CN209013390U - The energy-efficient energy switches refrigeration system - Google Patents
The energy-efficient energy switches refrigeration system Download PDFInfo
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- CN209013390U CN209013390U CN201821474101.2U CN201821474101U CN209013390U CN 209013390 U CN209013390 U CN 209013390U CN 201821474101 U CN201821474101 U CN 201821474101U CN 209013390 U CN209013390 U CN 209013390U
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Abstract
The utility model discloses a kind of energy-efficient energy to switch refrigeration system, including refrigeration equipment, be circulated in the refrigeration equipment transmit cooling capacity medium, several water pumps, refrigeration equipment includes low temperature unit, room temperature unit and cooling tower, and medium includes low temperature refrigerating medium, room temperature refrigerating medium and cooling water refrigerating medium；Wherein, the low temperature unit, which cools down low temperature refrigerating medium, provides low temperature cold source to cool end equipment, plate heat exchanger is equipped between the low temperature unit and room temperature unit and cooling tower, and room temperature unit and cooling tower can be cooled down by plate heat exchanger and low temperature refrigerating medium, provide room temperature cold source to cool end equipment.The utility model can satisfy the cold demand of different temperatures with cold end from low temperature to room temperature, it can be switched simultaneously according to actual ambient temperature condition and be exchanged heat using the cooling water of cooling tower, room temperature unit is not necessarily to work, reduces the energy consumption of room temperature unit, loss is reduced, utilization efficiency is improved.
Description
Technical field
The utility model relates to a kind of refrigeration system, specifically a kind of energy-efficient energy switches refrigeration system.
Background technique
An important factor for energy is developing national economy, as energy conservation becomes more and more important with environmental protection, more and more
Enterprise and unit pay close attention to the efficiency of energy utilization of entire refrigeration system.How rationally effectively rationally to be adjusted using external environmental condition
The investment situation of whole refrigeration equipment improves system energy utilization rate, so that solving environmental pollution has become each enterprise and unit
Energy strategy emphasis.
Traditional refrigeration system demand temperature different for terminal temperature difference, configures the refrigeration unit cooling supply of corresponding temperature,
Such mode is simply single, system run when consume energy it is larger, between different temperatures demand transition switching energy consumption efficiency it is low, therefore,
How external environmental condition is made full use of, energy switching is realized according to existing environment temperature, helps industrial production enterprise or section
It grinds research unit's rationalization scheme and using the energy, reduces unit product energy consumption, increasing economic efficiency is particularly important.
Utility model content
Goal of the invention: the utility model provides a kind of energy-efficient energy switching refrigeration system, solves existing refrigeration
The problem that system mode is single, energy consumption is high, energy consumption efficiency is low.
Technical solution: the energy-efficient energy of the utility model switches refrigeration system, including refrigeration equipment, several valves, follows
Ring transmits the medium of cooling capacity in the refrigeration equipment and can make several water pumps of media flow, the refrigeration equipment packet
Low temperature unit, room temperature unit and cooling tower are included, the medium includes being circulated in low temperature unit, room temperature unit and cooling tower respectively
Low temperature refrigerating medium, room temperature refrigerating medium and cooling water refrigerating medium；Wherein, the low temperature unit cools down low temperature refrigerating medium to cold
End-equipment provides low temperature cold source, and plate heat exchanger, and room temperature are equipped between the low temperature unit and room temperature unit and cooling tower
Unit and cooling tower can be cooled down by plate heat exchanger and low temperature refrigerating medium, provide room temperature cold source to cool end equipment.
Low temperature unit, room temperature unit and cooling tower are that refrigerating medium cools down in system；Low temperature refrigerating medium, room temperature refrigerating
Agent, cooling water refrigerating medium are the medium for transmitting cooling capacity；Plate heat exchanger is the important equipment for realizing energy switching；The valve packet
Include several electric proportional-regulation valve doors, motor switch valve, differential-pressure bypass valve, check-valves, hand valve.
The refrigeration system further includes control system, and the control system includes processes temperature signal module, valve control
Module and water pump control modules are made of PLC, breaker, intermediate relay etc., and the control system can be according to external environment
Temperature condition determines switchover operation automatically, realizes the automatic control and energy-efficient purpose of energy switching.
The control system is connected with temperature sensor, and the temperature sensor can incude extraneous temperature signal simultaneously
Signal is passed into control system, by control system control plate heat exchanger cooling water coolant ducts valve opening and closing and often
The start and stop of warm system circulation water pump.
The plate heat exchanger is cooled side as low temperature refrigerating medium, and high temperature side is room temperature refrigerating medium or cooling water refrigerating medium.
The Applicable temperature range of the low temperature refrigerating medium includes the Applicable temperature model of room temperature refrigerating medium and cooling water refrigerating medium
It encloses, uses low temperature refrigerating medium medium with cold end refrigerating medium, realization passes through same media implementation different temperatures demand operating condition.
The room temperature refrigerating medium and cooling water refrigerating medium are same medium, and a platen type heat exchanger could be used to realize energy
The function of source switchover operation.
Low temperature refrigerating medium, room temperature refrigerating medium and cooling water refrigerating medium, low temperature refrigerating medium Applicable temperature range need to include room temperature
With the Applicable temperature range of cooling water refrigerating medium,
The condenser of the low temperature unit and room temperature unit uses the water-cooling pattern of cooling tower cooler.When the cold temperature in end
Demand is refrigeration unit working temperature range, and cooling tower is flight service, and end is higher than refrigeration unit operating condition with cold temperature requirements
Temperature range, cooling tower is as cold source equipment isolated operation.
To realize low temperature refrigerating medium, room temperature refrigerating medium and cooling water refrigerating in low temperature unit, room temperature unit and cooling tower
The circulation of agent, the water pump include being respectively arranged on low temperature unit, room temperature unit, cooling tower and being followed with the cryogenic system between cold end
Ring water pump, noncryogenic system water circulating pump, cooling water system water circulating pump and with cold end water circulating pump.
The utility model has the advantages that the refrigeration system of 1, the utility model can satisfy the different temperatures with cold end from low temperature to room temperature
With cold demand, by using cooling tower+plate heat exchanger and room temperature refrigeration unit+plate heat exchanger switching mode, on the one hand
Reduce by energy waste caused by the mixed temperature of the relatively low room temperature refrigerating medium of temperature under different temperatures operating condition, while can basis
The switching of actual ambient temperature condition is exchanged heat using the cooling water of cooling tower, and room temperature unit is not necessarily to work, reduces room temperature unit
Energy consumption is substantially reduced the loss of the energy, improves efficiency of energy utilization.
Detailed description of the invention
Fig. 1 is the structure and principle process structural schematic diagram of the utility model.
Specific embodiment
Referring to Fig. 1, energy-efficient energy switching refrigeration system described in an embodiment of the present invention, including refrigeration equipment,
Several valves are circulated in the medium for transmitting cooling capacity in the refrigeration equipment and can make several water pumps of media flow.
Refrigeration equipment includes low temperature unit 1, room temperature unit 2 and cooling tower 3, low temperature unit 1 and room temperature unit 2 and cooling tower
Plate heat exchanger 4 is equipped between 3, medium includes that the low temperature being circulated in low temperature unit 1, room temperature unit 2 and cooling tower 3 respectively carries
Cryogen, room temperature refrigerating medium and cooling water refrigerating medium, the Applicable temperature range of low temperature refrigerating medium include room temperature refrigerating medium and cooling water
The Applicable temperature range of refrigerating medium, and room temperature refrigerating medium and cooling water refrigerating medium are same medium.
Wherein, low temperature unit 1, which cools down low temperature refrigerating medium, provides low temperature cold source, 2 He of room temperature unit to cold 5 equipment of end
Cooling tower 3 can be cooled down by plate heat exchanger 4 and low temperature refrigerating medium, provide room temperature cold source to cold 5 equipment of end.Low temperature machine
The water-cooling pattern that the condenser of group 1 and room temperature unit 2 uses cooling tower 3 cooling, when end is refrigeration unit with cold temperature requirements
Working temperature range, cooling tower 3 are flight service, and the cold temperature requirements in end are higher than refrigeration unit working temperature range, cooling
Tower 3 is used as cold source equipment isolated operation.
Plate heat exchanger 4 is cooled side as low temperature refrigerating medium, and high temperature side is room temperature refrigerating medium or cooling water refrigerating medium.
Valve includes several electric proportional-regulation valve doors 6, motor switch valve 7, differential-pressure bypass valve 8, check-valves 9, hand valve
10 etc..
Water pump includes being respectively arranged on low temperature unit, room temperature unit, cooling tower and with the cryogenic system recirculated water between cold end
Pump 11, noncryogenic system water circulating pump 12, cooling water system water circulating pump 13 and with cold end water circulating pump 14.
Refrigeration system further includes control system, including processes temperature signal module, valve control module and water pump control mould
Block is made of PLC, breaker, intermediate relay etc., and control system can determine to switch automatically according to ambient temperature condition
The automatic control and energy-efficient purpose of energy switching are realized in operation.Control system is connected with temperature sensor 15, and the temperature
Sensor 15 can incude extraneous temperature signal and signal is passed to control system, and control plate-type heat-exchange by control system
The start and stop of the opening and closing of cooling water coolant ducts valve and noncryogenic system water circulating pump at device.
The working principle of the utility model is as follows:
Low temperature unit 1, low temperature refrigerating medium and cryogenic system water circulating pump 11 form low temperature secondary refrigerant system, through low temperature unit
- 60-5 DEG C of temperature range of low temperature refrigerating medium is obtained after 1 cooling, for being used with cold 5 equipment of end；Room temperature unit 2, room temperature carry
Cryogen and noncryogenic system recirculated water pump group 12 obtain 0-20 DEG C of temperature range after room temperature unit is cooling at room temperature secondary refrigerant system
Room temperature refrigerating medium；Cooling tower 3, cooling water refrigerating medium and cooling water system circulating pump 13 form cooling water system, through cooling tower
The cooling water refrigerating medium that temperature range is 5-32 DEG C is obtained after cooling.
It is low temperature refrigerating medium with the refrigerating medium that cold end 5 uses, temperature will be met by the cold secondary cycle water pump in end
It is required that low temperature refrigerating medium be delivered in plate heat exchanger 4, -60-37 DEG C of demand temperature range.With cold 5 temperature requirements of end be-
At 60-5 DEG C, the work of 1 system of low temperature unit provides cold source for end-equipment；When with cold 5 temperature requirements of end being 5-37 DEG C, often
Warm 2 systems of unit+plate heat exchanger 4 works, and room temperature refrigerating medium and low temperature refrigerating medium exchange heat via plate heat exchanger 4,
Cold source is provided for end-equipment, low temperature refrigerating medium does not work at this time；When being greater than 12 DEG C of environment temperature with cold 5 temperature requirements of end,
It is preferentially worked using cooling tower 3+ plate heat exchanger 4, carries out cooling water refrigerating medium and low temperature refrigerating medium via plate heat exchanger 4
Heat exchange, provides cold source for end-equipment, low temperature unit 1 and room temperature unit 2 do not work at this time.
Claims (7)
1. a kind of energy-efficient energy switches refrigeration system, it is characterised in that: including refrigeration equipment, be circulated in the refrigeration equipment
It transmits the medium of cooling capacity and several water pumps of media flow can be made, the refrigeration equipment includes low temperature unit, room temperature unit
And cooling tower, the medium include the low temperature refrigerating medium being circulated in low temperature unit, room temperature unit and cooling tower respectively, room temperature load
Cryogen and cooling water refrigerating medium；Wherein, the low temperature unit, which cools down low temperature refrigerating medium, provides low temperature cold to cool end equipment
Source is equipped with plate heat exchanger between the low temperature unit and room temperature unit and cooling tower, and room temperature unit and cooling tower can lead to
Plate heat exchanger and the cooling of low temperature refrigerating medium are crossed, provides room temperature cold source to cool end equipment.
2. the energy-efficient energy according to claim 1 switches refrigeration system, it is characterised in that: the refrigeration system further includes
Control system, the control system include processes temperature signal module, valve control module and water pump control modules, being capable of basis
Ambient temperature condition determines switchover operation automatically, realizes energy-efficient purpose.
3. the energy-efficient energy according to claim 2 switches refrigeration system, it is characterised in that: the control system is connected with
Temperature sensor, and the temperature sensor can incude extraneous temperature signal and signal is passed to control system, and by
Control system controls the opening and closing of cooling water coolant ducts valve and the start and stop of noncryogenic system water circulating pump at plate heat exchanger.
4. the energy-efficient energy according to claim 1 switches refrigeration system, it is characterised in that: the plate heat exchanger is cold
But side is low temperature refrigerating medium, and high temperature side is room temperature refrigerating medium or cooling water refrigerating medium.
5. the energy-efficient energy according to claim 1 switches refrigeration system, it is characterised in that: the low temperature refrigerating medium is fitted
Applicable temperature range with temperature range comprising room temperature refrigerating medium and cooling water refrigerating medium, and the room temperature refrigerating medium and cooling water
Refrigerating medium is same medium.
6. the energy-efficient energy according to claim 1 switches refrigeration system, it is characterised in that: the low temperature unit and room temperature
The condenser of unit uses the water-cooling pattern of cooling tower cooler.
7. the energy-efficient energy according to claim 1 switches refrigeration system, it is characterised in that: the water pump includes setting respectively
In low temperature unit, room temperature unit, cooling tower and with the cryogenic system water circulating pump, noncryogenic system water circulating pump, cold between cold end
But water system water circulating pump and with cold end water circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821474101.2U CN209013390U (en) | 2018-09-10 | 2018-09-10 | The energy-efficient energy switches refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821474101.2U CN209013390U (en) | 2018-09-10 | 2018-09-10 | The energy-efficient energy switches refrigeration system |
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| Publication Number | Publication Date |
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| CN209013390U true CN209013390U (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821474101.2U Active CN209013390U (en) | 2018-09-10 | 2018-09-10 | The energy-efficient energy switches refrigeration system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061366A (en) * | 2020-09-21 | 2020-12-11 | 上海欧星空调科技有限公司 | Operation control method of heating and refrigerating system based on double-circulation cooling system |
| CN113432378A (en) * | 2021-06-16 | 2021-09-24 | 长江存储科技有限责任公司 | Cooling system |
-
2018
- 2018-09-10 CN CN201821474101.2U patent/CN209013390U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061366A (en) * | 2020-09-21 | 2020-12-11 | 上海欧星空调科技有限公司 | Operation control method of heating and refrigerating system based on double-circulation cooling system |
| CN113432378A (en) * | 2021-06-16 | 2021-09-24 | 长江存储科技有限责任公司 | Cooling system |
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Address after: 211500 No. 8, Longzhong West Road, Longchi street, Liuhe Economic Development Zone, Nanjing, Jiangsu Patentee after: Nanjing Jiuding Environmental Technology Co.,Ltd. Address before: 211500 No. 8, Longzhong West Road, Longchi street, Liuhe Economic Development Zone, Nanjing, Jiangsu Patentee before: NANJING JIUDING REFRIGERATION & AIR-CONDITIONING EQUIPMENT CO.,LTD. |