초록 ▼

The invention concerns a filter construction in particular for suction driers. The filter construction comprises a first filter material layer (1) of a ceramic material, which is the first layer in relation to the flowing liquid, and a second filter material layer (2) of a ceramic material, connecte

The invention concerns a filter construction in particular for suction driers. The filter construction comprises a first filter material layer (1) of a ceramic material, which is the first layer in relation to the flowing liquid, and a second filter material layer (2) of a ceramic material, connected with said first layer. The first filter material layer (1) acts as the filtering layer proper, and the second filter material layer (2) acts as a layer that supports the construction. The invention also concerns a method for the formation of the filter construction.

대표청구항 ▼

Filter construction, comprising a first filter material layer (1) of a ceramic material, which is a first layer in relation to flowing liquid, a second filter material layer (2) of a ceramic material, connected with said first layer (1), said first filter material layer (1) having a pore size in the

Filter construction, comprising a first filter material layer (1) of a ceramic material, which is a first layer in relation to flowing liquid, a second filter material layer (2) of a ceramic material, connected with said first layer (1), said first filter material layer (1) having a pore size in the range of about 1 to 3 microns, and acting as a filtering layer proper relative to the flowing liquid, said second filter material layer (2) having a pore size within the range of about 4 to 50 microns, and acting as a layer supporting the construction and in said filter construction, material to be filtered initially contacts said first filter material layer (1) and is hydraulically connected to said flowing liquid, wherein said first filter material layer (1) has the following composition: ________________________________ -Alumina 30 to 50% Alumina Hydride 5 to 15% Talcum 20 to 30% Clay 20 to 30% Polyacrylate, dispersing agent 1 to 5 ml/kg dry matter Water 20 to 30% ________________________________ and said second filter material layer (2), has the following composition: ________________________________ -Alumina 50 to 60% Alumina Hydride 3 to 7% Clay 10 to 15% Kaolin 18 to 25% Calcium carbonate 1 to 5% Polyacrylate, dispersing agent 0.5 . . . 4 ml/kg dry matter Water 19 to 25%. ________________________________