CN111565852A - Mobile crushing system with eccentric roller crusher and finger screen - Google Patents
Mobile crushing system with eccentric roller crusher and finger screen Download PDFInfo
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- CN111565852A CN111565852A CN201880085200.8A CN201880085200A CN111565852A CN 111565852 A CN111565852 A CN 111565852A CN 201880085200 A CN201880085200 A CN 201880085200A CN 111565852 A CN111565852 A CN 111565852A
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- conveyed
- crusher
- crushing
- finger
- mobile crushing
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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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
- B02C21/00—Disintegrating plant with or without drying of the material
- B02C21/02—Transportable disintegrating plant
- B02C21/026—Transportable disintegrating plant self-propelled
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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
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
- B02C4/12—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a plate
Abstract
The invention relates to a mobile crushing system (1) for crushing and conveying material to be conveyed in a conveying direction (F), which system has a support structure (2) on at least one undercarriage (3). The support structure (2) has: a feed device (4) having a receiving hopper (41) and a feed transport apparatus (42); a screening system (6) for receiving the material to be conveyed from the feed conveyor device (42) and screening it in such a way that the material to be conveyed having a block size smaller than a defined size passes directly and the material to be conveyed having a block size greater than or equal to the defined size is conveyed substantially forward in the conveying direction (F); a crusher (7) having a crushing chamber (71) for receiving and crushing material to be conveyed from a screening system (6) having a block size greater than or equal to a defined size; and at least one collecting conveyor belt (8) arranged below the screening system (6) and below the crusher (7) for receiving and conveying the material to be conveyed that passes directly through the screening system (6) and the material to be conveyed that is crushed by the crusher (7). The crusher (7) is an eccentric roller crusher having an eccentric roller (72). The screening system (6) is a finger screen having a plurality of finger elements (61). The fingers (61) each have a main extension axis (H).
Description
Technical Field
The invention relates to a mobile crushing system for crushing and conveying material to be conveyed in a conveying direction, having a support structure on at least one undercarriage, wherein the support structure comprises: a feed device having a receiving hopper and a feed delivery apparatus; a screening system for receiving material to be conveyed from a feed conveyor apparatus and screening the material to be conveyed in such a manner that material to be conveyed having a block size smaller than a defined size passes directly therethrough and material to be conveyed having a block size greater than or equal to the defined size moves forward substantially in the conveying direction; a crusher having a crushing chamber for receiving material to be conveyed from a screening system having a block size greater than or equal to a defined size and crushing the material; and at least one collecting conveyor belt arranged below the screening system and below the crusher for receiving and conveying the material to be conveyed that passes directly through the screening system and the material to be conveyed that is crushed by the crusher. In particular, the mobile crushing system is suitable for material to be conveyed in the form of hard rock, i.e. for example having a compressive strength of at least 70 MPa.
Background
Mobile crushing systems of the type mentioned at the outset are known. Here, the screening system is a well-known screening system driven by a vibrating motor, for example. The material to be conveyed, which is excited by the vibration motor, is moved along the gradient of the screen grid into a crusher, which is designed as a jaw crusher, for example. By the periodical impact movement of the movable crushing jaw in relation to the rigid crushing jaw, the material to be conveyed is broken down to the desired size. Due to the way the jaw crusher works, the periodic impact movements may cause an unbalance which applies loads on the undercarriage and the steel structure that damage the components. These loads act during idling and in particular during the process of breaking hard rock. Due to the above mentioned loads and also due to the severe vibrations of the screening system, the mobile crushing system should be statically placed on the underlying surface during the crushing process. This means that the undercarriage of the mobile crushing system is not properly moved during crushing in order to increase the lifetime of the mobile crushing system and ensure stability. Otherwise, the load may have a destructive effect on the components of the mobile crushing system. In particular, the prior art envisages that the screening system must be positioned higher than the jaw crusher. This is necessary because the material to be conveyed must be sieved by means of vibration along the sieve grid. The impact movement of the jaw crusher is not sufficient to convey the material to be conveyed into the crushing chamber of the jaw crusher at an economically sufficient speed. The material to be conveyed, which is subsequently screened, can then fall into the crushing chamber of the jaw crusher. However, a larger overall height also leads to an increased use of material and ultimately also to an increased cost of the mobile jaw crusher.
Disclosure of Invention
It is therefore an object of the present invention to provide a mobile crushing system of the type mentioned at the outset which has a construction which is as economical and compact as possible and which also ensures a reduction in the load on the support structure during idling and during the process of crushing material to be conveyed in the form of hard rock.
The above object is achieved by the features of claim 1. By virtue of the fact that the crusher is an eccentric roller crusher with eccentric rollers and the screening system is a finger screen with a plurality of fingers, there is no need to use separate vibrating units, since the eccentric movement of the eccentric rollers of the eccentric roller crusher may enable a continuous excitation of the finger screen, wherein the fingers each have a main extension axis. In particular, finger screens are screening systems integrated into eccentric roller crushers. This results in particular in a compact (i.e. low) overall height. Furthermore, the feed device can thereby be made shorter than in the prior art, so that more costs can be saved. Advantageously, the eccentric roller crusher of the mobile crushing system may be idle while maintaining mobility during the travelling movement of the undercarriage. Particularly advantageously, the eccentric roller crusher of the mobile crushing system may perform the crushing process during the travelling movement of the undercarriage. In other words, this means that the mobile crushing system can change its position when the eccentric roller crusher is idling or even when the eccentric roller crusher is crushing material to be conveyed. This is particularly advantageous because the total height of the mobile crushing system is low and therefore its centre of gravity is low.
For the purposes of the present invention, the fact that the material to be conveyed having a block size smaller than a defined size passes directly means that the material to be conveyed falls vertically by gravity through the screen openings.
In particular, the material to be conveyed is hard rock. For the purposes of the present invention, hard rock has a compressive strength of at least 70MPa, in particular at least 80 MPa.
For the purposes of the present invention, the conveying direction is parallel to the underlying surface. The fact that the material to be conveyed having a block size greater than or equal to a defined size moves substantially forwards in the conveying direction according to the teachings of the present invention means that, in addition to a horizontal component of extension, a vertical component of extension can be included to ensure that the material to be conveyed does not stop and is therefore easier to convey.
In particular, in order to protect the components of the mobile crushing system, it may be provided that the eccentric roller crusher is balanced in terms of mechanical dynamics. This balancing allows the size of the support structure to be reduced, thereby reducing the energy consumption for moving the mobile crushing system, in addition to making it more advantageous to manufacture the components. Furthermore, it is possible, in particular, to carry out the crushing process in such a way that the stresses on the components are reduced during the movement of the undercarriage, i.e. during the movement of the mobile crushing system over the underlying surface. The balancing in terms of mechanical dynamics can be carried out by means common in the prior art.
Particularly suitable for balancing, however, are eccentric roller crushers which have at least one inertial mass part for balancing in terms of mechanical dynamics. For cost-effective reasons, the inertial mass part can be fixed in a non-adjustable manner. However, as a particularly preferred option, the inertial mass part on the eccentric roller crusher may be releasable and adjustable in order to keep the balance as constant as possible depending on the wear-related material removal. As a particularly preferred option, the adjustment of the at least one inertial mass part can be carried out manually or in an automated manner.
According to a particularly preferred embodiment of the invention, it is conceivable that the fingers of the finger screen convey material to be conveyed directly from the feed conveying device into the crushing chamber of the crusher. This means that no other platforms than sieve stages are arranged inside or outside the sieving system and therefore, for example, a slight excitation is sufficient to convey the material to be conveyed into the crushing chamber. Usually, a mechanical plate or the like mounted in a fixed manner is considered as a platform. The platform between the screening system and the jaw crusher is shown in fig. 1 and 2 as an inclined plate, for example. Another advantage resides in reduced overall height of the mobile crushing system.
Alternatively, it may be provided that the fingers of the finger screen convey material to be conveyed from the feed conveyor apparatus via inclined slide plates into the crushing chamber of the crusher. Although the entire structure may end up slightly higher than the stepless embodiment, the use of a slide plate has a favourable effect on the transport performance. In particular, the slide plate may have a plurality of holes to allow the passage of material that is not to be crushed.
As a particularly preferred option, the feed conveyor device is designed as a feed conveyor belt.
As a particularly preferred option, according to one embodiment, it may be provided that the finger screen is connected to the crusher or the inlet hood. This type of design reduces the number of parts forming the mass, thus enabling dimensioning with lighter and therefore economically more advantageous parts.
In particular, the finger screen may be detachably connected to the crusher or the inlet cowl. Furthermore, allowing a detachable embodiment makes it possible to achieve an economical and compact construction.
Furthermore, a desired economical and compact construction can be achieved, in particular if the fingers of the finger screen project at the ends into the crushing chamber of the crusher, wherein the fingers at least partially overlap the eccentric rollers, as a result of which material to be conveyed having a piece size smaller than a defined size passes directly downwards between the fingers before the eccentric rollers in the conveying direction, and material to be conveyed having a piece size greater than or equal to the defined size moves forwards on the fingers along their main extension axis in the conveying direction into the crushing chamber. In particular, the screening separation directly above the crushing member allows a very compact construction.
Furthermore, it can advantageously be provided that the support structure can be separated from the base frame. During the crushing process, the support structure may be separated from the undercarriage in order to reduce stress on the components. However, the mobile crushing system may move in the engaged state. In particular, if the movement frequency of the mobile crushing system is low, a separation is suitable. The frequency of movement may vary from hours to years depending on the conditions of use. In this feature, the mobile crushing system may also be referred to as a semi-mobile crushing system.
In order to optimize the screening of the material to be conveyed with short fingers, it is particularly preferred that the main extension axes of the fingers of the finger screen are parallel to each other.
The fingers may preferably be activated by the eccentric movement of the eccentric roller crusher.
Alternatively or additionally, the finger screen may have an activation unit for activating the fingers, wherein the activation unit is arranged at the rear end of the fingers in the conveying direction.
The activation unit may drive, for example, a camshaft, wherein each finger is periodically driven by a cam, thus ensuring a continuous periodic activation of the fingers.
The invention also relates to a method for crushing and conveying material to be conveyed in a conveying direction using a mobile crushing system, wherein the method is characterized by the following method steps: loading a feeding device with a material to be conveyed, the feeding device having a receiving hopper and a feed conveying apparatus; subsequently, the material to be conveyed is conveyed from the receiving hopper to a discharge point onto a screening system using a feed conveyor apparatus; subsequently, receiving the material to be conveyed by a screen in order to screen it in such a way that the material to be conveyed having a piece size smaller than a defined size passes directly and the material to be conveyed having a piece size greater than or equal to the defined size moves forward to a crusher; and subsequently crushing the material to be conveyed moving forward to the crusher, wherein the material to be conveyed passing directly in the screening system and the material to be conveyed crushed in the crusher are received and conveyed in the conveying direction by at least one collecting conveyor belt arranged below the screening system and below the crusher; finally, the material to be conveyed is conveyed from the at least one collecting conveyor belt onto a discharge boom with a main conveyor belt, wherein the crusher is an eccentric roller crusher with eccentric rollers and the screening system is a finger screen with a plurality of fingers, wherein the fingers each have a main extension axis.
Preferably, the present invention relates to a method for crushing and conveying material to be conveyed using a mobile crushing system as described above, characterized by at least one of the above-mentioned features of the mobile crushing system.
A preferred feature of the invention envisages energizing the finger screen in such a way that, depending on the block size, the material to be conveyed is conveyed to the crusher either through the finger elements of the finger screen or along the main extension axis of said elements.
An advantageous feature is also that the activation of the fingers is caused by contact with eccentrically moving eccentric rollers which break the material to be conveyed.
In particular, the method envisages that the actuation of the fingers is done by an actuation unit.
Furthermore, the invention relates to an eccentric roller crusher for crushing material to be conveyed on a mobile crushing system having at least one of the aforementioned features, characterized by the features of the eccentric roller crusher according to at least one of the aforementioned features.
Finally, the invention also relates to a fingerscreen for screening material to be conveyed on a mobile crushing system having at least one of the aforementioned characteristics, characterized by the characteristics of the fingerscreen according to at least one of the aforementioned characteristics.
A particular configuration of the invention is explained in more detail with the aid of the following description of exemplary embodiments and the accompanying drawings.
Drawings
In the drawings:
figure 1 shows a schematic side view of a mobile crushing system according to the prior art,
figure 2 shows detail a-a in figure 1,
figure 3 shows a schematic side view of a mobile crushing system according to a first exemplary embodiment according to the teachings of the present invention,
figure 4 shows detail B-B of figure 3,
fig. 5 shows a perspective view of a finger screen designed as a finger screen of the mobile crushing system according to fig. 3, an
Fig. 6 shows a schematic view of a finger screen on an eccentric roller of the mobile crushing system according to fig. 3.
Detailed Description
Fig. 1 schematically shows a mobile crushing system (1) for crushing and conveying material to be conveyed in a conveying direction (F) according to the prior art. The conveying direction (F) extends parallel to the underlying surface and runs from left to right in the figure along the conveying direction of the material to be conveyed. The mobile crushing system (1) comprises a support structure (2) on an undercarriage (3) designed as a crawler undercarriage. In this case, the undercarriage (3) may comprise a plurality of individual crawler undercarriages or one or more double crawler undercarriages. The support structure (2) also has a feed device (4) having a receiving hopper (41) and a feed conveyor device (42), which is designed in particular as a feed conveyor belt.
The support structure (2) also comprises a screening system (6) for receiving the material to be conveyed from the feed conveyor device (42) and screening it in such a way that the material to be conveyed having a block size smaller than a defined size passes directly and the material to be conveyed having a block size greater than or equal to the defined size moves forward substantially in the conveying direction (F). Material to be conveyed enters a crushing chamber (71) of the crusher (7) from the screening system (6) for receiving material to be conveyed having a block size greater than or equal to a defined size from the screening system (6) and crushing said material. The crusher (7) is designed as a jaw crusher according to the prior art.
For example, below the screening system (6) and below the crusher (7) there is arranged a collecting conveyor belt (8) for receiving and conveying the material to be conveyed that passes directly through the screening system (6) and the material to be conveyed that is crushed by the crusher (7). The screening system (6) has a screen grid, which in the present case is shown in dashed lines and is particularly easily visible in fig. 2.
Fig. 2 shows a detail view of part a-a according to fig. 1. It is clear that the screening system (6) forms a different part with respect to the jaw crusher.
Fig. 3 schematically shows a preferred embodiment of a mobile crushing system (1) for crushing and conveying material to be conveyed in a conveying direction (F) according to the teachings of the present invention. The conveying direction (F) extends parallel to the underlying surface and runs from left to right in the figure along the conveying direction of the material to be conveyed. The mobile crushing system (1) comprises a support structure (2) on an undercarriage (3) designed as a crawler undercarriage. In this case, the undercarriage (3) may comprise a plurality of individual crawler undercarriages or one or more double crawler undercarriages. The support structure (2) also has a feed device (4) with a receiving hopper (41) and a feed conveyor apparatus (42).
The mobile crushing system (1) according to fig. 3 differs significantly from the mobile crushing system (1) according to fig. 1 in that the mobile crushing system (1) according to the invention has a screening system (6), which screening system (6) is designed as a finger screen for receiving and screening material to be conveyed from a feed conveyor device (42). The finger screen comprises a plurality of fingers (61), wherein the fingers (61) each have a main extension axis (H), wherein the main extension axis (H) is shown in fig. 5 and 6. The main extension axis (H) consists of a vertical axis and a horizontal axis, wherein the horizontal axis is parallel to the conveying direction (F). The screening is performed in such a way that the material to be conveyed having a block size smaller than the defined size passes directly and the material to be conveyed having a block size greater than or equal to the defined size moves substantially forward in the conveying direction (F).
Substantially in the conveying direction (F) means that the material to be conveyed is conveyed along a main extension axis (H) of the finger element (61), wherein the main extension axis (H) has essentially a horizontal component and also a vertical component, like a sum vector. In other words, it is generally possible that the conveying direction (F) is at least partially inclined in the extension of the mobile crushing system (1), wherein the slope may be different at different positions.
Furthermore, the mobile crushing system according to fig. 3 differs significantly from the mobile crushing system according to fig. 1 in that the mobile crushing system (1) according to the invention has a crusher (7) designed as an eccentric roller crusher. The crusher (7) has a crushing chamber (71) for receiving material to be conveyed from the screening system (6) having a block size greater than or equal to a defined size and crushing said material.
A comparison of fig. 1 and 3 shows that in fig. 3 the mobile crushing system (1) and in particular its preferred embodiment of the components of essential significance has a smaller overall height than the mobile crushing system (1) according to the prior art in fig. 1.
The vibrations of the eccentric roller crusher are preferably compensated in terms of mechanical dynamics by at least one inertial mass part (not shown in the present case).
The at least one inertial mass part may be fixed in a non-adjustable manner or may be releasable to allow setting. The configuration with a release capability to allow setting has the advantage that wear of the parts can be compensated, thus enabling the mobile crushing system (1) to be balanced all the time.
Furthermore, the mobile crushing system (1) has at least one collecting conveyor belt (8) which is arranged below the sieving system (6) and below the crusher (7). The at least one collecting conveyor belt receives and conveys material to be conveyed directly through the screening system (6) and material to be conveyed crushed by the crusher (7). Fig. 3 also shows an optional discharge boom (9) with a main conveyor belt (91) for removing material to be conveyed from the mobile crushing system (1).
Contrary to the illustration in fig. 2, it can be seen from fig. 4 that the screening system (7) designed as a finger screen and the crusher (7) designed as an eccentric roller crusher are designed to have a synergistic effect according to the invention. The mobile crushing system (1) is therefore balanced in terms of mechanical dynamics. However, the fingers (61) of the screening system (6) may be activated by, for example, an eccentric movement of the eccentric rollers (72) of the eccentric roller crusher. Thus, a separate vibration drive of the type still present according to the prior art in fig. 1 is no longer required.
In particular, it is conceivable that the fingers (61) of the finger screen transfer the material to be conveyed directly from the feed conveying device (42) into the crushing chamber (71) of the crusher (7). Thus, there are no additional fixedly mounted intermediate stages or mechanical parts for conveying the material to be conveyed to the inside or outside of the screen, and therefore a slight excitation of the eccentric roller (72) is sufficient to convey the material to be conveyed, for example.
In particular, as can be seen from fig. 4, the finger screen is connected to a crusher (7). In this case, the connection is in particular of a detachable construction.
Fig. 4 also shows the direction of rotation of the eccentric shaft of the eccentric roller (72).
According to a preferred exemplary embodiment in fig. 4, it is also disclosed that the fingers (61) of the finger screen protrude at the ends into the crushing chamber (71) of the crusher (7), wherein the fingers (61) at least partially overlap the eccentric rollers (72), as a result of which material to be conveyed having a piece size smaller than the defined size passes directly downwards between the fingers (61) before the eccentric rollers (72) in the conveying direction (F), and material to be conveyed having a piece size greater than or equal to the defined size moves forwards on the fingers (61) along their main extension axis (H) in the conveying direction (F) into the crushing chamber (71).
Fig. 5 schematically shows that the main extension axes (H) of the fingers (61) of the finger screen are parallel to each other. In this case, for the sake of clarity, the fingers (61) and the reference numbers of the main extension axis (H) of the fingers (61) are distinguished by a single reference number only.
By way of example, fig. 6 discloses a finger screen with an activation unit (74) for activating the fingers (61), wherein the activation unit (74) is arranged at the rear end of the fingers (61) in the conveying direction (F). The fingers (61) are preferably actuated by an actuating unit (74).
In this case, the actuation of the fingers (61) by the actuation unit (74) can be carried out by rotating a drive camshaft (76), wherein the individual fingers (61) of the finger screen are preferably each arranged on a cam. As a result, the individual fingers (61) are each periodically activated, whereby the material to be conveyed thereon can be moved along the main extension axis (H) of the fingers or between the fingers (61). The rotational movement of the camshaft (76) is illustrated by the arrows in fig. 6, for example.
At the end, the finger element (61) rests in particular on a support strip (77) which is connected in a sprung manner, for example, to an eccentric roller (72) of an eccentric roller crusher. The support bar (77) may have a recess for each finger element (61), the finger elements (61) being inserted in the recesses so as to avoid a translational movement along the main extension axis of the support bar (77). The main extension axis of the support strip (77) extends perpendicularly to the main extension axis (H) of the finger element (61). Alternatively, it may be provided that the supporting bar (77) is connected to the housing of the eccentric roller crusher.
Alternatively, provision may be made for the fingers (61) to be arranged continuously on the eccentric roller (72) and to be represented by the eccentric movement of the eccentric roller (72) in a periodic movement sequence.
Also, as an alternative, it is possible that the finger element (61) is arranged at least within the movement space of the eccentric roller (72) and is repeatedly advanced or lifted by the eccentric roller (72) moving eccentrically. Particularly preferably, the stroke range of the raised fingers (61) is from 3 to 20 mm.
The fact that the finger elements (61) are arranged in springing manner on the eccentric roller (72) results in an additional excitation of the finger screen due to the eccentric rotational movement of the eccentric roller (61). Due to the different forms of excitation, the material to be conveyed can be conveyed into the crusher in the best possible manner. Thus, a compact construction of the sieving system (6) and the crusher (7) is possible.
Each of the above-mentioned possibilities of activation of the fingers (61) can also be realized separately. Furthermore, it is explicitly possible that the finger elements (61) can also be actuated by means not disclosed in order to move the material to be conveyed.
List of reference numerals
1 Mobile crushing System
2 support structure
3 underframe
4 feeding device
41 receiving hopper
42 feed delivery apparatus
6 screening system
61 finger element
7 crusher
71 crushing chamber
72 eccentric roller
73 inlet cover
74 excitation unit
76 camshaft
77 support bar
8 collect conveyer belt
9 discharge boom
91 discharge boom main conveyor
F direction of conveyance
Main extension axis of H-finger
Claims (17)
1. A mobile crushing system (1) for crushing and conveying material to be conveyed in a conveying direction (F), having a support structure (2) on at least one chassis (3), wherein the support structure (2) has:
-a feed device (4) having a receiving hopper (41) and a feed conveying apparatus (42),
-a screening system (6) for receiving the material to be conveyed from the feed conveyor device (42) and screening it in such a way that the material to be conveyed having a block size smaller than a defined size passes directly and the material to be conveyed having a block size greater than or equal to said defined size moves substantially forward in the conveying direction (F),
-a crusher (7) having a crushing chamber (71) for receiving from the screening system (6) and crushing the material to be conveyed having a block size greater than or equal to the defined size, and
-at least one collecting conveyor belt (8) arranged below the screening system (6) and below the crusher (7) for receiving and conveying material to be conveyed that passes directly through the screening system (6) and material to be conveyed that is crushed by the crusher (7),
characterized in that the crusher (7) is an eccentric roller crusher having eccentric rollers (72) and the screening system (6) is a finger screen having a plurality of fingers (61), wherein the fingers (61) each have a main extension axis (H).
2. The mobile crushing system (1) according to claim 1, characterized in that the eccentric roller crusher is balanced in mechanical dynamics.
3. Mobile crushing system (1) according to the preceding claim, wherein the eccentric roller crusher has at least one inertial mass for balancing in terms of mechanical dynamics.
4. A mobile crushing system (1) according to at least one of the preceding claims, characterized in that the finger elements (61) of the finger screen convey the material to be conveyed directly from the feed conveyor apparatus (42) into the crushing chamber (71) of the crusher (7).
5. The mobile crushing system (1) according to at least one of the preceding claims, characterized in that the finger screen is connected to the crusher (7) or an inlet hood (73) of the crusher (7).
6. The mobile crushing system (1) according to the preceding claim, characterized in that the finger screen is detachably connected to the crusher (7) or the inlet hood (73) of the crusher (7).
7. A mobile crushing system (1) according to at least one of the preceding claims, characterized in that the finger elements (61) of the finger screen protrude at the ends into the crushing chamber (71) of the crusher (7), wherein the finger elements (61) at least partially overlap the eccentric rollers (72), as a result of which material to be conveyed having a block size smaller than a defined size passes directly downwards between the finger elements (61) before the eccentric rollers (72) in the conveying direction (F), and material to be conveyed having a block size greater than or equal to the defined size moves forward on the finger elements (61) along their main extension axis (H) into the crushing chamber (71) in the conveying direction (F).
8. The mobile crushing system (1) according to at least one of the preceding claims, characterized in that the support structure (2) is detachable from the chassis (3).
9. A mobile crushing system (1) according to at least one of the preceding claims, characterized in that the main extension axes (H) of the finger elements (61) of the finger screens are parallel to each other.
10. The mobile crushing system (1) according to at least one of the preceding claims, characterized in that the finger screen has an activation unit (74) for activating the finger elements (61), wherein the activation unit (74) is arranged at the rear end of the finger elements (61) in the conveying direction (F).
11. A method for crushing and conveying material to be conveyed in a conveying direction (F) using a mobile crushing system (1), wherein the method is characterized by the following method steps:
-loading a feeding device (4) with material to be conveyed, the feeding device having a receiving hopper (41) and a feed conveying apparatus (42),
-subsequently, using the feed conveyor device (42), conveying the material to be conveyed from the receiving hopper (41) to a discharge point onto a screening system (6),
-subsequently receiving the material to be conveyed by the screening system (6) in order to screen it in such a way that the material to be conveyed having a block size smaller than a defined size passes directly and the material to be conveyed having a block size greater than or equal to said defined size moves forward to the crusher (7) substantially in the conveying direction (F), and
-subsequently crushing the material to be conveyed onwards to the crusher (7), wherein the material to be conveyed passing directly in the screening system (6) and the material to be conveyed crushed in the crusher (7) are received by at least one collecting conveyor belt (8) which is arranged below the screening system (6) and below the crusher (7) and which is conveyed in the conveying direction (F),
characterized in that the crusher (7) is an eccentric roller crusher having eccentric rollers (72) and the screening system (6) is a finger screen having a plurality of fingers (61), wherein the fingers (61) each have a main extension axis (H).
12. Method for crushing and conveying material to be conveyed using a mobile crushing system (1) according to the preceding claim, characterized by the features of the mobile crushing system (1) according to any of the claims 1 to 10.
13. Method for crushing and conveying material to be conveyed using a mobile crushing system (1) according to any of claims 11 or 12, characterized in that the finger screen is excited in such a way that, depending on the block size, the material to be conveyed is conveyed to the crusher (7) through the finger elements (61) of the finger screen or along the main extension axis (H) of the elements.
14. Method for crushing and conveying material to be conveyed using a mobile crushing system (1) according to any of the claims 11 to 13, characterized in that the activation of the finger elements (61) is caused by contact with an eccentrically moving eccentric roller (72) which crushes the material to be conveyed.
15. Method for crushing and conveying material to be conveyed using a mobile crushing system (1) according to any of the claims 11 to 14, characterized in that the activation of the finger elements (61) is done using an activation unit (74).
16. An eccentric roller crusher for crushing material to be conveyed on a mobile crushing system (1) according to at least one of the preceding claims, characterized by the features of the eccentric roller crusher according to at least one of the preceding claims.
17. A finger screen for screening material to be conveyed on a mobile crushing system (1) according to at least one of the preceding claims, characterized by the features of the finger screen according to at least one of the preceding claims.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018200096.4 | 2018-01-04 | ||
| LU100672A LU100672B1 (en) | 2018-01-04 | 2018-01-04 | Mobile crushing plant with eccentric roller crusher and finger sieve |
| DE102018200096.4A DE102018200096A1 (en) | 2018-01-04 | 2018-01-04 | Mobile crushing plant with eccentric roller crusher and finger sieve |
| LULU100672 | 2018-01-04 | ||
| PCT/EP2018/086635 WO2019134864A1 (en) | 2018-01-04 | 2018-12-21 | Mobile crushing system having an eccentric roller crusher and finger screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111565852A true CN111565852A (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880085200.8A Pending CN111565852A (en) | 2018-01-04 | 2018-12-21 | Mobile crushing system with eccentric roller crusher and finger screen |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP3735320A1 (en) |
| CN (1) | CN111565852A (en) |
| AU (1) | AU2018400359B2 (en) |
| BR (1) | BR112020013576A2 (en) |
| CL (1) | CL2020001772A1 (en) |
| PE (1) | PE20211180A1 (en) |
| WO (1) | WO2019134864A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499826A (en) * | 2021-08-06 | 2021-10-15 | 湖南远通重工科技有限公司 | Eccentric roller type crusher |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110833891B (en) * | 2019-11-19 | 2021-05-18 | 黑龙江科技大学 | Auxiliary conveying device for mining machinery |
| CN111921599B (en) * | 2020-07-06 | 2022-03-25 | 河北建筑工程学院 | Self-propelled crawler-type grinding screening machine |
| CN113334634A (en) * | 2021-05-14 | 2021-09-03 | 河南应用技术职业学院 | Waste plastic crushing and recycling device and method |
| CN114308985B (en) * | 2021-12-31 | 2022-10-25 | 重庆医药高等专科学校 | Quiet urgent recovery unit of joining in marriage center cytotoxic drug leakage |
| DE102022125159A1 (en) | 2022-09-29 | 2024-04-04 | FLSmidth Mining Technologies GmbH | Roller crusher with adjustable crushing gap |
| WO2024069462A1 (en) | 2022-09-29 | 2024-04-04 | Flsmidth A/S | Roll crusher with adjustable crushing gap |
| LU502855B1 (en) | 2022-09-29 | 2024-03-29 | Flsmidth Mining Tech Gmbh | Roller crusher with adjustable crushing gap |
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- 2018-12-21 CN CN201880085200.8A patent/CN111565852A/en active Pending
- 2018-12-21 AU AU2018400359A patent/AU2018400359B2/en active Active
- 2018-12-21 EP EP18826064.0A patent/EP3735320A1/en active Pending
- 2018-12-21 BR BR112020013576-3A patent/BR112020013576A2/en unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| AU2018400359A1 (en) | 2020-07-16 |
| EP3735320A1 (en) | 2020-11-11 |
| BR112020013576A2 (en) | 2021-02-17 |
| CL2020001772A1 (en) | 2020-12-04 |
| AU2018400359B2 (en) | 2022-01-06 |
| WO2019134864A1 (en) | 2019-07-11 |
| PE20211180A1 (en) | 2021-06-30 |
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