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Device for continuous separation of coarse particles before titanium dioxide coating process

A technology of coarse particles and titanium dioxide, which is applied in the field of continuous separation of coarse particles before the titanium dioxide coating process, can solve the problems of reducing the dispersion of slurry, uneven particles of coated slurry, and broken screens, and achieve a reduction Coarse particle content, breaking through technical bottlenecks, and improving the effect of dispersion

Active Publication Date: 2018-11-13
CHONGQING TITANIUM IND OF PANGANG GROUP
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Problems solved by technology

However, due to the limited production target, the mesh size of the screen generally can only reach 500 mesh, and due to the instability of production, the screen often needs to be cleaned or even damaged and replaced during the production process, resulting in the slurry still containing There are more coarse particles, which leads to the inhomogeneity of the coated slurry particles and reduces the dispersibility of the slurry, thereby reducing the process indicators such as dispersibility, brightness, decolorization power and cleanliness of the final product, which cannot reach To the quality requirements of high-end products

Method used

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  • Device for continuous separation of coarse particles before titanium dioxide coating process
  • Device for continuous separation of coarse particles before titanium dioxide coating process

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] Such as figure 1 , figure 2 The shown device for continuous separation of coarse particles before the titanium dioxide coating process includes a settling tower body 1 and a feed pipe 3, and the shown settling tower body 1 consists of a cylindrical structure 11 on the upper part and an inverted conical structure 12 on the lower part. Structural composition, the outlet of described feeding pipe 3 is arranged at the junction of cylindrical structure 11 and inverted conical structure 12 of settling tower body 1, and the central axis of described feeding pipe 3 and the cylindrical structure of settling tower body 1 The inner wall of 11 is tangent, and the top of the cylindrical structure 11 is provided with a discharge pipe 2, which communicates with the coating process pipeline 21 and a return pipe 22 respectively, and the return pipe 22 communicates with the fee...

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Abstract

The invention relates to the field of production equipment of titanium dioxide, in particular to a device used for continuously separating coarse grains before the coating process of the titanium dioxide. The device used for continuously separating the coarse grains before the coating process of the titanium dioxide can obviously improve the quality of the coating slurry particles to obtain primary high-cleanliness and high-dispersity titanium dioxide products. The device comprises a sedimentation tower body and a feed pipe. The sedimentation tower body is composed of an upper cylindrical body structure and a lower inverted-cone structure. The outlet of the feed pipe is arranged at the connection part of the cylindrical body structure and the inverted-cone structure of the sedimentation tower body. The central axis of the feed pipe is tangent to the inner wall of the cylindrical body structure of the sedimentation tower body. A discharge pipe is arranged on the top of the cylindrical body structure and communicated with a coating process pipeline and a return pipe, and the return pipe is communicated with the feed pipe. The device breaks through the technical bottleneck of traditional equipment, effectively improves the product quality and is especially suitable for the production process of high-quality coating slurry.

Description

technical field [0001] The invention relates to the field of titanium dioxide production equipment, in particular to a device for continuously separating coarse particles before the titanium dioxide coating process. Background technique [0002] The existing titanium dioxide production enterprises generally adopt the method that after sanding by a sand mill, the material directly passes through a sieve with a certain mesh number, and then vibrates, and the slurry that passes through the sieve is directly prepared to the target concentration and then coated. However, due to the limited production target, the mesh size of the screen generally can only reach 500 mesh, and due to the instability of production, the screen often needs to be cleaned or even damaged and replaced during the production process, resulting in the slurry still containing There are more coarse particles, which leads to the inhomogeneity of the coated slurry particles and reduces the dispersibility of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03B5/32
Inventor 廖荣华李训勇刘佳袁立军和柳郭菊仙景建林
Owner CHONGQING TITANIUM IND OF PANGANG GROUP
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