Three-stage cascade direct contact condensing and refrigerating circulating system

A circulation system and direct technology, applied in the direction of refrigerators, refrigeration and liquefaction, compressors with cascading work, etc., can solve the problem of low temperature for cold rooms, high pressure of refrigeration compressors, and failure of refrigeration compressors to work normally etc. to reduce power consumption, save energy, and improve overall performance

Inactive Publication Date: 2019-03-22
TIANJIN UNIV OF COMMERCE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This new design for a type of cooler uses two stages - one stage consisting mainly of an evaporator coil that absorbs heat from outside air or another medium (such as water) while it goes through), which helps reduce its size without losing efficiency due to overheated components such as pumps used during operation. Additionally, this technology can be applied to different types of machines by adjusting certain parameters like how much fluid needs to circulate inside them instead of constantly running at full capacity. Overall, these improvements improve the performance and functionality of the coolers compared to previous designs.

Problems solved by technology

This patented technical problem addressed by this patents relates to improving the performance of certain types of equipment that use cryogenic materials during tests at temperatures lower than 80°F (-20 ° C).

Method used

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  • Three-stage cascade direct contact condensing and refrigerating circulating system

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Embodiment Construction

[0012] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0013] Such as figure 1 As shown, the three-stage cascade direct-contact condensation refrigeration cycle system of the present invention includes a condenser 1, a high-temperature refrigeration compressor 2, a medium-temperature direct-contact heat exchanger 3, a medium-temperature circulation pump 4, a medium-temperature refrigeration compressor 5, and a low-temperature direct-contact heat exchanger. Heater 6, low temperature circulation pump 7, low temperature refrigeration compressor 8, evaporator 9, low temperature expansion valve 10, low temperature subcooler 11, medium temperature expansion valve 12, medium temperature subcooler 13, high temperature expansion valve 14;

[0014] The outlet of the evaporator 9 is connected to the inlet of the low-temperature refrigeration compressor 8, and the exhaust outlet of the low-temperature r

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Abstract

The invention discloses a three-stage cascade direct contact condensing and refrigerating circulating system. According to the three-stage cascade direct contact condensing and refrigerating circulating system, discharged gas of a refrigerating condenser adopting medium-temperature-stage circulating and low-temperature-stage circulating directly makes contact with sub-cooled liquid to be condensedand subjected to refrigerating circulating, thus the pressure ratio of a medium refrigerating compressor to a low-temperature-stage refrigerating compressor can be lowered, power consumption of the refrigerating compressors is lowered, overall performance of three-stage cascade refrigerating circulating is improved, energy is saved, and the environment is protected.

Description

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Claims

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Application Information

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Owner TIANJIN UNIV OF COMMERCE
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