CN206019098U - Heat of compressor recovery type hot water defrosting's refrigeration system - Google Patents
Heat of compressor recovery type hot water defrosting's refrigeration system Download PDFInfo
- Publication number
- CN206019098U CN206019098U CN201620738487.8U CN201620738487U CN206019098U CN 206019098 U CN206019098 U CN 206019098U CN 201620738487 U CN201620738487 U CN 201620738487U CN 206019098 U CN206019098 U CN 206019098U
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- China
- Prior art keywords
- defrosting
- attemperater
- gas
- compressor
- hot water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Defrosting Systems (AREA)
Abstract
The utility model discloses a kind of heat of compressor recovery type hot water defrosting's refrigeration system, it is intended to reclaim compressor air-discharging waste heat for defrosting system.The high-temperature gas that this utility model compressor is discharged carries out heat exchange with attemperater through the water at low temperature that water pump pressurizes in gas-liquid heat exchanger, and the temperature of water is raised, and turns again to attemperater.When vaporizer needs defrosting, defrosting spray equipment is sent to from attemperater hot water out through water pump pressurization, hot water carries out heat exchange with frost layer, the water temperature after defrosting reduces falling in drip tray, returns to attemperater by the outlet of drip tray.The hot water that this refrigeration system is obtained using compressor air-discharging heat compares traditional Defrost technology, energy saving being defrosted.
Description
Technical field
This utility model is related to hot water defrosting's refrigeration system, and specifically one kind obtains heat using compressor air-discharging waste heat
Water is used for the refrigeration system of defrosting.
Background technology
Cryogenic temperature less than 0 DEG C of refrigeration system, the evaporator air side of cooling air all can frosting, blocked up frosting meeting
The heat transfer resistance of increase heat exchanger tube, causes evaporating temperature to reduce, and refrigerant system capacity reduces, and COP reduces.Therefore, work as evaporation
When the frosting of device surface reaches certain thickness, (frosting thickness should not result in the heat transfer coefficient of vaporizer and decline 10%) just should
Defrosting.
In the refrigeration system using air cooled condenser, frequently with Defrost method be hot gas defrosting, electric defrosting, hot water
Defrosting.Hot gas defrosting is that the high-temperature gas entrance vaporizer that compressor is discharged carries out defrosting；Electric defrosting is using electric heater pair
Evaporator coil carries out heating defrosting；Hot water defrosting is that heat water-spraying is carried out defrosting, during summer, hot water on evaporator coil
It is readily available, winter then needs heating to obtain.This several Defrost method is required for consuming big energy, increases refrigeration system energy
Consumption.
Conventional refrigeration defrosting power consumption is big, and performance driving economy is low, it is therefore necessary to designing and developing a kind of low energy consumption
Defrosting and refrigeration system.
Utility model content
This utility model is transformed to conventional refrigeration, overcomes the deficiencies in the prior art, there is provided a kind of pressure
Contracting machine afterheat recovery type hot water defrosting's refrigeration system.
This utility model heat of compressor recovery type hot water defrosting's refrigeration system, is achieved through the following technical solutions：
The outlet side of the refrigeration compressor 1 entrance point respectively with the entrance point and gas-liquid heat exchanger 5 of electromagnetic valve 1
It is connected, the import of the gas outlet end of the port of export of the electromagnetic valve 1 and gas-liquid heat exchanger 5 and air cooled condenser 2
End is connected, and the port of export of the air cooled condenser 2 is connected with the entrance point of expansion valve 3, the port of export of the expansion valve 3
It is connected with the entrance point of vaporizer 4, the port of export of the vaporizer 4 is connected with the inlet side of compressor 1；The gas-liquid heat
The liquid outlet end of exchanger 5 is connected with the entrance point of the attemperater 7, the port of export of the attemperater 7 and water pump 8
Entrance point be connected, the port of export of the water pump 8 is connected with the entrance point of electromagnetic valve 29, the outlet of the electromagnetic valve 29
End is connected with the liquid-inlet end of gas-liquid heat exchanger 5；The port of export of the water pump 8 is connected with defrosting spray equipment 11,
The drip tray 12 is connected with the entrance point of attemperater 7.
The temperature controller 13 is installed, for making attemperater defrosting coolant-temperature gage maintain 28 in the attemperater 7
DEG C -30 DEG C, design temperature controller lower limit is 28 DEG C, and design temperature controller higher limit is 30 DEG C.Attemperater temperature drops
To 28 DEG C, the water pump 8 starts, the electromagnetic valve 9 is powered opens, and 6 power-off of the electromagnetic valve is closed；Attemperater temperature is raised to
30 DEG C, the water pump 8 cuts out, and 9 power-off of the electromagnetic valve is closed, the electromagnetic valve 6 is powered opens.
This refrigeration system has the advantages that：
This utility model is transformed to conventional refrigeration, is increased a heat exchanger in compressor air-discharging outlet, is made pressure
The high-temperature vapour that contracting machine is discharged is exchanged heat with cold water, and aerofluxuss exothermic temperature reduces, then enters condenser continuation cooling condensation；Cold water
Endothermic temperature is raised, and obtaining hot water is used for defrosting.The hot water that this refrigeration system is obtained using compressor air-discharging heat is being removed
Frost, compares traditional Defrost technology, energy saving.
Description of the drawings
Fig. 1 is this utility model principle schematic.
Specific embodiment
This utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description only in order to explain this utility model, is not used to limit this utility model.
As shown in figure 1, the outlet side of refrigeration compressor 1 respectively with the entrance point and gas-liquid heat exchanger 5 of electromagnetic valve 1
Entrance point is connected, the gas outlet end of the port of export of the electromagnetic valve 1 and gas-liquid heat exchanger 5 and air cooled condenser 2
Entrance point be connected, the port of export of the air cooled condenser 2 is connected with the entrance point of expansion valve 3, the expansion valve 3
The port of export is connected with the entrance point of vaporizer 4, and the port of export of the vaporizer 4 is connected with the inlet side of compressor 1；Described
The liquid outlet end of gas-liquid heat exchanger 5 is connected with the entrance point of the attemperater 7, the port of export of the attemperater 7
It is connected with the entrance point of water pump 8, the port of export of the water pump 8 is connected with the entrance point of electromagnetic valve 29, the electromagnetic valve two
9 port of export is connected with the liquid-inlet end of gas-liquid heat exchanger 5；The port of export of the water pump 8 and defrosting spray equipment 11
It is connected, the drip tray 12 is connected with the entrance point of attemperater 7.
The temperature controller 13 is installed, for making attemperater defrosting coolant-temperature gage maintain 28 in the attemperater 7
DEG C -30 DEG C, design temperature controller lower limit is 28 DEG C, and design temperature controller higher limit is 30 DEG C.Attemperater temperature drops
To 28 DEG C, the water pump 8 starts, the electromagnetic valve 9 is powered opens, and 6 power-off of the electromagnetic valve is closed；Attemperater temperature is raised to
30 DEG C, the water pump 8 cuts out, and 9 power-off of the electromagnetic valve is closed, the electromagnetic valve 6 is powered opens.
When vaporizer needs defrosting, the water pump 8 starts, the compressor 1 is shut down, 9 power-off of the electromagnetic valve is closed, institute
6 power-off of electromagnetic valve closing is stated, the electromagnetic valve 10 is powered and opens.
Attemperater should have enough volumes, and at the end of moisture storage capacity please guarantee defrosting, the water temperature inside attemperater is not low
In 20 DEG C.
The operation principle of heat of compressor recovery type hot water defrosting's refrigeration system is as follows：Attemperater temperature drop is to 28
DEG C, water pump 8 starts, the water out of attemperater 7, is pressurizeed by water pump 8, and the liquid for entering gas-liquid heat exchanger 5 through electromagnetic valve 9 enters
Mouth end；The gas refrigerant of the High Temperature High Pressure that compressor 1 is discharged enters the gas inlet end of gas-liquid heat exchanger 5；In gas-liquid heat
In exchanger 5, water carries out heat exchange with high temperature and high pressure gas, and water endothermic temperature is raised, returned in attemperater 7；High Temperature High Pressure
Gas cooling is lowered the temperature, and enters the liquid refrigerant that air cooled condenser 2 is condensed into the middle temperature of high pressure, subsequently into expansion valve 3
Reducing pressure by regulating flow is changed into the gas-liquid two-phase cold-producing medium of low-temp low-pressure, and gas-liquid two-phase cold-producing medium enters vaporizer 4, and evaporation endothermic becomes low
Warm low-pressure gas, returns the suction side of compressor 1.
Attemperater temperature rises to 30 DEG C, and the gas refrigerant of the High Temperature High Pressure that is discharged by compressor 1 enters through electromagnetic valve 6
Enter the liquid refrigerant that air cooled condenser 2 is condensed into the middle temperature of high pressure, be changed into low temperature subsequently into 3 reducing pressure by regulating flow of expansion valve
The gas-liquid two-phase cold-producing medium of low pressure, gas-liquid two-phase cold-producing medium enter vaporizer 4, and evaporation endothermic becomes low temperature low pressure gas, return
The suction side of compressor 1.
When vaporizer needs to defrost, water pump 8 starts, and the water of attemperater is pressurizeed by water pump 8, enters defrosting spray equipment
11, spray carries out heat exchange with frost layer on evaporator coil, and coolant-temperature gage after defrosting reduces, and falls in drip tray 12, by connecing
The outlet of water pond 12 is returned in attemperater 7.
Claims (2)
1. a kind of heat of compressor recovery type hot water defrosting's refrigeration system, it is characterised in that the outlet of refrigeration compressor (1)
Side is connected with the entrance point of the entrance point and gas-liquid heat exchanger (5) of electromagnetic valve one (6) respectively, the electromagnetic valve one (6)
The port of export is connected with the entrance point of air cooled condenser (2) with the gas outlet end of gas-liquid heat exchanger (5), described air-cooled
The port of export of condenser (2) is connected with the entrance point of expansion valve (3), the port of export of expansion valve (3) and vaporizer (4)
Entrance point is connected, and the port of export of vaporizer (4) is connected with the inlet side of compressor (1)；
The liquid outlet end of gas-liquid heat exchanger (5) is connected with the entrance point of attemperater (7), the attemperater
(7) the port of export is connected with the entrance point of water pump (8), the entrance point phase of the port of export of water pump (8) and electromagnetic valve two (9)
Connection, the port of export of the electromagnetic valve two (9) are connected with the liquid-inlet end of gas-liquid heat exchanger (5)；
The port of export of water pump (8) is connected with defrosting spray equipment (11), drip tray (12) and attemperater (7)
Entrance point is connected.
2. heat of compressor recovery type hot water defrosting's refrigeration system according to claim 1, it is characterised in that the insulation
Temperature controller (13) is installed in water tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620738487.8U CN206019098U (en) | 2016-07-14 | 2016-07-14 | Heat of compressor recovery type hot water defrosting's refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620738487.8U CN206019098U (en) | 2016-07-14 | 2016-07-14 | Heat of compressor recovery type hot water defrosting's refrigeration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206019098U true CN206019098U (en) | 2017-03-15 |
Family
ID=58243945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620738487.8U Expired - Fee Related CN206019098U (en) | 2016-07-14 | 2016-07-14 | Heat of compressor recovery type hot water defrosting's refrigeration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206019098U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016875A (en) * | 2016-07-14 | 2016-10-12 | 天津商业大学 | Compressor waste heat recycling type hot water defrosting refrigeration system |
| CN107036350A (en) * | 2017-06-15 | 2017-08-11 | 广东美的制冷设备有限公司 | Air-conditioner outdoor unit and air conditioner |
| CN108709356A (en) * | 2018-07-02 | 2018-10-26 | 天津商业大学 | Using refrigeration compressor exhaust waste heat to the freezer of air-cooler defrosting |
| CN110701825A (en) * | 2019-10-11 | 2020-01-17 | 天津商业大学 | Natural gas driven direct contact condensation refrigerating system |
-
2016
- 2016-07-14 CN CN201620738487.8U patent/CN206019098U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016875A (en) * | 2016-07-14 | 2016-10-12 | 天津商业大学 | Compressor waste heat recycling type hot water defrosting refrigeration system |
| CN107036350A (en) * | 2017-06-15 | 2017-08-11 | 广东美的制冷设备有限公司 | Air-conditioner outdoor unit and air conditioner |
| CN108709356A (en) * | 2018-07-02 | 2018-10-26 | 天津商业大学 | Using refrigeration compressor exhaust waste heat to the freezer of air-cooler defrosting |
| CN110701825A (en) * | 2019-10-11 | 2020-01-17 | 天津商业大学 | Natural gas driven direct contact condensation refrigerating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20170714 |