Two-stage compression refrigerating unit for multi-temperature refrigeration storage and control method thereof
A compressor unit and refrigeration unit technology, applied in the direction of compressors, refrigerators, compressors, etc., can solve the problems of frequent load changes in multi-temperature cold storage, uneven load distribution in warehouses, damage to high-pressure compressor units under refrigerant return pressure, etc. Achieve the effects of precise control of oil return temperature, small size, improved work efficiency and service life
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0047] see figure 1 , figure 2 with image 3 In this embodiment, the two-stage compression refrigeration unit for multi-temperature cold storage includes: a low-pressure compressor unit 2, a high-pressure compressor unit 4, an oil separator 5, a condenser 6, a high-pressure liquid receiver 7, a subcooler 12 and an oil cooler 8 .
[0048] Such as figure 1 As shown, the return air of the cold storage user’s refrigerant is introduced into the gas collection main pipe 1, and the gas collection main pipe 1 is directly connected with the air inlet of the low-pressure compressor unit 2; connected to each other; a pressure sensor 21 and a temperature sensor 22 are set respectively for the gas collecting main pipe 1 .
[0049] The exhaust of the low-pressure compressor unit 2 is connected to the air inlet of the high-pressure compressor unit 4 through the medium-pressure pipeline 3; the exhaust port of the high-pressure compressor unit 4 is connected to the air inlet of the oil se...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com