CN217058182U - Needle coke closed decoking and dewatering device - Google Patents
Needle coke closed decoking and dewatering device Download PDFInfo
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- CN217058182U CN217058182U CN202220026785.XU CN202220026785U CN217058182U CN 217058182 U CN217058182 U CN 217058182U CN 202220026785 U CN202220026785 U CN 202220026785U CN 217058182 U CN217058182 U CN 217058182U
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Abstract
The utility model provides an airtight decoking dewatering device of needle coke, including buffer memory mechanism, vibration isolation mechanism and centrifugal separation mechanism, wherein: the buffer mechanism comprises a buffer tank; the vibration separation mechanism comprises a sealed vibration screening machine, the sealed vibration screening machine is connected with a first sealed conveyor, and the discharging end of the first sealed conveyor is connected with a calcination precalcination bin; the centrifugal separation mechanism comprises a closed centrifugal machine, the closed centrifugal machine is connected with a second closed conveyor, and the discharging end of the second closed conveyor is connected with a powder packaging bin. The buffer tank can effectively slow down the impact of coke on the vibrating screen, and the powdery green coke is more effectively separated through two-stage separation of vibration separation and centrifugal separation; the device can realize online dehydration, greatly shortens the dehydration time of the needle coke and improves the dehydration efficiency; through closed dehydration and conveying, the material can be prevented from being influenced by the environment, and the purity of the needle coke is improved; the automation level of the device is improved, the working environment is improved, and the emission of pollutants is reduced.
Description
Technical Field
The utility model relates to a needle coke production technical field specifically relates to an airtight decoking dewatering device of needle coke.
Background
The needle coke is a high-quality carbon material, is named after being crushed into a slender needle structure, has good orientation and strong electric and heat conductivity, is a main raw material for manufacturing the ultrahigh-power graphite electrode, and the ultrahigh-power graphite electrode produced by using the needle coke has the advantages of low resistivity, large volume density, high mechanical strength, small thermal expansion coefficient, good thermal shock resistance and the like. The needle coke graphitized product is widely applied to the fields of electric furnace steel-making electrodes, nuclear reactor deceleration materials, rocket technology and the like.
In order to better calcine needle coke and produce coke, the needle coke needs to be dehydrated to the water content of below 5 percent before entering a calcining kiln, and the traditional process mainly comprises the following steps: firstly, the natural dehydration is carried out after the material is put into a material transfer station, so that the time is long (the time is more than 7 days), the dehydration effect is poor, and particularly in winter in the north, the dehydration effect is worse; secondly, the material is put into a dehydration tank for dehydration, the dehydration effect is poor, the time is long (more than 7 days), and the outlet is easy to be blocked during the blanking, thereby greatly increasing the labor intensity of workers and influencing the normal production. And the two dehydration processes have the problems that the powdery coke can not be effectively separated and the quality of the needle coke is influenced. Dehydration therefore becomes an important factor limiting needle coke calcination, as well as limiting needle coke production and increasing production costs.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in, provides an airtight decoking dewatering device of needle coke, promotes in the needle coke massive raw coke and likepowder raw coke separation effect, improves needle coke dehydration efficiency, solves the longer and likepowder burnt poor problem of separation effect of needle coke coking dehydration time.
The utility model provides an airtight decoking dewatering device of needle coke, including buffer memory mechanism, vibration isolation mechanism and centrifugal separation mechanism, wherein:
the buffer mechanism comprises a buffer tank, the upper side of the buffer tank is communicated with the coke tower through a first blanking chute, and the lower side of the buffer tank is connected with a second blanking chute;
the vibration separation mechanism comprises a sealed vibration screening machine, the upper side of the sealed vibration screening machine is communicated with a second blanking elephant trunk, the side part of the sealed vibration screening machine is connected with a first blanking chute, a first sealed conveyor is connected below the first blanking chute, the blanking end of the first sealed conveyor is connected with a pre-calcining bin, and the lower part of the sealed vibration screening machine is connected with a first blanking elephant trunk;
centrifugal separation mechanism includes airtight centrifuge, airtight centrifuge's upside and first offal elephant trunk intercommunication, and second unloading chute is connected to airtight centrifuge's downside, and second airtight conveyor is connected to second unloading chute lower extreme, and the powder packing storehouse is connected to the unloading end of second airtight conveyor, and second offal elephant trunk is connected to airtight centrifuge's lateral part, second offal elephant trunk and cut burnt water recovery pond intercommunication, cut burnt water recovery pond and cut burnt water pitcher intercommunication, and connect on connecting the pipeline and cut burnt water recovery pump.
Preferably, airtight vibration screening machine includes airtight vibration shell, is equipped with the shale shaker in the airtight vibration shell, and the shale shaker is connected with vibration power unit, and the shale shaker lateral part is equipped with sieve material export, and sieve material export and first blanking chute intercommunication are equipped with the toper baffle box in airtight vibration shell lower part, and toper baffle box and first blanking chute intercommunication.
Preferably, the first closed conveying machine comprises a first closed conveying shell, a first conveying belt is arranged in the first closed conveying shell, a first feeding hole is formed in the upper side of one end of the first closed conveying shell, a first discharging hole is formed in the lower side of the other end of the first closed conveying shell, the first feeding hole is communicated with a first blanking chute, and the first discharging hole is communicated with a calcining pre-calcining bin.
Preferably, the closed centrifugal machine comprises a closed centrifugal shell, a centrifugal roller is arranged in the closed centrifugal shell, the centrifugal roller is connected with a rotating power mechanism, the closed centrifugal shell is communicated with the second discharging chute, and the centrifugal roller is communicated with the second discharging chute.
Preferably, the second closed conveying machine comprises a second closed conveying shell, a second conveying belt is arranged in the second closed conveying shell, a second feeding hole is formed in the upper side of one end of the second closed conveying shell, a second discharging hole is formed in the lower side of the other end of the second closed conveying shell, the second feeding hole is communicated with a second discharging chute, and the second discharging hole is communicated with the powder packaging bin.
The utility model discloses a work flow:
(1) the refined asphalt is reacted in a coke tower to produce needle coke green coke, then the temperature is reduced to below 100 ℃, the needle coke green coke cut by the coke cutting is cut by a coke cutting system, and the needle coke green coke cut by the coke cutting enters a buffer tank below the coke tower for buffering through a first blanking chute;
(2) the raw coke and water in the buffer tank enter a closed vibration screening machine for vibration separation, the separation is completed when the water content of the blocky raw coke is lower than 5%, the blocky raw coke which is subjected to the vibration separation falls onto a first conveying belt through a first discharging chute and is conveyed to a pre-calcining bin to be used as a raw material for producing calcined coke, and the powdery raw coke and coke-cutting water enter a closed centrifuge through a first discharging chute;
(3) centrifuging the powdery raw coke and the coke cutting water in a closed centrifuge until the water content of the powdery raw coke is lower than 3%, and dropping the centrifuged powdery raw coke onto a second closed belt through a second discharging chute and conveying the powdery raw coke to a powder packaging bin for packaging to be used as a raw material for producing the negative electrode material of the lithium battery; the decoking water centrifugally separated by the closed centrifugal machine enters a coke cutting water recovery pool through a second sewer chute and is conveyed to a coke cutting water tank for recycling through a coke cutting water recovery pump.
The utility model has the advantages that:
(1) because the blanking of the coke tower is uneven in the coke cutting process, the device is provided with the buffer tank, so that the impact of coke on the vibrating screen can be effectively relieved, and the blocky green coke and the powdery green coke can be more effectively separated through two-stage separation of vibration separation and centrifugal separation;
(2) the device can realize online dehydration, greatly shortens the dehydration time of the needle coke, controls the dehydration time within 0.5h and improves the dehydration efficiency;
(3) the device is utilized to realize the closed dehydration and transportation of the needle coke, so that the material can be prevented from being influenced by the environment, and the purity of the needle coke is improved;
(4) the automation level of the device is improved, the working environment is improved, the emission of pollutants in the decoking and dehydration process is reduced, and the device is more environment-friendly.
Drawings
FIG. 1 is a perspective view of the needle coke airtight decoking and dewatering device of the present invention;
FIG. 2 is a front view of the needle coke airtight decoking and dewatering device of the present invention.
In the figure: the device comprises a caching mechanism 1, a buffer tank 11, a first blanking chute 12 and a second blanking chute 13; the device comprises a vibration separation mechanism 2, a closed vibration screening machine 21, a closed vibration shell 21-1, a vibration screen 21-2, a screening material outlet 21-3, a conical guide chute 21-4, a first blanking chute 22, a first closed conveyor 23, a first closed conveying shell 23-1, a first conveying belt 23-2, a first feeding hole 23-3, a first discharging hole 23-4, a calcination pre-calcining bin 24 and a first blanking chute 25; the device comprises a centrifugal separation mechanism 3, a closed centrifugal machine 31, a closed centrifugal shell 31-1, a centrifugal drum 31-2, a second blanking chute 32, a second closed conveyor 33, a second closed conveying shell 33-1, a second conveying belt 33-2, a second feeding hole 33-3, a second discharging hole 33-4, a powder packaging bin 34, a second discharging chute 35, a coke cutting water recovery pool 36, a coke cutting water tank, a coke cutting water recovery pump 38 and a coke tower 4.
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 needle coke airtight decoking and dewatering device of the present embodiment includes a buffer mechanism 1, a vibration separation mechanism 2 and a centrifugal separation mechanism 3, wherein:
the buffer mechanism 1 comprises a buffer tank 11, the upper side of the buffer tank 11 is communicated with the coke tower 4 through a first blanking chute 12, and the lower side of the buffer tank 11 is connected with a second blanking chute 13;
the vibration separation mechanism 2 comprises a sealed vibration screening machine 21, the upper side of the sealed vibration screening machine 21 is communicated with a second blanking chute 13, the side part of the sealed vibration screening machine 21 is connected with a first blanking chute 22, the lower part of the first blanking chute 22 is connected with a first sealed conveyor 23, the blanking end of the first sealed conveyor 23 is connected with a pre-calcination bin 24, and the lower part of the sealed vibration screening machine 21 is connected with a first blanking chute 25;
The closed vibrating screening machine 21 comprises a closed vibrating shell 21-1, a vibrating screen 21-2 is arranged in the closed vibrating shell 21-1, the vibrating screen 21-2 is connected with a vibrating power mechanism, a screening material outlet 21-3 is formed in the side portion of the vibrating screen 21-2, the screening material outlet 21-3 is communicated with a first blanking chute 22, a conical guide chute 21-4 is formed in the lower portion of the closed vibrating shell 21-1, and the conical guide chute 21-4 is communicated with a first blanking chute 25.
The closed centrifugal machine 31 comprises a closed centrifugal shell 31-1, a centrifugal drum 31-2 is arranged in the closed centrifugal shell 31-1, the centrifugal drum 31-2 is connected with a rotating power mechanism, the closed centrifugal shell 31-1 is communicated with a second discharging chute 35, and the centrifugal drum 31-2 is communicated with a second discharging chute 32.
Example 2:
as shown in fig. 1 and fig. 2, the needle coke airtight decoking and dewatering device of the present embodiment includes a buffer mechanism 1, a vibration separation mechanism 2 and a centrifugal separation mechanism 3, wherein:
the buffer mechanism 1 comprises a buffer tank 11, the upper side of the buffer tank 11 is communicated with the coke tower 4 through a first blanking chute 12, and the lower side of the buffer tank 11 is connected with a second blanking chute 13;
the vibration separation mechanism 2 comprises a sealed vibration screening machine 21, the upper side of the sealed vibration screening machine 21 is communicated with a second blanking chute 13, the side part of the sealed vibration screening machine 21 is connected with a first blanking chute 22, the lower part of the first blanking chute 22 is connected with a first sealed conveyor 23, the blanking end of the first sealed conveyor 23 is connected with a pre-calcination bin 24, and the lower part of the sealed vibration screening machine 21 is connected with a first blanking chute 25;
The closed vibrating screen machine 21 comprises a closed vibrating shell 21-1, a vibrating screen 21-2 is arranged in the closed vibrating shell 21-1, the vibrating screen 21-2 is connected with a vibrating power mechanism, a screen material outlet 21-3 is formed in the side portion of the vibrating screen 21-2, the screen material outlet 21-3 is communicated with a first feeding chute 22, a conical guide chute 21-4 is formed in the lower portion of the closed vibrating shell 21-1, and the conical guide chute 21-4 is communicated with a first feeding chute 25.
The first closed conveying machine 23 comprises a first closed conveying shell 23-1, a first conveying belt 23-2 is arranged in the first closed conveying shell 23-1, a first feeding hole 23-3 is formed in the upper side of one end of the first closed conveying shell 23-1, a first discharging hole 23-4 is formed in the lower side of the other end of the first closed conveying shell 23-1, the first feeding hole 23-3 is communicated with a first blanking chute 22, and the first discharging hole 23-4 is communicated with a calcination front calcining bin 24.
The closed centrifugal machine 31 comprises a closed centrifugal shell 31-1, a centrifugal drum 31-2 is arranged in the closed centrifugal shell 31-1, the centrifugal drum 31-2 is connected with a rotating power mechanism, the closed centrifugal shell 31-1 is communicated with a second discharging chute 35, and the centrifugal drum 31-2 is communicated with a second discharging chute 32.
The second closed conveying machine 33 comprises a second closed conveying shell 33-1, a second conveying belt 33-2 is arranged in the second closed conveying shell 33-1, a second feeding hole 33-3 is formed in the upper side of one end of the second closed conveying shell 33-1, a second discharging hole 33-4 is formed in the lower side of the other end of the second closed conveying shell 33-1, the second feeding hole 33-3 is communicated with a second discharging chute 32, and the second discharging hole 33-4 is communicated with a powder packaging bin 34.
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 other embodiments that can be conceived by those skilled in the art without creative efforts, and other simple replacements and various changes to the technical solution of the present invention, all belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a airtight decoking dewatering device of needle coke, its characterized in that includes buffer memory mechanism (1), vibration separating mechanism (2) and centrifugal separation mechanism (3), wherein:
the buffer mechanism (1) comprises a buffer tank (11), the upper side of the buffer tank (11) is communicated with the coke tower (4) through a first blanking chute (12), and the lower side of the buffer tank (11) is connected with a second blanking chute (13);
the vibration separation mechanism (2) comprises a sealed vibration screening machine (21), the upper side of the sealed vibration screening machine (21) is communicated with a second blanking chute (13), the side part of the sealed vibration screening machine (21) is connected with a first blanking chute (22), a first sealed conveyor (23) is connected below the first blanking chute (22), the blanking end of the first sealed conveyor (23) is connected with a pre-calcining bin (24), and the lower part of the sealed vibration screening machine (21) is connected with a first blanking chute (25);
centrifugal separation mechanism (3) are including airtight centrifuge (31), upside and first offal elephant trunk (25) intercommunication of airtight centrifuge (31), second unloading chute (32) are connected to the downside of airtight centrifuge (31), second airtight conveyer (33) is connected to second unloading chute (32) lower extreme, powder packing storehouse (34) is connected to the unloading end of second airtight conveyer (33), second offal elephant trunk (35) is connected to the lateral part of airtight centrifuge (31), second offal elephant trunk (35) and cut burnt water recovery pond (36) intercommunication, cut burnt water recovery pond (36) and cut burnt water pitcher (37) intercommunication, and connect on the connecting pipeline and cut burnt water recovery pump (38).
2. The needle coke closed decoking and dewatering device according to claim 1, characterized in that the closed vibrating screen machine (21) comprises a closed vibrating shell (21-1), a vibrating screen (21-2) is arranged in the closed vibrating shell (21-1), the vibrating screen (21-2) is connected with a vibrating power mechanism, a screen outlet (21-3) is arranged at the side of the vibrating screen (21-2), the screen outlet (21-3) is communicated with the first discharging chute (22), a conical guide chute (21-4) is arranged at the lower part of the closed vibrating shell (21-1), and the conical guide chute (21-4) is communicated with the first discharging chute (25).
3. The needle coke closed decoking and dewatering device according to claim 1, wherein the first closed conveyor (23) comprises a first closed conveying shell (23-1), a first conveying belt (23-2) is arranged in the first closed conveying shell (23-1), a first feeding hole (23-3) is formed in the upper side of one end of the first closed conveying shell (23-1), a first discharging hole (23-4) is formed in the lower side of the other end of the first closed conveying shell, the first feeding hole (23-3) is communicated with the first discharging chute (22), and the first discharging hole (23-4) is communicated with the pre-calcining bin (24).
4. The needle coke closed decoking and dewatering device according to claim 1, wherein the closed centrifuge (31) comprises a closed centrifuge housing (31-1), a centrifuge drum (31-2) is arranged in the closed centrifuge housing (31-1), the centrifuge drum (31-2) is connected with a rotary power mechanism, the closed centrifuge housing (31-1) is communicated with the second discharging chute (35), and the centrifuge drum (31-2) is communicated with the second discharging chute (32).
5. The needle coke closed decoking and dewatering device according to claim 1, wherein the second closed conveyor (33) includes a second closed conveying casing (33-1), a second conveying belt (33-2) is provided in the second closed conveying casing (33-1), a second feed port (33-3) is provided on an upper side of one end of the second closed conveying casing (33-1), a second discharge port (33-4) is provided on a lower side of the other end, the second feed port (33-3) is communicated with the second discharge chute (32), and the second discharge port (33-4) is communicated with the powder packing bin (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220026785.XU CN217058182U (en) | 2022-01-06 | 2022-01-06 | Needle coke closed decoking and dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220026785.XU CN217058182U (en) | 2022-01-06 | 2022-01-06 | Needle coke closed decoking and dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217058182U true CN217058182U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220026785.XU Active CN217058182U (en) | 2022-01-06 | 2022-01-06 | Needle coke closed decoking and dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217058182U (en) |
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- 2022-01-06 CN CN202220026785.XU patent/CN217058182U/en active Active
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