Continuous heating furnace, hanging wall for continuous heating furnace and manufacturing method thereof

Abstract

The invention discloses a continuous heating furnace, which includes a heating chamber and an outlet sealing door for discharging heated objects, wherein the heating chamber includes several heating zones, wherein the heating furnace also includes a hanging wall made of refractory material Hanging wall, which is set between the last heating zone of the continuous heating furnace and the exit sealing door, and is suspended on the top of the heating room. The width of the hanging wall is equal to that of the furnace, and the hanging wall is suspended from the top of the heating room. The lower vertical height does not hinder the passage of heated objects and discharge from the outlet airtight door. The invention also provides a hanging wall for a continuous heating furnace. The invention also provides a method for manufacturing the hanging wall used in the continuous heating furnace. In the present invention, by installing a hanging wall made of refractory material after the last heating zone of the traditional continuous heating furnace, it can realize lower investment, reduce the radiant heat spilled to the outside of the furnace, and improve the thermal efficiency of the continuous heating furnace. Enhance the stability of furnace pressure, reduce costs and increase efficiency, and have excellent economic benefits.

Description

technical field [0001] The invention relates to the technical field of industrial furnaces, in particular to a continuous heating furnace, a hanging wall for the continuous heating furnace and a method for manufacturing the hanging wall for the continuous heating furnace. Background technique [0002] During the manufacturing process of metal materials, heating and heat treatment are required, and production lines with large capacity requirements often use continuous heating furnaces to heat and heat treat metal materials. Traditionally, the continuous heating furnace has no seal, and the metal material passes directly through the furnace area without stopping. [0003] figure 1 A conventional continuous furnace is shown. Such as figure 1 As shown, the traditional continuous heating furnace includes a furnace 1, a burner 2 and an outlet sealing door 3, wherein, after the metal material passes through the radiation preheating section and the heating chamber of the furnace ...

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Problems solved by technology

[0004] However, when the traditional continuous heating furnace is in operation, because of the limited heat insulation of the outlet airtight door 3, a large amount of radiant heat will escape to the outside of the furnace through the outlet airtight door 3 in the last heating zone, which will reduce the thermal efficiency of the heating furnace, and therefore will As a result, the furnace pressure is reduced, and the stability of the furnace pressure of the entire heating furnace is deteriorated

[0005] Therefore, the traditional continuous heating furnace has the following disadvantages: the thermal efficiency of the heating furnace is low; the furnace pressure stability is poor

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