CN107367084B - A kind of wave rotor formula Multi-Stage Refrigerator - Google Patents
A kind of wave rotor formula Multi-Stage Refrigerator Download PDFInfo
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- CN107367084B CN107367084B CN201710766787.6A CN201710766787A CN107367084B CN 107367084 B CN107367084 B CN 107367084B CN 201710766787 A CN201710766787 A CN 201710766787A CN 107367084 B CN107367084 B CN 107367084B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/06—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders
- F25B9/065—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders using pressurised gas jets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/10—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point with several cooling stages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/005—Gas cycle refrigeration machines using an expander of the rotary type
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
A kind of wave rotor formula Multi-Stage Refrigerator, belongs to gas expansion refrigeration technology field.This refrigeration machine is mainly made of casing, left end cap, right end cap, wave rotor, central axis, high pressure admission nozzle, middle pressure gas jets and driving mechanism etc..The refrigeration machine can make pressed gas form 2-8 unsteady expansion in machine in structure, effectively increase the refrigerating efficiency under high pressure ratio.Pass through the extension to complete machine structure and changing end cover structure makes refrigeration machine realize multiple expansion of the gas in machine, the multiple expansion refrigeration to gas is realized with this;Both ends open oscillating tube structure used by the machine can be such that refrigeration machine operates normally in the biggish situation of working medium water capacity;The refrigeration machine is to realize cold and hot isolated gas expansion refrigerating plant using the movement of unsteady pressure wave in oscillating tube;And the expansion work generating to high pressure gas expansion is recycled in the form of pressure energy to improve refrigerating efficiency.
Description
Technical field
It is mechanical that the present invention relates to a kind of wave rotor formula multi-stage refrigeratings, belongs to gas expansion refrigeration technology field.
Background technique
Gas wave refrigeration technology is the refrigeration application technology risen the 1980s, and gas wave machine is using in oscillating tube
The UNSTEADY FLOW of gas wave realizes cold and hot isolated gas expansion refrigerating machine.
Current gas wave refrigeration technology is mainly used in the liquefaction separation of mixed gas, lighter hydrocarbons is recycled in oil gas, is natural
The fields such as gas liquefaction and generation low temperature cold air flow source.Compared with common turbo-expander, air wave refrigerating device has Operation and Maintenance
Easy, high reliability.It often needs to be depressured in the treatment process of natural gas, the processing of cooling and dewatered clean.When required
When pressure drop is larger, common single-stage air wave refrigerating device is more difficult to meet duty requirements, it is therefore desirable to invent a kind of multi-stage gas wave refrigeration
Machine is to meet the refrigeration demand under high pressure ratio under process conditions.
Current air wave refrigerating device majority belong to primary unsteady swell refrigeration (such as Chinese patent 87101903.5,
89213744.4,90222999.0 etc.) expansion ratio, being applicable in is typically in the range of between 2~4.If necessary to bigger refrigeration
Temperature, their constant entropy refrigerating efficiency have decline by a relatively large margin.Therefore it is big to meet to need to invent a kind of Multi-Stage Refrigerator
Refrigeration demand under pressure ratio operating condition.There was only a seed type (Chinese patent 96115022.X) at present about multi-stage gas wave refrigerator,
Its using form open at one end oscillating tube, although the multi-stage refrigerating under high pressure ratio may be implemented, in the course of work
In will appear hydrops phenomenon, can also oscillating tube be caused to be broken when serious.Machine volume is larger and radiates during the work time relatively slow.
If freezed using the more concatenated forms of machine, although each expansion ratio can greatly reduce,
It is not recycled effectively to the pressure energy of gas, invests larger and machine land occupation and increase.If matched between at different levels
If bad, overall efficiency can also be reduced.Therefore highly effective refrigeration can be realized under high pressure ratio, have by developing a kind of refrigeration machine
Imitating ground pressure recovery energy and machine is avoided to generate hydrops in the process of running becomes the pass that current gas wave refrigeration technology is studied
Key problem.
Summary of the invention
In order to overcome problems of the prior art, the present invention provides a kind of wave rotor formula Multi-Stage Refrigerator.In machine
Structure on, be circumferentially with 30-280 oscillating tubes parallel with its axis in the ring of wave rotor, make gas in wave rotor into
Row 2-8 times unsteady expansion realizes the gas refrigeration under high pressure ratio with this.Pass through the expansion work generated to high pressure gas expansion
It is recycled in the form of pressure energy, improves the refrigerating efficiency of gas wave machine.Oscillating tube uses the form of both ends open, can be effective
Liquid trend is controlled, the hydrops problem of single port oscillating tube is avoided.
The technical solution adopted by the present invention is that: a kind of wave rotor formula Multi-Stage Refrigerator, it includes casing, left end cap and right end
Lid, it further includes that wave rotor, central axis, high pressure admission nozzle, middle pressure gas jets and driving mechanism, the wave rotor pass through spiral shell
Bolt is fixed on the circular disk of central axis, and wave rotor is placed in left end and is equipped in the casing of right end cap equipped with left end cap, right end, left
Two bearings are respectively provided between end cap and the left end shaft of central axis between right end cap and the right end axis of central axis as support;Institute
Stating ring on wave rotor, circumferentially multiple prismatic oscillating tubes are enclosed in setting one, and 2-8 high pressure admission is disposed on left end cap
Chamber, 2-8 cryopumping chamber, 2-8 high pressure admission chamber and 2-8 cryopumping chamber are disposed with 2-8 on right end cap
Pressure air cavity and 2-8 low-pressure admission chamber in middle pressure air cavity, 2-8 low-pressure admission chamber, 2-8;The high pressure admission nozzle
2-8 high pressure admission nozzle be individually fixed on left end cap by screw, pressure gas in the 2-8 of medium pressure exhaust nozzle
Nozzle is individually fixed on right end cap by screw, the circumferential center line and vibration of the high pressure admission nozzle and middle pressure gas jets
The end face circumferential direction center line end for swinging pipe is consistent;The table plane of the static high pressure admission nozzle and middle pressure gas jets with
It must control fit clearance between the transverse plane of the oscillating tube of the wave rotor of rotation;The driving mechanism passes through shaft coupling using motor
Wave rotor on driving central axis rotates in casing.
The refrigeration machine have 2-8 high pressure admission nozzle so that gas carried out in refrigeration machine 2-8 times it is unsteady swollen
It is swollen.
30-280 oscillating tube is provided on the wave rotor.
The medicine have the advantages that simplifying the structure of machine, be conducive to installation and debugging.This both ends open pressure oscillation
The components of control cold mainly include casing, left end cap, right end cap, wave rotor, central axis, high pressure admission nozzle, middle pressure
Gas jets and driving mechanism, wave rotor are integrated always with central axis two, operate synchronously.
Gas wave machine of the present invention is by the 2-8 expansion to pressed gas, so that the temperature of gas reduces pressure
Decline realizes 2-8 refrigeration of gas.Complete machine can realize 4~20 expansion ratio simultaneously, so that complete machine is suitable under high pressure ratio
Gas refrigeration.
The expansion work that refrigeration machine of the present invention generates when can be by high pressure gas expansion passes in pipe itself by shock wave
Low-pressure gas after expansion makes original gas pressure increase the pressure grade for improving gas, so that the gas after pressure rise
It can realize in machine and expand next time.Expansion work is recycled in the form of pressure energy, considerably reduces system entirety
The refrigerant pressure loss of energy, to improve the refrigerating efficiency of system.
The high temperature that gas wave machine of the present invention can be discharged pressure air cavity in process by being located at external cooler
Gas is cooled down, the effective radiating efficiency for improving machine.
Gas wave machine of the present invention uses the oscillating tube of both ends open form, when the gas water capacity of required refrigeration is big
When, gas will appear condensation phenomenon in oscillating tube during swell refrigeration, the liquid condensed out can pass through the both ends of vibrating tube
Outside discharge pipe, the band liquid that complete machine can be realized is run.
Detailed description of the invention
Fig. 1 is a kind of work flow diagram of wave rotor formula two-stage refrigeration machine.
Fig. 2 is a kind of structure chart of wave rotor formula two-stage refrigeration machine.
Fig. 3 is a kind of left side end cap structure chart of wave rotor formula two-stage refrigeration machine.
Fig. 4 is a kind of right side end cap structure chart of wave rotor formula two-stage refrigeration machine.
Fig. 5 is the A-A cross-sectional view in Fig. 2.
Fig. 6 is the B-B cross-sectional view in Fig. 2.
Fig. 7 is a kind of left side end cap structural schematic diagram of wave rotor formula two-stage refrigeration machine.
Fig. 8 is a kind of left side end cap structural schematic diagram of six grades of refrigeration machines of wave rotor formula.
Fig. 9 is a kind of left side end cap structural schematic diagram of eight grades of refrigeration machines of wave rotor formula.
In figure: 1,2 grade first high pressure admission nozzle, 2,2 grade of first cryopumping chamber, 3,2 grades of second high pressure admission nozzles,
4,2 grade of second cryopumping chamber, 5, wave rotor, 6, oscillating tube, 7,2 grade of second low-pressure admission chamber, 8, throttle valve, 9, level-one cooling
Device, pressure gas jets in 10,2 grade first, 11,2 grade of first low-pressure admission chamber, pressure gas jets in 12,2 grade second, 13, second level
Cooler, 14, first-class heat exchanger, 15,2 grade of second high pressure admission chamber, 16, left side bearing (ball) cover, 17, bearing, 18,2 grade first
High pressure admission chamber, 19, left end cap, 20, casing, pressure air cavity in 21,2 grade second, 22, motor, 23, shaft coupling, 24, right-hand axis
Socket end lid, 25, right end cap, pressure air cavity in 26,2 grade first, 27, bolt, 28, central axis, 28a, circular disk, a10, 6 grade
One high pressure admission chamber, a11, 6 grade of first cryopumping chamber, a20, 6 grade of second high pressure admission chamber, a21, 6 grade of second cryopumping chamber,
a30, 6 grades of third high pressure admission chambers, a31, 6 grades of third cryopumping chambers, a40, 6 grade of the 4th high pressure admission chamber, a41, 6 grade the 4th it is low
Warm discharge chamber, a50, 6 grade of the 5th high pressure admission chamber, a51, 6 grade of the 5th cryopumping chamber, a60, 6 grade of the 6th high pressure admission chamber, a61、6
The 6th cryopumping chamber of grade, b10, 8 grade of first high pressure admission chamber, b11, 8 grade of first cryopumping chamber, b20, 8 grade of second high pressure into
Air cavity, b21, 8 grade of second cryopumping chamber, b30, 8 grades of third high pressure admission chambers, b31, 8 grades of third cryopumping chambers, b40, 8 grade
Four high pressure admission chambers, b41, 8 grade of the 4th cryopumping chamber, b50, 8 grade of the 5th high pressure admission chamber, b51, 8 grade of the 5th cryopumping chamber,
b60, 8 grade of the 6th high pressure admission chamber, b61, 8 grade of the 6th cryopumping chamber, b70, 8 grade of the 7th high pressure admission chamber, b71, 8 grade the 7th it is low
Warm discharge chamber, b80, 8 grade of the 8th high pressure admission chamber, b81, 8 grade of the 8th cryopumping chamber.
Specific embodiment
Present invention combination the drawings and specific embodiments are described further the two-stage refrigeration in the present invention:
Fig. 2,3,4,5,6 show a kind of structure chart of wave rotor formula two-stage refrigeration machine.In figure, this wave rotor formula two-stage
Refrigeration machine includes casing 20, left end cap 19, right end cap 25, wave rotor 5, central axis 28, high pressure admission nozzle, middle pressure gas jets
And driving mechanism.Wave rotor 5 is fixed on the circular disk 28a of central axis 28 by bolt 27, and wave rotor 5 is placed in left end and is equipped with
Left end cap 19, right end are equipped in the casing 20 of right end cap 25, between left end cap 19 and the left end shaft of central axis 28 and right end cap
Two bearings 17 are respectively provided between 25 and the right end axis of central axis 28 as support.Annular is provided with 30-280 on wave rotor 5
Prismatic oscillating tube 6, be disposed on left end cap 19 2 grade of first high pressure admission chamber, 18,2 grade of second cryopumping chamber 4,
2 grade of second high pressure admission chamber, 15,2 grade of first cryopumping chamber 2, is disposed with pressure gas in 2 grade second on right end cap 25
26,2 grade of second low-pressure admission chamber 7 of pressure air cavity in 21,2 grade first of chamber, 11,2 grade first of low-pressure admission chamber.High pressure admission nozzle
2 grade of first the second high pressure admission nozzle of high pressure admission nozzle 1 and 2 grade 3 be individually fixed on left end cap 19 by screw.Middle pressure
Pressure gas jets 12 are individually fixed in right end by screw in pressure gas jets 10 and 2 grade second in 2 grade first of exhaust nozzle
On lid 25, the center line of high pressure admission nozzle and middle pressure gas jets is consistent with the end face center line contraposition of oscillating tube 6.It drives
Motivation structure drives the wave rotor 5 on central axis 28 to rotate in casing 20 using motor 22 by shaft coupling 23, static high pressure
It must be strictly true between 6 transverse plane of oscillating tube on the wave rotor 5 of the side end face and rotation of nozzle of air supply and middle pressure gas jets
Protect fit clearance.
Fig. 1 is a kind of work flow diagram of wave rotor formula two-stage refrigeration machine.When work, motor 22 is driven by central axis 28
Wave rotor 5 rotates, and high pressure gas enters 2 grade of first high pressure admission chamber 18, sequentially enters respectively through 2 grade of first high pressure admission nozzle 1
In the left side port of a oscillating tube 6, the high pressure gas of injection generates expansion work by expansion and passes through shock wave for expansion work
The low-pressure gas in oscillating tube 6 is passed to, increases the temperature and pressure of gas in oscillating tube 6, to improve the pressure of gas
Grade is then discharged by pressure gas jets 12 in 2 grade second, and first-class heat exchanger 14 is entered after the effect of secondary coolers 13
The cryogenic gas reduced with expanded rear temperature carries out Cooling capacity exchanging.
Medium pressure gas temperature after heat exchange reduces, and sequentially enters in oscillating tube 6 and passes through through 2 grade of second high pressure admission nozzle 3
Gas temperature is further decreased after crossing reexpansion effect, by port match, determines the position of 2 grade of second cryopumping chamber 4
It sets, and so that cryogenic gas is passed through 2 grade of second 4 discharge system of cryopumping chamber under differential pressure action.And the another way gas after exchanging heat
Body is reentered in oscillating tube 6 through piping by 2 grade of first low-pressure admission chamber 11.At this time by 2 grade of second high pressure admission nozzle 3 into
The high pressure gas entered generates expansion work and expansion work is passed to the gas in oscillating tube 6 by shock wave by expansion makes it
Temperature and pressure rise, become medium pressure gas, by 2 grade first pressure gas jets 10 enter 2 grade first in pressure air cavity 26 from
And oscillating tube 6 is discharged.Then medium pressure gas drops the temperature and pressure of gas by the effect of level-one cooler 9 and throttle valve 8
It is low, reenter oscillating tube 6 through 2 grade of second low-pressure admission chamber 7, after wave rotor 5 rotates a circle oscillating tube 6 again with 2 grade first
High pressure admission nozzle 1 is connected, and then low-pressure gas prepares next time by merits and demerits journey.
Fig. 7 is a kind of left side end cap structural schematic diagram of wave rotor formula two-stage refrigeration machine.In figure, 2 grade of first high pressure admission
The second high pressure admission of chamber 18 and 2 grade chamber 15 is symmetrically distributed in the end cap of left side, 2 grade of second the first low temperature of cryopumping chamber 4 and 2 grade
Discharge chamber 2 is symmetrically distributed in the end cap of left side, and wherein high pressure admission chamber and cryopumping chamber are in cross-distribution.
Fig. 8 is a kind of left side end cap structural schematic diagram of six grades of refrigeration machines of wave rotor formula.In figure, 6 grade of first high pressure admission
Chamber a10, 6 grade of second high pressure admission chamber a20, 6 grades of third high pressure admission chamber a30, 6 grade of the 4th high pressure admission chamber a40, 6 grade of the 5th high pressure
Inlet chamber a50With 6 grade of the 6th high pressure admission chamber a60It is respectively symmetrically distributed in the end cap of left side, 6 grade of first cryopumping chamber a11、6
The second cryopumping chamber a of grade21, 6 grades of third cryopumping chamber a31, 6 grade of the 4th cryopumping chamber a41, 6 grade of the 5th cryopumping chamber
a51With 6 grade of the 6th cryopumping chamber a61It is respectively symmetrically distributed in the end cap of left side, wherein high pressure admission chamber is in cryopumping chamber
Cross-distribution.The right side end cover structure of six grades of refrigeration machines is similar to left side end cover structure.The course of work of six grades of refrigeration machines and two
The course of work of grade refrigeration machine is similar.
Fig. 9 is a kind of left side end cap structural schematic diagram of eight grades of refrigeration machines of wave rotor formula.In figure, 8 grade of first high pressure admission
Chamber b10, 8 grade of second high pressure admission chamber b20, 8 grades of third high pressure admission chamber b30, 8 grade of the 4th high pressure admission chamber b40, 8 grade of the 5th high pressure
Inlet chamber b50, 8 grade of the 6th high pressure admission chamber b60, 8 grade of the 7th high pressure admission chamber b70With 8 grade of the 8th high pressure admission chamber b80It is right respectively
Title is distributed in the end cap of left side, 8 grade of first cryopumping chamber b11, 8 grade of second cryopumping chamber b21, 8 grades of third cryopumping chambers
b31, 8 grade of the 4th cryopumping chamber b41, 8 grade of the 5th cryopumping chamber b51, 8 grade of the 6th cryopumping chamber b61, 8 grade of the 7th low temperature row
Air cavity b71With 8 grade of the 8th cryopumping chamber b81It is respectively symmetrically distributed in the end cap of left side, wherein high pressure admission chamber and cryopumping
Chamber is in cross-distribution.The right side end cover structure of eight grades of refrigeration machines is similar to left side end cover structure.The course of work of eight grades of refrigeration machines
It is similar to the course of work of two-stage refrigeration machine.
Claims (4)
1. a kind of wave rotor formula Multi-Stage Refrigerator, it includes casing (20), left end cap (19) and right end cap (25), and feature exists
In: it further includes wave rotor (5), central axis (28), high pressure admission nozzle, middle pressure gas jets and driving mechanism, and the wave turns
Sub (5) are fixed on the circular disk (28a) of central axis (28) by bolt (27), and wave rotor (5) is placed in left end equipped with left end
Cover (19), right end is equipped in the casing (20) of right end cap (25), between left end cap (19) and the left end shaft of central axis (28) and the right side
Two bearings (17) are respectively provided between end cap (25) and the right end axis of central axis (28) as support;Ring on the wave rotor (5)
The circumferential one multiple prismatic oscillating tubes (6) of circle of setting, are disposed with 2-8 high pressure admission chamber, 2-8 on left end cap (19)
A cryopumping chamber, 2-8 high pressure admission chamber and 2-8 cryopumping chamber are disposed in 2-8 on right end cap (25)
Pressure air cavity and 2-8 low-pressure admission chamber in pressure air cavity, 2-8 low-pressure admission chamber, 2-8;The high pressure admission nozzle
2-8 high pressure admission nozzle is individually fixed on left end cap (19) by screw, pressure in 2-8 of medium pressure exhaust nozzle
Gas jets are individually fixed on right end cap (25) by screw, the circumferential center of the high pressure admission nozzle and middle pressure gas jets
The end face circumferential direction center line end of line and oscillating tube (6) is consistent;The static high pressure admission nozzle and middle pressure gas jets
Table plane and rotation wave rotor (5) oscillating tube (6) transverse plane between must control fit clearance;The driving mechanism is adopted
With motor (22) rotation in casing (20) by the wave rotor (5) in shaft coupling (23) driving central axis (28).
2. a kind of wave rotor formula Multi-Stage Refrigerator according to claim 1, it is characterized in that: for two-stage refrigeration machine, it is described
2 grade of first high pressure admission chamber (18), 2 grade of second cryopumping chamber (4), 2 grade of second high pressure are disposed on left end cap (19)
Inlet chamber (15), 2 grade of first cryopumping chamber (2), are disposed with pressure air cavity in 2 grade second on right end cap (25)
(21), 2 grade of first low-pressure admission chamber (11), pressure air cavity (26), 2 grade of second low-pressure admission chamber (7) in 2 grade first;The height
2 grade of first high pressure admission nozzle (1) and 2 grade of second high pressure admission nozzle (3) for being pressed into gas jets are individually fixed in by screw
On left end cap (19), pressure gas jets in pressure gas jets (10) and 2 grade second in 2 grade first of medium pressure exhaust nozzle
(12) it is individually fixed on right end cap (25) by screw.
3. a kind of wave rotor formula Multi-Stage Refrigerator according to claim 1, it is characterized in that: the refrigeration machine has 2-8
High pressure admission nozzle, so that gas carries out 2-8 unsteady expansion in refrigeration machine.
4. a kind of wave rotor formula Multi-Stage Refrigerator according to claim 1, it is characterized in that: being arranged on the wave rotor (5)
There are 30-280 oscillating tube (6).
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710766787.6A CN107367084B (en) | 2017-08-31 | 2017-08-31 | A kind of wave rotor formula Multi-Stage Refrigerator |
US16/315,962 US20200191445A1 (en) | 2017-08-31 | 2018-05-02 | A multistage wave rotor refrigerator |
EP18845398.9A EP3489595A4 (en) | 2017-08-31 | 2018-05-02 | Wave rotor-based multi-stage refrigerator |
PCT/CN2018/085286 WO2019041869A1 (en) | 2017-08-31 | 2018-05-02 | Wave rotor-based multi-stage refrigerator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710766787.6A CN107367084B (en) | 2017-08-31 | 2017-08-31 | A kind of wave rotor formula Multi-Stage Refrigerator |
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Publication Number | Publication Date |
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CN107367084A CN107367084A (en) | 2017-11-21 |
CN107367084B true CN107367084B (en) | 2019-07-30 |
Family
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CN201710766787.6A Active CN107367084B (en) | 2017-08-31 | 2017-08-31 | A kind of wave rotor formula Multi-Stage Refrigerator |
Country Status (4)
Country | Link |
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US (1) | US20200191445A1 (en) |
EP (1) | EP3489595A4 (en) |
CN (1) | CN107367084B (en) |
WO (1) | WO2019041869A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107367084B (en) * | 2017-08-31 | 2019-07-30 | 大连理工大学 | A kind of wave rotor formula Multi-Stage Refrigerator |
US11421918B2 (en) | 2020-07-10 | 2022-08-23 | Energy Recovery, Inc. | Refrigeration system with high speed rotary pressure exchanger |
US11397030B2 (en) | 2020-07-10 | 2022-07-26 | Energy Recovery, Inc. | Low energy consumption refrigeration system with a rotary pressure exchanger replacing the bulk flow compressor and the high pressure expansion valve |
CN114427756B (en) * | 2020-09-28 | 2024-02-23 | 中国石油化工股份有限公司 | Wave rotor and rotary heat separator |
US11913696B2 (en) | 2021-06-09 | 2024-02-27 | Energy Recovery, Inc. | Refrigeration and heat pump systems with pressure exchangers |
CN113669309B (en) * | 2021-08-11 | 2022-12-20 | 大连理工大学 | Condensation separation type air wave supercharging device and method |
CN113702432B (en) * | 2021-08-30 | 2022-05-17 | 中国科学院力学研究所 | Test device for refrigerating by utilizing gas pressure energy and control method |
CN114111081A (en) * | 2021-12-26 | 2022-03-01 | 大连理工大学 | Curved channel thermal-insulation type gas wave refrigerator |
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CN1171541A (en) * | 1996-01-12 | 1998-01-28 | 大连理工大学 | Multi-stage gas wave refrigerator |
CN101290174A (en) * | 2008-04-30 | 2008-10-22 | 大连理工大学 | Outer circulation dissipation type air wave refrigerating device |
CN207247611U (en) * | 2017-08-31 | 2018-04-17 | 大连理工大学 | A kind of wave rotor formula Multi-Stage Refrigerator |
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CN1010709B (en) | 1987-03-17 | 1990-12-05 | 华北石油管理局勘察设计院 | Turbulence expansion engine |
CN107367084B (en) * | 2017-08-31 | 2019-07-30 | 大连理工大学 | A kind of wave rotor formula Multi-Stage Refrigerator |
-
2017
- 2017-08-31 CN CN201710766787.6A patent/CN107367084B/en active Active
-
2018
- 2018-05-02 US US16/315,962 patent/US20200191445A1/en not_active Abandoned
- 2018-05-02 EP EP18845398.9A patent/EP3489595A4/en not_active Ceased
- 2018-05-02 WO PCT/CN2018/085286 patent/WO2019041869A1/en unknown
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US5412950A (en) * | 1993-07-27 | 1995-05-09 | Hu; Zhimin | Energy recovery system |
CN1171541A (en) * | 1996-01-12 | 1998-01-28 | 大连理工大学 | Multi-stage gas wave refrigerator |
CN101290174A (en) * | 2008-04-30 | 2008-10-22 | 大连理工大学 | Outer circulation dissipation type air wave refrigerating device |
CN207247611U (en) * | 2017-08-31 | 2018-04-17 | 大连理工大学 | A kind of wave rotor formula Multi-Stage Refrigerator |
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WO2019041869A1 (en) | 2019-03-07 |
EP3489595A1 (en) | 2019-05-29 |
CN107367084A (en) | 2017-11-21 |
US20200191445A1 (en) | 2020-06-18 |
EP3489595A4 (en) | 2019-10-30 |
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