Heat exchanger header air gathering pipe assembly and manufacturing method thereof

Abstract

The invention discloses a heat exchanger header air gathering pipe assembly. A stainless steel connecting pipe and stable frames are included. The stainless steel connecting pipe comprises a first stainless steel connecting pipe body and a second stainless steel connecting pipe body which are each provided with at least two steel branch pipes and the corresponding stable frame. A manufacturing method of the heat exchanger header air gathering pipe assembly comprises the following steps that firstly, stainless steel connecting pipe and steel branch pipe preparing is conducted; secondly, stainless steel connecting pipe and steel branch pipe welding work is conducted; and thirdly, air gathering pipe assembly assembling is conducted. According to the heat exchanger header air gathering pipe assembly and the manufacturing method thereof, the stainless steel connecting pipe is divided into two connecting pipe bodies, and when one connecting pipe body goes wrong, only the connecting pipe bodywith the fault needs to be replaced; and the design of the stable frames is adopted, and actual installation of the air gathering pipe assembly can be facilitated. A welding device is adopted in theheat exchanger header air gathering pipe assembly, electric resistance welding work between the stainless steel connecting pipe and the steel branch pipes is achieved, simultaneous welding work is conducted between the multiple steel branch pipes and the stainless steel connecting pipe at the same time, and the electric resistance welding rate and quality are effectively improved.

Description

technical field [0001] The invention belongs to the technical field of gas collecting pipes, and in particular relates to a heat exchanger header gas collecting pipe assembly and a manufacturing method thereof. Background technique [0002] A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid, also known as a heat exchanger. Heat exchangers play an important role in chemical, petroleum, power, food and many other industrial productions. In chemical production, heat exchangers can be used as heaters, coolers, condensers, evaporators and reboilers, etc., and are widely used . The air collecting pipe assembly is a component of the heat exchanger. The installation stability of the existing air collecting pipe assembly is average, and once there is a problem with the air collecting pipe, the entire pipe must be replaced, resulting in high maintenance costs. Moreover, the flame welding is generally adopted between the main pipe and the sub-...

AI Technical Summary

Problems solved by technology

The air collecting pipe assembly is a component of the heat exchanger. The installation stability of the existing air collecting pipe assembly is average, and once there is a problem with the air collecting pipe, the entire pipe must be replaced, and the maintenance cost is high

Moreover, the flame welding is generally used between the main pipe and the branch pipe in the existing gas collecting pipe, which has high requirements for the technical level of the operator, and there is a large hidden danger of operation safety.

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