DE2558683C2 - Filtration apparatus - Google Patents
Filtration apparatusInfo
- Publication number
- DE2558683C2 DE2558683C2 DE2558683A DE2558683A DE2558683C2 DE 2558683 C2 DE2558683 C2 DE 2558683C2 DE 2558683 A DE2558683 A DE 2558683A DE 2558683 A DE2558683 A DE 2558683A DE 2558683 C2 DE2558683 C2 DE 2558683C2
- Authority
- DE
- Germany
- Prior art keywords
- filtration
- chamber
- annular
- filtration chamber
- filtration apparatus
- 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
Links
- 238000001914 filtration Methods 0.000 title claims description 69
- 239000000725 suspension Substances 0.000 claims description 14
- 239000000047 product Substances 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 9
- 239000000706 filtrate Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 241001551112 Hainardia cylindrica Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/17—Supported filter elements arranged for inward flow filtration open-ended the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
- B01D29/25—Supported filter elements arranged for outward flow filtration open-ended the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/37—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection
- B01D33/39—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
- B01D33/68—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
- B01D33/763—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes for continuously discharging concentrated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/28—Position of the filtering element
- B01D2201/287—Filtering elements with a vertical or inclined rotation or symmetry axis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Description
Die Erfindung betrifft einen Filtrationsapparat, welcher in einem Gehäuse eine mit einer unter Druck stehenden Suspension beaufschlagte ringförmige längliche Filtrationskammer aufweist, welche zwischen einer rotationskörperförmigen Außenfiltrationsfläche und einer in dieser geschachtelten rotationskörperförmigen Innenfiltrationsfläche gebildet ist, deren mindestens eine rotierbar in dem Gehäuse angeordnet ist, wobei die ringförmige Filtrationskammer an ihrem einem Ende einen Suspensionszulauf und an ihrem anderen in axialer Richtung gegenüberliegenden Ende einen Produktauslaß aufweist, und wobei die rotationskörperförmigen Filtrationsflächen jeweils an einem Filtratabfluß angeschlossen sind.The invention relates to a filtration apparatus, which in a housing with a one under pressure has standing suspension acted upon annular elongated filtration chamber, which between a rotational body-shaped outer filtration surface and a rotational body-shaped nested therein Internal filtration surface is formed, at least one of which is rotatably arranged in the housing, wherein the annular filtration chamber at one end a suspension inlet and at the other in an axial direction Has a product outlet towards the opposite end, and wherein the rotational body-shaped Filtration surfaces are each connected to a filtrate drain.
Bei dem Filtrationsapparat dieser Art führte man die zu behandelnde unter Druck stehende SusDension durch einen Suspensionszulauf in eine ringförmige Filtrationskammer. Die abzuscheidende Flüssigkeit dringt durch die rotationskörperförmigen Filtrationsflächen und wird als Filtrat mittels jeweils ei.ies an den Filtrationsflächen angeschlossenen Fütralabflusses abgeführt Das in der Filtrationskammer übriggebliebene Produkt bewegt sich durch die Filtrationskammer in Richtung zu einem Produktauslaß, durch welchen das Produkt den Fillrationsapparat verläßt Der Filtrationsapparat arbeitet also kontinuierlich mit einem ständigen Durchfluß der Suspension bzw. des Produkts zwischen den die Filtrationskammer bildenden Filtrationsflächen.In the filtration apparatus of this type, the pressurized suspension to be treated was carried out a suspension inlet into an annular filtration chamber. The liquid to be separated penetrates through the rotational body-shaped filtration surfaces and is used as a filtrate by means of egg.ies on the filtration surfaces connected Fütralabflusses discharged The product left over in the filtration chamber moves through the filtration chamber towards a product outlet through which the product is the The filtration apparatus leaves the filtration apparatus so it works continuously with a constant flow the suspension or the product between the filtration surfaces forming the filtration chamber.
Jedoch bei manchen zu behandelnden SuspensionenHowever, with some suspensions to be treated
bildet sich an den Filtrationsflächen eine feste Kuchenschicht und der bekannte Filtrationsapparat ist zum Filtrieren einer solchen Suspension dann nicht geeignet.A solid cake layer forms on the filtration surfaces and the well-known filtration apparatus is then not suitable for filtering such a suspension.
Es ist die Aufgabe dieser Erfindung, einen Filtrationsapparat zu schaffen, bei welchem die Bildung einer festen Kuchenschicht an den Filtrationsflächen verhindert wird.It is the object of this invention to provide a filtration apparatus in which the formation of a solid cake layer on the filtration surfaces is prevented.
Diese Aufgabe ist an einem Filtrationsapparat der eingangs beschriebenen Art dadurch gelöst daß in der ringförmigen Filtrationskammer eine entlang ihrer Länge reichende, durchlässige, walzenförmige, zwischen den beiden Filtrationsflächen geschachtelte und mit einem eigenen Antrieb zum Drehen in der Filtrationskammer versehene Zwischenwand mit einem Abstand von den beiden Filtrationsflächen angeordnet ist. jo Hierdurch wird erreicht, daß während des Filtrierens mit der sich drehenden Zwischenwand die Suspension turbulent, heftig gewirbelt wird und ein Bilden eines Feststoffkuchens an den Filtrationsflächen vermieden wird.This object is achieved in a filtration apparatus of the type described in that in the annular filtration chamber extending along its length, permeable, cylindrical, between Intermediate wall nested between the two filtration surfaces and provided with its own drive for rotating in the filtration chamber with a spacing is arranged by the two filtration surfaces. jo This ensures that during the filtration with the rotating partition the suspension is turbulent, swirled violently and forming a Solid cake on the filtration surfaces is avoided.
J5 Nach einer bevorzugten Ausführungsform ist die Zwischenwand durch eine Reihe von zu der Filtrationskammer achsparallel verlaufenden Stäben gebildet, welche gemeinsam ein walzenförmiges Stabgitter bilden.J5 According to a preferred embodiment, the Partition formed by a row of rods running axially parallel to the filtration chamber, which together form a cylindrical bar grid.
Durch Drehen dieses Stabgilters in der Filtrationskammer wird das Produkt nicht nur turbulent tangential gemischt und gerührt, sondern es entstehen dadurch auch in Umfangsrichiung an den Filtrationsflächen wirkende Scherkräfte, so daß sich an den Filtrationsflächen keine Kuchenschicht bilden kann.By turning this rod filter in the filtration chamber, the product is not only turbulent and tangential mixed and stirred, but it also occurs in the circumferential direction on the filtration surfaces acting shear forces so that no cake layer can form on the filtration surfaces.
Nach einer weiteren bevorzugten Ausführungsform ist die Zwischenwand ein Rohr, welches mit Löchern versehen ist. Mit Vorteil ist dieses die Zwischenwand bildende, mit Löcher versehene Rohr mit quer zur Umlaufrichtung der Zwischenwand angeordneten Rippen ausgeführt ist.According to a further preferred embodiment, the partition is a tube which has holes is provided. Advantageously, this is the intermediate wall forming, provided with holes pipe with transverse to Is executed circumferential direction of the intermediate wall arranged ribs.
Dabei werden neben dem bisher erreichten Effekt, nämlich neben dem tangentialen Mischen und Rühren und neben den in Umlaufrichtung wirkenden Scherkräften noch zusätzlich in Axialrichtung an den Filtrationsflächen wirkende Scherkräfte herbeigeführt.In addition to the previously achieved effect, namely in addition to tangential mixing and stirring and in addition to the shear forces acting in the direction of rotation, also in the axial direction on the filtration surfaces acting shear forces brought about.
Im weiteren wird der Erfindungsgegenstand anhand der Zeichnung näher beschrieben und erklärt. Es zeigtThe subject matter of the invention is described and explained in more detail below with reference to the drawing. It shows
Fig. 1 ein Ausführungsbeispiel,eines Filtrationsapparates, im vertikalen Querschnitt,Fig. 1 shows an embodiment, a filtration apparatus, in vertical cross-section,
F i g. 2 verschiedene Profilformen der Stäbe, welche die Zwischenwand bilden,F i g. 2 different profile shapes of the bars that form the partition wall,
F i g. 3 und 4 je eine Ausführungsform der Stäbe, undF i g. 3 and 4 each an embodiment of the rods, and
F i g. 5 ein die Zwischenwand bildendes_Rohr.
Der in Fig. 1 dargestellte Filtrationsapparat weist in einem Gehäuse 1 eine ringförmige Filtrationskammer 2,
welche zwischen einer rotationskörperförmigen Außenfiltrationsfläche 3 und einer in dieser geschachteltenF i g. 5 a pipe forming the partition.
The filtration apparatus shown in Fig. 1 has in a housing 1 an annular filtration chamber 2, which is nested between a rotational body-shaped external filtration surface 3 and one in this
rotationskörperförmigen innenfiltrationsfläche 4 gebildet ist Die Filtrationsflächen 3 und 4 sind zylindrisch und zueinander koaxial angeordnet Eine zu behandelnde Suspension wird unter Druck durch einen Suspensionszulauf 6 in die Filtrationskammer 2 hinein geführt und das Produkt wird aus der Filtrationskammer 2 durch einen Produktauslaß 7 weggeführt. An diesem Produktauslaß 7 ist ein nicht gezeichnetes Ventil angeordnet, mittels welchem ein Betriebsdruck in der Filtrationskammer 2 einstellbar ist. rotational body-shaped internal filtration surface 4 is formed The filtration surfaces 3 and 4 are cylindrical and arranged coaxially to one another. One to be treated Suspension is fed into the filtration chamber 2 through a suspension inlet 6 under pressure and the product is led away from the filtration chamber 2 through a product outlet 7. At this product outlet 7 a valve, not shown, is arranged, by means of which an operating pressure in the filtration chamber 2 can be set.
Dabei dringt die Flüssigkeit aus der Suspension durch die Filtrationsflächen 3 und 4 jeweils in einen der Fläche angeschlossenen FiltratabfluS 8 bzw. 9 und wird als Filtrat durch einen Kanal 10 bzw. 1 i weggeführt.The liquid penetrates from the suspension through the filtration surfaces 3 and 4 into one of the surfaces connected filtrate outflow 8 or 9 and is carried away as filtrate through a channel 10 or 1 i.
In der ringförmigen Filtrationskammer 2 ist eine rotierende Zwischenwand 12 angeordnet. Die Zwischenwand 12 weist eine Anzahl von gleichmäßig in Umfangsrichtung der Filtrationskammer 2 verteilten Stäben 13 auf. Diese sind in zwei Ringen 14 gehalten und bilden zusammen ein rotationsförmiges, d. h. zylindrisches Stabgitter {5. Der obere Ring 14 in der F i g. 1 ist bei einer Hohlwelle 16 angebracht, welche in einem die Filtrationskammer 2 abschließenden Deckelteil 17 des Gehäuses 1 drehbar und axial unverschiebbar gelagert und abgedichtet ist.A rotating partition wall 12 is arranged in the annular filtration chamber 2. The partition 12 has a number of uniformly distributed in the circumferential direction of the filtration chamber 2 Bars 13 on. These are held in two rings 14 and together form a rotational, i.e. H. cylindrical Bar grid {5. The top ring 14 in FIG. 1 is attached to a hollow shaft 16, which in a the filtration chamber 2 closing cover part 17 of the Housing 1 is rotatably and axially immovably mounted and sealed.
Die Hohlwelle 16 wird mittels eines Motors 18 gedreht, welcher in beiden Richtungen mit Regulierung der Drehzahl drehbar ist Der Hohlraum der Hohlwelle 16 ist nach außen mittels eines Deckels 21 abgeschior,-sen. The hollow shaft 16 is rotated by means of a motor 18 which is regulated in both directions the speed is rotatable. The cavity of the hollow shaft 16 is cut off from the outside by means of a cover 21.
Die Stäbe 13 sind gerade, glatte und ein rundes Frcfii aufweisende Stäbe. Dieses Profil ist in einem größeren Maßstab in F i g. 2 unter der Bezeichnung 13' gezeigt. In dieser Fig.2 sind auch andere mögliche Profile der Stäbe gezeigt. So ist ein Quadratprofi! mj·, 132 bezeichnet Mit 133 und I34 sind Profile mit noch anderen hydraulischen Wirkungen bezeichnet.The rods 13 are straight, smooth and a round Frcfii having rods. This profile is shown on a larger scale in FIG. 2 shown under the designation 13 '. In this Figure 2 other possible profiles of the bars are shown. So is a square professional! m j ·, 132 denoted by 13 3 and I3 4 are profiles with still other hydraulic effects.
Die Stäbe 13 könnten auch als TransportschneckenThe rods 13 could also be used as screw conveyors
23, wie in F i g. 4 oder als Rechenstäbe 24, wie in F i g. 3 ausgeführt sein. Solche Stäbe wären dann in den Ringen 14 um ihre Achse herum drehbar gehalten. Zum Drehen der Stäbe um ihre Achse herum ist es vorteilhaft, einen Planetenantrieb mit Planetenrädern 25 an den Stäben, welche mit einem stehenden Sonnenrad 26 zusammenwirken, vorzusehen.23, as in FIG. 4 or as slide bars 24, as in FIG. 3 be executed. Such bars would then be in the rings 14 held rotatably about its axis. To rotate the rods around their axis, it is advantageous to use a Planetary drive with planetary gears 25 on the rods, which interact with a stationary sun gear 26, to be provided.
Die zylindrischen Filtrationsflächen 3 und 4 sind in dem Gehäuse 1 drehbar angeordnet und werden mittels eines Motors 30 bzw. eines Motors 32 angetrieben.The cylindrical filtration surfaces 3 and 4 are rotatably arranged in the housing 1 and are by means of a motor 30 and a motor 32 are driven.
Es ist dadurch möglich, daß sie beim Filtrieren stehenbleiben oder nötigenfalls in Bewegung gebracht werden können.This makes it possible for them to stop during the filtration or, if necessary, to be set in motion can be.
Die rotierende Zwischenwand in F i g. 5 ist ein zwischen den Filtrationsflächen 3 und 4 achsparallel zu diesen verlaufendes Rohr 41.The rotating partition in FIG. 5 is an axially parallel to between the filtration surfaces 3 and 4 pipe 41 running this.
Das Rohr 41 ist mit Löchern 42 versehen, damit das Produkt durch das Rohr 41 durchdringen kann. Aus demselben Grund ist auch ein die Wand 41 haltender Ring 14 mit Löchern 22 versehen.The tube 41 is provided with holes 42 so that the product can penetrate through the tube 41. the end For the same reason, a ring 14 holding the wall 41 is also provided with holes 22.
Das achsparallel zur Filtrationskammer 2 verlaufende Rohr 41 ist als ein beiderseits rauhes Rohr ausgeführt und weist quer zur Umlaufrichtung verlaufende Rippen 43 auf. Wie es besonders gut in F i g. 5 zu sehen ist, verlaufen die Rippen jeweils entlang einer gedachten Schraubenlinie, und helfen so das Produkt auch in Richtung zum Produktablaß 7 zu bewegen.The tube 41, which runs axially parallel to the filtration chamber 2, is designed as a tube that is rough on both sides and has ribs 43 running transversely to the direction of rotation. As is particularly evident in FIG. 5 can be seen the ribs each run along an imaginary helical line, and so help the product in To move towards the product outlet 7.
Der erfindungsgemäße Filtrationsapparat arbeitet grundsätzlich in allen Lagen im Raum. Die dargestellte vertikale Anordnung im Raum ist jedoch eine der platzsparensten.The filtration apparatus according to the invention works in principle in all positions in space. The one shown However, vertical arrangement in the room is one of the most space-saving.
Hierzu 2 Blatt ZeichnungenFor this purpose 2 sheets of drawings
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2558683A DE2558683C2 (en) | 1975-12-24 | 1975-12-24 | Filtration apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2558683A DE2558683C2 (en) | 1975-12-24 | 1975-12-24 | Filtration apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2558683A1 DE2558683A1 (en) | 1977-07-07 |
| DE2558683C2 true DE2558683C2 (en) | 1982-02-11 |
Family
ID=5965624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2558683A Expired DE2558683C2 (en) | 1975-12-24 | 1975-12-24 | Filtration apparatus |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2558683C2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3390031T1 (en) * | 1982-06-11 | 1984-11-15 | Csongrád Megyei Víz- és Csatornamü Vállalat, Szentes | Device for treating water |
| DE3628455A1 (en) * | 1986-08-21 | 1988-03-03 | Kloeckner Humboldt Deutz Ag | Apparatus for separating off solid contaminants from liquids |
| RU204652U1 (en) * | 2019-02-25 | 2021-06-02 | Клиа Опшенс, Зао | DEVICE FOR SEPARATING DISPERSIONS |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2836866A1 (en) * | 1978-08-23 | 1980-03-13 | Dynofag Ag | METHOD AND DEVICE FOR SEPARATING LIQUIDS FROM SUSPENSIONS |
| EP0370118B1 (en) * | 1988-11-17 | 1993-10-20 | HERCO-CFF ChiralFlow Filtertechnik GmbH | Filterapparatus for the purification of a liquid |
| DE3883986D1 (en) * | 1988-11-17 | 1993-10-14 | Herco Cff Chiralflow Filter | Pressure filter apparatus. |
| DE4015187A1 (en) * | 1989-05-11 | 1990-11-29 | Chmiel Horst | Device for sepg. liq. mixtures - has membrane on inner rotating cylinder inside outer stationary cylinder with vanes to produce highly turbulent flow between cylinders |
| DE4135359C1 (en) * | 1991-10-26 | 1992-09-17 | Hrch. Huppmann Gmbh Maschinenfabrik, 8710 Kitzingen, De | |
| US7757866B2 (en) * | 2007-12-20 | 2010-07-20 | Mccutchen Co. | Rotary annular crossflow filter, degasser, and sludge thickener |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2975899A (en) * | 1957-04-16 | 1961-03-21 | Bird Machine Co | Screening device |
| FR1546515A (en) * | 1967-06-14 | 1968-11-22 | Lamort E & M | Apparatus for cleaning liquids containing suspended solids such as paper pulp |
| US3581893A (en) * | 1968-01-02 | 1971-06-01 | Improved Machinery Inc | Screening apparatus |
| DE2054968C3 (en) * | 1970-11-09 | 1980-05-29 | Hans-Joachim 6148 Heppenheim Titus | Rotary filter |
-
1975
- 1975-12-24 DE DE2558683A patent/DE2558683C2/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3390031T1 (en) * | 1982-06-11 | 1984-11-15 | Csongrád Megyei Víz- és Csatornamü Vállalat, Szentes | Device for treating water |
| DE3628455A1 (en) * | 1986-08-21 | 1988-03-03 | Kloeckner Humboldt Deutz Ag | Apparatus for separating off solid contaminants from liquids |
| RU204652U1 (en) * | 2019-02-25 | 2021-06-02 | Клиа Опшенс, Зао | DEVICE FOR SEPARATING DISPERSIONS |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2558683A1 (en) | 1977-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| D2 | Grant after examination | ||
| 8339 | Ceased/non-payment of the annual fee |