DEVICE FOR LIMITATION OR ELIMINATION OF PARTICLE MOVEMENT BETWEEN TWO LAYERS Russian patent published in 2022 - IPC B01J8/04 B01D53/04 

FIELD: separation.

SUBSTANCE: invention relates to a device intended for placement between a lower layer and an upper layer of particles located inside a cylindrical shell for limitation or prevention of particle movement between layers, which can be used in a reactor, adsorber, or in any storage container, in which it is needed that different particle layers are perfectly separated, while leaving the possibility for free circulation of fluid. The device contains: i) sealing membrane consisting of fabric or mesh, and it has: a diameter essentially equal to an inner diameter of the cylindrical shell and cell, an equivalent diameter of which is less than an equivalent diameter of particles, and ii) ring of fabric, having: cells, the equivalent diameter of which is less than the equivalent diameter of particles; a length equal to an inner perimeter of a base of the cylindrical shell; an upper part with an upper end intended for the attachment along its entire length to an inner wall of the cylindrical shell, and a lower part intended for the placement on the lower layer of particles or on sealing membrane, while sealing membrane and the lower part of the cell ring are located one on top of other, and an overlap zone between membrane and the ring of fabric is less than 150 millimeters.

EFFECT: invention provides for the provision of improved means of limitation or prevention of particle movement between at least two layers of different materials in the form of particles, in which different layers of particles are perfectly separated with the possibility of free circulation of fluid.

15 cl, 3 dwg