CN206688909U - A kind of self-adapting type flotation defoaming device - Google Patents

A kind of self-adapting type flotation defoaming device Download PDF

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Publication number
CN206688909U
CN206688909U CN201720245084.4U CN201720245084U CN206688909U CN 206688909 U CN206688909 U CN 206688909U CN 201720245084 U CN201720245084 U CN 201720245084U CN 206688909 U CN206688909 U CN 206688909U
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Prior art keywords
foam
ultrasonic wave
supersonic generator
flotation
pressure
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Expired - Fee Related
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CN201720245084.4U
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Chinese (zh)
Inventor
黄余
曹沁波
罗斌
程金华
文书明
张汉平
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Abstract

The utility model discloses a kind of self-adapting type flotation defoaming device, including controller, foam tank, detector, the system that sprays water with high pressure and ultrasonic wave defoaming system.Device described in the utility model be able to can just be obtained without using defoamer it is pollution-free, can continuously work, efficient debubbling method, solve simultaneously because mineral are reclaimed using the flotation of the collecting agent such as amine and caused by flotation froth amount is big, problem sticky, that the difficult control of foam such as be not easy to flow, ensure solve the problems, such as the difficult control of foam in flotation flowsheet operation, make the smooth progress of flow, improve flotation effect, mineral resources is comprehensively utilized.

Description

A kind of self-adapting type flotation defoaming device
Technical field
A kind of self-adapting type flotation defoaming device is the utility model is related to, belongs to mineral processing equipment field.
Background technology
Flotation is feed separation method most-often used in Mineral Processing Engineering, metalliferous mineral, nonmetallic mineral and It is widely used in the processing of other resources, tool is sorted for what other beneficiation methods were difficult to the particulate that reclaims and superfine grade mineral There is great advantage.Floatation equipment mainly includes flotation device and foam tank etc., flotation Minerals by be attached on foam with it is other Minerals separation, is the carrier of mineral enrichment, flotation froth scrape, circulate and control in time be flotation key, target minreal Enrichment and defoaming of the circulation all with foam in flotation of ore pulp have important relationship.
Current flotation foam defoaming method is set respectively at the open cell body both ends of the similar rectangular shape of simple designs There is water pipe to defoam and ore discharge.The flotation of most ores defoams no special requirement to foam, because most of mineral is floating Industry is elected to be, froth bed is easily adjusted and controlled, and foam is easily broken to form ore pulp, and floatation process is easily controlled and completes flotation work Skill task.But typically resulted in during using amine as collecting agent flotation froth amount is huge, froth bed is abundant, foam is sticky, elasticity is good, Poor fluidity so that the elimination of foam is extremely difficult, is not enough to solve these by the common debubbling method rinsed with running water Problem so that these foams are rested in foam tank and can not quickly eliminated due to being difficult to vanish, and generally cause the circulation of ore pulp Failure, production procedure can not promote.Using the example of the sulfidization-amine method flotation of zinc oxide ore as reference, its flotation effect is pretty good, But because amine collector is highly prone to the influence of sludge, flotation froth amount is all easily produced in various experiments or production process Greatly, it is sticky, elastic big, the problem of being not easy to flow so that being difficult to vanish, make due to foam in the link of each generation foam Working condition becomes unmanageable or even stopped production.Due to foam can not be eliminated well, when treating capacity is little, in industrial production Rate of recovery index it is also very undesirable because foam in foam tank can not timely processing so that flotation froth can not be from foam Timely and effective discharge in groove, make to be accumulated completely by foam in flotation cell, the ore particle on bubble comes off because of overlong time returns to groove In, cause the rate of recovery to reduce.Therefore substantial amounts of zinc oxide ore resource can not also recycle well, waste significantly limited Mineral resources, also because using amine in the flotation removal process of andalusite mine, magnesite, smithsonite, microfine ore etc. Collecting agent and cause the problem of same.
The method often rinsed for the removal of foam of usual foam with running water, flotation oxygen is being reclaimed in face of amine collector When changing the ore deposits such as zinc, andalusite, the punching of conventional running water can not make foam rupture elimination in time, cause foam to depart from foam tank, Workshop floats everywhere, can not normally produce.Another kind using the removal of foam method of various chemical agents is made in foam tank With substantial amounts of defoamer, because defoamer can not quickly eliminate foam, it is difficult to realize defoaming and continuous flotation operation, and volume in time Outer addition defoamer causes financial cost to increase severely while influences flotation pulp property and flotation effect, while can also cause environment dirty Dye.
For this technical barrier of the processing of difficult control flotation froth, the tackling key problem research of decades is carried out both at home and abroad, so far All without the good progress of acquirement.Therefore, for the flotation operation of big, sticky, poor fluidity the difficult foam control foam of foam volume, use A kind of advanced efficient new defoaming device and method are necessary.
Utility model content
In view of the deficienciess of the prior art, the utility model provides a kind of self-adapting type flotation defoaming device, solves amine The problem of the difficult control of foam, ensures that flotation flowsheet is made caused by foam volume is big during the collecting agent floatable minerals such as class, sticky, mobility is small Industry can smoothly complete, and improve sorting index, realize highly-efficient processing and the comprehensive utilization of mineral resources.
The utility model is achieved through the following technical solutions:
A kind of self-adapting type flotation defoaming device, including more than 7, four controller 6, foam tank detectors 8, spray water with high pressure System and ultrasonic wave defoaming system;
The system that sprays water with high pressure includes water inlet pipe 1, high-pressure hydraulic pump 2, magnetic valve 3, high-pressure water pipe 4, spray water with high pressure system frame 9th, High-Pressure Water shower nozzle 10 and wash tub pipe 12;Water inlet pipe 1 is connected by high-pressure hydraulic pump 2 with high-pressure water pipe 4, and magnetic valve 3 is set In high-pressure water pipe 4;High-pressure water pipe 4 is provided with more than one High-Pressure Water shower nozzle 10 and more than one wash tub pipe 12, The top of foam tank 7 is placed in by the system frame 9 that sprays water with high pressure;
Ultrasonic wave defoaming system includes ultrasonic wave adjuster 5 and more than one supersonic generator 13;Supersonic generator 13 are arranged in foam tank 7 by waterproof wiring mouth 14, and ultrasonic wave adjuster 5 is connected simultaneously with supersonic generator 13 by wire Carry out signal transmission;
Preferably, ultrasonic wave defoaming system also includes supersonic generator fixed support 11, and supersonic generator 13 passes through After supersonic generator fixed support 11 is fixed as an entirety, then in foam tank 7;
Preferably, supersonic generator 13 is installed in a manner of layering or top-bottom cross;
Preferably, supersonic generator 13 is ambient radiation formula supersonic generator;
Detector 8 is uniformly arranged on surrounding in foam tank 7, is connected by wire with controller 6 and carries out signal transmission;Control Device 6 processed is connected by wire with high-pressure hydraulic pump 2, magnetic valve 3, ultrasonic wave adjuster 5 and carries out signal transmission.
The controller 6 is conventional equipment, has reception, correction data signal, and automatically control it according to comparing result Its equipment is opened and closed and the function of working condition.
The course of work:Before use, foam height value is preset by controller 6;In use, detector 8 in foam tank 7 to steeping Foam is highly detected, and by the data transfer measured to controller 6, controller 6 is by data compared with preset value;When what is measured When depth of foam is more than preset value, controller 6 controls supersonic generator 13 to start working by ultrasonic wave adjuster 5, produces Ultrasonic wave is defoamed, while opens solenoid valve 3, and high-pressure hydraulic pump 2 is started working, and water is pumped into high-pressure water pipe 4, passes through height Pressure water jets 10 spray high-velocity flow and defoamed, while wash tub pipe 12 sprays current and makes the ore pulp after bubble collapse timely Discharged from foam tank 7, prevent from being deposited in groove;If the depth of foam measured continues to increase, controller 6 is adjusted by ultrasonic wave Device 5 increases the power and the flow and irrigation pressure of frequency and the system that sprays water with high pressure of supersonic generator 13, if the foam measured Thickness reduces, and controller 6 reduces the power and frequency and the system that sprays water with high pressure of supersonic generator 13 by ultrasonic wave adjuster 5 Flow and irrigation pressure;Until when the depth of foam measured is less than preset value, controller 6 makes to surpass by ultrasonic wave adjuster 5 Sonic generator 13 is stopped, and simultaneously closes off magnetic valve 3, and high-pressure hydraulic pump 2 is stopped.
Controller 6 can also exist according to the distance of multiple detectors 8 in foam tank 7 according to trial test measure The parameters such as the speed defoamed under some specific power and frequency calculate current foam volume and by current ultrasonic wave power and frequency The foam time that rate calculates, calculates the frequency of ultrasonic wave needed for next controlling cycle and power and foam time.
Can adjust the frequency of ultrasonic wave and power for foam of different nature makes the effect of ultrasonic disruption foam most It is good.
Principle:Ultrasonic wave caused by supersonic generator has relatively high power and adjustable, when ultrasonic wave and foam contacting, The ore particle and various molecules adhered on foam also can vibration at high speed, while make the liquid particle on foam and ore particle thereon therewith There is huge acceleration, much larger than acceleration of gravity.Under this acceleration effect, the ore particle on bubble can be desorbed, make bubble by Relatively stable three-phase state is changed into more unstable two-phase state and is easy to rupture;Liquid particle on bubble also can be transported acutely Dynamic, acceleration volatilization makes bubbles burst.Ultrasonic wave has acoustic pressure effect, and when ultrasonic wave enters bubble, air is because of acoustic vibration in bubble And compressed or expanded, the huge energy of ultrasonic wave can be such that bubble is acted on by very big acoustic pressure, in the ultrasonic wave of some strength The lower pressure that can produce 0.3~1.0Mpa of effect.Bubble only has atmospheric pressure under normal circumstances, and bubble is made in the vibration of ultrasonic wave Under, bubble can be compressed and increased dramatically in bubble pressure and promote bubbles burst;It can also make bubble surface molecule sparse simultaneously Pressure suffered by bubble is set to be less than atmospheric pressure and swelling fracture.High-velocity flow caused by high-pressure water pipe can also make bubble quilt simultaneously Penetrate and rupture, while caused ore pulp is washed open and prevents from producing bubble again after steam bubble is ruptured.
The utility model has the advantages that compared with prior art:
1st, ultrasonic wave can efficiently and rapidly make lather collapse;
2nd, it is combined using ultrasonic wave defoaming and High-Pressure Water defoaming, improves the validity of bubble collapse, improves defoaming effect Rate, reduce the water consumption in floatation process;
3rd, Self Adaptive Control defoaming process, to select optimal defoaming condition;
4th, without using chemical defoamer, make flotation pulp avoid being influenceed by defoamer, avoid environmental pollution, without logical Cross and establish foam cell defoaming reduction defoaming cost, the ore pulp after defoaming is readily delivered;
5th, the high pressure that uses at present, big flow, the debubbling method of single nozzle, are extremely not suitable with that foam volume is big, sticky, mobility The processing of the small difficult foam control foam of grade, not only needs substantial amounts of water, defoaming effect poor, and foam rise, in flotation workshop everywhere Disorderly fly, stopping production bubble is will have to when serious, causes great economic loss;The utility model is particularly suitable for flotation froth amount Greatly, sticky, the difficult foam control foam such as mobility is small processing, can also ensure the difficult control of the foams such as sulfidization-amine method Flotation of Zinc Oxide ore deposit Whole flotation flowsheet smoothly completes, it is possible to increase sorting index, while there is adaptable excellent of using water wisely, equipment Point.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
In figure:1- water inlet pipes, 2- high-pressure hydraulic pumps, 3- magnetic valves, 4- high-pressure water pipes, 5- ultrasonic wave adjusters, 6- controllers, 7- foam tanks, 8- detectors, 9- spray water with high pressure system frame, 10- High-Pressure Water shower nozzles, 11- supersonic generator fixed supports, 12- wash tub pipes, 13- supersonic generators, 14- waterproof wiring mouths.
Embodiment
The utility model is elaborated with reference to the accompanying drawings and examples, but the scope of protection of the utility model is not It is limited to the content.
Embodiment 1
As shown in figure 1, a kind of self-adapting type flotation defoaming device, including controller 6,7, four detectors 8 of foam tank, height Press water injection system and ultrasonic wave defoaming system;
The system that sprays water with high pressure includes water inlet pipe 1, high-pressure hydraulic pump 2, magnetic valve 3, high-pressure water pipe 4, spray water with high pressure system frame 9th, High-Pressure Water shower nozzle 10 and wash tub pipe 12;Water inlet pipe 1 is connected by high-pressure hydraulic pump 2 with high-pressure water pipe 4, and magnetic valve 3 is set In high-pressure water pipe 4;High-pressure water pipe 4 is provided with ten High-Pressure Water shower nozzles 10 and a wash tub pipe 12, by spraying water with high pressure System frame 9 is placed in the top of foam tank 7;
Ultrasonic wave defoaming system includes ultrasonic wave adjuster 5 and three supersonic generators 13;Supersonic generator 13 is logical Cross waterproof wiring mouth 14 to be arranged in foam tank 7 in a manner of top-bottom cross, ultrasonic wave adjuster 5 is logical with supersonic generator 13 Wire is crossed to connect and carry out signal transmission;
Detector 8 is uniformly arranged on surrounding in foam tank 7, is connected by wire with controller 6 and carries out signal transmission;Control Device 6 processed is connected by wire with high-pressure hydraulic pump 2, magnetic valve 3, ultrasonic wave adjuster 5 and carries out signal transmission.
The present embodiment described device is applied to smithsonite sulfidization-amine method flotation foam defoaming:Raw ore contains zinc 3.2%, oxidation Rate 86.7%, by the smithsonite pulp conveying after ore grinding not by desliming into agitator, pulp density is adjusted to 20~ 30% mass concentration.Addition 4~8kg/t of vulcanized sodium sizes mixing after adjusting pH to 8~10 according to experimental condition, then adds octadecylamine 400~1000g/t of collecting agent acts on smithsonite, by the pulp conveying for making to make good use of into flotation device, addition terpinol foaming agent 5 ~20g/t carries out flotation.Smithsonite after vulcanization is attached on bubble with hydrophobicity enhancing after octadecylamine effect, is floated and is formed essence Ore deposit foam.These foam volumes are big, it is sticky, be not easy to flow, be difficult to crush, influence flotation and carry out in order, it is necessary to defoaming treatment.It incite somebody to action this Utility model is compared with the water impact method of routine.After the flotation froth for obtaining same volume, one kind is direct using current Ballistic method, another kind then use the present embodiment described device.Pass through the rate of recovery and residue of concentrate after more identical foam time Foam volume compare both defoaming effects.The working frequency of ultrasonic wave is 50KHz, operating power 150W in experiment.
The foundation that controller parameter is set is used as by 20L of foam volume.Foam volume is set to be no more than on controller 6 3L, open equipment, equipment automatic running.Detector 8 is by detecting and sending data to controller 6.Controller 6 passes through detection The data of device 8 calculate in foam tank 7 foam volume and compared with the lower limits of setting.It is more than due to measuring foam volume in groove 3L, controller 6 starts ultrasonic wave adjuster 5 and the system that sprays water with high pressure, ultrasonic wave adjuster 5 start supersonic generator 13, surpasses Sonic generator 13 and the system starts that spray water with high pressure.Bubble collapse starts, and foam volume starts to reduce, and detector 8 is real-time Detect the real-time volume that the depth of foam in foam tank 7 calculates foam in groove by controller 6.When the foam volume for calculating gained During less than 3L, controller 6 controls ultrasonic wave adjuster 5 that supersonic generator 13 is closed, ultrasonic wave adjuster 5 with spray water with high pressure System is also controlled by closing.Complete defoaming task.Flotation results are shown in Table 1.
The flotation results of 1 embodiment of table 1 contrast
By data above, the present embodiment described device defoaming effect is better than the defoaming skill of original water impact Art, there is the concentrate rate of recovery of higher defoaming effectiveness and Geng Gao, while employ ultrasonic wave, for water dosage well below The dosage of water impact defoaming, suitable for the flotation of water-deficient area.Simultaneously because it can adaptively automate height, adaptability By force.
Embodiment 2
As shown in figure 1, a kind of self-adapting type flotation defoaming device, including controller 6,7, four detectors 8 of foam tank, height Press water injection system and ultrasonic wave defoaming system;
The system that sprays water with high pressure includes water inlet pipe 1, high-pressure hydraulic pump 2, magnetic valve 3, high-pressure water pipe 4, spray water with high pressure system frame 9th, High-Pressure Water shower nozzle 10 and wash tub pipe 12;Water inlet pipe 1 is connected by high-pressure hydraulic pump 2 with high-pressure water pipe 4, and magnetic valve 3 is set In high-pressure water pipe 4;High-pressure water pipe 4 is provided with 15 High-Pressure Water shower nozzles 10 and three wash tub pipes 12, passes through high pressure spray Water system support 9 is placed in the top of foam tank 7;
Ultrasonic wave defoaming system includes 5, five supersonic generators 13 of ultrasonic wave adjuster and supersonic generator is fixed Support 11;After supersonic generator 13 is fixed as an entirety in a hierarchical fashion by supersonic generator fixed support 11, It is arranged on again by screw in foam tank 7;Ultrasonic wave adjuster 5 is connected by wire with supersonic generator 13 and carries out signal Transmission;Supersonic generator 13 is ambient radiation formula supersonic generator;
Detector 8 is uniformly arranged on surrounding in foam tank 7, is connected by wire with controller 6 and carries out signal transmission;Control Device 6 processed is connected by wire with high-pressure hydraulic pump 2, magnetic valve 3, ultrasonic wave adjuster 5 and carries out signal transmission.
The present embodiment described device is applied to andalusite amine method flotation foam defoaming:By after ore grinding not by desliming Andalusite ore pulp is transported in agitator, and pulp density is adjusted to 25~35% mass concentration.Adjusted according to experimental condition PH, then add lauryl amine collecting agent and acted on andalusite, the pulp conveying for making to make good use of is subjected to flotation into flotation device.After sizing mixing The effect of andalusite ore pulp and lauryl amine after hydrophobicity enhancing be attached on bubble, floating forms concentrate foam.These foam volumes Greatly, it is sticky, be not easy to flow, be difficult to crush, influence flotation in order carry out, it is necessary to defoaming treatment.By this technology and utilize defoamer Defoaming is compared.After the flotation froth for obtaining same volume, one kind is ejected into concentrate foam using defoaming agent solution, is another Kind then uses the present embodiment described device.Pass through the rate of recovery and remaining foam volume ratio of concentrate after more identical foam time Compared with both defoaming effects.This defoamer for comparing use is defoamer CM.The working frequency of ultrasonic wave is in experiment 50KHz, operating power 150W.
The foundation that controller parameter is set is used as by 20L of foam volume.Foam volume is set to be no more than on controller 6 3L, open equipment, equipment automatic running.Detector 8 is by detecting and sending data to controller 6.Controller 6 passes through detection The data of device 8 calculate in foam tank 7 foam volume and compared with the lower limits of setting.It is more than due to measuring foam volume in groove 3L, controller 6 starts ultrasonic wave adjuster 5 and the system that sprays water with high pressure, ultrasonic wave adjuster 5 start supersonic generator 13, surpasses Sonic generator 13 and the system starts that spray water with high pressure.Bubble collapse starts, and foam volume starts to reduce, and detector 8 is real-time Detect the real-time volume that the depth of foam in foam tank 7 calculates foam in groove by controller 6.When the foam volume for calculating gained During less than 3L, controller 6 controls ultrasonic wave adjuster 5 that supersonic generator 13 is closed, ultrasonic wave adjuster 5 with spray water with high pressure System is also controlled by closing.Complete defoaming task.Flotation results are shown in Table 2.
The flotation results of 2 embodiment of table 2 contrast
By data above, the present embodiment described device defoaming effect is better than the defoaming skill by adding defoamer Art, there is the concentrate rate of recovery of higher defoaming effectiveness and Geng Gao, while employ ultrasonic wave, can be not adding defoamer with regard to energy Good effect is enough obtained, favorably has subsequent technique not influenceed by defoamer, is advantageous to environmental protection.Have simultaneously adaptively, Strong adaptability.
Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality With new thought, in place of having change in specific implementation method and application, this specification content should not be construed as pair Limitation of the present utility model.

Claims (5)

1. a kind of self-adapting type flotation defoaming device, including controller(6), foam tank(7), more than four detectors(8), high pressure Water injection system and ultrasonic wave defoaming system;
The system that sprays water with high pressure includes water inlet pipe(1), high-pressure hydraulic pump(2), magnetic valve(3), high-pressure water pipe(4), spray water with high pressure system Support(9), High-Pressure Water shower nozzle(10)And wash tub pipe(12);Water inlet pipe(1)Pass through high-pressure hydraulic pump(2)With high-pressure water pipe(4) Connection, magnetic valve(3)It is arranged on high-pressure water pipe(4)On;High-pressure water pipe(4)It is provided with more than one High-Pressure Water shower nozzle(10) With more than one wash tub pipe(12), pass through the system frame that sprays water with high pressure(9)It is placed in foam tank(7)Top;
Ultrasonic wave defoaming system includes ultrasonic wave adjuster(5)With more than one supersonic generator(13);Supersonic generator (13)Installed in foam tank(7)It is interior, ultrasonic wave adjuster(5)With supersonic generator(13)Connected by wire and carry out signal Transmission;
Detector(8)It is uniformly arranged on foam tank(7)Interior surrounding, passes through wire and controller(6)Connect and carry out signal transmission; Controller(6)With high-pressure hydraulic pump(2), magnetic valve(3), ultrasonic wave adjuster(5)Connected by wire, and carry out signal transmission.
2. self-adapting type flotation defoaming device according to claim 1, it is characterised in that supersonic generator(13)Pass through Waterproof wiring mouth(14)Installed in foam tank(7)It is interior.
3. self-adapting type flotation defoaming device according to claim 1, it is characterised in that ultrasonic wave defoaming system also includes Supersonic generator fixed support(11), supersonic generator(13)Pass through supersonic generator fixed support(11)It is fixed as one After individual entirety, then installed in foam tank(7)It is interior.
4. the self-adapting type flotation defoaming device according to claims 1 to 3 any one, it is characterised in that ultrasonic wave is sent out Raw device(13)Installed in a manner of layering or top-bottom cross.
5. self-adapting type flotation defoaming device according to claim 1, it is characterised in that supersonic generator(13)It is week Side radiant type supersonic generator.
CN201720245084.4U 2017-03-14 2017-03-14 A kind of self-adapting type flotation defoaming device Expired - Fee Related CN206688909U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106861924A (en) * 2017-03-14 2017-06-20 昆明理工大学 A kind of self-adapting type flotation defoaming device
CN109909071A (en) * 2019-03-05 2019-06-21 西部矿业股份有限公司 A kind of low-grade difficulty of high shale content selects the beneficiation method of copper-nickel sulfide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106861924A (en) * 2017-03-14 2017-06-20 昆明理工大学 A kind of self-adapting type flotation defoaming device
CN109909071A (en) * 2019-03-05 2019-06-21 西部矿业股份有限公司 A kind of low-grade difficulty of high shale content selects the beneficiation method of copper-nickel sulfide

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