KR101286194B1 - Bag filter for four-side scarfing apparatus - Google Patents

Abstract

The present invention is a bag filter for a four-side scaffolding device that collects dust and sludge generated during the scarfing process and discharges clean air, one side is formed with an inlet through which the dust and sludge flows, and the other side is the clean A hopper, through which an air outlet is formed, in which a filter cloth for adsorbing and collecting the dust and sludge is installed; A rotary valve disposed under the hopper and opening and closing the hopper; A transfer unit disposed below the rotary valve and transferring the dust and sludge which are detached and discharged from the filter cloth; And a dust collecting tank accommodating the dust and sludge conveyed by the conveying unit, and having a dam installed therein for bypassing the dust and sludge. do.
According to the present invention, it is possible to prevent the environment and air pollution by collecting dust and sludge, it is possible to reduce the equipment investment cost by recycling the insoluble equipment.

Description

BAG FILTER FOR FOUR-SIDE SCARFING APPARATUS}

The present invention relates to a bag filter for a four-sided scarfing device, and more particularly, dust and sludge collection from the four-sided scarfing device can prevent environmental and air pollution, and improve the operation efficiency of the main grinder. The present invention relates to a bag filter for a four-sided scarfing device which can improve the correction throughput of the four-sided scarfing device.

In general, the scarfing device refers to a device for removing the adsorption generated on the surface of the slab produced in the performance factory, in which the surface of the slab is thinly cut using an oxygen welding machine (or unit). Scarfing will take place.

On the other hand, the bag filter is a dry air pollution prevention facility to prevent environmental pollution by removing dust generated during the operation of the main grinder for finishing work after mechanized scarping in the four-side scarper process of the slab cleaning process. .

However, the conventional bag filter has a problem in that dust or sludge that is not properly collected due to various troubles during operation of a recycled facility of an insoluble facility is not properly collected.

Accordingly, there is a problem that the environmental pollution caused by the overflow of dust and sludge. In this way, the occurrence of trouble in the bag filter equipment leads to a decrease in workability of the four-side scarfing correction process.

The present invention has been made to solve the above problems, it is possible to prevent the environment and air pollution by dust and sludge collection generated from the four-side scarfing device, to increase the operation efficiency of the main grinder, four sides It is an object of the present invention to provide a bag filter for a four-side scarfing device that can improve the correction throughput of the scarfing device.

The present invention is a bag filter for a four-side scaffolding device that collects dust and sludge generated during the scarfing process and discharges clean air, one side is formed with an inlet through which the dust and sludge flows, and the other side is the clean A hopper, through which an air outlet is formed, in which a filter cloth for adsorbing and collecting the dust and sludge is installed; A rotary valve disposed under the hopper and opening and closing the hopper; A transfer unit disposed below the rotary valve and transferring the dust and sludge which are detached and discharged from the filter cloth; And a dust collecting tank accommodating the dust and sludge conveyed by the conveying unit, and having a dam installed therein for bypassing the dust and sludge. do.

Here, each of the inlet and the exhaust port is provided with a damper cylinder to control the flow of the fluid, the inlet is provided with a first cover that is opened and closed through a hinge coupling and the exhaust port is provided with a transparent second cover is installed the damper cylinder Screening also has its characteristics.

In addition, the dust adsorbed on the filter cloth is removable in a pulse jet method by a pulse timer cylinder disposed on one side of the hopper, characterized in that the third cover is provided on the upper portion of the pulse timer cylinder.

In addition, the rotary valve includes a sprocket connected to the motor, and a chain connected to the sprocket, wherein the sprocket and the chain are covered by a fourth cover, but the fourth cover It is also characterized by an inspection window that exposes the interior.

In addition, the transfer unit, a flow conveyor for transporting the dust and the sludge discharged from a plurality of the hopper, and a screw disposed below the flow conveyor to transfer the dust and the sludge conveyed from the flow conveyor to the dust collecting tank It is also characterized by being formed including a conveyor.

At this time, the tension adjusting device for adjusting the tension of the flow conveyor is covered by a fifth cover that is opened and closed through a hinge coupling, the screw conveyor is characterized in that it is also covered by a sixth cover.

According to the present invention, by collecting the dust and sludge generated from the four-side scarfing device, it is possible to prevent the environment and air pollution.

In addition, according to the present invention, it is possible to increase the operation efficiency of the main grinder for finishing work after mechanized scarping.

In addition, according to the present invention, the damper cylinder, the pulse timer cylinder, the rotary valve, the flow conveyor and the screw conveyor are provided with covers covering them, respectively, thereby protecting them from the external environment.

In addition, according to the present invention, by forming a cover with a hinge coupling and / or a transparent material, the operator can visually check the inside, it is possible to easily replace and repair the equipment in which the defect occurred.

In addition, according to the present invention, by significantly reducing the distance between the rotary valve and the slide gate than before, it is possible to minimize the sludge movement path to prevent sludge accumulation and overflow.

In addition, according to the present invention, by installing a dam in the dust collection tank to allow the sludge contained therein to move by bypass, it is possible to prevent the clogging phenomenon of the filter filtering the sludge according to the rapid flow of the sludge.

That is, according to the present invention as described above, the throughput of correction of the four-sided scarfing device can be improved.

1 is a block diagram showing a bag filter for a four-sided scarfing device according to the present invention.
Figure 2 is a perspective view showing a bag filter for a four-sided scarfing device according to the present invention.
3 is a partial perspective view showing a dust collecting tank according to the present invention.
Figure 4 is a partial perspective view showing a damper cylinder of the inlet in accordance with the present invention.
5 is a partial perspective view showing a damper cylinder of the exhaust port according to the present invention.
6 is a partial perspective view of a pulse timer cylinder according to the present invention;
7 is a partial perspective view showing a rotary valve according to the present invention.
8 is a partial perspective view showing a flow conveyor according to the present invention.
9 is a partial perspective view showing a screw conveyor according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Like parts are designated with like reference numerals throughout the specification.

Then, a bag filter for a four-sided scarfing device according to the present invention will be described with reference to FIGS. 1 to 9.

1 to 9, the bag filter 100 for the four-side scarfing device according to the present invention is a purifier that collects dust or sludge generated during the scarfing process and discharges clean air. The rotary valve 120, the transfer unit 130 and the dust collecting tank 140 is formed. In addition, the bag filter 100 for the four-sided scarfing device is installed in a plurality of four-sided scarfing device, it is possible to increase the processing capacity for the dust treatment.

The hopper 110 provides a place where a correction process for dust proceeds. That is, the hopper 110 is formed of a hollow case. In addition, an inlet 111 is formed at one side of the hopper 110 to introduce the dust forced by the blower (not shown) into the hopper 110. At this time, the inlet 111 may be the flow of the fluid, that is, dust or sludge by the damper cylinder 114 is installed therein. On the other hand, the upper side of the hopper 110 is formed with an exhaust port 112 for discharging the clean air, that is, clean air from which dust and sludge have been removed. Like the inlet 111, the exhaust port 112 is provided with a damper cylinder 114 to control the flow of clean air passing therethrough.

In addition, the hopper 110 is provided with a filter cloth 113 for trapping and collecting dust and sludge. At this time, it is preferable that a plurality of filter cloths 113 are installed to be filled in most of the internal space of the hopper 110 in order to maximize processing efficiency. Here, the dust or sludge collected on the filter cloth 113 is detached from the filter cloth 113 by the pulse jet method by the pulse timer cylinder 115 connected to the hopper 110 to the open lower end of the hopper 110. Will fall. At this time, the falling dust or sludge is introduced into the dust collecting tank 140 by the transfer unit 130, which will be described in more detail below.

On the other hand, the damper cylinder 114 of the inlet 111, the damper cylinder 114 of the exhaust port 112 and the pulse timer cylinder 115 are respectively the first cover 111a, the second cover 112a and the third cover ( Hidden by 115a). These covers 111a, 112a, and 115a serve to protect the damper cylinder 114 or the pulse timer cylinder 115 from the external environment. However, if the damper cylinder 114 or the pulse timer cylinder 115 is covered by these covers 111a, 112a, and 115a in this manner, the operator or inspector is in a state of the damper cylinder 114 and the pulse timer cylinder 115. It can be inconvenient to check. Accordingly, in order to facilitate opening and closing of these covers 111a, 112a, and 115a and to immediately check the state of the damper cylinder 114 and the pulse timer cylinder 115, these covers 111a, 112a, and 115a are provided. It may be formed through a hinge bond or formed of transparent acrylic. At this time, in the present invention, the first cover 111a is formed by a hinge coupling, and the second cover 112a and the third cover 115a are formed of transparent acrylic, and all of these covers 111a, 112a, and 115a are hinged. Of course, it can be formed of bonded and transparent acrylic. That is, in this way, when these covers 111a, 112a, and 115a are formed, the operator and inspector can directly check the operating states of the damper cylinder 114 and the pulse timer cylinder 115, and these cylinders 114, In case of a defect in 115, the cover 111a, 112a, 115a can be easily opened to perform a replacement or repair work.

In addition, the damper cylinder 114 and the pulse timer cylinder 115 is connected to the hose (not shown) for the air injection, these hoses are also formed of a transparent PVC hose, improving the convenience of workers and inspectors You can.

The rotary valve 120 is a valve for opening and closing the opened lower end of the hopper 110 and is installed at the lower end of the hopper 110. That is, the discharge of dust or sludge in the hopper 110 is controlled by opening and closing the rotary valve 120.

In this case, the rotary valve 120 may be connected to the hopper 110 through the plate 121 and the slide gate 122. Here, although the distance between the slide gate 122 and the rotary valve 120 was about 61 mm conventionally, these gaps were set to about 37 mm in this invention. As such, the reason why the distance between the slide gate 122 and the rotary valve 120 is narrowed is to prevent sludge accumulation and overflow by minimizing the movement path of the discharged sludge.

On the other hand, although not shown, the rotary valve 120 may be formed to include a drive device for opening and closing it. Here, the drive device may be composed of a motor, a sprocket connected thereto and a chain connected to the sprocket. At this time, the sprocket and the chain may be covered by the fourth cover 123 to protect from the external environment. In addition, the inspection cover 123a may be installed in the fourth cover 123 so as to check the operation state of the sprocket and the chain therein. That is, the workability and convenience of the worker and the inspector can be improved through the inspection window 123a.

The transfer unit 130 is a device for transferring dust or sludge falling from the hopper 110 to the dust collecting tank 140 according to the opening of the rotary valve 120. To this end, the transfer unit 130 is disposed below the rotary valve 120. Here, the transfer unit 130 may be composed of a flow conveyor (130a) and a screw conveyor (130b).

The flow conveyor 130a moves the dust or sludge discharged from the plurality of hoppers 110 to the screw conveyor 130b. At this time, the dust is discharged in the form of sludge when discharged from the hopper 110 mixed with the sludge and the process water generated during the scarfing process.

On the other hand, as shown, the flow conveyor 130a may be provided in a pair. In addition, the pair of flow conveyors 130a moves the sludge in opposite directions, that is, moves the sludge in a direction facing each other. At this time, the screw conveyor 130b is disposed in the lower portion between the pair of flow conveyors 130a, and the sludge moved by the flow conveyor 130a falls into the screw conveyor 130b and flows in.

The screw conveyor 130b is disposed below the centers facing each other of the flow conveyors 130a arranged side by side, and is discharged from each flow conveyor 130a to a dust collecting tank 140 disposed under the sludge. Transfer.

Here, the tension conveyor (131) for adjusting its tension is provided in the flow conveyor (130a), the tension regulator (131) is covered by the fifth cover 132 that is opened and closed through the hinge coupling is protected from the external environment. . As described above, as the fifth cover 132 is opened and closed through the hinge coupling, the operator can easily open the fifth cover 132 to check the state of the tension adjusting device 131 and repair the same. .

In addition, the screw conveyor 130b may be covered by the sixth cover 133 to be protected from the external environment. In this case, the sixth cover 133 may be formed in a wire mesh shape so that the operation state of the screw conveyor 130b can be easily checked from the outside.

The dust collecting tank 140 accommodates the sludge conveyed by the transfer unit 130. At this time, the dust collection tank 140 may be provided with a dam 141 for partitioning the internal space of the dust collection tank 140. The dam 141 is installed across the interior of the dust collecting tank 140, one end of the longitudinal direction is in close contact with the wall surface of the dust collecting tank 140, the other end is disposed at a distance from the wall surface of the dust collecting tank 140 do.

As such, as the dam 141 is installed, the sludge accommodated in the dust collecting tank 140 bypasses the space between the dam 141 and the wall surface of the dust collecting tank 140 to filter the filter (not shown). As a result, clogging of the filter (not shown) due to the rapid flow of the sludge as in the prior art no longer occurs.

On the other hand, the sludge conveyed from the conveying unit 130 may be first filled in the bucket car (142) (142) and then transferred to the bucket car 142 may be delivered to the dust collecting tank (140).

As described above, the present invention can prevent the environment and air pollution by collecting dust and sludge generated from the four-side scarfing device. And the back filter 100 according to the present invention can increase the operation efficiency of the main grinder for the finishing work after the mechanized scarfing. In addition, by forming the various facilities for easy replacement and repair, the correction throughput of the four-sided scarfing device can be improved.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

100: bag filter for four-sided scarfing device 110: hopper
111: inlet 111a: first cover
112: exhaust port 112a: second cover
113: filter cloth 114: damper cylinder
115: pulse timer cylinder 115a: third cover
120: rotary valve 121: plate
122: slide gate 123: fourth cover
123a: inspection window 130: transfer unit
130a: flow conveyor 130b: screw conveyor
131: tension adjuster 132: fifth cover
133: sixth cover 140: dust collecting tank
141: dam 142: bucket car

Claims (6)

In the bag filter for the four-side scarfing device that collects dust and sludge generated during the scarfing process and discharges clean air,
The bag filter is formed with an inlet through which dust and sludge flow in one side, an exhaust port through which the clean air is discharged, and a filter cloth for adsorbing and collecting the dust and sludge inside. ; A rotary valve disposed under the hopper and opening and closing the hopper; A transfer unit disposed below the rotary valve and transferring the dust and sludge which are detached and discharged from the filter cloth; And a dust collecting tank accommodating the dust and sludge transported by the conveying unit, and having a dam installed therein to bypass the dust and sludge.
The rotary valve is configured to be connected to the hopper via the plate and the slide gate,
A damper cylinder is installed at each of the inlet and the exhaust port of the hopper, and configured to regulate the flow of fluid.
The transfer unit may include a pair of flow conveyors for transferring the dust and sludge discharged from the plurality of hoppers in opposite directions, and the dust and the dust disposed under the pair of flow conveyors and transferred from the flow conveyor. Bag filter for four-sided scarfing device characterized in that it comprises a screw conveyor for transporting the sludge to the dust collection tank.
The method of claim 1,
The inlet opening is provided with a first cover that is opened and closed through a hinge coupling, and the exhaust port is provided with a transparent second cover to cover the damper cylinder, characterized in that for the four-sided scarfing device.
The method of claim 1,
Dust adsorbed to the filter cloth is desorbed in a pulse jet method by a pulse timer cylinder disposed on one side of the hopper,
3. The back filter for the four-sided scarfing device, characterized in that the third cover is installed on the upper portion of the pulse timer cylinder.
The method of claim 1,
The rotary valve
A sprocket connected to the motor, and
It is formed including a chain connected to the sprocket,
The sprocket and the chain are covered by a fourth cover, wherein the fourth cover is provided with a check window for exposing the inside, characterized in that the back filter for the four-side scarf device.
delete The method of claim 1,
The tension adjusting device for adjusting the tension of the flow conveyor is covered by a fifth cover that is opened and closed through a hinge coupling, and the screw conveyor is covered by a sixth cover.

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