KR102459933B1 - Filtration system for water pipe maintenance - Google Patents

Abstract

The present invention relates to a water pipe maintenance filtration system, which is installed in the water supply pipe before passing water in the washed water pipe to filter foreign substances and suspended substances included in the water supply when passing the water supply. device; including, the water supply pipe filtering device, when a part of the water supply pipe is closed through a valve, an inlet pipe through which the water supply containing foreign substances and suspended substances from the water supply pipe is introduced; a chamber having a partition for allowing the water supply moving along the inlet pipe to move in a partitioned manner, and providing a filtration space through which the water supply partitioned by the partition is filtered; a treated water discharge pipe disposed in the filtration space to discharge the treated water from which the foreign substances and suspended substances are filtered in the filtration space to the water supply pipe; a filter media compression tube disposed in the filtration space, which is penetrated by the treated water discharge pipe, and expands or contracts according to the volume of air injected from the outside through one or more air injection units; a fiber ball filter medium disposed in the filtration space, which is penetrated by the treated water discharge pipe, and filters foreign substances and suspended substances of the water supply in a low-density first state before the water supply is discharged into the treated water discharge pipe; and the filter media compression tube disposed between the filter media compression tube and the fiber ball filter medium, which is penetrated by the treated water discharge pipe, and compresses the fiber ball filter media in one direction by the filter media compression tube when the filter media compression tube is expanded. plate; may include.

Description

Water pipe maintenance filtration system {Filtration system for water pipe maintenance}

The present invention relates to a water supply pipe maintenance filtration system, and more particularly, to a water supply pipe maintenance filtration system for filtering foreign substances and suspended substances generated when water is passed through a washed water supply pipe.

In general, water supply pipes installed to supply water (tap water) produced at water purification plants to houses, apartments, buildings, factories, etc.

Conventional water pipes may rust due to aging over time and cause rust or paint films to fall out, or these various foreign substances may be deposited and flowed out. has always had the potential to lead to

Accordingly, in the conventional water supply pipe, old pipe regeneration and replacement, and periodic customs cleaning are performed for the maintenance of the water supply pipe network to prevent contamination of the water supply. However, due to changes in the flow rate, such as operation of a valve installed in the water supply pipe, when water passes through the water supply pipe network facility maintenance (pipe washing, etc.) As there is a possibility that the substance may be included, there is a problem that it is difficult to exhibit a function as drinking water.

Republic of Korea Patent Publication No. 10-0822863 (registered on April 10, 2008) Republic of Korea Utility Model Publication No. 20-0416967 (registered on May 15, 2006)

Accordingly, the present invention has been devised to solve the above problems, and it is an object of the present invention to provide a water supply pipe maintenance filtration system that filters foreign substances and suspended substances that may be included in the water supply when passing water in the washed water supply pipe. .

In addition, an object of the present invention is to provide a water supply pipe maintenance filtration system that allows tap water usable as drinking water to flow into a consumer through filtration of foreign substances and suspended substances contained in tap water.

However, the technical problems to be achieved in the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned are clearly to those of ordinary skill in the art to which the present invention belongs from the description below. can be understood

In the water supply pipe maintenance filtration system, which is a technical means for achieving the above object, it is installed in the water supply pipe before passing water in the washed water pipe, and foreign substances contained in the water supply when passing the water supply, and Including; a water supply pipe filtering device for filtering suspended substances, the water supply pipe filtering device, when a part of the water supply pipe is closed through a valve, the inflow into which the water supply containing foreign substances and suspended substances from the water supply pipe is introduced coffin; a chamber having a partition for allowing the water supply moving along the inlet pipe to move in a partitioned manner, and providing a filtration space through which the water supply partitioned by the partition is filtered; a treated water discharge pipe disposed in the filtration space to discharge the treated water from which the foreign substances and suspended substances are filtered in the filtration space to the water supply pipe; a filter media compression tube disposed in the filtration space, which is penetrated by the treated water discharge pipe, and expands or contracts according to the volume of air injected from the outside through one or more air injection units; a fiber ball filter medium disposed in the filtration space, which is penetrated by the treated water discharge pipe, and filters foreign substances and suspended substances of the water supply in a low-density first state before the water supply is discharged into the treated water discharge pipe; and the filter media compression tube disposed between the filter media compression tube and the fiber ball filter medium, which is penetrated by the treated water discharge pipe, and compresses the fiber ball filter media in one direction by the filter media compression tube when the filter media compression tube is expanded. plate; may include.

In addition, when the fiber ball filter media is compressed in one direction by the filter media compression plate, it is possible to filter foreign substances and suspended substances in the tap water in a second state having a higher density than the first state.

And the water pipe filtering device is a small block water supply pipe that is in communication with the customs washing section of the main drainage pipe and/or the drainage main pipe, so that the water supply drained along the drainage main pipe is supplied to the customer in the customs washing section of the water supply pipe can be installed.

In addition, the custom washing section of the drain main pipe may be up to another valve that is closed while being installed at the front or rear end of the drain main pipe, based on at least one closed valve among the plurality of valves installed in the drain main pipe. have.

And the water pipe filtering device, through the closing of the valve installed at the relatively rear end within the customs washing section of the drain main pipe may be installed at a position such that the water supply drained along the main drain pipe flows into the inlet pipe. .

In addition, the custom washing section of the small block water supply pipe may be from a communication point between the small block water supply pipe and the main drainage pipe to a valve that is closed while closest to the communication point among a plurality of valves installed in the small block water supply pipe.

And the water pipe filtering device may be installed at a position such that the water supply supplied along the small block water supply pipe through the closing of the valve flows into the inlet pipe.

In addition, the water pipe filtering device is installed for a predetermined time in the custom washing section of the drain main pipe and/or the custom washing section of the small block water supply pipe before passing the water supply, and after the preset time has elapsed, the drainage It may be reusable after removal from the main building and/or the small block water supply pipe.

The present invention filters foreign substances and suspended substances that may be included in the water supply when passing through the washed water supply pipe, thereby preventing the water supply containing foreign substances and suspended substances from flowing into the consumer.

In addition, the present invention can be reused after the removal of the water pipe filtering device, so that the user can install the water pipe filtering device in the customs washing section desired by the user, the user's convenience can be improved.

However, the effects obtainable in the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those of ordinary skill in the art to which the present invention belongs from the following description. will be able

1 is a schematic diagram of a water supply pipe maintenance filtration system according to an embodiment of the present invention.
2 to 3 are plan cross-sectional views of a water supply pipe filtering device according to an embodiment of the present invention installed in the customs washing section of the main drainage pipe.
FIG. 4A is a view of part A of the fiber ball filter shown in FIG. 2 in a first state.
FIG. 4B is a view of part A of the fiber ball filter shown in FIG. 2 in a second state.
FIG. 5 is a cross-sectional view taken along the AA direction shown in FIG. 3 .
6 is a perspective view of a filter media compression plate according to an embodiment of the present invention.
7 is a front view of a filter media compression tube according to an embodiment of the present invention.
8 is a partially enlarged view of a filter media compression plate and a filter media compression tube according to an embodiment of the present invention;
it is do
FIG. 9 is an enlarged view of portion A shown in FIG. 8 .
FIG. 10 is an exploded perspective view of part A shown in FIG. 8 .
11 is a state diagram of a filtration filter according to an embodiment of the present invention.
12 is a cross-sectional view taken along the AA direction shown in FIG. 11 .
13 is a partially enlarged view of the filtering filter shown in FIG.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those of ordinary skill in the art to which the present invention pertains can easily implement them. However, since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiment described in the text. That is, since the embodiment is capable of various changes and may have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea. In addition, since the object or effect presented in the present invention does not mean that a specific embodiment should include all of them or only such effects, it should not be understood that the scope of the present invention is limited thereby.

The meaning of the terms described in the present invention should be understood as follows.

Terms such as “first” and “second” are for distinguishing one component from another, and the scope of rights should not be limited by these terms. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component. When a component is referred to as being “connected to” another component, it may be directly connected to the other component, but it should be understood that other components may exist in between. On the other hand, when it is mentioned that a certain element is "directly connected" to another element, it should be understood that the other element does not exist in the middle. On the other hand, other expressions describing the relationship between elements, that is, "between" and "between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

The singular expression is to be understood as including the plural expression unless the context clearly dictates otherwise, and terms such as "comprises" or "have" refer to the specified feature, number, step, action, component, part or these It is intended to indicate that a combination exists, and it should be understood that it does not preclude the possibility of the existence or addition of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Terms defined in a commonly used dictionary should be interpreted as having the meaning consistent with the context of the related art, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the water supply pipe maintenance filtration system according to an embodiment of the present invention.

1 is a schematic diagram of a water supply pipe maintenance filtration system according to an embodiment of the present invention.

Referring to Figure 1, the water pipe maintenance filtration system of the present invention is installed in the water supply pipe before passing the water in the washed water pipe, foreign substances and suspended solids (Suspended solid, SS) is provided with a water pipe filtration device (1) for filtering.

At this time, the water supply pipe refers to the water purification plant 200 that filters river water or groundwater to produce tap water usable as drinking water, the pressurization plant 210 equipped with a pump facility for supplying tap water to the highlands, and the pressurization plant 210. As a pipe connecting the reservoir 220 for temporarily storing the received water supply and the consumer 300 using the tap water drained from the reservoir 200 as drinking water, in the present invention, the drain main pipe (2) and the drain main pipe (2) It means a small block water supply pipe (3) that communicates with and drains water along the main drainage pipe (2) to supply water to the consumer (300).

The water pipe filtering device (1) is installed in the customs washing section of the drainage main pipe (2) and/or the customs washing section of the small block water supply pipe (3) where the water supply is drained in order to filter foreign substances and suspended substances contained in the water supply. .

That is, the water pipe filtering device (1) is installed in the custom washing section or small block water supply pipe (3) of the main drainage pipe (2), or the custom washing section of the drainage main pipe (2) and the small block water supply pipe (3). It may be provided in plurality so as to be installed at the same time in the section.

The water supply pipe filtering device 1 filters foreign substances and suspended substances in the custom washing section of the drainage main pipe 2 and/or the custom washing section of the small block water supply pipe 3, thereby providing waterworks containing foreign substances and suspended substances. There is an effect of preventing the inflow into the consumer (300).

In the present invention, the customs washing section of the drain main pipe (2) is closed while being installed at the front or rear end of the drain main pipe (2) based on at least one closed valve among a plurality of valves installed in the drain main pipe (2) up to another valve. As a specific example, the customs washing section of the drain main pipe (2) is based on the valve (2a) that closes a part of the drain main pipe (2), up to the valve (2b) that is closed while being installed at the rear end of the drain main pipe (2) can

2 to 3 are plan sectional views of a water supply pipe filtering device according to an embodiment of the present invention installed in the customs washing section of the drain main pipe.

Referring to FIG. 2 , to describe in more detail the location where the water pipe filtering device 1 is installed within the customs washing section of the drain main pipe 2 , the water pipe filtering device 1 is the drain main pipe 2 . It is installed at a position such that the water supply drained along the main drainage pipe (2) flows into the inlet pipe (20) through the closing of the valve installed at the relatively rear end in the customs washing section. As a specific example, the water supply pipe filtering device 1 is configured such that the water supply drained along the drain main pipe 2 through the closing of the valve 2b flows into the inlet pipe 20 through the closing of the valve 2b as shown in FIG. 2 , the drain main pipe The inlet pipe 20 may be installed at a position disposed at the front end of the valve 2b within the custom washing section of (2).

Referring back to FIG. 1 , in the present invention, the custom washing section of the small block water supply pipe 3 is one of a plurality of valves installed in the small block water supply pipe 3 from the communication point between the small block water supply pipe 3 and the main drainage pipe 2 . It means up to the valve that is closed while closest to the communication point. As a specific example, the customs washing section of the small block water supply pipe 3 is the communication point of the plurality of valves installed in the small block water supply pipe 3 from the communication point between the main drainage pipe 2 and the small block water supply pipe 3 and is closest to the communication point. It may be up to the valve (3a) of the small block water supply pipe (3) to be closed.

To describe in more detail the location where the water pipe filtering device 1 is installed within the customs washing section of the small block water supply pipe 3, the water pipe filtering device 1 includes a small block water supply pipe 3 and a main drainage pipe ( It is installed at a position such that the tap water supplied to the customer 300 along the small block water supply pipe 3 through the closing of the nearest valve from the communication point of 2) flows into the inlet pipe 20 . As a specific example, the water supply pipe filtering device 1 is configured so that the water supply supplied to the consumer 300 along the small block water supply pipe 3 through the closing of the valve 3a flows into the inlet pipe 20, the small block water supply pipe In the customs washing section of (3), the inlet pipe 20 may be installed at a position disposed closer to the communication point between the small block water supply pipe 3 and the drain main pipe 2 than the valve 3a.

The water pipe filtering device 1 is installed for a preset time in the custom washing section of the main drainage pipe 2 and/or in the custom washing section of the small block water supply pipe 3, and after the preset time has elapsed, the drain main pipe It is reused after removal from the customs washing section of (2) and/or the customs washing section of the small block water supply pipe (3). As a specific example, the water pipe filtering device 1 is installed in the customs washing section of the main drainage pipe 2 for 12 hours, and after 12 hours have elapsed, it is removed from the customs washing section of the main drainage pipe 2 and then another drainage main pipe It can be installed and reused in the customs washing section of (2) or the customs washing section of the small block water supply pipe (3).

Hereinafter, the water pipe filtering device (1) is installed at a location where the washing section of the drain main pipe (2) which is one of the water pipes, more specifically, the inlet pipe (20) is disposed at the front end of the valve (2b) It will be described in detail with respect to the water supply pipe filtering device (1) based on that.

FIG. 4A is a view of part A of the fiber ball filter medium shown in FIG. 2 in a first state, FIG. 4B is a view of part A of the fiber ball filter media shown in FIG. 2 in a second state, and FIG. 5 is a cross-sectional view in the A-A direction shown in FIG. 3 , FIG. 6 is a perspective view of a filter media compression plate according to an embodiment of the present invention, and FIG. 7 is a front view of the filter media compression tube according to an embodiment of the present invention, and FIG. 8 is a partially enlarged view of a filter media compression plate and a filter media compression tube according to an embodiment of the present invention, FIG. 9 is an enlarged view of part A shown in FIG. 8, and FIG. 10 is part A shown in FIG. is an exploded perspective view of, FIG. 11 is a state diagram of a filtration filter according to an embodiment of the present invention, FIG. 12 is a cross-sectional view in the A-A direction shown in FIG. 11, and FIG. 13 is a portion of the filtration filter shown in FIG. is an enlarged view.

2 to 3, the water pipe filtering device 1 includes a chamber 10, an inlet pipe 20, a treated water outlet pipe 30, a fiber ball filter medium 40, a filter media compression plate 50, It includes a filter media compression tube 60 , a first valve 70 , a second valve 80 , a backwash air inlet pipe 90 , a residual air outlet 100 , and a backwash water and backwash air outlet pipe 110 .

The chamber 10 has inner and outer walls formed through the filtration space 15, and is provided with a compartment 14 for allowing the water supply containing foreign substances and suspended substances to be moved to be divided therein, and the filtration through which the water supply is filtered A space (15) is provided.

The compartment 14 is divided so that the water supply flowing therein through the inlet 14a connected to the inlet pipe 20 is filtered in the fiber ball filter medium 40 before moving to the treated water discharge pipe 30. By inducing it to move slowly, the untreated water supply is prevented from flowing out to the main drainage pipe (2) or the treated water discharge pipe (30).

The filtration space 15 is a water supply that is moved to be divided by the compartment 14 while the treated water discharge pipe 30, the fiber ball filter medium 40, the filter media compression plate 50 and the filter media compression tube 60 are disposed. It is a space filtered by the fiber ball filter material (40).

On the other hand, as shown in FIG. 4 , the chamber 10 has a shape for mounting the filtration space 15 on the upper side, and does not flow in a fixed state through the support part 13 with a flat lower side. it may not be

In the inlet pipe 20, when a part of the drain main pipe 2 is closed through the valve 2b, the water supply moving along the drain main pipe 2 flows in, and it is connected to the inlet 14a and the drain main pipe (2) The tap water introduced from the is moved to the compartment (14).

The treated water discharge pipe 30 is disposed in the filtration space 15 to discharge the treated water from which foreign substances and suspended substances have been filtered by the fiber ball filter 40 to the drain main pipe 2 .

The fiber ball filter material 40 is a filter material made of a fiber ball capable of filtering foreign substances and suspended substances in the tap water. The fiber ball filter media 40 has its own elasticity, so it can filter foreign substances and suspended substances in the tap water after changing to the first state or the second state depending on whether it is compressed by the filter media compression plate 50 .

The first state of the fiber ball filter medium 40 is a state that is not compressed by the filter media compression plate 50 as shown in FIG. 4A and indicates a low-density state in which the distance between the fiber balls is relatively wider or larger than that of the second state. do.

The second state of the fiber ball filter medium 40 is a state compressed in one direction by the filter media compression plate 50 as shown in FIG. 4B , and a high-density state in which the distance between the fiber balls is narrower or smaller than that of the first state. it means. Accordingly, the second state of the fiber ball filter medium 40 can filter foreign matter and suspended matter of relatively smaller particles than the first state.

Furthermore, the fiber ball filter medium 40 occupies a part of the filtration space 15 adjacent to the partition 14 and removes foreign substances and suspended substances from the water supply flowing into a part of the filtration space 15 from the partition 14 . filter

As shown in FIG. 5, the fiber ball filter medium 40 has a diameter such that the outer edge can contact the inner wall 11a of the flange, and the central part is penetrated by the treated water discharge pipe 30, so that the fiber ball filter material ( 40) before the tap water flowing toward the center of the fiber ball filter medium 40 reaches the treated water discharge pipe 30, it is possible to filter foreign substances and suspended substances.

2 to 4, the filter media compression plate 50 is disposed between the fiber ball filter media 40 and the filter media compression tube 60 in the filtration space 15, and the filter media compression tube 60 is When it expands according to the volume of the air 62a, the fiber ball filter medium 40 is compressed in one direction to deform the fiber ball filter medium 40 from the first state to the second state.

The filter media compression plate 50 has a guide hole 51 to move in the filtration space 15 about the treated water discharge pipe 30 as an axis when the filter media compression tube 60 is expanded or contracted in an expanded state. is formed

As shown in FIG. 6 , the filter media compression plate 50 has a guide hole 51 having an outer diameter through which the treated water discharge pipe 30 can pass, and is formed in the central region, with the treated water discharge pipe 30 as an axis in one direction. Alternatively, it may be moved in another direction. As a specific example, the filter media compression plate 50 may be moved in one direction when the filter media compression tube 60 is expanded with the treated water discharge pipe 30 as an axis, and on the contrary, the filter media compression tube 60 is in an expanded state It can move in the other direction when contracted.

The filter media compression plate 50 may be provided with a packing member such as an O-ring for preventing the penetration of untreated tap water or treated water into the gap between the guide hole 51 and the treated water discharge pipe 30 .

In this way, the filter media compression plate 50 prevents the penetration of untreated tap water or treated water through the packing member, so that the filtering space 15 is formed by a portion where the fiber ball filter media 40 is disposed and the filter media compression tube 60 It can be divided into other parts to be arranged. Accordingly, the treated water from which foreign substances and suspended substances are filtered from the fiber ball filter medium 40 is moved from a part of the filtration space 15 to the main drainage pipe 2 along the treated water discharge pipe 30, and It will not flow into other parts.

As shown in FIGS. 2 to 4, the filter media compression tube 60 is disposed in the other part of the filtration space 15 partitioned by the filter media compression plate 50, and has the treated water discharge pipe 30 as an axis. In order to expand or contract according to the volume of the air 62a injected from the guide hole 61 and the air injection part 62 are provided.

As shown in FIG. 7, in the filter media compression tube 60, a guide hole 61 having an outer diameter through which the treated water discharge pipe 30 can pass is formed in the central region of the filter media compression tube 60, and one or more air In the same manner as the guide hole 51 , the injection part 62 is the central region of the filter media compression tube 60 , and is provided in the peripheral region of the filter media compression tube 60 relatively rather than the guide hole 51 to inject external air. Air 62a may be injected from a device (not shown).

The air injection part 62 has a shape surrounding the guide hole 61 in one embodiment, and the first air injection part 62a, the second air injection part 62b, and the third air injection part are spaced apart from each other at regular intervals. It may consist of a portion 62c and a fourth air injection portion 62d.

At least one of the first, second, third, and fourth air injection units 62a, 62b, 62c, and 62d receives air 62a from an air injection device (not shown) and expands the filter media compression tube 60 . do.

The air injection unit 62 is an air injection adapter 620 and fixed to expand or contract according to the volume of the air 62a in a state in which the filter media compression tube 60 is fastened (or fixed) to the flange 11 . bolts 621 .

The air injection adapter 620 is inserted into the through groove 11b of the flange, as shown in FIGS. 8 to 10 , and the fixing bolt 621 penetrates the through groove 11b and the air injection adapter exposed to the outside. As it is fastened with the end of the 620 , the air injection adapter 620 is maintained in a state drawn into the through groove 11b so that the filter media compression tube 60 can be fastened to the flange 11 .

Meanwhile, in FIGS. 8 to 10 , the air injection adapter 620 and the fixing bolt 621 are shown as the air injection adapter 620a and the fixing bolt 621a of the first air injection part 62a, but the remaining second , 3, 4 air injection parts (62b, 62c, 62d) is also preferably made of the same air injection adapter 620 and the fixing bolt (621).

The air injection unit 62 may receive the air 62a from the air injection device (not shown) when the air injection device (not shown) is controlled by a PLC or a control unit.

Meanwhile, the filter media compression tube 60 may be disposed in the other part of the filtration space 15 in the shape of a tube as shown in FIGS. 2 to 10 , but is not limited thereto and may be deformed into various shapes. .

The first valve 70 is installed in a part of the inlet pipe 20 to open or close the inlet pipe 20 as shown in FIGS. 2 to 3 .

The first valve 70 may be connected to the inlet pipe 20 and the valve 2b of the main drainage pipe 2 to open or close the inlet pipe 20 to control the supply direction and flow rate of tap water. As a specific example, the first valve 70 may open the inlet pipe 20 when the valve 2b is closed to introduce tap water into the filtration space 15, and on the contrary, when the valve 2b is opened By closing the inlet pipe (20), the water supply is moved along the main drainage pipe (2), and it is possible to block the inflow of the water supply into the filtering space (15).

On the other hand, the closing of the valve 2b and the opening of the first valve 70 cause the passage to be excessively reduced due to foreign substances and suspended matter in the water supply in some areas between the valve 2b and the valve 2a of the other drainage main pipe. This can be done when, and it is possible to block the inflow of waterworks into the customs washing section of the drainage main pipe (2).

The first valve 70 may be connected with the valve 2a depending on the connection position of the inlet pipe 20 or may be linked with the valve (hereinafter '2c') of another drain main pipe 2 not shown in the drawing. have.

The first valve 70 is provided with a first pressure gauge 75 for measuring the pressure of the inlet pipe 20 .

The second valve 80 is installed in a part of the treated water discharge pipe 30 to open or close the treated water discharge pipe 30 .

The second valve 80 may be connected to a valve 2c (not shown) disposed at the rear end of the valve 2b to open or close the treated water discharge pipe 30 to control the movement of treated water. As a specific example, the second valve 80 opens the treated water discharge pipe 30 when the valve 2c of the drain main pipe 2 is opened to move the treated water to the drain main pipe 2, and vice versa. When the valve 2c of the main drainage pipe 2 is closed, since there is a possibility that the water supply may flow back into the treated water discharge pipe 30 , the treated water discharge pipe 30 may be closed.

At this time, the opening of the valve 2b and the second valve 80 flows the treated water (waterworks) in which foreign substances and suspended substances have been filtered out to the drainage main pipe 2, so that foreign substances and floating substances are suspended along the drainage main pipe 2 It has the effect of preventing the water supply containing the substance from being drained.

The second valve 80 is provided with a second pressure gauge 85 for measuring the pressure of the treated water discharge pipe 30 .

The backwash air inlet pipe 90 may be connected to an external backwash air injection device (not shown) to inject backwash air for backwashing of the filtration space 15 into the treated water outlet pipe 30 .

The residual air discharge unit 100 is installed on one side of the chamber 10 to discharge the air remaining inside the chamber 10 to the outside.

The backwashing water and backwashing air discharge pipe 110 passes through the chamber 10 and discharges the backwashing water and backwashing air from the filtering space 15 to the outside.

At this time, the backwash water and backwash air are introduced into the treated water discharge pipe 30 , and after backwashing the filtration space 15 , are discharged to the outside by the backwash water and backwash air discharge pipe 110 .

On the other hand, in the backwashing process of the filtration space 15, the first and second valves 70 and 80 flow out to the inlet pipe 20 or the treated water outlet pipe 30 instead of the backwash water and backwash air outlet pipe 110, It is preferable to close the inlet pipe 20 and the treated water outlet pipe 30 to prevent the backwash water and the backwash air outlet pipe 110 from flowing out to the inlet pipe 20 or the treated water outlet pipe 30 .

11 to 13 , the water pipe filtering device 1 further includes a filtering filter 120 in an embodiment of the present invention.

The filtration filter 120 may include a fiber ball filter medium 40 to filter contaminants such as foreign substances and suspended substances that may remain in the tap water from which foreign substances and suspended substances have been filtered.

The filtration filter 120 is installed in a part of the drainage main pipe 2 in which the movement of the water supply in which foreign substances and suspended substances are filtered, and the foreign substances that may remain in the water supply before the water supply is introduced into the consumer 300, and Contaminants such as suspended matter can be filtered.

The detailed description of the preferred embodiments of the present invention disclosed as described above is provided to enable any person skilled in the art to make and practice the present invention. Although the above has been described with reference to preferred embodiments of the present invention, it will be understood by those skilled in the art that various modifications and changes can be made to the present invention without departing from the scope of the present invention. For example, those skilled in the art can use each configuration described in the above-described embodiments in a way in combination with each other. Accordingly, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The present invention may be embodied in other specific forms without departing from the spirit and essential characteristics of the present invention. Accordingly, the above detailed description should not be construed as restrictive in all respects but as exemplary. The scope of the present invention should be determined by a reasonable interpretation of the appended claims, and all modifications within the equivalent scope of the present invention are included in the scope of the present invention. The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. In addition, claims that are not explicitly cited in the claims may be combined to form an embodiment or may be included as a new claim by amendment after filing.

1: Water pipe filter device, 2: Drain main pipe,
3: small block water pipe, 10: chamber,
11: flange, 11a: flange inner wall,
11b: through groove, 13: support,
14: compartment, 14a: inlet,
15: filtration space, 20: inlet pipe,
30: treated water discharge pipe, 40: fiber ball filter media,
50: media compression plate, 51: guide hole,
52: a first fastening part, 53: a second fastening part,
53a: insertion groove, 54: third fastening part,
54a: fixing bolt, 54b: fixing nut,
55: through groove, 60: media compression tube,
60a: first media compression tube, 61: guide hole,
62: air inlet, 62a: air;
70: a first valve, 75: a first pressure gauge;
80: a second valve, 85: a second pressure gauge;
90: backwash air inlet pipe, 100: residual air outlet,
110: backwashing water and backwashing air discharge unit, 120: filtration filter,
200: water purification plant, 210: pressurization plant,
220: water reservoir, 300: consumer,
620: air inlet adapter, 621: fixing bolt.

Claims (8)

A water pipe filtering device installed in the water supply pipe before passing the water supply in the washed water supply pipe to filter foreign substances and suspended substances included in the water supply when passing the water supply pipe; includes,
The water pipe filter device,
When a part of the water supply pipe is closed through the valve, an inlet pipe through which the water supply containing foreign substances and suspended substances from the water supply pipe is introduced;
a chamber having a partition for allowing the water supply moving along the inlet pipe to move in a partitioned manner, and providing a filtration space through which the water supply partitioned by the partition is filtered;
a treated water discharge pipe disposed in the filtration space to discharge the treated water from which the foreign substances and suspended substances are filtered in the filtration space to the water supply pipe;
a filter media compression tube disposed in the filtration space, which is penetrated by the treated water discharge pipe, and expands or contracts according to the volume of air injected from the outside through one or more air injection units;
a fiber ball filter medium disposed in the filtration space, which is penetrated by the treated water discharge pipe, and filters foreign substances and suspended substances of the water supply in a low-density first state before the water supply is discharged into the treated water discharge pipe; and
A filter media compression plate disposed between the filter media compression tube and the fiber ball filter medium, which is penetrated by the treated water discharge pipe, and compresses the fiber ball filter media in one direction by the filter media compression tube when the filter media compression tube expands. ; Water pipe maintenance filtration system comprising a. The method of claim 1,
The fiber ball filter medium,
When compressed in one direction by the filter media compression plate, the water supply pipe maintenance filtration system, characterized in that for filtering foreign substances and suspended substances of the water supply in a second state that is higher in density than the first state. The method of claim 1,
The water pipe filter device,
Waterworks pipe characterized in that it is installed in the customs washing section of the main drainage pipe through which the water supply is drained and/or in the customs washing section of the small block water supply pipe that communicates with the main drainage pipe so that the water supply drained along the drainage main pipe is supplied to the consumer. Maintenance filtration system. 4. The method of claim 3,
The customs washing section of the main drainage pipe is,
Based on at least one closed valve among the plurality of valves installed in the drain main pipe, the water supply pipe maintenance filtration system, characterized in that the other valve is closed while being installed at the front or rear end of the drain main pipe. 5. The method of claim 4,
The water pipe filter device,
Water supply pipe maintenance filtration system, characterized in that it is installed at a position such that the water supply drained along the drainage main pipe flows into the inlet pipe through the closing of a valve installed at the relatively rear end within the customs washing section of the drainage main pipe . 4. The method of claim 3,
The customs washing section of the small block water supply pipe is,
A water supply pipe maintenance filtration system, characterized in that from a communication point between the small block water supply pipe and the main drainage pipe to a valve that is closed while closest to the communication point among a plurality of valves installed in the small block water supply pipe. 7. The method of claim 6,
The water pipe filter device,
Water supply pipe maintenance filtration system, characterized in that it is installed at a position such that the water supply supplied along the small block water supply pipe through the closing of the valve flows into the inlet pipe. 4. The method of claim 3,
The water pipe filter device,
It is installed for a predetermined time in the custom washing section of the main drainage pipe and/or in the custom washing section of the small block water supply pipe before passing the water supply, and after the predetermined time has elapsed, from the main drainage pipe and/or the small block water supply pipe Water pipe maintenance filtration system, characterized in that it can be reused after removal.

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