CN219156712U

CN219156712U - Treatment device for landfill leachate

Info

Publication number: CN219156712U
Application number: CN202223499864.1U
Authority: CN
Inventors: 杨克文; 石锵锵; 朱永凯; 王刚; 马小军; 张韡
Original assignee: Hangzhou Green Energy Environmental Protection Power Co ltd
Current assignee: Hangzhou Green Energy Environmental Protection Power Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-09
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to a technical field that the filtration liquid handled especially relates to a processing apparatus of rubbish filtration liquid, and it includes dephosphorization case, first drain pipe and sedimentation tank, the dephosphorization case is provided with the inlet tube that is used for letting in the filtration liquid and is used for adding the dosing tube of dephosphorization medicament, inlet tube and dosing tube all communicate with the dephosphorization case, the one end and the dephosphorization case intercommunication of first drain pipe, the other end and the sedimentation tank intercommunication of first drain pipe, the sedimentation tank is provided with the blow off pipe that is used for discharging mud and the second drain pipe that is used for discharging clarified water, blow off pipe and second drain pipe all communicate with the sedimentation tank. The present application has the effect of reducing the accumulation of sediment in the dephosphorization equipment.

Description

Treatment device for landfill leachate

Technical Field

The application relates to the technical field of leachate treatment, in particular to a garbage leachate treatment device.

Background

At present, kitchen waste in household waste is a common waste type, a large amount of water and organic matters can be contained in the kitchen waste, percolate is easy to produce, and the total phosphorus content of percolate pollutants of the kitchen waste is high, so that the percolate can be discharged after being treated.

Excessive phosphorus can contaminate water and soil and enrich water quality, so that the percolate needs to be dephosphorized. However, when the conventional dephosphorization equipment is used for dephosphorizing percolate, a great amount of sediment is generated by the reaction of the dephosphorization reagent and phosphorus, sludge sediment is formed, and the sludge is accumulated in the dephosphorization equipment for a long time, so that the dephosphorization efficiency of the dephosphorization equipment is influenced.

Disclosure of Invention

In order to reduce the influence of sludge precipitate on dephosphorization equipment, the application provides a garbage leachate treatment device.

The application provides a processing apparatus of landfill leachate adopts following technical scheme:

the utility model provides a processing apparatus of landfill leachate, its includes dephosphorization case, first drain pipe and sedimentation tank, the dephosphorization case is provided with the inlet tube that is used for letting in the leachate and is used for adding the charge pipe of dephosphorization medicament, inlet tube and charge pipe all communicate with the dephosphorization case, the one end and the dephosphorization case intercommunication of first drain pipe, the other end and the sedimentation tank intercommunication of first drain pipe, the sedimentation tank is provided with the blow off pipe that is used for discharging mud and the second drain pipe that is used for discharging the clarified water, blow off pipe and second drain pipe all communicate with the sedimentation tank.

By adopting the technical scheme, percolate is discharged into the dephosphorization box through the water inlet pipe, then the medicament is placed into the dephosphorization box through the medicament adding pipe, then the medicament and the percolate react in the dephosphorization box and generate precipitates, the aqueous solution after the precipitates and the reactions is discharged into the sedimentation tank through the first drain pipe, then the aqueous solution is precipitated in the sedimentation tank, clarified water at the upper layer of the sedimentation tank is discharged through the second drain pipe, and sludge at the lower layer of the sedimentation tank is discharged through the sewage drain pipe. In the process, sludge sediment after the percolate is dephosphorized is precipitated in a precipitation tank and discharged through a blow-down pipe, so that the accumulation of the sludge sediment is reduced.

Optionally, be provided with the baffle in the sedimentation tank, the baffle divide into two at least independent sedimentation chambers with the sedimentation tank, baffle and sedimentation tank's inner wall fixed connection, the height of baffle is less than sedimentation tank degree of depth.

Through adopting above-mentioned technical scheme, the baffle separates different sedimentation chambers with the sedimentation tank, and the upper strata clarified water in the sedimentation tank can cross the baffle, thereby reaches different sedimentation chambers and forms the hierarchical clarification, reduces the precipitate in the clarified water gradually.

Optionally, the bottom intercommunication of sedimentation tank has holds mud portion, hold mud portion and blow off pipe intercommunication, the one end that the sedimentation tank was kept away from to the blow off pipe is provided with the sludge impoundment.

By adopting the technical scheme, the sludge containing part can collect sludge sediment in the sedimentation tank, and then the sludge containing part can be discharged into the sludge tank through the sludge sediment through the sewage drain pipe.

Optionally, the mud containing part is provided with a plurality of, and every mud containing part corresponds a intercommunication sedimentation chamber and blow off pipe.

Through adopting above-mentioned technical scheme, a plurality of mud portions that hold can hold more mud to every sedimentation chamber all corresponds and communicates a mud portion that holds, and mud in the sedimentation chamber is discharged into and is held mud portion, holds mud in the mud portion and discharges through the blow off pipe again.

Optionally, the device further comprises a filter assembly and a clean water tank, wherein the filter assembly is communicated with the second drain pipe and is used for filtering water in the second drain pipe and then discharging the filtered water into the clean water tank.

By adopting the technical scheme, the filter assembly can further filter the clarified water flowing through the second drain pipe, and the clarified water flowing through the second drain pipe can be contained in the clean water tank.

Optionally, the filter assembly includes an outer tube and a filter plate, the outer tube is in communication with the second drain pipe, and the filter plate is fixedly connected inside the outer tube.

By adopting the technical scheme, when the clarified water in the second drain pipe passes through the outer pipe, impurities in the clarified water are filtered by the filter plate, so that the effect of further filtering the clarified water is formed.

Optionally, the filter component further comprises a turbine and an inner tube, the turbine is rotationally connected with the outer tube, the turbine is coaxially and fixedly connected with the inner tube, the inner tube is rotationally connected with the outer tube, one side of the inner tube, which is close to the filter plate, is provided with a scraping rod, the scraping rod is propped against the filter plate, a first sewage outlet is formed in the inner tube, and a second sewage outlet is formed in the outer tube.

Through adopting above-mentioned technical scheme, when the clear water is through the outer tube, rivers drive the turbine and rotate, and the turbine drives the inner tube and rotate, and the pole of scraping on the inner tube can strike off the remaining impurity in filter plate surface, reduces the jam of filter plate, and when first drain and second drain coincidence, the impurity of being scraped flows through first drain and second drain.

Optionally, the device further comprises a fan and an aeration pipe, wherein the fan is arranged on the dephosphorization box and is communicated with the aeration pipe, the aeration pipe is positioned in the dephosphorization box, and the aeration pipe is provided with an aeration hole.

By adopting the technical scheme, the fan is started, the fan continuously blows air into the aeration pipe, and the aeration pipe continuously aerates through the aeration holes, so that sludge sediment in the dephosphorization box is not easy to precipitate at the bottom, and the influence of the sediment on the dephosphorization efficiency is reduced.

Optionally, the device further comprises a motor and a stirring paddle, wherein the motor is arranged on the dephosphorization box, the stirring paddle is positioned inside the dephosphorization box, and an output shaft of the motor is fixedly connected with the stirring paddle in a coaxial manner.

Through adopting above-mentioned technical scheme, the starter motor, motor drive stirring rake rotates, then the stirring rake fully stirs the solution in the dephosphorization case to make the filtration liquid fully react with dephosphorization medicament.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the dephosphorization box can be a container for reacting percolate with a dephosphorization reagent, and then the reacted solution is discharged into a sedimentation tank for sedimentation through a first drain pipe, so that sediment in the dephosphorization box is reduced;

2. different sedimentation chambers in the sedimentation tank can stage the sedimentation effect on the aqueous solution, so that the sedimentation effect in the sedimentation tank is increased;

3. the filter component can further filter the clarified water in the second drain pipe, reduce impurities in the clarified water, and can discharge redundant impurities.

Drawings

FIG. 1 is a schematic view of a first perspective of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural view of a second perspective of the overall structure of an embodiment of the present application;

FIG. 3 is a schematic view of the structure of the interior of the dephosphorization box according to the embodiment of the present application;

FIG. 4 is a schematic view of the structure of the interior of the sedimentation tank according to the embodiment of the present application;

FIG. 5 is a schematic view of a second drain and filter assembly of an embodiment of the present application;

fig. 6 is an enlarged view of a portion a of fig. 5 in an embodiment of the present application.

Reference numerals illustrate: 1. a dephosphorization box; 11. a water inlet pipe; 12. a dosing tube; 13. an aeration assembly; 131. an aeration pipe; 1311. aeration holes; 132. a blower; 14. a stirring assembly; 141. a motor; 142. stirring paddles; 15. an exhaust pipe; 2. a sedimentation tank; 21. a partition plate; 22. a sedimentation chamber; 23. a mud containing part; 24. a blow-down pipe; 241. a valve; 25. a sludge pool; 3. a clean water tank; 4. a first drain pipe; 41. a first water pump; 5. a second drain pipe; 51. a second water pump; 6. a filter assembly; 61. an outer tube; 611. a support frame; 612. a second drain outlet; 613. a connecting pipe; 62. an inner tube; 621. a scraping rod; 622. a first drain outlet; 63. a turbine; 631. a rotating shaft; 64. a filter plate; 641. and (5) filtering holes.

Detailed Description

In the description of the present application, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

The present application is described in further detail below in conjunction with fig. 1-6.

The embodiment of the application discloses a treatment device of landfill leachate, and with reference to fig. 1 and 2, the treatment device comprises a dephosphorization box 1, a sedimentation tank 2 and a clean water tank 3. The dephosphorization box 1 is used for removing phosphorus in percolate, the dephosphorization box 1 is provided with a water inlet pipe 11 used for introducing percolate and a dosing pipe 12 used for adding dephosphorization medicament, and the water inlet pipe 11 and the dosing pipe 12 are communicated with the dephosphorization box 1. The sedimentation tank 2 is used for carrying out sedimentation to sludge in the aqueous solution, and a first drain pipe 4 is connected between the dephosphorization box 1 and the sedimentation tank 2, and the first drain pipe 4 is provided with a first water pump 41. The clean water tank 3 is used for containing the supernatant water of the upper layer of the sedimentation tank 2, a second drain pipe 5 is connected between the sedimentation tank 2 and the clean water tank 3, and the second drain pipe 5 is provided with a second water pump 51.

Referring to fig. 1 and 2, one end of the first drain pipe 4 is communicated with the bottom of the dephosphorization tank 1, and the other end of the first drain pipe 4 is communicated with the upper portion of the sedimentation tank 2.

Referring to fig. 3, the dephosphorization box 1 is provided with an aeration assembly 13 and a stirring assembly 14, wherein the aeration assembly 13 comprises an aeration pipe 131 and a fan 132, the aeration pipe 131 is spirally distributed at the bottom of the dephosphorization box 1, the aeration pipes 131 are provided with aeration holes 1311 at intervals, one end of the aeration pipe 131 is closed, the other end of the aeration pipe 131 is communicated with the fan 132, the fan 132 is arranged outside the dephosphorization box 1, and the aeration of the aeration pipe 131 can reduce the deposition of sludge at the bottom of the dephosphorization box 1. The top of the dephosphorization box 1 is fixedly provided with an exhaust pipe 15 for balancing the air pressure in the dephosphorization box 1, and the exhaust pipe 15 is communicated with the dephosphorization box 1. The stirring assembly 14 comprises a motor 141 and a stirring paddle 142, the motor 141 is arranged at the top of the dephosphorization box 1, an output shaft of the motor 141 is fixedly connected with the stirring paddle 142, the stirring paddle 142 is positioned inside the dephosphorization box 1, the stirring paddle 142 is rotationally connected with the dephosphorization box 1, and when the motor 141 is started, the motor 141 drives the stirring paddle 142 to rotate, and the stirring paddle 142 can enable the dephosphorization medicine to fully react with percolate.

Referring to fig. 4, a plurality of separators 21 are disposed in the sedimentation tank 2, in this embodiment, two separators 21 and two separators 21 form a sedimentation chamber 22, and three sedimentation chambers 22 are formed between the separators 21 and the side walls of the sedimentation tank 2. The baffle 21 is fixedly connected with the inner bottom wall of the sedimentation tank 2, and the height of the baffle 21 is smaller than the depth of the sedimentation tank 2. The bottom of sedimentation tank 2 is provided with holds mud portion 23, holds the quantity of mud portion 23 and the quantity correspondence of sedimentation chamber 22, holds the bottom of mud portion 23 and is equipped with blow off pipe 24, holds the both ends of mud portion 23 and communicates with sedimentation chamber 22 and blow off pipe 24 respectively, and blow off pipe 24 is provided with the valve 241 that is used for controlling to open or close. The bottom of the sedimentation tank 2 is also provided with a sludge tank 25 for containing sludge, and the sludge tank 25 is communicated with one end of the sewage drain pipe 24 away from the sedimentation tank 2.

Referring to fig. 5 and 6, the second drain pipe 5 communicates with the settling chamber 22 remote from the first drain pipe 4, and the other end of the second drain pipe 5 communicates with the clean water tank 3. The second drain pipe 5 is provided with a filter assembly 6, the filter assembly 6 comprising an outer pipe 61, an inner pipe 62, a turbine 63 and a filter plate 64. Both ends of the outer pipe 61 are communicated with the second drain pipe 5, the turbine 63 is located inside the outer pipe 61, a supporting frame 611 is fixedly arranged inside the outer pipe 61, and the turbine 63 is rotatably connected with the supporting frame 611. The turbine 63 is provided with a rotation shaft 631, and the inner tube 62 is fixedly connected coaxially with the rotation shaft 631. The filter plate 64 is located the one end of outer tube 61 far away from turbine 63, filter plate 64 and outer tube 61 fixed connection, and filter plate 64 surface has seted up the filtration pore 641, and one side that inner tube 62 is close to filter plate 64 is provided with scrapes the pole 621, scrapes pole 621 and filter plate 64 and offsets, and inner tube 62 and filter plate 64 rotate to be connected. The inner pipe 62 is provided with a first drain 622, the outer pipe 61 is provided with a second drain 612, and when the first drain 622 and the second drain 612 are overlapped, the aqueous solution in the outer pipe 61 can flow out through the first drain 622 and the second drain 612. The outside of the inner pipe 62 is also provided with a connecting pipe 613, one end of the connecting pipe 613 is communicated with a second sewage outlet 612, and the other end of the connecting pipe 613 is communicated with the sludge tank 25.

The implementation principle of the embodiment of the application is as follows:

when the phosphorus in the percolate needs to be removed, the percolate flows into the dephosphorization box 1 through the water inlet pipe 11, then the dephosphorization agent is added into the dosing pipe 12, the motor 141 and the fan 132 are started, the stirring paddle 142 stirs the liquid in the dephosphorization box 1, and the aeration pipe 131 is provided with continuous aeration.

When the sludge is required to be removed, the first water pump 41 is started, the first water pump 41 pumps the solution in the dephosphorization tank 1 into the sedimentation tank 2 through the first water drain pipe 4, and sequentially fills the sedimentation cavity 22 in the sedimentation tank 2, during the process, the sludge sinks and gradually accumulates in the sludge containing part 23, and the sludge in the sludge containing part 23 can be discharged into the sludge tank 25 by opening the valve 241. When the second water pump 51 is started, the upper layer clarified water in the sedimentation tank 2 can be pumped into the clean water tank 3, in the process, when water flows through the filter plate 64, a small amount of impurities are filtered by the filter plate 64, the water flows to drive the turbine 63 to rotate, the turbine 63 drives the inner pipe 62 to rotate, the scraping rod 621 continuously scrapes off the impurities on the surface of the filter plate 64, and when the first sewage drain 622 and the second sewage drain 612 are overlapped, the water pressure in the outer pipe 61 washes out the excessive impurities or sludge and discharges the excessive impurities or sludge into the sludge tank 25 through the connecting pipe 613.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A garbage leachate treatment device, which is characterized in that: including dephosphorization case (1), first drain pipe (4) and sedimentation tank (2), dephosphorization case (1) is provided with inlet tube (11) and the dosing tube (12) that are used for adding the dephosphorization medicament that are used for letting in the leachate, inlet tube (11) and dosing tube (12) all communicate with dephosphorization case (1), the one end and the dephosphorization case (1) of first drain pipe (4) communicate, the other end and sedimentation tank (2) of first drain pipe (4) communicate, sedimentation tank (2) are provided with blow off pipe (24) and second drain pipe (5) that are used for discharging the clarified water that are used for discharging mud, blow off pipe (24) and second drain pipe (5) all communicate with sedimentation tank (2).

2. A landfill leachate treatment device according to claim 1, wherein: be provided with baffle (21) in sedimentation tank (2), baffle (21) divide into sedimentation tank (2) two at least independent sedimentation chamber (22), baffle (21) and the inner wall fixed connection of sedimentation tank (2), the height of baffle (21) is less than sedimentation tank (2) degree of depth.

3. A landfill leachate treatment device according to claim 2, wherein: the bottom of sedimentation tank (2) is linked together and is held mud portion (23), hold mud portion (23) and blow off pipe (24) intercommunication, the one end that sedimentation tank (2) was kept away from to blow off pipe (24) is provided with sludge impoundment (25).

4. A landfill leachate treatment device according to claim 3, wherein: the mud containing parts (23) are provided with a plurality of mud containing parts, and each mud containing part (23) is correspondingly communicated with one sedimentation cavity (22) and a sewage draining pipe (24).

5. A landfill leachate treatment device according to claim 1, wherein: the filter assembly (6) is communicated with the second drain pipe (5), and the filter assembly (6) is used for filtering water in the second drain pipe (5) and then discharging the filtered water into the clean water tank (3).

6. The landfill leachate treatment device according to claim 5, wherein: the filter assembly (6) comprises an outer tube (61) and a filter plate (64), the outer tube (61) is communicated with the second drain pipe (5), and the filter plate (64) is fixedly connected inside the outer tube (61).

7. The landfill leachate treatment device according to claim 6, wherein: the filter assembly (6) further comprises a turbine (63) and an inner tube (62), the turbine (63) is rotationally connected with the outer tube (61), the turbine (63) is fixedly connected with the inner tube (62) coaxially, the inner tube (62) is rotationally connected with the outer tube (61), one side, close to a filter plate (64), of the inner tube (62) is provided with a scraping rod (621), the scraping rod (621) abuts against the filter plate (64), a first sewage outlet (622) is formed in the inner tube (62), and a second sewage outlet (612) is formed in the outer tube (61).

8. A landfill leachate treatment device according to claim 1, wherein: still include fan (132) and aeration pipe (131), fan (132) are installed on dephosphorization case (1), fan (132) and aeration pipe (131) intercommunication, aeration pipe (131) are located dephosphorization case (1), aeration hole (1311) have been seted up to aeration pipe (131).

9. A landfill leachate treatment device according to claim 1, wherein: still include motor (141) and stirring rake (142), motor (141) are installed on dephosphorization case (1), stirring rake (142) are located inside dephosphorization case (1), the output shaft of motor (141) and stirring rake (142) coaxial fixed connection.