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A two-stage multi-cylinder free-piston compressed air refrigeration system

A technology for compressing air and refrigeration systems, applied in piston pumps, refrigerators, compressors, etc., can solve problems such as greenhouse effect, high critical pressure, and destruction of the ozone layer, so as to improve utilization rate, stabilize working medium properties, and save machinery The effect of work

Active Publication Date: 2021-02-05
BEIJING UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

R22 has a large cooling capacity, but R22 contains fluorine and chlorine, which destroys the ozone layer and causes the greenhouse effect; although R32 is non-toxic and environmentally friendly, it is costly and flammable; CO 2 Although the refrigerant is non-toxic, non-flammable, and low-viscosity, its critical pressure is relatively high, about 7.38MPa, which requires a lot of equipment

Method used

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  • A two-stage multi-cylinder free-piston compressed air refrigeration system

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Embodiment Construction

[0018] specific implementation plan

[0019] The application is further described in conjunction with the accompanying drawings.

[0020] A two-stage multi-cylinder free-piston compressed air refrigeration system. Such as figure 1 As shown, it mainly includes: free piston compressed air module, liquid air refrigeration module, and control module.

[0021] Such as figure 1 As shown, the free piston compressed air module mainly includes: dehumidifier 1, linear motor a2, cylinder a3, cylinder b4, piston a5, piston b6, connecting rod a7, connecting rod b8, cooler a9, cooler b10, linear motor b11 , cylinder c12, cylinder d13, piston c14, piston d15, connecting rod c16, connecting rod d17, pipe a46, pipe b47, pipe c48, pipe d49, pipe e50, pipe f51, pipe g52, pipe h53; linear motor a2 and piston a5 is fixedly connected by connecting rod a7; linear motor a2 and piston b6 are fixedly connected by connecting rod b8; piston a5 is in cylinder a3, piston b6 is in cylinder b4; linear mo...

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Abstract

The invention relates to a two-stage multi-cylinder free piston compressed air refrigeration system, which belongs to the field of energy and power. The free piston linear motor is a new type of energy conversion device formed by the coupling of a free piston compressor and a linear motor. The linear motor compresses the air in the cylinder through reciprocating motion; the whole system uses two-stage compression to provide cooling for the user. The storage tank can store liquid air by taking advantage of the low power consumption at night. The invention has simple structure and is easy to operate. Compared with the single-cylinder compressor, the double-cylinder compressor can improve the utilization rate of energy, and at the same time, it has a compact structure and takes up less space, which has obvious advantages. Compared with conventional one-stage compression, it saves mechanical work and has higher efficiency. At the same time, air is selected as the working medium, which is stable in nature, easy to obtain, low in cost, environmentally friendly and pollution-free, and can be used many times.

Description

technical field [0001] The invention relates to a two-stage multi-cylinder free piston compressed air refrigeration system, which belongs to the field of energy and power. Background technique [0002] Nowadays, refrigeration technology has been widely used in daily life. At the same time, refrigeration technology also plays an important role in cutting-edge scientific fields such as microelectronics technology, optical fiber communication, energy, new raw materials, space development, and bioengineering technology. At present, conventional refrigeration equipment on the market usually uses a single-cylinder compressor for one-stage compression, and the energy utilization efficiency is relatively low. The refrigerant generally adopts R22, R32 and new CO 2 refrigerant etc. R22 has a large cooling capacity, but R22 contains fluorine and chlorine, which destroys the ozone layer and causes the greenhouse effect; although R32 is non-toxic and environmentally friendly, it is cos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B9/00F25B41/20F04B35/04F04B25/00
CPCF25B9/004F04B35/04F04B25/005F25B41/40F25B41/20
Inventor 石鑫张红光闫栋侯孝臣赵腾龙许永红李健王崇尧平旭
Owner BEIJING UNIV OF TECH
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