CN206572659U - Tandem Double-temperature water chilling unit - Google Patents
Tandem Double-temperature water chilling unit Download PDFInfo
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- CN206572659U CN206572659U CN201621427754.6U CN201621427754U CN206572659U CN 206572659 U CN206572659 U CN 206572659U CN 201621427754 U CN201621427754 U CN 201621427754U CN 206572659 U CN206572659 U CN 206572659U
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Abstract
The utility model is related to HVAC technical field, it is a kind of tandem Double-temperature water chilling unit, it includes sweat cooling cooling water installations, mechanical refrigeration and supplies handpiece Water Chilling Units and heat-exchanger rig, it is connected between the cooling water outlet of sweat cooling cooling water installations and the water inlet of heat-exchanger rig by the first pipeline, the delivery port of heat-exchanger rig is connected between supplying handpiece Water Chilling Units with mechanical refrigeration.The utility model reasonable and compact in structure, it is easy to use, the cold of the cold water of sweat cooling cooling water installations can be made full use of, cold is avoided to waste, sweat cooling technology is integrated as air conditioner user cooling with mechanical refrigeration techniques, the heat pump performance of user obtains effective guarantee, secondary side chilled water system can realize that enclosed is run, avoid the potential safety hazard of the not high user disk blockage caused of sweat cooling cooling water installations water quality, and realize that " high temperature is to high temperature, low temperature is to low temperature " heat exchange form, the physical dimension of end heat-exchanger rig reduces, refrigerating capacity is big, energy saving is notable.
Description
Technical field
The utility model is related to HVAC technical field, is a kind of tandem Double-temperature water chilling unit.
Background technology
The performance of sweat cooling cooling water installations is with the outdoor air wet bulb temperature for entering sweat cooling cooling water installations
And change, in xeothermic area, the leaving water temperatures of sweat cooling cooling water installations is general than relatively low, but is supplied directly as cold water
To user in use, temperature is again higher, and pressed as cooling water after 5 DEG C of temperature difference released cold quantities, the return water temperature of cooling water is still
Than relatively low, if this part cooling water is returned directly to sweat cooling cooling water installations and continues cycling through cooling, the cold of cooling water
Release is insufficient, causes cold to waste unavoidably.
The content of the invention
The utility model provides a kind of tandem Double-temperature water chilling unit, overcomes the deficiency of above-mentioned prior art, its energy
The backwater cold release of the effectively cooling water of solution sweat cooling cooling water installations is insufficient to easily cause the problem of cold is wasted.
The technical solution of the utility model is realized by following measures：A kind of tandem Double-temperature water chilling unit, bag
Include sweat cooling cooling water installations, mechanical refrigeration and supply handpiece Water Chilling Units and heat-exchanger rig, the cold water of sweat cooling cooling water installations goes out
It is connected between mouth and the water inlet of heat-exchanger rig by the first pipeline, delivery port and the mechanical refrigeration cooling water dispenser of heat-exchanger rig
It is connected between the cooling water inlet of group by the second pipeline, mechanical refrigeration supplies the coolant outlet and sweat cooling of handpiece Water Chilling Units
The cooling water inlet of cooling water installations is connected by the 3rd pipeline.
Here is the further optimization and/or improvements to above-mentioned utility model technical scheme：
Above-mentioned tandem Double-temperature water chilling unit also includes the first user, and heat-exchanger rig is plate type heat exchanger, plate type heat exchanger
Inside it is provided with once aquaporin and secondary aquaporin, the cooling water outlet of sweat cooling cooling water installations enters with aquaporin
It is connected between the mouth of a river by the first pipeline, the delivery port of an aquaporin supplies the cooling water inlet of handpiece Water Chilling Units with mechanical refrigeration
Between be connected by the second pipeline, be connected between the delivery port of secondary aquaporin and the water inlet of the first user, first use
The delivery port at family is connected with the water inlet of secondary aquaporin.
It is above-mentioned that the first water pump is serially connected with the first pipeline.
Above-mentioned tandem Double-temperature water chilling unit also includes second user, and mechanical refrigeration is for the cooling water outlet of handpiece Water Chilling Units and the
It is connected between the water inlet of two users, the delivery port of second user supplies the cooling water inlet of handpiece Water Chilling Units to be connected with mechanical refrigeration
It is logical.
The air inlet of above-mentioned sweat cooling cooling water installations is provided with the surface-type heat exchanger of at least one, and surface-type is changed
Cold air duct and cold water channel, cold air duct outlet and the sweat cooling cooling water installations of surface-type heat exchanger are provided with hot device
Wind channel entrance be connected, the cold water channel of surface-type heat exchanger is connected with the first pipeline.
The air inlet of above-mentioned sweat cooling cooling water installations is provided with the surface-type heat exchanger of at least two, and surface-type is changed
Cold air duct and cold water channel, cold air duct outlet and the sweat cooling cooling water installations of surface-type heat exchanger are provided with hot device
Wind channel entrance be connected, be also communicated with the 4th pipe between the cooling water outlet and cooling water inlet of sweat cooling cooling water installations
Line, cold water channel of the 4th pipeline successively with every surface-type heat exchanger is connected.
The second water pump is serially connected with above-mentioned the 4th pipeline close to the water inlet of the 4th pipeline.
Above-mentioned heat-exchanger rig can be user or plate type heat exchanger or other kinds of heat exchanger.
The utility model reasonable and compact in structure, it is easy to use, can be by the cold of the cold water of sweat cooling cooling water installations
Amount is made full use of, it is to avoid cold is wasted, and sweat cooling technology is integrated as air conditioner user cooling with mechanical refrigeration techniques, user's
Heat pump performance obtains effective guarantee, secondary side chilled water system can realize that enclosed is run, it is to avoid sweat cooling cooling water installations
The potential safety hazard of the not high user disk blockage caused of water quality, and realize the heat exchange form of " high temperature to high temperature, low temperature is to low temperature ",
The physical dimension of end heat-exchanger rig reduces, and refrigerating capacity is big, and energy saving is notable.
Brief description of the drawings
Accompanying drawing 1 is the process structure schematic diagram of the utility model embodiment 1.
Accompanying drawing 2 is the process structure schematic diagram of the utility model embodiment 2.
Accompanying drawing 3 is the process structure schematic diagram of the utility model embodiment 3 and embodiment 4.
Accompanying drawing 4 is the process structure schematic diagram of the utility model embodiment 6.
Accompanying drawing 5 is the process structure schematic diagram of the utility model embodiment 7 and embodiment 8.
Coding in accompanying drawing is respectively：1 is sweat cooling cooling water installations, and 2 be that mechanical refrigeration supplies handpiece Water Chilling Units, and 3 be to change
Thermal, 4 be the first pipeline, and 5 be the second pipeline, and 6 be the 3rd pipeline, and 7 be the first user, and 8 be plate type heat exchanger, and 9 be first
Water pump, 10 be second user, and 11 be surface-type heat exchanger, and 12 be the 4th pipeline, and 13 be the second water pump, and 14 be evaporator, and 15 are
Condenser, 16 be compressor, and 17 be choke valve.
Embodiment
The utility model is not limited by following embodiments, can according to the technical solution of the utility model and actual conditions come
Determine specific embodiment.
In the utility model, for the ease of description, the description of the relative position relation of each part is according to specification
The Butut mode of accompanying drawing 1 is described, such as：The position relationship of upper and lower, left and right etc. is the Butut according to Figure of description
Direction is determined.
The utility model is further described with reference to embodiment and accompanying drawing：
Embodiment 1, as shown in Figure 1, the tandem Double-temperature water chilling unit include sweat cooling cooling water installations 1, machinery
Refrigeration supplies handpiece Water Chilling Units 2 and heat-exchanger rig 3, the cooling water outlet of sweat cooling cooling water installations 1 and the water inlet of heat-exchanger rig 3 it
Between be connected by the first pipeline 4, the delivery port of heat-exchanger rig 3 and mechanical refrigeration are between the cooling water inlet of handpiece Water Chilling Units 2
It is connected by the second pipeline 5, mechanical refrigeration is cold for coolant outlet and the sweat cooling cooling water installations 1 of handpiece Water Chilling Units 2
Water inlet is connected by the 3rd pipeline 6.
According to actual needs, heat-exchanger rig can be user or plate type heat exchanger or other kinds of heat exchanger.This practicality
In new, as needed, rational valve can be set on each pipeline, for adjusting pipeline water balance and resistance balance.
Sweat cooling cooling water installations are conventional equipment of the prior art, and it includes aquaporin and wind passage, machinery
Refrigeration is that water-cooled mechanical refrigeration in existing conventional techniques supplies handpiece Water Chilling Units for handpiece Water Chilling Units 2, generally includes evaporator 14, cold
It is provided with refrigerant passage and cold water channel, condenser 15 and is provided with condenser 15, compressor 16 and choke valve 17, evaporator 14
Refrigerant passage and cooling-water duct, the refrigerant passage outlet and the refrigerant passage import of condenser 15 of evaporator 14 pass through compressor
16 are connected, and the refrigerant passage import of evaporator 14 is connected with the refrigerant passage outlet of condenser 15 by choke valve 17.
The high temperature cold water and mechanical refrigeration that the present embodiment is produced including sweat cooling cooling water installations 1 are made for handpiece Water Chilling Units 2
The low-temperature cold water taken, wherein high temperature cold water can provide cold for high temperature end, and high-temperature tempering is used for mechanical refrigeration cooling water dispenser
The condenser of group 2 further cools Posterior circle utilization, and mechanical refrigeration produces low-temperature cold water and can be for the condenser of handpiece Water Chilling Units 2
Tail end air conditioner provides temperature lower cold, in the utility model, and the cold water produced by sweat cooling cooling water installations is first to change
Thermal provides cold, is then further continued for providing cold for handpiece Water Chilling Units 2 for mechanical refrigeration so that sweat cooling cooling water installations
The cold of 1 cold water produced can be fully utilized, it is to avoid the waste of cold.
Sweat cooling cooling water installations 1 are direct sweat cooling cooling water installations or indirect evaporation refrigerating cooling water installations,
When for indirect evaporation refrigerating cooling water installations, indirect evaporation refrigerating device can be surface cooler, indirect evaporation cooler, pipe
Formula, board-like or plate-fin heat exchanger, by using different water circulation flows so that the water outlet of sweat cooling cooling water installations
Temperature is lower, wherein the leaving water temperature limiting value of direct sweat cooling cooling water installations is air intake wet-bulb temperature, indirect evaporation system
The leaving water temperature limiting value of cold cooling water installations is air intake dew-point temperature.
Embodiment 2, as the optimization of embodiment 1, as shown in Figure 2, the tandem Double-temperature water chilling unit also includes first
User 7, and heat-exchanger rig 3 is to be provided with once aquaporin and secondary aquaporin in plate type heat exchanger 8, plate type heat exchanger 8, is evaporated
It is connected between the cooling water outlet and the water inlet of an aquaporin of refrigeration cooling water installations 1 by the first pipeline 4, one time water leads to
The delivery port in road supplies by the second pipeline 5 to be connected between the cooling water inlet of handpiece Water Chilling Units 2 with mechanical refrigeration, secondary aquaporin
Delivery port and the water inlet of the first user 7 between be connected, the delivery port of the first user 7 and the water inlet phase of secondary aquaporin
Connection.The secondary aquaporin of plate type heat exchanger 8 and the first user 7 are formd after secondary side, increase plate type heat exchanger 8, evaporation system
The high temperature cold water of cold cooling water installations 1 still provides cold for high temperature end, but secondary side water circulation realizes that enclosed is run respectively,
Avoid coil pipe and block the potential safety hazard caused, the first user 7 and high temperature end can be Fresh air handling units surface cooler and fan unit
Pipe end or flooring radiation end.
Embodiment 3, as the optimization of above-described embodiment, as shown in Figure 3, the first water pump is serially connected with the first pipeline 4
9.First water pump 9 can provide power resources for water circulation so that water circulation is more smoothly carried out.
Embodiment 4, as the optimization of above-described embodiment, as shown in Figure 3, the tandem Double-temperature water chilling unit also includes the
Two users 10, mechanical refrigeration between the cooling water outlet and the water inlet of second user 10 of handpiece Water Chilling Units 2 for being connected, second user
Cooling water inlet of 10 delivery port with mechanical refrigeration for handpiece Water Chilling Units 2 is connected.
Embodiment 5, as the optimization of above-described embodiment, as needed, sweat cooling cooling water installations 1 be cooling tower or
Connect the combination of evaporation handpiece Water Chilling Units or cooling tower and indirect evaporation cooling water chiller.
Embodiment 6, as the optimization of embodiment 5, as shown in Figure 4, the air inlet of sweat cooling cooling water installations 1 is set
It is equipped with the surface-type heat exchanger 11 of at least one, surface-type heat exchanger 11 and is provided with cold air duct and cold water channel, surface-type
The cold air duct outlet of heat exchanger 11 is connected with the wind channel entrance of sweat cooling cooling water installations 1, surface-type heat exchanger 11
Cold water channel be connected with the first pipeline 4.
The high temperature cold water come out by sweat cooling cooling water installations 1 first passes through the surface of indirect evaporation water chiller air inlet
It is used further to heat-exchanger rig 3 after formula heat exchanger 11 to freeze, the Water flow-path between surface-type heat exchanger 11 and heat-exchanger rig 3 is connected fortune
OK.The present embodiment is in the case where further utilizing the cold water cold produced by sweat cooling cooling water installations 1, while can make
Sweat cooling cooling water installations 1 provide temperature lower cold water.
Embodiment 7, as the optimization of embodiment 5, as shown in Figure 5, the air inlet of sweat cooling cooling water installations 1 is set
It is equipped with the surface-type heat exchanger 11 of at least two, surface-type heat exchanger 11 and is provided with cold air duct and cold water channel, surface-type
The cold air duct outlet of heat exchanger 11 is connected with the wind channel entrance of sweat cooling cooling water installations 1, sweat cooling cooling water
The 4th pipeline 12 is also communicated between the cooling water outlet and cooling water inlet of device 1, the 4th pipeline 12 is changed with every surface-type successively
The cold water channel of hot device 11 is connected.
The high temperature cold water come out by sweat cooling cooling water installations 1 is divided into two strands, and wherein one sequentially passes through every surface
In formula heat exchanger 11, cooling enters by the air in sweat cooling cooling water installations 1, eventually passes back to sweat cooling cooling water installations
In 1, exchanged with carrying out caloic by the air in surface-type heat exchanger 11, prepare cold water；Gone out by sweat cooling cooling water installations 1
Another burst of high temperature cold water come first is transported in heat-exchanger rig 3, takes away the heat of heat-exchanger rig 3, then enters back into machinery system
In the cooling-water duct of cold confession handpiece Water Chilling Units 2, the heat of condenser is taken away, is eventually passed back in sweat cooling cooling water installations 1, with
Caloic exchange is carried out by the air of surface-type heat exchanger 11, the high temperature cold water needed for user is prepared.The present embodiment is further
In the case of using the cold water cold produced by sweat cooling cooling water installations 1, while sweat cooling cooling water installations 1 can be made
There is provided temperature lower cold water.
Embodiment 8, as the optimization of embodiment 7, as shown in Figure 5, the in the water inlet close to the 4th pipeline 12
The second water pump 13 is serially connected with four pipelines 12.Second water pump 13 can provide power resources for water circulation so that water circulation is more
Smoothly carry out.
The heat exchange efficiency reduction of sweat cooling cooling water installations 1, different types of sweat cooling cooling water installations 1（It is such as cold
But tower and indirect evaporation water chiller）Leaving water temperature it is different, and tradition machinery refrigeration is general all for the leaving water temperature of handpiece Water Chilling Units 2
Less than the leaving water temperature of sweat cooling cooling water installations 1, therefore, the circulating water flow of sweat cooling cooling water installations 1 is rationally set
Journey, the cold water rationally produced using mechanical refrigeration for handpiece Water Chilling Units 2 and sweat cooling cooling water installations 1, can be only achieved air-conditioning
The abundant energy-conservation of system and the requirement of safe handling.
It is with reference to the characteristics of dry air energy sweat cooling technology and mechanical refrigeration techniques, the two is organic in the utility model
Combine, not only sufficiently can produce cold water using dry air, and sweat cooling cooling water installations 1 produce it is cold
The cold of water can sufficiently discharge；The cold water that dry air can be produced first is passed into heat-exchanger rig 3 and taken away first as high temperature cold water
The heat of user, is then re-used as cooling water, takes away tradition machinery refrigeration for the heat of the condenser of handpiece Water Chilling Units 2, realizes
The cascade utilization of energy, the principle of Optimized Matching so that the maximized release of cold；Tradition machinery refrigeration is made for handpiece Water Chilling Units 2
The low-temperature cold water taken, is transported to such as indoor end of second user 10, takes away the heat of interior, sweat cooling cooling water installations 1
Water outlet is sequentially connected in series supplies the condenser of handpiece Water Chilling Units 2 by heat-exchanger rig 3 and tradition machinery refrigeration, or uses plate type heat exchanger
8 make such as air conditioner user of the first user of secondary side 7 realize that enclosed is run with cold water, the high-temperature water outlet of sweat cooling cooling water installations 1
For system high temperature end, tradition machinery refrigeration is used for system hypothermia end for the low temperature water outlet of the evaporator of handpiece Water Chilling Units 2, cold
Amount is rationally utilized.
The utility model can make full use of the cold of the cold water of sweat cooling cooling water installations 1, it is to avoid cold is wasted,
Sweat cooling technology is integrated as air conditioner user cooling with mechanical refrigeration techniques, and the heat pump performance of user obtains effective guarantee, together
When, secondary side chilled water system can realize that enclosed is run, it is to avoid the water quality of the sweat cooling cooling water installations 1 not high user caused
The potential safety hazard that coil pipe is blocked, sweat cooling cooling water installations 1 provide the user high temperature cold water, and mechanical refrigeration supplies handpiece Water Chilling Units 2
Evaporator provide low-temperature cold water for end, realize the heat exchange form of " high temperature to high temperature, low temperature is to low temperature ", end heat-exchanger rig
Physical dimension reduce, refrigerating capacity is big, and energy saving is notable.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal implementation
Effect, can increase and decrease non-essential technical characteristic according to actual needs, to meet the demand of different situations.
Claims (10)
1. a kind of tandem Double-temperature water chilling unit, it is characterised in that including sweat cooling cooling water installations, mechanical refrigeration cooling water
Unit and heat-exchanger rig, the first pipeline is passed through between the cooling water outlet of sweat cooling cooling water installations and the water inlet of heat-exchanger rig
It is connected, the delivery port of heat-exchanger rig is with mechanical refrigeration for being connected between the cooling water inlet of handpiece Water Chilling Units by the second pipeline
Logical, mechanical refrigeration passes through the 3rd pipeline phase for the coolant outlet and the cooling water inlet of sweat cooling cooling water installations of handpiece Water Chilling Units
Connection.
2. tandem Double-temperature water chilling unit according to claim 1, it is characterised in that also including the first user, heat-exchanger rig
For plate type heat exchanger, once aquaporin and secondary aquaporin be set in plate type heat exchanger, sweat cooling cooling water installations it is cold
It is connected between water out and the water inlet of an aquaporin by the first pipeline, the delivery port of aquaporin and mechanical refrigeration
For being connected between the cooling water inlet of handpiece Water Chilling Units by the second pipeline, the delivery port of secondary aquaporin enters with the first user's
It is connected between the mouth of a river, the delivery port of the first user is connected with the water inlet of secondary aquaporin.
3. tandem Double-temperature water chilling unit according to claim 1 or 2, it is characterised in that is serially connected with the first pipeline
One water pump；Or/and, in addition to second user, mechanical refrigeration for handpiece Water Chilling Units cooling water outlet and second user water inlet it
Between be connected, the cooling water inlet of the delivery port of second user with mechanical refrigeration for handpiece Water Chilling Units is connected.
4. tandem Double-temperature water chilling unit according to claim 1 or 2, it is characterised in that sweat cooling cooling water installations
Air inlet is provided with the surface-type heat exchanger of at least one, surface-type heat exchanger and is provided with cold air duct and cold water channel,
The cold air duct outlet of surface-type heat exchanger is connected with the wind channel entrance of sweat cooling cooling water installations, surface-type heat exchanger
Cold water channel be connected with the first pipeline；Or, the air inlet of sweat cooling cooling water installations is provided with least two
Cold air duct and cold water channel are provided with surface-type heat exchanger, surface-type heat exchanger, the cold air duct of surface-type heat exchanger goes out
Mouth is connected with the wind channel entrance of sweat cooling cooling water installations, and the cooling water outlet and cold water of sweat cooling cooling water installations enter
The 4th pipeline is also communicated between mouthful, cold water channel of the 4th pipeline successively with every surface-type heat exchanger is connected.
5. tandem Double-temperature water chilling unit according to claim 3, it is characterised in that sweat cooling cooling water installations are entered
It is provided with air port in the surface-type heat exchanger of at least one, surface-type heat exchanger and is provided with cold air duct and cold water channel, table
The cold air duct outlet of face formula heat exchanger is connected with the wind channel entrance of sweat cooling cooling water installations, surface-type heat exchanger
Cold water channel is connected with the first pipeline；Or, the air inlet of sweat cooling cooling water installations is provided with the table of at least two
Cold air duct and cold water channel, the cold air duct outlet of surface-type heat exchanger are provided with face formula heat exchanger, surface-type heat exchanger
It is connected with the wind channel entrance of sweat cooling cooling water installations, the cooling water outlet and cooling water inlet of sweat cooling cooling water installations
Between be also communicated with the 4th pipeline, cold water channel of the 4th pipeline successively with every surface-type heat exchanger is connected.
6. tandem Double-temperature water chilling unit according to claim 4, it is characterised in that in the water inlet close to the 4th pipeline
The second water pump is serially connected with 4th pipeline at place.
7. tandem Double-temperature water chilling unit according to claim 5, it is characterised in that in the water inlet close to the 4th pipeline
The second water pump is serially connected with 4th pipeline at place.
8. the tandem Double-temperature water chilling unit according to claim 1 or 5 or 6 or 7, it is characterised in that heat-exchanger rig is board-like
Heat exchanger or the heat exchanger that heat-exchanger rig is user.
9. tandem Double-temperature water chilling unit according to claim 3, it is characterised in that heat-exchanger rig be plate type heat exchanger or
Person's heat-exchanger rig is the heat exchanger of user.
10. tandem Double-temperature water chilling unit according to claim 4, it is characterised in that heat-exchanger rig be plate type heat exchanger or
Person's heat-exchanger rig is the heat exchanger of user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621427754.6U CN206572659U (en) | 2016-12-23 | 2016-12-23 | Tandem Double-temperature water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621427754.6U CN206572659U (en) | 2016-12-23 | 2016-12-23 | Tandem Double-temperature water chilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206572659U true CN206572659U (en) | 2017-10-20 |
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ID=60062690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621427754.6U Active CN206572659U (en) | 2016-12-23 | 2016-12-23 | Tandem Double-temperature water chilling unit |
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| Country | Link |
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| CN (1) | CN206572659U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764434A (en) * | 2018-08-30 | 2019-05-17 | 新疆绿色使者空气环境技术有限公司 | The cooling more warm water coolers of half forced evaporation and its air-conditioning device |
| CN110657595A (en) * | 2019-10-11 | 2020-01-07 | 扬州恒德工业科技有限公司 | Single compressor multiple temperature cold water system |
| CN113606805A (en) * | 2021-08-13 | 2021-11-05 | 上海氢枫能源技术有限公司 | Integrated water chilling unit for hydrogenation station and use method thereof |
-
2016
- 2016-12-23 CN CN201621427754.6U patent/CN206572659U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764434A (en) * | 2018-08-30 | 2019-05-17 | 新疆绿色使者空气环境技术有限公司 | The cooling more warm water coolers of half forced evaporation and its air-conditioning device |
| CN110657595A (en) * | 2019-10-11 | 2020-01-07 | 扬州恒德工业科技有限公司 | Single compressor multiple temperature cold water system |
| CN110657595B (en) * | 2019-10-11 | 2021-08-06 | 扬州恒德工业科技有限公司 | Single compressor multiple temperature cold water system |
| CN113606805A (en) * | 2021-08-13 | 2021-11-05 | 上海氢枫能源技术有限公司 | Integrated water chilling unit for hydrogenation station and use method thereof |
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