Wet blasting machine with automatic control system for slurry co

Details Wet blasting machine with automatic control system for slurry co Wet blasting machine with automatic control system for slurry co

1986-01-03

1987-06-02

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51410, 51437, 51319, 73 32R, B24C 300, B24C 700

Patent

active

046692304

ABSTRACT:
A wet blasting machine having a blasting apparatus wherein slurry is supplied from a main hopper through a supply conduit to a blasting gun. Slurry can be bled from the supply conduit through a control valve into a vessel for collecting a predetermined volume of slurry. The weight of the vessel is measured to generate a first signal which represents the slurry weight, and hence the slurry concentration. The first signal is compared to a second preset signal which represents the desired slurry concentration. If the second signal indicates that the slurry concentration in the main hopper is less than the desired magnitude, then the comparator emits an output signal which activates a supply device for adding additional media to the main hopper. The supply device preferably includes a mixing hopper to which both dry media and slurry from the main hopper are initially fed and mixed, prior to the enriched slurry then being fed into the main hopper.

REFERENCES:
patent: 2463159 (1949-03-01), Dietert
patent: 4319435 (1982-03-01), Suzuki
patent: 4330968 (1982-05-01), Kobayashi
patent: 4517774 (1985-05-01), Pudding
patent: 4614100 (1986-09-01), Green

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