Continuous positive backfire furnace flue gas utilization device
CN224692144UActive Publication Date: 2026-08-28ZHEJIANG DINGCHENG FURNACE TECH CO LTD
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Patent Information
- Application Number
- CN202521868942.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-01
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-09-01
AI Technical Summary
Technical Problem
然而，这种直排方式存在显著缺陷：
Benefits of technology
[0014]与现有技术相比，本实用新型具有以下优点：本实用新型提供了一种连续式正退回火炉烟气利用装置，包括进风管、助燃空气管、燃烧器、烟气总管以及盘管；空气通过进风口进入进风管，经过助燃空气管进入燃烧器，燃烧器燃烧产生的高温烟气通过烟气总管进入位于预热区的盘管内对工件进行预热，降低能耗；将燃烧器产生的高温烟气直接引入预热区盘管，替代部分外部热源对冷工件进行预热，显著降低预热区燃料消耗，通过进风管、助燃空气管、烟气总管和盘管的串联设计，实现空气供应、燃烧、烟气输送及余热回收的功能集成，简化管路布局。
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Figure CN224692144U_ABST
Abstract
The utility model discloses a continuous positive back annealing furnace flue gas utilization device, including air inlet pipe, combustion air pipe, combustor, flue gas main pipe and coil, air inlet pipe has the air inlet, combustion air pipe is connected on air inlet pipe, combustor is connected on combustion air pipe, and combustor is connected on flue gas main pipe through the flue pipe, and one end of flue gas main pipe is connected with the coil in the preheating area of continuous positive back annealing furnace, and air enters air inlet pipe through the air inlet, and enters combustor through combustion air pipe, and the high temperature flue gas produced by combustor combustion enters the coil in the preheating area through flue gas main pipe and preheats work piece, and reduces energy consumption.
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