CN103195577A - Air intake temperature regulating system of gas turbine - Google Patents
Air intake temperature regulating system of gas turbine Download PDFInfo
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- CN103195577A CN103195577A CN2013101237607A CN201310123760A CN103195577A CN 103195577 A CN103195577 A CN 103195577A CN 2013101237607 A CN2013101237607 A CN 2013101237607A CN 201310123760 A CN201310123760 A CN 201310123760A CN 103195577 A CN103195577 A CN 103195577A
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Abstract
The invention discloses an air intake temperature regulating system of a gas turbine. The air intake temperature regulating system of the gas turbine comprises a low-pressure gas compressor, a high-pressure gas compressor, an air compressor of the gas turbine, the gas turbine, an air heat exchanger, a hot-water-type absorption-type refrigerator and a gas heat exchanger, wherein a hot side air discharge pipe of the air heat exchanger is connected with the air compressor of the gas turbine; a water inlet and a water outlet at the cold side of the air heat exchanger are respectively communicated with a water outlet and a water inlet of the hot-water-type absorption-type refrigerator through pipelines; an air intake pipe at the hot side of the gas heat exchanger is connected with the lower-pressure gas compressor; an air exhaust pipe at the hot side of the gas heat exchanger is connected with the high-pressure gas compressor connected with the gas turbine; and a water inlet and a water outlet at the cold side of the gas heat exchanger are respectively connected with a water outlet and a water inlet of the hot-water-type absorption-type refrigerator through pipelines. The air intake temperature regulating system of the gas turbine provided by the invention is simple in system, and low in investment and running maintaining expense, and can be widely applied to a power generating technology of the gas turbine.
Description
Technical field
The present invention relates to a kind of humidity control system, relate to a kind of gas turbine air inlet humidity control system specifically.
Background technique
In recent years, in steel industry, utilize the gas-steam combined circulation electrification technique as well as of Iron And Steel Plant's residual gas (high, burnt, commentaries on classics coal gas) generating with considerable scale.It can efficiently utilize Iron And Steel Plant's complementary energy waste heat.
Generated output is subjected to the temperature effect of atmosphere outside bigger during gas turbine operation, for same production site, the winter environment temperature is low, air density is big, the atmospheric pressure height, relative moisture is low, the gas turbine power generation height of exerting oneself, even be higher than design conditions value (design conditions are the ISO operating mode, 15 ℃ of air inlet temperature, atmospheric pressure 0.10135MPa, relative humidity of atomsphere 60%); And summer environment temperature height, air density is little, and atmospheric pressure is low, the relative moisture height, gas turbine power generation is exerted oneself, and to be lower than the design conditions value a lot.Therefore, can handle gas turbine inlet air (air) dehumidification of lowering the temperature in summer, can significantly improve the generated energy of gas turbine.
Simultaneously, the supply pressure of Iron And Steel Plant's residual gas low (5kPa-15kPa) for adapting to the combustion gas air inlet requirement of gas turbine, must carry out pressure treatment to it before entering gas turbine combustion.Multistage compression, the intercooled modes of adopting of coal gas compression at present more, the low-pressure gas compressor exit temperature is generally 150 ℃-180 ℃, and coal gas comes out behind gas cooler from the low-pressure gas compressor, returns the high pressure gas compressor.The type of cooling of gas cooler then adopts usually by the outside and introduces industry water or inclosed recirculated cooling water, and coal gas of high temperature is cooled off, and hot water recycles after being cooled off by cooling tower, and the waste heat of coal gas of high temperature can not get effective recovery.
Summary of the invention
In order to solve the problems of the technologies described above, to the invention provides and a kind ofly can take full advantage of the coal gas of high temperature waste heat, simultaneously can make gas turbine be higher than under the ISO operating mode inlet air conditions gas turbine air inlet humidity control system that can existing generated output be significantly increased.
To achieve these goals, technological scheme of the present invention is as follows: a kind of gas turbine air inlet humidity control system, comprise low-pressure gas compressor (4), high pressure gas compressor (5), gas turbine air compressor (6), gas turbine (7), described gas turbine air compressor (6) is connected with gas turbine (7), it is characterized in that: also comprise air heat exchanger (1), hot water operated absorption refrigerating machine (2) and gas change heater (3), the hot side suction tude of described air heat exchanger (1) communicates with atmosphere, the hot side steam outlet pipe of described air heat exchanger (1) is connected with gas turbine air compressor (6), and the cold side water intake of described air heat exchanger (1) and water outlet are communicated with by pipeline with hot water operated absorption refrigerating machine's (2) water outlet and water intake respectively;
The hot side suction tude of described gas change heater (3) is connected with low-pressure gas compressor (4), and the hot side steam outlet pipe of described gas change heater (3) is connected with high pressure gas compressor (5), and described high pressure gas compressor (5) is connected with gas turbine (7); The cold side water intake of described gas change heater (3) is connected with water intake by the water outlet of pipeline with hot water operated absorption refrigerating machine (2) respectively with water outlet.
Adopt technique scheme, utilize air heat exchanger to the temperature regulation of gas turbine inlet air (air), improved exerting oneself of under warm wet climate environment gas turbine, and hot water operated absorption refrigerating machine's driving heat source of regulating air inlet (air) temperature comes under the condition that assurance gas turbine gas inlet temperature does not raise, reclaim the heat that combustion gas (coal gas) produces to greatest extent in pressure process, effectively utilized the low gesture waste heat of gas compression pump cooling, reduce recirculated cooling water and hot water operated absorption refrigerating machine's electrisity consumption, improved the heat-economy of gas turbine powered generator.
In technique scheme: the hot side-inlet of described air heat exchanger (1) is equipped with air filter (10).
In technique scheme: the pipeline that the cold side water outlet of described gas change heater (3) is connected with hot water operated absorption refrigerating machine's (2) water intake is provided with first three-way control valve (11) and second flow measuring element (21), and the 3rd end of described first three-way control valve (11) is connected with external heat user water-supplying mouth (a) by pipeline; The pipeline that the cold side water intake of described gas change heater (3) is connected with hot water operated absorption refrigerating machine's (2) water outlet is provided with second three-way control valve (12) and the 3rd flow measuring element (22), and the 3rd end of this second three-way control valve (12) is communicated with outside heat supply user backwater mouth (b) by pipeline.When combustion gas air inlet (air) when not needing cool-down dehumidification, the waste heat in the combustion gas of recovery (coal gas) pressure process also can be used for heating.
In technique scheme: the pipeline that the cold side water intake of described air heat exchanger (1) is communicated with hot water operated absorption refrigerating machine's (2) water outlet is provided with modulating valve (13) and first flow measuring cell (20).
In technique scheme, regulate temperature for convenience, the hot side suction tude of described air heat exchanger (1) is provided with first temperature measuring element (14), the hot side steam outlet pipe of described air heat exchanger (1) is provided with second temperature measuring element (15), described hot water operated absorption refrigerating machine (2) water outlet is provided with the 3rd temperature measuring element (16) with the pipeline that air heat exchanger (1) cold side water intake links to each other, described first temperature measuring element (14), the hot side suction tude of described gas change heater (3) is provided with the 4th temperature measuring element (17), the hot side steam outlet pipe of gas change heater (3) is provided with the 5th temperature measuring element (18), and the pipeline that connects the water outlet of described gas change heater (3) cold side and hot water operated absorption refrigerating machine's (2) water intake is provided with the 6th temperature measuring element (19).
In technique scheme: the equal position of described air heat exchanger (1), hot water operated absorption refrigerating machine (2) and gas change heater (3) is more than two.
In technique scheme: all gas change heaters (3) series connection constitutes the gas change heater group, the hot side suction tude of this gas change heater group is connected with low-pressure gas compressor (4), the hot side steam outlet pipe of this gas change heater group is connected with high pressure gas compressor (5), and every air heat exchanger (1) and hot water operated absorption refrigerating machine (2) work alone.
Beneficial effect: utilize the temperature regulation to gas turbine inlet air (air), increased exerting oneself of unit, and the refrigerator driving heat source of regulating air inlet (air) temperature comes under the condition that assurance gas turbine gas inlet temperature does not raise, reclaim the heat that combustion gas (coal gas) produces to greatest extent in pressure process, recirculated cooling water and refrigerator electrisity consumption have been reduced, improved the heat-economy of gas turbine power generation, simultaneously, when combustion gas air inlet (air) when not needing cool-down dehumidification, waste heat also can be used for heating in the combustion gas of recovery (coal gas) pressure process.System of the present invention is simple, and investment, operation and maintenance cost is low, can be widely used on the gas turbine power generation technology.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
Embodiment 1, and as shown in Figure 1: a kind of gas turbine air inlet humidity control system of the present invention is by an air heat exchanger 1, a hot water operated absorption refrigerating machine 2, a gas change heater 3, low-pressure gas compressor 4, high pressure gas compressor 5, gas turbine air compressor 6, gas turbine 7, gas turbine powered generator 8, gas compression pump drive motor 9, air filter 10, first three-way control valve 11, second three-way control valve 12, modulating valve 13, first temperature measuring element 14, second temperature measuring element 15, the 3rd temperature measuring element 16, the 4th temperature measuring element 17, the 5th temperature measuring element 18, the 6th temperature measuring element 19, first flow measuring cell 20, parts such as second flow measuring element 21 and the 3rd flow measuring element 22 are formed.All adopt existing structure with upper-part, the structure of each parts is not done at this and given unnecessary details.The c place is gas inlet among the figure.
Circulation medium is air in the described air heat exchanger 1 hot side, and circulation medium is water in the cold side; Described hot water operated absorption refrigerating machine's 2 water are that refrigeration agent, lithium bromide are absorbing agent; Circulation medium is coal gas in the hot side of gas change heater 3, and circulation medium is water in the cold side.
The hot side suction tude of described air heat exchanger 1 is provided with air filter 10, the hot side steam outlet pipe of described air heat exchanger 1 is connected with gas turbine air compressor 6, and the cold side water intake of described air heat exchanger 1 and water outlet are communicated with by pipeline with hot water operated absorption refrigerating machine 2 water outlet and water intake respectively; The pipeline that hot water operated absorption refrigerating machine 2 and air heat exchanger are 1 is provided with at least one water pump.
The hot side suction tude of described gas change heater 3 is connected with low-pressure gas compressor 4, and described gas change heater 3 hot side steam outlet pipes are connected with high pressure gas compressor 5, and described high pressure gas compressor 5 is connected with gas turbine 7; The cold side water intake of described gas change heater 3 is connected with water intake with hot water operated absorption refrigerating machine 2 water outlet by pipeline respectively with water outlet.Described gas turbine air compressor 6 is connected with gas turbine 7, and described gas turbine 7 is connected with gas turbine powered generator 8, and described gas change heater 3 is provided with at least one water pump with hot water operated absorption refrigerating machine 2 pipeline.
The thermal energy transfer of the coal gas after 4 compressions of low-pressure gas compressor is arrived the cold side heated feed water of gas change heater 3, after being cooled, coal gas enters next stage high pressure gas compressor 5, the hot water that is heated by gas change heater 3 enters the absorption cooling machine 2 of hot-water type, as hot water operated absorption refrigerating machine's 2 driving heat source, the cold water after the heat release is got back to gas change heater 3.The cold water of being made by hot water operated absorption refrigerating machine 2 enters air heat exchanger 1, in air heat exchanger 1, absorb the hot air heat, reach the purpose of cooling air, absorbing the water that heats up the back gets back among the hot water operated absorption refrigerating machine 2, cooled air enters gas turbine air compressor 6, and the high pressure gas of sending here with high-rank coal air compressor 5 enters work by combustion generating in the gas turbine 7 jointly after compression.
The pipeline that the cold side water outlet of described gas change heater 3 is connected with hot water operated absorption refrigerating machine 2 water intake is provided with first three-way control valve 11 and second flow measuring element 21, and described first three-way control valve 11 the 3rd end is connected with external heat user water-supplying mouth a by pipeline; The pipeline that the cold side water intake of described gas change heater 3 is connected with hot water operated absorption refrigerating machine 2 water outlet is provided with second three-way control valve 12 and the 3rd flow measuring element 22, and the 3rd end of this second three-way control valve 12 is communicated with outside heat supply user backwater mouth b by pipeline.
The pipeline that the cold side water intake of described air heat exchanger 1 is communicated with hot water operated absorption refrigerating machine 2 water outlet is provided with modulating valve 13 and first flow measuring cell 20.
The hot side suction tude of described air heat exchanger 1 is provided with first temperature measuring element 14, the hot side steam outlet pipe of described air heat exchanger 1 is provided with second temperature measuring element 15, described hot water operated absorption refrigerating machine's 2 water outlets are provided with the 3rd temperature measuring element 16 with the pipeline that air heat exchanger 1 cold side water intake links to each other, described first temperature measuring element 14, second temperature measuring element 15, the 3rd temperature measuring element 16, first flow measuring cell 20 and modulating valve 13 interlockings, first temperature measuring element 14 just, the temperature signal that second temperature measuring element 15 and the 3rd temperature measuring element 16 record, the flux signal that first flow measuring cell 20 records passes to control unit, these control unit regulating and controlling valve 13 apertures.
The hot side suction tude of described gas change heater 3 is provided with the 4th temperature measuring element 17, the hot side steam outlet pipe of gas change heater 3 is provided with the 5th temperature measuring element 18, the pipeline that connects the water outlet of described gas change heater 3 cold sides and hot water operated absorption refrigerating machine's 2 water intake is provided with the 6th temperature measuring element 19, described the 4th temperature measuring element 17, the 5th temperature measuring element 18, the 6th temperature measuring element 19, second flow measuring element 21 and the 3rd flow measuring element 22 and first three-way control valve 11 and second three-way control valve, 12 interlockings, the 4th temperature measuring element 17 just, the temperature signal that the 5th temperature measuring element 18 and the 6th temperature measuring element 19 record, second flow measuring element 21 and the 3rd flow measuring element 22 all pass to control unit with the flux signal that records, and this control unit is controlled first three-way control valve 11 and second three-way control valve, 12 apertures.
When not needing gas turbine 7 air inlets (air) when lowering the temperature (winter), by regulating first three-way control valve 11, second three-way control valve 12, modulating valve 13, the hot water of gas change heater 3 heating is sent into other heat supply user recycle.
Four, the 5th, the 6th temperature measuring element 17,18,19, second flow measuring element 21 and the 3rd flow measuring element 22 and first three-way control valve 11 and second three-way control valve, 12 interlockings, by regulating first three-way control valve 11 and second three-way control valve 12, the control gas change heater 3 cold side water yields are guaranteed gas change heater 3 cooling effects; First, second, third temperature measuring element 14,15,16 and first flow measuring cell 20 and modulating valve 13 interlockings, by regulating and controlling valve 13, the heat exchange effect of control air heat exchanger 1.
Embodiment's 2 other structures are identical with embodiment 1, and different is that described air heat exchanger 1, hot water operated absorption refrigerating machine 2 and gas change heater 3 are more than two.Wherein said air heat exchanger 1 adopts mode in parallel to connect, and just the hot side air outlet slit of every air heat exchanger 1 all links to each other with combustion gas runner air compressor 6; All give gas turbine air compressor 6 air feed separately, described hot water operated absorption refrigerating machine 2 adopts mode in parallel to connect, that is to say that every hot-water type refrigerator 2 all is connected with air heat exchanger 1 with one or more gas change heater 3 separately, supply water separately, work alone.Described gas change heater 3 can adopt mode in parallel to work alone separately, the hot side suction tude of every gas change heater 3 is connected with low-pressure gas compressor 4 respectively, the hot side steam outlet pipe of every gas change heater 3 is connected with high pressure gas compressor 5, also many gas change heaters 3 can be together in series and work together, that is to say many gas change heaters 3 series connection back composition gas change heater groups, the hot side suction tude of gas change heater group is connected with high pressure gas compressor 5 with low-pressure gas compressor 4 respectively with steam outlet pipe.
Claims (7)
1. gas turbine air inlet humidity control system, comprise low-pressure gas compressor (4), high pressure gas compressor (5), gas turbine air compressor (6), gas turbine (7), described gas turbine air compressor (6) is connected with gas turbine (7), it is characterized in that: also comprise air heat exchanger (1), hot water operated absorption refrigerating machine (2) and gas change heater (3), the hot side suction tude of described air heat exchanger (1) communicates with atmosphere, the hot side steam outlet pipe of described air heat exchanger (1) is connected with gas turbine air compressor (6), and the cold side water intake of described air heat exchanger (1) and water outlet are communicated with by pipeline with hot water operated absorption refrigerating machine's (2) water outlet and water intake respectively;
The hot side suction tude of described gas change heater (3) is connected with low-pressure gas compressor (4), and the hot side steam outlet pipe of described gas change heater (3) is connected with high pressure gas compressor (5), and described high pressure gas compressor (5) is connected with gas turbine (7); The cold side water intake of described gas change heater (3) is connected with water intake by the water outlet of pipeline with hot water operated absorption refrigerating machine (2) respectively with water outlet.
2. according to the described gas turbine air inlet of claim 1 humidity control system, it is characterized in that: air filter (10) is housed on the hot side-inlet of described air heat exchanger (1).
3. according to the described gas turbine air inlet of claim 1 humidity control system, it is characterized in that: the pipeline that the cold side water outlet of described gas change heater (3) is connected with hot water operated absorption refrigerating machine's (2) water intake is provided with first three-way control valve (11) and second flow measuring element (21), and the 3rd end of described first three-way control valve (11) is connected with external heat user water-supplying mouth (a) by pipeline; The pipeline that the cold side water intake of described gas change heater (3) is connected with hot water operated absorption refrigerating machine's (2) water outlet is provided with second three-way control valve (12) and the 3rd flow measuring element (22), and the 3rd end of this second three-way control valve (12) is communicated with outside heat supply user backwater mouth (b) by pipeline.
4. according to the described gas turbine air inlet of claim 3 humidity control system, it is characterized in that: the pipeline that the cold side water intake of described air heat exchanger (1) is communicated with hot water operated absorption refrigerating machine's (2) water outlet is provided with modulating valve (13) and first flow measuring cell (20).
5. according to the described gas turbine air inlet of claim 4 humidity control system, it is characterized in that: the hot side suction tude of described air heat exchanger (1) is provided with first temperature measuring element (14), the hot side steam outlet pipe of described air heat exchanger (1) is provided with second temperature measuring element (15), described hot water operated absorption refrigerating machine (2) water outlet is provided with the 3rd temperature measuring element (16) with the pipeline that air heat exchanger (1) cold side water intake links to each other, the hot side suction tude of described gas change heater (3) is provided with the 4th temperature measuring element (17), the hot side steam outlet pipe of described gas change heater (3) is provided with the 5th temperature measuring element (18), and the pipeline that connects the water outlet of described gas change heater (3) cold side and hot water operated absorption refrigerating machine's (2) water intake is provided with the 6th temperature measuring element (19).
6. according to each described gas turbine powered generator air admittance regulation system of claim 1-5, it is characterized in that: described air heat exchanger (1), hot water operated absorption refrigerating machine (2) and gas change heater (3) are more than two.
7. according to the described gas turbine powered generator air admittance regulation system of claim 6, it is characterized in that: all gas change heaters (3) series connection constitutes the gas change heater group, the hot side suction tude of this gas change heater group is connected with low-pressure gas compressor (4), the hot side steam outlet pipe of this gas change heater group is connected with high pressure gas compressor (5), and every air heat exchanger (1) and hot water operated absorption refrigerating machine (2) work alone.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123760.7A CN103195577B (en) | 2013-04-11 | 2013-04-11 | Gas turbine air inlet temperature regulating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310123760.7A CN103195577B (en) | 2013-04-11 | 2013-04-11 | Gas turbine air inlet temperature regulating system |
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| CN103195577A true CN103195577A (en) | 2013-07-10 |
| CN103195577B CN103195577B (en) | 2015-08-26 |
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| CN201310123760.7A Active CN103195577B (en) | 2013-04-11 | 2013-04-11 | Gas turbine air inlet temperature regulating system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712433A (en) * | 2015-01-14 | 2015-06-17 | 同济大学 | Inlet-air cooling system used for mini-sized gas turbine by driving flue-gas waste-heat injection for refrigeration |
| CN105971736A (en) * | 2016-07-01 | 2016-09-28 | 陈梦娜 | Air inlet temperature adjusting system for gas turbine |
| CN112576375A (en) * | 2020-12-29 | 2021-03-30 | 上海电气燃气轮机有限公司 | Cold and heat utilization system and method for coal press room of low-heat-value combined cycle unit |
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| CN2164465Y (en) * | 1993-08-30 | 1994-05-11 | 北京市西城区新开通用试验厂 | Numerical controlled gas turbine electricity heat, cold joint supply equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104712433A (en) * | 2015-01-14 | 2015-06-17 | 同济大学 | Inlet-air cooling system used for mini-sized gas turbine by driving flue-gas waste-heat injection for refrigeration |
| CN105971736A (en) * | 2016-07-01 | 2016-09-28 | 陈梦娜 | Air inlet temperature adjusting system for gas turbine |
| CN112576375A (en) * | 2020-12-29 | 2021-03-30 | 上海电气燃气轮机有限公司 | Cold and heat utilization system and method for coal press room of low-heat-value combined cycle unit |
| CN112576375B (en) * | 2020-12-29 | 2023-09-22 | 上海电气燃气轮机有限公司 | System and method for utilizing cold and heat quantity between coal presses of low-heat-value combined cycle unit |
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| CN103195577B (en) | 2015-08-26 |
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Effective date of registration: 20180930 Address after: 401120 9 Honghu East Road, Yubei District, Chongqing 705 Patentee after: Chongqing energy control power equipment Co., Ltd. Address before: 400030 Sha Zheng street, Shapingba District, Chongqing City, No. 174 Patentee before: Chongqing University |
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Address after: 401211 No.9, Honghu East Road, Yubei District, Chongqing 705 Patentee after: Chongqing energy control Power Technology Co., Ltd Address before: 401120 9 Honghu East Road, Yubei District, Chongqing 705 Patentee before: Chongqing energy control power equipment Co., Ltd. |
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