CN109974374A - A kind of refrigeration system - Google Patents
A kind of refrigeration system Download PDFInfo
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- CN109974374A CN109974374A CN201910231563.4A CN201910231563A CN109974374A CN 109974374 A CN109974374 A CN 109974374A CN 201910231563 A CN201910231563 A CN 201910231563A CN 109974374 A CN109974374 A CN 109974374A
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- refrigeration system
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/001—Arrangement or mounting of control or safety devices for cryogenic fluid systems
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20763—Liquid cooling without phase change
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- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
The present invention provides a kind of refrigeration system, including open cooling tower, heat-exchange device, cooling spraying device, first pipe and second pipe, the coolant liquid circulated is provided in first pipe, the freezing liquid circulated is provided in second pipe, wherein: open cooling tower is connected to first pipe, and open cooling tower is provided with spray region, the coolant liquid in first pipe is sprayed to spray region；Heat-exchange device is connected to first pipe and second pipe, for carrying out the heat exchange between coolant liquid and freezing liquid；Second pipe is partially provided in data center；Cooling spraying device includes sprayer, and the cooling of sprayer can spray by spraying to spray region and cool down to the coolant liquid of spray region spray, so as to reduce the energy consumption in data center's temperature-fall period.
Description
Technical field
The present invention relates to refrigeration system technical field more particularly to a kind of refrigeration systems.
Background technique
With the development of information technology, data are become more and more important, and enterprise and government build the data of oneself one after another
Center, to improve processing and the application etc. to data.And data center is because being provided with a large amount of servers, storage equipment and net
Network equipment, a large amount of heat that these equipment can generate in the process of running, is easy to cause temperature in data center to steeply rise,
If cooling down not in time, the equipment in data center may be easily damaged because temperature is excessively high, therefore, be realized in data center
Cooling is a problem to be solved.
Wherein, to realize to the cooling in data center, refrigeration system usually is set for data center, is by refrigeration
System distributes the heat in data center.But current refrigeration system is usually that refrigerator is used to freeze, and refrigerator
It needs to consume higher electricity in process of refrigerastion, and then the energy consumption of data center is caused to increase.As it can be seen that at present in data center
There is a problem of that energy consumption is high in temperature-fall period.
Summary of the invention
The embodiment of the present invention provides a kind of refrigeration system, and to solve, there are energy consumption height in data center's temperature-fall period at present
The problem of.
To solve the above problems, the embodiment of the present invention is so realized:
The embodiment of the invention provides a kind of refrigeration systems, including open cooling tower, heat-exchange device, the spraying dress of cooling
It sets, first pipe and second pipe, is provided with the coolant liquid circulated in the first pipe, is set in the second pipe
It is equipped with the freezing liquid circulated, in which:
The open cooling tower is connected to the first pipe, and the open cooling tower is provided with spray region, described
Coolant liquid in first pipe is sprayed to the spray region；
The heat-exchange device is connected to the first pipe and the second pipe, is used for the first pipe and institute
State the heat exchange between second pipe；
The second pipe is partially provided in data center；
The cooling spraying device includes sprayer, and the cooling of the sprayer can be sprayed by spraying to the spray region simultaneously
Cool down to the coolant liquid of spray region spray.
In the embodiment of the present invention, refrigeration system includes open cooling tower, heat-exchange device, cooling spraying device, the first pipe
Road and second pipe are provided with the coolant liquid circulated in first pipe, be provided in second pipe circulate it is cold
Freeze liquid, in which: open cooling tower is connected to first pipe, and open cooling tower is provided with spray region, cold in first pipe
But liquid is sprayed to spray region；Heat-exchange device is connected to first pipe and second pipe, for first pipe and the second pipe
Heat exchange between road；Second pipe is partially provided in data center；The spraying device that cools down includes sprayer, sprayer
Cooling can spray by spraying to spray region and cool down to the coolant liquid of spray region spray.In this way, refrigeration system can lead to
It crosses cooling by spraying to cool down to coolant liquid, and realizes the heat exchange of coolant liquid and freezing liquid by heat-exchange device, so that cold
Freeze liquid cooling, and then realize and heat in data center is distributed, so as to reduce the energy consumption in data center's temperature-fall period.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is one of the structural schematic diagram of refrigeration system provided in an embodiment of the present invention；
Fig. 2 is the second structural representation of refrigeration system provided in an embodiment of the present invention；
Fig. 3 is the third structural representation of refrigeration system provided in an embodiment of the present invention；
Fig. 4 is the four of the structural schematic diagram of refrigeration system provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It is a kind of structural schematic diagram of refrigeration system provided in an embodiment of the present invention referring to Fig. 1, Fig. 1, as shown in Figure 1, system
Cooling system includes open cooling tower 10, heat-exchange device 20, cool down spraying device 30, first pipe 40 and second pipe 50,
It is provided with the coolant liquid circulated in first pipe 40, the freezing liquid circulated is provided in second pipe 50, in which:
Open cooling tower 10 is connected to first pipe 40, and open cooling tower 10 is provided with spray region, first pipe 40
Interior coolant liquid is sprayed to spray region；
Heat-exchange device 20 is connected to first pipe 40 and second pipe 50, is used for first pipe 40 and second pipe 50
Between heat exchange；
Second pipe 50 is partially provided in data center 100；
The spraying device 30 that cools down includes sprayer 31, and the cooling of sprayer 31 can be sprayed by spraying to spray region and to spray
The coolant liquid of region spray cools down.
Here, refrigeration system by spraying can cool down to coolant liquid by cooling down, and be realized by heat-exchange device 20
The heat exchange of coolant liquid and freezing liquid, so that freezing liquid cools down, and then realizes and distributes to heat in data center 100, so as to
To reduce the energy consumption in 100 temperature-fall period of data center.
In the embodiment of the present invention, the course of work of above-mentioned refrigeration system are as follows: the coolant liquid and second pipe of first pipe 40
50 freezing liquid flows separately through heat-exchange device 20, and the coolant liquid flowed through and freezing liquid can be carried out hot friendship by heat-exchange device 20
It changes, the coolant liquid passed through takes away the partial heat of the freezing liquid flowed through, realizes the cooling of freezing liquid；Freezing liquid after cooling
Data center 100 is flowed through by second pipe 50, takes away the partial heat in data center 100, realizes the drop of data center 100
Temperature, and the freezing liquid after data center 100 heats up and is back to heat-exchange device 20, forms circulating for freezing liquid；
The coolant liquid of outflow heat-exchange device 20 heats up because taking away the partial heat of freezing liquid, and the coolant liquid of heating passes through first pipe
40, which are back to open cooling tower 10, cools down, and heat-exchange device 20 is back to after cooling；
Wherein, temperature-fall period of the open cooling tower 10 to the coolant liquid flowed through are as follows: open cooling tower 10 is by by coolant liquid
With on the filler in spray pattern spray to spray region, and during coolant liquid spray, cooling spraying device 30 passes through spraying
Device 31 sprays into cooling by spraying to spray region, and cooling is spraying to be contacted with coolant liquid and air and carry out heat exchange, then passes through wind
Machine drives tower interior air-flow circulation, and the thermal current after exchanging heat with water is taken out of, to realize the cooling to coolant liquid.
It should be noted that above-mentioned open cooling tower 10 may include tower body, spray equipment and blower etc., set in tower body
It is equipped with above-mentioned spray region；Spray equipment is connected to first pipe 40 and spray equipment is used to for coolant liquid to be sprayed to spray region
It is interior；Blower can be set in tower body, for taking the thermal current sprayed in region out of.Due to the specific knot of open cooling tower 10
Structure is known to the skilled person, and the present invention does not make improvements, herein and without repeating.
In the embodiment of the present invention, above-mentioned heat-exchange device 20 can be any cooling water and chilled water that can be realized and flow through
Between heat exchange device.
Optionally, above-mentioned heat-exchange device 20 includes plate heat exchanger and/or refrigerator.
Here, refrigeration system only can realize the heat exchange between coolant liquid and freezing liquid by plate heat exchanger, or
The heat exchange between coolant liquid and freezing liquid is only realized by refrigerator, or can also be while passing through heat exchanger and refrigerator
The heat exchange between coolant liquid and freezing liquid is realized, to keep the set-up mode of heat-exchange device 20 flexible.
Wherein, plate heat exchanger is the heat exchange that the coolant liquid and freezing liquid that circulate are realized by its wooden partition, board-like
Heat exchanger is not necessarily to power consumption in heat transfer process；And the condenser of refrigerator is connect with first pipe 40 and evaporator with
Second pipe 50 connects, and condenser, which passes through the cooling water flowed through, reduces the refrigerant temperature that the compressor of refrigerator comes out, evaporation
The heat in chilled water that device flows through can be by refrigerant suction, to realize heat exchange, and the compressor in heat exchanging process
It needs to consume electric energy.
As the specific structure and working principle of plate heat exchanger and refrigerator for those skilled in the art known to, and
It is not made improvements in the embodiment of the present invention, herein and without repeating.
It should be noted that can be at least one in plate heat exchanger and refrigerator due to above-mentioned heat-exchange device 20
, and determine the tool of above-mentioned heat-exchange device 20 according to outdoor wet-bulb temperature by operator for can be under different scenes
Body constitute, such as: outdoor wet-bulb temperature it is lower such as less than or be equal to temperature value T1 in the case where, above-mentioned heat-exchange device 20
It can be and be provided only with plate heat exchanger；In the medium such as larger than temperature value T1 of outdoor wet-bulb temperature and it is less than or equal to temperature value
In the case where T2, above-mentioned heat-exchange device 20 can be while be provided with plate heat exchanger and refrigerator；And in outdoor wet bulb temperature
Degree is higher, and such as larger than or equal in the case where temperature value T2, above-mentioned heat-exchange device 20, which can be, is provided only with refrigerator, etc.
Deng.
In the specific embodiment of the invention, as shown in Fig. 2, above-mentioned heat-exchange device 20 may include plate heat exchanger 21 and cold
Jelly machine 22, above-mentioned refrigeration system can also include the first valve group 61 and the second valve group 62, and the first valve group 61 be set to the
Between one pipeline 40 and plate heat exchanger 21, the second valve group 62 is set between first pipe 40 and refrigerator 22, in which:
In the case where the first valve group 61 is in first state and the second valve group 62 is in the second state, first pipe
40 are connected to plate heat exchanger 21 and are not connected to refrigerator 22；
In the case where the first valve group 61 is in the second state and the second valve group 62 is in first state, first pipe
40 are not connected to plate heat exchanger 21 and are connected to refrigerator 22；
In the case where the first valve group 61 is in first state and the second valve group 62 is in first state, first pipe
40 are connected to plate heat exchanger 21 and refrigerator 22.
Here, in the case where heat-exchange device 20 includes plate heat exchanger 21 and refrigerator 22, control the can be passed through
The working condition (i.e. first state or the second state) of one valve group 61 and the second valve group 62 is realized and changes heat-exchange device
20 working condition carries out heat exchange by plate heat exchanger 21, carries out heat exchange by refrigerator 22 or by board-like
Heat exchanger 21 and refrigerator 22 carry out heat exchange, so that refrigeration system be made to be applied to several scenes.
Wherein, above-mentioned first valve group 61 can be any for controlling what first pipe 40 was connected to plate heat exchanger 21
Structure；Above-mentioned second valve group 62 can be any for controlling the structure that first pipe 40 is connected to refrigerator 22 and above-mentioned
First valve group 61 or the second valve group 62 may include at least one valve.
Such as: as shown in Figure 2, above-mentioned first valve group 61 may include the first valve K1 and the second valve K2, the
In the case that one valve K1 is closed and the second valve K2 is opened, the first valve group 61 is in the first working condition, first pipe 40
It is connected to plate heat exchanger 21, cooling water is allowed to flow through plate heat exchanger 21, to be realized by plate heat exchanger 21 cold
But the cooling between water and chilled water, in the case where the first valve K1 is opened and the second valve K2 is closed, the first valve group 61
In the second working condition, first pipe 40 is not connected to plate heat exchanger 21, i.e., cooling water does not flow through plate heat exchanger 21；Together
Sample, the second valve group 62 may include third valve K3 and the 4th valve K4, in third valve K3 closing and the 4th valve K4
In the case where unlatching, the second valve group 62 is in the first working condition, and in third valve K3 unlatching and the pass the 4th valve K4
In the case where closing, the second valve group 62 is in the second working condition.
In addition, further including including plate heat exchanger 21 and refrigerator 22 and refrigeration system in above-mentioned heat-exchange device 20
In the case where first valve group 61 and the second valve group 62, above-mentioned refrigeration system can also include third valve group 63 and the 4th valve
Door group 64, third valve group 63 is set between plate heat exchanger 21 and second pipe 50, and is in the in the first valve group 61
When one state, third valve group 63 is in first state, so that plate heat exchanger 21 is connected to second pipe 50, and in the first valve
When door group 61 is in the second state, third valve group 63 is in the second state, so that plate heat exchanger 21 and second pipe 50 are not
Connection；4th valve group 64 is set between refrigerator 22 and second pipe 50, and is in first state in the second valve group 62
When, the 4th valve group 64 is in first state, so that refrigerator 22 is connected to second pipe 50, and is in the second valve group 62
When the second state, the 4th valve group 64 is in the second state, so that refrigerator 22 is not connected to second pipe 50.
Certainly, above-mentioned third valve group 63 and the 4th valve group 64 can respectively include at least one valve.Such as: as schemed
Shown in 2, above-mentioned third valve group 63 may include the 5th valve K5 and the 6th valve K6, in the 5th valve K5 closing and the 6th
In the case that valve K6 is opened, third valve group 63 is in the first working condition, in the 5th valve K5 unlatching and the 6th valve K6
In the case where closing, third valve group 63 is in the second working condition；Similarly, above-mentioned 4th valve group 64 may include the 7th
Valve K7 and the 8th valve K8, in the case where the 7th valve K7 is closed and the 8th valve K8 is opened, the 4th valve group 64 is in
First working condition, in the case where the 7th valve K7 is opened and the 8th valve K8 is closed, the 4th valve group 64 is in the second work
Make state.
It should be noted that the working condition of above-mentioned control the first valve group 61 and the second valve group 62, can be operation
Personnel switch over according to actual scene, such as: it can be the temperature according to refrigeration system local environment, in data center 100
Temperature or the working condition of first valve group 61 of control such as season and the second valve group 62 specifically can be in winter
Control that the first valve group 61 is in first state and the second valve group 62 is in the second state, spring or autumn control the first valve
Door group 61 and the second valve group 62 are in first state, and summer controls the first valve group 61 and is in the second state and the second valve
Group 62 is in first state, etc..
Alternatively, controller and sensor etc. has also can be set in above-mentioned refrigeration system, realizes and automatically control the first valve
The working condition of group 61 and the second valve group 62, such as: it can be and temperature sensor is set in data center 100, refrigeration system
The controller of system can be according to the temperature in the data center 100 that the temperature sensor detects, the first valve group of real-time control
61 and second valve group 62 working condition, to keep the operation of refrigeration system convenient.
Optionally, as shown in Fig. 2, refrigeration system further includes the first temperature sensor 81 and the first controller 71, first
Temperature sensor 81 is set to the outlet end of open cooling tower, and the first temperature of the coolant liquid for detecting outlet end；
First controller 71 is electrically connected with the first valve group 61, the second valve group 62 and the first temperature sensor 81, the
One controller 71 is used to control the first valve group 61 according to the first temperature and the second valve group 62 is in first state/second shape
State.
Here, the first temperature sensor 81 of refrigeration system can detecte the coolant liquid of the outlet end of open cooling tower 10
Temperature (i.e. the first temperature), and the first controller 71 can control the first valve group 61 and the second valve in time according to the first temperature
The working condition of door group 62, due to the temperature height of the coolant liquid of the outlet end of open cooling tower 10, for passing through plate-type heat-exchange
The temperature of freezing liquid after device 21 or refrigerator 22 exchange heat exists and directly affects, to can not only make to operate convenient, may be used also
Further to promote refrigeration system to the temperature reduction performance of data center 100.
Wherein, above-mentioned first controller 71 respectively with above-mentioned first temperature sensor 81, the first valve group 61 and second
Valve group 62 is electrically connected, so as to realize that the first controller 71 controls the first valve group 61 and the second valve according to the first temperature
The working condition of door group 62.
It should be noted that above-mentioned first controller 71 can also control third valve group 63 and the 4th valve group 64
Working condition, and the first controller 71 is also electrically connected with third valve group 63 and the 4th valve group 64.
Further alternative, above-mentioned first controller 71 is also used to: being less than or equal to the first default temperature in the first temperature
In the case where degree, the first valve group 61 of control is in first state and the second valve group 62 is in the second state；In the first temperature
Degree be greater than the first preset temperature and less than the second preset temperature in the case where, control at the first valve group 61 and the second valve group 62
In first state；In the case where the first temperature is more than or equal to the second preset temperature, the first valve group 61 of control is in the
Two-state and the second valve group 62 are in first state, to keep the first controller 71 pre- with first according to the first temperature
If the comparison result of temperature and the second preset temperature, the working condition of the first valve group 61 and the second valve group 62 is controlled,
Mode is simple and response is more timely.
Certainly, above-mentioned first controller 71 controls the first valve group 61 according to the first temperature and the second valve group 62 is in
First state/be in the second state, is also possible to realize by other preset rules, such as: it can also be and be preset with multiple not phases
Adjacent temperature range, the first temperature range according to locating for the first temperature of controller 71 control the first valve group 61 and second
Valve group 62 is in working condition corresponding with the locating temperature range, etc..
The present invention further includes more specifically the first temperature sensor 81 and first in above-mentioned refrigeration system in embodiment
In the case where controller 71, as shown in Figure 2, refrigeration system can also include second temperature sensor 82, second temperature sensing
Device 82 is set to the liquid feeding end of heat-exchange device 20, the second temperature of the freezing liquid for detecting liquid feeding end；
First controller 71 is also used to according to the difference between the first temperature and second temperature, control the first valve group 61 with
And second valve group 62 be in first state/second state.
Here, the first controller 71 can according to the liquid feeding end of open cooling tower 10 go out liquid temperature (i.e. the first temperature) and
The temperature difference for returning liquid temperature (i.e. second temperature) of the outlet end of heat-exchange device 20, controls the first valve group 61 and the second valve
The working condition of group 62 further promotes the temperature reduction performance of refrigeration system to keep control more precisely and suitable.
Such as: go out liquid in the coolant liquid that the freezing liquid of above-mentioned liquid feeding end returns liquid temperature (i.e. second temperature) and above-mentioned outlet end
When the temperature difference of temperature (i.e. the first temperature) is less than or equal to T3, above-mentioned first controller 71 be can control at the first valve group 61
In the second state and the second valve group 62 is in first state, and refrigerator 22 is only made to carry out heat exchange；In the cold of above-mentioned liquid feeding end
When the temperature difference that jelly liquid time liquid temperature and the coolant liquid of above-mentioned outlet end go out liquid temperature is greater than T3 and is less than T4, above-mentioned first controller
71 can control the first valve group 61 and the second valve group 62 is in first state, so that plate heat exchanger 21 and refrigerator
22 carry out heat exchange；Go out the temperature difference of liquid temperature in the freezing liquid time liquid temperature of above-mentioned liquid feeding end and the coolant liquid of above-mentioned outlet end
More than or equal to T4, above-mentioned first controller 71 can control the first valve group 61 and be in first state and the second valve group 62
In the second state, plate heat exchanger 21 is only made to carry out heat exchange.
It should be noted that in the case where refrigeration system further includes second temperature sensor 82, above-mentioned first controller
71 are electrically connected with second temperature sensor 82.
Certainly, above-mentioned refrigeration system is also provided with other temperature sensors, if setting is for wet bulb temperature outside sensing chamber
The sensor of degree, and the controller in refrigeration system can be according to the outdoor wet-bulb temperature detected, or combines outdoor wet bulb
The temperature difference of the family of temperature and above-mentioned first temperature and second temperature controls above-mentioned first valve group 61 and above-mentioned second valve group 62
Working condition, herein and without repeating.
In some embodiment of the invention, above-mentioned in the case where above-mentioned heat-exchange device 20 includes above-mentioned refrigerator 22
First controller 71 can be electrically connected with refrigerator 22, for according to above-mentioned first temperature or the first temperature and second temperature
Difference controls the operating status of refrigerator 22, such as the power or opening time of control refrigerator 22, and realizing reduces refrigerator
Energy consumption.It is of course also possible to be passed through by the way that refrigerator 22 to be electrically connected with other controllers for being different from the first controller 71
Other controllers control the operating status of refrigerator 22, are not defined herein.
In the embodiment of the present invention, the coolant liquid circulated, above-mentioned second pipe 50 are provided in above-mentioned first pipe 40
Inside it is provided with the freezing liquid circulated, wherein above-mentioned coolant liquid can be cooling water or other liquid, and above-mentioned freezing liquid
It can be chilled water or other liquid, be not defined herein.
In addition, above-mentioned refrigeration system can also include cooling pump and refrigerating water pump, cooling pump is connected to first pipe 40, is used for
The energy circulated is provided for the coolant liquid in first pipe 40；Refrigerating water pump is connected to second pipe 50, for managing for second
Freezing liquid in road 50 provides the energy circulated.
In the embodiment of the present invention, above-mentioned cooling spraying device 30 can spray into cooling by spraying into the coolant liquid of sprinkling, from
And realize the cooling to coolant liquid, compared to only radiating by air, the temperature of coolant liquid can be made to drop to lower, to reduce
The feed liquor temperature of heat-exchange device 20, and then the power consumption of heat-exchange device 20 is reduced, especially heat-exchange device 20 includes
In the case where above-mentioned refrigerator 22, the energy consumption of refrigerator 22 can be greatly reduced.
In the case where open cooling tower 10 only contacts realization cooling by coolant liquid with air, open cooling tower 10 radiates
Rely primarily on coolant liquid formed spraying latent heat (i.e. coolant liquid latent heat) and cross-ventilation heat exchange between sensible heat (i.e. coolant liquid with
Air sensible), i.e. Q is total=QCoolant liquid latent heat+QCoolant liquid and air sensible, and sprayed by spraying when cooling spraying device 30 will cool down to spray area
When, the heat dissipation of open cooling tower 10 can be by coolant liquid latent heat, the spraying latent heat of cooling and cool down spraying and air, coolant liquid pair
Stream changes thermogenetic sensible heat amount (i.e. air and water sensible heat), i.e. and Q is total=QCool down spraying latent heat+QCoolant liquid latent heat+QAir and water sensible heat, it can be seen that, it can
Open cooling tower 10 is substantially improved to the heat dissipation performance of coolant liquid, the temperature of coolant liquid is reduced.
Wherein, it since cooling can cool down to coolant liquid by spraying, thus can be sprayed by the way that control cooling is spraying
It measures to influence the temperature of the coolant liquid of the outlet end of open cooling tower 10, and then influences power consumption.
The spraying spray amount it should be noted that above-mentioned control cools down can be by operator's hand according to actual needs
It is dynamic to adjust the spraying spray amount that cools down, or be also possible to refrigeration system and adjusted by the way that the controller of setting and sensor etc. are automatic
The spraying spray amount of section cooling.
Optionally, as shown in figure 3, refrigeration system further includes third temperature sensor 83, third temperature sensor 83 is arranged
In the outlet end of open cooling tower 10, and the third temperature of the coolant liquid for detecting outlet end；
The spraying device 30 that cools down further includes second controller 72, and second controller 72 is electrically connected with third temperature sensor 83
It connects, for controlling the spray amount of sprayer 31 according to third temperature.
Here, second controller 72 can control sprayer according to the temperature of the coolant liquid of the outlet end of open cooling tower 10
31 spray amount, so that control is accurate and operation is convenient.
Certainly, in the case where the automatic adjustment of above-mentioned refrigeration system cools down spraying spray amount, it is also possible to controller root
According to the spray amount of the temperature difference control sprayer 31 of the coolant liquid of the outlet end and liquid feeding end of open cooling tower 10, or pass through other
Mode is realized, is not defined herein.
Cool down by spraying in addition, above-mentioned cooling spraying device 30 can be any can spray into above-mentioned spray area, and real
The device now to cool down to coolant liquid.
Optionally, above-mentioned cooling spraying device 30 is liquid nitrogen spraying device, thus keep structure simple and good cooling effect, example
Such as: as shown in Figure 4, cooling spraying device 30 may include sprayer 31, liquid nitrogen spraying control system 32 and liquid nitrogen container 33,
In temperature-fall period, liquid nitrogen container 33 can provide liquid nitrogen, and the liquid nitrogen that sprayer 31 is used to supply liquid nitrogen pot fetching is atomized, and liquid nitrogen sprays
Mist control system 32 can control the spray amount of sprayer, which can be above-mentioned second controller
72, or be also possible to be different from the other control system, etc. of second controller 72.
It should be noted that in the case where above-mentioned refrigeration system further includes above-mentioned first temperature sensor 81, above-mentioned
Three-temperature sensor 83 can be above-mentioned first temperature sensor 81, i.e., above-mentioned third temperature is above-mentioned first temperature；On alternatively,
Stating third temperature sensor 83 is that be different from other of the first temperature sensor 81 be temperature sensor.
In the embodiment of the present invention, refrigeration system include open cooling tower 10, heat-exchange device 20, cooling spraying device 30,
First pipe 40 and second pipe 50 are provided with the coolant liquid circulated, setting in second pipe 50 in first pipe 40
There is the freezing liquid circulated, in which: open cooling tower 10 is connected to first pipe 40, and open cooling tower 10 is provided with spray
Region, the coolant liquid in first pipe 40 are sprayed to spray region；Heat-exchange device 20 and first pipe 40 and second pipe
50 connections, for carrying out the heat exchange between coolant liquid and freezing liquid；Second pipe 50 is partially provided in data center 100
It is interior；The spraying device 30 that cools down includes sprayer 31, and the cooling of sprayer 31 can be sprayed by spraying to spray region and to spray region
The coolant liquid of spray cools down, so as to reduce the energy consumption in 100 temperature-fall period of data center.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (8)
1. a kind of refrigeration system, which is characterized in that including open cooling tower, heat-exchange device, cooling spraying device, first pipe
And second pipe, the coolant liquid circulated is provided in the first pipe, is provided with recycle stream in the second pipe
Dynamic freezing liquid, in which:
The open cooling tower is connected to the first pipe, and the open cooling tower is provided with and sprays region, and described first
Coolant liquid in pipeline is sprayed to the spray region；
The heat-exchange device is connected to the first pipe and the second pipe, for carrying out the coolant liquid and described
Heat exchange between freezing liquid；
The second pipe is partially provided in data center；
The cooling spraying device includes sprayer, and the cooling of the sprayer can be sprayed by spraying to the spray region and to institute
The coolant liquid for stating spray region spray cools down.
2. refrigeration system according to claim 1, which is characterized in that the heat-exchange device include plate heat exchanger and/
Or refrigerator.
3. refrigeration system according to claim 2, which is characterized in that the heat-exchange device includes plate heat exchanger and cold
Jelly machine, the refrigeration system further include the first valve group and the second valve group, and first valve group passes through the first pipe
It is connected to the plate heat exchanger, second valve group is connected to by the first pipe with the refrigerator, in which:
In the case where first valve group is in first state and second valve group is in the second state, described first
Pipeline is connected to the plate heat exchanger and is not connected to the refrigerator；
In the case where first valve group is in the second state and second valve group is in first state, described first
Pipeline is not connected to the plate heat exchanger and is connected to the refrigerator；
In the case where first valve group is in first state and second valve group is in first state, described first
Pipeline is connected to the plate heat exchanger and the refrigerator.
4. refrigeration system according to claim 3, which is characterized in that the refrigeration system further includes the first temperature sensor
And first controller, first temperature sensor are set to the outlet end of the open cooling tower, and described for detecting
First temperature of the coolant liquid of outlet end；
First controller is electrically connected with first valve group, second valve group and first temperature sensor
It connects, first controller is used to control first valve group according to first temperature and second valve group is in
First state/be in the second state.
5. refrigeration system according to claim 4, which is characterized in that first controller is also used to:
In the case where first temperature is less than or equal to the first preset temperature, controls first valve group and be in first
State and second valve group are in the second state；
It is greater than first preset temperature in first temperature and in the case where less than the second preset temperature, control described first
Valve group and second valve group are in first state；
In the case where first temperature is more than or equal to the second preset temperature, controls first valve group and be in second
State and second valve group are in first state.
6. refrigeration system according to claim 4, which is characterized in that the refrigeration system further includes second temperature sensing
Device, the second temperature sensor are set to the liquid feeding end of the heat-exchange device, for detecting the freezing liquid of the liquid feeding end
Second temperature；
First controller is also used to according to the difference between first temperature and the second temperature, control described first
Valve group and second valve group are in first state/second state.
7. refrigeration system according to any one of claim 1 to 6, which is characterized in that the refrigeration system further includes
Three-temperature sensor, the third temperature sensor are set to the outlet end of the open cooling tower, and for detect it is described go out
The third temperature of the coolant liquid at liquid end；
The cooling spraying device further includes second controller, and the second controller is electrically connected with the third temperature sensor
It connects, for controlling the spray amount of the sprayer according to the third temperature.
8. refrigeration system according to any one of claim 1 to 6, which is characterized in that the cooling spraying device is liquid
Nitrogen spraying device.
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| CN201910231563.4A CN109974374A (en) | 2019-03-26 | 2019-03-26 | A kind of refrigeration system |
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| CN201910231563.4A CN109974374A (en) | 2019-03-26 | 2019-03-26 | A kind of refrigeration system |
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Application publication date: 20190705 |