EP0326012B2 - Dispositif de conditionnement d'une matière en vrac - Google Patents

Dispositif de conditionnement d'une matière en vrac Download PDF

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Publication number
EP0326012B2
EP0326012B2 EP89100844A EP89100844A EP0326012B2 EP 0326012 B2 EP0326012 B2 EP 0326012B2 EP 89100844 A EP89100844 A EP 89100844A EP 89100844 A EP89100844 A EP 89100844A EP 0326012 B2 EP0326012 B2 EP 0326012B2
Authority
EP
European Patent Office
Prior art keywords
silo
steam
bulk material
worm conveyor
impregnating
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
EP89100844A
Other languages
German (de)
English (en)
Other versions
EP0326012A3 (fr
EP0326012B1 (fr
EP0326012A2 (fr
Inventor
Werner Weckherlen
Hans-Joachim Dellit
Hans-Georg Grüne
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.)
Schwaebische Huettenwerke Automotive GmbH
Original Assignee
Schwaebische Huettenwerke Automotive 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6346154&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0326012(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schwaebische Huettenwerke Automotive GmbH filed Critical Schwaebische Huettenwerke Automotive GmbH
Priority to AT89100844T priority Critical patent/ATE104001T1/de
Publication of EP0326012A2 publication Critical patent/EP0326012A2/fr
Publication of EP0326012A3 publication Critical patent/EP0326012A3/fr
Application granted granted Critical
Publication of EP0326012B1 publication Critical patent/EP0326012B1/fr
Publication of EP0326012B2 publication Critical patent/EP0326012B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means

Definitions

  • the invention relates to a device for Conditioning bulk goods, such as chips or Chips, especially of a vegetable nature, such as wood chips for the production of fibers or Pulp for paper or board production or Fibreboard production according to the generic term of claim 1.
  • the conditioned bulk material is with the help of a Ragagagagates by one or more in Openings provided in the silo floor via screw conveyor carried out and the pulp mill fed.
  • a Ragagagagates by one or more in Openings provided in the silo floor via screw conveyor carried out and the pulp mill fed.
  • the object of the invention is a Facility with the characteristics of the generic term of claim 1 to the extent that largely simple with simple means Conditioning of the bulk material is achieved.
  • the invention shown in the drawing Facility 1 is for conditioning of bulk goods such as chips, fibers and the like provided and can preferably be used for processing of wood chips are used for the production of pulp for the paper or carton production or of fibers for fiberboard production can be used.
  • the Device 1 has a silo 2, the inside of the floor 3 has a clearing unit 4 which e.g. as a rotor with radially striving flexible Trailed arms or designed as a rotating floor can be.
  • a discharge screw conveyor 5 is arranged in the bottom 3 .
  • the discharge screw conveyor 5 can expediently be so long that it over the entire diameter of the silo 2 extends.
  • the discharge screw conveyor 5 has one located under the opening of the silo bottom 3 Trough 6 in which a screw conveyor 7 um an axis 8 is rotatably mounted.
  • Fig. 1 shows that the axis 8 to the vertical central axis 9 is not at right angles and runs in such a way that the discharge screw conveyor 5 rises in the conveying direction (arrow).
  • the rise angle can be about 3 to 15 ° C, preferably be about 5 °.
  • slant downwards inclined guide surfaces 10 for the from above in have the wood chips to be introduced into the Silo2 and as helix 11, wedge 12, funnel 13 and Cross bar 14 and be designed as a truncated cone can.
  • the conical internals 11 to 13 serve the uniform damping of the wood chips and simultaneous relief to avoid swelling of the wood chips Bridges of the bulk material in the silo 2 form. This ensures that the Bulk material achieved.
  • steam nozzles 15th provided at various points in the silo 2 are arranged so that a largely even steam introduction is achieved.
  • the present exemplary embodiment is the steam nozzle 15 both on the side walls of the silo 2 at different levels and distances as well on the crosspiece 14 and in particular also on or under the silo floor 3 and at the trough 6 of the Discharge screw conveyor 5 is provided.
  • the Steam nozzles 15 are arranged so that they are largely shielded from the bulk material, to avoid clogging of the nozzles.
  • a preferred arrangement of the steam nozzles 15 is provided on silo 2 in the area of rooms 16, which are located under the internals 11 to 14 or from their oblique guide surfaces 10 are limited. Especially the lower steam nozzles 15 are conical by sieve-shaped plates Openings (Fig. 5) protected.
  • FIG. 5 shows that the steam nozzles 15 conical outflow holes 17 can have, which in the direction taper the vapor flow (arrow). It can be advantageous to use the steam nozzle 15 in this way train that they are multiple or a variety of outflow holes 17, which is appropriate be provided in a sieve-shaped plate 18 can. Through the conical outflow holes 17 the steam nozzles become blocked by the Bulk goods avoided because of the smaller opening cross-section the conical or funnel-shaped Outflow holes 17 facing the wood chips is so that these are not in the outflow holes 17 can fix.
  • the steam nozzles 15 it is useful to use the steam nozzles 15 to be provided with an inspection opening 19, so that the interior 20 of the steam nozzle 15th is accessible from the outside if necessary.
  • the inspection opening 19 is with a removable cover or flange 21 closed on the steam nozzle 15 pivoted on an axis 22 is.
  • the front end of the steam nozzle 15 is a pipe 23 connected through which the hot Steam supplied for the conditioning of the bulk material can be.
  • Through the inspection opening 19 it is possible to use the interior 20 as well
  • To clean outflow holes 17 from the inside, to e.g. carried by the steam supplied or remove any impurities. 5 shows the cleaning opening 19 perpendicular to the longitudinal axis 24 of the steam nozzle 15 formed and arranged close behind the sieve plate 18, so that this sieve plate is easily accessible is and can be cleaned easily.
  • the wood chips are additionally conditioned in an impregnation station 25 after they have been discharged from the silo 2.
  • the bulk material is fed to the impregnation station via the discharge screw conveyor 5, which rises obliquely upwards in order to press steam out of the wood chips by compression.
  • the impregnation station 25 contains an impregnation liquid 26 which is located in an impregnation screw conveyor 27 which inclines obliquely in the conveying direction (arrow) and a preferably vertical cross conveyor 28 which is also designed as a screw conveyor.
  • the discharge screw conveyor 5 and the impregnation screw conveyor 27 are arranged with different pitch angles, the slope of the impregnation screw conveyor 27 advantageously being greater than the slope of the discharge screw conveyor 5.
  • the impregnation screw conveyor 27 can be arranged at an angle of approximately 5 to 60 °, preferably approximately 25 ° be, as is indicated in the present embodiment.
  • two or more discharge screw conveyors 5 When using two or more discharge screw conveyors 5 are also useful two or more impregnating screw conveyors 27 and two or more cross conveyors 28 provided so that overall a uniform and high quality conditioning of the Wood chips can be achieved. By using it of two or more discharge screw conveyors 5 will also be an equalization the dwell time of the wood chips is reached and it steam losses are avoided. You can also independently of each other several fiberizing mills be loaded, which makes considerable Costs can be saved because then not for each fiberizing mill has a separate silo have to be.
  • the internals 11 to 14 form a bridge of the bulk material avoided because the Downward movement of the bulk material on the silo wall is braked and nascent Vaults due to the faster downward movement collapse immediately in the middle of the silo.
  • the internals 11 to 14 can on the silo wall be arranged asymmetrically.
  • the one through the Steam nozzles 15 flowing into the silo 2 can become conical or wedge-shaped Distribute fittings 11 to 13 evenly and in a ring emerge, creating an optimal steam treatment the wood chips are obtained. Since none Bridges can form in the bulk material no channels in the property. The steam the bulk material can slowly move from bottom to top penetrate and is from the wood chips largely absorbed, so that practically none Loss of steam occurs and high efficiency steam treatment is achieved.
  • the woodchips swell to absorb moisture increasing their volume up, being in rooms 16 below the fixtures 11 to 14 can occur, so that the volume increase no blocking caused.
  • the even steam distribution in silo 2 is also supported by the fact that the steam nozzles 15 arranged at different locations of the silo 2 are, especially on the snail troughs 6 and on the silo floor 3 under the relief fittings 11 to 14.
  • the Schnitzel arrive due to the funnel-shaped Extension into the interior 20 of the steam nozzle 15 so that the outflow holes 17 remain free and do not clog.
  • the small schnitzel and any Impurities in the steam can pass through the inspection opening 19 easily from inside 20 to be removed.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Vending Machines For Individual Products (AREA)
  • Glass Compositions (AREA)
  • Beverage Vending Machines With Cups, And Gas Or Electricity Vending Machines (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Claims (11)

  1. Dispositif de conditionnement d'une matière en vrac, comme des copeaux ou des déchets, en particulier du type végétal, tels que des déchets de coupe de bois en vue de la préparation de fibres ou de cellulose pour la production de papier ou de carton ou la production de panneaux de fibres, comprenant un silo (2) qui présente des conduites d'amenée de vapeur (15) réparties en plusieurs endroits, un groupe de déblayage (4) et un dispositif d'évacuation (5), caractérisé en ce que les conduites d'amenée de vapeur sont réalisées sous forme de buses d'injection de vapeur (15) et sont protégées vis-à-vis de la matière en vrac par des chicanes (11 à 14), prévues pour le déchargement de la matière en charge, et en ce que des buses d'injection de vapeur protégées (15) sont prévues dans des espaces (16) sur les parois latérales du silo (2), dans différents plans au-dessous de chicanes (11 à 13) réparties sur la paroi du silo, espaces limités par des surfaces de guidage obliques (10) des chicanes (11 à 13), le mouvement de descente de la matière en vrac sur la paroi du silo étant freiné au moyen des chicanes (11 à 13) et étant donc plus rapide au milieu du silo (2).
  2. Dispositif selon la revendication 1, caractérisé en ce que les buses d'injection de vapeur (15) sont de préférence fraisées coniquement dans le fond du silo (3) et munies d'une ouverture de nettoyage sous la plaque de buse et sont prévues sur celui-ci et/ou sur le dispositif d'évacuation, avantageusement sur un convoyeur d'évacuation à vis (15).
  3. Dispositif selon l'une des revendications 1 et 2, caractérisé en ce que les buses d'injection de vapeur (15) présentent des trous d'écoulement (17) se rétrécissant coniquement dans la direction d'écoulement de la vapeur, qui sont avantageusement rassemblées à plusieurs sur une plaque (18) sensiblement en forme de tamis.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce qu'un espace interne (20) de la buse d'injection de vapeur (15) est accessible pour le nettoyage des trous d'écoulement (17) par une ouverture de visite (19) obturable par une bride (21).
  5. Dispositif selon la revendication 4, caractérisé en ce que l'ouverture de visite (19) est disposée transversalement, de préférence perpendiculairement, par rapport à l'axe longitudinal (24) de la buse d'injection de vapeur (15).
  6. Dispositif selon la revendication 1, caractérisé en ce que, à la suite du convoyeur d'évacuation à vis (5), sont montés au moins un et de préférence plusieurs convoyeurs d'imprégnation à vis (27) qui contiennent un fluide d'imprégnation (26) pour la matière en vrac.
  7. Dispositif selon la revendication 6, caractérisé en ce que, entre le convoyeur d'évacuation à vis (5) et le convoyeur d'imprégnation à vis (27), est monté un convoyeur transversal (28), avantageusement vertical, qui est au moins partiellement empli du fluide d'imprégnation (26).
  8. Dispositif selon l'une des revendications 6 et 7, caractérisé en ce que le convoyeur d'évacuation à vis (5) et/ou le convoyeur d'imprégnation à vis (27) s'élèvent obliquement dans la direction de transport.
  9. Dispositif selon la revendication 8, caractérisé en ce que le convoyeur d'évacuation à vis (5) et le convoyeur d'imprégnation à vis (27) s'élèvent avec des pentes différentes, la montée du convoyeur d'imprégnation à vis (27) étant plus raide que la montée du convoyeur d'évacuation à vis (5).
  10. Dispositif selon l'une des revendications 6 à 9, caractérisé en ce que sont prévus au moins deux convoyeurs d'évacuation à vis (5), avantageusement parallèles, qui peuvent être actionnés indépendamment l'un de l'autre.
  11. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que les chicanes (11 à 14) présentent différentes formes, à savoir sensiblement en forme d'entonnoir, en forme de coin, coniques et en forme d'hélice.
EP89100844A 1988-01-28 1989-01-19 Dispositif de conditionnement d'une matière en vrac Expired - Lifetime EP0326012B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89100844T ATE104001T1 (de) 1988-01-28 1989-01-19 Einrichtung zum konditionieren von schuettgut.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3802489A DE3802489C2 (de) 1988-01-28 1988-01-28 Einrichtung zum Konditionieren von Schüttgut wie Spänen oder Schnitzeln
DE3802489 1988-01-28

Publications (4)

Publication Number Publication Date
EP0326012A2 EP0326012A2 (fr) 1989-08-02
EP0326012A3 EP0326012A3 (fr) 1991-05-15
EP0326012B1 EP0326012B1 (fr) 1994-04-06
EP0326012B2 true EP0326012B2 (fr) 1999-12-15

Family

ID=6346154

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89100844A Expired - Lifetime EP0326012B2 (fr) 1988-01-28 1989-01-19 Dispositif de conditionnement d'une matière en vrac

Country Status (9)

Country Link
US (1) US4930230A (fr)
EP (1) EP0326012B2 (fr)
AT (1) ATE104001T1 (fr)
CA (1) CA1315584C (fr)
DE (2) DE3802489C2 (fr)
ES (1) ES2050725T5 (fr)
FI (1) FI87664C (fr)
NO (1) NO173666C (fr)
PT (1) PT89527B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5161315A (en) * 1990-08-03 1992-11-10 Jet-Pro Company, Inc. Fluidized bed particulate material treating apparatus
FI91893C (fi) * 1993-02-11 1994-08-25 Kone Oy Laitteisto höyryn syöttämiseksi siiloon
GB9814358D0 (en) * 1998-07-03 1998-09-02 Sandison Malcolm D W Waste treatment process and apparatus
BE1013599A7 (nl) * 2000-07-19 2002-04-02 Stavelse Metaalbouw N V Inrichting voor het behandelen van hout door middel van stoom.
US6497791B1 (en) 2001-08-30 2002-12-24 Jack T. Baker Apparatus for pre-treatment of wood chips
DE20300242U1 (de) 2003-01-07 2003-05-22 ARP GmbH & Co. KG, 72275 Alpirsbach Kratzförderer
KR100780575B1 (ko) * 2006-04-28 2007-11-30 재영솔루텍 주식회사 과열증기발생기를 이용한 가열, 살균, 건조기구
US8206656B2 (en) 2008-07-30 2012-06-26 Ford Global Technologies, Llc Freezable-liquid dispenser for motor vehicles
EP2174891A1 (fr) 2008-10-07 2010-04-14 Ateliers Caucheteux SPRL Dispositif pour la fluidification de matériaux granulaires, conteneur muni d'un tel dispositif, procédé de conditionnement de matériaux granulaires et procédé de décolmatage de matériaux granulaires contenus dans un conteneur
ES2710077B2 (es) * 2017-10-17 2020-03-05 Incus Tech S L Procedimiento y aparato de pasteurización

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1574210A (en) * 1924-10-29 1926-02-23 Horace R Spaulding Method and apparatus for steaming grain and the like
BE510124A (fr) * 1951-03-22
US3257733A (en) * 1962-12-17 1966-06-28 George A Rolfes Company Drying apparatus and method
US3666117A (en) * 1968-10-02 1972-05-30 Schwaebische Huettenwerke Gmbh Silo discharging device
DE2061829C2 (de) * 1970-12-16 1982-01-14 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur thermischen Behandlung feinkörniger Feststoffe in einem Wirbelbett mit Innenverbrennung
SE7317565L (fr) * 1973-12-28 1975-06-30 Selander Stig Daniel
US3976018A (en) * 1975-02-14 1976-08-24 William Paul Boulet Dryer system
DE3135295A1 (de) * 1981-09-05 1983-03-24 Schwäbische Hüttenwerke GmbH, 7080 Aalen Silo fuer insbesondere schwerfliessendes schuettgut
SE428813B (sv) * 1981-10-28 1983-07-25 Sunds Defibrator Sett for framstellning av fiberskivor enligt den vata metoden

Also Published As

Publication number Publication date
NO890345L (no) 1989-07-31
DE3802489C2 (de) 1997-12-18
NO173666C (no) 1998-02-03
FI87664C (fi) 1997-07-01
PT89527A (pt) 1989-10-04
ATE104001T1 (de) 1994-04-15
DE3802489A1 (de) 1989-08-03
NO890345D0 (no) 1989-01-27
FI890356A0 (fi) 1989-01-25
ES2050725T3 (es) 1994-06-01
EP0326012A3 (fr) 1991-05-15
NO173666B (no) 1993-10-04
FI87664B (fi) 1992-10-30
EP0326012B1 (fr) 1994-04-06
EP0326012A2 (fr) 1989-08-02
PT89527B (pt) 1994-01-31
DE58907366D1 (de) 1994-05-11
CA1315584C (fr) 1993-04-06
ES2050725T5 (es) 2000-04-01
FI890356A7 (fi) 1989-07-29
US4930230A (en) 1990-06-05

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