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Sulfuryl chloride waste gas treatment device and method

A waste gas treatment device and waste gas treatment technology, applied in the direction of thionyl chloride, chemical instruments and methods, sulfur compounds, etc., can solve the problems of waste gas emission and low purity, and achieve the effect of less equipment investment and good tail gas treatment effect

Inactive Publication Date: 2020-04-07
SHANDONG KAISHENG NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The existing sulfuryl chloride production process is simple and controllable, the waste gas can be recycled, and the harmless production has been basically realized. However, under the conditions of the existing technical process, the industrialized production of zero discharge cannot be fully realized, and the improper production process in the production process Exhaust gas emissions still exist in the process of starting and shutting down, and the existing treatment methods are basically only alkali absorption to obtain sodium salts with low purity and many impurities. With the increase of domestic and foreign markets, the treatment and recovery of this part of exhaust gas is an urgent problem to be solved. process problem

Method used

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  • Sulfuryl chloride waste gas treatment device and method

Examples

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Comparison scheme
Effect test

Embodiment 1

[0049] The sulfuryl chloride waste gas treatment device described in Example 1 includes a tail gas condenser 1, and the tail gas condenser 1 is connected to the mist catcher 2 through a pipeline, and the mist catcher 2 is connected to the preheater 3 through a pipeline, and the preheater 3 is connected to the first-level reactor 4 through pipelines, and the first-level reactor 4 is connected to the sulfur monochloride header tank 8 through pipelines; the first-level reactor 4 is connected to the second-level reactor 5 through pipelines, and the first-level reactor 4 and the upper part of the secondary reactor 5 are connected to the liquid sulfur feed pipe 9, and the secondary reactor 5 is connected to the sulfur furnace 11 through pipelines.

[0050] in:

[0051] The bottom of the secondary reactor 5 is connected to the secondary dump pump 7 through a pipeline, and the secondary dump pump 7 is connected to the upper feed port of the primary reactor 4 through a pipeline.

[00...

Embodiment 2

[0067] The sulfuryl chloride exhaust gas treatment method described in present embodiment 2 may further comprise the steps:

[0068] (1) Control the outlet temperature of the tail gas condenser at 15°C, and the condensing medium of the tail gas condenser is circulating water;

[0069] (2) After condensing, enter the mist catcher, capture the remaining less part of sulfuryl chloride, and completely eliminate sulfuryl chloride;

[0070] (3) The gas phase from the mist catcher enters the preheater, increases the temperature of the gas phase entering the reactor, and controls the steam feed rate of the preheater, thereby controlling the gas phase outlet temperature of the preheater to remain at 90°C;

[0071] (4) with preheated waste gas gas phase, in volume fraction, waste gas is made up of chlorine 40%, sulfur dioxide 40% and air 20%, passes into primary reactor, and primary reactor reaction medium is sulfur monochloride, At the same time, part of the liquid sulfur is input thr...

Embodiment 3

[0077] The sulfuryl chloride exhaust gas treatment method described in the present embodiment 3 may further comprise the steps:

[0078] (1) Control the outlet temperature of the tail gas condenser at 30°C, and the condensing medium of the tail gas condenser is circulating water;

[0079] (2) After condensing, enter the mist catcher, capture the remaining less part of sulfuryl chloride, and completely eliminate sulfuryl chloride;

[0080] (3) The gas phase coming out of the mist catcher enters the preheater, increases the temperature of the gas phase entering the reactor, and controls the steam feed rate of the preheater, thereby controlling the gas phase outlet temperature of the preheater to remain at 112° C.;

[0081] (4) with preheated waste gas gas phase, in volume fraction, waste gas is made up of chlorine 40%, sulfur dioxide 40% and air 20%, passes into primary reactor, and primary reactor reaction medium is sulfur monochloride, At the same time, part of the liquid sul...

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Abstract

The invention belongs to the technical field of sulfuryl chloride waste gas treatment and particularly relates to a sulfuryl chloride waste gas treatment device and method. The device comprises an exhaust gas condenser, the exhaust gas condenser is connected with a mist catcher through a pipeline, the mist catcher is connected with a preheater through the pipeline, the preheater is connected witha first-stage reaction kettle through the pipeline, and the first-stage reaction kettle is connected with a sulfur monochloride elevated tank through the pipeline, the first-stage reaction kettle is connected with a second-stage reaction kettle through a pipeline, upper parts of the first-stage reaction kettle and the second-stage reaction kettle are connected with a liquid sulfur feeding pipe, and the second-stage reaction kettle is connected with a sulfur burning furnace through the pipeline. According to the sulfuryl chloride waste gas treatment method disclosed by the invention, the zero emission of a sulfuryl chloride system is completely realized, the production standard of green chemical engineering is met, the equipment investment is low, the exhaust gas treatment effect is good, and the device is a set of novel sulfuryl chloride waste gas treatment system.

Description

technical field [0001] The invention belongs to the technical field of sulfuryl chloride waste gas treatment, and in particular relates to a sulfuryl chloride waste gas treatment device and method. Background technique [0002] Sulfuryl chloride is a colorless liquid with a pungent odor, density 1.667g / cm 3 , melting point -54.1°C, boiling point 69.1°C, stable at room temperature, decomposes at high temperature, and decomposes when it meets water and alkali; it is a solvent for many substances, such as sulfur dioxide, iodine, bromine, metals, iodides, etc.; it can be mixed with organic solvents such as acetic acid , Ether and other miscibility; can react with many inorganic compounds and organic compounds. Mainly used as chlorinating agent or chlorosulfonating agent, such as chlorination of aromatic compounds, chlorination of carboxylic acid and chlorination of various other organic and inorganic compounds; it can also be used in the manufacture of pharmaceuticals, dyes, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B17/45C01B17/56
CPCC01B17/4538C01B17/4584C01B17/56
Inventor 孙丰炜刘嵩张良张聪聪张善民张泰铭谢圣斌
Owner SHANDONG KAISHENG NEW MATERIALS