CN219775446U - Biogas buffer tank - Google Patents
Biogas buffer tank Download PDFInfo
- Publication number
- CN219775446U CN219775446U CN202223557455.2U CN202223557455U CN219775446U CN 219775446 U CN219775446 U CN 219775446U CN 202223557455 U CN202223557455 U CN 202223557455U CN 219775446 U CN219775446 U CN 219775446U
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- China
- Prior art keywords
- buffer tank
- temperature control
- biogas
- tank main
- buffer
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000012856 packing Methods 0.000 claims abstract description 35
- 239000000945 filler Substances 0.000 claims abstract description 12
- 239000011148 porous material Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a biogas buffer tank, which comprises a buffer tank body which is vertically arranged, wherein a biogas inlet pipe is arranged at one side of the bottom of the buffer tank body, a biogas outlet pipe is arranged at the top of the buffer tank body, two filler modules which are arranged up and down are arranged at the lower part of the inner cavity of the buffer tank body, a temperature control module is arranged at the upper part of the inner cavity of the buffer tank body, and lifting lugs are arranged at the tops of the filler modules and the temperature control module; a first buffer cavity is formed between the lower packing module and the inner wall of the buffer tank main body, a second buffer cavity is arranged between the two packing modules, a third buffer cavity is formed between the upper packing module and the temperature control module, and a fourth buffer cavity is formed between the top of the temperature control module and the inner wall of the buffer tank main body. According to the buffer tank provided by the utility model, on the premise of ensuring the stable flow of methane, sulfide and moisture carried in the methane are adsorbed, and the temperature control treatment of the methane is realized.
Description
Technical Field
The utility model relates to a biogas buffer tank, and belongs to the technical field of biogas power generation.
Background
The pressure of the biogas subjected to anaerobic fermentation is about 2KPa, the biogas is a novel energy source, and the pressure required by biogas utilization equipment is greater than 2KPa, so that the biogas must be pressurized and stabilized, and the normal operation of the biogas equipment and the biogas utilization efficiency are ensured. The principle of pressurization and pressure stabilization is that methane enters a system through a pipeline, an explosion-proof Roots booster fan automatically operates after a control cabinet is opened, the pressure of the entering methane is increased, the pressure is controlled to be a pressure value which meets the requirement of methane utilization equipment through the adjustment of a frequency converter and a pressure transmitter, the methane subjected to pressurization and pressure stabilization enters a buffer tank for buffering, and the methane enters a pipeline for the next step after buffering and is conveyed to the methane equipment for normal use.
The existing buffer tank has single function and can only keep the air flow stable, but has no capability of effectively treating sulfide, moisture and the like in methane, the sulfide, the moisture and the like can generate sulfur oxides and acidic substances in subsequent utilization, and the corrosion to parts of equipment is easy to cause, so that the operation condition and the service life of the equipment are influenced.
The temperature of the biogas can be changed in the pressurizing process of the Roots blower, so that the temperature of the biogas in the buffer tank is unstable, the energy density of the biogas and the heat value of the unit volume are changed, and the operation condition of the subsequent biogas utilization equipment is affected.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides the biogas buffer tank, which is used for carrying out adsorption treatment on sulfide and moisture carried in biogas and realizing temperature control treatment on the biogas on the premise of ensuring the stable flow of the biogas.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the biogas buffer tank comprises a buffer tank body which is vertically arranged, a biogas inlet pipe is arranged at one side of the bottom of the buffer tank body, a biogas outlet pipe is arranged at the top of the buffer tank body, two filler modules which are arranged up and down are arranged at the lower part of the inner cavity of the buffer tank body, a temperature control module is arranged at the upper part of the inner cavity of the buffer tank body, and lifting lugs are arranged at the tops of the filler modules and the temperature control module;
a first buffer cavity is formed between the lower packing module and the inner wall of the buffer tank main body, a second buffer cavity is arranged between the two packing modules, a third buffer cavity is formed between the upper packing module and the temperature control module, and a fourth buffer cavity is formed between the top of the temperature control module and the inner wall of the buffer tank main body.
An optimization scheme is that the air outlet end of the biogas inlet pipe extends into the inner cavity of the buffer tank main body, and the air outlet end is in a 90-degree bent pipe shape.
Further, the axis of the air outlet of the biogas inlet pipe and the axis of the buffer tank main body are coaxially arranged.
Further, the two ends of the buffer tank main body are provided with sealing heads, and the sealing heads at the top end of the buffer tank main body are detachable; the bottom of the buffer tank main body is provided with a drain pipe.
Furthermore, the biogas inlet pipe and the biogas outlet pipe are respectively provided with a flow valve, and the sewage pipes are respectively provided with a switch valve.
Further, the packing module is composed of an outer packing cover and an inner packing, and the packing cover wraps the packing to form a whole.
Further, the temperature control module comprises two pore plates which are arranged up and down, a plurality of heat exchange pipes are arranged between the two pore plates, and two ends of each heat exchange pipe are fixedly connected with the pore plates; the outside of heat exchange tube is equipped with the barrel, and the both ends and the orifice plate fixed connection of barrel, orifice plate, heat exchange tube and barrel constitute a whole, and barrel outer wall can with buffer tank main part inner wall sliding connection.
Further, the cylinder is connected with a temperature control medium inlet pipe and a temperature control medium outlet pipe in a threaded manner.
Further, the temperature control medium inlet pipe and the temperature control medium outlet pipe are communicated with the inner cavity of the cylinder body, the height of the temperature control medium outlet pipe is higher than that of the temperature control medium inlet pipe, and the temperature control medium inlet pipe and the temperature control medium outlet pipe penetrate through the side wall of the buffer tank body.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
the biogas enters the buffer tank main body and sequentially flows into the first buffer cavity, the second buffer cavity, the third buffer cavity and the fourth buffer cavity, and finally is guided out, so that the pressure of the biogas is controlled, the stability of the airflow is maintained, and abrupt change is avoided;
the methane is desulfurized and dehydrated in the filling module in the flowing state, and the clean methane obtained after the treatment enters the temperature control module to adjust the temperature, so that the temperature of the methane is kept within a certain range, and the energy density and the heat value of unit volume of the methane are ensured to be constant.
The utility model will now be described in detail with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a schematic structural view of a packing module;
fig. 4 is a schematic structural view of the temperature control module.
In the figure, a 1-buffer tank main body, a 2-biogas inlet pipe, a 3-biogas outlet pipe, a 4-sewage discharge pipe, a 5-packing module, a 51-packing cover, 52-packing, a 6-temperature control module, a 61-pore plate, a 62-cylinder, a 63-heat exchange pipe, a 64-temperature control medium inlet pipe, a 65-temperature control medium outlet pipe, a 7-lifting lug, an 8-first buffer cavity, a 9-second buffer cavity, a 10-third buffer cavity and an 11-fourth buffer cavity.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
As shown in fig. 1-4 together, the utility model provides a biogas buffer tank, which comprises a buffer tank body 1 arranged vertically, wherein sealing heads are arranged at two ends of the buffer tank body 1, and the sealing heads at the top end of the buffer tank body 1 are detachable.
One side of the bottom of the buffer tank body 1 is provided with a methane inlet pipe 2, the top of the buffer tank body 1 is provided with a methane outlet pipe 3, and the bottom of the buffer tank body 1 is provided with a sewage discharge pipe 4.
Flow valves are arranged on the biogas inlet pipe 2 and the biogas outlet pipe 3, and switch valves are arranged on the sewage pipes 4.
The gas outlet end of the biogas inlet pipe 2 extends into the inner cavity of the buffer tank main body 1, the gas outlet end is in a 90-degree bent pipe shape, and the axis of the gas outlet of the biogas inlet pipe 2 and the axis of the buffer tank main body 1 are coaxially arranged.
Two filler modules 5 which are arranged up and down are arranged at the lower part of the inner cavity of the buffer tank main body 1, and a temperature control module 6 is arranged at the upper part of the inner cavity of the buffer tank main body 1.
Lifting lugs 7 are arranged at the tops of the packing module 5 and the temperature control module 6, lifting lugs 7 are used for lifting conveniently, and assembling and disassembling of the packing module 5 and the temperature control module 6 are convenient to complete.
A first buffer cavity 8 is formed between the lower packing module 5 and the inner wall of the buffer tank body 1, a second buffer cavity 9 is arranged between the two packing modules 5, a third buffer cavity 10 is formed between the upper packing module 5 and the temperature control module 6, and a fourth buffer cavity 11 is formed between the top of the temperature control module 6 and the inner wall of the buffer tank body 1.
The air outlet of the biogas inlet pipe 2 is positioned in the first buffer cavity 8.
The packing module 5 is composed of an outer packing cover 51 and an inner packing 52, and the packing cover 51 wraps the packing 52 to form a whole.
The filler 52 in one filler module 5 is used for realizing desulfurization adsorption treatment on the biogas, and the filler 52 in the other filler module 5 is used for realizing dehydration adsorption treatment on the biogas so as to improve the cleanliness of the biogas.
The temperature control module 6 comprises two pore plates 61 which are arranged up and down, a plurality of heat exchange tubes 63 are arranged between the two pore plates 61, two ends of each heat exchange tube 63 are fixedly connected with the pore plates 61, a cylinder 62 is arranged outside each heat exchange tube 63, two ends of each cylinder 62 are fixedly connected with the pore plates 61, the heat exchange tubes 63 and the cylinders 62 form a whole, and the outer wall of each cylinder 62 can be in sliding connection with the inner wall of the buffer tank main body 1.
The barrel 62 is in threaded connection with a temperature control medium inlet pipe 64 and a temperature control medium outlet pipe 65, the temperature control medium inlet pipe 64 and the temperature control medium outlet pipe 65 are communicated with the inner cavity of the barrel 62, the height of the temperature control medium outlet pipe 65 is higher than that of the temperature control medium inlet pipe 64, the temperature control medium inlet pipe 64 and the temperature control medium outlet pipe 65 penetrate through the side wall of the buffer tank main body 1, and the penetrating position is sealed.
The biogas exchanges heat with the temperature control medium outside the heat exchange tube 63 in the flowing process of the heat exchange tube 63, thereby realizing temperature regulation and control and ensuring that the temperature of the biogas is kept within a certain range.
The specific working principle of the utility model is as follows:
the biogas enters the buffer tank body 1 from the biogas inlet pipe 2, flows into the first buffer cavity 8, the second buffer cavity 9, the third buffer cavity 10 and the fourth buffer cavity 11 in sequence, and is finally led out from the biogas outlet pipe 3, so that the pressure of the biogas is controlled, the stability of the airflow is maintained, and abrupt change is avoided.
The methane is desulfurized and dehydrated in the filler module 5 in the flowing state, and the clean methane obtained after the treatment enters the temperature control module 6 to adjust the temperature, so that the temperature of the methane is kept within a certain range, and the energy density and the heat value of the methane in unit volume are ensured to be constant.
Lifting lugs 7 are arranged at the tops of the packing module 5 and the temperature control module 6, and lifting and dismounting of the packing module 5 and the temperature control module 6 are conveniently finished through the lifting lugs 7.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (9)
1. Biogas buffer tank, including buffer tank main part (1) of vertical setting, bottom one side of buffer tank main part (1) is equipped with marsh gas and advances pipe (2), and the top of buffer tank main part (1) is equipped with marsh gas exit tube (3), its characterized in that:
two filler modules (5) which are arranged up and down are arranged at the lower part of the inner cavity of the buffer tank main body (1), a temperature control module (6) is arranged at the upper part of the inner cavity of the buffer tank main body (1), and lifting lugs (7) are arranged at the tops of the filler modules (5) and the temperature control module (6);
a first buffer cavity (8) is formed between the lower packing module (5) and the inner wall of the buffer tank main body (1), a second buffer cavity (9) is arranged between the two packing modules (5), a third buffer cavity (10) is formed between the upper packing module (5) and the temperature control module (6), and a fourth buffer cavity (11) is formed between the top of the temperature control module (6) and the inner wall of the buffer tank main body (1).
2. The biogas buffer tank of claim 1, wherein: the gas outlet end of the biogas inlet pipe (2) extends into the inner cavity of the buffer tank main body (1), and is in a 90-degree bent pipe shape.
3. The biogas buffer tank of claim 2, wherein: the axis of the air outlet of the biogas inlet pipe (2) and the axis of the buffer tank main body (1) are coaxially arranged.
4. The biogas buffer tank of claim 1, wherein: the two ends of the buffer tank main body (1) are provided with sealing heads, and the sealing heads at the top end of the buffer tank main body (1) are detachable; a drain pipe (4) is arranged at the bottom of the buffer tank main body (1).
5. The biogas buffer tank of claim 1, wherein: flow valves are arranged on the biogas inlet pipe (2) and the biogas outlet pipe (3), and switch valves are arranged on the sewage discharge pipes (4).
6. The biogas buffer tank of claim 1, wherein: the packing module (5) consists of an outer packing cover (51) and an inner packing (52), and the packing cover (51) wraps the packing (52) to form a whole.
7. The biogas buffer tank of claim 1, wherein: the temperature control module (6) comprises two pore plates (61) which are arranged up and down, a plurality of heat exchange pipes (63) are arranged between the two pore plates (61), and two ends of each heat exchange pipe (63) are fixedly connected with the pore plates (61); the outside of heat exchange tube (63) is equipped with barrel (62), and barrel (62) both ends and orifice plate (61) fixed connection, and an integral is constituteed to orifice plate (61), heat exchange tube (63) and barrel (62), and barrel (62) outer wall can with buffer tank main part (1) inner wall sliding connection.
8. The biogas buffer tank of claim 7, wherein: the cylinder body (62) is in threaded connection with a temperature control medium inlet pipe (64) and a temperature control medium outlet pipe (65).
9. The biogas buffer tank of claim 8, wherein: the temperature control medium inlet pipe (64) and the temperature control medium outlet pipe (65) are communicated with the inner cavity of the cylinder body (62), the height of the temperature control medium outlet pipe (65) is higher than that of the temperature control medium inlet pipe (64), and the temperature control medium inlet pipe (64) and the temperature control medium outlet pipe (65) penetrate through the side wall of the buffer tank body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223557455.2U CN219775446U (en) | 2022-12-30 | 2022-12-30 | Biogas buffer tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223557455.2U CN219775446U (en) | 2022-12-30 | 2022-12-30 | Biogas buffer tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219775446U true CN219775446U (en) | 2023-09-29 |
Family
ID=88107796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223557455.2U Active CN219775446U (en) | 2022-12-30 | 2022-12-30 | Biogas buffer tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219775446U (en) |
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2022
- 2022-12-30 CN CN202223557455.2U patent/CN219775446U/en active Active
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| GR01 | Patent grant |