CN209339927U - Overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system - Google Patents
Overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system Download PDFInfo
- Publication number
- CN209339927U CN209339927U CN201821753357.7U CN201821753357U CN209339927U CN 209339927 U CN209339927 U CN 209339927U CN 201821753357 U CN201821753357 U CN 201821753357U CN 209339927 U CN209339927 U CN 209339927U
- Authority
- CN
- China
- Prior art keywords
- gas
- steam
- power generator
- ucg
- overcritical
- 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
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model discloses a kind of overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation systems, the overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system includes steam generation facility (3), pressure generating set (4), steam electric power generator (9) and gas power generator (12), steam generation facility (3) is connect with gas recovery well well head, superheated steam is made by gas converting heat, superheated steam acting pushes steam electric power generator (9) power generation.Coal gas after heat exchange enters pressure generating set (4), electric energy is converted by mechanical energy, gas after decrease temperature and pressure is purified and separated, purified coal gas is again introduced into combustion power generation in gas power generator (12), finally recycles the heat generated after power generation and tail gas again.While realizing the trilogy supply power generation of temperature, pressure combustion gas, and without any environmental pollution.
Description
Technical field
The utility model relates to coal gasification field, particularly a kind of overcritical underground coal gasification(UCG) output mixing
Gas trilogy supply electricity generation system.
Background technique
Supercritical technology international and domestic at present is generally used for ground coal fired power generation, cool water mixture burning gasification, steam injection pot
The technical fields such as furnace, underground coal gasification(UCG) burning are not answered also because being influenced by many factors such as geological conditions, equipment and technologies
Use supercritical combustion technical field.Due to using overcritical and ultra supercritical combustion method, sulfide, nocuousness can be largely reduced
The generation of gas and sundries, it may be that underground coal gasification(UCG) is either obtained most preferably using overcritical or ultra supercritical combustion gasification
Available gas and reduction pernicious gas are a kind of optimal revolutionary technological means.In addition, underground coal gasification(UCG) gas recovery well exports
The temperature for locating coal gas is 350 DEG C~500 DEG C, and the gas pressure for producing mixed gas is also up to 14MPa~18MPa.If being not added
To utilize, the waste of resource is just caused unavoidably.In terms of world wide, coal-based power generation technology mainly has traditional coal directly to burn
Power generation and emerging Coal Gasification two big technology paths of power generation.For Current state of IGCC technique aspect, the overcritical aqueous vapor of coal
Changing preparing hydrogen, generating power Poly-generation technology is to belong to go-beyond technology method at present.
Utility model content
For the coal gas for making full use of supercritical technology to generate, the utility model provides a kind of overcritical coal underground gas
Change output mixed gas trilogy supply electricity generation system, the overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system energy
Enough being converted by energy pressure and temperature converting heat is mechanical energy for generating electricity, while purifying raw gas removal impurity particle
And separation clean energy resource gas (such as hydrogen, methane, carbon monoxide) is collected, purified gas combustion power generation again.With after generating electricity
The heat and tail gas of generation recycle again.While realizing the trilogy supply power generation of temperature, pressure combustion gas, and without any ring
Border pollution provides a kind of reliable environment-friendly electric energy utilization patterns to advocate clean energy resource power generation and fuel gas generation.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of overcritical underground coal gasification(UCG) output
Mixed gas trilogy supply electricity generation system, including steam generation facility, pressure generating set, steam electric power generator and fuel gas generation dress
It sets, steam generation facility contains combustible heat source gas access, combustible heat source gas vent, feed-water intake and superheated steam outlet,
Water in steam generation facility can be heated and be generated superheated steam by the high-temperature combustible gas body entered from combustible heat source gas access,
Steam electric power generator can be generated electricity using the superheated steam as power source, and pressure generating set can be with combustible heat source gas vent
The pressure of the fuel gas of discharge generates electricity as power source, the combustible gas that gas power generator can be discharged with pressure generating set
Body is as fuel power generation function.
Pressure generating set contains the gentle body pressure source outlet of gas pressure source inlet, the gas pressure of pressure generating set
The connection of the combustible heat source gas vent of source inlet and steam generation facility.
The gas pressure source outlet of pressure generating set is connected by the fuel inlet of gas-guide tube and gas power generator.
Gas-guide tube is equipped with gas isolation of purified equipment.
The overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system further includes water tank and water pump, combustion gas
The tail gas of power generator discharge can water in heating water tank, the water in water tank can be pumped to steam generation facility by water pump
It is interior.
The combustible heat source gas access of steam generation facility is connect by gas transmission line with gas recovery well well head.
Pressure generating set, steam electric power generator and gas power generator are connect with power grid, pressure generating set, steam
Power generator and gas power generator can power to power grid.
The overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system further includes apparatus for storing electrical energy, pressure
Power generation device, steam electric power generator and gas power generator can power to the apparatus for storing electrical energy.
Steam electric power generator contains steam turbine, the superheated steam of the superheated steam outlet and the steam turbine of steam generation facility
The lack of gas outlet of entrance connection, the steam turbine is connect by gas injecting pipe with gas injection well well head.
The gas injecting pipe is pumped equipped with gas injection.
The beneficial effects of the utility model are: the overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system
Can be converted by energy pressure and temperature converting heat is mechanical energy for generating electricity, while purifying raw gas removal impurity
Grain simultaneously collects separation clean energy resource gas (such as hydrogen, methane, carbon monoxide), purified gas combustion power generation again.It is same to generate electricity
The heat and tail gas generated afterwards recycles again.While realizing the trilogy supply power generation of temperature, pressure combustion gas, and without any
Environmental pollution provides a kind of reliable environment-friendly electric energy utilization patterns to advocate clean energy resource power generation and fuel gas generation.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Fig. 1 is the signal of overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system described in the utility model
Figure.
Fig. 2 is the structural schematic diagram of steam generation facility.
1, gas recovery well well head；2, coil pipe；3, steam generation facility；4, pressure generating set；5, gas isolation of purified equipment；
6, gas-guide tube；7, power grid；8, gas injection pumps；9, steam electric power generator；10, water pump；11, gas injecting pipe；12, gas power generator；
13, gas injection well well head；14, water tank；
21, combustible heat source gas access；22, combustible heat source gas vent；23, feed-water intake；24, superheated steam exports.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system, including steam generation facility 3, pressure
Power generation device 4, steam electric power generator 9 and gas power generator 12, steam generation facility 3 contain combustible heat source gas access
21, combustible heat source gas vent 22, feed-water intake 23 and superheated steam outlet 24, the height entered from combustible heat source gas access 21
Water in steam generation facility 3 can be heated and be generated superheated steam by warm fuel gas, and steam electric power generator 9 can be with the overheat
Steam generates electricity as power source, the pressure for the fuel gas that pressure generating set 4 can be discharged with combustible heat source gas vent 22
It generates electricity as power source, gas power generator 12 can be using the fuel gas of the discharge of pressure generating set 4 as fuel power generation function, such as
Shown in Fig. 1 and Fig. 2.
Steam generation facility 3 is steam-water heat exchanging device, contains water storage inner cavity and coil pipe 2 in steam generation facility 3, in water storage
Contain water in chamber, high-temperature gas can pass through from coil pipe 2, to make (350 DEG C of temperature of high-temperature gas passed through in coil pipe 2
The coal gas of high temperature that~500 DEG C of gas recovery well well head 1 is discharged) it exchanges heat with the water in inner cavity, high-temperature gas is by the water in heating bore
And generate superheated steam.One end of coil pipe 2 is combustible heat source gas access 21, and the other end of coil pipe 2 is that combustible heat source gas goes out
Mouth 22, the inner cavity are equipped with feed-water intake 23 and superheated steam outlet 24, as shown in Figure 2.
In the present embodiment, steam generation facility 3, pressure generating set 4 (pressure electric generator), 9 (vapour of steam electric power generator
Turbine) and gas power generator 12 (jet dynamic control) all can be existing appliance arrangement.Pressure generating set 4 contains gas
Body pressure source inlet and gas pressure source outlet, the gas pressure source inlet of pressure generating set 4 and steam generation facility 3 can
Fire 22 connection of heat source gas outlet.Pressure generating set 4 can utilize piezoelectric effect, make the pressure into pressure generating set 4
Acting is converted into electric energy.
In the present embodiment, the gas pressure source outlet of pressure generating set 4 passes through gas-guide tube 6 and gas power generator 12
Fuel inlet connection.Gas-guide tube 6 is equipped with gas isolation of purified equipment 5.The coal gas that pressure generating set 4 is discharged enters combustion gas
The chemical energy of coal gas is converted to electric energy by fuel of the power generator 12 as power generation, gas power generator 12.Gas isolation of purified
Equipment 5 can be existing appliance arrangement, and gas isolation of purified equipment 5 can remove the impurity such as the sulfide in coal gas.
In the present embodiment, the overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system further includes water
Case 14 and water pump 10, water tank 14 are connect by water supply line with the water storage inner cavity of steam generation facility 3, and water tank 14 can be sleeve
Formula structure, if water tank 14 contains internal layer cylinder and outer layer cylinder, the tail gas that gas power generator 12 is discharged from internal layer cylinder and outer layer cylinder it
Between toroidal cavity pass through, water is equipped in internal layer cylinder, internal layer cylinder is connected by the water storage inner cavity of water supply line and steam generation facility 3
It connects.The tail gas that gas power generator 12 is discharged can water in heating water tank 14, the outlet of water tank 14 and steam generation facility 3
Feed-water intake 23 connects, and the water in water tank 14 can be pumped in the water storage inner cavity of steam generation facility 3 by water pump 10, such as Fig. 1
It is shown.Then, tail gas will be passed through again new gas injection well, and the note for participating in a new round adopts circulation.
In the present embodiment, the combustible heat source gas access 21 of steam generation facility 3 passes through gas transmission line and gas recovery well well
Mouth 1 connects.The coal gas of high temperature that gas recovery well well head 1 is discharged will pass sequentially through gas transmission line combustible heat source gas access 21 into steam
In the coil pipe 2 of generating device 3.Coal gas of high temperature is by the water in the inner cavity for heating steam generation facility 3 and generates superheated steam, the mistake
Hot steam enters steam electric power generator 9, and the mechanical energy of the superheated steam is converted to electric energy.Steam electric power generator 9 contains steamer
The superheated steam outlet 24 of machine, steam generation facility 3 is connect with the superheated steam entrance of the steam turbine, and the lack of gas of the steam turbine go out
Mouth is connect by gas injecting pipe 11 with gas injection well well head 13, which is equipped with gas injection pump 8, and gas injection pump 8 can will steam
The lack of gas that vapour generating device 3 generates inject go back to underground by gas injecting pipe 11 and gas injection well well head 13.
In the present embodiment, pressure generating set 4, steam electric power generator 9 and gas power generator 12 can with power grid 7
Connection, pressure generating set 4, steam electric power generator 9 and gas power generator 12 can power to power grid 7.It is described overcritical
Underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system can also include apparatus for storing electrical energy, and pressure generating set 4 steams
Vapour power generator 9 and gas power generator 12 can power to the apparatus for storing electrical energy.Alternatively, pressure generating set 4, steam
The electric energy that power generator 9 and gas power generator 12 generate can also be used directly for the electrical equipment at scene.
The course of work of the overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system is described in detail below.
The high temperature and pressure coal gas of underground extraction passes sequentially through gas recovery well well head 1 and gas transmission line enters steam generation facility 3,
The high temperature and pressure coal gas is exchanged by heat, is heated the water in the water storage inner cavity of steam generation facility 3 and is generated superheated steam.It should
Superheated steam enters the acting of steam electric power generator 9, and mechanical energy is converted electric energy by steam electric power generator 9, and the electric energy of generation can be with
Him is supplied into power grid 7 to use.Temperature reduces after the high temperature and pressure coal gas exchanges heat in steam generation facility 3, but still carries huge
Pressure, along pipeline continue forward and enter pressure generating set 4, the high temperature and pressure coal gas by crunch push pressure
Power generator 4 is done work, and converts electric energy for mechanical energy using piezoelectric effect, 4 electricity of pressure generating set can enter
Power grid 7 has done other purposes to field device power or by battery storage electric energy.
Coal gas after gas-to electricity twice, temperature and pressure have dropped down to safe range, are separated by gas net
Change equipment 5 and removes the impurity such as sulphide removal.Pass through the clean energy resourcies gas such as hydrogen, methane, carbon monoxide in the coal gas after isolation of purified
Body will enter gas power generator 12 through gas-guide tube 6, and be generated electricity again by way of burning, and the chemical energy of coal gas is converted to
Electric energy.Coal gas can generate tail gas after burning in gas power generator 12, find through investigation, and the exhaust temperature of burning throws away height
Up to 350 DEG C~500 DEG C, but pressure is decreased, it is impracticable it is novel tail gas is passed through water tank 14, in tail gas heating water tank 14
Water, the water after then water pump 10 will be heated in water tank 14 are sent into the water storage inner cavity of steam generation facility 3, the height of underground extraction
Warm high pressure gas passes sequentially through gas recovery well well head 1 and gas transmission line enters steam generation facility 3, heating steam generation facility 3
Water in water storage inner cavity simultaneously generates superheated steam.The steam tail gas (lack of gas) that steam electric power generator 9 excludes, again by air injection pipe
8 injection underground combustion chambers of road 11 and gas injection pump, the effects of to underground coal gasification(UCG) steam temperature control, pressure control, hydrogen manufacturing.
By the utility model patent, the waste heat and pressure that the raw gas of gas recovery well is had are fully utilized.Perfectly
Energy-saving and emission-reduction (zero-emission) is realized, the purpose of the energy is made full use of.
The above, only specific embodiment of the utility model cannot limit the range that utility model is implemented, institute with it
With the displacement of its equivalent assemblies, or according to equivalent variations made by the utility model patent protection scope and modification, should all still fall within
The scope that this patent is covered.In addition, between technical characteristic and technical characteristic in the utility model, technical characteristic and technical solution
Between, between technical solution and technical solution use can be freely combined.
Claims (10)
1. a kind of overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system, which is characterized in that described overcritical
Underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system includes steam generation facility (3), pressure generating set (4), steams
Vapour power generator (9) and gas power generator (12), steam generation facility (3) contain combustible heat source gas access (21), flammable
Heat source gas exports (22), feed-water intake (23) and superheated steam outlet (24), enters from combustible heat source gas access (21)
Water in steam generation facility (3) can be heated and be generated superheated steam by high-temperature combustible gas body, and steam electric power generator (9) can be with
The superheated steam generates electricity as power source, and pressure generating set (4) can be discharged flammable with combustible heat source gas vent (22)
The pressure of gas generates electricity as power source, the fuel gas that gas power generator (12) can be discharged with pressure generating set (4)
As fuel power generation function.
2. overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system according to claim 1, feature
It is, pressure generating set (4) contains the gentle body pressure source outlet of gas pressure source inlet, the gas of pressure generating set (4)
Pressure source inlet is connect with the combustible heat source gas vent (22) of steam generation facility (3).
3. overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system according to claim 2, feature
It is, the gas pressure source outlet of pressure generating set (4) passes through the fuel inlet of gas-guide tube (6) and gas power generator (12)
Connection.
4. overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system according to claim 3, feature
It is, gas-guide tube (6) is equipped with gas isolation of purified equipment (5).
5. overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system according to claim 1, feature
It is, the overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system further includes water tank (14) and water pump
(10), the tail gas of gas power generator (12) discharge can water in heating water tank (14), water pump (10) can be by water tank (14)
In water be pumped in steam generation facility (3).
6. overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system according to claim 1, feature
It is, the combustible heat source gas access (21) of steam generation facility (3) is connect by gas transmission line with gas recovery well well head (1).
7. overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system according to claim 1, feature
It is, pressure generating set (4), steam electric power generator (9) and gas power generator (12) are connect with power grid (7), pressure hair
Electric installation (4), steam electric power generator (9) and gas power generator (12) can power to power grid (7).
8. overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system according to claim 1, feature
It is, the overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system further includes apparatus for storing electrical energy, pressure
Power generator (4), steam electric power generator (9) and gas power generator (12) can power to the apparatus for storing electrical energy.
9. overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system according to claim 1, feature
It is, steam electric power generator (9) contains steam turbine, superheated steam outlet (24) and the steam turbine of steam generation facility (3)
The lack of gas outlet of the connection of superheated steam entrance, the steam turbine is connect by gas injecting pipe (11) with gas injection well well head (13).
10. overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system according to claim 9, feature
It is, which is equipped with gas injection pump (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821753357.7U CN209339927U (en) | 2018-10-29 | 2018-10-29 | Overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821753357.7U CN209339927U (en) | 2018-10-29 | 2018-10-29 | Overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209339927U true CN209339927U (en) | 2019-09-03 |
Family
ID=67746747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821753357.7U Active CN209339927U (en) | 2018-10-29 | 2018-10-29 | Overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209339927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252842A (en) * | 2018-10-29 | 2019-01-22 | 邓晓亮 | Overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system |
-
2018
- 2018-10-29 CN CN201821753357.7U patent/CN209339927U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252842A (en) * | 2018-10-29 | 2019-01-22 | 邓晓亮 | Overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system |
| CN109252842B (en) * | 2018-10-29 | 2024-04-12 | 邓晓亮 | Mixed gas triple power generation system produced by underground supercritical coal gasification |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106195983B (en) | Coal-fired supercritical carbon dioxide Brayton cycle electricity generation system | |
| CN109138952A (en) | A kind of system and method for overcritical underground coal gasification(UCG) output power generation | |
| CN104963735B (en) | Utilize the method and device of condenser cooling water backwater waste heat gaseous fuel | |
| RU2013150959A (en) | COMBUSTION CHAMBER, COMBUSTION METHOD, ELECTRICITY PRODUCTION DEVICE AND METHOD OF ELECTRICITY PRODUCTION ON SUCH DEVICE | |
| CN105240061B (en) | A kind of superhigh temperature Steam Power Circulation system using note hydrogen burning mixed heating | |
| CN102191957B (en) | Combined cycle and combined heat and power (CHP) equipment and process | |
| CN108843418A (en) | A kind of double pressure high efficiency burnt gas supercritical carbon dioxide association circulating power generation systems | |
| CN209339926U (en) | A kind of system of overcritical underground coal gasification(UCG) output power generation | |
| CN109252842A (en) | Overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system | |
| CN104061028B (en) | The double reheat association circulating power generation system that hydrogen-oxygen is combined with coal dust firing and method | |
| CN209339927U (en) | Overcritical underground coal gasification(UCG) output mixed gas trilogy supply electricity generation system | |
| CN201672507U (en) | Heat accumulating type dual pressure steam superheater | |
| CN109296413A (en) | A kind of the bypass double reheat power generator and method cooling using deep sea water | |
| CN202039910U (en) | Combined-cycle cogeneration equipment | |
| CN208380648U (en) | A kind of association circulating power generation system of the double pressure supercritical carbon dioxide waste heat boilers of band | |
| CN207795326U (en) | Turbine LP rotors | |
| CN206738005U (en) | A kind of gas electricity system | |
| CN205482289U (en) | Raw coal steam drying system of power plant suitable for operate in a variable working condition | |
| CN210424982U (en) | Coil pipe type steam generator furnace body | |
| CN209369886U (en) | A kind of bypass double reheat power generator cooling using deep sea water | |
| CN204691906U (en) | A kind of superposition type Boulez pauses combined cycle generating unit | |
| CN208280995U (en) | Turbo-generator Set with direct-burning heating | |
| CN208349903U (en) | Activated Carbon Production and heat-energy utilizing device | |
| CN209838541U (en) | Coal gasification supercritical carbon dioxide power generation device | |
| CN208182913U (en) | Annular membrane water-cooled jacket, crude-gas sensible heat recycle power generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |