CN203892024U - Gas turbine inlet gas anti-icing dehumidifier - Google Patents
Gas turbine inlet gas anti-icing dehumidifier Download PDFInfo
- Publication number
- CN203892024U CN203892024U CN201420292722.4U CN201420292722U CN203892024U CN 203892024 U CN203892024 U CN 203892024U CN 201420292722 U CN201420292722 U CN 201420292722U CN 203892024 U CN203892024 U CN 203892024U
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- heat exchanger
- mixed heat
- icing
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- 238000001816 cooling Methods 0.000 claims abstract description 20
- 238000002485 combustion reaction Methods 0.000 claims description 40
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 33
- 238000010586 diagram Methods 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a novel energy-saving gas turbine inlet gas anti-icing dehumidifier capable of reducing air humidity and preventing the gas compressor inlet and filter element from icing in winter without influencing the efficiency of the gas turbine. The device comprises a housing arranged at a gas turbine cooling air (TCA) outlet, an induced air pipeline, a control valve, a booster fan and a mixed heat exchanger arranged in the gas turbine filter element inlet front casing; and high-temperature air is collected by the housing, led out by the induced draft pipeline and pressurized by he booster fan, the high-temperature air enters the mixed heat exchanger, and outlet air of the mixed heat exchanger enters the gas turbine filter element. The hot air emitted by the cooling fan of the TCA cooler is led to the fan by the guide pipeline and is pressurized, wherein the control valve is used for controlling the flow rate of the hot air. The hot air pressurized by the fan is delivered to the mixed heat exchanger through the pipeline; the hot air is sprayed out by the sprayer on the side surface of the heat exchange tube and thoroughly mixed with the inlet gas of the gas turbine, and enters the inside of the gas compressor through the filter element.
Description
Technical field
The utility model is the anti-icing dehumidifier of a kind of gas turbine inlet air, is for the reducing energy consumption of Mitsubishi combustion machine system, has related to gas turbine, pipe-line system, dehumidifying is anti-icing and the field such as energy-conservation.
Background technique
M701F unit is a 9F level heavy combustion engine of east steam turbine Co., Ltd and MITSUBISHI's co-production.Ended for the end of the year 2012, domesticly have an operation of 16 M701F unit commitments, account for Chinese 9F level 27% of the unit that puts into operation.The 9F combustion machine of it and GE, SIEMENS is different in blade cooling system design, and M701F has adopted TCA cooler.Fig. 4 M701F blade cooling system schematic diagram.
TCA is turbine cooling-air cooler, and it is constructed as shown in Figure 5.It is cooled to 200 ℃ by three groups of fan air blast by gas compressor exhaust.Through TCA cooled cooling-air, be divided into two strands, the radial hole on a stock-traders' know-how first order wheel disc causes first order movable vane root, then flow into the hollow movable vane internal cooling channel of the first order carry out cooling after, from leaf top and blade trailing edge aperture, drain into main gas flow; Another strand of air axial bore on first order wheel disc flow to second and third, the cavity between level Four wheel disc, the radial hole through blade root slot bottom go cooling second and third, level Four wheel rim and blade root.Like this, make the air inlet side of every grade of impeller and the side of giving vent to anger have cooling-air to flow through, the surface of the combustion gas turbine impellers at different levels air that is all cooled surrounds, separate completely with combustion gas, cooling effect is fine, gas turbine inlet initial temperature, the in the situation that of 1400 ℃, has guaranteed that turbine can long-term safety operation.
The design of Cooling System of this uniqueness of Mitsubishi's gas turbine has effectively been protected the safe and stable operation of gas turbine turbine blade and main shaft, but the used heat of its TCA cooler fan can effectively not utilize, and has externally caused certain thermo-pollution.
Summary of the invention
Design philosophy of the present utility model is to utilize the used heat of the cooling air system discharge of Mitsubishi's combustion machine uniqueness, design and a kind ofly can reduce humidity of the air, prevent winter gas compressor entrance and filter core freeze, do not affect the anti-icing dehumidifier of novel energy-conserving combustion machine air inlet of the efficiency of gas turbine own simultaneously.
the purpose of this utility model realizes by following measures:
The anti-icing dehumidifier of a kind of gas turbine inlet air, comprise and be located at case, induced pipe, control valve, the pressure blower at combustion machine TCA cooling air outlet place and be located at the mixed heat exchanger in the anterior casing of combustion machine filter core import, high temperature air is drawn by induced pipe after case collects, after pressure blower pressurization, high temperature air enters mixed heat exchanger, and giving vent to anger of mixed heat exchanger enters combustion machine filter core.
Further design of the present utility model is, described mixed heat exchanger upper/lower terminal is linking box pipe, between two linking box pipe, arrange many mixed heat transfer pipes, each mixed heat transfer pipe is arranged perpendicular to the airintake direction of gas turbine inlet air system, each mixed heat transfer pipe side is provided with some heat exchange nozzles simultaneously, hot air flows out and mixes with cool air from heat exchange nozzle, and the air of heating enters combustion machine filter core.
The air outlet tube of pressure blower is communicated with the linking box pipe of upper/lower terminal through flange pipe respectively.
the utlity model has following advantage:
The utility model is for the distinctive TCA(rotor of Mitsubishi combustion machine cooling-air cooler) UTILIZATION OF VESIDUAL HEAT IN of system.TCA system is that Mitsubishi's combustion machine is for the cooler of cooled rotor and movable vane cooling-air.It passes to rock gas by heat exchanger by gas compressor exhaust gas heat, is provided with three cooling fans simultaneously in heat exchanger bottom.Cooling fan is sent into large quantity of air in heat exchanger, takes away the waste heat of gas compressor exhaust.
By system analysis and heating power, calculate, utilize the hot air that TCA discharges combustion machine inlet air temperature can be improved to 4 ℃ of left and right, improved intake air relative moisture, prevent that filter core and compressor inlet stator (IGV) from freezing.The anti-icing dehumidifier of this air inlet is different from the air inlet deicer that conventional Ran Ji manufacturer is equipped with.It is arranged in the front portion of air inlet filter core, not only can prevent that IGV from freezing, and can protect filter core, prevents that filter core from freezing and the generation of wet stifled phenomenon.
Mainly contain following feature:
(1) energy-conserving and environment-protective.When making full use of system self energy, reduced to fire the thermo-pollution of dynamo-electric factory.
(2) safe and reliable.The utility model thermal source adopts the used heat of TCA discharge, does not relate to the Energy transfer of combustion machine body, therefore can not have influence on the security of operation of combustion machine self.Meanwhile, system of the present invention is simple, and control logic is clear, and operation maintenance is easy, and reliability is high.
(3) improve combustion engine efficiency.Because native system is from firing machine ontology extraction hot air or steam as heating source, therefore can not affect combustion engine efficiency.Meanwhile, inlet air heating can reduce the filter screen resistance of gas handling system under the high humidity weather such as sleet, reduces power input to compressor, thereby improves the efficiency of gas turbine whole system.
(4) invest less.The utility model is simple in structure, and main device is induced pipe and mixed heat exchanger, and can save air inducing blower fan in combustion machine system with good conditionsi.Therefore the present invention has higher investment repayment ratio.
The utility model is applicable to the transformation of Mitsubishi combustion machine TCA system, the area of especially more at the northern sleety weather of China and long-term high humidity.Because native system does not carry out operation to combustion machine body, therefore do not relate to combustion machine ontological security problem, there is very strong exploitativeness.
Accompanying drawing explanation
The anti-icing dehumidifier schematic diagram of Fig. 1 gas turbine inlet air;
Fig. 2 mixed heat exchanger front view;
Fig. 3 heat exchanging tube schematic diagram;
Fig. 4 M701F blade cooling system schematic diagram;
Fig. 5 TCA working principle schematic diagram.
Wherein, in Fig. 1, Fig. 2: 1-gas turbine blower, 2-gas turbine inlet air system, 3-mixed heat exchanger, 4-combustion machine filter core, 5-pressure blower, 6-control valve, 7-induced pipe, 8-TCA cooler, 9-mixed heat transfer pipe, 10-heat exchange nozzle, 11-linking box pipe, 12-flange pipe, the perforate of 13-heat exchanging tube
In Fig. 4, Fig. 5: 14-gas turbine blower, 15-gas-turbine combustion chamber, 16-gas turbine combustion gas turbine, 17-combustion gas turbine stator blade cooling-air, 18-turbine rotor cooling-air cooler (TCA), 19-TCA cooling fan, 20-air cooled heat exchanger, 21-heated by natural gas heat exchanger.
Embodiment
Gas turbine carries air inlet deicer and is generally arranged in gas handling system essence filter rear portion at present, is mainly used in preventing that the air inlet of compressor inlet stator is icing, cannot solve the icing and wet stifled problem of filter core, and the utility model has solved.
principle analysis of the present utility model is as follows:
As shown in Figure 1, by TCA(turbine cooling-air) the cooler 8 cooling fans hot air of discharging, by drawing pipeline 7, cause blower fan 5 places and carry out supercharging, wherein control valve 6 is for controlling the flow of hot air.Hot air after blower fan 5 pressurizations is by Pipeline transport to mixed heat exchanger 3, and hot air, from the ejection of heat exchanging tube side nozzle, by filter core enters into gas compressor inside after fully mixing with the air inlet of combustion machine.
As shown in Figure 2, hot air enters heat exchanger inside by the flange pipe 12 in upper and lower two linking box pipe 11 to the anti-icing dehumidifier of the utility model air inlet mixed heat exchanger 3 used.Between linking box pipe, be furnished with many mixed heat transfer pipes 9, hot air enters heat exchanging tube in linking box pipe, then sprays by the nozzle of heat exchanging tube both sides.
The anti-icing dehumidifier of the utility model gas turbine inlet air thermal source used is the combustion machine TCA of Mitsubishi cooler cooling fan institute thermal wind exhausting, and its relevant parameter is as follows:
| Separate unit blower fan | 14.1m3/s |
| Two Fans | 28.2m3/s(winter) |
| Three Fans | 39.5m3/s (summer) |
| Fan outlet air temperature | 110 ℃-130 ℃ (winter) |
The specified air inflow of M701F type combustion machine is for being generally 684 kg/s, and TCA blower fan flow of (air density 0.898 kg/m3) under 120 ℃ of qualitative temperatures is: separate unit 12.7 kg/s, two Fans 25.3 kg/s, three Fans 35.5 kg/s.Can calculate the maximum heating ability under its winter condition according to thermodynamic principle with this understanding.
Above formula calculation specifications, under operating mode, the air quantity maximum of TCA two Fans operations can be by the combustion machine inlet air heating to 4.8 ℃ of 0 ℃ in the winter time.Due to when temperature is lower, the ratio thermal change of air is less, therefore can be similar to and think that this heating system can be by 4.8 ℃ of the inlet air heatings of gas turbine, thereby guarantee combustion machine air inlet wet bulb depression in safety range with interior and reduce air inlet relative moisture, prevent that air inlet from freezing and the generation of wet stifled phenomenon.
embodiment two
The M701F3 of Ben Liyi Mitsubishi unit is example, and the anti-icing dehumidifier system architecture of its air inlet as shown in Figure 1.The anti-icing dehumidifier of gas turbine inlet air of the present utility model comprises and is located at case, induced pipe 7, control valve 6, the pressure blower 5 at combustion machine TCA cooling air outlet place and is located at the mixed heat exchanger 3 in the anterior casing of combustion machine filter core import, high temperature air is drawn by induced pipe 7 after case collects, after pressure blower 5 pressurizations, high temperature air enters mixed heat exchanger 3, and giving vent to anger of mixed heat exchanger 3 enters combustion machine filter core 4.
Mixed heat exchanger upper/lower terminal is linking box pipe, between two linking box pipe, arrange many mixed heat transfer pipes 9, each mixed heat transfer pipe 9 is arranged perpendicular to the airintake direction of gas turbine inlet air system, each mixed heat transfer pipe 9 side is provided with some heat exchange nozzles 10 simultaneously, hot air flows out and mixes with cool air from heat exchange nozzle 10, and the air of heating enters combustion machine filter core 4.The air outlet tube of pressure blower 5 is communicated with the linking box pipe 11 of upper/lower terminal through flange pipe 12 respectively.
During work, TCA(turbine cooling-air) hot air that cooler 8 cooling fans are discharged, causes blower fan 5 places and carries out supercharging by drawing pipeline 7, and wherein control valve 6 is for controlling the flow of hot air.Hot air after pressure blower 5 pressurization by Pipeline transport to mixed heat exchanger 3.It is anterior that in the utility model, mixed heat exchanger 3 is arranged in combustion machine filter core, can effectively prevent the icing phenomenon of the filter core causing because of air inlet crushing.
Hot air enters heat exchanger inside by the flange pipe 12 in upper and lower two linking box pipe 11.Between linking box pipe, be furnished with many mixed heat transfer pipes 9.Hot air enters heat exchanging tube 9 in linking box pipe 11, then sprays by the nozzle of heat exchanging tube both sides.Heat exchange nozzle 10 Main Functions are that hot air is fully blended in the air inlet of combustion machine, fire machine air inlet simultaneously and when flowing through heat exchange nozzle 10, produce turbulence, strengthening mixed heat transfer effect.
Induced draught fan 5 in the utility model is better at pipeline condition, in the dynamo-electric factory of combustion that air inducing resistance is less, can cancel, and further reduces the engineering cost of the anti-icing dehumidification system of air inlet, reduces the workload of regular maintenance simultaneously.For induced pipe complicated layout, the dynamo-electric factory of combustion that pipeline is longer can adopt the form of heat exchanging tube shown in Fig. 3, to reduce flow resistance and the energy consumption of whole system when using induced draught fan 5.
The utility model is the anti-icing dehumidifier of a kind of energy-conservation reliable gas turbine inlet air, it is simple that it has system, easy to maintenance, the feature that investment cost is economized, gas turbine inlet air filter screen pressure reduction when can be good at ensureing the safety and stability of gas turbine inlet air system and reducing sleet, high humidity weather, improves combustion machine running efficiency of system.
Claims (3)
1. the anti-icing dehumidifier of gas turbine inlet air, it is characterized in that: comprise and be located at case, induced pipe, control valve, the pressure blower at combustion machine turbine cooling-air cooler cooling air outlet place and be located at the mixed heat exchanger in the anterior casing of combustion machine filter core import, high temperature air is drawn by induced pipe after case collects, after pressure blower pressurization, high temperature air enters mixed heat exchanger, and giving vent to anger of mixed heat exchanger enters combustion machine filter core.
2. the anti-icing dehumidifier of gas turbine inlet air according to claim 1, it is characterized in that: described mixed heat exchanger upper/lower terminal is linking box pipe, between two linking box pipe, arrange many mixed heat transfer pipes, each mixed heat transfer pipe is arranged perpendicular to the airintake direction of gas turbine inlet air system, each mixed heat transfer pipe side is provided with some heat exchange nozzles simultaneously, hot air flows out and mixes with cool air from heat exchange nozzle, and the air of heating enters combustion machine filter core.
3. according to the anti-icing dehumidifier of gas turbine inlet air described in claim 1 or 2, it is characterized in that: the air outlet tube of pressure blower is communicated with the linking box pipe of upper/lower terminal through flange pipe respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420292722.4U CN203892024U (en) | 2014-06-04 | 2014-06-04 | Gas turbine inlet gas anti-icing dehumidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420292722.4U CN203892024U (en) | 2014-06-04 | 2014-06-04 | Gas turbine inlet gas anti-icing dehumidifier |
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| Publication Number | Publication Date |
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| CN203892024U true CN203892024U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420292722.4U Expired - Lifetime CN203892024U (en) | 2014-06-04 | 2014-06-04 | Gas turbine inlet gas anti-icing dehumidifier |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089440A (en) * | 2016-06-13 | 2016-11-09 | 金能科技股份有限公司 | A kind of gas turbine inlet dehumanization method and system |
| CN106215639A (en) * | 2016-08-10 | 2016-12-14 | 广东惠州天然气发电有限公司 | The application in combustion engine of combustion engine dehumidification structure, dehumidifier and dehumidification control method thereof |
| US10443497B2 (en) | 2016-08-10 | 2019-10-15 | Rolls-Royce Corporation | Ice protection system for gas turbine engines |
| CN112325369A (en) * | 2020-11-21 | 2021-02-05 | 西安热工研究院有限公司 | Heating system using waste heat of gas turbine |
| CN112780509A (en) * | 2019-11-01 | 2021-05-11 | 新疆金风科技股份有限公司 | Air cooling system, wind generating set and cooling method thereof |
| CN114718733A (en) * | 2021-12-04 | 2022-07-08 | 中国船舶工业系统工程研究院 | Gas turbine air inlet anti-icing device and ship |
| AU2020375666B2 (en) * | 2019-11-01 | 2024-03-21 | Goldwind Science & Technology Co., Ltd. | Air cooling system, wind turbine generator unit and cooling method therefor |
-
2014
- 2014-06-04 CN CN201420292722.4U patent/CN203892024U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089440A (en) * | 2016-06-13 | 2016-11-09 | 金能科技股份有限公司 | A kind of gas turbine inlet dehumanization method and system |
| CN106215639A (en) * | 2016-08-10 | 2016-12-14 | 广东惠州天然气发电有限公司 | The application in combustion engine of combustion engine dehumidification structure, dehumidifier and dehumidification control method thereof |
| US10443497B2 (en) | 2016-08-10 | 2019-10-15 | Rolls-Royce Corporation | Ice protection system for gas turbine engines |
| CN112780509A (en) * | 2019-11-01 | 2021-05-11 | 新疆金风科技股份有限公司 | Air cooling system, wind generating set and cooling method thereof |
| AU2020373587B2 (en) * | 2019-11-01 | 2024-03-07 | Goldwind Science & Technology Co., Ltd. | Air cooling system, wind turbine generator unit and cooling method therefor |
| AU2020375666B2 (en) * | 2019-11-01 | 2024-03-21 | Goldwind Science & Technology Co., Ltd. | Air cooling system, wind turbine generator unit and cooling method therefor |
| CN112325369A (en) * | 2020-11-21 | 2021-02-05 | 西安热工研究院有限公司 | Heating system using waste heat of gas turbine |
| CN114718733A (en) * | 2021-12-04 | 2022-07-08 | 中国船舶工业系统工程研究院 | Gas turbine air inlet anti-icing device and ship |
| CN114718733B (en) * | 2021-12-04 | 2023-09-19 | 中国船舶工业系统工程研究院 | Gas turbine inlet anti-icing device and ship |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |