JP2005324163A - Apparatus for cleaning inside of vertically cylindrical body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus for cleaning the inside of a vertical cylindrical body, with which an attachment layer contaminated with dioxins inside a chimney is removed without using water while preventing the surrounding environment from being contaminated. <P>SOLUTION: This cleaning apparatus is provided with: an attachment scraping unit 5 which is fit to a long shaft 3 and has a scraping member to be rotated around the vertical axis of the vertical cylindrical body P; a suction part 43 for directing a suction port 45 to the vicinity of the scraping member; a dust collecting unit 49 to be connected to the suction part 43 through a suction hose 47; a holding unit 7 arranged to be slid on the shaft for positioning the center of the shaft in the vertical cylindrical body P; and a scraping unit driving means for sliding the attachment scraping unit 5 continuously or intermittently in the vertical direction. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an apparatus for cleaning the inner surface of a vertical cylinder such as a chimney.

  Patent Document 1 and Patent Document 2 disclose conventional apparatuses for cleaning the inner surface of a chimney. That is, Patent Document 1 includes a flushing device that is disposed so as to be movable up and down inside the chimney, and that flushes the inside of the chimney while spraying water, and is coaxial with the chimney and swivels in the circumferential direction. The vertical axis pipe is supported so as to be suppressed and the flow channel is formed inside, and is fitted to the outer circumference of the vertical axis pipe through a bearing and communicates with the flow channel of the vertical axis pipe, but on the outer circumferential surface. A bent nozzle that is detachably provided at the fountain port of the joint pipe so that the formed swivel joint pipe and the tip side are bent at a predetermined angle, and the axis of the tip side is perpendicular to the axis of the joint pipe; A chimney cleaning device having a straight nozzle provided at a fountain port of a joint pipe is disclosed.

  Patent Document 2 discloses an apparatus main body capable of moving up and down the chimney interior, a holding mechanism for holding the apparatus main body at the chimney center position, and a contaminant removal mechanism mounted on the apparatus main body for removing contaminants from the chimney inner surface. A chimney inner surface decontamination apparatus is disclosed. As the decontamination mechanism, it is possible to replace the one with the hammer and the one with the bit, and the device detects the protrusion of the inner surface of the chimney and the mechanism that maintains the beat depth of the hammer. A mechanism to avoid this is provided. The holding mechanism holds the entire apparatus at the chimney center position by stretching at least three holding arms on the inner surface of the chimney. Contaminants removed from the chimney inner surface by the decontamination device are dropped on the chimney bottom and collected by vacuum suction using a vacuum device, and exhausted from inside the chimney, and the contaminants in the exhaust are collected by a dust collector.

  However, since the apparatus disclosed in Patent Document 1 known as a wet construction method injects ultra-high pressure water to clean the chimney inner surface, in order to treat water contaminated with dioxins, a water treatment plant is installed. There were problems such as requiring a yard and processing costs.

  In the device disclosed in Patent Document 2, which is known as a dry construction method, contaminants scraped by a hammer or bit fall to the lower part of the chimney and diffuse as dust around it, which may contaminate the surrounding environment. It took time and money to process the fallen contaminants.

JP-A-9-248536 JP 2002-31325 A

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a cleaning device for a vertical cylinder that removes an adhesion layer or the like on the inner surface of a chimney contaminated with dioxins without using water and preventing the surrounding environment from being contaminated. There is.

  In order to achieve the above object, the cleaning device in the vertical cylinder according to the first aspect of the present invention can be disposed in the vertical cylinder and is fixed in the vertical direction in the middle or lower end portion of the long shaft. An adhering material scraping device having a shaving member that can rotate around a vertical axis of the vertical cylinder, a suction part that faces a suction port in the vicinity of the shaving member, and the suction part. A dust collecting device connected via a suction hose, a gripping device slidably provided on the shaft for centering the shaft in the cylindrical body, and the shaving device together with the shaft with respect to the gripping device And a scraping device driving means that slides up and down continuously or intermittently.

  According to this aspect, the scraping member of the scraping device can come into contact with the inner surface of the vertical cylindrical body to scrape off deposits. The scraped deposit is sucked from the suction port and collected by the dust collecting device via the suction hose, so that the polluted deposit contaminated with dioxin and the like is prevented from diffusing around. In this aspect, since the shaving device also moves up and down as the shaft moves up and down, the deposits can be removed over the entire vertical region of the vertical cylinder.

  Further, the cleaning device in the vertical cylinder according to the second aspect of the present invention can be arranged in the vertical cylinder, and is provided in a state in which the long shaft can be moved in the vertical direction. A deposit scraping device having a scraping member that can rotate around a vertical axis of the body, a suction part that faces a suction port in the vicinity of the scraping member, and a suction hose connected to the suction part. A dust collecting device, a gripping device provided on the shaft for centering the shaft in the cylindrical body, and a scraping device continuously or intermittently along the shaft with respect to the gripping device. A shaving device driving means for sliding in the vertical direction is provided.

  According to this aspect, the scraping member of the scraping device can come into contact with the inner surface of the vertical cylindrical body to scrape off deposits. The scraped deposit is sucked from the suction port and collected by the dust collecting device via the suction hose, so that the polluted deposit contaminated with dioxin and the like is prevented from diffusing around. In this aspect, since the scraping device can move up and down with respect to the shaft, the deposits can be removed within the range in which the vertical cylindrical shaft extends.

  Moreover, the cleaning device in the vertical cylinder according to the third aspect of the present invention is characterized in that, in the first or second aspect, the scraping member rotates as the shaft rotates about its axis. It is what. According to this aspect, the shaft itself rotates, and accordingly, the scraping member of the scraping device rotates, so that the deposits can be scraped from the entire circumference of the inner surface of the vertical cylindrical body.

  According to a fourth aspect of the present invention, in the first or second aspect, the scraping member rotates as the scraping device rotates around the shaft. It is characterized by doing. According to this aspect, when the scraping device rotates around the shaft, the scraping member rotates, and the deposit can be scraped off from the entire circumference of the inner surface of the vertical cylindrical body.

  The cleaning device for a vertical cylinder according to the fifth aspect of the present invention is characterized in that, in the third aspect, the gripping device is provided with a drive device for rotating the shaft. Is. According to this aspect, the rotational force is transmitted from the drive device to the shaft, and as a result, the shaving member can be rotated.

  Moreover, the cleaning device in the vertical cylinder according to the sixth aspect of the present invention is the cleaning device according to any one of the first to fifth aspects, wherein the scraping member is the vertical cylinder according to an inner diameter dimension of the vertical cylinder. The radial position from the vertical axis of the cylindrical body can be changed. According to this aspect, it can be used for various vertical cylinders having different inner diameters, and can also be applied to a vertical cylinder whose inner side is tapered.

  A cleaning device for a vertical cylinder according to a seventh aspect of the present invention includes a scraping device for deposits having a scraping member capable of rotating around a vertical axis of the vertical cylinder, and the vicinity of the scraping member. A suction part that faces the suction port, a dust collector connected to the suction part via a suction hose, and can be arranged in the vertical cylindrical body, suspended by a wire member, and the cylinder of the scraping device A gripping device provided so as to be slidable in the vertical direction in the vertical cylindrical body for centering in the body, and the shaving device is concentrically mounted, and the shaving device is continuously or intermittently moved in the vertical direction It is characterized by comprising a scraping device driving means that slides on the surface.

  According to this aspect, the scraping member of the scraping device can come into contact with the inner surface of the vertical cylindrical body to scrape off deposits. The scraped deposit is sucked from the suction port and collected by the dust collecting device via the suction hose, so that the polluted deposit contaminated with dioxin and the like is prevented from diffusing around. In this aspect, since the scraping device can be moved up and down by the wire member, the deposits can be removed over the whole vertical region of the vertical cylindrical body.

  A vertical cylinder cleaning device according to an eighth aspect of the present invention is characterized in that, in any of the first to seventh aspects, the vertical cylinder is a chimney. According to this aspect, the deposits can be efficiently removed without diffusing deposits contaminated with dioxin or the like deposited in the chimney.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a side sectional view of an embodiment in which a cleaning device in a vertical cylinder according to the present invention is applied to a chimney. FIG. 2 (a) is an enlarged side sectional view around the gripping device, and FIG. 3 (a) is an enlarged side view of the periphery of the scraping device, FIG. 3 (b) is a plan view of the scraping device, and FIG. 4 is an explanatory view of the radial drive device of the scraping action member. 5 (a) is a side sectional view showing another embodiment of the present invention, and (b) is a plan view thereof.

  In FIG. 1, reference numeral 1 denotes a cleaning device in a vertical cylinder according to the present invention. This cleaning device 1 cleans the inner surface of a chimney P which is an example of a vertical cylinder. The cleaning device 1 is provided so as to be slidable with respect to the shaft 3 in order to determine the center of the shaft 3 in the chimney P and the scraping device 5 for removing deposits attached to the inner surface of the chimney P. A gripping device 7 is provided as a part of its constituent elements.

  A hook 9 is formed at the upper end of the shaft 3, and the shaft 3 can be moved up and down by engaging a hook portion of a lifting / lowering hook block 11 corresponding to a shaving device driving means provided in a crane or the like. It is like that. Note that the vertical movement may be performed continuously or intermittently.

  The gripping device 7 is suspended by a wire member 12 as shown in FIG. 1, and can be slid up and down around the shaft 3 by hooking a hook portion of a lifting / lowering hook block 14 such as a crane on the wire member 12. . 2A and 2B, the gripping device 7 includes an inner portion 13 that is directly supported by the shaft 3, and an outer portion 17 that is provided around the inner portion 13 via a ball bearing 15. A sliding block 19, four support arms 21 provided so as to extend and contract in four directions from the outer member 17 of the sliding block 19, and a shaft rotation drive motor 23 provided on the sliding block 19 are provided. As shown in FIG. 2A, the output gear 25 provided on the output shaft of the shaft rotation driving motor 23 meshes with a gear 27 formed on the outer periphery of the inner portion 13 of the sliding block 19, thereby rotating the shaft. As the drive motor 23 is driven, the shaft 3 rotates.

  The scraping device 5 is attached to the lower end of the shaft 3 as shown in FIGS. In addition, the position where the shaving apparatus 5 is attached is not limited to the lower end, but may be an intermediate portion of the shaft 3. The scraping device 5 includes a base 29 fixed to the shaft 3, and a scraping rotation mechanism 31 attached to two opposing locations as an example around the base 29, and each scraping rotation mechanism 31 includes a base 29. An arm member 35 provided to be rotatable around a surrounding rotation fulcrum 33, a scraping action member 37 provided on the distal end side of the arm member 35, and a distal end in the middle of the arm member 35 as clearly shown in FIG. And a telescopic cylinder 39 connected thereto. The scraping action member 37 can appropriately change the radial position of the circle around the vertical axis L of the chimney P by expansion / contraction of the expansion / contraction cylinder 39, and therefore various types of members can be used as long as the length of the arm member 35 can be reached. The scraping member 37 can be brought into contact with the inner surface of the chimney P in accordance with the chimney having the inner diameter of.

  An action member drive motor 41 is provided on the upper part of each scraping action member 37, and the action member drive motor 41 is driven to rotate the scraping action member 37 (specifically, a rotating brush) to attach the chimney inner surface. Kimono can be scraped off. Further, a suction port 45 of the suction portion 43 faces in the vicinity of each scraping action member 37. The suction part 43 is connected to a suction drive source (not shown) via a suction hose 47, and a dust collector 49 (see FIG. 1) is connected in the middle thereof. With such a configuration, the deposit on the chimney inner surface scraped off by the scraping action member 37 is collected in the dust collecting device 49 through the suction port 45, and therefore the scraped deposit is contaminated with dioxins. Even in this case, there is no risk that the deposits will scatter around the chimney and contaminate the surrounding environment.

  Next, the operation of the cleaning device 1 in the vertical cylindrical body of the present invention will be described. The operator puts the cleaning device 1 of the present invention into the chimney using a crane or the like from above the chimney P to be cleaned, and when the shaft 3 is inserted into the chimney to a desired height, four from the gripping device 7. The supporting arm 21 is extended by the same length, and the gripping device 7 is fixed in the chimney P. As a result, the center of the shaft 3 in the chimney is also determined.

  By driving the telescopic cylinder 39 in this state, the arm member 35 is extended so as to expand toward the inner surface of the chimney, and the scraping action member 37 is brought into contact with the inner surface of the chimney. Then, the actuating member drive motor 41 is driven, the shaft rotation driving motor 23 is driven to rotate the shaft 3, and the scraping device 5 is rotated around the vertical axis L of the chimney P, thereby removing the deposits. Begins. When the deposit removal operation at the initial height position in the chimney is completed, the deposit in the chimney is sequentially removed while lowering the crane and lowering the scraping device 5 continuously or intermittently. . The deposits removed at this time are collected by the dust collector 49 through the suction port 45. Further, when the crane is lowered, the shaft 3 is guided to the gripping device 7, so that the shaft 3 is always positioned at the center in the chimney.

  As mentioned above, although one Embodiment of this invention was described, the cleaning apparatus 1 in the vertical cylinder body of this invention can take various other embodiment. For example, in the embodiment shown in FIG. 1, the shaving device 5 is moved up and down by moving the shaft 3 up and down. Instead, the shaving device 5 is fixed by moving the shaft 3 in the vertical direction. 5 may be slid vertically along the shaft 3 continuously or intermittently. In this case, the shaving device 5 itself may be hung with a crane or the like as the shaving device driving means and moved up and down, or a pinion and a rack that meshes with the pinion device are provided between the shaving device 5 and the shaft 3, The scraper 5 may be moved up and down along the shaft 3 by rotating a pinion using a motor as a scraper drive means provided in the scraper 5 as a drive source.

  In the embodiment shown in FIG. 1, the shaving member 37 rotates as the shaft 3 rotates. Instead, the shaving device 5 is connected to the shaft 3 without rotating the shaft 3. , And the scraping member 37 may be rotated around the axis of the shaft 3.

  Further, as shown in FIG. 5, the gripping device 7 is suspended by the wire member 51, and the deposit scraping device 5 having the scraping action member 37 below the gripping device 7 is concentrically attached to the gripping device 7. You can also. The gripping device 7 of this example can appropriately change the radial position of the circle centered on the vertical axis L of the chimney P by rotating the gripping action portion 55 in the vertical direction about the rotation fulcrum 53. Therefore, the gripping device 7 can be fixed in the chimney with any internal chimney. Further, since the scraping device 5 is concentrically attached to the gripping device 7, when the centering is performed by the gripping device 7, the centering of the scraping device 5 is also performed at the same time. Also in this example, the suction port 45 of the suction part 43 faces in the vicinity of the shaving member 37, and the suction part 43 is connected to the dust collector 49 through the suction hose 47. The scraping device driving means in this example is a winding device (not shown) that winds up the wire member 51. When the scraping device 5 is lowered, it is caused to drop by gravity due to its own weight, and when it is lifted, the wire member 51 is wound up. I have to.

  When cleaning the inside of a vertical cylinder such as a chimney contaminated with dioxins, the present invention can be used for a device for cleaning so that the scraped deposits are not scattered.

It is side sectional drawing of embodiment which applied the cleaning apparatus in the vertical cylinder which concerns on this invention to the chimney. (A) is an enlarged side sectional view of the periphery of the gripping device, and (b) is a bottom view of the gripping device. (A) is an enlarged side view around the shaving device, and (b) is a plan view of the shaving device. It is explanatory drawing of the radial direction drive device of a scraping action member. (A) is a sectional side view which shows other embodiment of this invention, (b) is the top view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cleaning apparatus in a vertical cylinder, 3 Shaft, 5 Sharpening apparatus, 7 Gripping apparatus 9 Hook, 11 Lifting hook block, 12 Wire member, 13 Inner part,
14 Elevating hook block, 15 ball bearing, 17 outer part,
19 sliding block, 21 support arm, 23 shaft rotation drive motor,
25 output gear, 27 gear, 29 base, 31 shaving turning mechanism, 33 turning fulcrum 35 arm member, 37 shaving acting member, 39 telescopic cylinder,
41 action member drive motor, 43 suction part, 45 suction port, 47 suction hose 49 dust collector, 51 wire member, 53 rotation fulcrum, 55 gripping action part P chimney, L vertical axis of chimney

Claims (8)

It has a scraping action member that can be arranged in a vertical cylinder, is provided in a vertically fixed state in the middle or lower end of a long shaft, and can rotate around the vertical axis of the vertical cylinder. Kimono scraping device,
A suction part for allowing a suction port to face in the vicinity of the scraping member;
A dust collector connected to the suction part via a suction hose;
A gripping device slidably provided on the shaft for centering the shaft in the cylinder;
A cleaning device for a vertical cylinder, comprising: a scraping device driving means that slides the scraping device up and down with the shaft continuously or intermittently with respect to the gripping device. An adhering material having a scraping action member that can be arranged in a vertical cylindrical body and is provided in a state in which it can be moved in a vertical direction on a long shaft and is capable of rotating around a vertical axis of the vertical cylindrical body. Scraping device,
A suction part for allowing a suction port to face in the vicinity of the scraping member;
A dust collector connected to the suction part via a suction hose;
A gripping device provided on the shaft for centering the shaft in the cylinder;
A cleaning device for a vertical cylinder, comprising: a scraping device driving means for sliding the scraping device vertically or intermittently along the shaft with respect to the gripping device.   3. The cleaning device for a vertical cylinder according to claim 1, wherein the shaving member rotates as the shaft rotates about its axis.   3. The cleaning device for a vertical cylinder according to claim 1, wherein the scraping member rotates as the scraping device rotates around the shaft.   4. The cleaning device for a vertical cylinder according to claim 3, wherein the gripping device is provided with a driving device for rotating the shaft.   The vertical direction according to any one of claims 1 to 5, wherein the shaving member can change a radial position from a vertical axis of the vertical cylinder according to an inner diameter of the vertical cylinder. Cleaning device inside the cylinder. A deposit scraping device having a scraping member that can rotate around a vertical axis of a vertical cylinder;
A suction part for allowing a suction port to face in the vicinity of the scraping member;
A dust collector connected to the suction part via a suction hose;
It can be arranged in the vertical cylinder, is suspended by a wire member, and is provided to be slidable in the vertical direction in the vertical cylinder for centering the scraping device in the cylinder, and the scraping device is concentric A gripping device attached to the machine,
A cleaning device for a vertical cylinder, comprising: a shaving device driving means for sliding the shaving device up and down continuously or intermittently.   The cleaning device for a vertical cylinder according to claim 1, wherein the vertical cylinder is a chimney.

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