CA1332081C - Above-ground septic system - Google Patents
Above-ground septic systemInfo
- Publication number
- CA1332081C CA1332081C CA000580317A CA580317A CA1332081C CA 1332081 C CA1332081 C CA 1332081C CA 000580317 A CA000580317 A CA 000580317A CA 580317 A CA580317 A CA 580317A CA 1332081 C CA1332081 C CA 1332081C
- Authority
- CA
- Canada
- Prior art keywords
- receptacle
- composting
- casing
- effluent
- drainage holes
- 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.)
- Expired - Fee Related
Links
- 238000009264 composting Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000010865 sewage Substances 0.000 description 13
- 238000000354 decomposition reaction Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000010800 human waste Substances 0.000 description 4
- 235000019645 odor Nutrition 0.000 description 3
- 239000003415 peat Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001499583 Microchera albocoronata Species 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F11/00—Cesspools
-
- 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
- C05F3/04—Fertilisers from human or animal excrements, e.g. manure from human faecal masses
-
- 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
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
An above-ground septic system comprising inner and outer casings, having heat insulating means therebetween, and apertures for receiving an effluent-carrying pipe; an invertable effluent receptacle in the inner casing, for receiving effluent through a top aperture, having drainage holes in its bottom; a composting tray, disposed under the effluent receptacle, having a slidably removable liquid-separator cover sheet, and having drainage holes in its bottom wall; a liquid holding tank disposed under the composting tray having drainage and overflow pipes draining it into a cesspool outside of said outer casing.
An above-ground septic system comprising inner and outer casings, having heat insulating means therebetween, and apertures for receiving an effluent-carrying pipe; an invertable effluent receptacle in the inner casing, for receiving effluent through a top aperture, having drainage holes in its bottom; a composting tray, disposed under the effluent receptacle, having a slidably removable liquid-separator cover sheet, and having drainage holes in its bottom wall; a liquid holding tank disposed under the composting tray having drainage and overflow pipes draining it into a cesspool outside of said outer casing.
Description
1 33208 ~
ABOVE-GROUND SEPTIC SYSTEM
BACKGROUND OF THE INVENTION
Field of the Invention The present invention relates generally to human waste disposal systems and more particularly to a disposal unit which processes and disposes of sewage by way of compostin~. -~: ' ''' Prior Art of the Invention -.
The disposal of human waste by way of composting is 10 well known. It is common practice in presently known ~-disposal units to locate the casing of the unit inside or under heated buildings. This is necessary as the inside area of the casing must be at a temperature of at least 10C Centigrade for the composting process to ;
occur. If the temperature of the inside of the casing falls below this value, decomposition of the waste `
essentially ceases. Presently known units usually have an electrical fan and/or an internal electrical heater inside the casing to maintain the temperature of the casing above lO'C. The internal electrical heater is ~:
also used to evaporate the liquid component of ~he sewage, thereby creating a moist environment which "'';
` Ar ,~ "
facilitates decomposition. The fan circulates the air inside the casing and removes excess evaporated water vapour and odors created by the decomposing sewage.
A disadvantage of the presently known decomposition units is that locating the casing in or under existing buildings requires a large heated space be set aside, to accommodate the casing. In some locations rock, soil or groundwater conditions may prevent installation of a casing under an existing building or may make installation difficult and expensive.
Difficulties with these units may also be experienced if the heating element or fan ceases to function, through a power failure for example. The drop in the temperature of the unit may halt the composting process, and the lack of air extraction may allow unpleasant odors to escape into the building, These difficulties are overcome by the present ~
,~ invention in that the casing of the unit of the present ;
invention is a free-standing structure which is designed `
to be located out of doors. This eliminates the need for the provision of a large heated space in or under existing buildings, eliminates possible indoor odor problems, and allows for the installation of decomposition units in areas where environmental conditions are unfavourable for the installation of septic tanks. The unit functions without internal or ~-external electric fans and is operated without electrical power when the outdoor ambient temperatures are above ~0 C Centigrade.
The closest prior art known are composting toilets marketed by Sun-Mar Corporation of Dundas, Ontario, ~
Canada under the trade marks TROPIC and BOWLI, where all ~;
components except for the cesspool are contained in a single indoor unit (toilet).
SUMMARY OF THE INVENTION
: :
The present invention provides a reliable, easily ;
managed, environmentally safe, human waste disposal unit :~
which can be manufactured relatively inexpensively.
Further the present invention provides a unit for human waste disposal for use in areas where rock, soil, -water and land elevations create installation problems ,:
..,., ".:
for septic tank sewage systems.
The disposal unit of the present invention comprises an inner casing and an outer casing, with a layer of insulating material therebetween. An inlet is provided in the inner and outer casings for insertion of a sewage inlet pipe.
A holding basket having an opening in its uppermost surfac~ is positioned inside the inner casing in ~ proximity of the inlet. When raw sewage flows into the ~;~
; 10casing, it flows into the opening in the holding basket.
The holding basket is also provided with a number of drainage holes in its base. The liquid component of the sewage drains out of the holding basket, leaving the solid component inside, 15A composting receptacle is positioned directly -~
under the holding basket. The receptacle has an opening in its uppermost surface and a number of drainage holes ,; in its base.
A retractable liquid separator sheet is disposed between the base of the holding basket and the ~ 332081i composting receptacle, thereby forming a "lid" for the receptacle. Liquid draining from the holding basket is deflected by the liquid separator sheet into a liquid holding tank directly under the composting receptacle.
The solids are held within the holding basket for a number of days after which they are dumped into the composting receptacle. This is achieved by rotating the holding basket 180 by means of a handle.
The solids may be left in the composting receptacle for a number of months until decomposition is almost complete. The composting receptacle is then removed ;~
from the unit and stored out of doors for a few weeks `~
after which the earth-like substance is dumped. ~-'-Air circulation in the disposal unit of the present ~;;
,::
system is achieved by way of natural convection. Air vents are provided in the area between the top of the llquid holding tank and the bottom of the composting `~
! receptacle. No electric fans are necessary. ~ ~
,:
A heating cable is spiraled around the bottom third `~
of the inner casing to ensure that the internal ':.''.'"
:
temperature of the inner casing is maintained above 10 C.
BRIEF DESCRIPTION OF TH~ DRAWINGS
:
The preferred embodiment of the present ; 5 invention will now be described in more detail with the aid of the annexed drawings, in which:
Fig. 1 is a side view of the inside of the system .
according to the present invention;
~; Fig. 2 is a perspective of the inside components in ~; l0 the inner casing; and Fig. 3 is a perspective of the outer casing.
::
DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring to figures 1, 2 and 3, the decomposition unit of the present invention comprises an inner casing 11 and an outer casing 12, both of which are constructed of glass reinforced plastic. The unit is free-standing and is located out of doors at ground level. A drain;~
pipe 13, leads out of a building 14 and connects to a `~
sewage inlet pipe 15. The inlet pipe 15 angles downwardly and enters the side of the inner casing 10, . ' '~ .:
'~ ~
! :
1 33208 1 : ~
terminating directly above an opening 16 in a cylindrical holding basket 17, which is supported by supports 18, 18'. The holding basket 17 is rotatable by means of a handle 19. The base of the holding basket 17 has small drainage holes 20 through which the liquid component of the sewage flows leaving the solid component in the holding basket 17. The drainage holes 20 also allow air to enter into the holding basket 17.
Directly beneath the holding basket 17 is a drawer-like composting receptacle 21. The receptacle 21 is slidably disposed on a track 22, and may be withdrawn from the casing 11 by means of a handle 23 positioned on the front face of the receptacle 21, The receptacle 21 has a plurality of drainage holes 24 in its base and ; ~
sides. These drainage holes 24 allow liquid to drain ~ ;
from the receptacle 21 into the liquid holding tank 25 ~:
which is positioned directly beneath the composting receptacle 21. The drainage holes 24 also allows air to .
enter into the receptacle. ~
A liquid separator sheet 26 slides on top of and ~.
covers the composting receptacle 21, thereby forming a "lid" from the receptacle 21. The separator sheet 26 t 33 208 1 ~ 8 has bevelled edges 27 which let the liquid from the holding basket 17 flow downwardly into the liquid holding tank 25. A handle 28 permits withdrawal of the sheet 26 off the composting receptacle 21. A stopper 29 S is provided to prevent complete removal of the sheet 26 off the composting receptacle 21.
The liquid holding tank 25 is directly under the composting receptacle 21. A drain outlet 30 is provided on the side of the tank, proximate the base, and an overflow outlet 31 is provided on the side of the tank 25 proximate the top. The drain outlet 30 and overflow outlet 31 lead to a cesspool 32.
A plurality of air inlet vents 33 are located on both sides of the casing 11 in the area between the lS bottom of the composting receptacle 21 and the liquid holding tank 25. An air exhaust vent 34 is located in the uppermost surface of the casing 11.
An electrical heating cable 35 is spiraled around the lower third of the casing 11 and a thermostate 36 20 for monitoring the temperature of the casing 11 is :
located on a side of the casing 11. ~ ;
The outer casing 12 surrounds the inner casing 11 and is comprised of upper and lower sections 12a,12b which are ~joined together. Rigid thermal insulation 37 is attached to the innermost surface of outer casing 12 to lessen heat loss. The outer casing has a sewage inlet opening 38 positioned to receive the inlet pipe lS. Air intake vents 39 and an air exhaust vent 40 are ; ~.
positioned on the outer casing 12 to correspond with the air inlet vents 33 and air exhaust vent 34 of the inner casing ll. An airflow damper 41 is located on the outside of the casing 12 at the opening for the air intake vent 39. The air exhaust vent 40 has a rain and snow cap 42. :
"~ '. "
The outer casing 12 is also provided with a composting receptacle opening 43 through which the composting receptacle 21 may be withdrawn in order to .~:~
empty it. Th~ perimeter of the composting receptacle opening 43 is provided with a weather seal gasket 44.
The outer casing 12 is also provided with a holding ! ~ 20 basket handle opening 45 which lines up with the holding basket handle 19-i i:
The decomposition unit functions as follows. Raw sewage enters the decomposition unit through the inlet pipe 15 and flows into the holding basket 17 via the 16. The liquid content of the sewage drains, by gravity, through the drainage holes 20 in the base of the holding basket 17, and onto the liquid separator sheet 26 of the composting receptacle 21. The solid component of the sewage remains in the holding basket 17. The liquid is directly downwardly off the separator sheet 26 and into the liquid holding tank 25.
,::
The solids remain in the holding basket 17 for a ;~
four to five day period of usage. After this period, the liquid separator sheet 26 is withdrawn from the composting receptacle 21, by means of the handle 28, -~
lS until the stop bar 29 engages. The holding basket 17 is then rotated 180 in a clockwise direction by moving the ~ , handle 19 so that it faces upwardly. The solid content of the holding basket 17 fall downwards through the opening 16 into the now open composting receptacle 21.
- 20 The~holding basket 19 is then rotated 180 i ` ~
counterclockwise until the handle 19 faces down~ardly. ~;
The liquid separator sheet 26 is then pushed back into ;~
its original position.
'~'' 1 3320~
The composting receptacle 21 has been "prechar~ed"
with peat moss and vegetable clippings. These are placed in the composting receptacle 21 before it is inserted into the casing 11. The peat moss retains the necessary moisture content while the vegetable clippings -begin the decomposition process.
Air circulation is provided by the principle of ~;
convection with air entering the casings 11,12 through the air inlet vents 39,33, flowing upwardly through the composting receptacle 21 and holding basket 17, and being exhausted through the exhaust vents 34,40.
After several months of usage, generally between ~`
five and ten, the composting receptacle 21 is removed from the casing by pulling outwards on the handle 23 and removing the receptacle 21 through the receptacle opening 43 in the outer casing 12. A "precharged"
replacement composting receptacle 21 is then inserted into the unit. The composting receptacle which has been removed is stored out of doors for two to three weeks until the composting process is complete and the contents have formed an earth-like substance. The ' ,;
'.''''''.'`: ',,''' '''',,.".''"'.'''';,' ''' '' ~ ' contents of the receptacle are then dumped and the receptacle is ready for re-use.
. ~
1' . ~ ' ' ~,.
;~ ''.~:,"
:.:
~-'''.'''', ' ,'~'.
,''''' ~'
ABOVE-GROUND SEPTIC SYSTEM
BACKGROUND OF THE INVENTION
Field of the Invention The present invention relates generally to human waste disposal systems and more particularly to a disposal unit which processes and disposes of sewage by way of compostin~. -~: ' ''' Prior Art of the Invention -.
The disposal of human waste by way of composting is 10 well known. It is common practice in presently known ~-disposal units to locate the casing of the unit inside or under heated buildings. This is necessary as the inside area of the casing must be at a temperature of at least 10C Centigrade for the composting process to ;
occur. If the temperature of the inside of the casing falls below this value, decomposition of the waste `
essentially ceases. Presently known units usually have an electrical fan and/or an internal electrical heater inside the casing to maintain the temperature of the casing above lO'C. The internal electrical heater is ~:
also used to evaporate the liquid component of ~he sewage, thereby creating a moist environment which "'';
` Ar ,~ "
facilitates decomposition. The fan circulates the air inside the casing and removes excess evaporated water vapour and odors created by the decomposing sewage.
A disadvantage of the presently known decomposition units is that locating the casing in or under existing buildings requires a large heated space be set aside, to accommodate the casing. In some locations rock, soil or groundwater conditions may prevent installation of a casing under an existing building or may make installation difficult and expensive.
Difficulties with these units may also be experienced if the heating element or fan ceases to function, through a power failure for example. The drop in the temperature of the unit may halt the composting process, and the lack of air extraction may allow unpleasant odors to escape into the building, These difficulties are overcome by the present ~
,~ invention in that the casing of the unit of the present ;
invention is a free-standing structure which is designed `
to be located out of doors. This eliminates the need for the provision of a large heated space in or under existing buildings, eliminates possible indoor odor problems, and allows for the installation of decomposition units in areas where environmental conditions are unfavourable for the installation of septic tanks. The unit functions without internal or ~-external electric fans and is operated without electrical power when the outdoor ambient temperatures are above ~0 C Centigrade.
The closest prior art known are composting toilets marketed by Sun-Mar Corporation of Dundas, Ontario, ~
Canada under the trade marks TROPIC and BOWLI, where all ~;
components except for the cesspool are contained in a single indoor unit (toilet).
SUMMARY OF THE INVENTION
: :
The present invention provides a reliable, easily ;
managed, environmentally safe, human waste disposal unit :~
which can be manufactured relatively inexpensively.
Further the present invention provides a unit for human waste disposal for use in areas where rock, soil, -water and land elevations create installation problems ,:
..,., ".:
for septic tank sewage systems.
The disposal unit of the present invention comprises an inner casing and an outer casing, with a layer of insulating material therebetween. An inlet is provided in the inner and outer casings for insertion of a sewage inlet pipe.
A holding basket having an opening in its uppermost surfac~ is positioned inside the inner casing in ~ proximity of the inlet. When raw sewage flows into the ~;~
; 10casing, it flows into the opening in the holding basket.
The holding basket is also provided with a number of drainage holes in its base. The liquid component of the sewage drains out of the holding basket, leaving the solid component inside, 15A composting receptacle is positioned directly -~
under the holding basket. The receptacle has an opening in its uppermost surface and a number of drainage holes ,; in its base.
A retractable liquid separator sheet is disposed between the base of the holding basket and the ~ 332081i composting receptacle, thereby forming a "lid" for the receptacle. Liquid draining from the holding basket is deflected by the liquid separator sheet into a liquid holding tank directly under the composting receptacle.
The solids are held within the holding basket for a number of days after which they are dumped into the composting receptacle. This is achieved by rotating the holding basket 180 by means of a handle.
The solids may be left in the composting receptacle for a number of months until decomposition is almost complete. The composting receptacle is then removed ;~
from the unit and stored out of doors for a few weeks `~
after which the earth-like substance is dumped. ~-'-Air circulation in the disposal unit of the present ~;;
,::
system is achieved by way of natural convection. Air vents are provided in the area between the top of the llquid holding tank and the bottom of the composting `~
! receptacle. No electric fans are necessary. ~ ~
,:
A heating cable is spiraled around the bottom third `~
of the inner casing to ensure that the internal ':.''.'"
:
temperature of the inner casing is maintained above 10 C.
BRIEF DESCRIPTION OF TH~ DRAWINGS
:
The preferred embodiment of the present ; 5 invention will now be described in more detail with the aid of the annexed drawings, in which:
Fig. 1 is a side view of the inside of the system .
according to the present invention;
~; Fig. 2 is a perspective of the inside components in ~; l0 the inner casing; and Fig. 3 is a perspective of the outer casing.
::
DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring to figures 1, 2 and 3, the decomposition unit of the present invention comprises an inner casing 11 and an outer casing 12, both of which are constructed of glass reinforced plastic. The unit is free-standing and is located out of doors at ground level. A drain;~
pipe 13, leads out of a building 14 and connects to a `~
sewage inlet pipe 15. The inlet pipe 15 angles downwardly and enters the side of the inner casing 10, . ' '~ .:
'~ ~
! :
1 33208 1 : ~
terminating directly above an opening 16 in a cylindrical holding basket 17, which is supported by supports 18, 18'. The holding basket 17 is rotatable by means of a handle 19. The base of the holding basket 17 has small drainage holes 20 through which the liquid component of the sewage flows leaving the solid component in the holding basket 17. The drainage holes 20 also allow air to enter into the holding basket 17.
Directly beneath the holding basket 17 is a drawer-like composting receptacle 21. The receptacle 21 is slidably disposed on a track 22, and may be withdrawn from the casing 11 by means of a handle 23 positioned on the front face of the receptacle 21, The receptacle 21 has a plurality of drainage holes 24 in its base and ; ~
sides. These drainage holes 24 allow liquid to drain ~ ;
from the receptacle 21 into the liquid holding tank 25 ~:
which is positioned directly beneath the composting receptacle 21. The drainage holes 24 also allows air to .
enter into the receptacle. ~
A liquid separator sheet 26 slides on top of and ~.
covers the composting receptacle 21, thereby forming a "lid" from the receptacle 21. The separator sheet 26 t 33 208 1 ~ 8 has bevelled edges 27 which let the liquid from the holding basket 17 flow downwardly into the liquid holding tank 25. A handle 28 permits withdrawal of the sheet 26 off the composting receptacle 21. A stopper 29 S is provided to prevent complete removal of the sheet 26 off the composting receptacle 21.
The liquid holding tank 25 is directly under the composting receptacle 21. A drain outlet 30 is provided on the side of the tank, proximate the base, and an overflow outlet 31 is provided on the side of the tank 25 proximate the top. The drain outlet 30 and overflow outlet 31 lead to a cesspool 32.
A plurality of air inlet vents 33 are located on both sides of the casing 11 in the area between the lS bottom of the composting receptacle 21 and the liquid holding tank 25. An air exhaust vent 34 is located in the uppermost surface of the casing 11.
An electrical heating cable 35 is spiraled around the lower third of the casing 11 and a thermostate 36 20 for monitoring the temperature of the casing 11 is :
located on a side of the casing 11. ~ ;
The outer casing 12 surrounds the inner casing 11 and is comprised of upper and lower sections 12a,12b which are ~joined together. Rigid thermal insulation 37 is attached to the innermost surface of outer casing 12 to lessen heat loss. The outer casing has a sewage inlet opening 38 positioned to receive the inlet pipe lS. Air intake vents 39 and an air exhaust vent 40 are ; ~.
positioned on the outer casing 12 to correspond with the air inlet vents 33 and air exhaust vent 34 of the inner casing ll. An airflow damper 41 is located on the outside of the casing 12 at the opening for the air intake vent 39. The air exhaust vent 40 has a rain and snow cap 42. :
"~ '. "
The outer casing 12 is also provided with a composting receptacle opening 43 through which the composting receptacle 21 may be withdrawn in order to .~:~
empty it. Th~ perimeter of the composting receptacle opening 43 is provided with a weather seal gasket 44.
The outer casing 12 is also provided with a holding ! ~ 20 basket handle opening 45 which lines up with the holding basket handle 19-i i:
The decomposition unit functions as follows. Raw sewage enters the decomposition unit through the inlet pipe 15 and flows into the holding basket 17 via the 16. The liquid content of the sewage drains, by gravity, through the drainage holes 20 in the base of the holding basket 17, and onto the liquid separator sheet 26 of the composting receptacle 21. The solid component of the sewage remains in the holding basket 17. The liquid is directly downwardly off the separator sheet 26 and into the liquid holding tank 25.
,::
The solids remain in the holding basket 17 for a ;~
four to five day period of usage. After this period, the liquid separator sheet 26 is withdrawn from the composting receptacle 21, by means of the handle 28, -~
lS until the stop bar 29 engages. The holding basket 17 is then rotated 180 in a clockwise direction by moving the ~ , handle 19 so that it faces upwardly. The solid content of the holding basket 17 fall downwards through the opening 16 into the now open composting receptacle 21.
- 20 The~holding basket 19 is then rotated 180 i ` ~
counterclockwise until the handle 19 faces down~ardly. ~;
The liquid separator sheet 26 is then pushed back into ;~
its original position.
'~'' 1 3320~
The composting receptacle 21 has been "prechar~ed"
with peat moss and vegetable clippings. These are placed in the composting receptacle 21 before it is inserted into the casing 11. The peat moss retains the necessary moisture content while the vegetable clippings -begin the decomposition process.
Air circulation is provided by the principle of ~;
convection with air entering the casings 11,12 through the air inlet vents 39,33, flowing upwardly through the composting receptacle 21 and holding basket 17, and being exhausted through the exhaust vents 34,40.
After several months of usage, generally between ~`
five and ten, the composting receptacle 21 is removed from the casing by pulling outwards on the handle 23 and removing the receptacle 21 through the receptacle opening 43 in the outer casing 12. A "precharged"
replacement composting receptacle 21 is then inserted into the unit. The composting receptacle which has been removed is stored out of doors for two to three weeks until the composting process is complete and the contents have formed an earth-like substance. The ' ,;
'.''''''.'`: ',,''' '''',,.".''"'.'''';,' ''' '' ~ ' contents of the receptacle are then dumped and the receptacle is ready for re-use.
. ~
1' . ~ ' ' ~,.
;~ ''.~:,"
:.:
~-'''.'''', ' ,'~'.
,''''' ~'
Claims (3)
1. An above-ground septic system comprising:
inner and outer casings, having heat insulating means therebetween, and apertures for receiving an effluent-carrying pipe;
an invertable effluent receptacle in the inner casing, for receiving effluent through a top aperture, having drainage holes in its bottom;
a composting tray, disposed under the effluent receptacle, having a slidably removable liquid-separator cover sheet, and having drainage holes in its bottom wall;
a liquid holding tank disposed under the composting tray having drainage and overflow pipes draining it into a cesspool outside of said outer casing.
inner and outer casings, having heat insulating means therebetween, and apertures for receiving an effluent-carrying pipe;
an invertable effluent receptacle in the inner casing, for receiving effluent through a top aperture, having drainage holes in its bottom;
a composting tray, disposed under the effluent receptacle, having a slidably removable liquid-separator cover sheet, and having drainage holes in its bottom wall;
a liquid holding tank disposed under the composting tray having drainage and overflow pipes draining it into a cesspool outside of said outer casing.
2. The septic system as defined in claim 1, being installed outdoors.
3. The septic system as defined in claim 2, further comprising an electrical heating cable spiraled around at least part of said inner casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000580317A CA1332081C (en) | 1988-10-17 | 1988-10-17 | Above-ground septic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000580317A CA1332081C (en) | 1988-10-17 | 1988-10-17 | Above-ground septic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1332081C true CA1332081C (en) | 1994-09-20 |
Family
ID=4138924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000580317A Expired - Fee Related CA1332081C (en) | 1988-10-17 | 1988-10-17 | Above-ground septic system |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1332081C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5633163A (en) * | 1992-09-14 | 1997-05-27 | Dowmus Pty Ltd | Method for treating wastewater and solid organic waste |
| EP1941107A4 (en) * | 2005-09-27 | 2012-09-05 | Clearford Ind Inc | High performance sewer system |
| WO2014204351A1 (en) * | 2013-06-20 | 2014-12-24 | Spassky Vladimir Sergeevich | System for utilizing domestic sewage |
-
1988
- 1988-10-17 CA CA000580317A patent/CA1332081C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5633163A (en) * | 1992-09-14 | 1997-05-27 | Dowmus Pty Ltd | Method for treating wastewater and solid organic waste |
| EP1941107A4 (en) * | 2005-09-27 | 2012-09-05 | Clearford Ind Inc | High performance sewer system |
| WO2014204351A1 (en) * | 2013-06-20 | 2014-12-24 | Spassky Vladimir Sergeevich | System for utilizing domestic sewage |
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