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

Anti-corrosion process for offshore wind power generation rotary dehumidifier and salt mist purification filter unit

The technology of a rotary dehumidifier and filter unit is applied in the coating process of metal materials, the device for coating liquid on the surface, coating, etc., which can solve the problems of substandard anti-corrosion, short service life, and inconvenient maintenance, and achieve The effect of anti-corrosion ability improvement

Inactive Publication Date: 2021-03-26
上海湿腾电器有限公司
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is: the rotor dehumidifier and the salt mist filtration and purification unit in the field of wind power generation are not up to the anticorrosion standard, the service life is short, the maintenance is inconvenient and the cost is high.

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The hot-dip galvanized substrate adopts the following anti-corrosion process:

[0017] First, the hot-dip galvanized substrate is degreased and cleaned, then dried, sent to the spray booth for plastic spraying primer and topcoat spraying, and finally salt spray test.

[0018] After the untreated hot-dip galvanized substrate passed the C4-VH / C5-H test for 1440H, it was severely corroded and the surface was blistered.

Embodiment 2

[0020] 304 stainless steel adopts the following anti-corrosion process:

[0021] The 304 stainless steel substrate is first degreased and cleaned, then dried, and sent to the spray booth for painting treatment. First, it is sprayed with epoxy zinc-rich primer, then with polyurethane topcoat, and finally with salt spray test.

[0022] After 1440H of C4-VH / C5-H test, there is no sign of corrosion on the surface, the paint layer protects the substrate very well, and the substrate and paint layer play the role of double protection.

[0023] After the untreated 304 stainless steel has passed the C4-VH / C5-H test for 1440H, the surface is slightly corroded and the color is dull.

Embodiment 3

[0025] The hot-dip galvanized substrate adopts the following anti-corrosion process:

[0026] Degrease and clean the hot-dip galvanized substrate, then dry it, and send it to the spray booth for painting treatment. The hot-dip galvanized substrate is sprayed for three times, and then sprayed with epoxy zinc-rich primer, thick build epoxy intermediate paint, and polyurethane surface. Paint, and finally salt spray test.

[0027] After C4-VH / C5-H test for 1440H, there is no sign of corrosion on the surface, and the color is slightly darkened. The paint layer protects the substrate very well. The substrate and the paint layer play the role of double protection, and the anti-corrosion effect is much higher than that of 304 stainless steel. .

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

No PUM Login to View More

Abstract

According to the technical solution, the anti-corrosion process for a offshore wind power generation rotating wheel dehumidifier and a salt mist purifying and filtering unit is characterized in that abase material is subjected to acid pickling and passivating treatment, so that a layer of passivation film is formed on the surface of the base material; paint is sprayed on the surface of the obtained base material, and specifically, epoxy zinc-rich primer, thick paste type epoxy intermediate paint and polyurethane finish paint are sequentially sprayed, or the epoxy zinc-rich primer and the polyurethane finish paint are sequentially sprayed. According to the anti-corrosion process for the offshore wind power generation rotary dehumidifier and the salt mist purification filter unit, the anti-corrosion limit of conventional materials is broken through, the anti-corrosion grade can reach C4H or above, the corrosion resistance of rotating wheel dehumidification equipment and salt mist filtration and purification equipment in an offshore wind power generation tower and a cabin can be improved by 50% or above, the service life of the machine is greatly prolonged, and the maintenance cost of the machine is greatly reduced.

Description

technical field [0001] The invention relates to an anti-corrosion process of a rotary dehumidifier for offshore wind power generation and a salt mist purification and filtration unit, so as to realize that the materials of the internal dehumidifier and salt mist filtration and purification machine for offshore wind power generation meet the anti-corrosion requirements. Background technique [0002] For the special climate at sea, anti-corrosion and anti-salt spray materials are required for offshore wind turbine dehumidification units and salt mist filtration and purification units to achieve the anticorrosion level above C4-VH, mainly for the following aspects of anticorrosion and maintenance: [0003] 1. Sea salt is severely corroded, and the current technology cannot meet the anti-corrosion level required by the design; [0004] 2. It is inconvenient to maintain at sea. Once the machine fails due to corrosion and natural weather such as high tide will seriously delay the ...

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
IPC IPC(8): B05D5/00B05D7/14B05D7/24C23C22/24C23C22/78C23C22/82
CPCB05D5/00B05D7/14B05D7/24B05D7/54B05D7/58C23C22/24C23C22/78C23C22/82B05D2202/15B05D2503/00B05D2504/00
Inventor 李后明苏滨
Owner 上海湿腾电器有限公司
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