EP0976980B1 - Dispositif et procédé de distribution de produits pâteux - Google Patents

Dispositif et procédé de distribution de produits pâteux Download PDF

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Publication number
EP0976980B1
EP0976980B1 EP99110733A EP99110733A EP0976980B1 EP 0976980 B1 EP0976980 B1 EP 0976980B1 EP 99110733 A EP99110733 A EP 99110733A EP 99110733 A EP99110733 A EP 99110733A EP 0976980 B1 EP0976980 B1 EP 0976980B1
Authority
EP
European Patent Office
Prior art keywords
tubular part
mandrel
strand
product
pressurised
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.)
Expired - Lifetime
Application number
EP99110733A
Other languages
German (de)
English (en)
Other versions
EP0976980A2 (fr
EP0976980A3 (fr
Inventor
Wolfgang Zey
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 AG
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 AG filed Critical Putzmeister AG
Publication of EP0976980A2 publication Critical patent/EP0976980A2/fr
Publication of EP0976980A3 publication Critical patent/EP0976980A3/fr
Application granted granted Critical
Publication of EP0976980B1 publication Critical patent/EP0976980B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/442—Waste feed arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations

Definitions

  • the invention relates to a device for dispensing pasty material with the material to be conveyed, preferably by means of a thick matter pump loadable to form a coherent line of conveyed goods, a delivery pipe provided with an ejection opening and with an axially parallel or coaxial through the discharge opening mandrel engaging in the pipe section for dividing the leaked strand of conveyed material.
  • the invention further relates to a method for applying pasty Conveyed goods, in which the conveyed goods in the form of a strand with a Pipe section of a delivery line provided with the discharge opening is pressed, wherein the conveyed material strand is formed into a hollow strand in the pipe section which, after exiting through the discharge opening on the inside with a Pressure medium is applied.
  • Devices of this type are used, for example, to drain water Enter sewage sludge for disposal in incinerators or on To spend landfills.
  • a known device of a similar design has a cylindrical lance tube trained feeder from which through an entry opening in a furnace sticks out.
  • the lance application is carried out under Pressure column of conveyed material at the end of the conveying line through the lance tube pressed.
  • a pipe profile corresponding to this is formed Strand, which, depending on the consistency, in a coherent form or lumps through the pipe opening into the oven.
  • sewage sludge introduced in the form of lumps or lumps is due to the low surface / volume ratio an increased supply from external energy to combustion. Another negative effect in this direction results from a locally uneven loading of the Oven.
  • the object of the invention is a device and to develop a process for the discharge of pasty material to be conveyed, with simple means a spreadable shape and large area Distribution of the material to be conveyed is made possible.
  • the invention is based on the idea of the incoming conveyor line in the area of the discharge opening with formation of scatterable Cut up bulk material and spread it in this form.
  • the cathedral against the conveying direction pointing, engaging in the pipe section conical Dome tip, and that it is in an outside of the pipe section, preferably near the opening, pointing transversely to the conveying direction has nozzles which can be acted upon by a pressure medium.
  • the preferably cylindrical dome has one against the conveying direction pointing conical mandrel tip. This will reduce the flow resistance and thus reduces the pressure losses in the flow of material to be conveyed.
  • a further improvement in this regard is achieved if the pipe section is in its opening section close to the opening according to the local Mandrel cross-section has expanded inner cross-section and if the pipe section is flared in the area of the mandrel tip towards the discharge opening.
  • the mandrel is on a protruding part, preferably projecting beyond the opening-side end of the pipe section Support structure arranged, which expediently at least three, preferably arranged at equal angular distances from one another, with her one radially oriented leg with the mandrel and with her other, axially parallel legs with the opening end of the pipe section has connected angle struts and thus for division of the incoming flow contributes.
  • the nozzles with a through the mandrel and Support structure passed through, preferably via a jacket opening of the pipe section communicate with the pressure medium channel acted upon by the pressure medium.
  • the pipe section advantageously has a near its arranged at the opening end, projecting radially outwards, flange ring that can be fastened with screws.
  • the pressure medium supply can be continuous or pulsed and automatically controlled by the incoming flow become.
  • the method according to the invention is advantageously for loading incinerators with sewage sludge used. Due to the size reduction and the large area Distribution of the sludge parts becomes self-reliance of the combustion process improved.
  • the inventive method can also be used Advantage for spreading sewage sludge on land and use forestry or landfills.
  • the device shown in the drawing is for Spreading of pasty materials, in particular thickened sewage sludge, in the form of bulk material determined a delivery line.
  • the device 10 consists essentially of a an outlet 20 of a delivery line 12 by means of a pressure-tight pipe coupling 24 (sealing ring 22) flanged cylindrical pipe section 14 and one at a Support structure 15 attached coaxially by a Ejecting opening 30 engaging in the pipe section 14 Thorn 18th
  • the pipe section 14 is based on its cylindrical Entrance 26 flared on a central section 28 and goes into a cylindrical end portion 32 with greater clear width over.
  • the pipe section points in Region of the end portion 32 a radially outward projecting flange ring 34 with which it is connected to a Wall opening 36 of an incinerator by means of screws 35 is flanged.
  • angle braces 16 are at equal angular intervals from one another arranged and are with their one, radially aligned Leg 38 with the outside of the pipe section 14 located end of the mandrel 18 and with its other, axially parallel leg 42 with the end face 54 of the pipe section 14 connected.
  • the mandrel 18 engages approximately half the length of its cylindrical Shaft coaxially into the pipe section and carries one against the direction of conveyance, in the conical central section 28 of the pipe section 14, conical tip 44. Close to the opening The area outside the pipe section 14 has the mandrel 18 four in an annular zone 46 at the same angular distance arranged around the circumference, radially outwards directed nozzles 48, which with an axially through the Mandrel 18 and passed through one of the angle struts 16 Communicate pressure medium channel 50.
  • the pressure medium channel 50 is through a jacket opening 56 through a longitudinal bore 52 of the tubular jacket through pressurized on the outside.
  • the conveyor line 12 is with the help a thick matter pump with pasty material, for example with thickened sewage sludge, loaded.
  • a thick matter pump with pasty material, for example with thickened sewage sludge, loaded.
  • the pump pressure is the material to be conveyed, forming a connected conveyor line through the conveyor line 12 transported through to the pipe section 14.
  • the strand cross section is through the inlet width 58 of the Pipe piece 14 determined.
  • the conveyed material strand through the mandrel tip 44 impaled and thereby forming a hollow strand radially expanded.
  • the invention relates to an apparatus 10 and a method for dispensing pasty material from a Conveying line 12, the material being conveyed through a Ejection opening 30 provided pipe section 14 pressed and formed into a hollow strand by means of a mandrel 18 becomes.
  • the hollow strand is passed through after the passage compressed air is applied to the discharge opening 30 on the inside and divided it to form bulk material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treatment Of Sludge (AREA)
  • Fish Paste Products (AREA)
  • Basic Packing Technique (AREA)

Claims (14)

  1. Dispositif de distribution de produit pâteux avec une conduite de transport (12) pouvant être alimentée avec le produit à transporter à l'aide, de préférence, d'une pompe à liquides épais, en formant un boudin continu de produit, avec un élément tubulaire (14) muni d'une ouverture d'éjection (30) et avec une broche (18) parallèle à l'axe ou coaxiale pénétrant dans l'élément tubulaire (14) par l'ouverture d'éjection (30) pour la séparation du boudin de produit sortant, caractérisé en ce que la broche (18) comporte une pointe (44) conique pénétrant dans l'élément tubulaire (14) et orientée dans la direction opposée à celle du transport et en ce qu'elle comporte, dans une zone à l'extérieur de l'élément tubulaire (14), des buses (48) pouvant être alimentées avec un fluide sous pression et orientées vers l'extérieur perpendiculairement à la direction de transport.
  2. Dispositif selon la revendication 1, caractérisé en ce que les buses sont disposées à proximité de l'ouverture d'éjection à l'extérieur de l'élément tubulaire (14).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la broche a une forme cylindrique.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que la broche (18) comporte au moins trois buses (48) orientées radialement vers l'extérieur et réparties sur le pourtour de préférence dans une zone annulaire (46).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que l'élément tubulaire (14) comporte, au niveau de son extrémité (32) proche de l'ouverture, une section transversale intérieure élargie par rapport à la section transversale locale de la broche.
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que l'élément tubulaire (14) est élargi coniquement dans la zone de la pointe (44) vers l'ouverture d'éjection (30).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que l'élément tubulaire (14) comporte un collet rapporté (34) dépassant radialement vers l'extérieur et disposé, de préférence, à proximité de l'extrémité (32) du côté de l'ouverture.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que la broche (18) est disposée, de préférence, sur une construction de support (15) dépassant de l'extrémité du côté de l'ouverture de l'élément tubulaire (14).
  9. Dispositif selon la revendication 8, caractérisé en ce que les buses communiquent avec un canal de fluide sous pression (50) passant à travers la broche (18) et la construction de support (15), et pouvant être alimenté avec un fluide sous pression, de préférence par l'intermédiaire d'une ouverture dans le revêtement (56) de l'élément tubulaire (14).
  10. Dispositif selon l'une des revendications 8 ou 9, caractérisé en ce que la construction de support (15) comporte au moins trois entretoises coudées (16), disposées de préférence à des distances angulaires égales, qui sont reliées, avec leur aile (38) orientée radialement, à la broche (18) et, avec leur autre aile (42) orientée parallèlement à l'axe à l'extrémité du côté de la sortie de l'élément tubulaire (14).
  11. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que le canal de fluide sous pression (50) passe à travers une des entretoises coudées (16).
  12. Procédé de distribution de produits pâteux, dans lequel le produit à transporter est pressé sous forme de boudin à travers un élément tubulaire (14) d'une conduite de transport muni d'une ouverture d'éjection (30), moyennant quoi le boudin de produit à transporter est façonné, dans l'élément tubulaire (14), en un boudin creux qui est chargé à l'intérieur, après la sortie par l'ouverture d'éjection (30), avec un fluide sous pression, caractérisé en ce que le boudin creux est chargé en direction radiale avec le fluide sous pression et est ainsi fragmenté en formant du produit en vrac.
  13. Procédé selon la revendication 12, caractérisé en ce que le boudin creux sortant de l'élément tubulaire (4) est chargé avec un gaz sous pression en continu ou par impulsions.
  14. Procédé selon la revendication 12 ou 13, caractérisé en ce que l'alimentation en fluide sous pression est commandée par le boudin de produit à transporter arrivant.
EP99110733A 1998-07-25 1999-06-04 Dispositif et procédé de distribution de produits pâteux Expired - Lifetime EP0976980B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833539 1998-07-25
DE19833539A DE19833539A1 (de) 1998-07-25 1998-07-25 Vorrichtung und Verfahren zum Ausbringen von pastösem Fördergut

Publications (3)

Publication Number Publication Date
EP0976980A2 EP0976980A2 (fr) 2000-02-02
EP0976980A3 EP0976980A3 (fr) 2000-03-22
EP0976980B1 true EP0976980B1 (fr) 2003-08-27

Family

ID=7875310

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99110733A Expired - Lifetime EP0976980B1 (fr) 1998-07-25 1999-06-04 Dispositif et procédé de distribution de produits pâteux

Country Status (3)

Country Link
EP (1) EP0976980B1 (fr)
DE (2) DE19833539A1 (fr)
ES (1) ES2205638T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110759100B (zh) * 2019-11-13 2021-06-04 无锡天睿环保科技有限公司 一种机头灰气力输送设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE175754C (fr) *
CH340765A (de) * 1955-02-17 1959-08-31 Schwing Friedrich Wilh Anlage zum Fördern von breiigen oder plastischen Massen
JPS597887B2 (ja) * 1979-03-07 1984-02-21 コロナ燃焼工業株式会社 微粒子固体混入の液体燃料の燃焼方法
US5129766A (en) * 1988-06-21 1992-07-14 Shell Oil Company Aeration tube discharge control device
US5076179A (en) * 1990-07-13 1991-12-31 Systech Environmental Corp. Method and apparatus for injecting sludge into a kiln
US5284405A (en) * 1990-07-13 1994-02-08 Systech Environmental Corporation Method and apparatus for injecting sludge into a kiln
DE4211138A1 (de) * 1992-04-03 1993-10-07 Putzmeister Maschf Vorrichtung zur Förderung von feststoffreichen Dickstoffen
US5779523A (en) * 1994-03-01 1998-07-14 Job Industies, Ltd. Apparatus for and method for accelerating fluidized particulate matter
JPH0894057A (ja) * 1994-09-26 1996-04-12 Maekawa Seisakusho:Kk 汚泥，汚水の燃焼処理方法とこの方法に用いる汚水噴霧ノズル

Also Published As

Publication number Publication date
DE59906750D1 (de) 2003-10-02
DE19833539A1 (de) 2000-01-27
EP0976980A2 (fr) 2000-02-02
ES2205638T3 (es) 2004-05-01
EP0976980A3 (fr) 2000-03-22

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