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Organic matter vanadium removal mud solid-liquid separation device and separation method

A technology for solid-liquid separation and organic matter, applied in separation methods, filtration separation, chemical instruments and methods, etc., can solve problems such as high equipment requirements, clogging of nozzles, complex process flow, etc., and achieve high separation efficiency, low energy consumption, and process Simple process effect

Active Publication Date: 2017-07-07
PANGANG GROUP RESEARCH INSTITUTE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the spray condensation process, the country has higher requirements for equipment, the process is more complicated, and the nozzle is blocked.

Method used

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  • Organic matter vanadium removal mud solid-liquid separation device and separation method

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Effect test

example 1

[0025] Example 1: Solid-liquid separation of vanadium removal slurry for organic matter in the laboratory

[0026] Main equipment: drying furnace size φ200mm×1000mm, amplification room 1000mm×1000mm×1500mm, processing 20kg of vanadium removal mud per hour. The implementation steps are: A. Through the slurry pump, 20kg of organic vanadium removal slurry is input into the drying furnace 1 through the slurry inlet 5, and the valve of the bottom slurry outlet 4 is opened, and the filtrate is sent out for 4 minutes to 6 minutes; B. Close the slurry outlet 4 , the valves of mud inlet 5 and hot gas outlet 7, open the valves of condenser interface 3 and hot gas inlet 6, and the hot gas inlet 6 is fed with heated inert gas. / s, until there is no condensate in the condensation place, the time is generally 30min to 40min; C, close the valve of the condenser interface 3, open the valve of the hot gas outlet 7, open the valve of the tail gas outlet of the amplification chamber 8, and incre...

example 2

[0027] Example 2: Solid-liquid separation treatment of 2t / h organic vanadium removal mud

[0028] Main equipment: drying furnace size φ1500mm×2000mm, amplification chamber 3000mm×3000mm×5000mm, processing 2000kg of organic vanadium removal mud per hour. The implementation steps are: A. Through the slurry pump, 2000kg of organic vanadium removal slurry is input into the drying furnace 1 through the slurry inlet 5, and the valve of the bottom slurry outlet 4 is opened, and the filtrate is sent out for 8 minutes to 12 minutes; B. Close the slurry outlet 4 , the valves of mud inlet 5 and hot gas outlet 7, open the valves of condenser interface 3 and hot gas inlet 6, and the hot gas inlet 6 is fed with heated inert gas. / s, until there is no condensate in the condensation place, the time is generally 40min to 50min; C. Close the valve of the condenser interface 3, open the valve of the hot gas outlet 7, open the valve of the exhaust gas outlet of the amplification chamber 8, and in...

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Abstract

The invention relates to an organic matter vanadium removal mud solid-liquid separation device and a method for carrying out organic matter vanadium removal mud solid-liquid separation by adopting the device and belong to the field of mixed metallurgy. The method comprises the following steps: inputting organic matter vanadium removal mud into a drying oven through a mud inlet, enabling the organic matter vanadium removal mud to flow through a filtering element in a filter unit, and realizing separation of organic matter vanadium removal residue and titanium tetrachloride in the mud; after filtration, introducing heated inert gas, so that titanium tetrachloride in a filter cake on the filter unit is evaporated, the evaporated titanium tetrachloride gas is recycled by a condenser connected with a condenser connector, so that titanium tetrachloride is obtained; and finally blowing out the dried organic matter vanadium removal residue from a hot gas outlet by virtue of atmospheric flow, and collecting. The device and method which are provided by the invention have the advantages that solid-liquid separation efficiency is more than 99%, and recovery ratio of TiCl4 in the mud is more than 98%; and no chlorinated tailing is doped, so that the separated organic matter vanadium removal residue also can be used for vanadium extraction production, and recycling is realized.

Description

technical field [0001] The invention relates to a solid-liquid separation device for an organic vanadium-removing mud and a method for solid-liquid separation of an organic vanadium-removing mud by using the device, belonging to the field of mixed metallurgy. Background technique [0002] The refined tailings of titanium tetrachloride is the slag produced by using aluminum powder to remove vanadium from crude titanium tetrachloride produced by the chlorination method, and is one of the typical solid wastes in the production process of TiCl4. During the chlorination process, the V in the titanium slag 2 o 5 Chlorinated to generate VOCl 3 . At present, the more mature vanadium removal processes are organic vanadium removal process and aluminum powder vanadium removal process, especially for chloride titanium dioxide, organic vanadium removal process has become the absolute mainstream vanadium removal process due to its advantages of large production capacity and low cost. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/00B01D29/84C01G23/02
CPCB01D29/00B01D29/843C01G23/024C01P2006/80
Inventor 李良周丽李冬勤刘森林杜明龙盘中
Owner PANGANG GROUP RESEARCH INSTITUTE CO LTD
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