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Vacuum high-pressure gas quenching furnace with diversity channel

A variety of high-pressure gas technology, applied in the direction of furnace, quenching agent, furnace type, etc., can solve the problems of uneven cooling airflow distribution, small quenching gas flow, long quenching time, etc., to achieve rapid and uniform quenching effect, quenching gas flow The effect of large and short quenching time

Pending Publication Date: 2018-05-04
上海先越冶金技术股份有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

However, the structure of the current vacuum high-pressure gas quenching furnace is rigid, especially during quenching, the distribution of cooling air flow is uneven, the flow rate of quenching air is smaller, and the quenching time is longer

Method used

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] see Figure 1~2 , in an embodiment of the present invention, a vacuum high-pressure gas quenching furnace with a variety of flow channels includes a furnace body 1, a support frame 2 is arranged symmetrically on the bottom of the furnace body 1, and a centrifugal impeller 3 is arranged at the rear end of the furnace body 1 , the furnace body 1 is provided with a heating zone 4, the heating zone 4 has a square structure, and the furnace body 1 is provide...

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Abstract

The invention discloses a vacuum high-pressure gas quenching furnace with a diversity channel. The high-pressure gas quenching furnace with the diversity channel comprises a furnace body, wherein a centrifugal vane wheel is arranged on the rear end of the furnace body. The invention provides the high-pressure gas quenching furnace with the diversity channel, which is ingenious in structure arrangement and reasonable in arrangement; a hot air flow firstly and completely passes through a whole heat exchanger and then enters the centrifugal vane wheel, so that a better heat exchange effect and aneffect on protecting the centrifugal vane wheel against being impacted by a high-temperature air flow are achieved; the opening and the closing of each cabin door of a heating area and each baffle plate of a heat exchanger cabin port are automatically controlled through a program, and a specific gas quenching and cooling channel way is combined and built, so that workpieces can be quenched quickly and uniformly, and workpiece deformation is reduced; compared with a traditional square-shaped heating area gas quenching furnace, the novel structure is provided with the diversity gas quenching channel, so that a more uniform quenching effect can be achieved on large-sized workpieces, and the deformation is reduced maximally; and during quenching, a cooling air flow is more uniform to distribute, a quenching gas flow is larger, and the quenching time is shorter.

Description

technical field [0001] The invention relates to the technical field of heat treatment equipment, in particular to a vacuum high-pressure gas quenching furnace with multiple channels. Background technique [0002] Vacuum high-pressure gas quenching furnace is a vacuum heat treatment equipment with four-chamber graphite heating zone, high-power heat exchanger, diverse gas quenching flow channel and reversing mechanism, high-pressure inert gas quenching and cooling. Usually graphite heating zone, inert gas convection heating and vacuum heating are used, and the maximum heating temperature can reach 1350 degrees. When quenching, it is filled with high-pressure inert gas, and the high-efficiency heat exchanger and high-power fan are used for rapid heat exchange. The inert gas can reach a pressure of up to 20bar for rapid quenching, and can also achieve isothermal quenching. The vacuum high-pressure gas quenching furnace is mainly used for tool steel , Die steel, other high-alloy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/00C21D1/62C21D1/613
CPCC21D1/613C21D1/62C21D9/0062
Inventor 王翔
Owner 上海先越冶金技术股份有限公司
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