Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method and device for welding thin-wall micropipes of fluoroplastic heat exchanger

A technology of a fluoroplastic heat exchanger and a welding method is applied in the production of fluoroplastic (FEP) heat exchangers, the production of melt-processable fluoroplastic (FEP) heat exchangers, and the field of welding devices for realizing the above method, which can Solve the problems of complicated and time-consuming welding processes, and achieve the effects of protecting health, reducing welding processing costs, and uniform and easy-to-control temperature.

Active Publication Date: 2012-10-24
ZHUZHOU HONGDA POLYMER MATERIALS
View PDF7 Cites 12 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to propose a welding process for thin-walled microtubes of fluoroplastics (FEP) heat exchangers, which can effectively The solution to the thin-walled microtubes of fluoroplastic (FEP) heat exchangers is that the welding process is complicated, time-consuming and many problems by using a single tube fusion welding method

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and device for welding thin-wall micropipes of fluoroplastic heat exchanger

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0038] As can be seen from the accompanying drawings, the present invention relates to a welding method for thin-walled microtubes of fluoroplastic (FEP) heat exchangers, using a metal bath as a heat carrier to heat fluoroplastic thin-walled microtubes, placing a welding mold in the metal bath, and The tubes are placed in the welding mold, so that the thermal expansion of the fluoroplastic end plate in the welding mold is hindered, and the radial pressure is superimposed on the pressure of the thermal expansion of the expansion core inserted in the fluoroplastic thin-walled microtube, so that the fluoroplastic end plate in the molten state The tubes composed of fluoroplastic thin-walled microtubes are fused together under pressure to achieve the purpose of welding.

[0039] Further, the process of the metal bath welding method comprises the following st...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
melting pointaaaaaaaaaa
Login to View More

Abstract

The invention discloses a method for welding thin-wall micropipes of a fluoroplastic heat exchanger, which is characterized in that the fluoroplastic thin-wall micropipes are heated by metal bath as a heat carrier; a welding mold is placed in the metal bath; row tubes are placed in the welding mold to enable thermal expansion of a fluoroplastic end plate in the welding mold to be hindered in order to generate radial pressure; and the radial pressure is superposed with the pressure from the thermal expansion of an expansion core that is inserted in the fluorplastic heat exchanger, so that under molten state, the fluoroplastic end plate and the row tubes composed of the fluoroplastic thin-wall micropipes are molten together, and the welding purpose is achieved.

Description

technical field [0001] The invention relates to a manufacturing method of chemical materials, in particular to a manufacturing method of a melt-processable fluoroplastic (FEP) heat exchanger. It is mainly used in the production of fluoroplastic (FEP) heat exchangers. The invention also relates to a welding device implementing the above method. Background technique [0002] Fluoroplastic (FEP) heat exchangers are anti-corrosion heat exchange equipment developed in recent years for use in strong corrosive media. Due to its excellent chemical stability (resistance to all acids, alkalis, salts and organic solvents) and non-sticky surface, wide service temperature (-200 ~ 205 ℃) and excellent aging resistance, the outdoor service life is as long as 20 years The above are a class of excellent anti-corrosion materials. [0003] The fluoroplastic (FEP) heat exchanger is made of thin-walled micro-tubes (diameter ≤ Φ10mm, tube wall thickness ≤ 0.5mm), small in size and light in wei...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B29C65/02F28F21/06
Inventor 朱基贵孙生钧尹武涛
Owner ZHUZHOU HONGDA POLYMER MATERIALS
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com