CN205156454U - Freezer heat recovery is towards white system - Google Patents
Freezer heat recovery is towards white system Download PDFInfo
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- CN205156454U CN205156454U CN201520935609.8U CN201520935609U CN205156454U CN 205156454 U CN205156454 U CN 205156454U CN 201520935609 U CN201520935609 U CN 201520935609U CN 205156454 U CN205156454 U CN 205156454U
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- heat
- freezer
- recuperation
- connecting line
- evaporation equipment
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Abstract
The embodiment of the utility model discloses freezer heat recovery is towards white system. This freezer heat recovery is towards white system includes: the heat recovery heat collector, the condensation of absorption refrigeration unit exhaust high temperature refrigerant is exothermic, heat transfer refrigeration plant carries out the heat transfer refrigeration with refrigerating unit, freezer evaporation equipment, freezer evaporation equipment's access connection to heat transfer refrigeration plant, freezer evaporation equipment's export is connected to heat recovery heat collector and heat transfer refrigeration plant respectively, the export of heat recovery heat collector is connected to freezer evaporation equipment through the fourth connecting line, is provided with the 5th control valve on the fourth connecting line. According to the utility model discloses a freezer heat recovery is towards white system can the make full use of condensation send out heat improving energy efficiency.
Description
Technical field
The utility model relates to refrigeration technology field, particularly relates to a kind of freezer recuperation of heat defrosting system.
Background technology
In prior art, directly enter condenser from the high temperature refrigerant of compressor discharge and carry out condensation heat release, heat is directly discharged in air, and the heat for condenser release does not fully utilize, and cause energy dissipation, capacity usage ratio is lower.
Utility model content
The utility model embodiment provides a kind of freezer recuperation of heat defrosting system, can make full use of condensation heat release, improves energy utilization rate.
In order to solve the problem, the utility model embodiment discloses a kind of freezer recuperation of heat defrosting system, comprising: recuperation of heat heat collector, the condensation heat release of the high temperature refrigerant that absorption refrigeration unit is discharged; Heat exchange refrigeration plant, carries out heat exchange refrigeration with refrigeration unit; Freezer evaporation equipment, the import of freezer evaporation equipment is connected to heat exchange refrigeration plant, and the outlet of freezer evaporation equipment is connected to recuperation of heat heat collector and heat exchange refrigeration plant respectively; The outlet of recuperation of heat heat collector is connected to freezer evaporation equipment through the 4th connecting line, the 4th connecting line is provided with the 5th control valve.
Further, be connected by the first connecting line between heat exchange refrigeration plant with freezer evaporation equipment, the first connecting line be provided with the first control valve.
Further, the outlet of freezer evaporation equipment is connected to recuperation of heat heat collector by the second connecting line, second connecting line is provided with the second control valve, the second connecting line is provided with the first hydraulic pump, the first hydraulic pressure delivery side of pump is connected to recuperation of heat heat collector.
Further, the first hydraulic pressure delivery side of pump is connected with the 3rd connecting line, flows to recuperation of heat heat collector after the 3rd connecting line and refrigeration unit heat exchange, the 3rd connecting line is provided with the 3rd control valve.
Further, freezer recuperation of heat defrosting system also comprises constant pressure water tank, and constant pressure water tank is connected to the first connecting line and the 3rd connecting line respectively, is provided with the 4th control valve between constant pressure water tank and the first connecting line.
Further, freezer recuperation of heat defrosting system also comprises the second hydraulic pump, and the second hydraulic pump is in parallel with the first hydraulic pump, and the two ends of the second hydraulic pump are provided with control valve.
The utility model has following beneficial effect:
Freezer recuperation of heat defrosting system of the present utility model, recuperation of heat heat collector carries out heat exchange to the high temperature refrigerant of discharging from compressor, absorb the heat of high temperature refrigerant, and this partial heat is supplied to freezer evaporation equipment, thus when freezer evaporation equipment needs defrost, heat can be passed to freezer evaporation equipment, the delivered heat whether the 5th control valve can control to be absorbed by recuperation of heat heat transmission equipment is to freezer evaporation equipment, thus effectively ensure that the normal refrigeration of freezer evaporation equipment and normally carrying out of defrost, improve the defrost efficiency of freezer evaporation equipment, also improve the utilization ratio of heat.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred embodiment, and is not thought restriction of the present utility model.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 is the structure principle chart of freezer recuperation of heat defrosting system of the present utility model.
Description of reference numerals: 1, refrigeration unit; 2, freezer evaporation equipment; 3, recuperation of heat heat collector; 4, the first connecting line; 5, the first control valve; 6, the second connecting line; 7, the second control valve; 8, the first hydraulic pump; 9, the 3rd connecting line; 10, the 3rd control valve; 11, constant pressure water tank; 12, the 4th control valve; 13, the 4th connecting line; 14, the 5th control valve; 15, cooling tower; 16, coolant pump; 17, water pipe; 18, blowoff line; 19, the second hydraulic pump.
Detailed description of the invention
Hereinafter also describe the utility model in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Shown in Figure 1, the utility model provides a kind of freezer recuperation of heat defrosting system, comprises recuperation of heat heat collector 3, heat exchange refrigeration plant and freezer evaporation equipment 2, and recuperation of heat heat collector 3 is for absorbing the condensation heat release of the high temperature refrigerant of compressor discharge; Heat exchange refrigeration plant and refrigeration unit 1 carry out heat exchange refrigeration; The import of freezer evaporation equipment 2 is connected to heat exchange refrigeration plant, and the outlet of freezer evaporation equipment 2 is connected to recuperation of heat heat collector 3 and heat exchange refrigeration plant respectively; The outlet of recuperation of heat heat collector 3 is connected on freezer evaporation equipment the 2, four connecting line 13 through the 4th connecting line 13 and is provided with the 5th control valve 14.
Freezer recuperation of heat defrosting system of the present utility model, recuperation of heat heat collector 3 carries out heat exchange to the high temperature refrigerant of discharging from compressor, absorb the heat of high temperature refrigerant, and this partial heat is supplied to freezer evaporation equipment 2, thus when freezer evaporation equipment 2 needs defrost, heat can be passed to freezer evaporation equipment 2, the delivered heat whether the 5th control valve 14 can control to be absorbed by recuperation of heat heat transmission equipment 1 is to freezer evaporation equipment 2, thus effectively ensure that the normal refrigeration of freezer evaporation equipment 2 and normally carrying out of defrost, improve the defrost efficiency of freezer evaporation equipment 2, also improve the utilization ratio of heat.
Cold liquid during recuperation of heat heat collector 3 is built-in with, can carry out heat exchange with refrigeration unit 1, by controlling the 5th control valve 14, can realize the evaporative cooling to freezer evaporation equipment 2 and defrosting defrosting.
In addition, because recuperation of heat heat collector 3 absorbs the heat of high temperature refrigerant, the temperature of the cold-producing medium entering condenser can be reduced, thus improve condensation efficiency and the condensation effect of condenser, improve the service behaviour of air-conditioning.
The outlet of freezer evaporation equipment 2 is connected to recuperation of heat heat collector 3 by the second connecting line 6, second connecting line 6 is provided with the second control valve 7, the outlet second connecting line 6 being provided with the first hydraulic pump 8, first hydraulic pump 8 is connected to recuperation of heat heat collector 3.First hydraulic pump 8 can provide power for the flowing of heat transferring medium, make heat transferring medium successfully can flow to freezer evaporation equipment 2 through recuperation of heat heat transmission equipment 1 and carry out heat exchange, then flow out from freezer evaporation equipment 2, and finally enter in recuperation of heat heat collector 3 carry out collection process.
It is in parallel with the first hydraulic pump 8 that freezer recuperation of heat defrosting system also comprises the second hydraulic pump 19, second hydraulic pump 19, and the two ends of the second hydraulic pump 19 are provided with control valve.Second hydraulic pump 19 is in parallel with the first hydraulic pump 8, can make to flow through cold liquid in freezer evaporation equipment 2 and flow to different positions respectively according to the difference of work, such as be in make under normal sweat cooling state in cold liquid after the second hydraulic pump 19, flow through refrigeration unit 1 carry out heat exchange cooling, then continue to flow to freezer and carry out evaporative cooling.When being in defrosting defrosting state, returning recuperation of heat heat collector 3 through the first hydraulic pump 8 after cold liquid in recuperation of heat heat collector 3 can be made to lower the temperature to freezer and carrying out heat absorption intensification, the defrosting defrosting efficiency of cold liquid in can improving.
The outlet of the first hydraulic pump 8 flows on recuperation of heat heat collector the 3, three connecting line 9 after being connected with the 3rd connecting line the 9, three connecting line 9 and recuperation of heat heat transmission equipment 1 heat exchange and is provided with the 3rd control valve 10.
Freezer recuperation of heat defrosting system also comprises constant pressure water tank 11, and constant pressure water tank 11 is connected to the first connecting line 4 and the 3rd connecting line 9 respectively, is provided with the 4th control valve 12 between constant pressure water tank 11 and the first connecting line 4.Constant pressure water tank 11 can provide stable hydraulic pressure for freezer recuperation of heat defrosting system, and in time for freezer recuperation of heat defrosting system supplements sufficient heat-exchanging water, ensures the reliable and stable operation of freezer recuperation of heat defrosting system.
The outlet of recuperation of heat heat collector 3 is connected on freezer evaporation equipment the 2, four connecting line 13 through the 4th connecting line 13 and is provided with the 5th control valve 14.Recuperation of heat heat collector 3 can play the effect of cold liquid in storage herein, when without the need to carrying out heat exchange defrost to freezer evaporation equipment 2, heat transferring medium can be stored in recuperation of heat heat collector 3, and remain in the temperature of the heat transferring medium in recuperation of heat heat collector 3, when needs carry out heat exchange defrost to freezer evaporation equipment 2, also can open the 5th control valve 14, make heat transferring medium directly flow to freezer evaporation equipment 2 through recuperation of heat heat collector 3 place and carry out defrost.
Freezer recuperation of heat defrosting system also comprises cooling tower 15, cooling tower 15 is connected to recuperation of heat heat collector 3, and by delivered heat to recuperation of heat heat collector 3, thus can by the heat collection of cooling tower 15 heat exchange to recuperation of heat heat collector 3, the heat recovery efficiency of further raising recuperation of heat heat collector 3, improves energy utilization rate.
Coolant pump 16 is provided with between cooling tower 15 and refrigeration unit 1, power can be provided for the heat transferring medium flowing in cooling tower 15, make cooling tower 15 can the heat of absorption refrigeration unit 1 inner refrigerant smoothly, and be passed to recuperation of heat heat collector 3, the heat recovery efficiency of recuperation of heat heat collector 3 can be improved.
In freezer recuperation of heat defrosting system work process, flow into cold liquid in recuperation of heat heat collector 3 and can absorb heat by recuperation of heat heat collector 3 at cooling tower 15 place, cold liquid in recuperation of heat heat collector 3 is heated, cold-producing medium in cooling tower is lowered the temperature simultaneously, more effectively can utilize condensation heat release fully, improve capacity usage ratio further.
Cooling tower 15 is provided with water pipe 17, moisturizing can be carried out to cooling tower 15.
Cooling tower 15 is provided with blowoff line 18, the foreign material at cooling tower 15 place can be discharged in time.
Freezer recuperation of heat defrosting system of the present utility model, first the high temperature refrigerant of discharging from compressor enters heat regenerator, in recuperation of heat, cold liquid enters heat regenerator by heat recovery cycle water pump, the heat that the cold-producing medium absorbing HTHP discharges, add and hanker cold liquid to 10-25 degree (also can produce 45-60 DEG C of life or technique hot water), be dispensed to the equipment such as comb or air-cooler in each storehouse through pump and the conveying of regulation station each valve and carry out defrosting.Condensing units not only solves freezer defrosting and provides hot water, and improves the condensation efficiency of refrigeration unit, improves unit operation operating mode, significantly reduces unit operation expense.This heat recovery system energy-saving effect highly significant, and the heat provided is completely free.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (6)
1. a freezer recuperation of heat defrosting system, is characterized in that, comprising:
Recuperation of heat heat collector (3), the condensation heat release of the high temperature refrigerant that absorption refrigeration unit (1) is discharged;
Heat exchange refrigeration plant, carries out heat exchange refrigeration with described refrigeration unit (1);
Freezer evaporation equipment (2), the import of described freezer evaporation equipment (2) is connected to described heat exchange refrigeration plant, and the outlet of described freezer evaporation equipment (2) is connected to recuperation of heat heat collector (3) and described heat exchange refrigeration plant respectively;
The outlet of described recuperation of heat heat collector (3) is connected to described freezer evaporation equipment (2) through the 4th connecting line (13), and described 4th connecting line (13) is provided with the 5th control valve (14).
2. freezer recuperation of heat defrosting system according to claim 1, it is characterized in that, be connected by the first connecting line (4) between described heat exchange refrigeration plant with described freezer evaporation equipment (2), described first connecting line (4) is provided with the first control valve (5).
3. freezer recuperation of heat defrosting system according to claim 2, it is characterized in that, the outlet of described freezer evaporation equipment (2) is connected to described recuperation of heat heat collector (3) by the second connecting line (6), described second connecting line (6) is provided with the second control valve (7), described second connecting line (6) is provided with the first hydraulic pump (8), and the outlet of described first hydraulic pump (8) is connected to described recuperation of heat heat collector (3).
4. freezer recuperation of heat defrosting system according to claim 3, it is characterized in that, the outlet of described first hydraulic pump (8) is connected with the 3rd connecting line (9), flow to described recuperation of heat heat collector (3) after described 3rd connecting line (9) and described refrigeration unit (1) heat exchange, described 3rd connecting line (9) is provided with the 3rd control valve (10).
5. freezer recuperation of heat defrosting system according to claim 4, it is characterized in that, described freezer recuperation of heat defrosting system also comprises constant pressure water tank (11), described constant pressure water tank (11) is connected to described first connecting line (4) and described 3rd connecting line (9) respectively, is provided with the 4th control valve (12) between described constant pressure water tank (11) and described first connecting line (4).
6. freezer recuperation of heat defrosting system according to claim 3, it is characterized in that, described freezer recuperation of heat defrosting system also comprises the second hydraulic pump (19), described second hydraulic pump (19) is in parallel with described first hydraulic pump (8), and the two ends of described second hydraulic pump (19) are provided with control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520935609.8U CN205156454U (en) | 2015-11-20 | 2015-11-20 | Freezer heat recovery is towards white system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520935609.8U CN205156454U (en) | 2015-11-20 | 2015-11-20 | Freezer heat recovery is towards white system |
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| Publication Number | Publication Date |
|---|---|
| CN205156454U true CN205156454U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520935609.8U Expired - Fee Related CN205156454U (en) | 2015-11-20 | 2015-11-20 | Freezer heat recovery is towards white system |
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| Country | Link |
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| CN (1) | CN205156454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799837A (en) * | 2018-06-04 | 2018-11-13 | 北京中冷高科制冷设备有限公司 | A kind of remodeling method of liquefied ammonia refrigeration freezer |
-
2015
- 2015-11-20 CN CN201520935609.8U patent/CN205156454U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799837A (en) * | 2018-06-04 | 2018-11-13 | 北京中冷高科制冷设备有限公司 | A kind of remodeling method of liquefied ammonia refrigeration freezer |
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| Date | Code | Title | Description |
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| 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: 20160413 Termination date: 20201120 |