Chain furnace knowledge The chain furnace is a fire-bed furnace with a wide range of applications, with a history of more than 100 years. At present, the capacity of domestic chain furnaces is 240t/h, and our company has achieved 160t/h hot water boilers.Vacuum heat treatment of sheet parts The chain furnace is a typical front-fed fuel boiler, and the grate moves slowly from front to back like a belt conveyor. The fuel descends from the coal hopper and falls on the grate, and travels with the grate. Air is introduced from below the grate from bottom to top, intersecting the direction of fuel supply. When the fuel passes through the coal gate, it is scraped to a certain thickness and then enters the furnace. After the fuel is radiantly heated in the furnace, it enters the combustion stage. 1. Chain belt grate: The shape of the grate pieces is like a link, and the whole grate itself is a wide annular chain belt formed by these "links" in series, and the chain belt is surrounded by the sprocket and supported on the front and rear axles.Vacuum Brazing and Heat Treatment Process of Stainless Steel Surgical Instruments 2. Beam type grate: The rigid beam is used as the support and series structure of the grate piece. The beam grate is very convenient to replace the grate pieces during operation, and the grate surface is relatively flat, which is extremely durable. The width and length of this grate can be made very large.How to control distortion in vacuum heat treatment of sheet parts?
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