KR20090031477A - Filtering apparatus for waste-water treatment - Google Patents

Abstract

A wastewater treatment apparatus is provided to improve efficiency of cleaning a filter media part of a filter and reduce maintenance cost according to exchanges of the filter media part. A wastewater treatment apparatus comprises a filter body(5), a filter, a raw water inlet(20), a treated water outlet(30), and a backwashing water outlet(40). The inside of the filter body is divided into left and right segments in a lengthwise direction. The filter body has a filter media part in a side where wastewater is flowed in. The raw water inlet is equipped with an inlet valve connected to an upper part of the filter body. The treated water outlet includes an outlet valve connected to an opposite part of the filter body.

Description

Water Treatment Equipment {FILTERING APPARATUS FOR WASTE-WATER TREATMENT}

1 is an internal cross-sectional view of a water treatment apparatus at the time of wastewater treatment is shown the inside of the wastewater treatment using the water treatment apparatus according to the present invention.

Figure 2 is an internal cross-sectional view of the water treatment apparatus at the time of washing the filter is shown the inside of the backwash for washing the filter portion of the water treatment apparatus according to the present invention.

3 is an exploded perspective view of the filtration treatment unit according to the present invention.

Figure 4 shows a state in which a manhole is installed on the side of the water treatment apparatus according to the present invention.

Figure 5 shows a view from above of the water treatment apparatus according to the present invention.

6 shows an inside view of the water treatment apparatus according to the present invention as seen from below.

*** Explanation of symbols on the main parts of the drawing ***

5: strainer body 10: scale protector

15: wastewater inlet pipe 20: treated water inlet

30: treated water discharge portion 32: top plate

34: bottom plate

100: filter 105 media plate

110: jaejaebu 120: jaejung fixation board

130: air inlet device 132: air inlet valve

134: air pipe 136: air nozzle

140: backwash plate 200: pressure gauge

210: air discharge valve 220: water level monitor

300: manhole

The present invention relates to a filter of the water treatment device, that is, to improve the filtration efficiency by simplifying the installation and replacement of the filter medium that acts as a filter in various water treatment filtration process such as purified water, sewage, waste water, etc. In the process of removing a large amount of debris attached to the filter media by firing high pressure air toward the filter media by installing a plurality of back-wash plates at a 45-degree angle in the opposite direction, the high pressure air is prevented from being lost due to the reverse-plate. The filter unit can be efficiently washed and the activated carbon filter is installed separately in the related art, but the present invention relates to a water treatment device which improves the filtration efficiency by filling activated carbon in a water tank after filtration.

In general, a filtration device is used for the treatment of purified water, sewage, wastewater, and the like, and conventional filtration devices include sand filters, cartridge filters, and anthracite.

However, the filtration device of the sand filter, cartridge filter, anthracite and the like has one or more disadvantages in the quality of the filtered filtrate, backwashing efficiency and the reuse of the media, and also because of the cake phenomenon, the replacement cycle of the filter is short. There was a problem that facility cost is expensive.

In recent years, in order to improve such a conventional problem, a deep filtration system using a filter material of fiber yarn has been proposed to improve the water quality of the filtered filtrate compared to the various conventional filtration apparatus, and to enable installation in a narrow space And lowered the facility cost.

However, in the above method, the wastewater is not filtered smoothly due to uneven dispersion of the filter medium layer overlapped by pressure, so that the filtration efficiency is reduced, and a piston installed to apply a constant pressure to the inside of the filtering device is installed inside the filtering device. If the filter is not working properly, it has to be lifted up and reloaded, and the method of backwashing by violently shaking the filter medium, which is the efficiency of the backwash, which is the life of the filter, is a method of reducing the complexity of the physical machinery and the life of the media. By shortening and backwashing the whole at once, the efficiency was deteriorated.

The present invention improves filtration efficiency by removing fine particle contaminants in filtration process such as sewage and wastewater, and installs a plurality of backwash plates inclined downward by 45 degrees on the opposite side of the filter medium serving as a filter. It is to provide a water treatment device with high efficiency of backwashing by sequentially backwashing air one by one.

In order to achieve the above object, the water treatment apparatus according to the present invention, a water treatment device for introducing the waste water by filtration and discharge, comprising: a filter main body (5) for filtering and discharging the waste water introduced and the waste water; It is installed in the longitudinal direction so as to be in contact with the other side and the connected bottom surface facing the inner side of the filter main body (5), filtering the suspended solids contained in the waste water, and the filter medium on the side in which the waste water flows (110) A filter 100 in which is installed; Since the filter 100 is installed inside the filter main body 5, the inside of the filter main body 5 is separated into two segments of left and right in the vertical direction, and is connected to an upper end of one side of the filter main body 5. A treatment water inlet unit 20 for introducing waste water and having an inlet valve for opening / blocking the flow of the waste water;

A process having an outlet valve connected to an upper end of the other side of the filter main body 5 on the basis of the filter 100 to discharge the filtrate filtered by the filter 100 and opening / closing the outflow of the filtrate Water outlet 20; And

Located at the lower end of the strainer main body 5, and installed in the same segment as the treated water inlet 20, for flowing out the wash water washing the strainer main body 5, to open / block the flow of the wash water It includes a backwash water discharge portion 40 having a backwash valve, one side of the backwash plate 140 is installed on the opposite side side of the filter unit 100 is installed to be inclined downward, the backwash plate Segments are formed between the 140 and the reverse swash plate 140, and each of the segments between the reverse swash plate 140 is provided with an air inlet device 130 for blowing high-pressure air toward the filter medium 110 Characterized in that,

The filter 100 is composed of a panel of pores 107, and is provided to be attached to the lower plate 34 connected to both side surfaces and both sides of the inside of the filter main body 5, the filter plate A media part 110 composed of a plurality of single yarns, attached to one side of the 105; It characterized in that it comprises a; and the filter medium fixing portion 120 for fixing the filter medium 110 to the filter medium fixing plate 105,

Characterized in that the scale preventer 10 for the primary water treatment of the wastewater flowing into the treated water inlet 20 of the water treatment device is connected to the treated water inlet 20 is installed in the filtration main body (5) do.

Hereinafter, with reference to the accompanying drawings will be described in detail the advantages, features and preferred embodiments of the present invention.

1 is an internal cross-sectional view of a water treatment apparatus at the time of wastewater treatment is shown the inside of the wastewater treatment using the water treatment apparatus according to the present invention.

Figure 2 is an internal cross-sectional view of the water treatment apparatus at the time of washing the filter is shown the inside of the backwash for washing the filter portion of the water treatment apparatus according to the present invention.

1 and 2, the water treatment apparatus according to the present invention, the cylindrical filter main body 5 of the hollow inside, the upper side of the left side of the treated water inlet for the wastewater which is the treated water to be filtered filtered ( 20), the scale preventer 10 in which the treated water, which is the wastewater introduced into the treated water inlet 20, is primarily water-treated, and the treated water discharged part 30 is discharged after the wastewater is filtered by the filter 100. ), After the backwashing process to remove the dirt accumulated in the filter 100 by filtering the waste water, the filter 100 is installed on both sides and bottom of the inside of the filter body (5) to filter the waste water, The backwash water discharge part 40 which discharges the backwash water containing the dirt etc. which fell from the 100, and the rinse discharge part 50 which discharges the rinse when the rinse is put in order to wash the filter main body 5 are comprised. .

The scale preventer 10 according to the present invention is an invention registered with Korean Patent Registration No. 10-0587400 (name of the invention: water treatment device, registered on May 30, 2006), and the principle of Voltaic Cell The present invention relates to a water treatment apparatus for treating various types of water using infrared rays generated from ceramics, and particularly to prevent contamination between electrodes of a voltaic battery regardless of water quality difference. In addition, it is a water treatment device that enables more stable and efficient treatment of water in steel pipes or tanks.

The scale preventer 10 according to the present invention comprises a core of a zinc alloy material and an outer circumferential surface of the core in order to cause an electrochemical reaction due to a potential difference in contact with water in constructing an apparatus for treating water in an iron pipe or a water tank. In addition to the voltaic battery composed of a coiled metal coil and the voltaic battery, a ceramic member for activating water by generating far infrared rays and disposed in a position adjacent to the voltaic battery to form a constant magnetic field in the voltaic battery cell space, And a magnet for charging the particles (solid materials) passing through the electric field of the voltaic battery and forming an electron spin to prevent the charged particles from being caught on the electrodes of the voltaic battery, wherein the voltaic battery and the ceramic member And the magnet is a hollow type consisting of a water inlet and discharge communication The water treatment device, characterized in that the load is integrally assembled inside the casing.

The filter 100 according to the present invention is a panel-shaped media porous plate 105 composed of numerous holes 107, both sides and bottom of which are fixed to both sides and the bottom surface of the inside of the filter main body 5, single yarn. It is comprised by the filter medium fixing plate 120 which consists of a bundle easily detachable filter part 110 and the filter medium part 110 to the filter medium porous plate 105. As shown in FIG. (See Figure 3),

By installing the filter 100 according to the present invention inside the filter main body 5, the inside of the filter main body 5 is divided into two segments (for example, the left and right segments in FIG. 1). The inlet 20 and the backwash water outlet 40 are located in the left segment of FIG. 1, and the treated water outlet 30 and the rinse outlet 50 are configured in the segment on the right.

And, in order to remove the dirt, debris, etc. stuck to the filter 100 in the waste water treatment process, a ball inlet device 130 for blowing high-pressure air to the right segment of the filter main body 5, respectively, the filter 100 and It is installed in close proximity and prevents the high pressure air shot from the air inlet device 130 from passing through the filter 100 and preventing it from being lost to the surface of the water, and causing air vortex to pass through the filter 100. The diaphragm 140 is provided in the filter 100 in the state which inclined downward at regular intervals.

During the wastewater treatment process according to the present invention, in the backwashing step to remove and remove the debris stuck to the filter medium 110 of the filter 100, the backwashing membrane 140 is sprayed to each air inlet device 130. Some of the air that does not initially pass through the filter 110 among the air to be hit by each of the backwash membrane 140 during the ascending above the water surface, the vortex occurs, the direction toward the filter 100 is switched to each segment It is discharged through the corresponding filter unit 110.

Therefore, the air injected by each air inlet device 130 passes through each segment of the filter medium 110 between each of the backwash membrane 140 to pass through the dirt, debris, etc. stuck to the filter medium 110 Will fall.

As an example, referring to FIG. 2, the right area partitioned by the filter 100 of the filter main body 5 according to the present invention has a configuration divided into four areas by three anti-wash plates 140. Have Each backwash plate 140 is configured to be attached to the filter 100 in an inclined downward direction.

In order to shake off and remove debris or the like stuck in the filter medium 110 of the filter 100 according to the present invention, which is generated in the wastewater treatment process of filtering the waste water by the filter 100, each air inlet device When the high pressure air is injected using the 130, the air injected through the air nozzle 136 of each air inlet device 130 is fired toward the filter unit 110, and a plurality of the air is fired due to the high pressure air fired. The debris and the like attached to the filter medium 110 composed of two threads are shaken off and separated from the filter medium 110.

In addition, the air directed toward the surface of the high pressure air injected from the respective air inlet devices 130 does not face the filter medium 110, but is blown up by the backwashing plate 140, thereby filtering the filter medium 110. The air vortex phenomenon is generated toward, and most of the air is directed toward the filter medium portion 110 of the filter 100, and the debris adhered to the filter medium portion 110 sequentially. Partially shaken off.

Debris, etc. stuck to the filter medium 110 of the filter 100 according to the present invention by shaking with high pressure air, and then debris and the like from the filter medium 110 through the backwash water discharge portion 40 Drain with backwash.

After discharging the backwashing water including the residue and the like stuck to the filter medium 110 according to the present invention through the backwashing water discharge part 40, clean water and rinse were introduced through the treated water inlet 20. After rinsing the filter medium 110 of the filter 100, the washing water is discharged through the rinse discharge unit 50.

In addition, the water treatment apparatus according to the present invention includes a pressure gauge 200 for measuring the pressure inside the water treatment apparatus, a water level monitor 200 for monitoring the water level inside the water treatment apparatus, and an air discharge valve 210 for discharging air in the water treatment apparatus. Is installed on the upper plate 32.

In addition, in the prior art, the activated carbon filter was separately installed, but the present invention improved the filtration efficiency by filling activated carbon (7) in the water tank after filtration.

3 is an exploded perspective view of the filtration treatment unit according to the present invention.

Referring to FIG. 3, the filtration treatment unit according to the present invention removes debris, dirt, and the like that adhere to the filter 100 in a backwashing process for washing the filter 100 and the filter 100 corresponding to the filter for filtering wastewater. In order to prevent the air inlet device 130 that shoots the high pressure air toward the filter 100, some of the high pressure air shot from the air inlet device 130 does not pass through the filter 100 and are not lost on the water surface. It consists of a backwash plate 140 that collects and shoots air in the direction of the filter 100.

The filter 100 according to the present invention is formed of a plate of an infinite number of pores 107, and is attached to the filtering plate 105 and the filtering plate 105 installed inside the filter main body 5. The filter part 110 which consists of two single yarns, and the filter part fixing part 120 which fixes the filter part 110 to the filter medium perforated plate 105 are comprised.

The filter medium 110 according to the present invention is a plurality of yarn bundles attached to each segment of the filter media porous plate longitudinally, and may use chemical fiber yarns such as polypropylene or nylon. In addition, the filter medium 110 may use single yarn fibers that are not braided or woven. In this case, when the backwash is made while using the washing water and the air together with the backwash, the filter medium 110 may be used semi-permanently. The density and filtration efficiency of the filter medium according to the present invention are adjusted according to the amount of the filter medium and the thickness of each thread constituting the filter medium, that is, the filter medium.

The air inlet device 130 according to the present invention is an air inlet valve 132 for opening and closing the movement of the high pressure air by introducing the high pressure air generated by the device for generating high pressure air, such as a compressor (not shown) And an air pipe 134 through which high pressure air moves, and an air nozzle 136 through which high pressure air is injected.

In the embodiment shown in FIG. 3, the porous plate 105 is composed of four segments, and one air inlet device 130 is disposed for each segment, and the anti-wash plate 140 is a segment and a segment. A total of three will be installed on each of the three frames in the inclined downward direction.

Figure 4 shows a state in which a manhole is installed on the side of the water treatment apparatus according to the present invention.

Referring to FIG. 4, the user of the water treatment apparatus according to the present invention through the manhole 300 may replace the filter unit 110 and may inspect the inside of the filter main body 5. In general, the manhole 300 is closed.

Figure 5 shows a view from above of the water treatment apparatus according to the present invention. 6 shows an inside view of the water treatment apparatus according to the present invention as seen from below.

5 and 6, the water treatment apparatus according to the present invention has an upper portion covered by an upper plate 32, and inside the filter body 5 above the lower plate 34 located in the lower portion, The filter 100 is provided in the longitudinal direction in the part, and the anti-washing plate 140 is attached to the filter 100.

As described above, the water treatment apparatus according to the present invention separates the filter 100 corresponding to the filter for filtering the waste water into a plurality of segments in the longitudinal direction, and installs a backwash plate to face downward between the segments. And an air inlet device to shoot high pressure air in each segment,

A backwashing process for washing off the wastewater residues stuck to the filter 100 in the wastewater treatment process by the high pressure air emitted from the air inlet unit while the backwashing water for washing the filter 100 is contained in the water treatment device. It is effective to proceed efficiently. In particular, a backwash plate is installed between each segment to face downward, so that some of the high-pressure air emitted from each air inlet device does not pass directly through the filter 100, but is lost toward the water surface. The vortex is generated by being hit by the backwashing plate 140, which is shot back toward the filtering part 110 of the filter 100, and consequently by the backwashing plate 140 of the filtering part 110 of the filter 100. There is an effect of shaking off the waste residues of the filter medium 110 by the air hit.

As described above, in the present invention, since the plurality of backwash plates 140 are installed in the filter 100 so as to be inclined downward, there is a remarkable effect of higher washing efficiency of the filter unit 110 of the filter 100.

In addition, the filter medium 110 is not a single type, but is separately attached to each of the plurality of segments formed in the longitudinal direction on the filter medium porous plate 105, so that the overall filter medium when the degree of contamination of some filter medium 110 is too severe. Since only the filter unit 110 can be replaced without having to replace the unit 110 at a time, maintenance costs are reduced.

Although preferred embodiments of the invention have been described using specific terms, such description is for illustrative purposes only, and the invention is not limited thereto, and various changes and modifications within the spirit and scope of the following claims It should be understood that changes can be made.

Claims (3)

As a water treatment device for introducing wastewater and filtering A filter main body (5) for introducing the wastewater and filtering and discharging the introduced wastewater; It is installed in the longitudinal direction so as to be in contact with the other side and the connected bottom surface facing the inner side of the filter main body (5), filtering the suspended solids contained in the waste water, and the filter medium on the side in which the waste water flows (110) A filter 100 in which is installed; By installing the filter 100 inside the filter main body 5, the inside of the filter main body 5 is separated into two segments of left and right in the longitudinal direction, A treatment water inlet 20 connected to an upper end of the filter main body 5 and having an inflow valve for introducing the wastewater and opening / closing the flow of the wastewater; A process having an outlet valve connected to an upper end of the other side of the filter main body 5 on the basis of the filter 100 to discharge the filtrate filtered by the filter 100 and opening / closing the outflow of the filtrate Water discharge unit 20; And Located at the lower end of the strainer main body 5, and installed in the same segment as the treated water inlet 20, for flowing out the wash water washing the strainer main body 5, to open / block the flow of the wash water A backwash water discharge portion (40) having a backwash valve, On the opposite side of the filter unit 100 in which the filter medium 110 is installed, one by one is installed so that the anti-washing plate 140 is inclined downward, and a segment is formed between the anti-washing plate 140 and the anti-washing plate 140, Water treatment device, characterized in that the air inlet device 130 for blowing out the high pressure air toward the filter medium (110) for each segment between the backwash plate (140). The method of claim 1, The filter 100, A media porous plate 105 composed of a panel of pores 107 and installed to be attached to a lower plate 34 connected to both sides and both sides of the inside of the filter main body 5. A filter unit (110) composed of a plurality of single yarns attached to one side of the filter plate (105); And a filtering means (120) for fixing the filtering part (110) to the filtering medium fixing plate (105). The method of claim 1, Characterized in that the scale preventer 10 for the primary water treatment of the wastewater flowing into the treated water inlet 20 of the water treatment device is connected to the treated water inlet 20 is installed in the filtration main body (5) Water treatment equipment.

Images