CN106288094A - A kind of heat exchange cooling water system and control method - Google Patents
A kind of heat exchange cooling water system and control method Download PDFInfo
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- CN106288094A CN106288094A CN201610872873.0A CN201610872873A CN106288094A CN 106288094 A CN106288094 A CN 106288094A CN 201610872873 A CN201610872873 A CN 201610872873A CN 106288094 A CN106288094 A CN 106288094A
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- water
- cooling water
- temperature
- circulating pump
- heat exchange
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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
-
- 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
-
- 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
-
- 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
-
- 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)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
A kind of heat exchange cooling water system that the present invention provides, including cooling water storage tank, heat exchanger, water circulating pump and water chiller, wherein, described cooling water storage tank is connected with heat exchanger, described heat exchanger is connected with water circulating pump, described water circulating pump is connected with water chiller, and described water chiller has also connected and composed this closed circulatory system with cooling water storage tank.This system overcomes cooling water in existing open cooling system to be easily contaminated, the defects such as the equipment that affects is properly functioning.Further, by temperature sensor, the cooling water of water circulating pump outlet is carried out temperature acquisition, and temperature value is changed into the signal of telecommunication pass to electric three-way regulating valves, the most again by the circling water flow rate of high-temperature cooling water in electric three-way regulating valves control entrance water circulating pump, improved by the number of this high-temperature cooling water backwater or be lowered into the cooling water temperature before water chiller so that it is reaching standard state requirement.
Description
Technical field
Type of the present invention relates to air conditioning system technical field, is specifically related to one and utilizes tap water pipe network to carry out heat with cooling water
Exchange the heat exchange cooling water system for handpiece Water Chilling Units and control method.
Background technology
Traditional water-cooled cold water unit with water as cooling medium, its relevant apparatus include cooling tower, cooling water circulating pump,
Pipeline and valve system etc..After cooling water carries out heat exchange with operation of air conditioning systems, cooling tower need to be sent into, be sprayed cause and dissipate
Hot material surface, is allowed to contact with air.Now, generation Exchange of apparent heat effect between hot water and cold air, partly
Hot water is evaporated, and is drained into by evaporation latent heat in air, and finally the water after cooling falls in groove, utilizes pump to back into.
In the radiation processes of above-mentioned cooling water, cooling water and air contact, CO can be caused2Escape in cooling water, in water
Dissolved oxygen and the increase of erosion degree, corrosion and scaling, bacterium algae grow and the problem such as mud to cause cooling circulating water system to occur.Simultaneously by
Carry etc. in evaporation and air and can produce a large amount of loss.For water-deficient area, water resource is the most valuable, it is impossible to meet a large amount of
Cooling water demand.It addition, noise is higher during cooling tower work, area occupied is bigger, it is desirable to have the sufficient exterior space gives
Lay.
And for new open type cooling water system the most on the market, tap water, civil water, industrial water maybe may be used
Waste discharge is directly used as cooling down water, and cooling water, after using, is further continued for being used for producing, life.This system form is because of it
All contacting with air at Yuan Hehui, therefore cooling water is easily contaminated, and carries out for ensureing using effect to be accomplished by water body
Efficiently process just can ensure to cool down the water quality requirement of water, and this process water quality high request allows for system cost raising, increases
Add cost of use.It addition, the cooling water after heat exchange is stored in water tank, due to the rising of temperature so that in water tank
The easy breed bacteria of water, it is difficult to ensure that reach the standard of domestic water.Meanwhile, because of it, water supply system is combined into conditioned water system
Integrally, when air conditioning zoning is different from feedwater subregion, the problems such as water supply system insufficient pressure, or superpressure, two systems easily occur
The defect such as interact.
Summary of the invention
Putting forward a kind of heat exchange cooling water system and control method that invention provides, purpose solves existing open cooling and follows
Equipment corrosion that ring water system occurs, fouling, bacterium algae grow and the problem such as mud.
Technical scheme is specific as follows:
A kind of heat exchange cooling water system, including cooling water storage tank, heat exchanger, water circulating pump and water chiller, wherein,
Described cooling water storage tank is connected with heat exchanger, and described heat exchanger is connected with water circulating pump, described water circulating pump and water chiller
Connecting, described water chiller also constitutes closed circulatory system with cooling water storage tank.
Preferably, described water chiller is provided with electric three-way regulating valves on the connection pipeline of cooling water storage tank.
Preferably, described electric three-way regulating valves is the most also connected with water circulating pump.
Preferably, described water circulating pump is provided with temperature sensor on the connection pipeline of water chiller.
Preferably, described temperature sensor is connected with electric three-way regulating valves further.
The control method of a kind of heat exchange cooling water system, is first set into the cooling water temperature before water chiller, it
The cooling water temperature of rear measurement water circulating pump outlet, finally according to high temperature cooling in the water temperature control water circulating pump of measurement gained
The circling water flow rate of water, changes the cooling water temperature before entering water chiller so that it is reach to set conditions dictate.
Preferably, the water temperature of described cooling water is to be gathered by temperature sensor.
Preferably, the coolant water temperature angle value measuring gained is changed into the signal of telecommunication and passes to electronic three by described temperature sensor
Logical regulation valve, by the circling water flow rate of high-temperature cooling water in electric three-way regulating valves control water circulating pump.
Preferably, when the outlet water temperature of water circulating pump is higher than set water temperature, then reduced by electric three-way regulating valves
The circling water flow rate of water circulating pump.
Preferably, when the outlet water temperature of water circulating pump is less than set water temperature, then increased by electric three-way regulating valves
The circling water flow rate of water circulating pump.
Compared with prior art, the invention has the beneficial effects as follows:
A kind of heat exchange cooling water system that the present invention provides, including cooling water storage tank, heat exchanger, water circulating pump and water
Cold group, wherein, described cooling water storage tank is connected with heat exchanger, and described heat exchanger is connected with water circulating pump, described recirculated water
Pump is connected with water chiller, and described water chiller also constitutes closed circulatory system with cooling water storage tank.This system overcomes
Existing open cooling system cools down water be easily contaminated, the defects such as the equipment that affects is properly functioning.
Further, by temperature sensor, the cooling water of water circulating pump outlet is carried out temperature acquisition, and by temperature
Value changes into the signal of telecommunication and passes to electric three-way regulating valves, and then controls the fluid flow of electric three-way regulating valves.
Further, by the circling water flow rate of high-temperature cooling water in electric three-way regulating valves control entrance water circulating pump, logical
Cross the number of this high-temperature cooling water backwater improve or be lowered into the cooling water temperature before water chiller so that it is reach standard shape
State requirement.
The control method of a kind of heat exchange cooling water system, is first set into the cooling water temperature before water chiller, it
The cooling water temperature of rear measurement water circulating pump outlet, finally according to high temperature cooling in the water temperature control water circulating pump of measurement gained
The circling water flow rate of water, changes the cooling water temperature before entering water chiller so that it is reach to set conditions dictate.This control method
In the case of monitoring in real time, it is achieved be automatically adjusted temperature.Convenience, the simple and saving energy.
Accompanying drawing explanation
Fig. 1 is this cooling water system schematic diagram；
Fig. 2 is cooling water storage tank pipe laying structure figure；
Fig. 3 is water chiller inner condenser adapter valve arrangement figure；
Fig. 4 is water circulating pump adapter valve arrangement figure；
Wherein, 1, water chiller 2, water circulating pump 3, cooling water storage tank 301, water inlet pipe 302, tapping pipe 303,
Overflow pipe 4, heat exchanger.
Detailed description of the invention
The present invention is described in more detail below in conjunction with the accompanying drawings.
A kind of heat exchange cooling water system that the present invention provides, cools down water storage tank 3 including handpiece Water Chilling Units 1, water circulating pump 2
With heat exchanger 4.Wherein, the outlet of described cooling water storage tank 3 is connected to heat exchanger 4 by being equipped with the pipeline of the first gate valve
Water inlet；The outlet of heat exchanger 4 by be equipped with the second gate valve, electric water treatment device, the 3rd gate valve, the first Pressure gauge, the 4th
Gate valve, the pipeline of y-type filter are connected to the water inlet of water circulating pump 2, and the most described heat exchanger 4 is gone back and running water pipe further
Net connects；The outlet of water circulating pump 2 is by being equipped with non-return valve, the first stop valve, the first thermometer, the second Pressure gauge, temperature
Sensor, the pipeline of the second stop valve are connected to the water inlet of the condenser of handpiece Water Chilling Units 1；The outlet of condenser is by being equipped with
3rd stop valve, the second thermometer, the 3rd Pressure gauge, the pipeline of electric three-way regulating valves are connected to cool down water storage tank 3.
The main road of described electric three-way regulating valves is connected with the outlet of the condenser in handpiece Water Chilling Units 1, the first branch road with
The water return outlet of cooling water storage tank connects, and the second branch road is connected with the water inlet of water circulating pump.
Overflow pipe 303, tapping pipe 302 and water inlet pipe 301 also it is equipped with on described cooling water storage tank 3.Described overflow pipe
303 act as when cooling water excess in water tank is overflowed automatically, it is ensured that the water yield is less than higher limit.Described tapping pipe
302 act as when needs change cooling water time, by tapping pipe 302, cooling water drainage can be gone out, then pass through water inlet pipe 301 to cold
But storage tank 3 injects tap water, and carries out heat exchange by heat exchanger 4 with the tap water in tap water pipe network, is formed new cold
But water.
The work process of the present invention:
In cooling water storage tank 3, tap water is injected firstly the need of the water inlet pipe 301 on logical supercooled water storage tank 3, and
Carrying out heat exchange by heat exchanger 4 and the tap water in tap water pipe network and form cooling water, now this cooling water is through electronic water
Processing instrument carries out water process, flows to water circulating pump 2 the most again, by this water circulating pump 2, described cooling water is delivered to handpiece Water Chilling Units
In condenser in, to refrigeration plant provide cooling water.
Cooling water in handpiece Water Chilling Units flows to cool down in water storage tank 3 by an electric three-way regulating valves part afterwards, and one
Part flows in water circulating pump 2.Now the high-temperature tempering in cooling water storage tank 3 flows in heat exchanger 4, by heat exchanger 4 with
Low temperature tap water in tap water pipe network carries out heat exchange and obtains new cooling water.
Owing to water chiller 1 requires that the inflow temperature of cooling water is 32 DEG C, therefore by water circulating pump 2 outlet pipeline
The temperature sensor measurement of upper installation goes out to enter the temperature of the cooling water before water chiller 1 inner condenser, and is converted by temperature value
The signal of telecommunication is become to pass to electric three-way regulating valves.
Now when the water temperature of water circulating pump 2 outlet is less than 32 DEG C, then utilize electric three-way regulating valves, increase recirculated water
The circling water flow rate of pump 2, by high-temperature tempering and the mixing of low-temperature cooling water in water circulating pump 2, improves water circulating pump 2 outlet
Water temperature, to reach 32 DEG C of water temperatures under standard state；
When the water temperature of water circulating pump 2 outlet is higher than 32 DEG C, then increase the circling water flow rate of cooling water storage tank 3, reduce
The circling water flow rate of water circulating pump 2, now, the high-temperature tempering of cooling water storage tank 3 is by low with in tap water pipe network of heat exchanger 4
Temperature tap water carries out heat exchange, obtains low-temperature cooling water, by high-temperature tempering a small amount of in this low-temperature cooling water and water circulating pump 2
Mixing, reduces the water temperature of water circulating pump 2 outlet, to reach 32 DEG C of water temperatures under standard state.
If conventional central air-conditioner cooling water inflow temperature is 32 DEG C, leaving water temperature is 37 DEG C.And the city tap-water pipe network winter
It water temperature is 10 DEG C, and summer, tap water water temperature was 20 DEG C.Can substitute for cooling tower completely to be swapped out by condenser heat with tap water.Cause
This available through with the condenser heat exchange of handpiece Water Chilling Units after the higher cooling water of temperature relatively low with temperature in tap water pipe network
Tap water carry out heat exchange, prepare domestic hot-water with this.And 35 DEG C of hot water can be directly used for having a bath summer and domestic hot-water makes
With.
The present invention leads to the heat exchange of supercooled water and tap water pipe network to take away condensation heat, and its equipment is simple, easy to operate,
Need not consume mass energy, energy-conserving and environment-protective.Compared with tradition water-cooled cold water unit, floor space is less, may be provided at ground
Under, it is to avoid the generation of noise, circulates in closing space due to cooling water, need to carry out one between cooling water tank and condenser
Secondary water process, can permanent loops use compensate for cool down water be easily contaminated, the deficiency that the equipment that affects is properly functioning.And reclaim cold
Solidifying hot preparation hot water, can use directly as domestic hot-water, it is achieved that the recycling of the energy.
Claims (10)
1. a heat exchange cooling water system, it is characterised in that: include cooling down water storage tank (3), heat exchanger (4), water circulating pump
And water chiller (1) (2), wherein, described cooling water storage tank (3) is connected with heat exchanger (4), described heat exchanger (4) and circulation
Water pump (2) connect, described water circulating pump (2) is connected with water chiller (1), described water chiller (1) also with cool down water storage tank
(3) closed circulatory system is constituted.
A kind of heat exchange cooling water system the most according to claim 1, it is characterised in that: described water chiller (1) is with cold
But it is provided with electric three-way regulating valves on the connection pipeline of water storage tank (3).
A kind of heat exchange cooling water system the most according to claim 2, it is characterised in that: described electric three-way regulating valves enters
One step is also connected with water circulating pump (2).
A kind of heat exchange cooling water system the most according to claim 1, it is characterised in that: described water circulating pump (2) and water
It is provided with temperature sensor on the connection pipeline of cold group (1).
5. according to a kind of heat exchange cooling water system described in claim 2 or 4, it is characterised in that: described temperature sensor is entered
One step is connected with electric three-way regulating valves.
6. the control method of a heat exchange cooling water system, it is characterised in that: first it is set into the cooling before water chiller
Coolant-temperature gage, measures the cooling water temperature of water circulating pump outlet afterwards, controls water circulating pump finally according to the water temperature measuring gained
The circling water flow rate of interior high-temperature cooling water, changes the cooling water temperature before entering water chiller so that it is reach to set conditions dictate.
The control method of a kind of heat exchange cooling water system the most according to claim 6, it is characterised in that: described cooling water
Water temperature be to be gathered by temperature sensor.
The control method of a kind of heat exchange cooling water system the most according to claim 7, it is characterised in that: described temperature passes
The coolant water temperature angle value measuring gained is changed into the signal of telecommunication and passes to electric three-way regulating valves by sensor, is regulated by electric three passes
The circling water flow rate of high-temperature cooling water in valve control water circulating pump.
The control method of a kind of heat exchange cooling water system the most according to claim 8, it is characterised in that: work as water circulating pump
(2) when outlet water temperature is higher than set water temperature, then the circling water flow rate of water circulating pump (2) is reduced by electric three-way regulating valves.
The control method of a kind of heat exchange cooling water system the most according to claim 8, it is characterised in that: work as recirculated water
When the outlet water temperature of pump (2) is less than set water temperature, then increased the backwater stream of water circulating pump (2) by electric three-way regulating valves
Amount.
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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 CN106288094B (en) | 2022-03-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110332826A (en) * | 2019-08-20 | 2019-10-15 | 中国船舶重工集团公司第七0三研究所 | Based on SAPMAC method marine gas turbine seawater heat exchanger between fixed temperature blending system |
| CN111237082A (en) * | 2020-01-19 | 2020-06-05 | 山东赛马力动力科技有限公司 | Waste heat recovery device of gas generator set |
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| 冯彪: "闭式循环冷却水系统的优化工艺及机理研究", 《中国优秀硕士学位论文全文数据库工程科技I辑》 * |
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| 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 |
| CN110332826A (en) * | 2019-08-20 | 2019-10-15 | 中国船舶重工集团公司第七0三研究所 | Based on SAPMAC method marine gas turbine seawater heat exchanger between fixed temperature blending system |
| CN111237082A (en) * | 2020-01-19 | 2020-06-05 | 山东赛马力动力科技有限公司 | Waste heat recovery device of gas generator set |
| 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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| CN106288094B (en) | 2022-03-15 |
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