CN207778918U - Freezer compressor waste heat recovery and defrosting device - Google Patents
Freezer compressor waste heat recovery and defrosting device Download PDFInfo
- Publication number
- CN207778918U CN207778918U CN201820106080.2U CN201820106080U CN207778918U CN 207778918 U CN207778918 U CN 207778918U CN 201820106080 U CN201820106080 U CN 201820106080U CN 207778918 U CN207778918 U CN 207778918U
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- pipeline
- compressor
- defrosting
- solvent
- shell
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Abstract
The utility model discloses a kind of freezer compressor Waste Heat Recovery and defrosting devices, including compressor, shell and tube heat exchanger, solvent liquid pump and multi-pipeline evaporator, compressor is connected by compressor air-discharging pipeline with the tube side in shell and tube heat exchanger, and first circulation circuit is formed；The shell side of shell and tube heat exchanger is connected by accumulation of heat solvent pipe with defrosting pipeline in multi-pipeline evaporator, forms second circulation circuit, and solvent liquid pump is equipped in accumulation of heat solvent pipe；The inlet and outlet of defrosting pipeline in multi-pipeline evaporator install temperature temperature measuring equipment, and the refrigerant line in multi-pipeline evaporator flows refrigerant under normal cooling operation mode；Solvent liquid pump and temperature measuring equipment are connected by signal transmitting device with controller.It reduces compressor exhaust temperature, while improving refrigerating efficiency, also this partial heat is recycled, realizes energy conservation and environmental protection；It is small to realize library temperature fluctuation for the revolution that liquid pump is controlled by controller.
Description
Technical field
The utility model is related to Refrigeration Technique, especially a kind of freezer compressor Waste Heat Recovery and defrosting device.
Background technology
Influence of the Refrigeration Technique to modern society clearly, an important ring of the middle-size and small-size freezer as agricultural product cold chain
Section, is in the quick construction period, and the refrigeration of food, drug in addition also be unable to do without freezer.But China's refrigeration storage system is also at present
There are some technological deficiencies, such as during freezer cold wind mechanism cold defrost, need to use electrical heating defrost, but electrical heating
There are many disadvantages for frost：When air-cooler frost layer is thicker, electrochemical cream can cause a large amount of electric quantity consumption；Due to electrothermal tube temperature compared with
Height can impact freezer goods stored, and library temperature is caused to fluctuate；Since electrothermal tube temperature may be out of control, it is easy to happen fire,
Cause refrigerant leakage pollution air；Since air-cooler frosting is uneven, defrost is not thorough.
Utility model content
Purpose of the utility model is to overcome the deficiencies of the above prior art and provide a kind of freezer compressor Waste Heat Recoveries
It is obtained safer, efficient with defrosting device using which solves the key technology difficulties of system matches and harmony
Power saving refrigerator system.
To achieve the above object, the utility model uses following technical proposals：
A kind of freezer compressor Waste Heat Recovery and defrosting device, including compressor, shell and tube heat exchanger, solvent liquid pump and
Multi-pipeline evaporator, compressor are connected by compressor air-discharging pipeline with the tube side in shell and tube heat exchanger, form first
Circulation loop；The shell side of shell and tube heat exchanger is connected by accumulation of heat solvent pipe with the defrosting pipeline in multi-pipeline evaporator
It connects, forms second circulation circuit, and solvent liquid pump is installed in accumulation of heat solvent pipe；Defrosing pipe in multi-pipeline evaporator
The inlet and outlet on road install temperature temperature measuring equipment, and the refrigerant line in multi-pipeline evaporator flows under normal cooling operation mode
Refrigerant；Solvent liquid pump and temperature measuring equipment are connected by signal transmitting device with controller.
The compressor is low-temperature cold store compressor.
The shell and tube heat exchanger is indirect type heat exchanger, and Bottomhole pressure compressor high-temperature exhaust air, interior shell is that accumulation of heat is molten
Agent.
The accumulation of heat solvent is ethylene glycol solution.
The compressor air-discharging pipeline and accumulation of heat solvent pipe are copper tube.
The solvent liquid pump is frequency conversion liquid pump.
The multi-pipeline evaporator includes the evaporation coil group being juxtaposed in evaporator body and defrosting pipeline, described
Defrosting pipeline is in coil-like, and evaporation coil group is made of the seamless steel pipe of fin coiled pipe, and internal flow is refrigerant；Melt
White pipeline is copper tube composition, and internal flow is accumulation of heat solvent.
The temperature temperature measuring equipment is K-type thermocouple temperature sensor.
In view of the heat that exhaust outlet of compressor generates in refrigeration system is waste heat, compressor exhaust pipe is system temperature highest
Place, Compressor Discharge Pressure is high, causes condensation temperature excessively high, and compressor operating electric current increases, so efficiency declines.Condensation
The excessively high refrigerant liquid of temperature cannot abundant condensation liquefaction, cause the excessively high refrigerating efficiency of evaporating temperature to decline.
The utility model carries out heat absorption storage using accumulation of heat solvent to compressor air-discharging waste heat, to frosting position in freezer into
Row defrost reduces compressor exhaust temperature and pressure, reduces condensation temperature and pressure, removes the electric energy that electrochemical cream additionally consumes,
The performance of refrigeration machine is improved, and has automatic control function.
It reduces compressor exhaust temperature, and while improving refrigerating efficiency, also this partial heat is recycled
It utilizes, realizes energy conservation and environmental protection；The revolution of liquid pump is controlled by controller, and then controls solvent outlet temperature to realize that reduction is cold
It is small to realize library temperature fluctuation within 3 DEG C for the library temperature undulated control of library defrosting；By arranging the solvent pipe in multi-pipeline evaporator
It is thorough to realize defrosting for road.
Description of the drawings
Fig. 1 is Tthe utility model system schematic diagram；
Wherein, 1 is compressor, and 2 be shell and tube heat exchanger, and 3 be compressor air-discharging pipeline, and 4 be solvent liquid pump, and 5 be storage
Hot solvent pipeline, 6 be temperature temperature measuring equipment, and 7 be multi-pipeline evaporator；8 be evaporation coil group, and 9 be defrosting pipeline.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
Structure, ratio, size etc. depicted in this specification institute accompanying drawings, only to coordinate specification it is revealed in
Hold, so that those skilled in the art understands and reads, is not limited to the enforceable qualifications of the utility model, therefore not
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are new not influencing this practicality
Under the effect of type can be generated and the purpose that can reach, it should all still fall and obtain and can contain in the revealed technology contents of the utility model
In the range of lid.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term,
It is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or tune
It is whole, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
As shown in Figure 1, freezer compressor Waste Heat Recovery and defrosting device, including it is compressor 1, shell and tube heat exchanger 2, molten
Agent liquid pump 4 and multi-pipeline evaporator 7, compressor 1 pass through compressor air-discharging pipeline 3 and the tube side phase in shell and tube heat exchanger 2
Connection forms first circulation circuit；The shell side of shell and tube heat exchanger 2 passes through in accumulation of heat solvent pipe 5 and multi-pipeline evaporator 7
Defrosting pipeline 9 be connected, form second circulation circuit, and solvent liquid pump 4 is installed in accumulation of heat solvent pipe 5；In multitube
The inlet and outlet of defrosting pipeline 9 in road evaporator 7 install temperature temperature measuring equipment 6, the refrigerant line 8 in multi-pipeline evaporator 7
Refrigerant is flowed under normal cooling operation mode；Solvent liquid pump 4 and temperature measuring equipment 6 pass through signal transmitting device and control
Device processed is connected.
Compressor 1 is low-temperature cold store compressor, and shell and tube heat exchanger 2 is indirect type heat exchanger, Bottomhole pressure compressor
High-temperature exhaust air, interior shell is accumulation of heat solvent.Accumulation of heat solvent is ethylene glycol solution.Compressor air-discharging pipeline 3 and accumulation of heat solvent pipe 5 are equal
For copper tube.Solvent liquid pump 4 is frequency conversion liquid pump.Multi-pipeline evaporator 7 includes the evaporating pan being juxtaposed in evaporator body
Pipe group 8 and defrosting pipeline 9, the defrosting pipeline 9 are in coil-like, and evaporation coil group 8 and defrosting pipeline 9 are arranged side by side, and the two is not
Contact.Evaporation coil group 8 is made of the seamless steel pipe of fin coiled pipe, and internal flow is refrigerant；Defrosting pipeline 9 is purple
Copper pipe composition, internal flow is accumulation of heat solvent.Temperature temperature measuring equipment 6 is K-type thermocouple temperature sensor.
In view of the heat that exhaust outlet of compressor generates in refrigeration system is waste heat, compressor exhaust pipe is system temperature highest
Place, compressor 1 pressure at expulsion is high, causes condensation temperature excessively high, and 1 running current of compressor increases, so efficiency declines.It is cold
The solidifying excessively high refrigerant liquid of temperature cannot abundant condensation liquefaction, cause the excessively high refrigerating efficiency of evaporating temperature to decline.
The use process of the utility model is：
The first step is stored into 1 waste heat of compressor in accumulation of heat solvent using above-mentioned first circulation circuit；Mounted on storage
Temperature measuring equipment 6 in hot solvent can be with real-time testing temperature.
Second step monitors cold wind temperature change by the temperature measuring equipment 6 on multi-pipeline evaporator 7, reaches setting temperature
Start defrosting after degree.Using above-mentioned second circulation circuit, the heat in accumulation of heat solvent is transported to multi-pipeline evaporator 7 and is carried out
Defrosting.
Third walks, and defrosting starts.Compressor 1 is stopped, the stopping fan rotation of multi-pipeline evaporator 7.
4th step opens accumulation of heat solvent liquid pump 4, and the accumulation of heat solvent of high temperature flow to multi-pipeline evaporator by solvent pipe
7 carry out heat release, start to melt after tying the heat of the frost absorption accumulation of heat solvent on the outside of evaporator.Solvent pipe is detected by detection
The 6 real-time measuring temperature of temperature temperature measuring equipment of upper inlet and outlet, compares out temperature difference to judge whether defrosting terminates.
5th step, defrosting terminate.Accumulation of heat solvent liquid pump 4 is stopped.
6th step, compressor 1 start, and the fan of multi-pipeline evaporator 7 runs well, and are transferred to refrigeration mode operation.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but not to this practicality newly
The limitation of type protection domain, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel need not make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (8)
1. a kind of freezer compressor Waste Heat Recovery and defrosting device, characterized in that including compressor, shell and tube heat exchanger, molten
Agent liquid pump and multi-pipeline evaporator, compressor are connected by compressor air-discharging pipeline with the tube side in shell and tube heat exchanger,
Form first circulation circuit；The shell side of shell and tube heat exchanger passes through defrosting pipeline in accumulation of heat solvent pipe and multi-pipeline evaporator
It is connected, forms second circulation circuit, and solvent liquid pump is installed in accumulation of heat solvent pipe；Melting in multi-pipeline evaporator
The inlet and outlet of white pipeline install temperature temperature measuring equipment, and the refrigerant line in multi-pipeline evaporator is under normal cooling operation mode
Flow refrigerant；Solvent liquid pump and temperature measuring equipment are connected by signal transmitting device with controller.
2. freezer compressor Waste Heat Recovery as described in claim 1 and defrosting device, characterized in that the compressor is low temperature
Freezer compressor.
3. freezer compressor Waste Heat Recovery as described in claim 1 and defrosting device, characterized in that the shell-tube type heat exchange
Device is indirect type heat exchanger, and Bottomhole pressure compressor high-temperature exhaust air, interior shell is accumulation of heat solvent.
4. freezer compressor Waste Heat Recovery as claimed in claim 3 and defrosting device, characterized in that the accumulation of heat solvent is second
Glycol solution.
5. freezer compressor Waste Heat Recovery as described in claim 1 and defrosting device, characterized in that the compressor exhaust pipe
Road and accumulation of heat solvent pipe are copper tube.
6. freezer compressor Waste Heat Recovery as described in claim 1 and defrosting device, characterized in that the solvent liquid pump is to become
Frequency liquid pump.
7. freezer compressor Waste Heat Recovery as described in claim 1 and defrosting device, characterized in that the multi-pipeline evaporator
Including the evaporation coil group being juxtaposed in evaporator body and defrosting pipeline, the defrosting pipeline is in coil-like, evaporating pan
Pipe group is made of the seamless steel pipe of fin coiled pipe, and internal flow is refrigerant；Defrosting pipeline is copper tube composition, interior
Portion's flowing is accumulation of heat solvent.
8. freezer compressor Waste Heat Recovery as described in claim 1 and defrosting device, characterized in that the temperature temperature measuring equipment
For K-type thermocouple temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820106080.2U CN207778918U (en) | 2018-01-23 | 2018-01-23 | Freezer compressor waste heat recovery and defrosting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820106080.2U CN207778918U (en) | 2018-01-23 | 2018-01-23 | Freezer compressor waste heat recovery and defrosting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207778918U true CN207778918U (en) | 2018-08-28 |
Family
ID=63214004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820106080.2U Expired - Fee Related CN207778918U (en) | 2018-01-23 | 2018-01-23 | Freezer compressor waste heat recovery and defrosting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207778918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917249A (en) * | 2018-09-05 | 2018-11-30 | 珠海格力电器股份有限公司 | Air conditioner and defrosting device thereof |
| CN111121229A (en) * | 2019-12-18 | 2020-05-08 | 宁波奥克斯电气股份有限公司 | Control method and control device of air conditioner, heat dissipation structure and air conditioner |
-
2018
- 2018-01-23 CN CN201820106080.2U patent/CN207778918U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917249A (en) * | 2018-09-05 | 2018-11-30 | 珠海格力电器股份有限公司 | Air conditioner and defrosting device thereof |
| CN108917249B (en) * | 2018-09-05 | 2023-11-28 | 珠海格力电器股份有限公司 | Air conditioner and defrosting device thereof |
| CN111121229A (en) * | 2019-12-18 | 2020-05-08 | 宁波奥克斯电气股份有限公司 | Control method and control device of air conditioner, heat dissipation structure and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180828 Termination date: 20190123 |