CN207394865U - The processing system of aluminium cell slag from delining - Google Patents
The processing system of aluminium cell slag from delining Download PDFInfo
- Publication number
- CN207394865U CN207394865U CN201721095067.3U CN201721095067U CN207394865U CN 207394865 U CN207394865 U CN 207394865U CN 201721095067 U CN201721095067 U CN 201721095067U CN 207394865 U CN207394865 U CN 207394865U
- Authority
- CN
- China
- Prior art keywords
- powder
- outlet
- delining
- discharge port
- cement kiln
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model provides a kind of processing system of aluminium cell slag from delining, including preprocessing station, grinding station, cement kiln burning disposal furnace system and exhaust treatment system；The exhaust treatment system includes the first suction machine, the second suction machine, the first bag collector and the second bag collector；Automobile discharging pit, plate-type feeding, jaw crusher and particle storehouse are provided in the preprocessing station；The grinding station includes the first feeding measurement device, rubber conveyer, scattering grader, rolling grinder, high-efficient powder concentrator and fine powder bin；The cement kiln, which burns treatment furnace, includes feeding measurement machine, coal injection pipe, cement preheating decomposition furnace system, cement kiln and kiln tail gas processing system.Processing system provided by the utility model completely eliminates secondary pollution risk, it can be achieved that harmless treatment aluminium cell slag from delining, environmental-friendly, safety in production.
Description
Technical field
The utility model is related to electrolytic aluminium waste gurry processing technology fields, and in particular to a kind of place of aluminium cell slag from delining
Reason system.
Background technology
Aluminium cell slag from delining is the solid waste that aluminium cell is periodically discharged, and is the institute to being removed during electrolytic cell overhaul
There is the general designation of waste and old inner lining material and carbonaceous electrode material.Mainly include cathode carbon pieces, cathode paste, refractory brick, insulating brick, antiseepage
Material and heat-insulating shield etc., due to fluoride containing noxious material and the cyanide of a small amount of severe toxicity, aluminium cell slag from delining belongs to danger
Dangerous waste is that country prohibites the I class wastes arbitrarily abandoned.Aluminium cell must carry out large repairs for every 3~5 years, according to statistics often
1 ton of electrolytic aluminium of production will generate the aluminium cell slag from delining of 26kg or so.At present, China's accumulation stockpiling aluminium cell slag from delining surpasses
2,000,000 tons are crossed, while increases aluminium cell slag from delining year newly about more than 300,000 tons.
Under the conditions of the prior art, electrolytic aluminium factory is mostly using the method for air storage or soil-burial processing electrolytic aluminium solid
Discarded object not only occupies a large amount of soils, but also the soluble fluoride, the cyanide that wherein contain can also flow into river with rainwater
River, permeate the ground contaminated soil and underground water, surface water, and pole is caused to ecological environment around, human health and animal and plant growth
Big harm.
The country starts late to the research of aluminium cell slag from delining, and aluminium electrolysis enterprise is to electrolytic cell waste lining harmless treatment
There are no heavy industrialization application, a small number of enterprises carried out some small-scale tests, wherein floatation reduction carbon and HF, ice crystal
The utilities such as stone and certain success is achieved by being tested the methods of burning disposal harmful substance, but due to aluminium cell
The characteristics such as slag from delining is difficult to grinding and fluoride, cyanide be readily volatilized are difficult to control, it is possible to cause secondary pollution, Wu Fada
To harmlessness disposing target.
With environmental requirement and environmental protection supervision quick raising, hazardous waste must the place with " three proofings " into
The interim storage of row, while innoxious final disposal must be carried out.Otherwise production unit not only undertakes huge environmental fines, also
The risk closed down at any time can be in.Realize the harmonious development of aluminum electrolysis industry, it is necessary to rely on scientific and technological advances big to aluminium cell
It repaiies slag and carries out harmless treatment.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of processing system of aluminium cell slag from delining, the system
Harmless treatment aluminium cell slag from delining can be achieved, completely eliminate secondary pollution risk, environmental-friendly, safety in production.
In order to achieve the above objectives, the utility model provides following technical solution：
A kind of processing system of aluminium cell slag from delining, including preprocessing station, grinding station, cement kiln burning disposal furnace system
And exhaust treatment system；
The exhaust treatment system include the first suction machine, the second suction machine, the first bag collector, the second bag collector and
Kiln tail gas processing system；
Automobile discharging pit, plate-type feeding, jaw crusher and particle storehouse are provided in the preprocessing station；It is described board-like
Feeder is placed in automobile discharging pit bottom and is connected with jaw crusher；The automobile discharging pit, plate-type feeding and jaw crushing
Machine is connected using dust hood by pipeline with the first bag collector；The suction opening of first suction machine passes through pipeline and first
Bag collector is connected；
The jaw crusher is connected by the first elevator with particle storehouse；
The grinding station includes the first feeding measurement device, rubber conveyer, scattering grader, efficiently rolling grinder, choosing
Powder machine and fine powder bin；
The outlet in the particle storehouse is connected with the first feeding measurement device, and the outlet of the first feeding measurement device passes through
The material inlet connection of rubber conveyer, the second elevator and scattering grader, the coarse powder outlet of the scattering grader are passed through
Current stabilization storehouse is connected with rolling grinder, and the material outlet of the rolling grinder is connected with the second elevator, forms Xun Huan grinding；
The gas vent of the scattering grader and the feed inlet of high-efficient powder concentrator connect, the discharging of the high-efficient powder concentrator
Mouthful one is connected with current stabilization storehouse, and the discharge port two of the high-efficient powder concentrator is connected with the feed inlet of the second bag filter, and described the
The discharge port of two bag filters and the feed inlet of fine powder bin connect；Second bag of the current stabilization storehouse and the gas outlet of rolling grinder
The gas outlet of formula dust-precipitator is connected with the second suction machine；
The cement kiln, which burns treatment furnace, includes feeding measurement machine, coal injection pipe, cement preheating decomposition furnace system and cement kiln；Institute
The discharge port for stating fine powder bin is connected through the feed inlet of feeding measurement machine and coal injection pipe, and the discharge port and cement kiln of the coal injection pipe are pre-
The kiln tail smoke-box connection of thermal decomposition furnace system；At the gas outlet of the kiln tail smoke-box and Pyatyi preheating decomposition furnace and cement kiln waste gas
Reason system connects, and the discharge port of the kiln tail smoke-box is connected with cement kiln.
Further, the processing system is further included except HF systems；The high-efficient powder concentrator replaces with three composition dividing powder separating machine.
Further, it is described except HF systems include weight powder cabin, vertical rapid steamer, rotoclone collector and circulating fan.
Further, the outlet of the first feeding measurement device passes through rubber conveyer, the 4th elevator, current stabilization storehouse
It being connected with rolling grinder, the material outlet of the rolling grinder is connected through the 3rd elevator with the material inlet of scattering grader,
The coarse powder of the scattering grader exports the material inlet connection through the 4th elevator, current stabilization storehouse and rolling grinder, forms Xun Huan
Grinding；
The gas feed of the gas vent and three composition dividing powder separating machine of the scattering grader connects, the three composition dividing powder separating machine
Coarse powder outlet through the material inlet of current stabilization storehouse and rolling grinder connect；The calomel mercurous chloride of the three composition dividing powder separating machine exports and second bag
The feed inlet connection of formula dust-precipitator, the discharge port of second bag filter and the feed inlet of fine powder bin connect；Described three points
Heavy powder outlet from powder concentrator is connected with the feed inlet of weight powder cabin；The current stabilization storehouse and the second pocket type of gas outlet of rolling grinder
The gas outlet of dust-precipitator is connected with the second suction machine；
The discharge port of the fine powder bin is connected through the feed inlet of feeding measurement machine and coal injection pipe, the discharge port of the coal injection pipe
It is connected with the kiln tail smoke-box of cement kiln preheating decomposition furnace system；The gas outlet of the kiln tail smoke-box and Pyatyi preheating decomposition furnace and water
Stall exhaust treatment system connects, and the discharge port of the kiln tail smoke-box is connected with cement kiln；
The orlop of the heavy powder cabin is provided with the second feeding measurement device, and the discharge port of the heavy powder cabin is through the second feeding meter
Amount device, the 5th elevator are connected with the feed inlet of vertical rapid steamer, discharge port and the ground-slag recovery bin of the vertical rapid steamer
Feed inlet be connected；The hot wind inlet of the vertical rapid steamer and the outlet air of the hot blast pipe and circulating fan drawn from kiln tail smoke-box
Mouth is connected, and the hot-blast outlet of the vertical rapid steamer is connected with the air inlet of rotoclone collector, the outlet air of the rotoclone collector
Mouth is connected with the air inlet of circulating fan, and the discharge port of the rotoclone collector is connected with the tremie pipe of quality coal in cement kiln systems；It is described
Tremie pipe is connected with cement kiln.
Further, the air outlet of the circulating fan is drawn with the air inlet of vertical rapid steamer, from kiln tail smoke-box
Hot blast pipe, the air inlet of exhaust blower are connected；The air outlet of the exhaust blower and the tertiary air of cement kiln preheating decomposition furnace system
Pipe is connected.
Further, lime silo and adjuvants metering feeding system, the discharging of the lime silo are additionally provided with outside the preprocessing station
Mouth is connected with the entrance of adjuvants metering feeding system；The outlet of the adjuvants metering feeding system is connected with the feed inlet of the first elevator；Institute
The discharge port for stating the first elevator is connected with the entrance in particle storehouse.The lime silo uses closed steel silo, and orlop is equipped with metering
Feed system.
Further, second suction machine and working off one's feeling vent one's spleen for the first suction machine are connected by the air inlet of pipeline and coal injection pipe
It connects.
Further, the rolling grinder is single-transmission roller press.
The aluminium cell slag from delining that the utility model uses has following fundamental characteristics：
1st, aluminium cell slag from delining forms：
Aluminium cell slag from delining mainly includes waste and old carborundum and waste and old cathode two parts, and general overhaul is no in the process will
Electrolytic cell is discarded flame-proof thermal insulation material and carbonaceous material etc. and is separately stored, but including cathode carbon pieces, cathode paste, refractory brick, guarantor
The mixture of the combinations such as warm brick, Impervious Materials and heat-insulating shield.Aluminium cell slag from delining be beige solid cake mass, general bulk
Granularity be 30~40cm, easy fragmentation, be difficult to it is levigate, have certain viscosity and be varied from the length of its service life.Greatly
It is Main Components to repair carbon block (waste cathode carbon block and anode carbon block) of giving up in slag, generally more than 40%.Its mean calorie is more than
8360kJ/kg (2000kcal/kg)。
Aluminium cell slag from delining chemical composition is C, NaF, Al2O3、SiO2Material account for more than 90% and it is a small amount of other
Impurity.Old happiness equality people, has found that the object phase composition of waste tank lining is more complicated by X-diffraction analysis, visible more in XRD spectrums
Fluoride.Fluoride in waste tank lining is with NaF, Na3AIF6And CaF2Form exists, and mostlys come from electrolyte to cathode
The infiltration and erosion of liner.In addition more graphite and β-NaAl are also contained in waste tank lining11Ol7,β-NaAl11Ol7It is protected for fire resisting
Adiabator and the product for the electrolysis qualitative response generation penetrated into, graphite come from slow graphite of the carbonaceous material under electrolysis temperature
Change.Due to each electrolytic aluminium factory current capacity, inner lining structure, inner lining material species, Electrolytic conditions, operating duty, slot longevity
Life difference is larger, and the concrete composition of waste lining is multifarious.Content of fluoride therein also has difference certainly.Research shows to tear open
In the waste lining removed, carbonaceous material accounts for 37%, in addition containing ice crystal, sodium fluoride, nepheline, mono- aluminium oxide of β, a small amount of α-
Aluminium oxide, aluminium carbide, aluminium nitride, alfer and micro cyanide (about 0.2%).
(1) waste cathode carbon block.
The fused salt caused by infiltration of heat effect, chemical action, mechanical erosion effect, electro ultrafiltration, sodium and electrolyte etc.
Reaction chemically reacts, and the cathode carbon pieces use in aluminium cell is damaged after a certain period of time.Waste cathode carbon block typically contain C, NaF,
Na3AlF6、AlF3、CaF2、Al2O3Deng being about 50%~70% containing C, electrolyte fluoride is about 50%~30%, and cyanide is about
For 0.2%.Its F-Content reached 9.86%.Calorific value is more than 20000kJ/kg.It is equivalent to the calorific value of general coal.
1 waste cathode carbon block main chemical compositions analysis result of table
| Chemical composition | Loss on ignition | F | Na | Al | Ca | Fe | SiO2 |
| Content % | 58.56 | 9.86 | 11.86 | 2.42 | 1.36 | 0.74 | 4.33 |
(2) scrap anode carbon granule.
Scrap anode carbon granule is the carbon granule anode that electrolyte in electrolysis and Electolyte-absorptive is not engaged in aluminium electrolysis process, again
Claim anode breeze.The main component of anode carbon granule is with ice crystal (Na3AlF6) based on sodium aluminium fluoride, α-Al2O3And carbon.
Carbon containing about 40%, electrolyte fluoride about 60%.Table 2 is the main chemical elements analysis result of certain factory's scrap anode carbon granule, and table 3 is
Its main material phase analysis result.Analysis result shows that aluminium manufacturer's scrap anode carbon granule mainly contains C, α-Al2O3, ice crystal
(Na3AlF6), a small amount of weberite (Na2MgAlF7) and chiolite (Na5Al3F14) etc., wherein fluorine content reaches
32.26%.Calorific value is more than 20000kJ/kg.It is equivalent to the calorific value of general coal.
The main chemical elements analysis result of 2 scrap anode carbon granule of table
| Element | F | Al | Na | Ca | Fe | Si | Mg | C |
| Content % | 32.26 | 12.91 | 16.34 | 1.08 | 0.52 | 1.70 | 0.82 | 19.68 |
The main object distributed mutually rate of 3 scrap anode carbon granule of table
| It is separate | Composition | Distributive law (%) |
| Ice crystal | Na3AlF6 | 40-45 |
| Fluorine magnalium receives stone | Na2MgAlF7 | 5-10 |
| Chiolite | Na5Al3F14 | 5 |
| Aluminium oxide | α-Al2O3 | 15 |
| Graphite | C | 20 |
| Other impurity | — | 5 |
(3) give up SiC-Si3N4Refractory brick.
Main component is SiC, Si3N4And NaF, Na immersed in electrolytic process3AlF6Deng.Table 4 is the refractory brick
Analysis of chemical elements is as a result, from X-ray diffraction analysis result, the useless SiC-Si3N4Mainly contained in refractory brick SiC,
Si3N4, NaF and micro aluminosilicate.
Table 4 gives up SiC-Si3N4Refractory brick main chemical compositions analysis result
| Chemical composition | Si3N4 | SiC | Al2O3 | Fe2O3 | C | f_Si | Na2O | F |
| Content (%) | 19.53 | 67.16 | 1.19 | 0.23 | 1.41 | 0.26 | 3.74 | 3.65 |
F_Si represents free silica.
2nd, aluminium cell slag from delining endangers：
Fluoride in aluminium cell slag from delining is with NaF, CaF2And Na3AlF6Presence, wherein NaF meet water dissolution generate
F-, harmfulness is very big, CaF2It does not dissolve in water, substantially harmless, Na3AlF6Heated be easily decomposed into AlF3And NaF, have certain
Harm.Cyanide in aluminium cell slag from delining is with NaCN and Na (FeCN6) exist, meet the CN that water dissolution generates-.And it releases
Hypertoxic HCN on a small quantity with regard to that can cause people's poisoning and in seconds death (the HCN amounts of general causing death are 0.05g), there is skin wiping
Wound enters blood or can make one to be poisoned into respiratory tract.It is reported that leachate fluorine content can in aluminium cell slag from delining
Up to 2800mg/L, CN-Content is up to 10~40mg/L (notes：F-And CN-Content because of groove profile, service life, cell lining knot
Structure, operating procedure it is different and different), substantially exceed country《One leaching characteristic identification of hazardous waste judging standard》Standard
It is required that (F-<50mg/L、CN-<1mg/L), therefore electrolytic aluminium solid waste category industrial dangerous waste.It is as harmless in carried out not in time
Change is handled, and harm will be long-term.
3rd, aluminium cell slag from delining cement kiln collaboration harmless recycling technology principle
The main component of aluminium cell slag from delining is C, NaF, NaCN, Na3AlF6、AlF3、CaF2、Al2O3、SiO2、SiC、
Si3N4Deng by the following reaction of generation under the conditions of cement kiln high-temperature and strong CaO：
C+O2---CO2+ heat
Na3AlF6+O2+Ca2+---NaO+AL2O3+CaF2(elimination toxicity)
F-+Ca2+---CaF2(elimination toxicity)
CN-+O2---CO2+N2(elimination toxicity)
SiC+O2---SiO2+CO2
Si3N4+O2---SiO2+NO2 NO2+NH3---N2+H2O (ammonia denitration))
1. the carbon block in aluminium cell slag from delining has preferable caloric value, average heat production is generally in 2000kcal/kg
Left and right, the coal using 0.4 ton of caloric value 5000kcal/kg is equivalent to using 1 ton of aluminium cell slag from delining, is conducive to save water
Mud is burnt till with coal, is realized energy-saving.
2. fluorine ion, NaO, Al in aluminium cell slag from delining2O3、SiO2Deng, fluorine ion by the CaO in cement kiln absorb into
For CaF2, CaF2, NaO enters becomes Mineralizer of Clinker, Al in cement kiln2O3And SiO2It is the basis of clinker, in kiln
Interior formation clinker；Other heavy metal elements are cured in clinker lattice, realize recycling.
3. under hot conditions, cyanic acid ion will be oxidized to CO2And N2, completely eliminate its toxicity.Fluorine ion is by cement kiln
In CaO absorb become CaF2, become cement clinker mineralizer, the pollution to environment will not be caused, realize harmlessness disposing.
4. silicon carbide brick slag will partly be oxidized to SiO under the conditions of cement kiln high-temperature2Clinker Main Components, not by
Oxidation into clinker and will become the harmless mixing material of cement.
5. cause NaO and CaF for a large amount of processing2May be excessive, thus the danger such as quality coal in cement kiln systems Coating clogging can be caused
Evil long-term safety operation risk, it is also possible to be adversely affected to cement quality, at this moment, bypass bypass combustion may be employed
Firing method process aluminum electrolytic groove overhaul slag, by the way that cement kiln bypath system is set to trap part NaO and CaF2, harm reduction, from
And ability to be harmless of the quality coal in cement kiln systems to aluminium cell slag from delining is expanded.
Compared with the prior art, the utility model has following advantage：
The utility model provides a kind of processing system of aluminium cell slag from delining, after aluminium cell slag from delining is crushed
It is mixed with lime fluorine fixing material, mixture is by grinding and powder is selected to cycle to obtain after fine powder burnt in cement kiln, complete
It totally disappeared except harm so that aluminium electroloysis overhaul slot loses toxicity completely.Entire processing system is in sealed environment, the exhaust gas base of generation
This is dry gas, and exhaust gas finally discharges after burning, realizes cleaning discharge and will not cause secondary atmosphere pollution；It generates
Residue is used for clinker, can effectively carry out secondary use, completely eliminates the risk of secondary pollution, realizes that environment and production are pacified
Entirely.
The processing system of the utility model, simple, reliable, using existing quality coal in cement kiln systems, operating cost is low, and having can
Continuation.During utilization, aluminium electroloysis slag from delining will not meet water and generate volatilization gas, pyrolysis the processing system of the utility model
The exhaust gas of generation is reacted with fluorine fixing material, effectively prevents fluoride and cyanide secondary pollution；It is being used in processing system
In the process, shattering process exhaust gas is handled using seal closure and suction machine, is prevented from spreading, is met environmental requirement；Using roll-in
Before machine carries out grinding, add in lime fluorine fixing material and can effectively avoid the substantial amounts of HF of generation, while by the way that the wind feeding after powder will be selected useless
Gas processing system eliminates the harm of pernicious gas and dust, realizes the recycling of wind while reduces externally discharge；Material burns
It is calcined in cement kiln high-temperature alkaline environment, acidic fluoride is entered clinker in strong basicity CaO with formation Mineralizer of Clinker, complete
It totally disappeared except harm.Cyanide is decomposed into harmless CO in high temperature alkalization calcining2And N2, toxicity is lost completely.
In addition, the processing system of the utility model can also be efficiently separated out containing ice crystal and refractory brick ground-slag, pass through high temperature
After sour gas in evaporation ground-slag makes it be cured with the alkaline matter in high-temperature hot-air so that recycling containing ice crystal and
Refractory brick ground-slag can be used as the raw material of electrolytic aluminium factory, can effectively realize secondary use, completely eliminate the risk of secondary pollution.
Description of the drawings
The structure diagram of the processing system of the aluminium cell slag from delining of Fig. 1 the utility model embodiments 1；
The structure diagram of the processing system of the aluminium cell slag from delining of Fig. 2 the utility model embodiments 2.
Specific embodiment
Below in conjunction with the utility model specific embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained shall fall within the protection scope of the present invention.
In addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of this technical solution is not present, also not within the protection domain of the requires of the utility model.
Embodiment 1
As shown in Figure 1, the utility model provides a kind of processing system of aluminium cell slag from delining, including preprocessing station, powder
Mill station, cement kiln burning disposal furnace system and exhaust treatment system；
The exhaust treatment system includes 14, second bags of the first suction machine 15, the second suction machine 28, the first bag collector receipts
Dirt device 27 and kiln tail gas processing system 35；Second suction machine 28 and the first suction machine 15 are worked off one's feeling vent one's spleen through pipeline and coal injection pipe
32 air inlet connection；
Automobile discharging pit 11, plate-type feeding 12,13, first bags of jaw crusher is provided in the preprocessing station to gather dust
Device 14, the first suction machine 15；The plate-type feeding 12 is placed in 11 bottom of automobile discharging pit and is connected with jaw crusher 13, uses
In crushing aluminum electrolytic cell overhaul slag；The automobile discharging pit 11, plate-type feeding 12, jaw crusher 13 are led to using dust hood
Piping is connected with the first bag collector 14；The suction opening of first suction machine 15 passes through pipeline and the first bag collector 14
It is connected, all waste gases use after being purified after the processing of the first bag collector 14 as coal injection system First air.Hubei Province formula crushes
Coarse smash equipment of the machine 13 as aluminium cell slag from delining can require to select modular system according to treating capacity；Crushing operation is full
Foot enters the charging Particle size requirements of powder-grinding process, since using rolling grinder 22, as milling equipment, feed size is less than
400mm is divided more than 400mm using tension weight churning, and product granularity is less than 25mm, crusher yield 30t/h, split run production.
The jaw crusher 13 is connected by the first elevator 16 with particle storehouse 18；
Be additionally provided with lime silo 19 and adjuvants metering feeding system 17 outside the preprocessing station, the discharge port of the lime silo 19 with
The entrance connection of adjuvants metering feeding system 17；The outlet of the adjuvants metering feeding system 17 is connected with the feed inlet of the first elevator 16；
The discharge port of first elevator 16 is connected with the entrance in particle storehouse 18；
It is transferred to after pulverized limestone in the broken broken granular material supplying lime silo 19 using the first elevator 16 broken
Feed bin 18 stores.
The lime silo 19 uses closed steel silo, and orlop is equipped with adjuvants metering feeding system.
The grinding station 2 includes the first feeding measurement device 21, rubber conveyer 23a, scattering grader 24, rolling grinder
22nd, high-efficient powder concentrator 25 and fine powder bin 26,
The outlet in the particle storehouse 18 is connected with the first feeding measurement device 21, and the first feeding measurement device 21 goes out
Mouth is connected by rubber conveyer 23a, the second elevator 23 with the material inlet of scattering grader 24, the scattering grader 24
Coarse powder outlet be connected by current stabilization storehouse 22a with rolling grinder 22, the material outlet and the second elevator of the rolling grinder 22
23 are connected, and form Xun Huan grinding；It is embodied in：Broken aluminium cell slag from delining draws off from particle storehouse 18 and is fed with first
Material metering device 21 measures, and blend compounds band conveyer 23a is transported to the second elevator 23, and material is sent to through the second elevator 23 and beats
Grader 24 is dissipated, the coarse powder of scattering grader 24 returns to 22 grinding of rolling grinder after the 22a of current stabilization storehouse, and rolling grinder 22 exports
It is connected with 23 feed inlet of the second elevator, forms Xun Huan grinding；
The gas vent of the scattering grader 24 is connected with the feed inlet of high-efficient powder concentrator 25, the high-efficient powder concentrator 25
Discharge port one be connected with current stabilization storehouse 22a, the charging of two and second bag filter 27 of discharge port of the high-efficient powder concentrator 25
Mouth connection, the discharge port of second bag filter 27 are connected with the feed inlet of fine powder bin 26；The current stabilization storehouse 26 and roll-in
The gas outlet of the second bag filter of gas outlet 27 of grinding machine 22 is connected with the second suction machine 28；It is embodied in：It breaks up point
Gas in grade machine 24, which is wrapped up in enter high-efficient powder concentrator 25 with powder and continue the relatively coarse powder selected after the 22a of current stabilization storehouse, returns to roller
Grinder 22 continues cycling through grinding, and the fine powder for reaching requirement is stored in fine powder bin by whole accept of the second bag filter 27
In 26；Gas in current stabilization storehouse 22a and rolling grinder 22 enters the second suction machine 28 through the second bag filter 27；All gas
It is extracted using the second suction machine 28, most of to recycle, the exhaust gas of small part and preprocessing station is together as burning needs
Coal injection system First air enters cement and burns burning in kiln.The rolling grinder 22 of grinding station 2 be single-transmission roller press, the roll-in
Machine operating pressure is big, and low energy consumption, is applicable in the hard ware material of difficult mill, will not generate grinding and high temperataure phenomena in grinding process and make
Into coal dust explosion equivalent risk；It can be met the requirements after roll surface is specially treated；Feed size is less than 40mm, throughput 90t/h,
Fineness is the finished product accounting 20% of 100 mesh in product, and the yield of grinding station is more than 8t/h, and system power consumption is less than 30kwh/t, split run
Production.
The cement kiln, which burns treatment furnace, includes feeding measurement machine 31, coal injection pipe 32, cement preheating decomposition furnace system 33, cement
Kiln 34；The discharge port of the fine powder bin 26 is connected through feeding measurement machine 31 with the feed inlet of coal injection pipe 32, the coal injection pipe 32
Discharge port is connected with the kiln tail smoke-box of cement kiln preheating decomposition furnace system 33；The gas outlet of the kiln tail smoke-box and Pyatyi preheating point
Solution stove 36 and cement kiln waste gas processing system 35 connect, and the discharge port of the kiln tail smoke-box is connected with cement kiln 34；Specific manifestation
For：Aluminium cell slag from delining continues to feed using the metering of feeding measurement machine 31 by the fine powder after grinding after the outflow of fine powder bin 26
Material, then the kiln tail smoke-box of cement kiln preheating decomposition furnace system 33 is sprayed into 950 DEG C of high temperature strong alkaline conditions with 32 strength of coal injection pipe
Lower burning.Gas enters clean harmless row after Pyatyi preheating decomposition furnace 36 and the processing of cement kiln waste gas processing system 35 after burning
It puts, ashes, which enter in cement kiln 34, burns till clinker.
It is handled, is specifically comprised the following steps with the processing system of the aluminium cell slag from delining of the present embodiment：
Step 1)：The aluminium cell slag from delining of waste product storehouse from electrolytic aluminium factory, through transport vehicle transports to pre- place
Reason station, is covered in transportational process using waterproof cloth, is prevented material and dust leakage in transportational process and is vaporized；Reach preprocessing station
Afterwards, directly aluminium cell slag from delining is discharged into automobile discharging pit, automobile discharging pit is arranged in sealing device, close during discharging
The automatically-controlled door of seal apparatus is opened, and vehicle enters, and automatically-controlled door is closed after the completion of discharging；Material passes through plate-type feeding after the completion of discharging
Effect crushes material into jaw crusher, jaw crusher, and the grain size of broken material is less than 40mm, crushes
Afterwards, micro-vacuum state is formed in the first suction machine effect lower sealing device, and gas is pumped into the first bag collector, gas
It is used after the first bag collector is handled as coal injection system First air；Both aluminium cell slag from delining and lime fluorine fixing material
Ratio determined by the feature of aluminium cell slag from delining.Crushing section, material is essentially block and granular, and dust floating is little,
The volatilization possibility of pernicious gas is relatively low.For this purpose, sealing device sealing is taken vehicle material discharging to prevent from spreading, realization is arranged in a organized way
It puts, and the first suction machine is set to be connected with the first bag collector to meet environmental requirement.
Step 2)：The broken material of step 1) is added in after lime fluorine fixing material is mixed by adjuvants metering feeding system through the
The effect of one elevator enters feeding measurement device into particle storehouse from particle storehouse, and the is transported to by rubber conveyer after metering
Two elevators and then the feeding progress scattering and grading of scattering grader 24, the coarse powder progress grinding separated, the fine powder separated enter height
Effect powder concentrator is selected powder again；The relatively fine powder for reaching requirement selected enters the second bag filter after separation by gas
Into fine powder bin, the relatively coarse powder selected enters rolling grinder and continues grinding, further by crushing material, largely may generate
There are HF volatilizations, addition CaO consolidates fluorine in the raw material crushed therefore in step 1), makes the HF that may be volatilized and CaO reaction generations CaF2,
The harm of pernicious gas and dust is essentially eliminated by cyclonic separation simultaneously；Grinding process realizes recycling with wind substantially,
Reduce externally discharge；Select the wind after powder through the second suction machine extraction after as coal injection system First air be sent into cement burn kiln into
Row burns.
Step 3)：Kiln tail smoke-box is sprayed into after fine powder is measured from fine powder bin outflow to burn, burn required wind
The gas extracted out from the first suction machine and the second suction machine, reduces exhaust gas discharge；The temperature of combustion process is more than 900 DEG C；Or
Person uses after fine powder is mixed with coal dust as the tail coal of dore furnace burning, and wherein the mixed proportion of fine powder and coal dust is 1~2:5
~10；The unburned fine powder in part or other substances, which are fallen directly into, in combustion process continues to calcine in rotary kiln, the ash after calcining
Cinder is used as clinker.High-temp combustion can effectively remove the toxic gases such as HF and HCN in cement kiln.
Step 4)：Gas after step 3) burning enters Pyatyi preheating decomposition furnace and carries out the highly basic (oxidation of quality coal in cement kiln systems
Calcium) consolidate the raw meal powder in the material and quality coal in cement kiln systems formed after fluorine together into burning in cement kiln；
Step 5)：Gas after step 4) burning realizes cleaning discharge after the processing of kiln tail gas processing system；The step
It is rapid 3) to be used for clinker with the residue after step 4) burning.Workshop section is burned, material is burned in cement kiln high-temperature alkaline environment
Calcining, acidic fluoride are entered clinker with formation Mineralizer of Clinker in strong basicity CaO, completely eliminate harm.Cyanide exists
Harmless CO is decomposed into high temperature alkalization calcining2And N2, toxicity is lost completely.
Embodiment 2
As shown in Fig. 2, the utility model provides a kind of processing system of aluminium cell slag from delining, including preprocessing station, powder
Grind station, cement kiln burning disposal furnace system, exhaust treatment system and except HF systems；
The exhaust treatment system includes 14, second bags of the first suction machine 15, the second suction machine 28, the first bag collector receipts
Dirt device 27 and kiln tail gas processing system 35；Second suction machine 28 and the first suction machine 15 are worked off one's feeling vent one's spleen through pipeline and coal injection pipe
32 air inlet connection；
The HF systems of removing include weight powder cabin 41, vertical rapid steamer 44, rotoclone collector 46 and circulating fan 47；
Automobile discharging pit 11, plate-type feeding 12,13, first bags of jaw crusher is provided in the preprocessing station to gather dust
Device 14, the first suction machine 15；The plate-type feeding 12 is placed in 11 bottom of automobile discharging pit and is connected with jaw crusher 13, uses
In crushing aluminum electrolytic cell overhaul slag；The crusher material feeding hole 11 and plate-type feeding 12, jaw crusher 13 use dust suction
Cover is connected by pipeline with the first bag collector 14；The suction opening of first suction machine 15 is connected with the first bag collector 14,
All waste gases use after being purified after the processing of the first bag collector 14 as coal injection system First air.Jaw crusher 13 is made
For the coarse smash equipment of aluminium cell slag from delining, can be required to select modular system according to treating capacity；Crushing operation enters to meet
The charging Particle size requirements of powder-grinding process, since, as milling equipment, feed size is less than 400mm, is more than using rolling grinder 22
400mm's is divided using tension weight churning, and product granularity is less than 25mm, crusher yield 30t/h, split run production.
The jaw crusher 13 is connected by the first elevator 16 with particle storehouse 18；It is additionally provided with outside the preprocessing station
Lime silo 19 and adjuvants metering feeding system 17, the discharge port of the lime silo 19 are connected with the entrance of adjuvants metering feeding system 17；It is described
The outlet of adjuvants metering feeding system 17 is connected with the feed inlet of the first elevator 16；The discharge port and particle of first elevator 16
The entrance connection in storehouse 18；
It is transferred to after pulverized limestone in the broken broken granular material supplying lime silo 19 using the first elevator 16 broken
Feed bin 18 stores.
The lime silo 19 uses closed steel silo, and orlop is equipped with adjuvants metering feeding system.
The grinding station includes the first feeding measurement device 21, rubber conveyer 23a, scattering grader 24, rolling grinder
22nd, three composition dividing powder separating machine 25a and fine powder bin 26,
The outlet of the first feeding measurement device 21 passes through rubber conveyer 23a, the 4th elevator 23c, current stabilization storehouse 22a
It is connected with rolling grinder 22, material of the material outlet through the 3rd elevator 23b Yu scattering grader 24 of the rolling grinder 22
Import is connected, object of the coarse powder outlet through the 4th elevator 23c, current stabilization storehouse 22a Yu rolling grinder 22 of the scattering grader 24
Expect import connection, form Xun Huan grinding；It is embodied in：Broken aluminium cell slag from delining is drawn off from particle storehouse 18 with first
Feeding measurement device 21 measures, and blend compounds band conveyer 23a is transported to the 4th elevator 23c, and material passes through the 4th elevator 23c
Into 22 grinding of rolling grinder after the 22a of current stabilization storehouse, the material of rolling grinder 22 is promoted to through the 3rd elevator 23b to be beaten for effect
Grader 24 is dissipated, coarse powder enters 22 grinding of rolling grinder through the 4th elevator 23c, current stabilization storehouse 22a in scattering grader 24, forms
Cycle grinding；
The gas vent of the scattering grader 24 is connected with the gas feed of three composition dividing powder separating machine 25a, three separation
The coarse powder outlet of powder concentrator 25a is connected through current stabilization storehouse 22a with the material inlet of rolling grinder 22；The three composition dividing powder separating machine 25a
Calomel mercurous chloride outlet be connected with the feed inlet of the second bag filter 27, the discharge port and fine powder bin of second bag filter 27
26 feed inlet connection；The weight powder outlet of the three composition dividing powder separating machine 25 is connected with the feed inlet of weight powder cabin 41；The current stabilization storehouse
The gas outlet of the second bag filter of gas outlet 27 of 22a and rolling grinder 22 is connected with the second suction machine 28；Specific manifestation
For：Gas in scattering grader 24, which is wrapped up in, to be entered three composition dividing powder separating machine 25a with powder and continues the relatively coarse powder selected by current stabilization storehouse
Rolling grinder 22 is returned to after 22a and continues cycling through grinding, the fine powder for reaching requirement is gone out using gravity separation containing ice crystal and refractory brick
The heavy powder of ground-slag and the calomel mercurous chloride containing carbon, the calomel mercurous chloride containing carbon are all accepted by the second bag filter 27 and are stored in fine powder bin
In 26, the weight powder containing ice crystal and refractory brick ground-slag enters weight powder cabin 41 from the outlet of three composition dividing powder separating machine 25；Current stabilization storehouse 22a and
Gas in rolling grinder 22 enters the second suction machine 28 through the second bag filter 27；All gas use the second suction machine
28 extract, most of to recycle, and the exhaust gas of small part and preprocessing station is together as the coal injection system First air for burning needs
It burns in kiln and burns into cement.The rolling grinder 22 of grinding station 2 is single-transmission roller press, and the roll squeezer operating pressure is big,
Low energy consumption, is applicable in the hard ware material of difficult mill, will not generate grinding and high temperataure phenomena in grinding process and cause coal dust explosion etc.
Risk；It can be met the requirements after roll surface is specially treated；Feed size is less than 40mm, throughput 90t/h, and fineness is in product
The finished product accounting 20% of 100 mesh, the yield of grinding station are more than 8t/h, and system power consumption is less than 30kwh/t, split run production.
The exhaust treatment system includes the first suction machine 15, the second suction machine 28, the first bag collector 14 and second bag
Dust-precipitator 27；
The cement kiln, which burns treatment furnace, includes metering feed device 31, coal injection pipe 32, cement preheating decomposition furnace system 33, water
Stall 34；The discharge port of the fine powder bin 26 is connected through feeding measurement machine 31 with the feed inlet of coal injection pipe 32, the coal injection pipe 32
Discharge port be connected with the kiln tail smoke-box of cement kiln preheating decomposition furnace system 33；The gas outlet of the kiln tail smoke-box is preheated with Pyatyi
Dore furnace 36 and cement kiln waste gas processing system 35 connect, and the discharge port of the kiln tail smoke-box is connected with cement kiln 34；Specific table
It is now：Calomel mercurous chloride containing carbon continues after the outflow of fine powder bin 26 using 31 metering feeding of feeding measurement machine, then with 32 gas of coal injection pipe
The kiln tail smoke-box that power sprays into cement kiln preheating decomposition furnace system 33 burns under 950 DEG C of high temperature strong alkaline conditions.The gas after burning
Body enters clean harmless emission after Pyatyi preheating decomposition furnace 36 and the processing of cement kiln waste gas processing system 35, and ashes enter cement kiln
Clinker is burnt till in 34.
The HF systems of removing include weight powder cabin 41, vertical rapid steamer 44, rotoclone collector 46 and circulating fan 47；It is described to remove
HF systems are by the way that heavy amount containing being effectively recycled after ice crystal and refractory brick ground-slag high temperature removal HF, can not only be eliminated
Slag from delining brings the harm of the elements such as possibility excess K, Na, F of cement kiln into, and has recycled useful ice crystal and carborundum material
Material, realization recycle.The system and method is particularly suitable for the project for requiring disposal amount big.
The orlop of the heavy powder cabin 41 is provided with the second feeding measurement device 42, and the discharge port of the heavy powder cabin 41 is through second
Feeding measurement device, the 5th elevator 43 are connected with vertical 44 feed inlet of rapid steamer, and vertical 44 discharge port of rapid steamer is returned with ground-slag
45 feed inlet of storehouse is received to be connected；The hot wind inlet of the vertical rapid steamer 44 and the hot blast pipe and circulated air drawn from kiln tail smoke-box
The air outlet of machine 47 is connected, and the hot-blast outlet of vertical rapid steamer 44 is connected with 46 air inlet of rotoclone collector, rotoclone collector 46
Air outlet be connected with the air inlet of circulating fan 47,46 discharge port of rotoclone collector is connected with quality coal in cement kiln systems C5 tremie pipes,
The tremie pipe is connected with cement kiln.It is embodied in：Heavy powder containing ice crystal and refractory brick ground-slag is promoted to after metering
Vertical rapid steamer 44, vertical 44 high temperature of rapid steamer remove the HF and HCN in the heavy powder containing ice crystal and refractory brick ground-slag, these are strong
The CaO of hot wind of the sour gas with entering from kiln tail smoke-box is cured as CaF2And CaCN2, wrap up carrying particle through hot wind and enter rotation
Wind dust-precipitator 46, rotoclone collector 46 collect particle, and gas enters circulating fan 47；Particle enters kiln tail five-stage cyclone preheater
Tremie pipe is calcined hence into cement kiln 34.
A part of heat drawn with vertical 44 air inlet of rapid steamer and from kiln tail smoke-box of air outlet of the circulating fan 47
Air hose is connected, and a part is connected with 48 air inlet of exhaust blower.48 air outlet of exhaust blower and cement kiln preheating decomposition furnace system 33
Tertiary-air pipe is connected.
It is handled, is specifically comprised the following steps with the processing system of the aluminium cell slag from delining of the present embodiment：
Step 1)：The aluminium cell slag from delining of waste product storehouse from electrolytic aluminium factory, through transport vehicle transports to pre- place
Reason station, is covered in transportational process using waterproof cloth, is prevented material and dust leakage in transportational process and is vaporized；Reach preprocessing station
Afterwards, directly aluminium cell slag from delining is discharged into automobile discharging pit, automobile discharging pit is arranged in sealing device, close during discharging
The automatically-controlled door of seal apparatus is opened, and vehicle enters, and automatically-controlled door is closed after the completion of discharging；Material passes through plate-type feeding after the completion of discharging
Effect crushes material into jaw crusher, jaw crusher, and the grain size of broken material is less than 40mm, crushes
Afterwards, micro-vacuum state is formed in the first suction machine effect lower sealing device, and gas is pumped into the first bag collector, gas
It is used after the first bag collector is handled as coal injection system First air；Both aluminium cell slag from delining and lime fluorine fixing material
Ratio determined by the feature of aluminium cell slag from delining.Crushing section, material is essentially block and granular, and dust floating is little,
The volatilization possibility of pernicious gas is relatively low.For this purpose, sealing device sealing is taken vehicle material discharging to prevent from spreading, realization is arranged in a organized way
It puts, and the first suction machine is set to be connected with the first bag collector to meet environmental requirement.
Step 2)：The broken material of step 1) is added in after lime fluorine fixing material is mixed by adjuvants metering feeding system through the
The effect of one elevator enters feeding measurement device into particle storehouse from particle storehouse, and the is transported to by rubber conveyer after metering
Two elevators and then the feeding progress scattering and grading of scattering grader 24, the coarse powder progress grinding separated, the fine powder separated enter three
Composition dividing powder separating machine is selected powder again；The relatively coarse powder selected and the relatively fine powder for reaching requirement, are gone out gently compared with fine powder using gravity separation
The carborundum refractory brick powder of the carbon dust of quality and heavier quality and other waste residue mixed powders containing ice crystal；Lightweight
Carbon dust by gas into the second bag filter after separation into fine powder bin, the carborundum refractory brick powder of heavier quality and contain
Other waste residue mixed powders for having ice crystal enter weight powder cabin, and the relatively coarse powder selected enters rolling grinder and continues grinding, into
Crushing material, generation may largely be had HF volatilizations by one step, and addition CaO consolidates fluorine in the raw material crushed therefore in step 1), and making can
The HF and CaO reaction generations CaF that can be volatilized2, while pass through the harm that cyclonic separation essentially eliminates pernicious gas and dust；
Grinding process realizes recycling with wind substantially, reduces externally discharge；Select the wind after powder after the extraction of the second suction machine as spray
Coal measures system First air is sent into cement burning kiln and is burned.
Step 3)：Kiln tail smoke-box is sprayed into after the carbon dust of lightweight is measured from fine powder bin outflow to burn, and is burnt
The gas that required wind is extracted out from the first suction machine and the second suction machine reduces exhaust gas discharge；The temperature of combustion process is more than
900℃；Or the tail coal after carbon dust is mixed with coal dust as dore furnace burning uses, the wherein mixed proportion of carbon dust and coal dust
For 1~2:5~10；The unburned carbon dust in part or other substances, which are fallen directly into, in combustion process continues to calcine in rotary kiln, forges
Ashes after burning are used as clinker.High-temp combustion can effectively remove the toxic gases such as HF and HCN in cement kiln.
Step 4) by carborundum refractory brick powder and and other waste residue mixed powders containing ice crystal be sent into vertical rapid steamer
Evaporation, the highly acid gas of generation are solidified into particle with the high-temperature flue gas reaction into vertical rapid steamer, and particle passes through hot wind bag
It wraps up in and is calcined after being carried along into rotoclone collector separation into kiln tail smoke-box, remaining mixed powder returns to electrolysis in vertical rapid steamer
Aluminium manufacturer uses as electrolytic cell raw material；
Step 5)：Gas and step 4) after step 3) burning enter Pyatyi preheating point through the separated gas of rotoclone collector
(1000 DEG C or more) of solution stove is carried out in the material and quality coal in cement kiln systems that are formed after the solid fluorine of highly basic (calcium oxide of quality coal in cement kiln systems)
Raw meal powder is together into burning in cement kiln；
Step 6)：Gas after step 5) burning realizes cleaning discharge after the processing of kiln tail gas processing system；The step
It is rapid 3), step 4) and step 5) burning after residue be used for clinker.Workshop section is burned, material is burned in cement kiln high-temperature alkalescence
It is calcined in environment, acidic fluoride is entered clinker in strong basicity CaO with formation Mineralizer of Clinker, completely eliminates harm.Cyanogen
Compound is decomposed into harmless CO in high temperature alkalization calcining2And N2, toxicity is lost completely.
All devices select suction machine to concentrate exhausting processing in production process, it is ensured that clean manufacturing；Simultaneously as all places
Reason system off gas is essentially dry gas, can treated that tail gas carries out cycle to each without excess water and chemical substance
It utilizes, i.e., the exhaust gas of preprocessing station, grinding system exhaust gas enter incineration system, will not so as to increase exhaust gas discharge substantially
Cause atmosphere pollution.
The processing system of the aluminium cell slag from delining of the utility model is handled with quality coal in cement kiln systems, can effectively be reduced
Production cost realizes harmless treatment simultaneously on cement kiln without influence, simple and reliable process, and aluminium cell slag from delining is harmful to
Ingredient fluoride forms CaF in the cement kiln of high temperature strong basicity2And as clinker, and then beneficial mineralizer is burnt till, consolidated
Change in clinker；A small amount of cyanide is oxidized to harmless CO at high temperature2And N2, it is truly realized harmless treatment.
And have the carbon block of caloric value through grinding into combustion heat release and forming harmless gas at high temperature after fine powder, heat quilt
Cement firing system is recovered in as sinter leaching heat, so as to save coal consumption, reduces cost of disposal；It is ripe that ashes incorporate cement
Material, is truly realized recycling for solid waste.
Using circulation air, reduce efflux gas amount, while bag collector is set as high-effective dust-removing equipment, using strong
Alkali absorption fluoride will not cause pernicious gas increment to discharge, and do not increase atmosphere pollution and generate the possibility of secondary pollution.
The investment of the utility model processing system is small, good in economic efficiency, has good continuation.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of processing system of aluminium cell slag from delining, which is characterized in that burned including preprocessing station, grinding station, cement kiln
Handle furnace system and exhaust treatment system；
The exhaust treatment system includes the first suction machine, the second suction machine, the first bag collector, the second bag collector and kiln tail
Exhaust treatment system；
Automobile discharging pit, plate-type feeding, jaw crusher and particle storehouse are provided in the preprocessing station；The plate feeding
Machine is placed in automobile discharging pit bottom and is connected with jaw crusher；The automobile discharging pit, plate-type feeding and jaw crusher are equal
It is connected using dust hood by pipeline with the first bag collector；The suction opening of first suction machine is received by pipeline and first bag
Dirt device is connected；
The jaw crusher is connected by the first elevator with particle storehouse；
The grinding station includes the first feeding measurement device, rubber conveyer, scattering grader, rolling grinder, high-efficient powder concentrator
And fine powder bin；
The outlet in the particle storehouse is connected with the first feeding measurement device, and the outlet of the first feeding measurement device passes through adhesive tape
The material inlet connection of conveyer, the second elevator and scattering grader, the coarse powder outlet of the scattering grader is by current stabilization
Storehouse is connected with rolling grinder, and the material outlet of the rolling grinder is connected with the second elevator, forms Xun Huan grinding；
The gas vent of the scattering grader and the feed inlet of high-efficient powder concentrator connect, the discharge port one of the high-efficient powder concentrator
It is connected with current stabilization storehouse, the discharge port two of the high-efficient powder concentrator is connected with the feed inlet of the second bag filter, described second bag
The discharge port of formula dust-precipitator and the feed inlet of fine powder bin connect；The second pocket type of gas outlet of the current stabilization storehouse and rolling grinder is received
The gas outlet of dirt device is connected with the second suction machine；
The cement kiln, which burns treatment furnace, includes feeding measurement machine, coal injection pipe, cement preheating decomposition furnace system and cement kiln；It is described thin
The discharge port of powder cabin is connected through the feed inlet of feeding measurement machine and coal injection pipe, discharge port and the cement kiln preheating point of the coal injection pipe
Solve the kiln tail smoke-box connection of furnace system；The gas outlet of the kiln tail smoke-box and Pyatyi preheating decomposition furnace and cement kiln waste gas processing system
System connection, the discharge port of the kiln tail smoke-box are connected with cement kiln.
2. the processing system of aluminium cell slag from delining according to claim 1, which is characterized in that the processing system is also wrapped
It includes except HF systems；The high-efficient powder concentrator replaces with three composition dividing powder separating machine.
3. the processing system of aluminium cell slag from delining according to claim 2, which is characterized in that described except HF systems include
Weight powder cabin, vertical rapid steamer, rotoclone collector and circulating fan.
4. the processing system of aluminium cell slag from delining according to claim 3, which is characterized in that first feeding measurement
The outlet of device is connected by rubber conveyer, the 4th elevator, current stabilization storehouse with rolling grinder, and the material of the rolling grinder goes out
Mouth is connected through the 3rd elevator with the material inlet of scattering grader, and the coarse powder outlet of the scattering grader is promoted through the 4th
The material inlet connection of machine, current stabilization storehouse and rolling grinder, forms Xun Huan grinding；
The gas feed of the gas vent of the scattering grader and three composition dividing powder separating machine connects, the three composition dividing powder separating machine it is thick
Powder outlet is connected through the material inlet of current stabilization storehouse and rolling grinder；Calomel mercurous chloride outlet and the second pocket type of the three composition dividing powder separating machine are received
The feed inlet connection of dirt device, the discharge port of second bag filter and the feed inlet of fine powder bin connect；The three separation choosing
The heavy powder outlet of powder machine is connected with the feed inlet of weight powder cabin；The current stabilization storehouse and the second bag type dust collection of gas outlet of rolling grinder
The gas outlet of device is connected with the second suction machine；
The discharge port of the fine powder bin is connected through the feed inlet of feeding measurement machine and coal injection pipe, the discharge port and water of the coal injection pipe
The kiln tail smoke-box connection of stall preheating decomposition furnace system；The gas outlet of the kiln tail smoke-box and Pyatyi preheating decomposition furnace and cement kiln
Exhaust treatment system connects, and the discharge port of the kiln tail smoke-box is connected with cement kiln；
The orlop of the heavy powder cabin is provided with the second feeding measurement device, and the discharge port of the heavy powder cabin is filled through the second feeding measurement
Put, the 5th elevator is connected with the feed inlet of vertical rapid steamer, the discharge port of the vertical rapid steamer and ground-slag recovery bin into
Material mouth is connected；The hot wind inlet of the vertical rapid steamer and the hot blast pipe drawn from kiln tail smoke-box and the air outlet phase of circulating fan
Even, the hot-blast outlet of the vertical rapid steamer is connected with the air inlet of rotoclone collector, the air outlet of the rotoclone collector with
The air inlet of circulating fan is connected, and the discharge port of the rotoclone collector is connected with the tremie pipe of quality coal in cement kiln systems；The blanking
Pipe is connected with cement kiln.
5. the processing system of aluminium cell slag from delining according to claim 4, which is characterized in that the circulating fan goes out
Air port is connected with the air inlet of vertical rapid steamer, from the air inlet of hot blast pipe, the air inlet of exhaust blower of the extraction of kiln tail smoke-box；
The air outlet of the exhaust blower is connected with the tertiary-air pipe of cement kiln preheating decomposition furnace system.
6. the processing system of aluminium cell slag from delining according to claim 1 or 2, which is characterized in that the preprocessing station
Outer to be additionally provided with lime silo and adjuvants metering feeding system, the discharge port of the lime silo and the entrance of adjuvants metering feeding system connect；Institute
The outlet for stating adjuvants metering feeding system is connected with the feed inlet of the first elevator；The discharge port of first elevator and particle storehouse
Entrance connects.
7. the processing system of aluminium cell slag from delining according to claim 1 or 2, which is characterized in that the rolling grinder
For single-transmission roller press.
8. the processing system of aluminium cell slag from delining according to claim 1 or 2, which is characterized in that second suction
Machine is connected with working off one's feeling vent one's spleen for the first suction machine by the air inlet of pipeline and coal injection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721095067.3U CN207394865U (en) | 2017-08-30 | 2017-08-30 | The processing system of aluminium cell slag from delining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721095067.3U CN207394865U (en) | 2017-08-30 | 2017-08-30 | The processing system of aluminium cell slag from delining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207394865U true CN207394865U (en) | 2018-05-22 |
Family
ID=62419405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721095067.3U Active CN207394865U (en) | 2017-08-30 | 2017-08-30 | The processing system of aluminium cell slag from delining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207394865U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401746A (en) * | 2017-08-30 | 2017-11-28 | 长沙中硅水泥技术开发有限公司 | The processing system and its processing method of aluminium electroloysis slag from delining |
| CN108772407A (en) * | 2018-06-22 | 2018-11-09 | 长沙中硅水泥技术开发有限公司 | A kind of system and method for cement kiln synergic processing waste lithium ion |
| CN108889382A (en) * | 2018-07-18 | 2018-11-27 | 聊城信源集团有限公司 | The broken reutilization system and method for electrolytic cell fishing slag charge |
| CN111750684A (en) * | 2020-07-07 | 2020-10-09 | 天津水泥工业设计研究院有限公司 | Decomposing furnace dense-dilute oxygen-containing zone partition organization combustion self-denitration system and process |
| CN112317517A (en) * | 2020-11-04 | 2021-02-05 | 天津中材工程研究中心有限公司 | Pretreatment system and method suitable for co-processing electrolytic aluminum overhaul residues in cement kiln |
| CN113149473A (en) * | 2021-04-10 | 2021-07-23 | 浙江红狮环保股份有限公司 | Method for pretreating electrolytic aluminum overhaul residues and batching in cement kiln by utilizing cement kiln waste heat |
| CN113278459A (en) * | 2021-05-10 | 2021-08-20 | 成都建筑材料工业设计研究院有限公司 | Method and system for preparing alternative fuel by using aluminum electrolysis cell overhaul slag |
| CN114453113A (en) * | 2020-11-10 | 2022-05-10 | 四川隆盛欣建筑工程有限公司 | Preparation system and preparation method of alternative fuel for cement kiln |
-
2017
- 2017-08-30 CN CN201721095067.3U patent/CN207394865U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401746A (en) * | 2017-08-30 | 2017-11-28 | 长沙中硅水泥技术开发有限公司 | The processing system and its processing method of aluminium electroloysis slag from delining |
| CN108772407A (en) * | 2018-06-22 | 2018-11-09 | 长沙中硅水泥技术开发有限公司 | A kind of system and method for cement kiln synergic processing waste lithium ion |
| CN108772407B (en) * | 2018-06-22 | 2024-01-05 | 长沙中硅环保科技有限公司 | System and method for cooperatively disposing waste lithium ion batteries by cement kiln |
| CN108889382A (en) * | 2018-07-18 | 2018-11-27 | 聊城信源集团有限公司 | The broken reutilization system and method for electrolytic cell fishing slag charge |
| CN108889382B (en) * | 2018-07-18 | 2024-04-12 | 聊城信源集团有限公司 | Broken recycling system and method for slag scooping material of electrolytic tank |
| CN111750684A (en) * | 2020-07-07 | 2020-10-09 | 天津水泥工业设计研究院有限公司 | Decomposing furnace dense-dilute oxygen-containing zone partition organization combustion self-denitration system and process |
| CN112317517A (en) * | 2020-11-04 | 2021-02-05 | 天津中材工程研究中心有限公司 | Pretreatment system and method suitable for co-processing electrolytic aluminum overhaul residues in cement kiln |
| CN114453113A (en) * | 2020-11-10 | 2022-05-10 | 四川隆盛欣建筑工程有限公司 | Preparation system and preparation method of alternative fuel for cement kiln |
| CN113149473A (en) * | 2021-04-10 | 2021-07-23 | 浙江红狮环保股份有限公司 | Method for pretreating electrolytic aluminum overhaul residues and batching in cement kiln by utilizing cement kiln waste heat |
| CN113149473B (en) * | 2021-04-10 | 2022-05-31 | 浙江红狮环保股份有限公司 | Method for pretreating electrolytic aluminum overhaul residues and batching in cement kiln by utilizing cement kiln waste heat |
| CN113278459A (en) * | 2021-05-10 | 2021-08-20 | 成都建筑材料工业设计研究院有限公司 | Method and system for preparing alternative fuel by using aluminum electrolysis cell overhaul slag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207394865U (en) | The processing system of aluminium cell slag from delining | |
| CN107401746A (en) | The processing system and its processing method of aluminium electroloysis slag from delining | |
| CN108585564B (en) | System and method for co-processing electrolytic aluminum waste residues and co-producing double quick cement by cement kiln | |
| CN102978659B (en) | A kind of Deep method of comprehensive utilization of electrolytic cell overhaul slag | |
| CN107352819A (en) | A kind of aluminium cell carbonaceous waste material is used for the method for producing calcium aluminum fluoride clinker | |
| CN107720723A (en) | A kind of method of overall treatment aluminium electrolytic tank | |
| CN103420631A (en) | Waste incineration fly ash heavy metal dual-curing treatment method | |
| CN111270077A (en) | System and method for treating dust collection ash of steel plant by chain plate type high-temperature reduction furnace | |
| CN208545315U (en) | The system of cement kiln synergic processing waste slag of electrolytic aluminium coproduction double-quick cement | |
| CN107363074B (en) | A kind of aluminium cell carbonaceous materials recycling is the method for alternative fire coal | |
| CN112317517A (en) | Pretreatment system and method suitable for co-processing electrolytic aluminum overhaul residues in cement kiln | |
| CN109748526B (en) | Process system and method for recycling and co-processing arsenic and alkali residues in cement kiln | |
| CN107420932A (en) | Utilize the method for power plant for self-supply's cooperative disposal electrolytic aluminium solid waste | |
| CN108679628B (en) | System and method for disposing overhaul slag of aluminum electrolysis cell by cement kiln bypass incineration | |
| CN212285251U (en) | Dust collecting system for steel plant disposed by mesh belt type suspension combined reduction furnace | |
| CN107352542A (en) | A kind of regeneration method and its application of aluminium cell carbonaceous waste material | |
| CN105174310B (en) | A kind of process utilizing industry chromium-bearing sludge to produce chrome green | |
| CN115650268A (en) | Waste aluminum ash fire treatment process | |
| CN203725483U (en) | Pyrolysis system for aluminum electrolysis waste tank lining | |
| CN208649103U (en) | Oil-base mud and oil patch resource utilization system | |
| CN208750736U (en) | The system of cement bypass of kiln incineration disposal aluminium cell slag from delining | |
| CN105600791A (en) | Construction waste comprehensive utilization method and device | |
| CN107382108B (en) | Method for cooperatively treating gold tailings and recycling gold by using cement kiln | |
| CN212293697U (en) | Dust collecting system for steel plant disposed by chain plate type high-temperature reduction furnace | |
| CN208859613U (en) | Suspension combined type incinerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 410075 D-244, No. 199 Lugu Road, Lugu Lu, high tech Zone, Changsha, Hunan Patentee after: Changsha Zhongsi Environmental Protection Technology Co., Ltd Address before: 410075 Hunan province Changsha hi tech Development Zone, Lu Valley Road No. 199 Lulong Lugu D Business Center No. 224 Patentee before: Changsha silicon cement technology development Co Ltd |