CN112354661A - Semi-final grinding process - Google Patents
Semi-final grinding process Download PDFInfo
- Publication number
- CN112354661A CN112354661A CN202011125120.6A CN202011125120A CN112354661A CN 112354661 A CN112354661 A CN 112354661A CN 202011125120 A CN202011125120 A CN 202011125120A CN 112354661 A CN112354661 A CN 112354661A
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- Prior art keywords
- transmission
- powder
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- feeding
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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
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
Abstract
The invention discloses a semi-final grinding process, which comprises the following steps: the device comprises a primary powder selecting unit with a primary grinding closed circuit, a cement grinding unit, a secondary powder selecting unit, a finished product discharging unit and a feeding unit; the primary powder selecting unit comprises a feeding end, a final powder discharging end, a semi-final powder discharging end and a coarse powder discharging end, the feeding unit is connected with the feeding end, the finished product discharging unit collects final powder discharged by the final powder discharging end, the cement grinding unit collects semi-final powder discharged by the semi-final powder discharging end, the primary grinding closed circuit collects final powder discharged by the coarse powder discharging end and sends the final powder back to the feeding end, the finished product discharging unit collects final powder discharged by the cement grinding unit and has a qualified particle size, the secondary powder selecting unit is used for collecting semi-final powder discharged by the cement grinding unit and sends the semi-final powder back to the cement grinding unit, and the final powder discharged by the secondary powder selecting unit and has a qualified particle size is sent to the finished product discharging unit.
Description
Technical Field
The invention relates to the technical field of grinding, in particular to a semi-final grinding process.
Background
The production of cement is not separated from a grinding process, powder selection is a very important process flow in a grinding process system, the quality of the selected powder directly influences the efficiency of the whole grinding system and the quality of a final product, when the existing powder selecting machine is used for grinding the powder selecting material, unqualified coarse powder with larger particle size and unqualified semi-final powder with smaller particle size at the discharge end of the powder selecting machine are uniformly discharged at the discharge end of the coarse powder, and the powder is ground and then returned to the powder selecting machine for secondary powder selection, so that the grinding of the unqualified semi-final powder with smaller particle size cannot be realized.
Disclosure of Invention
In order to achieve the purpose, the invention discloses a semi-final grinding process, which comprises the following steps: the device comprises a primary powder selecting unit with a primary grinding closed circuit, a cement grinding unit, a secondary powder selecting unit, a finished product discharging unit and a feeding unit;
the primary powder selecting unit comprises a feeding end, a final powder discharging end, a semi-final powder discharging end and a coarse powder discharging end, the feeding unit is connected with the feeding end, the finished product discharging unit collects final powder discharged by the final powder discharging end, the cement grinding unit collects semi-final powder discharged by the semi-final powder discharging end, the primary grinding closed circuit collects final powder discharged by the coarse powder discharging end and sends the final powder back to the feeding end, the finished product discharging unit collects final powder discharged by the cement grinding unit and has a qualified particle size, the secondary powder selecting unit is used for collecting semi-final powder discharged by the cement grinding unit and sends the semi-final powder back to the cement grinding unit, and the final powder discharged by the secondary powder selecting unit and has a qualified particle size is sent to the finished product discharging unit.
Preferably, the primary dust selecting unit comprises:
the coarse powder grinding device comprises a shell, a coarse powder grinding device and a grinding device, wherein the shell is vertically arranged, the bottom end of the shell is in a closed inverted cone shape, the coarse powder discharging end is located at the bottom end of the shell, the feeding end is arranged at the top end of the shell, and the primary grinding closed circuit is far away from the coarse powder discharging end and connected with the feeding end;
the central shaft rod is vertically positioned at the central end of the shell, and the top end of the central shaft rod is exposed out of the top end of the shell;
the spreading disc is arranged at the bottom end of the central shaft rod;
the sleeve is sleeved on the central shaft rod, the top end of the sleeve is exposed out of the top end of the shell, and the top end of the central shaft rod is exposed out of the sleeve;
the rectifying rotor is arranged on the sleeve;
the feeding channel is arranged in the shell and is in a closed type from top to bottom, the feeding end of the feeding channel is connected with the feeding hole, the discharging end of the feeding channel is communicated with the interior of the rectifying rotor, and the central shaft rod and the sleeve are arranged by penetrating through the central end of the feeding channel;
the guide blades are positioned in the shell and are circumferentially distributed around the rectifying rotor;
the blade fixing frame is of a bucket-shaped structure, the guide blades are connected to the inlet end of the blade fixing frame, the outlet end of the blade fixing frame is connected to the central position of the material scattering disc, and the central shaft rod is arranged close to the end of the material scattering disc and penetrates through the outlet end of the blade fixing frame;
the partition plates are circumferentially distributed around the blade fixing frame and are arranged in an inclined mode, and the low-position ends of the partition plates are connected with the inner wall of the shell;
the distribution cone is positioned in the blade fixing frame, the feeding end of the distribution cone is positioned below the rectifying rotor, the central shaft rod is arranged close to the material scattering disc end in a penetrating mode and penetrates through the outlet end of the distribution cone, and a semi-finished powder collecting channel is formed between the outer wall of the distribution cone and the inner wall of the blade fixing frame;
the plurality of blanking pipes are circumferentially distributed on the periphery of the material distributing cone and close to the outlet end, and the blanking pipes are far away from the end of the material distributing cone and communicated with the blade fixing frame;
one end of the semi-finished powder collecting pipe is positioned below the spreading disc, the other end of the semi-finished powder collecting pipe is bent and extends out from the position, close to the bottom end, of the side end of the shell and is connected with the secondary grinding closed circuit, and the other end of the semi-finished powder collecting pipe is a semi-finished powder discharging end;
the four cyclone cylinders are circumferentially distributed around the shell, the bottom end of each cyclone cylinder is a finished powder discharging end, the bottom end of each cyclone cylinder is connected with a finished product discharging unit, and the side end of each cyclone cylinder, which is close to the top end, is connected with a finished powder outlet which is arranged around the shell and is close to the top end;
one end of the final powder discharging pipe is connected with the position, close to the top end, of the side end of the shell, and the other end of the final powder discharging pipe is connected with the position, close to the top end, of the side end of the cyclone cylinder;
the air outlet end of the air feeder is connected into the shell from the side end of the shell and is positioned below the spreading disc, and the air inlet end of the air feeder is connected with the top ends of the cyclones through pipelines;
the driving motor set comprises two motors, one of the motors is connected with the central shaft rod, and the other motor is connected with the sleeve.
Preferably, the primary grinding closed circuit consists of a pulverizer and a roller press which are sequentially connected through a pipeline, and the pulverizer is arranged close to the coarse powder outlet.
Preferably, the second-stage powder selecting unit is a vortex powder selecting machine, a coarse powder discharging end of the second-stage powder selecting unit is connected with a closed-circuit feeding end of the second-stage grinding, and a final powder discharging end of the second-stage powder selecting unit is connected with a finished product discharging unit.
Preferably, the finished product discharging unit is a finished product discharging collecting pipe.
Preferably, the method further comprises the following steps:
the feed end of the bag type dust collector is connected with the air outlet end of the air feeder through a pipeline by-pass and collects the final powder with qualified particle size discharged by the cement grinding unit through a pipeline, and the discharge end of the bag type dust collector is connected with the finished product discharge unit through a pipeline.
Preferably, the spreading disc comprises:
the mounting seat is mounted at the bottom end of the central shaft rod;
the material scattering blades are circumferentially distributed at the side end of the mounting seat, and the discharge end of the blanking pipe is close to the material scattering blades;
the feeding chamber is circumferentially distributed in the mounting seat near the bottom end by taking the central shaft rod as a center;
the semi-finished powder channel is characterized in that a central shaft lever of the semi-finished powder channel is circumferentially distributed in the mounting seat near the top end in the center, the semi-finished powder channel is communicated with the feeding chamber, the feeding end of the semi-finished powder channel is close to the semi-finished powder collecting channel, and the discharging end of the semi-finished powder channel is obliquely arranged near the central shaft lever;
the central shaft levers of the transmission grooves are circumferentially distributed on the top end of the mounting seat as centers;
the upper transmission rack is connected in the transmission groove in a sliding manner through a return spring;
the transmission gear mounting chamber is arranged in the mounting seat and communicated with the bottom end of the transmission groove;
the transmission gear is arranged in the transmission gear installation chamber through a rotating shaft and is meshed with the upper transmission rack;
the lower transmission rack installation chamber is arranged in the installation seat and is positioned below the transmission gear installation chamber, the lower transmission rack installation chamber is communicated with the transmission gear installation chamber, and the end, far away from the central shaft rod, of the lower transmission rack installation chamber is communicated with a semi-finished powder channel;
the lower transmission rack is arranged in the lower transmission rack mounting chamber and is meshed with the transmission teeth;
the baffle is connected to the end, far away from the central shaft rod, of the lower transmission rack;
the fixed claw is connected to the end, close to the central shaft rod, of the lower transmission rack;
the centrifugal block is arranged at the top end of the upper transmission rack;
and the blanking port is circumferentially distributed at the bottom end of the mounting seat by taking the central shaft rod as a center, and the blanking port is communicated in the feeding chamber.
Preferably, the semi-finished powder collection tube comprises:
the collecting pipe fixing frame is arranged in the shell and is close to the bottom end;
the fixed seat is fixedly connected to the collecting pipe fixed frame;
the first mounting hole is formed in the center end of the fixed seat;
the two first transmission chambers are symmetrically distributed in the fixed seat by taking the first mounting hole as a center, and the first transmission chambers are communicated with the first mounting hole;
the first locking plate is arranged in the first transmission chamber through a first spring;
the two second transmission chambers are symmetrically distributed in the fixed seat by taking the first mounting hole as a center, and the second transmission chambers are positioned at the ends, far away from the first mounting hole, of the first transmission chambers;
two meshed first bevel gears are arranged in the second transmission chamber;
the third transmission chamber is positioned in the fixed seat;
the two first belt wheels are arranged in a third transmission chamber through a first transmission belt;
one end of the first rotating shaft is connected with a first belt pulley, and the other end of the first rotating shaft is connected with one of the first bevel gears;
the two fourth transmission chambers are symmetrically distributed in the fixed seat by taking the first mounting hole as a center, the fourth transmission chambers are positioned above the first transmission chambers, and the fourth transmission chambers are communicated with the first transmission chambers;
the first turning block is arranged in a sector gear shape and is arranged in the fourth transmission chamber through a second rotating shaft, and the first turning block shifts the first locking plate to slide in the first transmission chamber;
the first rotating shaft and the second rotating shaft penetrate through the fifth transmission chamber and the sixth transmission chamber in parallel;
the two first flat gears are meshed and positioned in the fifth transmission chamber, and the two first flat gears are respectively arranged on one first rotating shaft and one second rotating shaft;
the two second belt wheels are positioned in a sixth transmission chamber, are respectively arranged on the other first rotating shaft and the other second rotating shaft, and are connected through a second transmission belt;
the lifting groove is formed in the top end of the fixed seat;
the lifting gear is positioned in the lifting groove;
one end of the third rotating shaft is connected with the lifting gear, and the other end of the third rotating shaft penetrates through one of the second transmission chambers and is connected with one of the first bevel gears;
the lifting rack is positioned in the lifting groove, and the lifting gear is meshed with the lifting rack;
the lifting seat is positioned above the fixed seat and is connected with the lifting rack;
the second mounting hole is formed in the center end of the lifting seat;
the two seventh transmission chambers are symmetrically distributed in the lifting seat by taking the second mounting hole as a center, and the seventh transmission chambers are communicated in the second mounting hole;
the second locking plate is arranged in the seventh transmission chamber through a second spring;
the eighth transmission chamber is positioned in the lifting seat;
two meshed second bevel gears, wherein the two second bevel gears are arranged in the eighth transmission chamber;
the ninth transmission chamber is positioned in the lifting seat;
the two third belt wheels are arranged in a ninth transmission chamber through a third transmission belt;
one end of the fourth rotating shaft is connected with one of the third belt wheels, and the other end of the fourth rotating shaft penetrates through the eighth transmission chamber and is connected with one of the second bevel gears;
the two tenth transmission chambers are symmetrically distributed in the lifting seat by taking the second mounting hole as a center, the tenth transmission chamber is positioned above the seventh transmission chamber, and the tenth transmission chamber is communicated with the seventh transmission chamber;
the second turning block is arranged in a sector gear shape, the second turning block is arranged in a tenth transmission chamber through a fifth rotating shaft, the second turning block stirs a second locking plate to slide in a seventh transmission chamber, and one fifth rotating shaft penetrates through a ninth transmission chamber and is connected with the other third belt wheel;
the eleventh transmission chamber is positioned in the lifting seat, and the other fifth rotating shaft and the fourth rotating shaft penetrate through the eleventh transmission chamber in parallel;
the two second flat gears are meshed and positioned in the eleventh transmission chamber, and are respectively arranged on the other fifth rotating shaft and the fourth rotating shaft;
the lifting motor is arranged at the bottom end of the fixed seat;
one end of the spline shaft is connected with the output end of the lifting motor, the other end of the spline shaft penetrates through the second transmission chamber and the eighth transmission chamber, the first bevel gear is fixedly connected to the spline shaft, and the second bevel gear is connected to the spline shaft through a spline sleeve;
the first pipe body penetrates through the first mounting hole and the second mounting hole;
the semi-finished powder feeding port is arranged at the top end of the first pipe body and is close to the blanking port;
and one end of the connecting hose is connected with the first pipe body far away from the semi-finished powder feeding port, and the other end of the connecting hose penetrates out of the position, close to the bottom end, of the side end of the shell and is connected with the secondary grinding closed circuit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic structural diagram of a primary powder selecting unit in the present invention;
FIG. 3 is a schematic diagram of the primary grinding closed circuit and the secondary grinding closed circuit of the present invention;
FIG. 4 is a schematic view of the central shaft and sleeve configuration of the present invention;
FIG. 5 is a schematic view of the structure of the spreading plate of the present invention;
FIG. 6 is a schematic view of a semi-finished powder collection tube according to the present invention;
FIG. 7 is a sectional view of the fixing base of the present invention;
fig. 8 is a sectional view of the elevating base of the present invention.
In the figure: 1. a primary powder selecting unit; 2. a secondary powder selecting unit; 3. primary grinding is closed; 4. secondary grinding is performed to form a closed circuit; 5. a finished product discharging unit; 11. a housing; 12. a feeding end; 13. a central shaft; 14. a material spreading disc; 15. a sleeve; 16. a commutator rotor; 17. a feed channel; 18. a guide blade; 19. a blade mount; 10. a partition plate; 61. a material separating cone; 62. a discharging pipe; 63. a semi-finished powder collecting pipe; 64. a coarse powder outlet; 65. a cyclone; 66. a blower; 67. a drive motor group; 141. a mounting seat; 142. a spreading blade; 143. a feed chamber; 144. a semi-finished powder channel; 145. a transmission groove; 146. uploading a transmission rack; 147. a transmission gear mounting chamber; 148. a transmission gear; 149. a lower transmission rack mounting chamber; 140. a lower drive rack; 151. a baffle plate; 152. a fixed jaw; 153. a centrifugal block; 154. a blanking port; 631. a collecting pipe fixing frame; 632. a fixed seat; 633. a first mounting hole; 634. a first transmission chamber; 635. a first locking plate; 636. a first spring; 637. a second transmission chamber; 638. a first bevel gear; 639. a third transmission chamber; 630. a first drive belt; 641. a first pulley; 642. a first rotating shaft; 643. a fourth transmission chamber; 644. a first turning block; 645. a second rotating shaft; 646. a fifth transmission chamber; 647. a sixth transmission chamber; 648. a first spur gear; 649. a second pulley; 640. a second belt; 651. a lifting gear; 652. a third rotating shaft; 653. a lifting rack; 654. a lifting seat; 655. a second mounting hole; 656. a seventh transmission chamber; 657. a second locking plate; 658. a second spring; 659. an eighth transfer chamber; 650. a second bevel gear; 661. a ninth drive chamber; 662. a third belt pulley; 663. a third belt; 664. a fourth rotating shaft; 665. a tenth gear chamber; 666. a second turning block; 667. a fifth rotating shaft; 668. an eleventh transfer chamber; 669. a second spur gear; 660. a lifting motor; 671. a spline shaft; 672. a spline housing; 673. a semi-finished powder feed port; 674. a connecting hose; 675. a lifting groove; 676. a first tube.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 8, the semi-finish grinding process provided in this embodiment includes: a primary powder selecting unit 1 with a primary grinding closed circuit 3, a cement grinding unit 4, a secondary powder selecting unit 2, a finished product discharging unit 5 and a feeding unit;
the primary powder selecting unit 1 comprises a feeding end 12, a final powder discharging end, a semi-final powder discharging end and a coarse powder discharging end, the feeding unit is connected with the feeding end 12, the finished product discharging unit 5 collects final powder discharged by the final powder discharging end, the cement grinding unit 4 collects semi-final powder discharged by the semi-final powder discharging end, the primary grinding closed circuit 3 collects final powder discharged by the coarse powder discharging end and sends the final powder back to the feeding end 12, the finished product discharging unit 5 collects final powder with qualified particle size discharged by the cement grinding unit 4, the secondary powder selecting unit 2 is used for collecting semi-final powder with unqualified particle size discharged by the cement grinding unit 4 and sends the semi-final powder back to the cement grinding unit 4, and the final powder with qualified particle size discharged by the secondary powder selecting unit 2 is sent to the finished product discharging unit 5.
The working principle and the beneficial effects of the technical scheme are as follows:
the invention discloses a semi-final grinding process.A primary powder selecting unit 1 comprises a final powder discharging end, a semi-final powder discharging end and a coarse powder discharging end, thereby dividing the particles with unqualified particle diameter into semi-final powder and coarse powder, wherein the particle diameter of the coarse powder is larger than that of the semi-final powder, the material is sent into the primary powder selecting unit 1 by the feeding unit through the feeding end 12 to be smashed and selected, the final powder with qualified particle diameter is discharged into the finished product discharging unit 5 from the final powder discharging end, the unqualified coarse powder with larger particle diameter enters the primary grinding closed circuit 3 to be ground, returning to the primary powder selecting unit 1, performing secondary powder selection, feeding unqualified semi-finished powder with smaller particle size into the cement mill unit 4 for grinding, feeding the ground semi-finished powder material into the secondary powder selecting unit 2 for crushing and powder selection, feeding the finished powder with qualified particle size into the finished product discharging unit 5, and feeding the semi-finished powder with unqualified particle size back to the cement mill unit 4 for secondary grinding.
In one embodiment provided by the present invention, the primary dust selecting unit 1 includes:
the shell 11 is vertically arranged, the bottom end of the shell 11 is in a closed inverted cone shape, the coarse powder discharging end is located at the bottom end of the shell 11, the feeding end 12 is arranged at the top end of the shell 11, and the primary grinding closed circuit 3 is connected with the feeding end 12 far away from the coarse powder discharging end;
the central shaft rod 13 is vertically positioned at the central end of the shell 11, and the top end of the central shaft rod 13 is exposed out of the top end of the shell 11;
the spreading disc 14, the spreading disc 14 is mounted at the bottom end of the central shaft rod 13;
the sleeve 15 is sleeved on the central shaft rod 13, the top end of the sleeve 15 is exposed out of the top end of the shell 11, and the top end of the central shaft rod 13 is exposed out of the sleeve 15;
a commutator rotor 16, the commutator rotor 16 being mounted on the sleeve 15;
the feeding channel 17 is arranged in the shell 11, the feeding channel 17 is arranged in a closed manner from top to bottom, a feeding end of the feeding channel 17 is connected with the feeding hole 12, a discharging end of the feeding channel 17 is communicated with the rectifying rotor 16, and the central shaft rod 13 and the sleeve 15 are arranged by penetrating through the central end of the feeding channel 17;
the guide vanes 18, the guide vanes 18 are located in the shell 11, and the guide vanes 18 are circumferentially distributed around the rectification rotor 16;
the blade fixing frame 19 is of a bucket-shaped structure, the guide blades 18 are connected to the inlet end of the blade fixing frame 19, the outlet end of the blade fixing frame 19 is connected to the central position of the spreading disc 14, and the central shaft rod 13 is arranged close to the end of the spreading disc 14 and penetrates through the outlet end of the blade fixing frame 19;
the partition plates 10 are circumferentially distributed around the blade fixing frame 19, the partition plates 10 are obliquely arranged, and the low-position ends of the partition plates 10 are connected with the inner wall of the shell 11;
the distributing cone 61, the distributing cone 61 is located in the blade fixing frame 19, the feeding end of the distributing cone 61 is located below the rectifying rotor 16, the end of the central shaft rod 13 close to the material scattering disc 14 penetrates through the outlet end of the distributing cone 61, and a semi-finished powder collecting channel is formed between the outer wall of the distributing cone 61 and the inner wall of the blade fixing frame 19;
a plurality of blanking pipes 62 are circumferentially distributed on the periphery of the distributing cone 61 and close to the outlet end, and the end, far away from the distributing cone 61, of each blanking pipe 62 is communicated with the blade fixing frame 19;
one end of the semi-finished powder collecting pipe 63 is positioned below the spreading disc 14, the other end of the semi-finished powder collecting pipe 63 is bent and extends out from the position, close to the bottom end, of the side end of the shell 11 and is connected with the secondary grinding closed circuit 4, and the other end of the semi-finished powder collecting pipe 63 is a semi-finished powder discharging end;
the four cyclones 65 are circumferentially distributed around the shell 11, the bottom end of each cyclone 65 is a finished powder discharging end, the bottom end of each cyclone 65 is connected with the finished product discharging unit 5, and the positions, close to the top ends, of the side ends of the cyclones 65 are connected with finished powder outlets arranged around the shell 11 and close to the top ends;
one end of the final powder discharging pipe is connected with the position, close to the top, of the side end of the shell 11, and the other end of the final powder discharging pipe is connected with the position, close to the top, of the side end of the cyclone cylinder 65;
the air outlet end of the air blower 66 is connected into the shell 11 from the side end of the shell 11 and is positioned below the material scattering disc 14, and the air inlet end of the air blower 66 is connected with the top end of each cyclone 65 through a pipeline;
and the driving motor set 67 is composed of two motors, wherein one motor is connected with the central shaft rod 13, and the other motor is connected with the sleeve 15.
The working principle and the beneficial effects of the technical scheme are as follows:
the material is fed into the shell 11 from the feed inlet 12, the material passes through the rectifying rotor 16, the distributing cone 61 and the blanking pipe 62 and is fed onto the spreading disk 14, the spreading disk 14 realizes the breaking and uniform spreading of the material, the blower 66 works to form an ascending air flow in the shell 11, the unqualified coarse powder with larger particle size is discharged from the coarse powder outlet 64 at the bottom end of the shell 11 under the action of self-weight, the unqualified middle coarse powder with smaller particle size and the final powder with qualified particle size pass through the partition board 10 and the guide vane 18 under the action of the ascending air flow and are struck on the rectifying rotor 16, the rectifying rotor 16 generates vortex around the rectifying rotor under the drive of the sleeve 15 and strikes the unqualified middle coarse powder with smaller particle size, the final powder with qualified particle size is fed into the cyclone cylinder 65 through the final powder outlet under the action of the vortex and the ascending air flow, the finished product discharging unit 5 collects the final powder discharged from the bottom end of the cyclone cylinder 65, the middle coarse powder with, the coarse powder passes through the center of the material scattering disc 14 and is collected in the middle coarse powder collecting pipe 63, the primary grinding closed circuit 3 collects unqualified coarse powder with larger particle size discharged from the coarse powder outlet 64 and returns the unqualified coarse powder into the shell 11 for secondary powder selection, the secondary grinding closed circuit 4 collects middle coarse powder discharged from the middle coarse powder collecting pipe 63, the air inlet end of the air feeder 66 is connected with the top end of each cyclone cylinder 65 through a pipeline, so that air feeding internal circulation of the air feeder 66 is realized, noise is reduced, and the driving motor set 67 drives the sleeve 15 and the central shaft rod 13 to rotate in different directions.
In one embodiment of the present invention, the primary grinding closed circuit 3 is composed of a pulverizer and a roller press which are connected in sequence through a pipeline, and the pulverizer is arranged near the coarse powder outlet 64.
The beneficial effects of the above technical scheme are:
the crusher and the roller press crush and roll grind the coarse powder discharged from the primary powder selecting unit 1, and return the coarse powder to the primary powder selecting unit 1 for secondary powder selection.
In one embodiment provided by the invention, the secondary powder selecting unit 2 is a vortex powder selecting machine, the coarse powder discharging end of the secondary powder selecting unit 2 is connected with the feeding end of a secondary grinding closed circuit 4, and the final powder discharging end of the secondary powder selecting unit 2 is connected with a finished product discharging unit 5.
The beneficial effects of the above technical scheme are:
the second-stage powder selecting unit 2 is a vortex powder selecting machine and comprises a coarse powder discharging end and a final powder discharging end, a finished product discharging unit 5 collects the final powder discharged from the final powder discharging end, and a second-stage grinding closed circuit 4 collects the coarse powder discharged from the coarse powder discharging end.
In one embodiment of the present invention, the product discharge unit 5 is a product discharge collecting pipe.
In one embodiment, the present invention further includes:
the feed end of the bag type dust collector is connected with the air outlet end of the air feeder 66 through a pipeline by-pass and is connected with the final powder with qualified particle size discharged by the cement grinding unit 4 through a pipeline, and the discharge end of the bag type dust collector is connected with the finished product discharge unit 5 through a pipeline.
In one embodiment of the present invention, the spreading tray 14 includes:
the mounting seat 141 is mounted at the bottom end of the central shaft rod 13;
the material spreading blades 142 are circumferentially distributed at the side end of the mounting seat 141, and the discharge end of the blanking pipe 62 is close to the material spreading blades 142;
the feeding chamber 143 is circumferentially distributed in the mounting base 141 near the bottom end by taking the central shaft 13 as a center;
the central shaft rod 13 of the semi-finished powder channel 144 is circumferentially distributed in the mounting seat 141 near the top end position as the center, the semi-finished powder channel 144 is communicated in the feeding chamber 143, the feeding end of the semi-finished powder channel 144 is near the semi-finished powder collecting channel, and the discharging end of the semi-finished powder channel 144 is obliquely arranged near the central shaft rod 13;
the central shaft 13 in the transmission grooves 145 is circumferentially distributed on the top end of the mounting seat 141 as the center;
the upper transmission rack 146 is connected in the transmission groove 145 in a sliding manner through a return spring;
the transmission gear mounting chamber 147 is arranged in the mounting seat 141, and the transmission gear mounting chamber 147 is communicated with the bottom end of the transmission groove 145;
a driving gear 148, wherein the driving gear 148 is installed in the driving gear installation chamber 147 through a rotating shaft, and the driving gear 148 is meshed with the upper driving rack 146;
the lower transmission rack installation chamber 149 is arranged in the installation seat 141, the lower transmission rack installation chamber 149 is positioned below the transmission gear installation chamber 147, the lower transmission rack installation chamber 149 is communicated with the transmission gear installation chamber 147, and the lower transmission rack installation chamber 149 is far away from the end of the central shaft rod 13 and is communicated with the semi-finished powder channel 144;
a lower rack gear 140, wherein the lower rack gear 140 is installed in a lower rack gear installation chamber 149, and the lower rack gear 140 is meshed with the rack gear 148;
a baffle 151, wherein the baffle 151 is connected to the end of the lower transmission rack 140 far away from the central shaft rod 13;
a fixed jaw 152, wherein the fixed jaw 152 is connected to the end of the lower transmission rack 140 close to the central shaft 13;
the centrifugal block 153 is mounted at the top end of the upper transmission rack 146;
a plurality of the blanking ports 154 are circumferentially distributed at the bottom end of the mounting seat 141 by taking the central shaft rod 13 as a center, and the blanking ports 154 are communicated in the feeding chamber 143.
The working principle and the beneficial effects of the technical scheme are as follows:
when the central shaft rod 13 drives the mounting seat 141 connected to the bottom end of the central shaft rod to rotate, the centrifugal block 153 generates centrifugal force to drive the upper transmission rack 146 to slide in the transmission groove 145 in the direction far away from the central shaft rod 13, the return spring is pulled up, the upper transmission rack 146 drives the lower transmission rack 140 positioned in the lower transmission rack mounting chamber 149 to slide in the direction close to the central shaft rod 13 through the transmission teeth 148 positioned in the transmission tooth mounting chamber 147, the baffle plate 151 connected with the end, far away from the central shaft rod 13, of the lower transmission rack 140 moves in the direction close to the central shaft rod 13, at the moment, the middle coarse powder material channel 144 is opened, the middle coarse powder falling from the middle coarse powder material collecting channel enters the feeding chamber 143 and falls into the middle coarse powder collecting pipe 63 from the discharging port 154, the faster the central shaft rod 13 rotates, the centrifugal block 153 has larger centrifugal force, the return spring is pulled up longer, the baffle plate 151 has larger opening degree in the middle coarse powder channel 144, the fixed claw 152 positioned at the end, therefore, the phenomenon that the mounting seat 141 shakes due to the fact that the rotating speed of the central shaft rod 13 is too high is prevented, and the middle coarse powder collecting channel cannot align with the middle coarse powder channel 144.
In one embodiment provided by the present invention, the semi-finished powder collection tube 63 includes:
the collecting pipe fixing frame 631 is mounted in the shell 11 near the bottom end;
the fixed seat 632 is fixedly connected to the collecting pipe fixed frame 631;
the first mounting hole 633 is formed in the central end of the fixed seat 632;
two first transmission chambers 634, the two first transmission chambers 634 are symmetrically distributed in the fixed base 632 with the first mounting hole 633 as the center, the first transmission chambers 634 are communicated with the first mounting hole 633;
a first locking plate 635, the first locking plate 635 mounted within the first transmission chamber 634 via a first spring 636;
the two second transmission chambers 637 are symmetrically distributed in the fixing base 632 with the first mounting hole 633 as a center, and the second transmission chambers 637 are located at ends of the first transmission chambers 634 far away from the first mounting hole 633;
two first bevel gears 638 engaged, the two first bevel gears 638 being installed in the second transfer chamber 637;
a third transmission chamber 639, the third transmission chamber 639 being located in the fixed seat 632;
a first pulley 641, two of the first pulleys 641 are installed in the third driving chamber 639 through the first driving belt 630;
a first rotating shaft 642, one end of the first rotating shaft 642 being connected to the first pulley 641, and the other end of the first rotating shaft 642 being connected to one of the first bevel gears 638;
two fourth transmission chambers 643, wherein the four fourth transmission chambers 643 are symmetrically distributed in the fixed base 632 with the first mounting hole 633 as a center, the fourth transmission chambers 643 are located above the first transmission chamber 634, and the fourth transmission chambers 643 are communicated with the first transmission chamber 634;
a first turning block 644, wherein the first turning block 644 is arranged in a sector gear shape, the first turning block 644 is installed in the fourth transmission chamber 643 through a second rotating shaft 645, and the first turning block 644 dials the first locking plate 635 to slide in the first transmission chamber 634;
the fifth transmission chamber 646 and the sixth transmission chamber 647 are positioned in the fixed seat 632, and the first rotating shaft 642 and the second rotating shaft 645 parallelly penetrate through the fifth transmission chamber 646 and the sixth transmission chamber 647;
two first pinions 648 in mesh, the two first pinions 648 being located in the fifth transmission chamber 646, the two first pinions 648 being mounted on one of the first shafts 642 and one of the second shafts 645, respectively;
a second pulley 649, two of the second pulleys 649 are located in the sixth transmission chamber 647, the two second pulleys 649 are respectively mounted on the other of the first rotating shafts 642 and the other of the second rotating shafts 645, and the two second pulleys 649 are connected by a second transmission belt 640;
the lifting groove 675 is arranged at the top end of the fixed seat 632;
a lifting gear 651, wherein the lifting gear 651 is located in the lifting groove 675;
one end of the third rotating shaft 652 is connected with the lifting gear 651, and the other end of the third rotating shaft 652 is arranged in one of the second transmission chambers 637 in a penetrating manner and is connected with one of the first bevel gears 638;
the lifting rack 653 is positioned in the lifting groove 675, and the lifting gear 651 is meshed with the lifting rack 653;
the lifting seat 654 is positioned above the fixed seat 632, and the lifting seat 654 is connected with the lifting rack 653;
the second mounting hole 655 is formed in the center end of the lifting seat 654;
two seventh transmission chambers 656, which are symmetrically distributed in the lifting seat 654 with the second mounting hole 655 as the center, are communicated with the second mounting hole 655;
a second locking plate 657, said second locking plate 657 being mounted in the seventh transmission chamber 656 by a second spring 658;
an eighth transmission chamber 659, said eighth transmission chamber 659 being located within the lift pedestal 654;
two second bevel gears 650 in mesh, said two second bevel gears 650 being mounted within the eighth transfer chamber 659;
a ninth transmission chamber 661, wherein the ninth transmission chamber 661 is located within the lifting seat 654;
one end of the fourth rotating shaft 664 is connected with one of the third belt pulleys 662, and the other end of the fourth rotating shaft 664 penetrates through the eighth transmission chamber 659 and is connected with one of the second bevel gears 650;
a tenth transmission chamber 665, two of the tenth transmission chambers 665 are symmetrically distributed in the lifting base 654 with the second mounting hole 655 as a center, the tenth transmission chamber 665 is located above the seventh transmission chamber 656, and the tenth transmission chamber 665 is communicated with the seventh transmission chamber 656;
a second turning block 666, wherein the second turning block 666 is arranged in a sector gear shape, the second turning block 666 is installed in the tenth transmission chamber 665 through a fifth rotating shaft 667, the second turning block 666 turns the second locking plate 657 to slide in the seventh transmission chamber 656, one fifth rotating shaft 667 penetrates through the ninth transmission chamber 661 and is connected with the other third belt wheel 662;
the eleventh transmission chamber 668, the eleventh transmission chamber 668 is located in the lifting seat 654, wherein the eleventh transmission chamber 668 is penetrated by the fifth rotating shaft 667 and the fourth rotating shaft 664 in parallel;
two second gears 669 in mesh, said two second gears 669 being located in the eleventh transfer chamber 668, said two second gears 669 being mounted on the other of the fifth shafts 667 and the fourth shaft 664, respectively;
the lifting motor 660 is installed at the bottom end of the fixed seat 632;
one end of the spline shaft 671 is connected with the output end of the lifting motor 660, the other end of the spline shaft 671 penetrates through the second transmission chamber 637 and the eighth transmission chamber 659, the first bevel gear 638 is fixedly connected to the spline shaft 671, and the second bevel gear 650 is connected to the spline shaft 671 through a spline housing 672;
the first pipe body 676 is arranged by penetrating through a first mounting hole 633 and a second mounting hole 655;
a semi-finished powder inlet 673, wherein the semi-finished powder inlet 673 is arranged at the top end of the first pipe body 676, and the semi-finished powder inlet 673 is arranged close to the blanking port 154;
one end of the connecting hose 674 is connected with the first pipe body 676 far away from the semi-finished powder feeding port 673, and the other end of the connecting hose 674 penetrates out of the position, close to the bottom end, of the side end of the shell 11 and is connected with the secondary grinding closed circuit 4.
The working principle and the beneficial effects of the technical scheme are as follows:
the medium coarse powder feed port 673 collects medium coarse powder discharged from the discharge port 154, the medium coarse powder is discharged into the secondary grinding closed circuit through the first pipe 676 and the connecting hose 674, at this time, the lifting motor 660 operates to drive the spline shaft 671 connected to the output end thereof to rotate, and further drive the two first bevel gears 638 arranged in the second transmission chamber 637 to rotate, and further drive the first rotating shaft 642 connected with one of the first bevel gears 638 to rotate, the two first rotating shafts 642 to synchronously rotate through the first belt pulley 641 arranged in the third transmission chamber 639 and connected through the first transmission belt 630, the two second rotating shafts 645 rotate in different directions under the transmission of the two second belt pulleys 649 arranged in the sixth transmission chamber 647 and connected through the second transmission belt 640, and under the transmission of the two meshed first flat gears 648 arranged in the fifth transmission chamber 646, and further drive the two first turning blocks 644 to move in a direction close to the first pipe 676, the first spring 636 contracts, the first locking plate 635 is accommodated in the first transmission chamber 634, the fixed seat 632 releases the clamping of the first tube 676, and simultaneously, the fourth rotating shaft 664 connected with the spline shaft 671 through the two engaged second bevel gears 650 rotates, the fourth rotating shaft 664 drives one of the fifth rotating shafts 667 through the two third pulleys 662 in the ninth transmission chamber 661 connected through the third transmission belt 663 and drives the other of the fifth rotating shafts 667 through the two engaged second bevel gears 669 in the eleventh transmission chamber 668, the two fifth rotating shafts 667 are reversely rotated, and further the second turning block 666 connected with the fifth rotating shaft 667 is driven to turn in the tenth transmission chamber 665 in a direction away from the first tube 676, the second spring 658 is pulled up, the second locking plate 657 in the seventh transmission chamber 656 is extended, so that the first tube 676 is clamped, when the first locking plate 635 releases the clamping of the first tube 676, when the second locking plate 657 locks the first pipeline 676, synchronously, the lifting gear 651 connected with the two first bevel gears 638 via the third rotating shaft 652 rotates in the lifting groove 675, so as to drive the lifting rack 653 to ascend, thereby driving the lifting seat 654 connected with the lifting rack 653 to ascend, and the lifting seat 654 pulls the first pipeline 676 to ascend and descend, thereby shaking the connecting hose 674, and shaking the coarse powder in the connecting hose 674 into the secondary grinding closed circuit 4 completely.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. A semi-finish grinding process is characterized by comprising the following steps: a primary powder selecting unit (1) with a primary grinding closed circuit (3), a cement mill unit (4), a secondary powder selecting unit (2), a finished product discharging unit (5) and a feeding unit;
the primary powder selecting unit (1) comprises a feeding end (12), a final powder discharging end, a semi-final powder discharging end and a coarse powder discharging end, the feeding unit is connected with the feeding end (12), the finished product discharging unit (5) collects final powder discharged from the final powder discharging end, the cement grinding unit (4) collects semi-final powder discharged from the semi-final powder discharging end, the primary grinding closed circuit (3) collects final powder discharged from the coarse powder discharging end and sends the final powder back to the feeding end (12), the finished product discharging unit (5) collects final powder discharged from the cement grinding unit (4) and qualified in particle size, the secondary powder selecting unit (2) is used for collecting semi-final powder discharged from the cement grinding unit (4) and sending the semi-final powder back to the cement grinding unit (4), and the finished product discharging unit (5) sends the final powder discharged from the secondary powder selecting unit (2) and qualified in particle size.
2. A semi-final grinding process according to claim 1, characterized in that said primary selection unit (1) comprises:
the coarse powder grinding device comprises a shell (11), wherein the shell (11) is arranged vertically, the bottom end of the shell (11) is arranged in a closed inverted cone shape, a coarse powder discharging end is positioned at the bottom end of the shell (11), a feeding end (12) is arranged at the top end of the shell (11), and the primary grinding closed circuit (3) is far away from the coarse powder discharging end and is connected with the feeding end (12);
the central shaft rod (13), the central shaft rod (13) is vertically positioned at the central end of the shell (11), and the top end of the central shaft rod (13) is exposed out of the top end of the shell (11);
the spreading disc (14), the spreading disc (14) is installed at the bottom end of the central shaft lever (13);
the sleeve (15) is sleeved on the central shaft lever (13), the top end of the sleeve (15) is exposed out of the top end of the shell (11), and the top end of the central shaft lever (13) is exposed out of the sleeve (15);
a commutator rotor (16), the commutator rotor (16) being mounted on the sleeve (15);
the feeding channel (17) is arranged in the shell (11), the feeding channel (17) is arranged in a closed manner from top to bottom, the feeding end of the feeding channel (17) is connected with the feeding end (12), the discharging end of the feeding channel (17) is communicated with the rectifying rotor (16), and the central shaft lever (13) and the sleeve (15) are arranged in a manner of penetrating through the central end of the feeding channel (17);
the guide vanes (18), the guide vanes (18) are positioned in the shell (11), and the guide vanes (18) are circumferentially distributed around the rectifying rotor (16);
the blade fixing frame (19) is of a bucket-shaped structure, the guide blades (18) are connected to the inlet end of the blade fixing frame (19), the outlet end of the blade fixing frame (19) is connected to the central position of the spreading disc (14), and the central shaft rod (13) is arranged close to the end of the spreading disc (14) and penetrates through the outlet end of the blade fixing frame (19);
the partition plates (10) are circumferentially distributed around the blade fixing frame (19), the partition plates (10) are obliquely arranged, and the low-position ends of the partition plates (10) are connected with the inner wall of the shell (11);
the material distribution cone (61), the material distribution cone (61) is positioned in the blade fixing frame (19), the feeding end of the material distribution cone (61) is positioned below the rectifying rotor (16), the end, close to the material scattering disc (14), of the central shaft rod (13) penetrates through the outlet end of the material distribution cone (61), and a semi-finished powder collecting channel is formed between the outer wall of the material distribution cone (61) and the inner wall of the blade fixing frame (19);
the blanking pipes (62) are circumferentially distributed at the positions, close to the outlet ends, of the peripheries of the distributing cones (61), and the ends, far away from the distributing cones (61), of the blanking pipes (62) are communicated with the blade fixing frames (19);
one end of the semi-finished powder collecting pipe (63) is positioned below the spreading disc (14), the other end of the semi-finished powder collecting pipe (63) is bent and extends from the position, close to the bottom end, of the side end of the shell (11) and is connected with the secondary grinding closed circuit (4), and the other end of the semi-finished powder collecting pipe (63) is a semi-finished powder discharging end;
the four cyclones (65) are circumferentially distributed around the shell (11), the bottom end of each cyclone (65) is a finished powder discharging end, the bottom end of each cyclone (65) is connected with the finished product discharging unit (5), and the positions, close to the top ends, of the side ends of the cyclones (65) are connected with finished powder outlets which are arranged around the shell (11) and close to the top ends;
one end of the final powder discharging pipe is connected with the position, close to the top, of the side end of the shell (11), and the other end of the final powder discharging pipe is connected with the position, close to the top, of the side end of the cyclone cylinder (65);
the air outlet end of the air feeder (66) is connected into the shell (11) from the side end of the shell (11) and is positioned below the material scattering disc (14), and the air inlet end of the air feeder (66) is connected with the top end of each cyclone (65) through a pipeline;
the driving motor set (67), the driving motor set (67) comprises two motors, wherein one motor is connected with the central shaft rod (13), and the other motor is connected with the sleeve (15).
3. A semi-final grinding process according to claim 1, characterized in that the primary grinding closed circuit (3) consists of a grinder, a roller press connected in sequence by a pipeline, the grinder being arranged close to the coarse powder outlet (64).
4. The semi-final grinding process according to claim 1, wherein the secondary powder selecting unit (2) is a vortex powder selecting machine, a coarse powder discharging end of the secondary powder selecting unit (2) is connected with a feeding end of a secondary grinding closed circuit (4), and a final powder discharging end of the secondary powder selecting unit (2) is connected with a finished product discharging unit (5).
5. A semi-final grinding process according to claim 1, characterized in that the product discharge unit (5) is a product discharge collection pipe.
6. The semi-finish grinding process according to claim 2, further comprising:
the feed end of the bag type dust collector is connected with the air outlet end of the air feeder (66) through a pipeline by-pass and used for collecting the final powder with qualified particle size discharged by the cement grinding unit (4) through a pipeline, and the discharge end of the bag type dust collector is connected with the finished product discharge unit (5) through a pipeline.
7. A semi-final grinding process according to claim 2, wherein the spreading disc (14) comprises:
the mounting seat (141), the mounting seat (141) is mounted at the bottom end of the central shaft rod (13);
the material scattering blades (142) are circumferentially distributed at the side end of the mounting seat (141), and the discharge end of the blanking pipe (62) is close to the material scattering blades (142);
the feeding chamber (143) is circumferentially distributed in the mounting seat (141) near the bottom end by taking the central shaft rod (13) as a center;
the semi-finished powder channel (144), a central shaft rod (13) of the semi-finished powder channel (144) is circumferentially distributed in the mounting seat (141) in the center and is close to the top end, the semi-finished powder channel (144) is communicated in the feeding chamber (143), the feeding end of the semi-finished powder channel (144) is close to the semi-finished powder collecting channel, and the discharging end of the semi-finished powder channel (144) is obliquely arranged close to the central shaft rod (13);
the central shaft rods (13) of the transmission grooves (145) are circumferentially distributed at the top end of the mounting seat (141) as centers;
the upper transmission rack (146) is connected in the transmission groove (145) in a sliding mode through a return spring;
the transmission gear mounting chamber (147) is arranged in the mounting seat (141), and the transmission gear mounting chamber (147) is communicated with the bottom end of the transmission groove (145);
the transmission gear (148) is installed in the transmission gear installation chamber (147) through a rotating shaft, and the transmission gear (148) is meshed with the upper transmission rack (146);
the lower transmission rack mounting chamber (149) is arranged in the mounting seat (141), the lower transmission rack mounting chamber (149) is positioned below the transmission gear mounting chamber (147), the lower transmission rack mounting chamber (149) is communicated with the transmission gear mounting chamber (147) and is arranged, and the end, far away from the central shaft rod (13), of the lower transmission rack mounting chamber (149) is communicated with the semi-finished powder channel (144);
a lower drive rack (140), the lower drive rack (140) being mounted within a lower drive rack mounting chamber (149), the lower drive rack (140) being engaged with the drive teeth (148);
the baffle plate (151), the said baffle plate (151) links to the end far away from central shaft lever (13) of the lower transmission rack (140);
the fixed claw (152) is connected to the end, close to the central shaft rod (13), of the lower transmission rack (140);
the centrifugal block (153) is mounted at the top end of the upper transmission rack (146);
the blanking port (154), it is a plurality of blanking port (154) use center pin pole (13) to distribute in mount pad (141) bottom as center circumference, blanking port (154) intercommunication is in feed space (143).
8. A semi-final grinding process according to claim 3, wherein the semi-final dust collecting pipe (63) comprises:
the collecting pipe fixing frame (631) is arranged in the shell (11) and close to the bottom end;
the fixed seat (632) is fixedly connected to the collecting pipe fixed frame (631);
the first mounting hole (633) is formed in the central end of the fixed seat (632);
the two first transmission chambers (634) are symmetrically distributed in the fixed seat (632) by taking the first mounting hole (633) as a center, and the first transmission chambers (634) are communicated with the first mounting hole (633);
a first lock plate (635), the first lock plate (635) mounted within the first drive chamber (634) by a first spring (636);
the two second transmission chambers (637) are symmetrically distributed in the fixed seat (632) by taking the first mounting hole (633) as a center, and the second transmission chambers (637) are positioned at the ends, far away from the first mounting hole (633), of the first transmission chambers (634);
two first bevel gears (638) in mesh, the two first bevel gears (638) mounted in a second drive chamber (637);
a third transmission chamber (639), the third transmission chamber (639) being located within the fixed seat (632);
first pulleys (641), two of which (641) are installed in a third transmission chamber (639) by a first belt (630);
one end of the first rotating shaft (642) is connected with the first belt pulley (641), and the other end of the first rotating shaft (642) is connected with one of the first bevel gears (638);
the two fourth transmission chambers (643) are symmetrically distributed in the fixed seat (632) by taking the first mounting hole (633) as a center, the fourth transmission chambers (643) are positioned above the first transmission chamber (634), and the fourth transmission chambers (643) are communicated with the first transmission chamber (634);
the first turning block (644) is arranged in a sector gear shape, the first turning block (644) is installed in a fourth transmission chamber (643) through a second rotating shaft (645), and the first turning block (644) shifts a first locking plate (635) to slide in the first transmission chamber (634);
the fifth transmission chamber (646) and the sixth transmission chamber (647) are positioned in the fixed seat (632), and the first rotating shaft (642) and the second rotating shaft (645) are parallelly arranged in the fifth transmission chamber (646) and the sixth transmission chamber (647) in a penetrating manner;
two first pinion gears (648) in mesh, the two first pinion gears (648) being located within the fifth transfer chamber (646), the two first pinion gears (648) being mounted on one of the first shafts (642) and one of the second shafts (645) respectively;
a second pulley (649), two of the second pulleys (649) are located in a sixth transmission chamber (647), the two second pulleys (649) are respectively installed on the other first rotating shaft (642) and the other second rotating shaft (645), and the two second pulleys (649) are connected through a second transmission belt (640);
the lifting groove (675) is formed in the top end of the fixed seat (632);
a lifting gear (651), the lifting gear (651) being located within a lifting slot (675);
one end of the third rotating shaft (652) is connected with the lifting gear (651), and the other end of the third rotating shaft (652) penetrates through one of the second transmission chambers (637) and is connected with one of the first bevel gears (638);
the lifting rack (653) is positioned in the lifting groove (675), and the lifting gear (651) is meshed with the lifting rack (653);
the lifting seat (654) is positioned above the fixed seat (632), and the lifting seat (654) is connected with the lifting rack (653);
the second mounting hole (655) is formed in the center end of the lifting seat (654);
the two seventh transmission chambers (656) are symmetrically distributed in the lifting seat (654) by taking the second mounting hole (655) as a center, and the seventh transmission chambers (656) are communicated with the second mounting hole (655);
a second locking plate (657), the second locking plate (657) being mounted in a seventh transmission chamber (656) by a second spring (658);
an eighth transmission chamber (659), the eighth transmission chamber (659) being located within the lifting seat (654);
two second bevel gears (650) in mesh, the two second bevel gears (650) being mounted within an eighth transmission chamber (659);
a ninth transmission chamber (661), the ninth transmission chamber (661) being located within the lifting mount (654);
third pulleys (662), two of which third pulleys (662) are mounted in a ninth transmission chamber (661) via a third belt (663);
one end of the fourth rotating shaft (664) is connected with one of the third belt wheels (662), and the other end of the fourth rotating shaft (664) penetrates through the eighth transmission chamber (659) and is connected with one of the second bevel gears (650);
the two tenth transmission chambers (665) are symmetrically distributed in the lifting seat (654) by taking the second mounting hole (655) as a center, the tenth transmission chamber (665) is positioned above the seventh transmission chamber (656), and the tenth transmission chamber (665) is communicated with the seventh transmission chamber (656);
the second overturning block (666) is arranged in a sector gear shape, the second overturning block (666) is installed in a tenth transmission chamber (665) through a fifth rotating shaft (667), the second overturning block (666) stirs a second locking plate (657) to slide in a seventh transmission chamber (656), and one fifth rotating shaft (667) penetrates through a ninth transmission chamber (661) and is connected with the other third belt wheel (662);
the eleventh transmission chamber (668), the eleventh transmission chamber (668) is positioned in the lifting seat (654), and the other fifth rotating shaft (667) and the fourth rotating shaft (664) are arranged in parallel through the eleventh transmission chamber (668);
two second flat gears (669) which are meshed, wherein the two second flat gears (669) are positioned in an eleventh transmission chamber (668), and the two second flat gears (669) are respectively arranged on the other fifth rotating shaft (667) and the fourth rotating shaft (664);
the lifting motor (660), the lifting motor (660) is installed at the bottom end of the fixed seat (632);
one end of the spline shaft (671) is connected with the output end of the lifting motor (660), the other end of the spline shaft (671) penetrates through the second transmission chamber (637) and the eighth transmission chamber (659), the first bevel gear (638) is fixedly connected to the spline shaft (671), and the second bevel gear (650) is connected to the spline shaft (671) through a spline sleeve (672);
the first pipe body (676), the first pipe body (676) is arranged by penetrating through a first mounting hole (633) and a second mounting hole (655);
a semi-finished powder feeding hole (673), wherein the semi-finished powder feeding hole (673) is arranged at the top end of the first pipe body (676), and the semi-finished powder feeding hole (673) is arranged close to the blanking hole (154);
one end of the connecting hose (674) is connected with the first pipe body (676) far away from the semi-finished powder feeding hole (673), and the other end of the connecting hose (674) penetrates out of the position, close to the bottom end, of the side end of the shell (11) and is connected with the secondary grinding closed circuit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011125120.6A CN112354661A (en) | 2020-10-20 | 2020-10-20 | Semi-final grinding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011125120.6A CN112354661A (en) | 2020-10-20 | 2020-10-20 | Semi-final grinding process |
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| CN112354661A true CN112354661A (en) | 2021-02-12 |
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| CN202011125120.6A Withdrawn CN112354661A (en) | 2020-10-20 | 2020-10-20 | Semi-final grinding process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113941427A (en) * | 2021-10-19 | 2022-01-18 | 江苏吉达机械制造有限公司 | Semi-final grinding equipment for realizing internal circulation |
| CN113976288A (en) * | 2021-11-19 | 2022-01-28 | 江苏吉达粉体工程设计研究院有限公司 | Multistage internal circulation system for realizing semi-finished powder grinding |
| CN115254248A (en) * | 2022-07-28 | 2022-11-01 | 江苏吉达机械制造有限公司 | Grinding process capable of pre-screening final powder |
| CN116251749A (en) * | 2023-05-05 | 2023-06-13 | 金路(唐山)智能装备有限公司 | Feeding and conveying device of powder concentrator |
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