CN108264351A - Aluminium electroloysis is given up cathode recycling processing method and processing system - Google Patents
Aluminium electroloysis is given up cathode recycling processing method and processing system Download PDFInfo
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Abstract
It gives up cathode recycling processing method and processing system the invention discloses a kind of aluminium electroloysis, it belongs to technical field of aluminum electrolysis.A kind of aluminium electroloysis is given up cathode recycling processing method and processing system, by broken useless cathode with treated is handled to obtain into continuous high-temperature stove after biomass waste material is mixed in a certain ratio and mix carbon material, this is mixed into the Carbon Materials that Carbon Materials and biomass adhesive carry out mixed-forming, different size shape is made in drying, for substitute or the metallurgy such as partial alternative coke, petroleum coke, calcined anthracite, graphite are broken, aluminium anode and cathode, electrode paste production aggregate.The present invention realizes the recycling of useless cathode, by the way that aluminium electroloysis is given up cathode and biomass energy compatibility, biomass energy effectively is utilized, useless cathode is not only made to obtain recycling treatment, save the broken this non-renewable resources of coke, petroleum coke, calcined anthracite, graphite simultaneously, the material generated in the process is utilized effectively, and does not generate secondary pollution.
Description
Technical field
It gives up cathode recycling processing method and processing system the present invention relates to a kind of aluminium electroloysis, it belongs to aluminum electrolyzation technology neck
Domain.
Background technology
Electrolytic aluminium waste slot liner is inevitable solid waste during Aluminum Electrolysis Production, and aluminium discharge capacity per ton is 7.5-
15kg, waste lining the inside content of fluoride is usually in 30-40%, and cyanide content is usually in 100ppm.According to《Hazardous waste reflects
Other standard -- leaching characteristic identification》GB5085.3, content of fluoride ion about 1000-5000mg/L in waste lining, the content of cyanide
10-30mg/L is severely exceeded（In standard the limit value in relation to inorganic fluoride be 100mg/L, cyanide（CN-）Limit value
5mg/L）, belong to hazardous waste（It presses《National Hazard waste register》, hazardous waste code 331-023-48）, direct emission can make
Into the serious pollution of environment.36,000,000 tons or so of electrolytic aluminium yield in 2017, continuous 16 years electrolytic aluminium yield be in the world
First, more than the 50% of China's non-ferrous metal total output.7.5~10kg waste cathode carbon blocks are generated according to primary aluminum per ton to calculate, 2017
Generate about 25~400,000 tons of useless cathodes, the 1-2% of about national hazardous waste discharge capacity year.At present, the main side disposed both at home and abroad
Formula is stockpiling or landfill, and most of enterprise does not have harmlessness disposing facility.With the implementation of new environmental law, electrolytic aluminium waste slot liner
Innoxious, recycling has become the technical issues of those skilled in the art are badly in need of solving.
For many years, those skilled in the art have carried out a large amount of Technology Ways designs, research and development, and it is more comprehensive to achieve multipath
Local achievement.By market survey, current each disposing technique generally existing during harmless treatment electrolytic aluminium waste slot liner
Secondary pollution is serious, the adjustment of apparatus and process route is difficult, and relocation equipment transition is of high cost to wait technical barriers.All aluminium electrolysis enterprises
That ripe electrolytic aluminium waste slot liner is not innoxious, disposal of resources technology.
Aluminium cathode raw material mainly includes petroleum coke, coal tar pitch and electric calcined anthracite etc..These raw material sources are in oil stone
Change and coal chemical industry industry.Therefore fossil energy, is developed there is the problems such as reserves are limited, non-renewable and environmental pollution is big
Environmental-friendly new energy is the research topic and industry that future world various countries support energetically.Biomass is currently the only can to turn
Turn to the renewable resource of liquid fuel, have derive from a wealth of sources, enormous amount, easily stored, CO2Zero-emission, NOXAnd SOXDischarge
The advantages that few, have become the fourth largest source after coal, oil and natural gas, account for about global energy total amount consumed at present
15%.As environmental protection puts more effort and technological progress, biomass energy have a extensive future.
As environmental requirement is increasingly strict, the supply of traditional carbon raw materials is more nervous and quality declines, with new bio
Matter Carbon Materials substitute aluminium cathode part material, have broad application prospects, and exploitation novel biomass Carbon Materials have important
Meaning.
Invention content
It gives up cathode recycling processing method and processing in order to solve the above technical problem, the present invention provides a kind of aluminium electroloysis
System, it is therefore an objective to realize the recycling of useless cathode, effectively using biomass energy, useless cathode be made to obtain at recycling
Reason, while the broken this non-renewable resources of coke, petroleum coke, anthracite, graphite are saved, and the material generated in production process
It is utilized effectively, does not generate secondary pollution.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
Aluminium electroloysis is given up cathode recycling processing method, and its step are as follows：Useless cathode is taken to obtain carbon block particle by broken, it will be broken
Obtained carbon block particle is transported in continuous high-temperature stove entrance mixing equipment, and biomass waste material is taken to be dried after crushing, and is dried
Biological particles after dry are transported in continuous high-temperature stove entrance mixing equipment, and biological particles and carbon block particle are by mixing
Mixed material afterwards enters 1500-2600 DEG C of heating in continuous high-temperature stove and keeps the temperature 30-60 minutes, is subsequently cooled to room temperature and obtains
To mixing Carbon Materials, this mixing Carbon Materials is added to biomass adhesive in mixing equipment and is mixed, mixed material is defeated
It is sent in molding machine and is molded, material after molding obtains Carbon Materials by drying.
Above-mentioned useless cathode passes through the carbon block particle for being crushed to granularity≤10mm, and biomass waste material is crushed to granularity≤10mm
Biological particles.
The flue gas of above-mentioned continuous high-temperature stove is discharged into after purification in chimney, the biomass char of cleaning equipment recycling
The coke that oil is obtained by 800-1000 DEG C of high temperature distillation after 30-90 minutes is mixed in anode coke for producing qualified charcoal sun
Pole.
Aluminium electroloysis is given up cathode recycling treatment system, and structure is as follows：The discharge end of first crushing plant is high with continous way
Warm stove feeding end connection, the discharge end of the second crushing plant are connect with the feeding end of continuous high-temperature stove, continuous high-temperature stove
Material outlet is connect with cooling equipment feeding mouth, and the feeding end for cooling down equipment discharge end and mixing equipment connects, mixing equipment
The feeding end of discharge end and molding machine connects, and mixing equipment is equipped with biomass adhesive feeding mouth.
The first above-mentioned crushing plant discharge port passes sequentially through the first conveying equipment, the first feed bin and continuous high-temperature stove and enters
Mouth mixing equipment is connect with continuous high-temperature stove.
The discharge port of the second above-mentioned crushing plant passes sequentially through the first drying equipment, biological particles collecting device and
Four conveying equipments, third feed bin, continuous high-temperature stove entrance mixing equipment are connect with continuous high-temperature stove.
Above-mentioned cooling equipment discharge port passes sequentially through the second conveying equipment, the second feed bin and third conveying equipment and batch mixing
The feeding mouth connection of equipment, the discharge port of mixing equipment are connect by the 7th conveying equipment with molding machine feeding mouth.
The discharge port of above-mentioned molding machine is connect by the 8th conveying equipment with the second drying equipment feeding mouth, the second drying
The discharge port of equipment is connect with the 9th conveying equipment.
The biomass adhesive feeding mouth of above-mentioned mixing equipment is connected by the 6th conveying equipment and the 4th feed bin discharge hole
It connects, the 4th feed bin feeding mouth is connect with the 5th conveying equipment.
The entrance of the exhanst gas outlet of above-mentioned continuous high-temperature stove and cleaning equipment connects, the exhanst gas outlet of cleaning equipment with
Chimney entrance connects.
Due to the adoption of the above technical scheme so that the invention has the advantages that and effect：
The present invention uniformly mixes broken useless cathode, biomass waste material, to mixed useless the moon in continuous high-temperature stove
Pole, biomass waste material heat treatment make the cyanogen root decomposition in useless cathode be volatized into flue gas, fluorine ion enters purification with flue gas and is
System, biomass waste material adjust product carbon content by charing, and the furnace gas containing fluoride recycles fluorine according to its physics and chemical property
Salt dissolving.
Whole system water of the present invention, the minimum discharge up to standard of gas pollutant, environment protection standard can effectively improve waste cathode carbon block
Harmless treatment efficiency and resource reclaim maximization.The present invention realizes innoxious, the recycling of useless cathode, effectively
Biomass energy, metallurgy, the aluminium such as product is alternative or partial alternative coke, petroleum coke, calcined anthracite, graphite are broken is utilized
With anode and cathode, the production aggregate of electrode paste, the biomass coke tar that is generated in processing procedure, by high temperature distillation 30-90 minutes
The coke obtained afterwards is mixed in anode coke for producing qualified carbon anode, useless cathode is not only made to obtain recycling treatment, simultaneously
Save the broken this non-renewable resources of coke, petroleum coke, calcined anthracite, graphite, and the material generated in production process
It is utilized effectively, does not generate secondary pollution, environment protection standard processing meets the newest environment protectment protection of country and technical specification will
It asks.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
In figure：1st, the first crushing plant；2nd, the first conveying equipment；3rd, the first feed bin；4th, continuous high-temperature stove entrance batch mixing
Equipment；5th, continuous high-temperature stove；6th, continuous high-temperature outlet of still；7th, equipment is cooled down；8th, cleaning equipment；9th, chimney；10th, second is defeated
Send equipment；11st, the second feed bin；12nd, third conveying equipment；13rd, the second disintegrating apparatus；14th, the first drying equipment；15th, biomass
Apparatus for collecting particles；16th, the 4th conveying equipment；17th, third feed bin；18th, the 5th conveying equipment；19th, the 4th feed bin；20th, the 6th
Conveying equipment；21st, mixing equipment；22nd, the 7th conveying equipment；23rd, molding machine；24th, the 8th conveying equipment；25th, the second drying is set
It is standby；26th, the 9th conveying equipment.
Specific embodiment
The technical solution in the embodiment of the present invention clearly completely described with reference to the accompanying drawings and examples.It is aobvious
Right described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on the reality in the present invention
Apply example, those of ordinary skill in the art's all other embodiments obtained without making creative work all belong to
In the scope of protection of the invention.
Method in following embodiments is conventional method unless otherwise instructed, and the percentage composition in following embodiments is equal
For mass percentage.
Embodiment 1
A kind of aluminium electroloysis of the present invention is given up cathode recycling processing method, and useless cathode is taken to be put into the first crushing plant and is crushed, is broken
The carbon block particle of granularity≤10mm is broken to, broken carbon block particle will be obtained and be transported in continuous high-temperature stove entrance mixing equipment,
Biomass waste material is put into the biological particles that granularity≤10mm is crushed in the second crusher, biological particles are transported to drying
It is dried in equipment, is dried to moisture<10%, the biological particles after drying are transported to continuous high-temperature stove entrance batch mixing and set
In standby, biological particles and carbon block particle enter in continuous high-temperature stove by mixed mixed material and heat 1500 DEG C of guarantors
Temperature 60 minutes, is subsequently cooled to room temperature and obtains mixing Carbon Materials, this is mixed Carbon Materials is added to batch mixing with biomass adhesive
It being mixed in equipment, mixed material, which is transported in molding machine, to be molded, and material after molding obtains Carbon Materials by drying,
The mass ratio of useless cathode, biomass waste material and biomass adhesive is 100:10:1.
Molding can produce the Carbon Materials of different size shape, it can be used for substituting or partial alternative coke, petroleum coke,
The metallurgy such as calcined anthracite, graphite is broken, aluminium anode and cathode, electrode paste production aggregate.
The flue gas of above-mentioned continuous high-temperature stove is discharged into after purification in chimney, the biomass char of cleaning equipment recycling
Oil, the coke obtained after sixty minutes by 900 DEG C of distillations, which is mixed, to be used to produce qualified carbon anode in anode coke.
Biomass waste material used in the present embodiment uses agriculture and forestry organic waste material or timber waste.
Embodiment 2
A kind of aluminium electroloysis of the present invention is given up cathode recycling processing method, and useless cathode is taken to be put into the first crushing plant and is crushed,
The carbon block particle of granularity≤10mm is crushed to, broken obtained carbon block particle is transported to continuous high-temperature stove entrance mixing equipment
In, biomass waste material is put into the biological particles that granularity≤10mm is crushed in the second crusher, biological particles are transported to
It is dried in drying equipment, is dried to moisture<10%, the biological particles after drying are transported to continuous high-temperature stove entrance and mix
It is mixed in material equipment, biological particles and carbon block particle are entered in continuous high-temperature stove by mixed mixed material and heated
2000 DEG C keep the temperature 30 minutes, are subsequently cooled to room temperature and obtain mixing Carbon Materials, this is mixed Carbon Materials adds with biomass adhesive
Enter and mixed into mixing equipment, mixed material, which is transported in molding machine, to be molded, and material after molding is by drying
To Carbon Materials, the mass ratio of give up cathode, biomass waste material and biomass adhesive is 100:70:3.
Molding can produce the Carbon Materials of different size shape, it can be used for substituting or partial alternative coke, petroleum coke,
The metallurgy such as calcined anthracite, graphite is broken, aluminium anode and cathode, electrode paste production aggregate.
The flue gas of above-mentioned continuous high-temperature stove is discharged into after purification in chimney, the biomass char of cleaning equipment recycling
Oil is mixed by the coke that 1000 DEG C obtain after distilling 30 minutes and is used to produce qualified carbon anode in anode coke.
Biomass waste material used in the present embodiment uses the fowl and animal excrement or waste during Animal husbandry production.
Embodiment 3
A kind of aluminium electroloysis of the present invention is given up cathode recycling processing method, and useless cathode is taken to be put into the first crushing plant and is crushed, is broken
The carbon block particle of granularity≤10mm is broken to, broken carbon block particle will be obtained and be transported in continuous high-temperature stove entrance mixing equipment,
Biomass waste material is put into the biological particles that granularity≤10mm is crushed in the second crusher, biological particles are transported to drying
It is dried in equipment, is dried to moisture<10%, the biological particles after drying are transported to continuous high-temperature stove entrance batch mixing and set
In standby, biological particles and carbon block particle enter in continuous high-temperature stove by mixed mixed material and heat 2500 DEG C of guarantors
Temperature 45 minutes, is subsequently cooled to room temperature and obtains mixing Carbon Materials, this is mixed Carbon Materials is added to batch mixing with biomass adhesive
It being mixed in equipment, mixed material, which is transported in molding machine, to be molded, and material after molding obtains Carbon Materials by drying,
The mass ratio of useless cathode, biomass waste material and biomass adhesive is 100:20:4.
Molding can produce the Carbon Materials of different size shape, it can be used for substituting or partial alternative coke, petroleum coke,
The metallurgy such as calcined anthracite, graphite is broken, aluminium anode and cathode, electrode paste production aggregate.
The flue gas of above-mentioned continuous high-temperature stove is discharged into after purification in chimney, the biomass char of cleaning equipment recycling
Oil is mixed by the coke that 850 DEG C obtain after distilling 70 minutes and is used to produce qualified carbon anode in anode coke.
Biomass waste material used in the present embodiment uses stalk or trees in agriculture and forestry production process.
Embodiment 4
A kind of aluminium electroloysis of the present invention is given up cathode recycling processing method, and useless cathode is taken to be put into the first crushing plant and is crushed, is broken
The carbon block particle of granularity≤10mm is broken to, broken carbon block particle will be obtained and be transported in continuous high-temperature stove entrance mixing equipment,
Biomass waste material is put into the biological particles that granularity≤10mm is crushed in the second crusher, biological particles are transported to drying
It is dried in equipment, is dried to moisture<10%, the biological particles after drying are transported to continuous high-temperature stove entrance batch mixing and set
In standby, biological particles and carbon block particle enter in continuous high-temperature stove by mixed mixed material and heat 2200 DEG C of guarantors
Temperature 55 minutes, is subsequently cooled to room temperature and obtains mixing Carbon Materials, this is mixed Carbon Materials is added to batch mixing with biomass adhesive
It being mixed in equipment, mixed material, which is transported in molding machine, to be molded, and material after molding obtains Carbon Materials by drying,
The mass ratio of useless cathode, biomass waste material and biomass adhesive is 100:60:5.
Molding can produce the Carbon Materials of different size shape, it can be used for substituting or partial alternative coke, petroleum coke,
The metallurgy such as calcined anthracite, graphite is broken, aluminium anode and cathode, electrode paste production aggregate.
The flue gas of above-mentioned continuous high-temperature stove is discharged into after purification in chimney, the biomass char of cleaning equipment recycling
Oil is mixed by the coke that 950 DEG C obtain after distilling 50 minutes and is used to produce qualified carbon anode in anode coke.
Biomass waste material used in the present embodiment uses the lignocellulosic in agriculture and forestry production process.
Embodiment 5
A kind of aluminium electroloysis of the present invention is given up cathode recycling processing method, and useless cathode is taken to be put into the first crushing plant and is crushed, is broken
The carbon block particle of granularity≤10mm is broken to, broken carbon block particle will be obtained and be transported in continuous high-temperature stove entrance mixing equipment,
Biomass waste material is put into the biological particles that granularity≤10mm is crushed in the second crusher, biological particles are transported to drying
It is dried in equipment, is dried to moisture<10%, the biological particles after drying are transported to continuous high-temperature stove entrance batch mixing and set
In standby, biological particles and carbon block particle enter in continuous high-temperature stove by mixed mixed material and heat 1800 DEG C of guarantors
Temperature 35 minutes, is subsequently cooled to room temperature and obtains mixing Carbon Materials, this is mixed Carbon Materials is added to batch mixing with biomass adhesive
It being mixed in equipment, mixed material, which is transported in molding machine, to be molded, and material after molding obtains Carbon Materials by drying,
The mass ratio of useless cathode, biomass waste material and biomass adhesive is 100:30:2.
Molding can produce the Carbon Materials of different size shape, it can be used for substituting or partial alternative coke, petroleum coke,
The metallurgy such as calcined anthracite, graphite is broken, aluminium anode and cathode, electrode paste production aggregate.
The flue gas of above-mentioned continuous high-temperature stove is discharged into after purification in chimney, the biomass char of cleaning equipment recycling
Oil, the coke obtained after forty minutes by 980 DEG C of distillations, which is mixed, to be used to produce qualified carbon anode in anode coke.
Biomass waste material used in the present embodiment uses the lignocellulosic in agriculture and forestry production process.
The cathode recycling treatment system as shown in Figure 1, a kind of aluminium electroloysis of the present invention is given up, structure are as follows：First broken sets
Standby 1 discharge end is connect with 5 feeding end of continuous high-temperature stove, the second discharge end of crushing plant 13 and entering for continuous high-temperature stove 5
Expect end connection, the material outlet of continuous high-temperature stove 5 is connect with cooling 7 feeding mouth of equipment, and cooling 7 discharge end of equipment is set with batch mixing
Standby 21 feeding end connects, and the discharge end of mixing equipment 21 is connect with the feeding end of molding machine 23, and mixing equipment 21 is equipped with life
Substance adhesive feeding mouth.
In order to achieve the purpose that the working efficiency of raising, 1 discharge port of the first crushing plant passes sequentially through the first conveying equipment
2nd, the first feed bin 3 is connect with continuous high-temperature stove entrance mixing equipment 4 with continuous high-temperature stove 5, and the second crushing plant 13 goes out
Material mouth passes sequentially through the first drying equipment 14,15 and the 4th conveying equipment 16 of biological particles collecting device, third feed bin 17, connects
Continuous formula high temperature furnace entrance mixing equipment 4 is connect with continuous high-temperature stove 5, and cooling 7 discharge port of equipment passes sequentially through the second conveying and sets
Standby 10, second feed bin 11 and third conveying equipment 12 are connect with the feeding mouth of mixing equipment 21, and the discharge port of mixing equipment 21 leads to
It crosses the 7th conveying equipment 22 to connect with 23 feeding mouth of molding machine, the discharge port of molding machine 23 passes through the 8th conveying equipment 24 and second
25 feeding mouth of drying equipment connects, and the discharge port of the second drying equipment 25 is connect with the 9th conveying equipment 26, mixing equipment 21
Biomass adhesive feeding mouth is connect by the 6th conveying equipment 20 with 19 discharge port of the 4th feed bin, 19 feeding mouth of the 4th feed bin with
5th conveying equipment 18 connects.
In order to achieve the purpose that Recovery Purifying dust, the exhanst gas outlet of continuous high-temperature stove 5 connects with the entrance of cleaning equipment 8
It connects, the exhanst gas outlet of cleaning equipment 8 is connect with 9 entrance of chimney.
Above equipment is preferably using following specific equipment, but this cannot be used for limiting protection scope of the present invention, as long as energy
Achieve the purpose that each equipment, within protection scope of the present invention, above-mentioned high temperature carbonization equipment 17 uses high temperature carbonization furnace,
First crushing plant 1 uses wood grinder using jaw crusher and the second disintegrating apparatus 13；First conveying equipment 2, second
Conveying equipment 10, the 5th conveying equipment 18 use bucket elevator；Third conveying equipment 12, the 4th conveying equipment the 16, the 6th
Conveying equipment 20, the 7th conveying equipment 22 use screw conveyor；8th conveying equipment 24, the 9th conveying equipment 26 use
Plate chain type conveyer；First feed bin 3, the second feed bin 11,17 and the 4th feed bin 19 of third feed bin use steel feed bin；Cool down equipment
7 use coolconveyer；Cleaning equipment 8 is using the compound dust-precipitator of electric bag；First drying equipment 14 and the second drying equipment 25 are
Using dryer；Biological particles collecting device 15 uses rotoclone collector；Mixing equipment 21 uses edgd runner；Molding
23 extrusion type forming machine of machine；Continuous high-temperature stove entrance mixing equipment 4 uses stirring-type batch mixer.Biomass adhesive is by planting
Object, animal and its excreta etc. are binding agent made from raw material.
The operation principle of the present invention is as follows：By continous way height after useless cathode and biomass waste material crush in above process
After warm stove entrance mixing equipment mixing, heating is carried out to mixed useless cathode, biomass waste material in continuous high-temperature furnace 5
Modified-reaction, makes that the decomposition of the cyanogen root in useless cathode is volatized into flue gas, fluorine ion enters cleaning system, biomass waste material with flue gas
Product carbon content is adjusted by charing, the furnace gas containing fluoride recycles fluoride salt, treating tail gas according to its physics and chemistry-property
Qualified discharge, the biomass coke tar generated in processing procedure, the coke obtained after 30-90 minutes by 800-1000 DEG C of high temperature distillation
Charcoal, which is mixed, to be used to produce qualified carbon anode in anode coke；It can match not according to useless cathode and biomass waste material adding proportion difference
With the novel charcoal material of quality, the cathode that gives up is 100 with the mass ratio of biomass waste material and biomass adhesive:10-70：1-5 models
Enclose interior, product index is as follows（Following index is part, can carry out different ratio according to different requirements and make different categories
Product）：
Carbon Materials index prepared by embodiment 1-5：Fixed C content >=90%, volatile matter≤5.5%, ash content≤3.5%, moisture≤
1%, density can be pressed into 1.4-1.8 g/cm according to substitute products difference3.It improves novel charcoal material density, reduce resistance
Rate, by the coefficient of thermal expansion that further reduced novel charcoal material after drying.
Whole system water of the present invention, the minimum discharge up to standard of gas pollutant, environment protection standard can effectively improve waste cathode carbon block
Harmless treatment efficiency and resource reclaim maximization.The present invention realizes innoxious, the recycling of useless cathode, effectively
Biomass energy, metallurgy, the aluminium such as product is alternative or partial alternative coke, petroleum coke, calcined anthracite, graphite are broken is utilized
With anode and cathode, the production aggregate of electrode paste, the biomass coke tar that is generated in processing procedure, by high temperature distillation 30-90 minutes
The coke obtained afterwards is mixed in anode coke for producing qualified carbon anode, useless cathode is not only made to obtain recycling treatment, simultaneously
The broken this non-renewable resources of coke, petroleum coke, anthracite, graphite are saved, and the material generated in production process obtains
It efficiently uses, does not generate secondary pollution, environment protection standard processing meets the newest environment protectment protection of country and demand of technical standard.
Claims (10)
- The cathode recycling processing method 1. aluminium electroloysis is given up, it is characterised in that step is as follows：Useless cathode is taken to obtain carbon block by broken Broken obtained carbon block particle is transported in continuous high-temperature stove entrance mixing equipment, after biomass waste material is taken to crush by particle It is dried, the biological particles after drying are transported in continuous high-temperature stove entrance mixing equipment, biological particles and carbon block Particle enters 1500-2600 DEG C of heating in continuous high-temperature stove by mixed mixed material and keeps the temperature 30-60 minutes, then It is cooled to room temperature to obtain mixing Carbon Materials, this mixing Carbon Materials is added to biomass adhesive in mixing equipment and is mixed, is mixed Material after conjunction, which is transported in molding machine, to be molded, and material after molding obtains Carbon Materials by drying.
- The cathode recycling processing method 2. the aluminium electroloysis according to right will go 1 is given up, it is characterised in that the useless cathode warp The carbon block particle for being crushed to granularity≤10mm is crossed, biomass waste material is crushed to the biological particles of granularity≤10mm.
- The cathode recycling processing method 3. the aluminium electroloysis according to right will go 1 is given up, it is characterised in that the continous way is high The flue gas of warm stove is steamed after purification by smoke stack emission, the biomass coke tar of cleaning equipment recycling by 800-1000 DEG C of high temperature Coke is obtained after evaporating 30-90 minutes, mixes and is used to produce qualified carbon anode in anode coke.
- The cathode recycling treatment system 4. aluminium electroloysis is given up, it is characterised in that structure is as follows：First crushing plant（1）Discharge end with Continuous high-temperature stove（5）Feeding end connects, the second crushing plant（13）Discharge end and continuous high-temperature stove（5）Feeding end connect It connects, continuous high-temperature stove（5）Material outlet with cooling equipment（7）Feeding mouth connects, and cools down equipment（7）Discharge end is set with batch mixing It is standby（21）Feeding end connection, mixing equipment（21）Discharge end and molding machine（23）Feeding end connection, mixing equipment（21） It is equipped with biomass adhesive feeding mouth.
- The cathode recycling treatment system 5. aluminium electroloysis according to claim 4 is given up, it is characterised in that described first is broken Equipment（1）Discharge port passes sequentially through the first conveying equipment（2）, the first feed bin（3）With continuous high-temperature stove entrance mixing equipment（4） With continuous high-temperature stove（5）Connection.
- The cathode recycling treatment system 6. aluminium electroloysis according to claim 4 is given up, it is characterised in that described second is broken Equipment（13）Discharge port pass sequentially through the first drying equipment（14）, biological particles collecting device（15）With the 4th conveying equipment （16）, third feed bin（17）, continuous high-temperature stove entrance mixing equipment（4）With continuous high-temperature stove（5）Connection.
- The cathode recycling treatment system 7. aluminium electroloysis according to claim 4 is given up, it is characterised in that the cooling equipment （7）Discharge port passes sequentially through the second conveying equipment（10）, the second feed bin（11）With third conveying equipment（12）With mixing equipment （21）Feeding mouth connection, mixing equipment（21）Discharge port pass through the 7th conveying equipment（22）With molding machine（23）Feeding mouth connects It connects.
- The cathode recycling treatment system 8. aluminium electroloysis according to claim 4 is given up, it is characterised in that the molding machine （23）Discharge port pass through the 8th conveying equipment（24）With the second drying equipment（25）Feeding mouth connects, the second drying equipment（25） Discharge port and the 9th conveying equipment（26）Connection.
- The cathode recycling treatment system 9. aluminium electroloysis according to claim 4 is given up, it is characterised in that the mixing equipment （21）Biomass adhesive feeding mouth pass through the 6th conveying equipment（20）With the 4th feed bin（19）Discharge port connects, the 4th feed bin （19）Feeding mouth and the 5th conveying equipment（18）Connection.
- The cathode recycling treatment system 10. aluminium electroloysis according to claim 4 is given up, it is characterised in that the continous way is high Warm stove（5）Exhanst gas outlet and cleaning equipment（8）Entrance connection, cleaning equipment（8）Exhanst gas outlet and chimney（9）Entrance connects It connects.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483339A (en) * | 2021-06-16 | 2021-10-08 | 北京五州惠民环保科技有限公司 | Continuous electric heating furnace and method for resourcefully treating aluminum electrolysis carbon electrode waste |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040076571A1 (en) * | 2002-10-16 | 2004-04-22 | Biothermica Technologies Inc. | Process for treating gaseous emissions generated during production of carbon anodes in an aluminum plant |
| CN103484896A (en) * | 2013-10-11 | 2014-01-01 | 河南科技大学 | Low-cost carbon anode for aluminum electrolysis, and preparation method thereof |
| CN105132950A (en) * | 2015-09-09 | 2015-12-09 | 郑州经纬科技实业有限公司 | System and method for producing fully-graphitized carbon product through waste cathode carbon blocks of electrolyzed aluminum |
| CN105316013A (en) * | 2014-07-31 | 2016-02-10 | 宝山钢铁股份有限公司 | Method for producing coke by replacing part of coal by sawdust |
| CN106269787A (en) * | 2016-08-05 | 2017-01-04 | 北京矿冶研究总院 | High-temperature continuous treatment method for disposing electrolytic aluminum waste cathode |
| CN206069804U (en) * | 2016-07-27 | 2017-04-05 | 郑州经纬科技实业有限公司 | With the anthracitic system of electrolytic aluminium waste cathode carbon block production high graphite |
| WO2017143697A1 (en) * | 2016-02-25 | 2017-08-31 | 沈阳北冶冶金科技有限公司 | Aluminum industry solid waste recovery/petroleum coke high-temperature desulphurization device and using method therefor |
| CN206997328U (en) * | 2017-06-14 | 2018-02-13 | 鲁爽 | A kind of aluminium electroloysis waste cathode carbon block harmless treatment and recovery system |
-
2018
- 2018-03-09 CN CN201810194047.4A patent/CN108264351B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040076571A1 (en) * | 2002-10-16 | 2004-04-22 | Biothermica Technologies Inc. | Process for treating gaseous emissions generated during production of carbon anodes in an aluminum plant |
| CN103484896A (en) * | 2013-10-11 | 2014-01-01 | 河南科技大学 | Low-cost carbon anode for aluminum electrolysis, and preparation method thereof |
| CN105316013A (en) * | 2014-07-31 | 2016-02-10 | 宝山钢铁股份有限公司 | Method for producing coke by replacing part of coal by sawdust |
| CN105132950A (en) * | 2015-09-09 | 2015-12-09 | 郑州经纬科技实业有限公司 | System and method for producing fully-graphitized carbon product through waste cathode carbon blocks of electrolyzed aluminum |
| WO2017143697A1 (en) * | 2016-02-25 | 2017-08-31 | 沈阳北冶冶金科技有限公司 | Aluminum industry solid waste recovery/petroleum coke high-temperature desulphurization device and using method therefor |
| CN206069804U (en) * | 2016-07-27 | 2017-04-05 | 郑州经纬科技实业有限公司 | With the anthracitic system of electrolytic aluminium waste cathode carbon block production high graphite |
| CN106269787A (en) * | 2016-08-05 | 2017-01-04 | 北京矿冶研究总院 | High-temperature continuous treatment method for disposing electrolytic aluminum waste cathode |
| CN206997328U (en) * | 2017-06-14 | 2018-02-13 | 鲁爽 | A kind of aluminium electroloysis waste cathode carbon block harmless treatment and recovery system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483339A (en) * | 2021-06-16 | 2021-10-08 | 北京五州惠民环保科技有限公司 | Continuous electric heating furnace and method for resourcefully treating aluminum electrolysis carbon electrode waste |
| CN113483339B (en) * | 2021-06-16 | 2023-08-25 | 江苏凯丰新能源科技有限公司 | Continuous electric heating furnace and method for recycling aluminum electrolysis carbon electrode waste |
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