Fluidized bed granulator or fluidized bed/spouted bed granulator

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12128379
APP PUB NO 20230088680A1
SERIAL NO

17909149

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A fluidized bed or fluidized bed/spouted bed granulator into which urea seed particles, an aqueous urea solution and air are introduced to produce urea particles with an average particle size of 1 mm or more. The granulator includes a box-shaped granulation chamber with a bottom floor, a top and side surfaces. Inner wall surfaces of the chamber are of a metal plate material, an upper part of the side or top surfaces includes an exhaust outlet, the side surfaces or top surface includes an inlet for introducing the seed particles, the side surfaces include a collection port for the particles, the aqueous urea solution is introduced from the bottom floor or the side surfaces, the air is introduced from the bottom floor or the bottom floor and the side surfaces, and at least a portion of the inner wall surfaces of the granulation chamber is treated by surface roughening.

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Patent Owner(s)

  • TOYO ENGINEERING CORPORATION

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haruta, Kimihito Narashino, JP 1 0
Ishibashi, Shozo Tokyo, JP 28 167
Kawabe, Tetsuya Tokyo, JP 2 7
Mase, Keiji Tokyo, JP 51 265
Nishikawa, Genshi Narashino, JP 6 26
Sano, Keishi Narashino, JP 2 0
Takahashi, Masashi Narashino, JP 267 2495
Wakashima, Yuichiro Narashino, JP 1 0
Yagoh, Katsunori Narashino, JP 2 3

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