Title:
SPRAY DRYER, SPRAY DRY METHOD, AND POLYMER POWDER
Document Type and Number:
WIPO Patent Application WO/2007/114468
Kind Code:
A1
Abstract:
A dryer having a circular tubular first straight barrel section opened at its
both upper and lower ends, a substantially circular conical first cone section
contiguously provided at the upper end of the first straight barrel section and
upwardly reduced in diameter, a circular tubular second straight barrel section
contiguously provided at the upper end of the first cone section, a spray device
for spraying a solution or dispersed solution of solids, a flow straightener
for straightening the flow of a drying gas, and a gas supply opening for supplying
the drying gas. The spray opening of the spray device is placed inside the second
straight barrel section. The straightener is placed inside the second straight
barrel section, over the spray opening. The gas supply opening is placed above
the straightner.
Inventors:
OMOTE MASAKI (JP)
KAWABE SADAHARU (JP)
KAWABE SADAHARU (JP)
Application Number:
PCT/JP2007/057562
Publication Date:
October 11, 2007
Filing Date:
April 04, 2007
Export Citation:
Assignee:
MITSUBISHI RAYON CO (JP)
OMOTE MASAKI (JP)
KAWABE SADAHARU (JP)
OMOTE MASAKI (JP)
KAWABE SADAHARU (JP)
International Classes:
F26B3/12; C08F6/14; C08J3/12; F26B17/10
Foreign References:
| JPH0971608A | 1997-03-18 | |||
| JPS5441951A | 1979-04-03 | |||
| JPS608301Y2 | 1985-03-23 | |||
| JPH07332847A | 1995-12-22 |
Attorney, Agent or Firm:
SHIGA, Masatake et al. (Yaesu Chuo-ku Tokyo, 53, JP)
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