JPH0972111A - Method and equipment for removing asbestos - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shorten the term of works, and to reduce cost largely by eliminating whole-surface curing by using a plastic sheet and also whole-surface coating with curing agent or a scattering preventive agent, and saving the labor of operation. SOLUTION: A working space 12, in which all directions are surrounded by a transparent panel 11, is formed to the upper section of a work truck 1, which can be moved by a caster 2 and in which height can be adjusted by a jack 6, a surface where asbestos is to be removed is cured partially by abutting an annular joint 16 installed to the upper section of the transparent panel 11 against a ceiling slab 15, and asbestos in the removing surface section is removed while being sucked and carried to a vacuum car through a flexible hose 21. Asbestos on the whole removing surface is taken off successively while moving the work truck 1 in succession.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an asbestos removing method and an apparatus for efficiently removing asbestos harmful to a human body when dismantling or renewing a building using asbestos. .

[0002]

2. Description of the Related Art A large amount of asbestos has been used as a heat insulating / refractory material in conventional old buildings. Asbestos dust is considered to be carcinogenic and extremely harmful to the human body.Therefore, strict regulations are imposed on the work of removing asbestos during the demolition work or the renewal work of buildings that use asbestos. . In general, prior to the removal work, the entire removal work site must be covered with a plastic sheet to protect it from the outside. At this time, similar curing is required for lighting equipment, piping, etc., and in particular, double plastic sheet curing is required for the floor surface. In addition, before removing asbestos by spraying, it is obligatory to apply a curing agent or an anti-scattering agent to the entire removal surface.

In this way, asbestos removal work encloses a plastic sheet on the entire removal work site and encloses it with a curing agent or an anti-scattering agent applied on the entire surface.
Either containment or removal work is indispensable, and after that, curing temporary dismantling, cleaning finish, inspection and confirmation must be performed, which requires a lot of man-hours and a long construction period. Has become.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to provide a new method and apparatus for removing asbestos that can omit some of the work required in the conventional work of removing asbestos and improve the efficiency of the work. To provide. Another object of the present invention is to obtain an asbestos removal method and device which can be expected to shorten the construction period and greatly reduce the cost by labor saving of the removal work. A further object of the present invention is to provide an apparatus that is convenient for cleaning and changing clothes of workers after the asbestos removal work is completed.

[0005]

In order to solve the above-mentioned problems, the asbestos removal method according to the present invention uses transparent panels on all four sides of a work carriage which can be moved by casters and whose height can be adjusted by jacks. After forming an enclosed work space and abutting the ring joint provided on the upper part of the transparent panel with the ceiling slab, the asbestos removal surface was locally cured, and then the asbestos in the same part was passed through a flexible hose. It is characterized in that it is removed while sucking and transporting it to a vacuum car, and then the asbestos on the entire removal surface is sequentially removed while sequentially moving the work trolley, thus sequentially curing the asbestos removal surface locally. By moving the work trolley to perform removal work, the entire site is cured with a plastic sheet and the curing agent or anti-scattering agent is applied over the entire surface. It can be eliminated.

On the other hand, the asbestos removing apparatus according to the present invention has a work carriage movable by casters and adjustable in height by a jack, and a work space formed by surrounding transparent panels on four sides on the upper part of the work carriage. An entrance provided on one side surface of the transparent panel, an annular joint provided on the upper portion of the transparent panel so as to be able to come into contact with the ceiling slab, and a hole provided at the lower portion of the transparent panel to allow the inside of the working space to pass through. It is equipped with a flexible hose for sucking and transporting asbestos that can be connected to a vacuum vehicle. The surface is locally cured to prevent leakage of asbestos to the outside, and the removed asbestos is transferred via a flexible hose for suction and transfer. Ya whether to transported to the vacuum vehicles, can be removed efficiently.

Further, in the asbestos removing device according to the present invention, a notch is provided on the upper portion of the transparent panel to avoid interference with the beam, and a closing member that can be set from the inside so that asbestos does not leak to the notch. It is possible to remove the asbestos so that the asbestos does not leak to the outside by setting the closing member also on the beam portion of the ceiling.

Further, the asbestos removing apparatus according to the present invention is characterized in that a fixed leg is provided at the lower part of the work carriage for fixing the movement of the work carriage by grounding to the floor surface. During removal work, by fixing the fixed legs to the floor and fixing the work carriage, accidental movement can be prevented and work can be performed safely.

Furthermore, in the asbestos removing apparatus according to the present invention, a cleaning / changing room surrounded by curtains is provided on a carriage that can be moved by casters, and the cleaning / changing room has an entrance / exit of a working space on the work carriage. A cleaning / dressing device for workers, which is provided with an entrance / exit through which the cleaning / dressing device is connected with the asbestos removing device, is used after the removal work is completed. By moving and connecting to the asbestos removing device, the worker can be moved to the cleaning and changing device side through the entrance and exit, and can be quickly washed and changed in the cleaning and changing device.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS. FIG. 1 is a front view (A) and a side view (B) showing an embodiment of an asbestos removing device according to the present invention, and FIG. 2 shows a combined use state of the asbestos removing device and a cleaning and changing device for workers. It is a front view.

A work trolley 1 constructed by using a pipe as a framework
Is equipped with four casters 2 at the bottom and is configured to be movable. The work trolley 1 is composed of a lower structure 3 and an upper structure 4 which are fitted to each other in a telescopic manner, and a link 6 and a jack 6 composed of a hydraulic cylinder or the like are provided between the lower structure 3 and the upper structure 4. By doing so, the height of the upper structure 4 can be adjusted. Further, the work trolley 1 is provided with a fixed leg 7 at a lower part thereof, and the fixed leg 7 is provided during work.
Is configured to be able to block the movement of the work carriage 1 by grounding the work surface to the floor surface, and the upper structure 4
A work table 8 on which a worker A rides is provided on the upper part of the table.

Pipes 9 are fixedly installed at the four corners of the upper structure 4 of the work carriage 1 via the different-diameter orthogonal clamps 10, and the transparent panels 11 made of acrylic panels or the like are provided on the four sides, so that the four sides are fixed. Transparent panel 1
A working space 12 surrounded by 1 is formed. A sealing material is applied to each corner of the transparent panel 11 to prevent asbestos dust from leaking to the outside.

Further, on one surface of the transparent panel 11, there is provided an entrance / exit 13 in which an inward opening door 14 for the worker A to enter and exit is installed. On the other hand, an annular joint 16 made of a sponge material that is in contact with the ceiling slab 15 and seals the working space 12 is provided on the upper portion of the transparent panel 11 via a square member 17, and a notch for avoiding interference with the beam 18. A portion 19 is provided so that the blocking member 20 can be set from the inside so that asbestos does not leak into the cutout portion 19.
Since the closing member 20 corresponds to the beams 18 having different sizes, several kinds of the closing members 20 may be prepared or contracted by air injection so that the asbestos does not leak to the outside.

Further, a flexible hose 21 for sucking and conveying asbestos is provided under the transparent panel 11 in the work space 1.
The hole 22 for introducing into the inside of 2 is provided in one place, and by connecting the flexible hose 21 arranged through the hole 22 to the vacuum vehicle, the asbestos removed by spraying in the working space 12 is removed. It is designed so that it can be transported by suction to a vacuum car. In the above embodiment,
The height of the upper structure 4 can be adjusted by the jack 6, but in some cases, the pipe 9 and the transparent panel 11 forming the working space 12 are configured to be expandable and contractable, so that The height may be adjustable.

When removing asbestos by using the above-mentioned asbestos removing device, first, the asbestos removing device is brought into the removal construction site, and the height of the work carriage 1 is adjusted according to the height of the ceiling. By doing so, the annular joint 16 provided on the upper portion of the transparent panel 11 is brought into contact with the ceiling slab 15. Next, the closing member 20 is set inside the beam 18 to isolate the inside of the work space 12 from the outside and locally cure the asbestos removal surface.

In this state, the flexible hose 21 is connected to the vacuum vehicle, and the worker A opens the door 13 of the door 13.
Open 4 to enter the work space 12, apply a curing agent to the removal surface as needed, then remove asbestos sequentially by spraying, and at the same time remove the removed asbestos by suction to a vacuum vehicle via a flexible hose 21. While doing the removal work. During the removal work, the fixed legs 7 are grounded on the floor so that the work carriage 1 does not move, and the work carriage 1 is fixed. When the asbestos removal of the locally cured part is completed, the fixed legs 7 are lifted to move the work trolley 1 to the removal surface next, and thereafter, the same work is repeated to sequentially remove the asbestos on the entire removal surface. be able to.

Therefore, by using the asbestos removing device having the above-mentioned configuration and performing the asbestos removing work by the above-mentioned method, the curing of the plastic sheet on the entire removal work site and the application of the curing agent or the anti-scattering agent to the entire removal surface are carried out. Since the asbestos can be contained and the removal work can be performed without performing the above, it is possible to improve efficiency of the removal work by omitting a part of the work conventionally required.

[0018] Further, labor saving of the removing work makes it possible to shorten the construction period and significantly reduce the cost. If it is necessary to remove asbestos in a short time, or if the removal work is large-scale, a plurality of asbestos removal devices can be put in and the work can be performed simultaneously.

Next, a cleaning and changing device for workers used in combination with the asbestos removing device will be described with reference to FIG. The cleaning / changing device 23 is for cleaning and changing the worker A after the asbestos removal work is completed, and is a cleaning / changing device in which a curtain 26 surrounds a movable carriage 25 equipped with casters 24. A chamber 27 is provided, and the cleaning and changing room 27 is provided with an entrance / exit 28 that can enter and exit from the entrance / exit 13 of the work space 12 on the work carriage 1 of the asbestos removing device. In addition, trolley 25
Steps or crosspieces 29 are provided on the.

This cleaning / changing device 23 is connected to the asbestos removing device as shown in FIG. 2 after the removal work using the asbestos removing device is completed, and in this state, the worker A enters the entrance / exit 13 from the side of the asbestos removing device. , 28 to move to the cleaning and changing device 23 side, it is possible to quickly perform cleaning and changing clothes in the cleaning and changing room 27. Therefore, it can be conveniently used for cleaning and changing clothes of the worker after the asbestos removal work is completed.

[0021]

As described above, according to the method of removing asbestos of the present invention, the work carriage can be sequentially moved to perform the removal work while locally curing the asbestos removal surface. It is not necessary to cure the entire surface or apply the curing agent or the anti-scattering agent to the entire surface, and the labor for removing asbestos can be saved and made more efficient. Further, according to the asbestos removing device of the present invention, while locally moving the asbestos removing surface while moving sequentially, while preventing the asbestos leakage to the outside, the removed asbestos can be quickly vacuumed through the suction transfer flexible hose. Since it can be transported to and removed efficiently, labor of the removal work can be saved, the construction period can be shortened, and the cost can be significantly reduced.

By providing a closing member for the beam portion, the asbestos leakage from the beam portion can be surely prevented, and by providing the fixing leg on the work vehicle, the work vehicle can be fixed and safely. Can be removed. Furthermore, after the removal work is completed, the cleaning and changing device can be connected to the asbestos removing device, and the worker can be moved to the cleaning and changing device side for cleaning and changing clothes. Can be made convenient.

[Brief description of drawings]

FIG. 1 is a front view (A) and a side view (B) showing an embodiment of an asbestos removing device according to the present invention.

FIG. 2 is a front view showing a combined use state of the asbestos removing device according to the present invention and a cleaning and changing device for workers.

[Explanation of symbols]

1 Working Cart 2, 24 Casters 6 Jack 7 Fixed Leg 11 Transparent Panel 12 Working Space 13, 28 Doorway 15 Ceiling Slab 16 Annular Joint 18 Beam 19 Cutout 20 Closing Member 21 Flexible Hose 22 Hole 23 Washing Changing Device 25 Truck 26 Curtain 27 Washing and changing room A Worker

Claims (5)

[Claims] 1. A work space, which is movable by casters and whose height can be adjusted by a jack, has a work space surrounded by transparent panels on four sides, and a ring joint provided on the top of the transparent panel is ceiling. The asbestos removal surface is locally cured by abutting on the slab, and then the asbestos in the same area is removed by suction transfer to a vacuum car via a flexible hose, and then the removal surface is moved while sequentially moving the work carriage. Asbestos removal method characterized by sequentially removing asbestos on the entire surface. 2. A work carriage which can be moved by casters and whose height can be adjusted by a jack, a work space which is formed on the upper part of the work carriage by surrounding transparent panels on four sides, and one side surface of the transparent panel. Introduced into the working space through the provided entrance and exit, an annular joint provided in the upper part of the transparent panel so as to be able to contact the ceiling slab, and a hole provided in the lower part of the transparent panel, and to a vacuum vehicle. An asbestos removal device comprising a connectable flexible hose for sucking and transporting asbestos. 3. The transparent panel is provided with a notch portion for avoiding interference with the beam on the upper portion thereof, and a notch member capable of being set from the inside so as to prevent asbestos from leaking to the notch portion. The asbestos removal device according to claim 2. 4. The asbestos removing device according to claim 2, wherein a fixed leg is provided at a lower portion of the work carriage for fixing the movement of the work carriage to the floor. 5. A worker having a cleaning / changing room surrounded by curtains on a carriage that can be moved by casters, and an entrance / exit for the cleaning / changing room, which is accessible from an entrance / exit of a working space on the work carriage. An asbestos removing device comprising a cleaning and changing device for use with the asbestos removing device according to claim 2.