Production device and production method of phosphorus oxychloride

A technology for phosphorus oxychloride and production equipment, applied in the direction of phosphorus halide/oxyhalide, etc., can solve the problems of low oxygen utilization rate, low production efficiency, complicated production process, etc., and achieves superior effect, high production safety, Reasonable effect of temperature control

Active Publication Date: 2017-03-15
JIANGXI DIANHUA LEFENG CHEM IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the present invention improves the utilization of raw materials to some extent, the production process is complicated, the production efficiency is low, and the utilization rate of oxygen is not high

Method used

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  • Production device and production method of phosphorus oxychloride
  • Production device and production method of phosphorus oxychloride
  • Production device and production method of phosphorus oxychloride

Examples

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Embodiment 1

[0039] A production device for phosphorus oxychloride, comprising a liquid oxygen storage tank 11, a vaporizer 12, a buffer tank 13, a phosphorus trichloride header tank 10, a first reaction kettle 141, a second reaction kettle 142, a condenser 15, and a finished product storage Tank 18, tail gas absorption tower 16 and waste water treatment tank 17.

[0040] Such as figure 1 As shown, the liquid oxygen storage tank 11 is connected to the vaporizer 12 through a first pipeline, and a voltage stabilizer 20 is arranged on the first pipeline. The second pipeline and the third pipeline are connected with the first reactor 141 and the second reactor 142, and the second pipeline and the third pipeline are equipped with an oxygen flowmeter 21 and a control valve; the first reactor 141 and the second reactor 142 is provided with the water inlet 6A and the water outlet 6B of material inlet, finished product outlet and jacket; The fourth pipeline is connected with the material inlet of...

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Abstract

The invention provides a production device of phosphorus oxychloride, which includes: a liquid oxygen storage trough, a vaporizer, a buffer tank, a phosphorus oxychloride elevated tank, a first reaction kettle, a second reaction kettle, and a condenser. Jackets are disposed on the outer sides of the bodies of the first and second reaction kettles while coil pipes are disposed in the inner sides, so that dual cooling is achieved and the device has good condensation effect. A pressure sensor is fixed on the outer surface of the inner layer of the buffer tank for sensing aging degree of the inner layer of the buffer tank. The condenser is operated in a multi-stage condensation manner, wherein a plurality of vapor pipes are disposed in the condenser. The vapor pipes and a coolant pipe are arranged separately. An emergency water discharge outlet is arranged on the lower side of the cylindrical body so that treatment when the pipes leak can be performed timely. The production device is greatly improved in safety and reliability, increases utilization rate of raw materials and improves production efficiency.

Description

technical field [0001] The invention belongs to the field of chemical equipment, and in particular relates to a production device and a production method of phosphorus oxychloride. Background technique [0002] Phosphorus oxychloride can be used as an oxidant and organic synthesis catalyst in the chemical industry. It has a wide range of uses. It is one of the main raw materials for phosphate organic products. It is mainly used in pesticides, pharmaceuticals, dye intermediates, semiconductor doping sources and light guides. Fiber materials and other industries have a wide range of applications. [0003] The production of phosphorus oxychloride in my country began in the 1950s, and basically adopted the method of dripping chlorine through phosphorus trichloride. In the 1990s, some colleges and universities in my country began the process of producing phosphorus oxychloride by oxygen oxidation of phosphorus trichloride Research has improved the production level of phosphorus o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B25/10
CPCC01B25/10
Inventor 徐建农汪越勇陈建茂
Owner JIANGXI DIANHUA LEFENG CHEM IND CO LTD
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