CN217368663U - Improve breaker of needle coke granularity - Google Patents
Improve breaker of needle coke granularity Download PDFInfo
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- CN217368663U CN217368663U CN202220028576.9U CN202220028576U CN217368663U CN 217368663 U CN217368663 U CN 217368663U CN 202220028576 U CN202220028576 U CN 202220028576U CN 217368663 U CN217368663 U CN 217368663U
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Abstract
The utility model provides an improve breaker of needle coke granularity, including one-level screening system, first breaker, second grade screening system, second breaker and forge preceding storehouse. The utility model discloses screening needle coke raw materials earlier, carrying out primary crushing to the lump material, then carrying out secondary screening, carry out secondary crushing to the coarse fodder. The utility model can make the needle coke uniform in granularity by graded crushing, avoid the granularity from being too fine due to repeated crushing of fine materials during mixed crushing, effectively ensure the granularity of the needle coke, and further ensure the granularity of the needle coke after calcination; secondly, the needle coke is firstly screened, the needle coke with small specification directly enters the next procedure, and the lump material with large specification enters a crusher for crushing, so that the crushing efficiency is improved; in addition, the crushing teeth of the crusher are blade type crushing teeth, so that the needle coke is cut and crushed in the crushing process, the coke breeze amount is greatly reduced, and the crushing loss is reduced while the granularity of the needle coke is ensured.
Description
Technical Field
The utility model relates to a chemistry chemical industry equipment technical field specifically, relates to an improve breaker of needle coke granularity.
Background
The needle coke is a high-quality raw material for producing the ultrahigh-power graphite electrode, the granularity of a needle coke product is an important index for evaluating the quality of the product, particularly, when the ultrahigh-power graphite electrode is produced, the requirement of a manufacturer on the granularity is particularly strict, and the granularity of the needle coke directly influences the size and the quality of the produced graphite electrode.
In the process of producing the needle coke, calcination is an indispensable procedure, in the process of calcining the needle coke, a rotary kiln is necessary equipment, the needle coke needs to be crushed before entering the rotary kiln again due to the limitation of the rotary kiln, certain coke breeze is generated in the crushing process, the particle size of the needle coke is influenced, and the value of the needle coke is also influenced. Therefore, how to control the generation amount of the coke breeze becomes a great problem for various needle coke production enterprises at present.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing a improve breaker of needle coke granularity, the broken granularity of control needle coke guarantees the likepowder burnt volume of reducing as far as in the needle coke crushing process to improve the value of needle coke.
The utility model provides an improve breaker of needle coke granularity, including one-level screening system, first breaker, second grade screening system, second breaker and forge preceding storehouse, second breaker top is located to first breaker, and storehouse top, wherein before forging is located to the second breaker:
the primary screening system comprises a first vibrating screen which is obliquely arranged, a coarse material guide groove is connected below the first vibrating screen, a coarse material feed opening is connected below the coarse material guide groove, the coarse material feed opening is connected with a coarse material feed chute, and the lower end of the first vibrating screen is connected with a lump material discharge opening;
the feeding port of the first crusher is communicated with the lump material discharging port, and the discharging port of the first crusher is communicated with the coarse material discharging chute;
the secondary screening system comprises a second vibrating screen which is obliquely arranged, the second vibrating screen is communicated with the coarse material feeding chute, a fine material guide groove is connected below the second vibrating screen, a fine material feeding port is connected below the fine material guide groove, the fine material feeding port is connected with the fine material feeding chute, and the lower end of the second vibrating screen is connected with the coarse material discharging port;
the feeding port of the second crusher is communicated with the coarse material discharging port, and the discharging port of the second crusher is communicated with the fine material discharging chute;
the pre-calcining bin is communicated with a fine material discharging chute.
Preferably, the discharge ends of the first vibrating screen and the second vibrating screen are inclined downwards by 5-15 degrees.
Preferably, the first crusher comprises a first crushing box body, a group of first rotating shafts are arranged in the first crushing box body, a first crushing rotating roller is arranged on the first rotating shafts, a plurality of first crushing knives are arranged on the surface of the first crushing rotating roller, and cutting edges of the first crushing knives are arranged in parallel with the first rotating shafts.
Preferably, the second crusher comprises a second crushing box body, a group of second rotating shafts are arranged in the second crushing box body, a second crushing roller is arranged on the second rotating shafts, a plurality of second crushing knives are arranged on the surface of the second crushing roller, and cutting edges of the second crushing knives are arranged in parallel with the second rotating shafts.
Preferably, the mesh opening of the first vibrating screen is 200mm, and the mesh opening of the second vibrating screen is 70 mm.
The utility model discloses a theory of operation: needle coke raw materials enter a primary screening system firstly, lump materials larger than 200m enter a first crusher through a lump material discharge port after screening, the lump materials are crushed to form coarse materials, and needle coke smaller than 200mm directly enters a coarse material discharging chute and enters a secondary screening system together with the crushed coarse materials. And the coarse material enters a secondary screening system, the screened coarse material with the size larger than 70mm enters a second crusher through a coarse material discharge port to be crushed into fine material, and the needle coke with the size smaller than 70mm directly enters a fine material discharging chute and enters a pre-calcining bin together with the crushed fine material to serve as a calcined raw material. The utility model discloses earlier carry out the primary screening with needle coke raw materials, carry out primary crushing to the lump material, then carry out the secondary screening, carry out the secondary crushing to the coarse fodder.
The utility model has the advantages that:
(1) the needle coke can be uniform in granularity through graded crushing, the situation that the granularity is too fine due to repeated crushing of fine materials during mixed crushing is avoided, the granularity of the needle coke is effectively guaranteed, and the granularity of the calcined needle coke is further guaranteed;
(2) needle coke enters the vibrating screen before entering the crusher, needle coke with small specification directly enters the next procedure together with crushed material through the blanking chute, and only lump material with large specification enters the crusher for crushing, so that the crushing efficiency is improved;
(3) the broken tooth of breaker is the broken tooth of blade formula for the needle coke is for cutting the breakage in crushing process, under drive gear's high-speed drive, cuts the needle coke into the cubic of needs size, and the powder coke volume that has significantly reduced has reduced broken loss when having ensured the needle coke granularity.
Drawings
FIG. 1 is a perspective view of the crushing apparatus for increasing the particle size of needle coke according to the present invention;
fig. 2 is the front view of the crushing device for improving the granularity of needle coke.
In the figure:
the device comprises a primary screening system 1, a first vibrating screen 11, a coarse material guide chute 12, a coarse material feed opening 13, a coarse material feed chute 14 and a lump material discharge opening 15; a first crusher 2, a first crushing box body 21, a first rotating shaft 22, a first crushing rotating roller 23 and a first crushing cutter 24; the secondary screening system 3, a second vibrating screen 31, a fine material guide chute 32, a fine material feed opening 33, a fine material feed chute 34 and a coarse material discharge opening 35; a second crusher 4, a second crushing box 41, a second rotating shaft 42, a second crushing roller 43 and a second crushing knife 44; and 5, a pre-calcining bin.
Detailed Description
In order to make the technical solution of the present invention easier to understand, the mode of the specific embodiment is now adopted in conjunction with the drawings, and the technical solution of the present invention is clearly and completely described.
Example 1:
as shown in fig. 1 and fig. 2, the crushing device for improving the needle coke granularity of the embodiment includes a primary screening system 1, a first crusher 2, a secondary screening system 3, a second crusher 4 and a pre-calcining bin 5, wherein the first crusher 2 is arranged above the second crusher 4, and the second crusher 4 is arranged above the pre-calcining bin 5, wherein:
the primary screening system 1 comprises a first vibrating screen 11 which is obliquely arranged, a coarse material guide groove 12 is connected below the first vibrating screen 11, a coarse material feed opening 13 is connected below the coarse material guide groove 12, the coarse material feed opening 13 is connected with a coarse material feed chute 14, and the lower end of the first vibrating screen 11 is connected with a lump material discharge opening 15;
the feeding port of the first crusher 2 is communicated with a lump material discharging port 15, and the discharging port of the first crusher 2 is communicated with a coarse material discharging chute 14;
the secondary screening system 3 comprises a second vibrating screen 31 which is obliquely arranged, the second vibrating screen 31 is communicated with the coarse material discharging chute 14, a fine material guide chute 32 is connected below the second vibrating screen 31, a fine material discharging port 33 is connected below the fine material guide chute 32, the fine material discharging port 33 is connected with the fine material discharging chute 34, and the lower end of the second vibrating screen 31 is connected with the coarse material discharging port 35;
the feeding port of the second crusher 4 is communicated with the coarse material discharging port 35, and the discharging port of the second crusher 4 is communicated with the fine material discharging chute 34;
the pre-calcining bin 5 is communicated with a fine material blanking chute 34.
Example 2:
as shown in fig. 1 and fig. 2, the crushing device for improving the needle coke granularity of the embodiment includes a primary screening system 1, a first crusher 2, a secondary screening system 3, a second crusher 4 and a pre-calcining bin 5, wherein the first crusher 2 is arranged above the second crusher 4, and the second crusher 4 is arranged above the pre-calcining bin 5, wherein:
the primary screening system 1 comprises a first vibrating screen 11 which is obliquely arranged, a coarse material guide groove 12 is connected below the first vibrating screen 11, a coarse material feed opening 13 is connected below the coarse material guide groove 12, the coarse material feed opening 13 is connected with a coarse material feed chute 14, and the lower end of the first vibrating screen 11 is connected with a lump material discharge opening 15;
the feeding port of the first crusher 2 is communicated with a lump material discharging port 15, and the discharging port of the first crusher 2 is communicated with a coarse material discharging chute 14;
the secondary screening system 3 comprises a second vibrating screen 31 which is obliquely arranged, the second vibrating screen 31 is communicated with the coarse material discharging chute 14, a fine material guide groove 32 is connected below the second vibrating screen 31, a fine material discharging port 33 is connected below the fine material guide groove 32, the fine material discharging port 33 is connected with the fine material discharging chute 34, and the lower end of the second vibrating screen 31 is connected with a coarse material discharging port 35;
the feeding port of the second crusher 4 is communicated with the coarse material discharging port 35, and the discharging port of the second crusher 4 is communicated with the fine material discharging chute 34;
the pre-calcining bin 5 is communicated with a fine material blanking chute 34.
The discharge ends of the first vibrating screen 11 and the second vibrating screen 31 incline downwards by 5-15 degrees.
The second crusher 4 comprises a second crushing box 41, a group of second rotating shafts 42 is arranged in the second crushing box 41, second crushing rotating rollers 43 are arranged on the second rotating shafts 42, a plurality of second crushing knives 44 are arranged on the surfaces of the second crushing rotating rollers 43, and cutting edges of the second crushing knives 44 are parallel to the second rotating shafts 42.
The mesh aperture of the first vibrating screen 11 is 200mm, and the mesh aperture of the second vibrating screen 31 is 70 mm.
Continuous 8 tower needle-like burnt utilization to production the utility model discloses a breaker carries out breakage and utilizes traditional breaker breakage, measures the powder coke rate and carries out crushing effect to table 1 for example. From table 1 result, utilize the utility model discloses an improve breaker of needle coke granularity, carry out the breakage to the needle coke raw materials, reduced the powder coke rate greatly, the effectual granularity of having guaranteed the needle coke when broken, further guaranteed the granularity of calcining back needle coke.
Table 1: comparison of crushing Effect
| Serial number | Conventional coke rate% | First coke rate% | Second coke rate% | Total coke breeze rate% |
| |
15～20 | 2.2 | 3.1 | 5.3 |
| |
15～20 | 2.1 | 2.9 | 5.0 |
| |
15～20 | 2.5 | 3.4 | 5.9 |
| The |
15～20 | 2.1 | 3.1 | 5.2 |
| The |
15～20 | 2.4 | 3.6 | 6.0 |
| |
15～20 | 2.6 | 3.4 | 6.0 |
| |
15～20 | 2.1 | 3.1 | 5.2 |
| |
15～20 | 2.2 | 3.2 | 5.4 |
It should be noted that the embodiments described herein are only some of the embodiments of the present invention, not all implementations of the present invention, and the embodiments are only exemplary, and only serve to provide a more intuitive and clear way to understand the contents of the present invention, but not to limit the technical solutions of the present invention. Without departing from the concept of the present invention, all the ordinary skilled in the art can think of other embodiments without creative efforts, and other to the simple replacement and various changes of the technical solution of the present invention belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides an improve breaker of needle coke granularity, its characterized in that, includes one-level screening system (1), first breaker (2), second grade screening system (3), second breaker (4) and forge preceding storehouse (5), second breaker (4) top is located in first breaker (2), and storehouse (5) top before forging is located in second breaker (4), wherein:
the primary screening system (1) comprises a first vibrating screen (11) which is obliquely arranged, a coarse material guide groove (12) is connected below the first vibrating screen (11), a coarse material feed opening (13) is connected below the coarse material guide groove (12), the coarse material feed opening (13) is connected with a coarse material feed chute (14), and the lower end of the first vibrating screen (11) is connected with a lump material discharge opening (15);
a feeding port of the first crusher (2) is communicated with a lump material discharging port (15), and a discharging port of the first crusher (2) is communicated with a coarse material discharging chute (14);
the secondary screening system (3) comprises a second vibrating screen (31) which is obliquely arranged, the second vibrating screen (31) is communicated with the coarse material discharging chute (14), a fine material guide groove (32) is connected below the second vibrating screen (31), a fine material discharging opening (33) is connected below the fine material guide groove (32), the fine material discharging opening (33) is connected with the fine material discharging chute (34), and the lower end of the second vibrating screen (31) is connected with the coarse material discharging opening (35);
a feeding port of the second crusher (4) is communicated with a coarse material discharging port (35), and a discharging port of the second crusher (4) is communicated with a fine material discharging chute (34);
the pre-calcining bin (5) is communicated with a fine material discharging chute (34).
2. The needle coke granulometry enhancing crushing apparatus according to claim 1, wherein the discharge ends of the first vibrating screen (11) and the second vibrating screen (31) are inclined downward by 5 to 15 °.
3. The crushing device for improving the granularity of needle coke according to claim 1, wherein the first crusher (2) comprises a first crushing box body (21), a group of first rotating shafts (22) is arranged in the first crushing box body (21), a first crushing roller (23) is arranged on the first rotating shafts (22), a plurality of first crushing knives (24) are arranged on the surface of the first crushing roller (23), and the cutting edges of the first crushing knives (24) are arranged in parallel with the first rotating shafts (22).
4. The crushing device for improving the granularity of needle coke according to claim 1, wherein the second crusher (4) comprises a second crushing box body (41), a group of second rotating shafts (42) is arranged in the second crushing box body (41), a second crushing roller (43) is arranged on the second rotating shafts (42), a plurality of second crushing knives (44) are arranged on the surface of the second crushing roller (43), and the cutting edges of the second crushing knives (44) are arranged in parallel with the second rotating shafts (42).
5. The needle coke particle size-increasing crushing apparatus according to claim 1, wherein the first vibrating screen (11) has a mesh size of 200mm, and the second vibrating screen (31) has a mesh size of 70 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220028576.9U CN217368663U (en) | 2022-01-06 | 2022-01-06 | Improve breaker of needle coke granularity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220028576.9U CN217368663U (en) | 2022-01-06 | 2022-01-06 | Improve breaker of needle coke granularity |
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| Publication Number | Publication Date |
|---|---|
| CN217368663U true CN217368663U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220028576.9U Active CN217368663U (en) | 2022-01-06 | 2022-01-06 | Improve breaker of needle coke granularity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301365A (en) * | 2022-10-10 | 2022-11-08 | 江苏弘德环保科技有限公司 | Breaker is used in landfill preliminary treatment useless admittedly |
-
2022
- 2022-01-06 CN CN202220028576.9U patent/CN217368663U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301365A (en) * | 2022-10-10 | 2022-11-08 | 江苏弘德环保科技有限公司 | Breaker is used in landfill preliminary treatment useless admittedly |
| CN115301365B (en) * | 2022-10-10 | 2023-01-06 | 江苏弘德环保科技有限公司 | Breaker is used in landfill preliminary treatment useless admittedly |
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