Furnace roller thermal insulation protection process

Abstract

The invention relates to a furnace roller heat insulation protective technique, especially to a bearing cam roller heat insulation protective technique for roller-hearth soaking furnace or heating furnace. The technique includes following steps: cast the special roller high temperature adhesive on the appointed heat insulation sections on the bearing cam roller and then place the special made ceramic fiber blocks on above sections while cast the high temperature adhesive on the bonding sections; pressing on the blocks while keeping them clean; cast special high temperature infrared complex cement for rollers on the surface of the block and dry the block in shade; finally place heat resistant steel clasper on the blocks coated with the cement and tightly fix them together to make into use. The invention is of simple techniques, low cost, low labor intensity, fine working environment, heat resistance, enhanced heat shock resistance difficult to corrupt, light weight alleviating the load on the roller under high temperature, low heat conducting coefficient, low heat leaking, effective energy saving and long service life.

Description

technical field [0001] The invention relates to a furnace roller heat insulation protection technology, in particular to a load-bearing cam furnace roller heat insulation protection technology for a roller hearth type soaking furnace or a heating furnace. Background technique [0002] Currently on the market for industrial production, such as steel rolling, ceramic roasting, machining heat treatment and other industries, the roller hearth type soaking furnace, the important part-the load-bearing cam furnace roller, because the working environment temperature is as high as 1300- 1400°C, long-term 24-hour continuous heavy-load operation, it must be implemented with heat insulation protection technology. At present, most of the heat insulation protection measures for furnace rollers are to take methods such as winding heat insulation materials, pouring water-resistant materials or spraying heat insulation materials. These methods may lead to many adverse phenomena. First, the ...

AI Technical Summary

Problems solved by technology

These methods may lead to many adverse phenomena. First, the maintenance and replacement process of the thermal protection device of the load-bearing cam furnace roller is complicated, the maintenance is extremely inconvenient, consumes a lot of man-hours, and the labor intensity is high; second, it is not resistant to high temperature, poor in thermal shock resistance, and easy to crack. Peeling and damage; third, the weight is large, which increases the load-bearing weight under high temperature; fourth, it leads to high word count, high heat loss, and even burns out the furnace roller, resulting in a short service life; fifth, frequent maintenance and reduced production hours affect production efficiency