Combined cooling and heating system based on absorption technology

By introducing absorption heating and cooling systems and heat storage systems into the combined heat and cold supply system, the problem of insufficient recovery and utilization of high-temperature exhaust gas was solved, and system performance was improved and load regulation was optimized.

CN120667773APending Publication Date: 2025-09-19TONGFANG KAWASAKI ADVANCED ENERGY SAVING MACHINE
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Patent Information

Application Number
CN202510936463.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-07
Publication Date
2025-09-19

AI Technical Summary

Technical Problem

In the existing technology, high-temperature exhaust gas recovery is only used for heat supply, which fails to effectively utilize the refrigeration system. The lack of a heat storage system leads to reduced system performance and difficulty in load regulation.

Method used

The combined cooling and heating system using absorption technology includes a high-temperature exhaust gas system, an absorption heating system, and an absorption refrigeration system. Heat storage and cold storage bodies are provided. The heat exchange intensity is improved through the absorption large temperature difference heat unit, and the system load is adjusted in combination with the heat storage system.

Benefits of technology

It improves the overall performance of the system, enhances the efficiency of heating and cooling, alleviates load fluctuations, and improves the system's startup speed and adjustment response capabilities.

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Abstract

The invention discloses a combined cooling and heating system based on an absorption technology, which relates to the technical field of combined cooling and heating and comprises a high-temperature waste gas system, an absorption heat supply system and an absorption refrigeration system. The heat exchange intensity is improved by installing the absorption type large-temperature-difference heat generating unit, the recovery temperature of a heat supply pile is reduced, the energy transmission capacity of a pipe network is improved, and the overall heat supply performance can be improved. By installing the absorption type refrigerating system, when heat supply needs do not exist in summer or the heat supply load is low, generated hot water is used for driving the absorption type refrigerator to conduct refrigeration, centralized cooling is achieved, the use efficiency can be improved, and the economic benefits can be improved. Due to the fact that the overall heat supply and cold supply have large load fluctuation in different time periods, the heat storage body and the cold storage body are added, the system load can be well adjusted, the load adjusting pressure is relieved, meanwhile, the system is prevented from being overheated and overcooled, and the starting speed and the adjusting reaction capacity of the system are improved.
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