Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Low-grade-energy drive CO2 absorption refrigeration system

An absorption refrigeration, low-grade technology, applied in refrigerators, adsorption machines, refrigeration and liquefaction, etc., can solve the problems of high heat source temperature requirements, difficulty in continuous and stable operation, and low efficiency, so as to simplify peripheral equipment and improve reliability Sexuality and cost reduction effect

Inactive Publication Date: 2012-11-28
INNER MONGOLIA UNIV OF SCI & TECH
View PDF7 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the environmental problems caused by traditional refrigerants and the refrigeration cycle system driven by conventional low-grade energy, especially solar energy, it consists of generators, condensers, evaporators, absorbers and solution heat exchangers. The system has high requirements for heat source temperature, The problem of low efficiency and difficulty in continuous and stable operation

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Low-grade-energy drive CO2 absorption refrigeration system
  • Low-grade-energy drive CO2 absorption refrigeration system
  • Low-grade-energy drive CO2 absorption refrigeration system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] figure 1 It is embodiment 1 of the present invention, that is, CO driven by low-grade dual heat sources 2 Schematic diagram of the basic structure of an absorption refrigeration system. Such as figure 1 As shown, it includes a high-temperature generator 1, a low-temperature generating module 2, a condensation module 3, an evaporator 4, an absorption evaporation module 5, an absorption module 6, a first regenerator 7, a second regenerator 8, and a second solution pump 9 , the first solution pump 10, the decompression device 14, the refrigerant outlet of the high-temperature generator 1, the outlet of the refrigerant of the low-temperature generation module 2 are respectively connected with the inlet of the condensation module 3, and the first outlet 1 of the refrigerant of the condensation module 3 is refrigerated with the evaporator 4 The refrigerant inlet is connected, the refrigerant outlet of the evaporator 4 is connected to the refrigerant inlet of the absorption ...

Embodiment 2

[0042] figure 2 It is Example 2 of the present invention. In order to solve the shortage of high-temperature heat source supply, CO 2 The problem of insufficient gas generation, this embodiment will come from the CO with higher outlet temperature of the low-temperature generation module 2 2 One of the refrigerant gas is used as a supplementary steam source for the cycle, and the other one enters the absorption module 6 together with the higher temperature refrigerant gas from the absorption evaporation module 5 to be absorbed, so as to ensure the stable operation of the system, reduce the cycle rate, and improve the system efficiency. COP.

[0043] Such as figure 2 As shown, it includes a high-temperature generator 1, a low-temperature generating module 2, a condensation module 3, an evaporator 4, an absorption evaporation module 5, an absorption module 6, a first regenerator 7, a second regenerator 8, and a second solution pump 9 , the first solution pump 10, the refrig...

Embodiment 3

[0050] image 3 It is Example 3 of the present invention. In order to effectively reduce the refrigerant CO leaving the condensing module 3 2 Therefore, the energy recovery heat exchanger 25 is added at the second outlet II of the refrigerant of the condensing module 3, the outlet of the brine, and the inlet of the cooling medium to recover the cooling capacity of the brine and the cooling medium, so as to more effectively reduce the cycle rate and The temperature of the solution at the outlet of the absorber further increases the COP of the system.

[0051] Such as image 3 As shown, it includes a high-temperature generator 1, a low-temperature generating module 2, a condensation module 3, an evaporator 4, an absorption evaporation module 5, an absorption module 6, a first regenerator 7, a second regenerator 8, and a second solution pump 9 , the first solution pump 10, the energy recovery heat exchanger 25, the refrigerant outlet of the high-temperature generator 1, and th...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a low-grade-energy drive CO2 absorption refrigeration system, in particular to a refrigeration system taking low grade energy as a drive heat source, and belongs to the refrigeration field. The low-grade-energy drive CO2 absorption refrigeration system is jointly driven by high-temperature low-grade heat and low-temperature low-grade heat and comprises a high temperature generator, a low temperature generation module, a condensation module, an evaporator, an absorption evaporation module, an absorption module, an energy recovery heat exchanger, a first heat regenerator, a second heat regenerator, a solution pump and a pressure reduction device. The utility model has the advantages that the refrigeration efficiency of the low-grade-energy drive CO2 absorption refrigeration system is improved, peripheral equipment of the low-grade-energy drive CO2 absorption refrigeration system is simplified, the stability reliability of the low-grade-energy drive CO2 absorption refrigeration system is improved, the unstable and discontinuous low-grade energy is efficiently used, and a foundation is laid for the efficient utilization of the low-grade-energy in the refrigeration field of air conditioners.

Description

Technical field: [0001] The invention relates to a low-grade energy-driven CO 2 An absorption refrigeration system, specifically a refrigeration system using low-grade energy as a driving heat source, belongs to the field of refrigeration. Background technique: [0002] With the rapid development of social economy and the continuous improvement of the quality of life of the public, refrigeration and air conditioning equipment is becoming one of the necessities of today's urban family life and industrial production. Most of the refrigerants in air-conditioning equipment use traditional refrigerants such as freon, and the defects in environmental problems are becoming more and more prominent. In addition, the electricity used to maintain the daily operation of air-conditioning and refrigeration systems is 15% of the world's total, so the energy and environment caused by air-conditioning and refrigeration are serious The problem is threatening the sustainable development of th...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F25B15/02
CPCY02B30/62Y02A30/27
Inventor 何丽娟黄军李娜钟金山王丽芳
Owner INNER MONGOLIA UNIV OF SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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