JP2000083560A - Fumigation equipment - Google Patents

Abstract

(57) [Summary] [Problem] To easily perform fumigation work of a storage. SOLUTION: A sleeve 21 is inserted into a through hole 20 formed in a door body 12 of a storage cabinet door device, and a plug 30 for closing a warehouse outside opening 21a of the sleeve 21 is detachably attached. A gate 36 for opening and closing the inside opening 21b of the sleeve 21 is rotatably supported at one end of the gate 36 on a pin 37 of the support frame 35, and a free end of the gate 36 has an inside flange of the sleeve 21 attached thereto. A male screw member 38 to be screwed into the female screw portion 39 opened at 24 is rotatably attached. During fumigation, the male screw member 38 is removed from the female screw portion 39 and the gate 36 is opened. Subsequently, a medication hose is attached to the outer end of the sleeve 21 to supply fumigation gas into the storage. [Effect] Since fumigation gas can be directly supplied to the storage through the sleeve, fumigation can be performed without having to carry out the storage to the outside of the storage.
Fumigation work can be performed easily.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fumigating device,
The present invention relates to a technology provided in a fumigation room itself, for example, to a technology effective for use in a storage of an art museum or a museum storing valuable cultural properties.

[0002]

2. Description of the Related Art A variety of valuable items are stored in a store such as an art museum or a museum, and regular fumigation is required to protect the items from damages such as molds and pests. If the fumigation operation is carried out in a dedicated fumigation apparatus by carrying out the stored items in the storage, not only the work efficiency is reduced, but also valuable stored items may be damaged during transportation.

Therefore, as described in, for example, Japanese Utility Model Publication No. 4-844, a fumigation gas is injected into a storage itself storing valuable storage items through a fumigation hatch for the storage, thereby storing the valuable storage from the storage fumigation hatch. Methods have been proposed for fumigation without carrying the goods out.

Japanese Utility Model Publication No. 4-844 discloses the following fumigation hatch for storage. That is, the fumigation hatch for the storage has a sleeve attached to the hatch attachment point of the storage, and a column-shaped fire-resistant valve is detachably attached to the sleeve via packing, and the fire-resistant valve is inside the storage. It is configured to be fixed from the inside of the refrigerator by a fixing member arranged in the container.

[0005]

In the fumigation hatch for storage described above, it is necessary to remove the fixing member from the fireproof valve inside the storage and then pull out the fireproof valve from the sleeve outside the storage during fumigation. Therefore, the fumigation work is troublesome, and the fixing member is in a separated state, so that it is easy to forget to attach and easily lose it.

An object of the present invention is to provide a fumigating apparatus that can simplify a fumigation operation.

[0007]

A fumigating apparatus according to the present invention comprises a sleeve inserted through a through hole formed in a door or a wall which partitions the inside and outside of a fumigation chamber, and a sleeve which is attached to and detached from an outdoor opening of the sleeve. It has a plug that can be freely attached, and a gate that opens and closes the indoor opening of the sleeve. One end of the gate is rotatably supported on the shaft, and an engaging member is attached to its free end. It is characterized by being.

In the above means, when the fumigation operation is performed, the plug is detached from the sleeve in a state where the engagement member is disengaged from the gate. Subsequently, if a hose is attached to the outdoor end of the sleeve, the supply and ventilation of the fumigating chemical to the fumigation target chamber can be performed through the sleeve. At this time, since the gate is rotated and opened, the fumigation operation can be easily performed.

After the fumigation operation, the plug is attached to the outer opening of the sleeve, and the inner opening of the sleeve is closed by the gate. At this time, the gate is rotatably supported on the inside of the sleeve, so that the gate is prevented from being lost or forgotten to be closed.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A fumigating apparatus according to an embodiment of the present invention will be described below with reference to the drawings.

In the present embodiment, the fumigating apparatus according to the present invention is configured as a fumigating apparatus for fumigating the storage 1, and as shown in FIG. Of the door device 10. The door device 10 includes a pair of doors 11 and 12 on the left and right sides.
1 and 12 are formed in a rectangular plate shape having a size to close the opening 3 by being combined with each other.
Is built in an opening 3 which is formed in a substantially square shape on the rising wall 2 and has a double door. Left door 11
Is rotatably supported by a hinge 13, the right side of the right door 12 is rotatably supported by the hinge 13, and the right side of the left door 11 and the left side of the right door 12 are connected to each other. The openings 3 are closed by the combination.

At the right end of the right side door 12 as a door partitioning the inside and outside of the storage 1 as a fumigation room, a dosing hatch 14 and a sampling hatch 15 as a fumigating device are provided. Are provided vertically, and an air supply hatch 16 and an exhaust hatch 17 are provided below them. Right and left clamp handles 18 and 19 are mounted at the height of the joint of the left and right doors 11 and 12 facing the human torso, respectively.

Since the dosing hatch 14 and the sampling hatch 15 as the fumigating device have the same structure, the structure will be described with the dosing hatch 14 as a representative.

As shown in FIGS. 2 to 4, the dosing hatch 14 includes a sleeve 21 made of stainless steel or the like and formed in a cylindrical shape having flanges at both ends. The right-side door 1 as a door that partitions the inside and outside of the storage 1 that is the fumigation chamber
2, and is fixed to the through-hole 20 by an adhesive (not shown) serving also as a sealant applied to the outer periphery of the cylinder. A flange (hereinafter, referred to as a warehouse outside flange) 23 arranged outside the warehouse of the main body 22 is
The outer flange 23 is formed in a disk shape having an outer diameter sufficiently larger than the outer diameter of the main body 22, and the thickness of the outer flange 23 is set thicker. A flange 24 (hereinafter, referred to as a warehouse inner flange) arranged inside the warehouse of the main body 22 is a main body 2.
2 is formed in a square flat plate shape having an outer diameter larger than the outer diameter of the outer flange 23 and smaller than the outer diameter of the outer flange 23, and the inner flange 24 is also set to be thicker.

2 to 4, the outer flange 23 and the inner flange 24 are shown integrally with the main body 22, but the outer flange 23 and the inner flange 24 are manufactured separately from the main body 22. Then, it is configured to be fixed to the main body 22 or the door body 12 by welding or screwing.

A seal ring 25 is laid on the outer end face of the outer flange 23 so as to surround the outer opening 21 a of the sleeve 21. The seal ring 25 is formed in a circular ring shape with a circular cross section from neoprene rubber or the like. A plurality of (four in the present embodiment) female screw portions 26 are arranged outside the seal ring 25 on the outer end surface of the outer flange 23 at equal intervals in the circumferential direction and are opened in the thickness direction. A male screw member 27 is screwed into each female screw portion 26. A detent recess 28 is formed on the inner periphery of the outer end of the sleeve 21, and a detent recess 29 of a plug 30 detachably attached to the outer opening 21 a of the sleeve 21 is formed in the detent recess 28. Are engaged.

The plug 30 has a cylindrical main body 31 and a plate 32 fixed to be perpendicular to the outer end face of the main body 31. The main body 31 is formed in a fire-resistant structure by filling a filler 31b such as mortar or concrete into a cylinder 31a formed of stainless steel, and the outer diameter of the main body 31 is slightly smaller than the inner diameter of the sleeve 21. Is set. The plate 32 is made of stainless steel, is formed in a disk shape having an outer diameter equal to the outer diameter of the outer flange 23, and is fixed to the main body 31 by welding or the like. A plurality of insertion holes 33 for inserting the male screw member 27 are arranged in the plate 32 at positions corresponding to the female screw portions 26 of the outside flange 23 and are opened in the thickness direction. The plate 32 is provided with a handle 30A for facilitating the handling of the plug 30.

A seal ring 34 is laid on the inner end surface of the inner flange 24 so as to surround the inner opening 21 b of the sleeve 21. The seal ring 34 is formed in a circular ring shape with a circular cross section from neoprene rubber or the like. A square support frame 35 is fixed to the side surface of the right door body 12 concentrically with the sleeve 21.
A gate 36 for opening / closing the inside opening 21b of the sleeve 21 is rotatably supported on the sleeve 5. That is, the gate 36 is formed in the shape of a square plate slightly smaller than the inner shape of the support frame 35 and is built in the support frame 35.
The support frame 35 is rotatably supported in a horizontal plane by a pair of pins 37, 37 disposed at one end at the top and bottom of the support frame 35.

A pair of male screw members 38 as engagement members are vertically symmetrically arranged at ends of the gate 36 opposite to the two pins 37, 37, and both male screw members 38, 38 are connected to the gate 36. It is rotatably supported. Each female screw portion 39 is opened at a position facing the two male screw members 38 on the inner end surface of the inner flange 24, and the male screw member 38 is screwed into each female screw portion 39. When the male screw member 38 is screwed into the female screw portion 39, the gate 36 is pressed against the seal ring 34 to compress and deform the seal ring 34, thereby closing the inside opening 21b of the sleeve 21. Become.

Since the air supply hatch 16 and the exhaust hatch 17 as the fumigating device have the same structure,
The configuration will be described using the air supply hatch 16 as a representative.

As shown in FIGS. 5 to 8, the air supply hatch 16 has a cylindrical sleeve 41 made of stainless steel or the like and having flanges at both ends. The right-side door 1 as a door that partitions the inside and outside of the storage 1 that is the fumigation chamber
2, and is fixed to the through-hole 40 by an adhesive (not shown) serving also as a sealant applied to the outer periphery of the cylinder. The sleeve 41 and the through hole 40 are sufficiently larger than the sleeve 21 and the through hole 20 of the dosing hatch 14 so that the supply hatch 16 cooperates with the exhaust hatch 17 to efficiently ventilate the storage 1. Large aperture is set.

A flange 43 (hereinafter, referred to as a warehouse outside flange) arranged outside the body of the main body 42 of the sleeve 41.
Is formed in a disk shape having an outer diameter larger than the outer diameter of the main body 42, and the thickness of the outer flange 43 is set to be thicker. A flange 44 (hereinafter, referred to as a warehouse inner flange) arranged inside the warehouse of the main body 42 is a main body 42.
Is formed in a square flat plate shape having an outer diameter larger than the outer diameter of the storage outside flange 43 and smaller than the outer diameter of
The thickness of the inside flange 44 is also set to be relatively large.

For convenience, the outer flange 43 and inner flange 44 are shown integrally with the main body 42 in FIGS. 5 to 8, but the outer flange 43 and inner flange 44 are manufactured separately from the main body 42. Then, it is configured to be fixed to the main body 42 or the door body 12 by welding or screwing.

A seal ring 45 is laid on the outer end face of the outer flange 43 so as to surround the outer opening 41 a of the sleeve 41. The seal ring 45 is formed in a circular ring shape having a circular cross section by neoprene rubber or the like. A plurality of (four in the present embodiment) female screw portions 46 are arranged outside the seal ring 45 on the outer end surface of the outer flange 43 and arranged at equal intervals in the circumferential direction, and are opened in the thickness direction. A male screw member 47 is screwed into each female screw portion 46. A non-rotating recess 48 is formed on the inner periphery of the outer end of the sleeve 41, and the non-rotating recess 48 is formed in the non-rotating recess 48 of a plug 50 detachably attached to the outer opening 41 a of the sleeve 41. Are engaged.

The plug 50 has a cylindrical main body 51 and a plate 52 fixed so as to be orthogonal to the outer end face of the main body 51. The main body 51 is formed in a fire-resistant structure by filling a filler 51b such as mortar or concrete into a cylinder 51a formed of stainless steel, and the outer diameter of the main body 51 is slightly smaller than the inner diameter of the sleeve 41. Is set. The plate 52 is made of stainless steel, is formed in a disk shape having an outer diameter equal to the outer diameter of the warehouse outside flange 43, and is fixed to the main body 51 by welding or the like. The plate 52 is provided with a plurality of insertion holes 53 for inserting the male screw members 47 at positions corresponding to the female screw portions 46 of the outer flange 43 and is opened in the thickness direction. On the plate 52, a handle 50A for facilitating the handling of the plug 50 is provided.

A seal ring 54 is laid on the inner end surface of the inner flange 44 so as to surround the inner opening 41 b of the sleeve 41. The seal ring 54 is formed in a circular ring shape with a circular cross section from neoprene rubber or the like. A square support frame 55 is fixed to the side surface of the right door 12 concentrically with the sleeve 41.
A gate 56 for opening and closing the inner side opening 41b of the sleeve 41 is rotatably supported on the 5. That is, the gate 56 is formed in the shape of a square plate slightly smaller than the inner shape of the support frame 55 and is built in the support frame 55,
The support frame 55 is rotatably supported in a horizontal plane by a pair of pins 57, 57 disposed above and below one end of the support frame 55.

A pair of male screw members 58 as engaging members are vertically and symmetrically arranged at ends of the gate 56 opposite to the two pins 57, 57, and both male screw members 58, 58 are connected to the gate 56. It is rotatably supported. Female screw portions 59 are respectively formed at positions facing the two male screw members 58, 58 on the inner end surface of the inner flange 44, and the male screw members 58 are adapted to be screwed into the respective female screw portions 59. When the male screw member 58 is screwed into the female screw portion 59, the gate 56 is pressed against the seal ring 54 to compress and deform the seal ring 54, thereby closing the inside opening 41b of the sleeve 41. Become.

Next, the operation of the fumigation apparatus will be described for the fumigation operation of the storage.

First, on the inner side of the door body 12 on the right side, male screw members 38 and 58 as engaging members of the gates 36 and 56 of the hatches 14, 15, 16 and 17 and female screw portions 39 and
The screw engagement with 59 is released, and each hatch 14, 15, 16,
The 17 gates 36, 56 are opened. Subsequently, the left and right doors 11 and 12 are sealed.

Subsequently, as shown in FIG. 4, the plug 30 of the medication hatch 14 is pulled out from the sleeve 21, and the flange 62 of the medication hose 61 is attached to the female outer flange 23 by the female screw portion 26 and the male screw member 27. It is concluded using. When fastened, the flange 62 of the dosing hose 61 is in a state where the seal ring 25 of the outer flange 23 is compressed and deformed, so that the dosing hose 61 is fluidly connected to the sleeve 21 in a sealed state. Become. The other end of the dosing hose 61 is a fumigation gas supply device (not shown) for supplying an ethylene oxide-based or methyl bromide-based fumigation gas.
Fluidly connected to the As shown in FIG. 4, when the gate 36 is pushed open by inserting a part of the medication hose 61 into the sleeve 21, the gate 36 can be reliably opened.

Although not shown, the sampling hatch 15
Is similarly fluidly connected to a sampling hose. The other end of the sampling hose is fluidly connected to a fumigation gas concentration measurement device.

In the air supply hatch 16, as shown in FIG. 8, the plug 50 is pulled out of the sleeve 41, and the flange 72 of the air supply hose 71 is attached to the female outer flange 43 by the female thread 46 and the male screw. It is fastened using the member 47. When fastened, the flange 72 of the air supply hose 71 is in a state in which the seal ring 45 of the outer flange 43 is compressed and deformed, so that the air supply hose 71 is fluidly connected to the sleeve 41 in a sealed state. Will be. The other end of the air supply hose 71 is fluidly connected to a discharge port of a blower (not shown). When the gate 56 is pushed open by inserting a part of the air supply hose 71 into the sleeve 41 as shown in FIG.
Can be reliably opened.

Although not shown, an exhaust hose is similarly fluidly connected to the exhaust hatch 17. The other end of the exhaust hose is fluidly connected to a fumigation gas waste treatment device.

After the preparation work such as the filling of the gap is completed as required, the fumigating gas is supplied from the fumigating gas supply device into the storage 1 as the fumigation chamber through the dosing hose 61 and the sleeve 21 of the dosing hatch 14. Sent in.

After a predetermined time has elapsed, the blower is operated, and the interior of the storage 1 is ventilated through the air supply hose 71, the sleeve 41 of the air supply hatch 16, the sleeve 41 of the exhaust hatch 17, and the air discharge hose.

After the concentration of the fumigation gas in the storage 1 is measured through the sampling hatch 15 and it is confirmed that the inside of the storage 1 is sufficiently ventilated, the dosing hose 61 connected to the dosing hatch 14 is used. Is removed. continue,
As shown in FIG. 2, the main body 31 of the plug 30 of the dosing hatch 14 is inserted into the outside opening 21 a of the sleeve 21, and the plate 32 of the plug 30 is fastened by the female screw portion 26 and the male screw member 27. Once concluded,
Since the plate 32 is in a state where the seal ring 25 is compressed and deformed, the plug 30 is in a state of sealing the sleeve 21. Further, since the main body 31 of the plug 30 fills the inner space of the sleeve 21, the fireproof structure of the sleeve 21 is maintained.

Although not shown, the sampling hatch 15
The plug 30 is similarly fastened to the sleeve 21.

On the other hand, as shown in FIG. 5, the main body 51 of the plug 50 of the air supply hatch 16 is inserted into the outside opening 41a of the sleeve 41, and the plate 52 of the plug 50 is inserted.
Are fastened by the female screw portion 46 and the male screw member 47. When fastened, the plate 52 is in a state where the seal ring 45 is compressed and deformed, so that the plug 50 is in a state of sealing the sleeve 41. Also, the main body 5 of the plug 50
1 is a state in which the inside space of the sleeve 41 is filled,
The fire prevention structure of the sleeve 41 is maintained.

Although not shown, the plug 50 is similarly fastened to the sleeve 41 of the exhaust hatch 17.

Thereafter, the right door 12 is opened, and the gates 36, 56 of the hatches 14, 15, 16, 17 are closed. When the male screw members 38, 58 of the gates 36, 56 are fastened to the female screw portions 39, 59, the gates 36, 56 are in a state where the seal rings 34, 54 are compressed and deformed. A state is obtained in which the inside opening 21b, 41b of 41 is sealed.

As described above, according to this embodiment, when fumigation is not performed, the outside opening of the sleeve is closed by the plug, and the inside opening of the sleeve is closed by the gate, so that the door device of the storage can be opened. Can be sealed, so that the airtightness of the storage can be maintained even if the fumigation device is provided in the door device. On the other hand, when fumigating, the plug is removed, the outer opening of the sleeve is opened, and the gate is rotated to open the inner opening, so that fumigation gas can be supplied through the sleeve and ventilation can be ensured. In addition, the inside of the storage can be fumigated in a lump, and the operation of fumigation of the stored items in the storage can be easily performed.

In addition, the structure of the fumigating device is simple, and it can be provided at a low cost on the door device of the storage. In addition, during fumigation work, the gate is still supported by the inner opening of the sleeve, so the gate may be lost,
It is possible to prevent forgetting to close the gate.

It should be noted that the present invention is not limited to the above-described embodiment, but may be modified without departing from the scope of the invention.
It goes without saying that various changes can be made.

For example, the pins 37, 5 of the gates 36, 56
7, the gates 36, 56 are automatically opened when the engagement of the engaging members is released.
6 can be kept open and forgetting to close after the end of fumigation can be reliably prevented.

The engaging members of the gates 36 and 56 are connected to the gate 3
Sleeves 21, 41 inside the sleeves at 6, 56
The gates 36 and 56 can be opened and closed from the outside of the refrigerator by arranging the gates so that they can be operated from the outside of the refrigerator. It is possible to avoid occurrence of redoing of the seaming work or the like due to forgetting to open. In this case, it is desirable that the engaging member is constituted by a latch device, a latch device, or the like that can be operated by one touch.

The gate is not limited to being rotatably supported on the support frame, but may be directly and rotatably supported on the inner flange of the sleeve.

In the above embodiment, the case where the fumigation device is provided on the door device of the storage is described. However, the fumigating device can be provided on the wall of the storage. That is, the sleeve may be inserted into a through hole formed in a wall partitioning the inside and outside of the storage.

Also, the case where the present invention is applied to a storage is described, but the present invention is not limited to this, and a storage or a safe for storing valuables, an ammunition or an explosive storage for storing ammunition, explosives and medicines. And it can be applied to the whole fumigation room such as medicine storage. In particular, the present invention can obtain excellent effects when applied to a fumigation target room where it is difficult to take out stored items outside the room and fumigation is required.

[0049]

As described above, according to the present invention,
It is difficult to take out the stored items and the stored items outside the room, and it is possible to simplify the fumigation work for the fumigation target room that requires fumigation.

[Brief description of the drawings]

FIG. 1 shows a storage in which a fumigating apparatus according to an embodiment of the present invention is used, wherein (a) is a front view and (b) is a side sectional view.

FIG. 2 is a plan sectional view showing a dosing hatch in which a fumigating apparatus is used.

FIG. 3A is a partially cut front view, and FIG. 3B is a partially cut back view.

FIG. 4 is a plan sectional view showing the same operation.

FIG. 5 is a plan sectional view showing an air supply hatch in which a fumigating apparatus is used.

FIG. 6 is a partially cut front view.

FIG. 7 is a partially cutaway rear view.

FIG. 8 is a plan sectional view showing the same operation.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Storage (fumigation room), 2 ... Standing wall, 3 ... Opening, 10 ... Door device, 11, 12 ... Door body, 13 ... Hinge,
14: hatch for administration, 15: hatch for sampling, 1
6 ... air supply hatch, 17 ... exhaust hatch, 18, 19 ...
Clamp handle, 20: through-hole, 21: sleeve, 21
a ... Outside opening of warehouse, 21b ... Inside opening of warehouse, 22 ... Main body, 2
3 ... Outside warehouse flange, 24 ... Outside warehouse flange, 25 ... Seal ring, 26 ... Female thread part, 27 ... Male thread member, 28
... detent recess, 29 ... detent projection, 30 ... plug,
30A: handle, 31: body, 31a: cylinder, 31b: filler, 32: plate, 33: insertion hole, 34: seal ring, 35: support frame, 36: gate, 37: pin, 38
... male screw member, 39 ... female screw part, 40 ... through-hole, 41 ... sleeve, 41a ... warehouse outside opening, 41b ... warehouse inside opening, 4
2 Body, 43 Outer flange, 44 Inner flange, 45 Seal ring, 46 Internal thread, 47 External thread, 48 Detent recess, 49 Detent projection, 5
0: plug, 50A: handle, 51: body, 51a: cylinder, 51b: filler, 52: plate, 53: insertion hole,
54: seal ring, 55: support frame, 56: gate, 5
7 ... pin, 58 ... male screw member, 59 ... female screw part, 61 ...
Dosing hose, 62 ... flange, 71 ... air supply hose,
72 ... Flange.

Claims (2)

[Claims] 1. A sleeve inserted through a through hole formed in a door or a wall partitioning the inside and outside of a fumigation chamber, a plug detachably attached to an outdoor opening of the sleeve,
A gate for opening and closing the indoor opening of the sleeve, one end of the gate is rotatably supported on a shaft, and an engaging member is attached to a free end thereof. apparatus. 2. The fumigating apparatus according to claim 1, wherein the engaging member of the gate is constituted by a screw member which can be screwed to the sleeve.