KR200446600Y1 - Filter cage for dust collector and filter bag assembly comprising the same - Google Patents

Abstract

The present invention relates to a filter cage for a dust collector applied to the dust collector and a filter bag assembly including the same, and more particularly, a filter bag for dust collection and dust extraction, a lower plate having a through hole formed therein to support the filter bag, An upper support plate disposed above the lower plate, an outer support frame extending upwardly from the lower plate, and an inner support frame disposed inside the outer support frame and extending upward from the lower plate and coupled to the upper plate; To a filter bag assembly comprising a filter cage. According to the present invention, the filter bag includes an outer side portion supported by the outer support frame and an inner side portion supported by the inner support frame, so that the dust collection and dust extraction area is greatly increased, and the inner support frame is disposed inside the outer support frame. An increase in the installation area of the filter bag assembly can be avoided.

Filter bag assembly, filter cage, outer support frame, inner support frame

Description

Filter cage for dust collector and filter bag assembly including same {FILTER CAGE FOR DUST COLLECTOR AND FILTER BAG ASSEMBLY HAVING THE SAME}

The present invention relates to a filter cage for a dust collector applied to a dust collector and a filter bag assembly including the same, and more particularly, to a filter cage for a dust collector and a filter bag assembly including the same that can increase dust collection efficiency.

In general, dust collectors are used to prevent environmental pollution caused by exhaust gases, fine dust, and industrial wastes produced during manufacturing or processing in manufacturing plants such as cement, textile, chemical, and metal processing plants. .

At this time, the dust collecting capacity, size, and weight of the filtration method by the filter bag is determined by the filter bag embedded therein, and the filter bags are generally formed in a cylindrical shape having a smooth outer circumferential surface, and a plurality of them are built in the dust collector, and desired filtering efficiency Depending on the number of built-in filter bags will vary.

However, as the number of filter bags increases, the size of the dust collector is not only larger but also requires the corresponding facility area. Therefore, in the same size filter bag, a pleated filter bag that increases the surface area of the outer circumference to improve its filtering efficiency is required. Proposed.

Although the pleated filter bag has a wider filterable surface area than the filter bag having a smooth surface with no wrinkles, the filter efficiency is increased, but the pleated filter bag is used in the material of the filter cloth used. Therefore, since it is very cumbersome to form a pleat or maintain the formed pleats continuously, only a specific material such as polyester is used, and thus there is a disadvantage in that a dust collecting object or a place where a filter bag can be used is limited. For example, polyester is very weak in alkalinity, so it is difficult to use in a place where alkaline dust is discharged. In addition, the dust caught between the wrinkles does not easily fall off during dusting can reduce the dust collection efficiency.

Due to the above problems of the pleated filter bag, a filter bag for a dust collector that can increase the surface area that can be filtered without forming a pleat in the filter bag is disclosed in Korean Patent No. 10-0790334.

The filter bag for the dust collector includes an outer filter cloth 33 and an inner filter cloth 34, and the inner filter cloth 34 is provided in a cone shape in which the diameter thereof is reduced upward.

Accordingly, the surface area that can be filtered by the inner filter cloth 34 increases, but the inner filter cloth 34 is disposed inside the outer filter cloth 33 and does not require a separate installation space.

However, in the above-described filter bag for dust collector, only the outer filter cloth 33 is supported by the filter cage 31, and the inner filter cloth 34 is not supported by its support structure such as the filter cage 31, When dust is collected to remove dust or the like attached to the outside of the filter cloth, deformation of the internal filter cloth 34 having a cone shape may occur, and local breakage of the internal filter cloth 34 may occur.

In addition, since the inside is inclined by the cone shape of the internal filter cloth 34 during exhaustion, there is a disadvantage in that the air pressure inside the filter bag is not uniform as a whole and the exhaustion becomes uneven.

In addition, there is a problem that the dust is fixed to the lower portion of the inner filter cloth of the cone-shaped deterioration filtration efficiency, in particular, when the dust containing organic matter is fixed to the lower portion of the inner filter cloth (34) Problems may arise.

In order to solve the above problems, the present invention, to increase the surface area of the filter cloth for filtering, to provide a filter cage for a dust collector and a filter bag assembly including the same, which does not need to provide a separate installation place It is done.

In addition, the present invention provides a filter cage for a dust collector that can support the filter bag as a whole, and a filter bag assembly including the same so as to prevent a part of the filter bag from being broken when being collected or dedusted, thereby preventing local breakage. It aims to do it.

Furthermore, an object of the present invention is to provide a filter cage for a dust collector and a filter bag assembly including the same, which can prevent dust exhaustion from being uneven because the air pressure inside the filter bag is not uniform.

In order to achieve the above object, the present invention, the lower plate is formed in the through-hole, the upper plate is disposed on the upper plate, the upper plate corresponding to the through-hole, is disposed along the edge of the lower plate, the lower plate A filter cage comprising an outer support frame extending upwardly from the lower support frame and an inner support frame disposed along the periphery of the through hole and extending upwardly from the lower plate and coupled to the upper plate; A bottom portion supported by the plate, extending upward along an edge of the bottom portion, an outer side portion supported by the outer support frame, an upper surface portion supported by the top plate, and extending between the upper portion and the bottom portion, Peel comprising an inner side portion supported by the inner support frame Provided is a filter bag assembly for a dust collector including a turb.

In the present invention, since the inner side portion of the filter bag is disposed inside the outer side portion and does not require a separate installation space for the inner side portion, the surface of the filter bag is increased to increase dust collection efficiency, but the installation area does not increase, and thus the dust collector It has the advantage of high space utilization.

In addition, since both the inner side portion and the outer side portion of the filter bag are supported by the filter cage, there is an advantage that a part of the filter bag is not supported at the time of dust collection or dust removal, thereby preventing the local breakage.

In addition, the inner side portion and the outer side portion are arranged side by side, the air pressure inside the filter bag acts as a whole as a whole, there is also an advantage that the exhaustion is uniform.

The filter bag assembly for the dust collector according to the present invention includes a lower plate having a through hole formed therein, an upper portion of the lower plate, an upper plate corresponding to the through hole, and arranged along an edge of the lower plate. A filter cage including an outer support frame extending upwardly from the inner side, and an inner support frame disposed along the periphery of the through hole and extending upwardly from the lower plate and coupled to the upper plate; A bottom portion corresponding to the bottom plate, supported by the bottom plate, extending upward along the edge of the bottom portion, and having an outer side portion supported by the outer support frame, an upper surface portion supported by the top plate, an upper surface portion and a bottom surface; It extends between the parts, characterized in that it comprises a filter bag comprising an inner side portion supported by the inner support frame.

In addition, the filter bag assembly for a dust collector according to the present invention is characterized in that it comprises a coupling member for coupling to each other through the upper plate and the upper surface.

In addition, the filter bag assembly for a dust collector according to the present invention is characterized in that it comprises a connecting frame for coupling the upper plate and the outer support frame.

On the other hand, the filter cage for supporting the filter bag to maintain the form of the filter bag for dust collection and dust extraction according to the present invention, the lower plate is formed with a through hole therein; An upper plate disposed above the lower plate; An outer support frame disposed along an edge of the lower plate and extending upwardly from the lower plate; It is disposed along the periphery of the through-hole, extending upwardly from the lower plate, characterized in that it comprises an inner support frame coupled to the upper plate.

In addition, the filter cage according to the present invention is characterized in that it comprises a coupling member for coupling the upper plate and the filter bag supported on the upper plate.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the filter bag assembly 10 for a dust collector according to an embodiment of the present invention. However, the following examples are provided to illustrate the present invention, but the scope of the present invention is not limited to the examples described below.

2 is an exploded perspective view showing a filter bag assembly 10 for a dust collector according to a preferred embodiment of the present invention.

As shown in FIG. 2, the filter bag assembly 10 for the dust collector according to the present embodiment includes a filter cage 100 including plates and frames for supporting the filter bag 200, and a filter for dust collection and dust extraction. And a bag 200.

The filter cage 100 includes a lower plate 110, an upper plate 120, an outer support frame 130, an inner support frame 140, and a connection frame 150.

The lower plate 110 has a predetermined area, the shape may be provided in the form of a polygon, such as square, trapezoid, rhombus, in the present embodiment is provided in a circular shape, the through-hole 112 is formed therein have. Like the lower plate 110, the through hole 112 may also be provided in a polygonal or circular shape, and the shape of the through hole 112 may be provided in the same shape as the lower plate 110 in the present embodiment, but in the case of Therefore, it may be provided in other forms.

The upper plate 120 is provided in a form corresponding to the shape of the through hole 112 of the lower plate 110, in the present embodiment is provided in a circle corresponding to the circular through hole 112, the upper plate 120 ) Diameter is provided as the inner diameter of the through-hole (112).

The outer support frame 130 is disposed in plural along the periphery of the lower plate, that is, the edge of the lower plate, and extends upwardly from the lower plate 110.

At this time, the outer support frame 130 of the present embodiment has a length substantially similar to the distance between the upper plate 120 and the lower plate, but in some cases it may be formed longer or shorter.

A plurality of inner support frame 140 is disposed along the periphery of the through-hole 112 in the inner side of the outer support frame 130, extending upward from the lower plate 110, coupled to the edge of the upper plate 120 do.

In this case, since the inner diameter of the through hole 112 and the diameter of the upper plate 120 are substantially the same, the outer support frame 130 and the inner support frame 140 may be arranged in parallel with each other. This is to allow the outer side portion 230 and the inner side portion 240 of the filter bag 200 to be described later to be arranged in parallel with each other, so that the filter bag 200 is uniform throughout the filter bag 200 when exhausted. Pneumatic pressure is applied, which can increase the dust removal efficiency.

In addition, the connecting frame 150 may weld both ends to the outer circumference of the upper plate 120 and the upper end of the outer support frame 130 to couple the upper plate 120 and the outer support frame 130 to each other.

In addition, the filter bag 200 for dust collection and dedusting includes a bottom portion 210, an outer side portion 230, an upper surface portion 220, and an inner side portion 240.

The bottom portion 210 is provided in a circular shape corresponding to the bottom plate 110, and is in close contact with the bottom surface of the bottom plate 110.

The outer side portion 230 extends upward along the edge of the bottom portion 210, that is, the outer circumference thereof, and is supported by the outer support frame 130 on the outside of the outer support frame 130.

The upper surface portion 220 is supported by the upper plate 120, the shape is provided in the same circle as the through-hole 112.

The inner side portion 240 extends between the upper surface portion 220 and the bottom surface portion 210 and is supported by the inner support frame 140 from the inside to the inner support frame 140.

On the other hand, the filter bag 200 of the present embodiment is the bottom portion 210, the outer side portion 230, the upper surface portion 220, the inner side portion 240 are interconnected, specifically, filter cloth or cloth, etc. The bottom portion 210, the outer side portion 230, the upper surface portion 220, and the inner side portion 240 of the filter bag 200 formed of a material using a stitch (stitch) or a separate adhesive, etc. Can be bonded.

The filter bag 200 may be fitted by being fitted under the filter cage 100, and the filter bag 200 coupled to the filter cage 100 may have one outer side portion 230 having a diameter of the bottom portion 210. Form a cylinder of the inner side portion 240 having a diameter of the upper surface portion 220 forms the other cylinder.

That is, the inner side portion 240 is located inside the outer side portion 230, and does not need a separate installation space for the inner side portion 240, it is possible to increase the filtering area, thereby increasing the space utilization of the dust collector It can increase.

3 and 4 are cross-sectional views showing the dust collection and exhaustion of the filter bag assembly 10 according to a preferred embodiment of the present invention.

Referring to Figure 3, when the dust collection state, the dust is introduced into the dust collector is made by the filter bag 200 of the present invention, the dust is the surface of the outer side portion 230 and the inner side portion ( Since the dust is collected through the surface of 240, the surface area to be collected is greatly widened compared to the conventional filter bag of the same size. On the other hand, the outer side portion 230 and the inner side portion 240 are supported by the outer support frame 130 and the inner support frame 140, respectively, the shape thereof is not deformed.

Referring to FIG. 4, in the dust extraction state, the dust stuck to the surface of the outer side portion 230 and the inner side portion 240 of the filter bag 200 in the dust collecting process is the inner side portion 240 and the upper surface portion ( The air is supplied to the space formed between 220 to be exhausted periodically or as needed.

As described above, since both the inner side surface portion 240 and the outer side surface portion 230 of the filter bag 200 are supported by the filter cage 100, at the time of dust collection or exhaustion, high-pressure air is supplied to the filter bag 200. Even though passing through, the shape of the filter bag 200 is not deformed, thereby preventing deformation or breakage by the flow of high pressure air.

In addition, the inner side surface portion 240 and the outer side surface portion 230 are arranged side by side, the air pressure inside the filter bag 200 acts uniformly as a whole, close to the injection nozzle for injecting high-pressure air when the air is exhausted Dedusting is uniformly performed on both the upper portion of the filter bag 200 and the lower portion of the filter bag 200 relatively far from the spray nozzle.

On the other hand, the coupling member 160 is provided to prevent the upper surface portion 220 of the filter bag 200 from falling downward from the upper plate 120 of the filter cage 100, in the present embodiment the upper plate After forming the hole 122 in the 120, and formed a separate hole 222 corresponding to the hole 122 in the upper surface portion 220, bolts and bolts passing through the holes (122, 222) The filter bag 200 and the filter cage 100 may be coupled to each other by using a nut coupled to the upper surface part 220 and the upper plate 120 by screwing thereto.

Although the present invention has been described in detail through the preferred embodiments as described above, the present invention is not limited to the embodiments described herein, and those skilled in the art may vary without departing from the spirit and scope of the present invention. It is obvious that it can be modified and modified. Therefore, such modifications or variations will have to be within the claims of the present invention.

1 is a cross-sectional view for explaining a conventional filter bag for dust collector,

Figure 2 is an exploded perspective view showing a filter bag assembly for a dust collector according to a preferred embodiment of the present invention,

3 and 4 are cross-sectional views illustrating a dust collecting and dust collecting state of the filter bag assembly according to a preferred embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

10: filter bag assembly for dust collector

100 filter cage 110 bottom plate

112: through hole 120: upper plate

130: outer support frame 140: inner support frame

160: coupling member 200: filter bag

210: bottom part 220: top part

230: outer side part 240: inner side part

Claims (6)

In the filter bag assembly for dust collector, A lower plate having a through hole formed therein, an upper plate disposed above the lower plate and corresponding to the through hole, and an outer support frame disposed along an edge of the lower plate and extending upward from the lower plate; And a filter cage disposed along a periphery of the through hole, the filter cage including an inner support frame extending upwardly from the lower plate and coupled to the upper plate. A bottom portion corresponding to the bottom plate and supported by the bottom plate, an outer side portion extending upward along an edge of the bottom portion and supported by the outer support frame, an upper surface portion supported by the top plate, and A filter bag assembly comprising a filter bag extending between an upper surface portion and the bottom surface portion, the filter bag including an inner side portion supported by the inner support frame. The method according to claim 1, And a coupling member coupled to each other through the upper plate and the upper surface portion. The method according to claim 1, And a connecting frame coupling the upper plate and the outer support frame to each other. The method according to claim 1, And the outer support frame and the inner support frame are parallel to each other. A filter cage for supporting the filter bag to maintain the shape of the filter bag for dust collection and dust removal, A lower plate having a through hole formed therein; An upper plate disposed on the lower plate and corresponding to the through hole; An outer support frame disposed along an edge of the lower plate and extending upward from the lower plate; A filter cage disposed along the periphery of the through hole and extending upwardly from the lower plate, the inner support frame being coupled to the upper plate. The method according to claim 5, And a coupling member for coupling the upper plate and the filter bag supported on the upper plate to each other.

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