CN206430395U - A kind of ultralow temperature steam trapping pumping system of the pressure that can quickly restore balance - Google Patents
A kind of ultralow temperature steam trapping pumping system of the pressure that can quickly restore balance Download PDFInfo
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- CN206430395U CN206430395U CN201621424121.XU CN201621424121U CN206430395U CN 206430395 U CN206430395 U CN 206430395U CN 201621424121 U CN201621424121 U CN 201621424121U CN 206430395 U CN206430395 U CN 206430395U
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- 238000005086 pumping Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 95
- 239000003507 refrigerant Substances 0.000 claims abstract description 61
- 238000010257 thawing Methods 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 14
- 238000005057 refrigeration Methods 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 description 10
- 238000009835 boiling Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000004781 supercooling Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
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Abstract
Pumping system is trapped the utility model discloses a kind of ultralow temperature steam of pressure that can quickly restore balance, including cold-trap pipeline and provided with compressor, the refrigerant pipeline of oil eliminator, refrigerant pipeline is divided into the first pipeline after oil eliminator, second pipeline and the 3rd pipeline, heat exchanger includes First Heat Exchanger, 3rd pipeline connects the first gas-liquid separator after the hot side of regenerator is flowed through, first gas-liquid separator separates the first gas pipeline of access gas tank, access the second gas pipeline of First Heat Exchanger hot side and import the second pipeline to flow through the first liquid line of First Heat Exchanger cold side, first gas pipeline is provided with the first control valve, the second control valve and first throttle device are sequentially provided with first liquid line, gas tank accesses the first pipeline by the pressure relief pipe provided with second throttling device.The utility model greatly shortens maintenance, maintenance, the time of breakdown judge, and the influence because of plant maintenance, maintenance, failure to the equipment that forms a complete production network is minimized.
Description
Technical field
The utility model is used for ultralow temperature steam and traps pump technical field, and more particularly to one kind can quickly restore balance pressure
The ultralow temperature steam trapping pumping system of power.
Background technology
At present, known ultralow temperature steam trapping pump need to safeguard, maintain, breakdown judge when need the super of device interior
Low-temperature refrigerant recovers to environment temperature to check the balance pressure of equipment.Restore balance pressure when by equipment downtime 24-
It is allowed to rise again naturally to normal temperature within 48 hours.
Such equipment has the following disadvantages：
1. safeguarding, maintaining every time, breakdown judge needs wait just to check within 24-48 hours accurately balance pressure, cause
It is whole safeguard, maintenance, breakdown judge time it is long, efficiency is low.
2. safeguarding, maintaining every time, breakdown judge needs wait just to check within 24-48 hours accurately balance pressure, cause
Its supporting production equipment operating efficiency is seriously reduced, and unstable product quality even stops production.
Utility model content
Pump is caught to solve existing ultralow temperature steam to restore balance the pressure technical deficiency that time-consuming, the utility model is provided
A kind of ultralow temperature steam trapping pumping system of pressure that can quickly restore balance, it can realize maintenance, guarantor within the extremely short time
The foster, purpose of breakdown judge.
The utility model solves the technical scheme that its technical problem used：A kind of pressure that can quickly restore balance it is super
Low temperature steam trap pumping system, including the refrigerant pipeline provided with compressor and oil eliminator and be located at it is cold in external vacuum equipment
Trap pipeline, the refrigerant pipeline is divided into after oil eliminator directly to be flowed back to the first pipeline of compressor suction line, flows through successively
The second pipeline of compressor suction line is accessed after cold-trap pipeline, the cold side of heat exchanger, the cold side of regenerator and is flowed through successively
After the hot side of regenerator, the hot side of heat exchanger import cold-trap pipeline the 3rd pipeline, the heat exchanger include be located at regenerator and
First Heat Exchanger between cold-trap pipeline, the 3rd pipeline connects the first gas-liquid separator after the hot side of regenerator is flowed through, the
One gas-liquid separator separate access gas tank first gas pipeline, access First Heat Exchanger hot side second gas pipeline and
The second pipeline is imported so as to flow through the first liquid line of First Heat Exchanger cold side, the first gas pipeline is provided with the first control
The second control valve and first throttle device are sequentially provided with valve processed, first liquid line, the gas tank passes through provided with
The pressure relief pipe of two throttling arrangements accesses the first pipeline.
The improvement of technical solutions of the utility model is further used as, second pipeline is provided with the 3rd control valve.
The improvement of technical solutions of the utility model is further used as, the 3rd control valve includes being sequentially arranged at the second pipeline
On defrosting manual isolation valve and defrosting magnetic valve.
The improvement of technical solutions of the utility model is further used as, the heat exchanger includes being located at First Heat Exchanger and cold-trap
The second heat exchanger between pipeline, the second gas pipeline for flowing through First Heat Exchanger hot side connects the second gas-liquid separator, the second gas
Liquid/gas separator separates the third gas pipeline of the second heat exchanger hot side of access and imports the second pipeline to flow through the second heat exchanger
The second liquid pipeline of cold side, second liquid pipeline is provided with the 3rd throttling arrangement.
The improvement of technical solutions of the utility model is further used as, the heat exchanger includes being located at the second heat exchanger and cold-trap
The 3rd heat exchanger between pipeline, flows through the third gas pipeline connection liquid trap of the second heat exchanger hot side, and liquid trap separates access
The 3rd liquid line and the second pipeline of remittance of 3rd heat exchanger hot side are so as to flow through the 4th liquid line of the 3rd heat exchanger cold side
Road, the 4th liquid line be provided with the 4th throttling arrangement, second pipeline flow through successively cold-trap pipeline, the 3rd heat exchanger it is cold
Compressor suction line, described the are accessed after side, the cold side of the second heat exchanger, the cold side of First Heat Exchanger, the cold side of regenerator
Two pipelines are provided with the 4th control valve between cold-trap pipeline and the 3rd heat exchanger.
The improvement of technical solutions of the utility model is further used as, the heat exchanger included cold heat exchanger, the 3rd liquid
Pipeline stream separates the 5th liquid line for importing cold-trap pipeline after the hot side of cold heat exchanger and stream passes through cold heat exchanger cold side
The 6th liquid line of the 3rd heat exchanger cold side is accessed afterwards, and the 5th liquid line is provided with the 5th control valve and the 5th throttling
Device, the 6th liquid line is provided with the 6th throttling arrangement.
The improvement of technical solutions of the utility model is further used as, the 5th control valve includes being sequentially arranged at the 5th liquid
Refrigeration manual isolation valve and refrigeration magnetic valve on pipeline.
It is further used as on the improvement of technical solutions of the utility model, the 3rd pipeline between oil eliminator and regenerator
Provided with water-cooled condenser.
It is further used as on the improvement of technical solutions of the utility model, the 3rd pipeline in water-cooled condenser and regenerator
Between be provided with device for drying and filtering.
It is further used as the improvement of technical solutions of the utility model, first control valve is pressure release electromagnetic valve, described the
Four control valves are backflow defrosting manual isolation valve.
The beneficial effects of the utility model：Add second control valve before first throttle device, when steam trapping pump is needed
When checking balance pressure, the second control valve first closed before first throttle device interrupts the cooling heat exchange stream of its whole system
Journey, is then heated to cold-trap pipeline and the pipeline of device interior second, the 3rd pipeline and each part, when internal duct part because
The air-inflated pressure that temperature rise occurs also is increased, and is opened when device controller detects pressure rise to setting value
First control valve stores unnecessary gaseous refrigerant to gas tank, and the first control valve is closed when high-pressure is less than setting value
To ensure system high pressure in the reasonable scope.When device controller detects equipment after the heating of built-in system temperature recovers to normal temperature
Shut down, the pressure after now shutting down is both accurate balance pressure.
Dimension can be greatly shortened in the pressure that about restored balance in 15 minutes by above-mentioned technical proposal the utility model
Shield, maintenance, the time of breakdown judge, the influence because of plant maintenance, maintenance, failure to the equipment that forms a complete production network is minimized.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the utility model structural representation.
Embodiment
Reference picture 1, that show the concrete structure of the preferred embodiment of the utility model.It will be detailed below this reality
With the design feature of new each part, and it is with shown in Fig. 1 if being described to during direction (upper and lower, left and right, before and after)
Structure be that with reference to describing, but actual use direction of the present utility model is not limited thereto.
The utility model provide a kind of pressure that can quickly restore balance ultralow temperature steam trapping pumping system, including provided with
The refrigerant pipeline of compressor 1 and oil eliminator 2 and the cold-trap pipeline 3 being located in external vacuum equipment, the refrigerant pipeline is through oil
Be divided into after separator 2 directly flow back to the first pipeline 4 of the suction line of compressor 1, flow through successively cold-trap pipeline 3, heat exchanger it is cold
The second pipeline 7 of the suction line of compressor 1 is accessed after side, the cold side of regenerator 5 and flows through the hot side of regenerator 5 successively, change
Imported after the hot side of hot device on the 3rd pipeline 6 of cold-trap pipeline 3, the 3rd pipeline 6 between oil eliminator 2 and regenerator 5 according to
It is secondary to be provided with water-cooled condenser 8 and device for drying and filtering 9.What the heat exchanger included being located between regenerator 5 and cold-trap pipeline 3 first changes
Hot device 10, the 3rd pipeline 6 connects the first gas-liquid separator 11, the first gas-liquid separator after the hot side of regenerator 5 is flowed through
11 will separate by the refrigerant of water-cooled condenser 8 and the condensed gas-liquid two-phase of regenerator 5, and gaseous refrigerant is low boiling system
Cryogen, liquid refrigerant is higher boiling refrigerant, and the first gas-liquid separator 11 separates the first gas pipeline of access gas tank 12
13rd, the second gas pipeline 14 of the access hot side of First Heat Exchanger 10 and the second pipeline of remittance 7 are so as to flow through First Heat Exchanger 10
First liquid line 15 of cold side, the first gas pipeline 13 is provided with the first control valve 16, when equipment starts or the row of operation
When atmospheric pressure is higher than setting value, the first control valve 16, which is opened, leaks into unnecessary high-pressure gaseous refrigerant in gas tank 12, works as pressure
The first control valve 16 is closed during less than setting value, to ensure equipment pressure duct pressure in rational pressure limit value.It is described
The second control valve 17 and first throttle device 18, the second control valve when equipment is normally run are sequentially provided with first liquid line 15
17 are in open mode, the second control valve 17 is closed when device activation restores balance pressure functional interrupt its normal refrigeration and change
Thermal cycle, first throttle device 18 first gas-liquid separator 11 is separated after liquid refrigerant throttling after enter First Heat Exchanger
The condensation of 10 cold sides enters the gaseous refrigerant of the hot side of First Heat Exchanger 10 by the first gas-liquid separator 11 and then passes through regenerator 5
Cold side returns to the suction inlet of compressor 1.The gas tank 12 passes through the access of pressure relief pipe 20 first provided with second throttling device 19
Pipeline 4, the gaseous refrigerant for being stored into gas tank 12 slowly flows back to refrigerating circulation.
Wherein, second pipeline 7 is provided with the 3rd control valve.3rd control valve includes being sequentially arranged at the second pipeline
Defrosting manual isolation valve 21 and defrosting magnetic valve 22 on 7, open shape is in when equipment is run during defrosting manual isolation valve 21
State, when being in cold-trap in external vacuum equipment and needing defrosting, opens defrosting magnetic valve 22, the high temperature after compressor 1 compresses is high
Compression refrigerant enters cold-trap pipeline 3 in vacuum equipment, and it is heated and then passes through heat exchanger cold side by the 4th control valve 39, return
The hot cold side of device 5, the suction line of compressor 1 is returned to, when the temperature of cold-trap reaches setting value, defrosting magnetic valve 22 is closed.
The heat exchanger includes the second heat exchanger 23 being located between First Heat Exchanger 10 and cold-trap pipeline 3, flows through first and changes
The second gas pipeline 14 of the hot hot side of device 10 connects the second gas-liquid separator 24, and the second gas-liquid separator 24 will be by the first heat exchange
The refrigerant separation of the condensed gas-liquid two-phase of device 10, gaseous refrigerant is low boiling point refrigerant, and liquid refrigerant is higher boiling
Refrigerant, the second gas-liquid separator 24 separates the third gas pipeline 25 of the access hot side of the second heat exchanger 23 and imports the second pipeline
7 so that flow through the second liquid pipeline 26 of the cold side of the second heat exchanger 23, and second liquid pipeline 26 is provided with the 3rd throttling arrangement 27.
3rd throttling arrangement 27 second gas-liquid separator 24 is separated after liquid refrigerant throttling after enter the cold side of the second heat exchanger 23
Condensation enters the gaseous refrigerant of the hot side of the second heat exchanger 23 by the second gas-liquid separator 24, subsequently into First Heat Exchanger 10
Cold side, the cold side of regenerator 5 return to the suction line of compressor 1.The heat exchanger includes being located at the second heat exchanger 23 and cold-trap pipeline 3
Between the 3rd heat exchanger 28, flow through the hot side of the second heat exchanger 23 third gas pipeline 25 connection liquid trap 29, liquid trap 29 will
Assemble by the refrigerant of the condensed gas-liquid two-phase of the second heat exchanger 23, liquid trap 29 separates the access hot side of the 3rd heat exchanger 28
The 3rd liquid line 30 and the second pipeline 7 is imported to flow through the 4th liquid line 31 of the cold side of the 3rd heat exchanger 28, the 4th
Liquid line 31 is provided with the 4th throttling arrangement 32, and the 4th throttling arrangement 32 throttles the liquid refrigerant separated from liquid trap 29
Enter the refrigerant that the cold side evaporative condenser of the 3rd heat exchanger 28 enters the 3rd heat exchanger hot side by liquid collecting 24 afterwards, subsequently into the
Two switching heat-exchangers 23, the cold side of First Heat Exchanger 10, the cold side of regenerator 5 return to the suction line of compressor 1.Second pipeline 7 according to
It is secondary to flow through cold-trap pipeline 3, the cold side of the 3rd heat exchanger 28, the cold side of the second heat exchanger 23, the cold side of First Heat Exchanger 10, backheat
The suction line of compressor 1 is accessed after the cold side of device 5, second pipeline 7 is between cold-trap pipeline 3 and the 3rd heat exchanger 28 provided with the
Four control valves 39.The heat exchanger included cold heat exchanger 40, and the 3rd liquid line 30 is flowed after the hot side of cold heat exchanger 40
Separate the 5th liquid line 33 for importing cold-trap pipeline 3 and stream the access cold side of the 3rd heat exchanger 28 after the cold side of cold heat exchanger 40
The 6th liquid line 34, the 5th liquid line 33 be provided with the 5th control valve and the 5th throttling arrangement 35, the described 5th
Control valve includes the refrigeration manual isolation valve 37 being sequentially arranged on the 5th liquid line 33 and refrigeration magnetic valve 38, and equipment is normally transported
The manual isolation valve 37 that freezes during row is in open mode, when the cold-trap pipeline 3 for being in external vacuum equipment needs cooling trapping true
During vapour molecule in Altitude, the liquid that the refrigeration throttling arrangement 35 of magnetic valve 38 the 5th will be separated from the 4th heat exchanger hot side is opened
Enter outside cold-trap pipeline 3 after the throttling of state refrigerant to cool to it and then cold by the 3rd heat exchanger by the 4th control valve 39
Side, the second heat exchanger cold side, First Heat Exchanger cold side, the cold side of regenerator 5, return to the suction line of compressor 1, the 6th liquid
Pipeline 34 is provided with the 6th throttling arrangement 36.The liquid refrigerant that 6th throttling arrangement 36 will be separated from the mistake hot side of cold heat exchanger 40
Enter the cold side evaporation supercooling of supercooling heat exchanger 40 after throttling and the hot side of cold heat exchanger 40 was entered by the hot side of the 3rd heat exchanger 28
Refrigerant, it is cold subsequently into the cold side of the 3rd heat exchanger 28, the cold side of the second switching heat-exchanger 23, the cold side of First Heat Exchanger 10, regenerator 5
Side returns to the suction line of compressor 1.
First control valve 16 is pressure release electromagnetic valve, and the 4th control valve 39 is backflow defrosting manual isolation valve.
Operation principle of the present utility model：
1. the discharge oil-containing high pressure-temperature non-azeotropic refrigerant of compressor 1 is separated by oil in ultralow temperature steam catches pumping system
It is divided into three tunnels after device 2, wherein, the second pipeline 7 enters the tunnel of water-cooled condenser 8 one connection defroster duct, is changed into condenser condensation
Enter regenerator 5 after device for drying and filtering 9 after heat to condense with the heat exchange of return-air low temperature refrigerant, it is rear to enter the first gas-liquid separator
11。
2. the first pipeline 4 is the return line in oil eliminator 2, it is connected with the intake line of compressor 1, works as oil eliminator
Oil in 2 runs up to its internal oil level control ball-cock assembly after certain altitude and opened, and oil is returned by the suction line of compressor 1
To compressor 1.
3. the refrigerant of the 3rd pipeline HTHP enters outside true by defrosting manual isolation valve 21, defrosting magnetic valve 22
The cold-trap pipeline 3 of null device is given the pipeline in ultra low temperature state to carry out heating and risen again, and allows its pipeline to fill air in vacuum equipment
Before return to normal temperature knot condensed water or frost exempted from pipe surface, the refrigerant after cold-trap pipeline 3 is through the 4th control valve 39（Backflow
Manual isolation valve）The cold side of the 3rd heat exchanger 28 is returned to entering the system of the cold side of the 3rd heat exchanger 28 evaporation through the 4th throttling arrangement 32
Cryogen converges returns to the suction side of compressor 1 through the cold side of the second heat exchanger 23, the cold side of First Heat Exchanger 10, the cold side of regenerator 5.
4. when equipment detect compressor discharge pressure it is too high when, the first control valve 16 is opened is discharged into storage by some refrigerant
Gas tank 12, the refrigerant into gas tank 12 by second throttling device 19 slowly returns to the suction side of compressor 1.
5. the non-azeotropic refrigerant for the vapour-liquid binary states for entering the first gas-liquid separator 11 is separated, the refrigerant of liquid passes through
Enter the evaporation endothermic of First Heat Exchanger 10 after second control valve 17 and first throttle device 18, then returned after regenerator 5
To compressor suction side,
6. the vaporized refrigerant after the separation of the first gas-liquid separator 11 is than passing through the liquid system of first throttle device 18
The refrigerant of cryogen low boiling point, its point of two-way enters gas tank 12 by the first control valve 16 all the way, and first is entered all the way and is exchanged heat
Device 10 and the refrigerant heat exchanger for entering the evaporation of the cold side of First Heat Exchanger 10 through first throttle device 18, it is rear to enter the second gas-liquid separation
Device 24.
7. the non-azeotropic refrigerant for the vapour-liquid binary states for entering the second gas-liquid separator 24 is separated, the refrigerant of liquid passes through
Enter the evaporation endothermic of the second heat exchanger 23 after 3rd throttling arrangement 27, then exchanged heat with entering first by first throttle device 18
The evaporated refrigerant of device 10 is converged returns to the suction side of compressor 1 through regenerator 5,
8. the vaporized refrigerant ratio after the separation of the second gas-liquid separator 24 passes through the liquid refrigeration of the 3rd throttling arrangement 27
The refrigerant of agent low boiling point, it enters the hot side of the second heat exchanger 23 with entering the cold side of the second heat exchanger 23 through the 3rd throttling arrangement 27
The refrigerant heat exchanger of evaporation, it is rear to enter liquid trap 29.
9. the refrigerant for entering liquid trap 29 is divided into two-way outlet, enter the 3rd heat exchanger through the 4th throttling arrangement 32 all the way
28 cold side evaporation endothermics, then converge through first with entering the evaporated refrigerant of the second heat exchanger 23 by the 3rd throttling arrangement 27
Heat exchanger 10, regenerator 5 return to the suction side of compressor 1.
10. another road refrigerant enters the hot side of the 3rd heat exchanger 28 with entering the 3rd heat exchanger 28 through the 4th throttling arrangement 32
The refrigerant heat exchanger of cold side evaporation, then entered back into cold heat exchanger 40.
11. entering refrigerant of the cold heat exchanger 40 by supercooling is divided into two-way outlet, all the way through the 6th throttling arrangement 36
Into cold heat exchanger 40 evaporate the refrigerant for entering the hot side of cold heat exchanger 40 through the hot side of the 3rd heat exchanger 28 be subcooled
Heat exchange, then converges cold through the second heat exchanger 23 with the evaporated refrigerant by the 4th throttling arrangement 32 into the 3rd heat exchanger 28
Side, the cold side of First Heat Exchanger 10, the cold side of regenerator 5 return to the suction side of compressor 1,
12. another road refrigerant enters outer by refrigeration manual isolation valve 37, refrigeration magnetic valve 38, the 5th throttling arrangement 35
The cold-trap pipeline 3 of portion's vacuum equipment holds evaporation endothermic and cooled to cold-trap pipeline, and the cold-trap surface after cooling reaches ultralow temperature
Start the vapour molecule in the vacuum environment residing for trapping, returned to by the refrigeration trap of cold-trap pipeline 3 after the 4th control valve 39
The cold side of 3rd heat exchanger 28 is converged through second with entering the refrigerant of the cold side of the 3rd heat exchanger 28 evaporation through the 4th throttling arrangement 32
The cold side of heat exchanger 23, the cold side of First Heat Exchanger 10, the cold side of regenerator 5 return to compressor suction side.
13. when equipment, which is in low-temperature condition, needs to check balance pressure, vacuum equipment residing for cold-trap pipeline 3 is taken out very
Sky, closes the second control valve 17, opens defrosting magnetic valve 22, the high-temperature high-pressure refrigerant discharged with compressor 1 is to cold-trap pipeline 3
Heating, because in vacuum environment at cold-trap pipeline 3, its heat energy only has a small amount of loss, by the hot refrigerant of cold-trap pipeline 3
Enter the cold side of the 3rd heat exchanger 28 with entering the system that the 3rd heat exchanger 28 evaporates through the 4th throttling arrangement 32 through the 4th control valve 39
Cryogen converges returns to compressor suction side through the second heat exchanger 23, the cold side of First Heat Exchanger 10, the cold side of regenerator 5, and these are hot
Refrigerant heats the purpose for reaching heating to the pipeline, the heat exchanger that are flowed through.
14. the liquid refrigeration under the pressure state that restores balance after equipment pipeline, heat exchanger heating under original low-temperature condition
Agent can be caused device compressor discharge pressure high by thermal evaporation, be controlled when equipment detects when pressure at expulsion reaches setting value first
Valve 16 processed is opened in the unnecessary gaseous coolant in part deposit gas tank 12, when equipment detects when pressure at expulsion drops to setting value the
One control valve 16 is closed.
15. when equipment, which detects internal temperature, reaches setting value, closing restores balance pressure functional and by equipment downtime,
It is balance pressure to observe its pressure after equipment high-low pressure is stable, and whole press process of recovering can be completed in 15 minutes.
Certainly, the invention is not limited to above-mentioned embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application
In claim limited range.
Claims (10)
1. a kind of ultralow temperature steam trapping pumping system of pressure that can quickly restore balance, it is characterised in that：Including provided with compressor
With the refrigerant pipeline and the cold-trap pipeline being located in external vacuum equipment of oil eliminator, the refrigerant pipeline divides after oil eliminator
Into directly flowing back to the first pipeline of compressor suction line, flow through cold-trap pipeline, the cold side of heat exchanger, the cold side of regenerator successively
The second pipeline of compressor suction line is accessed afterwards and imports cold-trap after flowing through the hot side of regenerator, the hot side of heat exchanger successively
3rd pipeline of pipeline, the heat exchanger includes the First Heat Exchanger being located between regenerator and cold-trap pipeline, the 3rd pipeline
The first gas-liquid separator is connected after the hot side of regenerator is flowed through, the first gas-liquid separator separates the first gas of access gas tank
Pipeline, the second gas pipeline for accessing First Heat Exchanger hot side and the second pipeline of remittance are so as to flow through First Heat Exchanger cold side
First liquid line, the first gas pipeline is provided with the first control valve, first liquid line and is sequentially provided with second
Control valve and first throttle device, the gas tank access the first pipeline by the pressure relief pipe provided with second throttling device.
2. the ultralow temperature steam trapping pumping system of the pressure according to claim 1 that can quickly restore balance, it is characterised in that：
Second pipeline is provided with the 3rd control valve.
3. the ultralow temperature steam trapping pumping system of the pressure according to claim 2 that can quickly restore balance, it is characterised in that：
3rd control valve includes the defrosting manual isolation valve being sequentially arranged on the second pipeline and defrosting magnetic valve.
4. the ultralow temperature steam trapping pumping system of the pressure according to claim 1 that can quickly restore balance, it is characterised in that：
The heat exchanger includes the second heat exchanger being located between First Heat Exchanger and cold-trap pipeline, flows through the second of First Heat Exchanger hot side
Gas piping connects the second gas-liquid separator, and the second gas-liquid separator separates the third gas pipeline of the second heat exchanger hot side of access
With the second pipeline is imported so as to flow through the second liquid pipeline of the second heat exchanger cold side, second liquid pipeline is provided with the 3rd throttling
Device.
5. the ultralow temperature steam trapping pumping system of the pressure according to claim 4 that can quickly restore balance, it is characterised in that：
The heat exchanger includes the 3rd heat exchanger being located between the second heat exchanger and cold-trap pipeline, flows through the 3rd of the second heat exchanger hot side
Gas piping connect liquid trap, liquid trap separate access the 3rd heat exchanger hot side the 3rd liquid line and import the second pipeline from
And the 4th liquid line of the 3rd heat exchanger cold side is flowed through, the 4th liquid line is provided with the 4th throttling arrangement, second pipe
Road flows through cold-trap pipeline, the cold side of the 3rd heat exchanger, the cold side of the second heat exchanger, the cold side of First Heat Exchanger, regenerator successively
Cold side after access compressor suction line, second pipeline between cold-trap pipeline and the 3rd heat exchanger provided with the 4th control
Valve.
6. the ultralow temperature steam trapping pumping system of the pressure according to claim 5 that can quickly restore balance, it is characterised in that：
The heat exchanger included cold heat exchanger, and the 3rd liquid line stream is separated after the hot side of cold heat exchanger imports cold-trap pipeline
5th liquid line and stream access the 6th liquid line of the 3rd heat exchanger cold side, the 5th liquid after cold heat exchanger cold side
Body pipeline is provided with the 5th control valve and the 5th throttling arrangement, and the 6th liquid line is provided with the 6th throttling arrangement.
7. the ultralow temperature steam trapping pumping system of the pressure according to claim 6 that can quickly restore balance, it is characterised in that：
5th control valve includes the refrigeration manual isolation valve being sequentially arranged on the 5th liquid line and refrigeration magnetic valve.
8. the ultralow temperature steam trapping pumping system of the pressure according to claim 1 that can quickly restore balance, it is characterised in that：
Water-cooled condenser is provided with 3rd pipeline between oil eliminator and regenerator.
9. the ultralow temperature steam trapping pumping system of the pressure according to claim 8 that can quickly restore balance, it is characterised in that：
Device for drying and filtering is provided with 3rd pipeline between water-cooled condenser and regenerator.
10. the ultralow temperature steam trapping pumping system of the pressure according to claim 5 that can quickly restore balance, its feature exists
In：First control valve is pressure release electromagnetic valve, and the 4th control valve is backflow defrosting manual isolation valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621424121.XU CN206430395U (en) | 2016-12-22 | 2016-12-22 | A kind of ultralow temperature steam trapping pumping system of the pressure that can quickly restore balance |
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| CN201621424121.XU CN206430395U (en) | 2016-12-22 | 2016-12-22 | A kind of ultralow temperature steam trapping pumping system of the pressure that can quickly restore balance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766297A (en) * | 2016-12-22 | 2017-05-31 | 广州协义自动化科技有限公司 | A kind of ultralow temperature steam trapping pumping system of the pressure that can quickly restore balance |
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2016
- 2016-12-22 CN CN201621424121.XU patent/CN206430395U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766297A (en) * | 2016-12-22 | 2017-05-31 | 广州协义自动化科技有限公司 | A kind of ultralow temperature steam trapping pumping system of the pressure that can quickly restore balance |
| CN106766297B (en) * | 2016-12-22 | 2019-08-16 | 广州协义自动化科技有限公司 | A kind of ultralow temperature steam trapping pumping system for the pressure that can quickly restore balance |
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