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EP3401088A1 - Dispositif et procédé de traitement des eaux usées, en particulier du purin - Google Patents

Dispositif et procédé de traitement des eaux usées, en particulier du purin Download PDF

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Publication number
EP3401088A1
EP3401088A1 EP18170366.1A EP18170366A EP3401088A1 EP 3401088 A1 EP3401088 A1 EP 3401088A1 EP 18170366 A EP18170366 A EP 18170366A EP 3401088 A1 EP3401088 A1 EP 3401088A1
Authority
EP
European Patent Office
Prior art keywords
drum
end wall
press screw
screw separator
solid
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
Application number
EP18170366.1A
Other languages
German (de)
English (en)
Other versions
EP3401088B1 (fr
Inventor
Dietrich Dr. EICHLER
Otto Roiss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roehren und Pumpenwerk Bauer GmbH
Original Assignee
Roehren 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 Roehren und Pumpenwerk Bauer GmbH filed Critical Roehren und Pumpenwerk Bauer GmbH
Priority to HRP20221299TT priority Critical patent/HRP20221299T1/hr
Priority to RS20220982A priority patent/RS63680B1/sr
Publication of EP3401088A1 publication Critical patent/EP3401088A1/fr
Application granted granted Critical
Publication of EP3401088B1 publication Critical patent/EP3401088B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B30B9/18—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 with means for adjusting the outlet for the solid

Definitions

  • the invention relates to an apparatus and a method for the treatment of pulp.
  • the slurry is especially liquid manure.
  • the liquid manure is dewatered to recover fibrous material and can be sanitized as bedding or used with a higher dry content for the production of molded fiber parts, such as MDF boards.
  • Other turbidity, such as sludge from biogas plants, can also be treated with the device and the method.
  • DE 20 2012 011 864 U1 shows by way of example the structure of a press screw separator for separating solid from a pulp.
  • EP 1 817 532 B1 shows a rotatable drum for heating the solid with a flap technique for introducing the solid into the rotating drum.
  • DE 20 2012 001 190 U1 shows the rotatable drum with fixed end wall and corresponding seal to the rotating drum wall.
  • fibers made of wood are pressed together with a binder into moldings, for example plates. These plates are referred to as MDF boards, for example.
  • the fibers of wood can be completely or partially replaced by other vegetable fibers, such as are obtained from fermentation residues of biogas production.
  • a slurry especially manure.
  • the object is achieved by a device for the treatment of pulp.
  • the pulp is in particular liquid manure.
  • manure stands for animal excreta, optionally with vegetable additives, such as litter.
  • other sludge such as sludge from biogas plants can be treated.
  • the device comprises a press screw separator for separating solids from the pulp.
  • the screw extruder usually comprises a housing. In the housing, a screw is rotatably mounted. On the housing, a drive, for example with an electric motor and optionally a gearbox, flanged. By means of the drive, the worm is set in rotation in the housing. Furthermore, there are also designs in which the screw is fixed and the screen is set in rotation. At the end of the screen, a plug of solid forms in the press screw separator. The separated liquid components pass through the screen radially outward and flow off.
  • the device comprises a rotatably driven drum.
  • the drum in particular comprises a drum wall and two opposite end walls.
  • the axis of rotation of the drum is substantially horizontal.
  • the drum rests on pivot bearings.
  • the drive of the drum is preferably carried out via the drum wall or rail rings on the drum wall.
  • entry end wall The entry of the solid into the drum via an end wall, referred to here as entry end wall.
  • discharge of the solid is preferably carried out via the opposite end wall, here referred to as discharge end wall.
  • any desired arrangement for example a discharge chute, can be used for the discharge of the solid.
  • the drum there is a heating of the solid and thereby a sanitization of the solid.
  • the heating in the drum takes place at least partially by an aerobic microbiological warming. No energy needs to be supplied from outside for this microbiological warming. Additionally or alternatively to the microbiological heating, it is also possible to heat the drum by means of an external energy source. In particular, this hot air is blown into the drum. Furthermore, it is possible to inject in the drum to support the aerobic microbiological warming of atmospheric oxygen.
  • the drum is operated in particular continuously. In continuous operation, the drum rotates while solids are introduced into the drum and discharged out of the drum while solid.
  • the water vapor-containing exhaust gas can be condensed on the still to be separated pulp and burned the non-condensable gas in a Beererhitzter.
  • the press screw separator is attached directly to the entry end wall of the drum.
  • the press screw separator is attached to the entry end wall in such a way that the solid can be conveyed into the drum by the force generated by the press screw separator.
  • the force generated by the press screw separator is generated in particular by the rotating screw or by the rotating screen.
  • the arrangement in the standard container allows a very easy transport of the device. Furthermore, the standard container can be easily thermally insulated.
  • the standard container is preferably an ISO container from commercial shipping with a length of 20 feet or 40 feet.
  • a ratio of the drum length to the container length is at least 0.6, in particular at least 0.65, particularly preferably at least 0.7.
  • the press screw separator is attached directly to the entry end wall so that the solid from the press screw separator can be conveyed directly into the drum.
  • the press screw separator is flanged to the entry end wall.
  • the press screw separator is thus firmly connected to the entry end wall.
  • the housing of the press screw separator is flanged to the entry end wall.
  • the press screw separator can be attached coaxially to the axis of rotation of the drum to the entry end wall. In a preferred embodiment, however, it is provided that the drum is filled with solid material above its axis of rotation. Accordingly, the press screw separator also starts over the axis of rotation.
  • the entry end wall has a hole eccentric to the axis of rotation. At this hole the press screw separator is attached, in particular flanged.
  • the entry end wall is a non-rotatable part of the drum. The entry end wall is thus fixed while the drum wall rotates.
  • Such a fixed end wall with corresponding seal is for example in DE 20 2012 001 190 U1 explained.
  • the screw of the press screw separator preferably comprises a core and at least one helix disposed on the core.
  • To the discharge side of the press screw separator preferably extends a portion of the soul, on which no more coils are arranged.
  • the Feststoffpfropfen forms in Pressschneckenseparator.
  • the screw, at least the discharge end of the soul without helices, projects into the interior of the drum.
  • the Feststoffpfropfen the press screw separator at least partially formed within the drum.
  • the screw extruder preferably comprises a discharge regulator for the solid.
  • This ejection regulator holds the solid plug in the screw extruder with a corresponding back pressure.
  • the ejection regulator is located at least partially inside the drum.
  • the ejection regulator comprises in particular at least one flap.
  • the at least one flap is arranged in the interior of the drum and is designed to build up the counter-pressure on the solid emerging from the press screw separator.
  • two flaps are provided.
  • the flaps each have a semicircular recess through which extends the soul of the screw.
  • the ejection controller preferably includes a control device located outside the drum.
  • a control device located outside the drum.
  • a force is adjustable and the control device is adapted to apply the at least one flap with a corresponding closing force.
  • the ejection regulator comprises a connection mechanism for connecting the control device to the at least one flap. Since the control device is outside the drum and the flaps are in the drum, the connection mechanism protrudes through the entry end wall.
  • the breakthrough in the entry end wall for the connection mechanism should be relatively small, for example, to avoid thermal losses. Therefore, it is preferably provided that the connecting mechanism is in the region of their breakthrough by the Entry end wall is only linearly moved or rotatable about its own axis. Preferably, the connection mechanism is thus not pivotable in the region of the opening, so that a simple hole in the entry end wall is sufficient for the connection mechanism.
  • the connecting mechanism comprises a projecting through the entry end wall tension element, preferably designed as a roller chain.
  • a roller chain for example, a rope, a round rod or belt can be used.
  • the arranged outside the drum control device preferably comprises a rotatably arranged rod.
  • This pole is loadable with weights.
  • the weights are arranged displaceably on the rod, so that a corresponding lever arm is adjustable.
  • the rod is connected to the tension element.
  • the tension element is preferably guided over a guide disk.
  • the guide disc preferably comprises an arcuate portion.
  • the axis of rotation of the rod is coaxial with the arcuate portion of the guide disc.
  • the flap can be moved hydraulically or pneumatically or with an electric drive or acted upon with force.
  • the hydraulics, the pneumatics or the electric drive are located outside the drum and are connected in accordance with the connection mechanism with the flap inside the drum.
  • the press screw separator is preferably mounted on a rail arrangement outside the drum so that the press screw separator together with the ejection controller can be moved away from the drum parallel to the axis of rotation of the drum and thus can be moved out of the drum. This allows easy maintenance of the press screw separator.
  • the press screw separator comprises an intermediate flange between the portion which projects into the drum and the part of the press screw separator located outside the drum.
  • the intermediate flange can be fastened to the entry end wall.
  • the housing of the press screw separator is preferably fixed to the intermediate flange. Through a hole in the intermediate flange protrudes the mouthpiece with the at least one flap and in particular the soul of the screw.
  • control device in particular the guide disk described above, attached to the outside of this intermediate flange.
  • air can be introduced into the interior of the drum. It is possible to heat the air to promote drying of the solid in the drum. With or without heating, the air in the drum can be used to promote microbiological warming.
  • two variants are preferably provided: according to a first variant, the air is guided via one of the two end walls onto the surface of the solid rolling in the interior of the drum.
  • the hole in the end wall for introducing the air is relatively high in this variant and lies above the solid surface in the drum.
  • a lance protrudes from one of the two end walls into the interior of the drum.
  • This lance is attached to the bulkhead and extends into the solid. Accordingly, the lance is relatively low and lies below the solid surface in the drum.
  • the position of the solid surfaces in the drum depends on the degree of filling of the drum and the direction of rotation of the drum. Particularly preferably, it is provided that the lance is arranged lower than the central axis of rotation of the drum.
  • the lance has frontally and / or on its lateral surface openings through which the air exits directly into the solid.
  • the introduction of the air takes place via a fixed, non-rotatable end wall, in particular via the discharge end wall.
  • the lance may preferably extend through the entire drum and be secured to both opposite end walls.
  • the invention further includes a method of treating the pulp.
  • a method of treating the pulp in particular the device described is used.
  • the device described is used.
  • the solids are separated from the pulp with the press screw separator and the solids are introduced into the drum.
  • the solid deposited with the press screw separator is conveyed directly into the drum by the force generated by the press screw separator.
  • the drum is rotated and the solid is discharged from the drum.
  • the solid removed from the drum is used as litter. Furthermore, it is possible to dry in the drum, the solid to a relatively high solids content and the resulting solid as a wood substitute for Production of fiber molded parts to use.
  • the method preferably comprises a step of producing the fiber moldings. In this case, the solid, in particular in recycled form, is pressed together with a binder to the fiber molding. The separated from the pulp and dried in the drum solid can be mixed with other fibers.
  • FIGS. 1 to 6 show a device 1 according to the invention for carrying out the method according to the invention.
  • FIG. 1 shows an overview of the entire device.
  • FIG. 2 shows an axial views of the drum 3 of the device first Figures 3 . 5 and 6 show a discharge regulator 33 of a press screw separator 2 of the device 1.
  • FIG. 3 shows FIG. 4 the ejection controller 33 from a view of the interior of the drum 3. The following is on the FIGS. 1 to 6 Referenced.
  • the device 1 comprises the rotatably arranged drum 3 and the press screw separator 2, directly attached to the drum 3.
  • the drum 3 and the press screw separator 2 are located in a container 9.
  • the device 1 comprises, for example, a Güllesammel variouser 4.
  • a stirrer 19 may be arranged.
  • About a return 22 excess manure can be fed back to the Güllesammel dueer 4.
  • a vent 23 can be arranged.
  • the screw extruder 2 comprises a housing 17.
  • a screw 30 which in FIG. 3 is shown purely schematically.
  • the worm 30 comprises a core 31.
  • On the core 31 there is at least one helix 32.
  • On the housing 17, a drive unit 18 is flanged.
  • the drive unit 18 includes, for example, an electric motor and a transmission. By means of the drive unit 18, the screw 30 is rotated within the housing 17 in rotation.
  • the housing 17 is an unillustrated sieve. Liquid components of the liquid manure pass through the sieve radially outwards and run off via an outlet 16 of the press screw separator 2. The separated in the press screw separator 2 solid is conveyed directly into the drum 3.
  • the drum 3 has an entry end wall 5, a discharge end wall 6 and a drum wall 7.
  • the two end walls 5, 6 are connected to each other via the drum wall 7.
  • An axis of rotation 14 of the drum 3 extends through the two end walls 5, 6 and is substantially horizontal.
  • the discharge of the solid from the drum 3 takes place via a discharge device 10 on the discharge end wall 6.
  • the discharge device 10 is designed as a discharge chute.
  • FIG. 1 shows a relatively high-level introduction of the air at the discharge end wall 6, over the surface of the rolling in the drum solid.
  • FIG. 1 shows a lance 47, which extends from the discharge end wall 6 in the interior of the drum 3.
  • the lance 47 is arranged so that it lies below the surface of the solid and thus the air is injected directly into the solid. This position of the lance 47 illustrates the dashed line in FIG FIG. 2 ,
  • the exhaust gas from the drum 3 is discharged in particular via the entry end wall 5.
  • a suction fan 13 can assist here the removal of the exhaust gas and, if appropriate, forward this to a cleaning treatment.
  • the drum 3 has a fixed entry end wall 5 and a fixed discharge end wall 6. Between the end walls 5, 6 and the drum wall 7 is a corresponding seal 25th
  • FIG. 2 shows in the entry end wall 5 a hole 28 through which the press screw separator 2 projects into the interior of the drum 3.
  • the hole 28 is arranged eccentrically to the axis of rotation 14. Further shows FIG. 2 a hole 29 for discharging the exhaust gas from the drum 3rd
  • FIGS 3 and 4 show in detail how the press screw separator 2 projects with its mouthpiece through the entry end wall 5 into the drum 3.
  • the press screw separator 2 comprises the ejection regulator 33.
  • An essential part of the ejection regulator 33 namely the two flaps 34, are located inside the drum 3.
  • the flaps 34 are connected via a connection mechanism 39 to a control device 36 of the ejection regulator 33.
  • the connecting mechanism 39 protrudes through the entry end wall 5 to the outside.
  • the control device 36 is located outside of the drum 3.
  • the flaps 34 are fastened with a flap rotation axis 35 on the mouthpiece of the press screw separator 2.
  • the core 31 of the screw 30 protrudes into the interior of the drum 3.
  • the flaps 34 each have semicircular recesses through which the soul 31 protrudes.
  • the connecting mechanism 39 comprises a pull rod 42, rotatably connected to the flaps 34.
  • the pull rod 42 is located inside the drum 3. Via transverse elements 44, the pull rod 42 is connected to the flaps 34.
  • the connecting mechanism 39 comprises a tension element 41, designed here as a roller chain. The tension element 41 protrudes through the entry end wall 5 to the outside.
  • the control device 36 comprises a guide plate 40 with an arcuate portion.
  • the tension element 41 is guided over this guide plate 40.
  • a rod 37 of the control device 36 is rotatably arranged.
  • the tension member 41 is connected to the rod 37.
  • weights 38 can be arranged displaceably.
  • the weights 38 load the rod 37 still down, whereby the tension member 41 is loaded to train.
  • the tension element 41 in turn pressurized via the Switzerlandgest interviewede 42, the flaps 34 with a closing force. As a result, a counter force is applied to the solids plug forming in the mouthpiece of the press screw separator 2.
  • FIG. 3 shows the flaps 34 in a closed position.
  • FIG. 5 shows the flaps 34 in a half-open position.
  • FIG. 6 shows the flaps 34 in a fully open position.
  • the housing 17 of the press screw separator 2 is fixed to an intermediate flange 43.
  • the mouthpiece of the press screw separator 2 protrudes through the intermediate flange 43 into the drum 3. Further, the guide plate 40 and thus also the rod 37th attached to the intermediate flange 43.
  • the intermediate flange 43 is attached to the entry end wall 5, in particular screwed. By loosening the intermediate flange 43 from the entry end wall 5, the entire press screw separator 2 can be easily disassembled.
  • FIG. 1 shows a length 45 of the container 9 and a length 46 of the drum 3. Due to the direct arrangement of the press screw separator 2 according to the invention on the drum 3, the length 46 of the drum 3 can be relatively large compared to the length 45 of the container 9. As a result, the drum 3 can be dimensioned for a relatively large amount of solids, and the press screw separator 3 and the drum 3 can nevertheless be arranged inside the container 9.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Sludge (AREA)
  • Paper (AREA)
EP18170366.1A 2017-05-02 2018-05-02 Dispositif et procédé de traitement des eaux usées, en particulier du purin Active EP3401088B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
HRP20221299TT HRP20221299T1 (hr) 2017-05-02 2018-05-02 Uređaj i postupak za obradu muljevitog otpada, konkretno tekućeg stajnjaka
RS20220982A RS63680B1 (sr) 2017-05-02 2018-05-02 Uređaj i postupak za obradu muljevitog otpada, konkretno tečnog stajnjaka

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017207310.1A DE102017207310A1 (de) 2017-05-02 2017-05-02 Vorrichtung und Verfahren zur Behandlung von Trübe, insbesondere Gülle

Publications (2)

Publication Number Publication Date
EP3401088A1 true EP3401088A1 (fr) 2018-11-14
EP3401088B1 EP3401088B1 (fr) 2022-08-03

Family

ID=62104199

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18170366.1A Active EP3401088B1 (fr) 2017-05-02 2018-05-02 Dispositif et procédé de traitement des eaux usées, en particulier du purin

Country Status (8)

Country Link
EP (1) EP3401088B1 (fr)
DE (1) DE102017207310A1 (fr)
ES (1) ES2928693T3 (fr)
HR (1) HRP20221299T1 (fr)
HU (1) HUE060126T2 (fr)
PL (1) PL3401088T3 (fr)
PT (1) PT3401088T (fr)
RS (1) RS63680B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116966640A (zh) * 2023-09-20 2023-10-31 中云汇(成都)物联科技有限公司 一种粪污处理用固液分离装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2417310A1 (de) * 1973-04-05 1974-10-31 Wallen & Co Ab Lennart Entwaesserungs- und homogenisierapparat
DE2449483A1 (de) * 1973-11-27 1975-05-28 Thune Eureka As Gegendruckeinrichtung fuer eine schraubenpresse
DE69101653T2 (de) * 1990-02-23 1994-07-28 Inst Francais Du Petrol Vorrichtung zur Vorbehandlung von Kunststoffabfällen vor ihrer Wiederaufbereitung.
RU2049378C1 (ru) * 1993-07-30 1995-12-10 Фомин Юрий Иванович Технологическая линия для обработки птичьего помета
DE60217183T2 (de) * 2001-12-17 2007-10-04 Holm Christensen Biosystemer Aps Vorrichtung zum trocknen eines teilchenförmigen produkts mit überhitztem dampf
EP1817532B1 (fr) 2004-11-16 2012-01-11 Röhren- und Pumpenwerk Bauer Gesellschaft mbH Tambour rotatif pour realiser le chauffage aerobie de substances solides aptes a l'ecoulement
DE202012001190U1 (de) 2012-02-06 2012-05-09 Röhren- und Pumpenwerk Bauer GmbH Anordnung zur aeroben Erwärmung von rieselfähigem Feststoff
DE202012011864U1 (de) 2012-12-11 2013-01-14 Röhren- und Pumpenwerk Bauer GmbH Pressschneckenseparator
DE102013219275A1 (de) * 2013-09-25 2015-04-16 Röhren- Und Pumpenwerk Bauer Ges.M.B.H. Verfahren und Vorrichtung zur aeroben mikrobiologischen Erwärmung schüttfähiger feuchter organischer Feststoffe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE570165C (de) * 1931-04-22 1933-02-11 Kuno Schlaefke Vorrichtung zum Trocknen von Faekalien und aehnlichen Abfallstoffen
DE102013018040A1 (de) * 2013-12-02 2015-06-03 Enwat Gmbh Verfahren zur energetischen Verwertung von Trebern aus der Bierherstellung
DE102014212196A1 (de) * 2014-06-25 2016-01-14 Röhren- Und Pumpenwerk Bauer Ges.M.B.H. Verfahren und Vorrichtung zur aeroben mikrobiologischen Erwärmung schüttfähiger feuchter organischer Feststoffe

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2417310A1 (de) * 1973-04-05 1974-10-31 Wallen & Co Ab Lennart Entwaesserungs- und homogenisierapparat
DE2449483A1 (de) * 1973-11-27 1975-05-28 Thune Eureka As Gegendruckeinrichtung fuer eine schraubenpresse
DE69101653T2 (de) * 1990-02-23 1994-07-28 Inst Francais Du Petrol Vorrichtung zur Vorbehandlung von Kunststoffabfällen vor ihrer Wiederaufbereitung.
RU2049378C1 (ru) * 1993-07-30 1995-12-10 Фомин Юрий Иванович Технологическая линия для обработки птичьего помета
DE60217183T2 (de) * 2001-12-17 2007-10-04 Holm Christensen Biosystemer Aps Vorrichtung zum trocknen eines teilchenförmigen produkts mit überhitztem dampf
EP1817532B1 (fr) 2004-11-16 2012-01-11 Röhren- und Pumpenwerk Bauer Gesellschaft mbH Tambour rotatif pour realiser le chauffage aerobie de substances solides aptes a l'ecoulement
DE202012001190U1 (de) 2012-02-06 2012-05-09 Röhren- und Pumpenwerk Bauer GmbH Anordnung zur aeroben Erwärmung von rieselfähigem Feststoff
DE202012011864U1 (de) 2012-12-11 2013-01-14 Röhren- und Pumpenwerk Bauer GmbH Pressschneckenseparator
DE102013219275A1 (de) * 2013-09-25 2015-04-16 Röhren- Und Pumpenwerk Bauer Ges.M.B.H. Verfahren und Vorrichtung zur aeroben mikrobiologischen Erwärmung schüttfähiger feuchter organischer Feststoffe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116966640A (zh) * 2023-09-20 2023-10-31 中云汇(成都)物联科技有限公司 一种粪污处理用固液分离装置
CN116966640B (zh) * 2023-09-20 2023-12-19 中云汇(成都)物联科技有限公司 一种粪污处理用固液分离装置

Also Published As

Publication number Publication date
DE102017207310A1 (de) 2018-11-08
HRP20221299T1 (hr) 2022-12-23
ES2928693T3 (es) 2022-11-22
EP3401088B1 (fr) 2022-08-03
RS63680B1 (sr) 2022-11-30
PL3401088T3 (pl) 2023-01-16
PT3401088T (pt) 2022-10-21
HUE060126T2 (hu) 2023-01-28

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