KR20220018661A - Dust removing apparatus of double filter - Google Patents

Abstract

The present invention relates to a dust-removing device of a double filter, which comprises: a body part having an air inlet formed on one side to suck contaminated air and an air outlet formed on the other side to discharge purified air; at least one double filter part located inside the body part and comprising a filter bag for filtering the contaminated air sucked in through the air inlet and an activated carbon filter for removing odors from the filtered air; a compressed air supply part disposed around the double filter part to spray compressed air to remove dust absorbed on a surface of the filter bag; and an elevating driving part for elevating the compressed air supply part to a position corresponding to the height of the double filter part. According to the present invention, it is possible to efficiently remove dust absorbed on the surface of the double filter part by the elevating and descending compressed air supply part installed on the outside of the double filter part in the process of sucking contaminated air, purifying the air, removing odors through the double filter part, and discharging the same to the outside.

Description

Dust removal device of double filter {DUST REMOVING APPARATUS OF DOUBLE FILTER}

The present invention relates to a dust removal device for a double filter, and more particularly, to a device for removing dust and odors adsorbed on the surface of a double filter for a dust collector.

In general, dust collectors are used to purify the air and improve the working environment by collecting dust or branches of polluted air in various industrial sites such as thermal power plants using pulverized coal or iron mills that generate a lot of dust.

The dust collector used in this way forcibly sucks in polluted air containing dust or dust and passes it through a filter bag made of non-woven fabric, etc. It serves to exhaust only air to the outside.

However, when the dust collector is operated and used for a long time, dust or dust adheres to the outer surface of the bag filter, making it difficult for air to pass through. A separate dust extraction device capable of removing dust or dust is provided.

A technique related to such an exhaustion device has been proposed in Korean Patent Laid-Open No. 2001-0019423.

However, Patent Document 1 has a problem in that the exhaustion efficiency is limited because the filter is rotated and the particles are separated only by centrifugal force.

Korea Patent Publication No. 2001-0019423 (2001.03.15)

The present invention has been devised in view of the above points, and the solution of the present invention is to efficiently dust by spraying the dust adsorbed on the double filter composed of a filter bag and an activated carbon filter during the dust collection process while controlling the compressed air injection position. It is an object of the present invention to provide a dust extractor capable of removing odors and the like with activated carbon.

According to an aspect of the present invention, there is provided a dual filter dedusting device for achieving the above object, comprising: a main body having an air intake port formed on one side to suck polluted air, and an air outlet port formed on the other side to discharge purified air; at least one double filter unit located inside the main body and comprising a filter bag for filtering the polluted air sucked in through the air intake and an activated carbon filter for removing odors from the filtered air; a compressed air supply unit disposed around the double filter unit to spray compressed air to remove dust adsorbed on the surface of the filter bag; It may include a; elevating driving unit for raising and lowering the compressed air supply unit by a position corresponding to the height of the double filter unit.

The double filter unit may be integrally provided with an inlet closed with a mesh in a state in which the activated carbon filter is filled in the filter bag.

The compressed air supply unit may have an air supply body formed in an annular shape to surround an outer circumferential surface of the double filter unit, and a supply nozzle may be radially disposed at an end thereof to spray compressed air in the direction of the filter bag.

The air supply body may be bent in a wavy shape from the inlet to the outlet so that both sides have a circular shape when abutting.

The air supply body may be supported and interlocked with the second power transmission unit of the lift driving unit.

The lifting driving unit may include: a driving motor providing driving force; a driving shaft connected to the shaft of the driving motor and having a first driving rotation unit and a second driving rotation unit at set intervals, respectively; a first driven shaft that is spaced apart from the driving shaft left and right, and provided with a first driven pivoting part and a second driven pivoting part at set intervals, respectively; a second driven shaft spaced apart from the driving shaft in the vertical direction and provided with a 3-1 driven pivoting part at a position corresponding to the second driving pivoting part for each set interval; a third driven shaft spaced apart from the first driven shaft in the vertical direction and provided with a 3-2 driven pivoting part at a position corresponding to the second driven pivoting part for each set interval; a first power transmission unit transmitting the power of the driving shaft to the first driven shaft; and a second power transmission unit for transmitting the power of the driving shaft and the first driven shaft to the second driven shaft and the third driven shaft.

According to the present invention, the dust adsorbed on the surface of the double filter unit by the compressed air supply unit installed outside the double filter unit and ascending and descending in the process of inhaling contaminated air, removing air purification and odor, etc. through the double filter unit, and discharging the dust, etc. There is an effect that can be efficiently removed.

1 is a perspective view showing a dust removal device for a double filter according to the present invention.
2 is a perspective view illustrating a compressed air supply unit and a lift driving unit in the dual filter dust removal device according to the present invention.
3 and 4 are longitudinal cross-sectional views showing a state before and after the lifting of the compressed air supply unit in the dust removal device of the double filter according to the present invention.
5 is a perspective view and a cross-sectional view showing a double filter unit in the dust removal device of the double filter according to the present invention.
6 is a cross-sectional view showing a state before and after the operation of the direction guide provided inside the air supply body in the dust removal device for the dual filter according to the present invention.

The above objects, features and other advantages of the present invention will become more apparent by describing preferred embodiments of the present invention in detail with reference to the accompanying drawings. Hereinafter, with reference to the accompanying drawings, it will be described in detail with respect to the exhaust device of the double filter according to an embodiment of the present invention.

Fig. 1 is a perspective view showing a dust removal device for a dual filter according to the present invention, Fig. 2 is a perspective view showing a compressed air supply unit and a lift driving unit in the dust extraction device for a dual filter according to the present invention, and Figs. 3 and 4 are this view It is a longitudinal cross-sectional view showing the state before and after the lifting and lowering of the compressed air supply unit in the dust extraction device of the dual filter according to the present invention, and FIG. It is a cross-sectional view showing the state before and after the operation of the direction guide part provided inside the air supply body in the dust removal device of the dual filter according to the invention.

1 to 6 , the dual filter dedusting device 100 according to the present invention includes a main body 110 , a compressed air supply unit 120 , a dual filter unit 130 , and a lift driving unit 140 . .

As shown in FIGS. 1, 3 and 4, the main body 110 is a dust collecting space so that the compressed air supply unit 120, the double filter unit 130, and the lift driving unit 140 are located inside the housing 1110. (110a) is formed, and the inner partition wall 111 in the horizontal direction is provided on the upper side of the dust collecting space 110a to form a separate partition space while being spaced apart from the upper surface.

In addition, the housing 1110 has an air intake 1120 for sucking in contaminated external air at the lower portion of the outer wall, and a double filter unit 130 on the upper side of the outer wall between the upper surface of the main body 110 and the inner partition 111 . ), an air outlet 1130 for discharging purified air is formed, and a dust outlet 1150 for discharging dust, etc. separated from the filter bag 122 of the double filter unit 130 is provided at the lower portion, and the dust A discharge valve 1160 for controlling whether dust is discharged is provided at an end of the discharge port 1150 .

In addition, a rotating opening/closing opening 1140 is provided inside the air discharge port 1130 to adjust the discharge amount.

On the other hand, a hole is formed in the inner partition wall 111 so that the upper end of the double filter unit 130 passes through.

In addition, a controller (not shown in the drawing) is provided on the outer wall of the main body 110 to control power ON/OFF, the operation of the compressed air supply unit 130 and the lift driving unit 140 , and operation time.

The compressed air supply unit 120 sprays compressed air to remove the dust adsorbed on the surface of the filter bag 132 of the double filter unit 130 as shown in FIGS. 1 to 4, and the air supply body 122, It includes a supply nozzle 124 , a supply valve 126 , and a compressed air supply member 128 .

The air supply body 122 is disposed to have an annular shape so as to surround the filter bag 132 so that the filter insertion hole 1220 is formed therein. Connect by 1210.

On the other hand, since the air supply body 122 is bent in a wave shape from the inlet to the outlet of the long tube to have a circular shape on both sides when abutting, the double filter units 130 are supplied with compressed air through one tube. This is possible.

And the air supply body 122 is formed through the supply hole (122a) radially along the upper surface.

Furthermore, the air supply body 122 is provided with a fixing unit 1230 to be fixed to the second power transmission unit 1470 for vertical movement while extending in the direction of the second power transmission unit 1470 of the lifting driving unit 140 . do.

Meanwhile, referring to FIG. 6 , a direction guide part 1240 for guiding the compressed air direction toward the supply hole 122a is provided rotatably by the shaft 1242 in the inside of the air supply body 122 .

And a torsion spring 1246 is installed on the shaft 1242 . One end of the torsion spring 1246 is supported inside the air supply body 122, and the other end is supported by the direction guide 1240, and when the direction guide 1240 is rotated by compressed air, it is deformed, It is restored when compressed air is not supplied.

On the other hand, the torsion spring 1246 has a different rotation angle of the direction guide unit 1240 according to the strength of the compressed air. That is, when compressed air is weakly applied, the angle of the direction guide part 1240 becomes small, and when compressed air is strongly applied, the angle of the direction guide part 1240 becomes large.

Moreover, the direction guide unit 1240 is formed to protrude from the inner peripheral surface of the air injection unit 130, the angle limiting projection 1244 to limit the maximum rotation angle.

Accordingly, the direction guide unit 1240 is provided to have a right angle with the inner circumferential surface of the air supply body 122 when compressed air is not provided, and rotates at a maximum angle when compressed air is provided to supply compressed air in the direction of the supply hole (122a). will guide you

The supply nozzles 124 are installed in each of the supply holes 122a of the air supply body 122 , respectively, and are provided to spray compressed air in the direction of the filter bag 132 . At this time, it is preferable that the upper end of the supply nozzle 124 is bent to be inclined in the direction of the filter bag 132 to control the injection direction of the compressed air.

And the supply valve 126 is installed at the end of the connection pipe to which the air supply body 122 is connected, so that it is possible to adjust the amount of compressed air supplied to the air supply body 122 .

The compressed air supply member 128 supplies compressed air to the air supply body 122 .

The double filter unit 130 is positioned upright in the dust collecting space 110a of the main body 110 as shown in FIGS. 1 and 3 to 5 , and the upper end passes through the internal partition wall 111, and the contaminated air It is an integral type including an outer filter bag 132 for filtering and an inner activated carbon filter 134 for filtering odors.

At this time, the double filter unit 130 is provided in plurality, the number is not limited and can be varied.

Moreover, since the double filter unit 130 removes the dust attached to the surface by the compressed air sprayed from the compressed air supply unit 120 installed on the outside of the filter bag 132 , the activated carbon filter inside the filter bag 132 . (134) can be filled.

In the filter bag 132 , the contaminated air introduced through the air intake 112 is filtered while moving from the outside to the inside of the surface, and the dust remains while adsorbed on the surface.

In addition, the activated carbon filter 134 is filled with activated carbon in the empty space inside the filter bag 132 to remove odors and the like contained in the air from which dust has been removed by the filter bag 132 .

And the top of the filter bag 132 is closed with a mesh 136 so that the activated carbon of the activated carbon filter 134 does not leak out.

The lifting driving unit 140 elevates the compressed air supply unit 120 by a position corresponding to the height of the double filter unit 130 as shown in FIGS. 1 to 4, the driving motor 142, the driving shaft 1420, It includes a first driven shaft 1430 , a first power transmission unit 1440 , a second driven shaft 1450 , a third driven shaft 1460 , and a second power transmission unit 1470 .

At this time, as for the lifting driving unit 140 , the driving shaft 1420 is located in the upper left side of the housing 1110 in FIG. 3 , and the first driven shaft 1430 is located in the upper right side of the housing 1110 in the horizontal direction. The second driven shaft 1450 is positioned in the transverse direction on the lower left side of the housing 1110 while the lower side of the driving shaft 1420, and the second driven shaft 1450 is positioned below the first driven shaft 1430 and on the right lower side of the housing 1110. 3 The driven shaft 1460 is positioned in the transverse direction.

That is, the driving shaft 1420 and the first driven shaft 1430 are positioned above the double filter unit 130 , and the second driven shaft 1450 and the third driven shaft 1460 are the double filter unit 130 . is located below the

The driving motor 142 is configured to provide a driving force.

The driving shaft 1420 is connected to the shaft of the driving motor 142 , and a first driving rotation unit 1422 and a plurality of second driving rotation units 1424 are provided at set intervals, respectively.

In this case, the first driving rotation unit 1422 is a pulley, etc., and the second driving rotation unit 1424 is a sprocket, etc., and any structure is used to transmit power by a power transmission medium other than a pulley or a sprocket. change is possible.

The first driven shaft 1430 is spaced apart from the driving shaft 1420 , and a first driven pivoting part 1432 and a plurality of second driven pivoting parts 1434 are provided at set intervals, respectively.

At this time, the first driven pivoting part 1432 is applied to a pulley like the first driving and pivoting part 1422 , and the second driven pivoting part 1434 is a sprocket like the second driving and pivoting part 1424 applied thereto. do.

The first power transmission unit 1440 connects the first driving rotation unit 1422 of the driving shaft 1420 and the first driven rotation unit 1432 of the first driven shaft 1430 to each other to provide a driving force of the driving shaft 1420 . 1 is transmitted to the driven shaft (1430). On the other hand, the first power transmission unit 1440 is applied to the belt or the like.

The second driven shaft 1450 is spaced apart from the lower side of the drive shaft 1420 , and a plurality of 3-1 driven pivoting parts 1452 are provided at positions corresponding to the second driving pivoting parts 1424 at set intervals.

The third driven shaft 1460 is spaced apart from the lower side of the first driven shaft 1430 , and a plurality of 3-2 driven pivoting parts 1462 are provided at positions corresponding to the second driven pivoting parts 1434 at set intervals. do.

And the 3-1 driven pivoting part 1452 and the 3-2 driven pivoting part 1462 are also sprockets applied thereto, and any structure is changed as long as it has a structure that transmits power by a power transmission medium other than a pulley or sprocket. is possible

The first power transmission unit 1440 is a first type of the first driving rotation unit 1422 and the first driven shaft 1430 of the driving shaft 1420 so as to transmit the power of the driving shaft 1420 to the first driven shaft 1430 . A belt connecting the pivoting part 1432 is applied to this.

The second power transmission unit 1470 includes a second driving rotation unit 1424 of the driving shaft 1420 and a third third of the second driven shaft 1450 to transmit the power of the driving shaft 1420 to the second driven shaft 1450 . Connecting the first driven pivoting portion 1452, the second driven pivoting portion 1434 and the third of the first driven shaft 1430 to transmit the power of the first driven shaft 1430 to the third driven shaft 1460 A chain connecting the 3-2 driven pivoting part 1462 of the driven shaft 1460 is applied to this.

On the other hand, the elevating driving unit 140 has been exemplified as elevating the compressed air supply unit 120 by using a driving shaft and a driven shaft, a pulley and a belt, a sprocket, and a chain by using the driving force of the driving motor 142 . can do it

As described above, the operation process of the dual filter dust removal device 100 of the present invention will be described as follows.

First, the polluted external air is sucked through the air intake 112, and as the polluted external air moves from the outside to the inside of the double filter unit 130, dust contained in the polluted external air is removed from the filter bag 122. ) is adsorbed to the surface.

Next, the air purified through the filter bag 122 passes through the activated carbon filter 124 inside the filter bag 122 and is discharged through the air outlet 114 in a state in which odors are removed.

At this time, since dust is adsorbed on the surface of the filter bag 122 , it is necessary to exhaust the dust.

To this end, compressed air supplied from the compressed air supply member 128 is supplied to the inside of the air supply body 122 under the control of the controller, and through the supply nozzle 124 installed radially in the air supply body 122 . While spraying, the dust adsorbed on the surface of the filter bag 122 is exhausted.

At the same time, the air supply body 122 is moved in the vertical direction of the filter bag 122 by the driving of the lifting driving unit 140 , so that dust can be removed from the entire area of the filter bag 122 .

That is, when the driving motor 142 is driven, the driving shaft 1420 is driven, and the first driving rotating unit 1422 of the driving shaft 1420 and the first driven rotating unit 1432 of the first driven shaft 1430 are first The driving force of the driving motor 142 is transmitted to the first driven shaft 1430 while being connected by the power transmission unit 1440 .

Next, the drive shaft 1420 and the first driven shaft 1430 interlocked by the drive shaft 1420 interlock the lower second driven shaft 1450 and the third driven shaft 1460 at the same time.

To this end, the second driving rotating part 1424 of the driving shaft 1420 and the second driven rotating part 1434 of the first driven shaft 1430, and the 3-1 driven rotating part of the second driven shaft 1450 ( 1452 ) and the 3-2 driven pivoting portion 1462 of the third driven shaft 1460 are respectively connected by the second power transmission unit 1470 .

Next, the high-pressure air is sequentially sprayed up and down the filter bag 122 through the supply nozzle 124 while the air supply body 122 is raised and lowered by the fixing unit 1230 connected to the second power transmission unit 1470 . will do

Next, the dust separated from the filter bag 122 is discharged to the outside through the dust outlet 1150 .

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those of ordinary skill in the art to which the present invention pertains can realize that the present invention may be embodied in other specific forms without changing its technical spirit or essential features. you will be able to understand Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

100: dust extraction device of the double filter 110: body part
1110: housing 1120: air intake
1130: air outlet 1140: opening and closing
1150; Dust outlet 120: compressed air supply
122: air supply body 124: supply nozzle
126: supply valve 128: compressed air supply member
130: double filter unit 132: filter bag
134: activated carbon filter 136: mesh
140: elevating driving unit 142: driving motor
1420: drive shaft 1430: first driven shaft
1440: first power transmission unit 1450: second driven shaft
1460: third driven shaft 1470: second power transmission unit

Claims (6)

a body part having an air intake port formed on one side to suck in contaminated air, and an air discharge port formed on the other side to discharge purified air;
at least one double filter unit located inside the main body and comprising a filter bag for filtering the polluted air sucked in through the air intake and an activated carbon filter for removing odors from the filtered air;
a compressed air supply unit disposed around the double filter unit to spray compressed air to remove dust adsorbed on the surface of the filter bag;
and a lift driving unit for raising and lowering the compressed air supply unit by a position corresponding to the height of the double filter unit.
The method of claim 1,
The double filter unit is a dust extraction device for a double filter, characterized in that the inlet is closed with a mesh in a state in which the activated carbon filter is filled inside the filter bag and is provided integrally.
The method of claim 1,
The compressed air supply unit has an air supply body formed in an annular shape to surround the outer circumferential surface of the dual filter unit, and a supply nozzle is radially disposed at the end to spray compressed air in the direction of the filter bag. .
4. The method of claim 3,
The air supply body is bent in a corrugated shape from the inlet to the outlet, so that both sides have a circular shape when buttted.
4. The method of claim 3,
The air supply body is supported and interlocked with the second power transmission unit of the lift driving unit.
According to claim 1, wherein the lifting drive unit,
a driving motor providing driving force;
a driving shaft connected to the shaft of the driving motor and having a first driving rotation unit and a second driving rotation unit at each set interval;
a first driven shaft that is spaced apart from the driving shaft left and right and provided with a first driven pivoting part and a second driven pivoting part for each set interval;
a second driven shaft spaced apart from the driving shaft in the vertical direction and provided with a 3-1th driven pivoting part at a position corresponding to the second driving pivoting part for each set interval;
a third driven shaft spaced apart from the first driven shaft in the vertical direction and provided with a 3-2 driven pivoting part at a position corresponding to the second driven pivoting part for each set interval;
a first power transmission unit for transmitting the power of the drive shaft to the first driven shaft; and
and a second power transmission unit for transmitting the power of the drive shaft and the first driven shaft to the second driven shaft and the third driven shaft.

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