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WO2013037435A1 - Séparateur à vis de pression avec vis mélangeuse - Google Patents

Séparateur à vis de pression avec vis mélangeuse Download PDF

Info

Publication number
WO2013037435A1
WO2013037435A1 PCT/EP2012/002698 EP2012002698W WO2013037435A1 WO 2013037435 A1 WO2013037435 A1 WO 2013037435A1 EP 2012002698 W EP2012002698 W EP 2012002698W WO 2013037435 A1 WO2013037435 A1 WO 2013037435A1
Authority
WO
WIPO (PCT)
Prior art keywords
solid
mixer
screw
disinfectant
press
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.)
Ceased
Application number
PCT/EP2012/002698
Other languages
German (de)
English (en)
Inventor
Dietrich Eichler
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
Publication of WO2013037435A1 publication Critical patent/WO2013037435A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/071—Fixing of the stirrer to the shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0723—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis oblique with respect to the rotating axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0726—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis having stirring elements connected to the stirrer shaft each by a single radial rod, other than open frameworks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1125—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/21—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts
    • B01F27/2123—Shafts with both stirring means and feeding or discharging means

Definitions

  • the present invention relates to a screw extruder with mixing screw for the separation of solid components from a slurry containing solid and liquid components.
  • the slurry includes in particular manure.
  • the object is achieved by a press screw separator for separating solid components from a slurry containing solid and liquid components, comprising a press screw for squeezing the slurry, a feed device for introducing disinfectant into the squeezed solid and a mixer for mixing the squeezed solid with the disinfectant ,
  • the disinfectant means all substances which lead directly or indirectly to the reduction of the number of germs, in particular of the pathogens, in the expressed solid.
  • the disinfectant can be used liquid or in powder form.
  • acidic disinfectants are used.
  • Lactic acid bacteria are also included, for example, by the term "disinfectant" according to the invention, since these bacteria produce an acidic environment and thus indirectly contribute to the reduction of microorganisms in the expressed solid.
  • a feeder for disinfectant and a mixer is integrated into the press screw separator or to the press screw separator.
  • the pulp in particular the liquid manure
  • the press screw separator according to the invention also allows the use of the solid directly and untreated after the separation.
  • the mixer for flanging is formed on the press screw. This allows the mixer to be easily mounted and dismounted.
  • the mixer is mechanically drive-connected to the press screw.
  • a mixer shaft of the mixer is flanged coaxially to the press screw.
  • a common drive for example an electric motor with gearbox, can be used for the press screw and for the mixer shaft.
  • the supply device comprises at least one nozzle for introducing the disinfectant. Via the nozzles, the disinfectant can be distributed particularly well.
  • the feed device comprises a metering device for regulating the introduced amount of disinfectant.
  • This metering device comprises in particular a metering pump for pumping the disinfectant.
  • the press screw separator preferably comprises a measuring device for measuring the exit velocity and / or the discharge quantity of the solid from the press screw. In particular, it is measured at the interface between press screw and mixer. Particularly preferably, the measuring device comprises a heat source with a subsequent temperature sensor. In addition, it is preferably provided that the metering device is designed to regulate the amount of disinfectant depending on the exit velocity and / or discharge amount of the solid from the press screw. As a result, the disinfectant can be dosed very needs-based.
  • the mixer comprises a trough, wherein a front end of the trough is designed to discharge the mixed with disinfectant solid.
  • the press screw is arranged horizontally.
  • the trough is horizontal.
  • a forehead of the Trough connects directly to the press screw.
  • the other end of the trough is used to discharge the disinfected solid.
  • a weir is arranged at this front end. This, in particular adjustable weir, the residence time of the solid is regulated in the mixer.
  • the mixer transports the solid over the weir. Preferably, the solid falls out of the trough on the other side of the weir.
  • the supply device including the metering device and the nozzles for introducing acid or acidic solutions is formed.
  • FIG. 1 shows a press screw separator according to the invention according to an exemplary embodiment, a first detail view of the press screw separator according to the invention according to the exemplary embodiment, FIG. 3 shows a second detailed view of the press screw separator according to the invention, and FIG
  • Fig. 4 is a third detail view of the press screw separator according to the invention according to the embodiment.
  • FIGS. Fig. 1 shows the press screw separator 1 in an overall view.
  • FIGS. 2 to 4 show individual detailed views of the press screw separator 1.
  • the press screw separator 1 comprises a press assembly 2, a mixer 3 and a feeder 6 for introducing disinfectant.
  • an electric motor 4 and a gear 5 is flanged to the press assembly 2.
  • 2 shows a sectional view of the press assembly 2.
  • the press assembly 2 comprises a housing in which a press screw 30 is rotatably mounted.
  • This press screw 30 consists of a worm shaft 8 and a worm spiral 9 wound around the worm shaft 8.
  • the press worm 30 is set in rotation via the electric motor 4 and the gear 5.
  • Around a part of the press screw 30 around a cylindrical bar screen 10 is arranged.
  • slurry containing solid and liquid components in particular manure
  • This pulp is conveyed from left to right by means of the rotating press screw 30 and compressed at the same time.
  • a solids plug forms around the worm shaft 8 from the pulp.
  • the liquid components are pressed over the wire 10 radially outward and flow through the liquid drain 1 1 from the press screw separator 1 from.
  • the feeder 6 comprises a tank 12 for disinfectant.
  • a metering device 13 with a pump.
  • a pipe 15 leads to nozzles 14.
  • These nozzles 14 are arranged on the mixer 3.
  • the disinfectant is applied to the solid. 3 and 4.
  • Fig. 3 shows a flap 16 at the end of the press assembly 2.
  • flap arms 17 are attached.
  • weights 18 are arranged on these flap arms 17.
  • the press screw 30 pushes the solid plug against this weighted flap 16.
  • the weights 18 can be moved along the flap arms 17.
  • the pressure of the flap 16 can be adjusted to the solid plug.
  • the required back pressure for squeezing the slurry and forming the solid plug is set.
  • the mixer 3 comprises an open-topped trough 21 and a mixer shaft 20 arranged in the trough 21.
  • the mixer shaft 20 is coaxial via a plug-in coupling 19 the worm shaft 8 flanged.
  • the plug-in coupling 19 is used for easy attachment and detachment of the mixer 3 to the press assembly 2.
  • the worm shaft 8 protrudes through the flap 16 therethrough. As a result, the flap 16 is recessed arched.
  • a plurality of paddles 22, 23 are arranged for mixing the solid.
  • a plurality of the paddle 22 is directed in the discharge direction.
  • Another part of the paddle 23 points in the opposite direction and thus supports the mixing process.
  • a strip 24 is welded onto the mixer shaft 20.
  • the paddles 22, 23 are fastened to clamps 27. These clamps 27 surround the mixer shaft 20 and are prevented by the bar 24 from rotating about the mixer shaft 20.
  • the front side of the trough 21 is closed by a front plate 25. Inside the front plate 25 is an opening or outlet 28 in the bottom of the trough 21st About this breakthrough or the outlet 28 of the mixed with disinfectant solid from the mixer 3 is discharged. Even before this breakthrough 28 is a weir 29. About this weir 29, the solid must be transported away. As a result, the residence time of the solid in the mixer 3 is regulated. Particularly preferably, the weir 29 is adjustable or different weir plates can be used.
  • the flap 16 With the help of the flap 16, the flap arms 17 and the weights 18 so the pressure on the solids plug can be adjusted so that a sufficient dry matter of the solid is achieved.
  • a measuring device 26 between the pressing assembly 2 and the mixer 3 the exit velocity and thus the exiting amount of the plug is determined via a heat source with subsequent temperature sensor, and thus controls the metering device 13 for the supply of the disinfectant onsffens.
  • the housing of the mixer is designed as a trough 21 and corresponds in its lower round area about the diameter of the plug.
  • Paddel 22 are through the welded bar 24 firmly screwed to the mixer shaft 20.
  • the paddles 22, 23 mix the solid and convey it slowly to the outlet 28.
  • the backward paddles 23 are designed in the opposite direction of conveyance and thus support the mixing. Too fast emptying of the mixer 3 is prevented by the weir 29 arranged at the opening 28.
  • the height of the weir 29 can be changed by screw-on weir plates.
  • the application of the disinfectant via the nozzles 14 takes place in particular at the beginning of the mixer shaft 20, particularly preferably in the first half of the mixer third

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

Séparateur à vis de pression (1) destiné à la séparation de matières solides contenues dans une boue contenant des matières solides et liquides, qui comprend une vis de pression (30) destinée à presser la boue, un dispositif d'amenée (6) destiné à introduire un désinfectant dans la matière solide pressée ainsi qu'un mélangeur (3) destiné à mélanger la matière solide pressée avec le désinfectant.
PCT/EP2012/002698 2011-09-15 2012-06-26 Séparateur à vis de pression avec vis mélangeuse Ceased WO2013037435A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202011105776.7 2011-09-15
DE202011105776U DE202011105776U1 (de) 2011-09-15 2011-09-15 Pressschneckenseparator mit Mischschnecke

Publications (1)

Publication Number Publication Date
WO2013037435A1 true WO2013037435A1 (fr) 2013-03-21

Family

ID=45495444

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/002698 Ceased WO2013037435A1 (fr) 2011-09-15 2012-06-26 Séparateur à vis de pression avec vis mélangeuse

Country Status (2)

Country Link
DE (1) DE202011105776U1 (fr)
WO (1) WO2013037435A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111134870A (zh) * 2020-01-15 2020-05-12 周海燕 一种消毒供应室用护理防护装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012018650A1 (de) * 2012-09-20 2014-04-10 Röhren- und Pumpenwerk Bauer Gesellschaft m.b.H. Verfahren zum Trennen von Einstreu aus Gülle
IT202100030446A1 (it) * 2021-12-01 2023-06-01 Biogas Eng S R L Miscelatore per fermentatori per biogas, e metodo per il suo assemblaggio

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5104047A (en) * 1990-08-21 1992-04-14 Simmons Leonard E Wet process recovery system for solid waste
EP0367037B1 (fr) 1988-11-03 1993-12-22 Fan Engineering Gmbh Procédé de déshydratation d'une suspension aqueuse et pressoir à vis rotative
WO2007057295A1 (fr) * 2005-11-15 2007-05-24 C.M.S. S.P.A. Machine de compression et d'elimination de dechets
KR100963195B1 (ko) * 2009-09-22 2010-06-14 (주)오에치케이 분리형 구조를 갖는 유동판식 슬러지 처리 장치
GB2477805A (en) * 2010-02-16 2011-08-17 Hydro Int Plc A separator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0367037B1 (fr) 1988-11-03 1993-12-22 Fan Engineering Gmbh Procédé de déshydratation d'une suspension aqueuse et pressoir à vis rotative
US5104047A (en) * 1990-08-21 1992-04-14 Simmons Leonard E Wet process recovery system for solid waste
WO2007057295A1 (fr) * 2005-11-15 2007-05-24 C.M.S. S.P.A. Machine de compression et d'elimination de dechets
KR100963195B1 (ko) * 2009-09-22 2010-06-14 (주)오에치케이 분리형 구조를 갖는 유동판식 슬러지 처리 장치
GB2477805A (en) * 2010-02-16 2011-08-17 Hydro Int Plc A separator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111134870A (zh) * 2020-01-15 2020-05-12 周海燕 一种消毒供应室用护理防护装置
CN111134870B (zh) * 2020-01-15 2020-10-27 周海燕 一种消毒供应室用护理防护装置

Also Published As

Publication number Publication date
DE202011105776U1 (de) 2011-12-16

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