Brushing – scrubbing – and general cleaning – Attachments – Tank cleaners
Patent
1983-01-27
1984-10-23
Fisher, Richard V.
Brushing, scrubbing, and general cleaning
Attachments
Tank cleaners
15 17, 134104, 210232, 210525, B01D 2124, F22B 3748
Patent
active
044779399
ABSTRACT:
A portable removable sludge cleaner for tanks is provided in two sections, one of which rests on top of the tank and has a travelling bridge from which is suspended the second section. This second section is a suction head carrying frame unit deposited into one end of the tank with the aid of a crane or overhead pulley. The travelling bridge section is then deposited on top of the tank by the crane or pulley. The bridge is centered for balance during the mounting operation and after depositing on the tank, the bridge is moved over the suction head unit previously deposited in the end of the tank. Ramp hitches on the bridge then engage support pins on the head unit lifting its front end off of the bottom of the tank. Pipe couplings on the rear end of the unit are then connected to counterparts depending from the bridge to lift the rear end of the unit off of the tank bottom. The bridge travels on tracks provided by the frame and is propelled by a drive screw to traverse the length of the tank. Four suction heads on the bottom of the header unit are connected by individual pipes and valves to a suction pump on the bridge to be selectively evacuated to sweep sludge from the bottom of the tank for discharge over the side of the tank from the pump. The heads are positioned to each clean a quadrant of the tank bottom.
REFERENCES:
patent: 2307107 (1943-01-01), Bryson
patent: 2670080 (1954-02-01), Scott
patent: 3337057 (1967-08-01), Bolton
patent: 3627668 (1971-12-01), Wethly
patent: 3691858 (1972-09-01), Wilke
patent: 4144174 (1979-03-01), Graham et al.
patent: 4193871 (1980-03-01), White et al.
patent: 4257900 (1981-03-01), White et al.
Doncer Alex J.
White Harold R.
Alar Engineering Corporation
Czaja John W.
Fisher Richard V.
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