CN208671416U - A kind of refrigeration heating system using low-temperature industrial recirculated cooling water - Google Patents
A kind of refrigeration heating system using low-temperature industrial recirculated cooling water Download PDFInfo
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- CN208671416U CN208671416U CN201821288681.6U CN201821288681U CN208671416U CN 208671416 U CN208671416 U CN 208671416U CN 201821288681 U CN201821288681 U CN 201821288681U CN 208671416 U CN208671416 U CN 208671416U
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- recirculated cooling
- heat exchanger
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Abstract
The utility model discloses a kind of refrigeration heating system using low-temperature industrial recirculated cooling water, water resource heat pump water chiller-heater unit includes water source side heat exchanger and use side heat exchanger；Low-temperature industrial recirculated cooling water water inlet pipe passes sequentially through pump unit, the first water treatment unit is connected to the water inlet of water source side heat exchanger, and low-temperature industrial recirculated cooling water outlet pipe is connected to the water outlet of water source side heat exchanger；The water segregator is connected to end equipment with water collector, and water segregator is connected to using the water outlet of side heat exchanger, and water collector passes sequentially through the second water treatment unit, circulation pump unit is connected to using the water inlet of side heat exchanger.The utility model is under the premise of meeting relevant specification of country requirement, the energy of usual water resource heat pump water chiller-heater unit consumption 1kW, the heat or cooling capacity of the available 4kW or more of end equipment.
Description
Technical field
The utility model relates to plant area's refrigeration, heating system technical field, are followed more particularly to a kind of using low-temperature industrial
The refrigeration heating system of ring cooling water.
Background technique
Industrial enterprise is required to basis in order to maintain normally production or to provide comfortable work living environment to employee
Outdoor weather condition and manufacturing technique requirent are that attached accessory building is built and produced to the technique of production plant area or employee's life is stopped
Breath building cooling supply and (or) heat supply.There is the process equipment of hot-cool demand to refer to needing to be carried out cooling drop in operation by hot and cold water
The equipment and needs of temperature or heating and thermal insulation require to will cause equipment with the production material of cold heat tracing if being unsatisfactory for running environment
The harm such as damage, mal-operation or material be rotten.
When industrial working only has cooling needs, air-cooled or cooling tower water cooler usually can be selected and be associated with
The end equipment of application is building or process equipment cooling supply.For air-cooled liquid chillers, summer ambient outdoor air temperature compared with
Height, condensation temperature increase, so that unit efficiency reduces.Water cooler tower for cooling, need to be arranged corresponding cooling tower and
Related system increases investment, occupies space.
When there is cold and heat supply demand in industrial working according to seasonal characteristic respectively, air-source heat pump water chiller-heater usually can be selected
Unit and the end equipment for being associated with application are building or process equipment cold and heat supply.But winter ambient outdoor air temperature compared with
Low, evaporating temperature reduces, and Energy Efficiency Ratio also reduces, and there is also frosting situation under certain outdoor environments, seriously affects heating effect
Fruit；Summer ambient outdoor air temperature is higher, and condensation temperature increases, so that unit efficiency reduces.When the heat for selecting boiler for producing
Matchmaker's heat supply, since boiler energy utilization rate is lower, energy-saving effect can not show a candle to heat pump heat distribution system.
Utility model content
It, can be with the purpose of this utility model is to provide a kind of refrigeration heating system using low-temperature industrial recirculated cooling water
The waste heat in building or process equipment is transferred in water source in summer, since water source temperature is low, it is possible to efficiently band
Walk heat；And winter, water resource heat pump water chiller-heater unit then extract energy from water source, are promoted according to heat pump principle by refrigerating medium
It is sent in building or on process equipment after temperature.
In order to solve the above technical problems, the utility model adopts the following technical solutions:
A kind of refrigeration heating system using low-temperature industrial recirculated cooling water, including water segregator (1), pump unit (5),
One water treatment unit (6), water resource heat pump water chiller-heater unit (10), the second water treatment unit (19), circulation pump unit (20) sum aggregate
Hydrophone (21),
The water resource heat pump water chiller-heater unit (10) includes water source side heat exchanger (11) and uses side heat exchanger (12)；Water source
Tie of the heat pump water chiller-heater unit as energy transmission, low-temperature industrial recirculated cooling water circulation and air conditioner refrigerating heat cycles is whole
It is combined, consumes a small amount of electric energy, realize that heat mutually shifts in process equipment, in building, in recirculated water.
Low-temperature industrial recirculated cooling water water inlet pipe (3) passes sequentially through pump unit (5), the first water treatment unit (6) and water
The water inlet connection of source heat exchanger (11), low-temperature industrial recirculated cooling water outlet pipe (2) and water source side heat exchanger (11) go out
Mouth of a river connection；Low-temperature industrial recirculated cooling water is usually open water system, and water quality is poor, the main function of the first water treatment unit
Low-temperature industrial recirculated cooling water is exactly handled, guarantees that the water quality for entering water source side heat exchanger meets water resource heat pump water chiller-heater unit
It is required that playing a protective role to unit.Water source side heat exchanger is a kind of heat exchanger components, realizes low-temperature industrial recirculated cooling water and system
Heat exchange between cryogen.
The water segregator (1) is connected to end equipment (4) with water collector (21), water segregator (1) and use side heat exchanger
(12) water outlet connection, water collector (21) pass sequentially through the second water treatment unit (19), circulation pump unit (20) and use side
The water inlet of heat exchanger (12) is connected to.Water segregator and water collector rise for distributing and collecting cold and hot matchmaker used in end equipment
It is acted on to certain pressure balance.The main function of second water treatment unit be processing hot and cold water, guarantee enter end equipment and
The requirement for being met end equipment and water resource heat pump water chiller-heater unit using the hot and cold water water quality of side heat exchanger is played protection to it and made
With.The use of side heat exchanger is a kind of heat exchanger components, realizes the heat exchange between hot and cold water and refrigerant.
First water treatment unit and the second water treatment unit should according to water quality, systems, Type of equipment difference and select
One or more sets corresponding devices are selected to constitute.
Often all there is circulating cooling due to production technology characteristic in industries such as petrochemical industry, electric power, steel, metallurgy
Water can be selected water cooled chiller or water resource heat pump be cold and hot when there is low-temperature industrial recirculated cooling water as water source for utilizing
Water dispenser group is plant area's cooling supply or heat supply.Winter low temperature industrial circulating cooling water is higher than ambient air temperature, so that evaporating temperature mentions
Height, Energy Efficiency Ratio improve；Summer Low Temperature industrial circulating cooling water is lower than ambient air temperature, so that condensation temperature reduces, unit effect
Rate improves；And winter water resource heat pump water chiller-heater unit uses the heat supply of low-temperature industrial recirculated cooling water, and recycling is sharp to a certain extent
With the industrial waste heat that will be discharged, efficiency of energy utilization is improved, energy-efficient effect is played.Water resource heat pump is cold and hot simultaneously
Water dispenser group can with a tractor serves several purposes, can not only freeze but can heat supply, eliminate other heating systems under specific environment.Further more, low temperature work
Industry circulating cooling coolant-temperature gage, flow are relatively stable, and thermal capacity is huge, ensure that the high efficiency and economy of system, and the winter is not present
The severe problem of working environment of season defrosting and summer host high-temperature.
Further, the pipeline between water collector (21) and the second water treatment unit (19) is provided with water-supply and pressure-stabling device
(15).Set of water-supply and pressure-stabling device is generallyd use, make-up pump, extra feed tank, air pressure can also be respectively set by design requirement
Tank etc., to realize water-supply and pressure-stabling function.The water-filling before system operation may be implemented in water-supply and pressure-stabling device, mends to running system
The a small amount of dehydration of charging system maintains the pressure of circulation pump unit entrance to stablize, avoids pump inlet pressure is too low from causing to cavitate, protects
There is not vaporization, empties, superpressure in barrier end equipment.
Further, water-supply and pressure-stabling device (15) includes air pressure tank (22), make-up water pump group (16) and extra feed tank
(14), air pressure tank (22) and make-up water pump group (16) pass through water supply pipe (24) and water collector (21) and the second water treatment unit
(19) the pipeline connection between, air pressure tank (22) are connected to extra feed tank (14) with make-up water pump group (16).
Further, ball-cock assembly (13) are equipped in extra feed tank (14), ball-cock assembly (13) is connected to water supply source pipe, moisturizing
Water source tube is equipped with Shuttoff Valve；Water supply pipe (24) is equipped with rapid water filling interface (23).
Further, first water treatment unit (6) includes the first filter device (7) being sequentially communicated, at the first water
Manage device (8) and ball cleaning apparatus (9)；Ball cleaning apparatus (9) connection is low-temperature industrial recirculated cooling water water inlet pipe (3) and low
Temperature industrial recirculated cooling water outlet pipe (2) carries out transmitting-receiving glueballs, completes water source side heat exchanger (11) cleaning.
Further, second water treatment unit (19) includes the second filter device (17) and the second water being sequentially communicated
Processing unit (18).
First filter device (7) and the second filter device (17) are specially y-type filter, basket filter, recoil
Wash any one in formula filter, electric toothbrush filter etc.；First water treatment facilities (8) and the second water treatment facilities (18)
Specially water by-pass flow comprehensive processor or intelligent laser hydrotreater etc..
Each pipeline, valve, attachment mainly include for connecting the pipeline of each unit, for adjust and turning off system it is each
Plant manual and electrically operated valve, thermometer and pressure gauge for displays temperature and pressure, point for distributing and collecting cold and hot matchmaker
Hydrophone and water collector, for realizing each end equipment and the hydraulically balanced digital locked balance valve of process equipment loop etc..Divide, collection
It is preferably connected by pipeline between hydrophone and differential pressure control valve is set.
Further, expansion device is equipped with (also referred to as between water source side heat exchanger (11) and use side heat exchanger (12)
For throttling set, expansion valve) and compressor, compressor by four-way reversing valve respectively with water source side heat exchanger (11), use side
Heat exchanger (12) connection.
The flowing relation principle of refrigerant in the unit is as follows: refrigerant comes out from compressor enters four-way commutation through pipeline
Then valve enters through pipeline using side heat exchanger (12), expanded device enters water source side heat exchanger (11), enters four through pipeline
Logical reversal valve enters compressor through pipeline again.
Or the flowing relation principle of refrigerant in the unit is as follows, refrigerant enters four-way through pipeline out from compressor and changes
Then enter water source side heat exchanger (11) through pipeline to valve, expanded device enters using side heat exchanger (12), enters through pipeline
Four-way reversing valve enters compressor through pipeline again.
Further, the pump unit (5) and circulation pump unit (20) are pumped by several jacket waters and hot and cold water respectively
Circulating pump is formed in parallel, every set branch by cooling water pump or cold and hot water-circulating pump, it is flexible be flexible coupling, check-valves, Shuttoff Valve
It is formed by connecting, pump unit (5) provides the resistance that power overcomes this system for low-temperature industrial recirculated cooling water, recycles pump unit
(20) resistance that power overcomes this system is provided for hot and cold matchmaker's water.
Cooling water pump, the number of units of cold and hot water-circulating pump and flow are preferably corresponding with the number of units of unit and flow.Except cold water follows
The flow and lift, number of units of ring pump are allowed to be met using temperature outside winter design conditions and the requirement of partial load condition,
Hot water or cold water circulating pump should be respectively set.
Further, the end equipment (4) is set as referring to that combination is empty using air-conditioning equipment of the hot and cold water as cold and hot matchmaker
Any one or a few in tune, fan coil, Fresh air handling units or air-treatment unit.
The utility model has the following beneficial effects:
Compared with prior art, the waste heat in building or process equipment can be transferred to water in summer by the utility model
In source, since water source temperature is low, it is possible to efficiently take away heat；And winter, water resource heat pump water chiller-heater unit is then from water source
Middle extraction energy is sent in building or on process equipment after promoting temperature by refrigerating medium according to heat pump principle.Meeting state
Under the premise of family's related specification requirement, usual water resource heat pump water chiller-heater unit consumes the energy of 1kW, and end equipment is available
The heat or cooling capacity of 4kW or more.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the present invention.
Appended drawing reference: 1- water segregator, 2- low-temperature industrial recirculated cooling water outlet pipe, the water inlet of 3- low-temperature industrial recirculated cooling water
Pipe, 4- end equipment, 5- pump unit, the first water treatment unit of 6-, the first filter device of 7-, the first water treatment facilities of 8-, 9-
Ball cleaning apparatus, 10- water resource heat pump water chiller-heater unit, the water source 11- side heat exchanger, 12- use side heat exchanger, 13- ball-cock assembly,
14- extra feed tank, 15- water-supply and pressure-stabling device, 16- make-up water pump group, the second filter device of 17-, the second water treatment facilities of 18-,
The second water treatment unit of 19-, 20- recycle pump unit, 21- water collector, 22- air pressure tank, 23- rapid water filling interface, 24- moisturizing
Pipe.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
Embodiment 1:
As shown in Figure 1, a kind of refrigeration heating system using low-temperature industrial recirculated cooling water, which is characterized in that including water
Source heat pump refrigerating and heating unit 10, water resource heat pump water chiller-heater unit 10 is including water source side heat exchanger 11 and uses side heat exchanger 12, water
It is equipped with expansion device (also referred to as throttling set, expansion valve) and compressor between source heat exchanger 11 and use side heat exchanger 12,
Compressor is connected with water source side heat exchanger 11, using side heat exchanger 12 respectively by four-way reversing valve；Water source side heat exchanger 11
Water inlet is connected to low-temperature industrial recirculated cooling water water inlet pipe 3, and the water outlet connection low-temperature industrial circulation of water source side heat exchanger 11 is cold
But water outlet pipe 2；Low-temperature industrial recirculated cooling water water inlet pipe 3 is equipped with pump unit 5 and the first water treatment unit 6；Use side
The water outlet of heat exchanger 12 is connected to water segregator 1, is connected to using the water inlet of side heat exchanger 12 with water collector 21,1 He of water segregator
Water collector 21 is connected to end equipment 4, and circulation pump unit 20 and second is equipped between water collector 21 and use side heat exchanger 12
Water treatment unit 19.
Embodiment 2:
On the basis of embodiment 1, it is different from embodiment 1, as shown in Figure 1, water collector 21 and the second water treatment unit 19
Between pipeline be connected to water-supply and pressure-stabling device 15.Water-supply and pressure-stabling device 15 includes air pressure tank 22, make-up water pump group 16 and make-up water
Case 14, air pressure tank 22 and make-up water pump group 16 pass through the pipe between water supply pipe 24 and water collector 21 and the second water treatment unit 19
Road connection, air pressure tank 22 and make-up water pump group 16 are connected to extra feed tank 14.Ball-cock assembly 13, floating ball are equipped in extra feed tank 14
Valve 13 is connected to water supply source pipe, and water supply source pipe is equipped with Shuttoff Valve；Water supply pipe 24 is equipped with rapid water filling interface 23.
Embodiment 3:
On the basis of Examples 1 and 2, be different from Examples 1 and 2, as shown in Figure 1, the first water treatment unit 6 include according to
The first filter device 7, the first water treatment facilities 8 and the ball cleaning apparatus 9 of secondary connection；Ball cleaning apparatus 9 is connected to low temperature work
Industry recirculated cooling water water inlet pipe 3 and low-temperature industrial recirculated cooling water outlet pipe 2 carry out transmitting-receiving glueballs, complete water source side heat exchanger 11
Cleaning.Second water treatment unit 19 includes the second filter device 17 and the second water treatment facilities 18 being sequentially communicated.
The working principle of the first of the embodiments of the present invention 3: system includes two cyclic processes altogether, and one is low
The circulation of temperature industrial recirculated cooling water, the other is circulation of the system for the heat medium water of heat supply.The two cyclic processes all exist
Monitoring, adjusting, the switching of centralized control system are lower to be completed.
The circulation of low-temperature industrial recirculated cooling water: the low-temperature industrial of the connection of low-temperature industrial recirculated cooling water water inlet pipe 3 plant area
Cooling water return pipe, system take from low-temperature industrial cooling water return pipe (the low-temperature industrial recirculated cooling water condition of high temperature)
Low-temperature industrial recirculated cooling water is obtained, low-temperature industrial recirculated cooling water is in system pipeline followed by pump unit 5, pump unit
5 provide power for low-temperature industrial recirculated cooling water to overcome the resistance of this system；First water treatment unit 6, the first water process list
Member 6 guarantees that the water quality for entering unit meets unit requirement；Water resource heat pump water chiller-heater unit 10 (unit evaporator), water resource heat pump is cold
Hot water units 10 extract the industrial waste heat in recycling low-temperature industrial recirculated cooling water, and waste heat is supplied to heat supply according to heat pump principle
Heating agent；Low-temperature industrial recirculated cooling water returns to low-temperature industrial recirculated cooling water circulating water pool (low-temperature industrial recirculated cooling water later
Low-temperature condition) complete its own circulation.
The circulation of heat supply heat medium water: heating agent coolant-temperature gage after heat supply reduces, from each end equipment 4 and process equipment flow out into
Enter water collector 21, later followed by the second water treatment unit 19, guarantees that the water quality for entering unit meets unit requirement；Circulating pump
Unit 20 recycles pump unit 20 as heat medium water and provides power to overcome the resistance of this system；10 (machine of water resource heat pump water chiller-heater unit
Group condenser), the industrial waste heat of the release recycling of water resource heat pump water chiller-heater unit 10 increases heating agent coolant-temperature gage；Heat medium water later
Into water segregator 1, it is assigned at each end equipment 4 and process equipment for heat supply.It is also equipped with water-supply and pressure-stabling device 15 simultaneously,
Guarantee that the pressure of heating agent water circulation system meets the dehydration of service requirement and replenishment system.
Second of the working principle of the embodiments of the present invention 3: system includes two cyclic processes altogether, and one is low
The circulation of temperature industrial recirculated cooling water, the other is circulation of the system for the chilled water of refrigeration.The two cyclic processes all exist
Monitoring, adjusting, the switching of centralized control system are lower to be completed.
The circulation of low-temperature industrial recirculated cooling water: system is from plant area's low-temperature industrial recirculated cooling water water supplying pipe (low-temperature industrial
Recirculated cooling water low-temperature condition) obtain low-temperature industrial recirculated cooling water, low-temperature industrial recirculated cooling water in system pipeline successively
Pump unit 5 is flowed through, pump unit 5 provides power for low-temperature industrial recirculated cooling water to overcome the resistance of this system；First water
Processing unit 6, the first water treatment unit 6 guarantee that the water quality for entering unit meets unit requirement；Water resource heat pump water chiller-heater unit 10
Waste heat in building or process equipment that chilled water absorbs is transferred to by (train condenser), water resource heat pump water chiller-heater unit 10
In low-temperature industrial recirculated cooling water；Low-temperature industrial recirculated cooling water after temperature increases returns to low-temperature industrial recirculated cooling water time
Water pipe (the low-temperature industrial recirculated cooling water condition of high temperature) completes its own circulation.
The circulation of refrigeration refrigerant water: the chilled water temperature after refrigeration increases, and flows out from each end equipment 4 and process equipment
Into water collector 21, later followed by the second water treatment unit 19, guarantee that the water quality for entering unit meets unit requirement；Circulation
Pump unit 20 recycles pump unit 20 as chilled water and provides power to overcome the resistance of this system；Water resource heat pump water chiller-heater unit 10
(unit evaporator), water resource heat pump water chiller-heater unit 10 absorb the waste heat in building or process equipment that chilled water carries, make
Chilled water temperature reduces；Chilled water enters water segregator later, is assigned at each end equipment 4 and process equipment for freezing.
It is also equipped with water-supply and pressure-stabling device 15 simultaneously, guarantees that the pressure of refrigerant water system meets the mistake of service requirement and replenishment system
Water.
The above is not limitations of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, under the premise of not departing from the utility model in essence range, several variations, modifications, additions or substitutions can also be made,
These improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of refrigeration heating system using low-temperature industrial recirculated cooling water, which is characterized in that including water segregator (1), water pump
Unit (5), the first water treatment unit (6), water resource heat pump water chiller-heater unit (10), the second water treatment unit (19), circulating pump list
First (20) and water collector (21),
The water resource heat pump water chiller-heater unit (10) includes water source side heat exchanger (11) and uses side heat exchanger (12)；
Low-temperature industrial recirculated cooling water water inlet pipe (3) passes sequentially through pump unit (5), the first water treatment unit (6) and water source side
The water inlet of heat exchanger (11) is connected to, the water outlet of low-temperature industrial recirculated cooling water outlet pipe (2) and water source side heat exchanger (11)
Connection；
The water segregator (1) is connected to end equipment (4) with water collector (21), water segregator (1) and use side heat exchanger (12)
Water outlet connection, water collector (21) passes sequentially through the second water treatment unit (19), circulation and is exchanged heat at pump unit (20) using side
The water inlet of device (12) is connected to.
2. a kind of refrigeration heating system using low-temperature industrial recirculated cooling water according to claim 1, which is characterized in that
Pipeline between water collector (21) and the second water treatment unit (19) is provided with water-supply and pressure-stabling device (15).
3. a kind of refrigeration heating system using low-temperature industrial recirculated cooling water according to claim 2, which is characterized in that
Water-supply and pressure-stabling device (15) includes air pressure tank (22), make-up water pump group (16) and extra feed tank (14), air pressure tank (22) and supply
Water pump group (16) is connected to by the pipeline between water supply pipe (24) and water collector (21) and the second water treatment unit (19), air pressure
Tank (22) is connected to extra feed tank (14) with make-up water pump group (16).
4. a kind of refrigeration heating system using low-temperature industrial recirculated cooling water according to claim 3, which is characterized in that
Ball-cock assembly (13) are equipped in extra feed tank (14), ball-cock assembly (13) is connected to water supply source pipe, and water supply source pipe is equipped with shut-off valve
Door；Water supply pipe (24) is equipped with rapid water filling interface (23).
5. a kind of refrigeration heating system using low-temperature industrial recirculated cooling water according to claim 1, which is characterized in that
First water treatment unit (6) includes that the first filter device (7), the first water treatment facilities (8) and glueballs that are sequentially communicated are clear
Cleaning device (9)；Ball cleaning apparatus (9) is connected to low-temperature industrial recirculated cooling water water inlet pipe (3) and low-temperature industrial recirculated cooling water
Outlet pipe (2) carries out transmitting-receiving glueballs, completes water source side heat exchanger (11) cleaning.
6. a kind of refrigeration heating system using low-temperature industrial recirculated cooling water according to claim 1, which is characterized in that
Second water treatment unit (19) includes the second filter device (17) and the second water treatment facilities (18) being sequentially communicated.
7. a kind of refrigeration heating system using low-temperature industrial recirculated cooling water according to claim 1, which is characterized in that
Expansion device and compressor are equipped between water source side heat exchanger (11) and use side heat exchanger (12), compressor passes through four-way
Reversal valve is connected with water source side heat exchanger (11), using side heat exchanger (12) respectively.
8. a kind of refrigeration heating system using low-temperature industrial recirculated cooling water according to claim 1, which is characterized in that
The pump unit (5) and circulation pump unit (20) are formed in parallel by several jacket waters pump and cold and hot water-circulating pump respectively, often
Set branch by cooling water pump or cold and hot water-circulating pump, it is flexible be flexible coupling, check-valves, Shuttoff Valve are formed by connecting, pump unit
(5) resistance that power overcomes this system is provided for low-temperature industrial recirculated cooling water, circulation pump unit (20) provides for hot and cold matchmaker's water
Power overcomes the resistance of this system.
9. a kind of refrigeration heating system using low-temperature industrial recirculated cooling water according to claim 1, which is characterized in that
The end equipment (4) is set as referring to combined air conditioner, fan coil, fresh air using air-conditioning equipment of the hot and cold water as cold and hot matchmaker
Any one or a few in unit or air-treatment unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821288681.6U CN208671416U (en) | 2018-08-10 | 2018-08-10 | A kind of refrigeration heating system using low-temperature industrial recirculated cooling water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821288681.6U CN208671416U (en) | 2018-08-10 | 2018-08-10 | A kind of refrigeration heating system using low-temperature industrial recirculated cooling water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208671416U true CN208671416U (en) | 2019-03-29 |
Family
ID=65836205
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821288681.6U Active CN208671416U (en) | 2018-08-10 | 2018-08-10 | A kind of refrigeration heating system using low-temperature industrial recirculated cooling water |
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| CN (1) | CN208671416U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917228A (en) * | 2018-08-10 | 2018-11-30 | 青岛艳阳天环保科技有限公司 | A kind of refrigeration heating system using low-temperature industrial recirculated cooling water |
| CN112283976A (en) * | 2020-10-26 | 2021-01-29 | 北京德瑞洁能科技有限公司 | Water source heat pump system |
-
2018
- 2018-08-10 CN CN201821288681.6U patent/CN208671416U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917228A (en) * | 2018-08-10 | 2018-11-30 | 青岛艳阳天环保科技有限公司 | A kind of refrigeration heating system using low-temperature industrial recirculated cooling water |
| CN112283976A (en) * | 2020-10-26 | 2021-01-29 | 北京德瑞洁能科技有限公司 | Water source heat pump system |
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