KR101799513B1 - Filter cartridge and the non-point polution reducing system - Google Patents
Filter cartridge and the non-point polution reducing system Download PDFInfo
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- KR101799513B1 KR101799513B1 KR1020150103859A KR20150103859A KR101799513B1 KR 101799513 B1 KR101799513 B1 KR 101799513B1 KR 1020150103859 A KR1020150103859 A KR 1020150103859A KR 20150103859 A KR20150103859 A KR 20150103859A KR 101799513 B1 KR101799513 B1 KR 101799513B1
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- water
- filtration
- cartridge
- tank
- backwash
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 437
- 238000001914 filtration Methods 0.000 claims abstract description 292
- 238000011001 backwashing Methods 0.000 claims abstract description 54
- 238000005406 washing Methods 0.000 claims abstract description 18
- 238000007667 floating Methods 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 16
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- 230000001965 increasing effect Effects 0.000 description 9
- 238000007599 discharging Methods 0.000 description 8
- 238000011045 prefiltration Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/78—Handling the filter cake in the filter for purposes other than for regenerating for washing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2221/00—Applications of separation devices
- B01D2221/12—Separation devices for treating rain or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
FIELD OF THE INVENTION The present invention relates to filter cartridges. The present invention also relates to a non-point pollution treatment facility using the filter cartridge.
According to the present invention, when the treatment object water does not flow into the non-point pollution treatment facility, stagnant water remains in the stagnant water space (V) in the non-point pollution treatment facility, and the non-point pollution treatment facility The filtration unit 310 includes a horizontal plate 330. The horizontal plate 330 divides the filtration tank 300 into upper and lower portions and communicates with the upper portion of the filtration tank 300, Filtration water remains in the washing water space V1, and the filtered water in the filtration tank backwash water space V1 is used as backwash water during backwashing of the filtration unit 310. [
Further, the present invention further discloses the structure of the backwash water tank and the filtration cartridge.
Accordingly, the present invention can effectively backwash the adhering type filter media in the filter cartridge, and can selectively apply backwash water by power as well as automatic backwashing by nonmotor force. In addition, both the filtered water passing through the filter cartridge at the time of filtration and the backwash water passing through the filter cartridge in the opposite direction at the time of backwash may form a flow at the center of the filter cartridge, and the filtered water can be stored in the backwash water storage space.
Description
FIELD OF THE INVENTION The present invention relates to filter cartridges. The present invention also relates to a non-point pollution treatment facility using the filter cartridge.
The term 'filtering part' used in the present invention corresponds to a 'filter', and it can be translated into 'filtering device', 'filtering device', or 'filtering material' in Korean. As used herein, the term " filtration part " can be applied if it is used to remove contaminants in the liquid in any form.
The filtration part can be presented in various forms, one of which is a cartridge type containing filter media (filter media, filtration material). The cartridge may also be referred to as a housing, a housing, or the like. Such a filtration technique can be applied to various technical fields.
The technical idea of the present invention can be applied to a field in which a cartridge, a filter medium, or the like is used. The present invention will be described with reference to a non-point pollutant treatment facility, which is a field to which the present invention can be applied.
Water pollution sources are classified as point pollution sources and nonpoint pollution sources depending on the nature of pollution source. Point pollution sources are pollution sources that are discharged in the form of sewer or ditch from the point of clearly recognizing pollution discharge. Which means that it is discharged from an interspersed source that is difficult to know exactly where the source is.
In general, nonpoint pollution sources are also referred to as non-specific pollution sources, surface pollution sources, mobile pollution sources, or other water pollution sources. Unlike point pollution sources having specific discharge paths, nonpoint pollution occurs through unspecified discharge paths such as urban road drainage and agricultural drainage. To indicate the place or area. Here, the non-point pollutants are pollutants that flow out along with the surface runoff when they are exposed to rain, such as fertilizers, pesticides, soil spattering plants, housing spills, traffic pollutants, dust and garbage in urban areas, Residues, and air pollutants that have fallen on the surface of the earth.
Recently, it has been difficult to confirm the exact route of leakage, and management of non-point pollutants in roads, parking lots, etc. where inflow of pollutants is non-persistent is strengthened. Specifically, dusts floating on the road surface and heavy metals contained in these dusts are deposited on the road surface and are deposited on the road surface. Further, fine particles contained in the exhaust gas accompanying the running of the vehicle, tire wear, Environmental pollutants such as asphalt abrasion are piled together. These environmental pollutants contain heavy metals such as cadmium, eutrophic salts such as nitrogen and phosphorus, and may have harmful effects on human body. In this way, various pollutants accumulated on the road surface are discharged to the river through road drainage at the time of rainfall. The total pollution concentration of the effluent discharged to the river together with the rainfall is low, In order to conserve water quality, there is a problem of dealing with road drainage originating from impervious area such as roads and parking lots.
Such non-point pollutant treatment facilities can be distinguished by natural type non-point pollution treatment facilities and non-point pollution treatment facilities.
Conventionally, the device type facility for reducing nonpoint pollution source has not been able to exert its function as a reduction facility because the design standard is simple and most of it is a non-powered system. Also, when stagnant water is generated in the facility and the number of dry days is increased, odor and mosquitoes are often the main cause of secondary pollution sources.
The local governments that need to manage these facilities have not been able to maintain the equipment-type facilities periodically due to lack of expertise, manpower, and budget difficulty. Therefore, despite the fact that many facilities have been installed to reduce nonpoint pollution sources, they have not been effective in terms of investment.
Further, although a filtration cartridge to be applied to such a device-type facility is disclosed, an improved filtration cartridge considering efficiency of filtration of the filtration cartridge and backwashing is disclosed only by storing the filter material in the cartridge and using it as filtration means . In order to utilize the backwash water, it is necessary to design the backwash water to be supplied by the power as well as the backwash water by the powerless operation. In order to more effectively backwash the backwash water by the power, There is a need for a method of spraying backwash water directly into the cartridge. It is preferable to form a flow through the center of the filter cartridge both during filtration and backwashing and it is also necessary to mechanically solve the structure of filtration and backwashing so as not to interfere with each other.
In a device-type non-point pollution treatment facility, the pretreatment tank is divided into an upflow pretreatment tank in which the influent water flows in the upward direction from below and a downflow pretreatment tank in which the influent water flows in the downward direction. However, the downward flow pretreatment tank is advantageous in blocking the rising garbage and oil components, but it is difficult to secure a sufficient residence time. There is a problem that the lifetime of the filter media is shortened due to overload of the filtration tank.
On the other hand, Korean Patent Registration No. 10-1242378 (Mar. 3, 2013) discloses a pretreatment tank having an inlet for introducing precipitation and having a space for storing precipitation therein, A first filtration tank communicating with the pretreatment tank and provided with a first filtration layer at an upper portion of the first connection port and having a first filtration tank outlet at an upper portion of the first filtration layer and a second filtration tank communicating with the first filtration tank by a second connection port And a second filtration tank provided with a second filtration layer above the second connection port and a second filtration tank discharge port above the second filtration layer; A float which moves up and down according to a water level in the pre-treatment tank; and an opening / closing means connected to the float to open / close the second connection port in accordance with the lifting / lowering of the float. And a non-point pollution abatement facility capable of automatic backwashing.
Korean Patent Registration No. 10-0894022 (Apr. 17, 2009) discloses a filtration apparatus comprising: a cartridge porous filter having a plurality of oil holes formed on an outer periphery thereof for ultimately purifying effluent; and a plurality of flow- And a filter support member connected to the fixed portion and the fixed portion to which the cartridge porous filter and the flow-out member are fixed.
The prior art as described above discloses a non-point pollution abatement facility capable of backwashing as well as discharging stagnant water having a pretreatment tank and a filtration tank, and a cartridge porous filter in which a plurality of refined oil balls are formed on the outer periphery. However, in the former, since the pretreatment tank has a downward flow, it is difficult to secure a sufficient residence time, and thus the lifetime of the filter medium is shortened due to overload of the filtration tank. The latter has a problem in that the structure of the cartridge, There is a problem that the same effect as the present invention can not be achieved for these reasons.
The present invention provides an improved filtration cartridge and a non-point pollution treatment facility using the same. The improved filtration cartridge should be efficient for backwashing the supernatant media in the filtration cartridge. In addition, it is possible to selectively apply the backwash water through the non-point pollution treatment facility as well as to use the backwash water by the power as well as the automatic backwash by the non- (Backwash water) passing through the filtration cartridge in the opposite direction forms a flow at the center of the filtration cartridge in common, while allowing a different flow path as required. In this paper, we propose a filtration cartridge that enhances the effect of filtration and backwashing.
In addition, recent non-point pollution treatment facilities have been designed to perform backwashing within 48 hours after the end of rainfall by changing the design standards for equipment-type facilities. Backwashing is to completely remove the solids in the filter media and return to the initial conditions of the filter media to recover the treatment efficiency and the lost head. Therefore, there is a demand for filtration (filter) of a new technology capable of simultaneously performing the conventional filtration function and backwashing. According to the present invention, it is possible to maintain the filtering linear velocity of the filter media at the time of rainfall in accordance with the design standard to ensure sufficient processing efficiency, and to effectively remove the solids in the filter media by increasing the pores of the filter media during backwash So that the filter cartridges are always kept in the best condition.
In addition, the present invention is advantageous in precipitating large contaminants, which is an advantage of upflow and / or downflow pretreatment vessels, while effectively preventing the rising of waste and oil components, as well as being a disadvantage of conventional upflow and / or downflow pre- A new type of pretreatment tank which solves the problem that the lifetime of the filter media is shortened due to the overload of the filtration tank due to the occurrence of contamination and clogging of the filter media or the difficulty in securing sufficient residence time, do.
Accordingly, it is an object of the present invention to improve the processing capability of the pretreatment tank and to reduce the treatment load of the filtration tank, thereby prolonging the service life of the filtration media and increasing the treatment efficiency.
In addition, the apparatus type facility is a semi-permanent facility, and the filtration tank should be easy to maintain, and it is intended to disclose a device type facility that is easy to manage. Another object of the present invention is to develop such a structure that achieves such a function and requires a low cost.
Above all, the present invention is capable of not only backwashing using stagnant water automatically after the end of rainfall, but also at the same time removing stagnant water, and also allowing the use of additional backwash water when necessary, And to develop it as an existing facility.
In order to solve the above-described problems, the present invention provides a non-point pollution treatment facility for discharging treated water flowing from an inflow pipe and filtered water filtered from the inflow pipe to an outflow pipe, Wherein the non-point pollution control facility includes a filtration tank for filtering the water to be treated, wherein when the treated water does not flow into the non-point pollution treatment facility, stagnation water remains in the stagnation water space in the non-point pollution treatment facility, Wherein the filtration unit includes a horizontal plate, the horizontal plate divides the filtration tank into upper and lower portions, and the stagnation water in the stagnation water space flows through the filtration tank partitioned by the horizontal plate The lower part is the object to be treated, and the filtration tank backwash water space, which is the upper part of the filtration tank divided by the horizontal plate, The filtration tank and the backwash water tank are connected to each other through the second diaphragm and the second diaphragm is connected to the first diaphragm and the backwash water tank, The filtration water filtered in the filtration tank is flowed into the backwash water tank and flows into the backwash water tank through the outlet pipe, A part of the filtered water is left and the filtered water filtered through the outflow pipe is discharged and a backwash water washing water space is formed as a space which can be partially stored in the backwash water tank before the filtered water is discharged by the outflow pipe A backwash water pump is installed below the backwash water washing water space, and the backwash water pump is disposed in the backwash water washing water space Is returned to the filtration tank, and the filtration unit is backwashed.
The filtrate water return pipe is connected to the backwash water pump and the filtrate water return pipe is connected to the filtration tank to return the filtered water filtered in the backwash water washing water space to the backwash water in the filtration unit.
In the present invention, the horizontal plate is provided with a cartridge mounting hole, and the filtration tank is divided into upper and lower portions, the upper and lower divided filtration tanks are led through the cartridge mounting hole, the cartridge mounting hole is provided with a filtration cartridge, Wherein the backwash water is backwashed in the filtration cartridge when the filtration unit is backwashed, forming a flow in a direction opposite to that during filtration.
Wherein the filter cartridge includes a cartridge housing having an inner space and an upper portion opened to form a filtration tank common-type filter medium space in which the floating filter medium is located, and a cartridge lid opening and closing an open top of the cartridge housing, The cartridge lid is provided with a water hole, and the filtered water filtered by the floating image is discharged through the water hole.
And the filter cartridge is detachably mounted on the cartridge mounting hole.
The outer periphery of the upper portion of the filtration cartridge extends outward to form an outer periphery expanding portion and the outer periphery expanding portion is caught around the cartridge abutment hole so that the filtration cartridge is detachably attached to the cartridge abutment hole .
And a cartridge socket is attached and fixed to the horizontal plate to form the cartridge mounting hole, and the cartridge housing is fitted into the cartridge socket.
And a locking recess formed in the cartridge socket to correspond to the locking hole of the cartridge receptacle so that the cartridge housing is inserted into the cartridge socket and then rotated, And the cartridge housing is detachably coupled to the cartridge socket by being inserted into the latching groove.
And a piercing pipe located inside the cartridge housing, the piercing pipe being connected to the piercing hole so as to prevent leakage of the pierced-type filtering medium and flow out the water to be treated.
And a backwash water pipe is connected to the cartridge housing to backwash the filter media in the common filter media space in the cartridge housing.
And the filtered water conveyance pipe is connected to the cartridge housing so that filtered water conveyed by the filtered water conveyance pipe backwashes the floating type filter media in the cartridge housing.
And a nozzle extension pipe connected to the filtered water return pipe and extending to the inside of the cartridge housing so as to backwash the floating type filter media in the cartridge housing with the backwash water flowing from the filtered water return pipe .
The nozzle extension pipe extends into the hole through the water hole. During the water treatment, the filtered water is discharged to the upper portion of the filter cartridge through the hole and the water hole. During backwashing, the water hole extends through the water hole and the nozzle extension pipe And the backwashing agent is backwashed in the cartridge housing.
Wherein the water through hole has a double water passage structure and the double structure water passage structure has an outer passage hole and an inner passage hole inside the outer passage hole, the inner passage hole being connected to the outer passage hole and the support piece, Wherein one of the inner through holes is connected to the nozzle extension pipe and the other is connected to the filtered water return pipe so that filtered water is discharged through the hole and the outer hole when the water treatment is performed, And the backwash water flowing from the filtered water return pipe is injected into the cartridge housing through the inner hole and the nozzle extension pipe.
Wherein the cartridge housing further includes a deformation film, wherein the deformation film flows in accordance with a flow of water, and the deformation film deforms convexly toward the inside of the cartridge housing according to the flow of water at the time of water treatment, In order to reduce the size of the image.
A buoyancy plate is installed in the cartridge housing to receive a force in the upward direction by buoyancy during water treatment to reduce the volume of the filtration tank common-use filter medium space, and when the backwashing is performed, And the volume of the filtration tank common-use filter medium is increased.
Wherein the buoyancy plate is provided with a buoyancy plate hole through which the buoyancy plate is inserted so that the buoyancy plate can move up and down, and the bottom of the buoyancy plate and the bottom of the cartridge housing are connected by a blocking membrane, And the barrier membrane is made of a material to be flowed so that it is folded when the buoyant plate is moved downward and is expanded when the buoyant plate is moved upward.
The screening device is installed in the pretreatment tank. The screening device is provided with an induction pipe for flowing the treatment object water downward so that the flow of water to be treated in the pretreatment tank can flow upward and downward, And an end of the induction pipe is inserted into the through hole.
The screen device is provided with a screen and a pretreatment filtration unit, and the number of the objects to be treated in the pretreatment tank forms a flow in the upward direction and passes through the screen and the pretreatment filtration unit. The screen is installed inside the housing and the pre-filtration unit is located on the top of the screen, and the pre-filtration unit is located at the top of the screen, Wherein the screen device comprises a screen device body and a support leg which separates the screen device body from the bottom of the pretreatment bath to fix the screen device body so that the upward flow after flowing the treated water between the bottom of the pretreatment bath and the screen device body The upper portion of the housing is opened, So that the floating contaminant of the object water in the upward flow can be moved to the upper portion of the pre-treatment tank after passing through the floating contaminant passage hole, the screen having an upper surface inclined toward the floating contaminant- So that the floating contaminants slip and move up the screen to prevent clogging of the screen.
According to an aspect of the present invention, there is provided a filter cartridge in which filtration water is filtered in a downward direction and filtration water forms a downward flow to back wash the filtration water, Characterized in that the variable means reduces the volume of the floating material space according to the flow of water during the water treatment and increases the volume of the floating material space according to the flow of water during backwashing. .
The filtration cartridge may be installed in the non-point pollution treatment facility described above.
According to the improved filtration cartridge of the present invention, backwashing of the supernatant media in the filtration cartridge is efficient. In addition, it is possible to selectively apply the backwash water through the non-point pollution treatment facility as well as to use the backwash water by the power as well as the automatic backwash by the non-powered force. All of the filtered water passing through the filtration cartridge in the opposite direction during the backwashing forms a flow at the center of the filtration cartridge, but the flow path of water during filtration and backwash is different. That is, during filtration, filtered water is not discharged through a pipe for supplying backwash water, which is efficient.
In addition to the existing non-point pollution control facilities, it has been provided with a new filtration filter that can perform both the existing filtration function and the backwashing in response to the design standard for the facility-type facility. The filtration cartridges always maintain the best conditions by allowing the contaminants in the filter media to be effectively removed by increasing the pores of the filter media during backwashing after the end of rainfall.
In addition, the filter cartridge can be detached and attached, and the non-specialist can easily clean and replace the filter media, which is easy to maintain during operation. Cartridges can be used semi-permanently, and maintenance costs can be reduced by periodically exchanging filter media only. The filter media in the cartridge can be selectively applied depending on the shape and the composition of the contaminants. The performance of the filter media is maintained at the best according to the operation during the processing of the buoyant plate in the cartridge. During backwashing, the filter material can be reduced to the initial condition, which increases the life span. Automatic backwashing and manual backwashing can be selectively applied to the cartridge structure.
The present invention is advantageous in precipitating large contaminants, which is an advantage of upflow and downflow pretreatment vessels, while effectively preventing waste and oil components floating on the flotation column, as well as preventing disadvantages of conventional upflow and downflow pre- It is difficult to secure a sufficient residence time and the life of the filter medium is shortened due to overload of the filtration tank. Thus, the present invention can improve the processing capability of the pretreatment tank and reduce the processing load of the filtration tank, thereby prolonging the lifetime of the filter media and increasing the treatment efficiency.
The device-type facility is a semi-permanent facility, and the filtration tank should be easy to maintain. The present invention is not only a device-type facility that is easy to manage, but also achieves the above- Do.
Above all, not only is it possible to perform backwashing using stagnant water automatically after the end of rainfall, but also a facility for removing stagnant water at the same time, as well as supplying backwash water by power as needed, By increasing efficiency, non-specialists can easily operate the facility while maintaining a high level of quality.
1 is a sectional view taken along the line AA of FIG. 1, FIG. 3 is a sectional view taken along the line BB of FIG. 1, and FIG. 4 is a cross- 1, and Fig. 5 is a DD sectional view of Fig. FIG. 6 shows the water treatment process and stagnant water in the non-point pollution control facility.
FIG. 7 is a view showing a part corresponding to the static water filtration water in the non-point pollution treatment facility according to an embodiment of the present invention.
8 is an enlarged view of a filtration unit of a filtration tank of a non-point pollution treatment facility according to an embodiment of the present invention.
9 to 11 show a part of a filtration unit which is one embodiment of the present invention. FIG. 9 is a conceptual view showing a combination of a horizontal plate and a filtration cartridge, FIG. 10 shows a filtration cartridge, It is an exploded view.
12 and 13 are enlarged views of a portion F of Fig. 8 showing a filtration cartridge which is an embodiment of the present invention. FIG. 12 shows that a deformation film is provided on the lower part of the filter cartridge, FIG. 13 shows the buoyancy plate as another embodiment, FIGS. 12A and 13A show the water treatment time, FIGS. It shows the flow of water.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood that the present invention is not limited to the disclosed embodiments, but may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, It is provided to inform.
Treatment Facilities Overview
1 is a sectional view taken along the line AA of FIG. 1, FIG. 3 is a sectional view taken along the line BB of FIG. 1, and FIG. 4 is a cross- 1, and Fig. 5 is a DD sectional view of Fig. FIG. 6 shows the water treatment process and stagnant water in the non-point pollution control facility.
As shown in the drawings, an embodiment of the present invention relates to a non-point pollution treatment facility installed in the ground. Generally, the non-point pollution treatment facility is installed in the ground, but the technical idea of the present invention is not limited to the case where it is installed in the ground. In some cases, non-point pollution facilities may be installed on ground or surface structures. And any of the technical features of the present invention described below belong to the protection scope of the present invention. However, this embodiment shows that the present invention is installed in the ground as a representative embodiment to which the present invention is applied.
The non-point
The treatment system of the non-point
A
FIG. 6 shows a process of water treatment by a non-point pollution treatment facility, which is an embodiment of the present invention. In FIG. 6, arrows in the drawing show paths through which water to be treated flows in and flows out. 6, the 'treated water' flowing into the non-point
The inflow pipe and the outflow pipe may be connected in a straight line as shown in a plan view of FIG. 1 of the present embodiment, or may be disposed at a predetermined angle or in a shifted manner to match the site. However, the height of the inflow pipe and the outflow pipe should be designed so that the non-point pollution control facility can implement the function. In general, the outflow pipe is formed lower than the inflow pipe in order to operate the facility by natural descent.
Wherein the inflow pipe is collected and introduced into a road, a side wall of a building, a car park, or the like including non-point pollutants, and the non-point pollutant is treated by filtration, adsorption, etc., And is discharged to the
In the present embodiment, the number of objects to be treated flows over the
As can be seen from the arrow in Fig. 6, the water to be treated flows into the lower portion of the filtration tank and flows out from the upper portion of the filtration tank. The
The water to be treated flows into the lower portion of the
Stagnant water space and backwash water
The stagnant water is generated when the object water does not flow into the non-point pollution control facility 100 (for example, when no rain is coming). In the non-point
In the case of the
A part of the filtered water filtered in the
As a result, in the case of the
As described above, in the present embodiment, the treatment object water is introduced from the
The
A backwash water cleaning water space (V2) is formed in the backwash water tank (40) to be partially stored in the backwash water tank (400) before the filtered water is discharged by the outlet pipe (60) A backwash water pump P3 is installed below the backwash water washing water space V2 and the backwash water pump P3 conveys the filtered water in the backwash water washing water space V2 to the
The
The use of filtered filtrate in the filtrate backwash water space (V1) as backwash water is performed at the same time as removing the stagnant water. That is, when the filtration tank stagnant water discharge pump P2 of the filtration tank is operated to remove stagnant water, the stagnant water in the filtration tank is discharged through the stagnant
According to this embodiment, it is possible to perform backwashing automatically using filtered water when removing stagnant water, and a method of using power is presented. Unlike the present embodiment, a method using a non-dynamic force is also possible. In the case of using power, it is constructed to be capable of automatic removal of stagnant water and automatic backwashing by using electric and solar batteries and rain sensor. In case of non-motorized, periodically, by suction type sweeper, . In addition, the meaning of automatic backwashing means that the filtered water filtered by the facility is not recycled but supplied to the lower part of the non-point pollution treatment facility, that is, (Not shown), which means that no additional power is needed during backwashing.
The filtration tank stagnant water discharge pump P2 and the stagnant
The backwash water used in backwashing of the present invention can be summarized as follows. First, filtered water in the filtration tank backwash water space (V1) can be used as backwash water automatically without any additional power, that is, The backwash water may be introduced into the filtration tank by using a pump. In the case of this embodiment, after the filtered water remains in the separate
Double water through structure of filtration cartridges
The
9 to 11 show a part of a filtration unit which is one embodiment of the present invention. FIG. 9 is a conceptual view showing a combination of a horizontal plate and a filtration cartridge, FIG. 10 shows a filtration cartridge, It is an exploded view. The
The
The floating filter medium of the filtration tank (the floating filter medium of the pre-filtration unit, which will be described later) is the same as that of the filtration unit of the filtration tank, and the disturbance state is elapsed when the filtered water flows downward. The cartridge housing has an outer wall and a bottom in the form of a net (or screen or sieve) and stores the superficial media therein. A cartridge lid which can be opened and closed is coupled to the upper portion of the cartridge housing, and after removing the cartridge lid, the add-on media in the cartridge housing can be taken out and replaced. A
The
The outer periphery of the
A
A portion of the upper periphery of the upper portion of the
The present embodiment further includes a
In this structure, the object to be treated passes through the floating filter medium in the
Accordingly, when the backwash water flowing into the
A backwash water pipe may be connected to the
The backwash water pipe may be the filtered
The backwash water conveyed to the above-described filtrate
The present embodiment is connected to the filtered water return pipe and extends back into the
As described above, the water flow hole 360 is formed in the cartridge lid 360. The water passage hole 360 is connected to a
The
This is because the dual water flow structure including the inner through-holes supported by the outer through-holes and the supporting fins is preferable because it is effective to form a flow of water from the central portion or the central portion of the filtration cartridge both during filtration and backwash. Further, as described above, in order to recycle the filtered water as backwash water, the above-described structure is preferable in order to divide the filtered water into the backwash water space of the filtration tank by the natural water level and the backwash water washing water space by the power. That is, the feature of this embodiment resides in that the outflow and inflow paths of the filtered water are made different from each other even though the outflow and inflow of the filtered water occur at the center of the filtration cartridge.
Adjust internal volume of filtration cartridge
12 and 13 are enlarged views of a portion F of Fig. 8 showing a filtration cartridge which is an embodiment of the present invention. FIG. 12 shows that a deformation film is provided on the lower part of the filter cartridge, FIG. 13 shows the buoyancy plate as another embodiment, FIGS. 12A and 13A show the water treatment time, FIGS. It shows the flow of water.
The arrows in Figs. 12 and 13 show the flow of water. It is preferable that the density of the floating type filter media in the filter cartridge is relatively increased when water is treated and is relatively low when the filter is backwashed. This is to increase the effect of filtration during filtration and to easily remove contaminants during backwashing. The present invention can adjust the volume of the filter medium itself or adjust the gap between the filter medium particles and the particles so that the density during filtration and the backwash can be different.
The cartridge housing further includes a deformation film (345), wherein the deformation film flows in accordance with a flow of water, and the deformation film deforms convexly toward the inside of the cartridge housing according to the flow of water during water treatment, The volume of the filter material space is reduced, and when the filter is backwashed, the deformation film is deformed to the outside of the cartridge housing according to the flow of water, thereby enhancing the volume of the filter material portion of the common filter material space (in preparation for water treatment). The deformed film may be formed of, for example, a soft synthetic resin material, or a vinyl paper that flows freely. However, a material that does not allow water to pass through is preferable. It is preferable that the deformation film is formed in a larger area than the cross section of the cartridge housing. When the outer periphery of the deformable film is attached to the outer wall of the cartridge housing and the inner side of the deformable film is attached to the porosity tube portion, the deformable film is convex upward according to the flow of water during water treatment.
In another embodiment shown in FIG. 13, a
Meanwhile, when the buoyant plate moves in the upward direction, the unfiltered filtered water can be discharged to the upper portion of the filtration cartridge through the pore tube and the outer pore hole by the pore tube exposed below the buoyancy plate. In order to solve this problem, the lower part of the buoyant plate and the bottom of the cartridge housing are connected to each other by a blocking
In summary, in the present embodiments, when the buoyancy of the buoyancy plate due to the buoyancy of the lower portion of the filter cartridge during the rainfall is deformed or deformation of the deformation film is applied, the filter material is pressed to have a constant air gap and filtration line speed, During backwashing (water washing) after the end of rainfall, sufficient space of the filter layer is ensured by the movement of the buoyancy plate or deformation of the deformation film, and disturbance and collision of the filter material are caused by water washing through the backwash nozzle, The filtration cartridges can be reduced to the initial conditions of the filter media by effectively removing the contaminants.
Such a filtration cartridge can not be applied only to a non-point pollution treatment facility. As already mentioned in the specification, the structure of the present filtration cartridges can be applied to various water treatment facilities or devices, and these are considered to be included in the protection scope of the present invention.
That is, not only a filtration cartridge installed in the above-mentioned non-point pollution treatment facility, but also a filtration cartridge in which water to be treated is filtered downwardly and the filtrate water forms a downward flow to backwash, Wherein the volume of the at least one auxiliary filter medium is varied according to the flow of the water during the water treatment and the volume of the at least one auxiliary filter medium is changed according to the flow of the water at the time of backwashing Various types of relatively large filtration cartridges are also within the scope of the present invention.
Pretreatment tank and screen device
As described above, the non-point pollution treatment facility according to the present invention includes a
The non-point pollution treatment facility may include two or more filtration vessels as needed, or may have a separate treatment vessel for adsorbing oil and the like. The present invention can be applied regardless of the name of the non-point pollution treatment facility, regardless of the name, if it includes a pretreatment tank for entering the treatment object water into which the screen is installed and a treatment tank filtration tank It is.
14 to 16 show a screen device installed in a pretreatment tank according to an embodiment of the present invention. Fig. 14 is an isometric view of the screen device used in an embodiment of the present invention, Fig. 15 is a partially cut isometric view of a screen device showing movement of floating contaminants during water treatment, Fig. Is a partially cut isometric view of the screen device showing the path of the object number.
The pretreatment vessel is provided with a screen device (
The number of objects to be treated in the pre-treatment tank forms a flow in the upward direction and passes through the screen and the pre-treatment filtration part. The treatment object water that has passed through the pre-treatment filtration part forms a downward flow, Wherein the screen and the pre-processing and filtering unit constitute a
The screen device includes an
This will be described in more detail. It is possible to effectively block the wastes and oil components that float while being advantageous in depositing large scum, which is an advantage of conventional upflow and / or downflow pretreatment vessels, as well as to effectively remove floatation and oil components which are disadvantages of conventional bottom- and / The present invention solves the problem that the lifetime of the filter media is shortened due to overload of the filtration tank because it is difficult to secure sufficient residence time or to cause contamination and clogging of the filter media by passing through the filtration tank as it is. It is a mixed type pretreatment tank that combines a downflow pretreatment tank. The mixed type pretreatment tank can sufficiently treat the floating contaminants and oil components through the upward flow screen and the primary settler through the sufficient residence time. In addition, it is also possible to increase the processing capacity and lifetime of the filtration tank while minimizing the clogging of the filtration media by installing a floating filter medium having a large particle diameter and a large void on the screen.
First, a
The
As described above, the filtration part in the filtration tank also uses the floating filter material. In order to use the floating filter material in the filtration part of the filtration tank, the water to be treated must flow into the lower part of the filtration tank, The flow of the water to be treated in the pretreatment tank must be such that the upward direction and the downward direction coexist. That is, the object to be treated should be flowed downwardly after being processed by the screen and the pre-treatment filtration unit in a flow state in the upward direction, and then introduced into the lower portion of the filtration tank through the through-hole. The filter material of the pre-treatment tank and the filtration tank is flotation type, and as a result, the object to be treated in the pre-treatment tank and the filtration tank has an upward flow and performs an automatic backwash function.
The
The
The
The upper portion of the
In order to facilitate such a function, the
Although the present invention has been described by way of specific embodiments, the present invention is not limited thereto. It is needless to say that modifications and variations are possible within the scope of the technical idea of the present invention.
10: abandoned concrete
20: Safety ladder
30: Solar cell
40: Distribution board
50: inlet pipe
60: Outflow tube
70: stagnation water discharge pipe
90: Manhole
100: Non-point pollution treatment facility
V: Congestion water space
V1: Backwash space of filtration tank
V2: Backwash water
P1: Pretreatment regulator water discharge pump
P2: Filtration tank stagnation water discharge pump
P3: Backwash water pump
200: Pretreatment tank
201: Pre-treatment bath floor
210: Screen
220: Pretreatment filtration section
201: Pre-treatment bath floor
202: first partition
203: passage
210: Screen
220: Pretreatment filtration section
230: Screen device
231: Housing
232: induction tube
232a: end of induction tube
233: support leg
234: Screen device body
235: Injury pollutant passing hole
236: mesh
300: filtration tank
302: second partition
303:
310:
320: filtration cartridge
330: Horizontal plate
331: Cartridge mounting ball
332: cartridge socket
333:
341: cartridge housing
342:
342a: nozzle extension pipe
343:
344: stumbling block exit
345:
346: Buoyancy plate
347: Buoyancy plate hole
348:
350: Filtration tank
360: Cartridge lid
361: Through hole
361a: Outer cavity
361b: Inner opening
361c:
363: Handle for maintenance
400: Backwash water tank
410: Filtration water return pipe
Claims (21)
The filtration unit includes a filtration unit 310 for filtering the water to be treated in a bottom-up manner, wherein the filtration unit includes a horizontal plate 330, and the horizontal plate 330 divides the filtration tank into upper and lower portions, A hole 331 is formed, the filtration tank partitioned by the upper and lower portions passes through the cartridge mounting hole,
A filter cartridge 320 is installed in the cartridge mounting hole,
Wherein the backwashing water is backwashed in the reverse direction when the backwashing water is filtered in the backwashing of the filtration unit,
The cartridge includes a cartridge housing (341) having an inner space for forming a filtration cavity common-type filter medium space (350) where the floating filter medium is located,
A buoyancy plate (346) is installed in the cartridge housing to receive a force in the upward direction by buoyancy to reduce the volume of the filtration tank common filtration media space. During backwashing, To increase the volume of the common filter medium space
Nonpoint pollution treatment facility.
The treated water flows into the inflow pipe 50. The filtered water filtered through the inflow pipe is discharged to the outflow pipe 60,
Stagnant water remains in the stagnant water space (V) in the non-point pollution treatment facility,
The number of stagnation water in the stagnant water space is the number of the lower part of the filtration tank divided by the horizontal plate, the filtration water remains in the filtration tank backwash water space (V1) which is the upper part of the filtration tank divided by the horizontal plate, And the filtered water in the filtrate backwash water space (V1) is used as backwash water during backwashing
Nonpoint pollution treatment facility.
The non-point pollution control facility further includes a backwash water tank (400)
The filtration tank and the backwash water tank are divided by a second partition wall, and a rim hole is formed in the upper part of the second partition wall. The filtered water filtered in the filtration tank is flowed into the backwash water tank, The outlet pipe is connected to the backwash water tank, and some filtered water remains in the backwash water tank, and the filtered water filtered through the outlet pipe is discharged,
A backwash water washing water space (V2), which is a space that can be partially stored in the backwash water tank, is formed before the filtered water is discharged by the outlet pipe,
A backwash water pump P3 is installed below the backwash water washing water space,
The backwash water pump returns the filtered water in the backwash water washing water space to the filtration tank to backwash the filtration unit,
The filtrate water return pipe is connected to the backwash water pump and the filtrate water return pipe is connected to the filtration tank so that the filtered water filtered in the backwash water washing water space is returned to the backwash water of the filtration unit
Nonpoint pollution treatment facility.
Characterized in that the filtration cartridge is detachably mounted on the cartridge mounting hole
Nonpoint pollution treatment facility.
The outer periphery of the upper portion of the filtration cartridge expands outward to form the outer periphery expanding portion 343,
Characterized in that the outer circumferential extension portion is hooked around the cartridge mounting hole so that the filtration cartridge is detachably mounted on the cartridge mounting hole (331)
Nonpoint pollution treatment facility.
A cartridge socket (332) is attached and fixed to the horizontal plate to form the cartridge mounting hole,
Characterized in that the cartridge housing is fitted in the cartridge socket
Nonpoint pollution treatment facility.
A part of the outer periphery of the upper portion of the cartridge housing is protruded to form an obstacle exit,
Wherein the cartridge socket is formed with a locking groove corresponding to the locking hole exit,
Wherein the cartridge housing is inserted into and detached from the cartridge socket by inserting the cartridge housing into the cartridge socket and then rotating the cartridge housing so that the locking hole is fitted into the locking groove.
Nonpoint pollution treatment facility.
Wherein the filtration cartridge includes a cartridge lid (360) that opens and closes an open top of the cartridge housing,
A water flow hole 361 is formed in the cartridge lid so that filtered water filtered by the floating type filter material flows out through the water flow hole 361,
Further comprising a pouring pipe (342) located inside the cartridge housing to prevent leakage of the pouring filter medium and to discharge the water to be treated, wherein the pouring pipe is connected to the water pouring hole,
The buoyancy plate is formed with a buoyancy plate hole (347) through which the buoyant plate is fitted so that the buoyant plate can move up and down.
The lower portion of the buoyant plate and the bottom of the cartridge housing are connected to each other by a blocking membrane 348. The blocking membrane covers the pores and blocks inflow of water to be treated into the lower pores of the buoyancy plate,
Wherein the barrier membrane is a flowing material and is folded when the buoyant plate moves downward and is expanded when the buoyant plate moves upward.
Nonpoint pollution treatment facility.
Wherein the backwashing water is backwashed in the reverse direction when the backwashing water is filtered in the backwashing of the filtration unit,
The cartridge includes a cartridge housing (341) having an inner space for forming a filtration cavity common-type filter medium space (350) where the floating filter medium is located,
A buoyancy plate (346) is installed in the cartridge housing to receive a force in the upward direction by buoyancy to reduce the volume of the filtration tank common filtration media space. During backwashing, To increase the volume of the common filter medium space
Filter cartridges.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020150103859A KR101799513B1 (en) | 2015-07-22 | 2015-07-22 | Filter cartridge and the non-point polution reducing system |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020150103859A KR101799513B1 (en) | 2015-07-22 | 2015-07-22 | Filter cartridge and the non-point polution reducing system |
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| KR1020170090611A Division KR101842653B1 (en) | 2017-07-17 | 2017-07-17 | Filter cartridge and the non-point polution reducing system |
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| KR20170011353A KR20170011353A (en) | 2017-02-02 |
| KR101799513B1 true KR101799513B1 (en) | 2017-11-20 |
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| CN106836297A (en) * | 2017-02-26 | 2017-06-13 | 陈益民 | Concrete prefabricated spherical sewer pipe inspection shaft |
| KR101884876B1 (en) * | 2017-12-08 | 2018-08-03 | 한국건설기술연구원 | Non-point pollution reducing system having a modular filter apparatus |
| KR102141316B1 (en) * | 2019-10-31 | 2020-08-04 | 박소민 | Advanced sewage treatment complex carrier module and alkaline solid carrier and acidic solid carrier |
| CN118479671A (en) * | 2024-05-20 | 2024-08-13 | 杭州隆升电气有限公司 | Nanofiltration device for water treatment engineering and treatment process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101243415B1 (en) * | 2012-07-04 | 2013-03-13 | 최중철 | Rainwater purification apparatus |
| KR101384490B1 (en) * | 2012-03-15 | 2014-04-15 | (주) 한국엔피기술 | Auto storm treatment |
| KR101436281B1 (en) * | 2014-03-12 | 2014-08-29 | 씨앤씨주식회사 | Rain water treatment apparatus |
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| KR100894022B1 (en) | 2008-09-09 | 2009-04-17 | 주식회사 한솔환경산업 | Non-point source contaminant treatment apparatus |
| KR101242378B1 (en) | 2012-11-26 | 2013-03-15 | (주)이앤씨 | Back washing type apparatus for disposing non-point pollution source using floater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101384490B1 (en) * | 2012-03-15 | 2014-04-15 | (주) 한국엔피기술 | Auto storm treatment |
| KR101243415B1 (en) * | 2012-07-04 | 2013-03-13 | 최중철 | Rainwater purification apparatus |
| KR101436281B1 (en) * | 2014-03-12 | 2014-08-29 | 씨앤씨주식회사 | Rain water treatment apparatus |
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