Agitating – Mortar mixer type – With gas incorporating; fluid mixing – delivering – or conveying
Patent
1988-09-13
1990-01-30
Hornsby, Harvey C.
Agitating
Mortar mixer type
With gas incorporating; fluid mixing, delivering, or conveying
7386385, 366 28, 366 38, 366 50, 366107, 366136, 366140, 406 56, B01F 1302, B28C 506
Patent
active
048969680
ABSTRACT:
A dry bulk cement storage and mixing system comprises one or more generally cylindrical storage tanks or bins having somewhat wedge shaped bottom discharge sections with tapered flight conveyor screws extending across the diameter of the bin at the convergence of opposed sloping sidewalls of the bottom section. The conveyor screw is connected to a pneumatic fluidizing plenum wherein compressed air is introduced into the plenum for conveying material to a mixer or recirculating the material back into a selected storage tank through a distributor device mounted on top of the tank which distributes the material to minimize segregation of smaller or less dense particles during discharge of the material into the storage tank. One embodiment of the storage tank is mounted for rotation about a generally horizontal axis and includes a transversely extending cement unloading and vent conduit extending within the tank chamber. Cement stored within a tank may be sampled by a device which includes an elongated tube extending through a sealable fitting for withdrawing samples of material for analysis of the material mixture within the tank.
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Atlantic Richfield Company
Gerrity Stephen F.
Hornsby Harvey C.
Martin Michael E.
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