CN204592867U - Low-concentration gas power generation system - Google Patents
Low-concentration gas power generation system Download PDFInfo
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- CN204592867U CN204592867U CN201520209961.3U CN201520209961U CN204592867U CN 204592867 U CN204592867 U CN 204592867U CN 201520209961 U CN201520209961 U CN 201520209961U CN 204592867 U CN204592867 U CN 204592867U
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model relates to a kind of gas electricity system, be specifically related to a kind of low-concentration gas power generation system, provide a kind of water mists transporting system that adopts and ensure light concentration mash gas safety conveying, without the need to the low-concentration gas power generation system to gas pressurization, minimizing on-way resistance, the technological scheme adopted is that water mists transporting system is connected with extraction station interface pipeline by total butterfly valve, is provided with diffusion system between total butterfly valve and extraction station interface; Water mists transporting system is formed primarily of the bubble-cap type overflow water seal fire arrestor connected successively, wire gauzee filter, dry-type fire resisting device, wet-type relief valve, water fog generator and dehydration overflow water seal fire arrestor, and water fog generator is connected with atomization pond by atomization water pump; Liquid water separator is connected with water mists transporting system pipeline, and liquid water separator is connected with absorption tower, and liquid water separator is connected with atomization pond, and absorption tower is connected with fuel-burning equipment pipeline; The utility model is widely used in low-concentration gas power generation.
Description
Technical field
The utility model relates to a kind of gas electricity system, is specifically related to a kind of low-concentration gas power generation system.
Background technique
Under normal circumstances, gas discharge in mine station low concentration gas drainage system outlet pressure is about about 10kPa, " coal mine light concentration mash gas Cemented filling safe-guard system design code " (AQ1076-2009) that transporting system is issued according to State Administration of Quality and Technical Supervision must adopt water mists transporting system or automatic powder spraying system, and domestic low concentration gas gas internal combustion electric generator is to ambient humidity not requirement, only need the gas feed system of installation specification simultaneously simple dehydrating just can enter unit generation, on-way resistance is little, but in actual motion, find unit generation power reduction, gas consumption amount is large, equipment utilization hour number is few.In recent years, along with inlet gas internal combustion engine generator group enters low-concentration gas power generation field, because it is strict to methane gas quality requirements, methane concentration is not less than 10%, unit suction pressure is not less than 3kPa, relative moisture is less than 80%.Design routinely, if gas does not carry out deep dehydration, inlet air conditions can not meet unit humidity requirement; Wait gas dewatering type according to conventional electricity refrigeration, on-way resistance is large, and must pressurize to meet unit suction pressure, and power consumption is large, and operating cost is high, therefore causes import low-concentration fuel internal combustion engine generator group to be difficult to apply in low-concentration gas power generation field.
Model utility content
For solving the technical problem that prior art exists, the utility model provides one and adopts water mists transporting system to ensure light concentration mash gas safety conveying, without the need to the low-concentration gas power generation system to gas pressurization, minimizing on-way resistance.
For achieving the above object, the technological scheme that the utility model adopts is low-concentration gas power generation system, comprise diffusion system, water mists transporting system and absorption dewatering system, described water mists transporting system is connected with extraction station interface pipeline by total butterfly valve, is provided with diffusion system between described total butterfly valve and extraction station interface;
Described water mists transporting system is formed primarily of the bubble-cap type overflow water seal fire arrestor connected successively, wire gauzee filter, dry-type fire resisting device, wet-type relief valve, water fog generator and dehydration overflow water seal fire arrestor, the two ends of described wire gauzee filter are provided with filtration butterfly valve, and described water fog generator is connected with atomization pond by atomization water pump;
Described absorption dewatering system is formed primarily of liquid water separator, absorption tower and regenering tower, the liquid entering hole of described liquid water separator is connected with water mists transporting system pipeline, the described air outlet of liquid water separator is connected with the bottom on absorption tower, the bottom of liquid water separator is connected with atomization pond, the bottom on described absorption tower is connected with the shower nozzle of regenering tower by liquor box, water pump, the bottom of described regenering tower is connected with the shower nozzle on absorption tower by liquor box, water pump, and the top on described absorption tower is connected with fuel-burning equipment pipeline.
Preferably, described diffusion system is formed primarily of diffusing Hand-operated butterfly valve, diffusing electric butterfly valve and diffusing motorized adjustment seal butterfly valve, described diffuse Hand-operated butterfly valve and diffuse electric butterfly valve be connected on and diffuse on pipeline, diffuse motorized adjustment seal butterfly valve and diffuse electric butterfly valve and be connected in parallel on and diffuse on branch road.
Preferably, described water mists transporting system also comprises wire gauzee filter for subsequent use and is arranged on the redundant filter butterfly valve at wire gauzee filter two ends for subsequent use.
Compared with prior art, the utility model has following technique effect: the utility model, mainly for import oil-electric engine group, utilizes low concentration gas to generate electricity, and the main water mists transporting system that adopts ensures light concentration mash gas safety conveying; Taked gas out process jointing arranges and diffuses the measure such as modulating valve, mortor operated valve, ensures down-hole gas sucking releasing and the safe operation of extraction station; Simultaneously without the need to gas pressurization, adopt absorption dewatering system, processed is carried out to gas, reduce on-way resistance, ensure that gas quality meets unit requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
In order to make technical problem to be solved in the utility model, technological scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, low-concentration gas power generation system, comprise diffusion system 1, water mists transporting system 2 and absorption dewatering system 3, described water mists transporting system 2 is connected with extraction station interface pipeline by total butterfly valve 4, is provided with diffusion system 1 between described total butterfly valve 4 and extraction station interface.
Water mists transporting system 2 is formed primarily of the bubble-cap type overflow water seal fire arrestor 5 connected successively, wire gauzee filter 6, dry-type fire resisting device 7, wet-type relief valve 8, water fog generator 9 and dehydration overflow water seal fire arrestor 10, the two ends of described wire gauzee filter 6 are provided with filters butterfly valve 11, described water fog generator 9 is connected with atomization pond 13 by atomization water pump 12, water mists transporting system 2 also comprises wire gauzee filter 20 for subsequent use and is arranged on the redundant filter butterfly valve 21 at wire gauzee filter 20 two ends for subsequent use, is used alternatingly for maintenance.
Absorption dewatering system 3 is primarily of liquid water separator 14, absorption tower 15 and regenering tower 16 are formed, the liquid entering hole of described liquid water separator 14 is connected with water mists transporting system 2 pipeline, the air outlet of described liquid water separator 14 is connected with the bottom on absorption tower 15, the bottom of liquid water separator 14 is connected with atomization pond 13, liquor box is passed through in the bottom on described absorption tower 15, water pump is connected with the shower nozzle of regenering tower 16, liquor box is passed through in the bottom of described regenering tower 16, water pump is connected with the shower nozzle on absorption tower 15, the top on described absorption tower 15 is connected with fuel-burning equipment pipeline.
The utility model employing is diffused modulating valve, mortor operated valve etc. and is ensured that power station does not affect the safe operation of extraction station; The Security of low concentration gas conveying is ensured by water mists transporting system; Utilize liquid water separator and absorption dewatering system to remove moisture in gas, before ensureing to enter unit, gas relative moisture is less than 80%; Not supercharging, enters in unit pretreatment link to reduce along journey crushing as far as possible at gas, by adopting the technical program, realizing inlet gas internal combustion engine generator group and utilizing light concentration mash gas safety stable and high effective operation.The wherein supply gas pressure >9kPa of gas extraction station interface, about 4kPa is lost through water mists transporting system discharge pressure, water mists transporting system length is about 200m, then through absorption dewatering system, the pressure loss≤2kPa, just in time meets the air inlet requirement of import internal combustion engine generator group.
In addition, diffusion system 1 is formed primarily of diffusing Hand-operated butterfly valve 17, diffusing electric butterfly valve 18 and diffusing motorized adjustment seal butterfly valve 19, described diffuse Hand-operated butterfly valve 17 and diffuse electric butterfly valve 18 be connected on and diffuse on pipeline, diffuse motorized adjustment seal butterfly valve 19 and diffuse electric butterfly valve 18 and be connected in parallel on and diffuse on branch road.
While gas density can not meet the requiring with gas of gas electric plant, closedown gas point valve and total butterfly valve 4, open and diffuse Hand-operated butterfly valve 17, diffuse electric butterfly valve 18 and carry out emergency diffusion, ensure the safe operation at extraction station; When being less than the air demand at extraction station with the air consumption of gas point, open and diffuse motorized adjustment seal butterfly valve 19 and regulate, the valve plate now diffusing motorized adjustment seal butterfly valve 19 can be parked in middle a certain position.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should wrap within the scope of the utility model.
Claims (3)
1. low-concentration gas power generation system, it is characterized in that: comprise diffusion system (1), water mists transporting system (2) and absorption dewatering system (3), described water mists transporting system (2) is connected with extraction station interface pipeline by total butterfly valve (4), is provided with diffusion system (1) between described total butterfly valve (4) and extraction station interface;
Described water mists transporting system (2) is formed primarily of the bubble-cap type overflow water seal fire arrestor (5) connected successively, wire gauzee filter (6), dry-type fire resisting device (7), wet-type relief valve (8), water fog generator (9) and dehydration overflow water seal fire arrestor (10), the two ends of described wire gauzee filter (6) are provided with filters butterfly valve (11), and described water fog generator (9) is connected with atomization pond (13) by atomization water pump (12);
Described absorption dewatering system (3) is primarily of liquid water separator (14), absorption tower (15) and regenering tower (16) are formed, the liquid entering hole of described liquid water separator (14) is connected with water mists transporting system (2) pipeline, the air outlet of described liquid water separator (14) is connected with the bottom of absorption tower (15), the bottom of liquid water separator (14) is connected with atomization pond (13), liquor box is passed through in the bottom on described absorption tower (15), water pump is connected with the shower nozzle of regenering tower (16), liquor box is passed through in the bottom of described regenering tower (16), water pump is connected with the shower nozzle of absorption tower (15), the top on described absorption tower (15) is connected with fuel-burning equipment pipeline.
2. low-concentration gas power generation system according to claim 1, it is characterized in that: described diffusion system (1) is formed primarily of diffusing Hand-operated butterfly valve (17), diffusing electric butterfly valve (18) and diffusing motorized adjustment seal butterfly valve (19), described diffuse Hand-operated butterfly valve (17) and diffuse electric butterfly valve (18) be connected on and diffuse on pipeline, diffuse motorized adjustment seal butterfly valve (19) and diffuse electric butterfly valve (18) and be connected in parallel on and diffuse on branch road.
3. low-concentration gas power generation system according to claim 1, is characterized in that: described water mists transporting system (2) also comprises wire gauzee filter for subsequent use (20) and is arranged on the redundant filter butterfly valve (21) at wire gauzee filter for subsequent use (20) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520209961.3U CN204592867U (en) | 2015-04-09 | 2015-04-09 | Low-concentration gas power generation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520209961.3U CN204592867U (en) | 2015-04-09 | 2015-04-09 | Low-concentration gas power generation system |
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| CN204592867U true CN204592867U (en) | 2015-08-26 |
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| CN201520209961.3U Active CN204592867U (en) | 2015-04-09 | 2015-04-09 | Low-concentration gas power generation system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194243A (en) * | 2016-06-30 | 2016-12-07 | 山西都宝清洁能源投资有限公司 | A kind of coal mine gas dedusting supercharging integrated technique |
| CN108758338A (en) * | 2018-06-01 | 2018-11-06 | 湖南力宇新能源科技有限公司 | gas supply system |
| CN110985202A (en) * | 2019-11-24 | 2020-04-10 | 中煤科工集团重庆研究院有限公司 | Cold, heat and electricity triple supply system based on low-concentration gas |
| CN111121067A (en) * | 2019-11-24 | 2020-05-08 | 中煤科工集团重庆研究院有限公司 | Method for utilizing low-concentration gas |
| CN111503518A (en) * | 2020-04-15 | 2020-08-07 | 中节能宁夏新能源股份有限公司 | Safe conveying process system for comprehensive utilization of gas in abandoned mine |
-
2015
- 2015-04-09 CN CN201520209961.3U patent/CN204592867U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194243A (en) * | 2016-06-30 | 2016-12-07 | 山西都宝清洁能源投资有限公司 | A kind of coal mine gas dedusting supercharging integrated technique |
| CN108758338A (en) * | 2018-06-01 | 2018-11-06 | 湖南力宇新能源科技有限公司 | gas supply system |
| CN110985202A (en) * | 2019-11-24 | 2020-04-10 | 中煤科工集团重庆研究院有限公司 | Cold, heat and electricity triple supply system based on low-concentration gas |
| CN111121067A (en) * | 2019-11-24 | 2020-05-08 | 中煤科工集团重庆研究院有限公司 | Method for utilizing low-concentration gas |
| CN111503518A (en) * | 2020-04-15 | 2020-08-07 | 中节能宁夏新能源股份有限公司 | Safe conveying process system for comprehensive utilization of gas in abandoned mine |
| CN111503518B (en) * | 2020-04-15 | 2022-06-14 | 中节能宁夏新能源股份有限公司 | Safe conveying process system for comprehensive utilization of gas in abandoned mine |
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