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Safety interlock control system and control method for fixed bed anthraquinone process hydrogen peroxide device

A technology of control system and safety interlock, applied in chemical instruments and methods, peroxide/peroxy hydrate/peroxyacid/superoxide/ozonide, inorganic chemistry, etc., can solve explosion, working fluid combustion , Affecting the safe production of the device and other issues, achieving the effect of overcoming the human operation and avoiding the further deterioration of the accident

Active Publication Date: 2015-04-29
HUBEI SANNING CHEM
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

Since hydrogen peroxide is prone to decompose and heat up under alkaline conditions or when encountering metal ions, it may cause the working fluid in the device to burn or even explode, seriously affecting the safe production of the device

Method used

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  • Safety interlock control system and control method for fixed bed anthraquinone process hydrogen peroxide device
  • Safety interlock control system and control method for fixed bed anthraquinone process hydrogen peroxide device
  • Safety interlock control system and control method for fixed bed anthraquinone process hydrogen peroxide device

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Embodiment Construction

[0020] The equipment arrangement of the present invention is as figure 1 Shown: a safety interlock control system of a fixed-bed anthraquinone method hydrogen peroxide device, the control system is provided with a hydrogen flow regulating valve 3 on the hydrogen main pipe entering the hydrogenation tower 2; There is an air quick switch valve 13 and an air flow regulating valve 14; the pure water pipeline entering the extraction tower 28 is provided with a pure water flow regulating valve 27; the hydrogen peroxide pipeline entering the purification tower 35 is provided with a hydrogen peroxide flow regulating valve 32;

[0021] The control system is provided with a circulating working fluid flow regulating valve 1 on the working fluid pipeline entering the hydrogenation tower 2, a hydrogenation gas-liquid separator liquid level regulating valve 4 is provided on the pipeline exiting the hydrogenation tower 2, and a branch circuit is also provided. Through the hydrogenated clay b...

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Abstract

The invention discloses a safety interlock control system and a control method for a fixed bed anthraquinone process hydrogen peroxide device. Temperature measurement instruments are arranged in an oxidation tower and an extraction tower; the temperature and the temperature rising rates of the oxidation tower and the extraction tower are set into interlock values; automatic opening and closing of a valve under an abnormal working condition are achieved; and hazardous materials are rapidly withdrawn to an accident tank or an accident pond. Through the safety interlock control system, the hydrogen peroxide production process is controlled; safe production of the device is ensured; and a firing explosion accident is avoided.

Description

technical field [0001] The invention relates to the technical field of hydrogen peroxide production, in particular to a safety interlock control system and a control method of a fixed-bed anthraquinone method hydrogen peroxide device. Background technique [0002] At present, domestic hydrogen peroxide production devices basically adopt the fixed-bed anthraquinone process. Since hydrogen peroxide is prone to decompose and heat up under alkaline conditions or encounter metal ions, etc., it may cause the working fluid in the device to burn or even explode, seriously affecting the safe production of the device. If certain measures can be taken to automatically remove the decomposed materials from the system under abnormal working conditions and realize unmanned operation, the probability of serious accidents will be greatly reduced, and personal injury accidents of on-site operators will be avoided. Reduce losses. Contents of the invention [0003] The purpose of the presen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B15/023
CPCC01B15/023
Inventor 李万清魏天荣佘林源刘继前高传平杨文华姜鑫
Owner HUBEI SANNING CHEM
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