Sintering adjusting method of porcelain insulator in strong reduction period
A technology of porcelain insulators and adjustment methods, which is applied to clay products, other household appliances, household appliances, etc., can solve the problems of lack of detailed regulations and the occurrence of orange glaze, so as to prevent crystallization and improve the appearance quality of glazed surfaces. Effect
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[0020] The present invention will be described in detail below in conjunction with specific embodiments.
[0021] In order to better illustrate, take a kiln (5 zones) as an example:
[0022] The first stage, after changing the fire (970℃-980℃), it takes 0.5 hours:
[0023] The amount of air in the kiln is greater than the amount of CO, that is, the kiln is still in an oxidizing atmosphere, the ratio of air to gas is 12.5-10.5, and the kiln pressure is 5Pa. At this time, reduce the primary air flow in each sub-region on the basis of China Insurance, and generally control it at 160-180m 3 / h, the natural gas flow is generally controlled at 28-33m 3 / h. The total primary air volume is controlled at 800-900m 3 / h, the total gas volume is controlled at 145-165m 3 / h. In this way, the actual air-fuel ratio in the furnace is 5-5.5. The purpose of this is to rapidly increase the CO content in the furnace in a short time and reduce the oxygen content, that is, the entire furnace reaches a ...
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