Unlock instant, AI-driven research and patent intelligence for your innovation.

A preparation method of anti-corona coating for ultra-high voltage transmission lines

A transmission line, anti-corona technology, applied in the direction of epoxy resin coating, coating, etc., can solve the problems of poor surface adhesion, affecting anti-corona performance, easy to fall off, etc., to achieve high adhesion and good anti-corona Performance, the effect of not easy to fall off

Active Publication Date: 2018-11-13
宜昌纬度文化传媒有限公司
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention: in view of the problem that the currently used high-resistance anti-corona paint has poor adhesion to the surface of the ultra-high voltage transmission line, is easy to fall off, and affects its anti-corona performance. Tin, antimony trichloride and other substances were stirred and heated to dissolve, and then ammonium persulfate was used as an initiator to obtain a light blue viscous polymer, which was then heated and stirred with peach gum and ultrasonically dispersed, and then heated and dissolved under nitrogen protection. , it is calcined at high temperature, and the polymer obtained by the reaction is filled in the carbonized peach gum skeleton, and a gray-black solid is obtained after cooling. Finally, it is mixed with E-51 epoxy resin, acetone and other materials and ball-milled, and the Oscillation treatment to obtain anti-corona coating for ultra-high voltage transmission lines

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

example 1

[0017] First, add 700mL of acrylic acid, 300mL of deionized water, 40g of tin tetrachloride pentahydrate, 4g of antimony trichloride to the reactor in turn, start the reactor stirrer, stir at 620r / min until completely dissolved, and turn on the reactor to heat Warm up to 75°C, add 280mL ammonium persulfate solution with a mass concentration of 20% under constant temperature stirring conditions, and react for 45 minutes to obtain a light blue viscous polymer; according to the mass ratio of 5:1, peach gum and Add the light blue viscous polymer obtained above into a beaker, then place the beaker on a digital speed measuring constant temperature magnetic stirrer, and stir and mix at a constant temperature for 60 minutes at a temperature of 80°C and a speed of 760r / min, and then turn the beaker to Put it into an ultrasonic oscillator and oscillate at a frequency of 25kHz for 15min; when the ultrasound is over, pour the material in the beaker into a crucible, then transfer the crucib...

example 2

[0020]First, add 600mL of acrylic acid, 200mL of deionized water, 30g of tin tetrachloride pentahydrate, 2g of antimony trichloride to the reactor in turn, start the reactor stirrer, stir at 560r / min until it is completely dissolved, and turn on the reactor to heat Warm up to 70°C, add 240mL ammonium persulfate solution with a mass concentration of 18% under constant temperature stirring conditions, and react for 30 minutes to obtain a light blue viscous polymer; according to the mass ratio of 3:1, peach gum and Add the light blue viscous polymer obtained above into a beaker, then place the beaker on a digital speed measuring constant temperature magnetic stirrer, and stir and mix at a constant temperature for 45 minutes at a temperature of 70°C and a speed of 680r / min, and then turn the beaker to Put it into an ultrasonic oscillator and oscillate at a frequency of 20kHz for 10min; when the ultrasound is over, pour the material in the beaker into a crucible, then transfer the c...

example 3

[0023] First, add 650mL of acrylic acid, 250mL of deionized water, 35g of tin tetrachloride pentahydrate, and 3g of antimony trichloride to the reactor in sequence, start the reactor stirrer, stir at a speed of 600r / min until completely dissolved, and turn on the reactor to heat Warm up to 72°C, add 245mL ammonium persulfate solution with a mass concentration of 19% under constant temperature stirring conditions, and react for 40 minutes to obtain a light blue viscous polymer; according to the mass ratio of 4:1, peach gum and Add the light blue viscous polymer obtained above into a beaker, then place the beaker on a digital speed measuring constant temperature magnetic stirrer, stir and mix at a constant temperature for 50 minutes at a temperature of 75°C and a speed of 690r / min, and then turn the beaker to Put it into an ultrasonic oscillator and oscillate at a frequency of 22kHz for 12min; when the ultrasonic wave is over, pour the material in the beaker into a crucible, then...

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

The invention relates to a preparation method of anticorona coating for extra-high-voltage power transmission lines, and belongs to the technical field of coating preparation. The method includes firstly stirring, heating and dissolving substances such as acrylic acid, pentahydrate stannic chloride and antimony trichloride, then taking ammonium persulfate as an initiator to obtain light blue viscous polymer, subjecting the light blue viscous polymer and peach gum to heating, stirring and ultrasonic dispersion prior to high-temperature calcination under nitrogen protection, filling the carbonized peach gum skeleton with the polymer obtained by reaction, cooling to obtain ash black solid, finally mixing the ash black solid with E-51 epoxy resin, acetone and the like prior to mixed ball milling, and performing vibrating treatment to obtain the anticorona coating for extra-high-voltage power transmission lines. The prepared anticorona coating for extra-high-voltage power transmission lines has high adhesive force and less prone to stripping; the anticorona coating has good corona resistance, corona power loss is less than 20.5W / m, and corona onset voltage can rise by 22-25kV.

Description

technical field [0001] The invention relates to a method for preparing an anti-corona coating for ultra-high voltage transmission lines, and belongs to the technical field of coating preparation. Background technique [0002] There is an electric field around the transmission line in operation, and a certain number of free electrons will be generated in the air under the influence of cosmic rays. Under the action of the electric field force, the electrons accelerate and accumulate kinetic energy. When the free electrons gain enough energy, they collide with neutral atoms or molecules in the air and generate new ions. At this time, the air in a small area close to the wire begins to ionize, and these ions also undergo impact ionization under the influence of the external field strength, and with the increase of the field strength around the wire, the degree of gas ionization intensifies, producing a large number of electrons and positive and negative ions, which is called El...

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 Patents(China)
IPC IPC(8): C09D163/02C09D7/63C09D7/61C08F120/06
CPCC08F120/06C08K2201/014C09D7/61C09D7/65C09D163/00C08L33/02C08K9/00C08K3/04C08K3/16
Inventor 雷春生薛培龙许博伟
Owner 宜昌纬度文化传媒有限公司