EP1599289A1 - Trennungsgerät für magnetisierbare und nichtmagnetisierbare teile eines fluiden mediums - Google Patents
Trennungsgerät für magnetisierbare und nichtmagnetisierbare teile eines fluiden mediumsInfo
- Publication number
- EP1599289A1 EP1599289A1 EP03769313A EP03769313A EP1599289A1 EP 1599289 A1 EP1599289 A1 EP 1599289A1 EP 03769313 A EP03769313 A EP 03769313A EP 03769313 A EP03769313 A EP 03769313A EP 1599289 A1 EP1599289 A1 EP 1599289A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- fluid
- cleaning
- tubes
- tube
- 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
- 239000012530 fluid Substances 0.000 title description 51
- 239000002245 particle Substances 0.000 title description 21
- 238000004140 cleaning Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 238000001035 drying Methods 0.000 description 3
- 230000001914 calming effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/28—Magnetic plugs and dipsticks
- B03C1/284—Magnetic plugs and dipsticks with associated cleaning means, e.g. retractable non-magnetic sleeve
Definitions
- the present invention relates to a device for removing parts from a fluid, comprising a housing with a cylindrical inner wall, which has a fluid inlet and a fluid outlet, wherein at least one magnet located in a tube is arranged in the housing, and the at least one magnet can be moved out of the tube at least in sections by means of an adjusting device.
- a generic device is known from EP 0 859 665.
- the fluid to be cleaned is passed horizontally through a housing, wherein inlet and outlet ports of the housing are arranged diametrically opposite.
- Vertical tubes are arranged in the housing within the fluid flow, the upper ends of which are sealingly attached to a cover.
- Magnetic rods can be inserted into the tubes, each consisting of a large number of permanent magnets. When the device is in operation, the magnetic rods are inserted into the tubes, as a result of which magnetizable particles in the fluid to be cleaned are held on the surface of the tubes.
- the magnetic rods are moved out of the tubes by means of an appropriate adjusting device, after which the outer surface of the tubes is then cleaned by means of a spray device.
- the cleaning fluid with the dirt particles contained therein is discharged from the housing of the device through a lower outlet.
- a disadvantage of this device is that the magnetizable dirt particles are deposited essentially in the middle of the tubes and form a comparatively thick layer, the outer ends of the tubes being covered with a less strong particle layer.
- the time intervals at which the device itself has to be cleaned is largely dependent on how quickly a certain thickness of dirt particles is formed on the pipes. If a certain layer thickness is exceeded, there is a risk that the dirt particles themselves will be torn off the pipe by the fluid flow and reach the outlet of the device. It is also not possible to filter non-magnetizable particles from the fluid.
- the object of the present invention is to provide a generic device in this regard to further develop that the ratio between the operating times, in which the device removes magnetizable parts from the fluid, and the downtimes, in which the device itself has to be cleaned, is maximized as possible, and that non-magnetizable particles are also filtered out of the fluid.
- the invention is based on the idea of the invention to extend the dwell time of the medium in the area of the magnetic bars compared to a device of the generic type with magnetic bars of the same length.
- the prolongation of the dwell time is achieved according to the invention in that the medium is not passed in a straight line through a housing and thus only flows once past a magnetic rod, but instead flows in a spiral manner past the magnetic rods arranged in the housing, which are also arranged in pipes , so that the dirt particles can accumulate advantageously over the entire length of the pipes.
- the inner wall of the housing is advantageously cylindrical with in particular circular cross section.
- the tubes in which the magnetic bars are arranged are advantageously thin-walled and have an inner diameter that is only slightly larger than or equal to the outer diameter of the magnetic bars.
- the housing of the device is constructed similar to a cyclone, the cleaned fluid being sucked off or escaping by means of a suction pipe in the center of the housing.
- the cyclone effect also advantageously removes non-magnetizable parts from the fluid by moving them outwards towards the inner wall due to centrifugal forces, which then gravitationally sink down into a calming zone of the housing, which is deflected by a baffle plate from the suction pipe Device is disconnected.
- the tubes are advantageously arranged in a fluidically favorable manner in the housing, so that as possible all magnetizable parts are deposited on the outer walls of the tubes due to the magnetic forces.
- a magnetizer in the inflow channel to the device, which magnetizes the magnetizable particles in the fluid, so that they have a greater affinity to be held on the pipes.
- a demagnetizer to the device, which may demagnetize any magnetized particles in the fluid which have not been removed from the fluid by the device, so that they do not disadvantageously look for metallic surfaces on which they then stick due to their magnetization.
- the spiral-shaped flow of the fluid past the magnetic bars ensures that better utilization, or more uniformly, of magnetizable parts is achieved over a large part of the length of the magnetic bars, so that there is advantageously no formation of lumps and therefore also no unwanted tearing off of already trapped particles comes from the stream itself.
- the potential, ie the absorption capacity of each magnetic rod is advantageously increased, so that longer service lives result or the time interval between the cleaning intervals increases.
- the device according to the invention is advantageously cleaned at intervals by means of a cleaning device.
- the surfaces of the pipes are cleaned by first moving the magnetic rods out of the pipes.
- the housing is still filled with fluid to be cleaned.
- a cleaning fluid which is in particular an inert gas, is then introduced into the device below the pipes.
- the rising gas bubbles in the fluid loosen the magnetized particles attached to the tubes, whereby these are taken up again by the fluid in the housing.
- the fluid is advantageously drained through a lower outlet in the housing and reaches a catch basin, where the fluid may be filtered and then returned to the fluid circuit.
- the length of the cylindrical region or the magnetic rods can advantageously extend the length of time of the fluid in the region of the magnetic rods without the width of the device having to be increased and the number of magnetic rods having to be increased. Longer magnetic bars only increase the height of the entire device, and the footprint of the device does not increase disadvantageously.
- Fig. 1 A side view of the device according to the invention in a partially sectioned representation
- FIG. 2 shows a plan view in a partially sectioned illustration of the device according to the invention
- FIG. 3 shows a side view of the device according to the invention with the flow diagram shown
- Fig. 4 Device according to the invention in cleaning mode.
- the device has a housing 3 which has an essentially circular cross section.
- the housing 3 has a cylindrical upper Area 6 on which a tangential inlet 1, la is arranged in the upper area.
- a conical region 7 which has an outlet connection 9 at its lower narrow end, which can be closed by means not shown, in particular with a valve.
- a baffle plate 11 is arranged in the conical area 7 and is fastened to the inner wall of the housing 3 via webs 10.
- the upper area 6 is closed by a cover 16.
- the cover 16 has window-like openings, which are realized, for example, by means of bores.
- tubes 4 are fastened to the cover 16, which are aligned with the window-like openings in the cover, so that magnetic rods 5 can be inserted into the tubes from the outside.
- the upper free end of the magnetic bars 5 is fastened to a plate 17 by means of fastening means 18, so that the magnetic bars 5 can be moved out of the tubes 4 by lifting the plate 17.
- the device has at least two hydraulic lifting units 19, 20, which are fastened, for example, to the collar 3a of the cover 16 of the housing 3.
- the hydraulic lifting units each have a double-acting lifting cylinder 19, by means of which a piston rod 20 can be moved out or in from the cylinder.
- the piston rod 20 is fastened with its upper free end 21 to the plate 17, so that the piston 17 is pushed out of the cylinder 19 and thus the plate 17 is moved upward and with it the magnetic rods 5 (shown in broken lines).
- a suction pipe 15 is arranged, which with an outlet nozzle 2, 2a is connected.
- the opening 15a of the suction pipe 15 is arranged above the baffle plate 11.
- a curved tube 14 is arranged, which is sealingly connected to an inlet tube 13, 13a.
- the curved tube 14, which can in particular be designed as a circular tube, has small openings, not shown, on its upper side, for example in the form of nozzles, through which a gas which is pressed in via the inlet 13a of the inlet tube 13 can escape into the interior of the housing 3 ,
- the tube 13 is advantageously arranged with its openings 11a in the area of the tubes 4 so that the escaping gas rises along the tubes 4.
- the gas pressed in via the inlet 13a escapes from the housing 3 via an outlet 22.
- a hydraulic unit 25 is operatively connected to the double-acting cylinder 19 via hydraulic lines 26.
- a demagnetizing device 24, which cannot demagnetize magnetized particles that are not filtered out of the fluid to be cleaned, can optionally be arranged behind the outlet connection piece.
- FIG. 2 shows a top view and a partially sectioned view through the device according to the invention according to FIG. 1.
- the inlet connection 1 a is arranged on the housing 3 of the device in such a way that the fluid F, the flow direction of which is indicated by arrows, is tangential to the upper region 6 of the housing 3 flows in and a spiral flow pattern is established due to gravity.
- the tubes 4 and with them the magnetic rods 5 are arranged distributed in the housing, care being taken to ensure that the flow around them is as uniform as possible.
- the bent pipe 11 with its openings 11a is connected to the inlet 13, 13a and is located below the pipes 4 arranged in the housing 3.
- the fluid F enters the housing 3 of the device via the inlet connection 1, first in the upper region 6 of the housing 3, where it is distributed through the pipes 4, as shown in FIG. 2 with magnetic rods 5 arranged therein and flows spirally downward in the direction of the opening of the suction pipe 15.
- the downward flow movement is deflected upward by the baffle plate 11 shown in FIG. 3, so that the fluid F enters the suction pipe 15 and thus to the outlet 2.
- the magnetizable parts T m are deposited on the outside of the pipes 4. Due to the fact that the fluid F flows past each tube 4 at least once, the magnetizable parts T m are deposited evenly along the entire length of almost every tube 4.
- Non-magnetizable parts T n are moved outward against the inner wall of the housing 3 due to the centrifugal forces and get outside the suction effect through the suction pipe 15, as a result of which they can sink outside past the baffle plate 11 in the direction of the calming zone 8.
- the direction of movement of the particles T and of the fluid F are represented by the arrows in FIG. 3.
- FIG. 4 shows a possible cleaning method for cleaning the device according to the invention according to FIGS. 1 to 3. While the device is being cleaned, it is not flushed with fluid F. However, the housing 3 is filled with the fluid F at the beginning of the cleaning process. The plate is in the process of cleaning 17 with the magnetic rods 5 attached to it, completely or in large part out of the housing by means of the lifting device 9, 20, 25 out of the housing. Through the inlet 13a, a cleaning fluid F R , for example in the form of a gas, enters a tube 11 and, via its outlets (not shown), into the housing 3.
- a cleaning fluid F R for example in the form of a gas
- the tube 11 with its outlets is arranged below the tubes 4, so that the fluid in the fluid F rising bubbles B of the cleaning fluid F R flow along the surface of the tubes 4 and rinse off the magnetized particles T m adhering to the tube 4 from the tube.
- the cleaning fluid FR comes out of the housing through the outlet 22 and can be conveyed to the inlet 13a.
- the fluid F is continuously or discontinuously drained or pumped out of the housing 3 via the lower outlet 9, so that the fluid level F 0 slowly lowers and the housing is freed from the fluid F with particles T contained therein.
- the device or the housing 3 can be flushed through again with a clean fluid. However, this is not absolutely necessary.
- the outlet 9 is closed and the plate 17 with the magnetic rods 5 arranged therein is shut down, so that the magnetic rods 5 remain completely in the tubes 4 again.
- the surfaces of the tubes 4 are freed of magnetized particles, so that magnetizable parts can be deposited again on the surfaces of the tubes.
- the fluid for cleaning the housing is drained from the housing in a first method step. If the magnetic rods are inserted into the tubes or if the magnetic rods are pulled out - both variants are possible - the residues remaining in the housing are then dried using a drying gas.
- the drying advantageously results in a reduction in the waste generated by the device.
- the dried residues or waste are removed from the housing in a last process step so that the device is again ready for filtering the fluid.
- the dried residues can be removed by means of scrapers or by shaking the device and / or its pipes or the housing, provided that the dried residues are not already downwards due to their gravity, e.g. have fallen into a collecting funnel. It is also possible to remove the dried residues e.g. blow out of the housing with the drying gas.
Landscapes
- Cleaning In General (AREA)
- Cyclones (AREA)
- Soft Magnetic Materials (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10309789A DE10309789A1 (de) | 2003-03-05 | 2003-03-05 | Trennungsgerät für magnetisierbare Teile eines fluiden Mediums |
| DE10309789 | 2003-03-05 | ||
| PCT/EP2003/010623 WO2004078356A1 (de) | 2003-03-05 | 2003-09-24 | Trennungsgerät für magnetisierbare und nichtmagnetisierbare teile eines fluiden mediums |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1599289A1 true EP1599289A1 (de) | 2005-11-30 |
| EP1599289B1 EP1599289B1 (de) | 2006-05-24 |
Family
ID=32945837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03769313A Expired - Lifetime EP1599289B1 (de) | 2003-03-05 | 2003-09-24 | Trennungsgerät für magnetisierbare und nichtmagnetisierbare teile eines fluiden mediums |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1599289B1 (de) |
| AT (1) | ATE327042T1 (de) |
| AU (1) | AU2003277896A1 (de) |
| DE (2) | DE10309789A1 (de) |
| WO (1) | WO2004078356A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2448232B (en) | 2008-04-03 | 2012-07-11 | Alpha Fry Ltd | Particle separator |
| EP2108454A1 (de) * | 2008-04-08 | 2009-10-14 | BP Oil International Limited | Verbesserungen an oder im Zusammenhang mit Filtern |
| DE202009005821U1 (de) | 2009-04-18 | 2009-08-20 | Waltraut Rösler Oberflächentechnik | Vorrichtung zur Entfernung magnetischer Partikel aus strömenden Medien |
| GB2490898B (en) * | 2011-05-16 | 2013-10-30 | Lettergold Plastics Ltd | Removing magnetic particles from a fluid flow |
| DE202014100826U1 (de) | 2014-02-24 | 2014-06-05 | Walter Müller | Abscheidvorrichtung |
| JP6116733B1 (ja) * | 2016-04-25 | 2017-04-19 | 智治 竹内 | 重金属分離システム |
| WO2017094448A1 (ja) * | 2015-12-03 | 2017-06-08 | 智治 竹内 | 重金属分離システム |
| GB201616947D0 (en) * | 2016-10-05 | 2016-11-23 | Romar International Limited | Apparatus and method for removing magnetic particles from liquids and slurries |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2215640B (en) * | 1988-02-15 | 1992-01-22 | Andrew John Ker Reid | Magnetic separators |
| NL1001427C2 (nl) * | 1995-10-16 | 1997-04-17 | Paulus Wolfs | Inrichting voor het verwijderen van magnetiseerbare delen. |
| DE10006262B4 (de) * | 2000-02-12 | 2005-12-01 | Dürr Ecoclean GmbH | Magnetabscheider |
| DE20013748U1 (de) * | 2000-08-10 | 2000-11-23 | R. Ohlmann GmbH Anlagen- und Maschinenbau, 91477 Markt Bibart | Magnet-Filterapparat |
| US6706178B2 (en) * | 2001-01-19 | 2004-03-16 | Roger M. Simonson | Magnetic filter and magnetic filtering assembly |
-
2003
- 2003-03-05 DE DE10309789A patent/DE10309789A1/de not_active Withdrawn
- 2003-09-24 WO PCT/EP2003/010623 patent/WO2004078356A1/de not_active Ceased
- 2003-09-24 EP EP03769313A patent/EP1599289B1/de not_active Expired - Lifetime
- 2003-09-24 AT AT03769313T patent/ATE327042T1/de not_active IP Right Cessation
- 2003-09-24 DE DE50303525T patent/DE50303525D1/de not_active Expired - Lifetime
- 2003-09-24 AU AU2003277896A patent/AU2003277896A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004078356A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE327042T1 (de) | 2006-06-15 |
| EP1599289B1 (de) | 2006-05-24 |
| DE50303525D1 (de) | 2006-06-29 |
| DE10309789A1 (de) | 2005-02-03 |
| WO2004078356A1 (de) | 2004-09-16 |
| AU2003277896A1 (en) | 2004-09-28 |
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