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Silica-free oxygen chloride acid extraction treatment method and device

A silicon dioxide and acid extraction technology, applied in the direction of silicon dioxide, silicon oxide, etc., can solve the problems of high production cost, low work efficiency, complex chlorinated acid extraction treatment method, etc. high efficiency

Active Publication Date: 2017-03-15
连云港神汇硅材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are two kinds of chlorination reaction furnaces in the existing chlorination acid extraction device: vertical and horizontal. The existing vertical chlorination reaction furnace has low working efficiency, and the chlorination acid extraction treatment method is complicated and the production cost is high.

Method used

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  • Silica-free oxygen chloride acid extraction treatment method and device

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Embodiment 1

[0016] Embodiment 1, with reference to accompanying drawing, a kind of silicon dioxide anaerobic chlorination acid extraction device comprises vertical chlorination reaction furnace, acid extraction tank 6 and specific gravity separation tank 7; The discharge port of the vertical chlorination reaction furnace is connected, and the specific gravity separation tank 7 is arranged below the acid extraction tank 6; the vertical chlorination reaction furnace is provided with a shell, and a corrosion-resistant furnace body 1 full of a magnetic field is provided in the shell. , the magnetic field is formed by a magnet arranged outside the furnace body 1 . An insulating layer is provided between the shell and the furnace body 1, the top of the furnace body 1 is provided with an air outlet 2 and a feed port, and the feed port is provided with a feed pipe 3 inserted into the furnace body 1, and the furnace body The bottom end of the furnace body 1 is connected with a discharge pipe 5, an...

Embodiment 2

[0018] Embodiment 2, in the silicon dioxide anaerobic chlorination acid extraction device described in embodiment 1, the total height of the truncated cone 4 is 1800 mm, and the diameter of the furnace body 1 is 120 cm.

Embodiment 3

[0019] Embodiment 3, in the silicon dioxide anaerobic chlorination acid extraction device described in embodiment 1, the bottom surface diameter ratio of the truncated cone 4 from bottom to top is 3.5:3:2.5:2:1.5:1 .

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Abstract

The invention discloses a silica oxygen-free chlorination acid extraction treatment method and device. The device comprises a vertical chlorination reaction furnace, an acid extraction tank and a specific gravity separation tank. The acid extraction tank is connected to a discharge outlet of the vertical chlorination reaction furnace by a discharge pipe. The specific gravity separation tank is arranged below the acid extraction tank. The wall of the middle of the vertical chlorination reaction furnace along the furnace axial direction forms inward concaves so that multiple cone frustums with large upper ends and small lower ends are formed, the cone frustums are connected in a way that the small end of the upper cone frustum is connected to the large end of the lower cone frustum, and the bottom diameters of the cone frustums are gradually decreased from bottom to top. The wall of the middle of the vertical chlorination reaction furnace forms the multiple cone frustums connected in a way that the small end of the upper cone frustum is connected to the large end of the lower cone frustum so that when chlorinated gas enters into the furnace from the furnace bottom and is discharged by the furnace top, eddy is formed in the furnace and thus chlorination reaction effects are improved. In chlorination treatment, SiO2 particles are pre-heated and then the chlorinated gas at a temperature of 500-1500 DEG C is fed into the chlorination reaction furnace from the furnace bottom so that chlorination efficiency is high and effects are good.

Description

technical field [0001] The invention relates to a silicon dioxide anaerobic chlorination acid extraction device; the invention also relates to a treatment method for using the aforementioned device to carry out anaerobic chlorination acid extraction of silicon dioxide. Background technique [0002] A chlorinated acid extraction device is required to remove lithium, sodium, potassium, copper and other elements in quartz sand by chlorinated acid extraction of silica. There are two types of chlorination reaction furnaces in existing chlorination acid extraction devices: vertical and horizontal. The existing vertical chlorination reaction furnace has low working efficiency, and the chlorination acid extraction treatment method is complicated and the production cost is high. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a device for the anaerobic chlorination acid extraction treatment of silica with simple structure...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B33/12
Inventor 陈怀斌陈麟鑫
Owner 连云港神汇硅材料科技有限公司
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