Apparatus and method for transferring solids

Details Apparatus and method for transferring solids Apparatus and method for transferring solids

1982-03-05

1985-01-08

Nase, Jeffrey V.

Conveyors: fluid current

Intake to fluid current conveyor

Upstream of suction source

406154, 406108, 2394245, 414293, 415DIG1, B65G 5314

Patent

active

044924976

ABSTRACT:
Apparatus for transferring solid particles to a receptacle comprises a primary loading tube (2) containing at its lower end an annular gas supply chamber (3) coaxially aligned within it. The innermost surface of the annular chamber (3) forms a secondary loading tube (6) which has a Coanda surface (12) at its lower end. A slot (11) is provided between the innermost surface of the gas supply chamber (3) and the Coanda surface (12) to form a Coanda nozzle.
The apparatus is particularly suitable for use in loading catalyst to a reactor and achieving a high packing density with a low voidage.
In use, particles falling near the center of the primary loading tube are entrained and separated by gas emerging from the Coanda nozzle and have a high velocity imparted to them.

REFERENCES:
patent: 3123285 (1964-03-01), Lee
patent: 3795367 (1974-03-01), Mocarski
patent: 4037991 (1977-07-01), Taylor

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