CN108194203A - A kind of branch's cooling structure for industry gas turbine box-transfer story - Google Patents
A kind of branch's cooling structure for industry gas turbine box-transfer story Download PDFInfo
- Publication number
- CN108194203A CN108194203A CN201711373570.5A CN201711373570A CN108194203A CN 108194203 A CN108194203 A CN 108194203A CN 201711373570 A CN201711373570 A CN 201711373570A CN 108194203 A CN108194203 A CN 108194203A
- Authority
- CN
- China
- Prior art keywords
- cooling air
- cooling
- box
- branch
- gas turbine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—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
Abstract
The invention belongs to steam turbine equipment technical fields, more particularly to a kind of branch's cooling structure for industry gas turbine box-transfer story, which includes being located at the first cooling air air inlet at top and the second cooling air air inlet, upper plate, two top cooling air gas outlet, two top guide supports, two lower support stents and two lower parts cooling air gas outlet;The section of first cooling air air inlet and the second cooling air air inlet is identical;The section of two top cooling air gas outlet is identical;The section of two lower parts cooling air gas outlet is identical.This structure has cooling air outlets more more than conventional chilling structure, and four cooling air outlets are arranged in box-transfer story multiple and different spaces above and below.Using branch's cooling structure, in the case where not changing even reduction cooling air supply amount, Temperature Distribution in box-transfer story can be improved, reduce temperature of key part, ensure box installed in-vivo device safe operation.
Description
Technical field:
The invention belongs to steam turbine equipment technical fields, and in particular to a kind of branch for industry gas turbine box-transfer story cools down
Structure.
Background technology:
Gas turbine is a kind of typical conventional fuel power plant, it has, and small, power is big, light-weight and startup is fast etc.
Feature is widely used in the industrial core realm such as aviation, electric power, naval vessel and natural gas transportation.Gas turbine is totally-enclosed
Box-transfer story in when running, the hot-air of casing radiation, the convection current of hot surface and flange etc. leakage can make box installed body temperature
Drastically increase.According to the actual motion present situation of existing industrial unit, when gas turbine expires operating mode operation, certain industrial combustion gas
Turbine box installed is embodied with cooling structure scarce capacity, the temperature drift of cabinets cavity room, in the probe of fire-fighting system, box-transfer story
Cable etc. is often because high temperature leads to failure.In addition, for the gas turbine using bifuel system, natural gas system is typically located at
Box house, according to the explosive-proof grade requirement of equipment, the operating temperature range of associated satellite equipment and element is no more than 75 DEG C.
Therefore, it is necessary to which the cooling structure to box-transfer story optimizes, box-transfer story internal temperature field is made to meet related request.
To box-transfer story(Or heat shield)Research be concentrated mainly on the following aspects:First, carry out stress field and temperature field
Conventional analysis, such as contain big et al. the temperature field having studied during 600MW supercritical pressure turbine cold start in heat shield,
Stress field and combined stress field have found the position that suffered stress is most concentrated.Second is that the research to babinet sound insulation property, such as Wang Xu
Et al. give the related acoustic design parameters of S1A-02 box-transfer stories, and carried out sound insulation calculate;Zhao answers dragon et al. to acoustic hood
Insertion loss and the ventilation and heat problem of equipment dissected;Thank Jianping et al. have studied sound insulation body structure set with acoustics
Meter method;Cui Ning et al. has carried out the comparative analysis of vibration noise to the exhaust heat shield of two kinds of different materials.Third, to box installed
The system research of body exhaust injector, as Li Dongming et al. is determined in influence and injector of the ejector structure to mass ratio of induced-to-inducing air
The flow parameter distribution in portion;Li Xueliang et al. is analyzed and has been studied to the specificity analysis of injector;KOURTA.A and
KHODADADI.J.M et al. has studied the influence of different jet structure injector performance;Han Yunlei and Shi Cuixia etc. is to combustion peculiar to vessel
Gas-turbine exhaust injector has carried out numerical simulation and simulation optimization analysis.In addition, Cui Jianwei et al. is to the gas in box-transfer story
Purification techniques has carried out certain research.From open source information, it there is no what is optimized for box-transfer story cooling structure
Work.
Gas turbine module common problem is at present:When being cooled down to gas turbine, scarce capacity, only
Certain demand can be met, when gas turbine is close to during full operating mode operation, case body temperature is excessively high, especially the meeting of base plate vicinity temperature
More than the explosive-proof grade requirement of equipment, there are some potential safety problemss.
Invention content:
The object of the present invention is to provide a kind of branch's cooling structures for industry gas turbine box-transfer story, are cooled down using the branch
Structure in the case where not changing even reduction cooling air supply amount, can improve Temperature Distribution in box-transfer story, reduce key portion
Position temperature, ensures box installed in-vivo device safe operation.
The technical solution adopted by the present invention is:A kind of branch's cooling structure for industry gas turbine box-transfer story, this point
Branch cooling structure is included positioned at the first cooling air air inlet at top and the second cooling air air inlet, upper plate, on two
Portion cooling air gas outlet, two top guide supports, two lower support stents and two lower parts cooling air gas outlet.
Further, the section of the first cooling air air inlet and the second cooling air air inlet is identical.
Further, the section of described two top cooling air gas outlets is identical.
Further, the section of described two lower part cooling air gas outlets is identical
Beneficial effects of the present invention:Conventional box-transfer story cooling structure is only slotted on top, and cooling air full and uniform can not flow
To box-transfer story everywhere.This structure has cooling air outlets more more than conventional chilling structure, and four cooling air outlets
Box-transfer story multiple and different spaces above and below are arranged in, cooling caused by technically solving conventional chilling structure is insufficient
The problem of.Using branch's cooling structure, in the case where not changing even reduction cooling air supply amount, box-transfer story can be improved
Interior Temperature Distribution reduces temperature of key part, ensures box installed in-vivo device safe operation.
Description of the drawings:
Fig. 1 the structural representation of present invention;
Fig. 2 is the schematic diagram that the present invention applies in gas turbine module.
Specific embodiment:
With reference to Fig. 1, a kind of branch's cooling structure for industry gas turbine box-transfer story, branch's cooling structure includes being located at top
The first cooling air air inlet 1 and the second cooling air air inlet 3,2, two top of upper plate cooling air gas outlet 4, two
A 5, two lower support stents 6 of top guide support and two lower parts cooling air gas outlet 7;First cooling air into
Gas port 1 is identical with the section of the second cooling air air inlet 3;The section of described two top cooling air gas outlets 4 is identical;Institute
The section for stating two lower parts cooling air gas outlet 7 is identical.
Branch's cooling structure for industry gas turbine box-transfer story uses branched form, by cooling air air inlet
Mouth, branch stent, cooling air gas outlet are formed.Cooling air air inlet is made of the section of two area equations, ensure from
The air mass flow that cooling air air inlet enters cooling structure is equal;Branch stent is by top guide support 5 and lower support branch
Frame 6 forms, and there are inner flow passage, top guide support 5 is cold for cooling air to be guided from cooling air air inlet to flow to top
But air outlet and lower support stent 6, lower support stent 6 are used to bear the weight of entire cooling structure, and draw
Cooling air is led to flow out through lower part cooling air gas outlet;There are four cooling air gas outlets, is divided into top cooling air outlet
Mouthful and two groups of lower part cooling air gas outlet, every group of section by two area equations form, for will be in branch's cooling structure
Cooling air draw and blow to industry gas turbine box-transfer story.To improve Temperature Distribution in box-transfer story, reduce key position temperature
Degree ensures box installed in-vivo device safe operation.
As shown in Fig. 2, branch's cooling structure 8 is mounted in gas turbine module 9, this structure has than conventional chilling
The more cooling air outlets of structure, and four cooling air outlets are arranged in box-transfer story multiple and different spaces above and below.
Cooling air enters from the cooling air gas outlet for being distributed in 9 different location of gas turbine module, can be formed in box-transfer story
Spatial mixing air-flow reduces box installed body temperature, and insufficient ask is cooled down caused by technically solving conventional chilling structure
Topic, it is ensured that the safe and stable operation of gas turbine 10 and other electrical equipments.
Rectangular channel is opened at 9 top of industry gas turbine box-transfer story, area is upper plate 2 and two cooling air air inlets
The sum of, and shape is identical with the compound section of above-mentioned two structure.Cooling air is fed from box-transfer story 9 is outer by cooling blower, from
Two cooling air air inlets on 2 side of upper plate enter, and when flowing through top guide support 5, a part of cooling air is from two
Top cooling air gas outlet 4 flows out into 9 upper space of gas turbine module.Remaining cooling air is through lower support branch
The inner hollow runner of frame 6 flows downward, and the box-transfer story of gas turbine is flowed out into from two lower parts cooling air gas outlet 7
9 lower spaces.The above-mentioned cooling air into industry gas turbine box-transfer story 9 can form space in multiple positions in box-transfer story
Mixed airflow reduces box installed body temperature, ensures gas turbine and other electrical equipment safe and stable operations.
Claims (4)
1. a kind of branch's cooling structure for industry gas turbine box-transfer story, it is characterised in that:Branch's cooling structure includes
The first cooling air air inlet positioned at top(1)With the second cooling air air inlet(3), upper plate(2), two top coolings
Air outlet(4), two top guide supports(5), two lower support stents(6)And two lower parts cooling air gas outlet
(7).
2. a kind of branch's cooling structure for industry gas turbine box-transfer story according to claim 1, it is characterised in that:
The first cooling air air inlet(1)With the second cooling air air inlet(3)Section it is identical.
3. a kind of branch's cooling structure for industry gas turbine box-transfer story according to claim 1, it is characterised in that:
Described two top cooling air gas outlets(4)Section it is identical.
4. a kind of branch's cooling structure for industry gas turbine box-transfer story according to claim 1, it is characterised in that:
Described two lower part cooling air gas outlets(7)Section it is identical.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711373570.5A CN108194203A (en) | 2017-12-19 | 2017-12-19 | A kind of branch's cooling structure for industry gas turbine box-transfer story |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711373570.5A CN108194203A (en) | 2017-12-19 | 2017-12-19 | A kind of branch's cooling structure for industry gas turbine box-transfer story |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108194203A true CN108194203A (en) | 2018-06-22 |
Family
ID=62576941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711373570.5A Pending CN108194203A (en) | 2017-12-19 | 2017-12-19 | A kind of branch's cooling structure for industry gas turbine box-transfer story |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108194203A (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5000005A (en) * | 1988-08-17 | 1991-03-19 | Rolls-Royce, Plc | Combustion chamber for a gas turbine engine |
US20070249279A1 (en) * | 2006-04-20 | 2007-10-25 | Ranjit Jangili | System and apparatus for enclosing equipment |
US20080127652A1 (en) * | 2004-12-16 | 2008-06-05 | Heinrich Putz | Heat Shield Element |
CN201236746Y (en) * | 2008-07-25 | 2009-05-13 | 中国船舶重工集团公司第七○三研究所 | Air-intake atomizing type vaporization cooling and wet compression system of gas turbine |
JP2012047181A (en) * | 2011-10-31 | 2012-03-08 | Mitsubishi Heavy Ind Ltd | Gas turbine combustor and gas turbine |
US20120117973A1 (en) * | 2010-11-17 | 2012-05-17 | Rolls-Royce Deutschland Ltd & Co Kg | Gas-turbine combustion chamber with a cooling-air supply device |
US20150345400A1 (en) * | 2012-12-29 | 2015-12-03 | United Technologies Corporation | Frame junction cooling holes |
CN107076416A (en) * | 2014-08-26 | 2017-08-18 | 西门子能源公司 | Film cooling aperture apparatus for the acoustic resonator in gas-turbine unit |
CN207554199U (en) * | 2017-12-19 | 2018-06-29 | 中国船舶重工集团公司第七0三研究所 | A kind of branch's cooling structure for industry gas turbine box-transfer story |
-
2017
- 2017-12-19 CN CN201711373570.5A patent/CN108194203A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5000005A (en) * | 1988-08-17 | 1991-03-19 | Rolls-Royce, Plc | Combustion chamber for a gas turbine engine |
US20080127652A1 (en) * | 2004-12-16 | 2008-06-05 | Heinrich Putz | Heat Shield Element |
US20070249279A1 (en) * | 2006-04-20 | 2007-10-25 | Ranjit Jangili | System and apparatus for enclosing equipment |
CN201236746Y (en) * | 2008-07-25 | 2009-05-13 | 中国船舶重工集团公司第七○三研究所 | Air-intake atomizing type vaporization cooling and wet compression system of gas turbine |
US20120117973A1 (en) * | 2010-11-17 | 2012-05-17 | Rolls-Royce Deutschland Ltd & Co Kg | Gas-turbine combustion chamber with a cooling-air supply device |
JP2012047181A (en) * | 2011-10-31 | 2012-03-08 | Mitsubishi Heavy Ind Ltd | Gas turbine combustor and gas turbine |
US20150345400A1 (en) * | 2012-12-29 | 2015-12-03 | United Technologies Corporation | Frame junction cooling holes |
CN107076416A (en) * | 2014-08-26 | 2017-08-18 | 西门子能源公司 | Film cooling aperture apparatus for the acoustic resonator in gas-turbine unit |
CN207554199U (en) * | 2017-12-19 | 2018-06-29 | 中国船舶重工集团公司第七0三研究所 | A kind of branch's cooling structure for industry gas turbine box-transfer story |
Non-Patent Citations (2)
Title |
---|
张勃;李继保;吉洪湖;尚守堂;程明;王艳丽;: "冲击-多斜孔壁复合冷却中冲击孔与多斜孔面积比对换热特性的影响", 航空动力学报, no. 10, pages 2235 - 2240 * |
张智博;张晓云;李贝贝;孙鹏;: "某工业型燃气轮机箱装体冷却结构优化设计", 热科学与技术, no. 05, pages 424 - 430 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2436988C2 (en) | Turbo-jet plant for aircraft | |
CN205316921U (en) | Effectual interior circulating hot air stoving case of drying | |
CN101702492A (en) | Wind and water cooling system of switch cabinet | |
CN107416214B (en) | Air inlet ventilation structure for auxiliary power system of airplane | |
CN207554199U (en) | A kind of branch's cooling structure for industry gas turbine box-transfer story | |
CZ20638U1 (en) | Free fall simulator | |
JP2009162474A (en) | Cooling structure for body of crystal-growing furnace | |
CN201623387U (en) | Inner cooling device of switch cabinet | |
CN104595036B (en) | The temperature barrier of equipment in the engine room of turbogenerator | |
CN108194203A (en) | A kind of branch's cooling structure for industry gas turbine box-transfer story | |
US20070249279A1 (en) | System and apparatus for enclosing equipment | |
CN105275619A (en) | Frostproof method suitable for aerospace engine precooler | |
MY149564A (en) | Air conditioning method and apparatus for clean room | |
CN103547125B (en) | A kind of high dehumidifying generator set box | |
CN202121227U (en) | High voltage electrical equipment cabinet body | |
CN203352422U (en) | Wind energy converter system | |
CN204402767U (en) | For sink and the wind power generating set of wind power generating set | |
CN104564538B (en) | Heat abstractor and wind power generating set for wind power generating set | |
CN103782030B (en) | The wind turbine of tower wall reinforcing body is guided with circle-shaped air | |
CN211151260U (en) | Ventilation device for electric substation transformer cabinet | |
JP2015218947A (en) | Air conditioning system | |
CN202434922U (en) | Heat radiation structure of wind power converter cabinet | |
CN207763127U (en) | Air-conditioner set and module machine | |
CN206504411U (en) | Air-conditioning between a kind of row of novel layouts | |
CN204586421U (en) | Automotive air conditioning device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |