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Arc-shaped heater

A heater and arc-shaped technology, applied in the field of manifold processing machinery, can solve the problems of reducing the production efficiency of manifolds and product quality, and achieve the effects of improving production efficiency and product quality, simple structure, and uniform heating surface

Inactive Publication Date: 2010-02-10
合肥实华管件有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this invention is to provide a kind of arc heater, to solve the problem that the production efficiency and product quality of the collecting pipe are reduced by the air gun fire roasting technology of the traditional technology

Method used

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  • Arc-shaped heater

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Embodiment Construction

[0012] The arc heater includes a casing 1, and the casing 1 is a metal casing. Flange 2 is installed on the bottom and outer end of shell 1, the shape of the inner wall of shell 1 matches the external shape of the pipe fitting to be processed, and the inner wall of shell 1 is attached with insulation layer 3 and heating layer 4 in turn, and the heat preservation layer 3 is located between shell 1 and heating layer 4 In between, the insulation layer 3 is made of insulation cotton, the heating layer 4 is made of resistance wires arranged on the insulation layer, and the heating layer 4 has a power line drawn out to connect with an external power supply. The top of the shell 1 has a circular hole 5 penetrating through the shell 1 and the insulation layer 3 toward the inside of the shell 1 .

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Abstract

The invention relates to an arc-shaped heater, comprising a shell, a heat preservation layer and a heating layer; a flange is arranged at the outer end of the bottom of the shell, the shape of inner wall of the shell is in match with that of the exterior of the pipe fitting, the heat preservation layer and the heating layer are attached on the inner wall of the shell in sequence, wherein the heatpreservation layer is arranged between the shell and the heating layer, and through holes are opened from the top of the shell to the interior of the shell. The invention is simple in structure and easy for operation, the heating surface thereof is comparatively uniform, and the heating speed is rapid, thus greatly improving the productivity and the quality of the products.

Description

technical field [0001] The invention relates to the field of manifold processing machinery, especially arc heaters. Background technique [0002] At present, in the field of pipeline transmission, the application of manifolds is becoming more and more extensive, and the demand is also increasing. On a main pipe, multiple branches are made, and the branches can be distributed in different positions on the multi-surface of the main pipe according to different requirements. The two ports and each branch of the main pipe can be welded according to different requirements. Fittings or connecting flanges, etc., thus forming a complete piping system, hence the name manifold. When making a large-diameter manifold, it is necessary to locally heat the pipe, while the other half must be kept at a low temperature. The traditional way of roasting with an air gun, because the range of the roasting is uneven, the time required for the roasting is also long, which brings great inconvenienc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/00
Inventor 贾文明贾文峰周德峰赵克忠徐英宝曹先泉王浩
Owner 合肥实华管件有限责任公司
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