JP6275888B1 - Mobile flush toilet system - Google Patents

Abstract

Provided is a mobile flush toilet system that has a mechanically simple structure to reduce power consumption, reduce the cost of equipment, reduce the risk of failure, and improve comfort. . The filth discharged from the toilet is pumped together with the washing water in a state containing bubbles, and is stored in a sewage container via a sewage hose. The stored sewage waste is smoothly decomposed by microorganisms without taking special measures such as aeration, and the odor is filled in the sewage container in the decomposition process. When new filth is pumped to the storage tank, the odor is evenly discharged from the holes provided in the odor discharge pipe 112. The released odor rises in the gravel layer 115 and further in the humus layer 116 and stays in a gap existing in the humus layer 116. At that time, part of the odor that has already accumulated is released to the atmosphere. In this staying process, the odor is deodorized by soil microorganisms. [Selection] Figure 7

Description

  The present invention relates to a mobile flush toilet system.

  Conventional mobile portable toilets are available at event venues and construction sites, but there is a 3K image of “dirty, smelly, dark”. There are many cases that hesitate to use the simple toilet and go to other places such as a nearby convenience store. In addition, the number of women entering the construction sites is increasing. From now on, when large-scale public works such as the Tokyo Olympics start, the labor shortage at the construction site becomes remarkable, and the Ministry of Land, Infrastructure, Transport and Tourism has issued a notice to make a toilet for women. In this way, in particular, the demand for a portable toilet that can be used comfortably by women is considered to become stronger.

  Among mobile simple toilets, various toilets have been proposed that employ a flushing type to improve comfort.

  Patent Document 1 discloses a flush-type compact temporary toilet that can be easily transported and operated even in an environment where water and sewage cannot be used and frequent maintenance is not possible. A toilet, a wash water tank for storing wash water to be supplied to the toilet, a sewage tank for storing sewage discharged from the toilet, and a steam separator for separating water from a gas containing water vaporized by the sewage in the sewage tank This is a temporary toilet having an exhaust pipe for guiding gas from above the sewage tank to the steam separator and a pipe for distilled water for supplying the water separated by the steam separator to the purified water tank.

  Patent Document 2 discloses a simple flush toilet with a wash water circulation type that consumes less power and can be installed and used even in a place without a commercial power source. A treatment tank is disposed under the toilet body body provided with a low tank for sending washing water to the toilet bowl, a plurality of aeration tanks and settling tanks are provided in the treatment tank, and aerobic fermentation microorganisms are input, This is a washing water circulation type simple flush toilet that uses fermented microorganisms to decompose human waste in the treatment tank while aerating in the aeration tank, and returns the treated water after the treatment to the raw tank from the treatment tank. The air pump for sending air to the aeration tank is a daytime air pump that operates during the day and blows air into the aeration tank, and a daytime air pump that operates at night and blows air into the aeration tank. A small night air pump with low power consumption is used.

JP 2010-222869 A JP 2001-303647 A

  However, in the flush toilet system described in Patent Document 1, it is considered that the promotion of decomposition of sewage by microorganisms does not sufficiently proceed in the sewage tank, and an aeration apparatus and a heater for heating the sewage tank are indispensable. Similarly, in the flush toilet system described in Patent Document 2, an aeration apparatus and a heater are indispensable in order to decompose sewage with microorganisms. In such a flush toilet system, power consumption for operating the system has increased. In addition, since the mechanical mechanism is complicated, the equipment cost is increased and the risk of failure is increased.

  Therefore, an object of the present invention is to provide a mobile water washing system that has a mechanically simple structure to reduce power consumption, reduce the cost of equipment, reduce the risk of failure, and improve comfort. To provide a toilet system.

  In order to solve the above-mentioned problem, the invention according to claim 1 includes a toilet bowl, a casing having a crushing pumping unit that crushes washed filth while mixing bubbles and pumps the filth, and a crushing pumping unit. A first sewage tank that stores pumped sewage that has been pumped to the outside, and an odor release device that is provided on the upper surface of the first sewage tank and that disperses and releases the odor caused by the stored sewage stored in the first sewage tank; A mobile flush toilet system comprising a deodorizing device for deodorizing released odors.

  According to this configuration, since the washed filth is crushed while mixing bubbles and stored in the first sewage tank as stored sewage, the washed filth is stored as compared with the case where the washed filth is stored in the first sewage tank as it is. Sewage is in a state where it is easy to promote decomposition by microorganisms. At the same time, air (bubbles) necessary for further promoting decomposition is also mixed. As a result, an aeration apparatus and a heater are unnecessary, and the cost of equipment can be reduced.

  In addition, according to this configuration, the process that requires electric power to promote the decomposition of stored sludge by microorganisms, specifically, aeration, heating using a heater, etc. are not included. Since only the pulverizing and pumping means is indispensable to supply, the power consumption can be suppressed, and further, the risk of failure of the system can be reduced.

  Further, according to this configuration, since the odor releasing device and the deodorizing device are provided on the upper surface of the first sewage tank, the odor generated can be reduced by deodorizing the odor caused by the stored sewage. As a result, comfort can be improved.

  The invention according to claim 2 is the mobile flush toilet system according to claim 1, wherein the odor releasing device includes an insertion tube having one end penetrating the upper surface of the first sewage tank and the other end portion of the insertion tube. The deodorizing apparatus includes a plurality of soil layers and covers the upper surface of the odor releasing apparatus.

  According to this configuration, the odor is released and dispersed on the upper surface of the first sewage tank by the odor releasing device, and the dispersed odor is deodorized by the soil microorganisms that inhabit the soil. As a result, it is possible to achieve a level in which a strange odor is hardly felt even in the vicinity of the first sewage tank that is a odor diffusion source.

  The invention according to claim 3 is the mobile flush toilet system according to claim 2, wherein the plurality of soil layers are a gravel layer in the lower layer, a humus layer in the upper layer, and the gravel layer covers the upper surface of the odor release device. It is characterized by covering.

  According to this configuration, the upper layers of the plurality of soil layers constituting the deodorizing apparatus are humus layers in which many soil microorganisms that can deodorize odors exist, and therefore it is possible to deodorize odors caused by stored wastewater. .

  In addition, according to this configuration, since the lower layer is a gravel layer with excellent drainage, the wet state of the upper humus layer, which changes due to rainwater, etc., can be maintained appropriately, and the soil that deodorizes the odors that inhabit the humus layer Microorganisms can be grown. As a result, the deodorizing effect of odor can be sustained and enhanced.

  Further, according to this configuration, since the lower gravel layer covers the odor diffusing device, clogging of the holes provided in the odor diffusing device can be prevented.

  The invention according to claim 4 is the mobile flush toilet system according to claim 2 or 3, characterized in that the upper surfaces of the plurality of soil layers are covered with plants.

  According to this configuration, since the upper surfaces of the plurality of soil layers are covered with plants, rapid temperature rise of the soil layers due to sunlight can be suppressed, and the environment of soil microorganisms that deodorize odors can be appropriately maintained. Can do. In addition, since fine voids are formed by the roots spread in the soil, it is possible to maintain a favorable environment for the growth of soil microorganisms.

  According to a fifth aspect of the present invention, in the mobile flush toilet system according to the first to fourth aspects, the first sewage tank has a monitoring means capable of observing the amount of stored sewage.

  According to this configuration, since the first sewage tank has the monitoring means capable of observing the amount of stored sewage, the amount of stored sewage can be confirmed at all times, and the stored sewage can be appropriately treated appropriately. Is possible.

  The invention according to claim 6 is the mobile flush toilet system according to claim 5, wherein the monitoring means is a visible strip-shaped observation window provided on a side surface of the first sewage tank. .

  According to this configuration, the monitoring means is a visible strip-shaped observation window provided on the side surface of the first sewage tank, so that the amount of stored sewage in the first sewage tank and the generation of scum of stored sewage are generated. The situation etc. can also be visually recognized.

  The invention according to claim 7 is the mobile flush toilet system according to claims 1 to 6, further comprising at least one second sewage tank.

  According to this configuration, since the mobile flush toilet system includes at least one or more second sewage tanks, a large amount of sewage can be stored.

  According to an eighth aspect of the present invention, in the mobile flush toilet system according to any one of the first to seventh aspects, a wash water tank for supplying wash water for washing the waste excreted in the toilet, and a wash water in the wash water tank It further comprises a water supply tank for supplying water.

  According to this configuration, the mobile flush toilet system further includes a wash water tank that supplies wash water for washing the waste excreted in the toilet, and a water supply tank that supplies wash water to the wash water tank. Therefore, even if the water supply cannot be used, the flush toilet system can be used.

  The invention according to claim 9 is the mobile flush toilet system according to claims 1 to 8, wherein the housing or the first sewage tank is provided with a predetermined space into which a fork of a forklift can be inserted. To do.

  According to this configuration, the casing and the first sewage tank are provided with a predetermined space into which the fork of the forklift can be inserted, so that the system is installed not only by the crane but also using the forklift. Can do.

  The invention according to claim 10 is the mobile flush toilet system according to claim 7, wherein the second sewage tank is provided with a predetermined space into which a fork of a forklift can be inserted.

  According to this configuration, since the second sewage tank is provided with a predetermined space into which the fork of the forklift can be inserted, the system can be installed using the forklift as well as the crane.

  The invention according to claim 11 is the mobile flush toilet system according to any one of claims 1 to 10, wherein a solar panel provided on an upper surface of the housing and a battery for storing electricity from the solar panel are provided. Furthermore, it is provided, and electricity is supplied to the apparatus which needs electricity from a battery, It is characterized by the above-mentioned.

  According to this configuration, it further includes a solar panel provided on the upper surface of the housing and a battery for storing electricity from the solar panel, and the battery supplies electricity to devices that require electricity. The system can be operated independently without the need to draw an electric wire.

1 is a plan view schematically showing a mobile flush toilet system 1 according to an embodiment of the present invention. It is a front view of the housing | casing which installed the solar panel. It is a perspective view which shows the framework structure of a solar panel and a housing | casing. It is a perspective view which shows the mode of the inside of a housing | casing. It is a perspective view which shows a crushing pump. It is a perspective view which shows a 1st sewage tank, an odor diffusion apparatus, and a deodorizing apparatus. It is sectional drawing similarly. It is a top view which shows arrangement | positioning of an odor discharge | release tube.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. The mobile flush toilet system 1 (hereinafter simply referred to as the toilet system 1) according to the first embodiment of the present invention will be described below.

  The housing 2 and the solar panel 3 of the toilet system 1 will be described with reference to FIGS.

  The housing 2 uses the skeleton 20 as a structural member, and each member is partially fixed by welding and the rest is fixed by metal fittings and bolts. The door 22, the inner wall 23, the outer wall 24, the top plate 21, and the bottom plate 27 are fixed to the frame 20. The top plate 21 constitutes a roof and has a downward slope toward the opposite side of the door 22 so that rainwater or the like does not sag to the door 22 side of the entrance. A plurality of suspension fittings (not shown) fixed to the skeleton 20 are provided so as to protrude from the upper surface of the top plate 21 and can be installed on a crane. Columns 25 constituting a part of the framework 20 are provided at the four corners of the housing 2 and extend below the bottom plate 27. Thus, when the housing 2 is placed on the grounding surface, a space is formed between the bottom plate 27 and the grounding surface, and the fork of the forklift can be inserted into this space. Therefore, the housing | casing 2 can be installed in both a crane and a forklift.

  As shown in FIGS. 3 and 4, inside the housing 2 are a toilet 4, a wash water tank 6 for supplying wash water to the toilet 4, and a pumping pump 203 for supplying water in the feed water tank 200 to the wash water tank 6. A plurality of batteries (not shown) that can store and charge electricity from the solar panel 3 and an outlet 26 are provided. There are three outlets 26 indoors (under the hand-washing, next to the mirror, behind the toilet bowl) and two outdoors (the lower left door, the lower right door). The toilet 4 can use the latest type. A Western-style urinal is installed and can be used comfortably when it is equipped with a warm water washing / heating toilet seat, a heating toilet seat, or a warm water washing toilet seat. The toilet 4 is usually a large urinal, but a urinal and a urinal may be provided independently. In addition, as shown in FIG. 5, the crushing pump 7 is provided in a space formed between the inner wall 23 and the outer wall 24 on the back side of the washing water tank 6.

  In the case of a standard battery, electricity from the solar panel 3 as a 1 KW solar power generator is stored. The battery can be charged 8640 Wh when fully charged, but in fact, half of that amount can be used as an external power source to improve battery durability. Each battery is DC 12V, which is converted to 100V AC by an inverter (not shown).

  The battery supplies electricity to the pumping pump 203 and the crushing and pumping pump 7 through an inverter. With this supplied electricity, the water in the water supply tank 200 can be supplied to the washing water tank 6 by the pumping pump 203, and the waste excreted in the toilet 4 can be washed continuously. Further, by driving the crushing and pumping pump 7, the washed filth can be crushed and fed to the first sewage tank 9.

  The outlet 26 is connected to the battery via an inverter. An electric control panel (not shown) for controlling the battery is also provided. It is convenient because the power source can be used from the outlet 26 even in an emergency such as a disaster.

  The solar panel 3 is composed of a support structure 31 fixed to the frame 20 and protruding from the top surface of the top plate 21 and a solar cell 32 attached to the support structure, but follows a general configuration. The description is omitted.

  The water supply tank 200 includes a water supply stand (not shown) in which a lift hole (not shown) into which a fork of a forklift supporting the water supply container can be inserted, and a water supply container (not shown) attached to the water supply stand. Although it is configured, the description is omitted because it follows a general configuration.

  The 1st sewage tank 9, the odor discharge | release apparatus 110, and the deodorizing apparatus 100 of the toilet system 1 are demonstrated with reference to FIGS.

  The first sewage tank 9 has a structure in which a first sewage container 91 is provided on a first sewage tank mount 92.

  The first sewage tank mount 92 is formed with a lift hole 300 into which a fork of a forklift can be inserted. Thereby, the 1st waste water tank 9 can be installed in both a crane and a forklift.

  A sewage intake valve 9 a for taking in sewage is provided at the upper end of the side surface of the first sewage container 91. The pumped sewage flows into the first sewage container through the first sewage hose 96a connected to the sewage intake valve 9a.

  A liquid drain valve 9 b is provided at the lower end of the side surface of the first sewage container 91. Accordingly, when the first sewage container 91 is washed with water after the stored sewage is pumped, the wash water accumulated at the bottom can be completely extracted, and the first sewage container 91 can be kept clean.

  An overflow valve 9c is provided at the upper end of the surface facing the sewage intake valve 9a and at the same height as or lower than the sewage intake valve 9a. Thereby, the water level of stored wastewater does not become higher than the height of the wastewater intake valve 9a, and backflow of stored wastewater can be prevented.

  One end of the second sewage hose 96b is connected to the overflow valve 9c, and the other end is connected to a sewage intake valve (not shown) of a second sewage container (not shown) constituting a second sewage tank (not shown). It becomes possible to add the amount of stored wastewater. Further, the overflow valve 9c may be directly connected to the sewage intake valve of the second sewage container without using the second sewage hose 96b. In addition, since the structure of a 2nd sewage tank is the same as the structure of a 1st sewage tank, description is abbreviate | omitted.

  An observation window 93 is provided on the side surface of the first sewage container 91 so that the amount of stored sewage and the state of decomposition can be visually recognized. The observation window 93 is a semitransparent strip-like slit elongated in the vertical direction. Thereby, the quantity of the stored wastewater in the 1st wastewater container 91, the condition of the scum generation | occurrence | production of stored wastewater, etc. can also be visually recognized. A water level gauge may be used instead of the observation window 93.

  On the upper surface of the first sewage container 91, a pumping port 94 for pumping stored sewage is provided. The draw-out port 94 passes through a gravel layer 115 and a humus layer 116 which will be described later, and protrudes from the upper surface of the humus layer 116. A detachable lid 95 is provided on the upper portion of the protruding drawing port 94. Thereby, the stored sewage can be pumped without removing the deodorizing apparatus 100.

  As shown in FIG. 7, the odor releasing device 110 is provided on the upper surface of the first sewage container 91, and includes an insertion tube 111 and an odor releasing tube 112. One end of the insertion tube 111 passes through the upper surface of the first sewage container 91 and protrudes into the first sewage container 91, and the other end is connected to the odor discharge pipe 112. As shown in FIG. 8, the odor discharge pipe 112 is provided in a ring shape around the upper surface of the first sewage container 91, and a pair of odor discharge pipes 112 are drawn inside the opposed odor discharge pipe 112. 94 is provided. Further, the odor releasing pipe 112 provided inside the annular region is connected to the odor releasing pipe 112 provided in an annular shape. The odor releasing pipe 112 has holes formed at predetermined intervals. Thereby, the odor flowing from the insertion tube 111 is uniformly discharged from the hole formed in the odor discharge tube 112. The insertion tube 111 and the odor release tube are preferably a circular tube or a rectangular tube.

  The deodorizing apparatus 100 has a gravel layer 115 and a humus layer 116. As shown in FIG. 7, a gravel layer 115 is provided on the upper surface of the first sewage container 91, and a humus layer 116 is provided thereon. The gravel layer 115 and the humus layer 116 are held at the outer periphery by a holding plate 113 provided in an annular shape on the outer periphery of the first sewage container 91. Further, a gravel fall prevention net 114 for preventing the gravel fall of the gravel layer 115 is provided in a gap formed between the outer periphery of the first sewage container 91 and the holding plate 113. The gravel layer 115 covers the upper surface of the odor releasing pipe 112, and the odor releasing pipe 112 is buried in the gravel layer 115. Thereby, the clogging of the hole provided in the odor releasing device can be prevented. In addition, the wet state of the humus layer 116 that changes due to rainwater or the like can be maintained appropriately, and soil microorganisms that deodorize the odor that inhabits the humus layer 116 can be grown. As a result, the deodorizing effect of odor can be maintained and enhanced.

  The material used for the gravel layer 115 is preferably bead gravel or crushed stone. Moreover, the charcoal, activated carbon, and zeolite which can adsorb | suck an odor to a fine hole may be sufficient. A further deodorizing effect can be expected by the presence of soil microorganisms that have the effect of deodorizing odors in fine pores.

  The material used for the humus layer 116 is preferably humus. Moreover, bark culture soil, black wood soil, or the material which mixed these may be sufficient.

  The humus layer 116 is planted (not shown). Thereby, while being able to suppress the rapid temperature rise of the soil layer by sunlight, the environment of the soil microorganisms which deodorize an odor can be maintained appropriately. In addition, since fine voids are formed by the roots spread in the soil, it is possible to maintain a favorable environment for the growth of soil microorganisms. The plant to be planted on the upper surface of the humus layer 116 is preferably herbs such as tamariu and mint, clover, etc. that have good rooting and are easy to grow.

The holding plate 113 is formed by joining two U-shaped iron thin plates into an annular shape, and has holes for inserting the sewage intake valve 9a and the overflow valve 9c.
The holding plate 113 is supported by being connected to a support pipe 117 assembled in a lattice shape with screws. The support pipe 117 is annularly provided on the entire outer periphery of the first sewage container 91, and the lower end is supported by the first sewage tank mount 92.

  A mechanism for decomposing filth and a mechanism for deodorizing odor caused by stored sewage will be described.

  The waste excreted in the toilet 4 is washed with water supplied from the washing water tank 6 via a water purification hose (not shown). The washed filth is sent to the crushing and pumping pump 7 with being mixed with air and crushed. At this time, the filth is shredded and the air becomes fine bubbles, which are mixed with the washing water and pumped as pumped sewage.

  The pumped sewage is stored in the first sewage container 91 via the first sewage hose 96a. Since the pumped sewage is shredded, the decomposition by microorganisms is much easier to promote than the excreted filth itself. In addition, the pressured sewage contains sufficient water and air (fine bubbles) necessary for the decomposition of microorganisms. Thereby, decomposition | disassembly by microorganisms can be accelerated | stimulated, without taking a special countermeasure, with the state which stored the stored wastewater in the 1st wastewater container 91. FIG. That is, the stored sewage can be appropriately treated without taking special measures such as aeration and further raising the temperature in the waste tank using a heater.

  As a result of the field experiment, since almost no occurrence of scum or the like is observed in the first sewage container, it is proved that the stored sewage has been smoothly decomposed by microorganisms in the first sewage container.

  In the process of decomposing the stored sewage, the first sewage container 91 is filled with air containing odor, that is, odor. The odor is uniformly discharged from the hole provided in the odor discharge pipe 112 over the entire upper surface of the first sewage container 91 when the pressured sewage flows into the first sewage container 91. In the toilet system 1, a maximum of about 5 liters of pumped sewage flows into the first sewage container 91. The same amount of odor is uniformly discharged from the hole provided in the odor discharge pipe 112 over almost the entire upper surface of the first sewage container 91.

  The released odor rises in the gravel layer 115 and further rises in the humus layer 116. In this ascending process, the odor stays in the gap existing in the humus layer 116, and the already staying odor is partially released to the atmosphere. In this staying process, the odor is deodorized by soil microorganisms. The air released into the atmosphere is air that cannot recognize this deodorized off-flavor.

  In the field experiment, it was proved that the odor caused by the stored sewage could be deodorized by the above-mentioned mechanism because the odor was hardly felt.

  In addition, this invention can be implemented in various aspects, without being limited to the described embodiment. When a household power source or a commercial power source can be used, if the electric control board is connected to the household power source or the commercial power source, the electricity can be used as it is, and the solar panel and the battery need not be provided in the toilet system 1.

  Further, in a place where the water supply can be used, water can be directly supplied to the washing water tank 6, and the water supply tank 200 and the pumping pump 203 may not be provided in the toilet system 1.

  In addition, if there is a water source such as a river nearby, it is possible to supply water to the washing water tank 6 by operating the pumping pump 203, and the water supply tank 200 may not be provided in the toilet system 1.

  Further, a first sewage tank 9 may be provided at the lower part of the housing 2 to provide a stair that allows entry into and exit from the housing 2. Thereby, installation in a narrow place becomes possible.

DESCRIPTION OF SYMBOLS 1 ... Mobile flush toilet system 2 ... Casing 3 ... Solar panel 4 ... Toilet bowl 6 ... Wash water tank 7 ... Crushing pressure feed pump (crushing pressure feeding means)
9 .... first sewage tank 9a ... sewage intake valve 9b ... drain valve 9c ... overflow valve 20 ... frame 21 ... top plate 22 ... door 23 ... inner wall 24 ... outer wall 25 ... pillar 26 ... outlet 31 ... support structure 32 ... solar cell 91 ... first sewage container 92 ... first sewage tank mount 93 ... observation window (Observation means)
94 ... Drawer 95 ... Lid 96a ... First sewage hose 96b ... Second sewage hose 100 ... Deodorizer 110 ... Odor release device 111 ... Insertion tube 112 ... Odor release Pipe 113 ... Holding plate 114 ... Gravel fall prevention net 115 ... Gravel layer 116 ... humus layer 117 ... Support pipe 200 ... Water supply tank 203 ... Water pump 300 ... Lift Hole

Claims (11)

Toilet bowl,
A crushing pumping means for crushing the washed filth while mixing air bubbles and pumping it to the outside, and a housing having
A first sewage tank for storing pumped sewage pumped to the outside by the crushing pumping means;
An odor releasing device that is provided on the upper surface of the first sewage tank and disperses and releases the odor caused by the stored sewage stored in the first sewage tank;
A mobile flush toilet system, comprising: a deodorizing device that deodorizes released odor. The odor releasing device includes an insertion pipe having one end penetrating the upper surface of the first sewage tank, an odor emission pipe connected to the other end of the insertion pipe and provided with holes at predetermined intervals; 2. The mobile flush toilet system according to claim 1, wherein the deodorizing apparatus includes a plurality of soil layers and covers an upper surface of the odor releasing apparatus.   The mobile flush toilet according to claim 2, wherein the plurality of soil layers are a gravel layer in a lower layer, a humus layer in an upper layer, and the gravel layer covers an upper surface of the odor releasing device. system.   The mobile flush toilet system according to claim 2 or 3, wherein upper surfaces of the plurality of soil layers are covered with plants.   The mobile flush toilet system according to any one of claims 1 to 4, wherein the first sewage tank has a monitoring unit capable of observing a storage amount of stored sewage.   6. The mobile flush toilet system according to claim 5, wherein the monitoring means is a strip-shaped observation window that is visible on a side surface of the first sewage tank.   The mobile flush toilet system according to any one of claims 1 to 6, further comprising at least one or more second sewage tanks.   8. The apparatus according to claim 1, further comprising a washing water tank that supplies washing water for washing the waste excreted in the toilet, and a water supply tank that supplies washing water to the washing water tank. The mobile flush toilet system according to item 1.   The mobile flush toilet system according to any one of claims 1 to 8, wherein the casing or the first sewage tank is provided with a predetermined space into which a fork of a forklift can be inserted.   8. The mobile flush toilet system according to claim 7, wherein the second sewage tank is provided with a predetermined space into which a fork of a forklift can be inserted. A solar panel provided on the upper surface of the housing; and a battery for storing electricity from the solar panel,
The mobile flush toilet system according to any one of claims 1 to 10, wherein the battery supplies electricity to a device that requires electricity.