SU1754158A1 - Method for manufacture of cartridge filter element - Google Patents

Abstract

Usage: microfiltration in the chemical, microbiological, medical, pharmaceutical, food and other industries. SUMMARY OF THE INVENTION: A method of manufacturing a cartridge filter element includes forming a package blank comprising filtering material placed between layers of structural materials that are welded to each other along seams that are spaced apart from each other by the height of the blank, and at the same time cutting sealing the longitudinal seam and ends of the filter. 1 il.

Description

The invention relates to microfiltration and can be used in the chemical, microbiological, medical, pharmaceutical and other industries in the purification of liquid media from foreign matter.

Closest to the present invention is a method of manufacturing a cartridge filter element, comprising crimping a bag containing a filter membrane placed between layers of structural materials, forming blanks of the corrugated bag, sealing a longitudinal seam and filter ends.

The known method has drawbacks: the need to form the ends of the corrugated billet before sealing the ends of the filter, resulting in a bending of the membrane located between the structural materials, and its uneven distribution, which leads to

a deterioration in the quality of the end surfaces and the resulting filtrate.

The purpose of the invention is to provide reliable sealing of the end face of the filter to improve the quality of the filtrate while reducing material costs.

The goal is achieved by the fact that in the method of manufacturing a cartridge filter element, including corrugating a bag containing filter material placed between layers of structural materials, and sealing the longitudinal filter seam before corrugation, the filter and structural materials are welded to each other by seams the height of the workpiece, and at the same time cut in the middle of the seams obtained.

The drawing shows an embodiment of a method for manufacturing a cartridge filter element.

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The method is carried out as follows.

The package of materials 1, consisting of two supporting nets made of polypropylene or polyamide, between which one or two layers of filter material are located, for example, thermally bonded polyester fabric, is welded to each other using a high-frequency roller device 2 along seams 3 5 mm wide one from the other to the height of the blank of the filter element, and at the same time cutting the stack with mills 4 into strips 5 along the middle of the welds. The obtained strips are crimped on a corrugating device 6. The longitudinal seam is sealed by welding on a thermo-pulse machine. The sealing of the ends of the filter is carried out with a sealant in special forms.

Claims (1)

The use of the proposed method of manufacturing a cartridge corrugated filter element eliminates the disadvantages that occur in the known methods of manufacturing filter elements, and has the following advantages: when welding filter material and construction materials, the possibility of uneven distribution of filter material between construction materials is eliminated; when cutting does not bend the filter material and the ingress of mechanical particles and dust on the filter material; stiffness increases; improved end surface and filtrate quality; there is no need to edit the corrugated blanks after the corrugated bags; Waste materials used to produce filters are excluded. Claims of the invention A method of manufacturing a cartridge filter element comprising corrugating a bag containing filter material interposed between the layers of structural materials, sealing a longitudinal seam and filter ends, in order to ensure reliability sealing the ends of the filter to improve the quality of the filter while reducing material costs; before corrugating the filtering and construction materials are welded a row seams and cutting is performed in the middle of the seams, and the distance between the seams is the height of the workpiece.