CN106050424A - Efficient intake air cooling and heating system for gas turbine - Google Patents
Efficient intake air cooling and heating system for gas turbine Download PDFInfo
- Publication number
- CN106050424A CN106050424A CN201610543369.6A CN201610543369A CN106050424A CN 106050424 A CN106050424 A CN 106050424A CN 201610543369 A CN201610543369 A CN 201610543369A CN 106050424 A CN106050424 A CN 106050424A
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- CN
- China
- Prior art keywords
- water
- hot water
- gas turbine
- heating system
- waste heat
- 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.)
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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
- F02C7/08—Heating air supply before combustion, e.g. by exhaust gases
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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
- 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
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention relates to an efficient intake air cooling and heating system for a gas turbine. The efficient intake air cooling and heating system for the gas turbine comprises the gas turbine (1), a waste heat boiler (2) and a steam turbine (3). A gas outlet of the gas turbine (1) is connected with the waste heat boiler (2). The steam turbine (3) is connected to the waste heat boiler (2). The air inlet end of the gas turbine (1) is provided with a surface type air heat exchanger (4). A hot water generator (5) is arranged in the waste heat boiler (2). The surface type air heat exchanger (4) is connected with the hot water generator (5). The efficient intake air cooling and heating system for the gas turbine further comprises a hot water type lithium bromide refrigerator (6), wherein one end of the hot water type lithium bromide refrigerator (6) is connected with the surface type air heat exchanger (4), and the other end of the hot water type lithium bromide refrigerator (6) is connected with the hot water generator (5). The efficient intake air cooling and heating system for the gas turbine achieves heating of cold air and cooling of hot air through the surface type air heat exchanger, and therefore the purpose of improving the overall heat efficiency of a combined cycle unit is achieved.
Description
Technical field
The present invention relates to a kind of energy technology field, specifically, be a kind of efficiently combustion engine inlet gas cooling heating system.
Background technology
Gas turbine operation performance is the most affected by the ambient temperature and changes, and belongs to constant volume type and moves
Power machinery, when ambient temperature raises, the density of air reduces, and specific volume raises, and the air capacity that compressor sucks reduces therewith,
This makes the generated output of gas turbine and combined cycle thereof reduce with the rising of ambient temperature.This will bring at some special
Under different run duration, such as summer condition, winter condition or partial load condition, unit performance is unmatched with user's request
Problem.Such as, in the high electrical load requirement stage of summer peak meeting, unit can be exerted oneself due to higher ambient temperature in summer on the contrary
The most on the low side, it is impossible to meet the burden requirement of electrical network, now need to reduce the intake air temperature of gas turbine.Or, unit is in the winter
During season operating mode operation, due to the ambient temperature that winter is relatively low, increase considerably though unit is exerted oneself at full capacity, but unit efficiency phase
Should reduce.Now can realize unit performance match with user's request by heating or the air of cooling compressor inlet.
Summary of the invention
It is an object of the invention to provide a kind of efficient combustion engine air inlet that can improve Combined Cycle Unit overall thermal efficiency
Cooling heating system.
The present invention uses following technological means to realize: a kind of efficiently combustion engine inlet gas cooling heating system, including gas turbine,
Waste heat boiler and steam turbine, the gas outlet of described gas turbine is connected with waste heat boiler, and described steam turbine is connected to waste heat
Boiler, the inlet end of described gas turbine is provided with surface-type air heat exchanger, is provided with hot water and occurs in described waste heat boiler
Device, described surface-type air heat exchanger is connected with hot water generator；
Also include that hot-water type bromine cooling machine, described hot-water type bromine cooling machine one end are connected with surface-type air heat exchanger, another
End is connected to hot water generator.
In the present invention, waste heat boiler is provided with hot water generator, by the waste-heat of waste heat boiler afterbody water therein,
Thus the loss of waste heat is preferably minimized.
As preferably, also include cooling tower, be connected with hot-water type bromine cooling machine by recirculating cooling water system.
As preferably, also include heat medium water return water system, be connected to hot water generator by hot water regulation system, will use
The water crossed is circulated water and uses, and continues back in hot water generator.
As preferably, also including heat medium water water system, described surface-type air heat exchanger supplies water system by heat medium water
System is connected with hot water generator, in order to realize the water supply from hot water generator.
As preferably, being provided with heat exchange coil in described waste heat boiler, described heat exchange coil is connected with steam turbine, its institute
The steam produced is for driving steam turbine.
The present invention compared with prior art, realizes cold air by surface-type air heat exchanger and heats, and hot-air cools down
Purpose, under the operating mode of oepration at full load in summer, use charge air-cooling system, MAF can be effectively increased, increase
Add exerting oneself of combustion engine；When unit operation in sub-load when, can by heat compressor intake air temperature, it is achieved combine and follow
The inconvenience of ring gross capability, but the special operational mode that combustion engine rate of load condensate rises, and the efficiency of combined cycle can be along with combustion engine rate of load condensate
Rising and improve, thus reach improve Combined Cycle Unit overall thermal efficiency purpose.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Wherein 1-gas turbine, 2-waste heat boiler, 3-steam turbine, 4-surface-type air heat exchanger, 5-hot water generator, 6-
Hot-water type bromine cooling machine, 7-cooling tower, 8-recirculating cooling water system, 9-heat medium water return water system, 10-heat exchange coil, 11-hot water is adjusted
Joint system, 12-heat medium water water system.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is described in further detail:
A kind of efficiently combustion engine inlet gas cooling heating system, including gas turbine 1, waste heat boiler 2 and steam turbine 3, combustion gas is taken turns
The gas outlet of machine 1 is connected with waste heat boiler 2, and steam turbine 3 is connected to waste heat boiler 2, and the inlet end of gas turbine 1 is provided with surface-type
Air heat exchanger 4, is provided with hot water generator 5 in waste heat boiler 2, surface-type air heat exchanger 4 is connected with hot water generator 5；Heat
Water type bromine cooling machine 6 one end is connected with surface-type air heat exchanger 4, and the other end is connected to hot water generator 5, and cooling tower 7 is by following
Ring cooling water system 8 is connected with hot-water type bromine cooling machine 6, and heat medium water return water system 9 is connected to hot water by hot water regulation system 11
Generator 5, is provided with heat exchange coil 10 in waste heat boiler 2, heat exchange coil 10 is connected with steam turbine 3, and steam produced by it is used for
Driving steam turbine 3.
Operation principle: combustion engine is under the operating mode of oepration at full load in summer, when needing the generated energy improving unit, starts cooling
System: hot water generator is arranged on waste heat boiler afterbody, utilizes the waste heat of flue gas to carry out the recirculated water in heating generator, generation
Hot water drives bromine cooling machine to freeze, and the chilled water of generation is re-fed into surface-type air heat exchanger, by cold for the air entering combustion engine
But, thus improve exerting oneself of combustion engine, be in the needs of bromine cooling machine refrigeration unit, further provided with cooling tower and cooling water circulation system
System.
When winter, Gas Generator Set was in part load condition, for improving the efficiency of unit, start inlet air heating system: heat
Water generator is arranged on waste heat boiler afterbody, utilizes the waste heat of flue gas to carry out the recirculated water in heating generator, and hot water passes through heating agent
Water supply system sends into surface-type air heat exchanger, will enter the air heating of combustion engine.
The present invention realizes cold air by surface-type air heat exchanger and heats, and the purpose of hot-air cooling is full in summer
Under the operating mode of load operation, use charge air-cooling system, MAF can be effectively increased, increase exerting oneself of combustion engine；When
Unit operation, can be by heating the intake air temperature of compressor, it is achieved the inconvenience of combined cycle gross capability sub-load when, but
The special operational mode that combustion engine rate of load condensate rises, and the efficiency of combined cycle can improve along with the rising of combustion engine rate of load condensate, from
And reach to improve the purpose of Combined Cycle Unit overall thermal efficiency.
Claims (5)
1. an efficient combustion engine inlet gas cooling heating system, including gas turbine (1), waste heat boiler (2) and steam turbine (3), institute
The gas outlet of the gas turbine (1) stated is connected with waste heat boiler (2), and described steam turbine (3) is connected to waste heat boiler (2), its
It is characterised by: the inlet end of described gas turbine (1) is provided with surface-type air heat exchanger (4), in described waste heat boiler (2)
Being provided with hot water generator (5), described surface-type air heat exchanger (4) is connected with hot water generator (5)；
Also include that hot-water type bromine cooling machine (6), described hot-water type bromine cooling machine (6) one end are connected with surface-type air heat exchanger (4),
The other end is connected to hot water generator (5).
2. efficiently combustion engine inlet gas cooling heating system as claimed in claim 1, it is characterised in that: also include cooling tower (7), logical
Cross recirculating cooling water system (8) to be connected with hot-water type bromine cooling machine (6).
3. efficiently combustion engine inlet gas cooling heating system as claimed in claim 2, it is characterised in that: also include heat medium water backwater system
System (9), is connected to hot water generator (5) by hot water regulation system (11).
4. efficiently combustion engine inlet gas cooling heating system as claimed in claim 2, it is characterised in that: also include that heat medium water is for water system
System (12), described surface-type air heat exchanger (4) is connected with hot water generator (5) by heat medium water water system (12), uses
To realize supplying water.
5. efficiently combustion engine inlet gas cooling heating system as claimed in claim 3, it is characterised in that: described waste heat boiler (2)
In be provided with heat exchange coil (10), described heat exchange coil (10) is connected with steam turbine (3), and steam produced by it is used for driving vapour
Turbine (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610543369.6A CN106050424A (en) | 2016-07-11 | 2016-07-11 | Efficient intake air cooling and heating system for gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610543369.6A CN106050424A (en) | 2016-07-11 | 2016-07-11 | Efficient intake air cooling and heating system for gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106050424A true CN106050424A (en) | 2016-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610543369.6A Pending CN106050424A (en) | 2016-07-11 | 2016-07-11 | Efficient intake air cooling and heating system for gas turbine |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905897A (en) * | 2017-11-17 | 2018-04-13 | 中国大唐集团科学技术研究院有限公司火力发电技术研究所 | Gas turbine cycle flue gas waste heat recovery and inlet gas cooling association system and method |
| CN111322786A (en) * | 2020-03-11 | 2020-06-23 | 中国能源建设集团广东省电力设计研究院有限公司 | Temperature adjusting system based on combined cycle generator set and control method |
| CN112302807A (en) * | 2020-11-21 | 2021-02-02 | 西安热工研究院有限公司 | Gas turbine air inlet double-loop cooling system and method utilizing cooling capacity allowance of refrigerating station |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6000211A (en) * | 1997-06-18 | 1999-12-14 | York Research Corporation | Solar power enhanced combustion turbine power plant and methods |
| CN103352761A (en) * | 2013-06-20 | 2013-10-16 | 华电电力科学研究院 | Waste heat utilization based gas turbine inlet air cooling device |
| CN104727942A (en) * | 2015-03-25 | 2015-06-24 | 中国华电工程(集团)有限公司 | Fuel gas distributed type energy supply device for cooling inlet air by using solar energy |
| 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 |
| CN205841012U (en) * | 2016-07-11 | 2016-12-28 | 南京力合联升电力节能科技有限公司 | Efficiently combustion engine inlet gas cooling heating system |
-
2016
- 2016-07-11 CN CN201610543369.6A patent/CN106050424A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6000211A (en) * | 1997-06-18 | 1999-12-14 | York Research Corporation | Solar power enhanced combustion turbine power plant and methods |
| CN103352761A (en) * | 2013-06-20 | 2013-10-16 | 华电电力科学研究院 | Waste heat utilization based gas turbine inlet air cooling device |
| CN104727942A (en) * | 2015-03-25 | 2015-06-24 | 中国华电工程(集团)有限公司 | Fuel gas distributed type energy supply device for cooling inlet air by using solar energy |
| 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 |
| CN205841012U (en) * | 2016-07-11 | 2016-12-28 | 南京力合联升电力节能科技有限公司 | Efficiently combustion engine inlet gas cooling heating system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905897A (en) * | 2017-11-17 | 2018-04-13 | 中国大唐集团科学技术研究院有限公司火力发电技术研究所 | Gas turbine cycle flue gas waste heat recovery and inlet gas cooling association system and method |
| CN111322786A (en) * | 2020-03-11 | 2020-06-23 | 中国能源建设集团广东省电力设计研究院有限公司 | Temperature adjusting system based on combined cycle generator set and control method |
| CN112302807A (en) * | 2020-11-21 | 2021-02-02 | 西安热工研究院有限公司 | Gas turbine air inlet double-loop cooling system and method utilizing cooling capacity allowance of refrigerating station |
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Application publication date: 20161026 |
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