Sight device of blast-furnace tuyere

The utility model belongs to an assistant equipment field of the blast furnace ironmaking, which is especially suitable for a blast furnace tuyere viewing device. The device comprises a valve body, a nut and a sealing cap. Both ends of the valve body are respectively connected with the sealing cap a...

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Bibliographic Details
Main Authors FENGQI WANG, JUN CAO, YONGZHI SHA
Format Patent
LanguageEnglish
Published 23.06.2004
Edition7
Subjects
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
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Summary:The utility model belongs to an assistant equipment field of the blast furnace ironmaking, which is especially suitable for a blast furnace tuyere viewing device. The device comprises a valve body, a nut and a sealing cap. Both ends of the valve body are respectively connected with the sealing cap and an original equipment of a blast furnace tuyere viewing hole by the outer screw threads. The utility model is characterized in that a stopcock valve is mounted in the valve body, and is fastened by the nut; both sides of a viewing lens are respectively pasted with the ring shaped gaskets, and are embedded in the sealing cap; and the sealing cap is fixed on the valve body by a manual handle. Compared with the prior art, the utility model has the advantages of long life, great sealing performance and easy operation.
Bibliography:Application Number: CN2003257333U