CN113976231B - Cement raw material grinding system of roller press - Google Patents

Cement raw material grinding system of roller press Download PDF

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Publication number
CN113976231B
CN113976231B CN202111375861.4A CN202111375861A CN113976231B CN 113976231 B CN113976231 B CN 113976231B CN 202111375861 A CN202111375861 A CN 202111375861A CN 113976231 B CN113976231 B CN 113976231B
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China
Prior art keywords
powder concentrator
rotating shaft
rotating
fixedly connected
communicated
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CN202111375861.4A
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Chinese (zh)
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CN113976231A (en
Inventor
朱顺明
朱潇敏
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Jiangsu Jida Powder Engineering Design And Research Institute Co ltd
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Jiangsu Jida Powder Engineering Design And Research Institute Co ltd
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Priority to CN202111375861.4A priority Critical patent/CN113976231B/en
Publication of CN113976231A publication Critical patent/CN113976231A/en
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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
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24—Passing gas through crushing or disintegrating zone
    • B02C23/30—Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation
    • 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
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • 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
    • B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • B07B9/02—Combinations of similar or different apparatus for separating solids from solids using gas currents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding

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

Abstract

The invention provides a cement raw material grinding system of a roller press, which comprises a powder concentrator, a ball mill and a roller press, wherein the powder concentrator is respectively connected with the ball mill and the roller press, the powder concentrator comprises a V-shaped powder concentrator, and a feed inlet of the V-shaped powder concentrator is communicated with a discharge outlet of a feeding scattering device. According to the invention, the feeding scattering device is arranged, so that materials can effectively and uniformly enter the V-shaped powder concentrator, the materials are prevented from caking, and the powder concentration efficiency is effectively improved.

Description

Cement raw material grinding system of roller press
Technical Field
The invention relates to the technical field of cement production, in particular to a cement raw meal grinding system of a roller press.
Background
The cement raw meal grinding is an important process for cement production, and the main function of the cement raw meal grinding is to provide powdery raw meal with excellent performance for clinker calcination.
At present, a roller press grinding system generally adopts the following processes in cement raw meal grinding:
1. an open flow grinding system consisting of a roller press, a V-shaped powder concentrator or a dynamic V-shaped powder concentrator and a dust collector;
2. the open flow grinding system consists of a roller press, a V-shaped powder concentrator, a high-efficiency powder concentrator and a dust collector.
The feeding of the existing V-shaped powder selecting machine has the following defects: the crushed material through the extrusion in the roll squeezer forms certain cake because of the influence of pressure and moisture and exists, therefore the material circulates with the cake form that the roll squeezer formed, and the material of cake form flows to too concentratedly after getting into V type selection powder machine inside, and the material can not evenly spread in V type selection powder machine's inside, and partial fines can not be elected, can lead to not having the fines of electing to need to check, causes the problem of selecting powder inefficiency.
Disclosure of Invention
The invention provides a cement raw meal grinding system of a roller press, which is used for solving the problems in the background technology as follows: the material of cake form flows to too concentratedly after getting into V type selection powder machine is inside, and the material can not evenly spread in V type selection powder machine's inside, and partial fines can not be elected, can lead to not having the fines of electing to check, causes the problem of selecting the powder inefficiency.
In order to solve the technical problem, the invention discloses a cement raw material grinding system of a roller press, which comprises a powder concentrator, a ball mill and the roller press, wherein the powder concentrator is respectively connected with the ball mill and the roller press, the powder concentrator comprises a V-shaped powder concentrator, and a feed inlet of the V-shaped powder concentrator is communicated with a discharge outlet of a feed scattering device.
Preferably, a first discharge hole of the V-shaped powder concentrator is communicated with a feed inlet of the roller press, and a second discharge hole of the V-shaped powder concentrator is communicated with the fine powder concentrator; and the feed inlet of the roller press is communicated with the feeding unit, and the discharge outlet of the roller press is communicated with the feed inlet of the V-shaped powder concentrator.
Preferably, the first discharge hole of the fine powder concentrator is communicated with the feed inlet of the ball mill, and the second discharge hole of the fine powder concentrator is communicated with the finished product warehouse; the feed inlet of the ball mill is communicated with the first discharge outlet of the vortex powder concentrator, the second discharge outlet of the vortex powder concentrator is communicated with the finished product warehouse, and the discharge outlet of the ball mill is communicated with the feed inlet of the vortex powder concentrator.
Preferably, the feeding scattering device comprises: the device comprises a device shell, wherein a feeding port is formed in the upper end of the device shell; the device casing left side wall sets up the drive chamber, the setting in the drive chamber: the right end of the first motor is fixedly connected with a first rotating rod, the right end of the first rotating rod is rotatably connected with the inner wall of the right end of the device shell, a first blade is fixed on the first rotating rod, and the first blade is arranged below the feeding port.
Preferably, the feeding scattering device further comprises: the second motor, the second motor is fixed to be set up at pan feeding scattering device central point through the closed block and puts, just second motor upper end fixed connection second dwang, from the bottom up sets gradually second blade and third blade on the second dwang.
Preferably, the feeding scattering device further comprises: the first bevel gear is fixedly arranged on the first rotating rod, the lower end of the first bevel gear is meshed with a second bevel gear, the lower end of the second bevel gear is fixedly connected with a third rotating rod, the lower end of the third rotating rod is fixedly connected with a rotating disc, a fixed block is fixedly arranged at the edge position of the lower surface of the rotating disc, an installation block is arranged in the driving cavity, and the third rotating rod is rotatably connected with the installation block;
the left side of the second connecting rod is fixedly connected to the fixed block, the right side of the second connecting rod is connected with a sieve plate, and the sieve plate is arranged between the first blade and the third blade.
Preferably, the roll squeezer cement raw meal grinding system further includes: the checking device is detachably arranged at a discharge port of the V-shaped powder concentrator and is provided with a first outlet and a second outlet.
Preferably, the first outlet is communicated with a feeding port of the fine powder concentrator; and the second outlet is communicated with a feeding port of the roller press.
Preferably, the check device comprises an outer box body, an opening is formed in the upper end of the outer box body, and the opening is communicated with a discharge hole of the V-shaped powder concentrator;
the double-shaft motor is fixedly connected to the inner wall of the left side of the outer box body through a fixing rod, the upper end of the double-shaft motor is fixedly connected with a first rotating shaft, the upper end of the first rotating shaft is fixedly connected with a third bevel gear, the right end of the third bevel gear is meshed with a fourth bevel gear, the right end of the fourth bevel gear is fixedly connected with a second rotating shaft, and a fourth blade is fixedly arranged on the second rotating shaft at a position corresponding to the opening;
the first belt wheel is fixedly arranged on the second rotating shaft, the lower end of the first belt wheel is connected with the second belt wheel through a belt, the second belt wheel is fixedly connected with a third rotating shaft, and a fifth blade is fixedly arranged on the third rotating shaft and below the fourth blade;
the left side of the extrusion winding drum is fixedly connected with a fourth rotating shaft, the rear side of the fourth rotating shaft is fixedly connected with a third motor, the third motor is fixedly connected with the inner wall or the outer wall of the rear side of the outer box body, the fourth rotating shaft is also fixedly connected with a first gear, the right side of the first gear is meshed and connected with a second gear, the second gear is fixedly sleeved on a fifth rotating shaft, and the fifth rotating shaft is fixedly connected with the right side of the extrusion winding drum;
and the fourth rotating shaft and the fifth rotating shaft are rotatably connected with the inner wall of the outer box body.
Preferably, the check device further includes: the rotary cavity is provided with a first inlet at the right end, a second outlet at the left end, the first inlet and the second outlet are arranged in a left-low-right-high mode, a sixth rotating shaft is further arranged in the rotary cavity, a plurality of rotating blades are fixedly arranged on the sixth rotating shaft, the sixth rotating shaft extends upwards out of the rotary cavity, a third gear is fixedly sleeved on the outer side of the sixth rotating shaft, the front side of the third gear is meshed and connected with a first rack, the first rack slides left and right to penetrate through supporting blocks, and the two supporting blocks are fixedly arranged on the upper surface of the outer side of the rotary cavity;
the rotating cavity is further rotatably connected with a seventh rotating shaft, an incomplete gear is fixedly sleeved on the outer side of the seventh rotating shaft, a first rack is arranged on the front side of the incomplete gear, and a double-shaft motor is fixedly connected at the upper end of the seventh rotating shaft;
the L-shaped movable rod is characterized in that a first rack is fixedly connected with the left end of the horizontal section of the L-shaped movable rod, the lower end of the vertical section of the L-shaped movable rod is hinged to the right end of the filter screen through a first connecting rod, the filter screen is arranged in a high-right mode and a low-left mode, the left end of the filter screen is arranged in an inlet of the right end of the rotating cavity in a sliding mode, a bearing plate is arranged at the lower end of the filter screen, the left end of the bearing plate is fixedly connected to the rotating cavity, and the right end of the bearing plate is in contact with the lower end of a first outlet.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a block diagram showing the structure of the present invention.
FIG. 2 is a schematic view of the external appearance of the feeding scattering device of the present invention.
FIG. 3 is a schematic structural diagram of the feeding scattering device of the present invention.
Fig. 4 is an enlarged view of the drive chamber of fig. 3 of the present invention at (location a).
FIG. 5 is a B-B plan view of FIG. 3 of the present invention.
FIG. 6 is a schematic structural diagram of a checking device according to the present invention.
Fig. 7 is an enlarged top view at C of fig. 6 of the present invention.
Fig. 8 is an enlarged top view at D of fig. 6 of the present invention.
Fig. 9 is an enlarged top view at E of fig. 6 of the present invention.
In the figure: 1. selecting a powder machine; 2. a finished product warehouse; 3. a ball mill; 4. a roll squeezer; 5 feeding and scattering device; 6. a feeding port; 7. a discharge port; 8. a first motor; 9. a first blade; 10. a first rotating lever; 11. a sieve plate; 12. a third blade; 13. a second blade; 14. a second motor; 15. a second rotating rod; 16. a first bevel gear; 17. a second bevel gear; 18. a turntable; 19. a fixed block; 20. A third rotating rod; 21. a second link; 22. a device housing; 23. a check device; 24. a rotation chamber; 25. a first rack; 26. a supporting block; 27. a third gear; 28. an incomplete gear; 29. a seventh rotating shaft; 30. fixing the rod; 31. a dual-axis motor; 32. a first rotating shaft; 33. a third bevel gear; 34. a fourth bevel gear; 35. a first pulley; 36. a second pulley; 37. an opening; 38. a fourth blade; 39. a fifth blade; 40. a third rotating shaft; 41. an L-shaped travel bar; 42. a squeeze roller; 43. a filter screen; 44. a bearing plate; 45. a first outlet; 46. a second outlet; 47. a rotor blade; 48. a first link; 49. a third motor; 50. a fourth rotating shaft; 51. a first gear; 52. A second gear; 53. an outer case; 54. a second rotating shaft; 55. a fifth rotating shaft; 56. a sixth rotating shaft; 57. a sealing block; 58. a feeding unit; 59. mounting blocks; 60. an L-shaped movable rod horizontal section; 61. the L-shaped movable rod is vertical.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Example 1:
the embodiment of the invention provides a cement raw meal grinding system of a roller press, which comprises a powder concentrator 1, a ball mill 3 and a roller press 4, wherein the powder concentrator 1 is respectively connected with the ball mill 3 and the roller press 4, the powder concentrator 1 comprises a V-shaped powder concentrator 101, and a feed inlet of the V-shaped powder concentrator 101 is communicated with a discharge outlet 7 of a feed scattering device 5, as shown in figures 1-2.
Preferably, a first discharge hole of the V-shaped powder concentrator 101 is communicated with a feed hole of the roller press 4, and a second discharge hole of the V-shaped powder concentrator 101 is communicated with the fine powder concentrator 102; and the feed inlet of the roller press 4 is communicated with the feeding unit 58, and the discharge outlet of the roller press 4 is communicated with the feed inlet of the V-shaped powder concentrator 101.
Preferably, a first discharge hole of the fine powder concentrator 102 is communicated with a feed hole of the ball mill 3, and a second discharge hole of the fine powder concentrator 102 is communicated with the finished product warehouse 2; the feed inlet of the ball mill 3 is communicated with the first discharge outlet of the vortex powder concentrator 103, the second discharge outlet of the vortex powder concentrator 103 is communicated with the finished product warehouse 2, and the discharge outlet of the ball mill 3 is communicated with the feed inlet of the vortex powder concentrator 103.
The working principle of the technical scheme is as follows: the raw materials enter a roller press 4, are crushed and ground, are scattered through a feeding scattering device 5, enter a V-shaped powder concentrator 101, are separated through the V-shaped powder concentrator 101, large-particle materials are discharged and then enter the roller press 4 again, material-carrying gas enters a fine powder concentrator 102, coarse materials separated through the fine powder concentrator 102 enter a ball mill 3, finished products enter a finished product warehouse 2, the coarse materials separated through the fine powder concentrator 102 enter a vortex powder concentrator 103 after being crushed and ground through the ball mill 3, the coarse materials are separated through the vortex powder concentrator 103, the coarse materials enter the ball mill 3, and the finished products enter the finished product warehouse 2 (cement warehouse).
The beneficial effects of the above technical scheme are: the back is broken up through the pan feeding that sets up to the material of 4 exhaust materials of roller press, discharges into V type selection powder machine 101's feed inlet again, has avoided the material of 4 exhaust cake forms of roller press to flow into too intensively after getting into V type selection powder machine is inside, and the material can not evenly spread in V type selection powder machine's inside, and partial fines can not be elected, can lead to the fines that do not elect to need to check, causes the problem of selecting the powder inefficiency.
Example 2
On the basis of the above embodiment 1, as shown in fig. 2 to 5, the feed scattering device 5 includes: the device comprises a device shell 22, wherein a feeding port 6 is arranged at the upper end of the device shell 22; the left side wall sets up the drive chamber in device casing 22, the setting in the drive chamber: the right end of the first motor 8 is fixedly connected with a first rotating rod 10, the right end of the first rotating rod 10 is rotatably connected with the inner wall of the right end of the device shell 22, a first blade 9 is fixed on the first rotating rod 10, and the first blade 9 is arranged below the feeding port 6.
The working principle of the technical scheme is as follows: the raw material enters the device shell 22 of the feeding and scattering device 5 from the feeding port 6, the first motor 8 is started, the first motor 8 drives the first rotating rod 10 to start rotating, the first blade 9 is driven to rotate, and the raw material entering the device shell 22 is scattered.
The beneficial effects of the above technical scheme are: through setting up first blade, can effectually break up the material that gets into, improve the practicality of device.
Example 3
On the basis of the above embodiment 2, as shown in fig. 2 to 5, the feeding scattering device 5 further includes: the second motor 14, the second motor 14 is fixed to be set up at 5 central points of pan feeding breaking up device through closing the piece 57 and puts, just second motor upper end fixed connection second dwang 15, from the bottom up sets gradually second blade 13 and third blade 12 on the second dwang 15.
The working principle of the technical scheme is as follows: the second motor 14 drives the third blade 12 and the second blade 13 to rotate, the third blade 12 and the second blade 13 rotate to break up materials, and then the materials are discharged from the discharge hole 7 and enter the V-shaped powder concentrator 101.
The beneficial effects of the above technical scheme are: through setting up third blade and second blade, can effectually break up the material once more, improve the practicality of device.
Example 4
On the basis of the above embodiments 2 and 3, as shown in fig. 2 to 5, the feed scattering device 5 further includes: the first bevel gear 16 is fixedly arranged on the first rotating rod 10, the lower end of the first bevel gear 16 is meshed with the second bevel gear 17, the lower end of the second bevel gear 17 is fixedly connected with the third rotating rod 20, the lower end of the third rotating rod 20 is fixedly connected with the rotating disk 18, the edge of the lower surface of the rotating disk 18 is fixedly provided with a fixed block 19, an installation block 59 is arranged in the driving cavity, and the third rotating rod 20 is rotatably connected with the installation block 59;
the left side of the second connecting rod 21 is fixedly connected to the fixed block 19, the right side of the second connecting rod 21 is connected with a sieve plate 11, and the sieve plate 11 is arranged between the first blade 9 and the third blade 12.
Optionally, a supporting block is arranged on the inner wall of the right side of the device shell 22, an arc-shaped sliding rail is arranged on the supporting block, and a sliding block is arranged at the upper end of the sieve plate 11 and is connected to the arc-shaped sliding rail in a sliding manner.
The working principle of the technical scheme is as follows: the first motor 8 drives the first rotating rod 10 to rotate, drives the first bevel gear 16 to rotate, drives the second bevel gear 17 meshed with the first bevel gear 16 to rotate, drives the third rotating rod 20 and the rotating disc 18 to rotate, drives the fixed block 19 to rotate, drives the second connecting rod 21 to rotate, drives the sieve plate 11 to do left-right reciprocating motion, enables materials to pass through the sieve plate 11, and enables the sieve plate 11 to do left-right reciprocating motion to accelerate screening.
The beneficial effects of the above technical scheme are: through setting up the sieve, can effectively sieve the material, make the more even entering of material get into V type selection powder machine 101 in, improve the functional of device more.
Example 5
On the basis of the above embodiment 1, as shown in fig. 5 and 7, the roll press cement raw meal grinding system further includes: the checking device 23 is detachably arranged at the discharge port of the V-shaped powder concentrator 101, and the checking device 23 is provided with a first outlet 45 and a second outlet 46.
Preferably, the first outlet 45 is communicated with a feeding port of the fine powder concentrator 102; the second outlet 46 opens into the feed opening of the roller press 4.
Optionally, the first outlet 45 is communicated with a feeding port of the fine powder concentrator 102 through a lifting mechanism, and the lifting mechanism (material conveying device) is an existing lifting type material conveying device, and may be a conveying belt, or a pipeline connected to a fan, or CN201720686910, etc.
Preferably, the checking device 23 comprises an outer box 53, an opening 37 is arranged at the upper end of the outer box 53, and the opening 37 is communicated with a discharge hole of the V-shaped powder concentrator 101;
the double-shaft motor 31 is fixedly connected to the inner wall of the left side of the outer box body 53 through a fixing rod 30, the upper end of the double-shaft motor 31 is fixedly connected with a first rotating shaft 32, the upper end of the first rotating shaft 32 is fixedly connected with a third bevel gear 33, the right end of the third bevel gear 33 is meshed and connected with a fourth bevel gear 34, the right end of the fourth bevel gear 34 is fixedly connected with a second rotating shaft 54, and a position, corresponding to the opening 37, of the second rotating shaft 54 is fixedly provided with a fourth blade 38;
the first belt pulley 35 is fixedly arranged on the second rotating shaft 54, the lower end of the first belt pulley 35 is connected with the second belt pulley 36 through a belt, the second belt pulley 36 is fixedly connected with the third rotating shaft 40, and the fifth blade 39 is fixedly arranged on the third rotating shaft 40 and below the fourth blade 38;
the left side of the extrusion winding drum 42 is fixedly connected with a fourth rotating shaft 50, the rear side of the fourth rotating shaft 50 is fixedly connected with a third motor 49, the third motor 49 is fixedly connected with the inner wall or the outer wall of the rear side of an outer box 53, the fourth rotating shaft 50 is also fixedly connected with a first gear 51, the right side of the first gear 51 is meshed with a second gear 52, the second gear 52 is fixedly sleeved on a fifth rotating shaft 55, and the fifth rotating shaft 55 is fixedly connected with the right side of the extrusion winding drum 42;
the fourth rotating shaft 50 and the fifth rotating shaft 55 are both rotatably connected with the inner wall of the outer box 53.
The working principle of the technical scheme is as follows: the check device 23 is arranged at the discharge port of the V-shaped powder concentrator 101, materials enter the outer box body 53 of the check device 23 from the opening 37, the double-shaft motor 31 is started, the first rotating shaft 32 starts to rotate, the third bevel gear 33 and the fourth bevel gear 34 are driven to rotate, the fourth bevel gear 34 drives the second rotating shaft 54 to rotate, the fourth blade 38 starts to rotate, and the materials are scattered; the first belt wheel 35 on the second rotating shaft 54 drives the third rotating shaft 40 on the second belt wheel 36 to rotate, and drives the fifth blade 39 to rotate, so that the materials are scattered again; then the material falls down, the third motor 49 is started to drive the fourth rotating shaft 50 and the first gear 51 to rotate, the second gear 52 meshed with the first gear 51 rotates to drive the fifth rotating shaft 55 to rotate, and the two extrusion rollers 42 are driven to rotate to extrude and crush the material.
The beneficial effects of the above technical scheme are: the two groups of blades are arranged at the opening, so that materials are scattered from different positions, and the materials can be effectively scattered; meanwhile, the extrusion roller is arranged, so that a plurality of larger particles can be extruded, and the number of the large particles is effectively reduced; the practicability and the functionality of the device are improved.
Example 6
On the basis of the above embodiment 5, as shown in fig. 5 to 7, the check device 23 further includes: a rotating cavity 24, a first inlet is arranged at the right end of the rotating cavity 24, a second outlet 46 is arranged at the left end of the rotating cavity 24, the first inlet and the second outlet 46 are both arranged in a left-low-right-high type, a sixth rotating shaft 56 is further arranged in the rotating cavity 24, a plurality of rotating blades 47 are fixedly arranged on the sixth rotating shaft 56, the sixth rotating shaft 56 extends upwards out of the rotating cavity 24, a third gear 27 is fixedly sleeved on the outer side of the sixth rotating shaft 56, the front side of the third gear 27 is engaged and connected with a first rack 25, the first rack 25 penetrates through supporting blocks 26 in a left-right sliding mode, and the two supporting blocks 26 are fixedly arranged on the upper surface of the outer side of the rotating cavity 24;
a seventh rotating shaft 29 is further rotatably connected to the rotating cavity 24, an incomplete gear 28 is fixedly sleeved on the outer side of the seventh rotating shaft 29, a first rack 25 is arranged on the front side of the incomplete gear 28, and a double-shaft motor 31 is fixedly connected to the upper end of the seventh rotating shaft;
l type carriage release lever 41, the first rack 25 of horizontal segment 60 left end fixed connection of L type carriage release lever 41, the vertical section 61 lower extreme of L type carriage release lever 41 articulates at filter screen 43 right-hand member through first connecting rod 48, filter screen 43 is the setting of high left side in the right side, filter screen 43 left end slides and sets up and rotates chamber 24 right-hand member import department, filter screen 43 lower extreme is equipped with accepts board 44, accept board 44 left end fixed connection is on rotating chamber 24, accept board 44 right-hand member and the contact of first export 45 lower extreme.
The working principle of the technical scheme is as follows: the double-shaft motor 31 drives the seventh rotating shaft 29 to rotate, the seventh rotating shaft 29 rotates through the incomplete gear 28, when the incomplete gear 28 is meshed with the first rack 25, the first rack 25 is driven to move leftwards, the first rack 25 drives the third gear 27 to rotate clockwise, and the rotating blade 47 is driven to rotate clockwise, when the incomplete gear 28 is not meshed with the first rack 25, the incomplete gear 28 is meshed with the third gear 27, the incomplete gear 28 drives the third gear 27 to rotate anticlockwise, the rotating blade 47 is driven to rotate anticlockwise, and the first rack 25 moves rightwards; the left and right movement of the first rack 25 drives the L-shaped moving rod 41 to move left and right, the L-shaped moving rod 41 drives the filter screen 43 to move back and forth through the first connecting rod 48, so that large particles of raw materials slide up and down to the rotating cavity 24 from the filter screen 43, small particles fall on the receiving plate 44 and flow out from the first outlet 45, and large particles entering the rotating cavity 24 rotate clockwise and counterclockwise through the rotating blades 47 and then flow out from the second outlet 46.
The beneficial effects of the above technical scheme are: through setting up the filter screen, can effectually part large granule raw materials and tiny particle raw materials, the effectual selection powder efficiency that improves V type selection powder machine, the effectual tiny particle of avoiding falls into the roll-in machine once more, carries out the secondary roll-in, sets up rotor blade simultaneously to and rotor blade's corotation and reversal, can be appropriate smash the large granule raw materials, the effectual device practicality and the functional that have improved.
Example 7
On the basis of the above embodiment 1, the roll press cement raw meal grinding system further includes:
a timer: the V-shaped powder concentrator 101 is arranged on the shell of the V-shaped powder concentrator 101 and used for timing the working time of the V-shaped powder concentrator 101;
the first mass flow meter, the second mass flow meter and the third mass flow meter: the first mass flow meter is arranged at the feeding port of the V-shaped powder concentrator 101, the second mass flow meter is arranged at the first discharging port of the V-shaped powder concentrator 101, the third mass flow meter is arranged at the second discharging port of the V-shaped powder concentrator 101, and the first mass flow meter, the second mass flow meter and the third mass flow meter are respectively used for detecting the mass of materials passing through the V-shaped powder concentrator within unit time;
a first flow rate detector, a second flow rate detector, a third flow rate detector: the first flow rate detector is installed at a feeding hole of the V-shaped powder concentrator 101, the second flow rate detector is installed at a first discharging hole of the V-shaped powder concentrator 101, the third flow rate detector is installed at a second discharging hole of the V-shaped powder concentrator 101, and the first flow rate detector, the second flow rate detector and the third flow rate detector are respectively used for detecting the real-time speed of the material at the position;
controller, alarm are installed respectively in V type selection powder machine 101, the controller with first mass flow meter, second mass flow meter, third mass flow meter, first flow velocity detector, second flow velocity detector, third flow velocity detector, timer and alarm electricity are connected, the controller is based on first mass flow meter, second mass flow meter, third mass flow meter, first flow velocity detector, second flow velocity detector, third flow velocity detector, timer control the alarm work includes:
step 1: adding a certain mass of material through a feed inlet of the V-shaped powder concentrator 101 in a first time period, continuously discharging all the first discharge port and the second discharge port of the V-shaped powder concentrator 101 after the first time period is finished, and calculating the separation coefficient of the V-shaped powder concentrator based on the first mass flow meter, the second mass flow meter, the third mass flow meter, the first flow rate detector, the second flow rate detector, the third flow rate detector and the formula (1):
Figure GDA0003883628680000141
wherein K is the separation coefficient of the V-shaped powder concentrator; v 1 Is an average value of the detection values (specifically, the detection values larger than 0) of the first flow rate detector in the first time period; d is the theoretical diameter of the discharged powder at the second discharge port of the preset V-shaped powder concentrator 101; rho 1 The material gas ratio is preset for the V-shaped powder concentrator; rho 2 Is the air density; m 3 The average value of the detection values of the third mass flowmeter is greater than 0 in the first time period and the second time period; v 2 The average value of the detection values of the second flow rate detector which is greater than 0 in the first time period and the second time period; v 3 The average value of the detection values of the third flow rate detector which is greater than 0 in the first time period and the second time period; m 1 Is the average value of the detected values of the first mass flowmeter (specifically, the detected value greater than 0) in the first time period; h is the average value of the distance from the feeding port of the V-shaped powder concentrator to the second discharging port and the distance from the feeding port of the V-shaped powder concentrator to the first discharging port; delta 0 The theoretical mechanical efficiency of the V-shaped powder concentrator is shown; m 2 The average value of the detection values of the second mass flowmeter is larger than 0 in the first time period and the second time period(ii) a T is unit time length; t is 2 A second duration;
and 2, calculating the actual separation efficiency of the V-shaped powder concentrator based on the formula (2) and the separation coefficient of the V-shaped powder concentrator:
Figure GDA0003883628680000142
wherein N is the actual separation efficiency of the V-shaped powder concentrator; k is the separation coefficient of the V-shaped powder concentrator; e is a natural constant; ln is a natural logarithm.
And step 3: and (3) comparing the actual separation efficiency of the V-shaped powder concentrator calculated by the formula (2) with the preset separation efficiency, and when the actual separation efficiency calculated by the formula (2) is smaller than the preset separation efficiency, controlling an alarm to give an alarm by the controller.
Type Chinese test
Figure GDA0003883628680000151
For representing a base; an average value of the detected values of the first mass flowmeter (specifically, the detected value greater than 0) in the first time period; the average value of the detection values of the third mass flowmeter is greater than 0 in the first time period and the second time period; the average value of the detection values of the second flow rate detector which is greater than 0 is obtained in the first time period and the second time period; the average value of the detection values of the third flow rate detector which is greater than 0 is obtained in the first time period and the second time period; a second duration; the average value of the distance from the feeding port of the V-shaped powder concentrator to the second discharge port and the distance from the feeding port of the V-shaped powder concentrator to the first discharge port; the preset theoretical diameter of the powder discharged from the second discharge port of the V-shaped powder concentrator 101; a correction coefficient for the sorting coefficient is set based on the influence of parameters such as an average value of detection values (specifically detection values greater than 0) of the first flow rate detector on the sorting coefficient in the first time period; />
Figure GDA0003883628680000152
The influence coefficient of the sorting coefficient;
and in the formula (2)
Figure GDA0003883628680000153
Is based on an average of the first mass flow meter measurements (specifically measurements greater than 0) over the first time period; the average value of the distance from the feeding port of the V-shaped powder concentrator to the second discharge port and the distance from the feeding port of the V-shaped powder concentrator to the first discharge port; and the separation efficiency obtained by the parameters such as the preset material-gas ratio of the V-shaped powder separator; />
Figure GDA0003883628680000154
Is a correction factor for sorting efficiency.
It is assumed that the average value V of the detection values of the first flow rate detector (specifically, the detection values larger than 0) in the first period 1 =2m/s; the theoretical diameter D =0.1mm of the discharged powder at the second discharge port of the preset V-shaped powder concentrator 101; preset material-gas ratio rho of V-type powder separator 1 ＝4kg/m 3 (ii) a Air density ρ 2 ＝1.3kg/m 3 (ii) a The average value M of the detection values of the third mass flowmeter is larger than 0 in the first time period and the second time period 3 =0.03t/min; unit time T =60s; t is a unit of 2 =10s; the average value V of the detection values of the second flow rate detector larger than 0 in the first time period and the second time period 2 =1m/s; the average value V of the detection values of the third flow rate detector larger than 0 in the first time period and the second time period 3 =0.7m/s; is the average value M of the detected values of the first mass flowmeter (specifically the detected value greater than 0) in the first time period 1 =0.1t/min; the average value of the distance from the feeding port of the V-shaped powder concentrator to the second discharging port and the distance from the feeding port of the V-shaped powder concentrator to the first discharging port is H =1.5m; theoretical mechanical efficiency delta of V-shaped powder concentrator 0 =0.75; the average value M of the detection values of the second mass flowmeter is larger than 0 in the first time period and the second time period 2 If the separation coefficient K =2.65 (two decimal places), and the actual separation efficiency N =0.712 (three decimal places) of the V-type powder concentrator can be calculated as follows (= 0.07 t/min).
And when the actual separation efficiency obtained by calculation is less than the preset separation efficiency of 0.6, the controller controls an alarm to give an alarm.
The working principle and the beneficial effect of the technical scheme are as follows; the sorting coefficient K of the V-shaped powder concentrator is calculated by using a formula (1), then the actual sorting efficiency N of the V-shaped powder concentrator is calculated by using a formula (2), the actual sorting efficiency N of the V-shaped powder concentrator of the controller is compared with the preset sorting efficiency, when the actual sorting efficiency of the V-shaped powder concentrator is greater than the preset sorting efficiency of 0.6, the device can normally work, and when the actual sorting efficiency of the V-shaped powder concentrator is less than the preset sorting efficiency of 0.6, the controller gives an alarm by controlling the alarm to prompt a person that the device is abnormal, and problems possibly occurring at a certain part of the device are detected in time. When the power is switched on again, the controller switches on the first mass flow meter, the second mass flow meter and the third mass flow meter; and the first flow rate detector, the second flow rate detector, the third flow rate detector, the timer and the alarm start to work again to perform real-time detection. And realize unusual warning and remind personnel to check the problem through setting up the alarm, can effectual protection personnel and property not receive the loss, reached the purpose of safety protection.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (6)

1. A cement raw meal grinding system of a roller press is characterized in that,
the device comprises a powder concentrator (1), a ball mill (3) and a roller press (4), wherein the powder concentrator (1) is respectively connected with the ball mill (3) and the roller press (4), the powder concentrator (1) comprises a V-shaped powder concentrator (101), and a feed inlet of the V-shaped powder concentrator (101) is communicated with a discharge outlet (7) of a feed scattering device (5);
a roll squeezer cement raw grinding system still include: the checking device (23) is detachably arranged at a discharge port of the V-shaped powder concentrator (101), and the checking device (23) is provided with a first outlet (45) and a second outlet (46);
the check device (23) comprises an outer box body (53), an opening (37) is formed in the upper end of the outer box body (53), and the opening (37) is communicated with a discharge hole of the V-shaped powder concentrator (101);
the double-shaft motor (31) is fixedly connected to the inner wall of the left side of the outer box body (53) through a fixing rod (30), the upper end of the double-shaft motor (31) is fixedly connected with a first rotating shaft (32), the upper end of the first rotating shaft (32) is fixedly connected with a third bevel gear (33), the right end of the third bevel gear (33) is meshed with a fourth bevel gear (34), the right end of the fourth bevel gear (34) is fixedly connected with a second rotating shaft (54), and a fourth blade (38) is fixedly arranged on the second rotating shaft (54) at a position corresponding to the opening (37);
the first belt wheel (35) is fixedly arranged on the second rotating shaft (54), the lower end of the first belt wheel (35) is connected with the second belt wheel (36) through a belt, the second belt wheel (36) is fixedly connected with the third rotating shaft (40), and the fifth blade (39) is fixedly arranged on the third rotating shaft (40) and below the fourth blade (38);
the left side of the extrusion winding drum (42) is fixedly connected with a fourth rotating shaft (50), the rear side of the fourth rotating shaft (50) is fixedly connected with a third motor (49), the third motor (49) is fixedly connected with the inner wall or the outer wall of the rear side of an outer box body (53), the fourth rotating shaft (50) is further fixedly connected with a first gear (51), the right side of the first gear (51) is meshed with a second gear (52), the second gear (52) is fixedly sleeved on a fifth rotating shaft (55), and the fifth rotating shaft (55) is fixedly connected with the right side of the extrusion winding drum (42);
the fourth rotating shaft (50) and the fifth rotating shaft (55) are both rotatably connected with the inner wall of the outer box body (53);
the check device (23) further comprises: the device comprises a rotating cavity (24), wherein a first inlet is formed in the right end of the rotating cavity (24), a second outlet (46) is formed in the left end of the rotating cavity (24), the first inlet and the second outlet (46) are arranged in a left-low-right-high mode, a sixth rotating shaft (56) is further arranged in the rotating cavity (24), a plurality of rotating blades (47) are fixedly arranged on the sixth rotating shaft (56), the sixth rotating shaft (56) extends upwards out of the rotating cavity (24), a third gear (27) is fixedly sleeved on the outer side of the sixth rotating shaft (56), the front side of the third gear (27) is meshed and connected with a first rack (25), the first rack (25) slides left and right to penetrate through supporting blocks (26), and the two supporting blocks (26) are fixedly arranged on the upper surface of the outer side of the rotating cavity (24);
a seventh rotating shaft (29) is further rotatably connected to the rotating cavity (24), an incomplete gear (28) is fixedly sleeved on the outer side of the seventh rotating shaft (29), a first rack (25) is arranged on the front side of the incomplete gear (28), and a double-shaft motor (31) is fixedly connected to the upper end of the seventh rotating shaft;
the filter screen comprises an L-shaped moving rod (41), wherein a first rack (25) is fixedly connected to the left end of a horizontal section (60) of the L-shaped moving rod (41), the lower end of a vertical section (61) of the L-shaped moving rod (41) is hinged to the right end of a filter screen (43) through a first connecting rod (48), the filter screen (43) is arranged in a mode of being high on the right and low on the left, the left end of the filter screen (43) is arranged at an inlet of the right end of a rotating cavity (24) in a sliding mode, a bearing plate (44) is arranged at the lower end of the filter screen (43), the left end of the bearing plate (44) is fixedly connected to the rotating cavity (24), and the right end of the bearing plate (44) is in contact with the lower end of a first outlet (45);
the first outlet (45) is communicated with a feeding port of the fine powder concentrator (102); the second outlet (46) is communicated with a feeding port of the roller press (4).
2. The cement raw meal grinding system of the roller press as recited in claim 1, wherein a first discharge port of the V-type powder concentrator (101) is communicated with a feed port of the roller press (4), and a second discharge port of the V-type powder concentrator (101) is communicated with the fine powder concentrator (102); and the feed inlet of the roller press (4) is communicated with the feeding unit (58), and the discharge outlet of the roller press (4) is communicated with the feed inlet of the V-shaped powder concentrator (101).
3. The cement raw meal grinding system of the roll squeezer according to claim 2, wherein a first discharge port of the fine powder concentrator (102) is communicated with a feed port of the ball mill (3), and a second discharge port of the fine powder concentrator (102) is communicated with the finished product warehouse (2); the feeding hole of the ball mill (3) is communicated with the first discharging hole of the vortex powder concentrator (103), the second discharging hole of the vortex powder concentrator (103) is communicated with the finished product warehouse (2), and the discharging hole of the ball mill (3) is communicated with the feeding hole of the vortex powder concentrator (103).
4. A roller press cement raw meal grinding system as set forth in claim 1, characterized in that said feed breaking device (5) comprises: the device comprises a device shell (22), wherein a feeding port (6) is formed in the upper end of the device shell (22); the device casing (22) is interior left side wall and is set up the drive chamber, the setting in the drive chamber: the device comprises a first motor (8), wherein the right end of the first motor is fixedly connected with a first rotating rod (10), the right end of the first rotating rod (10) is rotatably connected with the inner wall of the right end of a device shell (22), a first blade (9) is fixed on the first rotating rod (10), and the first blade (9) is arranged below a feeding port (6).
5. A roller press cement raw meal grinding system according to claim 4, characterized in that said inlet breaking device (5) further comprises: second motor (14), second motor (14) are fixed to be set up through closed block (57) and are broken up device (5) central point at the pan feeding and put, just second motor upper end fixed connection second dwang (15), from the bottom up sets gradually second blade (13) and third blade (12) on second dwang (15).
6. A roller press cement raw meal grinding system according to claim 4, characterized in that said feed breaking device (5) further comprises: the first bevel gear (16) is fixedly arranged on the first rotating rod (10), the lower end of the first bevel gear (16) is meshed with the second bevel gear (17), the lower end of the second bevel gear (17) is fixedly connected with the third rotating rod (20), the lower end of the third rotating rod (20) is fixedly connected with the rotating disk (18), the edge of the lower surface of the rotating disk (18) is fixedly provided with a fixed block (19), the driving cavity is internally provided with an installation block (59), and the third rotating rod (20) is rotatably connected with the installation block (59);
second connecting rod (21), second connecting rod (21) left side fixed connection is on fixed block (19), and a sieve (11) is connected on the right side, sieve (11) set up between first blade (9) and third blade (12).
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