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Title:
APPARATUS FOR PRODUCING NONALKALINE AQUEOUS SOLUTION OF SILICIC ACID
Document Type and Number:
Japanese Patent JPH02199014
Kind Code:
A
Abstract:

PURPOSE: To homogeneously mix an aqueous solution of an acidic agent with water glass liquid in a simplified apparatus by providing a cylindrical mixing vessel, jetting port an downflow port so as to perform specific action and mixing the aqueous solution of the acidic agent with the water glass liquid in the vessel.

CONSTITUTION: The above-mentioned apparatus for production is provided with a cylindrical mixing vessel 1, a jetting port 2 and a downflow port 3 as main elements, further other feed pumps 4 and 5 and a liquid storage vessel 6 for storing a produced nonalkaline aqueous solution of silicic acid. In the afore-mentioned apparatus, the jetting port 2 is mounted on a sidewall (1a) so as to direct the tip (2a) thereof to the tangential direction in the circumferential direction of the inner wall surface (1b). Thereby, the liquid jetted from the jetting port 2 continues falling in a spiral form while being dispersed along the inner wall surface (1b) though under a low pressure of 0.5-10kgf/cm2. Another liquid is made to flow down from the downflow port 3 on the liquid in a spiral form to circulate and mix both liquids in a complete spiral form in the interior (1d) of the mixing vessel in a form induced by circular motion. Thereby, a homogeneous and transparent nonalkaline aqueous solution 12 of the silicic acid is obtained without causing partial gelation.


Inventors:
KASHIWABARA KENJI
SHIMADA SHUNSUKE
Application Number:
JP2014089A
Publication Date:
August 07, 1990
Filing Date:
January 30, 1989
Export Citation:
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Assignee:
KYOKADO ENG CO
International Classes:
C01B33/142; C04B40/00; (IPC1-7): C01B33/142
Domestic Patent References:
JPS4936877A1974-04-05
Attorney, Agent or Firm:
Someya Hitoshi