The refractory lining of the methanation reactor is generally made of refractory bricks, refractory concrete, plastics, fiber materials and anchors. The quality of the refractory lining depends on the structural design, material design, material production, material construction, lining oven and Use other factors. The lining design should consider the operating temperature, operating pressure, atmosphere, media flow rate, etc. to determine the lining material used, the structural form, the lining thickness and so on.
Material design should be based on the temperature, atmosphere, flow rate, etc. decided to use the main material, bonding agent, etc., to determine the bulk density, ceramic fiber blanket strength, line change, heat transfer coefficient and other indicators, and then verify the test can meet the design requirements. Material production is material procurement, metering, mixing, packaging and inspection in accordance with the material formula to ensure that material design requirements are met. Material construction is based on the design requirements, the lining material is installed according to the design of the structure to the designated location.
A lining oven is the process of drying the moisture that is introduced into the lining to stabilize the structure. The instability of the process, such as temperature fluctuations, flow rate changes, etc., can have a significant effect on the refractory lining.
Therefore, it is necessary to make a refractory lining inside the metal shell to protect the metal shell, reduce safety risks, improve the working environment, ensure safe and stable long-term operation of the device, and second, reduce energy loss and increase economic efficiency. Therefore, the importance of the lining of high-temperature equipment must be fully understood and valued.
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