KR20170085264A - Apparatus and method for repairing conduits - Google Patents

Apparatus and method for repairing conduits Download PDF

Info

Publication number
KR20170085264A
KR20170085264A KR1020160004672A KR20160004672A KR20170085264A KR 20170085264 A KR20170085264 A KR 20170085264A KR 1020160004672 A KR1020160004672 A KR 1020160004672A KR 20160004672 A KR20160004672 A KR 20160004672A KR 20170085264 A KR20170085264 A KR 20170085264A
Authority
KR
South Korea
Prior art keywords
bladder tube
liner
fluid
tube
bladder
Prior art date
Application number
KR1020160004672A
Other languages
Korean (ko)
Inventor
강성재
김철환
Original Assignee
강성재
김철환
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 강성재, 김철환 filed Critical 강성재
Priority to KR1020160004672A priority Critical patent/KR20170085264A/en
Publication of KR20170085264A publication Critical patent/KR20170085264A/en

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/26—Lining or sheathing of internal surfaces
    • B29C63/34—Lining or sheathing of internal surfaces using tubular layers or sheathings
    • B29C63/36—Lining or sheathing of internal surfaces using tubular layers or sheathings being turned inside out
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
    • F16L55/1651—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being everted
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/18—Appliances for use in repairing pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The present invention is characterized in that after the liner is pulled into the repair section of the pipeline, the bladder tube is reversely transferred to the inside of the liner and the liner is hardened to the inner surface of the pipeline by the heat of the bladder tube, And a piping repairing method and pipeline repairing method capable of remarkably improving maintenance quality.
The pipeline repair apparatus according to the present invention comprises a liner retractor for retracting the liner into the pipeline and a bladder tube conveyor for conveying a bladder tube into the interior of the liner retracted into the pipeline, The tube may have a heating element.

Description

[0001] APPARATUS AND METHOD FOR REPAIRING CONDUITS [0002]

More particularly, the present invention relates to a pipeline repair apparatus and pipeline repair method, in which a liner is pulled into a repair section of a pipeline, and then the bladder tube is reversely transferred to the interior of the liner, To a piping repairing apparatus and piping repairing method capable of remarkably improving the maintenance quality thereof.

In general, buried underground pipes such as water pipes, sewer pipes, gas pipes, communication pipes, and the like are damaged due to structural deterioration, subsidence of underground ground, earth pressure fluctuation on the ground, cracks and breakage due to external load, The wastewater of the wastewater is permeated underground through the cracks and broken parts to pollute the soil and erosion of the ground, so that the maintenance of the underground channel is frequently required.

In the traction method, a tube-shaped liner is pulled into an aged pipe, and then pneumatic or steam is applied to the inner surface of the liner to expand the liner in the outer diameter direction, The inversion method is a method in which the liner is brought into close contact with the inner wall surface of the channel by reversely expanding the liner by pneumatic pressure after pulling the tube-shaped liner into the channel and then applying heat to the inner wall of the channel Is a method of applying heat to the liner to heat it.

In the conventional repair method, the liner is inflated by pneumatic pressure, and then the high-temperature steam is supplied from the boiler into the liner to thermally cure the liner, and a cured-in-place-pipe (CIPP) .

However, in the conventional repair method, the waste heat of the boiler can not be properly recovered as the exhaust gas of the high temperature (about 240 ° C) is directly discharged to the atmosphere in the boiler, thereby causing a great loss of energy, .

Also, in the conventional repair method, condensed water is generated due to the temperature difference as the hot and humid steam meets the low-temperature air in the underground channel, and a portion of the liner in which the liner is not completely hardened in the channel due to the condensed water There is a drawback in that the quality of the overall repair work is deteriorated.

In order to overcome the disadvantages of the prior art as described above, the present invention has been developed and carried out in such a way that after the liner is pulled into the repair section of the pipeline, the bladder tube is transferred to the inside of the liner by reversing, It is an object of the present invention to provide a pipeline repairing apparatus and a repairing method which can remarkably improve the maintenance quality because the liner can be cured very firmly on the inner surface of the pipeline.

According to an aspect of the present invention,

A liner retractor for retracting the liner into the interior of the duct;

And a bladder tube conveyor for conveying a bladder tube into the interior of the liner trained into the interior of the conduit,

The bladder tube is characterized in that a heating element is embedded in the bladder tube.

The bladder tube conveyor comprises:

A reel for winding or unwinding the bladder tube; And

And a fluid supply unit for supplying fluid into the bladder tube unwound from the reel,

The reel and the fluid supply unit are separated from each other, and as the fluid is supplied into the bladder tube by the fluid supply unit, the bladder tube is expanded while being inverted and transferred to the inside of the liner.

Wherein the fluid supply portion includes a housing having an inner space through which the bladder tube is conveyed,

And the housing has a fluid inlet through which fluid is injected.

A bladder tube inlet is provided at one side of the housing and a bladder tube outlet is provided at the other side of the housing.

An inverting boss is formed in the bladder tube outlet, and an open end of the bladder tube is coupled to the inverting boss through a clamp.

A sealing partition is provided in the inner space of the housing, an opening through which the bladder tube passes is formed in the middle of the sealing partition, and a pair of guide rollers for guiding the delivery of the bladder tube are installed in the opening do.

And the bladder tube is interposed between the pair of guide rollers.

And the pair of guide rollers are configured to receive an elastic force in a direction opposite to each other by an elastic member.

And a purifying mechanism for purifying harmful components in the fluid heated in the bladder tube as the heating element of the bladder tube generates heat.

And a recirculation line for recirculating the fluid heated in the bladder tube to the fluid supply unit.

According to another aspect of the present invention,

A liner towing step of towing the liner into the repair section of the pipeline;

A bladder tube transferring step of transferring a bladder tube having a heating element inside a liner pulled into a repair section of the pipe; And

And a liner curing step of heating the heating element of the bladder tube to adhere the liner to the inner surface of the channel to cure the liner.

The bladder tube transfer step is characterized in that the bladder tube is inverted by feeding fluid into the bladder tube to expand the bladder tube.

Further comprising the step of recirculating the fluid heated during the heating of the bladder tube to the fluid supply through the recirculation line after the liner curing step.

According to the present invention, after the liner is pulled into the repair section of the pipeline, the bladder tube is reversely transferred to the inside of the liner, and the liner can be hardened very firmly on the inner surface of the pipeline by heat generation of the bladder tube Therefore, the maintenance quality can be greatly improved.

1 is a view illustrating a process of towing a liner to a repair section of a pipeline by a liner retractor of a pipeline repair apparatus according to an embodiment of the present invention.
FIG. 2 is a view illustrating a process of being inserted into a bladder tube liner by a bladder tube feeder of a pipe maintenance apparatus according to an embodiment of the present invention and being transported.
Figure 3 is a detail view of the bladder tube feeder of Figure 2;
FIG. 4 is a view showing the guide part of FIG. 2 in detail.
5 is a view showing a state in which a purifying mechanism for purifying harmful components or odors of a heating fluid discharged from a bladder tube is installed in a pipeline repairing apparatus according to an embodiment of the present invention.
6 is a view showing a state in which a recirculation line for recirculating the heating fluid purified by the purifying mechanism of the conduit maintenance apparatus according to the embodiment of the present invention to the fluid supply unit is installed.
FIG. 7 is a view showing a state in which a purifier for purifying harmful components or odors of a heating fluid discharged from a bladder tube is installed in a pipeline repairing apparatus according to another embodiment of the present invention.
8 is a view showing a state in which a recirculation line for recirculating fluid from a bladder tube of a pipeline maintenance apparatus according to another embodiment of the present invention to a fluid supply unit is installed.
9 is a process diagram illustrating a pipeline maintenance method according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. For the sake of convenience, the size, line thickness, and the like of the components shown in the drawings referenced in the description of the present invention may be exaggerated somewhat. The terms used in the description of the present invention are defined in consideration of the functions of the present invention, and thus may be changed depending on the user, the intention of the operator, customs, and the like. Therefore, the definition of this term should be based on the contents of this specification as a whole.

Referring to FIG. 1, a pipeline repair apparatus according to various embodiments of the present invention includes a liner retractor 10 for retracting a liner 11 into the interior of a channel 1.

The liner retractor 10 has a towing winch 15 which tows the towing rope 13 connected to one end of the liner 11 and which pulls the liner 11 by winding the towing rope 13 It can be pulled quickly and stably into the repair section of the pipeline (1).

On the opposite side of the liner retractor 10, a liner 11 is provided in a staggered stacked loading section 18, which can be a loading container provided in the vehicle.

The loading section 18 may be constituted by a refrigeration vehicle having a cooling structure capable of keeping the liner 11 at a constant temperature by cooling the liner 11. The liner 11 is cooled appropriately and the resin impregnated in the liner 11 and the curing agent And the like can be maintained in a stable state.

An order packing 19 is provided at both ends of the repair section of the pipeline 1 to prevent the inflow of the fluid into the repair section of the pipeline 1.

Referring to FIG. 2, the present invention can include a bladder tube conveyor 20 for conveying a bladder tube 21 into a liner 11 pulled into a conduit 1.

The bladder tube feeder 20 is configured to insert the bladder tube 21 into the liner 11 pulled into the repair section of the line 1 by the liner retractor 10, Or the like.

According to one embodiment, the bladder tube feeder 20 includes a reel 23 for winding or unwinding the bladder tube 21 in an inverted (inverted) state, And a fluid supply part 25 for supplying a fluid such as compressed air or the like to the inside of the bladder tube 21 which is unwound from the fluid chamber 23.

The reel 23 is wound on the bladder tube 21 and the bladder tube 21 can be wined on the reel 23 in a state where the inside and the outside of the bladder tube 21 have been inverted (inverted) in advance. The reel 23 is connected to the drive motor 22 through a transmission mechanism 24 so that the reel 23 can be rotated in both directions by driving the drive motor 22. [ Particularly, when the reel 23 rotates in the unwinding (unwinding) direction, the bladder tube 21 can be unwound (unwound) from the reel 23 and can be reversely transported into the interior of the liner 11, The bladder tube 21 can be wound on the reel 23 and collected on the reel 23 side when the winding roller 23 rotates in the winding direction.

The transmission mechanism 24 includes a drive pulley 24a provided in the drive motor 22, a driven pulley 24b provided on the rotary shaft of the reel 23, and a drive pulley 24b provided on the drive pulley 24a and the driven pulley 24b. A belt 24c, and the like. The driving force of the driving motor 22 is transmitted to the reel 23 through the transmission mechanism 24 so that the reel 23 can be rotated in the winding direction or the unwinding direction.

The fluid supply unit 25 supplies the fluid to the interior of the bladder tube 21 which is unwound from the reel 23, so that the bladder tube 21 in which the inside and the outside are inverted (pre-inverted) So that the bladder tube 21 can be stably reversely fed to the inside of the liner 11. As shown in Fig.

On the other hand, after the liner 11 is brought into close contact with the inner surface of the repair section of the pipeline 1 and cured, the reel 23 is rotated in the winding direction while the supply of the fluid from the fluid supply section 25 is stopped, 21 can be collected very easily.

As described above, according to the present invention, since the reel 23 is configured to rotate by the drive motor 22 and the transmission mechanism 24, the bladder tube 21 Can be appropriately controlled so that the bladder tube 21 is not only stably conveyed to the inside of the pulled liner 11 but also is extremely stable even in a straight pipe line 1 as well as in a curved pipe line And can be transported stably.

The reel 23 may be separated from the fluid supply portion 25 and the reel 23 and the fluid supply portion 25 may be spaced apart from each other as shown in FIG. The length of the bladder tube 21 wound on the reel 23 can be greatly extended by the structure in which the reel 23 is separated from the fluid supply part 25, There is an advantage that it is possible to effectively cope with the extension of the construction of the maintenance channel 1.

The fluid supply portion 25 may include a housing 26 having an internal space 26a through which the bladder tube 21 is transported.

The housing 26 has a fluid supply port 26b to which fluid is supplied and a fluid supply line 31 for supplying a fluid such as compressed air to the fluid supply port 26a. The fluid supply line 31 may extend in the compressor 32 and the compressor 32 may be configured to be driven by the generator 33.

A bladder tube inlet 26c is provided on one side of the housing 26 and a bladder tube (not shown) is unwound from the reel 23 when the bladder tube 21 is to be transferred into the liner 11 21 can be introduced into the bladder tube introduction port 26c.

A bladder tube outlet 26d is provided on the other side of the housing 26 and the bladder tube 21 can be discharged through the bladder tube outlet 26d.

An open end 21a of the bladder tube 21 is connected to the inverting boss 27 through a clamp 27a in the bladder tube outlet 26d. .

With this arrangement, when the fluid is supplied into the bladder tube 21 through the fluid supply part 25, the bladder tube 21 can expand along the outer diameter direction and the longitudinal direction, and by this swelling force, The bladder tube 21 can be reversed to return to the original state and the bladder tube 21 can be transported reversely along the longitudinal direction of the rider 11, Therefore, the bladder tube 21 can be efficiently reversed to the inside of the liner 11.

A sealing partition 28 is provided in the inner space 26a of the housing 26 and an opening through which the bladder tube 21 passes is formed halfway through the sealing partition 28. In the opening of the sealing partition 28, A pair of guide rollers 28a and 28b for guiding the conveyance of the bladder tube 21 may be provided.

The bladder tube 21 is conveyed between the pair of guide rollers 28a and 28b with the bladder tube 21 interposed therebetween and the bladder tube 21 is guided by the guide rollers 28a and 28b to the inside of the housing 26 It is possible to stably transfer the fluid to the space 26a and to prevent the fluid supplied to the inner space 26a of the housing 26 from leaking to the outside through the fluid supply port 26a.

In particular, each of the pair of guide rollers 28a and 28b may be configured to receive an elastic force in a direction facing each other by the elastic members 28c and 28d. As the elastic members 28c and 28d apply an elastic force to the pair of guide rollers 28a and 28b when the bladder tube 21 is conveyed between the guide rollers 28a and 28b, The external leakage of the battery can be reliably prevented.

Each of the guide rollers 28a and 28b is coated with an elastic material such as rubber or the like, or the guide rollers 28a and 28b are made of an elastic material, thereby further enhancing the sealability of the fluid.

The reel 23 and the fluid supply part 25 of the bladder tube feeder 20 are mounted on the upper surface of the base 29 and the conveying wheel 29a is provided on the bottom surface of the base 29, The movement of the tube conveyor 20 can be smoothly performed.

As described above, according to the present invention, since the bladder tube conveyor 20 conveys the bladder tube 21 to the inside of the liner 11 by expansion and inversion, foreign substances or water in the repair section of the pipeline 1 It can be discharged to the arrival manhole 3 or the like by the half power of the bladder tube 21 and the maintenance function for the inner surface of the maintenance section of the pipeline 1 can be implemented, .

In addition, the present invention can wind the bladder tube 21 on the reel 23 by rotating the reel 23 in the winding direction after the liner 11 is tightly adhered to the inner surface of the channel 1, It is possible to collect the bladder tube 21 very effectively, which is advantageous in that the recyclability of the bladder tube 21 can be greatly improved.

On the other hand, a guide portion 30 for guiding the conveyance of the bladder tube 21 is provided in the start manhole 2 of the conduit 1, and the guide portion 30 is formed in a cylindrical shape And has a guide body 31. The guide body 31 can be supported on the upper side of the manhole 2 through the support frame 32.

The bladder tube 21 is guided into the start manhole 2 by the guide portion 30 when the bladder tube 21 is transported into the repair section of the manhole 2 by the bladder tube feeder 20 And can be stably guided.

The inner diameter D2 of the guide body 31 may be smaller than the inner diameter D1 of the start manhole 2. The bladder tube 21 is inserted through the guide portion 30 into the channel 1 It can be more stably guided into the inside.

The bladder tube 21 may include a heating element such as a carbon heating element and the bladder tube 21 may generate heat as electric energy is applied to the heating element of the bladder tube 21 from the power supply part 35 .

The heating element of the bladder tube 21 is heated by the expansion and inversion of the bladder tube 21 after the bladder tube 21 is completely inserted into the liner 11 as shown in Fig. (11) can be brought into close contact with the inner surface of the channel (1) and cured. At this time, it is preferable that the heating temperature of the bladder tube 21 is maintained to such an extent that the liner 11 can be adhered to the inner surface of the channel 1 and hardened.

When the liner 11 is brought into close contact with the inner surface of the duct 1 by the heat generated by the bladder tube 21, the fluid in the bladder tube 21 can be heated, 3). ≪ / RTI > When the heating fluid leaks, some of the resin components in the liner 11 chemically react to release harmful components, odors, and the like.

The present invention may further comprise a purifying mechanism (40) for purifying the above-mentioned harmful components or odors.

5 to 8, the purifying mechanism 40 may be provided on the side of the arrival manhole 3 of the conduit 1 to purify harmful components or odors of the heating fluid.

According to one embodiment, the purifying mechanism 40 includes a discharge tube 41 communicably connected to the bladder tube 21 as shown in Figures 5 and 6, a purifier unit 42 connected to the discharge tube 41, . ≪ / RTI >

One end of the discharge pipe 41 is hermetically connected to the closed end 21b of the bladder tube 21 and the other end of the discharge pipe 41 is hermetically connected to the purifier unit 42, May be communicatively coupled with the bladder tube 21. [ Accordingly, a part of the fluid heated by the heat of the bladder tube 21 can be discharged through the discharge pipe 41.

The purifying unit 42 may include a housing 44 through which the heating fluid discharged through the discharge pipe 41 passes and the housing 44 is provided with a catalyst 45 for purifying harmful components or odors in the heating fluid Lt; / RTI > The catalyst 45 is made of platinum or the like and can effectively remove harmful components or odors.

The other end of the discharge pipe 41 is sealingly connected to the inlet 44a of the housing 44 and the catalyst 45 may be installed at the discharge port 44b of the housing 44. A heater 46 for further improving the cleaning efficiency can be incorporated in the housing 44 by the catalyst 45 and a blowing fan 47 capable of blowing the exhaust gas toward the heater 46 Can be installed.

6, a recirculation line 51 for recycling the heating fluid purified by the purification unit 42 to the fluid supply unit 25 may be installed.

One end of the recirculation line 51 is hermetically connected to the discharge port 44b of the purification unit 42 and the other end of the recirculation line 51 is hermetically connected to the fluid supply line 31 side.

With this configuration, as the heating element of the bladder tube 21 generates heat, the fluid in the bladder tube 21 can be heated, and the heated fluid flows to the recycle line 51 via the purification unit 42 And can be recycled to the fluid supply part 25. As the heated fluid is recirculated to the fluid supply unit 25 by the recirculation line 51, the supply amount of the electric energy required for the heat generation of the bladder tube 21 is relatively increased after the first heat generation of the bladder tube 21 It can consume less.

According to another embodiment, the purifying mechanism 40 includes a manhole cover 48 covering the upper end of the arrival manhole 3 as shown in Figs. 7 and 8, a purification unit 42 connected to the manhole cover 48, . ≪ / RTI >

The manhole cover 48 is configured to hermetically cover the upper end of the arrival manhole 3 and the manhole cover 48 and the purification unit 42 can be connected to communicate through the corrugated pipe 49.

One end of the corrugated tube 49 is sealingly connected to one side of the manhole cover 48 and the purification unit 42 can be sealingly connected to the other end of the corrugated tube 49. Thus, the heating fluid leaking from the bladder tube 21 can flow into the purifier unit 40 through the corrugated tube 49.

The purifying unit 42 may include a housing 44 through which the heating fluid leaking from the bladder tube 21 passes and the housing 44 may include a catalyst 45 for purifying harmful components, ). The catalyst 45 is made of platinum or the like and can effectively remove harmful components in the heating fluid.

A corrugated pipe 43 is sealingly connected to the inlet 44a of the housing 44 and a catalyst 45 may be installed at the outlet 44b of the housing 44. A heater 46 for further improving the cleaning efficiency can be incorporated in the housing 44 by the catalyst 45 and a blowing fan 47 capable of blowing the exhaust gas toward the heater 46 Can be installed.

8, a recirculation line 51 for recycling the heating fluid from the bladder tube 21 to the fluid supply part 25 may be provided.

One end of the recirculation line 51 may be directly sealed to the closed end 21b of the bladder tube 21 and the other end of the recirculation line 51 may be sealingly connected to the fluid supply line 31. [

With this configuration, the fluid in the bladder tube 21 can be heated as the heating element of the bladder tube 21 generates heat, and the heated fluid is recirculated through the recirculation line 51 to the fluid supply part 25 . As the heated fluid is recirculated to the fluid supply unit 25 by the recirculation line 51, the supply amount of the electric energy required for the heat generation of the bladder tube 21 is relatively increased after the first heat generation of the bladder tube 21 It can consume less.

9 is a view showing a pipeline maintenance method according to various embodiments of the present invention.

9, a pipeline maintenance method according to the present invention includes a liner pulling step S1 for pulling a liner 11 into a repair section of a pipeline 1, a liner pulling step S1 for pulling the liner 11 into a repair section of the pipeline 1, A bladder tube transferring step S2 for transferring the bladder tube 21 into the inside of the pipeline 1 and a bladder tube 21 having a heating element are heated to adhere the liner 11 to the inner surface of the pipeline 1 And a curing liner curing step (S3).

First, by providing the order packing 5 at both ends of the repair section of the pipeline 1, the inflow of the fluid into the repair section of the pipeline 1 can be blocked.

Thereafter, the liner towing step S1 is carried out and this liner towing step S1 is carried out by a step of towing the liner 11 into the repair section of the pipeline 1 by the liner retractor 10, to be. The towing rope 13 is connected to one end of the liner 11 and the liner 11 is quickly and stably pulled into the repair section of the pipeline 1 as the tow rope 13 is wound by the towing winch 15 .

After the liner 11 is pulled into the repair section of the pipeline 1, the bladder tube transferring step S2 is carried out. The bladder tube transfer step S2 is a step of transferring the bladder tube 21 into the liner 11 by the bladder tube transfer device 20, as shown in Fig.

The bladder tube conveyor 20 can be inserted and delivered into the interior of the liner 11 pulled into the repair section of the line 1 by the liner retractor 10.

Particularly, when the bladder tube 21 is unwound from the reel 23, the fluid is supplied to the inside of the bladder tube 21 by the fluid supply part 25 to expand the bladder tube 21 Can be inverted.

After the bladder tube 21 is transferred into the liner 11, the liner curing step S3 is performed.

In the liner curing step S3, a heating element of the bladder tube 21 is heated by applying a current to the heating element of the bladder tube 21, and the liner 11 is heated by the heating of the bladder tube 21 1 and cured to harden the liner 11.

The method may further include recirculating the heated fluid to the fluid supply unit 25 through the recirculation line 51 during heating of the bladder tube 21. After the first heat generation of the bladder tube 21 by the recirculation of the heated fluid, the power supplied by the power supply unit 35 at the time of heat generation of the bladder tube 21 can be relatively reduced.

When the liner 11 is tightly adhered to the inner surface of the channel 1 and the hardening process is completed, the bladder tube 21 is wound on the reel 23 by rotating the reel 23 in the winding direction as described above And a bladder tube collecting step S4 for collecting the bladder tube 21. By facilitating the collection of the bladder tube 21 by the rotation of the reel 23 in the winding direction, the recyclability of the bladder tube 21 can be greatly improved.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

10: liner retractor 11: liner
13: Towing rope 15: Towing winch
20: Blender tube feeder 21: Blender tube
23: Reel 25: Fluid supply part
40: purifying device 51: recirculation line

Claims (5)

A liner retractor for retracting the liner into the interior of the duct;
And a bladder tube conveyor for conveying a bladder tube into the interior of the liner trained into the interior of the conduit,
Wherein the bladder tube includes a heating element. The method according to claim 1,
The bladder tube conveyor comprises:
A reel for winding or unwinding the bladder tube; And
And a fluid supply unit for supplying fluid into the inside of the bladder tube which is unwound from the reel,
Wherein the reel and the fluid supply unit are separated from each other and the fluid is supplied into the bladder tube by the fluid supply unit so that the bladder tube is inverted while being transferred to the inside of the liner. . The method of claim 2,
Wherein the fluid supply portion includes a housing having an inner space through which the bladder tube wound or unrolled to the reel is fed,
Wherein the housing has a fluid injection port through which fluid is injected. A liner towing step of towing the liner into the repair section of the pipeline;
A bladder tube transferring step of transferring a bladder tube having a heating element inside a liner pulled into a repair section of the pipe; And
And a liner hardening step of heating the heating element of the bladder tube to adhere the liner to the inner surface of the channel to harden the liner. The method of claim 4,
Wherein the bladder tube transfer step comprises feeding the fluid into the bladder tube to expand the bladder tube to transfer the bladder tube by inverting.

KR1020160004672A 2016-01-14 2016-01-14 Apparatus and method for repairing conduits KR20170085264A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160004672A KR20170085264A (en) 2016-01-14 2016-01-14 Apparatus and method for repairing conduits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160004672A KR20170085264A (en) 2016-01-14 2016-01-14 Apparatus and method for repairing conduits

Publications (1)

Publication Number Publication Date
KR20170085264A true KR20170085264A (en) 2017-07-24

Family

ID=59429089

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020160004672A KR20170085264A (en) 2016-01-14 2016-01-14 Apparatus and method for repairing conduits

Country Status (1)

Country Link
KR (1) KR20170085264A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102176898B1 (en) * 2019-07-11 2020-11-10 김민영 Apparatus for Flowing Steam And Renovation Method Using the Same
KR102498966B1 (en) * 2022-08-17 2023-02-10 변동주 Tube insertion method to protect the pipe line shape and prevent the loss of grouting fluid during grouting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102176898B1 (en) * 2019-07-11 2020-11-10 김민영 Apparatus for Flowing Steam And Renovation Method Using the Same
KR102498966B1 (en) * 2022-08-17 2023-02-10 변동주 Tube insertion method to protect the pipe line shape and prevent the loss of grouting fluid during grouting

Similar Documents

Publication Publication Date Title
CA2591919C (en) Method, apparatus and system for lining conduits
KR101291611B1 (en) Trenchless pipe repairing method using rotating twin rollers and silicon pad for sealing air stream
MX2007013359A (en) Air inversion and steam cure of cured in place liners apparatus and method.
KR100949956B1 (en) A hardening quickly repairing method for aged water pipes using air-tube
KR101926227B1 (en) Liner inversion device, liner installation apparatus having the same, and liner installation method using the same
KR101433182B1 (en) Apparatus for reversing tube of pipe line repair and method for repairing pipe line using the same
US20130220465A1 (en) Apparatus and method for repairing pipes
KR101483242B1 (en) Large sewage tube traction device and method nohugwan
KR20170085264A (en) Apparatus and method for repairing conduits
US20100295198A1 (en) Apparatus and method for lining a pipe
KR101455611B1 (en) Non-digging Sewerage Mending Apparatus and its manufacturing method
US11162628B2 (en) Method and device for the reconstruction of a pipe section of a pipeline system
KR20040100004A (en) Reversing apparatus of tube used in repairing water supply pipe, drainpipe and industrial pipe
KR19980068106A (en) Apparatus and method for attaching tube liner of sewage pipe
KR100545483B1 (en) Reversing apparatus of tube used in repairing water supply pipe, drainpipe and industrial pipe
KR101190799B1 (en) Inversion apparatus for lining material and inversion method using the same
JP5993606B2 (en) Lining heating device and underground pipe repair method
KR101267482B1 (en) The Inserting Method of Wet-tube
KR20000006990A (en) Method and apparatus for inverting impregnated tube in pipe
JP3784901B2 (en) Pipe line rehabilitation equipment such as drain pipes
KR20140000806A (en) Apparatus for reversing tube of pipe line repair and method for repairing pipe line using the same
KR101164586B1 (en) Apparatus for reversing tube of pipe line repair
WO2002090676A1 (en) An apparatus and method for repairing pipelines without digging
KR101492207B1 (en) A pipe lining method using spiral strip member
KR102510699B1 (en) Non-Explosive Pipe System for Water and Sewage

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E90F Notification of reason for final refusal
E601 Decision to refuse application
E801 Decision on dismissal of amendment