Spray gun for jetting coal powder in blast furnace

The utility model discloses a coal powder spraying device which is suitable for jetting coal powder in blast furnace. The utility model is composed of a spray gun pipe, a gun head outer sleeve, a multihole gun head, and gun head cover. The utility model is characterized in that the head of the spray...

Full description

Saved in:
Bibliographic Details
Main Author YE CAIYAN
Format Patent
LanguageEnglish
Published 15.03.1995
Edition5
Subjects
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
Online AccessGet full text

Cover

More Information
Summary:The utility model discloses a coal powder spraying device which is suitable for jetting coal powder in blast furnace. The utility model is composed of a spray gun pipe, a gun head outer sleeve, a multihole gun head, and gun head cover. The utility model is characterized in that the head of the spray gun pipe is provided with the multihole gun head opened with a plurality of circular holes uniformly. When the utility model is in use, coal powder air current is divided into a plurality of fine coal powder streams through the multihole gun head. The fine coal powder streams are mixed with blast furnace hot blast well and rapidly to cause the coal powder to be burnt sufficiently, increasing the utilization of the coal powder and enhancing the jetting coal powder ability of the spray gun.
Bibliography:Application Number: CN1994201862U