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Box-type resistance furnace

A box-type resistance furnace and furnace technology, which is applied to furnaces, furnace types, lighting and heating equipment, etc., can solve the problems of high maintenance cost, high difficulty, and low hardness of ceramic fibers.

Inactive Publication Date: 2010-01-20
LUOYANG SIGMA FURNACE
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The usual laboratory box-type resistance furnace is mainly composed of furnace body, temperature, controller, heating element, thermocouple and compensation wire. The furnace body is composed of furnace and insulation materials. Different box-type resistance furnace insulation materials and insulation materials The thickness of the layer is also different. The furnace made of ceramic fiber material, during transportation, due to the low hardness of the ceramic fiber, will damage the furnace door for a long time, resulting in product quality problems; Difficult and costly to maintain

Method used

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Embodiment Construction

[0015] Specific embodiments of the present invention are described with reference to the accompanying drawings.

[0016] as attached figure 1 As shown: it includes an outer casing 1, a furnace 7 and a heating element, the heating element is located in the furnace, the furnace 7 is located in the outer casing 1, and an air cooling layer 6 is provided between the upper part of the furnace 7 and the outer surface on both sides and the inner wall of the outer casing; The hearth 7 is a gradient ceramic fiber hearth composed of inner and outer layers of ceramic fibers, wherein the inner layer is a high-temperature type ceramic fiber layer 4 and the outer layer is a low-temperature type ceramic fiber layer 5 . The inner bottom of the outer shell 1 is provided with a backing plate 2 capable of adjusting the height and level of the furnace, the furnace 7 is located on the backing plate 2, the backing plate 2 is fixed by the adjusting screw 3 and the bottom of the outer shell 1, and a c...

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Abstract

The invention discloses a box-type resistance furnace, comprising an outer shell (1), a fire box (7) and a heating element, wherein, the fire box is arranged in the outer shell, the heating element is arranged in the fire box, and an air insulation layer (6) is arranged between the outer surface at the upper part and both sides of the fire box (7) and the inner wall of the outer shell. The invention has simple structure, easy installation, safe transportation and low post-maintenance cost.

Description

technical field [0001] The invention belongs to laboratory heating equipment, and mainly relates to a box-type resistance furnace. Background technique [0002] The usual laboratory box-type resistance furnace is mainly composed of furnace body, temperature, controller, heating element, thermocouple and compensation wire. The furnace body is composed of furnace and insulation materials. Different box-type resistance furnace insulation materials and insulation materials The thickness of the layer is also different. The furnace made of ceramic fiber material, during transportation, due to the low hardness of the ceramic fiber, will damage the furnace door for a long time, resulting in product quality problems; Difficulty is bigger, maintenance cost is also bigger. Contents of the invention [0003] The object of the present invention is to provide a box-type resistance furnace with simple structure, convenient installation, safe transportation, and low maintenance cost in t...

Claims

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Application Information

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IPC IPC(8): F27B17/02
Inventor 周森安陈昕潘雪郑传涛
Owner LUOYANG SIGMA FURNACE
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