JP6548037B2 - Pipe cleaning equipment - Google Patents

Description

  The present invention relates to a cleaning apparatus for cleaning deposits such as scales attached to the inner circumferential surface of a pipe, and more particularly to a cleaning apparatus capable of cleaning a pipe without stopping the supply of fluid.

  With respect to cleaning of piping, for example, hydraulic cleaning using a jet nozzle is known. In such hydraulic cleaning, a jet nozzle is inserted into a pipe to be cleaned, and water or cleaning liquid is injected at high pressure from the jet nozzle through a hose or the like to remove scales and the like attached to the inside of the pipe. By using the jet nozzle, it is possible to clean without cutting the piping.

JP, 2006-207266, A JP, 2009-285521, A

  However, when the piping is cleaned, it is necessary to stop the fluid supply to the piping and then perform the cleaning operation. For example, when cleaning piping connected to a self-propelled well, etc., it is necessary to fill the well in order to stop the fluid, which takes a lot of time and cost. In addition, there is also a problem that the work of filling the well is very dangerous if the pressure of the self-injection is high or the temperature of the self-injection fluid is high.

  An object of the present invention is to provide a pipe cleaning apparatus capable of safely performing cleaning using a cleaning nozzle such as a jet nozzle without stopping supply of fluid into the piping.

The present invention is a cleaning apparatus for piping comprising: a mounting portion which can be watertightly attached to piping; a nozzle insertion portion into which a cleaning nozzle is inserted; and an opening / closing mechanism for opening / closing the nozzle insertion portion And an opening / closing valve having an opening into which the cleaning nozzle can be inserted and capable of adjusting the opening area of the opening in multiple steps or steplessly, and a seal member provided in the opening , It is characterized in that the opening can be brought into close contact with the cleaning nozzle by an on-off valve .

  In the present invention, the seal member may be flexible and impervious to liquid.

  In the present invention, an operation unit may be further provided to perform the opening and closing operation of the on-off valve.

  According to the cleaning device according to the present invention, the nozzle insertion portion is provided with the on-off valve capable of adjusting the opening and closing area, so the opening area of the on-off valve can be adjusted to be in close contact with the diameter of the inserted nozzle. Therefore, since the nozzle can be inserted while blocking the flow of the fluid in the piping out of the piping, it is possible to work safely without stopping the supply of the fluid when cleaning the piping using the nozzle. In addition, the time and cost for stopping the fluid supplied to the piping can be reduced.

Explanatory drawing which shows the use condition of a washing | cleaning apparatus. (A) Explanatory drawing which shows the open state of an on-off valve. (B) is an explanatory view showing a closed state of the on-off valve.

  The cleaning apparatus 1 for piping in one embodiment of the present invention is attached to the piping 4 via the connector 3 attached to the well 2. For example, a hot spring is self-injecting from the well 2 and flows in the pipe 4 through the connector 3 at the time of normal use other than the time of washing.

  The connector 3 includes an upstream connection portion 31 connected to the spout 21 of the well 2, a downstream connection portion 32 connected to an end 41 of the pipe 4 communicating with a bath (not shown), and an attachment portion of the cleaning device 1. And 11, a cleaning device connection unit 33 connected thereto. The upstream connection portion 31, the downstream connection portion 32, and the cleaning device connection portion 33 are desirably made of metal in consideration of pressure resistance. Further, it is desirable that the jet 21 and the upstream connection portion 31, the end 41 of the pipe 4 and the downstream connection portion 32, and the mounting portion 11 of the cleaning device 1 and the cleaning device connection portion 33 be watertightly connected. Can be connected to each other by bolts and nuts, and packing or the like can be interposed.

  The cleaning apparatus 1 includes a mounting portion 11 that can be watertightly attached to the pipe 4 via the connector 3, a nozzle insertion portion 12 for inserting a cleaning nozzle, and an opening / closing mechanism 13 for opening and closing the nozzle insertion portion 12. The nozzle insertion portion 12 is provided to face the mounting portion 11, and the opening / closing mechanism 13 is provided between the nozzle insertion portion 12 and the mounting portion 11.

  Referring to FIGS. 2A and 2B, the opening / closing mechanism 13 has an opening 14 and an opening / closing valve 15 capable of adjusting the opening area of the opening 14 in multiple stages or steplessly; An operation unit 16 for performing an opening and closing operation of 15 and a seal member 17 provided in the opening 14 are provided.

  One opening 14 of the on-off valve 15 is provided substantially at the center of the opening 15. The opening area of the opening 14 can be manually adjusted using the operation unit 16. In this embodiment, a lever is used as the operation unit 16 and the opening area of the opening 14 can be changed by rotating the lever. The operation unit 16 can be operated steplessly, and can adjust the opening area of the opening 14 steplessly. However, the opening area may be adjusted stepwise by operating the operation unit 16 stepwise. In this embodiment, the functions of stepless adjustment and step adjustment are provided. In addition, in the on-off valve 15 which can be adjusted steplessly, in order to maintain the closed state, it is preferable to provide a lock mechanism of the operation part.

  The opening 14 is provided with a seal member 17. As the sealing member 17, a flexible and liquid-impervious material can be used, and for example, a flexible synthetic resin or the like is used. Such a seal member 17 is disposed inside the opening 14.

  In the cleaning apparatus 1 as described above, as shown in FIG. 2 (B), the on-off valve 15 is held at the closed position except when the pipe 4 is cleaned, that is, when the pipe is used normally. In this state, the opening 14 is closed watertight by the sealing member 17 and the opening 14 is substantially closed. Therefore, fluid can be kept from leaking from the opening 14. The opening 14 can be opened by turning the lever of the operation unit 16 counterclockwise from this closed state.

  As shown in FIG. 2A, by operating the operation unit 16, the opening 14 is opened. In the illustrated state, the opening 14 is the largest opening. In this embodiment, a cleaning nozzle (not shown) is inserted into the opening 14 of the on-off valve 15 when the pipe 4 is cleaned. In the cleaning nozzle, a hose or the like is connected to the nozzle portion, and high-pressure water or cleaning liquid is supplied through the hose or the like. By spraying the water and the cleaning liquid from the nozzle portion of the cleaning nozzle, the scale and the like in the pipe can be removed.

  At the time of cleaning of the pipe 4, the opening 14 is slightly opened to such an extent that the tip of the cleaning nozzle can be inserted by the operation of the operation unit 16. That is, the state of FIG. 2B is slightly opened, and the opening of the opening 14 is closed by the tip of the cleaning nozzle. Since the opening 14 is provided with the sealing member 17, the sealing member 17 maintains the space between the opening 14 and the cleaning nozzle in a watertight manner, and the fluid can be prevented from flowing out therebetween.

  Further, the cleaning nozzle is inserted in the back, and the nozzle portion is guided into the inside of the pipe 4. At this time, the operation unit 16 is operated in accordance with the diameter of the cleaning nozzle so that the opening 14 is in close contact with the cleaning nozzle. The nozzle portion of the cleaning nozzle is not constant in diameter and is partially enlarged or reduced. However, according to this embodiment, since the opening area of the opening 14 can be adjusted and can be changed steplessly, it can be made to correspond to the shape of the nozzle portion, and the opening 14 is closely attached to the cleaning nozzle. Can. In addition, since the seal member 17 is provided inside the opening 14, it is possible to prevent the fluid from leaking from the opening 14 in any state. Further, when the cleaning nozzle is further inserted into the back of the pipe 4, a hose or the like is located at the opening 14. In this case as well, the operation area 16 is operated to adjust the opening area of the opening 14. , Can prevent fluid leakage.

  According to this embodiment, even when the cleaning nozzle is inserted into the pipe 4, the fluid does not leak out of the pipe, so that the inside of the pipe 4 can be cleaned without stopping the supply of the fluid to the pipe 4. It is. For example, in the case of piping cleaning used for geothermal power generation, stopping the supply of fluid is not preferable because it causes a reduction in the amount of power generation, but cleaning without stopping the supply of fluid as in this embodiment Can contribute to the stable supply of power generation. In addition, since the fluid does not leak during the cleaning operation, the operator can perform the cleaning operation safely. Furthermore, even when the fluid is supplied from a well or the like that is self-injecting, there is no need to fill the well or the like, and the time and cost required for this can be reduced.

In this embodiment, although the operation unit 16 is manually operated, it may be operated automatically, or the operation unit may be operated if the opening 14 can follow the change in the shape of the nozzle or the like. It can be omitted.
Further, for the sake of safety, for example, an on-off valve can be further provided between the mounting portion 11 and the cleaning device connection portion 33. An on-off valve can be provided between the jet nozzle 21 of the well 2 and the upstream connection portion 31, or between the end 41 of the pipe 4 and the downstream connection portion 32, or the like. The connector 3 can also be provided with a three-way valve.

  In addition to the materials described in the present specification, various known materials generally used in the field of this kind can be used without limitation for each component constituting the cleaning apparatus 1.

DESCRIPTION OF SYMBOLS 1 Cleaning apparatus 3 Connection tool 4 Piping 11 Mounting part 12 Nozzle insertion part 13 Opening / closing mechanism 14 Opening part 15 Opening / closing valve 16 Operation part 17 Seal part

Claims (3)

An apparatus for cleaning a pipe, comprising: a mounting portion that can be watertightly attached to the pipe; a nozzle insertion portion into which a cleaning nozzle is inserted; and an opening / closing mechanism that opens and closes the nozzle insertion portion.
The opening and closing mechanism has an opening into which the cleaning nozzle can be inserted, and an opening area of the opening can be adjusted in multiple steps or in a stepless manner, and a seal member provided in the opening It is possible to closely contact the said opening part with the said washing | cleaning nozzle by the said on-off valve, The piping washing | cleaning apparatus characterized by the above-mentioned .   The apparatus for cleaning a pipe according to claim 1, wherein the seal member is flexible and impervious to liquid.   The piping cleaning apparatus according to claim 1 or 2, further comprising an operation unit that performs an opening and closing operation of the on-off valve.

Images