CN101749882B - Sleeve moving type Stirling refrigeration unit - Google Patents
Sleeve moving type Stirling refrigeration unit Download PDFInfo
- Publication number
- CN101749882B CN101749882B CN2009102602118A CN200910260211A CN101749882B CN 101749882 B CN101749882 B CN 101749882B CN 2009102602118 A CN2009102602118 A CN 2009102602118A CN 200910260211 A CN200910260211 A CN 200910260211A CN 101749882 B CN101749882 B CN 101749882B
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- China
- Prior art keywords
- sleeve
- ejector
- refrigeration unit
- heat regenerator
- piston
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Abstract
The invention relates to a Stirling refrigeration unit, which can be used in food processing and belongs to the field of food machinery. The sleeve moving type Stirling refrigeration unit consists of a sleeve, an ejector (heat regenerator), a piston, an insulation washer and a power plant. When the sleeve moving type Stirling refrigeration unit operates, the piston is fixed, and the sleeve performs reciprocating motion under the driving force of an external power device, thereby realizing the compression and expansion of a refrigerating medium. The ejector and the heat regenerator are identical to each other, and the ejector (heat regenerator) can be arranged in any place in the sleeve. The movement with phase difference of the ejector (heat regenerator) relative to the sleeve can be realized along with the movement of the sleeve and under the action of inertia, and the heat can be stored and released when the refrigerating medium passes through the ejector (heat regenerator), thereby achieving the refrigeration effect. Therefore, the moving sleeve not only can achieve the functions of cooling and mixing, but also can be used in the butter production process.
Description
Affiliated technical field
The present invention relates to a kind of Stirling refrigerator, can be used for food processing, belong to the food machinery field.
Background technology
The stirling refrigeration technology is an ancient and emerging technology; Can utilize air, helium, hydrogen etc. as cold-producing medium; And these gases have latent value (ODP) of zero ozone depletion and the latent value (GWP) of zero global greenhouse effect; Not only can not damage, can not produce greenhouse effects yet, thereby have energy-conservation and eco-friendly characteristics ozone layer.
Stirling circulation waits the appearance heat recovery process to form by two constant temperature process and two, is also referred to as the constant volume backheat and circulates.Stirling refrigeration circulation comprises isotherm compression, constant volume heat release, isothermal expansion and constant volume four processes of absorbing heat.In the isotherm compression process, gas is by isotherm compression, and the heat of compression is passed to cooling medium through cooler, and it is constant that temperature keeps, and pressure raises, and volume reduces; In the constant volume exothermic process, gas volume remains unchanged, but gas is passed to hot backheat material (Regenerator) with heat simultaneously through regenerator, thereby the temperature reduction, and pressure also reduces simultaneously; In the isothermal expansion process, gas carries out isothermal expansion, when gas expands, absorbs certain heat from low-temperature heat source (cooling object), and volume increases and the pressure reduction simultaneously, absorbs heat in this process, thereby has realized refrigerating function; In the constant volume endothermic process, gas volume remains unchanged, the gas regenerator of flowing through, and from the backheat material, absorb heat, temperature raises, and pressure increases simultaneously, to extraneous heat release.
Stirling refrigeration equipment is mainly by formations such as cylinder, regenerator, piston, displacer (Displacer), cold-producing medium, cooler, evaporimeters.Stirling refrigeration equipment is because of its efficient is high, volume is little, operating temperature range is wide, starting is fast, easy and simple to handle, characteristics such as cryogenic temperature is low, and by extensively utilization.Existing stirling refrigeration equipment all is to fix with sleeve, and the form of piston motion realizes compression of air, and displacer is different parts with regenerator, and displacer needs drive unit to move with the phase difference that has of realization and piston.
In food processing process, cooling and stirring all are common operations, and for example in the manufacturing process of butter (Butter), it is that cream (Cream) is stirred in cooling that a step is arranged.Its cooling can be provided by existing stirling refrigeration equipment, and agitating function then needs other equipment to provide.
Summary of the invention
The present invention provides a kind of Stirling refrigerator, and the function of cooling and stirring can be provided simultaneously, therefore can be used for the manufacturing process of butter.Its outward appearance shows as piston and fixes, the sleeve motion; Displacer and regenerator are same parts, and in sleeve, lean on the inertia freely-movable.
The technical solution adopted for the present invention to solve the technical problems is: piston is fixed, and sleeve is driven by external impetus equipment (for example linear electric machine etc.), realizes moving back and forth; Displacer and regenerator are same parts, can in sleeve, lean on the inertia freely-movable.Because of piston is fixed, the sleeve motion can realize the compression (intensification heat release) and expand (absorption refrigeration) of cold-producing medium (can be air); Displacer (regenerator) is freely placed in sleeve, along with the motion of sleeve, under action of inertia, realizes moving with the phase difference that has of sleeve, when cold-producing medium passes through displacer (regenerator), realizes the storage and the release of heat, therefore reaches the effect of refrigeration.When sleeve moves in addition, the function of stirring can be provided.It is thus clear that the function that this equipment can provide cooling simultaneously and stir.
The invention has the beneficial effects as follows, can realize that piston fixes the refrigeration under the sleeve motion state; The sleeve of motion can provide the function that stirs and cool off, and can be applicable to the butter churn process; Through regulating the motion frequency of power set, the size of displacer and the volume of cold-producing medium can be regulated the speed of refrigeration.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further specified.Accompanying drawing is a sketch of the present invention.
(1) sleeve upper end among the figure, (2) heat insulating washer, (3) sleeve lower end, (4) piston (fixing), (5) displacer (regenerator), (6) cold-producing medium.This device sleeve is made up of two parts up and down, and there is heat insulating washer the centre, prevents the heat transfer between (hot junction) and lower end (cold junction) on the sleeve.The power set of not representing sleeve among this figure.
The specific embodiment
During equipment work, sleeve is driven by the power set (not shown), moves reciprocatingly, and is fixing because of piston (4), can realize the compression and the expansion of cold-producing medium (6) (air).Displacer (regenerator) (5) can be realized moving with the phase difference that has of sleeve under effect of inertia, therefore can realize isotherm compression, constant volume heat release, isothermal expansion and four processes of constant volume heat absorption of stirling refrigeration circulation.In the running, cold junction temperature descends, thereby reaches the purpose of refrigeration; Hot-side temperature rises, and heat release is carried out easily.When being applied to the butter churn process, cold junction moves in cream, and the function that stirs and cool off can be provided.
Claims (2)
1. Stirling refrigerator, its piston is fixed, and sleeve is driven by external impetus equipment and moves back and forth; Displacer (regenerator) is freely placed in sleeve; Along with the motion of sleeve, under action of inertia, realize with sleeve the phase difference motion arranged, by it is characterized in that: can realize that piston fixes; Refrigeration under the sleeve motion state, promptly the sleeve of motion can provide the function that stirs and cool off; Displacer and regenerator are same parts, and in sleeve, lean on the inertia freely-movable.
2. Stirling refrigerator according to claim 1 is characterized in that: in this equipment, sleeve is made up of two parts up and down, and there is heat insulating washer the centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102602118A CN101749882B (en) | 2009-12-25 | 2009-12-25 | Sleeve moving type Stirling refrigeration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102602118A CN101749882B (en) | 2009-12-25 | 2009-12-25 | Sleeve moving type Stirling refrigeration unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101749882A CN101749882A (en) | 2010-06-23 |
| CN101749882B true CN101749882B (en) | 2012-05-30 |
Family
ID=42477242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102602118A Expired - Fee Related CN101749882B (en) | 2009-12-25 | 2009-12-25 | Sleeve moving type Stirling refrigeration unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101749882B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322808A (en) * | 2016-08-31 | 2017-01-11 | 章晓晓 | Heat-dissipation combat clothing |
| CN106766322B (en) * | 2016-12-16 | 2019-05-07 | 浙江大学 | A kind of the G-M refrigeration machine and method of cool end heat exchanger movement |
| CN111397255B (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 |
|---|---|---|---|---|
| WO2002035160A1 (en) * | 2000-10-25 | 2002-05-02 | Sharp Kabushiki Kaisha | Stirling refrigerating system and cooling chamber with the refrigerating system |
| CN1373335A (en) * | 2001-02-28 | 2002-10-09 | 中国科学院理化技术研究所 | Low-temp refrigerator with inverse gas circulation and without heat regenerator |
| CN1959298A (en) * | 2006-11-24 | 2007-05-09 | 中国科学院上海技术物理研究所 | Stirling refrigerating machine being as cold source of low temperature refrigerator |
| CN101373109A (en) * | 2007-08-22 | 2009-02-25 | 环球冷却有限公司 | Stirling circulator |
-
2009
- 2009-12-25 CN CN2009102602118A patent/CN101749882B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002035160A1 (en) * | 2000-10-25 | 2002-05-02 | Sharp Kabushiki Kaisha | Stirling refrigerating system and cooling chamber with the refrigerating system |
| CN1373335A (en) * | 2001-02-28 | 2002-10-09 | 中国科学院理化技术研究所 | Low-temp refrigerator with inverse gas circulation and without heat regenerator |
| CN1959298A (en) * | 2006-11-24 | 2007-05-09 | 中国科学院上海技术物理研究所 | Stirling refrigerating machine being as cold source of low temperature refrigerator |
| CN101373109A (en) * | 2007-08-22 | 2009-02-25 | 环球冷却有限公司 | Stirling circulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101749882A (en) | 2010-06-23 |
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| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20121225 |