CERAMIC FILTERING ELEMENT AND METHOD OF THE PRODUCTION THEREOF

WIPO Patent Application WO/2003/074151

A1

The invention relates to filtering devices, in particular to the structural design of the filtering elements of disc ceramic filters and to methods for the production thereof. In order to increase the performance and the strength of a device, the inventive ceramic filtering element comprises a hollow block made of porous ceramic material whose inside elements are arranged in rows and offset along the arcs of a concentric circle and form with walls (4) a hollow volume (3). The ratio of the radius of the transition line between walls inside the hollow block (1) in the bottom part (6) of a sector element with respect to the radius of said interface line in the top part thereof rages from 0.5 to 0.75. An outlet fitting (7) is connected to the hollow block (1) with the aid of a screw joint provided with a seal (8). The inventive method for producing a ceramic filtering element consists in producing the replication thereof of a mixture of paraffin hydrocarbons, forming a porous blank by compaction and using vibration load, and, in order to protect environment, in removing the material of said replication at a temperature below the inflammability point of paraffin hydrocarbons.

KRASNY BORIS LAZAREVICH (RU)
KISLYAKOV ANDREY NIKOLAEVICH (RU)
BELOUS KONSTANTIN PETROVICH (RU)

PCT/RU2002/000510

September 12, 2003

November 26, 2002

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ZAKRYTOE AKTSIONERNOE OBSCHEST (RU)
KRASNY BORIS LAZAREVICH (RU)
KISLYAKOV ANDREY NIKOLAEVICH (RU)
BELOUS KONSTANTIN PETROVICH (RU)

B01D33/23; B01D39/20; C04B38/06; (IPC1-7): B01D33/23; B01D39/20; C04B38/00

WO1988006480A1

1988-09-07

DE4330163A1	1995-03-16
FR2677266A1	1992-12-11
EP0354721A2	1990-02-14
US4629483A	1986-12-16

Bagyan, Levon Georgievich (RU)

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