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Intelligent valve positioner

A technology of intelligent valves and locators, which is applied in the direction of metal material coating process, etc., can solve the problems that the metal shell needs to be improved, and achieve excellent waterproof effect

Inactive Publication Date: 2016-02-24
CHANGSHU ZHONGKAI INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The waterproof, corrosion-resistant, oxidation-resistant, heat-resistant, cold-resistant, and weather-resistant properties of the metal shell of the existing intelligent valve positioner need to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] An intelligent valve positioner, which includes a metal shell, the metal shell has undergone surface treatment, and the surface treatment includes the following steps:

[0021] 1) Take 20 parts by mass of acetic acid, 1-2 parts by mass of sodium epoxidized alkyl carboxylate, 1.5 parts by mass of ethylphenyl polyethylene glycol, 1.4 parts by mass of propylene glycol, 1.8 parts by mass of zirconium fluoride, and 1.6 parts by mass of Polytetrafluoroethylene, 1.4 parts by mass of catechol, and 1.3 parts by mass of N-methylpyrrolidone were mixed at 105°C for 1.5 hours to prepare a metal surface treatment agent;

[0022] 2) Mix 27 parts by mass of metal surface treatment agent with 73 parts by mass of deionized water to prepare a surface treatment working solution;

[0023] 3) Raise the temperature of the surface treatment working solution to 63.5°C, and put the metal shell into the surface treatment working solution for 29 minutes.

Embodiment 2

[0025] The intelligent valve positioner includes a metal shell, and the metal shell is surface treated, and the surface treatment includes the following steps:

[0026] 1) Take 20 parts by mass of acetic acid, 1 part by mass of sodium epoxidized alkyl carboxylate, 1.5 parts by mass of ethylphenyl polyethylene glycol, 1.4 parts by mass of propylene glycol, 1.8 parts by mass of zirconium fluoride, and 1.6 parts by mass of polytetrafluoroethylene Vinyl fluoride, 1.4 parts by mass of catechol, and 1.3 parts by mass of N-methylpyrrolidone were mixed at 105°C for 1.5 hours to prepare a metal surface treatment agent;

[0027] 2) Mix 27 parts by mass of metal surface treatment agent with 73 parts by mass of deionized water to prepare a surface treatment working solution;

[0028] 3) Raise the temperature of the surface treatment working solution to 63.5°C, and put the metal shell into the surface treatment working solution for 29 minutes.

Embodiment 3

[0030] The intelligent valve positioner includes a metal shell, and the metal shell is surface treated, and the surface treatment includes the following steps:

[0031] 1) Take 20 parts by mass of acetic acid, 2 parts by mass of sodium epoxidized alkyl carboxylate, 1.5 parts by mass of ethylphenyl polyethylene glycol, 1.4 parts by mass of propylene glycol, 1.8 parts by mass of zirconium fluoride, and 1.6 parts by mass of polytetrafluoroethylene Vinyl fluoride, 1.4 parts by mass of catechol, and 1.3 parts by mass of N-methylpyrrolidone were mixed at 105°C for 1.5 hours to prepare a metal surface treatment agent;

[0032] 2) Mix 27 parts by mass of metal surface treatment agent with 73 parts by mass of deionized water to prepare a surface treatment working solution;

[0033] 3) Raise the temperature of the surface treatment working solution to 63.5°C, and put the metal shell into the surface treatment working solution for 29 minutes.

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PUM

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Abstract

The invention discloses an intelligent valve positioner which comprises a metal shell. The metal shell is subjected to surface treatment. The surface treatment comprises the following steps that (1) by mass, 20 parts of acetic acid, 1-2 parts of epoxidation alkyl sodium dicarboxylic acid, 1.5 parts of ethyl phenyl polyethylene glycol, 1.4 parts of propylene glycol, 1.8 parts of zirconium fluoride, 1.6 parts of polytetrafluoroethylene, 1.4 parts of catechol, 1.3 parts of N-methyl pyrrolidone are mixed for 1.5 hours at the temperature of 105 DEG C, so that a metal surface treating agent is prepared; (2) 27 parts, by mass, of the metal surface treating agent and 73 parts, by mass, of deionized water are mixed, so that a surface treatment working solution is prepared; and (3) the surface treatment working solution is heated to be at the temperature of 63.5 DEG C, the metal shell is placed into the surface treatment working solution for 29 minutes. According to the intelligent valve positioner, the metal shell of the intelligent valve positioner is subjected to the surface treatment, and the intelligent valve positioner is excellent in waterproof performance, corrosion resistance, oxidation resistance, heat resistance, cold resistance and weather-proof performance.

Description

technical field [0001] The invention relates to an intelligent valve positioner. Background technique [0002] The waterproof, corrosion-resistant, oxidation-resistant, heat-resistant, cold-resistant, and weather-resistant properties of the metal shell of the existing intelligent valve positioner need to be improved. Contents of the invention [0003] The object of the present invention is to provide an intelligent valve positioner, the metal shell of which is surface-treated and has excellent waterproof, corrosion-resistant, oxidation-resistant, heat-resistant, cold-resistant, and weather-resistant properties. [0004] In order to achieve the above object, the technical solution of the present invention is to design an intelligent valve positioner, which includes a metal shell, and the metal shell has undergone surface treatment, and the surface treatment includes the following steps: [0005] 1) Take 20 parts by mass of acetic acid, 1-2 parts by mass of sodium epoxidi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C22/34
CPCC23C22/34
Inventor 居文军
Owner CHANGSHU ZHONGKAI INSTR
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