CN106964496B - A kind of multistage mixed stirring device for flocfloatation - Google Patents
A kind of multistage mixed stirring device for flocfloatation Download PDFInfo
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- CN106964496B CN106964496B CN201710258066.4A CN201710258066A CN106964496B CN 106964496 B CN106964496 B CN 106964496B CN 201710258066 A CN201710258066 A CN 201710258066A CN 106964496 B CN106964496 B CN 106964496B
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- tank body
- flocculant
- tank
- agitator arm
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- 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
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/16—Flotation machines with impellers; Subaeration machines
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- Engineering & Computer Science (AREA)
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a kind of multistage mixed stirring devices for flocfloatation comprising tank body, feeder, flocculant add mechanism, rabbling mechanism, concentric rotating shafts；The tank body is three-level formula tank body, the feeder is ring-shape distribution multipoint feeder structure, flocculant addition mechanism is that multi-stage annular distribution flocculant adds mechanism, the multi-stag flocculant addition mechanism is respectively that uniformly addition is used for the flocculant of fine-particle minerals flocfloatation in tank bodies at different levels, the rabbling mechanism is multistage inclination blade stirrer impeller lower with one heart, the mixing step by step for flocculant and flow of slurry.It invention enhances the interaction of flocculant and suspension material, ensure that suspension and flocculant come into full contact with, so that it is conducive to the mixing and diffusion of flocculant and micro-solid particle, enhance flocculating effect.
Description
Technical field
The present invention relates to a kind of multistage mixed stirring devices, and it is mixed to particularly relate to a kind of multistage for flocfloatation
Close agitating device.
Background technique
With the continuity of the continuous expansion and large scale mining of mining industry, resource dilution is serious, and fine-grained disseminated grain ore resource needs
Ask and increase, for the fine-grained disseminated grain mineral resources for strengthening China's rich reserves, the especially Efficient Development of microfine ore resource and
Utilize one of the important process for having become current beneficiation research.
Currently, the subparticle in ore pulp is gathered into the suitable floc sedimentation of granularity by flocculation, then pass through flotation side
The flocfloatation sorting technology of method recycling floc sedimentation has been applied to production practices.However in production practice, the coagulation used
Facility is mostly the simple waterpower hybrid mode of design comparison, and the fine-particle minerals flocfloatation technique that existing machinery is mixed
It is still needing to be separately configured the biggish agitator of volume for mixing suspension and flocculant, can not achieve on-line mixing stirring, account for
Use larger space.It can be said that there is flocculant addition points is single, be unevenly distributed, flocculant and suspension for existing agitating device
The problems such as liquid cross flow one is weak leads to mix that diffusion effect is poor, flocculates often due to flocculant and suspension insufficient contact
Effect is poor, floatation separating technology index error, thereby reduces the comprehensive utilization ratio of ore.
Summary of the invention
In view of defects in the prior art, the invention aims to provide a kind of multistage mixing for flocfloatation
Agitating device, the device make flocculant and suspension cross flow one using multistage addition flocculant and multistage mixing mode,
The interaction for enhancing flocculant and suspension material, can be such that suspension and flocculant comes into full contact with, and then improve fine
The development and utilization rate of grain ore resource.
To achieve the goals above, technical solution of the present invention:
A kind of multistage mixed stirring device for flocfloatation comprising tank body, feeder, flocculant add machine
Structure, rabbling mechanism, concentric rotating shafts, it is characterised in that:
The tank body is multistage tank body, is included at least with the level-one from the upper end structure that end face gradually tapers up downwards
Tank body, respectively with the isometrical second level tank body being connected in the upper surface of the lower end surface of the level-one tank body, three-level tank body and have from
Three-level tank body lower end is provided with row to the three-level tank body for playing the structure that upper and lower end face gradually tapers up respectively among tank body
Material mouth and the level-one tank body, second level tank body and three-level tank body from top to bottom successively with concentric rotating shafts airtight connection；
The feeder is fixedly installed in level-one tank body upper end, can be by distributed pipeline along the vertical direction with more
The distributed synchronous feed-type of point is fed to the tank body；
Flocculant addition mechanism is the multilevel distributed addition pipeline to match with the tank body, includes at least set
Formula is installed on the level-one flocculation that flocculant can be injected outside level-one tank body and into level-one tank body with the injection mode that multiple spot is distributed
Agent addition pipeline, shell type are installed on outside second level tank body and can inject flocculation into second level tank body with the injection mode that multiple spot is distributed
The second level flocculant addition pipeline and shell type of agent are installed on outside three-level tank body and can be with the injection modes of multiple spot distribution to three
The three-level flocculant of injection flocculant adds pipeline in grade tank body；
The rabbling mechanism is the multi-stage coaxial lobus cardiacus wheel rabbling mechanism to match with the tank body, is fixedly installed in institute
It states on concentric rotating shafts, and includes at least and be installed on the intracorporal level-one agitator arm of level-one tank, be installed on the intracorporal second level of second level tank
Agitator arm and it is installed on the intracorporal three-level agitator arm of three-level tank.
Further, the feeder is using the endless tube structure being fixedly installed on the gland of level-one tank body, the endless tube
Structure is by multiple perpendicular connections and along its circumferentially uniformly distributed distributed pipeline with the distributed synchronous feed-type of multiple spot
It is fed to the tank body.
Further, flocculant addition pipelines at different levels pass through multiple tank interiors for being inserted into corresponding rank respectively
Branch line injects flocculant to the tank interior.
Further, the level-one agitator arm, second level agitator arm and three-level agitator arm are successively solid from top to bottom
Due on the concentric rotating shafts, and agitator arm at different levels is by multiple blade impellers structures circumferentially uniformly distributed along the concentric rotating shafts
At.
Further, the center line of each blade impellers and the concentric rotating shafts is laid in certain inclination angle.
Further, the concentric rotating shafts are fixedly mounted by being located at the center mounting hole of the gland of level-one tank body upper end,
And it is made rotating motion by external motor drive, and then drive agitator arm rotations at different levels.
Compared with prior art, beneficial effects of the present invention:
The present invention solves that flocculant and suspension mixed effect in existing flocfloatation technique be poor, floccule body property and structure
Stability is poor, flocculating effect difference problem, by using multistage addition flocculant and multistage mixing mode, makes flocculant
With suspension cross flow one, the interaction of flocculant and suspension material is enhanced, ensure that suspension and flocculant are abundant
Contact makes it be conducive to the mixing and diffusion of flocculant and micro-solid particle, enhances flocculating effect, provides favorably for flocfloatation
Condition is sorted, and then improves flocfloatation technical indicator, improves the development and utilization rate of microfine ore resource.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of multistage mixed stirring device of the present invention；
Fig. 2 is the partial cutaway view of Fig. 1；
Fig. 3 is the exemplary construction schematic diagram of multistage mixed stirring device of the present invention；
Fig. 4 is another exemplary construction schematic diagram of multistage mixed stirring device of the present invention；
Fig. 5 is the A-A of Fig. 3 to sectional view；
Fig. 6 is the B-B direction sectional view of Fig. 3；
Fig. 7 is the D-D of Fig. 3 to sectional view；
Fig. 8 is the E-E of Fig. 3 to sectional view；
Fig. 9 is the schematic perspective view of Fig. 3.
In figure: 1, concentric rotating shafts, 2, feeder, 3, distributed pipeline, 4, gland, 5, level-one flocculant addition pipeline,
6, level-one tank body, 7, second level flocculant addition pipeline, 8, second level tank body, 9, three-level flocculant addition pipeline, 10, three-level tank body,
11, discharge gate, 12, level-one branch line, 13, level-one stirring runner, 14, second level branch line, 15, second level stirring runner, 16,
Three-level branch line, 17, three-level stirring runner.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, is clearly and completely described technical solution of the present invention, it is clear that described embodiment is that a part of the invention is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.
For flocfloatation technology to the significance of Separate Fine-grained Minerals grain sorting, to solve in existing flocfloatation technique
Flocculant with suspension mixed effect is poor, floccule body property and structure stability is poor, the problem of flocculating effect difference, the present invention devises
A kind of multistage mixed stirring device for flocfloatation, the device is by using multistage addition flocculant and multistage mixing
Mode, makes flocculant and suspension cross flow one, enhances the interaction of flocculant and suspension material, can make suspension and
Flocculant comes into full contact with, and is conducive to the mixing and diffusion of flocculant and micro-solid particle, enhances flocculating effect, and then improve wadding
Flotation selecting technology index improves the development and utilization rate of microfine ore resource.
Based on the above principles, as shown in figs. 1-9, multistage mixed stirring device of the present invention comprising tank body is given
Expect mechanism, flocculant addition mechanism, rabbling mechanism and concentric rotating shafts；
Wherein, such as Fig. 1-Fig. 3, the tank body is multistage tank body, including at least level-one tank body 6, second level tank body 8 and three
Grade tank body 10, and the level-one tank body 6, second level tank body 8 and three-level tank body 10 from top to bottom successively with the closed company of concentric rotating shafts 1
It connects, the open-centre gland 4 for installing concentric rotating shafts 1 is installed above level-one tank body 6.Preferably, the level-one tank body 6 has
Have from the upper end structure that end face gradually tapers up downwards, the structure of such retracted downward shape is conducive to be stirred the acceleration of fluid
It moves downward；The second level tank body 8 be it is through i.e. its respectively with the lower end surface of the level-one tank body 6, three-level tank body 10 it is upper
The isometrical connection in end face, such so that 6 lower end diameter of level-one tank body is equal with 8 diameter of second level tank body, 10 upper end of three-level tank body is straight
The diameter structure equal with 8 diameter of second level tank body, it is such as cylindrical, have the function of buffer fluid movement velocity；The three-level tank body
10 have from the structure that upper and lower end face gradually tapers up to respectively among tank body and its tank body lower end are provided with discharge gate；This
The structure that shape is shunk at sample both ends can be realized increases the effect of fluid motion speed in upper end again, is suitble to the dosing of afterbody strong
Change and be mixed, the initial velocity of the flotation device of fluid-mixing flow direction can be increased using contraction type in lower end.It is further preferred that institute
Uninterrupted appropriate adjustment can be fed according to subsequent flocfloatation machine by stating 10 lower end discharge gate of three-level tank body, 11 size.
Wherein, the feeder 2 uses ring-shape distribution Multipoint synchronous feed-type, is fixedly installed in level-one tank body 6
Gland 4 on, by distributed pipeline 3 along side straight down be level-one tank body 6 with multiple spot, uniformly, synchronous feed-type feeds
To fine- disseminated ore mass suspension, multiple spot feed-type and the configuration mode of following ring-shape distribution flocculant addition manners are more advantageous
In dispersion early period and later period immixture that play agitator arm, ore pulp suspension and flocculant crossed dispersion, mixed effect compared with
It is good.Further, the feeder is using the endless tube structure being fixedly installed on the gland 4 of level-one tank body, the endless tube structure
By multiple perpendicular connections and along its circumferentially uniformly distributed distributed pipeline 3 with the distributed synchronous feed-type of multiple spot to institute
Tank body is stated to be fed.
Wherein flocculant addition mechanism is that the multi-stage annular distribution that the tank body matches adds pipeline, wherein one
Grade flocculant addition 5 shell type of pipeline is installed on outside level-one tank body 6, and longitudinal height is located at 13 top of level-one agitator arm, using more
Point injection mode injects flocculant into level-one tank body 6, and is entered inside level-one tank body 6 by 12 straight cutting of level-one branch line, more
Point is through forming cross-mixing stream with fine- disseminated ore mass suspension to injection flocculant；Second level flocculant adds the installation of 7 shell type of pipeline
In outside second level tank body 8, flocculant is injected into second level tank body 8 using multiple spot injection mode, and straight by second level branch line 14
It is inserted into inside second level tank body 8, intersects mixed flow with the stream formation that is stirred flowed through inside level-one tank body 6；Three-level flocculant adds
9 shell type of pipeline is added to be installed on outside three-level tank body, 10 inject flocculant into three-level tank body 10 using multiple spot injection mode, and pass through
16 straight cutting of three-level branch line enters inside three-level tank body 10, forms friendship again with the stream that is stirred flowed through inside second level tank body 8
Pitch mixed flow；Make simultaneously the corresponding flocculant additive amount of flocculants at different levels addition pipelines with flocculating effect reinforcing step by step compared with
Few, the batting-unit structure that decrement addition flocculant is formed step by step is more stable, is easy to the flotation of Separate Fine-grained Minerals particle.
Wherein such as Fig. 4-Fig. 9, the rabbling mechanism is multi-stage coaxial lobus cardiacus bladed impeller rabbling mechanism, wherein level-one
Agitator arm 13, second level agitator arm 15, three-level agitator arm 17 are sequentially fixed at from top to bottom on concentric rotating shafts 1, and level-one
Agitator arm 13, second level agitator arm 15,17 lengthwise position of three-level agitator arm respectively correspond be set in level-one tank body 6, two
In grade tank body 8 and in three-level tank body 10, the level-one agitator arm 13 adds for stirring via feeder 2 and level-one flocculant
The ore pulp suspension and flocculant cross-mixing stream for adding pipeline 5 to be formed, the second level agitator arm 15, the three-level agitator arm
17 are respectively used to what the flow of slurry body that the flocculant of stirring the same level flocculant addition pipeline injection and upper level move downward was formed
Cross-mixing stream；Further, the level-one agitator arm, second level agitator arm and three-level agitator arm are by multiple along institute
It states the circumferentially uniformly distributed blade impellers composition of concentric rotating shafts and each blade impellers and the center line of the concentric rotating shafts is in
Certain inclination angle lays and tilts blade impellers under i.e. composition, and the multistage configuration of above-mentioned rabbling mechanism is stirred, it can be achieved that mixing step by step
Mix, flow through the fine- disseminated ore mass suspension of tank interior Multi-stage stirring impeller again Stirring effect it is lower with accelerate, buffering,
The effect of the stirring further accelerated, the agitating mode can realize contact mixing of the size fractionated mineral grain with flocculant, optimize micro-
The flocculating effect of fine mineral particle improves flocfloatation technical indicator；And lower inclination blade impellers structure then has simultaneously
Double action that reinforcing is mixed and strengthening fluid flows downward.
The concentric rotating shafts 1 are for being fixedly mounted and being driven Multi-stage stirring mechanism, and wherein concentric rotating shafts 1 pass through level-one tank
It being fixedly mounted in 6 top gland 4 of body and in its center mounting hole, concentric rotating shafts 1 make rotating motion under external motor drive, and
Level-one agitator arm 13, second level agitator arm 15, three-level agitator arm 17 is driven to rotate, it is intracorporal for injection tank to be mixed
Fine- disseminated ore mass suspension and flocculant make to form the floccule body with rock-steady structure and stability property in fluid-mixing, be used for
Subsequent floatation process.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of multistage mixed stirring device for flocfloatation comprising tank body, feeder, flocculant addition mechanism,
Rabbling mechanism, concentric rotating shafts, it is characterised in that:
The tank body is multistage tank body, is included at least with the level-one tank from the upper end structure that end face gradually tapers up downwards
Body, respectively with the isometrical second level tank body being connected in the upper surface of the lower end surface of the level-one tank body, three-level tank body and have from tank
The three-level tank body for the structure that up and down end face gradually tapers up respectively among body is provided with discharge gate in three-level tank body lower end
And the level-one tank body, second level tank body and three-level tank body from top to bottom successively with concentric rotating shafts airtight connection；
The feeder is fixedly installed in level-one tank body upper end, can be by distributed pipeline along the vertical direction with multiple spot point
The synchronization feed-type of cloth is fed to the tank body；
Flocculant addition mechanism is the multilevel distributed addition pipeline to match with the tank body, includes at least shell type and pacifies
Loaded on can be added outside level-one tank body and with the level-one flocculant that the injection mode of multiple spot distribution injects flocculant into level-one tank body
Add pipeline, shell type to be installed on outside second level tank body and flocculant can be injected into second level tank body with the injection mode that multiple spot is distributed
Second level flocculant addition pipeline and shell type are installed on outside three-level tank body and can be with the injection modes of multiple spot distribution to three-level tank
The three-level flocculant of injection flocculant adds pipeline in vivo；
The rabbling mechanism is the multi-stage coaxial lobus cardiacus wheel rabbling mechanism to match with the tank body, is fixedly installed in described same
In heart shaft, and includes at least and be installed on the intracorporal level-one agitator arm of level-one tank, is installed on the intracorporal second level stirring of second level tank
Impeller and it is installed on the intracorporal three-level agitator arm of three-level tank.
2. multistage mixed stirring device according to claim 1, it is characterised in that:
The feeder using the endless tube structure being fixedly installed on the gland of level-one tank body, the endless tube structure by it is multiple with
It is connected to and is fed with the distributed synchronous feed-type of multiple spot to the tank body along its circumferentially uniformly distributed distributed pipeline,
The distributed pipeline is vertically set on plane where endless tube structure.
3. multistage mixed stirring device according to claim 1, it is characterised in that:
Flocculants at different levels addition pipelines are respectively by the branch line of multiple tank interiors for being inserted into corresponding rank to institute
State tank interior injection flocculant.
4. multistage mixed stirring device according to claim 1, it is characterised in that:
The level-one agitator arm, second level agitator arm and three-level agitator arm are in turn secured to described concentric turn from top to bottom
On axis, and agitator arm at different levels is made of multiple blade impellers circumferentially uniformly distributed along the concentric rotating shafts.
5. multistage mixed stirring device according to claim 4, it is characterised in that:
The center line of each blade impellers and the concentric rotating shafts is laid in certain inclination angle.
6. multistage mixed stirring device according to claim 1, it is characterised in that:
The concentric rotating shafts are fixedly mounted by being located at the center mounting hole of the gland of level-one tank body upper end, and by external motor band
It is dynamic to make rotating motion, and then drive agitator arm rotations at different levels.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710258066.4A CN106964496B (en) | 2017-04-19 | 2017-04-19 | A kind of multistage mixed stirring device for flocfloatation |
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| CN201710258066.4A CN106964496B (en) | 2017-04-19 | 2017-04-19 | A kind of multistage mixed stirring device for flocfloatation |
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| CN106964496A CN106964496A (en) | 2017-07-21 |
| CN106964496B true CN106964496B (en) | 2019-03-12 |
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| CN114273088B (en) * | 2021-12-31 | 2023-09-29 | 永兴特种材料科技股份有限公司 | Mud-control flotation beneficiation process |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IN165474B (en) * | 1986-04-23 | 1989-10-28 | Noel Carroll | |
| US6109449A (en) * | 1998-11-04 | 2000-08-29 | General Signal Corporation | Mixing system for separation of materials by flotation |
| AU2003901207A0 (en) * | 2003-03-17 | 2003-04-03 | Outokumpu Oyj | Auxiliary agitator for a floatation device |
| CN102989339A (en) * | 2012-12-19 | 2013-03-27 | 唐山森普工程设计有限公司 | Ore pulp pre-processor for coal dressing |
| CN103252183B (en) * | 2013-05-16 | 2014-11-05 | 安徽理工大学 | Classifying dropping-type coal slurry pretreating device |
| CN204656399U (en) * | 2015-05-30 | 2015-09-23 | 西安科技大学 | Stagewise is sized mixing pretreatment unit |
| CN105327646B (en) * | 2015-11-28 | 2018-02-23 | 西安科技大学 | Fine is sized mixing with mixing pre-processing device |
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