CN213629881U

CN213629881U - Gas collecting and recycling device for landfill

Info

Publication number: CN213629881U
Application number: CN202022660300.6U
Authority: CN
Inventors: 周海霞
Original assignee: Shenzhen Tongchuang Environmental Protection Technology Co ltd
Current assignee: Shenzhen Tongchuang Environmental Protection Technology Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-06
Anticipated expiration: 2030-11-17

Abstract

The utility model provides a be used for landfill gas to collect and recycle device relates to the landfill field. The gas collecting device comprises a base plate, the surface of bottom plate is provided with the gas collecting well, the top fixed mounting of gas collecting well has the pump-off line, the one end fixed mounting of pump-off line has the air exhauster, the last fixed surface of air exhauster installs gas transmission pipeline, the last fixed surface of bottom plate installs the support frame, the last fixed surface of support frame installs the gas holder, the last fixed surface of bottom plate installs the draught fan. This a device for landfill gas is collected and recycles through purifying box, breather pipe, oxygen jar, oxygen therapy pipeline, gas leakage plywood, separation and keep off the plywood and the cooperation on layer that absorbs water uses for the marsh gas that the landfill produced is collected through the bottom plate, then carries out the purification treatment to marsh gas through carrying, gets rid of sulphide and hydride that contain in the marsh gas, makes marsh gas purer, and the user of being convenient for carries out safe handling.

Description

Gas collecting and recycling device for landfill

Technical Field

The utility model relates to a landfill technical field specifically is a be used for landfill gas collection and recycle device.

Background

The garbage disposal method can be generally divided into several methods such as sanitary landfill, incineration, composting and the like. The refuse landfill is a refuse centralized stacking site adopting a sanitary landfill mode, and the refuse sanitary landfill is widely applied in China due to low cost and good sanitary degree. The refuse landfill is generally treated by adopting a layered earthing and landfill mode, and a layer of loess is covered after a layer of refuse is piled up, so that the pollution of the refuse is easily reduced.

The gas generated by the landfill site can be collected and treated and can be used as biogas if the gas is leaked into the air, the existing gas treatment and collection device can not purify the gas generated by the landfill site well, and the obtained biogas is not pure enough and is dangerous.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a be used for landfill gas to collect and recycle device has solved the problem mentioned in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a device for collecting and recycling landfill gas comprises a bottom plate, wherein a gas collecting well is arranged on the surface of the bottom plate, an air exhaust pipeline is fixedly arranged at the top of the gas collecting well, an air extractor is fixedly arranged at one end of the air exhaust pipeline, a gas transmission pipeline is fixedly arranged on the upper surface of the air extractor, a support frame is fixedly arranged on the upper surface of the bottom plate, a gas storage tank is fixedly arranged on the upper surface of the support frame, an induced draft fan is fixedly arranged on the upper surface of the bottom plate, a gas outlet pipeline is fixedly arranged on one side of the induced draft fan, a gas supply pipeline is fixedly arranged on the upper surface of the induced draft fan, a purifying box is fixedly arranged on the upper surface of the bottom plate, a desulfurization chamber and a dehydrogenation chamber are respectively arranged inside the purifying box, a compressor is fixedly arranged on the upper surface of the bottom plate, a first connecting pipe is fixedly arranged, the upper surface fixed mounting of bottom plate has high-pressure gas holder, the top of high-pressure gas holder is equipped with external pipeline, the outside of external pipeline is equipped with the control valve.

Preferably, the gas transmission pipeline is connected with a gas storage tank, and the gas storage tank is connected with the induced draft fan through a gas outlet pipeline.

Preferably, the desulfurization chamber includes the gas leakage plywood, the inside fixed mounting of purifying box has the separation layer, the gas leakage plywood is connected with the air supply pipeline.

Preferably, the dehydrogenation room includes the layer that absorbs water, the last surface mounting of purifying box has the oxygen jar, the top of oxygen jar is installed the oxygen therapy pipeline, the oxygen therapy pipeline runs through the layer that absorbs water.

Preferably, the purification box is connected with a compressor through a first connecting pipe, and the compressor is connected with a high-pressure air storage tank through a second connecting pipe.

(III) advantageous effects

The utility model provides a be used for landfill gas collection and recycle device. Has the following beneficial effects:

1. this a device for landfill gas is collected and recycles through purifying box, breather pipe, oxygen jar, oxygen therapy pipeline, gas leakage plywood, separation and keep off the plywood and the cooperation on layer that absorbs water uses for the marsh gas that the landfill produced is collected through the bottom plate, then carries out the purification treatment to marsh gas through carrying, gets rid of sulphide and hydride that contain in the marsh gas, makes marsh gas purer, and the user of being convenient for carries out safe handling.

2. This a device for landfill gas is collected and is recycled, through the cooperation of first connecting pipe, compressor, second connecting pipe, high-pressure gas holder, external pipeline, control valve use for gas after the purification treatment passes through the compression volume, pours into high-pressure gas holder and stores, increases storage space, is convenient for provide the marsh gas of continuous and use for people, thereby carries out fine collection and the purpose of recycling to the gas of landfill.

Drawings

Fig. 1 is one of the schematic three-dimensional structures of the present invention;

FIG. 2 is a second schematic perspective view of the present invention;

fig. 3 is a schematic view of the structure of the present invention in partial section.

In the figure: the air-purifying device comprises a base plate 1, a gas collecting well 2, an air extraction pipeline 3, an air extractor 4, a gas transmission pipeline 5, a gas storage tank 6, a support frame 7, an air outlet pipeline 8, an induced draft fan 9, an air supply pipeline 10, a purification box 11, a vent pipe 12, an oxygen tank 13, an oxygen transmission pipeline 14, an air leakage layer plate 15, a barrier layer plate 16, a water absorption layer 17, a first connecting pipe 18, a compressor 19, a second connecting pipe 20, a high-pressure gas storage tank 21, an external pipeline 22 and a control valve 23.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples.

The embodiment of the utility model provides a gas collecting and recycling device for landfill, as shown in fig. 1-3, comprising a bottom plate 1, wherein the surface of the bottom plate 1 is provided with a gas collecting well 2, the top of the gas collecting well 2 is fixedly provided with an air exhaust pipeline 3, one end of the air exhaust pipeline 3 is fixedly provided with an air pump 4, the upper surface of the air pump 4 is fixedly provided with a gas transmission pipeline 5, the upper surface of the bottom plate 1 is fixedly provided with a support frame 7, the upper surface of the support frame 7 is fixedly provided with a gas storage tank 6, the gas in the gas collecting well 2 is conveyed into the gas storage tank 6 through the air pump 4, the air exhaust pipeline 3 and the gas transmission pipeline 5 for storage by arranging the matching of the gas collecting well 2, the air exhaust pipeline 3 and the air pump 4 and the gas transmission pipeline 5, so as to be used for subsequent treatment gas, the upper surface of the bottom plate 1 is fixedly provided with a draught, an air supply pipeline 10 is fixedly arranged on the upper surface of an induced draft fan 9, a purifying box 11 is fixedly arranged on the upper surface of a bottom plate 1, a desulfurization chamber and a dehydrogenation chamber are respectively arranged in the purifying box 11, and through the arrangement of the induced draft fan 9, the air supply pipeline 8, the cooperation of the air supply pipeline 10 and the purifying box 11, gas is conveyed into the purifying box 11 through the induced draft fan 9 and the air supply pipeline 10 to be subjected to desulfurization and dehydrogenation treatment, so that the gas is purified, the gas is more pure, the combustion use danger is reduced, a compressor 19 is fixedly arranged on the upper surface of the bottom plate 1, a first connecting pipe 18 is fixedly arranged on one side of the compressor 19, a second connecting pipe 20 is fixedly arranged on the other side of the compressor 19, a high-pressure gas storage tank 21 is fixedly arranged on the upper surface of the bottom plate 1, an external pipeline 22 is arranged at, through the cooperation of setting up compressor 19 and high-pressure gas holder 21, the gas after will purifying is stored in high-pressure gas holder 21 through compression processing, supplies gas to the user through control valve 23 and uses, and the potential safety hazard of using is reduced to the marsh gas through desulfurization and dehydrogenation.

Specifically, gas transmission pipeline 5 is connected with gas holder 6, and gas holder 6 is connected with draught fan 9 through gas outlet pipe way 8, and through setting up gas transmission pipeline 5 and gas holder 6 and the cooperation of gas outlet pipe way 8 and draught fan 9, carries out the transmission of gas between gas collecting well 2 and gas holder 6 and purifying box 11, improves the efficiency of gas transportation, improves purification efficiency.

Specifically, the desulfurization chamber includes gas leakage plywood 15, and the inside fixed mounting of purifying box 11 has barrier layer 16, and gas leakage plywood 15 is connected with supply gas pipeline 10, through setting up the cooperation of gas leakage plywood 15 and barrier layer plywood 16 for gas blocks through each side, carries out abundant contact reaction with the desulfurizing agent, makes desulfurization effect reach the best.

Specifically, the dehydrogenation room is including layer 17 that absorbs water, the last surface mounting of purifying box 11 has oxygen tank 13, oxygen therapy pipeline 14 is installed at the top of oxygen tank 13, oxygen therapy pipeline 14 runs through layer 17 that absorbs water, through setting up the cooperation that layer 17 and oxygen tank 13 and oxygen therapy pipeline 14 absorb water, under the different proportion of hydrogen and oxygen proportion, provide the water that oxygen and hydrogen reaction obtained through oxygen tank 13 and adsorb through layer 17 that absorbs water, make gas obtain fine dehydrogenation, increase the purity of marsh gas.

Specifically, the purifying box 11 is connected with the compressor 19 through the first connecting pipe 18, the compressor 19 is connected with the high-pressure gas storage tank 21 through the second connecting pipe 20, and through the cooperation of the first connecting pipe 18, the compressor 19, the second connecting pipe 20 and the high-pressure gas storage tank 21, purified methane is conveniently compressed into the high-pressure gas storage tank 21 for storage, and is conveniently conveyed to people for use.

All the electric equipment in the scheme supplies power through the external power supply.

The working principle is as follows: during the use, start air extractor 4 and make the gas in the gas collecting well 2 carry the gas holder 6 through bleed-off line 3 and gas transmission pipeline 5 and store in, then make the gas in the gas holder 6 through starting draught fan 9, carry the purge bin 11 in through gas outlet pipe 8 and gas transmission pipeline 10, through the blockking of gas leakage plywood 15 and separation plywood 16, make the abundant contact reaction of sulphide and desulfurizing agent, then carry the gas to the dehydrogenation room through breather pipe 12, inject some oxygen to the dehydrogenation room through oxygen jar 13 and oxygen transmission pipeline 14, make the water that oxygen and hydrogen reaction produced absorb through water absorption layer 17, carry out desulfurization and dehydrogenation treatment, compress the gas after purifying through compressor 19, store in high pressure gas holder 21, be convenient for using through control valve 23 to the user's gas supply.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A device for landfill gas collection and recycling, comprising a base plate (1), characterized in that: the surface of the bottom plate (1) is provided with a gas collecting well (2), the top fixed mounting of the gas collecting well (2) is provided with an air exhaust pipeline (3), one end fixed mounting of the air exhaust pipeline (3) is provided with an air pump (4), the upper fixed surface of the air pump (4) is provided with a gas transmission pipeline (5), the upper fixed surface of the bottom plate (1) is provided with a support frame (7), the upper fixed surface of the support frame (7) is provided with a gas storage tank (6), the upper fixed surface of the bottom plate (1) is provided with a draught fan (9), one side fixed mounting of the draught fan (9) is provided with a gas outlet pipeline (8), the upper fixed surface of the draught fan (9) is provided with a gas supply pipeline (10), the upper fixed surface of the bottom plate (1) is provided with a purifying box (11), and the inside of the purifying box (, the last fixed surface of bottom plate (1) installs compressor (19), one side fixed mounting of compressor (19) has first connecting pipe (18), the opposite side fixed mounting of compressor (19) has second connecting pipe (20), the last fixed surface of bottom plate (1) installs high pressure gas holder (21), the top of high pressure gas holder (21) is equipped with external pipeline (22), the outside of external pipeline (22) is equipped with control valve (23).

2. A landfill gas collection and reuse apparatus according to claim 1, wherein: the gas transmission pipeline (5) is connected with the gas storage tank (6), and the gas storage tank (6) is connected with the draught fan (9) through the gas outlet pipeline (8).

3. A landfill gas collection and reuse apparatus according to claim 1, wherein: the desulfurization chamber includes gas leakage plywood (15), the inside fixed mounting of purifying box (11) has barrier layer (16), gas leakage plywood (15) are connected with air feed pipeline (10).

4. A landfill gas collection and reuse apparatus according to claim 1, wherein: the dehydrogenation chamber comprises a water absorption layer (17), an oxygen tank (13) is mounted on the upper surface of the purification box (11), an oxygen pipeline (14) is mounted at the top of the oxygen tank (13), and the oxygen pipeline (14) penetrates through the water absorption layer (17).

5. A landfill gas collection and reuse apparatus according to claim 1, wherein: the purification box (11) is connected with a compressor (19) through a first connecting pipe (18), and the compressor (19) is connected with a high-pressure air storage tank (21) through a second connecting pipe (20).