CN205443215U - Marsh gas pressure swing adsorption device of purifing - Google Patents
Marsh gas pressure swing adsorption device of purifing Download PDFInfo
- Publication number
- CN205443215U CN205443215U CN201521116834.5U CN201521116834U CN205443215U CN 205443215 U CN205443215 U CN 205443215U CN 201521116834 U CN201521116834 U CN 201521116834U CN 205443215 U CN205443215 U CN 205443215U
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- swing adsorption
- pressure swing
- gas
- methane
- biogas
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Abstract
The utility model discloses a marsh gas pressure swing adsorption device of purifing includes along the roots fan of marsh gas air current to the setting, pretreatment systems, pressure swing adsorption system, gaseous detecting system and methane gas storage system, pretreatment systems includes filter, digester and dewatering device in proper order, pretreatment systems is equipped with the compressor with the pressure swing adsorption intersystem, the pressure swing adsorption system includes decarbonization device, deoxidation device and denitrification device in proper order, gaseous detecting system's end has two outlet ducts, outlet duct and methane gas storage headtotail, another outlet duct with the compressor is connected, methane gas storage system includes buffer tank and gas holder in proper order, be equipped with explosion -proof equipment in the gas holder. This neotype beneficial effect does: carbon dioxide, oxygen and nitrogen gas in the effective absorption marsh gas to improve the yield of methane, the content of methane increased clean energy's use during the reduction was dropped a hint, reduced environmental pollution.
Description
Technical field
This utility model relates to a kind of Marsh gas purifying device, particularly a kind of biogas Pressure Swing Adsorption device.
Background technology
The living environment of the mankind in environmental pollution serious harm, and in order to reduce the various problems that environmental pollution brings, country widelys popularize clean energy resource.Biogas is the combustible gas of one that various organic substance produces through microbial action under certain condition.Traditional methane purification can use the method for pressure-variable adsorption, restriction yet with adsorbent absorbing carbon dioxide, on the other hand when needing the content of methane is brought up to more than 97%, traditional method of purification just can not be suitable for, and also can cause and drop a hint that middle methane content is too high causes environmental pollution.Therefore for this present situation, in the urgent need to developing a kind of novel purifying plant, to meet actually used needs.
Summary of the invention
The purpose of this utility model is that and overcomes above-mentioned deficiency, it is provided that a kind of biogas Pressure Swing Adsorption device.
For reaching above-mentioned purpose, this utility model is implemented according to techniques below scheme:
nullA kind of biogas Pressure Swing Adsorption device，Including along marsh gas flow to arrange roots blower，Pretreatment system、Pressure swing adsorption system、Gas detecting system and methane gas storage system，Described pretreatment system includes filter successively、Digester and dehydration device，It is provided with compressor between described pretreatment system and pressure swing adsorption system，Described pressure swing adsorption system includes decarbonization device successively、Device for deoxidizing and nitrogen rejection facility，Described decarbonization device is the pressure-swing absorber being filled with decarburization molecular sieve，Described decarbonization device one end connects carbon dioxide storage device，It is provided with vacuum pump between described decarbonization device and carbon dioxide storage device，Described device for deoxidizing is the pressure-swing absorber being filled with deoxidation molecular sieve，Described device for deoxidizing one end connects oxygen-storing device，It is provided with vacuum pump between described device for deoxidizing and oxygen-storing device，Described nitrogen rejection facility is the pressure-swing absorber being filled with denitrogenation molecular sieve，Described nitrogen rejection facility one end connects nitrogen storage device，It is provided with vacuum pump between described nitrogen rejection facility and nitrogen storage device，The end of described gas detecting system has two escape pipes，One escape pipe is connected with methane gas storage system，Another escape pipe is connected with described compressor，Described methane gas storage system includes surge tank and air accumulator successively，Described built in gas tank has explosion-protection equipment.
Further, described digester is 1-2 platform, and described digester is the water absorption device equipped with alkali liquor.
Further, described dehydration device includes 1 moisture trap.
Further, described built in gas tank has pressure transducer.
Further, described explosion-protection equipment is decompression anti-explosion device, including relief valve and rupture disk.
Further, described biogas Pressure Swing Adsorption device uses skid-mounted type structure.
Compared with prior art, the beneficial effects of the utility model are: carbon dioxide, oxygen and the nitrogen that can adsorb in biogas safe efficiently, thus improve the yield of methane, reduce the content of middle methane of dropping a hint, increase the use of clean energy resource, reduce environmental pollution.
Accompanying drawing explanation
Fig. 1 is schematic flow sheet of the present utility model；
Fig. 2 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is further described by specific embodiment, illustrative examples and explanation in this utility model are used for explaining this utility model, but are not intended as restriction of the present utility model.
nullSuch as Fig. 1、A kind of biogas Pressure Swing Adsorption device shown in Fig. 2，Including along marsh gas flow to arrange roots blower 2，Pretreatment system、Pressure swing adsorption system、Gas detecting system 10 and methane gas storage system，Described pretreatment system includes filter 3 successively、Digester 4 and dehydration device 5，Compressor 6 it is provided with between described pretreatment system and pressure swing adsorption system，Described pressure swing adsorption system includes decarbonization device 7 successively、Device for deoxidizing 8 and nitrogen rejection facility 9，Described decarbonization device 7 is the pressure-swing absorber being filled with decarburization molecular sieve，Described decarbonization device 7 one end connects carbon dioxide storage device 14，It is provided with vacuum pump 13 between described decarbonization device 7 and carbon dioxide storage device 14，Described device for deoxidizing 8 is the pressure-swing absorber being filled with deoxidation molecular sieve，Described device for deoxidizing 8 one end connects oxygen-storing device 16，It is provided with vacuum pump 15 between described device for deoxidizing 8 and oxygen-storing device 16，Described nitrogen rejection facility 9 is the pressure-swing absorber being filled with denitrogenation molecular sieve，Described nitrogen rejection facility 9 one end connects nitrogen storage device 18，It is provided with vacuum pump 17 between described nitrogen rejection facility 9 and nitrogen storage device 18，The end of described gas detecting system 10 has two escape pipes，One escape pipe is connected with methane gas storage system，Another escape pipe is connected with described compressor 6，Described methane gas storage system includes surge tank 11 and air accumulator 12 successively，It is provided with explosion-protection equipment in described air accumulator 12，Described digester 4 is 1-2 platform，Described digester 4 is the water absorption device equipped with alkali liquor，Described dehydration device 5 includes 1 moisture trap，It is provided with pressure transducer in described air accumulator 12，Described explosion-protection equipment is decompression anti-explosion device，Including relief valve and rupture disk，Described biogas Pressure Swing Adsorption device uses skid-mounted type structure.
First biogas be pressurized to 50KPa through roots blower, desulfurization, dehydration is carried out after being then passed through filter, it is pressurized to 0.8MPa again through compressor, pass sequentially through decarbonization device, device for deoxidizing and nitrogen rejection facility, adsorb and by vacuum pump evacuation, gas is parsed respectively at the carbon dioxide of each device or oxygen or nitrogen, and store to corresponding storage device, on the one hand the purpose that molecular sieve recycles is reached, realize producing continuously, on the other hand the carbon dioxide, oxygen and the nitrogen that store can also be used in other commercial production, it is to avoid the wasting of resources.Methane purity is being detected after pressure-variable adsorption by biogas by gas-detecting device, qualified gas enters methane gas storage system, as gas purity is defective, gas will purify further again by pressure-swing absorption apparatus, it is ensured that the quality of gained gas.This utility model methane can be purified to more than 97%, and methane yield is high, and discharge capacity is few, and adsorbent is safe and reliable.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology deformation made according to the technical solution of the utility model, within each falling within protection domain of the present utility model.
Claims (6)
- null1. a biogas Pressure Swing Adsorption device，It is characterized in that: include along marsh gas flow to the roots blower arranged，Pretreatment system、Pressure swing adsorption system、Gas detecting system and methane gas storage system，Described pretreatment system includes filter successively、Digester and dehydration device，It is provided with compressor between described pretreatment system and pressure swing adsorption system，Described pressure swing adsorption system includes decarbonization device successively、Device for deoxidizing and nitrogen rejection facility，Described decarbonization device is the pressure-swing absorber being filled with decarburization molecular sieve，Described decarbonization device one end connects carbon dioxide storage device，It is provided with vacuum pump between described decarbonization device and carbon dioxide storage device，Described device for deoxidizing is the pressure-swing absorber being filled with deoxidation molecular sieve，Described device for deoxidizing one end connects oxygen-storing device，It is provided with vacuum pump between described device for deoxidizing and oxygen-storing device，Described nitrogen rejection facility is the pressure-swing absorber being filled with denitrogenation molecular sieve，Described nitrogen rejection facility one end connects nitrogen storage device，It is provided with vacuum pump between described nitrogen rejection facility and nitrogen storage device，The end of described gas detecting system has two escape pipes，One escape pipe is connected with methane gas storage system，Another escape pipe is connected with described compressor，Described methane gas storage system includes surge tank and air accumulator successively，Described built in gas tank has explosion-protection equipment.
- A kind of biogas Pressure Swing Adsorption device the most according to claim 1, it is characterised in that: described digester is 1-2 platform, and described digester is the water absorption device equipped with alkali liquor.
- A kind of biogas Pressure Swing Adsorption device the most according to claim 1, it is characterised in that: described dehydration device includes 1 moisture trap.
- A kind of biogas Pressure Swing Adsorption device the most according to claim 1, it is characterised in that: described built in gas tank has pressure transducer.
- A kind of biogas Pressure Swing Adsorption device the most according to claim 1, it is characterised in that: described explosion-protection equipment is decompression anti-explosion device, including relief valve and rupture disk.
- A kind of biogas Pressure Swing Adsorption device the most according to claim 1, it is characterised in that: described biogas Pressure Swing Adsorption device uses skid-mounted type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116834.5U CN205443215U (en) | 2016-05-03 | 2016-05-03 | Marsh gas pressure swing adsorption device of purifing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116834.5U CN205443215U (en) | 2016-05-03 | 2016-05-03 | Marsh gas pressure swing adsorption device of purifing |
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| Publication Number | Publication Date |
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| CN205443215U true CN205443215U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521116834.5U Expired - Fee Related CN205443215U (en) | 2016-05-03 | 2016-05-03 | Marsh gas pressure swing adsorption device of purifing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653016A (en) * | 2017-11-14 | 2018-02-02 | 合肥创想能源环境科技有限公司 | A kind of method of UF membrane and pressure-variable adsorption combination separating-purifying biogas |
| CN109628182A (en) * | 2018-11-28 | 2019-04-16 | 安徽天马环保装备有限公司 | A kind of biogas pressure washing method of purification and system |
| CN110643404A (en) * | 2019-09-23 | 2020-01-03 | 山东红枫环境能源有限公司 | Two-stage series pressure swing adsorption methane purification system capable of improving methane recovery rate |
| CN111411004A (en) * | 2020-03-31 | 2020-07-14 | 广东石油化工学院 | Method and device for efficiently purifying biogas by using pressure swing adsorption principle |
-
2016
- 2016-05-03 CN CN201521116834.5U patent/CN205443215U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653016A (en) * | 2017-11-14 | 2018-02-02 | 合肥创想能源环境科技有限公司 | A kind of method of UF membrane and pressure-variable adsorption combination separating-purifying biogas |
| CN109628182A (en) * | 2018-11-28 | 2019-04-16 | 安徽天马环保装备有限公司 | A kind of biogas pressure washing method of purification and system |
| CN110643404A (en) * | 2019-09-23 | 2020-01-03 | 山东红枫环境能源有限公司 | Two-stage series pressure swing adsorption methane purification system capable of improving methane recovery rate |
| CN110643404B (en) * | 2019-09-23 | 2024-04-09 | 山东红枫环境能源有限公司 | Two-stage series pressure swing adsorption biogas purification system capable of improving methane recovery rate |
| CN111411004A (en) * | 2020-03-31 | 2020-07-14 | 广东石油化工学院 | Method and device for efficiently purifying biogas by using pressure swing adsorption principle |
| CN111411004B (en) * | 2020-03-31 | 2021-05-14 | 广东石油化工学院 | Method and device for efficiently purifying biogas by using pressure swing adsorption principle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 |