阅读说明：本技术 一种将混焦筛选成中焦、焦粒和焦丁的装置及其实现方法 (Device for screening mixed coke into medium coke, coke particles and coke pieces and implementation method thereof ) 是由 李栋柱 王敏 张海峰 张广金 张志国 于 2021-08-02 设计创作，主要内容包括：本发明公开了一种将混焦筛选成中焦、焦粒和焦丁的装置及其实现方法,包括滚筒机架、与滚筒机架相固接的滚筒筛,滚筒筛包括固定筒、筛网与驱动电机,筛网与固定筒相转动连接,驱动电机的动力输出端连接有螺纹转动轴,螺纹转动轴与固定筒相转动连接,固定筒的高端连接有进料斗,滚筒筛的左侧设置有皮带机,皮带机的输出端与进料斗相连接,筛网包括焦丁筛网段、焦粒筛网段与中焦筛网段,本发明设计结构合理,在焦棚原有破碎系统基础上调研市场,增设滚筒筛,混焦进入滚筒筛后,一方面随着滚筒筛转动而从下方筛选,一方面粒度大的焦炭沿着滚筒的斜度向前流动,通过不同网目的筛网逐渐被筛出。(The invention discloses a device for screening mixed coke into medium coke, coke particles and coke cubes and a realization method thereof, the device comprises a roller frame and a roller screen fixedly connected with the roller frame, the roller screen comprises a fixed cylinder, a screen and a driving motor, the screen is rotatably connected with the fixed cylinder, the power output end of the driving motor is connected with a threaded rotating shaft, the threaded rotating shaft is rotatably connected with the fixed cylinder, the high end of the fixed cylinder is connected with a feed hopper, the left side of the roller screen is provided with a belt conveyor, the output end of the belt conveyor is connected with the feed hopper, the screen comprises a coke cube screen segment, a coke particle screen segment and a medium coke screen segment, the design structure of the device is reasonable, the market is researched on the basis of the original crushing system of a coke shed, the roller screen is additionally arranged, after the mixed coke enters the roller screen, on the one hand, the mixed coke is screened from the lower side along with the rotation of the roller screen, on the other hand, the coke with large particle size flows forwards along the inclination of the roller, are gradually screened out through screens of different meshes.)

1. The utility model provides a device that will mix burnt screening and become well burnt, burnt grain and diced coke, includes cylinder frame (2), trommel (1) of looks rigid coupling with cylinder frame (2), its characterized in that: the rotary screen (1) comprises a fixed cylinder (6), a screen (18) and a driving motor (16), the screen (18) is rotatably connected with the fixed cylinder (6), the power output end of the driving motor (16) is connected with a threaded rotating shaft (17), the threaded rotating shaft (17) is rotatably connected with the fixed cylinder (6), the high end of the fixed cylinder (6) is connected with a feed hopper (9), the left side of the rotary screen (1) is provided with a belt conveyor (8), the output end of the belt conveyor (8) is connected with the feed hopper (9), the screen (18) comprises a coke screening segment (3), a coke granule screening segment (4) and a medium coke screening segment (5), the joints of the adjacent two ends of the coke screening segment (3), the coke granule screening segment (4) and the medium coke screening segment (5) are respectively provided with a fixed metal ring (20), and the inner cavity of the fixed metal ring (20) is provided with a plurality of supports (24), the coke particle screening device is characterized in that a circular fixing block (27) is connected to the intersection of the support (24), the center of an inner cavity of the circular fixing block (27) is rotatably connected with the threaded rotating shaft (17), and a coke particle funnel (10), a coke particle funnel (11) and a medium coke funnel (12) are respectively arranged on the fixed cylinders (6) corresponding to the lower portions of the coke particle screening segment (3), the coke particle screening segment (4) and the medium coke screening segment (5).

2. The apparatus for screening mixed coke into medium coke, coke particles and coke cubes of claim 1, wherein: each fixed metal ring (20) is provided with a baffle ring (19) between the fixed cylinder (6), and the fixed metal rings (20) and the baffle rings (19) are rotationally connected with each other.

3. The apparatus for screening mixed coke into medium coke, coke particles and coke cubes of claim 1, wherein: each support (24) is sleeved with a counterweight ring (25) in a sliding manner.

4. The apparatus for screening mixed coke into medium coke, coke particles and coke cubes of claim 1, wherein: the screen mesh of the coke T screen mesh section (3) is a steel wire screen mesh with 1mm thick and thin 10mm screen meshes.

5. The apparatus for screening mixed coke into medium coke, coke particles and coke cubes of claim 1, wherein: the included angle between the drum screen 1 and the horizontal plane is 15 degrees.

6. The apparatus for screening mixed coke into medium coke, coke particles and coke cubes of claim 1, wherein: the coke bucket hopper (10), the coke grain hopper (11) and the middle coke hopper (12) are respectively provided with a coke bucket belt conveyor (13), a coke grain belt conveyor (14) and a middle coke belt conveyor (15) below.

7. The apparatus for screening mixed coke into medium coke, coke particles and coke cubes of claim 1, wherein: the rigid coupling has guide bar (22) between the lateral wall about fixed cylinder (6), guide bar (22) sliding connection has three sliding block (21), and three sliding block (21) respectively with burnt butyl screen section (3), burnt grain screen section (4) and well burnt screen section (5) in screw axis of rotation (17) looks sliding connection, the bottom rigid coupling of sliding block (21) has puddler (23), centers on set up ring through groove (26) on circular fixed block (27) in the screw axis of rotation (17) outside, and the inner chamber that the ring leads to groove (26) rotates with guide bar (22) mutually and is connected.

8. A method for realizing the device for screening the mixed coke into the medium coke, the coke particles and the coke cubes as in any one of claims 1 to 7, when in use, the coke mixing end is poured into the material receiving hopper (7) by a forklift, the mixed coke enters the material receiving hopper (9) through the belt conveyor (8) below the material receiving hopper (7), the mixed coke particles entering the material receiving hopper (9) enter the screen (18), the driving motor (16) is started, the driving motor (16) drives the threaded rotating shaft (17), the threaded rotating shaft (17) is fixedly connected with the screen (18) through the support (24), therefore, the threaded rotating shaft (17) drives the screen (18) to rotate, the mixed coke particles entering the screen (18) respectively pass through the coke cube screen segment (3), the coke particle screen segment (4) and the medium coke screen segment (5) in sequence, the coke cubes smaller than 10mm are screened by the coke cube screen (3) and enter the coke cube funnel (10), the coke particles smaller than 25mm enter the coke particle screen section (4) for screening and enter the coke particle funnel (11), and the coke particles larger than 25mm enter the medium coke screen section (5) for screening and enter the medium coke funnel (12), so that the screening of different coke particles is completed.

Technical Field

The invention relates to the technical field of screening devices, in particular to a device for screening mixed coke into medium coke, coke particles and coke cubes.

Background

At present, 3000 tons of mixed coke are produced by a coking plant every month, about 4% of coke particles and 1% of medium coke are contained in the mixed coke, and because the ratio of the mixed coke to the medium coke is large and the water content of the mixed coke is large, the existing crushing and screening system cannot be utilized to separate the mixed coke from the medium coke, the coke particles and the medium coke, so that a device for screening the mixed coke into the medium coke, the coke particles and the medium coke is required to be designed.

Disclosure of Invention

The invention aims to provide a device for screening mixed coke into medium coke, coke particles and coke cubes, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a device for screening mixed coke into medium coke, coke particles and coke pieces comprises a roller frame and a roller screen fixedly connected with the roller frame, wherein the roller screen comprises a fixed cylinder, a screen and a driving motor, the screen is rotatably connected with the fixed cylinder, the power output end of the driving motor is connected with a threaded rotating shaft, the threaded rotating shaft is rotatably connected with the fixed cylinder, the high end of the fixed cylinder is connected with a feed hopper, the left side of the roller screen is provided with a belt conveyor, the output end of the belt conveyor is connected with the feed hopper, the screen comprises a coke particle screen segment, a coke particle screen segment and a medium coke screen segment, the junctions of the coke particle screen segment, the coke particle screen segment and the adjacent two ends of the medium coke screen segment are respectively provided with a fixed metal ring, the inner cavity of the fixed metal ring is provided with a plurality of supports, the junctions of the plurality of supports are connected with a circular fixed block, and the center of the inner cavity of the circular fixed block is rotatably connected with the threaded rotating shaft, and a coke T funnel, a coke particle funnel and a medium coke funnel are respectively arranged on the fixed cylinders corresponding to the lower parts of the coke T screen section, the coke particle screen section and the medium coke screen section.

Preferably, a retaining ring is arranged between each fixed metal ring and the fixed cylinder, and the fixed metal rings and the retaining rings are rotatably connected.

Preferably, a counterweight ring is sleeved on each support in a sliding manner.

Preferably, the screen mesh of the coke screen section is a steel wire screen mesh with 1mm thickness and 10mm screen holes.

Preferably, the included angle between the drum screen and the horizontal plane is 15 degrees.

Preferably, a coke butyl belt conveyor, a coke grain belt conveyor and a medium coke belt conveyor are respectively arranged below the coke butyl hopper, the coke grain hopper and the medium coke hopper.

Preferably, the rigid coupling has the guide bar between the lateral wall about the fixed cylinder, guide bar sliding connection has three sliding block, and three sliding block respectively with the thread rotation axle sliding connection in nut sieve section, burnt grain sieve section and the well burnt sieve section, the bottom rigid coupling of sliding block has the puddler, centers on set up the logical groove of ring on the circular fixed block in the thread rotation axis outside, and the inner chamber that the logical groove of ring is connected with the guide bar looks rotation.

Compared with the prior art, the invention has the beneficial effects that:

the device for screening the mixed coke into the medium coke, the coke particles and the coke pieces screens the mixed coke particles through the three-section screen mesh provided with the coke piece screen mesh section, the coke particle screen mesh section and the medium coke screen mesh section, after the mixed coke enters the drum screen, on one hand, the mixed coke is screened from the lower part along with the rotation of the drum screen, on the other hand, the coke with large particle size flows forwards along the inclination of the drum and is gradually screened out through the screen meshes with different meshes, and thus the coke pieces, the coke particles and the medium coke are screened.

Secondly, the device for screening the mixed coke into the medium coke, the coke particles and the coke cubes utilizes the impact force of the counterweight ring to make the rotary screen vibrate, on one hand, the impact force of the counterweight ring can make the medium screened coke particles on the screen mesh quickly penetrate, and on the other hand, the possibility of screen mesh blockage can be reduced.

Thirdly, the device for screening the mixed coke into the medium coke, the coke particles and the coke pieces forms a sliding structure through the threaded rotating shaft, the sliding block and the guide rod, the sliding mechanism is utilized to drive the sliding block to move, the sliding block drives the stirring rod to move, the stirring rod and the screen cloth do relative motion because the sliding block does not rotate, and the stirring rod moves up and down along with the sliding block, so that the mixed coke particles in the screen cloth are stirred, on one hand, the accumulation of the mixed coke particles can be reduced, the mixed coke particles accumulated together are separated, the mixed coke particles are fully separated and screened, the phenomenon that the small-particle coke particles are keyed into the next stage is reduced, the screening effect of the mixed coke particles is improved, and on the other hand, the possibility that the screen cloth is blocked can also be reduced.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the trommel of the present invention;

FIG. 3 is a side view of a trommel of the present invention;

FIG. 4 is a schematic diagram of the construction of a screen panel of the present invention;

in the figure, 1, a drum screen; 2. a drum frame; 3. a nut sieve section; 4. a coke particle screen section; 5. a medium coke screening section; 6. a fixed cylinder; 7. a material receiving hopper; 8. a belt conveyor; 9. a feed hopper; 10. a nut coke funnel; 11. a scorched particle hopper; 12. a medium coke hopper; 13. a belt conveyor for coke; 14. a coke particle belt conveyor; 15. a medium coke belt conveyor; 16. a drive motor; 17. a threaded rotating shaft; 18. screening a screen; 19. a baffle ring; 20. fixing a metal ring; 21. a slider; 22. a guide bar; 23. a stirring rod; 24. supporting; 25. a counterweight ring; 26. a circular through groove; 27. and a round fixing block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is provided.

As shown in fig. 1-4, in this embodiment, a device for screening mixed coke into medium coke, coke particles and coke breeze comprises a roller frame 2, a roller screen 1 fixedly connected with the roller frame 2, the roller screen 1 has a length of 6 m and a diameter of 2 m, and is suitable for screening mixed coke particles, the roller screen 1 comprises a fixed cylinder 6, a screen 18 and a driving motor 16, the screen 18 is rotatably connected with the fixed cylinder 6, a power output end of the driving motor 16 is connected with a threaded rotating shaft 17, the threaded rotating shaft 17 is rotatably connected with the fixed cylinder 6, a high end of the fixed cylinder 6 is connected with a feed hopper 9, a belt conveyor 8 is arranged on the left side of the roller screen 1, an output end of the belt conveyor 8 is connected with the feed hopper 9, the screen 18 comprises a coke breeze screen segment 3, a coke particle screen segment 4 and a medium coke screen segment 5, fixed metal rings 20 are arranged at the junctions of the coke breeze screen segment 3, the coke particle screen segment 4 and the medium coke screen segment 5, the inner cavity of the fixed metal ring 20 is provided with a plurality of supports 24, the intersection of the plurality of supports 24 is connected with a circular fixed block 27, the center of the inner cavity of the circular fixed block 27 is rotatably connected with the threaded rotating shaft 17, and a coke particle funnel 10, a coke particle funnel 11 and a medium coke funnel 12 are respectively arranged on the fixed cylinders 6 corresponding to the lower parts of the coke particle screen section 3, the coke particle screen section 4 and the medium coke screen section 5.

It will be appreciated that the number of supports 24 in this application may be three, or 8 or more, and that the stability of the screen 18 is better and the strength is higher as the number of supports 24 is increased.

When the coke mixing device is used, a coke mixing end is poured into the material receiving hopper 7 through a forklift, the coke mixing enters the material receiving hopper 9 through a belt conveyor 8 below the material receiving hopper 7, mixed coke particles entering the material receiving hopper 9 enter the screen 18, the driving motor 16 is started, the driving motor 16 drives the threaded rotating shaft 17, the threaded rotating shaft 17 is fixedly connected with the screen 18 through the support 24, therefore, the threaded rotating shaft 17 drives the screen 18 to rotate, the mixed coke particles entering the screen 18 respectively sequentially pass through the coke particle screen section 3, the coke particle screen section 4 and the medium coke screen section 5, coke particles smaller than 10mm are screened by the coke particle screen section 3 and enter the coke particle funnel 10, coke particles smaller than 25mm enter the coke particle screen section 4 and enter the coke particle funnel 11, and coke particles larger than 25mm enter the medium coke particle screen section 5 and enter the medium coke particle 12, and therefore screening of different coke particles is completed.

Specifically, oversize products passing through the second section 5 of the drum screen enter a funnel 10 and enter a belt conveyor 11, and the medium coke enters a medium coke pile.

Further, as shown in fig. 2-3, a retaining ring 19 is arranged between each fixed metal ring 20 and the fixed cylinder 6, the fixed metal rings 20 and the retaining rings 19 are rotatably connected with each other, and the fixed cylinder 6 is divided into three different closed areas by the retaining rings 19, so that the unicity of coke particle separation in the areas of the coke t screen section 3, the coke particle screen section 4 and the medium coke screen section 5 is ensured, and the screening effect is improved.

Further, as shown in fig. 3 to 4, a counterweight ring 25 is slidably sleeved on each support 24, the screen mesh 18 and the threaded rotating shaft 17 are knocked and impacted by the gravity of the counterweight ring 25, the impact force of the counterweight ring 25 is used for vibrating the trommel screen 1, on one hand, the impact force of the counterweight ring 25 can enable the medium-sized coke particles in the screen mesh 18 to quickly penetrate through, and on the other hand, the possibility of blocking of the screen mesh 18 can be reduced.

Further, as shown in fig. 4, the screen mesh of the coke screening section 3 is a steel wire screen mesh with a mesh of 10mm and a thickness of 1mm, so that the coke can be better screened out in the coke screening section 3.

Further, as shown in fig. 1, the included angle between the drum screen 1 and the horizontal plane is 15 degrees, so that the mixed coke can be conveniently screened and advanced in the drum screen 1, and the screening effect is improved.

Further, as shown in fig. 1, a coke t belt conveyor 13, a coke particle belt conveyor 14 and a medium coke belt conveyor 15 are respectively arranged below the coke t hopper 10, the coke particle hopper 11 and the medium coke hopper 12, so that coke particles with different sizes can be automatically collected and transported conveniently.

Further, as shown in fig. 2-3, a guide rod 22 is fixedly connected between the left and right side walls of the fixed cylinder 6, the guide rod 22 is slidably connected with three sliding blocks 21, the three sliding blocks 21 are respectively slidably connected with the threaded rotating shafts 17 in the nut sieve section 3, the nut sieve section 4 and the middle nut sieve section 5, the bottom of the sliding block 21 is fixedly connected with a stirring rod 23, a circular through groove 26 is formed on a circular fixed block 27 surrounding the threaded rotating shaft 17, the inner cavity of the circular through groove 26 is rotatably connected with the guide rod 22, the sliding block 21 is driven by the rotation of the threaded rotating shaft 17 to slide up and down along the guide rod 22, the sliding block 21 drives the stirring rod 23 to move, the sliding block 21 cannot rotate, so that the stirring rod 23 and the screen 18 move relatively, the stirring rod 23 moves up and down along with the sliding block 21, thereby stirring the coke particles mixed in the screen 18, on the one hand, the accumulation of the mixed coke particles can be reduced, the mixed coke particles can be sufficiently separated and screened, and on the other hand, the possibility of blockage of the screen 18 can also be reduced.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.