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A titanium tetrachloride chlorination furnace with a diameter of 9 meters

A technology of titanium tetrachloride and chlorination furnace, applied in titanium tetrachloride, titanium halide and other directions, can solve the problems of corrosion and perforation of chlorination furnace wall and smoke, to solve the problem of corrosion, perforation and smoke, enlarge production size, weaken The effect of corrosion

Active Publication Date: 2017-12-05
仙桃市中星电子材料有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to provide a titanium tetrachloride chlorination furnace with a diameter of 9 meters, so as to solve the technical problem of chlorination furnace wall corrosion, perforation and smoke emission in the prior art

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  • A titanium tetrachloride chlorination furnace with a diameter of 9 meters
  • A titanium tetrachloride chlorination furnace with a diameter of 9 meters

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Embodiment Construction

[0017] Below in conjunction with specific embodiment and accompanying drawing, the present invention is further described:

[0018] like figure 1 , 2 As shown, the titanium tetrachloride chlorination furnace with a diameter of 9 meters includes a furnace bottom 2, a cylinder body 3, a slag discharge port 4 and a ball head 5. The diameter of the cylinder body 3 is 9 meters, and the thickness is from the center to the edge in the section. The furnace bottom 2 of the gradually increasing double trapezoidal structure 15 is provided with a bottom refractory brick layer 11, and the furnace bottom 2 is provided with a gas mixing chamber 12. The chlorine gas pipes 14 connected with it are distributed above the gas mixing chamber 12, from the ball head 5 to the chlorination chamber. The bottom of the furnace cylinder body 3 is built into an outer refractory brick layer 8, and a layer of phosphate refractory concrete heat-insulating refractory castable is integrally poured between the ...

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Abstract

The invention discloses a titanium tetrachloride chlorination furnace with the diameter of 9 meters. The titanium tetrachloride chlorination furnace comprises a furnace bottom, a cylinder, a slag discharge outlet and a ball sealing head, wherein the furnace bottom and the slag discharge outlet are provided with refractory bricks, outer-layer refractory bricks are disposed on a portion from the ball sealing head to the bottom of the cylinder to serve as a permanent inner layer, a refractory casted layer is integrally casted between the outer-layer refractory bricks and the wall of the chlorination furnace, and replaceable inner-layer refractory bricks closely adjacent to the outer-layer refractory bricks are added to the lower half portion of the chlorination furnace. The titanium tetrachloride chlorination furnace has the advantages that corrosion of furnace chlorine gas to a furnace shell can be effectively weakened by the inner-layer and out-layer refractory bricks; airtightness is increased effectively by the refractory casted layer to further prevent the chlorine gas from permeating and corroding the furnace shell; nitrogen is fed into a nitrogen feeding scavenging duct, the pressure of the nitrogen is used to resist the permeated chlorine gas so as to weaken the corrosion of the chlorine gas to the furnace shell, and the ubiquitous problem that the wall of the chlorination furnace is perforated by corrosion and emits smoke in the prior art is solved.

Description

technical field [0001] The invention relates to a chlorination furnace, in particular to a titanium tetrachloride chlorination furnace with a diameter of 9 meters. Background technique [0002] In the design of refractory bricks for the lining of the chlorination furnace, the main consideration is that the boiling section is the main reaction section of the chlorination furnace. The temperature in the reaction section is high, the concentration of chlorine gas is large, and the material is seriously eroded by the refractory bricks of the furnace wall. Corrosion and good airtightness. In actual production, there is a phenomenon of corrosion, perforation and smoke, especially in the boiling section, and the larger the furnace type, the more obvious the corrosion of the equipment will be accelerated under the action of the acidic medium and high temperature. Under strict conditions, chlorine gas can easily penetrate into the outer wall through the brick joints and cause corros...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G23/02
CPCC01G23/022
Inventor 赵中友黄敏吴兵生陈连章管国锋尹望中侯磊冯广应
Owner 仙桃市中星电子材料有限公司
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