EP0640015B1 - Dispositif pour le concassage et le refroidissement d'un materiau sortant d'un fourneau - Google Patents

Dispositif pour le concassage et le refroidissement d'un materiau sortant d'un fourneau Download PDF

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Publication number
EP0640015B1
EP0640015B1 EP94911190A EP94911190A EP0640015B1 EP 0640015 B1 EP0640015 B1 EP 0640015B1 EP 94911190 A EP94911190 A EP 94911190A EP 94911190 A EP94911190 A EP 94911190A EP 0640015 B1 EP0640015 B1 EP 0640015B1
Authority
EP
European Patent Office
Prior art keywords
crushing
crushing elements
crusher
cooler
arrangement
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
EP94911190A
Other languages
German (de)
English (en)
Other versions
EP0640015A1 (fr
Inventor
Hartmut Meyer
Günther Koeberer
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.)
Claudius Peters AG
Original Assignee
BMH Claudius Peters 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 BMH Claudius Peters AG filed Critical BMH Claudius Peters AG
Publication of EP0640015A1 publication Critical patent/EP0640015A1/fr
Application granted granted Critical
Publication of EP0640015B1 publication Critical patent/EP0640015B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details

Definitions

  • the invention relates to an arrangement for breaking and Cooling the material emerging from a kiln, in which the Crushers in the hot area preferably immediately after the furnace is located in the Gutweg in front of the cooler and only protrudes into part of the cross section of the radiator inlet shaft, while the other part for the cooling air flow from the cooler to the oven is free.
  • the invention has recognized that the maintenance problem arises particularly easy with an arrangement of the type mentioned can be solved by using a crusher that looks like a Roll breaker comprises a plurality of roller-shaped breaking elements, if they fly outside of the good path according to the invention are stored and protrude into the Gutweg.
  • This arrangement has the advantage that the storage facilities as such the high temperature of the application area are not exposed. As a result, the need for maintenance is on the storage facilities less and the maintenance can so far can also often be carried out without interrupting operations. If the crushing elements themselves require maintenance, they can simply withdrawn individually with their storage facilities and serviced or replaced. Since the entire crusher is made from one A plurality of roller-shaped crushing elements is formed, suffers only part of the crusher is an interruption in operation, which is therefore tolerable in many cases. In addition, by appropriate choice of the direction of rotation of those crushing elements that are adjacent to the retracted crushing element be that through the withdrawal of this crushing element As little material as possible falls through the resulting crusher gap.
  • the crushing element with a bridging element before it is withdrawn the bridging element being, for example can be roof-shaped, the kiln to derives the neighboring crusher elements.
  • the roller-shaped crushing elements can be conventional Crushing rollers act as they are known for roller crushers. Since the crushed material coming from the furnace is usually not hard and is brittle, as is the usual application of roller crushers corresponds, but dough tough to crumbly, can the crushing elements adapted to the nature of the material to be crushed also be trained differently. For example, they can be smooth be or radially projecting, interlocking spines or have cutting edges.
  • roller-shaped Elements from which side they are in the May extend area, together a cross-sectional area cover the entire sub-area of the radiator inlet covers within which with the occurrence of to breaking goods must be expected. If with the occurrence of coarse material, only in part of the total of the good enforced partial cross-section of the radiator inlet shaft must be enough, the rollers in this section to provide. This may be the case when using Rotary tube furnaces, in which the coarse material is preferred on one side falls off. Likewise, this can be the case where through upstream sieves or the like the fines from that too crushing coarse material is separated and only the latter the crusher is forwarded.
  • the Gutweg in which the There are crushing elements, for example from the inlet shaft of the cooler can be formed by the area in which the storage facilities of the crushing elements are separated by a partition or shield. This has openings for the axial passage of the crushing elements are of sufficient size. It is not necessary, that these openings are always open in that size are when pushing the crushing elements into the Gutweg or when withdrawing the same is required. Rather you can Filler pieces are provided, which have the opening cross-section during operation to the scope of the crushing element or one of that Close the shaft carrying the crushing element.
  • the storage facilities are equipped with facilities for moving in Provide the longitudinal direction of the crushing elements, for example with Rollers and rails. It can be rails or other funding be connected to the rapid removal of a defective one Allow aggregate and the introduction of a replacement aggregate.
  • Each comprising a crushing element and a storage device The unit also expediently closes the associated one Drive, consisting of motor and gearbox, so that in In the event of a break in operation of a crushing element, the downtime is not increased by the fact that before withdrawing or after the advancement still special connection work required are.
  • the inclination of the crushing elements is expedient adjustable in the horizontal direction, preferably during of operation. On the one hand, this allows a uniform Distribution of the crushed material promoted over the length of the crushing elements and on the other hand the overflow of unbroken goods the ends of the crushing elements can be avoided. This can also an adjustability of the crushing elements in their longitudinal direction be helpful. This can easily be achieved in that the crushing elements protrude more or less far into the Gutweg.
  • the crushing elements can also be in their transverse direction be agile.
  • this can be used to adjust the crusher gap serve in the sense that different transverse positions the crusher are permanently adjustable. It can also do so serve to temporarily widen the crushing gap to include hard, to let large objects through.
  • This extension can be a passive evasive movement due to the crushing resistance the foreign body against a resilient force (spring force, pneumatic etc.) takes place. It can also be actively controlled be. If only a pair of crushing rollers or the outermost Rolls of a roll group are affected, the evasive movement be provided in the horizontal direction. With a between other crushing rollers arranged crushing roller would be the extension of a crushing gap at the expense of the other what is often not permitted. In these cases, the evasive movement be provided vertically.
  • the proportion of coarse and oversize grains to be subjected to the breaking effect is relatively low, namely below 10%.
  • the vast majority of the material falls through the crushing elements unbroken.
  • a relatively low speed of the crushing elements which is generally below 100min -1, preferably below 30min -1 .
  • the speed of the crushing rollers is expediently adjustable, preferably independently of one another, so that the crusher operation can be adapted to the respective good properties. It should therefore be possible to increase the speed considerably above the normal speed range, for example up to around 200min -1 .
  • the direction of rotation of the rollers is also expediently reversible, because this can influence the distribution of the furnace discharge to the individual crushing rollers and thus also to the width of the cooler bed located underneath.
  • FIG. 1 shows a clinker cooler 1 with a cooling grate 2 which the bed 3 of the goods to be cooled moves in the direction of the arrow.
  • the cooler is preceded by a rotary kiln 4, the Discharge end in the inlet shaft 5 of the cooler and that Firing material in the area shown on the left in the drawing of the inlet shaft 5 throws off, while in the right, free Area - as indicated by arrows - that flows through the cooler having air flows to the rotary kiln 4 as secondary air.
  • the crusher 6 comprises several crushing rollers 7, which together the entire cross section of the drop area of the inlet chute 5 arranged next to each other to fill are, each with a nip 8 left between them is the size of the desired grain size of the Brennguts is determined. Fall when burning cement clinker for example 95% of the firing material with the desired fine grain size under 25mm. Another 5% consist of coarse grain (25-100mm) and oversize (over 100mm) together. The coarse and oversize grain is to break to the desired dimensions while the greater part of the grain can pass through unbroken.
  • Each crushing roller 7 is connected to a flange connection 9 Crusher shaft 10 held by a bearing device 11 is overhung, with gear 12 and motor 13 on the Machine frame 14 forms a unitary unit.
  • the frame 14 is provided with suitable devices that allow him in the longitudinal direction of the crushing roller 7 on a pair of rails 15 to move, at least so far that the Crushing roller on the one hand the operating position shown in Fig. 2 can take up inside the inlet shaft 5 and on the other hand can be completely withdrawn from on the Stage on which the rails 15 are provided, serviced or to be able to be exchanged.
  • the mobility of the unit along the rails 15 gives also the possibility of the longitudinal adjustment of the crushing roller 7 within to determine the inlet area 5 in a suitable manner.
  • devices can be provided which allow the inclination of the crushing roller in relation to the horizontal direction to adjust in the direction of arrow 16 to thereby to influence the longitudinal distribution of the material on the crushing roller.
  • the direction of rotation of the crushing rollers can be selected in this way, for example are, as indicated by arrows in Fig. 3, whereby three pairs of one crushing gap each enclosing crushing rollers.
  • the direction of rotation also be chosen differently, especially around the distribution of the crushed material over the crushing rollers or on the one below Affect radiator bed. Can do the same also a different speed control of the individual Crushing rollers are used.
  • the direction of rotation can also be regular change.
  • Fig. 4 shows a crushing roller arrangement similar to Fig. 3, at but this on a deeper level and according to the Smaller number of inlet chute available are.
  • top row of which is a larger one Roller spacing to break very large pieces, which are then further shredded on the lower level.
  • the roller gap can be adapted to changing operating conditions the top row can be adjustable.
  • FIG. 6 and 7 illustrate an embodiment in which the crushing rollers from opposite sides into the inlet shaft protrude into it.
  • This can be a relatively large Cross-sectional area and width covered with crushing elements whose effective length is only about half to be covered Cross-sectional width corresponds.
  • the crushing rollers are from the inside with a liquid or gaseous Coolant acts on it on a beneficial Temperature.
  • the crushing rollers heat dissipate from the goods to be cooled by contact and heat conduction.
  • the large-scale expansion of the whole the crushing elements is a peculiarity of the invention Solution.
  • the resulting effective participation in Radiant heat exchange with the good is therefore an additional one Advantage of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Processing Of Solid Wastes (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Tunnel Furnaces (AREA)
  • Disintegrating Or Milling (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Claims (9)

  1. Dispositif pour concasser et refroidir des matériaux venant d'un four de calcinage (4) où le concassseur (6) dans la zone chaude est situé de préférence juste derrière le four dans la voie des matériaux devant le refroidisseur (1) et n'entre que dans une partie de la coupe transversale de l'entrée du refroidisseur pendant que l'autre partie est libre pour le flux de l'air de refroidissement du refroidisseur (1) vers le four (4), caractérisé par le fait que le concasseur (6) a plusieurs éléments de concassage (7) cylindriques menant dans la voie des matériaux (5). qui peuvent être retenus du voie des matériaux en raison du logement mobile dans des unités de logement (11) déplaçable.
  2. Dispositif selon demande 1, caractérisé par le fait que les unités de logement (11) sont déplaçables en direction longitudinal avec leurs éléments de concassage (7) correspondants.
  3. Dispositif selon demande 1 ou 2, caractérisé par le fait que l'inclinaison (16) des éléments de concassage (7) par rapport à la direction horizontale est ajustable de préférence lors du fonctionnement.
  4. Dispositif selon l'une des demandes 1 à 3, caractérisé par le fait que les éléments de concassage (7) sont à fixer en position longitudinal différente.
  5. Dispositif selon l'une des demandes 1 à 4, caractérisé par le fait que si on utilise un four rotatif (4) la plus grande partie des éléments de concassage (7) se trouve sur la partie d'entrée du refroidisseur (5) oú le refus supérieur s'accumule principalement.
  6. Dispositif selon l'une des demandes 1 à 5, caractérisé par le fait que la vitesse de rotation des éléments de concassage (7) est normalement inférieur à 30 min-1.
  7. Dispositif selon l'une des demandes 1 à 6, caractérisé par le fait que la vitesse de rotation des éléments de concassage est ajustable, si nécessaire, chaque élément individuellement
  8. Dispositif selon l'une des demandes 1 à 7, caractérisé par le fait que la direction de rotation des éléments de concassage (7) est ajustable.
  9. Dispositif selon l'une des demandes 1 à 8, caractérisé par le fait qu'un élément de concassage ou plusieurs éléments de concassage est/sont mobile(s) en direction transversal.
EP94911190A 1993-03-19 1994-03-18 Dispositif pour le concassage et le refroidissement d'un materiau sortant d'un fourneau Expired - Lifetime EP0640015B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9304122U 1993-03-19
DE9304122U DE9304122U1 (de) 1993-03-19 1993-03-19 Anordnung zum Brechen und Kühlen des aus einem Brennofen austretenden Guts
PCT/EP1994/000855 WO1994021381A1 (fr) 1993-03-19 1994-03-18 Dispositif pour le concassage et le refroidissement d'un materiau sortant d'un fourneau

Publications (2)

Publication Number Publication Date
EP0640015A1 EP0640015A1 (fr) 1995-03-01
EP0640015B1 true EP0640015B1 (fr) 1998-05-20

Family

ID=6890899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94911190A Expired - Lifetime EP0640015B1 (fr) 1993-03-19 1994-03-18 Dispositif pour le concassage et le refroidissement d'un materiau sortant d'un fourneau

Country Status (8)

Country Link
US (1) US5580005A (fr)
EP (1) EP0640015B1 (fr)
JP (1) JPH08500769A (fr)
AT (1) ATE166253T1 (fr)
DE (2) DE9304122U1 (fr)
DK (1) DK0640015T3 (fr)
ES (1) ES2117786T3 (fr)
WO (1) WO1994021381A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013113865A1 (de) * 2013-12-11 2015-06-11 Thyssenkrupp Ag Schüttgutkühler und Verfahren zum Kühlen von Schüttgut

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0919641A (ja) * 1995-07-04 1997-01-21 Satake Eng Co Ltd 製粉機
DE19805137A1 (de) * 1998-02-09 1999-08-12 Krupp Polysius Ag Walzenmühle
DE29808963U1 (de) * 1998-05-20 1998-10-01 Krupp Fördertechnik GmbH, 45143 Essen Vorrichtung zur Verhinderung der Bildung von Verstopfungen am Abwurf von Rosten durch großstückige Materialteile
AU2005232302B2 (en) * 2005-02-14 2011-08-18 Konami Australia Pty Ltd Gaming Machine with runs of symbols
DE102006005017B3 (de) 2006-02-03 2007-10-18 ThyssenKrupp Fördertechnik GmbH Mehrwalzenbrecher

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2539775A (en) * 1947-06-07 1951-01-30 Comb Eng Superheater Inc Quick opening cage mill
DE926338C (de) * 1950-11-26 1955-04-14 Alfred Steuber Gehaeuse fuer Walzenstuehle
DE928138C (de) * 1953-02-01 1955-05-26 Heinrich Griesel Salbenwalzwerk
DE1057417B (de) * 1956-10-02 1959-05-14 Dampferzeuger Veb Schlagradmuehle
US3633889A (en) * 1970-01-21 1972-01-11 Walter & Cie Ag Cooling arrangement for the product of rotary furnaces
DE2747732C3 (de) * 1977-06-10 1982-04-22 Taškentskij naučno-issledovatel'skij i proektnyj institut stroitel'nych materialov NIISTROMPROEKT, Taškent Verfahren zur Herstellung von Zement
US4630781A (en) * 1984-07-11 1986-12-23 T.J. Gundlach Machine Company Apparatus and method for removing crushing rolls from a crushing apparatus
DE3738755A1 (de) * 1987-10-29 1989-06-01 Didier Eng Verfahren und anlage zum waermen von brammen, bloecken, knueppeln, blechen, stahlbaendern und dergleichen waermgut
DE4124878A1 (de) * 1991-06-05 1992-12-10 Peters Ag Claudius Brecheranordnung bei einem klinkerkuehler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013113865A1 (de) * 2013-12-11 2015-06-11 Thyssenkrupp Ag Schüttgutkühler und Verfahren zum Kühlen von Schüttgut

Also Published As

Publication number Publication date
WO1994021381A1 (fr) 1994-09-29
DE9304122U1 (de) 1994-07-28
ES2117786T3 (es) 1998-08-16
JPH08500769A (ja) 1996-01-30
EP0640015A1 (fr) 1995-03-01
DE59405994D1 (de) 1998-06-25
DK0640015T3 (da) 1999-03-08
ATE166253T1 (de) 1998-06-15
US5580005A (en) 1996-12-03

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