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Annular heating furnace large bottom plate adopting rolled blank

A technology of annular heating furnace and bottom plate, 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, non-dense structure, poor strength and stability, etc., to eliminate microscopic Defects of organization, improvement of mechanical properties, effect of improving work performance

Inactive Publication Date: 2018-03-09
QINGDAO RUNCHENG VEHICLE FITTINGS CO LTD
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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 bottom plate adopting rolled blank
  • Annular heating furnace large bottom plate adopting rolled blank
  • Annular heating furnace large bottom plate adopting rolled blank

Examples

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Embodiment Construction

[0025] 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 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, the center of the other side of the disc structure is a plane, and the outer periphery of the plane is a conical surface. A center hole is arranged in the center of the bottom plate, and circular bosses are respectively arranged around the center hole, and the blank of the large bottom plate is a rolling blank. The material of the large bottom plate is heat-resistant stainless steel. The material is cast into a billet by steel mold casting. The billet is solid solution treated and then rolled into a rolled plate. The rolled plate is subjected to non-destructive inspection after rough machining and fine machining. , The products that pass the non-destructive testing inspection are finished large base plates. The large bottom plate of the annular heating furnace adopting rolling blanks of the present invention can improve the structure of the blank by utilizing the characteristics of the rolling process, greatly improve the high temperature strength and high temperature stability of the large bottom plate of the annular heating furnace, and adapt to the working needs of the annular heating furnace. 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): F27B17/00B23P15/00
CPCF27B17/00B23P15/00
Inventor 穆卫霞王明君于光铎
Owner QINGDAO RUNCHENG VEHICLE FITTINGS CO LTD
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