EP3705183B1 - Crusher for grinding and crushing materials - Google Patents

Crusher for grinding and crushing materials Download PDF

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Publication number
EP3705183B1
EP3705183B1 EP20160623.3A EP20160623A EP3705183B1 EP 3705183 B1 EP3705183 B1 EP 3705183B1 EP 20160623 A EP20160623 A EP 20160623A EP 3705183 B1 EP3705183 B1 EP 3705183B1
Authority
EP
European Patent Office
Prior art keywords
screw
blades
crusher
rotor
screw rotor
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.)
Active
Application number
EP20160623.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3705183A1 (en
Inventor
Jakub Medek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Briklis Spol SRO
Original Assignee
Briklis Spol SRO
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Briklis Spol SRO filed Critical Briklis Spol SRO
Publication of EP3705183A1 publication Critical patent/EP3705183A1/en
Application granted granted Critical
Publication of EP3705183B1 publication Critical patent/EP3705183B1/en
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • 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
    • B02C18/146—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with a rotor comprising a plurality of axially contiguous disc-like segments each having at least one radially extending cutting element
    • 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
    • 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
    • B02C18/182—Disc-shaped 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
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/22—Crushing mills with screw-shaped crushing means
    • 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

Definitions

  • the present invention relates to a crusher for grinding and crushing the inserted material into smaller segments for further industrial processing or disposal, in particular for crushing waste and residual material resulting from metal working.
  • Patent documents such as US 9943855 are known in the field of processing of metallic material and material with metallic admixtures, which discloses a cutting and crushing machine with replaceable crushing segments allowing a choice between methods of separating material by cutting or breaking.
  • the principle of operation consists in counter-rotating movement of a pair of breaking or cutting assemblies with blades placed on rotating shafts. These blocks of cutting or breaking blades are positioned with gaps on the shaft so that the blades engage sequentially, i.e. they are placed in a helix.
  • the shafts are fitted so that the cutting blocks engage with each other with overlap when the blades of one block are aligned against the gaps of the other block.
  • the material is fed to the blades by its own weight and held by the self-locking mechanism of blades when cutting into the separated material.
  • the patent document US 2011/0062263 discloses a cutting and crushing machine where the principle is based on the fact that a pair of shafts with counter-movement is installed in the machine casing without overlap, i.e. the crushing assemblies do not engage with each other.
  • the crushing assembly is sandwich-formed where the rotating crushing segments alternate with stationary crushing segments, while the blades are on both rotating segments and stationary segments, where the stationary segment forms a counterpart for holding the crushed material and at the same time facilitates the crushing by the rotary blade due to its cutting capabilities.
  • the patent document US 5562255 (A1 ) discloses a device for crushing tires into a rubber-ferrous granulate, since the tire is always a combination of rubber and a metal wire cord.
  • This device is designed as a two-stage, when at the first stage the tire is cut into long strips by a system of feeding rollers pushing the tire through two blocks of cutting blades with edge cut with mutual overlap. The second stage then, by means of the cutting rollers with cutting bars with a partially helical profile of the bending, breaks apart these strips against a fixed cutting bar which causes the resulting scissor effect.
  • the patent document JP H07 847 (A ) discloses a crusher, comprising a frame with a hopper, driving units and crushing and grinding assembly. Grinding assembly comprises two counter-driven screw rotors with at least two screw blades. Both screw rotors with screw blades are arranged symmetrically to each other to the centre of the screw rotors. One of the screw blades of the screw rotor forms a right-hand thread and the other left-hand thread.
  • the patent document WO 97/17841 discloses a cutter-mixer-feeder wagon for fodder and grass or straw silage, comprising at least one rotary screw feeder.
  • the rotary screw feeder is housed inside a compartment with curved section obtained on the bottom of the container itself.
  • the compartment with curved section is provided with at least one pair of spirals.
  • the spirals fix peripheral cutters.
  • One of the spirals forms right-hand thread and the other left-hand thread. This adjustment allows conveying the processed material towards the area where said right and left spirals converge.
  • a disadvantage of the present solutions is that the material is usually not intentionally directed when it is moved to the crushing machine.
  • the purpose of the present invention is to eliminate the disadvantages of the solutions described above from the background of the invention by providing a device enabling separation operation in both machine directions with increased separation crushing effect and centred movement effect of material for crushing and grinding.
  • the crusher consists of a hopper frame, a drive unit and a crushing and grinding assembly.
  • the crushing and grinding assembly consists of at least two counter-driven screw rotors.
  • Each of the screw rotors is provided with at least two screw blades, with both the first screw rotor and the second screw rotor having at least one pair of screw blades, which are arranged symmetrically to each other to the centre of the screw rotor.
  • One of the screw blades of one screw rotor then forms a right-hand thread and the other of the screw blades forms a left-hand thread.
  • the left-hand screw blade on the second screw rotor is mirrored to the right-hand screw blade on the first screw rotor, and the right-hand screw blade on the second screw rotor is subsequently mirrored to the left-hand screw blade on the first screw rotor.
  • the outer edges of the screw blades on the first screw rotor and the second screw rotor skew to each other when the screw rotors are rotated, with an overlap on the projection in the horizontal plane.
  • Recesses corresponding to the shape of the separation bars mounted on the surface of the screw rotors parallel to the axis of their rotation are formed on the screw blades.
  • separation bars are positioned such that when rotating the screw rotors, the separation bars on the first screw rotor are associated with the recesses of the screw blades on the second screw rotor and the separation bars on the second screw rotor are associated with the recesses of the screw blades on the first screw rotor.
  • each separating blade extends transversely between the pair of screw blades of the first screw rotor when the screw rotors are rotated.
  • the other end of the same separating blade passes also between the pair of screw blades assigned to the pair of screw blades on the second screw rotor.
  • the recesses of the screw blades on the screw rotors are U-shaped and the separation bars have a quadrangular cross-section, with the geometric shapes and dimensions of the inner part of the recess and the cross-section of the bar being identical.
  • the crusher drive unit comprises at least one electric motor with a gearbox for transmitting torque to the driven shafts of screw rotors.
  • the transmission of forces and torques is effected by a set of gears and/or chains.
  • the crusher drive unit comprises at least one hydraulic motor with a gearbox for transmitting torque to the driven shafts of screw rotors.
  • the transmission of forces and torques is effected by a set of gears and/or chains.
  • the crusher drive unit is provided with a switch and/or a remote control which allow the direction of rotation of the drive unit and hence the screw rotors to be controlled and switched over.
  • the screw rotor consists of at least two demountable connected cylindrical modules.
  • the number of modules can be further increased, but for optimal operation the number must always be even.
  • the crusher comprises a replaceable separation sieve provided with separation meshes, whereby the crusher also becomes a separator.
  • This sieve is placed horizontally in the frame under the crushing and grinding assembly.
  • the separation sieve is hinged, which allows the additional removal of the trapped large under-crushed pieces of material.
  • the crusher comprises a replaceable mobile container of the separator, which is placed under the crushing and grinding assembly and/or the separation sieve between the legs of the frame.
  • the container serves for collecting the separate and/or chippings and then transporting this material for further processing or storage.
  • the main advantage of the present invention is the use of counter-movement of screw rotors equipped with counter-rotating screw blades.
  • This combination of counter-movements causes the material to move continuously from the hopper edges to the centre of the machine for crushing.
  • the use of screw blades with recesses in combination with separation bars then results in the material being crushed in all directions of rotation of the drive unit, thus avoiding the state of overload of the invention with a larger amount of material to be crushed.
  • Modularity in the possibility of combining the number of cylindrical screw rotor modules results in a modular resulting size of the invention. This gives the possibility of regulating the crushing capacity of the invention and increases its utility properties.
  • the crusher 1 for grinding and crushing materials consists of four main components, a frame 2 with a hopper 3 , a drive unit and a crushing and grinding assembly 4.
  • the crushing and grinding assembly 4 which is to carry out the actual grinding and crushing of the inserted material, is composed of at least two counter-driven screw rotors 5 , 5' .
  • Each of the screw rotors 5 , 5' is provided with at least two screw blades 6 , 6' , with both the first screw rotor 5 and the second screw rotor 5' having at least one pair of screw blades 6 , 6' , which are arranged symmetrically to each other to the centre of the screw rotor 5 , 5' .
  • One of the screw blades 6 , 6' of one screw rotor 5 , 5' then forms a right-hand thread and the other of the screw blades 6 , 6' forms a left-hand thread.
  • the left-hand screw blade 6' on the second screw rotor 5' is mirrored to the right-hand screw blade 6 on the first screw rotor 5 and the right-hand screw blade 6 on the second screw rotor 5' is subsequently mirrored to the left-hand screw blade 6' on the first screw rotor 5 .
  • the outer edges of the screw blades 6 , 6' on the first screw rotor 5 and the second screw rotor 5' skew to each other when the screw rotors 5 , 5' are rotated, with an overlap on the projection in the horizontal plane.
  • the arrangement of the screw blades 6 , 6' as shown in Fig. 3 and 5 causes the screw blades 6, 6' to grab the inserted material to be ground and crushed while simultaneously counter-rotating the two screw rotors 5 , 5' and moving it automatically from the edges of the hopper 3 to the centre of the crusher 1 where it is ground and crushed without being deposited on the sides of the hopper 3.
  • the opposite rotation of the screw rotors 5 , 5' leads to material shifting to the sides of the hopper 3, whereby it is possible to release the crushing and grinding assembly 4 in case it is flooded with crushed and ground material.
  • recesses 7 corresponding to the shape of the separation bars 8 mounted on the surface of the screw rotors 5 , 5' parallel to the axis of their rotation are formed on the screw blades 6 , 6' .
  • These separation bars 8 are positioned such that when rotating the screw rotors 5 , 5' , the separation bars 8 on the first screw rotor 5 are associated with the recesses of the screw blades 6 , 6' on the second screw rotor 5' and the separation bars 8 on the second screw rotor 5' are associated with the recesses of the screw blades 6 , 6' on the first screw rotor 5.
  • the recesses 7 of the screw blades 6 , 6' on the screw rotors 5 , 5' are U-shaped and the separation bars 8 have a quadrangular cross-section, with the geometric shapes and dimensions of the inner part of the recess 7 and the cross-section of the separation bar 8 being identical.
  • each separating blade 10 extends transversely between the pair of screw blades 6 , 6' with the same thread pitch of the first screw rotor 5 when the screw rotors 5 , 5' are rotated.
  • the other end of the same separating blade 10 passes also between the pair of screw blades 6 , 6' assigned to the pair of screw blades 7 on the second screw rotor 5' .
  • the separating blade 10 serves to lift the material that has adhered between the screw blades 6 , 6' and, at the same time, its edges help to tear and break apart the material that enters the crusher 1 in large lumps and sheets.
  • the crusher 1 is driven by a drive unit which is at least one electric motor with a gearbox for transmission of torque to the driven shafts 11 of the screw rotors 5 , 5' .
  • the transmission of forces and torques is effected by a set of gears and/or chains.
  • the crusher drive unit 1 can also be a hydraulic motor with a gearbox for transmission of torque to the driven shafts 11 of the screw rotors.
  • the transmission of forces and torques is also effected by a set of gears and/or chains.
  • the crusher drive unit 1 is provided with a switch and/or a remote control which allow the direction of rotation of the drive unit and hence the screw rotors 5 , 5' to be controlled and switched over.
  • This control allows the basic centred rotational movement of the screw rotors 5 , 5' , but also the opposite movement, which allows the crushing and grinding assembly 4 to be released from the material in case of overload.
  • the design of the crushing and grinding assembly 4 allows the crushing and grinding of the material in the crusher 1 in all directions of rotation of the screw rotors 5 , 5' , but only the counter-rotating centred movement of the screw rotors 5 , 5' results in more intensive feeding of the material from the edges of the hopper 3 to the centre of the crushing and grinding assembly 4.
  • the screw rotor 5 , 5' is constructed from at least two mutually detachable cylindrical modules M1 , M2 .
  • the number of modules M1 , M2 can be further increased, but for optimal operation the number must always be even.
  • the crusher 1 may further comprise a replaceable separation sieve 12 provided with separation meshes 13.
  • This separation sieve 12 is placed horizontally in the frame 2 under the crushing and grinding assembly 4.
  • the separation sieve 12 in the crusher 1 is hinged in order to allow the additional removal of the trapped large and under-crushed pieces of crushed and ground material.
  • the crusher 1 may also comprise a mobile container 15 for separate, which is placed below the crushing and grinding assembly 4 and/or the separation sieve between the legs 14 of the frame 2.
  • the container 15 serves for collecting the separate and/or chippings and then transporting this material for further processing or storage.
  • the invention can be used in industrial production for the crushing and grinding of industrial waste generated as large structures or aggregates of waste materials. For the treatment of such waste and its storage or transport it is necessary to crush the waste into smaller particles.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
EP20160623.3A 2019-03-04 2020-03-03 Crusher for grinding and crushing materials Active EP3705183B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CZ2019-127A CZ308350B6 (cs) 2019-03-04 2019-03-04 Drtič pro mělnění a drcení materiálů

Publications (2)

Publication Number Publication Date
EP3705183A1 EP3705183A1 (en) 2020-09-09
EP3705183B1 true EP3705183B1 (en) 2023-05-03

Family

ID=70976465

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20160623.3A Active EP3705183B1 (en) 2019-03-04 2020-03-03 Crusher for grinding and crushing materials

Country Status (3)

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EP (1) EP3705183B1 (cs)
CZ (1) CZ308350B6 (cs)
PL (1) PL3705183T3 (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112808397A (zh) * 2020-12-30 2021-05-18 洛阳中天绿色构件有限公司 用于绿色建筑施工的废料回收再利用装置及其使用方法
CN115068332B (zh) * 2021-04-04 2024-03-22 哈尔滨商业大学 一种含循环推进杆的用于中药饮片加工的温控炒药机
CN113019610A (zh) * 2021-04-08 2021-06-25 宁波京能石油有限公司 一种石油焦粉碎装置
CN113856870B (zh) * 2021-09-29 2022-11-11 英飞智信（苏州）科技有限公司 煤炭样品全流程智能化采制系统
CN114588972A (zh) * 2022-03-23 2022-06-07 河南中釉环保科技有限公司 一种稳定固化重金属离子的固化粉制备设备及其制备方法
CN115582191B (zh) * 2022-10-08 2025-02-11 南通普洛代尔智能装备有限公司 一种用于生物炭研磨的破碎机
CN115488034B (zh) * 2022-10-31 2023-12-08 平利县徐家沟富硒生态农业发展有限公司 一种智能坚果破壳分选装置
CN116921043B (zh) * 2023-09-14 2023-12-19 浙江艾领创矿业科技有限公司 一种多级矿物研磨工艺及设备

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US4938426A (en) * 1988-04-28 1990-07-03 Koenig Larry E Dual auger shredder
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JP3153679B2 (ja) * 1993-06-18 2001-04-09 日本スピンドル製造株式会社 粗大物破砕装置
US5762756A (en) * 1994-11-21 1998-06-09 The Black Clawson Company Methods and apparatus for pulping and deinking
US5562255A (en) 1995-04-04 1996-10-08 Witko; Zbigniew J. Combined primary and secondary tire shears
IT1280613B1 (it) * 1995-11-14 1998-01-23 Seko Spa Carro trincia-miscelatore-distributore per foraggi ed insilati di erba o paglia con profilati di convogliamento del materiale in trattamento
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GB201222530D0 (en) * 2012-12-13 2013-01-30 Richard Larrington Ltd Improvements in or relating to cutting material
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Also Published As

Publication number Publication date
CZ2019127A3 (cs) 2020-06-10
PL3705183T3 (pl) 2023-09-18
CZ308350B6 (cs) 2020-06-10
EP3705183A1 (en) 2020-09-09

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