JP2011085001A - Storage method into storage bag under negative pressure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a storage method into a storage bag under negative pressure that can easily store substance in a shielding space into the closed storage bag provided at a shielding film even when applying negative pressure to the shielding space. <P>SOLUTION: The storage method is carried out by providing the shielding film 20 to face a wall surface 10 to which a noxious substance adheres, to form a working space 1 and the shielding space 2, placing the inside of the shielding space 2 into a negative pressure state to eliminate the noxious substance 11, and storing the eliminated noxious substance 11a from the shielding space 2 into the storage bag 43 provided on the working space 1 side. The method includes steps for wrapping the noxious substance 11a accumulated at the lower end with sheet-like members or bag-like members 50 in the shielding space 2, and pushing and storing the noxious substance 11a in a state of being wrapped in the sheet-like members or bag-like members 50, into the storage bag 43 provided at the shielding film 20. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a storage method in a storage bag under negative pressure, and more particularly to a method of shielding harmful substances from a work space and storing the harmful substances removed under negative pressure in a storage bag in the work space.

  For example, when removing or handling harmful substances such as asbestos or dioxin, for example, when existing materials with asbestos or other harmful substances attached are vertical walls, or destroying and removing asbestos-containing fireproof cladding It is necessary to prevent the diffusion of these harmful substances and prevent the worker from being affected by the harmful substances.

  For this reason, in the work to remove or handle harmful substances such as asbestos, for example, after covering the existing material with harmful substances covered with an airtight coating and performing pollution prevention treatment, work to prevent scattering to the outside The space is shielded with a sheet-like shielding film, and the air inside is exhausted with a suction machine equipped with a high-performance filter, and the inside of the shielding space is brought into a negative pressure state. There has been proposed a technique for removing harmful substances by operating a jig or the like inside the shielded shielding space.

However, when the existing object to which the harmful substance is attached is a vertical wall, the removed harmful substance falls and accumulates at the lower end of the shielding space. The hazardous substance is stored in a storage bag provided at the lower end of the shielding film (see JP 2009-113986 A column [0056]). However, the shielding space is in a negative pressure state, and the storage bag is also decompressed. Closed. Therefore, there is a problem that it is difficult to store harmful substances in the shielding space in the storage bag.
In addition, there is a problem that if the harmful substance is forcibly pushed into the closed storage bag, the storage bag may be damaged.

Japanese Patent Laid-Open No. 2009-113986 FIG.

  Therefore, an object of the present invention is to provide a storage bag under a negative pressure that can easily store a substance in the shielded space in a storage bag provided in a shielding film even when a negative pressure is applied to the shielded space. It is to provide a storage method.

  In order to solve this problem, the storage method in the storage bag under negative pressure according to the present invention provides a shielding film having an opening in a space to form a shielding space containing harmful substances and a space partitioned from the shielding space. In the state where the inside of the shielded space is under a negative pressure, the harmful substance is removed, and the removed harmful substance is stored in a storage bag provided on the working space side from the shielded space, Removing the harmful substance in a state of negative pressure in the shielding space; wrapping the removed harmful substance deposited on the shielding space side in the shielding space with a sheet-like member or a bag member; A step of pushing and storing the harmful substance wrapped in the sheet-like member or the bag member into a storage bag for discharging the harmful substance provided on the working space side so that the opening matches the opening of the shielding film. That Storage method of the storage bag under negative pressure to the butterflies.

  In one embodiment, the method for storing in a storage bag under negative pressure is that the storage bag is detachably attached to the other end opening side of a chute member having one end opening side attached to the first opening. It is a feature.

  In the storage method in the storage bag under negative pressure according to one embodiment, the first opening is slidable parallel to the bottom of the shielding space.

  In order to solve this problem, the storage method in the storage bag under the negative pressure of the second aspect of the invention is a shielding having a first opening and a second opening facing a wall surface to which harmful substances adhere. A working space and a shielding space are formed by providing a film, and the harmful substance is removed in a state where the inside of the shielding space is under a negative pressure, and the removed harmful substance is provided from the shielding space to the working space side. A method of storing in a storage bag through a second opening, wherein a working bag is provided in the first opening of the shielding film so as to protrude toward the shielding space in a state where the inside of the shielding space is set to a negative pressure. A step of removing the harmful substance through the sheet, a step of wrapping the removed harmful substance deposited at the lower end of the shielding space with a sheet-like member or a bag member in the shielding space, and a second opening of the shielding film Hazardous substance provided on the work space side with its opening matched A storage bag for output, via the second opening, is characterized by comprising the step of storing push the toxic substances in the state wrapped in the sheet-like member or bag member.

  According to this invention, the harmful substance removed in the shielding space is wrapped with the sheet-like member or the bag member, and the harmful substance in the state wrapped with the sheet-like member or the bag member is pushed into the storage bag and stored. The sheet-like member or the bag member is slippery, and the harmful substance wrapped in the sheet-like member or the bag member can be easily stored in the storage bag. In particular, the effect is exhibited when the storage bag is lying in the horizontal direction. Further, since the harmful substance wrapped in the sheet-like member or the bag member is pushed into the storage bag and stored, the storage bag is not damaged.

  According to the embodiment, since the storage bag is detachably attached to the other end opening side of the chute member having the one end opening side attached to the opening, the storage bag can be easily exchanged.

  In addition, according to the above embodiment, the first opening can slide in parallel with the bottom of the shielding space, so that harmful substances deposited on the bottom of the shielding space can be efficiently discharged.

According to the second invention, the harmful substance removed in the shielding space is wrapped with a sheet-like member or bag member, and the harmful substance in a state wrapped with the sheet-like member or bag member is pushed into the storage bag and stored. The shielding film and the sheet-like member or bag member are slippery, and the harmful substance wrapped in the sheet-like member or bag member can be easily stored in the storage bag. In particular, the effect is exhibited when the storage bag is lying in the horizontal direction.
Further, since the harmful substance wrapped in the sheet-like member or the bag member is pushed into the storage bag and stored, the storage bag is not damaged.
In addition, since the harmful substance is removed through the working bag provided in the first opening of the shielding film so as to protrude toward the shielding space, the worker who performs the removal work can be safely prevented from being exposed to the harmful substance. Can work.

Hereinafter, the present invention will be described in detail with reference to the drawings.
FIG. 1 is a partially broken perspective schematic perspective view for explaining a space structure forming a harmful substance shielding space in a preferred embodiment of the present invention.
FIG. 2A is a schematic front view illustrating the structure of the opening portion of the shielding film forming the harmful substance shielding space in a preferred embodiment of the present invention, and FIG. FIG.
FIG. 3 is a schematic cross-sectional view showing a harmful substance shielding space in a preferred embodiment of the present invention.
FIG. 4 is a schematic cross-sectional view showing a state when the hazardous substance shielding space in the preferred embodiment of the present invention is in a negative pressure state.
FIG. 5 is a schematic cross-sectional view showing a state in which the harmful substance is removed in the state of FIG. 4 and the harmful substance is deposited in the lower part of the shielding space.
FIG. 6 is a schematic cross-sectional view showing a state in which harmful substances accumulated in the lower part of the shielding space are wrapped with a sheet-like member or the like.
FIG. 7 is a schematic cross-sectional view showing a state in which a harmful substance wrapped with a sheet-like member or the like is pushed into a storage bag.
FIG. 8 is a schematic cross-sectional view showing a state in which a storage bag containing a harmful substance wrapped with a sheet-like member or the like is separated from a shielding film.

FIG. 1 is a partially broken perspective schematic perspective view for explaining a space structure forming a harmful substance shielding space in a preferred embodiment of the present invention.
First, as shown in FIG. 1, for example, in an indoor space of a building, a working space 1 on the side of removing the sprayed asbestos 11 that is a harmful substance remaining attached to the wall 10, and the worker A shielding film 20 is provided to partition the work space so as not to be exposed to 11 and form the shielding space 2 on the wall side. The shielding film 20 is attached in a sealed state across the floor 12, the ceiling 13, the left and right walls, and the like so as to face the wall to which asbestos adheres and to be spaced apart from the wall by a predetermined distance. As a result, the asbestos 11 can be efficiently obtained without the worker entering the shielding space 2 on the side where the removal work is performed and without splashing harmful substances in the working space 1 outside the shielding space 2. Can be removed.

  The shielding space 2 on the removal work side is connected to a suction device 15 with a filter equipped with a high-performance filter through an exhaust hole 21 and an exhaust hose 14 formed at one end in the left-right direction of the shielding film 20. is doing. By controlling the suction device 15 with the filter, the inside of the shielded space 2 can be maintained in a negative pressure state so that the sprayed asbestos 11 that is a harmful substance does not scatter to the outside of the shielded space 2. It is like that. Further, the shielding film 20 at the other end in the left-right direction is provided with an intake port 22 to allow fresh air to flow into the shielding space 2 and to make the inside of the shielding space 2 excessively negative pressure. Thus, a measure is taken to prevent the shielding film 20 and the like from being damaged. In FIG. 1 and the following drawings, the shielding film 20 displays a plane, but when the shielding space 2 is set to a negative pressure, it is curved toward the shielding space 2 side. Then, the shielding space 2 is secured while the degree of bending is reduced by pulling it toward the working space 1 by appropriate means (not shown).

  The shielding film 20 is made of a sheet-like member made of, for example, a transparent synthetic resin having airtightness and flexibility.

  The shielding film 20 is extended along the surface of the wall 10 on the indoor side, for example, and the peripheral portion of the shielding film 20 is bonded to the floor 12, the ceiling 13, both side walls, etc. with an adhesive or an adhesive. At the same time, it is fixed with fixing pillars (not shown) and tightly joined to the floor 12, the ceiling 13 and the left and right walls in an airtight state, for example, thereby forming a continuous shielding space 2 along the wall 10, for example. The work space 1 and the shielded space 2 where workers can enter are provided in an airtightly shielded state.

  Moreover, as shown in FIG. 1 and FIG. 3, the opening part which the bag-like member 40 is attached to the said shielding film 20 which forms the shielding space 2 in the working space 1 on the working side and the wall 10 side to which asbestos adheres. 23 (23a, 23b) is formed in an opening, and the opening 23 is slidable in the sliding direction X with the horizontal direction along the ceiling 13 as the sliding direction X. Therefore, the bag-like member 40 is also slidable in the sliding direction X. Of the openings 23, 23 a is a plurality of work openings that are first openings, one of which is provided at the lower end of the shielding space 2. Reference numeral 23b denotes a discharge opening which is a second opening for discharging the removed asbestos from the shielding space 2 to the work space 1, and the opening 23a is provided at the lower end of the shielding space 2. It is provided in the vicinity.

  Further, as shown in FIG. 1, the shielding film 20 has, for example, fasteners 25 having a length extending over both ends in the left-right direction of the wall 10 at an arbitrary position. The fastener 25 has flexibility. As shown in FIG. 2a, the fastener 25 includes a flexible tape portion 26a and a tape portion 26b. One end edge of the tape portion 26a is attached with a flexible engaging rail portion 27a, and the other end of the tape portion 26a is connected to the sheet member of the shielding film 20a. The tape 26b has a flexible engagement rail portion 27b attached to one end edge thereof, and a sheet member of the shielding film 20b connected to the other end. That is, in the fastener 25, the tape 26a and the tape 26b are paired, the meshing rail portion 27a and the meshing rail portion 27b are meshed, the shielding films 20a and 20b are continuous, and airtight. Is bound to. Then, the shielding films 20a and 20b can be separated by releasing the meshing between the meshing rail portion 27a and the meshing rail portion 27b.

  Further, sliders 32 and 33 are attached to the middle portion of the fastener 25 with the open portions 32a and 33a facing each other. Opposite sides of the open portions 32a and 33a are closed portions 32b and 33b. By the closing portions 32b and 33b of the sliders 32 and 33, the meshing rail portion 27a and the meshing rail portion 27b are meshed, and the shielding film 20a and the shielding film 20b are coupled via the meshing rail portions 27a and 27b. At the same time, the meshing rail portions 27a and 27b are opened by the opening portions 32a and 33a of the sliders 32 and 33, so that the shielding film 20a and the shielding film 20b can be separated.

  The meshing rail portions 27 a and 27 b between the open portions 32 a and 33 a facing the sliders 32 and 33 are separated from each other to form an opening 23 in the shielding film 20.

  As shown in FIG. 2B, the meshing rail portions 27 a and 27 b in the opening 23 have meshing rails 28 a and 28 b meshing with the meshing rail portions 27 a and 27 b in the full width of the opening 23. It is attached in an airtight manner. The meshing rails 28a and 28b have flexibility. The meshing rails 28a and 28b are slidable in the longitudinal direction with respect to the meshing rail portions 27a and 27b.

  And the base end opening edge 41 of the said bag-shaped member 40 is joined to the said meshing rails 28a and 28b. Therefore, the bag-like member 40 is slidable in the sliding direction X along the fastener 25 via the meshing rails 28a and 28b. As shown in FIG. 2 (b), the bag-like member 40 is a working bag-like member 42 having a glove-like bottom or a simple bottomed bag-like storage bag 43. As shown in FIG. 3, the storage bag 43 includes a chute portion 43a on the opening edge 41 side and a storage portion 43b on the bottom side. The chute portion 43a has a penetrating cylindrical shape, and the opening side of the storage portion 43b is covered with the chute portion 43a by a joint portion 43c. The chute portion 43a and the storage portion 43b are bonded by, for example, an adhesive tape at a joint portion 43c and are detachably joined. The shape of the working bag-like member 42 may be, for example, a glove shape with one hand, a glove shape with both hands, or the upper body shape of a doll.

In the above, the fastener has been described as a fastener commonly referred to as a rail fastener made of meshing rails, but may be a fastener whose meshing portion is a service tooth.
Further, the work opening 23 a may not be provided in the shielding film 20. In this case, the worker wears protective clothing and enters the shielded space 2 to perform work.
Further, the harmful substance 11 to be removed may not be asbestos sprayed on the wall, but may be an asbestos-containing refractory cladding tube, an asbestos-containing fixing stand for piping, a virus in an isolation room of a hospital or the like.

  In the above configuration, as shown in FIG. 3, the glove-shaped work bag-like member 42 is attached to the work opening 23a of the shielding film 20, and the storage bag 43 is attached to the discharge opening 23b. Then, the working bag-like member 42 is pushed into the shielding space 2 side. In this state, when the suction with a filter 15 having a high-performance filter is used to suck with a large suction force through the exhaust hole 21 and the exhaust hose 14 formed in the shielding film 20, the shielding space 2 is in a negative pressure state. become. Then, as shown in FIG. 4, the working bag-like member 42 closes and loses its space volume, but when the working bag-like member 42 is pushed into the shielding space, it expands into a glove shape. The storage bag 43 closes and loses its space volume and lies on the floor 12.

  In this state, the worker in the work space 1 puts one hand or both hands into the working bag-like member 42. Then, in the shielding space 2, the harmful substance 11 such as asbestos adhering to the wall 10 is removed using an appropriate jig through the working bag-like member 42. Then, the removed harmful substance 11a falls and accumulates on the bottom of the shielding space 2 in the form of powder or lump as shown in FIG.

  Next, as shown in FIG. 6, an operator can remove harmful substances 11 a such as asbestos deposited in the bottom of the shielded space 2 in the work space 1 at the lower end of the shielded space 2. A hand is inserted into the working bag-like member 42 attached to 23a, and the bag member 50 that has been separately inserted into the shielding space 2 is packed by the appropriate means through the working bag-like member 42. . Instead of the bag member 50, a simple sheet-like member may be used, and the harmful substance 11a may be wrapped with the sheet-like member. Further, it is desirable that the bag member 50 and the sheet-like member are made of resin because they are slippery.

  Next, as shown in FIG. 7, the worker pushes the harmful substance 11a packed in the bag member 50 into the closed storage bag 43 through the discharge opening 23b. .

  Next, when the hazardous substance 11a packed in the bag member 50 is sufficiently stored in the storage bag 43 by an operator, for example, in the work space 1 at the position of the chute member 43a as shown in FIG. The discharge opening 23b is closed in an airtight manner between the two rod members 45. Then, the chute member 43a side of the storage portion 43b is closed in an airtight manner by means of welding 46, for example. Further, the adhesive tape of the joint portion 43c at the intermediate portion where the discharge opening 23b and the storage portion 43b are closed is peeled off, and the storage portion 43b storing the harmful substance 11a is removed from the chute member 43a. The removed storage portion 43b, that is, the storage bag 43 is discarded.

  In addition, in the above, although the said storage bag 43 was comprised with the said chute | shoot part 43a and the said accommodating part 43b, the said chute | shoot part 43a does not need and you may make it another structure.

  According to this invention, the harmful substance removed in the shielding space 2 is wrapped in the bag member 50, and the harmful substance 11a in the state of being wrapped in the sheet-like member or bag member 50 is stored in the storage bag 43 (43b). Since it is pushed in and stored, the bag member 50 and the storage bag 43 (43b) are made of resin and are slippery and can be stored easily. In particular, the effect is exhibited when the storage bag 43 (43b) lies in the horizontal direction. Further, since the harmful substance 11a wrapped in the bag member 50 is pushed into the storage bag 43 (43b) and stored, the bag member 50 has no protrusion and the storage bag 43 ( 43b) will not be damaged.

  Further, according to the present invention, the storage bag storage bag 43 (43b) is detachably attached to the other end opening side of the chute member 43a having one end opening side attached to the discharge opening 23b. The storage bag storage bag 43 (43b) can be easily replaced.

  In addition, according to the present invention, the discharge opening 23b can slide parallel to the bottom of the shielded space 2, so that the harmful substance 11a deposited on the bottom of the shielded space 2 can be efficiently discharged. it can.

  In addition, according to the present invention, since the harmful substance 11 is removed through the working bag 42 provided in the working opening 23a of the shielding film 23 so as to protrude toward the shielding space 2, the worker performing the removing work. Can work safely without being exposed to the harmful substance 11a.

It is a partially broken perspective perspective view schematically illustrating a spatial structure forming a harmful substance shielding space in a preferred embodiment of the present invention. (A) It is the schematic front view which illustrates the structure of the opening part of the shielding film which forms the harmful substance shielding space in preferable embodiment of this invention, (b) is the schematic illustration along BB of (a). It is sectional drawing. 1 is a schematic cross-sectional view showing a harmful substance shielding space in a preferred embodiment of the present invention. 1 is a schematic cross-sectional view showing a state when a harmful substance shielding space in a preferred embodiment of the present invention is in a negative pressure state. FIG. 5 is a schematic cross-sectional view showing a state in which harmful substances are removed in the state of FIG. 4 and the harmful substances are deposited below the shielding space. It is a schematic sectional drawing which shows the state which wraps the harmful substance deposited on the lower part of shielding space with a sheet-like member. It is a schematic sectional drawing which shows the state which pushed in the harmful | toxic substance wrapped with the sheet-like member etc. in the storage bag. FIG. 6 is a schematic cross-sectional view showing a state in which a storage bag containing a toxic substance wrapped with a sheet-like member is separated from a shielding film.

1 Work space 2 Shielded space 11 Hazardous substance 11a Hazardous substance 11a removed
20 shielding film 23 opening 23a work opening 23b discharge opening 25 fastener 42 work bag-like member 43 storage bag 50 bag member

Claims (4)

Providing a shielding film having an opening in the space to form a shielding space containing a harmful substance and a space partitioned from the shielding space, and removing the harmful substance in a state where the inside of the shielding space is under a negative pressure; A method of storing the removed harmful substance in a storage bag provided on the working space side from the shielding space,
Removing the harmful substance in a state where the inside of the shielded space is under negative pressure;
Wrapping the removed harmful substance deposited on the shielding space side with a sheet-like member or a bag member in the shielding space;
A step of pushing and storing the harmful substance wrapped in the sheet-like member or the bag member into a storage bag for discharging the harmful substance provided on the working space side so that the opening matches the opening of the shielding film. A storage method in a storage bag under negative pressure. In the storage method to a storage bag under the negative pressure of Claim 1,
The method for storing the storage bag in a storage bag under negative pressure, wherein the storage bag is detachably mounted on the other end opening side of the chute member having one end opening side attached to the opening. In the storage method to a storage bag under the negative pressure of Claim 1 or Claim 2,
The opening can be slid in parallel to the bottom of the shielded space, and is stored in a storage bag under negative pressure. In a state where a shielding film having a first opening and a second opening is provided to face a wall surface to which a harmful substance adheres to form a work space and a shielding space, and the inside of the shielding space is set to a negative pressure, It is a method for removing harmful substances and storing the removed harmful substances from the shielding space in a storage bag provided on the working space side through a second opening,
Removing the harmful substance through a working bag provided projecting toward the shielding space in the first opening of the shielding film in a state where the inside of the shielding space is set to a negative pressure;
Wrapping the removed harmful substance deposited at the lower end of the shielding space with a sheet-like member or a bag member in the shielding space;
Wrapped with the sheet-like member or bag member through the second opening in a storage bag for discharging harmful substances provided on the working space side so that the opening matches the second opening of the shielding film. A method for storing in a storage bag under negative pressure, the method comprising: pushing in and storing the harmful substance in a state.

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