CN105964415B - A kind of quantitative dosing reverse agitating function center is sized mixing integral type floatation equipment - Google Patents
A kind of quantitative dosing reverse agitating function center is sized mixing integral type floatation equipment Download PDFInfo
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- CN105964415B CN105964415B CN201610384210.4A CN201610384210A CN105964415B CN 105964415 B CN105964415 B CN 105964415B CN 201610384210 A CN201610384210 A CN 201610384210A CN 105964415 B CN105964415 B CN 105964415B
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- rabbling mechanism
- rotating cylinder
- ore pulp
- flotation cell
- quantitative
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/113—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
- B01F27/1131—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller with holes in the propeller blade surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/72—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices
- B01F27/721—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with two or more helices in the same receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/714—Feed mechanisms for feeding predetermined amounts
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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
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/145—Feed mechanisms for reagents
-
- 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
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1456—Feed mechanisms for the slurry
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Biotechnology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
Sized mixing flotation technology field the invention belongs to coal slime, and in particular to a kind of quantitative dosing reverse agitating function center is sized mixing integral type floatation equipment.The present invention comprises at least flotation cell, rabbling mechanism and quantitative remedy-adding system；Rabbling mechanism is arranged horizontally in flotation cell in pairs, and drum surface is provided with positive propeller runner and derotation impeller, and surface offers the second discharging opening；Feeding pipe is installed inside rotating cylinder, the first discharging opening is provided with the downside of feeding pipe, branching block has been evenly arranged on pan feeding inside pipe wall；Rabbling mechanism can realize cutting, spray, get rid of and penetrate, stir four three phase separations of mixing；Certain gap is left between rotating cylinder and feeding pipe, after rotating cylinder rotates at a high speed, negative inspiratory pressure is formed in gap, air stream is cut scattered by the second discharging opening；Quantitative remedy-adding system is provided with the pipeline of ore pulp import, can be according to the quantitative addition medicament of mineral slurry flux；This equipment also includes circulating foam scraping machine, realizes that full groove face scrapes bubble；The present invention has the advantages of not needing ore pulp pre-processing device.
Description
Technical field
Sized mixing flotation technology field the invention belongs to coal slime, and in particular to a kind of quantitative dosing reverse agitating function center sizes mixing one
Body formula floatation equipment.
Background technology
With the scarcity of coal resources in China and the raising of coal mining mechanization degree, the evil of coal geological exploration condition
Change, cause increasingly to reduce from the grade of the run-of-mine coal (ROM coal) on ore deposit underground mining.Coal preparation plant is produced using dense medium cyclone mostly at present
Technological process, caused secondary slime amount in washing process is exacerbated, add the burden of the slime water treatment link in later stage；Add
It, Chinese coal market conditions persistently drop at present, this existing in order to change under the increasingly difficult situation of in-situ production environment
Shape, new technology is attempted, accelerates the development and exploitation of new equipment, turns into the problem of presently the most important.
Low ash, the fine coal slime of golf calorific value are reclaimed from black water, is the problem of scene is paid attention to always.From existing flotation
In equipment, mechanical agitation type and air jet flotation machine use in most of coal preparation plants, but both of which needs ore pulp to pre-process
Device and respectively there are advantage and disadvantage.The depth of the mineralization degree of ore pulp, directly affects the froth flotation in later stage, and at present scene plus
Medicine system is judged according to the experience of post driver；So accordingly, propose that a kind of quantitative dosing reverse agitating function center is sized mixing
Integral type floatation equipment, the equipment can effectively improve the problem of presently, there are, quantitative dosing, increases mineralization degree, improve flotation
Efficiency, it is proposed that a kind of new rabbling mechanism, certain basis is provided for the maximization of later floatation equipment.
The content of the invention
Sized mixing integral type floatation equipment it is an object of the invention to provide a kind of quantitative dosing reverse agitating function center.This flotation
Equipment is provided with quantitative remedy-adding system in ore pulp import；It can be arrived according to the instant mineral slurry flux data transfer that electromagnetic flowmeter gathers
PLC control cabinet, PLC control stepper motor action after carrying out data processing, according to the change of mineral slurry flux, quantitative dosing, had
Effect saves dosing；A pair of rabbling mechanisms are at least arranged in flotation cell, positive and negative opposite positive vane is disposed with rotating cylinder
Wheel and derotation impeller, aggravate the turbulence level of ore pulp, effectively improve mineralization degree；Feeding pipe is disposed with rotating cylinder, in pan feeding
The downside of pipe, offers the first feeding mouth, and ore pulp dissipates from the false bottom four of the spouting impact flotation cell body bottom of the first feeding mouth
Come, further improve the mineralization degree of ore pulp；There is certain gap between feeding pipe and rotating cylinder, on rotating cylinder uniformly
Offer the first feeding mouth；When rotating cylinder rotates at a high speed, the ore pulp in gap is got rid of into injection flotation cell, negative pressure is formed in gap
Area, air is sucked from air intake duct, with ore pulp, the abundant collisional mixing of medicament；The floatation equipment does not need ore pulp pretreatment system,
It is simple in construction, it is easy to maintenance, save dosing.
To achieve the above object, present invention employs following technical scheme：Size mixing at a kind of quantitative dosing reverse agitating function center
Integral type floatation equipment, including at least flotation cell, it is characterised in that：At least provided with a pair of rabbling mechanisms in the flotation cell,
I.e. rabbling mechanism one and rabbling mechanism two (with the signal positioned opposite of a pair of rabbling mechanisms in this equipment, can also multipair mixer
Structure is positioned opposite), the rabbling mechanism one is arranged with two equal horizontal parallel of rabbling mechanism；The rabbling mechanism one and rabbling mechanism
Two form by variable-frequency motor, rotating cylinder, feeding pipe；The variable-frequency motor is connected by shaft coupling with drive shaft, the drive shaft
Weld together with rotating cylinder, the rotating cylinder both ends are provided with bearing one and bearing two, and the drum surface is provided with positive propeller runner
With derotation impeller, the positive propeller runner and derotation impeller interlaced arrangement, offer on the rotating cylinder and be uniformly distributed in the of cylinder
Two discharging openings, the rabbling mechanism one and the rabbling mechanism two positive propeller runner of interlaced arrangement and derotation in drum surface same position
Impeller；The rotating cylinder positioned inside has feeding pipe, and the feeding pipe, which is fixed on inside rotating cylinder, is not involved in rotary motion, the pan feeding
There is certain gap between pipe and rotating cylinder, the other end of the rotating cylinder is provided with air intake duct, and the air intake duct is arranged in rotating cylinder
At gap port between feeding pipe, port sealing, the entrance top of the air intake duct higher than the liquid level in flotation cell and with
Air is connected, and the first discharging opening is offered on the downside of the feeding pipe, is uniformly mounted with branching block on the pan feeding inside pipe wall, institute
It is a cube of tetrahedron to state branching block, and most long stringcourse and the ore pulp of the branching block direction that becomes a mandarin are head-on positioned opposite；Institute
Ore pulp import and slurry outlet should be also provided with by stating on flotation cell, the ore pulp import is connected by flange with feeding pipe；The ore deposit
Quantitative remedy-adding system is provided with slurry inlet.
The quantitative remedy-adding system is by medicament barrel, chemical feed pipe, rubber piston, stepper motor, PLC control cabinet, Electromagnetic Flow
Meter, circular nut composition.
By pipeline with being connected on the downside of chemical feed pipe, the chemical feed pipe and medicament barrel connecting place are medicine for the bottom of the medicament barrel
Agent entrance, the medicament entrance are provided with magnetic valve one before；Magnetic valve two, the chemical feed pipe are provided with the downside of the chemical feed pipe
To be arranged on inside ore pulp import be agent outlet for outlet, the agent outlet direction flows to identical with ore pulp；The chemical feed pipe
It is made by colourless transparent resin glass, scale is carved with the dosing pipe outer wall, the positioned inside of the chemical feed pipe has rubber
Glue piston, the rubber piston are connected with rack, together with the rack is brought into close contact with stepper motor by gear,
The gear is arranged on stepper motor.
The electromagnetic flowmeter is placed in ore pulp entrance, and the electromagnetic flowmeter is arranged in before agent outlet, described
Electromagnetic flowmeter, stepper motor, magnetic valve one, magnetic valve two are connected by wire with PLC control cabinet, the electromagnetic flowmeter,
It is that the relation mutually to cooperate is realized by PLC control cabinet between stepper motor, magnetic valve one, magnetic valve two；The annular
Nut is placed in the lower end of chemical feed pipe, plays a part of fixed chemical feed pipe, also functions to the work that chemical feed pipe is changed in convenient dismounting maintenance
With.
It is additionally provided with circulating foam scraping machine on the upside of the flotation cell, the circulating foam scraping machine is by rotary shaft, soft
Property conveyer belt, scraper plate composition.
The circulating foam scraping machine is placed in flotation cell cell body top, and the circulating foam scraping machine is in transport banding structure
Make, the flexible transport band is in closed loop structure, and on the rotary shaft, the flexible transport band outer surface is disposed with scrapes nesting
Plate, the direction of action of the vertical flexible transport band of plate face of scraper plate.
The circulating foam scraping machine side is provided with defoaming groove, and the defoaming groove is placed in both sides and the groove of flotation cell body
External wall is connected, and is concentrate enrichment region below the circulating foam scraping machine；The is provided with the outside of the pair of rabbling mechanism
One baffle plate and second baffle, the first baffle and second baffle are located in flotation cell, and the first baffle erects with second baffle
Straight arrangement, the first baffle and second baffle weld together with cell body both sides inwall and top is less than circulating foam scraping machine
Height；The bottom of the rabbling mechanism one and rabbling mechanism two is mixed zone one, the rabbling mechanism one and rabbling mechanism two
Positive propeller runner and derotation impeller between be mixed zone two；The rabbling mechanism arranged beneath have false bottom and under vacation it is square
Through hole, the false bottom is parallel with flotation cell body bottom, and the through hole circulates ore pulp by pumping and entered through piping and ore pulp
Mouth is connected.
Beneficial effects of the present invention are shown：
1st, a kind of quantitative dosing reverse agitating function center of the invention is sized mixing integral type floatation equipment, has traditional machinery concurrently
The advantages of formula, air jet flotation machine；Bubble is abundant, rabbling mechanism is simple in construction；Quantitative dosing, save dosing；Ore pulp is disorderly
Flow degree is higher, and remineralization efficacy is good, and flotation efficiency is high.
2nd, the present invention uses quantitative remedy-adding system, and in the case where pulp density is certain, electromagnetic flowmeter collection is flowed immediately
Data transfer is measured to PLC control cabinet；By the data processed result output control stepper motor inside PLC control cabinet rotating speed with
Movement travel, so as to realize quantitative addition medicament；Other chemical feed pipe makes for organic clear glass, facilitates field worker
Observation；Magnetic valve one in quantitative remedy-adding system, in the course of work of magnetic valve two be mutual locking relation, that is, work as electromagnetism
Valve one is opened, and when magnetic valve two is closed, the data that driving stepper motor gear transmits according to PLC control cabinet lift rack, from
Medicament is sucked in medicament barrel into medicament pipe；When magnetic valve one is closed, and magnetic valve two is opened, stepper motor controls according to PLC
The speed and chemical feeding quantity of the data control dosing of case transmission, so as to realize quantitative dosing.
3rd, the present invention uses the positive propeller runner of arranged for interval and derotation impeller on rotating cylinder, in the case of drum rotation, just
Vane wheel drive ore pulp moves to derotation impeller, and derotation impeller-driven ore pulp moves to positive propeller runner, when two bursts of flow of slurry are met
Afterwards, drastically collide, shear, improve the mixability of gas-liquid-solid three-phase.
4th, the present invention, in the case where ore pulp medicament is fed simultaneously, is played and cut using the branching block arranged in feeding pipe
The effect of flow of slurry and dispersions is cut, improves remineralization efficacy, forms the effect for once cutting mixing.
5th, the present invention is provided with the first discharging opening using static feeding pipe is disposed with rotating cylinder in pan feeding bottom of the tube,
Constantly feed ore pulp in the case of, the space in feeding pipe is limited, ore pulp under pressure from the first discharging opening spray and
Go out, gushed again by the second discharging opening on rotating cylinder to go out, impact the false bottom of flotation trench bottom, play secondary collision mixing
Effect.
6th, the present invention leaves certain gap between rotating cylinder and feeding pipe, while rotating cylinder rotates at a high speed, is present in
The ore pulp in gap is got rid of injection flotation cell, realizes the effect got rid of penetrate mixing three times
7th, the present invention is provided with positive propeller runner and derotation using a pair of rabbling mechanisms are set in flotation cell in drum surface
Impeller, when rabbling mechanism rotates, positive propeller runner is stirred under effect with derotation impeller, realizes four gas-liquid mixtures solid three
The effect of phase.
8th, rotating cylinder is connected by the present invention with variable-frequency motor, according to the property of ore pulp, can adjust the rotating speed of rotating cylinder at any time,
Realize intelligent control.
9th, after the rotating cylinder of rotation gets rid of injection ore pulp at a high speed, negative pressure is formed in gap, passes through air intake duct and sucks air, air
Stream is divided into small bubble, plays a part of microvesicle generators by the second small discharging opening on rotating cylinder.
10th, the present invention uses circulating foam scraping machine, timely can collect flotation froth and scrape, be follow-up flotation
Journey provides good environment, to ensure the continuous uninterrupted running of equipment.
11st, all structures of the invention can realize full groove face on the side of flotation cell body and bottom, flotation cell top
Bubble is scraped, present case is illustrated with a pair of rabbling mechanisms, and can also be arranged in parallel multipair rabbling mechanism, and the large-scale of floatation equipment can be achieved
Change.
12nd, the present invention does not need ore pulp pre-processing device, can voluntarily realize cutting, spray, gets rid of and penetrate, stir four mixing works
With the effect that center of being realized inside flotation cell is sized mixing.
13rd, the present invention in pairs arrangement rabbling mechanism, and in the relative position of rabbling mechanism the positive propeller runner of arranged for interval with
Derotation impeller, region therebetween is also three phase mixtures.
Brief description of the drawings
Size mixing the structural representation of integral type floatation equipment at a kind of quantitative dosing reverse agitating function center that Fig. 1 is the present invention.
Fig. 2 is A-A cross-sectional views.
Fig. 3 is quantitative remedy-adding system structural representation.
Fig. 4 is rabbling mechanism relative position schematic diagram.
Fig. 5 is feeding pipe structural representation.
Fig. 6 is deployed configuration schematic diagram inside feeding pipe.
Fig. 7 is branching block structural representation.
Reference implication is as follows in figure：
10-flotation cell, the import of 101-ore pulp, 102-slurry outlet, the circulating foam scraping machines of 11-, 111-rotary shaft,
112-flexible transport band, 113-scraper plate, 12- defoaming grooves, 13-first baffle, 14-second baffle, 15-concentrate enrichment region,
16-false bottom, 17-through hole, 20-rabbling mechanism, 201-rabbling mechanism one, 202-rabbling mechanism two, 21-variable-frequency motor,
211-shaft coupling, 212-drive shaft, 213-bearing one, 214-bearing two, 22-rotating cylinder, 221-positive propeller runner, 222-
Derotation impeller, the 223-the second discharging opening, 23-feeding pipe, the 231-the first discharging opening, 232-branching block, 30-mixed zone one,
31-mixed zone two, 40-air intake duct, 50-quantitative remedy-adding system, 51-medicament barrel, 511-magnetic valve one, 512-medicament enters
Mouthful, 52-chemical feed pipe, 521-magnetic valve two, 522-agent outlet, 53-rubber piston, 531-rack, 54-stepping electricity
Machine, 541- gears, 55-PLC control cabinet, 56-electromagnetic flowmeter, 57-circular nut, 60-flange
Embodiment
For ease of understanding, here in connection with Fig. 1-7, specific embodiment of the invention is made described further below：
The concrete composition part of the present invention, is divided into several big modules, including：It is flotation cell (10), rabbling mechanism (20), circulating
Foam scraping machine (11), quantitative remedy-adding system (50) are described in detail one by one below：
1st, rabbling mechanism
As Figure 1 and Figure 4, rabbling mechanism (20) is emphasis of the invention for its mechanism；This example is with a pair of rabbling mechanisms
(20) illustrate, i.e.,：Rabbling mechanism one (201) and rabbling mechanism two (202), rabbling mechanism (20) are arranged in parallel in the horizontal direction
Flotation cell (10) is internal；Rabbling mechanism one (201) includes rotating cylinder (22), and rotating cylinder (22) is provided at both ends with bearing one (213), bearing
Two (214), as shown in Figure 4；Rotating cylinder (22) left end is welded with drive shaft (212), drive shaft (212) by shaft coupling (211) with
Variable-frequency motor (21) connects；At work, variable-frequency motor (21) drives rotating cylinder (22) rotation, in addition, on rotating cylinder (22), from a left side
A pair positive propeller runners (221), derotation impellers (222) are at least disposed with to the right side；On rotating cylinder (22) surface of rabbling mechanism two (202)
On be at least disposed with a pair of derotation impellers (222), positive propeller runner (221) from left to right；Uniformly opened up on rotating cylinder (22) cylinder
There is the second discharging opening (223)；Feeding pipe (23) is installed inside rotating cylinder (22), feeding pipe (23) is static, is not involved in rotation fortune
It is dynamic, leave certain gap between rotating cylinder (22) and feeding pipe (23)；Is uniformly offered in the downside of feeding pipe (23) body
One discharging opening (231), uniform welding has branching block (232) on feeding pipe (23) inwall, plays the work of cutting ore pulp and medicament
With branching block (232) arrangement and structural representation are as shown in Figure 6,7；When rotating cylinder (22) rotates at a high speed, rotating cylinder (22) and feeding pipe
(23) ore pulp between in gap, which is got rid of, to be shot out, and negative pressure is formed in gap, by the air-breathing for being arranged on rotating cylinder (22) right-hand member
(40) air-breathing is managed, air stream is cut by the second discharging opening (223) and is dispersed into small bubble, and the top of air intake duct (40) is high
Degree is higher than flotation cell (10) interior liquid level；When rotating cylinder (22) rotates, positive propeller runner (221) drives ore pulp to derotation impeller
(222) move, derotation impeller (222) drives ore pulp to be moved to positive propeller runner (221), and two strands of ore pulps are mutually collided, disperseed, ore deposit
Change, be mixed zone one (30) so in the underface of rabbling mechanism one (201) and rabbling mechanism two (202), in rabbling mechanism one
(201) and rabbling mechanism two (202) in the horizontal direction between be mixed zone two (31)；The is provided with the outside of the rabbling mechanism (20)
One baffle plate (13), second baffle (14), first baffle (13) are arranged vertically in flotation cell (10) with second baffle (14), and two
End is welded on cell body inwall；Structure of the present invention realizes the effect sized mixing at flotation cell (10) interior center.
2nd, quantitative remedy-adding system
As shown in Figure 1,3, quantitative remedy-adding system (50) is another emphasis of the invention to its structure；Quantitative remedy-adding system (50)
It is arranged on ore pulp import (101) place, including medicament barrel (51), chemical feed pipe (52), rubber piston (53), stepper motor (54), PLC
Control cabinet (55), electromagnetic flowmeter (56)；The agent outlet (522) of chemical feed pipe (52) bottom is built in ore pulp import (101)
In pipeline, export direction is consistent with flow of slurry direction；Magnetic valve two (521), chemical feed pipe are mounted with the downside of chemical feed pipe (52)
(52) rubber piston (53) is internally provided with, rubber piston (53) is connected with rack (531), and stepper motor (54) passes through tooth
Wheel (541) links together with rack (531)；Equipped with the medicament modulated inside medicament barrel (51), staving bottom passes through pipe
Road links together with chemical feed pipe (52), and interface is medicament entrance (512), is magnetic valve one before medicament entrance (512)
(511)；Magnetic valve one (511), magnetic valve two (521), electromagnetic flowmeter (56), stepper motor (54) pass through wire and PLC
Control cabinet (55) links together；Specific work process is：Passed when electromagnetic flowmeter (56) measures instant mineral slurry flux data
It is defeated to arrive PLC control cabinet (55), after PLC control cabinet (55) is to data processing, control stepper motor (54) action, with certain speed
Rotate, drive gear bar (531) moves downward certain stroke, realizes quantitative dosing, and medicament is squeezed out by agent outlet (522)
Into in the pipeline of ore pulp import (101), now, PLC control cabinet (55) control magnetic valve two (521) is opened, magnetic valve one
(511) close；When the medicament in chemical feed pipe (52) has all used, PLC control cabinet (55) control magnetic valve two (521) is closed,
Magnetic valve one (511) is opened, and stepper motor (54) action drives rack (531) moves upwards, is extracted from medicament barrel (51)
Medicament enters in chemical feed pipe (52), extracts medicament process stepper motor (54) and is swift in motion；In addition, set on the downside of chemical feed pipe (52)
Circular nut (57) is equipped with, facilitates demolition, repair, replacement chemical feed pipe；Ore pulp import (101) pipeline passes through flange (60) and pan feeding
Manage (23) connection.
3rd, circulating foam scraping machine
As shown in Figure 1, 2, circulating foam scraping machine (11) is arranged at flotation cell (10) upper foam layer its structure, including
Rotary shaft (111), flexible conveyer belt (112), scraper plate (113), flexible conveyer belt (112) is installed in rotary shaft (111), it is vertical soft
Property conveyer belt (112) direction of motion be evenly arranged scraper plate (113), the arrow in Fig. 2 below circulating foam scraping machine (11) represents
The rotary motion direction of circulating foam scraping machine (11), foam rise to liquid level, are gathered in concentrate enrichment region (15), circulating to scrape
Bubble mechanism (11) rotary motion scrapes foam to the defoaming groove (12) of flotation cell (10) cell body top both sides；It is circulating to scrape bubble
Mechanism (11) can be achieved full groove face and scrape bubble；It is additionally provided with flotation cell (10) bottom parallel to the false bottom (16) of bottom land and positioned at vacation
Through hole (17) below bottom (16), slurry outlet (102) is additionally provided with flotation cell (10) side.
It is described further with reference to Fig. 1-7 pairs of courses of work of the invention：
When floatation equipment works, variable-frequency motor (21) connects drive shaft (212) by shaft coupling (211) and drives rotating cylinder
(22) rotate, ore pulp is fed from the ore pulp import (101) on right side, while is disposed with quantitative dosing system at ore pulp import (101) place
Unite (50), in the case where pulp density is certain, electromagnetic flowmeter (56) measures mineral slurry flux data transfer to PLC control cabinet
(55) after, PLC control cabinet (55) carries out data processing, stepper motor (54) implementation is acted, drive gear bar (531) exercises one
Determine stroke quantitative and add medicament；Now, magnetic valve one (511) is closed during dosing, and magnetic valve two (521) is opened；From medicament barrel
When aspirating medicament, magnetic valve two (521) is closed, and magnetic valve one (511) is opened；During suction, stepper motor (54) is agile fast
Speed；Ore pulp is together added in feeding pipe (23) with medicament, and ore pulp and medicine are cut by the branching block (232) in feeding pipe (23)
Agent stream realizes that mixed once stirs, dispersions；Feeding pipe (23) interior space is limited, in ore pulp import (101) endlessly
In the case of feeding ore pulp, it is spouting from the first discharging opening (231) with ore pulp once to cut mixed medicament, realizes secondary
Collisional mixing；There is gap between rotating cylinder (22) and feeding pipe (23), under the high speed rotation of rotating cylinder (22), by gap
Ore pulp, which is got rid of, to be injected in flotation cell (10), and realization is got rid of three times penetrates mixing；Negative inspiratory pressure is formed in gap simultaneously, from air intake duct (40)
Middle suction air, air stream enter in flotation cell (10) after disperseing from the second discharging opening (223) on rotating cylinder (22), now rotating cylinder
(22) air stream is cut and dispersed into fine by small second feeding mouth (223) opened up on equivalent to the effect of microvesicle generators
Bubble；The positive propeller runner (221) arranged on rotating cylinder (22) drives ore pulp to derotation impeller (222), and derotation impeller
(222) driving ore pulp is moved to positive propeller runner (221) place, and two strands of ore pulps are mutually collided with certain kinetic energy, sheared, mineralising, real
The effect of existing four mixings three-phase；In the horizontal direction, another rabbling mechanism two (202) of parallel arrangement is in rotating cylinder
(22) arranged for interval has positive propeller runner (221) and derotation impeller (222) in relative position, and mixed zone is so formed between impeller
Two (31), in addition, being mixed zone one (30) immediately below rabbling mechanism one (201) and rabbling mechanism two (202)；Concentrate adheres to
Risen in microbubble surface at liquid level, form stabilization has certain thickness froth bed, is gathered in concentrate enrichment region (15), quilt
Circulating foam scraping machine (11) is scraped to defoaming groove (12), and mine tailing is discharged from slurry outlet (102), while the through hole of cell body bottom
(17) connection pumping ore pulp is circulated flotation again.
Whole equipment, which can be realized, does not need ore pulp pre-processing device, realizes that mineralization degree is high from sizing mixing；With operating efficiency
Height, easily observe groove face foam situation；Foam thickness, realize that full groove face scrapes bubble；Reasonable dosing, save the effect of medicament.
This specification is only that the preferred embodiment of the present invention is described, and not the scope of the present invention is limited
Fixed, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art make to technical scheme
Various modifications and improvement, it all should fall into the protection domain of claims of the present invention determination.
Claims (5)
- The integral type floatation equipment 1. a kind of quantitative dosing reverse agitating function center is sized mixing, including at least flotation cell (10), its feature exists In：At least provided with a pair of rabbling mechanisms (20), i.e. rabbling mechanism one (201) and rabbling mechanism two in the flotation cell (10) (202), the rabbling mechanism one (201) is arranged with rabbling mechanism two (202) horizontal parallel；The rabbling mechanism one (201) Formed with rabbling mechanism two (202) by variable-frequency motor (21), rotating cylinder (22), feeding pipe (23)；The variable-frequency motor (21) is logical Cross shaft coupling (211) with drive shaft (212) to be connected, the drive shaft (212) is connected with rotating cylinder (22), rotating cylinder (22) both ends Bearing one (213) and bearing two (214) are installed, rotating cylinder (22) surface is provided with positive propeller runner (221) and derotation impeller (222), the positive propeller runner (221) and derotation impeller (222) interlaced arrangement；Offer and be uniformly distributed on the rotating cylinder (22) The second discharging opening (223) of cylinder, the rabbling mechanism one (201) are identical on rotating cylinder (22) surface with rabbling mechanism two (202) The positive propeller runner of interlaced arrangement (221) and derotation impeller (222) on position；Rotating cylinder (22) positioned inside has feeding pipe (23), The other end of the rotating cylinder (22) is provided with air intake duct (40), and the air intake duct (40) is arranged in rotating cylinder (22) and feeding pipe (23) Between gap port at, port sealing, the entrance top of the air intake duct (40) higher than the liquid level in flotation cell (10) and with Air is connected；The first discharging opening (231) is offered on the downside of the feeding pipe (23), is uniformly pacified on feeding pipe (23) inwall Be equipped with branching block (232), the branching block (232) is a cube of tetrahedron, the most long stringcourse of the branching block (232) with The ore pulp direction that becomes a mandarin is head-on positioned opposite；Ore pulp import (101) and slurry outlet should be also provided with the flotation cell (10) (102), the ore pulp import (101) is connected by flange (60) with feeding pipe (23)；It is provided with the ore pulp import (101) Quantitative remedy-adding system (50).
- The integral type floatation equipment 2. a kind of quantitative dosing reverse agitating function center according to claim 1 is sized mixing, its feature exist In：The quantitative remedy-adding system (50) is by medicament barrel (51), chemical feed pipe (52), rubber piston (53), stepper motor (54), PLC Control cabinet (55), electromagnetic flowmeter (56), circular nut (57) composition；The bottom of the medicament barrel (51) is connected by pipeline with chemical feed pipe (52) downside, the chemical feed pipe (52) and medicament barrel (51) connecting place is medicament entrance (512), and magnetic valve one (511) is provided with before the medicament entrance (512)；The chemical feed pipe (52) downside is provided with magnetic valve two (521), and it is medicament that it is internal, which to be arranged on ore pulp import (101), for the outlet of the chemical feed pipe (52) Export (522), the magnetic valve two (521) is arranged on the downside of chemical feed pipe (52) to the pipeline between agent outlet (522), institute State agent outlet (522) direction flowed to ore pulp it is identical；The chemical feed pipe (52) is made by colourless transparent resin glass, institute State and scale is carved with chemical feed pipe (52) outer wall, the positioned inside of the chemical feed pipe (52) has rubber piston (53), and the rubber is lived Plug (53) is connected with rack (531), and the rack (531) is brought into close contact with stepper motor (54) by gear (541) Together, the gear (541) is arranged on stepper motor (54).
- The integral type floatation equipment 3. a kind of quantitative dosing reverse agitating function center according to claim 2 is sized mixing, its feature exist In：The electromagnetic flowmeter (56) is placed in ore pulp import (101) place, and the electromagnetic flowmeter (56) is arranged in agent outlet (522) before, the electromagnetic flowmeter (56), stepper motor (54), magnetic valve one (511), magnetic valve two (521) pass through wire It is connected with PLC control cabinet (55)；The electromagnetic flowmeter (56), stepper motor (54), magnetic valve one (511), magnetic valve two (521) it is that the relation mutually to cooperate is realized by PLC control cabinet (55) between；The circular nut (57) is placed in dosing Manage the lower end of (52).
- The integral type floatation equipment 4. a kind of quantitative dosing reverse agitating function center according to claim 1 is sized mixing, its feature exist In：Circulating foam scraping machine (11) is additionally provided with the upside of the flotation cell (10), the circulating foam scraping machine (11) is by revolving Rotating shaft (111), flexible transport band (112), scraper plate (113) composition；The circulating foam scraping machine (11) is placed in flotation cell (10) Cell body top, for the circulating foam scraping machine (11) in transport banded structure, the flexible transport band (112) is in closed loop knot Structure, it is nested in rotary shaft (111), flexible transport band (112) outer surface is disposed with scraper plate (113), scraper plate (113) The direction of action of the vertical flexible transport band (112) of plate face.
- The integral type floatation equipment 5. a kind of quantitative dosing reverse agitating function center according to claim 4 is sized mixing, its feature exist In：Circulating foam scraping machine (11) side is provided with defoaming groove (12), and the defoaming groove (12) is placed in flotation cell (10) The both sides of body are connected with cell body outer wall, are concentrate enrichment region (15) below the circulating foam scraping machine (11)；It is the pair of First baffle (13) and second baffle (14), the first baffle (13) and second baffle are provided with the outside of rabbling mechanism (20) (14) in flotation cell (10), the first baffle (13) and second baffle (14) are arranged vertically, the first baffle (13) Weld together with second baffle (14) and cell body both sides inwall and top is less than the height of circulating foam scraping machine (11)；It is described The bottom of rabbling mechanism one (201) and rabbling mechanism two (202) is mixed zone one (30), and the rabbling mechanism one (201) is with stirring Mix between the positive propeller runner (221) of mechanism two (202) and derotation impeller (222) is mixed zone two (31)；The rabbling mechanism (20) arranged beneath has false bottom (16) and the through hole (17) below false bottom (16), the false bottom (16) and flotation cell (10) body Bottom is parallel, and the through hole (17) is circulated ore pulp by pumping and is connected through piping with ore pulp import (101).
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| CN107159050A (en) * | 2017-07-13 | 2017-09-15 | 山东建筑大学 | Automatic floatation additive adding apparatus |
| CN109499774B (en) * | 2018-11-06 | 2020-11-20 | 山东物华天宝矿业集团有限公司 | Nonferrous metal mine flotation process |
| CN109499778B (en) * | 2018-11-06 | 2020-11-20 | 山东物华天宝矿业集团有限公司 | Nonferrous metal mine flotation equipment |
| CN113502391A (en) * | 2021-07-09 | 2021-10-15 | 淮北市协力重型机器有限责任公司 | System for be used for leaching mineral substance |
| CN113720062B (en) * | 2021-07-22 | 2023-05-30 | 新龙建设工程集团有限公司 | Anti-slip ice ball cavity hole blocking equipment for mine flotation |
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