KR102041286B1 - Water purification system - Google Patents

Abstract

A circulation pump providing pressure for flowing water supplied from the water pipe, a supply pipe for guiding water from the discharge end of the circulation pump to the user space, and guiding water from the user space to the inlet end of the circulation pump. A water treatment system installed in a water pipe system including a recovery pipe, the water treatment system according to an embodiment includes: a first bypass pipe branched from the supply pipe; A water processor receiving water from the first bypass pipe and filtering water at a pressure of the circulation pump; And it may include a second bypass pipe for transporting the water filtered from the water treatment to the recovery pipe.

Description

Water treatment system {WATER PURIFICATION SYSTEM}

The description below relates to a water treatment system.

The water treatment system may purify the water through sterilization, debris removal, chemical treatment, etc. of the water flowing in the water pipe system to prevent corrosion of the pipe and reduction of heat exchange efficiency of the heat exchanger.

A filtration water processor is used to remove debris, and in order to operate the filtration water processor, it is common to have a separate circulation pump, because pressure must be applied to the water processor.

However, having a separate circulation pump for the water processor has been a burden in terms of cost and power usage.

On the other hand, in the case of large foreign matter, it is generally possible to remove through the strainer, but in the case of very small fine foreign matter, it is not removed only by the strainer or a general water treatment machine.

In particular, fine foreign matters may be deposited inside the heat exchanger installed in the water pipe system, which may lower the heat exchange efficiency and cause the problem of periodically cleaning the heat exchanger. May cause malfunction.

Therefore, there is a need for the development of a water processor that is equipped with a water processor capable of removing fine foreign matters, but has no burden in terms of cost and power usage.

The background art described above is possessed or acquired by the inventors in the process of deriving the present invention, and is not necessarily a known technology disclosed to the public before the application of the present invention.

It is an object of one embodiment to provide a water treatment system.

A circulation pump providing pressure for flowing water supplied from the water pipe, a supply pipe for guiding water from the discharge end of the circulation pump to the user space, and guiding water from the user space to the inlet end of the circulation pump. A water treatment system installed in a water pipe system including a recovery pipe, the water treatment system according to an embodiment includes: a first bypass pipe branched from the supply pipe; A water processor receiving water from the first bypass pipe and filtering water at a pressure of the circulation pump; And it may include a second bypass pipe for transporting the water filtered from the water treatment to the recovery pipe.

The water treatment system according to one embodiment may not include a pressure pump.

The diameter of the first bypass pipe may be 1/20 to 1/5 of the diameter of the supply pipe, and the diameter of the second bypass pipe may be 1/20 to 1/5 of the diameter of the recovery pipe.

The water treatment unit includes a filtration filter for filtering foreign substances of water introduced; A cleaning inlet end disposed above the filtration filter and connected to the first bypass pipe; And a fine discharge stage disposed under the filtration filter and connected to the second bypass pipe.

The water treatment unit, a backwash inlet end disposed below the filtration filter and connected to the water pipe; And a backwash discharge end disposed at an upper side of the filtration filter and connected to a drain pipe for discharging water to the outside, wherein the backwash inlet is connected to the backwash inlet by the water pressure of the water pipe. Foreign matter accumulated in the upper portion may be discharged through the backwash discharge stage.

The water treatment system may further include a controller configured to control the water treatment system and operate the water treatment device in a clean mode or a backwash mode. The water processor may be installed at the clean inlet stage and block the first bypass pipe. A first valve capable of; A second valve installed at the fine discharge end and capable of blocking the second bypass pipe; A third valve installed at the backwash inlet and capable of blocking water flowing into the backwash inlet from the water pipe; And a fourth valve installed at the backwash discharge end and capable of blocking the drain pipe, and when the water processor operates in the cleaning mode, the controller opens the first valve and the second valve. And closing the third valve and the fourth valve, and when the water processor operates in the backwash mode, the controller opens the third valve and the fourth valve, and shuts off the first valve and the second valve. Can be.

The controller may operate the water processor in the forward mode, but operate the water processor in the backwash mode for a predetermined time interval at each preset time period.

The water processor, the first pressure sensor for measuring the pressure of the cleaning inlet; And a second pressure sensor configured to measure the pressure at the fine discharge stage, wherein the controller is configured to set a difference value between the pressure value measured by the first pressure sensor and the pressure value measured by the second pressure sensor. If greater, the water processor can be operated in backwash mode.

The water treatment unit may include a cylindrical internal space accommodating the filtration filter and having an axis perpendicular to the ground; And injection pipes for injecting water from the cleaning inlet toward the filtration filter, wherein the injection piping includes: a main pipe extending from the cleaning inlet toward the center of the upper side of the filtration filter; And extending from the main pipe in the direction toward the inner circumferential surface of the inner space radially equal intervals, the end portion is discharged water may include a plurality of injection nozzles bent obliquely toward the circumferential direction and the lower side of the inner space. .

The filtration filter may be a sand filter, and an angle at which water is discharged from the plurality of injection nozzles to the sand filter may be formed between 10 ° and 60 ° with respect to the ground.

According to the water treatment system according to an embodiment, since it operates at the pressure of the circulation pump of the water pipe system in which the water treatment system is installed, the water treatment system may operate without a separate circulation pump.

According to the water treatment system according to an embodiment, backwashing may be performed at regular intervals, thereby cleaning foreign matter accumulated in the filtration filter.

According to the water treatment device according to one embodiment, the injection nozzle for injecting water toward the filtration filter in the water processor can prevent the damage of the filtration filter while generating a vortex flow in the water treatment, filtration efficiency and filtration precision Can be improved.

1 is a block diagram illustrating a water treatment system according to an exemplary embodiment.
2 is a block diagram illustrating a water treatment system according to an exemplary embodiment.
3 is a view illustrating the flow of water when the water treatment system according to an embodiment operates in the clean mode.
4 is a view illustrating the flow of water when the water treatment system according to an embodiment operates in the backwash mode.
5 is a partial cutaway perspective view illustrating an internal structure of a water processor according to one embodiment.

Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings. In adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are assigned to the same components as much as possible even though they are shown in different drawings. In addition, in describing the embodiment, when it is determined that the detailed description of the related well-known configuration or function interferes with the understanding of the embodiment, the detailed description thereof will be omitted.

In addition, in describing the components of the embodiment, terms such as first, second, A, B, (a), and (b) may be used. These terms are only for distinguishing the components from other components, and the nature, order or order of the components are not limited by the terms. If a component is described as being "connected", "coupled" or "connected" to another component, that component may be directly connected or connected to that other component, but between components It will be understood that may be "connected", "coupled" or "connected".

Components included in any one embodiment and components including common functions will be described using the same names in other embodiments. Unless stated to the contrary, the description in any one embodiment may be applied to other embodiments, and detailed descriptions thereof will be omitted in the overlapping range.

1 is a block diagram illustrating a water treatment system according to an embodiment, and FIG. 2 is a block diagram illustrating a water treatment system according to an embodiment.

1 and 2, the water treatment system 1 according to an embodiment may be installed in the water pipe system 2 to remove foreign substances in water flowing through the water pipe system 2.

For example, the water pipe system 2 may be a water pipe system for supplying air conditioning and hot water to an assembly building divided into several parts in a central machine room. The water pipe system 2 may be installed, for example, in a building, a factory, or the like of a house, a building, etc., and the application of the present invention is not limited to the above examples. For example, the water pipe system 2 may receive water through the water pipe 31 and provide the water to the user space 22. The water pipe system 2 may include a circulation pump 21, a heat exchanger 23, a supply pipe 24, a user space 22, and a return pipe 25.

The circulation pump 21 may provide a pressure for flowing water supplied from the water pipe 31 connected to the water supply pipe to the user space 22. For example, the circulation pump 21 may discharge water to the supply pipe 24 through the discharge end, and may receive water from the recovery pipe 25 through the inlet end.

The supply pipe 24 may be a pipe for guiding water from the discharge end of the circulation pump 21. The supply pipe 24 may guide the water flowing by the pressure of the circulation pump 21 to the user space 22.

The heat exchanger 23 may be installed in the supply pipe 24. The heat exchanger 23 can heat or cool water.

The user space 22 may be a point at which air conditioning and hot water are supplied through the supply pipe 24. For example, user space 22 may be understood to refer to a heat exchanger in an assembly building, such as an apartment or villa.

The recovery pipe 25 may be a pipe that performs heat exchange in the user space 22 and guides the water recovered to the circulation pump 21.

In the water treatment system 1, an inlet for receiving water and an outlet for discharging water are provided in parallel before and after the circulation pump 21, and operate only by the pressure of the circulation pump 21 to purify the water. In other words, the water treatment system 1 is not provided with a separate pressure pump, and the water can be purified by using the pressure of the circulation pump 21 which is essentially installed on the water pipe system 2. The water treatment system 1 includes a first bypass pipe 141, a second bypass pipe 142, a water supply pipe 143, a drain pipe 144, a water processor 12, a control unit 18, and an input unit 19. It may include.

The first bypass pipe 141 may be branched from the discharge end of the circulation pump 21, that is, the supply pipe 24, to guide water to the water processor 12. For example, the diameter of the first bypass pipe 141 may have a size between 1/20 and 1/5 of the diameter of the supply pipe 24. According to the above structure, the water flowing from the supply pipe 24 to the first bypass pipe 141 flows as the diameter of the pipe decreases, so that the pressure loss for supplying water on the water pipe system 2 is reduced. It is possible to allow the water treatment system 1 to flow at a high speed while preventing the damage.

The second bypass pipe 142 may be connected to the inlet end of the circulation pump 21, that is, the recovery pipe 25. According to the second bypass pipe 142, the water filtered by the water processor 12 may be guided through the recovery pipe 25. For example, the diameter of the second bypass pipe 142 may have a size between 1/20 and 1/5 of the diameter of the supply pipe 24. According to the above structure, the problem of water flowing back from the supply pipe 24 to the second bypass pipe 142 can be structurally reduced without a separate control device.

According to the 1st bypass piping 141 and the 2nd bypass piping 142, the water treatment system 1 which does not have a separate pump flows by the pressure of the circulation pump 21 of the water piping system 2. A portion of the water can be taken off to create sufficient speed and pressure to perform the filtered water treatment. In the water pipe system 2, the highest pressure is formed at the discharge end of the circulation pump 21, and the lowest pressure is formed at the inlet end. Thus, by providing the first bypass pipe 141 and the second bypass pipe 142 respectively at two points having the highest pressure difference, part of the water circulating in the water pipe system 2 without a separate pump. Circulates the water treatment system 1 in a constant direction and allows it to flow back into the water pipe system 2.

The time water supply pipe 143 may be a pipe connected to the time water pipe 31 for supplying water to the water processor 12 for backwashing the water processor 12. The water flowing into the water supply pipe 143 may be discharged to the drain 32 through the water processor 12 and the drain pipe 144 by the time water pressure without a separate pump of the water supply pipe 31.

The drain pipe 144 may be a pipe for discharging the water used for backwashing the water processor 12 to the outside or the drain 32. For example, the drain 32 can be understood as the point where the used water is discharged to the outside or disposed of.

The water processor 12 may be a device for filtering the water flowing in the water pipe system 2 by filtration. For example, the water processor 12 may filter the water branched from the supply pipe 24 from the first bypass pipe 141 without the configuration of a separate pump, and the filtered water may pass through the second bypass pipe. Through 142, it can be sent to the recovery pipe (25). The water processor 12 includes a filtration filter 123, a cleansing inlet 111, a cleansing discharge 112, a backwashing inlet 113, a backwashing discharge 114, a plurality of valves 131, 132, 133, 134, a first pressure sensor 15, and a second pressure sensor 16.

As shown in FIG. 5, the filtration filter 123 may be disposed in the internal space 122 of the water treatment machine 12, and as the water passes therethrough, the foreign matter in the water may be filtered out. For example, the filtration filter 123 may include any one or more of a sand filter, a cartridge filter, and a hollow fiber membrane filter.

The refinement inlet 111 may be connected to the first bypass pipe 141 to receive water. For example, the cleansing inlet 111 may be located above the filtration filter 123.

The fine discharge stage 112 may be connected to the second bypass pipe 142 to discharge filtered water by the filtration filter 123. For example, the fine discharge stage 112 may be located below the filtration filter 123.

The backwash inlet 113 is connected to the water supply pipe 143 to receive water supplied from the water supply pipe 31. For example, the backwash inlet 113 may be located below the filtration filter 123.

The backwash discharge stage 114 is connected to the drain pipe 144 to discharge the water subjected to the backwash of the filtration filter 123 to the outside or the drain 32.

The plurality of valves 131, 132, 133, and 134 may be installed at the cleansing inlet 111, the cleansing discharge end 112, the backwashing inlet 113, and the backwashing discharge end 114 to block the flow of water. . For example, the plurality of valves 131, 132, 133, and 134 may be gate valves or electromagnetic expansion valves or the like that may block the flow path with external power and electromagnetic signals.

For example, the plurality of valves 131, 132, 133, and 134 may include a first valve 131 and a fine discharge stage installed at the fine inlet 111 and capable of blocking the first bypass pipe 141. The second valve 132, which is installed in the 112 and can block the second bypass pipe 142, is installed in the backwash inlet 113 and the water flowing from the water pipe 31 to the backwash inlet 113 It may include a third valve 133 that can be blocked and a backwash discharge end 114, and a fourth valve 134 that can block the drain pipe 144.

On the other hand, in addition to the plurality of valves shown, a check valve capable of flowing water in one direction may be disposed on the flow path of the water treatment system 1. For example, the check valve may be installed on the first bypass pipe 141, and according to this arrangement, even when the circulation pump 21 is stopped or malfunctions, the check valve is stacked inside the water processor 12. As a result of the foreign matters flowing back to the heat exchanger 24, the problem of damaging the heat exchanger 24 can be prevented.

The first pressure sensor 15 may be installed in the cleansing inlet 111 to measure the pressure of water flowing into the water processor 12 from the cleansing inlet 111.

The second pressure sensor 16 may be installed at the fine discharge stage 112 and measure the pressure of water flowing from the fine discharge stage 112 to the second bypass pipe 142.

The control unit 18 can control the operation of the water treatment system 1. For example, the controller 18 may operate the water treatment system 1 in a clean mode for performing normal filtration or a backwash mode for cleaning the filtration filter 123.

In the backwash mode, the foreign matter is excessively accumulated in the filtration filter 123, in order to solve that the water flowing into the cleaning inlet 111 does not pass smoothly through the filtration filter 123, the water to the filtration filter ( It may be a process of flowing water from the lower side to the upper side of the 123, that is, the reverse direction of the fine mode.

For example, the controller 18 may selectively block the plurality of valves 131, 132, 133, and 134. For example, when the controller 18 operates the water processor 12 in the clean mode, the controller 18 may shut off the third valve 133 and the fourth valve 134, and operate the water processor 12 in the backwash mode. In this case, the first valve 131 and the second valve 132 may be blocked.

For example, the controller 18 may receive the pressure measured by the first pressure sensor 15 and the second pressure sensor 16. For example, when the difference between the pressure value measured by the first pressure sensor 15 and the pressure value measured by the second pressure sensor 16 is large, the control unit 18 has excessive foreign substances in the filtration filter 123. The water processor 12 can be operated in the backwash mode by judging that it is accumulated.

For example, when the difference between the pressure value measured by the first pressure sensor 15 and the pressure value measured by the second pressure sensor 16 is greater than the "set difference value", the controller 18 may determine the water processor ( 12) can be operated in backwash mode.

Here, the set difference value is between the fine inlet 111 and the fine outlet 112 when the flow of water flowing into the water processor 12 due to the foreign matter accumulated in the filtration filter 123 is not smooth. Can be the difference in water pressure. For example, the set difference value may be appropriately selected by the user according to the specifications of the water pipe system 2 and the water treatment system 1.

As another example, the controller 18 may normally drive the water processor 12 in the fine mode, but operate the water processor 12 in the backwash mode for every "set time period" for each "set time interval."

Here, the set time period may be a time period during which the backwash mode is performed while the water processor 12 operates in the forward mode, and the set time interval may be a time when the backwash mode is performed. The set time period and the set time interval can be appropriately selected by the user according to the specifications of the water pipe system 2 and the water treatment system 1.

The input unit 19 may be an interface for receiving an operation command of the water treatment system 1 from a user. For example, the user may input a setting time period and / or a setting time interval through the input unit 19. In addition, for example, the user may manually input whether the water treatment system 1 is operated in the clean mode or the backwash mode through the input unit 19, and may transmit the corresponding input signal to the controller 18.

3 is a view illustrating the flow of water when the water treatment system according to another embodiment operates in the clean mode, and FIG. 4 is a diagram illustrating the flow of water when the water treatment system according to another embodiment operates in the backwash mode.

Referring to FIG. 3, when the water treatment system 1 according to an embodiment operates in a clean mode, it is possible to check the flow of water.

For example, when the control unit 18 operates the water treatment system 1 in the clean mode, the control unit 18 shuts off the third valve 133 and the fourth valve 134, and the first valve 131. ) And the second valve 132 may be opened.

According to the above structure, after the water flowing into the first bypass pipe 141 flows into the water treatment unit 12 through the cleaning inlet 111, the filtration filter 123 passes from the upper side to the lower side. The foreign matter may be filtered, and the filtered water may be discharged to the second bypass pipe 142 through the fine discharge stage 112 located below the filtration filter 123 and guided to the recovery pipe 25. .

In this case, the third valve 133 and the fourth valve 134 may be blocked to block the flow of water from the water supply pipe 143 and to prevent the water from being discharged through the drain pipe 144. have.

Referring to FIG. 4, when the water treatment system 1 operates in the backwash mode, it is possible to check the flow of water.

For example, when the control unit 18 operates the water treatment system 1 in the clean mode, the control unit 18 shuts off the first valve 131 and the second valve 132, and the third valve 133. ) And the fourth valve 134 may be opened.

According to the above structure, after the water flowing into the water supply pipe 143 is introduced into the water treatment unit 12 through the backwash inlet 113, and passes through the lower side of the filtration filter 123 to the upper side, the filtration filter The foreign matter accumulated in the 123 may be separated from the filtration filter 123 and float in the water, and the washed water of the filtration filter 123 may cause the backwash discharge end 114 located at the upper side of the filtration filter 123. It is discharged through the drain pipe 144 through, it can be discharged to the outside or drain 32.

In this case, the first valve 131 and the second valve 132 are blocked, the flow of water flowing from the first bypass pipe 141 can be blocked, the internal space (through the fine discharge stage 112) ( It is possible to prevent the water of 122 from being discharged to the second bypass pipe 142.

5 is a partial cutaway perspective view illustrating an internal structure of a water processor according to one embodiment.

Referring to FIG. 5, the water processor 12 according to an embodiment may include an internal space 122, a filtration filter 123, and an injection pipe 17.

The internal space 122 is a space through which water flows in and may accommodate the filtration filter 123. For example, the internal space 122 may have a cylindrical shape extending upward and downward.

The filtration filter 123 is provided in the internal space 122 and can filter water. For example, the filtration filter 123 may be a sand filter formed by being stacked from the lower side of the internal space 122.

The injection pipe 17 may be a pipe that injects water received from the cleaning inlet 111 into the internal space 122.

For example, the injection pipe 17 may include the main pipe 171 and the injection nozzle 172.

The main pipe 171 may be connected from the cleaning inlet 111, and may extend toward the center of the upper side of the filtration filter, that is, the center of the cylindrical inner space 122.

The plurality of injection nozzles 172 extend from the main pipe 171 in the direction toward the inner circumferential surface of the inner space 122 at radially equal intervals, and end portions at which water is discharged are circumferential and lower sides of the inner space 122. It can be bent at an angle toward.

According to the above structure, at a position spaced outward from the center of the cylindrical inner space 122, as it is injected obliquely toward the circumferential direction and the lower side, the flow of water of the spiral or whirlwind shape in the inner space 122 is formed Can be. Accordingly, the filtration surface in which water is in contact with the filtration filter 123 can be increased, and as a result, the filtration efficiency can be increased, and the filtration accuracy that can filter even finer foreign matter can be improved.

For example, an angle at which water is discharged at the bent end of the spray nozzle 172 may be formed between 10 ° and 60 ° with respect to the ground.

According to the above structure, since it is possible to form a sufficient pressure for pushing water downward, and to form a spiral or vortex flow of water, the filtration performance of the filtration filter 123 can be improved.

For example, if the angle at which the water is discharged exceeds 60 ° with respect to the ground, the discharged water may have an excessively large pressure in the downward direction, that is, the direction toward the filtration filter 123, and consequently the discharge The water being directly affects the top surface of the filtration filter 123, so that the filtration filter 123 may be damaged or damaged. In addition, since the spiral or vortex flow of water may be formed relatively weakly, the effect of increasing the filtration surface may be insignificant.

On the other hand, if the angle at which the water is discharged is formed less than 10 °, the water vortex phenomenon may occur actively in the water discharge portion, but the pressure in the downward direction is insufficient, the water vortex or spiral flow is filtered It may not be maintained until it reaches the filter 123. In this case, as a result, foreign matters stacked on the upper surface of the filtration filter 123 cannot be suspended, thereby causing a problem that water cannot pass through the filtration filter 123. In other words, it is possible to increase the backwash time in which the water purification function cannot be performed, thereby lowering the efficiency of the water treatment system 1.

According to the water treatment system according to an embodiment, since it operates at the pressure of the circulation pump of the water pipe system in which the water treatment system is installed, the water treatment system may operate without a separate circulation pump. According to the water treatment system according to an embodiment, backwashing may be performed at regular intervals, thereby cleaning foreign matter accumulated in the filtration filter. According to the water treatment device according to one embodiment, the injection nozzle for injecting water toward the filtration filter in the water processor can prevent the damage of the filtration filter while generating a vortex flow in the water treatment, filtration efficiency and filtration precision Can be improved.

Although embodiments have been described with reference to the accompanying drawings as described above, various modifications and variations are possible to those skilled in the art from the above description. For example, the described techniques may be performed in a different order than the described method, and / or components of the described structure, apparatus, etc. may be combined or combined in a different form than the described method, or may be combined with other components or equivalents. Appropriate results can be achieved even if they are replaced or substituted.

Therefore, other implementations, other embodiments, and equivalents to the claims are within the scope of the claims that follow.

Claims (10)

A circulation pump providing pressure for flowing water supplied from the water pipe, a supply pipe for guiding water from the discharge end of the circulation pump to the user space, and guiding water from the user space to the inlet end of the circulation pump. A water treatment system installed in a water pipe system including a recovery pipe,
The water treatment system,
A first bypass pipe branched from the supply pipe;
A water processor receiving water from the first bypass pipe and filtering water at a pressure of the circulation pump; And
A second bypass pipe for transporting the water filtered from the water processor to the recovery pipe,
The diameter of the first bypass pipe is 1/20 to 1/5 of the diameter of the supply pipe,
The diameter of the second bypass pipe is 1/20 to 1/5 of the diameter of the recovery pipe,
The first bypass pipe is connected to the discharge end of the circulation pump, the second bypass pipe is connected to the inlet end of the circulation pump, and the water processor has a parallel connection structure to the circulation pump. Has,
The water treatment system,
And a portion of the water flowing through the water pipe system is purified by only the pressure of the circulation pump provided in the water pipe system, and the purified water is recovered to the water pipe system.
The method of claim 1,
Wherein said water treatment system does not have a pressure pump.
delete The method of claim 1,
The water processor
A filtration filter for filtering foreign substances in the introduced water;
A cleaning inlet end disposed above the filtration filter and connected to the first bypass pipe; And
A water treatment system disposed below the filtration filter and including a fine discharge stage connected to the second bypass pipe.
The method of claim 4, wherein
The water processor,
A backwash inlet end disposed below the filtration filter and connected to the water pipe; And
A backwash discharge end disposed above the filtration filter and connected to a drain pipe for discharging water to the outside;
The water treatment system, characterized in that the foreign matter accumulated in the upper portion of the filtration filter through the water flowing into the backwash inlet end by the water pressure of the water pipe can be discharged through the backwash discharge end.
The method of claim 5,
A control unit for controlling the water treatment system, and operating the water processor in a clean mode or a backwash mode,
The water processor,
A first valve installed at the cleaning inlet and capable of blocking the first bypass pipe;
A second valve installed at the fine discharge end and capable of blocking the second bypass pipe;
A third valve installed at the backwash inlet and capable of blocking water flowing into the backwash inlet from the water pipe; And
A fourth valve installed at the backwash discharge end and capable of blocking the drain pipe;
When the water processor operates in the cleaning mode, the controller opens the first valve and the second valve, shuts off the third valve and the fourth valve,
And the control unit opens the third valve and the fourth valve and shuts off the first valve and the second valve when the water processor operates in the backwash mode.
The method of claim 6,
The controller is configured to drive the water processor in the clean mode, and operate the water processor in the backwash mode for a set time interval every set time period.
The method of claim 6,
The water processor,
A first pressure sensor measuring the pressure of the cleaning inlet end; And
Further comprising a second pressure sensor for measuring the pressure of the fine discharge stage,
The control unit,
And operating the water processor in backwash mode when the pressure value measured by the first pressure sensor and the pressure value measured by the second pressure sensor are greater than a set difference value.
The method of claim 4, wherein
The water processor,
A cylindrical inner space accommodating the filtration filter and having an axis perpendicular to the ground; And
Further comprising a injection pipe for injecting water from the cleaning inlet toward the filtration filter,
The injection pipe,
A main pipe extending from the cleaning inlet toward the center of the upper side of the filtration filter; And
And a plurality of spray nozzles extending at radially equal intervals from the main pipe in the direction toward the inner circumferential surface of the inner space, and the end portions from which water is discharged bent obliquely toward the circumferential direction and the lower side of the inner space.
The method of claim 9,
The filtration filter is a sand filter,
And an angle at which water is discharged from the plurality of injection nozzles to the sand filter is formed between 10 ° and 60 ° with respect to the ground.

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