CN104451003B - Steel ground-slag integrated system - Google Patents

Steel ground-slag integrated system Download PDF

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Publication number
CN104451003B
CN104451003B CN201410742959.2A CN201410742959A CN104451003B CN 104451003 B CN104451003 B CN 104451003B CN 201410742959 A CN201410742959 A CN 201410742959A CN 104451003 B CN104451003 B CN 104451003B
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China
Prior art keywords
slag
steel
deironing
pretreatment unit
homogenizing
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CN104451003A (en
Inventor
刘远征
王卫清
崔合洋
王坦
吕京科
彭明通
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NANJING NANGANG KWAH NEW BUILDING MATERIAL Co Ltd
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NANJING NANGANG KWAH NEW BUILDING MATERIAL Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B3/00General features in the manufacture of pig-iron
    • C21B3/04Recovery of by-products, e.g. slag
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies

Abstract

The present invention relates to steel ground-slag integrated system, the system includes but not limited to steel slag hot disintegrating pretreatment unit and grain slag pretreatment unit, wherein, the steel slag hot disintegrating pretreatment unit includes free calcium removal mechanism and preliminary magnetic separation mechanism, it is characterised in that the system further includes:Multiple Deironing mechanism, multiple crushing mechanism, homogenizing mechanism, intelligent proportioning station, Vertical Mill mechanism and finished product station.The invention has the advantages that:The iron in slag is almost eliminated by multiple Deironing mechanism and deironing apparatus;It is using multiple crushing mechanism that steel slag particle is very refined, and mixed again with blast-furnace cinder using being homogenized after mechanism handles slag homogenizing, and first mix and grind again so that slag is highly merged with slag, and physical arrangement and performance are more reliable and more stable.

Description

Steel ground-slag integrated system
Technical field
The present invention relates to Solid state fermentation technical field, more particularly, to a kind of steel ground-slag integrated system.
Background technology
Steel ground-slag is using slag and granulated blast-furnace slag as primary raw material, can fill a small amount of gypsum separate compiling into certain Fineness is simultaneously mixed in a certain ratio the powder uniformly formed.Mainly building is widely used to mixing concrete to build with basis If having a extensive future, while be conducive to eliminate the adverse effect of slag and blast-furnace cinder to environment.
However, the slag annual emissions in China are up to 80,000,000 tons at present, add up about 1,000,000,000 tons of volume of cargo in storage, the utilization of slag Rate is very low.In contrast, blast-furnace cinder due to recovery and utilization technology it is relatively simple, utilization rate is higher than slag.Equally, will Slag and blast-furnace cinder carry out mixing the successful case utilized actually rare.To find out its cause, mainly slag contains metallic iron very It is difficult levigate, the assembly line of high fineness steel-making slag powder is produced under the conditions of low energy consumption there is presently no one.
In order to overcome above-mentioned problem, those skilled in the art is made that a large amount of effort, and inventor combines experience It has developed a set of pipeline system that high fineness steel ground-slag can be produced under relatively low energy consumption condition.
The content of the invention
Present invention aims to overcome that the prior art is insufficient, there is provided a kind of steel ground-slag integrated system, it is intended to improve steel Recovery utilization rate, the reduction building of scum powder make an effort the adverse effect of environment with capital construction cost, reduction steel ground-slag.
Technical problem solved by the invention is realized using following technical scheme:
Steel ground-slag integrated system, the system include but not limited to steel slag hot disintegrating pretreatment unit and grain slag pretreatment Unit, wherein, the steel slag hot disintegrating pretreatment unit includes free calcium removal mechanism and preliminary magnetic separation mechanism, it is characterised in that The system further includes:
One multiple Deironing mechanism, by after steel slag hot disintegrating pretreatment unit processing, especially to pass through and remove The slag after free calcium and preliminary magnetic separation is removed, carries out iron removaling, the multiple Deironing mechanism includes at least 3 deironing apparatus;
One multiple crushing mechanism, the mechanism include at least hammer mill or impact breaker, and screening plant, use The slag after the multiple Deironing mechanism processing to be crushed, the multiple preferred hammer mill of crushing mechanism, Slag crushing particle diameter is less than 3mm;
One homogenizing mechanism, which is placed in Pile of steel slag, to will be after the multiple crushing mechanism break process The homogenizing processing of slag, it is described homogenizing mechanism on be additionally provided with to screen the concentration equipment of abrasive grit, described multiple Deironing apparatus is additionally provided between crushing mechanism and the homogenizing mechanism;
One intelligent proportioning station, to locate in advance by the slag after homogenizing mechanism processing and by the grain slag The grain slag after cell processing is managed, carries out batch mixing according to setting ratio, and realize by remote computer unattended;
One Vertical Mill mechanism, carries out micro mist grinding, described vertical will pass through the intelligent mixed material of proportioning station Deironing apparatus is additionally provided with grinding machine structure, the intelligent sampling observation of steel ground-slag product qualified rate is additionally provided with the Vertical Mill mechanism Device, the intelligence casual inspection device are connected with the intelligent proportioning station communication;
One finished product station, the finished product after Vertical Mill mechanism micro mist processing is carried out subsequent treatment.
The invention has the advantages that:The iron in slag is almost removed by multiple Deironing mechanism and deironing apparatus To the greatest extent;It is using multiple crushing mechanism that steel slag particle is very refined, and using be homogenized mechanism to slag homogenizing processing after again with blast furnace Slag mixes, and first mixes and grind again so that slag is highly merged with slag, and physical arrangement and performance are more reliable and more stable.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of embodiment of the present invention or technical solution of the prior art Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present invention, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the present invention:The system architecture schematic diagram of steel ground-slag integrated system.
Embodiment
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, tie below Specific embodiment is closed, the present invention is further explained.
With reference to shown in Fig. 1, steel ground-slag integrated system, the system include but not limited to steel slag hot disintegrating pretreatment unit 1, with And grain slag pretreatment unit 2, wherein, the steel slag hot disintegrating pretreatment unit 1 includes free calcium removal mechanism 101 and preliminary magnetic Select mechanism 102, it is characterised in that the system further includes:
One multiple Deironing mechanism 3, by after the steel slag hot disintegrating pretreatment unit 1 is handled, especially to pass through The slag after free calcium and preliminary magnetic separation is removed, carries out iron removaling, the multiple Deironing mechanism 3 includes at least three deironing apparatus 301;
One multiple crushing mechanism 4, the mechanism include at least hammer mill 401 or impact breaker, and screening dress 402 are put, the slag after the multiple Deironing mechanism 4 is handled to be crushed, the multiple crushing mechanism 4 is preferably hammered into shape Formula crusher 401, slag crushing particle diameter are less than 3mm;
One homogenizing mechanism 5, which is placed in Pile of steel slag, will pass through 4 break process of multiple crushing mechanism The homogenizing processing of slag afterwards, is additionally provided with to screen the concentration equipment 501 of abrasive grit, in institute in the homogenizing mechanism 5 State and be additionally provided with deironing apparatus 301 between multiple crushing mechanism 4 and the homogenizing mechanism 5;
One intelligent proportioning station 6, to the slag after the homogenizing mechanism 5 is handled and the process grain slag is pre- Grain slag after the processing of processing unit 2, batch mixing is carried out according to setting ratio, and is realized by remote computer unattended;
One Vertical Mill mechanism 7, carries out micro mist grinding, described will pass through 6 mixed material of the intelligent proportioning station Deironing apparatus 301 is additionally provided with Vertical Mill mechanism 7, steel ground-slag product qualified rate intelligence is additionally provided with the Vertical Mill mechanism 7 Casual inspection device 701 can be changed, the intelligence casual inspection device 701 is connected with the intelligent communication of proportioning station 6;
One finished product station 8, the finished product after 7 micro mist of Vertical Mill mechanism processing is carried out subsequent treatment.
The invention has the advantages that:By multiple Deironing mechanism 3 and deironing apparatus 301 by the iron in slag almost Eliminate;It is using multiple crushing mechanism 4 that steel slag particle is very refined, and using be homogenized mechanism 5 to slag homogenizing processing after again with Blast-furnace cinder mixes, and first mixes and grind again so that slag is highly merged with slag, and physical arrangement and performance more stabilization can Lean on.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (4)

1. steel ground-slag integrated system, which includes but not limited to steel slag hot disintegrating pretreatment unit and grain slag pretreatment is single Member, it is characterised in that it is the steel slag hot disintegrating pretreatment unit first, successively by multiple Deironing mechanism, multiple crushing mechanism, It is to be homogenized mechanism and the grain slag pretreatment unit parallel to intelligent proportioning station again, then is into Vertical Mill mechanism, in vertical mill Steel ground-slag product qualified rate intelligence casual inspection device, the intelligence casual inspection device and the intelligent dispensing are additionally provided with structure Communication of standing connects, and eventually arrives at finished product station;Wherein, the steel slag hot disintegrating pretreatment unit includes free calcium removal mechanism and preliminary Magnetic separation mechanism, the system further include:
One multiple Deironing mechanism, to by by the steel slag hot disintegrating pretreatment unit processing after through removing free calcium and Slag after preliminary magnetic separation, carries out iron removaling;
One multiple crushing mechanism, the mechanism include at least hammer mill or impact breaker, and screening plant, to incite somebody to action Slag after the multiple Deironing mechanism processing is crushed;
One homogenizing mechanism, which is placed in Pile of steel slag, to by the steel after the multiple crushing mechanism break process The homogenizing processing of slag, is additionally provided with to screen the concentration equipment of abrasive grit in the homogenizing mechanism;
One intelligent proportioning station, it is single to be pre-processed by the slag after homogenizing mechanism processing and by the grain slag Grain slag after member processing, batch mixing is carried out according to setting ratio, and is realized by remote computer unattended;
One Vertical Mill mechanism, carries out micro mist grinding, in the vertical mill will pass through the intelligent mixed material of proportioning station Deironing apparatus is additionally provided with structure;
One finished product station, the finished product after Vertical Mill mechanism micro mist processing is carried out subsequent treatment.
2. steel ground-slag integrated system according to claim 1, it is characterised in that:The multiple Deironing mechanism is included at least 3 deironing apparatus.
3. steel ground-slag integrated system according to claim 1, it is characterised in that:The multiple crushing mechanism breaks for hammer Broken machine, slag crushing particle diameter are less than 3mm.
4. steel ground-slag integrated system according to claim 1, it is characterised in that:The multiple crushing mechanism with it is described Deironing apparatus is additionally provided between homogenizing mechanism.
CN201410742959.2A 2014-12-08 2014-12-08 Steel ground-slag integrated system Active CN104451003B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410742959.2A CN104451003B (en) 2014-12-08 2014-12-08 Steel ground-slag integrated system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410742959.2A CN104451003B (en) 2014-12-08 2014-12-08 Steel ground-slag integrated system

Publications (2)

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CN104451003A CN104451003A (en) 2015-03-25
CN104451003B true CN104451003B (en) 2018-05-08

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102061345A (en) * 2010-11-28 2011-05-18 上海大学 Comprehensive treatment method for recycling ferrous metallurgical slag
CN204281769U (en) * 2014-12-08 2015-04-22 南京南钢嘉华新型建材有限公司 Iron and steel ground-slag integrated system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102061345A (en) * 2010-11-28 2011-05-18 上海大学 Comprehensive treatment method for recycling ferrous metallurgical slag
CN204281769U (en) * 2014-12-08 2015-04-22 南京南钢嘉华新型建材有限公司 Iron and steel ground-slag integrated system

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