KR102046694B1 - Self Cleaning Screen Device - Google Patents

Abstract

The present invention relates to a self-cleaning screen device, the screen device is connected to the pipe to which the flow fluid is moved to filter to remove impurities, and is arranged in connection with the pipe, the flow fluid is introduced into the secondary filtration A screen unit flowing out to the pipe afterwards; A washing control unit for measuring a pressure difference between the inflow portion and the outflow portion of the screen unit to control the washing operation according to a predetermined pressure; A rotation driving unit disposed in one direction of the screen unit in an inward direction and configured to supply the flow fluid according to a control signal of the washing control unit to generate a rotational force; A washing unit disposed inside the screen unit and connected to the rotary driving unit to suck and wash impurities while rotating by rotating; And a discharge part disposed at the other side of the screen part and connected to the washing part and the outside to discharge to the outside while providing suction pressure.

Description

Self Cleaning Screen Device {Self Cleaning Screen Device}

The present invention relates to a self-cleaning screen device, and more particularly, by using a supply force of the supplied flow fluid of the screen device to remove the foreign matter contained in the flow fluid, the screen is automatically screened only when there are more foreign matters without stopping the operation. It relates to a self-cleaning screen device for suctioning and removing foreign matter attached to the.

Generally, a filter or screen in the form of a sieve is used to remove foreign substances (impurity, sludge, contaminants, etc.) contained in the liquid flow fluid such as rainwater, heavy water treatment plant, wastewater treatment plant, and intake plant.

Such, typically, the screen device includes an inlet pipe and an outlet pipe connected to a position where the flow fluid is filtered, and is provided to filter the foreign matter by filtering the screen by installing a screen in the form of a strainer between the inlet pipe and the outlet pipe.

When the foreign matter attached to the screen of the sieve type installed in the screen device described above is saturated, a method of removing impurities using replacement, washing, or backflow while stopping the filtration operation of the screen device is used.

In recent years, 'improved self-cleaning filter' is disclosed in Korean Patent No. 10-0905698 that sucks impurities while generating turbulence therein.

This, the prior art cleaning filter is attached to the turbulence generator 400 to increase the suction efficiency of the foreign matter attached to promote the generation of turbulence in the filter and the nozzle 310 including the elastic means 316 and the suction pipe 315 ).

The prior art is capable of rotating at high speed to form turbulent flow, when rotating at high speed, the centrifugal force acts so that the foreign matter is more attached than separated from the screen filter, and the suction efficiency of the foreign matter is high due to the high speed rotation. Will fall. In addition, since the nozzle has elastic means, the nozzle and the screen filter come into contact with each other, which causes damage to each other, which reduces suction efficiency.

In addition, the prior art includes a rotating motor that is rotated by the supply of electric power, which must be connected to the device to which the electric power is supplied, and the device is complicated as the components for transmitting the rotational force of the rotating motor must be installed, and the power is continuously supplied. There was a problem that should be.

(Patent Document 1) KR10-0905698 B1

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide only when there is more foreign matter than the standard without stopping the operation by using the supply force of the flow fluid supplied to the screen device to remove the foreign matter contained in the fluid. The present invention provides a self-cleaning screen device that automatically sucks and removes foreign substances attached to the screen.

The objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood from the following description.

In order to achieve the above object, the self-cleaning screen device according to an embodiment of the present invention is connected to the pipe to which the flow fluid is moved, the screen device for filtering to remove impurities, is arranged in connection with the pipe, the flow A screen portion flowing out of the pipe after the fluid flows into the secondary filter; A washing control unit for measuring a pressure difference between the inflow portion and the outflow portion of the screen unit to control the washing operation according to a predetermined pressure; A rotation driving unit disposed in one direction of the screen unit in an inward direction and configured to supply the flow fluid according to a control signal of the washing control unit to generate a rotational force; A washing unit disposed inside the screen unit and connected to the rotary driving unit to suck and wash impurities while rotating by rotating; And a discharge part disposed at the other side of the screen part and connected to the washing part and the outside to discharge to the outside while providing suction pressure.

The screen unit may include: a screen body disposed at one side to be filtered through the pipe and having a screen space for filtering impurities while the flow fluid supplied from the pipe passes from one side to the other side; An inlet pipe disposed at one side of the screen body and connected to the pipe at a position in communication with one side of the screen space to introduce the flow fluid into the screen body; It is disposed inside the screen body, and provided in the screen space in the form of a partition wall in the form of a sieve to filter the flow fluid flowing through the inlet pipe to the other side of the inlet pipe primarily, the rotary drive unit passes through the center A first screen having a screen aperture; It is disposed inside the screen body, is provided on the other side of the first screen is provided in a cylindrical shape of the strainer to filter the flow fluid passing through the first screen secondary, the washing unit is installed therein A second screen having a second screen space; An outflow pipe disposed on the other side of the screen body and connected to the pipe to the other side surface of the second screen, and the flow fluid secondaryly filtered through the first screen and the second screen flows out into the pipe; ; And a partition wall disposed inside the screen body and partitioning the screen space such that the discharge part is installed while supporting the other side of the second screen and positioned on the other side of the outlet pipe. It may include; a support partition wall having a support through which the additional insertion hole.

The washing control unit may include: an inflow sensor disposed at one side of the screen unit and measuring pressure of the flow fluid flowing into the screen unit from the pipe; An outflow sensor disposed at the other side of the screen unit and configured to measure a pressure of the flow fluid which is flowed out of the pipe by the flow fluid filtered from the screen unit; A pressure difference meter electrically connected to the inflow sensor and the outflow sensor and measuring a difference between the inflow pressure measured by the inflow sensor and the measured outflow pressure of the outflow sensor; And electrically connected to an operating part of the rotary driving unit and the discharge unit, and compares the value of the pressure difference measured by the pressure differential meter with a predetermined pressure to determine whether the washing unit and the discharge unit are operated, It may include; an operation control unit for generating an operation signal to control the operation according to.

In addition, the rotational drive unit is disposed on one side of the screen portion, one end is connected to the portion in which the flow fluid of the pipe flows in the screen portion, the other end is supplied with the flow fluid into the screen portion A drive supply pipe installed to be installed; And a supply valve disposed on the driving supply pipe and connected to open and close according to an operation signal of the washing control unit, the supply valve being installed to control the supply of the flow fluid supplied through the driving supply pipe.

In addition, the drive body is disposed in the screen portion, the drive body having a drive space connected to the drive supply pipe therein and the flow fluid is supplied to flow; A drive aberration disposed in the drive body, the drive aberration having a plurality of blades in a plurality of blades so as to convert energy flowing in the flow fluid supplied from the drive supply pipe into rotational energy in the drive space; Is disposed inside the screen portion, is installed to rotate together in the center of the drive aberration, one end is rotatably supported on the inner surface in one end direction of the screen portion, the other end is provided with a connection to rotate the washing unit Drive rotary shaft; And a driving support disposed in the screen part and installed at a position at which one end of the driving rotary shaft is supported in the screen unit, the driving support being configured to rotatably support the driving rotary shaft.

The washing unit may include: a washing rotating shaft disposed inside the screen unit and provided to suck impurities while being rotated by the operation of the rotary driving unit at a position filtered by the screen unit; A suction nozzle protruding a plurality of radial positions in an outward direction of the washing rotary shaft and configured to form a nozzle to suck impurities at the suction pressure supplied from the washing rotary shaft; And a brush body protruding a plurality of radial positions in an outward direction of the washing rotary shaft, and installed to suck the impurities into the cylindrical filtration portion of the screen unit when the washing rotary shaft is rotated and sucked into the suction nozzle. .

And, the washing rotating shaft, the one end is connected to rotate with the rotary drive portion at the second filtered position of the screen portion, the other side is provided to be inserted into the other side partitioned so that the discharge portion of the screen portion, When the communication with the outside air by the operation of the discharge control unit by the control of the washing control unit has a suction space which is a space in which impurities are sucked by the suction pressure generated by the pressure difference with the outside, and the discharge portion and the suction space at the other end It may be provided to have a plurality of through-holes to communicate with each other to provide a suction pressure to discharge impurities to the outside.

In addition, the suction pipe protruding in a plurality of radial positions in the outward direction of the washing rotating shaft, the suction pipe which is in communication with the suction space is provided in the form of a tube connected to the suction nozzle is a passage through which impurities are sucked; A brush shaft protruding a plurality of radially outward directions of the washing rotation shaft, the brush shaft being connected to the brush body so as to be inclined at a predetermined angle with the suction pipe to maintain a predetermined distance; And a rotating support disposed on the other side of the washing rotating shaft and provided to rotatably support the washing rotating shaft inserted into a position partitioned so that the discharge part of the screen unit is installed.

In addition, the discharge portion is disposed on the other side of the screen portion, and connected to the outside on one side of the space partitioned to the other side of the screen portion to provide the suction pressure to the washing unit by the pressure difference between the screen portion and the outside A discharge pipe having a pipe shape connected to the outside to discharge the sucked impurities to the outside; And disposed on the discharge pipe, and connected to be opened and closed according to an operation signal of the washing control unit so that the sucked impurities are discharged through the discharge pipe to the outside while providing the suction pressure of the washing unit due to the pressure difference with the outside. It may include a; discharge valve for controlling.

In addition, the discharge portion, which is disposed on the other side of the screen portion, on the other side of the opposite direction corresponding to the discharge pipe and the impurities discharged from the washing unit to the discharge pipe fall to the outside to be discharged to the outside during deposition A drain pipe in the form of a pipe to be connected; And a drain opening body disposed on the drain pipe and provided to open and close the drain pipe and installed to be opened by a user's operation only when the accumulated impurities are removed.

Specific details for achieving the above object will be apparent with reference to the embodiments described below in detail with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below, but may be configured in different forms, and the present embodiments are intended to complete the disclosure of the present invention and to provide general knowledge in the technical field to which the present invention belongs. It is provided to fully inform those who have the scope of the invention.

According to one of the problem solving means of the present invention described above, the self-cleaning screen device according to an embodiment of the present invention is connected to the pipe to which the flow fluid is moved to filter the flow fluid while passing through the sieve-type screen, To determine the cleaning cycle, and to convert the supply force of the flow fluid to the rotational force at the time of washing, to simplify the device by communicating with the outside while discharging impurities to the outside by the pressure difference, and the washing cycle to the pressure difference By setting it automatically, it provides the effect of improving the washing efficiency.

In addition, the self-cleaning screen device according to an embodiment of the present invention measures the difference between the incoming pressure and the outgoing pressure for filtration and when the pressure is higher than the reference pressure, the screen of the strainer type is clogged with impurities to clean the cycle In this case, the pressure difference is measured and the cleaning is performed. When the pressure is lowered, the cleaning is automatically performed as the operation is stopped.

In addition, the self-cleaning screen device according to the embodiment of the present invention converts the rotational force to rotate the aberration with the supplied supply force of the filtered fluid flow to remove the impurities by the rotation of the brush and the suction means, the pressure by communication with the outside By removing the impurities removed by car by suction, it is possible to operate without the need of other power devices, simplifying the device, minimizing the fixing cost while reducing the installation cost, and improving the filtration efficiency by operating during filtration. to provide.

1 is a block diagram showing a self-cleaning screen device according to an embodiment of the present invention.
2 is a block diagram showing the configuration of a washing unit that is the main configuration of the self-cleaning screen device of FIG.
3 is a block diagram showing the configuration of a rotational drive that is the main configuration of the self-cleaning screen device of FIG.
4 is a use state diagram showing a state in which the secondary is filtered and discharged to the screen portion of the self-cleaning screen device of FIG.
FIG. 5 is a state diagram illustrating a state in which the washing unit and the discharge unit of the self-cleaning screen device of FIG. 1 are discharged to the outside while removing impurities by rotation.

The present invention may be variously modified and have various embodiments, and specific embodiments will be illustrated in the drawings and described in detail with reference to the accompanying drawings. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

In describing the present invention, when it is determined that the detailed description of the related known technology may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. In addition, numerals (eg, first, second, etc.) used in the description process of the present specification are merely identification symbols for distinguishing one component from another component.

Further, in the present specification, when one component is referred to as "connected" or "connected" with another component, the one component may be directly connected or directly connected to the other component, but in particular It is to be understood that, unless there is an opposite substrate, it may be connected or connected via another component in the middle.

The suffixes "module" and "unit" for components used in the following description are given or used in consideration of ease of specification, and do not have distinct meanings or roles from each other. In addition, in order to clearly describe the present invention, parts irrelevant to the description are omitted in the drawings, and the width, length, thickness, etc. of the components in the drawings may be exaggerated for convenience. Like reference numerals denote like elements throughout the specification.

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

1 is a block diagram showing a self-cleaning screen device according to an embodiment of the present invention, Figure 2 is a block diagram showing the configuration of a washing unit that is the main configuration of the self-cleaning screen device of Figure 1, Figure 3 is 4 is a configuration diagram showing the configuration of the rotary drive unit, which is a main configuration of the self-cleaning screen device, and FIG. 4 is a state diagram showing a state in which the secondary filter is discharged to the screen unit of the self-cleaning screen device of FIG. 1, and FIG. It is a use state diagram showing a state in which the self-cleaning screen device is discharged to the outside while removing impurities by rotating by operating the cleaning unit and the discharge unit.

1 to 5, the self-cleaning screen device 100 according to an embodiment of the present invention is connected to the pipe 10 through which the flow fluid of the liquid, such as rainwater, heavy water treatment plant, wastewater treatment plant, intake station, etc. It is a device for removing impurities in the screen by the rotation by using the flow force of the flow fluid supplied to the screen device 100 to remove the impurities in the flow fluid by the filtering action.

Such, the self-cleaning screen device 100 is connected to the pipe 10, the screen unit 110 for filtering the flow fluid, the washing control unit 120, the rotary drive unit 130, the washing unit 140, and the discharge unit ( 150).

The screen unit 110 is disposed to be connected to the pipe 10, and is provided to flow out of the pipe 10 after the flow fluid flows in and filters the secondary.

The screen unit 110 includes a screen body 111, an inlet pipe 112, a first screen 113, a second screen 114, an outlet pipe 115, and a support partition wall 116 connected to the pipe 10. It includes.

The screen body 111 is disposed on one side to be filtered in the pipe, and has a screen space 111a for filtering impurities while the flow fluid supplied from the pipe 10 passes from one side to the other side. The screen body 111 is installed at a position to filter the flow fluid of the pipe 10 is filtered after moving the screen space 111a formed therein after the flow fluid flowing through the pipe 10 from one side to the other side and After the filtration, the pipe 10 is provided to flow out.

The inflow pipe 112 is disposed at one side of the screen body 111 and is connected to a pipe at a position communicating with one side of the screen space 111a so as to introduce a flow fluid into the screen body 111.

The first screen 113 is disposed inside the screen body 111 and has a diaphragm-shaped partition wall shape so as to primarily filter the flow fluid flowing through the inflow pipe to the other side of the inflow pipe 112 in the screen space 111a. It is provided with.

In the center of the first screen 113 is formed a screen through-hole (113a) through which the rotary drive unit 130 for rotating the washing unit 140 is inserted.

The second screen 114 is disposed inside the screen body 111 and is positioned on the other side of the first screen 113 to have a filter net shape to secondaryly filter the flow fluid passing through the first screen 113. It is provided in a cylindrical shape and has a screen space 111a in which the washing part 140 is installed.

Outflow pipe 115 is disposed on the other side of the screen body 111, and is connected to the pipe to the other side of the second screen 114 to the secondary through the first screen 113 and the second screen 114. The filtered flow fluid is provided to flow into the pipe (10).

The support partition wall 116 is disposed inside the screen body 111 and is positioned on the other side of the outlet pipe 115 so as to support the other side of the second screen 114 while allowing the discharge unit 150 to be installed. It is provided in the form of a partition which divides 111a. The support partition wall 116 is located on the other side of the outlet pipe 115 to induce the flow fluid filtered out of the second screen 114 to the outlet pipe 115 and at the same time the other side of the second screen 114. While supporting, it is installed to partition the space in which the discharge part 150 is installed in the second screen space 111a.

Such, the support partition hole 116a so that the screen space 111a is partitioned in the center of the support partition wall 116 so that the impurity discharge portion generated during the cleaning of the cleaning unit 140 is inserted into the position where the discharge unit 150 is installed. Is formed.

The washing control unit 120 measures the pressure difference between the inflow pipe 112 and the outflow pipe 115 to control whether the washing operation is performed according to a predetermined pressure.

Such, the washing control unit 120 includes an inlet sensor 121 for measuring the pressure of the inlet pipe 112, an outlet sensor 122, a pressure difference measurer 123, and the operation control body 124.

The inflow sensor 121 is disposed on one side of the inflow pipe 112 and is installed to measure the pressure flowing into the inflow pipe 112 from the pipe 10 and transmit the pressure to the pressure difference measurer 123.

The outflow sensor 122 is disposed on one side of the outflow pipe 115, and after the secondary filtration at the screen body 111 to measure the pressure flowing through the outflow pipe 115 to the pipe 10 to measure the pressure difference meter 123 is installed to transmit.

The pressure difference measurer 123 is electrically connected to the inflow sensor 121 and the outflow sensor 122 and measures the difference between the inflow pressure measured by the inflow sensor 121 and the measured outflow pressure of the outflow sensor 122. It is installed to measure and transmit to the operation control body (124).

The operation control body 124 is electrically connected to the operating portions of the rotary drive unit 130 and the discharge unit 150, and the washing unit by comparing the value of the pressure difference measured by the pressure difference measuring instrument 123 with a predetermined pressure It is provided to determine whether the operation of the 140 and the discharge unit 150, and generates the operation signal according to the operation to control the operation.

When the pressure difference measured by the pressure difference measurer 123 is higher than the preset pressure, the operation controller 124 performs washing as the impurities are accumulated in the second screen 114 and the flow is hindered, thereby significantly lowering the filtration efficiency. In order to operate the rotary drive unit 130 and the discharge unit 150 in order to rotate the cleaning unit 140 by the operation of the rotary drive unit 130, the suction pressure to the washing unit 140 by the operation of the discharge unit 150. To control the operation of removing impurities.

In this way, by removing the impurities of the second screen 114 by the rotation of the operation of the cleaning unit 140, and then removed by suction to reduce the pressure when the flow is smooth, the pressure is reduced pressure gauge 123 When measured by the lower than the predetermined pressure stops the operation of the rotary drive unit 130 and the discharge unit 150 to finish the cleaning.

If the washing as described above can be carried out without interruption even during the washing, by washing according to the pressure difference, it is possible to perform the washing automatically.

The rotary drive unit 130 is disposed on one side of the screen body 111 and is provided to generate a rotational force by supplying a flow fluid in accordance with a control signal of the operation controller 124.

Such, the rotary drive unit 130 is connected to the suction pipe 144 on one side of the screen body 111, drive supply pipe 131, supply valve 132, drive body 133, drive aberration 135, drive rotary shaft ( 136, and a drive support 137.

The drive supply pipe 131 is disposed on one side of the screen body 111, one end is connected to branch to the inlet pipe 112, the other end is installed so that the flow fluid is supplied into the screen body 111 do.

The supply valve 132 is disposed on the driving supply pipe 131, and is connected to open and close according to the operation signal of the operation control body 124, and installed to control the supply of the flow fluid supplied through the driving supply pipe 131. do. When the supply valve 132 is opened by the operation of the operation controller 124, the flow fluid is supplied through the driving supply pipe 131, and when the supply valve 132 is closed, the supply valve 132 is stopped.

The driving body 133 is disposed inside the screen body 111 and has a driving space 134 connected to the driving supply pipe 131 and supplied with a flow fluid. The driving body 133 is provided so that a flow force is generated while flowing inside the flow fluid supplied through the driving supply pipe 131 to the driving space 134.

The driving aberration 135 is disposed inside the driving body 133, and a plurality of blades are provided to convert the energy of the flow fluid supplied from the driving supply pipe 131 into the rotational energy in the driving space 134. The branches are provided in the form of aberrations.

That is, the driving aberration 135 is converted into a rotational force while the flow fluid supplied through the drive supply pipe 131 flows in the driving space 134 and used as a power for rotating the cleaning unit 140 of the other power of The rotational force is generated by the supply of flow fluid flowing in without use, which simplifies the structure and reduces the device due to the use of power.

The driving rotation shaft 136 is disposed inside the screen body 111 and is installed to rotate together in the center of the driving aberration 135 so that one end thereof is rotatably supported on the inner side of the screen body 111 in one end direction. And, the other end is provided to be connected to the washing unit 140. The drive shaft 136 is a drive shaft 136 that is rotated together with the drive aberration 135, one end is rotatably supported inside the screen body 111, the other end to rotate the washing unit 140 Connected.

The driving support 137 is disposed inside the screen body 111 and is installed at a position at which one end of the driving rotation shaft 136 is supported on the screen body 111 so that the driving rotation shaft 136 is rotatably supported. It is provided.

The cleaning unit 140 is disposed inside the screen body 111 and is connected to the driving rotation shaft 136 and provided to suck and wash the impurities while rotating the brush.

The washing unit 140 is connected to the drive rotary shaft 136 and rotates to supply a suction pressure while rotating shaft 141, suction pipe 144, suction nozzle 145, brush shaft 146, brush body 147, And a rotation support 148.

The washing rotating shaft 141 is inserted into the supporting through hole 116a of the supporting partition wall 116 across the second screen space 111a that is inside the second screen 114, and rotates together with the driving rotating shaft 136. It is connected to one side as possible, and the other side is inserted through the support through hole 116a is provided to be located in the space partitioned by the support partition 116.

In addition, when the inside of the washing rotary shaft 141 is in communication with the outside by the operation of the discharge unit 150 by the control of the operation control body 124, the suction pressure generated due to the pressure difference with the outside acts to suck the impurities Phosphorus suction space 142 is formed.

At the other end of the washing shaft 141, the discharge part 150 and the suction space 142 communicate with each other to provide a suction pressure, thereby forming a plurality of discharge holes 143 that are penetrated to discharge impurities to the outside.

That is, the washing rotating shaft 141 is connected to the driving rotating shaft 136 and rotates inside the second screen 114 to suction power of the suction space 142 communicating with the discharge part 150 through the discharge hole 143. It is provided to suck out impurities.

The suction pipe 144 protrudes in a plurality of radial positions in the outward direction of the washing rotation shaft 141, and communicates with the suction space 142 so as to contact the inner circumference of the second screen 114 so that impurities are sucked in. It is provided in the form of a tube.

The suction nozzle 145 is disposed at the outer end protruding from the suction pipe 144 and is close to the inner circumference of the second screen 114 to remove impurities by the suction pressure supplied from the suction space 142 of the washing rotating shaft 141. It is provided in the form of a nozzle to suck.

The brush shaft 146 protrudes in a plurality of radial positions in the outward direction of the washing rotation shaft 141, and protrudes inclined at a predetermined angle with the suction pipe 144 and is provided in an axial form to maintain a predetermined distance.

The brush body 147 is disposed at the protruding outward end of the brush shaft 146 and contacts the inner circumference of the second screen 114 to impurity in the second screen 114 when the washing shaft 141 rotates. The contact strip is installed to be sucked into the suction nozzle 145.

That is, when the pressure difference measured by the pressure difference measurer 123 is higher than the preset pressure, the driving rotary shaft 136 and the discharge unit 150 are operated by the operation controller 124. At this time, when the driving rotary shaft 136 is rotated, the connected washing rotary shaft 141 is rotated together, the brush body 147 supported on the brush shaft 146 is in contact with the inner circumference of the second screen 114 of the sieve shape 2 Remove impurities caught on the screen 114. Here, when the discharge unit 150 is operated by the operation control body 124 at the same time as the rotation and rotation of the drive rotary shaft 136, the suction pressure is discharged to the outside due to the pressure difference between the inside and outside while the suction pressure is discharged ( It acts on the suction space 142 communicated through 143.

As described above, the impurities removed by the rotation of the brush body 147 are sucked into the suction space 142 through the suction nozzle 145 and the suction pipe 144 proximate a predetermined distance apart, and the sucked impurities When introduced into the space partitioned by the support partition 116 through the discharge hole 143 is provided to be discharged to the outside through the discharge unit 150.

In this way, the brush body 147 and the suction nozzle 145 should be spaced apart by a predetermined distance in order to increase the efficiency of removing impurities, which maintains the protruding angles of the brush shaft 146 and the suction pipe 144 at a predetermined angle. It is provided to.

The rotating support 148 rotatably supports the other side of the washing rotating shaft 141, and is rotatably supported on the other side of the supporting partition wall 116 to rotatably support the washing rotating shaft 141 inserted into the supporting through hole 116a. It is provided to.

Discharge part 150 is disposed on the other side of the screen body 111, and is provided to discharge to the outside while providing a suction pressure in communication with the washing rotary shaft 141 and the outside.

Such, the discharge unit 150 includes a discharge pipe 151, a discharge valve 152, a drain pipe 153, and a drain opening and closing body 154 installed on the other side of the screen body 111 to communicate with the outside.

Discharge pipe 151 is disposed on the other side of the screen body 111, the other side space partitioned by the support partition wall 116 in the interior of the screen body 111 and the outside to communicate with each other, the screen space 111a and the outside It is provided in the form of a pipe connected to the outside to discharge the sucked impurities to the outside while providing the suction pressure to the washing rotary shaft 141 by the pressure difference of the.

Discharge valve 152 is disposed on the discharge pipe 151, is connected to open and close in accordance with the operation signal of the operation to open the suction pressure to the suction space 142 of the washing shaft 141 due to the pressure difference with the outside at the time of opening. While providing the supplied impurities are controlled to be discharged through the discharge pipe 151 to the outside.

The drain pipe 153 is disposed below the other side of the screen body 111 and moves downward in order to discharge impurities deposited in the lower part of the other space partitioned by the support partition wall 116 of the screen space 111a to the outside. It protrudes and is provided in the form of a tube connected to the outside.

The drain opening and closing body 154 is disposed on the drain pipe 153 and is provided to open and close the drain pipe 153 so that the drain opening and closing body 154 is intermittently opened by the user's operation only when the accumulated impurities are removed.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention.

Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments.

The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

<Description of the symbols for the main parts of the drawings>
10: screen device 110: screen unit
111: screen body 111a: screen space
112: inlet pipe 113: first screen
113a: screen through `114: second screen
114a: second screen space 115: outlet pipe
116: support bulkhead 116a: support through hole
120: washing control unit 121: inflow sensor
122: outflow sensor 123: pressure difference measuring instrument
124: operation control body 130: rotary drive unit
131: drive supply pipe 132: supply valve
133: driving body 134: driving space
135: drive aberration 136: drive rotation shaft
137: drive support 140: cleaning unit
141: washing rotating shaft 142: suction space
143: discharge hole 144: suction pipe
145: suction nozzle 146: brush shaft
147: brush body 148: rotation support
150: discharge part 151: discharge pipe
152: discharge valve 153: drain pipe
154: drain opening and closing body

Claims (10)

A screening device for filtering impurities to remove impurities by being connected to a pipe to which a moving fluid is moved,
A screen unit disposed to be connected to the pipe and flowing into the pipe after the flow fluid is introduced and filtered through the pipe;
A washing control unit for measuring a pressure difference between the inflow portion and the outflow portion of the screen unit to control the washing operation according to a predetermined pressure;
A rotation driving unit disposed in one direction of the screen unit in an inward direction and configured to supply the flow fluid according to a control signal of the washing control unit to generate a rotational force;
A washing unit disposed inside the screen unit and connected to the rotary driving unit to suck and wash impurities while rotating by rotating; And
Is disposed on the other side of the screen portion, the discharge unit for discharging to the outside while providing a suction pressure by connecting the washing unit and the outside; including,
The discharge portion,
It is disposed on the other side of the screen portion, connected to the outside on one side of the space partitioned to the other side of the screen portion to the outside of the sucked impurities while providing the suction pressure to the washing unit by the pressure difference between the screen portion and the outside A discharge pipe in the form of a pipe connected to the outside to be discharged;
It is disposed on the discharge pipe, and connected to open and close according to the operation signal of the washing control unit to control the discharged impurities to be discharged through the discharge pipe to the outside while providing the suction pressure of the washing unit due to the pressure difference with the outside at the time of opening. A discharge valve;
It is disposed on the other side of the screen portion, the drain in the form of a pipe connected to the outside so that the impurities discharged from the cleaning unit to the discharge pipe in the opposite side corresponding to each other and the discharge pipe is discharged to the outside upon deposition tube; And
It is disposed on the drain pipe, and provided to open and close the drain pipe, the drain opening and closing body is installed to be opened by the user's operation only when the accumulated impurities are removed;
Self-cleaning screen device.
The method of claim 1,
The screen unit,
A screen body disposed at one side to be filtered in the pipe and having a screen space therein to filter impurities while the flow fluid supplied from the pipe passes from one side to the other side;
An inlet pipe disposed at one side of the screen body and connected to the pipe at a position in communication with one side of the screen space to introduce the flow fluid into the screen body;
It is disposed inside the screen body, and provided in the screen space in the form of a partition wall in the form of a sieve to filter the flow fluid flowing through the inlet pipe to the other side of the inlet pipe primarily, the rotary drive unit passes through the center A first screen having a screen aperture;
It is disposed inside the screen body, is provided on the other side of the first screen is provided in a cylindrical shape of the strainer to filter the flow fluid passing through the first screen secondary, the washing unit is installed therein A second screen having a second screen space;
An outflow pipe disposed on the other side of the screen body and connected to the pipe to the other side surface of the second screen, and the flow fluid secondaryly filtered through the first screen and the second screen flows out into the pipe; ; And
It is disposed inside the screen body, is located in the other side of the outflow pipe is provided in the form of a partition wall partitioning the screen space so that the discharge portion is installed while supporting the other side of the second screen, the washing portion in the center Including a support bulkhead having a support through hole inserted therein;
Self-cleaning screen device.
The method of claim 1,
The washing control unit,
An inlet sensor disposed at one side of the screen unit and configured to measure a pressure of the flow fluid flowing into the screen unit from the pipe;
An outflow sensor disposed at the other side of the screen unit and configured to measure a pressure of the flow fluid which is flowed out of the pipe by the flow fluid filtered from the screen unit;
A pressure difference meter electrically connected to the inflow sensor and the outflow sensor and measuring a difference between the inflow pressure measured by the inflow sensor and the measured outflow pressure of the outflow sensor; And
It is electrically connected to the operating portion of the rotary drive unit and the discharge portion, and compares the value of the pressure difference measured by the pressure difference meter with a predetermined pressure to determine the operation of the washing unit and the discharge unit, Including an operation control unit for generating an operation signal to control operation;
Self-cleaning screen device.
The method of claim 1,
The rotary drive unit,
A driving supply pipe disposed at one side of the screen portion, one end of which is connected to a portion into which the flow fluid of the pipe portion flows, and the other end of the driving supply tube being supplied to the inside of the screen portion; And
A supply valve disposed on the driving supply pipe and connected to open and close according to an operation signal of the washing control unit, the supply valve being installed to control whether the flow fluid supplied through the driving supply pipe is supplied.
Self-cleaning screen device.
The method of claim 4, wherein
A driving body disposed inside the screen unit and having a driving space connected to the driving supply pipe to supply the flow fluid;
A drive aberration disposed in the drive body, the drive aberration having a plurality of blades in a plurality of blades so as to convert energy flowing in the flow fluid supplied from the drive supply pipe into rotational energy in the drive space;
Is disposed inside the screen portion, is installed to rotate together in the center of the drive aberration, one end is rotatably supported on the inner surface in one end direction of the screen portion, the other end is provided with a connection to rotate the washing unit Drive rotary shaft; And
It is disposed in the screen portion, the drive unit is installed in a position where one end of the drive rotation shaft is supported in the screen portion provided to support the drive rotation shaft rotatably; includes;
Self-cleaning screen device.
The method of claim 1,
The washing unit,
A washing rotating shaft disposed inside the screen unit and provided to suck impurities while being rotated by the operation of the rotary driving unit at a second filtered position of the screen unit;
A suction nozzle protruding a plurality of radial positions in an outward direction of the washing rotary shaft and configured to form a nozzle to suck impurities at the suction pressure supplied from the washing rotary shaft; And
A brush body protruding a plurality of radial positions in the outward direction of the washing rotary shaft, the brush body installed to suck the impurities into the cylindrical filtration portion of the screen portion when the washing rotary shaft is rotated and sucked into the suction nozzle;
Self-cleaning screen device.
The method of claim 6,
The washing rotating shaft,
One end of the screen unit is connected to be rotated together with the rotary driving unit at the second filtered position, and the other side is provided to be inserted into the other side partitioned so that the discharge unit of the screen unit is installed, and under the control of the washing control unit therein. When the discharge unit communicates with the outside air, the suction pressure generated by the pressure difference from the outside is applied to the suction space, and the suction space is a space where impurities are sucked, and the discharge portion and the suction space communicate with each other at the other end to provide suction pressure. It is provided to have a plurality of discharge holes penetrated to discharge impurities to the outside
Self-cleaning screen device.
The method of claim 7, wherein
A suction pipe which protrudes in a plurality of radial positions in an outward direction of the washing rotation shaft, is provided in a tubular shape in communication with the suction space and connected to the suction nozzle, and serves as a passage through which impurities are sucked;
A brush shaft protruding a plurality of radially outward directions of the washing rotation shaft, the brush shaft being connected to the brush body so as to be inclined at a predetermined angle with the suction pipe to maintain a predetermined distance; And
It is disposed on the other side of the washing shaft, the rotation support body is provided to be rotatably supported by the washing shaft inserted in a position partitioned so that the discharge portion of the screen portion;
Self-cleaning screen device.

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