Tank for cleaning and chemical treatment of boiler feedwater

Details Tank for cleaning and chemical treatment of boiler feedwater Tank for cleaning and chemical treatment of boiler feedwater

1979-05-04

1980-10-28

Lander, Ferris H.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

210109, 210176, 210198R, 210220, 210332, 210336, 210458, 210519, 210525, 210532R, 210533, 134109, 122401, B01D 3500

Patent

active

042305772

ABSTRACT:
A boiler feedwater conditioning tank for removing mud, iron and any other settleable solids from boiler feedwater and adding soluble chemicals to the same, wherein the feedwater is mixed and heated by passing the mixture down and around and up into and through a system of concentric open-ended standpipes erected within the tank. The outlet for clean feedwater lies at the top of the tank inside the upper end of the inner standpipe, and the inlets for the same lie distributively around the outside of the outer standpipe at the bottom thereof. The input port for chemicals lies in the tank side walls and steam heating coils lie between the outer standpipe and the wall of the tank in the path of convective flow of feedwater up between the same.

REFERENCES:
patent: 2057883 (1936-10-01), Dehn
patent: 4144172 (1979-03-01), Bennecke et al.

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