JP2761847B2 - Cleaning device for bag-shaped filter cloth for bag filter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for dry-cleaning a filter cloth for a bag filter using a vacuum cleaner.

[0002]

2. Description of the Related Art Since a bag-like filter cloth used for a bag filter adheres to dust (dust) inside the bag filter, it is cleaned after being appropriately used.
In the conventional cleaning, the bag-like filter cloth was removed from the bag filter, immersed in water, rubbed and washed, the attached dust was removed, dried, and reused.

[0003]

However, since the cleaning is a wet-type massaging and washing, the operation is extremely difficult, and the metal ring provided at the opening of the bag-shaped filter cloth is rusted because it is immersed in water. There was a problem that the part might be broken. Also, since water is used, a large amount of dirty wastewater is generated, which requires a treatment facility for treating the wastewater, which is expensive in terms of facilities, and further requires rinsing and drying time in addition to washing. There was also a problem that the working time was long. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a dry-type bag filter cleaning device for a bag filter that can perform processing in a relatively short time and does not generate dirty drainage. .

[0004]

According to the present invention, there is provided a semiconductor device comprising:
The bag filter cleaning device for a bag filter according to the present invention is a device for cleaning dust adhered to a bag-shaped filter cloth provided in a bag filter, the front and rear ends of the bag-shaped filter cloth being substantially cylindrical. The support member before and after the support and the bag-like filter cloth supported by the support member are arranged so that their axes are aligned with each other, and have a length that fits into the bag-like filter cloth up to the end portion, Has an outer diameter slightly smaller than that of the bag-shaped filter cloth, and an inner-peripheral dust-removal tool provided with a vacuum suction port around the perimeter, and the inner-peripheral dust-removal tool can be relatively reciprocated in the bag-shaped filter cloth. It has a truck with a drive source to be inserted and a vacuum cleaner connected to the inner peripheral dust remover. The bag-type filter cloth cleaning device according to claim 2 is a device according to claim 1, wherein a base end is attached to a distal end of a flexible hose connected to a vacuum cleaner, and the bag-type filter cloth is manually formed. It is equipped with a manual outer peripheral dust remover that sucks and removes dust attached to the outer periphery. According to a third aspect of the present invention, in the apparatus for cleaning a bag-shaped filter cloth for a bag filter according to the first embodiment, a vacuum suction port surrounding an outer peripheral surface of the bag-shaped filter cloth supported in a substantially cylindrical state is formed inside. And a surrounding outer dust remover that is relatively movable in the length direction with respect to the bag-shaped filter cloth. The cleaning device for a bag-like filter cloth for a bag filter according to claim 4, wherein the outer peripheral dust remover is an annular brush that abuts an outer peripheral surface of a surrounding substantially cylindrical bag-like filter cloth. It has. An apparatus for cleaning a bag-shaped filter cloth for a bag filter according to claim 5, wherein the inner peripheral dust remover is provided on an inner peripheral surface of the bag-shaped filter cloth in the apparatus according to any one of claims 1 to 4. It has a circular brush that abuts against it. A cleaning device for a bag-shaped filter cloth for a bag filter according to claim 6, further comprising a storage box for the bag-shaped filter cloth separately provided in the apparatus according to any one of claims 1 to 5, wherein the storage box is provided. The box is plumbed to the vacuum cleaner. Claim 7
The bag filter cleaning device for a bag filter according to the present invention is a device for cleaning dust adhered to a bag-shaped filter cloth provided in a bag filter, the front and rear ends of the bag-shaped filter cloth being substantially cylindrical. A support member before and after the support, and a vacuum suction port surrounding an outer peripheral surface of the bag-like filter cloth supported by the support member are formed on the inside, and are relatively arranged in the length direction with respect to the bag-like filter cloth. A movable surrounding outer dust remover, a truck with a drive source for inserting the outer dust remover relatively reciprocally with respect to the bag-shaped filter cloth, and a vacuum cleaner connected to the outer dust remover Machine. The cleaning device for a bag-shaped filter cloth for a bag filter according to the eighth aspect of the present invention is the apparatus according to the seventh aspect, wherein the outer peripheral dust remover comes into contact with the outer peripheral surface of the surrounding substantially cylindrical bag-shaped filter cloth. It has an annular brush.

[0005]

The bag-type filter cloth cleaning device according to any one of claims 1 to 6, wherein the bag-type filter cloth is held in a substantially cylindrical state by the front and rear support members, and a shaft is attached to the bag-type filter cloth. An inner-peripheral dust remover having a length that fits to the end portion of the bag-shaped filter cloth, which is arranged in the center, and is inserted into the bag-like filter cloth, is inserted through a vacuum suction port provided around the tip of the inner-peripheral dust remover. The dust adhering to the inside is removed by suction. Thereby, dust adhering to the inside of the bag-like filter cloth is substantially removed. The operation of putting the inner-peripheral dust remover into the bag-shaped filter cloth is performed by a truck with a driving source, so that it can automatically reciprocate.
Since the sucked dust is collected by the vacuum cleaner, there is no generation of dust and dirty drainage around. In particular, in the bag-type filter cloth cleaning device for a bag filter according to claim 2, the dust adhered by a manual outer peripheral dust remover attached to the tip of the flexible hose is inserted into the inner peripheral dust remover. , And the bag-like filter cloth can be almost completely cleaned. Here, by attaching a brush or the like to the outer peripheral dust remover, the attached dust can be forcibly removed, and efficient dust removal can be achieved. The bag-type filter cloth cleaning device for a bag filter according to the third aspect further includes a surrounding outer peripheral dust remover in which a vacuum suction port surrounding the outer peripheral surface of the bag-like filter cloth is formed on the inside. Even dust that adheres to the outside and is difficult to be sucked by the inner peripheral dust remover is sucked and removed from the outside. Since the surrounding outer peripheral dust remover is relatively movable in the length direction with respect to the bag-shaped filter cloth, dust adhering to the entire outer periphery of the bag-shaped filter cloth can be removed by suction. In the bag filter cleaning device for a bag filter according to the fourth aspect, since the surrounding outer peripheral dust remover is provided with an annular brush that comes into contact with the bag-shaped filter cloth, it is entangled with the bag-shaped filter cloth and vacuumed. Dust that is difficult to remove by suction alone is physically removed by the annular brush, and the removed dust is removed by vacuum suction without reattaching to the bag-like filter cloth. In the bag filter cleaning device for a bag filter according to the fifth aspect, since the inner peripheral dust remover is provided with the circular brush that comes into contact with the inner inner peripheral surface of the bag-shaped filter cloth, it can be removed only by vacuum suction. Dust is physically removed with a circular brush, and the removed dust is sucked and removed by an inner peripheral dust remover. In the bag filter cleaning device for a bag filter according to claim 6,
Equipped with a separate storage box for bag-like filter cloth, put the dirty bag-like filter cloth in it and shake or tap to remove easily removable dust attached to the surface. . The dust generated at this time is suctioned by a vacuum cleaner, so that less dust is generated during subsequent handling and transport of the bag-shaped filter cloth, and environmental pollution is reduced. Claim 7
In the bag-type filter cloth cleaning device for bags and filters described in 8 and 9, since the bag-shaped filter cloth has an outer peripheral dust remover in which a vacuum suction port surrounding the outer peripheral surface is formed inside, By moving this relatively, dust adhering to the outer periphery can be removed in a dry state. And Claim 8
In the bag filter cleaning device for a bag filter according to the above, since the outer peripheral dust remover further includes an annular brush in contact with the outer peripheral surface of the bag-shaped filter cloth, dust is forcibly removed by the annular brush, More efficient dust removal can be performed.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the present invention will now be described with reference to the accompanying drawings to provide an understanding of the present invention. Here, FIG. 1 is a side view of a bag-type filter cloth cleaning device for a bag filter according to a first embodiment of the present invention, FIG. 2 is a plan view thereof, FIG. FIG. 4 is a side view of a storage box, FIG. 5 is a partially omitted side view of a bag-type filter cloth cleaning device for a bag filter according to a second embodiment of the present invention, and FIG.
7 is a perspective view of the outer peripheral dust remover, FIG. 7 is a front sectional view of the same, FIG. 8 is a same side sectional view, and FIGS. 9A and 9B are side sectional views and a front view of the outer peripheral dust remover according to another embodiment. Figures, 10 and 11
Is a side view of an inner peripheral dust remover according to another embodiment, FIG. 12 is a development explanatory view of a vacuum suction port, and FIG. 13 is an operation explanatory view thereof.

As shown in FIGS. 1 and 2, an apparatus 1 for cleaning a bag-like filter cloth for a bag filter according to a first embodiment of the present invention.
Reference numeral 0 denotes a carriage 14 with a driving device 13 for moving the guide rails 12 arranged in parallel back and forth, support members 16 and 17 of a bag-like filter cloth 15 attached to an upper part of the carriage 14, and a support frame 11. Inner dust remover 18 horizontally attached to the fixed portion, a manually operated outer dust remover 19 for removing dust attached to the outside of the bag-like filter cloth 15, a vacuum cleaner 20 connected to these, and a dust remover. And a storage box 21 provided with piping. Hereinafter, these will be described in detail.

The guide rails 12 are made of an angle material, are attached at predetermined intervals by a base plate 22 attached to the bottom, and are anchor-attached by the base plate 22. Guide rail 1
2 has a driving device 13 provided with a deceleration motor 23, and rotationally drives rear wheels 24.
Support members 16 and 17 are attached to the front and rear of the upper part of the carriage 14, and the front support member 16 has a ring 25 and legs 26 on both sides as shown in FIG. It can be exchangeably attached to the paired pipes 27 that are fixed. The ring 25
Is adapted to fix the opening at the front end of the bag-like filter cloth 15.

On the other hand, the support member 17 on the rear side is
5 is provided with a rectangular frame body for holding a rod for hanging the hand strap at the rear end, and a pair of guides 29 provided on the left and right with legs 29 having a pair of parallel holes at the lower part, and arranged in the front-rear direction. The rod 30 is fitted into the parallel hole, and the mounting position of the support member 17 moves along the guide rod 30 so that the mounting position can be changed. Therefore, one end opening of the bag-shaped filter cloth 15 is attached to the support member 16 and the bag-shaped filter cloth 1
The bag-like filter cloth 15 can be arranged in a cylindrical state by attaching the supporting member 17 to the supporting member 17 by passing the rod through the passing string at the other end of the fifth member 5 and moving the rear supporting member 17 according to the length. Has become. In addition, it is preferable that a fixing means made of a screw or the like is provided on the leg 29 so as to maintain the position moved along the guide rod 30.

The inner peripheral dust remover 18 has a pipe 31 and a suction head 32 attached to a front end thereof, and a rear end thereof is connected to a fixed pipe 33a attached to the support base 11. The outer diameter of the suction head 32 is slightly smaller than the inner diameter of the bag-shaped filter cloth 15, and a vacuum suction port 34 is provided around the suction head 32. The plurality of vacuum suction ports 34 are formed to be elongated in the circumferential direction, and suck the dust attached to the surrounding bag-like filter cloth 15 from the 360-degree direction. The length of the pipe 31 is sufficiently long so that the suction head 32 is fitted to the innermost part of the bag-like filter cloth 15 and the sucked dust is discharged to the rear.

A vacuum cleaner 20 is connected to the fixed pipe 33a as shown in FIG.
The outer peripheral dust remover 19 is attached to the front end thereof via a flexible hose 36. This outer peripheral dust remover 19
Preferably has a cleaning brush, which vacuum-evacuates dust removed by the cleaning brush,
It can be conveyed to the vacuum cleaner 20 through the flexible hose 36.

The fixed pipe 33a has a branch pipe 37.
, And the storage box 21 of the bag-like filter cloth 15 is connected via a flexible hose 38. As shown in FIG. 4, the storage box 21 has wheels 39 at the bottom and an opening / closing lid 40 at the top.
To accommodate the bag-shaped filter cloth 15 to which dust has adhered. A side plate of the guide rail 12 is provided with a base plate 43 on which limit switches 41 and 42 are mounted. The base plate 43 detects a forward limit and a reverse limit of the truck 14, and a cord connected to the truck 14. A guide line 45 that guides 44 is stretched.

Therefore, when using the bag-type filter cloth cleaning device 10 for a bag filter, the contaminated bag-type filter cloth 15 is first placed in the storage box 21 and shaken or beaten to vacuum-clean. Activating the vacuum cleaner 20 to remove the adhering dust, and then attaching the front end and the rear end to the support members 16 and 17 and holding them in a cylindrical state, while driving the vacuum cleaner 20, By moving the inner dust remover 18 back and forth,
Remove dust adhering to the inside. At the same time as this operation, dust adhering to the outside is removed by a manual outer peripheral dust remover 19.
, And these operations are repeated an appropriate number of times.
The bag-like filter cloth 15 is cleaned.

Next, a bag-type filter cloth cleaning apparatus 5 according to a second embodiment of the present invention shown in FIGS.
0 will be described, but the same components as those in the above-described embodiment will be denoted by the same reference numerals, and detailed description thereof will be omitted. A cleaning device 50 for a bag-shaped filter cloth for a bag filter is provided with a surrounding-type outer peripheral dust remover 52 attached via a support member 51.
have.

The support member 51 is formed of a square pipe or the like, and one end thereof is attached to both sides of the outer peripheral dust remover 52 so as to be vertically adjustable at an intermediate portion. It is anchored at a slightly forward position. The outer peripheral dust remover 52 is formed of a hollow annular body whose inner diameter is equal to or slightly larger than the outer diameter of the bag-shaped filter cloth 15, and has an inner peripheral surface 53.
Is provided with a vacuum suction port 54, and a vacuum pipe 55 connected to the vacuum cleaner 20 is connected to an upper portion thereof. The vacuum suction port 54 formed in the inner peripheral surface 53 is composed of a plurality of long holes that are long in the circumferential direction, and as shown in FIG. Are formed back and forth so as to overlap in the circumferential direction, and when the bag-like filter cloth 15 moves forward or backward, the dust on the entire circumferential surface is suctioned and removed.

Therefore, in the bag-type filter cloth cleaning device 50 for a bag filter, the bag-like filter cloth 15 is held in a cylindrical shape by the front and rear support members 16 and 17, and the cart 14
Is moved back and forth, the inside of the bag-shaped filter cloth 15
As a result, dust adhering to the outside of the bag-shaped filter cloth 15 by the outer peripheral dust remover 52 is vacuum-cleaned. Note that the support member 51 of the outer peripheral dust remover 52 may be attached so as to be able to adjust the longitudinal movement, so that the relative position with respect to the inner peripheral dust remover 18 can be accurately adjusted. The present invention is also applicable to a case where dust is cleaned only with the outer dust remover 52 without using the inner dust remover 18.

FIGS. 9A and 9B show an outer dust remover 57 according to another embodiment. The outer dust remover 57 has a vacuum suction port 54 formed in the inner periphery thereof. Brush 5
9, 60 are attached. This annular brush 59, 6
Numeral 0 is provided on the annular brush mounting bases 61 and 62 such that brush bristle groups 63 and 64 made of synthetic resin, metal or natural product having sufficient wear resistance project inward from the inner peripheral surface 53. ing. This physically removes the dust adhering to the outer peripheral surface of the bag-shaped filter cloth 15.
Note that the annular brushes 59 and 60 may be provided on only one side. It is also possible to arrange the outer peripheral dust remover in front and back with the annular brush as the center, whereby the dust forcibly removed by the annular brush is always sucked and removed by any one of the front and rear outer peripheral dust removers. 6 in the figure
Reference numeral 5 denotes a mounting screw. In addition, a group of brush hairs is
5, a mechanism for rotating or moving continuously or intermittently, or one way or reciprocatingly around the longitudinal axis thereof is provided, so that the cleaning effect on the surface of the bag-like filter cloth 15 is greatly improved. Can be done.

FIGS. 10 and 11 show inner dust removers 66 and 67 according to another embodiment.
Circular brushes 70 and 71 are attached to the front and rear of the brush 9.
The circular brushes 70, 71 are respectively formed from circular brush mounting bases 72, 73 and brush bristle groups 74, 75 made of synthetic resin, metal or natural product, which are implanted around the entire circumference of the brush mounting bases 72, 73. Has become. As a result, dust adhering to the inside of the bag-like filter cloth 15 is forcibly removed. In addition, it is also possible to arrange the inner peripheral dust remover closely before and after the above-mentioned circular brush in the center, so that the dust removed by the circular brush is always the inner peripheral dust remover before and after. Aspirated by one of the tools.

FIG. 12 shows an example of the shape of the vacuum suction port formed on the inner peripheral surface of the outer peripheral dust remover or the outer peripheral surface of the inner peripheral dust remover. FIG. Ports 34 and 54 are shown, and FIG.
In the case where the rows 4 and 54 are formed in a double row, a circular vacuum suction port 76 is shown in (C), and a vacuum suction port 7 consisting of a long hole is shown in (D).
(E) shows the case where the vacuum suction port 7 is inclined.
8 and 79 show a case where there are multiple rows, and (F) shows a case where a vacuum suction port 80 composed of a long hole and a vacuum suction port 81 composed of a round hole are mixed. Further, in some cases, the vacuum suction port may be completely annular, and the two outer peripheral surfaces or the two inner peripheral surfaces separated by this may be connected by a rib provided on the vacuum side. Thus, by forming the vacuum suction port, a part of the bag-like filter cloth 15 is sucked as shown in FIG. 13 to form a depression 82, and the position and direction of the depression 82 are determined by the bag-like filter cloth 15 , The bag-like filter cloth 15 is bent in multiple directions and actively rubbed, and dust adhering to the filter cloth can be efficiently removed.

In the above embodiment, the vacuum cleaner is provided with a branch duct composed of a total of three tubes, and a vacuum gauge is attached to the base of the branch duct so that the clogged state of the bag filter can be checked. I have to. Further, each duct is provided with a valve to switch between open and closed arbitrarily, thereby enabling more efficient vacuum use. Further, in the above embodiment, the inner peripheral dust remover and the outer peripheral dust remover were fixed, and the bag-like filter cloth was moved back and forth.
The inner peripheral dust remover and the outer peripheral dust remover may be moved back and forth. Furthermore, in the above-described embodiment, the bag-shaped filter cloths are arranged horizontally. However, the bag-shaped filter cloths may be arranged vertically and the whole may be arranged vertically, thereby reducing the installation area.

[0021]

As is apparent from the above description, the bag-type filter cloth cleaning device for a bag filter according to the first to sixth aspects supports the bag-type filter cloth in a cylindrical shape, and the inside thereof is surrounded by the inner periphery. Since dust is removed by the dust remover, dust adhering to the inside can be removed and cleaned by normal dust collector operation. Further, since the filter cloth for the bag filter is cleaned by a dry method, the treatment is simple and no drainage treatment is required, and the dust collected by the vacuum cleaner can be reused. In particular, claims 2 and 3
In the bag filter cleaning device for a bag filter described above, since the outer peripheral dust remover is further provided, it is possible to remove dust attached to the outside, and to more completely clean the filter cloth for the bag filter. Becomes possible. In the bag-type filter cloth cleaning device according to claims 4 and 5, the outer peripheral dust remover is provided with an annular brush, and the inner peripheral dust remover is provided with a circular brush. The strongly adhered dust was forcibly removed, thereby enabling more complete dust removal. And
In the bag filter cleaning device for a bag filter according to claim 6, since the storage box connected to the vacuum cleaner is provided, by inserting the bag-shaped filter cloth before cleaning,
The dust adhering to the outside can be removed, and the generation of dust scattered when the bag-like filter cloth is transported can be suppressed. In the bag filter cleaning device according to the seventh and eighth aspects, since the outer peripheral dust remover is provided, the bag filter bag-like filter cloth is used from the outer surface toward the inner surface. It is suitable for dust removal, whereby dust can be removed in a dry manner, and the collected dust dust can be reused.

[Brief description of the drawings]

FIG. 1 is a side view of a device for cleaning a bag-shaped filter cloth for a bag filter according to a first embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a view taken in the direction of arrows AA in FIG. 1;

FIG. 4 is a side view of the storage box.

FIG. 5 is a partially omitted side view of a device for cleaning a bag-shaped filter cloth for a bag filter according to a second embodiment of the present invention.

FIG. 6 is a perspective view of an outer peripheral dust remover.

FIG. 7 is a front sectional view of the same.

FIG. 8 is a sectional side view of the same.

FIGS. 9A and 9B are a side sectional view and a front view, respectively, of an outer peripheral dust remover according to another embodiment.

FIG. 10 is a side view of an inner peripheral dust remover according to another embodiment.

FIG. 11 is a side view of an inner peripheral dust remover according to another embodiment.

FIG. 12 is a development explanatory view of a vacuum suction port.

FIG. 13 is an explanatory diagram of the operation.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Cleaning device for bag-shaped filter cloth for bag filter 11 Supporting stand 12 Guide rail 13 Drive unit 14 Cartridge 15 Bag-shaped filter cloth 16 Support member 17 Support member 18 Inner circumference dust remover 19 Outer circumference dust remover 20 Vacuum cleaner 21 Storage box 22 Base plate 23 Deceleration motor 24 Wheel 25 Ring 26 Leg 27 Pipe 29 Leg 30 Guide rod 31 Pipe 32 Suction head 33a Fixed piping 34 Vacuum suction port 35 Branch pipe 36 Flexible hose 37 Branch pipe 38 Flexible hose 39 Wheel 40 Opening / closing lid 41 Limit switch 42 Limit switch 43 Base plate 44 Code 45 Guide wire 50 Bag filter cleaning device for bag filter 51 Support member 52 Outer dust remover 53 Inner peripheral surface 54 Vacuum suction port 55 Vacuum piping 57 Outer dust remover 58 Outer dust remover main body 59 Annular bra Reference Signs List 60 annular brush 61 brush mounting base 62 brush mounting base 63 brush bristle group 64 brush bristle group 65 mounting screw 66 inner peripheral dust remover 67 inner peripheral dust remover 68 inner peripheral dust remover main body 69 inner peripheral dust remover main body 70 circular brush 71 circular brush 72 brush mounting base 73 brush mounting base 74 brush bristle group 75 brush bristle group 76 vacuum suction port 77 vacuum suction port 78 vacuum suction port 79 vacuum suction port 80 vacuum suction port 81 vacuum suction port 82 depression

Claims (8)

(57) [Claims] 1. A cleaning device for dust adhering to a bag-shaped filter cloth provided in a bag filter, wherein the bag-shaped filter cloth is formed into a substantially cylindrical state, and a front and rear support member for supporting front and rear ends thereof; The bag-shaped filter cloth supported by the support member is disposed so as to have its axis aligned with the bag-shaped filter cloth, and has a length that fits into the bag-shaped filter cloth up to the terminal portion, and the tip of the bag-shaped filter cloth is outside the bag-shaped filter cloth. An inner peripheral dust remover having a slightly smaller diameter and a vacuum suction port provided therearound, and a bogie with a drive source for inserting the inner peripheral dust remover relatively reciprocally into the bag-shaped filter cloth, An apparatus for cleaning a bag-shaped filter cloth for a bag filter, comprising: a vacuum cleaner connected to the inner peripheral dust remover. 2. A manual outer peripheral dust remover attached to a distal end of a flexible hose having a proximal end connected to a vacuum cleaner and manually sucking and removing dust adhering to the bag-shaped filter cloth from the outer periphery. The cleaning device for a bag-shaped filter cloth for a bag filter according to claim 1. 3. A vacuum suction port surrounding an outer peripheral surface of the bag-shaped filter cloth supported in a substantially cylindrical state is formed on an inner side, and is relatively movable in a length direction with respect to the bag-shaped filter cloth. The cleaning device for a bag-shaped filter cloth for a bag filter according to claim 1, further comprising a surrounding-type outer peripheral dust remover. 4. The bag filter cleaning device for a bag filter according to claim 3, wherein the outer peripheral dust remover includes an annular brush abutting on an outer peripheral surface of a surrounding substantially cylindrical bag-shaped filter cloth. 5. The inner peripheral dust remover includes a circular brush that contacts an inner peripheral surface of the bag-shaped filter cloth.
The cleaning device for a bag-shaped filter cloth for a bag filter according to any one of the above items. 6. The bag filter according to claim 1, further comprising a storage box for the bag-shaped filter cloth separately provided, the storage box being connected to the vacuum cleaner by piping. Cleaning device for bag-shaped filter cloth. 7. A cleaning device for dust adhering to a bag-like filter cloth provided in a bag filter, wherein the bag-like filter cloth is formed into a substantially cylindrical state, and a front and rear support member for supporting front and rear ends thereof; A vacuum suction port surrounding the outer peripheral surface of the bag-shaped filter cloth supported by the support member is formed inside, and a surrounding outer dust remover that is relatively movable in the length direction with respect to the bag-shaped filter cloth. A trolley with a drive source for inserting the outer peripheral dust remover relatively reciprocally into the bag-shaped filter cloth, and a vacuum cleaner connected to the outer peripheral dust remover. A cleaning device for a bag-shaped filter cloth for a bag filter. 8. The bag filter cleaning device for a bag filter according to claim 7, wherein the outer peripheral dust remover includes an annular brush abutting on the outer peripheral surface of the surrounding substantially cylindrical bag-shaped filter cloth.