Title:
EVAPORATOR, EVAPORATION SYSTEM, AND EVAPORATION METHOD
Document Type and Number:
WIPO Patent Application WO/2013/105342
Kind Code:
A1
Abstract:
The present invention relates to an evaporator that includes: a plurality of heating tubes; an upper tube plate that supports the plurality of heating tubes with spaces therebetween; and a first dispersion plate provided above the upper tube plate. On the first dispersion plate are provided two or more liquid through holes constituted such that a starting material liquid passes through and two or more gas through holes constituted such that a gas passes through. Viewed from the direction that the plurality of heating tubes extend, the plurality of liquid through holes is formed in positions that overlap regions in the upper tube plate in which the heating tubes are not provided and the plurality of gas through holes is formed in positions that overlap regions in which the plurality of heating tubes is provided. The plurality of heating tubes has protruding parts that protrude from the upper surface of the upper tube plate. According to the present invention, an evaporator in which blockage in the heat tubes can be suppressed and evaporation of a starting material liquid can be carried out smoothly is provided.
Inventors:
TAKEDA NAOKI (JP)
KUWAHARA KANJI (JP)
KUWAHARA KANJI (JP)
Application Number:
PCT/JP2012/080013
Publication Date:
July 18, 2013
Filing Date:
November 20, 2012
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
B01D1/22; B01D3/00; B01D5/00; C07C249/14; C07C251/44
Foreign References:
| JPH01502844A | 1989-09-28 | |||
| JPS4641601B1 | ||||
| JP2002284752A | 2002-10-03 | |||
| JPH07103673A | 1995-04-18 | |||
| JPH11504858A | 1999-05-11 | |||
| US3132064A | 1964-05-05 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
Sumio Tanai (JP)
Sumio Tanai (JP)
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Claims: