Reaction tank for high-strength gypsum production line

Abstract

The invention relates to a reaction tank for a high-strength gypsum production line. The reaction tank comprises a tank body and a vertical stirring shaft rotatably arranged in the tank body, wherein an inner cavity of the tank body is divided into at least two working areas by a plurality of partition devices sequentially distributed along the vertical direction, a heating device and a stirring fin fixedly connected with the stirring shaft are arranged in each working area, and material channels communicating with adjacent working areas are arranged on the partition devices. According to the invention, the tank body is partitioned along the vertical direction, and the heating devices are respectively arranged in all the areas, so step-by-step heating of materials is facilitated, the production of high-strength gypsum is adapted, and meanwhile, the production requirement for continuity is met; materials are buffered through a first conical ring plate and a second conical ring plate, the reaction time of the materials in all the areas is prolonged, and meanwhile, heating and reaction effects are improved through stirring of the stirring fins; and the first conical ring plate and the second conical ring plate are both of a detachable structure, so replacement is convenient, and use cost is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of gypsum production equipment, in particular to a reaction tank used in a high-strength gypsum production line. Background technique [0002] High-strength gypsum is a kind of gypsum with higher strength. Dihydrate gypsum is distilled under 1.3 atmospheric pressure and 124°C saturated water vapor, and the generated α-type hemihydrate gypsum is ground to obtain high-strength gypsum powder. Formed due to decomposition under higher pressure, high-strength gypsum has coarse grains and relatively small specific surface area, so the porosity after hardening is small, and it has high strength and compactness. [0003] At present, there are two main production methods of high-strength gypsum: semi-dry method and wet method. The semi-dry method is to steam, boil and dry dihydrate gypsum in a reaction tank to form a mixed phase of α and β, and produce The continuity of the wet method is poor; the wet method include...

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Problems solved by technology

[0003] At present, there are two main production methods of high-strength gypsum: semi-dry method and wet method. The semi-dry method is to steam, boil and dry dihydrate gypsum in a reaction tank to form a mixed phase of α and β, and produce The continuity of the wet method is poor; the wet method includes the salt solution method and the aqueous solution method. During the production of the salt solution method, washing is difficult, the production cost is high, the production process of the aqueous solution method is complicated, and the manufacturing requirements of the equipment are strict.

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