What are the indicators for measuring the level of tin bath operation?

【中玻璃网】 (1) Tin tank utilization rate

The tin bath utilization rate refers to the ratio of the actual amount of molten glass in the tin bath to the amount of theoretically drawn glass. The high utilization rate indicates that the effective production time is long and the accidents are few. The utilization rate of tin bath should generally reach more than 99%.

(2) First-class product rate

Every process of float glass production may bring defects to the product. The defects caused by poor tin bath formation are: flatness, open bubble, tinned, tempered rainbow, optical distortion point, and thick tolerance. . If the above problems occur, appropriate measures should be taken in time to improve the first-class product rate of the products.

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(three) tin consumption

The consumption of tin liquid is related to the maintenance of the amount and purity of the gas, as well as the sealing properties of the tin bath and the operation management factors such as the glass strip to the lid surface of the tin bath. Low tin consumption not only saves production costs, but also improves glass quality. For tin baths of 300t to 500t float production lines, the monthly tin consumption should be controlled within the range of 300~500kg.

(4) Power consumption

Although the power consumption of the glass unit of the production unit is directly related to the thickness of the glass, it is closely related to whether the cooling measures in the tin bath are proper, whether the heating method is reasonable, and the production accident. Therefore, in a certain sense, the power consumption also reflects the level of tin tank operation.

Among the above four indicators, the first is the requirement for the amount of tin-forming glass; the second is the requirement for the quality of the tin-forming glass; the third is for both the quality of the glass and the daily operating costs; The item focuses on the requirements for recurring production expenses. However, in fact, these four indicators are interrelated and cannot be completely separated.

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