KR101041411B1 - Filtration apparatus - Google Patents

Abstract

PURPOSE: A filtration apparatus is provided to minimize the damage on filter media by separating foreign materials attached to the surface of the filter media. CONSTITUTION: A filtration apparatus(100) comprises the following: a filter tank(10); filter media(51,53,55) having the flatness, laminated inside the filter tank; a filter media washing unit(110) installed inside the filter tank for washing the filter media without contacting; and a leveling unit(113) for uniformly pressurizing the upper side of the filter media. The filter media washing unit includes an ultrasonic vibration unit(111) for washing the filter media by an ultrasonic vibration method.

Description

Filtration unit {FILTRATION APPARATUS}

The present invention relates to a filtration device, and more particularly, to a filtration device for filtering purified water after using water used and supplying purified water back to the supply.

In general, the use of tap water or ground water in the swimming pool is used as water, and it is economically used through chemical treatment in a filtering device without discarding it.

In addition, similarly, tap water or groundwater is used in hotels or large buildings as heads, and then it is economically used by treating it in a filtration device.

The water obtained by such a filtration device is newly filtered as purified water in the course of passing through the filter medium.

As the filter medium is made of activated carbon, sand and gravel, and the like, the filtration of the water is made in the process of passing through the filter medium, these filter media can be maintained only after replacing a part or the whole with a new one to maintain the filtration efficiency.

For example, the replacement cycle of activated carbon is about six months, and sand and gravel are about one year.

1 is a front view of a general filtration device, Figure 2 is an internal configuration of the filtration device according to the prior art.

Reference numeral 10 is a filtration tank constituting the entire filtration device. A filter base plate 13 is installed in the lower part of the filtration tank 10, and a plurality of holes are formed in the filter base plate 13, and a plurality of strainers 15 are installed therethrough.

On the upper portion of the strainer 15, the gravel layer 51, the sand layer 53, and the activated carbon layer 55, which are the media, are sequentially stacked with a predetermined height.

Reference numeral 20 is a water pump. When the unfiltered water W1 is supplied through the water pump 20, the first pipe 21a, the second pipe 21b, and the third pipe connected to the water pump 20 are shown. It flows in and falls to the upper part of the filtration tank 10 through the pipe 21c and the inner pipe 21d. Accordingly, the unfiltered water W1 is filtered while passing through the activated carbon layer 55, the sand layer 53, and the gravel layer 51, which are the media, and falls into the lower chamber 17 through the strainer 15. The filtered water W2 is supplied to a supply source (for example, a swimming pool) through the connected water outlet pipe 21e. At this time, the first valve 23a and the fourth valve 23d are in an open state, and the second valve 23b, the third valve 23c, and the fifth valve 23e are in a closed state.

On the other hand, when the water is reversed to backwash the media 51, 53 and 55, the second valve 23b and the third valve 23c are opened, and the first valve 23a and the fourth valve 23d. ) And the first pipe 21a, the second valve 23b, the third valve 23c, the water discharge pipe 21e, by driving the water pump 20 in a state where the fifth valve 23e is closed. Through the lower chamber 17 through the strainer 15 through the gravel layer 51, the sand layer 53, the activated carbon layer 55 as a filter medium, the filter medium is backwashed, and the inner pipe 21d and the third pipe ( 21c), it is discharged | emitted out through the 2nd drain pipe 21g via the 3rd valve 23c.

On the other hand, when washing the media (51, 53, 55), the first valve 23a and the fifth valve 23e are opened and the remaining second valve 23b, the third valve 23c and the fourth valve ( As the water pump 20 is driven in a state in which 23d is closed, the filtration tank 10 is provided through the first pipe 21a, the second pipe 21b, the third pipe 21c and the inner pipe 21d. It is introduced through the activated carbon layer 55, the sand layer 53 and the gravel layer 51, which is introduced into the filter, is washed in turn and falls into the lower chamber 17 through the strainer 15, and is branched to the water outlet pipe 21e. 1 is discharged out through the drainage pipe 21f.

On the other hand, the upper portion of the filtration tank 10 is provided with an air discharge means 25 for automatically discharging air.

However, such a conventional filtration device, even if the filter medium (51, 53, 55) is washed in this way, since various foreign matter residues firmly adhered to the surface of the filter medium (51, 53, 55) as time passes, In order to maintain a constant filtration efficiency, after these media (51, 53, 55) are used for a certain period of time, part or all of the media (51, 53, 55) must be periodically replaced with new ones.

Due to this, there is a problem that the work according to the replacement of the media (51, 53, 55) can be cumbersome and the cost can be increased.

In addition, before the filter medium (51, 53, 55) is periodically replaced, the filter medium (51, 53, 55) is washed or back-washed, each time a huge amount of water is consumed, water and sewage charges and chemical costs and water input to the water Various costs, including fuel costs, such as gas required to heat the fuel, etc., can be increased.

Therefore, the present invention minimizes damage to the media by effectively washing the media so that foreign matters adhered to the surface from the media of the filtration apparatus can be removed, and can be used semi-permanently without having to replace the media of the filtration apparatus. It is to provide a filtration device that can maintain.

The object of the present invention is a filtering device including a filtration tank and a filter medium having a flatness in the filtration tank and having a flatness and having a particle diameter, wherein foreign matters provided in the filtration tank and adhered to the filter medium are provided. It is achieved by a filtration device comprising a media washing unit for washing the media in a non-contact manner so as to be separated from the media.

Here, the filter medium cleaning unit preferably includes an ultrasonic vibration unit for cleaning the filter medium by the ultrasonic vibration method.

Preferably, the filter medium further includes a flat compaction part provided in the filtration tank to uniformly press the upper part of the filter medium so that the filter medium is maintained even after the filter medium is washed by the filter medium.

The filter medium cleaning unit further includes a compressed air generating unit provided to supply air bubbles into the water in the filter tank in which the filter medium is deposited, the compressed air generating unit, the orifice pipe branched from the pipe provided in the filter tank, It is preferable to include an air supply pipe provided in the high pressure region of the orifice pipe so that outside air is sucked into the water passing through the orifice pipe.

Preferably, the filter medium further includes a compressed air supply unit provided in the lower part of the filtration tank such that water mixed with air introduced from the compressed air generating unit is sprayed evenly from the lower part of the filtration tank toward the upper part.

Preferably, the filter medium further includes a magnetic resonance part provided to surround at least a portion of the filtration tank.

It is preferable to further include a foreign matter collecting portion which is provided at the upper portion in the filtration tank to collect the foreign matter supported by the upper portion of the water in the filtration tank.

The foreign matter collection unit is preferably to collect the foreign matter by the electrosorption method.

The sensing unit provided in the filtration tank to detect the remaining foreign matter stuck to the filter medium, and the filter medium cleaning unit continues to operate if it is determined that further foreign matter stuck to the filter medium remains based on the information detected by the sensing unit. It is preferable to further include a control unit for controlling the filter medium washing unit.

In addition, the filtration tank preferably includes an elastic protective layer of a corrosion resistant material provided on the inner wall surface of the filtration tank.

On the other hand, the filtration tank is provided to be detachably coupled to the tank body and the tank body to form an appearance, and the filter medium was temporarily stored while the inside of the tank body is maintained or painted after the filter medium is washed. When the maintenance or painting of the inside of the tank body is completed, the filter medium may include a temporary storage circulation unit provided to inject the inside of the tank body.

According to the filtration device according to the present invention can be used semi-permanently without having to replace the filter medium filter by washing the filter medium so that foreign matters stuck to the surface from the filter medium filter off.

In addition, since the filter media is used semi-permanently, the replacement of the media can be omitted, and the cost of replacing the media can be omitted, thereby significantly reducing the overall cost for the filter.

In addition, the number of times of washing or backwashing the media with water can be reduced, and the consumption of water used can be reduced by increasing the filtration efficiency.

1 is a front view of a general filtration device,
2 is an internal configuration of a filtration device according to the prior art,
3 is an internal configuration diagram of a filtration device according to a first embodiment of the present invention;
4 is a front view of a filtration device according to a second embodiment of the present invention;
Figure 5 is an internal configuration of the filtration device of Figure 4,
6 is an internal configuration diagram of a filtration device according to a third embodiment of the present invention;
7 is a plan view from above of the filtration device of FIG.
8 is an internal configuration diagram of a filtration device according to a fourth embodiment of the present invention;
9 is an internal configuration diagram of a filtration device according to a fifth embodiment of the present invention;
10 is a control block diagram of the filtration device of FIG.
11 is a control flow chart of the filtration device of FIG.
12 is an internal configuration diagram of a filtration device according to a sixth embodiment of the present invention;
13 is an internal configuration diagram of a filtration device according to a seventh embodiment of the present invention;
14 is an internal configuration diagram of a filtration device according to an eighth embodiment of the present invention.

Prior to the description, in the various embodiments, the same reference numerals are assigned to the same components, and the same components may be representatively described in the first embodiment and may be omitted in other embodiments.

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

(Embodiment 1)

As shown in FIG. 3, the filtration apparatus 100 according to the first embodiment of the present invention is provided to have a flatness in the filtration tank 10 and the filtration tank 10 to be stacked and have a particle size. Media (51, 53, 55) having, and the foreign matter provided in the filtration tank 10, the foreign matter adhered to the media (51, 53, 55) is separated from the media (51, 53, 55) 53, 55 includes a media washing unit 110 for washing in a non-contact manner.

On the other hand, the filtration tank 10, as shown in Figure 1, constitutes the entire filtration device 100, the appearance is formed by the tank body (11). In addition, as shown in Figure 3, the filter base plate 13 is installed in the lower part of the filtration tank 10, the filter base plate 13 is formed with a plurality of holes through which a plurality of strainers (strainer): 15 are installed, and the lower chamber 17 is formed in the lower part of the filter base plate 13 in the filtration tank 10. The tank body 11 of the filtration tank 10 is installed and fixed to the ground by the post 30.

On the upper part of the filter base plate 13 on which the strainers 15 are installed, the gravel layer 51, the sand layer 53, and the activated carbon layer 55, which are powder-shaped media having particle diameters, are sequentially stacked with a predetermined height.

1 and 3, the filtration tank 10 includes a water pump 20, a first pipe 21a connected to the water pump 20, and a first pipe 21a connected to an upper portion of the first pipe 21a. The second pipe 21b, the third pipe 21c connected to the second pipe 21b, the inner pipe 21d and the first pipe connected to the third pipe 21c and extending into the tank body 11. The water discharge pipe 21e connected to the lower part of 21a, the first drain pipe 21f connected to the end of the water discharge pipe 21e, the second drain pipe 21g connected to the second pipe 21b, and the second pipe 21b. ) And between the first valve 23a provided between the second drain pipe 21g, the second valve 23b provided at the end of the second drain pipe 21g, the first pipe 21a, and the water discharge pipe 21e. The third valve 23c provided in the upper portion, the fourth valve 23d provided in the end portion of the water discharge pipe 21e, the fifth valve 23e provided in the end portion of the first drain pipe 21f, and the upper portion of the air. When discharged to It is provided with air discharge means (25).

Accordingly, when the unfiltered water W1 is supplied through the water pump 20, the first pipe 21a, the second pipe 21b, the third pipe 21c, and the inner pipe connected to the water pump 20 are provided. It flows in and falls to the upper part of the filtration tank 10 through 21d. Then, the unfiltered water (W1) is filtered through the activated carbon layer 55, the sand layer 53 and the gravel layer 51 in order to fall into the lower chamber 17 through the strainer 15, connected thereto The water W2 filtered through the water outlet pipe 21e is supplied to a supply source (for example, a swimming pool). At this time, the first valve 23a and the fourth valve 23d are in an open state, and the second valve 23b, the third valve 23c, and the fifth valve 23e are in a closed state.

In this way, when filtering the water (使用 水) through the filtration device 100 to treat the reusable water is injected with chemicals, and also the filter medium (51, 53, 55) is periodically washed with water or backwashed, As time passes, foreign substances and chemical components in the water used are fixed and fixed on the surface of the media (51, 53, 55). I had to replace every time.

As shown in FIG. 3, the filter medium for cleaning media 110 according to the first embodiment of the present invention, the filter media 10 of the activated carbon layer 55, sand layer 53 and gravel layer 51 in the filtration tank 10. It is preferable to include an ultrasonic vibration unit 111 provided on the outer side of the tank body 11 for each of the regions 53, 55 are stacked and disposed to wash the media 51, 53, 55 by the ultrasonic vibration method. .

The ultrasonic vibration unit 111 is provided in plural, an oscillator 111a connected to the power supply unit 112 to generate high frequency electric signals, and a transducer connected to the oscillator 111a to convert electrical energy into mechanical energy. and a vibrator 111b as a transducer.

Ultrasonic vibration generated by the ultrasonic vibration unit 111 is transmitted to the inside of the tank body 11 in which the media 51, 53, 55 are stacked to vibrate the media 51, 53, 55, wherein the media 51 And 53 and 55 are entangled and rubbed with each other so that foreign matters stuck to the surface are separated from the surfaces of the media 51 and 53 and 55. In addition, as the ultrasonic wave proceeds into the water in which the filter medium (51, 53, 55) is deposited inside the filtration tank (10), the elevation of the pressure is alternately generated as many times as there are numerous small vacuum parts in the water. In the vacuum, the gas evaporates rapidly. In addition, the water in which the media (51, 53, 55) is precipitated during the ultrasonic vibration is heated to some extent to dissolve the foreign materials separated from the surface of the media (51, 53, 55) to some extent.

Accordingly, the media 51, 53, 55 are cleaned in a non-contact manner by the media cleaning unit 110 that causes ultrasonic vibration, and foreign matters adhered to the surfaces of the media 51, 53, 55 are filtered. By being separated from each other, it is possible to clean the filter medium (51, 53, 55) of the filtration device 100 without having to replace every one. In addition, the foreign materials separated from the media (51, 53, 55) are gradually decomposed during the ultrasonic vibration, and eventually in a state of fine particles enough to be discharged to the outside together with the water discharged from the filtration tank 10. Can be decomposed up to.

On the other hand, the ultrasonic vibration is transmitted to the inside of the filtration tank 10 by the filter medium 110, the filter medium (51, 53, 55) of the activated carbon layer 55, sand layer 53 and gravel layer 51 intertwined with each other After being washed while being turned up, the stacked state becomes jagged even if it is stacked again inside the filtration tank 10. If the lamination state of the powder-like media having a particle size is thus jagged, the filtration efficiency of the water used therethrough may be reduced, so that the media 51 after the media 51, 53, 55 are washed. The flatness of (53, 55) needs to be maintained.

Thus, in the filtration device 100 according to the first embodiment of the present invention, as shown in Figure 3, the filter medium having a particle size even after the filter medium (51, 53, 55) is washed by the filter medium washing unit 110 It is preferable to further include a flat compaction portion 113 provided in the filtration tank 10 so as to maintain the flatness of the 51, 53, 55 uniformly pressurizing the upper portion of the filter medium (51, 53, 55).

The flat compaction portion 113, as shown in Figure 3, the pressing plate 113a provided corresponding to the inner diameter of the tank body 11 to uniformly press the upper portion of the filter medium (51, 53, 55), It is connected to the pressure plate 113a includes a pressure driving unit 113b provided to transmit a pressure driving force. The pressure driving unit 113b may be in various forms such as a hydraulic method, an electric method, a gear or belt pulley driving method, a chain driving method, a hinge driving method, and the like.

On the other hand, although not shown, the pressing plate 113a is also provided between the activated carbon layer 55, the sand layer 53, and the gravel layer 51, respectively, by means of one pressurizing drive unit 113b, the activated carbon layer 55 and the sand layer at the same time. The top of each of the 53 and the gravel layer 51 may be uniformly pressed to maintain the flatness of each of the types of the mediators 51, 53, and 55.

Accordingly, foreign matters fixed on the surfaces of the media 51, 53, 55 by the media filter 110 are separated from the media 51, 53, 55, thereby filtering the media 51, 53 of the filtering device 100. , 55 may be neatly washed without having to replace them one by one, and after the washing of the media (51, 53, 55) is completed, the upper portions of the media (51, 53, 55) are uniformly formed by the flat compaction portion 113. By pressing to maintain the flatness of the filter medium (51, 53, 55) can maintain the filtration efficiency of the water used to pass through the washed filter medium (51, 53, 55).

In addition, a plurality of water injection holes (not shown) may be formed in the pressing plate 113a of the flat compaction portion 113. The inner diameter of the water injection hole formed in the center region of the pressing plate 113a among the water injection holes is preferably smaller than the inner diameter of the water injection hole formed in the peripheral region of the pressing plate 113a. That is, the amount of water flowing into the filtration tank 10 through the inner pipe 21d may fall uniformly toward the media 51, 53, 55 in the tank body 11 without a difference between the center portion and the circumferential region. It is preferable that the inner diameter of the water injection hole is provided to increase gradually toward the edge in the central region of the pressure plate 113a.

Accordingly, when the inner pipe 21d is provided at the upper center portion of the filtration tank 10, the center portion of the tank body 11 when water flows into and falls into the filtration tank 10 through the inner pipe 21d. As the water pressure increases due to excessive flow of water, the flatness of the media (51, 53, 55) is collapsed, so that the stacking state of the media (51, 53, 55) is lowered at the center and the circumferential area is increased to lower the filtration efficiency. It is possible to maintain the flatness of the media (51, 53, 55) to prevent it, and only the media (51, 53, 55) in the center of the tank body 11 is well cleaned and the media (51, 53) present at the edge The cleaning of 55 may prevent imbalances of poor cleaning.

(Second Embodiment)

The filter medium cleaning unit 110 of the filtration device 100 according to the second embodiment of the present invention, as shown in Figure 4 and 5, is provided in the filter tank 10 by the ultrasonic vibration method filter 51 Ultrasonic vibrator 111 for washing the 53, 55, and compressed air generating unit 114 provided to supply air bubbles into the water in the filter tank 10 in which the filter medium (51, 53, 55) is settled Including, by supplying the air bubbles generated by the compressed air generating unit 114 into the water in the filter tank 10 in which the filter medium (51, 53, 55) is settled, not only by ultrasonic vibration but also by the cavitation effect (cavitation) The foreign matter stuck to the surface of the (51, 53, 55) can be more effectively removed, foreign matters separated from the media (51, 53, 55) by the filter cleaning unit 110 to the compressed air generating unit 114 The first is that it can be floated to the top of the water in the filtration tank 10 by air bubbles supplied by the Is the difference between o'clock.

On the other hand, as shown in Figure 5, in the filtration device 100 according to the second embodiment of the present invention, as in the first embodiment of the present invention, the flat compaction portion 113 is provided and the media (51, 53, After the cleaning of 55 is completed, the flat top compaction portion 113 may uniformly press the upper portions of the media 51, 53, 55 to maintain the flatness of the media 51, 53, 55.

As shown in FIG. 4, the compressed air generating unit 114 is an orifice pipe 114a branched from a pipe provided in the filtration tank 10, and water passing through the orifice pipe 114a. The air supply pipe 114b provided in the high pressure area | region of the orifice piping 114a is sucked in.

The air supply pipe 114b is inserted from the upper part in the high pressure region of the orifice pipe 114a, that is, the area where the diameter of the orifice pipe 114a is temporarily reduced to maximize the flow rate, and extends into the orifice pipe 114a. It is provided. Accordingly, the outdoor air is swept away by the flow of water passing through the high pressure region of the orifice pipe 114a and sucked into the water, thereby allowing the outdoor air to enter the water.

As a second embodiment of the present invention, the orifice pipe 114a is branched to allow bypass from the first pipe 21a, and a branch valve (a branch valve) is formed at the point where the orifice pipe 114a branches from the first pipe 21a. 114c) is preferred. In addition, the orifice pipe 114a is connected to the water outlet pipe 21e so that water mixed with outside air through the water outlet pipe 21e at the time of backwashing the media 51, 53, 55 may be discharged from the lower portion inside the filtration tank 10. It feeds toward the media 51, 53 and 55.

On the other hand, the filter medium cleaning unit 110, as shown in Figure 5, the filter tank so that water mixed with the air flowing from the compressed air generating unit 114 is sprayed evenly from the lower portion of the filtering tank 10 toward the top. It may further include a compressed air supply unit 115 provided in the lower portion (10).

As shown in FIG. 5, the compressed air supply unit 115 is provided at a lower portion of the filter base plate 13 to correspond to the inner diameter of the tank main body 11, and mixed with outside air introduced from the compressed air generating unit 114. A plurality of air supply plates 115a formed therein and spaces provided on the air supply plates 115a and connected to the internal spaces of the air supply plates 115a and extended to the upper portion of the filter base plate 13. 115b.

Accordingly, by connecting the orifice pipe 114a to the compressed air supply unit 115 rather than to the water outlet pipe 21e, air bubbles generated by the compressed air generator 114 are raised from the lower portion of the filtration tank 10. By spraying more uniformly, the cleaning of the media (51, 53, 55) can be made efficiently.

Although not shown, the air supply plate 115a may be provided on the upper portion of the filter base plate 13, not the lower portion of the filter base plate 13.

The injection nozzles 115b are evenly distributed at a predetermined interval on the filter base plate 13. As a second embodiment of the present invention, the injection nozzles 115b are preferably arranged between the strainers 15 at the top of the filter base plate 13.

On the other hand, although not shown, the amount of water supplied from the lower part of the filtration tank 10 toward the upper part through the strainers 15 formed in the center region of the filter base plate 13 among the strainer 15 is the filter base plate 13. It is preferable that the strainer 15 is formed to be smaller than the amount of water supplied from the lower portion of the filtration tank 10 toward the upper portion through the strainers 15 formed in the circumferential region of the filter. That is, the amount of water flowing into the filtration tank 10 through the water outlet pipe 21e is increased at the lower center side of the tank body 11, so that the stacking state of the media 51, 53, 55 is increased at the center and at the edge. It is preferable that the amount of water supplied from the lower part of the filtration tank 10 toward the upper part through the strainer 15 to be lowered gradually increases from the central area of the filter base plate 13 to the edge.

Accordingly, when the water outlet pipe 21e is provided at the lower center of the filtration tank 10, when water is introduced into the filtration tank 10 through the water outlet pipe 21e and supplied from the lower portion to the upper portion, the tank body ( 11) The flatness of the media (51, 53, 55) is collapsed due to the increase in water pressure due to excessive inflow of water into the center of the media, resulting in a higher stacking state of the media (51, 53, 55) and a lower circumferential region. Flatness of the media (51, 53, 55) can be maintained to prevent the deterioration, and only the media (51, 53, 55) at the center of the tank body (11) are well cleaned and the media at the edge ( The cleaning of 51, 53, 55) can prevent poor cleaning imbalances.

Although not shown in FIG. 5, each of the injection nozzles 115b has a spirally shaped end portion so that the injection paths of the air bubbles supplied into the water through the injection nozzles 115b are rotated so that the filter medium 51, It is desirable to cause vortices to occur around the surface of the 53,55.

Accordingly, foreign matters adhered to the surfaces of the media (51, 53, 55) by the media cleaner (110), which causes cavitation together with ultrasonic vibration, are more easily separated, thereby allowing the media (51, 53, 55) They can be cleaned cleanly without having to replace them one by one.

In addition, by collecting the foreign matters separated from the media (51, 53, 55) to the upper portion of the water in the filtration tank 10 by the compressed air generating unit 114 may be easier to collect the foreign matters.

On the other hand, at least one of the compressed air generating unit 114 and the compressed air supply unit 115 to supply a larger amount of air bubbles into the water in which the filter medium (51, 53, 55) is settled in the filtration tank 10 Compressor (not shown) may be further provided.

4 and 5 are similar to those of the first embodiment, and thus detailed descriptions thereof will be omitted.

(Third Embodiment)

The filter medium cleaning unit 110 of the filtration device 100 according to the third embodiment of the present invention, as shown in Figure 6 and 7, is provided in the filtration tank 10, the filter medium by the ultrasonic vibration method (51) Ultrasonic vibration unit 111 for washing the 53, 55, and compressed air generating unit 114 provided to supply air bubbles into the water in the filter tank 10 in which the filter medium (51, 53, 55) is deposited; Including a magnetic resonance portion 117 to surround at least a portion of the filtration tank 10, the filtration tank 10 is provided with a magnetic material of the magnetic resonance portion 117 that is magnetic in some areas The difference between the first embodiment and the second embodiment is that by rotating around the ultrasonic wave and cavitation as well as the magnetic resonance effect, it is possible to more effectively remove the foreign matter stuck from the surfaces of the media (51, 53, 55). to be.

As shown in FIG. 6, the magnetic resonance unit 117 is provided to surround the circumference of the filtration tank 10 and is provided to have a height corresponding to the height at which the media 51, 53, and 55 are stacked. As shown in Figure 7, it is provided to rotate around the filtration tank 10 and a portion of the region is provided with a magnetic material (117a). As a third embodiment of the present invention, the magnetic resonance portion 117 is described as being provided to surround the entire filtration tank 10, but as another embodiment of the present invention, the magnetic resonance portion 117 is a filtration tank Wrapping only a part of the (10) may be provided to rotate around the filtration tank (10).

That is, as shown in FIG. 7, when the magnetic resonance part 117, in which a partial region is formed of the magnetic material 117a, is rotated about the filtration tank 10, the material of the tank body 11 of the filtration tank 10 may be Since the tank body 11 has its own natural frequency because it is metal, a magnetic field is formed between the tank body 11 and the magnetic body 117a, and the magnetic field is pulsatively variable as the magnetic resonance unit 117 rotates. And it appears in the form of a pulse (pulse) will cause a resonance phenomenon.

The magnetic body 117a may be provided as a permanent magnet or an electromagnet. When the magnetic body 117a is provided as an electromagnet, the power applied to the magnetic body 117a from the power supply unit 112 may be alternately varied so that the magnetic field appears in the form of a pulse.

Accordingly, foreign matters adhered to the surfaces of the media (51, 53, 55) by the media cleaner (110), which causes resonance by the magnetic field, together with the ultrasonic vibration and cavitation, are more separated. The media (51, 53, 55) can be cleaned without having to replace every one.

6 and 7 are similar to the first or second embodiment, and thus detailed description thereof will be omitted.

(Fourth Embodiment)

As shown in FIG. 8, the filtration device 100 according to the fourth embodiment of the present invention includes a filtration tank 10 and media (51, 53, 55) provided to be stacked in the filtration tank 10. And, the upper portion of the filter medium cleaning unit 110 and at least any one of the ultrasonic vibration unit 111, the compressed air generating unit 114 and the magnetic resonance unit 117, the upper portion of the filter medium (51, 53, 55) A flat compaction unit 113 provided in the filtration tank 10 to maintain the flatness of the media 51, 53, 55, and a power supply 112 for supplying power to the media cleaning unit 110; Including the foreign matter collecting unit 130 which is provided at the upper portion in the filtration tank 10 and collects the foreign matter that is supported by the upper portion of the water in the filtration tank 10, the filter medium (51, 53, 55) The foreign matters which are lifted away from the shells and then floated to the upper portion of the water in the filtration tank 10 by the foreign matter collecting unit 130 can be easily removed from the filtration apparatus 100. It is a difference from any one of the first to third embodiments.

The foreign material collecting unit 130 is provided in the upper portion of the filtration tank 10 so as to be provided as a conductor of the mesh shape so that the foreign matters can be collected by the adsorption method by applying power from the power supply 112.

In addition, as a fourth embodiment of the present invention, the foreign matter collecting unit 130 is preferably provided to be detachably coupled to the interior of the filtration tank (10).

Since the weight of the foreign materials separated from the media (51, 53, 55) by the media washing unit 110 is relatively light, the weight of the foreign materials floats in the water and floats most of the water. Particularly, the compressed air generating unit 114 according to the present invention According to this, the support of these foreign objects can be more surely guaranteed.

Accordingly, foreign matters are easily removed from the filtration apparatus 100 by easily collecting the foreign matters supported by the foreign matter collecting unit 130 to the upper portion of the water in the filtration tank 10.

8 are similar to any one of the first to third embodiments, and thus detailed descriptions thereof will be omitted.

With this configuration, a process of operating the filtration device 100 according to the fourth embodiment of the present invention will be described with reference to FIG. 8 as follows.

First, in the state in which the media 51, 53, 55 in the filtration tank 10 are stacked with flatness in water, the ultrasonic vibration unit 111, the compressed air generating unit 114, and the compression of the media cleaning unit 110 are compressed. The air supply 115 is operated to clean the media 51, 53, 55 so that foreign matters stuck to the media 51, 53, 55 are completely separated from the media 51, 53, 55. At this time, before operating the filter medium cleaning unit 110 to discharge the portion of the water contained in the filtration tank 10 to the outside so that the foreign matter collecting unit 130 is located in the upper portion of the water contained in the filtration tank 10 to the foreign matter water level The process of matching the rejection 130 with the prepared position is necessary.

Next, when the foreign materials separated from the media (51, 53, 55) by the media washing unit 110 is supported by the upper portion of the water in the water is applied to the foreign material collection unit 130 to adsorb the foreign materials by the electric adsorption method. Let's do it.

Then, the foreign matter collecting unit 130 to which foreign matters are adsorbed is taken out of the filtration tank 10 to be separated from the filtration tank 10, and the foreign matter collecting unit 130 is cleaned from the outside and adsorbed to the foreign material collecting unit 130. The separated foreign matters are separated cleanly from the foreign matter collecting unit (130).

In the state where the foreign matter collecting unit 130 is separated from the filtration tank 10, the pressing plate 113a of the flat compacting unit 113 uniformly presses the upper portions of the media 51, 53, 55. Drive down the pressure plate 113a.

Accordingly, the filter media (51, 53, 55) of the filtering device 100 is used semi-permanently, so that the replacement work of the filter media (51, 53, 55) can be omitted, and the cost of replacing the filter medium does not cost separately (filter device ( Overall costs for 100 can be greatly reduced.

(Fifth Embodiment)

In the filtration device 100 according to the fifth embodiment of the present invention, as shown in FIGS. 9 and 10, the filtration tank 10 and the filter media 51 and 53 provided to be stacked in the filtration tank 10 are provided. 55, the filter unit 110 including at least one of the ultrasonic vibration unit 111, the compressed air generating unit 114 and the magnetic resonance unit 117, the filter medium (51, 53, 55) A flat compaction unit 113 provided in the filtration tank 10 and a power supply unit 112 for supplying power to the filter medium cleaning unit 110 to uniformly press the upper portion to maintain the flatness of the media 51, 53, 55. And a foreign material collecting unit 130 provided at an upper portion of the filtration tank 10 to collect foreign matter supported by the upper portion of the water in the filtration tank 10, a sensing unit 140, and a controller 150. , The foreign matter stuck to the media (51, 53, 55) of the filtering device 100 by the operation of the filter medium cleaning unit 110, the flat compaction unit 113 and the foreign material collecting unit 130 is automatically performed 51,53,55) It is a difference from any one of the first to fourth embodiments that the work of washing the ashes (51, 53, 55) can be made conveniently.

9 and 10, the detection unit 140 is provided in the filtration tank 10 is fixed to the filter medium (51, 53, 55) to detect the foreign matter remaining in the control unit 150 To pass).

The sensing unit 140 according to the fifth embodiment of the present invention is preferably provided at the lower portion of the post 30 to be a piezoelectric element for sensing the weight of the filtration tank 10. This is because foreign matter is fixed to the media 51, 53, 55 from the weight of the filtration tank 10, which is the sum of the weight of the media 51, 53, 55 existing in the filtration tank 10 and the weight of water at the reference level. If the remaining weight is added to use the fine weight of the total weight of the filtration tank 10 is added. Therefore, if the foreign matter is completely removed from the filter medium (51, 53, 55) by the filter medium cleaning unit 110 and the foreign material collection unit 130, the weight of the filtration tank 10 will be reduced to less than the initial weight value. The fine weight of the foreign matter added to the weight of the filtration tank 10 may be sufficiently sensed because the sensing unit 140 is provided with a piezoelectric element capable of converting a physical pressing force into an electrical signal.

On the other hand, as a fifth embodiment of the present invention, the sensing unit 140 is described as being provided with a transducer such as a piezoelectric element to which the piezo effect is applied, but as another embodiment of the present invention, the sensing unit 140 ) Is provided in proximity to the filter medium (51, 53, 55) to directly detect the foreign material stuck to the filter medium (51, 53, 55), pH sensor for detecting the foreign material remaining on the surface of the filter medium (51, 53, 55) It may be provided as a sensor having a probe or the like to detect the surface elasticity of the filter medium (51, 53, 55).

10 and 11, when it is determined that further foreign matter adhered to the media 51, 53, and 55 remains on the basis of the information detected by the sensing unit 140, the media is washed. The filter unit 110 controls the filter unit 110 to continue to operate. In addition, the controller 150 controls the foreign matter collecting unit 130 to operate the foreign matter collecting unit 130 in accordance with the operation of the medium cleaning unit 110, the filter medium 51 by the medium washing unit 110, When the cleaning of the 53, 55 is completed, it is preferable to control the flat compaction portion 113 so as to uniformly press the upper portion of the filter medium (51, 53, 55) to maintain the flatness of the filter medium (51, 53, 55). .

Accordingly, the media washing unit 110 is not operated indefinitely or only for a predetermined time, but is removed from the media 51, 53, 55 until the foreign material is separated from the filter tank 10 and completely removed from the filter tank 10. By operating the 110 automatically can reduce the cost, it is possible to further increase the cleaning efficiency of the filter medium washing unit (110).

On the other hand, in the filtration device 100 according to the fifth embodiment of the present invention, as shown in Figure 10, the weight of the first media (51, 53, 55) and the water in the tank body 11 is different from the reference water level Input unit 160 and input unit 160 for receiving the information required by the controller 150, including the weight of the first filtration tank 10, including the weight of the water when there is received from the user to the control unit 150; It is preferable to further include a storage unit 170 for receiving and storing the information received from the information and the information calculated by the controller 150 from the controller 150.

Accordingly, the foreign matter stuck to the media 51, 53, 55 of the filtration apparatus 100 by automatically operating the media washing unit 110, the flat compaction unit 113, and the foreign matter collection unit 130 is automatically performed. Cleaning of the media (51, 53, 55) to be separated from the media (51, 53, 55) can be made conveniently.

9 to 11 are similar to any one of the first to fourth embodiments, and thus detailed descriptions thereof will be omitted.

With this configuration, a process of operating the filtration device 100 according to the fifth embodiment of the present invention will be described with reference to FIGS. 9 to 11.

First, the controller 150 detects the weight of the filtration tank 10 through the sensing unit 140 (S100).

Next, the controller 150 compares the weight of the filtration tank 10 detected by the sensing unit 140 with the weight of the first input filtration tank 10 previously input, and detects the filtration tank 10 detected by the sensing unit 140. It is determined whether or not the weight of the () exceeds the weight of the first filter tank 10 previously input (S200).

If it is determined that the weight of the filtration tank 10 detected in step 200 exceeds the weight of the initial filtration tank 10, the control unit 150 continues to operate the filter medium cleaning unit 110 and the foreign matter collection unit 130 The filter medium cleaning unit 110 and the foreign matter collecting unit 130 is controlled to continue operation (S300).

If it is determined in step 200 that the weight of the filtration tank 10 is less than or equal to the weight of the initial filtration tank 10, the control step is jumped to end.

Accordingly, the operation of the filter medium cleaning unit 110 is controlled to be performed until the foreign material is completely removed from the filter medium (51, 53, 55) and the filtration tank 10, the filter medium (51, 53, 55, the washing efficiency of the filter medium (51, 53, 55) for cleaning the filter medium (51, 53, 55) to be separated from the foreign matter adhered to the surface can be further increased, the filter medium (51, The media 51, 53, 55 can be used semi-permanently without having to replace the 53, 55.

(Example 6)

As shown in FIG. 12, the filtration tank 10 of the filtration device 100 according to the sixth embodiment of the present invention has an elastic protective layer 180 of a corrosion resistant material provided on an inner wall of the filtration tank 10. Including, the first that the media (51, 53, 55) by the filter medium washing unit 110 is prevented from peeling off the inner wall paint of the filtration tank 10 while being entangled with each other and collision friction Differences from any one of the embodiments to the fifth embodiment.

Since the inner wall surface of the filtration tank 10 is usually painted or provided with an aluminum alloy, the inner wall surface of the filtration tank 10 is filtered when the media 51, 53, 55 are cleaned by the media filter washing unit 110. 51, 53, 55 may be scratched and the paint may be peeled off. Therefore, as shown in the sixth embodiment of the present invention, it is preferable that the inner protective wall of the filtration tank 10 is provided with an elastic protective layer 180 of corrosion resistance material.

The elastic protective layer 180 may be formed of a special water-soluble acrylic resin and a high grade pigment, or may be provided by mixing an aluminum alloy or a copper alloy.

Accordingly, it is possible to prevent the inner wall paint of the filtration tank 10 from being peeled off while the filter media 51, 53, 55 are cleaned by the elastic protective layer 180.

12 are similar to any one of the first to fifth embodiments, and thus detailed descriptions thereof will be omitted.

(Example 7)

As shown in FIG. 13, the filtration tank 10 of the filtration device 100 according to the seventh embodiment of the present invention is detachably attached to the tank main body 11 and the tank main body 11 forming an appearance. After the filter medium (51, 53, 55) is washed, the filter medium (51, 53, 55) is temporarily stored while the inside of the tank body 11 is maintained or painted, and then the inside of the tank body (11) When the maintenance or painting is completed, the filter medium (51, 53, 55), including the filter medium temporary storage circulation 190 provided to inject the inside of the tank body 11, by the filter medium washing unit 110 When the media 51, 53, 55 are washed and entangled with each other and the friction of the inner wall of the filtration tank 10 is peeled off, the tank main body 11 can be repaired or painted inside the tank main body 11. Easily remove the media (51, 53, 55) from the tank body (11) and re-inject it while maintaining or painting the inside of It may be a difference from the one of the first embodiment to the sixth embodiment that.

As shown in FIG. 13, the temporary storage circulation unit 190 is detachably provided to the tank main body 11 under the filter base plate 13 to allow the media 51, 53, and 55 to enter. The filter medium collecting unit 191 and the filter medium injection unit which is detachably provided at the upper portion of the tank body 11 and becomes a passage through which the filter mediums 51, 53, and 55 are re-injected into the tank body 11 ( 193, and the mediator storage unit 195, which is in communication with the mediator collection unit 191 and the mediator injection unit 193 and temporarily provided with the mediators 51, 53, and 55 introduced through the mediator collection unit 191. In order to reduce the pressure of the mediator storage unit 195, the mediators 51, 53, and 55 may be introduced through the mediator collection unit 191, or the mediator injection unit 193 may be increased by increasing the pressure of the mediators storage unit 195. It includes a circulation pump (197) through which the filter medium (51, 53, 55) is re-injected into the tank body (11).

As a seventh embodiment of the present invention, the medial temporary storage circulation unit 190, for example, each of the different media (51, 53, 55) of the gravel layer 51, sand layer 53 and activated carbon layer 55 is individually It is preferable to be provided in plurality in correspondence with the type of the media (51, 53, 55) to be stored and re-injected in the order of being stacked in the tank body (11).

Accordingly, as the media 51, 53, 55 are washed by the media filter 110, the inner wall of the tank body 11 may be removed even if the internal wall surface of the filtration tank 10 is peeled off while being entangled and collided with each other. The filter medium (51, 53, 55) is easily removed from the tank body (11) during maintenance or painting, and the filter medium (51, 53, 55) is removed from the tank body when the maintenance or painting of the inside of the tank body (11) is completed. By easily re-injecting into the inside of 11, the inside of the tank main body 11 can be conveniently maintained or painted.

13 are similar to any one of the first to sixth embodiments, and thus detailed descriptions thereof will be omitted.

(Example 8)

Filtration device 100 according to the eighth embodiment of the present invention, as shown in Figure 14, the filter medium cleaning unit 110 in the filter temporary storage circulation unit 190 detachably coupled to the tank body 11 And the foreign matter collecting unit 130 are provided together, the inner wall surface of the filtration tank 10 is peeled off while the media (51, 53, 55) by the filter medium washing unit 110 is washed and entangled and collided with each other. Any one of the first to seventh embodiment of the present invention can prevent the cleaning of the filter medium (51, 53, 55) and the removal of the foreign material at the same time in the temporary storage storage circulation unit 190 consisting of one set while preventing This is the difference from.

The filter medium cleaning unit 110, as shown in Figure 14, is provided with an ultrasonic vibration unit 111 provided in the filter medium storage unit 195, the foreign material collecting unit 130 is located on the filter medium injection unit 193 side It is detachably provided at the top.

Accordingly, as the media 51, 53, 55 are cleaned by the media filter 110, the media is composed of one set while preventing the inner wall paint of the filtration tank 10 from being peeled off while being entangled and collided with each other. The foreign matter stuck to the media (51, 53, 55) is removed from the media (51, 53, 55) by allowing the cleaning of the media (51, 53, 55) and the removal of the foreign materials at the same time in the temporary storage circulation 190 is performed. Washing can be performed more easily.

14 are similar to any one of the first to seventh embodiments, and thus detailed descriptions thereof will be omitted.

Thus, according to the present invention, by filtering the filter medium (51, 53, 55) so that the foreign matter stuck to the surface from the filter medium (51, 53, 55) of the filtering device 100 ( It can be used semi-permanently without having to replace the 51, 53, 55, the filter medium (51, 53, 55) of the filter device 100 is used semi-permanently, the replacement of the filter medium (51, 53, 55) will be omitted And, the cost of replacing the filter medium can be greatly reduced the overall cost for the filtration device (100).

In addition, it is possible to reduce the number of times the media (51, 53, 55) to wash or backwash (rinse) the media with water, and to reduce the consumption of the water used, including various water and sewage fees, chemical consumption costs, gas bills, etc. You can save money.

As mentioned above, the present invention has been described in detail through preferred embodiments, but the present invention is not limited thereto and may be variously implemented within the scope of the claims.

100: filtration device 10: filtration tank
11: tank body 51,53,55: media
110: filter medium 111: ultrasonic vibration unit
112: power supply unit 113: flat compaction unit
114: compressed air generating unit 114a: orifice piping
114b: supply pipe 115: compressed air supply
117: magnetic resonance unit 130: foreign body collection
140: detection unit 150: control unit
160: input unit 170: storage unit
180: elastic protective layer 190: filter medium temporary storage circulation

Claims (11)

In the filtering device comprising a filtration tank and a filter medium having a flatness and stacked in the filtration tank and having a particle size,
Included in the filter tank is a filter medium for washing the filter medium in a non-contact manner so that foreign matter stuck to the filter medium is separated from the filter medium,
The filter medium cleaning unit includes an ultrasonic vibration unit for cleaning the filter medium by the ultrasonic vibration method,
And a flat compaction unit provided in the filtration tank to uniformly press the upper portion of the filter medium to maintain the flatness of the filter medium even after the filter medium is washed by the filter medium cleaning unit.
delete delete The method of claim 1,
The filter medium washing unit further includes a compressed air generating unit provided to supply air bubbles into the water in the filter tank in which the filter medium is deposited,
The compressed air generating unit,
Orifice pipe branched from the pipe provided in the filtration tank,
And an air supply pipe provided in the high pressure region of the orifice pipe so that outside air is sucked into the water passing through the orifice pipe.
The method of claim 4, wherein
The filter medium cleaning unit further comprises a compressed air supply unit provided in the lower portion in the filtration tank so that the water mixed with the air introduced from the compressed air generating unit is sprayed evenly from the lower portion of the filtration tank to the upper portion Device.
The method of claim 5,
The filter medium cleaning unit further comprises a magnetic resonance portion provided to surround at least a portion of the filtration tank.
The method according to any one of claims 1 and 4 to 6,
And a foreign material collecting unit provided at an upper portion of the filtering tank to collect foreign matters supported by the upper portion of the water in the filtering tank.
The method of claim 7, wherein
The foreign matter collecting unit is a filtration device, characterized in that for collecting foreign matter by the electrosorption method.
The method of claim 7, wherein
A sensing unit provided in the filtration tank and configured to detect foreign matter remaining on the filter medium;
And a control unit for controlling the filter medium cleaning unit so that the filter medium cleaning unit continues to operate when it is determined that further foreign matter adhered to the filter medium remains on the basis of the information detected by the detecting unit.
10. The method of claim 9,
The filtration tank is characterized in that it comprises an elastic protective layer of corrosion resistance material provided on the inner wall surface of the filtration tank.
10. The method of claim 9,
The filtration tank is provided to be detachably coupled to the tank main body and the tank main body forming an appearance, and the media is temporarily stored while the inside of the tank main body is maintained or painted after the media is washed. Filtration device comprising a temporary storage circulation unit provided to inject the filter medium into the interior of the tank when the maintenance or painting of the inside of the tank body is completed.

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