EP0910707A1 - Filterstufenvorrichtung zur maschinellen feststoffseparation aus flüssigkeiten - Google Patents
Filterstufenvorrichtung zur maschinellen feststoffseparation aus flüssigkeitenInfo
- Publication number
- EP0910707A1 EP0910707A1 EP98932027A EP98932027A EP0910707A1 EP 0910707 A1 EP0910707 A1 EP 0910707A1 EP 98932027 A EP98932027 A EP 98932027A EP 98932027 A EP98932027 A EP 98932027A EP 0910707 A1 EP0910707 A1 EP 0910707A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grate
- solid separation
- movable
- fixed grate
- cheek
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
- E02B8/026—Cleaning devices
Definitions
- the present invention relates to a filter stage device for mechanical solid separation from liquids flowing in channels, channels or lines, which has a plurality of step rakes connected to a fixed grate and a plurality of step rakes connected to a movable grate, the grids starting from the flowing liquid arranged at a level below the surface inclined in the direction of flow and the step rakes are stepped in the direction facing the incoming flow, and in which the movable grate can be actuated by a drive device on a track which, starting from one in the vertical and horizontal directions the stationary grate is identical to the zero position, a lifting movement up to at least upwards over the steps of the step rake bars connected to the fixed grate and against the direction of the incoming flow at least to a position identical to the next higher level of the fixed grate in the vertical and horizontal directions, and the step rakes of the movable grate then lead below the fixed grate back to the zero position, the fixed grate being
- step rakes Devices of this type are known as step rakes and are used within sewage or separation plants to discharge solids present in waste water.
- EP 0 098 820 discloses a step filter in which the drive device is provided on the upper side of the grates, the movement of the movable grate being transmitted via an eccentric wheel and a support device connected to this eccentric wheel and encompassing the fixed grate from above and outside.
- DE 40 01 859 C2 discloses a sieve screen for removing solid components from flowing liquids, in which a crank mechanism is arranged below the bars, which controls the movement of the movable bars.
- the selected lever arrangement is based on skids, which are mounted in the guide profiles of the supporting frame.
- WO 94/24373 discloses a filter stage rake in which the movable grate is eccentrically connected to a wheel on the upper side, a long thin rod also being eccentrically connected to this wheel, which in turn is supported at the other end region by chains on the frame and thereby one Kind of elliptical rotary motion on the movable grate in this area.
- the invention is based on the object or the technical problem of proposing a step rake in which the space required for safe operation is minimized and, at the same time, the passage of larger passages at any steep incline in the direction of flow Solid body is made possible without problems.
- the construction should be simple, robust and low-maintenance.
- the filter stage device according to the invention is given by the features of independent claim 1. Advantageous refinements and developments are covered by the dependent claims.
- the device according to the invention for mechanical solid separation from liquids is accordingly characterized in that all the drive elements of the movable grate are arranged essentially in the common plane formed by the fixed grate and the movable grate in the zero position.
- Such a design of the device results in a modular structure in which the entire device, including the drive, can be used and operated as immediately ready-to-use components within channel cross-sections limited by only the simplest side structures or lateral holding structures, without complex structures or channel guides, machine boxes or -houses, controls or gear units or equipment for accessories must be created.
- the modular structure also allows easy installation in existing systems, for example if the old system has to be replaced due to wear and tear
- any desired angular positions of the device can also be realized, so that the expected size of the solid fraction is more or less steep excavation can be provided. Since all drive elements are housed within the module, remains Despite a serious reduction in installation space and construction effort, there is sufficient clearance as a clear height above the rake bars.
- the drive elements advantageously include driven wheels which are mounted in a frame of the fixed grate, the movable grate being articulated on the wheels eccentrically and radially to the wheel axis.
- the drive elements include driven side cheeks mounted in a frame of the fixed grate, the movable grate being eccentrically articulated on the cheeks at a point spaced from the bearing.
- Such a drive can be manufactured in the simplest way and only requires a visual inspection for monitoring. Repair and / or exchange work can be carried out in a simple manner.
- the drive takes place via chain drives or cardan shafts acting on the wheels / cheek / s.
- Such a construction supports the compact design and enables the safe transfer of large forces, which makes bulky and heavy discharge easy to handle.
- Another and effective in terms of a compact modular design and advantageous in the device Construction measure consists in that the movement path from the zero position to the higher step and back in its outermost positions does not leave the plane spanned by the fixed grate by more than twice the step height.
- Chain drives or cardan shafts can then be designed to be relatively small in terms of the necessary movement links and guides.
- 1 is a device designed as a step rake for mechanical solid separation in the front view (in the direction of the channel axis),
- Rake rods in the sectional view A - A and marked in FIG. 1 Fig. 3 shows the rake bars connected to a movable grate with a chain drive on the frame of the fixed grate.
- step rake 1 shows a device for mechanical solid separation designed as a step rake 1, in whose frame consisting of the side frame parts 3, 4, the upper frame part 2 and the lower frame part 5 the step rakes of a movable grate 6 between the step rakes of a fixed grate 7 are arranged.
- step rake 7 • of the fixed grate 7 shown there in section A - A of FIG. 1 the arrangement of the step rake (s) relative to the frame part 4 can be seen.
- the electric motor 8 on the top, which is flanged to a gearbox 9.
- the electric motor 8 with gear box 9 is attached to the upper end of the frame, ie to the head plate designed as frame part 2 and drives three chain wheels 11, 12, 19 via the chain drive 10 shown in FIG. 3, which are spaced apart in one plane, in run substantially parallel along an imaginary connecting line to the outer frame part 3, 4, are rotatably arranged on the frame part 3, 4.
- the chain wheels 1.1, 12, 19 have eccentric cams 17, via which an outer, lateral cheek 13 is connected eccentrically on both sides of the frame parts 3, 4.
- the side cheeks 13 are above a substructure, not shown, with the movable step controls. chenstäben 6 'of the movable grate 6 in connection. As a result of this articulation, the lateral cheek 13 and thus also all step rake bars 6 'carry out the circular movement K indicated in FIG. 3.
- the step rake bars 6 ' are identical to the step rake bars 7' and are - seen from the side - completely congruent in the zero position next to each other and in each case between the step rake bars 7 '.
- the side cheeks 13 are also located on the outside in the same position. These carry out the same movement as the step rakes 6 ′ of the movable grate 6.
- the lateral cheek 13 is supported in the spherical bearing flanges 14, 15 and 16, the axes of which are formed by the eccentric cams 17 'to 17 “', as a result of which the movable grate 6 can be actuated on a path K which, starting from one in a vertical direction and horizontal direction with the rake bars 7 'of the fixed grate 7 identical zero position, a lifting movement up to at least one with the next higher
- material to be discharged is conveyed either upwards from the channel surface or from the channel bottom and is thrown through the opening 18 below the chain wheel 19 onto corresponding further devices.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Filtration Of Liquid (AREA)
- Treatment Of Sludge (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Centrifugal Separators (AREA)
- Sewage (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19719371 | 1997-05-07 | ||
DE19719371A DE19719371A1 (de) | 1997-05-07 | 1997-05-07 | Vorrichtung zur maschinellen Feststoffseparation aus Flüssigkeiten |
PCT/DE1998/001184 WO1998050638A1 (de) | 1997-05-07 | 1998-04-29 | Filterstufenvorrichtung zur maschinellen feststoffseparation aus flüssigkeiten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0910707A1 true EP0910707A1 (de) | 1999-04-28 |
EP0910707B1 EP0910707B1 (de) | 2001-09-05 |
Family
ID=7828940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98932027A Expired - Lifetime EP0910707B1 (de) | 1997-05-07 | 1998-04-29 | Filterstufenvorrichtung zur maschinellen feststoffseparation aus flüssigkeiten |
Country Status (10)
Country | Link |
---|---|
US (1) | US6245225B1 (de) |
EP (1) | EP0910707B1 (de) |
CN (1) | CN1231012A (de) |
AT (1) | ATE205272T1 (de) |
AU (1) | AU723368B2 (de) |
CA (1) | CA2264593C (de) |
CZ (1) | CZ296765B6 (de) |
DE (2) | DE19719371A1 (de) |
DK (1) | DK0910707T3 (de) |
WO (1) | WO1998050638A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6669854B1 (en) * | 2002-01-22 | 2003-12-30 | Hydro-Dyne Engineering, Inc. | Stepping screen assembly hydraulically driven |
US7416658B2 (en) * | 2006-04-21 | 2008-08-26 | Sung Hur | Elliptical motion drive device for a step screen |
CN100447344C (zh) * | 2007-01-05 | 2008-12-31 | 奕永庆 | 泵站人字形拦污栅 |
CN101560755B (zh) * | 2009-05-19 | 2010-12-01 | 周明泉 | 潜水平蠕动集污格栅 |
CN104120696B (zh) * | 2014-07-25 | 2016-04-13 | 中水东北勘测设计研究有限责任公司 | 环保型贴坡式拦污栅结构及其建造方法 |
CN110528470B (zh) * | 2019-08-23 | 2021-05-04 | 中陆港(宁夏)建设工程有限公司 | 一种利用水流动力进行自清洁的水利拦污网结构 |
WO2021134150A1 (zh) * | 2019-12-30 | 2021-07-08 | 福建云康智能科技有限公司 | 一种带有往复式运动的栅条构件的槽体式过滤装置 |
US11633680B2 (en) * | 2020-07-23 | 2023-04-25 | Parkson Corporation | Bar screen filter apparatus and method |
SE545529C2 (en) * | 2022-01-19 | 2023-10-10 | Sulzer Management Ag | Separating device and method of operating such a separating device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1773576A (en) * | 1926-03-16 | 1930-08-19 | Dorr Co | Bar screen |
US1751421A (en) * | 1928-09-10 | 1930-03-18 | Charles R Reid | Apparatus for removing water-borne material from raceways and the like |
SE436416B (sv) * | 1982-07-05 | 1984-12-10 | Wallander Hydropress Co Ab | Anordning for uppsamling och uppfordring av i avloppsvatten burna, fasta partiklar |
DE4001859C2 (de) * | 1990-01-23 | 1996-08-29 | Schreiber Berthold | Siebrechen zur Entnahme von festen Bestandteilen aus strömenden Flüssigkeiten |
SE9101663L (sv) * | 1991-05-29 | 1992-11-30 | Mellegard Va Maskiner Ab | Anordning vid renstrappa |
SE9300396L (sv) * | 1993-02-08 | 1994-03-21 | Lars Hedman | Uppfordringsanordning för partiklar som bärs av strömmande vatten |
DE29700382U1 (de) * | 1996-01-13 | 1997-03-27 | Niehues Konrad | Stufenrechen mit durch die Antriebseinheit geführtem Rechen |
DE19920074C2 (de) * | 1999-05-03 | 2003-12-18 | Hans Huber Ag Masch & Anlagenb | Vorrichtung zum Abscheiden und Herausfördern von Abscheidegut aus einer strömenden Flüssigkeit |
-
1997
- 1997-05-07 DE DE19719371A patent/DE19719371A1/de not_active Withdrawn
-
1998
- 1998-04-29 AT AT98932027T patent/ATE205272T1/de not_active IP Right Cessation
- 1998-04-29 DE DE59801377T patent/DE59801377D1/de not_active Expired - Lifetime
- 1998-04-29 CA CA002264593A patent/CA2264593C/en not_active Expired - Fee Related
- 1998-04-29 CN CN98800909A patent/CN1231012A/zh active Pending
- 1998-04-29 EP EP98932027A patent/EP0910707B1/de not_active Expired - Lifetime
- 1998-04-29 DK DK98932027T patent/DK0910707T3/da active
- 1998-04-29 AU AU82085/98A patent/AU723368B2/en not_active Ceased
- 1998-04-29 CZ CZ0032799A patent/CZ296765B6/cs not_active IP Right Cessation
- 1998-04-29 US US09/423,492 patent/US6245225B1/en not_active Expired - Fee Related
- 1998-04-29 WO PCT/DE1998/001184 patent/WO1998050638A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9850638A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE19719371A1 (de) | 1998-11-12 |
EP0910707B1 (de) | 2001-09-05 |
US6245225B1 (en) | 2001-06-12 |
CN1231012A (zh) | 1999-10-06 |
AU8208598A (en) | 1998-11-27 |
DE59801377D1 (de) | 2001-10-11 |
CZ9900327A3 (cs) | 2000-11-15 |
CA2264593A1 (en) | 1998-11-12 |
CA2264593C (en) | 2005-12-27 |
AU723368B2 (en) | 2000-08-24 |
ATE205272T1 (de) | 2001-09-15 |
WO1998050638A1 (de) | 1998-11-12 |
DK0910707T3 (da) | 2002-01-07 |
CZ296765B6 (cs) | 2006-06-14 |
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