CN104841554A - Special RO-phase magnetic separator for steel slag micro powder - Google Patents
Special RO-phase magnetic separator for steel slag micro powder Download PDFInfo
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- CN104841554A CN104841554A CN201510300784.4A CN201510300784A CN104841554A CN 104841554 A CN104841554 A CN 104841554A CN 201510300784 A CN201510300784 A CN 201510300784A CN 104841554 A CN104841554 A CN 104841554A
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Abstract
The invention discloses a special RO-phase magnetic separator for steel slag micro powder. The special RO-phase magnetic separator comprises a separation cavity, an RO-phase collecting cavity and a magnetic bar component, wherein the RO-phase collecting cavity is formed in one side of the separation cavity and is a half-sealed cavity; an RO-phase discharge hole is formed in the lower part of the RO-phase collecting cavity; a plurality of groups of windows are arranged between the RO-phase collecting cavity and the separation cavity; the magnetic bar component penetrates through the windows, spans between the two cavities and is used for communicating the two cavities; the magnetic bar component structurally comprises a cylinder, a magnetic system shaft, a magnetic block, a chain wheel and a bearing. When the equipment is additionally arranged on an air tube, the RO-phase in the steel slag micro powder can be effectively adsorbed and separated, and the content of inert substances in the steel slag micro powder after RO-phase separation can be reduced to within 15% from about 35% at present.
Description
Technical field
This invention relates to magnetic separator technical field, and specifically one is exclusively used in Vertical Mill and produces slag micro powder RO phase magnetic separator equipment, also can be used for wind-force dispersion force, interior Magnetic Materials sorts in space that magnetic field force coexists.
Background technology
Vertical Mill is used for slag micropowder production and is subject to building material industry welcomes with its low energy consumption high-efficiency, constant product quality, integrated integration operation, but the production that Vertical Mill is applied to slag micro powder also has larger problem, be mainly manifested in grinding roller serious wear, unstable product quality, power savings advantages is not obvious.Wherein the main cause of unstable product quality is that in slag, RO phase content is large, and ratio is unstable, directly affects the activity index of micro mist.In slag, RO phase is the common molten thing of FeO, MgO, MnO, aobvious magnetic under high-intensity magnetic field.RO phase can realize monomer dissociation under 30 to 50 microns, but under this granularity, adopt traditional magnetic concentration working equipment RO phase cannot be separated with other mineral, because under this granularity of micro mist, other mineral generation magnetic coagulation and Electrostatic Absorption in RO phase and micro mist under the effect of high-intensity magnetic field power, effective separation cannot be realized, slag micro powder is full-dry method operation, make RO phase and other ore deposit phase monomer dispersion in atmosphere during this mistake just needing to sort RO phase is each, just likely realize the sorting of RO phase under the action of a magnetic force.
Discharge after finished product in Vertical Mill production technology after grinding drives powder to deduster to collect by wind field after the powder concentrator classification on Vertical Mill top, between Vertical Mill and deduster, in pipeline, slag micro powder and air are full and uniform dispersion, traditional technique directly collects powder, do not collect.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of slag micro powder special RO phase magnetic separator, for sorting of the slag after milling equipment, after the sorting of RO phase, the activity index of slag micro powder is stablized and is increased, and is a kind of magnetic plant, and reasonably utilizes.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of slag micro powder special RO phase magnetic separator, is characterized in that, comprise
Sorting chamber, described sorting chamber is that vertical square tube encloses the penetrating cavity of about of formation, wherein the charging aperture of upper end connects the discharging opening of slag roller mill separator by pipeline, the discharging opening of lower end is connected to cyclone dust collectors, arranges multiple deflector in the spatial transition between charging aperture and sorting chamber housing;
RO phase collecting chamber, described RO phase collecting chamber is arranged on sorting chamber side, described RO phase collecting chamber is the semiclosed cavity that bottom is provided with RO phase discharging opening, between RO phase collecting chamber and sorting chamber, arrange many group windows, bar magnet assembly through window spans two cavitys and by both be communicated with;
Wherein, the structure of described bar magnet assembly is: comprise cylindrical shell, magnetic system axle, magnetic patch, sprocket wheel and bearing, described cylindrical shell is circular stainless steel cylinder, and establish helical blade at barrel outer surface, described cylindrical shell is pivoting part, a bearing block is installed at two ends respectively, described bearing block is rotatably assorted by bearing and magnetic system axle two ends, the housing that magnetic system axle two ends are wherein fixed on RO phase collecting chamber and sorting chamber forms stationary parts, one end of described cylindrical shell extends to the outside of RO phase collecting chamber housing, and fixedly mount a sprocket wheel in the outer end of cylindrical shell, described sprocket wheel is connected to drive motors by transmission mechanism, described magnetic system axle is axis, the magnetic system shaft portion being arranged in RO phase collecting chamber is the optical axis not arranging magnetic patch, the magnetic system shaft portion surface uniform being arranged in sorting chamber is inlaid with magnetic patch, and described magnetic patch on the magnetic system axle of this section along in magnetic system axle circumference for same polarity arranges the ring bodies of formation, magnetic patch on adjacent ring bodies is according to N, S pole is staggered.
Further, described motor is variable speed electric motors, particularly or variable-frequency motor.
Further, described transmission mechanism comprises decelerator and Chain conveyer.
Further, the inwall that the described deflector of multiple vertical layout is welded on spatial transition forms uniform water conservancy diversion gap.
Further, described helical blade is stainless steel and is welded on cylindrical shell.
Further, described magnetic separator be applied in steel-making slag powder grinding machine and and deduster between, and the charging aperture of sorting chamber connects the blanking port of steel-making slag powder grinding machine by pipeline, or be arranged on and select between powder grader and deduster, and the charging aperture of sorting chamber connects steel-making slag powder grinding machine by pipeline or selects the blanking port of powder grader, the discharging opening of described sorting chamber is connected to cyclone dust collectors, and RO phase discharging opening connects a feed bin.
Further, described steel-making slag powder grinding machine is the one in Vertical Mill, ball milling, roll squeezer or sleeping roller mill.
Further, described charging aperture and discharging opening are designed to circle, square or be beneficial to the interface of fertilizer coexisting state current downflow respectively.
Further, described bar magnet assembly with multilayer or Chinese character pin-shaped interlaced arrangement, and increases according to the sorting result of RO phase or reduces magnetic system row, and the steel-making slag powder driven to make wind-force as much as possible fully contacts with magnetic system group, and increase sorts probability.
The invention has the beneficial effects as follows:
Increase this equipment at this section of airduct and effectively can adsorb the RO phase sorted in slag micro powder, inert material content after the sorting of RO phase in slag micro powder can be reduced within 15% by original about 35%; sort the slag micro powder activity index after RO phase and significantly improve; can meet the quality requirement of building materials market to slag micro powder; solve slag micro powder active lower cannot large-area applications in the present situation of building materials industry, to the slag of iron and steel enterprise " zero " emissions object plays conclusive effect.
This technology also may be used for RO phase magnetic separation (being placed between milling equipment and pipeline of dust collector) in the steel-making slag powder after ball milling, roll squeezer or sleeping roller mill, outfit cyclone dust collectors use, the quick magnetic separation of the slag micro powder of large discharge can be realized, especially can realize industrialized sorting.
In addition, this equipment can be used for the sorting containing magnetic dry material, as the area on have no water or little water and operating rate of very long conventional wet production year in winter ground, and the dry grinding dry separation of vignite.
Accompanying drawing explanation
Fig. 1 is side schematic view of the present invention.
Fig. 2 is front schematic view of the present invention.
Fig. 3 is schematic top plan view of the present invention.
Fig. 4 is the layout schematic diagram of deflector.
Fig. 5 is the schematic diagram of bar magnet assembly.
Fig. 6 is A--A place sectional schematic diagram in Fig. 5.
In figure: 1 sorting chamber, 11 deflectors, 12 upper strata magnetic separation layers, 13 next stage bar magnet component layer, 14 charging apertures, 15 discharging openings, 2 bar magnet assemblies, 21 cylindrical shells, 22 magnetic system axles, 23 magnetic patch, 24 sprocket wheels, 25 bearings, 26 bearing blocks, 27 helical blades, 3RO phase collecting chamber, 31RO phase discharging opening, 4 motors, 41 decelerators, 42 Chain conveyer.
Detailed description of the invention
As shown in Figures 1 to 6, for existing defect, protection main body of the present invention is as follows:
Exploitation be that a kind of Vertical Mill prepares slag micro powder special RO phase magnetic plant, this equipment replaces one section of fertilizer pipeline between Vertical Mill and deduster, does not change the technology arrangement of existing production system, to the air quantity of system, blast without Effects on Engineering.The sorting chamber 1 of a kind of square of this equipment de-sign, the wind that grinding machine comes and the deflector 11 of slag micro powder through sorting chamber 1 upper end evenly enter in sorting chamber, wind enters the upper strata magnetic separation layer 12 be made up of bar magnet assembly 2 with slag micro powder, RO phase is attracted to bar magnet assembly 2 surface, other material enters next stage bar magnet component layer 13, do not adsorbed by bar magnet group further by the RO adsorbed, multilayer bar magnet group can be designed as required, to increase magnetic separation effect, slag micro powder after finally sorting enters deduster in the lump through micro mist discharge gate and wind, what deduster was collected is slag micro powder, simultaneously deduster can the extraction slag micro powder of large discharge, under distinguished and admirable effect, slag micro powder is detached fast, in the process detached, RO phase is adsorbed.The RO the being adsorbed in bar magnet assembly 2 surface bar magnet outer cylinder body that accompanies rotates and the external helical blade of tube to push ahead to RO phase collecting chamber 3 outer row after discharging, and rotating in the process advanced, RO phase overturns, in switching process, nonmagnetic slag is pulled away by along with air-flow again, so the RO phase filtered out is all highly purified, substantially free from foreign meter, the RO phase of certain weak magnetic also can be pulled away, inert material content after choosing in slag micro powder can be reduced within 15% by original about 35%, completes the sorting of whole process.
Its basic principle is, carry out extraction RO phase by just having ground successful slag powder in Vertical Mill, the purity of the RO phase of extraction is high, substantially free from foreign meter.
Based on above-mentioned description, this magnetic separator is made up of following components.
Sorting chamber 1, that a vertical square tube encloses the penetrating cavity of about of formation, top and bottom are for closing up, wherein upper end is charging aperture 14, the blanking port of Vertical Mill is connected by pipeline, steel-making slag powder relies on gravity and wind-force, wherein wind-force comes from the cyclone dust collectors of discharging opening, steel-making slag powder quickly through this sorting chamber, and under the effect of draft, is patted on deflector, form a dispersion effect, slag micro powder is spread out, and has an effect of slowing down to slag micro powder, the discharging opening 15 of lower end is connected to cyclone dust collectors.For convenience of being connected with pipe joint, above-mentioned charging aperture and discharging opening are designed to circular interface respectively.
In spatial transition between charging aperture 14 and square sorting chamber housing, arrange deflector 11, deflector 11 is multiple, arranges according to predetermined shape, forms slag passage, plays slag and slows down and the effect of dispersion, is wherein a kind of pattern as shown in Figure 4.Its effect the steel-making slag powder of coming in Vertical Mill is carried out breaing up and is divided into different regions, like this under the effect of wind-force and gravity, makes the steel-making slag powder distribution entering into sorting chamber more even, and have slowing effect.
Simultaneously, a RO phase collecting chamber 3 is also provided with in the side of square tube, this RO phase collecting chamber is that the housing of length direction by arranging in side is formed, for semiclosed cavity, it is RO phase discharging opening 31 in bottom, for separating of the collection of RO phase out, circular hole is opened between RO phase collecting chamber and sorting chamber, form multiple window, through window, many group bar magnet assemblies 2 are arranged between two cavitys, and both are communicated with, connect a cavity like this and just establish connection, RO phase is wherein shifted by this window.
Wherein, the structure of bar magnet assembly 2 is: comprise cylindrical shell 21, magnetic system axle 22, magnetic patch 23, sprocket wheel 24 and bearing 25.
Cylindrical shell 21 is circular stainless steel cylinder, and at cylindrical shell 21 peripheral hardware helical blade, a bearing block 26 is installed at two ends respectively, be rotatably assorted by bearing block and magnetic system axle 22 two ends, magnetic system axle 22 two ends are wherein fixed on the housing of RO phase collecting chamber and sorting chamber, are stationary parts, cylindrical shell 21 is pivoting part, one end of cylindrical shell 21 extends to the outside of RO phase collecting chamber housing, and fixedly mounts a sprocket wheel 24 in the outer end of cylindrical shell, and this sprocket wheel 24 is power intake.Magnetic system axle 22 is axises, two ends are stiff end, be fixed on housing, inwardly a bit for axle journal installed by bearing, carry out activity by bearing with cylindrical shell 21 to coordinate, centre is divided into two sections, what be arranged in RO phase collecting chamber is an optical axis, magnetic patch is not set, what be arranged in the surface uniform of sorting chamber is provided with groove, for installing magnetic patch, wherein, magnetic patch 23 adopts N vertically on the magnetic system axle of this section, S is staggered, form multiple ring bodies, magnetic patch on each ring bodies is upper along magnetic system axle circumference (also referred to as radial direction) is same polarity, namely, as extremely outside in N for magnetic system in same border magnetic system radial direction, then S pole is to magnetic system bolster, then S is extremely outside in next border, N is extremely inside.When the RO phase of absorption on cylindrical shell 21 is in the process of rotating along with cylindrical shell 21, the RO on it, to overturning, makes the slag micro powder wherein clipped be spued, and improves the purity of RO phase.
Like this, cylindrical shell 21 forms the magnetic part b of tool and do not have magnetic part a respectively in two cavitys, and wherein magnetic part can adsorb RO phase materials, and is transported to and does not have magnetic part to carry out discharging.And at the outer surface soldering stainless steel helical blade 27 of cylindrical shell, for the propulsion power of RO phase materials.
Wherein, above-mentioned bar magnet assembly 2 is multiple, grouping-hierarchy interlaced arrangement, can carry out adsorption treatment step by step to the slag micro powder in air-flow, by organizing layout, the inert material content in slag micro powder can be made can be reduced within 15% by original about 35% more.Wherein, power source comes from same motor 4, motor 4 is variable speed electric motors, particularly or variable-frequency motor, and decelerator 41 is set, undertaken driving all cylindrical shells 21 to rotate by Chain conveyer 42, Chain conveyer is connected with the sprocket wheel of barrel end, and arranges rational transition gear for changing turning to of chain, can realize all cylindrical shell rotating in same directions.
The wind that Vertical Mill comes and the deflector 11 of slag micro powder through sorting chamber upper end evenly enter in sorting chamber 1, wind enters the upper strata magnetic separation layer be made up of bar magnet assembly with slag micro powder, RO phase is attracted to bar magnet assembly surface, other material enters next stage bar magnet component layer, do not adsorbed by bar magnet group further by the RO adsorbed, multilayer bar magnet group can be designed as required, to increase magnetic separation effect, slag micro powder after finally sorting enters deduster in the lump through micro mist discharge gate and wind, and what deduster was collected is the extremely low slag micro powder of RO phase content.The RO the being adsorbed in bar magnet assembly surface bar magnet outer cylinder body that accompanies rotates and the external helical blade of tube to push ahead to RO phase collecting chamber outer row after discharging, completes the sorting of whole process.
This equipment is replaced one section of fertilizer pipeline between Vertical Mill and deduster, the disappearance of the RO phase sorting process existed in producing for current slag Vertical Mill, directly or a little transform when not changing other technique for existing slag micro powder fabrication line process, RO phase extracts rear favourable raising steel-making slag powder gelation activity, to the air quantity of system, blast without Effects on Engineering.
RO phase materials is in field of wind-force, field of magnetic forece, gravitational field, and RO phase can effectively be separated from slag micro powder, under the actings in conjunction such as field of magnetic forece, centrifugal force, impact, realize the upset of multistage magnetic, effectively reduce the non magnetic powder in RO phase, improve RO phase grade, the RO phase purity of collection is higher.
The RO phase purity of collecting is high, and be a kind of effective sub of coal separation ore dressing dense media powder, isolated RO phase market value is better than slag micro powder, has the market value basis in slag powder process industry large-area applications.
This equipment is a kind of dry-type separation mode of magnet mineral, can be adapted to drought or winter very long area dry grinding dry separation replace traditional wet beneficiation craft.
Embodiment recited above is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; relevant technical staff in the field, to various distortion of the present invention and improvement, all should expand in protection domain as determined in claims of the present invention.
Claims (9)
1. a slag micro powder special RO phase magnetic separator, is characterized in that, comprise
Sorting chamber (1), described sorting chamber (1) encloses the penetrating cavity of about of formation for vertical square tube, wherein upper end is slag micro powder charging aperture (14), lower end is slag micro powder discharging opening (15), arranges multiple deflector (11) in the spatial transition between charging aperture (14) and sorting chamber housing;
RO phase collecting chamber (3), described RO phase collecting chamber (3) is arranged on sorting chamber (1) side, described RO phase collecting chamber (3) is provided with the semiclosed cavity of RO phase discharging opening (31) for bottom, between RO phase collecting chamber and sorting chamber, many group windows are set, bar magnet assembly (2) through window spans two cavitys and by both be communicated with;
Wherein, the structure of described bar magnet assembly (2) is: comprise cylindrical shell (21), magnetic system axle (22), magnetic patch (23), sprocket wheel (24) and bearing (25), described cylindrical shell (21) is circular stainless steel cylinder, and establish helical blade at cylindrical shell (21) outer surface, described cylindrical shell (21) is pivoting part, a bearing block (26) is installed at two ends respectively, described bearing block is rotatably assorted by bearing (25) and magnetic system axle (22) two ends, the housing that magnetic system axle (22) two ends are wherein fixed on RO phase collecting chamber and sorting chamber forms stationary parts, one end of described cylindrical shell (21) extends to the outside of RO phase collecting chamber housing, and a sprocket wheel (24) is fixedly mounted in the outer end of cylindrical shell, described sprocket wheel (24) is connected to drive motors by transmission mechanism, described magnetic system axle (22) is axis, magnetic system axle (22) part being arranged in RO phase collecting chamber is the optical axis not arranging magnetic patch, magnetic system axle (22) part surface being arranged in sorting chamber is evenly inlaid with magnetic patch, and described magnetic patch (23) on the magnetic system axle of this section along in magnetic system axle circumference for same polarity arranges the ring bodies of formation, magnetic patch on adjacent ring bodies is according to N, S pole is staggered.
2. a kind of slag micro powder according to claim 1 special RO phase magnetic separator, is characterized in that, described motor (4) is variable speed electric motors, particularly or variable-frequency motor.
3. a kind of slag micro powder according to claim 1 special RO phase magnetic separator, it is characterized in that, described transmission mechanism comprises decelerator and Chain conveyer.
4. a kind of slag micro powder according to claim 1 special RO phase magnetic separator, is characterized in that, the inwall that the described deflector of multiple vertical layout is welded on spatial transition forms uniform water conservancy diversion gap.
5. a kind of slag micro powder according to claim 1 special RO phase magnetic separator, is characterized in that, described helical blade is stainless steel and is welded on cylindrical shell (21).
6. a kind of slag micro powder according to claim 1 special RO phase magnetic separator, it is characterized in that, described magnetic separator is arranged between steel-making slag powder grinding machine and deduster, or be arranged on and select between powder grader and deduster, and the charging aperture of sorting chamber (14) connects steel-making slag powder grinding machine by pipeline or selects the blanking port of powder grader, the discharging opening (15) of described sorting chamber is connected to a deduster, and RO phase discharging opening (31) connects a feed bin.
7. a kind of slag micro powder according to claim 6 special RO phase magnetic separator, is characterized in that, described steel-making slag powder grinding machine is the one in Vertical Mill, ball milling, roll squeezer or sleeping roller mill.
8. a kind of slag micro powder according to claim 7 special RO phase magnetic separator, is characterized in that, described charging aperture and discharging opening are placed in the middle of fertilizer pipeline, can be designed to respectively circular interface, square interface or other be conducive to the form interface of powder flowing.
9. a kind of slag micro powder according to claim 1 special RO phase magnetic separator, is characterized in that, described bar magnet assembly is with multilayer or Chinese character pin-shaped interlaced arrangement.
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| CN201510300784.4A CN104841554B (en) | 2015-06-04 | 2015-06-04 | A kind of special RO phase magnetic separator of slag micro powder |
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| CN201510300784.4A CN104841554B (en) | 2015-06-04 | 2015-06-04 | A kind of special RO phase magnetic separator of slag micro powder |
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Cited By (5)
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| CN106076618A (en) * | 2016-08-07 | 2016-11-09 | 李勇军 | Miniature permanent magnet roller |
| CN107721211A (en) * | 2017-11-10 | 2018-02-23 | 山西双良国环科技有限公司 | RO phases efficiently separates recovery method in a kind of slag |
| CN108057508A (en) * | 2017-12-14 | 2018-05-22 | 成都建筑材料工业设计研究院有限公司 | Wind send dry-type magnetic extractor |
| CN111730025A (en) * | 2020-07-09 | 2020-10-02 | 温州大学激光与光电智能制造研究院 | Molding sand deironing structure for die casting |
| CN117414948A (en) * | 2023-12-19 | 2024-01-19 | 潍坊龙达锌业有限公司 | Heavy zinc oxide magnetic separation processing system |
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| CN104841554B (en) | 2017-03-01 |
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