EP1479511A2 - Procédé de fabrication d'objets moulés par compression - Google Patents

Procédé de fabrication d'objets moulés par compression Download PDF

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Publication number
EP1479511A2
EP1479511A2 EP04011803A EP04011803A EP1479511A2 EP 1479511 A2 EP1479511 A2 EP 1479511A2 EP 04011803 A EP04011803 A EP 04011803A EP 04011803 A EP04011803 A EP 04011803A EP 1479511 A2 EP1479511 A2 EP 1479511A2
Authority
EP
European Patent Office
Prior art keywords
press
mold
pressed
openings
compression
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.)
Withdrawn
Application number
EP04011803A
Other languages
German (de)
English (en)
Other versions
EP1479511A3 (fr
Inventor
Gernot Dr. Von Haas
Detlef Dipl.Ing. Kroll
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.)
Dieffenbacher GmbH and Co KG
Original Assignee
Dieffenbacher GmbH and Co KG
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 Dieffenbacher GmbH and Co KG filed Critical Dieffenbacher GmbH and Co KG
Publication of EP1479511A2 publication Critical patent/EP1479511A2/fr
Publication of EP1479511A3 publication Critical patent/EP1479511A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30—Feeding material to presses
    • B30B15/302—Feeding material in particulate or plastic state to moulding presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N5/00—Manufacture of non-flat articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/14—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with moulds on a movable carrier other than a turntable or a rotating drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/32—Discharging presses

Definitions

  • the invention relates to a method for producing compacts according to the preamble of claim 1, to a system according to claim 23 and a deck press for the system.
  • DE 199 55 844 A1 relates to a method and a press for making pellets.
  • pellets for Heating purposes from pressed biomass, such as sawdust and / or from Wood chips, the raw material also being grain and corn ground form or starch in the amount of 1 to 10 weight percent May contain, which is added to the mixture as a lubricant and binder.
  • the associated press is available as a ring or flat die press Rollers that roll the material to be pressed in a circle through the openings of a die press and create pellets or pellets.
  • Such wood pellets have a diameter of 4 to 10 mm and are shorter than 50 mm.
  • Wooden briquettes have different shapes, the diameter being larger than 20 mm. Both are compacts with a density greater than 1000 kg / m 3, preferably greater than 1200 kg / m 3 . They are used for firing in fireplaces, special incinerators and other fireplaces and are suitable for automated firing because of their free-flowing properties.
  • the pressed material for the production of the compacts can also be produced from materials containing lignocellulose other than wood, such as annual plants (for example straw, bagasse, ..), palm trees, peat or certain types of lignite or from mixtures of different materials containing lignocellulose. For the disposal of plastic (e.g. thermoset) such waste can be mixed with the lignocullose material 5% to 50%. To do this, however, the exhaust gases during combustion must be specially filtered.
  • Pellet and wood briquette production is generally based on shredded materials in the form of chips.
  • the material to be pressed is pressed with rollers through a perforated die.
  • extrusion presses are generally used, in which the chips are pressed into a forming channel with a stamp.
  • Pellet and extrusion presses have the disadvantage that the capacity per machine is up to 3t / h. is limited.
  • an adhesive such as starch with an amount of up to 2%, based on the dry wood mass, often has to be added, since the compression achieved to 1,300 kg / m 3 is not sufficient to achieve sufficient strength without a binder , Furthermore, the electrical power consumption is relatively large and uneconomical.
  • normal flat pressed plates can also be manufactured on continuous double belt presses or single and multi-day presses and used as fuel. But when splitting the flat pressed panels with saws, sawdust is produced, whereby the minimum kerf width is approx. 3 mm. The compact is therefore not round and therefore relatively unsuitable for automated firing. Furthermore, 15% sawdust is produced on a 10 mm thick compact. Precise cutting of the compact at high density is also difficult.
  • the invention has for its object to provide a method and a system with large capacity for the production of round compacts, which do not have to be divided after pressing and have a density of up to 1500 kg / m 3 .
  • the solution to this problem is according to claim 1 that the filling a press mold with material to be pressed and the compression of the material to be pressed Pressings in the press room of a multi-stage press with one in many openings
  • the plunger is immersed in the mold and that after compression the Press form raised with the press bear and additionally against the press bear starts up, the finished compacts are ejected from the mold and then from the press room into a container by means of a Ejection device can be pushed out.
  • a second solution according to claim 3 is that the compression of the Pressed goods for pellets in the press room of a multi-level press with in many Plunger plunging openings of a press mold filled with material to be pressed after compression, the plunger with the press bear comes out of the mold drive up, and the mold is moved out of the press room, the finished compacts are pressed out of the openings and after the Refill the mold for the next compression cycle in the Press room is retracted.
  • a system for performing the method according to claim 23 a filling device and a stack press, between which a filling and Extension device for the mold is arranged, the mold many Has openings for receiving the material to be pressed and the deck press Press frame with press table arranged in it and by means of hydraulic Cylinder piston assemblies can be raised and lowered press bear and on Pressbear ram for all openings of the mold are attached.
  • shredded material usually containing lignocellulose
  • a plate-shaped press mold with openings or bores, the bores corresponding to the diameter of the compact and being arranged perpendicular to the surface of the press mold and being completely drilled through.
  • the mold can be made of metal and has about the thickness that results from the bulk density of the material and the length and density of the compacts. For example, for wood chips with a bulk density of 250 kg / m 3 and a compact length of 30 mm, the thickness of the mold is 140 mm.
  • the chips scattered into the mold are compacted in a clockwise working flat press with many plungers and after the mold has been moved out of the press, the compacts are pressed out of the mold.
  • steam can be introduced into the bores from one side, preferably from below, in order to heat and moisten the compacts.
  • the lignocellulosic material can be of different moisture and shape to be delivered. As a rule, material that is too large is used Dimensions first crushing with a suitable aggregate (Mill, refiner, snails, chipper, etc.). Comminution is preferred so that 95% of all particles pass through a sieve with mesh sizes of 1.5 mm would fall through.
  • lignocellulosic material with different Moisture of 5% - 180% is over with lignocellulosic material with moisture 20% initially drying the material to moisture below 20%, preferably to 10%.
  • the Floor press can be heated.
  • it is beneficial to have a preheated one Use mold to condense the steam on the mold too avoid.
  • the mold can be filled by contact before filling be preheated with a hot plate.
  • the Particle surface temperature during compaction below 90 ° C - preferably be room temperature.
  • the moisture of the particles before Spreading must be less than 20%.
  • binders or agglomeration aids for the particles such as hydrated lime, Starch, gypsum, resins of the jaw, etc. are added.
  • the press pressure is significantly larger. Evaporation before spreading can also be done in this case be advantageous if, for example, starch is used.
  • the mold and the press plates are not heated, so the plant technology is very is simple. The system can be run without any heating,
  • a large part of the lignocellulose material with moisture over 20% can be delivered to the factory without separate drying of the particles compression is carried out. This is done by drying the particles in the Mold carried out before and or during compaction. A Predamping before scattering can also be used to activate binders be performed. The particles are dried in the mold preferably by introducing hot air into the bores of the mold. The drying can also be done by simply heating the particles in the Press mold at over 100 ° C. To do this, the mold must be placed in front of the Scatter a temperature above 100 ° C, preferably above 150 ° C.
  • particles with moisture can over 120% of the water is first squeezed mechanically, so that the particles have a moisture of 30 - 40% before further drying exhibit.
  • steam is first used (saturated steam or superheated steam) at a temperature of 100 - 200 ° C, then compressed or Squeezed out water and then by introducing hot air or just over Conduction dried further and finally compressed to final density. This enables a significantly better thermal energy balance to be achieved become.
  • Figures 1, 2 and 5 show the system for Filling the mold 4 or the molds 4 and 4 'with material to be pressed 12 outside the deck press 1 with the filling device 9, while after the Figures 3 and 4 a filling of the openings 11 of the mold 4 with 12 to be pressed is provided within the press room 18.
  • the compacts 10 with the pressing device 19 already while moving out of the press room 18 in rows (via the Width) pressed into a container and then with the Filling device 9 fills the openings 11 with material to be pressed 12.
  • the compression cycle is done by pressing and filling to the right of the Floor press 1.
  • the mirror image is identical Formation of squeezing and filling not to the right of the level press 1 shown.
  • the squeezing with the squeezing device 19 can either mechanically with plungers or with compressed air or vacuum.
  • the floor press 1 for the plant for carrying out the method exists from a press frame (not shown) with arranged therein Press table 2 and by means of hydraulic pressure cylinders 6 and Press plunger 5 press bar 3, which can be raised and lowered, and the one on press bar 3 in the same number as the openings 11 in the mold 4 Ram 7.
  • Figures 1 and 2 still show the attachment of leads 13 from Channels 15 of the press table 2 to the openings 11 on each long side of the Press mold 4, in steam and / or vacuum to press mold 4. to Forwarding of steam or vacuum in the openings 11 between the On the long sides there is a sieve 8 between the press table 2 and the press mold 4 appropriate.
  • the mold 4 is after the Compacting by means of a lowering and lifting device 14 when opening the Stack press 1 additionally raised to the press bear 3 and the Ejected compacts 10 with the tappets 7 on the press table 2. Then the compacts 10 are pushed into the Container 16 pushed out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Processing Of Solid Wastes (AREA)
EP04011803A 2003-05-18 2004-05-18 Procédé de fabrication d'objets moulés par compression Withdrawn EP1479511A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10322228A DE10322228A1 (de) 2003-05-18 2003-05-18 Verfahren zur Herstellung von Presslingen
DE10322228 2003-05-18

Publications (2)

Publication Number Publication Date
EP1479511A2 true EP1479511A2 (fr) 2004-11-24
EP1479511A3 EP1479511A3 (fr) 2006-08-02

Family

ID=33039182

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04011803A Withdrawn EP1479511A3 (fr) 2003-05-18 2004-05-18 Procédé de fabrication d'objets moulés par compression

Country Status (4)

Country Link
US (1) US7264763B2 (fr)
EP (1) EP1479511A3 (fr)
CA (1) CA2467606A1 (fr)
DE (1) DE10322228A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006055116A1 (de) * 2006-11-21 2008-05-29 Anton Heggenstaller Gmbh Verfahren und Strangpressanlage zum Herstellen von Strangpressprodukten
CN102602025A (zh) * 2012-03-16 2012-07-25 上海平野磁气有限公司 一种粉末成型压机的等压压制方法和装置
CN106389128A (zh) * 2016-11-25 2017-02-15 青海七彩花生物科技有限公司 一种西药制粒设备
CN108582853A (zh) * 2018-05-02 2018-09-28 何慧敏 一种结核病防治药物制备装置
CN108929738A (zh) * 2018-08-03 2018-12-04 台州骊威环保科技有限公司 一种利用农业废弃物生产燃料的装置

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006122405A1 (fr) * 2005-05-16 2006-11-23 Evergreen Biofuels Inc. Pastilles de combustible en fibres agricoles
US7757451B2 (en) * 2008-11-18 2010-07-20 Lee Lum Mark E Ventilated building block
KR101526840B1 (ko) * 2008-12-15 2015-06-05 질카 바이오매스 퓨얼스 아이 엘엘씨 펠릿 또는 브리켓의 생산 방법
JP5497669B2 (ja) * 2009-01-06 2014-05-21 日本碍子株式会社 成形型、及び、その成形型を用いた成形体の製造方法
DE202009001697U1 (de) 2009-02-11 2009-05-20 Hochgatterer, Josef Vorrichtung zum Pressen von Pellets
DE102009015210B4 (de) * 2009-03-31 2013-07-18 Martin Große Perdekamp Pressvorrichtung und Verfahren zur Herstellung von Presslingen aus Lignin- und/oder cellulosehaltigen Bestandteilen
DE102009040172A1 (de) * 2009-09-04 2011-03-10 Dieffenbacher Gmbh + Co. Kg Verfahren und Anlage zur Herstellung von Pellets aus Biomasse in einer Pelletierpresse zur Verwendung als Brennmaterial in Feuerstellen
WO2011094720A1 (fr) * 2010-01-29 2011-08-04 Enginuity Worldwide, LLC Produit compact composite combustible de biomasse
CN103386768B (zh) * 2013-08-22 2015-09-09 宁波市科技园区绿牌软包装技术贸易有限公司 生活垃圾压块机自动出块机构
CN109895440B (zh) * 2017-12-11 2023-01-20 秦文隆 气密式连续热压成型装置的加压装置
CN110142998A (zh) * 2019-05-28 2019-08-20 河南四方达超硬材料股份有限公司 一种超硬材料合成用叶蜡石细料的再利用装置
CN115302833B (zh) * 2022-07-06 2024-05-17 南通富强纸业有限公司 一种废纸回收用压缩装置

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US4936200A (en) 1987-06-25 1990-06-26 Nestec S.A. Preparation of individual articles from particulate material
WO1996026053A1 (fr) 1995-02-22 1996-08-29 Aktsionernoe Obschestvo Niistrommash Dispositif de pressage de pieces façonnees en cellulose tehcnique

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JP3133899B2 (ja) 1994-07-07 2001-02-13 株式会社三共製作所 錠剤製造方法およびその装置
DE19535315B4 (de) 1995-09-22 2006-02-02 Dieffenbacher Gmbh + Co. Kg Verfahren, Anlage und Presse zur Reduzierung des in Faserzellen kapillar gebundenen Wassergehaltes von Kohlenstoffhaltigen, fein zerkleinerten Feststoffmaterialien und/oder Schlämmen, insbesondere Rohbraunkohle
AT2995U1 (de) 1998-11-19 1999-08-25 Holzindustrie Preding Ges M B Pellets für heizzwecke, verfahren und ring- oder flachmatrizenpresse zur herstellung
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Publication number Priority date Publication date Assignee Title
US4936200A (en) 1987-06-25 1990-06-26 Nestec S.A. Preparation of individual articles from particulate material
WO1996026053A1 (fr) 1995-02-22 1996-08-29 Aktsionernoe Obschestvo Niistrommash Dispositif de pressage de pieces façonnees en cellulose tehcnique

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006055116A1 (de) * 2006-11-21 2008-05-29 Anton Heggenstaller Gmbh Verfahren und Strangpressanlage zum Herstellen von Strangpressprodukten
DE102006055116B4 (de) * 2006-11-21 2013-10-17 Anton Heggenstaller Gmbh Verfahren und Strangpressanlage zum Herstellen von Strangpressprodukten
CN102602025A (zh) * 2012-03-16 2012-07-25 上海平野磁气有限公司 一种粉末成型压机的等压压制方法和装置
CN102602025B (zh) * 2012-03-16 2015-12-16 上海平野磁气有限公司 一种粉末成型压机的等压压制方法和装置
CN106389128A (zh) * 2016-11-25 2017-02-15 青海七彩花生物科技有限公司 一种西药制粒设备
CN108582853A (zh) * 2018-05-02 2018-09-28 何慧敏 一种结核病防治药物制备装置
CN108582853B (zh) * 2018-05-02 2019-07-02 青岛市市立医院 一种结核病防治药物制备装置
CN108929738A (zh) * 2018-08-03 2018-12-04 台州骊威环保科技有限公司 一种利用农业废弃物生产燃料的装置

Also Published As

Publication number Publication date
DE10322228A1 (de) 2004-12-09
US7264763B2 (en) 2007-09-04
EP1479511A3 (fr) 2006-08-02
US20050156347A1 (en) 2005-07-21
CA2467606A1 (fr) 2004-11-18

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