CN202690227U - Complete set structure of gas turbine unit - Google Patents
Complete set structure of gas turbine unit Download PDFInfo
- Publication number
- CN202690227U CN202690227U CN 201220191200 CN201220191200U CN202690227U CN 202690227 U CN202690227 U CN 202690227U CN 201220191200 CN201220191200 CN 201220191200 CN 201220191200 U CN201220191200 U CN 201220191200U CN 202690227 U CN202690227 U CN 202690227U
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- gas turbine
- generator
- box body
- gas
- nested structure
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Abstract
The utility model provides a complete set structure of a gas turbine unit. The complete set structure comprises a gas turbine box body and a generator box body which are connected together by a coupler; and all the relatively independent systems in the complete set structure adopt the structural design of a skid-mounted body. A gas turbine is arranged in the gas turbine box body; a generator is arranged in the generator box body; the gas turbine is connected with the generator in a non-coaxial way, namely, the gas turbine is connected with a reduction gearbox by a high-speed coupler and the reduction gearbox is connected with the generator by a low-speed coupler; a gas generator lubrication system, a gas supplying and regulation system and a sewage system are further arranged in the gas turbine box body; a power turbine heat shield air renewal system is arranged above the gas turbine box body; an auxiliary engine lubricating system is further arranged in the generator box system; and a cooling water system is arranged on one side of the generator box body. The complete set structure of the gas turbine unit is rational in structure and convenient to mount, and maximally optimizes the generating efficiency and generating stability of the gas turbine.
Description
Technical field
The utility model belongs to the dynamic power machine technical field, and particularly a kind of QD128 gas turbine unit becomes the design of nested structure.
Background technique
By the generation power device that gas turbine and generator set form, to compare with the steam turbine power generation unit, this set structure is fairly simple, and supplementary equipment is less, thereby investment, occupation of land, cost of electricity-generating are all low than the former.Add that the gas turbine volume is little, lightweight, starting is fast, do not need a large amount of waters.So the application development of this unit in power industry is very fast since the seventies, annual growth rate reaches 14%-21%.
Have at present multiple boat change the combustion machine come into operation or begin the development.The Kunlun turbojet engine changes the QD128 gas turbine and borrows West-East National Gas Transmission Project to be born.QD128 is by the joint research and development such as aeroengine company and Shenyang engine research institute (606) at dawn, and gas generator is improved by the Kunlun, and power turbine uses mature technology, has utilized the Kunlun parts more than 90%.Unit output power 12800KW, the thermal efficiency 30%.But adopt generation power device that QD128 gas turbine and generator set form at home so that the world be blank so far.
Summary of the invention
The purpose of this utility model provides a kind of gas turbine unit and becomes nested structure, and it is rational in infrastructure, and is easy for installation, makes the generating efficiency of gas turbine and power generation stabilization aspect all reach optimization.
The technical solution of the utility model: gas turbine unit becomes nested structure, comprises combustion box body and generator casing body two large divisions, and the two large divisions links together by coupling, and relatively independent system all adopts the design of skid body structure in the machine composition nested structure.
The combustion box body is installed on the combustion machine base, be provided with gas turbine in the combustion box body, generator casing body is installed on the generator base, be provided with generator in the generator casing body, adopt different axle mode to connect between gas turbine and the generator, be that gas turbine is connected with reduction gear box by high-speed coupling, reduction gear box is connected with generator by low-speed shaft coupler.
Also be provided with gas generator lubrication system, fuel gas supply and regulating system and drainage in the combustion box body, the top of combustion box body is provided with power turbine thermal shield air exchange system; Also be provided with the subsidiary engine lubrication system in the generator casing body, cooling water system is installed in a side of generator casing body.
Ladder and platform are equipped with away in the side of described combustion box body; The interior outside of generator casing body is provided with Inspection and maintenance with walking on stage.
What described gas turbine adopted is the QD128 gas turbine.
The beneficial effects of the utility model: 1. be convenient to install, be convenient to migration: since adopt the skid-mounted structural design make equipment production, be assembled in the factory and can finish, the on-site installation work amount is few, only need finish the connection of interface pipeline and external electrical and just can work; Because functional unit is integrated in unsplit bedplate, easily a bulk migration; 2. compact to design, floor space is little: the skid-mounted compact equipment, reduce occupation of land than traditional mounting type; 3. owing in the complete mechanism of unit, be provided with gas generator lubrication system, fuel gas supply and regulating system, drainage, power turbine thermal shield air exchange system, subsidiary engine lubrication system and cooling water system, make the complete mechanism of gas turbine unit its generating efficiency and stability when operation reach optimization; 4. owing in the side of combustion box body ladder and platform are housed away, the interior outside of generator casing body is provided with Inspection and maintenance with walking on stage, and these have all made things convenient for maintenance and the inspection of maintainer to set structure.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The 1-gas handling system; 2-fires box body; The 3-gas turbine; 4-power turbine thermal shield air exchange system; The 5-high-speed coupling; The 6-reduction gear box; The 7-low-speed shaft coupler; The 8-generator; The 9-generator casing body; The 10-CO2 extinguishing system; 11-hydraulic starting and control oil system; 12-gas generator lubrication system; 13-fuel gas supply and regulating system; 14-fires machine base; 15-subsidiary engine lubrication system; The 16-generator base; The 17-cooling water system; 18-walks ladder, platform or walks on stage; The 19-drainage.
Embodiment
As shown in Figure 1, gas turbine unit becomes nested structure, comprises combustion box body 2 and generator casing body 9 two large divisions, and the two large divisions links together by coupling, and relatively independent system all adopts the design of skid body structure in the machine composition nested structure.
Combustion box body 2 is installed on the combustion machine base 14, be provided with gas turbine 3 in the combustion box body 2, generator casing body 9 is installed on the generator base 16, be provided with generator 8 in the generator casing body 9, adopt different axle mode to connect between gas turbine 3 and the generator 8, be that gas turbine 3 is connected with reduction gear box 6 by high-speed coupling 5, reduction gear box 6 is connected with generator 8 by low-speed shaft coupler 7.
Also be provided with gas generator lubrication system 12, fuel gas supply and regulating system 13 and drainage 19 in the combustion box body 2, the top of combustion box body 2 is provided with power turbine thermal shield air exchange system 4; Also be provided with subsidiary engine lubrication system 15 in the generator casing body 9, cooling water system 17 is installed in a side of generator casing body 9.
Ladder and platform are equipped with away in the side of described combustion box body 2; The interior outside of generator casing body 9 is provided with Inspection and maintenance with walking on stage.
What described gas turbine 3 adopted is the QD128 gas turbine.
The QD128 gas turbine comprises gas generator, power turbine and other auxiliary systems, and gas generator mainly is comprised of 4 grades of low pressure compressors, 7 grades of high-pressure compressors, annular combustion chamber, 1 grade of high-pressure turbine, 1 grade of low-pressure turbine, air system, transmission system and lubrication systems.It is little that annular combustion chamber has physical dimension, lightweight, and combustion efficiency is high, pollutes the advantages such as little.
Working principle: gas enters into gas turbine 3 by gas handling system 1, gas generator on the gas turbine 3 connects gas compressor, gas compressor pressurized air enters in the firing chamber, do work with the fuel mix after-combustion, and then drive rear portion turbine, turbine is connected with reduction gear box 6 by high-speed coupling 5, reduction gear box 6 be Gas Turbine Power secondary speed 4700 is turned/min speed change to 3000 turns/min or 1500 turns/min, reduction gear box 6 is connected to drive generator 8 generatings by low-speed shaft coupler 7 and generator 8.
Claims (5)
1. gas turbine unit becomes nested structure, it is characterized in that: comprise combustion box body (2) and generator casing body (9) two large divisions, the two large divisions links together by coupling, and relatively independent system all adopts the design of skid body structure in the machine composition nested structure.
2. gas turbine unit as claimed in claim 1 becomes nested structure, it is characterized in that: combustion box body (2) is installed on the combustion machine base (14), be provided with gas turbine (3) in the combustion box body (2), generator casing body (9) is installed on the generator base (16), be provided with generator (8) in the generator casing body (9), adopt different axle mode to connect between gas turbine (3) and the generator (8), be that gas turbine (3) is connected with reduction gear box (6) by high-speed coupling (5), reduction gear box (6) is connected with generator (8) by low-speed shaft coupler (7).
3. gas turbine unit as claimed in claim 1 or 2 becomes nested structure, it is characterized in that: also be provided with gas generator lubrication system (12), fuel gas supply and regulating system (13) and drainage (19) in the combustion box body (2), the top of combustion box body (2) is provided with power turbine thermal shield air exchange system (4); Also be provided with subsidiary engine lubrication system (15) in the generator casing body (9), cooling water system (17) is installed in a side of generator casing body (9).
4. become nested structure such as claim 1,2 or 3 described gas turbine units, it is characterized in that: ladder and platform are equipped with away in the side of described combustion box body (2); The interior outside of generator casing body (9) is provided with Inspection and maintenance with walking on stage.
5. become nested structure such as the arbitrary described gas turbine unit of claim 2-4, it is characterized in that: what described gas turbine (3) adopted is the QD128 gas turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220191200 CN202690227U (en) | 2012-05-02 | 2012-05-02 | Complete set structure of gas turbine unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220191200 CN202690227U (en) | 2012-05-02 | 2012-05-02 | Complete set structure of gas turbine unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202690227U true CN202690227U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220191200 Expired - Lifetime CN202690227U (en) | 2012-05-02 | 2012-05-02 | Complete set structure of gas turbine unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN202690227U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736143A (en) * | 2016-04-07 | 2016-07-06 | 北京黎明航发动力科技有限公司 | 10MW-level gas turbine engine stand-by power source suitable for confined space and installation method thereof |
| CN110361197A (en) * | 2019-03-13 | 2019-10-22 | 中国船舶重工集团公司第七0三研究所无锡分部 | A kind of test bench for gas turbine gas handling system and test method |
| CN111120106A (en) * | 2019-12-24 | 2020-05-08 | 株洲航发动科南方燃气轮机有限公司 | High-power gas turbine generator set and operation method |
| WO2024087272A1 (en) * | 2022-10-27 | 2024-05-02 | 烟台杰瑞石油装备技术有限公司 | Gas turbine starting system and power apparatus |
-
2012
- 2012-05-02 CN CN 201220191200 patent/CN202690227U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736143A (en) * | 2016-04-07 | 2016-07-06 | 北京黎明航发动力科技有限公司 | 10MW-level gas turbine engine stand-by power source suitable for confined space and installation method thereof |
| CN110361197A (en) * | 2019-03-13 | 2019-10-22 | 中国船舶重工集团公司第七0三研究所无锡分部 | A kind of test bench for gas turbine gas handling system and test method |
| CN111120106A (en) * | 2019-12-24 | 2020-05-08 | 株洲航发动科南方燃气轮机有限公司 | High-power gas turbine generator set and operation method |
| CN111120106B (en) * | 2019-12-24 | 2021-07-30 | 株洲航发动科南方燃气轮机有限公司 | High-power gas turbine generator set and operation method |
| WO2024087272A1 (en) * | 2022-10-27 | 2024-05-02 | 烟台杰瑞石油装备技术有限公司 | Gas turbine starting system and power apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210315 Address after: Room 1901, 19 / F, 109-5 quanyun Road, Shenyang area, China (Liaoning) pilot Free Trade Zone, Shenyang City, Liaoning Province Patentee after: China Hangfa gas turbine Co.,Ltd. Address before: 110043 Liaoning Province, Shenyang City District East Street No. 6 Patentee before: SHENYANG LIMING GAS TURBINE BRANCH, BEIJING LIMING AERO-ENGINE POWER SCIENCE AND TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
|
| CX01 | Expiry of patent term |