CN103277130B - Mine area distribution type poly-generation energy supplying system with coal mine gas emission close to zero - Google Patents
Mine area distribution type poly-generation energy supplying system with coal mine gas emission close to zero Download PDFInfo
- Publication number
- CN103277130B CN103277130B CN201310201440.9A CN201310201440A CN103277130B CN 103277130 B CN103277130 B CN 103277130B CN 201310201440 A CN201310201440 A CN 201310201440A CN 103277130 B CN103277130 B CN 103277130B
- Authority
- CN
- China
- Prior art keywords
- gas
- steam
- outlet
- lithium bromide
- power machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A mine area distribution type poly-generation energy supplying system with coal mine gas emission close to zero belongs to energy supplying systems with gas emission close to zero. A gas extraction pump station is connected with a gas concentration controller, a cyclone dewaterer has two outlets, the output end of a fuel gas power machine is connected with a first power generator, a mine main ventilator is sequentially connected with a gas mixer and a venting gas oxidizing device, an outlet of a water storage tank is connected with a water supply booster pump, the water supply booster pump has two outlets, a steam outlet of the venting gas oxidizing device and a steam outlet of a waste heat boiler are both connected with an inlet of a steam mixer, an outlet of the steam mixer is sequentially connected with a steam power machine, a condenser and the water storage tank, output of the steam power machine is connected with a second power generator, and a cold-hot water outlet of a waste heat type double-effect lithium bromide absorption cold-hot water machine set and a cold-hot water outlet of a gas type double-effect lithium bromide absorption cold-hot water machine set are gathered to be connected with a main cold-hot water pipeline. Thus, clean production and utilization of coal mine gas and circular economy development of coal mine areas are achieved.
Description
Technical field
The present invention relates to a kind of gas near-zero release energy supplying system, particularly a kind of mining area distributed coal mine gas near-zero release Poly-generation energy supplying system.
Background technology
Gas is the association product of coal, is a kind of non-renewable energy of preciousness.For the safety in production in colliery, the existence of gas is also the source of the disaster that coal mining accident takes place frequently, simultaneously along with the increase of the coal mining degree of depth, coal seam gas-bearing capacity will enlarge markedly, and realizing adopting altogether of coal and non-coal is the inevitable approach that deep coal and gas resources are exploited.Meanwhile, from the discharge of coal mine gas, the discharge of ventilating gas accounts for 70% of coal mine gas total emission volumn.Due to the concentration of ventilating gas low≤1%, flowed fluctuation is large, the conventional technology that utilizes is difficult to effective utilization.Therefore, how to realize coal extraction gas and reasonable, the effective comprehensive utilization of resources of ventilating gas, the efficient level of production of lifting safety of coal mines, minimizing greenhouse gas emission are of great significance.
Distributed energy resource system is a kind of novel energy resource system, compared with general energy system, have safe and reliable, energy conversion efficiency is high, advantages of environment protection, therefore the application prospect of distributed energy resource system is the brightest and the clearest, most practicality and development vitality.Realize coal extraction gas and ventilating gas rationally, effective comprehensive utilization of resources, be particularly the zero-emission energy supplying system that resource builds distributed Poly-generation at coal field based on mash gas extraction and ventilating gas, then seem most important.
But, there is no the specially zero-emission energy supplying system of mining area distributed coal mine gas thermoelectric cold Poly-generation that builds for the Drainage feature of coal field mash gas extraction and ventilating gas so far.
Summary of the invention
Technical problem: the object of the invention is to provide one mining area distributed coal mine gas near-zero release safely and efficiently Poly-generation energy supplying system.
Technical scheme: the object of the present invention is achieved like this: near-zero release Poly-generation energy supplying system comprises: gas pumping pumping plant, gas density controller, gasholder, water seal fire arrestor, wire gauzee filter, first flame arrester for pipe, wet-type relief valve, tornado evaporator, second pipe spark arrester, proportioner, gas power machine, first generator, mine main ventilator, gas blender, ventilated gas oxidation device, waste heat boiler, steam mixer, steam power machine, second generator, condenser, storage tank, pressurize pump, residual-heat double-action lithium bromide absorption hot-cold water machine group and gas type double-effect lithium bromide absorption type water chiller-heater unit,
Described gas pumping pumping plant is connected with gas density controller; The outlet of gas density controller is divided into two-way, and a road is connected with gasholder, and another road is connected with gas blender; The outlet of described gasholder connects water seal fire arrestor, wire gauzee filter, the first flame arrester for pipe, wet-type relief valve and tornado evaporator successively; The outlet of described tornado evaporator is divided into two-way, one tunnel connects second pipe spark arrester, proportioner, gas power machine, waste heat boiler, residual-heat double-action lithium bromide absorption hot-cold water machine group successively, and another road connects gas type double-effect lithium bromide absorption type water chiller-heater unit; The output of gas power machine is connected with the first generator; Described mine main ventilator is connected successively with gas blender, ventilated gas oxidation device; The outlet of described storage tank is connected with pressurize pump, and pressurize delivery side of pump is divided into two-way, and a road is connected with the waterway inlet of ventilated gas oxidation device, and another road is connected with the waterway inlet of waste heat boiler; The steam (vapor) outlet of described ventilated gas oxidation device, the steam (vapor) outlet of waste heat boiler are all connected with the entrance of steam mixer; The outlet of described steam mixer connects steam power machine, condenser and storage tank successively; The output of steam power machine is connected with the second generator; The feedwater of system respectively with entrance, the feed-water intake of residual-heat double-action lithium bromide absorption hot-cold water machine group, the feed-water intake parallel join of gas type double-effect lithium bromide absorption type water chiller-heater unit of storage tank; Described residual-heat double-action lithium bromide absorption hot-cold water machine group hot and cold water outlet, the outlet of gas type double-effect lithium bromide absorption type water chiller-heater unit hot and cold water gather and are connected with total hot and cold water pipeline.
The line segments of described water seal fire arrestor, wire gauzee filter, the first flame arrester for pipe, wet-type relief valve, is provided with parallel branch pipeline identical with it in this line segments.
Described gas power machine is miniature gas turbine or is internal combustion type gas engine; Described steam power machine is steam turbine or steam-type screw expander.
Beneficial effect, owing to have employed such scheme, coal extraction gas and ventilating gas, under the adjustment of gas density controller and gas blender, achieve the cascade utilization of variable concentrations gas; Coal extraction gas, through the multiple protective of water seal fire arrestor, wire gauzee filter, the first flame arrester for pipe, wet-type relief valve, greatly improves the safety of gas feed system; First mash gas extraction does work in gas power machine, burning produce high-temperature flue gas enters waste heat boiler more successively, residual-heat double-action lithium bromide absorption hot-cold water machine group carries out energy exchange, achieve the cascade utilization of energy, improve the utilization ratio of energy resource system.
Coal extraction high concentration gas >=8% is first in the acting of gas power machine, and high-temperature flue gas successively realizes energy exchange in waste heat boiler, residual-heat double-action lithium bromide absorption hot-cold water machine group, is generated electricity by gas power machine, steam power machine driving generator.The mash gas extraction that ventilating gas≤1% and concentration are less than 8% is oxidized after the mixing of gas blender in ventilated gas oxidation device, produces steam and is also generated electricity by steam power machine driving generator.
Advantage: this mining area distributed coal mine gas near-zero release Poly-generation energy supplying system, for the feature of coal extraction gas and ventilating gas, is applicable to the coal mine gas gas comprised in all concentration ranges of mash gas extraction, ventilating gas.The safe and reliable requirement building the thermoelectric cold Energy Polygeneration System that distributed mash gas extraction and ventilating gas fully utilize at coal field can be met, achieve the cascade utilization of variable concentrations gas and the cascade utilization of different quality heat simultaneously, there is higher efficiency of energy utilization.Coal mine gas near-zero release energy resource system of the present invention is specially adapted to the comprehensive utilization of resources of coal mine gas and the structure of mining area distributed energy resource system, while reducing the discharge of greenhouse gases mash gas methane, obtain the clean energy resource conversion of coal mine gas, realize the cleaner production utilization of coal mine gas and the recycling economy development of coal field.
Accompanying drawing explanation
Fig. 1 is the structure chart of a kind of mining area distributed coal mine gas near-zero release Poly-generation energy supplying system of the present invention.
In figure, 1, gas pumping pumping plant; 2, gas density controller; 3, gasholder; 4, water seal fire arrestor; 5, wire gauzee filter; 6, the first flame arrester for pipe; 7, wet-type relief valve; 8, tornado evaporator; 9, second pipe spark arrester; 10, proportioner; 11, gas power machine; 12, the first generator; 13, mine main ventilator; 14, gas blender; 15, ventilated gas oxidation device; 16, waste heat boiler; 17, steam mixer; 18, steam power machine; 19, the second generator; 20, condenser; 21, storage tank; 22, pressurize pump; 23, residual-heat double-action lithium bromide absorption hot-cold water machine group; 24, gas type double-effect lithium bromide absorption type water chiller-heater unit.
Detailed description of the invention
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
Embodiment 1: a kind of mining area distributed coal mine gas near-zero release Poly-generation energy supplying system of the present invention, comprise: gas pumping pumping plant 1, gas density controller 2, gasholder 3, water seal fire arrestor 4, wire gauzee filter 5, first flame arrester for pipe 6, wet-type relief valve 7, tornado evaporator 8, second pipe spark arrester 9, proportioner 10, gas power machine 11, first generator 12, mine main ventilator 13, gas blender 14, ventilated gas oxidation device 15, waste heat boiler 16, steam mixer 17, steam power machine 18, second generator 19, condenser 20, storage tank 21, pressurize pump 22, residual-heat double-action lithium bromide absorption hot-cold water machine group 23, gas type double-effect lithium bromide absorption type water chiller-heater unit 24,
Described gas pumping pumping plant 1 is connected with gas density controller 2; The outlet of gas density controller 2 is divided into two-way, and a road is connected with gasholder 3, and another road is connected with gas blender 14; The outlet of described gasholder 3 connects water seal fire arrestor 4, wire gauzee filter 5, first flame arrester for pipe 6, wet-type relief valve 7, tornado evaporator 8 successively; The outlet of described tornado evaporator 8 is divided into two-way, one tunnel connects second pipe spark arrester 9, proportioner 10, gas power machine 11, waste heat boiler 16, residual-heat double-action lithium bromide absorption hot-cold water machine group 23 successively, and another road connects gas type double-effect lithium bromide absorption type water chiller-heater unit 24; The output of gas power machine 11 is connected with the first generator 12; Described mine main ventilator 13 is connected successively with gas blender 14, ventilated gas oxidation device 15; The outlet of described storage tank 21 is connected with pressurize pump 22, and the outlet of pressurize pump 22 is divided into two-way, and a road is connected with the waterway inlet of ventilated gas oxidation device 15, and another road is connected with the waterway inlet of waste heat boiler 16; The steam (vapor) outlet of described ventilated gas oxidation device 15, the steam (vapor) outlet of waste heat boiler 16 are all connected with the entrance of steam mixer 17; The outlet of described steam mixer 17 connects steam power machine 18, condenser 20 and storage tank 21 successively; The output of steam power machine 18 is connected with the second generator 19; The feedwater of system respectively with entrance, the feed-water intake of residual-heat double-action lithium bromide absorption hot-cold water machine group 23, the feed-water intake parallel join of gas type double-effect lithium bromide absorption type water chiller-heater unit 24 of storage tank 21; Described residual-heat double-action lithium bromide absorption hot-cold water machine group 23 hot and cold water outlet, the outlet of gas type double-effect lithium bromide absorption type water chiller-heater unit 24 hot and cold water gather and are connected with total hot and cold water pipeline.
The line segments of described water seal fire arrestor 4, wire gauzee filter 5, first flame arrester for pipe 6, wet-type relief valve 7, is provided with parallel branch pipeline identical with it in this line segments.
Described gas power machine 11 is miniature gas turbine or is internal combustion type gas engine; Described steam power machine 18 is steam turbine or steam-type screw expander.
When the concentration of mash gas extraction is less than 8%, gas density controller 2 regulates device in Gas to flow to into gas blender 14; When the concentration of mash gas extraction is more than or equal to 8%, gas density controller 2 regulates device in Gas to flow to into gasholder 3.
Coal extraction gas and ventilating gas with under the adjustment of gas blender 14, achieve the cascade utilization of variable concentrations gas at gas density controller 2; Coal extraction gas, through the multiple protective of water seal fire arrestor 3, wire gauzee filter 4, first flame arrester for pipe 5, wet-type relief valve 6, greatly improves the safety of gas feed system; First mash gas extraction does work in gas power machine 11, burning produce high-temperature flue gas enters waste heat boiler 12 more successively, residual-heat double-action lithium bromide absorption hot-cold water machine group 18 carries out energy exchange, achieve the cascade utilization of energy, improve the utilization ratio of energy resource system.
Claims (3)
1. a mining area distributed coal mine gas near-zero release Poly-generation energy supplying system, it is characterized in that: near-zero release Poly-generation energy supplying system comprises: gas pumping pumping plant, gas density controller, gasholder, water seal fire arrestor, wire gauzee filter, first flame arrester for pipe, wet-type relief valve, tornado evaporator, second pipe spark arrester, proportioner, gas power machine, first generator, mine main ventilator, gas blender, ventilated gas oxidation device, waste heat boiler, steam mixer, steam power machine, second generator, condenser, storage tank, pressurize pump, residual-heat double-action lithium bromide absorption hot-cold water machine group and gas type double-effect lithium bromide absorption type water chiller-heater unit,
Described gas pumping pumping plant is connected with gas density controller; The outlet of gas density controller is divided into two-way, and a road is connected with gasholder, and another road is connected with gas blender; The outlet of described gasholder connects water seal fire arrestor, wire gauzee filter, the first flame arrester for pipe, wet-type relief valve and tornado evaporator successively; The outlet of described tornado evaporator is divided into two-way, one tunnel connects second pipe spark arrester, proportioner, gas power machine, waste heat boiler, residual-heat double-action lithium bromide absorption hot-cold water machine group successively, and another road connects gas type double-effect lithium bromide absorption type water chiller-heater unit; The output of gas power machine is connected with the first generator; Described mine main ventilator is connected successively with gas blender, ventilated gas oxidation device; The outlet of described storage tank is connected with pressurize pump, and pressurize delivery side of pump is divided into two-way, and a road is connected with the waterway inlet of ventilated gas oxidation device, and another road is connected with the waterway inlet of waste heat boiler; The steam (vapor) outlet of described ventilated gas oxidation device, the steam (vapor) outlet of waste heat boiler are all connected with the entrance of steam mixer; The outlet of described steam mixer connects steam power machine, condenser and storage tank successively; The output of steam power machine is connected with the second generator; The feedwater of system respectively with entrance, the feed-water intake of residual-heat double-action lithium bromide absorption hot-cold water machine group, the feed-water intake parallel join of gas type double-effect lithium bromide absorption type water chiller-heater unit of storage tank; Described residual-heat double-action lithium bromide absorption hot-cold water machine group hot and cold water outlet, the outlet of gas type double-effect lithium bromide absorption type water chiller-heater unit hot and cold water gather and are connected with total hot and cold water pipeline.
2. a kind of mining area distributed coal mine gas near-zero release Poly-generation energy supplying system according to claim 1, it is characterized in that: the line segments of described water seal fire arrestor, wire gauzee filter, the first flame arrester for pipe, wet-type relief valve, in this line segments, parallel branch pipeline identical with it is installed.
3. a kind of mining area distributed coal mine gas near-zero release Poly-generation energy supplying system according to claim 1, is characterized in that: described gas power machine is miniature gas turbine or is internal combustion type gas engine; Described steam power machine is steam turbine or steam-type screw expander.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310201440.9A CN103277130B (en) | 2013-05-24 | 2013-05-24 | Mine area distribution type poly-generation energy supplying system with coal mine gas emission close to zero |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310201440.9A CN103277130B (en) | 2013-05-24 | 2013-05-24 | Mine area distribution type poly-generation energy supplying system with coal mine gas emission close to zero |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103277130A CN103277130A (en) | 2013-09-04 |
CN103277130B true CN103277130B (en) | 2015-03-04 |
Family
ID=49059734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310201440.9A Active CN103277130B (en) | 2013-05-24 | 2013-05-24 | Mine area distribution type poly-generation energy supplying system with coal mine gas emission close to zero |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103277130B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103291351B (en) * | 2013-05-24 | 2015-01-14 | 中国矿业大学 | Mining-area distributed-type coal-mine gas extraction thermoelectric cooling poly-generation energy resource system |
CN106958495B (en) * | 2017-04-13 | 2019-08-27 | 中煤科工集团重庆研究院有限公司 | The method to be generated electricity using coal mine light concentration mash gas |
CN109372601A (en) * | 2018-08-03 | 2019-02-22 | 中国大唐集团科学技术研究院有限公司 | A kind of Distributed Integration energy supplying system recycling ventilating gas |
CN110145408B (en) * | 2019-05-28 | 2020-02-28 | 浙江亿扬能源科技有限公司 | Comprehensive energy supply system for recovering wide-concentration gas in coal mine and operation method thereof |
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 |
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 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4271676A (en) * | 1979-10-20 | 1981-06-09 | Air Products And Chemicals, Inc. | Method and apparatus for recovering natural gas in a mine |
US4320627A (en) * | 1979-10-20 | 1982-03-23 | Air Products And Chemicals, Inc. | Apparatus for recovering natural gas in a mine |
CN101839472A (en) * | 2010-04-16 | 2010-09-22 | 萧琦 | Method for reclaiming heat of ventilated gas oxidation device |
CN201764467U (en) * | 2010-07-01 | 2011-03-16 | 山东理工大学 | Vapour-water circulation system of coal mine ventilation air methane (VAM) oxidization device |
CN102562131A (en) * | 2010-12-24 | 2012-07-11 | 上海攀极投资有限公司 | Coal mine gas comprehensive application system and application method thereof |
CN203271799U (en) * | 2013-05-24 | 2013-11-06 | 中国矿业大学 | Mine lot distributing type coal mine gas near-zero emission poly-generation energy supply system |
-
2013
- 2013-05-24 CN CN201310201440.9A patent/CN103277130B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4271676A (en) * | 1979-10-20 | 1981-06-09 | Air Products And Chemicals, Inc. | Method and apparatus for recovering natural gas in a mine |
US4320627A (en) * | 1979-10-20 | 1982-03-23 | Air Products And Chemicals, Inc. | Apparatus for recovering natural gas in a mine |
CN101839472A (en) * | 2010-04-16 | 2010-09-22 | 萧琦 | Method for reclaiming heat of ventilated gas oxidation device |
CN201764467U (en) * | 2010-07-01 | 2011-03-16 | 山东理工大学 | Vapour-water circulation system of coal mine ventilation air methane (VAM) oxidization device |
CN102562131A (en) * | 2010-12-24 | 2012-07-11 | 上海攀极投资有限公司 | Coal mine gas comprehensive application system and application method thereof |
CN203271799U (en) * | 2013-05-24 | 2013-11-06 | 中国矿业大学 | Mine lot distributing type coal mine gas near-zero emission poly-generation energy supply system |
Also Published As
Publication number | Publication date |
---|---|
CN103277130A (en) | 2013-09-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103291351B (en) | Mining-area distributed-type coal-mine gas extraction thermoelectric cooling poly-generation energy resource system | |
CN103277130B (en) | Mine area distribution type poly-generation energy supplying system with coal mine gas emission close to zero | |
CN203271799U (en) | Mine lot distributing type coal mine gas near-zero emission poly-generation energy supply system | |
CN202732012U (en) | Ventilation air methane oxidization power generation system | |
CN203655468U (en) | Low-concentration coal-mine gas comprehensive utilization and emission reduction system | |
CN104295364A (en) | Coal seam gas based residual heat resource distributed energy system | |
CN203308506U (en) | Mine lot distribution type coal mine gas mining combined cooling heating and power energy system | |
CN104832290A (en) | Distributed type energy resource flue gas waste heat deep utilization system | |
CN204333127U (en) | Packaged type solid oxide fuel cell power generating system | |
CN205420297U (en) | Distributed energy system based on domestic waste and living beings | |
CN204299702U (en) | Gas turbine distributed CCHP system | |
CN102767404A (en) | System and method of gas turbine for utilizing low-concentration gas | |
CN101649782A (en) | Using method for combustion gas turbine of low-concentration gas | |
CN103835747B (en) | A kind of system and method for low-concentration gas comprehensive utilization | |
CN203098053U (en) | Chemical hydrogen-rich gas collecting and utilizing system | |
CN205048427U (en) | Combustion system | |
CN209622832U (en) | A kind of waste heat flue gas recycling and balanced mixed flow distributor | |
CN207880864U (en) | A kind of oxygen-enriched combusting energy-saving and emission-reduction system | |
CN202954839U (en) | Gas electrical generation system | |
CN205714466U (en) | A kind of external-combustion engine TRT based on low concentration coal-bed gas burning | |
CN214577371U (en) | Integrated box type gas generator set | |
CN220397641U (en) | Colliery heating system | |
CN205206996U (en) | Portable LNG gas turbine generator group | |
CN217031153U (en) | Low-temperature waste heat water source heat pump steam boiler | |
CN204402599U (en) | A kind of device utilizing blue charcoal exhaust boiler low-temperature flue gas waste heat to generate electricity |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |