Qingyun Hongsheng Machinery Parts Co., Ltd. is one of the most reliable manufacturers and suppliers of heat-resistant cast furnace door in China. We warmly welcome you to wholesale high quality heat-resistant cast furnace door at low price from our factory. If you have any enquiry about quotation, please feel free to email us.
Heat-resistant cast furnace door
Heat resistant steel ZG40Cr25Ni20Si2 furnace door plate is a kind of high performance heat resistant steel material, it can still maintain excellent performance at high temperature, is widely used in a variety of industrial furnace door, gate plate and other fields. We can also customize the furnace door for you for the materials you need.
Material selection of heat-resistant steel furnace door
Heat treatment furnace door is an important part of heat treatment furnace body, which is very critical for heat treatment efficiency and safety. Therefore, the following aspects should be considered in the selection of materials:
1. High temperature resistance: the heat treatment furnace door needs to run for a long time at high temperature, so it is necessary to choose materials with high temperature resistance.
2. Corrosion resistance: the heat treatment furnace door needs to often contact with the heat treatment media and gas, so you need to choose corrosion-resistant materials.
3. Strength: The heat treatment furnace door needs to bear large mechanical pressure, so it is necessary to choose materials with high strength.
According to the above requirements, the selection of heat treatment furnace door materials mainly includes stainless steel, alloy steel and superalloy, etc. For example, 1.4855 1.4837 under the EN 10285 standard, etc.
Processing technology of heat-resistant steel furnace door
1. Structural design of furnace door: the structural design of furnace door plays a vital role in sealing and stabilizing of the heat treatment furnace door. Under normal circumstances, the furnace door is composed of two parts: door body and door frame. On the door frame is fixed with the sealing strip of the furnace door and installed with insulation material.
2. Furnace door sealing: the heat treatment furnace door is the channel of the inlet and exiting of the heat treatment furnace body, so it is required that the furnace door has good sealing performance, flexible opening and closing, and long service life. In general, the material of the furnace door sealing strip is silicone rubber, silicone rubber sealing strip has good high temperature resistance, corrosion resistance and elasticity.
3. Furnace door plate processing: the processing of furnace door plate needs to be divided into multiple steps, including cutting, turning, bending, drilling, stamping, etc. Under normal circumstances, the furnace door plate adopts the stainless steel plate or alloy steel plate with about 5-10mm in thickness, so as to ensure the strength and stability of the furnace door.
Assembly of the heat-resistant steel furnace door
The heat treatment furnace door assembly mainly has the following steps:
1. Fixed door frame: fix the door frame on the heat treatment furnace body, and then apply sealant on the door frame, and then put the door body into the door frame, closely fit.
2. Install the seal strip: fix the seal strip above the door frame, pay attention to the smooth cross connection of the sealing strip, and closely contact the surface of the door body to ensure the sealing performance.
3. Install the door plate: fix the door plate on the door frame one by one according to the predetermined position. During the installation of bolts, attention should be paid to the bolts should be evenly tightened, to ensure the sealing and stability.
The production process of heat-resistant steel furnace door needs to consider many factors, from material selection, processing process to assembly and debugging, all need to be strictly controlled, to ensure the use effect and safety of heat treatment furnace door. Welcome to purchase.
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