EP1917440B1 - Vorrichtung zum fördern von dickstoffmaterial - Google Patents

Vorrichtung zum fördern von dickstoffmaterial Download PDF

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Publication number
EP1917440B1
EP1917440B1 EP06776698A EP06776698A EP1917440B1 EP 1917440 B1 EP1917440 B1 EP 1917440B1 EP 06776698 A EP06776698 A EP 06776698A EP 06776698 A EP06776698 A EP 06776698A EP 1917440 B1 EP1917440 B1 EP 1917440B1
Authority
EP
European Patent Office
Prior art keywords
recited
delivery
cylinder
slide
closure member
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.)
Active
Application number
EP06776698A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1917440A1 (de
Inventor
Klaus Neubrand
Klemens Finsterwalder
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.)
Putzmeister Concrete Pumps GmbH
Original Assignee
Putzmeister Concrete Pumps 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 Putzmeister Concrete Pumps GmbH filed Critical Putzmeister Concrete Pumps GmbH
Priority to PL06776698T priority Critical patent/PL1917440T3/pl
Publication of EP1917440A1 publication Critical patent/EP1917440A1/de
Application granted granted Critical
Publication of EP1917440B1 publication Critical patent/EP1917440B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • F04B15/023—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous supply of fluid to the pump by gravity through a hopper, e.g. without intake valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections

Definitions

  • the invention relates to a device for conveying thick material with a delivery cylinder, with an inlet side connected to the conveyor cylinder material feed space, with a discharge side connected to the delivery conveyor line, with a back through the material feed space and the delivery cylinder and herverschiebbaren delivery piston and with a on the Outlet side of the delivery cylinder or arranged in the delivery, adjustable between an open position and a blocking position blocking member.
  • a device of this type is known ( EP-B-681 672 ), which is intended for conveying thick materials with crushed metal scrap.
  • the thick materials are fed there via the material feed space of the conveyor and moved by means of the delivery piston in the delivery cylinder and pressed from this through the delivery line.
  • the blocking element ensures that the thick material is first compressed in the delivery cylinder at each stroke before it is pressed into the delivery line when the blocking element is open. With this device, the thick material is transported together with the foreign substances contained therein of scrap metal and the like solids through the conveyor tube.
  • biogenic waste which as a rule contains not only organic constituents, but also considerable foreign substances.
  • the foreign substances must be removed from the material flow.
  • the path of comminution is chosen.
  • hammer mills are used for the treatment of food waste. which are capable of crushing foreign matter, such as knife handles to a particle size of less than 10 mm.
  • Such conditioned thick materials can indeed be transported by means of a slurry pump of the type specified.
  • this has the disadvantage that the foreign substances are still contained in the material flow.
  • substrate is moved from food waste, which is fed to a fermenter, and still contains shredded plastic packaging, cans, tubes, knives, forks as foreign substances.
  • the organic substance is degraded there.
  • the comminuted foreign matter present in the sludge must still be removed if the sludge is to be used as an organic nitrogen fertilizer. Without a separation, only disposal via incineration remains.
  • the object of the invention is to improve the known apparatus for conveying thick materials in such a way that the foreign substances are separated from the material stream before the actual processing stage for the useful substances.
  • the inventive solution is based on the idea to develop a device that combines the properties of a sludge pump, a sieve and a press in itself.
  • the delivery cylinder is perforated at least over part of its cylinder jacket.
  • the device forms a press for the thick substances conveyed via the piston from the material feed space into the delivery cylinder when the blocking element is blocked.
  • the perforated cylinder jacket forms a sieve, through which the liquid materials are conveyed under the action of the pressure built up by the press to the outside in a collecting shaft.
  • the foreign substances are pressed in subsequently opened blocking member in the manner of a pump in the delivery line.
  • an advantageous embodiment of the invention provides that the perforations of the cylinder jacket are formed by a breadboard.
  • the perforations are arranged in a swept by the delivery piston when moving back and forth region of the cylinder jacket. It has proven to be advantageous if the opening cross-section of the perforations forming holes on the shell inside is smaller than on the outer shell side.
  • the cylinder jacket of the delivery cylinder expediently consists of an internally hardened material.
  • a preferred embodiment of the invention provides that in the region of the cylinder jacket, a slider is arranged, which is displaceable relative to the cylinder jacket between a closed position closing the perforations and an open position exposing the perforations.
  • the cylinder jacket is enclosed by a slide tube.
  • the slide can be moved axially relative to the cylinder jacket.
  • An advantageous embodiment of the invention provides that the cylinder jacket is perforated at most over half its length, while the slide has a closed lateral surface and is moved from the open to the closed position by half the cylinder jacket length.
  • the slide it is also possible for the slide to have a grid of holes and closed spaces which is complementary to the hole pattern of the cylinder jacket. In this case it is possible that the slide between the open position and the closed position in the axial direction or in the circumferential direction by half the pitch of the hole pattern relative to the cylinder jacket is displaced or rotated. This results in only a relatively small rotational or lifting movement of the slider in comparison to the embodiment with half the cylinder length.
  • a closing device which has a separate closing element, for example in the form of a stopper or a closing cone, for each perforation hole.
  • a control unit for the coupled control of drive mechanisms for the piston, the Sperrorgan- and / or the slider movement is provided.
  • the control member expediently forms a sequential control for controlling the drive units of the piston, the blocking member and the slider.
  • control unit responds to the travel signals generated by the piston triggering a closing movement of the blocking member, and / or if the control unit to output signals of a front of the blocking member in the delivery cylinder or in the delivery line arranged pressure sensor triggering an opening movement of the Locking organ responds.
  • the slider may have a controllable via the control unit drive mechanism.
  • the control unit for example, responsive to path signals of the delivery piston triggering an opening movement of the slide upon penetration of the delivery piston in the delivery cylinder, while it responds to a pressure signal of the pressure sensor triggering a closing movement of the slider when exceeding a predetermined pressure threshold.
  • a cleaning device acting on the perforation holes with compressed air or pressurized water is expediently provided. Apart from that, the clogging of the perforation holes with filter cake is reliably avoided by the fact that the cylindrical surface is automatically cleaned by the passing conveyor piston during each lifting operation.
  • the delivery line opens into a recirculated to the material feed room, preferably designed as a bioreactor return path.
  • the return path can be arranged a heating medium heating the heating.
  • a preferably meander-shaped extension section can be arranged in the return path.
  • a pipeline leading to a processing station can be connected to the outside of the perforated cylinder jacket.
  • the compressed through the perforations useful materials can be promoted via this pipeline to the processing station. This gives the pump the function of a two-phase pump.
  • the device according to the invention is particularly suitable for carrying out a method for conveying mixtures of substances with different mixing constituents, of which at least one of the mixture constituents has a predominantly viscous consistency and at least one other mixture constituent has a predominantly particle-like solid consistency.
  • the substance mixture is thereby pressed under construction of a pressure in a pressure chamber, wherein the mixture components with predominantly viscous consistency and the mixture components with predominantly particulate solid consistency are separated by the pressure built up in the pressure chamber to form different streams.
  • the separation into different streams is preferably carried out in that the mixture constituents are forced with predominantly viscous consistency under the action of pressure through relief openings in a boundary wall from the pressure chamber in a first conveying path, and that the mixture components with predominantly particulate solid consistency after opening a Barrier are urged from the pressure chamber in a second conveyor line.
  • the opening of the blocking member is expediently triggered when a predetermined pressure limit is exceeded in the pressure chamber.
  • the predominantly viscous mixture components are pressed through perforations in the wall of the cylinder with a closed movement of the piston, while the predominantly particulate solid mixture components are displaced after opening the closing member in a subsequent to the cylinder conveyor line.
  • the apparatus shown in the drawing is intended for processing and conveying of thick materials containing a liquid or pasty useful portion and solid foreign components.
  • the device includes, in the manner of a single-piston pump, a plunger-type delivery piston 12 coupled to a hydraulic piston 11 of a hydraulic cylinder 10, a material delivery space 16 which can be charged with thick material via a feed shaft 14, a delivery cylinder 20 connected on the input side to the material delivery space 16 and output side to a delivery line 18, and a delivery cylinder 20 the output side of the delivery cylinder 20 arranged slide-like locking member 22 which is displaceable transversely to the delivery cylinder between a closed and an open position.
  • the cylinder jacket 24 of the delivery cylinder 20 has formed as a perforated hole perforations 26, which open on the outside of the cylinder jacket 24 in a receiving shaft 28.
  • the material supply to the feed chute 14 takes place in the embodiment shown via a hopper 30 and a screw conveyor 32nd
  • the movements of the delivery piston 12 and the blocking member 22 are controlled via a control unit 40 coupled in the manner of a sequential control via suitable drive units.
  • the process described can be repeated several times.
  • the interposition of a bioreactor in the form of a hydrolysis step may be useful.
  • a fed back to the feed chute 14 return path 34 is used, depending on the desired length of stay may also include a meandering guided extension 36.
  • the perforated cylinder jacket 24 is enclosed by a tubular slider 38 which is displaceable relative to the cylinder jacket 24, between a closing position closing the perforations 26 and an open position which releases them.
  • the cylinder jacket is perforated about half its length, while the slider has a closed lateral surface and is moved from the open to the closed position by half a cylinder barrel length.
  • the slider 38 has a pattern of holes of the cylinder barrel complementary pattern of holes and closed spaces.
  • the slide between the open position and the closed position in the axial direction or in the circumferential direction by half a pitch of the breadboard relative to the cylinder jacket is displaced or rotated. This results in only a relatively small lifting or rotational movement of the slider 38 in comparison to the embodiment according to Fig. 2a .
  • the slider is also controlled via the control unit 40.
  • the control unit 40 forms a sequence control for controlling the drive units of the delivery piston 12, the locking member 82 and the slider 38th
  • the invention relates to a device for conveying thick material.
  • the device comprises a delivery cylinder 20, a material supply chamber 16 connected on the inlet side to the delivery cylinder 20, a delivery line 18 connected to the discharge cylinder 20, a delivery piston 12 which can be moved back and forth through the material delivery space 16 and the delivery cylinder 20 and one at the exit point of the delivery cylinder 20 or in the
  • the delivery cylinder 20 at least over a part of his Cylinder jacket 24 is perforated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Sludge (AREA)
  • Reciprocating Pumps (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Processing Of Solid Wastes (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Seal Device For Vehicle (AREA)
  • Electrotherapy Devices (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Surgical Instruments (AREA)
EP06776698A 2005-08-23 2006-08-09 Vorrichtung zum fördern von dickstoffmaterial Active EP1917440B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06776698T PL1917440T3 (pl) 2005-08-23 2006-08-09 Urządzenie do tłoczenia materiału gęstego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005040014A DE102005040014A1 (de) 2005-08-23 2005-08-23 Vorrichtung zum Fördern von Dickstoffmaterial
PCT/EP2006/007868 WO2007022867A1 (de) 2005-08-23 2006-08-09 Vorrichtung zum fördern von dickstoffmaterial

Publications (2)

Publication Number Publication Date
EP1917440A1 EP1917440A1 (de) 2008-05-07
EP1917440B1 true EP1917440B1 (de) 2009-05-13

Family

ID=36972860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06776698A Active EP1917440B1 (de) 2005-08-23 2006-08-09 Vorrichtung zum fördern von dickstoffmaterial

Country Status (12)

Country Link
US (2) US8033214B2 (es)
EP (1) EP1917440B1 (es)
JP (1) JP4977706B2 (es)
KR (1) KR20080036207A (es)
CN (1) CN101248274B (es)
AT (1) ATE431504T1 (es)
CA (1) CA2619711C (es)
DE (2) DE102005040014A1 (es)
DK (1) DK1917440T3 (es)
ES (1) ES2324891T3 (es)
PL (1) PL1917440T3 (es)
WO (1) WO2007022867A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005040014A1 (de) * 2005-08-23 2007-03-01 Putzmeister Ag Vorrichtung zum Fördern von Dickstoffmaterial
DE102007058604A1 (de) * 2007-12-03 2009-06-04 Putzmeister Concrete Pumps Gmbh Vorrichtung zum Fördern von Dickstoff
ITUA20162028A1 (it) * 2016-03-31 2017-10-01 Giuseppe Nico "apparato e relativo procedimento per la pressatura in continuo"
BE1025113B1 (nl) * 2017-04-04 2018-10-31 Organic Waste Systems, Verkort O.W.S. Naamloze Vennootschap Inrichting voor het scheiden van een product in een vloeibare fractie en in een niet vloeibare fractie
SE544566C2 (en) * 2020-01-31 2022-07-19 Hydria Water Ab A separation device and method to separate contaminants from contaminated water

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1135309A (en) * 1914-08-25 1915-04-13 Edgar T Meakin Press.
US2159258A (en) * 1934-05-28 1939-05-23 Joaquin Julio De La Roza Sr Method and apparatus for digesting fibrous or cellular material
US2705916A (en) * 1951-05-31 1955-04-12 Millgard Bror Manne Device for pressing out a fluid from a material in pieces
US3021254A (en) * 1959-09-25 1962-02-13 Crown Zeilerbach Corp Method and apparatus for dewatering pulp and the resulting product
US3168033A (en) 1962-10-10 1965-02-02 Edward F Hansen Liquid-solid separating apparatus
US3471203A (en) * 1967-01-30 1969-10-07 Rader Pneumatics & Eng Co Ltd Particulate material pumping apparatus
AU4086478A (en) * 1977-10-29 1980-04-24 Howard Machinery Ltd Baling machine
US4343233A (en) * 1980-03-31 1982-08-10 Burgin Kermit H Apparatus for producing and collecting a liquid extract and a dry by-product from a mash
DE3113515C2 (de) * 1981-04-03 1987-01-08 H. Bieri AG Maschinenfabrik, Liebefeld, Bern Horizontale Entwässerungspresse
US4603909A (en) * 1983-03-30 1986-08-05 Jeune G Le Device for separating phases for rigid multiphase materials
NO872836L (no) * 1987-02-12 1988-08-15 Sigurd Fongen Trykksatt avvanningspresse for fibersuspensjoner.
FR2665112A1 (fr) * 1990-07-26 1992-01-31 Meyrpic Framatome Mec Presse de traitement de dechets.
JPH05170293A (ja) * 1991-01-31 1993-07-09 Gifu City し渣搬送装置
JP3138283B2 (ja) * 1991-01-31 2001-02-26 岐阜市 し渣搬送装置
JPH0677699B2 (ja) * 1991-03-20 1994-10-05 日立機電工業株式会社 除塵脱水機におけるスクリーン渣の洗浄脱水方法
SE505140C2 (sv) 1992-11-04 1997-06-30 Roto Sieve Ab Kolvpress
JP3342520B2 (ja) * 1992-12-18 2002-11-11 日立機電工業株式会社 スクリーン渣脱水機によるスクリーン渣の圧搾方法
DE4341607A1 (de) * 1993-02-02 1994-08-04 Putzmeister Maschf Verfahren zum Fördern von vorzerkleinerten Metallschrott oder dergleichen Festkörper enthaltenden Dickstoffen
GB2282337B (en) * 1993-08-14 1997-12-03 Christopher Paul Reynell Apparatus and method for treating organic waste
FI98998C (fi) * 1995-02-01 1997-09-25 Sne Environment Engineering Lt Puristin
DE19524048C2 (de) * 1995-07-01 1998-09-17 Hoppecke Zoellner Sohn Accu Pumpe zur Förderung nicht fließfähiger Medien
CN2483526Y (zh) * 2001-04-26 2002-03-27 美格公司 可用于高温金属液抽汲的泵
US7383766B2 (en) * 2001-08-29 2008-06-10 Mte Research Pty Ltd Coal dewatering system and method
DE10256674A1 (de) * 2002-12-04 2004-06-17 Baumann-Schilp, Lucia Kombinierte Entfeuchtung, Trocknung und Korngrößensteuerung von Feststoffen
DE102005040014A1 (de) * 2005-08-23 2007-03-01 Putzmeister Ag Vorrichtung zum Fördern von Dickstoffmaterial

Also Published As

Publication number Publication date
WO2007022867A1 (de) 2007-03-01
CA2619711A1 (en) 2007-03-01
DK1917440T3 (da) 2009-07-06
CN101248274B (zh) 2010-08-11
DE102005040014A1 (de) 2007-03-01
US8393265B2 (en) 2013-03-12
ATE431504T1 (de) 2009-05-15
ES2324891T3 (es) 2009-08-18
US20110318192A1 (en) 2011-12-29
PL1917440T3 (pl) 2009-10-30
DE502006003734D1 (de) 2009-06-25
CA2619711C (en) 2013-01-22
EP1917440A1 (de) 2008-05-07
JP2009506247A (ja) 2009-02-12
US8033214B2 (en) 2011-10-11
JP4977706B2 (ja) 2012-07-18
KR20080036207A (ko) 2008-04-25
US20080219870A1 (en) 2008-09-11
CN101248274A (zh) 2008-08-20

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