CN113790910B - System for be used for rubbish environmental protection power plant steam turbine performance test - Google Patents
System for be used for rubbish environmental protection power plant steam turbine performance test Download PDFInfo
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- CN113790910B CN113790910B CN202110900676.6A CN202110900676A CN113790910B CN 113790910 B CN113790910 B CN 113790910B CN 202110900676 A CN202110900676 A CN 202110900676A CN 113790910 B CN113790910 B CN 113790910B
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 11
- 238000011056 performance test Methods 0.000 title claims abstract description 8
- 230000007613 environmental effect Effects 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 112
- 238000012360 testing method Methods 0.000 claims abstract description 100
- 238000000605 extraction Methods 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000003657 drainage water Substances 0.000 description 2
- 241000242583 Scyphozoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a system for a performance test of a steam turbine of a garbage environment-friendly power plant, which is characterized in that a bypass special for a left deaerator steam inlet test and a right deaerator steam inlet test is additionally arranged on a deaerator heating steam pipeline, a first deaerator steam inlet electric door and a second deaerator steam inlet electric door are additionally arranged behind a condensate pipeline, a first bypass electric door and a second bypass electric door special for a deaerator steam inlet test, a bypass special for a left deaerator water inlet test, a bypass special for a right deaerator water inlet test, a first deaerator water inlet electric door, a second deaerator water inlet electric door, a third bypass electric door special for a deaerator water inlet test, a fourth bypass electric door special for a deaerator water inlet test, a second electric door and a first electric door are additionally arranged behind a condensate pipeline, and the deaerator water inlet flow of the deaerator of a deaerator water inlet test set is the same as much as possible by changing the opening degree of the first electric door and the second electric door. According to the invention, the first-stage steam extraction and the second-stage steam extraction of the steam turbine are not required to be isolated, and the test result is more accurate after the deaerator steam inlet test is carried out, so that the method is more convincing.
Description
Technical Field
The invention belongs to the technical field of performance tests of steam turbines of garbage environment-friendly power plants, and particularly relates to a system for performance tests of steam turbines of garbage environment-friendly power plants.
Background
The domestic garbage environment-friendly power plant is different from the conventional thermal power unit arrangement mode, and is generally in an arrangement mode of combining a plurality of boilers and a plurality of steam turbines, a condensate water system, a steam turbine steam extraction to air preheater heating system, a deaerator heating steam and the like are used as master pipes, when the original system is used for carrying out a steam turbine test, the first-stage steam extraction and the second-stage steam extraction of the steam turbine are often required to be isolated, the heat recovery system and the design deviation are larger during the test, the correction amount of the test result is larger, and the uncertainty is larger.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a system for testing the performance of a steam turbine of a garbage environment-friendly power plant.
In order to achieve the above purpose and achieve the above technical effects, the invention adopts the following technical scheme:
A system for performance test of a steam turbine of a garbage environment-friendly power plant, wherein a condensed water pipeline of the steam turbine is communicated with a condensed water main pipe and then communicated with a #1 deaerator and a #2 deaerator, a two-section steam extraction pipeline is communicated with a deaerator heating steam main pipe and then communicated with the #1 deaerator and the #2 deaerator, a one-section steam extraction pipeline is communicated with an air preheater low-pressure heating steam main pipe and then communicated with different boiler air preheater low-pressure sections, the air preheater is heated by one-section steam extraction pipeline, the heated drain water of the air preheater low-pressure section is converged into the #1 deaerator and the #2 deaerator through the air preheater low-pressure section drain main pipe, the heated drain water of the air preheater high-pressure section is converged into the #1 deaerator and the #2 deaerator through the air preheater high-pressure section drain main pipe, the heated drain water of flue gas is converged into the #1 deaerator and the #2 deaerator through the SGH drain main pipe, a bypass special for the deaerator steam inlet test and a bypass special for the deaerator steam inlet test are additionally arranged on a deaerator heating steam pipeline, a first deaerator steam inlet electric door, a second deaerator steam inlet electric door, a first manual door and a second manual door are additionally arranged behind a condensed water pipeline of a steam turbine, a first bypass electric door special for the deaerator steam inlet test, a third manual door special for the deaerator steam inlet test between a two-section steam extraction pipeline of the steam turbine and a #1 deaerator, a second bypass electric door special for the deaerator steam inlet test and a fourth manual door special for the deaerator steam inlet test between a deaerator heating steam main pipe and a #2 deaerator are additionally arranged on a condensed water main pipe, a first deaerator water inlet electric door, a second deaerator water inlet electric door, a fifth manual door and a sixth manual door are additionally arranged on a condensed water pipeline to a deaerator water main pipe, the bypass special for the water test of the left deaerator is provided with a third bypass electric door and a seventh electric door special for the water test of the deaerator, the bypass special for the water test of the right deaerator is provided with an eighth electric door and a fourth bypass electric door special for the water test of the deaerator, a first flow device and a second flow device are additionally arranged on a section of steam extraction pipeline, one section of steam extraction flow of a steam turbine can be accurately measured, a fourth flow device and a second electric door are additionally arranged from a low-pressure section of the steam extraction main pipe of the air preheater to a water inlet pipeline of the #1 deaerator, a first electric door and a third flow device are additionally arranged from the low-pressure section of the steam extraction main pipe of the air preheater to a water inlet pipeline of the #2 deaerator, the water inlet pipeline of the air preheater is additionally provided with a first electric door and a third electric door by changing the opening degree adjustment test unit of the first electric door and the second electric door, the deaerator the water inlet flow of the air preheater is the same as one section of the steam extraction flow, the water inlet pipeline of the air preheater is additionally provided with a third electric door by changing the opening degree adjustment test unit of the first electric door and the second electric door, the water inlet pipeline of the air preheater is additionally provided with a fourth electric door by the water inlet pipeline of the #2 of the air preheater, and the water inlet pipeline of the air preheater is additionally provided with a fourth electric door.
Further, a first deaerator steam inlet electric door and a first manual door are arranged between the two sections of steam extraction pipelines of the steam turbine and the deaerator heating steam main pipe.
Further, a second deaerator steam inlet electric door and a second manual door are arranged between the deaerator heating steam main pipe of the steam turbine and the #2 deaerator.
Further, the jellyfish pipe on the condensed water to #1 deaerator is provided with a fifth manual door and a first deaerator water-feeding door.
Further, a fourth bypass electric door and an eighth manual door special for the deaerator water-feeding test are arranged between the condensation water main pipe and the #2 deaerator.
Further, the first flow device and the second flow device respectively adopt a nozzle flow device or an orifice flow device.
Compared with the prior art, the invention has the beneficial effects that:
The invention discloses a system for performance test of a steam turbine of a garbage environment-friendly power plant, wherein a left deaerator steam inlet test special bypass and a right deaerator steam inlet test special bypass are additionally arranged on a deaerator heating steam pipeline, a first deaerator steam inlet electric door, a second deaerator steam inlet electric door, a first manual door and a second manual door are additionally arranged behind a condensate pipeline of the steam turbine, a first bypass electric door and a third manual door are additionally arranged between a two-stage steam extraction pipeline of the steam turbine and the deaerator steam inlet test special for the deaerator steam inlet test between a deaerator heating steam main pipe and a deaerator steam inlet test special for the deaerator steam inlet test between a #2 deaerator steam main pipe and a fourth manual door are additionally arranged on a condensate main pipe, a first deaerator water inlet electric door, a second deaerator water inlet electric door, a fifth manual door and a sixth manual door are additionally arranged on a condensate pipeline to a condensate main pipe, a bypass special for the water test of the left deaerator is provided with a third bypass electric door and a seventh electric door special for the water test of the deaerator, a bypass special for the water test of the right deaerator is provided with an eighth electric door and a fourth bypass electric door special for the water test of the deaerator, a first flow device and a second flow device are added on a section of steam extraction pipeline, one section of steam extraction flow of a steam turbine can be accurately measured, a fourth flow device and a second electric door are added from a low-pressure section of a drain main pipe of the air preheater to a water inlet pipeline of the #1 deaerator, a first electric door and a third flow device are added from a low-pressure section of the drain main pipe of the air preheater to a water inlet pipeline of the #2 deaerator, the water inlet flow of the deaerator of a deaerator adjusting test unit is the same as one section of steam extraction flow as possible by changing the opening degree of the first electric door and the second electric door, the third electric door is additionally arranged from the high-pressure section drainage main pipe of the air preheater to the water inlet pipeline of the #1 deaerator, the fourth electric door is additionally arranged from the high-pressure section drainage main pipe of the air preheater to the water inlet pipeline of the #2 deaerator, the sixth electric door is additionally arranged from the SGH drainage main pipe to the water inlet pipeline of the #2 deaerator, and the fifth electric door is additionally arranged from the SGH drainage main pipe to the water inlet pipeline of the #1 deaerator. According to the invention, the first-stage steam extraction and the second-stage steam extraction of the steam turbine are not required to be isolated, the test result is more accurate after the deaerator steam inlet test is carried out, the test result is more convincing, the regenerative system is consistent with the design value as much as possible in the test process in order to be compared with the performance guarantee value, and if the deviation is larger, the calculation correction is carried out by adopting a system correction method, and the calculation result is not the test result, so that the real purpose of the test cannot be achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
Wherein, 1-a condensation water main pipe; 2-heating a steam main pipe at low pressure of the air preheater; heating a steam main pipe by a 3-deaerator; 4-a main steam main pipe; 5-SGH hydrophobic parent tube; 6-draining a main pipe of a high-pressure section of the air preheater; 7-supplying water to the main pipe; 9-1 steam turbine generator unit; 10-2 steam turbine generator unit; 11-a condenser; 12-a condensate pump; 13-a shaft seal heater; 14-1 low pressure heater; 15-2 low pressure heater; 16-a condensed water pipeline; 17-two-stage steam extraction pipeline; 18-a section of steam extraction pipeline; 19-a first bypass electric door special for a deaerator steam inlet test; a second bypass electric door special for a steam inlet test of the 20-deaerator; 21-a first flow device; 22-a second flow device; a 23-3 boiler drum steam extraction pipeline; a 24-2 boiler drum steam extraction pipeline; a steam extraction pipeline of a steam drum of a No. 25-1 furnace; 26-a third manual door; 27-a first deaerator steam inlet electric door; 28-a first manual door; 29-fourth manual door; 30-a second deaerator steam inlet electric door; 31-a second manual door; 32-a first electrically powered door; 33-third flow means; 34-a second electrically powered door; 35-fourth flow means; 36-a fifth electrically powered door; 37-a third electrically powered door; 38-fourth power gate; 39-sixth power door; 44-a fifth manual door; 45-a water feeding door of the first deaerator; 46-sixth manual door; 47-a water-feeding door of a second deaerator; a third bypass electric door special for a water feeding test of the 48-deaerator; 49-seventh manual door; 50-eighth manual door; and a fourth bypass electric door special for a water feeding test of the 51-deaerator.
Detailed Description
The following embodiments of the present invention are described in detail so that the advantages and features of the present invention may be more readily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of the present invention.
As shown in fig. 1, a system for testing the performance of a steam turbine in a garbage environment-friendly power plant, taking three furnaces and two machines as examples, the device comprises a condensation water main pipe 1, an air preheater low-pressure heating steam main pipe 2, a deaerator heating steam main pipe 3, a main steam main pipe 4, an SGH drainage main pipe 5, an air preheater high-pressure section drainage main pipe 6, a water supply main pipe 7, an air preheater low-pressure section drainage main pipe, a No. 1 turbo generator set 9, a No. 2 turbo generator set 10, a condenser 11, a condensation water pump 12, a shaft seal heater 13, a No. 1 low-pressure heater 14, a No. 2 low-pressure heater 15, a condensation water pipeline 16, a two-stage steam extraction pipeline 17, a one-stage steam extraction pipeline 18, a deaerator steam inlet test special first bypass electric door 19, a deaerator steam inlet test special second bypass electric door 20, a first flow device 21, a second flow device 22, a No. 3 boiler steam drum steam extraction pipeline 23, a No. 2 boiler steam drum extraction pipeline 24, a No. 1 boiler steam drum extraction pipeline 25, a third manual door 26, a fourth electric door and a fourth electric door a first deaerator intake electric door 27, a first manual door 28, a fourth manual door 29, a second deaerator intake electric door 30, a second manual door 31, a first electric door 32, a third flow device 33, a second electric door 34, a fourth flow device 35, a fifth electric door 36, a third electric door 37, a fourth electric door 38, a sixth electric door 39, a left deaerator intake test dedicated bypass, a right deaerator intake test dedicated bypass, a left deaerator water test dedicated bypass, a right deaerator water test dedicated bypass, a fifth manual door 44, a first deaerator water supply electric door 45, a sixth manual door 46, a second deaerator water supply electric door 47, a deaerator water test dedicated third bypass electric door 48, a seventh manual door 49, an eighth manual door 50, and a deaerator water test dedicated fourth bypass electric door 51, before entering the deaerator, the condensed water in the condensed water pipeline 16 of the steam turbine is firstly converged into the condensed water main pipe 1, the deaerator heating steam comes from the second-stage steam extraction in the second-stage steam extraction pipeline 17 of the steam turbine, and before heating the deaerator, the condensed water is firstly converged into the deaerator heating steam main pipe 3 and then respectively flows into each deaerator; the primary air heating steam of the low-pressure section of the air preheater is from a section of steam extraction pipeline 18 of a steam turbine, before primary air is heated, the primary air is converged into a low-pressure heating steam main pipe 2 of the air preheater, then flows into the low-pressure sections of the air preheater of each boiler respectively, and the drain water heated by the air preheater is converged into a deaerator through a drain main pipe of the low-pressure section of the air preheater; primary air heating steam of a high-pressure section of the air preheater is extracted from a steam drum, each furnace supplies respective air preheater steam, and the drain water heated by the air preheater is gathered into the deaerator through a drain main pipe 6 of the high-pressure section of the air preheater; the SGH (flue gas heating heat exchanger) flue gas heating steam comes from a steam drum for steam extraction, each furnace supplies the respective SGH, and the drain water after flue gas heating is led into the deaerator through the SGH drain main pipe 5.
A left deaerator steam inlet test special bypass and a right deaerator steam inlet test special bypass are additionally arranged on a deaerator heating steam pipeline, a first deaerator steam inlet electric door 27, a second deaerator steam inlet electric door 30, a first manual door 28 and a second manual door 31 are additionally arranged on a main path, during the test, the first deaerator steam inlet electric door 27 and the first manual door 28 between the two sections of steam extraction pipelines 17 and the deaerator heating steam main pipe 3 are closed, the second deaerator steam inlet electric door 30 and the second manual door 31 between the deaerator heating steam main pipe 3 and the #2 deaerator are closed, the first bypass electric door 19 and the third manual door 26 between the two sections of steam extraction pipelines 17 and the #1 deaerator steam inlet test special bypass electric door 20 and the fourth manual door 29 between the deaerator heating steam main pipe 3 and the #2 are opened; a bypass special for a deaerator water-feeding test and a bypass special for a right deaerator water-feeding test are additionally arranged on a main condensation water pipe 1, a first deaerator water-feeding electric door 45, a second deaerator water-feeding electric door 47, a fifth manual door 44 and a sixth manual door 46 are additionally arranged on the main condensation water pipe 16 to the main condensation water pipe 1 on the deaerator, a third bypass electric door 48 and a seventh manual door 49 special for the deaerator water-feeding test are arranged on the bypass special for the deaerator water-feeding test, an eighth manual door 50 and a fourth bypass electric door 51 special for the deaerator water-feeding test are arranged on the bypass special for the right deaerator water-feeding test, during the test, a fifth manual door 44 and a first deaerator water-feeding electric door 45 of the main condensation water pipe are closed, the second deaerator water-feeding electric door 47 and the sixth manual door 46 are closed, a third bypass electric door 48 special for the deaerator water-feeding test and the seventh manual door 49 are opened, and the fourth bypass electric door 51 special for the deaerator water-feeding test between the main condensation water pipe 1 and the #2 are opened; a first flow device 21 and a second flow device 22 are added on the first section of steam extraction pipeline 18, and the first flow device 21 and the second flow device 22 respectively adopt a nozzle flow device or a pore plate flow device, so that the first section of steam extraction flow of the steam turbine can be accurately measured; a fourth flow device 35 and a second electric door 34 are additionally arranged on the water inlet pipeline from the low-pressure section of the air preheater to the #1 deaerator, a first electric door 32 and a third flow device 33 are additionally arranged on the water inlet pipeline from the low-pressure section of the air preheater to the #2 deaerator, and the inlet flow of the deaerator of the test unit is adjusted to be the same as one section of the steam extraction flow as much as possible by changing the opening of the first electric door 32 and the second electric door 34; the air preheater high-pressure section drainage main pipe 6 to #1 deaerator water inlet pipeline is additionally provided with a third electric door 37, the air preheater high-pressure section drainage main pipe 6 to #2 deaerator water inlet pipeline is additionally provided with a fourth electric door 38, and during a test period, the air preheater high-pressure section drainage water inlet electric door of the corresponding deaerator of the test unit is closed; the water inlet pipeline of the deaerator from the SGH drainage main pipe 5 to the #2 is additionally provided with a sixth electric door 39, the water inlet pipeline of the deaerator from the SGH drainage main pipe 5 to the #1 is additionally provided with a fifth electric door 36, and during the test, the SGH drainage water inlet electric door of the deaerator corresponding to the test unit is closed.
The part of the invention which is not specifically described is only required to adopt the prior art, and is not described in detail herein.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (2)
1. A system for performance test of a steam turbine of a garbage environment-friendly power plant is characterized in that a condensed water pipeline of the steam turbine is communicated with a condensed water main pipe and then communicated with a #1 deaerator and a #2 deaerator, a two-section steam extraction pipeline is communicated with a deaerator heating steam main pipe and then communicated with the #1 deaerator and the #2 deaerator, a one-section steam extraction pipeline is communicated with a low-pressure heating steam main pipe of the air preheater and then communicated with low-pressure sections of different boiler air preheaters, the air preheater is heated by one-section steam extraction pipeline, the heated drain water of the low-pressure sections of the air preheater is converged into the #1 deaerator and the #2 deaerator through a drain main pipe of the low-pressure sections of the air preheater, the heated drain water of the high-pressure sections of the air preheater is converged into the #1 deaerator and the #2 deaerator through a drain main pipe of the SGH, the heated drain water is converged into the #1 deaerator and the #2 deaerator, a bypass special for the deaerator steam inlet test and a bypass special for the deaerator steam inlet test are additionally arranged on a deaerator heating steam pipeline, a first deaerator steam inlet electric door, a second deaerator steam inlet electric door, a first manual door and a second manual door are additionally arranged behind a condensed water pipeline of a steam turbine, a first bypass electric door special for the deaerator steam inlet test and a third manual door special for the deaerator steam inlet test are arranged between a two-section steam extraction pipeline of the steam turbine and a #1 deaerator, a second bypass electric door special for the deaerator steam inlet test and a fourth manual door special for the deaerator steam inlet test are arranged between a deaerator heating steam main pipe and a #2 deaerator, a bypass special for the deaerator water inlet test and a bypass special for the deaerator water inlet test are additionally arranged on a condensed water main pipe, a first deaerator water inlet electric door, a second deaerator water inlet electric door, a fifth manual door and a sixth manual door are additionally arranged on a condensed water pipeline to a condensate main pipe, a bypass special for the water test of the deaerator is provided with a third bypass electric door and a seventh electric door special for the water test of the deaerator, a bypass special for the water test of the deaerator is provided with an eighth electric door and a fourth bypass electric door special for the water test of the deaerator, a first flow device and a second flow device are added on a section of steam extraction pipeline, one section of steam extraction flow of a steam turbine can be accurately measured, a water inlet pipeline from a low-pressure section of the air preheater to the deaerator is provided with a fourth flow device and a second electric door, a water inlet pipeline from the low-pressure section of the air preheater to the deaerator is provided with a first electric door and a third flow device, a deaerator water inlet flow of a deaerator adjusting test unit by changing the opening degree of the first electric door and the second electric door is the same as one section of steam extraction flow, a water inlet pipeline from the high-pressure section of the air preheater to the deaerator is provided with a third electric door, a water inlet pipeline from the high-pressure section of the air preheater to the deaerator is provided with a fourth electric door, a water inlet pipeline from the SGH to the water inlet pipeline from the high-pressure section of the deaerator is provided with a fourth electric door;
A fifth manual door and a first deaerator water-feeding door are arranged on the condensate pipe from the condensate pipe to the #1 deaerator;
a fourth bypass electric door and an eighth manual door special for a deaerator water-feeding test are arranged between the condensation water main pipe and the #2 deaerator;
During the test, a first deaerator steam inlet electric door and a first manual door between a two-section steam extraction pipeline and a deaerator heating steam main pipe are closed, a second deaerator steam inlet electric door and a second manual door between the deaerator heating steam main pipe and a #2 deaerator are closed, a deaerator steam inlet test special-purpose first bypass electric door and a third manual door between the two-section steam extraction pipeline and the #1 deaerator are opened, and a deaerator steam inlet test special-purpose second bypass electric door and a fourth manual door between the deaerator heating steam main pipe and the #2 deaerator are opened;
During the test, closing a condensed water pipeline to a fifth manual door on a condensed water main pipe on the #1 deaerator and a first deaerator water-feeding door, closing a second deaerator water-feeding door and a sixth manual door, opening a third bypass electric door and a seventh manual door special for deaerator water-feeding test, and opening a fourth bypass electric door and an eighth manual door special for deaerator water-feeding test between the condensed water main pipe and the #2 deaerator;
during the test, closing a water draining and water feeding electric door of the air preheater high-pressure section of the deaerator corresponding to the test unit;
and closing the SGH water drainage and water inlet electric door of the test unit corresponding to the deaerator during the test.
2. The system for performance testing of a steam turbine in a waste environment-friendly power plant according to claim 1, wherein the first flow device and the second flow device are nozzle flow devices or orifice flow devices respectively.
Priority Applications (1)
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| CN202110900676.6A CN113790910B (en) | 2021-08-06 | 2021-08-06 | System for be used for rubbish environmental protection power plant steam turbine performance test |
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| CN202110900676.6A CN113790910B (en) | 2021-08-06 | 2021-08-06 | System for be used for rubbish environmental protection power plant steam turbine performance test |
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| CN113790910B true CN113790910B (en) | 2024-05-28 |
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