JP2681404B2 - Honeycomb gas filter - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a honeycomb-shaped gas filter that is made of a honeycomb-shaped laminated body and allows air or other gas to pass through a large number of small through holes to trap and remove suspended matter in the gas. It depends on.

2. Description of the Related Art Conventional Techniques and Problems Thereof Conventionally, a method of filtering with a filter medium such as paper or cloth has been used to remove dust in gas such as air. In this method, dust is filtered and separated by passing gas through a filter medium, and the fluid resistance due to gas passage is extremely large.

Means for Solving the Problems The present invention solves the above problems, and is capable of removing dust by simply passing the gas through the small through holes without passing the gas through the filter medium, A fluffy sheet is laminated in a honeycomb shape to obtain a gas filter having a large number of small through holes, and the processing fluid only passes through the fluffy small through holes of the gas filter to remove dust in the fluid from the fluff through the small holes. And can be attached to and removed from the wall surface, and in particular, by charging the sheet with static electricity, fine particles in the fluid such as
Even ultra-fine particles of about 0.1-0.3μ can be attached to the fluff and wall surface of small pores to collect dust.

In order to obtain a honeycomb-shaped laminated body, flat sheets and corrugated sheets are alternately stacked, and the corrugated sheets are bonded and formed at the wave crests.

In the case of adhesion, the portion to which the adhesive is applied does not have fluffing and the desired performance cannot be exhibited. Therefore, the adhesive application area is reduced by the method of applying the adhesive intermittently.

If paper or cloth containing thermoplastic fiber as the main component is used as the sheet material, flat sheets and corrugated sheets are alternately stacked, and the end faces without small through holes are heated to melt the end faces of each sheet. By wearing the honeycomb-shaped gas filter, a honeycomb-shaped gas filter having a shape-retaining property can be obtained. Hereinafter, embodiments will be described in detail with reference to the drawings.

Example 1 A fluffy flat paper 1 made of an electrostatically charged material and a corrugated paper 2 are bonded to each other at a wave ridge of the corrugated paper 2 as shown in FIGS. This is a honeycomb-shaped gas filter in which the single-sided wave forming body 3 is cut into a quadrilateral shape, a large number of them are laminated by adhering them in the same wave direction, and a plane paper 1a is adhered to the uppermost portion. Wave wavelength is 2.0-8.0
mm, average height is 0.5 to 4.0 mm, fluff length is 0.3 to 3.5 mm,
The standard size of fluff is 2 to 30 μm.

Example 2 A corrugated ridge line of a corrugated paper 2 as shown in FIG. 2 and FIG. 3 is a statically fluffy flat paper 1 and corrugated paper 2 which are mainly composed of a thermoplastic fiber such as polypropylene, polyethylene, nylon and vinylon. To form a single wave molded body,
As shown in FIG. 4, the single-sided molded body is cut into a quadrangle, the wave directions are aligned and a large number of them are laminated by adhesion, and a plane paper 1a is adhered to the top to form a block, and the small through holes 4 are not shown. End face 5
And the hot plate 6,6 kept at 100 to 180 ° C. is applied to the opposite end face for 5 to 60 seconds to fuse the end faces of the paper appearing on both end faces as shown in FIG. 7 is formed to obtain a honeycomb-shaped gas filter having shape retention.

Example 3 A flat sheet 1 and a corrugated sheet 2 made of a non-woven fabric having thermoplastic fibers as a main component and electrostatically charged and fluffed on both sides were adhered to each other at the ridge line of the corrugated sheet 2 as shown in FIGS. 2 and 3. The single-sided wave-formed body 3 is fused and cut, and the single-sided wave-formed body 3 is cut into quadrilaterals as shown in FIG. 4 so that the wave directions are aligned and stacked without adhering, and the flat sheet 1a is placed on the top. The non-woven fabrics, which are stacked and exposed on both end faces as shown in FIG. 5, by applying hot plates 6, 6 kept at 100 to 180 ° C. to the end face 5 where the small through holes 4 are not exposed and the opposite end face for 5 to 60 seconds The end faces are fused to form the fused portions 7, 7 to obtain a honeycomb-shaped gas filter having shape retention.

In the case of adhering the flat sheet and the corrugated sheet in the case of obtaining the single-sided molded body in each of the above Examples and the adhesive lamination of the single-sided wave formed bodies in Examples 1 and 2, the adhesive is applied only to the wave crests of the corrugated sheet. Adhesive is applied intermittently so that it adheres. Further, in Example 3, the same is true even if the flat sheet and the corrugated sheet are alternately stacked without going through the step of manufacturing the single-sided molded body.

Effect of the Invention In the honeycomb-shaped gas filter of the first invention, fine particles such as dust floating in the air or other gas are trapped on the fluff and wall of the small through hole by passing air or other gas through the small through hole. Reach the purpose of filtration. In the method for manufacturing the honeycomb-shaped gas filter according to the second aspect of the invention, since paper or cloth containing thermoplastic fibers as a main component is used as a material, flat sheets and corrugated sheets are alternately stacked to show small through holes. By heating the end faces which are not present by an appropriate means such as a hot plate, it is possible to obtain a honeycomb-shaped gas filter comprising a laminated body in which the end faces of the sheet are heat-sealed to each other and have shape retention.

EFFECTS OF THE INVENTION The honeycomb-shaped gas filter of the first invention can remove dust contained in the gas by simply passing air or other gas into the small through-holes, and has extremely low passage resistance and can be used with high efficiency. In particular, since it is manufactured by using a charged sheet as a sheet material, it has an effect that it can be used with high efficiency as an electrostatic filter and can remove even fine particles.

In the method for manufacturing the honeycomb-shaped gas filter of the second invention, since paper or cloth containing thermoplastic fibers as a main component is used as the sheet material, flat sheets and corrugated sheets are alternately laminated to form small perforations. By heating a single surface that does not appear by a suitable means such as a hot plate, a fusion layer is formed on the end surface reliably and in a very short time without any special device or technique, and a laminate having shape retention property. It is possible to obtain a honeycomb-shaped gas filter consisting of a body, and even when stacking sheets, the product can be obtained even if the amount of the adhesive used is extremely reduced, and the action is hindered by the adhesion of the adhesive. This has the effect of reducing the surface area of the sheet portion and increasing the effective surface area.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention, FIG. 1 is a perspective view of a honeycomb-shaped gas filter of the first invention, FIG. 2 is a perspective view of a single-sided molded body, FIG. 3 is an enlarged sectional view of the same, and FIG. FIG. 5 is a perspective view showing an intermediate step of the second invention, and FIG. 5 is a perspective view of a honeycomb-shaped gas filter obtained by the second invention. In the figure, 1 is a flat sheet, 2 is a corrugated sheet, 3 is a single wave molded body, 4 is a small through hole, 6 is a hot plate, and 7 is a fused portion.

Continuation of the front page (56) References JP 62-59767 (JP, A) JP 60-232223 (JP, A) Actual opening 61-67819 (JP, U) Actual opening 48-94479 (JP , U) Actual Kai 48-00655 (JP, U) Japanese Patent Sho 36-20176 (JP, B1) Actual Sho 46-13648 (JP, Y1)

Claims (2)

(57) [Claims] 1. A laminate having a large number of small through-holes, which are formed by adhering an electrostatically fluffy corrugated sheet and a planar sheet at ridge lines of the corrugated sheet to which an adhesive is applied intermittently, and alternately laminating the corrugated sheet. A honeycomb-shaped gas filter configured to allow gas to pass through the large number of small holes in the body. 2. A fluffy corrugated sheet mainly composed of electrostatically charged thermoplastic fibers and a flat sheet are adhered to each other at ridge lines of the corrugated sheet to which an adhesive is applied intermittently and stacked alternately. In this way, a laminated body having a plurality of small through holes is formed, and the end faces of the corrugated sheet and the planar sheet that constitute the laminated body are heated so that the end faces where the small through holes do not appear are heated. A method for manufacturing a honeycomb-shaped gas filter, characterized in that the edges are fused together to form a fused portion.