CN211999682U

CN211999682U - High-efficiency biogas production type domestic garbage landfill structure

Info

Publication number: CN211999682U
Application number: CN201922175581.3U
Authority: CN
Inventors: 周向阳; 蒋赛红; 唐睿; 金京; 谢逻辑; 厉江锋; 刘青松; 葛芳
Original assignee: Beijing Zhonglan Environment Engineering Co ltd; Shenzhen Zhonglan Huanneng Co ltd
Current assignee: Beijing Zhonglan Environment Engineering Co ltd; Shenzhen Zhonglan Huanneng Co ltd
Priority date: 2019-12-08
Filing date: 2019-12-08
Publication date: 2020-11-24
Anticipated expiration: 2029-12-08

Abstract

The utility model discloses a high-efficient natural pond type domestic waste landfill structure of producing, including the landfill hole, the top in the landfill hole is established and is covered the layer, the bottom that covers the layer is established the geotechnological cloth layer, the switching pipeline has been established to the one end on geotechnological cloth layer, the geotechnological cloth layer is kept away from one side of covering the layer and is established the soil horizon, one side that the soil horizon was kept away from to the soil horizon is established and is had the compacted clay, one side that the soil horizon was kept away from to the compacted clay is established the gravel layer, it has the collecting pipe to establish in the one end on gravel layer, activated sludge layer has been established to the bottom side on gravel layer, one side that activated sludge layer kept away from the gravel layer is established the rubbish layer: through setting up filter screen bed course and bottom plate, can pass through the filter screen bed course with the waste water that rubbish produced and get into the bottom plate in, the bottom plate is the structure of infundibulate, can concentrate waste water and discharge through the delivery pipe and go, avoids influencing the production of marsh gas because of the accumulation of waste water, through collecting pipe and switching pipeline.

Description

High-efficiency biogas production type domestic garbage landfill structure

Technical Field

The utility model relates to a landfill structure, in particular to high-efficient natural pond type domestic waste landfill structure of producing belongs to refuse treatment technical field.

Background

The existing refuse landfill is not provided with equipment directly used for mobile phone methane, so that when methane is generated in the landfill, the methane is likely to drift and flow away, waste is caused, the possibility of influence on the surrounding environment due to the loss of the methane is also possible, the methane production amount and efficiency of the landfill become lower due to drift and flow away, and in order to solve the technical problems, a novel high-efficiency methane-generating domestic refuse landfill structure is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide high-efficient natural pond type domestic waste landfill structure, can the foretell technical problem of effectual solution.

In order to solve the technical problem, the utility model provides a following technical scheme:

the high-efficiency biogas production type domestic garbage landfill structure comprises a landfill pit, a covering layer is arranged at the top part in the landfill pit, a geotextile layer is arranged at the bottom of the covering layer, an adapter pipe is arranged at one end of the geotextile layer, a soil layer is arranged on one side of the geotextile layer far away from the covering layer, compacted clay is arranged on one side of the soil layer far away from the geotextile layer, a gravel layer is arranged on one side of the compacted clay far away from the soil layer, a collecting pipe is arranged in one end of the gravel layer, an activated sludge layer is arranged at the bottom side of the gravel layer, a garbage layer is arranged at one side of the activated sludge layer far away from the gravel layer, a filter screen cushion layer is arranged on one side of the garbage layer far away from the activated sludge layer, a bottom plate is connected with one side of the filter screen cushion layer, one side of the bottom plate, which is far away from the filter screen cushion layer, is connected with a discharge pipe, and the interior of the collection pipe is connected with a filter screen.

As an optimal technical scheme of the utility model, for afforestation lawn on the top of covering layer, the geotechnological cloth layer is laid at the soil horizon and is covered between the layer, and the pipeline that changes alternates and inserts in covering layer, geotechnological cloth layer, soil horizon, compaction clay, gravel layer, activated sludge layer and the same one side in rubbish layer.

As a preferred technical scheme of the utility model, the collecting tube passes through rear end fixed connection and the collecting pipe communicates with each other with the switching pipeline is inside on the switching pipeline, inside the switching pipeline one end was kept away from to filter screen fixed connection at the collecting pipe.

As an optimal technical scheme of the utility model, filter screen bed course fixed connection is on the bottom plate top, the bottom plate is leak type structure, delivery pipe fixed connection keeps away from the centre of filter screen bed course one side at the bottom plate.

As an optimized technical scheme of the utility model, the switching pipeline is close to the one end of covering the layer and has been established linking up the pipeline and be connected with the valve, switching pipeline and collecting pipe are corrosion-resistant pvc pipe preparation.

The utility model discloses the beneficial effect who reaches is: through establishing filter screen bed course and bottom plate, can pass through the filter screen bed course with the waste water that rubbish produced and get into the bottom plate in, the bottom plate is the structure of infundibulate, can concentrate waste water and discharge through the delivery pipe and go, avoids influencing the production of marsh gas because of the accumulation of waste water, through collecting pipe and switching pipeline, can carry strorage device with the marsh gas of collecting in, avoids the extravagant that wafts of marsh gas, influences the production of marsh gas.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic plan view of the present invention;

fig. 2 is a schematic view of the collecting pipe structure of the present invention.

In the figure: 1. filling the pit; 2. a masking layer; 3. a geotextile layer; 4. transferring a pipeline; 5. a soil layer; 6. compacting clay; 7. A collection pipe; 8. a gravel layer; 9. an activated sludge layer; 10. a waste layer; 11. a filter screen cushion layer; 12. a base plate; 13. a discharge pipe; 14. and (4) a filter screen.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1-2, the high-efficiency biogas production type domestic garbage landfill structure comprises a landfill pit 1, a covering layer 2 is arranged at the top in the landfill pit 1, a geotechnical cloth layer 3 is arranged at the bottom of the covering layer 2, a switching pipeline 4 is arranged at one end of the geotechnical cloth layer 3, a soil layer 5 is arranged at one side of the geotechnical cloth layer 3, which is far away from the covering layer 2, a compacted clay 6 is arranged at one side of the soil layer 5, a gravel layer 8 is arranged at one side of the compacted clay 6, which is far away from the soil layer 5, a collecting pipe 7 is arranged in one end of the gravel layer 8, an activated sludge layer 9 is arranged at the bottom side of the gravel layer 8, a garbage layer 10 is arranged at one side of the activated sludge layer 9, a filter screen cushion layer 11 is arranged at one side of the garbage layer 10, which is far away from the activated sludge layer 9, a bottom plate 12 is connected with a discharge pipe 13, a filter screen 14 is connected inside the collecting pipe 7.

Covering layer 2's top for afforestation lawn, geotechnological cloth layer 3 is laid between soil horizon 5 and covering layer 2, switching pipeline 4 alternates covering layer 2, geotechnological cloth layer 3, soil horizon 5, compaction clay 6, gravel layer 8, in the same one side of active sludge layer 9 and rubbish layer 10, collecting pipe 7 passes through rear end fixed connection on switching pipeline 4 and collecting pipe 7 and switching pipeline 4 are inside to communicate with each other, filter screen 14 fixed connection is inside collecting pipe 7 keeps away from switching pipeline 4 one end, filter screen bed course 11 fixed connection is on bottom plate 12 top, bottom plate 12 is leak type structure, discharge pipe 13 fixed connection is in the middle of bottom plate 12 keeping away from filter screen bed course 11 one side, switching pipeline 4 is close to the one end of covering layer 2 and has set up linking pipeline and be connected with the valve, switching pipeline 4 and collecting pipe 7 are corrosion-resistant pvc pipe preparation.

Specifically, the bottom layer in the landfill pit 1 is provided with the filter screen cushion layer 11, when garbage in the garbage layer 10 reacts, some waste water is generated, if the waste water is not discharged in time, the generation of methane can be directly influenced, therefore, the garbage in the garbage layer 10 can generate waste water early by arranging the filter screen cushion layer 11, the waste water can flow downwards and enter the bottom plate 12 through the filter screen cushion layer 11, the bottom plate 12 is of a funnel-shaped structure, therefore, the waste water flowing to the upper part can be intensively discharged through the discharge pipe 13 fixedly connected in the middle of the bottom plate 12, the waste water is prevented from accumulating in the garbage for a long time, the influence on the efficiency of generating the methane by the garbage can be avoided, the activated sludge layer 9 is arranged above the garbage layer 10, the activated sludge layer 9 is formed by activated sludge, the activated sludge percolate is treated, and practical operation results show that the organic load of the sludge can be effectively reduced by improving, thereby improving the working efficiency and improving the efficiency of methane generation, a gravel layer 8 is arranged right above the activated sludge layer 9, a collecting pipe 7 is buried at one side of the gravel layer 8, the biogas floating in the gravel layer 8 can be collected through the collecting pipe 7, the rear end of the collecting pipe 7 is fixedly connected with a switching pipeline 4, the collected methane can be conveyed into the storage device through the switching pipeline 4, the drifting loss of the methane is avoided, because the gravel layer 8 is composed of gravel, the gravel has moving air permeability and certain filtering performance, so that the filtered biogas can be collected through the collecting pipe 7 after the biogas enters the gravel layer 8, the compacted clay 6, the soil layer 5, the geotechnical cloth layer 3 and the covering layer 2 are arranged on the gravel layer 8 once, so that the methane is further prevented from drifting away and losing, and the influence of the gravel layer on the surrounding environment is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 high-efficiency biogas production type domestic garbage landfill structure is characterized by comprising a landfill pit (1), wherein a covering layer (2) is arranged at the top in the landfill pit (1), a geotechnical cloth layer (3) is arranged at the bottom of the covering layer (2), a transfer pipeline (4) is arranged at one end of the geotechnical cloth layer (3), a soil layer (5) is arranged at one side, away from the covering layer (2), of the geotechnical cloth layer (3), a compacted clay (6) is arranged at one side, away from the geotechnical cloth layer (3), of the soil layer (5), a gravel layer (8) is arranged at one side, away from the soil layer (5), of the compacted clay (6), a collecting pipe (7) is arranged in one end of the gravel layer (8), an activated sludge layer (9) is arranged at the bottom side of the gravel layer (8), a garbage gravel layer (10) is arranged at one side, away from the sand layer (8), of the activated sludge layer (9), one side that activated sludge layer (9) were kept away from in rubbish layer (10) is established filter screen cushion layer (11), one side of filter screen cushion layer (11) is connected with bottom plate (12), one side that filter screen cushion layer (11) were kept away from in bottom plate (12) is connected with delivery pipe (13), collecting pipe (7) internal connection has filter screen (14).

2. The biogas production efficient type domestic garbage landfill structure according to claim 1, wherein the top of the covering layer (2) is a green lawn, the geotextile layer (3) is laid between the soil layer (5) and the covering layer (2), and the transfer pipeline (4) is inserted into the same side of the covering layer (2), the geotextile layer (3), the soil layer (5), the compacted clay (6), the gravel layer (8), the activated sludge layer (9) and the garbage layer (10).

3. The high-efficiency biogas production type domestic garbage landfill structure according to claim 1, wherein the collecting pipe (7) is fixedly connected to the switching pipeline (4) through the rear end, the collecting pipe (7) is communicated with the inside of the switching pipeline (4), and the filter screen (14) is fixedly connected to the inside of one end of the collecting pipe (7) far away from the switching pipeline (4).

4. The biogas production efficient type domestic garbage landfill structure according to claim 1, wherein the filter screen cushion layer (11) is fixedly connected to the top of the bottom plate (12), the bottom plate (12) is of a leak type structure, and the discharge pipe (13) is fixedly connected to the middle of one side of the bottom plate (12) far away from the filter screen cushion layer (11).

5. The high-efficiency biogas production type domestic garbage landfill structure according to claim 1, wherein a connecting pipe is arranged at one end of the switching pipe (4) close to the covering layer (2) and connected with a valve, and the switching pipe (4) and the collecting pipe (7) are both made of corrosion-resistant pvc pipes.