CN219976392U - Condensate recovery system of thermal power plant - Google Patents
Condensate recovery system of thermal power plant Download PDFInfo
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- CN219976392U CN219976392U CN202321185396.2U CN202321185396U CN219976392U CN 219976392 U CN219976392 U CN 219976392U CN 202321185396 U CN202321185396 U CN 202321185396U CN 219976392 U CN219976392 U CN 219976392U
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- pipeline
- condenser
- power plant
- condensate
- water
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- 238000011084 recovery Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000001816 cooling Methods 0.000 claims abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- 239000001301 oxygen Substances 0.000 claims abstract description 6
- 239000000498 cooling water Substances 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 abstract description 6
- 238000004891 communication Methods 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of condensate recovery systems, in particular to a condensate recovery system of a thermal power plant, which comprises a condenser, wherein a condensate outlet of the condenser is connected with a shaft seal heater through a pipeline, the shaft seal heater is connected with a low-pressure heater group through a pipeline, the low-pressure heater group is connected with a deaerator through an oxygen remover pipeline, and the oxygen remover pipeline is connected with a cooling tower through a communication pipeline; according to the utility model, a communication pipe is arranged to introduce a large amount of condensed water generated by flushing the condensed water pipeline before the power plant unit is started and a large amount of condensed water generated by overhauling, filling and leakage checking of the condenser into the cooling tower of the circulating water system, so that the raw water is recycled, the consumption of the circulating water system to raw water is reduced, and the energy is saved.
Description
Technical Field
The utility model relates to the technical field of condensate recovery systems, in particular to a condensate recovery system of a thermal power plant.
Background
The water saving and the wastewater discharge reduction are the core of the water management of the power plant. The treatment of waste water discharged from the thermal power plant is performed, the recycling rate of water is improved, the water consumption of fresh water is reduced, and the water saving is realized, so that the method has become the key for the survival and development of the thermal power plant.
A large amount of condensate generated by flushing a condensate pipeline before the existing power plant unit is started and a large amount of condensate generated after the condenser is overhauled, irrigated and leaked are discharged to the auxiliary steam expander of the unit, and then discharged to the unit drainage tank from the auxiliary steam expander, so that the waste of water sources is caused.
Disclosure of Invention
The utility model mainly aims to provide a condensation water recovery system of a thermal power plant, which is used for solving the problems that in the prior art, a large amount of condensation water generated by flushing a condensation water pipeline before starting a power plant unit and a large amount of condensation water generated by overhauling and filling water and leakage checking a condenser are discharged to a unit drainage tank, so that water source is wasted.
In order to achieve the above purpose, the utility model provides a condensate recovery system of a thermal power plant, which comprises a condenser, wherein a condensate outlet of the condenser is connected with a shaft seal heater through a pipeline, the shaft seal heater is connected with a low-pressure heater group through a pipeline, the low-pressure heater group is connected with a deaerator through an oxygen remover pipeline, and the oxygen remover pipeline is connected with a cooling tower through a connecting pipeline.
Further, the cooling tower is communicated with a cooling water inlet of the condenser through a circulating water outlet pipe, and is communicated with a cooling water outlet of the condenser through a circulating water return pipe, and a circulating water pump is arranged on the circulating water return pipe.
Further, the deaerator is connected with the boiler through a pipeline, the boiler is connected with the steam turbine through a pipeline, the steam turbine is connected with the condenser through a pipeline, and a water supply pump is arranged on a pipeline between the deaerator and the boiler.
Further, a valve is arranged on the connecting pipeline.
Further, a condensate pump is arranged on a pipeline between the condenser and the shaft seal heater.
The circulating water system can continuously consume raw water in the using process, the raw water needs to be periodically replenished, the requirement of the circulating water system on the quality of the raw water is low, and the quality of the condensed water can meet the water requirement of the circulating water system.
According to the utility model, a communication pipe is arranged to introduce a large amount of condensed water generated by flushing the condensed water pipeline before the power plant unit is started and a large amount of condensed water generated by overhauling, filling and leakage checking of the condenser into the cooling tower of the circulating water system, so that the raw water is recycled, the consumption of the circulating water system to raw water is reduced, and the energy is saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic diagram of an embodiment;
in the figure: 1. a condenser; 2. a shaft seal heater; 3. a low pressure heater group; 4. a deaerator; 5. a communication pipeline; 6. a cooling tower; 7. a boiler; 8. a steam turbine; 9. a water feed pump; 10. and a condensate pump.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1, the condensate recovery system of the thermal power plant comprises a boiler 7, wherein the boiler 7 is connected with a steam turbine 8 through a pipeline, the steam turbine 8 is connected with a condenser 1 through a pipeline, and a water supply pump 9 is arranged on the pipeline between a deaerator 4 and the boiler 7;
condenser 1, condenser 1's condensate outlet has shaft seal heater 2 through the pipe connection, install condensate pump 10 on the pipeline between condenser 1 and the shaft seal heater 2, shaft seal heater 2 has low pressure heater group 3 through the pipe connection, low pressure heater group 3 includes #5 low pressure heater, #6 low pressure heater, #7 low pressure heater, #8 low pressure heater, #9 low pressure heater, low pressure heater group 3 has deaerator 4 through removing deaerator pipe connection, deaerator 4 is through pipe connection boiler 7, it is connected with cooling tower 6 through connecting pipe 5 to remove the deaerator pipe, be equipped with the valve on the connecting pipe 5.
The cooling tower 6 is communicated with a cooling water inlet of the condenser 1 through a circulating water outlet pipe, and is communicated with a cooling water outlet of the condenser 1 through a circulating water return pipe, and a circulating water pump is arranged on the circulating water return pipe.
In this embodiment, a large amount of condensate generated by flushing a condensate pipeline before the power plant unit is started and a large amount of condensate generated by checking leakage after overhauling and water filling of a condenser are pumped out by utilizing a condensate pump 10, pass through a shaft seal heater 2 and a low-pressure heater group 3, and finally are discharged into a cooling tower 6 through a connecting pipe 5 for use by a circulating water system.
The method is calculated by carrying out flushing of a condensed water pipeline and water filling and leakage checking of overhauling of a condenser once a year, 8000 tons of condensed water can be recycled each year, consumption of raw water is reduced, and cost can be reduced by 16000 yuan each year.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (3)
1. The condensate recovery system of the thermal power plant comprises a condenser (1), and is characterized in that a condensate outlet of the condenser (1) is connected with a shaft seal heater (2) through a pipeline, the shaft seal heater (2) is connected with a low-pressure heater group (3) through a pipeline, the low-pressure heater group (3) is connected with a deaerator (4) through an oxygen remover pipeline, and the oxygen remover pipeline is connected with a cooling tower (6) through a connecting pipeline (5); the cooling tower (6) is communicated with a cooling water inlet of the condenser (1) through a circulating water outlet pipe, and is communicated with a cooling water outlet of the condenser (1) through a circulating water return pipe, and a circulating water pump is arranged on the circulating water return pipe; and a condensate pump (10) is arranged on a pipeline between the condenser (1) and the shaft seal heater (2).
2. The condensate recovery system of a thermal power plant according to claim 1, wherein the deaerator (4) is connected with the boiler (7) through a pipeline, the boiler (7) is connected with the steam turbine (8) through a pipeline, the steam turbine (8) is connected with the condenser (1) through a pipeline, and a water feeding pump (9) is arranged on a pipeline between the deaerator (4) and the boiler (7).
3. The condensate recovery system as claimed in claim 1, wherein a valve is provided on the connecting pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321185396.2U CN219976392U (en) | 2023-05-17 | 2023-05-17 | Condensate recovery system of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321185396.2U CN219976392U (en) | 2023-05-17 | 2023-05-17 | Condensate recovery system of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219976392U true CN219976392U (en) | 2023-11-07 |
Family
ID=88578442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321185396.2U Active CN219976392U (en) | 2023-05-17 | 2023-05-17 | Condensate recovery system of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219976392U (en) |
-
2023
- 2023-05-17 CN CN202321185396.2U patent/CN219976392U/en active Active
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