CN104964472A - Refrigeration system used for producing refrigerants - Google Patents
Refrigeration system used for producing refrigerants Download PDFInfo
- Publication number
- CN104964472A CN104964472A CN201510306366.6A CN201510306366A CN104964472A CN 104964472 A CN104964472 A CN 104964472A CN 201510306366 A CN201510306366 A CN 201510306366A CN 104964472 A CN104964472 A CN 104964472A
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- CN
- China
- Prior art keywords
- salt solution
- refrigerant
- refrigeration system
- heat exchanger
- saline water
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
- F25B1/047—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B6/00—Compression machines, plants or systems, with several condenser circuits
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a refrigeration system used for producing refrigerants. The refrigeration system used for producing refrigerants comprises a screw compressor, a vapor and liquid separator, a brine evaporator, a heat exchanger, an evaporation condenser, a user, a brine circulation pump and a liquid refrigerant groove. The screw compressor comprises an oil and gas separator, an economizer and a cooler. The brine evaporator and the user are both connected with the input of the brine circulation pump. The output of the vapor and liquid separator is connected with the input of the oil and gas separator. The output of the oil and gas separator is connected with the evaporation condenser and the liquid refrigerant groove sequentially. The output of the liquid refrigerant groove is connected with the economizer and the cooler. The output of the economizer is connected with the input of the brine evaporator and the heat exchanger. The user is composed of at least one heat exchanger. The refrigeration system used for producing refrigerants has the beneficial effects that the latent evaporation heat of the screw compressor and refrigerants is fully used; the cooling capacity is reasonably distributed according to different work conditions; by further using the cooling capacity of refrigerants, producing refrigerants of different temperature grades and the like, the efficiency of the compressor is improved, and the production process is simplified.
Description
Technical field
The present invention relates to a kind of refrigeration system, especially a kind of refrigeration system for the production of refrigerant.
Background technology
At present, domestic existing refrigeration system, mainly utilizes compressor to compress refrigerant, is transported to evaporimeter and recycles.In actual motion, set of device needs the refrigerant of various temperature step, Some Enterprises adopts low temperature refrigerant to replace the mode of high temperature refrigerant, and a kind of temperature step refrigerant needs separately a set of refrigeration system, can not be for subsequent use each other between each system, this kind of mode not only causes flow process complicated, operation easier is large, and equipment investment is comparatively large, and height also causes the significant wastage of energy low generation simultaneously.
Summary of the invention
The object of the invention is, for overcoming above-mentioned the deficiencies in the prior art, to provide a kind of refrigeration system for the production of refrigerant.
For achieving the above object, the present invention adopts following technical proposals:
For the production of a refrigeration system for refrigerant, comprise helical-lobe compressor, vapour liquid separator, saline water evaporator, heat exchanger, evaporative condenser, user and salt water circulating pump and liquid refrigerants storage tank; Described helical-lobe compressor comprises gs-oil separator, economizer and cooler;
Saline water evaporator with being connected with vapour liquid separator input per family, vapour liquid separator exports and is connected with gs-oil separator input, gs-oil separator exports and is connected with evaporative condenser, liquid refrigerants storage tank successively, liquid refrigerants storage tank exports and is connected respectively with economizer and cooler, and economizer exports and is connected with saline water evaporator and heat exchanger input respectively;
Saline water evaporator and user export gaseous coolant to vapour liquid separator, gaseous coolant is delivered to helical-lobe compressor by vapour liquid separator, helical-lobe compressor compresses air cooling matchmaker and is delivered to gs-oil separator, gs-oil separator is separated entrained oil fat in the high-pressure gaseous refrigerant of overcompression, and isolated high-pressure gaseous refrigerant is delivered to evaporative condenser, evaporative condenser utilizes that desalted water is lowered the temperature to the gaseous coolant in tube side, condensation, and dispensing liquid refrigerant is to liquid refrigerants storage tank;
Liquid refrigerants storage tank stores the liquid refrigerants received, and exports as two-way, and a road is to economizer, economizer receives the liquid refrigerants that liquid refrigerants storage tank exports, export liquid refrigerants to saline water evaporator and user through conveying equipment, export gaseous coolant, recycle; Another road is to cooler, and cooler is used for lowering the temperature to helical-lobe compressor machine oil, and the refrigerant after chiller treatment is delivered to liquid refrigerants storage tank.
User, is made up of at least one heat exchanger.
In liquid refrigerants cyclic process, the fluid that heat exchanger carries out heat exchange has two kinds, a kind of refrigeration system for the production of refrigerant is at Bottomhole pressure, for tube side fluid, the another kind of refrigeration system for the production of refrigerant is in the outer flowing of pipe, for shell-side fluid, refrigerant is as the shell-side fluid of heat exchanger fluid, and salt solution is as the tube side fluid of heat exchanger fluid.
User in saline flow system is salt solution user, salt solution user comprises 5 DEG C of salt solution users ,-15 DEG C of salt solution users and-30 DEG C of salt solution users, 5 DEG C of salt solution users ,-15 DEG C of salt solution users and-30 DEG C of salt solution are connected with saline water evaporator per family, salt water circulating pump is connected with 5 DEG C of salt solution users ,-15 DEG C of salt solution users and-30 DEG C of salt solution users, salt water circulating pump is connected with saline water evaporator, for providing kinetic energy for chilled brine recycles.
Saline water evaporator utilizes refrigerant self evaporation latent heat to salt water for cooling, exports chilled brine.
Preferably, helical-lobe compressor unit totally 5, is made up of 2 double-machine two-stage SCREW COMPRESSOR and 3 unit Singe stage screw compressor groups, utilizes monochlorodifluoromethane to lower the temperature.Evaporative condenser comprises 5 DEG C of evaporative condensers ,-15 DEG C of evaporative condensers and-30 DEG C of evaporative condensers.Described saline water evaporator comprises 5 DEG C of saline water evaporators ,-15 DEG C of saline water evaporators and-30 DEG C of saline water evaporators.
Preferably, evaporative condenser, is made up of tubular heat exchanger.
The invention has the beneficial effects as follows:
1. this invents the evaporation latent heat that will make full use of helical-lobe compressor and refrigerant, according to different operating mode reasonable layout cold, by utilizing the cold of refrigerant further, and the refrigerant etc. of production various temperature step.
2. improve the efficiency of compressor, not only simplify production procedure, the investment of lower equipment, and meet the demand to refrigerant under different operating mode.
3. different temperatures topic note refrigerant is integrated in set of system and produces by the present invention, and flow process simplifies relative to prior art, and operation easier is less.
Accompanying drawing explanation
Fig. 1 is the structural representation of coolant refrigeration system;
Fig. 2 is salt solution schematic flow sheet.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, a kind of refrigeration system for the production of refrigerant, comprises helical-lobe compressor, vapour liquid separator, saline water evaporator, heat exchanger, evaporative condenser, user and salt water circulating pump and liquid refrigerants storage tank; Described helical-lobe compressor comprises gs-oil separator, economizer and cooler;
Saline water evaporator with being connected with vapour liquid separator input per family, vapour liquid separator exports and is connected with gs-oil separator input, gs-oil separator exports and is connected with evaporative condenser, liquid refrigerants storage tank successively, liquid refrigerants storage tank exports and is connected respectively with economizer and cooler, and economizer exports and is connected with saline water evaporator and heat exchanger input respectively;
User, is made up of at least one heat exchanger.
In liquid refrigerants cyclic process, the fluid that heat exchanger carries out heat exchange has two kinds, a kind of refrigeration system for the production of refrigerant is at Bottomhole pressure, for tube side fluid, the another kind of refrigeration system for the production of refrigerant is in the outer flowing of pipe, for shell-side fluid, refrigerant is as the shell-side fluid of heat exchanger fluid, and salt solution is as the tube side fluid of heat exchanger fluid.
Salt solution user comprises 5 DEG C of salt solution users ,-15 DEG C of salt solution users and-30 DEG C of salt solution users, 5 DEG C of salt solution users ,-15 DEG C of salt solution users and-30 DEG C of salt solution are connected with saline water evaporator per family, salt water circulating pump is connected with 5 DEG C of salt solution users ,-15 DEG C of salt solution users and-30 DEG C of salt solution users, salt water circulating pump is connected with saline water evaporator, for providing kinetic energy for chilled brine recycles.
Saline water evaporator utilizes refrigerant self evaporation latent heat to salt water for cooling, exports chilled brine.
Preferably, helical-lobe compressor unit totally 5, is made up of 2 double-machine two-stage SCREW COMPRESSOR and 3 unit Singe stage screw compressor groups, utilizes monochlorodifluoromethane to lower the temperature.Evaporative condenser comprises 5 DEG C of evaporative condensers ,-15 DEG C of evaporative condensers and-30 DEG C of evaporative condensers.Described saline water evaporator comprises 5 DEG C of saline water evaporators ,-15 DEG C of saline water evaporators and-30 DEG C of saline water evaporators.
Preferably, evaporative condenser, is made up of tubular heat exchanger.
The course of work is as follows:
Saline water evaporator and user export gaseous coolant to vapour liquid separator, gaseous coolant is delivered to helical-lobe compressor by vapour liquid separator, helical-lobe compressor compresses air cooling matchmaker and is delivered to gs-oil separator, gs-oil separator is separated entrained oil fat in the high-pressure gaseous refrigerant of overcompression, and isolated high-pressure gaseous refrigerant is delivered to evaporative condenser, evaporative condenser utilizes that desalted water is lowered the temperature to the gaseous coolant in tube side, condensation, and dispensing liquid refrigerant is to liquid refrigerants storage tank;
Liquid refrigerants storage tank stores the liquid refrigerants received, and exports as two-way, and a road is to economizer, economizer receives the liquid refrigerants that liquid refrigerants storage tank exports, export liquid refrigerants to saline water evaporator and user through conveying equipment, export gaseous coolant, recycle; Another road is to cooler, and cooler is used for lowering the temperature to helical-lobe compressor machine oil, and the refrigerant after chiller treatment is delivered to liquid refrigerants storage tank.
Saline water evaporator utilizes refrigerant self evaporation latent heat to salt water for cooling, export chilled brine to 5 DEG C salt solution user ,-15 DEG C of salt solution users and-30 DEG C of salt solution users, through user, heat exchange is carried out to salt solution and be delivered to salt water circulating pump, salt water circulating pump input saline water evaporator, achieves recycling of salt solution.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (5)
1. for the production of a refrigeration system for refrigerant, it is characterized in that, comprise helical-lobe compressor, vapour liquid separator, saline water evaporator, heat exchanger, evaporative condenser, user and salt water circulating pump and liquid refrigerants storage tank; Described helical-lobe compressor comprises gs-oil separator, economizer and cooler;
Saline water evaporator with being connected with vapour liquid separator input per family, vapour liquid separator exports and is connected with gs-oil separator input, gs-oil separator exports and is connected with evaporative condenser, liquid refrigerants storage tank successively, liquid refrigerants storage tank exports and is connected respectively with economizer and cooler, and economizer exports and is connected with saline water evaporator and heat exchanger input respectively;
Described user, is made up of at least one heat exchanger;
Salt solution user comprises 5 DEG C of salt solution users ,-15 DEG C of salt solution users and-30 DEG C of salt solution users, 5 DEG C of salt solution users ,-15 DEG C of salt solution users and-30 DEG C of salt solution are connected with saline water evaporator per family, salt water circulating pump is connected with 5 DEG C of salt solution users ,-15 DEG C of salt solution users and-30 DEG C of salt solution users, salt water circulating pump is connected with saline water evaporator, for providing kinetic energy for chilled brine recycles;
Saline water evaporator utilizes refrigerant self evaporation latent heat to salt water for cooling, exports chilled brine.
2. as claimed in claim 1 for the production of the refrigeration system of refrigerant, it is characterized in that, evaporative condenser comprises 5 DEG C of evaporative condensers ,-15 DEG C of evaporative condensers and-30 DEG C of evaporative condensers.
3., as claimed in claim 1 or 2 for the production of the refrigeration system of refrigerant, it is characterized in that totally 5, helical-lobe compressor machine is made up of 2 double-machine two-stage helical-lobe compressors and 3 unit Singe stage screw compressors.
4., as claimed in claim 1 or 2 for the production of the refrigeration system of refrigerant, it is characterized in that evaporative condenser is made up of tubular heat exchanger.
5., as claimed in claim 1 or 2 for the production of the refrigeration system of refrigerant, it is characterized in that, described helical-lobe compressor utilizes monochlorodifluoromethane to lower the temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510306366.6A CN104964472A (en) | 2015-06-05 | 2015-06-05 | Refrigeration system used for producing refrigerants |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510306366.6A CN104964472A (en) | 2015-06-05 | 2015-06-05 | Refrigeration system used for producing refrigerants |
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| CN104964472A true CN104964472A (en) | 2015-10-07 |
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| CN201510306366.6A Pending CN104964472A (en) | 2015-06-05 | 2015-06-05 | Refrigeration system used for producing refrigerants |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1157392A (en) * | 1995-12-27 | 1997-08-20 | 万都机械株式会社 | Multiroom airconditioner |
| CN101629767A (en) * | 2009-08-18 | 2010-01-20 | 广州恒星冷冻机械制造有限公司 | Dual-temperature industrial water cooling machine set |
| CN201926227U (en) * | 2010-11-25 | 2011-08-10 | 佛山市中格威电子有限公司 | Shunting compensation control device for multi-connected unit of variable frequency air conditioner |
| CN202267260U (en) * | 2011-09-16 | 2012-06-06 | 大连三洋压缩机有限公司 | Screw compressor refrigerating system |
| CN103383121A (en) * | 2012-05-03 | 2013-11-06 | 南京市建筑设计研究院有限责任公司 | District air-conditioner distributed secondary pump system |
| EP2752627A1 (en) * | 2011-09-01 | 2014-07-09 | Daikin Industries, Ltd. | Refrigeration device |
| CN104089347A (en) * | 2014-06-24 | 2014-10-08 | 广东申菱空调设备有限公司 | Low-temperature air-cooled water chiller unit and control method thereof |
-
2015
- 2015-06-05 CN CN201510306366.6A patent/CN104964472A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1157392A (en) * | 1995-12-27 | 1997-08-20 | 万都机械株式会社 | Multiroom airconditioner |
| CN101629767A (en) * | 2009-08-18 | 2010-01-20 | 广州恒星冷冻机械制造有限公司 | Dual-temperature industrial water cooling machine set |
| CN201926227U (en) * | 2010-11-25 | 2011-08-10 | 佛山市中格威电子有限公司 | Shunting compensation control device for multi-connected unit of variable frequency air conditioner |
| EP2752627A1 (en) * | 2011-09-01 | 2014-07-09 | Daikin Industries, Ltd. | Refrigeration device |
| CN202267260U (en) * | 2011-09-16 | 2012-06-06 | 大连三洋压缩机有限公司 | Screw compressor refrigerating system |
| CN103383121A (en) * | 2012-05-03 | 2013-11-06 | 南京市建筑设计研究院有限责任公司 | District air-conditioner distributed secondary pump system |
| CN104089347A (en) * | 2014-06-24 | 2014-10-08 | 广东申菱空调设备有限公司 | Low-temperature air-cooled water chiller unit and control method thereof |
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| PB01 | Publication | ||
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Application publication date: 20151007 |