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2 111 788

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IPC

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Application

95118995/25, 1995-11-09

(22)

Actual filing date

1995-11-09

(45)

Published

1998-05-27

(72)

Inventor

Shishkin Z.A.Samsonov V.V.Kharitonov V.I.Mubarakov R.G.Kuznetsov A.M.Perevalov A.F.Medvedev Ju.I.

(73)

Holder

Aktsionernoe ObshchestvoAktsionernoe Obshchestvo Nauchno-Issledovatel'Skij I Konstruktorskij Institut Khimicheskogo Mashinostroenija"

METHOD FOR CONTROL OF OPERATION OF REACTOR OF DIRECT CHLORINATION OF ETHYLENE IN MEDIUM OF LIQUID DICHLOROETHANE Russian patent published in 1998 - IPC

Abstract RU 2111788 C1

FIELD: automatic control of technological process of production of dichloroethane in column reactors. SUBSTANCE: heat formed in reaction zone is abstracted due to evaporation of boiling dichloroethane and its vapors are withdrawn. The method also includes measurement of consumption of ethylene and its regulation in preset relation to chlorine consumption; measurement of level height of liquid returning dichloroethane in reactor; measurement of temperature of medium at the upper calculated level of reaction zone; measurement of the preset level located above reaction zone of absolute pressure of medium and its value is used for determination of corresponding maximum permissible boiling temperature of dichloroethane and it is compared with medium temperature measured at upper calculated level of reaction zone. When medium temperature measured at upper calculated level of reaction zone is larger or less than maximum permissible temperature of boiling dichloroethane, preset value of chlorine consumption is automatically reduced or increased up to moment when the values of these temperatures become equal to each other. EFFECT: higher efficiency. 3 dwg

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RU 2 111 788 C1

Authors

Shishkin Z.A.

Samsonov V.V.

Kharitonov V.I.

Mubarakov R.G.

Kuznetsov A.M.

Perevalov A.F.

Medvedev Ju.I.

Dates

1998-05-27—Published

1995-11-09—Filed