Apparatus and method for transferring solids

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

B - Operations, Transporting

01

J

23/420

B01J 8/08 (2006.01) B01J 8/00 (2006.01)

Patent

CA 1169233

ABSTRACT OF THE DISCLOSURE 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 low voidage. In use, particles falling neat the centre of the primary loading tube are entrained and separated by gas emerging from the Coanda nozzle and have a high velocity imparted to them.

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