一种电炉余热锅炉沉降室耐高温层结构

By using a segmented frame structure and a high-temperature resistant layer design with metal reinforcing ribs, combined with zirconium heat-insulating fiberboard and refractory brick layers, the problems of cracking, bulging, and collapse of the high-temperature resistant layer in the settling chamber were solved, achieving a long service life and efficient production of the high-temperature resistant layer.

CN224516833UActive Publication Date: 2026-07-17SHANXI TONGCAI IND & TRADE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANXI TONGCAI IND & TRADE CO LTD
Filing Date
2025-08-30
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The high-temperature resistant layer of the settling chamber is prone to cracking, bulging, and collapse in the electric furnace, leading to frequent maintenance, affecting production continuity and increasing economic losses.

Method used

The high-temperature resistant layer adopts a segmented frame structure, combined with metal reinforcing ribs and high-alumina cast refractory, and is further reinforced with zirconium-containing heat-insulating fiberboard and refractory brick layer to enhance structural strength and resistance to thermal expansion and contraction.

Benefits of technology

Extend the service life of the high-temperature resistant layer to more than 1 year, reduce the number of maintenance and costs, ensure continuous production of the electric furnace, and reduce construction risks and labor intensity of workers.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224516833U_ABST
    Figure CN224516833U_ABST
Patent Text Reader

Abstract

本实用新型涉及电炉余热锅炉技术领域,公开了一种电炉余热锅炉沉降室耐高温层结构,包括沉降室外壳、耐高温层、隔热层和耐火砖层,所述沉降室外壳内侧设置有耐高温层,所述耐高温层采用分块框架式结构,包括框梁、隔热层、耐火砖层;所述框梁将沉降室的单面墙分为若干块框,所述块框包括高铝浇铸料层,所述高铝浇铸料层内预埋设有金属加强筋,所述隔热层设置在沉降室外壳内侧,所述耐火砖层设置在隔热层的内侧。本实用新型降低了耐高温层损坏风险,延长了使用寿命,节约了检修成本,为电炉连续生产创造了条件。
Need to check novelty before this filing date? Find Prior Art

Claims

1. A high-temperature-resistant layer structure of a settling chamber of an electric furnace waste heat boiler, characterized by: The system includes a settling chamber shell, a high-temperature resistant layer, a heat insulation layer, and a refractory brick layer. The high-temperature resistant layer is located inside the settling chamber shell and adopts a segmented frame structure, including frame beams, a heat insulation layer, and a refractory brick layer. The frame beams divide one wall of the settling chamber into several frames, each frame including a high-alumina castable layer with embedded metal reinforcing ribs. The heat insulation layer is located inside the settling chamber shell, and the refractory brick layer is located inside the heat insulation layer.

2. The refractory structure of a settling chamber of a waste heat boiler of an electric furnace according to claim 1, characterized in that: The block frame has a size of 2m*2m, and the metal reinforcing ribs are stainless steel bars with a diameter of 8mm.

3. The high-temperature resistant layer structure of the settling chamber of an electric furnace waste heat boiler according to claim 1, characterized in that: The insulation layer is a 50mm thick zirconium-containing fiberboard.

4. The refractory structure of a settling chamber of an electric boiler waste heat boiler according to claim 1, characterized in that: The refractory brick layer includes secondary high-alumina refractory bricks and lightweight insulating refractory bricks, with the secondary high-alumina refractory bricks disposed between the lightweight insulating refractory bricks and the insulation layer.