CN205119543U - Cold storage refrigeration system - Google Patents
Cold storage refrigeration system Download PDFInfo
- Publication number
- CN205119543U CN205119543U CN201520934345.4U CN201520934345U CN205119543U CN 205119543 U CN205119543 U CN 205119543U CN 201520934345 U CN201520934345 U CN 201520934345U CN 205119543 U CN205119543 U CN 205119543U
- Authority
- CN
- China
- Prior art keywords
- cold storage
- heat exchanger
- ammonia
- storehouse
- refrigerating system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The embodiment of the utility model discloses cold storage refrigeration system. This cold storage refrigeration system includes: ammonia refrigeration device (1), ammonia refrigeration device (1) is including first heat exchanger (2), between the storehouse refrigerating plant (3), with ammonia refrigerating plant (1) mutual independence, refrigerating plant (3) include second heat exchanger (4) of carrying out the heat transfer with first heat exchanger (2) between the storehouse. According to the utility model discloses a cold storage refrigeration system can improve ammonia and as the security of refrigerant, reduce the harm that takes place the leakage accident.
Description
Technical field
The utility model relates to refrigeration technology field, particularly relates to a kind of cold storage refrigerating system.
Background technology
Ammonia refrigerant synthesis technique is ripe, produces easily, cheap.The moderate pressure of ammonia refrigerant in condenser and evaporimeter (condensing pressure is generally 0.981MPa, and evaporating pressure is generally 0.098-0.49MPa); Refrigerating effect per unit swept volume is large compared with CFC-12, HCFC-22; Coefficient of refrigerating performance is high, and exothermic coefficient is large, and when identical temperature and identical refrigerating capacity, ammonia compressor size is minimum.
In current freezer ammonia cold storage refrigerating system, general ammonia carries out cooling refrigeration as cold-producing medium to freezer.With ammonia as cold-producing medium, due to the inflammability of ammonia and toxic, once there is NH_3 leakage, just easily cause serious security incident.
Utility model content
The utility model embodiment provides a kind of cold storage refrigerating system, can improve the security of ammonia as cold-producing medium, reduces the harm that leakage accident occurs.
In order to solve the problem, the utility model embodiment discloses a kind of cold storage refrigerating system, comprising: ammonia refrigerating installation, and ammonia refrigerating installation comprises First Heat Exchanger; Refrigerating plant between storehouse, separate with ammonia refrigerating installation, between storehouse, refrigerating plant comprises the second heat exchanger carrying out heat exchange with First Heat Exchanger.
Further, ammonia refrigerating installation also comprises compressor, condenser, throttling arrangement and gas-liquid separator, and First Heat Exchanger is arranged between throttling arrangement and gas-liquid separator.
Further, also oil eliminator is provided with between compressor and condenser.
Further, ammonia liquid reservoir is provided with between condenser and throttling arrangement.
Further, connected by plate type heat exchanger heat exchange between First Heat Exchanger and the second heat exchanger.
Further, between storehouse, refrigerating plant also comprises evaporimeter between hydraulic pump and storehouse.
Further, compressor is single machine compression with double stage machine.
Further, cold storage refrigerating system also comprises the defrosting device to evaporimeter defrosting between storehouse.
Further, defrosting device comprises the auxiliary hot defrosting device of electricity, and the auxiliary hot defrosting device of electricity is arranged on the second heat exchanger place.
The utility model has following beneficial effect:
Cold storage refrigerating system of the present utility model, refrigeration source and refrigeration end are divided into two separate parts, make to adopt ammonia to remain in machine room as the refrigeration source of cold-producing medium, thus at utmost low decreasing uses ammonia amount, reduce harm when ammonia generation is leaked, and cold storage refrigerating system is become insignificant dangerous matter sources from the major hazard source of original ammonia refrigeration, improve the security of cold storage refrigerating system.
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 cold storage refrigerating system of the present utility model.
Description of reference numerals: 1, ammonia refrigerating installation; 2, First Heat Exchanger; 3, refrigerating plant between storehouse; 4, the second heat exchanger; 5, compressor; 6, condenser; 7, throttling arrangement; 8, gas-liquid separator; 9, oil eliminator; 10, ammonia liquid reservoir; 11, hydraulic pump; 12, evaporimeter between storehouse.
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 cold storage refrigerating system, and this cold storage refrigerating system comprises refrigerating plant 3 between ammonia refrigerating installation 1 and storehouse, and ammonia refrigerating installation 1 comprises First Heat Exchanger 2; Between storehouse, refrigerating plant 3 is separate with ammonia refrigerating installation 1, and between storehouse, refrigerating plant 3 comprises the second heat exchanger 4 carrying out heat exchange with First Heat Exchanger 2.
Cold storage refrigerating system of the present utility model, refrigerating plant 3 between the ammonia refrigerating installation 1 as refrigeration source and the storehouse as refrigeration end is divided into two separate parts, make to adopt ammonia to remain in machine room as the refrigeration source of cold-producing medium, thus at utmost low decreasing uses ammonia amount, reduce harm when ammonia generation is leaked, and cold storage refrigerating system is become insignificant dangerous matter sources from the major hazard source of original ammonia refrigeration, improve the security of cold storage refrigerating system.
In this cold storage refrigerating system, only need refrigerating plant 3 between ammonia refrigerating installation 1 and storehouse independent, and carry out heat exchange by First Heat Exchanger 2 and the second heat exchanger 4, for with other structures in ammonia cold storage refrigerating system, without the need to making great change, therefore can make full use of and just have unit and equipment, greatly reduce engineered cost.
In addition, because between ammonia refrigerating installation 1 and storehouse, refrigerating plant 3 is separate, when ammonia refrigerating installation 1 breaks down, do not need to stop production or fall storehouse yet, owner or trade company's risk and loss can be reduced.
Ammonia refrigerating installation 1 also comprises compressor 5, condenser 6, throttling arrangement 7 and gas-liquid separator 8, and First Heat Exchanger 2 is arranged between throttling arrangement 7 and gas-liquid separator 8.Throttling arrangement 7 can be the structure that choke valve etc. has throttling performance.
Also be provided with oil eliminator 9 between compressor 5 and condenser 6, the lubricating oil flowed out can be separated, ensure the lubricant effect to each parts of cold storage refrigerating system from compressor 5.
Be provided with ammonia liquid reservoir 10 between condenser 6 and throttling arrangement 7, can ensure that having enough ammonia in the circulatory system of ammonia refrigerating installation 1 all the time participates in cooling heat exchange, ensures the refrigeration of ammonia refrigerating installation 1 and the stability of service behaviour.
Connected by plate type heat exchanger heat exchange between First Heat Exchanger 2 and the second heat exchanger 4.It is high that plate type heat exchanger has heat exchange efficiency, and heat exchange amount is large, compact conformation, the advantages such as volume is little, and flexibly, disassembly, cleaning are convenient, and effectively can avoid the mixing of two media in assembling, improve safety and reliability during cold storage refrigerating system work.Certainly, be also fine with the heat exchange that other heat exchanger realizes between First Heat Exchanger 2 and the second heat exchanger 4.
Between storehouse, refrigerating plant 3 also comprises evaporimeter 12 between hydraulic pump 11 and storehouse.Hydraulic pump 11 can provide enough power for the refrigerant flowing in refrigerating plant between storehouse 3, the refrigerant after the second heat exchanger 4 heat exchange can be entered between storehouse smoothly and freeze to freezer in evaporimeter 12.
Compressor 5 is single machine compression with double stage machine.
Cold storage refrigerating system also comprises the defrosting device to evaporimeter between storehouse 12 defrosting.Preferably, defrosting device comprises the auxiliary hot defrosting device of electricity, and the auxiliary hot defrosting device of electricity is arranged on the second heat exchanger 4 place.Electricity auxiliary hot defrosting or utilize existing thermal source by plate type heat exchanger and the second heat exchanger 4 heat exchange, refrigerant is heated to 10-25 DEG C, and the comb that then refrigerant is pumped to evaporimeter 12 between storehouse by hydraulic pump 11 carries out defrosting.
In the process of cold storage refrigerating system work, after ammonia flows out from compressor 5, through condenser condenses heat exchange, then through throttling arrangement 7 throttling, carry out heat absorption evaporation at First Heat Exchanger 2 place.In the process that First Heat Exchanger 2 absorbs heat, the heat of the second heat exchanger 4 transfers to First Heat Exchanger 2 place by plate type heat exchanger, thus lowers the temperature to the refrigerant being positioned at the second heat exchanger 4.Pass through the refrigerant of cooling in second heat exchanger 4 under the pump action of hydraulic pump 11, be delivered to evaporimeter 12 place between storehouse, after absorbing and cooling temperature is carried out to freezer, circulate to the second heat exchanger 4 place, thus keep cold storage refrigerating system to the refrigeration of freezer.
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 (9)
1. a cold storage refrigerating system, is characterized in that, comprising:
Ammonia refrigerating installation (1), described ammonia refrigerating installation (1) comprises First Heat Exchanger (2);
Refrigerating plant (3) between storehouse, separate with described ammonia refrigerating installation (1), between described storehouse, refrigerating plant (3) comprises the second heat exchanger (4) carrying out heat exchange with described First Heat Exchanger (2).
2. cold storage refrigerating system according to claim 1, it is characterized in that, described ammonia refrigerating installation (1) also comprises compressor (5), condenser (6), throttling arrangement (7) and gas-liquid separator (8), and described First Heat Exchanger (2) is arranged between described throttling arrangement (7) and described gas-liquid separator (8).
3. cold storage refrigerating system according to claim 2, is characterized in that, is also provided with oil eliminator (9) between described compressor (5) and described condenser (6).
4. cold storage refrigerating system according to claim 2, is characterized in that, is provided with ammonia liquid reservoir (10) between described condenser (6) and described throttling arrangement (7).
5. cold storage refrigerating system according to claim 1, is characterized in that, is connected between described First Heat Exchanger (2) and described second heat exchanger (4) by plate type heat exchanger heat exchange.
6. cold storage refrigerating system according to claim 1, is characterized in that, between described storehouse, refrigerating plant (3) also comprises evaporimeter (12) between hydraulic pump (11) and storehouse.
7. cold storage refrigerating system according to claim 2, is characterized in that, described compressor (5) is single machine compression with double stage machine.
8. cold storage refrigerating system according to claim 6, is characterized in that, described cold storage refrigerating system also comprises the defrosting device to evaporimeter (12) defrosting between described storehouse.
9. cold storage refrigerating system according to claim 8, is characterized in that, described defrosting device comprises the auxiliary hot defrosting device of electricity, and the auxiliary hot defrosting device of described electricity is arranged on described second heat exchanger (4) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520934345.4U CN205119543U (en) | 2015-11-20 | 2015-11-20 | Cold storage refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520934345.4U CN205119543U (en) | 2015-11-20 | 2015-11-20 | Cold storage refrigeration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205119543U true CN205119543U (en) | 2016-03-30 |
Family
ID=55575149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520934345.4U Expired - Fee Related CN205119543U (en) | 2015-11-20 | 2015-11-20 | Cold storage refrigeration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205119543U (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 CN201520934345.4U patent/CN205119543U/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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203848433U (en) | Heat pipe and heat pump dual-mode air conditioner with evaporative condenser | |
| CN103307683B (en) | A kind of heat pipe air conditioner all-in-one | |
| CN104236164B (en) | Ultra-high temperature cascade water source heat pump system | |
| CN107521698A (en) | A kind of environmental control system heat refrigeration apparatus | |
| CN204345839U (en) | A kind of heat source tower heat pump regeneration of waste liquor and cooling apparatus realizing open and close type circulation | |
| CN104315739A (en) | Liquid cooling machine with double condensation and double heat dissipation | |
| CN205119544U (en) | Cold storage refrigeration system | |
| CN104390300A (en) | Heat source tower heat pump solution regeneration device achieving cooling in summer and solution regeneration in winter | |
| CN204665734U (en) | The cooling-water machine of different leaving water temperature is provided simultaneously | |
| CN204202062U (en) | With the water-cooled cooling water air conditioner unit of ice-reserving function | |
| CN205119543U (en) | Cold storage refrigeration system | |
| CN101592416B (en) | Cooling and heating system with cooling-heating source complementing loop | |
| CN205383811U (en) | Cooling systems | |
| CN203533948U (en) | Compound type evaporative type cooling device having natural cooling function and used for large-scale device | |
| CN105546877A (en) | Gravitational field low-grade heat source conversion device and method | |
| CN204438359U (en) | Air-conditioner outdoor unit | |
| CN204176953U (en) | There is the cold liquid machine of the two heat radiation of two condensation | |
| CN103557622A (en) | Twin screw type water source heat pump unit | |
| CN104005783A (en) | Pneumatic refrigeration device and method for mine | |
| CN209355535U (en) | A kind of refrigerating type low-temperature circulating device | |
| CN105783331A (en) | Heat efficient recovery device for air source water chilling unit | |
| CN205351868U (en) | Cold storage refrigeration system | |
| CN213208266U (en) | Low-temperature trans-critical CO2Parallel refrigerating unit | |
| CN204730369U (en) | Air-conditioning system | |
| CN205156454U (en) | Freezer heat recovery is towards white system |
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 |
Granted publication date: 20160330 Termination date: 20201120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |