CN108953083A - One kind being based on groove type solar gas Combined loop distribution formula electricity generation system and method - Google Patents
One kind being based on groove type solar gas Combined loop distribution formula electricity generation system and method Download PDFInfo
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- CN108953083A CN108953083A CN201810669201.9A CN201810669201A CN108953083A CN 108953083 A CN108953083 A CN 108953083A CN 201810669201 A CN201810669201 A CN 201810669201A CN 108953083 A CN108953083 A CN 108953083A
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- 230000005611 electricity Effects 0.000 title claims description 24
- 238000000034 method Methods 0.000 title claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 239000007789 gas Substances 0.000 claims abstract description 53
- 239000002918 waste heat Substances 0.000 claims abstract description 42
- 238000009833 condensation Methods 0.000 claims abstract description 18
- 230000005494 condensation Effects 0.000 claims abstract description 18
- 230000007812 deficiency Effects 0.000 claims abstract description 4
- 239000008236 heating water Substances 0.000 claims abstract description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 26
- 238000005338 heat storage Methods 0.000 claims description 16
- 238000002485 combustion reaction Methods 0.000 claims description 12
- 239000000567 combustion gas Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 8
- 238000003303 reheating Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000001914 calming effect Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000009998 heat setting Methods 0.000 description 2
- 230000005534 acoustic noise Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G6/00—Devices for producing mechanical power from solar energy
- F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
- F03G6/064—Devices for producing mechanical power from solar energy with solar energy concentrating means having a gas turbine cycle, i.e. compressor and gas turbine combination
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G6/00—Devices for producing mechanical power from solar energy
- F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
- F03G6/065—Devices for producing mechanical power from solar energy with solar energy concentrating means having a Rankine cycle
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a kind of distributed generation system based on groove type solar gas Combined circulation, including groove type solar collection thermal sub-system, gas turbine subsystem, waste heat boiler subsystem, steam turbine subsystems.Groove type solar collection thermal sub-system heats the part water supply of waste heat boiler condensation water preheater outlet, improves the acting ability of vapor in waste heat boiler as auxiliary thermal source；The exhaust of gas turbine is used to heat the water supply in waste heat boiler；The superheated steam that waste heat boiler generates expansion work in steam turbine.The present invention can automatically select the mode of groove type solar heating water supply access waste heat boiler according to the variation of solar radiant energy: when solar energy abundance, the outlet of access high pressure evaporator；When solar energy deficiency, evaporator outlet is pressed in access.It realizes to " cascade utilization " of energy, improves the operational efficiency and practicability of system.
Description
Technical field
The present invention relates to generating equipment technical fields, more particularly to one kind based on groove type solar gas Combined circulation point
Cloth electricity generation system and method.
Background technique
With the development of science and technology with the raising of living standards of the people, modern society is to the more next dependent on demand of electric energy
It is more serious.The clean energy resourcies such as Gas-steam Combined Cycle power plant natural gas fuel, water-gas, and because the unit has starting speed
Degree is fast, power supply efficiency is high, occupied area is small, the power plant construction period is short, investment cost is small, operational reliability is high, environmental pollution is small,
The advantages that equipment acoustic noise is small, specific gravity becomes larger in China's power industry, becomes metropolitan main force's unit such as wide deeply of going up north.
Natural gas obtained the support of national policy as the use of main clean energy resource in recent years, further promoted fuel gas-steam connection
Close the development of Cycle Unit.Coal unit has been cancelled in Beijing, and Combined-cycle Gas Turbine Unit has become the urban electricity supply peak regulation
Supplemented by, heating based on main force's unit.Gas-steam combined cycle set has become main group of big city heating power supply unit
Develop from military estate to civil use industry, from last century mid-term aerospace field to industrial development from spare peak regulation at part
Power source development develops to basic unit, and various aspects gradually move to maturity, the following main force that will also become the power generation of major urban heat supplying
Unit.Waste heat boiler is the key that steam side and the heat exchange of combustion engine side as one of the big pith of combined cycle unit three
Component part, its performance optimize, Gas-steam Combined Cycle Heat Recovery Steam Generator significant to the promotion of entire unit efficiency
Running optimizatin research have huge realistic meaning.Solar energy as clean energy resource and renewable energy, can to coal, petroleum,
The offer of the non-renewable energy resources such as natural gas effectively supplements, and makes full use of solar energy to have China's strategy of sustainable development great
Realistic meaning.
It is a kind of based on groove type solar gas Combined loop distribution formula electricity generation system and method therefore, it is desirable to have, it is existing to solve
There is the problem of technology.
Summary of the invention
In view of the deficiencies of the prior art, a kind of based on groove type solar gas Combined circulation point present invention aims at proposing
Cloth electricity generation system and method, the system are given using what condensation water preheater in a part of combined cycle of solar energy heating exported
Water increases waste heat boiler vapour system output power, and reduces gas turbine engine systems fuel consumption, energy saving, subtracts
The discharge of of low pollution object, and improve the economy of combined cycle.
The present invention provides a kind of based on groove type solar gas Combined loop distribution formula electricity generation system comprising: slot type is too
Sun can collect thermal sub-system, waste heat boiler subsystem, gas turbine subsystem and steam turbine subsystem；The groove type solar thermal-arrest
Pass through piping connection between subsystem, waste heat boiler subsystem, gas turbine subsystem and steam turbine subsystem；
The groove type solar collection thermal sub-system includes: groove type solar reflector, thermal-collecting tube, temperature detect switch (TDS), heat storage can
With adjustable water pump；Water supply as working-medium water is transported to the entrance of the thermal-collecting tube by pipeline by the adjustable water pump,
Water supply absorbs the solar energy from groove type solar reflector in the thermal-collecting tube, and the groove type solar reflector will pass through
Water supply inside the thermal-collecting tube is heated to superheated steam, and superheated steam enters the heat storage can through piping and stored, institute
The entrance that the superheated steam in heat storage can is pipelined to the temperature detect switch (TDS) is stated, the temperature detect switch (TDS) carries out superheated steam
The selection of flow direction, superheated steam and high pressure gas bag outlet in the heat storage can described in the egress selection of the temperature detect switch (TDS)
Saturated vapor carries out mixing or is mixed with the saturated vapor of medium pressure gas bag outlet；
The waste heat boiler subsystem includes: condensation water preheater, current divider, middle water pump, high-pressure hydraulic pump, low-pressure steam
Packet, low pressure evaporator, low-pressure superheater, middle pressure economizer, middle pressure drum, middle pressure evaporator, middle pressure superheater, reheater, height
Press economizer, HP steam drum, high pressure evaporator, high-pressure superheater and condenser；Steam after acting is cold by the condenser
Condensed water is congealed into, condensed water is entered after the condensation water preheater preheating by pipeline and enters entering for the current divider by pipeline
Mouthful, the current divider will enter water supply therein and be divided into multichannel, and the first via enters the groove type solar by adjustable water pump
Saturated vapor in the thermal-collecting tube of thermal-arrest subsystem, after heating through heat storage can, temperature switch selection and the outlet of the high pressure gas bag
Or the saturated vapor of the outlet of medium pressure gas bag converges；Second tunnel enters the low-pressure drum and the low pressure by pipeline
The entrance of evaporator, the saturated vapor of the outlet of the low-pressure drum enter the entrance of the low-pressure superheater by pipeline, warp
Cross after low-pressure superheater heating and the low pressure (LP) cylinder is entered by pipeline drive the generator acting, the steam after acting from
The outlet of the low pressure (LP) cylinder enters the condenser by pipeline；Third road enters medium pressure water pump by pipeline and is risen
Pressure flows into medium pressure economizer from the outlet of medium pressure water pump by pipeline after boosting, from going out for medium pressure economizer
Mouth enters the entrance of medium pressure drum and medium pressure evaporator, the saturated vapor of the outlet of medium pressure drum by pipeline
Converged by the superheated steam that the temperature switch of pipeline and the groove type solar collection thermal sub-system is drawn, into described
The entrance for pressing superheater, after the acting for passing through the outlet discharge of pipeline and the high pressure cylinder after the heating of medium pressure superheater
Steam remittance be combined into the reheater and carry out reheating, reheated steam enters medium pressure by pipeline from the outlet of reheater
Cylinder drives generator acting, outlet of the steam through medium pressure cylinder after acting by pipeline enter back into the low pressure (LP) cylinder after
It is continuous to drive the generator acting；4th tunnel enters the high-pressure hydraulic pump by pipeline and boosts, from the high pressure after boosting
The outlet of pump flows into the high-pressure economizer by pipeline, enters the HP steam drum from the outlet of high-pressure economizer by pipeline
Pass through pipeline and the groove type solar collection with the saturated vapor of the entrance of the high pressure evaporator, the outlet of the HP steam drum
The superheated steam that the temperature switch of thermal sub-system is drawn converges, into the entrance of the high-pressure superheater, by the height
Pass through pipeline into the high pressure cylinder drive generator acting after pressing superheater heating, the steam after acting is through the high pressure
The outlet of cylinder enters back into the reheater by pipeline and carries out reheating；
The gas turbine subsystem includes: compressor, combustion chamber, combustion gas turbine and generator；The compressor will press
The air of contracting inputs the combustion chamber and fuel by pipeline and is mixed and burned, the outlet of the gas of high temperature and pressure from the combustion chamber
Enter the combustion gas turbine by pipeline and drive electrical power generators, the exhaust of the outlet of the combustion gas turbine enters waste heat boiler
System carries out heat recovery；
The steam turbine subsystem includes: low pressure (LP) cylinder, intermediate pressure cylinder, high pressure cylinder and generator.
Preferably, the groove type solar collection thermal sub-system is as auxiliary thermal source, for heating the waste heat boiler subsystem
The part water supply of the outlet of the condensation water preheater in system, improves the acting of saturated vapor in the waste heat boiler subsystem
Ability；The exhaust of the gas turbine subsystem provides heat source for the waste heat boiler subsystem, for heating water supply.
Preferably, the thermal-collecting tube is used to heat the water supply all the way of the current divider, overheats when absorbing solar energy abundance
Vapor (steam) temperature reaches the temperature of the outlet saturated vapor of the HP steam drum, and in solar absorption deficiency, superheat steam temperature reaches
To the temperature of the outlet saturated vapor of medium pressure drum.
Preferably, the pressure-adjustable pump entrance connects the outlet of the separator, and the outlet of the adjustable water pump is straight
Connect-connect the entrance of the thermal-collecting tube；The adjustable water pump according to the energy of the sun it is strong, weak come select enter groove type solar collection
The feed pressure of thermal sub-system.
Preferably, the stream for the superheated steam being stored in the heat storage can that the temperature switch flows out the thermal-collecting tube
To being selected, when the groove type solar collection thermal sub-system recepts the caloric it is sufficient when, the superheated steam of the outlet of the heat collector
It is mixed with the saturated vapor of the outlet of the HP steam drum；When groove type solar caloric receptivity is less, the heat collector
The superheated steam of outlet is mixed with the saturated vapor of the outlet of medium pressure drum.
Preferably, the water supply of the outlet of the condensation water preheater is divided into four tunnels by the current divider.
The present invention provides a kind of using the above-mentioned operation based on groove type solar gas Combined loop distribution formula electricity generation system
Method comprising following steps:
Step 1, it is described condensation water preheater outlet water supply through the current divider shunting after wherein water supply is defeated all the way
Be sent to the adjustable water pump, enter in the groove type solar collection thermal sub-system after the adjustable water pump boosting described in
Thermal-collecting tube, the thermal-collecting tube absorbs the solar energy from the groove type solar reflector, and water supply is heated into superheated steam；
Step 2, the adjustable water pump absorbs the strong, weak of solar energy according to the groove type solar collection thermal sub-system and selects
Select the feed pressure into the groove type solar collection thermal sub-system；
Step 3, it is stored in the heat storage can by the superheated steam that the thermal-collecting tube heats；
Step 4, the superheated steam is selected to access the waste heat by the temperature switch according to the temperature of superheated steam
The mode of boiler subsystem, when the groove type solar collection thermal sub-system absorbs solar energy abundance, the temperature switch selection
The superheated steam is mixed with the saturated vapor of the outlet of the HP steam drum, by described in high-pressure superheater heating entrance
High pressure cylinder acting；When groove type solar collection thermal sub-system suction solar energy is smaller, the temperature switch selects the overheat
Steam is mixed with the saturated vapor of the outlet of medium pressure drum, is heated by medium pressure superheater and is done with the high pressure cylinder
Enter the reheater after steam mixing after function further to heat, finally enters the acting of medium pressure cylinder.
Preferably, the thermal-collecting tube absorbs the heat from groove type solar reflector, and heating a part is from described solidifying
Bear water the water supply of the outlet of preheater.
It is proposed by the invention based on groove type solar gas Combined loop distribution formula electricity generation system and method, gas turbine
Chief component of the subsystem as output work, exhaust (steam after acting) are mainly hot as waste heat boiler subsystem
Source is used for heat-setting water, promotes the acting ability of vapor (saturated vapor)；Waste heat boiler subsystem uses water as circulation
Working medium, reduce gas turbine subsystem because delivery temperature it is excessive caused by waste heat loss；Groove type solar collection thermal sub-system conduct
It is (full to improve vapor in waste heat boiler for heating the part water supply for condensing water preheater outlet in waste heat boiler for auxiliary thermal source
And steam) acting ability, improve the acting ability of combined cycle system.And slot type is selected too according to the strong, weak of solar energy
Sun can collect the mode of superheated steam access waste heat boiler in thermal sub-system.
Using the part water supply of groove type solar collection thermal sub-system heating waste heat boiler subsystem, waste heat boiler is increased
The steam output power of system, and gas turbine engine systems fuel consumption is reduced, it is energy saving, pollutant emission is reduced, and
Improve the economy of combined cycle.It makes full use of solar energy and combines Gas-steam Combined Cycle, more than solar energy and system
Heat carries out cascade utilization, improves the efficiency of combined cycle.
Detailed description of the invention
Fig. 1 is the schematic diagram of the invention based on groove type solar gas Combined loop distribution formula electricity generation system.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
As shown in Figure 1, including groove type solar thermal-arrest based on groove type solar gas Combined loop distribution formula electricity generation system
Subsystem, gas turbine subsystem, waste heat boiler subsystem and steam turbine subsystem.Wherein: groove type solar collection thermal sub-system
It improves water in waste heat boiler for heating the part water supply for condensing water preheater outlet in waste heat boiler as auxiliary thermal source and steams
The acting ability of gas；Chief component of the gas turbine subsystem as output work, exhaust are used as waste heat boiler subsystem
Main heating source is used for heat-setting water；Waste heat boiler subsystem utilizes solar energy and combustion engine exhaust heat, promotes combined cycle system
The efficiency of system, reduce because gas turbine subsystem because delivery temperature it is excessive caused by waste heat loss.
Groove type solar collection thermal sub-system includes groove type solar reflector 10, thermal-collecting tube 11, temperature detect switch (TDS) 25, heat storage can
28 and adjustable water pump 26, wherein thermal-collecting tube 11 absorbs the solar energy from groove type solar reflector 10, and heating passes through itself
Internal device of working medium enters back into temperature detect switch (TDS) 25 and carries out steam flow selection, when groove type solar caloric receptivity fills to superheated steam
High pressure cylinder 22 is entered back into through the overheat of high-pressure superheater 19 after the superheated steam is mixed with 17 outlet vapor of HP steam drum when sufficient to do work；
When groove type solar caloric receptivity it is smaller when the superheated steam mixed with middle 13 outlet vapor of pressure drum after pass through in press superheater 14 add
Heat enters reheater 20 after mixing again with 22 steam discharge of high pressure cylinder and further heats.
Gas turbine subsystem includes compressor 1, combustion chamber 2 and combustion gas turbine 3, wherein compressor 1 compress air into
Enter combustion chamber 2 and fuel is mixed and burned, the gas of resulting high temperature and pressure enters combustion gas turbine 3 and generator 4 is driven to generate electricity, row
Gas enters waste heat boiler and carries out heat recovery.
Waste heat boiler subsystem includes condensation water preheater 5, current divider 27, middle water pump 25, high-pressure hydraulic pump 15, low-pressure steam
Wrap 6, low pressure evaporator 7, low-pressure superheater 9, low pressure (LP) cylinder 24, middle pressure economizer 8, middle pressure drum 13, middle pressure evaporator 12, middle pressure
Superheater 14, reheater 20, intermediate pressure cylinder 23, high-pressure economizer 16, HP steam drum 17, high pressure evaporator 18, high-pressure superheater 19,
High pressure cylinder 22, generator 4 and condenser 21, wherein condensed water enters current divider 27 after condensation water preheater 5 preheats, all the way
Converge after the selection of temperature control selector 25 with other steam after into the heating of thermal-collecting tube 11 of groove type solar thermal-arrest subsystem；All the way
Into low-pressure drum 6 and low pressure evaporator 7, saturated vapor out enters after low-pressure superheater 9 heats to be done into low pressure (LP) cylinder 24
Function；Economizer 8 is pressed in inflow after water pump 25 boosts in entering all the way, enters back into middle pressure drum 13 and middle pressure evaporator 12, out
The superheated steam drawn with groove type solar thermal-arrest subsystem of saturated vapor come converges, in after pressure superheater 14 with high pressure cylinder
22 steam discharges, which converge, enters back into 20 reheating of reheater, and reheated steam, which enters after intermediate pressure cylinder 23 does work, to be entered back into low pressure (LP) cylinder 24 and continue to do
Function；Enter after high-pressure hydraulic pump 15 boosts all the way and flow into high-pressure economizer 16, enters back into HP steam drum 17 and high pressure evaporator 18, out
The superheated steam that the saturated vapor come is drawn with groove type solar thermal-arrest subsystem converges, and overheats into high-pressure superheater 29, then into
Enter the acting of high pressure cylinder 22；Steam after low pressure (LP) cylinder 24 does work continues subsequent cycle after the condensation of condenser 21.
In Fig. 1, thermal-collecting tube 11 is used to heat the part water of the outflow of current divider 27, its temperature is enable to reach in solar energy abundance
To HP steam drum 17 export saturated-steam temperature, when solar energy is less steam temperature can reach in pressure drum 13 outlet saturation
Vapor (steam) temperature；Adjustable 26 import of water pump connects separator 27, and outlet is directly entered thermal-collecting tube 11；Temperature detect switch (TDS) 25 will be to thermal-arrest
The superheated steam flow direction that pipe 11 flows out is selected, and when groove type solar caloric receptivity is big, the superheated steam goes out with HP steam drum 17
It enters back into high pressure cylinder 22 through the overheat of high-pressure superheater 19 after mouth steam mixing to do work, the mistake when groove type solar caloric receptivity is smaller
Reheating after hot steam presses the overheat of superheater 14 to mix again with 22 steam discharge of high pressure cylinder after mixing with middle 13 outlet vapor of pressure drum in；
Current divider 27 will condense 5 moisture content of outlet of water preheater into four tunnels, flow through groove type solar collection thermal sub-system, another three tunnels difference all the way
Flow through waste heat boiler subsystem low-pressure section, intermediate pressure section and high-pressure section.
Based on the schematic diagram shown in FIG. 1 based on groove type solar gas Combined loop distribution formula electricity generation system, the present invention
A kind of method based on groove type solar gas Combined loop distribution formula electricity generation system is additionally provided, this method comprises: condensed water
The water that preheater 5 comes out enters groove type solar thermal-arrest subsystem after the boosting of adjustable water pump 26 through 27 rear portion water of current divider
Thermal-collecting tube 11 in system absorbs heat；Adjustable water pump 26 is increased to high-pressure according to selection when solar energy power or middle pressure is pressed
Power；Thermal-collecting tube 11 absorbs the solar energy from groove type solar reflector 10, and heating is extremely overheated by the device of working medium of therein
Steam；Superheated steam after the heating of thermal-collecting tube 11 is selected through temperature control selector 25, should when groove type solar caloric receptivity is big
Superheated steam enters back into high pressure cylinder 22 through the overheat of high-pressure superheater 19 after mixing with 17 outlet vapor of HP steam drum and does work, and works as slot type
When solar energy heat absorbing amount is smaller the superheated steam passed through after being mixed with middle 13 outlet vapor of pressure drum in pressure superheater 14 overheat again with
Reheating after the mixing of 22 steam discharge of high pressure cylinder finally enters the acting of intermediate pressure cylinder 23.
Fig. 1 is the schematic diagram based on groove type solar gas Combined loop distribution formula electricity generation system, which includes calming the anger
Machine 1, combustion chamber 2, combustion gas turbine 3, generator 4, condensation water preheater 5, low-pressure drum 6, low pressure evaporator 7, middle pressure economizer
8, low-pressure superheater 9, groove type solar reflector 10, thermal-collecting tube 11, middle pressure evaporator 12, middle pressure drum 13, middle pressure superheater
14, high-pressure hydraulic pump 15, high-pressure economizer 16, HP steam drum 17, high pressure evaporator 18, high-pressure superheater 19, reheater 20, condensation
Device 21, high pressure cylinder 22, intermediate pressure cylinder 23, low pressure (LP) cylinder 24, temperature detect switch (TDS) 25 and adjustable water pump 26, current divider 27, heat storage can 28.Tool
Body process are as follows: the air that compressor 1 compresses enters combustion chamber 2 and fuel is mixed and burned, and the gas of resulting high temperature and pressure enters
Combustion gas turbine 3 simultaneously drives generator 4 to generate electricity, and exhaust enters waste heat boiler and carries out heat recovery；Groove type solar collection heater
Thermal-collecting tube 11 absorbs the solar energy from groove type solar reflector 10 in system, and heating is by the working-medium water of therein to mistake
Enter heat storage can 28 after hot steam, enters back into temperature detect switch (TDS) and carry out steam flow selection, the overheat when groove type solar abundance
Steam enters back into high pressure cylinder 22 through the overheat of high-pressure superheater 19 after mixing with 17 outlet vapor of HP steam drum and does work；When the slot type sun
Can caloric receptivity it is smaller when the superheated steam mixed with middle 13 outlet vapor of pressure drum after pass through in press superheater 14 heat again with high pressure
Enter reheater 20 after the mixing of 22 steam discharge of cylinder further to heat；Condensed water enters current divider 27 after condensation water preheater 5 preheats,
Enter after the thermal-collecting tube 11 in groove type solar collection thermal sub-system heats after the boosting of adjustable water pump 26 all the way and is selected through temperature control
Device 25 converges after selecting with other steam；Enter low-pressure drum 6 and low pressure evaporator 7 all the way, saturated vapor out enters low
Enter low pressure (LP) cylinder 24 after pressing superheater 9 to heat to do work；Pressure economizer 8 in inflow after water pump 25 boosts in entering all the way, then into
Enter low-pressure drum 13 and low pressure evaporator 12, the superheated steam that saturated vapor and groove type solar thermal-arrest subsystem out is drawn converges
It closes, enters 20 reheating of reheater after converging after pressure superheater 14 with 22 steam discharge of high pressure cylinder in, reheated steam enters intermediate pressure cylinder
Low pressure (LP) cylinder 24 is mixed into low-pressure superheated steam again after 23 actings to continue to do work；Enter after high-pressure hydraulic pump 15 boosts all the way and flows into
High-pressure economizer 16 enters back into HP steam drum 17 and high pressure evaporator 18, saturated vapor and groove type solar collection heater out
The superheated steam that system draws converges, and overheats into high-pressure superheater 19, enters back into the acting of high pressure cylinder 22；After low pressure (LP) cylinder 24 does work
Steam continues subsequent cycle after the condensation of condenser 21.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Mind and range.
Claims (8)
1. one kind is based on groove type solar gas Combined loop distribution formula electricity generation system, characterized by comprising: groove type solar
Collect thermal sub-system, waste heat boiler subsystem, gas turbine subsystem and steam turbine subsystem；The groove type solar thermal-arrest subsystem
Pass through piping connection between system, waste heat boiler subsystem, gas turbine subsystem and steam turbine subsystem；
The groove type solar collection thermal sub-system includes: groove type solar reflector, thermal-collecting tube, temperature detect switch (TDS), heat storage can and can
Pressure regulation water pump；Water supply as working-medium water is transported to the entrance of the thermal-collecting tube, water supply by pipeline by the adjustable water pump
The solar energy from groove type solar reflector is absorbed in the thermal-collecting tube, the groove type solar reflector will be by described
Water supply inside thermal-collecting tube is heated to superheated steam, and superheated steam enters the heat storage can through piping and stored, the storage
Superheated steam in hot tank is pipelined to the entrance of the temperature detect switch (TDS), and the temperature detect switch (TDS) carries out superheated steam flow direction
Selection, the saturation of superheated steam and high pressure gas bag outlet in the heat storage can described in the egress selection of the temperature detect switch (TDS)
Steam carries out mixing or is mixed with the saturated vapor of medium pressure gas bag outlet；
The waste heat boiler subsystem includes: condensation water preheater, current divider, middle water pump, high-pressure hydraulic pump, low-pressure drum, low
Evaporator, low-pressure superheater, middle pressure economizer, middle pressure drum, middle pressure evaporator, middle pressure superheater, reheater, high pressure is pressed to save coal
Device, HP steam drum, high pressure evaporator, high-pressure superheater and condenser；Steam after acting is condensed into cold by the condenser
Condensate, condensed water enter after the condensation water preheater preheating entrance for entering the current divider by pipeline, institute by pipeline
Multichannel will be divided into water supply therein by stating current divider, and the first via enters the groove type solar collection heater by adjustable water pump
Saturated vapor or institute in the thermal-collecting tube of system, after heating through heat storage can, temperature switch selection with the outlet of the high pressure gas bag
The saturated vapor of outlet of packet of calming the anger in stating converges；Second tunnel enters the low-pressure drum and the low pressure evaporator by pipeline
Entrance, the saturated vapor of the outlet of the low-pressure drum enters the entrance of the low-pressure superheater by pipeline, by described
The low pressure (LP) cylinder is entered by pipeline after low-pressure superheater heating and drives generator acting, the steam after acting is from described low
The outlet of cylinder pressure enters the condenser by pipeline；Third road enters medium pressure water pump by pipeline and boosts, boosting
Medium pressure economizer is flowed into from the outlet of medium pressure water pump by pipeline afterwards, passes through pipe from the outlet of medium pressure economizer
Road enters the entrance of medium pressure drum and medium pressure evaporator, and the saturated vapor of the outlet of medium pressure drum passes through pipeline
The superheated steam drawn with the temperature switch of the groove type solar collection thermal sub-system converges, into medium pressure superheater
Entrance, converged after the heating of medium pressure superheater by the steam after the acting of the outlet discharge of pipeline and the high pressure cylinder
It is combined into the reheater and carries out reheating, reheated steam enters medium pressure cylinder by pipeline from the outlet of reheater and drives institute
Generator acting is stated, outlet of the steam through medium pressure cylinder after acting enters back into the low pressure (LP) cylinder by pipeline and continue to drive institute
State generator acting；4th tunnel enters the high-pressure hydraulic pump by pipeline and boosts, from the outlet of the high-pressure pump after boosting
The high-pressure economizer is flowed by pipeline, enters the HP steam drum and the height from the outlet of high-pressure economizer by pipeline
The entrance of evaporator is pressed, the saturated vapor of the outlet of the HP steam drum passes through pipeline and the groove type solar collection thermal sub-system
The temperature switch draw superheated steam converge, into the entrance of the high-pressure superheater, by the high-pressure superheater
The high pressure cylinder is entered by pipeline after heating and drives the generator acting, outlet of the steam through the high pressure cylinder after acting
The reheater, which is entered back into, by pipeline carries out reheating；
The gas turbine subsystem includes: compressor, combustion chamber, combustion gas turbine and generator；The compressor is by compression
Air inputs the combustion chamber by pipeline and fuel is mixed and burned, and the gas of high temperature and pressure passes through from the outlet of the combustion chamber
Pipeline enters the combustion gas turbine and drives electrical power generators, and the exhaust of the outlet of the combustion gas turbine enters waste heat boiler subsystem
Carry out heat recovery；
The steam turbine subsystem includes: low pressure (LP) cylinder, intermediate pressure cylinder, high pressure cylinder and generator.
2. according to claim 1 be based on groove type solar gas Combined loop distribution formula electricity generation system, it is characterised in that:
The groove type solar collection thermal sub-system is as auxiliary thermal source, for heating the condensed water in the waste heat boiler subsystem
The part water supply of the outlet of preheater improves the acting ability of saturated vapor in the waste heat boiler subsystem；The combustion gas wheel
The exhaust of loom system provides heat source for the waste heat boiler subsystem, for heating water supply.
3. according to claim 2 be based on groove type solar gas Combined loop distribution formula electricity generation system, it is characterised in that:
The thermal-collecting tube is used to heat the water supply all the way of the current divider, and when absorbing solar energy abundance, superheat steam temperature reaches described
The temperature of the outlet saturated vapor of HP steam drum, in solar absorption deficiency, superheat steam temperature reaches medium pressure drum
Export the temperature of saturated vapor.
4. according to claim 3 be based on groove type solar gas Combined loop distribution formula electricity generation system, it is characterised in that:
The pressure-adjustable pump entrance connects the outlet of the separator, and the outlet of the adjustable water pump is directly connected to the thermal-collecting tube
Entrance；The adjustable water pump is strong, weak according to the energy of the sun to be selected into groove type solar collection thermal sub-system to hydraulic pressure
Power.
5. according to claim 4 be based on groove type solar gas Combined loop distribution formula electricity generation system, it is characterised in that:
The temperature switch selects the flow direction for the superheated steam being stored in the heat storage can that the thermal-collecting tube flows out, and works as institute
When stating groove type solar collection thermal sub-system caloric receptivity abundance, the superheated steam of the outlet of the heat collector and the HP steam drum
The saturated vapor of outlet mixes；When the groove type solar caloric receptivity it is less when, the superheated steam of the outlet of the heat collector with
The saturated vapor of the outlet of medium pressure drum mixes.
6. according to claim 5 be based on groove type solar gas Combined loop distribution formula electricity generation system, it is characterised in that:
The water supply of the outlet of the condensation water preheater is divided into four tunnels by the current divider.
7. it is a kind of using one of the claims 1-6 based on groove type solar gas Combined loop distribution formula electricity generation system
Operation method, it is characterised in that include the following steps:
Step 1, it is described condensation water preheater outlet water supply through the current divider shunting after wherein water supply is transported to all the way
The adjustable water pump enters the thermal-arrest in the groove type solar collection thermal sub-system after the adjustable water pump boosting
Pipe, the thermal-collecting tube absorbs the solar energy from the groove type solar reflector, and water supply is heated into superheated steam；
Step 2, the adjustable water pump according to the groove type solar collection thermal sub-system absorb solar energy it is strong, weak come select into
Enter the feed pressure of the groove type solar collection thermal sub-system；
Step 3, it is stored in the heat storage can by the superheated steam that the thermal-collecting tube heats；
Step 4, the superheated steam is selected to access the waste heat boiler by the temperature switch according to the temperature of superheated steam
The mode of subsystem, when the groove type solar collection thermal sub-system absorbs solar energy abundance, described in the temperature switch selection
Superheated steam is mixed with the saturated vapor of the outlet of the HP steam drum, is heated by the high-pressure superheater and is entered the high pressure
Cylinder acting；When groove type solar collection thermal sub-system suction solar energy is smaller, the temperature switch selects the superheated steam
It is mixed with the saturated vapor of the outlet of medium pressure drum, after heating by medium pressure superheater and doing work with the high pressure cylinder
Steam mixing after enter the reheater further heat, finally enter medium pressure cylinder acting.
8. the operation method according to claim 7 based on groove type solar gas Combined loop distribution formula electricity generation system,
Be characterized in that: the thermal-collecting tube absorbs the heat from groove type solar reflector, and heating a part is pre- from the condensed water
The water supply of the outlet of hot device.
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| CN112879161A (en) * | 2021-01-29 | 2021-06-01 | 华北电力大学 | Temperature control heating type solar and gas combined cycle power generation system and method thereof |
| CN112922686A (en) * | 2021-01-21 | 2021-06-08 | 青岛科技大学 | Gas-steam combined cycle composite power generation system integrating solar energy and MCFC |
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