Wet dust removal device and technique for titanium tetrachloride smoke
A technology of titanium tetrachloride and wet dedusting, applied in the direction of titanium halide, chemical instruments and methods, separation methods, etc., can solve the problems of high failure rate and energy consumption, huge equipment, high investment and maintenance costs, and reduce dust content Quantity, increase yield, reduce construction investment and the effect of production and maintenance costs
Active Publication Date: 2015-04-15
JINCHUAN GROUP LIMITED
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Problems solved by technology
However, the thickener equipment used in the traditional process is huge, with high failure rate and energy consumption, and high investment and maintenance costs; and the filter needs to replace the filter cloth or filter element regularly, and the on-site operating environment is poor during the replacement process
Meanwhile, the yield of titanium tetrachloride is low
Method used
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[0016] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0017] Such as figure 1 As shown, the present invention is used for the wet dedusting device of titanium tetrachloride flue gas, comprises circulation groove 8, and the bottom of circulation groove 8 is connected with underflow groove 7, and the top of circulation groove 8 is equipped with circulation pump 9 and vertically arranged separating Tower 10; the upper part of the side wall of the separation tower 10 is provided with an air outlet 14, and the separation tower 10 is sequentially installed with a foam catcher 13 and a liquid inlet pipe 11 from top to bottom, and the liquid inlet pipe 11 is provided with a plurality of nozzles facing the foam catcher 13 of the washing nozzle 12, the position of the mist catcher 13 is lower than the position of the gas outlet 14; the bottom of the side wall of the separation tower 10 is equipped with a ...
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The invention provides a wet dust removal device and a wet dust removal technique for titanium tetrachloride smoke. The device comprises a circulation slot and a bottom flow slot, wherein a separation tower and a circulation pump with an outlet connected to an inlet of a sleeve heat exchanger are mounted on the circulation slot; an air outlet is formed in the side wall of the separation tower; a mist eliminator and a plurality of cleaning blow heads with upward nozzles are arranged in the separation tower; the lower part of the side wall of the separation tower is fixedly connected with a turbulent inverse nozzle with an upward opening, wherein a two-stage blow head is arranged in the turbulent inverse nozzle; and an outlet and a liquid inlet of the sleeve heat exchanger are communicated with a liquid inlet tube and the two-stage blow head. A smoke inlet is connected with a chlorination furnace smoke outlet, the air outlet is connected with a washing and condensing process, and the outlet of the sleeve heat exchanger is connected with a front-end solid phase dust collection process; after heat exchange in the sleeve heat exchanger, circulation liquid is sent to the two-stage blow head, the liquid inlet tube and the front-end solid phase dust collection process; and after entering the turbulent inverse nozzle, chlorination furnace smoke is inversely crashed with the liquid blown from the two-stage blow head and then is washed and led to the separation tower for secondary washing. In the device, a thickener and a filter are abandoned, so that the energy consumption in production is reduced and the investment and maintenance costs of a settling and filtering system are saved.
Description
technical field [0001] The invention belongs to the technical field of crude titanium tetrachloride production, and relates to a wet dedusting device for flue gas containing titanium tetrachloride in the production of boiling chlorination, in particular to a device for removing fume containing titanium tetrachloride by using turbulent washing technology. A device for wet dedusting of titanium tetrachloride flue gas; the present invention also relates to a process for using the device to carry out wet dedusting of titanium tetrachloride flue gas. Background technique [0002] In the process of producing crude titanium tetrachloride by boiling chlorination, the flue gas of titanium tetrachloride released from the furnace contains a large amount of dust, which meets the requirements through cooling dust collection, circular leaching, sedimentation filtration, gas-liquid separation, and tail gas treatment. The crude titanium tetrachloride and meet environmental protection emissi...
Claims
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IPC IPC(8): B01D47/12C01G23/02
Inventor 梁曦彬田忠元李娜刘福源马海青
Owner JINCHUAN GROUP LIMITED