CN209655612U - A kind of low temperature refrigerant system for tetrafluoroethene production - Google Patents
A kind of low temperature refrigerant system for tetrafluoroethene production Download PDFInfo
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- CN209655612U CN209655612U CN201822044982.0U CN201822044982U CN209655612U CN 209655612 U CN209655612 U CN 209655612U CN 201822044982 U CN201822044982 U CN 201822044982U CN 209655612 U CN209655612 U CN 209655612U
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- evaporator
- heat exchanger
- refrigerant
- circulating pump
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Abstract
The utility model relates to a kind of low temperature refrigerant systems for tetrafluoroethene production, including the refrigerating medium circulatory system and refrigerant compression systems, the refrigerating medium circulatory system includes evaporator, heat exchanger, circulating pump, feed supplement slot and expansion slot, the evaporator respectively with heat exchanger, expansion slot is connected to circulating pump, expansion slot is connected to feed supplement slot, feed supplement slot and heat exchanger are connected to circulating pump respectively, refrigerating medium is in evaporator, circulation is formed between heat exchanger and circulating pump, refrigerant compression systems include refrigerant condenser and evaporator, evaporator is connected to refrigerant condenser, refrigerant forms circulation between evaporator and refrigerant condenser.A kind of low temperature refrigerant system for tetrafluoroethene production of the utility model can be realized lasting refrigeration, keep system run all right；Meanwhile, it is capable to which heat-exchange system corrosion is effectively relieved, equipment leakage risk is reduced, safety is higher；In addition, system resistance reduces, energy consumption is reduced.
Description
Technical field
The utility model relates to refrigeration technology field, in particular to a kind of low temperature refrigerant system for tetrafluoroethene production
System.
Background technique
The refrigerating medium that the existing low temperature refrigerant system for tetrafluoroethene production is selected is 50% ethylene glycol solution, due to
Ethylene glycol solution easy oxidation by air will lead to the increase of system acidity, the wind for having corrosion heat exchange equipment and leaking after oxidation
Danger；And it is very high to water content requirement in tetrafluoroethene production process, if heat exchanger leakage, ethylene glycol solution enters tetrafluoro
Ethylene system, will lead to the rapid autohemagglutination of tetrafluoroethene, and Fast exothermic eventually results in the generation of the safety accidents such as explosion.50% second
The viscosity of glycol solution is also higher, and circulatory system pressure loss also will increase, and the circulating pump lift of selection also will increase, power consumption
It will increase.Therefore, it is necessary to one kind persistently to keep refrigeration in tetrafluoroethene production, and safety is preferably used for tetrafluoroethene
The low temperature refrigerant system of production.
Utility model content
In order to solve problems in the prior art, providing one kind can continue to freeze the utility model, guarantee tetrafluoroethene
Safety in production in production process, while the lift of refrigerating medium circulating pump can be reduced, using electricity wisely is produced for tetrafluoroethene
Low temperature refrigerant system.
Specific technical solution is as follows: a kind of low temperature refrigerant system for tetrafluoroethene production, including refrigerating medium cyclic system
System and refrigerant compression systems, the refrigerating medium circulatory system include evaporator, heat exchanger, circulating pump, feed supplement slot and expansion slot, described
Evaporator is connected to heat exchanger, expansion slot and circulating pump respectively, and expansion slot is connected to feed supplement slot, feed supplement slot and heat exchanger respectively with
Circulating pump connection, refrigerating medium form circulation between evaporator, heat exchanger and circulating pump, and refrigerant compression systems include freezing pressure
Contracting machine and evaporator, evaporator are connected to refrigerant condenser, and refrigerant forms circulation between evaporator and refrigerant condenser.
The following are the attached technical schemes of the utility model.
Preferably, the refrigerating medium is methylene chloride.
Preferably, described expansion slot one end is connected between evaporator and heat exchanger, and the other end and feed supplement slot connect
It is logical.
Preferably, the feed supplement slot has control valve, and control valve one end is connected between circulating pump and heat exchanger.
A kind of technical effect of the utility model: low temperature refrigerant system energy for tetrafluoroethene production of the utility model
It is enough to realize lasting refrigeration, keep system run all right；Meanwhile, it is capable to which heat-exchange system corrosion is effectively relieved, equipment leakage wind is reduced
Danger, safety are higher；In addition, system resistance reduces, energy consumption is reduced.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of low temperature refrigerant system for tetrafluoroethene production of the utility model embodiment.
Wherein: 1- evaporator；2- heat exchanger；3- circulating pump；4- refrigerant condenser；5- feed supplement slot；6- expansion slot；7- control
Valve.
Specific embodiment
In the following, being further described in conjunction with substantive distinguishing features and advantage of the example to the utility model, but this is practical new
Type is not limited to listed embodiment.
As shown in Figure 1, a kind of low temperature refrigerant system for tetrafluoroethene production of the present embodiment includes refrigerating medium circulation
System and refrigerant compression systems, the refrigerating medium circulatory system include evaporator 1, heat exchanger 2, circulating pump 3, feed supplement slot 5 and expansion
Slot 6, the evaporator 1 are connected to heat exchanger 2, expansion slot 6 and circulating pump 3 respectively, and expansion slot 6 is connected to feed supplement slot 5, feed supplement slot
5 and heat exchanger 2 be connected to respectively with circulating pump 3, refrigerating medium forms circulation between evaporator, heat exchanger and circulating pump.Refrigerant
Compressibility includes refrigerant condenser 4 and evaporator 1, and evaporator 1 is connected to refrigerant condenser 4, and refrigerant is in evaporator and cold
Freeze and forms circulation between compressor.In above-mentioned technical proposal, refrigerating medium is carried out after the cooling of evaporator tube side by heat exchanger
Heat exchange, the raised refrigerant of temperature continue to send to evaporator and cool down, then sent to heat exchanger again and carry out heat by circulating pump
Exchange.It is pressurized liquefied after compression into refrigerant condenser after the liquid refrigerant heat absorption evaporation of evaporator shell side, by liquid
Evaporator shell side is entered back into, is recycled repeatedly, it will be able to complete continuous cooling；Through the above technical solutions, can be realized and be
The lasting refrigeration of system.In the present embodiment, refrigerating medium is added or stored by feed supplement slot when system just comes into operation or overhauls, is guaranteed
The supply of refrigerating medium is stablized by expansion slot come regulating system pressure, so that system operation is more stable.
In the present embodiment, the refrigerating medium be methylene chloride, using safety, low viscosity methylene chloride as refrigerating medium generation
It exchanges heat for 50% ethylene glycol solution and tetrafluoroethene system, heat-exchange system corrosion can be effectively relieved, reduce equipment leakage risk, disappear
Risk of explosion caused by except being leaked because of refrigerating medium；Simultaneously as methylene chloride is lower than 50% ethylene glycol solution viscosity, system resistance
Power substantially reduces, and circulating pump lift also reduces, and electricity consumption also will be greatly reduced.
In the present embodiment, described 6 one end of expansion slot is connected between evaporator 1 and heat exchanger 2, and the other end and feed supplement slot connect
It is logical, so as to adjust the pressure of the refrigerating medium circulatory system by expansion slot.
In the present embodiment, the feed supplement slot 5 has a control valve 7,7 one end of control valve be connected to circulating pump 3 and heat exchanger 2 it
Between, so as to adjust the amount of the refrigerating medium input refrigerating medium circulatory system.
A kind of low temperature refrigerant system for tetrafluoroethene production of the present embodiment can be realized lasting refrigeration, keep system
It is stable；Meanwhile, it is capable to which heat-exchange system corrosion is effectively relieved, equipment leakage risk is reduced, safety is higher；In addition, system
Resistance reduces, and energy consumption is reduced.
It should be pointed out that above-mentioned preferred embodiment is only to illustrate the technical ideas and features of the present invention, purpose
It is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly, this reality can not be limited with this
With novel protection scope.All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in this reality
Within novel protection scope.
Claims (4)
1. a kind of low temperature refrigerant system for tetrafluoroethene production, which is characterized in that including the refrigerating medium circulatory system and refrigeration
Agent compressibility, the refrigerating medium circulatory system include evaporator, heat exchanger, circulating pump, feed supplement slot and expansion slot, the evaporator point
It is not connected to heat exchanger, expansion slot and circulating pump, expansion slot is connected to feed supplement slot, and feed supplement slot and heat exchanger connect with circulating pump respectively
Logical, refrigerating medium forms circulation between evaporator, heat exchanger and circulating pump, and refrigerant compression systems include refrigerant condenser and steaming
Device is sent out, evaporator is connected to refrigerant condenser, and refrigerant forms circulation between evaporator and refrigerant condenser.
2. a kind of low temperature refrigerant system for tetrafluoroethene production according to claim 1, which is characterized in that the load
Cryogen is methylene chloride.
3. a kind of low temperature refrigerant system for tetrafluoroethene production according to claim 2, which is characterized in that described swollen
Swollen slot one end is connected between evaporator and heat exchanger, and the other end is connected to feed supplement slot.
4. a kind of low temperature refrigerant system for tetrafluoroethene production according to claim 3, which is characterized in that the benefit
Hopper has control valve, and control valve one end is connected between circulating pump and heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822044982.0U CN209655612U (en) | 2018-12-07 | 2018-12-07 | A kind of low temperature refrigerant system for tetrafluoroethene production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822044982.0U CN209655612U (en) | 2018-12-07 | 2018-12-07 | A kind of low temperature refrigerant system for tetrafluoroethene production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209655612U true CN209655612U (en) | 2019-11-19 |
Family
ID=68517782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822044982.0U Active CN209655612U (en) | 2018-12-07 | 2018-12-07 | A kind of low temperature refrigerant system for tetrafluoroethene production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209655612U (en) |
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2018
- 2018-12-07 CN CN201822044982.0U patent/CN209655612U/en active Active
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