CN217209549U - Intercooling tower circulating water waste heat utilization system - Google Patents
Intercooling tower circulating water waste heat utilization system Download PDFInfo
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- CN217209549U CN217209549U CN202220954211.9U CN202220954211U CN217209549U CN 217209549 U CN217209549 U CN 217209549U CN 202220954211 U CN202220954211 U CN 202220954211U CN 217209549 U CN217209549 U CN 217209549U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model discloses an indirect cooling tower circulating water waste heat utilization system, which comprises a condenser, an indirect air cooling tower, a water storage tank, a heat exchanger and an electric heater; the condenser and the indirect air cooling tower form a circulating water loop, a water inlet pipeline of the circulating water loop is provided with a water storage tank and a heat exchanger, the heat exchanger is connected to the circulating water loop through a pipeline, the heat exchanger is arranged inside the water storage tank, and an electric heater is further arranged inside the water storage tank. The utility model discloses on the circulating water circuit that comprises condenser, indirect air cooling tower and circulating water pump, add by first ooff valve, heat exchanger, water storage box and fourth ooff valve, with circulating water reposition of redundant personnel, utilize heat exchanger to give domestic water with circulating water heat transfer, reduced the circulating water temperature, alleviate the heat dissipation load of cooling tower under the high temperature strong wind weather in summer, reduce the unit backpressure.
Description
Technical Field
The utility model belongs to the technical field of the indirect cooling unit, concretely relates to indirect cooling tower circulating water waste heat utilization system.
Background
Compared with a wet cooling unit, the indirect air cooling unit for thermal power generation can effectively relieve the problem of water shortage of a thermal power plant in a water shortage area, so that the indirect air cooling unit for thermal power generation is widely applied to drought and water shortage areas in northern China. However, in summer high-temperature and strong-wind weather, compared with a wet cooling unit with equal capacity, the indirect air cooling unit has the problems of increased power supply coal consumption, greatly reduced condensing capacity, overhigh unit backpressure and the like. Under the condition, when the backpressure of the unit is very high, the unit runs in a load-limiting manner, the peak load regulation capacity of the unit is reduced, and the safe and stable running of the unit is influenced. If the temperature of the circulating water at the inlet of the indirect cooling tower can be reduced, the influence on the back pressure of the unit caused by the reduction of the condensation capacity of the indirect cooling tower can be effectively reduced, the waste heat of the circulating water can be recycled, the heat economy of the unit is improved, and the energy is saved and the consumption is reduced for power generation enterprises.
The indirect air cooling units are located in northwest areas with rare smoke in China, heat users are rare, no formed heat network is used for supplying hot water, hot water for living in accommodation areas of power plants is obtained in an electric heating mode, each household needs to be provided with an electric water heater, the electric water heaters are generally electrified for 24 hours and are heated uninterruptedly, and unnecessary resource waste is caused. Meanwhile, the electric water heater is expensive and time-consuming to install, and the electric water heater is inconvenient to manage due to the fact that the electric water heater is too large in installation quantity, and is easy to generate electric leakage accidents to cause short-circuit tripping of circuits and even personal accidents.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an indirect cooling tower circulating water waste heat utilization system to solve above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a waste heat utilization system for circulating water of an indirect cooling tower comprises a condenser, an indirect air cooling tower, a water storage tank, a heat exchanger and an electric heater; the condenser and the indirect air cooling tower form a circulating water loop, a water inlet pipeline of the circulating water loop is provided with a water storage tank and a heat exchanger, the heat exchanger is connected to the circulating water loop through a pipeline, the heat exchanger is arranged inside the water storage tank, and an electric heater is further arranged inside the water storage tank.
The utility model discloses further improvement lies in, and the both sides of the heat exchanger place pipeline of water storage box are provided with first ooff valve and fourth ooff valve respectively.
The utility model discloses further improvement lies in, water level monitoring sensor and temperature monitoring sensor have been installed to the water storage box.
The utility model discloses further improvement lies in, and position between heat exchanger and the fourth ooff valve sets up the outlet conduit of bleeder connection circulating water return circuit, is provided with the fifth ooff valve on the bleeder.
The utility model discloses further improvement lies in, water level monitoring sensor and temperature monitoring sensor have been installed to the water storage box.
The utility model discloses a further improvement lies in, and the water storage box outer wall is provided with the heat preservation.
The utility model discloses further improvement lies in, and domestic water connects the water storage box, is provided with second ooff valve and third governing valve on the pipeline between domestic water and the water storage box.
The utility model discloses further improvement lies in, and the dormitory water area is connected to the other end of water storage box.
The utility model discloses further improvement lies in, sets up the sixth ooff valve between water storage box and the dormitory water area.
Compared with the prior art, the utility model discloses there is following technological effect:
the utility model discloses on the circulating water return circuit that comprises condenser, indirect air cooling tower and circulating water pump, add by first ooff valve, heat exchanger, water storage box and fourth ooff valve, with circulating water reposition of redundant personnel, utilize heat exchanger to give domestic water with circulating water heat transfer, reduced the circulating water temperature, alleviate the heat dissipation load of intercooling tower under the high temperature strong wind weather in summer, reduce the unit backpressure.
The utility model discloses use heat exchanger to utilize the circulating water waste heat, as the heat source of heating domestic water, do not consume any energy. Meanwhile, the heat exchanger is positioned in the water storage tank and can uninterruptedly heat domestic water for 24 hours, so that the hot water use requirement of plant personnel is met, and the harm caused by illegal use of the electric water heater is reduced.
The utility model discloses utilize the circulating water waste heat to replace electric heater to heat daily life water as the heat source, reduce electric heater's purchasing cost.
The utility model discloses utilize the circulating water waste heat to replace electric heater to heat daily life water as the heat source, reduce the installation cost because of the numerous electric heater of installation brings.
The utility model discloses both can be used for newly-built unit, also can be used for current unit to reform transform, have wide application prospect.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Description of reference numerals:
1-a condenser; 2-a first on-off valve; 3-water level monitoring sensor; 4-a second on-off valve; 5-a third regulating valve; 6-temperature monitoring sensor; 7-a water storage tank; 8-a heat exchanger; 9-an electric heater; 10-a fourth switch valve; 11-a fifth on-off valve; 12-an indirect cooling tower; 13-dormitory living quarters; 14-a sixth on-off valve; 15-circulating water pump.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figure 1, the utility model provides an indirect cooling tower circulating water waste heat utilization system and a method. A branch L1 composed of a first switch valve 2, a water storage tank 7, a heat exchanger 8 and a fourth switch valve 10 is additionally arranged on a circulating water loop composed of a condenser 1, an indirect air cooling tower 12 and a circulating water pump 15. Domestic water enters the water storage tank 7 through the second switch valve 4 and the third regulating valve 5 and is heated by the heat exchanger 8 and the electric heater 9, and the heated domestic water enters the dormitory living area 13 through the sixth switch valve 14 for users to use, so that a branch L2 is formed. Install water level monitoring sensor 3, temperature monitoring sensor 6 at water storage tank 7 and monitor the water level change and the temperature variation in water storage tank 7 at any time, prevent that the water level is low excessively and the temperature overtemperature, set up the heat preservation at the water storage tank outer wall simultaneously, reduce the temperature loss in the water storage tank 7. A heat exchanger 8 and an electric heater 9 are located in the reservoir 7 as heat sources in the reservoir 7 for heating domestic water. The heat exchanger 8 is a main heat source and is used for heating water for daily life; the electric heater 9 is an auxiliary heat source and is used only when the temperature of circulating water is low and can not meet the heat exchange requirement. When the temperature of the circulating water is low and the heat exchange requirement cannot be met, the first switch valve 2 is closed, the electric heater 9 is started to heat the domestic water, and the requirement of hot water for daily life is met. And a first switch valve 2 and a fourth switch valve 10 are arranged on the added branch L1 to regulate the branch circulating water flow. And a second switch valve 4, a third regulating valve 5 and a sixth switch valve 14 are additionally arranged on the branch L2, so that the regulation control of the domestic water flow and the maintenance and isolation of equipment are facilitated. Simultaneously, the water level monitoring sensor 3 is additionally arranged on the water storage tank 7, so that the change condition of the water level in the water storage tank is monitored at any time, and the water level in the water storage tank is prevented from being too low or too high. The water storage tank 7 is additionally provided with the temperature monitoring sensor 6, so that the water temperature change in the water storage tank can be monitored at any time, and the water temperature in the water storage tank is prevented from being over-temperature or the temperature can not meet the temperature requirement of domestic water. A branch L3 is additionally arranged on the branch L1, and the on-off of the circulating water passing through the branch L1 is controlled by a fifth switch valve.
The utility model provides a pair of intercooling tower circulating water waste heat utilization system and method, the during operation utilizes branch road L1 to shunt intercooling tower circulating water, and the circulating water after the reposition of redundant personnel passes through the domestic water exchange heat in heat exchanger 8 and the water storage box 7, reduces circulating water temperature, alleviates the heat dissipation load of intercooling tower under the high temperature strong wind weather in summer, reduces the unit backpressure, improves unit economy. Domestic water enters the water storage tank 7 through the branch L2 to exchange heat with circulating water serving as a heat source, and zero consumption of energy is realized. Meanwhile, the heat exchanger 8 and the electric heater 9 are positioned in the water storage tank 7, and when the temperature of the circulating water meets the heat exchange requirement, the heat exchanger 8 exchanges heat with domestic water; when the temperature of the circulating water is low, the electric heater 9 is started to heat the domestic water, and the first switch valve 2 is closed, so that the heat of electric heating is prevented from being taken away by the circulating water, the domestic water is continuously heated for 24 hours, the domestic hot water using requirements of plant personnel are met, and the harm and the increased cost caused by illegal use of the electric water heater are reduced. A branch L3 is additionally arranged on the branch L1, the on-off of circulating water passing through the branch L1 is controlled by a fifth switch valve, a part of the circulating water is connected to a circulating water outlet pipeline, the circulating water flow entering the indirect cooling tower is reduced, and the heat dissipation load of the indirect cooling tower is further reduced.
Claims (9)
1. A waste heat utilization system for circulating water of an indirect cooling tower is characterized by comprising a condenser (1), an indirect air cooling tower (12), a water storage tank (7), a heat exchanger (8) and an electric heater (9); the condenser (1) and the indirect air cooling tower (12) form a circulating water loop, a water inlet pipeline of the circulating water loop is provided with a water storage tank (7) and a heat exchanger (8), the heat exchanger (8) is connected to the circulating water loop through a pipeline, the heat exchanger (8) is arranged inside the water storage tank (7), and an electric heater (9) is arranged inside the water storage tank (7).
2. The indirect cooling tower circulating water waste heat utilization system of claim 1, wherein a first switch valve (2) and a fourth switch valve (10) are respectively arranged on two sides of a pipeline where the heat exchanger (8) of the water storage tank (7) is located.
3. The indirect cooling tower circulating water waste heat utilization system of claim 1, wherein the water storage tank (7) is provided with a water level monitoring sensor (3) and a temperature monitoring sensor (6).
4. The indirect cooling tower circulating water waste heat utilization system of claim 2, wherein a branch pipe is arranged between the heat exchanger (8) and the fourth switch valve (10) and is connected with a water outlet pipeline of the circulating water loop, and a fifth switch valve (11) is arranged on the branch pipe.
5. The indirect cooling tower circulating water waste heat utilization system of claim 1, wherein the water storage tank (7) is provided with a water level monitoring sensor (3) and a temperature monitoring sensor (6).
6. The indirect cooling tower circulating water waste heat utilization system of claim 1, wherein the outer wall of the water storage tank (7) is provided with an insulating layer.
7. The indirect cooling tower circulating water waste heat utilization system of claim 1, wherein the domestic water is connected with the water storage tank (7), and a second switch valve (4) and a third regulating valve (5) are arranged on a pipeline between the domestic water and the water storage tank (7).
8. The indirect cooling tower circulating water waste heat utilization system of claim 1, wherein the other end of the water storage tank (7) is connected with a dormitory water area (13).
9. The indirect cooling tower circulating water waste heat utilization system of claim 8, wherein a sixth switch valve (14) is arranged between the water storage tank (7) and the water area (13) of the dormitory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220954211.9U CN217209549U (en) | 2022-04-24 | 2022-04-24 | Intercooling tower circulating water waste heat utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220954211.9U CN217209549U (en) | 2022-04-24 | 2022-04-24 | Intercooling tower circulating water waste heat utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217209549U true CN217209549U (en) | 2022-08-16 |
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ID=82776706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220954211.9U Active CN217209549U (en) | 2022-04-24 | 2022-04-24 | Intercooling tower circulating water waste heat utilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217209549U (en) |
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2022
- 2022-04-24 CN CN202220954211.9U patent/CN217209549U/en active Active
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