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Manufacturing process of smoke waste heat exchanger for radiant tube burner

A flue gas waste heat and manufacturing process technology, applied in manufacturing tools, heat exchange equipment, applications, etc., can solve problems such as low work efficiency and poor welding quality, and achieve the effects of high production efficiency, good cohesion, and proper method steps

Inactive Publication Date: 2014-12-10
武汉宇宙科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects and problems of poor welding quality and low working efficiency in the prior art, and provide a flue gas waste heat exchanger for radiant tube burners with good welding quality and high working efficiency Craftsmanship

Method used

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  • Manufacturing process of smoke waste heat exchanger for radiant tube burner
  • Manufacturing process of smoke waste heat exchanger for radiant tube burner
  • Manufacturing process of smoke waste heat exchanger for radiant tube burner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0105] A manufacturing process of a flue gas waste heat exchanger for a radiant tube burner, the manufacturing process sequentially includes the following steps:

[0106] The first step: the assembly of the external air duct 12 and the air inlet duct 13, see figure 1 , figure 2 and image 3 :

[0107] First weld the top of the air inlet pipe 13 to the left end of the external air duct 12 so that the air inlet pipe 13 and the external air duct 12 are vertically connected and communicated. During welding, the top of the air inlet pipe 13 and the external air duct The outer surface of the joint at the left end of 12 is fully welded, and at least one semicircular support group 2 is installed on the outer side of the external air duct 12 away from the air inlet pipe 13, and then the airtight leakage inspection is carried out. Complete the assembly of this step;

[0108] The semicircle support group 2 includes four semicircle supports uniformly arranged along the circular cross...

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PUM

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Abstract

A manufacturing process of a smoke waste heat exchanger for a radiant tube burner sequentially comprises the steps of assembling of an external air guide tube and an air inlet tube, assembling of a sealing head and an external fin heat exchange tube, assembling of the external fin heat exchange tube, the external air guide tube, the air inlet tube and a jacketed tube, assembling of a special flange, a smoke guide tube and a blocking plate, assembling of an air inlet flange and a reinforcing tube, assembling of a heat exchange ring, an air jet flow tube, a bending tube and a middle guide tube, assembling of the smoke guide tube, a smoke outlet flange and a smoke outlet tube, and assembling of a flow baffle and lifting lugs. The steps are bridged well, and are proper, the production efficiency is improved, meanwhile, the welding process is flexible and changeable, the welding deformation amount is small, and the welding line quality is greatly improved. According to the manufacturing process, the welding quality is good, and the production efficiency is higher.

Description

technical field [0001] The invention relates to the technical field of heat exchange, in particular to a manufacturing process of a flue gas waste heat heat exchanger for a radiant tube burner, which is particularly suitable for improving weld seam quality and production efficiency. Background technique [0002] Heat exchanger is a general equipment widely used in chemical industry, oil refining, power, food, light industry, atomic energy, pharmaceutical, machinery and many other industries. In recent years, with the improvement of product quality, pollutant discharge, waste heat recovery and control The requirements for accuracy are constantly improving, and the radiant tube heating technology has been widely promoted and applied in the field of heat exchangers. At the same time, high requirements are put forward for the manufacturing process of the flue gas waste heat heat exchanger for radiant tube burners. [0003] Chinese patent, the authorized announcement number is CN...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/16B23K9/02
CPCB23K31/02B23K2101/14
Inventor 李春波李浩李正朝
Owner 武汉宇宙科技有限公司
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