CN106988884A - Electricity-generating method and electricity generation system - Google Patents
Electricity-generating method and electricity generation system Download PDFInfo
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- CN106988884A CN106988884A CN201710183757.2A CN201710183757A CN106988884A CN 106988884 A CN106988884 A CN 106988884A CN 201710183757 A CN201710183757 A CN 201710183757A CN 106988884 A CN106988884 A CN 106988884A
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- 230000005611 electricity Effects 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 126
- 239000000567 combustion gas Substances 0.000 claims abstract description 113
- 238000003860 storage Methods 0.000 claims abstract description 78
- 238000002309 gasification Methods 0.000 claims abstract description 70
- 238000002485 combustion reaction Methods 0.000 claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 31
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 19
- 239000003546 flue gas Substances 0.000 claims description 19
- 238000010248 power generation Methods 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 11
- 238000009825 accumulation Methods 0.000 abstract description 6
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 239000002918 waste heat Substances 0.000 description 6
- 239000011435 rock Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005235 decoking Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/14—Gas-turbine plants having means for storing energy, e.g. for meeting peak loads
- F02C6/16—Gas-turbine plants having means for storing energy, e.g. for meeting peak loads for storing compressed air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
A kind of electricity-generating method is provided, including：Step 1：The burned out area produced using underground gasification builds combustion gas gas storage, and combustion gas gas storage is connected with underground gasification furnace；Step 2：By the part feeding combustion chamber of the gasifying agent of compression, another part sends into gasification of carbonaceous humatite reservoir in underground gasification furnace and produces combustion gas；Step 3：It will be stored in the redundance feeding combustion gas gas storage for the combustion gas produced in underground gasification furnace；And step 4：Combustion gas feeding combustion chamber is taken out from underground gasification furnace and/or combustion gas gas storage, the gas power needed for generating is produced with the gasifying agent mixed combustion with sending into combustion chamber.A kind of electricity generation system is also provided.The electricity-generating method builds gas storage using underground gasification and stores the combustion gas of underground gasification production, realize that underground gasification, gas storage and efficient joint generate electricity, energy storage, energy-conservation, the purpose generated electricity are reached, so as to solve the problems, such as extensive accumulation of energy and the peaking generation of the unnecessary electric energy of power system.
Description
Technical field
The present invention relates to a kind of electricity-generating method and electricity generation system.
Background technology
With clean energy resource fast development in recent years, wind energy, solar power generation generate electricity at home as renewable and clean energy resource
It is widely available, but the intrinsic intermittent problems of wind-powered electricity generation, solar power generation itself are new energy development bottlenecks.With new energy
The continuation of generating scale expands, and this problem seems more urgent.With reference to power network electricity consumption kurtosis, by energy storage more than needed
Get up, discharged again with energy peak period, be to solve the intermittent emphasis of new energy.
Compressed gas accumulation of energy is more ripe energy storage technology, and wherein compressed gas energy storage power generation is used as a kind of extensive storage
The new technology of energy, can effectively meet the energy storage power generation demand of generation of electricity by new energy and peak load regulation network, but stored up on a large scale by building
The limitation overall development of gas facility is slow.Fuel gas supply also can only newly organizational system gas or access gas ductwork, newly-increased larger cost is thrown
Enter.In addition, existing compressed gas energy storage power generation, is stored in the artificial cave in rock salt or rock, or utilize day using air
Right loose rock water-bearing layer, the large-scale gas storage facility cost of construction is huge, the cycle is long, and addressing requires also higher.
Underground coal gasification(UCG) is exactly that the coal in underground is carried out into controlled burning, passes through the heat effect and change to coal
Effect produces the process of fuel gas.Underground coal gasification(UCG) generation synthesis gas can be used as chemical industry synthesis unstripped gas, generate electricity and
Industrial fuel.Coal underground gasifying furnace includes several parts such as inlet well, gasifiable coal seam and passage, outlet well.In gasification furnace
Coal seam combustible component is exported after combustion gasification reaction with gas, non-combustible component (such as metalliferous mineral, dirt band) and coal combustion
The indwelling in the form of lime-ash of remaining carbon residue part is in situ in gasification.After incendivity gasifying section is produced out in gasification furnace coal seam,
Form new using lime-ash and caving rock as the cavity of supportive body and pore structure shape confined air between the top of run of mine coal seam, bottom plate
Between --- gasification burned out area (see Fig. 1), its volume changes generally up to tens of ten thousand steres with single gasification furnace scale.Existing work
Industry underground gasification electricity generation system, flow is：Compression mechanism gasifying agent → gasifier system gas → gas-purification → boiler combustion →
Steam-electric power.
Existing underground gasification electricity generation system, which compares compressed gas energy storage power generation technology, can reduce cost input, but it is produced
Thick combustion gas be fed directly to ground, through gas-purification system purification in favor of later use system operation.The combustion built with this
The Load Regulation ability of gas electricity generation system is small, and the startup and operation of fuel engine power generation system are limited by network load, whole production
Stablize relatively poor.
The content of the invention
For problem present in correlation technique, it is an object of the invention to provide a kind of electricity-generating method, to solve electric power
The extensive accumulation of energy of the unnecessary electric energy of system and peaking generation problem.
To achieve the above object, the invention provides a kind of electricity-generating method, the electricity-generating method includes：Step 1：Utilize underground
The burned out area that gasification is produced builds combustion gas gas storage, and combustion gas gas storage is connected with underground gasification furnace；Step 2：By the gasification of compression
Gasification of carbonaceous humatite reservoir produces combustion gas in the part feeding combustion chamber of agent, another part feeding underground gasification furnace；Step
Rapid 3：It will be stored in the redundance feeding combustion gas gas storage for the combustion gas produced in underground gasification furnace；And step 4：From underground
Combustion gas feeding combustion chamber is taken out in gasification furnace and/or combustion gas gas storage, to be produced with the gasifying agent mixed combustion for sending into combustion chamber
Gas power needed for generating electricity.
According to one embodiment of present invention, combustion gas gas storage is configured to complete closed structure and wherein set with injection-production well
Apply, and the seal pressure and operating pressure of combustion gas gas storage and the seal pressure and operating pressure of underground gasification furnace are equal.
According to one embodiment of present invention, in step 1：At least one combustion gas gas storage is built, and uses ground
Pipe network or underground gasification passage connect at least one combustion gas gas storage with underground gasification furnace.
According to one embodiment of present invention, in step 2：Before the part feeding combustion chamber by gasifying agent, warp
Exchanged heat by gas heat-exchanger and/or exchanged heat by flue gas heat-exchange unit with flue gas with combustion gas.
According to one embodiment of present invention, in step 4：Before the combustion gas of taking-up is sent into combustion chamber, via combustion
Air purifying apparatus is purified to combustion gas.
According to one embodiment of present invention, in step 2, the unnecessary electric energy of network system low power consumption, wind energy are passed through
The electric energy of electricity generation system or the electrical energy drive compressor of solar power system compress gasifying agent.
According to one embodiment of present invention, electricity-generating method also includes step 5：Gas power is conveyed to combustion gas turbine
Machine, is generated electricity by combustion gas turbine machine driving generator.
According to one embodiment of present invention, in steps of 5：Combustion gas turbine machine drives electrical power generators by clutch；
Or combustion gas turbine machine directly drives compressor compresses gasifying agent.
According to one embodiment of present invention, in gasifying agent flow is set to adjust in transfer pipeline, the transfer pipeline of combustion gas
Save valve.
According to one embodiment of present invention, gasifying agent is the oxygen rich gas that oxygen concentration is more than 21%.
According to another aspect of the present invention there is provided a kind of electricity generation system, the electricity generation system includes：Compressor, with exhaust
Mouthful；Underground gasification furnace, with inlet well and outlet well；Combustion gas gas storage, is exported with gas storage entrance and gas storage；And burning
Room, wherein, exhaust outlet and inlet well and combustion chamber, outlet well and gas storage entrance and combustion chamber, gas storage outlet and combustion
Burn room connection.
According to one embodiment of present invention, gas heat-exchanger is provided between exhaust outlet and combustion chamber.
According to one embodiment of present invention, flue gas heat-exchange unit, and cigarette are additionally provided between exhaust outlet and fuel chamber
Gas heat exchanger is located at the downstream of gas heat-exchanger relative to fluid flow direction.
According to one embodiment of present invention, to be provided with combustion gas between gas storage outlet and/or outlet well and combustion chamber net
Makeup is put.
According to one embodiment of present invention, electricity generation system also include combustion gas turbine machine and generator, wherein, combustion chamber with
The connection of combustion gas turbine machine to combustion gas turbine machine to provide gas power, and combustion gas turbine machine is connected to drive generator to send out with generator
Electricity.
According to one embodiment of present invention, combustion gas turbine machine drives electrical power generators by clutch.
According to one embodiment of present invention, between exhaust outlet and inlet well, between exhaust outlet and combustion chamber, outlet well
Flow control valve is provided between combustion chamber and between gas storage outlet and combustion chamber.
The advantageous effects of the present invention are：
Pressure energy-storage and gas storage are combined by the electricity-generating method of the present invention, are built gas storage using underground gasification and are stored up
The combustion gas of underground gasification production is deposited, realizes that underground gasification, gas storage and efficient joint generate electricity, energy storage, energy-conservation, hair is reached
The purpose of electricity, so as to solve the problems, such as extensive accumulation of energy and the peaking generation of the unnecessary electric energy of power system.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the process chart of the electricity-generating method of the embodiment of the present invention 1.
Embodiment
Below with reference to accompanying drawing, embodiments of the invention are specifically described.It should be noted that each following implementation
Example can be mutually combined or partial replacement in any possible manner.
As shown in figure 1, the embodiment of the present invention 1 provides a kind of electricity-generating method.The electricity-generating method comprises the following steps：(1) it is sharp
The burned out area produced with underground gasification builds combustion gas gas storage 14, and combustion gas gas storage 14 is connected with underground gasification furnace 13；
(2) by the part feeding combustion chamber 4 of the gasifying agent of compression, and another part of the gasifying agent of compression is sent into underground gasification
Gasification of carbonaceous humatite reservoir produces combustion gas in stove 13；(3) by the redundance for the combustion gas produced in underground gasification furnace 13
Stored in feeding combustion gas gas storage 14；And (4) take out combustion gas feeding from underground gasification furnace 13 and combustion gas gas storage 14
Combustion chamber 4, with the gasifying agent mixed combustion with sending into combustion chamber 4, produces the gas power needed for generating.
Herein it should be noted that in above-mentioned electricity-generating method, combustion gas can be produced in underground gasification furnace, can also
Obtained by other approach；In addition, the stage of combustion gas and storage combustion gas is produced in step (2), (3) can utilize power network or production
The unnecessary energy of energy system is carried out, and then the production capacity operation in step (4) can be being performed according to network load demand with the energy stage,
Carry out peaking generation.
Valuably, pressure energy-storage and gas storage are combined by above-described electricity-generating method, are built using underground gasification
Gas storage and the combustion gas for storing underground gasification production, realize that underground gasification, gas storage and efficient joint generate electricity, reach storage
The purpose that, can be saved, generate electricity, so as to solve the problems, such as extensive accumulation of energy and the peaking generation of the unnecessary electric energy of power system.
In an optional embodiment, combustion gas gas storage 14 is configured to complete closed structure, and in combustion gas gas storage
Injection-production well facility is provided with 14；Preferably, the seal pressure and operating pressure of combustion gas gas storage 14 and underground gasification furnace 13
Seal pressure and operating pressure are equal.
In the above-described embodiments, the burned out area produced using underground gasification, which builds combustion gas gas storage 14, has many benefits：
First, burned out area generally has good seal at 120 meters deep and to be filled by lime-ash and rock part, through abundant
Burning is gentle to be melted and adopts after replacement Treatment substantially without combustible and surrounding country rock has certain waste heat, for combustion gas or gasifying agent storage
It is safe and feasible to deposit；In addition, underground gasification furnace auxiliary construction has complete gasifying agent and gas ductwork, and each Pipe net pressure
1.0-4.0MPa even more highs can be reached, its gas storage disclosure satisfy that compressed gas energy storage power generation and gasification furnace production run will
Ask, therefore underground gasification furnace related facility can be made full use of in Construction of Underground Gas Storage, great amount of investment expense, example can be saved
Such as, exported using injection-production well as the gas storage entrance of combustion gas gas storage 14 and gas storage；Further, single furnace gas coal is formed
Burned out area space it is generally larger, therefore its storage capacity it is big and can many stoves formation in flakes, adjusted beneficial to subsequent production.
According in another optional embodiment of the present invention, at least one combustion gas gas storage 14 is built in step 1；Example
Such as, in a possible embodiment, multiple combustion gas gas storages 14 are built, and will using surface pipeline network or underground gasification passage
Each combustion gas gas storage 14 is connected with underground gasification furnace 13, with the demand for the bigger reserves for meeting combustion gas.
As shown in figure 1, in the step 2 of the embodiment of the present invention 1, a part for the gasifying agent of compression is being sent into combustion chamber
Before 4, make the Partial shrinkage gas respectively by gas heat-exchanger 6 and flue gas heat-exchange unit 7, wherein, the effect of gas heat-exchanger 6
It is the Partial shrinkage gas is exchanged heat with combustion gas with recovery waste heat, similarly, the effect of flue gas heat-exchange unit 7 is to make the part and cigarette
Gas heat exchange recovery waste heat.In the above-described embodiments, whole electricity generation system can make full use of gas-turbine flue gas and underground gasification furnace 13
Waste heat gas heats up to compressed gas, and being generated electricity compared with single compressed compressed air storage power generation and underground gasification has higher system Thermal Synthetic
Efficiency.
Also as shown in figure 1, in the step 4 of the embodiment of the present invention 1, before the combustion gas of taking-up is sent into combustion chamber 4, making
Combustion gas is purified via gas cleaning device 8 to combustion gas；Exemplarily, gas cleaning device 8 includes dehydration device, decoking
The devices such as oily, thick desulfurization, its main function is tar, water, H in the thick combustion gas of separation2The impurity such as S, thus obtain net combustion gas with
It is used as fuel.
According to an optional embodiment of the present invention, as shown in figure 1, in step 2, the compressed gas of compressor 1 can be used
Agent, and can be used as power to drive compressor by unnecessary electric energy, wind energy or the solar energy system of network system low power consumption
1。
In addition, in the embodiments of the present invention 1, as shown in figure 1, may also include step 5：Gas power is conveyed to combustion
Gas turbine 5, drives generator 3 to generate electricity by combustion gas turbine machine 5.And in some optional embodiments, combustion gas turbine machine 5
By clutch 2 generator 3 can be driven to generate electricity；Or combustion gas turbine machine 5 can directly drive compressor 1 to compress gasifying agent, i.e. when
Electricity generation system to power network supply load reduce when, can by adjust clutch 2 directly drive compressor 1 carry out gasifying agent compression,
Energy accumulation gas is produced for underground gasification.
Additionally preferably, according to one embodiment of present invention, flow control valve 9 can be set in the transfer pipeline of gasifying agent
Flow control valve 10 and 11 is set with 12, in the transfer pipeline of combustion gas, to control the fluid feed flow in each pipeline.
In addition, in each above-mentioned embodiment and other possible embodiments of the present invention, gasifying agent is that oxygen concentration is big
In 21% oxygen rich gas, such as oxygen concentration be more than in 21% oxygen, nitrogen, carbon dioxide and other inert gases two kinds or
A variety of mixtures.
On the other hand, reference picture 1, the present invention also provides a kind of electricity generation system.The electricity generation system includes：Compressor 1, has
Exhaust outlet；Underground gasification furnace 13, with inlet well and outlet well；Combustion gas gas storage 14, is exported with gas storage entrance and gas storage；With
And combustion chamber 4, wherein, the exhaust outlet of compressor 1 is connected with the inlet well of underground gasification furnace 13 and combustion chamber 4, with to underground gas
Change stove 13 and the conveying of combustion chamber 4 gasifying agent；The outlet well of underground gasification furnace 13 connected with the gas storage entrance of combustion gas gas storage 14 with
Unnecessary fuel gas transmission is stored into combustion gas gas storage 14, and the outlet well of underground gasification furnace 13 also connects with combustion chamber 4
It is logical, to be used for combustion power generation to the supply combustion gas of combustion chamber 4；In addition, the gas storage outlet of combustion gas gas storage 14 is connected with combustion chamber 4,
So that the combustion gas of storage is provided to combustion chamber 4 in peak of power consumption.
According to the optional embodiment of the present invention, combustion gas heat exchange is provided between the exhaust outlet of compressor 1 and combustion chamber 4
Device 6, the effect of gas heat-exchanger 6 is gasifying agent compressed gas is exchanged heat with combustion gas with recovery waste heat while being dropped to combustion gas
Temperature；In some optional embodiments of the present invention, between the exhaust outlet of compressor 1 and fuel chamber 4 being additionally provided with flue gas changes
Hot device 7, similarly, the effect of flue gas heat-exchange unit 7 are to make gasifying agent compressed gas with flue gas heat exchange recovery waste heat simultaneously to flue gas
Cooled；And flue gas heat-exchange unit 7 is located at the downstream of gas heat-exchanger 6 relative to the flow direction of gasifying agent compressed gas,
Because compared with combustion gas, the temperature of flue gas is higher, and flue gas heat-exchange unit 7 is arranged on to the downstream of gas heat-exchanger 6, it can make
Gasifying agent exchanges heat with the combustion gas of relative low temperature heat up first, then again with the flue gas heat exchange of relatively-high temperature and heat up again so that
The heat of whole system is utilized ladder, considerably improves heating efficiency, and can also realize to combustion gas and flue gas
The beneficial effect cooled.
Additionally, reference picture 1, in a possible embodiment, in the gas storage outlet of combustion gas gas storage 14 and/or underground
Gas cleaning device is provided between the outlet well of gasification furnace 13 and combustion chamber 4, for the gas-purification that will be produced and/or store
It is used as fuel power generation function into net combustion gas.
According to an alternative embodiment of the invention, as shown in figure 1, electricity generation system also includes combustion gas turbine machine 5 and generator 3,
Wherein, combustion chamber 4 is connected to provide gas power, and combustion gas turbine machine 5 and hair to combustion gas turbine machine 5 with combustion gas turbine machine 5
Motor 3 connects to drive generator 3 to generate electricity；In some optional embodiments, combustion gas turbine machine 5 can be driven by clutch 2
Generator 3 generates electricity.
Reference picture 1, according to some preferred embodiments of the present invention, in exhaust outlet and the underground gasification furnace 13 of compressor 1
Inlet well between be provided with flow control valve 9, be provided with flow control valve between the exhaust outlet of compressor 1 and combustion chamber 4
12nd, flow control valve 10 is provided between the outlet well of underground gasification furnace 13 and combustion chamber 4 and in combustion gas gas storage 14
Flow control valve 11 is provided between gas storage outlet and combustion chamber 4, each flow control valve of the above is used for the stream for controlling each pipeline
Body flow.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (17)
1. a kind of electricity-generating method, it is characterised in that including：
Step 1：The burned out area produced using underground gasification builds combustion gas gas storage, and the combustion gas gas storage connects with underground gasification furnace
It is logical；
Step 2：By the part feeding combustion chamber of the gasifying agent of compression, another part, which is sent into gasify in the underground gasification furnace, to be contained
Carbon humatite reservoir produces combustion gas；
Step 3：The redundance for the combustion gas produced in the underground gasification furnace is sent into the combustion gas gas storage and stored up
Deposit；And
Step 4：Combustion gas is taken out from the underground gasification furnace and/or the combustion gas gas storage and sends into the combustion chamber, with institute
State the gas power needed for the gasifying agent mixed combustion generation generating of feeding combustion chamber.
2. electricity-generating method according to claim 1, it is characterised in that the combustion gas gas storage is configured to complete closed structure
And wherein there is injection-production well facility, and the seal pressure and operating pressure and the underground gasification furnace of the combustion gas gas storage
Seal pressure and operating pressure are equal.
3. electricity-generating method according to claim 1, it is characterised in that in the step 1：Build at least one described combustion
Gas gas storage, and will at least one described combustion gas gas storage and the underground gasification using surface pipeline network or underground gasification passage
Stove is connected.
4. electricity-generating method according to claim 1, it is characterised in that in the step 2：
Before the part feeding combustion chamber by the gasifying agent, exchanged heat and/or passed through with combustion gas via gas heat-exchanger
Flue gas heat-exchange unit is crossed to be exchanged heat with flue gas.
5. electricity-generating method according to claim 1, it is characterised in that in the step 4：
Before the combustion gas of the taking-up is sent into the combustion chamber, the combustion gas is purified via gas cleaning device.
6. electricity-generating method according to claim 1, it is characterised in that in the step 2, low by network system electricity consumption
The electrical energy drive compressor of the unnecessary electric energy of paddy, the electric energy of wind power generation system or solar power system compresses the gasification
Agent.
7. electricity-generating method according to claim 1, it is characterised in that also including step 5：
The gas power is conveyed to combustion gas turbine machine, generated electricity by the combustion gas turbine machine driving generator.
8. electricity-generating method according to claim 7, it is characterised in that in the step 5：
The combustion gas turbine machine drives the electrical power generators by clutch；Or
The combustion gas turbine machine directly drives gasifying agent described in the compressor compresses.
9. electricity-generating method according to claim 1, it is characterised in that transfer pipeline, the combustion gas in the gasifying agent
Transfer pipeline in flow control valve is set.
10. electricity-generating method according to claim 1, it is characterised in that the gasifying agent is the richness that oxygen concentration is more than 21%
Carrier of oxygen.
11. a kind of electricity generation system, it is characterised in that including：
Compressor, with exhaust outlet；
Underground gasification furnace, with inlet well and outlet well；
Combustion gas gas storage, is exported with gas storage entrance and gas storage；And
Combustion chamber,
Wherein, the exhaust outlet and the inlet well and the combustion chamber, the outlet well and the gas storage entrance and institute
State combustion chamber, the gas storage outlet and the combustion chamber.
12. electricity generation system according to claim 11, it is characterised in that set between the exhaust outlet and the combustion chamber
It is equipped with gas heat-exchanger.
13. electricity generation system according to claim 12, it is characterised in that between the exhaust outlet and the fuel chamber also
Flue gas heat-exchange unit is provided with, and the flue gas heat-exchange unit is located under the gas heat-exchanger relative to fluid flow direction
Trip.
14. electricity generation system according to claim 11, it is characterised in that in gas storage outlet and/or the outlet well
Gas cleaning device is provided between the combustion chamber.
15. electricity generation system according to claim 11, it is characterised in that also including combustion gas turbine machine and generator, wherein,
The combustion chamber be connected with the combustion gas turbine machine with to the combustion gas turbine machine provide gas power, the combustion gas turbine machine with
The generator connects to drive the electrical power generators.
16. electricity generation system according to claim 15, it is characterised in that the combustion gas turbine machine drives institute by clutch
State electrical power generators.
17. electricity generation system according to claim 11, it is characterised in that between the exhaust outlet and the inlet well,
Between the exhaust outlet and the combustion chamber, between the outlet well and the combustion chamber and gas storage outlet with it is described
Flow control valve is provided between combustion chamber.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236387A (en) * | 2021-04-23 | 2021-08-10 | 国网浙江省电力有限公司电力科学研究院 | Gas turbine coal machine combined power generation system and method |
| CN115434752A (en) * | 2022-09-16 | 2022-12-06 | 合肥综合性国家科学中心能源研究院(安徽省能源实验室) | Compressed air energy storage system utilizing abandoned mine roadway |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012087974A (en) * | 2010-10-18 | 2012-05-10 | Central Res Inst Of Electric Power Ind | Coal-fired power generation system |
| CN102518516A (en) * | 2011-12-14 | 2012-06-27 | 华北电力大学 | Integral compressed air energy storage and coal gasification power generation system and integrated power generation method |
| CN202596893U (en) * | 2012-05-30 | 2012-12-12 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Electricity-synthetic natural gas peak shaving power generation system based on catalytic gasification |
| CN203403070U (en) * | 2013-07-16 | 2014-01-22 | 南京师范大学 | Biomass pressurized fluidized-bed gasification gas turbine combined cycle power generation system |
| CN103883400A (en) * | 2012-12-24 | 2014-06-25 | 新奥气化采煤有限公司 | Electricity generating method and electricity generating system |
-
2017
- 2017-03-24 CN CN201710183757.2A patent/CN106988884A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012087974A (en) * | 2010-10-18 | 2012-05-10 | Central Res Inst Of Electric Power Ind | Coal-fired power generation system |
| CN102518516A (en) * | 2011-12-14 | 2012-06-27 | 华北电力大学 | Integral compressed air energy storage and coal gasification power generation system and integrated power generation method |
| CN202596893U (en) * | 2012-05-30 | 2012-12-12 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Electricity-synthetic natural gas peak shaving power generation system based on catalytic gasification |
| CN103883400A (en) * | 2012-12-24 | 2014-06-25 | 新奥气化采煤有限公司 | Electricity generating method and electricity generating system |
| CN203403070U (en) * | 2013-07-16 | 2014-01-22 | 南京师范大学 | Biomass pressurized fluidized-bed gasification gas turbine combined cycle power generation system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236387A (en) * | 2021-04-23 | 2021-08-10 | 国网浙江省电力有限公司电力科学研究院 | Gas turbine coal machine combined power generation system and method |
| CN113236387B (en) * | 2021-04-23 | 2022-11-29 | 国网浙江省电力有限公司电力科学研究院 | Gas turbine coal machine combined power generation system and method |
| CN115434752A (en) * | 2022-09-16 | 2022-12-06 | 合肥综合性国家科学中心能源研究院(安徽省能源实验室) | Compressed air energy storage system utilizing abandoned mine roadway |
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