WO2010022842A1 - Séparateur à vis à pression doté d'un arbre creux de vis sans fin - Google Patents

Séparateur à vis à pression doté d'un arbre creux de vis sans fin Download PDF

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Publication number
WO2010022842A1
WO2010022842A1 PCT/EP2009/005498 EP2009005498W WO2010022842A1 WO 2010022842 A1 WO2010022842 A1 WO 2010022842A1 EP 2009005498 W EP2009005498 W EP 2009005498W WO 2010022842 A1 WO2010022842 A1 WO 2010022842A1
Authority
WO
WIPO (PCT)
Prior art keywords
screw
shaft
drive unit
hollow
screw extruder
Prior art date
Application number
PCT/EP2009/005498
Other languages
German (de)
English (en)
Inventor
Dietrich Eichler
Original Assignee
Röhren- und Pumpenwerk Bauer GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Röhren- und Pumpenwerk Bauer GmbH filed Critical Röhren- und Pumpenwerk Bauer GmbH
Priority to EP09777524A priority Critical patent/EP2315620A1/fr
Publication of WO2010022842A1 publication Critical patent/WO2010022842A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
    • B30B9/128—Vertical or inclined screw presses
    • 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
    • B01D29/117—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 arranged for outward flow filtration
    • B01D29/118—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 arranged for outward flow filtration open-ended
    • 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
    • B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
    • B01D29/445—Bar screens
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element

Definitions

  • the invention relates to a press screw separator for the separation of solid components from a slurry containing solid and liquid components, such as waste water from municipal, industrial or agricultural enterprises, manure, pulp, etc.
  • the invention relates in particular to a compact, small-sized press screw separator.
  • a press screw separator for separating solid components from a slurry containing solid and liquid components, such as sewage from municipal, industrial or agricultural operations, manure, etc., comprising a housing with a filling area, which has a feed for the pulp, a plug portion having an outlet for the solid constituents and a separation area having a discharge for the liquid constituents, a drive unit, and a press screw driven by the drive unit.
  • the press screw has a hollow worm shaft, and wherein the drive unit is at least partially disposed within the hollow worm shaft.
  • the press screw separator according to the invention is verygruicid and the hitherto empty space within ⁇ -Schneckenwelle can thus be effectively utilized.
  • the press screw can also be referred to as a screw conveyor, since the precipitated from the pulp solids is conveyed and pressed.
  • the drive unit further comprises a drive motor and / or a transmission.
  • This transmission can be both within the drive motor and be flanged to this.
  • the drive motor sits above the transmission in order to protect the drive motor from the oil filling of the transmission.
  • An advantageous compact design already arises when only a part of the transmission and / or a part of the drive motor are arranged within the hollow worm shaft.
  • Particularly advantageous, in particular for a press screw separator with high power, is a planetary gear within the drive unit.
  • the drive unit is arranged completely within the hollow worm shaft. If the drive unit comprises an electric motor and a transmission, it is thus particularly advantageous that these two components are arranged completely inside the hollow worm shaft. If the drive unit consists solely of a drive motor, e.g. a hydraulic motor, is advantageously located entirely within the hollow worm shaft. Due to the fact that the drive unit according to the invention is arranged completely inside the hollow screw groove, neither the drive motor nor the gear unit projects beyond the hollow worm shaft at its end faces.
  • the hollow worm shaft encloses more than half of the drive unit. In other words, if one looks at the hollow worm shaft perpendicular to its jacket surface, one sees a part of the drive unit sticking out. This is a compromise found in compact design and optimal ventilation of the drive unit.
  • a center longitudinal axis of the press screw separator is oriented at an angle of 90 ° ⁇ 30 ° relative to the horizontal.
  • the press screw separator according to the invention is substantially vertical.
  • the filling region is located below the plug region, wherein the separating region with a sieve is located between these regions. Thus, is pressed against gravity and promoted.
  • the drive unit comprises a drum motor, in particular an electrically driven drum motor, wherein the drive unit is operatively connected to an internal rotationally fixed shaft and an output surrounding the shaft.
  • Drum motors are in a very compact design and in Multiple design available on the market and often combine the electric drive together with the necessary translation within an assembly.
  • a hydraulic drive in particular a hydraulic drum motor, advantageous.
  • the hollow worm shaft is rotatably mounted to the shaft of the drum motor. That is, the hollow worm shaft is supported, in particular in the radial direction with a rolling bearing, against the rotationally fixed shaft of the drum motor. As a result, no direct connection or storage of the hollow worm shaft in the plug region to the housing is necessary.
  • the shaft is mounted non-rotatably in the housing and the hollow worm shaft is mounted axially against the shaft. It is sufficient to store the non-rotatable shaft of the drum motor at one end.
  • this is done with vertically standing press screw separator in the filling area, so below.
  • the worm shaft in particular with a roller bearing, is also mounted on the shaft of the drum motor in the filling area.
  • the output of the drive unit, in particular of the transmission is connected in the filling area via a flange with the hollow worm shaft.
  • the drum of the drum motor ie its lateral surface, directly or via annular intermediate elements with the inner wall of the hollow worm shaft.
  • the connection via the flange, in particular on an end face of the hollow worm shaft is particularly simple and easy to assemble.
  • the hollow worm shaft is axially supported on the housing in the filling area via a slide bearing. Due to the two advantageous rolling bearings already described between the hollow worm shaft and the shaft of the drum motor, the hollow worm shaft is opposite to the Shaft centered. Especially in the vertical embodiment of the press screw separator according to the invention, the press screw can rotate in the housing thanks to the advantageous sliding bearing.
  • the drive unit has a plug connection for an electrical and / or hydraulic connection in the plug region, that is to say in the case of a vertical design of the press screw separator in the upper region.
  • the press screw can be assembled and disassembled together with the drive unit as a module.
  • a relaxation chamber surrounding the hollow screw shaft is provided for an outgoing solid plug.
  • a driver in particular with the press screw, can be provided in this region of the press screw separator. This driver distributes the solids and conveys them into the exit. This exit is advantageously designed as a slide.
  • the output can be closed by a stowage flap arrangement which can be pivoted away under a certain axial force acting under an ejection direction. This leads to a compression of the solid plug and thus improved drainage.
  • a sieve surrounding the press screw and supported against the housing is arranged in the separation area.
  • the hollow worm shaft is at least partially surrounded by a spiral screw.
  • at least two spiral flights are provided so that the pressing forces act axially.
  • up to eight augers are advantageous in order to distribute the axial forces more evenly over the supporting elements.
  • an annular space is defined at least between an inner side of the screen and a lateral surface of the worm shaft.
  • the screen is cylindrical and has an inlet facing inlet side opening at an end face, wherein the screw helix starts at least one pitch before the inlet side opening of the wire and has a constant pitch.
  • a spiral edge of the screw spiral is guided in front of the inlet-side opening of the screen to the housing, and the spiral edge in the screen is guided to close to the inside of the screen. Due to the fact that the spiral edge terminates almost flush with the housing in the filling area, the turbidity can be effectively conveyed from the filling area to the sieve or separating area. In the separation area there is a small distance between the helix edge and the wire to ensure a certain flexibility of the wire.
  • the screen is designed as a screen basket, in particular as a slotted screen with axially parallel rods.
  • the screen forms a stable modular unit and can be easily assembled and disassembled.
  • the first section (part of the filling area) is used to fill the machine.
  • spiral flights are located in the entire area.
  • vibrations can be introduced here to reduce the viscosity.
  • the second section (part of the separation zone) is defined by the annulus in which the screen is placed around the screw flights.
  • the solid concentrates on so that the press screw in the axial direction can build a pressing force in the solid.
  • the length of this section is from the properties of the pulp and the solids contained therein. The higher the viscosity (eg cattle slurry), the longer this section has to be. At low viscosity (eg pulp, paper), too long a section causes blockages.
  • the third section (part of the separation zone) is defined by the annulus formed by the hollow worm shaft and screen without helical coil. At the beginning of the third section, the largest axial pressing forces occur and intensive dewatering occurs, but subsequently decreases rapidly, so that the screen does not need to be carried out much longer.
  • the fourth section is at the beginning of the plug area.
  • the plug thus forms in the third and fourth sections.
  • the length of this prog can affect the degree of dewatering of the solid.
  • a ratio between screw shaft diameter and annular gap of 1.46 is advantageous.
  • Particularly advantageous sizes are: Worm shaft diameter 110 mm, sieve diameter 260 mm, annular gap 75 mm.
  • a ratio between screw shaft diameter and annular gap of 2.21 is advantageous. Particularly advantageous sizes are: screw shaft diameter 210 mm, screen diameter 400 mm, annular gap 95 mm. In high performance design, there is a ratio between
  • a ratio between worm shaft diameter and annular gap of 3.20 is advantageous.
  • Particularly advantageous sizes are: Worm shaft diameter 160 mm, sieve diameter 260 mm, annular gap 50 mm.
  • FIG. 1 is a sectional side view of a Schneckenwelle with cut screw shaft according to the invention according to a first embodiment
  • FIG. 2 shows a detailed view of a plug region from FIG. 1, FIG.
  • FIG. 3 is a detail view of a filling region of FIG. 1,
  • FIG. 6 is a plan view of the press screw separator according to the invention according to the first embodiment
  • Fig. 7 is a sectional plan view of the press screw separator according to the invention according to the first embodiment
  • 8 shows a sectional side view of a press screw separator according to the invention with a cut screw shaft according to a second embodiment.
  • FIG. 1 shows a sectional side view of the press screw separator 1 according to the invention with the press screw 11 cut open according to the first exemplary embodiment.
  • This press screw separator 1 is essentially subdivided into a housing 2 and the press screw 11 with a length l of 900 mm, wherein the press screw 11 forms a module together with a drive unit 9. Furthermore, it is easy to see how a central longitudinal axis 17 of the press screw separator 1 is perpendicular to a horizontal 18.
  • the press screw separator 1 thus works against gravity and can be subdivided into the following three functional groups: a filling region 3 in the lower section of the press screw separator 1, a separating region 7 in the middle, and a plug region 5 above the separating region 7.
  • the housing 2 is divided into a housing base body 2a, on which, connected via a first screw connection 27, an upper housing part 2b is seated.
  • the housing base 2a extends over the separation region 7 and the filling region 3.
  • the housing base 2a has a feed 4, which is formed as a tubular extension with a diameter d2.
  • the housing base body 2a has an outlet 8 designed as a tubular connection with a diameter d3.
  • the housing base body 2a has a square maintenance flap 2c.
  • the upper housing part 2b is seated on the housing base 2a and is divided into a first cylindrical portion and a second cylindrical portion 5a, wherein a diameter of the first cylindrical portion 5b is smaller than a diameter of the second cylindrical portion 5a.
  • the second cylindrical portion 5a forms a flash chamber 23.
  • a cylindrical sieve 12 extends over the entire separation region 7. This sieve 12 filters over its lateral surface and is thus permeable to liquid in the direction of the discharge 8.
  • An annular clearance is formed between an outer side of the sieve 12 and an inner side of the housing base 2a 28. At the end faces of the sieve 12 is open and thus there is a lower, the filling area facing inlet side opening 12a and an upper, the plug region 5 facing outlet side opening 12b.
  • the press screw 11 and the drive 9 are arranged.
  • a first axial section 24 is formed, in which the annular space 15 is traversed by the spiral screw 14. Above this first axial section 24 extends a second axial section 25, in which the annular space 15 is free of the worm gear 14.
  • FIG. 1 shows how the drive unit 9 is composed of a drive motor 10, designed as an electric drum motor, via a transmission 16.
  • This drive motor 10 and this gear 16 are located over their full length within the hollow worm shaft 13.
  • a shaft 19 extends through this drive unit 9, consisting of drive motor 10 and gear 16.
  • An output 20 of the gear 16, which comprises the shaft 19, is rotatably connected in the filling area 3 via a flange 35 frontally with the hollow worm shaft 13. Die Welle 20 ist in der Gree 3 an exam. This connection via the flange 35 is ensured by a second screw 22c.
  • a substantially radial bearing of the hollow worm shaft 14 takes place via a cover 21 against the shaft 19 with a first roller bearing 34, wherein the interior of the hollow worm shaft 13 is sealed with a first seal 33 on the first roller bearing 34.
  • the lid 21 is screwed via a third screw 30 with the hollow screw helix 14. (This bearing structure is shown enlarged in FIG. 2)
  • driver 29a-29d are provided in the expansion chamber 23 (FIG. 1 shows only two drivers 29a, 29c). These drivers 29a-29d are non-rotatably connected to the hollow worm shaft 13 via a connecting part 32.
  • the hollow worm shaft 13 is supported by the flange 35 via a sliding bearing 22 on the housing 2.
  • an annular sliding lining 22a is screwed to the second screw connection 22c on the flange 35.
  • This annular sliding lining 22a rests on a counterpart 22b, designed as an annular portion of the housing base 2a.
  • a second roller bearing 36 is designed, which supports the hollow worm shaft 13 substantially in the radial direction to the shaft 19.
  • a second seal 36a is provided for sealing the interior of the hollow worm shaft 13. (This bearing structure is shown enlarged in FIG. 3)
  • the shaft 19 is formed in the lower region as a square shaft 19a to rotatably support in a shaft bearing 37.
  • an electric cable 38 protrudes from the out.
  • the press screw separator 1 has feet 39a to 39d. In Fig. 1, only two feet 39a and 39c can be seen.
  • turbidity can be introduced into the press screw separator 1 via the feed 4. This is then conveyed through the filling area 3 in the separation area 7 and compressed at the same time.
  • this separation region 7 water is pressed out of the solid, with the water passing through the sieve 12 into the free space 28. From there the water continues to flow via the discharge 8 out of the screw extruder 1.
  • a certain backpressure in the free space 28 can be established via a valve-controlled discharge of the water via the discharge 8 in order to regulate the separation process.
  • a plug is optimally formed from the solid. This plug is distributed in the expansion chamber 23 by the drivers 29a-29d and leaves the press screw separator 1 via the outlet 6, designed as a chute.
  • the press screw 11 is rotated via the electric drive 10, which is supplied with power via the electric cable 38, and via the gear 16 and performs the conveying or pressing operation.
  • the press screw 11 is supported on the housing 2 via the slide bearing 22. Thanks to the connecting part 32, the drivers 29a-29d are co-rotated simultaneously with the press screw 11. For maintenance, the complete unit of press screw 11 and drive 9 via a hook 26 (Fig. 4) are removed upwards out of the housing 2.
  • FIG. 2 shows the plug region 5 from FIG. 1 in an enlarged detail view.
  • FIG. 3 shows the filling area 3 from FIG. 1 in an enlarged detail view.
  • FIG. 4 shows the press screw separator 1 of FIG. 1 according to the embodiment with the press screw 11 in a full view.
  • a driver 29b can be seen.
  • a hood 31 covering the shaft 19 at the uppermost end of the press screw separator 1 is shown.
  • a hook 26 is provided.
  • the marking for a section from FIG. 7 is indicated by the marking A-A in FIG. 4.
  • FIG. 5 shows an uncut side view of the press screw separator 1 according to the embodiment.
  • the Press screw separator 1 turned here by 90 °.
  • the discharge 8 shows out of the plane of the drawing. This makes it easy to see how the output 6 is designed as a slide.
  • FIG. 5 shows two further feet 39b and 39d.
  • Fig. 6 also shows in uncut view the press screw separator 1 in plan view. It is easy to see how the feet 39a-39d and the drivers 29a-29d are distributed uniformly along the circumference.
  • Fig. 7 shows the section through the press screw separator 1 with mark A-A, as already indicated in Fig. 4. It can be seen how the screen 12 is supported in the radially outer direction against a support basket 40.
  • This support basket 40 is in turn connected by a first holder 41a, a 120 ° offset second holder 21b and a turn offset by 120 ° third holder 21c with the housing base 2a.
  • the first holder 41a, the second holder 41b and the third holder 41c are synonymous in construction and mode of action.
  • this structure will be briefly explained on the first holder 41a.
  • the holder 41a is composed of a stop 42, welded to the support basket 40. At this stop 42 is an elastic holder member 43, which is bolted via a fourth screw 45 with a retaining plate 44 on the housing base 2a.
  • Fig. 8 shows a sectional side view of a press screw separator 1 according to the invention with a cut screw shaft 13 according to the second embodiment.
  • This screw extruder 1 is more powerful than that of the first embodiment. Therefore, here the gear 16 is designed as a planetary gear.
  • the drive unit 9 is supported by a stand 46 on the housing base body 2a. This stand 46 is connected by means of a fifth screw 46 a with a non-rotating portion of the transmission 16. An output of the transmission 16 is connected to a sixth screw 47a and an annular connecting part 47 connected to the inside of the worm shaft 13.
  • a driver 29 e which is attached directly to the outside of the worm shaft 13.
  • An overhang 10a denotes a part of the drive motor 10 which protrudes from the hollow worm shaft 13. Nevertheless, the majority of the drive unit 9 remains within the hollow worm shaft 13 and a space-saving construction is given.
  • the invention shows a very effective, yet compact, compact and practical screw extruder.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtration Of Liquid (AREA)

Abstract

L'invention concerne un séparateur à vis à pression (1) destiné à la séparation de constituants solides d'un liquide boueux contenant des constituants solides et liquides, par exemple des eaux usées d'entreprises communales, industrielles ou agricoles, lisier etc., comprenant un carter (2) doté d'une zone de remplissage (3) pourvue d'une admission (4) pour le liquide boueux, une zone tampon (5) présentant une sortie (6) pour les constituants solides et une zone de séparation (7) présentant une évacuation (8) pour les constituants liquides, une unité d'entraînement (9), et une vis à pression (11) entraînée par l'unité d'entraînement (9), la vis à pression (11) présentant un arbre creux (13), caractérisé en ce que l'unité d'entraînement (9) est disposée au moins partiellement dans l'arbre creux (13) de la vis sans fin.
PCT/EP2009/005498 2008-08-26 2009-07-29 Séparateur à vis à pression doté d'un arbre creux de vis sans fin WO2010022842A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09777524A EP2315620A1 (fr) 2008-08-26 2009-07-29 Séparateur à vis à pression doté d'un arbre creux de vis sans fin

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202008011369.5 2008-08-26
DE202008011369U DE202008011369U1 (de) 2008-08-26 2008-08-26 Pressschneckenseparator

Publications (1)

Publication Number Publication Date
WO2010022842A1 true WO2010022842A1 (fr) 2010-03-04

Family

ID=40076437

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/005498 WO2010022842A1 (fr) 2008-08-26 2009-07-29 Séparateur à vis à pression doté d'un arbre creux de vis sans fin

Country Status (3)

Country Link
EP (1) EP2315620A1 (fr)
DE (1) DE202008011369U1 (fr)
WO (1) WO2010022842A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT519609A1 (de) * 2017-01-27 2018-08-15 Andritz Ag Maschf VORRICHTUNG ZUM ENTWÄSSERN VON SCHÜTTFÄHIGEM ODER FLIEßFÄHIGEM AUFGABEGUT

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1401039B1 (it) 2010-07-05 2013-07-12 Wam Spa Impianto di separazione a coclea per il trattamento di impasti liquidi
DE102012215953A1 (de) * 2012-09-10 2014-03-13 Voith Patent Gmbh Schneckenpresse

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55122998U (fr) * 1979-02-23 1980-09-01
EP0367037A2 (fr) * 1988-11-03 1990-05-09 Fan Engineering Gmbh Procédé de déshydratation d'une suspension aqueuse et pressoir à vis rotative
JPH07185498A (ja) * 1991-07-05 1995-07-25 Clarion Co Ltd 厨芥処理装置
JP2005131644A (ja) * 2003-10-28 2005-05-26 Sanken Kogyo Kk スクリュー脱水機
WO2008145079A1 (fr) * 2007-05-30 2008-12-04 Röhren- und Pumpenwerk Bauer GmbH Séparateur à vis à pression

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55122998U (fr) * 1979-02-23 1980-09-01
EP0367037A2 (fr) * 1988-11-03 1990-05-09 Fan Engineering Gmbh Procédé de déshydratation d'une suspension aqueuse et pressoir à vis rotative
JPH07185498A (ja) * 1991-07-05 1995-07-25 Clarion Co Ltd 厨芥処理装置
JP2005131644A (ja) * 2003-10-28 2005-05-26 Sanken Kogyo Kk スクリュー脱水機
WO2008145079A1 (fr) * 2007-05-30 2008-12-04 Röhren- und Pumpenwerk Bauer GmbH Séparateur à vis à pression

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"OHNE GETRIEBE", PLASTVERARBEITER, HUETHIG GMBH, HEIDELBERG, DE, vol. 53, no. 9, 1 September 2002 (2002-09-01), pages 84/85, XP001116280, ISSN: 0032-1338 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT519609A1 (de) * 2017-01-27 2018-08-15 Andritz Ag Maschf VORRICHTUNG ZUM ENTWÄSSERN VON SCHÜTTFÄHIGEM ODER FLIEßFÄHIGEM AUFGABEGUT
AT519609B1 (de) * 2017-01-27 2019-08-15 Andritz Ag Maschf VORRICHTUNG ZUM ENTWÄSSERN VON SCHÜTTFÄHIGEM ODER FLIEßFÄHIGEM AUFGABEGUT

Also Published As

Publication number Publication date
EP2315620A1 (fr) 2011-05-04
DE202008011369U1 (de) 2008-11-27

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