WO2010144926A1 - Dispositif de séparation de matière solide grossière - Google Patents

Dispositif de séparation de matière solide grossière Download PDF

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Publication number
WO2010144926A1
WO2010144926A1 PCT/AT2010/000174 AT2010000174W WO2010144926A1 WO 2010144926 A1 WO2010144926 A1 WO 2010144926A1 AT 2010000174 W AT2010000174 W AT 2010000174W WO 2010144926 A1 WO2010144926 A1 WO 2010144926A1
Authority
WO
WIPO (PCT)
Prior art keywords
discharge
coarse
separation space
space
separating
Prior art date
Application number
PCT/AT2010/000174
Other languages
German (de)
English (en)
Inventor
Herbert Zegg
Bedo Coc
Harald Weigant
Original Assignee
Celtec 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 Celtec Gmbh filed Critical Celtec Gmbh
Priority to EP10721917A priority Critical patent/EP2442884A1/fr
Publication of WO2010144926A1 publication Critical patent/WO2010144926A1/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
    • B30B9/04—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 press rams
    • B30B9/06—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 press rams co-operating with permeable casings or strainers
    • B30B9/067—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 press rams co-operating with permeable casings or strainers with a retractable abutment member closing one end of the press chamber
    • 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
    • B01D29/31—Self-supporting filtering elements
    • B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
    • 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
    • B01D29/6484—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 translatory movement with respect to 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
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp
    • D21D5/023—Stationary screen-drums

Definitions

  • the invention relates to a device for separating coarse solids according to the preamble of claim 1.
  • the viscous fluid to be treated may be, for example, a sludge obtained in wastewater engineering.
  • a clarifying or fecal sludge is an aqueous suspension of more or less fine organic and mineral solids, but may also contain coarse solids such as sand, gravel or stones, which interfere with the treatment and cause high wear on the system components.
  • coarse solids such as rags, sanitary napkins or condoms can cause blockages.
  • a viscous fluid may also be industrially produced
  • Coarse materials are completely removed from the device, as these coarse materials could on the one hand reduce the throughput and could lead to blockages and the
  • a device for separating coarse solids from a viscous fluid such as a fiber suspension
  • means for separating the coarse material from the accept and means for discharging and removing the coarse material from the device wherein in a separation space in which the crude fluid flows and in which the separation of the coarse material takes place from the accepts, at least one movable mechanical discharge device is arranged, which shifts the there separated and enriched coarse materials in at least one discharge, by the characterizing features of claim 1.
  • the discharge area is temporarily separable from the separation space by the discharge device, whereby at least one of the Separation space spatially delimited discharge space is formed, from which the coarse materials are discharged from the device.
  • the device according to the invention it is possible with the device according to the invention to separate the coarse materials in a manner that very little carrier material or accepts is mitentfernt, whereby the quantitative absolute losses of accepts are minimal.
  • the device can be operated energy-saving, but at the same time efficient, since it is not dependent on gravity or centrifugal forces, but the coarse materials are forcibly removed with the .mechanical discharge device.
  • Device for removing the coarse material does not have to be switched off, but that the device can be continuously operated while the coarse material from the system continuously removed at certain intervals. This will be
  • a sieve is provided as a means for separating the coarse from the accept, wherein the accept passes through the screen and is discharged and the coarse particles remain in the separation space and are enriched there, preferably a device for Cleaning the screen openings or to keep the screen surfaces is provided.
  • the means for separating the coarse material from the accepts is designed as a screen basket or sieve drum, and the Trerinraum and the discharge are designed as annular spaces, in particular the separation space cylinder jacket arranged around the sieve drum is.
  • the viscous fluid can pass through a large screen surface on all sides and the device operates efficiently and has only a small footprint.
  • the discharge device then works when it is provided that the discharge in the separation chamber is linearly displaced back and forth.
  • the discharge device comprises an essentially perpendicular to its direction of rotation aligned annular disc, which acts on the coarse materials.
  • the annular disk has a slightly smaller radial width than the width of the separation space and / or the discharge space.
  • a good and reliable guidance of the annular disc is ensured when the annular disc is guided over two rods, which preferably attach at opposite positions on the annular disc.
  • An advantageous embodiment which provides that the rods are connected to each other via a bending and torsion-resistant connecting element or spaced from each other, wherein the connecting element is in particular bent or curved, preferably with a curvature as the edge of the annular disc, ensures a secure movement Ring disc, without wedging.
  • Discharge device is configured as in the separation space rotating screw, piston, scraper or screen plate. Depending on the nature and design of the coarse material to be separated, a selection can be made here.
  • the device works particularly effectively when the discharge space is separated from the separation space in a fluid-tight manner. In this way, the losses of accepts in the removal of the coarse materials are minimal and the separation of the coarse materials can be undisturbed and without any impairment.
  • An advantageous embodiment is characterized in that two discharge areas and two discharge spaces are provided which lie in the mutually opposite terminal areas of the separation space. In this way, a double effect can be achieved. In this context, it is advantageous if it is provided that everyone
  • Discharge space has means for removing the coarse matter enriched therein, in particular an outlet or a vent opening and optionally a
  • a control which coordinates the movement of the discharge device and the means for removing the coarse materials, wherein the controller controls the opening of the outlets or the function of the flushing devices in each discharge space, for example, that the Outlets only then opened or the flushing devices are activated only when the discharge has reached its terminal extreme position or has separated the discharge from the separation space.
  • the separation into accept and
  • Grobst can be continued continuously and the means for removing the coarse materials are discontinuously operable.
  • the device is designed as a gravity separator, centrifugal separator, cyclone separator or magnetic separator, wherein the mechanical discharge device is arranged and acts in that region in which the coarse matter is deposited and enriched.
  • a special separating device may be advantageous or provide the best results.
  • FIG. 1 shows a three-dimensional view of the device.
  • FIGS. 2 and 3 also show three-dimensional views of details of FIG.
  • Fig. 1 the device according to the invention is shown in three-dimensional representation, with parts of the housing have been removed in order to better represent the inner workings.
  • Figs. 2 and 3 are also three-dimensional Representations, each with different parts, such as the strainer, have been omitted.
  • the exemplary apparatus shown here is an apparatus for the paper industry for separating coarse solids from a viscous fluid, namely a paper pulp suspension containing staples, paper clips or wires as coarse material.
  • a viscous fluid namely a paper pulp suspension containing staples, paper clips or wires as coarse material.
  • this purpose is by no means restrictive, since this device is also suitable for other applications.
  • the device comprises means for separating the coarse materials, namely a substantially cylindrical screen basket or a cylindrical screen drum 2 with in particular slot-shaped screen openings, which is arranged in the interior of a separation chamber 5.
  • the separation chamber 5 surrounds the screen drum 2 on all sides cylinder jacket-shaped with a common longitudinal axis.
  • the ringra umförmige separation space 5 is bounded laterally by the outlet-side flange 19 and on the opposite side by a fixed bearing plate 18. Inside the separation space 5 is limited by the screen drum 2, outwardly through the housing of the device. Via an inlet 1, the raw suspension to be treated flows into the separation space 5 substantially normal to the sieve surface of the sieve drum 2.
  • the fiber suspension flows around in the annular space separating space 5 and the accept occurs through the screen drum 2 from all sides.
  • the accept occurs inside the screen drum 2 and is withdrawn via the outlet 3, which is formed by a flange 19.
  • a more or less thick filter cake forms in operation depending on the fiber content.
  • a comb rotor 4 with eg two combs is optionally provided, which are driven by a motor to rotate the screen basket 2 along the slots of the screen drum 2 and keep clean or clean or loosen or remove the filter cake.
  • the coarse materials are enriched in the outer region of the screen drum 2, whereby the concentration of coarse material in this region of the separation chamber 5 increases continuously.
  • a mechanical discharge device 6 is arranged, which is linearly reciprocally movable in a straight path, wherein the path is parallel to the central center axis of the screen drum 2 and parallel to the edge of the separation space 5.
  • the discharge device 6 is used for discharging and removing the coarse material from the device and is designed so that with it the coarse materials can be moved and moved and are conveyed away from the critical area immediately in front of the screen drum 2.
  • the discharge device 6 can be designed as a screw rotating in the separating space 5, as a piston, scraper or scratch. It is essential that it is designed so that it is at least formed by the separation space 5 temporarily spatially delimited discharge space 7, 8, in which the coarse materials are pushed by her.
  • the advantageous embodiment shown in the figures the
  • Discharge device 6 an annular disc 6a, which is guided over two rods 20.
  • the two rods 20 are parallel to the central longitudinal axis of the screen drum 2 and set at opposite positions of the annular disc 6a and thereby allow a smooth guidance.
  • the discharge device 6 can be moved pneumatically, hydraulically or electrically.
  • the two rods 20a in an area outside the device or outside of the separation space 5 in addition via a bending and torsion, curved, bow-shaped connecting element or connecting yoke 21 connected or spaced from each other.
  • the connecting element 21 is bent or curved in the same way as the edge of the annular disc 6a. In this way, tilting of the annular disc 6a in the separation space 5 is avoided.
  • the annular disc 6a has a radial width which is only slightly smaller than the radial width of the separation space 5. In this way, the annular disc 6a detects in their reciprocating almost all coarse materials and pushes them along the outside of the screen drum 2 in front of him.
  • the gap between the annular disc 6a and the wall of the separation chamber 5 is only about a maximum of 2 mm wide, so that the coarse materials are effectively separated.
  • a discharge region 70, 80 is defined, which in each case corresponds to those Marks area in which the discharge device 6, 6a, the coarse materials shipped.
  • a discharge space 7, 8 spatially delimited from the separation space 5 is temporarily formed by the discharge device 6, more precisely by the surface of the annular disk 6a. This formation of the discharge chambers 7, 8 takes place temporarily and is dependent on the movement of the discharge device 6.
  • the discharge chambers 7, 8 are formed in a constant change and canceled, which in the present embodiment at the same time always only one order space 7, 8 is formed can be.
  • Each discharge chamber 7, 8 has means for removing the inserted therein
  • a flushing device 12, 13, 14, 15 is provided in each case in the upper region, via which liquid can be introduced into the discharge chambers via valves and nozzles from the outside.
  • a central multi-way valve can be provided, which simultaneously creates a pressure relief function between the two discharge chambers 7 and 8.
  • Fig. 5 is a rotated by 90 ° sectional view of FIG. 4, wherein the
  • Discharge device 6 is shown in its initial state and the annular disc 6a is located far left in its terminal extreme position. According to the invention may further be provided a control, not shown in the figures, which coordinates the movement of the discharge 6, 6a and the functionality of the means for removing the coarse material and in particular at the right time, the outlets 16, 17 opens or activates the flushing devices.
  • the controller also has a reversing function if solids get jammed between the discharge device 6, 6a and the walls of the discharge space 7, 8 or the separation space 5.
  • the outlet 17 is opened by the control and the flushing device 13, 15 is activated, whereby the coarse material leaves the device via the outlet 17.
  • the outlet 17 is then closed again and the annular disc 6a 'moves back through the separating space 5 back to the right, in turn pushes the coarse material accumulated in the meantime in front of him, now in the opposite direction, in the direction of the discharge 70.
  • the discharge space 7 between the bearing plate 18 and the annular disc 6a is formed in the discharge area 70, again delimited spatially and fluid-tight from the separation space 5.
  • Now opens the outlet 16 and the flushing device 12, 14 is activated, which in turn the coarse materials are discharged from the outlet 16.
  • the process is repeated, whereby the discharge device 6, 6a is moved relatively slowly in the rule.
  • the speed depends on the expected proportion of coarse material and can be adjusted continuously and readjusted. Meanwhile, the separation of the coarse material passes through the screen drum 2 without
  • the concentration of coarse materials in the separation space 5 can be kept constantly low, without having to stop the device.
  • the coarse materials can thus be removed with a minimum residual content of accept or carrier material, whereby further fiber recovery stages can be saved.
  • there is no dilution of the medium which results in more advantageous operation of downstream machines, e.g. Grinding devices enabled.
  • only very little energy is required to remove the coarse materials.
  • the separation of the coarse materials does not necessarily have to take place via a sieve drum 2, but can also take place differently, for example the device can be designed as a gravity separator, centrifugal separator, cyclone separator or magnetic separator, depending on the type and properties of the coarse materials to be separated off. It is essential that the mechanical discharge device 6, 6a is arranged and operates in that region in which the coarse matter is deposited or enriched and that at least one spatially delimited discharge chamber 7, 8 is formed.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Centrifugal Separators (AREA)

Abstract

L'invention concerne un dispositif de séparation de matière solide grossière à partir d'un fluide visqueux, par exemple d'une suspension de fibres, comprenant des moyens permettant de séparer la matière grossière de la matière acceptable, ainsi que des moyens de décharge et d'élimination de la matière grossière du dispositif. Il est prévu, dans un espace de séparation (5), dans lequel pénètre le fluide brut, et dans lequel la matière grossière est séparée de la matière acceptable, au moins un dispositif de décharge mécanique mobile (6), qui déplace la matière grossière, déposée ou enrichie, dans au moins une zone de décharge (70, 80). L'invention est caractérisée en ce que ladite zone de décharge (70, 80) peut être séparée, par le dispositif de décharge (6), temporairement de l'espace de séparation (5), et en ce qu'il se forme au moins un espace de décharge (7, 8), délimité par l'espace de séparation (5), à partir duquel la matière grossière est déchargée du dispositif.
PCT/AT2010/000174 2009-06-18 2010-05-19 Dispositif de séparation de matière solide grossière WO2010144926A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10721917A EP2442884A1 (fr) 2009-06-18 2010-05-19 Dispositif de séparation de matière solide grossière

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA947/2009 2009-06-18
AT0094709A AT508024B1 (de) 2009-06-18 2009-06-18 Vorrichtung zum abtrennen grober feststoffe

Publications (1)

Publication Number Publication Date
WO2010144926A1 true WO2010144926A1 (fr) 2010-12-23

Family

ID=42299161

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2010/000174 WO2010144926A1 (fr) 2009-06-18 2010-05-19 Dispositif de séparation de matière solide grossière

Country Status (3)

Country Link
EP (1) EP2442884A1 (fr)
AT (1) AT508024B1 (fr)
WO (1) WO2010144926A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105289102A (zh) * 2015-11-20 2016-02-03 天津美士邦涂料化工有限公司 一种离心过滤器
CN113018930A (zh) * 2019-12-24 2021-06-25 合肥欣畅源光电科技有限公司 一种水循环防堵装置
CN115262082A (zh) * 2022-07-31 2022-11-01 呼斯楞 一种水刺无纺布一体化加工设备及其工作方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109126250B (zh) * 2018-10-30 2021-04-09 晋江知保企业管理咨询有限公司 建筑用砂料、石料及泥浆回收利用装置
CN109488277B (zh) * 2018-11-28 2020-11-03 青岛理工大学 分层笼式筛分一体旋流脱气装置
CN110975373A (zh) * 2019-12-12 2020-04-10 丹阳市恒雅光学眼镜设备有限公司 一种烛式澄清过滤器及利用其处理污水的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4307472A1 (de) * 1993-03-10 1994-11-17 Knecht Filterwerke Gmbh Filter für Flüssigkeiten, Pasten oder andere hochviskose Medien
GB2321024A (en) * 1997-01-09 1998-07-15 Aw Creative Technologies Ltd Apparatus and method for compacting and dewatering waste.
US20080282905A1 (en) * 2007-05-15 2008-11-20 Savage Steven J Continuously operating filtering apparatus
EP2075046A1 (fr) * 2007-12-31 2009-07-01 Mahle International GmbH Dispositif de séparation

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
DE3914326C2 (de) * 1988-05-07 1997-07-17 Sartorius Gmbh Filtergerät zur Filtration von Suspensionen, zur Klärfiltration und zur Ultra- und Mikrofiltration von Flüssigkeiten
DE4020405C2 (de) * 1990-06-27 1999-11-18 Mueller Umwelttechnik Verfahren zur Druckentwässerung von wässrigen Schlämmen
DE4032145C1 (fr) * 1990-10-10 1992-01-16 Mueller Umwelttechnik Gmbh & Co Kg, 4938 Schieder-Schwalenberg, De
DE4401705A1 (de) * 1994-01-21 1995-07-27 Mueller Umwelttechnik Vorrichtung zum Teilentwässern von Rohschlämmen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4307472A1 (de) * 1993-03-10 1994-11-17 Knecht Filterwerke Gmbh Filter für Flüssigkeiten, Pasten oder andere hochviskose Medien
GB2321024A (en) * 1997-01-09 1998-07-15 Aw Creative Technologies Ltd Apparatus and method for compacting and dewatering waste.
US20080282905A1 (en) * 2007-05-15 2008-11-20 Savage Steven J Continuously operating filtering apparatus
EP2075046A1 (fr) * 2007-12-31 2009-07-01 Mahle International GmbH Dispositif de séparation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2442884A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105289102A (zh) * 2015-11-20 2016-02-03 天津美士邦涂料化工有限公司 一种离心过滤器
CN113018930A (zh) * 2019-12-24 2021-06-25 合肥欣畅源光电科技有限公司 一种水循环防堵装置
CN115262082A (zh) * 2022-07-31 2022-11-01 呼斯楞 一种水刺无纺布一体化加工设备及其工作方法

Also Published As

Publication number Publication date
AT508024A4 (de) 2010-10-15
EP2442884A1 (fr) 2012-04-25
AT508024B1 (de) 2010-10-15

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