Waste heat recovery device for cooling section of tunnel kiln
By installing an insulation shell, hot air pipe and heat exchange shell in the tunnel kiln and using a motor to drive air pressure changes and circulating water heating, the problem of heat loss in the tunnel kiln waste heat recovery device is solved, and efficient waste heat utilization and domestic water heating are achieved.
CN223307353UActive Publication Date: 2025-09-05ZHENGZHOU ZHONGKE FIREPROOF MATERIAL CO LTD
Patent Information
- Application Number
- CN202421695277.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-07-17
AI Technical Summary
Technical Problem
There is serious heat loss in the waste heat recovery device of the existing tunnel kiln cooling section, resulting in low waste heat utilization rate.
Method used
An insulation shell, hot air pipe, air guide tube and heat exchange shell are set between the preheating zone and the cooling zone of the tunnel kiln. The air pressure is changed by the motor-driven transmission rod and impeller, so that the hot air pipe is introduced into the preheating zone. The heat exchange shell and heat exchange pipe are combined to circulate domestic water to fully utilize the heat.
Benefits of technology
It reduces heat loss in the waste heat utilization stage, improves the waste heat utilization rate of the tunnel kiln, and meets the demand for domestic water heating.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN223307353U_ABST
Abstract
The utility model discloses a tunnel kiln cooling section waste heat recovery device which comprises a tunnel kiln body, a preheating zone is arranged at the leftmost end of the tunnel kiln body, and a cooling zone is arranged at the rightmost end of the tunnel kiln body. According to the tunnel kiln, the two sets of hot air pipes, the air guide barrel and the heat preservation shell are arranged between the preheating zone and the cooling zone of the tunnel kiln body, the motor installed in the heat preservation shell is started, the output end of the motor drives the transmission rod arranged in the air guide barrel to rotate under the action of the transmission belt, and therefore the transmission rod can drive the impeller to rotate; at the moment, a heat exchange shell with a plurality of heat conduction fins is arranged on the inner wall of the cooling zone, external domestic water circulates to pass through a heat exchange pipe arranged in the heat exchange shell, the heat conduction fins are arranged on the inner wall of the cooling zone, the heat conduction fins are arranged in the heat exchange pipe, and the heat conduction fins are arranged in the heat exchange pipe; and therefore, heat absorbed by the heat exchange shell and the plurality of heat conduction fins is conducted into domestic water in the heat exchange pipe.
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Citation Information
Patent Citations
Waste heat recycling and drying device for tunnel kiln
CN213090492U