KR100778801B1 - A round screen for regulating gap and a equipment using it for saperating particle - Google Patents

Abstract

A round screen and an apparatus for separating particles are provided to control a gap between neighboring wings of the round screen easily, by interlocking wings, which are rotatively installed between a pair of fixing frames, with saw-teeth of a pair of operating frames so that the gap is controlled by rotating the operating frames. A round screen comprises a pair of fixing frames(110), a plurality of wings(130) positioned between the fixing frames, and a pair of operating frames(120) positioned inside respective fixing frames. Each of the fixing frames has a circle plate with a hollow portion(114), and a plurality of rotating holes(111) formed around the hollow portion. Each of the wings has rotating protrusions(131) formed at both ends thereof, wherein the rotating protrusions are inserted into the rotating holes. Each of the operating frames has a circle plate with a hollow portion(124), and a plurality of saw-teeth(121) formed on an inner periphery of the hollow portion. The saw-teeth of the operating frame are inserted into both ends of the wing.

Description

AROUND SCREEN FOR REGULATING GAP AND A EQUIPMENT USING IT FOR SAPERATING PARTICLE}

1 is a perspective view showing a prior art,

Figure 2 is a perspective view showing a basic example of the clearance adjusting circular screen of the present invention,

3 is an exploded perspective view of the present invention shown in FIG.

4 is a perspective view showing a wing which is one component of the present invention shown in FIG.

5a and 5b is a plan view showing an operating state of the present invention shown in FIG.

Figure 6 is a perspective view of the incision showing the particle separation device using the clearance control circular screen of the present invention,

7 is a plan view showing an operating state of the present invention shown in FIG.

Figure 8 is a side cross-sectional view showing an operating state of the present invention shown in FIG.

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

100: clearance adjustment circular screen 110: fixed frame

120: operating frame 130: wing

200: flow chamber 300: filtration chamber

The present invention relates to a circular screen capable of adjusting the gap and a particle separation apparatus using the same. By interlocking with the teeth of the plurality of wings integrally by the rotation of the operation frame is able to change the inclination as the inclination changes, the gap is easy to adjust the construction even according to the local characteristics of the factory, easy to clean the screen It relates to a screen that is easy to clean by increasing the time gap and a particle separation device using the same.

Generally, pollutants that cause water pollution are classified into point sources and nonpoint sources. Point sources refer to facilities that discharge pollutants to certain points, such as factories, sewage treatment plants, and buildings, and nonpoint sources are unspecified in unspecified places. It refers to cities, roads, farmland, and mountainous areas that emit pollutants.

The method of removing pollutants emitted from the pollutant as described above has been proposed in various ways, such as chemical methods, biological methods, physical methods.

In the dual physical method, the main purpose is to remove suspended solids. As a method of removing the suspended solids, various methods have been proposed. Among them, a method of removing foreign substances by a screen is also frequently used.

Conventionally used water treatment screens are known as bar-type screens using a plurality of vertical rods and drum-type screens in which annular rings are continuously installed. In the case of these conventional bar-screens, a plurality of round rods are arranged at regular intervals. The welding or screwing process takes a long time to uniformly construct the spacing of each bar, and in particular, there is a problem that the spacing between the bars cannot be adjusted in consideration of regional characteristics by the factory manufacturing.

In addition, although the perforated plate and the mesh net may be used as the screen material, this also has the same problem as described above.

In order to solve this problem, Utility Model Registration No. 0138917, "Automatic Bar Screen Device for Wastewater Treatment," shows a plurality of screen bars having a ladder cross section at upper and lower sloped openings of the main body by fastening rings fastened to the bottom bar. After inserting the support rod to maintain a predetermined distance to the installed bar, and then tighten the nut by screwing the ends of the support bar to the screen bar to maintain the state that the fastening rings are fitted to the support bar to propose a means for configuring the screen, According to the present technology, the gap can be adjusted by changing the width of the washer or fastening ring, but in order to adjust the gap of the screen, it is necessary to disassemble a plurality of screen bars and to reassemble by adjusting the width of the washer or fastening ring. There is a troublesome problem.

In the meantime, a swirl type is a typical device used as a non-point source treatment facility. Swirl type is a solid material such as sedimentary suspended matter and flotation material by using hydrocyclone and vortex. It is a facility that separates particles from rainwater, etc., which requires no power and is easy to maintain, and has the advantage of no energy consumption because it uses the flow characteristics of the fluid.

As a swirl-type nonpoint source treatment facility, Patent Registration No. 10-537798, "Non-point source removal apparatus using hydrodynamic filtration separation method," as shown in Figure 1, a cylindrical swirl flow chamber 10 for rotating the influent, The inlet part 20 formed at one side of the swirl flow chamber 10 and the inflow water flows therein, the filter chamber 30 extending from the swirl flow chamber 10 and the filter chamber 30 formed above the swirl flow chamber 10, and the filter. A filter cartridge 40 mounted therein in the chamber 30, a filter 50 accommodated in the filter cartridge 40, and a treatment water discharge part 60 formed at one side of the filter chamber to discharge treated water. ), A central axis 70 for supporting the filter cartridge and removing air bubbles, a float trap 80 installed at one side of the filter chamber and discharging the suspended matter in the treated water to the outside, and formed at an upper edge of the upper side of the filter chamber. Overflow inflow in case of emergency Key suggests a non-point sources removing apparatus consisting of a overflow outlet part 90. The However, even if the filter mounted inside the filter chamber 30 is by the cartridge 40, the non-point source of the initial excellent rain contains particles having various shapes and sizes and specific regions (golf fields, mountainous regions, farmland, Industrial complexes, etc.) may contain a large amount of particles having a certain size and specific gravity, so that the size of the treated particles cannot be adjusted according to the characteristics of the treated area.

Therefore, an object of the present invention for solving the above-mentioned problems is easy to adjust the gap of the screen, even if the factory manufacturing by considering the characteristics of the area, freely adjustable gap screen and the treatment of non-point source using the same It is to provide a particle separation device that can be.

In order to achieve the above object, the clearance adjusting circular screen of the present invention comprises a pair of disk-shaped disks forming a hollow, and a hollow frame having a plurality of rotating holes formed around the periphery, and positioned between each of the fixed frames. Rotating protrusions inserted into the rotating holes are formed on both ends and a plurality of wings, each pair is formed on the inner surface of the fixed frame, the disk shape to form a hollow, both ends of the blade is inserted into the hollow inner circumference It is characterized by consisting of a working frame formed with a plurality of teeth.

On the other hand, the particle separation device using the gap control circular screen of the present invention to achieve the above object, the inflow water flows through the circulating chamber, the inlet tube formed on one side of the circulating chamber, the source of contamination formed on the bottom of the circulating chamber An outlet portion, a filtration chamber formed at an upper portion of the circulating chamber, a treated water outlet pipe formed at one side of the filtration chamber, a chamber membrane partitioning the circulating chamber and the filtration chamber, and formed in the chamber membrane, The gap adjusting circular screen may be configured to communicate with the circulating chamber so that the influent flowing in the circulating chamber is introduced to allow the influent to be filtered into the filtration chamber.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

Figure 2 is a perspective view showing a basic example of the clearance adjusting circular screen of the present invention, Figure 3 is an exploded perspective view of the present invention shown in Figure 2, Figure 4 is a wing of one component of the present invention shown in Figure 2 5a and 5b is a plan view showing an operating state of the present invention shown in Figure 2, Figure 6 is a cutaway perspective view showing a particle separation device using a clearance control circular screen of the present invention, Figure 7 6 is a plan view showing an operating state of the present invention shown in Figure 6, Figure 8 is a side cross-sectional view showing an operating state of the present invention shown in FIG.

Gap control circular screen 100 of the present invention is composed of a fixed frame 110, the operating frame 120, the wing 130 is fixed frame 110 as the operating frame 120 is rotated in the fixed frame 110 By rotating the plurality of wings (130) fastened so as to rotate integrally relates to a screen in which the clearance is adjusted while changing the inclination of the wings (130).

The basic example of the present invention is shown in Figures 2 and 3, when explaining the components in detail, first, the fixed frame 110 is composed of a pair of disks to form a hollow 114, respectively, Can be. The fixing frame 110 has a rotating hole 111 is formed in the periphery of the hollow 114, the rotating protrusion 111 is inserted into the rotating hole 111 is formed at both ends of the wing 130 to be described below. The wing 130 is fastened so as to be rotatable between the pair of fixed frames 110.

The operating frame 120 may be configured in a pair of disks, each of which forms a hollow shape 124. The pair of operating frames 120 are respectively installed on the inner surfaces of the pair of fixed frames 110 and fastened to be rotatable. Such fastening is performed with the first support frame 140 to be described below. It is fastened by the second support frame 150.

A plurality of teeth 121 are formed at the inner circumference of the hollow 124, and both ends of the blade 130 are inserted into the teeth 121, that is, one side of the insertion end 132 which will be described below. As the teeth 121 are configured, the plurality of wings 130 coupled to the teeth 121 according to the rotation of the operation frame 120 are coupled to the fixed frame 110 so as to be rotatable. It will rotate integrally.

In addition, in the present invention, a plurality of slide protrusions 122 are configured on the operation frame 120 to control the rotation angle of the operation frame 120 and the rotation angle of the operation frame 120 on the fixed frame 110. In the fixed frame 110, a slide hole 112 into which the slide protrusion 122 may be inserted and slid may be formed in the circumferential direction. In addition, the operation frame 120 may be configured with an operating lever 125 on the outer periphery so that the user can easily rotate the operation.

In addition, the gap control circular screen 100 of the present invention, the first support frame 140 and the second support frame 150 between the pair of fixed frame 110 and the pair of operation frame 120, respectively ), Which is described in more detail, constitutes a first fastening protrusion 141 at both ends of the first support frame 140, and a first fastening groove 113 opposite to the fixed frame 110. The first fastening protrusion 141 is fastened by the method of inserting into the first fastening groove 113, and the second fastening protrusion 151 is formed at both ends of the second support frame 150, and the operation frame 120 is provided. ) And a second fastening groove 123 opposite to each other so that the second fastening protrusion 151 is inserted into the second fastening groove 123. Shapes of the first support frame 140 and the second support frame 150 may be configured in various ways. In FIG. 2 and FIG. 3, for example, a plate shape is illustrated. In addition, the first support frame 140 and the second support frame 150 may be configured to cross each other to firmly support the fixed frame 110 and the operation frame 120, for example, Figures 2 and 3 4 illustrates an example in which four first support frames 140 are configured in every 90 degree direction and four second support frames 150 are arranged between the first support frames 140. In this configuration, as the operating frame 120 is rotated, the second supporting frame 150 which is integrally interlocked also rotates, and the pair of operating frames 120 are firmly formed by the second supporting frame 150. It can be interlocked integrally.

The wing 130 is a flat rod-like configuration in which both ends are inserted (engaged) in the tooth 121, the wing 130 is formed with a protruding rib 133 in the longitudinal direction, as shown in FIG. Inserts 132 having a flat shape are formed at both ends, and rotation protrusions 131 are configured to protrude from each insertion end 132. The protruding rib 134 is formed in a shape bent by the letter "V" as shown in FIGS. 4, 5A, and 5B, by partially cutting and bending a portion where the insertion end 132 and the protruding rib 133 contact each other. This shape is to be manufactured. This configuration is to reinforce the strength of the wing 130, in particular the bending (bending) occurs in the middle portion of the wing 130 by the flow rate can be prevented that the gap control operation of the wing 130 is prevented, the gap The degree of adjustment is to be finely adjusted as shown in Figures 5a and 5b. In addition, since the insertion end 132 having a flat shape is formed at both ends of the blade 130, the insertion end 132 is inserted into the tooth 121 mentioned above.

On the other hand, when the operating state of the clearance adjusting circular screen 100 of the present invention will be described with reference to Figures 5a and 5b, Figure 5a by rotating the operating frame 120 so that each wing 130 to face the centrifugal This shows a state where the gap is enlarged, thereby making it easier to clean the gap between the wing and the wing, that is, the gap.

In addition, FIG. 5B illustrates a state in which each wing 130 is laid down and inclined while rotating the operation frame 120 (counterclockwise) to minimize the gap, and thus the slide protrusion of the operation frame 120. 122 is a state located at the end of the slide hole 112 of the fixed frame 110, one side of the insertion end 132 of the blade with the rotation projection 131 of the blade 130 is the operation frame 120 As the working frame 120 rotates counterclockwise in the state of being engaged with the teeth 121, the respective blades 130 are rotated counterclockwise. In addition, in the "V" shaped ribs 133 of each of the wings 130, it is preferable to mount the mountain portion counterclockwise, that is, facing in the opposite direction of the water flow direction W in FIG. 5B. "Because of the shape of the rib 133, the particles mixed in the water do not pass between the wings (gap) and slide in the water flow, and the particles already deposited can be easily released from the water flow. .

In addition, FIG. 5B shows only a state in which the gap is made as small as possible, and by adjusting the rotation of the operating frame 120 in consideration of regional characteristics, the size of particles to be filtered out of the water can be freely adjusted by adjusting the gap between the wings. Will be.

On the other hand, the particle separation device using the gap control circular screen of the present invention, as shown in Figure 6, the inflow water flow back flow chamber 200, the inflow pipe 220 formed on one side of the flow chamber 200, Pollutant source outlet 230 formed on the bottom of the flow chamber, the filtration chamber 300 formed on the top of the flow chamber 200, and the treated water outlet pipe 310 formed on one side of the filtration chamber 300 ), A chamber film 400 that divides the flow chamber 200 and the filtration chamber 300, and a chamber film 400 formed in communication with the flow chamber 200 to communicate with the flow chamber 200. The inflow water flowing in the inflow is characterized in that the clearance adjustment circular screen 100 is configured to filter the inflow water into the filtration chamber (300).

Referring to the components of the particle separation device using the clearance control circular screen of the present invention in detail, the flow chamber 200 is a cylindrical shape in which the influent flows as shown in FIG. The inlet pipe 220 is formed on one side of the flow chamber 200, it will be preferably configured in the tangential direction of the flow chamber 200. In this way, the inflow water into the inlet pipe 220 is circulated in the circulating chamber 200, whereby hydrocyclon and vortex are generated.

In addition, as shown in Figure 6, the lower surface 210 of the flow chamber 200 is preferably formed to form an inclined gradient such that the diameter becomes narrower toward the center, which is a particle descending from the side of the flow chamber side by centrifugal force by the flow (Fig. 8, S1) not only slides easily toward the contaminant outlet 230, which will be described below, but also as the diameter decreases, the flow velocity increases as the diameter decreases. This is to increase the particle size (S2 in FIG. 8) so that the particle can easily flow out to the source outlet 230.

The pollutant source outlet 230 is formed at the center of the lower surface 210 of the flow chamber 200 and is also a conical source collector tube 240 that flows out the filtered particles as a shape of an inverted cone that decreases in diameter downward. ). In addition, a conical induction part 250 protruding from the lower surface 210 of the circulating chamber 200 is formed at an upper portion of the source discharge part 230, and a lower surface of the induction part 250 is the source discharge part 230. It is composed of the same diameter and the upper surface is configured to open the induction hole 252, the induction hole 252 serves to hold the core (C) of the center of the vortex as shown in Figure 8, the conical induction portion 250 It is possible to prevent the particles from flowing back by the shape. In addition, it is preferable that at least one through hole 251 is formed in the induction part 250. The through hole 251 is circumferentially formed at a portion where the induction part 250 is in contact with the lower surface 210 of the flow chamber 200. It is reasonable to be formed in the direction. By forming the through hole 251 in the induction part 250 as shown in FIG. 8, the passages in which the particles S1 moving on the lower surface 210 of the circulating chamber 200 move to the source discharge part 230 are formed. As the through hole 251 is configured in the circumferential direction of the induction part 250, the vortex is generated by the flow of water and particles introduced into the through hole 251, and the induction part 250 and the pollutant source outlet part ( The descending force generated in the core (C) is stronger by the vortex generated in the 230, it is possible to separate the particles (S2) more strongly from the water by this force.

The filtration chamber 300 is configured in a cylindrical shape, but may be configured in a separate space by being configured on the circulating chamber 200, but may be configured integrally in FIG. 6 by the chamber membrane 400 to be described below. It will be divided. The filtration chamber 300 is a space for storing the treated water filtered by the gap control circular screen 100 is configured by the above-described gap control circular screen 100.

A chamber membrane 400 is formed by partitioning the filtration chamber 300 and the flow chamber 200. A gap control circular screen 100 is configured at a central portion of the chamber membrane 400 so that a gap control circular screen ( It is configured to communicate with the flow chamber 200 by the hollow 114 of the fixed frame 110 and the hollow 124 of the operating frame 120 located on the lower surface in 100. The chamber film 400 is preferably configured as a conical shape in which the upward inclination gradient is formed in the center direction, that is, the direction in which the clearance adjusting circular screen 100 is configured. In this way, the treated water passing through the clearance control circular screen 100 is easily discharged to the treated water outlet pipe 310 by the chamber membrane 400, and in the flow chamber 200, the conical chamber membrane 400 is formed. As the diameter increases in the upward direction by), the speed of the return flows due to this shape, so that the flow rate of the influent becomes faster as the speed of return flows in the clearance control circular screen 100.

In addition, it is preferable that the chamber membrane 400 is configured with a cylindrical weir 410 wrapping the gap control circular screen 100 at a predetermined interval. It is possible to prevent the reverse flow into the screen 100.

The treatment water outlet pipe 310 is configured on one side of the filtration chamber 300, and the treatment water filtered through the gap control circular screen 100 is discharged to the outside, and the end of the chamber membrane 400 is treated. The lower surface of the water outlet pipe 310 may be configured to be in contact with each other so that the treated water may be easily discharged to the outside through the treated water outlet pipe 310 on the inclined surface of the chamber membrane 400.

Hereinafter, with reference to Figures 7 and 8 will be described the operating state of the particle separation device using the gap control circular screen of the present invention.

As shown in FIG. 7, the inflow pipe 220 is configured in the tangential direction of the flow chamber 200, so that the water obtained through the inflow pipe 220 naturally forms a flow without any power. As shown in FIG. 8, the movement path of the particles S1 having a specific gravity higher than that of water due to such a flow is moved to the side wall of the flow chamber 200 by centrifugal force and flows through the lower surface 210 of the flow chamber 200. Outflow to the portion 230, but the path to the pollution source outlet 230 is discharged to the induction hole 252 by the suction force of the through-hole 251 or the core (C) of the induction unit 250 is polluted source collection tube 240 To go to.

This flow generates a vortex and a central portion of the vortex is generated at the center of the vortex, which rotates at a speed more than twice the tangential velocity. The core (C) is located on the upper surface of the clearance adjusting circular screen 100. The cavity is connected to the contaminant outlet portion 230 from the hollow 114 of the fixed frame 110 is a portion that generates a strong suction force in the downward direction. Therefore, in the case of the movement path of the particles S2 whose specific gravity is smaller than the water, the particles move toward the water surface by moving to the center by the centripetal force as opposed to the movement path of the particles S1 having the specific gravity larger than the water. It is to be discharged to the source discharge portion 230 by the direction suction force.

In addition, the movement path of the particles (S3) having a specific gravity similar to water is moved according to the flow of water, which flows into the gap control circular screen 100 and floats according to the flow of water, that is, the gap between the plurality of wings 130. The particles eventually reach the core C and flow out to the source outlet 230.

The clearance adjustment circular screen 100 can adjust the clearance by adjusting the inclination of the wing 130 by rotating the operation frame 120 is to freely adjust the size of particles that can be filtered by the clearance adjustment. . In addition, it is possible to facilitate the cleaning by increasing the gap of the wing 130 by adjusting the gap.

In addition, the water passing through the gap control circular screen 100 is the final treatment water flows out through the weir 410 through the treated water outlet pipe 310 formed in the filtration chamber 300 to the outside.

As described above, the particle separation device using the clearance adjusting circular screen of the present invention separates the particles from the water by centrifugal force and gravity by hydrocyclon when the specific gravity of the particles is greater than water through the non-powered flow, If the specific gravity is smaller than water, the particles are separated from the water by using centripetal force and downward suction force by vortex.In the case of particles moving with water because the specific gravity is similar to water, the gap can be adjusted. The particles are separated from the water by a controlled circular screen.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the technical spirit of the present invention. Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification but should be defined by the claims.

The gap control circular screen of the present invention configured as described above has an advantage of freely adjusting the gap in consideration of the characteristics of the region to be installed.

In addition, there is an advantage in that cleaning between the gaps (wing spaces) is facilitated by increasing the gap in cleaning.

On the other hand, the particle separation device using the gap control circular screen of the present invention can not only separate the particles by using hydrocyclon and vortex, but also separate the particles by the screen that can freely control the gap. Since it can be separated from the water according to the specific gravity and size of the particles, there is an advantage.

Claims (9)

A fixed frame composed of a pair and having a circular disk shape having a plurality of rotating holes in the periphery of the hollow; A plurality of wings positioned between each fixed frame and having rotary protrusions inserted into the rotary holes at both ends thereof; Gap control circular screen, characterized in that it consists of a pair of working frames formed on the inner surface of the fixed frame, each of which is formed in a disk shape to form a hollow, both ends of the blade is inserted into the hollow inner peripheral . The method of claim 1, The wing is formed with a protruding rib in the longitudinal direction, both ends of the circular clearance adjusting screen, characterized in that the insertion end of the flat shape is configured. The method of claim 1, A plurality of first support frame is configured between each of the fixed frame, a plurality of second support frame is configured between each of the operation frame is a circular clearance adjusting screen. The method of claim 1, A plurality of slide holes are configured in each of the fixed frames, each of the operation frame is a circular screen, characterized in that the sliding projections that slide in the slide hole is configured. A circulating chamber through which the influent flows; An inlet pipe formed on one side of the flow chamber; A source discharge portion formed on the bottom surface of the flow chamber; A filtration chamber formed at an upper portion of the flow chamber; A treated water outlet pipe formed at one side of the filtration chamber; A chamber membrane partitioning the flow chamber and the filtration chamber; The clearance adjusting screen according to any one of claims 1 to 4, wherein the inflow water flowing in the circulating chamber is formed in the chamber film and communicates with the circulating chamber, and the inflow water can be filtered into the filtration chamber. Particle separation apparatus using a clearance-controlled circular screen, characterized in that. The method of claim 5, Particle separation apparatus using a clearance control circular screen, characterized in that the contaminated induction portion protruding on the lower surface of the flow chamber is formed in the pollutant outlet portion. The method of claim 6, Particle separator using the clearance control circular screen, characterized in that the induction portion is formed with one or more through-holes. The method of claim 5, The chamber membrane is a particle separation device using a clearance control circular screen, characterized in that the upward gradient is formed in the center direction. The method of claim 5, Particle separation apparatus using a gap control circular screen, characterized in that the chamber membrane is configured to wear a wrap around the gap control circular screen at a predetermined interval.

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