KR102215233B1 - Ground water pipe cleaning device - Google Patents

Abstract

The present invention relates to an apparatus for cleaning a water pipe for the ground, which can secure safety of a cleaning worker by inserting a pig on the ground when cleaning the water pipe and sharply reduce a budget used for cleaning the water pipe by using a specially shaped pipe (T-shaped pipe) used in various water pipes intactly. Also, the apparatus for cleaning a water pipe for the ground determines the insertion amount of pigs in accordance with an inner shape of the water pipe, a distance of a pipeline, a worn state of the pipeline, biofilm formation, and the amount of deposits to simply perform flange bonding and dismantling operation generated when the pigs are inserted and cleaned, thereby shortening water stop time with respect to water supply to remove civil complaints and inconvenience caused by stopping the water supply. In addition, the apparatus for cleaning a water pipe for the ground can expect an effect of reducing the budget required in maintenance of the water pipe.

Description

Ground water pipe cleaning device

The present invention relates to a water pipe washing apparatus for ground, and more particularly, to a water pipe washing apparatus for ground that can remove scale or foreign matter accumulated on the inner wall of a water pipe by inputting and recovering pigs from water pipes installed in the ground from the ground. About.

In general, water pollution occurs not only due to deterioration of the water supply network but also mineral deposits formed by the water (tap water) in the water pipe, as well as sediment caused by the inflow of biological membranes and other foreign substances. In order to resolve, periodic management of the water supply pipe network is necessary.

The pig washing method is used as one method to remove scale and various foreign substances that are fluidly accumulated in the water pipe (ro) installed in the underground, and the pig washing method is described in Registration Patent No. 10-0721174 (reference). It has been proposed in various ways.

The reference is directed to a pipe washing device having an integral water side, a pipe connection part connected in a horizontal direction to a pipe buried in the ground, and a middle part of the pipe connection part connected in an upper vertical direction, and an inclined guide part formed on one side. In the tubular washing apparatus consisting of a pig insertion unit, the tubular washing apparatus is formed in a rectangular shape in a vertical cross-section so that a water side can be installed on one side of the conduit connection, and the lower end is mounted with a radius of the same standard as the upper radius of the conduit connection A plurality of fastening holes are formed in a housing that is formed and is mounted in accordance with the through hole formed on the upper side of the conduit connection, and is mounted on the upper side of the housing, and is formed with a plurality of fastening holes in the rim of the outer shape formed in an approximately rectangular shape, so as to fasten the bolt with the flange of the water side. A waterside mounting device made of a flange; And a drain valve integrally coupled with the drain valve mounting device.

The existing water pipe pig washing method proposed in the above references requires a wide road excavation for washing while installing a pipe washing device in which pigs are injected into the water pipes buried underground, as well as washing with pigs in a cramped structure. There is a problem for the safety of workers due to the collapse of soil and flooding in the structure due to the discharged water generated during the washing operation.

In addition, the existing customs cleaning device and inspection hole buried underground according to the existing water pipe pig cleaning method has a high manufacturing cost and high maintenance cost.

In addition, it is very cumbersome to perform the process of repeating the dismantling and joining of the upper flange attached to the existing cleaning device when constructing the cleaning operation using such an existing cleaning device and inspection hole.

Reference 1: Korean Patent Registration No. 10-0721174 (announcement date: 2007.05.16)

The present invention is to solve these problems, the present invention is to prevent the collapse of the soil due to the water discharged from the water discharged when washing the water pipes buried underground and the burial accident due to water inundation and to ensure the safety of the worker. The purpose of this is to provide a ground water pipe cleaning device.

In addition, the present invention constitutes a water pipe washing device on the ground through the installation of a T-type joint pipe of a water supply pipe generally used in a water pipe buried underground, thereby promoting the convenience of washing work. Its purpose is to provide a cleaning device.

In particular, the present invention provides a ground water pipe washing device capable of washing water pipes of different diameters with a single device, as well as reducing the construction cost and maintenance cost required for water pipe washing by inducing the non-installation of the existing washing inspection tool. It has its purpose to provide.

In order to solve such a technical problem, the present invention;

A water pipe washing device for ground is installed on a T-type joint pipe provided with first and second connection parts at both ends of the body to connect the first and second water pipes, and a third connection part protruding upward at the center of the body. , The water pipe washing device is connected through an extension pipe having one end connected to a third connection part of the (T)-type joint pipe, and a connection socket connected to the other end of the extension pipe, and the pig is connected by the pressure of the water supplied from the first water pipe. It provides a water pipe washing apparatus for the ground, characterized in that consisting of a pig injector for inputting into the tee (T)-type joint pipe through the connection socket and the extension pipe.

At this time, the extension pipe is characterized in that it is made of a straight pipe connected vertically so as to be exposed to the ground at the third connection portion of the T-type joint pipe and an L-shaped pipe connected to the other end of the straight pipe.

In addition, the connection socket is characterized in that the inner diameter of the input end connected to the pig injector is large and the inner diameter of the output end connected to the other end of the extension pipe is a smaller diameter socket.

Here, the smaller diameter socket is characterized in that the taper is formed so that the inner diameter is constantly reduced from the input end to the output end so that the pig input through the pig inserter can move smoothly.

In addition, the pig inserter has one end connected to the connection socket, an input pipe for inserting a pig, a pressing member for pressing a pig provided in the input pipe in the direction of the connection socket, and opening and closing the other end of the input pipe It consists of an opening and closing; The first connection part of the T-type joint pipe is provided with a first water valve, the first water pipe is provided with a bypass outlet having an opening/closing valve, and the bypass discharge port is provided with a water inlet formed at a lower side of the input pipe. It is characterized in that a bypass pipe for supplying water is connected.

At this time, when the first water valve is closed and the opening/closing valve is opened, water flows from the first water pipe through the bypass outlet through the bypass pipe to the inlet pipe to pressurize the pig in the direction of the T-type joint pipe. It is characterized by moving.

In addition, the second connection portion of the tee (T) type joint pipe is characterized in that a second water side is further provided.

In addition, at one side of the inlet of the inlet pipe, one end is hingedly coupled by a hinge pin and the other end is provided with a connecting rod protruding to the center of the inlet pipe, and the other end of the connecting rod opens and closes the inlet of the inlet pipe. It characterized in that the opening and closing is provided to be rotatable.

In addition, the opening and closing opening has a shaft portion protruding in the center and rotatably supported on the connecting rod, and a lever for a handle is provided on one side of the shaft portion, and a flange is provided in a radial direction at the edge of the entry opening of the insertion pipe, and support of the opening and closing opening A plurality of guide grooves are formed in the front and rear directions on the flange rim so as to be possible, and a plurality of locking projections that pass through the guide grooves and support the front end of the flange rim are correspondingly formed on the rim of the opening and closing opening.

In addition, the opening and closing port is characterized in that further provided with a flange rubber ring in close contact with the flange of the input pipe.

According to the present invention, it is possible to ensure the safety of the cleaning worker because pigs are injected from the ground when washing water pipes, and by using a release pipe (T-shaped pipe) used in various water pipes, the budget used for water pipe washing can be significantly reduced. have.

In addition, according to the present invention, the amount of pig input is determined according to the internal shape of the water pipe, the distance of the pipe, the aging condition of the pipe, the formation of biofilm, and the amount of sediment. Because it is simple, it is possible to shorten the water supply time for water supply, and thus, it is possible to resolve complaints caused by interruption of water supply.

In addition, the present invention is a multi-caliber washing device, and when replacing a different-diameter socket, which is a connection socket, it is possible to wash water pipes of various calibers, so there is no need to permanently install a washing inspection tool and a washing device for each caliber in the basement, and it can be reused depending on the situation. As a result, there is also an effect of reducing the budget required for water pipe maintenance.

1 is a side view of a conventional tube washing apparatus.
2 is an overall connection configuration diagram of the ground water pipe washing apparatus according to the present invention.
3 is a view showing the structure of the pig injector of the ground water pipe washing apparatus according to the present invention.
Figure 4 is a view showing to explain the operation structure of the opening and closing of the pig injector of the ground water pipe washing apparatus according to the present invention.

Hereinafter, the characteristics of the above-ground water pipe washing apparatus according to the present invention may be understood by the embodiments described in detail with reference to the accompanying drawings.

Prior to this, terms or words used in the specification and claims should not be construed as being limited to their usual or dictionary meanings, and the inventors appropriately explain the concept of terms in order to explain their own invention in the best way. Based on the principle that it can be defined, it should be interpreted as a meaning and concept consistent with the technical idea of the present invention.

Accordingly, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all the technical ideas of the present invention, so at the time of application, these can be replaced. It should be understood that there may be various equivalents and variations.

Referring to Figures 2 to 4, the water pipe washing apparatus for the ground according to the present invention does not install a separate pipe washing device and inspection hole in the water pipe, and the tee (T) type joint pipe 10 of the water supply pipe that is generally used. It is a device that can reduce the cost for cleaning the water pipe (1) because it is possible to clean the water pipe (1) buried in the ground by inserting the pig (2) from the ground.

In this case, a tee (T)-type joint pipe 10 is installed in the water pipe 1, and the ground cleaning device according to the present invention is connected to the tee (T)-type joint pipe 10 so that the pig 2 is used for the ground. By entering and moving the water pipe 1 through the washing device 100, the scale and various foreign substances that have fluidly accumulated on the inner wall of the water pipe (ro) can be removed and washed.

Here, the water pipe 1 is a structure in which one or more pipes through which water is movable are continuously connected, and the first to third water pipes 1a, 1b, and 1c are mainly described below, but in this case, each of the first to third pipes The water pipes 1a, 1b, and 1c have a structure in which a plurality of pipes are continuously connected.

First, the tee (T)-type joint pipe 10 has first and second connection portions 12 and 13 extending and protruding at both ends of the body 11 so that the water pipe 1 is connected, and the center of the body 11 The third connection part 14 extends upward to the ground water pipe washing apparatus 100 is connected.

In such a structure, in a normal state, water flowing from the first water pipe 1a through the first connection part 12 of the T-type joint pipe 10 moves to the second water pipe 1b.

In addition, the present invention describes, as an example, washing the inside of the second water pipe 1b by using water flowing from the first water pipe 1a, but is not limited thereto.

The above-ground water pipe washing apparatus 100 according to the present invention includes an extension pipe 110 having one end connected to the third connection portion 14 of the tee (T)-type joint pipe 10, and the extension pipe 110 The pig injector 130 is connected through a connection socket 120 connected to the other end and inserts the pig 2 into the tee (T)-type joint pipe 10 through the connection socket 120 and the extension pipe 110 Consists of

Hereinafter, the configuration of each part of the present invention will be described in detail.

First, the extension pipe 110 is a straight pipe 112 connected vertically to the third connector 14 of the tee (T) type joint pipe 10, and an L-shaped pipe connected to the other end of the straight pipe 112 It consists of (114).

This structure extends to expose the straight pipe 112 to the ground by connecting one end of the straight pipe 112 to the third connection part 14 protruding upward of the tee (T) type joint pipe 10 buried in the ground. One end of the L-shaped pipe 114 is connected so as to protrude to the other end of the straight pipe 112 in a horizontal direction, so that the pig injector 130 can be smoothly connected to the extension pipe 110 through the connection socket 120. have.

Such an extension pipe 110 functions as a pipe for guiding the pig 2 inputted through the pig inserter 130 to the T-type joint pipe 10.

On the other hand, a first water pipe (1a) guiding water to the inside of the tee (T)-type joint pipe 10 is connected to the first connection part 12 of the tee (T)-type joint pipe 10, and the tee A second water pipe 1b through which discharged water moves is connected to the second connection part 13 of the (T) type joint pipe 10.

Here, the first connection part 12 of the tee (T)-type connection pipe 10 is further provided with a first water side 140, and the second connection part 13 of the tee (T)-type connection pipe 10 The second waterside 142 is further provided. This structure can control that the water of the first water pipe (1a) is supplied or cut off to the T-type joint pipe 10 according to the opening and closing state of the first water valve 140, and the second water pipe 142 It is possible to control that the water of the T-type joint pipe 10 is supplied or blocked to the second water pipe 1b according to the open/closed state of.

At this time, the water pipe to be cleaned using the pig 2 is the second water pipe 1b, and may be, for example, a section of several to tens of kilometers.

In addition, a pig injector 130 is connected to the other end of the extension pipe 110 through a connection socket 120. At this time, since the inner diameters of the extension pipe 110 and the pig feeder 120 are different from each other, the connection socket 120 uses a different diameter socket having a large inner diameter of the input end and a small inner diameter of the output end.

In particular, the connection socket 120 is a taper 122 is formed so that the inner diameter is constantly reduced from the input end to the output end so that the pig 2 inputted through the pig inserter 130 as a different diameter socket can be smoothly moved. Is a possible structure.

Therefore, if a different diameter socket is used, a water pipe having a diameter smaller than the inner diameter of the pig injector 130 can be used for washing.

That is, the present invention is a multi-caliber washing device capable of washing water pipes of various calibers, and if the diffraction socket part is replaced according to the caliber of the water pipe to be cleaned, and the pig 2 is fixed to the diffraction socket, a water pipe of a smaller diameter than the washing device Washing is possible.

Of course, when washing a water pipe having a diameter larger than the inner diameter of the pig injector 130, it is possible to clean a pipe of a different diameter by adjusting and replacing only the different diameter socket.

The ground water pipe washing apparatus 100 of the present invention can be smoothly cleaned even when the pipe diameter of the water pipe is 80 ~ 200mm, 250 ~ 400mm, 500 ~ 800mm, 900 ~ 1200mm, 1200 ~ 1600mm, and other 2400mm. .

On the other hand, the pig inserter 130 has one end connected to the connection socket 120 and connects the input pipe 132 for inserting the pig 2 and the pig 2 provided in the input pipe 132 It consists of a pressing member 134 for pressing in the direction of the socket 120 and an opening and closing opening 136 for opening and closing the other end input port 132a of the input pipe 132.

At this time, a support leg 133 is provided below the input pipe 132 so that the input pipe 132 can be stably positioned at a predetermined height from the ground.

In addition, the input pipe 132 is installed horizontally, and a pressing member 134 is provided therein. The pressing member 134 is provided with front and rear support ports 134b and 134c at the front and rear ends of the pressurizing rod 134a, and the rear end of the pig 2 is pressed by the front end support 134b and the pig 2 To transfer the connection socket 120 direction.

Here, the pig 2 is made of an elastic material such as urethane foam or sponge, and is promoted at high pressure to remove scale or foreign matter accumulated on the inner wall surface of the second water pipe 1b.

In addition, the opening 136 is to open and close the inlet 132a of the inlet pipe 132, and one end of the inlet pipe 132 is hinged to be rotatable by a hinge pin 137a The other end is provided with a connecting rod 137 protruding to the center of the inlet 132a of the inlet pipe 132, and the opening 136 is rotatably provided at the other end of the connecting rod 137.

At this time, the opening 136 has a shaft portion 136a protruding from the center and rotatably supported by the connecting rod 137, and a handle lever 138 is provided at one side of the shaft portion 136a.

In addition, a flange 135 is provided in the radial direction at the edge of the inlet port 132a of the inlet pipe 132, and a plurality of guide grooves 135a in the front and rear directions on the edge of the flange 135 to enable support of the opening and closing port 136 Is formed, and a plurality of locking projections (136b) that pass through the guide groove (135a) and are supported at the front end of the flange (135) are formed at the rim of the opening (136).

And, when the opening 136 is provided with a flange rubber ring 138 in close contact with the flange 135 to close the inlet 132a of the inlet pipe 132 through the opening 136, the inside of the inlet pipe 132 It blocks the water from leaking to the edge of the inlet (132a) of the inlet pipe (132).

According to this structure, when the handle lever 138 is grabbed and pulled or pushed in the front-rear direction, the connecting rod 137 can be rotated in the front-rear direction around the hinge pin 137a. Accordingly, the opening 136 is inserted into the input pipe 132 Push in the direction of the flange 135 of the handle in a state in which the lever 138 for the handle is finely rotated up and down so that the locking projection 136b of the opening and closing opening 136 can pass through the guide groove 135a of the flange 135 When the lever 138 is pushed, the locking projection (136b) of the opening (136) passes through the guide groove (135a) of the flange (135), and in that state, the lever (138) is rotated upward or downward. Since 136 surrounds the edge of the flange 135, the inlet port 132a of the inlet pipe 132 can be maintained in a closed state.

On the other hand, the first water pipe (1a) is provided with a bypass outlet (150) having an on-off valve (152), the bypass outlet (150) is a water inlet (139) formed at the lower side of the inlet pipe (132). A bypass pipe 154 for supplying water is connected. According to this structure, when the opening/closing valve 152 is opened, water is discharged from the first water pipe 1a through the bypass outlet 150 and flows into the inlet pipe 132 through the bypass pipe 154, and the pig ( Press 2) and move it in the direction of the tee (T)-type joint pipe (10).

At this time, the bypass discharge port 152 can selectively bypass the water of the first water pipe (1a) to the input pipe 132, and this bypass discharge port 152 is installed by a conventional secondary step drilling method. For example, after attaching a drilling branch saddle to the first water pipe (1a) and attaching the opening/closing valve 152, drilling the first water pipe (1a) using a tapping machine The cutter is moved backward and the opening/closing valve 152 is closed to block outflow of water and a bypass pipe 154 is connected.

In addition, another tee (T)-type connection pipe (10a) is provided at the other end of the second water pipe (1b), and an extension pipe (110a) and a connection socket (120a) are provided in the tee (T)-type connection pipe (10a). It is further connected and is provided with a pig discharge device (130a).

At this time, the tee (T) type joint pipe (10a) is a configuration for discharging the pig (2) washed with the second water pipe (1b) to the outside, and through the extension pipe (110a) and the connection socket (120a), a pig discharger ( 130a). At this time, the pig discharger 130a is provided with a drain hole 131a through which water is discharged, so that the pig 2 may move to the pig discharger 130a by the pressure of the water.

The tee (T)-type connection pipe (10a), the extension pipe (110a), the connection socket (120a) and the pig discharger (130a) are the aforementioned tee (T)-type connection pipe (10), the extension pipe (110), the connection socket ( 120) and the pig discharger 130 is preferably made of the same structure.

Of course, a third water pipe (1c) is connected to the T-type fitting pipe (10a), and a third water side (144) is further between the T-type fitting pipe (10a) and the third water pipe (1c). It is equipped.

Hereinafter, a driving example of the ground water pipe washing apparatus according to the present invention will be described with reference to FIGS. 1 to 3.

After inserting the pig (2) into the pig injector 130, pressurizing the pig (2) in the direction of the connection socket (120) with a pressing member (134), and then through the opening (136), the inlet (132a) of the pig injector (130) Is closed.

In such a state, when the first water valve 140 is closed and the on-off valve 152 provided in the bypass outlet 150 of the first water pipe 1a is opened, the first water pipe 1a through the bypass pipe 154 Water flows into the inlet pipe 132 and moves the pig 2 in the direction of the T-type joint pipe 10.

At this time, if the first waterside 140 is open and the third waterside 144 is closed, the pig 2 also passes through the second water pipe 1b to remove scale and various foreign substances that have fluidly accumulated on the inner wall surface. And washing, and the water moves to the pig discharger 130a.

In addition, while the pig 2 has moved to the second water pipe 1b, the opening/closing valve 152 provided in the bypass outlet 150 of the first water pipe 1a is closed and the first water valve 140 is opened. If so, the water pressure of the first water pipe 1a is provided directly to the pig 2 without bypassing, so that the pig 2 can be smoothly moved and washed. Meanwhile, when the second waterfront 142 is closed, the water flow of the entire water pipe 1 can be closed, so that it can be opened and closed immediately in case of various emergency situations.

Of course, when the second water valve 142 is closed, water discharge is blocked, so that the pig 2 may be safely separated from the pig discharge device 130a.

On the other hand, when cleaning the second water pipe (1b), which is a certain section of the water pipe (1), the pig (2) is not washed once, but the distance of the second water pipe (1b) and the aging condition of the pipe, biofilm formation, and sediment Depending on the amount, the amount of the pig (2) can be determined.

In this case, it is possible to open and close the inlet port 132a of the pig inserter 130 by simply operating the lever 138 for the handle, so that the input of a plurality of pigs 2 can be simplified, thereby reducing cleaning or construction time. (2) The discharge of water that may occur during input can also be minimized.

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the technical field to which the present invention pertains are capable of various modifications and variations without departing from the essential characteristics of the present invention. The scope of protection should be interpreted by the claims below, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

1: water pipe 1a: first water pipe
1b: second water pipe 1c: third water pipe
2: Pig 10: T-type fitting
100: ground cleaning device 110: extension tube
112: straight pipe 114: L-shaped pipe
120: connection socket 130: pig insert
132: input pipe 134: pressure member
135: flange 136: opening
137: connecting rod 138: lever for handle
139: water inlet 140: first divisor
142: the second divisor 144: the third divisor
150: bypass outlet 152: on-off valve
154: bypass

Claims (10)

A water pipe washing device for ground is installed on a T-type joint pipe provided with first and second connection parts at both ends of the body to connect the first and second water pipes, and a third connection part protruding upward at the center of the body. ,
The water pipe washing apparatus is connected through an extension pipe having one end connected to a third connection part of the (T) type joint pipe, and a connection socket connected to the other end of the extension pipe, and thereby controls the pig by the pressure of water supplied from the first water pipe. It is composed of a pig inserter that is inserted into the tee (T)-type joint tube through the connection socket and the extension tube,
The pig inserter has one end connected to the connection socket, an input pipe for inserting a pig, a pressing member for pressing a pig provided in the input pipe in the direction of the connection socket, and an opening and closing opening for opening and closing the other end of the input pipe. Consists of
At one side of the inlet port of the inlet pipe, one end is hingedly coupled to be rotatable by a hinge pin, and the other end is provided with a connecting rod protruding to the center of the inlet port,
An opening and closing opening for opening and closing the entrance of the input pipe is rotatably provided at the other end of the connecting rod,
The opening and closing has a shaft portion protruding from the center and rotatably supported by the connecting rod 137, and a handle lever is provided on one side of the shaft portion,
A flange is provided in the radial direction at the edge of the inlet port of the inlet pipe, and a plurality of guide grooves are formed in the front and rear directions on the flange edge to enable support of the opening and closing port,
A water pipe washing apparatus for ground, characterized in that a plurality of locking projections that pass through the guide groove and support the front end of the flange edge are correspondingly formed on the edge of the opening and closing opening.
The method of claim 1,
The extension pipe is a water pipe washing apparatus for the ground, characterized in that consisting of a straight pipe vertically connected so as to be exposed to the ground at the third connection portion of the T-type joint pipe and an L-shaped pipe connected to the other end of the straight pipe.
The method of claim 1,
The connection socket is a water pipe washing apparatus for ground, characterized in that the inner diameter of the input end connected to the pig inlet is large and the inner diameter of the output end connected to the other end of the extension pipe is small.
The method of claim 3,
The water pipe washing apparatus for the ground, characterized in that the diffraction socket has a taper formed so that the inner diameter is constantly reduced from the input end to the output end so that the pig inputted through the pig injector can move smoothly.
The method of claim 1,
The first connection part of the T-type joint pipe is provided with a first water valve, the first water pipe is provided with a bypass outlet having an opening/closing valve, and the bypass discharge port is a water inlet formed at a lower side of the input pipe. Ground water pipe washing apparatus, characterized in that the bypass pipe for supplying water is connected.
The method of claim 5,
When the first water valve is closed and the opening/closing valve is opened, water flows from the first water pipe to the inlet pipe through the bypass outlet and pressurizes the pig to move in the direction of the T-type joint pipe. Ground water pipe washing apparatus, characterized in that.
The method of claim 5,
Ground water pipe washing apparatus, characterized in that a second water valve is further provided at the second connection portion of the tee (T)-type joint pipe.
delete delete The method of claim 1,
Ground water pipe washing apparatus, characterized in that further provided with a flange rubber ring in close contact with the flange of the input pipe at the opening.

Images