Automatic control of sulfur tetrafluoride production process

A technology of automatic control and sulfur tetrafluoride, which is applied in the direction of sulfur and halogen compounds, can solve the problems affecting product purity, yield and production cost, unable to carry out continuous industrial production, artificial randomness, and large experience. Achieve the effect of reducing artificial arbitrariness, reducing arbitrariness and experience, and reducing human operation

Active Publication Date: 2011-06-01
山东锐华氟业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the aforementioned patent method adopts manual adjustment control, and has no means of process control analysis and product analysis, and completely relies on human experience for judgment and processing. Therefore, artificial randomness and experience are large, product quality is unst

Method used

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  • Automatic control of sulfur tetrafluoride production process
  • Automatic control of sulfur tetrafluoride production process
  • Automatic control of sulfur tetrafluoride production process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The automatic control process of sulfur tetrafluoride synthetic reaction:

[0031] Iodine pentafluoride and sulfur react in sulfur tetrafluoride reactor to synthesize sulfur tetrafluoride crude gas, wherein:

[0032] Iodine pentafluoride flows from the iodine pentafluoride supply tank through the pipeline into the sulfur tetrafluoride reactor, and sulfur flows into the sulfur tetrafluoride reactor through the pipeline from the molten sulfur tank;

[0033] The sulfur tetrafluoride reactor is equipped with a remote automatic temperature control and adjustment system to control the reaction temperature of sulfur tetrafluoride; the sulfur tetrafluoride reactor and the iodine pentafluoride supply tank are equipped with remote vacuum pressure gauges, Adjust the pneumatic control valve according to the pressure change to automatically control the amount of iodine pentafluoride entering the sulfur tetrafluoride reactor; at the same time, adjust the pneumatic control valve accor...

Embodiment 2

[0035] The automatic control process of sulfur tetrafluoride synthetic reaction:

[0036] Iodine pentafluoride and sulfur react in sulfur tetrafluoride reactor to synthesize sulfur tetrafluoride crude gas, wherein:

[0037] Iodine pentafluoride flows from the iodine pentafluoride supply tank through the pipeline into the sulfur tetrafluoride reactor, and sulfur flows into the sulfur tetrafluoride reactor through the pipeline from the molten sulfur tank;

[0038] The sulfur tetrafluoride reactor is equipped with a remote automatic temperature control and adjustment system to control the reaction temperature of sulfur tetrafluoride; the sulfur tetrafluoride reactor and the iodine pentafluoride supply tank are equipped with remote vacuum pressure gauges, Adjust the pneumatic control valve according to the pressure change to automatically control the amount of iodine pentafluoride entering the sulfur tetrafluoride reactor; at the same time, adjust the pneumatic control valve accordi...

Embodiment 3

[0040] The automatic control process of sulfur tetrafluoride synthetic reaction:

[0041] Iodine pentafluoride and sulfur react in sulfur tetrafluoride reactor to synthesize sulfur tetrafluoride crude gas, wherein:

[0042] Iodine pentafluoride flows from the iodine pentafluoride supply tank through the pipeline into the sulfur tetrafluoride reactor, and sulfur flows into the sulfur tetrafluoride reactor through the pipeline from the molten sulfur tank;

[0043] The sulfur tetrafluoride reactor is equipped with a remote automatic temperature control and adjustment system to control the reaction temperature of sulfur tetrafluoride; the sulfur tetrafluoride reactor and the iodine pentafluoride supply tank are equipped with remote vacuum pressure gauges, Adjust the pneumatic control valve according to the pressure change to automatically control the amount of iodine pentafluoride entering the sulfur tetrafluoride reactor; at the same time, adjust the pneumatic control valve accor...

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PUM

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Abstract

The invention relates to automatic control of a sulfur tetrafluoride production process, comprising the automatic control of sulfur tetrafluoride synthesis reaction, the automatic control of sulfur tetrafluoride cooling, separating and capturing, the automatic control of iodine pentafluoride preparation, the automatic control of fluoride preparation and purification, the automatic control of rectification and purification and the automatic control of recycling. The invention ensures the stability of the quality of the sulfur tetrafluoride product by adopting measures of system process control analysis, product mass spectrum analysis and chemical analysis and also ensures the continuous and stable running of production; the production process for synthesizing sulfur tetrafluoride adopts DCS (Distributed Control System) automation device control in the whole course, reduces artificial randomness and experience, improves the stability of the product quality as well as the purity, the yield and the production efficiency of the product and reduces the raw material waste and the production cost.

Description

technical field [0001] The invention relates to an automatic control process of fluorine chemical products, more specifically, the invention relates to the automatic control of sulfur tetrafluoride production process, which belongs to the field of fluorine chemical industry. Background technique [0002] Abroad, the United States uses alkali metal fluoride and sulfur to react to synthesize sulfur tetrafluoride; the United States also uses fluorine gas and sulfur to directly react to generate sulfur tetrafluoride (SF 4 ): containing sulfur hexafluoride (SF 6 ), sulfur difluoride (SF 2 ), and containing highly toxic decafluorooxydisulfide (S 2 0F 10 ) and other impurities; the utilization rate of fluorine is low, and the impurity content is much difficult to rinse and purify, the recovery rate is low, and the waste is large; there is no large-scale industrialized automatic control of the production of sulfur tetrafluoride technology abroad. [0003] At present, there are o...

Claims

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Application Information

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IPC IPC(8): C01B17/45
Inventor 李学庆
Owner 山东锐华氟业有限公司
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