CN106322600A - Air-conditioning cooling water cooling system - Google Patents
Air-conditioning cooling water cooling system Download PDFInfo
- Publication number
- CN106322600A CN106322600A CN201610793587.5A CN201610793587A CN106322600A CN 106322600 A CN106322600 A CN 106322600A CN 201610793587 A CN201610793587 A CN 201610793587A CN 106322600 A CN106322600 A CN 106322600A
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- CN
- China
- Prior art keywords
- water
- cooling
- temperature
- cooling water
- air conditioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F24F5/0003—Exclusively-fluid systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of 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
- 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
Abstract
The invention relates to the field of air conditioning design and discloses an air-conditioning cooling water cooling system which comprises a cooling device connected with a refrigerating unit and further comprises a refrigerating device and a heat exchanger; the cooling device is used for cooling the cooling water from the refrigerating unit; the refrigerating device comprises a water tank as well as a water inlet and a water outlet formed in the water tank; the water inlet is connected with other equipment for providing water sources through pipelines; the water outlet is connected with the heat exchanger, and is used for outputting high-temperature chilled water, wherein the temperature of the high-temperature chilled water is lower than that of the cooling water cooled by the cooling device; the heat exchanger is connected with the cooling device and the refrigerating unit, and is used for enabling the cooling water cooled by the cooling device to exchange heat with the high-temperature chilled water to further cool the cooling water cooled by the cooling device; and after being cooled by the cooling device, the cooling water exchanges heat with the high-temperature chilled water output by the refrigerating device to further cool the cooling water, so that deep cooling is realized.
Description
Technical field
The present invention relates to Air-conditioner design field, particularly to a kind of air conditioning cooling water cooling system.
Background technology
In air-conditioning equipment, cooling water dispels the heat for the compressor for air-conditioning, the heat produced at work by air-conditioning equipment
Amount disperses in time, to protect air-conditioning equipment and to avoid increasing power consumption, saves the energy, therefore cooling water seems outstanding in air-conditioning equipment
For important.
At present, the cooling system of cooling water uses cooling water pump to add the pattern of cooling tower mostly, and cooling water pump is by cooling-water machine
High-temperature water in group condenser is returned in handpiece Water Chilling Units condenser after delivering to cool down in cooling tower, forms a circulation
Cooling water system, can preferably reduce circulating cooling coolant-temperature gage by cooling tower.But in the damp and hot or hot conditions in south
Under, cooling tower is limited to the cooling-down effect of cooling water, and the cooling water outlet and inlet temperature difference is often up to less than 5 DEG C so that cooling water temperature
Higher, cause refrigerating capacity deficiency in unit running process, power consumption of refrigerating increase, system COP (heating energy efficiency ratio) to reduce, serious shadow
Ring air conditioning unit operation；And in Practical Project, higher to reduce cooling water temperature often through strengthening cooling water circulation amount
Adverse effect to unit, but effect is limited.
Summary of the invention
The invention provides a kind of air conditioning cooling water cooling system, cooling water is obtained in that through the effect of this cooling system
Preferably cooling-down effect.
For achieving the above object, the present invention provides following technical scheme:
A kind of air conditioning cooling water cooling system, including the chiller being connected with refrigeration unit, described chiller is used
In being lowered the temperature by the cooling water from refrigeration unit, also include refrigerating plant and heat exchanger, wherein:
Described refrigerating plant includes water tank and is arranged on the water inlet on described water tank and outlet, and described water inlet is used for
Being connected with other equipment providing water source by pipeline, described outlet is connected with described heat exchanger and exports high temperature chilled water,
The temperature of described high temperature chilled water is less than the temperature of the cooling water after described chiller is lowered the temperature；
Described heat exchanger is connected with described chiller and refrigeration unit, for by after apparatus for supercooling is lowered the temperature
Cooling water and high temperature chilled water carry out heat exchange to lower the temperature the cooling water after described chiller is lowered the temperature further.
In above-mentioned air conditioning cooling water cooling system, the water for cooling that water tank is inputted by refrigerating plant generates high temperature chilled water,
Cooling water to be lowered the temperature enters chiller from refrigeration unit, tentatively lowers the temperature at chiller；Then at the beginning of in heat exchanger
Cooling water after step cooling carries out heat exchange with the high temperature chilled water of refrigerating plant output, owing to the temperature of high temperature chilled water is less than warp
The temperature of the cooling water after apparatus for supercooling cooling so that heat cooling water after lowering the temperature through apparatus for supercooling transfers to high temperature
Chilled water is with further cooling down water, it is achieved the deep temperature reduction of cooling water, preferable to ensure the cooling-down effect of cooling water.
Preferably, described refrigerating plant is utilizing waste heat for refrigeration unit.
Preferably, the water inlet of described utilizing waste heat for refrigeration unit is connected with described user side, and other equipment described include using
Family end produces equipment or user's high temperature cold source equipment at waste heat water source.
Preferably, the equipment at described user side generation waste heat water source includes:
Co-generation unit produces the equipment at waste heat water source, or combustion gas combined supply system produces setting of waste heat water source
Standby.
Preferably, described heat exchanger is dividing wall type heat exchanger.
Preferably, described user's high temperature cold source equipment includes:
Cold-storage device secondary after preliminary temperature rise utilizes equipment, or freezing water refrigerating machine group is after user side
Part extracting device.
Preferably, other equipment described include chiller, and the water inlet of described refrigerating plant is cold with described by pipeline
The outlet of radiator cooler connects.
Preferably, described pipeline is provided with regulation valve.
Preferably, described heat exchanger is mixed flow heat exchanger.
Preferably, the temperature of described high temperature chilled water is 15～30 DEG C.
Preferably, refrigerating plant also includes: be arranged on the heat sink in described water tank, in temperature reduction refrigeration device
The water flowed into.
Preferably, described chiller is cooling tower.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of air conditioning cooling water cooling system that the present invention provides；
Fig. 2 is another structural representation of a kind of air conditioning cooling water cooling system that the present invention provides；
Fig. 3 is the direct reconstruction structure schematic diagram of the electricity refrigeration cooling by water Tower System that the present invention provides；
Fig. 4 is the reconstruction structure schematic diagram that the secondary after the cold-storage chilled water Preliminary Exploitation that the present invention provides utilizes.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under not making creative work premise
Execute example, broadly fall into the scope of protection of the invention.
As shown in Figure 1 and Figure 2, a kind of air conditioning cooling water cooling system, including the cooling dress being connected with refrigeration unit 1
Putting 3, chiller 3, for being lowered the temperature by the cooling water from refrigeration unit 1, also includes refrigerating plant 5 and heat exchanger 4,
Wherein:
Refrigerating plant 5 includes water tank and the water inlet being arranged on water tank and outlet, water inlet for by pipeline with
Other equipment providing water source connects, and outlet is connected with heat exchanger 4 and exports high temperature chilled water, and the temperature of high temperature chilled water is low
The temperature of the cooling water after lowering the temperature through apparatus for supercooling 3；
Heat exchanger 4 is connected with chiller 3 and refrigeration unit 1, for by the cooling after apparatus for supercooling 3 is lowered the temperature
Water and high temperature chilled water carry out heat exchange to lower the temperature the cooling water after apparatus for supercooling 3 is lowered the temperature further.
In above-mentioned air conditioning cooling water cooling system, the water for cooling that water tank is inputted by refrigerating plant 5 generates high temperature chilled water,
Cooling water to be lowered the temperature enters chiller 3 from refrigeration unit 1, tentatively lowers the temperature at chiller 3；Then at heat exchanger 4
In the high temperature chilled water of cooling water after preliminary cooling and refrigerating plant 5 output carry out heat exchange, due to the temperature of high temperature chilled water
Temperature less than the cooling water after apparatus for supercooling 3 is lowered the temperature so that heat cooling water after lowering the temperature through apparatus for supercooling 3 turns
Move on to high temperature chilled water with further cooling down water, it is achieved the deep temperature reduction of cooling water, to ensure the cooling-down effect of cooling water
Preferably.
In a kind of preferred implementation, refrigerating plant 5 is utilizing waste heat for refrigeration unit 1.According to air conditioning cooling water cooling system
Concrete applicable cases, utilizing waste heat for refrigeration unit 1 can be bromine cooling machine, it is also possible to other cold source devices.
In a kind of preferred implementation, the water inlet of utilizing waste heat for refrigeration unit 1 is connected with user side 2, and other equipment include
User side 2 produces equipment or user's high temperature cold source equipment at waste heat water source.When obtaining high temperature chilled water, user side 2 produces
Waste heat water source enter utilizing waste heat for refrigeration unit 1 by water inlet, and through utilizing waste heat for refrigeration unit 1 in utilizing waste heat for refrigeration unit 1
Effect forms cheap high temperature chilled water, for carrying out heat exchange with the cooling water after apparatus for supercooling 3 is lowered the temperature.
User side 2 provides a large amount of low-quality residual heat resources, it is provided that to the freezing that utilizing waste heat for refrigeration unit 1 is higher to produce temperature
Water, and chilled water temperature sets the higher operation COP that can be effectively improved utilizing waste heat for refrigeration unit 1 and refrigerating capacity, the height of generation
Temperature chilled water makes the cooling water after apparatus for supercooling 3 is lowered the temperature lower the temperature further in heat exchanger 4 position.
Specifically, user side 2 produces the equipment at waste heat water source and includes: produce setting of waste heat water source in co-generation unit
Standby, or combustion gas combined supply system produces the equipment at waste heat water source.User side 2 waste heat may be from what cogeneration of heat and power user produced
A large amount of waste heats, or be combined with combustion gas cooling-heating treatment, utilize a large amount of waste heats in trilogy supply and utilizing waste heat for refrigeration unit 1 real
Existing high temperature chilled water circulation, with thinking that other handpiece Water Chilling Units are lowered the temperature further, by referring to weather conditions, selects suitably combination
The method of operation and ratio, improve the overall efficiency of system or economy.Owing to summer is relatively fewer with heat, and use cold ratio
Significantly increase, and conventional utilizing waste heat for refrigeration unit 1 to produce freezing water process COP in the case of thermal source quality is low the lowest, warp
Ji property very poor so that combustion gas in summer combined supply system and cooling-heating treatment all have substantial amounts of low-quality thermal water resource cannot profit
With, and in above-mentioned air conditioning cooling water cooling system utilizing waste heat for refrigeration unit 1 that low-quality heat resource can be utilized to produce high temperature is cold
Freeze water, and utilize the cold water intaking cooling that high temperature chilled water is handpiece Water Chilling Units in summer, it is achieved the utilization of low-quality thermal source and raising
System energy efficiency and the target of economy.
Specifically, user's high temperature cold source equipment includes:
Cold-storage device secondary after preliminary temperature rise utilizes equipment, or freezing water refrigerating machine group is after user side
Part extracting device.
Transform in the chilled(cooling) water return (CWR) of existing refrigeration unit 1, only need to increase refrigerating plant 5 and can produce and stablize cheap height
Temperature chilled water, to realize the deep temperature reduction to cooling water, it is thus achieved that the preferably cascade utilization of energy, as it is shown on figure 3, can be used for existing
Have the direct transformation of electricity refrigeration cooling by water Tower System, existing conventional system refrigeration unit 1, chiller 3 (cooling tower),
Heat exchanger 4, utilizing waste heat for refrigeration unit, user side 2 and corresponding circulating pump 8 is increased to be formed on the basis of cooling water circulating pump 7
It is capable of the air conditioning cooling water cooling system of deep temperature reduction.
As shown in Figure 4, in the secondary utilization after cold-storage chilled water Preliminary Exploitation, conventional system refrigeration unit 1, cooling dress
Increase heat exchanger 4, utilizing waste heat for refrigeration unit, user side 2 on the basis of putting 3 (cooling towers), cooling water circulating pump 7 and follow accordingly
Ring controls pump 10 to form the air conditioning cooling water cooling system being capable of deep temperature reduction.Owing to considering electricity price under usual conditions
The paddy peak bigger situation of price difference, cold, when chilling requirement is bigger at noon for system storage by building water-retention pond 14 and control pump 11
Duan Liyong, accomplishes the most excessive of refrigeration unit 1 running, but cold-storage coolant-temperature gage routine directly utilizes as low-temperature receiver, often
Just having value within 15 DEG C, overage cold not yet utilizes.Through above-mentioned transformation, the starting stage utilizes temperature relatively low
Chilled water be directly user side 2 cooling, coolant-temperature gage to be cooled exceedes the scope of application, is opened by valve 13, and valve 12 is closed, profit
Make the cooling water tentatively cooled down through cooling tower lower the temperature further with water storage pool residue cold, make full use of water storage pool 14.
Additionally in the case of too high with cold peak period or sky temperature, Open valve 13 and valve 12 can meet user side simultaneously
2 use cold demand.
Specifically, heat exchanger 4 is dividing wall type heat exchanger.Temperature different through apparatus for supercooling 3 lower the temperature after cooling water with
High temperature chilled water flows in by the separate space of wall, and heat conduction and fluid by wall are in wall surface convection current so that pass through
Heat exchange is carried out, with further cooling down water, it is achieved cooling water between cooling water and high temperature chilled water after chiller 3 cooling
Deep temperature reduction, with ensure cooling water cooling-down effect preferable.
In a kind of preferred implementation, other equipment include chiller, and the water inlet of refrigerating plant passes through pipeline with cold
The outlet of radiator cooler connects.When obtaining high temperature chilled water, the cooling water lowered the temperature through apparatus for supercooling 3 is entered by water inlet
Utilizing waste heat for refrigeration unit 1, and in utilizing waste heat for refrigeration unit 1 through utilizing waste heat for refrigeration unit 1 effect formed high temperature chilled water, for
Cooling water after apparatus for supercooling 3 is lowered the temperature carries out heat exchange, adopts and can obtain high temperature chilled water in this way more conveniently.
Specifically, pipeline is provided with regulation valve 6, and regulation valve 6 flows into the cold of refrigerating plant 5 and heat exchanger 4 for regulating
But the shunt ratio of water.Regulation valve 6 is for regulating the shunt ratio of cooling water so that a part is after apparatus for supercooling 3 is lowered the temperature
Cooling water enters utilizing waste heat for refrigeration unit 1 cooling output high temperature chilled water, another part cooling water after apparatus for supercooling 3 is lowered the temperature
Be directly entered heat exchanger 4, and with high temperature chilled water mixed flow heat exchange after further cooling realize the deep temperature reduction of cooling water, cool down water
Shunt ratio can be adjusted as required, with ensure after deep temperature reduction cooling water temperature meet requirement.By closing
Reason controls the out temperature of high temperature chilled water and flow and the out temperature of cooling water and flow makes unit operation economy
Property and efficiency maximize.
Specifically, heat exchanger 4 is mixed flow heat exchanger 41.Utilizing waste heat for refrigeration unit 1 output high temperature chilled water be directly entered
The cooling water after apparatus for supercooling 3 is lowered the temperature of heat exchanger 4 contacts in mixed flow heat exchanger 41, is mixed with each other and carries out heat exchange, with
The temperature making the cooling water from mixed flow heat exchanger 41 output reduces.
In a kind of preferred implementation, the temperature of high temperature chilled water is 15～30 DEG C, and the temperature of high temperature chilled water can be
15℃、18℃、21℃、24℃、27℃、30℃。
In a kind of preferred implementation, refrigerating plant also includes: the heat sink being arranged in water tank, be used for system of lowering the temperature
The water flowed in device for cooling, in order to guarantee the high temperature chilled water obtaining temperature less than the temperature cooling down water after preliminary cooling,
The heat sink cooling down water in refrigerating plant 5 needs to lower the temperature the cooling water of utilizing waste heat for refrigeration unit 1 in time.
In a kind of preferred implementation, chiller 3 is cooling tower.Used for cooling tower in the cooling from refrigeration unit 1
Water is lowered the temperature, and contains only cooling tower in the most existing cooling system, is merely able to carry out cooling down the preliminary of water
Cooling, cooling-down effect is limited.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the embodiment of the present invention
Bright spirit and scope.So, if these amendments of the present invention and modification belong to the claims in the present invention and equivalent technologies thereof
Within the scope of, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. an air conditioning cooling water cooling system, it is characterised in that include the chiller being connected with refrigeration unit, described cold
Radiator cooler, for being lowered the temperature by the cooling water from refrigeration unit, also includes refrigerating plant and heat exchanger, wherein:
Described refrigerating plant includes water tank and is arranged on the water inlet on described water tank and outlet, and described water inlet is used for passing through
Pipeline is connected with other equipment providing water source, and described outlet is connected with described heat exchanger and exports high temperature chilled water, described
The temperature of high temperature chilled water is less than the temperature of the cooling water after described chiller is lowered the temperature；
Described heat exchanger is connected with described chiller and refrigeration unit, for by the cooling after apparatus for supercooling is lowered the temperature
Water and high temperature chilled water carry out heat exchange to lower the temperature the cooling water after described chiller is lowered the temperature further.
Air conditioning cooling water cooling system the most according to claim 1, it is characterised in that described refrigerating plant is utilizing waste heat for refrigeration
Unit.
Air conditioning cooling water cooling system the most according to claim 2, it is characterised in that the water inlet of described utilizing waste heat for refrigeration unit
Mouth is connected with described user side, and other equipment described include that user side produces equipment or user's high temperature low-temperature receiver at waste heat water source
Equipment.
Air conditioning cooling water cooling system the most according to claim 3, it is characterised in that described user side produces waste heat water source
Equipment include:
Co-generation unit produces the equipment at waste heat water source, or combustion gas combined supply system produces the equipment at waste heat water source.
Air conditioning cooling water cooling system the most according to claim 3, it is characterised in that described user's high temperature cold source equipment bag
Include:
Cold-storage device secondary after preliminary temperature rise utilizes equipment, or the portion that freezing water refrigerating machine group is after user side
Divide extracting device.
Air conditioning cooling water cooling system the most according to claim 3, it is characterised in that described heat exchanger is wall-type heat exchange
Device.
Air conditioning cooling water cooling system the most according to claim 2, it is characterised in that other equipment described include cooling dress
Putting, the water inlet of described refrigerating plant is connected with the outlet of described chiller by pipeline.
Air conditioning cooling water cooling system the most according to claim 7, it is characterised in that described pipeline is provided with regulation valve.
Air conditioning cooling water cooling system the most according to claim 7, it is characterised in that described heat exchanger is mixed flow heat exchange
Device.
Air conditioning cooling water cooling system the most according to claim 1, it is characterised in that the temperature of described high temperature chilled water
It it is 15～30 DEG C.
11. air conditioning cooling water cooling systems according to claim 1, it is characterised in that also include in described refrigerating plant:
It is arranged on the heat sink in described water tank, the water flowed in temperature reduction refrigeration device.
12. according to the air conditioning cooling water cooling system described in any one of claim 1～11, it is characterised in that described cooling fills
It is set to cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793587.5A CN106322600A (en) | 2016-08-31 | 2016-08-31 | Air-conditioning cooling water cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793587.5A CN106322600A (en) | 2016-08-31 | 2016-08-31 | Air-conditioning cooling water cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106322600A true CN106322600A (en) | 2017-01-11 |
Family
ID=57786281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610793587.5A Pending CN106322600A (en) | 2016-08-31 | 2016-08-31 | Air-conditioning cooling water cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106322600A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401853A (en) * | 2017-09-01 | 2017-11-28 | 四川省宜宾惠美线业有限责任公司 | A kind of refrigeration unit cold control system |
| CN109059400A (en) * | 2018-09-11 | 2018-12-21 | 苏州奥林威斯净化工程有限公司 | Fully-automatic intelligent energy-saving adjusting type cold supply system |
| CN109737531A (en) * | 2019-01-10 | 2019-05-10 | 湖南空源节能环保科技有限公司 | A kind of low evaporation-cooled device of indirect type |
| CN115773548A (en) * | 2022-11-23 | 2023-03-10 | 河南中烟工业有限责任公司 | Cooling system of cigarette factory |
| CN109059400B (en) * | 2018-09-11 | 2024-05-03 | 苏州奥林威斯净化工程有限公司 | Full-automatic intelligent regulation energy-saving type cooling system |
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| CN109737531A (en) * | 2019-01-10 | 2019-05-10 | 湖南空源节能环保科技有限公司 | A kind of low evaporation-cooled device of indirect type |
| CN115773548A (en) * | 2022-11-23 | 2023-03-10 | 河南中烟工业有限责任公司 | Cooling system of cigarette factory |
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Application publication date: 20170111 |
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