SPRAY DRYER

WIPO Patent Application WO/2023/170962

A1

Provided is a spray dryer with which a fluid that has been subjected to a fluid treatment in a spray device can be directly sprayed from the spray device into a drying chamber so that the fluid can be dried, without the need for a dispersion machine for adjusting the dispersion state of a dispersion liquid to be sprayed into the drying chamber. The spray dryer comprises a spray device F. The spray device F comprises processing surfaces 1, 2 disposed opposing each other, and a rotation mechanism M that rotates at least one of the processing surfaces 1, 2 relative to the other. The processing surfaces 1, 2 define an annular flow passage 3 through which is passed a fluid to be treated containing a first fluid and a second fluid. The annular flow passage 3 comprises introduction ports d1, d2. The introduction port d1 introduces, at an opening which connects to the annular flow passage 3, the first fluid from the inside of the annular flow passage 3. The introduction port d2 opens in the middle of the annular flow passage 3, and combines the second fluid with the first fluid which has been constrained into a thin-film fluid by the processing surfaces 1, 2. The fluid to be treated is subjected to fluid processing between the processing surfaces 1, 2, and the fluid-treated fluid is sprayed to the outside from between the processing surfaces 1, 2.

ENOMURA MASAKAZU (JP)
ARAKI KAEKO (JP)

PCT/JP2022/011076

September 14, 2023

March 11, 2022

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M TECHNIQUE CO LTD (JP)

B01J2/02; F26B3/24; F26B17/28

JP2011189348A	2011-09-29
JP2003534895A	2003-11-25
JP2021176833A	2021-11-11
CN201007596Y	2008-01-16
JP2004160309A	2004-06-10
JP2006326398A	2006-12-07
US5217362A	1993-06-08

SAMEJIMA Takenobu (JP)

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