WO2009083005A1 - Roller breaker - Google Patents
Roller breaker Download PDFInfo
- Publication number
- WO2009083005A1 WO2009083005A1 PCT/DE2009/000002 DE2009000002W WO2009083005A1 WO 2009083005 A1 WO2009083005 A1 WO 2009083005A1 DE 2009000002 W DE2009000002 W DE 2009000002W WO 2009083005 A1 WO2009083005 A1 WO 2009083005A1
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- WIPO (PCT)
- Prior art keywords
- roll crusher
- crushing
- crushing rollers
- crushing roller
- nip
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- 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.)
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Classifications
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- 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
- B02C4/42—Driving mechanisms; Roller speed control
- B02C4/423—Driving mechanisms; Roller speed control with vibrating or oscillating mechanisms
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- 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
Definitions
- the invention relates to a roll crusher according to the preamble of claim 1.
- Roll crushers are a special type of crushers. They are optimally suited for soft, brittle and medium-hard materials as well as for caking, moist, plastic and wet raw materials. It is known to break limestone, marl, stones with earth, gypsum, bauxite, kaolin, shale, coal, ore, slag, waste, asphalt, demolition, glass and ceramic by means of roll crushers.
- Known roll crushers comprise two horizontally arranged, counter-rotating slowly rotating rolls, wherein the material to be crushed, also referred to below as crushing material, is placed in the middle.
- rollers are fixed, while the other is movable and is mounted as an overload protection hydraulically or resiliently.
- the degree of comminution can be adjusted by changing the nip.
- the rollers may be smooth, provided with rings and cams or with so-called picks, namely pyramid teeth.
- the invention is therefore the object of further developing generic roll crusher so that even fine crushed material can be further broken.
- This object is achieved in a roll crusher according to the preamble of claim 1, characterized in that means are provided which enable at least one of the crushing rollers to vibrate.
- a further development of the invention provides that the crushing rollers are driven in rotation in opposite directions, wherein the crushing rollers rotate towards the nip in order to transport crushed material to the nip.
- two crushing rollers are provided, wherein one crushing roller is fixed, so does not vibrate, and the other crushing roller vibrates.
- the fixed crushing roller acts like an anvil, while the vibrating crushing roller virtually forms the anvil hammer.
- a development of the invention provides that the non-vibrating crushing roller is rotationally driven to transport the material to be crushed in the nip, while the vibrating crushing roller is not rotationally driven.
- a development of the invention provides that three or more crushing rollers are provided, wherein a crushing roller is fixed, so does not vibrate, and swing the other crushing rollers against the one crushing roller.
- the non-vibrating crushing roller rotates to transport the material to be crushed into the nip while the vibrating crushing rollers do not rotate.
- a development of the invention provides that the nip between the first oscillating crushing roller and the fixed crushing roller is greater than the nip between the second vibrating crushing roller and the fixed crushing roller and so on, wherein the first vibrating crushing roller is the one which is associated with the Bulk material comes into contact first.
- a further development of the invention provides that the first nip is 0.5 to 0.75 mm, preferably 0.2 to 0.45 mm, wide and the second nip 0.2 to 0.45 mm, preferably 0.1 to 0 , 25 mm, is wide.
- the speed of the crushing rollers is preferably infinitely variable. It is desirable to have the lowest possible speed so as not to lead the material to be broken too quickly out of the nip through the or partially broken material.
- An advantageous embodiment of the invention provides that the means are such that at least one of the crushing rollers is placed in horizontal, vertical, circular and / or ellipsenförrmige oscillations.
- the crushing rollers are arranged vertically one above the other or preferably horizontally next to each other.
- a development of the invention provides that the crushing rollers are smooth.
- the nip between the crushing rollers is adjustable in width. It has been found that a nip of less than 0.5 mm, preferably less than 0.25 mm, not only has a positive effect on the degree of comminution of the crushed material, but at the same time greatly reduces the noise pollution caused by the vibrations in the overall system.
- An advantageous embodiment of the invention provides that the vibrations are such that the crushing rollers beat each other, preferably not rub against each other.
- the advantage of this embodiment is the fact that the crushing rollers are so surprisingly protected from wear.
- a development of the invention provides that at least one of the crushing rollers is pressed under pretension against the other crushing roller.
- the bias has the advantage that an even better degree of comminution is achieved when the roll crusher is put into operation.
- the crushing rollers scrapers and / or brushes are assigned. These advantageously remove the already crushing crushed material from the crushing rollers.
- a development of the invention provides that the means are such that at least one of the crushing rollers in 1400 to 1800, preferably more than 3000, preferably up to 4500 oscillations per minute is added.
- the means comprise at least one rotating eccentric, which sets the crushing roller in vibration.
- the rotating eccentric has a stroke of 0.5 mm, preferably of 0.25 mm or less.
- the amplitude and / or vibration of the vibrating crushing roller is advantageously adjustable.
- the invention relates to a roll crusher arrangement having two or more roller crushers arranged one behind the other, preferably one below the other, according to one of claims 1 to 17.
- a development of the invention provides that a screening device is arranged between the roll crushers, such that residues, ie those which do not pass through the sieve, can be fed to the following roll crusher.
- the screening device here is preferably a mesh screen with a hole width of 0.25 mm.
- the invention further relates to the use of the roll crusher according to the invention for breaking crushed material such as fine minerals and / or minerals, preferably those having a diameter of up to 5 mm, preferably up to 2 mm.
- the invention relates to the use of broken by means of a roll crusher invention mineral fines for the construction industry, especially for the production of concrete, preferably as a filler or cement substitute.
- FIG. 1 is a schematic representation of a roll crusher with two horizontally arranged crushing rollers, wherein a crushing roller oscillates horizontally
- Fig. 2 is a schematic representation of a roll crusher with two vertically arranged crushing rollers, wherein a crushing roller vibrates vertically and
- Fig. 3 is a schematic side view of a roll crusher with two horizontally arranged crushing rollers, wherein a crushing roller is offset by an eccentric in horizontal vibration.
- FIG. 1 and 2 show a schematic representation of a roll crusher 10 with two smooth crushing rollers 14 and 16.
- the crushing rollers 14, 16 are arranged horizontally next to each other, while in Fig. 2, the crushing rollers 14, 16 are arranged vertically one above the other.
- the crushing rollers 14, 16 are driven in opposite directions, which is illustrated by the direction of rotation arrows 30.
- the roller crusher 10 comprises means not shown here, in order to cause the crushing roller 16 to oscillate or vibrate in the present case.
- the crushing roller 16 is set in horizontal vibration
- the crushing roller 16 is set in vertical vibration.
- the directions of vibration are shown by the arrows 32.
- the nip 18 between the crushing rollers 14, 16 is adjustable in width to obtain the desired fineness of the crushed crushed material.
- scrapers 20 and brushes 22 are scrapers 20 and brushes 22, as shown in Fig. 1, or only scraper 20, as shown in Fig. 2, provided to broken fines material, which optionally adheres to the crushing rollers 14, 16, of these 14, 16 to solve.
- the earth-moist crushed material 12 is fed via a hopper 34 to a metering chute 26 which evenly meters the crushed material 12 into the nip 18.
- Fig. 3 shows a schematic side view of a roll crusher 10 with two horizontally and mutually parallel crushing rollers 14, 16, wherein the one crushing roller 16 is offset by an eccentric 24 via a, known to those skilled in the so-called jumping jack 38 in a circular oscillation.
- the eccentric shaft is driven by a further motor 40 here.
- the crushing roller 14, however, is fixed.
- the crushing rollers 14, 16 themselves are smooth, and are driven by variably adjustable motors 36 in opposite directions, represented by the direction of rotation arrows 30.
- the width of the nip 18 is adjustable via a threaded rod 42, through which the crushing roller 16 is horizontally displaceable.
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- Crushing And Grinding (AREA)
Abstract
Description
Walzenbrecher roll crusher
Die Erfindung betrifft einen Walzenbrecher nach dem Oberbegriff des Anspruchs 1.The invention relates to a roll crusher according to the preamble of claim 1.
Walzenbrecher stellen eine spezielle Bauart von Brechern dar. Sie sind optimal geeignet für weiche, brüchige und mittelharte Materialien als auch für anbackende, feuchte, plastische und nasse Rohstoffe. So ist bekannt, Kalkstein, Mergel, Steine mit Erde, Gips, Bauxit, Kaolin, Schiefer, Kohle, Erz, Schlacke, Abfall, Asphaltaufbruch, Abbruchmaterial, Glas und Keramik mittels Walzenbrechern zu brechen.Roll crushers are a special type of crushers. They are optimally suited for soft, brittle and medium-hard materials as well as for caking, moist, plastic and wet raw materials. It is known to break limestone, marl, stones with earth, gypsum, bauxite, kaolin, shale, coal, ore, slag, waste, asphalt, demolition, glass and ceramic by means of roll crushers.
Bekannte Walzenbrecher umfassen zwei horizontal angeordnete, sich gegenläufig langsam drehende Walzen, wobei das zu brechende Material, im nachfolgenden auch Brechgut genannt, mittig aufgegeben wird.Known roll crushers comprise two horizontally arranged, counter-rotating slowly rotating rolls, wherein the material to be crushed, also referred to below as crushing material, is placed in the middle.
Üblicherweise steht eine Walze fest, während die andere verfahrbar ist und als Überlastschutz hydraulisch oder federnd gelagert ist. Der Zerkleinerungsgrad kann eingestellt werden, indem der Walzenspalt verändert wird. Die Walzen können glatt sein, mit Ringen und Nocken oder mit so genannten Picks, nämlich Pyramidenzähnen, versehen sein.Usually, one roller is fixed, while the other is movable and is mounted as an overload protection hydraulically or resiliently. The degree of comminution can be adjusted by changing the nip. The rollers may be smooth, provided with rings and cams or with so-called picks, namely pyramid teeth.
Bekannte Walzenbrecher sind nicht in der Lage, Brechgut mit einem Durchmesser bis 2 mm weiter zu brechen.Known roll crushers are not able to break crushing material with a diameter up to 2 mm on.
Ausgehend von diesem Stand der Technik liegt der Erfindung daher die Aufgabe zugrunde, gattungsgemäße Walzenbrecher derart weiterzuentwickeln, dass auch feines Brechgut weiter gebrochen werden kann. Diese Aufgabe wird bei einem Walzenbrecher nach dem Oberbegriff des Anspruchs 1 dadurch gelöst, dass Mittel vorgesehen sind, die wenigstens eine der Brechwalzen in Schwingungen versetzen.Based on this prior art, the invention is therefore the object of further developing generic roll crusher so that even fine crushed material can be further broken. This object is achieved in a roll crusher according to the preamble of claim 1, characterized in that means are provided which enable at least one of the crushing rollers to vibrate.
Durch diese Schwingungen ist es möglich, feines Brechgut in feinstes Material zu brechen. Unter feinstes Material bzw. Feinstmaterial wird hierbei solches mit einem Korndurchmesser von bis zu 0,5 mm, vorzugsweise bis zu 0,25 mm verstanden. Durch die Schwingungen bzw. die dadurch zusätzlich auf das feine Brechgut aufgebrachte Kraft ist erstmals eine noch weitere Zerkleinerung, Brechung bzw. Zermahlung des feinen Brechguts mittels eines Walzenbrechers möglich.By these vibrations, it is possible to break fine crushed material in the finest material. Under finest material or ultrafine material is understood here as having a grain diameter of up to 0.5 mm, preferably up to 0.25 mm. As a result of the vibrations or the force additionally applied to the fine crushed material, for the first time still further comminution, refraction or grinding of the fine crushed material by means of a roll crusher is possible.
Eine Weiterbildung der Erfindung sieht vor, dass die Brechwalzen gegenläufig drehend antreibbar sind, wobei die Brechwalzen zum Walzenspalt hin rotieren, um Brechgut zum Walzenspalt zu transportieren.A further development of the invention provides that the crushing rollers are driven in rotation in opposite directions, wherein the crushing rollers rotate towards the nip in order to transport crushed material to the nip.
Vorzugsweise sind zwei Brechwalzen vorgesehen, wobei eine Brechwalze fest steht, also nicht schwingt, und die andere Brechwalze schwingt. Die fest stehende Brechwalze wirkt hierbei quasi wie ein Amboss, während die schwingende Brechwalze quasi den Ambosshammer bildet.Preferably, two crushing rollers are provided, wherein one crushing roller is fixed, so does not vibrate, and the other crushing roller vibrates. The fixed crushing roller acts like an anvil, while the vibrating crushing roller virtually forms the anvil hammer.
Eine Weiterbildung der Erfindung sieht vor, dass die nicht schwingende Brechwalze drehend antreibbar ist, um das zu brechende Gut in den Walzenspalt zu transportieren, während die schwingende Brechwalze nicht drehend antreibbar ist.A development of the invention provides that the non-vibrating crushing roller is rotationally driven to transport the material to be crushed in the nip, while the vibrating crushing roller is not rotationally driven.
Eine Weiterbildung der Erfindung sieht vor, dass drei oder mehr Brechwalzen vorgesehen sind, wobei eine Brechwalze fest steht, also nicht schwingt, und die anderen Brechwalzen gegen die eine Brechwalze schwingen. Vorzugsweise dreht die nicht schwingende Brechwalze, um das zu brechende Gut in die Walzenspalte zu transportieren, während die schwingenden Brechwalzen nicht drehen.A development of the invention provides that three or more crushing rollers are provided, wherein a crushing roller is fixed, so does not vibrate, and swing the other crushing rollers against the one crushing roller. Preferably, the non-vibrating crushing roller rotates to transport the material to be crushed into the nip while the vibrating crushing rollers do not rotate.
Eine Weiterbildung der Erfindung sieht vor, dass der Walzenspalt zwischen der ersten schwingenden Brechwalze und der feststehenden Brechwalze größer ist als der Walzenspalt zwischen der zweiten schwingenden Brechwalze und der feststehenden Brechwalze und so weiter, wobei mit der ersten schwingenden Brechwalze diejenige bezeichnet ist, die mit dem Brechgut zuerst in Kontakt kommt.A development of the invention provides that the nip between the first oscillating crushing roller and the fixed crushing roller is greater than the nip between the second vibrating crushing roller and the fixed crushing roller and so on, wherein the first vibrating crushing roller is the one which is associated with the Bulk material comes into contact first.
Eine Weiterbildung der Erfindung sieht vor, dass der erste Walzenspalt 0,5 bis 0,75 mm, vorzugsweise 0,2 bis 0,45 mm, breit und der zweite Walzenspalt 0,2 bis 0,45 mm, vorzugsweise 0,1 bis 0,25 mm, breit ist.A further development of the invention provides that the first nip is 0.5 to 0.75 mm, preferably 0.2 to 0.45 mm, wide and the second nip 0.2 to 0.45 mm, preferably 0.1 to 0 , 25 mm, is wide.
Als besonders vorteilhaft hat sich herausgestellt, wenn der Durchmesser der schwingenden Brechwalzen kleiner ist als der Durchmesser der feststehenden Brechwalze.It has proven to be particularly advantageous if the diameter of the oscillating crushing rollers is smaller than the diameter of the fixed crushing roller.
Die Drehzahl der Brechwalzen ist vorzugsweise stufenlos regelbar. Gewünscht ist eine möglichst geringe Geschwindigkeit, um das zu brechende Gut nicht zu schnell durch den bzw. dass erst teilweise gebrochene Gut nicht zu schnell aus dem Walzenspalt zu führen.The speed of the crushing rollers is preferably infinitely variable. It is desirable to have the lowest possible speed so as not to lead the material to be broken too quickly out of the nip through the or partially broken material.
Eine vorteilhafte Ausgestaltung der Erfindung sieht vor, dass die Mittel derart sind, dass wenigstens eine der Brechwalzen in horizontale, vertikale, kreis- und/oder ellipsenförrmige Schwingungen versetzt wird.An advantageous embodiment of the invention provides that the means are such that at least one of the crushing rollers is placed in horizontal, vertical, circular and / or ellipsenförrmige oscillations.
Zweckmäßigerweise sind die Brechwalzen vertikal übereinander oder bevorzugt horizontal nebeneinander angeordnet. Eine Weiterbildung der Erfindung sieht vor, dass die Brechwalzen glatt ausgebildet sind.Conveniently, the crushing rollers are arranged vertically one above the other or preferably horizontally next to each other. A development of the invention provides that the crushing rollers are smooth.
Es hat sich als besonders vorteilhaft herausgestellt, dass zwei Brechwalzen vorgesehen sind, wobei eine Brechwalze fest steht und die andere Brechwalze schwingt.It has been found to be particularly advantageous that two crushing rollers are provided, one crushing roller is fixed and the other crushing roller vibrates.
Vorzugsweise ist der Walzenspalt zwischen den Brechwalzen in seiner Breite einstellbar. Es hat sich herausgestellt, dass ein Walzenspalt kleiner 0,5 mm, vorzugsweise kleiner 0,25 mm, sich nicht nur positiv auf den Zerkleinerungsgrad des Brechguts auswirkt, sondern gleichzeitig die Lärmbelästigung, welche durch die Schwingungen im Gesamtsystem hervorgerufen wird, stark reduziert.Preferably, the nip between the crushing rollers is adjustable in width. It has been found that a nip of less than 0.5 mm, preferably less than 0.25 mm, not only has a positive effect on the degree of comminution of the crushed material, but at the same time greatly reduces the noise pollution caused by the vibrations in the overall system.
Eine vorteilhafte Ausgestaltung der Erfindung sieht vor, dass die Schwingungen derart sind, dass die Brechwalzen zueinander schlagen, vorzugsweise nicht aneinander reiben. Der Vorteil dieser Ausgestaltung ist darin zu sehen, dass die Brechwalzen so erstaunlicherweise vor Verschleiß geschützt werden.An advantageous embodiment of the invention provides that the vibrations are such that the crushing rollers beat each other, preferably not rub against each other. The advantage of this embodiment is the fact that the crushing rollers are so surprisingly protected from wear.
Eine Weiterbildung der Erfindung sieht vor, dass wenigstens eine der Brechwalzen unter Vorspannung gegen die andere Brechwalze gedrückt ist. Die Vorspannung hat den Vorteil, dass ein noch besserer Zerkleinerungsgrad erreicht wird, wenn der Walzenbrecher in Betrieb genommen wird.A development of the invention provides that at least one of the crushing rollers is pressed under pretension against the other crushing roller. The bias has the advantage that an even better degree of comminution is achieved when the roll crusher is put into operation.
Vorzugsweise sind den Brechwalzen Abstreifer und/oder Bürsten zugeordnet. Diese entfernen vorteilhaft das bereits zerkleinernde Brechgut von den Brechwalzen. Eine Weiterbildung der Erfindung sieht vor, dass die Mittel derart sind, dass wenigstens eine der Brechwalzen in 1400 bis 1800, vorzugsweise mehr als 3000, vorzugsweise bis 4500 Schwingungen pro Minute versetzt wird.Preferably, the crushing rollers scrapers and / or brushes are assigned. These advantageously remove the already crushing crushed material from the crushing rollers. A development of the invention provides that the means are such that at least one of the crushing rollers in 1400 to 1800, preferably more than 3000, preferably up to 4500 oscillations per minute is added.
Es hat sich als besonders vorteilhaft erwiesen, dass die Mittel wenigstens einen rotierenden Exzenter umfassen, der die Brechwalze in Schwingungen versetzt.It has proved to be particularly advantageous that the means comprise at least one rotating eccentric, which sets the crushing roller in vibration.
Als besonders vorteilhaft hat sich erwiesen, wenn der rotierende Exzenter einen Hub von 0,5 mm, vorzugsweise von 0,25 mm oder weniger aufweist.It has proven particularly advantageous if the rotating eccentric has a stroke of 0.5 mm, preferably of 0.25 mm or less.
Die Amplitude und/oder Schwingungsstärke der schwingenden Brechwalze ist vorteilhaft einstellbar.The amplitude and / or vibration of the vibrating crushing roller is advantageously adjustable.
Außerdem betrifft die Erfindung eine Walzenbrecheranordnung mit zwei oder mehreren hintereinander, vorzugsweise untereinander angeordneten Walzenbrechern nach einem der Ansprüche 1 bis 17.Moreover, the invention relates to a roll crusher arrangement having two or more roller crushers arranged one behind the other, preferably one below the other, according to one of claims 1 to 17.
Einer Weiterbildung der Erfindung sieht vor, dass zwischen den Walzenbrechern eine Siebvorrichtung angeordnet ist, derart, dass Rückstände, also solche, die das Sieb nicht passieren, dem nachfolgenden Walzenbrecher zuführbar sind.A development of the invention provides that a screening device is arranged between the roll crushers, such that residues, ie those which do not pass through the sieve, can be fed to the following roll crusher.
Die Siebvorrichtung ist hierbei vorzugsweise ein Maschensieb mit einer Lochweite von 0,25 mm ist.The screening device here is preferably a mesh screen with a hole width of 0.25 mm.
Die Erfindung betrifft ferner die Verwendung des erfindungsgemäßen Walzenbrechers zum Brechen von Brechgut wie Feinmineralien und/oder Mineralien, vorzugsweise von solchen mit einem Durchmesser bis 5 mm, bevorzugt bis 2 mm.The invention further relates to the use of the roll crusher according to the invention for breaking crushed material such as fine minerals and / or minerals, preferably those having a diameter of up to 5 mm, preferably up to 2 mm.
Es hat sich als vorteilhaft herausgestellt, wenn das Brechgut erdfeucht, dosiert und gleichmäßig über eine Dosierrinne dem Walzenspalt zugeführt wird. Weiterhin betrifft die Erfindung die Verwendung des mittels eines erfindungsgemäßen Walzenbrechers gebrochenen mineralischen Feinstmaterials für die Bauindustrie, besonders für die Betonherstellung, vorzugsweise als Füller- oder Zementersatz.It has been found to be advantageous if the crushed earth moist, metered and evenly fed through a metering the nip. Furthermore, the invention relates to the use of broken by means of a roll crusher invention mineral fines for the construction industry, especially for the production of concrete, preferably as a filler or cement substitute.
Als besonders vorteilhaft hat sich die Verwendung des mittels eines erfindungsgemäßen Walzenbrechers gebrochenen mineralischen Feinstmaterials zur Herstellung selbst verdichtenden Betons herausgestellt. Auch die Zugabe bei wasserundurchlässigen Tragschichten, insbesondere solchen der Deutschen Bahn, hat sich als besonders vorteilhaft erwiesen.The use of the mineral fines crushed by means of a roll crusher according to the invention for producing self-compacting concrete has proven particularly advantageous. The addition of water-impermeable support layers, in particular those of Deutsche Bahn, has proved to be particularly advantageous.
Nachfolgend wird die Erfindung anhand von Ausführungsbeispielen dargestellt, die in der Zeichnung dargestellt sind. In dieser zeigen:The invention will now be illustrated by means of embodiments shown in the drawing. In this show:
Fig. 1 eine schematische Darstellung eines Walzenbrechers mit zwei horizontal angeordneten Brechwalzen, wobei eine Brechwalze horizontal schwingt,1 is a schematic representation of a roll crusher with two horizontally arranged crushing rollers, wherein a crushing roller oscillates horizontally,
Fig. 2 eine schematische Darstellung eines Walzenbrechers mit zwei vertikal angeordneten Brechwalzen, wobei eine Brechwalze vertikal schwingt undFig. 2 is a schematic representation of a roll crusher with two vertically arranged crushing rollers, wherein a crushing roller vibrates vertically and
Fig. 3 eine schematische Seitenansicht eines Walzenbrechers mit zwei horizontal angeordneten Brechwalzen, wobei eine Brechwalze durch einen Exzenter in horizontale Schwingung versetzt wird.Fig. 3 is a schematic side view of a roll crusher with two horizontally arranged crushing rollers, wherein a crushing roller is offset by an eccentric in horizontal vibration.
In allen Figuren bezeichnen gleiche Bezugszeichen gleiche Bauteile. Fig. 1 und 2 zeigen eine schematische Darstellung eines Walzenbrechers 10 mit zwei glatten Brechwalzen 14 und 16. In Fig. 1 sind die Brechwalzen 14, 16 horizontal nebeneinander angeordnet, während in Fig. 2 die Brechwalzen 14, 16 vertikal übereinander angeordnet sind. Die Brechwalzen 14, 16 werden gegenläufig angetrieben, was durch die Drehrichtungspfeile 30 verdeutlicht wird.In all figures, like reference numerals designate like components. 1 and 2 show a schematic representation of a roll crusher 10 with two smooth crushing rollers 14 and 16. In Fig. 1, the crushing rollers 14, 16 are arranged horizontally next to each other, while in Fig. 2, the crushing rollers 14, 16 are arranged vertically one above the other. The crushing rollers 14, 16 are driven in opposite directions, which is illustrated by the direction of rotation arrows 30.
Erfindungsgemäß umfasst der Walzenbrecher 10 hier nicht dargestellte Mittel, um im vorliegenden Fall die Brechwalze 16 in Schwingung bzw. Vibrationen zu versetzen. In Fig. 1 wird die Brechwalze 16 in horizontale Schwingung versetzt, während in Fig. 2 die Brechwalze 16 in vertikale Schwingung versetzt wird. Die andere Brechwalze 14 steht dagegen fest. Die Schwingungsrichtungen sind durch die Pfeile 32 dargestellt.According to the invention, the roller crusher 10 comprises means not shown here, in order to cause the crushing roller 16 to oscillate or vibrate in the present case. In Fig. 1, the crushing roller 16 is set in horizontal vibration, while in Fig. 2, the crushing roller 16 is set in vertical vibration. The other crushing roller 14, however, is fixed. The directions of vibration are shown by the arrows 32.
Der Walzenspalt 18 zwischen den Brechwalzen 14, 16 ist in seiner Breite einstellbar, um die gewünschte Feinheit des gebrochenen Brechguts zu erhalten.The nip 18 between the crushing rollers 14, 16 is adjustable in width to obtain the desired fineness of the crushed crushed material.
An den Brechwalzen 14, 16 sind Abstreifer 20 und Bürsten 22, wie in Fig. 1 dargestellt, oder nur Abstreifer 20, wie in Fig. 2 dargestellt, vorgesehen, um gebrochenes Feinstmaterial, welches gegebenenfalls auf den Brechwalzen 14, 16 haftet, von diesen 14, 16 zu lösen.At the crushing rollers 14, 16 are scrapers 20 and brushes 22, as shown in Fig. 1, or only scraper 20, as shown in Fig. 2, provided to broken fines material, which optionally adheres to the crushing rollers 14, 16, of these 14, 16 to solve.
Zum Brechen von Brechgut 12, insbesondere von Feinmineralien und/oder Mineralien mit einem Durchmesser bis 2 mm, wird das erdfeuchte Brechgut 12 über einen Trichter 34 einer Dosierrinne 26 zugeführt, die das Brechgut 12 gleichmäßig dem Walzenspalt 18 zudosiert.For crushing crushed material 12, in particular of fine minerals and / or minerals with a diameter of up to 2 mm, the earth-moist crushed material 12 is fed via a hopper 34 to a metering chute 26 which evenly meters the crushed material 12 into the nip 18.
Das derart erhaltene Feinstmaterial 28 ist besonders geeignet als Füller- oder Zementersatz für die Betonherstellung, insbesondere für die Herstellung von selbstverdichtenden Beton. Fig. 3 zeigt eine schematische Seitenansicht eines Walzenbrechers 10 mit zwei horizontal und zueinander parallel angeordneten Brechwalzen 14, 16, wobei die eine Brechwalze 16 durch einen Exzenter 24 über einen, dem Fachmann bekannten so genannten Hampelmann 38 in eine kreisförmige Schwingung versetzt wird. Die Exzenterwelle wird hierbei über einen weiteren Motor 40 angetrieben. Die Brechwalze 14 steht dagegen fest.The ultrafine material 28 thus obtained is particularly suitable as a filler or cement substitute for concrete production, in particular for the production of self-compacting concrete. Fig. 3 shows a schematic side view of a roll crusher 10 with two horizontally and mutually parallel crushing rollers 14, 16, wherein the one crushing roller 16 is offset by an eccentric 24 via a, known to those skilled in the so-called jumping jack 38 in a circular oscillation. The eccentric shaft is driven by a further motor 40 here. The crushing roller 14, however, is fixed.
Die Brechwalzen 14, 16 selbst sind glatt ausgebildet, und werden über variabel einstellbare Motoren 36 gegenläufig, dargestellt durch die Drehrichtungspfeile 30, angetrieben. Die Breite des Walzenspalts 18 ist über eine Gewindestange 42, durch die die Brechwalze 16 horizontal verschiebbar ist, einstellbar. The crushing rollers 14, 16 themselves are smooth, and are driven by variably adjustable motors 36 in opposite directions, represented by the direction of rotation arrows 30. The width of the nip 18 is adjustable via a threaded rod 42, through which the crushing roller 16 is horizontally displaceable.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
(ist Teil der Beschreibung)(is part of the description)
10 Walzenbrecher10 roll crushers
12 Brechgut12 crushed material
14 Brechwalze14 crushing roller
16 Brechwalze16 crushing roller
18 Walzenspalt18 nip
20 Abstreifer20 scrapers
22 Bürste22 brush
24 Exzenter24 eccentrics
26 Dosierrinne26 dosing channel
28 Feinstmaterial28 finest material
30 Drehrichtung30 direction of rotation
32 Schwingungsrichtung32 vibration direction
34 Trichter34 funnels
36 Motor36 engine
38 Hampelmann38 jumping jack
40 Motor40 engine
42 Gewindestange 42 threaded rod
Claims
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008003159 | 2008-01-03 | ||
| DE102008003159.3 | 2008-01-03 | ||
| DE102008030484A DE102008030484A1 (en) | 2008-01-03 | 2008-06-26 | Roller breaker for breaking e.g. gravel, for producing self-compacting concrete in construction industry, has oscillating unit for oscillating breaker roller against another breaker roller, where rollers are rotatable in opposite directions |
| DE102008030484.0 | 2008-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2009083005A1 true WO2009083005A1 (en) | 2009-07-09 |
Family
ID=40578291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2009/000002 Ceased WO2009083005A1 (en) | 2008-01-03 | 2009-01-05 | Roller breaker |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2009083005A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903622A (en) * | 2016-06-08 | 2016-08-31 | 东风柳州汽车有限公司 | Paint slag draining device of painting room |
| CN110944830A (en) * | 2017-07-14 | 2020-03-31 | 魁伯恩机械制造有限责任两合公司 | Roll press and method for determining filling height |
| CN114034843A (en) * | 2021-12-29 | 2022-02-11 | 沧州市生态环境保护科学研究院(沧州市生态环境工程评估中心) | Pollution detection equipment for environmental soil |
| CN116571340A (en) * | 2023-07-13 | 2023-08-11 | 牡丹江师范学院 | Feed grinding and mixing equipment and grinding and mixing process |
| US20240226908A9 (en) * | 2021-02-18 | 2024-07-11 | Khd Humboldt Wedag Gmbh | High-pressure roller mill having vibrating lateral walls |
| CN119738555A (en) * | 2025-03-05 | 2025-04-01 | 中铁二十一局集团第二工程有限公司 | A soil nutrient deposition analysis device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4131238A (en) * | 1977-09-15 | 1978-12-26 | Energy And Minerals Research Co. | Ultrasonic grinder |
| DE4200751A1 (en) * | 1991-03-08 | 1992-09-17 | Ottomar Salzmann | Vehicle window breaker - has paired toothed rollers followed by removal of glass fragments from both sides of film between the glass panes |
| DE9417000U1 (en) * | 1994-10-31 | 1995-03-16 | Brunzlow, Detlef, 02943 Weißwasser | Device for crushing reinforced concrete elements, reinforced concrete rubble and demolition material with vibrating rollers |
-
2009
- 2009-01-05 WO PCT/DE2009/000002 patent/WO2009083005A1/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4131238A (en) * | 1977-09-15 | 1978-12-26 | Energy And Minerals Research Co. | Ultrasonic grinder |
| DE4200751A1 (en) * | 1991-03-08 | 1992-09-17 | Ottomar Salzmann | Vehicle window breaker - has paired toothed rollers followed by removal of glass fragments from both sides of film between the glass panes |
| DE9417000U1 (en) * | 1994-10-31 | 1995-03-16 | Brunzlow, Detlef, 02943 Weißwasser | Device for crushing reinforced concrete elements, reinforced concrete rubble and demolition material with vibrating rollers |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903622A (en) * | 2016-06-08 | 2016-08-31 | 东风柳州汽车有限公司 | Paint slag draining device of painting room |
| CN110944830A (en) * | 2017-07-14 | 2020-03-31 | 魁伯恩机械制造有限责任两合公司 | Roll press and method for determining filling height |
| US20240226908A9 (en) * | 2021-02-18 | 2024-07-11 | Khd Humboldt Wedag Gmbh | High-pressure roller mill having vibrating lateral walls |
| CN114034843A (en) * | 2021-12-29 | 2022-02-11 | 沧州市生态环境保护科学研究院(沧州市生态环境工程评估中心) | Pollution detection equipment for environmental soil |
| CN116571340A (en) * | 2023-07-13 | 2023-08-11 | 牡丹江师范学院 | Feed grinding and mixing equipment and grinding and mixing process |
| CN119738555A (en) * | 2025-03-05 | 2025-04-01 | 中铁二十一局集团第二工程有限公司 | A soil nutrient deposition analysis device and method |
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