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Chlorine gas metering and leading-in device in phenylethene thermostable resin chloridization process

A high-temperature-resistant resin and styrene-based technology, applied in the field of chlorine gas metering and introducing devices, can solve the problems of complicated pipeline connections, complicated operations, and many storage tanks, and achieve the effects of improving physical and chemical performance indicators, wide application, and precise control

Active Publication Date: 2007-07-04
KAIRUI ENVIRONMENTAL PROTECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this patent, not only are there many storage tanks, the pipeline connections are complicated, and the operation is also relatively complicated, but also liquid chlorine is added to the reactor, and the system does not have any measuring instruments. Both the working principle and the application are essentially related to the present invention. the difference

Method used

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  • Chlorine gas metering and leading-in device in phenylethene thermostable resin chloridization process
  • Chlorine gas metering and leading-in device in phenylethene thermostable resin chloridization process
  • Chlorine gas metering and leading-in device in phenylethene thermostable resin chloridization process

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1 As shown in Figure 1, the chlorine gas metering and introducing device in the styrene-based high temperature resistant resin chlorination process consists of chlorine bottle 1, chlorine bottle continuous metering electronic scale 2, gas chlorine outlet valve 3, chlorine gas pipe 4, glass rotor flow rate Meter 5, chlorine gas regulating valve 6 and chlorine gas distributor 7, chlorine bottle 1 is placed on electronic scale 2, one end of chlorine gas pipe 4 is connected to chlorine bottle and then connected to gas chlorine outlet valve 3, glass rotameter 5, gas chlorine Regulating valve 6, the other end of which is installed with a chlorine gas distributor 8 extending into the styrene-based high-temperature-resistant resin chlorination reaction kettle 7, the chlorine gas pipe is inserted from the still body of the reaction kettle, and the chlorine gas distributor 8 is distributed with porous annular Tube.

[0021] Utilize this chlorine metering introduction d...

Embodiment 2

[0022] Embodiment 2 As shown in Figure 2, the chlorine gas metering and introducing device in the styrene-based high temperature resistant resin chlorination process consists of chlorine bottle 1, chlorine bottle continuous metering electronic spring scale 2, gas chlorine outlet valve 3, chlorine gas pipe 4, metal rotor flow rate Meter 5, chlorine gas regulating valve 6 and chlorine gas distributor 7. The chlorine bottle 1 is placed on the electronic scale 2. One end of the chlorine gas pipe 4 is connected to the chlorine bottle and connected to the chlorine gas outlet valve 3, the glass rotameter 5 and the gas chlorine regulator in turn. Valve 6, the other end of which is equipped with a chlorine gas distributor 8 extending into the styrene-based high-temperature-resistant resin chlorination reaction kettle 7, the chlorine gas pipe is inserted from the bottom of the reaction kettle, and the chlorine gas distributor 8 is a circular pipe with holes .

[0023] Utilize this chlor...

Embodiment 3

[0024] Embodiment 3 As shown in Figure 3, the chlorine gas metering and introducing device in the styrene-based high-temperature-resistant resin chlorination process consists of a chlorine bottle 1, a chlorine bottle continuous metering mechanical scale 2, a gas chlorine outlet valve 3, a chlorine gas pipe 4, and an orifice flow rate Meter 5, gas chlorine regulating valve 6 and chlorine gas distributor 7 are composed of, an electric heating device 9 is also arranged under the chlorine bottle 1, the chlorine bottle and the heating device are placed on the electronic scale 2, and one end of the chlorine gas pipe 4 is connected to the chlorine bottle and connected in sequence The gas chlorine outlet valve 3, the orifice flowmeter 5 and the gas chlorine regulating valve 6 are equipped with a chlorine gas distributor 8 extending into the styrene series high temperature resistant resin chlorination reaction kettle 7, and the chlorine gas pipe is connected from the top of the reaction ...

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PUM

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Abstract

The invention relates to an introduction device for chlorine measurement, belonging to accurate measuring addition device. It is characterized in that it comprises chlorine bottle, continous measuring scale for chlorine bottle, chloride outlet valve, chlorine pipe, chlorine measuring device, chlorine adjusting valve and chlorine distributorp; chlorine bottle is set on said continous measuring device, one end of chlorine pipe is connected with chlorine bottle and connected with chlorine outlet valve, chlorine measuring instrument, chlorine adjusting valve in sequence; the other end is equipped with chlorine distributor that inserts into chlorination reaction kettle. The device enables chlorine to be fed into chlorination reaction kettle continuously, safely and quantitatively, makes the chlorination easy to realize and chlorine content in resin can be controlled accurately. The device can be widely used in phenylethylene high temperature-resistance resin chlorination process.

Description

technical field [0001] The invention belongs to a device for accurately metering and adding gaseous chlorine in a chlorination process, in particular to a chlorine gas metering and introducing device in a chlorination process for a styrene-based high-temperature-resistant resin. Background technique [0002] Styrene-divinylbenzene polymer white balls are widely used in organic synthesis industries such as etherification, hydration, esterification, and alkylation as high-temperature-resistant strong acid cationic resin catalysts. It has the advantages of low corrosion to equipment and high product purity. . At present, the method to improve the high temperature resistance of the resin is mainly to introduce electron-withdrawing groups such as halogens (F, Cl, Br) on the aromatic ring. In the industrial production process, the temperature resistance of the resin catalyst is not only determined by the halogenation temperature, but more importantly, the speed and amount of halo...

Claims

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Application Information

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IPC IPC(8): C08F112/08C08F2/01B01J4/02
Inventor 刘文飞张勇毛进池
Owner KAIRUI ENVIRONMENTAL PROTECTION TECH
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