CN108686752B - Pressure controllable crusher - Google Patents

Pressure controllable crusher Download PDF

Info

Publication number
CN108686752B
CN108686752B CN201810500002.5A CN201810500002A CN108686752B CN 108686752 B CN108686752 B CN 108686752B CN 201810500002 A CN201810500002 A CN 201810500002A CN 108686752 B CN108686752 B CN 108686752B
Authority
CN
China
Prior art keywords
gear roller
roller
crushing
hydraulic
motor
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
CN201810500002.5A
Other languages
Chinese (zh)
Other versions
CN108686752A (en
Inventor
吴方明
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.)
Sinohydro Bureau 10 Co Ltd
Original Assignee
Sinohydro Bureau 10 Co Ltd
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 Sinohydro Bureau 10 Co Ltd filed Critical Sinohydro Bureau 10 Co Ltd
Priority to CN201810500002.5A priority Critical patent/CN108686752B/en
Publication of CN108686752A publication Critical patent/CN108686752A/en
Application granted granted Critical
Publication of CN108686752B publication Critical patent/CN108686752B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/02Crushing or disintegrating by roller mills with two or more rollers
    • B02C4/08Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C25/00Control arrangements specially adapted for crushing or disintegrating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/30Shape or construction of rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/32Adjusting, applying pressure to, or controlling the distance between, milling members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/42Driving mechanisms; Roller speed control

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

A pressure controllable crusher comprises a casing, wherein a feeding port is formed above the casing, a crushing assembly is arranged in the casing, a crushing driving system is arranged outside the casing and comprises a first motor and a second motor, the crushing assembly comprises a first gear roller and a second gear roller, the first gear roller and the second gear roller are respectively driven by the first motor and the second motor, the control system comprises a control panel, a detection assembly and a hydraulic assembly, and the hydraulic assembly at least comprises a first hydraulic cylinder and a second hydraulic cylinder at two ends of the second gear roller so as to provide hydraulic supporting force for two ends of the second gear roller; therefore, the crusher has a simple structure, is convenient to operate, can realize real-time controllability and timely feedback of the crusher, ensures the safety performance of production and improves the operability.

Description

Pressure controllable crusher
Technical Field
The invention relates to the technical field of material crushing, in particular to a pressure-controllable crusher.
Background
In the field of crushing of materials such as coal, coke, soil and mineral, gypsum, solid waste and the like, the crusher generally realizes that particles of the materials reach corresponding sizes after the materials are crushed, so that the materials are processed in the next step or recycled for the second time.
In prior art, the breaker often contains actuating system and broken system, and actuating system passes through the shaft coupling etc. with power transmission to broken system, and broken system adopts the pivot that has the certain distance and lies in the epaxial broken tooth of commentaries on classics, and epaxial broken tooth of commentaries on classics is carried out the rotation relatively by actuating system, and the mutual distance of the broken tooth that carries out the relative rotation on through adjacent pivot comes to break the material that gets into to the realization is to getting into the breakage of predetermined size of material.
In the existing crusher, the power output of a driving system is certain, the hardness of materials entering the crusher is correspondingly different, the power input of the driving system is often too much and too little, in the too much situation, most of the power of the driving system does useless work, and the too little situation often causes the conditions that the materials are not broken and even teeth are broken and blocked, so that the driving system and the broken teeth are damaged, and the production and the processing are greatly influenced.
Therefore, the present inventors have made extensive studies and design to overcome the above-mentioned drawbacks by designing and developing a pressure-controlled crusher based on the experience and results of the related industries for many years.
Disclosure of Invention
The invention aims to provide a pressure-controllable crusher which is simple in structure and convenient to operate, can realize real-time controllability and timely feedback of the crusher, ensures the safety performance of production and improves the operability.
In order to solve the problems, the invention discloses a pressure-controllable crusher, which comprises a casing and is characterized in that:
a feeding port is formed above the casing, a crushing assembly is arranged in the casing, a crushing driving system is arranged outside the casing and comprises a first motor and a second motor, the crushing assembly comprises a first gear roller and a second gear roller, the first gear roller and the second gear roller are respectively driven by the first motor and the second motor, and a plurality of alloy crushing teeth which are spirally arranged are arranged on the peripheries of the first gear roller and the second gear roller so as to powerfully crush materials;
and the control system comprises a control panel, a detection assembly and a hydraulic assembly, wherein the detection assembly at least comprises a torque detector and a force detector, the torque detector is positioned at the crushing driving system to detect the crushing input torque, the force detector is positioned at two ends of the second gear roller to detect the reaction force during crushing, and the hydraulic assembly at least comprises a first hydraulic cylinder and a second hydraulic cylinder at two ends of the second gear roller to provide hydraulic supporting force for two ends of the second gear roller.
Wherein: the power of the first motor is output to the first speed reducer through the first torque converter, the output shaft of the first speed reducer is connected to the first coupler, the first coupler is connected to the first gear roller to output power, the power of the second motor is output to the second speed reducer through the second torque converter, the output shaft of the second speed reducer is connected to the second coupler, and the second coupler is connected to the second gear roller to output power.
Wherein: and two ends of the first gear roller are supported through fixed bearings, and two ends of the second gear roller are supported through movable bearings.
Wherein: the crushing machine comprises a machine shell, a crushing driving system, a base and a plurality of rollers, wherein the machine shell and the crushing driving system are arranged on the base, the base is provided with the plurality of rollers, and a recovery tank is arranged in the base.
Wherein: and a material conveying device is arranged in the recovery tank and comprises a transmission belt and a transmission motor so as to receive and convey the crushed materials.
Wherein: first gear roller and second gear roller are split type structure, all contain the fluted roller axle that is located the center and go up fluted roller and lower fluted roller, the fluted roller axle is regular hexagon, it is semi-circular and the center is equipped with the recess that corresponds half of regular hexagon to go up fluted roller and lower fluted roller.
Wherein: one side of the upper gear roller is provided with a positioning hole, the corresponding side of the lower gear roller is provided with a screw hole, and a fastening bolt extends into the positioning hole and is screwed in the screw hole so as to fasten the gear roller shaft, the upper gear roller and the lower gear roller into a whole.
Wherein: the locating hole is a plurality of and interval setting.
Wherein: the upper tooth roll and the lower tooth roll are manufactured by casting, and the components of the upper tooth roll and the lower tooth roll are as follows: 1.38 to 1.45 percent of C, 0.84 to 0.98 percent of Si, 0.04 to 0.05 percent of S, 24.12 to 25.84 percent of Mn, 1.42 to 1.66 percent of Cr, 0.08 to 0.12 percent of Ti, 0.42 to 0.51 percent of B and the balance of Fe.
By the structure, the pressure controllable crusher has the following effects:
1. the structure is simple, and the use efficiency is effectively improved;
2. the crushing is reliable, the real-time control is realized, and the crushing capacity and the safety protection effect are improved;
3. the environmental protection performance is better.
The details of the present invention can be obtained from the following description and the attached drawings.
Drawings
Fig. 1 shows a schematic construction of a classifying crusher according to the invention.
Figure 2 shows a top view of the interior of the present invention.
Fig. 3 shows an exploded view of the toothed roller according to the invention.
Reference numerals:
10. a housing; 11. a first motor; 12. a second motor; 13. a first gear roller; 14. a second gear roller; 15. a first torque converter; 16. a second torque converter; 17. a first transmission; 18. a second transmission; 19. a first coupling; 20. a second coupling; 21. a base; 22. a roller; 23. a first hydraulic cylinder; 24. a second hydraulic cylinder; 25. a control panel; 26. a gear roll shaft; 27. an upper toothed roller; 28. a lower toothed roller; 29. positioning holes; 30. a screw hole; 31. and fastening the bolt.
Detailed Description
Referring to fig. 1 to 2, a pressure-controlled crusher of the present invention is shown.
The pressure controllable crusher comprises a machine shell 10, a feeding port (not shown) is arranged above the machine shell 10, a crushing component is arranged in the machine shell 10, a crushing driving system is arranged outside the machine shell 10 and comprises a first motor 11 and a second motor 12, the crushing assembly comprises a first toothed roller 13 driven by a first motor 11 and a second toothed roller 14 driven by a second motor 12 respectively, the power of the first electric machine 11 is output to the first speed reducer 17 through the first torque converter 15, the output shaft of the first speed reducer 17 is connected to a first coupling 19, the first coupling 18 is connected to the first gear roller 13 to output power, the power of the second electric machine 12 is output to a second speed reducer 18 through a second torque converter 16, the output shaft of the second reduction gear 18 is connected to a second coupling 20, and the second coupling 20 is connected to the second gear roller 14 to output power.
Preferably, both ends of the first gear roller 13 may be supported by fixed bearings, and both ends of the second gear roller 14 may be supported by movable bearings.
The housing 10 and the crushing driving system are disposed on a base 21, the base 21 may be provided with a plurality of rollers 22 to facilitate the overall movement of the present invention, the base 21 is provided with a recycling groove, the recycling groove may be provided with a material conveying device, and the material conveying device may include a driving belt, a conveying motor, and other structures (not shown) to receive and convey the crushed material.
In one preferred embodiment of the present invention, the first gear roll 13 and the second gear roll 14 of the present invention are provided with a plurality of alloy crushing teeth spirally arranged on the periphery thereof for strongly crushing the material, and for better convenience of later replacement and maintenance, the first gear roll 13 and the second gear roll 14 are of a split structure, as shown in fig. 3, showing the specific composition of the first gear roll 13 and the second gear roll 14 of the present invention, each comprising a gear roll shaft 26 located at the center and an upper gear roll 27 and a lower gear roll 28, the gear roll shaft 26 being of a regular hexagon, the upper gear roll 27 and the lower gear roll 28 being of a semicircle shape and having a groove corresponding to a half of the regular hexagon at the center, so that the gear roll shaft 26 and the upper gear roll 27 and the lower gear roll 28 can be combined together to form a cylindrical gear roll, one side of the upper gear roll 27 being provided with a positioning hole 29, the lower toothed roll 28 has a screw hole 30 on one side and a fastening bolt 31 can extend into the positioning hole 29 and be screwed into the screw hole 30 to fasten the toothed roll shaft and the upper and lower toothed rolls together, wherein the other side of the lower toothed roll has another positioning hole and the other side of the upper toothed roll has another screw hole and another fastening bolt can extend into the other side for fastening.
Wherein, because whole gear roller has certain length, so the locating hole is a plurality of and interval setting.
The upper tooth roll and the lower tooth roll are manufactured by casting, and the components of the upper tooth roll and the lower tooth roll are as follows: 1.38% -1.45% of C, 0.84% -0.98% of Si, 0.04% -0.05% of S, 24.12% -25.84% of Mn, 1.42% -1.66% of Cr, 0.08% -0.12% of Ti, 0.42% -0.51% of B and the balance of Fe, the upper tooth roller and the lower tooth roller which are cast by the components have the strength and toughness which are very suitable for graded crushing in the invention, and the material is obtained by continuous adjustment and creative work in long-term practice by the inventor of the invention, and compared with other materials, the service life of the material is at least improved by 50%.
The invention also comprises a control system, the control system comprises a control panel 25, a detection component and a hydraulic component which are arranged on the shell 10, the control panel 25 is connected to the first motor 11, the second motor 12, the first hydraulic torque converter 15 and the second hydraulic torque converter 16 to provide control signals, the control panel 25 is provided with an input panel and a display panel, the input panel is used for an operator to input initial control information, namely comprising motor torque, motor speed, crushing torque and the like, the display panel displays the initial control information, detection information and real-time control information, the detection component at least comprises a torque detector and a force detector, the torque detector is positioned on the crushing driving system to detect the crushing input torque, preferably a first crushing coupler and a second crushing coupler which are positioned on the crushing driving system, and the force detector is positioned at two ends of the first gear roller and/or the second gear roller to detect the reaction force during crushing And the detection component is connected to the control panel 25 to detect the input torque and the reaction force of the gear roller during crushing, the hydraulic component at least comprises a first hydraulic cylinder 23 and a second hydraulic cylinder 24 at two ends of the second gear roller 14, and the first hydraulic cylinder 23 and the second hydraulic cylinder 24 can be positioned at a movable bearing seat, so that the hydraulic supporting force of the two ends of the second gear roller 14 is provided, and the crushing force between the first gear roller 13 and the second gear roller 14 during crushing is improved.
A real-time control module is arranged in the control panel 25, the real-time control module outputs signals to the first motor 11, the second motor 12, the first hydraulic torque converter 15 and the second hydraulic torque converter 16 according to initial control information input by an operator to crush materials when the materials enter, receives detection information of the detection component, controls the first hydraulic torque converter 15 and the second hydraulic torque converter 16 to carry out torque conversion to improve input torque when the detected input torque is smaller than crushing torque, thereby realizing real-time control on the crushing torque, controls the first hydraulic cylinder 23 and the second hydraulic cylinder 24 to improve supporting pressure when the reaction force detected by the force detector exceeds a first preset threshold value, thereby improving supporting strength and pressure in real time when larger and harder materials are touched, and when the reaction force detected by the force detector exceeds a second preset threshold value, stopping crushing and protecting the grading crusher.
The first predetermined threshold and the second predetermined threshold are empirical values, and can be input and predetermined through the control panel 25.
Preferably, still contain the dustproof fog system that falls in casing 10, the dustproof fog system that falls contains high-pressure rivers sprinkler and the smoke and dust sensor that is located first gear roller 13 and second gear roller 14 top, high-pressure rivers sprinkler and smoke and dust sensor are connected to the real-time control module, and the smoke and dust information of smoke and dust sensor is received to the real-time control module to judge the required velocity of water and the pressure of high-pressure rivers sprinkler, thereby can improve when the smoke and dust is more real-time and spray rivers intensity and pressure, reduce when the smoke and dust is less and spray rivers intensity and pressure, through real-time control, can avoid extravagant, can also improve and spray efficiency.
Therefore, the hydraulic torque converter and the hydraulic cylinder are controlled in real time through the real-time control module, so that the crushing strength and pressure of special materials can be improved, the machine can be stopped in time, and safety protection is effectively provided.
Therefore, the invention has the advantages that:
1. the structure is simple, and the use efficiency is effectively improved;
2. the crushing is reliable, the real-time control is realized, and the crushing capacity and the safety protection effect are improved;
3. the environmental protection performance is better.
It should be apparent that the foregoing description and illustrations are by way of example only and are not intended to limit the present disclosure, application or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention will include any embodiments falling within the foregoing description and the appended claims.

Claims (7)

1. A pressure controllable crusher, includes casing, its characterized in that:
a feeding port is formed above the casing, a crushing assembly is arranged in the casing, a crushing driving system is arranged outside the casing and comprises a first motor and a second motor, the crushing assembly comprises a first gear roller and a second gear roller, the first gear roller and the second gear roller are respectively driven by the first motor and the second motor, and a plurality of alloy crushing teeth which are spirally arranged are arranged on the peripheries of the first gear roller and the second gear roller so as to powerfully crush materials;
the control system comprises a control panel, a detection assembly and a hydraulic assembly, wherein the detection assembly at least comprises a torque detector and a force detector, the torque detector is positioned at the crushing driving system to detect the input torque of crushing, the force detector is positioned at two ends of the second gear roller to detect the reaction force during crushing, and the hydraulic assembly at least comprises a first hydraulic cylinder and a second hydraulic cylinder at two ends of the second gear roller to provide hydraulic supporting force for two ends of the second gear roller;
the power of the first motor is output to a first speed reducer through a first hydraulic torque converter, an output shaft of the first speed reducer is connected to a first coupling, the first coupling is connected to a first gear roller to output power, the power of the second motor is output to a second speed reducer through a second hydraulic torque converter, an output shaft of the second speed reducer is connected to a second coupling, the second coupling is connected to a second gear roller to output power, two ends of the first gear roller are supported through fixed bearings, and two ends of the second gear roller are supported through movable bearings;
the hydraulic assembly at least comprises a first hydraulic cylinder and a second hydraulic cylinder which are arranged at two ends of the second gear roller, the first hydraulic cylinder and the second hydraulic cylinder are positioned on the movable bearing seat, when the detected input torque is smaller than the breaking torque, the first hydraulic torque converter and the second hydraulic torque converter are controlled to carry out torque conversion so as to improve the input torque, and when the reaction force detected by the force detector exceeds a first preset threshold value, the first hydraulic cylinder and the second hydraulic cylinder are controlled to improve the supporting pressure.
2. The pressure-controlled crusher of claim 1, wherein: the crushing machine comprises a machine shell, a crushing driving system, a base and a plurality of rollers, wherein the machine shell and the crushing driving system are arranged on the base, the base is provided with the plurality of rollers, and a recovery tank is arranged in the base.
3. A pressure-controlled crusher as claimed in claim 2, characterized in that: and a material conveying device is arranged in the recovery tank and comprises a transmission belt and a transmission motor so as to receive and convey the crushed materials.
4. The pressure-controlled crusher of claim 1, wherein: first gear roller and second gear roller are split type structure, all contain the fluted roller axle that is located the center and go up fluted roller and lower fluted roller, the fluted roller axle is regular hexagon, it is semi-circular and the center is equipped with the recess that corresponds half of regular hexagon to go up fluted roller and lower fluted roller.
5. The pressure-controlled crusher of claim 4, wherein: one side of the upper gear roller is provided with a positioning hole, the corresponding side of the lower gear roller is provided with a screw hole, and a fastening bolt extends into the positioning hole and is screwed in the screw hole so as to fasten the gear roller shaft, the upper gear roller and the lower gear roller into a whole.
6. The pressure-controlled crusher of claim 5, wherein: the locating hole is a plurality of and interval setting.
7. The pressure-controlled crusher of claim 4, wherein: the upper tooth roll and the lower tooth roll are manufactured by casting, and the components of the upper tooth roll and the lower tooth roll are as follows: 1.38 to 1.45 percent of C, 0.84 to 0.98 percent of Si, 0.04 to 0.05 percent of S, 24.12 to 25.84 percent of Mn24, 1.42 to 1.66 percent of Cr1, 0.08 to 0.12 percent of Ti0.42 to 0.51 percent of B, and the balance of Fe.
CN201810500002.5A 2018-05-23 2018-05-23 Pressure controllable crusher Active CN108686752B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810500002.5A CN108686752B (en) 2018-05-23 2018-05-23 Pressure controllable crusher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810500002.5A CN108686752B (en) 2018-05-23 2018-05-23 Pressure controllable crusher

Publications (2)

Publication Number Publication Date
CN108686752A CN108686752A (en) 2018-10-23
CN108686752B true CN108686752B (en) 2020-12-08

Family

ID=63846763

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810500002.5A Active CN108686752B (en) 2018-05-23 2018-05-23 Pressure controllable crusher

Country Status (1)

Country Link
CN (1) CN108686752B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4098365A1 (en) * 2021-06-03 2022-12-07 Takraf GmbH Segment roller, in particular for crushing or compacting bulk material

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110508353B (en) * 2019-08-21 2021-04-13 腾重(上海)机械科技有限公司 Solid waste crushing machine
CN117123345B (en) * 2023-10-26 2024-01-30 烟台大学 Grinding device for powder medicine production

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4226182A1 (en) * 1992-08-07 1994-02-10 Kloeckner Humboldt Deutz Ag Hydraulically powered twin roller mill for granular raw materials - has feed unit with controlled flaps adjustable to suit measured gap between rollers
CN2782213Y (en) * 2005-01-14 2006-05-24 中信重型机械公司 High pressure pulverizing rolling grinder
CN101683626A (en) * 2008-09-23 2010-03-31 上海佳克贸易有限公司 Hydraulic roller crusher
KR20110067885A (en) * 2009-12-15 2011-06-22 주식회사 파워텍 Roll crusher having flywheel
CN102728432B (en) * 2011-04-06 2014-06-18 中冶长天国际工程有限责任公司 Method and system for maintenance early-warning of single-roller crusher

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4098365A1 (en) * 2021-06-03 2022-12-07 Takraf GmbH Segment roller, in particular for crushing or compacting bulk material

Also Published As

Publication number Publication date
CN108686752A (en) 2018-10-23

Similar Documents

Publication Publication Date Title
CN108686752B (en) Pressure controllable crusher
CN106914322B (en) A kind of high efficiency laterally and longitudinally formula pulverizer
CN101875022A (en) Material crushing structure and crushing equipment
CN108380293B (en) Control method of grading crusher
CN112387365A (en) Intelligent breaker of efficient
CN105855022A (en) Three-rotor-combined crusher
CN200981001Y (en) Multistage sieving gear teeth type grinder
CN201179456Y (en) Ring crusher for automatically discharging sundries
CN2431956Y (en) Extruding roller mill
CN206295996U (en) A kind of rotatable jaw crusher of fixed jaw
CN210207075U (en) Tower mill screw axis protection device
CN112387367A (en) Fault detection's intelligent breaker
CN205550397U (en) A double toothed roller breaker for moving broken station
CN210045369U (en) Environment-friendly ferrotungsten powder pulverizing and crushing combined device
CN201161209Y (en) Furnace cinder breaker
CN208230083U (en) A kind of efficient trade waste grinding device
CN108686753B (en) Real-time controllable hierarchical breaker
CN2834698Y (en) A novel vertical mill
CN205684176U (en) A kind of triple-spool combined crushing machine
CN2749567Y (en) Strong double roll breaker
CN201711185U (en) Drum screen type ultrafine crusher
CN103934064A (en) Single-section hammer crusher with safe cone shafts
CN211255731U (en) Novel desulfurization gypsum smash device
CN206676420U (en) A kind of ore crusher
CN202263621U (en) Grading combined crusher with new tooth form

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant