CN205980123U - Large -scale refrigerating system - Google Patents
Large -scale refrigerating system Download PDFInfo
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- CN205980123U CN205980123U CN201620934759.1U CN201620934759U CN205980123U CN 205980123 U CN205980123 U CN 205980123U CN 201620934759 U CN201620934759 U CN 201620934759U CN 205980123 U CN205980123 U CN 205980123U
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Abstract
The utility model relates to a large -scale refrigerating system, including compressor, dehumidification evaporation ware, refrigeration evaporimeter, condenser and the cold volume uninstallation system of high pressure, the first person in charge of compressor induction port intercommunication, the condenser has first condensation opening and second condensation opening, and first condensation opening communicates the gas vent of compressor, and second condensation opening intercommunication second is responsible for, the dehumidification evaporation utensil has first entry and first export, and first entry intercommunication second is responsible for and is kept away from second condensation open -ended one end, and the first person in charge of first export intercommunication keeps away from the one end of compressor induction port, the refrigeration evaporimeter has the second entrance and second export, and the second entrance intercommunication second is responsible for and is kept away from second condensation open -ended one end, and the first person in charge of second export intercommunication keeps away from the one end of compressor induction port, the cold volume uninstallation system of high pressure communicates the first person in charge respectively and the second is responsible for. The advantage: system simple structure carries out effectively uninstallation to compressor mouth exhaust refrigerant pressure and steps down, and the security performance is higher.
Description
Technical field
This utility model is related to art of refrigeration units, and spy is standby to be related to a kind of large-scale refrigeration system with cold uninstalling system
System.
Background technology
The refrigeration system of complete set is mainly by compressor, condenser, throttling arrangement (expansion valve) and the big part of vaporizer four
And the loop composition that other little elements are constituted；On loop, the flow of each element need to accurately calculate, and so that loop each several part is corresponded to
Pressure is in relative balance state.But producing, in installation process, not accurate due to calculating, or manufacturing process etc. indefinite because
Element, may lead to refrigeration system circuit Compressor Discharge Pressure too high, be easier the element in damage system, or occurs quick-fried
The danger of pipe, therefore, continues the refrigeration system that a kind of refrigerant pressure that exhaust outlet of compressor can be discharged carries out cold unloading
System, solves the problems, such as that the pressure at expulsion that compressor is likely to occur is too high successively.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of large-scale refrigerating system, effectively overcomes existing skill
The defect of art.
The technical scheme that this utility model solves above-mentioned technical problem is as follows：A kind of large-scale refrigerating system, including compressor,
Dehumidify evaporimeter, refrigerating evaporator, condenser and high pressure cold uninstalling system；
Air entry connection first supervisor of above-mentioned compressor；
Above-mentioned condenser has the first condensation opening and the second condensation opening for cold-producing medium turnover, and above-mentioned first condensation is opened
The air vent by pipeline connection compressor for the mouth, above-mentioned second condensation open communication second is responsible for；
Above-mentioned dehumidify evaporimeter has the first entrance and first outlet for cold-producing medium turnover, and above-mentioned first entrance passes through pipe
Road connection second supervisor is away from one end of the second condensation opening, and on this pipeline, connection is provided with the first expansion valve and first throttle electricity
Magnet valve, above-mentioned first outlet is responsible for the one end away from compressor air suction mouth by pipeline communication first；
Above-mentioned refrigerating evaporator has the second entrance and second outlet for cold-producing medium turnover, and above-mentioned second entrance passes through pipe
Road connection second supervisor is away from one end of the second condensation opening, and on this pipeline, connection is provided with the second expansion valve and the second throttling electricity
Magnet valve, above-mentioned second outlet is responsible for the one end away from compressor air suction mouth by pipeline communication first；
Above-mentioned high pressure cold uninstalling system is respectively communicated with the first supervisor and the second supervisor by pipeline.
The beneficial effects of the utility model are：System structure is simple, easy to use, the refrigeration that exhaust outlet of compressor is discharged
Agent pressure is effectively unloaded blood pressure lowering it is ensured that system interior element is hardly damaged, and effectively avoids occurring the unsafe conditions such as booster, peace
Full performance improves a lot.
On the basis of technique scheme, this utility model can also do following improvement.
Further, above-mentioned high pressure cold uninstalling system includes bleed pressure regulator and air accumulator, and above-mentioned air accumulator has
There are air inlet and gas outlet, the outfan of above-mentioned bleed pressure regulator passes through the above-mentioned air inlet of pipeline communication, above-mentioned exhaust pressure
The input of force regulating valve is responsible for by pipeline communication second, and above-mentioned gas outlet is responsible for by pipeline communication first.
Beneficial effect using above-mentioned further scheme is that high pressure cold uninstalling system structure is simple, works as exhaust outlet of compressor
When the refrigerant pressure that condensed device cools down out is more than bleed pressure regulator setting value, bleed pressure regulator is beaten automatically
Open, cold-producing medium enters air accumulator and is evaporated to steam, and pressure is effectively unloaded.
Further, the pipeline that above-mentioned gas outlet is connected with the first supervisor is provided with the first electromagnetic valve.
Beneficial effect using above-mentioned further scheme is can be easy to control the gas at gas outlet by this first electromagnetic valve
Body uninterrupted.
Further, above-mentioned second supervisor is provided with the second electromagnetic valve.
It is easy for being responsible for dehumidifying by this second solenoid valve control second using the beneficial effect of above-mentioned further scheme
Vaporizer, the refrigerant flow size of refrigerating evaporator supply.
Further, above-mentioned air accumulator is provided with safety relief valve.
It is easy for the steam pressure in air accumulator is adjusted using the beneficial effect of above-mentioned further scheme.
Further, above-mentioned first it is responsible at upper close compressor air suction mouth and above-mentioned compressor air vent and the first condensation
3rd electromagnetic valve and the 4th electromagnetic valve are respectively equipped with the pipeline of open communication.
It is easy for entering by the 3rd electromagnetic valve and the 4th electromagnetism valve regulation using the beneficial effect of above-mentioned further scheme
Refrigerant vapour uninterrupted at compressor air suction mouth and the refrigerant vapour uninterrupted of air vent discharge.
Brief description
Fig. 1 is the system composition figure of large-scale refrigerating system of the present utility model.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, compressor, 2, dehumidify evaporimeter, 3, refrigerating evaporator, 4, condenser, 5, high pressure cold uninstalling system, 11,
One supervisor, the 12, second supervisor, the 13, first expansion valve, 14, first throttle electromagnetic valve, the 15, second expansion valve, the 16, second throttling
Electromagnetic valve, 21, first entrance, 22, first outlet, 31, second entrance, 32, second outlet, the 41, first condensation opening, 42, the
Two condensation openings, 51, bleed pressure regulator, 52, air accumulator, the 111, first electromagnetic valve, the 112, the 3rd electromagnetic valve, the 113, the 4th
Electromagnetic valve, the 121, second electromagnetic valve, 521, safety relief valve.
Specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example is served only for explaining this practicality
New, it is not intended to limit scope of the present utility model.
Embodiment：As shown in figure 1, the large-scale refrigerating system of the present embodiment includes compressor 1, dehumidify evaporimeter 2, refrigeration steaming
Send out device 3, condenser 4 and high pressure cold uninstalling system 5；
Air entry connection first supervisor 11 of above-mentioned compressor 1；
Above-mentioned condenser 4 has a first condensation opening 41 and the second condensation opening 42 for cold-producing medium turnover, and above-mentioned first
Condensation opening 41 passes through the air vent of pipeline connection compressor 1, above-mentioned second condensation opening 42 connection the second supervisor 12；
Above-mentioned dehumidify evaporimeter 2 has the first entrance 21 and first outlet 22 for cold-producing medium turnover, above-mentioned first entrance
21 are responsible for 12 away from second one end condensing opening 42 by pipeline communication second, and on this pipeline, connection is provided with the first expansion valve
13 and first throttle electromagnetic valve 14, above-mentioned first outlet 22 is by pipeline communication first supervisor 11 away from compressor 1 air entry
One end, liquid refrigerant enters first throttle electromagnetic valve 14 through its choked flow blood pressure lowering, expands and be evaporated to mist at the first expansion valve 13
Shape；
Above-mentioned refrigerating evaporator 3 has the second entrance 31 and second outlet 32 for cold-producing medium turnover, above-mentioned second entrance
31 are responsible for 12 away from second one end condensing opening 42 by pipeline communication second, and on this pipeline, connection is provided with the second expansion valve
15 and second throttle solenoid valve 16, above-mentioned second outlet 32 is by pipeline communication first supervisor 11 away from compressor 1 air entry
One end, liquid refrigerant enters the second throttle solenoid valve 16 through its choked flow blood pressure lowering, expands and be evaporated to mist at the second expansion valve 15
Shape；
Above-mentioned high pressure cold uninstalling system 5 is respectively communicated with the first supervisor 11 and the second supervisor 12 by pipeline.
This system carries out discharge degree by the high compacting liquid refrigerant out to condenser 4 it is ensured that when using not
The danger that related elements can be damaged or booster occurs because of refrigerant pressure excessive two.
Above-mentioned high pressure cold uninstalling system 5 includes bleed pressure regulator 51 and air accumulator 52, and above-mentioned air accumulator 52 has
There are air inlet and gas outlet, the outfan of above-mentioned bleed pressure regulator 51 passes through the above-mentioned air inlet of pipeline communication, above-mentioned aerofluxuss
The input of pressure-regulating valve 51 is responsible for 12 by pipeline communication second, and above-mentioned gas outlet is responsible for 11 by pipeline communication first.
The pipeline that above-mentioned gas outlet is connected with the first supervisor 11 is provided with the first electromagnetic valve 111, is easy to adjust gas outlet stream
Gas flow to the first supervisor 11.
Above-mentioned second supervisor 12 is provided with the second electromagnetic valve 121, and above-mentioned second electromagnetic valve 121 is located at pressure at expulsion and adjusts
Between valve 51 input and the second supervisor 11 junctions and the second supervisor 11 one end away from the second condensation opening 42.
Above-mentioned air accumulator 52 is provided with safety relief valve 521, is easy to the refrigerant gas pressure in air accumulator 52 is carried out
Adjust.
Preferably, above-mentioned first it is responsible at close compressor 1 air entry on 11 and above-mentioned compressor 1 air vent and first
It is respectively equipped with the 3rd electromagnetic valve 112 and the 4th electromagnetic valve 113, by the 3rd electromagnetic valve on the pipeline of condensation opening 41 connection
112 and the 4th electromagnetic valve 113 can in whole system cold-producing medium compressor 1 enter fashionable or discharge when circulation have
Effect controls, using relatively more flexible, safety.
During use, the first expansion valve 13, first throttle electromagnetic valve 14, the second expansion valve 15, the second throttle solenoid valve
16th, the second electromagnetic valve 121, the 3rd electromagnetic valve 112 and the 4th electromagnetic valve 113 are normally open state, and the first electromagnetic valve 111 closes
Close, the atomized refrigerant evaporation aspiration external heat flowing separately through the low-temp low-pressure of dehumidify evaporimeter 2 and refrigerating evaporator 3 steams
Send out into gas and enter the first supervisor 11, then sucked by the air entry of compressor 1, be compressed into the gas of High Temperature High Pressure by compressor 1
State cold-producing medium, then enter cooling down in condenser 4 through the first condensation opening, form the liquid refrigerant of cryogenic high pressure, afterwards
Import in the second supervisor 12 and flow to dehumidify evaporimeter 2 and refrigerating evaporator 3 forms circulation, in the process, gone out by condenser 4
The low temperature liquid high-pressure refrigerant coming also shunts the pipeline flowing to high pressure cold uninstalling system 5 connection, when by condenser 4 out
When low temperature liquid refrigerant pressure is higher than bleed pressure regulator 51 setting value in high pressure cold uninstalling system 5, pressure at expulsion
Regulating valve 51 automatically opens up, and high pressure cold uninstalling system 5 shunts to the low temperature liquid high-pressure refrigerant in the second supervisor 12,
Reduce its pressure, when cold-producing medium is further separated into high pressure cold uninstalling system 5, first after bleed pressure regulator 51 choked flow, pressure
Power reduces, and evaporation after entering air accumulator 52 becomes low-temp low-pressure gaseous state and stores, by the second condensation opening 42 low temperature out
When high pressure liquid refrigerant pressure is in safety range, the first electromagnetic valve 111 is controlled to open, the gaseous state of storage in air accumulator 52
Cold-producing medium enters the first supervisor 11, with entering compressor together with dehumidify evaporimeter 2 and refrigerating evaporator 3 gaseous refrigerant out
Recompression in 1, recycles, high pressure cold uninstalling system 5 can effectively to condenser 4, liquid high-pressure refrigerant out enters
Row blood pressure lowering, it is to avoid the dangerous accident such as generating device damage and booster is so that the security performance of whole refrigeration system greatly improves.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (6)
1. a kind of large-scale refrigerating system it is characterised in that：Including compressor (1), dehumidify evaporimeter (2), refrigerating evaporator (3),
Condenser (4) and high pressure cold uninstalling system (5)；
Air entry connection first supervisor (11) of described compressor (1)；
The first condensation opening (41) and second that described condenser (4) has for cold-producing medium turnover condenses opening (42), and described the
The air vent of pipeline connection compressor (1), described second condensation opening (42) connection the second supervisor are passed through in one condensation opening (41)
(12)；
Described dehumidify evaporimeter (2) has the first entrance (21) and first outlet (22) for cold-producing medium turnover, and described first enters
Mouthful (21) are passed through pipeline communication second and are responsible for (12) one end away from the second condensation opening (42), and connect on this pipeline and be provided with the
One expansion valve (13) and first throttle electromagnetic valve (14), described first outlet (22) by pipeline communication first be responsible for (11) away from
One end of compressor (1) air entry；
Described refrigerating evaporator (3) has the second entrance (31) and second outlet (32) for cold-producing medium turnover, and described second enters
Mouthful (31) are passed through pipeline communication second and are responsible for (12) one end away from the second condensation opening (42), and connect on this pipeline and be provided with the
Two expansion valves (15) and the second throttle solenoid valve (16), described second outlet (32) by pipeline communication first be responsible for (11) away from
One end of compressor (1) air entry；
Described high pressure cold uninstalling system (5) is respectively communicated with the first supervisor (11) and the second supervisor (12) by pipeline.
2. a kind of large-scale refrigerating system according to claim 1 it is characterised in that：Described high pressure cold uninstalling system (5)
Including bleed pressure regulator (51) and air accumulator (52), described air accumulator (52) have air inlet and gas outlet, described row
The outfan of air pressure force regulating valve (51) passes through air inlet described in pipeline communication, the input of described bleed pressure regulator (51)
It is responsible for (12) by pipeline communication second, (11) are responsible for by pipeline communication first in described gas outlet.
3. a kind of large-scale refrigerating system according to claim 2 it is characterised in that：Described gas outlet and the first supervisor (11)
The pipeline of connection is provided with the first electromagnetic valve (111).
4. a kind of large-scale refrigerating system according to claim 3 it is characterised in that：Described second supervisor (12) is provided with the
Two electromagnetic valves (121).
5. a kind of large-scale refrigerating system according to any one of claim 2 to 4 it is characterised in that：Described air accumulator (52)
It is provided with safety relief valve (521).
6. a kind of large-scale refrigerating system according to any one of Claims 1-4 it is characterised in that：Described first supervisor
(11) go up at compressor (1) air entry and described compressor (1) air vent condenses, with first, the pipe that opening (41) connects
3rd electromagnetic valve (112) and the 4th electromagnetic valve (113) are respectively equipped with road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620934759.1U CN205980123U (en) | 2016-08-24 | 2016-08-24 | Large -scale refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620934759.1U CN205980123U (en) | 2016-08-24 | 2016-08-24 | Large -scale refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205980123U true CN205980123U (en) | 2017-02-22 |
Family
ID=58034616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620934759.1U Active CN205980123U (en) | 2016-08-24 | 2016-08-24 | Large -scale refrigerating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205980123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024036593A1 (en) * | 2022-08-19 | 2024-02-22 | 广东颐柏流体技术有限公司 | Air energy refrigeration and variable flow control system and method |
-
2016
- 2016-08-24 CN CN201620934759.1U patent/CN205980123U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024036593A1 (en) * | 2022-08-19 | 2024-02-22 | 广东颐柏流体技术有限公司 | Air energy refrigeration and variable flow control system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |