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Train heat exchanger production process

A production process and heat exchanger technology, applied in the field of train heat exchanger production process, can solve the problems of low strength, easy deformation, short service life, etc.

Pending Publication Date: 2021-07-30
JIANGSU TONGSHENG HEAT EXCHANGER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing heat exchangers usually have disadvantages such as low strength, easy deformation, and short service life due to insufficient production process control. Therefore, it is necessary to improve the existing production process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The present invention provides the following technical solutions: a train heat exchanger production process, comprising the following steps:

[0027] A. First select the steel substrate, clean and dry on both sides of the steel substrate;

[0028] B. Composite brazing solder layer on the surface of the dried steel substrate;

[0029] C. Then cut the steel base plate into multiple heat exchanger plates according to the specifications;

[0030] D. Stamping the heat exchanger plate to form a plate with a wavy surface;

[0031] E. Put the stamped plate into a high temperature furnace for high temperature heat treatment;

[0032] F. Weld the plate after high-temperature heat treatment in a high-temperature vacuum environment to obtain a semi-finished heat exchanger;

[0033] G. Polish and grind the semi-finished heat exchanger;

[0034] H. Afterwards, carry out the pressure test, and the qualified products are packaged and put into storage.

[0035] In this embodiment, ...

Embodiment 2

[0045] A train heat exchanger production process, comprising the following steps:

[0046] A. First select the steel substrate, clean and dry on both sides of the steel substrate;

[0047] B. Composite brazing solder layer on the surface of the dried steel substrate;

[0048] C. Then cut the steel base plate into multiple heat exchanger plates according to the specifications;

[0049] D. Stamping the heat exchanger plate to form a plate with a wavy surface;

[0050] E. Put the stamped plate into a high temperature furnace for high temperature heat treatment;

[0051] F. Weld the plate after high-temperature heat treatment in a high-temperature vacuum environment to obtain a semi-finished heat exchanger;

[0052] G. Polish and grind the semi-finished heat exchanger;

[0053] H. Afterwards, carry out the pressure test, and the qualified products are packaged and put into storage.

[0054] In this embodiment, the composition and weight percentage of the brazing solder layer ...

Embodiment 3

[0064] A train heat exchanger production process, comprising the following steps:

[0065] A. First select the steel substrate, clean and dry on both sides of the steel substrate;

[0066] B. Composite brazing solder layer on the surface of the dried steel substrate;

[0067] C. Then cut the steel base plate into multiple heat exchanger plates according to the specifications;

[0068] D. Stamping the heat exchanger plate to form a plate with a wavy surface;

[0069] E. Put the stamped plate into a high temperature furnace for high temperature heat treatment;

[0070] F. Weld the plate after high-temperature heat treatment in a high-temperature vacuum environment to obtain a semi-finished heat exchanger;

[0071] G. Polish and grind the semi-finished heat exchanger;

[0072] H. Afterwards, carry out the pressure test, and the qualified products are packaged and put into storage.

[0073] In this embodiment, the composition and weight percentage of the brazing solder layer ...

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Abstract

The invention discloses a train heat exchanger production process. The process comprises the following steps: A, firstly, selecting a steel substrate, and cleaning and drying the two surfaces of the steel substrate; B, compounding brazing solder layers on the surfaces of the dried steel substrate; C, cutting the steel substrate into a plurality of heat exchanger plates according to specifications; D, stamping the heat exchanger plates to form a plate with a wavy surface; E, putting the stamped plate into a high-temperature furnace to be subjected to high-temperature heat treatment; F, welding the plate subjected to high-temperature heat treatment in a high-temperature vacuum environment to obtain a heat exchanger semi-finished product; G, polishing and edging the heat exchanger semi-finished product; H, conducting a pressure test experiment, and packaging and warehousing qualified products. The production technology is easy to operate, the compressive strength and impact strength of the heat exchanger can be effectively improved, and the heat exchanger is not prone to deformation and damage and long in service life.

Description

technical field [0001] The invention relates to the technical field of heat exchanger production, in particular to a train heat exchanger production process. 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 . For example, the PTFE heat exchanger for low-temperature use in power plants is a new device for waste heat recovery in power plants to reduce the exhaust gas temperature. The use of fluoroplastic heat exchangers can prevent acid corrosion and reduce the flue gas temperature to less than 100 degrees. Zhengzhou University of Technology successfully developed the polytetrafluoroethylene (referred to as F-4) tube-sheet...

Claims

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Application Information

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IPC IPC(8): B23P15/26
CPCB23P15/26
Inventor 陆军峰
Owner JIANGSU TONGSHENG HEAT EXCHANGER
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