KR102033739B1 - Method of cleaning water pipe - Google Patents

Abstract

An embodiment of the present invention provides a water pipe cleaning method with a shortened working time and improved work efficiency. The water pipe cleaning method comprises: a preparation step of securing a work hole and a drain hole in a water pipe to be cleaned among water pipes buried in the ground; a water storage step in which water is filled in the water pipe to be cleaned by closing a first water valve provided upstream and a second water valve provided downstream based on the flow direction of the water in the water pipe to be cleaned; a cleaning step of opening the work hole and supplying a cleaning device through the work hole to clean the inside of the water pipe to be cleaned; a drainage step of opening the drain hole and gradually opening the first water valve such that water containing foreign substances washed by clean water flowing through the first water valve is drained through the drain hole; a cleaning device removing step of closing the drain hole and the first water valve to fill the water pipe to be cleaned with clean water, and removing the cleaning device through the work hole; and a water feeding step of closing the work hole and opening the first water valve and a second water valve to feed water into the pipe.

Description

How to clean the water pipes {METHOD OF CLEANING WATER PIPE}

The present invention relates to a water pipe cleaning method, and more particularly, to a water pipe cleaning method of shortening the working time and improved work efficiency.

Generally, water pipes are buried underground to connect a number of pipes, and water is supplied to each household through water pipes.

In the water supply pipe, as the time goes by, the rust generated from the pipe itself and metallic nutrients and minerals such as copper, iron, and zinc dissolved in the water react with chlorine, which is a disinfectant, and oxygen and sludge generated from the water. Is deposited. As a result, the internal diameter of the water supply pipe becomes small, which causes problems in the movement of the water supply, and the water quality of the supplied water may be deteriorated. Therefore, the water supply pipe should be periodically cleaned.

In connection with the apparatus for cleaning the inside of the water pipes, Republic of Korea Patent Publication No. 0583427 discloses a sludge removal apparatus inside the water and sewage pipes configured to easily remove the sludge deposited in the water and sewage pipes buried underground. The sludge removal device inside the water supply and sewage pipe is manufactured to be large enough to enter the water supply and sewage pipe, and the base is installed to move freely by the wheel driven by the motor, and it is fixed to the base, and the rotating shaft protrudes to the front. Drive motor, the brush body with a wire brush installed to scrape and remove sludge from the inner wall of the water supply and sewage pipe while being rotated by being coupled to the rotating shaft, and a portable generator, a motor and a drive motor installed with electric wires connected to supply power to the drive motor and the motor. It consists of a remote control device.

The sludge removal apparatus inside the conventional water and sewage pipes allows the fork lane to dig the ground to remove the sludge of the water and sewage pipes, and the water and sewage pipes are exposed to the outside. When the water and sewage pipe is exposed to the outside, the water and sewage pipe is cut to a certain size, and then the device is introduced into the water and sewage pipe.

That is, when using the sludge removal apparatus inside the conventional water and sewage pipe, the work time is long because the water and sewage pipe is exposed to the outside, the water and sewage pipe is cut, and the work of draining all the water in the water and sewage pipe must be preceded. There is a problem.

Therefore, there is a need for a water pipe cleaning method of shortening working time and improving working efficiency.

Republic of Korea Patent Publication No. 0583427 (June 14, 2006)

In order to solve the above problems, the technical problem to be achieved by the present invention is to provide a water pipe cleaning method of shortening the working time and improved work efficiency.

The technical problem to be achieved by the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned above may be clearly understood by those skilled in the art from the following description. There will be.

In order to achieve the above technical problem, an embodiment of the present invention is a preparatory step of securing a work tool and a drain port in the water pipe to be washed, to be washed out of the underground water pipe; A water storage step of closing the first distillation valve provided upstream and the second distillation valve provided downstream based on the flow direction of water in the water pipe to be cleaned so that water is filled in the water pipe to be cleaned; A washing step of opening the work tool and supplying a washing device for cleaning the inside of the water pipe to be cleaned while moving along the water pipe to be washed through the work tool to wash the inside of the water pipe to be cleaned; A drainage step of opening the drain hole and gradually opening the first distillation valve so that water containing foreign substances washed by clean water flowing through the first distillation valve is discharged to the drain hole; A cleaning device removing step of closing the drain port and the first water valve to fill clean water with the water pipe, and removing the cleaning device to the work tool; And a water supply step of closing the work tool and opening the first water discharge valve and the second water discharge valve so that the water is passed through the washing apparatus, and the washing apparatus is sprayed with a portion of the high pressure water supplied from the high pressure pump on the ground. Injecting part for cleaning the inside of the target water pipe and another portion of the high-pressure water is injected to provide a driving force for the injection unit to move along the water pipe to be washed, in the draining step, the washing device is the washing step In the present invention provides a water pipe washing method characterized in that the high pressure water is injected in a second pressure less than the first pressure is injected in the opposite direction of the moving direction in the washing step.

In an embodiment of the present invention, the preparation step is a level measuring step of measuring the level of the water pipe to be cleaned, one end of the relatively high level of the water pipe to be washed is connected to the water pipe to be cleaned and the other end is And a work tool securing step of securing the work tool exposed to the ground, and a drain hole securing step of securing the drain hole at an upstream point of the second dilution valve, based on the flow direction of water in the water pipe to be cleaned. have.

In the embodiment of the present invention, in the work tool securing step, if the work tool is pre-installed, adopt the pre-installed work tool, and install the new work tool if the work tool is not pre-installed. Can be secured.

In the embodiment of the present invention, in the drain hole securing step, when the drain hole is provided in advance, the drain hole is adopted in advance, and when the drain hole is not provided in advance, a new drain hole is provided. Can be secured.

In an embodiment of the present invention, the drain port may further include a drain flow path, and the drain flow path may be exposed to the ground to discharge water containing the foreign matter discharged from the drain hole to the ground.

In the embodiment of the present invention, between the water storage step and the washing step, the first photographing step of supplying a photographing device to the inside of the water pipe to be washed through the work tool to photograph the internal state of the water pipe to be cleaned; It may further include.

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In an embodiment of the present invention, between the removing step and the water passing step, the second photographing step of supplying a photographing apparatus to the interior of the water pipe to be washed through the work tool to photograph the internal state of the water pipe to be cleaned; It may further include.

In an embodiment of the present invention, between the removing step and the water passing step, by supplying a test device to the inside of the water pipe to be washed through the work tool to inspect the water quality of the water filled in the water pipe to be cleaned It may further include.

According to an embodiment of the present invention, the washing process may be performed in the state of filling the water without draining the water of the water pipe to be cleaned, and through this, the time required for draining the water may be saved, which is required for the overall washing process. The time can be shortened.

In addition, according to an embodiment of the present invention, since the washing process is performed in a state filled with water to the water pipe to be cleaned, the injection unit can be moved long distance along the water pipe to be cleaned due to the buoyancy of the cleaning device and the driving force of the driving unit, Through this, the washing process for the water pipe to be cleaned may be performed without omission.

In addition, according to an embodiment of the present invention, the washing process is carried out in the state of filling the water pipe to be washed, the floating foreign matter of the water pipe to be washed is discharged with the water, so that the separate equipment and process for collecting the foreign matter unnecessary effects There is.

In addition, according to an embodiment of the present invention, in the drainage step of draining the water containing the floating foreign matter after the washing step, the washing device is a high pressure water at a second pressure less than the first pressure is injected when the high pressure water is washed By spraying in the opposite direction of the moving direction in the washing process while spraying, it is possible to prevent the sedimentation of suspended foreign matter to be effectively drained with water.

It is to be understood that the effects of the present invention are not limited to the above effects, and include all effects deduced from the configuration of the invention described in the detailed description or claims of the present invention.

1 and 2 is a flow chart showing a water pipe cleaning method according to an embodiment of the present invention.
3 is an exemplary view for explaining a water pipe washing method according to an embodiment of the present invention.
Figure 4 is an exemplary view showing a water pipe washing process according to an embodiment of the present invention.
Figure 5 is an exemplary view showing a washing apparatus mainly in the water pipe washing method according to an embodiment of the present invention.
Figure 6 is an exemplary view showing a work tool center in the water pipe cleaning method according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, coupled)" with another part, it is not only "directly connected" but also "indirectly connected" with another member in between. Also includes the case where In addition, when a part is said to "include" a certain component, this means that unless otherwise stated, it may further include other components rather than excluding the other components.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, the terms “comprise” or “have” are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

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

1 and 2 is a flow chart showing a water pipe cleaning method according to an embodiment of the present invention, Figure 3 is an exemplary view for explaining a water pipe cleaning method according to an embodiment of the present invention, Figure 4 is An exemplary view showing a water pipe washing process according to an embodiment.

As shown in Figure 1 to 4, the water pipe cleaning method according to an embodiment of the present invention is a preparation step (S110), water storage step (S120), washing step (S130), drainage step (S140), removal step (S150) And it may include a water supply step (S160).

First, the preparation step (S110) may be a step of securing the work tool 210 and the drain port 220 in the water pipe 10 to be cleaned, among the water pipes embedded in the ground.

The preparation step S110 may have a level measuring step S111, a work tool securing step S112, and a drain hole securing step S113.

The level measuring step S111 may be a step of measuring the level of the water pipe 10 to be cleaned.

Work tool securing step (S112) is secured to the work tool 210, one end is connected to the water target pipe 10, the other end is exposed to the ground 20 at a relatively high level of the water pipe 10 to be cleaned. It may be a step.

Referring to FIG. 3, the water pipe 10 to be cleaned has a higher level of the downstream point 12 than the upstream point 11 based on the flow direction FD of water. Thus, the work tool 210 can be secured at the downstream point 12. The work tool 210 may be provided with a work valve 211 for opening and closing the work tool 210.

In the work tool securing step (S112), when the work tool 210 is installed in advance, a work tool installed in advance may be adopted. However, if the work tool is not installed in advance, a new work tool can be installed and secured.

The drain hole securing step S113 may be a step of securing the drain hole 220 at an upstream point of the second distillation valve 240 based on the flow direction FD of the water in the water pipe 10 to be cleaned.

The drain port 220 may be provided with a drain valve 221, and the drain port 220 may be opened and closed by opening and closing the drain valve 221.

In the drain hole securing step S113, when the drain hole 220 is provided in advance, a drain hole provided in advance may be adopted. However, when the drain port is not provided in advance, a new drain port can be provided and secured.

The water storage step (S120) is to be cleaned by closing the first distillation valve 230 provided upstream and the second distillation valve 240 provided downstream based on the flow direction (FD) of the water in the water pipe 10 to be cleaned. The water pipe 10 may be a step of filling the water.

When the first distillation valve 230 and the second distillation valve 240 are closed in the storage step S120, the water target pipe 10 to be cleaned may be filled with water W1. In this case, the water pipe 10 to be cleaned may be in a state of stagnant water without the flow of water.

The work valve 211 and the drain valve 221 may also be closed (CLOSE) so that the water to be cleaned 10 may be filled with water W1 (see FIG. 4A). .

The washing step (S130) may be a step of washing the inside of the water pipe 10 to be cleaned by opening the work tool 210 and supplying the washing apparatus 300 through the work tool 210.

Water pipe cleaning method is between the water storage step (S120) and the washing step (S130), by supplying the imaging device 500 to the interior of the water pipe 10 to be washed through the work tool 210 inside the water pipe 10 to be cleaned The method may further include a first photographing step S170 of photographing the state.

In the first photographing step (S170), the photographing apparatus 500 may photograph the inside of the washing target water pipe 10 filled with the water W1 before cleaning. 10) it is possible to determine whether it is possible to proceed with the cleaning operation by supplying the cleaning device (300).

In this case, the work valve 211 of the work tool 210 may be opened to allow the photographing apparatus 500 and the washing apparatus 300 to flow therein.

In the present invention, the washing process may be performed in the state of filling the water without draining the water of the water pipe 10 to be cleaned, and thus, the time required for draining the water may be saved, and thus the time required for the entire washing process may be reduced. Can be shortened.

Figure 5 is an exemplary view showing a washing apparatus mainly in the water pipe washing method according to an embodiment of the present invention. Hereinafter, a description will be made further including FIG. 5.

As further shown in FIG. 5, the washing apparatus 300 may have an injection unit 320 and a driving unit 330.

The injection unit 320 may be connected to the main tube 310. The main tube 310 may be connected to the high pressure pump 400 provided on the ground, and the high pressure water supplied from the high pressure pump 400 may be supplied through the main tube 310.

A portion of the high pressure water supplied through the main tube 310 may be injected from the injection unit 320. The injection unit 320 may sail-inject the inner circumferential surface of the high pressure water PW1 to be washed, and the inner surface of the water target pipe 10 to be cleaned by the high pressure water PW1 injected from the injection unit 320. The foreign matter 30 accumulated in the may be separated from the water pipe 10 to be cleaned.

The injection unit 320 may be provided in plural at regular intervals along the circumferential direction of the water pipe 10 to be cleaned, and through this, the high pressure water PW1 injected from the water jet unit 320 may be the water pipe 10 to be cleaned. It can be sprayed evenly on the inner circumferential surface of the.

The propelling unit 330 may be connected to the main tube 310, and another portion of the high pressure water supplied through the main tube 310 may be injected through the propelling unit 330. The propelling unit 330 may spray the high pressure water PW2 to the rear of the washing apparatus 300, thereby providing a driving force to move the spraying unit 320 forward along the water pipe 10 to be cleaned. .

In the present invention, since the washing process is performed in a state filled with the water pipe 10 to be cleaned, due to the buoyancy of the washing device 300 and the driving force of the driving unit 330, the injection unit 320 is the water pipe 10 to be cleaned. It may be possible to move a long distance along, through which the washing process for the water pipe 10 to be cleaned may proceed without omission.

In the washing step (S130), the washing apparatus 300 can effectively clean the inside of the washing target water pipe (10) while moving along the washing target water pipe (10).

Referring to FIGS. 4B and 5, after the washing apparatus 300 passes, the water W2 may be water including the floating foreign matter 31 generated during the washing process.

In the draining step (S140), the drain port 220 is opened, and the first distillation valve 230 is gradually opened to remove water containing foreign substances washed by the clean water flowing through the first distillation valve 230. It may be a step to be discharged to the population 220 (see (c) of Figure 4).

In the draining step (S140), the washing apparatus 300 is spraying the high-pressure water (PW1, PW2) at a second pressure less than the first pressure in which the high-pressure water (PW1, PW2) is injected in the washing step (S130) In S130 may be moved in the opposite direction of the moving direction.

That is, the cleaning device 300 in the washing step (S130) to the high pressure water in the injection unit 320 at a sufficiently strong first pressure so that the foreign matter 30 attached to the inner circumferential surface of the water pipe 10 to be washed away PW1) is injected. In addition, the cleaning device 300 is to spray the high pressure water (PW2) from the propulsion unit 330 at a sufficiently strong first pressure to move forward along the water pipe 10 to be cleaned in the washing step (S130).

However, in the draining step (S140), while the first distillation valve 230 is gradually opened, clean water (W3) is introduced and thus water (W2) containing foreign matter is pushed out and drained through the drain hole (220). Therefore, the washing apparatus 300 is preferably backed together when the water (W2) containing the foreign matter in the drainage step (S140), it is necessary to reduce the driving force for smooth backward. Accordingly, in the driving unit 330, the high pressure water PW2 may be injected at a second pressure smaller than the first pressure at which the high pressure water PW2 is injected in the washing step S130.

 In addition, in order to prevent the floating foreign matter 31 contained in the water (W2) containing the foreign matter so that the floating foreign matter 31 is effectively discharged to the drain port 220, the injection unit 320 than the first pressure The high pressure water PW1 may be injected at a small second pressure.

In the drainage step S140, the drain valve 221 may be opened to allow drainage through the drain hole 220. The water W2 discharged from the drain port 220 may penetrate into the ground and be discharged.

On the other hand, the drain port 220 may be further provided with a drain flow path 222. The drain flow path 222 may extend to the ground, and through this, the water W2 discharged from the drain port 220 may be discharged to the ground.

In order to smoothly reverse the washing apparatus 300 in the draining step S140, the main apparatus 310 may be pulled from the ground to help the washing apparatus 300 retreat.

In the present invention, the washing process is carried out in the state of filling the water pipe 10 to be cleaned, and since the floating foreign matter of the water pipe 10 to be washed is discharged together with the water, a separate dust collecting equipment and a dust collecting process for collecting the foreign matter are unnecessary. It works.

Removing step (S150) is to close the drain port 220 and the first water valve 230 so that clean water (W3) is filled in the water pipe 10 to be cleaned, the cleaning device 300 working tool 210 It may be a step of pulling out. After the removal step (S150), the water pipe 10 to be cleaned may be in a state filled with clean water (W3) (see Fig. 4 (d)).

The water pipe washing method may further include a second photographing step S180 between the removing step S150 and the water passing step S160.

The second photographing step (S180) may be a step of photographing the internal state of the washing target water pipe 10 by supplying the photographing apparatus 500 to the inside of the washing target water pipe 10 through the work tool 210. Through the second photographing step (S180), a state such as whether the foreign matter is cleaned in the water pipe 10 to be cleaned may be photographed.

As a result of the second photographing step (S180), when it is determined that the foreign matter is not cleaned in the water pipe 10 to be cleaned, it may be repeated again from the washing step (S130).

In addition, the water pipe washing method may further include a water quality inspection step (S190) between the removal step (S150) and the water passing step (S160).

The water quality inspection step (S190) may be a step of inspecting the water quality of the water filled in the washing target water pipe 10 by supplying the inspection device 600 to the inside of the washing water pipe 10 through the work tool 210.

In the water quality test step (S190), several water quality tests including one or more of turbidity test and chemical test of water (W3) newly filled in the water target pipe 10 to be cleaned may be performed. You can check if it is washed well.

The water passage step S160 may be a step of closing the work tool 210 and the drain hole 220 and opening the first distillation valve 230 and the second distillation valve 240 to allow water to pass through. In the water pipe before the water supply step (S160), the washing apparatus 500, the photographing apparatus 500, and the inspection apparatus 600 may be removed.

Figure 6 is an exemplary view showing a work tool center in the water pipe cleaning method according to an embodiment of the present invention.

As shown in FIG. 6, a cover 215 may be provided at an upper end of the work tool 210. The cover 215 may be coupled to the flange 212 provided at the upper end of the work tool 210.

The cover 215 may have a plurality of inlets 216, 217, and 218, and each of the inlets 216, 217, and 218 may be inserted through the cleaning apparatus 300, the imaging apparatus 500, and the inspection apparatus 600. For example, the cleaning device 300 may be inserted through the first inlet 216, the imaging device 500 may be inserted through the second inlet 217, and the third inlet 218 may be inserted therein. The furnace may be inserted through the inspection device 600. Through this, interference such as twisting of wires between the cleaning device 300, the imaging device 500, and the inspection device 600 may be prevented, and the cleaning device 300, the imaging device 500, and the inspection device 600 may be prevented. You can easily check whether the supply of

The foregoing description of the present invention is intended for illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the invention is indicated by the following claims, and it should be construed that all changes or modifications derived from the meaning and scope of the claims and their equivalents are included in the scope of the invention.

10: water pipe to be cleaned
210: work tool
211: working valve
220: drain hole
221: drain valve
230: first dividing valve
240: second distillation valve
300: washing device
400: high pressure pump
500: recording device
600: inspection device

Claims (10)

A preparatory step of securing a work tool and a drain hole in the water pipe to be cleaned among the water pipes buried in the ground;
A water storage step of closing the first distillation valve provided upstream and the second distillation valve provided downstream based on the flow direction of water in the water pipe to be cleaned so that water is filled in the water pipe to be cleaned;
A washing step of opening the work tool and supplying a washing device for cleaning the inside of the water pipe to be cleaned while moving along the water pipe to be washed through the work tool to wash the inside of the water pipe to be cleaned;
A drainage step of opening the drain hole and gradually opening the first distillation valve so that water containing foreign substances washed by clean water flowing through the first distillation valve is discharged to the drain hole;
A cleaning device removing step of closing the drain port and the first water valve to fill clean water with the water pipe, and removing the cleaning device to the work tool; And
A water flow step of closing the work tool and opening the first water flow valve and the second water flow valve to pass water;
The washing device is a part of the high pressure water supplied from the ground high pressure pump is sprayed to clean the inside of the water pipe to be cleaned and the other part of the high pressure water is sprayed so that the spray unit moves along the water pipe to be cleaned Has a propulsion unit that provides driving force,
In the draining step, the washing apparatus is moved in the opposite direction of the movement direction in the washing step while injecting the high pressure water at a second pressure less than the first pressure to be injected in the washing step How to clean the water pipes. The method of claim 1,
The preparation step
A level measuring step of measuring a level of the water pipe to be cleaned;
A work tool securing step of securing a work tool in which one end is connected to the water pipe to be cleaned and the other end is exposed to the ground at a point where the level is relatively high among the water pipes to be cleaned;
And a drain hole securing step of securing the drain hole at an upstream point of the second dilution valve, based on a flow direction of water in the water pipe to be cleaned. The method of claim 2,
In the work tool securing step,
If the work tool is pre-installed, the pre-installed work tool is adopted,
If the work tool is not installed in advance, the water pipe cleaning method, characterized in that to install and secure a new work tool. The method of claim 2,
In the drain hole securing step,
If the drain port is provided in advance, the pre-installed drain port is adopted,
If the drain port is not provided in advance, the water pipe cleaning method characterized in that a new drain port is installed and secured. The method of claim 4, wherein
The drain port is further provided with a drain passage, the drain passage is exposed to the ground, the water pipe washing method, characterized in that for discharging the water containing the foreign matter discharged from the drain hole to the ground. The method of claim 1,
Between the water storage step and the washing step, the water supply pipe further comprises a first photographing step of photographing the internal state of the water pipe to be washed by supplying a photographing device to the inside of the water pipe to be washed through the work tool; How to wash. delete delete The method of claim 1,
Between the removing step and the water passing step,
And a second photographing step of supplying a photographing apparatus to the inside of the water pipe to be cleaned through the working tool to photograph the internal state of the water pipe to be cleaned. The method of claim 1,
Between the removing step and the water passing step,
And a water quality inspection step of supplying a test apparatus to the inside of the water pipe to be cleaned through the working tool to inspect the water quality of the water filled in the water pipe to be cleaned.

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