Device for washing off the inner surface of a reaction vessel an

Details Device for washing off the inner surface of a reaction vessel an Device for washing off the inner surface of a reaction vessel an

1988-12-23

1990-04-03

Coe, Philip R.

Cleaning and liquid contact with solids

Apparatus

With alarm, signal, indicating, testing, inspecting,...

15302, 134166R, 134182, 134198, 141 59, 141 91, 141 96, 239124, 422 99, B08B 304, B08B 908

Patent

active

049131796

ABSTRACT:
The present invention provides a device for washing off the inner surface of a reaction vessel and/or of the outer surface of at least one spherodial reagent body present in the reaction vessel, the device comprising a small tube (6) connectable to a washing liquid suction device having a suction opening (2) and being pressable by means of a spring (4) in the direction of the bottom of the reaction vessel, a mantle (8) radially surrounding the small tube (6) at an axial distance from its suction opening (2), which mantle bounds between its inner surface and the outer surface of the small tube (6) a washing liquid inlet canal (10) connectable to a washing liquid supply device, holes (12) being provided in an end section of the mantle (8) facing the suction opening (2) for the exit of the washing liquid and two electrodes (14,16) arranged outside the mantle (8) at a distance from one another, axially further remote from the suction opening (2) than the holes (12) in the mantle (8), the electrodes (14,16) being connectable to an electric liquid level sensor, wherein the inner surface (18) of the suction opening (2) is funnel-shaped.

REFERENCES:
patent: 3912535 (1975-10-01), Rauser
patent: 3949771 (1976-04-01), Dodge et al.
patent: 4341568 (1982-07-01), Christensen
patent: 4506709 (1985-03-01), Dennhardt
patent: 4530384 (1985-07-01), Boyes
patent: 4685480 (1987-08-01), Eck
patent: 4749010 (1988-06-01), Petell

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