JP3457778B2 - Suction type foreign matter removal device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foreign matter removing apparatus for removing foreign matter remaining inside equipment or piping in plant equipment or the like. [0002] In plant equipment and piping connected to the equipment, foreign substances such as dust may remain inside the equipment and cause failure or damage to the equipment. Conventionally, in order to prevent such a problem, a method of removing the foreign matter by using a vacuum cleaner or blowing it off with compressed air has only been adopted. Therefore, in such a conventional means, it is difficult to collect the foreign matter remaining in a deep part where the worker cannot reach and discharge the foreign matter to the outside. [0003] An object of the present invention is to provide a foreign matter removing apparatus capable of reliably and easily removing foreign matter remaining in any part of equipment or piping to the outside while monitoring the state of the remaining foreign matter. Is to do. SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and its gist is to collect foreign matters such as dust remaining inside a tubular body such as equipment and pipes, and to collect the foreign matters. A foreign matter removing device that discharges pulsed air toward the foreign matter, an intake wrapper that is made expandable and contractible in the radial direction and sucks foreign matter scattered by the pulsed air, and reciprocates between the intake wrapper and the air nozzle. A moving means for moving the air nozzle and a storage portion for storing the air nozzle and the suction wrapper moved by the moving means, and an optical fiber is built in an air pipe connected to the air nozzle and the air nozzle. That is. According to the above means, the foreign matter is once scattered by the pulsed air ejected from the air nozzle and is sucked by the suction wrapper, so that the foreign matter remaining at the bottom of the pipe can be collected, and the foreign matter in the pipe can be collected reliably and easily. Can be removed. Further, since the apparatus is composed of an intake wrapper and an air nozzle which can be expanded and contracted in the radial direction, when the apparatus is inserted into a pipe, the intake wrapper is reduced to insert the pipe from a small-diameter hole such as an inspection hole into the pipe. It is possible to provide compact and high handling. Further, since an optical fiber is incorporated in the end of the air nozzle and in the air pipe through which pulsed air flows to the air nozzle, foreign matter can be removed while monitoring the inside of the pipe from the outside and checking the state of the foreign matter. . An embodiment of the present invention will be described below in detail with reference to FIGS. FIG. 2 is an overall configuration diagram of a foreign matter removing device for plant equipment piping according to an embodiment of the present invention, FIG. 1 is a main part configuration diagram of the foreign matter removing device, FIG. FIG. 4 is a view as viewed from the direction indicated by the arrow A in FIG. In FIG. 1, reference numeral 2 denotes an intake wrapper, 3 denotes a pulse air nozzle, and 1 denotes a storage portion for the intake wrapper and the nozzle capable of storing the same. The storage portion 1 for the intake wrapper nozzle is formed in a cylindrical shape, and contains therein the intake wrapper, the pulse air nozzle, and the sliding portion 8 of the intake wrapper 2 that slidably supports them. It has a structure to do. The storage section 1 is connected to a flexible suction hose 4 in which a pulse air air pipe 6 is incorporated. [0011] As shown in FIG.
A cylindrical frame 9 made of steel wire or the like is provided on a cylindrical inner ring 8 having an intake wrapper sliding portion 8a, and a vinyl sheet 10 is adhered to the frame 9. A wire and a steel wire (not shown)
The intake wrapper insertion / removal wire 7 composed of a cover can be stored in the storage section 1 of the intake wrapper nozzle by remote control from the outside. The above-described pulse air nozzle 3 is supported by four supports 11 at the center of the cylindrical inner ring 8 in which the intake wrapper sliding portion 8a is formed (see FIG. 4). The storage part 1 of the intake horn and nozzle
It can be stored inside. The pulse air nozzle 3 has a built-in optical fiber inside a pipe 3a through which pulse air passes. A nozzle for jetting pulse air is provided at the tip of the pipe 3a. An optical fiber lens 5 for monitoring the front is attached. The nozzle is provided with a plurality of pulse air injection holes toward the rear, and the inside can be monitored from the outside through an optical fiber incorporated in an air pipe 6 for pulse air described later. The end of the air pipe 6 is slidably fitted in the pipe 3a of the pulse air nozzle 3, and the cylinder of the intake wrapper 2 slidably fitted in the housing 1a as described above. The inner ring 8 and the pulse air nozzle 3 are reciprocally slid in cooperation with the inside of the housing 1 by the wire 7. When the foreign matter in the pipe 100 is removed by using the foreign matter removing device configured as described above, the distal end portion of the pulse air nozzle 3 together with the suction wrapper 2 is moved away from the place where the foreign matter 101 remains in the pipe 100. It is inserted into a slightly deeper part, and pulse air introduced from an air source (not shown) is ejected from the nozzle to the vicinity of the foreign matter 101. The foreign matter 101 is blown off by the pulse air, is sucked into the suction wrapper 2 and is discharged to the outside through the suction hose 4. At this time, the suction wrapper 2 and the pulse air nozzle 3 are inserted into the pipe 100 from the inspection hole 102 while being housed in the storage section 1 of the suction wrapper nozzle, and the inside of the pipe 100 is checked with the optical fiber lens 5. Then, the suction wrapper 2 and the pulse air nozzle 3 are moved by hand to a portion where the foreign matter 100 needs to be removed inside the pipe, and the suction wrapper 2 and the pulse air nozzle 3 are moved from the storage section 1 into the pipe by the wire 7 for taking in and out the suction wrapper. And the intake wrapper 2 is opened (FIG. 3A). Then, an external suction device (not shown) is activated, and when suction is started, pulse air is sent from an external compressor via a pulse air air pipe 6, and the air is intermittently ejected from a pulse air nozzle. The foreign matter blown off by the pulse air is sucked from the intake wrapper 2,
It is carried out through the suction hose 4 to the outside. The above-mentioned intake wrapper 2 and pulse air nozzle 3
3B and 3C, when the cylindrical inner ring 8 of the intake wrapper 2 is pulled to the right in the drawing, as shown in FIGS. It is folded according to the inner diameter of the storage part 1 and is stored compactly with the pulse air nozzle. The present invention is configured as described above.
According to the present invention, the foreign matter in the pipe is scattered by the pulsed air, and the foreign matter remaining in the bottom of the pipe can be collected all over because the foreign matter in the pipe is sucked by the suction wrapper, whereby the foreign matter in the pipe can be reliably and easily removed. can do. Further, since the intake wrapper and the air nozzle which can be expanded and contracted in the radial direction are combined, the intake wrapper can be inserted into the pipe through a small-diameter hole by reducing the size of the intake wrapper. A device can be obtained. Further, the condition inside the tube is monitored by the optical fiber, and the removing operation can be performed while grasping the state of the foreign matter, so that the objects can be removed reliably and efficiently. Further, the state of the inside of the tube after the removal can be confirmed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a main part configuration diagram of an apparatus for removing foreign matter from plant equipment piping according to an embodiment of the present invention. FIG. 2 is an overall configuration diagram of a foreign matter removing device according to the embodiment. FIG. 3 is an operation explanatory view in the embodiment. FIG. 4 is a view taken in the direction of the arrow A in FIG. 3; [Description of Signs] 1 storage section 2 intake wrapper 3 pulse air nozzle 5 optical fiber 100 tube

Claims (1)

(1) A foreign matter removing device that collects foreign matter such as dust remaining inside a tubular body such as an apparatus and a pipe and discharges the foreign matter to the outside by injecting pulsed air toward the foreign matter. An air nozzle, an intake wrapper that is made expandable and contractible in the radial direction and sucks foreign matter scattered by the pulse air, a moving unit that reciprocates the intake wrapper and the air nozzle, the air nozzle that is moved by the moving unit, A suction type foreign matter removing device comprising: a storage portion for storing an intake wrapper; and an optical fiber built in the air nozzle and an air pipe connected to the air nozzle.