CN108906338A - Waterfall flotation unit - Google Patents
Waterfall flotation unit Download PDFInfo
- Publication number
- CN108906338A CN108906338A CN201810845785.0A CN201810845785A CN108906338A CN 108906338 A CN108906338 A CN 108906338A CN 201810845785 A CN201810845785 A CN 201810845785A CN 108906338 A CN108906338 A CN 108906338A
- Authority
- CN
- China
- Prior art keywords
- foam
- waterfall
- flotation
- trap
- mineral
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005188 flotation Methods 0.000 title claims abstract description 55
- 239000006260 foam Substances 0.000 claims abstract description 42
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 27
- 239000011707 mineral Substances 0.000 abstract description 27
- 238000000034 method Methods 0.000 abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000005273 aeration Methods 0.000 abstract description 3
- 238000010348 incorporation Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 8
- 238000004064 recycling Methods 0.000 description 7
- 238000007667 floating Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B03D1/02—Froth-flotation processes
-
- 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
- B03D1/1462—Discharge mechanisms for the froth
-
- 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
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses a kind of waterfall flotation units, the open channel including being equipped with multiple continuous steps, and foam trap is equipped in step, and the outlet of foam trap is delivered to next foam trap or special foam conveying open channel or pipeline.Foam trap is equipped with height adjustment device, and step is equipped with the downward gradient.Using the physics phenomenon of water flow aeration, cause to form the froth bed of mineral laden bubble in a large amount of air incorporation water flow, recycle valuable mineral by foam recovery device.It is applicable in conventional flotation process between different work；Also it can be used for conventional flotation to mine or the process of Tailings transportation.Treating capacity is big, invest and operating cost is low, recycles valuable mineral, improves metal comprehensive utilization ratio.
Description
Technical field
The present invention relates to a kind of mineral floating technology more particularly to a kind of waterfall flotation units.
Background technique
Ore dressing is to be allowed to dissociate each other by ore reduction, then, valuable mineral is enriched with and is separated, is abandoned useless
Gangue.According to different ore types and to the requirement of dressing product, different beneficiation methods, such as flotation are used in practice
Method, gravity separation method, magnetic method and electrical concentration, wherein floatation is most widely used, and flotation is according to mineral surfaces physicochemical properties
Difference, the science and technology of sorting mined material on airwater mist cooling interface.
As shown in Figure 1, distance of the ore pulp stream Jing Guo each operation is referred to as flotation stream in floatation process in conventional ore-dressing technique
Journey, dressing plant's conventional flotation process are usually made of several flotation devices or flotation column, and flotation flowsheet is that dressing plant is vital
One link directly affects the quality and recovering effect of concentrate product.
As shown in Fig. 2, United States Patent (USP) 276868 describes a kind of waterfall floatation process, ore pulp enters slot by mineral-feeding pipe 11
Body, volume inhale large quantity of air, and air-suction is similar to venturi vacuum noz(zle), and air enters after ore pulp and mineral grain collides mine
Change, in flotation concentrate foam overflow to foam tank, tailing is discharged by bottom.
The defect of the prior art：
Flotation device or flotation column require mating corresponding ancillary equipment, and device configuration is complex.Flotation device and flotation
There is power consumption in column operational process, and needs to regularly replace spare part.Flotation device and flotation column ratio of height to diameter are big, i.e., groove body is deep, mine
After composition granule mineralising, mineral laden bubble climb is long, therefore, occurred mineralising be adhered to bubble mineral grain easily occur it is de-
It falls；
The waterfall floatation process that United States Patent (USP) 276868 is introduced, since its structure is complicated, it is difficult to replace dressing plant's inner tube
Road and open channel play the purpose of pulp conveying.Its air-suction is mainly venturi mouth air-breathing, and therefore, venturi mouth gives mine flow velocity
Very big the enough air of inspiration need to could be rolled up, and foam liquid level is difficult to control, and in spoil reclaming operation, valuable mineral is contained in tailing
Few, foam volume is small, is difficult to be discharged by itself overflow.
Summary of the invention
The object of the present invention is to provide a kind of waterfall flotation units.
The purpose of the present invention is what is be achieved through the following technical solutions：
Waterfall flotation unit of the invention, the open channel including being equipped with multiple continuous steps, each step is interior to be equipped with a bubble
Foam collector or multiple steps are equipped with a foam trap, and the outlet of the foam trap is delivered to next foam and receives
Storage or special foam conveying open channel or foam pipeline road.
As seen from the above technical solution provided by the invention, waterfall flotation unit provided in an embodiment of the present invention, can
It is recycled suitable between different work in conventional flotation process, both having met the demand of pulp conveying, while using operating room height difference
Part valuable mineral, the characteristics such as the visual grade of the mineral of recycling and grade are back to corresponding operation；Also can be used for conventional flotation to
The process of mine or Tailings transportation recycles valuable mineral.Waterfall flotation has Low investment cost, corollary equipment few, electric without operation
The features such as consumption, skin floatation.
Detailed description of the invention
Fig. 1 is the process flow chart of conventional ore dressing in the prior art；
Fig. 2 is the schematic device of waterfall flotation in the prior art；
Fig. 3 is the schematic diagram that waterfall flotation unit is used for beneficiation flowsheet in the embodiment of the present invention.
Fig. 4 is the schematic illustration of waterfall flotation unit in the embodiment of the present invention.
Fig. 5 is the structural schematic diagram of waterfall flotation unit in the embodiment of the present invention.
In figure：1- foam trap, 2- step.
Specific embodiment
The embodiment of the present invention will be described in further detail below.What is be not described in detail in the embodiment of the present invention is interior
Appearance belongs to the prior art well known to professional and technical personnel in the field.
Waterfall flotation unit of the invention, preferable specific embodiment are：
Open channel including being equipped with multiple continuous steps, each step is interior to be set equipped with a foam trap or multiple steps
There is a foam trap, the outlet of the foam trap is delivered to next foam trap or the conveying of special foam is bright
Canal or foam pipeline road.
The foam trap is equipped with height adjustment device.
The height adjustment device includes spiro rod regulating device or pneumatic regulation unit or electric adjusting device.
The step is equipped with the downward gradient.
Waterfall flotation unit of the invention is a kind of method for floating of differentiated, is mentioned for the design configurations innovation in dressing plant
For scheme, the comprehensive utilization ratio of mineral resources is improved.
The method of waterfall flotation utilizes the physics phenomenon of water flow aeration, usually there is height in dressing plant between device configuration
Difference, fraction pulp stream can flow automatically, flow of slurry due to flow velocity is big, turbulence intensity is high or flow surface or overcurrent boundary mutation, can
It causes to cause regional area or overall region mixed with a large amount of air, air is with micro-bubble in a large amount of air incorporation water flow
Form exist.Micro-bubble and the mineral grain on flow of slurry surface layer collide mineralising, form the froth bed of mineral laden bubble, pass through bubble
Foam recyclable device recycles valuable mineral.
It present invention can be suitably applied in conventional flotation process between different work, waterfall flotation had both met the need of pulp conveying
It asks, while utilizing operating room height difference recovery section valuable mineral, the characteristics such as the visual grade of the mineral of recycling and grade are back to phase
Answer operation.Waterfall method for floating also can be used for conventional flotation to mine or the process of Tailings transportation, and the overflow such as cyclone is usual
It first flow to pump pond certainly, then conventional flotation process is delivered to by pump, cyclone and the height difference for pumping pond are very big, and keep flow of slurry flow velocity big,
In flow of slurry jet stream to pump pond, large quantity of air is swept along therewith, is formed minute bubbles in pump pond, is then collided mine with mineral grain
Change, forms the froth bed of mineral laden bubble；Waterfall flotation is used for Tailings transportation, and treating capacity is big, invest and operating cost is low, and recycling has
With mineral, metal comprehensive utilization ratio is improved.
Specific embodiment：
As shown in figure 3, figure 4 and figure 5, waterfall flotation unit is continuous step shape open channel, and the froth bed on flow of slurry surface layer is waterfall
The concentrate of cloth flotation, lower part flow of slurry are then the tailing of the operation.Foam trap is equipped in each step, it also can several steps
Shared to use a foam trap, the foam of foam trap recycling can be conveyed such as figure relay, can also flow to same open channel or
Pipeline transport.The height of foam trap opposing steps can lead on multiscrew or starting, electronic mode according to ore pulp amount to be lowered
It is whole, play the effect for scraping bubble.The quantity of height difference and step between different steps need to be depending on specifically used process conditions, Mei Getai
Rank need to have certain gradient, guarantee that flow of slurry is unobstructed.
Waterfall flotation is the flotation behavior that flow of slurry passes through that continuous step shape open channel occurs, and it is defeated which can reach ore pulp
The effect sent, and the recycling of the realization valuable mineral of energy Non-energy-consumption.
Waterfall flotation does not need mechanical stirring device and air charging system, and floatation process does not need power input, fills
Divide using the spontaneous progress of height difference water flow aeration, does not need the air input equipment and pipe-line system of mating complexity.
Waterfall flotation is different from conventional flotation device or flotation column mineralising mechanism, air and is swept along by water flow into ore pulp phase,
Bubble is distributed in liquid level surface layer more, and therefore, mineralised zones are concentrated mainly on liquid level surface region, and more conducively mineral laden bubble enters bubble
Foam layer, thus by effectively recycling.
Each step ladder of waterfall flotation arranges there is certain height difference, unpowered agitation device, water flow is using one by one
Jump stream occurs for step, conducive to being involved in for air.
Each step of waterfall flotation is selectively equipped with foam recovery device, and different foam recovery devices can connect
Power conveys foam, can also be delivered to open channel or pipeline respectively.Foam recovery device can also be passed through by screw rod up and down adjustment
Pneumatically or electrically flowing mode realizes its up and down adjustment.
Effect of the invention：
It present invention can be suitably applied in conventional flotation process between different work, waterfall flotation had both met the need of pulp conveying
It asks, while utilizing operating room height difference recovery section valuable mineral, the characteristics such as the visual grade of the mineral of recycling and grade are back to phase
Answer operation.Waterfall method for floating also can be used for conventional flotation to mine or the process of Tailings transportation, recycle valuable mineral.Waterfall is floating
Choosing have the characteristics that Low investment cost, corollary equipment it is few, without run power consumption, skin floatation.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (4)
1. a kind of waterfall flotation unit, which is characterized in that the open channel including being equipped with multiple continuous steps, each step is interior to be equipped with one
A foam trap or multiple steps are equipped with a foam trap, and the outlet of the foam trap is delivered to next bubble
Foam collector or special foam conveying open channel or foam pipeline road.
2. waterfall flotation unit according to claim 1, which is characterized in that the foam trap is filled equipped with height adjustment
It sets.
3. waterfall flotation unit according to claim 2, which is characterized in that the height adjustment device includes that screw rod is adjusted
Device or pneumatic regulation unit or electric adjusting device.
4. waterfall flotation unit according to claim 1,2 or 3, which is characterized in that the step is equipped with the downward gradient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810845785.0A CN108906338A (en) | 2018-07-27 | 2018-07-27 | Waterfall flotation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810845785.0A CN108906338A (en) | 2018-07-27 | 2018-07-27 | Waterfall flotation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108906338A true CN108906338A (en) | 2018-11-30 |
Family
ID=64417449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810845785.0A Pending CN108906338A (en) | 2018-07-27 | 2018-07-27 | Waterfall flotation unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108906338A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821663A (en) * | 2019-03-21 | 2019-05-31 | 陈刚刚 | A kind of unpowered ladder-like waterfall flotation technology |
| CN110328057A (en) * | 2019-07-29 | 2019-10-15 | 北京凯特破碎机有限公司 | A kind of foam collection device of floatation equipment |
| CN110508405A (en) * | 2019-09-29 | 2019-11-29 | 李志城 | A kind of chalcopyrite ore dressing multifeed clarifier |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX9604519A (en) * | 1996-10-02 | 1998-04-30 | Univ Autonoma De San Luis Poto | Method and cell for minerals flotation. |
| CN2526084Y (en) * | 2001-11-28 | 2002-12-18 | 李丹 | Wet-separating dry classifying device for float and sink flyash |
| EP2045017A1 (en) * | 2007-10-03 | 2009-04-08 | Andritz AG | Flotation device and method for removing impurities from an aqueous solid matter suspension |
| CN101554619A (en) * | 2009-05-15 | 2009-10-14 | 江西理工大学 | Simple unpowered flotation device |
| CN102179314A (en) * | 2011-05-24 | 2011-09-14 | 中国矿业大学 | Sorting device and method for aerating cyclonic micro-bubble flotation column |
| CN202265486U (en) * | 2011-10-16 | 2012-06-06 | 同济大学 | Waterdrop aeration-rapid infiltration combined system |
| CN103480503A (en) * | 2013-09-10 | 2014-01-01 | 中国矿业大学 | Settling cyclonic micro-bubble flotation column separation unit and method |
| CN104190527A (en) * | 2014-07-16 | 2014-12-10 | 江西稀有稀土金属钨业集团有限公司 | Selecting system and technology for sulfur-containing low-grade black tungsten concentrate or low-grade tin concentrate |
| BR102014031564A2 (en) * | 2014-12-17 | 2016-06-21 | André Henrique Gontijo Matos | tilt flotation process that reduces the effects of mechanical particle dragging |
| CN105689156A (en) * | 2016-04-20 | 2016-06-22 | 江西铜业股份有限公司 | Method for controlling and adjusting flotation cell surfaces |
| CN107930861A (en) * | 2017-11-07 | 2018-04-20 | 中国矿业大学(北京) | A kind of wide grade mineral floating device of adjustable flotation height |
| CN208810298U (en) * | 2018-07-27 | 2019-05-03 | 北矿机电科技有限责任公司 | Waterfall flotation unit |
-
2018
- 2018-07-27 CN CN201810845785.0A patent/CN108906338A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX9604519A (en) * | 1996-10-02 | 1998-04-30 | Univ Autonoma De San Luis Poto | Method and cell for minerals flotation. |
| CN2526084Y (en) * | 2001-11-28 | 2002-12-18 | 李丹 | Wet-separating dry classifying device for float and sink flyash |
| EP2045017A1 (en) * | 2007-10-03 | 2009-04-08 | Andritz AG | Flotation device and method for removing impurities from an aqueous solid matter suspension |
| CN101554619A (en) * | 2009-05-15 | 2009-10-14 | 江西理工大学 | Simple unpowered flotation device |
| CN102179314A (en) * | 2011-05-24 | 2011-09-14 | 中国矿业大学 | Sorting device and method for aerating cyclonic micro-bubble flotation column |
| CN202265486U (en) * | 2011-10-16 | 2012-06-06 | 同济大学 | Waterdrop aeration-rapid infiltration combined system |
| CN103480503A (en) * | 2013-09-10 | 2014-01-01 | 中国矿业大学 | Settling cyclonic micro-bubble flotation column separation unit and method |
| CN104190527A (en) * | 2014-07-16 | 2014-12-10 | 江西稀有稀土金属钨业集团有限公司 | Selecting system and technology for sulfur-containing low-grade black tungsten concentrate or low-grade tin concentrate |
| BR102014031564A2 (en) * | 2014-12-17 | 2016-06-21 | André Henrique Gontijo Matos | tilt flotation process that reduces the effects of mechanical particle dragging |
| CN105689156A (en) * | 2016-04-20 | 2016-06-22 | 江西铜业股份有限公司 | Method for controlling and adjusting flotation cell surfaces |
| CN107930861A (en) * | 2017-11-07 | 2018-04-20 | 中国矿业大学(北京) | A kind of wide grade mineral floating device of adjustable flotation height |
| CN208810298U (en) * | 2018-07-27 | 2019-05-03 | 北矿机电科技有限责任公司 | Waterfall flotation unit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821663A (en) * | 2019-03-21 | 2019-05-31 | 陈刚刚 | A kind of unpowered ladder-like waterfall flotation technology |
| CN110328057A (en) * | 2019-07-29 | 2019-10-15 | 北京凯特破碎机有限公司 | A kind of foam collection device of floatation equipment |
| CN110328057B (en) * | 2019-07-29 | 2024-04-23 | 北京凯特破碎机有限公司 | Foam collecting device of flotation equipment |
| CN110508405A (en) * | 2019-09-29 | 2019-11-29 | 李志城 | A kind of chalcopyrite ore dressing multifeed clarifier |
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