Device for preparing isocyanate by pyrolyzing aminoalkyl esters

Device for preparing isocyanate by pyrolyzing aminoalkyl esters

The invention belongs to the technical field of organic chemical industry production, and relates to a device for preparing isocyanate by pyrolyzing aminoalkyl esters. A major structure comprises a pyrolysis reaction kettle, three tower columns, two H distilling heads and three receiving pots; the t...

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Hauptverfasser: DING YU, WANG LI, GUAN XIANWEN, ZHANG YONGFU, ZHAO ZHANRU, PAN YUE
Format: Patent
Sprache:chi ; eng
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator DING YU
WANG LI
GUAN XIANWEN
ZHANG YONGFU
ZHAO ZHANRU
PAN YUE
description The invention belongs to the technical field of organic chemical industry production, and relates to a device for preparing isocyanate by pyrolyzing aminoalkyl esters. A major structure comprises a pyrolysis reaction kettle, three tower columns, two H distilling heads and three receiving pots; the top part of the pyrolysis reaction kettle is communicated with the bottom of sieve plate tower columns by a tower body support; the top part of a lower sieve plate tower column is communicated with the bottom of an oblique H distilling head; the top part of the oblique H distilling head is connectedwith the bottom of a middle packing tower column; an outlet of the oblique H distilling head is respectively communicated with a product receiving pot; the top end of the middle packing tower column is communicated with the bottom end of a horizontal H distilling head; the top part of the horizontal H distilling head is communicated with the bottom of an upper packing tower column; an outlet of the horizontal H distilling
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title Device for preparing isocyanate by pyrolyzing aminoalkyl esters
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