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Non-oxidation well vacuum furnace

A technology of vacuum furnace and oxidation well, which is applied in the field of non-oxidation well-type vacuum furnace to achieve the effects of reasonable design, long service life and improved production efficiency

Inactive Publication Date: 2014-09-03
江苏华烨炉业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the above-mentioned deficiencies in the annealing heat treatment of metal materials, the purpose of the present invention is to provide a non-oxidation well-type vacuum furnace for vacuum non-oxidation annealing heat treatment of metal materials, and effectively solve the problem of the use of vacuum sealing devices in high-temperature environments. longevity problem

Method used

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Embodiment Construction

[0011] Referring to the accompanying drawings, the non-oxidation well-type vacuum furnace of the present invention includes a furnace body, an inner container 15 and a cover body, the furnace body includes a furnace frame 1, a furnace shell 2 and a furnace lining 14, and the furnace frame 1 adopts channel steel It is welded with steel plates, fixedly positioned on the ground, and welded steel plates (thickness ≮ 3 mm) furnace shell 2 are attached to the surface of the furnace frame 1. The furnace shell 2 is fixed with a furnace lining 14 by riveting technology. In this embodiment, the total thickness of the furnace lining 14 is ≮300 mm, and a high-alumina fiber (composite) module with a bulk density of 200-250 kg / m3 is used, surrounded by the furnace lining 14. The opening of the furnace is upward, and a layer of high-temperature curing agent is sprayed on the surface of the furnace lining 14 to form a layer of heat insulation wall, which increases the strength and heat radiati...

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Abstract

The invention discloses a non-oxidation well vacuum furnace which comprises a furnace body, a liner (15) and a cover body, wherein the furnace body comprises a furnace frame (1), a furnace shell (2) and a furnace lining (14); the furnace shell (2) is fixed on the furnace frame (1); a screw rod lifting mechanism (6) mounted on the furnace body and the cover body is used for opening and closing the furnace cover (5) and the furnace body; a sealing ring (7) is arranged between the furnace cover (5) and the liner (15); the furnace cover (5) is provided with a vacuumizing pipe (11), a protective gas filling pipe (12) and a fan (10). The non-oxidation well vacuum furnace is characterized in that the furnace cover (5) is also provided with a thermocouple (9) which passes through the furnace cover (5) and enters the hearth to measure the temperature in the furnace and feeds the temperature back to a user. The non-oxidation well vacuum furnace disclosed by the invention is novel in conception and reasonable in design; in non-oxidation annealing treatment, the temperature of the whole furnace has good uniformity, and the scale of the annealed workpiece is avoided; quick cooling can be performed after heating, the production efficiency is greatly improved, and the service life is long.

Description

technical field [0001] The invention relates to the technical field of industrial heat treatment furnaces, in particular to an oxidation-free well-type vacuum furnace. Background technique [0002] For the annealing heat treatment of non-ferrous metals and other materials, the existing technology mostly uses ordinary bell-type furnaces or well-type oxidation annealing furnaces, which have low work efficiency and high energy consumption. The workpiece is oxidized at high temperature, and oxide scale corrosion products are easily formed on the surface. . Contents of the invention [0003] Aiming at the above-mentioned deficiencies in the annealing heat treatment of metal materials, the purpose of the present invention is to provide a non-oxidation well-type vacuum furnace for vacuum non-oxidation annealing heat treatment of metal materials, and effectively solve the problem of the use of vacuum sealing devices in high-temperature environments. longevity issue. [0004] The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/00C21D1/26C21D1/773C21D9/00
Inventor 李小明
Owner 江苏华烨炉业有限公司
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