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A kind of high-energy varistor and its manufacturing method

A manufacturing method and technology of varistors, applied in varistors, varistor cores, etc., to achieve the effects of low manufacturing cost, high energy tolerance, and strong ability to withstand combined waves

Active Publication Date: 2020-11-03
GUANGXI NEW FUTURE INFORMATION IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These patents have made great breakthroughs and progress in the performance improvement of energy-type varistor products, but they are still unable to meet the growing performance requirements of customers. Therefore, starting from the intrinsic structure of the product, in the improvement of material formula and process There is still a lot of room for technological breakthroughs in terms of improvement

Method used

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  • A kind of high-energy varistor and its manufacturing method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A preparation method of a high-energy varistor is carried out according to the following steps:

[0024] 1. First weigh and analyze the pure raw material H 3 BO 3 30 grams, Al(NO 3 ) 3 9H 2 O 46.858 g, AgNO 3 59.262 g, Ba(CH3COO) 2 Put 66.666 grams into a beaker, add 2.5 kilograms of deionized water to completely dissolve it, and obtain a mixed solution;

[0025] 2. Then weigh and analyze the pure raw material Bi 2 o 3 6861.6 g, Co 3 o 4 3060.5 g, Sb 2 o 3 6957.3 g, MnCO 3 1337.2 grams, Ni 2 o 3 1652.7 g, ZrO 2 200.5 grams, Y 2 o 3 573.3 g, SiO 2 152.5 g, SnO 2 382.7g, MgO106.7g, Nb 2 o 5 133.3 grams, put into a stirring ball mill tank, add 80 kg of zirconium balls, 30 kg of deionized water and 430 g of dispersant, mix in wet ball mill for 12 hours, filter out the zirconium balls to obtain the main additive mixed slurry, and then spray dry in the additive The tower is spray-dried into main additive granulated powder particles with a water...

Embodiment 2

[0034] A preparation method of a high-energy varistor is carried out according to the following steps:

[0035] 1. First weigh and analyze the pure raw material H 3 BO 3 29.927 grams, Al(NO 3 ) 3 9H 2 O 46.744 g, AgNO 3 59.118 g, Ba(CH3COO) 2 Put 66.505 grams into a beaker, add 2.5 kilograms of deionized water to dissolve it completely, and obtain a mixed solution;

[0036] 2. Then weigh and analyze the pure raw material Bi 2 o 3 7329.6 g, Co 3 o 4 2749.2 grams, Sb 2 o 3 6286.7 g, MnCO 3 1166.5 grams, Ni 2 o 3 1678.4 g, ZrO 2 203.2 grams, Y 2 o 3 458.3 g, SiO 2 137.2 g, SnO 2 381.7g, MgO15.3g, Nb 2 o 5 337.2 grams, put into a stirring ball mill tank, add 80 kg of zirconium balls, 30 kg of deionized water and 430 g of dispersant, mix for 18 hours by wet ball milling, filter out the zirconium balls to obtain the main additive mixed slurry, and then spray dry in the additive The tower is spray-dried into main additive granulated powder particles wi...

Embodiment 3

[0045] A preparation method of a high-energy varistor is carried out according to the following steps:

[0046] 1. First weigh and analyze the pure raw material H 3 BO 3 29.927 grams, Al(NO 3 ) 3 9H 2 O 46.744 g, AgNO 3 59.117 g, Ba(CH3COO) 2 Put 66.504 grams into a beaker, add 2.5 kilograms of deionized water to completely dissolve it, and obtain a mixed solution;

[0047] 2. Then weigh and analyze the pure raw material Bi 2 o 3 6502 grams, Co 3 o 4 2749.2 grams, Sb 2 o 3 6582.5 g, MnCO 3 1254 grams, Ni 2 o 3 1594.5 g, ZrO 2 156.3 grams, Y 2 o 3286.5 g, SiO 2 152.2 g, SnO 2 381.7g, MgO106.4g, Nb 2 o 5 101.2 grams, put into a stirring ball mill tank, add 75 kg of zirconium balls, 30 kg of deionized water and 430 g of dispersant, wet ball mill and mix for 18 hours, filter out the zirconium balls to obtain the main additive mixed slurry, and then spray dry in the additive The tower is spray-dried into main additive granulated powder particles with ...

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Abstract

The invention mainly discloses a high-energy piezoresistor and a manufacturing method thereof. The varistor is mainly composed of ZnO, and the main additive is added to pre-synthesize ultrafine powder and configured H 3 BO 3 , Al(NO 3 )·9H 2 O, AgNO 3 、Ba(CH3COO) 2 prepared mixed solution. The preparation method is to use the traditional solid-phase synthesis method to pre-synthesize the main additive powder by calcining it, then pulverize it, and grind it finely to form a pre-synthesized ultrafine powder of the main additive, and then combine it with ZnO powder and the prepared mixed solution Ball mill mixing, dispersing and defoaming, spray granulation, dry pressing molding, debinding, sintering and other processes to obtain sintered tiles, and then temper the sintered tiles, screen print silver electrodes, reduce, weld, pack Sealed, that is, a high-energy varistor is obtained. The varistor prepared by the invention has low sintering temperature, high energy density, good anti-aging performance and strong resistance to combined waves.

Description

technical field [0001] The invention relates to a high-energy varistor and a manufacturing method thereof, belonging to the technical field of varistor manufacturing. Background technique [0002] Due to its low cost, excellent non-ohmic characteristics, fast response time, small leakage current, large flow energy, and high energy density, varistors are widely used as key protection devices in the fields of communication equipment, electric power, electrical appliances, and lightning protection. Market prospects Very broad. With the rapid development of electronic information technology, people have put forward higher requirements for the large current processing and energy absorption capabilities of varistors. This has always been the focus and hot spot of research by scientists. In recent years, scientists have successively invented a series of improved Product energy methods and high-energy varistor products, such as patent application number 201410636690.X, preparation ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/453C04B35/626C04B41/88H01C7/112
CPCC04B35/453C04B35/62615C04B35/62645C04B35/62695C04B41/009C04B41/5116C04B41/88C04B2111/00844C04B2235/3206C04B2235/3225C04B2235/3244C04B2235/3251C04B2235/3277C04B2235/3279C04B2235/3293C04B2235/3294C04B2235/3298C04B2235/3409C04B2235/3418C04B2235/442C04B2235/443C04B2235/48C04B2235/96H01C7/112C04B41/4572
Inventor 覃远东梁自伟栗满谦朱晓玲
Owner GUANGXI NEW FUTURE INFORMATION IND
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