CN220048422U - Needle coke raw coke crushing device - Google Patents

Abstract

The utility model relates to the technical field of needle coke production equipment, in particular to a needle coke raw coke crushing device which comprises a feeding hopper, wherein the bottom of the feeding hopper is connected with a crushing mechanism, the crushing mechanism comprises a shell, the top of the shell is fixed with the bottom of the feeding hopper, a driving roller and a driven roller are rotatably connected inside the shell, the driving roller and the driven roller are rotatably connected with the shell through rotating shafts, and a plurality of crushing teeth are fixed on the outer sides of the driving roller and the driven roller. The device cuts the breakage to the raw coke through the broken tooth that the cutting personally submits the awl shape, avoid traditional extrusion breakage to lead to too much burnt powder to produce, through being the broken tooth of equidistance range for the raw coke granule that granularity meets the requirements can be followed and fallen down in the gap, avoids the great raw coke of granularity to fall down simultaneously, through the broken tooth of alternate arrangement, cuts the raw coke repeatedly, makes the raw coke that falls accord with the standard, makes the raw coke granule after the cutting breakage keep even, so that the construction of follow-up procedure.

Description

Needle coke raw coke crushing device

Technical Field

The utility model relates to the technical field of needle coke production equipment, in particular to a needle coke raw coke crushing device.

Background

The needle coke is a main raw material of a graphite electrode, when a graphite electrode enterprise is used for manufacturing a high-power and ultra-high-power electrode with the diameter of more than or equal to 550mm, the particle size requirement for calcining the needle coke is very strict, the content of more than 40% of the calcined raw coke particle size is more than or equal to 8mm, and the requirements are met; the raw coke has a large and small particle size, so that the raw coke must be crushed to a proper particle size by a crusher for use.

Needle Jiao Yanchi coker units process the product needle Jiao Shengjiao, and needle Jiao Shengjiao is hydraulically decoked from the coke drum and then enters the coke storage. In the prior art, the hydraulic power is generally adopted for removing coke, the hydraulic power is adopted for removing the raw coke in the coke tower by using high-pressure water of 25-40MPa, the raw coke can be removed only by virtue of experience of operators due to the influence of factors such as high-pressure water, the internal vision of the coke tower is not easy to observe, the raw coke is uneven in block size, along with the increase of the demand of the market on needle coke, the granularity of the needle Jiao Shengjiao is also valued, the granularity size influences the granularity of the calcined needle coke, so that the strength of a graphite electrode is influenced, the granularity of the raw coke is required to be obtained in the coke tower in the process of producing the needle coke, and the large block and excessive coke powder cannot be produced.

Aiming at the problem that the granularity of the existing raw coke is uneven during crushing, the needle coke raw coke crushing device is provided.

Disclosure of Invention

Aiming at the problem that the granularity of the existing raw coke is uneven during crushing, the utility model provides a needle coke raw coke crushing device.

In order to achieve the above purpose, the technical scheme adopted by the utility model is that the needle coke raw coke crushing device comprises a feeding hopper, the bottom of the feeding hopper is connected with a crushing mechanism, the crushing mechanism comprises a shell, the top of the shell is fixed with the bottom of the feeding hopper, a driving roller and a driven roller are rotatably connected in the shell, the driving roller and the driven roller are rotatably connected with the shell through rotating shafts, a plurality of crushing teeth are fixedly arranged on the outer sides of the driving roller and the driven roller, the crushing teeth on the driving roller and the crushing teeth on the driven roller are distributed at equal intervals in the axial direction, the driving roller and the driven roller are driven to rotate by an external driving device, raw coke is crushed, the raw coke is cut by the crushing teeth with conical cutting ends, the generation of coke powder caused by the traditional crushing mode is avoided, the distance between the driving roller and the crushing teeth on the driven roller is the same through the crushing teeth arranged at equal intervals, raw coke particles meeting the size requirements enter the next procedure, the raw coke particles not meeting the size requirements meet the requirements under the cutting of the crushing teeth, and the produced raw coke particles are ensured to be uniform, and the construction of the subsequent procedure is facilitated.

Further, a gear is arranged on the rotating shaft, the driving roller and the driven roller are in meshed transmission through the gear, and the external driving device drives the driving roller and the driven roller to rotate simultaneously through the gear.

Furthermore, one side of the crushing teeth cut is in a triangular pyramid shape, and the crushing teeth in the triangular pyramid shape are cut, so that the raw coke can be cut and crushed conveniently, and dust generation is reduced.

Further, the bottom of casing is connected with screening mechanism, through screening mechanism, can screen the coking that granularity is too little.

Further, screening mechanism includes the screening shell, and the top and the casing of screening shell are connected, and screening shell slope arrangement for the coke making granule can flow by oneself through the screening shell of slope arrangement.

Further, the inside of screening shell is fixed with the sieve, sieve and screening shell parallel arrangement, and has seted up a plurality of filtration pores on the sieve, and the discharge gate has been seted up to the low end of screening shell, and the discharge gate is run through to the one end of sieve, through the sieve, can sieve the raw coke granule, distinguishes too little granule and dust.

Further, the discharge end of screening shell is less than the feed end, and the discharge end of screening shell is fixed with out the powder pipeline, through going out the powder pipeline, can collect too little granule and dust.

Further, supporting legs for supporting are fixed on the feeding hopper and the screening mechanism, and the whole device is supported through the supporting legs.

The beneficial effects of the utility model are as follows:

the device cuts the breakage to the raw coke through the broken tooth that the cutting personally submits the awl shape, avoid traditional extrusion breakage to lead to too much burnt powder to produce, through being the broken tooth of equidistance range for the raw coke granule that granularity meets the requirements can be followed and fallen down in the gap, avoids the great raw coke of granularity to fall down simultaneously, through the broken tooth of alternate arrangement, cuts the raw coke repeatedly, makes the raw coke that falls accord with the standard, makes the raw coke granule after the cutting breakage keep even, so that the construction of follow-up procedure.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front cross-sectional view of the present utility model.

Fig. 2 is a top cross-sectional view of a drive roll according to the present utility model.

In the figure: 1. feeding a hopper; 2. a crushing mechanism; 3. a screening mechanism; 4. support legs; 21. a housing; 22. a drive roll; 23. driven roller; 24. crushing teeth; 25. a rotating shaft; 31. screening the shell; 32. a sieve plate; 33. and a powder outlet pipeline.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.

As shown in fig. 1-2, in the embodiment, the needle Jiao Shengjiao crushing device provided by the utility model comprises a feeding hopper 1, the bottom of the feeding hopper 1 is connected with a crushing mechanism 2, the crushing mechanism 2 also comprises a shell 21, the top of the shell 21 is fixed with the bottom of the feeding hopper 1, a driving roller 22 and a driven roller 23 are rotatably connected inside the shell 21, the driving roller 22 and the driven roller 23 are rotatably connected with the shell 21 through a rotating shaft 25, a plurality of crushing teeth 24 are fixedly arranged at the outer sides of the driving roller 22 and the driven roller 23, the crushing teeth 24 are axially and equidistantly distributed, one side of each crushing tooth 24 is in a triangular pyramid shape, the crushing teeth 24 in the triangular pyramid shape are cut through the cutting to facilitate cutting and crushing of coke, the generation of dust is reduced, the crushing teeth 24 on the driving roller 22 are alternately arranged with the crushing teeth 24 on the driven roller 23, gears are arranged on the rotating shaft 25, the driving roller 22 and the driven roller 23 are meshed and driven by gears, an external driving device drives the driving roller 22 and the driven roller 23 to rotate simultaneously by the gears, the bottom of the shell 21 is connected with a screening mechanism 3, the too small-granularity raw coke can be screened by the screening mechanism 3, the screening mechanism 3 comprises a screening shell 31, the top of the screening shell 31 is connected with the shell 21, the screening shell 31 is obliquely arranged, the raw coke particles can flow automatically by the obliquely arranged screening shell 31, a screen plate 32 is fixed in the screening shell 31, the screen plate 32 is arranged in parallel with the screening shell 31, a plurality of filtering holes are formed in the screen plate 32, a discharge hole is formed in the lower end of the screening shell 31, one end of the screen plate 32 penetrates through the discharge hole, the raw coke particles can be screened by the screen plate 32, the too small particles and dust are distinguished, the discharge end of the screening shell 31 is lower than the feed end, the discharge end of the screening shell 31 is fixed with a powder outlet pipeline 33, the too small particles and dust can be collected through the powder outlet pipeline 33, supporting legs 4 for supporting are fixed on the feeding hopper 1 and the screening mechanism 3, the whole device is supported through the supporting legs 4, the driving roller 22 and the driven roller 23 are driven to rotate through an external driving device to crush the raw coke, the crushing teeth 24 with triangular pyramid shapes at the cutting ends are used for cutting the raw coke, excessive coke powder is prevented from being generated in a traditional crushing mode, the distance between the crushing teeth 24 on the driving roller 22 and the driven roller 23 is the same through the crushing teeth 24 which are arranged at equal intervals, the raw coke particles which do not meet the size requirement enter the next procedure, the raw coke particles which do not meet the size requirement meet the requirement under the cutting of the crushing teeth 24, and the produced raw coke particles are ensured to be even, so that the construction of the subsequent procedure is convenient.

The working principle of the needle Jiao Shengjiao crushing device is as follows:

firstly, raw coke is put into a feeding hopper 1, enters a crushing mechanism 2 through the feeding hopper 1, is cut inside the crushing mechanism 2 through crushing teeth 24 on a driving roller 22 and a driven roller 23, so that particles after raw coke cutting are kept consistent, the cut raw coke particles fall into a screening mechanism 3, and the screening mechanism 3 screens the raw coke particles, so that the too small particles and raw coke dust are separated, and the uniformity and consistency of the raw coke particles in subsequent construction are ensured.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The utility model provides a needle coke raw coke breaker, including feeding hopper (1), its characterized in that, the bottom of feeding hopper (1) is connected with crushing mechanism (2), crushing mechanism (2) are fixed with the bottom of feeding hopper (1) including casing (21), the top of casing (21), the inside rotation of casing (21) is connected with drive roll (22) and driven voller (23), drive roll (22) and driven voller (23) are all connected with casing (21) rotation through pivot (25), the outside of drive roll (22) and driven voller (23) all is fixed with a plurality of crushing tooth (24), a plurality of crushing tooth (24) are axial equidistance and distribute, crushing tooth (24) on drive roll (22) are alternate arrangement with crushing tooth (24) on driven voller (23).

2. Needle Jiao Shengjiao crushing device according to claim 1, characterized in that the shaft (25) is provided with a gear, and the driving roller (22) and the driven roller (23) are driven by gear engagement.

3. Needle Jiao Shengjiao crushing device according to claim 1, characterized in that the side of the crushing teeth (24) cut is in the shape of a triangular pyramid.

4. Needle Jiao Shengjiao crushing device according to claim 1, characterised in that the bottom of the casing (21) is connected with a screening means (3).

5. Needle Jiao Shengjiao crushing device according to claim 4, characterized in that the screening means (3) comprises a screening housing (31), the top of the screening housing (31) being connected to the casing (21) and the screening housing (31) being arranged obliquely.

6. The needle Jiao Shengjiao crushing device according to claim 5, wherein a screen plate (32) is fixed inside the screening shell (31), the screen plate (32) is arranged in parallel with the screening shell (31), a plurality of filtering holes are formed in the screen plate (32), a discharge hole is formed in the lower end of the screening shell (31), and one end of the screen plate (32) penetrates through the discharge hole.

7. Needle Jiao Shengjiao crushing device according to claim 5, characterized in that the discharge end of the sieving shell (31) is lower than the feed end, and that the discharge end of the sieving shell (31) is fixed with a powder outlet pipe (33).

8. Needle Jiao Shengjiao crushing device according to claim 1 or 4, characterized in that the supporting legs (4) for supporting are fixed to both the loading hopper (1) and the screening means (3).