Method for heating a viscous polyethylene solution

Details Method for heating a viscous polyethylene solution Method for heating a viscous polyethylene solution

1990-06-07

1991-08-06

Ford, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

528484, 528481, 528503, 159 21, 159 261, 159 471, 165 39, 165140, 165145, 165158, C08F 600, B01D 306

Patent

active

050379550

ABSTRACT:
The invention disclosed herein is a single-pass, horizontal heat exchanger, of the shell and tube type, which is designed for preheating of a viscous material, such as the reactor effluent of a polyethylene solution. The heat exchanger is made in three sections, each of which can be heated independently with a heating fluid, so that a temperature profile can be easily maintained along the entire length of the exchanger. Also, each section can be removed from the exchanger unit independently of the other sections, for cleaning, if the section becomes plugged.

REFERENCES:
patent: 4126743 (1978-11-01), Shiomura et al.
patent: 4153501 (1979-05-01), Fink et al.
patent: 4808262 (1989-02-01), Aneja et al.
patent: 4906329 (1990-03-01), Tominari et al.
patent: 4942223 (1990-07-01), Takao et al.

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