Heat-resistant cast-iron furnace grate
1. According to the structural characteristics of furnace grate and technical requirements, using the bottom injection rain pour pouring system, organic ester water glass since the hard sand group core selection, strict control of melting, spherical processing process, reasonable design tooling, produce surface quality, size tolerance, mechanical properties meet the requirements of large silicon heat resistant ductile iron furnace grate.
2. The main problems existing in the casting process, According to the structure and technical requirements of the grate, the die casting process is adopted instead of sand casting, and the improved casting process is determined from the process parameters, white mold, pouring system, die coating, pouring temperature and negative pressure parameters. The results show that the mechanical properties of the grate and the requirements of users. Compared with sand casting, the production rate of casting is obviously improved, the processing cycle is shortened, and the economic benefit is remarkable.
1. In some meaning, furnace grate is an iron box, mainly between the furnace bottom and furnace, the purpose is to bear coal leakage ash, when we placed furnace grate, mainly have two different ways, the first is flat, the second is inclined, oblique, the height of the difference is about 20 to 50 mm.
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