Titanium dioxide enveloping system and method

A titanium dioxide and coating technology, applied in chemical instruments and methods, inorganic pigment processing, fibrous fillers, etc., can solve the problem of low coating processing ability, and achieve the effect of dense film layer and stable quality

Inactive Publication Date: 2018-02-02
YUNNAN METALLURGICAL XINLI TITANIUM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

on TiO 2 In the surface treatment of the base material, limited by the existing technology, the domestic TiO 2 Coating concentration is generally 200-300g / L, and the ability of coating treatment is low
[0004] Therefore, the existing titanium dioxide coating methods still need to be improved

Method used

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  • Titanium dioxide enveloping system and method
  • Titanium dioxide enveloping system and method
  • Titanium dioxide enveloping system and method

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Experimental program
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Effect test

Embodiment

[0086] Follow the steps below to coat the titanium dioxide slurry:

[0087] (1) Add titanium dioxide slurry into the coating tank, when the liquid level in the coating tank is higher than the lower paddle, start the frequency converter, and control the multi-layer stirring paddle to stir at a speed of 40-60r / min;

[0088] When the liquid level in the coating tank is higher than the middle paddle, the frequency converter controls the multi-layer stirring paddle to stir at a speed of 60-80r / min;

[0089] When the liquid level in the coating tank is higher than the upper paddle until the feeding is completed, the frequency conversion governor controls the multi-layer stirring paddle to stir at a speed of 65-85r / min;

[0090] After the feeding is completed, the frequency converter controls the multi-layer stirring paddle to stir at a speed of 70-90r / min;

[0091] (2) Adjust the speed of the frequency converter to 65~85r / min;

[0092] (3) The first discharge valve is opened. Duri...

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Abstract

The invention discloses a titanium dioxide coating system and method. The system includes: a titanium dioxide storage tank; first to third coating agent storage tanks; first to third discharge valves; a coating tank, which has a titanium dioxide inlet, The inlet of the coating agent and the outlet of titanium dioxide after coating; the density meter; the liquid level gauge; the stirring device, which includes a multi-layer stirring paddle and a frequency conversion governor, and the multi-layer stirring paddle is connected with the frequency conversion speed controller and is extended and arranged on the coating In the tank; among them, the frequency converter is respectively connected with the density meter, the liquid level gauge and the first to the third discharge valves, and the frequency converter is suitable for adjusting the rotation speed of the multi-layer stirring paddle according to the signals of the density meter and the liquid level gauge And the opening and closing of the first to third discharge valves. The system can adjust the speed of the stirring device in the coating tank in real time according to the concentration of titanium dioxide slurry, its liquid level in the coating tank and the addition of coating agent, so as to realize the coating of high-concentration titanium dioxide slurry Processing, and the product film layer is dense, uniform, and stable in quality.

Description

technical field [0001] The invention relates to the field of chemical industry, in particular, the invention relates to a titanium dioxide coating system and method. Background technique [0002] Due to TiO 2 The photochemical properties and lattice defects of the base material, using TiO 2 To prepare titanium dioxide from the base material and use it as a coating, it is necessary to use inorganic and organic coatings to block the TiO2. 2 photoactive sites of the base material to enhance the TiO 2 weather resistance and gloss. At the same time TiO 2 It is essentially a hydrophilic and oil-repellent substance, with a negative charge on the surface, and poor dispersion in organic media. The prepared titanium dioxide coating is prone to problems such as floating color, blooming, flocculation and precipitation. [0003] Therefore, it is necessary to block TiO by means of surface treatment. 2 Photoactive sites on the surface, insulating TiO 2 Direct contact with light impr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/36C09C3/06
CPCC09C1/3607C09C1/3661C09C3/063
Inventor 冯炜光江书安刘建良申利钱春花杨英李建菊
Owner YUNNAN METALLURGICAL XINLI TITANIUM IND CO LTD
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