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Resistor-type heating body for stove

A resistance heating element, furnace resistance technology, applied in furnace heating elements, heating element materials, etc., can solve the problems of reducing the service life of resistance wires, and achieve the effect of working temperature, not easy to damage, and high working temperature

Inactive Publication Date: 2004-09-01
佛山市扬戈热处理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the furnace gas generated during the heat treatment will also reduce the service life of the resistance wire

Method used

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  • Resistor-type heating body for stove
  • Resistor-type heating body for stove
  • Resistor-type heating body for stove

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] As shown in the figure, the present invention mainly makes the metal resistance heating element 1 into a cylindrical shape that can be installed in the furnace 2 . The cylinder-shaped metal resistance heating element 1 in the furnace 2 is the furnace wall, and the high-temperature heat insulating material 4 is used for heat insulation between the cylinder-shaped metal resistance heating element 1 and the furnace shell 3 .

Embodiment 2

[0015] Such as figure 2 As shown, on the basis of Embodiment 1, the cylindrical metal resistance heating element 1 is divided into small pieces connected in series, so that the surface shape of the cylindrical metal resistance heating element 1 is labyrinth-like.

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Abstract

A resistor-type heating body for stove is featured by that a metallic resistor with cylindrical shape is installed in stove. Its advantages are high heat efficiency and temp and high durability.

Description

Technical field: [0001] The invention relates to a heating element. Background technique: [0002] Existing resistance heating elements used for heat treatment electric furnaces and other industrial electric furnaces are mostly wound with resistance wires or resistance strips. When working at temperatures exceeding 1000°C-1050°C, due to deformation of the resistance wires and peeling off of the scale, it is easy to cause inter-circle A short circuit causes the resistance wire to burn out. To achieve less and no oxidation decarburization heating, it is generally necessary to pass protective gas inside the muffle tank, so the use temperature of the muffle tank material determines the working temperature of the furnace. Generally, the working temperature of the muffle tank does not exceed 1000 °C, and , after the muffle tank is used, the heat transfer efficiency of the heating wire will decrease due to the barrier of the muffle tank. If the muffle furnace is not used, it will...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B3/10H05B3/62
Inventor 徐彰德
Owner 佛山市扬戈热处理有限公司