Apparatus for manufacturing molded materials solidified by sulfu

Details Apparatus for manufacturing molded materials solidified by sulfu Apparatus for manufacturing molded materials solidified by sulfu

1997-06-19

1999-08-10

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Feed control of material en route to shaping area

425200, 588256, 55315, B29C 4736

Patent

active

059356189

ABSTRACT:
An apparatus for manufacturing molded materials solidified by sulfur includes an apparatus for bringing the water content of a solid raw material to be mixed with sulfur, such as slag and dust resulting from steel-making, to 3% by weight or below, an apparatus for heating and kneading the mixture of raw materials including molten sulfur at 119 to 159.degree. C., to cause the sulfur to penetrate into pore spaces on the solid raw material, thereby preparing a fluid kneaded mixture, and an apparatus for molding the mixture into a prescribed shape. Utilizing the apparatus, slag and dust resulting from steel-making, etc. is solidified with a melted sulfur thereby, enabling solidified and molded materials to be produced industrially, while preventing the generation of sulfurous acid gas. The materials' performance, such as physical strength and quality, are constant and high, and harmful heavy metals or the like will not ooze out of the materials.

REFERENCES:
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patent: 3484507 (1969-12-01), Smith
patent: 4134775 (1979-01-01), Schwoegler
patent: 4397801 (1983-08-01), Minnick
patent: 5019310 (1991-05-01), Kobayashi
patent: 5347072 (1994-09-01), Adams
patent: 5678234 (1997-10-01), Colombo et al.

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