Disaster relief storage equipment and methods using the same, and excrement collection tools.
The disaster storage facility with a ground storage hole and biodegradable tools addresses operational complexity and disposal challenges of emergency toilets by enabling efficient conversion of feces to soil, enhancing disaster response efficiency.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- TAKAHASHI KEISEI
- Filing Date
- 2025-09-18
- Publication Date
- 2026-05-20
AI Technical Summary
Existing emergency toilets and feces disposal methods during disasters face issues such as complex operation, accumulation of excrement, material non-degradability, and difficulty in disposal due to damaged infrastructure and transportation networks.
A disaster storage facility with a storage hole in the ground, equipped with a removable waterproof member and polystyrene blocks, allowing for storage of feces and supplies during disasters, and using biodegradable excrement collection tools to store feces in a collection bag that decomposes in soil.
Facilitates easy and hygienic disposal of feces by converting them into soil, reduces waste volume, and optimizes space utilization during disasters by integrating storage and disposal functions.
Smart Images

Figure 2026084072000001_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a disaster storage facility, a method using the same, and an excrement collection tool.
Background Art
[0002] When the water supply or sewerage stops functioning due to a disaster such as an earthquake, it becomes impossible to use a flush toilet. In such a situation, there is an emergency toilet that can be attached to an existing toilet for use. This emergency toilet, for example, attaches a bag-shaped storage part capable of storing excrement to the seating surface of the toilet seat of the existing toilet or between the toilet body and the toilet seat. A plurality of storage parts are stacked and set. Then, each time the user performs excretion treatment, the uppermost storage part is removed and discarded together with the stored excrement.
Prior Art Documents
Patent Documents
[0003]
Patent Document 1
Disclosure of the Invention
Problems to be Solved by the Invention
[0004] In the emergency toilet disclosed in Patent Document 1, the operation of removing the storage part, such as detaching it each time it is used, is complicated. Further, the emergency toilet disclosed in Patent Document 1 uses a plurality of stacked storage parts, and excrement accumulates in the uppermost storage part. After use, by detaching the uppermost storage part, the storage part that was originally the second from the top becomes the uppermost and is used for the next excretion. Therefore, for example, it is necessary to avoid the situation where excrement accumulates in the uppermost storage part and a part of the excrement passes through the inside of the storage part and reaches the second storage part from the top before detachment. Therefore, it is necessary to use a non-permeable material such as vinyl for the storage part. Such materials cause problems such as CO2 reduction and natural destruction.
[0005] Furthermore, while the emergency toilet disclosed in Patent Document 1 is to be disposed of along with its storage unit, some municipalities do not allow the waste to be treated as combustible waste. In the case of a temporary water outage, the waste stored in the storage unit can be flushed down a toilet after the water and sewage systems are restored. However, in the case of a long-term water outage, such as during a disaster, many storage units containing waste from each use will accumulate, making disposal difficult.
[0006] Currently, portable toilets used in evacuation centers and other disaster relief situations involve storing feces in plastic bags with deodorizers and coagulants. Since feces cannot be incinerated, they must be stored somewhere in their plastic bags and then eventually removed from the bags, which is cumbersome. Furthermore, even if incineration were permitted, the incineration plants themselves may be damaged, and there would be too much garbage to incinerate the feces in time. Even if incineration were possible, transporting feces in bags to external incineration facilities would be difficult during a disaster due to disrupted or damaged transportation networks. Moreover, during a disaster, there is also reconstruction work to be done, leaving little time for processing feces. The national disaster response manual also states that how to dispose of feces is an issue that needs to be considered.
[0007] The problems described above are presented as independent issues, and the present invention is not necessarily required to solve all of them; it is sufficient if at least one problem is solved. Furthermore, the invention intends to obtain rights for the configuration that solves this problem independently through divisional applications, amendments, etc. [Means for solving the problem]
[0008] (1) The waste storage facility according to the present invention is equipped with a storage hole formed in the ground, and in normal times when no disaster has occurred, a waterproof member is placed inside the storage hole, and the storage hole has a storage space in which necessary equipment and / or stockpiled items can be stored in the event of a disaster, and the equipment and / or stockpiled items stored in the storage space are protected by the waterproof member, and in the event of a disaster the equipment and / or stockpiled items can be removed and the storage hole can be used as a place to store feces.
[0009] (2) The inner surface of the storage hole is designed so that soil can be exposed at least on the bottom surface, the waterproof member is made removable, and in the event of the disaster, the waterproof member placed at least on the bottom surface can be removed to expose the soil on the bottom surface, and the storage hole with the exposed soil can be used as a place to store feces.
[0010] (3) The upper part of the storage hole is open, and under normal circumstances, a cover member should be placed to close the open part.
[0011] (4) The waterproofing member is a waterproof sheet, and the waterproof sheet should be positioned so that moisture leaking out from the soil portion exposed on the inner surface of the storage hole does not come into contact with the equipment and / or stored items.
[0012] (5) It is preferable to arrange the polystyrene foam block along the inner circumferential surface of the storage hole.
[0013] (6) At least during a disaster, the storage hole should be configured with a peripheral wall surrounding its outer perimeter. This peripheral wall can prevent water from entering or flooding the upper opening from the ground or surface. The peripheral wall may be installed during a disaster, but it is preferable to install it during normal times in preparation for a disaster. The peripheral wall should be installed from normal times.
[0014] (7) At least in the event of a disaster, the storage hole should be configured to have a roof that covers the upper opening. The roof may be installed in the event of a disaster, but it is better to install it during normal times in preparation for a disaster. The roof should be installed from normal times.
[0015] (8) Feces collected with an excrement collection device are disposed of in the storage space in a collection bag along with the excrement collection device, and the excrement collection device and the collection bag are preferably made of materials that can be returned to the soil.
[0016] (9) At least during a disaster, the bottom surface of the storage hole should be exposed to soil, and the inner wall surface should be covered with a covering member to prevent soil exposure. In this way, the collection bag containing the feces will return to the soil from the bottom side, and the inner wall side will maintain an upright position, minimizing collapse from the inner wall surface. The covering member may be newly installed during a disaster, or it may be installed from normal times. If installed from normal times, it is preferable to use it in conjunction with a waterproofing member.
[0017] (10) The covering member may be made of a plate-like member. This increases the strength of the inner wall surface and suppresses the collapse of soil located on the non-existent wall surface as much as possible.
[0018] (11) In the event of a disaster, the bottom surface and inner wall surface of the storage hole should be configured so that the soil in the area that comes into contact with the feces stored therein is not exposed.
[0019] (12) The said land may be land adjacent to the building.
[0020] (13) The aforementioned building may be used as an evacuation facility.
[0021] (14) The present invention is a method of using the disaster relief storage facility described in any one of (1) to (13), wherein under normal circumstances, the equipment and / or stockpiled goods are stored inside the storage hole, and in the event of a disaster, the equipment and / or stockpiled goods stored in the storage hole are removed, and the process of wrapping feces with a biodegradable material and storing it in the storage hole is repeated several times, after which soil is covered over the feces wrapped with the biodegradable material.
[0022] The process of storing the feces wrapped in the member that returns to the soil in the storage hole may be, for example, that a person may hold by hand the member that returns to the soil wrapping the feces. However, when transporting a large amount at once, it is better to use a trolley, a wheelbarrow (nekko), etc. for transportation. The disposal location of the feces for the storage hole is preferably not just one place but from the surroundings. Especially when doing it from the surroundings, in order not to drop when throwing it away deep inside, it is good to provide a handrail on the outer periphery. Especially at night or in the dark, people can be prevented from falling.
[0023] (15) In case of a disaster, it is advisable to take out the supplies and / or stored items stored in the storage hole and perform a process of taking out the waterproof member to expose the soil on the inner peripheral surface of the storage hole.
[0024] (16) The excrement collection tool is an excrement collection tool used to store feces in the storage hole of the disaster storage facility according to any one of (1) to (13) above. It is formed of a member that returns to the soil, is detachable from a toilet or a toilet seat, and is preferably configured to include a part that receives feces in a state of being attached to the toilet or the toilet seat.
[0025] Also, the configurations shown in (1) to (16) described above can be combined as appropriate. Based on the combined configuration like that, it is advisable to combine the constituent elements described in the embodiments and the drawings.
Advantages of the Invention
[0026] The present invention can achieve at least one of the following effects. The storage hole can be used as a storage space during normal times and as a space for disposing and storing feces to return them to the soil during disasters. The storage hole can serve as both a storage space and a space for disposing of feces. When storing supplies, a waterproof member is arranged in the storage hole, which can prevent the stored supplies and reserves from getting wet. When the storage hole is provided, for example, in the land adjacent to an evacuation facility, users using the evacuation facility can easily carry supplies to the disaster storage facility and dispose of them in the storage hole. When feces are collected using an excrement collection tool formed of a member that returns feces to the soil set in the toilet bowl, feces can be easily collected without soiling the surroundings even in a toilet where flushing water cannot be used. Also, by storing the entire excrement collection tool with the collected feces in a collection bag, it can be easily carried without causing an unpleasant feeling to the surroundings. By manufacturing the excrement collection tool and the collection bag from a member that returns to the soil, they can be directly discarded into the storage hole.
[0027] During disasters, it is difficult to dig a hole for disposing of feces in terms of time, and the labor required to dig such a hole cannot meet the demand for redirecting efforts towards disaster recovery. Also, generally, supplies and reserves (such as water and food) are stored in facilities like warehouses, but the problem of occupying storage space while rarely being used can be solved.
Brief Description of the Drawings
[0028] [Figure 1] It is a diagram showing a preferred embodiment of the disaster storage facility of the present invention. [Figure 2] It is a diagram showing an example of the installation situation of the disaster storage facility of the present invention. [Figure 3] It is a diagram showing an example of an excrement collection tool. [Figure 4] It is a diagram for explaining the usage situation of the excrement collection tool. [Figure 5] It is a diagram showing a preferred embodiment of the disaster storage facility of the present invention. [Figure 6] It is a diagram showing a preferred embodiment of the disaster storage facility of the present invention. [Figure 7]This figure shows another preferred embodiment of the disaster relief storage facility of the present invention. [Figure 8] This diagram shows a modified example (part 1) of a waste collection device. [Figure 9] This figure shows a modified version (part 2) of the excrement collection device. [Figure 10] This diagram shows the excrement collection device stored in a collection bag. [Figure 11] This figure shows another embodiment of a disaster relief storage facility. [Figure 12] This figure shows another embodiment of a disaster relief storage facility. [Modes for carrying out the invention]
[0029] Preferred embodiments of the present invention will be described in detail below with reference to the drawings. However, the present invention is not to be construed as being limited thereto, and various changes, modifications, and improvements can be made based on the knowledge of those skilled in the art, without departing from the scope of the invention.
[0030] Figure 1 shows a preferred embodiment of the disaster relief storage facility according to the present invention, and Figure 2 shows an example of its deployment. The figures are schematic diagrams and show the positional relationships of each component, but the relative sizes and dimensions of each component in the figures may differ from those of the actual components.
[0031] The disaster relief storage facility 10 is installed on land 2 adjacent to building 1 (an example of an evacuation facility), such as a community center or school, where an evacuation shelter is opened during a disaster. Land 2 should be a designated location within the site where building 1 is located, and should be a place that is not normally accessed or is difficult to access. For example, if building 1 is a school building, the adjacent land should be a corner of the schoolyard, preferably as far to the edge of the site as possible. In the case of public facilities such as community centers, if land 2 is attached to a garden, it should be at the edge of that garden. Land 2 should be the site where building 1 is installed, but it does not necessarily have to be the site of building 1; it can be a nearby designated land 2. In addition, although people generally do not enter the planted area 3, it is a good idea to make it off-limits.
[0032] Furthermore, community centers, schools, etc., often have areas where trees are planted (planting area 3). Therefore, the designated location for installing the disaster relief storage equipment 10 should be between the trees 4 planted in planting area 3.
[0033] The disaster relief storage facility 10 involves digging a designated area of land 2 to create a storage hole 11 where the soil is exposed. The storage hole 11 is a concave hole with a predetermined depth and an upward opening. In this embodiment, the planar shape is rectangular, but it can be any shape. The predetermined depth d should be about 2 to 3 meters. As will be described later, after use, it is necessary to cover the contents with soil to a thickness of about 1 meter from above, so a depth of 2 meters provides 1 meter of storage space. On the other hand, digging deeper can increase the storage space, but it becomes more difficult to retrieve the equipment stored in the storage hole 11, so it is best to set the upper limit of the depth to 3 meters. However, if it is possible to make it easier to retrieve the equipment by providing a mechanism for retrieving the equipment, or by devising the shape of the storage hole 11, such as by sloping or making the inner wall surface in a stepped shape, the depth may be greater than 3 meters.
[0034] The inner wall surface 11a and bottom surface 11b that constitute the inner circumferential surface of the storage hole 11 are exposed to soil. Therefore, block sections 14 made of expanded polystyrene are arranged along the inner wall surface 11a. Multiple block sections 14 are arranged without gaps to form a slightly smaller storage space 18 inside the storage hole 11. Adjacent block sections 14 are preferably connected using adhesive tape or other connecting members. By connecting them in this way, it is possible to prevent the block sections 14 from collapsing inside the storage hole 11. In addition, it is preferable to bond the side edges together with adhesive tape along their entire length. Doing so improves waterproof performance.
[0035] Furthermore, it is advisable to place a waterproof sheet 15 on the inner circumferential surface of multiple block sections 14. The waterproof sheet can be made of, for example, thick vinyl or leisure sheeting that does not decompose in the soil. The waterproof sheet 15 prevents water seeping from the inner wall of the storage hole 11 from entering the storage space 18, thus preventing the stored equipment and supplies from getting wet. Placing the polystyrene block sections 14 is also good for preventing rodents from entering. In addition, polystyrene has an insulating effect, which is good for the supplies stored in the storage hole 11.
[0036] Within the storage space 18, which is surrounded by multiple block sections 14 and covered with a waterproof sheet 15 on its inner surface, are stored items necessary in times of disaster, such as cardboard beds, partitions, makeshift rooms, tents, and sheets to lay underneath, as well as stockpiled supplies such as water and food (hereinafter sometimes simply referred to as "equipment, etc."). Local governments and other organizations often have difficulty securing storage space when keeping cardboard beds, etc. on hand, but a storage space can be easily created by digging a hole and forming it. In addition, cardboard equipment should be folded and stored vertically, and the upright cardboard should be pulled upwards. This makes it easier to retrieve compared to stacking them flat.
[0037] The waterproof sheet 15 may be interposed between the inner circumferential surface of the storage hole 11 and the block portion 14. In this way, the waterproof sheet 15 is held down by the block portion 14, and flapping can be suppressed. Furthermore, the waterproof sheet 15 is preferably positioned to cover or wrap around the equipment 17.
[0038] Furthermore, under normal circumstances, a lid member 20 should be placed above the storage hole 11. The lid member 20 may be made of, for example, a steel plate. Using a steel plate prevents it from being easily moved, thus maintaining a closed state, and it does not pose a problem even if there is space above the equipment 17. Also, using a steel plate prevents it from bending even if an animal or other object climbs on it. The lid member 20 should be removable, allowing the top of the storage hole to be opened in the event of a disaster. The steel plate may be a single piece sized and shaped to cover the opening, but it is preferable to use multiple pieces, such as strips, to facilitate movement in the event of a disaster. In the above embodiment, the upper edge 15a of the waterproof sheet 15 is sandwiched and fixed between the surface of the land 2 and the lid member 20. As a result, the storage space 18 of the storage hole 11 becomes a closed space between the lid member 20 and the waterproof sheet 15, providing good waterproofing. Equipment 17 can be protected from moisture and water such as rain, providing protection against rainwater. The space between two wooden planks (4) is generally located around the perimeter of the land / site, so covering it with sheet metal won't be an obstruction.
[0039] Furthermore, the lid member 20 is not limited to a steel plate and may be made of various materials. For example, it may be made of a waterproof sheet that covers the opening of the hole and secures the surrounding area. If a waterproof sheet such as a vinyl sheet is used as the lid member to cover the opening of the storage hole 11, there is a risk that rain will accumulate in the center of the sheet. To prevent this, it is advisable to position the sheet so that it is tilted outwards, such as by raising the center, or to use a steel plate as in the embodiment described above. It is also advisable to provide a handle for the lid member 20.
[0040] On the other hand, in the event of a disaster, as shown in Figure 1(b), the lid member 20 is removed to open the storage hole 11, and all the stored equipment 17 are taken out. The removed equipment 17 are then transported to a designated location in the adjacent building 1 where an evacuation center has been established. Furthermore, the block section 14 and the waterproof sheet 15 are peeled off, exposing the soil on the inner wall surface 11a and the bottom surface 11b of the storage hole 11. These peeled-off block section 14 and waterproof sheet 15 can be transported to an evacuation center, for example, and used as emergency supplies. For example, the waterproof sheet 15 can be used within the evacuation center, but it is particularly useful for repairing damaged houses, for example. Also, since the block section 14 is made of expanded polystyrene, it can be used as insulation in various places.
[0041] In the event of a disaster, the soil formed in the storage hole 11 becomes exposed, and the resulting space becomes a storage space 18 for human waste, especially feces. That is, for example, the user defecates with a waste collection device 30, as shown in Figure 3, attached to the toilet seat 36 as shown in Figure 4. The expelled feces are then collected by the waste collection device 30 (an example of a biodegradable material that encloses the feces), and the waste collection device 30 is disposed of together with the waste collection bag 40 (an example of a biodegradable material that encloses the feces). When one or more waste collection devices 30 that have collected feces accumulate in the collection bag 40, the collection bag 40 is disposed of in the storage hole 11.
[0042] Here, the excrement collection device 30, as shown in Figure 3, comprises a collection section 31 having, for example, a concave portion in the center for storing feces, and a band section 32 extending at least to the left and right of the collection section 31. The collection section 31 and the band section 32 are constructed, for example, by appropriately layering predetermined material sheets. The predetermined material sheets are made of wood-based materials such as cellulose, which decompose in the soil and return to nature (paper, plastic, etc.). The excrement collection device 30 is formed by punching out a laminated sheet-like material made by appropriately layering material sheets made of materials that return to the soil into a desired shape, and simultaneously molding it by heat pressing, thereby integrally forming the concave collection section 31 and the band section 32 as shown in Figure 3. It is preferable to include (impregnate) deodorizers, fermentation accelerators, etc., in the material sheets or the excrement collection device 30 in a pre-process, simultaneous with heat pressing, or post-process of heat pressing.
[0043] The excrement collection device 30, consisting of the above configuration, is fixed by attaching the adhesive portion 37 provided at the tip of the band portion 32 to the left and right upper surfaces of the seated toilet bowl 35 or the left and right upper surfaces of the toilet seat portion 36. The user 38 defecates in this state. As a result, feces are collected in the collection portion 31.
[0044] Furthermore, the excrement collection device 30 should be made of a material that is biodegradable as described above, and also has hydrolytic properties. In this way, the excrement collection device 30 can be used, for example, to collect stool for fecal examinations during normal times. Under normal circumstances, after collecting stool, the excrement collection device 30 can be flushed down the toilet along with any remaining stool.
[0045] Furthermore, the collection bag 40 is made of a material that decomposes in the soil and returns to nature, such as cellulose (paper, vinyl, etc.). The excrement collection tool 30 and the collection bag 40 do not necessarily have to be made of the same material, but in any case, it is preferable to use materials that decompose in the soil and return to it.
[0046] The collection bag 40 containing the excrement collection device 30, which has collected feces, is dropped into the storage hole 11 from above and stored. The location where the collection bag 40 is disposed of in the storage hole 11 may be a specific location in the storage hole 11, but it is preferable to configure it so that disposal is possible from all sides. By allowing disposal from all sides, it is easy to adjust the amount of collection bag 40 to be accumulated uniformly in the storage hole 11.
[0047] Furthermore, the process of transporting the collection bags 40 from evacuation facilities to the storage holes 11 can be done by hand, and it is especially good to use a cart or wheelbarrow for transportation. Using a cart allows for transporting many bags at once and is also hygienic.
[0048] When a certain amount of collection bags 40 have accumulated in the storage hole 11, the user covers the collection bags 40 with soil 5 and leaves it as is (see Figure 1(c)). The amount of soil 5 to cover should be, for example, about 1 m in height (thickness). The top surface of the covered soil 5 may be slightly raised relative to the original surface of the land 2 as shown in the figure, or it may be level with the surface of the land 2, or it may be slightly depressed. To cover with the required amount of soil 5, it is best to make it slightly raised.
[0049] In this way, the collection bags 40 and excrement collection tools 30 stored in the storage hole 11 decompose over time and return to the soil. In particular, the collection bags 40 and excrement collection tools 30 that come into contact with exposed soil areas such as the inner wall surface 11a and bottom surface 11b of the storage hole 11 begin to decompose from the contact points first.
[0050] According to this embodiment, the waste will decompose in the soil in about a year. Although it takes about a year to decompose, the storage hole 11 is installed in a place where people do not normally enter, so the time it takes for the waste to decompose is not a significant problem. In addition, the buried collection bags 40, etc. will decompose in the soil as they are, so there is no need to dig up the soil that has been placed on top of them, and they can be left as they are.
[0051] Furthermore, in the embodiment described above, since the storage hole 11 is provided between the trees 4 in the planting area 3, there is a possibility that, for example, the roots of the trees 4 may grow and enter the storage hole 11. Therefore, it is advisable to firmly reinforce the inner wall surface 11a with a board or the like. In that case, it is advisable to place a waterproof sheet 15 or block section 14, etc., inside the board. The reinforcing board should be limited to the depth to which the tree roots grow and should not be placed below the inner wall surface 11a. By not placing it below the inner wall surface 11a, the work of removing the board in the event of a disaster can be simplified.
[0052] Furthermore, it is preferable to provide an upward-extending peripheral wall 21 around the outer perimeter of the storage hole 11. The peripheral wall 21 prevents water from entering the storage hole 11 from the side and accumulating inside. The peripheral wall 21 can be formed, for example, by piling up soil along the outer edge of the upper opening of the storage hole 11. In this way, the soil used for the peripheral wall 21 can be used as part of the soil when filling the area above the recovery bags 40 stored in the storage hole 11.
[0053] In the event of a disaster, the lid member 20 covering the top of the storage hole 11 is removed, leaving the top of the storage hole 11 open. When the collection bag 40 containing the excrement collection tool 30 used to collect feces is being disposed of and stored, it is best to leave the top open. For example, a separate lid that can be opened and closed could be provided, but opening and closing it would be cumbersome, and it is better to leave it open so that the collection bag 40 can be disposed of by simply throwing it away.
[0054] On the other hand, if the top of the storage hole 11 is open, rain may blow directly into the storage hole 11, for example, during rainy weather. A small amount of rainwater accumulating in the storage hole 11 is not a problem, but it is undesirable if the amount of water accumulates and the collection bag 40 containing the discarded feces floats. Therefore, it is advisable to install a roof 25 above the storage hole 11. The roof 25 should overlap and cover the opening of the storage hole 11 in a plan view, and it is even better if it covers the outside of the opening. In this way, it is possible to suppress as much as possible the direct blowing of rain falling at an angle into the storage hole 11.
[0055] Furthermore, the roof 25 should be installed at a predetermined distance above the ground, and the collection bags 40 should be able to be thrown into the storage hole 11 through an opening 26 formed between the roof 25 and the ground. The opening 26 into which the collection bags 40 can be thrown should be around the entire perimeter of the roof 25, or it should be on one side or even a part of one side. If the opening 26 is on one side or a part of one side, a wall should be provided on the parts other than the opening 26 into which the bags can be thrown. The wall hanging down from the roof 25 can prevent rain from entering from the side, such as driving rain. The lower end of the wall should be in contact with the ground. In this way, the wall not only prevents rain from entering the storage hole 11 but also supports the roof 25. Furthermore, if the wall is around the entire perimeter, it is easy to adjust the amount of collection bags 40 to be evenly accumulated in the storage hole 11.
[0056] Furthermore, while such a roof 25 could be a permanent type installed during normal times, it is preferable to install it temporarily in the event of a disaster. If it were a permanent type, the constant presence of the roof 25 for infrequent disasters would be undesirable from an aesthetic standpoint. Moreover, the process of removing the cover member 20 in the event of a disaster would be complicated. If it were a temporary type, the parts that make up the roof 25 should be able to be stored, for example, within the storage hole 11. Since the planar shape of the roof 25 is larger than the planar shape of the opening of the storage hole 11, the temporary type roof 25 should be divided into multiple parts or be designed to be foldable.
[0057] Furthermore, as shown in Figure 6, it is advisable to place a handrail 28 around the upper opening of the storage hole 11. The handrail 28 should be placed at least at the location where the collection bag 40 is disposed of. For example, if the disposal location for the collection bag 40 containing feces into the storage hole is not just one place but all around, it will have the effect of making it easier to accumulate the feces evenly in the storage hole 11, but it will also result in cases where people go all the way to the back to dispose of it. In particular, if people go all the way to the back, there is a risk of falling into the storage hole 11 due to poor footing or poor visibility. The handrail 28 not only physically prevents falls if a user comes into contact with it, but also allows users to recognize the presence of the storage hole 11 by seeing the handrail 28, thus prompting caution. In particular, it can prevent people from falling in when it is dark, such as at night.
[0058] Although not shown in the diagram, another hole may be dug in a part of the bottom surface 11b of the storage hole 11, and gravel may be laid to create a seepage basin where water can accumulate. In this way, if water enters the storage hole 11, the water level will rise overall, preventing the collection bag 40 from floating up.
[0059] Furthermore, as shown in Figure 7, at least during a disaster, it is preferable that the soil located at the bottom surface 11b of the storage hole 11 is exposed, while the soil located at the upright inner wall surface 11a is not exposed. In this way, the recovery bags 40 stored in the storage hole 11 will decompose into soil from the bottom surface 11b side where the soil is exposed. Also, they will not come into contact with the soil on the inner wall surface 11a, suppressing decomposition into soil from the inner wall surface 11a side. This will suppress the collapse of the inner wall surface 11a.
[0060] To prevent soil from being exposed on the inner wall surface 11a, for example, a wall member 12 (an example of a covering member) can be installed upright, as shown in Figure 7(a). The wall member 12 can be made of metal, such as a steel plate or stainless steel plate, or a waterproof sheet 15 (an example of a covering member) can be placed as shown in Figure 7(b) to cover the soil. When the wall member 12 is installed upright, the strength of the inner wall surface 11a is increased, making it more likely that it will not collapse even in the event of an earthquake. The wall member 12 can be installed when a disaster occurs, but it is preferable to install it from normal times and provide a storage space 18 inside the wall member 12.
[0061] Furthermore, in the case of a configuration in which a waterproof sheet 15 is arranged as shown in Figure 7(b), it is advisable to remove the bottom side of the waterproof sheet 15 that was used under normal circumstances and reuse it.
[0062] The excrement collection device 30 is not limited to the one described above; for example, as shown in Figure 8, it may be shaped to cover the entire opening of the toilet seat portion 36 of the toilet bowl 35. This prevents soiling of the toilet bowl 35 during defecation. Furthermore, all excrement can be collected and stored using the excrement collection device 30.
[0063] Figure 9 shows yet another embodiment of the excrement collection device 30 and an example of its use. As shown in Figure 9(a), the user sets the plastic sheet 45 so that it completely covers the entire toilet seat portion 36 of the toilet bowl 35, at least when in use. This plastic sheet 45 may be left in place at all times.
[0064] The excrement collection device 30 has an outer dimension that is sufficiently larger than the outer edge of the toilet seat 36, and is sized and shaped to be attached so as to completely cover the toilet seat 36 from the top surface to the sides. By covering the toilet seat 36 completely in this way, it is possible to prevent soiling of the toilet bowl 35 as well as the toilet seat 36 during defecation.
[0065] The excrement collection device 30 has a concave collection section 31 in its central part. The collection section 31 extends downward from the opening of the toilet seat 36 and is located a predetermined distance below the upper surface of the toilet seat 36. As a result, the excreted feces are collected in the collection section 31. The depth of the recess in the collection section 31 should be set to a depth such that the feces collected in the collection section 31 do not come into contact with the user sitting on the toilet seat 36.
[0066] The excrement collection device 30 is preferably formed by punching out a laminated sheet material, which is made by appropriately layering sheets of material that decomposes in the soil and returns to the soil, into a desired shape, and simultaneously molding it by heat pressing. Furthermore, although the specific illustration is omitted, the excrement collection device 30 in its unused state before being attached to the toilet seat 36 may have a shape such as a collection section 31 consisting of a recess of a predetermined size and shape in the center of a flat sheet.
[0067] In this case, the outer perimeter is a flat sheet, and when using it, the user places this flat outer perimeter area over the top surface of the toilet seat 36. At this time, the outer edge of the excrement collection device 30 should protrude outside the toilet seat 36 all around. Next, the user should fold the part that protrudes outside the toilet seat 36 downwards and set it so that the excrement collection device 30 covers the toilet seat 36, including the sides, as shown in Figure 9(a).
[0068] Alternatively, instead of folding the entire flat sheet portion when setting it, the outer circumference may also be folded downwards, similar to the concave sampling portion 31, to form a concave portion between it and the outer surface of the sampling portion 31 for setting it on the toilet seat portion 36.
[0069] After defecating, the user removes the excrement collection device 30 from the toilet seat 36 and stores it in a designated collection bag 40 (see Figure 10). The excrement collection device 30 shown in Figure 9 has a shape with a concave collection section 31 in the center of a flat sheet. Therefore, after defecating, by removing the excrement collection device 30 from the toilet seat 36 and lifting the outer circumference upward, the collection section 31 is positioned at the lower end and the device can be transformed into a bag shape. Thus, as shown in Figure 10, the opening at the top of each excrement collection device 30 can be closed by tying it with a designated string member, preventing excrement from flowing out of the excrement collection device 30. When a predetermined number of excrement collection devices 30 have accumulated in the collection bag 40, the user closes the top opening of the collection bag 40 by tying it with the string member, takes it to the disaster relief storage facility 10, and disposes of it in the storage hole 11.
[0070] Furthermore, if the feces collected in the collection section 31 are soft stools, contain a lot of moisture, or are excreted together with stool, it is advisable to sprinkle the liquid absorbent material 46 on top after excretion, for example, as shown in Figure 9(b). The liquid absorbent material 46 may be made of, for example, nonwoven fabric chips formed by crushing a sheet made of biodegradable material. The material used to form these nonwoven fabric chips may be, for example, scraps left over from the manufacture of the excrement collection device 30. Because the nonwoven fabric chips absorb moisture, they will not accumulate in the collection bag 40 in liquid form when stored in the collection bag 40, thus minimizing the possibility of leakage.
[0071] Figure 11 shows another embodiment of the disaster relief storage facility 10. In this embodiment, wood 19 is placed along the inner wall surface 11a and the bottom surface 11b of the storage hole 11. By placing the wood 19, the strength is increased and the collapse of the inner wall surface 11a can be suppressed as much as possible. Also, when placed on the bottom surface 11b, it can support the load of equipment etc. 17. Note that the wood 19 is not necessarily required to be placed, and it may be placed on only one of the inner wall surface 11a and the bottom surface 11b.
[0072] In the various embodiments described above, the block section 14 and the waterproof sheet 15 are removed in the event of a disaster, exposing the soil portion of the inner wall surface 11a and / or bottom surface 11b of the storage hole 11. However, in the present invention, it is not necessarily required to expose the soil portion. For example, using the disaster relief storage facility of the embodiment shown in Figure 1 as an example, the configuration shown in Figure 12 is possible. That is, Figure 12(a) is the same as the normal state in the embodiment of the disaster relief storage facility shown in Figure 1(a).
[0073] On the other hand, in the event of a disaster, as shown in Figure 12(b), the lid member 20 is removed to open the storage hole 11, and all the stored equipment 17 are taken out. The removed equipment 17 are then transported to a designated location in the adjacent building 1 where an evacuation center has been established. In this configuration, the block section 14 and the waterproof sheet 15 are left in place without being removed. As a result, the soil on the inner wall surface 11a and the bottom surface 11b of the storage hole 11 is not exposed.
[0074] In the event of a disaster, the space formed within the storage hole 11 becomes a storage space 18 for human waste, particularly feces. That is, as explained using Figure 1, the excrement is collected in an excrement collection device 30 (an example of a biodegradable material that encloses the feces). The user then disposes of the excrement collection device 30 together with a collection bag 40 (an example of a biodegradable material that encloses the feces). When one or more excrement collection devices 30 containing feces have accumulated in the collection bag 40, the collection bag 40 is disposed of in the storage hole 11. When a certain amount of collection bags 40 have accumulated in the storage hole 11, the user covers the collection bags 40 with soil 5 and leaves it as is (see Figure 12(c)). The amount of soil 5 to cover should be, for example, about 1 m in height (thickness). Furthermore, the top surface of the covered soil 5 may be slightly raised relative to the original surface of the land 2, as shown in the diagram, or it may be level with the surface of the land 2, or it may be slightly recessed. To cover with the required amount of soil 5, it is best to make it slightly raised.
[0075] In this way, the collection bags 40 and excrement collection tools 30 stored in the storage hole 11 decompose over time and return to the soil. In this embodiment, since the soil is not exposed on the inner wall surface 11a and bottom surface 11b of the storage hole 11, the collection bags 40 and excrement collection tools 30 that come into contact with the soil 5 placed on top will begin to decompose from the contact points first. In this embodiment, the soil on the inner wall surface 11a and bottom surface 11b of the storage hole 11 is not exposed, and it is possible to prevent the feces discarded together with the collection bags 40 from coming into contact with the soil on the inner wall surface 11a and bottom surface 11b. For example, this can be effectively implemented in areas where it is not possible to dispose of feces directly on the ground.
[0076] As described above, in this embodiment, when the block portion 14 and the waterproof sheet 15 are detachably arranged inside the storage hole 11, as shown in Figure 1, the block portion 14 and the waterproof sheet 15 can be removed in the event of a disaster, increasing the surface area of soil that the collection bag 40 etc. come into contact with, thereby enabling the feces to be returned to the soil more quickly. Alternatively, as shown in Figure 13, the block portion 14 and the waterproof sheet 15 can be used without being removed in the event of a disaster, allowing the system to be used in areas where direct disposal of feces on the ground is not permitted.
[0077] Furthermore, the present invention is not limited to arranging the block portion 14, waterproof sheet 15, etc., in the storage hole 11 in a way that allows for detachment, as in the embodiments described above; they may also be fixed in place so as not to be detached.
[0078] Furthermore, while the land where the storage pit is provided is adjacent to an evacuation facility as shown in the embodiments described above, the present invention is not limited to this, and may be adjacent to a designated building. The designated building can be various types, such as accommodation facilities, stadiums and other sports facilities, government offices and other administrative facilities, public facilities, companies, apartment buildings, private homes, etc. In any case, in the event of a disaster, the equipment and / or supplies stored in the storage pit can be removed and used inside the building, and feces excreted by users inside the building can be stored in the storage pit. The land may be a sports field or a park, etc.
[0079] While various aspects of the present invention have been described above using embodiments and modifications, it should be noted that these embodiments and descriptions are not intended to limit the scope of the present invention, but rather to aid in understanding it. The scope of the present invention is not limited to the configurations and manufacturing methods explicitly described in the specification, but also includes combinations of the various aspects of the present invention disclosed herein. Although the configurations for which patent protection is sought are specified in the appended claims, it should be noted that even configurations not currently specified in the claims may be claimed in the future. [Explanation of Symbols]
[0080] 1: Building 2 :Land 3: Planting area 4: Wood 10: Disaster relief storage facilities 11: Storage holes 11a: Interior wall surface 11b: Bottom 14: Block section 15: Waterproof sheet 15a:edge 17: Equipment etc. 18: Storage space 20: Lid component 21: Peripheral wall 25: Roof 26: Opening 30:Excrement collection tool 31: Collection section 32: Band Club 35: Toilet 36: Toilet seat 40: Collection bag
Claims
1. Equipped with storage pits formed in the ground, During normal times when no disaster has occurred, a waterproofing material is placed inside the storage hole. The storage hole has a storage space inside which necessary equipment and / or stockpiled items can be stored in the event of the disaster, and the equipment and / or stockpiled items stored in that storage space are protected by the waterproof member. Disaster relief storage facility configured such that, in the event of the aforementioned disaster, the equipment and / or stored items can be removed and the storage pit can be used as a place to store feces.
2. The inner circumferential surface of the storage hole, at least the bottom surface, is designed to allow soil to escape. The disaster relief storage facility according to claim 1, wherein the waterproofing member is configured to be removable, and in the event of a disaster, the soil on the bottom surface can be exposed by removing at least the waterproofing member located on the bottom surface, and the storage hole with the exposed soil can be used as a place to store feces.
3. The upper part of the aforementioned storage hole is open. The disaster relief storage facility according to claim 1, wherein a lid member is provided to close the open portion during normal operation.
4. The aforementioned waterproofing member is a waterproof sheet, The disaster relief storage facility according to claim 1, wherein the waterproof sheet is positioned so that moisture leaking from the soil portion exposed on the inner circumferential surface of the storage hole does not come into contact with the equipment and / or stored goods.
5. The disaster relief storage facility according to claim 1, wherein a polystyrene foam block is arranged along the inner circumferential surface of the storage hole.
6. The disaster relief storage facility according to claim 1, wherein, at least in the event of a disaster, it is configured to have a peripheral wall surrounding the outer perimeter of the upper opening of the storage hole.
7. The disaster relief storage facility according to claim 1, wherein it is configured to have a roof that covers the upper opening of the storage hole, at least in the event of a disaster.
8. Feces are collected using an excrement collection device, and then disposed of in the aforementioned storage space while the collection device is placed in a collection bag. The disaster relief storage facility according to claim 1, wherein the excrement collection tool and the collection bag are formed of materials that decompose in the soil.
9. The disaster relief storage facility according to claim 2, wherein, at least during a disaster, the bottom surface of the storage hole is exposed to soil, and the inner wall surface is configured to prevent soil exposure by placing a covering member therein.
10. The disaster relief storage facility according to claim 9, wherein the covering member is made of a plate-shaped member.
11. The disaster relief storage facility according to claim 1, wherein in the event of a disaster, the bottom surface and inner wall surface of the storage hole are configured so that the soil in the area that comes into contact with the feces stored therein during the disaster is not exposed.
12. The disaster relief storage facility according to claim 1, wherein the aforementioned land is land adjacent to a building.
13. The aforementioned building is an evacuation facility, as described in claim 12, for disaster relief storage.
14. A method of using a disaster relief storage facility according to any one of claims 1 to 13, Under normal circumstances, the equipment and / or stockpiled items are stored inside the storage hole. In the event of a disaster, the equipment and / or stockpiled items stored in the storage hole are removed, and feces wrapped in a biodegradable material are stored in the storage hole multiple times, after which soil is placed over the feces wrapped in the biodegradable material.
15. The method according to claim 12, wherein in the event of a disaster, the equipment and / or stockpiled items stored in the storage hole are removed, and the waterproof member is removed to expose the soil on the inner surface of the storage hole.
16. A waste collection device for storing feces in the storage hole of a disaster relief storage facility according to any one of claims 1 to 13, Made from materials that return to the earth, A waste collection device that is detachable from a toilet bowl or toilet seat and includes a part that receives feces when attached to the toilet bowl or toilet seat.