阅读说明：本技术 一种生产瓷绝缘子用釉料 (Glaze for producing porcelain insulator ) 是由 李雪玲 于 2019-11-27 设计创作，主要内容包括：本发明公开一种生产瓷绝缘子用釉料,其特征在于,由以下重量分数的各组分组成：瓷石30～40份,锆英砂17～35份,氧化铝6～8份,滑石10～12份,氟化钙3～5份,碳酸钡4～6份,乳浊剂16～18份,氧化锌1～3份,碳酸钠3～4.5份,所述滑石中的氧化镁的质量百分含量在20％以上；所述乳浊剂为氧化锑。本发明按该配方生产釉面抗折强度大于160MPa,耐冷热急变性能大于240℃,性能稳定,适用于各种电力产业。(The invention discloses a glaze for producing porcelain insulators, which is characterized by comprising the following components in parts by weight: 30-40 parts of porcelain stone, 17-35 parts of zircon sand, 6-8 parts of aluminum oxide, 10-12 parts of talcum, 3-5 parts of calcium fluoride, 4-6 parts of barium carbonate, 16-18 parts of an opacifier, 1-3 parts of zinc oxide and 3-4.5 parts of sodium carbonate, wherein the mass percentage of magnesium oxide in the talcum is more than 20%; the opacifier is antimony oxide. The glaze produced according to the formula has the breaking strength of more than 160MPa, the cold and hot shock resistance of more than 240 ℃, and stable performance, and is suitable for various power industries.)

1. The glaze for producing the porcelain insulator is characterized by comprising the following components in parts by weight: 30-40 parts of porcelain stone, 17-35 parts of zircon sand, 6-8 parts of aluminum oxide, 10-12 parts of talcum, 3-5 parts of calcium fluoride, 4-6 parts of barium carbonate, 16-18 parts of opacifier, 1-3 parts of zinc oxide and 3-4.5 parts of sodium carbonate, wherein the mass percentage of magnesium oxide in the talcum is more than 20%.

2. The glaze for producing porcelain insulators as claimed in claim 1, wherein the opacifying agent is antimony oxide.

3. The preparation method of the porcelain insulator is characterized by comprising the following steps:

mixing a glaze with water to prepare glaze slurry, wherein the glaze is the glaze of the glaze according to claim 1 or 2;

glazing the insulator blank by using the glaze slip;

and glaze firing the glazed ceramic biscuit at 1125-1145 ℃ to obtain the porcelain insulator.

Technical Field

The invention belongs to the technical field of electric porcelain, and particularly relates to a glaze for producing porcelain insulators.

Background

The porcelain insulator is mainly applied to transmission lines, substations and electrical equipment with various voltage grades in an electric power system, and other special industries such as the electric power system of rail transit, and is used for connecting conductors or components with different electric potentials and playing roles in insulation and support. For example, disk-shaped suspension insulators and long rod-shaped insulators for high-voltage line strain or suspension, rod-shaped post insulators for transformer substation buses or equipment supports, hollow insulators for transformer bushings, switchgear, capacitors or transformers, and the like, have high requirements for mechanical properties, electrical properties, environmental resistance (cold and hot, pollution resistance, aging resistance, and the like), stability, and the like, because of relating to the power industry.

Disclosure of Invention

In order to overcome the defects and shortcomings of the prior art, the invention provides a glaze for producing porcelain insulators, which comprises the following components in parts by weight: 30-40 parts of porcelain stone, 17-35 parts of zircon sand, 6-8 parts of aluminum oxide, 10-12 parts of talcum, 3-5 parts of calcium fluoride, 4-6 parts of barium carbonate, 16-18 parts of opacifier, 1-3 parts of zinc oxide and 3-4.5 parts of sodium carbonate, wherein the mass percentage of magnesium oxide in the talcum is more than 20%.

Preferably, the opacifying agent is antimony oxide.

The invention also discloses a preparation method of the porcelain insulator, which comprises the following steps:

mixing a glaze with water to prepare glaze slurry, wherein the glaze is the glaze of the glaze according to claim 1 or 2;

glazing the insulator blank by using the glaze slip;

and glaze firing the glazed ceramic biscuit at 1125-1145 ℃ to obtain the porcelain insulator.

Compared with the prior art, the invention has the following beneficial effects:

the glaze for producing porcelain insulator has breaking strength over 160MPa, cold and hot shock resistance over 240 deg.c and stable performance, and is suitable for use in various electric power industry.

Detailed Description

The present invention is further described below in conjunction with examples, which are to be understood as being illustrative only and in no way limiting.