Metal pickling bath tank

Details Metal pickling bath tank Metal pickling bath tank

1988-08-12

1990-02-20

Stinson, Frankie L.

Cleaning and liquid contact with solids

Apparatus

Sequential work treating receptacles or stations with means...

134122R, 134108, 134201, B08B 310

Patent

active

049017446

ABSTRACT:
A system for the chemical cleaning of metal, for example, the acid pickling of steel, includes one or more tanks containing a corrosive liquid bath in which the liquid is flowed rapidly relative to the metal and held at a temperature in excess of 180.degree. F. The tanks comprise an outer metal shell whose internal wall is protected by a layer of a rubber-like material. In one embodiment the rubber-like layer is protected from the hot corrosive liquid by panels of fiberglass reinforced plastic (FRP) which are overlapped in a shingle pattern. In another embodiment, an inner tub (tank) of FRP floats on a layer of water which is held between the inner FRP tub and the layer of rubber-like material which covers an outer metal shell.

REFERENCES:
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patent: 2849784 (1958-09-01), Adams
patent: 3095463 (1963-06-01), Chang et al.
patent: 4453875 (1984-06-01), Johnson et al.
patent: 4604157 (1986-08-01), Damirion et al.
patent: 4763677 (1988-08-01), Miller

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