KR100826316B1 - Screen equipment of wastewater disposal plant - Google Patents

Abstract

The present invention relates to a square pulley type of impurities removal apparatus for separating the contaminants in the waste water in the wastewater treatment facility for wastewater purification treatment.

The present invention employs a drive means consisting of a curved bar screen that circulates between two rectangular drum pulleys, so that the overall structure of the device can be simply manufactured and installed without the need for peripheral equipment. In addition to reducing the cost and effort required, by adopting the transmission structure between the square drum pulley and the curved bar screen, it is possible to completely eliminate the problem of jamming in the long-term use, thereby overloading the drive means The present invention provides an apparatus for removing impurities of a wastewater treatment plant, which can solve a problem of malfunction and improve treatment efficiency related to removal of impurities.

Wastewater, wastewater treatment equipment, contaminant removal device, curved bar screen, square drum pulley

Description

Square pulley type debris removal device {Screen equipment of wastewater disposal plant}

1 is a perspective view showing the main structure of the contaminant removing apparatus according to the present invention

Figure 2 is a cross-sectional view showing a connection structure of the curved bar screen in the contaminant removal device according to the present invention

Figure 3 is a side view showing the installation state of the impurities removing device according to the present invention

Figure 4 is a perspective view showing another embodiment of the contaminant removing apparatus according to the present invention
Figure 5 is a side view showing another embodiment of the square drum pulley in the present invention

<Explanation of symbols for main parts of drawing>

10 motor 11: square drum pulley

12: curved bar screen 13: separation of contaminants

14: bar screen guide groove 15: spacing bar

16: drive shaft 17: drive chain

18: drive sprocket 19: bracket

20: stepped portion

100 frame 110: miscellaneous material conveying conveyor

120: inflow channel 130: inflow channel structure

The present invention relates to an apparatus for removing a contaminant that separates contaminants in waste water in a wastewater treatment facility for wastewater purification treatment, and more specifically, by adopting a driving means using a curved bar screen and a square drum pulley, By completely eliminating this jamming problem, not only is it easy to manufacture and install, but it also reduces the cost and effort of maintenance and management due to less troubles. In particular, it prevents malfunctions due to overload of the driving means. The present invention relates to a square pulley-type debris removal device of a wastewater treatment plant, which can improve related treatment efficiency.

In general, a wastewater inflow portion of a wastewater treatment facility for purifying wastewater is provided with a debris removal device for separating various foreign matters or particulate impurities of a predetermined size contained in the wastewater before purifying the wastewater.

In general, the debris removal device is configured to discharge the debris caught on the screen by operating a circular screen installed vertically across the flow path by the power of a motor. In this case, a chain and a sprocket are used as a driving means. Mostly.

However, in the case of existing debris removal devices, specially designed chains or sprockets have to be applied due to the special characteristics of operating under bad conditions in wastewater, and the overall structure is complicated and manufactured, such as a separate frame structure for supporting the chains. And there is a disadvantage that the installation is difficult, there is a problem that a lot of cost and effort, such as maintenance due to frequent failures.

In particular, long-term use of the contaminants in the chain or sprocket often leads to overload of the drive means, resulting in a malfunction or failure throughout the device, which greatly reduces the efficiency of processing of the contaminants due to shutdown have. In addition, when the device is used for a long time in the form of a screen, the foreign matter is caught in the upper device by the debris removal means in the process of filtering the contaminants to the upper portion.

Accordingly, the present invention has been made in view of such a problem, and by adopting a drive means consisting of a curved bar screen circulating between two square drum pulleys, the overall structure of the device can be simply manufactured and It is an object of the present invention to provide a square pulley-type debris removal device of a wastewater treatment facility, which can be installed and has a low occurrence of troubles, thereby reducing the cost and effort of maintenance and management.

In addition, another object of the present invention by adopting a transmission structure between the square drum pulley and the curved bar screen, it is possible to completely eliminate the problem of trapping of the contaminants even during long-term use, thereby preventing the malfunction caused by the overload of the drive means It is to provide a square pulley type of debris removal device of a wastewater treatment plant that can solve the problem and improve the treatment efficiency related to the removal of the debris.

In addition, in the present invention, if the arrangement of the bar-shaped screens in a plurality of rows and then arranged the side of each of the removal of the contaminants in a vertical line, because the contaminants are transported only vertically, not in the width direction, the driving means is not obstructed at all and removes the contaminants. The present invention provides a rectangular pulley type of debris removal device for wastewater treatment equipment.

The present invention for achieving the above object is installed in the inlet water inlet portion of the wastewater treatment equipment to remove the contaminants, each side is arranged in parallel with the bottom of the inlet and the top of the outside while being driven by the power of the motor At least two rows of side-by-side curved bar screens connected between the drum pulley and the upper and lower angular drum pulleys and configured in a plurality of link bar combinations, and connected across the curved bar screens to bend the curved bar. It proceeds with the screen is characterized in that it comprises a contaminant separating means for pulling the contaminants in the waste water outwards.

In addition, in the inlet water inlet portion of the wastewater treatment equipment is installed in the apparatus for removing contaminants, the two angular drum pulleys are arranged side by side on the bottom and the upper outside of the inlet flow path driven by the power of the motor, and the upper and lower corners It is connected between the drum pulleys and is circulated and consists of a plurality of link bar combinations of side-by-side curved bar screens. Vertically proceeding is characterized in that it comprises a contaminant separating means for pulling the contaminants in the wastewater outwards.

In addition, the angular drum pulley is characterized by consisting of a long drum shape of a polygon, including a square, pentagonal, hexagonal, octagonal.

In addition, the angular drum pulley is characterized in that it comprises at least two bar screen guide grooves continuously formed along the circumference to maintain the gap between the curved bar screen.

In addition, the curved bar screen is characterized by consisting of a band structure constituting a closed curve by connecting a plurality of link bars having a length corresponding to the length of one side of the rectangular drum pulley in a row.

In addition, the curved bar screen is characterized in that it further comprises a plurality of spacing bar to maintain the gap between the bar screen while being connected across the bar screen on both sides.

The contaminant separating means may be any one of a rake, a screen filter (perforated network), and a plate filter (perforated plate).

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing the main structure of the contaminant removing apparatus according to the present invention.

As shown in FIG. 1, the contaminant removing device includes two rectangular drum pulleys 11, at least two rows of curved bar screens 12 connected between the rectangular drum pulleys 11, and a rectangular drum pulley 11. It is composed of a motor (10) for the operation of the operation, and the contaminant separating means (13) which is installed over the front of the curved bar screen (12) to substantially separate the contaminants and discharge them out.

The square drum pulley 11 is a part for operating the curved bar screen 12, and has a long drum-shaped pulley having a polygonal cross-sectional structure with a predetermined length and diameter, and has a central drive shaft 16. It is installed in a structure that is rotated using.

The angular drum pulley 11 can apply not only an octagon but also various polygonal shapes such as rectangles, pentagons, hexagons, etc. as shown in (a), (b), and (c) in FIG. If it is not smooth and the angle is too large, slip is generated and accurate power transmission is difficult. Therefore, it is preferable to apply any one of a pentagon, a hexagon, and an octagon.

The two square drum pulleys 11 are arranged side by side at the top and bottom of the inflow channel 120, one of the bottom is disposed at the bottom of the inflow channel 120 is separated from the wall surface of the inflow channel structure 130 or separate Both ends of the drive shaft 16 are supported by a support bracket (not shown) and installed in a rotatable structure in an idle state. The upper one is disposed outside the inflow channel 120 to be described later (for example, For example, both ends of the drive shaft 16 are supported on the frame for installation of the motor, and are rotatably installed under the motor side power.

At this time, the drive shaft support portion of the square drum pulley 11 is preferably equipped with a rotational auxiliary means such as a bearing.

In particular, the square drum pulley 11 installed on the outside is a portion driven directly by the power of the motor 10, for this purpose, one end of the drive shaft 16 is equipped with a drive sprocket 18, which is a motor 10 Is connected to the other drive sprocket 18 mounted on the shaft of the motor and the transmission means, for example, the drive chain 17. When the motor 10 operates, the drive chain 17 and the drive sprocket 18 The square drum pulley 11 can be rotated by the electric action of the).

Here, in addition to the chain and sprocket, a transmission medium such as a belt and a pulley can be applied.

The motor 10 is a power source for operating the square drum pulley 11, is installed by using the frame 100 is built on the inflow channel structure 130, the appropriate capacity according to the size of the equipment applied can do.

In addition, the angular drum pulley 11 is provided with a bar screen guide groove 14 for smoother towing of the curved bar screen 12, the bar screen guide groove 14 of the rectangular drum pulley 11 The bar screen guide groove 14 is formed in a shape that is continuously cut along a circumferential surface to a depth and width corresponding to the thickness and width of the link bar constituting the curved bar screen 12, for example. It is possible to guide the curved bar screen 12 to be inserted into the correct trajectory.

Here, the application is possible as long as it can hold both sides of the curved bar screen, such as a wall structure of two rows of protrusions in addition to the groove structure for guiding the curved bar screen 12.

The bar screen guide groove 14 is provided with two lines for maintaining a predetermined interval for the two rows of curved bar screen 12, in case the additional row of the curved bar screen 12 is further increased in preparation. Multiple lines can be provided.

The curved bar screen 12 serves as a kind of conveyor chain, and has a form in which a plurality of link bars are combined in a line.

For example, as shown in Figure 2, provided with a plurality of link bars having a constant length, and nested step portion 20 of each of the link bars adjacent to each other, then fastening the overlapping connection at this time with a pin or the like It can be produced in a band structure constituting a closed curve as a whole by connecting in a way.

The curved bar screen 12 is connected in a structure that spans the upper and lower angular drum pulleys 11 to be movable together when the rectangular drum pulley 11 is rotated.

In particular, the length of one link bar constituting the curved bar screen 12 is a length corresponding to the length of one side of the square drum pulley 11, and thus the curved bar screen 12 is a square drum pulley ( In the state assembled in 11), one link bar is applied to each side of the polygon and it can be operated in a rotating manner.

Such a curved bar screen 12 is usually provided with two rows in one facility, the number of the rows can be adjusted according to the size and shape of the facility.

In addition, the curved bar screen 12 is provided with a plurality of gap maintaining bars 15 connected across the bar screens on both sides, wherein the gap maintaining bar 15 is a curved bar screen 12 ) To maintain the gap between

Here, the two rows of curved bar screens 12 are guided by the bar screen guide grooves 14 of the square drum pulleys 11, respectively, but the distance between them can be sufficiently maintained, but the length, vibration, impact, etc. of the equipment can be maintained. In view of the above, it may be considered that the spacing bar 15 is preferably provided.

Substantially separating the contaminants is the role of discharge of the contaminant separating means (13).

The contaminant separating means 13 may use a conventional rake, a screen filter (perforated net), a plate filter (perforated plate), and the like, and cover the area between two rows of curved bar screens 12 while circulating the entire length. It is installed in a form arranged over.

Usually, the contaminant separating means 13 may be installed in a structure that is fastened using the bracket 19 of the curved bar screen 12, and the installation method of the contaminant separating means 13 is conventionally known in the art. Any known method is not particularly limited and may be adopted.

Figure 3 is a side view showing the installation state of the debris removal device according to the present invention.

As shown in Figure 3, the contaminant removal device of the present invention is a wastewater treatment facility of various types of wastewater treatment facilities, for example, wastewater treatment facilities including treatment processes such as denitrification process, anaerobic process, anoxic process, aerobic process, and the like. Installed in the first inlet, where the wastewater after the removal of the contaminants is discharged to the final treated water after a predetermined subsequent process.

Such a debris removal device is installed vertically in a structure that blocks the flow of influent from the front in the space formed by the inflow passage 120 and the inflow passage structure 130 for wastewater inflow and flow, and the top of the impurities contained in the wastewater After pulling up to serve as a transfer to the contaminant conveying conveyor 110 is provided to the upper back of the inlet passage structure 130, the contaminant is carried out to the outside through the contaminant conveying conveyor 110 is finally processed.

Operation of the contaminant removal device starts from the operation of the motor 10.

When the motor 10 is operated, two square drum pulleys 11 and the curved bar screens 12 assembled therebetween are connected to each other by sprockets and a chain transmission structure, and are caught by the dust removal means 13. Various contaminants in the wastewater are discharged while being pulled upwards, and continue to naturally collect over the top of the contaminant transport conveyor 110 and sent to the treatment plant.

At this time, since each link bar of the curved bar screen 12 is pulled while being caught in the form of biting on each side of the square drum pulley 11, the curved bar structure is formed by the rotation of the square drum pulley 11. The mechanism by which the type | mold bar screen 12 continues to operate is attained.

In addition, the link bar of a certain length is formed on the polygonal surface of the square drum pulley 11 having a relatively large diameter, not the driving mechanism between the interlocking chains while forming a narrow gap with a sprocket having a fine tooth as before. Since the driving mechanism is generous as it is jammed, it is possible to completely eliminate problems such as trapping of impurities between each member.

One embodiment of the present invention described above is merely to describe a preferred embodiment of the present invention and does not limit the technical scope of the present invention. That is, the present invention may be modified in various ways within the technical idea, and FIG. 4 shows another embodiment.

That is, in one embodiment of the present invention as described above, the debris separating means 13 made of a rake, a screen filter (perforated net), a plate filter (perforated plate), and the like cross between the curved bar screens 12. In the case of the installation, the debris is often caught in the pulley or the driving means because the debris is continuously filtered in the width direction.

Accordingly, in another embodiment of the present invention, the curved bar screens 12 are arranged side by side in a plurality of rows and vertically aligned with the plurality of bar screens 12 in order to completely eliminate the trapping of contaminants in the apparatus. By combining and discharging the contaminants in the vertical direction only, it is possible to completely eliminate the trapping of the contaminants in the device and the driving means.

As described above, the present invention provides a device for removing a contaminant including a driving means composed of a square drum pulley and a curved bar screen, so that the overall structure of the device can be manufactured and installed in a simple manner. It has the advantage of reducing the cost and effort of management, and above all, it is possible to completely eliminate the problem of contaminants caught in long-term use, so as to solve the problem of malfunction caused by the overload of the driving means, thereby improving the processing efficiency related to the removal of the contaminants. There is an effect that can be improved.

Claims (7)

In the apparatus for removing contaminants, which is installed in the inlet of the wastewater treatment plant, Two square drum pulleys 11, which are arranged side by side on the bottom of the inflow channel and the outside of the upper side, respectively, driven by the power of the motor 10, and connected between the upper and lower square drum pulleys 11 and circulating, At least two rows of side-by-side curved bar screens 12 in the form of link bar combinations and the connection between the curved bar screens 12 are installed along with the curved bar screens 12 to collect contaminants in the wastewater. Square pulley-type dirt removing device, characterized in that it comprises a fine matter separating means (13) leading to the upper outside. In the apparatus for removing contaminants, which is installed in the inlet of the wastewater treatment plant, Two square drum pulleys 11, which are arranged side by side on the bottom of the inflow channel and the outside of the upper side, respectively, driven by the power of the motor 10, and connected between the upper and lower square drum pulleys 11 and circulating, A plurality of rows of side-by-side curved bar screens 12 formed in a combination of link bars and a plurality of rows of bar screens 12 are formed in a vertical row and rakes are coupled side by side to form a vertical bar with the curved bar screens 12. Square pulley-type scrubber removal device characterized in that it comprises a contaminant separating means (13) to pull the contaminants in the waste water to the outside. Apparatus according to claim 1 or 2, wherein said rectangular drum pulley (11) is a polygonal elongate drum removal device, characterized in that consisting of a long, elongated drum shape including a square, pentagonal, hexagonal, octagonal. The method according to claim 1 or 2, wherein the square drum pulley (11) comprises at least two rows of bar screen guide grooves 14 are formed continuously along the periphery for maintaining the spacing between the curved bar screen (12) A rectangular pulley type dust removal device characterized in that. The method of claim 1 or 2, wherein the curved bar screen 12 is formed of a band structure constituting a closed curve by connecting a plurality of link bars having a length corresponding to the length of one side of the rectangular drum pulley 11 in a row A rectangular pulley type dust removal device characterized in that. The method according to claim 1 or claim 2, The curved bar screen 12 is characterized in that it further comprises a plurality of gap maintaining bars 15 for maintaining the distance between the bar screen while being connected across the bar screen of both sides Angular pulley type dust removal device. The method of claim 1, wherein the contaminant separating means (13) is a square pulley-type complex remover, characterized in that any one of a rake (Rake), a screen filter (perforated network), a plate filter (perforated plate).

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