Chemical drum feeding and flushing system

Details Chemical drum feeding and flushing system Chemical drum feeding and flushing system

1981-07-13

1983-06-07

Bell, Jr., Houston S.

Fluent material handling, with receiver or receiver coacting mea

Evacuation apparatus

141 85, 134166R, 134167R, 134168R, 137888, 222 49, 222148, 222192, B67C 900, B67C 106

Patent

active

043866379

ABSTRACT:
An apparatus for safely slug feeding hazardous chemicals from conventional 55 gallon drums comprising a calibrated dip tube adapted to be moved in an up and down liquid-tight relationship through a first bung hole of the drum, a feed line adapted to remove liquid through the calibrated dip tube, check valve means adapted to prevent the flow of liquid into the drum, vacuum-producing means adapted to withdraw fluid from the drum through the dip tube, feed line, and check valve, and cleaning means adapted to be partially positioned within the drum through a second bung opening, said cleaning means including a spray nozzle positioned within the drum and air ventilation means outside of the drum, said spray means being adapted to receive a source of cleaning fluid under pressure. The dip tube may be fitted with a means for preventing its upward movement.

REFERENCES:
patent: 818481 (1906-04-01), Spencer
patent: 1642920 (1927-09-01), Cooper
patent: 1795763 (1931-03-01), Cramer et al.
patent: 2039275 (1936-04-01), McGrael
patent: 2562415 (1951-07-01), Chase
patent: 2679851 (1954-06-01), Schira
patent: 4187957 (1980-02-01), Butler
patent: 4285445 (1981-08-01), Molen et al.

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