WO2022095500A1 - Système de stockage à double membrane de biogaz pour centrale électrique d'incinération de déchets - Google Patents

Système de stockage à double membrane de biogaz pour centrale électrique d'incinération de déchets Download PDF

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Publication number
WO2022095500A1
WO2022095500A1 PCT/CN2021/106133 CN2021106133W WO2022095500A1 WO 2022095500 A1 WO2022095500 A1 WO 2022095500A1 CN 2021106133 W CN2021106133 W CN 2021106133W WO 2022095500 A1 WO2022095500 A1 WO 2022095500A1
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WO
WIPO (PCT)
Prior art keywords
membrane
pressure regulating
biogas
gas
regulating chamber
Prior art date
Application number
PCT/CN2021/106133
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English (en)
Chinese (zh)
Inventor
丁鹏
刘万鹏
周钟银
袁洪涛
李聪
张泽驰
Original Assignee
深圳市深能环保东部有限公司
深圳市能源环保有限公司
深圳市深能环保城市环境服务有限公司
潮州深能环保有限公司
桂林市深能环保有限公司
武汉深能环保新沟垃圾发电有限公司
单县深能环保有限公司
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Application filed by 深圳市深能环保东部有限公司, 深圳市能源环保有限公司, 深圳市深能环保城市环境服务有限公司, 潮州深能环保有限公司, 桂林市深能环保有限公司, 武汉深能环保新沟垃圾发电有限公司, 单县深能环保有限公司 filed Critical 深圳市深能环保东部有限公司
Publication of WO2022095500A1 publication Critical patent/WO2022095500A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17B—GAS-HOLDERS OF VARIABLE CAPACITY
    • F17B1/00—Gas-holders of variable capacity
    • F17B1/02—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75—Multi-step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17B—GAS-HOLDERS OF VARIABLE CAPACITY
    • F17B1/00—Gas-holders of variable capacity
    • F17B1/02—Details
    • F17B1/12—Gas admission or discharge arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17B—GAS-HOLDERS OF VARIABLE CAPACITY
    • F17B1/00—Gas-holders of variable capacity
    • F17B1/02—Details
    • F17B1/14—Safety devices, e.g. prevention of excess pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/304—Hydrogen sulfide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/306—Organic sulfur compounds, e.g. mercaptans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/406—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708—Volatile organic compounds V.O.C.'s
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0629—Two walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/04—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by other properties of handled fluid after transfer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/20—Capture or disposal of greenhouse gases of methane

Definitions

  • the invention relates to a biogas storage system of a waste incineration plant, in particular to a biogas double-membrane storage system of a waste incineration power plant.
  • biogas Due to its flammable, explosive, and corrosive characteristics, biogas has high requirements for gas storage devices. In addition to anti-ultraviolet and anti-microbial functions, the double-membrane storage system can also effectively resist the corrosiveness of biogas gas. It has the characteristics of safety and durability, low cost and high utilization rate, and has been widely used in China. At present, the biogas produced by the anaerobic digestion of leachate in the waste incineration power plant is burned into the furnace to realize the effective utilization of resources. During the use of the double-membrane storage system, the odor generated by the surrounding environment due to the escape of biogas has seriously affected the environmental sanitation of the waste incineration plant, which makes people resist the impression of the incineration plant.
  • the biogas double-membrane storage system includes an explosion-proof fan, a check valve, a safety valve, a bottom membrane, an outer membrane, an inner membrane, an air intake pipe and a bottom plate, the bottom membrane is attached and fixed on the bottom plate, and the 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 the biogas generated by the biogas digester enters the gas storage space through the intake pipe . Due to the particularity of the membrane material, it is inevitable that biogas will escape from the storage space through the membrane material to the surge chamber and then from the outer membrane to the atmosphere. serious.
  • the gas in the surge chamber When the gas inside the surge chamber is overpressured, the gas in the surge chamber is discharged through the safety valve to ensure that the system maintains a constant pressure state and the system is in a safe state.
  • the gas in the surge chamber is directly discharged into the atmosphere through a safety valve, which seriously affects the sanitation of the surrounding environment.
  • the present invention proposes a biogas double-membrane storage system for a waste incineration power plant. Due to the addition of a pressure regulating and exhausting device, when the gas pressure in the pressure regulating chamber is overpressured, the The pressure regulator is turned on, and the gas in the surge chamber enters the alkali scrubbing tower and the deodorizing spray tower in turn through the pipeline, and is discharged after treatment.
  • the biogas is discharged protectively through the pressure regulating and exhausting device, and will not be directly discharged into the atmosphere, which not only avoids the generation of peculiar smell, but also greatly improves the safety, effectively solving the existing technical problems.
  • a biogas double-membrane storage system for a waste incineration power plant includes an explosion-proof fan, a check valve, a safety valve, a bottom membrane, an outer membrane, an inner membrane, an air intake pipe and a bottom plate.
  • the bottom film is attached and fixed on the bottom plate, a closed air storage space is formed between the bottom film and the inner film, a pressure regulating chamber is formed between the inner film and the outer film, and the biogas tank generates
  • the biogas enters the gas storage space through the air inlet pipe, and is characterized in that a pressure regulating and exhausting device is added.
  • the pressure regulating and exhausting device sequentially includes a pressure regulator, an alkali washing tower, a deodorant A spray tower, a first connecting pipe connecting the pressure regulator and the pressure regulating chamber, and a second connecting pipe connecting the alkali washing tower and the deodorizing spray tower, and the pressure regulating device is connected to the The pressure regulating chamber is connected.
  • the pressure regulator is opened, and the gas in the pressure regulating chamber is discharged into the alkali scrubbing tower through the first connecting pipe, and then discharged through the second connecting pipe.
  • Deodorizing spray tower When the gas in the pressure regulating chamber is overpressured, the pressure regulator is opened, and the gas in the pressure regulating chamber is discharged into the alkali scrubbing tower through the first connecting pipe, and then discharged through the second connecting pipe.
  • 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 present invention proposes a biogas double-membrane storage system for a waste incineration power plant. Due to the addition of a pressure regulating and exhausting device, when the gas pressure in the pressure regulating chamber is overpressured, the pressure regulator of the pressure regulating and exhausting device is opened. , The gas from the surge chamber enters the alkali scrubbing tower and the deodorizing spray tower in turn through the pipeline, and is discharged after treatment. The biogas is discharged through the pressure regulating exhaust device for protection, and will not be directly discharged into the atmosphere, which not only avoids the generation of peculiar smell, but also greatly improves the safety.
  • 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.
  • FIG. 1 is a schematic structural diagram of an embodiment of the prior art.
  • a biogas dual-membrane storage system for a waste incineration power plant includes 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, and an air intake pipe 7. and the bottom plate 8, the bottom film 4 is attached and fixed on the bottom plate 8, a closed air storage space 6.1 is formed between the bottom film 4 and the inner film 6, and the inner film 6 and the outer A pressure regulating chamber 5.1 is formed between the membranes 5, and the biogas generated by the biogas digester enters the gas storage space 6.1 through the air intake pipe 7.
  • FIG. 2 is a schematic structural diagram of an embodiment of the present invention.
  • a biogas double-membrane storage system for a waste incineration power plant includes 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 intake pipe 7 and Bottom plate 8, the bottom film 4 is attached and fixed on the bottom plate 8, a closed air storage space 6.1 is formed between the bottom film 4 and the inner film 6, the inner film 6 and the outer film A pressure regulating chamber 5.1 is formed between 5, and the biogas generated by the biogas digester enters the gas storage space 6.1 through the intake pipe 7.
  • the pressure regulating and exhausting device includes a pressure regulator 9, an alkali washing tower 10, a deodorization device in sequence.
  • the pressure regulator 9 When the pressure regulating chamber 5.1 is overpressured, the pressure regulator 9 is opened, and the gas in the pressure regulating chamber 5.1 is discharged into the alkali scrubbing tower through the first connecting pipe 9.1 10, and then discharged into the deodorizing spray tower 11 through the second connecting pipeline 10.1.
  • the safety valve 3 only plays a double protection role.
  • the present invention suggests that the gas pressure in the surge chamber 5.1 can be controlled within the range of 1000-2000 Kpa.
  • the present invention suggests that sodium hydroxide and sodium hypochlorite are used as the circulating liquid in the inner tower of the alkali washing tower 10, and the pH of the circulating liquid is controlled to be 12-14.
  • the purification efficiency can reach more than 95%.
  • the circulating liquid of the deodorizing spray tower 11 adopts an aromatic deodorant, which can efficiently remove the residual part in the gas after the alkali washing, and the discharged gas has an aromatic effect and has the effect of beautifying the environment.
  • the explosion-proof fan 1 can be controlled by frequency conversion. By adjusting the frequency of explosion-proof fan 1, the ventilation air volume in the surge chamber can be changed, so that the gas flow in the surge chamber has fluidity, and the safety performance of the double-membrane storage system is improved.
  • the pressure regulator 9 of the pressure regulating and exhausting device is opened, and the gas in the pressure regulating chamber 5.1 enters the alkali scrubbing tower 10 through the pipeline in turn, removes the The smelly spray tower 11 is discharged after treatment.
  • the biogas is discharged through the pressure regulating exhaust device for protection, and will not be directly discharged into the atmosphere, which not only avoids the generation of peculiar smell, but also greatly improves the safety.
  • FIG. 3 is a schematic structural diagram of another embodiment of the present invention.
  • the figure shows that, in this example, 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, the inner membrane 6, the bottom membrane 4 and the bottom plate 8 are sealed The joints between are sealed by water seals 12.11, 12.12. Water sealing can further improve the sealing effect.
  • the present invention suggests that the height of the water seal can reach 200mm.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)

Abstract

L'invention concerne un système de stockage à double membrane de biogaz pour une centrale électrique d'incinération de déchets. Le système comprend un ventilateur antidéflagrant (1), un clapet de non-retour (2), une soupape de sécurité (3), une membrane inférieure (4), une membrane externe (5), une membrane interne (6), un tuyau d'admission de gaz (7) et une plaque inférieure (8), la membrane inférieure (4) est fixée et solidaire à la plaque inférieure (8), un espace de stockage de gaz fermé (6.1) est formée entre la membrane inférieure (4) et la membrane interne (6), une chambre de régulation de pression (5.1) est formée entre la membrane interne (6) et la membrane externe (5), et le biogaz généré par un digesteur de biogaz entre dans l'espace de stockage de gaz (6.1) au moyen du tuyau d'admission de gaz (7). Un dispositif d'échappement à régulation de pression est conçu également pour, lorsque l'intensité de pression du gaz dans la chambre de régulation de pression (5.1) subit une surpression, ouvrir un régulateur de pression (9) du dispositif d'échappement de régulation de pression, et du gaz dans la chambre de régulation de pression (5.1) entre dans une tour de lavage alcaline (10) et une tour de pulvérisation désodorisante (11) au moyen d'une canalisation de traitement, puis est déchargé et n'est pas directement déchargé dans l'atmosphère, de telle sorte qu'une odeur particulière est empêchée d'être générée dans l'environnement ambiant, ce qui permet d'assurer en outre la sécurité du système, et de résoudre de manière efficace les problèmes de l'état de la technique.
PCT/CN2021/106133 2020-11-06 2021-07-14 Système de stockage à double membrane de biogaz pour centrale électrique d'incinération de déchets WO2022095500A1 (fr)

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CN202011230212.0A CN112253984A (zh) 2020-11-06 2020-11-06 一种垃圾焚烧发电厂沼气双膜储存系统
CN202011230212.0 2020-11-06

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Publication number Priority date Publication date Assignee Title
CN112253984A (zh) * 2020-11-06 2021-01-22 深圳市深能环保东部有限公司 一种垃圾焚烧发电厂沼气双膜储存系统

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KR20120094207A (ko) * 2011-02-16 2012-08-24 황홍연 이중밀페형 구조의 바이오 가스 저장조
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CN206754793U (zh) * 2017-03-29 2017-12-15 上海治汇环保设备有限公司 一种双膜气柜储气装置
CN207762544U (zh) * 2018-01-24 2018-08-24 青岛利德恒业机械有限公司 一种双膜独立气柜
CN208817076U (zh) * 2018-09-21 2019-05-03 四川蒙德斯环保科技有限公司 一种一体化双膜气膜柜
CN208907548U (zh) * 2018-09-14 2019-05-28 河南鸿昇环保设备制造有限公司 一种湿式双膜沼气储气柜
CN211562466U (zh) * 2020-01-02 2020-09-25 诸城市新日东机械厂 一种餐厨垃圾废气处理设备
CN112253984A (zh) * 2020-11-06 2021-01-22 深圳市深能环保东部有限公司 一种垃圾焚烧发电厂沼气双膜储存系统

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11132397A (ja) * 1997-07-18 1999-05-21 Eurotec:Kk ガス貯蔵装置
KR20120094207A (ko) * 2011-02-16 2012-08-24 황홍연 이중밀페형 구조의 바이오 가스 저장조
CN204281411U (zh) * 2014-12-04 2015-04-22 九江力山环保科技有限公司 一种利用污水处理ic反应器产生沼气进行发电的装置
CN206754793U (zh) * 2017-03-29 2017-12-15 上海治汇环保设备有限公司 一种双膜气柜储气装置
CN207762544U (zh) * 2018-01-24 2018-08-24 青岛利德恒业机械有限公司 一种双膜独立气柜
CN208907548U (zh) * 2018-09-14 2019-05-28 河南鸿昇环保设备制造有限公司 一种湿式双膜沼气储气柜
CN208817076U (zh) * 2018-09-21 2019-05-03 四川蒙德斯环保科技有限公司 一种一体化双膜气膜柜
CN211562466U (zh) * 2020-01-02 2020-09-25 诸城市新日东机械厂 一种餐厨垃圾废气处理设备
CN112253984A (zh) * 2020-11-06 2021-01-22 深圳市深能环保东部有限公司 一种垃圾焚烧发电厂沼气双膜储存系统

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