CN114133008A

CN114133008A - Lateral flow multistage circulating encryption water purifying device

Info

Publication number: CN114133008A
Application number: CN202111436022.9A
Authority: CN
Inventors: 张崭华; 张恒
Original assignee: Beijing Proviridia Technology Co Ltd
Current assignee: Beijing Proviridia Technology Co Ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-03-04
Anticipated expiration: 2041-11-29
Also published as: CN114133008B

Abstract

A lateral flow multistage circulation encryption water purifying device belongs to the technical field of water treatment equipment. Including mixing the reaction zone, the low reaches in mixing the reaction zone are equipped with the filtration reaction zone, and the filtration reaction zone includes the filter material filling area to and be located the first storage storehouse of one side of the income water end in filter material filling area, first flow space sets up the corresponding position in the income water end in filter material filling area, and is located the low reaches in mixing the reaction zone and the upper reaches in filtration reaction zone. The first storage bin is arranged for containing sludge and impurities flushed from the filter material filling area by the water body in the first flowing space, and the water body backflow channel is arranged for enabling the sludge and the impurities in the first storage bin to flow back to the mixing reaction area, so that the sludge and the impurities are prevented from falling down and being accumulated again to block the filter material filling area, internal circulation in the first storage bin is avoided, the water body flowing in the first flowing space is further influenced, and the filtering effect and the flushing effect are reduced.

Description

Lateral flow multistage circulating encryption water purifying device

Technical Field

The invention relates to the technical field of water treatment equipment, in particular to a lateral flow multistage circulation encryption water purification device.

Background

The water treatment refers to physical, biological and chemical measures adopted to enable the water quality to reach certain use standards, and medicaments are usually added in the treatment process for adjusting pH, coagulating and flocculating, and then filtering is carried out to remove impurities in the water.

The existing water treatment equipment adopts an upward flow or a downward flow in a filtering mode, namely, a filter material is arranged at the upstream position of a water outlet of the equipment, so that sewage is discharged from the water outlet after passing through the filter material. According to the difference of the arrangement positions of the water outlets, in the ascending flow water treatment equipment, the filter material is positioned at the top of the equipment, and the sewage is stressed to ascend and flows towards the filter material; in a descending running water treatment device, a filter material is positioned at the bottom of the device, and sewage is forced to descend and flows towards the filter material.

These two kinds of modes all set up the filter material on the flow direction of sewage, through interception, the absorption of filter material in order to get rid of the suspended solid of aquatic, but because the suspended solid in the sewage all piles up or adsorb on the filter material, consequently will produce the phenomenon that the filter material blockked up after the use of short time, and then make the filter effect of filter material reduce.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect that the filtering effect of the filtering material is reduced after the filtering material is used for a short time because the filtering material is arranged in the flowing direction of sewage in the water treatment equipment in the prior art, thereby providing the lateral flow multistage circulation encryption water purification device.

The invention provides the following technical scheme:

purifier is encrypted in multistage circulation of lateral flow includes:

a main body provided with a water inlet part and a water outlet part;

the mixed reaction zone is positioned in the main body, and the water inlet end of the mixed reaction zone is connected with the water inlet part;

a filtration reaction zone disposed downstream of the water outlet of the mixing reaction zone, the filtration reaction zone comprising:

a filter material filling area; the first storage bin is positioned on one side of the water inlet end of the filter material filling area, and the opening of the first storage bin faces the water inlet end of the filter material filling area;

the water body backflow channel is communicated with the first storage bin and the mixing reaction area and is used for enabling the water body in the first storage bin to flow back to the mixing reaction area;

the filter material filling area is arranged in the filter reaction area, the first flow space is arranged at a position, corresponding to the water inlet end of the filter material filling area, in the filter reaction area, an end surface water inlet communicated with the first flow space is formed in the side wall of the filter reaction area, and water flows into the first flow space through the end surface water inlet.

Optionally, the mixing reaction zone comprises:

and a second mixing part communicated with the water inlet part.

Optionally, the mixed reaction zone further comprises:

a second nozzle communicated with the water inlet part, wherein at least one part of the inner diameter of the second nozzle is reduced along the flowing direction of the water body;

the second mixing section is located downstream of the second nozzle;

the water body backflow channel comprises:

and the first water body backflow opening is arranged on the cavity wall of the second mixing part so as to communicate the second mixing part with the first storage bin.

Optionally, the water body backflow channel further comprises:

and the first water body return pipe is communicated with the first water body return opening and is positioned in the first storage bin and/or the second mixing part.

Optionally, the first water return pipe is located in the first storage bin and is arranged obliquely in a direction away from the first flow space.

Optionally, the mixed reaction zone further comprises:

a third mixing section in communication with the second mixing section and downstream of the second mixing section;

the second mixing section has a reduced inner diameter along at least a portion of the direction of flow of the body of water.

Optionally, the mixed reaction zone further comprises:

and the ascending guide pipe is arranged in the third mixing part, a mixing space is formed between the ascending guide pipe and the third mixing part, the water inlet end of the ascending guide pipe is arranged corresponding to the water outlet end of the second mixing part, and a second opening is arranged at one end of the ascending guide pipe corresponding to the second mixing part.

Optionally, a fourth stopper is disposed at an end of the ascending guide pipe close to the second mixing portion, and an inner diameter of the fourth stopper is larger than an inner diameter of the second mixing portion.

Optionally, the third mixing section comprises:

and the descending guide pipe is arranged between the second mixing part and the fourth stopper, the descending guide pipe and the fourth stopper form a second water passing channel, the descending guide pipe and the second mixing part form a third water passing channel, and the third water passing channel is communicated with the first flow space.

Optionally, the water body return channel comprises:

and the second water body return pipe is communicated with the first storage bin and the third mixing part, and the outlet end of the second water body return pipe faces the water outlet end of the second mixing part.

Optionally, the outlet end of the second water return pipe is located in a second water passing channel in the third mixing portion.

Optionally, the first storage bin is provided with a backwash drain for communicating with an external space of the main body.

Optionally, the water body return channel comprises:

and the third water body return pipe is communicated with the backwashing drainage part and the ascending guide pipe.

Optionally, the outlet end of the third body of water return tube is disposed towards the second opening.

Optionally, the outlet end of the third water body return pipe is arranged on a fourth stopper at the end of the ascending guide pipe.

Optionally, a filter material baffle is arranged in the first storage bin and is located at an inlet of the backwashing drainage part.

Optionally, the third mixing section comprises:

and the partition plate is arranged in the main body, the partition plate divides the inner space of the main body into the mixing space and a second flowing space, the second flowing space is communicated with the first flowing space, and the mixing space is communicated with the second flowing space through the first water passing channel.

Optionally, the main body is further provided with:

the first auxiliary partition plate is positioned on one side of the partition plate facing the mixing space, a fourth water channel is formed between the first auxiliary partition plate and the partition plate, an inlet of the fourth water channel is formed between the first auxiliary partition plate and the second mixing part, and an outlet of the fourth water channel is formed between the partition plate and the main body;

the first water passage includes: the fourth water channel.

Optionally, the main body is further provided with:

the second auxiliary partition plate is positioned on one side, facing the second flow space, of the partition plate, a fifth water passing channel is formed between the second auxiliary partition plate and the partition plate, the fifth water passing channel is communicated with the fourth water passing channel, and an outlet of the fifth water passing channel is formed between the second auxiliary partition plate and the main body;

the first water passage further comprises: the fifth water passing channel.

Optionally, the top end of the baffle plate is inclined away from the second mixing part along the height direction; or; the top end of the baffle plate and the top end of the first auxiliary baffle plate are inclined away from the second mixing part; or; the top ends of the partition plates, the first auxiliary partition plate and the second auxiliary partition plate are inclined away from the second mixing part.

The technical scheme of the invention has the following advantages:

1. the invention provides a lateral flow multistage circulation encryption water purification device, which comprises a main body, a water inlet part, a water outlet part and a water outlet part, wherein the main body is provided with the water inlet part and the water outlet part; the mixed reaction zone is positioned in the main body, and the water inlet end of the mixed reaction zone is connected with the water inlet part; a filtration reaction zone disposed downstream of the water outlet of the mixing reaction zone, the filtration reaction zone comprising: a filter material filling area; the first storage bin is positioned on one side of the water inlet end of the filter material filling area, and the opening of the first storage bin faces the water inlet end of the filter material filling area; the water body backflow channel is communicated with the first storage bin and the mixing reaction area and is used for enabling the water body in the first storage bin to flow back to the mixing reaction area; the filter material filling area is arranged in the filter reaction area, the first flow space is arranged at a position, corresponding to the water inlet end of the filter material filling area, in the filter reaction area, an end surface water inlet communicated with the first flow space is formed in the side wall of the filter reaction area, and water flows into the first flow space through the end surface water inlet.

The invention arranges the mixing reaction area to carry out mixing and coagulation reaction of sewage and medicament on the water body which is led into the main body from the water inlet part, the water outlet of the mixing reaction area flows into the first flow space from the end surface water inlet, the water body can enter the first flow space from one side of the end surface of the water inlet end by the arrangement mode, the flow direction of the water body of the first flow space is parallel or approximately parallel to the end surface of the water inlet end of the filter material filling area, the water body permeates into the filter material filling area for filtering in the flow process, simultaneously, the water flow in the first flow space can play a scouring role on the filter material filling area, the sludge and impurities which are accumulated or attached on the surface of the filter material filling area can be washed away, so as to prevent the sludge and the impurities from accumulating and blocking the filter material filling area, influence the filtering effect of the filter material filling area, and avoid the scoured sludge and impurities from falling to block the filter material filling area again, the invention is provided with the first storage bin with an opening facing to the water inlet end of the filter material filling area to contain washed sludge and impurities, and is also provided with the water body backflow channel to communicate the first storage bin and the mixing reaction area, so that the sludge and the impurities in the first storage bin flow back to the mixing reaction area through the water body backflow channel, thereby preventing the sludge and the impurities in the first storage bin from falling down and being re-accumulated to block the filter material filling area, and simultaneously, the water body backflow channel can also prevent the water body in the first storage bin from generating internal circulation under the driving of water flow in the first flowing space, further causing the flowing of the internal circulation to influence the flowing of the water body in the first flowing space, influencing the full contact between the water body in the first flowing space and the filter material filling area, further reducing the filtering effect and the washing effect, compared with the prior art that the filter material is arranged in the flowing direction of the water body, the filter material filling area is provided with a first storage bin and a water body backflow channel, and the first storage bin is connected with the water body backflow channel.

In addition, because the washed sludge and impurities have the functions of adsorption and net capture, the part of sludge and impurities can flow back to the mixed reaction area to participate in the reaction process in the mixed reaction area again, raw water colloid can be effectively removed, the purification effect is improved, the dosage can be reduced, and meanwhile, in the reaction process, the medicament remained in the sludge and the impurities can fully react with sewage, so that the remained medicament can be further utilized, the purification effect can be improved, and the dosage can be reduced.

2. The invention provides a lateral flow multistage circulation encryption water purification device, wherein the mixing reaction zone further comprises a second spray pipe which is communicated with the water inlet part, and at least one part of the inner diameter of the second spray pipe is reduced along the flowing direction of a water body; the second mixing section is located downstream of the second nozzle; the water body backflow channel comprises: and the first water body backflow opening is arranged on the cavity wall of the second mixing part so as to communicate the second mixing part with the first storage bin.

The water body backflow channel comprises a first water body backflow opening, the first water body backflow opening is arranged on the wall of the second mixing part, so as to communicate the second mixing part with the first storage bin, a second spray pipe is arranged at the upstream of the second mixing part, because at least one part of the inner diameter of the second spray pipe is reduced, the water can generate instantaneous flow velocity increase at the position, according to Bernoulli principle, the water pressure at the outlet of the second spray pipe is relatively low, the water in the first storage bin flows back to the second mixing part through the first water backflow opening under the action of pressure, so that the sludge and the impurities in the first storage bin flow back to the mixing reaction area through the first water body backflow opening, thereby avoiding the sludge and the impurities in the first storage bin from falling down to be piled up again to block the filter material filling area, and avoiding the internal circulation in the first storage bin from influencing the first flow space.

3. The lateral flow multistage circulation encryption water purification device provided by the invention further comprises a first water body backflow pipe, wherein the first water body backflow pipe is communicated with the first water body backflow opening and is positioned in the first storage bin and/or the second mixing part.

The invention arranges the first water body reflux pipe to be communicated with the first water body reflux opening, and the position of the water body entering the water body reflux channel and/or the position of the water body discharge reflux channel can be changed by arranging the first water body reflux pipe in the first storage bin and/or the second mixing part compared with the arrangement of only the first water body reflux opening, namely, the position of the water body entering the water body reflux channel is moved into the first storage bin from the first water body reflux opening, thereby avoiding the influence of the pressure action of driving the water body entering the water body reflux channel on the water flow in the first flow space and further influencing the filtering effect, and moving the position of the water body discharge reflux channel out of the water body from the first water body reflux opening into the second mixing part, so that the water body in the first storage bin can be better influenced by the low pressure at the outlet of the second spray pipe, so that the sludge and impurities can better enter the water body backflow channel and then flow back to the second mixing part.

4. According to the lateral flow multistage circulation encryption water purification device provided by the invention, the first water body return pipe is positioned in the first storage bin and is obliquely arranged along the direction far away from the first flow space.

The first water body return pipe is positioned in the first storage bin and is obliquely arranged along the direction far away from the first flow space, so that the situation that the water body in the first flow space directly enters the first water body return pipe under the action of low pressure generated by the second spray pipe transmitted by the first water body return pipe in the flow process and then flows back to the second mixing part to cause that the water body in the first flow space is not fully contacted with the filter material filling area and further cause that the water body in the first flow space is not subjected to perfect filtering action is avoided, meanwhile, the scouring action of the water body in the first flow space on the filter material filling area is reduced, and the filtering effect and the sewage treatment effect are reduced.

5. Optionally, the mixing reaction zone further comprises a third mixing part, which is communicated with the second mixing part and is located at the downstream of the second mixing part; the second mixing section has a reduced inner diameter along at least a portion of the direction of flow of the body of water.

According to the invention, the third mixing part is arranged to further mix and react the effluent of the second mixing part, and at least one part of the inner diameter of the second mixing part is reduced, so that the instantaneous flow velocity of water at the position is increased.

6. The mixing reaction zone also comprises an ascending guide pipe which is arranged in the third mixing part, a mixing space is formed between the ascending guide pipe and the third mixing part, the water inlet end of the ascending guide pipe is arranged corresponding to the water outlet end of the second mixing part, and the end of the ascending guide pipe corresponding to the second mixing part is provided with a second opening.

According to the invention, a mixing space for water body backflow is formed between the upstream guide pipe and the third mixing part, and the mixing space is communicated with the interior of the upstream guide pipe to form circulation by arranging the second opening at one end of the upstream guide pipe corresponding to the second mixing part.

7. According to the lateral flow multistage circulation encryption water purification device provided by the invention, a fourth stopper is arranged at one end of the ascending guide pipe close to the second mixing part, and the inner diameter of the fourth stopper is larger than that of the second mixing part.

According to the invention, the fourth stopper is arranged to play a role in shielding, so that the water body in the mixing space and the sludge or floc in the water body are prevented from directly entering the first flow space and cannot enter the ascending guide pipe through the second opening for circulation, and the fourth stopper is arranged to facilitate the circulation of the water body in the mixing space and the sludge or floc in the water body, so that the purification effect is improved.

8. The third mixing part comprises a descending guide pipe which is arranged between the second mixing part and the fourth blocking part, the descending guide pipe and the fourth blocking part form a second water passing channel, the descending guide pipe and the second mixing part form a third water passing channel, and the third water passing channel is communicated with the first flowing space.

The descending guide pipe is arranged between the second mixing part and the fourth blocking part to play a screening role, sludge or flocs in the mixing space move upwards under the action of pressure formed by low pressure at the second mixing part and then enter the second water passing channel, and the sludge or flocs with smaller volume and lighter mass continuously move upwards under the suction action due to different mass of the sludge or flocs and then enter the ascending guide pipe through the second opening to circulate, while the sludge or flocs with larger volume and heavier mass enter the third water passing channel under the action of gravity of the sludge or flocs and then enter the first flowing space to settle.

9. The lateral flow multistage circulation encryption water purification device provided by the invention is characterized in that the water body backflow channel comprises a second water body backflow pipe, the second water body backflow pipe is communicated with the first storage bin and the third mixing part, and the outlet end of the second water body backflow pipe is arranged towards the water outlet end of the second mixing part.

The water body backflow channel comprises a second water body backflow pipe, wherein the outlet end of the second water body backflow pipe is arranged towards the water outlet end of the second mixing part, so that the pressure effect generated by low pressure at the outlet of the second mixing part can act on the second water body backflow pipe, and then the water body in the first storage bin is driven to flow back to the mixing reaction area through the second water body backflow pipe, so that the phenomenon that sludge and impurities in the first storage bin fall down to be accumulated again to block the filter material filling area is avoided, and the phenomenon that the internal circulation of the first flow space is influenced in the first storage bin is avoided.

10. According to the lateral flow multistage circulation encryption water purification device provided by the invention, the outlet end of the second water body return pipe is positioned in the second water passing channel in the third mixing part.

The outlet end of the second water body return pipe is positioned in the second water passing channel, and the outlet flow direction of the second water body return pipe is the same as the flow direction of the water body in the second water passing channel, so that the phenomenon that the outlet water of the second water body return pipe disturbs the flow of the water body in the mixing reaction area is avoided, and meanwhile, the phenomenon that the water body in the mixing reaction area, further the water body in the second water body return pipe, further the water body flows into the first storage bin is avoided, and the second water body return pipe cannot generate a return effect.

11. The invention provides a lateral flow multistage circulation encryption water purification device.A first storage bin is provided with a backwashing drainage part used for communicating the external space of a main body.

The backwashing water discharging part is arranged, so that when the water quantity of the backwashing filter material filling area is too large, backwashing sewage discharged from the water inlet end of the filter material filling area can be directly discharged out of the main body through the backwashing water discharging part, the backwashing sewage is prevented from entering the mixed reaction area to influence the later use, meanwhile, sludge impurities in the backwashing sewage are prevented from being accumulated in the first storage bin, and further fall down to be accumulated again to block the filter material filling area, and the backwashing effect is reduced.

12. According to the lateral flow multistage circulation encryption water purification device provided by the invention, the water body backflow channel comprises a third water body backflow pipe, and the third water body backflow pipe is communicated with the backwashing drainage part and the ascending guide pipe.

The third water body backflow pipe is arranged to be communicated with the backwashing drainage part and the ascending guide pipe, so that the first storage bin and the mixing reaction area are communicated, and the water body in the first storage bin flows back to the ascending guide pipe under the action of low pressure at the outlet of the second mixing part or the action of low pressure generated by high-flow-rate flowing of water discharged from the second mixing part in the ascending guide pipe, so that the phenomenon that sludge and impurities in the first storage bin fall down to be accumulated again to block a filter material filling area is avoided, and the phenomenon that internal circulation influencing a first flowing space is generated in the first storage bin is avoided.

13. According to the lateral flow multistage circulation encryption water purification device provided by the invention, the outlet end of the third water body return pipe is arranged towards the second opening.

The outlet end of the third water body return pipe is arranged towards the second opening, so that the low pressure effect at the outlet of the second mixing part can better act on the third water body return pipe, and the water body in the first storage bin flows back to the ascending guide pipe under the low pressure effect.

14. The invention provides a lateral flow multistage circulation encryption water purification device, wherein the outlet end of a third water body return pipe is arranged on a fourth stopper at the end part of an ascending guide pipe.

The outlet end of the third water body return pipe is arranged on the fourth stopper, so that the low pressure effect at the outlet of the second mixing part can better act on the third water body return pipe, and the water body in the first storage bin flows back to the ascending guide pipe under the low pressure effect.

15. According to the lateral flow multistage circulation encryption water purification device provided by the invention, the first storage bin is internally provided with the filter material baffle which is positioned at the inlet of the backwashing water discharge part.

According to the invention, the filter material baffle is arranged at the inlet of the backwashing drainage part, when the filter material filling area is backwashed, the filter material can expand and then partially move into the first storage bin, and at the moment, the filter material baffle plays a role in blocking the filter material, so that the filter material can be prevented from entering the backwashing drainage part and then being discharged out of the main body, and the quantity of the filter material in the backwashing filter material filling area is reduced, and further the filtering effect is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of example 1 of the present invention;

fig. 2 is a schematic structural view of the first stopper and the mud-water separation flap provided in embodiment 1 of the present invention;

fig. 3 is a first schematic structural diagram of a first stopper and a third stopper provided in embodiment 1 of the present invention;

fig. 4 is a second schematic structural diagram of the first stopper and the third stopper provided in embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a first mixing section provided in embodiment 1 of the present invention;

fig. 6 is a partial structural schematic view of a third mixing section provided in embodiment 1 of the present invention;

fig. 7 is a first schematic structural view of the water outlet end of the ascending guide pipe provided in embodiment 1 of the present invention;

fig. 8 is a second schematic structural view of the water outlet end of the ascending guide pipe provided in embodiment 1 of the present invention;

FIG. 9 is a schematic structural view of example 2 of the present invention;

FIG. 10 is a top view of a backwash drain section provided in example 2 of the invention;

FIG. 11 is a front view of a backwash drain provided in example 2 of the invention;

FIG. 12 is a schematic structural view of example 3 of the present invention;

FIG. 13 is a partial structural view of embodiment 4 of the present invention;

FIG. 14 is a schematic structural view of example 5 of the present invention;

FIG. 15 is a partial structural view of example 6 of the present invention;

FIG. 16 is a partial structural view of example 7 of the present invention;

FIG. 17 is a schematic structural view of example 8 of the present invention;

FIG. 18 is a partial structural view of example 9 of the present invention;

fig. 19 is a partial structural view of embodiment 10 of the present invention.

Description of reference numerals:

1. a water inlet part; 2. a first nozzle; 3. a first mixing section; 4. a second nozzle; 5. a second mixing section; 6. an ascending guide pipe; 7. folding the plate; 8. a mixing space; 9. a fourth stopper; 10. a first stopper; 11. a mud-water separation plate; 12. a filter material filling area; 13. a first storage bin; 14. a second storage bin; 15. a water outlet connecting pipe; 16. a water outlet storage area; 17. a water outlet part; 18. sealing the end; 19. an exhaust valve; 20. a sludge settling zone; 21. a sludge discharge port; 22. a backwashing water discharge part; 23. a main body; 24. a second flow space; 25. a second stopper; 26. a central tube; 27. a shunt cylinder; 28. a turbulent cone; 29. a first water flow passage; 30. a second water flow passage; 31. a third water flow channel; 32. a first guide plate; 33. a second guide plate; 34. a sludge return pipe; 35. a mud-water separation folded plate; 36. a third stopper; 37. a second opening; 38. a partition plate; 39. a first water passage; 40. a down guide tube; 41. a first opening; 42. a first flow space; 43. a water inlet on the end surface; 44. a branch pipe; 45. a header pipe; 46. a collection pipe; 47. a third water body return pipe; 48. a first water body return opening; 49. a first water body return pipe; 50. a second water body return pipe; 51. a filter material baffle; 52. a water inlet emptying pipe; 53. a sludge discharge pipe; 54. a water outlet emptying pipe; 55. a first auxiliary partition plate; 56. a second auxiliary partition plate; 57. an exhaust pipe; 58. a third guide plate; 59. and a fourth guide plate.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second", "third", "fourth" and "fifth" are used for distinction only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a lateral flow multistage circulation encryption water purification device, as shown in fig. 1-8, which includes a main body 23, which is a sealed tank body, the structure of the tank body can be in the shape of rectangle, polygon, circle, etc. in cross section, the present embodiment adopts a circle to avoid the side wall of the tank body from generating dead angles; in order to seal the body 23, a sealing head 18 is provided at a manhole of the body 23; the main body 23 is provided with a water inlet part 1 and a water outlet part 17; in this embodiment, the material of the main body 23 is not limited, and a steel structure, a concrete structure, a polymer material, or the like may be used.

The introduction of the sewage can be realized through the water inlet part 1. In an embodiment in which the water inlet part 1 is used to introduce the mixture of the sewage and the chemical agent, which has been mixed, into the main body 23, it is not necessary to separately provide a chemical feeding pipe on the water inlet part 1.

In a preferred embodiment, the water inlet part 1 is of a tubular structure, and a dosing pipe communicated with the water inlet part 1 is arranged on the side wall of the water inlet part 1, wherein the water inlet part 1 is used for introducing sewage, and the dosing pipe is used for introducing a medicament, so that the amount of the medicament added can be controlled through the dosing pipe.

The structure of the dosing pipe is not limited in the embodiment, and preferably, the dosing pipe is perpendicular to the water inlet part 1, and the outlet of the dosing pipe is located on the axis of the water inlet part 1, so that when sewage flows through the dosing pipe, the sewage is sheared by the dosing pipe to form turbulent flow in the water body, and the sewage and the medicament are premixed.

The first spray pipe 2 is connected with the water inlet part 1, at least one part of the inner diameter of the first spray pipe 2 is reduced along the flowing direction of the water body, so that the instantaneous flow velocity of the water body at the position is increased, the flow velocity of the water body is further improved, and according to the Bernoulli principle, a lower water pressure is generated at the outlet of the first spray pipe 2, so that an additional auxiliary power device is not needed to be arranged in the embodiment, the part with the smaller inner diameter can be positioned at the middle part or the water outlet end of the first spray pipe 2, the embodiment is arranged at the water outlet end, the transition part with the changed inner diameter is arranged in a conical shape for reducing the flowing resistance of the water body, the cross section of the first spray pipe 2 can be in the shapes of a rectangle, a polygon, a circle and the like, and the embodiment adopts a circle for avoiding dead corners of the pipe wall of the first spray pipe 2.

And the mixed reaction zone is positioned in the main body 23, the water inlet end of the mixed reaction zone is connected with the first spray pipe 2, and the mixed reaction zone is used for carrying out mixed reaction on water sprayed out of the first spray pipe 2 so as to realize water purification treatment.

The structure of the mixing reaction zone is not particularly limited in this embodiment, and preferably, the mixing reaction zone includes a first mixing part 3 for coagulation reaction of the sewage therein, i.e. aggregation of suspended matters in the water body, thereby playing a role of purifying water, and at this time, the dosing pipe of the water inlet part 1 is used for introducing a coagulant into the main body 23; as shown in fig. 5, the inlet end of the first mixing part 3 is connected to the first nozzle 2, the outlet end is connected to the second nozzle 4, the first mixing part 3 is a tubular structure disposed in the main body 23, preferably, the first mixing part 3 is mounted on the first nozzle 2, in order to reduce the resistance of the water flowing in the first mixing part 3, the two ends of the first mixing part 3 are contracted to form a cone towards the corresponding first nozzle 2 or the second nozzle 4, the tubular structure may be rectangular, polygonal, circular, etc. in cross section, in this embodiment, circular is used to avoid the dead corner of the tubular wall of the first mixing part 3; a flow dividing cylinder 27 is arranged in the first mixing part 3, a water inlet end of the flow dividing cylinder 27 is arranged corresponding to a water outlet end of the first spray pipe 2, the inner diameter of the flow dividing cylinder 27 is larger than that of the water outlet end of the first spray pipe 2, the flow dividing cylinder 27 and the first mixing part 3 form a third water flow channel 31, in order to enable the space inside the flow dividing cylinder 27 to be communicated with the third water flow channel 31 so as to increase the flowing distance of water, a gap is arranged at one end of the flow dividing cylinder 27 corresponding to the first spray pipe 2, so that the water sprayed out of the first spray pipe 2 enters the flow dividing cylinder 27, one part of the water is discharged from the second spray pipe 4, the other part of the water impacts the wall of the first mixing part 3 near the second spray pipe 4 to enter the third water flow channel 31, then, and returns to the flow dividing cylinder 27 from the gap under the action of low pressure generated by the first spray pipe 2 to form circulation, and the movement track of the water in the first mixing part 3 is increased through the circulation, is beneficial to the mixing and reaction of the sewage and the coagulant.

In order to further increase the movement track of the water body in the first mixing portion 3 and improve the coagulation reaction effect of the sewage and the chemical, on the basis of the above-mentioned contents, the turbulence cone 28 is added, the cone shape of the turbulence cone is adapted to the diversion cylinder 27, in this embodiment, the turbulence cone is a cone structure, the turbulence cone 28 is disposed at one end of the diversion cylinder 27 far away from the first spray pipe 2, the width of the turbulence cone 28 is gradually increased along the flow direction of the water flow, the turbulence cone 28 guides the water body in the diversion cylinder 27, so that the water body is guided by the cone with the gradually increased width after impacting the turbulence cone 28, flows around and impacts the inner wall of the diversion cylinder 27, thereby the water body forms a backflow in the diversion cylinder 27, a part of the backflow is rotated back into the diversion cylinder 27 again due to the low pressure at the first spray pipe 2 to form a circulation, the other part of the backflow enters the third water flow channel 31 through the gap disposed at one end of the diversion cylinder 27 corresponding to the first spray pipe 2, and the water body is turned back to a conical space formed by the turbulence cone 28, forms turbulence mixing in the space, further promotes the mixing and reaction of the sewage and the coagulant, and is finally discharged by the second spray pipe 4, and simultaneously generates vortex mixing in an included angle space formed by the shunt cylinder 27 and the turbulence cone 28, so as to promote the mixing and reaction of the sewage and the coagulant.

The present embodiment does not limit the specific structure of the turbulence cone 28, as long as the tendency of gradually increasing the width of the turbulence cone 28 in the flow direction of the water current can be achieved, which may be a regular shape or an irregular shape. As a preferred embodiment, the cross-sectional shape of the turbulence cone 28 itself is "V" shaped.

In order to avoid resistance generated by collision between the water ejected from the first nozzle 2 and the water flowing back after hitting the turbulence cone 28 in the diversion cylinder 27 based on the arrangement of the turbulence cone 28, as shown in fig. 1 and 5, a central tube 26 is added, which is arranged in the diversion cylinder 27, and the central tube 26 is configured in a shape adapted to the diversion cylinder 27, the inner diameter of the central tube 26 is larger than the inner diameter of the first nozzle 2, and a second water channel 30 is formed between the central tube 26 and the diversion cylinder 27, the inner space of the central tube 26 itself forms the first water channel 29, so that after the water in the first water channel 29 hits the turbulence cone 28, the generated backflow enters the second water channel 30, a part of the backflow is turned back into the first water channel 29 again due to the low pressure at the first nozzle 2 to form circulation, and the other part of the backflow enters the third water channel 31 through a gap arranged at one end of the diversion cylinder 27 corresponding to the first nozzle 2, therefore, the flow directions of the second flow channel 30 and the third flow channel 31 are opposite, and the two flows are separated by the central pipe, so that the two flows are prevented from colliding in the flowing process to generate resistance, and the loss of water power caused by the resistance is avoided.

On the basis of the turbulence cone 28, in order to reduce the resistance of the water flowing in the first mixing portion 3, a first guide plate 32 is disposed at one end of the turbulence cone 28 far from the central tube 26, and the first guide plate 32 extends towards the central direction of the turbulence cone 28, the first guide plate 32 may be disposed as a plurality of plates uniformly arranged along the circumference of the end of the turbulence cone 28, but for optimal guiding effect, the first guide plate 32 of the present embodiment adopts an integral plate with a circular ring structure, so that the water flowing out of the third water flow channel 31 is guided into the conical space, in order to further promote the mixing of the sewage and the medicament, one end of the second spray pipe 4 is extended into the first mixing portion 3 and is positioned in front of the moving path of the water in the third water flow channel 31, i.e. the first guide plate 32 extends towards the second spray pipe 4, so that the water flowing out of the third water flow channel 31 is guided by the first guide plate 32, and collides with the outer wall of the second nozzle 4 to form a vortex which promotes the mixing and reaction of the sewage and the coagulant.

Specifically, the first guide plate 32 may be integrally formed on the shunt cylinder 27, or may be connected to the shunt cylinder 27 by post-welding.

On the basis of the turbulent cone 28, in order to reduce the resistance of the water flowing in the first mixing portion 3, a second guide plate 33 may be further disposed at one end of the splitter 27 close to the first nozzle 2, the second guide plate 33 extends toward the central tube 26 in the direction toward the first nozzle 2, the second guide plate 33 may be disposed as a plurality of plates uniformly arranged along the circumference of the splitter 27, but in order to optimize the guiding function, the second guide plate 33 of the present embodiment is an integral plate having a circular ring structure, so that the water flowing back in the splitter 27 or the water flowing out from the second water flow channel 30 is guided to enter the third water flow channel 31, and in order to further promote the mixing and reaction of the sewage and the coagulant, the water outlet end of the first nozzle 2 is disposed at the junction between the second water flow channel 30 and the third water flow channel 31, that is, that the second guide plate 33 extends toward the first nozzle 2, so that the water flowing back in the splitter 27 or the water flowing out from the second water flow channel 30 is guided to the first nozzle 2 The outer wall of the pipe 2 is impacted to form a vortex which promotes the mixing and reaction of the sewage and the coagulant.

Similarly, the second guide plate 33 may be integrally formed on the splitter cylinder 27, or may be later welded to the splitter cylinder 27.

In this embodiment, the specific structure of the second nozzle 4 is not limited, and it may be a straight tube structure, in order to further increase the flow velocity of the water body, so that the flow velocity of the water body meets the requirement, and reduce the energy consumption of this embodiment, as shown in fig. 1 and 5, at least a part of the inner diameter of the second nozzle 4 is reduced along the flow direction of the water body, and the part with the smaller inner diameter may be located at the middle part or the water outlet end of the second nozzle 4, in this embodiment, the second nozzle is arranged at the water outlet end, and the transition part with the changed inner diameter is arranged in a tapered shape in order to reduce the resistance to the flow of the water body, and the cross section of the second nozzle 4 may be rectangular, polygonal, circular, and the present embodiment is adapted to the structure of the first mixing portion 3, and is used for avoiding the dead angle generated on the tube wall of the second nozzle 4.

On the basis of setting up first mixing portion 3, for the water purification effect of further reinforcing mixed reaction zone, it is preferred, mixed reaction zone still includes second mixing portion 5, it is linked together with second spray tube 4, and second mixing portion 5 is provided with the pencil that adds, this pencil that adds is used for letting in the flocculating agent to second mixing portion 5, the messenger mixes with the flocculating agent by 4 spun water after the coagulation reaction of second spray tube 4, make water and flocculating agent completion premix, promote subsequent flocculation, promote water purification efficiency.

The structure of the second mixing portion 5 is not specifically limited in this embodiment, and it may be a straight tubular structure, so as to further increase the flow velocity of the water body, so that the flow velocity of the water body meets the requirement, and reduce the energy consumption of this embodiment, as shown in fig. 1 and fig. 6, the second mixing portion 5 is along the flow direction of the water body, at least one part of the inner diameter of the water mixing device is reduced, so that the instantaneous flow velocity of the water body is increased at the position, the flow velocity of the water body is further improved, low pressure is generated at the outlet of the second mixing part 5 due to the Bernoulli principle, the part with the smaller inner diameter can be positioned in the middle or at the water outlet end of the second mixing part 5, in this embodiment at the water outlet end, the transition part with the changed inner diameter is arranged in a conical shape for reducing the resistance of the water body flow, the section of the second mixing part 5 can be in a rectangular shape, a polygonal shape, a circular shape and the like, and the embodiment adopts a circular shape for avoiding dead angles generated on the pipe wall of the second mixing part 5.

On the basis of the second mixing part 5, in order to further enhance the water purification effect of the mixing reaction zone, preferably, the mixing reaction zone further comprises a third mixing part, a mixing space 8 is arranged in the third mixing part, and the mixing space 8 is communicated with a second flow space 24; an ascending guide pipe 6 is arranged in the third mixing part, a mixing space 8 is formed by the ascending guide pipe 6 and the third mixing part, the water inlet end of the ascending guide pipe 6 is arranged corresponding to the water outlet end of the second mixing part 5, a second opening 37 is arranged at one end of the ascending guide pipe 6 corresponding to the second mixing part 5, so that the water body sprayed by the second mixing part 5 enters the ascending guide pipe 6 and ascends in the ascending guide pipe 6 under the guide action of the ascending guide pipe 6, then the water body is sprayed out from the top end of the ascending guide pipe 6 and enters the mixing space 8, meanwhile, because the flow rate of the water body at the outlet of the second mixing part 5 is large, low pressure is formed at the outlet of the second mixing part 5 according to Bernoulli principle, the pressure action of the low pressure drives the water body in the mixing space 8 to return to the ascending guide pipe 6 through the second opening 37, so that the mixing space 8 is communicated with the interior of the ascending guide pipe 6 to form circulation, the movement track of the water body is longer, the sewage and the flocculating agent are fully mixed and reacted, the water body is vertically ascended and descended to flow due to the arrangement of the ascending guide pipe 6 and the second opening 37 at a microscopic angle, and the inorganic particles in the water body can be hydraulically scrubbed by the flow, so that the separation of organic and inorganic substances is effectively realized; in the third mixing portion, the colloid that takes off stability in the sewage forms the large granule floc, and make the further gathering of suspended solid in the aquatic form floc alum floc, simultaneously because mixing space 8 and the circulation of going upward stand pipe 6, make partial large granule floc in the mixing space 8 return the contact of intaking with third mixing portion in the stand pipe 6, its effect to the carrier of this part large granule floc this moment, can improve the formation speed of floc alum floc, promote the water purification efficiency of third mixing portion, the water purification effect of reinforcing mixed reaction zone.

In this embodiment, the structure of the third mixing portion is not specifically limited, and it may be a box body separately disposed in the main body 23, in order to fully utilize the space in the main body 23 and reduce the production difficulty of the device, preferably, as shown in fig. 1, a partition plate 38 is disposed in the main body 23, the partition plate 38 divides the internal space of the main body 23 into the mixing space 8 and the second flow space 24, that is, the third mixing portion of this embodiment is formed by the partition plate 38 and the wall of the main body 23 cavity above the partition plate 38, and the mixing space 8 and the second flow space 24 are communicated through a first water channel 39, so that the effluent of the third mixing portion, that is, the effluent of the mixing reaction region enters the second flow space 24, thereby preventing the water in the second flow space 24 from being disturbed by the circulating flow of the water in the mixing space 8, and further affecting the sedimentation process of the sludge in the second flow space 24.

In order to avoid forming a dead angle in the mixing space 8 and make the sludge or floc in the water body in the mixing space 8 accumulate at the dead angle position and cannot enter the second flow space 24, preferably, the partition plate 38 is obliquely arranged, and the top end of the partition plate 38 inclines away from the second mixing part 5 along the height direction, so that the sludge or floc can move towards the first water passing channel 39 under the guiding action of the partition plate 38, and the sludge or floc can enter the upstream guide pipe 6 from the second opening 27 to circulate under the pressure action formed by the low pressure of the second mixing part 5, and the purification effect is enhanced by utilizing the adsorption action of the sludge or floc.

In order to enhance the mixing reaction effect of the sewage and the flocculant, preferably, the ratio of the axial section area of the ascending guide pipe 6 to the axial section area of the mixing space 8 is (0.01-0.05), so that the water body with higher flow velocity in the ascending guide pipe 6 enters the mixing space 8 suddenly and smoothly, internal circulation hydraulic stirring at a microscopic angle is generated in the mixing space 8, the mixing contact between molecules is promoted, the mixing reaction effect of the sewage and the flocculant is enhanced, and the water purification efficiency is improved.

In this embodiment, the structure of the water outlet end of the ascending guide pipe 6 is not specifically limited, as shown in fig. 1, a top plate is disposed above the ascending guide pipe 6 in the main body 23, and the water outlet end of the ascending guide pipe 6 is disposed toward the top plate of the main body 23, so that the water outlet of the ascending guide pipe 6 collides with the top plate to generate turbulent stirring, and the mixing and reaction of the sewage and the flocculant are promoted.

In the present embodiment, the structure of the water outlet end of the upward guiding tube 6 is not specifically limited, and in a first preferred scheme, the water outlet end of the upward guiding tube 6 is in a diffusion shape along the flowing direction of the water body, so that the water body can enter the mixing space 8, and the water body can form a turbulent flow in the diffusion-shaped lower space, so as to promote the mixing of the sewage and the medicament; a second preferred scheme is as shown in fig. 7, a plurality of through holes are arranged on the pipe wall of the water outlet end of the upward guide pipe 6, and the through holes are located at the diffusion position, and the outlet water of the upward guide pipe 6 enters the mixing space 8 through the through holes, so that the outlet water of the upward guide pipe 6 is conveniently diffused in the mixing space 8, and compared with the mode that the outlet water of the upward guide pipe 6 collides with the top plate, the water body in the mixing space 8 can be more smooth, and the internal circulation hydraulic stirring is conveniently formed; in a third preferred scheme, the water outlet end of the upward guide pipe 6 is in a diffusion shape along the flowing direction of the water body, and extends for a certain distance along the axial direction of the upward guide pipe 6 after diffusion and diameter reduction so as to form a diffusion-shaped section and a wide-diameter section positioned at the downstream of the diffusion-shaped section, and a plurality of through holes arranged on the pipe wall of the water outlet end of the upward guide pipe 6 are positioned at the wide-diameter section; in a fourth preferred embodiment, as shown in fig. 8, the water outlet end of the ascending guide tube 6 comprises a diffusion-shaped section and a wide-diameter section located at the downstream of the diffusion-shaped section, both the diffusion-shaped section and the wide-diameter section are provided with through holes, wherein the through hole positioned at the diffusion section is circular, the through hole positioned at the wide-diameter section is strip-shaped extending along the axial direction of the ascending guide pipe 6, the water flowing out through the through holes with the two shapes has the difference of direction and flow velocity, thereby leading the water to form turbulent flow and promoting the mixing effect, meanwhile, the periphery of the water outlet end of the ascending guide pipe 6 is further provided with a folded plate 7, the folded plate 7 and the side wall of the ascending guide pipe 6 are arranged in an acute angle, preferably, the folded plate 7 is connected to the connecting position of the diffusion section and the wide-diameter section, the structure of the folded plate 7 is not specifically limited in the embodiment, and the folded plate can be a straight plate or a spiral plate body with a certain radian or angle.

In this embodiment, in order to stabilize the ascending guide pipe 6 inside the main body 23, a mounting bracket is provided inside the main body 23, and the ascending guide pipe 6 is provided on the mounting bracket, thereby stably suspending the ascending guide pipe 6 inside the main body 23.

Further, in order to prevent the water body in the mixing space 8 and the sludge or floc in the water body from directly entering the second flow space 24 through the first water passing channel 39 and being unable to enter the ascending guide pipe 6 through the second opening 37 for circulation, a fourth stopper 9 is disposed at one end of the ascending guide pipe 6 close to the second mixing part 5, an inner diameter of the fourth stopper 9 is larger than an inner diameter of the second mixing part 5, and simultaneously an inner diameter of the fourth stopper 9 is larger than an inner diameter of the ascending guide pipe 6, and a transition portion between the fourth stopper 9 and the ascending guide pipe 6 is tapered to prevent water body flow from being obstructed, the fourth stopper 9 of the present embodiment may be a pipe body integrated with the ascending guide pipe 6, or may be a pipe body separately welded on the ascending guide pipe 6.

Furthermore, a descending guide pipe 40 is arranged in the first water passing channel 39, the descending guide pipe 40 is positioned between the second mixing part 5 and the fourth blocking part 9, the descending guide pipe 40 and the fourth blocking part 9 form a second water passing channel, the descending guide pipe 40 and the second mixing part 5 form a third water passing channel, the bottom end of the partition plate 38 is connected with the descending guide pipe 40, firstly, the descending guide pipe 40 has a blocking effect, which can prevent sludge or floc in the mixing space 8 from directly entering the first water passing channel 39 and then entering the second flowing space 24, but can not enter the ascending guide pipe 6 through the second opening 37 for circulation, meanwhile, the descending guide pipe 40 also has a screening effect, the sludge or floc in the mixing space 8 moves upwards under the action of low pressure at the second mixing part 5 and then enters the second water passing channel, and due to different volumes of the sludge or floc, resulting in different masses, so that the sludge or flocs with smaller volume and lighter mass continue to move upwards under the suction effect and then enter the ascending guide pipe 6 through the second opening 37 for circulation, while the sludge or flocs with larger volume and heavier mass enter the third water passing channel under the action of its own gravity and then enter the second flow space 24 for sedimentation.

In this embodiment, the structure of the downward guide pipe 40 is not specifically limited, and it may be a straight-tube structure, and it is ensured that the third water passing channel has a certain width, so as to avoid the water body from flowing in the third water passing channel unsmoothly, preferably, the downward guide pipe 40 is configured in a shape adapted to the second mixing portion 5, so as to keep the width of the third water passing channel constant, and meanwhile, the position where the downward guide pipe 40 is connected to the partition plate 38 is configured in an inclined structure, so as to avoid forming a dead angle there.

In the embodiment, gas generated by collision of water bodies and reaction of sewage and a medicament in the mixed reaction area is discharged, and the exhaust valve 19 is arranged at the top of the main body 23, so that the gas accumulation is prevented from occupying the space of the mixed reaction area and influencing the treatment water volume of the equipment.

A filtering reaction zone disposed downstream of the water outlet of the mixing reaction zone, in this embodiment, to improve the space utilization rate of the main body 23 and reduce the occupied space of the main body 23, preferably, as shown in fig. 1, the filtering reaction zone is disposed to be sleeved on the first mixing portion 3 or the first mixing portion 3 and the second mixing portion 5; a filter material filling area 12 is arranged in the filtering reaction area and filled with filter materials to filter the water body, and the filter material filling area 12 is preferably sleeved on the first mixing part 3 in the embodiment; this embodiment is right the material of filter material does not do the restriction, and the filter material can adopt fixed, and filter material itself can not produce the inflation promptly, for example: filter bricks, filter screens, filter cloths, and the like; the filter material can also adopt an expansion type, namely, the filter material is expanded by itself during backwashing or expanded or displaced due to the driving and/or buoyancy action of backwashing water flow, such as: quartz sand, anthracite, activated carbon, magnetic materials and the like.

And the first flow space 42 is arranged at a position, corresponding to the water inlet end of the filter material filling area 12, in the filtering reaction area, an end surface water inlet 43 communicated with the first flow space 42 is arranged on the side wall of the filtering reaction area, and water flows into the first flow space 42 through the end surface water inlet 43. The above arrangement mode enables the water to flow in from one side of the first flow space 42, the flow direction of the water flowing into the first flow space 42 through the end surface water inlet 43 is parallel or approximately parallel to the end surface of the water inlet end of the filter material filling area 12, the outlet water of the mixing reaction area flows into the first flow space 42 from the end surface water inlet 43, because the flow direction of the water in the first flow space 42 is parallel or approximately parallel to the end surface of the water inlet end of the filter material filling area 12, the water permeates into the filter material filling area 12 during the flow process to be filtered, meanwhile, the water flow in the first flow space 42 can play a role of scouring on the filter material filling area 12, and can wash away the sludge and impurities accumulated or attached on the surface of the filter material filling area 12, thereby preventing the sludge and impurities from accumulating and blocking the filter material filling area 12 and affecting the filtering effect of the filter material filling area 12, in addition, because the flow direction of the water body in the first flow space 42 is parallel to the end face of the water inlet end of the filter material filling area 12, the depth of the sludge and impurities in the water body entering the filter material filling area 12 is shallow, so that the filter material filling area 12 is easier to clean; the first flow space 42 is in this embodiment arranged in a radial direction of the body 23, i.e. the body of water in the first flow space 42 flows in a radial direction of the body 23, i.e. radial flow.

Specifically, the water flowing in from the end water inlet 43 may be completely parallel to the water inlet end of the first flow space 42, or may form an acute angle with the water inlet end, and the included angle is not limited, and as a preferred embodiment, may be between 5 ° and 60 °.

Further, in order to avoid the sludge and impurities brought out by the scouring action from remaining in the filtering reaction area, so that the water in the first flow space 42 becomes more and more turbid, and the filtering burden of the filtering material filling area 12 is increased, as shown in fig. 1, the mixing reaction area is provided with a first opening 41 for communicating the first flow space 42, and the first opening 41 is positioned in the direction of the water flowing in the first flow space 42, so that the sludge and impurities brought out by the scouring action can be discharged out of the filtering reaction area along with the water, meanwhile, when the water flow rate in the first flow space 42 is large, that is, the water amount entering the first flow space 42 is too much, so that the water amount exceeds the filtering capacity of the filtering material filling area 12, the first opening 41 is arranged to enable the exceeded water amount to enter the mixing reaction area again, so as to avoid bringing filtering pressure to the filtering material filling area 12, and increase the speed of the water passing through the filling area 12, the sludge and impurities in the water body can go deep into the filter material filling area 12 and can not be taken away by the scouring action of the water body, so that the filtering effect of the filter material filling area 12 is reduced, and the filtering effect of the filter material filling area 12 can be ensured by arranging the first opening 41.

In this embodiment, the position of the first opening 41 is not specifically limited, as a preferred embodiment, as shown in fig. 1, the first opening 41 is disposed on the second mixing portion 5, so that the water body in the first flow space 42 and the sludge in the water body enter the second mixing portion 5 through the first opening 41, and the first opening 41 is disposed on the second mixing portion 5, on one hand, due to the pressure effect generated by the low pressure at the outlet of the second spray pipe 4, the water body in the first flow space 42 and the sludge in the water body can be promoted to enter the second mixing portion 5, that is, the discharge of the water body and the sludge in the water body is promoted, the filtering burden of the filtering material filling area 12 is reduced, on the other hand, the sludge in the water body entering the second mixing portion 5 from the first flow space 42 can be used as a carrier of a flocculation reaction, the efficiency of the flocculation reaction is promoted, and further the water purification efficiency is promoted.

Further, in order to realize backwashing of the filter material filling area 12, so that sludge and impurities attached or adsorbed to the filter material filling area 12 in the filtering process can be flushed out of the filter material filling area 12 by backwashed water flow, and the filter material filling area 12 has a better filtering effect again, as shown in fig. 1, a second storage bin 14 is arranged at the outlet end of the filter material filling area 12, the cross section of the second storage bin 14 is larger than or equal to that of the filter material filling area 12, the second storage bin 14 is connected with a water outlet storage area 16 arranged above the filter material filling area 12 through a water outlet connecting pipe 15, the water outlet storage area 16 is connected with a water outlet part 17, when water treatment is carried out, water filtered through the filter material filling area 12 enters the second storage bin 14, then enters the water outlet storage area 16 through the water outlet connecting pipe 15 and is discharged out of the water outlet part 17, when backwashing is carried out, the water inlet part 1 stops introducing into the main body 23, and the water outlet storage area 16 is arranged at the position above the filter material filling area 12, at this moment, the water body remained in the water outlet storage area 16 flows back under the action of gravity and enters the second storage bin 14, so that the water body in the second storage bin 14 flows back from bottom to top to backwash the filter material filling area 12, and the second storage bin 14 is arranged to prevent the filter material filling area 12 from being centralized by the backwashed water flow, so that the backwashing of the filter material filling area 12 is uneven, and the filtering effect is influenced.

The location of the effluent storage area 16 is not particularly limited in this embodiment, and it may be disposed on the top of the main body 23, and the effluent of the ascending guide pipe 6 impinges on the wall of the effluent storage area 16, and preferably, as shown in fig. 1, the effluent storage area 16 is an annular space disposed between the third mixing part and the side wall of the main body 23 in order to make the inner space of the main body 23 more reasonable.

Filter the reaction zone and still including the first storage silo 13 that is located the one side of the income water end of filter material filling zone 12, as shown in fig. 1, it is preferred, first storage silo 13 self is the setting of hopper form, the income water end setting of the opening of first storage silo 13 towards filter material filling zone 12, it is used for when backwashing filter material filling zone 12, provide to hold and buffer space for the backwash sewage that enters water end discharge from filter material filling zone 12, prevent that this sewage from getting into mixed reaction zone and influence after use, and simultaneously, at the backwash in-process, the filter material in filter material filling zone 12 can produce the inflation, first storage silo 13 can also provide the space that is used for holding the inflation part, avoid the filter material of filter material filling zone 12 to damage because of not having the inflation space.

The preferred first storage storehouse 13 is equipped with and is used for communicateing the outside backwash drainage 22 of main part 23, and when the water yield of backwash was too big, the filter material filling area 12 income water end exhaust backwash sewage can be directly outside backwash drainage 22 discharge main part 23, avoids making backwash sewage get into the mixed reaction zone and influence the use afterwards because of the backwash water yield surpasss the accommodation space of first storage storehouse 13.

The water body backflow channel is communicated with the first storage bin 13 and the mixing reaction area, and is used for enabling the water body in the first storage bin 13 to flow back to the mixing reaction area, so that the situation that sludge and impurities in the first storage bin 13 fall down to block the filter material filling area 12 is avoided, meanwhile, the situation that the water body in the first storage bin 13 is driven by water flow in the first flow space 42 to generate internal circulation can also be avoided, the flowing of the internal circulation influences the flowing of the water body in the first flow space 42, the full contact of the water body in the first flow space 42 and the filter material filling area 12 is influenced, and the filtering effect and the scouring effect are reduced.

The specific structure of the water body backflow channel is not limited in this embodiment, and preferably, as shown in fig. 1, the water body backflow channel of this embodiment includes a third water body backflow pipe 47, which communicates the backwash water discharge part 22 and the ascending guide pipe 6, preferably, an outlet end of the third water body backflow pipe 47 of this embodiment is disposed toward the second opening 37, and an outlet end of the third water body backflow pipe 47 is disposed on the fourth stopper 9, so that the third water body backflow pipe 47 can be subjected to a low pressure effect at the outlet of the second mixing part 5, and thus, the water body in the first storage bin 13 flows back to the second opening 37 through part of the backwash water discharge part 22 and the third water body backflow pipe 47 under the low pressure effect, and then enters the ascending guide pipe 6 to realize circulation.

In this embodiment, the third water return pipe 47 is horizontally arranged, that is, the flow direction of the water in the third water return pipe 47 is perpendicular to the flow direction of the water in the upward guide pipe 6; of course, in other embodiments, the third water return pipe 47 may also be disposed in an inclined manner along the direction of the water flowing in the upward guiding pipe 6, that is, the flow direction of the water in the third water return pipe 47 is the same as the flow direction of the water at the second opening 37, or an included angle between the flow direction of the water in the third water return pipe 47 and the flow direction of the water at the second opening 37 forms an acute angle, so as to prevent the water discharged from the third water return pipe 47 from colliding with the water at the second opening 37, and further consuming the power of the water flowing.

In this embodiment, the mixing reaction zone is communicated with the first flow space 42 through the second flow space 24, so that the effluent of the mixing reaction zone enters the first flow space 42 for further filtration, the structure of the second flow space 24 is not specifically limited in this embodiment, preferably, the second flow space 24 is vertically arranged, and the water body flows from top to bottom in the second flow space 24.

In order to further mix the sewage and the medicament to form sludge and reduce the amount of sludge entering the first flow space 42, thereby reducing the filtering pressure of the filter material filling area 12, a first stopper 10 for colliding with the water in the second flow space 24 is arranged in the second flow space 24, and the first stopper 10 is positioned at the upstream of the end surface water inlet 43, so that the water in the second flow space 24 collides with the first stopper 10 in the flowing process, thereby disturbing the water flow and promoting the sewage and the medicament to further mix to form sludge, wherein the heavier sludge cannot enter the first flow space 42 under the driving of the water flow, but sinks to the bottom of the second flow space 24, thereby reducing the filtering pressure of the filter material filling area 12.

The structure of the first stopper 10 is not specifically limited in this embodiment, and as shown in fig. 3 and 4, the first stopper may be a straight plate structure, and at this time, the water body collides with the first stopper 10 to generate disturbance; preferably, as shown in fig. 1 and 2, at least a portion of the first stopper 10 is provided with an inclined end surface, and the water body in the second flow space 24 collides with the inclined end surface of the first stopper 10, and at this time, the collision generates a vortex, so that the resistance of the collision on the water body can be reduced, and the power loss of the water body flow can be reduced.

On the basis of the first blocking piece 10, as shown in fig. 1, the first blocking piece 10 is connected to the mud-water separating plate 11, the mud-water separating plate 11 is disposed at the end surface water inlet 43 and extends along the longitudinal axial direction of the main body 23, at this time, after the water body in the second flow space 24 collides with the first blocking piece 10, the water body needs to bypass the mud-water separating plate 11 and enter the end surface water inlet 43 through backflow, and since the heavy sludge cannot move along with the backflow under the driving of the water flow and then enters the end surface water inlet 43, the heavy sludge can be settled to the bottom of the second flow space 24, and only the light sludge or suspended matters enter the first flow space 42, so that the mud-water separating plate 11 plays a role in screening, the amount of the sludge entering the first flow space 42 can be further reduced, and the filtering pressure of the filter material filling area 12 is reduced.

On the basis of the arrangement of the mud-water separation plate 11, further, as shown in fig. 1, a second blocking piece 25 is further arranged in the second flow space 24, water flowing out through the mud-water separation plate 11 flows into the end face water inlet 43 through the second blocking piece 25, at this time, the water flowing to the end face water inlet 43 by bypassing the mud-water separation plate 11 collides with the second blocking piece 25, so that water flow is disturbed, sewage and chemicals in the water body are further mixed to form sludge in the disturbance process, wherein the heavier sludge cannot enter the first flow space 42 under the driving of the water flow, but sinks to the bottom of the second flow space 24, so that the second blocking piece 25 can further reduce the amount of the sludge entering the first flow space 42, and the filtering pressure of the filter material filling area 12 is reduced.

In this embodiment, the structure of the second stopper 25 is not specifically limited, and it may be a straight plate structure, and at this time, the water body collides with the second stopper 25 to generate disturbance; preferably, as shown in fig. 1, at least a part of the second stopper 25 is provided with an inclined end surface, and water flowing out through the mud-water separation plate 11 collides with the inclined end surface of the second stopper 25, and at this time, the collision generates a vortex, so that resistance of the collision on the water body can be reduced, and power loss of the water body flow can be reduced.

On the basis of the first stopper 10, as shown in fig. 2, a mud-water separation flap 35 communicated with the first flow space 42 is further disposed in the second flow space 24, a water inlet opening toward the incoming water direction is formed between the mud-water separation flap 35 and the first stopper 10, the water inlet is communicated with the end face water inlet 43, when the water body in the second flow space 24 collides with the first stopper 10 to generate sludge, the sludge rises along with the water body flowing back after colliding with the first stopper 10, is diffused in the second flow space 24 during the rising process, then falls along with the water body, and at this time, the sludge generated by collision is diffused in the water body, wherein a part of the water body and the sludge enters the end face water inlet 43 from the water inlet and is introduced into the first flow space 42, and the other part of the water body and the sludge bypass the mud-water separation flap 35 and flow to the bottom of the second flow space 24, so that the sludge-water separating flap 35 can further reduce the amount of sludge entering the first flow space 42, thereby relieving the filtering pressure of the filter material filling section 12.

On the basis of arranging the first stopper 10, further, as shown in fig. 3 and 4, a third stopper 36 is further arranged in the second flow space 24, the third stopper 36 is located at the downstream of the end surface water inlet 43, and because an opening communicated with the end surface water inlet 43 is formed between the third stopper 36 and the first stopper 10, the distance between the end surface water inlet 43 and the cavity wall of the second flow space 24 is shortened by the opening, so that the water flow speed at the opening is accelerated, and the time for sludge in the water body to remain at the opening is shortened, the probability that the sludge enters the first flow space 42 along with the water flow is reduced, the sludge amount entering the first flow space 42 is reduced, and the filtering pressure of the filter material filling area 12 is reduced.

In this embodiment, the relative length of the third stopper 36 and the first stopper 10 is not specifically limited, as shown in fig. 3, the first stopper 10 is longer than the third stopper 36, and at this time, the sludge generated by impacting the first stopper 10 flows with the water flow in the direction of the opening formed by the third stopper 36 and the first stopper 10 with the fan-shaped spreading surface after passing through the first stopper 10, so that only a part of the sludge at the opening of the spreading surface enters the first flow space 42, so that the amount of the sludge entering the first flow space 42 is reduced, and the filtering pressure of the filtering material filling area 12 is reduced; as shown in fig. 4, the third stopper 36 is longer than the first stopper 10, and at this time, the sludge generated by impacting the first stopper 10 rises along with the water body flowing back after impacting the first stopper 10, and diffuses in the second flow space 24 during the rising process, and then falls back along with the water body, and at this time, the sludge generated by impacting is diffused in the water body, wherein the sludge falling on the third stopper 36 enters the end-face water inlet 43 and is introduced into the first flow space 42, and the sludge generated by the water body passing between the third stopper 36 and the wall of the second flow space 24 settles to the bottom of the second flow space 24, so that the amount of sludge entering the first flow space 42 is reduced, and the filtering pressure of the filter material filling area 12 is reduced.

The installation manner of the first stopper 10, the second stopper 25 and the third stopper 36 is not specifically limited in this embodiment, wherein the first stopper 10 and the first storage bin 13 may be welded or detachably connected by bolts, and the second stopper 25 and the third stopper 36 and the filter material filling area 12 may be welded or detachably connected by bolts.

Further, set up sludge settling zone 20 in second flow space 24's low reaches for collect the mud that subsides in second flow space 24, be convenient for derive main part 23 with mud outside or carry out the reutilization, avoid mud to occupy the space in the main part 23, lead to the treatment water yield to reduce.

The structure of the sludge settling zone 20 is not specifically limited in this embodiment, the preferable sludge settling zone 20 is a conical space arranged at the bottom of the main body 23, so that the sludge settled in the second flow space 24 is guided by the wall of the conical space and is gathered at the bottom of the conical space, the sludge discharge port 21 is convenient for discharging the sludge, the sludge accumulation is prevented from occupying the space in the main body 23, and the bottom of the sludge settling zone 20 is communicated with the outside of the main body 23 through the sludge discharge port 21.

In order to further enhance the water purification effect on the water body, preferably, as shown in fig. 1, the first nozzle 2 is provided with a sludge return pipe 34 extending to the sludge settling zone 20, because a low pressure is generated at the outlet of the first nozzle 2, a pressure difference is formed between the first nozzle 2 and the sludge settling zone 20, under the action of the pressure difference, matured sludge flocs in the sludge settling zone 20 enter the first nozzle 2 through the sludge return pipe 34 and participate in the mixing reaction zone again to realize secondary utilization, because the matured sludge flocs have the functions of adsorption and net-capturing, raw water colloids can be effectively removed, the purification effect is increased, the dosage can be reduced, and simultaneously, during the reaction process, the chemical agent remaining in the sludge flocs can fully react with the sewage to further utilize the residual chemical agent, and the purification effect can also be increased, and the dosage is reduced.

Example 2

In this embodiment, as shown in fig. 9-11, compared to embodiment 1, this embodiment does not have the water outlet connection pipe 15 and the water outlet storage area 16, and the second storage chamber 14 is directly connected to the water outlet portion 17, and preferably, the water outlet portion 17 is located below the second storage chamber 14.

The structure of the backwash water discharge part 22 is not specifically limited in this embodiment, and a first preferred scheme thereof is shown in fig. 9, in which the backwash water discharge part 22 is a bent pipe and directly communicates the first storage tank 13 with the external space of the main body 23, and the third water return pipe 47 is connected to one end of the backwash water discharge part 22 facing the first storage tank 13; a second preferred scheme of the backwash water discharge part 22 is shown in fig. 10 and fig. 11, and comprises communicated branch pipes 44, a header pipe 45 and collecting pipes 46, wherein a plurality of branch pipes 44 are uniformly arranged at the top of the first storage bin 13, at least two branch pipes 44 are communicated with one collecting pipe 46, and a plurality of collecting pipes 46 are communicated with the header pipe 45, two collecting pipes 46 are preferably arranged in the embodiment, and the collecting pipes 46 are preferably communicated with two branch pipes 44, so that the water discharge pressure of the backwash water discharge part 22 is balanced by arranging the plurality of branch pipes 44, the water discharge of the backwash water discharge part 22 is isobaric and uniform, short flow and dead angle in the first storage bin 13 are avoided, backwash sewage cannot be effectively discharged, and a third water return pipe 47 is connected with the branch pipes 44; of course, in other embodiments, only one collecting pipe 46 may be provided, in which case the collecting pipe 46 is in a ring-shaped structure and is communicated with all the branch pipes 44, and the water output of each branch pipe 44 is balanced by the collecting pipe 46 and then discharged from the main pipe 45.

Example 3

This embodiment provides a modified structure of embodiment 1, as shown in fig. 12, and the difference of this embodiment from embodiment 1 lies in the different connection position of the third water body return pipe 47, in this embodiment, the outlet of the third water body return pipe 47 is directly opened on the side wall of the ascending guide pipe 6, since at least a part of the inner diameter of the second mixing portion 5 is reduced, the water may instantaneously flow at the same position and increase in flow rate, therefore, the flow speed of the water body in the upward guide pipe 6 is high, the water pressure in the upward guide pipe 6 is relatively low according to the Bernoulli principle, under the action of the low pressure, the water in the third water return pipe 47 flows into the upper guide pipe 6, and therefore, under the action of the low pressure of the ascending guide pipe 6, the water in the first storage bin 13 enters the backwashing water discharging part 22, then enters the third water return pipe 47 and then returns to the ascending guide pipe 6; in this embodiment, the third water return pipe 47 is arranged perpendicular to the upward guide pipe 6; of course, in other embodiments, the third water return pipe 47 may also be disposed obliquely along the direction of the water flowing in the upward guiding pipe 6, so as to prevent the water from the third water return pipe 47 from colliding with the water in the upward guiding pipe 6, and further consuming the power of the water flowing.

Example 4

In this embodiment, as shown in fig. 13, the difference between this embodiment and embodiment 1 is that the outlet end of the third water body return pipe 47 is located at a different position than that of embodiment 1, in this embodiment, the outlet end of the third water body return pipe 47 is disposed toward the second opening 37, and the outlet end of the third water body return pipe 47 passes through the fourth stopper 9 and extends to the second opening 37, so that the third water body return pipe 47 can better receive the low pressure effect at the outlet of the second mixing portion 5, and thus the water body in the first storage compartment 13 flows back to the second opening 37 through part of the backwash water discharge portion 22 and the third water body return pipe 47 under the low pressure effect, and then enters the upward guide pipe 6 to realize circulation.

Example 5

In this embodiment, another lateral-flow multi-stage circulation-encrypted water purifying device is provided, as shown in fig. 14, the difference between this embodiment and embodiment 1 is that the water body backflow channel is different.

The water body backflow channel of the present embodiment includes a first water body backflow opening 48, which is disposed on the cavity wall of the second mixing portion 5 to communicate the second mixing portion 5 with the first storage bin 13, under the action of the low pressure at the outlet of the second nozzle 4, the water body in the first storage bin 13 flows back into the second mixing portion 5 through the first water body backflow opening 48, and a first water body backflow pipe 49 is disposed at the first water body backflow opening 48, in the present embodiment, preferably, the first water body backflow pipe 49 is disposed in the first storage bin 13, and the first water body backflow pipe 49 is disposed in an inclined manner along the direction far away from the first flow space 42, the position where the water body enters the water body backflow channel is moved into the first storage bin 13 by the first water body backflow opening 48, so as to avoid the influence of the pressure action of driving the water body into the water body backflow channel on the water flow in the first flow space 42, thereby affecting the filtering effect; of course, in other embodiments, the first water return pipe 49 may be horizontally disposed in the first storage chamber 13, that is, the first water return pipe 49 is parallel to the flowing direction of the water in the first flowing space 42; of course, in other embodiments, the first water return pipe 49 may also be located in the second mixing portion 5, and at this time, the position where the water is discharged from the water return channel by the first water return pipe 49 is moved from the first water return opening 48 to the second mixing portion 5, so that the water in the first storage bin 13 is better influenced by the low pressure at the outlet of the second spray pipe 4, and the sludge and the impurities better enter the water return channel and then return to the second mixing portion 5; of course, in other embodiments, the first water return pipe 49 may be provided in both the first storage tank 13 and the second mixing section 5, or the first water return pipe 49 may not be provided.

The water body backflow channel of this embodiment further includes a second water body backflow pipe 50, which is communicated with the first storage bin 13 and the third mixing portion, and an outlet end of the second water body backflow pipe 50 is disposed towards a water outlet end of the second mixing portion 5, preferably, the outlet end of the second water body backflow pipe 50 of this embodiment is located in the second water passing channel, under the action of low pressure at an outlet of the second mixing portion 5, the water body in the first storage bin 13 flows back to the second opening 37 through the second water body backflow pipe 50, and then enters the upward guide pipe 6, so as to facilitate installation of the second water body backflow pipe 50 and smoothness of the water body flowing in the second water passing channel and the third water passing channel, the fourth stopper 9 of this embodiment is disposed in a tapered structure with an inner diameter gradually increasing along a direction away from the upward guide pipe 6, the downward guide pipe 40 is disposed in a tapered structure adapted to the fourth stopper 9 in parallel, namely, the fourth stopper 9 and the descending guide pipe 40 are both parallel to the second water body return pipe 50; of course, in other embodiments, the ascending guide pipe 6, the fourth blocking member 9 and the descending guide pipe 40 may not be provided, and in this case, the outlet end of the second water body return pipe 50 is only arranged towards the water outlet end of the second mixing part 5.

Of course, in other embodiments, only one of first body of water return pipe 49 and second body of water return pipe 50 may be provided, and only one of first body of water return opening 48 and second body of water return pipe 50 may be provided.

In this embodiment, a filter material baffle 51 is further arranged in the first storage bin 13, the filter material baffle 51 is located at an inlet of the backwashing drainage part 22, when the filter material filling region 12 is backwashed, the filter material expands and then partially moves into the first storage bin 13, and at this time, the filter material baffle 51 plays a role in blocking the filter material, so that the filter material can be prevented from entering the backwashing drainage part 22 and then being discharged out of the main body 23, and the quantity of the filter material in the backwashing filter material filling region 12 is reduced, and further the filtering effect is reduced; of course, filter material baffle 51 may not be provided, and filter material baffle 51 may be provided in any of the above embodiments.

The water inlet part 1 of the tubular structure in this embodiment is provided with a water inlet vent pipe 52 to discharge the water flowing into the water inlet part 1 in the main body 23 in the non-operation state of this embodiment, and the water outlet part 17 of the tubular structure is provided with a water outlet vent pipe 54 to discharge the water flowing into the water outlet part 17 in the main body 23 in the non-operation state of this embodiment; of course, in other embodiments, neither the inlet and outlet vents 52, 54, or only one of them, may be provided.

The sludge discharge pipe 53 is further arranged in the sludge settling zone 20, the inlet end of the sludge discharge pipe 53 is arranged in the sludge settling zone 20 and faces the low point of the sludge settling zone 20, one end, located outside the main body 23, of the sludge discharge pipe 53 is connected with the pump body, and sludge impurities settled in the sludge settling zone 20 are discharged through the suction effect generated by the pump body in the non-operation state of the embodiment; of course, in other embodiments, the mud pipe 53 may not be provided.

Example 6

This embodiment provides a modified structure of embodiment 5, as shown in fig. 15, the difference of this embodiment from embodiment 5 is that the water body return channel of this embodiment only includes the first water body return pipe 49; meanwhile, the present embodiment is different from

embodiments

1 and 5 in the communication structure between the mixing space 8 and the second flow space 24, that is, the structure of the first water passage 39 is different in the present embodiment.

In this embodiment, the partition 38 is disposed on the second mixing portion 5, and an opening is formed between the partition 38 and the main body 23, meanwhile, a first auxiliary partition 55 and a second auxiliary partition 56 are disposed in the main body 23, the first auxiliary partition 55 and the second auxiliary partition 56 are both connected to the main body 23, the first auxiliary partition 55 is disposed on one side of the partition 38 facing the mixing space 8, and a fourth water passing channel forming the first water passing channel 39 is formed between the first auxiliary partition 55 and the partition 38, and one end of the first auxiliary partition 55 away from the main body 23 forms an inlet of the fourth water passing channel, that is, an inlet of the first water passing channel 39, the second auxiliary partition 56 is disposed on one side of the partition 38 facing the second flow space 24, and a fifth water passing channel forming the first water passing channel 39 is formed between the partition 38 and the fifth water passing channel, the fourth water passing channel and the fifth water passing channel are communicated with the opening between the partition 38 and the main body 23, and an outlet of the fifth water passing channel is formed between the second auxiliary partition 56 and the second mixing portion 5, i.e. the outlet of the first water passage 39.

In order to avoid forming a dead angle in the mixing space 8 and make the sludge or flocs in the water in the mixing space 8 accumulate at the dead angle position and cannot enter the second flow space 24, it is preferable that the partition plate 38 is obliquely arranged, and the top end of the partition plate 38 is inclined away from the second mixing part 5 in the height direction, and at the same time, the first auxiliary partition plate 55 and the second auxiliary partition plate 56 are parallel to the partition plate 38, that is, the first auxiliary partition plate 55 and the second auxiliary partition plate 56 are also obliquely arranged, so that the sludge or flocs can move towards the first water passing channel 39 under the guiding action of the first auxiliary partition plate 55, so that the sludge or flocs can enter the upward guide pipe 6 from the second opening 27 to circulate under the pressure formed by the low pressure of the second mixing part 5, and the purification effect is enhanced by the adsorption effect of the sludge or flocs.

Preferably, a fourth stopper 9 is provided in this embodiment, and the fourth stopper 9 extends towards the connecting position of the partition 38 and the second mixing section 5, so that this position can be acted on by the low pressure at the outlet of the second mixing section 5, and dead space is avoided; of course, the fourth stop 9 may not be provided in other embodiments.

In this embodiment, the first water passage 39 is different in structural arrangement, and therefore the downward guide pipe 40 is not provided.

Example 7

This embodiment provides a modified structure of embodiment 6, and as shown in fig. 16, the difference between this embodiment and embodiment 6 is the structure of the first water passing channel 39.

In the present embodiment, the partition 38 is disposed on the second mixing section 5, and at the same time, a part of the first storage chamber 13 is formed, that is, the partition 38 at least partially serves as a chamber wall of the first storage chamber 13, therefore, the second auxiliary partition 56 is not disposed in the present embodiment, and an opening between the partition 38 and the main body 23 serves as an outlet of the first water passing channel 39; a first auxiliary partition plate 55 is arranged in the main body 23, the first auxiliary partition plate 55 is connected with the main body 23, the first auxiliary partition plate 55 is positioned on one side of the partition plate 38 facing the mixing space 8, a fourth water passing channel is formed between the partition plate 38 and the fourth water passing channel, the fourth water passing channel is used as a first water passing channel 39, and an inlet of the first water passing channel 39 is formed at one end of the first auxiliary partition plate 55 far away from the main body 23.

In order to avoid the formation of dead corners in the mixing space 8, and to make the sludge or flocs in the water in the mixing space 8 accumulate at the dead corner position and cannot enter the second flow space 24, it is preferable that the partition plate 38 and the first auxiliary partition plate 55 are disposed obliquely, and the top ends of the partition plate 38 and the first auxiliary partition plate 55 are inclined away from the second mixing section 5 in the height direction.

In this embodiment, since at least a part of the partition 38 is used as the wall of the first storage tank 13, the top of the first storage tank 13 far from the second mixing part 5 forms the highest point of the first storage tank 13, so as to avoid gas accumulation due to dead angle formed at the top, the inlet of the backwash water discharge part 22 may be disposed at the top, or an exhaust pipe 57 may be disposed to communicate the space with the backwash water discharge part 22 through the exhaust pipe 57, preferably, the branch pipe 44.

Example 8

FIG. 17 is a schematic structural view of example 8 of the present invention; this embodiment provides a modification of embodiment 7 in which, as shown in fig. 17, the end of the partition 38 remote from the second mixing chamber may be connected to a first auxiliary partition 55, and the connection may be in the form of a perforated, sieve, slotted or slotted plate channel, so that the sludge is retained in the upper mixing space 8 region, reducing the load of filtering and filtering the sludge.

Example 9

FIG. 18 is a partial structural view of example 9 of the present invention; this embodiment provides a modified structure of embodiment 7, as shown in fig. 18, a third guiding plate 58 may be disposed in the mixing space 8, for example, the third guiding plate 58 may be multi-layered, wherein the upper layer of the third guiding plate 58 may be disposed in a ring shape around the mixing space 8, which may increase the turbulent mixing and increase the contact collision probability of the medicament and the pollutant. The lower third guide plate 58 may be connected to the first auxiliary partition 55, and the bottom of the third guide plate 58 may be provided with a through hole to prevent the accumulated sludge from changing the flow pattern in the mixing space 8.

Example 10

Fig. 19 is a partial structural schematic diagram of embodiment 10 of the present invention, and this embodiment provides a modified structure of embodiment 1, and as shown in fig. 19, the bottom of the turbulence cone 28 adopts a planar structure instead of an angular structure, which can reduce the generation of bubbles. The bottom opening of the center tube 26 is increased to increase the amount of backflow and improve mixing. The outer wall of the central tube 26 and the inner wall of the flow dividing cylinder 27 may be provided with a fourth guide plate 59 to change the direction of the fluid and improve the mixing effect.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. Purifier is encrypted in multistage circulation of lateral flow, its characterized in that includes:

a main body (23) provided with a water inlet part (1) and a water outlet part (17);

the mixed reaction area is positioned in the main body (23), and the water inlet end of the mixed reaction area is connected with the water inlet part (1);

a filter material filling zone (12); the first storage bin (13) is positioned on one side of the water inlet end of the filter material filling area (12), and an opening of the first storage bin (13) faces the water inlet end of the filter material filling area (12);

the water body backflow channel is communicated with the first storage bin (13) and the mixing reaction area and is used for enabling the water body in the first storage bin (13) to flow back to the mixing reaction area;

the filter material filling area is characterized by comprising a first flow space (42) which is arranged in the filtering reaction area and corresponds to the water inlet end of the filter material filling area (12), an end surface water inlet (43) communicated with the first flow space (42) is formed in the side wall of the filtering reaction area, and water flows into the first flow space (42) through the end surface water inlet (43).

2. The lateral-flow multi-stage circulation-encrypted water purification device according to claim 1, wherein the mixing reaction zone comprises:

a second mixing section (5) communicating with the water inlet section (1).

3. The lateral-flow multi-stage circulation-encrypted water purification device according to claim 2, wherein the mixing reaction zone further comprises:

a second nozzle (4) in communication with the water inlet portion (1), at least a portion of the inner diameter of the second nozzle (4) decreasing in the direction of flow of the body of water;

the second mixing section (5) is located downstream of the second lance (4);

the water body backflow channel comprises:

a first water body backflow opening (48) arranged on the cavity wall of the second mixing part (5) to communicate the second mixing part (5) with the first storage bin (13).

4. The lateral-flow multi-stage circulation encryption water purification device of claim 3, wherein the water body backflow channel further comprises:

a first water body return pipe (49) in communication with the first water body return opening (48) and located within the first storage bin (13) and/or within the second mixing section (5).

5. The lateral-flow multi-stage circulation-type encryption water purification device as claimed in claim 4, wherein the first water body return pipe (49) is located in the first storage bin (13) and is arranged obliquely in a direction away from the first flow space (42).

6. The lateral-flow multi-stage circulation-encrypted water purification device according to claim 2, wherein the mixing reaction zone further comprises:

a third mixing section communicating with the second mixing section (5) and located downstream of the second mixing section (5);

the second mixing section (5) has a reduced inner diameter along at least a portion of the direction of flow of the body of water.

7. The lateral-flow multi-stage circulation-encrypted water purification device according to claim 6, wherein the mixing reaction zone further comprises:

go upward stand pipe (6), set up in the third mixing portion, go upward stand pipe (6) with form mixing space (8) between the third mixing portion, the end of intaking of going upward stand pipe (6) corresponds the play water end setting of second mixing portion (5), go upward stand pipe (6) with the corresponding one end of second mixing portion (5) is provided with second opening (37).

8. The lateral-flow multi-stage circulation-encrypted water purifying device according to claim 7, wherein a fourth stopper (9) is arranged at one end of the upward guide pipe (6) close to the second mixing part (5), and the inner diameter of the fourth stopper (9) is larger than that of the second mixing part (5).

9. The lateral-flow multi-stage circulation-encrypted water purification device according to claim 8, wherein the third mixing part comprises:

the descending guide pipe (40) is arranged between the second mixing part (5) and the fourth blocking part (9), the descending guide pipe (40) and the fourth blocking part (9) form a second water passing channel, the descending guide pipe (40) and the second mixing part (5) form a third water passing channel, and the third water passing channel is communicated with the first flowing space (42).

10. The lateral-flow multistage-circulation-encrypted water purification device as claimed in any one of claims 6 to 9, wherein the water body backflow channel comprises:

and the second water body return pipe (50) is communicated with the first storage bin (13) and the third mixing part, and the outlet end of the second water body return pipe (50) faces the water outlet end of the second mixing part (5).

11. The lateral-flow, multi-stage, recirculating, encrypted water purifying apparatus of claim 10, wherein the outlet end of the second body of water return conduit (50) is located in a second water passing channel in the third mixing section.

12. The device for purifying water with circulation by multi-stage and encryption of lateral flow according to any one of claims 7 to 9, characterized in that the first storage bin (13) is provided with a backwash water discharge part (22) for communicating with the outer space of the main body (23).

13. The lateral-flow multi-stage circulation encryption water purification device of claim 12, wherein the water body backflow channel comprises:

and the third water body return pipe (47) is communicated with the backwashing water draining part (22) and the ascending guide pipe (6).

14. The lateral-flow multi-stage circulation encryption water purification device as recited in claim 13, wherein an outlet end of the third water body return pipe (47) is disposed toward the second opening (37).

15. The lateral-flow multi-stage circulation-type encryption water purification device as claimed in claim 14, wherein the outlet end of the third water body return pipe (47) is arranged on a fourth stopper (9) at the end of the upward guide pipe (6).

16. The lateral-flow multistage-circulation encryption water purification device as claimed in claim 12, wherein a filter material baffle (51) is arranged in the first storage bin (13), and the filter material baffle (51) is positioned at an inlet of the backwashing water discharge part (22).

17. The lateral-flow multi-stage circulation-encrypted water purification device according to claim 7 or 8, wherein the third mixing part comprises:

and the partition plate (38) is arranged in the main body (23), the partition plate (38) divides the inner space of the main body (23) into the mixing space (8) and the second flow space (24), the second flow space (24) is communicated with the first flow space (42), and the mixing space (8) is communicated with the second flow space (24) through the first water passing channel (39).

18. The lateral-flow multi-stage circulation encryption water purification device as claimed in claim 17, wherein the main body (23) is further provided with:

a first auxiliary partition (55) positioned on the side of the partition (38) facing the mixing space (8), a fourth water passage being formed between the first auxiliary partition (55) and the partition (38), an inlet of the fourth water passage being provided between the first auxiliary partition (55) and the second mixing part (5), and an outlet of the fourth water passage being provided between the partition (38) and the main body (23);

the first water passage (39) includes: the fourth water channel.

19. The lateral-flow multi-stage circulation encryption water purification device as claimed in claim 18, wherein the main body (23) is further provided with:

a second auxiliary partition plate (56) is positioned on one side of the partition plate (38) facing the second flow space (24), a fifth water passing channel is formed between the second auxiliary partition plate (56) and the partition plate (38), the fifth water passing channel is communicated with the fourth water passing channel, and an outlet of the fifth water passing channel is arranged between the second auxiliary partition plate (56) and the main body (23);

the first water passage (39) further comprises: the fifth water passing channel.

20. The water purifying apparatus with lateral flow and multi-stage circulation encryption as recited in claim 19, wherein the top end of the partition plate (38) is inclined away from the second mixing part (5) in the height direction; or; the top end of the partition (38) and the top end of the first auxiliary partition (55) are inclined away from the second mixing section (5); or; the top ends of the partition (38), the first auxiliary partition (55) and the second auxiliary partition (56) are inclined away from the second mixing section (5).