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Box-type resistance furnace

A box-type resistance furnace and furnace body technology, applied in furnaces, furnace components, lighting and heating equipment, etc., can solve problems such as affecting production efficiency and insufficient utilization of resources, achieving large loading capacity, enhancing thermal insulation effects, The effect of uniform furnace temperature

Active Publication Date: 2014-05-28
江苏新江南炉业科技有限公司
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  • Abstract
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Problems solved by technology

[0003] The purpose of the present invention is to provide a box-type resistance furnace to solve the problem that during the use of the box-type resistance furnace, the furnace body of the box-type resistance furnace should have a good heat insulation effect, so as to avoid the heat loss of the box-type resistance furnace. Cause resources can not be fully utilized, affecting the improvement of production efficiency

Method used

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Embodiment Construction

[0015] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0016] like figure 1 As shown, the present embodiment provides a box-type resistance furnace, including a furnace frame 1, a furnace body and a heating element 2, the furnace body is fixed on the furnace frame 1, a furnace is provided inside the furnace body, and the furnace body The body includes a furnace shell 3, an insulation layer 4 and a refractory layer 5 arranged sequentially from the outside to the inside, and the refractory layer 5 adopts a density less than 1100kg / m 3 , preferably 900kg / m 3 refractory bricks, the insulation layer 4 is made of aluminum silicate refractory fiber, the space between the furnace shell 3 and the insulation layer 4 is filled with frog stone powder, and the heating element 2 adopts a wave-shaped resistance band, and the resistance band is evenly arranged on the On the refractory layer 5 of the furnace bo...

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Abstract

The invention provides a box-type resistance furnace comprising a furnace stand, a furnace body and a heating element. The furnace body is fixed on the furnace stand and provided with a hearth inside. The furnace body comprises a furnace shell, an insulation layer and a fireproof layer sequentially from outside to inside. The fireproof layer is made out of refractory bricks smaller than 1100kg / m<3> in density. The insulation layer is made of aluminum silicate refractory fiber. The space between the furnace shell and the insulation layer is filled with vermiculite powder. The heating element is made of corrugated resistance tapes evenly disposed on the refractory layer of the furnace body. Two sides of the furnace body are provided with furnace doors which both are side-opening doors. Each furnace door comprises an inner layer of refractory cellucotton and an outer layer of a steel plate. The box-type resistance furnace is high in loading capacity and high in production efficiency, especially suitable for thermal treatment of small and medium sized machine parts, uniform in furnace temperature and good in insulation effect, can save energy by more than 20%, and is pollution free and good in environmental protection benefit.

Description

technical field [0001] The invention relates to a resistance furnace, in particular to a box-type resistance furnace. Background technique [0002] In the process of using the box-type resistance furnace, it is required that the furnace body of the box-type resistance furnace should have a good heat insulation effect, so as to avoid the heat loss of the box-type resistance furnace and cause the resources to not be fully utilized and affect the improvement of production efficiency. At the same time, in order to improve the processing speed, it should be easy to process workpieces in and out of the furnace of the box-type resistance furnace under the premise of ensuring production safety. The above problems should be solved in the design and production process of the box-type resistance furnace. Contents of the invention [0003] The purpose of the present invention is to provide a box-type resistance furnace to solve the problem that during the use of the box-type r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B3/14F27B3/10F27B3/28F27D1/18
Inventor 马建国朱仁方
Owner 江苏新江南炉业科技有限公司
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