CN105174295A - Dry-process electric-separation governing system for red mud - Google Patents

Dry-process electric-separation governing system for red mud Download PDF

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Publication number
CN105174295A
CN105174295A CN201510670986.8A CN201510670986A CN105174295A CN 105174295 A CN105174295 A CN 105174295A CN 201510670986 A CN201510670986 A CN 201510670986A CN 105174295 A CN105174295 A CN 105174295A
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CN
China
Prior art keywords
red mud
governing
separation
dry
electric
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CN201510670986.8A
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Chinese (zh)
Inventor
葛中伟
令狐跃峰
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北京荣富鑫环保科技有限公司
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Priority to CN201510670986.8A priority Critical patent/CN105174295A/en
Publication of CN105174295A publication Critical patent/CN105174295A/en

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Abstract

The invention belongs to the technical field of recovering and recycling of resources and particularly relates to a dry-process electric-separation governing system for red mud. The governing system comprises a stirrer, a granulation device, a calcination device, a grinding device, an electric separation device and a sorting device, wherein the stirrer, the granulation device, the calcination device, the grinding device, the electric separation device and the sorting device are sequentially connected. The governing system has the beneficial effects that iron minium (Fe2O3), aluminum oxide (Al2O3), titanium dioxide (TiO2), sodium oxide (Na2O), calcium oxide (CaO), rare earths and trace elements in the red mud can be recycled. According to the dry-process electric-separation governing system for the red mud, provided by the invention, hundred-percent dry-process recovery is realized, management and optimization are facilitated, red-mud pollution is effectively solved, substances in the red mud are fully utilized, and high-value output is realized.

Description

A kind of dry-method red mud electric separation governing system
Technical field
The invention belongs to resource reclaim reutilization technology field, be specifically related to a kind of dry-method red mud electric separation governing system.
Background technology
The contaminative waste residue of discharging when red mud is Aluminium industry extraction aluminum oxide, average often produces 1 ton of aluminum oxide, incidentally produces 1.0 ~ 2.0 tons of red muds.The red mud of the annual discharge of China is up to millions of tons.Due to complicated component in red mud, be separated not easily, the red mud of certain areas also has radioactivity, and therefore red mud is normally set up special red mud field and stacked, and not only needs certain capital cost, and take a large amount of soil, objectionable impurities is wherein infiltrated in the end, ground or water, serious environment pollution, and makes the many compositions that utilize in red mud can not get Appropriate application, the secondary of resource is caused to waste, the serious Sustainable development hindering aluminum i ndustry.
Summary of the invention
In order to effectively solve the problem, the present invention proposes a kind of dry-method red mud electric separation governing system.
A kind of dry-method red mud electric separation governing system, described governing system comprises stirrer, prilling granulator, roasting assembly, milling apparatus, electric separation device and sorting unit, and described stirrer, prilling granulator, roasting assembly, milling apparatus, electric separation device and sorting unit connect successively.
Further, described electric separation device is electromagnetic separation device, and described electromagnetic separation device comprises a slide rheostat, a solenoid, a power supply and a material channel.
Further, described material channel holds the red mud after described calcining and grinding, and described solenoid is placed on the upside of described material channel, and described solenoid and described material channel be arranged in parallel, and described slide rheostat, solenoid and power sources in series connect.
Further, described solenoid and described material channel distance are 10-15cm.
Beneficial effect of the present invention is: by the red iron (Fe in red mud 2o 3), aluminium sesquioxide (Al 2o 3), titanium dioxide (TiO 2), sodium oxide (Na 2o), calcium oxide (CaO), rare-earth and minor elemnts realize recycling.Dry-method red mud electric separation governing system proposed by the invention, realizes the Dry recovery of one of percentage hundred, is convenient to management and optimizes, and efficiently solves red mud and pollutes, also all utilized by the material in red mud, realize high value output.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is electric separation apparatus structure schematic diagram of the present invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right" be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the combination of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, in the description process of the embodiment of the present invention, in all figure " on ", the device position relation such as D score, "front", "rear", "left", "right".
As shown in Figure 1, a kind of dry-method red mud electric separation governing system proposed by the invention comprises stirrer 1, prilling granulator 2, roasting assembly 3, milling apparatus 4, electric separation device 5 and sorting unit 6, described stirrer 1, prilling granulator 2, roasting assembly 3, milling apparatus 4, electric separation device 5 and sorting unit 6 connect successively, after described red mud stirs via stirrer 1, red mud is broken up, described break up after red mud carry out granulation through prilling granulator 2, obtain grainy texture, and grainy texture is calcined in roasting assembly 3, grind after calcining, grind to form fine granularity, electric separation is carried out after grinding by electric separation device 5, and it is different from red iron (Fe according to magnetic successively 2o 3), aluminium sesquioxide (Al 2o 3), titanium dioxide (TiO 2) disperse successively, sodium oxide (Na 2o), calcium oxide (CaO), in calcination process, break up elimination.
Wherein said stirrer 1, prilling granulator 2, roasting assembly 3 and milling apparatus 4 are device conventional in prior art, and after the granulation of concrete restriction described prilling granulator 2, obtaining particle diameter size is 2-5cm; The calcining temperature of described roasting assembly 3 is 100-120 DEG C, and after described milling apparatus 4 grinds rear grinding, particle diameter size is 1-1.5cm.
As shown in Figure 2, wherein said electric separation device 5 is electromagnetic separation device, described electromagnetic separation device comprises a slide rheostat 52, one solenoid 51, one power supply 53 and a material channel 54, described material channel holds the red mud after calcining and grinding described in 54, described solenoid 51 is placed on the upside of described material channel 54, described solenoid 51 be arranged in parallel with described material channel 54, and distance is between the two 10-15cm, described slide rheostat 52, solenoid 51 and power supply 53 are connected in series, the electricity of solenoid is controlled by controlling slide rheostat, and then change the magnetic attraction force intensity of solenoid, realize red iron (Fe 2o 3), aluminium sesquioxide (Al 2o 3), titanium dioxide (TiO 2) adsorb respectively successively, complete sorting, and reclaimed by sorting unit 6.

Claims (4)

1. a dry-method red mud electric separation governing system, it is characterized in that, described governing system comprises stirrer, prilling granulator, roasting assembly, milling apparatus, electric separation device and sorting unit, and described stirrer, prilling granulator, roasting assembly, milling apparatus, electric separation device and sorting unit connect successively.
2. a kind of dry-method red mud electric separation governing system according to claim 1, it is characterized in that, described electric separation device is electromagnetic separation device, and described electromagnetic separation device comprises a slide rheostat, a solenoid, a power supply and a material channel.
3. a kind of dry-method red mud electric separation governing system according to claim 2, it is characterized in that, described material channel holds the red mud after described calcining and grinding, described solenoid is placed on the upside of described material channel, described solenoid and described material channel be arranged in parallel, and described slide rheostat, solenoid and power sources in series connect.
4. a kind of dry-method red mud electric separation governing system according to claim 3, is characterized in that, described solenoid and described material channel distance are 10-15cm.
CN201510670986.8A 2015-10-15 2015-10-15 Dry-process electric-separation governing system for red mud CN105174295A (en)

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CN201510670986.8A CN105174295A (en) 2015-10-15 2015-10-15 Dry-process electric-separation governing system for red mud

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CN1743472A (en) * 2005-09-22 2006-03-08 贵阳铝镁设计研究院 Method for recovering iron from red mud
CN101434449A (en) * 2008-12-01 2009-05-20 北京博奇电力科技有限公司 Method for processing red mud slurry
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CN101831520A (en) * 2010-06-10 2010-09-15 中国铝业股份有限公司 Method for producing sponge iron co-production sodium aluminate solution by using Bayer process red mud
CN101984080A (en) * 2010-11-29 2011-03-09 董亚飞 Process and device for separating iron and aluminum silica slag from red mud and removing alkali metal
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CN102127642A (en) * 2011-03-26 2011-07-20 太原理工大学 Method for enriching rare-earth elements from red mud
CN201933128U (en) * 2010-11-29 2011-08-17 董亚飞 Equipment for removing red-mud separated iron, aluminum-silicon slag and alkali metal
CN102295396A (en) * 2011-06-20 2011-12-28 中国铝业股份有限公司 Reprocessing and comprehensive utilization method of red mud
CN102500592A (en) * 2011-09-16 2012-06-20 茌平县信发盛吉赤泥处理有限公司 Method for comprehensively utilizing alumina red mud
CN102500596A (en) * 2011-10-20 2012-06-20 安徽理工大学 Red mud harmless comprehensive recycling technology suitable for Bayer process
CN102719676A (en) * 2012-06-20 2012-10-10 北京科技大学 Method for rapidly reducing copper slags to produce iron-copper alloys in kiln in reducing atmosphere
CN103290207A (en) * 2013-06-14 2013-09-11 中南大学 Comprehensive recycling method of iron and aluminum from red mud
CN104878194A (en) * 2015-06-23 2015-09-02 长安大学 Treatment method for recovering iron from sintered red mud
CN205035091U (en) * 2015-10-15 2016-02-17 北京荣富鑫环保科技有限公司 Red mud dry process electricity selects treatment system

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1743472A (en) * 2005-09-22 2006-03-08 贵阳铝镁设计研究院 Method for recovering iron from red mud
CN101434449A (en) * 2008-12-01 2009-05-20 北京博奇电力科技有限公司 Method for processing red mud slurry
CN101456573A (en) * 2008-12-29 2009-06-17 中国铝业股份有限公司 Method for processing red mud from Bayer process
CN101574700A (en) * 2009-06-05 2009-11-11 中国铝业股份有限公司 Method for processing alumina red-mud settlement scrap by Bayer process
CN101831520A (en) * 2010-06-10 2010-09-15 中国铝业股份有限公司 Method for producing sponge iron co-production sodium aluminate solution by using Bayer process red mud
CN101984080A (en) * 2010-11-29 2011-03-09 董亚飞 Process and device for separating iron and aluminum silica slag from red mud and removing alkali metal
CN201933128U (en) * 2010-11-29 2011-08-17 董亚飞 Equipment for removing red-mud separated iron, aluminum-silicon slag and alkali metal
CN102061350A (en) * 2011-01-12 2011-05-18 董亚飞 Short-process comprehensive red mud utilization method and equipment
CN102127642A (en) * 2011-03-26 2011-07-20 太原理工大学 Method for enriching rare-earth elements from red mud
CN102295396A (en) * 2011-06-20 2011-12-28 中国铝业股份有限公司 Reprocessing and comprehensive utilization method of red mud
CN102500592A (en) * 2011-09-16 2012-06-20 茌平县信发盛吉赤泥处理有限公司 Method for comprehensively utilizing alumina red mud
CN102500596A (en) * 2011-10-20 2012-06-20 安徽理工大学 Red mud harmless comprehensive recycling technology suitable for Bayer process
CN102719676A (en) * 2012-06-20 2012-10-10 北京科技大学 Method for rapidly reducing copper slags to produce iron-copper alloys in kiln in reducing atmosphere
CN103290207A (en) * 2013-06-14 2013-09-11 中南大学 Comprehensive recycling method of iron and aluminum from red mud
CN104878194A (en) * 2015-06-23 2015-09-02 长安大学 Treatment method for recovering iron from sintered red mud
CN205035091U (en) * 2015-10-15 2016-02-17 北京荣富鑫环保科技有限公司 Red mud dry process electricity selects treatment system

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Application publication date: 20151223