KR102026893B1 - Apparatus for cutting trash in water - Google Patents

Abstract

Underwater foreign matter crushing device according to the present invention, the housing having an inner space, coupled to cross the lower side of the inner space having a seating plate formed with an opening; An upper flow passage connected to an upper portion of the side wall of the housing and equipped with a drainage portion; A lower flow passage connected to the bottom surface of the housing and equipped with a water supply; A strainer network formed in a cylindrical shape, the lower end of which is seated on an upper surface of the seating plate, and the upper end of which is seated on a ceiling surface of the housing; A rotating shaft perpendicular to the inside of the strainer network with a rotatable structure; A plurality of paddles coupled to the rotary shaft to be in close contact with an inner surface of the strainer network; And a drive motor for rotating the rotation shaft to rotate while maintaining the paddle in close contact with the inner surface of the strainer network.

Description

Apparatus for cutting trash in water}

The present invention relates to a shredding device for shredding the foreign matter contained in the water, and more particularly, to a foreign matter shredding device that can increase the processing flow rate per unit time and backwash is easy to maintain and repair.

Generally, a pool or sewage contains various foreign substances such as hair, vinyl, and wood chips, and when such foreign substances enter the pump, the pump is damaged and the operation is stopped.

In order to solve this problem, a foreign material cutting device for crushing the foreign matter contained in the water and then flow to the pump has been proposed in various structures.

In the conventionally proposed foreign material cutting device, two or more grinding screws are arranged in parallel on a flow path where water flows so that foreign matters contained in the water are crushed by the grinding screw, or a cutting blade is installed on the flow path where water flows. It is configured to finely cut the foreign matter with the cutting blade.

However, the conventional foreign material cutting device is configured as described above, the flow rate is significantly lowered when the grinding screw or cutting blade is operated, there is a limit to increase the processing flow rate per unit time, when the foreign matter is tangled in the grinding screw or cutting blade, the grinding This can cause the screw or cutting blade not to work properly. Therefore, when the foreign matter is tangled in the grinding screw or cutting blade, it is necessary to clean the grinding screw or cutting blade after disassembling the foreign material cutting device, there is a problem that takes a long time to disassemble and reassemble the foreign material cutting device. .

KR 10-1497052 B1

The present invention has been proposed to solve the above problems, the structure for crushing the foreign matter does not significantly inhibit the flow of water, and the foreign matter laminated therein can be removed without disassembling and assembling the device is easy to use underwater An object is to provide a foreign material crushing device.

Underwater foreign matter crushing apparatus according to the present invention for achieving the above object, the housing having an inner space, coupled to cross the lower side of the inner space having a seating plate formed with an opening; An upper flow passage connected to an upper portion of the side wall of the housing and equipped with a drainage portion; A lower flow passage connected to the bottom surface of the housing and equipped with a water supply; A strainer network formed in a cylindrical shape, the lower end of which is seated on an upper surface of the seating plate, and the upper end of which is seated on a ceiling surface of the housing; A rotating shaft perpendicular to the inside of the strainer network with a rotatable structure; A plurality of paddles coupled to the rotary shaft to be in close contact with an inner surface of the strainer network; And a drive motor for rotating the rotation shaft to rotate while maintaining the paddle in close contact with the inner surface of the strainer network.

The rotation shaft includes a plurality of fastening bars extending in a horizontal direction, and the paddle is formed with an insertion hole into which the end side of the fastening bar is inserted, and the paddles are in close contact with the inner surface of the strainer network. It further comprises a spring for applying the elastic force.

The spring is applied to the coil spring coupled to wrap between the rotation shaft and the paddle of the fastening bar.

The plurality of paddles are arranged radially about the rotary shaft.

The strainer net is made of stainless steel and the paddle is made of engineering plastic.

And a water level sensor for sensing the water level inside the housing, wherein the drive motor is configured to rotate the rotary shaft when the water level inside the housing reaches a preset height.

The seating plate has a shaft fastening hole into which a lower end of the rotary shaft is rotatable, and the opening is radially arranged around the shaft fastening hole.

A first pressure sensor for measuring the water pressure of the lower flow pipe, a second pressure sensor for measuring the water pressure of the upper flow pipe, and a backwash water inlet for supplying backwash water into the housing through the upper flow pipe; And a drain part for discharging the backwash water in the housing through the lower channel, and configured to backwash the strainer network when the pressure of the lower channel is higher than a predetermined range than the pressure of the upper channel. do.

The upper flow channel extends in a horizontal direction, the drain is installed at the end of the upper flow pipe, and the backwash water inlet is installed at a branch branched vertically from the upper flow pipe.

The lower flow channel extends vertically downward, the water supply part is installed at a branch branched horizontally from the lower flow channel, and the drain part is installed at a lower end of the lower flow channel.

Underwater foreign matter crushing device according to the present invention, since the structure for crushing the foreign matter contained in the water does not significantly inhibit the flow of water can increase the processing flow rate per unit time, and stacked inside without disassembly and assembly of the device It is easy to use because it can remove foreign substances.

1 is a schematic diagram of an apparatus for crushing foreign substances in water according to the present invention.
2 is an exploded perspective view illustrating a structure in which a rotary shaft and a paddle are mounted inside the strainer network.
3 is a horizontal cross-sectional view illustrating a structure in which a paddle is connected to a rotating shaft.
4 is a plan view of the seating plate.
5 and 6 is a state diagram used in the foreign matter crushing device according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the underwater foreign matter crushing apparatus according to the present invention.

Figure 1 is a schematic view of the underwater debris crushing device according to the present invention, Figure 2 is an exploded perspective view showing a structure in which the rotating shaft and the paddle is mounted inside the strainer network, Figure 3 shows a structure in which the paddle is connected to the rotating shaft. Fig. 4 is a plan view of the seating plate.

Underwater debris crushing device according to the present invention is very effective to remove the foreign matter contained in the water to prevent the phenomenon that the pump is damaged when the foreign matter contained in the water is introduced into the pump when transferring a large amount of water to the pump The greatest feature of the composition is that it is configured to be easily crushed, but maintained and repaired without degrading the fluidity of the water.

That is, the underwater debris crushing apparatus according to the present invention is formed in a chamber shape having an inner space and coupled to cross the lower side of the inner space, but having a seating plate 110 having an opening 114 formed therein. And an upper flow passage 200 connected to an upper sidewall of the housing 100 and having a drain 210 installed therein, and a lower flow passage connected to a bottom surface of the housing 100 and equipped with a water supply 310. The strainer net 400 is formed in a cylindrical shape, and has a lower end seated on an upper surface of the seating plate 110 and an upper end seated on a ceiling surface of the housing 100, and the strainer net in a rotatable structure. A plurality of paddles, which are vertically erected in the interior of the 400, are formed in a rectangular parallelepiped shape and coupled to the rotary shaft 500 such that one side edge is in close contact with the inner surface of the strainer network 400. 600 and the paddle 600 It is provided with a drive motor 700 for rotating the rotary shaft 500 to rotate while maintaining a state in close contact with the inner surface of the strainer network 400 as a basic component. At this time, the lower end of the rotary shaft 500 is inserted into the rotatable structure in the shaft fastening hole 112 formed in the seating plate 110, it is possible to rotate only by the drive motor 700.

Water supplied from the outside through the water supply part 310 flows into the housing 100 through the lower flow path 300, and then into the strainer network 400 through the opening 114 of the seating plate 110. Inflow. At this time, since the opening 114 is formed only at a portion corresponding to the inner space of the strainer network 400, all the water passing through the opening 114 of the seating plate 110 flows into the strainer network 400. In this case, the opening 114 is preferably radially arranged around the shaft fastening hole 112 so that water can be evenly introduced over the entire inner space of the strainer network 400.

As such, the water introduced into the strainer network 400 may include various foreign materials such as hair, vinyl, wood chips, and the like, so that the strainer network 400 does not allow foreign substances having a predetermined level or more to pass therethrough. To form a mesh bar, the water introduced into the strainer network 400 is first filtered by the strainer network 400 and then discharged to the drain 210 through the upper flow channel 200.

At this time, when foreign matters filtered by the strainer network 400 are accumulated in the strainer network 400, the foreign materials block the holes of the strainer network 400, so that the water does not flow normally. Accordingly, the underwater foreign matter crushing apparatus according to the present invention is configured such that the foreign matters are crushed between the inner surface of the strainer and the paddle 600.

The water introduced into the strainer network 400 flows in a circular shape by the rotation of the rotating shaft 500, and foreign substances contained in the water are in close contact with the inner surface of the strainer network 400 by centrifugal force. At this time, the plurality of paddles 600 in contact with the inner surface of the strainer network 400 is rotated integrally with the rotary shaft 500, the foreign matter in close contact with the inner surface of the strainer network 400 is the strainer network 400 and the paddle After crushing finely between the 600 is passed through the strainer network 400 is discharged to the drain 210.

The foreign matter pulverized between the strainer network 400 and the paddle 600 is split so small that it passes through the strainer network 400, even if the foreign matter discharged through the drain 210 is introduced into the pump, the pump No damage or breakdown will occur. At this time, the smaller the eyes of the strainer network 400, the smaller the size of the foreign matter discharged through the drain 210, the excessively small eyes of the strainer network 400, strainer network 400 is very easy Not only can it be blocked, but the flow rate of water passing through the strainer network 400 can be significantly reduced, the eye size of the strainer network 400, the use and grinding performance of the underwater foreign matter crushing apparatus according to the present invention, such as various specifications It is preferable to select suitably according to conditions.

On the other hand, the strainer network 400 is preferably made of a metal that does not corrode with high durability, such as stainless steel, so as not to be worn or damaged even if the foreign material is crushed for a long time. At this time, if not only the strainer network 400 but also the paddle 600 is made of stainless steel, a large noise is generated in the foreign matter crushing process, and the strainer network 400 and the paddle 600 may be damaged. Therefore, the paddle 600 is preferably made of a high strength synthetic resin, such as engineering plastics.

In addition, a plurality of paddles 600 are mounted on one rotation shaft 500, when the paddle 600 is mounted only on one side of the rotation shaft 500, the rotation shaft 500 does not rotate stably. May be generated. Therefore, the paddle 600 is preferably arranged radially around the rotary shaft 500 as shown in Figs. At this time, the number of mounting and the arrangement angle of the paddle 600 can be freely selected according to various conditions, such as the use of the foreign matter crushing apparatus in the present invention and the size of the paddle 600.

As mentioned above, when the paddle 600 is made of synthetic resin and the strainer net 400 is made of metal, the paddle 600 is worn when the paddle 600 is rubbed with the strainer net 400 for a long time. The paddle 600 may not be pressed against the inner surface of the strainer network 400, thereby degrading the performance of crushing foreign matter.

Therefore, the foreign matter crushing device according to the present invention, it is preferable that the paddle 600 is mounted to be elastically in close contact with the inner surface of the strainer network 400, rather than fixedly coupled to the rotary shaft (500). That is, the rotation shaft 500 includes a plurality of fastening bars 510 extending in a horizontal direction, and the paddle 600 has an insertion hole 610 into which the end side of the fastening bar 510 is inserted. The paddle 600 may be further provided with a spring 620 for applying an elastic force to the paddle 600 in the direction in which the paddle 600 is in close contact with the inner surface of the strainer network 400.

The paddle 600 is mounted so as to be freely movable in the longitudinal direction, that is, the horizontal direction of the fastening bar 510, is configured to elastically close to the inner surface of the strainer network 400 by the spring 620, Even if abrasion is caused by friction with the strainer net 400, it is always possible to maintain a state of being pressed on the inner surface of the strainer net 400.

At this time, the spring 620 to elastically press the paddle 600 to the strainer net 400 to elastically press the paddle 600 to the outside (more specifically toward the inner side of the strainer net 400). If it can, it can be applied to any kind of elastomer. However, the spring 620 is a coil spring that wraps between the rotation shaft 500 and the paddle 600 of the fastening bar 510 to elastically press the paddle 600 along the longitudinal direction of the fastening bar 510 ( 620 is preferably applied. At this time, the spring 620 is mounted in a compressed state between the rotary shaft 500 and the paddle 600, so that the paddle 600 can always be in close contact with the inner surface of the strainer network 400 do.

On the other hand, the foreign material grinding operation of the paddle 600 and the strainer network 400 is effective only when the water in the housing 100 is completely filled. Accordingly, the underwater foreign matter crushing apparatus according to the present invention further includes a full water detector 220 for detecting the water level inside the housing 100, and the driving motor 700 has a predetermined water level inside the housing 100. When the height reaches the height, that is, the water level sensor 220 detects the water level inside the housing 100 as full water, it is preferable to control the rotating shaft 500 to rotate. As described above, the water level sensor 220 for detecting the water level is commercially available in various structures in the art, and a detailed description of the internal structure and operation principle of the water level sensor 220 will be omitted.

Even if the paddle 600 and the strainer network 400 crush the foreign matter very finely, if a long time passes, the strainer network 400 may be clogged with foreign matter. As such, when the strainer network 400 is blocked by foreign matter, the water supplied into the strainer network 400 may not be discharged smoothly, and thus the strainer network 400 needs to be washed.

In this case, when the strainer network 400 is cleaned after disassembling all of the housing 100, the strainer network 400 may not only take a long time to clean, but also remove foreign substances in the water while disassembling and reassembling the housing 100. There is a problem that it can not be crushed.

Accordingly, the foreign matter crushing device according to the present invention may be configured to clean the strainer network 400 in a backwashing manner without disassembling the housing 100. That is, the underwater foreign matter crushing apparatus according to the present invention includes a first pressure sensor 810 for measuring the water pressure of the lower flow path pipe 300, and a second pressure sensor for measuring the water pressure of the upper flow path pipe 200 ( 820, a backwash water inlet 230 that supplies backwash water into the housing 100 through the upper flow passage 200, and an inside of the housing 100 through the lower flow passage 300. It may be configured to include a drain 320 for discharging the backwash water.

When the strainer network 400 is blocked, the water pressure of the water supply side (lower flow path 300) is higher than the water pressure of the water drainage side (upper flow path 200), measured by the first pressure sensor 810. If the received water pressure is higher than the water pressure measured by the second pressure sensor 820 by a predetermined level or more, it is determined that the strainer network 400 is blocked and performs backwashing.

The process of backwashing in the process of crushing foreign matter in water will be described in detail with reference to FIGS. 5 and 6.

5 and 6 is a state diagram used in the foreign matter crushing device according to the present invention.

When the foreign matter contained in the water is to be crushed by using the foreign matter crushing apparatus according to the present invention, water is supplied into the housing 100 through the water supply unit 310 as shown in FIG. 5. The water supplied into the housing 100 passes through the opening 114 of the seating plate 110, flows into the strainer network 400, and foreign substances are filtered while passing through the strainer network 400. And through the drain 210.

At this time, the upper passage pipe 200 is extended in the horizontal direction so that the water passing through the strainer network 400 more smoothly and the drain 210 is at the end of the upper passage pipe 200. It is preferred to be installed. In this case, the backwash water inlet 230 is preferably installed at a branch branched vertically from the upper flow pipe 200 so as not to be significantly affected by the flow pressure of the water discharged along the upper flow pipe 200. .

On the other hand, when the strainer network 400 is blocked to a certain level or more and the flow of water and foreign matter crushing is not made normally, the underwater foreign matter crushing apparatus according to the present invention is a backwashing process to remove the foreign matter blocking the strainer network 400 Will perform.

That is, when the water pressure of the lower flow path 300 is higher than the water pressure of the upper flow path 200 in a predetermined range or more, it is determined that the strainer network 400 is blocked, and as shown in FIG. The backwash water is supplied into the housing 100 through the inlet 230.

The backwashing water supplied into the housing 100 removes the foreign matter blocking the strainer network 400 while passing through the strainer network 400 from the outside to the inside, and the foreign matter removed by the backwashing water is vertically downward along the backwashing water. Is discharged to the outside through the drain 320.

At this time, so that the foreign matter passing through the seating plate 110 can be discharged more quickly and smoothly, the lower flow path 300 extends vertically downward and the drain 320 is at the lower end of the lower flow path (300) It is preferred to be installed. In addition, the water supply part 310 is installed at a branch branched horizontally from the lower flow path 300 so as to prevent the foreign substances passing through the lower flow path 300 to flow into the water supply portion 310 side. desirable.

As mentioned above, although this invention was demonstrated in detail using the preferable Example, the scope of the present invention is not limited to a specific Example and should be interpreted by the attached Claim. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

100 housing 110 mounting plate
112: shaft fastening hole 114: opening
200: upper flow pipe 210: drain
220: full water detector 230: backwash water inlet
300: lower flow channel 310: water supply
320: drain 400: strainer network
500: rotating shaft 510: fastening bar
600: paddle 610: insertion hole
620: spring 700: drive motor
810: first pressure sensor 820: second pressure sensor

Claims (10)

A housing having an inner space and coupled to cross the lower side of the inner space, the housing having a seating plate having an opening;
An upper flow passage connected to an upper portion of the side wall of the housing and extending in a horizontal direction, the drain passage being mounted at an end thereof;
A lower flow path pipe connected to the bottom surface of the housing and extending vertically downward, a drain part being installed at a lower end, and a water supply part mounted at a branch branched horizontally from the middle portion of the housing;
A strainer network made of stainless steel and formed in a cylindrical shape, the lower end of which is seated on an upper surface of the seating plate, and the upper end of which is seated on a ceiling surface of the housing;
A rotating shaft vertically erected inside the strainer network with a rotatable structure and having a plurality of fastening bars extending in a horizontal direction;
Is formed in the shape of a rectangular parallelepiped made of engineering plastic radially arranged around the rotation shaft, the entire edge of one side is coupled to the rotation shaft to be in close contact with the inner surface of the strainer network, the end side of the fastening bar is inserted A plurality of paddles having insertion holes; And
A drive motor for rotating the rotation shaft such that the paddle rotates while maintaining a state in which the paddle is in close contact with the inner surface of the strainer network;
A spring formed in a coil spring shape coupled to surround the rotation shaft and the paddle among the fastening bars, the spring applying an elastic force to the paddle in a direction in which the paddle is in close contact with an inner surface of the strainer network;
A first pressure sensor measuring a water pressure of the lower flow channel;
A second pressure sensor for measuring the water pressure of the upper flow channel;
A backwash water inlet unit installed at a branch branched from the upper side flow pipe in a vertical direction to supply backwash water to the inside of the housing through the upper side flow pipe;
A drain unit for discharging backwash water in the housing through the lower channel;
A full water detector for sensing the level of water inside the housing;
Including,
Backwashing the strainer network when the water pressure of the lower flow channel is higher than a predetermined range than the water pressure of the upper flow pipe,
The drive motor is configured to rotate the rotary shaft when the water level inside the housing reaches a predetermined height,
The seating plate has a shaft fastening hole into which the lower end of the rotary shaft is inserted into a rotatable structure, and the opening is underwater foreign material crushing apparatus, characterized in that arranged radially around the shaft fastening hole.
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