CN213112687U

CN213112687U - Landfill leachate aerobic tank fire fighting equipment

Info

Publication number: CN213112687U
Application number: CN202021622935.0U
Authority: CN
Inventors: 李保光; 梁洪植; 杨吉祥; 戴小东; 张爱军
Original assignee: Beijing Capital Environment Technology Co Ltd
Current assignee: Beijing Capital Environment Technology Co Ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-05-04
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a defoaming device for an aerobic tank of landfill leachate, which comprises a frame arranged at the top end of the aerobic tank of the landfill leachate, a foam pushing plate arranged at the lower end of the frame, a moving device arranged on the frame and used for pushing the foam pushing plate to move, and a defoaming device arranged on the foam pushing plate, the foam pushing plate is driven by the movement device to move, so that foam in the leachate aerobic tank is gathered, the defoaming of the leachate aerobic tank is realized by the defoaming device, the device carries out defoaming after gathering the foam in the leachate aerobic tank by pushing the foam board, improves the defoaming efficiency, utilize supervisory equipment real time monitoring filtration liquid good oxygen pond simultaneously, can be according to the high defoaming intensity of adjusting of foam, can reduce circulating water and defoaming agent use amount, practiced thrift the defoaming cost, push away the bubble board and can remove and cover whole filtration liquid good oxygen pond, can realize the defoaming and do not have the dead angle, improved whole defoaming quality.

Description

Landfill leachate aerobic tank fire fighting equipment

Technical Field

The utility model belongs to the technical field of environmental engineering, specifically speaking relates to a landfill leachate aerobic tank fire fighting equipment.

Background

At present, landfill sites, garbage incineration plants and other places in China can generate garbage leachate. The treatment method of the landfill leachate comprises a physical chemical method and a biological method, and the biological method comprises aerobic biological treatment, anaerobic biological treatment and combination of the aerobic biological treatment and the anaerobic biological treatment. The biological method is the most common method for treating organic sewage, however, in the biological treatment process of percolate, foams are easily generated in the aerobic tank during aeration, and when a large amount of foams are accumulated on the water surface, the foams lift upwards along with the gas in the aerobic tank and further overflow out of the aerobic tank, thereby causing secondary pollution.

Currently, the mainstream method for eliminating foam pollution in the percolate treatment plant is to spray activated sludge back to the foam surface through a defoaming pump.

But the defoaming pipeline is fixed setting, and arranges around good oxygen pond, and the defoaming shower nozzle is too much, causes every shower nozzle water yield not high, and the defoaming effect is not obvious, and especially middle zone defoaming effect is general.

Accordingly, further developments and improvements are still needed in the art.

SUMMERY OF THE UTILITY MODEL

To prior art's all sorts of not enough, in order to solve above-mentioned problem, present a landfill leachate aerobic tank fire fighting equipment, the device eliminates after concentrating the foam, has promoted the defoaming effect, has practiced thrift the defoaming agent quantity, has practiced thrift the cost.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a landfill leachate aerobic tank fire fighting equipment, its is including setting up the frame on leachate aerobic tank top, connect and push away the bubble board at the frame lower extreme, set up and be used for promoting in the frame and push away the telecontrol equipment that the bubble board removed, and set up the fire fighting equipment on pushing away the bubble board, drive through the telecontrol equipment and push away the bubble board and remove, gather the foam in leachate aerobic tank, realize the fire fighting equipment in leachate aerobic tank through fire fighting equipment.

Preferably, the lower end of the rack is provided with a connecting rod, and the bubble pushing plate is connected with the rack through the connecting rod.

Preferably, two sides of the leachate aerobic tank are provided with slide rails, two sides of the frame are provided with pulleys, and the pulleys are arranged on the slide rails and can freely move on the slide rails.

Preferably, the defoaming device includes the defoaming shower nozzle that sets up on pushing away the bubble board, sets up the defoaming circulating pump in leachate aerobic tank one side, is used for connecting defoaming circulating pump and defoaming shower nozzle's first pipeline, is used for connecting leachate aerobic tank bottom and defoaming circulating pump's second pipeline, and sets up the defoaming agent that carries the defoaming agent and throws the pump in defoaming circulating pump syntropy side direction first pipeline.

Preferably, be provided with the flexible end of pipeline that is used for realizing first pipeline is flexible on the first pipeline, realize that first pipeline follows the removal shower nozzle and remove through the flexible end of pipeline.

Preferably, the defoaming shower nozzle sets up to a plurality ofly, and a plurality of defoaming shower nozzles evenly set up pushing away bubble board both sides, the defoaming shower nozzle sets up to the duckbilled shower nozzle.

Preferably, the first pipeline is provided with a first branch and a second branch corresponding to defoaming nozzles on two sides of the foam pushing plate, and the two branches are respectively provided with a first electric valve and a second electric valve for controlling the inlet and outlet of a defoaming agent.

Preferably, the leachate treatment device further comprises a water level gauge, wherein the water level gauge is arranged on one side of the leachate aerobic tank and is a static pressure type liquid level gauge.

Preferably, the device also comprises a monitoring probe for monitoring the foam height of the leachate aerobic tank.

Has the advantages that:

the utility model provides a landfill leachate aerobic tank fire fighting equipment, the device carries out the defoaming after pushing away the foam gathering of cystosepiment in with leachate aerobic tank, the efficiency of defoaming is improved, utilize supervisory equipment real time monitoring filtration liquid aerobic tank simultaneously, can be according to foam altitude mixture control defoaming intensity, can reduce circulating water and defoaming agent use amount, the defoaming cost has been practiced thrift, it can remove the whole filtration liquid aerobic tank of cover to push away the cystosepiment, can realize that the defoaming does not have the dead angle, whole defoaming quality has been improved.

Drawings

FIG. 1 is a schematic structural view of a defoaming device of an aerobic tank for landfill leachate in an embodiment of the present invention;

FIG. 2 is a front view of a defoaming device for an aerobic tank of landfill leachate according to an embodiment of the present invention;

fig. 3 is a top view of a defoaming device for an aerobic tank of landfill leachate in an embodiment of the present invention.

In the drawings: 100 frames, 110 pulleys, 200 foam pushing plates, 210 connecting rods, 300 moving devices, 410 defoaming nozzles, 420 first pipelines, 421 telescopic ends, 422 first branches, 423 second branches, 424 first electric valves, 425 second electric valves, 430 second pipelines, 440 defoaming agent adding pumps, 450 defoaming circulating pumps, 500 slide rails, 600 water level gauges, 700 monitoring probes and 800 leachate aerobic tanks.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustration and not for limitation of the present invention.

The utility model provides a what have shown in fig. 1-fig. 3 is a good oxygen pond fire fighting equipment of landfill leachate, it is including setting up the frame 100 on good oxygen pond 800 top of leachate, connect and push away bubble board 200 at the frame 100 lower extreme, the setting is used for promoting the telecontrol equipment 300 that pushes away bubble board 200 and remove in frame 100, and set up the fire fighting equipment on pushing away bubble board 200, drive through telecontrol equipment 300 and push away bubble board 200 and remove, gather the foam in good oxygen pond 800 of leachate, realize the defoaming of good oxygen pond 800 of leachate through fire fighting equipment.

Specifically, the lower end of the frame 100 is provided with a connecting rod 210, and the bubble pushing plate 200 is connected with the frame 100 through the connecting rod 210.

Specifically, leachate aerobic tank 800 both sides are provided with slide rail 500, frame 100 both sides are provided with pulley 110, pulley 110 sets up on slide rail 500 and can freely move on slide rail 500, and through the pulley 110 that sets up, the messenger pushes away bubble board 200 and has fixed promotion direction in leachate aerobic tank 800, ensures to push away bubble board 200 and can effectual concentrated foam, can not push away bubble board 200 because of the resistance messenger that the foam produced and appear the direction change.

In a preferred embodiment, the slide rail 500 is arranged as a long side of the leachate aerobic tank 800, and the length of the slide rail 500 is the same as that of the long side of the leachate aerobic tank 800, so that the foam pushing plate 200 can completely cover the whole leachate aerobic tank 800 by moving, and the whole leachate aerobic tank 800 is ensured to have no foam dead angle which cannot be eliminated.

In a preferred embodiment, the moving device 300 can generate driving forces to the left and right sides of the sliding rail 500, and the driving forces on the two sides are generated alternately, so that the sliding plate can continuously move in the leachate aerobic tank 800, and the foam in the leachate aerobic tank 800 is gathered.

Specifically, the fire fighting equipment is including setting up defoaming shower nozzle 410 on pushing away bubble board 200, set up defoaming circulating pump 450 in leachate aerobic tank 800 one side, first pipeline 420 for connecting defoaming circulating pump 450 and defoaming shower nozzle 410, second pipeline 430 for connecting leachate aerobic tank 800 bottom and defoaming circulating pump 450, and set up and throw with pump 440 in the defoaming agent that carries the defoaming agent in defoaming circulating pump 450 syntropy first pipeline 420, second pipeline 430 can make defoaming circulating pump 450 extract the leachate of leachate aerobic tank 800 bottom, can not increase the volume of outside water, when having practiced thrift the water, do not increase new sewage volume, the pressure of leachate aerobic tank 800 treatment sewage has been reduced.

Specifically, a pipeline stretching end 421 for stretching the first pipeline 420 is arranged on the first pipeline 420, and the first pipeline 420 is moved along with the defoaming nozzle 410 through the pipeline stretching end 421.

Specifically, defoaming shower nozzle 410 sets up to a plurality ofly, and a plurality of defoaming shower nozzles 410 evenly set up pushing away bubble board 200 both sides, defoaming shower nozzle 410 sets up to the duckbilled shower nozzle, sets up pushing away bubble board 200 both sides, can ensure to push away bubble board 200 toward both sides circulation removal in-process at telecontrol equipment 300, and the homoenergetic makes defoaming shower nozzle 410 spray the defoaming agent, increases defoaming efficiency.

Specifically, the first pipeline 420 is provided with a first branch 422 and a second branch 423 corresponding to the defoaming nozzles 410 on both sides of the foam pushing plate 200, the first branch 422 and the second branch 423 are respectively provided with a first electric valve 424 and a second electric valve 425 for controlling the inlet and outlet of a defoaming agent, and the first branch 422 and the second branch 423 are respectively controlled by the first electric valve 424 and the second electric valve 425, so that the defoaming nozzles 410 spraying the defoaming agent are always in front of the foam pushing plate 200 and on the foam gathering side.

In a preferred embodiment, the number of the defoaming nozzles 410 is 6, that is, 3 nozzles are arranged on each side, the lower end of the defoaming nozzle 410 is flush with the lower end of the foam pushing plate 200, and the included angle between the defoaming nozzle 410 and the horizontal plane is 30 degrees

In a preferred embodiment, the first electric valve 424 is interlocked with the movement device 300, the second electric valve 425 is interlocked with the movement device 300, when the movement device 300 moves forwards, the first electric valve 424 is opened, the second electric valve 425 is closed, the defoaming agent flows into the first pipeline 420, when the movement device 300 moves backwards, the first electric valve 424 is closed, the second electric valve 425 is opened, and the defoaming agent flows into the second pipeline 430.

In a preferred embodiment, the lower end of the bubble pushing plate 200 is 300mm away from the normal liquid level.

Specifically, still include water level gauge 600, water level gauge 600 sets up the one side in leachate aerobic tank 800, water level gauge 600 is static pressure type level gauge, through setting up water level gauge 600, can monitor the stability of inflow and the water yield in leachate aerobic tank 800, ensures the quality of water relatively stable in leachate aerobic tank 800, alleviates the impact that quality of water volume change caused the microorganism in leachate aerobic tank 800.

In a preferred embodiment, the top end of the water level gauge 600 is lower than the lower end of the bubble pushing plate 200, so that the bubble pushing plate 200 does not collide with the water level gauge 600 during the moving process, thereby affecting the bubble pushing effect and the water level monitoring.

Concretely, still including being used for monitoring leachate aerobic tank 800 foam height's monitor probe 700, set up monitor probe 700, can real-time observation leachate aerobic tank 800 foam liquid level and realize frequency conversion control to defoaming work, if the foam liquid level is less than and pushes away bubble board 200 lower extreme, can not start defoaming circulating pump 450 and defoaming agent and throw pump 440, the foam liquid level pushes away more than bubble board 200 lower extreme but not reach and push away the bubble board 200 during middle time, can only start defoaming circulating pump 450 and carry out the defoaming, if the liquid level foam is higher than and pushes away bubble board 200 during middle, arouse defoaming circulating pump 450 and defoaming agent simultaneously and throw pump 440 and carry out quick defoaming, through above-mentioned frequency conversion control, can be when guaranteeing that the foam in the aerobic leachate tank 800 can not spill over the pool face, reduce the consumption of defoaming agent, furthest's reduce cost.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. The utility model provides a landfill leachate aerobic tank fire fighting equipment, a serial communication port, including setting up the frame on leachate aerobic tank top, connect and push away the bubble board at the frame lower extreme, set up and be used for promoting in the frame and push away the telecontrol equipment that the bubble board removed, and set up the fire fighting equipment on pushing away the bubble board, drive through the telecontrol equipment and push away the bubble board and remove, gather the foam in leachate aerobic tank, realize the defoaming in leachate aerobic tank through fire fighting equipment.

2. The defoamer device for a landfill leachate aerobic tank as claimed in claim 1, wherein a connecting rod is arranged at the lower end of the frame, and the bubble pushing plate is connected with the frame through the connecting rod.

3. The defoaming device for the aerobic tank of landfill leachate according to claim 1, wherein slide rails are disposed on two sides of the aerobic tank of landfill leachate, pulleys are disposed on two sides of the frame, and the pulleys are disposed on the slide rails and can move freely on the slide rails.

4. The device for removing foam in an aerobic tank of landfill leachate according to claim 1, wherein the device for removing foam comprises a foam removing nozzle disposed on the foam pushing plate, a foam removing circulating pump disposed on one side of the aerobic tank of landfill leachate, a first pipeline for connecting the foam removing circulating pump and the foam removing nozzle, a second pipeline for connecting the bottom of the aerobic tank of landfill leachate and the foam removing circulating pump, and a foam removing agent feeding pump disposed in the first pipeline on the same side of the foam removing circulating pump for conveying the foam removing agent.

5. The device for removing foam in an aerobic pond of landfill leachate according to claim 4, wherein the first pipeline is provided with a pipeline expansion end for realizing expansion of the first pipeline, and the first pipeline moves along with the foam removing nozzle through the pipeline expansion end.

6. The landfill leachate aerobic pool defoaming device as claimed in claim 4, wherein the number of the defoaming nozzles is plural, the defoaming nozzles are uniformly arranged on two sides of the foam pushing plate, and the defoaming nozzles are arranged as duckbilled nozzles.

7. The device for removing foam in a landfill leachate aerobic tank as claimed in claim 6, wherein the first pipeline is provided with a first branch and a second branch corresponding to the foam removing nozzles at two sides of the foam pushing plate, and the first branch and the second branch are respectively provided with a first electric valve and a second electric valve for controlling the inlet and outlet of the foam removing agent.

8. The defoaming device for the aerobic tank of landfill leachate according to claim 1, further comprising a water level gauge, wherein the water level gauge is arranged at one side of the aerobic tank of landfill leachate, and the water level gauge is a static pressure type gauge.

9. The defoaming device for the aerobic tank of landfill leachate according to claim 1, further comprising a monitoring probe for monitoring the foam height of the aerobic tank of landfill leachate.