CN215823298U - Interconnected type anode scrap crushing and calcined coke crushing and screening system - Google Patents
Interconnected type anode scrap crushing and calcined coke crushing and screening system Download PDFInfo
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- CN215823298U CN215823298U CN202121823095.9U CN202121823095U CN215823298U CN 215823298 U CN215823298 U CN 215823298U CN 202121823095 U CN202121823095 U CN 202121823095U CN 215823298 U CN215823298 U CN 215823298U
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Abstract
The utility model discloses an intercommunicated anode scrap crushing and calcined coke crushing and screening system, relates to the technical field of aluminum electrolysis, and aims to enable the anode scrap crushing and screening system and the calcined coke crushing and screening system to be mutually standby or simultaneously put into use, so that the production efficiency and the equipment utilization rate are improved. The technical scheme of the utility model is as follows: the interconnected anode scrap raw crushing and calcined coke crushing and screening system comprises an anode scrap raw crushing and screening system and a calcined coke crushing and screening system, wherein the two systems are connected through a first branch pipe and a second branch pipe, and part of calcined coke obtained by screening can enter a second crusher for crushing through the first branch pipe; and part of the anode scraps obtained by screening can enter the first crusher for crushing through the second branch pipe, so that the two systems are communicated. The two systems can be operated independently, and can also simultaneously crush and screen the anode scrap or calcined coke, thereby flexibly realizing the selection of production materials and fully exerting the redundant crushing and screening capacity of any one system.
Description
Technical Field
The utility model relates to the technical field of aluminum electrolysis, in particular to an intercommunicated anode scrap crushing and calcined coke crushing and screening system in carbon anode production.
Background
In the production process of the carbon green anode for aluminum electrolysis, a residual anode crushing and screening system and a calcined coke crushing and screening system operate independently.
The process flow of the anode scrap crushing and screening comprises the following steps: removing metals from the raw crushed materials by an electromagnetic separator, then crushing the raw crushed materials in a crusher, and then screening the crushed materials in a vibrating screen to obtain four kinds of materials with different particle sizes, namely large particles, coarse particles, medium particles and fine particles, returning the large particles to the crusher to be crushed again, and feeding the large particles, the medium particles and the fine particles into corresponding bins respectively. The technological process of the calcined coke crushing and screening system comprises the following steps: removing metals from calcined coke by an electromagnetic separator, crushing the calcined coke in a crusher, and then screening the crushed coke in a vibrating screen to obtain materials with different particle sizes, wherein the materials respectively enter corresponding bins.
Due to the difference of raw materials and the different requirements of the next production process on the materials, the anode scrap crushing and screening system or the calcined coke crushing and screening system in the actual production has the conditions of shutdown and idle running, and the utilization rate of equipment is low. For example, the design productivity of a residual anode production crushing and screening system and a calcined coke crushing and screening system of a certain production line is about 25 tons of blanking amount per hour, the granularity of calcined coke produced by a pot type calcining furnace is relatively large, the volume density is relatively large, the hardness is relatively large, the grindable coefficient is relatively small, the granularity of part of calcined coke fed is too large and exceeds the granularity standard required by the production process, so that the granular material with the granularity larger than 12mm is too much, the return amount of a vibrating screen is too large, the loads of a crusher and a bucket elevator are too large and cannot meet the production requirements, particularly, when a fully calcined coke formula is produced, the blanking amount can only be produced according to 21 tons per hour, the production yield is small, the production capacity of 35 tons per hour of a matching flow is not reached, and the production efficiency is not high.
SUMMERY OF THE UTILITY MODEL
The utility model provides an intercommunicated anode scrap crushing and calcined coke crushing and screening system, and aims to enable the anode scrap crushing and screening system and the calcined coke crushing and screening system to be mutually standby or to be put into use simultaneously, so that the production efficiency and the equipment utilization rate are improved.
The technical scheme adopted by the utility model for realizing the aim is as follows: the interconnected residual anode raw crushing and calcined coke crushing and screening system comprises a residual anode raw crushing and screening system and a calcined coke crushing and screening system, wherein the calcined coke crushing and screening system comprises a first raw material bin, an outlet of the first raw material bin is connected with an inlet of a first crusher through a first conveying device, an outlet of the first crusher is connected with a first vibrating screen, the first vibrating screen is provided with a first return pipe and is connected with an inlet of the first crusher, and the first vibrating screen is also connected with a plurality of calcined coke bins respectively; the anode scrap crushing and screening system comprises a second raw material bin, an outlet of the second raw material bin is connected with an inlet of a second crusher through a second conveying device, an outlet of the second crusher is connected with a second vibrating screen, the second vibrating screen is provided with a second return pipe and is connected with an inlet of the second crusher, and the second vibrating screen is further connected with a plurality of anode scrap crushing bins respectively.
The position of the first return pipe close to the first vibrating screen is connected with a first branch pipe, a three-way valve is arranged at the first branch pipe, and the outlet end of the first branch pipe is connected with the inlet of the second crusher or the second return pipe; the position of the second return pipe close to the second vibrating screen is connected with a second branch pipe, a three-way valve is arranged at the second branch pipe, and the outlet end of the second branch pipe is connected with the inlet of the first crusher or the first return pipe.
Further, the method comprises the following steps: the outlet of the first conveying device is also connected with the inlet of the second crusher or the second conveying device, and the outlet of the second conveying device is also connected with the inlet of the first crusher or the first conveying device.
Further, the method comprises the following steps: the first vibrating screen is provided with four-stage outlets which are respectively a large particle outlet, a coarse particle outlet, a medium particle outlet and a fine particle outlet, the large particle outlet and the coarse particle outlet are connected with the feed end of the first return pipe, and the coarse particle outlet, the medium particle outlet and the fine particle outlet are respectively connected with the three calcined coke bins;
the second shale shaker sets up tertiary export, is large granule export, coarse grain export and fine grain export respectively, and large granule export and coarse grain export all link to each other with the feed end of second return pipe, and coarse grain export and fine grain export link to each other with two incomplete utmost point raw material bins respectively.
Further, the method comprises the following steps: the medium particle outlet and the fine particle outlet of the first vibrating screen and the fine particle outlet of the second vibrating screen are respectively connected with the grinding raw material bin.
Specifically, the method comprises the following steps: the three-way valve is an electro-hydraulic three-way baffle.
Specifically, the method comprises the following steps: the first conveying device and the second conveying device are both belt conveyors, the outlet of the first crusher is connected with the first vibrating screen through a first bucket elevator, and the outlet of the second crusher is connected with the second vibrating screen through a second bucket elevator.
Specifically, the method comprises the following steps: the first conveying device and the second conveying device are also provided with a metering device and an electromagnetic separator.
The utility model has the beneficial effects that: the method can be realized by carrying out low-difficulty transformation on the basis of the conventional anode scrap crushing and screening system and calcined coke crushing and screening system. Through the first branch pipe, part of calcined coke obtained by screening can enter a second crusher for crushing; meanwhile, part of the anode scrap obtained by screening can enter the first crusher for crushing through the second branch pipe, so that the two systems are communicated. Through the control three-way valve, the anode scrap crushing and screening system and the calcined coke crushing and screening system can independently operate, and can simultaneously crush and screen anode scrap or calcined coke, so that the production materials are flexibly selected and used, and the material level of each material bin is favorably balanced.
The export of first conveyor links to each other with the entry of second breaker or second conveyor, and the export of second conveyor links to each other with the entry of first breaker or first conveyor, makes the anode scrap break or burnt back entering two systems simultaneously and carry out breakage and screening, promotes system adaptability.
Drawings
FIG. 1 is a schematic of the present invention.
Reference numerals: the system comprises a first raw material bin 11, a first conveying device 12, a first crusher 13, a first bucket elevator 14, a first vibrating screen 15, a first return pipe 16, a calcined coke bin 17 and a first branch pipe 18; a second raw material bin 21, a second conveying device 22, a second crusher 23, a second bucket elevator 24, a second vibrating screen 25, a second return pipe 26, a residual anode raw material bin 27 and a second branch pipe 28; three-way valve 3, grinding raw material storehouse 4.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in figure 1, the intercommunicated anode scrap crushing and calcined coke crushing and screening system comprises an anode scrap crushing and screening system and a calcined coke crushing and screening system, wherein the anode scrap crushing and screening system and the calcined coke crushing and screening system are communicated with each other.
The calcined coke crushing and screening system comprises a first raw material bin 11, the first raw material bin 117 is used for storing calcined coke led out from the calcined coke bin, an outlet of the first raw material bin 11 is connected with an inlet of a first crusher 13 through a first conveying device 12, and the first conveying device 12 is used for conveying the calcined coke to the first crusher 13 from the first raw material bin 11. To meter the material being conveyed, the first conveyor 12 is also provided with a metering device, for example, the first conveyor 12 is a CX102 metering belt conveyor. In order to avoid ferrous material from entering the first crusher 13, the first conveyor 12 may also be provided with an electromagnetic separator, e.g. the first conveyor 12 is provided with a CX102-1 electromagnetic separator. The export of first breaker 13 links to each other with first shale shaker 15, gets into first shale shaker 15 after the material breakage and sieves, accessible dead weight gets into first shale shaker 15 after the material breakage, perhaps first shale shaker 15 sets up in the eminence, and the export of first breaker 13 links to each other with first shale shaker 15 through first bucket elevator 14, for example, the material after the breakage sends into CX106 shale shaker through CX105 bucket elevator, sieves again. The first vibrating screen 15 is provided with a plurality of outlets for discharging materials with different particle sizes. The first vibrating screen 15 is provided with a first return pipe 16 and is connected with an inlet of the first crusher 13, and the first return pipe 16 is used for returning one or more materials which are relatively thick after being crushed to the first crusher 13 for crushing again. The first vibrating screen 15 is connected to a plurality of calcined coke bins 17, so that the screened materials with different particle sizes enter different calcined coke bins 17. For example, the first vibrating screen 15 is provided with four outlets, namely a large particle outlet, a coarse particle outlet, a medium particle outlet and a fine particle outlet, the number of the calcined coke bins 17 is three, the large particle outlet and the coarse particle outlet are connected with the feeding end of the first return pipe 16, and the coarse particle outlet, the medium particle outlet and the fine particle outlet are connected with the three calcined coke bins 17. And a switching valve is arranged at the coarse grain outlet, so that the coarse grains can enter the first return pipe 16 and can also enter the corresponding calcined coke bin 17.
The anode scrap crushing and screening system comprises a second raw material bin 21, the second raw material bin 21 is used for storing anode scrap materials led out from the anode scrap raw material bin and raw crushed materials led out from the raw crushed material bin, and an outlet of the second raw material bin 21 is connected with an inlet of a second crusher 23 through a second conveying device 22. The second conveyor 22 is used to convey the anode scrap raw material from the second raw material bin 21 to a second crusher 23. To meter the material being conveyed, the second conveyor 22 is also provided with a metering device, for example, the second conveyor 22 is a CX102 metering belt conveyor. In order to avoid ferrous material from entering the second crusher 23, the second conveyor 22 may also be provided with an electromagnetic separator, e.g. the second conveyor 22 is provided with a CX102-1 electromagnetic separator. The export of second breaker 23 links to each other with second shale shaker 25, gets into second shale shaker 25 after the material is broken and sieves, accessible dead weight gets into second shale shaker 25 after the material is broken, or second shale shaker 25 sets up in the eminence, and the export of second breaker 23 passes through second bucket elevator 24 and links to each other with second shale shaker 25, and for example the material after the breakage sends into CX106 shale shaker through CX105 bucket elevator, sieves again. The second vibrating screen 25 is provided with a plurality of outlets for discharging materials of different particle sizes. The second vibrating screen 25 is provided with a second return pipe 26 and is connected with an inlet of the second crusher 23, and the second return pipe 26 is used for returning one or more materials which are relatively thick after being crushed to the second crusher 23 for crushing again. The second vibrating screen 25 is connected to a plurality of anode scrap bins 27, respectively, so that the screened materials with different particle sizes enter different anode scrap bins 27, respectively. For example, the second vibrating screen 25 is provided with three outlets, namely a large particle outlet, a coarse particle outlet and a fine particle outlet, two anode scrap generating and crushing bins 27, the large particle outlet and the coarse particle outlet are connected with the feeding end of the second return pipe 26, and the coarse particle outlet and the fine particle outlet are connected with the two anode scrap generating and crushing bins 27. And a switching valve is arranged at the coarse grain outlet, so that the coarse grains can enter the second return pipe 26 and can also enter the corresponding anode scrap crushing bin 27.
The first return pipe 16 is connected to a first branch pipe 18 at a position close to the first vibrating screen 15, a three-way valve 3 is arranged at the first branch pipe 18, and the outlet end of the first branch pipe 18 is connected to the inlet of a second crusher 23 or a second return pipe 26. The first branch pipe 18 is used for connecting the first return pipe 16 with the second crusher 23, so that part of the materials crushed by the first crusher 13 and sieved by the first vibrating screen 15 can enter the second crusher 23. The second return pipe 26 is connected to a second branch pipe 28 at a position close to the second vibrating screen 25, the three-way valve 3 is arranged at the second branch pipe 28, and the outlet end of the second branch pipe 28 is connected to the inlet of the first crusher 13 or the first return pipe 16. The second branch pipe 28 is used for connecting the second return pipe 26 with the first crusher 13, so that part of the materials crushed by the second crusher 23 and sieved by the second vibrating screen 25 can enter the first crusher 13. The three-way valve 3 is used for adjusting the material flow direction, such as an electro-hydraulic three-way baffle.
The anode scrap crushing and screening system and the calcined coke crushing and screening system are communicated after crushing and screening through the first branch pipe 18 and the second branch pipe 28. The two systems can also be communicated before crushing, and the outlet of the first conveying device 12 is also connected with the inlet of a second crusher 23 or a second conveying device 22, so that calcined coke can enter the second crusher 23 for crushing. The outlet of the second conveyor 22 is connected to the inlet of the first crusher 13 or the first conveyor 12, so that the crushed residual anode can enter the first crusher 13 for crushing.
The intercommunicated anode scrap crushing and calcined coke crushing and screening system can fully exert redundant crushing and screening capacity of any system, realize that the two systems are mutually standby or put into use simultaneously, realize the production mode of full calcined coke, high-input calcined coke and high-input anode scrap crushing, and greatly improve the production efficiency and the equipment efficiency.
Claims (7)
1. The mutual-communicating type anode scrap crushing and calcined coke crushing and screening system comprises an anode scrap crushing and screening system and a calcined coke crushing and screening system, wherein the calcined coke crushing and screening system comprises a first raw material bin (11), an outlet of the first raw material bin (11) is connected with an inlet of a first crusher (13) through a first conveying device (12), an outlet of the first crusher (13) is connected with a first vibrating screen (15), the first vibrating screen (15) is provided with a first return pipe (16) and is connected with an inlet of the first crusher (13), and the first vibrating screen (15) is further connected with a plurality of calcined coke bins (17) respectively; the anode scrap crushing, crushing and screening system comprises a second raw material bin (21), an outlet of the second raw material bin (21) is connected with an inlet of a second crusher (23) through a second conveying device (22), an outlet of the second crusher (23) is connected with a second vibrating screen (25), the second vibrating screen (25) is provided with a second material return pipe (26) and is connected with an inlet of the second crusher (23), and the second vibrating screen (25) is further connected with a plurality of anode scrap crushing bins (27) respectively; the method is characterized in that:
the position, close to the first vibrating screen (15), of the first return pipe (16) is connected with a first branch pipe (18), a three-way valve (3) is arranged at the position of the first branch pipe (18), and the outlet end of the first branch pipe (18) is connected with an inlet of a second crusher (23) or a second return pipe (26); the position of the second return pipe (26) close to the second vibrating screen (25) is connected with a second branch pipe (28), a three-way valve (3) is arranged at the second branch pipe (28), and the outlet end of the second branch pipe (28) is connected with the inlet of the first crusher (13) or the first return pipe (16).
2. The intercommunicating, spent anode crushing and calcined coke crushing and screening system of claim 1, wherein: the outlet of the first conveyor (12) is also connected to the inlet of a second crusher (23) or to a second conveyor (22), and the outlet of the second conveyor (22) is also connected to the inlet of a first crusher (13) or to the first conveyor (12).
3. The intercommunicating, spent anode crushing and calcined coke crushing and screening system of claim 1, wherein: the first vibrating screen (15) is provided with four outlets which are respectively a large particle outlet, a coarse particle outlet, a medium particle outlet and a fine particle outlet, the large particle outlet and the coarse particle outlet are connected with the feed end of the first return pipe (16), and the coarse particle outlet, the medium particle outlet and the fine particle outlet are respectively connected with the three calcined coke bins (17);
the second vibrating screen (25) is provided with a three-level outlet which is respectively a large particle outlet, a coarse particle outlet and a fine particle outlet, the large particle outlet and the coarse particle outlet are connected with the feed end of the second return pipe (26), and the coarse particle outlet and the fine particle outlet are respectively connected with two anode scrap generating and crushing bins (27).
4. The intercommunicating, spent anode crushing and calcined coke crushing and screening system of claim 3, wherein: the medium particle outlet and the fine particle outlet of the first vibrating screen (15) and the fine particle outlet of the second vibrating screen (25) are also respectively connected with the grinding raw material bin (4).
5. The intercommunicating type anode scrap crushing and calcined coke crushing and screening system according to any one of claims 1 to 4, wherein: the three-way valve (3) is an electro-hydraulic three-way baffle.
6. The intercommunicating type anode scrap crushing and calcined coke crushing and screening system according to any one of claims 1 to 4, wherein: the first conveying device (12) and the second conveying device (22) are both belt conveyors, the outlet of the first crusher (13) is connected with the first vibrating screen (15) through a first bucket elevator (14), and the outlet of the second crusher (23) is connected with the second vibrating screen (25) through a second bucket elevator (24).
7. The intercommunicating type anode scrap crushing and calcined coke crushing and screening system according to any one of claims 1 to 4, wherein: the first conveying device (12) and the second conveying device (22) are also provided with a metering device and an electromagnetic separator.
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| CN202121823095.9U CN215823298U (en) | 2021-08-05 | 2021-08-05 | Interconnected type anode scrap crushing and calcined coke crushing and screening system |
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| CN202121823095.9U CN215823298U (en) | 2021-08-05 | 2021-08-05 | Interconnected type anode scrap crushing and calcined coke crushing and screening system |
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| CN215823298U true CN215823298U (en) | 2022-02-15 |
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