CN205895302U - Coal bed gas power generation system - Google Patents
Coal bed gas power generation system Download PDFInfo
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- CN205895302U CN205895302U CN201620663401.XU CN201620663401U CN205895302U CN 205895302 U CN205895302 U CN 205895302U CN 201620663401 U CN201620663401 U CN 201620663401U CN 205895302 U CN205895302 U CN 205895302U
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Abstract
The utility model relates to a coal bed gas power generation system, belong to coal bed gas power generation technical field, the utility model provides an adopt the coal bed gas to generate electricity, the coal bed gas power generation system of effective energy saving, the technical scheme who adopts is for including the gas drainage device, gas turbine generator and with the waste heat recovery system, the gas drainage device is connected with gas turbine generator through gas pipeline, the water seal spark arrester has set gradually on the gas pipeline, the dry -type spark arrester, the overhead control valve, foggy sprinkler head and dehydrator, it diffuses the branch road to be provided with between dry -type spark arrester and the overhead control valve, diffuse to prop up to be provided with on the road and diffuse the relief valve, be provided with a plurality of foggy sprinkler head between overhead control valve and the dehydrator, the water seal spark arrester, foggy sprinkler head all is linked together through supply channel and spraying water tank, be provided with the water smoke circulating pump on the supply channel, the dehydrator is linked together through dehydration pipeline and spraying water tank, be provided with casual water baffle in the spraying water tank, the utility model discloses extensively be used for the electricity generation of coal bed gas.
Description
Technical field
This utility model is related to a kind of coal bed gas electricity generation system, belongs to coal bed gas technical field of power generation.
Background technology
It is becoming tight with energy resource supply day, coexist with coal and the coal seam as impact safety in production in coal production
Gas, becomes new cleaning fuel resource.Coal bed gas is commonly called as " gas ", and its main component is ch4 (methane), with coal association, with
Adsorbed state is stored in coal in the layer Unconventional forage, and calorific value is 2-5 times of general coal.The calorific value of 1 cubic metre of pure coal bed gas
Be equivalent to 1.13kg gasoline, 1.21kg standard coal, its calorific value is suitable with natural gas, can mix defeated mixed with natural gas, and fire
Very clean after burning, it is nearly free from any waste gas, be first-class industry, chemical industry, generating and resident living fuel.
Large scale mining coal bed gas will produce huge Social and economic benef@: one is, the main component of coal bed gas is
Ch4, the methane after discharge can damage the ozone layer, and increases greenhouse effect, can be mitigated by the discharge that methane drainage and utilization project reduces ch4
Greenhouse effect, slows down global warming trend；Two are, by exploitation using can reduce non-clean energy coal and need the import energy
The dependency degree of oil, improves energy consumption structure；Three are, improve the safe coefficient of coal production；Four are, coal bed gas is carried out
Exploitation utilizes rear generating, as well head private station, the energy-saving and emission-reduction of achievable coal bed gas well head, reduces coal bed gas well head and produces
Cost；Five are, coal bed gas are not directly emptied, and can improve Living consumption and urban air-quality.But, nowadays to coal
The exploitation of layer gas is mainly used as fuel, and the huge heat that it contains can not sufficiently be obtained by, and therefore, is carried out using coal bed gas
Generate electricity and there is wide market prospect, significant for alleviating energy crisis.Therefore, how to be carried out using coal bed gas
Stable, efficient generating becomes for a urgent problem.
Utility model content
For solving the technical problem that prior art exists, this utility model is provided one kind and is generated electricity using coal bed gas,
The coal bed gas electricity generation system of the effectively save energy.
For achieving the above object, the technical scheme that this utility model is adopted is coal bed gas electricity generation system, comprising: be arranged on
The gas pumping device of Taked gas out process, gas electricity generator and the residual neat recovering system being connected with gas electricity generator, described watt
The gas of this drainage device extraction is connected with gas electricity generator by gas conveyer tube, on described gas conveyer tube successively
It is provided with water seal fire arrestor, dry-type fire resisting device, master control valve, waterfog head and dehydrator, described dry-type fire resisting device and master control
Be provided between valve and diffuse branch road, described diffuse to be provided with branch road diffuse relief valve, between described master control valve and dehydrator
It is provided with multiple waterfog heads, described water seal fire arrestor, waterfog head are all connected with spray water tank by supply channel, described
Water fog cycle pump is provided with supply channel, described dehydrator is connected with spray water tank by being dehydrated pipeline, described spray water
It is provided with unrestrained water baffle plate in case.
Preferably, described gas pumping device mainly by the frame being fixed on pedestal, buncher, drive sprocket, from
Movable sprocket and chain are constituted, and described frame top is provided with buncher, drive sprocket and driven sprocket, and described buncher leads to
Cross decelerator to be connected with drive sprocket, described drive sprocket and driven sprocket are provided with chain, described chain one end connects
Sucker rod, the other end connects balance weight, and the base of described frame is provided with counterweight.
Preferably, described pedestal is mainly made up of concrete foundation, screed-coat, bearing plate and location-plate, described coagulation
It is provided with screed-coat on earth foundation, described screed-coat is provided with bearing plate, described bearing plate is provided with location-plate, institute
State and multiple locating slots are provided with location-plate, correspond, the base of frame is provided with multiple positioning convex, described frame
Base be fixed in concrete foundation by pre-embedded bolt, described pre-embedded bolt sequentially passes through screed-coat, bearing plate and fixed
Position plate.
Preferably, described residual neat recovering system includes heat exchanger, cooling circulation water tank, water supply tank and hot water storage tank, described
Be provided with heat exchanger between gas electricity generator and oil cooler, the oily side import and export of described heat exchanger respectively with gas electricity generator
The oil-in of oil-out and oil cooler connects, and the water side import and export of heat exchanger is connected with cooling circulation water tank respectively, described changes
The oily side import and export of hot device is respectively arranged between oil control valve, and the oil-out of gas electricity generator and the oil-in of oil cooler
It is additionally provided with maintenance pipeline, described maintenance pipeline is provided with maintenance control valve, the water side-entrance of described heat exchanger is provided with cold
But circulating pump, in described heat exchanger, oil is contrary with the direction of motion of water, the water inlet of described cooling circulation water tank and water supply tank phase
Connect, the outlet of described cooling circulation water tank is connected with hot water storage tank.
Preferably, the tapered helical form of heat exchanger tube in described heat exchanger, and multiple heat carriers are provided with heat exchanger tube.
Preferably, it is provided with moisturizing control valve, small pump and filter between described cooling circulation water tank and water supply tank；Institute
State and between cooling circulation water tank and hot water storage tank, be provided with accumulation of heat control valve and accumulation of heat pump.
Preferably, master control management system, generator control system and the gas for control gas extraction, conveying are also included
Extraction conveys plc control unit and the waste heat recovery plc control unit for controlling waste heat recovery, described generator control system
System, gas pumping conveying plc control unit are all connected with master control management system with waste heat recovery plc control unit;
Described master control management system is computer；
Described gas pumping conveys plc control unit and includes controlling the buncher being connected, shooting with programmable plc
Machine, master control valve, diffuse relief valve, water fog cycle pump, gas pressure table and Gas-Flow gauge, described video camera is arranged on frame
Top, for observing extraction situation；Described gas pressure table and Gas-Flow gauge are installed on gas conveyer tube；
Described waste heat recovery plc control unit includes controlling the oil control valve being connected, maintenance to control with programmable plc
Valve, coolant circulation pump, moisturizing control valve, small pump, accumulation of heat control valve, accumulation of heat pump, cooling-water temperature sensor and cooling aqueous
Level sensor, described cooling-water temperature sensor and Coolant-Level sensor are arranged in cooling circulation water tank.
Preferably, described master control management system also includes operating board and touch screen.
Compared with prior art, this utility model has following technical effect that the gas of extraction is passed through by this utility model
Gas conveyer tube is delivered to gas electricity generator and is generated electricity, and by water smoke and coal bed gas blending transportation, energy in course of conveying
Enough efficiently solve coal mine gas explosion, improve Safety of Coal Mine Production condition, be conducive to increasing clear energy sources supply again；Send out simultaneously
The waste heat that electricity produces is reclaimed by water tank, facilitates the daily water consumption of coal miner, makes full use of effective energy, energy-saving ring
Protect.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is control principle block diagram of the present utility model.
Specific embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect become more apparent, with
Lower combination drawings and Examples, are further elaborated to this utility model.It should be appreciated that concrete reality described herein
Apply example only in order to explain this utility model, be not used to limit this utility model.
As shown in figure 1, coal bed gas electricity generation system, comprising: it is arranged on gas pumping device, the fuel gas generation of Taked gas out process
Machine 1 and the residual neat recovering system being connected with gas electricity generator, the gas of gas pumping device extraction passes through gas conveyer tube 2
It is connected with gas electricity generator 1, gas conveyer tube 2 is disposed with water seal fire arrestor 3, dry-type fire resisting device 4, master control valve
5th, waterfog head 6 and dehydrator 7, are provided between dry-type fire resisting device 4 and master control valve 5 and diffuse branch road 8, diffuse and set on branch road 8
It is equipped with and diffuses relief valve 9, between master control valve 5 and dehydrator 7, be provided with multiple waterfog heads 6, water seal fire arrestor 3, water smoke spray
6 are all connected with spray water tank 11 by supply channel 10, and supply channel 10 is provided with water fog cycle pump 12, dehydrator 7
It is connected with spray water tank 11 by being dehydrated pipeline 13, in spray water tank 11, be provided with unrestrained water baffle plate 14.
The gas of extraction is delivered to gas electricity generator by gas conveyer tube and is generated electricity, in course of conveying, successively
Processed through water seal fire arrestor, dry-type fire resisting device, then a part is emptied on a small quantity through diffusing relief valve；Another portion
Divide and mixed with waterfog head, then reach gas electricity station as fuel power generation function through dehydrator, spark arrester, dehydrator is isolated
The water circulation come uses, and so ensure that gas long distance delivery, can efficiently solve coal mine gas explosion, improve colliery
Safety production condition, is conducive to increasing clear energy sources supply again.
Gas pumping device is mainly by the frame 15 being fixed on pedestal, buncher 16, drive sprocket 17, driven sprocket
18 and chain 19 constitute, frame 15 top is provided with buncher 16, drive sprocket 17 and driven sprocket 18, buncher 16 lead to
Cross decelerator to be connected with drive sprocket 17, drive sprocket 17 and driven sprocket 18 are provided with chain 19, chain 19 one end is even
Connect sucker rod 20, the other end connects balance weight 26, and the base of frame 15 is provided with counterweight 27.Wherein, pedestal is mainly by coagulation
Earth foundation 21, screed-coat 22, bearing plate 23 and location-plate 24 are constituted, and concrete foundation 21 is provided with screed-coat 22, levelling
It is provided with bearing plate 23 on layer 22, bearing plate 23 is provided with location-plate 24, location-plate 24 is provided with multiple locating slots,
Correspond, the base of frame is provided with multiple positioning convex 25, the base of frame 15 is fixed on by pre-embedded bolt mixed
On solidifying earth foundation 21, pre-embedded bolt sequentially passes through screed-coat 22, bearing plate 23 and location-plate 24.
When carrying out extraction coal bed gas, buncher carries out mash gas extraction by chain-driving sucker rod, and frame is arranged on
It is fixed on pedestal, pedestal ensure that frame positioning is reliable, sturdy and durable.
Residual neat recovering system includes heat exchanger 28, cooling circulation water tank 29, water supply tank 30 and hot water storage tank 31, fuel gas generation
It is provided with heat exchanger 28, the oily side import and export of heat exchanger 28 is fuel-displaced with gas electricity generator 1 respectively between machine 1 and oil cooler 32
The oil-in of mouth and oil cooler 32 connects, and the water side import and export of heat exchanger 28 is connected with cooling circulation water tank 29 respectively, heat exchange
The oily side import and export of device 28 is respectively arranged with oil control valve 33, and the oil-in of the oil-out of gas electricity generator 1 and oil cooler it
Between be additionally provided with maintenance pipeline 34, maintenance pipeline 34 is provided with maintenance control valve 35, the water side-entrance of heat exchanger 28 is provided with
Coolant circulation pump 36, in heat exchanger 28, oil is contrary with the direction of motion of water improves heat transfer effect it is ensured that oily be fully contacted with water,
The tapered helical form of heat exchanger tube in heat exchanger 28, and multiple heat carriers are provided with heat exchanger tube, oil and water can be effectively increased
Contact area, improve heat exchange efficiency.The water inlet of cooling circulation water tank 29 is connected with water supply tank 30, cooling circulation water tank 29
Outlet be connected with hot water storage tank 31, be provided between cooling circulation water tank 29 and water supply tank 30 moisturizing control valve 37, mend
Water pump 38 and filter 39；It is provided with accumulation of heat control valve 40 and accumulation of heat pump 41 between cooling circulation water tank 29 and hot water storage tank 31.
The heat that electromotor produces in power generation process carries out heat exchange by heat exchanger and cooling water, works as cooling circulation water tank
After interior water temperature raises, after reaching uniform temperature, the water in cooling circulation water tank is delivered in hot water storage tank, facilitates the day in colliery
Conventional water；Then pass through water supply tank and supplement cooling water to cooling circulation water tank, carry out heat exchange to facilitate, can strengthen simultaneously and send out
The generating efficiency of motor.
Additionally, also include master control management system, generator control system and the gas for control gas extraction, conveying taking out
Adopt conveying plc control unit and the waste heat recovery plc control unit for controlling waste heat recovery, described generator control system
System, gas pumping conveying plc control unit are all connected with master control management system with waste heat recovery plc control unit;Described master
Control management system is computer, also includes operating board and touch screen simultaneously；
Described gas pumping conveys plc control unit and includes controlling the buncher being connected, shooting with programmable plc
Machine, master control valve, diffuse relief valve, water fog cycle pump, gas pressure table and Gas-Flow gauge, described video camera is arranged on frame
Top, for observing extraction situation；Described gas pressure table and Gas-Flow gauge are installed on gas conveyer tube；
Described waste heat recovery plc control unit includes oil control valve, the maintenance control being connected with programmable plc controller
Valve, coolant circulation pump, moisturizing control valve, small pump, accumulation of heat control valve, accumulation of heat pump, cooling-water temperature sensor and cooling aqueous
Level sensor, described cooling-water temperature sensor and Coolant-Level sensor are arranged in cooling circulation water tank.
Whole system is managed concentratedly, and gas pumping conveys extraction and the conveying of plc control unit control gas, observes
Extraction situation, and by extraction information transfer to master control management system, in real time the power of display buncher, real-time extraction image,
Gas conveying real-time pressure and gas conveying real-time traffic.Waste heat recovery plc control unit controls waste heat recovery, closes maintenance control
Valve processed, opens oil control valve, and coolant circulation pump cooling water is transported in heat exchanger and carries out heat exchange.Because water and oil carry out heat
Exchange, in cooling circulation water tank, coolant-temperature gage gradually rises.After cooling-water temperature sensor detection water temperature reaches assigned temperature, close
Close coolant circulation pump, open accumulation of heat control valve, accumulation of heat pump simultaneously, store water in hot water storage tank.After the completion of discharging water, then beat
Open moisturizing control valve, small pump and carry out moisturizing into cooling circulation water tank.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., all should wrap in this utility model model
In enclosing.
Claims (8)
1. coal bed gas electricity generation system, comprising: be arranged on gas pumping device, gas electricity generator and and the combustion gas of Taked gas out process
Electromotor connect residual neat recovering system it is characterised in that: the gas of described gas pumping device extraction pass through gas delivery pipe
Road is connected with gas electricity generator, and described gas conveyer tube is disposed with water seal fire arrestor, dry-type fire resisting device, master control
Valve, waterfog head and dehydrator, are provided between described dry-type fire resisting device and master control valve and diffuse branch road, described diffuse on branch road
It is provided with and diffuses relief valve, between described master control valve and dehydrator, be provided with multiple waterfog heads, described water seal fire arrestor, water
Fog spray head is all connected with spray water tank by supply channel, and described supply channel is provided with water fog cycle pump, described dehydration
Device is connected with spray water tank by being dehydrated pipeline, is provided with unrestrained water baffle plate in described spray water tank.
2. coal bed gas electricity generation system according to claim 1 it is characterised in that: described gas pumping device is mainly by fixing
Frame on pedestal, buncher, drive sprocket, driven sprocket and chain are constituted, and described frame top is provided with speed governing electricity
Machine, drive sprocket and driven sprocket, described buncher is connected with drive sprocket by decelerator, described drive sprocket and from
It is provided with chain on movable sprocket, described chain one end connecting with pumping rod, the other end connects balance weight, and the base of described frame sets
It is equipped with counterweight.
3. coal bed gas electricity generation system according to claim 2 it is characterised in that: described pedestal mainly by concrete foundation,
Screed-coat, bearing plate and location-plate are constituted, and described concrete foundation is provided with screed-coat, described screed-coat is provided with base
Plinth backing plate, described bearing plate is provided with location-plate, described location-plate is provided with multiple locating slots, corresponds, machine
Multiple positioning convex are provided with the base of frame, the base of described frame is fixed in concrete foundation by pre-embedded bolt, institute
State pre-embedded bolt and sequentially pass through screed-coat, bearing plate and location-plate.
4. the coal bed gas electricity generation system according to Claims 2 or 3 it is characterised in that: described residual neat recovering system includes changing
Hot device, cooling circulation water tank, water supply tank and hot water storage tank, are provided with heat exchanger, institute between described gas electricity generator and oil cooler
The oily side import and export stating heat exchanger is connected with the oil-out of gas electricity generator and the oil-in of oil cooler respectively, the water of heat exchanger
Side import and export is connected with cooling circulation water tank respectively, and the oily side import and export of described heat exchanger is respectively arranged with oil control valve,
And between the oil-out of gas electricity generator and the oil-in of oil cooler, it is additionally provided with maintenance pipeline, described maintenance pipeline is provided with
Maintenance control valve, the water side-entrance of described heat exchanger is provided with coolant circulation pump, the direction of motion of oil and water in described heat exchanger
On the contrary, the water inlet of described cooling circulation water tank is connected with water supply tank, the outlet of described cooling circulation water tank and accumulation of heat water
Case is connected.
5. coal bed gas electricity generation system according to claim 4 it is characterised in that: the heat exchanger tube in described heat exchanger is tapered
Multiple heat carriers are provided with helical form, and heat exchanger tube.
6. coal bed gas electricity generation system according to claim 4 it is characterised in that: described cooling circulation water tank and water supply tank it
Between be provided with moisturizing control valve, small pump and filter；It is provided with accumulation of heat control between described cooling circulation water tank and hot water storage tank
Valve processed and accumulation of heat pump.
7. coal bed gas electricity generation system according to claim 6 it is characterised in that: also include master control management system, electromotor
Control system and the gas pumping for control gas extraction, conveying convey plc control unit and are used for controlling waste heat recovery
Waste heat recovery plc control unit, described generator control system, gas pumping conveying plc control unit and waste heat recovery plc
Control unit is all connected with master control management system;
Described master control management system is computer；
Described gas pumping conveys plc control unit and includes controlling the buncher being connected, video camera, total with programmable plc
Control valve, diffuse relief valve, water fog cycle pump, gas pressure table and Gas-Flow gauge, described video camera is arranged on frame top,
For observing extraction situation；Described gas pressure table and Gas-Flow gauge are installed on gas conveyer tube；
Described waste heat recovery plc control unit includes controlling the oil control valve being connected, maintenance control valve, cold with programmable plc
But circulating pump, moisturizing control valve, small pump, accumulation of heat control valve, accumulation of heat pump, cooling-water temperature sensor and Coolant-Level sensing
Device, described cooling-water temperature sensor and Coolant-Level sensor are arranged in cooling circulation water tank.
8. coal bed gas electricity generation system according to claim 7 it is characterised in that: described master control management system also include operate
Platform and touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620663401.XU CN205895302U (en) | 2016-06-29 | 2016-06-29 | Coal bed gas power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620663401.XU CN205895302U (en) | 2016-06-29 | 2016-06-29 | Coal bed gas power generation system |
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| Publication Number | Publication Date |
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| CN205895302U true CN205895302U (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620663401.XU Active CN205895302U (en) | 2016-06-29 | 2016-06-29 | Coal bed gas power generation system |
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| CN (1) | CN205895302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320447A (en) * | 2022-01-07 | 2022-04-12 | 北京科技大学 | Efficient utilization and secondary sequestration method for carbon resources of deep coal seam difficult to mine |
-
2016
- 2016-06-29 CN CN201620663401.XU patent/CN205895302U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320447A (en) * | 2022-01-07 | 2022-04-12 | 北京科技大学 | Efficient utilization and secondary sequestration method for carbon resources of deep coal seam difficult to mine |
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