CN212054912U - PG9351FA gas turbine unit performance heater water inlet pipe - Google Patents
PG9351FA gas turbine unit performance heater water inlet pipe Download PDFInfo
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- CN212054912U CN212054912U CN202020517236.3U CN202020517236U CN212054912U CN 212054912 U CN212054912 U CN 212054912U CN 202020517236 U CN202020517236 U CN 202020517236U CN 212054912 U CN212054912 U CN 212054912U
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- performance heater
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- gas turbine
- pg9351fa
- turbine unit
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Abstract
The utility model relates to a gas turbine heat exchanger technical field just discloses a PG9351FA gas turbine unit performance heater inlet channel, including the performance heater, the inner wall fixed mounting of performance heater has water side and gas side, the top fixed mounting of performance heater has the export of water side. PG9351FA gas turbine unit performance heater inlet channel, through the hydrophobic pressure of third number province's pipeline and temperature in the supporting waste heat boiler of utilization, connect the pipeline to performance heater entrance, the heating natural gas temperature, heat the natural gas to ideal state, can make PG9351FA gas turbine unit hot state start to 60% the time, the combustion mode switches successfully smoothly, improve gas turbine's efficiency, improve the economic nature, simultaneously pass through screw thread post fixed connection through the fixed block that sets up and takeover, the convenience is dismantled the takeover, it is more convenient to use, simultaneously more convenient maintenance, it is longer to have guaranteed equipment life.
Description
Technical Field
The utility model relates to a gas turbine heat exchanger technical field specifically is a PG9351FA gas turbine unit performance heater inlet channel.
Background
With the popularization and application of clean energy technology, the proportion of the installation and the operation of the heavy-duty gas turbine in China is more and more. The general company of america (GE), one of the three major main plants, has a large market share in the heavy duty gas turbine market, as the market dominant class F gas turbine, is the active unit with the largest machine capacity in the global scope at present, and for the GE PG9371FB gas turbine, it has three major components, i.e. compressor, combustor, turbine, and the working principle is: the gas compressor is used for heating and boosting the inlet gas, mixing and combusting the inlet gas and the pretreated natural gas in the combustion chamber, and pushing the turbine to do work, so that the process of converting chemical fuel into kinetic energy is realized.
The temperature of the pressure water of the medium-pressure economizer of the matched waste heat boiler is low in the starting process, natural gas cannot be heated to the temperature with higher efficiency, and due to the fact that the temperature of the natural gas is low, when the PG9351FA gas turbine unit is started to 60% in a hot state, the combustion mode switching is prone to failure, so that the safety of the unit is affected, the temperature of the natural gas cannot reach an ideal value, the combustion temperature is also lower than the ideal value during combustion, the power generation efficiency of the gas turbine is reduced, and the economical efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To prior art's not enough, the utility model provides a PG9351FA gas turbine unit performance heater inlet channel possesses advantages such as natural gas temperature control is stable, has solved foretell problem.
(II) technical scheme
In order to achieve the above object, the present invention provides the following technical solutions: a PG9351FA gas turbine unit performance heater water inlet pipeline comprises a performance heater, wherein the inner wall of the performance heater is fixedly provided with a water side and a gas side, the top end of the performance heater is fixedly provided with a water side outlet, the top end of the performance heater is provided with a gas side inlet, the bottom end of the performance heater is provided with a gas side outlet, the bottom end of the performance heater is provided with a water side inlet, the bottom end of the gas side outlet is fixedly provided with a fixed block, the top end of the fixed block is fixedly provided with a connecting plate, one end of the connecting plate, far away from the gas side outlet, is fixedly provided with an elastic sheet, one side of the elastic sheet, far away from the connecting plate, is fixedly provided with a partition plate, the left side and the right side of the gas side outlet are fixedly provided with mounting frames, the top end of the mounting, the bottom fixed mounting who takes over has No. three high provinces pipelines, the right side intercommunication of No. three high provinces pipelines has well province to the nature and adds the pipeline, well province to the inner wall fixed mounting that the nature adds the pipeline has the activity fan, the buffering tongue has been seted up to the bottom of taking over, the inner wall fixed mounting that No. three high provinces pipelines has electric valve.
Preferably, the gas-side inlet is located to the right of the water-side outlet, and the water-side inlet is located to the right of the gas-side outlet.
Preferably, the top end of the threaded column penetrates through the connecting pipe and extends to the upper portion of the fixing block to be movably connected with the bolt through threads, and the number of the threaded columns is two.
Preferably, the number of the connecting plates is two, one side of each connecting plate, which is back to the back, is fixedly connected with the inner wall of the gas side outlet, and the opposite side of each connecting plate is fixedly connected with the elastic sheet.
Preferably, the fixed blocks are L-shaped, and the two fixed blocks are movably connected with the mounting frames on the left side and the right side of the air side outlet.
Preferably, a sealing gasket is fixedly mounted between the fixing block on the same side and the opposite side of the top end of the connecting pipe, and the sealing gasket is located on the opposite side of the two threaded columns.
(III) advantageous effects
Compared with the prior art, the utility model provides a PG9351FA gas turbine unit performance heater inlet channel possesses following beneficial effect:
1. this PG9351FA gas turbine unit performance heater inlet channel, through the hydrophobic pressure of No. three high province's pipeline and temperature in utilizing supporting waste heat boiler, connect the pipeline to performance heater entrance, heat the natural gas temperature, heat the natural gas to ideal state, can make PG9351FA gas turbine unit hot state start to 60% the time, the combustion mode switches successfully smoothly, improve gas turbine's efficiency, improve the economic nature, simultaneously pass through screw thread post fixed connection through the fixed block that sets up and takeover, the convenience is dismantled the takeover, it is more convenient to use, simultaneously more convenient maintenance, it is longer to have guaranteed that equipment life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the gas side outlet structure of the present invention;
FIG. 3 is an enlarged view of the structure at the position A of the present invention;
fig. 4 is a schematic diagram of the operation of the utility model.
In the figure: 1-performance heater, 2-gas side, 3-water side, 4-water side outlet, 5-gas side inlet, 6-water side inlet, 7-gas side outlet, 8-fixed block, 9-connecting plate, 10-elastic sheet, 11-clapboard, 12-bolt, 13-threaded column, 14-connecting pipe, 15-third high-efficiency pipeline, 16-electric valve, 17-middle-efficiency adding pipeline, 18-movable fan and 19-buffer convex groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a PG9351FA gas turbine unit performance heater water inlet pipe comprises a performance heater 1, a water side 3 and a gas side 2 are fixedly installed on the inner wall of the performance heater 1, a water side outlet 4 is fixedly installed on the top end of the performance heater 1, a gas side inlet 5 is installed on the top end of the performance heater 1, the gas side inlet 5 is located on the right side of the water side outlet 4, a water side inlet 6 is located on the right side of the gas side outlet 7, a gas side outlet 7 is installed on the bottom end of the performance heater 1, a water side inlet 6 is installed on the bottom end of the gas side outlet 7, a fixing block 8 is fixedly installed on the bottom end of the gas side outlet 7, the fixing block 8 is L-shaped, the two fixing blocks 8 are movably connected with a mounting frame on the left side and the right side of the gas side outlet 7, a sealing gasket is fixedly installed between the fixing block 8 on the same, the top end of the fixed block 8 is fixedly provided with two connecting plates 9, the back sides of the two connecting plates 9 are fixedly connected with the inner wall of the gas side outlet 7, the opposite sides of the two connecting plates 9 are fixedly connected with the elastic sheet 10, one end of the connecting plate 9 far away from the gas side outlet 7 is fixedly provided with the elastic sheet 10, one side of the elastic sheet 10 far away from the connecting plate 9 is fixedly provided with a partition 11, the left side and the right side of the gas side outlet 7 are fixedly provided with mounting frames, the top end of each mounting frame is fixedly provided with a bolt 12, the inner wall of each bolt 12 is movably connected with a threaded column 13, the top end of each threaded column 13 penetrates through the connecting pipe 14 and extends to the upper part of the fixed block 8 to be movably connected with the bolt 12 through threads, the number of the threaded columns 13 is two, the bottom end of the fixed block 8 is movably connected with a connecting pipe 14, the bottom end, the inner wall of the Zhongxiaojian pipeline 17 is fixedly provided with a movable fan 18, the bottom end of the connecting pipe 14 is provided with a buffer convex groove 19, and the inner wall of the third Gaoshui pipeline 15 is fixedly provided with an electric valve 16.
The working principle is that the performance heater 1 can transfer the heat of hot fluid to cold fluid, the inside of the performance heater 1 is divided into a gas side 2 and a water side 3, the gas side 2 is provided with a plurality of parallel pipelines penetrating through the water side 3, fins are arranged on the outer sides of the pipelines and are used for prolonging the fluid circulation path of the water side 3, so that the gas side 2 can better absorb the heat of the water side 3, natural gas flows in from a gas side inlet 5 and flows out from a gas side outlet 7, a third high-pressure province pipeline 15 is converged into a buffer convex groove 19 of a middle-pressure province heating pipeline 17, the middle-pressure province heating temperature is improved, under the condition of 30 percent, under the condition of keeping the flow rate of a middle-pressure economizer outlet unchanged, 4.1kg/s and 164 ℃ (the temperature is considered to be reduced in the same amplitude as under the rated condition, when the temperature of the middle-pressure province fluid is improved to be about 10 ℃, the required temperature is 3 high-pressure province heating water 4.2kg/, when the unit is started in a hot state (the unit is not used in a cold state and a warm state), after the high-pressure bypass is started and the high-pressure is higher than the medium-pressure 1-2BAR, the water side 3 of the performance heater 1 is gradually merged into the three high-pressure pipelines 15 to supply hot water so as to improve the inlet temperature of the water supply side 3, when the temperature matching of the gas turbine is completed, the steam turbine is used for steam admission, the hot water from the three high-pressure pipelines 15 is cut off, the hot water of the performance heater 1 is completely used as the outlet water of the medium-pressure economizer, and meanwhile, in order to prevent overpressure, protection when the high-pressure is higher than 4.9Mpa needs to be set, and.
In conclusion, this PG9351FA gas turbine unit performance heater inlet channel, through utilizing the hydrophobic pressure and temperature of No. three province's pipeline 15 in supporting waste heat boiler, connect the pipeline to performance heater 1 entrance, heating natural gas temperature, heat the natural gas to ideal state, can make PG9351FA gas turbine unit hot starting to 60% time, combustion mode switches successfully smoothly, improve gas turbine's efficiency, improve economic nature, pass through the fixed block 8 that sets up and takeover 14 through screw post 13 fixed connection simultaneously, conveniently dismantle takeover 14, and it is more convenient to use, and more convenient maintenance simultaneously, guaranteed that equipment life is longer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A PG9351FA gas turbine unit performance heater inlet pipe, comprising a performance heater (1), characterized in that: the inner wall of the performance heater (1) is fixedly provided with a water side (3) and a gas side (2), the top end of the performance heater (1) is fixedly provided with a water side outlet (4), the top end of the performance heater (1) is provided with a gas side inlet (5), the bottom end of the performance heater (1) is provided with a gas side outlet (7), the bottom end of the performance heater (1) is provided with a water side inlet (6), the bottom end of the gas side outlet (7) is fixedly provided with a fixed block (8), the top end of the fixed block (8) is fixedly provided with a connecting plate (9), one end of the connecting plate (9) far away from the gas side outlet (7) is fixedly provided with an elastic sheet (10), one side of the elastic sheet (10) far away from the connecting plate (9) is fixedly provided with a partition plate (11), and the left and right sides of, the utility model discloses a pipeline construction method, including the installation frame, the top fixed mounting of mounting bracket has bolt (12), the inner wall swing joint of bolt (12) has threaded column (13), the bottom swing joint of fixed block (8) has takeover (14), the bottom fixed mounting of takeover (14) has No. three high provinces pipeline (15), the right side intercommunication of No. three high provinces pipeline (15) has in to save to the nature and adds pipeline (17), in save to the inner wall fixed mounting that the nature adds pipeline (17) have activity fan (18), buffering tongue (19) have been seted up to the bottom of takeover (14), the inner wall fixed mounting that No. three high provinces pipeline (15) has electric valve (16).
2. The PG9351FA gas turbine unit performance heater water inlet pipe of claim 1, wherein: the gas side inlet (5) is positioned on the right side of the water side outlet (4), and the water side inlet (6) is positioned on the right side of the gas side outlet (7).
3. The PG9351FA gas turbine unit performance heater water inlet pipe of claim 1, wherein: the top end of the threaded column (13) penetrates through the connecting pipe (14) and extends to the upper part of the fixing block (8) to be movably connected with the bolt (12) through threads, and the number of the threaded columns (13) is two.
4. The PG9351FA gas turbine unit performance heater water inlet pipe of claim 1, wherein: the number of the connecting plates (9) is two, one side of each of the two connecting plates (9), which is back to the back, is fixedly connected with the inner wall of the gas side outlet (7), and the opposite side of each of the two connecting plates (9) is fixedly connected with the elastic sheet (10).
5. The PG9351FA gas turbine unit performance heater water inlet pipe of claim 1, wherein: the shape of fixed block (8) is L shape, two fixed block (8) and the mounting bracket swing joint of gas side export (7) left and right sides.
6. The PG9351FA gas turbine unit performance heater water inlet pipe of claim 1, wherein: fixed block (8) and the relative one side in top of takeover (14) of homonymy between fixed mounting have sealed the pad, two sealed pad is located the relative one side of two screw thread posts (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020517236.3U CN212054912U (en) | 2020-04-09 | 2020-04-09 | PG9351FA gas turbine unit performance heater water inlet pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020517236.3U CN212054912U (en) | 2020-04-09 | 2020-04-09 | PG9351FA gas turbine unit performance heater water inlet pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212054912U true CN212054912U (en) | 2020-12-01 |
Family
ID=73541432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020517236.3U Expired - Fee Related CN212054912U (en) | 2020-04-09 | 2020-04-09 | PG9351FA gas turbine unit performance heater water inlet pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212054912U (en) |
-
2020
- 2020-04-09 CN CN202020517236.3U patent/CN212054912U/en not_active Expired - Fee Related
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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: 20201201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |