CN209910427U - Peak cooling system based on indirect air cooling unit - Google Patents
Peak cooling system based on indirect air cooling unit Download PDFInfo
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- CN209910427U CN209910427U CN201920019264.XU CN201920019264U CN209910427U CN 209910427 U CN209910427 U CN 209910427U CN 201920019264 U CN201920019264 U CN 201920019264U CN 209910427 U CN209910427 U CN 209910427U
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Abstract
The utility model relates to a peak cooling system based on indirect air cooling unit, which comprises an air cooling unit condenser, an air cooling unit cooling tower and a water cooling unit condenser; the condenser of the air cooling unit is connected with the cooling tower of the air cooling unit through a circulating water pipeline, the circulating water pipeline comprises a first pipeline and a second pipeline, cooling circulating water in the first pipeline flows to the condenser of the air cooling unit from the cooling tower of the air cooling unit, and cooling circulating water in the second pipeline flows to the cooling tower of the air cooling unit from the condenser of the air cooling unit; the second pipe connection has heat transfer branch road at least all the way, and the heat transfer branch road is equipped with the heat exchanger, and the access connection air cooling unit condenser export and the export of water cooling unit condenser of heat exchanger, the exit linkage air cooling unit cooling tower of heat exchanger. The utility model discloses can effectual recovery indirect air cooling unit's waste heat, reduce the exhaust pressure of air cooling unit simultaneously, reach energy saving and consumption reduction's purpose.
Description
Technical Field
The utility model relates to a waste heat recovery technical field of steam power plant especially relates to a peak cooling system based on indirect air cooling unit.
Background
Under the great trend of energy conservation and emission reduction, waste heat recovery of a thermal power plant unit and exhaust cooling of an air cooling turbine are imperative, more and more projects are provided for waste heat recovery of the power plant and exhaust cooling of the air cooling turbine, the investment is large, and the operation cost is high.
In view of the above defects, the designer actively makes research and innovation to create a waste heat utilization system for an air-cooled power plant for a power plant with an air-cooled unit and a water-cooled unit so as to achieve the purposes of energy conservation and consumption reduction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a peak cooling system based on indirect air cooling unit to the power plant that has indirect air cooling unit and water cooling unit simultaneously, this system can the effectual waste heat of retrieving indirect air cooling unit, reduces the steam extraction pressure of air cooling unit simultaneously, reaches energy saving and consumption reduction's purpose.
The utility model provides a peak cooling system based on indirect air cooling unit, which comprises an indirect air cooling unit and a water cooling unit, wherein the indirect air cooling unit comprises an air cooling unit condenser and an air cooling unit cooling tower, and the water cooling unit comprises a water cooling unit condenser;
the condenser of the air cooling unit is connected with the cooling tower of the air cooling unit through a circulating water pipeline, the circulating water pipeline comprises a first pipeline and a second pipeline, cooling circulating water in the first pipeline flows to the condenser of the air cooling unit from the cooling tower of the air cooling unit, and cooling circulating water in the second pipeline flows to the cooling tower of the air cooling unit from the condenser of the air cooling unit;
the second pipe connection has heat transfer branch road of the same kind at least, and the heat transfer branch road is equipped with the heat exchanger, and the access connection air cooling unit condenser export and the export of water cooling unit condenser of heat exchanger, the exit linkage air cooling unit cooling tower of heat exchanger, heat transfer branch road are used for the cooling cycle water of the indirect air cooling unit of condensate water cooling through the water cooling unit to through the cooling cycle water heating condensate water.
Furthermore, the first pipeline is provided with a circulating water pump and a valve of the air cooling unit.
Furthermore, the inlet pipeline and the outlet pipeline of the heat exchanger are provided with valves.
Furthermore, the outlet of the condenser of the water cooling unit is connected with the inlet of the heat exchanger through the condensed water pipeline of the water cooling unit.
Furthermore, the condensate pipeline of the water cooling unit is provided with a valve and a condensate pump of the water cooling unit.
Further, the outlet of the heat exchanger is also connected with a low-pressure heater of the water cooling unit.
Further, the cooling tower of the air cooling unit is an indirect circulating water cooling tower.
Further, the condenser is a water-cooling condenser or an air-cooling condenser.
Furthermore, the condenser is a dividing wall type condenser or a contact type condenser.
Further, the heat exchanger is one of a dividing wall type heat exchanger, a fluid connection indirect type heat exchanger, a direct contact type heat exchanger and a duplex type heat exchanger.
By means of the scheme, the peak cooling system based on the indirect air cooling unit can effectively recover the waste heat of the indirect air cooling unit, simultaneously reduce the exhaust pressure of the air cooling unit, and achieve the purposes of energy conservation and consumption reduction.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is the utility model discloses peak cooling system's based on indirect air cooling unit schematic structure.
Reference numbers in the figures:
1-air cooling unit steam turbine low pressure cylinder; 2-low-pressure heater of air cooling unit; 3-condenser of air cooling unit; 4-condensed water pump of air cooling unit; 5- -cooling tower of air cooling unit; 6-a first conduit; 7-a second conduit; 8-circulating water pump of air cooling unit; 9-a low-pressure cylinder of a steam turbine of the water-cooled unit; 10-a low-pressure heater of a water cooling unit; 11-a condenser of a water cooling unit; 12-condensate pipeline of water cooling unit; 13-a heat exchanger; 14-condensate pump of water cooling unit; 15-valve.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1, the embodiment provides a peak cooling system based on an indirect air cooling unit, which includes an indirect air cooling unit and a water cooling unit, wherein the indirect air cooling unit includes an air cooling unit condenser 3 and an air cooling unit cooling tower 5, and the water cooling unit includes a water cooling unit condenser 11; the air cooling unit condenser 3 is connected with the air cooling unit cooling tower 5 through a circulating water pipeline, the circulating water pipeline comprises a first pipeline 6 and a second pipeline 7, cooling circulating water in the first pipeline 6 flows to the air cooling unit condenser 3 from the air cooling unit cooling tower 5, and cooling circulating water in the second pipeline 7 flows to the air cooling unit cooling tower 5 from the air cooling unit condenser 3; the second pipeline 7 is connected with at least one heat exchange branch, the heat exchange branch is provided with a heat exchanger 13, an inlet of the heat exchanger 13 is connected with an outlet of the air cooling unit condenser 3 and an outlet of the water cooling unit condenser 11, an outlet of the heat exchanger 13 is connected with the air cooling unit cooling tower 5, and the heat exchange branch is used for cooling the cooling circulating water of the indirect air cooling unit through the condensed water of the water cooling unit and heating the condensed water through the cooling circulating water. The water cooling unit can be two or more units.
This peak cooling system based on indirect air cooling unit, through the cooling cycle water with the air cooling unit, introduce water (wet) cold unit condensate water, through the heat exchanger, cool off the circulating water of air cooling unit with the condensate water of water cooling unit, the condensate water of water cooling unit has been heated simultaneously, the steam extraction of air cooling unit has both been cooled off like this, the condensate water of water cooling unit has also been heated simultaneously, thereby the steam extraction cooling of air cooling unit and the condensate water heating of water cooling unit have been realized simultaneously, realize the waste heat utilization of air cooling power plant, energy saving and consumption reduction's purpose has been reached.
In this embodiment, the first pipe 6 is provided with an air cooling unit circulating water pump 8 and a valve 15.
In this embodiment, the inlet and outlet conduits of the heat exchanger 13 are provided with valves 15.
In the present embodiment, the outlet of the condenser 11 of the water chiller is connected to the inlet of the heat exchanger 13 through the condensed water pipe 12 of the water chiller.
In this embodiment, the water chiller condensate pipe 12 is provided with a valve 15 and a water chiller condensate pump 14.
In the embodiment, the outlet of the heat exchanger 13 is also connected with the water chiller low-pressure heater 10.
In the present embodiment, the cooling tower 5 of the air cooling unit is an indirect circulating water cooling tower.
In the present embodiment, the condensers (the air-cooling unit condenser 3 and the water-cooling unit condenser 11) are water-cooling condensers or air-cooling condensers.
In this embodiment, the condenser is a dividing wall type condenser or a contact type condenser.
In the present embodiment, the heat exchanger 13 is one of a dividing wall type heat exchanger, a fluid connection indirect type heat exchanger, a direct contact type heat exchanger, and a multiple heat exchanger.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The peak cooling system based on the indirect air cooling unit is characterized by comprising the indirect air cooling unit and a water cooling unit, wherein the indirect air cooling unit comprises an air cooling unit condenser and an air cooling unit cooling tower, and the water cooling unit comprises a water cooling unit condenser;
the condenser of the air cooling unit is connected with the cooling tower of the air cooling unit through a circulating water pipeline, the circulating water pipeline comprises a first pipeline and a second pipeline, cooling circulating water in the first pipeline flows to the condenser of the air cooling unit from the cooling tower of the air cooling unit, and cooling circulating water in the second pipeline flows to the cooling tower of the air cooling unit from the condenser of the air cooling unit;
the second pipe connection has heat transfer branch road of at least the same kind, the heat transfer branch road is equipped with the heat exchanger, the access connection of heat exchanger air cooling unit condenser export and water cooling unit condenser export, the exit linkage of heat exchanger air cooling unit cooling tower, the heat transfer branch road is used for passing through the condensate water cooling of water cooling unit the refrigeration cycle water of indirect air cooling unit, and pass through the refrigeration cycle water heating the condensate water.
2. The spike cooling system based on the indirect air cooling unit of claim 1, wherein the first pipeline is provided with a circulating water pump and a valve of the air cooling unit.
3. The spike cooling system based on the indirect air cooling unit of claim 2, wherein the inlet pipeline and the outlet pipeline of the heat exchanger are provided with valves.
4. The indirect air cooling unit-based spike cooling system according to claim 1, wherein the outlet of the condenser of the water cooling unit is connected with the inlet of the heat exchanger through a condensed water pipe of the water cooling unit.
5. The indirect air cooling unit-based spike cooling system according to claim 4, wherein the water cooling unit condensate water pipe is provided with a valve and a water cooling unit condensate water pump.
6. The indirect air cooling unit-based spike cooling system of claim 1, wherein the heat exchanger outlet is further connected to a low pressure heater of the water cooling unit.
7. The indirect air cooling unit-based spike cooling system of claim 1, wherein the air cooling unit cooling tower is an indirect circulating water cooling tower.
8. The indirect air cooling unit-based peak cooling system according to claim 1, wherein the condenser is a water-cooled condenser or an air-cooled condenser.
9. The indirect air cooling unit-based spike cooling system according to claim 1, wherein the condenser is a dividing wall condenser or a contact condenser.
10. The indirect air cooling unit-based spike cooling system of claim 1, wherein the heat exchanger is one of a dividing wall type heat exchanger, a fluid coupling indirect type heat exchanger, a direct contact type heat exchanger, and a multiple type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920019264.XU CN209910427U (en) | 2019-01-07 | 2019-01-07 | Peak cooling system based on indirect air cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920019264.XU CN209910427U (en) | 2019-01-07 | 2019-01-07 | Peak cooling system based on indirect air cooling unit |
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| CN209910427U true CN209910427U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920019264.XU Active CN209910427U (en) | 2019-01-07 | 2019-01-07 | Peak cooling system based on indirect air cooling unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708484A (en) * | 2019-01-07 | 2019-05-03 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Spike cooling system based on indirect air cooling unit |
| CN111854462A (en) * | 2020-08-03 | 2020-10-30 | 西安热工研究院有限公司 | Full-working-condition cooling and anti-freezing system suitable for indirect air cooling heat supply unit |
-
2019
- 2019-01-07 CN CN201920019264.XU patent/CN209910427U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708484A (en) * | 2019-01-07 | 2019-05-03 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Spike cooling system based on indirect air cooling unit |
| CN111854462A (en) * | 2020-08-03 | 2020-10-30 | 西安热工研究院有限公司 | Full-working-condition cooling and anti-freezing system suitable for indirect air cooling heat supply unit |
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