CN208431075U - A kind of air heating mechanism for combustion engine turbine gas handling system compressor inlet - Google Patents
A kind of air heating mechanism for combustion engine turbine gas handling system compressor inlet Download PDFInfo
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- CN208431075U CN208431075U CN201820403747.5U CN201820403747U CN208431075U CN 208431075 U CN208431075 U CN 208431075U CN 201820403747 U CN201820403747 U CN 201820403747U CN 208431075 U CN208431075 U CN 208431075U
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- pipe
- asthma
- air heating
- inlet
- water inlet
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Abstract
The utility model relates to a kind of air heating mechanisms for combustion engine turbine gas handling system compressor inlet, including anti-asthma bleeder pipe, inlet air heating main pipe, anti-asthma deflation shunt valve, heat exchange coil, water inlet pipe and return pipe；Wherein, bleeding point connects between the anti-asthma bleeder pipe and compressor stage；The anti-asthma deflation shunt valve is connect with anti-asthma bleeder pipe, inlet air heating main pipe respectively；The heat exchange coil water inlet end is connect with water inlet pipe, and the heat exchange coil water outlet is connect with return pipe；The inlet air heating main pipe, heat exchange coil are arranged at compressor inlet.Heating mechanism provided by the utility model heats the air inlet of gas turbine inlet air system using the bypass drinking-water pipe of anti-asthma deflation shunt valve and waste heat boiler low-pressure coal saver, reduce atmospheric density, reduce compressor pressure ratio, increase compressor surge nargin, while reaching anti-asthma purpose, the unit entirety thermal efficiency is effectively increased.
Description
Technical field
The present invention relates to thermal power plant gas turbine group fields, are used for the air inlet of combustion engine turbine more particularly, to one kind
The air heating mechanism of compressor entrance.
Background technique
The gas turbine group in thermal power plant is influenced, compressor inlet when operating normally by uncontrollable factors such as environment
Air themperature be it is uncontrollable, product type under mainstream power plant of the existing country such as GE passes through the part for extracting compressor exhaust
Gas source heats compressor inlet air themperature, to prevent winter compressor inlet from freezing, expands DLN2.0+ combustion chamber premix
Burning working range and limitation pressure ratio transfinite, and reduce atmospheric density, reduce compressor pressure ratio, increase compressor surge nargin, mention
The high combined cycle unit entirety thermal efficiency.Efficiency optimization when realizing unit operation by control compressor air inlet machine temperature.
But the part gas source for extracting compressor exhaust is taken to heat this mode of compressor inlet air themperature, in reality
It will affect combustion turbine power and the thermal efficiency in operation, this inlet air heating system using compressor pumping makes the consumption of compressor
Function increases, and reduces the generating efficiency of gas turbine.
Summary of the invention
The present invention is to solve the above part gas source for taking extraction compressor exhaust in the prior art to enter to heat compressor
The mode of mouthful air themperature, provides one at the technical issues of making the wasted work of compressor increase, reduce the generating efficiency of gas turbine
Kind is used for the air heating mechanism of combustion engine turbine gas handling system compressor inlet.
To realize the above goal of the invention, the technical solution adopted is that:
A kind of air heating mechanism for combustion engine turbine gas handling system compressor inlet, including anti-asthma bleeder pipe, air inlet
Heat main pipe, anti-asthma deflation shunt valve, heat exchange coil, water inlet pipe and return pipe；Wherein, the anti-asthma bleeder pipe and compressor stage
Between bleeding point connection connection；The anti-asthma deflation shunt valve is connect with anti-asthma bleeder pipe, inlet air heating main pipe respectively；The heat exchange
Coil pipe water inlet end is connect with water inlet pipe, and the heat exchange coil water outlet is connect with return pipe；The inlet air heating main pipe, heat exchange plate
Pipe is arranged at compressor inlet.
Wherein, the water inlet pipe include the bypass water inlet pipe of waste heat boiler low-pressure coal saver and condenser condensed water bypass into
Water pipe.
In above scheme, in bypass water inlet pipe and condenser condensed water the bypass water inlet pipe of waste heat boiler low-pressure coal saver
Coolant-temperature gage is high, and the temperature of surrounding air can be effectively improved during passing through heat exchange coil；Compressor is put by anti-asthma
Tracheae drains gas, is sent using the air in anti-asthma deflation shunt valve extraction anti-asthma bleeder pipe into inlet air heating main pipe and is added
Heat improves the temperature of surrounding air；In the compressor course of work, the air themperature of air inlet is high, reduces atmospheric density, subtracts
Small compressor pressure ratio increases compressor surge nargin, while reaching anti-asthma purpose, effectively increases unit entirety thermal effect
Rate, i.e., efficiency optimization when realizing unit operation by control compressor air inlet machine temperature.
Wherein, in the junction of anti-asthma deflation shunt valve and anti-asthma bleeder pipe, it is provided with pumping heat control valve.
In above scheme, pumping heat control valve is used to adjust the sucking rate of compressor anti-asthma deflation shunt valve.
Wherein, temperature detector and hydraulic pressure detector are provided on the heat exchange coil, water inlet pipe and return pipe.
In above scheme, the setting of temperature detector and hydraulic pressure detector realizes the hot water to low-pressure coal saver, condensing
The condensed water of device, the water inlet of mixed heat exchange coil and the monitoring of heat exchange coil leaving water temperature and pressure, pass through water side temperature
Difference is held to control flow of inlet water.
Wherein, the bypass water inlet pipe of the waste heat boiler low-pressure coal saver bypasses being connected to for water inlet pipe with condenser condensed water
Place is provided with water pump；The return pipe effluent pipe mouth is arranged in waste heat boiler low-pressure coal saver.
In above scheme, the hot water from low-pressure coal saver and the condensed water from condenser reach after being mixed in a certain ratio
To the temperature and flow of requirement, is entered in heat exchange coil by water pump with air heat-exchange, improve air themperature, effluent recycling is more than
In heat boiler low-pressure coal saver.
Compared with prior art, the beneficial effects of the present invention are:
Heating mechanism provided by the invention is drawn water using the bypass of anti-asthma deflation shunt valve and waste heat boiler low-pressure coal saver
Pipe heats the air inlet of gas turbine inlet air system, reduces atmospheric density, reduces compressor pressure ratio, increases compressor asthma
Vibration nargin effectively increases the unit entirety thermal efficiency while reaching anti-asthma purpose.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of heating mechanism.
Wherein: 1, inlet air heating main pipe；2, anti-asthma deflation shunt valve；3, heat exchange coil；4, anti-asthma bleeder pipe；5, return water
Pipe；6, waste heat boiler low-pressure coal saver bypasses water inlet pipe；7, condenser condensed water bypasses water inlet pipe；8, compressor；9, waste heat pot
Furnace low-pressure coal saver.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
Below in conjunction with drawings and examples, the present invention is further elaborated.
Embodiment 1
As shown in Figure 1, a kind of air heating mechanism for combustion engine turbine gas handling system compressor inlet, including anti-asthma are put
Tracheae 4, inlet air heating main pipe 1, anti-asthma deflation shunt valve 2, heat exchange coil 3, water inlet pipe and return pipe 5；Wherein, the anti-asthma is put
Tracheae 4 and the outlet of compressor 8 connect；The anti-asthma deflation shunt valve 2 connects with anti-asthma bleeder pipe 4, inlet air heating main pipe 1 respectively
It connects；3 water inlet end of heat exchange coil is connect with water inlet pipe, and 3 water outlet of heat exchange coil is connect with return pipe 5；The air inlet
Heat main pipe 1, heat exchange coil 3 is arranged in 8 inlet of compressor.
More specifically, the water inlet pipe includes by waste heat boiler low-pressure coal saver bypass water inlet pipe 6 and condenser condensed water
Road water inlet pipe 7.
In the specific implementation process, waste heat boiler low-pressure coal saver bypass water inlet pipe 6 and condenser condensed water bypass water inlet
Coolant-temperature gage in pipe 7 is high, and the temperature of surrounding air can be effectively improved during passing through heat exchange coil 3；Compressor 8 is logical
It crosses anti-asthma bleeder pipe 4 to drain gas, is sent using the air in the extraction anti-asthma bleeder pipe 4 of anti-asthma deflation shunt valve 2 to air inlet and added
It is heated in hot main pipe 1, improves the temperature of surrounding air；In 8 course of work of compressor, the air themperature of air inlet is high, drop
Low latitude air tightness reduces compressor pressure ratio, increases compressor surge nargin, while reaching anti-asthma purpose, effectively improve
The unit entirety thermal efficiency, i.e., efficiency optimization when realizing unit operation by control compressor 8 intake air temperature.
More specifically, in the junction of anti-asthma deflation shunt valve 2 and anti-asthma bleeder pipe 1, it is provided with pumping heat control valve.
In the specific implementation process, pumping heat control valve is used to adjust the sucking rate of compressor anti-asthma deflation shunt valve 2.
More specifically, temperature detector and hydraulic pressure detection are provided on the heat exchange coil 3, water inlet pipe and return pipe 5
Device.
In the specific implementation process, the setting of temperature detector and hydraulic pressure detector is realized and is saved to waste heat boiler low pressure
The hot water of coal device 9, the condensed water of condenser, the water inlet of mixed heat exchange coil 3 and 3 leaving water temperature of heat exchange coil and pressure
Monitoring, controls flow of inlet water by water side temperature end difference.
More specifically, the waste heat boiler low-pressure coal saver bypass water inlet pipe 6 and condenser condensed water bypass water inlet pipe 7
Connectivity part is provided with water pump；5 effluent pipe mouth of return pipe is arranged in waste heat boiler low-pressure coal saver 9.
In the specific implementation process, the hot water from waste heat boiler low-pressure coal saver 9 and the condensed water from condenser are pressed
The temperature and flow for reaching requirement after certain proportion mixing are entered in heat exchange coil 3 with air heat-exchange by water pump, improve air
Temperature, effluent recycling is into waste heat boiler low-pressure coal saver 9.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (6)
1. a kind of air heating mechanism for combustion engine turbine gas handling system compressor inlet, it is characterised in that: put including anti-asthma
Tracheae (4), inlet air heating main pipe (1), anti-asthma deflation shunt valve (2), heat exchange coil (3), water inlet pipe and return pipe (5)；Wherein,
Bleeding point connector is connect between the anti-asthma bleeder pipe (4) and compressor (8) grade；The anti-asthma deflation shunt valve (2) respectively with
Anti-asthma bleeder pipe (4), inlet air heating main pipe (1) connection；Heat exchange coil (3) water inlet end is connect with water inlet pipe, the heat exchange
Coil pipe (3) water outlet is connect with return pipe (5)；The inlet air heating main pipe (1), heat exchange coil (3) setting enter in compressor (8)
At mouthful.
2. a kind of air heating mechanism for combustion engine turbine gas handling system compressor inlet according to claim 1,
It is characterized in that: in the junction of anti-asthma deflation shunt valve (2) and anti-asthma bleeder pipe (4), being provided with pumping heat control valve.
3. a kind of air heating mechanism for combustion engine turbine gas handling system compressor inlet according to claim 1,
Be characterized in that: the water inlet pipe includes waste heat boiler low-pressure coal saver bypass water inlet pipe (6) and condenser condensed water bypass water inlet
It manages (7), waste heat boiler low-pressure coal saver bypass water inlet pipe (6) is connected to condenser condensed water bypass water inlet pipe (7).
4. a kind of air heating mechanism for combustion engine turbine gas handling system compressor inlet according to claim 1,
Be characterized in that: return pipe (5) effluent pipe mouth is arranged in waste heat boiler low-pressure coal saver (9).
5. a kind of air heating mechanism for combustion engine turbine gas handling system compressor inlet according to claim 1,
It is characterized in that: being provided with temperature detector and hydraulic pressure detector on the heat exchange coil (3), water inlet pipe and return pipe (5).
6. a kind of air heating mechanism for combustion engine turbine gas handling system compressor inlet according to claim 3,
Be characterized in that: waste heat boiler low-pressure coal saver bypass water inlet pipe (6) is connected to condenser condensed water bypass water inlet pipe (7)
Place is provided with water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820403747.5U CN208431075U (en) | 2018-03-23 | 2018-03-23 | A kind of air heating mechanism for combustion engine turbine gas handling system compressor inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820403747.5U CN208431075U (en) | 2018-03-23 | 2018-03-23 | A kind of air heating mechanism for combustion engine turbine gas handling system compressor inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431075U true CN208431075U (en) | 2019-01-25 |
Family
ID=65105256
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820403747.5U Expired - Fee Related CN208431075U (en) | 2018-03-23 | 2018-03-23 | A kind of air heating mechanism for combustion engine turbine gas handling system compressor inlet |
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| CN (1) | CN208431075U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024034367A1 (en) * | 2022-08-10 | 2024-02-15 | 三菱重工業株式会社 | Suction heating system, operation method for suction heating system, and gas turbine system |
| WO2024034366A1 (en) * | 2022-08-10 | 2024-02-15 | 三菱重工業株式会社 | Intake air heating system, operation method for intake air heating system, and gas turbine system |
-
2018
- 2018-03-23 CN CN201820403747.5U patent/CN208431075U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024034367A1 (en) * | 2022-08-10 | 2024-02-15 | 三菱重工業株式会社 | Suction heating system, operation method for suction heating system, and gas turbine system |
| WO2024034366A1 (en) * | 2022-08-10 | 2024-02-15 | 三菱重工業株式会社 | Intake air heating system, operation method for intake air heating system, and gas turbine system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190125 Termination date: 20190323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |