Dual-mode heat conduction freeze-thaw system and freeze-thaw method
By using a dual-mode heat conduction freeze-thaw system, which combines a liquid medium and an airflow circulation system, the problem of low remelting efficiency in freeze-thaw equipment has been solved, enabling rapid remelting and quality assurance of biological products.
CN122107700APending Publication Date: 2026-05-29NORTH CHINA PHARM GENETECH BIOTECHNOLOGY CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- NORTH CHINA PHARM GENETECH BIOTECHNOLOGY CO LTD
- Filing Date
- 2026-04-01
- Publication Date
- 2026-05-29
AI Technical Summary
Technical Problem
Existing freeze-thaw equipment has low remelting efficiency, which makes biological products prone to ice recrystallization during the remelting process, affecting the activity and quality of the biological products.
Method used
A dual-mode heat conduction freeze-thaw system is adopted, which combines liquid medium and airflow circulation system to heat biological products. The design of heat exchange plate and freeze-thaw mold realizes dual-mode heat transfer and ensures uniform heat transfer.
Benefits of technology
It significantly improves the remelting speed of biological products, reduces ice recrystallization damage, and ensures the quality and activity of biological products.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN122107700A_ABST
Abstract
The present application relates to a kind of dual-mode heat conduction freeze-thaw system and freeze-thaw method, freeze-thaw system includes freeze-thaw cabin, at least two heat exchange plates are provided in cabin body, for placing bagged biological products between two adjacent heat exchange plates;Circulating medium system, including medium temperature control equipment and medium circulation pipe, medium temperature control equipment is used to provide liquid circulating medium and control the temperature of liquid circulating medium, medium temperature control equipment is connected with all heat exchange plates by medium circulation pipe;Air flow circulation system, including air flow circulation pipe, air flow circulation pipe is communicated with the both ends of the cabin body of freeze-thaw cabin and forms air flow circulation channel, air flow circulation driving device and air flow temperature control device are arranged in air flow circulation channel.The present application improves the thawing efficiency by the dual-mode heat conduction of direct contact heat conduction and air flow heat transfer, can restore sample from frozen state to liquid state in short time, reduce the influence of thawing process on biological product quality.
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