CN106288094B - Heat exchange cooling water system and control method - Google Patents
Heat exchange cooling water system and control method Download PDFInfo
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- CN106288094B CN106288094B CN201610872873.0A CN201610872873A CN106288094B CN 106288094 B CN106288094 B CN 106288094B CN 201610872873 A CN201610872873 A CN 201610872873A CN 106288094 B CN106288094 B CN 106288094B
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- 239000000498 cooling water Substances 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 200
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 238000003860 storage Methods 0.000 claims abstract description 25
- 230000001105 regulatory effect Effects 0.000 claims abstract description 24
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 239000008399 tap water Substances 0.000 description 20
- 235000020679 tap water Nutrition 0.000 description 20
- 238000004378 air conditioning Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F2005/0025—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using heat exchange fluid storage tanks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Sustainable Development (AREA)
- Other Air-Conditioning Systems (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides a heat exchange cooling water system which comprises a cooling water storage tank, a heat exchanger, a circulating water pump and a water cooling unit, wherein the cooling water storage tank is connected with the heat exchanger, the heat exchanger is connected with the circulating water pump, the circulating water pump is connected with the water cooling unit, and the water cooling unit is also connected with the cooling water storage tank to form a closed circulating system. The system overcomes the defects that the cooling water in the existing open type cooling system is easy to be polluted, and the normal operation of the equipment is influenced, and the like. Furthermore, the temperature of the cooling water at the water outlet of the circulating water pump is collected through a temperature sensor, the temperature value is converted into an electric signal and is transmitted to the electric three-way regulating valve, the return water flow of the high-temperature cooling water entering the circulating water pump is controlled through the electric three-way regulating valve, and the temperature of the cooling water before entering the water cooling unit is increased or reduced according to the amount of the return water of the high-temperature cooling water, so that the cooling water meets the standard state requirement.
Description
Technical Field
The invention relates to the technical field of air conditioning systems, in particular to a heat exchange cooling water system for a water chilling unit by utilizing a tap water pipe network and cooling water to carry out heat exchange and a control method.
Background
The conventional water-cooled chiller uses water as a cooling medium, and related devices include a cooling tower, a cooling water circulation pump, a pipeline, a valve system and the like. After the cooling water exchanges heat with the air-conditioning refrigeration equipment, the cooling water needs to be sent into a cooling tower and sprayed on the surface of the heat dissipation material to enable the heat dissipation material to be in contact with air. At this time, sensible heat exchange is generated between the hot water and the cold air, part of the hot water is evaporated at the same time, latent heat of evaporation is discharged into the air, and finally the cooled water falls into the tank and is sent back by a pump.
In the heat dissipation process of the cooling water, the cooling water contacts with air, which can cause CO2Escape into the cooling water to dissolve oxygen in the waterAnd the corrosion degree is increased, so that the problems of corrosion, scaling, bacterial and algae breeding, sludge and the like of a cooling circulating water system are caused. And also generates a great deal of loss due to evaporation, air entrainment and the like. For water-deficient areas, water resources are precious and cannot meet the requirement of a large amount of cooling water. In addition, the cooling tower has high noise and large occupied area during working, and needs sufficient outdoor space for placement.
In the novel open cooling water system on the market, tap water, daily water, production water or waste water discharged for use can be directly used as cooling water, and the cooling water is continuously used for production and life after being used. The system is easy to pollute because the system contacts with air at the source and the sink, and the water quality requirement of the cooling water can be ensured only by carrying out high-efficiency treatment on the water body to ensure the use effect, and the treatment with high requirement on the water quality improves the system cost and increases the use cost. In addition, cooling water after heat exchange is stored in the water tank, and due to the fact that the temperature rises, bacteria are easy to breed in the water tank, and the standard of domestic water is difficult to guarantee to be reached. Meanwhile, because the water supply system and the air conditioning water system are integrated, when the air conditioning subareas are different from the water supply subareas, the defects that the pressure of the water supply system is insufficient, or the pressure is over-pressure and the like, the two systems influence each other and the like easily occur.
Disclosure of Invention
The invention provides a heat exchange cooling water system and a control method thereof, aiming at solving the problems of equipment corrosion, scaling, bacteria and algae breeding, sludge and the like of the existing open type cooling circulating water system.
The technical scheme of the invention is as follows:
the utility model provides a heat exchange cooling water system, includes cooling water holding tank, heat exchanger, circulating water pump and water chilling unit, wherein, cooling water holding tank is connected with the heat exchanger, the heat exchanger is connected with circulating water pump, circulating water pump is connected with the water chilling unit, the water chilling unit has still constituted closed circulation system with cooling water holding tank.
Preferably, an electric three-way regulating valve is arranged on a connecting pipeline between the water cooling unit and the cooling water storage tank.
Preferably, the electric three-way regulating valve is further connected with a circulating water pump.
Preferably, a temperature sensor is arranged on a connecting pipeline of the circulating water pump and the water cooling unit.
Preferably, the temperature sensor is further connected with an electric three-way regulating valve.
A control method of a heat exchange cooling water system comprises the steps of firstly setting the temperature of cooling water before entering a water-cooling unit, then measuring the temperature of the cooling water at a water outlet of a circulating water pump, and finally controlling the return water flow of high-temperature cooling water in the circulating water pump according to the measured water temperature to change the temperature of the cooling water before entering the water-cooling unit so as to enable the temperature of the cooling water to reach the set state requirement.
Preferably, the temperature of the cooling water is collected by a temperature sensor.
Preferably, the temperature sensor converts the measured cooling water temperature value into an electric signal and transmits the electric signal to the electric three-way regulating valve, and the electric three-way regulating valve controls the return water flow of the high-temperature cooling water in the circulating water pump.
Preferably, when the water temperature at the water outlet of the circulating water pump is higher than the set water temperature, the return water flow of the circulating water pump is reduced through the electric three-way regulating valve.
Preferably, when the water temperature at the water outlet of the circulating water pump is lower than the set water temperature, the return water flow of the circulating water pump is increased through the electric three-way regulating valve.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a heat exchange cooling water system which comprises a cooling water storage tank, a heat exchanger, a circulating water pump and a water cooling unit, wherein the cooling water storage tank is connected with the heat exchanger, the heat exchanger is connected with the circulating water pump, the circulating water pump is connected with the water cooling unit, and the water cooling unit and the cooling water storage tank form a closed circulating system. The system overcomes the defects that the cooling water in the existing open type cooling system is easy to be polluted, and the normal operation of the equipment is influenced, and the like.
Furthermore, the temperature of the cooling water at the water outlet of the circulating water pump is collected through a temperature sensor, and the temperature value is converted into an electric signal and transmitted to the electric three-way regulating valve, so that the fluid flow of the electric three-way regulating valve is controlled.
Furthermore, the return water flow of the high-temperature cooling water entering the circulating water pump is controlled by the electric three-way regulating valve, and the temperature of the cooling water before entering the water cooling unit is increased or decreased according to the amount of the return water of the high-temperature cooling water, so that the temperature of the cooling water meets the standard state requirement.
A control method of a heat exchange cooling water system comprises the steps of firstly setting the temperature of cooling water before entering a water-cooling unit, then measuring the temperature of the cooling water at a water outlet of a circulating water pump, and finally controlling the return water flow of high-temperature cooling water in the circulating water pump according to the measured water temperature to change the temperature of the cooling water before entering the water-cooling unit so as to enable the temperature of the cooling water to reach the set state requirement. The control method realizes automatic temperature adjustment under the condition of real-time monitoring. Convenient and simple, and saves energy.
Drawings
FIG. 1 is a schematic diagram of the cooling water system;
FIG. 2 is a piping structure of a cooling water storage tank;
FIG. 3 is a diagram of the arrangement of the condenser connecting pipe valves in the water chiller;
FIG. 4 is a structural diagram of a circulating water pump connecting pipe valve arrangement;
the system comprises a water cooling unit 1, a water cooling unit 2, a circulating water pump 3, a cooling water storage tank 301, a water inlet pipe 302, a water drain pipe 303, an overflow pipe 4 and a heat exchanger.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention provides a heat exchange cooling water system which comprises a water chilling unit 1, a circulating water pump 2, a cooling water storage tank 3 and a heat exchanger 4. Wherein, the water outlet of the cooling water storage tank 3 is connected to the water inlet of the heat exchanger 4 through a pipeline provided with a first gate valve; a water outlet of the heat exchanger 4 is connected to a water inlet of the circulating water pump 2 through a pipeline provided with a second gate valve, an electronic water treatment instrument, a third gate valve, a first pressure gauge, a fourth gate valve and a Y-shaped filter, and meanwhile, the heat exchanger 4 is further connected with a tap water pipe network; a water outlet of the circulating water pump 2 is connected to a water inlet of a condenser of the water chilling unit 1 through a pipeline provided with a check valve, a first thermometer, a second pressure gauge, a temperature sensor and a second check valve; the water outlet of the condenser is connected to the cooling water storage tank 3 through a pipeline provided with a third stop valve, a second thermometer, a third pressure gauge and an electric three-way regulating valve.
The main path of the electric three-way regulating valve is connected with a water outlet of a condenser in the water chilling unit 1, a first branch path is connected with a water return port of the cooling water storage tank, and a second branch path is connected with a water inlet of the circulating water pump.
An overflow pipe 303, a drain pipe 302 and a water inlet pipe 301 are further mounted on the cooling water storage tank 3. The overflow pipe 303 is used for automatically overflowing when the cooling water in the water tank is excessive, so that the water quantity is ensured not to exceed the upper limit value. The drain pipe 302 is used for discharging the cooling water through the drain pipe 302 when the cooling water needs to be replaced, then the tap water is injected into the cooling water storage tank 3 through the water inlet pipe 301, and the heat exchange is carried out between the tap water and the tap water in the tap water pipe network through the heat exchanger 4, so that the new cooling water is formed.
The working process of the invention is as follows:
firstly, tap water is injected into the cooling water storage tank 3 through the water inlet pipe 301 on the cooling water storage tank 3, and heat exchange is carried out between the tap water and tap water in a tap water pipe network through the heat exchanger 4 to form cooling water, at the moment, the cooling water is subjected to water treatment through the electronic water treatment instrument, then the cooling water flows into the circulating water pump 2, and the cooling water is sent into a condenser in a water chilling unit through the circulating water pump 2 to provide cooling water for refrigeration equipment.
Then, part of the cooling water in the water chilling unit flows into the cooling water storage tank 3 through the electric three-way regulating valve, and part of the cooling water flows into the circulating water pump 2. At the moment, high-temperature return water in the cooling water storage tank 3 flows into the heat exchanger 4, and exchanges heat with low-temperature tap water in the tap water pipe network through the heat exchanger 4 to obtain new cooling water.
Because the water cooling unit 1 requires that the inlet temperature of cooling water is 32 ℃, the temperature of the cooling water before entering a condenser in the water cooling unit 1 is measured by a temperature sensor arranged on a water outlet pipeline of the circulating water pump 2, and the temperature value is converted into an electric signal to be transmitted to the electric three-way regulating valve.
At the moment, when the water temperature at the water outlet of the circulating water pump 2 is lower than 32 ℃, the electric three-way regulating valve is utilized to increase the return water flow of the circulating water pump 2, and the water temperature at the water outlet of the circulating water pump 2 is increased by mixing high-temperature return water with low-temperature cooling water in the circulating water pump 2 so as to reach the water temperature of 32 ℃ in a standard state;
when the water temperature at the water outlet of the circulating water pump 2 is higher than 32 ℃, the return water flow of the cooling water storage tank 3 is increased, the return water flow of the circulating water pump 2 is reduced, at the moment, the high-temperature return water of the cooling water storage tank 3 exchanges heat with the low-temperature tap water in the tap water pipeline network through the heat exchanger 4 to obtain low-temperature cooling water, and the water temperature at the water outlet of the circulating water pump 2 is reduced through mixing of the low-temperature cooling water and a small amount of high-temperature return water in the circulating water pump 2 so as to achieve the water temperature of 32 ℃ in a standard state.
For example, the water inlet temperature of cooling water of a conventional central air conditioner is 32 ℃, and the water outlet temperature is 37 ℃. The city tap water pipe network has water temperature of 10 deg.c in winter and 20 deg.c in summer. Tap water can completely replace a cooling tower to exchange condensation heat. Therefore, the cooling water with higher temperature after heat exchange with the condenser of the water chilling unit can exchange heat with the tap water with lower temperature in the tap water pipe network, so as to prepare the domestic hot water. And the hot water with the temperature of 35 ℃ can be directly used for bathing in summer and domestic hot water.
The invention takes away the condensation heat through the heat exchange between the cooling water and the tap water pipe network, has simple equipment, convenient operation, no need of consuming a large amount of energy, energy saving and environmental protection. Compared with the traditional water-cooled water chilling unit, the water-cooled water chilling unit has the advantages that the occupied area is small, the water-cooled water chilling unit can be arranged underground, the noise is avoided, the cooling water circulates in the closed space between the cooling water tank and the condenser, only water treatment is needed, and the cooling water can be permanently recycled, so that the cooling water is easily polluted, and the normal operation of equipment is affected. And the condensation heat is recovered to prepare hot water which can be directly used as domestic hot water, thereby realizing the recycling of energy.
Claims (6)
1. A heat exchange cooling water system is characterized in that: the cooling water circulation system comprises a cooling water storage tank (3), a heat exchanger (4), a circulating water pump (2) and a water cooling unit (1), wherein a water outlet of the cooling water storage tank (3) is connected with a water inlet of the heat exchanger (4), a water outlet of the heat exchanger (4) is connected with a water inlet of the circulating water pump (2), a water outlet of the circulating water pump (2) is connected with a water inlet of a condenser of the water cooling unit (1), and a water outlet of the condenser of the water cooling unit (1) is also connected with a water inlet of the cooling water storage tank (3) to form a closed circulation system;
an electric three-way regulating valve is arranged on a connecting pipeline between the water outlet of the water cooling unit (1) and the water inlet of the cooling water storage tank (3);
a temperature sensor is arranged on a connecting pipeline between the water outlet of the circulating water pump (2) and the water inlet of the condenser of the water cooling unit (1);
the electric three-way regulating valve is further connected with a circulating water pump (2); the temperature sensor is further connected with the electric three-way regulating valve.
2. A control method of a heat exchange cooling water system is characterized in that: the method is based on the heat exchange cooling water system of claim 1, firstly setting the temperature of cooling water before entering the water-cooling unit, then measuring the temperature of the cooling water at the water outlet of the circulating water pump, and finally controlling the return water flow of high-temperature cooling water in the circulating water pump according to the measured water temperature to change the temperature of the cooling water before entering the water-cooling unit so as to enable the temperature of the cooling water to reach the set state requirement.
3. The control method of a heat exchange cooling water system according to claim 2, characterized in that: the water temperature of the cooling water is acquired by a temperature sensor.
4. A control method of a heat exchange cooling water system according to claim 3, characterized in that: the temperature sensor converts the measured cooling water temperature value into an electric signal and transmits the electric signal to the electric three-way regulating valve, and the electric three-way regulating valve controls the return water flow of the high-temperature cooling water in the circulating water pump.
5. The control method of a heat exchange cooling water system according to claim 4, characterized in that: when the water temperature at the water outlet of the circulating water pump (2) is higher than the set water temperature, the return water flow of the circulating water pump (2) is reduced through the electric three-way regulating valve.
6. The control method of a heat exchange cooling water system according to claim 4, characterized in that: when the water temperature at the water outlet of the circulating water pump (2) is lower than the set water temperature, the return water flow of the circulating water pump (2) is increased through the electric three-way regulating valve.
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| CN201610872873.0A CN106288094B (en) | 2016-09-30 | 2016-09-30 | Heat exchange cooling water system and control method |
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| CN201610872873.0A CN106288094B (en) | 2016-09-30 | 2016-09-30 | Heat exchange cooling water system and control method |
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| CN106288094B true CN106288094B (en) | 2022-03-15 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106705307A (en) * | 2017-01-17 | 2017-05-24 | 东莞市金鸿盛电器有限公司 | Efficient water-cooling air-conditioner |
| CN110332826B (en) * | 2019-08-20 | 2021-08-06 | 中国船舶重工集团公司第七0三研究所 | Indirect cooling circulation marine gas turbine seawater heat exchanger based on constant temperature mixing system |
| CN111237082B (en) * | 2020-01-19 | 2022-07-29 | 山东速力动力科技有限公司 | Waste heat recovery device of gas generator set |
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Application publication date: 20170104 Assignee: Xi'an Vorino Electromechanical Equipment Co.,Ltd. Assignor: CHANG'AN University Contract record no.: X2024980013223 Denomination of invention: A heat exchange cooling water system and control method Granted publication date: 20220315 License type: Common License Record date: 20240828 |