Evaporator

Details Evaporator Evaporator

1979-06-08

1981-03-17

Yudkoff, Norman

Concentrating evaporators

Gaseous blast or current

159 27R, 159 17R, B01D 106

Patent

active

042565367

ABSTRACT:
An evaporator including a shell, upper and lower pulp chambers, and a heating chamber disposed therebetween, the chambers being formed by upper and lower transverse tube sheets mounted in the shell. Rigidly connected to said tube sheets are vertical tube members for heating liquor to be evaporated circulating therethrough. In the upper pulp chamber, mounted on the central portion of the upper transverse tube sheet is a boiling chamber of the liquor to be evaporated. The upper and lower pulp chambers and the boiling chamber are divided by upper and lower vertical partitions into twin sections. The twin sections of the lower pulp chamber are provided with connections for feeding the liquor to be evaporated, which are connected to a switch via a common pipeline. The twin sections of the upper pulp chamber are provided with connections for removal of the pulp, which are also connected to a switch via a common pipeline, whereas the twin sections of the boiling chamber are connected via a common pipeline to a connection for removal of non-condensable gases and to a self-evaporator of a connection for removal of condensate of the heating medium to be delivered into the heating chamber.

REFERENCES:
patent: 984754 (1911-02-01), Eijdman
patent: 2676651 (1954-04-01), Lavigne

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