CN112588375A - Double-rotor impact mill - Google Patents
Double-rotor impact mill Download PDFInfo
- Publication number
- CN112588375A CN112588375A CN202011192847.6A CN202011192847A CN112588375A CN 112588375 A CN112588375 A CN 112588375A CN 202011192847 A CN202011192847 A CN 202011192847A CN 112588375 A CN112588375 A CN 112588375A
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- vertical shaft
- central vertical
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- central
- positioning
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- 239000000463 material Substances 0.000 claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000005465 channeling Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000000227 grinding Methods 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 238000003892 spreading Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/20—Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors
- B02C13/205—Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors arranged concentrically
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/30—Driving mechanisms
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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
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a birotor impact mill, which comprises an inner rotor motor, a shell, a frame, a central feeding triangular belt wheel, a feeding hole, a central vertical shaft, a material distribution cone, an upper support, an inner rotor, an outer rotor, a safety cover, an outer rotor motor, a discharging hole, a positioning locking block, a positioning hinged bolt, a thin oil supply system, a bearing temperature rise remote monitoring system and a central vertical shaft deflection remote monitoring system, wherein the central vertical shaft is vertically fixed in the center of the frame, the top end of the central vertical shaft is connected with the material distribution cone through internal threads, the upper end of the central vertical shaft is positioned and fixed by a support ring and a locking round nut in the upper support, and the lower end. Through the structural design of the positioning and locking device, when the dual-rotor impact mill runs at high speed and heavy load, the central position of the central vertical shaft of the dual-rotor impact mill can be effectively controlled, and meanwhile, the inner rotor triangular belt is convenient to replace.
Description
Technical Field
The invention relates to the technical field of mining equipment, in particular to a double-rotor impact mill which can be widely applied to the links of sand making and powder making of brittle materials such as mines and the like.
Background
The impact mill has been widely popularized and applied in some enterprises for milling and making sand in China due to energy conservation and high efficiency. The representative equipment is impact grinding equipment based on a patent number ZL200620097633.X (frame type pre-grinding machine). However, in the actual use process, the following problems exist:
the impact inner rotor is arranged at the upper part of the equipment, the outer rotor is arranged at the lower part of the equipment, so that a large space is needed in the longitudinal direction of the component arrangement, the distance between two ends of a central vertical shaft is large, the deflection is large in work, a feed inlet is arranged at one side of the top end, and excessive vibration is generated when large stones or instantaneous excessive feeding is met;
secondly, because the feed inlet is offset to one side, the impact linear velocity of the edge of the inner rotor is higher than 50m/s, the counterattack linear velocity of the outer rotor is higher than 35m/s, the feed quantity exceeds 60t/h, the high speed, the heavy load, the nonuniformity of the feed granularity and the imbalance of the feed weight can cause the instantaneous increase of the impact force borne by the inner rotor and the outer rotor, so that the central vertical shaft of the double-rotor impact mill can generate large-amplitude deflection rotation to force the central vertical shaft to play or displace, so that the bearing is quickly worn, the problems of pulling out or shearing even breaking the central vertical shaft and the like of a hinged bolt can occur, and the normal use of the equipment is seriously threatened;
thirdly, in the design of patent number zl200620097633.x (frame type pre-grinding machine), a cushion block is added at the bottom of the central vertical shaft and is connected in series with the base of the frame through bolts so as to facilitate the replacement of the triangular belt, however, the environment of the working site for milling and sand making is very bad (high temperature and high humidity), after the central vertical shaft works for a long time, the main weight of the central vertical shaft is concentrated on the middle cushion block due to factors such as vibration and the like, and the central vertical shaft is also rusted and the like, so that the cushion block is difficult to take out, and certain obstruction is caused to the work of replacing the inner rotor triangular belt.
With the development of remote control technology, the impact grinding device represented by patent number zl200620097633.x (frame type pre-grinder) also loses the advantages originally in the industry.
Disclosure of Invention
The invention aims to provide a double-rotor impact mill aiming at the existing technical situation, the central position of a central vertical shaft of the double-rotor impact mill can be effectively controlled during high-speed heavy-load operation, and an inner rotor triangular belt can be conveniently replaced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a dual-rotor impact mill comprises an inner rotor motor, a shell, a frame, a central feeding triangular belt wheel, a feeding hole, a central vertical shaft, a distributing cone, an upper support, an inner rotor, an outer rotor, a safety cover, an outer rotor motor, a discharging hole, a positioning locking block, a positioning hinge bolt, a thin oil supply system, a bearing temperature rise remote monitoring and central vertical shaft deflection remote monitoring system, wherein the central vertical shaft is vertically fixed in the center of the frame, the top end of the central vertical shaft is connected with the distributing cone through internal threads, the upper end of the central vertical shaft is positioned and fixed through a support ring and a locking round nut in the upper support, the lower end of the central vertical shaft is fixed with the frame through a positioning locking device, the inner rotor and the outer rotor are both arranged on the central vertical shaft, the outer rotor is arranged on the upper part of the whole device and connected with an epitaxial support of a central blanking triangular, the outer rotor obtains power through a triangular belt of the outer rotor and a triangular belt wheel on a main shaft of an outer rotor motor, the positioning and locking device at the lower end of the central vertical shaft comprises an anti-channeling groove, an anti-twisting outer hexagon, a positioning locking block and a positioning hinged bolt, wherein the anti-channeling groove is arranged at the lower part of the central vertical shaft and the upper part of the anti-twisting outer hexagon, the anti-twisting hexagon is an outer hexagon machined at the bottom end of the central vertical shaft, the anti-channeling groove is a circular groove machined on the central vertical shaft, the positioning locking block is a symmetrical split body and comprises two cast steel semicircular bodies, the inner cavity of the positioning locking block is hollow, an anti-twisting inner hexagon and an anti-channeling boss are arranged on the wall of the inner cavity, the anti-channeling boss is a circular boss machined at the upper part of the inner cavity of the positioning locking block, the anti-twisting inner hexagon is an inner hexagon machined at the lower part of the circular boss, the height of the inner hexagon, during assembly, a circular boss in the positioning locking block is tightly buckled in a circular groove on the central vertical shaft, an inner hexagonal body in the positioning locking block is tightly fit with an outer hexagonal body at the lower end of the central vertical shaft, two symmetrical splitting surfaces of the positioning locking block are locked by fastening bolts, after the positioning locking block is clamped, the circular groove and the circular boss are matched to prevent the central vertical shaft from shifting downwards or downwards, the inner hexagonal body and the outer hexagonal body are matched to prevent the central vertical shaft from rotating, and the longitudinal height of the inner hexagonal body in the positioning locking block is greater than that of the outer hexagonal body at the lower end of the central vertical shaft by the width of a triangular belt of the used inner rotor.
Furthermore, the central vertical shaft is a hollow shaft, eight copper inlet and outlet pipes lubricated by thin oil of the bearing and a thermosensitive temperature control device arranged at the opposite part of the bearing are arranged in the central vertical shaft, a deflection monitoring device is arranged at the hollow central position of the central vertical shaft, the center of the distributing cone is also hollow, and monitoring lines of the eight copper inlet and outlet pipes lubricated by thin oil, the thermosensitive temperature control device and the deflection monitoring device are led out from the center of the distributing cone.
Further, the inner rotor comprises tertiary tower, and its top is that the level arranges along the center that it is radial several and spills the riser, and what second, third level step were arranged is that the material that returns counterattack the outer rotor carries out the counterattack piece of counterattack once more, and inner rotor central part is the rotary sleeve that turns round, turns round the sleeve bottom and is inner rotor V belt pulley.
Furthermore, an outer ring of the center blanking triangular belt wheel is provided with a triangular belt groove, an inner ring is provided with four radial inclined components with consistent inclination directions, the centers of the four inclined components are upper sleeves for mounting rolling bearings on a central vertical shaft, and the whole components are cast or welded by wear-resistant alloy steel.
Aiming at the defects of the active impact type crushing equipment, the invention makes a brand-new design:
the outer rotor is arranged at the upper part of the equipment, the inner rotor is arranged at the inner lower part of the outer rotor, so that the parts are arranged compactly and reasonably, the supports at two ends of the central vertical shaft are shortened, and the deflection is greatly reduced during working;
according to the skin effect principle, the central vertical shaft is hollowed, grease lubrication is changed into thin oil lubrication, oil pipes entering and exiting a bearing position are concentrated to the hollow part of the central vertical shaft, the lubrication environment of equipment is improved, and the service life of the bearing is prolonged;
a thermosensitive device is arranged at a hollow part corresponding to the position of a bearing on the central vertical shaft to monitor the temperature rise of the bearing and timely adjust the oil temperature and the flowing speed of thin oil, a deflection measuring element is arranged at the central position of the central vertical shaft to remotely monitor the swinging condition of the central vertical shaft and timely feed back the feeding quantity and the feeding granularity of a feeding port, so that the aims of real-time control and timely feedback adjustment of equipment are fulfilled;
the bottom end of the central vertical shaft is provided with an anti-channeling circumferential groove and an anti-twisting outer hexagonal body, and meanwhile, a split positioning block of the central vertical shaft is designed, so that the anti-twisting and anti-channeling effects of the central vertical shaft are achieved, and the inner rotor V-belt can be more conveniently replaced during equipment maintenance.
The invention has the beneficial effects that: through the design, most defects of the active impact mill in the working process can be effectively controlled basically, and the working efficiency and the reliability of the equipment are greatly improved. The deflection of the central vertical shaft can be effectively reduced; improving the lubricating environment of the equipment; the real-time control and the timely feedback adjustment of the equipment are realized; the longitudinal movement of the central vertical shaft, the swinging of the central position and the rotation of the central vertical shaft are prevented, and the damaged inner rotor triangular belt is convenient to replace.
Drawings
FIG. 1 is a schematic structural view of a dual rotor impact mill of the present invention;
FIG. 2 is a schematic view of the position of the inner and outer rotors of the present invention;
FIG. 3 is a schematic structural view of an outer rotor according to the present invention;
FIG. 4 is a schematic structural view of an inner rotor according to the present invention;
FIG. 5 is a schematic structural view of the anti-twist and anti-channeling device of the present invention;
FIG. 6 is a schematic structural view of a material-distributing cone of the present invention;
FIG. 7 is a cross-sectional view of the dispensing cone of the present invention.
Description of the labeling:
in the attached figure 1: 1. the device comprises an inner rotor motor, a shell, a frame, a central feeding triangular belt wheel, a feeding hole, a central vertical shaft, a material separating cone, a supporting device 8, an upper support, a discharging hole, a positioning locking block, a positioning hinge bolt, a safety cover, a motor 12, an outer rotor motor, a discharging hole, a positioning locking block and a positioning hinge bolt, wherein the inner rotor motor 2, the shell, the frame, the central feeding triangular belt wheel 4, the.
In the attached fig. 2: 10. the device comprises an outer rotor, 10-1 parts of an outer rotor support, 10-2 parts of a material pressing inclined block, 10-3 parts of an outer rotor center sleeve, 4 parts of a center feeding triangular belt wheel, 9 parts of an inner rotor, 9-1 parts of a throwing plate, 9-2 parts of a counterattack block.
In FIG. 3: 10-1 parts of an outer rotor support, 10-2 parts of a material pressing inclined block, 10-3 parts of an outer rotor center sleeve, 4 parts of a center feeding triangular belt wheel, 10 parts of an outer rotor.
In fig. 4: 9-1 parts of a throwing plate, 9-2 parts of a counterattack block, 9-3 parts of an inner rotor central sleeve, 9-4 parts of an inner rotor triangular belt wheel.
In fig. 5: 6. 6-1 parts of a central vertical shaft, 6-2 parts of a channeling-preventing groove, 6-3 parts of an anti-twisting outer hexagon, 14 parts of an anti-twisting inner hexagon and a positioning block.
In fig. 6: 7. and (5) a material separating cone.
In FIG. 7: 7. and (5) a material separating cone.
Detailed Description
The invention will be further explained with reference to the drawings.
The double-rotor impact mill is mainly composed of an inner rotor motor 1, a shell 2, a frame 3, a central feeding triangular belt wheel 4, a feeding hole 5, a central vertical shaft 6, a material separating cone 7, an upper support 8, an inner rotor 9, an outer rotor 10, a safety cover 11, an outer rotor motor 12, a discharging hole 13, a positioning locking block 14, a positioning hinge bolt 15, a thin oil supply system, a bearing temperature rise remote monitoring system and a central vertical shaft deflection remote monitoring system, wherein the inner rotor motor 1 is connected with the shell through a connecting rod.
The internal structure is as follows:
as shown in fig. 1 and 5, a central vertical shaft 6 is vertically fixed in the center of the frame 3, the top end of the central vertical shaft is connected with a distributing cone 7 through internal threads, the upper end of the central vertical shaft is positioned and fixed by a support ring and a locking round nut in an upper support 8, and the lower end of the central vertical shaft is fixed with the frame 3 through a positioning and locking device. An inner rotor 9 and an outer rotor 10 are both arranged on a central vertical shaft 6, the outer rotor 10 is arranged on the upper portion of the whole device and connected with an extension support 10-1 of a central blanking triangular belt wheel 4, the inner rotor 9 is arranged on the inner lower side of the outer rotor 10, the inner rotor 9 obtains power through an inner rotor triangular belt and a triangular belt wheel on a main shaft of an inner rotor motor 1, and the outer rotor 10 obtains power through the outer rotor triangular belt and a triangular belt wheel on a main shaft of an outer rotor motor 12.
The positioning and locking device at the lower end of the central vertical shaft 6 comprises an anti-channeling groove 6-1, an anti-twisting outer hexagon 6-2, a positioning locking block 14 and a positioning hinged bolt 15, wherein the anti-channeling groove 6-1 is formed in the lower portion of the central vertical shaft 6 and the upper portion of the anti-twisting outer hexagon 6-2, the anti-twisting outer hexagon 6-2 is an outer hexagon machined at the bottom end of the central vertical shaft 6, and the anti-channeling groove 6-1 is a circular groove formed in the central vertical shaft 6. The positioning locking block 14 is a symmetrical split body and comprises two cast steel semicircular bodies, the inner cavity of the positioning locking block is hollow, the wall of the inner cavity is provided with an anti-twisting inner hexagonal body 6-3 and an anti-channeling boss, the anti-channeling boss is a circular boss processed at the upper part of the inner cavity of the positioning locking block 14, the anti-twisting inner hexagonal body 6-3 is an inner hexagonal body processed at the lower part of the circular boss, and the height of the inner hexagonal body in the positioning locking block 14 is greater than that of the outer hexagonal body on the central vertical shaft 6.
During assembly, a circular boss in the positioning locking block 14 is tightly buckled in a circular groove on the central vertical shaft 6, an inner hexagonal body in the positioning locking block 14 is tightly matched with an outer hexagonal body at the lower end of the central vertical shaft 6, two symmetrical splitting surfaces of the positioning locking block are locked by fastening bolts, after the positioning locking block 14 is clamped, the circular groove and the circular boss are matched to prevent the central vertical shaft 6 from shifting downwards or downwards, and the inner hexagonal body and the outer hexagonal body are matched to prevent the central vertical shaft 6 from rotating.
The longitudinal height of the inner hexagonal body in the positioning locking block 14 is larger than that of the outer hexagonal body at the lower end of the central vertical shaft 6 by the width of an inner rotor triangular belt, so that the inner rotor triangular belt is convenient to replace during equipment maintenance.
As shown in figure 3, the outer rotor 10 is arranged at the upper part of the whole equipment and is connected with an extension support 10-1 of a central blanking triangular belt wheel 4, the outer ring of the central blanking triangular belt wheel 4 is a triangular belt groove, the inner ring is provided with four radial inclined components 10-2 (playing a role of forced feeding) with consistent inclination directions, the centers of the four inclined components 10-2 are outer rotor central sleeves 10-3 which are provided with rolling bearings on a central vertical shaft 6, and the whole components are cast or welded by wear-resistant alloy steel.
As shown in fig. 4, the inner rotor 9 is arranged at the lower side in the outer rotor 10, the inner rotor 9 is composed of three stages of towers, the top end of the inner rotor is provided with a plurality of radial scattering vertical plates 9-1 horizontally arranged along the center, the second stage and the third stage are provided with counterattack blocks 9-2 for counterattacking materials returned by the counterattack of the outer rotor 10 again, the central part of the inner rotor 9 is a rotary sleeve 9-3, and the bottom end of the rotary sleeve is provided with an inner rotor triangular belt wheel 9-4.
When the material spreading machine works, materials (such as stones) enter a central feeding hole through a material spreading cone, an outer rotor 10 is driven by an outer rotor motor 12 to run at a high speed at a linear speed higher than 30 meters per second, four inclined components 10-2 arranged at the center of a triangular belt wheel forcibly press the entering materials to a spreading vertical plate 9-1 of an inner rotor 9, the inner rotor 9 is driven by the inner rotor motor 1 to drive the spreading vertical plate 9-1 to spread the materials to the outer rotor 10 at a high speed at a linear speed higher than 50 meters per second in a direction opposite to the running direction of the outer rotor 10, the materials are immediately knocked back to the inner rotor 9 by the outer rotor 10, and the materials are knocked back to the outer rotor 10 again by the knocking blocks 9-2 arranged on a second step and a third step on the inner rotor 9, so that the process is continuously and repeatedly carried out. Meanwhile, because the movement tracks of the materials in the processes of impact and counterattack are disordered, a plurality of materials become curtains in the process of back-and-forth impact, and the materials are collided repeatedly by the impact materials and the counterattack materials to become dust. Because of the impact and counterattack of the materials and the cooperative action of the material curtain, the energy utilization rate of the equipment is high, and the effect is good.
As shown in figures 1 and 2, the inner rotor 9 is arranged at the inner lower part of the outer rotor 10, so the structure is extremely compact, the supporting distance of the two ends of the central vertical shaft 6 is greatly shortened, the stress of the central vertical shaft 6 is greatly improved, and the bow-shaped deflection is greatly reduced during the operation.
As shown in figure 5, the central vertical shaft 6 is a hollow shaft, the top end of the central vertical shaft is connected with a material distribution cone 7 through internal threads, eight copper inlet and outlet pipes lubricated by thin oil of a bearing and a heat-sensitive temperature control device arranged at the opposite part of the bearing are arranged in the central vertical shaft 6, a deflection monitoring device is arranged at the hollow central position of the central vertical shaft 7, the center of the material distribution cone 7 is also hollow, and monitoring lines of the eight copper inlet and outlet pipes lubricated by the thin oil, the heat-sensitive temperature control device and the deflection monitoring device are led out from the center of the material distribution cone 7. Because the oil is supplied by adopting the grease lubrication external mode, the bearing can be damaged due to overheating caused by manual negligence or oil pipe damage, and the condition can be avoided after the thermosensitive temperature control device and the monitoring line are arranged through the hollow central vertical shaft 6 and the material distributing cone.
In the working process of the equipment, the inner rotor and the outer rotor run in a high-speed and heavy-load mode, the impact force borne by the central vertical shaft 6 is increased irregularly and instantly due to the nonuniformity of the feeding granularity and the nonuniformity of the feeding weight, the structural design can effectively prevent the longitudinal movement of the central vertical shaft 6, the swinging of the central position and the rotation (large-amplitude deflection rotary turning) of the central vertical shaft 6, further ensure the normal running of the double-rotor impact mill, simultaneously conveniently replace the damaged inner rotor triangular belt, and only need to disassemble two parts of the positioning locking block 14.
It should be understood that the above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the invention, therefore, all equivalent changes in the principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192847.6A CN112588375A (en) | 2020-10-30 | 2020-10-30 | Double-rotor impact mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192847.6A CN112588375A (en) | 2020-10-30 | 2020-10-30 | Double-rotor impact mill |
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| Publication Number | Publication Date |
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| CN112588375A true CN112588375A (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011192847.6A Pending CN112588375A (en) | 2020-10-30 | 2020-10-30 | Double-rotor impact mill |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200977460Y (en) * | 2006-07-05 | 2007-11-21 | 王秋珍 | Frame type pre-grinding machine |
| WO2009154582A1 (en) * | 2008-06-20 | 2009-12-23 | Bingol Oz | Vertical turbo crusher |
| CN102407185A (en) * | 2011-05-11 | 2012-04-11 | 王秋珍 | Device for impacting and upward throwing sieve residue again of ore ultrafine pulverizer |
| CN204140790U (en) * | 2014-09-18 | 2015-02-04 | 安徽池州伟舜机电有限公司 | A kind of machine tool chief axis belt tensioning mechanism |
| CN105123085A (en) * | 2015-08-17 | 2015-12-09 | 宁波大叶园林设备有限公司 | Mowing machine capable of adjusting height of racks of perpendicular front wheel vertical shaft by means of worm wheel with self-locking property |
| CN205731435U (en) * | 2016-05-13 | 2016-11-30 | 姜建炎 | A kind of Inside sifter birotor vertical-spindle hammer crusher |
| CN214717113U (en) * | 2020-10-30 | 2021-11-16 | 湖北第二师范学院 | Double-rotor impact mill |
-
2020
- 2020-10-30 CN CN202011192847.6A patent/CN112588375A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200977460Y (en) * | 2006-07-05 | 2007-11-21 | 王秋珍 | Frame type pre-grinding machine |
| WO2009154582A1 (en) * | 2008-06-20 | 2009-12-23 | Bingol Oz | Vertical turbo crusher |
| CN102407185A (en) * | 2011-05-11 | 2012-04-11 | 王秋珍 | Device for impacting and upward throwing sieve residue again of ore ultrafine pulverizer |
| CN204140790U (en) * | 2014-09-18 | 2015-02-04 | 安徽池州伟舜机电有限公司 | A kind of machine tool chief axis belt tensioning mechanism |
| CN105123085A (en) * | 2015-08-17 | 2015-12-09 | 宁波大叶园林设备有限公司 | Mowing machine capable of adjusting height of racks of perpendicular front wheel vertical shaft by means of worm wheel with self-locking property |
| CN205731435U (en) * | 2016-05-13 | 2016-11-30 | 姜建炎 | A kind of Inside sifter birotor vertical-spindle hammer crusher |
| CN214717113U (en) * | 2020-10-30 | 2021-11-16 | 湖北第二师范学院 | Double-rotor impact mill |
Non-Patent Citations (1)
| Title |
|---|
| 王秋珍;: "冲击式粉磨机在砂石生产线上的多用途开发应用", 湖北第二师范学院学报, no. 02, 15 February 2018 (2018-02-15), pages 17 - 20 * |
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