CN207317311U - A kind of wind-cooled cold-water refrigeration system with condensation heat recovery device - Google Patents
A kind of wind-cooled cold-water refrigeration system with condensation heat recovery device Download PDFInfo
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- CN207317311U CN207317311U CN201721357485.5U CN201721357485U CN207317311U CN 207317311 U CN207317311 U CN 207317311U CN 201721357485 U CN201721357485 U CN 201721357485U CN 207317311 U CN207317311 U CN 207317311U
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- heat exchanger
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- way reversing
- reversing valve
- export
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Abstract
A kind of wind-cooled cold-water refrigeration system is the utility model is related to, specifically a kind of wind-cooled cold-water refrigeration system with condensation heat recovery device, belong to air-conditioning refrigeration system technical field.It includes compressor, the first four-way reversing valve, the second four-way reversing valve, First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, reservoir, restricting element and gas-liquid separator, second working end of the first four-way reversing valve is connected with the second heat exchanger input end, second heat exchanger exit end is connected with reservoir input end, and the port of export S of the first four-way reversing valve is connected with gas-liquid separator input end.The utility model is simple in structure, compact, reasonable, stable and reliable in work;Life water is heated using cooling in summer condensation heat, the energy has been saved, has reduced thermal pollution, whole system functional reliability greatly improves.
Description
Technical field
A kind of wind-cooled cold-water refrigeration system is the utility model is related to, specifically a kind of wind with condensation heat recovery device
Cold water refrigeration system, belongs to air-conditioning refrigeration system technical field.
Background technology
Always there is considerable condensation heat during air-conditioning system refrigerating operaton(1.15 ~ 1.3 times up to refrigerating capacity of condensation heat)
Air is directly discharged into, is lost in vain, causes larger energy waste, and there are still the thermal pollution to surrounding environment.And
For residential housing, building needs substantial amounts of domestic hot-water supply again, particularly hotel class building.With people
The continuous improvement of living standard, the requirement of domestic hot-water is also increasing, and the energy needed for heating domestic hot water is also increasingly
Greatly, carry out heating domestic hot water if can completely or partially recycle condensation heat, can not only reduce condensation heat caused by environment
Thermal pollution, but also many energy can be saved.Condensing units have two kinds of patterns of part recuperation of heat and total heat recovery, part
Recovery type heat is generally used in machine set compressor exhaust outlet one hot water heat exchanger of series connection, and shortcoming is recuperation of heat amount ratio
It is small, the 20% of unit refrigeration duty is typically less than, and be easy to cause the problems such as system pressure is excessive;Total heat recovery type generally passes through
Increase a hot water heat exchanger and train condenser is in parallel, current most of units freeze, heat in order to balance, water heating work(
Can, system design is excessively complicated, and refrigeration valve member increases, and causes refrigeration and heating condition hydraulic performance decline that the operation period is longer, is
System bad stability.
The content of the invention
In place of the purpose of this utility model is to overcome above-mentioned deficiency, so as to provide a kind of wind with condensation heat recovery device
Cold water refrigeration system, using cooling in summer condensation heat heating domestic hot water, has saved the energy, has reduced thermal pollution, whole system
System functional reliability greatly improves.
According to technical solution provided by the utility model, a kind of wind-cooled cold-water refrigeration system bag with condensation heat recovery device
Include compressor, the first four-way reversing valve, the second four-way reversing valve, First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, liquid storage
Device, restricting element and gas-liquid separator, it is characterized in that:The port of export of compressor is connected with the input end D of the first four-way reversing valve,
First working end of the first four-way reversing valve is connected with the input end D of the second four-way reversing valve, and the first of the second four-way reversing valve
Working end C is connected with the input end of the 3rd heat exchanger, and the port of export of the 3rd heat exchanger is connected with reservoir input end, and reservoir goes out
Mouth end is connected with restricting element input end, restricting element port of export connection First Heat Exchanger input end, the First Heat Exchanger port of export
It is connected with the second working end E of the second four-way reversing valve;The port of export S of second four-way reversing valve connects with gas-liquid separator input end
Connect, the input end connection of the gas-liquid separator port of export and compressor;Second working end of the first four-way reversing valve and the second heat exchange
Device input end connects, and the second heat exchanger exit end is connected with reservoir input end, the port of export S and gas-liquid of the first four-way reversing valve
Separator input end connects.
Further, the first check valve is connected on the second heat exchanger input end pipeline.
Further, the second check valve is connected on the 3rd heat exchanger exit end pipe road.
Compared with the prior art the utility model has the following advantages:
The utility model is simple in structure, compact, reasonable, stable and reliable in work;Heated and lived using cooling in summer condensation heat
Hot water, has saved the energy, reduces thermal pollution, and whole system functional reliability greatly improves.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Description of reference numerals:1- compressors, the first four-way reversing valves of 2-, the second four-way reversing valves of 3-, 4- First Heat Exchangers,
The second heat exchangers of 5-, the 3rd heat exchangers of 6-, the first check valves of 7-, the second check valves of 8-, 9- reservoirs, 10- restricting elements, 11-
Gas-liquid separator.
Embodiment
The utility model will be further described with reference to the embodiment in attached drawing below:
As shown in Figure 1, the utility model mainly include compressor 1, the first four-way reversing valve 2, the second four-way reversing valve 3,
First Heat Exchanger 4, the second heat exchanger 5, the 3rd heat exchanger 6, reservoir 9, restricting element 10 and gas-liquid separator 11.
The port of export of compressor 1 is connected with the input end D of the first four-way reversing valve 2, the first work of the first four-way reversing valve 2
The input end D for making end C with the second four-way reversing valve 3 is connected, the first working end C of the second four-way reversing valve 3 and the 3rd heat exchanger 6
Input end connection, the port of export of the 3rd heat exchanger 6 is connected with 9 input end of reservoir, 9 port of export of reservoir and restricting element 10
Input end connects, 10 port of export of restricting element connection 4 input end of First Heat Exchanger, 4 port of export of First Heat Exchanger and the second four-way
Second working end E connections of reversal valve 3.The port of export S of second four-way reversing valve 3 is connected with 11 input end of gas-liquid separator, gas
11 port of export of liquid/gas separator is connected with the input end of compressor 1.
The second check valve 8 is connected on 3rd heat exchanger, 6 port of export pipeline, the setting of the second check valve 8 causes pipeline
Middle medium can only one-way flow.
In cooling mode, the input end D of the first four-way reversing valve 2 and the second four-way reversing valve 3 and respective first work
Make end C to connect, the port of export S of the first four-way reversing valve 2 and the second four-way reversing valve 3 is connected with respective second working end E.It is high
The refrigerant of warm high pressure, through the first four-way reversing valve 2 and the second four-way reversing valve 3, is cooled down from compressor 1 in the 3rd heat exchanger 6
After cooling, by the second check valve 8, absorb heat after being throttled again by restricting element 10 after reservoir 9 into First Heat Exchanger 4.
The refrigerant of the low-temp low-pressure come out from First Heat Exchanger 4, by entering gas-liquid point through four-way reversing valve 2 and four-way reversing valve 3
From device 11,1 air entry of compressor is entered back into, completes kind of refrigeration cycle.
Second working end E of the first four-way reversing valve 2 is connected with 5 input end of the second heat exchanger, 5 port of export of the second heat exchanger
It is connected with 9 input end of reservoir, the port of export S of the first four-way reversing valve 2 is connected with 11 input end of gas-liquid separator.
The first check valve 7 is connected on second heat exchanger, the 5 input end pipeline, the setting of the first check valve causes in pipeline
Medium can only one-way flow.Second heat exchanger 5 is hot water heat exchanger.
Under refrigeration+hot water model, the input end D of the first four-way reversing valve 2 and the second four-way reversing valve 3 with it is respective
Second working end E is connected, the port of export S and respective first working end C of the first four-way reversing valve 2 and the second four-way reversing valve 3
Connection.The refrigerant of high temperature and pressure, through the first four-way reversing valve 2, is cooled from compressor 1 in the second heat exchanger 5 after heating water
Cooling, by the first check valve 7, absorbs heat after being throttled again by restricting element 10 after reservoir 9 into First Heat Exchanger 4.From
The refrigerant for the low-temp low-pressure that First Heat Exchanger 4 comes out, by entering through the first four-way reversing valve 2 and the second four-way reversing valve 3
Gas-liquid separator 11, enters back into 1 air entry of compressor, completes refrigeration+water heating circulation.
The utility model, will by increasing four-way reversing valve component and hot water heat exchanger 5 in wind-cooled cold-water refrigeration system
All recycling is used to produce domestic hot-water the condensation heat discharged during cooling in summer, and other periods, can be another if necessary to domestic hot-water
Add Teat pump boiler.And other total heat recovery products, increase the valve for being much used for controlling refrigerant flow direction in refrigeration system
Part, although realizing condensing units function when realizing and producing domestic hot-water, only cooling in summer throughout the year, in refrigeration without demand
When, equivalent to one Teat pump boiler uses, and causes system excessively complicated, and single refrigeration and heating performance can be affected on the contrary,
The reliability of system can also reduce.Although the unit function is single, so that refrigeration system greatly simplifies, the stabilization of system is improved
Property.
Claims (3)
1. a kind of wind-cooled cold-water refrigeration system with condensation heat recovery device, including compressor(1), the first four-way reversing valve(2)、
Second four-way reversing valve(3), First Heat Exchanger(4), the second heat exchanger(5), the 3rd heat exchanger(6), reservoir(9), throttling member
Part(10)And gas-liquid separator(11), it is characterized in that:Compressor(1)The port of export and the first four-way reversing valve(2)Input end D
Connection, the first four-way reversing valve(2)The first working end C and the second four-way reversing valve(3)Input end D connections, the second four-way
Reversal valve(3)The first working end C and the 3rd heat exchanger(6)Input end connection, the 3rd heat exchanger(6)The port of export and liquid storage
Device(9)Input end connects, reservoir(9)The port of export and restricting element(10)Input end connects, restricting element(10)The port of export connects
Connect First Heat Exchanger(4)Input end, First Heat Exchanger(4)The port of export and the second four-way reversing valve(3)The second working end E connect
Connect;Second four-way reversing valve(3)Port of export S and gas-liquid separator(11)Input end connects, gas-liquid separator(11)The port of export
With compressor(1)Input end connection;First four-way reversing valve(2)The second working end E and the second heat exchanger(5)Input end connects
Connect, the second heat exchanger(5)The port of export and reservoir(9)Input end connects, the first four-way reversing valve(2)Port of export S and gas-liquid
Separator(11)Input end connects.
2. a kind of wind-cooled cold-water refrigeration system with condensation heat recovery device as claimed in claim 1, it is characterized in that:Described
Two heat exchangers(5)The first check valve is connected on input end pipeline(7).
3. a kind of wind-cooled cold-water refrigeration system with condensation heat recovery device as claimed in claim 1, it is characterized in that:Described
Three heat exchangers(6)The second check valve is connected on port of export pipeline(8).
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107543331A (en) * | 2017-10-20 | 2018-01-05 | 无锡同方人工环境有限公司 | A kind of wind-cooled cold-water refrigeration system with condensation heat recovery device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107543331A (en) * | 2017-10-20 | 2018-01-05 | 无锡同方人工环境有限公司 | A kind of wind-cooled cold-water refrigeration system with condensation heat recovery device |
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