Method and apparatus for continuously mixing and kneading pulverulent bodies such as pulverized coal, oil coke to prepare slurry thereof

Patent · Tue Sep 08 04:00:00 EDT 1987

OSTI ID:5951996

Iwako, M; Nakao, M

This patent describes a continuously mixing and kneading apparatus for preparing slurry of pulverulent bodies comprising: a mixing chamber having a center axis, covered with a base plate; a supply tube for connection to a fixed rate supply of pulverulent bodies, having an outlet opening axially into the mixing chamber through the base plate; a rotary mixing disk rotatably disposed in the mixing chamber for rotation about the center axis to spatter and disperse the pulverulent bodies supplied thereonto from the supply tube; an overflow tube of inverse conical type. The tube is disposed on an upper central portion of the mixing chamber for directing a main liquid as an annular overflow film to the spattered and dispersed pulverulent bodies on the rotary mixing disk; injection nozzles having outlets opening into the mixing chamber for injecting a small amount of liquid to the spattered and dispersed pulverulent bodies; upper surface scrapers provided on the rotary mixing disk and disposed to cross the outlet ports of the injection nozzles as the rotary mixing disk rotates so as to disperse the liquid flowing from the outlets of the nozzles; side face scrapers provided on the rotary mixing disk to turn along the inner wall of the mixing chamber; a collecting blade disposed on a bottom surface.

• Assignee: Kabushiki Kaisha Hunken, Tokyo
• Patent Number(s): US 4691867
• OSTI ID: 5951996
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010300* -- Coal
Lignite
& Peat-- Preparation-- (1987-)
02 PETROLEUM
020400 -- Petroleum-- Processing
COAL FINES
COAL PREPARATION
COKE
DESIGN
DISPERSIONS
FUEL SLURRIES
FUELS
HYDRAULIC TRANSPORT
MIXERS
MIXING
MIXTURES
MOISTURE
MOTION
NOZZLES
PETROLEUM PRODUCTS
PLATES
PROCESSING
ROTATION
SLURRIES
SUSPENSIONS
TRANSPORT