CN108917239A - A kind of compound refrigeration system - Google Patents
A kind of compound refrigeration system Download PDFInfo
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- CN108917239A CN108917239A CN201811103480.9A CN201811103480A CN108917239A CN 108917239 A CN108917239 A CN 108917239A CN 201811103480 A CN201811103480 A CN 201811103480A CN 108917239 A CN108917239 A CN 108917239A
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 74
- 150000001875 compounds Chemical class 0.000 title claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 147
- 239000002131 composite material Substances 0.000 claims abstract description 38
- 239000007921 spray Substances 0.000 claims abstract description 36
- 230000006835 compression Effects 0.000 claims abstract description 32
- 238000007906 compression Methods 0.000 claims abstract description 32
- 239000003507 refrigerant Substances 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims description 35
- 230000008676 import Effects 0.000 claims description 32
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 17
- 239000000945 filler Substances 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 abstract description 3
- 229930014626 natural product Natural products 0.000 abstract 1
- 239000000498 cooling water Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 238000004378 air conditioning Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002528 anti-freeze Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- 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
- F24F5/001—Compression cycle type
-
- 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
- F24F5/0046—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 using natural energy, e.g. solar energy, energy from the ground
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Sustainable Energy (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
本发明公开了一种复合型制冷系统，包括压缩制冷系统和自然复合制冷系统；该压缩制冷系统包括制冷剂回路、循环水回路和喷淋水回路，该制冷剂回路包括压缩机、冷凝器、膨胀阀和蒸发装置，循环水回路包括第一电动关断阀，第一电动关断阀的进口与一冷冻水水利模块连接，蒸发装置的循环水进口和循环水出口之间设置有第二电动关断阀；该自然复合制冷系统包括第三电动关断阀、两个翅片式换热器和一个盘管式换热器。本发明将压缩制冷系统与自然复合制冷系统结合，在不同的室外工况下采用不同的制冷模式，充分发挥其各自的优势达到最有效的节能的目的，具有绿色、环保、高效、节能、节时、节材、节地、节成本以及运行稳定可靠的特点。
The invention discloses a composite refrigeration system, which includes a compression refrigeration system and a natural composite refrigeration system; the compression refrigeration system includes a refrigerant circuit, a circulating water circuit and a spray water circuit, and the refrigerant circuit includes a compressor, a condenser, Expansion valve and evaporating device, the circulating water circuit includes a first electric shut-off valve, the inlet of the first electric shut-off valve is connected to a chilled water hydraulic module, and a second electric motor is arranged between the circulating water inlet and the circulating water outlet of the evaporating device Shut-off valve; the natural compound refrigeration system includes a third electric shut-off valve, two fin heat exchangers and a coil heat exchanger. The invention combines the compression refrigeration system with the natural composite refrigeration system, adopts different refrigeration modes under different outdoor working conditions, fully exerts their respective advantages to achieve the most effective energy-saving purpose, and has the characteristics of green, environmental protection, high efficiency, energy saving, and energy saving. Time, material, land, cost and stable and reliable operation.
Description
Technical field
The present invention relates to air conditioner technical field, in particular to a kind of compound refrigeration system.
Background technique
With the development of China's manufacturing industry, various industries are also more and more for the dependence of air-conditioning, especially Metallurgy Industry,
The a large amount of chilled water of the needs such as power plant, bio-pharmaceutical industry carries out annual cooling processing to production equipment.In the prior art, right
In the place for needing year round cooling and offer technique cold water, traditional air-conditioning system only has a kind of refrigeration mode, and energy consumption is higher, refrigeration
Not enough directly, Energy Efficiency Ratio is low, can not make full use of, be not energy-saving and environment-friendly to natural cooling source in transition season and winter,
Refrigerating efficiency is not high.Moreover, the reliability and stability of traditional air-conditioning system at runtime is also not ideal enough.
Meanwhile traditional air-conditioning system still uses split-type design theory mostly, the design of air-conditioning system, installation, debugging,
O&M is more complicated, causes a large amount of artificial, materials, the waste of time and cost.
So how preferably to freeze using natural cooling source, a environmental protection, energy conservation, green integration system are developed
System becomes the trend of industry development.
Summary of the invention
In order to solve the above technical problems, the purpose of the present invention is to provide a kind of compound refrigeration systems, using integration
Compression refrigerating system in conjunction with natural composite refrigeration system, is used different systems by the theory of design under different outdoor operating conditions
Cold mode, while the free refrigeration characteristic for making full use of natural cooling source, the maximized efficiency for promoting compression refrigerating system,
Have the characteristics that when green, environmental protection, efficient, energy conservation, section, section material, save land, save cost and stable and reliable operation, and in the winter
It again can the antifreeze problem of effective solution when Ji Yunhang.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme：One kind is multiple
Mould assembly refrigeration system, including compression refrigerating system and natural composite refrigeration system；
The compression refrigerating system includes refrigerant circuit, circulating water loop and spray water loop, which includes successively
Compressor, condenser, expansion valve and the vaporising device for being connected by pipeline and being formed into a loop, the circulating water loop include first
Electronic shut-off valve, the import of the first electronic shut-off valve are connect with a chilled water water conservancy module, the outlet of the first electronic shut-off valve with
The circulating water intake of vaporising device connects, and the circulating water outlet of vaporising device is connect with air conditioner end equipment, air conditioner end equipment
It is connect again with the water return outlet of chilled water water conservancy module, is provided with second between the circulating water intake and circulating water outlet of vaporising device
Electronic shut-off valve, the shower water that the spray water loop sprays condense the refrigerant for entering condenser；
The nature composite refrigeration system includes the electronic shut-off valve of third, two finned heat exchangers and a coil exchanger,
The water outlet of chilled water water conservancy module is connect with the import of the electronic shut-off valve of third, the outlet of the electronic shut-off valve of third and two wings
Plate heat interchanger connection, two finned heat exchangers are to connect in parallel or series, and two connected in parallel or series are finned to be changed
Hot device is connected to coil exchanger again, and the outlet of coil exchanger is connect with the import of the second electronic shut-off valve.
Further, the spray water loop include pond, the feeding spraying pump being connect with the water outlet in pond and with spray
The spray water distributor of the water outlet connection of sprinkling pump, the spray water distributor are located at the top of condenser, and pond is located at condenser
Lower section.
Further, the top in the pond is equipped with cooling filler.
Further, the coil exchanger is located between spray water distributor and condenser, natural composite refrigeration system
One of finned heat exchanger be located at spray water distributor top.
Further, the right side in the pond is equipped with air draft static press device, and the top of the air draft static press device is equipped with cooling
Blower.
Further, the natural composite refrigeration system further includes an Intermediate Heat Exchanger and a water circulating pump, is changed among this
One import of hot device is connect with the outlet of the electronic shut-off valve of third, another import and the outlet of coil exchanger connect,
The one outlet of Intermediate Heat Exchanger is connect with the import of the second electronic shut-off valve, another outlet and the import of water circulating pump connect
It connects, the outlet of water circulating pump is connect with finned heat exchanger.
Further, the natural composite refrigeration system further includes an Intermediate Heat Exchanger and a water circulating pump, is changed among this
One import of hot device is connect with the water outlet of chilled water water conservancy module, another import and the outlet of the second electronic shut-off valve connect
It connects, the one outlet of the Intermediate Heat Exchanger is connect with air conditioner end equipment, another outlet is connect with the import of water circulating pump, is followed
The outlet of ring water pump is connect with the electronic shut-off valve of third.
It is characteristic of the invention that：The present invention can pass through the first electronic shut-off valve, the second electronic shut-off valve and the electronic pass of third
Disconnected valve realizes that the switching of compression refrigerating system refrigeration mode different with natural composite refrigeration system is made in summer using compression
Cooling system freezes, and in transition season, is then freezed jointly using compression refrigerating system and natural composite refrigeration system, in the winter
Then only freezed using nature composite refrigeration system in season, takes full advantage of external natural cooling source, reduce energy consumption.This hair
Compression refrigerating system refrigeration in bright is more direct, and condensation temperature is lower, and Energy Efficiency Ratio is high, and natural composite refrigeration system then uses wind
The cold mode combined with water cooling, natural cooling source utilize the time longer, and Energy Efficiency Ratio is higher；Moreover, compression refrigerating system with from
Right composite refrigeration system is combined, and accomplishes the configuration optimized, not only stable and reliable operation, high cooling efficiency, and realize
Energy-saving and environment-friendly effect can by adjusting different refrigeration for needing year round cooling and providing the place of technique cold water
Mode simultaneously provides required cold source using the foundation that ambient dew point temperature switches as natural cooling source for user side.
In addition, when outdoor temperature is high, finned heat exchanger can when the natural composite refrigeration system in the present invention is run
To cool down to the air of entrance, the condensation temperature of compression refrigerating system can be reduced；When outdoor temperature is low, wing can be passed through
Plate heat interchanger heats the air of entrance, and then the problem that effective solution is antifreeze.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embodiment of the present invention one.
Fig. 2 is the schematic diagram of the embodiment of the present invention two.
Fig. 3 is the schematic diagram of the embodiment of the present invention three.
Fig. 4 is the schematic diagram of the embodiment of the present invention four.
Fig. 5 is the schematic diagram of the embodiment of the present invention five.
Fig. 6 is the schematic diagram of the embodiment of the present invention six.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
As shown in Figure 1, a kind of embodiment one of compound refrigeration system according to the present invention, which includes compression
Refrigeration system and natural composite refrigeration system.
The compression refrigerating system includes that refrigerant circuit, circulating water loop and spray water loop, the refrigerant circuit include
Pass sequentially through compressor 1, condenser 2, expansion valve 3 and vaporising device 4 that pipeline is connected and is formed into a loop.The circulating water loop
Including the first electronic shut-off valve 5, the import of the first electronic shut-off valve 5 is connect with a chilled water water conservancy module 6, the first electronic shutdown
The outlet of valve 5 is connect with the circulating water intake of vaporising device 4, and the circulating water outlet of vaporising device 4 is connect with air conditioner end equipment,
Air conditioner end equipment is connect with the water return outlet of chilled water water conservancy module 6 again, the circulating water intake and circulating water outlet of vaporising device 4
Between be provided with the second electronic shut-off valve 12.Spray the shower water that water loop includes pond 13, connect with the water outlet in pond 13
Pump 18 and the spray water distributor 14 connecting with the water outlet of feeding spraying pump 18, the spray water distributor 14 are located at the upper of condenser 2
Side, pond 13 are located at the lower section of condenser 2, and the top in pond 13 is equipped with cooling filler 11.The spray that the spray water loop sprays
Water drenching condenses the refrigerant for entering condenser 2.In the present embodiment one, the refrigerating medium into vaporising device 4 is freezing
Water.
The nature composite refrigeration system includes that 7, two finned heat exchangers 8 of the electronic shut-off valve of third and a coiled change
Hot device 10.In the present embodiment one, natural composite refrigeration system further includes an Intermediate Heat Exchanger 17 and a water circulating pump 16.At this
In embodiment one, coil exchanger 10,16, two, water circulating pump formed between finned heat exchanger 8 and Intermediate Heat Exchanger 17
Chilled(cooling) water return (CWR), between the electronic shut-off valve 7 of third, Intermediate Heat Exchanger 17, the second electronic shut-off valve 12 and chilled water water conservancy module 6
Form chilled water circuit.The outlet of the electronic shut-off valve 7 of third is to be indirectly connected with two finned heat exchangers 8, coiled heat exchange
It is to be indirectly connected between the outlet of device 10 and the second electronic shut-off valve 12.Specifically, the water outlet of chilled water water conservancy module 6 and
The import of three electronic shut-off valves 7 connects, the outlet of the electronic shut-off valve 7 of third and an import of Intermediate Heat Exchanger 17（Chilled water
Import）Connection, the one outlet of Intermediate Heat Exchanger 17（Chilled water outlet）It is connect with the import of the second electronic shut-off valve 12, it is intermediate
Another import of heat exchanger 17（Cooling water inlet）Connect with the outlet of coil exchanger 10, centre heat exchange go 17 it is another
A outlet（Cooling water outlet）It is connect with water circulating pump 16, the import of water circulating pump 16 and one of finned heat exchanger 8 connects
It connects, two finned heat exchangers 8 are to be connected in series, another finned heat exchanger 8 is connected to coil exchanger 10 again.
Furtherly, coil exchanger 10 is located between spray water distributor 14 and condenser 2, natural composite refrigeration system
One of finned heat exchanger 8 be located at spray water distributor 14 top.The right side in pond 13 is equipped with air draft static press device 9,
The top of the air draft static press device 9 is equipped with cooling blower 15.
When summer, outdoor temperature was higher, the first electronic shut-off valve 5 is opened, the second electronic shut-off valve 12 and third electricity
Dynamic shut-off valve 7 is closed, and compression refrigerating system work, natural composite refrigeration system does not work, and chilled water water conservancy module 6 is evaporation dress
4 offer chilled waters are provided（Refrigerating medium）.The heat of refrigerant suction chilled water in vaporising device 4, is vaporized into the steaming of low-temp low-pressure
Vapour, compressor 1 suck refrigerant vapour, and after overcompression, refrigerant vapour becomes the steam of high temperature and pressure.The system of high temperature and pressure
Refrigerant vapour enters condenser 2.Water in pond 13 is pumped into spray water distributor 14 by feeding spraying pump 18, sprays water distributor 14
Spray shower water.Refrigerant vapour into condenser 2 releases heat, and the shower water that spray water distributor 14 sprays takes away heat,
Refrigerant vapour is condensed into the liquid of high pressure low temperature.Pass through expansion valve 3 by the refrigerant liquid of condensed high pressure low temperature
Becoming the liquid of low-pressure low-temperature after throttling, the refrigerant liquid of low-temp low-pressure enters vaporising device 4, heat absorption vaporization is carried out again,
So circulation realizes the temperature-fall period to the chilled water in vaporising device 4.Chilled water after cooling is from vaporising device 4
Circulating water outlet（Chilled water outlet）Outflow, into air conditioner end equipment, by air conditioner end equipment provide technique cold water or
The cooling capacity of chilled water is conveyed to the space for needing to freeze.In addition, the shower water that water distributor 14 sprays is sprayed in cyclic process,
After coil exchanger 10, condenser 2, using pond 13 is entered after cooling filler 11, to be recycled.Pond 13
The shower water for carrying under one's arms waste heat and air can be carried out heat exchange by the cooling filler 11 of top, so that waste heat is transferred to air and spilt into
In atmosphere.Compression refrigerating system refrigeration is more direct, and high cooling efficiency, condensation temperature is lower, and Energy Efficiency Ratio is high.
Into after transition season, when outdoor temperature is not much different with chilled water return water temperature, the electronic shut-off valve 7 of third is opened
It opens, the first electronic shut-off valve 5 and the second electronic shut-off valve 12 are closed, compression refrigerating system and natural composite refrigeration system together work
Make, chilled water water conservancy module 6 provides chilled water for nature composite refrigeration system and compression refrigerating system.Chilled water is by third electricity
Dynamic shut-off valve 7 enters Intermediate Heat Exchanger 17.Cooling water in Intermediate Heat Exchanger 17 cools down to chilled water, from Intermediate Heat Exchanger
The chilled water of 17 chilled water outlet outflow passes through the circulating water intake of vaporising device 4（Chilled water import）Into compression refrigeration system
System.Compression refrigerating system work completes the cooling procedure again to chilled water by refrigerant circuit and spray water loop.From steaming
The circulating water outlet of transmitting apparatus 4（Chilled water outlet）The chilled water of outflow enters air conditioner end equipment, passes through air conditioner end equipment
Technique cold water is provided or the cooling capacity of chilled water is conveyed to the space for needing to freeze.Enter Intermediate Heat Exchanger 17 for cooling
The cooling water of chilled water is then flowed out from the cooling water outlet of Intermediate Heat Exchanger 17, and finned into two by water circulating pump 16
Heat exchanger 8 and coil exchanger 10, cooling water in finned heat exchanger 8 and coil exchanger 10 with external air into
After row heat exchange, is flowed out from coil exchanger 10, enters Intermediate Heat Exchanger 17 via the cooling water inlet of Intermediate Heat Exchanger 17,
The chilled water for entering Intermediate Heat Exchanger 17 is cooled down with realizing.In addition, the shower water that spray water distributor 14 sprays
Cooling water in coil exchanger 10 can be cooled down.Compression refrigerating system and natural composite refrigeration system work together,
Natural cooling source can be made full use of, the energy consumption of compression refrigerating system is reduced, relative energy-saving environmental protection is reliable for operation and efficient.
When winter, outdoor temperature was lower, the electronic shut-off valve 7 of third and the second electronic shut-off valve 12 are opened, the first electronic pass
Disconnected valve 5 is closed, natural composite refrigeration system work, and compression refrigerating system is without refrigeration work, chilled water water conservancy module 6
Natural composite refrigeration system provides chilled water.The process of refrigerastion of natural composite refrigeration system repeats no more.Cooled chilled water
Enter air conditioner end equipment by the second electronic shut-off valve 12, provides technique cold water by air conditioner end equipment or by chilled water
Cooling capacity be conveyed to and need the space freezed.Natural composite refrigeration system work, compression refrigerating system does not work, to realize
The process for making full use of natural cooling source to freeze in winter has saved the energy consumption of compression refrigerating system, more energy-saving ring completely
It protects.Meanwhile natural composite refrigeration system can be carried out in cyclic process by the air of two 8 pairs of finned heat exchanger entrance
Heating, the air that is heated with shower water, coil exchanger 10, cooling 11 contact heat-exchanging of filler, can effectively prevent
The risk of freezing equipment, preferably guarantee equipment stablizes safe operation.
In addition, during the work time, cooling blower 15 can accelerate air to flow, refrigeration can also quickly be taken away by air
Heat in agent, cooling water and shower water improves radiating efficiency.
Fig. 2 is a kind of schematic diagram of the embodiment two of compound refrigeration system of the present invention.Embodiment two and embodiment one
Difference is：The Intermediate Heat Exchanger and water circulating pump being not provided in natural composite refrigeration system in embodiment one.Third is electronic
Shape between shut-off valve 7, finned heat exchanger 8, coil exchanger 10, the second electronic shut-off valve 12 and chilled water water conservancy module 6
At chilled water circuit.Refrigerating medium into vaporising device 4 is chilled water.Natural composite refrigeration system passes through coil exchanger
10, the cooperation of finned heat exchanger 8 and air directly cools down to chilled water.Compression refrigerating system by refrigerant circuit and
Water loop completion is sprayed to the temperature-fall period of chilled water.
Fig. 3 is a kind of schematic diagram of the embodiment three of compound refrigeration system of the present invention.In the embodiment three, centre is changed
The electronic shut-off valve 7 of hot device 17, water circulating pump 16, third, finned heat exchanger 15, coil exchanger 10 and the second electronic shutdown
Chilled(cooling) water return (CWR) is formed between valve 12.Refrigerating medium into vaporising device 4 is cooling water.Specifically, embodiment three and embodiment
One difference is：One import of the Intermediate Heat Exchanger 17（Chilled water import）Connect with the water outlet of chilled water water conservancy module 6
It connects, the one outlet of Intermediate Heat Exchanger 17（Chilled water outlet）Connect with air conditioner end equipment, the Intermediate Heat Exchanger 17 it is another
A import（Cooling water inlet）It is connect with the outlet of the second electronic shut-off valve 12, another outlet of Intermediate Heat Exchanger 17（It is cooling
Water out）It is connect with the import of water circulating pump 16, the outlet of water circulating pump 16 is connect with the electronic shut-off valve 7 of third, water circulating pump
16 outlet is also connect with the first electronic shut-off valve 5.Natural composite refrigeration system and compression refrigerating system are realized to cooling water
Temperature-fall period, to realized indirectly by Intermediate Heat Exchanger 17 to the temperature-fall period of chilled water.
Fig. 4 is a kind of schematic diagram of the example IV of compound refrigeration system of the present invention.Example IV and embodiment one
Difference is：Two finned heat exchangers 8 are to be connected in parallel.
Fig. 5 is a kind of schematic diagram of the embodiment five of compound refrigeration system of the present invention.Embodiment five and embodiment two
Difference is：Two finned heat exchangers 8 are to be connected in parallel.
Fig. 6 is a kind of schematic diagram of the embodiment six of compound refrigeration system of the present invention.Embodiment six and embodiment three
Difference is：Two finned heat exchangers 8 are to be connected in parallel.
The present invention is different from the switching foundation of legacy system cold source, but uses ambient dew point temperature to switch foundation, from
Right composite refrigeration system can be power source using dry air, greatly improve the utilization rate of natural cooling source, and power savings advantages are obvious,
It runs more safe and reliable.
The present invention uses the theory of integrated design by compression refrigerating system in conjunction with natural composite refrigeration system, in difference
Outdoor operating condition under use different refrigeration modes, while the free refrigeration characteristic for making full use of natural cooling source, maximize
Promotion compression refrigerating system efficiency, have green, environmental protection, efficiently, energy conservation, section when, section material, save land, save cost and fortune
The reliable and stable feature of row, and while running in winter, can the antifreeze problem of effective solution.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (7)
1. a kind of compound refrigeration system, it is characterised in that：Including compression refrigerating system and natural composite refrigeration system；
The compression refrigerating system includes refrigerant circuit, circulating water loop and spray water loop, which includes successively
Compressor, condenser, expansion valve and the vaporising device for being connected by pipeline and being formed into a loop, the circulating water loop include first
Electronic shut-off valve, the import of the first electronic shut-off valve are connect with a chilled water water conservancy module, the outlet of the first electronic shut-off valve with
The circulating water intake of vaporising device connects, and the circulating water outlet of vaporising device is connect with air conditioner end equipment, air conditioner end equipment
It is connect again with the water return outlet of chilled water water conservancy module, is provided with second between the circulating water intake and circulating water outlet of vaporising device
Electronic shut-off valve, the shower water that the spray water loop sprays condense the refrigerant for entering condenser；
The nature composite refrigeration system includes the electronic shut-off valve of third, two finned heat exchangers and a coil exchanger,
The water outlet of chilled water water conservancy module is connect with the import of the electronic shut-off valve of third, the outlet of the electronic shut-off valve of third and two wings
Plate heat interchanger connection, two finned heat exchangers are to connect in parallel or series, and two connected in parallel or series are finned to be changed
Hot device is connected to coil exchanger again, and the outlet of coil exchanger is connect with the import of the second electronic shut-off valve.
2. a kind of compound refrigeration system according to claim 1, it is characterised in that:The spray water loop includes water
Pond, the feeding spraying pump being connect with the water outlet in pond and the spray water distributor being connect with the water outlet of feeding spraying pump, the spray
Water distributor is located at the top of condenser, and pond is located at the lower section of condenser.
3. a kind of compound refrigeration system according to claim 2, it is characterised in that:The top in the pond is equipped with cooling
Filler.
4. a kind of compound refrigeration system according to claim 2, it is characterised in that:The coil exchanger is located at spray
It drenches between water distributor and condenser, one of finned heat exchanger of natural composite refrigeration system is located at the upper of spray water distributor
Side.
5. a kind of compound refrigeration system according to claim 2, it is characterised in that:The right side in the pond is equipped with row
The top of wind static press device, the air draft static press device is equipped with cooling blower.
6. a kind of compound refrigeration system stated according to claim 1, it is characterised in that:The nature composite refrigeration system is also
Including an Intermediate Heat Exchanger and a water circulating pump, an import of the Intermediate Heat Exchanger and the outlet of the electronic shut-off valve of third connect
It connects, another import and the outlet of coil exchanger connect, the one outlet of Intermediate Heat Exchanger and the second electronic shut-off valve
Import connection, another outlet are connect with the import of water circulating pump, and the outlet of water circulating pump is connect with finned heat exchanger.
7. a kind of compound refrigeration system stated according to claim 1, it is characterised in that:The nature composite refrigeration system is also
Including an Intermediate Heat Exchanger and a water circulating pump, an import of the Intermediate Heat Exchanger and the water outlet of chilled water water conservancy module connect
It connects, another import is connect with the outlet of the second electronic shut-off valve, the one outlet and air conditioner end equipment of the Intermediate Heat Exchanger
Connection, another outlet are connect with the import of water circulating pump, and the outlet of water circulating pump is connect with the electronic shut-off valve of third.
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| CN201811103480.9A CN108917239A (en) | 2018-09-20 | 2018-09-20 | A kind of compound refrigeration system |
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| CN201811103480.9A CN108917239A (en) | 2018-09-20 | 2018-09-20 | A kind of compound refrigeration system |
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| CN112413755A (en) * | 2020-12-14 | 2021-02-26 | 珠海格力电器股份有限公司 | Precooling dehumidification device, method and system and air conditioning equipment |
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Application publication date: 20181130 |