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WO1993005694A1 - Appareil et procede d'evacuation des dejections d'origine humaine - Google Patents

Appareil et procede d'evacuation des dejections d'origine humaine Download PDF

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Publication number
WO1993005694A1
WO1993005694A1 PCT/US1992/007881 US9207881W WO9305694A1 WO 1993005694 A1 WO1993005694 A1 WO 1993005694A1 US 9207881 W US9207881 W US 9207881W WO 9305694 A1 WO9305694 A1 WO 9305694A1
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WO
WIPO (PCT)
Prior art keywords
waste
container
pipe
vapors
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US1992/007881
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English (en)
Inventor
Mitsuhiro Kishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Americ Corp
Original Assignee
Americ Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Americ Corp filed Critical Americ Corp
Publication of WO1993005694A1 publication Critical patent/WO1993005694A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K11/00—Closets without flushing; Urinals without flushing; Chamber pots; Chairs with toilet conveniences or specially adapted for use with toilets
    • A47K11/02—Dry closets, e.g. incinerator closets
    • A47K11/023—Incinerator closets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Definitions

  • the present invention relates generally to human waste disposal systems to be used with portable toilets and more particularly to an improved human waste disposal apparatus and process that efficiently disposes of human waste by dehydrating or drying it with the use of heaters and heat accumulators having multiple blades that churn the waste and accelerate the dehydration process.
  • the human waste disposal apparatus comprises a means for collecting the waste, a means for dehydrating the waste so as to convert the liquid portion to vapors, a means for purifying the vapors, and a means for cleaning the collecting means and a means for storing the remaining solid waste.
  • the process for human waste disposal comprises the steps of collecting human waste in' a container, dehydrating the human waste with heat and air, vaporizing off the liquids from the human waste, purifying the vapors, cleaning the container by removing the remaining solid waste and collecting and storing the waste in a particle collecting bag.
  • the apparatus and process provide for a sanitary, easy and environmentally sound way of disposing of human waste, while at the same time eliminating the offensive odors associated with human waste.
  • both the portable temporary bathrooms used at outdoor activities and in trans ⁇ portation systems store human waste in its excreted form.
  • the waste is then transferred to sewage treatment facilities.
  • wheii portable temporary bathrooms are in use for long periods of time, the odor from the waste becomes offensive and unbearable. Because of these adverse conditions, workers despise the processes involved in storing, collecting, and transporting the human waste.
  • the processes of storing, collecting, and treating human waste have proven to be unsanitary and unmodern. Therefore, the conventional systems used in maintaining human waste are in need of greater sanitization and modernization.
  • the present invention is directed to a human waste disposal apparatus and process for dehydrating human waste in an airtight container, vaporizing the human waste, and eliminating offensive odors associated with such waste.
  • the human waste disposal apparatus has an airtight heat-resistant container that houses a plurality of blades and a plurality of heat accumulators that act to agitate, stir and disperse the waste in the container.
  • the container is externally heated, and the multiple stirring blades move and churn the human waste around in the container so that the waste is evenly heated. This churning also accelerates the dehydration process, so that the main component of human waste, water, evaporates quickly.
  • the vapors emitted as a result of the dehydration process move from the container via a series of pipes and into a catalyst box which houses a catalyst that acts to purify the vapors and eliminate offensive odors associated with the vapors.
  • the apparatus is ideal for use at outdoor events that attract large crowds because offensive odors are eliminated and the environment is kept clean.
  • the apparatus has a self-cleaning mechanism that cleans the container by removing the solid dried materials of the human waste remaining in the container after dehydration and vaporization of the liquid portion of the waste.
  • the apparatus can store greater amounts of human waste since the waste is in a dried, compressed condition.
  • the stored waste does not have to be collected as often as in prior art waste disposal systems due to the compact nature of the waste and the elimination of offensive odors.
  • the human waste disposal apparatus comprises a means for collecting the waste, a means for dehydrating the waste so as to convert the liquid portion to vapors, a means for purifying the vapors, and a means for cleaning the collecting means, and a means for storing the remaining solid waste.
  • the human waste disposal apparatus comprises: an airtight heat-resistant drying container which collects the human waste; a heating device that heats the human waste in the container; an air supply pipe connected to the container that supplies air into the container; a series of pipes and valves that discharge the vapors from the container and into a catalyst box; a plurality of blades and a plurality of globular-heat accumulators that churn the human waste and distribute it so that it can be evenly heated; and a series of pipes and valves that discharge the solid human waste particles remaining after dehydration and vaporization, from the container and into a particle collecting bag housed inside a particle collector box.
  • the present invention is directed to a process for human waste disposal comprising the steps of collecting human waste in a container, dehydrating the human waste with heat and air, vaporizing off the liquids from the human waste, purifying the vapors, cleaning the container by removing the remaining solid waste, and collecting and storing the waste in a particle collecting bag.
  • the apparatus and process provide for a sanitary, easy and environmentally sound way of disposing of human waste, while at the same time eliminating the offensive odors associated with human waste.
  • the apparatus has the advantage that it can be used in densely populated residential areas or at activities attracting large crowds without the concern of giving off offensive odors.
  • FIG. 1 is a transparent view of a human waste disposal apparatus installed in a portable temporary bathroom of the type used in connection with the present invention
  • FIG. 2 is a perspective view of the internal system of the human waste disposal apparatus
  • FIG. 3 is a side view of the piping configuration of the human waste disposal apparatus
  • FIG. 4 is a perspective view of a toilet bowl and the attached drying container of the human waste disposal apparatus
  • FIG. 5 is a blown-up rear view of the human waste disposal apparatus
  • FIG. 6 is a block illustration of the control circuits of the human waste disposal apparatus
  • FIG. 7 is a first portion of a flow chart diagramming the functions of the human waste disposal apparatus
  • FIG. 8 is a continuation of the flow chart of FIG.
  • FIG. 9 is a continuation of the flow chart of FIG.
  • FIG. 10 is a continuation of the flow chart of FIG. 9? and, FIG. 11 is a second embodiment showing the piping configuration of the human waste disposal apparatus of FIG. 3 with additional elements. * Detailed Description of a Preferred Embodiment
  • FIG. 1 shows the human waste disposal apparatus of the present invention installed in a portable temporary bathroom (1) of the type used in connection with the present invention.
  • the portable temporary bathroom (1) used is elongated and rectangular in shape and having a large enough interior so that a person can enter and exit the bathroom (1) .
  • the outer frame of the bathroom (1) can be made of a variety of materials such as plastic, reinforced synthetic resin or the like.
  • the bottom portion of the bathroom typically comprises a cubic- shaped base (2) on which the bathroom housing (3) is in ⁇ stalled. Attached on the front side of the housing (3) is a door (4) , which a user can open outwardly to enter and exit the housing (3) .
  • a human waste disposal apparatus (5) is installed inside the bathroom (1) and onto and above the base (2) .
  • a toilet (6) is connected to the center of the upper portion of the apparatus (5) , and there is a first enclosure (7) and a second enclosure (8) installed on each side of the toilet (6) .
  • the first enclosure (7) contains a gear box motor and gear box
  • the second enclosure (8) contains a catalyst box.
  • FIG. 2 is a perspective view of the internal system of the human waste disposal apparatus (5) .
  • the apparatus (5) is assembled as a unit and can be operated independently with electrical or fuel energy.
  • the apparatus (5) is comprised of the following major sub- units: a drying container (10), a particle collector box (24) and a catalyst box (15) .
  • the drying container (10) preferably cylindrical in shape, is connected to an inside corner of the apparatus (5) .
  • a first inlet pipe (11) has a first end .connected to a shutter (12) and a second end connected to one side of the container (10) .
  • the first inlet pipe (11) slants in an upward direction from the connection with the container (10) to the connection with the shutter (12) .
  • the shutter (12) is in turn connected to an opening at the bottom of a toilet (6) .
  • a gear box (14) preferably square in shape, is affixed to the top of the container (10) , and a gear box motor (13) is connected to one side of the gear box (14) . Both the gear box (14) and the gear box motor (13) are covered by enclosure (7) .
  • the gear box (14) controls a shaft (38) (shown in FIG. 3), and controls a plurality of blades connected to the shaft (38) .
  • the gear box (14) also acts to reduce the rotating power of the gear box motor (13) .
  • a substantially disk- shaped cover (29) is attached to the top of the container (10) , and the cover (29) creates an airtight seal for the container (10) .
  • An exhaust pipe (19) has a first end connected to the container (10) and a side portion of the cover (29) .
  • the exhaust pipe (19) also has a middle portion in which one end of a first valve (20) is connected.
  • the first valve (20) has its other end connected to a first end of a second inlet pipe (21) .
  • the second inlet pipe (21) has a second end connected to a middle portion of a heating pipe (17) .
  • the exhaust pipe (19) has a second end connected to one end of a second valve (22) .
  • the other end of the second valve (22) is connected to a first end of a cleaning pipe (23) .
  • the second end of the cleaning pipe (23) is connected to the circular top of a particle collector box (24) .
  • a return pipe (25) has a first end connected to a side of the particle collector box (24) and a second end connected to one end of a third valve (28) .
  • the other end of the third valve (28) is connected to a middle portion of the second inlet pipe (21) .
  • a catalyst box (15) preferably rectangular in shape, is placed in an upright and vertical position inside the apparatus (5) and directly across from the container (10) on the same side as the container (10) .
  • a substantially L-shaped exhaust pipe (26) has a first end connected to the top of the catalyst box (15) and second end connected to a side of an executor device (27).
  • a long cylindrical heating pipe (17) housed inside the apparatus (5) has a first end connected to a lower side portion of the catalyst box (15) and a second end connected to a lower blower (18) .
  • the heating pipe (17) transports hot air from the lower blower (18) to the catalyst box (15) .
  • a motor-driven upper blower (30) is installed inside and to the front portion of apparatus (5) .
  • An air delivery pipe (31) has a first end connected to the output side of the upper blower (30) and a second end ending at junction where two pipes form, one pipe being a pressurizing pipe (32) and the other pipe being an air supply pipe (33) .
  • the pressurizing pipe (32) extends from the junction and along an inner side of apparatus (5) to connect to a second lower end of executor (27) .
  • the pressurizing pipe (32) provides a constant supply of air to the executor (27) .
  • the air supply pipe (33) extends from the junction with the pressurizing pipe (32) and along the opposite inner side of apparatus (5) to connect with cover (29) through a fourth valve (34) and finally connecting to the container (10) .
  • a small semi ⁇ circular inner diameter throttle pipe (35) is connected at two junctions along one side of the air supply pipe (33) so as to bypass a fifth valve (34).
  • FIG. 3 is a side view of the piping configuration of the human waste disposal apparatus that connects the toilet (6) , the container (10) , the catalyst box (15) , and the particle collector box (24) .
  • the shutter (12) is connected to the bottom portion of the toilet (6) , and the first end of the first inlet pipe (11) .
  • the first inlet pipe (11) slopes downward from the toilet (6) towards the container (10) .
  • the second end of the first inlet pipe (11) is connected to the center of a side portion of the container (10) .
  • the container (10) in which the human. waste is collected and dehydrated is hollow and preferably cylindrical in shape.
  • the container (10) has a bottom plate to which a disk-shaped container heater (16) is attached.
  • the container (10) also has a disk-shaped cover (29) attached to the top of the container (10) and which completely covers the entire top of the container (10) so as to create an airtight seal.
  • a gear box (14) is affixed to the top of the cover (29) , and has connected to it a shaft (38) extending from the bottom of the gear box (14) to the bottom portion of the container (10) .
  • a plurality of blades (39) are fixed to the bottom edge portion of the shaft (38) .
  • globular-shaped heat accumulators (40) that roll around by the blades (39) located in the container (10) .
  • These globular-shaped heat accumulators (40) are made of aluminum dioxide or a similar highly thermal material.
  • a temperature sensor (41) is attached to the side of the container (10) and positioned slightly above the container (10) bottom.
  • An exhaust pipe (19) is connected at a first end to the cover (29) of the container (10) and extends into the container (10) .
  • the exhaust pipe (19) splits at a second end and forms two other pipes, one having a first valve (20) and the other having a second valve (22) .
  • the first valve (20) is connected to a first end of the second inlet pipe (21)
  • the second end of the second inlet pipe (21) is connected to a side portion of the heating pipe (17) .
  • the second valve (22) is connected to the first end of the cleaning pipe (23) which is connected to and extends into the particle collector box (24) .
  • a particle collecting bag (48) is connected to the second end of the cleaning pipe (23).
  • the particle collecting bag (48) is made of cloth or coarsely-made paper.
  • the particle collector box (24) On the side opposite the cleaning pipe connection, the particle collector box (24) has a return pipe (25) connected to it.
  • the return pipe (25) is also attached to the outer circumference of the particle collecting bag (48) .
  • the return pipe (25) extends below the particle collector (24) and is connected to the second inlet pipe (21) via a third valve (28) .
  • An upper blower (30) is equipped with an upper fan (44) activated by an upper motor (43) , and the air compressed by the upper blower (30) is sent to an air delivery pipe (31) .
  • the air delivery pipe (31) branches out to form two pipes, a pressurizing pipe (32) and an air supply pipe (33) .
  • the air supply pipe (33) is connected to the cover (29) via a fourth valve (34), so that the air supply pipe (33) is directly connected to the container (10) .
  • a throttle pipe (35) which bypasses the fourth valve (34) so that, even when the valve (34) is closed, air is supplied to the container (10) in order for oxidation to occur inside the container (10) .
  • a lower blower (18) is equipped with a lower fan (46) activated by a lower motor (45) .
  • the output side of the lower blower (18) is connected to a first end of the heating pipe (17) .
  • a heating pipe heater device (47) is located in the interior of the heating pipe (17) , and acts to heat the air sent by the lower blower (18) through the heating pipe (17) .
  • the second end of the heating pipe (17) is connected to the bottom portion of the catalyst box (15) .
  • a filter (49) is positioned above the connection between the second end of the heating pipe (17) and the catalyst box (15) .
  • a catalyst (50) is positioned above the filter (49) in the interior of the catalyst box (15) .
  • FIG. 4 shows the arrangement of the toilet (6) , the container (10) , the cover (29) and various other parts.
  • a shutter-blade (52) that is capable of moving horizontally back and forth is attached in the shutter (12) via a pivot. Depending on whether the shutter blade (52) moves right or left, the opening between the toilet (6) and the inlet pipe (11) is either open or closed.
  • FIG. 5 shows a rear view of the human waste disposal apparatus (5) of FIG. 2.
  • FIG. 6 is a block illustration of control circuits of the apparatus (5) .
  • the reading of the temperature sensor (41) is sent to a temperature discriminator cir ⁇ cuit (55) , and the output of the discriminator circuit (55) is sent to the central arithmetic circuit (56) comprised of microcomputers.
  • a user of the bathroom (1) sends a signal set off by an activating switch (57)
  • the signal is sent to a drying process activating circuit (58) .
  • the output from the drying process circuit (58) is sent to the central arithmetic circuit (56) .
  • a power switch (59) which activates and shuts off not only the central arithmetic circuit (56) but the entire apparatus system (5) , is also attached to the central arithmetic circuit (56) .
  • the control output that is generated by the central arithmetic circuit (56) is sent to a shutter control circuit (60) , a motor control circuit (61) , a valve control circuit (62) and a heater control circuit (63) , and all of these circuits are independently activated by the output of the central arithmetic circuit (56) .
  • Each one of these circuits activates the system for which it is responsible.
  • the shutter control circuit (60) is connected to and activates the shutter (12) .
  • the motor control circuit (61) is connected to and activates the gear box motor (13), the upper motor (43) and the lower motor (45) .
  • the valve control circuit (62) independently connects to and activates the first valve (20) , the second valve (22) , the third valve (28) and the fourth valve (34) .
  • the heater control circuit is connected to and activates the container heater (16) and the heating pipe heater device (47) .
  • FIGS. 7, 8, 9 and 10 illustrate flow charts that detail and diagram the flow of the functions of the human waste disposal apparatus (5) and process of the present invention.
  • the power switch (59) is turned on to signal the central arithmetic circuit (56) that the apparatus (5) is about to be used. This signal is sent to the motor control circuit (61) , the valve control circuit (62) and the heater control circuit (63) from the central arithmetic circuit (56) .
  • the heater control circuit (63) sends a signal to the heating pipe heater (47) to heat the heat ⁇ ing pipe (17) .
  • the upper motor (43) and the lower motor (45) are activated by the motor control circuit (61) .
  • the upper fan (44) that is activated by the upper motor (43) sends pressurized air " to the execu- tor (27) through the air delivery pipe (31) and the pressurizing pipe (32) .
  • this pressurized air flows through the executor (27) , a pressurized load is created inside the executor (27) . This load, in turn, draws the air from the catalyst box (15) .
  • the lower fan (46) starts blowing to draw air from the outside toward the heater pipe heating device (47) .
  • the heater pipe heating device (47) heats this air, and the air continuously warms the catalyst (50) .
  • the catalyst (50) is maintained at an even temperature suitable for oxidation-reduction reactions.
  • the first airflow is created by the upper blower (30) , the air delivering pipe (31) , the pressurizing pipe (32) and the executor (27) .
  • the second airflow is created by the lower blower (18) , the heating pipe (17) , the catalyst box (15) and the executor (27) .
  • the human waste disposal apparatus when in its standby state, the human waste disposal apparatus is ready to process human waste.
  • a user opens the door (4) , enters into the housing structure (3) and uses the toilet (6) .
  • the waste excreted is initially stored on the shutter (12) .
  • the central arithmetic circuit (56) then sends its output to the shutter control circuit (60) to activate the shutter (12) .
  • the shutter blade (52) moves horizontally in one direction, the connection between the bottom opening of the toilet (6) and the first end of the first inlet pipe (11) is opened.
  • the human waste that has accumulated on the shutter (12) falls down through the first inlet pipe (11) and into the container (10) .
  • the shutter control circuit (60) determines that the human waste has fallen into the container (10) and signals the shutter (12) to close the shutter blade (52) .
  • the shutter (12) installed between the toilet (6) and the inlet pipe (11) prevents an offensive odor from being emitted through the toilet (6) during the process of dehydration and vaporization.
  • the central arithmetic circuit (56) simultaneously signals the motor control circuit (61) to activate the gear box motor (13) .
  • the rotating output of the motor (13) is conveyed to the gear box (14) .
  • the speed of the rotating output is reduced and its direction is also changed by the gears in the gear box (14) .
  • the output causes the shaft (38) to rotate.
  • the plurality of churning blades (39) and the heat accumulators (40) at the bottom of the container (10) start to rotate and roll.
  • the valve control circuit (62) As the signal from the central arithmetic circuit (56) signals the motor control circuit (61) , the valve control circuit (62) simultaneously opens the first valve
  • the air supply pipe (33) and the throttle pipe (35) is created by the signals for opening and closing by the valve control circuit (62) , and the appropriate volume of air is supplied into the container (10) .
  • the air flowing from the upper blower (30) creates a constant airflow supply to the executor (27) via the air delivery pipe (31) and the pressurizing pipe (32) , and a pressurized load is constantly created in the executor (27) .
  • one airflow is sent into the container (10) through the upper blower (30) , the air delivery pipe (31), the air supply pipe (33) and the throttle pipe (35) .
  • a second airflow is created from inside the container (10) and sent through the exhaust pipe (19) and flows through the first valve (20) , the second inlet pipe
  • the central arithmetic circuit (56) simultaneously sends a signal to the heater control circuit (63) to activate the container heater (16) to begin heating the bottom of the container (10) .
  • the human waste in the container (10) is heated to a boiling point, and the major constituent of human waste, water, begins to evaporate.
  • the shaft (38) which is connected to and controlled by the gear box (14) causes the blades
  • the blades (39) also cause the globular heat accumulators
  • the vapors from the evaporation process flow from the container (10) through the exhaust pipe (19) , through the first valve (20) , through the second inlet pipe (21) and into the heating pipe (17) .
  • the vapors flow into the heating pipe (17) , they are mixed with the hot air formed by the heating pipe heater (47) . Since the temperature of the vapors drop during the flow process, the vapors are reheated once they enter into the heating pipe (17) . The reheated vapors then make their way to the catalyst box (15) .
  • the filter (49) located within catalyst box (15) and contact the surface of the catalyst (50) When the vapors flow through the filter (49) located within catalyst box (15) and contact the surface of the catalyst (50) , the offensive odors given off by the vapors are treated by an oxidation/reduction reaction in the catalyst (50) and are eliminated. Thereafter, the odor-free air flows through the catalyst box (15) and is drawn by the executor (27) and emitted to outside of the apparatus (5) .
  • the moisture vaporized in the container (10) is emitted into the outside air after being treated in the catalyst to remove the offensive odors (4) Self-cleaning the drying container and removing the remaining human waste particles.
  • the major constituent element of the human waste water
  • the heating process involving the drying and heating of the container (10) with the container heater (16), and using the churning blades (39) and heat accumulators (40) to move the human waste.
  • the remaining elements of human waste such as fiber, stay in the container (10) . If the dried materials of human waste are left in the container (10) during prolonged use of the apparatus (5) , they eventually adhere to the walls of the container (10) and the apparatus (5) becomes less efficient and eventually unable to process human waste.
  • a cleaning process must be provided to remove the materials left in the container (10) after each drying process.
  • This cleaning process involves removing the remaining materials by separating them from the airflow. Separation prevents the removed materials in the container (10) from being scattered into the air or from adhering to the catalyst box (15) .
  • the separation of the remaining materials in the container (10) is performed when the apparatus circuit senses the drying process is completed.
  • the container heater (16) continues to supply heat to the container (10) and raises the temperature of the container (10) .
  • a temperature sensor (41) senses this temperature rise and sends a signal to the temperature discriminator circuit (55) .
  • the temperature discriminator circuit (55) then signals to the central arithmetic circuit (56) that the water in the container (10) has been substantially or completely evaporated, and the cleaning process is activated.
  • the central arithmetic circuit (56) receives the signal from the temperature discriminator (55) , a signal is first sent to the heater control circuit (63) .
  • the heater control circuit (63) signals the container heater (16) to cease the heating of the container (10) .
  • the signal is then sent to the valve control circuit (62) and activates the opening of the second valve (22) , the third valve (28) , and the fourth valve (34) , while simultaneously activating the closing of the first valve (20) .
  • the airflow compressed by the upper blower (30) rushes into the container (10) .
  • a second airflow is also created from inside the container (10) and flows in the following sequence: from the container (10) to the exhaust pipe (19) , the second valve (22), the cleaning pipe (23), the particle collector box (24), the return pipe (25), the third valve (28), the second inlet pipe (21) and, lastly, the heating pipe (17) .
  • the particles of the remaining dried materials of the human waste are caught in the surface of the bag, and the particles are separated from the air in the particle collecting bag (48) .
  • the purified air flows through the return pipe (25) , the third valve (28) , the second inlet pipe (21) and finally into the heating pipe (17) . Since the air supplied by the lower blower (18) flows through the heating pipe (17) , the purified air that has been separated from the particles of the dried materials goes into the catalyst box (15) with the airflow and is drawn by the executor (27) and emitted into the outside air.
  • the gear box motor (13) keeps running to activate the shaft (38) , the churning blades (39) and the globular heat accumulators (40) inside the container (10) .
  • the globular heat accumulators (40) continue to roll on the bottom of the container (10) , and the dried materials accumulated at the bottom of the container and on the inside walls of the container (10) are crushed by the globular heat accumulators and eventually removed.
  • the dried materials left in the container (10) are completely pulverized by the crushing process of the rolling globular heat accumulators (40) and are substantially removed and cleansed by the rushing airflow generated by the air supply pipe (33) .
  • the human waste disposal apparatus (5) switches to its standby state in preparation for a next user of the temporary bathroom (1) .
  • the central arithmetic circuit (56) relays a signal to the motor control circuit (61) and the valve control circuit (62). Upon relay of this signal, the gear box motor (13) stops and the churning blades (39) subsequently stop rotating.
  • the first valve (20) opens and the second valve (22) , the third valve (28) and the fourth valve (34) simultaneously close.
  • the opening and closing of these valves causes the direction of the airflow to change.
  • the air from the upper blower (30) begins to flow into the container (10) via the air delivery pipe (31) , the air supply pipe (33) and the throttle pipe (35) .
  • a second airflow flows from the container (10) and into the heating pipe (17) via the exhaust pipe (19) , the first valve (20) and the second inlet pipe (21) .
  • the lower motor (45) inside the lower blower (18) continuously runs, and the heating pipe heater device (47) inside the heating pipe (17) is always energized, the air supplied by the lower blower (18) is heated when it comes in contact with the heating pipe heater device (47) .
  • This heated air then flows to the catalyst box (15) where the catalyst (50) is heated and maintained at a constant temperature level so that an oxidation/reduction reaction can be carried out.
  • the apparatus (5) is kept in a standby state, ready for the next dehydration and vaporization process, by creating the airflows described above and maintaining the catalyst (50) at a predetermined temperature level.
  • the human waste disposal apparatus (5) is capable of repeating the steps of the disposal process including: maintaining the apparatus in the standby state, dehydrating the human waste in the container, vaporizing the water from the human waste in the container, purifying the vapors, and cleaning the container and storing and separating the remaining waste particle.
  • the major constituent element of human waste, water is vaporized and the dried materials remaining in the container (10) are automatically removed and cleaned. Therefore, even after the apparatus is in use for a prolonged period of time, there are no dried materials left inside the container (10) and thus the human waste disposal apparatus (5) can used for a prolonged period of time.
  • the particle collecting bag (48) used to separate the dried material particles from the air is a simpler structure to use than a typical cyclone particle collector used in prior art particle collectors. More ⁇ over, the waste disposal apparatus and system does not pollute the environment because the particle collecting bag (48) collects even fine particles.
  • the particle collecting bags can be discarded when full, much like vacuum cleaner bags that collect particles during the vacuuming process. Thus, the process is very sanitary, requires simple disposal of the particle collecting bags, and requires less frequent collection of the waste.
  • FIG. 11 details another embodiment of the piping configuration of the human waste disposal apparatus (5) of FIG. 3. The majority of elements shown in this embodiment are identical to those shown in FIG. 3. However, several elements have been added and will be discussed in detail below.
  • a burning furnace (66) is provided and is installed at the bottom of the container (10) .
  • the furnace (66) is hollow and an upper surface portion of the furnace (66) is in contact with the lower surface of the container (10) .
  • the rear portion of the furnace (66) (toward the right side of FIG. 11) extends upward and has a vertical dividing partition (67) connected to the inside of the rear portion.
  • the furnace (66) interior is divided into two chambers by the vertical dividing partition (67) .
  • the first chamber located in front of the vertical dividing portion (67) toward the container (10) is a burning chamber (68) .
  • the second chamber located behind the vertical dividing partition (67) toward the rear of the apparatus is the catalyst chamber (69) .
  • the catalyst chamber (65) houses a catalyst (70) .
  • One end of the exhaust pipe (65) is connected to the pressurized load side of the executor (27) .
  • the fourth valve In order to dry the human waste stored in the container (10) shown in this embodiment, the fourth valve
  • the gear motors (13) , the upper motor (43) and the lower motor (45) are simultaneously activated.
  • the air is compressed and sent from the upper blowers (30) and the lower blower (18) , by activating the upper motor (43) and the lower motor (45), respectively.
  • the air flowing from the upper blower (30) supplies a small amount of air to the container (10) via the air supply pipe (33) and the throttle pipe (35) .
  • the upper blower (30) simultaneously blows air to the executor (27) through the pressurizing pipe (32) , and this causes a strong pressurized load to be generated in the executor (27) .
  • the pressurized load draws the air from inside the catalyst chamber (69) and through the ex- haust pipe (65) .
  • the air generated by the lower blower (18) flows into the burning chamber (68) via the burner pipe (71) and this air subsequently flows into the catalyst chamber (69) from the burning chamber (68) .
  • the first airflow is created by the upper blower (18) and flows through the exhaust pipe (71) , the burning chamber (68) , the catalyst chamber (69) , the exhaust pipe (65) and finally into the executor (27) .
  • the second airflow is created by the lower blower (30) and flows through the air delivery pipe (31) , the air supply pipe (33) , the throttle pipe (35) , the container (10) , the exhaust pipe (19) , the sixth valve (76) and finally to the releasing opening (78) .
  • the third airflow is created by the upper blower (30) and flows through the air delivery pipe (31) , the pressurizing pipe (32) and into the executor (27) .
  • a fuel pump (73) is activated and supplies fuel (75) through the opening of the fuel pipe (72) , through the burner pipe (71) and into the burning chamber (68) .
  • the fuel mixes with the air from the lower blower (18) and ignites, causing flames to be generated inside the burning chamber (68) .
  • the flame in the burning chamber (68) generates heat, which heats the bottom of the container (10) .
  • the container (10) is heated, the human waste stored in the container is heated and eventually begins to boil.
  • the water contained in the human waste evaporates and these water vapors flow along with air into the burning chamber (68) via the exhaust pipe (19) , the sixth valve (76) , the inlet pipe (77) and the releasing pipe (78) .
  • the vapors and other elements that release an of ⁇ fensive odor from the human waste are reheated in the burning chamber (68) , flow into the catalyst chamber (69) and come into contact with the catalyst (70) .
  • an oxidation/ reduction reaction takes place to eliminate the offensive odors.
  • the odor-free air then flows into the exhaust pipe (65) and is emitted outside of the apparatus. Since the air in the catalyst chamber (69) is drawn by the load generated in the executor (27) , the vapor and other elements flowing from the container (10) , are emitted into the outside air.
  • the temperature of the container (10) rises and the tempera- ture sensor (41) detects the rise in temperature and activates a signal to begin the cleaning process.
  • the self-cleaning process has been activated, -the fourth valve (34) and the fifth valve (79) are opened and the sixth valve (76) is closed.
  • the air generated by the lower blower (30) rushes into the container (10) through the air delivery pipe (31), the air supply pipe (33) and the fourth valve (34) .
  • the dried materials remaining in the container (10) are blown into the particle collecting bag
  • the particle collecting bag (82) separates the human waste particles from the airflow and sends the purified air toward the return pipe (83) .
  • the purified air then flows into the return pipe (83) and rushes into the burning chamber (68) through the dis ⁇ charge opening (84) .
  • the air continues to flow into the catalyst chamber (69) , through the exhaust pipe (65) , and is finally emitted into the outside air as a result of being drawn by the executor (27) .
  • a circuit After the self- cleaning process is activated and kept in activation for a fixed period of time, a circuit signals the completion of the process and stops the gear box motor (13) , which in turn stops the shaft (38) , the churning blades (39) and the heat accumulators (40) . Simultaneously, the amount of the fuel supplied by the fuel pump (73) is reduced and the flames in the burning chamber (68) are reduced, thus decreasing the temperature of the burning chamber (68) .
  • the human waste disposal apparatus (5) resumes its standby state, and prepares for the next dehydration and vaporization process by closing the fourth valve (34) and the fifth valve (79) and opening the sixth valve (76) .

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Treatment Of Sludge (AREA)
  • Non-Flushing Toilets (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Systèmes d'évacuation des déjections d'origine humaine, utilisés en association avec les toilettes mobiles. Il s'agit notamment d'un appareil et d'un procédé d'évacuation efficace de déjections par la déshydratation de celles-ci, l'évaporation de l'eau des déjections, et le stockage des matières solides restantes. Ledit appareil comporte un réservoir collecteur (10) pour les déjections, un dispositif de chauffage (16) servant à déshydrater les déjections en transformant la partie liquide en vapeurs, une boîte catalytique (15) servant à épurer les vapeurs, et une boîte collectrice de particules (24) servant à nettoyer le réservoir collecteur. Ledit procédé consiste à rassembler les déjections dans un réservoir (10), à déshydrater celles-ci au moyen de la chaleur et de l'air, à évaporer les liquides des déjections, à épurer les vapeurs ainsi formées, à nettoyer le réservoir par l'évacuation des matières solides restantes, et à rassembler et à stocker les déjections dans un sac collecteur de particules (48) pour en permettre l'évacuation. L'appareil et le procédé constituent un moyen hygiénique, facile et non polluant d'évacuer les déjections tout en éliminant les odeurs désagréables associées aux déjections d'origine humaine.
PCT/US1992/007881 1991-09-17 1992-09-17 Appareil et procede d'evacuation des dejections d'origine humaine Ceased WO1993005694A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3265237A JP2511344B2 (ja) 1991-09-17 1991-09-17 屎尿処理装置
JP3/265237 1991-09-17

Publications (1)

Publication Number Publication Date
WO1993005694A1 true WO1993005694A1 (fr) 1993-04-01

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ID=17414430

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Application Number Title Priority Date Filing Date
PCT/US1992/007881 Ceased WO1993005694A1 (fr) 1991-09-17 1992-09-17 Appareil et procede d'evacuation des dejections d'origine humaine

Country Status (3)

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JP (1) JP2511344B2 (fr)
AU (1) AU2682692A (fr)
WO (1) WO1993005694A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0622498A3 (en) * 1993-04-26 1994-12-07 Japanic Corp Raw sewage disposal apparatus.
WO2023026030A1 (fr) * 2021-08-24 2023-03-02 Cranfield University Appareil de traitement de déchets solides

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06312174A (ja) * 1993-04-28 1994-11-08 Japanic:Kk 屎尿処理装置
KR100397819B1 (ko) * 2000-06-29 2003-09-13 한갑용 소변 자동소각장치
KR101864067B1 (ko) * 2017-01-24 2018-06-01 박정치 분뇨 건조식 화장실

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US3733617A (en) * 1971-07-23 1973-05-22 C Bennett Disposal system for human waste
US3911506A (en) * 1971-04-16 1975-10-14 Jr James I West Incinerating commode
US4163294A (en) * 1977-11-18 1979-08-07 Patterson David D Toilet facility
US4254515A (en) * 1978-11-21 1981-03-10 Torao Kiyama Compost-type toilet equipment
US4313234A (en) * 1978-07-31 1982-02-02 Santerra Industries Ltd. Toilet
US4546502A (en) * 1983-03-14 1985-10-15 Lew Hyok S Evaporative waste disposal system
US4999930A (en) * 1988-05-21 1991-03-19 Kabushiki Kaisha Hikoma Seisakusho Raw sewage drying apparatus

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JPH0775702B2 (ja) * 1989-11-24 1995-08-16 株式会社彦間製作所 屎尿乾燥装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911506A (en) * 1971-04-16 1975-10-14 Jr James I West Incinerating commode
US3733617A (en) * 1971-07-23 1973-05-22 C Bennett Disposal system for human waste
US4163294A (en) * 1977-11-18 1979-08-07 Patterson David D Toilet facility
US4313234A (en) * 1978-07-31 1982-02-02 Santerra Industries Ltd. Toilet
US4254515A (en) * 1978-11-21 1981-03-10 Torao Kiyama Compost-type toilet equipment
US4546502A (en) * 1983-03-14 1985-10-15 Lew Hyok S Evaporative waste disposal system
US4999930A (en) * 1988-05-21 1991-03-19 Kabushiki Kaisha Hikoma Seisakusho Raw sewage drying apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0622498A3 (en) * 1993-04-26 1994-12-07 Japanic Corp Raw sewage disposal apparatus.
WO2023026030A1 (fr) * 2021-08-24 2023-03-02 Cranfield University Appareil de traitement de déchets solides

Also Published As

Publication number Publication date
AU2682692A (en) 1993-04-27
JP2511344B2 (ja) 1996-06-26
JPH0568963A (ja) 1993-03-23

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