CN210935202U

CN210935202U - High-efficient grinder is used in carbon black production

Info

Publication number: CN210935202U
Application number: CN201921607931.2U
Authority: CN
Inventors: 赵国伟
Original assignee: Zhengzhou Dezhao Industrial Co ltd
Current assignee: Zhengzhou Dezhao Industrial Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-07-07
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a high-efficiency grinding device for carbon black production, which comprises a barrel body, wherein the lower part of the barrel body is provided with a grinding mechanism, the upper end of the barrel body is provided with a grading bin, the upper end of the grading bin is provided with a feeding bin, the side wall of the feeding bin is connected with a first feeding pipe, the upper end of the feeding bin is provided with a first motor, an output shaft of the first motor is connected with a grading impeller extending into the grading bin, the barrel body is internally provided with an inner barrel, the upper end of the inner barrel extends into the grading bin, the inner barrel and the inner wall of the barrel body form a material settling channel, the conical wall at the lower part of the grading bin is provided with an annular through hole, the annular through hole is internally provided with a filter screen, the lower end of the annular through hole is connected with an annular powder collecting groove, the powder collecting groove is connected with a second feeding pipe, the inner barrel enables descending coarse material and ascending material to move separately without mutual interference, the separation, avoid the excessive grinding of fine material, improve and grind the quality.

Description

High-efficient grinder is used in carbon black production

Technical Field

The utility model relates to a carbon black production facility technical field, concretely relates to carbon black production is with high-efficient grinder.

Background

The pyrolytic carbon black can replace or be used together with industrial carbon black after being ground, modified and granulated, and can be used as a production raw material of rubber product tires, the waste tire pyrolytic carbon black is a mixture of various industrial carbon blacks, contains the existing white carbon black, metal oxide and coke substances generated in the process of pyrolysis in the process of rubber material processing, and has coarse residues, so grinding equipment is needed to grind the carbon black in the production process so as to meet the specified requirements.

The existing grinding device continues to output fine materials upwards after air flow classification separation, the coarse materials are thrown out by the classification impeller and fall into the chassis again, the coarse materials and rising materials can be mixed in a crossed mode in the coarse material settling process, the rising rate of the ground materials is influenced due to the fact that the rising materials are obstructed, the settling of the coarse materials is influenced, and the grinding efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient grinder is used in carbon black production, solve current grinder coarse fodder and subside in-process and can alternately mix with the material that rises, cause the hindrance to the material that rises, influenced the subsidence of coarse fodder and also influenced the rising speed of grinding material, lead to the problem that grinding efficiency is low.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a carbon black production is with high-efficient grinder, includes the barrel, the lower part of barrel is equipped with grinding mechanism, the upper end of barrel is equipped with hierarchical storehouse, the upper and lower both ends in hierarchical storehouse are the toper structure of inside shrink, the upper end in hierarchical storehouse is equipped with the feeding bin, the lateral wall in feeding bin is connected with first conveying pipe, the upper end in feeding bin is equipped with first motor, be connected with the hierarchical impeller that stretches into in the hierarchical storehouse on the output shaft of first motor, be equipped with the inner tube in the barrel, the upper end of inner tube stretches into in the hierarchical storehouse, the inner tube with the barrel inner wall constitutes the material settlement passageway, annular through-hole has been seted up on the conical wall of hierarchical storehouse lower part, be equipped with the filter screen in the annular through-hole, the lower extreme of annular through-hole is connected with annular collection powder groove, collection powder groove is connected with the.

Preferably, the height of the groove bottom of the powder collecting groove, which is symmetrical to one end of the second feeding pipe, is greater than that of the groove bottom of the connecting part of the second feeding pipe, and the height of the groove bottom of the powder collecting groove gradually decreases along the powder collecting groove.

Preferably, the inner cylinder consists of a lower vertical section and an upper conical section, and the lower conical surface of the grading impeller is positioned in an upper end opening of the upper conical section.

Preferably, the inner wall of the lower vertical section is provided with a plurality of vertically arranged air deflectors, the outer wall of the lower vertical section is provided with an annular sliding groove, and the inner wall of the cylinder body is provided with a sliding block which is positioned in the sliding groove and can slide along the sliding groove.

Preferably, grinding mechanism is including fixing the mill on the barrel lower extreme inside wall, the mid-rotation of mill installs the pivot, the upper end of pivot is equipped with decides the roll stand, decide roll stand go up the annular distribute have a plurality ofly with decide roll stand articulated pendulum rod, the lower extreme of pendulum rod rotates and is connected with the grinding roller, the grinding roller can roll on the inner ring wall of mill, the lower part lateral wall of the pivot that indicates is equipped with the spiller frame, be equipped with the spiller on the spiller frame, the pivot is relative the mill rotates and can drive the spiller spills the material on the mill bottom plate.

Preferably, the side wall of the cylinder is positioned above the grinding disc and is provided with a feed inlet, and the cylinder positioned outside the grinding disc is provided with an air inlet.

Compared with the prior art, the beneficial effects of the utility model are that:

1. make decline coarse fodder and the material that rises separate the motion mutually noninterference through setting up the inner tube, improved the separation efficiency of material, the annular through hole makes the thin material that smugglies secretly among the subside material fall into annular collection powder inslot and get into next process through the second conveying pipe through the filter screen, avoids thin material excessively to grind, improves grinding quality.

2. The height of the groove bottom of one end of the powder collecting groove, which is symmetrical to the second feeding pipe, is greater than that of the groove bottom of the joint of the second feeding pipe, and the height of the groove bottom is gradually reduced along the powder collecting groove, so that materials can enter the second feeding pipe along the groove bottom, and the grinding efficiency is improved.

3. The upper conical section is arranged, the lower conical surface of the grading impeller is positioned in an upper end opening of the upper conical section, the upper conical section completely covers the grading impeller, coarse materials thrown out by the grading impeller can enter the material sedimentation channel, and the separation quality of the coarse materials and the fine materials is ensured.

4. The inner cylinder slides in the sliding groove through the sliding block to be movably connected with the cylinder, and in the process of upward movement of the ascending air flow, the air deflector receives the influence of the air flow to drive the inner cylinder to rotate, so that the material is prevented from being deposited on the inner cylinder.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, an embodiment of the present invention is: a high-efficiency grinding device for carbon black production comprises a barrel body 1, wherein a grinding mechanism is arranged at the lower part of the barrel body 1, a grading bin 2 is arranged at the upper end of the barrel body 1, the upper end and the lower end of the grading bin 2 are both of inward-contracted conical structures, a feeding bin 3 is arranged at the upper end of the grading bin 2, a first feeding pipe 4 is connected to the side wall of the feeding bin 3, a first motor 5 is arranged at the upper end of the feeding bin 3, a grading impeller 6 extending into the grading bin 2 is connected to an output shaft of the first motor 5, an inner barrel 7 is arranged in the barrel body 1, the upper end of the inner barrel 7 extends into the grading bin 2, the inner barrel 7 and the inner wall of the barrel body 1 form a material settling channel 8, an annular through hole 9 is formed in the conical wall at the lower part of the grading bin 2, a filter screen 10 is arranged in the annular through hole 9, and an annular, the powder collecting groove 11 is connected with a second feeding pipe 12, and a valve is arranged on the second feeding pipe 12. The materials ground by the grinding mechanism rise under the action of air flow, the finer materials enter the feeding bin 3 upwards through the grading impeller and enter the next stage of process through the first feeding pipe 4, the coarse materials are radially thrown out under the action of the grading impeller 6, the coarse materials fall down through the material settling channel 8 and enter the grinding mechanism at the lower end again for grinding, the separation movement of the falling coarse materials and the rising materials is not interfered with each other, the separation efficiency of the materials is improved, the amount of the coarse materials brought into the grading impeller again by the rising air flow is reduced, the amount of the fine materials continuously ground under the coarse materials is also reduced, the annular through hole 9 is arranged to enable the fine materials carried in the settling materials to fall into the annular powder collecting groove through the filter screen 10 and enter the next process through the second feeding pipe 12, the coarse materials cannot pass through the filter screen 10, the fine materials are prevented from falling down again for grinding and are repeatedly ground, and the problem that the ground materials are too fine is avoided, the grinding quality is improved.

On the basis of the above embodiment, the height of the groove bottom of the powder collecting groove 11, which is symmetrical to one end of the second feeding pipe 12, is greater than the height of the groove bottom at the joint with the second feeding pipe 12, and gradually decreases along the powder collecting groove 11. The material can enter the second feeding pipe 12 along the bottom of the groove, and the grinding efficiency is improved.

On the basis of the above embodiment, the inner cylinder 7 is composed of a lower vertical section 71 and an upper tapered section 72, and the lower tapered surface of the classifying impeller 6 is located in the upper end opening of the upper tapered section 72. The upper conical section 72 is arranged, the lower conical surface of the grading impeller 6 is positioned in the upper end opening of the upper conical section 72, the grading impeller 6 is completely covered by the upper conical section 72, coarse materials thrown out by the grading impeller can enter the material sedimentation channel 8, and the separation quality of the coarse materials and the fine materials is ensured.

On the basis of the above embodiment, the inner wall of the lower vertical section 71 is provided with a plurality of vertically arranged air deflectors 13, the outer wall of the lower vertical section 71 is provided with an annular sliding groove 14, the inner wall of the cylinder 1 is provided with a sliding block 15, and the sliding block 15 is located in the sliding groove 14 and can slide along the sliding groove 14. The inner cylinder 7 slides in the sliding groove 14 through the sliding block 15 to realize movable connection with the cylinder 1, and in the process of upward movement of the ascending air flow, the air deflector 13 receives the influence of the air flow and can drive the inner cylinder 7 to rotate, so that the material is prevented from being deposited on the inner cylinder 7, and specifically, a plurality of groups of sliding grooves can be uniformly formed in the outer wall of the inner cylinder, and the stability of rotation of the inner cylinder 7 is ensured.

On the basis of the above embodiment, the grinding mechanism includes a grinding disc 16 fixed on the inner side wall of the lower end of the cylinder 1, a rotating shaft 17 is rotatably installed in the middle of the grinding disc 16, a fixed roller frame 18 is arranged at the upper end of the rotating shaft 17, a plurality of swing rods 19 hinged to the fixed roller frame 18 are annularly distributed on the fixed roller frame 18, a grinding roller 20 is rotatably connected to the lower end of the swing rods 19, the grinding roller 20 can roll on the inner annular wall of the grinding disc 16, a scraper frame 21 is arranged on the lower side wall of the designated rotating shaft 17, a scraper knife 22 is arranged on the scraper frame 21, the rotating shaft 17 can drive the scraper knife 22 to scrape the material on the bottom plate of the grinding disc 16 by rotating relative to the grinding disc 16, the lower end of the rotating shaft 17 extends out of the cylinder 1 and is connected with a second driving motor 23, a feed inlet 24 is arranged on the side wall of the cylinder 1 above the grinding disc 16, the air inlet 25 is connected with an external blower through a pipeline. The second motor 23 drives the rotating shaft 17 to rotate, the rotating shaft 17 drives the grinding roller 20 to roll on the inner ring wall of the grinding disc 16 to grind materials, and the scraper knife 22 can scrape the materials falling into the bottom plate of the grinding disc 16 in the rotating process of the rotating shaft 17, so that the grinding is sufficient, and the grinding efficiency is improved.

The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a carbon black production is with high-efficient grinder, includes barrel (1), its characterized in that: the grinding machine is characterized in that a grinding mechanism is arranged at the lower part of the barrel body (1), a grading bin (2) is arranged at the upper end of the barrel body (1), the upper end and the lower end of the grading bin (2) are of inward-contracting conical structures, a feeding bin (3) is arranged at the upper end of the grading bin (2), a first feeding pipe (4) is connected to the side wall of the feeding bin (3), a first motor (5) is arranged at the upper end of the feeding bin (3), a grading impeller (6) extending into the grading bin (2) is connected to an output shaft of the first motor (5), an inner barrel (7) is arranged in the barrel body (1), the upper end of the inner barrel (7) extends into the grading bin (2), a material settling channel (8) is formed by the inner barrel body (7) and the inner wall of the barrel body (1), an annular through hole (9) is formed in the conical wall at the lower part of the grading bin (2), a, the lower end of the annular through hole (9) is connected with an annular powder collecting groove (11), and the powder collecting groove (11) is connected with a second feeding pipe (12).

2. The high-efficiency grinding device for carbon black production according to claim 1, characterized in that: the height of the bottom of the powder collecting groove (11) at one end symmetrical to the second feeding pipe (12) is greater than that of the bottom of the connecting part of the powder collecting groove and the second feeding pipe (12), and the height of the bottom of the powder collecting groove is gradually reduced along the powder collecting groove (11).

3. The high-efficiency grinding device for carbon black production according to claim 1, characterized in that: the inner cylinder (7) is composed of a lower vertical section (71) and an upper conical section (72), and the lower conical surface of the grading impeller () is positioned in an upper end opening of the upper conical section.

4. The high-efficiency grinding device for carbon black production according to claim 3, characterized in that: the inner wall of the lower vertical section (71) is provided with a plurality of vertically arranged air deflectors (13), the outer wall of the lower vertical section (71) is provided with an annular sliding groove (14), the inner wall of the barrel body (1) is provided with a sliding block (15), and the sliding block (15) is located in the sliding groove (14) and can slide along the sliding groove (14).

5. The high-efficiency grinding device for carbon black production according to claim 1, characterized in that: grind mechanism including fixing mill (16) on barrel (1) lower extreme inside wall, the middle part of mill (16) is rotated and is installed pivot (17), the upper end of pivot (17) is equipped with fixed roll frame (18), ring distribution has a plurality ofly on fixed roll frame (18) with fixed roll frame articulated pendulum rod (19), the lower extreme of pendulum rod (19) rotates and is connected with grinding roller (20), grinding roller (20) can roll on the interior rampart of mill (16), the lower part lateral wall of the pivot (17) that indicates is equipped with scraper knife rest (21), be equipped with scraper knife (22) on scraper knife rest (21), pivot (17) are relative mill (16) rotate and to drive scraper knife (22) shovel the material on the mill (16) bottom plate.

6. The high-efficiency grinding device for carbon black production according to claim 5, characterized in that: the side wall of the barrel (1) is positioned above the grinding disc (16) and is provided with a feed inlet (24), and an air inlet (25) is arranged outside the barrel (1) and positioned outside the grinding disc (16).