CN114192221A

CN114192221A - Carbon black crushing system

Info

Publication number: CN114192221A
Application number: CN202111539318.3A
Authority: CN
Inventors: 邵路; 陈国栋; 赵子齐; 侯希哲; 尹振兴; 李运华
Original assignee: Chaoyang Black Cat Wuxingqi Carbon Black Co ltd
Current assignee: Chaoyang Black Cat Wuxingqi Carbon Black Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-03-18
Anticipated expiration: 2041-12-15
Also published as: CN114192221B

Abstract

The invention discloses a carbon black crushing system which comprises a crusher, wherein the crusher comprises a bearing base, a first crushing mechanism and a second crushing mechanism are arranged on the base, the carbon black is crushed for the first time through the first crushing mechanism, and the carbon black is crushed for the second time through the second crushing mechanism, so that the purpose of improving the crushing quality of the carbon black is achieved. The invention has the following advantages and effects: through optimizing the rubbing crusher structure, set up first rubbing crusher structure and second rubbing crusher structure and improve the crushing quality of carbon black to dynamic monitoring can be realized.

Description

Carbon black crushing system

Technical Field

The invention relates to the field of carbon black production, in particular to a carbon black crushing system.

Background

The production of the carbon black is that under the high-temperature condition, hydrocarbons are incompletely combusted and cracked to generate very fine powdery substances, the substances mainly comprise carbon elements and are nano materials, and the primary particle size of the common carbon black is mainly distributed in the range of 10-100 nm of the nano materials.

A pulverizer for carbon black processing is one of devices for producing carbon black, but the existing pulverizer only adopts simple one-time pulverization, and has the problems of common pulverization quality and insufficient fineness of carbon black powder. Chinese patent with application number CN201721456592.3 discloses a rubbing crusher is used in carbon black processing, and this rubbing crusher is used in carbon black processing includes casing, supporting seat, motor, hierarchical structure and crushing structure, the upper and lower feed inlet and the discharge gate of being provided with of casing, be provided with the welt on the inner wall of casing, the supporting seat sets up the downside at the casing, crushing structure includes main shaft, hammer carrier board, tup and spacer, be provided with the hammer carrier board on the main shaft, the tup sets up on the hammer carrier board through the round pin axle, the tup dislocation set of the left and right sides, separate through the spacer between the hammer carrier board, the motor sets up the downside at the supporting seat, through the coupling joint between motor and the main shaft, hierarchical structure sets up in the exit. The carbon black is pulverized only once by the pulverizer, the carbon black pulverizing effect is poor, the problems of common carbon black quality and insufficient fineness of carbon black powder still exist, the particle size distribution span of the carbon black is large, and a great number of carbon black particles which do not meet the required threshold value are mixed. Thus, the present need has not been met, and a carbon black pulverizing system has been proposed.

Disclosure of Invention

It is an object of the present invention to provide a carbon black pulverizing system to solve the problems set forth in the background.

The technical purpose of the invention is realized by the following technical scheme: the carbon black crushing system comprises a crusher, wherein the crusher comprises a bearing base, a first crushing mechanism and a second crushing mechanism are arranged on the base, the carbon black is crushed once by the first crushing mechanism, and the carbon black is crushed twice by the second crushing mechanism, so that the purpose of improving the crushing quality of the carbon black is achieved.

The further setting is that: the first crushing mechanism comprises a feeding crushing disc, a crushing assembly is arranged in the feeding crushing disc, an upper end conveying channel for downwards conveying the primarily crushed carbon black is arranged on the feeding crushing disc, a receiving and separating disc is arranged below the upper end conveying channel, a first filter plate is arranged at the position, corresponding to the upper end conveying channel, of the receiving and separating disc, the first filter plate is obliquely arranged, the carbon black falling from the upper end conveying channel can be filtered by the first filter plate, the fine carbon black is filtered into a first collecting box at the lower end of the first filter plate, and the unfiltered large-particle carbon black enters a second collecting box along the first filter plate;

the first collecting box is provided with a first lead-in pipe communicated with the receiving separating disc, the first collecting box is fixed on a first positioning column at the lower end of the first collecting box through a bolt, the interior of the first positioning column is hollowed out to be communicated with the first collecting box, a first conveying channel for continuously conveying downwards is arranged at the lower end of the first positioning column, the first conveying channel extends downwards and stores carbon black in a first storage box after being connected with a first output pipeline; a second conveying channel is arranged between the second collecting box and the receiving and separating disc, two rotating grinding rods are arranged in the second collecting box and driven by a motor, and the two rotating grinding rods can be matched to further crush the carbon black; the lower end of the second collecting box is provided with a transverse conveying channel, and two supporting columns for supporting are arranged on the transverse conveying channel.

The further setting is that: a longitudinal extension block is fixedly arranged on the side of the upper end conveying way, an upper end fixing rod is fixedly arranged on the upper half part of the longitudinal extension rod, an inclined surface is arranged on the lower end surface of the upper end fixing rod, two conductive short rods are fixedly arranged on the inclined surface of the upper end conductive rod, the two conductive short rods are respectively connected with a lead, and the lead is connected to an external PLC after penetrating through the inside of the upper end fixing rod; the lower end fixing rod is fixedly provided with two conductive grooves, two conductive short rods on the upper end fixing rod can be respectively inserted into the conductive grooves of the lower end fixing rod in a damping mode, the lower end fixing rod is fixedly provided with a first infrared distance measuring sensor through bolts, the first infrared distance measuring sensor is electrically connected with the conductive grooves, and the first infrared distance measuring sensor faces a first filter plate of the receiving separation disc so as to detect the movement of carbon black.

The further setting is that: the device is characterized by also comprising a detection box, wherein the transverse conveying channel extends leftwards to be connected with the detection box, a receiving groove is arranged in the detection box, a sampling wheel capable of rotating anticlockwise is arranged in the receiving groove, the sampling wheel is driven by a motor, and a sampling guide groove is arranged on the left side of the sampling wheel; when the carbon black is transported to the receiving groove, the carbon black can fall on the sampling wheel, a small part of the carbon black is conveyed to the sampling guide groove under the driving of the rotation of the sampling wheel, and most of the carbon black continuously falls to the second crushing mechanism.

The further setting is that: the second crushing mechanism comprises a receiving pipe, the receiving pipe is connected to the receiving groove to receive falling carbon black, the tail end of the receiving groove is connected to the inside of the flow dividing crushing box, an inner cavity connected with the receiving pipe is arranged in the flow dividing crushing box, a transverse first fan and an oblique second fan are arranged at the bottom of the inner cavity, the second fan is close to the receiving pipe, an upper end outlet and a lower end outlet which are communicated with the inner cavity are arranged on the left side of the flow dividing crushing box, a first bent pipe, a second branch pipe and a third branch pipe are sequentially connected to the upper end outlet, and the tail end of the third branch pipe is connected with a second storage box for collection; the lower end outlet is sequentially connected with a fourth bent pipe, a fifth branch pipe and a sixth branch pipe, and the tail end of the sixth branch pipe is connected with a third storage box for collection.

The further setting is that: rotary fan blades for conveying the carbon black forwards are arranged in the first bending pipe and the fifth bending pipe; and control valves for cutting off or conducting are arranged on the second branch pipe and the fifth branch pipe.

The further setting is that: the crushing assembly in the feeding crushing disc comprises a main shaft, a plurality of movable pressing wheels are arranged on the main shaft at intervals, a spacing cavity is formed between every two adjacent movable pressing wheels, and a fixed pressing wheel is fixedly arranged in the spacing cavity.

The invention has the following beneficial effects:

1. the invention relates to a novel pulverizer which comprises a first pulverizing mechanism and a second pulverizing mechanism, wherein the first pulverizing mechanism and the second pulverizing mechanism are matched to improve the pulverizing quality of carbon black, so that the problems of general pulverizing quality and insufficient fineness of carbon black powder are effectively solved.

2. The purpose of primary crushing is achieved by arranging the feeding crushing disc, the receiving separation disc and the first filter plate are arranged below the feeding crushing disc to realize primary separation, fine carbon black meeting the requirements is filtered into the first collection box at the lower end of the first filter plate, and large-particle carbon black which is not filtered enters the second collection box along the first filter plate; and the path of the filtered carbon black entering the second collecting box is matched with the further crushing of the carbon black by arranging two rotary grinding rods, so that the structure is fully utilized and optimized.

3. According to the invention, the longitudinal extension block, the upper end fixing rod and the lower end fixing rod are fixedly arranged on the side of the upper end conveying channel, the two conductive short rods are arranged on the upper end fixing rod, the two conductive grooves are formed in the lower end fixing rod, the first infrared distance measuring sensor is conductive through the insertion and matching of the conductive short rods and the conductive grooves, the motion of carbon black is detected through the first infrared distance measuring sensor, the smoothness of the detection process is realized, and the situations of no material, the faults of a feeding crushing disc or the blockage of the upper end conveying channel are avoided.

4. In the invention, a small part of carbon black is conveyed to the sampling guide groove by the rotation of the sampling wheel in the sampling box, and the large part of carbon black continuously falls to the second crushing mechanism, thereby achieving the purpose of automatic sampling.

5. According to the invention, further crushing is realized by arranging the secondary crushing assembly, the longitudinal direction is controlled by driving the air cylinder, then crushing and grinding are realized by the rotation matching of the driving motor, the extrusion degree can be improved by the balancing weight, the crushing effect is good in the actual use of 5 contact blocks and 3 contact bulges, and the carbon black is judged by sampling carbon black sampled in the storage box.

6. According to the carbon black split-flow crushing box, the carbon black is conveyed upwards by the first fan and the second fan in the split-flow crushing box, double-end collection is realized by the upper-end outlet and the lower-end outlet, and the collection efficiency is higher; the condition that single-ended collection fails to collect because of fault damage is effectively avoided, and stability is improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural view of a pulverizer in the embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is an enlarged view of portion C of FIG. 2;

FIG. 6 is an enlarged view of portion D of FIG. 5;

FIG. 7 is an enlarged view of section E of FIG. 6;

FIG. 8 is an enlarged view of portion F of FIG. 5;

FIG. 9 is an enlarged view of portion G of FIG. 2;

FIG. 10 is a schematic view showing the internal structure of the feed crushing disk in the example.

In the figure: 11. a main bag carbon black collection box body; 12. a waste vein box body; 13. then treating the box body; 14. an air conveying pipeline; 15. a pulverizer; 16. a blower; 17. a main vein collection box body; 18. a granulation system; 19. an automatic shut-off valve; 21. a base; 31. feeding a crushing disc; 32. an upper end conveying path; 41. receiving a separating tray; 42. a first filter plate; 43. a first collection tank; 431. a first lead pipe; 432. a first positioning post; 433. a first conveyance path; 434. a first output pipe; 435. a first storage box; 44. a second collection tank; 441. a second conveyance path; 442. rotating the grinding rod; 443. a transverse conveying path; 444. a support pillar; 45. a longitudinally extending block; 46. an upper end fixing rod; 461. a conductive stub; 47. a lower end fixing rod; 471. a conductive slot; 48. a first infrared ranging sensor; 51. a detection box; 511. a receiving groove; 512. a sampling wheel; 514. a sampling guide groove; 515. a shielding section; 516. a guide section; 521. a first longitudinal segment; 522. a second inclined section; 523. a third longitudinal segment; 524. a fourth inclined section; 525. a sampling storage box; 531. a fixed block; 532. a second infrared ranging sensor; 61. a secondary crushing tank; 62. a sealing plate; 631. a mounting seat; 632. a driving cylinder; 633. a cross connecting block; 634. a drive motor; 635. a transmission gear; 636. a balancing weight; 637. connecting the inserted link; 638. a rotating shaft; 639. a contact plate; 6391. a contact block; 6392. a contact projection; 71. a receiving tube; 72. a flow-dividing crushing box; 721. an inner cavity; 731. a first fan; 732. a second fan; 741. a first bent tube; 742. a second branch pipe; 743. a third branch pipe; 751. a fourth bent tube; 752. a fifth branch pipe; 753. a sixth branch pipe; 76. rotating the fan blades; 77. a control valve; 81. a main shaft; 82. a movable pinch roller; 83. and fixing the pinch roller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the design process, the invention mainly provides a carbon black crushing system, the aim of the invention is realized by a secondary crushing mechanism, and in the specific implementation process, a carbon black crusher is placed on a leakage-proof carbon black flow.

As shown in fig. 1 to 10, a carbon black pulverizing system comprises a main bag carbon black collecting box 11, a waste vein box 12, a reprocessing box 13, an air conveying pipeline 14, a pulverizer 15, a blower 16, a main vein collecting box 17 and a granulating system 18, wherein the main bag carbon black collecting box 11, the waste vein box 12 and the reprocessing box 13 are all connected to the air conveying pipeline 14, the tail end of the air conveying pipeline 14 is connected to the input end of the pulverizer 15, the output end of the pulverizer 15 is connected to the blower 16, the blower 16 is linked with the main vein collecting box 17, and the main vein collecting box 17 is connected to the granulating system 18; the pelletizing system 18 is of a conventional type.

Wherein, the upper end of the outlet pipe of the blower 16 is connected with an automatic cut-off valve 19, and the automatic cut-off valve 19 and the fault tripping operation signal of the blower 16 realize linkage, when emergency power off or the fault stopping operation of the blower 16, the automatic cut-off valve 19 is automatically closed;

the pulverizer 15 includes a base 21 for carrying, a first pulverizing mechanism, a second pulverizing mechanism and a detecting mechanism connected between the first pulverizing mechanism and the second pulverizing mechanism are arranged on the base 21, the pulverizing quality of carbon black is improved by the cooperation of the first pulverizing mechanism and the second pulverizing mechanism, and dynamic monitoring is realized by the detecting mechanism.

The automatic cut-off valve is arranged above an outlet pipe of the air feeder and interlocked with a fault tripping operation signal of the air feeder, and the automatic cut-off valve is automatically closed when emergency power failure occurs or the air feeder stops operating due to faults. The device has the advantages that the carbon black leakage caused by the jump stop of equipment faults is avoided, chain automatic closing and carbon black cutting are realized under emergency conditions, the field environment pollution is reduced, the labor intensity of operators can be effectively reduced as an improved device for reducing the carbon black leakage, and the field environmental sanitation and the company economic loss are ensured.

The first crushing mechanism comprises a feeding crushing disc 31, a crushing assembly is arranged in the feeding crushing disc 31, an upper end conveying channel 32 for downwards conveying carbon black after primary crushing is arranged on the feeding crushing disc 31, a receiving and separating disc 41 is arranged below the upper end conveying channel 32, a first filter plate 42 is arranged at a position, corresponding to the upper end conveying channel 32, of the receiving and separating disc 41, the first filter plate 42 is obliquely arranged, carbon black falling from the upper end conveying channel 32 can be filtered through the first filter plate 42, fine carbon black is filtered into a first collecting box 43 at the lower end of the first filter plate 42, and large carbon black particles which are not filtered enter a second collecting box 44 along the first filter plate 42;

the first collecting tank 43 is provided with a first lead pipe 431 communicated with the receiving and separating disc 41, the first collecting tank 43 is fixed on a first positioning column 432 at the lower end thereof through bolts, the interior of the first positioning column 432 is hollowed out to be communicated with the first collecting tank 43, a first conveying channel 433 for continuous downward conveying is arranged at the lower end of the first positioning column 432, and the first conveying channel 433 extends downwards and stores carbon black in a first storage tank 435 after being connected with a first output pipe 434; a second conveying channel 441 is arranged between the second collecting box 44 and the receiving and separating disc 41, two rotating grinding rods 442 are arranged in the second collecting box 44, the two rotating grinding rods 442 are driven by a motor, and the two rotating grinding rods 442 can be matched to realize the further pulverization of the carbon black; a transverse conveying channel 443 is arranged at the lower end of the second collecting box 44, and two supporting columns 444 are arranged on the transverse conveying channel 443.

A longitudinal extension block 45 is fixedly arranged on the side of the upper end conveying path 32, an upper end fixing rod 46 is fixedly arranged on the upper half part of the longitudinal extension rod, an inclined surface is arranged on the lower end surface of the upper end fixing rod 46, two conductive short rods 461 are fixedly arranged on the inclined surface of the upper end conductive rod, and the two conductive short rods 461 are respectively connected with a lead wire and are connected to an external PLC after penetrating through the inside of the upper end fixing rod 46; a lower end fixing rod 47 capable of being inserted into the upper end fixing rod 46 is arranged below the upper end fixing rod 46, an inclined surface is arranged on the upper end surface of the lower end fixing rod 47, two conductive grooves 471 are fixedly arranged on the inclined surface of the lower end fixing rod 47, two conductive short rods 461 on the upper end fixing rod 46 can be respectively inserted into the conductive grooves 471 of the lower end fixing rod 47 in a damping manner, a first infrared distance measuring sensor 48 is fixedly arranged on the lower end fixing rod 47 through bolts, the first infrared distance measuring sensor 48 is in conductive connection with the conductive grooves 471, and the first infrared distance measuring sensor 48 faces the first filter plate 42 of the receiving separating disc 41, so that the movement of carbon black is detected.

The detection mechanism comprises a detection box 51, the transverse conveying channel 443 extends leftwards to be connected with the detection box 51, a receiving groove 511 is arranged in the detection box 51, a sampling wheel 512 capable of rotating anticlockwise is arranged in the receiving groove 511, the sampling wheel 512 is driven by a motor, and a sampling guide groove 514 is arranged on the left side of the sampling wheel 512; when the carbon black is transported to the receiving groove 511, the carbon black falls down on the sampling wheel 512, and a small portion of the carbon black is transported to the sampling guide groove 514 by the rotation of the sampling wheel 512, while the majority of the carbon black continues to fall down to the second pulverizing mechanism.

The sampling guide groove 514 is provided with a shielding section 515 in an arc state, a guide section 516 extends out of the middle part of the shielding section 515, a sampling and accommodating groove is formed in the lower end of the guide section 516, the sampling and accommodating groove is composed of a first longitudinal section 521, a second inclined section 522, a third longitudinal section 523 and a fourth inclined section 524 which are sequentially connected, the fourth inclined section 524 extends into a sampling and storing box 525 to collect carbon black required to be sampled, and a worker can achieve the purpose of manual auxiliary judgment by observing the carbon black in the sampling and storing box 525;

according to the invention, the sampling storage groove is arranged to convey the sampled carbon black, the carbon black is conveyed into the sampling storage box, and workers can observe the carbon black in the sampling storage box to achieve the purpose of manual auxiliary judgment. Meanwhile, the second infrared distance measuring sensor is used for judging the motion condition of the carbon black, so that the fault blockage condition can be effectively checked.

A second infrared distance measuring sensor 532 for detecting whether the first longitudinal section 521 is blocked is fixedly arranged above the first longitudinal section 521, and the second infrared distance measuring sensor 532 is fixed in the detection box 51 through a fixing block 531.

Wherein, a secondary crushing groove 61 is arranged between the left end of the transverse conveying channel 443 and the receiving groove 511, a longitudinal sealing plate 62 is arranged between the secondary crushing groove 61 and the receiving groove 511, and the sealing plate 62 can move longitudinally under the electric action of a motor to realize the cutting of the secondary crushing groove 61 and the receiving groove 511; the upper end of the secondary crushing tank 61 is provided with a secondary crushing component, the secondary crushing component comprises a mounting seat 631 fixed on the base 21, a driving cylinder 632, a square connecting block, a cross connecting block 633, a driving motor 634, a transmission gear 635, a balancing weight 636, a connecting insert rod 637 and a rotating shaft 638, the driving cylinder 632 is longitudinally fixed on the mounting seat 631, the square connecting block is fixed on an output shaft of the driving cylinder 632, the cross connecting block 633 is fixed on the square connecting block, the driving motor 634 is fixed on the cross connecting block 633, the driving motor 634 is provided with a lead wire connected with the outside and is led out, the output shaft of the driving motor 634 is connected with the transmission gear 635, the balancing weight 636 is fixedly arranged at the lower end of the transmission gear 635, and the rotating shaft 638 is fixed at the lower end of the balancing weight 636, a contact plate 639 is disposed on the lower end surface of the rotating shaft 638, 5 contact blocks 6391 are regularly disposed on the lower end surface of the contact plate 639, 3 contact protrusions 6392 are regularly disposed on each contact block 6391, and the cross section of each contact protrusion 6392 is circular.

The second crushing mechanism comprises a receiving pipe 71, the receiving pipe 71 is connected to a receiving groove 511 to receive the falling carbon black, the tail end of the receiving groove 511 is connected to a flow dividing crushing box 72, an inner cavity 721 connected with the receiving pipe 71 is arranged in the flow dividing crushing box 72, a transverse first fan 731 and an oblique second fan 732 are arranged at the bottom of the inner cavity 721, the second fan 732 is close to the receiving pipe 71, an upper end outlet and a lower end outlet which are communicated with the inner cavity 721 are arranged on the left side of the flow dividing crushing box 72, a first bent pipe 741, a second branch pipe 742 and a third branch pipe 743 are sequentially connected to the upper end outlet, and the tail end of the third branch pipe 743 is connected with a second storage box for collection; a fourth bent pipe 751, a fifth branch pipe 752 and a sixth branch pipe 753 are sequentially connected to the lower end outlet, and the tail end of the sixth branch pipe 753 is connected with a third storage box for collection.

Wherein, the first bending pipe 741 and the fifth bending pipe are internally provided with rotating fan blades 76 for conveying the carbon black forwards; the second branch pipe 742 and the fifth branch pipe 752 are provided with a control valve 77 for cutoff or conduction.

The crushing assembly in the feeding crushing disc 31 comprises a main shaft 81, a plurality of movable pressing wheels 82 are arranged on the main shaft 81 at intervals, an interval cavity is formed between every two adjacent movable pressing wheels 82, and a fixed pressing wheel 83 is fixedly arranged in the interval cavity.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but only within the scope of the claims of the present invention.

Claims

1. A carbon black crushing system is characterized in that: the carbon black crushing device comprises a crusher (15), wherein the crusher (15) comprises a bearing base (21), a first crushing mechanism and a second crushing mechanism are arranged on the base (21), carbon black is crushed once through the first crushing mechanism, and carbon black is crushed twice through the second crushing mechanism.

2. A carbon black pulverizing system as defined in claim 1, wherein: the first crushing mechanism comprises a feeding crushing disc (31), a crushing assembly is arranged in the feeding crushing disc (31), an upper end conveying channel (32) for downwards conveying carbon black after primary crushing is arranged on the feeding crushing disc (31), a receiving and separating disc (41) is arranged below the upper end conveying channel (32), a first filter plate (42) is arranged at the position, corresponding to the upper end conveying channel (32), of the receiving and separating disc (41), the first filter plate (42) is obliquely arranged, carbon black falling from the upper end conveying channel (32) can be filtered through the first filter plate (42), fine carbon black is filtered into a first collecting box (43) at the lower end of the first filter plate (42), and large particle carbon black which is not filtered enters a second collecting box (44) along the first filter plate (42);

the first collecting box (43) is provided with a first guide pipe (431) communicated with the receiving and separating disc (41), the first collecting box (43) is fixed on a first positioning column (432) at the lower end of the first collecting box through a bolt, the first positioning column (432) is hollowed out to be communicated with the first collecting box (43), a first conveying channel (433) for continuous downward conveying is arranged at the lower end of the first positioning column (432), and the first conveying channel (433) extends downwards and stores carbon black in a first storage box (435) after being connected with a first output pipe (434); a second conveying channel (441) is arranged between the second collecting box (44) and the receiving and separating disc (41), two rotating grinding rods (442) are arranged in the second collecting box (44), the two rotating grinding rods (442) are driven by a motor, and the two rotating grinding rods (442) can be matched to realize the further crushing of the carbon black; the lower end of the second collecting box (44) is provided with a transverse conveying channel (443), and two supporting columns (444) for supporting are arranged on the transverse conveying channel (443).

3. A carbon black pulverizing system as defined in claim 2, wherein: a longitudinal extension block (45) is fixedly arranged on the side of the upper end conveying channel (32), an upper end fixing rod (46) is fixedly arranged on the upper half part of the longitudinal extension rod, an inclined surface is arranged on the lower end surface of the upper end fixing rod (46), two conductive short rods (461) are fixedly arranged on the inclined surface of the upper end conductive rod, the two conductive short rods (461) are respectively connected with a lead, and the lead is connected to an external PLC after penetrating through the inside of the upper end fixing rod (46); the lower end fixing rod (47) capable of being inserted into the upper end fixing rod (46) is arranged below the upper end fixing rod (46), an inclined surface is arranged on the upper end face of the lower end fixing rod (47), two conductive grooves (471) are fixedly arranged on the inclined surface of the lower end fixing rod (47), two conductive short rods (461) on the upper end fixing rod (46) can be inserted into the conductive grooves (471) of the lower end fixing rod (47) in a damping mode respectively, a first infrared distance measuring sensor (48) is fixedly arranged on the lower end fixing rod (47) through bolts, the first infrared distance measuring sensor (48) is in conductive connection with the conductive grooves (471), and the first infrared distance measuring sensor (48) faces towards the first filter plate (42) of the receiving separation disc (41) so as to detect the movement of carbon black.

4. A carbon black pulverizing system as defined in claim 2, wherein: the device is characterized by further comprising a detection box (51), wherein the transverse conveying channel (443) extends leftwards to be connected with the detection box (51), a receiving groove (511) is formed in the detection box (51), a sampling wheel (512) capable of rotating anticlockwise is arranged in the receiving groove (511), the sampling wheel (512) is driven by a motor, and a sampling guide groove (514) is formed in the left side of the sampling wheel (512); when the carbon black is transported to the receiving groove (511), the carbon black falls on the sampling wheel (512), a small part of the carbon black is conveyed to the sampling guide groove (514) under the driving of the rotation of the sampling wheel (512), and the most part of the carbon black continuously falls to the second crushing mechanism.

5. A carbon black pulverizing system as defined in claim 4, wherein: the second crushing mechanism comprises a receiving pipe (71), the receiving pipe (71) is connected to the receiving groove (511) to receive the falling carbon black, and the tail end of the receiving groove (511) is connected with the diversion crushing box (72), an inner cavity (721) connected with the receiving pipe (71) is arranged in the flow dividing and crushing box (72), a transverse first fan (731) and an oblique second fan (732) are arranged at the bottom of the inner cavity (721), the second fan (732) is close to the receiving pipe (71), an upper end outlet and a lower end outlet which are communicated with the inner cavity (721) are arranged on the left side of the flow dividing and crushing box (72), a first bent pipe (741), a second branch pipe (742) and a third branch pipe (743) are sequentially connected to the upper end outlet, and the tail end of the third branch pipe (743) is connected with a second storage box for collection; the lower end outlet is sequentially connected with a fourth bent pipe (751), a fifth branch pipe (752) and a sixth branch pipe (753), and the tail end of the sixth branch pipe (753) is connected with a third storage box for collection.

6. A carbon black pulverizing system as defined in claim 5, wherein: rotary fan blades (76) for conveying the carbon black forward are arranged in the first bending pipe (741) and the fifth bending pipe; and control valves (77) for intercepting or guiding are arranged on the second branch pipe (742) and the fifth branch pipe (752).

7. A carbon black pulverizing system as defined in claim 2, wherein: crushing unit in feeding crushing dish (31) including main shaft (81) on main shaft (81) the interval be provided with a plurality of movable pinch rollers (82), each adjacent movable pinch roller (82) between form the compartment, in the compartment intracavity fixed be provided with fixed pinch roller (83).