Mixing device for the production of silicon dioxide

CN224332068UActive Publication Date: 2026-06-09ANHUI FENGYANG SAIJIYUAN INORGANIC MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI FENGYANG SAIJIYUAN INORGANIC MATERIALS CO LTD
Filing Date
2025-07-16
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

In the prior art, the reaction of sodium silicate is uneven in the process of preparing silica using traditional mixing devices, which affects the quality and performance of the product. In the prior art, when adding sodium silicate, the traditional mixing device usually adopts the method of direct pouring, which leads to excessively high local concentration of sodium silicate solution. After contacting the acid solution, it reacts rapidly to form gel-like silicic acid, which hinders further mixing of the reaction system and affects the quality of silica preparation.

Method used

A mixing device for preparing silica is used, including a control device, a reaction chamber, a stirring mechanism, a feed inlet, a discharge outlet, an addition tank, a pH sensor, and a temperature sensor. The control device controls the stirring mechanism and solenoid valve to achieve slow dripping and stirring of sodium silicate solution. The sensors detect the temperature and pH value during the reaction process to adjust the reaction rate and prevent excessive local acidity.

Benefits of technology

To ensure a uniform reaction, control the size and shape of silica particles, prevent uneven particle distribution or agglomeration, and improve the quality of silica preparation.

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Abstract

The utility model discloses a silica preparation technical field's a kind of mixing device for silica preparation, it include: control equipment and reaction box;The reaction box is equipped with stirring mechanism, feed inlet and discharge port, the top of the reaction box is connected with the addition tank by feed pipe, the feed pipe is equipped with solenoid valve, the addition tank is used to hold sodium silicate solution and drop it into the acid solution in reaction box;The reaction box is equipped with pH sensor and temperature sensor;The present application is slowly dropped into the acid solution of reaction box by addition tank sodium silicate solution, and the solution after mixing is stirred by stirring mechanism, ensure that reaction is evenly carried out, it is helpful to control the size and morphology of silica particles.
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