EP1538962A1 - Toilettes seches en trois parties avec separation des urines - Google Patents

Toilettes seches en trois parties avec separation des urines

Info

Publication number
EP1538962A1
EP1538962A1 EP03733817A EP03733817A EP1538962A1 EP 1538962 A1 EP1538962 A1 EP 1538962A1 EP 03733817 A EP03733817 A EP 03733817A EP 03733817 A EP03733817 A EP 03733817A EP 1538962 A1 EP1538962 A1 EP 1538962A1
Authority
EP
European Patent Office
Prior art keywords
toilet
dry
container
dry toilet
composting
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.)
Withdrawn
Application number
EP03733817A
Other languages
German (de)
English (en)
Inventor
Mikael Billsund
Kjell Henriksson
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.)
Separett AB
Original Assignee
Separett AB
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 Separett AB filed Critical Separett AB
Publication of EP1538962A1 publication Critical patent/EP1538962A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00—Fertilisers from human or animal excrements, e.g. manure
    • C05F3/06—Apparatus for the manufacture
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. 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
    • 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
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/145—Feedstock the feedstock being materials of biological origin

Definitions

  • the present invention relates to a device at a urine separating dry toilet and more particularly to a device for facilitating emptying of the solid excrement which is collected in a container in the interior of the toilet.
  • Urine separating dry toilets also called urine separating environmental toilets
  • the odour arises in conventional dry toilets, i.e. toilets without water flushing and sewer; because urine and faeces are mixed in the same container wherein the mixture ferments and generates ammonium and also hydrogene sulfide which produces an unpleasant intense latrine odour which has to be aired away.
  • FIG. 1A, IB and 1C One example of existing installations of dry toilets 1 with separation of the human urine and the solid excrement is shown in Fig. 1A, IB and 1C.
  • a device for separating urine and faeces are positioned on a floor 160 and against a wall 140, which in general is an exterior wall.
  • the urine flows out of the toilet either through a sewage pipe 150 to the drain of a handbasin or of a shower, further to an infiltration in a sandbed or to a tank in order to be used later as fertilizer. In that way the urine can no longer cause any bad odour.
  • Ventilation is either established by natural ventilation or by means of a ventilation fan 132, usually in a ventilation package, that keeps the space inside the toilet clear of odour and humidity.
  • a ventilation fan 132 usually in a ventilation package
  • the separation of wet and dry products makes it odourless outdoors whither the ventilation air is directed through a ventilation channel such as a ventilation conduit 131.
  • the capacity of the toilet gets very high in combination with compact dimensions.
  • the urine which stands for about 85% of the volume which is directed away and the remainder 171, which ends up in the container 170, is lifted out together with the container, as shown in Fig. 1C, and is composted after that.
  • An empty container 170 is inserted into the toilet 100, which then can be used again.
  • the interior container 170, which is lifted out, is placed on an appropriate location in the garden. Earth is mixed into it and a cover is put on, however, an opening is left so that the compost is aired and the composting container 170 is left in this condition for approximately 6 months. Thereafter the contents are composted and constitutes an excellent soil improvement agent, which subsequently for example can be used in the garden.
  • Known urine separating dry toilets 100 commonly consist of two parts and comprise an upper part 110 and a lower part 120, wherein the upper part among other things comprises the toilet seat 111 and the toilet lid 112.
  • the compositing container 170 is located in the interior of the toilet 100 and the upper part 110 of the toilet 100 is arranged on top of the lower part 120.
  • the size of the composting container 170 is chosen as large as possible with respect to the interior space of the toilet so that a capacity as high as possible is ' achieved.
  • the composting container 170 When the composting container 170 is to be lifted out of the toilet, for example when it is full, the upper part 110 of the toilet 100 has to be removed from the lower part 120 as illustrated in Fig. 1C.
  • the upper part 110 is placed in a suitable location.
  • the upper part 110 has to be moved from the lower part because the composting container is too large to be removed through the upper toilet opening which is limited by the toilet seat.
  • the ventilation fan no longer fulfills the function of airing away the od
  • the upper part is mounted to the lower part by means of suitable fastening means such as screws.
  • the object of the present invention is to solve the problems described above in order to provide a separating dry toilet which easily can be emptied of the solid excrement, which is found in the interior of the dry toilet .
  • the invention comprises a dry toilet which separates urine and solid excrement according to claim 1, wherein the urine is conveyed away and the solid excrement is collected in a container in the inside of the toilet, which comprises a lower section and an upper section, wherein the toilet comprises a removable composting container and the upper section of the toilet comprises an upper part which can be moved between a closed and an open position, wherein the toilet is arranged to be used in the closed position.
  • the removable composting container can be conveyed or removed respectively from the toilet out of the lower section of the toilet through an opening between a middle part and the upper part of the toilet in the open position.
  • the upper section which comprises the upper part and the middle part as well as the lower section of the toilet are firmly connected to each other.
  • Fig. 1A is a sectional side view showing a prior art urine separating dry toilet
  • Fig. IB is a planar view showing the same known toilet seen from above;
  • Fig. 1C is an illustration of the emptying of known dry toilets
  • Fig. 2A is a perspective view showing a preferred embodiment of a three part dry toilet according to the inven ion;
  • Fig. 2B is a transparent planar view showing the toilet according to the embodiment from above with sectional surfaces A-A and B-B;
  • Fig. 2C is a sectional view through the toilet along the line A-A in Fig. 2B;
  • Fig. 2D is a sectional view through the toilet along the line B-B in Fig. 2B;
  • Fig. 3 is a perspective view showing the main components of the three part toilet;
  • Fig. 4 is a perspective view showing the toilet in raised position
  • Fig. 5 is a perspective view seen from below showing the middle part and the upper part of the toilet
  • Fig. 6 is a perspective view seen from below showing the upper part ;
  • Fig. 7 is a perspective view showing the lower part of the toilet; and Fig. 8 is a perspective view over a composting container with a cover according to the embodiment.
  • Figs. 2 to 8 illustrate a preferred embodiment of the invention.
  • Fig. 2A shows a urine separating dry toilet 200 according to the invention in an assembled state ready for use.
  • the connection for electricity, urine sewer and exhaust air are connected in a suitable way when the toilet is placed into a suitable room.
  • the exhaust air is by means of a channel 216 connected to a sleeve coupling at the top of the upper side of the middle part.
  • Electricity is connected by means of an accompanying cable through a hole 247 in the lower part 220 which has an integrated bushing which is positioned in the rear area of the upper part according to Fig. 7.
  • the pipe of the urine drain is also drawn out through the rear section of the lower part or alternatively on the left or right side.
  • the toilet 200 consists of a middle part 210 and a lower part 220, which are assembled in a tightly sealing manner at an edge 213.
  • an upper part 230 which is assembled with the middle part 210 at an edge 214.
  • the upper part 230 also has a toilet seat 231 and a toilet lid 232.
  • the Figs. 2C and 2D show in an elucidating way how certain details of the toilet, such as the sewer pipe 215, which run inside the toilet 200.
  • Fig. 3 the middle part 210, the lower part 220 and the upper part 230 of the toilet 200 from Fig. 2 are shown removed from each other so that certain details, which are located in the interior of the toilet in the assembled state, can be better perceived.
  • the upper part 230 comprises a urine separator 233 which leads to a sewer pipe 215 for urine in the middle part 210.
  • the middle part 210 comprises fastening means 211, 212 for fastening the upper part to the middle part 210.
  • the fastening means 211, 212 will be described below in more detail.
  • the lower part 220 comprises a ventilation fan in a ventilation fan housing 223 for the purposes of generating exhaust air, removing bad odour and drying the solid excrement, which is located in a composting container 221, which e.g. can be a bucket-like plastic container.
  • the air flows through a ventilation grill in the insight protection with a downwards directed action for a maximum evaporation and is taken in between the upper part and the seat at its front edge.
  • the ventilation fan is surrounded by a Basotec-like material in the ventilation fan housing. This leads to a reduction of vibrations and of the sound level.
  • the ventilation fan housing is also a fastening means for a connection splint on the outside of the ventilation fan housing.
  • the ventilation fan housing is at its lower part screwed on the lower part of the toilet, as e.g. in attachment wells with plastic nuts applied to screws.
  • a gasket lies on top of the ventilation fan housing against the underside of the sleeve coupling of the middle part in order to reduce vibrations in that direction.
  • the filter which is arranged on a filter carrier at the ventilation fan housing, is another function of the ventilation fan housing 223.
  • the filter carrier is shaped so that one easily can remove the filter by taking up an easily holdable handle for removal and cleaning of the filter itself.
  • the composting container 221 which is located in the interior of the toilet, is shown with a cover 222 fitted onto the container, wherein the cover is removed before the toilet is put into use.
  • the cover 222 is used during the composting period.
  • the toilet 200 is shown in Fig. 4 in an assembled condition with the upper part 230 in raised position so that it is possible to remove the composting container 221 out of the toilet 200.
  • the upper part 230 is fixed with fastening means 212, which engage the rear underside of the upper part and which are fixed connected with arms 211.
  • the arms are connected with the middle part 210 at its upper rear inner side by means of an axis 237, which is shown in Fig. 5, so that the upper part can pivot with a circular motion around axis 237 towards the middle part 210 as illustrated in Fig. 4.
  • the upper part 230 is kept in the open position by means of hooks 238, which are articulately connected with fastening means 211, 212.
  • the upper part 230 also comprises the urine separating part 233 with a leadthrough 234 to the urine sewer and with an insight protection 235.
  • the urine drain is preferably equipped with a grill as shown in Fig. 4 at the leadthrough 234 so that no foreign objects can pass down the urine drain.
  • the inside protection 235 obstructs direct insight into the composting container 221 when one opens the toilet lid.
  • the inside protection 235 is moved aside in order to give away to a opening from above to the composting container when one sits down onto the toilet seat and the wire 242 is stretched.
  • Fig. 5 shows the upper part 230, which is assembled with the middle part 210, from below in closed position.
  • the axis 237 is located on the rear inside the interior of the middle part 210.
  • the arms 211 and consequently also the upper part 230 are pivoted in axis 237.
  • An axis 241 is arranged on each arm 211 in order to pivotly connect the upper part with the hooks 238.
  • Fastening means 236 such as screws engage fasteners 226, such as screw wells, in the lower part, as shown in Fig. 7, and hold the middle part 210 in position when the toilet 200 is in the assembled state according to Fig. 1.
  • the upper part 230 is shown and also that the arms 211 have holes 217 through which the axis 237 runs in the assembled state of the toilet 200.
  • a moving device 243 is activated each time one sits down onto the seat 231.
  • the device 243 serves a selfacting dual purpose which on one hand is to move the insight protection 235 by means of wire 242 so that it pivots aside, and on the other hand to .simultaneously move a rotating disc 225 with the container 221 by means of a peg which pushes a button in the middle part and which then goes through a wire 250 (see Figs. 2A, 2B) down to rotating mechanism 251.
  • a rotating disc is located on a shoulder 252 and is driven by means of a rotating mechanism 251 for example by means of hooks which engage recesses/hooks in the side wall of the rotating disc.
  • the rotating mechanism 251 is designed with an integrated spring function which gives a constant load in order to hitch into the hooks of the wall of the rotating disc.
  • the lower part 220 of toilet 200 is shown in Fig. 7 and comprises the aforedescribed fasteners 226.
  • Wings 227 are designed in such a way that the middle part 210 is directed into position when it is put into position at the time of the assembly of the toilet. Moreover, the wings 227 increase the stability of the toilet in the assembled state because they prevent that the walls of the middle part 210 move from their ideal position.
  • a rotating disc 225 for the composting container 221 is rotatably designed so that the composting container 221 is kept in position, yet it can revolve after each use of the toilet in order to evenly distribute the solid excrement in the composting container 221.
  • the lower part also comprises a fastening means 246 which matches the lower part of the ventilation fan housing 223.
  • Passages 244 for sewer pipes on the right and left rear side of the lower part make the toilet adaptable to installation requirements.
  • the sewer pipe is connected to the urine separator by means of an O-ring along with a bayonet joint so that the parts cannot disconnect from each other.
  • the sewer pipe is designed with an oval shape (see Fig. 2B) in order to save ID
  • the lower part also comprises a fastening means 245 for the toilet.
  • Means 245 are intended for a carrier plate for fastening of a console which is screwed to a wall during installation of the toilet.
  • a flexible list 248, such as a silicone list is fixed to the underside of the lower part and has the function to seal against the floor in case the floor is uneven and also to prevent water from e.g. a shower, as well as other liquids, from penetrating under the toilet.
  • a ball track 255 is integrated into the lower part and the rotating disc.
  • Leakage liquid which possibly can originate from the composting container in the toilet is collected in collecting area 254 by way of the design of the ball track 255 and the shoulder 252, so that leakage liquid is collected, dries up and in that way cannot harm parts in the interior of the toilet and also that a certain amount of leakage liquid is collected before it can flow out of the toilet.
  • the composting container 221 is moved out of the toilet by way of opening the upper part a short distance, so that there is room for the cover in the gap which is formed between the upper part and the middle part, and thereafter the cover is introduced into the gap between the upper part and the middle part .
  • the cap ends up in the correct position in relation to the container.
  • the upper part is raised to its upper position.
  • possible urine remainders which are left in the urine separator 233, end up in the container 221 by the remainders flowing down into the container in an appropriate way.
  • the cover is pressed upon the container.
  • a composting container 221 is shown with a cover 222, wherein the container is in composting position.
  • a spacer latch 253 is folded down and locks in a particular position so that the faeces are supplied with air and can be composted.
  • the container 221 is preferably used with a suitably rigidity of the closure between the cover 222 and the container 221.
  • the spacer latch 253 is also shown in
  • Fig. 3 in a position in which the cover terminates sealingly on the container 221 so that the odour remains inside the container when one lifts a filled container out of the toilet.
  • the upper part 230 When the upper part 230 is raised, its center of gravity is arranged in such a way that the seat 231 and the lid 232 remain in their positions.
  • the seat is fastened to the underside of the upper part, e.g. with screws and nuts.
  • the exterior walls of the middle part 210 consist at least partly of two part sandwich walls 249 in order to increase the mechanical stability of the toilet together with the above described wings 227 of the lower part. By using two part sandwich walls instead of thick, solid exterior walls the stability of the toilet is increased and 1 ⁇
  • the toilet is at the same time lighter than a toilet with solid exterior walls and comparable stability.
  • the lower part 220 and the upper part 230 preferably scratch resistant polypropylene is used as material because this material is scratch resistant, has good impact resistance, is colour-fast (fade resistant), light-proof, accurate shapable and recyclable.
  • the composting container is preferably manufactured of flame resistant polypropylene according to the standard UL V0.1,9 mm because this material is selfextinguishing, UV-proof and has good permeability.
  • the toilet 200 can be positioned in any room, without any requirements on the room temperature. It must be possible to convey the urine away and to install a ventilation pipe and there must also be access to electricity in order to operate the ventilation fan.
  • the ventilation outlet can take place through a wall or a ceiling/roof.
  • the toilet comprises a condensation collector, which handles possibly occuring condensation water from the exhaust air channel , whereby the condensation water is conveyed to the sewer pipe.
  • the urine drain can lead to the sewer of a handbasin or a shower, to infiltration in a sandbed or to a tank, such as an ejector tank.
  • the invention has been described in detail with reference to a preferred embodiment. However, the invention can be carried out by means of other embodiments within the scope of the invention.
  • the urine separator and the insight protection form a unit which is arranged between the upper part and the middle part and is removed when the upper part has been opened from the middle part for removal of the composting container.
  • the lower part and the middle part in one piece and to have an openable insert part in the upper part in order to reach the interior of the toilet .

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Fertilizers (AREA)
  • Treatment Of Sludge (AREA)
  • Non-Flushing Toilets (AREA)

Abstract

L'invention concerne des toilettes sèches (200) dans lesquelles sont séparés les urines et les excréments solides, les urines étant transportées ailleurs et les excréments solides étant récupérés dans un récipient (221) de compostage à l'intérieur des toilettes. Les toilettes comprennent une partie inférieure (220) et une partie centrale (210). Les toilettes (200) renferment un récipient (221) de compostage amovible. Les toilettes comprennent également une partie supérieure (230) pouvant être retirée entre une position fermée et une position ouverte, le récipient de compostage amovible pouvant être retiré des toilettes à partir de la partie inférieure des toilettes (200) par une ouverture entre la partie centrale (210) et la partie supérieure (230) des toilettes (200) dans la position ouverte, la partie centrale (210), la partie inférieure (220) et la partie supérieure (230) des toilettes (200) étant solidement connectées les unes aux autres.
EP03733817A 2002-07-23 2003-07-02 Toilettes seches en trois parties avec separation des urines Withdrawn EP1538962A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0202312 2002-07-23
SE0202312A SE526298C2 (sv) 2002-07-23 2002-07-23 Tredelad urinseparerande torrtoalett
PCT/SE2003/001153 WO2004008930A1 (fr) 2002-07-23 2003-07-02 Toilettes seches en trois parties avec separation des urines

Publications (1)

Publication Number Publication Date
EP1538962A1 true EP1538962A1 (fr) 2005-06-15

Family

ID=20288631

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03733817A Withdrawn EP1538962A1 (fr) 2002-07-23 2003-07-02 Toilettes seches en trois parties avec separation des urines

Country Status (6)

Country Link
EP (1) EP1538962A1 (fr)
CN (1) CN1247145C (fr)
AU (1) AU2003239101A1 (fr)
NO (1) NO325244B1 (fr)
SE (1) SE526298C2 (fr)
WO (1) WO2004008930A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20065512L (fi) * 2006-08-15 2008-02-16 Biolan Oy Kompostointilaite ja menetelmä jätteiden kompostoimiseksi
CN101612013B (zh) * 2008-06-26 2011-07-06 粘清富 免冲水的坐便式马桶结构
DE102014012311A1 (de) * 2014-08-16 2016-02-18 3P Technik Filtersysteme Gmbh Trockentoiletteneinrichtung
US11172790B2 (en) 2018-07-11 2021-11-16 Alaska Native Tribal Health Consortium Portable body waste collection and sanitation system
US11690484B2 (en) 2018-07-11 2023-07-04 Alaska Native Tribal Health Consortium Portable washbasin system
WO2020243621A1 (fr) * 2019-05-29 2020-12-03 Alaska Native Tribal Health Consortium Toilettes pour système d'assainissement
WO2022195260A1 (fr) 2021-03-13 2022-09-22 Compo Closet Ltd Toilettes à compostage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE93899C1 (fr) *
US4373219A (en) * 1980-04-07 1983-02-15 Gruber Systems, Inc. Cast toilet base structure
IE812955L (en) * 1981-12-16 1983-06-16 Jack Daniel Rooke Closets
DE3941939A1 (de) * 1989-12-19 1991-06-20 Johannes Loebbert Trockentoilette mit verschliessbarem behaelter zur aufnahme von faekalien
NO307296B1 (no) * 1996-12-10 2000-03-13 Ecotech As Komposteringsbeholder
SE511420C2 (sv) * 1997-03-10 1999-09-27 Bertil Oestbo Behållare till komposteringsanordning
DE29709258U1 (de) * 1997-05-27 1997-11-20 Lehmann, Paulus Johannes, Dipl.-Ing., 88147 Achberg Wechsel-Eimer-Toilette
SE513384C2 (sv) * 1998-05-12 2000-09-04 Bertil Oestbo Toalettstol för anslutning till en komposteringsbehållare

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004008930A1 *

Also Published As

Publication number Publication date
SE0202312L (sv) 2004-01-24
AU2003239101A1 (en) 2004-02-09
SE526298C2 (sv) 2005-08-16
NO20050946L (no) 2005-02-22
CN1247145C (zh) 2006-03-29
WO2004008930A1 (fr) 2004-01-29
NO325244B1 (no) 2008-03-10
SE0202312D0 (sv) 2002-07-23
CN1470210A (zh) 2004-01-28

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