CN206369370U - Oblique flow pressuring expansion refrigerating plant again - Google Patents
Oblique flow pressuring expansion refrigerating plant again Download PDFInfo
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- CN206369370U CN206369370U CN201621323628.6U CN201621323628U CN206369370U CN 206369370 U CN206369370 U CN 206369370U CN 201621323628 U CN201621323628 U CN 201621323628U CN 206369370 U CN206369370 U CN 206369370U
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Abstract
The utility model belongs to gas expansion refrigeration technology field, is related to a kind of oblique flow pressuring expansion refrigerating plant again.The utility model overcomes the thermodynamic disadvantages that traditional air wave refrigerating device pressure energy becomes heat energy, using dual openings pressure-exchange gas wave machine as expanding machine and compression mechanism into cooling flow, first compression supercharging is carried out to refrigeration unstripped gas in oscillating tube with two ports conduit using oscillating tube with two ports pressure-exchange characteristic, direct high efficiente callback utilizes high-pressure refrigeration atmospheric pressure energy, so as to reduce the power consumption of subsequent compression machine, cooling system efficiency is improved.The access ramp design that the utility model oscillating tube with two ports conduit is changed using radius of turn, using transferring shares, rotary centrifugal force throws away the condensing droplet in oscillating tube conduit from cold end mouthful, further increases refrigerating efficiency.The utility model can be widely applied to the fields such as the supply of low temperature cold source of the gas, natural gas in low temperature dehydration, oil gas lighter hydrocarbons recovery.
Description
Technical field
The invention belongs to gas expansion refrigeration technology field, it is related to a kind of oblique flow pressuring expansion refrigerating plant again.
Background technology
Wave swell refrigeration technology has simple in construction, the features such as band liquid service ability is strong, and in lighter hydrocarbons recovery, natural gas is low
The fields such as temperature processing, which are applied, has greater advantage.Current gas wave refrigeration device and technology are substantially divided into two classes, one from structure
Class is fixed single radial cut vibration tubular construction, and by wave energy exchange, the expansion work of gases at high pressure is converted into oscillating tube
The heat energy of viscous flow gas is distributed by tube wall and chamber again, such as patent air wave refrigerating device 89213744.4, encompassing cavity radiating formula gas
Ripple refrigeration machine CN201010107516, drainage balanced type top fill embedded air wave refrigerating device CN201410061539, a kind of contact
Formula sealing inversion type air wave refrigerating device CN201410119687 etc..Another kind of is rotary oscillating tube with two ports structure, by pulse
The wave of high-pressure jet, refrigeration machine is gone out by the gas compression in oscillating tube with two ports conduit, is then carried out in the outside of refrigeration machine
Dissipation of energy, or the low-pressure gas that will rise again returns to pressure recovery in oscillating tube with two ports can be compressed to middle pressure, then
Low, medium pressure gas hot and cold amount is carried out in heat exchanger to exchange, and becomes middle pressure cold air output, such as patent outer circulation dissipation type air wave
Refrigeration machine CN200810011257.1, axial-flow type are pressurized gas wave refrigeration device and refrigerating method CN201310076628, footpath certainly
Streaming is pressurized gas wave refrigeration device and refrigerating method CN201310078579 etc. certainly.
The fixed single radial cut vibration tubular type air wave refrigerating device of the first kind is that expansion work is converted into heat energy to carry out by tube wall
Dissipate, pressure energy is not reclaimed, and capacity usage ratio is not high.Equations of The Second Kind outer circulation dissipation type air wave refrigerating device equally becomes expansion work
Into heat energy, dissipated by external heat exchanger.And axial-flow type takes from gas wave refrigeration device, effective recovery degree of its energy is pressurized
Certainly in external heat exchanger efficiency, it is necessary to sizable heat exchange area, therefore cause the increase of flow resistance, not only consume equipment material
Material, also consumes pressure energy.
In addition, there is gas condensed components liquid discharge opeing in single radial cut oscillating tube and oscillating tube with two ports conduit not ask only
Topic, has a strong impact on the efficiency of gas wave refrigeration.At present, discharge opeing problem is not solved still in oscillating tube with two ports.
The content of the invention
The present invention obtains a kind of by oscillating tube with two ports itself progress pressure-exchange supercharging, directly reclaims gases at high pressure pressure
Power can oblique flow pressuring expansion refrigerating plant and method again.It is by with refrigeration atmospheric pressure be more or less the same it is fresh come gas, first draw
Enter in oscillating tube with two ports, receive after the wave compression supercharging from high pressure gas expansion energy, return out again by outside compressor
High pressure is further pressurized to, then as the high-pressure air source of gas wave refrigeration, enters conduit in the other end of oscillating tube with two ports swollen
It is swollen acting and freeze.So high pressure gas has directly been recycled inside oscillating tube with two ports by way of pressure-exchange
Pressure energy, rather than convert thereof into low-grade or useless heat energy and dissipate in vain.
Designed using rotary drum angled channel, solve the problems, such as the discharge opeing of oscillating tube with two ports conduit, obtain refrigerating efficiency
Further lifting.
Technical scheme：
A kind of oblique flow pressuring expansion refrigerating plant again, it is specific as follows：
1. with the rotation of oscillating tube with two ports, fresh feed carrys out gas by blower unit inside gas wave machine, passes through vibration
Bleed chamber is introduced into oscillating tube conduit on the right side of pipe, while promoting the cold air outlet that cold air is fixed to left end in oscillating tube conduit to arrange
Gas；Oscillating tube with two ports continues to rotate, the high pressure gas jet expansion that conduit left port contraposition is fixed to left end, the left opening of conduit
Receive the fresh feed gas entered before high-pressure jet, dynamic compression from right output port in conduit, be allowed to boost and heat up, high injection
Gas is then freezed because of unsteadiness expansion work；Rotated with the continuation of oscillating tube with two ports, conduit right output port and left port are again
Contraposition right side is calmed the anger outlet in fixing in succession, and the refrigerator that left side is fixed is exported, and will be calmed the anger and swollen in after compression
Low voltage refrigeration gas discharge chan- nels successively after swollen acting.As oscillating tube with two ports constantly rotates, in each groove of its circumferential arrangement
Said process is repeated in road, the expansion work refrigeration of high-pressure jet gas is sequentially completed in oscillating tube with two ports each conduit
And discharge, and fresh feed gas is compressed the process that middle pressure goes out that rises to.
It will be cooled down in the gas feeding external cooler being once pressurized in oscillating tube with two ports, to reduce specific volume saving
Thereafter work done during compression, then deliver to outside condenser and be pressurized again, then the high pressure gas after cooling down as oscillating tube with two ports gas wave refrigeration
Use.
2. to solve the problems, such as discharge opeing in oscillating tube with two ports, refrigerating efficiency is further improved, oblique flow of the present invention is pressurized swollen again
In swollen refrigerating plant and method, the method that oscillating tube with two ports conduit is tilted to processing is employed, i.e., along right output port to left port
Radius of turn gradually increase so that the lime set in conduit is thrown toward the big left end of radius of turn under the action of the centrifugal force, constantly
Mouthful, and as refrigeration gas is together discharged gas conduit, then discharged from the cold air outlet of refrigeration machine.
Beneficial effects of the present invention：Oblique flow of the present invention pressuring expansion refrigerating plant again, due to be intended to refrigeration gas it is first
Introduce oscillating tube with two ports, can carry out first compression supercharging using high-pressure gas pressure, after cooling again by outside condenser again
Supercharging, therefore can be greatly reduced the power consumption of subsequent external compressor, i.e., oblique flow of the present invention pressuring expansion refrigerating plant again, compare the first kind
Gas wave refrigeration technology has higher energy utilization efficiency under same technique, also simpler than Equations of The Second Kind technology, more economy, leads to
Cross oscillating tube internal pressurization and obtain considerable compression ratio, lower cryogenic temperature and higher cooling system efficiency can be obtained.
The present invention is using oscillating tube with two ports is tilted, using centrifugal force during drum rotating, continuously enters to be about to vibration
The drop constantly condensed in tube seat road gets rid of the separation abjection to cold end mouthful, improves the compression efficiency of shock wave in conduit, further
Improve the compression efficiency and refrigerating efficiency of oscillating tube with two ports system.Pressuring expansion refrigerating plant will be with system again for oblique flow of the present invention
Pressure of compressed air be more or less the same it is fresh come gas, be first introduced into oscillating tube with two ports, receive the wave from high pressure gas expansion energy
After compression supercharging, return out and high pressure is further pressurized to by outside compressor again, then as the high-pressure air source of gas wave refrigeration,
The other end of oscillating tube with two ports enters conduit expansion work and freezed.Thus by the mode of pressure-exchange, profit is directly reclaimed
With the pressure energy of high pressure gas, rather than convert thereof into low-grade or useless heat energy and dissipate in vain.Return system high efficiency
High pressure gas expansion work(is received, outside condenser work done during compression is greatly lowered, the refrigerating efficiency of system is substantially improved.Around system
Core component dual openings pressure-exchange gas wave machine constructs Four processes：High pressure gas expansion process of refrigerastion；Oblique oscillating tube conduit
Interior pressurization of gas；Draw/exhaust process in oblique oscillating tube conduit；Outer loop pressurization again.
Brief description of the drawings
Fig. 1 is oblique flow of the present invention pressuring expansion refrigerating plant again, the annexation flow chart of its all parts.
Fig. 2 is oblique flow of the present invention again in pressuring expansion refrigerating plant, core component-dual openings pressure-exchange gas wave machine knot
Structure sketch.
Fig. 3 is dual openings pressure-exchange gas wave machine inner inclination rotary drum sectional view.
Fig. 4 is each port position perspective view inside dual openings pressure-exchange gas wave machine.
In figure：1 intake valve；2 bleed chambers；3 dual openings pressure-exchange gas wave machines；4 high-temperature exhaust air chambers；5 first coolers；6
Compressor；7 second coolers；8 high pressure admission nozzles；9 low temperature discharge chamber；10 cold end air bleeding valves；11 motors；12 shaft couplings
Device；13 bearing A；14 bearing B；15 ramp way oscillating tube with two ports；16 main shafts；17 high temperature nozzle adjustable plates；18 high temperature nozzles；
19 high-temperature support plates；20 air inducing diffusers；21 air inducing impellers；22 air-inducing passages；23 high pressure nozzle adjustable plates；24 high pressures are supported
Plate；25 conduits；26 demarcation strips.
Embodiment
Oblique flow of the present invention pressuring expansion refrigerating plant again, is described as follows one is planting typical embodiment, but not only office
It is limited to such a embodiment：
Oblique flow pressuring expansion refrigerating plant again, pressuring expansion refrigerating plant includes intake valve 1, dual openings pressure to the oblique flow again
Exchange gas wave machine 3, cooler, compressor 6 and cold end air bleeding valve 10；The right-hand member of dual openings pressure-exchange gas wave machine 3 has two to connect
Mouth, respectively bleed chamber 2 and high-temperature exhaust air chamber 4, left end have two interfaces, respectively high pressure admission nozzle 8 and low temperature discharge chamber
9；Intake valve 1 is connected with bleed chamber 2, and high-temperature exhaust air chamber 4 is sequentially passed through after the first cooler 5, the cooler 7 of compressor 6 and second
It is connected with high pressure admission nozzle 8；Low temperature discharge chamber 9 is connected with cold end air bleeding valve 10；
Dual openings pressure-exchange gas wave machine 3 is the core component of device, including access ramp oscillating tube with two ports rotary drum 15, main
Axle 16, high temperature nozzle adjustable plate 17, high temperature nozzle 18, high-temperature support plate 19, blower fan diffuser 20, bleed impeller 21, air inducing lead to
Road 22, high voltage adjusting plate 23, high pressure supporting plate 24；
The driving shaft coupling 12 of motor 11 drives main shaft 16 with access ramp oscillating tube with two ports rotary drum 15 with fixed speed
Rotation；The inside of access ramp oscillating tube with two ports rotary drum 15 have it is multiple with axial restraint angle, all round closure both ends open inclines
Skewed slot road 25；When the conduit 25 of bleed chamber 2 and the right side of access ramp oscillating tube with two ports rotary drum 15 is connected, filled by built-in air inducing
Put, using bleed impeller 21 and the combination of air inducing diffuser 20, air inducing is realized inside dual openings pressure-exchange gas wave machine 3；
Live gas is entered air-inducing passage 22 by air inducing impeller 21 with air inducing diffuser 20 from bleed chamber 2, while providing motive force by groove
The cryogenic gas of last circulation is discharged from cryopumping mouthful 9 in road 25；
Access ramp oscillating tube with two ports rotary drum 15 continues to rotate, after live gas is full of conduit 25, access ramp dual openings
The conduit 25 in the left side of oscillating tube rotary drum 15 is connected with high voltage adjusting plate 23, and the gases at high pressure come out from high pressure admission nozzle 8 pass through
High voltage adjusting plate 23 enters in conduit 25, the live gas of inside is compressed by gases at high pressure, obtains pressure energy；It is new after boosting
Fresh gas passes sequentially through high temperature nozzle adjustable plate 17 and high temperature nozzle 18 sprays, and is directly entered high-temperature exhaust air chamber 4, is calmed the anger in turning into
Body；High pressure admission nozzle 8 is installed in high pressure supporting plate 24；The right side of high pressure admission nozzle 8 is installed by high pressure nozzle adjustable plate 23；It is high
The multiple circular holes opened up in warm supporting plate 19, arrange air-inducing passage 22 thereon, meanwhile, embedded high temperature nozzle on high-temperature support plate 19
18；The left side of high temperature nozzle 18 is provided with high temperature nozzle adjustable plate 17.
After after medium pressure gas discharge dual openings pressure-exchange gas wave machine 3, reduce into the cooling of the first cooler 5 after specific volume,
It is pressurized again into outside condenser 6 and obtains gases at high pressure；Gases at high pressure enter after the cooling of the second cooler 7, again through
High pressure admission nozzle 8 enters dual openings pressure-exchange gas wave machine 3 as high-pressure air source and completes this circulation swell refrigeration, obtains
Refrigerant gas is stayed in access ramp oscillating tube with two ports rotary drum 15；The pressure energy of the inner high voltage gas of conduit 25 is passed in the way of shock wave
Live gas is passed, energy transmission is completed；High pressure gas expansion refrigeration realizes that the first order of fresh desire cold air is compressed simultaneously
Journey；
Circulate next time in, it is double that this circulation is trapped in access ramp by live gas from bleed chamber 2 into air-inducing passage 22
The cold air being open in oscillating tube rotary drum 15 is discharged from cryopumping mouthful 9.So far oblique flow pressuring expansion refrigeration kind of refrigeration cycle again is completed,
High efficiente callback enters the pressure energy emanated from high pressure admission nozzle 8 in conduit 25, reduces outside condenser step-up ratio, improves
System expansion-pressure ratio, improves refrigerating efficiency.
Main shaft 16 in dual openings pressure-exchange gas wave machine 3 is located between high-temperature support plate 19 and high pressure supporting plate 24, point
Do not installed and fixed by bearing A13 and bearing B14.
Radius of turn of the described conduit 25 from right output port to left port gradually increases so that lime set in conduit 25 from
Under mental power function, the big left port of radius of turn is constantly thrown toward, continuously gets rid of the drop constantly condensed in conduit 25 to cold
Port simultaneously separates abjection；Every conduit 25 is all in identical inclination angle with main shaft 16, and tilt angles are 0 °~90 °.
The described border seal of conduit 25, both ends open, channel cross-section is wedge shaped, fan-shaped or circle；Each conduit 25 is oblique
Separated in passage oscillating tube with two ports rotary drum 15 by demarcation strip 26, the thickness 0.1mm-10mm of demarcation strip 26.
Enter access ramp oscillating tube with two ports rotary drum 15, medium pressure gas according to one according to a timing difference to meet gases at high pressure
Timing difference is discharged and discharge low temperature discharge chamber 9 of the cryogenic gas without temperature loss from high temperature nozzle 18, high pressure nozzle adjustable plate
23rd, the sub-assembly of high pressure admission nozzle 8 and high temperature adjustable plate 17, the sub-assembly of high temperature nozzle 18 are expired at the respective side central diameter of conduit 25
The arc length a of foot five relations, i.e. high pressure admission nozzle 8 and the central diameter girth ratio of access ramp oscillating tube with two ports rotary drum 15 where it
0.1~0.5；The opening arc length d of low temperature discharge chamber 9 and the ratio between central diameter girth of access ramp oscillating tube with two ports rotary drum 15 where it
0.5~0.9；The ratio between the arc length b of high temperature nozzle 18 and its central diameter girth of place access ramp oscillating tube with two ports rotary drum 15 0.1~
0.5；The opening arc length c of bleed chamber 2 is with the central diameter girth of access ramp oscillating tube with two ports rotary drum 15 where it than 0.5~0.9；High pressure
The center line of nozzle of air supply 8 is 0 °~180 ° in ring minimum angle Θ with the center line of high temperature nozzle 18.
Described built-in blower unit is replaced with into external blower unit, enters dual openings pressure-exchange gas in live gas
Increase blower fan apparatus before ripple machine 3 and realize external air inducing.
Claims (5)
1. oblique flow pressuring expansion refrigerating plant again, it is characterised in that pressuring expansion refrigerating plant includes intake valve to the oblique flow again
(1), dual openings pressure-exchange gas wave machine (3), cooler, compressor (6) and cold end air bleeding valve (10)；Dual openings pressure-exchange gas
The right-hand member of ripple machine (3) has two interfaces, respectively bleed chamber (2) and high-temperature exhaust air chamber (4), and left end has two interfaces, is respectively
High pressure admission nozzle (8) and low temperature discharge chamber (9)；Intake valve (1) is connected with bleed chamber (2), and high-temperature exhaust air chamber (4) is sequentially passed through
First cooler (5), compressor (6) and the second cooler (7) are connected with high pressure admission nozzle (8) afterwards；Low temperature discharge chamber (9) with
Cold end air bleeding valve (10) is connected；
Dual openings pressure-exchange gas wave machine (3) is the core component of device, including access ramp oscillating tube with two ports rotary drum (15), main
Axle (16), high temperature nozzle adjustable plate (17), high temperature nozzle (18), high-temperature support plate (19), blower fan diffuser (20), bleed impeller
(21), air-inducing passage (22), high voltage adjusting plate (23), high pressure supporting plate (24)；
Motor (11) driving shaft coupling (12) drives main shaft (16) with access ramp oscillating tube with two ports rotary drum (15) with fixation
Speed rotates；Opened inside access ramp oscillating tube with two ports rotary drum (15) with multiple with axial restraint angle, all round closure two ends
The angled channel (25) of mouth；When conduit (25) on the right side of bleed chamber (2) and access ramp oscillating tube with two ports rotary drum (15) is connected,
By built-in blower unit, using bleed impeller (21) and air inducing diffuser (20) combination, in dual openings pressure-exchange gas
Air inducing is realized inside ripple machine (3)；Live gas is entered air inducing by air inducing impeller (21) with air inducing diffuser (20) from bleed chamber (2)
Passage (22), discharges the cryogenic gas of last circulation in conduit (25) from cryopumping mouthful (9) while providing motive force；
Access ramp oscillating tube with two ports rotary drum (15) continues to rotate, after live gas is full of conduit (25), access ramp dual openings
Conduit (25) on the left of oscillating tube rotary drum (15) is connected with high voltage adjusting plate (23), the high pressure come out from high pressure admission nozzle (8)
Gas is entered in conduit (25) by high voltage adjusting plate (23), the live gas of inside is compressed by gases at high pressure, obtains pressure
Energy；Live gas after boosting passes sequentially through high temperature nozzle adjustable plate (17) and high temperature nozzle (18) sprays, and is directly entered high temperature
Discharge chamber (4), as medium pressure gas；High pressure admission nozzle (8) is installed in high pressure supporting plate (24)；High pressure admission nozzle (8)
Right side is installed by high pressure nozzle adjustable plate (23)；The multiple circular holes opened up on high-temperature support plate (19), arrange air-inducing passage thereon
(22), meanwhile, embedded high temperature nozzle (18) on high-temperature support plate (19)；High temperature nozzle regulation is installed on the left of high temperature nozzle (18)
Plate (17)；
After after medium pressure gas discharge dual openings pressure-exchange gas wave machine (3), reduce into the first cooler (5) cooling after specific volume,
It is pressurized again into outside condenser (6) and obtains gases at high pressure；Gases at high pressure enter after the second cooler (7) cooling, again
High-pressure air source is used as into dual openings pressure-exchange gas wave machine (3) by high pressure admission nozzle (8) and completes this circulation expansion system
Cold, obtained refrigerant gas is trapped in access ramp oscillating tube with two ports rotary drum (15)；The pressure of conduit (25) inner high voltage gas
Live gas can be passed in the way of shock wave, energy transmission is completed；High pressure gas expansion refrigeration realizes fresh desire cold air simultaneously
The first order compression process of body；
Circulate next time in, it is double that this circulation is trapped in access ramp by live gas from bleed chamber (2) into air-inducing passage (22)
The cold air being open in oscillating tube rotary drum (15) is discharged from cryopumping mouthful (9)；So far oblique flow pressuring expansion refrigeration refrigeration again is completed
Circulation, conduit (25) interior high efficiente callback enters the pressure energy emanated from high pressure admission nozzle (8), reduces outside condenser boosting
Than improving system expansion-pressure ratio, improving refrigerating efficiency；
Main shaft (16) in dual openings pressure-exchange gas wave machine (3) be located at high-temperature support plate (19) and high pressure supporting plate (24) it
Between, installed fix by bearing A (13) and bearing B (14) respectively.
2. oblique flow according to claim 1 pressuring expansion refrigerating plant again, it is characterised in that described conduit (25) is from the right side
Port gradually increases to the radius of turn of left port so that the lime set in conduit (25) is constantly thrown toward under the action of the centrifugal force
The big left port of radius of turn, the drop constantly condensed in conduit (25) is continuously got rid of to cold end mouthful and separate abjection；Every
Conduit (25) is all in identical inclination angle with main shaft (16), and tilt angles are 0 °~90 °.
3. oblique flow according to claim 1 or 2 pressuring expansion refrigerating plant again, it is characterised in that described conduit (25)
Border seal, both ends open, channel cross-section is wedge shaped, fan-shaped or circle；Each conduit (25) turns in access ramp oscillating tube with two ports
Separated in drum (15) by demarcation strip (26), demarcation strip (26) thickness 0.1mm-10mm.
4. oblique flow according to claim 1 or 2 pressuring expansion refrigerating plant again, it is characterised in that to meet gases at high pressure
Enter access ramp oscillating tube with two ports rotary drum (15), medium pressure gas according to a timing difference from high temperature nozzle (18) according to a timing difference
The discharge low temperature discharge chamber (9) of discharge and cryogenic gas without temperature loss, high pressure nozzle adjustable plate (23), high pressure admission nozzle
(8) sub-assembly meets five with high temperature adjustable plate (17), high temperature nozzle (18) sub-assembly at conduit (25) each side central diameter
The arc length a of relation, i.e. high pressure admission nozzle (8) compares 0.1 with access ramp oscillating tube with two ports rotary drum (15) central diameter girth where it
~0.5；The opening arc length d of low temperature discharge chamber (9) and the ratio between access ramp oscillating tube with two ports rotary drum (15) central diameter girth where it
0.5~0.9；The arc length b of high temperature nozzle (18) and the ratio between access ramp oscillating tube with two ports rotary drum (15) central diameter girth 0.1 where it
~0.5；The opening arc length c of bleed chamber (2) and access ramp oscillating tube with two ports rotary drum (15) central diameter girth where it than 0.5~
0.9；High pressure admission nozzle (8) center line is 0 °~180 ° in ring minimum angle Θ with high temperature nozzle (18) center line.
5. oblique flow according to claim 1 or 2 pressuring expansion refrigerating plant again, it is characterised in that draw built in will be described
Wind apparatus replaces with external blower unit, the increase blower fan apparatus before live gas enters dual openings pressure-exchange gas wave machine (3)
Realize external air inducing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621323628.6U CN206369370U (en) | 2016-12-05 | 2016-12-05 | Oblique flow pressuring expansion refrigerating plant again |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621323628.6U CN206369370U (en) | 2016-12-05 | 2016-12-05 | Oblique flow pressuring expansion refrigerating plant again |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206369370U true CN206369370U (en) | 2017-08-01 |
Family
ID=59392057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621323628.6U Withdrawn - After Issue CN206369370U (en) | 2016-12-05 | 2016-12-05 | Oblique flow pressuring expansion refrigerating plant again |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206369370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595114A (en) * | 2016-12-05 | 2017-04-26 | 中联煤层气有限责任公司 | Oblique flow re-pressurizing expansion refrigeration device and method |
-
2016
- 2016-12-05 CN CN201621323628.6U patent/CN206369370U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595114A (en) * | 2016-12-05 | 2017-04-26 | 中联煤层气有限责任公司 | Oblique flow re-pressurizing expansion refrigeration device and method |
| CN106595114B (en) * | 2016-12-05 | 2019-10-11 | 中联煤层气有限责任公司 | Oblique flow pressuring expansion refrigerating plant and method again |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170801 Effective date of abandoning: 20191011 |