CN101502820A - Method for floatation of concentrate substance and mine tailing ash from mineral powder ash under 0.5mm - Google Patents

Method for floatation of concentrate substance and mine tailing ash from mineral powder ash under 0.5mm Download PDF

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Publication number
CN101502820A
CN101502820A CNA200810143075XA CN200810143075A CN101502820A CN 101502820 A CN101502820 A CN 101502820A CN A200810143075X A CNA200810143075X A CN A200810143075XA CN 200810143075 A CN200810143075 A CN 200810143075A CN 101502820 A CN101502820 A CN 101502820A
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concentrate
flotation
ash
mine tailing
ore pulp
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沈宗库
郭宇
徐梓毅
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HUNAN JUNYI SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
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HUNAN JUNYI SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

A method for flotation of ore concentrates and mine tailing dust in powdered ore dust with particle size less than 0.5mm comprises the steps of (1) sieving, specifically, directly sieving the impurities and particles with the particle size more than 0.5mm in the waste powdered ore dust by a sieve, and collecting the micro-fine powdered ore dust with the diameter not more than 0.5mm; (2) agitating, specifically, sending the micro-fine powdered ore dust with the diameter not more than 0.5mm that is collected after being sieved to an agitator, forming mixed ore slurry in an agitator drum; and (3) performing flotation and dewatering, specifically, sending the agitated mixed ore slurry to a flotation column, separating to obtain ore concentrate particles, processing by a thickener, and then entering an ore concentrate tank; and synchronously, automatically flowing the mine tailing dust to a mine tailing tank. The invention has the advantages of simple technology, high efficiency and low running cost, and is environment-friendly and suitable for high automation.

Description

0.5mm the method for flotation concentrate material and mine tailing ash in the following breeze ash
Technical field
The present invention is mainly concerned with breeze ash process field, refers in particular to the method for flotation concentrate material and mine tailing ash in the following breeze ash of a kind of 0.5mm.
Background technology
Along with the develop rapidly of Chinese national economy, people's environmental consciousness is more and more stronger, and energy-saving and emission-reduction work is more and more important.Under the increasingly serious background of global energy and environmental protection situation, how can be in enormous quantities from coal-burning power plant's discarded object (flyash), the high efficiency flotation is also extracted (carbon) cleaned coal, act as a fuel and raw material utilize again, and can also be from various 0, floatingly select the concentrate material in 5MM and following (fine) breeze ash, make the mine tailing ash of residue (separating automatically) be applied in the raw material and the mine backfill of building materials manufacture field widely simultaneously and construction project field such as build the road, make and discard the energy sources that the billions of ton discarded objects marine in the lake, deserted mountain become preciousness, become the technical problem of being badly in need of solution.Domestic general breeze ash method for floating: a kind of is firing method, this way energy consumption height, and the integrated cost height, it is not very desirable not only causing business efficiency, and the caloric value of the smart material in ore deposit that extract is reduced, the volatilization powder increases; Another kind is an electrical concentration, and this way requires limitation bigger to grey source, and is that dry ash is handled, and environmental protection efficacy is poor, and energy consumption is high equally, does not therefore put into production in a large number as yet.
Summary of the invention
The technical problem to be solved in the present invention just is: the method for flotation concentrate material and mine tailing ash in the following breeze ash of 0.5mm that at the technical problem that prior art exists, the invention provides that a kind of technology is simple, efficient, environmental protection, operating cost expense are low, is fit to the high automation degree.
For solving the problems of the technologies described above, the solution that the present invention proposes is: the method for flotation concentrate material and mine tailing ash in the following breeze ash of a kind of 0.5mm is characterized in that step is:
(1) screening: by screening plant with in the discarded breeze ash+impurity and particle more than the 0.5mm granularity directly screen, and with diameter be-0.5mm granularity and following fine breeze ash collection;
(2) stirring: the diameter of collecting after will sieve is-0.5mm granularity and following fine breeze ash send in the agitating device, characteristic according to breeze is added medicament, breeze ash and the medicament utilization power that impulses of adding are stirred fully, in mixing drum, form and mix the sludge slurry;
(3) flotation, dehydration: the mixing sludge slurry that will obtain after will stirring is sent in the flotation column, makes slurries layering rotation in flotation column, and mineralising fully gasifies; Make high-precision mineral matter constantly penetrate flotation and isolate the Chongqing plate, directly in the pulp distributer at flotation column top repeatedly sub-elect concentrate material the ore pulp, separate to deviate from entering concentrate hopper after concentrate material grain is handled through thickener again, the mine tailing ash flows in the tail-box automatically simultaneously.
The concrete steps of described step (3) are:
1. roughly select: mix the sludge slurry is directly finished flotation column in the ore pulp sorter of the top of flotation column feed, inflation, mineralising, a series of rougher process foam, automatically inflate by external air pump, ore pulp is roughly selected with the abundant mineralising of liquid medicine under the effect of aerodynamic force, the concentrate material of bubble upper strata emersion directly sub-elects the ore pulp 50% concentrate material in the pulp distributer at flotation column top, in pulp distributer, directly concentrate simultaneously, concentrate the residual air that produces and handle, directly send in the concentrate stock tank through plasma discharge jet magnetic valve from the flotation column top;
2. for the first time selected and for the second time selected: as will remaining ore pulp to isolate the Chongqing plate and be dispensed to automatically respectively in the mineralizer in the Coal Flotation Column Process according to the density-concentration at ore pulp mixing night by flotation, make its air self-suction by external air pump pressurization, under flotation column body swirl-flow devices constantly rotates, make ore pulp fully mineralising and gasification in selected and tail choosing layer, under the effect of eddy flow, produce a large amount of bubbles, thereby make hydrophobic thin mineral matter attached on the bubble surface, along with bubble rises to the ore pulp surface, penetrate flotation isolation Chongqing plate and send in the pulp distributer at flotation column top; The part concentrate thing of choosing for the first time, after in pulp distributer, concentrating, directly send in the concentrate stock tank by plasma discharge jet magnetic valve, the electromagnetism jet motor-driven valve (pump) that carries in the flotation column is extracted remaining ore pulp material out, a part is isolated the Chongqing plate by flotation and is dropped in for the second time selected mineralizer under the effect of the gentle pump pressure of eddy flow; It is for the second time selected with dressing process is identical for the first time, the part concentrate thing of choosing once more, after in pulp distributer, concentrating, directly sent in the concentrate stock tank by plasma discharge jet magnetic valve, another part starts in the top ore pulp sorter that circulating pump is transported to flotation column once more and the ore pulp dosing bulk flotation once more that newly enters by the jet magnetic valve;
3. scan for the first time and scan for the second time: the ore pulp through twice after selected penetrates flotation isolates the Chongqing plate and sinks to the flotation column bottom, the technology of scanning is with selected identical, the part concentrate thing of scanning out for the first time then, after in pulp distributer, concentrating, directly send in the concentrate stock tank by plasma discharge jet magnetic valve; The part concentrate thing of scanning out for the second time after concentrating in pulp distributer, is directly sent in the concentrate stock tank by plasma discharge jet magnetic valve;
4. separate the mine tailing ash automatically: to last remaining other hydrophilies of flotation, high-ash mineral matter mine tailing slurry flows in the tail-box through dark awl hang plate automatically;
5. dehydration: the slurries in the concentrate stock tank directly draw dried concentrate material through processed, are transported to concentrate and stack the field; Mine tailing ash in the tail-box draws dried mine tailing ash through after the processed, is transported to the mine tailing ash and stacks the field; After extracting concentrate material and mine tailing ash, unnecessary waste water outflow advances circulating water pool, continues recycling after treatment.
Compared with prior art, advantage of the present invention just is:
1, production technology of the present invention is simplified, the automaticity height, and resource can effectively be utilized;
2, the present invention's concentrate material that ore pulp is floatingly selected from flotation column directly carried out concentration before separating, make the absorptivity height of concentrate slurry, and technology is obviously simplified, small investment;
3, the present invention adopts the electronic jet magnetic valve of plasma discharge (to replace the slag stock pump,) concentrate slurry (grain) that floatingly selects is delivered directly in the concentrate hopper: not only power consumption is little, and (the rotating force of the air pressure outside plasma discharge of getting excited easy to maintenance, plugging can not take place, the assurance system carries unimpeded continuity), the operating cost expense is low, more environmental protection (can not cause the concentrate slurry drip and contaminated environment);
4, the present invention can adopt the PLC system directly to start the slag stock pump and drive pressure worry dewaterer: the liquid level control meter in the concentrate hopper (directly transmit signal and start the slag stock pump automatically to the PLC electric control system by (being adjusted automatically according to different materials by PLC), concentrate slurry is delivered directly to pressure considers dewaterer, concentrate is separated automatically with water (overflow).Equally, the liquid level control meter in the tail-box directly transmits signal and starts the slag stock pump automatically for PLC, the mine tailing slurry is pressed consider dewaterer, and the mine tailing mortar is separated automatically with water (overflow).Automated operation, maintenance and more convenient operation.
Description of drawings
Fig. 1 is a technological process schematic representation intention of the present invention;
Fig. 2 is the schematic flow sheet of floatation process of the present invention;
Fig. 3 is the schematic diagram of the concrete application example of the present invention.
The specific embodiment
As depicted in figs. 1 and 2, the method for flotation concentrate material and mine tailing ash the steps include: in the following breeze ash of a kind of 0.5mm of the present invention
(1) screening: by screening plant with in the discarded breeze ash+impurity and particle more than the 0.5mm granularity directly screen, and is that 0.5mm granularity and following fine breeze ash are collected with diameter;
(2) stirring: the diameter of collecting after will sieve is-0.5mm granularity and following fine breeze ash send in the agitating device, characteristic according to breeze is added medicament, breeze ash and the medicament utilization power that impulses of adding are stirred fully, in mixing drum, form and mix the sludge slurry;
(3) flotation, dehydration: the mixing sludge slurry that will obtain after will stirring is sent in the flotation column, makes slurries layering rotation in flotation column, and mineralising fully gasifies; Make high-precision mineral matter constantly penetrate flotation and isolate the Chongqing plate, directly in the pulp distributer at flotation column top repeatedly sub-elect concentrate material the ore pulp, separate to deviate from entering concentrate hopper after concentrate material grain is handled through thickener again, the mine tailing ash flows in the tail-box automatically simultaneously.
The concrete steps of above-mentioned steps (3) are:
1. roughly select: mix the sludge slurry is directly finished flotation column in the ore pulp sorter of the top of flotation column feed, inflation, mineralising, a series of rougher process foam, automatically inflate by external air pump, ore pulp is roughly selected with the abundant mineralising of liquid medicine under the effect of aerodynamic force, the concentrate material of bubble upper strata emersion directly sub-elects the ore pulp 50% concentrate material in the pulp distributer at flotation column top, in pulp distributer, directly concentrate simultaneously, concentrate the residual air that produces and handle, directly send in the concentrate stock tank through plasma discharge jet magnetic valve from the flotation column top;
2. for the first time selected and for the second time selected: as will remaining ore pulp to isolate the Chongqing plate and be dispensed to automatically respectively in the mineralizer in the Coal Flotation Column Process according to the density-concentration at ore pulp mixing night by flotation, make its air self-suction by external air pump pressurization, under flotation column body swirl-flow devices constantly rotates, make ore pulp fully mineralising and gasification in selected and tail choosing layer, under the effect of eddy flow, produce a large amount of bubbles, thereby make hydrophobic thin mineral matter attached on the bubble surface, along with bubble rises to the ore pulp surface, penetrate flotation isolation Chongqing plate and send in the pulp distributer at flotation column top; The part concentrate thing of choosing for the first time, after in pulp distributer, concentrating, directly send in the concentrate stock tank by plasma discharge jet magnetic valve, the electromagnetism jet motor-driven valve (pump) that carries in the flotation column is extracted remaining ore pulp material out, a part is isolated the Chongqing plate by flotation and is dropped in for the second time selected mineralizer under the effect of the gentle pump pressure of eddy flow; It is for the second time selected with dressing process is identical for the first time, the part concentrate thing of choosing once more, after in pulp distributer, concentrating, directly sent in the concentrate stock tank by plasma discharge jet magnetic valve, another part starts in the top ore pulp sorter that circulating pump is transported to flotation column once more and the ore pulp dosing bulk flotation once more that newly enters by the jet magnetic valve;
3. scan for the first time and scan for the second time: the ore pulp through twice after selected penetrates flotation isolates the Chongqing plate and sinks to the flotation column bottom, the technology of scanning is with selected identical, the part concentrate thing of scanning out for the first time then, after in pulp distributer, concentrating, directly send in the concentrate stock tank by plasma discharge jet magnetic valve; The part concentrate thing of scanning out for the second time after concentrating in pulp distributer, is directly sent in the concentrate stock tank by plasma discharge jet magnetic valve;
4, separate the mine tailing ash automatically: to last remaining other hydrophilies of flotation, high-ash mineral matter mine tailing slurry flows in the tail-box through dark awl hang plate automatically;
5. dehydration: the slurries in the concentrate stock tank directly draw dried concentrate material through processed, are transported to concentrate and stack the field; Mine tailing ash in the tail-box draws dried mine tailing ash through after the processed, is transported to the mine tailing ash and stacks the field; After extracting concentrate material and mine tailing ash, unnecessary waste water outflow advances circulating water pool, continues recycling after treatment.
With a concrete application example the present invention is described in further details below, in the present embodiment, in order to embody the production needs that process of the present invention can adapt to the high automation degree, to adopt PLC that whole flow process is controlled, and each process flow steps be transferred to corresponding control module finish.
1. screening module: by forming with conveying mechanism screen drum that directly laterally is connected and the loading head of collecting fine breeze ash;
Technological process:------------(laterally) is transported to screen drum 2 to belt conveyor to stack " the breeze ash " gathered with excavator from former ash, design reciprocating sieve: can be fabricated to the two vibrating motors of sitting posture or hanging as required and drive, under the synergy of vibration force and material ultromotivity, mineral material on the compass screen surface is made spasmodic motion, thereby reaches the purpose of sub-sieve------with in the breeze ash+impurity more than the 0.5MM granularity directly screens out (separation) with particle; Diameter is collected for the loading head 2-1 that-0.5MM granularity and following (fine) breeze ash enter LT-K type band funnel, tiltedly fall the material in the screen drum storage bin in transport establishment's (belt) continuously uniformly, guarantee that the screen drum diameter that gets off is-0.5MM granularity and following (fine) breeze ash loading head centralized collection, utilization in full force and effect more meets environmental protection requirement)------is transported to special-purpose stirring module by conveying mechanism direct (laterally) again;
Realization of automatic control: PLC control and the limit switch contact that is connected belt conveyor make fed distance accurate; The inclination angle support electromagnetic valve of reciprocating sieve is carried out PLC (with Men Feimen) and is commented automatic control to open and close through the electronics metering, make diameter be-0.5MM granularity and following (fine) breeze ash enter LT-K type (band funnel) loading head 2-1 and collect, start 2 belt conveyors of PLC control by the gravity pressure of material, make the material after the screening enter whipping procedure control.
2, stir module: to forming, laterally connect by conveying mechanism by mixing drum and chemicals dosing plant;
Technological process: (1) with diameter for-0.5MM granularity and following (fine) breeze ash by conveying mechanism [800 type feeding belt] through storage bin [being commonly called as hopper] lateral transfer to vertical box board-like LT-GZG type vibrations batcher [popular title feeding hopper], can strengthen material even, quantitative, continuous feed from storage bin (hopper) to bulk, graininess, powder and enter mixing drum 3.Vertical, horizontal and LZF of installing put and inaccessible vertically (can be designed to the source that impulses that power source and vibroseis are combined as a whole with the serial vibration motor of horizontal interlock in (pan feeding concentration is 50-150g/L) (2) mixing drum, armature spindle two ends at vibration motor are respectively installed the one group of eccentric block that can regulate, the centrifugal force that utilizes axle and eccentric block to rotate generation at a high speed obtains the power of impulsing), above mixing drum, vertically connect special automatic medicine adding apparatus 4, thereby the medicament utilization power that impulses of material and interpolation is stirred fully, in mixing drum, form and mix the sludge slurry.(combined amount 200-300m3/h)
Realization of automatic control: the PLC module by special use is connected as a single entity feeding hopper, mixing drum and automatic medicine adding apparatus, centralized operation, and the PLC programme-control is (by limit switch, night bit switch, the mercury contact magnetic valve is formed), the automaticity height, easy and simple to handle, easy to maintenance.
3, flotation concentrates module: and laterally connect by (acidproof) delivery pump between the stirring module, by the energy-efficient flotation column of novel hydraulic type air self-suction (machine) of special use and external inflator pump (outfit bubble generator) to forming, the concentrate material is separated automatically with ore deposit tail ash, lateral transfer is in the concentrate hopper of special use after efficient deep cone thickener concentration for the concentrate material, and mine tailing ash (slag slurry) flows in the tail-box automatically through dark awl hang plate.
Technical process: calx mixes slurry is delivered to the LT-XSZFX energy-efficient flotation column of novel hydraulic type air self-suction (machine) 6 in the flotation module through (acidproof screw rod) delivery pump 5 feeding mouth, simultaneously with from going out bubble to the bubble generator 7 interaction benefits that are connected, sorting (is roughly selected earlier through the dual-jet flotation column, selected again, after scan), separate to deviate from entering concentrate hopper after concentrate material grain is handled through efficient deep cone thickener 9 again, mine tailing ash (slag slurry) flows in the tail-box automatically through dark awl hang plate.Operation principle: adopted " the molten mineralising of high gas " technology of advanced self-priming electronic jet magnetic valve to combine in this technical process with " eddy flow " device in the flotation column, make slurries layering rotation in flotation column, mineralising fully gasifies, make high-precision mineral matter (grain) constantly penetrate flotation and isolate the Chongqing plate, directly in the pulp distributer at flotation column top repeatedly sub-elect concentrate (grain) material the ore pulp, in pulp distributer, concentrate, constantly directly send in the concentrate stock tank through plasma discharge jet magnetic valve.Effective, the selectivity height is applicable to that fully the flotation diameter is the concentrate material in-0.5MM granularity and following (fine) breeze ash.
Technical process and control automatically:
1, roughly select: the mixed ore pulp after dosing is stirred is by an acidproof delivery pump (claiming charging pump P=75KW again) charging, in the ore pulp sorter of the top of flotation column, directly finish the feed of flotation column, inflation, mineralising, a series of rougher process such as foaming), automatically inflate by external air pump, ore pulp is roughly selected with the abundant mineralising of liquid medicine under the effect of aerodynamic force, the concentrate material (grain) of bubble upper strata emersion directly sub-elects the ore pulp 50% concentrate (grain) material in the pulp distributer B at flotation column top, directly concentrated in pulp distributer simultaneously (concentrating the residual air that produces gets rid of from the bucket 7 of giving vent to anger at flotation column { machine } top) processing is directly sent in the concentrate stock tank through plasma discharge jet magnetic valve.
2, (1 time, 2 times) selected: remaining ore pulp is isolated the Chongqing plate according to (the selected C in the ore pulp mixing automatic respectively nephew of the distribution Coal Flotation Column Process of density-concentration at night by flotation, D and scan E, F) in the mineralizer, make its air self-suction by external air pump pressurization, under flotation column body swirl-flow devices constantly rotates, make ore pulp fully mineralising and gasification in selected and tail choosing layer.Under the effect of eddy flow, produce a large amount of bubbles, thereby make hydrophobic thin mineral matter (grain) attached on the bubble surface, along with bubble rising nephew ore pulp surface, penetrate flotation isolation Chongqing plate and send in the pulp distributer at flotation column top:
Choose the part concentrate thing (grain) of (content is 20%) for 1 time, after in pulp distributer, concentrating, directly send in the concentrate stock tank by plasma discharge jet magnetic valve.At this moment, control meter in oil position at night sends signal to PLC, start the electromagnetism jet motor-driven valve (pump) that carries in the flotation column and extract remaining ore pulp material out, a part is isolated the Chongqing plate by flotation and is dropped in 2 selected mineralizers under the effect of the gentle pump pressure of eddy flow (this moment, air pressure was adjusted into 1.5 times of 1 selected pressure automatically by PLC).
Carry out 2 times selected (its technological principle is selected with 1 time) and choose the part concentrate thing (grain) of (content is 10%) once more, after in pulp distributer, concentrating, directly send in the concentrate stock tank by plasma discharge jet magnetic valve.Another part starts in the top ore pulp sorter that circulating pump is transported to flotation column once more and the ore pulp dosing bulk flotation once more that newly enters by the jet magnetic valve.Can carry out 2 times or repeatedly selected 1 time according to different breeze ash materials.
3, (1 time, 2 times) to scan: the ore pulp through 2 times after selected penetrates flotation isolates the Chongqing plate and sinks to the flotation column bottom, automatically regulate air pump pressure nephew 2 time selected 2 times by PLC this moment, in order to improve the flotation precision, the mine tailing slurry is scanned, scan device in its bottom design, its principle and technology and selected identical, then scan out the part concentrate thing (grain) of (content is 10%) for 1 time, after in pulp distributer, concentrating, directly send in the concentrate stock tank by plasma discharge jet magnetic valve; Scan out the part concentrate thing (grain) of (content is 5-7%) for 2 times, after in pulp distributer, concentrating, directly send in the concentrate stock tank by plasma discharge jet magnetic valve;
4, separate mine tailing ash (slag) automatically: to last remaining other hydrophilies of flotation, high-ash mineral matter mine tailing slurry (slag) flows in the tail-box automatically through dark awl hang plate.
Through roughly selecting; 1 time selected 2 times selected or can also carry out repeatedly selected as required; Scan for 1 time/scan or can also repeatedly scan as required for 2 times, improved the flotation precision of breeze ash, thereby high ash content product and low ash content product (mine tailings have been realized, ore-bearing rate is 3%---between 5%) thorough separation, really accomplish to make its performance more perfect, extensively [diameter separates with mine tailing (ash) for the concentrate material that floatingly selects in-0.5mm granularity and following (fine) fine ore ash practicality automatically in not only can be used for.But also can be widely used in big, in, the coal slime of small-sized coal preparation plant reclaims and industry such as graphite chemical industry], have efficient, energy-conservation, invest little, instant effect, long service life, flotation speed is fast, disposal ability is big, easy maintenance, the automaticity advantages of higher,
Adopt external ore pulp qi of chong channel ascending adversely system: inflation usefulness height, adjustable range wide (air pressure of qi of chong channel ascending adversely pump is adjusted according to different materials automatically by PLC) drives the electronic jet electromagnetic valve door (replacing slag slurry jet pump) in the electric contact startup flotation column, the concentrate slurry that floatingly selects is concentrated in pulp distributer, directly send in the concentrate stock tank; Position control meter at night (being adjusted automatically according to different materials by PLC) cuts out magnetic valve automatically, makes 1 time, and the concentrate slurry that 2 times or repeatedly selected (or scanning floating) are come up concentrates once more, is transported in the concentrate hopper.Thereby the flotation concentrate resource is fully utilized, and flotation speed is fast, and power consumption is little, is convenient to safeguard and change.
4, dehydration module: form by the centrifugal pressure of special vertical scraper discharging Chongqing dewater unit.
Technology and control automatically: warp concentrates 9 concentrate (grain) thing slurry and the mine tailing ashes of separating in concentrate hopper (slag slurry) in the stern notch of ore deposit and sends signal to the PLC system by liquid level control meter from flotation device, start conveying mechanism (slag stock pump) by PLC and enter the dehydration module, processed through dehydration module 8 directly draws dried concentrate material again, is transported to concentrate through belt and stacks the field; Mine tailing ash (slag slurry) is by drawing dried mine tailing ash through dehydration module 8 again behind the 8-1 that degass.Be transported to the mine tailing ash through belt and stack the field.After extracting concentrate material and mine tailing ash, unnecessary waste water outflow advances circulating water pool, continues recycling after treatment.

Claims (5)

1, the method for flotation concentrate material and mine tailing ash in the following breeze ash of a kind of 0.5mm is characterized in that step is:
(1) screening: by screening plant with in the discarded breeze ash+impurity and particle more than the 0.5mm granularity directly screen, and with diameter be-0.5mm granularity and following fine breeze ash collection;
(2) stirring: the diameter of collecting after will sieve is-0.5mm granularity and following fine breeze ash send in the agitating device, characteristic according to breeze is added medicament, breeze ash and the medicament utilization power that impulses of adding are stirred fully, in mixing drum, form and mix the sludge slurry;
(3) flotation, dehydration: the mixing sludge slurry that will obtain after will stirring is sent in the flotation column, makes slurries layering rotation in flotation column, and mineralising fully gasifies; Make high-precision mineral matter constantly penetrate flotation and isolate the Chongqing plate, directly in the pulp distributer at flotation column top repeatedly sub-elect concentrate material the ore pulp, separate to deviate from entering concentrate hopper after concentrate material grain is handled through thickener again, the mine tailing ash flows in the tail-box automatically simultaneously.
2, the method for flotation concentrate material and mine tailing ash in the following breeze ash of 0.5mm according to claim 1 is characterized in that the concrete steps of described step (3) are:
1. roughly select: mix the sludge slurry is directly finished flotation column in the ore pulp sorter of the top of flotation column feed, inflation, mineralising, a series of rougher process foam, automatically inflate by external air pump, ore pulp is roughly selected with the abundant mineralising of liquid medicine under the effect of aerodynamic force, the concentrate material of bubble upper strata emersion directly sub-elects the ore pulp 50% concentrate material in the pulp distributer at flotation column top, in pulp distributer, directly concentrate simultaneously, concentrate the residual air that produces and handle, directly send in the concentrate stock tank through plasma discharge jet magnetic valve from the flotation column top;
2. for the first time selected and for the second time selected: as will remaining ore pulp to isolate the Chongqing plate and be dispensed to automatically respectively in the mineralizer in the Coal Flotation Column Process according to the density-concentration at ore pulp mixing night by flotation, make its air self-suction by external air pump pressurization, under flotation column body swirl-flow devices constantly rotates, make ore pulp fully mineralising and gasification in selected and tail choosing layer, under the effect of eddy flow, produce a large amount of bubbles, thereby make hydrophobic thin mineral matter attached on the bubble surface, along with bubble rises to the ore pulp surface, penetrate flotation isolation Chongqing plate and send in the pulp distributer at flotation column top; The part concentrate thing of choosing for the first time, after in pulp distributer, concentrating, directly send in the concentrate stock tank by plasma discharge jet magnetic valve, the electromagnetism jet motor-driven valve (pump) that carries in the flotation column is extracted remaining ore pulp material out, a part is isolated the Chongqing plate by flotation and is dropped in for the second time selected mineralizer under the effect of the gentle pump pressure of eddy flow; It is for the second time selected with dressing process is identical for the first time, the part concentrate thing of choosing once more, after in pulp distributer, concentrating, directly sent in the concentrate stock tank by plasma discharge jet magnetic valve, another part starts in the top ore pulp sorter that circulating pump is transported to flotation column once more and the ore pulp dosing bulk flotation once more that newly enters by the jet magnetic valve;
3. scan for the first time and scan for the second time: the ore pulp through twice after selected penetrates flotation isolates the Chongqing plate and sinks to the flotation column bottom, the technology of scanning is with selected identical, the part concentrate thing of scanning out for the first time then, after in pulp distributer, concentrating, directly send in the concentrate stock tank by plasma discharge jet magnetic valve; The part concentrate thing of scanning out for the second time after concentrating in pulp distributer, is directly sent in the concentrate stock tank by plasma discharge jet magnetic valve;
4. separate the mine tailing ash automatically: to last remaining other hydrophilies of flotation, high-ash mineral matter mine tailing slurry flows in the tail-box through dark awl hang plate automatically;
5. dehydration: the slurries in the concentrate stock tank directly draw dried concentrate material through processed, are transported to concentrate and stack the field; Mine tailing ash in the tail-box draws dried mine tailing ash through after the processed, is transported to the mine tailing ash and stacks the field; After extracting concentrate material and mine tailing ash, unnecessary waste water outflow advances circulating water pool, continues recycling after treatment.
CNA200810143075XA 2008-10-09 2008-10-09 Method for floatation of concentrate substance and mine tailing ash from mineral powder ash under 0.5mm Pending CN101502820A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101870896A (en) * 2009-08-11 2010-10-27 章新喜 Recovery method of carbon in slag from gasifying furnace
CN102357428A (en) * 2011-10-27 2012-02-22 唐山国华科技国际工程有限公司 Novel floatation process capable of ensuring upper limit of fed material granularity and improving dehydration effect of foam product
CN102927288A (en) * 2012-10-26 2013-02-13 栾川龙宇钼业有限公司 Column type equipment ore slurry pneumatic control valve
CN108144737A (en) * 2018-02-02 2018-06-12 珲春紫金矿业有限公司 Mineral pulp level is promoted and vibration deslagging device before a kind of flotation

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101870896A (en) * 2009-08-11 2010-10-27 章新喜 Recovery method of carbon in slag from gasifying furnace
CN101870896B (en) * 2009-08-11 2015-04-01 章新喜 Recovery method of carbon in slag from gasifying furnace
CN102357428A (en) * 2011-10-27 2012-02-22 唐山国华科技国际工程有限公司 Novel floatation process capable of ensuring upper limit of fed material granularity and improving dehydration effect of foam product
CN102927288A (en) * 2012-10-26 2013-02-13 栾川龙宇钼业有限公司 Column type equipment ore slurry pneumatic control valve
CN102927288B (en) * 2012-10-26 2014-06-18 栾川龙宇钼业有限公司 Column type equipment ore slurry pneumatic control valve
CN108144737A (en) * 2018-02-02 2018-06-12 珲春紫金矿业有限公司 Mineral pulp level is promoted and vibration deslagging device before a kind of flotation
CN108144737B (en) * 2018-02-02 2023-10-20 珲春紫金矿业有限公司 Pulp liquid level promotes and vibration dross removal mechanism before flotation

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