KR20120053939A - Automatic reverse cleaning system with open-cut riverbed filtration capable of reverse cleaning and cleaning separately - Google Patents

Abstract

PURPOSE: A washing system for open cut type riverbed filtration is provided to reduce power consumption by respectively controlling backwashing pipes and washing pipes. CONSTITUTION: A washing system for open cut type riverbed filtration includes a washing part, a backwashing part, and a controller(200). The water part is in connection with the outlet pipe(132) of a receiver tank(130). The water part includes an automatic opening and closing valve(152) and a first distributing header(156) which supplies compressed air to washing pipes around a screen. The backwashing part is in connection with the outlet pipe of the receiver tank. The backwashing part includes an automatic opening and closing valve(172) and a second distributing header(176) which supplies compressed air to backwashing pipes around the screen. The controller opens closes the automatic opening and closing valves according to the amount of collected water.

Description

AUTOMATIC REVERSE CLEANING SYSTEM WITH OPEN-CUT RIVERBED FILTRATION CAPABLE OF REVERSE CLEANING AND CLEANING SEPARATELY}

The present invention relates to a cleaning system used in a removable bed filtration system, and more particularly, backwashing and cleaning control can be controlled individually to reduce power consumption and to operate the apparatus by miniaturizing the device capacity of the cleaning system. It is directed to a dedicated bed filtration dedicated cleaning system in which improved backwashing and cleaning control are individually possible.

In general, excavated bottom filtration is a method of installing a screen using excavation equipment in a state where the ground is left as it is, and a detachable bottom filtration is a method of digging the ground and filling the desired media and then embedding the screen.

Unlike the installation of the removable bottom filtration collection system by excavating the screen which is a horizontal water collection pipe under the bottom, the screen is installed by installing the screen of the river and the engineered design is buried to improve the permeability.

This open-type river filtration system collects the stream water with improved water quality through the alluvial bed of the river bed (river bottom) through the vertical collection well installed on the shoreline of the river and uses it as an indirect intake or re-introduced into the river. As a result, it is used to improve river water quality and to maintain river water (to prevent dry weathering).

However, such a removable or excavated bottom filtration system has a problem in that debris is formed on the screen over time in the horizontal collection pipe under the bottom.

That is, as time passes, foreign matter including slime, scale, and sludge adheres to the inside of the screen, thereby lowering the collection efficiency. Therefore, it is necessary to periodically clean it to ensure the water collecting efficiency and water quality.

In addition, such a bed filtration system has a clogging phenomenon of soil layer, that is, clogging of the soil layer as time passes around the horizontal collection pipe under the bed, and the water collection efficiency is lowered. Therefore, in order to remove the blockage of the soil layer, it is necessary to periodically backwash to secure the water collecting efficiency and water quality.

In the case of such excavated sewage filtration, the inside of the screen is cleaned using a device similar to a car washing hose or sewage pipe, but in the case of the detachable sewage filtration, the screen is vertically defined by washing and backwashing pipes. The screen can be cleaned and backwashed from the outside.

That is, conventionally, in order to clean the screen, a cleaning device (not shown) having a cleaning nozzle or the like is installed adjacent to the screen, and high pressure water is sprayed to remove foreign matters attached to the screen. In this case, a dedicated cleaning system for cleaning is required.

Conventionally, the washing and backwashing apparatus which wash | cleans the foreign material of the screen and backwashes in order to remove the clogging of the soil layer was made using a single washing system.

Such a conventional lower filtration cleaning system is provided with a cleaning device (not shown) provided with a cleaning nozzle and the like adjacent to the screen, and sprays high pressure water to remove foreign matters attached to the screen, and at the same time in the opposite direction of the screen. Is a method of removing the clogging phenomenon of the soil layer by spraying the high pressure water toward the soil layer.

Therefore, such a conventional sub-filtration cleaning system has a problem that the screen cleaning and the soil layer backwashing operation is performed at a time, the capacity of the equipment for operating the same simultaneously, and the operating power consumption increases.

At the same time, as the device grows larger, it is difficult to configure it as a mobile device, and as a result, the installation and operation problems have occurred such that the initial investment cost of the facility is greatly increased.

In addition, the conventional arrangement of the nozzle for solving the clogging of the soil layer is not appropriate, it is difficult to obtain a satisfactory performance of the backwashing action to solve the clogging phenomenon of the soil layer.

SUMMARY OF THE INVENTION An object of the present invention is to solve the conventional problems as described above, wherein a plurality of pipes are provided on a screen, and the plurality of pipes are configured for the same number of backwashing and washing to form a backwashing pipe and a washing pipe. Independently controllable, the device's capacity is reduced to a portable structure that can be applied in many sites, and at the same time, the backwashing and cleaning control exclusively for improved backwashing and cleaning control to enable efficient operation by reducing power consumption. To provide a system.

Another object of the present invention is to improve the backwashing operation by placing three backwash pipe backwash nozzles from the four cleaning nozzle positions to the upper side down and one backwash pipe of the backwash pipe toward the bottom of the screen. The present invention provides a dedicated subbed filtration system that can individually improve backwashing and rinsing to effectively eliminate clogging of the soil layer.

In order to achieve the above object, the present invention provides a cleaning system for a removable bottom filter collection system,

Vehicle-mounted mobile containers;

An air compressor mounted inside the container to compress air by an external power supply;

A receiver tank connected to the air compressor to store compressed air;

A cleaning unit connected to an outlet pipe of the receiver tank, the cleaning unit having a cleaning automatic opening / closing valve and having a first distribution header supplying compressed air to the cleaning pipe around the screen;

 A backwashing part connected to the outlet pipe of the receiver tank, having a backwash automatic opening / closing valve, and having a second distribution header for supplying compressed air to the backwashing pipe around the screen; And

And electrically connected to the washing and backwash automatic shutoff valve, and electrically connected to the flow meter of the sump to reduce the amount of water collected in the sump at a predetermined ratio, thereby opening the washing and backwash automatic shutoff valve to open the cleaning pipe. Or a controller for cleaning by spraying high pressure air on a backwash pipe, and closing the washing and backwash automatic opening / closing valve when the amount of water collected is restored, and a plurality of cleaning pipes and backwash pipes are installed around the screen. The present invention provides a dedicated bottom filtration system that can individually control backwashing and cleaning, in which the pipes are configured for the same number of backwashing and cleaning, so that the backwashing pipe and the cleaning pipe can be individually controlled.

In another aspect, the present invention preferably provides the high-pressure air through the backwash pipe and the cleaning pipe by opening the cleaning and backwash automatic opening and closing valve when the amount of water collected by the flow meter is 20% lower than the design amount, Upon return, the system provides a dedicated bottom filtration system that can individually control backwashing and scrubbing to shut off the high pressure air by closing the flush and backwash automatic shutoff valves.

And the present invention preferably the cleaning pipe is installed in four places in the circumferential direction around the screen and the cleaning nozzles are disposed toward the screen, respectively, the reverse pipe is in the circumferential direction around the screen in the radially outer side of the cleaning pipe It is installed at a location, and the backwash nozzles of three backwash pipes are arranged toward the upper side lower side, and the backwash and washing control of one backwash pipe is arranged to inject high pressure air toward the lower part of the screen. Provides dedicated cleaning system for bed filtration.

According to the cleaning system according to the present invention, which is capable of individually controlling backwashing and washing, a total of eight pipes, that is, four backwashing pipes and four cleaning pipes, are arranged around the screen, respectively, on the screen. Because it can be controlled by the control, it has the advantage of inducing power consumption reduction than controlling them simultaneously.

In addition, according to the cleaning system dedicated to backwashing and washing separately according to the present invention, the backwashing nozzles of the three backwash pipes are disposed toward the upper side, and the backwashing nozzles of the backwashing pipe are directed toward the lower part of the screen. It is arranged to inject high pressure air is excellent in the backwash effect of the riverbed portion where the collecting action is mainly to achieve a more efficient backwash operation.

In addition, according to the present invention there is an advantage that the cleaning and backwashing operation of the screen can be all the work outside the vertical well to ensure the safety of the operator.

1 is a view for explaining the overall structure of the dedicated subbed filtration system capable of individually controlling backwashing and washing according to an embodiment of the present invention.
2 is an explanatory diagram conceptually showing a structure in which the cleaning pipe and the reverse separator pipe provided in the present invention are arranged around the screen.
3 is a side cross-sectional view illustrating a structure in which an air compressor, a receiver tank, a washing unit, and a backwashing unit provided in the present invention are installed in a movable container.
4 is a cross-sectional view illustrating a structure in which an air compressor, a receiver tank, a washing unit, and a backwashing unit provided in the present invention are installed in a movable container.
FIG. 5 is a side view illustrating a structure in which cleaning pipes and backwash pipes are disposed around the screen of the dedicated bottom-filtration dedicated cleaning system capable of individually controlling backwashing and cleaning according to an embodiment of the present invention.
FIG. 6 is a cross-sectional view taken along line AA of FIG. 5 illustrating a structure in which cleaning pipes and backwash pipes are disposed around a screen of a dedicated sub-filtration dedicated cleaning system capable of individually controlling backwashing and cleaning according to an embodiment of the present invention. .

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Like reference numerals in the drawings denote like elements.

FIG. 1 is a view for explaining the overall structure of an attached subbed filtration system 100 capable of individually controlling backwashing and washing according to an embodiment of the present invention.

The removable bottom filtration dedicated cleaning system 100 capable of individually controlling backwashing and cleaning according to the present invention is configured to individually control the backwash pipe 174 and the cleaning pipe 154, and for this purpose, FIGS. 3 and 4. As shown in the drawings, the vehicle-mounted mobile container 110 is provided.

Such a container 110 has a rectangular hollow box-like structure, for example, is made of a size that can be mounted on the cargo loading portion of a 5 ton truck (not shown), and is freely movable by site using a truck.

The present invention includes an air compressor 120 mounted inside the container 110 to compress air by an external power supply.

The air compressor 120 compresses air by using the motor 126 built in by the power provided from the generator 122, and thus the air compressed through the air compressor 120 is the air compressor ( 120 is stored in the receiver tank (Receiver tank) (130) for storing the compressed air is stored at a predetermined pressure.

In addition, the removable bottom filtration dedicated cleaning system 100 capable of individually controlling the backwashing and washing is connected to the outlet pipe 132 of the receiver tank 130, and has a washing automatic opening / closing valve 152, A cleaning unit 150 having a first distribution header 156 for supplying compressed air to the cleaning pipe 154 around the screen S is provided.

The cleaning unit 150 injects high pressure air to the screen S. As shown in FIGS. 2, 5, and 6, four cleaning pipes 154 are used to extend the screen S in the longitudinal direction. Thus extending, installed at four locations at equal circumferential intervals around the screen S, and cleaning nozzles 158 are disposed toward the screen S, respectively, and the respective cleaning pipes 154 are arranged in the first distribution header 156. Each cleaning pipe connecting port (154a) provided in the) is connected to the workplace.

As described later, the cleaning unit 150 opens the cleaning automatic opening / closing valve 152 mounted to each cleaning pipe connecting port 154a by the controller 200 to supply high-pressure air to the first distribution header. From 156, the cleaning pipe connecting port 154a and the cleaning nozzle 158 of the cleaning pipe 154 are sprayed to the screen S side.

The first distribution header 156 provided in the cleaning unit 150 is provided with two spare ports 154b on the side of the four cleaning pipe connection ports 154a.

In addition, the removable bottom filtration dedicated cleaning system 100 capable of individually controlling the backwashing and washing is connected to the outlet pipe 132 of the receiver tank 130, and has a backwash automatic opening / closing valve 172, A backwash 170 is provided with a second distribution header 176 which supplies compressed air to the backwash pipe 174 around the screen S.

The backwashing section 170 has four backwashing pipes 174 extending in the lengthwise direction of the screen S, respectively, and the four backwashing pipes 174 extend in the circumferential direction around the screen S from the radially outer side of the cleaning pipe 154. The backwash nozzle 178 of the three backwash pipes 174 is disposed toward the upper side lower phase P, and the backwash nozzle 178 of the one backwash pipe 174 is pressed toward the bottom of the screen S. It is arranged to inject air.

As shown in FIG. 5, in the backwashing unit 170, the backwashing nozzles 178 of the three backwashing pipes 174 are disposed toward the upper side lower phase P, and the backwashing of the one backwashing pipe 174 is performed. When the nozzle 178 is arranged to spray the high pressure air toward the lower portion of the screen (S), the backwashing effect of the bottom P portion, which is mainly focused on the collecting operation, is excellent, thereby achieving a more efficient backwashing operation.

In addition, the second distribution header 176 provided in the backwashing part 170 has four backwash pipe connection ports 174a, and each of the backwash pipe connection ports 174a has a backwash pipe 174, respectively. And two spare ports 174b on the side of the four reverse pipe connecting ports 174a.

As shown in FIG. 3, the first and second distribution headers 156 and 176 are arranged side by side at the top and the bottom thereof so as to efficiently utilize the narrow internal space of the container 110.

In addition, the removable bottom filtration dedicated cleaning system 100 capable of individually controlling the backwashing and washing, has a controller 200 electrically connected to the washing and backwashing automatic opening / closing valves 152 and 172 to operate. As shown in FIG. 2, the controller 200 is electrically connected to the flowmeter 220 of the sump 210 to reduce the amount of water collected in the sump 210 at a predetermined rate. The automatic on / off valves 152 and 172 are opened to clean the spray pipe 154 or the backwash pipe 174 by spraying high pressure air, and when the amount of water is recovered, the washing and backwash automatic on / off valves 152 and 172 are closed. will be.

For example, when the amount of water collected by the flowmeter 220 is 20% lower than the designed amount, the controller 200 opens the washing and backwash automatic opening / closing valves 152 and 172 to open the backwash pipe 174 and the cleaning pipe. Provides high pressure air through 154 and operates to shut off high pressure air by closing the flush and backwash automatic shutoff valves 152 and 172 upon return to the design amount.

However, the operation of the controller 200 may be adjusted differently according to the site situation. For example, when the amount of water collected is lowered by 10% or 30% lower than the designed amount, the washing and backwash automatic shutoff valves 152 and 172 are opened. May be operated to open only the automatic flush control valve 152 and keep the automatic flush control valve 172 closed or vice versa to open the automatic flush control valve 172 and vice versa. 152 may be kept closed, or the washing and backwash automatic shutoff valves 152 and 172 may be opened, or may be operated to be sequentially opened one after the other.

The removable bottom filtration dedicated cleaning system 100 capable of individually controlling backwashing and cleaning of the present invention configured as described above includes a plurality of cleaning pipes 154 and backwash pipes 174 around the screen S, and A plurality of pipes 154 and 174 are configured for the same number of backwashing and cleaning operations, each operating separately.

That is, the present invention is configured in a state in which a total of eight pipes, four backwash pipes 174 and four cleaning pipes 154 are attached to the screen S, and each of them is individually controlled, thereby simultaneously controlling the existing. Induces a reduction in power consumption.

In this process, as shown in FIG. 2, the groundwater collected in the screen S is collected in the sump 210, and the flow meter 220 installed in the sump 210 is collected per unit time. The quantity information is provided to the controller 200.

And when the amount of water collected in the sump 210 is lowered by a certain ratio, for example, when the amount of water collected by the flow meter 220 is 20% lower than the design reference amount, the controller 200 automatically cleans and backwashes the valve. Open (152, 172) to provide high pressure air through the backwash pipe (174) and the cleaning pipe (154) and, upon return to the design amount, close the cleaning and backwash automatic shutoff valves (152,172) to shut off the high pressure air. do.

At this time, the controller 200 opens only the washing automatic opening / closing valve 152 of the washing unit 150 and maintains the backwash automatic opening / closing valve 172 of the backwashing unit 170 to close the screen S. Alternatively, or vice versa, only the backwash automatic opening / closing valve 172 of the backwashing section 170 is opened, the cleaning automatic opening / closing valve 152 of the washing section 150 is kept closed, and only the soil layer around the screen S is cleaned. You may.

In addition, the cleaning and backwash automatic shutoff valves 152 and 172 may be operated at the same time, or alternately, the cleaning automatic shutoff valve 152 and the backwash automatic shutoff valve 172 may be opened.

In this process, the role of the four cleaning pipes 154 of the cleaning unit 150, the sludge generated by the continuous removal of some soil deposits accumulated in the screen (S) after the completion of the construction and the continuous operation of the removable bed filtration system 5 and 6, a plurality of cleaning nozzles 158 are attached to the cleaning pipe 154 at regular intervals toward the screen S, as shown in FIGS. 5 and 6.

Therefore, the sludge etc. attached to the screen S are removed through the high pressure air injected through the cleaning nozzles 158 to restore the water collecting capability of the screen S normally.

In addition, the role of the four backwash pipes 174 of the backwashing section 170 overcomes the soil clogging phenomenon in the bedbed (P) alluvial layer, which is generated by continuously operating the open bedbed filtration system, and the alluvial layer when the flow rate decreases. The nozzle direction is opposite to the cleaning direction in order to form an inner flow path.

In this case, the backwashing unit 170 has three backwashing pipes 174 of the four backwashing pipes 174, and a backwashing nozzle 178 is disposed toward the upper side lower phase P, and one of the backwashing pipes 174 The backwash nozzle 178 is configured to inject high pressure air toward the bottom of the screen (S).

In this way, the backwash nozzles 178 of the three backwash pipes 174 are disposed toward the upper side lower phase P, and the backwash nozzles 178 of the one backwash pipe 174 are pressed toward the bottom of the screen S. When it is arranged to inject air, it is excellent in the effect of eliminating the soil blockage portion of the river bed (P) portion where the collecting action is mainly can achieve a more efficient backwash operation.

In this process, the clogging portion is removed from the soil layer formed around the screen S through the high pressure air sprayed through the backwash nozzles 178 to restore the water collecting capability of the soil layer around the screen S to be normal.

As described above, the dedicated subfiltration filtration system 100 capable of individually controlling the backwashing and cleaning according to the present invention has a total of eight pipes on the screen S, that is, four backwash pipes 174 and four cleaning pipes ( Since 154 may be disposed around the screen S, and the respective controllers may be individually controlled through the controller 200, power consumption may be greatly reduced than when the controllers are simultaneously controlled.

In the present invention, the backwash nozzle 178 of the three backwash pipes 174 provided in the backwashing unit 170 is disposed toward the upper side lower phase P, and the backwash nozzle 178 of the one backwash pipe 174 is provided. By backwashing the portion of the lower bed P, which is arranged to inject high pressure air toward the lower portion of the screen S, where the collection action is mainly performed, the removal effect of the soil clogging is excellent, and a more efficient backwashing operation can be achieved.

In addition, the present invention is the air compressor 120, the receiver tank 130, the washing unit 150, the backwashing unit in the container 110, the washing and backwashing operation of the screen (S) is mounted on the mobile vehicle outside the vertical well. 170) and the controller 200, all the cleaning and backwashing is possible to obtain the advantage that the safety of the operator can be secured.

As described above, an optimal embodiment has been disclosed in the drawings and specification. Although specific terms have been used herein, they are used only for the purpose of describing the present invention and are not used to limit the scope of the present invention as defined in the meaning or claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

100 ...... Cleaning system 110 ...... Container
120 ...... air compressor 122 ....... generator
126 ...... Motor 130 ....... Receiver tank
132 ...... Exit piping 150 ...... Cleaning section
152 ...... Cleaning automatic shutoff valve 154 ...... Cleaning pipe
154a ..... Cleaning pipe connection port 154b, 174b ..... Spare port
156 ...... 1st distribution header 158 ...... Cleaning nozzle
170 ...... back detail 172 ...... backwash automatic shutoff valve
174 ...... reverse pipe 174a ...... reverse pipe connection port
178 ....... Backwash nozzle 200 ...... Controller
210 ....... Cleaning 220 ...... Flow meter
P ........ riverbed S ....... screen

Claims (3)

In the cleaning system for the removable bottom filtration collection system,
Vehicle-mounted mobile containers;
An air compressor mounted inside the container to compress air by an external power supply;
A receiver tank connected to the air compressor to store compressed air;
A cleaning unit connected to an outlet pipe of the receiver tank, the cleaning unit having a cleaning automatic opening / closing valve and having a first distribution header supplying compressed air to the cleaning pipe around the screen;
A backwashing part connected to the outlet pipe of the receiver tank, having a backwash automatic opening / closing valve, and having a second distribution header for supplying compressed air to the backwashing pipe around the screen; And
And electrically connected to the washing and backwash automatic shutoff valve, and electrically connected to the flow meter of the sump to reduce the amount of water collected in the sump at a predetermined ratio, thereby opening the washing and backwash automatic shutoff valve to open the cleaning pipe. Or a controller for cleaning by spraying high pressure air on a backwash pipe, and closing the washing and backwash automatic opening / closing valve when the amount of water collected is restored, and a plurality of cleaning pipes and backwash pipes are installed around the screen. 10. A dedicated bottom filtration cleaning system for individually backwashing and rinsing, wherein the backwashing and rinsing pipes can be controlled individually by constructing the same number of backwashing and rinsing pipes. According to claim 1, wherein the controller, when the amount of water collected by the flow meter is 20% lower than the design amount, the controller automatically opens and closes the backwash opening and closing valve to provide high pressure air through the backwash pipe and the cleaning pipe, and returns to the design amount. When the backwash and the backwash automatic closing valve is shut off the high-pressure air, the backwash and filtration exclusive cleaning system that can individually control backwashing and washing. The cleaning pipe according to claim 1, wherein the cleaning pipes are installed at four locations in the circumferential direction around the screen, and the cleaning nozzles are disposed toward the screen, respectively, and the reverse separator pipes are arranged at four locations in the circumferential direction around the screen at the radially outer side of the cleaning pipe. Backwash and cleaning controls, characterized in that the backwash nozzles of the three backwash pipes are disposed facing the upper side of the upper side, and the backwash nozzles of one backwashpipe are arranged to blow the high pressure air toward the bottom of the screen. Dedicated subbed filtration system available.

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