A boiler induced draft damper anti-closing device
By installing components such as damper frames, damper plates, and gears on the damper of the boiler induced draft fan, and using a drive motor to control the opening and closing of the damper plate, the problem of self-closing of the damper due to vibration is solved, thus preventing increased power consumption and damage to the induced draft fan.
CN224340159UActive Publication Date: 2026-06-09TONGLING XUN AIRCRAFT ELECTRIC CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TONGLING XUN AIRCRAFT ELECTRIC CO LTD
- Filing Date
- 2025-06-27
- Publication Date
- 2026-06-09
AI Technical Summary
Technical Problem
Vibration can reduce the opening degree of the boiler induced draft fan outlet damper, leading to increased air pressure, increased power consumption, and even damage to the induced draft fan, resulting in economic losses.
Method used
It adopts components such as damper frame, damper plate, door shaft, gear, threaded cylinder, threaded rod, rack plate, and drive motor. The drive motor controls the opening and closing of the damper plate to achieve the anti-self-closing function and prevent the damper from reducing the opening degree due to vibration.
Benefits of technology
It effectively prevents the damper from reducing its opening degree due to vibration, avoids increased power consumption and damage to the induced draft fan, and reduces economic losses.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224340159U_ABST
Abstract
The application belongs to the technical field of induced draft fan dampers, and discloses a boiler induced draft fan damper self-closing prevention device, which comprises a damper frame, damper plates movably installed inside both sides of the front end of the damper frame, door shafts fixedly and in a penetrating manner installed in the inner cavities of one side of the two damper plates, and the two door shafts are rotatably installed at the positions of both sides of the front end of the damper frame, and the top of the two door shafts extends above the damper frame; the door shafts, gear one, the threaded cylinder, the threaded rod, the rack plate, gear two, gear three, the driving motor and the supporting piece and the limiting piece arranged at the damper frame and the damper plate of the boiler induced draft fan can control and position the opening and closing states of the two damper plates, realize the effective self-closing prevention function of the damper plate, prevent the damper plate from gradually reducing the opening state due to vibration, prevent the increase of power consumption and even the damage of the induced draft fan, and prevent the occurrence of great economic losses.
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