EP0367859A1 - Procédé pour fabriquer des briquettes ayant une stabilité dimensionnelle et presse à briquetter pour la mise en oeuvre du procédé - Google Patents

Procédé pour fabriquer des briquettes ayant une stabilité dimensionnelle et presse à briquetter pour la mise en oeuvre du procédé Download PDF

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Publication number
EP0367859A1
EP0367859A1 EP88118784A EP88118784A EP0367859A1 EP 0367859 A1 EP0367859 A1 EP 0367859A1 EP 88118784 A EP88118784 A EP 88118784A EP 88118784 A EP88118784 A EP 88118784A EP 0367859 A1 EP0367859 A1 EP 0367859A1
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EP
European Patent Office
Prior art keywords
compression
pressed
press
piston
briquetting 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.)
Granted
Application number
EP88118784A
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German (de)
English (en)
Other versions
EP0367859B1 (fr
Inventor
Hans Ruf
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to EP88118784A priority Critical patent/EP0367859B1/fr
Priority to ES88118784T priority patent/ES2051817T3/es
Priority to DE88118784T priority patent/DE3888183D1/de
Priority to AT88118784T priority patent/ATE102123T1/de
Publication of EP0367859A1 publication Critical patent/EP0367859A1/fr
Application granted granted Critical
Publication of EP0367859B1 publication Critical patent/EP0367859B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • 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
    • B30B11/005—Control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3003—Details
    • B30B9/301—Feed means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3078—Presses specially adapted for particular purposes for baling; Compression boxes therefor with precompression means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/32—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars
    • B30B9/327—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars for briquetting scrap metal

Definitions

  • the invention relates to a method for producing dimensionally stable briquettes from chip, fiber, dust or sheet-shaped pressed material by means of a briquetting press in which the pressed material is first fed to a pre-compression piston and pre-compressed by the latter in a receiving chamber and by a pressing piston moved at right angles thereto a molding box is further compressed, and a briquetting press to carry out the method.
  • Such a method and a briquetting press of the generic type are known from DE-PS 33 33 766, the relatively high pressing density and uniformity of the rectangular briquettes being achieved by the pre-compression and main compression taking place at right angles to one another.
  • the briquettes can be stacked well.
  • This briquetting press is operated for a rapid workflow via a sequence control, which detects the piston movements and positions, as well as the pressure exerted by means of pushbuttons, in order to coordinate the movement sequence of the feed, pre-compression, compression, ejection and mold turning device and in each case after the end of a work movement to continue the next one.
  • the pressing capacity that can be achieved with a specific material to be pressed depends primarily on the installed drive power of the briquetting press. If the material to be pressed remains the same and the pressing resistance is known, the most efficient pressing path or piston stroke can be determined by tests for a given drive power and the briquette size can be determined by stops or limit switches.
  • the material to be pressed is easier to deform, the final position and thus the briquette size are easily reached.
  • the pressing density remains relatively low, so that the compact is subject to a relatively low load such as. B. when stacking, can redissolve.
  • the briquette size is reliably achieved with compaction material that is easier to compress, but the installed drive power is not used, while the desired briquette size is not achieved with compaction material that is more difficult to compress.
  • This is particularly disadvantageous in the case of the box pressing method of the generic type, since if the briquettes are too long in the main compression direction at the parting plane to the molding boxes, additional separation and shear energies have to be used.
  • DE-OS 30 38 839 describes a controllable briquetting press according to the extrusion process, the The supply quantity is regulated on the basis of the maximum pressure at the pressing device determined by a push button.
  • the press nozzle cross-section can be adjusted independently to adapt to different press material in order to achieve largely constant compression and strength.
  • the proposed coupling between the press hydraulic motor and the press nozzle can only be used in the case of extrusion presses with reasonable effort.
  • a briquetting extrusion press which, when changing the consistency of the pressed material to avoid briquettes that are too thin, measures the thickness of the briquettes emerging from the press head and adjusts the plunger via a control element.
  • a complex construction of the plunger unit is necessary. A transfer of the scanning of the briquette thickness to a generic box pressing method is inconceivable due to the large number of measurements in a rapid pressing process and very expensive due to the separate scanning of the individual briquettes.
  • the invention is therefore based on the object of achieving the greatest possible compression and, at the same time, uniformity of the briquette size with simple insertion and manufacture for different pressed material.
  • the fluctuations in the material to be pressed can be almost completely compensated for and, at the same time, the intended drive power of the press can be used with high efficiency.
  • the highest possible compression is achieved with the briquette size remaining exactly the same.
  • an automatic adaptation to the respective pressing material is made possible, the detection of which by displacement transducers on pre-compression pistons and / or compression pistons takes place in a simple manner without separate, complex measuring devices.
  • the bale size is advantageously monitored before or during the pressing process and not only after the pressing by separate scanning devices. In this way, very uniform briquettes, particularly suitable for stacking, can be achieved.
  • a briquetting press 1 is shown, which is constructed on a frame 2 shown schematically.
  • the plunger 4 is fastened to tie rods 3 and connected to a counter plate 6 with the interposition of a disc 5 which can be rotated in steps.
  • a reciprocating slide can also be provided with at least two mold boxes, which are moved alternately between the pressing position in the extension of the ram piston path and the ejection position.
  • a plurality of molded boxes 7 are provided in the disk 5, in each of which a briquette 8 is formed and compressed to its final size.
  • the press ram 9 of the press piston 4 has a rectangular shape corresponding to the desired briquette cross section and is pressurized in coordination with the disk 5 and a pre-compressor piston 11.
  • the pre-compression piston 11 has a pre-compression plate 12, which presses the material to be pressed supplied from a feed device 13 into the receiving chamber 10 from above.
  • the feed screw 14 is temporarily driven by a feed motor 15 in its up position, depending on the required feed quantity.
  • an agitator 16 can be provided above the feed screw 14.
  • the material to be pressed is fed to the pre-compression piston 11 via the feed screw 14 by switching on the feed motor 15, so that the receiving chamber 10 and the space above it fill up to a desired height.
  • the pre-compression piston 11 is moved downwards via a sequence control until the pre-compression plate 12 reaches the end position 12 'shown in broken lines.
  • the plunger 4 is actuated by the sequence control known from DE-PS 33 33 766, so that the plunger plunges to the right into the receiving chamber 10 and further compresses the briquette 8 in cooperation with the molding box 7.
  • the disc 5 rotates to the next molding box 7 (or a slide is moved laterally) while the finished compact 8 is released for ejection.
  • the pre-compression piston 16 is moved upwards and a new pressing process is initiated.
  • the finished briquette is simultaneously ejected from the molding chamber 7 of the disk 5, which is offset by 180 °, in synchronism with the pressing movement of the pressing piston 4.
  • displacement transducers 17 on the compression piston are used 4 and displacement transducer 18 are provided on the pre-compression piston 11.
  • These displacement transducers 17 and 18 can both be arranged in closely spaced steps, or can be of stepless design. Likewise, both a contactless and a contact-based design of the displacement sensors 17, 18 are possible.
  • the displacement sensor 17 is designed here as a push-button switch with three stages, so that the end position of the plunger 4 reached in each case can be detected in three end positions.
  • the displacement transducer 18 is provided as an inductive displacement transducer with a comb-like measuring strip 18a which can be moved together with the pre-compression piston 11 and which cooperates with a stationary measuring sensor 18b. Both displacement transducers 17, 18 are connected here to a control unit 19, in particular a programmable logic controller or a microprocessor controller.
  • the displacement sensor system 17 or 18 can alternatively be provided, while the version with displacement transducer systems on both the compression piston 4 and the pre-compression piston 11 represents a particularly advantageous embodiment, since the desired uniformity of the briquettes to be pressed is thereby achieved to a particularly high degree.
  • the control unit 19 is connected on the output side to adjusting elements, in particular a control valve 20 and the feed motor 15.
  • the control valve 20 controls the achievable pre-compression pressure of the pre-compression piston 11.
  • Another way of controlling the pre-compression pressure is to use a pressure sensor 21 in a pressure line 22 to the pre-compression piston 11 to provide, which emits a signal analogous to the hydraulic pressure and thus controls the pressure source, for example a variable displacement pump 23 or the pressure control valve 20.
  • the displacement sensor 18 on the pre-compression piston 11 can at the same time adjust the feed quantity of the feed device by varying the duty cycle or speed of the feed screw 14 to the present pressed material in order to adjust the pre-compression pressure.
  • the quality and the pressing behavior of the respective pressing material is detected by the displacement transducer 18, in which the press-in height which can be achieved against the pressing resistance of the respective pressing material is detected via the measuring bar 18a and the sensor 18b.
  • the feed quantity can thus be changed by shortening or lengthening the feed time or feed speed.
  • the pressure of the precompression piston 11 z. B.
  • the press plate 12 can assume a relatively high end position in its end position, to reach the desired end position in Fig. 1, since the receiving chamber 10 is flush with the direction of movement of the plunger 4 and therefore no additional shear forces occur.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Glanulating (AREA)
EP88118784A 1988-11-11 1988-11-11 Procédé pour fabriquer des briquettes ayant une stabilité dimensionnelle et presse à briquetter pour la mise en oeuvre du procédé Expired - Lifetime EP0367859B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP88118784A EP0367859B1 (fr) 1988-11-11 1988-11-11 Procédé pour fabriquer des briquettes ayant une stabilité dimensionnelle et presse à briquetter pour la mise en oeuvre du procédé
ES88118784T ES2051817T3 (es) 1988-11-11 1988-11-11 Procedimiento para la fabricacion de briquetas con estabilidad de forma y prensa de aglomerados para la realizacion del procedimiento.
DE88118784T DE3888183D1 (de) 1988-11-11 1988-11-11 Verfahren zur Herstellung von formbeständigen Briketts und Brikettierpresse zur Durchführung des Verfahrens.
AT88118784T ATE102123T1 (de) 1988-11-11 1988-11-11 Verfahren zur herstellung von formbestaendigen briketts und brikettierpresse zur durchfuehrung des verfahrens.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88118784A EP0367859B1 (fr) 1988-11-11 1988-11-11 Procédé pour fabriquer des briquettes ayant une stabilité dimensionnelle et presse à briquetter pour la mise en oeuvre du procédé

Publications (2)

Publication Number Publication Date
EP0367859A1 true EP0367859A1 (fr) 1990-05-16
EP0367859B1 EP0367859B1 (fr) 1994-03-02

Family

ID=8199549

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88118784A Expired - Lifetime EP0367859B1 (fr) 1988-11-11 1988-11-11 Procédé pour fabriquer des briquettes ayant une stabilité dimensionnelle et presse à briquetter pour la mise en oeuvre du procédé

Country Status (4)

Country Link
EP (1) EP0367859B1 (fr)
AT (1) ATE102123T1 (fr)
DE (1) DE3888183D1 (fr)
ES (1) ES2051817T3 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0490148A2 (fr) * 1990-12-13 1992-06-17 Lindemann Maschinenfabrik GmbH Procédé et installation de conduite d'une presse à agglomérés
EP0962305A2 (fr) * 1998-06-05 1999-12-08 FUJI MACHINE Mfg. Co., Ltd. Dispositif de compression de copeaux
WO2000063005A1 (fr) * 1999-04-19 2000-10-26 Svedala Lindemann Gmbh Procede de briquetage de copeaux metalliques et presse a briqueter
WO2000076757A1 (fr) * 1999-06-16 2000-12-21 Svedala Lindemann Gmbh Procede pour faire fonctionner une presse a briquettes et presse a briquettes
DE102008038966B3 (de) * 2008-08-13 2009-08-06 Lanner Anlagenbau Gmbh Vorrichtung zum Verpressen von Metallspänen in Metallbriketts
WO2011066977A1 (fr) * 2009-12-03 2011-06-09 Ruf Gmbh & Co. Kg Presse à briqueter et son utilisation
US8726800B2 (en) 2010-08-23 2014-05-20 9177-4331 Québec inc. Method and mechanical press system for the generation of densified cylindrical briquettes
WO2015081924A1 (fr) 2013-12-05 2015-06-11 Bruhnke, Ulrich Procédé et installation permettant de produire des billettes
CN112606464A (zh) * 2020-11-25 2021-04-06 施继良 一种铁屑铜屑压块用液压设备
CN114407421A (zh) * 2021-12-29 2022-04-29 太重（天津）滨海重型机械有限公司 炭素挤压机的智能加料挤压系统和智能加料挤压方法
US12125987B2 (en) 2022-05-16 2024-10-22 Wirtz Manufacturing Company, Inc. Battery grid lead scrap melting apparatus and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1584543A1 (de) * 1964-11-28 1970-03-19 Laeis Werke Ag Selbsttaetige Regelung fuer Formpressen
DE3333766A1 (de) * 1983-09-19 1985-03-28 Hans 8939 Zaisertshofen Ruf Brikettierpresse
FR2578550A1 (fr) * 1985-03-08 1986-09-12 Bonnet Robert Procede de fabrication de briquettes a partir d'elements compressibles et machines pour l'application du procede

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1584543A1 (de) * 1964-11-28 1970-03-19 Laeis Werke Ag Selbsttaetige Regelung fuer Formpressen
DE3333766A1 (de) * 1983-09-19 1985-03-28 Hans 8939 Zaisertshofen Ruf Brikettierpresse
FR2578550A1 (fr) * 1985-03-08 1986-09-12 Bonnet Robert Procede de fabrication de briquettes a partir d'elements compressibles et machines pour l'application du procede

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0490148A2 (fr) * 1990-12-13 1992-06-17 Lindemann Maschinenfabrik GmbH Procédé et installation de conduite d'une presse à agglomérés
EP0490148A3 (en) * 1990-12-13 1994-05-25 Lindemann Maschfab Gmbh Process and apparatus for operating a briquetting press
EP0962305A2 (fr) * 1998-06-05 1999-12-08 FUJI MACHINE Mfg. Co., Ltd. Dispositif de compression de copeaux
EP0962305A3 (fr) * 1998-06-05 2000-08-09 FUJI MACHINE Mfg. Co., Ltd. Dispositif de compression de copeaux
US6272981B1 (en) 1998-06-05 2001-08-14 Fuji Machine Mfg. Co., Ltd. Chip compressing apparatus
WO2000063005A1 (fr) * 1999-04-19 2000-10-26 Svedala Lindemann Gmbh Procede de briquetage de copeaux metalliques et presse a briqueter
US6941860B2 (en) 1999-04-19 2005-09-13 Metso Lindemann Gmbh Method of briquetting metal chips and briquetting press
WO2000076757A1 (fr) * 1999-06-16 2000-12-21 Svedala Lindemann Gmbh Procede pour faire fonctionner une presse a briquettes et presse a briquettes
DE102008038966B3 (de) * 2008-08-13 2009-08-06 Lanner Anlagenbau Gmbh Vorrichtung zum Verpressen von Metallspänen in Metallbriketts
WO2011066977A1 (fr) * 2009-12-03 2011-06-09 Ruf Gmbh & Co. Kg Presse à briqueter et son utilisation
US8726800B2 (en) 2010-08-23 2014-05-20 9177-4331 Québec inc. Method and mechanical press system for the generation of densified cylindrical briquettes
WO2015081924A1 (fr) 2013-12-05 2015-06-11 Bruhnke, Ulrich Procédé et installation permettant de produire des billettes
DE102013020319A1 (de) 2013-12-05 2015-06-11 Ulrich Bruhnke Verfahren und Anlage zur Herstellung von Pressbolzen
DE102013020319B4 (de) * 2013-12-05 2016-05-25 Ulrich Bruhnke Verfahren und Anlage zur Herstellung von Pressbolzen
US10363589B2 (en) 2013-12-05 2019-07-30 Ulrich Bruhnke Method and plant for producing extrusion billets
CN112606464A (zh) * 2020-11-25 2021-04-06 施继良 一种铁屑铜屑压块用液压设备
CN114407421A (zh) * 2021-12-29 2022-04-29 太重（天津）滨海重型机械有限公司 炭素挤压机的智能加料挤压系统和智能加料挤压方法
US12125987B2 (en) 2022-05-16 2024-10-22 Wirtz Manufacturing Company, Inc. Battery grid lead scrap melting apparatus and method

Also Published As

Publication number Publication date
ES2051817T3 (es) 1994-07-01
DE3888183D1 (de) 1994-04-07
EP0367859B1 (fr) 1994-03-02
ATE102123T1 (de) 1994-03-15

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