CA2589340A1 - Sewage treatment dosing system - Google Patents
Sewage treatment dosing system Download PDFInfo
- Publication number
- CA2589340A1 CA2589340A1 CA002589340A CA2589340A CA2589340A1 CA 2589340 A1 CA2589340 A1 CA 2589340A1 CA 002589340 A CA002589340 A CA 002589340A CA 2589340 A CA2589340 A CA 2589340A CA 2589340 A1 CA2589340 A1 CA 2589340A1
- Authority
- CA
- Canada
- Prior art keywords
- filter media
- effluent
- sewage treatment
- dosing
- dosing system
- 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.)
- Granted
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 6
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
- G05D7/067—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means characterised by free surface flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
- B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
- C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
Landscapes
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Public Health (AREA)
- General Physics & Mathematics (AREA)
- Treatment Of Biological Wastes In General (AREA)
Abstract
The invention relates to a system (and devices) for controlling the dosing of domestic sewage into a filter media. The object of the invention is to improve the operational efficiency of this kind of sewage treatment by eliminating the need for pumps and/or siphons.
Description
I}esCl'iDtion Technical Field The invention relates generally to the treatment of domestic sewage. Although but one embodiment of the present invention has been illustrated and described, it will be apparent to those skilled in the art that various changes and modifications may be made therein without departing from the spirit of the invention.
Background of the Invention It is common in the method of treating domestic sewage that the dosing mechanism used to deliver the effluent to the filter media is either mechanically driven by pumps or gravity driven by siphons. Both of these methods have costly long term maintenance and reliability issues that are beyond the ability of most homeowners to deal with. Pumps not only have the obvious mechanical wear and tear issue associated with wet operation but also have an equally serious downstream distribution problem because pressurization necessitates small distribution pipes with very small perforations. This eventually leads to frequent plugging.
Siphons are also prone to frequent plugging but have again another equally common ailment known as "trickling". This condition effectively eliminates the dosing effect of the siphon entirely and allows the effluent to simply "trickle" into the filter media. The net result is to cause the filter media to be front end loaded which in turn leads to premature failure of same requiring replacement.
Summary of the Invention I have found that these difficulties can be overcome by creating a system (and devices) that enables a constant dose of effluent to be delivered to standard large diameter distribution pipes that are perforated in such a way as to force an even distribution of effluent throughout the length of the filter media. The quantity of the dose is controlled in the dosing chamber by a liquid level sensor that controls the operation of an electro-magnetic linear actuator that in turn controls the opening and closing of a standard guillotine type gate valve. The dosing chamber itself is divided into two separate and sealed compartments enabling dry operation of the actuator and gate valve and providing easy access for routine maintenance. Similarly, clean-outs and vents of sufficient size are provided for easy access and cleaning of the distribution pipes.
Background of the Invention It is common in the method of treating domestic sewage that the dosing mechanism used to deliver the effluent to the filter media is either mechanically driven by pumps or gravity driven by siphons. Both of these methods have costly long term maintenance and reliability issues that are beyond the ability of most homeowners to deal with. Pumps not only have the obvious mechanical wear and tear issue associated with wet operation but also have an equally serious downstream distribution problem because pressurization necessitates small distribution pipes with very small perforations. This eventually leads to frequent plugging.
Siphons are also prone to frequent plugging but have again another equally common ailment known as "trickling". This condition effectively eliminates the dosing effect of the siphon entirely and allows the effluent to simply "trickle" into the filter media. The net result is to cause the filter media to be front end loaded which in turn leads to premature failure of same requiring replacement.
Summary of the Invention I have found that these difficulties can be overcome by creating a system (and devices) that enables a constant dose of effluent to be delivered to standard large diameter distribution pipes that are perforated in such a way as to force an even distribution of effluent throughout the length of the filter media. The quantity of the dose is controlled in the dosing chamber by a liquid level sensor that controls the operation of an electro-magnetic linear actuator that in turn controls the opening and closing of a standard guillotine type gate valve. The dosing chamber itself is divided into two separate and sealed compartments enabling dry operation of the actuator and gate valve and providing easy access for routine maintenance. Similarly, clean-outs and vents of sufficient size are provided for easy access and cleaning of the distribution pipes.
Brief Description of the Drawing Figure 1 is a plan view showing a typical general arrangement of the present invention.
Figure 2 is a section view of the system of Figure 1.
Detailed Description Referring to Figures 1 and 2, it can be seen that a typical general arrangement is disclosed.
Standard septic tank effluent I is discharged into the dosing chamber 2. Upon reaching a pre-determined level, a liquid level sensor 3 activates a timer and power controller 4 that powers an electro-magnetic linear actuator 5 and pulls open the guillotine type gate valve 6 enabling the effluent to flow, under gravity only, into the distrnbution pipes 7. The effluent then flows out of the distribution pipes 7 through bottom perforations 8 that are sized and spaced to enable an even distribution of the effluent into the filter median 9.
After a pre-determined amount of time, the timer and power controller 4 releases the actuator 5 closing the valve 6 until sufficient head has accumulated in the dosing chamber 2 enabling the dosing cycle to repeat itself as previously described. Finally, the treated effluent exits the filter media 9 and flows into collector drain 10, monitoring well 11 and dispersal pipe 12 in the standard manner.
Figure 2 is a section view of the system of Figure 1.
Detailed Description Referring to Figures 1 and 2, it can be seen that a typical general arrangement is disclosed.
Standard septic tank effluent I is discharged into the dosing chamber 2. Upon reaching a pre-determined level, a liquid level sensor 3 activates a timer and power controller 4 that powers an electro-magnetic linear actuator 5 and pulls open the guillotine type gate valve 6 enabling the effluent to flow, under gravity only, into the distrnbution pipes 7. The effluent then flows out of the distribution pipes 7 through bottom perforations 8 that are sized and spaced to enable an even distribution of the effluent into the filter median 9.
After a pre-determined amount of time, the timer and power controller 4 releases the actuator 5 closing the valve 6 until sufficient head has accumulated in the dosing chamber 2 enabling the dosing cycle to repeat itself as previously described. Finally, the treated effluent exits the filter media 9 and flows into collector drain 10, monitoring well 11 and dispersal pipe 12 in the standard manner.
Claims (2)
1. An improvement in a system of controlling the dosing of domestic sewage into a filter media whereby an electrically and mechanically operated dosing chamber is connected to distribution pipes that are perforated in a pre-determined manner to allow for an even distribution of effluent into the filter media.
2. The system of claim 1 wherein the entire arrangement is designed for dry operation of electrical and mechanical components and allows easy access for routine maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2589340A CA2589340C (en) | 2007-05-16 | 2007-05-16 | Sewage treatment dosing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2589340A CA2589340C (en) | 2007-05-16 | 2007-05-16 | Sewage treatment dosing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2589340A1 true CA2589340A1 (en) | 2008-11-16 |
| CA2589340C CA2589340C (en) | 2014-11-04 |
Family
ID=40030402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2589340A Expired - Fee Related CA2589340C (en) | 2007-05-16 | 2007-05-16 | Sewage treatment dosing system |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2589340C (en) |
-
2007
- 2007-05-16 CA CA2589340A patent/CA2589340C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2589340C (en) | 2014-11-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20220516 |