Mixed coal gas filtering device of galvanization annealing furnace

The utility model discloses a mixed coal gas filtering device of a galvanization annealing furnace. A coal gas inlet pipe is communicated with the upper part of a coal gas filter sequentially by a coal gas fast-cut-off valve, a manual butterfly valve and a blind plate valve. The lower part of the co...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG YONGGANG, CHEN YONG, LI PENGCHENG, HU LEKANG, LIU XIAN, JIA MINGJING, YAN WENJIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FUELS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LUBRICANTS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PEAT PETROLEUM, GAS OR COKE INDUSTRIES PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLEGASES CONTAINING CARBON MONOXIDE SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TECHNICAL GASES CONTAINING CARBON MONOXIDE
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Beschreibung
Zusammenfassung:	The utility model discloses a mixed coal gas filtering device of a galvanization annealing furnace. A coal gas inlet pipe is communicated with the upper part of a coal gas filter sequentially by a coal gas fast-cut-off valve, a manual butterfly valve and a blind plate valve. The lower part of the coal gas filter is respectively communicated with a coal gas outlet pipe and a water drainage pipe. The coal gas outlet pipe is respectively provided with a lower blind plate valve and a lower manual butterfly valve. The mixed coal gas filtering device has simple structure, is easy to manufacture, can effectively eliminate impurities such as naphthalene, tar, water vapor and the like which are mixed in the coal gas, and improves the purity of the coal gas.