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Annular heating furnace large soleplate adopting rolled blank and manufacturing method thereof

A technology of annular heating furnace and manufacturing method, which is applied in lighting and heating equipment, furnace, furnace type and other directions, can solve the problems of inability to meet the working needs of annular heating furnace, the organization structure is not dense, the strength and stability are poor, etc. Defects of microstructure, improvement of mechanical properties, effect of improving work performance

Inactive Publication Date: 2013-05-01
JIANGSU HUAXINDA SPECIAL STEEL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The commonly used large bottom plate of the annular heating furnace is made of ordinary heat-resistant steel casting process, which has many shrinkage cavities, non-compact structure, poor strength and stability in high temperature environment, unstable performance, variability, The working life is short and cannot meet the working needs of the annular heating furnace

Method used

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  • Annular heating furnace large soleplate adopting rolled blank and manufacturing method thereof
  • Annular heating furnace large soleplate adopting rolled blank and manufacturing method thereof
  • Annular heating furnace large soleplate adopting rolled blank and manufacturing method thereof

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Embodiment Construction

[0031] The large bottom plate of the annular heating furnace adopts rolling blanks. The main body of the large bottom plate is a disc structure. One side of the disc structure is a plane, and the center of the other side of the disc structure is a plane. The surface is coaxial with the large bottom plate, the thickness of the peripheral edge of the disc structure is smaller than the thickness of the center of the disc structure, a central hole is set in the center of the large bottom plate, and circular bosses are respectively set around the central hole on the two sides of the large bottom plate , the ring-shaped boss is coaxial with the central hole, the blank of the large bottom plate is a rolling blank, and the rolling blank is a part of the rolled plate, and the circumferential surface and the opposite two sides of the large bottom plate in the rolling blank are respectively provided with machining allowances. quantity. The thickness of the machining allowance is adapted ...

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Abstract

The invention relates to an annular heating furnace large soleplate adopting a rolled blank, and the annular heating furnace large soleplate is characterized in that a body of the large soleplate is a disk structure, one side surface of the disk structure is a plane, the center on the other side of the disk structure is a plane, the periphery of the plane is a conical surface, the center of the large soleplate is provided with a central hole, an annular lug boss is arranged around the central hole, and the blank of the large soleplate is a rolled blank. The large soleplate is made of heat-resistant stainless steel, the heat-resistant stainless steel is cast by a steel die into a cast blank, the cast blank is rolled into a rolled plate after the solution treatment, after rough mechanical machining and fine mechanical machining, the rolled plate is nondestructively examined, and a product passing through the nondestructive examination is a large soleplate finished product. According to the annular heating furnace large soleplate adopting the rolled blank and the manufacturing method thereof, the characteristics of a rolling process can be utilized to improve the structure of the blank, so that the high-temperature strength and the high-temperature stability of the annular heating furnace large soleplate can be greatly improved, the working requirement of an annular heating furnace can be met, and the effect is remarkable.

Description

technical field [0001] The invention relates to a large bottom plate of an annular heating furnace and a manufacturing method thereof, in particular to a large bottom plate of an annular heating furnace using a rolled blank and a manufacturing method thereof. Background technique [0002] The ring heating furnace is the heating equipment for heating the workpiece in the thermal processing and heat treatment process. The large bottom plate of the ring heating furnace is set at the bottom of the ring heating furnace, and it needs to work stably for a long time under the condition of bearing load in a high temperature environment. The commonly used large bottom plate of the annular heating furnace is made of ordinary heat-resistant steel casting process, which has many shrinkage cavities, non-compact structure, poor strength and stability in high temperature environment, unstable performance, variability, The working life is short and cannot meet the working needs of the annula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B13/06B23P15/00C22C38/58C22C38/52
Inventor 张光华易云杰
Owner JIANGSU HUAXINDA SPECIAL STEEL TECH
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