Multi-stage drying production line waste gas waste heat recycling system
By using a system of waste gas flow recycling and recycling waste heat in the multi-stage open-loop drying production line, connecting the air inlet and exhaust passages of heat pump drying equipment of different levels, and adjusting the air flow through adjustable dampers and condensers, the problem of low waste heat recycling rate in the multi-stage open-loop drying production line is solved, and efficient waste heat recovery and drying effect is achieved.
CN112197560BActive Publication Date: 2025-03-25DONGYING DECHENG GRAIN & OIL CO LTD
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Patent Information
- Application Number
- CN202011021469.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-09-25
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2040-09-25
AI Technical Summary
Technical Problem
In a multi-stage open-loop drying production line, how to improve waste heat recycling rate.
Method used
A system for recycling and recycling waste heat is adopted to connect the air inlet and exhaust passages of heat pump drying equipment of different levels through waste heat circulation pipes. The air flow direction and humidity are adjusted by first and second adjustable dampers, and a condenser is set to reduce the air flow humidity.
Benefits of technology
The waste heat recovery and recycling that is not available in the open-loop drying system is achieved, and the airflow with higher temperature is obtained, the humidity of the recovered airflow is reduced, and the drying efficiency and waste heat recovery rate are improved.
✦ Generated by Eureka AI based on patent content.
Abstract
The present invention relates to the field of grain and food processing, and in particular to a waste heat recycling system for waste gas in a multi-stage drying production line. The technical solution provided by the present invention recycles waste heat of airflow between different levels of the multi-stage drying production line, realizing waste heat recycling that is not available in an open-loop drying system; at the same time, after the intersection of the recovered hot airflow and the incoming airflow, a condenser is added to collect water vapor in the recovered hot airflow, reduce the humidity of the airflow, and be more conducive to drying utilization; further, since the first and second adjustable dampers are provided, the proportion of waste heat recycling can be adjusted at will according to the requirements of the drying process and the changes in ambient temperature and humidity.
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