EP0840828A1 - Waste water disposal process - Google Patents
Waste water disposal processInfo
- Publication number
- EP0840828A1 EP0840828A1 EP96918630A EP96918630A EP0840828A1 EP 0840828 A1 EP0840828 A1 EP 0840828A1 EP 96918630 A EP96918630 A EP 96918630A EP 96918630 A EP96918630 A EP 96918630A EP 0840828 A1 EP0840828 A1 EP 0840828A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flow
- waste water
- wastewater
- sewage
- turbulent
- 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
- 239000002351 wastewater Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 title abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 5
- 239000010865 sewage Substances 0.000 claims description 20
- 230000014759 maintenance of location Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000000470 constituent Substances 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000035 biogenic effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
- E03F9/007—Devices providing a flushing surge
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
Definitions
- the invention relates to a method for discharging waste water from settlement and industrial areas.
- Wastewater pipes were already built by early cultural peoples as open drainage trenches or - as for example by the Romans - as closed pipe systems.
- REPLACEMENT BLA ⁇ (RULE 26) A large part of the existing sewage pipes in metropolitan areas were already planned at the beginning of the last century and were generously dimensioned for the catchment area at that time. In the course of time, however, an increased settlement, an increase in the per capita wastewater charge and regional mergers have led to a load up to the capacity limits. In order to be able to achieve a proper drainage of the wastewater, the pipeline networks were built out and partly linked to each other, which led to a meshing that is hardly manageable today. Inspection and maintenance work, that is to say the necessary measures to maintain operation, fell short of ms.
- the existing drainage systems work linearly. H. the wastewater flows continuously from the discharge points through the wastewater network to the receiving water or sewage treatment plant. It is already known here to install gate valves in sewage networks in order to compensate for different amounts of wastewater by throttling the flow and to make better use of the network.
- ERS ⁇ ZBL ⁇ T (RULE 26)
- the sewage system is often overstressed with regard to its drainage ability and mechanical resilience due to sudden precipitation. Large amounts of water can cause pressure surges, which can exceed the mechanical load limits, particularly at the gate valves.
- the valves are susceptible to failure, so that they usually do not allow the desired distribution of the wastewater quantities over the network. Therefore, the well-known sewage network still cannot do without complex retention basins.
- the object of the invention is to create a method for discharging waste water which is improved in terms of hygiene and which reduces the investment, operating and maintenance expenditure on waste water pipes or networks.
- the flow is intermittently controlled through a sewer or sewer or through a sewer network by means of one or more devices for controlling the flow.
- wastewater is temporarily dammed up in front of the respective device for controlling the flow and the flow in the downstream wastewater line is thus interrupted. Later, the accumulated water is released by reversing the device and thereby flowing through the downstream sewage pipe.
- ERSA ⁇ ZBL ⁇ T (RULE 26) C- The devices can be controlled automatically, for example by means of a central computer. Devices are used to control the flow through sewers, which are described in the German patents 39 22 481 and 39 43 607 and which have the advantages indicated there compared to gate valves.
- the drainage technology according to the invention has a number of advantages over linear sewage discharge. This includes the accumulation of the wastewater masses, which accumulates potential energy that is used for cleaning purposes when released by reversing the device for controlling the flow in the downstream wastewater pipe. In this way, clogging deposits can be avoided from the outset. Elaborate and unfriendly maintenance and repair work is no longer necessary. If it is still necessary to inspect the sewage system, safety against uncontrolled amounts of water is improved. The improved ventilation options also contribute to increased safety.
- ERS ⁇ ZBL ⁇ T (RULE 26) block known flood raids with ski jump.
- the shot jet continues spirally on the pipe wall until the gravitational acceleration becomes greater than the centrifugal acceleration and the flow falls from the upper area of the pipe wall.
- This "spiral flow” is not yet known from the literature and in particular in connection with devices for controlling the flow.
- a very intensive energy dissipation takes place in the spiral flow, so that it has particularly good cleaning effects. It occurs in particular in the upper and middle part of the adjustment range of the arcuate channel section between the vertical and the horizontal and is also achieved with a corresponding bending of the hose piece that can be raised.
- this type of flow can also be referred to as an "oblique alternating jump", although there is no transition from the shooting to the flowing drain, but only part of the kinetic energy is dissipated. This can in turn be used for cleaning purposes.
- the transition from the spiral flow to the diagonal change takes place gradually, the latter being achieved at smaller setting angles of the arcuate channel section to the horizontal or corresponding orientations of the hose which can be raised.
- the "oscillating weft beam” can also be observed, which, however, only accounts for a small proportion of dissipated energy with corresponding cleaning effects.
- ERS ⁇ ZBLA ⁇ T (RULE 26) is caused by the redirection of the horizontal component, which is still slightly present, and which is transverse to the tube axis.
- the transition to the flowing drain in the underwater takes place by means of an alternating jump.
- the migration of the alternating jump from the device for controlling the flow from downstream through the sewage line is also associated with a special cleaning effect, comparable to a pressure flushing, for example.
- the accumulation of excess amounts of water, which are discharged through their open cross-section when the arch-shaped channel section or hose section is raised to the maximum and lead downstream to an ordinary weft jet with subsequent alternating jump with cover roller are associated with a special cleaning action. This intervenes particularly deeply in the downstream system because the distance of the alternating jump from the maximum raised overflow point is greatest.
- the maximum expansion of the area of increased energy dissipation depends on the underwater level, channel parameters (roughness, gradient, diameter), arc parameters (diameter, elevation) and outflow.
- these flow forms can be mathematically modeled, which can be used for the planning of sewage networks, the curved channel sections to be used or hose sections that can be raised.
- ERSA ⁇ ZBLA ⁇ T (RULE 26) Sunker phenomena that can also be used for cleaning purposes.
- Another advantage is the improved use of waste water networks by controlling the network sections.
- the wastewater quantities can, depending on the occurrence, be directed or stored almost without interference so that they are optimally drained off.
- the existing sewage network is therefore used as storage space and storage space management is made possible. This eliminates the need for complex retention basins. Furthermore, the supply of sewage treatment plants can be made more uniform, which favors the efficiency of the biological treatment process.
- Intermittent drainage technology also improves urban hygiene conditions.
- the waste water discharge can be used to optimize the residence time and thus to minimize the occurrence of pathogens.
- the technology is also particularly necessary for areas with strongly fluctuating wastewater, e.g. for sewage systems in tropical metropolitan areas, because there the problems associated with the distribution of sewage, blockage and hygiene occur more frequently.
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)
- Sewage (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19514359 | 1995-04-18 | ||
DE1995114359 DE19514359A1 (en) | 1995-04-18 | 1995-04-18 | Waste water discharge process |
PCT/EP1996/001626 WO1996033319A1 (en) | 1995-04-18 | 1996-04-18 | Waste water disposal process |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0840828A1 true EP0840828A1 (en) | 1998-05-13 |
EP0840828B1 EP0840828B1 (en) | 2000-12-06 |
Family
ID=7759849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96918630A Expired - Lifetime EP0840828B1 (en) | 1995-04-18 | 1996-04-18 | Waste water disposal process |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0840828B1 (en) |
AU (1) | AU6122896A (en) |
DE (2) | DE19514359A1 (en) |
WO (1) | WO1996033319A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19748216A1 (en) | 1997-10-28 | 1999-06-02 | Kupczik Kornelius | Drainage system |
DE10010836C5 (en) * | 2000-03-09 | 2014-06-12 | Lothar Liebau | Method for flushing a mixed water channel and device for this purpose |
DE10160371B4 (en) * | 2001-05-31 | 2005-08-25 | Hst Hydro-Systemtechnik Gmbh | Method and device for cleaning pipelines |
DE102008021758B3 (en) * | 2008-04-30 | 2009-10-29 | Sgs Aqua Technologies Gmbh | Container for flush rinsing of channel with flowing medium, has rinsing cover which is pivoted between stored position and raised position inside channel around axle |
DE102010011715A1 (en) | 2010-03-17 | 2011-09-22 | Kfu Envirotech Gmbh | Simultaneous reduction of hydrogen sulfide formation and bacterial growth in contaminated water, comprises adding a peroxide and a second oxidizing agent to wastewater, where radicals are formed as active components |
AT513406A1 (en) * | 2012-09-25 | 2014-04-15 | Werner Dipl Ing Sprung | Freight-controlled storage channel |
CN104727423A (en) * | 2015-02-06 | 2015-06-24 | 天津大学 | Intelligent dispatching system and method for urban inland inundation water drainage based on traffic videography system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1609181B1 (en) * | 1965-12-10 | 1969-10-23 | Zander Ges Fuer Rein Und Abwas | Disposal facility with pressurized wastewater |
DE3418813C2 (en) * | 1984-05-19 | 1994-02-24 | Vollmar Oskar Gmbh | Waste water retention system |
DE3510171A1 (en) * | 1985-03-21 | 1986-10-02 | Giehl, Klaus-Ulrich, Dipl.-Ing. (FH), 5239 Heimborn | Liquid-retention device for installation into a liquid-storage chamber |
DE3617284A1 (en) * | 1985-05-25 | 1986-11-27 | Oskar Vollmar GmbH, 7000 Stuttgart | Process and system for regulating the water discharge from a stormwater tank or a sewage pipe |
DE3823614A1 (en) * | 1988-07-12 | 1990-01-18 | Vollmar Oskar Gmbh | Method and installation for flow measurement |
FR2643971B1 (en) * | 1989-03-02 | 1991-05-24 | Sikora Bernard | SELF-CLEANING CYCLIC VALVES |
DE8906582U1 (en) * | 1989-05-30 | 1989-07-13 | Willems, Gilbert, 4300 Essen, De | |
DE3922481A1 (en) * | 1989-07-08 | 1991-01-17 | Kupczik Guenter | Flow regulator esp. for waste water channels - varies plane of curvature of curved tube section to adjust flow cross-section, ensuring uniform flow |
DE3943607C2 (en) * | 1989-07-08 | 1993-03-11 | Guenter Dipl.-Ing. 2000 Hamburg De Kupczik | Flow regulator esp. for waste water channels |
CH680741A5 (en) * | 1990-01-24 | 1992-10-30 | Nill Werner |
-
1995
- 1995-04-18 DE DE1995114359 patent/DE19514359A1/en not_active Withdrawn
-
1996
- 1996-04-18 WO PCT/EP1996/001626 patent/WO1996033319A1/en active IP Right Grant
- 1996-04-18 EP EP96918630A patent/EP0840828B1/en not_active Expired - Lifetime
- 1996-04-18 DE DE59606191T patent/DE59606191D1/en not_active Expired - Fee Related
- 1996-04-18 AU AU61228/96A patent/AU6122896A/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO9633319A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0840828B1 (en) | 2000-12-06 |
AU6122896A (en) | 1996-11-07 |
DE19514359A1 (en) | 1996-10-24 |
WO1996033319A1 (en) | 1996-10-24 |
DE59606191D1 (en) | 2001-01-11 |
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