EP2613884B1 - Zerkleinerungsvorrichtung - Google Patents
Zerkleinerungsvorrichtung Download PDFInfo
- Publication number
- EP2613884B1 EP2613884B1 EP11757832.8A EP11757832A EP2613884B1 EP 2613884 B1 EP2613884 B1 EP 2613884B1 EP 11757832 A EP11757832 A EP 11757832A EP 2613884 B1 EP2613884 B1 EP 2613884B1
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- EP
- European Patent Office
- Prior art keywords
- cutting element
- air
- cutting
- pressure
- compressed
- Prior art date
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Images
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
- 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
-
- 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
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
- B02C18/0092—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage for waste water or for garbage
-
- 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
- B02C18/062—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives with rotor elements extending axially in close radial proximity of a concentrically arranged slotted or perforated ring
-
- 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
-
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
- D21D1/306—Discs
-
- 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
- B02C2018/164—Prevention of jamming and/or overload
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2210/00—Codes relating to different types of disintegrating devices
- B02C2210/01—Indication of wear on beaters, knives, rollers, anvils, linings and the like
Definitions
- the invention relates to a crushing device comprising a first cutting element, comprising at least a first cutting edge, a second, movable on a first movement path relative to the first cutting element cutting element comprising at least a second cutting edge, wherein the second cutting element abuts the first cutting element in such a way the relative movement of the second cutting element along the first trajectory causes a shearing action between the at least one first cutting edge and the at least one second cutting edge, an adjuster mechanism which adjusts the second cutting element relative to the first cutting element in a second trajectory such that upon wear of the first traction element and / or second cutting element as a result of the relative movement along the first movement path, the first cutting element is tracked for permanent contact with the first cutting element.
- Cutting devices of this design are used to comminute solids, solid masses or solids-containing liquids and are used in particular as so-called.
- Wet crusher for example in the food industry, the treatment of organic suspensions for further energy use or other agricultural uses mixed with solids mixed, flowable mixtures and in this case to crush the solids contained therein.
- a cutting device of the type mentioned is out PCT / EP2010 / 053800 , also published as DE 20 2009 003 995 U , known.
- the first and second cutting element are formed by a fixed, circular perforated disc on the one hand and a rotating around the central axis of the perforated disc blade, which rests with a cutting edge on the surface of the perforated disc.
- the mass to be crushed is pressed through the holes in the perforated disc and thereby crushed by passing through the holes solids by a shearing action between the knife edge and an edge bounding the respective hole by shearing.
- an adjusting mechanism which is designed to keep the two cutting elements always in contact with each other and if possible with a defined contact force to each other. From the above-mentioned prior art, for example, an adjusting mechanism in the manner of a ball freewheel with bias is known for this purpose.
- the invention is therefore based on a first aspect of the object to provide a crushing device, which opens up a simple way to determine the state of wear.
- the adjusting mechanism comprises a leak-free hydraulic cylinder which is mechanically operatively coupled between the first and the second cutting element to effect an adjustment movement between the first and second cutting element by an actuation of the hydraulic cylinder and by a pressurization of the hydraulic cylinder Concurrently effected concerns of the first and second cutting element, and that the hydraulic cylinder is in hydraulic communication with a hydraulic pneumatic closed volume comprising a pressure vessel whose volume is filled to a first part with a hydraulic fluid and to a second part with air and the wall thereof is formed at least partially transparent for reading the hydraulic fluid level along a scale, which occurs in the operating boundary area between an air volume fraction and a hydraulic volume fraction in defines the hydraulic-pneumatic closed volume and reflects a state of wear of the first and second cutting element.
- a specific type of adjusting mechanism is provided according to the first aspect, which is designed such that there is a comfortable Ableseitzkeit for the state of wear of the two cutting elements.
- the invention makes use in a special way that a hydraulic adjustment on the one hand, if it experiences an air cushion in the hydraulic system pressurization, at a sufficiently large ratio between the volume of the air cushion and the hydraulic volume moved by the Nachstelldoch a nearly achieved constant biasing force over the entire Nachstellweg, but at the same time opened by the water level readability of the trailing path.
- This reading option is formed by a leak-free hydraulic cylinder, in particular by a total leakage-free hydraulic system of such a type that thereby a readout of the wear state on the basis of the hydraulic fluid level is made possible over the entire service life of the cutting elements.
- a leak-free hydraulic cylinder or a leakage-free hydraulic system is to be understood as meaning a hydraulic cylinder or hydraulic system which exclusively uses hydraulic components which completely prevent the escape of hydraulic fluid from the pressure side.
- such hydraulic systems are considered to be non-leakage designed such that hydraulic fluid exiting the pressure system, for example, due to a partially desired leakage in a hydraulic actuator, this hydraulic fluid is then collected in a collecting memory and is returned to the hydraulic pressure system by means of a hydraulic pump.
- Decisive for the function according to the invention is that the volume of the total hydraulic fluid moved in the hydraulic system on the pressurized side does not change over the entire period of use of the comminuting device.
- a hydraulic cylinder is to be understood as a hydraulic actuator of any design that converts a hydraulic pressure into a mechanical force and movement. This can be done for example by a linear cylinder or a rotary cylinder.
- the hydraulic cylinder is mechanically functionally coupled between the first and second cutting elements. Under this functional coupling of the hydraulic cylinder between the first and second cutting element is in this case no real spatial arrangement of the hydraulic cylinder between the first and second cutting element to understand.
- this functional coupling of the hydraulic cylinder for example take place by the one cutting element is fixedly mounted in a housing to which the cylinder part of the hydraulic cylinder is fixedly coupled and the other cutting element is arranged relatively movable to this first cutting element within the housing and the piston of the hydraulic cylinder via a push rod or the like with this second cutting element is coupled.
- a hydraulic rotary cylinder with its cylinder housing fixedly coupled to a housing and a first cutting element mounted thereon and the rotational movement of the hydraulic cylinder are transmitted via a worm gear on a push rod which acts on a second cutting element and this relative to the housing with respect to moves the first cutting element.
- a hydraulic-pneumatic closed volume is to be understood as meaning a system constructed from one or more pressure vessels and the hydraulic cylinder and these components, compressed air lines, valves and the like, which is closed to the environment.
- a hydraulic-pneumatic closed volume is provided with a pressure vessel which at least partially comprises a transparent wall.
- this may be a glass cylinder or glass beaker, in which, when correctly installed, the boundary between hydraulic fluid and air in the hydraulically-pneumatically closed volume, namely at each position of the two cutting elements moving due to wear.
- this level reading can be done by a transparent strip that extends across the level in the wall as a wall part.
- a scale which assigns the hydraulic fluid directly to a state of wear, for example by a scale of 100% to 0% drawn there as a scale or by the adjustment in a unit length, for example in mm, is entered as a scale.
- the hydraulic-pneumatic closed volume via a compressed air line with a check valve with an air pump or a compressed air port for pressurizing the pressure vessel is in communication and the check valve acts so that there is a flow from the pressure vessel into the air pump or prevents the compressed air connection.
- the compressed air line is connected to a volume portion of the closed volume in which there is no hydraulic fluid.
- the hydraulic cylinder is adjustable between a first position, in which the two cutting elements abut each other in an unworn new state, and a second position, in which the two cutting elements abut each other in a worn and an exchange-requiring consumption state is and between these two positions has a hydraulic volume change, and that this volume change corresponds to a maximum of twenty percent, preferably at most ten percent of the air volume fraction in the hydraulic-pneumatic closed volume.
- the volume expansion which takes place by an adjusting movement of the completely unworn to the fully worn state of the cutting elements, set in such a ratio to the air volume fraction in the hydraulic-pneumatic closed volume, that by the expansion of this air volume fraction no significant reduction in the biasing force takes place, with which the two cutting elements are pressed together.
- the air volume fraction is calculated as the total volume of air in the closed volume and the hydraulic volume change can usually be calculated by the hydraulically effective cross-sectional area of the hydraulic cylinder can be calculated with the travel of the hydraulic cylinder between the first, unworn and the second, worn position.
- this solution can also be provided to divide the hydraulic-pneumatic closed volume into a volume filled with air and filled with air and hydraulic fluid volume and to connect these two volumes via an adjustable pressure reducing valve with each other.
- a constant pressure over the entire Nachstellweg be maintained as long as the pressure in the air-filled volume above the pressure in the filled with air and hydraulic fluid volume and can be correspondingly reduced to a constant level.
- the hydraulic cylinder is adjustable between a first position, in which the two cutting elements abut each other in an unworn new state, and a second position, in which the two cutting elements abut each other in a worn and an exchange-requiring consumption state, and between these two positions has a hydraulic volume change
- the pressure vessel in the region of the scale has a cross-sectional area along the level which is at most so large that the ratio between the hydraulic volume change of the hydraulic cylinder and the cross-sectional area greater than 1cm, preferably greater than 2cm is.
- the level change that results in the course of an adjustment movement is designed to such a size that a sufficient resolution when reading the state of wear is achieved.
- the hydraulically effective cross-sectional area of the hydraulic cylinder as an influencing variable and in particular their relationship to the cross-sectional area of the level, ie the surface of the hydraulic fluid in the interface to the air volume.
- a possibly provided leverage of the movement of the hydraulic cylinder with respect to the Nachstellterrorism the two cutting elements influence each other, for example, when the cylinder movement is reduced, so that a travel of the cylinder causes a Nachstellweg the two cutting elements, which is smaller than the travel , or that the cylinder is translated, that is achieved by a small travel a larger Nachstellweg.
- the hydraulic cylinder act on a transmission rod which transmits an adjusting force to a second rotating cutting element and which is guided within a hollow shaft which transmits a rotational movement from a drive motor to the second cutting element and a first cutting element through a cutting screen is formed, which has a plurality of openings whose boundary edges forming cutting edges along which the second cutting element is rotatably moved, thereby causing a shearing action between the first cutting element and the cutting edges of the second cutting element.
- the pressure vessel and the air pump are integrally formed on a pressure unit and the air pump includes a piston connected to a manual operation handle via a piston rod, and further comprising a cylinder sealingly receiving the piston, preferably pivotally mounted on the printing unit.
- the pressure vessel comprises a first pressure vessel having a first portion for hydraulic fluid and a second portion for air, the wall of which is formed at least partially transparent for detecting the level of the hydraulic fluid and having a scale for reading the state of wear , and a compressed air tank, which is connected to the section for air of the first container via a compressed air line, and that the compressed air tank is in communication with the air pump or compressed air connection.
- This embodiment divides the closed volume into two containers, wherein in a first container both hydraulic fluid and air volume is located and thus this container comprises the level required for reading and has a corresponding scale.
- this first container may be bounded by a glass tube or a glass cup to thereby facilitate the readability in a simple manner.
- a second compressed air tank is provided which contains only compressed air.
- the compressed air tank which may have a correspondingly large cross-section, thereby providing the above-described preferably large ratios between the air volume and the volume changed by the Nachstellieri volume throughout the closed system.
- this embodiment is preferred when the first pressure vessel and the compressed air tank are connected to each other via an adjustable pressure reducing valve, in this case, the compressed air tank acts as a pressure reservoir for this pressure reducing valve.
- the compressed air tank is connected to a first pressure vessel containing hydraulic fluid and an air volume via an adjustable pressure reducing valve, which can be adjusted between at least one, preferably at least two of the following valve positions: in which the compressed air tank and the first pressure vessel connected to each other and shut off from the ambient pressure, a second position in which the compressed air tank is connected to the ambient pressure and the first pressure vessel is shut off from the ambient pressure and the compressed air tank, a third position in which the first pressure vessel connected to the ambient pressure and the compressed air tank is shut off from the ambient pressure and the compressed air tank, a fourth position in which the first pressure vessel and the compressed air tank are connected to the ambient pressure, and / or a fifth position in which the first pressure vessel is shut off from the compressed air tank and the first pressure vessel and the compressed air tank are shut off from the ambient pressure, wherein the multi-way valve in the first, second, third and / or fourth position preferably acts as an adjustable pressure reducing valve.
- This adjustable pressure reducing valve thus makes it possible, on the one hand, to connect the first pressure vessel to the ambient pressure while maintaining the pressure in the compressed air tank, and thus to allow the cutting elements to be moved relative to one another, without the hydraulic cylinder being disengaged from its coupling with this two cutting elements would have to be removed mechanically and thus comfortably perform a change of one or both cutting elements.
- the pressurization of the first pressure vessel from the compressed air tank After the change can take place by appropriate transverse position of the pressure reducing valve, the pressurization of the first pressure vessel from the compressed air tank.
- the pressure reducer valve the pressure in the entire system can be lowered by connection to the ambient pressure and, as a result, an adjustment of the contact force between the two cutting elements can be achieved.
- a positive connection is formed, which is positively formed in a circumferential direction for transmitting the required driving force for the first movement path and in an axial direction is movable for performing an adjustment movement along the second movement path.
- a lubricant-filled cavity is formed between a first surface formed on the first cutting element or a component coupled to the first cutting element and a second surface formed on the second cutting element or a component coupled to the second cutting element is formed, whose volume is reduced by an adjusting movement of the second cutting element along the second movement path and which is in fluid communication with the positive connection in the supply of lubricant to the positive connection (see also the comments on the second aspect of the invention).
- the invention provides that this lubrication is achieved in a simple yet reliable manner by providing a cavity in the region of the adjusting mechanism, from which a lubricant in the region of the surfaces moving relative to one another for movement along the second movement path is lubricated can promote.
- the promotion of this cavity is achieved according to the invention by the cavity of such kind is limited by walls, which are in communication with each other by the Nachstelliolo moving components and thereby reduce the volume of the cavity during an adjusting movement.
- a lubricant in the cavity is in this configuration at each readjustment movement with the resulting reduction in volume of the cavity in small portions between the relatively moving parts of the positive connection promoted and thereby causes a running and low-dose lubrication of the positive connection.
- This lubrication is achieved without an additional lubricant pump or the like and without their own drive and takes place in a metered manner by the self-lubricating readjustment itself.
- the cavity can be sized such that over a long period of time a supply of lubricant is ensured in the positive connection, In particular, it can be provided that the cavity can be refilled with lubricant from the outside. For example, this may be necessary if one of the two cutting elements or both must be replaced due to serious wear and the Nachstellmechanismus is thereby reset to an initial position, whereby the cavity is expanded to its initial size and then filled with lubricant.
- the lubricant-filled cavity is connected to a lubricant nipple for supplying lubricant into the cavity.
- This configuration makes it possible to fill the cavity with new lubricant at regular maintenance intervals, it being understood in principle that the cavity can always be filled with such an amount of lubricant that it lubricates the positive connection over the entire adjusting period of the operation of a cutting element pairing ensures, ie from the installation of new cutting elements to the wear-related change of these cutting elements, and then to fill the cavity with new lubricant after returning the Nachstellmechanismus to an initial position and replacement of one or both cutting elements.
- the lubricant according to the invention is in particular a hydrocarbon-based grease, in particular mineral oil-based, although other lubricants such as silicone-containing lubricants, graphite-containing lubricants, soap-based lubricants or liquid lubricants such as mineral oils or synthetic oils can be used.
- the second trajectory is perpendicular to the first trajectory.
- the first cutting element is a perforated disc and a plurality of first cutting edges are formed by openings in the perforated disc bounding walls
- the second Cutting element comprises a rotating on the surface of the perforated disc along the first path of movement of the knife.
- the perforated disc may in this case be in particular circular and have a multiplicity of openings, such as bores, triangular or trapezoidal recesses or passage openings of other cross section.
- this design enables an efficient media guidance, in that the openings of the first cutting element are flowed through by the solids to be cut.
- an effective cutting action distributed over many cutting edges on the first cutting element is achieved by forming a plurality of first cutting edges on the first cutting element through the boundary edges of the openings and having one or more cutting edges in the shape of those on the first cutting edge Cutting element rotating blades are formed.
- the second cutting element comprises a knife rotating on the surface of the first cutting element along the first movement path
- the form-locking connection is formed between a knife holder receiving the knife and a drive shaft driving the knife, in particular a form-fitting shaft Hub connection between a shaft driving the second cutting element and a hub body holding the second cutting element, in particular a splined connection or a feather key connection.
- the drive element is formed by a drive shaft, which can be driven for example by an electric motor and causes a rotating movement of the blade on the first cutting element.
- the second cutting element are also formed by a plurality, for example two, three or four knives, which are spaced apart from each other by a circumferential angle and are driven together. It can further be provided that the drive shaft is axially displaced even for an axial displacement movement of the second cutting element or that this another element, such as a pull or push rod, which is guided in a drive shaft designed as a hollow shaft, this axial movement for the readjustment causes.
- the crushing device comprises an inlet opening 110, through which solids-laden liquids are supplied.
- the solids-laden liquid impinges on an annular orifice plate 120 which is provided with a plurality of openings through which the solids and liquid can pass.
- the perforated disc is fixedly mounted on an outlet housing 130 into which the solids-laden fluid enters after the comminution of the solids contained therein and can leave this outlet housing through an outlet opening in the radial direction.
- a knife holder 140 On the side facing the inlet opening of the perforated disc 120, a knife holder 140 with a total of four blades 141 a - d disposed thereon is arranged.
- the blades 141a-d are located with their cutting edges on the surface 121 of the perforated disk 120 facing the inlet opening.
- Each blade 141 a - d extends in the radial direction, starting from a rotational axis 100 concentric with the central longitudinal axis of the perforated disc 120.
- the knife holder 140 with the knives 141 ad attached thereto is set in rotary motion by means of a hollow drive shaft 150 about this axis of rotation 100, as a result of which the knives rotate in a circular path on the perforated disc 120.
- a shearing action is achieved between the knife edges and the boundary edges of the holes within the perforated disc, which results in the comminution of the solids entering the holes.
- the rotational movement is transmitted from the hollow shaft 150 to the knife holder 140 via a shaft-hub connection 151.
- the shaft-hub connection allows axial mobility of the knife holder 140 to the hollow shaft 150th
- the hollow shaft 150 is driven by a drive motor 190 and transmits the rotary motion to the blades 141 a - d.
- the drive shaft 150 is designed as a hollow shaft and transmits the torque by means of a splined connection 154 on the blades 141 a - d.
- the blades 141 a - d are axially movable but guided torque-tight with respect to the hollow shaft 150 in the spline connection 154 and can thereby perform an adjustment movement of the cutting blades 141 a, b on the cutting screen 120.
- a pull rod 160 is guided.
- the pull rod 160 transmits the axial clamping and adjusting force of a thereto on the axial end 161 of the pull rod 160 Vietnamesestellantriebsvorraumraum on the fair holder 140th
- the adjuster drive device comprises a cylinder 165 which is fixedly connected to the hollow shaft and in which a piston 166 is mounted so as to be axially displaceable.
- the piston 166 is fixedly connected to the pull rod 160.
- a hydraulic connection element 167 is attached, by means of which hydraulic fluid can be pressed under pressure into the intermediate space 168 between the piston 166 and the cylinder 165.
- Fig. 1 shows the crushing device according to the invention in a state in unworn, new cutting elements 141 a, b, 120.
- the piston 166 can lift up from the cylinder 165 and pulls the pull rod 160 in the direction of the arrow 102 out of the hollow shaft 150, whereby the cutting blades 141 a, b are moved in the direction of the cutting screen 120.
- a cavity 180 is arranged, into which a lubrication nipple 182 and a lubrication bore 181 Lubricant can be filled from the outside. Due to the approach of the end faces 153, 163, this hollow space reduces its volume when a readjusting movement of the knife holder 140 takes place in the direction of the arrows 101.
- lubricant arranged in the cavity 180 is pressed into the lubricating gap 183 in the area of the splined connection and thereby reliably ensures mobility and reliable readjusting movement of the cutting blades 141a-d with respect to the cutting screen 120.
- the pull rod 160 is acted upon by a unidirectional linear hydraulic cylinder 210.
- the hydraulic cylinder 210 is coupled to the pull rod 160 such that upon application of pressure to the hydraulic cylinder and consequent extension of the hydraulic cylinder onto the pull rod 160, a pulling force is transmitted to the cutters 141a - Press d on the cutting screen 120.
- Fig. 3 shows schematically the structure of the hydraulic system.
- the hydraulic cylinder 210 is connected to a level pressure vessel 220 by means of a parallel check valve 211 and a throttle 212.
- hydraulic oil is disposed in a lower portion 220a, which also fills the communication line to the hydraulic cylinder 210 and its pressurized side.
- the level pressure vessel 220 further has an air volume 220b in a volumetrically approximately equal ratio to the oil therein. Between the air volume 220 b and the hydraulic oil volume 220 a, an oil level 221 is formed.
- the level pressure vessel 220 further includes a scale 222.
- the level pressure vessel 220 is made of a pressure-resistant glass cup with a metallic cap, so that the level between air and hydraulic oil can be read from the outside.
- a scale 222 is arranged, which makes it possible to assign the level to an extension of the hydraulic cylinder 210.
- This extended state of the hydraulic cylinder 210 in turn corresponds to a Nachstellweg and consequently a state of wear of the cutting blades 141 a - d and the cutting screen 120.
- the wear state of the cutting blade and the cutting screen as cumulative wear of both sides is visualized by the level on the scale.
- the filled with air 220b portion of the level pressure vessel 220 is connected by means of an air pressure line 231 with a compressed air tank 230.
- an adjustable pressure reducing valve 232 is used in the compressed air line 231.
- This pressure reducing valve 232 makes it possible to selectively connect the compressed air tank or the level pressure vessel 220 to the ambient pressure.
- the compressed air tank 230 and the level pressure vessel 220 can also be connected via the pressure reducer valve 232 to the ambient pressure. In a normal operating position, the pressure reducing valve 232 connects the compressed air reservoir with the level pressure vessel and blocks both containers from the environment.
- a manually operable air pump 240 is connected and fixed via a check valve 241.
- a desired internal pressure can be built up in the compressed air tank to thereby produce a contact pressure between the cutting blades 141 a - d and the perforated wire 120 by means of the hydraulic oil in the hydraulic-pneumatic closed system.
- FIGS. 4 to 9 show the hydraulic unit of the crushing device according to the invention in different views.
- this hydraulic unit comprises a glass cup 225, which has on the bottom side a connection 226 for connection to the hydraulic cylinder 210.
- the scale 222 is printed on the glass wall of the glass cup 225.
- the glass cup 225 is sealingly fixed by means of a screw 227 to a housing body 235.
- a screw 227 In the housing body 235 of the compressed air tank 230 is arranged as a cavity and sealed by an upper cover 236.
- the compressed air tank 230 can be acted upon either by means of a manually operated air pump 240 with compressed air. Alternatively, the compressed air tank 230 can also be acted upon by compressed air via a compressed air connection 250.
- the compressed air tank 230 is connected by means of a longitudinal bore 233, which opens into a transverse bore 234 and a diagonal bore 228 with the level pressure vessel.
- a valve insert is used, which can be actuated from the outside and allows either the compressed air tank or the level pressure vessel is connected to ambient pressure or the compressed air tank and the level pressure vessel connected to each other and are closed by the ambient pressure.
- the hydraulic unit further two pressure gauges 261, 262 are arranged.
- the upper pressure gauge 261 indicates the air pressure in the compressed air tank 230.
- the lower pressure gauge 262 shows the pressure in the level pressure vessel.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
- Crushing And Grinding (AREA)
- Fluid-Pressure Circuits (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Actuator (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL11757832T PL2613884T3 (pl) | 2010-09-09 | 2011-09-09 | Urządzenie rozdrabniające |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202010012373U DE202010012373U1 (de) | 2010-09-09 | 2010-09-09 | Zerkleinerungsvorrichtung mit selbstgeschmierter Nachstellung |
DE202010012495U DE202010012495U1 (de) | 2010-09-13 | 2010-09-13 | Zerkleinerungsvorrichtung mit Verschleißanzeige |
PCT/EP2011/065691 WO2012032175A2 (de) | 2010-09-09 | 2011-09-09 | Zerkleinerungsvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2613884A2 EP2613884A2 (de) | 2013-07-17 |
EP2613884B1 true EP2613884B1 (de) | 2014-06-25 |
Family
ID=45811008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11757832.8A Active EP2613884B1 (de) | 2010-09-09 | 2011-09-09 | Zerkleinerungsvorrichtung |
Country Status (12)
Country | Link |
---|---|
US (1) | US9073056B2 (ja) |
EP (1) | EP2613884B1 (ja) |
JP (1) | JP5909491B2 (ja) |
KR (1) | KR101960552B1 (ja) |
CN (1) | CN103260764B (ja) |
AU (1) | AU2011301211B2 (ja) |
BR (1) | BR112013005551B1 (ja) |
DK (1) | DK2613884T3 (ja) |
ES (1) | ES2493165T3 (ja) |
HK (1) | HK1182354A1 (ja) |
PL (1) | PL2613884T3 (ja) |
WO (1) | WO2012032175A2 (ja) |
Cited By (3)
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DE202016105242U1 (de) | 2016-09-20 | 2017-12-22 | Hugo Vogelsang Maschinenbau Gmbh | Feinstzerkleinerer |
US11203020B2 (en) | 2017-02-09 | 2021-12-21 | Vogelsang Gmbh & Co. Kg | Comminuting device |
DE202022103106U1 (de) | 2022-06-01 | 2023-09-04 | Vogelsang Gmbh & Co. Kg | Zerkleinerungsvorrichtung zur Zerkleinerung eines feststoffhaltigen Mediums |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US9475059B2 (en) | 2013-03-15 | 2016-10-25 | Pentair Flow Technologies, Llc | Cutting blade assembly |
CN104437791B (zh) * | 2014-12-09 | 2023-12-26 | 徐州锡沂康成食品检验检测研究院有限公司 | 底刀快退食材磨浆装置 |
CN106064110A (zh) * | 2015-04-22 | 2016-11-02 | 史红钻 | 流体除渣粉碎制浆输送机 |
US10533557B2 (en) | 2016-04-26 | 2020-01-14 | Pentair Flow Technologies, Llc | Cutting assembly for a chopper pump |
CN107008556A (zh) * | 2017-03-09 | 2017-08-04 | 胡逸琴 | 一种计算机硬盘信息销毁装置 |
DE102017109560B4 (de) * | 2017-05-04 | 2019-05-09 | Schaeffler Technologies AG & Co. KG | Vorrichtung zur automatisierten Betätigung und System mit dieser Vorrichtung |
DE102017124958A1 (de) | 2017-10-25 | 2019-04-25 | Kleemann Gmbh | Verfahren zum lastabhängigen Betrieb einer Materialzerkleinerungsanlage |
JP6740410B1 (ja) * | 2019-03-07 | 2020-08-12 | 月島テクノメンテサービス株式会社 | 下水処理方法及び下水処理装置 |
JP6690038B1 (ja) * | 2019-03-15 | 2020-04-28 | 月島テクノメンテサービス株式会社 | 汚泥処理方法及び汚泥処理設備 |
CN109972440B (zh) * | 2019-03-25 | 2024-03-08 | 丹东鸭绿江磨片有限公司 | 一种带有调压孔、孔槽的磨浆机磨片 |
US11161121B2 (en) * | 2019-05-10 | 2021-11-02 | Jung Pumpen Gmbh | Cutting blade assembly |
CN110405541A (zh) * | 2019-09-04 | 2019-11-05 | 重庆长征重工有限责任公司 | 一种切割磨损调整装置 |
KR102270527B1 (ko) * | 2020-10-28 | 2021-06-28 | 이기성 | 로터리 스크린 커터를 구비한 펌프 |
CN114433322B (zh) * | 2022-01-07 | 2023-09-05 | 淮北智淮科技有限公司 | 一种厨房垃圾处理器 |
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DE2715945C2 (de) * | 1977-04-09 | 1984-04-26 | Henninghaus, Ferdinand, 4000 Düsseldorf | Vorrichtung zum gezogenen Aufbohren rohrförmiger Werkstücke |
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US5346143A (en) * | 1993-07-14 | 1994-09-13 | Crisafulli Pump Company, Inc. | Fish mincer pump |
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DE29910596U1 (de) * | 1999-06-17 | 1999-09-09 | Hugo Vogelsang Maschinenbau GmbH, 49632 Essen | Vorrichtung zum Zerkleinern von Feststoffen in inhomogenen Flüssigkeiten |
DE202009003995U1 (de) * | 2009-03-25 | 2010-08-19 | Hugo Vogelsang Maschinenbau Gmbh | Schneidvorrichtung |
-
2011
- 2011-09-09 ES ES11757832.8T patent/ES2493165T3/es active Active
- 2011-09-09 WO PCT/EP2011/065691 patent/WO2012032175A2/de active Application Filing
- 2011-09-09 DK DK11757832.8T patent/DK2613884T3/da active
- 2011-09-09 EP EP11757832.8A patent/EP2613884B1/de active Active
- 2011-09-09 BR BR112013005551-0A patent/BR112013005551B1/pt active IP Right Grant
- 2011-09-09 US US13/821,260 patent/US9073056B2/en active Active
- 2011-09-09 KR KR1020137008924A patent/KR101960552B1/ko active IP Right Grant
- 2011-09-09 AU AU2011301211A patent/AU2011301211B2/en not_active Ceased
- 2011-09-09 CN CN201180043217.5A patent/CN103260764B/zh active Active
- 2011-09-09 PL PL11757832T patent/PL2613884T3/pl unknown
- 2011-09-09 JP JP2013527627A patent/JP5909491B2/ja active Active
-
2013
- 2013-08-20 HK HK13109715.0A patent/HK1182354A1/xx not_active IP Right Cessation
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202016105242U1 (de) | 2016-09-20 | 2017-12-22 | Hugo Vogelsang Maschinenbau Gmbh | Feinstzerkleinerer |
WO2018054982A1 (de) | 2016-09-20 | 2018-03-29 | Hugo Vogelsang Maschinenbau Gmbh | Feinstzerkleinerer |
US11253864B2 (en) | 2016-09-20 | 2022-02-22 | Hugo Vogelsang Maschinenbau Gmbh | Fine comminutor |
US11203020B2 (en) | 2017-02-09 | 2021-12-21 | Vogelsang Gmbh & Co. Kg | Comminuting device |
DE202022103106U1 (de) | 2022-06-01 | 2023-09-04 | Vogelsang Gmbh & Co. Kg | Zerkleinerungsvorrichtung zur Zerkleinerung eines feststoffhaltigen Mediums |
EP4286056A1 (de) | 2022-06-01 | 2023-12-06 | Vogelsang GmbH & Co. KG | Zerkleinerungsvorrichtung zur zerkleinerung eines feststoffhaltigen mediums und ein verfahren zur steuerung einer zerkleinerungsvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
EP2613884A2 (de) | 2013-07-17 |
DK2613884T3 (da) | 2014-08-11 |
PL2613884T3 (pl) | 2014-11-28 |
JP5909491B2 (ja) | 2016-04-26 |
CN103260764B (zh) | 2015-06-10 |
BR112013005551B1 (pt) | 2020-10-06 |
CN103260764A (zh) | 2013-08-21 |
ES2493165T3 (es) | 2014-09-11 |
BR112013005551A2 (pt) | 2016-05-03 |
US9073056B2 (en) | 2015-07-07 |
KR101960552B1 (ko) | 2019-03-20 |
WO2012032175A3 (de) | 2012-06-28 |
AU2011301211B2 (en) | 2015-06-11 |
AU2011301211A1 (en) | 2013-04-11 |
JP2013537103A (ja) | 2013-09-30 |
WO2012032175A2 (de) | 2012-03-15 |
KR20130118865A (ko) | 2013-10-30 |
HK1182354A1 (en) | 2013-11-29 |
US20130228640A1 (en) | 2013-09-05 |
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