CN112065589B - Cooling, heating and ventilating system for gas turbine housing and control method thereof - Google Patents
Cooling, heating and ventilating system for gas turbine housing and control method thereof Download PDFInfo
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- CN112065589B CN112065589B CN202010769435.8A CN202010769435A CN112065589B CN 112065589 B CN112065589 B CN 112065589B CN 202010769435 A CN202010769435 A CN 202010769435A CN 112065589 B CN112065589 B CN 112065589B
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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
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
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- 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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
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- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/10—Heating, e.g. warming-up before starting
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- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
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- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
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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
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
- F02C7/185—Cooling means for reducing the temperature of the cooling air or gas
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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
- F02C7/32—Arrangement, mounting, or driving, of auxiliaries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Abstract
The invention discloses a cooling, heating and ventilating system of a gas turbine housing and a working method thereof, wherein the cooling, heating and ventilating system comprises a gas turbine and the gas turbine housing, a space surrounded by the gas turbine housing is composed of load gears and turbines, the load gears are positioned at the front part of the space, the turbines are positioned at the rear part of the space, and the gas turbine is positioned in the turbines; the gas turbine housing is provided with a load inter-gear air inlet and an inter-turbine air inlet, the load inter-gear air inlet is connected with the load inter-gear cold-heat exchanger, and the inter-turbine air inlet is connected with the inter-turbine cold-heat exchanger; an inter-load gear suction fan is arranged on the housing at the top of the inter-load gear, and an inter-turbine suction fan is arranged on the housing at the top of the inter-turbine; the load gear cold-heat exchanger and the turbine cold-heat exchanger are respectively connected with a cold/hot water pipeline. The invention can flexibly control and adjust the temperature of air entering between the load gears and between the turbines, adjust the cooling and ventilating effect of the housing of the gas turbine in real time and ensure the safe and reliable operation of the unit.
Description
Technical Field
The invention relates to a cooling, heating and ventilating system for a gas turbine housing.
Background
The gas turbine housing system is one of the important components in the engine generator set module of the gas turbine as an auxiliary system of the gas turbine. Gas turbine casing systems generally have the following functions: 1) the noise is reduced by sound insulation, partial noise generated when the unit operates is absorbed, and the noise is limited in the housing as much as possible; 2) CO 22 Fire fighting function, when the temperature in the space in the housing is too high, the fire probe can detect and cause fire alarm, and can cause CO in serious conditions2 Spraying and extinguishing; 3) the forced ventilation and heat dissipation function is achieved, and heat dissipated and leaked combustible gas in the running process of the unit can be discharged in time.
At present, a fan is arranged on the top of the housing to blow air between the load gears and between the turbines, and air flows out of air outlets arranged on the two sides and the top of the housing so as to cool air in the housing. This method has the following disadvantages: 1) cooling airflow is not uniformly distributed, the bottom space in the housing cannot be cooled well, the bottom air temperature and the metal part temperature are high, the unit operation is influenced, and in severe cases, the fire protection system can be triggered to alarm and even CO is sprayed by mistake2 A gas; 2) the cooling fan is only used for blowing and cooling, the temperature of air entering the housing from the outside cannot be adjusted, the cooling and ventilation effects are limited, the capacity of a common cooling fan is large, the requirement on the sealing of the housing is high, and the maintenance difficulty is high.
When the internal combustion engine is shut down in winter at low temperature, the space in the housing of the gas turbine is heated by a space heater or an electric heater is additionally arranged at the inlet of a ventilation fan, and the method has the following defects: 1) the electric heater has a severe working environment, the electric heater is often burnt out, and the failure rate is high; 2) and a plurality of electric heaters are required, so that the electric energy consumption is high and the operation is not economical.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a cooling, heating and ventilating system of a gas turbine housing and an operating method thereof, wherein the cooling, heating and ventilating system is reasonable in structural design, simple in operation and reliable in performance. The top of the gas turbine housing is provided with a suction fan, when the fan works, air in the load gear room and the turbine room is pumped out, so that the space in the housing generates micro negative pressure, and outside air can enter the housing through air inlets at two sides, thereby forming cooling air flow. In addition, a cold-heat exchanger is arranged at the air inlet, and cooling water is used for cooling air entering between the load gears and between the turbines during the operation of the gas turbine, so that the air temperature between the load gears and between the turbines can be controlled, the phenomenon that the air temperature in the housing of the gas turbine is too high to cause the high jump of the oil return temperature of the bearing and the alarm of a fire protection system or even trigger misoperation can be effectively prevented, and the safety of the gas turbine equipment is protected. When the gas turbine is stopped in winter at low temperature, the air entering between the load gears and the turbine is heated by circulating water of a heat supply network, so that the air temperature is increased, and the gas turbine equipment is effectively prevented from being frozen.
The technical scheme adopted by the invention for solving the problems is as follows: a cooling, heating and ventilating system for a gas turbine encloser comprises a gas turbine and the gas turbine encloser, and is characterized in that a space enclosed by the gas turbine encloser consists of a load gear room and a turbine room, wherein the load gear room is positioned at the front part of the space, the turbine room is positioned at the rear part of the space, and the gas turbine is positioned in the turbine room; the gas turbine engine comprises a gas turbine engine casing, a load inter-gear air inlet, a turbine inter-gear air inlet, a load inter-gear cold-heat exchanger and a turbine inter-gear cold-heat exchanger, wherein the load inter-gear air inlet and the load inter-gear cold-heat exchanger are arranged on the gas turbine engine casing; an inter-load gear suction fan is arranged on the housing at the top of the inter-load gear, and an inter-turbine suction fan is arranged on the housing at the top of the inter-turbine; the load gear inter-cold-heat exchanger and the turbine inter-cold-heat exchanger are respectively connected with a cold/hot water pipeline, a cold/hot water inlet manual valve is installed at the water inlet end of the cold/hot water pipeline, a cold/hot water outlet electric adjusting valve is installed at the water outlet end of the cold/hot water pipeline, and a pipeline exhaust valve is installed on the cold/hot water pipeline.
Furthermore, two sides between the load gears are respectively provided with an air inlet between the load gears and a heat exchanger between the load gears, and the air inlets and the heat exchangers are symmetrically arranged along the central longitudinal section between the load gears; and an air inlet and a cooling and heat exchanger between the turbines are arranged on two sides of each turbine room and are symmetrically arranged along the central longitudinal section of each turbine room.
Furthermore, two suction fans between the load gears are symmetrically arranged at the top between the load gears, and two suction fans between the turbines are symmetrically arranged at the top between the turbines.
Furthermore, when the suction fan between the load gears works, air in the load gears is pumped out of the gas turbine housing, so that micro negative pressure is generated in the load gears, and therefore external air enters the load gears through the air inlet between the load gears and the heat exchanger between the load gears.
Furthermore, when the inter-turbine suction fan works, air in the inter-turbine is pumped out of the gas turbine housing, so that micro negative pressure is generated in the inter-turbine, and therefore outside air enters the inter-turbine through the inter-turbine air inlet and the inter-turbine heat exchanger.
Furthermore, cold/hot water enters a cold/hot water pipeline through a cold/hot water inlet manual valve, then enters the load gear cold-heat exchanger and the turbine cold-heat exchanger on two sides respectively in two paths, and finally is converged into one path to leave the system through a cold/hot water outlet electric regulating valve; the cold/hot water cools or heats air introduced between the load gears and the turbine through the load gear cooling heat exchanger and the turbine cooling heat exchanger.
Furthermore, temperature detectors and gas concentration detectors are arranged between the load gears and between the turbines, when the air temperature or the gas concentration in the load gears and between the turbines is high, an alarm signal can be sent out, the electric regulating valve of the cold/hot water outlet is controlled and regulated to reduce the air temperature, or the suction fan between the load gears and the suction fan between the turbines are controlled and started to suck the gas out of the gas turbine housing.
The working method of the cooling, heating and ventilating system of the gas turbine casing comprises the following steps:
1) before the gas turbine runs, opening a pipeline exhaust valve, a cold/hot water outlet electric regulating valve and a cold/hot water inlet manual valve in sequence, injecting cooling water into a cold/hot water pipeline, and closing the pipeline exhaust valve after water is discharged; in the starting and running process of the gas turbine, the load inter-gear suction fan and the inter-turbine suction fan are automatically put into operation in a sequential control mode, the cold/hot water outlet electric regulating valve is put into operation automatically, the cooling water quantity is automatically regulated according to the temperature of air in the gas turbine housing measured by the temperature detector, so that the air temperature in the gas turbine housing is controlled, meanwhile, the suction fan operates to maintain the negative pressure and air flow in the gas turbine housing, and the air temperature and the gas concentration in the gas turbine housing are ensured to be in a normal range;
2) when the gas turbine is shut down in winter at low temperature, the pipeline exhaust valve, the cold/hot water outlet electric regulating valve and the cold/hot water inlet manual valve are opened in sequence, the hot network circulating water is injected into the cold/hot water pipeline, the pipeline exhaust valve is closed after water is discharged, the load inter-gear suction fan and the inter-turbine suction fan are started, and air is heated through the load inter-gear cold-heat exchanger and the inter-turbine cold-heat exchanger, so that the air temperature in the gas turbine housing is high in winter at low temperature, and equipment in the gas turbine housing is effectively prevented from being frozen.
Compared with the prior art, the invention has the following advantages and effects: the system is simple to modify, the operation of operators is simple, the temperature of air entering between the load gears and the turbine can be flexibly controlled and adjusted, the cooling and ventilation effects of the housing of the gas turbine are adjusted in real time, the safe and reliable operation of the unit is ensured, the temperature of the air in the housing can be increased when the gas turbine is stopped in winter at low temperature, and the devices of the gas turbine are effectively prevented from being frozen.
Drawings
FIG. 1 is a schematic top view of a gas turbine casing cooling, heating and ventilating system according to the present invention.
FIG. 2 is a schematic front view of the gas turbine casing cooling and heating ventilation system of the present invention.
In the figure: the system comprises a load gear chamber 1, a gas turbine 2, a turbine chamber 3, a gas turbine housing 4, a load gear chamber air inlet 5, a load gear chamber cold-heat exchanger 6, a turbine chamber air inlet 7, a turbine chamber cold-heat exchanger 8, a load gear chamber suction fan 9, a turbine chamber suction fan 10, a cold/hot water inlet manual valve 11, a cold/hot water outlet electric adjusting valve 12, a cold/hot water pipeline 13, a pipeline exhaust valve 14, a temperature detector 15 and a gas concentration detector 16.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Referring to fig. 1 to 2, a cooling, heating and ventilating system for a gas turbine casing comprises a gas turbine 2 and a gas turbine casing 4, wherein a space enclosed by the gas turbine casing 4 is composed of a load gear room 1 and a turbine room 3, the load gear room 1 is positioned at the front part of the space, the turbine room 3 is positioned at the rear part of the space, and the gas turbine 2 is positioned in the turbine room 3; the gas turbine housing 4 is provided with a load inter-gear air inlet 5 and an inter-turbine air inlet 7, the gas turbine housing 4 is internally provided with a load inter-gear heat exchanger 6 and an inter-turbine heat exchanger 8, the load inter-gear air inlet 5 is connected with the load inter-gear heat exchanger 6, and the inter-turbine air inlet 7 is connected with the inter-turbine heat exchanger 8; a suction fan 9 between the load gears is arranged on the housing at the top of the load gear room 1, and a suction fan 10 between the turbines is arranged on the housing at the top of the turbine room 3; the load inter-gear cold-heat exchanger 6 and the inter-turbine cold-heat exchanger 8 are respectively connected with a cold/hot water pipeline 13, a cold/hot water inlet manual valve 11 is installed at the water inlet end of the cold/hot water pipeline 13, a cold/hot water outlet electric adjusting valve 12 is installed at the water outlet end of the cold/hot water pipeline 13, and a pipeline exhaust valve 14 is installed on the cold/hot water pipeline 13.
Specifically, two sides of the load gear room 1 are respectively provided with a load gear room air inlet 5 and a load gear room heat exchanger 6, and the load gear room air inlet and the load gear room heat exchanger are symmetrically arranged along the central longitudinal section of the load gear room 1; the turbine room 3 is provided with a turbine room air inlet 7 and a turbine room heat exchanger 8 on both sides thereof, and is arranged symmetrically along a central longitudinal section of the turbine room 3.
Specifically, two suction fans 9 between the load gears are symmetrically arranged at the top of the load gear room 1, and two suction fans 10 between the turbines are symmetrically arranged at the top of the turbine room 3.
Specifically, when the inter-load-gear suction fan 9 operates, air in the inter-load-gear 1 is drawn out of the gas turbine casing 4, so that a slight negative pressure is generated in the inter-load-gear 1, and thus outside air enters the inter-load-gear 1 through the inter-load-gear air inlet 5 and the inter-load-gear heat exchanger 6.
Specifically, when the inter-turbine suction fan 10 operates, air in the inter-turbine 3 is drawn out of the gas turbine casing 4, and a slight negative pressure is generated in the inter-turbine 3, so that outside air enters the inter-turbine 3 through the inter-turbine air inlet 7 and the inter-turbine cooling heat exchanger 8.
Specifically, cold/hot water enters a cold/hot water pipeline 13 through a cold/hot water inlet manual valve 11, then enters a load gear cold-heat exchanger 6 and a turbine cold-heat exchanger 8 on two sides respectively in two ways, and finally is converged into one way to leave the system through a cold/hot water outlet electric regulating valve 12; the cold/hot water cools or heats air introduced into the load gear 1 and the inter-turbine 3 through the load inter-gear heat exchanger 6 and the inter-turbine heat exchanger 8.
Specifically, a temperature detector 15 and a gas concentration detector 16 are arranged in the load gear room 1 and the turbine room 3, when the air temperature or the gas concentration in the load gear room 1 and the turbine room 3 is high, an alarm signal can be sent out, the electric adjusting valve 12 of the cold/hot water outlet is controlled and adjusted to reduce the air temperature, or the suction fan 9 between the load gears and the suction fan 10 between the turbine rooms are controlled and started to suck the gas out of the gas turbine housing 4.
The working method of the cooling, heating and ventilating system of the gas turbine housing comprises the following steps:
1. before the gas turbine runs, opening a pipeline exhaust valve 14, a cold/hot water outlet electric regulating valve 12 and a cold/hot water inlet manual valve 11 in sequence, injecting cooling water into a cold/hot water pipeline 13, and closing a pipeline exhaust valve 14 after water is discharged; in the starting and running process of the gas turbine, the load inter-gear suction fan 9 and the inter-turbine suction fan 10 are automatically put into operation in a sequential control mode, the cold/hot water outlet electric adjusting valve 12 is put into operation automatically, the cooling water quantity is automatically adjusted according to the air temperature in the gas turbine housing 4 measured by the temperature detector 15, so that the air temperature in the gas turbine housing 4 is controlled, meanwhile, the suction fan operates to maintain the negative pressure and the air flow in the gas turbine housing 4, and the air temperature and the gas concentration in the gas turbine housing 4 are ensured to be in a normal range;
2. when the gas turbine is shut down in winter at low temperature, the pipeline exhaust valve 14, the cold/hot water outlet electric regulating valve 12 and the cold/hot water inlet manual valve 11 are opened in sequence, heating network circulating water is injected into the cold/hot water pipeline 13, the pipeline exhaust valve 14 is closed after water is discharged, the load inter-gear suction fan 9 and the inter-turbine suction fan 10 are started, and air is heated through the load inter-gear cold-heat exchanger 6 and the inter-turbine cold-heat exchanger 8, so that the air temperature in the gas turbine housing 4 is high in winter at low temperature, and equipment in the gas turbine housing 4 is effectively prevented from being frozen.
Those not described in detail in this specification are well within the skill of the art.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (7)
1. A cooling, heating and ventilating system for a gas turbine housing comprises a gas turbine (2) and the gas turbine housing (4), and is characterized in that a space enclosed by the gas turbine housing (4) consists of a load gear room (1) and a turbine room (3), wherein the load gear room (1) is positioned at the front part of the space, the turbine room (3) is positioned at the rear part of the space, and the gas turbine (2) is positioned in the turbine room (3); the gas turbine system is characterized in that a load inter-gear air inlet (5) and an inter-turbine air inlet (7) are arranged on the gas turbine housing (4), a load inter-gear cold-heat exchanger (6) and an inter-turbine cold-heat exchanger (8) are arranged in the gas turbine housing (4), the load inter-gear air inlet (5) is connected with the load inter-gear cold-heat exchanger (6), and the inter-turbine air inlet (7) is connected with the inter-turbine cold-heat exchanger (8); a load inter-gear suction fan (9) is arranged on the housing at the top of the load inter-gear (1), and an inter-turbine suction fan (10) is arranged on the housing at the top of the turbine room (3); the load gear inter-cold-heat exchanger (6) and the turbine inter-cold-heat exchanger (8) are respectively connected with a cold/hot water pipeline (13), a cold/hot water inlet manual valve (11) is installed at the water inlet end of the cold/hot water pipeline (13), a cold/hot water outlet electric adjusting valve (12) is installed at the water outlet end of the cold/hot water pipeline (13), and a pipeline exhaust valve (14) is installed on the cold/hot water pipeline (13); and a temperature detector (15) and a gas concentration detector (16) are arranged in the load gear room (1) and the turbine room (3).
2. The cooling, heating and ventilating system for gas turbine casings as set forth in claim 1, wherein said load gear room (1) is provided at both sides thereof with an inter-load gear air inlet (5) and an inter-load gear heat exchanger (6) and is arranged symmetrically along a central longitudinal section of the load gear room (1); and an inter-turbine air inlet (7) and an inter-turbine cooling-heating exchanger (8) are arranged on two sides of the inter-turbine (3) and are symmetrically arranged along the central longitudinal section of the inter-turbine (3).
3. The cooling, heating and ventilating system for gas turbine casings as claimed in claim 1, wherein two suction fans (9) between the load gears are symmetrically arranged on the top of the load gear chamber (1), and two suction fans (10) between the turbines are symmetrically arranged on the top of the load gear chamber (3).
4. The cooling and heating ventilation system for gas turbine engine casing according to claim 1, wherein said suction fan (9) for suction of air between load gears (1) is operated to draw air in the load gears (1) to the outside of the gas turbine engine casing (4) to generate a slight negative pressure in the load gears (1) so that external air is introduced into the load gears (1) through the air inlet (5) for load gears and the heat exchanger (6) for load gears.
5. The cooling, heating and ventilating system for a gas turbine casing according to claim 1, wherein said inter-turbine suction fan (10) is operated to draw air in the inter-turbine casing (3) to the outside of the gas turbine casing (4) to generate a slight negative pressure in the inter-turbine casing (3) so that outside air is introduced into the inter-turbine casing (3) through the inter-turbine air inlet (7) and the inter-turbine heat and heat exchanger (8).
6. The cooling and heating ventilation system of the gas turbine shroud as claimed in claim 1, wherein the cold/hot water enters the cold/hot water pipeline (13) through the cold/hot water inlet manual valve (11), then enters the load inter-gear cold-heat exchanger (6) and the inter-turbine cold-heat exchanger (8) in two ways, and finally joins into one way to leave the system through the cold/hot water outlet electric regulating valve (12); the cold/hot water cools or heats air introduced into the load inter-gear (1) and the inter-turbine (3) through the load inter-gear cold-heat exchanger (6) and the inter-turbine cold-heat exchanger (8).
7. A method of operating a gas turbine shroud cooling, heating and ventilating system as claimed in any one of claims 1 to 6, including the steps of:
1) before the gas turbine runs, opening a pipeline exhaust valve (14), a cold/hot water outlet electric regulating valve (12) and a cold/hot water inlet manual valve (11) in sequence, injecting cooling water into a cold/hot water pipeline (13), and closing a pipeline exhaust valve (14) after water is discharged; in the starting and running processes of the gas turbine, a load inter-gear suction fan (9) and an inter-turbine suction fan (10) are automatically put into operation in a sequential control mode, a cold/hot water outlet electric adjusting valve (12) is put into operation automatically, and the cooling water amount is automatically adjusted according to the air temperature in a gas turbine housing (4) measured by a temperature detector (15), so that the air temperature in the gas turbine housing (4) is controlled, meanwhile, the suction fan operates to maintain the negative pressure and air flow in the gas turbine housing (4), and the air temperature and the gas concentration in the gas turbine housing (4) are ensured to be in a normal range;
2) when the gas turbine is shut down in a low-temperature period in winter, a pipeline exhaust valve (14), a cold/hot water outlet electric regulating valve (12) and a cold/hot water inlet manual valve (11) are opened in sequence, hot network circulating water is injected into a cold/hot water pipeline (13), a pipeline exhaust valve (14) is closed after water is discharged, a load inter-gear suction fan (9) and an inter-turbine suction fan (10) are started, and air is heated through a load inter-gear cold-heat exchanger (6) and an inter-turbine cold-heat exchanger (8), so that the air temperature in a gas turbine housing (4) is high in the low-temperature period in winter, and equipment in the gas turbine housing (4) is effectively prevented from being frozen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010769435.8A CN112065589B (en) | 2020-08-03 | 2020-08-03 | Cooling, heating and ventilating system for gas turbine housing and control method thereof |
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| CN202010769435.8A CN112065589B (en) | 2020-08-03 | 2020-08-03 | Cooling, heating and ventilating system for gas turbine housing and control method thereof |
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| CN112065589B true CN112065589B (en) | 2021-09-28 |
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| JP2002242701A (en) * | 2001-02-21 | 2002-08-28 | Yanmar Diesel Engine Co Ltd | Air charging/ventilating device for gas turbine package |
| JP4495603B2 (en) * | 2004-01-15 | 2010-07-07 | 株式会社日立製作所 | Gas turbine power generator and silencer used therefor |
| US9091215B2 (en) * | 2011-06-28 | 2015-07-28 | General Electric Company | System for ventilating a gas turbine enclosure |
| CN202402140U (en) * | 2011-12-23 | 2012-08-29 | 中国船舶重工集团公司第七�三研究所 | Gas turbine module with fire control, heat insulation, ventilation and sound insulation functions |
| CN204099829U (en) * | 2014-09-25 | 2015-01-14 | 江苏华强新能源科技有限公司 | Gas turbine case |
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| CN109578142B (en) * | 2018-11-14 | 2020-07-28 | 株洲航发动科南方燃气轮机有限公司 | Integrated gas turbine unit box package |
| CN210220144U (en) * | 2019-06-17 | 2020-03-31 | 煤炭工业太原设计研究院集团有限公司 | Exhaust heat exchange system of internal combustion engine power generation plant |
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2020
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