CN108950227A - A kind of aluminium ash pressurization normal pressure innocuity disposal system and processing method - Google Patents
A kind of aluminium ash pressurization normal pressure innocuity disposal system and processing method Download PDFInfo
- Publication number
- CN108950227A CN108950227A CN201811080268.5A CN201811080268A CN108950227A CN 108950227 A CN108950227 A CN 108950227A CN 201811080268 A CN201811080268 A CN 201811080268A CN 108950227 A CN108950227 A CN 108950227A
- Authority
- CN
- China
- Prior art keywords
- filter press
- filter
- filters pressing
- cleaning solution
- aluminium ash
- 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.)
- Pending
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 44
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000004411 aluminium Substances 0.000 title claims abstract description 42
- 238000003672 processing method Methods 0.000 title claims abstract description 9
- 238000002386 leaching Methods 0.000 claims abstract description 56
- 238000003825 pressing Methods 0.000 claims abstract description 43
- 238000004140 cleaning Methods 0.000 claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 claims abstract description 22
- 238000013019 agitation Methods 0.000 claims abstract description 21
- 239000000779 smoke Substances 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000002002 slurry Substances 0.000 claims description 25
- 239000006210 lotion Substances 0.000 claims description 23
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000012065 filter cake Substances 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000000706 filtrate Substances 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 239000004570 mortar (masonry) Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 239000000908 ammonium hydroxide Substances 0.000 claims description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 3
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/04—Working-up slag
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
- C01C1/242—Preparation from ammonia and sulfuric acid or sulfur trioxide
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/0015—Obtaining aluminium by wet processes
- C22B21/0023—Obtaining aluminium by wet processes from waste materials
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of aluminium ash pressurization normal pressure innocuity disposal system and processing method, the system comprises pass through the pipeline absorption tower 1# (1) interconnected and the absorption tower 2# (2), the stirred under pressure leaching kettle (5) being connect by absorbing smoke pipe (3) with the absorption tower 2#, the feed hopper (4) being set to above stirred under pressure leaching kettle, charging conveyor belt (14) below feeding funnel bottom part discharge port, the feed pipe (15) of connection charging conveyor belt discharge end and stirred under pressure leaching kettle feed inlet, the 1# filter press (6) being connect by pipeline with stirred under pressure leaching kettle, the leachate reservoir (9) being set to below 1# filter press, it is set in turn in the subsequent atmospheric agitation leaching tanks (7) of 1# filter press and 2# filter press (8), the cleaning solution reservoir (11 being set to below 2# filter press ), the delivery pump (10) that is set to by cleaning solution reservoir.The present invention is by realizing the pressurized leaching of aluminium ash, atmospheric agitation leaching, filters pressing twice the Full automatic sealing harmless treatment of aluminium ash, saving labor, treatment effeciency height and clean and environmental protection.
Description
Technical field
The invention belongs to the device and method technical fields of produced aluminium ash in process aluminum electrolytic production.
Background technique
Aluminium ash is the product of the slag that generates in Aluminum Electrolysis Production after cooling processing, and main component is metal Al, three
Al 2 O and silica.Metallic aluminium containing high level in aluminium ash, the method that general enterprises all use big kitchen ash are returned
Aluminium therein is received, a large amount of flue dust can be generated during entire stir-fry ash.Some enterprises in order to obtain the aluminium alloy of high quality,
In fusion process, various solvents, refining agent etc. can be added, after solid solvent and refining agent melting, all can with it is miscellaneous in melt body
Matter is reacted, and dross and flue gas are generated.Especially if selecting additive improper, it is also possible to generate toxic and harmful gas.
Summary of the invention
The purpose of the present invention is to solve problems of the existing technology, and innoxious place can be carried out to aluminium ash by providing one kind
The aluminium ash of reason and clean and environmental protection pressurization normal pressure innocuity disposal system and its processing method.
The purpose of the present invention is achieved through the following technical solutions:
A kind of aluminium ash pressurization normal pressure innocuity disposal system, including absorbed by the pipeline absorption tower 1# interconnected and 2#
Tower, the stirred under pressure leaching kettle being connect by absorption smoke pipe with the absorption tower 2#, the charging being set to above stirred under pressure leaching kettle
Bucket, the charging conveyor belt below feeding funnel bottom part discharge port, connection charging conveyor belt discharge end and stirred under pressure leaching
Out the feed pipe of kettle feed inlet, by being provided with the 1# filter press, setting that the pipeline of drawing liquid pump connect with stirred under pressure leaching kettle
Leachate reservoir below 1# filter press is set in turn in the subsequent atmospheric agitation leaching tanks of 1# filter press and 2# filters pressing
Machine, the cleaning solution reservoir being set to below 2# filter press, the delivery pump being set to by cleaning solution reservoir.
Stirred under pressure leaching kettle, 1# filter press and 2# filter press of the present invention are sequentially installed in 1# steel platform, described
Feed hopper and charging conveyor belt are installed in 2# steel platform.
It is as follows using the method that present system carries out the pressurization normal pressure harmless treatment of aluminium ash: feed hopper is added in aluminium ash
In, by charging conveyor belt and feed pipe be added in stirred under pressure leaching kettle, by aluminium ash in stirred under pressure leaching kettle with
Water mixing and stirred under pressure, form aluminium mortar, aluminium mortar are then transported to 1# filter press filters pressing, filtrate enters leachate
Reservoir, filter residue are sent into atmospheric agitation leaching tanks, mix and be sufficiently stirred with water in atmospheric agitation leaching tanks, form filter residue slurry
Filter residue slurry is transported to 2# filter press and carries out secondary filters pressing by material, and secondary filtrate enters cleaning solution reservoir, and filter cake is used for anode
The cleaning solution collected in the filtrate collected in leachate reservoir and cleaning solution reservoir is delivered to dense by the raw material of steel pawl coating
The processing of contracting vapo(u)rization system;Aluminium ash reacts the 2# absorption that the ammonia generated enters bottom dress water with water in stirred under pressure leaching kettle
Tower absorbs ammonia using water and generates ammonium hydroxide, contains dilute sulfuric acid in 1# absorb the bottom of the tower, the absorption tower 2# react incomplete ammonia into
Enter the absorption tower 1#, reaction empties after generating ammonium sulfate.
Using processing method of the invention, the filter cake circulation of 1# filter press filters pressing is subjected to washing and filters pressing three times three times,
Method is as follows: the filter cake of 1# filter press filters pressing being sent into atmospheric agitation leaching tanks and mixes and is sufficiently stirred with water, is once washed
It washs, forms a filter residue slurry, a filter residue slurry is sent into the filters pressing of 2# filter press, a washing lotion of filters pressing enters cleaning solution liquid storage
Slot, a filter wash cake are re-fed into atmospheric agitation leaching tanks and mix and be sufficiently stirred with water, carry out secondary washing, form secondary filter residue slurry
Secondary filter residue slurry is sent into the filters pressing of 2# filter press by material, and two washing lotions of filters pressing enter cleaning solution reservoir, and two filter wash cakes are re-fed into
Atmospheric agitation leaching tanks are mixed and are sufficiently stirred with water, are washed three times, and filter residue slurry three times is formed, will filter residue slurry three times
It is sent into the filters pressing of 2# filter press, three washing lotions of filters pressing enter cleaning solution reservoir, and three filter wash cakes are used for the raw material of anode steel claw coating.
Cleaning solution reservoir of the present invention is set side by side three, stores a washing lotion, two washing lotions and three washing lotions respectively;By two
Once washing of the washing lotion for the filter cake of next batch 1# filter press filters pressing, three washing lotions are used for secondary washing.
Aluminium ash can be automatically added in stirred under pressure leaching kettle by the present invention by feed hopper and charging conveyor belt, added
It is mixed in pressure leaching kettle with water and stirred under pressure, formation aluminium mortar, aluminium mortar is transported to 1# filter press filters pressing, filters
Liquid enters leachate reservoir, and filter residue is sent into atmospheric agitation leaching tanks, mixes in atmospheric agitation leaching tanks with water and sufficiently stir
It mixes, forms filter residue slurry, filter residue slurry is transported to 2# filter press and carries out secondary filters pressing, secondary filtrate enters cleaning solution liquid storage
Slot.Final filter cake can be used for the raw material of anode steel claw coating.In the filtrate and cleaning solution reservoir collected in leachate reservoir
The cleaning solution collected can be concentrated evaporation process.The ammonia that aluminium ash mixes generation with water in stirred under pressure leaching kettle enters 1# suction
Tower and the absorption tower 2# are received by from fully absorbing.The present invention by the pressurized leaching of aluminium ash, atmospheric agitation by leaching, pressing twice
Filter, realizes the Full automatic sealing harmless treatment of aluminium ash, saves labor, treatment effeciency height and clean and environmental protection.
Detailed description of the invention
Fig. 1 is the schematic diagram of present system.
Specific embodiment
Aluminium ash pressurization normal pressure innocuity disposal system as shown in Figure 1, including the absorption tower 1# 1 interconnected and 2# absorb
Tower 2, is set to above stirred under pressure leaching kettle the stirred under pressure leaching kettle 5 being connect by absorption smoke pipe 3 with the absorption tower 2# 2
Feed hopper 4, the charging conveyor belt 14 below feeding funnel bottom part discharge port, connection charging conveyor belt discharge end and pressurization
The feed pipe 15 of leaching kettle feed inlet, the 1# filters pressing being connect by being provided with the pipeline of drawing liquid pump with stirred under pressure leaching kettle
Machine 6, the leachate reservoir 9 being set to below 1# filter press are set in turn in the subsequent atmospheric agitation leaching tanks 7 of 1# filter press
With 2# filter press 8, the cleaning solution reservoir 11 being set to below 2# filter press, the delivery pump being set to by cleaning solution reservoir
10.In order to save space and improve operational efficiency, the stirred under pressure leaching kettle 5,1# filter press 6 and 2# filter press 8 are sequentially pacified
Loaded in 1# steel platform 12, the feed hopper 4 and charging conveyor belt 14 are installed in 2# steel platform 13.By leachate reservoir
9 are set to below 1# filter press, and cleaning solution reservoir 11 is set to below 2# filter press.
The processing method of present system is as follows: aluminium ash being added in feed hopper 4, charging conveyor belt 14 and feeding are passed through
Pipe 15 is added in stirred under pressure leaching kettle 5, and aluminium ash is mixed in stirred under pressure leaching kettle with water to simultaneously stirred under pressure, forms aluminium
Then aluminium mortar is transported to 6 filters pressing of 1# filter press by mortar, filtrate enters leachate reservoir 9, and filter residue is sent into normal pressure and is stirred
Leaching tanks 7 are mixed, mixes and is sufficiently stirred with water in atmospheric agitation leaching tanks, filter residue slurry is formed, filter residue slurry is transported to
2# filter press 8 carries out secondary filters pressing, and secondary filtrate enters cleaning solution reservoir 11, and filter cake is used for the raw material of anode steel claw coating,
The cleaning solution collected in the filtrate collected in leachate reservoir 9 and cleaning solution reservoir is delivered at concentration and evaporation system
Reason;Aluminium ash reacts the absorption tower 2# 2 that the ammonia generated enters bottom dress water with water in stirred under pressure leaching kettle, is absorbed using water
Ammonia generates ammonium hydroxide, contains dilute sulfuric acid in 1 bottom of the absorption tower 1#, and the absorption tower 2# reacts incomplete ammonia and enters the absorption tower 1#,
Reaction empties after generating ammonium sulfate.After being absorbed by 2 grades, ammonia absorptivity is up to 99.9% or more.
In order to thoroughly realize harmless treatment, the filter cake circulation of 1# filter press filters pressing is carried out washing and three three times by the present invention
Secondary filters pressing, the method is as follows: the filter cake of 1# filter press filters pressing is sent into atmospheric agitation leaching tanks 7 and mixes and is sufficiently stirred with water, into
Row once washing forms a filter residue slurry, a filter residue slurry is sent into the filters pressing of 2# filter press, a washing lotion of filters pressing, which enters, washes
Liquid reservoir 11 is washed, a filter wash cake is re-fed into atmospheric agitation leaching tanks 7 and mixes and be sufficiently stirred with water, carries out secondary washing, shape
At secondary filter residue slurry, secondary filter residue slurry is sent into the filters pressing of 2# filter press, two washing lotions of filters pressing enter cleaning solution reservoir 11,
Two filter wash cakes are re-fed into atmospheric agitation leaching tanks 7 and mix and be sufficiently stirred with water, are washed three times, form filter residue three times and starch
Material will be sent into the filters pressing of 2# filter press by filter residue slurry three times, and three washing lotions of filters pressing enter cleaning solution reservoir 11, and three filter wash cakes are used for
The raw material of anode steel claw coating.The cleaning solution reservoir 11 is set side by side three, stores a washing lotion respectively, two washing lotions and three are washed
Liquid;Two washing lotions are used for the once washing of the filter cake of next batch 1# filter press filters pressing, three washing lotions to be used for secondary washing, to realize
It is water-saving and cleaning solution is made to reach a certain concentration, it is handled convenient for subsequent concentration and evaporation.
Claims (5)
- The normal pressure innocuity disposal system 1. a kind of aluminium ash pressurizes, which is characterized in that including being absorbed by pipeline 1# interconnected Tower (1) and the absorption tower 2# (2), by absorbing stirred under pressure leaching kettle (5) that smoke pipe (3) connect with the absorption tower 2# (2), being set to Feed hopper (4) above stirred under pressure leaching kettle, the charging conveyor belt (14) below feeding funnel bottom part discharge port, connection The feed pipe (15) of charging conveyor belt discharge end and stirred under pressure leaching kettle feed inlet, by the pipeline that is provided with drawing liquid pump with The 1# filter press (6) of stirred under pressure leaching kettle connection, is set gradually the leachate reservoir (9) being set to below 1# filter press In the subsequent atmospheric agitation leaching tanks (7) of 1# filter press and 2# filter press (8), the cleaning solution liquid storage being set to below 2# filter press Slot (11), the delivery pump (10) being set to by cleaning solution reservoir.
- The normal pressure innocuity disposal system 2. a kind of aluminium ash according to claim 1 pressurizes, which is characterized in that the pressurization is stirred Leaching kettle (5), 1# filter press (6) and 2# filter press (8) is mixed sequentially to be installed on 1# steel platform (12), the feed hopper (4) and Charging conveyor belt (14) is installed on 2# steel platform (13).
- 3. a kind of processing method of aluminium ash pressurization normal pressure innocuity disposal system as claimed in claim 1 or 2, feature exist In aluminium ash pressurization normal pressure method for innocent treatment is as follows: aluminium ash being added in feed hopper (4), passes through and feeds conveyor belt (14) It is added in stirred under pressure leaching kettle (5) with feed pipe (15), aluminium ash is mixed and pressurizeed with water in stirred under pressure leaching kettle Stirring forms aluminium mortar, aluminium mortar is then transported to 1# filter press (6) filters pressing, filtrate enters leachate reservoir (9), filter residue is sent into atmospheric agitation leaching tanks (7), mixes and is sufficiently stirred with water in atmospheric agitation leaching tanks, forms filter residue slurry Filter residue slurry is transported to 2# filter press (8) and carries out secondary filters pressing by material, and secondary filtrate enters cleaning solution reservoir (11), filter cake For the raw material of anode steel claw coating, will collect in the filtrate collected in leachate reservoir (9) and cleaning solution reservoir (11) Cleaning solution be delivered to concentration and evaporation system processing;The ammonia that aluminium ash reacts generation with water in stirred under pressure leaching kettle enters bottom Portion fills the absorption tower 2# (2) of water, absorbs ammonia using water and generates ammonium hydroxide, contains dilute sulfuric acid in the absorption tower 1# (1) bottom, 2# absorbs Tower reacts incomplete ammonia and enters the absorption tower 1#, and reaction empties after generating ammonium sulfate.
- 4. a kind of processing method of aluminium ash pressurization normal pressure innocuity disposal system as claimed in claim 3, which is characterized in that will The filter cake circulation of 1# filter press filters pressing carries out washing and filters pressing three times three times, the method is as follows: send the filter cake of 1# filter press filters pressing Enter atmospheric agitation leaching tanks (7) to mix and be sufficiently stirred with water, carries out once washing, form a filter residue slurry, will once filter Slurry material is sent into the filters pressing of 2# filter press, and a washing lotion of filters pressing enters cleaning solution reservoir (11), and a filter wash cake is re-fed into normal pressure and stirs It mixes leaching tanks (7) to mix and be sufficiently stirred with water, carries out secondary washing, form secondary filter residue slurry, secondary filter residue slurry is sent Enter 2# filter press filters pressing, two washing lotions of filters pressing enter cleaning solution reservoir (11), and two filter wash cakes are re-fed into atmospheric agitation leaching tanks (7) it mixes and is sufficiently stirred with water, washed three times, form filter residue slurry three times, 2# filters pressing will be sent by filter residue slurry three times Machine filters pressing, three washing lotions of filters pressing enter cleaning solution reservoir (11), and three filter wash cakes are used for the raw material of anode steel claw coating.
- 5. a kind of processing method of aluminium ash pressurization normal pressure innocuity disposal system as claimed in claim 4, which is characterized in that institute It states cleaning solution reservoir (11) and is set side by side three, store a washing lotion, two washing lotions and three washing lotions respectively;Two washing lotions are used for next The once washing of the filter cake of batch 1# filter press filters pressing, three washing lotions are used for secondary washing.
Priority Applications (1)
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CN201811080268.5A CN108950227A (en) | 2018-09-17 | 2018-09-17 | A kind of aluminium ash pressurization normal pressure innocuity disposal system and processing method |
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CN201811080268.5A CN108950227A (en) | 2018-09-17 | 2018-09-17 | A kind of aluminium ash pressurization normal pressure innocuity disposal system and processing method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117205732A (en) * | 2023-09-25 | 2023-12-12 | 河南亿水源净水材料科技有限公司 | Aluminum ash processing raw material storage system and method |
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JPS524408A (en) * | 1975-07-01 | 1977-01-13 | Nippon Jido Kiko Kk | Pretreating method to extract a1 from a1 slag |
JPH06171993A (en) * | 1992-12-02 | 1994-06-21 | Nippon Steel Corp | Method for modifying chromium oxide-containing slag |
CN105274346A (en) * | 2015-09-28 | 2016-01-27 | 昆明冶金研究院 | Aluminum ash recycling process |
CN108220603A (en) * | 2017-11-09 | 2018-06-29 | 昆明冶金研究院 | A kind of aluminium ash recovery process of normal pressure alkali leaching-sulfuric acid curing-hot acid-leaching |
CN108275708A (en) * | 2018-01-23 | 2018-07-13 | 环境保护部华南环境科学研究所 | A kind of Quadratic aluminum dust resource utilization method |
CN208803131U (en) * | 2018-09-17 | 2019-04-30 | 云南云铝润鑫铝业有限公司 | A kind of aluminium ash pressurization normal pressure innocuity disposal system |
-
2018
- 2018-09-17 CN CN201811080268.5A patent/CN108950227A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS524408A (en) * | 1975-07-01 | 1977-01-13 | Nippon Jido Kiko Kk | Pretreating method to extract a1 from a1 slag |
JPH06171993A (en) * | 1992-12-02 | 1994-06-21 | Nippon Steel Corp | Method for modifying chromium oxide-containing slag |
CN105274346A (en) * | 2015-09-28 | 2016-01-27 | 昆明冶金研究院 | Aluminum ash recycling process |
CN108220603A (en) * | 2017-11-09 | 2018-06-29 | 昆明冶金研究院 | A kind of aluminium ash recovery process of normal pressure alkali leaching-sulfuric acid curing-hot acid-leaching |
CN108275708A (en) * | 2018-01-23 | 2018-07-13 | 环境保护部华南环境科学研究所 | A kind of Quadratic aluminum dust resource utilization method |
CN208803131U (en) * | 2018-09-17 | 2019-04-30 | 云南云铝润鑫铝业有限公司 | A kind of aluminium ash pressurization normal pressure innocuity disposal system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117205732A (en) * | 2023-09-25 | 2023-12-12 | 河南亿水源净水材料科技有限公司 | Aluminum ash processing raw material storage system and method |
CN117205732B (en) * | 2023-09-25 | 2024-04-05 | 河南亿水源净水材料科技有限公司 | Aluminum ash processing raw material storage system and method |
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