CN106964496A - 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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- CN106964496A CN106964496A CN201710258066.4A CN201710258066A CN106964496A CN 106964496 A CN106964496 A CN 106964496A CN 201710258066 A CN201710258066 A CN 201710258066A CN 106964496 A CN106964496 A CN 106964496A
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- tank body
- level
- flocculant
- grades
- level tank
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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
Abstract
The invention discloses a kind of multistage mixed stirring device for flocfloatation, it includes tank body, feeder, flocculant addition mechanism, rabbling mechanism, concentric rotating shafts；The tank body is three-level formula tank body, the feeder is ring-shape distribution multipoint feeder structure, the flocculant addition mechanism is the distributed flocculant addition mechanism of multi-stage annular, the multi-stag flocculant addition mechanism is respectively the uniform flocculant added for 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.Invention enhances the interaction of flocculant and suspension material, it is ensured that suspension and flocculant are fully contacted, the mixing and diffusion for it is beneficial to flocculant and micro-solid particle, enhances flocculating effect.
Description
Technical field
The present invention relates to a kind of multistage mixed stirring device, particularly relate to a kind of multistage for flocfloatation and mix
Close agitating device.
Background technology
With the continuous expansion and the continuity of large scale mining of mining industry, resource dilution is serious, and fine-grained disseminated grain ore resource is needed
Ask and increase, for the fine-grained disseminated grain mineral resources of reinforcing China rich reserves, the especially Efficient Development of microfine ore resource and
Utilize one of important process for turning into current beneficiation research.
At present, the subparticle in ore pulp is gathered into by the suitable floc sedimentation of granularity by flocculation, then passes through flotation side
The flocfloatation sorting technology that method reclaims floc sedimentation is applied to production practices.But in production practices, its coagulation used
Facility is generally the simple waterpower hybrid mode of design comparison, and the fine-particle minerals flocfloatation technique that existing machinery is mixed
Still needing to be separately configured the larger agitator of volume for mixing suspension and flocculant, it is impossible to realize that on-line mixing is stirred, account for
Use larger space.It can be said that existing agitating device has single flocculant addition point, skewness, flocculant and suspension
The problems such as liquid cross flow one is weak, often due to flocculant is insufficient contact with suspension, causes that mixing diffusion effect is poor, flocculate
Effect is poor, floatation separating technology index error, and then reduces the comprehensive utilization ratio of ore.
The content of the invention
In view of the defect that prior art is present, the invention aims to provide a kind of multistage mixing for flocfloatation
Agitating device, the device makes flocculant and suspension cross flow one using multistage addition flocculant and multistage mixing mode,
Strengthen the interaction of flocculant and suspension material, suspension and flocculant can be made fully to contact, and then improve fine
The development and utilization rate of grain ore resource.
To achieve these goals, technical scheme：
A kind of multistage mixed stirring device for flocfloatation, it includes tank body, feeder, flocculant addition machine
Structure, rabbling mechanism, concentric rotating shafts, it is characterised in that：
The tank body is multistage tank body, and it is at least included with the one-level from the upper end structure that end face is gradually tapered up downwards
Tank body, lower surface respectively with the one-level tank body, the isometrical two grades of tank bodies connected in upper surface of three-level tank body and with from
The 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 is gradually tapered up respectively in the middle of tank body
Material mouth and the one-level tank body, two grades of tank bodies and three-level tank body from top to bottom successively with concentric rotating shafts airtight connection；
The feeder is fixedly installed in one-level tank body upper end, and it can be by distributed pipeline vertically with many
The distributed synchronous feed-type of point is fed to the tank body；
The flocculant addition mechanism is the multilevel distributed addition pipeline matched with the tank body, and it at least includes set
Formula is installed on the one-level flocculation that the injection mode that can be distributed outside one-level tank body and with multiple spot injects flocculant into one-level tank body
Agent addition pipeline, shell type are installed on the injection mode that can be distributed outside two grades of tank bodies and with multiple spot and flocculation are injected into two grades of tank bodies
The two grades of flocculants addition pipeline and shell type of agent are installed on the injection mode that can be distributed outside three-level tank body and with multiple spot to three
The three-level flocculant addition pipeline of injection flocculant in level tank body；
The rabbling mechanism is the multi-stage coaxial lobus cardiacus wheel rabbling mechanism matched with the tank body, and it is fixedly installed in institute
State on concentric rotating shafts, and at least include being installed in one-level tank body one-level agitator arm, be installed in two grades of tank bodies two grades
Agitator arm and the three-level agitator arm being installed in three-level tank body.
Further, the feeder is using the endless tube structure being fixedly installed on the gland of one-level tank body, the endless tube
Structure is by multiple perpendicular connections and along its circumferential uniform 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 one-level agitator arm, two grades of agitator arms and three-level agitator arm are solid successively from top to bottom
Due on the concentric rotating shafts, and agitator arm at different levels is by multiple blade impellers structures circumferentially uniform along the concentric rotating shafts
Into.
Further, each blade impellers and the center line of the concentric rotating shafts are laid in certain inclination angle.
Further, the concentric rotating shafts are fixedly mounted by the center mounting hole of the gland positioned at one-level tank body upper end,
And rotated by external motor drive, and then drive agitator arms rotations at different levels.
Compared with prior art, beneficial effects of the present invention：
The present invention solves that flocculant and suspension Blending Efficiency of Blending in existing flocfloatation technique be poor, floccule body property and structure
The problem of stability is poor, flocculating effect is poor, it makes flocculant by using multistage addition flocculant and multistage mixing mode
With suspension cross flow one, the interaction of flocculant and suspension material is enhanced, it is ensured that suspension and flocculant are abundant
Contact, the mixing and diffusion for making it be beneficial to flocculant and micro-solid particle strengthens flocculating effect, provided favorably for flocfloatation
Condition is sorted, and then improves flocfloatation technical indicator, the development and utilization rate of microfine ore resource is improved.
Brief description of the drawings
Fig. 1 is the main structure diagram of multistage mixed stirring device of the present invention；
Fig. 2 is Fig. 1 part sectioned view；
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 Fig. 3 A-A to profile；
Fig. 6 is Fig. 3 B-B direction profile；
Fig. 7 is Fig. 3 D-D to profile；
Fig. 8 is Fig. 3 E-E to profile；
Fig. 9 is Fig. 3 dimensional structure diagram.
In figure：1st, concentric rotating shafts, 2, feeder, 3, distributed pipeline, 4, gland, 5, one-level flocculant addition pipeline,
6th, one-level tank body, 7, two grades of flocculant addition pipelines, 8, two grades of tank bodies, 9, three-level flocculant addition pipeline, 10, three-level tank body,
11st, discharge gate, 12, one-level branch line, 13, one-level stirring runner, 14, two grades of branch lines, 15, two grades of stirring runners, 16,
Three-level branch line, 17, three-level stirring runner.
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, technical scheme is clearly and completely described, it is clear that described embodiment is that a part of the invention is real
Apply example, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
For significance of the flocfloatation technology to Separate Fine-grained Minerals grain sorting, to solve in existing flocfloatation technique
Flocculant with suspension Blending Efficiency of Blending is poor, floccule body property and structure stability is poor, flocculating effect difference the problem of, the present invention is devised
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, the interaction of enhancing flocculant and suspension material, can make suspension and
Flocculant is fully contacted, and is conducive to the mixing and diffusion of flocculant and micro-solid particle, strengthens flocculating effect, and then improve wadding
Flotation selecting technology index, improves the development and utilization rate of microfine ore resource.
Based on above-mentioned principle, as shown in Fig. 1-Fig. 9, multistage mixed stirring device of the present invention, it include tank body, to
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, and it at least includes one-level tank body 6, two grades of tank bodies 8 and three
Level tank body 10, and the one-level tank body 6, two grades of tank bodies 8 and three-level tank body 10 from top to bottom successively with the closed company of concentric rotating shafts 1
Connect, the open-centre gland 4 for installing concentric rotating shafts 1 is installed in the top of one-level tank body 6.It is preferred that, the one-level tank body 6 has
Have from the upper end structure that end face is gradually tapered up downwards, the structure of such retracted downward shape is beneficial to the acceleration of stirring fluid-mixing
Move downward；Two grades of tank bodies 8 are its through i.e. lower surface respectively with the one-level tank body 6, three-level tank body 10 it is upper
The isometrical connection of end face, such so that the lower end diameter of one-level tank body 6 is equal with two grades of diameters of tank body 8, the upper end of three-level tank body 10 is straight
The footpath structure equal with two grades of diameters of tank body 8, such as cylinder, the effect with buffer fluid movement velocity；The three-level tank body
10 have from the structure that upper and lower end face is gradually tapered up to respectively in the middle of tank body and its tank body lower end are provided with discharge gate；This
The structure that shape is shunk at sample two ends can realize that increasing fluid motion speed again in upper end acts on, and the dosing for being adapted to afterbody is strong
Change and mix, 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
The big I of 10 lower end discharge gate of three-level tank body 11 is stated suitably to be adjusted according to follow-up flocfloatation machine feed uninterrupted.
Wherein, the feeder 2 uses ring-shape distribution Multipoint synchronous feed-type, is fixedly installed in one-level tank body 6
Gland 4 on, fed by distributed pipeline 3 along side straight down for one-level tank body 6 with multiple spot, uniform, synchronous feed-type
Fine- disseminated ore mass suspension is treated, the configuration mode of multiple spot feed-type and following ring-shape distribution flocculant addition manners is more favourable
It is scattered with later stage immixture in the early stage for playing 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 one-level tank body, the endless tube structure
By multiple perpendicular connections and along its circumferential uniform distributed pipeline 3 with the distributed synchronous feed-type of multiple spot to institute
Tank body is stated to be fed.
Wherein described flocculant addition mechanism is the multi-stage annular distribution addition pipeline that the tank body matches, wherein one
The level flocculant addition shell type of pipeline 5 is installed on outside one-level tank body 6, and longitudinal direction height is located at the top of one-level agitator arm 13, using many
Point injection mode injects flocculant into one-level tank body 6, and is entered by the straight cutting of one-level branch line 12 inside one-level tank body 6, many
Point warp-wise injection flocculant, with fine- disseminated ore mass suspension formation cross-mixing stream；Two grades of flocculant addition pipeline 7 shell types are installed
In outside two grades of tank bodies 8, flocculant is injected into two grades of tank bodies 8 using multiple spot injection mode, and it is straight by two grades of branch lines 14
Insert inside two grades of tank bodies 8, with flowing through the stirring mixed flow formation cross-mixing stream inside one-level tank body 6；Three-level flocculant adds
Flocculant is injected into three-level tank body 10 using multiple spot injection mode plus the shell type of pipeline 9 is installed on outside three-level tank body, 10, and passed through
The straight cutting of three-level branch line 16 enters inside three-level tank body 10, and friendship is formed again with flowing through the stirring mixed flow inside two grades of tank bodies 8
Pitch mixed flow；Cause simultaneously the corresponding flocculant addition of flocculants at different levels addition pipelines with flocculating effect reinforcing step by step compared with
Few, the batting-unit structure of decrement addition flocculant formation is more stablized step by step, it is easy to the flotation of Separate Fine-grained Minerals particle.
Wherein such as Fig. 4-Fig. 9, described rabbling mechanism is multi-stage coaxial lobus cardiacus bladed impeller rabbling mechanism, wherein, one-level
Agitator arm 13, two grades of agitator arms 15, three-level agitator arms 17 are sequentially fixed on concentric rotating shafts 1 from top to bottom, and one-level
Agitator arm 13, two grades of agitator arms 15, the lengthwise position of three-level agitator arm 17 are correspondingly arranged in one-level tank body 6 respectively, two
In level tank body 8 and in three-level tank body 10, the one-level agitator arm 13 is used to stir to be added via feeder 2 and one-level flocculant
Plus the ore pulp suspension and flocculant cross-mixing stream of the formation of pipeline 5, two grades of agitator arms 15, the three-level agitator arm
The flow of slurry body formation that 17 flocculants and upper level for being respectively used to this grade of flocculant addition pipeline injection of stirring are moved downward
Cross-mixing stream；Further, the one-level agitator arm, two grades of agitator arms and three-level agitator arm by multiple along institute
State the circumferentially uniform blade impellers composition of concentric rotating shafts and each blade impellers and the center line of the concentric rotating shafts are in
Certain inclination angle is laid and blade impellers is tilted under i.e. composition, and the multistage configuration of above-mentioned rabbling mechanism, achievable mix step by step is stirred
Mix, flow through the fine- disseminated ore mass suspension of tank interior Multi-stage stirring impeller again Stirring effect it is lower with accelerating, 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.
Described concentric rotating shafts 1 are used to be fixedly mounted and be driven Multi-stage stirring mechanism, and wherein concentric rotating shafts 1 pass through one-level tank
The top gland 4 of body 6 is simultaneously fixedly mounted in wherein heart mounting hole, and concentric rotating shafts 1 rotate in the case where external motor belt motor is dynamic, and
One-level agitator arm 13, two grades of agitator arms 15, three-level agitator arms 17 is driven to rotate, for mixing in injection tank body
Fine- disseminated ore mass suspension and flocculant, make to form the floccule body with rock-steady structure and stability property in fluid-mixing, are used for
Follow-up floatation process.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of multistage mixed stirring device for flocfloatation, it include tank body, feeder, flocculant addition mechanism,
Rabbling mechanism, concentric rotating shafts, it is characterised in that：
The tank body is multistage tank body, and it is at least included with the one-level tank from the upper end structure that end face is gradually tapered up downwards
Body, lower surface respectively with the one-level tank body, isometrical two grades of tank bodies connected in upper surface of three-level tank body and with from tank
The three-level tank body lower end is provided with discharge to the three-level tank body for playing the structure that upper and lower end face is gradually tapered up respectively in the middle of body
Mouthful and the one-level tank body, two grades of tank bodies and three-level tank body from top to bottom successively with concentric rotating shafts airtight connection；
The feeder is fixedly installed in one-level tank body upper end, and it can be by distributed pipeline vertically with multiple spot point
The synchronous feed-type of cloth is fed to the tank body；
The flocculant addition mechanism is the multilevel distributed addition pipeline matched with the tank body, and it at least includes shell type and pacified
Outside loaded on one-level tank body and the injection mode that can be distributed with multiple spot is injected the one-level flocculant of flocculant into one-level tank body and added
Plus pipeline, shell type are installed on the injection mode that can be distributed outside two grades of tank bodies and with multiple spot and flocculant are injected into two grades of tank bodies
Two grades of flocculants addition pipelines and shell type are installed on the injection mode that can be distributed outside three-level tank body and with multiple spot 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 matched with the tank body, and it is fixedly installed in described same
In heart rotating shaft, and at least include the one-level agitator arm being installed in one-level tank body, two grades of stirrings being installed in two grades of tank bodies
Impeller and the three-level agitator arm being installed in three-level tank body.
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 one-level tank body, the endless tube structure by it is multiple with
Its vertical connection is simultaneously carried out along its circumferential uniform distributed pipeline with the distributed synchronous feed-type of multiple spot to the tank body
Feed.
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 lines 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 one-level agitator arm, two grades of agitator arms and three-level agitator arm are in turn secured to described concentric turn from top to bottom
On axle, and agitator arm at different levels is constituted by multiple blade impellers circumferentially uniform along the concentric rotating shafts.
5. multistage mixed stirring device according to claim 4, it is characterised in that：
Each blade impellers and the center line of the concentric rotating shafts are 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 the center mounting hole of the gland positioned at one-level tank body upper end, and by external motor band
It is dynamic to rotate, and then drive agitator arm rotations at different levels.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258066.4A CN106964496B (en) | 2017-04-19 | 2017-04-19 | A kind of multistage mixed stirring device for flocfloatation |
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| CN106964496A true CN106964496A (en) | 2017-07-21 |
| CN106964496B CN106964496B (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710258066.4A Active CN106964496B (en) | 2017-04-19 | 2017-04-19 | A kind of multistage mixed stirring device for flocfloatation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273088A (en) * | 2021-12-31 | 2022-04-05 | 永兴特种材料科技股份有限公司 | Mud-control flotation mineral separation process |
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| WO1987006502A1 (en) * | 1986-04-23 | 1987-11-05 | Noel Carroll | Cyclone separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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