CN214119659U - Two membrane storage systems of msw incineration power plant marsh gas - Google Patents
Two membrane storage systems of msw incineration power plant marsh gas Download PDFInfo
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- CN214119659U CN214119659U CN202022559471.XU CN202022559471U CN214119659U CN 214119659 U CN214119659 U CN 214119659U CN 202022559471 U CN202022559471 U CN 202022559471U CN 214119659 U CN214119659 U CN 214119659U
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- membrane
- pressure regulating
- gas
- pressure
- bottom plate
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- 239000012528 membrane Substances 0.000 title claims abstract description 66
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title abstract description 34
- 230000001105 regulatory effect Effects 0.000 claims abstract description 51
- 238000005406 washing Methods 0.000 claims abstract description 14
- 238000004332 deodorization Methods 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims abstract description 13
- 238000004056 waste incineration Methods 0.000 claims abstract description 7
- 238000010030 laminating Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 5
- 230000001877 deodorizing effect Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 2
- 210000004379 membrane Anatomy 0.000 abstract description 46
- 210000002469 basement membrane Anatomy 0.000 abstract description 6
- 210000002808 connective tissue Anatomy 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 210000000697 sensory organ Anatomy 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 35
- 239000003513 alkali Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- -1 flammability Chemical compound 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical class SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model provides a two membrane storage systems of waste incineration power plant marsh gas, includes explosion-proof fan, check valve, relief valve, basement membrane, adventitia, inner membrance, intake pipe and bottom plate, the basement membrane laminating is fixed on the bottom plate, the basement membrane with constitute an inclosed gas storage space between the intima, the intima with constitute a surge-chamber between the adventitia, the marsh gas warp that the methane-generating pit produced the intake pipe gets into the gas storage space. Because the pressure regulating and exhausting device is additionally arranged, when the gas pressure in the pressure regulating chamber is over-pressure, the pressure regulator of the pressure regulating and exhausting device is opened, the gas in the pressure regulating chamber sequentially enters the alkaline washing tower and the deodorization spray tower through the pipeline, and is discharged after being treated, the discharge is superior to the national first-level discharge standard of malodorous pollutants, the sense organ has no peculiar smell, and the environmental sanitation is ensured. The biogas is protectively discharged through the pressure-regulating exhaust device and is not directly discharged into the atmosphere, so that peculiar smell generated by the surrounding environment is avoided, the system safety is further ensured, and the problems in the prior art are effectively solved.
Description
Technical Field
The utility model relates to a msw incineration factory marsh gas storage system especially relates to a two membrane storage systems of msw incineration power factory marsh gas.
Background
The characteristics of the methane such as flammability, explosiveness, strong corrosivity and the like make the methane have high requirements on gas storage and storage devices. The double-membrane storage system has the functions of ultraviolet resistance and microorganism resistance, can effectively resist the corrosivity of biogas gas, has the characteristics of safety, durability, low manufacturing cost and high utilization rate, and is more and more widely applied in China. At present, the biogas generated by anaerobic digestion of leachate is burnt in a furnace by a waste incineration power plant, so that the effective utilization of resources is realized. In the use process of the double-film storage system, the odor generated by the surrounding environment due to the dissipation of the biogas seriously influences the environmental sanitation of the waste incineration plant, so that people have a contradictory emotion to the impression of the incineration plant.
In the prior art, the biogas double-membrane storage system comprises an explosion-proof fan, a check valve, a safety valve, a bottom membrane, an outer membrane, an inner membrane, an air inlet pipe and a bottom plate, wherein the bottom membrane is fixedly attached to the bottom plate, a closed gas storage space is formed between the bottom membrane and the inner membrane, a pressure regulating chamber is formed between the inner membrane and the outer membrane, and biogas generated by a biogas digester enters the gas storage space through the air inlet pipe. Due to the particularity of the membrane material, the phenomenon that the methane is dispersed to the pressure regulating chamber from the storage space through the membrane material and then to the atmosphere from the outer membrane cannot be avoided, and the phenomenon is more serious along with the rising of the gas pressure of the pressure regulating chamber. When the gas in the pressure regulating chamber is in overpressure, the gas in the pressure regulating chamber is discharged through the safety valve, so that the system is ensured to be in a constant pressure state, and the system is in a safe state. In the prior art, when the gas in the pressure regulating chamber is in overpressure, the gas in the pressure regulating chamber is directly discharged to the atmosphere through the safety valve, and the sanitation of the surrounding environment is seriously influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that exists among the prior art, the utility model provides a two membrane storage systems of msw incineration power plant marsh gas owing to add pressure regulating exhaust apparatus, when the gas pressure superpressure of pressure regulating room, pressure regulating exhaust apparatus's pressure regulator is opened, and the gas in pressure regulating room gets into alkaline washing tower, deodorization spray column in proper order through the pipeline, discharges after handling, is superior to national stench pollutant discharge one-level standard, and the sense organ is free from extraneous odour, ensures sanitation. The biogas is protectively discharged through the pressure-regulating exhaust device and cannot be directly discharged into the atmosphere, so that peculiar smell is avoided, the safety is greatly improved, and the problem in the prior art is effectively solved.
The technical scheme that the utility model solves the technical problem adopts is that, a two membrane storage systems of waste incineration power plant marsh gas, including explosion-proof fan, check valve, relief valve, basement membrane, adventitia, inner membrance, intake pipe and bottom plate, the basement membrane laminating is fixed on the bottom plate, constitute an airtight gas storage space between basement membrane and the inner membrance, constitute a pressure regulating room between intima and the adventitia, marsh gas that the methane-generating pit produced gets into through the intake pipe the gas storage space, characterized by, still add a pressure regulating exhaust apparatus, according to the gas flow direction the pressure regulating exhaust apparatus includes pressure regulator, alkali wash tower, deodorization spray tower in proper order to and connect pressure regulator with the first connecting tube of pressure regulating room and the second connecting tube of connecting alkali wash tower and deodorization spray tower, the pressure regulating apparatus pass through first connecting tube with the pressure regulating room is connected, when the gas in the pressure regulating chamber is in overpressure, the pressure regulator is opened, and the gas in the pressure regulating chamber is discharged into the alkaline washing tower through the first connecting pipeline and then discharged into the deodorizing spray tower through the second connecting pipeline.
Preferably, the joints between the outer membrane, the bottom membrane and the bottom plate are sealed by water sealing, and the joints between the inner membrane, the bottom membrane and the bottom plate are sealed by water sealing.
The utility model has the effects that: the utility model provides a two membrane storage systems of msw incineration power plant marsh gas owing to add pressure regulating exhaust apparatus, when the gas pressure superpressure of surge-chamber, pressure regulating exhaust apparatus's pressure regulator is opened, and the gas in surge-chamber gets into alkali wash tower, deodorization spray column in proper order through the pipeline, discharges after the processing, discharges and is superior to national fetor pollutant discharge one-level standard, and the sense organ is free from extraneous odour, ensures sanitation. The biogas is protectively discharged through the pressure-regulating exhaust device and cannot be directly discharged into the atmosphere, so that peculiar smell is avoided, and the safety is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the prior art.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of another embodiment of the present invention.
In the figure:
1. an anti-explosion fan is arranged on the air conditioner,
2. a check valve is arranged on the upper portion of the valve body,
3. a safety valve is arranged on the upper portion of the safety valve,
4. a bottom film, a top film,
5. an outer membrane, which is a membrane,
5.1 the pressure of the air conditioning chamber,
6. the inner film is a film formed by a plurality of inner films,
6.1 the gas storage space is provided with a gas storage cavity,
7. an air inlet pipe is arranged at the air inlet end of the air inlet pipe,
8. a bottom plate, a plurality of first connecting plates,
9. a pressure regulator is arranged on the upper portion of the shell,
9.1 a first connecting duct, 10.1 a second connecting duct,
10. an alkali washing tower is arranged on the upper portion of the tower,
11. deodorization spray column.
Detailed Description
Fig. 1 is a schematic structural diagram of an embodiment of the prior art. The figure shows that, in the prior art, a biogas double-membrane storage system of a waste incineration power plant comprises an explosion-proof fan 1, a check valve 2, a safety valve 3, a bottom membrane 4, an outer membrane 5, an inner membrane 6, an air inlet pipe 7 and a bottom plate 8, wherein the bottom membrane 4 is attached and fixed on the bottom plate 8, a closed gas storage space 6.1 is formed between the bottom membrane 4 and the inner membrane 6, a pressure regulating chamber 5.1 is formed between the inner membrane 6 and the outer membrane 5, and biogas generated by a biogas digester enters the gas storage space 6.1 through the air inlet pipe 7. Due to the particularity of the membrane material, the phenomena that the methane is diffused to the surge chamber through the membrane material and the outer membrane is diffused to the atmosphere can not be avoided. In the prior art, when the system is overpressurized, the gas in the pressure regulating chamber is directly discharged to the atmosphere through the safety valve 3, so as to ensure that the system is in a constant pressure state. However, the gas in the pressure regulating chamber is directly discharged to the atmosphere through the safety valve, so that the sanitation of the surrounding environment is seriously affected, and potential safety hazards are caused.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention. In the figure, the methane double-membrane storage system of the waste incineration power plant comprises an explosion-proof fan 1, a check valve 2, a safety valve 3, a bottom membrane 4, an outer membrane 5, an inner membrane 6, an air inlet pipe 7 and a bottom plate 8, wherein the bottom membrane 4 is fixedly attached to the bottom plate 8, a closed gas storage space 6.1 is formed between the bottom membrane 4 and the inner membrane 6, a pressure regulating chamber 5.1 is formed between the inner membrane 6 and the outer membrane 5, and methane generated by a methane tank enters the gas storage space 6.1 through the air inlet pipe 7.
Different from the prior art, the figure shows that a pressure regulating and exhausting device is additionally arranged in the embodiment, the pressure regulating and exhausting device sequentially comprises a pressure regulator 9, an alkaline washing tower 10, a deodorization spray tower 11, a first connecting pipeline 9.1 for connecting the pressure regulator 9 and the pressure regulating chamber 5.1 and a second connecting pipeline 10.1 for connecting the alkaline washing tower 10 and the deodorization spray tower 11 according to the gas flowing direction, the pressure regulating device is connected with the pressure regulating chamber 5.1 through the first connecting pipeline 9.1, when the pressure regulating chamber 5.1 is overpressured, the pressure regulator 9 is opened, the gas in the pressure regulating chamber 5.1 is discharged into the alkaline washing tower 10 through the first connecting pipeline 9.1 and then is discharged into the deodorization spray tower 11 through the second connecting pipeline 10.1. The safety valve 3 only plays a double protection role.
The utility model discloses the suggestion, the gas pressure of surge-chamber 5.1 can be controlled in 1000-charge 2000Kpa within range.
The utility model discloses the suggestion, alkaline washing tower 10 inner tower circulation liquid adopts sodium hydroxide and sodium hypochlorite, and control circulation liquid PH is 12 ~ 14, and the indoor gas of pressure regulating gets into the back, through alkali lye washing, can high-efficiently get rid of Volatile Organic Compounds (VOC), hydrogen sulfide, ammonia, mercaptan class and other foul gas, and purification efficiency can reach more than 95% at most. The circulating liquid of the deodorization spray tower 11 adopts an aromatic deodorant, so that the residual part in the gas after washing with the alkali liquor can be efficiently removed, the discharged gas has an aromatic effect, and the effect of beautifying the environment is achieved.
In this example, the explosion-proof fan 1 can be controlled by frequency conversion. The ventilation air quantity in the pressure regulating chamber is changed by adjusting the frequency of the explosion-proof fan 1, so that the air in the pressure regulating chamber flows with fluidity, and the safety performance of the double-film storage system is improved.
In the embodiment, because the pressure regulating and exhausting device is additionally arranged, when the pressure of the gas in the pressure regulating chamber is over-pressure, the pressure regulator 9 of the pressure regulating and exhausting device is opened, and the gas in the pressure regulating chamber 5.1 sequentially enters the alkaline washing tower 10 and the deodorization spray tower 11 through pipelines and is discharged after being processed. The biogas is protectively discharged through the pressure-regulating exhaust device and cannot be directly discharged into the atmosphere, so that peculiar smell is avoided, and the safety is greatly improved.
Fig. 3 is a schematic structural diagram of another embodiment of the present invention. In the example shown, the joints between the outer membrane 5, the bottom membrane 4 and the bottom plate 8 are sealed by water seals 12.21, 12.22, and the joints between the inner membrane 6, the bottom membrane 4 and the bottom plate 8 are sealed by water seals 12.11, 12.12. The water seal can further improve the sealing effect. The utility model discloses the suggestion, water-stop highly can reach 200 mm.
Claims (2)
1. A biogas double-membrane storage system of a waste incineration power plant comprises an explosion-proof fan, a check valve, a safety valve, a bottom membrane, an outer membrane, an inner membrane, an air inlet pipe and a bottom plate, wherein the bottom membrane is fixed on the bottom plate in a laminating manner, a closed air storage space is formed between the bottom membrane and the inner membrane, a pressure regulating chamber is formed between the inner membrane and the outer membrane, biogas generated by a biogas digester enters the air storage space through the air inlet pipe, the biogas double-membrane storage system is characterized in that a pressure regulating and exhausting device is additionally arranged, the pressure regulating and exhausting device sequentially comprises a pressure regulator, an alkaline washing tower, a deodorization spraying tower and a second connecting pipeline which is connected with the pressure regulating chamber and the alkaline washing tower and the deodorization spraying tower according to the gas flowing direction, the pressure regulating device is connected with the pressure regulating chamber through the first connecting pipeline, and when the gas in the pressure regulating chamber is in overpressure, and the pressure regulator is opened, and the gas in the pressure regulating chamber is discharged into the alkaline washing tower through the first connecting pipeline and then discharged into the deodorizing spray tower through the second connecting pipeline.
2. The dual-membrane biogas storage system of claim 1, wherein the joints between the outer membrane, the bottom membrane and the bottom plate are sealed by water-sealing, and the joints between the inner membrane, the bottom membrane and the bottom plate are sealed by water-sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022559471.XU CN214119659U (en) | 2020-11-06 | 2020-11-06 | Two membrane storage systems of msw incineration power plant marsh gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022559471.XU CN214119659U (en) | 2020-11-06 | 2020-11-06 | Two membrane storage systems of msw incineration power plant marsh gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214119659U true CN214119659U (en) | 2021-09-03 |
Family
ID=77503191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022559471.XU Active CN214119659U (en) | 2020-11-06 | 2020-11-06 | Two membrane storage systems of msw incineration power plant marsh gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214119659U (en) |
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2020
- 2020-11-06 CN CN202022559471.XU patent/CN214119659U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Room 101, No.1, environmental protection road, sifangpu community, Pingdi street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Shenneng environmental protection East Co.,Ltd. Patentee after: Shenzhen Energy and environmental protection Co.,Ltd. Patentee after: Shenzhen Shenneng Environmental Protection City Environmental Service Co.,Ltd. Patentee after: Chaozhou Shenneng environmental protection Co.,Ltd. Patentee after: Guilin Shenneng environmental protection Co.,Ltd. Patentee after: WUHAN SHENNENG ENVIRONMENTAL PROTECTION NEW DITCH WASTE POWER GENERATION Co.,Ltd. Patentee after: Shanxian Shenneng environmental protection Co.,Ltd. Address before: 518000 Room 101, No.1, environmental protection road, sifangpu community, Pingdi street, Longgang District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Shenneng environmental protection East Co.,Ltd. Patentee before: SHENZHEN ENERGY ENVIRONMENTAL ENGINEERING Co.,Ltd. Patentee before: Shenzhen Shenneng Environmental Protection City Environmental Service Co.,Ltd. Patentee before: Chaozhou Shenneng environmental protection Co.,Ltd. Patentee before: Guilin Shenneng environmental protection Co.,Ltd. Patentee before: WUHAN SHENNENG ENVIRONMENTAL PROTECTION NEW DITCH WASTE POWER GENERATION Co.,Ltd. Patentee before: Shanxian Shenneng environmental protection Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |