CN208487862U - A kind of freezing-cooling storeroom and the direct evaporating condensation type indirect refrigeration system of device - Google Patents
A kind of freezing-cooling storeroom and the direct evaporating condensation type indirect refrigeration system of device Download PDFInfo
- Publication number
- CN208487862U CN208487862U CN201820669676.3U CN201820669676U CN208487862U CN 208487862 U CN208487862 U CN 208487862U CN 201820669676 U CN201820669676 U CN 201820669676U CN 208487862 U CN208487862 U CN 208487862U
- Authority
- CN
- China
- Prior art keywords
- cold
- refrigerant
- freezing
- compressor
- refrigeration 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.)
- Active
Links
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a kind of freezing-cooling storeroom and device direct evaporating condensation type indirect refrigeration systems, including refrigerant cycle apparatus.The utility model is using R507 as 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, in addition to this set first cold with second it is cold between run independently of each other, so that two cold can keep different temperature levels, furthermore the throttle valve selected in the present invention, it can be again introduced into process by the condensed refrigerant of Pk condenser and recycle, the use of refrigerant is effectively saved, both it reduced costs, refrigeration effect is improved again, with certain practical value, use such structure condenser additional without additional arrangement, reduce space hold and pipe-line, it is suitble to the freezer of smaller size smaller to use.
Description
Technical field
The utility model relates to a kind of refrigeration system, specially a kind of freezing-cooling storeroom and the direct evaporating condensation type of device
Indirect refrigeration 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 a kind of freezing-cooling storeroom and the direct evaporating condensation type indirect refrigerations of device
System, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of freezing-cooling storeroom and device are with direct
Evaporating condensation type indirect refrigeration system, including refrigerant cycle apparatus, the refrigerant cycle apparatus are evaporated by Pk condenser, Po
Device, compressor, refrigerant storage tank and throttle valve are constituted, and the refrigerant storage tank is connected to the input of the Po evaporator
End, while the output end of the Po evaporator is connected to compressor, the output end of the compressor is connected to the defeated of Pk condenser
Enter end, furthermore the output end of the Pk condenser is delivered to the input terminal of throttle valve, and the output end of the throttle valve is connected to Po
The input terminal of evaporator.
Preferably, it is connected between described first cold and second cold and the Po evaporator by transfer piping.
Preferably, the capacity of the refrigerant storage tank is 50L, and the refrigerant is R507.
Preferably, the concrete model of the compressor is MLM021T5LP9, and the power supply of the compressor is 220-240V-
1-50Hz, the compressor use AB alkylbenzene oil R22 lubricating oil.
Preferably, described first cold and it is described second it is cold between it is mutually indepedent.
Compared with prior art, the utility model has the beneficial effects that the utility model is arranged by using R507 conduct
Refrigerant, instead of existing ammonia R717 refrigerant, it is inflammable, explosive, toxic to solve ammonia, and the cold storage refrigerating system technical process
Complexity, operating pressure are high, are difficult to control, disadvantage troublesome in poeration, in addition to this set first cold with second cold phase
Mutual independent operating, so that two cold can keep different temperature levels, the throttle valve furthermore selected in the present invention,
It can be again introduced into process by the condensed refrigerant of Pk condenser and recycle, effectively save refrigerant
It uses, not only reduced costs, but also improve refrigeration effect, there is certain practical value.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is utility model works flow diagram.
In figure: 1- first cold；2- second cold；3-Pk condenser；4-Po evaporator；5- compressor；The storage of 6- refrigerant
Deposit tank；7- throttle valve；8- 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:
A kind of freezing-cooling storeroom and device direct evaporating condensation type indirect refrigeration system, including refrigerant cycle apparatus 8,
The refrigerant cycle apparatus 8 is by Pk condenser 3, Po evaporator 4,7 structure of compressor 5, refrigerant storage tank 6 and throttle valve
At the refrigerant storage tank 6 is connected to the input terminal of the Po evaporator 4, while the output end connection of the Po evaporator 4
To compressor 5, the output end of the compressor 5 is connected to the input terminal of Pk condenser 3, furthermore the output of the Pk condenser 3
End is delivered to the input terminal of throttle valve 7, and the output end of the throttle valve 7 is connected to the input terminal of Po evaporator 4.
In the present embodiment, pass through transmitting pipe between described first cold 1 and second cold 2 and the Po evaporator 4
Road is connected.
In the present embodiment, the capacity of the refrigerant storage tank 6 is 50L, and the refrigerant is R507.
In the present embodiment, the concrete model of the compressor 5 is MLM021T5LP9, and the power supply of the compressor 5 is
220-240V-1-50Hz, the compressor 5 use AB alkylbenzene oil R22 lubricating oil.
In the present embodiment, described first cold 1 and it is described second it is cold between it is mutually indepedent between 2, facilitate and freeze.
Working principle: it from R507 refrigerant is discharged in refrigerant storage tank 6 into Po evaporator 4, is inhaled in Po evaporator 4
The heat in environment is received, refrigerant heat absorption heating becomes gas, and refrigerant forms high temperature and pressure gas by the compression of compressor 5 later
Body enters Pk condenser 3 later, and heat is discharged in condensation process, and becomes liquid after refrigerant release amount of heat, through celebrating a festival
The stream throttling of valve 7 is again introduced into Po evaporator 4, starts to carry out secondary cycle, additional without additional arrangement using such structure
Condenser, reduces space hold and pipe-line, and the freezer of smaller size smaller is suitble to use.
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 of the invention and pressure
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, reduce 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. a kind of freezing-cooling storeroom and the direct evaporating condensation type indirect refrigeration system of device, including refrigerant cycle apparatus (8),
First cold (1) and second it is cold between (2), it is characterised in that: the refrigerant cycle apparatus (8) by Pk condenser (3), Po evaporate
Device (4), compressor (5), refrigerant storage tank (6) and throttle valve (7) are constituted, and the refrigerant storage tank (6) is connected to institute
The input terminal of Po evaporator (4) is stated, while the output end of the Po evaporator (4) is connected to compressor (5), the compressor
(5) output end is connected to the input terminal of Pk condenser (3), and furthermore the output end of the Pk condenser (3) is delivered to throttle valve
(7) output end of input terminal, the throttle valve (7) is connected to the input terminal of Po evaporator (4).
2. a kind of freezing-cooling storeroom according to claim 1 and the direct evaporating condensation type indirect refrigeration system of device,
It is characterized in that: being connected between first cold (1) and second cold (2) and the Po evaporator (4) by transfer piping
It connects.
3. a kind of freezing-cooling storeroom according to claim 1 and the direct evaporating condensation type indirect refrigeration system of device,
Be characterized in that: the capacity of the refrigerant storage tank (6) is 50L, and the refrigerant is R507.
4. a kind of freezing-cooling storeroom according to claim 1 and the direct evaporating condensation type indirect refrigeration system of device,
Be characterized in that: the concrete model of the compressor (5) is MLM021T5LP9, and the power supply of the compressor (5) is 220-240V-
1-50Hz, the compressor (5) use AB alkylbenzene oil R22 lubricating oil.
5. a kind of freezing-cooling storeroom according to claim 1 and the direct evaporating condensation type indirect refrigeration system of device,
Be characterized in that: first cold (1) and it is described second it is cold between it is mutually indepedent between (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669676.3U CN208487862U (en) | 2018-05-07 | 2018-05-07 | A kind of freezing-cooling storeroom and the direct evaporating condensation type indirect refrigeration system of device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669676.3U CN208487862U (en) | 2018-05-07 | 2018-05-07 | A kind of freezing-cooling storeroom and the direct evaporating condensation type indirect refrigeration system of device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208487862U true CN208487862U (en) | 2019-02-12 |
Family
ID=65253042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820669676.3U Active CN208487862U (en) | 2018-05-07 | 2018-05-07 | A kind of freezing-cooling storeroom and the direct evaporating condensation type indirect refrigeration system of device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208487862U (en) |
-
2018
- 2018-05-07 CN CN201820669676.3U patent/CN208487862U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9845973B2 (en) | Cascade refrigeration system | |
| CN105157171A (en) | Control method and control system of air conditioning system | |
| CN108458432B (en) | Passive heat pipe natural cooling machine room air conditioning system with auxiliary cold source and control method thereof | |
| CN105004088A (en) | Cascaded water chilling unit for dual purposes of intermediate temperature and low temperature | |
| CN104197570A (en) | Heating method and system of three-pipe heat recovery multiple-on-line system | |
| CN106440137A (en) | Energy saving air conditioner system and refrigeration method | |
| CN203605512U (en) | Air-cooling type compression condensing unit with supercooled gas-liquid separator | |
| CN201680657U (en) | Heat pipe type cold energy utilization device based on liquefied natural gas station and refrigeration house | |
| CN208296353U (en) | A kind of freezing-cooling storeroom and device water cooling indirect refrigeration system | |
| CN204202062U (en) | With the water-cooled cooling water air conditioner unit of ice-reserving function | |
| CN208487862U (en) | A kind of freezing-cooling storeroom and the direct evaporating condensation type indirect refrigeration system of device | |
| CN102252412A (en) | Freon-free frequency-conversion air conditioner system | |
| CN208296356U (en) | The cooling indirect refrigeration system of refrigerating medium can be used in one kind | |
| CN205860582U (en) | A kind of liquid storage regulation device and refrigeration system | |
| CN211120094U (en) | Carbon dioxide two-stage compression refrigeration system combining vortex tube and two-stage ejector | |
| CN209415865U (en) | A kind of high-adaptability cold-storage multi-stage temperature refrigerator system of cascade utilization LNG cold energy | |
| CN203908089U (en) | Refrigerating device | |
| CN202393073U (en) | Refrigerating system for ultra-low-temperature refrigerated storages | |
| CN201417042Y (en) | Equipment with simplified mixed refrigerant liquefaction process | |
| CN205561325U (en) | Rack heat dissipation air conditioning system | |
| CN204438359U (en) | Air-conditioner outdoor unit | |
| CN210602351U (en) | Condenser capable of improving supercooling degree, water chilling unit and air conditioner | |
| CN208296359U (en) | A kind of indirect refrigeration system of optional refrigerant | |
| CN103322712A (en) | Parallel compression refrigeration system | |
| CN208296421U (en) | A kind of cold-storage device that freezing-cooling storeroom can be adjusted according to the needs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220727 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. |