KR20090035248A - Method for dehumidifing and lining of the inside of a pipe and apparatus thereof - Google Patents

Abstract

A method for dehumidifying and lining inside of a pipe and an apparatus therefor are provided to prevent environmental contamination without generation of volatile organic compounds etc and to increase life cycle of the pipe. An apparatus for dehumidifying inside of a pipe comprises the followings: a first main body(110) installed on an outer side of the pipe; an air drying unit(120) spraying air to dry an inside surface of the pipe and installed on the first main body; and a dehumidifying heater(130) emitting heat to remove moisture in the inside surface of the pipe. The air dry unit includes an air distribution pipe(121) of a circular ring form and a plurality of air nozzles(122) spraying the air to the inner side of the pipe.

Description

TECHNICAL FOR DEHUMIDIFING AND LINING OF THE INSIDE OF A PIPE AND APPARATUS THEREOF

The present invention relates to a drying and lining method inside the tube and a device used therein, which is convenient to maintain and repair the inside of the tube, and completely blocks and prevents corrosion inside the tube.

In general, water pipes, water pipes, sewage pipes, etc., are used to transport steel pipes, cast iron pipes, concrete pipes, etc., and if such pipes are used continuously, corrosion such as rust occurs due to the material properties of the water being transported. .

When such a pipe is corroded, conventionally, the pipe is subjected to excavation to expose the corroded pipe, and then the rust existing on the exposed outer surface of the pipe is removed, and heat is attached to finish the maintenance and repair of the pipe.

Considering the fact that the conventional water pipe, water pipe, sewer pipe, etc., substantial corrosion occurs inside the pipe, it does not effectively prevent the corrosion of the pipe, thereby increasing the service life of the pipe. Had a problem that could not help.

In addition, the conventional method of maintaining and repairing a pipe has a problem in that a large amount of personnel and time required for work, such as excavation, are required to expose the pipe to the outside, thereby increasing the cost of maintaining and repairing the pipe.

The present invention is convenient for maintenance and repair of the pipe, and completely prevents and prevents corrosion of the inside of the pipe that substantially causes rust and the like.

Drying and lining method inside the tube according to the first embodiment of the present invention is a method for drying and lining the inside of the tube, the step of removing condensation and moisture existing in the inside of the tube in advance, and the inner surface of the dehumidified tube The first application step of applying a CIP primer or a primer for coating to the primary, and CIP, epoxy, polyurea resin, hybrid polymer secondary to the CIP primer or the primer for coating on the inner surface of the tube And a second application step of applying one.

The dehumidifying apparatus inside the tube according to the second embodiment of the present invention is a device for dehumidifying the inside of the tube, the first main body being installed to move along the inner side of the tube and the first main body, Air drying means for injecting air for drying, and a dehumidification heater is installed in the first body, and dissipates heat to remove condensation and moisture present on the inner surface of the tube.

A lining apparatus inside a pipe according to a third embodiment of the present invention is a device for lining the inside of a pipe, the second main body, moving means provided on the second main body so that the second main body moves along the inside of the pipe, It is provided in the second main body, the spraying means for applying the CIP primer or the primer for the coating on the inner surface of the tube by the injection pressure, and secondly applying any one of CIP, epoxy, polyurea resin, hybrid polymer And a control unit for controlling the moving unit and the injection unit.

The present invention is the drying and lining method inside the tube and the device used therein is convenient to install because the maintenance and repair of the tube is carried out by a non-excavation method, and the inside of the tube that may cause corrosion or rust such as rust. Forming a coating layer having excellent physical properties such as corrosion resistance, durability, corrosion resistance, chemical resistance, acid resistance, cold resistance, etc. by sequentially applying any one of CIP primer or paint primer and CIP, epoxy, polyurea resin, and hybrid polymer. This prevents corrosion inside the pipe completely and increases the life cycle of the pipe, and prevents environmental pollution by generating volatile organic compounds (VOC) during construction and prevents condensation on the surface where the coating material is to be applied. And C on the inner side of the tube by removing moisture before application of CIP primer or primer for coating. IP, epoxy, polyurea resin, or any one of the hybrid polymer is firmly fixed to have the effect of improving the quality of construction.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

1 is a perspective view showing a dehumidifying device inside the tube according to the present invention. As shown, the dehumidifying apparatus 100 inside the pipe according to the present invention is a device used in the drying and lining method of the inside of the pipe according to the present invention to be described later, such as a water pipe, a water pipe, a sewage pipe ( 2; an apparatus for drying and dehumidifying a part to be lined in advance to prevent corrosion inside, and air drying means (1) installed on the first body 110 and the first body 110, respectively ( 120) and a dehumidifying heater 130.

The first body 110 is installed to move along the inner side of the tube, for this purpose, the front wheel 111 and the rear wheel 112 are provided at the bottom.

The front wheel 111 and the rear wheel 112 may have a disk shape, or may have a cone shape in which vertices are removed in consideration of the curvature of the inner surface of the tube.

On the other hand, the first main body 110 may move along the inside of the tube by a force pulled from the front or pushed from the back, it is not limited to this may be moved along the inside of the tube by a separate drive means, by the drive means In order to move along the inner side of the pipe, for example, the rotational force of the driving motor 113 is connected to the sprocket 115 provided on the shaft of the front wheel 111 and / or the shaft of the rear wheel 112 via the reducer 114. The transmission using 116 causes the front wheel 111 or / and the rear wheel 112 to rotate.

In addition, the first main body 110 is formed along the outer circumferential surface of the fixed rib 117 is fixed one or two or more dehumidification heaters 130, these fixed ribs 117 are provided in a plurality at intervals along the longitudinal direction. It is formed to be.

The air drying unit 120 injects air to dry the inner surface of the pipe, and may have various structures for this purpose. In this embodiment, the air distribution pipe 121 is installed at one side of the first body 110. And a plurality of air nozzles 122 installed in the air distribution pipe 121.

The air distribution pipe 121 is installed at the front end of the first main body 110, and the air having a predetermined pressure, for example, a pressure that separates moisture from the inner surface of the pipe from an external air supply unit (not shown). It is supplied and has a circular ring shape to face along the inner side of the tube.

The air nozzle 122 is installed at intervals on the air distribution pipe 121, and receives the air supplied from the air distribution pipe 121 to inject high-pressure air toward the inner surface of the pipe.

The dehumidifying heater 130 dissipates heat to remove condensation and moisture existing on the inner surface of the tube, the heater bracket 131 of which both ends are fixed to the fixing rib 117 of the first body 110, and the heater Heating member 132 is installed on the bracket 131.

The heater bracket 131 is a plurality of screw fastening holes 118 formed at intervals on the fixed ribs 117 by selectively fastening a portion of the screw fastening holes 118 with a bolt or screw a pair of fixed ribs ( Both ends are fixed to the 117 and installed on the fixed rib 117 to enable a position change. Therefore, the heater bracket 131 can be freely changed the number or position of the dehumidifying heater 130 installed on the first body 110 by being able to change the position on the fixed rib 117, formed of stainless steel material It may also serve to reflect the heat of the heating member 132 is installed to the inner surface of the tube.

The heating member 132 is a heating wire or a heating block that is installed on the heater bracket 131 and radiates heat, and may be installed directly or indirectly by the heat resistant member on the heater bracket 131.

2 and 3 are a side view and a block diagram showing a lining device inside the tube according to the present invention. As shown, the lining device 200 inside the pipe according to the present invention is a corrosion of the inside of the pipe (1), such as water pipes, heavy water pipes, sewer pipes made of steel pipes, gray cast iron pipes, table tile pipes, as well as concrete pipes, etc. It is a device used in the drying and lining method of the inside of the tube to be described later, the second body 210, the moving means 220 provided in the second body 210, and the second body 210 (Ceramic In-Organic Plastic) primer or paint primer and CIP (Ceramic In-Organic Plastic), epoxy (epoxy), polyurea resin, And a spraying unit 230 for sequentially applying any one of the hybrid polymers, and a control unit 240 for controlling the moving unit 220 and the spraying unit 230, respectively.

The second body 210 is preferably located inside the tube 1 of 40 cm or more, and through the composite tube 211, the supply (not shown) of the external CIP primer or primer for paint and CIP, epoxy, polyurea resin, hybrid The CIP primer or paint primer, CIP, epoxy, polyurea resin, or hybrid polymer are each supplied by pneumatically from a supply (not shown) of the polymer, or CIP primer or Paint primer, and any one of the CIP, epoxy, polyurea resin, hybrid polymer can be loaded in each of the separate storage space of the storage tank 214 provided on one side, separated from the tube (1) on the upper surface The cover 215 is provided to block collision of foreign matter or debris, and moves along the inside of the tube 1 by the moving unit 220.

The composite pipe 211 is a CIP primer or a primer for paint, and any one of CIP, epoxy, polyurea resin, and hybrid polymer is supplied to the second main body 210 from an external supply to the second main body 210. A material supply line for feeding, a pressure supply line for supplying a CIP primer or a primer for paint, a pneumatic or hydraulic pressure for spraying any one of CIP, epoxy, polyurea resin, and hybrid polymer, and a moving means 220 It consists of a bundle such as a power supply line for supplying power for driving.

The second main body 210 has a heating means 212 for injecting a CIP (Ceramic In-Organic Plastic) primer or a primer for coating, or for heating any one of CIP, epoxy, polyurea resin, and hybrid polymer. To be prepared.

Heating means 212 is a CIP (Ceramic In-Organic Plastic) primer or paint primer and CIP, epoxy, polyurea resin, hybrid supplied from the outside to the second body 210 by pneumatic through the composite pipe 211 Ceramic In-Organic Plastic (CIP) primer or paint primer and CIP, epoxy, poly to provide heat for heating to inject one of the polymers or filled in the storage tank 214 inside the second body 210 The urea resin, a hybrid polymer, provides heat for heating to inject either.

Particularly, in the case of the polyurea resin, the heating temperature is preferably 63 ° C. to 76 ° C., preferably 71 ° C. to 76 ° C., and the injection nozzle 233 to which the polyurea resin heated by the heating means 212 will be described later. The transfer line to move to preferably maintain the temperature 71 ° C ~ 76 ° C by the heat of the heater or heat is transferred separately from the heating means 212.

The heating means 212 may be driven by electricity supplied from a power supply unit outside or inside the second body 210, or a heater driven by combustion of a fuel such as gasoline or diesel may be used.

The moving unit 220 is provided below the second main body 210, and in this embodiment, the chain or belt 222 or the like is moved to the wheel 221 provided before and after, and the driving unit 223 such as a motor; Infinite track is used to drive by transmitting the rotational force (shown in Figure 3) to the chain or belt 222 through the wheel 221, wheels, skids, rollers, etc. may be used in place of these tracks, these are high heat It is preferably made of a material that withstands.

The injection means 230 is provided at one side of the second main body 210, and applied to the injection pressure supplied from the outside through the composite pipe 211 or the injection pressure supplied from the injection pressure supply part provided in the second main body 210. CIP primer or paint primer is applied first to the inner surface of the dehumidified tube 1, and secondly, CIP, epoxy, polyurea resin, or hybrid polymer is applied.

The injection means 230 is a CIP primer or a primer for paint, CIP, epoxy, polyurea resin, a means for injecting a CIP primer or a primer for coating to apply any one of the hybrid polymer, CIP, epoxy, polyurea, respectively It can be made of a means for injecting any one of the resin, the hybrid polymer, each made of a single as in the present embodiment by CIP primer or paint primer, and by selective supply of any one of CIP, epoxy, polyurea resin, hybrid polymer A CIP primer or a primer for paint and any one of CIP, epoxy, polyurea resin, and hybrid polymer can be selectively sprayed.

The injection means 230 is a rotation bar 232 horizontally installed on the second body 210, a plurality of injection nozzles 233 provided on the rotation bar 232, the rotation to rotate the rotation bar 232 Driver 234 (shown in FIG. 3).

Rotating bar 232 may be composed of a plurality of pipes slidingly coupled to each other to allow the adjustment of the length, the pneumatic or hydraulic pressure supplied from the outside of the second body 210 or the pressure generated inside the second body 210 or Injection of pneumatic or hydraulic pressure for injecting CIP primer or paint primer, CIP, epoxy, polyurea resin, or hybrid polymer by the operation of the injection opening / closing valve 231 (shown in FIG. 3) to open / close the hydraulic pressure. Pressure was applied, and the rotary nozzle was applied to the second body 210 so that the spray nozzle 233 uniformly applied any one of the CIP primer or the primer for the paint to the tube 1, and the CIP, epoxy, polyurea resin, and hybrid polymer. It is rotatably installed while maintaining airtightness by the joint 232a and is rotated by the rotation driving unit 234 such as a motor.

Injection nozzle 233 may have a double pipe structure to adjust the length of the protruding portion, is provided in a plurality of to form a plurality of rows along the longitudinal direction on the outer peripheral surface of the rotary bar 232 provided through the rotary bar 232 CIP primer or paint primer and any one of CIP, epoxy, polyurea resin, and hybrid polymer are sprayed by the spraying pressure.

CIP (Ceramic In-Organic Plastic) primer (primer) or paint primer (primer) sprayed by the injection means 230 is applied to the inner wall of the tube (1) to form a primary coating layer to the inner wall of the tube (1) It contributes to the increase in corrosion resistance, and further increases the adhesion between the inner wall of the tube 1 and any one of CIP, epoxy, polyurea resin and hybrid polymer.

Ceramic In-Organic Plastic (CIP) primer or paint primer, and any one of CIP, epoxy, polyurea resin, and hybrid polymer are preheated by the heating means 212, which is very fast after application, as well as tensile and tearing. It has excellent physical properties such as impact resistance, abrasion resistance, and durability, and has excellent physical properties such as adhesion, anticorrosion, chemical resistance, acid resistance, and cold resistance, and does not generate volatile organic sulfide (VOC) with a solvent-free type of 100% solids. It can be installed without being affected by the temperature, humidity, and cold of the surrounding environment, and it does not flow even on the inclined surface and the vertical wall to improve the construction quality.

In particular, the CIP thermal spray coating is a thermal spray coating method using instantaneous heat, and can be heat resistant at temperatures up to 15 to -196, and can be coated regardless of the tube size. According to the function of absorbing shrinkage, there is no partial peeling or total peeling, coating film does not crack or burst, it is strong against adhesiveness and external impact, and it is excellent in semi-permanent corrosion prevention, functionality and formability by natural and chemical, and it is non-toxic to the environment. No influence

On the other hand, the injection means 230 is made of a single, as in this embodiment, CIP (Ceramic In-Organic Plastic) primer (primer) or primer for the paint (primer), CIP, epoxy, polyurea resin, any one of a hybrid polymer In case of selective spraying, CIP (Ceramic In-Organic Plastic) primer or paint primer, CIP (Ceramic In-Organic Plastic), epoxy, polyurea resin, hybrid ( hybrid) An opening and closing means such as a valve for selectively supplying any one of polymers to the injection means 230 is provided.

In addition, the injection means 230 is a CIP primer or a primer for paint, and CIP primer or a primer primer for spraying any one of CIP, epoxy, polyurea resin, hybrid polymer independently and CIP, epoxy, polyurea When the injection means made of any one of resin and hybrid polymer, each of these injection means may have a configuration of the injection means 230 as described above, in this case, the heating means 212 is installed in each of these injection means Therefore, it is used to preheat CIP (Ceramic In-Organic Plastic) primer or paint primer which is supplied to CIP (Ceramic In-Organic Plastic) primer or paint primer injection means, and among CIP, epoxy, polyurea resin, hybrid polymer Any one of CIP, epoxy, polyurea resin, and hybrid polymer supplied to any one of the injection means It is used for pre-heating.

The control unit 240 (shown in FIG. 3) controls the moving unit 220 and the spraying unit 230, respectively, and is provided in the second main body 210 to control the operation panel provided outside the second main body 210. Each of the moving means 220 and the injection means 230 may be controlled to proceed with a given work, separated from the second body 210 so as to be remotely controlled at a place spaced from the second body 210 such as on the ground. In this case, the operator operates the control unit 240 through an operation box that is provided separately, the control means of the control unit 240 through the signal cable (not shown) moving means 220 and the injection means 230 Will be delivered. Unlike the above, the control unit 240 is installed inside the second main body 210 and is moved by the operation means 220 and the injection means 230 according to the operation of the operation box located at a remote or near distance through a signal cable (not shown). ) Can be controlled individually.

The control unit 240 controls the moving unit 220 and the injection unit 230, respectively, the moving driving unit 223 of the moving unit 220, the injection opening and closing valve 231 and the rotary driving unit (230) of the injection unit 230 ( 234, the heating means 212, and the CIP primer or paint primer, and the selective supply and injection of any one of the CIP, epoxy, polyurea resin, hybrid polymer, respectively, automatically or according to the set program Apply the inside of the pipe (1) manually according to the operation of.

On the other hand, the posture sensor to measure the thickness of the coating layer of the posture of the second body 210 and the CIP primer or paint primer applied to the inner surface of the tube (1), CIP, epoxy, polyurea resin, hybrid polymer 241 and the thickness measurement sensor 242 may be further included.

The posture detection sensor 241 is installed on the second main body 210 to detect the posture of the second main body 210 and outputs it as a detection signal to the control unit 240.

The thickness measuring sensor 242 measures the thickness of the coating layer applied to the inner surface of the tube 1 and outputs it to the control unit 240 as a detection signal.

The controller 240 controls the posture of the second main body 210 and the thickness of the coating layer applied to the inner surface of the tube 1 respectively detected by the posture detection sensor 241 and the thickness measurement sensor 242 at the operator's operation position. The display unit 260 is displayed through a display unit 260 such as a monitor.

Figure 4 is a flow chart illustrating a drying and lining method inside the tube according to the present invention. As shown, the drying and lining method of the inside of the tube according to the present invention is a step (S10) of removing condensation and moisture inside the tube in advance, and the first to apply a CIP primer or a primer for coating on the inner surface of the dehumidified tube The coating step (S20), and the second coating step (S30) for applying any one of the CIP, epoxy, polyurea resin, hybrid polymer to the site where the CIP primer or paint primer is applied on the inner surface of the tube, Steps will be described in detail along with the operation and action of the dehumidifying device 100 and the lining device 200 inside the tube according to the present invention.

The step (S10) of removing condensation and moisture inside the pipe in advance may be performed along the inside of the pipe (1) for dehumidification of the inside of the pipe (1) in the case of the pipe (1) located in the ground or inaccessible to the inside. The inside of the tube 1 is dehumidified by heat emitted from the first main body 110 of the dehumidifying apparatus 100 inside the moving tube, preferably by the heat of the dehumidifying heater 130 provided in the first main body 110. . At this time, by supplying a high-pressure air to the air distribution pipe 121 of the air drying means 120 provided in front of the first main body 110, the air nozzle 122 is installed at intervals on the air distribution pipe 121 ) To primarily remove moisture and the like inside the tube (1).

That is, the first body 110 is positioned inside the pipe 1 that is corroded or corroded, and then the first body 110 is pushed or pulled or the first body 110 is driven by the driving motor 113. The air drying means of the first body 110 moves condensation and moisture present in the portion to be coated with the CIP primer or the primer for coating on the inner side of the tube 1 while moving the inner side of the tube 1. It is generated from the high-pressure air and dehumidification heater 130 injected from the 120 to remove in advance by heat so as to firmly adhere to the inner surface of the tube 1 when applying the CIP primer or primer for coating.

The first application step (S20) of applying a CIP primer or a primer for paint is sprayed on the inner surface from which condensation and moisture are removed from the pipe (1) by spraying a preheated CIP primer or primer for paint by the heating means (212). However, it is preferable to apply a CIP primer or a primer for coating by the injection means 230 provided on the second body 210 of the lining apparatus 200 inside the tube moving along the inside of the tube 1. To this end, the CIP primer or paint primer provided in the outside or the CIP primer or paint primer filled in an isolated storage space of the storage tank 214 inside the second main body 210 is opened to the opening and closing valve 231. It is applied by spraying the inner surface of the dehumidified tube 1 through the injection nozzle 233 provided in the second main body 210 by pneumatic or hydraulic pressure supplied by.

CIP primer or paint primer applied to the inner surface of the tube (1) forms a primary coating layer to contribute to the increase in corrosion resistance of the inner wall of the tube (1), and more importantly, the inner wall of the tube (1) and secondary By increasing the adhesion to any one of the CIP, epoxy, polyurea resin, hybrid polymer sprayed to the CIP or increase the adhesion and durability of the coating layer formed by the epoxy or polyurea resin or hybrid polymer.

The second coating step (S30) of applying any one of the CIP, epoxy, polyurea resin, hybrid polymers is CIP secondary to the site where the CIP primer or paint primer is applied first on the inner side of the tube (1) Or epoxy or polyurea resins or hybrid polymers. At this time, it is preferable to apply by spraying any one of the CIP, epoxy, polyurea resin, hybrid polymer from the injection means 230 provided in the second main body 210 moving inside the tube (1). To this end, the CIP or epoxy filled in the isolated storage space of the CIP or epoxy or polyurea resin or the hybrid polymer supply part or the storage tank 214 inside the second body 210 to be spaced apart from the second body 210. The inner surface of the pipe 1 through the injection nozzle 233 which is provided on the second main body 210 by pneumatic or hydraulic pressure supplied by opening of the injection opening / closing valve 231. At the coating layer of the CIP primer or primer for coating paint is applied by spraying any one of CIP, epoxy, polyurea resin, hybrid polymer.

CIP or epoxy or polyurea resin or hybrid polymer is preheated by the heating means 212. In particular, CIP thermal spray coating is a thermal spray coating method using instantaneous heat, the heat resistance temperature can be up to 15 to -196, It can be coated regardless of tube size, and there is no restriction on the thickness of the coating, there is no partial peeling or total peeling according to the function of absorbing heat shrinkage, it does not crack or burst coating, and it is strong against adhesiveness and external impact. Anti-permanent corrosion prevention, functionality and moldability by nature and chemicals are excellent, and it is non-toxic and does not affect the environment.

In the case of polyurea resin, for example, polyurea FRP (fiberglass reinforced plastics) is a two-component resin, and is preferably formed by mixing a prepolymer and an amine-based mixture obtained by synthesizing isocyanate and polyol in a 1: 1 volume ratio. The preheating temperature by means 212 is preferably sprayed at a pressure of at least 1500 psi from 71-76 ° C. heating capacity 79 ° C. injection nozzle 233.

Any of CIP, epoxy, polyurea resin and hybrid polymer sprayed on the coated site of the CIP primer or primer for coating by the second application step (S30) for applying any one of CIP, epoxy, polyurea resin and hybrid polymer One is very fast drying after application, and has excellent physical properties such as tensile, tear, impact, abrasion resistance, and durability, and has excellent physical properties such as adhesion, corrosion resistance, chemical resistance, acid resistance, cold resistance, etc. Excellent corrosion protection, and by increasing the effective period of use of the tube (1) as much as possible to reduce the cost of repair and replacement of the tube (1).

In addition, CIP or epoxy or polyurea resin or hybrid polymer is a 100% solid-free solvent-free type that can be installed without generating volatile organic sulfide (VOC), etc., and being almost unaffected by ambient temperature, humidity, and cold air. And, even in the inclined surface or vertical wall surface as in the inner surface of the pipe (1) does not flow down to improve the quality of construction.

The first and second coating steps S20 and S30 may sequentially apply one of CIP primers or paint primers, and CIP, epoxy, polyurea resins, and hybrid polymers using a single spraying means 230. In this case, it is possible to apply them by the operation of the valve means provided to selectively supply any one of the CIP primer or primer for coating, and CIP, epoxy, polyurea resin, hybrid polymer to the injection means (230) Do it.

In addition, the first and the second coating step (S20, S30) are each independently of the second body 210 to apply one of the CIP primer or paint primer, and CIP, epoxy, polyurea resin, hybrid polymer, respectively It is possible to provide two injection means 230 for receiving the injection material to the, wherein, through the control of each of the injection means 230, CIP primer or primer for paint, CIP, epoxy, polyurea resin, hybrid Any one of the polymers may be sequentially applied to the inner surface of the tube 1.

The first and the second coating step (S20, S30) by rotating the injection nozzle 233 by the drive of the rotary drive unit 234, CIP primer or primer for paint, CIP, epoxy, polyurea resin, hybrid polymer One can be uniformly applied to the inner side of the tube (1).

On the other hand, by processing the detection signal output from the posture detection sensor 241 and the thickness measurement sensor 242 to display the value detected or measured through the display unit 260 by the operator during the coating operation the second body 210 The posture and the thickness of the film formed by the application of the coating material can be seen, thereby allowing the coating operation in the tube 1 to proceed stably and efficiently.

On the other hand, the drying and lining method and the apparatus used therein according to the present invention can be used irrespective of the diameter of the tube (1), preferably applied to a tube having a diameter of the tube more than 40cm more effective.

What has been described above is only an embodiment for carrying out the drying and lining method and the apparatus used therein according to the present invention, the present invention is not limited to the above-described embodiment, which is claimed in the following claims As will be apparent to those skilled in the art to which the present invention pertains without departing from the gist of the present invention, the technical spirit of the present invention may be changed to the extent that various modifications can be made.

1 is a perspective view showing a dehumidifying device inside the tube according to the present invention,

Figure 2 is a side view showing a lining device inside the tube according to the present invention,

Figure 3 is a block diagram showing a lining device inside the tube according to the present invention,

Figure 4 is a flow chart illustrating a drying and lining method inside the tube according to the present invention.

<Description of the code | symbol about the principal part of drawing>

100: dehumidifier inside the tube 110: first body

111: front wheel 112: rear wheel

113: drive motor 114: reducer

115: sprocket 116: chain belt

117: fixed rib 118: screw tightening hole

120: air drying means 121: air distribution pipe

122: air nozzle 130: dehumidification heater

131: heater bracket 132: heating member

200: lining device inside the tube 210: second body

211: composite tube 212: heating means

214: storage tank 215: cover

220: vehicle 221: wheel

222: belt 223: moving drive part

230: injection means 231: injection opening and closing valve

232: rotary bar 232a: rotary joint

233: injection nozzle 234: rotary drive unit

240: control unit 241: posture detection sensor

242: thickness measurement sensor 260: display unit

Claims (10)

As a method of drying and lining the inside of the tube, Removing condensation and moisture present inside the pipe in advance; A first application step of first applying a CIP (Ceramic In-Organic Plastic) primer or a primer for a paint on the inner side of the dehumidified tube; A second coating step of secondly applying any one of CIP (Ceramic In-Organic Plastic), epoxy, polyurea resin, and hybrid polymer to a portion where the CIP primer or the coating primer is applied on the inner side of the tube; Drying and lining method inside the tube comprising a. The method of claim 1, The step of removing the condensation and moisture in advance, Dehumidifying the inside of the tube with heat emanating from the body moving along the inside of the tube Drying and lining method inside the tube, characterized in that. The method of claim 1, The first coating step or the second coating step, The CIP primer or the primer for coating is sprayed on the inside of the tube by spraying means provided on the main body moving along the inner side of the tube, or the CIP (Ceramic In-Organic Plastic), the epoxy, the poly Urea resin, which is applied by spraying any one of the hybrid polymers Drying and lining method inside the tube, characterized in that. As a device for dehumidifying the inside of the tube, A first main body installed to move along the inner side of the tube; Air drying means installed in the first main body and for injecting air to dry the inner surface of the tube; A dehumidifying heater installed in the first body and dissipating heat to remove condensation and moisture present on the inner surface of the tube. Dehumidifier inside the tube comprising a. The method of claim 4, wherein The air drying means, A circular ring-shaped air distribution pipe installed at one side of the first body and supplied with air from an external air supply unit; A plurality of air nozzles disposed on the air distribution pipe at intervals and for injecting air supplied from the air distribution pipe toward the inner surface of the pipe; Dehumidifier inside the tube comprising a. The method of claim 4, wherein The first body, Fixed ribs to which one or two or more dehumidification heaters are fixed are formed along the outer circumferential surface and are provided in plurality at intervals along the longitudinal direction. Dehumidifier inside the tube, characterized in that. The method of claim 6, The dehumidification heater, A heater bracket which is installed to be able to change position on the fixed rib by fastening both ends with a bolt or a screw selectively to a part of the screw fastening hole selectively formed in a plurality of screw fastening holes formed at intervals on the fixed rib; Heating member installed on the heater bracket to dissipate heat Dehumidifier inside the tube comprising a. As a device for lining the inside of the tube, With the second body, Moving means provided in the second body such that the second body moves along an inner side of the tube; It is provided on the second body, by applying the injection pressure to the inner surface of the tube is primarily coated with a CIP primer or a primer for coating, and secondly CIP (Ceramic In-Organic Plastic), epoxy, polyurea resin, Injection means for applying any one of the hybrid polymers, Control unit for controlling the moving means and the injection means Lining device inside the tube comprising a. The method of claim 8, The second body, Spray CIP (Ceramic In-Organic Plastic) primer or paint primer supplied inside or filled inside through composite pipe from outside, or CIP (Ceramic In-Organic Plastic), epoxy, polyurea resin, or hybrid polymer With heating means for heating to inject Lining device inside the tube, characterized in that. The method of claim 8, The injection means, Rotating bar is installed on the second body so as to rotate by a rotary drive unit, A plurality of spraying the CIP primer or the primer for the coating along the longitudinal direction of the rotation bar, or any one of the CIP (Ceramic In-Organic Plastic), the epoxy, the polyurea resin, the hybrid polymer Minute nozzle is prepared Lining device inside the tube, characterized in that.

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