CN106288540B - The processing method of filling body used in the regenerator and regenerator of sterlin refrigerator - Google Patents
The processing method of filling body used in the regenerator and regenerator of sterlin refrigerator Download PDFInfo
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- CN106288540B CN106288540B CN201610764036.6A CN201610764036A CN106288540B CN 106288540 B CN106288540 B CN 106288540B CN 201610764036 A CN201610764036 A CN 201610764036A CN 106288540 B CN106288540 B CN 106288540B
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- cylinder
- regenerator
- circular plate
- stainless steel
- filling body
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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
- F25B40/00—Subcoolers, desuperheaters or superheaters
- F25B40/06—Superheaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses the processing methods of filling body used in a kind of regenerator of sterlin refrigerator and regenerator, it is desirable to provide the processing method of filling body used in a kind of regenerator and regenerator of the sterlin refrigerator that heat exchange efficiency is high.Regenerator includes cylinder and is filled in the intracorporal filling body of cylinder and two mounting racks；Mounting rack includes being located at the first Circular Plate of barrel end, in cylinder and the second Circular Plate that outer rim is bonded with cylinder inboard wall and four connect the first annulus plate end faces and the second Circular Plate outer rim, along the circumferentially uniformly distributed gib block of the first Circular Plate；The internal diameter of first Circular Plate is equal to the outer diameter of the second Circular Plate, and outer diameter is greater than the internal diameter of cylinder；The wall surface of gib block inwardly is concordant with cylinder inboard wall；Cylinder inboard wall is uniformly arranged four guide grooves being slidably matched with gib block；Second Circular Plate of two mounting racks is spaced a distance；Filling body is made of multi-disc stainless steel sintered meshwork or stainless steel sintering felt, is filled in mounting rack respectively.
Description
Technical field
The present invention relates to sterlin refrigerator technical fields, a kind of regenerator more particularly, to sterlin refrigerator and return
The processing method of filling body used in hot device.
Background technique
Sterlin refrigerator is made of two components of expanding machine and compressor, intermediate to be connected by gas-guide tube.With structure
Simply, easy to control, flexible for installation, vibration it is smaller the advantages that, be widely used in the departments such as space flight, military affairs.Expanding machine mainly by
Cold finger, regenerator, step piston, spring and pedestal form.Regenerator and spring form an oscillator, what is transmitted by gas-guide tube
Under the driving of refrigeration working medium pressure wave, oscillator generates resonance, makes the gas of cold finger bottom swelling heat absorption repeatedly, and in regenerator into
Row heat exchange, to generate refrigeration.
Regenerator is also referred to as regenerator, is a kind of regenerative heat exchanger, diabatic process be due to helium regenerator back and forth
It pulses and realizes cooling capacity and store.Filler when helium is from hot end to cold end flow in regenerator is cooling by helium working medium, works as helium
Helium is cooling by the filler in regenerator when gas is flowed from cold end to hot end.Regenerator completes one after primary cold and hot exchange
The heat exchange in period.Sterlin refrigerator generally uses stainless steel cloth as filler at present, and the string diameter of stainless steel cloth is generally wanted
0.03mm or so, therefore its processing and assembly are complicated, especially the packed density of filler is difficult to control, and leads to heat exchange efficiency not
It is high.And filler is extremely inconvenient when taking out cleaning or replacement, and filler is easily caused to damage, and takes out cumbersome.
Summary of the invention
The present invention overcomes the disadvantages of the prior art, provides a kind of convenient for disassembly and assembly, high Stirling system of heat exchange efficiency
The processing method of filling body used in the regenerator and regenerator of cold.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions:
A kind of regenerator of sterlin refrigerator, including cylinder and it is filled in the intracorporal filling body of cylinder；It further includes two
The intracorporal mounting rack of cylinder is symmetrically set in from cylinder both ends respectively；The mounting rack includes being located at the first annulus of barrel end
Plate, in cylinder and the second Circular Plate and four articles of first annulus plate end faces of connection and that outer rim is bonded with cylinder inboard wall
Two Circular Plate outer rims, along the circumferentially uniformly distributed gib block of the first Circular Plate；The internal diameter of first Circular Plate is equal to the second annulus
The outer diameter of plate, outer diameter are greater than the internal diameter of cylinder；The wall surface of the gib block inwardly is concordant with cylinder inboard wall；The cylinder inboard wall
It is uniformly arranged four guide grooves being slidably matched with gib block；Second Circular Plate of two mounting racks is spaced a distance, in cylinder
Interior formation unhurried current mixing chamber；The filling body is made of multi-disc stainless steel sintered meshwork or stainless steel sintering felt, is filled in peace respectively
In shelving.
Preferably, the steel wire diameter of the stainless steel sintered meshwork is the ㎜ of 0.025 ㎜~0.03.
Preferably, the mesh number of the stainless steel sintered meshwork is 220 mesh~500 mesh.
Preferably, stainless steel sintering felt with a thickness of 0.3 ㎜.
Preferably, the steel wire diameter of the stainless steel sintering felt is 0.01 ㎜.
A kind of processing method of filling body used in regenerator comprising following steps:
(1) selected muti-piece stainless steel steel wire is added to the thickness of needs by cloth, or equal with mixed and disorderly stainless steel wire
The even thickness for being taped against needs, then be compacted into tooling, given pressure is 400N-600N, and specific pressure is according to required sintering
Mesh sheet or sintering felt porosity are determined；
(2) stainless steel wire stacked by the stainless steel steel wire of compacting or uniformly is put into vacuum high temperature furnace, heating heating
2-3 hours are kept the temperature to 1250-1400 DEG C, and at this temperature, obtains sintered stainless steel silk screen or stainless steel felt blanket material；
(3) protective gas is passed through in vacuum high temperature furnace, sintering blank is made to cool to room temperature；
(4) sintering blank after cooling is machined to required shape and size, obtains filling body.
Compared with prior art, the present invention has the advantage that
(1) present invention realizes the installation of filling body using mounting rack, the density of filling body filling can be greatly improved, and significant
Improve the speed of filling body dismounting.
(2) filling body of the invention is made of multi-disc stainless steel sintered meshwork or stainless steel sintering felt.Stainless steel sintered meshwork or
Stainless steel, which is sintered felt, has three-dimensional netted porous structure, and porosity is high, and heat exchange surface area is big, and heat exchange efficiency can be greatly improved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the cross-sectional view of A-A in Fig. 1.
Fig. 3 is the cross-sectional view of B-B in Fig. 2.
Fig. 4 is the structural schematic diagram of mounting rack.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the structural schematic diagram of cylinder.
Fig. 7 is the left view of Fig. 6.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
The regenerator of sterlin refrigerator as shown in figs. 1-7, including cylinder 1 and the filling body 2 being filled in cylinder 1；Its
It further include two mounting racks 3 being symmetrically set in from 1 both ends of cylinder in cylinder 1 respectively；The mounting rack 3 includes being located at cylinder
1 the first Circular Plate of end 4, in cylinder 1 and the second Circular Plate 5 that outer rim is bonded with 1 inner wall of cylinder and four articles of connections the
5 outer rim of one Circular Plate, 4 end face and the second Circular Plate, along the circumferentially uniformly distributed gib block 6 of the first Circular Plate 4；First annulus
The internal diameter of plate 4 is equal to the outer diameter of the second Circular Plate 5, and outer diameter is greater than the internal diameter of cylinder 1；The wall surface of the gib block 6 inwardly with
1 inner wall of cylinder is concordant；Four guide grooves 7 being slidably matched with gib block 6 are arranged in 1 inner wall even distribution of cylinder；Two mounting racks 3
Second Circular Plate 5 is spaced a distance, in formation unhurried current mixing chamber in cylinder 1；The filling body 2 is by multi-disc stainless steel sintered meshwork
It constitutes, is filled in mounting rack 3 respectively.
The steel wire diameter of the stainless steel sintered meshwork is the ㎜ of 0.025 ㎜~0.03.
The mesh number of the stainless steel sintered meshwork is 220 mesh~500 mesh.
Obviously, the stainless steel sintered meshwork can also be sintered felt substitution by stainless steel, and the thickness of stainless steel sintering felt is preferably
0.3 ㎜, the steel wire diameter that stainless steel is sintered felt is preferably 0.01 ㎜.
Embodiment 2
A kind of processing method of filling body used in regenerator comprising following steps:
(1) selected muti-piece stainless steel steel wire is added to the thickness of needs by cloth, or with mixed and disorderly stainless steel wire
(superfine stainless steel wire) is uniformly taped against the thickness of needs, then is compacted into tooling, and given pressure is 400N, specific pressure root
It is determined according to required sintering mesh sheet or sintering felt porosity；
(2) stainless steel wire stacked by the stainless steel steel wire of compacting or uniformly is put into vacuum high temperature furnace, heating heating
3 hours are kept the temperature to 1250 DEG C, and at this temperature, obtains sintered stainless steel silk screen or stainless steel felt blanket material；
(3) protective gas is passed through in vacuum high temperature furnace, sintering blank is made to cool to room temperature；
(4) sintering blank after cooling is machined to required shape and size, obtains filling body.
Embodiment 3
A kind of processing method of filling body used in regenerator comprising following steps:
(1) selected muti-piece stainless steel steel wire is added to the thickness of needs by cloth, or with mixed and disorderly stainless steel wire
(superfine stainless steel wire) is uniformly taped against the thickness of needs, then is compacted into tooling, and given pressure is 600N, specific pressure root
It is determined according to required sintering mesh sheet or sintering felt porosity；
(2) stainless steel wire stacked by the stainless steel steel wire of compacting or uniformly is put into vacuum high temperature furnace, heating heating
2 hours are kept the temperature to 1400 DEG C, and at this temperature, obtains sintered stainless steel silk screen or stainless steel felt blanket material；
(3) protective gas is passed through in vacuum high temperature furnace, sintering blank is made to cool to room temperature；
(4) sintering blank after cooling is machined to required shape and size, obtains filling body.
Embodiment 4
A kind of processing method of filling body used in regenerator comprising following steps:
(1) selected muti-piece stainless steel steel wire is added to the thickness of needs by cloth, or with mixed and disorderly stainless steel wire
(superfine stainless steel wire) is uniformly taped against the thickness of needs, then is compacted into tooling, and given pressure is 500N, specific pressure root
It is determined according to required sintering mesh sheet or sintering felt porosity；
(2) stainless steel wire stacked by the stainless steel steel wire of compacting or uniformly is put into vacuum high temperature furnace, heating heating
2 hours are kept the temperature to 1350 DEG C, and at this temperature, obtains sintered stainless steel silk screen or stainless steel felt blanket material；
(3) protective gas is passed through in vacuum high temperature furnace, sintering blank is made to cool to room temperature；
(4) sintering blank after cooling is machined to required shape and size, obtains filling body.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of regenerator of sterlin refrigerator, including cylinder and it is filled in the intracorporal filling body of cylinder；It is characterized by: it is also
The intracorporal mounting rack of cylinder is symmetrically set in from cylinder both ends respectively including two；The mounting rack includes being located at barrel end the
One Circular Plate, in cylinder and the second Circular Plate that outer rim is bonded with cylinder inboard wall and four the first Circular Plate ends of connection
Face and the second Circular Plate outer rim, along the circumferentially uniformly distributed gib block of the first Circular Plate；The internal diameter of first Circular Plate is equal to the
The outer diameter of two Circular Plates, outer diameter are greater than the internal diameter of cylinder；The wall surface of the gib block inwardly is concordant with cylinder inboard wall；The cylinder
Internal wall is uniformly arranged four guide grooves being slidably matched with gib block；Second Circular Plate of two mounting racks is spaced a distance,
In formation unhurried current mixing chamber in cylinder；The filling body is made of multi-disc stainless steel sintered meshwork or stainless steel sintering felt, is filled out respectively
Loaded in mounting rack.
2. the regenerator of sterlin refrigerator according to claim 1, it is characterised in that: the steel wire of the stainless steel sintered meshwork
Diameter is the ㎜ of 0.025 ㎜~0.03.
3. the regenerator of sterlin refrigerator according to claim 1 or claim 2, it is characterised in that: the stainless steel sintered meshwork
Mesh number is 220 mesh~500 mesh.
4. the regenerator of sterlin refrigerator according to claim 1, it is characterised in that: the thickness of the stainless steel sintering felt
For 0.3 ㎜.
5. according to claim 1 or the regenerator of 4 sterlin refrigerators, it is characterised in that: the stainless steel sintering felt
Steel wire diameter is 0.01 ㎜.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610764036.6A CN106288540B (en) | 2016-08-30 | 2016-08-30 | The processing method of filling body used in the regenerator and regenerator of sterlin refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610764036.6A CN106288540B (en) | 2016-08-30 | 2016-08-30 | The processing method of filling body used in the regenerator and regenerator of sterlin refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN106288540A CN106288540A (en) | 2017-01-04 |
| CN106288540B true CN106288540B (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610764036.6A Active CN106288540B (en) | 2016-08-30 | 2016-08-30 | The processing method of filling body used in the regenerator and regenerator of sterlin refrigerator |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931081B (en) * | 2018-06-22 | 2020-11-20 | 同济大学 | Preparation method of variable-porosity pill-shaped heat regenerator filler |
| CN111397254B (en) * | 2019-01-02 | 2021-10-29 | 中国科学院理化技术研究所 | Regenerator sleeve structure and regenerator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4366676A (en) * | 1980-12-22 | 1983-01-04 | The Regents Of The University Of California | Cryogenic cooler apparatus |
| CN1624403A (en) * | 2003-12-01 | 2005-06-08 | Lg电子株式会社 | Regenerator and cryocooler using the same |
| CN103231057A (en) * | 2013-04-11 | 2013-08-07 | 西安菲尔特金属过滤材料有限公司 | Preparation method for Stirling engine heat regenerator |
| CN104654676A (en) * | 2015-01-27 | 2015-05-27 | 上海理工大学 | Nano-coating metal mesh heat regenerator filler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07260268A (en) * | 1994-03-18 | 1995-10-13 | Aisin Seiki Co Ltd | Pulse tube refrigerator |
-
2016
- 2016-08-30 CN CN201610764036.6A patent/CN106288540B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4366676A (en) * | 1980-12-22 | 1983-01-04 | The Regents Of The University Of California | Cryogenic cooler apparatus |
| CN1624403A (en) * | 2003-12-01 | 2005-06-08 | Lg电子株式会社 | Regenerator and cryocooler using the same |
| CN103231057A (en) * | 2013-04-11 | 2013-08-07 | 西安菲尔特金属过滤材料有限公司 | Preparation method for Stirling engine heat regenerator |
| CN104654676A (en) * | 2015-01-27 | 2015-05-27 | 上海理工大学 | Nano-coating metal mesh heat regenerator filler |
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| CN106288540A (en) | 2017-01-04 |
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