CN107401457A - It is a kind of to utilize the energy-efficient air cooling system for cooling down CCPP unit air intake air - Google Patents
It is a kind of to utilize the energy-efficient air cooling system for cooling down CCPP unit air intake air Download PDFInfo
- Publication number
- CN107401457A CN107401457A CN201610327128.8A CN201610327128A CN107401457A CN 107401457 A CN107401457 A CN 107401457A CN 201610327128 A CN201610327128 A CN 201610327128A CN 107401457 A CN107401457 A CN 107401457A
- Authority
- CN
- China
- Prior art keywords
- air
- ccpp
- flue
- gas
- component
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 29
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003546 flue gas Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005057 refrigeration Methods 0.000 claims abstract description 12
- RSNHXDVSISOZOB-UHFFFAOYSA-N lithium nickel Chemical compound [Li].[Ni] RSNHXDVSISOZOB-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000002918 waste heat Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000003517 fume Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 2
- 235000019504 cigarettes Nutrition 0.000 claims 2
- 239000000567 combustion gas Substances 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000026676 system process Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Classifications
-
- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
- F02C7/141—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid
- F02C7/143—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid before or between the compressor stages
-
- 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
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/72—Application in combination with a steam turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/213—Heat transfer, e.g. cooling by the provision of a heat exchanger within the cooling circuit
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention provides a kind of efficiency power generation circulatory system, for improving the generating efficiency and generating capacity of CCPP units (gas combustion-gas vapor combined cycle unit), the energy-efficient air cooling system includes flue gas heat-exchange unit, nickel lithium refrigeration unit or additional refrigerating plant, aerial cooler, air-introduced machine and auxiliary flue (depending on actual concrete condition).Flue gas heat-exchange unit is designed in exhaust opening, flue gas heat is passed into BrLi chiller, changes into low-temperature cold water, goes to cool down the air intake of CCPP units.The present invention controls CCPP unit EATs, improves the generating efficiency and generating capacity of CCPP units when spring, summer and high autumn air temperature by designing flue gas heat-exchange unit, BrLi chiller or additional refrigerating plant and aerial cooler.
Description
Technical field
It is gas-steam combined circulating generation unit field the present invention relates to power system CCPP units, especially
It is related to one kind using fume afterheat Refrigeration Technique or additional refrigerating plant cooling CCPP unit air intake air
Energy-efficient air cooling system.
Background technology
The gas-steam combined generating set of lower heat of combustion blast furnace gas is in iron and steel enterprise using not
It is more, belong to emerging energy utilization device.Its general principle is：As caused by steel plant blast furnace gas and
Coke-stove gas is sent to gas turbine (8) combustion chamber through gas compression pump (13) and compressed with compressor (9)
Air mixed combustion afterwards, caused a large amount of heat smokes do work in the gas turbine first, convert heat energy
For mechanical energy, generator (12) is driven to rotate and produce electric energy.The flue gas for doing work(enters waste heat boiler
(7) water in boiler is produced the steam of two kinds of parameters and be sent into steam turbine (14) acting again, from
And drive electrical power generators (15).Waste heat boiler (7) is exchanged low-temperature flue gas by chimney by air water
(6) discharge.It is this to be generated electricity by combustion gas wheel TRT with vapor wheel generating set into gas-steam combined
Unit, abbreviation CCPP units.The application of CCPP units has a problem that at present, is exactly its system air
It is generally 15 DEG C or so that operating mode is completely sent out in design, when environment temperature is higher than design temperature, CCPP units
Generated output is by very big restriction, by taking certain CCPP project as an example, its intake air temperature and generated output
Relation is as shown in the table：(narration)
| Sequence number | Atmospheric temperature (DEG C) | CCPP maximum generations contribute (MW) |
| 1 | ＜ 15 | 28.5 |
| 2 | 15 | 28.5 |
| 3 | 22 | 26 |
| 4 | 32 | 24 |
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides one kind to utilize fume afterheat Refrigeration Technique or outer
The energy-efficient air cooling system of device for cooling cooling CCPP unit air intake air is added, by compressed air
Machine intake air is effectively cooled down, and reaches CCPP unit air design temperature, and then make CCPP units
Reach generating EIAJ.
The technical scheme is that：One kind is cooled down using fume afterheat Refrigeration Technique or additional refrigerating plant
The energy-efficient air cooling system of CCPP unit air intake air, it is (or outer that the system includes BrLi chiller
Add device for cooling), aerial cooler, flue gas heat-exchange unit, air-introduced machine, flue, control device, chimney,
Waste heat boiler, gas turbine, air compressor, reduction box, gas turbine powered generator and component, coal gas
Compressor, steam turbine and steam turbine generator and component.Wherein, BrLi chiller is (or outer
Add device for cooling), aerial cooler, flue gas heat-exchange unit be the nucleus equipment of the present invention, air-introduced machine and group
Part and attached flue are optional equipment.
The present invention core technology be：Flue gas heat-exchange unit is designed using in CCPP units exhaust opening, temperature
The higher smoke exhaust heat heat exchange of degree recycles BrLi chiller into temperature higher steam or hot water
The higher steam of temperature or hot water are converted into the relatively low cold water of temperature, then CCPP is cooled down with low-temperature cold water
Unit air intake, or using external refrigerating plant cooling CCPP unit air intakes, air intake air themperature is dropped
To the temperature of the full operating mode of CCPP unit designs, air compressor acting is entered back into, completes normal CCPP machines
Group mode of operation.
The beneficial effects of the invention are as follows：
(1) CCPP EATs are reduced and improve generatings of the CCPP when EAT is higher than design temperature
Ability and generating efficiency.
(2) it is used as refrigeration source by the use of hot water caused by CCPP smoke discharging residual heats or steam, it may not be necessary to outer
Add device for cooling.
Brief description of the drawings
Fig. 1 is the CCPP process charts of prior art.
Fig. 2 cools down CCPP units for the present invention using fume afterheat Refrigeration Technique or additional refrigerating plant
The energy-efficient air cooling system process chart of air intake air.
In figure：
1. BrLi chiller, 2. aerial coolers, 3. flue gas heat-exchange units, 4. air-introduced machines and component,
5. flue, 6. chimneys, 7. waste heat boilers, 8. gas turbines, 9. air compressors, 10 air filtrations
Device, 11. reduction boxes, 12. gas turbine powered generators and component, 13. gas compressors, 14. vapor wheels
Machine, steam turbine generator and component 15.
Embodiment
Technical solution of the present invention is further elaborated with reference to the accompanying drawings and detailed description.
It is illustrated in figure 2 the CCPP efficient energy-saving air cooling system process charts of the present invention.The present invention one
Kind of CCPP efficient energy-saving air cooling systems, the system include nickel lithium refrigeration unit 1, aerial cooler 2,
Flue gas heat-exchange unit 3, air-introduced machine 4, flue 5, control device 14, chimney 6, waste heat boiler 7, combustion gas
Turbine 8, air compressor 9, reduction box 11, generator and component 12 and gas compression pump 13.
The present invention operation principle be：Blast furnace gas and coke-stove gas are through gas compression as caused by steel plant
Machine 13 is sent to the air mixed combustion after the combustion chamber of gas turbine 8 is compressed with air compressor 9, produces
A large amount of heat smokes do work in the gas turbine first, heat energy is converted into mechanical energy, drive generator 12
Rotate and produce electric energy.The flue gas for doing work(enters waste heat boiler 7, the water in boiler is produced two seed ginsengs
Several steam is sent into steam turbine (14) acting again, so as to drive steam turbine generator to generate electricity.Waste heat
Boiler 7 is exchanged by air water and discharges the greenhouse cooling rear portion of flue gas by chimney 6, in addition a big portion
Divide and air water exchange is carried out by flue gas heat-exchange unit 3, the vapours cemented out or hot water enter lithium bromide system
Cold group 1, vapours or hot water are replaced into the cooling of cold water (or additional refrigerating plant) air inlet
Device 2, the air of the import of air compressor 9 is cooled to less than or equal to CCPP unit design air themperatures,
Into air compressor 9, then with blast furnace gas and coke-stove gas combustion is not mixed in the combustion chamber of gas turbine 8
Burn, carry out next cycle acting.This completes one kind of the present invention using fume afterheat Refrigeration Technique or
One Period Process of the energy-efficient air cooling system of additional refrigerating plant cooling CCPP unit air intake air.
Claims (2)
1. one kind is empty using fume afterheat Refrigeration Technique or additional refrigerating plant cooling CCPP units air intake
The energy-efficient air cooling system of gas, the system include nickel lithium refrigeration unit (1), aerial cooler (2),
Flue gas heat-exchange unit (3), air-introduced machine and component (4), flue (5), control device (14), cigarette
Chimney (6), waste heat boiler (7), gas turbine (8), air compressor (9), reduction box (11),
Gas turbine powered generator and component (12), gas compression pump (13), steam turbine (14) and steam
Turbine generator and component (15)；Wherein, nickel lithium refrigeration unit (1) side is changed with flue gas
Hot device (3) connection, opposite side are connected with aerial cooler (2), the air-introduced machine and component (4)
Air intake vent is connected with flue gas heat-exchange unit (3), and air outlet is connected with flue (5), is passed through flue (5)
Into chimney (6), aerial cooler (2) side is connected with nickel lithium refrigeration unit (1),
Opposite side is connected with air cleaner (10), and air passes through aerial cooler (2), air cleaner
(10) enter compressor (9), the waste heat boiler (7), gas turbine (8), reduction box (11),
Gas turbine powered generator and component (12), gas compression pump (13), steam turbine (14) and steam
Turbine generator and component (15) are the normal component of CCPP units.Wherein, air-introduced machine (4) and flue
(5) choose whether to set depending on flue gas heat-exchange unit (3) flue gas resistance.
2. CCPP efficient energy-savings air cooling system according to claim 1, it is characterised in that former
Increase the water type BrLi chiller (1), aerial cooler (2), cigarette in CCPP machine set systems
Gas heat exchanger (3), air-introduced machine and component (4), flue (5), it is empty to reduce compressor (9) import
Temperature degree completely sends out working temperature to CCPP air designs, and then improves CCPP generating capacities, reaches it most
Big generated output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610327128.8A CN107401457A (en) | 2016-05-18 | 2016-05-18 | It is a kind of to utilize the energy-efficient air cooling system for cooling down CCPP unit air intake air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610327128.8A CN107401457A (en) | 2016-05-18 | 2016-05-18 | It is a kind of to utilize the energy-efficient air cooling system for cooling down CCPP unit air intake air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107401457A true CN107401457A (en) | 2017-11-28 |
Family
ID=60393973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610327128.8A Pending CN107401457A (en) | 2016-05-18 | 2016-05-18 | It is a kind of to utilize the energy-efficient air cooling system for cooling down CCPP unit air intake air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107401457A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708835A (en) * | 2018-05-15 | 2018-10-26 | 华北电力大学 | A kind of novel solar complementation association circulating power generation system of cooling burning machine inlet air |
| CN113669157A (en) * | 2021-06-30 | 2021-11-19 | 华电国际电力股份有限公司深圳公司 | Gas steam power generation system combined with wind power and power generation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10331610A (en) * | 1997-05-30 | 1998-12-15 | Toshiba Corp | Combined cycle power generating system |
| CN203532055U (en) * | 2013-08-26 | 2014-04-09 | 陈戈 | Gas-steam combined circulation type air inlet dehumidifying and cooling system |
| WO2015058462A1 (en) * | 2013-10-24 | 2015-04-30 | 温海泉 | Gas turbine intake air cooling device using waste heat as driving force |
| CN104675521A (en) * | 2015-02-26 | 2015-06-03 | 天津大学 | Novel gas-steam combined cycle cooling, heating and power generation system |
| CN104912669A (en) * | 2015-06-25 | 2015-09-16 | 上海电气燃气轮机有限公司 | Fed air conditioning system of gas-steam combined cycle power plant and use method of fed air conditioning system |
| CN105275616A (en) * | 2015-10-27 | 2016-01-27 | 首钢京唐钢铁联合有限责任公司 | Combined heat, water and power generation system |
| CN205578122U (en) * | 2016-05-18 | 2016-09-14 | 北京亿玮坤节能科技有限公司 | Utilize energy -efficient air cooling system of cooling CCPP unit air inlet air |
-
2016
- 2016-05-18 CN CN201610327128.8A patent/CN107401457A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10331610A (en) * | 1997-05-30 | 1998-12-15 | Toshiba Corp | Combined cycle power generating system |
| CN203532055U (en) * | 2013-08-26 | 2014-04-09 | 陈戈 | Gas-steam combined circulation type air inlet dehumidifying and cooling system |
| WO2015058462A1 (en) * | 2013-10-24 | 2015-04-30 | 温海泉 | Gas turbine intake air cooling device using waste heat as driving force |
| CN104675521A (en) * | 2015-02-26 | 2015-06-03 | 天津大学 | Novel gas-steam combined cycle cooling, heating and power generation system |
| CN104912669A (en) * | 2015-06-25 | 2015-09-16 | 上海电气燃气轮机有限公司 | Fed air conditioning system of gas-steam combined cycle power plant and use method of fed air conditioning system |
| CN105275616A (en) * | 2015-10-27 | 2016-01-27 | 首钢京唐钢铁联合有限责任公司 | Combined heat, water and power generation system |
| CN205578122U (en) * | 2016-05-18 | 2016-09-14 | 北京亿玮坤节能科技有限公司 | Utilize energy -efficient air cooling system of cooling CCPP unit air inlet air |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708835A (en) * | 2018-05-15 | 2018-10-26 | 华北电力大学 | A kind of novel solar complementation association circulating power generation system of cooling burning machine inlet air |
| CN113669157A (en) * | 2021-06-30 | 2021-11-19 | 华电国际电力股份有限公司深圳公司 | Gas steam power generation system combined with wind power and power generation method thereof |
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