Boiler plate heating device and method

A heating device and plate technology, applied in boiler water pipes, metal material coating processes, coatings, etc., can solve the problems of difficult to use auxiliary parts, do not consider bimetallic deformation, shape distortion, etc., and achieve good flatness , Improve straightness, stable bending effect
CN1715449AActive Publication Date: 2006-01-04DAI ICHI HIGH FREQUENCY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DAI ICHI HIGH FREQUENCY
Publication Date
2006-01-04

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Abstract

To provide a boiler panel having improved straightness and flatness. When an alloy coating 14 formed on the single face of the boiler panel 10 with flame coating is welded thereto in a moving heating method, the panel 10 is pulled in a direction Z of the vertical length of a moving inductor 25 to correct the deformation of the panel and a lined position forcing cylinder 21 is used for restricting the displacement of the panel 10 in two-axial directions X, Y intersecting the direction Z at a number of points. The straightness and flatness of the boiler panel 10 are improved by melting treatment while correcting the deformation of the boiler panel, without damaging the alloy coating 14.
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Description

technical field

[0001] The present invention relates to a boiler plate heating device and a method for manufacturing an alloy-clad boiler plate that heats a boiler plate and a single-sided alloy clad layer thereon by means of moving heating.

[0002] The boiler plate is a plate-tube composite plate used to make furnace shells equipped with cooling water channels on various boilers. Multiple plates are welded vertically and horizontally to form the furnace shell.

[0003] On the boiler plate, in order to improve the durability of the inner surface of the furnace shell, one side is coated with an autodissolvable alloy of nickel or the like.

[0004] In order to efficiently form the alloy clad layer of the boiler plate, it is formed by a thermal spraying step performed first and a deposition heating step (melting treatment step) performed thereafter. That is, first, in the thermal spraying process, the alloy material for forming the upper clad layer is sprayed on the entire area...

Claims

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