EP2598249A2 - Zerkleinerungsvorrichtung mit schneckenförderer - Google Patents
Zerkleinerungsvorrichtung mit schneckenfördererInfo
- Publication number
- EP2598249A2 EP2598249A2 EP11738450.3A EP11738450A EP2598249A2 EP 2598249 A2 EP2598249 A2 EP 2598249A2 EP 11738450 A EP11738450 A EP 11738450A EP 2598249 A2 EP2598249 A2 EP 2598249A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- conveyor
- motor
- crushing
- tool
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- 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
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/144—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with axially elongated knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2225—Feed means
- B02C18/2258—Feed means of screw type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
- B02C2018/188—Stationary counter-knives; Mountings thereof
Definitions
- the invention relates to a crushing device, for example for domestic and commercial waste.
- the comminution device serves to further comminute already pre-comminuted material.
- the comminution device comprises a valve disposed in a housing shredding ⁇ approximately tool, which is driven by a milling motor.
- the crushing tool can rotate about a rotation axis.
- the crushing apparatus further has a feed device with a screw conveyor for the transport of material for shredding ⁇ approximately tool.
- DE 22 648 26 A1 discloses a crusher ⁇ tion machine with an electric drive motor.
- the actual value of the temperature of the motor winding is measured with the aid of a temperature sensor and compared with a temperature ⁇ setpoint.
- a conveyor belt for feeding material is activated.
- the temperature of the electric motor is regulated to the pre ⁇ given setpoint.
- Exceeds the Wicklungstem ⁇ temperature a maximum permissible temperature value is the Conveyor belt switched off.
- the comminuting device has a control unit which controls a conveying motor driving the screw conveyor.
- the conveyor motor is designed in particular as an electric motor.
- the control device preferably controls both the conveyor motor and the comminution motor driving the comminuting tool, which can also be embodied as an electric motor, in particular a three-phase motor.
- the control unit is supplied with a load, eg the torque, of the comminution motor characterizing ⁇ sierende load size. This may ⁇ example, be the engine power of the grinding motor.
- the load size is evaluated in the control unit. If the load is too small, the material flow is increased by the feed screw by controlling the feed motor.
- the control unit Via the control unit, the load on the shredder ⁇ tion motor and in particular the torque of the crusher tion motor via the speed control of the conveyor motor ge ⁇ regulated.
- the control unit is given a Drehmo ⁇ ment setpoint or torque setpoint range.
- the control unit is given a maximum torque and a minimum torque, wherein the ge Facebook ⁇ te material flow is increased by the control of the conveyor motor when the torque of the crushing motor below the minimum torque and wherein the funded material flow is reduced by driving the conveyor motor, when the torque of the crushing motor Ma ⁇ ximalcardmoment exceed. If the torque is within the permissible range between the minimum torque and the maximum torque, the operating state of the delivery motor is not changed. In this way, a hysteresis in the control can be realized to avoid frequent operating state changes of the conveyor motor and certain
- the comminution motor is preferably controlled by means of a frequency converter. It can be configured as Syn ⁇ nous motor. As a result, a rotational speed of the comminution motor that is independent of the mains frequency is set in a simple manner .
- the frequency converter may further comprise a current limiting device for limiting the current delivered to the comminution motor to a maximum current value. The shredding motor is protected in this way from excessive currents.
- the feeder may further comprise a conveyor belt.
- the conveyor belt is arranged outside the casing of the shredding ⁇ reasoning apparatus, there is the conveying screw of the screw conveyor in the housing interior.
- the transport drive of the conveyor belt is preferably also controlled by the control unit. For example, it can be adapted by the transport speed of the conveyor belt to the speed of the screw conveyor.
- its length is measured in the direction of the longitudinal axis of the screw conveyor, larger than its transversely measured height.
- the conveyed by the För ⁇ derschnecke in the compression space material can then dodge less strongly transversely to the conveying direction, so that the compression or the transport process is improved towards the crushing tool out.
- the compression space may be at least partially monitored by a sensor device.
- a sensor device Via the sensor device impurities or disruptive bodies can be detected and removed from the housing before they reach the comminution tool .
- the sensor device may comprise, for example, an electromagnetic wave emitting sensor, such as an X-ray sensor and / or a microwave sensor and / or an ultrasonic sensor.
- a controllable flap can be opened on the housing in order to remove the bluff body from the housing.
- the screw conveyor is preferably only at an axia ⁇ len end, where it is driven by the conveyor motor, mounted on the housing.
- the other, free axial end of the conveying screw is free of bearing means.
- the transport of material through the screw conveyor is not hindered by storage ⁇ medium.
- the screw conveyor can also be mounted at both axial ends.
- the feed screw is seated in a housing shaft of the housing, the cross-section of which increases in the direction away from the comminution tool.
- the radius of the screw conveyor can be larger away from the end of the crushing tool zugeord ⁇ Neten.
- the cross section of the housing ⁇ shaft can also be adapted to the contour of the screw conveyor.
- the material delivery can be adapted to the material to be shredded.
- a shaft opening is provided in the housing shaft, which may be surrounded by a filler pipe.
- the filler pipe is preferably vertically aligned.
- the filler pipe can be used as material for the storage to be transported by the screw conveyor material to a smooth material handling and thus a uniform load of the conveyor motor embarkzustel ⁇ len.
- the at least one helix of the screw conveyor can wind around a core extending along the longitudinal axis of the screw conveyor.
- the auger may also be coreless, the helix being cantilevered about the longitudinal axis of the auger. det.
- the spiral winds in this case a free ⁇ space in the longitudinal axis.
- the coreless screw conveyor is lighter. It is, for example, in supplying RESIZE ⁇ ßeren, bulky pieces of material advantage.
- the feeder may also have a plurality of augers. These may be coupled to each other, for example via a transmission. However, it is also possible to associate each auger with a separately controllable conveyor motor. Two or more augers may be arranged in parallel juxtaposition to convey material in the same direction to the comminution tool. Alternatively, it is also possible to provide a stepwise material delivery via a plurality of screw conveyors connected in series to the comminution tool. Furthermore, it may be advantageous to arrange the screw conveyors in different housing shafts, wherein each housing shaft is provided for supplying different materials or of different sized material parts.
- its outer surface may consist of steel, which preferably has a hardness of at least 30 HRC.
- the screw conveyor may have a jet-coated core or alternatively be made entirely of steel.
- FIG. 1 shows a schematic representation of an exemplary embodiment of a comminuting device
- FIG. 2 shows a block diagram for the electrical control of the conveyor motor and of the comminution motor
- Figure 3 shows another embodiment of the Zerklei ⁇ n réellesvortechnisch in a schematic side view.
- FIG. 5 shows a schematic view of a further exemplary embodiment of the comminution device with two housing shafts and in each case one screw conveyor,
- FIG. 6 shows a modified embodiment of the exemplary embodiment according to FIG. 5 in a schematic side view
- FIGS. 7 to 11 different design possibilities of the screw conveyor
- Figure 12 shows another example of the guide from Zerklei- n réellesvorraum in schematic side view, with a compression space between the conveyor screw and the cerium ⁇ size reduction tool
- FIG. 13 shows the embodiment of the crushing ⁇ device of Figure 12 in a schematic view according to section line BB in figure 12, and
- FIG. 14 shows the embodiment of the crushing ⁇ device of Figures 12 and 13 in a partially sectioned view according to section line CC in FIG. 13
- FIG. 1 schematically illustrates a first exemplary embodiment 20a of a comminuting device 20.
- a drivable and in particular rotating crushing tool 22 is mounted in a housing 21 .
- the cerium ⁇ size reduction tool 22 is preferably implemented in the form of a Ro ⁇ gate 23 on its outer surface at least one is fastened outwardly projecting cutting element 24th
- the rotor 23 rotates about its longitudinal axis, which forms the axis of rotation D.
- the cutting element 24 cooperates with a fixedly arranged in the housing 21 cutting edge 25 on which the cutting element 24 is moved ⁇ during the rotation of the rotor 23.
- the cutting edge extends straight, for example horizontally.
- the material supplied to the comminution tool is comminuted. Below the comminution tool 22, a collecting area 26 can be provided for the comminuted material.
- the shredding ⁇ approximately tool 22 and, for example according to the rotor 23 is driven by means of a crusher motor 27th
- the Zer ⁇ reducing motor 27 is executed, for example, as a three-phase motor in the form of an asynchronous motor or a synchronous motor.
- the crushing device 20 further has a feeding device 30, which serves for feeding material to be comminuted to the comminution tool 22.
- the feeding device 30 has at least one conveying screw 32 driven by a conveying motor 31.
- the conveying screw 32 is arranged in a housing shaft 33 of the housing 21. It serves to convey material that is fed to the housing shaft 33 via a shaft opening 34.
- a conveyor belt 35 may be present, which ends at the shaft opening 34 and the material to the shaft 33 and thus the feed screw 32 supplies.
- the Conveyor belt 35 is driven by a transport drive 36 ⁇ .
- all on ⁇ drive means are formed by three-phase motors.
- a control unit 40 controls both the comminuting motor 27 and the conveying motor 31.
- the transport drive 36 is also controlled by the control unit 40.
- the comminution motor 27 may be operated via a frequency converter 41 in one embodiment. It can then be designed as a synchronous motor.
- the frequency converter 41 is connected to the mains voltage of the supply network 42. It converts the mains frequency fi in a variable, predetermined by the control unit 40 operation ⁇ frequency f. 2 for the comminution motor 27 um. In this way, the speed of the synchronous motor on the Be ⁇ drive frequency f. 2 are set.
- the frequency converter 41 may also have a current limiter 39 at its output in order to limit the current provided to the comminution motor 27 to a maximum current value.
- the control unit 40 detects a load size L of the Zer ⁇ reducing motor 27.
- the load size L characterizes the voltage applied to the crushing motor 27 load, for example, the torque currently applied.
- a load size L for example, the motor current can be detected.
- the slip can also serve as load variable L. This can be determined, for example, on the basis of the rotational speed of the comminuting motor 27 and the operating frequency f 2 .
- the load size L may also be a mechanical quantity.
- the control unit 40 controls the conveyor motor 31 and preferably also the transport motor 36 depending on the load size L.
- the speed of the winningmo ⁇ sector 31 is set depending on the load size L so that the load on the crushing motor 27 is within a permissible operating range or a load setpoint equivalent.
- a load setpoint can be specified and the speed of the feed motor 31 can be varied such that the load size L is controlled to the load setpoint.
- the speed of the Födermotors 31 and / or the Transportmo ⁇ sector 36 can be adjusted by the control unit 40, for example by means of a frequency converter.
- the screw conveyor 32 is driven by bainmo ⁇ tor 31 continuously without a standstill.
- the speed of the conveyor motor 31 and the bainschne ⁇ bridge 32 is varied to adjust the load of the crushing motor 32, but, for example, no intermittent render operation of the screw conveyor 32 is provided.
- material is continuously conveyed to the comminution tool 22 and the throughput through the comminution device 20 is increased.
- the screw conveyor is formed by the conveying motor 31 and associated screw 32 can be mounted along its longitudinal axis A displaceable in the housing shaft 33, as is illustrated by double ⁇ arrow 43rd
- This allowed ⁇ light in addition, the pressing in the material being transported towards the comminuting tool by axial Ver ⁇ displacement of the screw conveyor 32.
- the feed screw 32 on one or more coils, the radius along the longitudinal axis A does not change.
- the screw conveyor 32 thus has a cylindrical contour 48.
- the screw conveyor 32 may taper towards its end 44. They can have a frusto-conical contour 49 ( Figures 7, 8) or a tapered manner of a hyperboloid Kon ⁇ tur 50th
- the shape of the housing shaft 33 can be adapted to the contour of the conveying screw 32 arranged therein. In the preferred exemplary embodiments described here, the housing shaft 33 widens away from the comminution tool 22, as shown for example in FIG Figures 3 and 4 is shown.
- the housing shaft 33 widens away from the comminution tool 22, as shown for example in FIG Figures 3 and 4 is shown.
- the housing shaft 33 widens away from the comminution tool 22, as shown for example in FIG Figures 3 and 4 is shown.
- the housing shaft 33 widens away from the comminution tool 22, as shown for example in FIG Figures 3 and 4 is shown
- Shaft cross-section adapted at least in the region of the end 44 of the screw conveyor 32 at the contour 48, 49, 50.
- the shaft cross-section is in this section only by a predetermined clearance larger than the contour of the screw conveyor 32.
- the tapered shape of the housing shaft 33 and / or the screw conveyor 32 causes an increasing Ma ⁇ terialverdichtung in the conveying direction.
- the screw conveyor 32 is designed with only one helix 53, which winds helically around the longitudinal axis A.
- the helix 53 may be made of flat material with a rectangular cross-section ge ⁇ forms.
- the coil is so to speak self-supporting kepts ⁇ taltet and winds around an interior in the region of the longitudinal axis A clearance 54.
- This clearance 54 is at a helix 53 is cylindrical (having a constant helix radius Figures 3, 4).
- Figure 8 with conically tapered screw conveyor 32 of the spiral 53 surrounded space 54 is frustoconical.
- FIGS. 7 and 9 A modified form of the screw conveyor 32 with a closed core 55 in the inner region of the helix 53 about the longitudinal axis A is shown in FIGS. 7 and 9.
- the core 55 may be cylindrical in a spiral 53 having a constant helix radius, as shown in FIG.
- the embodiment of the screw conveyor 32 shown in Figure 8 could be provided with a core 55, which would then have a frusto-conical contour.
- the embodiment shown in Figure 7 of the För ⁇ Dersch corner 32 may overall by widening the band-shaped coil 53 radially inward from the embodiment Measure 8 can be obtained.
- the core 55 is thereby formed by the radially inner part of the helix 53 itself.
- one or more edges may also be rounded off.
- On the cutting edge and sawtooth-like depressions can be formed.
- the helix 53 may have a constant pitch h and a constant pitch angle ⁇ .
- both pitch h and pitch ⁇ are constant over the entire axial length of the screw conveyor 32.
- Both the pitch h, and the pitch angle ⁇ to the end 44 of the screw conveyor 32 decreases. The compression of the material flow thereby increases toward the end 44.
- the wall projections 56 may have the conveyor screw 52 associated corners and / or edges, through which the material is torn open during transport through the screw conveyor 32 and pre-shredded ⁇ way.
- the wall projections 56 can in Housing shaft 33 may be distributed around the longitudinal axis A of the screw conveyor 32 around. It may be sufficient to provide only an axial portion of the housing shaft 33 with wall projections 56.
- FIG. 3 shows a second shredding device 20b.
- a rotary shears 57 vorgese ⁇ hen as a comminuting tool 23rd
- the rotor shears 57 has two parallel to each other ⁇ ordered rotation axes D.
- Around each axis of rotation D is a plurality of plate-shaped scissors bodies 58 arranged at a distance from each other.
- the around an axis of rotation D angeord ⁇ Neten scissors body 58 are staggered and arranged on the scissor bodies 58 of the respective other rotational axis D overlapping in an overlap region 59 between the axes of rotation.
- the scissor bodies 58 are preferably made in one piece from a uniform material. At radially projecting noses of the scissors body 58 cutting edges are formed.
- the plate-like scissors 58 may each have a plurality of outer peripheries
- the longitudinal axis A of the screw conveyor 32 is aligned in the ⁇ preferred embodiments so that it intersects the rotation range of the cutting elements 24 of the comminution tool 22 ⁇ . This preferably applies to all screw conveyors 32 if the feed device 30 comprises several screw conveyors 32.
- the longitudinal axis A of the screw conveyor 32 may be vertically aligned.
- the longitudinal axis A of the screw conveyor 32 is inclined in the range of about 15 degrees to about 90 degrees relative to a horizontal ⁇ plane. Alternatively, magnitude smaller angle of inclination or a horizontal orientation of longitudinal axis A ⁇ are possible.
- the longitudinal axis of the conveyor screw 32 intersects the Ro ⁇ tations Scheme of the cutting elements 24 and extending preferential ⁇ as a distance from the rotation axis D offset.
- the longitudinal axis A is ⁇ towards the comminution site, in which the cutting elements 24 cooperate with the gepurusefes ⁇ th cutting edge 25 and further rotating the cutting elements 24th This is the case when using a rotary shear 57 in the overlapping region 59.
- each screw can be associated with a guide wall 60 32 here which is not shown in detail in FIG. 4
- Darge ⁇ represents in Figure 4
- the two helices wind 53 in opposite directions about their respective longitudinal axis A. While a Wen ⁇ del 53 clockwise winds around the longitudinal axis A, the coil 53 overcomes the other feed screw 32 in the ent ⁇ opposite sense on the left.
- Coiled screws 32 are also provided in the same direction right / right or left / left.
- the coiled spiral conveyors 32 also rotate in the same direction, while co-rotating coiled screws 32 are driven in opposite directions.
- the opposing drive of the counter-rotating screw conveyor by a spur gear 62 with a drive gear 63 and a plurality of meshing with the drive gear 63 output ⁇ gear wheels 64 can be achieved. Only the drive gear 63 is driven by a common conveyor motor 31.
- Each screw conveyor 32 is rotatably connected to a Ab ⁇ drive gear 64.
- the distance between the two longitudinal axes A of the screw conveyors 32 is, for example slightly greater than twice the radius of the helix 53. Alternatively, the distance could also be less, so that the two helices overlap or engage centrally between their longitudinal axes A. This is possible if both augers 32 are driven at the same speed, so that no collisions can occur in the engagement region of the two augers 32.
- a comminuting device 20 has a plurality of conveying screws 32, these can also be driven by separate conveying motors 31, as shown in FIG.
- a plurality of rotors 23 arranged parallel to one another can also be provided. These can be coupled in motion via a gear 61, so that a single comminution motor 27 is sufficient for the operation of the rotors 23.
- each rotor 23 can also be driven by a separate comminution motor 27 assigned to it. ben.
- the load sizes of each shredding motor 27 are detected and their loads kept within the allowable load range or controlled to a load setpoint.
- each housing shaft 33 is associated with a screw conveyor 32.
- the fourth crushing device 20d has two screw conveyors 32, which can be driven independently of each other by a respective associated conveying motor 31.
- the pitch h and the pitch angle ⁇ of one auger 32a are smaller than the pitch h and the pitch angle ⁇ of the other auger 32b.
- About the respective housing shafts 33 can be supplied to the comminution device 22 in ⁇ example different sized or coarse material.
- FIG. 1 A modification of the fourth crushing device 20d is shown in FIG.
- a conveyor screw transports the material 32b not 32a directly to the comminuting tool 22, but into the housing slot 33 of the respective walls ⁇ ren auger. From there, the material then becomes Crushing tool 22 transported further. It is per ⁇ but also possible to supply through a housing opening 34 directly to the material of the milling tool 22 associated with conveying screw 32a.
- the fifth crushing device 20e includes a plurality and arranged in ⁇ game according to two parallel conveyor worm ⁇ 32nd Each auger 32 is associated with a separate conveyor motor 31, wherein alternatively, a single conveyor motor could be provided, as shown for example in Figure 4.
- the screw conveyors 32 are rotatably mounted on the housing 21 only at their drive end 70 assigned to the conveyor motor 31. The opposite free end 44 of the screw conveyor 32 is unsupported. The screw conveyor 32 it ⁇ thus extends from its drive end 70 so ⁇ satisfied cantilevered into the housing shaft 33rd
- the housing shaft 33 in which the two randomlyschne ⁇ blocks 32 are arranged, has a height z, which apart from the necessary clearance between the inner wall of the housing 21 and the screw conveyor 32 corresponds to the diameter of randomlyschne ⁇ bridge.
- the height z is measured transversely to the longitudinal axis A of the screw conveyors 32 and transversely to the axis of rotation D of the rotor 23. In the embodiment described here, the height z is in the vertical direction.
- the two longitudinal axes A of the screw conveyors 32 and the axis of rotation D of the rotor 23 lie in a common plane, which in particular runs horizontally.
- the longitudinal axes A of the two augers 32 are inclined relative to a horizontal plane, for example, by up to 20 degrees or 30 degrees in amount.
- the housing shaft 33 is divided into three shaft sections in thisariessbei ⁇ game. The first
- Shaft portion 71 is located in the region of the shaft ⁇ opening 34.
- Shaft section 71 is followed by a middle, second shaft section 72.
- This second shaft portion 72 is surrounded by the housing 21 and located outside the shaft ⁇ opening 34.
- the second shaft section 72 thus extends from the edge of the shaft opening 34 in the direction of the longitudinal axis A of the screw conveyor 32 up to its free end 44.
- the third manhole section 73 which forms a compression space 74.
- the length x of this compression space 74 corresponds to the distance from the free end 44 of the screw conveyor 32 to the comminution tool 22. This length x of the compression space 74 is greater than its height z.
- the width y of the compression chamber 74 is at the off ⁇ operation example slightly larger than the sum of the diameters of the two arranged in the housing shaft 33
- originallyschne ⁇ CKEN 32 corresponds to the axial dimension of the grinding tool 22 forming the rotor 23 74 approximately to the width y of the compression chamber
- both Augers 32 is so ⁇ associated with a common crushing tool 22.
- the two worm conveyors 32 are each associated with a conveyor pan 75, which it extends along the first ⁇ Schachtab ⁇ section 71 and the second chute section 72nd
- the conveyor trough 75 is open to the shaft opening 34. Your wall course is adapted to the Durckmesser the screw conveyor 32, for example, the conveyor trough 75 has approximately the shape of the lateral surface of half a cylinder. Between the two augers 32, the conveyor troughs 75 abut one another at approximately the level of the longitudinal axes A. form there a common edge 76.
- the screw conveyor 75 is shown in Figure 12 only by dashed lines.
- the compression chamber 74 is free of transport and crushing tools.
- the compression chamber 74 bounding inner wall of the housing 21 is preferably free of protruding into the compression space 74 projections.
- the dimensions x, y, z of the compression space 74 are constant.
- the compression space 74 for the comminution tool 23 could also taper in one or more spatial directions.
- a sensor device 77 In the compression chamber 74, a sensor device 77 is provided, can be detected by the bluff body.
- the sensor device 77 emits electromagnetic waves into the compression space 74 and receives their reflections.
- Transmitters and receivers of the sensor device 77 may be arranged as a common unit or alternatively ge ⁇ separates on opposite sides of the compression space 74th
- the sensor device 77 transmits a sensor signal S to a Ausnceeinrich ⁇ tung, which is provided for example in the control unit 40 for the control of the conveying motor 31 and / or the shredding motor ⁇ 27th
- a flap 78 is provided on the underside of the housing 21 in the vertical Rich ⁇ tion seen below the compression space 74.
- the flap 78 can be switched over between a closed position closing the compression space 74 from the outside and an open position opening the compression space 74 to the outside.
- the open position of the flap 78 is illustrated by dashed lines in FIG. Switching the flap 78 between the open position and the closed position is controlled by the evaluation device. ert, which is formed in the embodiment of the control unit 40.
- the flap 78 is opened and the bluff body can escape from the compression space 74 through the housing opening released from the flap 78 be removed.
- the opening and closing of the flap can be done by a suitable drive, for example by means of fluidly and in particular hydraulically actuated cylinders 69.
- Below the flap 78 is preferably a
- Conveyor belt 79 is provided which removes the material removed from the compression space 74 before comminution.
- the conveyor belt 79 can be switched on for this purpose via the control device 40 when the flap 78 is brought into the open position. After closing the flap 78, the conveyor belt 79 still runs depending on the transport path for a predetermined time and then is turned off by the control unit 40 again. Alternatively, the conveyor belt 79 can also be operated continuously.
- the comminuting area 80 is provided in the housing 21.
- the crushing zone 80 the grinding tool 22 and ⁇ play of the rotor 23 is disposed.
- the portion of the Ge ⁇ koruses 21, which surrounds the crushing zone 80, has a sieve 81 in the fifth crushing device 20e.
- the screening part 81 is preferably displaceably and / or pivotably mounted in order to allow access to the comminuting area 80 and in particular to the comminuting tool 22.
- the screening member 81 is at least in part ⁇ example of a grid-like or mesh-like structure 82 formed, which is illustrated schematically in Figure 12 by the cross-hatching.
- the sieve structure 82 is At least in the region of the screening part 81, via which the material shredded by the comminuting tool 22 is removed from the housing 21.
- the screen structure 82 is provided in the lower portion of the screen member 81. The crushed material falls through the sieve
- a filler pipe 85 is provided around the manhole opening 34.
- This filler pipe 85 has a rectangular cross-section in the embodiment.
- the ⁇ A filler pipe 85 extends substantially perpendicular to the longitudinal axis A of the screw conveyor 32 from the shaft opening 34 clear. It defines a loading chamber 86.
- the volume VI of the Einglallraums 86 corresponds to the execution ⁇ example in approximately the volume V2 of the compression space 24, but can alternatively be chosen larger.
- the first and second chute section 71, 72 to the auger 32 around remaining volume V3 is also preferably as large approximately as the volume V2 of the compaction ⁇ processing space 74.
- the screw conveyor 32 is in all embodiments made at least on its outer surface of a hard material, for example having a hardness of preferably at least 30 HRC. As steel materials used ⁇ to.
- the screw conveyor 32 may be formed entirely of the hard material or merely have a hard outer ⁇ layer.
- the described embodiments may be combinatorial ⁇ ned.
- the drive shown in Figure 1 can be used in all embodiments.
- the various forms of screw conveyors can be used according to the figures 7 to 11 in all versions.
- the conveyor trough described in connection with Figures 12 to 14 or 75 via the tung 77 Sensoreinrich ⁇ controlled flap 78 can also be realized in the other from ⁇ EMBODIMENTS.
- the invention relates to a crushing device 20 with a crushing tool 22 and a conveyor ⁇ screw 32.
- the screw conveyor 32 is driven by a bainmo ⁇ tor 31.
- the comminution tool 22 is moved by means of a comminution motor 27.
- Both motors 27, 31 are preferably designed as three-phase motors. They are controlled by a control unit 40.
- the control unit 40 detects a load and in particular the torque of the motor 27 described crushing load ⁇ size L. Depending on this load size L of the operation ⁇ state of the conveying motor 31 is adjusted. Specifically, the rotational speed of the feed motor 31 is changed to increase or decrease the load of the crushing motor 27.
- the conveying motor 31 and in particular also the comminuting motor 27 are operated continuously during standstill phases during the operation of the comminution device 20.
- the invention also relates to a comminution direction in which between the screw conveyor 32 and the screw conveyor 32 on the one hand and the crushing tool 22 on the other hand, a tool-free compression chamber 74 is present.
- Its volume V2 corresponds approximately to the volume V3, which remains in the housing 21 to the screw conveyor 32 and screw conveyor 32 around.
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010036761 DE102010036761A1 (de) | 2010-07-30 | 2010-07-30 | Zerkleinerungsvorrichtung mit Schneckenförderer |
PCT/EP2011/063214 WO2012013820A2 (de) | 2010-07-30 | 2011-08-01 | Zerkleinerungsvorrichtung mit schneckenförderer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2598249A2 true EP2598249A2 (de) | 2013-06-05 |
EP2598249B1 EP2598249B1 (de) | 2014-06-11 |
Family
ID=44629323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11738450.3A Not-in-force EP2598249B1 (de) | 2010-07-30 | 2011-08-01 | Zerkleinerungsvorrichtung mit schneckenförderer |
Country Status (3)
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---|---|
EP (1) | EP2598249B1 (de) |
DE (1) | DE102010036761A1 (de) |
WO (1) | WO2012013820A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102011088414A1 (de) * | 2011-12-13 | 2013-06-13 | Cerdur Ceramic GmbH | Mahlverfahren und Mahlvorrichtung zur Herstellung von Nano-Mahlgut |
DE202016103944U1 (de) * | 2016-07-20 | 2017-10-23 | STF Maschinen- & Anlagenbau GmbH | Fördervorrichtung |
CN109499704A (zh) * | 2018-12-26 | 2019-03-22 | 宁波开诚生态技术有限公司 | 一种有机质分离一体机 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2732138A (en) * | 1956-01-24 | forth | ||
DE2264826C3 (de) | 1972-12-12 | 1978-07-13 | Kloeckner-Humboldt-Deutz Ag, 5000 Koeln | Vorrichtung zur Regelung der Antriebsdrehzahl eines einer Zerkleinerungsmaschine mit elektrischem Antriebsmotor Gut zuführenden Förderers |
DE2831641C2 (de) * | 1978-07-19 | 1985-10-31 | Koch Transporttechnik GmbH, 6633 Wadgassen | Vorrichtung zum Zerkleinern von feuchter Abfallmasse |
DE9017817U1 (de) * | 1989-06-24 | 1992-03-12 | Lenz, August, 8710 Kitzingen | Schrotmühle, insbesondere Naßschrotmühle für die Maischeherstellung bei der Biererzeugung |
FR2700278B1 (fr) * | 1993-01-12 | 1995-03-31 | Cmb | Système d'alimentation pour un appareil de broyage de pièces non métalliques, le système étant équipé d'un dispositif de détection. |
DE4341606C2 (de) * | 1993-12-07 | 1999-04-29 | Stephan & Soehne | Verfahren und Vorrichtung zum Schneiden von stückigen verzehrbaren Produkten |
DE50004301D1 (de) * | 1999-02-11 | 2003-12-11 | Bucher Guyer Ag Masch | Vorrichtung zur zerkleinerung von organischen substanzen |
WO2005039777A1 (ja) * | 2003-10-29 | 2005-05-06 | Komatsu Ltd. | 破砕装置 |
DE102006003529A1 (de) * | 2006-01-24 | 2007-08-09 | Herbold Meckesheim Gmbh | Vorrichtung zum Zerkleinern von Teilen beliebiger Art |
DE102006042255B4 (de) * | 2006-09-08 | 2014-02-13 | Komptech Gmbh | Zerkleinerer |
DE202007006712U1 (de) | 2007-05-10 | 2007-07-19 | Mewa Recycling Maschinen Und Anlagenbau Gmbh | Schrauben-Nachdrückeinrichtung für Zerkleinerungseinrichtung |
-
2010
- 2010-07-30 DE DE201010036761 patent/DE102010036761A1/de not_active Withdrawn
-
2011
- 2011-08-01 WO PCT/EP2011/063214 patent/WO2012013820A2/de active Application Filing
- 2011-08-01 EP EP11738450.3A patent/EP2598249B1/de not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2012013820A2 * |
Also Published As
Publication number | Publication date |
---|---|
EP2598249B1 (de) | 2014-06-11 |
DE102010036761A1 (de) | 2012-02-02 |
WO2012013820A3 (de) | 2012-07-26 |
WO2012013820A2 (de) | 2012-02-02 |
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