CN112607919A

CN112607919A - Layered sewage treatment equipment

Info

Publication number: CN112607919A
Application number: CN202110044273.6A
Authority: CN
Inventors: 曹芳芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-04-06

Abstract

The invention discloses layered sewage treatment equipment which comprises a pretreatment box, a purification box, a water storage box, a lifting pump box, an isolation screen plate, a first motor, a knife rest, a dragon shaft, a spiral conveying blade, a water pressure sensor, an impeller, a second motor, a lifting pipe, a filter box, a controller, a base, an ozone generator and an arc scraper. According to the invention, the arc scraper is matched with the torsion spring, so that the cutter head of the arc scraper can extend into the meshes of the isolation screen plate, the impurity scraping effect is improved and the loss of the arc scraper is reduced compared with the traditional scraper, the energy-saving and environment-friendly mode of regularly starting and scraping is adopted, the controller receives the water pressure signal of the water pressure sensor to adjust the starting, stopping and rotating speed of the second motor, the phenomenon that the motor is damaged by idling is avoided, the energy-saving effect is good, the sewage filtering efficiency is improved in a bottom-up filtering mode in the filter box, the sludge discharge is convenient, the design is reasonable, and the management cost is reduced.

Description

Layered sewage treatment equipment

Technical Field

The invention relates to the technical field of sewage treatment, in particular to layered sewage treatment equipment.

Background

With the development of science and technology, environmental pollution is a serious problem, and among them, the treatment of sewage is a serious environmental problem. The sewage comprises industrial sewage and domestic sewage, and if the sewage cannot be completely purified, the sewage is directly discharged and can enter a water circulation system of the earth again, so that the ecological environment is destroyed, and the sewage also enters a human body to influence the health of human beings.

At present, the large granule impurity to sewage passes through the filter screen earlier in the filtration treatment process of sewage generally and filters, then utilize the gravity of sewage to filter from the filter, however impurity piles up influence filtration efficiency easily on the filter, and filter large granule impurity at the filter screen and be that large granule impurity blocks up the mesh easily and influence filtration efficiency, the power consumption that is used for the elevator pump of water delivery simultaneously in sewage treatment's in-process is big, it is not enough energy-conserving, there is the phenomenon of elevator pump idle running, influence the life-span of elevator pump.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

The invention aims to provide a layered sewage treatment device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a layered sewage treatment device comprises a pretreatment box, a purification box, a water storage tank, a lifting pump box, an isolation screen plate, a first motor, a knife rest, a dragon shaft, a spiral conveying blade, a water pressure sensor, an impeller, a second motor, a lifting pipe, a filter box, a controller, a base, an ozone generator and an arc scraper, wherein the pretreatment box, the lifting pump box, the purification box and the water storage tank are sequentially fixed on the base, the isolation screen plate is fixed on the inner wall of the pretreatment box, one side of the isolation screen plate is provided with a water inlet pipe leading into the inner side of the isolation screen plate, the first motor is installed at the top end of the pretreatment box, the output end of the first motor is connected with the dragon shaft positioned inside the pretreatment box, the spiral conveying blade and the knife rest are installed on the dragon shaft, a plurality of installation positions are arranged on two sides of the knife rest, a support rod is installed in the installation positions, and, torsion springs are installed on two sides of the arc-shaped scraper, a drain outlet is formed in the bottom end of the pretreatment tank, the pretreatment tank is connected with a water inlet of the lift pump tank through a communicating pipe, a water pressure sensor is installed on the communicating pipe and connected with a data input port of a controller, an output end of the controller is connected with the second motor, the second motor is installed on one side of the lift pump tank and is in driving connection with an impeller located inside the lift pump tank, a water outlet end of the lift pump tank is connected with a filter tank fixed with the water storage tank through a lifting pipe, the interior of the filter tank is divided into an upper chamber and a lower chamber, an ultrafiltration membrane layer, a heavy metal adsorbent filling layer, an activated carbon layer, a gravel ceramic layer and a spray plate are arranged between the upper chamber and the lower chamber, and the ultrafiltration membrane layer, the heavy metal adsorbent filling layer, the activated carbon layer and the gravel ceramic layer are connected, the utility model discloses a gravel ceramic layer's bottom is equipped with a plurality of evenly distributed's nozzle, spout the board and locate gravel ceramic layer's below and communicate with the riser, the top of spouting the board is equipped with a plurality of evenly distributed's nozzle, the bottom of spouting the board is equipped with evenly distributed's outlet, one side of cavity is connected with the mud pipe down, top one side of going up the cavity is through first overflow pipe and purifying box intercommunication, the bottom internally mounted of purifying box has ozone generator, one side of purifying box department near its top is through second overflow pipe and storage water tank intercommunication.

Furthermore, install the blowoff valve on the drain, install the mud valve on the mud pipe, the inside of controller is equipped with the timing module that control blowoff valve, mud valve and first motor regularly opened.

Further, evenly distributed installs the air cock at the purifying box inner wall is connected to ozone generator's output, install one-way pneumatic valve on the air cock, the inside of purifying box still installs the agitator.

Furthermore, the heavy metal adsorbent filling layer, the activated carbon layer and the gravel ceramic layer are all coated by the metal net plated with the nano-silver coating.

Furthermore, one side of the water storage tank is provided with a water outlet, a second ultrafiltration membrane layer is arranged inside the water storage tank, and one side of the water storage tank is provided with an access door.

Furthermore, the ultrafiltration membrane layer, the heavy metal adsorbent filling layer, the activated carbon layer and the gravel ceramic layer are sequentially arranged from top to bottom.

Further, the activated carbon layer is the one deck at least, the one end of inlet tube is connected with the rotating tube through the bearing, the one end outside of rotating tube passes through the belt by the motor and drives, the scraper is installed through the pin to the inner wall of inlet tube near rotating tube department.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the layered sewage treatment equipment, large-particle impurities are filtered through the isolation screen plate, the arc-shaped scraper is driven by the first motor to scrape the impurities of the isolation screen plate, the arc-shaped scraper is matched with the torsion spring, so that the cutter head of the arc-shaped scraper can extend into meshes of the isolation screen plate, the effect of scraping the impurities is improved and the loss of the arc-shaped scraper is reduced compared with a traditional scraper, the timed-opening scraping mode is adopted, energy is saved, the environment is protected, and the impurities can be rapidly output towards a sewage discharge outlet when the sewage discharge outlet is opened through the rotation of the spiral conveying blade;

2. according to the invention, the water pressure sensor is used for detecting a water pressure signal before entering the lift pump box, the controller is used for receiving the water pressure signal of the water pressure sensor, when the water pressure is small, the controller is used for controlling the rotating speed of the second motor of the lift pump box to be reduced, the output power of the second motor is reduced, when the water pressure is not detected, the controller is used for controlling the second motor of the lift pump box to be closed, the phenomenon that the motor is damaged by idling is avoided, and meanwhile, the energy-saving effect is good;

3. the sewage lifted into the filter box is sequentially filtered into the upper cavity through the gravel ceramic layer, the activated carbon layer, the heavy metal adsorbent filling layer and the ultrafiltration membrane layer above the lower cavity and overflows into the purification box for ozone disinfection, the sludge is not easily adsorbed on the gravel ceramic layer at the bottommost layer due to the action of gravity in the process, and meanwhile, the sewage can be cleaned through the nozzles of the spray plates while being lifted, so that efficient filtration is realized, the management cost is reduced, in addition, the sewage enters the lower cavity after passing through the drain holes of the spray plates, the sludge in the lower cavity can be washed away when the sludge discharge pipe is conducted, and the sludge discharge is facilitated.

Drawings

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

Fig. 1 is a schematic structural diagram of a layered sewage treatment apparatus according to an embodiment of the present invention.

Fig. 2 is an enlarged schematic view of fig. 1A according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a spray plate structure of a layered sewage treatment device according to an embodiment of the invention.

Fig. 4 is a partial structural schematic diagram of a layered sewage treatment device according to an embodiment of the invention.

Fig. 5 is a partial cross-sectional structural schematic view of fig. 4 according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of a water storage tank structure of a layered sewage treatment device according to an embodiment of the invention.

Fig. 7 is a schematic side view of a water storage tank of a layered sewage treatment device according to an embodiment of the invention.

Reference numerals:

1. a pretreatment tank; 2. a purification box; 3. a water storage tank; 4. lifting the pump box; 5. isolating the screen plate; 6. a first motor; 7. a tool holder; 8. a dragon shaft; 9. spirally conveying the sheet; 10. a sewage draining outlet; 11. a blowoff valve; 12. a communicating pipe; 13. a water pressure sensor; 14. an impeller; 15. a second motor; 16. a water inlet pipe; 17. a riser tube; 18. a filter box; 19. an upper chamber; 20. a lower chamber; 21. spraying a plate; 22. a gravel ceramic layer; 23. an activated carbon layer; 24. a heavy metal adsorbent filling layer; 25. an ultrafiltration membrane layer; 26. a first overflow pipe; 27. a one-way valve; 28. a second overflow tube; 29. a sludge discharge pipe; 30. a mud valve; 31. a controller; 32. a base; 33. an ozone generator; 34. an air tap; 35. a one-way air valve; 36. a water drain hole; 37. a nozzle; 38. an installation position; 39. a strut; 40. an arc-shaped scraper; 41. a torsion spring; 42. an anti-clogging mechanism; 43. a stirrer; 44. a second ultrafiltration membrane layer; 45. rotating the tube; 46. a motor; 47. a belt; 48. a scraper; 49. a bearing; 50. a pin; 51. an access door.

Detailed Description

The invention is further described with reference to the following drawings and detailed description:

in the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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.

Referring to fig. 1-7, a layered sewage treatment apparatus according to an embodiment of the present invention includes a pretreatment tank 1, a purification tank 2, a water storage tank 3, a lift pump tank 4, an isolation screen 5, a first motor 6, a knife rest 7, a spindle 8, a spiral conveying blade 9, a water pressure sensor 13, an impeller 14, a second motor 15, a lift pipe 17, a filter tank 18, a controller 31, a base 32, an ozone generator 33, and an arc scraper 40, wherein the pretreatment tank 1, the lift pump tank 4, the purification tank 2, and the water storage tank 3 are sequentially fixed on the base 32, the isolation screen 5 is fixed on an inner wall of the pretreatment tank 1, a water inlet pipe 16 passing through an inner side of the isolation screen 5 is disposed on one side of the isolation screen 5, the first motor 6 is disposed at a top end of the pretreatment tank 1, an output end of the first motor 6 is connected to the spindle 8 disposed inside the pretreatment tank 1, the spindle 8 is provided with the spiral conveying blade 9 and the knife, a plurality of mounting positions 38 are arranged on two sides of the knife rest 7, a support rod 39 is arranged in each mounting position 38, an arc scraper 40 is rotatably connected onto each support rod 39, torsion springs 41 are arranged on two sides of each arc scraper 40, a sewage discharge outlet 10 is arranged at the bottom end of the pretreatment tank 1, the pretreatment tank 1 is connected with a water inlet of the lift pump tank 4 through a communication pipe 12, a water pressure sensor 13 is arranged on each communication pipe 12, the water pressure sensor 13 is connected with a data input port of a controller 31, the output end of the controller 31 is connected with a second motor 15, the second motor 15 is arranged on one side of the lift pump tank 4 and is in driving connection with an impeller 14 positioned inside the lift pump tank 4, the water outlet end of the lift pump tank 4 is connected with a filter tank 18 fixed with the water storage tank 3 through a lift pipe 17, the inside of the filter tank 18 is divided into an upper chamber 19 and a lower chamber 20, an ultrafiltration membrane layer 25, a, The device comprises an activated carbon layer 23, a gravel ceramic layer 22 and a spray plate 21, an ultrafiltration membrane layer 25, a heavy metal adsorbent filling layer 24, the activated carbon layer 23 and the gravel ceramic layer 22 are connected together, the spray plate 21 is arranged below the gravel ceramic layer 22 and communicated with a riser 17, a plurality of nozzles 37 which are uniformly distributed are arranged at the top end of the spray plate 21, drain holes 36 which are uniformly distributed are arranged at the bottom end of the spray plate 21, a mud discharge pipe 29 is connected to one side of a lower chamber 20, one side of the top end of an upper chamber 19 is communicated with a purification box 2 through a first overflow pipe 26, an ozone generator 33 is arranged inside the bottom end of the purification box 2, and one side of the purification box 2 close to the top end is communicated with a water storage tank.

Through the scheme of the invention, the drain outlet 10 is provided with the drain valve 11, the sludge discharge pipe 29 is provided with the sludge discharge valve 30, and the controller 31 is internally provided with the timing module for controlling the timing opening of the drain valve 11, the sludge discharge valve 30 and the first motor 6, so that the energy-saving and environment-friendly effects are achieved.

Through the scheme of the invention, the output end of the ozone generator 33 is connected with the air nozzles 34 which are uniformly distributed and installed on the inner wall of the purification box 2, the one-way air valve 35 is installed on the air nozzles 34, and the stirrer 43 is also installed inside the purification box 2 to ensure that the internal disinfection is more uniform.

According to the scheme of the invention, the heavy metal adsorbent filling layer 24, the activated carbon layer 23 and the gravel ceramic layer 22 are coated by the metal net plated with the nano-silver coating, so that the high-density nano-silver activated carbon has good firmness and antibacterial performance.

Through the scheme of the invention, a water outlet is arranged on one side of the water storage tank 3, the second ultrafiltration membrane layer 44 is arranged inside the water storage tank 3 for secondary filtration after disinfection, so that the water quality is improved, and an access door 51 is arranged on one side of the water storage tank 3 for facilitating internal access.

Through the scheme of the invention, the ultrafiltration membrane layer 25, the heavy metal adsorbent filling layer 24, the activated carbon layer 23 and the gravel ceramic layer 22 are sequentially arranged from top to bottom.

According to the scheme of the invention, the activated carbon layer 23 is at least one layer, one end of the water inlet pipe 16 is connected with the rotating pipe 45 through the bearing 49, the outside of one end of the rotating pipe 45 is driven by the motor 46 through the belt 47, the scraper 48 is installed on the inner wall of the water inlet pipe 16 close to the rotating pipe 45 through the pin 30, and the motor 46 drives the rotating pipe 45 to rotate so that the scraper 48 rotates relatively to avoid the influence on sewage conveying caused by the blockage inside of the pipeline.

The working principle is as follows: sewage enters the pretreatment box 1 from the water inlet pipe 16, large-particle impurities are filtered through the isolation screen plate 5 and are left in the pretreatment box 1, the sewage enters the lift pump box 4, the timing module of the controller 31 starts the first motor 6 at regular time, the arc-shaped scraper 40 is driven by the first motor 6 to scrape the impurities of the isolation screen plate 5, the arc-shaped scraper 40 is matched with the torsion spring 41 to enable the cutter head of the arc-shaped scraper 40 to extend into meshes of the isolation screen plate 5, compared with the traditional scraper, the effect of scraping the impurities is improved, meanwhile, the loss of the arc-shaped scraper 40 is reduced, the mode of scraping by timing starting is energy-saving and environment-friendly, impurities can be rapidly output towards the sewage discharge outlet 10 when the sewage discharge outlet 10 is opened by the rotation of the spiral conveying blade 9 following the spindle 8, the water pressure sensor 13 detects a water pressure signal before entering the lift pump box 4, and receives the water pressure signal of the water pressure sensor, when the water pressure is small, the controller 31 controls and reduces the rotating speed of the second motor 15 of the lift pump box 4 to reduce the output power of the second motor 15, when the water pressure is not detected, the controller 31 controls and closes the second motor 15 of the lift pump box 4 to avoid the phenomenon of idle running damage to the motor, and simultaneously has good energy-saving effect, the impeller 14 lifts the sewage from the lift pipe 17 to the spray plate 21 of the filter box 18 under the effect of the second motor 15, the sewage passes through the gravel ceramic layer 22, the activated carbon layer 23, the heavy metal adsorbent filling layer 24 and the ultrafiltration membrane layer 25 above the lower chamber 20 to sequentially filter and remove impurities and heavy metals to the upper chamber 19 and overflows into the purification box 2 through the first overflow pipe 26 to carry out ozone disinfection, in the process, the sludge is difficult to be adsorbed on the gravel ceramic layer 22 at the bottommost layer due to the action of gravity, and simultaneously, the gravel ceramic layer 22 can be cleaned by spraying water through the nozzle 37 of the spray plate 21, the efficient filtration is realized, the management cost is reduced, in addition, sewage enters the lower cavity 20 after passing through the drain hole 36 of the spray plate 21, the sludge in the lower cavity 20 can be washed away when the sludge discharge pipe 29 is conducted, the sludge discharge is facilitated, the water entering the bottom end of the purifying box 2 gradually rises to be combined with the ozone discharged from the air nozzle 34 by the ozone generator 33 for disinfection, and finally enters the water storage tank 3 from the second overflow pipe to realize the purification of the sewage.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a layered sewage treatment device which characterized in that: comprises a pretreatment box (1), a purification box (2), a water storage box (3), a lift pump box (4), an isolation screen (5), a first motor (6), a knife rest (7), a dragon shaft (8), a spiral conveying blade (9), a water pressure sensor (13), an impeller (14), a second motor (15), a lifting pipe (17), a filter box (18), a controller (31), a base (32), an ozone generator (33) and an arc-shaped scraper (40), wherein the pretreatment box (1), the lift pump box (4), the purification box (2) and the water storage box (3) are sequentially fixed on the base (32), the isolation screen (5) is fixed on the inner wall of the pretreatment box (1), one side of the isolation screen (5) is provided with a water inlet pipe (16) leading into the inner side of the isolation screen (5), the first motor (6) is installed at the top end of the pretreatment box (1), the automatic water supply device is characterized in that the output end of a first motor (6) is connected with a dragon shaft (8) which is positioned inside a pretreatment box (1), the dragon shaft (8) is provided with a spiral conveying vane (9) and a knife rest (7), both sides of the knife rest (7) are provided with a plurality of installation positions (38), a support rod (39) is installed in the installation positions (38), an arc-shaped scraper (40) is rotatably connected onto the support rod (39), torsion springs (41) are installed on both sides of the arc-shaped scraper (40), the bottom end of the pretreatment box (1) is provided with a sewage discharge outlet (10), the pretreatment box (1) is connected with a water inlet of a lifting pump box (4) through a communicating pipe (12), a water pressure sensor (13) is installed on the communicating pipe (12), the water pressure sensor (13) is connected with a data input port of a controller (31), the output end of the controller (31) is connected with a second motor, the second motor (15) is installed on one side of the lifting pump box (4) and drives the impeller (14) which is connected and located inside the lifting pump box (4), the water outlet end of the lifting pump box (4) is connected with the filter box (18) which is fixed with the water storage box (3) through the lifting pipe (17), the interior of the filter box (18) is divided into an upper chamber (19) and a lower chamber (20), a super filter membrane layer (25), a heavy metal adsorbent filling layer (24), an activated carbon layer (23), a gravel ceramic layer (22) and a spray plate (21) are arranged between the upper chamber (19) and the lower chamber (20), the super filter membrane layer (25), the heavy metal adsorbent filling layer (24), the activated carbon layer (23) and the gravel ceramic layer (22) are connected together, the spray plate (21) is arranged below the gravel (22) and communicated with the lifting pipe (17), and a plurality of uniformly distributed nozzles (37) are arranged at the top end of the spray plate (21), the bottom of spout board (21) is equipped with evenly distributed's outlet (36), one side of lower cavity (20) is connected with sludge discharge pipe (29), go up top one side of cavity (19) and communicate with purifying box (2) through first overflow pipe (26), the bottom internally mounted of purifying box (2) has ozone generator (33), purifying box (2) are close to its top department one side and communicate with storage water tank (3) through second overflow pipe (28).

2. A layered sewage treatment apparatus according to claim 1, wherein a sewage valve (11) is installed on the sewage outlet (10), a sludge discharge valve (30) is installed on the sludge discharge pipe (29), and a timing module for controlling the sewage valve (11), the sludge discharge valve (30) and the first motor (6) to be opened at regular time is arranged inside the controller (31).

3. A layered sewage treatment device according to claim 1, wherein the output end of said ozone generator (33) is connected to air nozzles (34) uniformly distributed and installed on the inner wall of the purification box (2), said air nozzles (34) are installed with one-way air valves (35), and said purification box (2) is also installed with a stirrer (43).

4. A layered sewage treatment device according to claim 1, wherein said heavy metal adsorbent packing layer (24), activated carbon layer (23) and gravel ceramic layer (22) are coated with a metal mesh coated with nano-silver coating.

5. A layered sewage treatment plant according to claim 1, wherein a drain is provided on one side of said water storage tank (3), a second ultrafiltration membrane layer (44) is provided inside said water storage tank (3), and an access door (51) is provided on one side of said water storage tank (3).

6. A layered sewage treatment device according to claim 1, wherein said ultrafiltration membrane layer (25), heavy metal adsorbent packing layer (24), activated carbon layer (23) and gravel ceramic layer (22) are arranged in sequence from top to bottom.

7. A layered sewage treatment equipment according to claim 1, wherein said activated carbon layer (23) is at least one layer, one end of said water inlet pipe (16) is connected with a rotating pipe (45) through a bearing (49), one end of said rotating pipe (45) is externally driven by a motor (46) through a belt (47), and a scraper (48) is installed on the inner wall of said water inlet pipe (16) near said rotating pipe (45) through a pin (30).