CN103361661B - Cleaning method and cleaning device for recycled aluminum processing procedure - Google Patents
Cleaning method and cleaning device for recycled aluminum processing procedure Download PDFInfo
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- CN103361661B CN103361661B CN201310307956.1A CN201310307956A CN103361661B CN 103361661 B CN103361661 B CN 103361661B CN 201310307956 A CN201310307956 A CN 201310307956A CN 103361661 B CN103361661 B CN 103361661B
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Abstract
The invention discloses a cleaning method and a cleaning device for a recycled aluminum processing procedure, and is characterized in that: firstly, classifying and stacking waste miscellaneous aluminum or aluminum ash slag, after separation and smashing, cleaning by a spraying rotary device, employing an alkaline aqueous solution during the cleaning process, wherein the cleaning water temperature is 40-60 DEG C; spraying the alkaline aqueous solution to the waste aluminum debris in a rotary drum with rotating to clean and separate the waste aluminum products having oil paints and oil stains or entrained with sediment, fibers or various organic materials, then sending the treated waste aluminum products for smelting, refining and purification to obtain pure aluminum or an aluminum alloy used for manufacture of aluminum products. The method and the device have the advantages of simple equipment, low maintenance cost and high production efficiency, improve the metal recovery rate, and enable waste emissions in the smelting process to be greatly reduced compared with other processes.
Description
Technical field
The present invention is purging method and the equipment of a kind of working method and equipment of Footwall drift, particularly the secondary aluminum course of processing.
Background technology
Because China's fine aluminum ore resources relatively lacks, only has Shanxi, Guangxi, Guizhou, there is more rich bauxite in the several place in Henan and Jiangxi, large from the energy consumption of alumina producing aluminum metal, complex process, electrolytic aluminum Metal Production can't meet growing development requirement, so the bauxite resource in some places mainly obtains from the useless assorted aluminium reclaimed, described useless assorted aluminium comprises the fine aluminium scrap stock of aluminium processing enterprise, the Old building wrought aluminium alloy in construction site, cast aluminium alloy, aluminum core line and aluminium scrap goods etc., and bibliographical information give up assorted aluminium regeneration processing, general through classification, be separated, smash, cleaning, magnetic separation, broken, dry, melting and refining, obtain pure aluminum or aluminum alloy.
In the process of the regeneration processing of above-mentioned useless assorted aluminium, except melting and refining, separation and cleaning are very important links, because the waste aluminium alloy reclaimed from fleamarket is very unclean, be entrained with silt, fiber or various organism, what have also has greasy dirt and paint, and the waste aluminium alloy adopting general injection water to be difficult to smashing cleans up, and sordid aluminium is just difficult to after entering melting and refining obtain the high aluminium of purity.
Summary of the invention
The object of this invention is to provide a kind of purging method and equipment of the secondary aluminum course of processing, the method and equipment can will be entrained with silt, fiber or various organism, the aluminium scrap cleansing article of greasy dirt, the paint in addition that have obtains pure aluminum or aluminum alloy, for the manufacture of aluminum products after separating and delivering to melting and refining purifying.
The present invention is achieved in that
First useless assorted aluminium or aluminium lime-ash are first carried out classify and pile up, then through being separated and smashing, employing is sprayed the equipment rotated and is cleaned, and cleaning process uses alkaline aqueous solution, cleaning water temperature 40-60 DEG C; Alkaline aqueous solution is ejected into the aluminium scrap fragment in rotary drum, and rotates, and makes mud and some greasy dirts or foreign material dissolve from aluminium scrap fragment and separate.
The composition of described alkaline aqueous solution and weight content are: sodium hydroxide 3-5%, polyaluminium sulfate 1-2%, tensio-active agent 1-3%, and all the other are water.
Described tensio-active agent be sodium laurylsulfonate, tetradecyl succinic diamide sodium sulfonate or N-dodecenyl succinic amidosulfonic acid disodium wherein one or more.
The equipment that described injection rotates adopts the structure of rotary drum, it comprises rotor cover, motor and base, rotor cover is arranged on base, motor drives shell to rotate by transmission rig, rotary drum inside is distributed with several bayonet locks, water pipe enters rotary drum inside from rotary drum one end, and water pipe termination is provided with shower nozzle, and scavenging solution sprays the aluminium scrap fragment putting into rotary drum by shower nozzle from different perspectives.
Described bayonet lock is provided with 5-12, and length is no more than 1/2 of rotary drum inside diameter.
Described transmission rig is gear ring, gear or belt.
substantive distinguishing features of the present invention and significant progress are:
1, cleaning process adopts rotary drum shape jet cleaner, in rotary drum container, some spray tubes are installed, from different perspectives by the aqueous solution containing weight content 1-3% tensio-active agent, the high pressure water jets of water temperature 40-60 DEG C is mapped to the aluminium scrap goods in rotary drum, and rotate, make mud and some greasy dirts or foreign material dissolve from aluminium scrap goods and separate.
2, equipment is simple, and maintenance cost is low, and production efficiency is high, and metal recovery rate improves, and the waste discharge of fusion process greatly reduces than other techniques.
Accompanying drawing explanation
Fig. 1 is the cleaning equipment cut-away view of secondary aluminum of the present invention processing;
Fig. 2 is the cleaning equipment external structure of secondary aluminum of the present invention processing.
The component names that in figure, sequence number is relative:
1, aluminium scrap fragment, 2, rotor cover, 3, base, 4, alkaline aqueous solution shower nozzle, 5, water pipe, 6, bayonet lock, 7, motor, 8, gear ring.
As shown in Figure 1 and Figure 2, the cleaning equipment of the secondary aluminum course of processing, adopt the structure of rotary drum, comprise rotor cover 2, motor 7 and base 3, rotor cover 2 is installed on the base 3, motor 7 drives rotary drum to rotate by transmission rig, rotary drum inside is distributed with 5-12 bayonet lock 6, and the length of bayonet lock 6 is no more than 1/2 of rotary drum inside diameter, and water pipe enters rotary drum inside from rotary drum one end, water pipe 5 termination is provided with shower nozzle 4, and alkaline aqueous solution sprays from shower nozzle 4 the aluminium scrap fragment 1 putting into rotary drum.Transmission rig is gear ring 8, also can be gear or belt, drives drum rotating.
Embodiment
embodiment 1
Fine aluminium, wrought aluminium alloy, cast aluminium alloy, aluminum core line and aluminium scrap goods are carried out classify and pile up, for the aluminium scrap goods reclaimed from waste and old company, should disassemble, remove the iron and steel and other non-ferrous metal pieces that are connected with aluminium material, then segment, then with cleaning, the removing of broken method mud, fiber and paper, the aluminium scrap goods of large part first will be smashed and just clean, for the waste and old aluminum component of frivolous loose sheet, suppress into bag with hydraulic pressure metal wrapping machine; For Aluminium Cable Steel Reinforced, be first separated steel core, then aluminum steel is coiled into volume; Cleaning process uses alkaline aqueous solution, containing weight content 3% sodium hydroxide, and 1% polyaluminium sulfate, 1% sodium laurylsulfonate, all the other are water, water temperature 40-60 DEG C, adopt the mode of spraying rotation to clean; Be separated magnetic iron and steel scrap in aluminium scrap with magnetic plant after cleaning, by aluminium fritter or particle Hot-blast Heating, moisture all volatilized, hot blast temperature 70-105 DEG C, more broken and screening, obtain assorted aluminium powder, then enter rotary kiln and carry out melting, make aluminium lime-ash or useless assorted aluminium resolve into aluminium liquid and aluminium ash; Aluminium liquid is put into refining furnace, obtains pure aluminum or aluminum alloy, rare earth alloy refining agent, obtains the aluminium liquid of fine aluminium weight content more than 99.99%, gushes and forms aluminium ingot casting; The aluminium ash that the aluminium ash drawn off from rotary kiln and flue gas obtain through tornado dust collector merges, and residue, containing aluminium 1-3%, can be supplied to steel mill as smelt additive after packaging.
embodiment 2
Fine aluminium, wrought aluminium alloy, cast aluminium alloy, aluminum core line and aluminium scrap goods are carried out classify and pile up, for the aluminium scrap goods reclaimed from waste and old company, should disassemble, remove the iron and steel and other non-ferrous metal pieces that are connected with aluminium material, then segment, then with cleaning, the removing of broken method mud, fiber and paper, the aluminium scrap goods of large part first will be smashed and just clean, for the waste and old aluminum component of frivolous loose sheet, suppress into bag with hydraulic pressure metal wrapping machine; For Aluminium Cable Steel Reinforced, be first separated steel core, then aluminum steel is coiled into volume; Cleaning process uses alkaline aqueous solution, containing weight content 4% sodium hydroxide, and 1.5% polyaluminium sulfate, the aqueous solution of 2% sodium laurylsulfonate and 2% tetradecyl succinic diamide sodium sulfonate, water temperature 40-60 DEG C, adopts the mode of spraying rotation to clean; Be separated magnetic iron and steel scrap in aluminium scrap with magnetic plant after cleaning, by aluminium fritter or particle Hot-blast Heating, moisture all volatilized, hot blast temperature 70-105 DEG C, more broken and screening, obtain assorted aluminium powder, then enter rotary kiln and carry out melting, make aluminium lime-ash or useless assorted aluminium resolve into aluminium liquid and aluminium ash; Aluminium liquid is put into refining furnace, obtains pure aluminum or aluminum alloy, rare earth alloy refining agent, obtains the aluminium liquid of fine aluminium weight content more than 99.99%, gushes and forms aluminium ingot casting; The aluminium ash that the aluminium ash drawn off from rotary kiln and flue gas obtain through tornado dust collector merges, and residue, containing aluminium 1-3%, can be supplied to steel mill as smelt additive after packaging.
embodiment 3
Fine aluminium, wrought aluminium alloy, cast aluminium alloy, aluminum core line and aluminium scrap goods are carried out classify and pile up, for the aluminium scrap goods reclaimed from waste and old company, should disassemble, remove the iron and steel and other non-ferrous metal pieces that are connected with aluminium material, then segment, then with cleaning, the removing of broken method mud, fiber and paper, the aluminium scrap goods of large part first will be smashed and just clean, for the waste and old aluminum component of frivolous loose sheet, suppress into bag with hydraulic pressure metal wrapping machine; For Aluminium Cable Steel Reinforced, be first separated steel core, then aluminum steel is coiled into volume; Cleaning process uses alkaline aqueous solution, containing weight content 5% sodium hydroxide, and 2% polyaluminium sulfate, the aqueous solution of 3%N-dodecenyl succinic amidosulfonic acid disodium, water temperature 40-60 DEG C, adopts the mode of spraying rotation to clean; Be separated magnetic iron and steel scrap in aluminium scrap with magnetic plant after cleaning, by aluminium fritter or particle Hot-blast Heating, moisture all volatilized, hot blast temperature 70-105 DEG C, more broken and screening, obtain assorted aluminium powder, then enter rotary kiln and carry out melting, make aluminium lime-ash or useless assorted aluminium resolve into aluminium liquid and aluminium ash; Aluminium liquid is put into refining furnace, obtains pure aluminum or aluminum alloy, rare earth alloy refining agent, obtains the aluminium liquid of fine aluminium weight content more than 99.99%, gushes and forms aluminium ingot casting; The aluminium ash that the aluminium ash drawn off from rotary kiln and flue gas obtain through tornado dust collector merges, and residue, containing aluminium 1-3%, can be supplied to steel mill as smelt additive after packaging.
embodiment 4
Fine aluminium, wrought aluminium alloy, cast aluminium alloy, aluminum core line and aluminium scrap goods are carried out classify and pile up, for the aluminium scrap goods reclaimed from waste and old company, should disassemble, remove the iron and steel and other non-ferrous metal pieces that are connected with aluminium material, then segment, then with cleaning, the removing of broken method mud, fiber and paper, the aluminium scrap goods of large part first will be smashed and just clean, for the waste and old aluminum component of frivolous loose sheet, suppress into bag with hydraulic pressure metal wrapping machine; For Aluminium Cable Steel Reinforced, be first separated steel core, then aluminum steel is coiled into volume; Cleaning process uses alkaline aqueous solution, containing weight content 3-5% sodium hydroxide, and 1-2% polyaluminium sulfate, the aqueous solution of 1-3% sodium laurylsulfonate, water temperature 40-60 DEG C, adopts the mode of spraying rotation to clean; Be separated magnetic iron and steel scrap in aluminium scrap with magnetic plant after cleaning, by aluminium fritter or particle Hot-blast Heating, moisture all volatilized, hot blast temperature 70-105 DEG C, more broken and screening, obtain assorted aluminium powder, then enter rotary kiln and carry out melting, make aluminium lime-ash or useless assorted aluminium resolve into aluminium liquid and aluminium ash; Aluminium liquid is put into refining furnace, obtains pure aluminum or aluminum alloy, rare earth alloy refining agent, obtains the aluminium liquid of fine aluminium weight content more than 99.99%, gushes and forms aluminium ingot casting; The aluminium ash that the aluminium ash drawn off from rotary kiln and flue gas obtain through tornado dust collector merges, and residue, containing aluminium 1-3%, can be supplied to steel mill as smelt additive after packaging.
Claims (1)
1. the purging method of a secondary aluminum course of processing, it is characterized in that: first useless assorted aluminium or aluminium lime-ash are first carried out classify and pile up, then through being separated and smashing, employing is sprayed the equipment rotated and is cleaned, cleaning process uses alkaline aqueous solution, cleaning water temperature 40-60 DEG C; Alkaline aqueous solution is ejected into the aluminium scrap fragment in rotary drum, and rotates, and makes mud and some greasy dirts or foreign material dissolve from aluminium scrap fragment and separate.
2. the purging method of the secondary aluminum course of processing according to claim 1, is characterized in that: the composition of described alkaline aqueous solution and weight content are: sodium hydroxide 3-5%, polyaluminium sulfate 1-2%, tensio-active agent 1-3%, and all the other are water.
3. the purging method of the secondary aluminum course of processing according to claim 2, is characterized in that: described tensio-active agent be sodium laurylsulfonate, tetradecyl succinic diamide sodium sulfonate or N-dodecenyl succinic amidosulfonic acid disodium wherein one or more.
4. the purging method of the secondary aluminum course of processing according to claim 1, it is characterized in that: the equipment that described injection rotates adopts the structure of rotary drum, it comprises rotor cover, motor and base, rotor cover is arranged on base, motor drives shell to rotate by transmission rig, and rotary drum inside is distributed with several bayonet locks, and water pipe enters rotary drum inside from rotary drum one end, water pipe termination is provided with shower nozzle, and scavenging solution sprays the aluminium scrap fragment putting into rotary drum by shower nozzle from different perspectives.
5. the purging method of the secondary aluminum course of processing according to claim 4, is characterized in that: described bayonet lock is provided with 5-12, and length is no more than 1/2 of rotary drum inside diameter.
6. the purging method of the secondary aluminum course of processing according to claim 4, is characterized in that: described transmission rig is gear ring, gear or belt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310307956.1A CN103361661B (en) | 2013-07-22 | 2013-07-22 | Cleaning method and cleaning device for recycled aluminum processing procedure |
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| CN201310307956.1A CN103361661B (en) | 2013-07-22 | 2013-07-22 | Cleaning method and cleaning device for recycled aluminum processing procedure |
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| CN103361661A CN103361661A (en) | 2013-10-23 |
| CN103361661B true CN103361661B (en) | 2015-04-22 |
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| CN107716273A (en) * | 2016-08-12 | 2018-02-23 | 宁波创润新材料有限公司 | To the processing method of metalliferous material |
| CN106269671A (en) * | 2016-10-17 | 2017-01-04 | 百色学院 | A kind of aluminium scrap cleans device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213349A (en) * | 2011-05-23 | 2011-10-12 | 文登鸿通管材有限公司 | Adhesion-type pull and extrusion composite pipe |
| CN102397850A (en) * | 2011-11-14 | 2012-04-04 | 闫跃华 | Rotary spraying type cleaning machine |
| CN103173622A (en) * | 2013-01-17 | 2013-06-26 | 北京科技大学 | Method for regenerating aluminum alloy with target ingredient from scrap aluminum |
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2013
- 2013-07-22 CN CN201310307956.1A patent/CN103361661B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213349A (en) * | 2011-05-23 | 2011-10-12 | 文登鸿通管材有限公司 | Adhesion-type pull and extrusion composite pipe |
| CN102397850A (en) * | 2011-11-14 | 2012-04-04 | 闫跃华 | Rotary spraying type cleaning machine |
| CN103173622A (en) * | 2013-01-17 | 2013-06-26 | 北京科技大学 | Method for regenerating aluminum alloy with target ingredient from scrap aluminum |
Non-Patent Citations (1)
| Title |
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| 废铝屑再生用熔剂及其再生工艺的研究;周巧妹等;《热加工工艺》;20071231;第36卷(第1期);第23－25页 * |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Cleaning method and equipment of recycled aluminum processing Effective date of registration: 20201223 Granted publication date: 20150422 Pledgee: Nanning Branch of Guilin Bank Co.,Ltd. Pledgor: ALNAN ALUMINUM Co.,Ltd. Registration number: Y2020450000056 |
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Date of cancellation: 20211203 Granted publication date: 20150422 Pledgee: Nanning Branch of Guilin Bank Co.,Ltd. Pledgor: ALNAN ALUMINUM Co.,Ltd. Registration number: Y2020450000056 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Cleaning method and equipment of recycled aluminum processing process Effective date of registration: 20211213 Granted publication date: 20150422 Pledgee: Nanning Branch of Guilin Bank Co.,Ltd. Pledgor: ALNAN ALUMINUM Co.,Ltd. Registration number: Y2021450000061 |
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