CN109916100A - A kind of high-temperature medium temperature control refrigeration system based on compressor - Google Patents
A kind of high-temperature medium temperature control refrigeration system based on compressor Download PDFInfo
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- CN109916100A CN109916100A CN201910323816.0A CN201910323816A CN109916100A CN 109916100 A CN109916100 A CN 109916100A CN 201910323816 A CN201910323816 A CN 201910323816A CN 109916100 A CN109916100 A CN 109916100A
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 238000002347 injection Methods 0.000 claims abstract description 34
- 239000007924 injection Substances 0.000 claims abstract description 34
- 239000003507 refrigerant Substances 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 18
- 238000013021 overheating Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The high-temperature medium temperature control refrigeration system based on compressor that present invention discloses a kind of, it includes evaporator, the high-temperature medium input pipe being connected to evaporator, circulating pump and heater on high-temperature medium input pipe are set, the cryogenic media efferent duct being connected to evaporator, the gas-liquid separator of forming circuit is connected to the evaporator, compressor, and condenser, the output end of condenser is provided with a branch line, the other end of branch line splits into the first pipeline, three tunnel of second pipeline and third pipeline, liquid injection valve is provided on three road pipelines, first pipeline and the pipeline connection for being connected to evaporator and gas-liquid separator；Second pipeline and the pipeline connection for being connected to gas-liquid separator and compressor；Third pipeline is directly connected to the internal chamber of compressor.The present invention is all made of compressor operation in high-temperature region and low-temperature space and carries out whole cooling to medium, and can ensure that the normal operation of compressor avoids overheating itself and influences work.
Description
Technical field
The invention belongs to temperature control device technical fields, freeze more particularly to a kind of high-temperature medium temperature control based on compressor
System.
Background technique
In experimental test industry, it usually needs maintain constant high-temperature medium temperature, high temperature range is usually 100 DEG C~
200℃.When experimental test condition requires to be reduced to low temperature by high temperature, usually there are two types of cooling methods.The first is using cold
But water circulates in medium high-temperature region and is cooled down indirectly to medium, then using compressor operate in medium low-temperature space to medium into
In the ranks connect cooling；Second of way is that high-temperature region and low-temperature space are all made of compressor operation and carry out whole cooling to medium.
The advantages of the first way is that cooling does not run compressor, relative energy-saving in high-temperature region；And using cooling water without
Decalescence cools down to high-temperature medium, and temperature control is more accurate；The shortcomings that the first way is to need to increase individually cooling
Water loop, equipment need to increase volume and cost, not dominant in terms of equipment land occupation and cost.
The advantages of second of way is that equipment volume is small, and control is simple, is cooled down using refrigerant phase transformation, and cooling rate is fast；
The shortcomings that second of way is when high-temperature region cools down, and compressor air suction temperature is high, compressor motor internal design itself be according to
By refrigerant cool down, if refrigerant temperature is high, to motor cooling it is bad, compressor understand overheating protection is out of service can not be normal
Work.
A kind of new above-mentioned ask is solved based on the high-temperature medium temperature control refrigeration system of compressor therefore, it is necessary to provide
Topic.
Summary of the invention
The high-temperature medium temperature control refrigeration system based on compressor that the main purpose of the present invention is to provide a kind of, using in height
Warm area and low-temperature space are all made of compressor operation and carry out the mechanism of whole cooling to medium, and can ensure the normal fortune of compressor
Row avoids overheating itself and influences work.
The present invention is achieved through the following technical solutions above-mentioned purpose: a kind of high-temperature medium temperature control refrigeration system based on compressor
System comprising evaporator, is arranged on the high-temperature medium input pipe high-temperature medium input pipe being connected to the evaporator
Circulating pump and heater, the cryogenic media efferent duct being connected to the evaporator and in the evaporator to the high temperature
The refrigerating cycle unit that medium in medium input pipe cools down, the refrigerating cycle unit include being connected to the evaporator
Gas-liquid separator, compressor and the condenser of forming circuit are provided with a branch line in the output end of the condenser,
The other end of the branch line splits into three tunnel of the first pipeline, the second pipeline and third pipeline, is respectively provided on three road pipelines
There is a liquid injection valve, first pipeline and the pipeline connection for being connected to the evaporator and the gas-liquid separator；Second pipeline
With the pipeline connection for being connected to the gas-liquid separator and the compressor；The third pipeline is directly connected to the interior of the compressor
Portion's chamber.
Further, the liquid injection valve includes the first liquid injection valve being arranged on first pipeline, setting described the
The second liquid injection valve on two pipelines and the third liquid injection valve being arranged on the third pipeline.
Further, heating power expansion valve, electric expansion valve or throttle capillary tube production can be used in the liquid injection valve.
Further, it is provided with hydrojet solenoid valve on the branch line, controls the conducting and blocking of the branch line.
Further, refrigerant has been circulated inside the refrigerating cycle unit.
Further, the circulating pump is high temperature-resistant magnetic pump Pu.
Further, throttling set is provided on the pipeline that the condenser is connected to the evaporator.
Further, the first thermometer is provided on the pipeline that the compressor is connected to the condenser.
Further, the upstream on the high-temperature medium input pipe positioned at the circulating pump is provided with an expansion tank.
Further, second temperature meter is provided on the cryogenic media efferent duct.
Compared with prior art, a kind of beneficial effect of the high-temperature medium temperature control refrigeration system based on compressor of the present invention exists
In: high-temperature region and low-temperature space are all made of compressor operation to the method for the whole cooling of medium progress, and increase multiple spot throttling hydrojet
Cooling Design, when equipment detects that compressor exhaust temperature more than setting value, utilizes the refrigerant inside refrigeration cycle, respectively benefit
With the first liquid injection valve, the second liquid injection valve, third liquid injection valve to compressor compresses room, compressor air suction mouth, compressor air suction pipeline section
Three positions carry out Liquid injection cooling, and control compressor exhaust temperature is no more than safety value, and unit may be implemented in high-temperature region safety
Reliability service.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Digital representation in figure:
1 evaporator；2 high-temperature medium input pipes；3 circulating pumps；4 heaters；5 cryogenic media efferent ducts；6 second temperature meters；7 gas-liquids
Separator；8 compressors；9 condensers；10 branch lines；11 first pipelines；12 second pipelines；13 third pipelines；14 first hydrojets
Valve；15 second liquid injection valves；16 third liquid injection valves；17 hydrojet solenoid valves；18 throttling sets；19 first thermometers；20 expansion tanks.
Specific embodiment
Embodiment:
Please refer to Fig. 1, the present embodiment is the high-temperature medium temperature control refrigeration system 100 based on compressor comprising evaporator 1, with
Evaporator 1 be connected to high-temperature medium input pipe 2, be arranged on high-temperature medium input pipe 2 circulating pump 3, to enter evaporator 1 before
High-temperature medium input pipe 2 in medium heated heater 4, be connected to evaporator 1 cryogenic media efferent duct 5, with
And the refrigerating cycle unit to cool down in evaporator 1 to the medium in high-temperature medium input pipe 2, the refrigerating cycle unit
Gas-liquid separator 7, compressor 8 and condenser 9 including being connected to forming circuit with evaporator 1, in the output end of condenser 9
It is provided with a branch line 10, the other end of branch line 10 splits into the first pipeline 11, the second pipeline 12 and third pipeline
13 3 tunnels, liquid injection valve is provided on three road pipelines, and the first pipeline 11 and the pipeline for being connected to evaporator 1 and gas-liquid separator 7 connect
It is logical；Second pipeline 12 and the pipeline connection for being connected to gas-liquid separator 7 and compressor 8；Third pipeline 13 is directly connected to compressor 8
Internal chamber.
The liquid injection valve includes the first liquid injection valve 14 being arranged on the first pipeline 11, be arranged on the second pipeline 12
Two liquid injection valves 15 and the third liquid injection valve 16 being arranged on third pipeline 13.Heating power expansion valve, electricity can be used in the liquid injection valve
Sub- expansion valve or throttle capillary tube production.
It is provided with hydrojet solenoid valve 17 on branch line 10, controls the conducting and blocking of branch line 10.
Refrigerant has been circulated inside the refrigerating cycle unit.
First liquid injection valve 14 is that directly throttling cooling is carried out to 8 internal chamber of compressor, and cooling object is compressor compresses
Room part；Second liquid injection valve 15 is that directly throttling cooling is carried out to 8 air entry of compressor, and cooling object is electricity inside compressor
Machine；Third liquid injection valve 16 be to 8 air-breathing pipeline section of compressor (i.e. between evaporator 1 and gas-liquid separator 7, gas-liquid separator 7 and pressure
The pipeline section being connected between contracting machine 8) directly throttling cooling is carried out, cooling object is suction line and gas-liquid separator 7, due to hot side
Medium heat being transmitted to inside compressor 8 by air intake duct, third liquid injection valve 16 can play the role of hydrojet in advance, and benefit
With certain metal heat of the gentle liquid/gas separator 7 of air-breathing pipeline section, be conducive to carry out compressor 8 guarantor in advance before high temperature
Shield, is a relatively important liquid injection valve.
In the present embodiment, circulating pump 3 uses high temperature-resistant magnetic pump Pu, and the design of no mechanical shaft seal may be implemented under high temperature
It is not easy to leak.
Throttling set 18 is provided on the pipeline that condenser 9 is connected to evaporator 1, effect is by the liquid of high temperature and pressure
After state refrigerant passes through reducing pressure by regulating flow, become the gas-liquid two-phase cold-producing medium of low-temp low-pressure, is that the evaporation endothermic of subsequent refrigerant is created
Make condition.
It is provided with the first thermometer 19 on the pipeline that compressor 8 is connected to condenser 9, detects 8 output end medium of compressor
Temperature.
Upstream on high-temperature medium input pipe 2 positioned at circulating pump 3 is provided with an expansion tank 20.On cryogenic media efferent duct 5
It is provided with second temperature meter 6, detects the temperature of 5 output end medium of cryogenic media efferent duct.
When unit works, when the first thermometer 19 detects that 8 delivery temperature of compressor is more than setting value, hydrojet solenoid valve
17 open, and using the refrigerant of refrigerating cycle unit, are utilized respectively the first liquid injection valve 14, the second liquid injection valve 15, third liquid injection valve
Three 16 pairs of compressor compresses rooms, compressor air suction mouth, compressor air suction pipeline section positions carry out Liquid injection cooling, guarantee compressor row
Temperature degree is no more than safety value.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (10)
1. a kind of high-temperature medium temperature control refrigeration system based on compressor, it is characterised in that: it includes evaporator and the evaporation
The high-temperature medium input pipe of device connection, the circulating pump being arranged on the high-temperature medium input pipe and heater and the evaporation
The cryogenic media efferent duct and cool down in the evaporator to the medium in the high-temperature medium input pipe that device is connected to
Refrigerating cycle unit, the refrigerating cycle unit include be connected to the evaporator forming circuit gas-liquid separator, compression
Machine and condenser are provided with a branch line in the output end of the condenser, and the other end of the branch line is split into
Three tunnel of first pipeline, the second pipeline and third pipeline, is provided with liquid injection valve on three road pipelines, first pipeline be connected to
The pipeline connection of the evaporator and the gas-liquid separator；Second pipeline be connected to the gas-liquid separator and the pressure
The pipeline connection of contracting machine；The third pipeline is directly connected to the internal chamber of the compressor.
2. the high-temperature medium temperature control refrigeration system based on compressor as described in claim 1, it is characterised in that: the liquid injection valve
Including the first liquid injection valve being arranged on first pipeline, the second liquid injection valve, the Yi Jishe that are arranged on second pipeline
Set the third liquid injection valve on the third pipeline.
3. the high-temperature medium temperature control refrigeration system based on compressor as described in claim 1, it is characterised in that: the liquid injection valve
Heating power expansion valve, electric expansion valve or throttle capillary tube production can be used.
4. the high-temperature medium temperature control refrigeration system based on compressor as described in claim 1, it is characterised in that: the branched pipe
Road is provided with hydrojet solenoid valve, controls the conducting and blocking of the branch line.
5. the high-temperature medium temperature control refrigeration system based on compressor as described in claim 1, it is characterised in that: the refrigeration is followed
Refrigerant has been circulated inside ring element.
6. the high-temperature medium temperature control refrigeration system based on compressor as described in claim 1, it is characterised in that: the circulating pump
For high temperature-resistant magnetic pump Pu.
7. the high-temperature medium temperature control refrigeration system based on compressor as described in claim 1, it is characterised in that: in the condensation
Throttling set is provided on the pipeline that device is connected to the evaporator.
8. the high-temperature medium temperature control refrigeration system based on compressor as described in claim 1, it is characterised in that: the compressor
The first thermometer is provided on the pipeline being connected to the condenser.
9. the high-temperature medium temperature control refrigeration system based on compressor as described in claim 1, it is characterised in that: the high temperature is situated between
Upstream on matter input pipe positioned at the circulating pump is provided with an expansion tank.
10. the high-temperature medium temperature control refrigeration system based on compressor as described in claim 1, it is characterised in that: the low temperature
Second temperature meter is provided on medium efferent duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910323816.0A CN109916100A (en) | 2019-04-22 | 2019-04-22 | A kind of high-temperature medium temperature control refrigeration system based on compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910323816.0A CN109916100A (en) | 2019-04-22 | 2019-04-22 | A kind of high-temperature medium temperature control refrigeration system based on compressor |
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| CN109916100A true CN109916100A (en) | 2019-06-21 |
Family
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|---|---|---|---|
| CN201910323816.0A Pending CN109916100A (en) | 2019-04-22 | 2019-04-22 | A kind of high-temperature medium temperature control refrigeration system based on compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110209216A (en) * | 2019-07-09 | 2019-09-06 | 苏州奥德机械有限公司 | A kind of high/low temperature liquid circulation Precise Temperature Control System |
| CN110243103A (en) * | 2019-07-14 | 2019-09-17 | 苏州奥德机械有限公司 | A kind of barrel pump circulation high/low temperature liquid circulation Precise Temperature Control System |
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| CN209840448U (en) * | 2019-04-22 | 2019-12-24 | 苏州奥德机械有限公司 | High-temperature medium temperature control cold system based on compressor |
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2019
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| US6327868B1 (en) * | 1998-10-19 | 2001-12-11 | Zexel Valeo Climate Control Corporation | Refrigerating cycle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110209216A (en) * | 2019-07-09 | 2019-09-06 | 苏州奥德机械有限公司 | A kind of high/low temperature liquid circulation Precise Temperature Control System |
| CN110243103A (en) * | 2019-07-14 | 2019-09-17 | 苏州奥德机械有限公司 | A kind of barrel pump circulation high/low temperature liquid circulation Precise Temperature Control System |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Room 3 and 4, 228 Wulian Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Suzhou Aode high end equipment Co.,Ltd. Address before: 215300 rooms 3 and 4, 228 Wulian Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: SUZHOU AODE MACHINERY Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190621 |
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| RJ01 | Rejection of invention patent application after publication |