Improved furnace door cleaning device and method of operation thereof

CN117448016BActive Publication Date: 2026-07-03DALIAN HUARUI HEAVY IND GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
DALIAN HUARUI HEAVY IND GRP CO LTD
Filing Date
2023-12-11
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing furnace door cleaning devices suffer from problems such as complex structure, high maintenance requirements, short equipment life, and inability to adapt to furnace door deformation, leading to decreased sealing performance and environmental pollution.

Method used

It adopts an inner frame, inner blade holder, outer blade holder and door-adjustable mechanism, combined with multiple sets of scrapers and hydraulic system to achieve multi-angle cleaning of furnace door. The lifting and lateral movement mechanism compensates for errors and deformation. The structure is simple and easy to maintain.

Benefits of technology

It improves the cleaning effect of furnace doors, enhances the rigidity and adaptability of equipment, reduces maintenance, extends equipment life, and ensures the sealing performance of furnace doors.

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    Figure CN117448016B_ABST
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Abstract

This invention provides an improved furnace door cleaning device and its working method. The device includes an inner frame, an inner blade holder, an outer blade holder, and a door-adjusting mechanism. A lifting mechanism is mounted on the inner frame, and the inner blade holder is connected to the inner frame via the lifting mechanism. The lifting mechanism drives the inner blade holder to reciprocate up and down. The inner blade holder is equipped with a first set of scrapers and a second set of scrapers. The first set of scrapers is used to clean the sides of the furnace bricks, and the second set of scrapers is used to clean the blade edge and web. A lateral movement mechanism is mounted on the inner blade holder, and the outer blade holder is connected to the inner blade holder via the lateral movement mechanism. The outer blade holder is located in front of the inner blade holder and distributed on the left and right sides inside the inner frame. A third set of scrapers is mounted on the outer blade holder, and the third set of scrapers is used to clean the base of the furnace door. The door-adjusting mechanism is installed on the inner frame to compensate for errors in the door-removing machine and stopping, as well as to compensate for thermal deformation of the furnace door. This invention features a simple structure, easy scraper replacement, good furnace door cleaning effect, high structural rigidity, and adaptability to various furnace door deformations.
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