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Manufacturing method for heating furnace bottom plate
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A manufacturing method and heating furnace technology, which are applied in the field of heating furnace bottom plate processing and heat treatment, can solve the problems of inability to work at high temperature for a long time, short life, poor heat resistance of the heating furnace bottom plate, etc., and achieve low cost, easy processing, and method simple effect
Inactive Publication Date: 2015-04-01
WUHU JINLONG MOLD FORGING
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Problems solved by technology
[0003] Aiming at the problem that the existing heating furnace bottom plate has poor heat resistance and cannot work at high temperature for a long time, resulting in short service life, the present invention provides a manufacturing method of the heating furnace bottom plate, which is achieved by rationally configuring the composition of the heating furnace bottom plate material and the composition The corresponding heat treatment process improves the heat resistance of the bottom plate of the heating furnace, thereby achieving the purpose of increasing its service life
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Embodiment 1
[0020] A method for manufacturing a heating furnace bottom plate, comprising the following steps:
[0021] (1) Preparation of heating furnace floor material:
[0022] The mass percentage of the material components of the bottom plate of the heating furnace is: C: 2.4%, Si: 5.0%, Mg: 0.04%, Mn: ≤0.7%, P: ≤0.1%, S: ≤0.03%, and others are Fe;
[0023] (2) Casting of the bottom plate of the heating furnace;
[0024] (3) Preheating treatment of the bottom plate of the heating furnace:
[0025] Put the casting of the bottom plate of the heating furnace into the heating furnace, heat it to 450°C, and keep it warm for 1 h After taking it out, complete the preheating treatment of the casting on the bottom plate of the heating furnace;
[0026] (4) Finishing of the bottom plate of the heating furnace;
[0027] (5) Put the finished heating furnace bottom plate into the induction heating furnace for surface quenching by induction heating, rapidly heat the casting to 900°C, and then us...
Embodiment 2
[0029] A method for manufacturing a heating furnace bottom plate, comprising the following steps:
[0030] (1) Preparation of heating furnace floor material:
[0031] The mass percentage of the material components of the bottom plate of the heating furnace is: C: 3.1%, Si: 6.0%, Mg: 0.08%, Mn: ≤0.7%, P: ≤0.1%, S: ≤0.03%, and others are Fe;
[0032] (2) Casting of the bottom plate of the heating furnace;
[0033] (3) Preheating treatment of the bottom plate of the heating furnace:
[0034] Put the casting of the bottom plate of the heating furnace into the heating furnace, heat it to 520°C, and then keep it warm for 2 h After taking it out, complete the preheating treatment of the casting on the bottom plate of the heating furnace;
[0035] (4) Finishing of the bottom plate of the heating furnace;
[0036] (5) Put the finished heating furnace bottom plate into the induction heating furnace for induction heating surface quenching, quickly heat the casting to 950 ° C, and the...
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Abstract
The invention discloses a manufacturing method for a heating furnace bottom plate and belongs to the technical field of machine manufacturing. The manufacturing method for the heating furnace bottom plate includes steps that (1) preparing heating furnace bottom plate material; (2) casting the heating furnace bottom plate; (3) pre-heating the heating furnace bottom plate; (4) finishing the heating furnace bottom plate; (5) placing the finished heating furnace bottom plate in an induction heating furnace, performing induction heating and surface hardening, quickly heating the cast piece to 900 to 950 degrees centigrade, and using air cooling to dissipate heat quickly. The manufacturing method for the heating furnace bottom plate solves the problems that an existing heating furnace bottom plate is bad in heat resistance so that the existing heating furnace bottom plate is incapable of working under a high temperature for a long time and short in life span; the manufacturing method for the heating furnace bottom plate has advantages of easiness in operation, low cost and easiness in manufacturing.
Description
technical field [0001] The invention belongs to the technical field of mechanical manufacturing, and more specifically relates to a method for processing and heat-treating the bottom plate of a heating furnace. Background technique [0002] The heating furnace is a commonly used heating treatment tool in metalsmelting, and its temperature is generally as high as 1000-1200°C. As a stress member in the heating process—the heating furnace bottom plate, it has been subjected to high temperature for a long time. Therefore, for the manufacture of the heating furnace bottom plate, Its heat resistance needs to be considered so that it can work at high temperature for a long time. Contents of the invention [0003] Aiming at the problem that the existing heating furnace bottom plate has poor heat resistance and cannot work at high temperature for a long time, resulting in short service life, the present invention provides a manufacturing method of the heating furnace bottom plate,...
Claims
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Application Information
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