CN208296356U - The cooling indirect refrigeration system of refrigerating medium can be used in one kind - Google Patents
The cooling indirect refrigeration system of refrigerating medium can be used in one kind Download PDFInfo
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- CN208296356U CN208296356U CN201820669641.XU CN201820669641U CN208296356U CN 208296356 U CN208296356 U CN 208296356U CN 201820669641 U CN201820669641 U CN 201820669641U CN 208296356 U CN208296356 U CN 208296356U
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- refrigerating medium
- condenser
- refrigerant
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Abstract
The utility model discloses one kind, and the cooling indirect refrigeration system of refrigerating medium, including refrigerating medium circulator and refrigerant cycle apparatus can be used.The utility model utilizes R404A type refrigerant, instead of existing ammonia R717 refrigerant, it is inflammable to solve ammonia, it is explosive, it is toxic, and the cold storage refrigerating system complex technical process, operating pressure is high, it is not easy to control, disadvantage troublesome in poeration, it is additionally provided with independent refrigerating medium circulator in addition to this, used refrigerating medium is ethylene glycol and glycerin solution, when R404A refrigerant forms high temperature and high pressure gas by compressor compresses, enter Pk condenser later, here, water is passed through Pk condenser, more heat can be taken away, the corrosivity of ethylene glycol and glycerin solution is smaller simultaneously, and ethylene glycol and glycerin solution can be by cold-zone towers or evaporative condenser in external heat release after this, water is again introduced into refrigerating medium hutch after heat release, it recycles.
Description
Technical field
The utility model relates to one kind to connect refrigeration system, and specially the cooling indirect refrigeration system of refrigerating medium can be used in one kind
System.
Background technique
Currently, cold storage refrigerating system generally uses ammonia refrigeration technique, refrigeration process process is to produce after compressor compresses
Raw high temperature and pressure ammonia is throttled after intercooler and is supplied to by sending after condenser (condensation is radiated) liquefaction to ammonia liquid storage device
Low pressure recycle bucket, then the interior evaporator in each library (evaporation endothermic) is delivered to through regulation station with ammonia pump.The system that the Refrigeration Technique uses
Cryogen is ammonia (R717), and ammonia is inflammable, explosive, toxic, and the cold storage refrigerating system complex technical process, and operating pressure is high, is not easy
Control, it is troublesome in poeration.The system overwhelming majority equipment and pipeline are pressure vessel or pressure pipeline, and traditional installation method needs
By compressor set, condenser, high pressure ammonia storage tank, evaporator, low pressure recycle bucket, gas-liquid separator, emergency ammonia drainer, oil-collecting
Device, refrigeration regulation station, instrument etc. are installed together by pipeline connection, and installation technology needs the relevant pressure of strict implement to hold
Device and pressure pipeline install standards and specifications.Daily manipulation and maintenance to ammonia refrigeration system, refrigeration work must obtain extraordinary work
Industry operation qualification certificate, daily maintenance or when leaking have high requirements to treatment people.Since ammonia belongs to harmful influence, especially
It is major hazard source when cold storage refrigerating system liquefied ammonia amount is more than 10 ton hours, and country has the very spininess to ammonia refrigerating installation or to be
The laws and regulations and specification of system.And ammonia refrigeration system overwhelming majority installations and facilities are pressure vessel or pressure pipeline, country
And multiple departments such as affiliated regional Work Safety Supervision Bureau, Fire Department, Department of Qulity Supervision use and run strict requirements to ammonia refrigeration system
And monitoring
Utility model content
The purpose of this utility model is to provide one kind, and the cooling indirect refrigeration system of refrigerating medium can be used, above-mentioned to solve
The problem of being proposed in background technique.
To achieve the above object, the utility model provides the following technical solutions: it is cooling indirect that refrigerating medium can be used in one kind
Refrigeration system, including refrigerating medium circulator and refrigerant cycle apparatus, the refrigerating medium circulator include refrigerating medium storage
Deposit case, cooling tower or evaporative condenser and Pk condenser, the refrigerant cycle apparatus include Pk condenser, throttle valve,
Po evaporator, refrigerant storage tank and compressor, the capacity of the refrigerating medium storage bin are 50L, the refrigerating medium storage bin
Output end be delivered to the input terminal of Pk condenser, the output end of the Pk condenser is input to cooling tower or evaporative condenser
Input terminal, while the output end of the cooling tower or evaporative condenser is connected to the input terminal of refrigerating medium storage bin, the above composition
Complete refrigerating medium circulator.
Preferably, the refrigerant storage tank is connected to the input terminal of the Po evaporator, while the Po evaporator
Output end is connected to compressor.
Preferably, the output end of the compressor is connected to the input terminal of Pk condenser, and furthermore the Pk condenser is defeated
Outlet is delivered to the input terminal of throttle valve.
Preferably, the output end of the throttle valve is connected to the input terminal of Po evaporator.
Preferably, the volume of the refrigerant storage tank is 50L, and the Po evaporator passes through transfer piping and freezer phase
Connection.
Compared with prior art, the utility model has the beneficial effects that the utility model setting is freezed by R404A type
It is inflammable, explosive, toxic to solve ammonia instead of existing ammonia R717 refrigerant for agent, and the cold storage refrigerating system technical process is multiple
Miscellaneous, operating pressure is high, is difficult to control, and disadvantage troublesome in poeration is additionally provided with independent refrigerating medium circulator, institute in addition to this
The refrigerating medium used is ethylene glycol and glycerin solution, using ethylene glycol and glycerin solution as carrier, when R404A system
Cryogen forms high temperature and high pressure gas by compressor compresses, enters Pk condenser later and water is passed through Pk condenser here,
Since the specific heat capacity of ethylene glycol and glycerin solution is larger, more heat, while ethylene glycol and glycerine water can be taken away
The corrosivity of solution is smaller, smaller to the loss of pipeline, and ethylene glycol and glycerin solution can pass through cold-zone after this
Tower or the evaporative condenser water after external heat release, heat release are again introduced into refrigerating medium hutch, recycle；And refrigerant is released
After amplification quantity heat, it is again introduced into Po evaporator by throttle valve throttling, starts to carry out secondary cycle.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the workflow schematic diagram of the utility model.
In figure: 1- cooling tower or evaporative condenser；2- refrigerating medium storage bin；3-Pk condenser；4-Po evaporator；5- pressure
Contracting machine；6- refrigerant storage tank；7- throttle valve；8- refrigerating medium circulator；9- refrigerant cycle apparatus.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of embodiment provided by the utility model referring to FIG. 1-2:
The cooling indirect refrigeration system of refrigerating medium, including refrigerating medium circulator 8 and refrigerant circulation can be used in one kind
Device 9, the refrigerating medium circulator 8 include refrigerating medium storage bin 2, cooling tower or evaporative condenser 1 and Pk condenser
3, the refrigerant cycle apparatus 9 includes Pk condenser 3, throttle valve 7, Po evaporator 4, refrigerant storage tank 6 and compressor
5, the capacity of the refrigerating medium storage bin 2 is 50L, and the output end of the refrigerating medium storage bin 2 is delivered to the input of Pk condenser 3
End, the output end of the Pk condenser 3 are input to the input terminal of cooling tower or evaporative condenser 1, while the cooling tower or steaming
The output end of condenser 1 of feeling cold is connected to the input terminal of refrigerating medium storage bin 2, above to constitute complete refrigerating medium circulator 8.
In the present embodiment, the refrigerant storage tank 6 is connected to the input terminal of the Po evaporator 4, while the Po
The output end of evaporator 4 is connected to compressor 5.
In the present embodiment, the output end of the compressor 5 is connected to the input terminal of Pk condenser 3, and furthermore the Pk is cold
The output end of condenser 3 is delivered to the input terminal of throttle valve 7.
In the present embodiment, the output end of the throttle valve 7 is connected to the input terminal of Po evaporator 4.
In the present embodiment, the volume of the refrigerant storage tank 6 be 50L, the Po evaporator 4 by transfer piping with
Freezer is connected.
Working principle: it firstly, from R404A refrigerant is discharged in refrigerant storage tank 6 into Po evaporator 4, is evaporated in Po
The heat in environment is absorbed in device 4, refrigerant heat absorption heating becomes gas, and refrigerant is formed high by the compression of compressor 5 later
Warm high pressure gas enters Pk condenser 3 later, here, ethylene glycol and glycerin solution is passed through Pk condenser 3, due to
The specific heat capacity of ethylene glycol and glycerin solution is larger, can take away more heat, while ethylene glycol and glycerin solution
Corrosivity it is smaller, it is smaller to the loss of pipeline, and after this ethylene glycol and glycerin solution can by cooling tower or
Evaporative condenser 1 ethylene glycol and glycerin solution after external heat release, heat release are again introduced into refrigerating medium hutch 2, follow
Ring utilizes；And after refrigerant release amount of heat, it is again introduced into Po evaporator 4 by the throttling of throttle valve 7, starts to carry out secondary follow
Ring needs individually to set up cooling tower or evaporative condenser 1 external, so that freezer and cooling tower or steaming in such a way
Condenser 1 feel cold apart from farther out, whole heat insulation effect is preferable, and the temperature that is more adaptive to keeps the freezer of reduced levels to make for a long time
With.
The throttle valve referred in text is quoted from " a kind of throttle structure and pressure drop device ", 104110522 B of patent No. CN, this
A kind of throttle structure of disclosure of the invention and pressure drop device, wherein throttle structure includes needle, valve body and valve seat core, and valve seat core is solid
It is scheduled on valve body, valve seat core inner is provided with the through-hole of a smooth transition, and the shape of through-hole and the shape of needle match, valve
Needle is inserted in through-holes, and forms throttling annulus with through-hole.Pressure drop device includes the throttle structure.Throttle structure and pressure of the invention
Falling unit realizes two-stage throttling, to ensure that the pressure difference variation of throttling front and back has good gentle transition, reduces liquid system
There is a possibility that two-phase by throttle orifice in cryogen, improves the heat exchange efficiency of system.Meanwhile reducing throttle orifice downstream turbulent flow
A possibility that volute is at falling off facilitates the promotion of products noise quality so as to avoid the generation of correlated noise problem.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. the cooling indirect refrigeration system of refrigerating medium, including refrigerating medium circulator (8) and refrigerant circulation can be used in one kind
Device (9), it is characterised in that: the refrigerating medium circulator (8) includes that refrigerating medium storage bin (2), cooling tower or vaporation-type are cold
Condenser (1) and Pk condenser (3), the refrigerant cycle apparatus (9) include Pk condenser (3), throttle valve (7), Po evaporation
Device (4), refrigerant storage tank (6) and compressor (5), the capacity of the refrigerating medium storage bin (2) are 50L, the refrigerating medium
The output end of storage bin (2) is delivered to the input terminal of Pk condenser (3), and the output end of the Pk condenser (3) is input to cooling
The input terminal of tower or evaporative condenser (1), while the output end of the cooling tower or evaporative condenser (1) is connected to refrigerating medium storage
The input terminal of case (2) is deposited, it is above to constitute complete refrigerating medium circulator (8).
2. the cooling indirect refrigeration system of refrigerating medium can be used in one kind according to claim 1, it is characterised in that: the system
Cryogen holding vessel (6) is connected to the input terminal of the Po evaporator (4), while the output end of the Po evaporator (4) is connected to
Compressor (5).
3. the cooling indirect refrigeration system of refrigerating medium can be used in one kind according to claim 2, it is characterised in that: the pressure
The output end of contracting machine (5) is connected to the input terminal of Pk condenser (3), and furthermore the output end of the Pk condenser (3) is delivered to section
Flow the input terminal of valve (7).
4. the cooling indirect refrigeration system of refrigerating medium can be used in one kind according to claim 3, it is characterised in that: the section
The output end of stream valve (7) is connected to the input terminal of Po evaporator (4).
5. the cooling indirect refrigeration system of refrigerating medium can be used in one kind according to claim 1, it is characterised in that: the system
The volume of cryogen holding vessel (6) is 50L, and the Po evaporator (4) is connected by transfer piping with freezer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669641.XU CN208296356U (en) | 2018-05-07 | 2018-05-07 | The cooling indirect refrigeration system of refrigerating medium can be used in one kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669641.XU CN208296356U (en) | 2018-05-07 | 2018-05-07 | The cooling indirect refrigeration system of refrigerating medium can be used in one kind |
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| Publication Number | Publication Date |
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| CN208296356U true CN208296356U (en) | 2018-12-28 |
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| CN201820669641.XU Active CN208296356U (en) | 2018-05-07 | 2018-05-07 | The cooling indirect refrigeration system of refrigerating medium can be used in one kind |
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| CN (1) | CN208296356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160301A (en) * | 2019-05-29 | 2019-08-23 | 天津大学 | A kind of artificial ice stadium system of carbon dioxide refrigeration working medium |
-
2018
- 2018-05-07 CN CN201820669641.XU patent/CN208296356U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160301A (en) * | 2019-05-29 | 2019-08-23 | 天津大学 | A kind of artificial ice stadium system of carbon dioxide refrigeration working medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220729 Address after: 100176 1204a, building 6, yard 2, Ronghua South Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: Intercooler high tech (Beijing) Environmental Technology Co.,Ltd. Address before: 102600 building 6, yard 2, Ronghua South Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing 1024 Patentee before: ZHONGLENG GAOKE (BEIJING) ENVIRONMENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |