METHOD FOR MANUFACTURING GROUND IMPROVING MATERIAL AND EQUIPMENT FOR THE SAME

Japanese Patent JP3905682

B2

PROBLEM TO BE SOLVED: To down size a rotary kiln, inhibit the adhesion of fine powder in a cyclone and manufacture a ground improving material having excellent performance.
SOLUTION: In this method, a ground improving material is manufactured by agitating and pelletizing a mixture of a dehydrated cake of sludge and lime, throwing the particles into a fluidized bed furnace 20 using an exhaust gas of a down stream rotary kiln 28 as the fluidizing gas, drying, drying/ preheating or drying/burning organic material/baking the lime setting the particles as bed material, and then introducing the particles from the fluidized bed furnace 20 to the rotary kiln 28 and baking then cooling the baked particles by introducing the baked particles to a fluidized bed cooler 38. The method collects dusts by introducing the exhaust gas of the fluidized bed furnace 20 into a jacket structured fluidized bed furnace cyclone 48 and indirectly cooling the cyclone 48 by introducing air to the jacket, separating the dusts by introducing the exhaust gas of the kiln 28 to a jacket structured kiln cyclone 33 and cooling the cyclone 33 by introducing air to the jacket and indirectly cooling the jacket.

Noboru Ichitani
Isao Hayashi
Mikio Murao

JP2000111657A

April 18, 2007

April 13, 2000

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Kawasaki Plant Systems Co., Ltd.

C02F11/00; C09K17/02; C04B7/24; C04B7/47; C09K17/06; B09B3/00; C02F11/10; C09K103/00; E02D3/12; F23G7/04; (IPC1-7): C09K17/06; C02F11/00; C04B7/24; C04B7/47

JP615297A
JP10237852A
JP10309556A
JP4330058B1
JP10332117A
JP6330350A
JP2521152Y2
JP9170744A
JP55821A
JP746357Y2
JP5836700A
JP737113Y2
JP5594696A

Shinichi Shiode

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