JP2012197631A - Method for confining asbestos and processing device for confining asbestos - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent asbestos from leaking to the outside of space from the inside of the space and scattering by blocking the inside of the space in which asbestos is used and the outside of the space, in a fixing operation of fixing an outlet part for a treatment agent to an opening part.SOLUTION: In a method for confining asbestos, by which a treatment agent X for confining asbestos is supplied into space 3 in which asbestos 2 is used, to confine asbestos, the fixing operation for fixing the outlet part for the treatment agent (injection nozzle part 21 for the treatment agent) of a treatment agent supplying device 20 for supplying the treatment agent X into the space 3 through an opening part 4 that communicates the outside of the space 3 with the inside of the space 3, to the opening part 4 can be conducted by using a box for operation (glove box 10) while the opening part 4 is blocked from the outside of the space 3.

Description

  The present invention relates to a method for containing asbestos by containing a treatment agent for containing asbestos in a space in which asbestos is used, and more particularly to a method for containing asbestos in the space through an opening communicating with the outside of the space and the inside of the space. The present invention relates to a method for preventing asbestos from leaking to the outside of a space when performing a fixing operation of fixing a processing agent outlet portion of a processing agent supply device for supplying a processing agent to an opening.

Asbestos has been used for fireproofing, heat insulation, soundproofing, etc., but it is known to cause serious health problems when entering the human body.
As a method for treating asbestos, a method is known in which an operator enters the space where asbestos is used and removes asbestos (see, for example, Patent Documents 1 and 2). However, in this method, since the worker works in a space where asbestos drifts, there is a concern about the influence on the health of the worker. Therefore, a method for containing asbestos in a space where asbestos is used is known. According to this method, for example, a treatment agent (treatment agent for confining asbestos) that solidifies asbestos on the ceiling (space) where asbestos is sprayed on the surface of a steel frame or the like is injected by the injection nozzle to contain asbestos. (For example, refer to Patent Documents 3 and 4).
In addition, as a treating agent for containing asbestos, a composition in which a synthetic resin, an inorganic filler, a chlorinated paraffin, a cellulose swelling agent, a microorganism control agent, an organic solvent, and water are mixed in a predetermined ratio (for example, Patent Document 5). Etc.), water-soluble binders (see, for example, Patent Document 6) and the like are known.

Japanese Patent Laid-Open No. 9-279861 JP 2008-246346 A JP 2008-202377 A JP 2007-218069 A Japanese Patent Publication No. 63-55546 JP 2007-247240 A

  However, according to the method disclosed in Patent Documents 3 and 4, the processing agent outlet (jet) is provided on a partition plate (ceiling plate, wall plate, etc.) that divides a space (ceiling back, wall back, etc.) where asbestos is used. A hole to be an opening for inserting the nozzle) into the space must be formed. Therefore, after forming the hole, the asbestos in the space leaks to the outside of the space through the hole and is scattered until the processing agent outlet is inserted into the hole and installed. There was a problem that it may affect human health.

An asbestos containment method according to the present invention is an asbestos containment method in which a treatment agent for containing asbestos is fed into a space where asbestos is used to contain asbestos, and the asbestos containment method includes an opening communicating with the outside of the space and the inside of the space. Using a work box capable of fixing the processing agent outlet of the processing agent supply device for supplying the processing agent into the space with the opening being closed from the outside of the space Therefore, in the fixing operation of fixing the treatment agent outlet portion to the opening, the work box can block the space and the outside of the space, and the asbestos can be prevented from leaking out of the space and scattering. Moreover, since a processing agent can be injected in space, asbestos can be enclosed with a processing agent.
In addition, the fixing operation for fixing the treatment agent outlet to the opening can be performed in a state where the opening is closed from the outside of the space, and the air in the space is exhausted to the outside of the space through the opening. A fixing operation for fixing one or more of the air outlet portions of the air supply device for supplying air into the space via the exhaust port portion and the opening portion of the exhaust device for performing from the outside of the space Since it is performed using a work box that can be performed in a state in which the opening is closed, in the fixing operation of fixing one or more of the exhaust outlet and the air outlet together with the processing agent outlet to the opening. The box can block the space from the outside of the space and prevent asbestos from leaking out of the space and scattering. Further, the processing agent can be injected into the space, and asbestos can be more effectively contained by the processing agent by one or more actions of exhaust by the exhaust device and air supply by the air supply device.
In addition, since an existing opening provided in advance as an entrance to the space is used as the opening, there is no need to newly form a hole to be an opening for inserting the treatment agent outlet into the space. The process of closing the hole after the treatment can be eliminated, and the appearance of the space material can be reduced.
An asbestos containment processing apparatus according to the present invention is an asbestos containment treatment apparatus that contains a treatment agent for containing asbestos in a space in which asbestos is used to contain asbestos, and includes an opening communicating with the outside of the space and the inside of the space. The processing agent supply device for supplying the processing agent into the space through the space, and the fixing operation for fixing the processing agent outlet of the processing agent supply device to the opening is performed with the opening being closed from the outside of the space. In the fixing work that fixes the treatment agent outlet to the opening, the work box can block the space and the outside of the space, and asbestos leaks from the space to the outside of the space. It can be prevented from scattering. Moreover, since a processing agent can be injected in space, asbestos can be enclosed with a processing agent.
Of the treatment agent supply device, an exhaust device for exhausting air in the space to the outside of the space through the opening, and an air supply device for supplying air into the space through the opening One or more and the fixing work for fixing the treatment agent outlet portion to the opening can be performed in a state in which the opening is closed from the outside of the space, and the exhaust port of the exhaust device and the air of the air supply device And a work box capable of performing fixing work for fixing one or more of the outlet portions to the opening portion in a state where the opening portion is closed from the outside of the space. In the fixing work of fixing one or more of the air outlet and the air outlet to the opening, the work box can block the space and the outside of the space, and asbestos leaks out of the space and scatters. Can be prevented. Further, the processing agent can be injected into the space, and asbestos can be more effectively contained by the processing agent by one or more actions of exhaust by the exhaust device and air supply by the air supply device.

Sectional drawing which shows an asbestos containment processing apparatus (Embodiment 1). Sectional drawing which shows a glove box (embodiment 1). The perspective view which shows the glove box attached to the lower surface of a ceiling board so that an opening part may be plugged up (embodiment 1). The figure which shows the fixation operation process at the time of fixing a process agent injection nozzle part, an exhaust port part, and an air injection nozzle part to an opening part using a glove box (embodiment 1). Sectional drawing which shows an asbestos containment processing apparatus (Embodiment 2).

Embodiment 1
As shown in FIG. 1, the asbestos containment processing apparatus 1 is a glove as a work box that closes an existing opening 4 provided in advance as an entrance to the space 3 where the asbestos 2 is used from the outside of the space 3. A box 10, a processing agent supply device 20 for supplying a processing agent X for containing the asbestos 2 into the space 3 from the outside of the space 3 through the existing opening 4, and air in the space 3 An exhaust device 30 for exhausting outside the space 3 through the opening 4, an air supply device 40 for supplying air from the outside of the space 3 into the space 3 through the existing opening 4, and fixing Device 50.
In addition, the space 3 is a ceiling 100, a wall back, a machine room, an elevator shaft room, a parking lot, a substation, etc. of the building 100 in which the asbestos 2 is used. For example, as shown in FIG. 1, a ceiling back 3 </ b> A in which a steel frame 5 on which asbestos 2 is sprayed is installed in a building 100.
Further, the existing opening 4 is an inspection port, an entrance and the like for inspection.
Moreover, asbestos containment means the process which solidifies the surface of asbestos 2 with the processing agent X, the process which permeate | transmits the processing agent X inside the asbestos 2, etc.

As shown in FIG. 2; FIG. 3, the glove box 10 has a box body 11 with one opening having a space 10d of one opening 10c surrounded by a bottom plate 10a and a side plate 10b, and a hand 12 (see FIG. 4). In order to insert into the box body 11 from the outside of the box body 11, the pair of side plates 10 b; 10 b facing the box body 11 are attached to the through hole 13 for manual passage and the through hole 13 for manual passage. A glove 14, a through-hole 15 for passing through the bottom plate 10 a for passing one end of each hose to be described later; 15; 15, and a mounting flange 16 provided on the periphery of the one opening 10 c Is provided.
The box body 11 is formed of a material such as a so-called transparent or translucent resin having light permeability.
As the glove 14, for example, a stretchable rubber glove is used. This glove 14 is provided in the box 11 and the glove 14 is connected to the peripheral edge of the insertion port 12a of the hand 12 of the glove 14 and the hole edge of the through-hole 13 for passing through the glove 14 by an adhesive or the like. The inside of the box 11 and the outside of the box 11 communicate with each other via the insertion opening 12 a of the globe 14, and the through-hole 13 for manual passage is closed with the globe 14 sealed.

The processing agent supply device 20 includes a compressor 6, a processing agent injection nozzle portion 21 as a processing agent outlet portion fixed to the opening 4 by the fixing device 50, a processing agent supply pipe 22, a processing agent storage tank 23, A processing agent introduction pipe 24, an on-off valve 25, a branch pipe 26, an air outlet pipe 7 connected to the compressor 6, a three-way branch pipe whose receiving port is connected to the outlet of the air outlet pipe 7 and the like And a branching device 8.
The processing agent injection nozzle unit 21 includes an injection nozzle 21t at the other end that discharges the compressed air and the processing agent X together in a mist form.
The processing agent supply pipe 22 and the processing agent introduction pipe 24 are configured by, for example, a flexible hose.
One end opening of the processing agent supply pipe 22 is connected to be able to communicate with the first outlet of the branching device 8, and the other end opening is connected to be able to communicate with one end opening of the processing agent injection nozzle portion 21.
The processing agent introduction pipe 24 is connected to the processing agent storage tank 23 so that one end opening can suck the processing agent X stored in the processing agent storage tank 23.
Further, the respective end openings of the divided treatment agent supply pipes 22 and the other end openings of the treatment agent introduction pipes 24 are connected via a branch pipe 26 so as to communicate with each other.
In addition, each end opening of the divided treatment agent supply pipe 22 is connected to a flow path inlet and a flow path outlet of the on-off valve 25 so as to communicate with each other.
Accordingly, when compressed air is sent to the branch pipe 26 via the treatment agent supply pipe 22, the treatment agent X in the treatment agent storage tank 23 is sent into the treatment agent supply pipe 22 via the treatment agent introduction pipe 24 by the compressed air. Then, the compressed air and the processing agent X are atomized together from the processing agent injection nozzle 21t and discharged into the space 3 such as the ceiling 3A.

The exhaust device 30 includes a compressor 6, an exhaust port 31 fixed to the opening 4 by the fixing device 50, an exhaust pipe 32, an air supply pipe 33, a water tank 34, a discharge pipe 35, and a discharge pipe 35. A filter 36, an on-off valve 37, a branch pipe 38, an air outlet pipe 7 connected to the compressor 6, and a three-way branch pipe whose receiving port is connected to the outlet of the air outlet pipe 7. And the like branching device 8.
The exhaust pipe 32, the air supply pipe 33, and the discharge pipe 35 are configured by, for example, a flexible hose.
One end opening of the exhaust pipe 32 is located in the water 34 a of the water tank 34, and the other end opening is connected to the one end opening of the exhaust port portion 31 so as to be able to communicate therewith. The other end opening of the exhaust port portion 31 is an exhaust port 31t.
One end opening of the air supply pipe 33 and the second outlet of the branching device 8 are connected so as to communicate with each other.
Each end opening of the divided air supply pipe 33 is connected to a flow path inlet and a flow path outlet of the on-off valve 37 so as to communicate with each other.
And each end opening of the exhaust pipe 32 divided | segmented in the one end side of the exhaust pipe 32 and the other end opening of the air supply pipe 33 are connected via the branch pipe 38 so that communication is possible.
The filter 36 is formed of a filter such as a HEPA filter that purifies the exhaust gas floating from the water 34a and releases the exhaust gas to the outside.
Therefore, when compressed air is sent to the branch pipe 38 via the air supply pipe 33, the air in the space 3 is drawn into the branch pipe 38 via the exhaust pipe 32 by the compressed air and discharged into the underwater 34a. And after purifying (detoxifying) through the filter 36, it is discharged outside.

The air supply device 40 includes a compressor 6, an air injection nozzle portion 41 as an air outlet fixed to the opening 4 by the fixing device 50, an air supply pipe 42 configured by, for example, a flexible hose, The on-off valve 43, an air outlet pipe 7 connected to the compressor 6, and a branching device 8 such as a three-way branch pipe whose receiving port is connected to the outlet of the air outlet pipe 7 are provided.
The air injection nozzle unit 41 includes an injection nozzle 41t that discharges compressed air at the other end.
One end opening of the air supply pipe 42 is connected to be able to communicate with the third outlet of the branching device 8, and the other end opening is connected to be able to communicate with one end opening of the air injection nozzle unit 41.

The fixing device 50 includes the other end of the processing agent supply pipe 22, the exhaust pipe 32, and the air supply pipe 42 that are passed from the outside of the glove box 10 to the inside of the glove box 10 through the through holes 15; 15; This is an apparatus for fixing the treatment agent jet nozzle part 21, the exhaust port part 31, and the air jet nozzle part 41 connected to the opening to the opening part 4.
The fixing device 50 includes an inner plate 51 installed in the space 3 through the opening 4, an outer plate 52 installed outside the space 3 through the opening 4, an inner plate 51 and an outer plate 52, And a fixing screw 53 for connecting the two.
The outer plate 52 includes a through hole 52 a through which the other end of the processing agent supply pipe 22, the exhaust pipe 32 and the air supply pipe 42 passes, and a through hole 52 b through which the fixing screw 53 passes.
The inner plate 51 includes, for example, a fixing portion 54 that fixes the processing agent injection nozzle portion 21, the exhaust port portion 31, and the air injection nozzle portion 41, and a through screw hole portion 55 into which a fixing screw 53 is screwed.

  The fixing portion 54 is, for example, a non-illustrated penetration into which a thread portion (not shown) formed on the outer peripheral surface on one end side of the processing agent injection nozzle portion 21, the exhaust port portion 31, and the air injection nozzle portion 41 is screwed. It is formed by a screw hole. And the thread part of the one end side of the process agent injection nozzle part 21, the exhaust port part 31, and the air injection nozzle part 41 is screwed by the penetration screw hole part outside a figure from the one surface side of the inner board 51, and the inner board 51 is attached. In this state, the processing agent jet nozzle part 21, the exhaust port part 31, and the air jet nozzle part 41 are fixed to the fixed part 54. And the other end opening of the processing agent supply pipe 22, the exhaust pipe 32, and the air supply pipe 42 is connected to one end openings of the processing agent injection nozzle part 21, the exhaust port part 31, and the air injection nozzle part 41, respectively. To do. Thereby, the processing agent supply pipe 22 and the processing agent injection nozzle part 21 are connected, the exhaust pipe 32 and the exhaust port part 31 are connected, and the air supply pipe 42 and the air injection nozzle part 41 are connected. Become.

Next, the asbestos containment method using the asbestos containment processing apparatus 1 mentioned above is demonstrated. Here, a method of enclosing asbestos 2 in the ceiling back 3 </ b> A as the space 3 of the building 100 will be described as an example.
First, the other end opening side of the processing agent supply pipe 22, the exhaust pipe 32, and the air supply pipe 42 is pulled out to the inside of the glove box 10 through the through-holes 15; The other end opening side of the pipe 22, the exhaust pipe 32 and the air supply pipe 42 is further passed through the through hole 52 a of the outer plate 52. In addition, one end opening side of the treatment agent injection nozzle portion 21, the exhaust port portion 31, and the air injection nozzle portion 41 is fixed to the fixing portion 54 of the inner plate 51.
Then, the other end opening of the processing agent supply pipe 22 and one end opening of the processing agent injection nozzle part 21 are connected so as to communicate with each other, and the other end opening of the exhaust pipe 32 and one end opening of the exhaust port part 31 are connected so as to communicate with each other. The other end opening of the air supply pipe 42 and the one end opening of the air injection nozzle portion 41 are connected so as to communicate with each other.
Each of the processing agent supply pipe 22, the exhaust pipe 32, and the air supply pipe 42 is divided, and a joint member 60 is provided at a portion of the through-holes 15; Each of the pipe 22, the exhaust pipe 32, and the air supply pipe 42 may be configured to be connectable via the joint member 60 (see FIG. 4A).

  Next, as shown in FIG. 4A, in the state where the processing agent injection nozzle portion 21, the exhaust port portion 31, the air injection nozzle portion 41, the inner plate 51, and the outer plate 52 are housed inside the glove box 10, The position is determined so that the mounting flange 16 of the glove box 10 surrounds the opening 4. As shown in FIG. 4B, the glove box 10 is outside the space 3 and the ceiling 3 </ b> A that is an example of the space 3 to be contained in asbestos. In order to shut off the living room 105, the mounting flange 16 is brought into contact with, for example, the lower surface 104 of the ceiling board 102 as a partition plate that separates the ceiling back 3A and the living room 105, and the mounting flange 16 is a field as a ceiling base with screws 16a or the like. The glove box 10 is fixed to the lower surface 104 of the ceiling board 102 by screwing to the edge 16b. Thus, even if the door 4a of the opening 4 is opened, the opening 4 is completely closed by the glove box 10, and even if the door 4a of the opening 4 is opened, the ceiling back 3A and the living room 105 are separated. It is possible to prevent the asbestos 2 in the ceiling back 3 </ b> A from leaking into the living room 105 by being completely blocked by the glove box 10.

  In this state, as shown in FIG. 4B, the hand 12 is put in the globe 14, the door 4a of the opening 4 is opened, and the inner plate 51 is inserted into the ceiling back 3A through the opening 4 to open. It is installed on the upper surface 103 of the ceiling board 102 so as to straddle the part 4. And as shown in FIG.4 (c), the outer plate 52 is located under the opening part 4, and it penetrates in the state which made the through-hole 52b of the outer plate 52, and the penetration screw hole 55 of the inner plate 51 correspond. The fixing screw 53 is inserted into the hole 52 b and screwed into the through screw hole 55, and the inner plate 51 and the outer plate 52 sandwich the upper surface 103 and the lower surface 104 of the ceiling plate 102 positioned at the opening edge of the opening 4. The inner plate 51 and the outer plate 52 are attached in a state of being fixed to the opening 4 by fastening the fixing screw 53 until the attachment state is reached.

As described above, in the fixing operation of fixing the processing agent injection nozzle part 21, the exhaust port part 31, and the air injection nozzle part 41 to the opening part 4, the ceiling back 3A (space 3) and the living room (outside the space) ) 105 can be cut off, so that the asbestos 2 can be prevented from leaking into the living room 105 from the ceiling back 3A and being scattered.
Further, since the existing opening 4 provided in advance as an entrance to the ceiling back 3A is used, the openings for inserting the processing agent injection nozzle portion 21, the exhaust port portion 31, and the air injection nozzle portion 41 into the ceiling back 3A. It is no longer necessary to newly form a hole to be a part in the ceiling plate 102, and it is possible to eliminate the work of closing the hole after the processing and to reduce the appearance of the ceiling plate 102.

  When the compressor 6 is activated and the on-off valve 25 is opened, compressed air is supplied to the processing agent injection nozzle portion 21, the processing agent X is pulled by the compressed air, and the processing agent X and the compressed air are combined together. From 21t, it is sprayed into the ceiling 3A (space 3) in the form of a mist. That is, the processing agent supply process for supplying the processing agent X into the space 3 through the opening 4 communicating with the outside of the space 3 and the inside of the space 3 is performed. Thereby, the processing agent X can adhere to the asbestos 2 adhering to the steel frame 5 etc. and the asbestos 2 floating in the air, and can contain the asbestos 2.

  When the on-off valve 37 is opened, compressed air is supplied to the branch pipe 38 and is pulled by the compressed air, so that air in the ceiling back 3A is drawn into the branch pipe 38 through the exhaust port 31t and the exhaust pipe 32, and To 34a. That is, an exhaust process for exhausting the air in the space 3 to the outside of the space 3 through the opening 4 is performed. As a result, the ceiling back 3A becomes negative pressure, so that the processing agent X easily spreads to every corner in the ceiling back 3A, and the processing agent X easily adheres to the asbestos 2 in every corner in the ceiling back 3A. 2 can be contained more effectively.

When the on-off valve 43 is opened, compressed air is supplied to the air injection nozzle portion 41, and the compressed air is discharged into the space 3 from the air injection nozzle 41t. That is, an air supply process for supplying air into the space 3 through the opening 4 is performed. As a result, the processing agent X is diffused and more easily spreads in the corners of the ceiling back 3A, and the processing agent X is more likely to adhere to the asbestos 2 in the corners of the ceiling back 3A, so that the asbestos 2 can be more effectively contained. be able to.
In particular, when the space 3 such as the ceiling back 3A is wide, the asbestos 2 can be more effectively contained by the effect of diffusing the treatment agent X.

Embodiment 2
As shown in FIG. 5, the asbestos containment processing device includes the processing agent supply device 20, the glove box 10, and a fixing device 50 that fixes the processing agent injection nozzle portion 21 of the processing agent supply pipe 22 to the opening 4. 1 may be used.
Also in the second embodiment, the space 3 and the outside of the space 3 can be blocked by the glove box 10 in the fixing operation for fixing the treatment agent injection nozzle portion 21 to the opening 4, so that the asbestos 2 moves from the space 3 to the outside of the space 3. It is possible to prevent leakage and scattering. Moreover, since the processing agent X can be injected into the space 3, the asbestos 2 can be contained with the processing agent X.

Embodiment 3
The fixing device 50 that fixes the processing agent supply device 20, the exhaust device 30 or the air supply device 40, the glove box 10, the processing agent injection nozzle portion 21, the exhaust port portion 31, or the air injection nozzle portion 41 to the opening 4. Asbestos containment processing apparatus 1 constituted by the above may be used.
According to the third embodiment, the space 3 and the outside of the space 3 are blocked by the glove box 10 in the fixing operation of fixing the processing agent injection nozzle portion 21 and the exhaust port portion 31 or the air injection nozzle portion 41 to the opening 4. Therefore, it is possible to prevent the asbestos 2 from leaking from the space 3 to the outside of the space 3 and scattering. In addition, the treatment agent X can be injected into the space 3, and the asbestos 2 can be more effectively contained by exhausting by the exhaust device 30 or supplying air by the air supply device 40.

Embodiment 4
In the above description, the existing opening 4 provided in advance as an entrance to the space 3 is used as the opening, but the processing agent injection nozzle portion is in a state where the space 3 and the outside of the space 3 are blocked by the glove box 10. You may newly form the hole used as the opening part for inserting 21 etc. in the space 3 in partition plates, such as a ceiling board.
Also in the fourth embodiment, the space 3 and the outside of the space 3 can be blocked by the glove box 10 in the fixing operation for fixing the treatment agent injection nozzle portion 21 and the like to the opening 4. It can be prevented from leaking and scattering. Moreover, since the processing agent X can be injected into the space 3, the asbestos 2 can be contained with the processing agent X.

  In addition, as the treating agent X, a material capable of realizing asbestos containment may be used. A synthetic resin, an inorganic filler, a chlorinated paraffin, a cellulose swelling agent, a microorganism control agent, an organic solvent, and water are mixed in a predetermined ratio. A composition, a water-soluble binder, or other treatment agent may be used.

1 asbestos containment processing equipment, 2 asbestos, 3 spaces, 4 openings,
10 glove box (working box), 20 treatment agent supply device,
21 treatment agent injection nozzle part (treatment agent outlet part), 30 exhaust device, 31 exhaust port part,
40 Air supply device, 41 Air injection nozzle part (air outlet part), X treatment agent.

Claims (5)

In an asbestos containment method in which asbestos is contained by sending a treatment agent for containing asbestos into the space where asbestos is used.
A fixing operation for fixing the processing agent outlet portion of the processing agent supply device for supplying the processing agent into the space through the opening communicating with the outside of the space and the inside of the space is performed from the outside of the space. An asbestos containment method characterized by being performed using a work box that can be performed in a closed state. In an asbestos containment method in which asbestos is contained by sending a treatment agent for containing asbestos into the space where asbestos is used.
A fixing operation for fixing the processing agent outlet portion of the processing agent supply device for supplying the processing agent into the space through the opening communicating with the outside of the space and the inside of the space is performed from the outside of the space. In order to supply air into the space through the exhaust port and the opening of the exhaust device for exhausting the air in the space to the outside of the space through the opening. A fixing operation for fixing one or more of the air outlet portions of the air supply device to the opening portion is performed using a work box that can be performed in a state where the opening portion is closed from the outside of the space. How to contain asbestos.   The asbestos containment method according to any one of claims 1 and 2, wherein the opening is an existing opening provided in advance as an entrance to the space. In an asbestos containment processing device that contains a treatment agent to contain asbestos in a space where asbestos is used and contains asbestos,
A processing agent supply device for supplying a processing agent into the space through an opening communicating with the outside of the space and the inside of the space;
An asbestos containment process comprising: a work box capable of performing a fixing operation of fixing the treatment agent outlet portion of the treatment agent supply device to the opening portion while the opening portion is closed from the outside of the space. apparatus. In an asbestos containment processing device that contains a treatment agent to contain asbestos in a space where asbestos is used and contains asbestos,
A processing agent supply device for supplying a processing agent into the space through an opening communicating with the outside of the space and the inside of the space;
One or more of an exhaust device for exhausting air in the space to the outside of the space through the opening and an air supply device for supplying air into the space through the opening;
The fixing operation for fixing the processing agent outlet of the processing agent supply device to the opening can be performed in a state where the opening is closed from the outside of the space, and the exhaust port of the exhaust device and the air outlet of the air supply device An asbestos containment processing apparatus, comprising: a work box capable of performing a fixing operation for fixing one or more of the parts to the opening while the opening is closed from the outside of the space.

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