一种热镀锌炉烟气余回收热利用装置
By adding filter boxes and quick-release components to the flue gas system of the hot-dip galvanizing furnace, the problem of particulate matter clogging the heat exchanger in the flue gas was solved, achieving efficient waste heat recovery and easy cleaning, and ensuring long-term stable operation of the system.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENGSHUI JINGHUA STEEL PIPE
- Filing Date
- 2025-06-27
- Publication Date
- 2026-07-17
AI Technical Summary
The flue gas generated by hot-dip galvanizing furnaces contains a large amount of zinc oxide dust and other particulate matter. If it enters the heat exchanger directly, it will cause the formation of an ash layer, increase thermal resistance and block the flow channels, affecting the stable operation and economic benefits of the waste heat recovery system.
A filter box is added between the hot-dip galvanizing furnace and the flue gas condensation waste heat recovery unit. The filter plate with telescopic rod and spring support intercepts particulate matter. A quick-release component is designed to simplify the installation and removal of the top cover. A rotating plate and a contact plate are used to assist in cleaning the filter screen.
It effectively intercepts particulate matter in flue gas, protects heat exchangers, maintains high-efficiency heat exchange, simplifies cleaning processes, reduces labor intensity, and improves the practicality and stability of the equipment.
Smart Images
Figure CN224517433U_ABST
Abstract
Claims
1. A hot-dip galvanizing furnace flue gas heat recovery and utilization device, comprising a hot-dip galvanizing furnace body (1), characterized in that: A filter box (2) is fixedly connected to one side of the hot-dip galvanizing furnace body (1), a transmission pipe (3) is fixedly connected to one side of the filter box (2), a flue gas condensation waste heat recovery device (4) is fixedly connected to one end of the transmission pipe (3), a top cover (5) is provided on the upper surface of the flue gas condensation waste heat recovery device (4), a water storage tank (6) is fixedly connected to the outlet of the flue gas condensation waste heat recovery device (4), and a quick-release assembly is installed on the upper surface of the flue gas condensation waste heat recovery device (4). The quick-release assembly includes an installation rod (7), the lower end of which is fixedly connected to the upper surface of the flue gas condensation waste heat recovery unit (4). A spring (8) is sleeved on the outer surface of the installation rod (7), and a collar (9) is fixedly connected to the upper end of the spring (8). A sliding plate (10) is slidably connected to the inner wall of the installation rod (7). A locking block (11) is fixedly connected to one side of the outer wall of the sliding plate (10). A spring (12) is fixedly connected to one side of the inner cavity wall of the installation rod (7). An L-shaped connecting frame (13) is fixedly connected to the upper surface of the top cover (5) near the installation rod (7). A fixing block (14) is fixedly connected to one side of the outer wall of the L-shaped connecting frame (13). The inner wall of the fixing block (14) is engaged with the outer wall of the installation rod (7).
2. The device for recovering and utilizing heat from flue gas of a hot galvanizing furnace according to claim 1, characterized in that: A rotating plate (15) is rotatably connected to the upper surface of the filter box (2), and an abutment plate (16) is rotatably connected to the inside of the filter box (2) near the rotating plate (15).
3. The device for recovering and utilizing heat from flue gas of a hot galvanizing furnace according to claim 1, characterized in that: The top wall of the inner cavity of the filter box (2) is fixedly connected to a telescopic rod (17), and the lower end of the telescopic rod (17) is fixedly connected to a connecting block (18).
4. The device for recovering and utilizing heat from flue gas of a hot galvanizing furnace according to claim 3, characterized in that: A U-shaped frame (19) is fixedly connected to one side of the outer wall of the connecting block (18), and the outer wall of the U-shaped frame (19) is slidably connected to the inside of the filter box (2).
5. The device for recovering and utilizing heat from flue gas of a hot galvanizing furnace according to claim 4, characterized in that: The telescopic rod (17) is fitted with a spring three (20) on its outer wall, and a filter plate (21) is provided on the upper surface of the U-shaped frame (19).
6. The device for recovering and utilizing heat from flue gas of a hot galvanizing furnace according to claim 1, characterized in that: The inner wall of the collar (9) is fitted onto the outer wall of the mounting rod (7), and the lower surface of the collar (9) abuts against the lower surface of the top cover (5).
7. The device according to claim 1, characterized in that: One end of the second spring (12) is fixedly connected to one side of the outer wall of the sliding plate (10), and the outer wall of the locking block (11) penetrates the interior of the mounting rod (7) and abuts against the upper surface of the fixing block (14).
8. The device according to claim 5, characterized in that: One end of the spring three (20) is fixedly connected to the top wall of the inner cavity of the filter box (2), and the other end of the spring three (20) is fixedly connected to the upper surface of the connecting block (18).