CN106824572B - A kind of experimental provision strengthened suitable for Hematite flocculation - Google Patents
A kind of experimental provision strengthened suitable for Hematite flocculation Download PDFInfo
- Publication number
- CN106824572B CN106824572B CN201710265014.XA CN201710265014A CN106824572B CN 106824572 B CN106824572 B CN 106824572B CN 201710265014 A CN201710265014 A CN 201710265014A CN 106824572 B CN106824572 B CN 106824572B
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- Prior art keywords
- flocculation
- cone
- rectangle
- bloodstone
- magnetic field
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D3/00—Differential sedimentation
- B03D3/06—Flocculation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/08—Vortex chamber constructions
- B04C5/081—Shapes or dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/08—Vortex chamber constructions
- B04C5/107—Cores; Devices for inducing an air-core in hydrocyclones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
- B04C2009/007—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with internal rotors, e.g. impeller, ventilator, fan, blower, pump
Landscapes
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Cyclones (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention discloses a kind of experimental provisions strengthened suitable for Hematite flocculation, belong to fine-grained gold deposit technical field.The device includes the flocculation plant of taper cyclone classification room and external magnetic field source；Taper cyclone classification room is arranged two sections of cones and under the effect of spiral stream, realizes that mineral press grading；Minor axis swirl vane, the major diameter swirl vane of setting, which correspond to different cone cavities, can meet mineral realization fluid bed separation effect, by density classification；It is finally completed clay class mineral to detach with bloodstone, can avoid fine mud and the unreal problem of floc sedimentation is caused on flocculation influence and different densities large or fine granule, preliminary guarantee is provided to strengthen fine bloodstone flocculation；The flocculation plant in the external magnetic field source is designed to pole formula magnetic system and hollow magnetic pole header structure, ensure that bloodstone is distributed in the middle part of flocculation cavity, externally-applied magnetic field will overcome energy barrier suffered by particle, increase particle surface current potential absolute value to improve electrostatic repulsion between particle, strengthen fine bloodstone flocculation again.
Description
Technical field
The present invention relates to a kind of experimental provision for strengthening Hematite hydrophobic flocculation effect, which belongs to fine
Grain sorting technology field, also benefits to the theoretical research of slurry water flocculation reinforcing.
Background technology
Bloodstone is larger in china natural resources reserves, accounts for about the 2/3 of iron ore deposit, but rich ore is few, lean ore is more, commercial Application valence
It is worth low；To alleviate need of the industry to iron ore deposit, hematite separation technology is able to fast development.But because such bloodstone is mostly micro-
Thin dissemination type, efficient separation technology implement premise must fine grinding bloodstone object fully dissociated to monomer, i.e., degree of dissociation reaches
80% ~ 90%, the levigate granularity to about -500 mesh is generally required, conventional sorting technology allowable range is already exceeded（- 200 mesh account for
70%~90%）.Meanwhile fine-particle minerals large specific surface area, quality are small, conventional sorting technology implementation process mineral are easily mingled with, with tail
Mine is lost in, and granularity is mostly that several microns are even more tiny after the gangue minerals argillization such as quartz, chlorite and clay class, easily right
Iron mineral particle forms the cover, so that conventional sorting process can hardly recycle these iron ore composition granules.Selectivity wadding
It is solidifying to make bloodstone particle is become larger by small aggregation to form floc sedimentation, when granularity reaches flotation or magnetic separation requirement, can be sorted；Such as
Floc sedimentation quality is further controlled, concentrate grade is will ensure that, improves recovery rate of concentrate；In recent years, it has also become solve the red iron of microfine
The hot technology of mine sorting.
The research for promoting fine bloodstone flocculating effect at present focuses primarily upon：Dispersant strengthens dispersion, surfactant
In terms of forming hydrophobic difference, the flocculated process optimization of non-polar oil addition acceleration and flocculation mechanism analysis, before flocculation
Pretreatment and flocculation process magnetic strength technical research are less.Research shows that：Gangue mineral in bloodstone is for hydrophobic flocculation
It influences obviously, simple separation to be carried out to bloodstone and gangue such as before flocculation, then it theoretically can efficient hardening flocculating effect.
Meanwhile external magnetic field can overcome repulsive energy between energy barrier suffered by flocculation process particle, enhancing particle, increase particle surface current potential
There is the possibility for strengthening fine bloodstone flocculating effect to improve intergranular electrostatic repulsion in absolute value.
Invention content
The purpose of the present invention exactly for conventional flocculation process, provides one kind and strengthens suitable for Hematite flocculation
Experimental provision.The device of the invention realizes the simple classification before Hematite flocculation by cyclone classification structure first；
It is classified product enhanced flocculation mistake by the further regulation and control of magnetic field stream field dynamic characteristic in outer loaded magnetic field source flocculation cavity
Journey, the final efficient flocculating for realizing Hematite.
The purpose of the present invention can be realized by following technique measures：
It includes taper cyclone classification room and external magnetic that the present invention, which is suitable for the experimental provision that Hematite flocculation is strengthened,
The flocculation plant of field source；Taper cyclone classification room includes：With the cone-shaped cavity that rack is combined, it is mounted on frame upper end
Motor, the transmission shaft extended to straight down in cone-shaped cavity being connected to the motor, be arranged in upper rack is provided with overflow
The downflow weir of mouth；It is disposed with material inlet in the side on cone-shaped cavity top, in cone-shaped cavity corresponding with the material inlet other side
Lower disposed have underflow opening；The transmission shaft is located at cone-shaped cavity inside center, and is disposed with minor axis eddy flow leaf from bottom to top
Piece, major diameter swirl vane；The cone-shaped cavity is made of upper and lower two sections of cone angles difference cylinder, and the cone angle of epimere cylinder is big
In the cone angle of hypomere cylinder；The flocculation plant in the external magnetic field source includes：It is arranged in rectangle outer chamber center and can move
The rectangle flocculation sleeve for going out rectangle outer chamber, the hollow magnetic pole head being respectively arranged on the outside of opposite two barrels of rectangle flocculation sleeve,
With the arrangement close to absorption, the permanent magnetic steel on the outside of hollow magnetic pole head is set；Close to being adsorbed on the outside of the permanent magnetic steel
On rectangle outer chamber inner wall；The overflow port is located above rectangle flocculation sleeve, and is connected with rectangle flocculation barrel bore.
Heretofore described permanent magnetic steel is axial magnetized, both sides arrange that form N-S is distributed pole；The hollow magnetic pole head
Arrange that the distribution for strengthening N-S magnetic field intensities and the hollow design guarantee magnetic line of force makes bloodstone particle not be adsorbed to for both sides
Hollow magnetic pole head table end and be gathered in rectangle flocculation sleeve in the middle part of.
The experimental provision starting point of the present invention is to avoid the negative effect of microfine clay mineral, highlights apparent hydrophobicity
Can difference, solve the problems, such as the unreal intensity difference of floc sedimentation, be structurally characterized in that in order to ensure Hematite solution particles by granularity,
By the preliminary classification process and classification product of density respectively by the apparent particle hydrodynamics process of external magnetic field, twice
Process coupling finally ensures the efficient flocculating of Hematite.
Apparatus of the present invention realize that bloodstone presses granularity and density classification by the preliminary classification of taper cyclone classification room, avoid
Floc sedimentation destructible problem and high concentration quartz mineral caused by postorder flocculation agglomerate is unreal influence flocculating effect；It is external
The flocculation plant of magnetic field sources changes the distribution of bloodstone apparent charge by magnetic field, strengthens bloodstone and quartz mineral poor mechanical property
It is different.Wherein permanent magnetic steel is axial magnetized, both sides arrange that form N-S is distributed pole；Hollow magnetic pole head is that both sides arrangement strengthens N-S
Magnetic field intensity, while because of hollow design, the magnetic line of force is gathered near rectangle flocculation bushing core, therefore bloodstone is distributed in center
Nearby avoid the absorption in rectangle flocculation sleeve lateral wall.
Working principle of the present invention is as follows：
The taper cyclone classification room course of work is as follows：The Hematite solution of configuration feeds conical cavity by material inlet
Body waits for that solution is more than lower taper housing depth, opens motor and drives minor axis swirl vane, on major diameter swirl vane inside spin
It rises, at this point, bloodstone is realized under the effect of upper and lower cone-shaped cavity by grading, while in elevating screw stream in cone-shaped cavity
Lower realize of effect presses density classification；Finally, fine grained low-density mineral enter downflow weir and then flow to and overflow with major diameter swirl vane
Head piece；Coarse granule high density mineral are mostly focused on inferior pyramidal cavity and in underflow opening discharge for collecting.
The flocculation plant course of work in external magnetic field source is as follows：Enter rectangle wadding by the fine grained low-density mineral of overflow port
It in solidifying sleeve, sequentially adds dispersant, flocculant in the sleeve that flocculates and is stirred, complete the flocculation of fine grained low-density mineral
Afterwards, it takes out the cleaning of flocculation sleeve, be placed again into, then the coarse granule high density mineral of taper cyclone classification room underflow are moved into and are wadded a quilt with cotton
Solidifying sleeve, repeats flocculation process.
The flocculation plant in external magnetic field source of the present invention can move freely, and by flocculating, sleeve upper end opening can add
Medicament etc., meanwhile, blender can be coordinated to work.
The beneficial outcomes of the present invention are as follows：
（1）Taper cyclone classification room be arranged two sections of cones and spiral stream effect under, it can be achieved that mineral by granularity into
Row classification；Minor axis swirl vane, the major diameter swirl vane of setting, which correspond to different cone cavities, can meet mineral realization fluid bed separation
Effect is realized and presses density classification；It is finally completed in bloodstone efficiently separating for quartz and clay class mineral and bloodstone, is fine
Bloodstone flocculating effect provides safeguard.
（2）The flocculation plant in external magnetic field source realizes more field action patterns of coupled magnetic field effect, and magnetic field can overcome wadding
Repulsive energy, the absolute value of increase particle surface current potential are intergranular quiet to improve between energy barrier, enhancing particle suffered by solidifying process particle
Electric repulsive interaction is further ensured that the reinforcing of fine bloodstone flocculating effect.
（3）The tentatively classification of the fine bloodstone of design is so that the overflow collected and underflow product granularity and similar density, keep away
The unreal problem of floc sedimentation caused by different densities large or fine granule in previous flocculation process floc sedimentation is exempted from, while ensureing Floc strength
Enhance flocculating effect.
（4）The two sections of flocculation intensifying methods and corresponding device that the present invention designs are equally applicable to the flocculation neck of black water
Domain.
Description of the drawings
Fig. 1 is the fine bloodstone flocculation intensifying method flow of the present invention.
Serial number in Fig. 1：1 taper cyclone classification room, 2 Grading Overflows, the flocculation plant in 3 external magnetic field sources, 4 classification underflows.
Fig. 2 is that corollary apparatus is strengthened in the flocculation of the present invention（The flocculation plant in taper cyclone classification room+external magnetic field source）.
Serial number in Fig. 2：8, motor；9, transmission shaft；10, material inlet；11, major diameter swirl vane；12, cone-shaped cavity；13, short
Diameter swirl vane；14, rack；15, underflow opening；16, downflow weir；17, overflow port；18, hollow magnetic pole head；19, permanent magnetic steel；
20, rectangle flocculation sleeve；21, axial magnetized；22, rectangle outer chamber.
Specific implementation mode
The present invention is below with reference to embodiment（Attached drawing）It is further described：
It is tentatively classified as shown in Figure 1, bloodstone initially enters taper cyclone classification room 1, Grading Overflow 2 enters external
The flocculation plant 3 of magnetic field sources, the flocculation of overflow product terminate to be collected；Later, classification underflow 4 enters the flocculation in external magnetic field source
Device 3 flocculates, and is finally completed a flocculating experiment of fine bloodstone.The design feature of taper cyclone classification room 1：
Two sections of cone-shaped cavity structures can realize that mineral are classified by granularity；It is different straight that inside spin is designed in taper cyclone classification room 1
Diameter rotating vane makes ore pulp that fluid bed form be presented, and realizes that mineral are classified by density.The flocculation in the external magnetic field source fills
It sets with the arrangement uniform magnetic field from top to bottom being arranged outside flocculation chamber, can reach the apparent modification of mineral, enhanced flocculation purpose.
As shown in Fig. 2, the Hematite flocculation reinforcing experiments supporting device that is suitable for of the present invention includes taper eddy flow
Grading room 1 and the flocculation plant in external magnetic field source 3；Taper cyclone classification room 1 includes：With the conical cavity that rack 14 is combined
Body 12 is mounted on the motor 8 of 14 upper end of rack, the transmission shaft extended to straight down in cone-shaped cavity 12 being connected with motor 8
9, it is arranged in the downflow weir 16 for being provided with overflow port 17 on 14 top of rack；It is disposed with feed in the side on 12 top of cone-shaped cavity
Mouth 10, the lower disposed in 12 other side of cone-shaped cavity corresponding with material inlet 10 has underflow opening 15；The transmission shaft 9 is located at
12 inside center of cone-shaped cavity, and it is disposed with minor axis swirl vane 13, major diameter swirl vane 11 from bottom to top；The cone-shaped cavity
12 are made of upper and lower two sections of cone angles difference cylinder, and the cone angle of epimere cylinder is more than the cone angle of hypomere cylinder；The external magnetic
The flocculation plant 3 of field source includes：It is arranged in 22 center of rectangle outer chamber and the rectangle flocculation of rectangle outer chamber 22 can be removed
Sleeve 20, is respectively arranged in rectangle flocculation sleeve 20 with respect to the hollow magnetic pole head 18 on the outside of two barrels, with close to the arrangement of absorption
The permanent magnetic steel 19 in 18 outside of hollow magnetic pole head is arranged in mode；The outside of the permanent magnetic steel 19 is close to being adsorbed on rectangle outer chamber
On 22 inner walls；The permanent magnetic steel 19 is axial magnetized 21, both sides are arranged to form N-S to pole distribution and hollow design guarantee magnetic
The distribution of the line of force makes bloodstone particle not be adsorbed to 18 table end of hollow magnetic pole head and is gathered in 20 middle part of rectangle flocculation sleeve；
The hollow magnetic pole head 18 is that both sides arrangement strengthens N-S magnetic field intensities；The overflow port 17 is located at 20 top of rectangle flocculation sleeve,
And it is connected with 20 inner cavity of rectangle flocculation sleeve.
The experimental provision starting point of the present invention is to avoid the negative effect of microfine clay mineral, highlights apparent hydrophobicity
Can difference, solve the problems, such as the unreal intensity difference of floc sedimentation, be structurally characterized in that in order to ensure Hematite solution particles by granularity,
By the preliminary classification process and classification product of density respectively by the apparent particle hydrodynamics process of external magnetic field, twice
Process coupling finally ensures the efficient flocculating of Hematite.
The operation principle of taper cyclone classification room 1 is as follows：The Hematite solution of configuration is given by material inlet 10
Enter cone-shaped cavity 12, waits for that solution is more than lower taper housing depth, open motor 8 and drive minor axis swirl vane 13, major diameter eddy flow
11 inside spin of blade rises, at this point, bloodstone is realized under the effect of upper and lower cone-shaped cavity by grading in cone-shaped cavity 12,
It is realized under the effect of elevating screw stream simultaneously and presses density classification；Finally, fine grained low-density mineral with major diameter swirl vane 11 into
Enter downflow weir 16 and then flows to overflow port 17；Coarse granule high density mineral are mostly focused on inferior pyramidal cavity and in 15 rows of underflow opening
Go out for collecting.
The flocculation process is：Entered in rectangle flocculation sleeve 20 by the fine grained low-density mineral of overflow port 17, flocculation
Dispersant, flocculant are sequentially added in sleeve 20 and is stirred, and it is low close that fine grained is completed in the field region that both sides provide
After spending mineral flocculation, takes out the cleaning of flocculation sleeve 20, is placed again into, the coarse granule high density mineral of collection are moved into flocculation sleeve
20, repeat flocculation process.
Claims (2)
1. a kind of experimental provision strengthened suitable for Hematite flocculation, it is characterised in that：Described device includes taper rotation
Flow grading room（1）With the flocculation plant in external magnetic field source（3）；Taper cyclone classification room（1）Including：With rack（14）Xiang Jie
The cone-shaped cavity of conjunction（12）, it is mounted on rack（14）The motor of upper end（8）, with motor（8）Connected extends to cone straight down
Shape cavity（12）Interior transmission shaft（9）, it is arranged in rack（14）Top is provided with overflow port（17）Downflow weir（16）；It is boring
Shape cavity（12）The side on top is disposed with material inlet（10）, with material inlet（10）Corresponding cone-shaped cavity（12）The other side
Lower disposed have underflow opening（15）；The transmission shaft（9）Positioned at cone-shaped cavity（12）Inside center, and be disposed with from bottom to top
Minor axis swirl vane（13）, major diameter swirl vane（11）；The cone-shaped cavity（12）It is by upper and lower two sections of cone angles difference cylinder group
At, and the cone angle of epimere cylinder is more than the cone angle of hypomere cylinder；The flocculation plant in the external magnetic field source（3）Including：It is arranged in
Rectangle outer chamber（22）Center and rectangle outer chamber can be removed（22）Rectangle flocculate sleeve（20）, it is respectively arranged in rectangle
Flocculate sleeve（20）Hollow magnetic pole head on the outside of opposite two barrels（18）, to be arranged close to the arrangement of absorption in hollow magnetic pole
Head（18）The permanent magnetic steel in outside（19）；The permanent magnetic steel（19）Outside is close to being adsorbed on rectangle outer chamber（22）On inner wall；
The overflow port（17）Positioned at rectangle flocculation sleeve（20）Top, and with rectangle flocculate sleeve（20）Inner cavity is connected.
2. the experimental provision according to claim 1 strengthened suitable for Hematite flocculation, it is characterised in that：It is described
Permanent magnetic steel（19）For axial magnetized（21）, both sides arrange to be formed N-S to pole be distributed；The hollow magnetic pole head（18）For both sides cloth
It sets reinforcing N-S magnetic field intensities and hollow design ensures that the distribution of the magnetic line of force makes bloodstone particle not be adsorbed to hollow magnetic pole
Head（18）Table end and be gathered in rectangle flocculation sleeve（20）Middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265014.XA CN106824572B (en) | 2017-04-21 | 2017-04-21 | A kind of experimental provision strengthened suitable for Hematite flocculation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265014.XA CN106824572B (en) | 2017-04-21 | 2017-04-21 | A kind of experimental provision strengthened suitable for Hematite flocculation |
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| Publication Number | Publication Date |
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| CN106824572A CN106824572A (en) | 2017-06-13 |
| CN106824572B true CN106824572B (en) | 2018-09-18 |
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| CN201710265014.XA Expired - Fee Related CN106824572B (en) | 2017-04-21 | 2017-04-21 | A kind of experimental provision strengthened suitable for Hematite flocculation |
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| CN108487931B (en) * | 2018-04-02 | 2020-04-14 | 河南理工大学 | Working face water burst short-flow processing method suitable for underground concentration fluctuation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86208348U (en) * | 1986-11-04 | 1987-09-02 | 地质矿产部矿产综合利用研究所 | Reselective machine of magnetic reunion |
| CN1276346A (en) * | 1999-06-07 | 2000-12-13 | 森大产业株式会社 | Super-high magnetic fluid treating apparatus |
| US6660076B2 (en) * | 2002-03-12 | 2003-12-09 | Companhia Val Do Rio Doce | High performance kaolin pigment, a paper coating color containing high performance kaolin pigment, and a method for making high performance kaolin pigment |
| JP2005125641A (en) * | 2003-10-24 | 2005-05-19 | Konica Minolta Medical & Graphic Inc | Recovery method for polyester resin support |
| CN101423272A (en) * | 2008-11-18 | 2009-05-06 | 江苏大学 | Magnetic flocculation reactor |
| CN104815753A (en) * | 2015-04-30 | 2015-08-05 | 中国地质科学院矿产综合利用研究所 | Floating agglomeration electromagnetic fine selection equipment |
| CN204564371U (en) * | 2015-04-29 | 2015-08-19 | 威海市海王旋流器有限公司 | Utilize magnetic force strong permanent magnet mineral water power cyclone classification device |
-
2017
- 2017-04-21 CN CN201710265014.XA patent/CN106824572B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86208348U (en) * | 1986-11-04 | 1987-09-02 | 地质矿产部矿产综合利用研究所 | Reselective machine of magnetic reunion |
| CN1276346A (en) * | 1999-06-07 | 2000-12-13 | 森大产业株式会社 | Super-high magnetic fluid treating apparatus |
| US6660076B2 (en) * | 2002-03-12 | 2003-12-09 | Companhia Val Do Rio Doce | High performance kaolin pigment, a paper coating color containing high performance kaolin pigment, and a method for making high performance kaolin pigment |
| JP2005125641A (en) * | 2003-10-24 | 2005-05-19 | Konica Minolta Medical & Graphic Inc | Recovery method for polyester resin support |
| CN101423272A (en) * | 2008-11-18 | 2009-05-06 | 江苏大学 | Magnetic flocculation reactor |
| CN204564371U (en) * | 2015-04-29 | 2015-08-19 | 威海市海王旋流器有限公司 | Utilize magnetic force strong permanent magnet mineral water power cyclone classification device |
| CN104815753A (en) * | 2015-04-30 | 2015-08-05 | 中国地质科学院矿产综合利用研究所 | Floating agglomeration electromagnetic fine selection equipment |
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