CN215480210U - Self-circulation high-density suspended sludge filtering and settling water purifying device - Google Patents

Abstract

The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, wherein a filter shell is arranged on the inner wall of a shell, a filter cavity is formed between the filter shell and the shell, and a purified water outlet is formed in the part, corresponding to the filter cavity, of the shell; a filter assembly disposed in the filter cavity; one end of the water conduit is communicated with the water outlet part, and the other end of the water conduit acts on the upstream of the filtering component; one end of the water outlet pipe is acted on the downstream of the filtering component, and the other end of the water outlet pipe is communicated with the purified water outlet. After the sewage and the medicine entering the shell are reacted, the purified water can flow out through the water outlet part, the water guide pipe is arranged, the purified water flowing out of the water outlet part can be guided to the filtering component by the water guide pipe, the obtained water enters the water outlet pipe after the further purification effect of the filtering component, and then the water outlet pipe further guides the water to the position of the water purification water outlet, so that the purification operation is realized.

Description

Self-circulation high-density suspended sludge filtering and settling water purifying device

Technical Field

The utility model relates to the technical field of sewage purification equipment, in particular to a self-circulation high-density suspended sludge filtering and settling 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.

In the prior art, in order to realize the purification operation of water, a self-circulation high-density suspended sludge filtering and settling water purifying device is usually arranged, and the purification operation of water can be realized by arranging the self-circulation high-density suspended sludge filtering and settling water purifying device.

However, in the prior art, the water quality of the water flowing out of the self-circulation high-density suspended sludge filtering and settling water purification device cannot fully meet the requirement of water quality.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the water treated by the self-circulation high-density suspended sludge filtering and settling water purification device in the prior art cannot fully meet the water quality requirement.

Therefore, the utility model provides a self-circulation high-density suspended sludge filtering and settling water purification device, which comprises: the shell is provided with a water inlet part and a water outlet part; the central reaction cylinder is arranged inside the shell, and a flocculation reaction area is formed inside the central reaction cylinder; the water body accelerating device is positioned in the shell and is positioned at the downstream of the water inlet part, and a water outlet of the water body accelerating device is arranged towards the central reaction cylinder; the filter shell is arranged on the inner wall of the shell, a filter cavity is formed between the filter shell and the shell, and a purified water outlet is formed in the part, corresponding to the filter cavity, of the shell; a filter assembly disposed in the filter cavity; one end of the water conduit is communicated with the water outlet part, and the other end of the water conduit acts on the upstream of the filtering component; one end of the water outlet pipe is acted on the downstream of the filtering component, and the other end of the water outlet pipe is communicated with the purified water outlet.

The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which further comprises: the partition plate is arranged in the filter cavity and used for dividing the filter cavity into a water purification area and a sewage area, and a through hole suitable for the water outlet pipe to penetrate is formed in the partition plate.

According to the self-circulation high-density suspended sludge filtering and settling water purifying device provided by the utility model, one end of the water outlet pipe is arranged on the through hole.

The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which further comprises: and one end of the water pumping pipe extends to the outer side of the shell, and the other end of the water pumping pipe extends to the inside of the sewage area and is positioned at the upstream of the filtering component.

The self-circulation high-density suspended sludge filtering and settling water purifying device provided by the utility model is characterized in that the filter shell is annularly arranged on the inner wall of the shell.

The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which further comprises: the mud cover sets up the central reaction tube outside, central reaction tube with be formed with the floc breach between the mud cover, the mud cover with be formed with the mud district between the central reaction tube, the mud district sets up the low reaches of floc breach is followed and is kept away from the direction of floc breach, the mud district is including half ripe mud collection mud district to and suspension mud strains heavy district.

The utility model provides a self-circulation high-density suspended sludge filtering and settling water purification device, which comprises: a first acceleration pipe disposed downstream of the water inlet portion, at least a portion of the first acceleration pipe having a reduced inner diameter.

The utility model provides a self-circulation high-density suspended sludge filtering and settling water purification device.

The utility model provides a self-circulation high-density suspended sludge filtering and settling water purification device, which further comprises: and the second accelerating tube is covered above the first accelerating tube, and at least one part of the second accelerating tube is arranged in a conical shape.

The self-circulation high-density suspended sludge filtering and settling water purification device further comprises a rising guide pipe, wherein a circulation flow guide cover is arranged at one end of the rising guide pipe, which corresponds to the second accelerating pipe, and the circulation flow guide cover covers the periphery of the second accelerating pipe.

The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which also comprises a water baffle, wherein the water baffle comprises: one end of the first water baffle is connected with the inner wall of the central reaction cylinder, and the other end of the first water baffle extends towards the second accelerating tube; and the second water baffle is connected with the other end of the first water baffle, one end of the second water baffle extends into the area between the circulating air guide sleeve and the second accelerating tube, and a water body turns to the flow of the circulating air guide sleeve at the joint of the first water baffle and the second water baffle.

The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which further comprises: and the ascending guide cover is arranged on the outer wall of the second accelerating tube, the second water baffle extends to the ascending guide cover and the area between the second accelerating tubes, and the ascending guide cover is communicated with the floc gap.

The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which further comprises: the water distribution guide cylinder is connected with the central reaction cylinder, and a floc gap is formed between the central reaction cylinder and the ascending guide cover.

The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which comprises a sludge cover and a water purifying device, wherein the sludge cover comprises: the first inclined section corresponds to the suspended sludge filtering and settling area, a cured sludge collecting area is formed between the first inclined section and the shell, and a plurality of three-phase separation plates are arranged on the first inclined section; the transition section corresponds to the semi-mature sludge collection area; a second inclined section into which water bodies flowing out through the floc gaps enter.

The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which further comprises: the mixing area, the mixing area set up intake portion with between the first accelerating tube, and with it is linked together to intake the portion, the mixing area includes: the mud water collecting tank is connected with the first accelerating pipe and is provided with a water outlet; the first baffle is arranged at the downstream of a water outlet of the muddy water collecting tank, and a first flow passage is formed between the first baffle and the muddy water collecting tank; the drainage plate sets up on the outer wall of mud water collection tank, the drainage plate with form the second runner between the first baffle, first runner with the second runner is linked together, through the fluid of the export outflow of second runner is suitable for the entering in the first accelerating tube.

The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which further comprises: and the inlet end of the sludge inner return pipe enters the cured sludge collecting region, and the other end of the sludge inner return pipe is communicated with the sludge collecting tank.

According to the self-circulation high-density suspended sludge filtration and sedimentation water purification device provided by the utility model, the outlet of the drainage plate is communicated with the delivery pipe, and the other end of the delivery pipe extends towards the sludge inner return pipe.

The technical scheme of the utility model has the following advantages:

1. the utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which comprises: the shell is provided with a water inlet part and a water outlet part; the central reaction cylinder is arranged inside the shell, and a flocculation reaction area is formed inside the central reaction cylinder; the water body accelerating device is positioned in the shell and is positioned at the downstream of the water inlet part, and a water outlet of the water body accelerating device is arranged towards the central reaction cylinder; the filter shell is arranged on the inner wall of the shell, a filter cavity is formed between the filter shell and the shell, and a purified water outlet is formed in the part, corresponding to the filter cavity, of the shell; a filter assembly disposed in the filter cavity; one end of the water conduit is communicated with the water outlet part, and the other end of the water conduit acts on the upstream of the filtering component; one end of the water outlet pipe is acted on the downstream of the filtering component, and the other end of the water outlet pipe is communicated with the purified water outlet.

According to the utility model, after sewage entering the shell reacts with the medicine, purified water flows out through the water outlet part, and the purified water flowing out of the water outlet part can be guided into the filtering component by the water guide pipe for further filtering operation. After the further purification action of the filter assembly, the obtained water enters the water outlet pipe, and then the water outlet pipe further guides the water to the position of the purified water outlet, thereby realizing the purification operation.

Further, through set up the filter chamber in that the casing is inside, can utilize the inner space of casing effectively for self-loopa high density suspension mud filters heavy purifier can also realize the further purification operation to water on the basis that possesses basic water purification function.

2. The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which further comprises: the partition plate is arranged in the filter cavity and used for dividing the filter cavity into a water purification area and a sewage area, and a through hole suitable for the water outlet pipe to penetrate is formed in the partition plate.

Through setting up the division board, can separate water purification and sewage, distinguish inside the purification operation that carries out sewage in the sewage, then shift the water purification that obtains to the water purification district through the outlet pipe and hold in and receive to further flow to the external world through the water purification delivery port.

3. The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which further comprises: and one end of the water pumping pipe extends to the outer side of the shell, and the other end of the water pumping pipe extends to the inside of the sewage area and is positioned at the upstream of the filtering component.

Through setting up the drinking-water pipe, after the drinking-water pipe starts, it will flow into to the water purification district through the drinking-water pipe this moment to be located the water purification of filter assembly low reaches partly, and another part water purification will reverse flow to filter assembly's upstream position under the negative pressure effect of drinking-water pipe, and at the reverse flow in-process of water, it can realize the washing operation to filter assembly self, after accomplishing reverse washing, can draw sewage to the external world through the drinking-water pipe to the realization is to filter assembly's washing.

According to the utility model, through the matching of the water pumping pipe, the water conduit and the filtering component, the water purification efficiency of the filtering component can be effectively ensured, and further, the purification effect of the whole self-circulation high-density suspended sludge filtering and settling water purification device on sewage can be effectively ensured.

4. The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which comprises: the shell is provided with a water inlet part and a water outlet part; the central reaction cylinder is arranged inside the shell, and a flocculation reaction area is formed inside the central reaction cylinder; the water body accelerating device is positioned in the shell and connected with the water inlet part, and a water outlet of the water body accelerating device is arranged towards the central reaction cylinder; a floc gap is formed between the central reaction cylinder and the sludge cover; the mud cover sets up the central reaction section of thick bamboo outside, the mud cover with be formed with the mud district between the central reaction section of thick bamboo, the mud district sets up the low reaches of floc breach is followed and is kept away from the direction of floc breach, the mud district is including half ripe mud collection mud district to and suspension mud sinks the district.

In the utility model, the sewage, medicine and the like which need to be purified outside enter the water body accelerating device through the water inlet part, enter the central reaction cylinder through the water body accelerating device, then carry out flocculation operation in the flocculation reaction area of the central reaction cylinder, and the flocculation reaction is gradually carried out along with the rising action. After finishing the primary flocculation, the wastewater flows out of the central reaction cylinder through a floc gap and then enters a sludge area formed between the sludge cover and the central reaction cylinder.

Inside the sludge zone, the flocculent sludge will be subjected to the following forces: the thrust from the action of the water body accelerating device and the buoyancy of the flocculent sludge drive the flocculent sludge to move upwards; meanwhile, the flocculent sludge can also be subjected to self gravity, and the gravity drives the flocculent sludge to move downwards. Through the combined action of upward power and downward power, will make flocculated mud form the suspension state of disturbance, along with the gradual increase of flocculent mud, flocculent mud wholly goes on progressively climbing, and in the in-process of climbing, along with the gradual climbing of flocculent mud, flocculent mud will form half-ripe mud at first, then further the curing increase to help the abundant of purification reaction to go on.

The flocculent sludge flowing out of the central reaction cylinder is gradually intercepted in the semi-matured sludge by forming a suspension state, and then the reaction is gradually carried out in the sludge zone. Compared with the prior art, the sewage purification device has the advantages that the purification effect on the sewage per se is better due to the formation of the suspension state.

5. The utility model provides a self-circulation high-density suspended sludge filtering and settling water purification device, which comprises: a first acceleration pipe disposed downstream of the water inlet portion, at least a portion of the first acceleration pipe having a reduced inner diameter.

In the prior art, in order to realize the acceleration action of the water body entering the self-circulation high-density suspended sludge filtration and sedimentation water purification device, an independent impeller and other structures are usually required to be arranged in the water body, and the acceleration of the water body is realized by the assistance of a motor and the like.

In this application, take place to reduce through the inside at least partly internal diameter of restriction first accelerating tube, after sewage enters into first accelerating tube, because the internal diameter diminishes, will lead to rivers to accelerate, can realize unpowered pressurization this moment, need not mechanical stirring for holistic energy consumption reduces, makes things convenient for the later stage to maintain simultaneously.

6. The utility model provides a self-circulation high-density suspended sludge filtering and settling water purification device, which further comprises: and the second accelerating tube is covered above the first accelerating tube, and at least one part of the second accelerating tube is arranged in a conical shape.

The second accelerating tube is arranged, and firstly, the water body can perform accelerating action in the second accelerating tube. Meanwhile, the second accelerating tube is arranged above the first accelerating tube, so that a certain gap is formed between the first accelerating tube and the second accelerating tube in the height direction. Meanwhile, since the flow velocity of the fluid inside the first acceleration pipe is large, the water pressure in the first acceleration pipe is relatively low at this time in accordance with the bernoulli principle. At the moment, floc sludge entering the inside of the sludge area spontaneously enters a gap between the first accelerating tube and the second accelerating tube under the action of pressure, then flows into the central reaction cylinder again under the drive of the pressure to participate in the reaction again, so that the contact probability of the medicament and water is greatly improved, and the medicament is fully utilized. Meanwhile, the flocculent sludge can participate in the raw water mixing reaction for many times, and suspended matters and colloids of the raw water are removed through the sludge adsorption and net catching effects, so that the dosage of the medicament is saved.

More importantly, because the second accelerating tube is arranged above the first accelerating tube, and a certain gap is formed between the first accelerating tube and the second accelerating tube in the height direction, at the moment, because negative pressure exists in the second accelerating tube, flocculent sludge flowing out of a flocculent notch can be subjected to downward adsorption force under the action of the negative pressure, and the downward force applied to the flocculent sludge can comprise the gravity of the flocculent sludge and the adsorption force formed by the second accelerating tube.

7. The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which also comprises a water baffle, wherein the water baffle comprises: one end of the first water baffle is connected with the inner wall of the central reaction cylinder, and the other end of the first water baffle extends towards the second accelerating tube; and the second water baffle is connected with the other end of the first water baffle, one end of the second water baffle extends into the area between the circulating air guide sleeve and the second accelerating tube, and a water body turns to the flow of the circulating air guide sleeve at the joint of the first water baffle and the second water baffle.

Through setting up first breakwater, can block the water body that flows out from the riser top, after the water body flows first breakwater, can lead the water body to the second breakwater position. Through setting up the second breakwater, when the water flows to the junction of first breakwater and second breakwater, partly will turn to inside the circulation kuppe of water, simultaneously because the second breakwater stretches into in the region between circulation kuppe and the second accelerating tube for another part of water will continue downward flow, and enter into mud district inside through the floc breach.

8. The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which further comprises: and the ascending guide cover is arranged on the outer wall of the second accelerating tube, the second water baffle extends to the ascending guide cover and the area between the second accelerating tubes, and the ascending guide cover is communicated with the floc gap.

The second water baffle is arranged in the area between the ascending air guide sleeve and the second accelerating tube, so that the water flows into the area from the top of the second accelerating tube, flows to the position below the ascending air guide sleeve and then ascends again, and the flow path of the water is obviously increased by the arrangement mode, so that the reaction is fully performed.

More importantly, the flow speed of the water body can be reduced by increasing the flow path, the flow speed of the water body entering the sludge area is ensured not to be too large, and then the stability of the floc in the sludge area can be ensured.

9. The utility model provides a self-circulation high-density suspended sludge filtering and settling water purifying device, which further comprises: the water distribution guide cylinder is connected with the central reaction cylinder, and a floc gap is formed between the central reaction cylinder and the ascending guide cover.

By arranging the water distribution guide cylinder, floc sludge and the like left from the ascending guide pipe cannot directly enter the sludge area, but need to move downwards for a certain distance under the guidance of the water distribution guide cylinder and then ascend.

After passing through the water distribution guide cylinder, the water passing section is increased, the flow velocity of the water body is reduced at the moment, and then the water body slowly enters the inside of the semi-matured sludge collection area. Through the water distribution guide cylinder, the impact of the excessive water flow velocity on the flocs in the semi-cured sludge collection area can be avoided, and the normal reaction of the suspension area is further influenced.

10. According to the self-circulation high-density suspended sludge filtering and settling water purification device provided by the utility model, multiple times of acceleration operation can be carried out on a water body entering the self-circulation high-density suspended sludge filtering and settling water purification device through the synergistic effect of the first acceleration pipe, the second acceleration pipe and the ascending guide pipe, so that mixed water with multiple water inflow can be driven to participate in a reaction in a synergistic manner, the contact probability of a medicament and water is greatly improved, and the medicament is fully utilized.

11. According to the self-circulation high-density suspended sludge filtering and settling water purification device provided by the utility model, the sludge flowing through the cured sludge collecting region preferentially enters the sludge water collecting tank through the arrangement of the sludge inner return pipe, the sludge in the cured sludge collecting region can be driven to enter the mixing region again, and in the mixing region, the reaction time and the reaction degree between the cured sludge and a medicament can be effectively increased through circulation in the first flow channel and the second flow channel, so that the dosage of the medicament is saved.

Drawings

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

FIG. 1 is a schematic structural diagram of the self-circulation high-density suspended sludge filtration and sedimentation water purification device provided by the utility model;

FIG. 2 is a top view of the self-circulating high density suspended sludge filtration and sedimentation water purification apparatus shown in FIG. 1;

FIG. 3 is an enlarged partial view of the mixing zone provided in FIG. 1;

fig. 4 is a schematic structural diagram of another self-circulation high-density suspended sludge filtration and sedimentation water purification device provided by the utility model.

Description of reference numerals:

1. a water inlet part; 2. a water outlet part; 3. a first acceleration tube; 4. a sludge cover; 41. a floc gap; 42. a first inclined section; 43. a second inclined section; 44-a transition section; 5. a second acceleration pipe; 6-a vortex region; 7. an ascending conduit; 8. a hydraulic diffuser; 9-flocculation of the main reaction zone; 10. a circulating air guide sleeve; 11. a central reaction cylinder; 12. a water baffle; 121. a first water baffle; 122. a second water baffle; 13. a rising air guide sleeve; 14. a water distribution guide cylinder; 16-a three-phase separator plate; 17. a semi-matured sludge collection area; 19. a suspended sludge filtration and sedimentation zone; 20. a steady flow separation zone; 21. a pipe chute separation zone; 22. a clear water buffer zone; 23. a double-ring weir trough; 25-closing the plate; 26-an exhaust valve; 28. a mature sludge collecting area; 30. an internal sludge return pipe; 32. a semi-mature sludge hopper sludge discharge device; 33. curing the emptying pipe of the sludge hopper; 35. a housing; 40. a filter shell; 401. a purified water outlet; 50. a filter assembly; 60. a water conduit; 70. a water outlet pipe; 80. a partition plate; 90. a water pumping pipe; 100. a mixing zone; 101. a muddy water collection tank; 102. a first baffle plate; 103. a drainage plate; 104. and (7) leading out the tube.

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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes 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; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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 embodiment provides a self-circulation high-density suspended sludge filtering and settling water purification device, which is mainly applied to the fields of feed water coagulation purification, sewage treatment plant upgrading and reconstruction, rapid treatment of water bodies such as riverways, lakes, initial rainwater and the like; the coagulating sedimentation and heavy metal coagulating catching reaction of the steel electronic industry and the like are used in the coagulating sedimentation section in water treatment to remove suspended matters and turbidity in water, part of metal ions such as manganese, arsenic, ferric oxide and the like, total phosphorus, algae, part of organic matters and the like. In this embodiment, the self-circulation high-density suspended sludge filtration and sedimentation water purification device can be made of concrete, steel or polymer, and the high density refers to that the suspended sludge in the water body exceeds 4 g/L. As shown in fig. 1 to 4, includes:

a shell 35, on which a water inlet part 1 and a water outlet part 2 are arranged;

the housing 35 in this embodiment is of a vertical irregular cylindrical structure, and the self-circulation high-density suspended sludge filtration and sedimentation water purification device is arranged vertically after the installation is completed, as shown in fig. 1.

Specifically, the water inlet portion 1 is connected to external sewage, and may be a water inlet disposed on the housing 35 or a pipeline disposed on the housing 35. Similarly, the water outlet portion 2 may be a water outlet directly provided on the housing 35, or may be a pipe provided on the housing 35.

Simultaneously, in order to realize the operation of adding medicine, be provided with the pencil of adding medicine on portion 1 intakes, add pencil self and intake portion 1 and be connected.

The central reaction cylinder 11 is arranged inside the shell 35, and a flocculation reaction area is formed inside the central reaction cylinder 11;

in this application, mainly realize the processing to sewage through the flocculation and precipitation reaction. The flocculation precipitation reaction is a process of flocculation precipitation of particles in water. After a coagulant is added into the sewage, colloids and dispersed particles of suspended matters generate floccules under the interaction of molecular force, and the floccules collide with each other and are condensed in the sedimentation process, so that the size and the mass of the floccules are continuously increased, the sedimentation speed is continuously increased, alum flocs can be formed after the coagulant is added into the sewage, and then the flocculation precipitation phenomenon occurs.

In this embodiment, the type of the drug is not limited, and may be ferrous sulfate, polyaluminum chloride, aluminum chlorohydrate, or the like. The above medicines can be used for carrying out operations such as decoloration, deoiling, degerming, algae removal, heavy metal ion removal and the like on sewage.

Specifically, the central reaction cylinder 11 is disposed inside the main body, and is disposed coaxially with the main body, and the shape of the central reaction cylinder 11 itself is not limited, and may be cylindrical or rectangular. The reactants such as sludge and medicines entering from the outside can react in the process of introducing into the flocculation reaction zone and in the flocculation reaction zone.

The water body accelerating device is positioned in the shell 35 and at the downstream of the water inlet part 1, and can accelerate the water body flowing from the upstream, and the water outlet of the water body accelerating device is arranged towards the central reaction cylinder 11; in this embodiment, the structure of the water acceleration device is not limited, and the water acceleration device may be configured by a stirrer or the like as long as acceleration of water flow can be achieved.

As shown in fig. 1 and 2, the filter housing 40 is disposed on the inner wall of the housing, and a filter chamber is formed between the filter housing and the housing, and is suitable for filtering operation. In this embodiment, a purified water outlet is provided at a position corresponding to the filter cavity on the housing, and water obtained through purification can be led out to the outside through the purified water outlet 401, so as to perform subsequent operations.

Specifically, filter shell 40 adopts the metal material to make, and it can adopt welded mode processing on the inner wall of casing, simultaneously, in order to carry out inside installation operation, is provided with the manhole in the top of filtering shell 40 to make things convenient for operating personnel to pass in and out. Meanwhile, as shown in fig. 1, the purified water outlet 401 is disposed above the filter chamber, so that purified water can be conveniently led out.

In this embodiment, the shape of the filter housing 40 is not limited, and the filter housing is preferably annularly disposed on the inner wall of the housing 35.

The filter assembly 50 is arranged in the filter cavity, water needing to be purified enters from one end of the filter assembly 50 and then flows out from the other end of the filter assembly under the action of water pressure, so that the purification operation is realized, the water needing to be purified flows into the upper part of the filter assembly 50 in the direction shown in figure 1, and after the purification is finished, the purified water enters the lower end of the filter assembly 50.

Specifically, the structure of the filter assembly 50 is not limited, and PP cotton, granular coconut shell activated carbon, sintered activated carbon filter element, etc. may be used. As long as the water purification operation can be achieved.

A water conduit 60, one end of which is communicated with the water outlet part 2 and the other end of which acts on the upstream of the filtering component;

a water outlet pipe 70, one end of which acts on the downstream of the filtering component, and the other end of which is communicated with the purified water outlet; through setting up the leading water pipe, its self can be with the water that the purification that goes out water outlet portion flows obtains to the filter assembly in, carry out further filtration operation. After the further purification action of the filter assembly, the obtained water enters the water outlet pipe, and then the water outlet pipe further guides the water to the position of the purified water outlet, thereby realizing the purification operation.

Further, through set up the filter chamber in that the casing is inside, can utilize the inner space of casing effectively for self-loopa high density suspension mud filters heavy purifier can also realize the further purification operation to water on the basis that possesses basic water purification function.

In this embodiment, the water purification unit is subsided in self-loopa high density suspension mud filtration still includes: the partition plate is arranged in the filter cavity and used for dividing the filter cavity into a water purification area and a sewage area, and a through hole suitable for the water outlet pipe to penetrate is formed in the partition plate.

Through setting up the division board, can separate water purification and sewage, distinguish inside the purification operation that carries out sewage in the sewage, then shift the water purification that obtains to the water purification district through the outlet pipe and hold in and receive to further flow to the external world through the water purification delivery port. As shown in fig. 1, the water purification zone is disposed above the sewage zone.

Specifically, the two ends of the partition plate are respectively disposed on the inner wall of the housing and the inner wall of the filter housing 40, which may be connected by welding.

In this embodiment, one end of the water outlet pipe is disposed on the via hole, and water flowing out through the water outlet pipe directly enters the water purification area to be stored.

Further, in this embodiment, the method further includes: a suction pipe 90, one end of which extends outside the housing 35 and the other end of which extends inside the sewage zone and upstream of the filtering assembly.

Through setting up drinking-water pipe 90, after the drinking-water pipe starts, it will flow into to the water purification district through the drinking-water pipe this moment to be located the water purification of filtering component low reaches partly, and another part water purification will reverse flow to filtering component's upstream position under the negative pressure effect of drinking-water pipe, and at the reverse flow in-process of water, it can realize the washing operation to filtering component self, as shown in fig. 1, in the operation process of wasing, will upwards pass through filtering component and enter into filtering component's top for the water of filtering component below. After the reverse cleaning is finished, the sewage can be led out to the outside through the water pumping pipe, so that the filtering component is cleaned.

The sludge cover 4 is arranged outside the central reaction cylinder 11, a sludge area is formed between the sludge cover 4 and the central reaction cylinder 11, a floc gap 41 is formed between the central reaction cylinder 11 and the sludge cover 4, the sludge area is arranged at the downstream of the floc gap 41 and along the direction far away from the floc gap 41, and the sludge area comprises a semi-matured sludge collecting area 17 and a suspended sludge filtering and settling area 19;

specifically, as shown in fig. 1, the sludge cover 4 is disposed at an outer side position of the central reaction cylinder 11, and since the floc gap 41 is disposed between the central reaction cylinder 11 and the sludge zone, the floc sludge flowing out from the flocculation reaction zone flows into the sludge zone through the floc gap 41, and from bottom to top in the height direction, the floc sludge first becomes semi-matured sludge, and then forms matured sludge through continuous reaction with the chemical and the sewage in the ascending process.

In this embodiment, the external sewage, medicine and the like to be purified enter the water acceleration device through the water inlet portion 1, enter the central reaction cylinder 11 through the water acceleration device, and then perform flocculation operation in the flocculation reaction area of the central reaction cylinder 11, and the flocculation reaction gradually proceeds along with the rising action. After the primary flocculation is finished, the wastewater flows out of the central reaction cylinder 11 through the floc gap 41 and then enters a sludge area formed between the sludge cover 4 and the central reaction cylinder 11.

Inside the sludge zone, the flocculent sludge will be subjected to the following forces: due to the thrust from the action of the water body accelerating device, the flocculent sludge can generate buoyancy due to light weight, and the thrust and the buoyancy drive the flocculent sludge to move upwards; meanwhile, the flocculent sludge can also be subjected to self gravity, and the gravity drives the flocculent sludge to move downwards. Through the combined action of upward power and downward power, will make flocculated mud form the suspension state of disturbance, along with the gradual increase of flocculent mud, flocculent mud wholly goes on progressively climbing, and in the in-process of climbing, along with the gradual climbing of flocculent mud, flocculent mud will form half-ripe mud at first, then further the curing increase to help the abundant of purification reaction to go on.

By forming the suspension state, the flocculent sludge flowing out of the central reaction cylinder 11 is gradually intercepted in the semi-matured sludge, then the reaction is gradually carried out in the sludge zone, and simultaneously, the flocculent in the suspension state can intercept and adsorb small alum flocs, colloids and the like, thereby carrying out the subsequent purification reaction.

Compared with the prior art, the sewage purification device has the advantages that the purification effect on the sewage is better due to the formation of the suspension state, and the effluent suspended matters and turbidity are lower.

In the embodiment, a dynamic suspended sludge layer is formed, so that the ascending floc and colloid are intercepted and filtered, and the final effluent sensory index is excellent. Meanwhile, due to the arrangement of the water body speed reducing device, the hydraulic load in the unit volume is obviously increased, and finally, the occupied area is 1/15-1/20 of the traditional coagulating sedimentation, so that the space and the occupied area are saved.

More importantly, the sludge suspension layer has strong purification capacity to sewage, so that the impact load bearing capacity to the quality of the incoming water and the water quantity is strong, the sludge filter layer does not need backwashing, and the operation is convenient.

Preferably, in the self-circulation high-density suspended sludge filtration and sedimentation water purification device provided by this embodiment, the water acceleration device includes: and a first acceleration pipe 3 communicating with the water inlet portion 1, wherein at least a part of the first acceleration pipe 3 has a reduced inner diameter.

In the prior art, in order to accelerate the water entering the self-circulation high-density suspended sludge filtration and sedimentation water purification device, an independent impeller and other structures are usually required to be arranged in the water purification device, as shown in fig. 2, the water purification device drives the water through a propulsion stirrer and a negative pressure ejector to accelerate the water, and the structures need additional electric energy consumption. In this embodiment, take place to reduce through the inside at least partly internal diameter of restriction first accelerating tube 3, after sewage entered into first accelerating tube 3, because the internal diameter diminishes, will lead to rivers to accelerate, can realize unpowered pressurization this moment, need not mechanical stirring for holistic energy consumption reduces, makes things convenient for the later stage to maintain simultaneously.

The specific shape of the first acceleration pipe 3 itself is not limited, and the inside thereof may be provided with a constricted section, and for example, the constricted section may be provided inside the first acceleration pipe 3, and as a preferred embodiment, at least a part of the first acceleration pipe 3 is provided in a tapered shape as shown in fig. 1.

Further, in order to effectively improve the acceleration effect of the water body, the water body acceleration device further comprises: and a second acceleration pipe 5 which covers the first acceleration pipe 3, wherein at least a part of the second acceleration pipe 5 is arranged in a conical shape.

Specifically, the second acceleration pipe 5 is provided, and firstly, the water body can perform acceleration action inside the second acceleration pipe 5. Meanwhile, as the second accelerating tube 5 is arranged above the first accelerating tube 3, a certain gap is formed between the first accelerating tube and the second accelerating tube in the height direction. Meanwhile, since the flow velocity of the fluid inside the first accelerating tube 3 is large, the water pressure in the first accelerating tube 3 is relatively low at this time in accordance with the bernoulli principle. At the moment, floc sludge entering the inside of the sludge area spontaneously enters a gap between the first accelerating tube 3 and the second accelerating tube 5 under the action of pressure, then flows into the central reaction cylinder 11 again under the driving of the pressure to participate in the reaction again, so that the contact probability of the medicament and water is greatly improved, and the medicament is fully utilized. Meanwhile, the flocculent sludge can participate in the raw water mixing reaction for many times, and suspended matters and colloids of the raw water are removed through the sludge adsorption and net catching effects, so that the dosage of the medicament is saved.

More importantly, because the setting of second accelerating tube is in first accelerating tube top, and has certain gap in the direction of height between the two, because there is the negative pressure inside the second accelerating tube this moment, the second accelerating tube will carry out decurrent drainage operation to flocculent mud, consequently the flocculent mud that flows out in the flocculent breach will receive a decurrent adsorption affinity under the effect of negative pressure, the decurrent power that flocculent mud self received this moment will include self gravity and the adsorption affinity that second accelerating tube formed.

Through foretell mode of setting for the suspension state flocculent sludge that finally forms is more stable, and then makes follow-up flocculent sludge that flows out from central reaction cylinder intercept gradually in the sludge of becoming half ripe, then reacts at the mud district gradually, thereby further improves the throughput of suspension state flocculent sludge self to sewage.

The self-circulation high-density suspended sludge filtration and sedimentation water purification device provided by the embodiment further comprises an ascending conduit 7, as shown in fig. 1, a circulation diversion cover 10 is arranged at one end of the ascending conduit 7 corresponding to the second accelerating pipe 5, and the circulation diversion cover 10 covers the periphery of the second accelerating pipe 5.

Specifically, the ascending pipe 7 is disposed above the second accelerating pipe 5, the top of the ascending pipe 7 is provided with a hydraulic diffuser 8, the hydraulic diffuser 8 is disposed in an open shape, and the inner diameter of the top is larger than that of the bottom, so that the floc sludge can stably flow out to the area between the upper water pipe and the central reaction cylinder 11 through the hydraulic diffuser 8.

Further, as shown in FIG. 1, between the ascending conduit 7 and the central reaction cylinder 11, a flocculation main reaction zone 9 is formed, and the flocculation operation is carried out in the flocculation main reaction zone 9.

In this embodiment, the diameter of riser 7 itself is one fourth to one third of the diameter of central reaction cylinder 11, through foretell size setting mode for after the water body that flows out through riser 7 enters into flocculation main reaction zone 9, because the space grow in the twinkling of an eye, consequently reduce water conservancy stirring degree effectively, make the flocculation reaction even and not violent, guaranteed the stable in structure of floc alum floc, it is broken to reduce alum floc, and then can improve the flocculation effect in flocculation reaction zone 9 effectively, finally improve the purification ability to sewage.

The self-loopa high density suspension mud strains heavy purifier that this embodiment provides still includes the breakwater, the breakwater includes:

a first water baffle 121, one end of which is connected to the inner wall of the central reaction cylinder 11 and the other end of which extends toward the second acceleration pipe 5;

specifically, the first water baffle 121 and the inner wall of the central reaction cylinder 11 form an obtuse angle, and the included angle ranges from 100 degrees to 145 degrees;

and a second water baffle 122 connected to the other end of the first water baffle 121, wherein one end of the second water baffle 122 extends into a region between the circular diversion cover 10 and the second accelerating tube 5, and a water body turns to flow of the circular diversion cover 10 at a joint of the first water baffle 121 and the second water baffle 122.

Specifically, the second water baffle 122 is disposed at an acute angle with the first water baffle 121, and as shown in fig. 1, when the water flowing out of the second water baffle 122 collides with the first water baffle 121, a turning action toward the upper side occurs, and further enters the inside of the circular dome 10.

Through setting up first breakwater 121, can block the water body that flows out from the ascending pipe 7 top, after the water body flows to first breakwater 121, can lead the water body to second breakwater 122 position. By arranging the second water baffle 122, when the water body flows to the joint of the first water baffle 121 and the second water baffle 122, a part of the water body turns to the inside of the circular guide cover 10, and meanwhile, because the second water baffle 122 extends into the area between the circular guide cover 10 and the second accelerating tube 5, the other part of the water body continues to flow downwards and enters the inside of the sludge area through the floc gap 41.

More importantly, one path of water flowing out of the second water baffle 122 flows upwards, the other path of water flows downwards, for the path flowing upwards, when the water body is ready to enter the second-stage ascending guide pipe 7, the joint of the circulating guide cover 10 and the ascending guide pipe 7 is subjected to diameter reduction, then a space is formed at the diameter reduction position, the flow speed of the diameter reduction position is high, and the introduction pressure is relatively low. Therefore, pressure difference is formed between the reducing part and the ascending guide pipe 7, the water body positioned outside the ascending guide pipe 7 acts on the reducing part under pressure, at the moment, because the water flow speed is high, the water flow can form the vortex area 6 at the reducing part, and the speed gradient (G value) of the fluid in the vortex area 6 is high, so that the floc can be quickly mixed, the speed reduction reaction progress is facilitated, and the purification effect is improved.

In this embodiment, as shown in fig. 1, the method further includes: and the ascending air guide sleeve 13 is arranged on the outer wall of the second accelerating tube 5, the second water baffle 122 extends into the area between the ascending air guide sleeve 13 and the second accelerating tube 5, and the ascending air guide sleeve 13 is communicated with the floc gap 41.

Specifically, the ascending air guide sleeve 13 is of a structure with openings at the top and the bottom, the bottom of the ascending air guide sleeve 13 is arranged on the second accelerating tube 5, and the ascending air guide sleeve 13 and the second accelerating tube 5 can be integrally formed and can also be connected in a welding mode and the like.

Since the second baffle 122 is disposed in the region between the ascending air guide sleeve 13 and the second accelerating tube 5, the water flowing into the water body from the top of the second accelerating tube 5 flows to the position below the ascending air guide sleeve 13 and then ascends again, and by the above arrangement, the flow path of the water body is significantly increased, thereby facilitating the reaction to be fully performed.

More importantly, the flow speed of the water body can be reduced by increasing the flow path, the flow speed of the water body entering the sludge area is ensured not to be too large, and then the stability of the floc in the sludge area can be ensured. Meanwhile, as the flocculent sludge and the like rise in the rising air guide sleeve 13, the flocculent sludge flowing out of the rising air guide sleeve 13 has a certain upward speed, and further contributes to rising in the sludge area in the later period.

The self-loopa high density suspension mud strains and sinks purifier that this embodiment provided still includes: the water distribution guide cylinder 14 is connected with the central reaction cylinder 11, and the floc gap 41 is formed between the central reaction cylinder 11 and the ascending guide cover 13.

By arranging the water distribution guide cylinder 14, floc sludge and the like left from the ascending conduit 7 cannot directly enter the sludge area, but need to move downwards for a certain distance under the guidance of the water distribution guide cylinder 14 and then ascend. After passing through the water distribution guide cylinder 14, the water passing section is increased, the flow velocity of the water body is reduced at the moment, and then the water body slowly enters the semi-mature sludge collection area 17. Through the water distribution guide cylinder 14, the impact of the excessive water flow speed on the flocs in the semi-cured sludge collection area 17 can be avoided, and the normal reaction of the suspension area is further influenced. As shown in fig. 1, specifically, the water distribution guide cylinder 14 extends downward.

In the self-circulation high-density suspended sludge filtration and sedimentation water purification device provided by this embodiment, the water distribution draft tube 14 is provided with a plurality of air holes. Since the water flowing out of the ascending guide housing 13 collides with the first water guard 121, gas remains in the area below the first water guard 121. Influence the normal passing of water, through setting up the exhaust hole for the top of water distribution draft tube 14 does not have too much gas and takes place the gathering, thereby helps reducing the resistance that enters into the inside water in mud district, finally helps the stability in suspension district.

Specifically, the shape of the vent hole itself is not limited, and it may be a circular hole shape, an oval shape, or an irregular shape as long as the discharge of the air flow can be achieved.

In this embodiment, in the height direction, the sludge cover 4 includes:

the first inclined section 42 corresponds to the suspended sludge filtering and settling area 19, a mature sludge collecting area 28 is formed between the first inclined section 42 and the shell 35, and a plurality of three-phase separation plates 16 are arranged on the first inclined section 42;

specifically, the first inclined section 42 is connected at its top end to the inner wall of the housing 35 and at its lower end to the top of the transition section 44.

Through setting up three-phase separation board 16, because three-phase separation board 16 is connected with casing 35 inner wall, after the floc rises through three-phase separation board 16, because the section of crossing water increases suddenly for the velocity of flow of fluid such as floc takes place to reduce, and then helps reducing the velocity of flow of floc etc. helps going on of purification reaction.

A transition section 44 corresponding to the semi-matured sludge collection area 17; in particular, the transition section 44 itself extends in the vertical direction.

A second inclined section 43, into which second inclined section 43 the water exiting through the floc gaps 41 enters.

As shown in fig. 1, the top opening of the second inclined section 43 is larger than the bottom opening, the floc gap 41 is arranged at the middle position of the second inclined section 43, and a part of flocs flowing out of the floc gap 41 flows toward the upper position of the second inclined section 43, and the other part flows toward the lower position of the second inclined section 43.

In this embodiment, as shown in fig. 3, the self-circulation high-density suspended sludge filtration and sedimentation water purification apparatus further includes: a mixing zone 100 disposed between the water inlet part 1 and the first accelerating tube 3 and communicated with the water inlet part 1, the mixing zone comprising: the muddy water collecting tank 101 is connected with the first accelerating pipe 3 and is provided with a water outlet; a first baffle plate 102 arranged at the downstream of the water outlet of the muddy water collecting tank, wherein a first flow passage is formed between the first baffle plate and the muddy water collecting tank; and the drainage plate 103 is arranged on the outer wall of the muddy water collecting tank, a second flow channel is formed between the drainage plate and the first baffle, the first flow channel is communicated with the second flow channel, and fluid flowing out from an outlet of the second flow channel is suitable for entering the first accelerating tube 3. And the inlet end of the sludge internal return pipe 30 enters the cured sludge collecting area 28, and the other end of the sludge internal return pipe is communicated with the sludge collecting tank.

Specifically, the fluid flowing out through the muddy water collecting tank 101 flows first into the first flow channel and then flows again into the second flow channel. By flowing in the first flow passage and the second flow passage, the reaction time between the sludge and the sewage and the medicament can be effectively increased, and therefore, the use amount of the medicament can be effectively reduced.

In this embodiment, the outlet of the drainage plate is communicated with a delivery pipe 104, and the other end of the delivery pipe extends towards the return pipe 28 in the sludge. Through the arrangement mode, a part of mud-water mixture only matures in the sludge collecting area 28 and then is introduced into the inside of the mud-water collecting tank 101 again under the action of the suction force to perform subsequent reaction, so that the utilization efficiency of the medicament can be effectively improved.

In this embodiment, a sludge internal return pipe 30 is disposed on the sludge collection tank, and an inlet end of the sludge internal return pipe 30 enters the cured sludge collection area 28.

Specifically, as shown in fig. 1, the lower end of the internal sludge return pipe 30 extends into the cured sludge collecting region 28, because the flow velocity of water inside the sludge collecting tank is high, the pressure inside the sludge collecting tank 101 is reduced, by arranging the internal sludge return pipe 30, cured sludge in the cured sludge collecting region 28 can be adsorbed, then the sludge enters the sludge collecting tank again under the action of suction force, by arranging the internal sludge return pipe, the sludge flowing through the cured sludge collecting region preferentially enters the inside of the sludge collecting tank, sludge flowing out of a floc gap and flowing downwards participates in the circulation reaction again, because the adsorption capacity of the cured sludge is strong, raw water suspended matters and part of colloid can be removed, and the dosage of chemicals is saved.

In this embodiment, the second inclined section 43 is connected to a semi-mature sludge hopper and sludge discharge device 32. One end of the semi-cured sludge collector is connected to the position below the second inclined section 43, and the other end extends to the outer side of the shell 35.

In this embodiment, the method further includes: the steady flow separation zone 20 is arranged above the suspended sludge filtering and settling zone 19; an inclined tube separation zone 21 arranged above the steady flow separation zone 20; and a clean water buffer area 22 disposed above the inclined tube separation area 21, wherein the water flowing out through the clean water buffer area 22 is suitable for entering the water outlet portion 2.

Enters the inclined tube separation zone 21 through the steady flow separation zone 20 for mud-water separation. The inclined tube separation area 21 only receives a few residual flocs for inclined tube separation, thereby greatly reducing the separation load and avoiding the defect of sludge blockage in an inclined tube channel. The micro-flocs are gathered in the bottom layer channel of the inclined tube, the density of the micro-flocs is increased, the micro-flocs slide down, and the micro-flocs enter the suspended sludge filtering and settling area 19 again to participate in the reaction again.

As shown in fig. 1, the inclined pipe separation area 21 itself is provided with a plurality of pipes which are parallel to each other and inclined at a certain angle. The flow stabilizing separation zone 20 is provided with a blank interior in which no redundant structures are provided. By arranging the steady flow separation zone 20, high-quality flocs can flow back to the suspended sludge filtering and settling zone 19, and then low-quality flocs and clean water can continuously float upwards.

In this embodiment, the method further includes: and the double-ring weir notch 23 is arranged in the shell 35 and is positioned above the clear water buffer zone 22, and a water outlet of the double-ring weir notch 23 is connected with the water outlet part 2. After passing through the inclined tube separation area 21, the water flow enters the double-ring weir notch 23 through the transitional action of the clear water buffer area 22. Unnecessary micro-suspended matter entering is reduced. Meanwhile, due to the double-ring design, the weir crest load is reduced, so that the water outlet is more uniform, and short flow cannot occur. As shown in fig. 2, the double-ring weir grooves 23 are communicated with each other, so as to further ensure the uniformity of the discharged water.

In this embodiment, the method further includes: and the second instrument connecting pipe is arranged on the shell 35, and is internally provided with a mud layer interface instrument which is suitable for detecting the concentration of the inclined pipe separation area 21 and is in communication connection with the semi-mature mud collecting hopper mud discharging device 32.

Through the synergistic effect between the inside mud layer interface appearance of second instrument takeover and the motorised valve, can carry out automatic extraction with mud of mud cover 4 below, improve extraction efficiency effectively.

In this embodiment, a curing sludge collecting hopper emptying pipe 33 is arranged below the curing sludge collecting region 28, the curing sludge collecting hopper emptying pipe 33 is communicated with the curing sludge collecting region 28, and the bottom of the pipe is close to the bottom of a curing sludge collecting cone, so that the internal sludge can be completely taken out at the initial stage of emptying operation.

Further, as shown in fig. 1, in this embodiment, a plurality of sludge sampling pipes are disposed in the matured sludge collection area 28 along the height direction.

As shown in figure 1, three groups of sludge sampling pipes are arranged along the height direction, and the sludge sampling pipes are positioned at the reducing position of the lower part of the equipment shell 35, are arranged at intervals at vertical heights, penetrate through the side wall of one side of the conical hopper of the sludge collecting area of the aged sludge and are communicated with each other. Specifically, the sludge samples of co-altitude not can be got to three mud sampling tubes of group to judge inside flocculating constituent filtering layer shaping degree, thereby help carrying out subsequent row mud operation.

In this embodiment, as shown in fig. 1, the reactor further includes an exhaust valve 26 and a sealing plate 25, the exhaust valve 26 and the sealing plate 25 are both disposed on the top of the casing 35, the exhaust valve 26 is communicated with the top of the central reaction cylinder 11, and the central reaction cylinder 11 is filled with a pressure flow to discharge internal air in time, so as to avoid air lock and make full use of the reaction space.

Example 2

The present embodiment is made on the basis of embodiment 1, and in this embodiment, the upper portion of the housing 35 may also be provided in a closed shape, in which case, a closed structure is provided at the top of the housing.

Specifically, as shown in fig. 4, by limiting the top of the housing 35 to be closed, a certain water pressure can be formed inside the housing, so that the filtering speed can be increased, and the self-circulation high-density suspended sludge filtration and sedimentation water purification device can be increased in treatment capacity.

Meanwhile, the top structure of the housing 35 is not limited, and as shown in fig. 4, the top of the housing is disposed in a shrinking shape, and may be a stepped structure or an arc structure. As long as a closing action is possible.

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 utility model.

Claims (17)

1. The utility model provides a water purification unit is subsided in filtration of self-loopa high density suspension mud which characterized in that includes:

a shell (35) which is provided with a water inlet part (1) and a water outlet part (2);

the central reaction cylinder (11) is arranged inside the shell (35), and a flocculation reaction area is formed inside the central reaction cylinder (11);

the water body accelerating device is positioned in the shell (35) and is positioned at the downstream of the water inlet part (1), and a water outlet of the water body accelerating device is arranged towards the central reaction cylinder (11);

the filter shell is arranged on the inner wall of the shell (35), a filter cavity is formed between the filter shell and the shell (35), and a purified water outlet is formed in the part, corresponding to the filter cavity, of the shell (35);

a filter assembly disposed in the filter cavity;

one end of the water conduit is communicated with the water outlet part (2), and the other end of the water conduit acts on the upstream of the filtering component;

one end of the water outlet pipe acts on the downstream of the filtering component, and the other end of the water outlet pipe is communicated with the purified water outlet;

and the exhaust valve (26) and the closing plate (25) are respectively arranged at the top of the shell (35), and the exhaust valve (26) is communicated with the top of the central reaction cylinder (11).

2. The self-circulating high-density suspended sludge filtration-sedimentation water purification device according to claim 1, further comprising:

the partition plate is arranged in the filter cavity and used for dividing the filter cavity into a water purification area and a sewage area, and a through hole suitable for the water outlet pipe to penetrate is formed in the partition plate.

3. The self-circulating high-density suspended sludge filtration-sedimentation water purification device as claimed in claim 2, wherein one end of the water outlet pipe is disposed on the via hole.

4. The self-circulating high-density suspended sludge filtration and sedimentation water purification device according to claim 3, further comprising:

and one end of the water pumping pipe extends to the outer side of the shell (35), and the other end of the water pumping pipe extends to the inside of the sewage area and is positioned at the upstream of the filtering component.

5. The self-circulating high-density suspended sludge filtration-sedimentation water purification apparatus as claimed in claim 1, wherein the filter casing is annularly provided on an inner wall of the housing (35).

6. The self-circulating high-density suspended sludge filtration and sedimentation water purification device according to any one of claims 1 to 5, further comprising:

mud cover (4), set up central reaction cylinder (11) outside, central reaction cylinder (11) with be formed with floc breach (41) between mud cover (4), mud cover (4) with be formed with the mud district between central reaction cylinder (11), the mud district sets up the low reaches of floc breach (41), along keeping away from the direction of floc breach (41), the mud district is including half ripe mud collection mud district (17) to and suspension mud strains heavy district (19).

7. The self-circulating high-density suspended sludge filtration and sedimentation water purification device according to claim 6, wherein the water body acceleration device comprises:

a first acceleration pipe (3) disposed downstream of the water inlet portion (1), at least a portion of the first acceleration pipe (3) having a reduced inner diameter.

8. The self-circulating high-density suspended sludge filtration-sedimentation water purification apparatus as claimed in claim 7, wherein at least a part of the first acceleration pipe (3) is provided in a tapered shape.

9. The self-circulating high-density suspended sludge filtration and sedimentation water purification device according to claim 8, wherein the water body acceleration device further comprises:

and the second accelerating tube (5) is covered above the first accelerating tube (3), and at least one part of the second accelerating tube (5) is arranged in a conical shape.

10. The self-circulation high-density suspended sludge filtration-sedimentation water purification device as claimed in claim 9, further comprising an ascending conduit (7), wherein a circulation dome (10) is disposed at one end of the ascending conduit (7) corresponding to the second accelerating pipe (5), and the circulation dome (10) is covered on the periphery of the second accelerating pipe (5).

11. The self-circulating high-density suspended sludge filtration-sedimentation water purification device according to claim 10, further comprising a water baffle, the water baffle comprising:

one end of the first water baffle (121) is connected with the inner wall of the central reaction cylinder (11), and the other end of the first water baffle extends towards the second accelerating tube (5);

and the second water baffle (122) is connected with the other end of the first water baffle (121), one end of the second water baffle (122) extends into the area between the circulating air guide sleeve (10) and the second accelerating tube (5), and water body turns to the flow of the circulating air guide sleeve (10) at the joint of the first water baffle (121) and the second water baffle (122).

12. The self-circulating high-density suspended sludge filtration-sedimentation water purification device according to claim 11, further comprising: the ascending air guide sleeve (13) is arranged on the outer wall of the second accelerating tube (5), the second water baffle (122) extends to the area between the ascending air guide sleeve (13) and the second accelerating tube (5), and the ascending air guide sleeve (13) is communicated with the floc gap (41).

13. The self-circulating high-density suspended sludge filtration-sedimentation water purification device according to claim 12, further comprising: a water distribution draft tube (14), the water distribution draft tube (14) with central reaction tube (11) is connected, central reaction tube (11) with it forms to rise between kuppe (13) floc breach (41).

14. The self-circulating high-density suspended sludge filtration and sedimentation water purification device according to claim 7, wherein the sludge hood (4) comprises in height direction:

the first inclined section (42) corresponds to the suspended sludge filtering and settling area (19), a cured sludge collecting area (28) is formed between the first inclined section (42) and the shell (35), and a plurality of three-phase separation plates (16) are arranged on the first inclined section (42);

a transition section (44) corresponding to the semi-matured sludge collection zone (17);

a second inclined section (43), into which second inclined section (43) the water exiting through the floc gaps (41) enters.

15. The self-circulating high-density suspended sludge filtration-sedimentation water purification device according to claim 14, further comprising:

a mixing zone (100) disposed between the water intake portion (1) and the first accelerating tube (3) and communicated with the water intake portion (1), the mixing zone comprising:

the mud water collecting tank (101) is connected with the first accelerating pipe (3) and is provided with a water outlet;

a first baffle (102) arranged downstream of the outlet of the slurry collection tank, a first flow channel being formed between the first baffle and the slurry collection tank;

the drainage plate (103) is arranged on the outer wall of the muddy water collecting tank, a second flow channel is formed between the drainage plate and the first baffle, the first flow channel is communicated with the second flow channel, and fluid flowing out from an outlet of the second flow channel is suitable for entering the first accelerating tube (3).

16. The self-circulating high-density suspended sludge filtration-sedimentation water purification device of claim 15, further comprising: the inlet end of the sludge inner return pipe (30) enters the cured sludge collecting area (28), and the other end of the sludge inner return pipe is communicated with the sludge collecting tank.

17. The self-circulation high-density suspended sludge filtration and sedimentation water purification device as claimed in claim 16, wherein the outlet of the flow guide plate is communicated with a delivery pipe (104), and the other end of the delivery pipe extends towards the sludge internal return pipe.

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