KR101245234B1 - Filtering apparatus with the function of self-washing - Google Patents

Abstract

PURPOSE: A continuous rotary equational filtering apparatus is provided to be able to be used continuously without periodical maintenance and to perform a decomposition process to organic/inorganic compounds and an extinction process to bacteria by first filtering relatively large particles and second plasma discharge, and to have an automatic washing function and a plasma discharge function. CONSTITUTION: A continuous rotary equational filtering apparatus comprises a casing(100), a first chamber(110), a second chamber(120), a third chamber(130), a first partition plate(140), a second partition plate(150), plural inner casings(160), a filtering member(170), a cover plate(180), a drain member(190) and an actuator(200). In filtering, water positioned between said inner casing and said filtering member is flowed into the filtering member while passing the filtering surface of the filtering member, and accumulates foreign substances on the filtering surface of the filtering member. In washing, foreign substances accumulated on the filtering surface of the filtering member are separated by a first flow that water positioned within the filtering member passes the filtering surface of the filtering member toward the outside of the filtering member, and a second flow that water in the third chamber passes a third through-hole(161) and then, between the inner casings and the filtering member.

Description

Filtering Apparatus with the function of self-washing with automatic washing and plasma discharge

The present invention is a filtration device for treating the water to be treated, in particular equipped with an automatic cleaning function for the filtering member, the first to filter the foreign matter of relatively large particles and then secondly to the decomposable organic matter in the water by using the plasma discharge underwater It is a technology for a filtration device that decomposes inorganic substances and kills various bacteria.

One of the most important factors for the survival of all living things is water, which can be divided into seawater and freshwater. Due to changes in the global environment, the amount of water actually available to humans is decreasing, and Korea is also recognized as a water shortage country.

Because of the industrial activity of humans, seawater and fresh water continue to be contaminated beyond the self-cleaning function of the water, thereby accelerating the destruction of ecosystems. Due to increased trade between countries, most imports and exports are transported by ship, and large container ships are equipped with ballast tanks to store and discharge seawater or fresh water as needed. When a vessel containing seawater or freshwater from one region moves to another region and releases the water contained in the ballast tank, various foreign organisms are introduced, causing ecosystem disturbances.

Recognizing these problems, the United States has long mandated the management and control of ballast water. In Australia, ballast water is defined as imported cargo to be quarantined and directly quarantined. In addition, the International Maritime Organization (IMO) signed an international agreement in 2004 and has been compulsory to ship ballast water sterilizers on board since 2009.

Accordingly, various ballast water treatment devices have been developed. However, in the case of a treatment device using various filtering members for filtration, various checks have been made over time, so that its function is weakened and its function is weakened. . However, in order to clean the filtering member, the ballast water treatment device has been partially dismantled, and thus, the worker has to perform the cleaning work one by one, which is becoming a very embarrassing task.

This problem becomes one of the problems encountered not only in the ballast water treatment but also in the filtration treatment for wastewater on land.

That is, various filtration apparatuses for filtering foreign matters have been developed on land and at sea, and the present invention relates to such various filtration apparatuses (or also called strainers).

On the other hand, Japanese Patent Application Laid-Open No. 57-209616 "Automatic Backwash Strainer" has been proposed.

In the conventional automatic backwashing filtration device as described above, foreign matter accumulates on one side of the filtration member so that water passes from one side of the filtration member to the other side of the filtration member during filtration, and the filtration member during washing (backwashing). By passing water from one side of the filtering member to the other side of the foreign matter accumulated on one side of the filtering member is to be separated from the filtering member.

Such prior art is considered to be incorporated herein.

However, the prior art as described above has the following problems.

Foreign matter accumulated on the filtration member is not evenly accumulated with respect to the front surface of the filtration member. In other words, a large amount of foreign matter may accumulate at one location while a small amount of foreign matter may accumulate at another location. That is, foreign matter accumulates unevenly over the entire surface of the filtration member.

In this case, a large amount of accumulated foreign matter has a very strong adhesion to the filter member, while a small amount of accumulated foreign matter is very weak to the filtering member.

That is, the more foreign matter accumulates, the wider the area where the foreign matter and the filtration member contact each other, and in this case, the adhesion of the foreign matter to the filtration member increases.

Therefore, when washing the filtration apparatus, foreign matter is first separated from the filtering member at a portion where the adhesion is weak, that is, a small amount of foreign matter accumulated.

In addition, when the separation of foreign matter occurs in the site where a small amount of foreign matter accumulates, the fluid mainly tries to flow in the site where the foreign matter has escaped, and almost no flow occurs to the site where a large amount of foreign matter accumulates.

That is, the site where a large amount of foreign matter accumulates is very difficult to be separated from the filtering member unless foreign matter is released from the initial stage of washing.

Due to this tendency, foreign matters do not occur in areas where a large amount of foreign matter accumulates, and the accumulated amount of foreign matter gradually increases, and as a result, all the filter pores of the filtering member accumulate (growth) of such foreign matter. To be blocked.

Therefore, even in the case of the automatic backwash filtration device, due to this problem, the filtration pores gradually become clogged when used for a long time, and as a result, it is impossible to continuously use the filter without directly repairing the filtration member.

In general, water treatment technology can be roughly divided into physical and chemical treatment, biological treatment, and multi-stage treatment. However, a lot of researches are currently being carried out to see a better water treatment effect beyond these technologies, and a lot of research is being conducted around a so-called advanced water treatment technology. In view of the above-described types of advanced water treatment technology, there are 1) an electrochemical method, 2) an electric and magnetic water treatment technology, 3) an ultraviolet water treatment technology, and 4) a plasma water treatment technology. It belongs to water treatment technology using plasma.

On the other hand, the conventional water treatment technology is agglomeration treatment, ozone oxidation treatment using ozone, activated carbon adsorption to adsorb soluble organic compounds and compounds, biological treatment by microorganisms, fenton oxidation process and the like are widely used. Among them, ozone is the most commonly used, and efforts are being made to apply ozone to environment improvement and disease prevention in workplaces such as industrial wastewater and landfill leachate. This is because ozone has strong oxidizing power, which theoretically has the potential to completely decompose organic matter into CO2 and H2O, and produces no by-products.However, as the chemical properties and decomposition mechanism of ozone are revealed, ozone and It is known that the reaction with some organic matters occurs selectively or the reaction rate is slow.

In order to overcome the shortcomings of the ozone treatment and the limitations of the conventional oxidation treatment process, an advanced oxidation treatment method which promotes the generation of OH radicals having much stronger oxidation power in water than other ordinary oxidizing agents to purify contaminated water The Advanced Oxidation Process (AOP) is considered to be very effective for water treatment.

The advanced oxidation process goes beyond the limitations of the conventional treatment method that directly decomposes organic substances from oxidants directly injected such as ozone, hydrogen peroxide, and ultraviolet light, and combines several unit processes. It is an advanced oxidation treatment that produces and expects water treatment effects. OH Radical is an intermediate produced during the decomposition of ozone, and has a higher redox potential difference (2.80 [V]) than ozone itself. It readily targets unsaturated hydrocarbons and aromatic compounds, and in the case of halogenated compounds, replaces halogen elements. It may also be involved in degradation via pathways. After all, the ultimate goal of AOP is to maximize the concentration of these OH Radicals.

In addition, the types of AOP that can be applied to water treatment in a complex process include O3 / high pH, O3 / H2O2 (Peroxone), O3 / UV, and H2O2 / UV. This is being actively researched.

In addition, among the advanced water treatment technologies, water treatment technology using plasma is mainly used for removing harmful gases in the air environment field in the past as a low temperature plasma process, but unlike the conventional water treatment technology, it does not require chemical input, and the treatment process is simple, and the second pollution Recently, a new concept of water treatment technology has emerged as an advantage that does not occur, and discharges forming low temperature plasma include pulse streamer discharge, silent discharge, partial discharge, creepage discharge and corona discharge. Electric discharges for water pollutant treatment have been actively conducted in the United States, Japan, the Netherlands, the Czech Republic, Russia and Canada since the late 1980s. The generation of high voltage pulse discharges in water or on the surface initiates a variety of physical and chemical processes, producing UV, shock waves, and chemically active species such as H, O, OH, and H2O2. In the discharge of, it is known that when oxygen is present in the background gas, high concentrations of ozone and active radicals are generated and easily dissolved in water to participate in the process of removing pollutants.

At present, the plasma discharge technique for water treatment has been studied so much, and it is already proved by many academic experiments that it is very good effect when the plasma is added to the water has been recognized.

In the related art, Korean Patent Publication No. 10-2006-0124864 "Underwater Plasma Discharge Apparatus and Submersible Discharge Method Using Them" (2006.12.6. Publication), Korean Patent No. 10-0924649 "Dense Underwater Plasma Torch Generation apparatus and method "(October 26, 2009) and the like have been proposed, and the above prior arts are considered to be incorporated herein.

Japanese Laid-Open Patent No. 57-209616 "Automatic Backwash Strainer" (published December 23, 1982) Korean Patent Publication No. 10-2006-0124864 "Underwater Plasma Discharge Apparatus and Underwater Discharge Method Using the Same" (2006.12.6. Publication) Domestic Patent No. 10-0924649 "Generation device and method of high density underwater plasma torch" (2009.10.26. Registration)

The present invention has been made to solve the problems of the prior art as described above, even when a large amount of foreign matter accumulated by applying two flows at the same time to the foreign matter accumulated in the filtering member can be easily separated from the filtering member. The present invention provides a filtration device that can be used continuously without regular maintenance, and can filter organic particles / minerals and kill bacteria by secondary plasma discharge after filtering on relatively large particles.

The present invention to solve the above problems, the first chamber is formed inlet; A second chamber in which an outlet is formed; A third chamber provided between the first chamber and the second chamber; A first partition plate partitioning the first chamber and the third chamber and having a plurality of first through holes formed therein; A second partition plate partitioning the second chamber and the third chamber and having a plurality of second through holes formed therein; A third passage hole is provided in plurality in the third chamber, one end of which is in communication with the first passage hole, the other end of which is in communication with the second passage hole, and the other end side surface of the third passage hole in communication with the third chamber. Inner casing is formed; The inner casing is spaced apart from the inner surface of the inner casing and is provided concentrically with the inner casing. The inner end is empty, and one end in the longitudinal direction is provided to communicate with the second through hole and is filtered through the main surface. Filtering member is made; A cover plate provided at the other end in the longitudinal direction of the filtering member to block the other end in the longitudinal direction of the filtering member; A ground pipe provided concentrically with the filtering member along the inside of the filtering member and spaced apart from a main surface of the filtering member; A ground pipe fixing member coupling an upper end of the ground pipe to an upper end of the filtering member; A discharge electrode provided along an inner center of the ground pipe to cause a plasma discharge reaction with the ground pipe; A power supply unit for supplying power for the plasma discharge reaction to the ground tube and the discharge electrode; A drain line rotatably provided in the first chamber to communicate with a first through hole of a portion of the plurality of first through holes of the first partition plate; A drain member capable of communicating; An actuator for driving the drain member to rotate; And a control unit.

In the above, it is preferable that a flow path guide member in the form of a coil is provided between the inner casing and the filtering member.

In the above, it is preferable that the discharge electrode fixing member made of an insulating material provided on both ends of the discharge electrode to fix the discharge electrode to the ground pipe.

As described above, the present invention, by applying two flows to the foreign matter accumulated in the filtering member at the same time, even if a large amount of foreign matter accumulated so that the foreign matter can easily be separated from the filtering member can be used continuously without regular maintenance. In addition, the present invention provides a filtration apparatus capable of firstly filtering a relatively large particle and secondly decomposing organic matter / inorganic matter and killing bacteria by plasma discharge.

1 is a schematic cross-sectional view of a filtration device according to an embodiment of the present invention;
2 is a plan view of the second partition plate of FIG.
3 is a perspective view of the inner casing of FIG. 1, FIG.
4 is a cross-sectional view of the inner casing of FIG. 1, FIG.
5 is a cross-sectional view of the filtering member of FIG.
6 is a perspective view of the filtering member of FIG. 1, FIG.
Figure 7 is a schematic cross-sectional perspective view showing an assembly state of the support bar and the filtering ring in Figure 5,
8 is a cross-sectional view of the ground pipe and discharge electrode related configuration of FIG.
9 is a perspective view of FIG. 8;
10 is a view showing the operating state of FIG.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention in the drawings, portions not related to the description are omitted, and like reference numerals are given to similar portions throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, except to exclude other components unless otherwise stated.

1 is a schematic cross-sectional view of a filtration device according to an embodiment of the present invention, FIG. 2 is a plan view of the second partition plate of FIG. 1, FIG. 3 is a perspective view of the inner casing of FIG. 1, and FIG. 4 is an interior of FIG. 1. 5 is a cross-sectional view of the filtering member of FIG. 1, FIG. 6 is a perspective view of the filtering member of FIG. 1, and FIG. 7 is a schematic cross-sectional perspective view showing an assembled state of the support bar and the filtering ring in FIG. 5, and FIG. 8 is a cross-sectional view of the ground tube and discharge electrode related configuration of FIG. 1, FIG. 9 is a perspective view of FIG. 8, FIG. 10 is a view showing the operating state of FIG.

This embodiment is largely the casing 100, the first chamber 110, the second chamber 120, the third chamber 130, the first partition plate 140, the second partition plate 150, a plurality of interior The casing 160, the filtering member 170, the cover plate 180, the drain member 190, and the actuator 200 are formed.

The first chamber 110, the second chamber 120, and the third chamber 130 are respectively partitioned inside the casing 100. The shape of the casing 100 may be variously modified.

An inlet 111 through which water to be treated is introduced is formed in the first chamber 110.

In addition, the second chamber 120 is formed with an outlet 121 through which purified water, that is, filtered water, is discharged.

The third chamber 130 is provided between the first chamber 110 and the second chamber 120.

The first partition plate 140 is provided to partition the first chamber 110 and the third chamber 130.

A plurality of first through holes 141 (four first through holes 141 in this embodiment) are formed in the first partition plate 140.

The second partition plate 150 is provided to partition the second chamber 120 and the third chamber 130.

A plurality of second through holes 151 (four second through holes 151 in this embodiment) are formed in the second partition plate 150.

In this embodiment, the first through hole 141 and the second through hole 151 are disposed to face each other and are disposed in the same form.

A plurality of inner casings 160 are provided in the third chamber 130.

The inner casing 160 is provided for each first through hole 141 (or each second through hole 151). That is, four inner casings 160 are provided in this embodiment.

One end of the inner casing 160 is fixed to the first compartment plate 140, and the other end thereof is fixed to the second compartment plate 150.

Each inner casing 160 is provided so that one end is in communication with the first through hole 141 and the other end is in communication with the second through hole 151.

In addition, a plurality of third through holes 161 communicating with the third chamber 130 are formed on the main surface of the other end side of the inner casing 160 (ie, the second partition plate 150 side).

The filtering member 170 is provided for each inner casing 160.

In the present embodiment, each filtering member 170 includes a flange 171, a plurality of support bars 172, and a plurality of filtration rings 173.

Support bar 172 is provided along the longitudinal direction of the inner casing 160, are arranged parallel to each other and are spaced apart.

A plurality of filtration rings 173 are fixed to the plurality of support bars 172.

Each filtration ring 173 is fixed to the plurality of support bars 172 in the form of a ring.

In this embodiment, the cross section of the filtration ring 173 has a triangular shape.

In addition, the plurality of filtration rings 173 are spaced apart from each other along the longitudinal direction of the support bar 172 to form a filtration void. That is, the spaces in which the filtration rings 173 are spaced apart from each other serve as filtration pores.

In addition, the main surface of the filtering member 170 formed by forming the plurality of filtration rings 173 are spaced apart to form a filtration surface.

In addition, one end of the support bar 172 is coupled to the flange 171 is formed hollow.

The flange 171 of the filtering member 170 is fixed to a portion where the second through hole 151 of the second partition plate 150 is formed.

As described above, the filtering member 170 has one end in the longitudinal direction (specifically, the flange 171) is fixed to the second partition plate 150.

In addition, the filtering surface of the filtering member 170 is spaced apart from the inner surface of the inner casing 160 (specifically, the filtration ring 173 is spaced apart from the inner surface of the inner casing 160), the filtering member 170 is the inner casing Along the inside of the 160 is provided long concentric with the inner casing (160).

In addition, the filtering member 170 has a hollow shape, and has a kind of tube by the support bar 172 and the filtering ring 173.

In addition, the filtering member 170 is provided so that the longitudinal end is in communication with the second through hole 151, and the filtering action is performed through the main surface (filtering gap between the filtering ring and the filtering ring in this embodiment). The shape of the filtering member 170 is just one example and is not limited thereto.

On the other hand, the other end of the longitudinal direction of the filtering member 170 is open, the cover plate 180 is mounted on the other end of the open longitudinal direction to prevent the other end of the longitudinal direction of the filtering member 170. As a result, the fluid may flow only to the main surface of the filtering member 170, and the main surface of the filtering member 170 serves as the filtering surface.

In addition, a coil flow path guide member 162 is provided between the inner casing 160 and the filtering member 170.

In this embodiment, the coil-shaped flow guide member 162 is fixed to the inner peripheral surface of the inner casing (160).

The ground pipe 310 is provided to the filtering member 170 through the ground pipe fixing member 311.

The ground tube 310 is provided to be concentric with the filtering member 170 along the inside of the filtering member 170.

In addition, the ground tube 310 is provided spaced apart from the main surface (filtration surface) of the filtering member 170.

A ground tube fixing member 311 is provided at an upper end of the outer circumferential surface of the ground tube 310, and the ground tube 310 is fixed to the filtering member 170 by the ground tube fixing member 311.

The ground pipe fixing member 311 serves to fix the ground pipe 310 to the filtering member 170 as well as to block a flow path in the upper space between the filtering member 170 and the ground pipe 310. do.

A rod-shaped discharge electrode 320 is provided to cause a plasma discharge reaction with the ground tube 310.

The discharge electrode 320 is disposed along the inner center of the ground tube 310.

In addition, water to be treated passes between the ground tube 310 and the discharge electrode 320, and water passing between the ground tube 310 and the discharge electrode 320 is plasma generated between the ground tube 310 and the discharge electrode 320. By the discharge reaction, microorganisms and organic matter are killed or decomposed.

In addition, a power supply unit (not shown) for applying power to the ground tube 310 and the discharge electrode 320 is provided. The power supply unit (not shown) applies the power for the plasma discharge reaction between the ground tube 310 and the discharge electrode 320, wherein the ground tube 310 and the discharge electrode 320 in the range of 20 ~ 40 KV Voltage is applied.

Meanwhile, the discharge electrode 320 and the ground tube 310 should be insulated from each other to generate plasma. To this end, both ends of the discharge electrode 320 are provided with a bar-shaped discharge electrode fixing member 321, respectively, the discharge electrode fixing member 321 is fixed to the discharge electrode 320 in the center thereof, while both ends of the ground pipe 310 It has a structure that can be fixed to, the discharge electrode fixing member 321 is made of an insulating material.

In this embodiment, male threads are formed at both ends of the discharge electrode 320, and the discharge electrode fixing member 321 is mounted at both ends of the discharge electrode 320, and then the fixing nut 322 is fastened to the male screw, thereby discharging the discharge electrode 320. The discharge electrode fixing member 321 and the ground tube 310 are integrated.

Meanwhile, the drain member 190 is provided in the first chamber 110.

The drain member 190 is rotatably provided in the first chamber 110, and communicates with some of the first through holes 141 of the plurality of first through holes 141 of the first partition plate 140. The drain line 191 is formed. In the present embodiment, the drain line 191 communicates with one of the four first through holes 141.

Meanwhile, the drain line 191 may communicate with another first through hole 141 by the rotation of the drain member 190.

Therefore, in the present exemplary embodiment, when the drain member 190 rotates four times, the drain line 191 is sequentially communicated with all four first through holes 141.

In addition, the actuator 200 is provided to rotate the drain member 190.

In the present embodiment, the actuator 200 is provided on the casing 100.

In addition, the drive shaft 210 is rotated by the actuator 200, and the lower end of the drive shaft 210 disposed along the inner center of the casing 100 is axially coupled with the drain member 190.

In addition, the drain member 190 is rotatably mounted to the fixing drain pipe 101 is fixed to the lower center of the casing (100).

Therefore, the drain line 191 communicates with the fixing drain pipe 101, and the drain member 190 is rotatable about the fixing drain pipe 101.

Such a configuration of the actuator, the drain member and the like may be applied as is the technique of Japanese Patent Laid-Open No. 57-209616.

As described above, in this embodiment, all the filtering members 170 may be washed by the continuous rotation of the drain member 190.

On the other hand, in the present embodiment, the parts and the like where the member is coupled may be equipped with a packing, a gasket, etc. for watertightness, etc. In addition, bolts and nuts may be adopted to join the member and the member, but such a configuration is very Since it is generalized, a separate description is omitted and also not shown in the drawings.

The operation of this embodiment will be described with reference to FIG.

First, the filtration is explained.

Water to be treated is introduced into the first chamber 110 through the inlet 111.

The water introduced into the first chamber 110 passes through the first through hole 141 of the first partition plate 140 and then flows between the inner casing 160 and the filtration surface of the filtering member 170 to allow the inner casing ( Passing through the third passage hole 161 of 160, the third chamber 130 is introduced (flow A).

Since the third chamber 130 is an enclosed space, when water is filled inside, the third chamber 130 no longer flows into the third chamber 130. However, flow A described below causes flow A to occur continuously or intermittently.

Therefore, the water located between the inner casing 160 and the filtering member 170 is filtered while flowing (flow B) into the filtering member 170 through the filtering surface of the filtering member 170.

That is, water is introduced into the filtering member 170 through the filtration gap between the filtration ring 173 and the filtration ring 173, and foreign matter is filtered by the filtration gap between the filtration ring 173 and the filtration ring 173. Accumulate

Water introduced into the filtering member 170, that is, purified water is introduced into the ground tube 310 to the remaining organic matter / inorganic substances or bacteria by a plasma discharge reaction generated between the ground tube 310 and the discharge electrode 320. Disintegration / disappearance occurs.

Thereafter, the purified water passing through the ground tube 310 passes through the second passage hole 151 to the second chamber 120 and then exits to the outlet 121.

Such filtration occurs in the first passage hole 141 that is not in communication with the drain line 191 of the drain member 190. In the present embodiment, the filtering member 170 located on the left side of FIG. 1 generates a filtration action.

That is, in the present embodiment, it is understood that foreign matters or microorganisms of relatively large particles are filtered and then decomposed or killed by relatively small particles or foreign matters by a plasma discharge reaction.

Next, the washing action of the filtering member will be described.

The cleaning action of the filtering member occurs in the first through hole 141 communicating with the drain line 191 of the drain member 190. In the present embodiment, the filtering member 170 located on the right side of FIG. 1 has a washing action.

Even when a washing operation occurs, the first chamber 110, the second chamber 120, and the third chamber 130 are filled with water, and water to be purified continues to flow through the inlet 111.

First, the first flow (flow C) for the washing action will be described.

The water of the second chamber 120 passes through the second through hole 151, passes through the inside of the ground pipe 310, and flows into the inside of the filtering member 170, and then passes through the filtration pores of the filtering member 170. (Flow C) foreign matter accumulated in the filter pores is released.

Thereafter, the foreign matter and the water for washing are introduced into the drain line 191 through the first through hole 141 and then discharged to the outside through the fixing drain pipe 101.

The first flow (flow C) for this washing action is similar to conventional backwashing.

Meanwhile, the second flow (flow D) for the washing action will be described.

Water of the third chamber 130 flows into the upper portion of the inner casing 160 through the third through hole 161 (flow D).

Water introduced into the inner upper portion of the inner casing 160 flows into the drain line 191 after passing through the first through hole 141 and is discharged to the outside through the fixing drain pipe 101.

At this time, the water passing from the third through hole 161 to the first through hole 141 of the inner casing 160 has a very fast flow rate. Because the pressure inside the third chamber 130 is continuously increased due to the water flowing from the third through hole 161 of the other inner casing 160, by this pressure the third through hole of the inner casing 160 ( 161) flows to exit.

In addition, the coil-shaped flow path guide member 162 provided between the inner casing 160 and the filtering member 170 causes rotation of moving water, and almost all surfaces of the filtering surface of the filtering member 170 are rotated. Be affected by water.

Therefore, the second flow for the washing action is easily separated from the filtering member 170 even in the case of a large amount of accumulated foreign matter.

The advantage of the second flow is that the greater the cumulative amount of foreign matter, the greater the release force from the second flow. That is, the resistance that the foreign material receives from the second flow has a proportional relationship with the flow area of the foreign material.

On the other hand, in the case of the first flow, it is possible to provide the foreign body with a detachment force proportional to the filtration pores, while the larger the accumulated amount of foreign matter, the higher the adhesion force of the foreign matter increases. The likelihood of this deviation is reduced.

However, in the second flow, the greater the accumulated amount of foreign matter, the more the separation force can be provided for the foreign matter.

As described above, since the apparatus separates foreign substances by the combination of the first flow and the second flow, the foreign substances do not accumulate and grow, and thus the continuous use is possible even for a long time use of the filtration apparatus.

The foregoing description of the present invention is intended for illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. will be. It is therefore to be understood that the embodiments described above are intended to be illustrative, but not limiting, in all respects. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

100: casing 101: fixing drain pipe
110: first chamber 111: inlet
120: second chamber 121: outlet
130: third chamber
140: first compartment 141: first passage hole
150: second compartment 151: second passage hole
160: inner casing
161: third passage hole 162: flow guide member
170: filtering member 171: flange
172: support bar 173: filtration ring
180: cover plate
190: drain member 191: drain line
200: actuator 210: drive shaft
310: grounding tube 320: discharge electrode

Claims (3)

A first chamber in which an inlet is formed;
A second chamber in which an outlet is formed;
A third chamber provided between the first chamber and the second chamber;
A first partition plate partitioning the first chamber and the third chamber and having a plurality of first through holes formed therein;
A second partition plate partitioning the second chamber and the third chamber and having a plurality of second through holes formed therein;
A third passage hole is provided in plurality in the third chamber, one end of which is in communication with the first through hole, the other end of which is in communication with the second passage hole, and the other end side surface of the third passage hole in communication with the third chamber. Inner casing is formed;
The inner casing is spaced apart from the inner surface of the inner casing and is provided concentrically with the inner casing. The inner end is empty, and one end in the longitudinal direction is provided to communicate with the second through hole and is filtered through the main surface. Filtering member is made;
A cover plate provided at the other end in the longitudinal direction of the filtering member to block the other end in the longitudinal direction of the filtering member;
A ground pipe provided concentrically with the filtering member along the inside of the filtering member and spaced apart from a main surface of the filtering member;
A ground pipe fixing member coupling an upper end of the ground pipe to an upper end of the filtering member;
A discharge electrode provided along an inner center of the ground pipe to cause a plasma discharge reaction with the ground pipe;
A power supply unit for supplying power for the plasma discharge reaction to the ground tube and the discharge electrode;
A drain line rotatably provided in the first chamber to communicate with a first through hole of a portion of the plurality of first through holes of the first partition plate; A drain member capable of communicating;
An actuator for driving the drain member to rotate;
And,
During filtration, water located between the inner casing and the filtering member flows into the filtering member while passing through the filtering surface of the filtering member, and foreign matter accumulates on the filtering surface of the filtering member.
The first flow and the third chamber of the water flows through the filtering surface of the filtering member to the outside of the filtering member during the washing, the water of the third chamber passes through the third passage hole and the inner casing and the filtering The foreign matter accumulated on the filtering surface of the filtering member is separated by the second flow passing between the members
Continuous rotary filtration device having an automatic washing function and a plasma discharge function.
The method of claim 1,
A continuous rotary filtration device having an automatic washing function and a plasma discharge function, wherein a flow path guide member in the form of a coil is provided between the inner casing and the filtering member.
3. The method according to claim 1 or 2,
A continuous rotary filtration device having an automatic washing function and a plasma discharge function, each of which is provided at both ends of the discharge electrode and has a discharge electrode fixing member made of an insulating material for fixing the discharge electrode to the ground pipe.

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