A REPAIRING METHOD FOR USED FRESH WATER PIPE WITH THERMOSETTING RESIN IMMERSION PE SOFT TEXTILE USING AIR AND WATER PRESSURE-DRIVEN TURN INSIDE OUT INSERTION DEVICE OF PIPE FIXED TYPE

摘要

The present invention relates to a device for injecting a resin liquid-impregnated PE soft nonwoven reinforcement tube used for regeneration of an old water pipe by a PE soft nonwoven reinforcement tube insertion method into an old water pipe by pneumatic or hydraulic pressure. More specifically, when renovating and repairing old water pipes, the scales inside the old pipes are removed, and then, the pipes are dried and dried, and the apparatus for inverting and inserting the PE soft non-woven reinforcement tube impregnated with the thermosetting resin liquid into water or air pressure is miniaturized and lightened. It reduces time spent on work processes, reduces facility investment costs, reduces construction costs by reducing the cost of expensive PE soft nonwoven tubes, and improves processes. The conventional method of inserting such a thermosetting resin-impregnated PE soft nonwoven fabric reinforcement tube into an aged water regeneration pipe is mainly performed by two methods of hydraulic reversal insertion method and pneumatic reversal insertion method used for non-excavation rehabilitation method of sewage old pipe. come. Conventional hydraulic pressure reversal insertion method puts an iron support tower on the ground at the construction site, installs a vertical water supply pipe vertically and fills the water in the water supply pipe continuously to invert the resin liquid impregnated PE soft nonwoven tube at the pressure of head pressure. By inserting, it is easy to be exposed to the electric shock of grounded high-voltage cable tube, the danger of conduction due to traffic obstacle and strong wind. In addition, head pressure and insertion distance are directly proportional to each other, so there is a limit to long-distance construction. In the conventional method, the pneumatic reversal inserting device has a resin-impregnated PE soft non-woven reinforcement tube wound in advance in the winder inside the device to fix the inlet tube, and then blows compressed air (FIG. 7) into the sealed device to form a balloon-like shape. It can be inserted in the old pipe by inverting it into the old pipe. The long distance can be inserted by adjusting the compressed air. However, the 80 ~ 100m impregnated tube should be wound around the device in advance so that the device becomes large and the weight of the resin impregnated tube In addition, the weight is so heavy that the vehicle equipped with the reversing device becomes large, and thus the loss of expensive thermosetting resin-impregnated PE soft non-woven reinforcement tube is increased due to the inaccessible working excavation point. This causes a lot of heat loss in the heat curing operation, which is uneconomical. In addition, the surrogate work vehicle occupies the road in the construction section for a long time there is a disadvantage that causes traffic obstacles.;These two conventional methods are large and inefficient, and the apparatus and method applied to the non-excavation rehabilitation method of sewer rehabilitation rehabilitation method, there is a lot of unreasonable disadvantages to apply to the old water pipe rehabilitation method. Accordingly, the present invention invented a specialized method and a pneumatic-hydraulic complex reversal inserting device applied to the purpose of water supply rehabilitation repair method to reduce the capital investment cost and shorten the work process by miniaturizing and reducing the reversal inserting device. To reduce the loss of expensive thermosetting PE soft nonwoven tube, and to reduce the cost of construction by reducing the thickness of the tube thinly suitable for the purpose of rehabilitation of old pipes, it is possible to satisfy the economic efficiency and construction efficiency.