CN107138290A - Flotation device bottom ore pulp orientation dual-cycle plant - Google Patents
Flotation device bottom ore pulp orientation dual-cycle plant Download PDFInfo
- Publication number
- CN107138290A CN107138290A CN201710502211.9A CN201710502211A CN107138290A CN 107138290 A CN107138290 A CN 107138290A CN 201710502211 A CN201710502211 A CN 201710502211A CN 107138290 A CN107138290 A CN 107138290A
- Authority
- CN
- China
- Prior art keywords
- flotation device
- ore pulp
- circulating
- circulating barrel
- openings
- 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 67
- 230000004087 circulation Effects 0.000 claims description 21
- 210000005056 cell body Anatomy 0.000 abstract description 9
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 230000001839 systemic circulation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000020347 spindle assembly Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding 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
- B03D1/14—Flotation machines
- B03D1/1493—Flotation machines with means for establishing a specified flow pattern
-
- 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
-
- 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)
- Paper (AREA)
Abstract
Dual-cycle plant is oriented the invention discloses a kind of flotation device bottom ore pulp, including:Circulating barrel and false bottom, wherein, the circulating barrel is along the circumferential direction to offer some first openings on the cylinder of upper and lower opening, the cylinder of the circulating barrel bottom;Some second openings, radial direction interlaced arrangement of some second openings along the false bottom are offered on the false bottom.By along the circumferential direction offering some first openings on the cylinder of the bottom of circulating barrel, and in some second openings of the radial direction interlaced arrangement along false bottom so that ore pulp is a part of to cell body upper flow after impeller is thrown away;A part is circulated to cell body bottom, and fraction pulp forms the systemic circulation of ore pulp by false bottom, and fraction pulp directly can form partial circulating by circulating barrel opening, and the bidirectional circulating of ore pulp is formed in flotation device bottom.Therefore, the EGR can strengthen circulating for flotation device bottom, reduce the too small dead zone area of the flow rate of pulp on false bottom top.
Description
Technical field
The present invention relates to floatation equipment field, more particularly to a kind of flotation device bottom ore pulp orientation dual-cycle plant.
Background technology
Flotation device is the key equipment for realizing mineral floating, and non-ferrous metal 90%, ferrous metal 50% all uses flotation skill
Art, flotation device is topmost support.Flotation device it is main by transmission device, bearing body, crossbeam, foam pushing device, main shaft, impeller,
Stator and cell body composition.The impeller of flotation device has the effect of agitation cycle ore pulp, dispersion air.The bottom ore pulp of flotation device by
Impeller area can be inhaled into the pump-absorb action of impeller to throw out again, thus, ore pulp circulation can be formed at flotation device bottom.But for leaf
, it is necessary to which the guide shell of guide effect and false bottom are played in the ore pulp flowing designed to flotation device bottom when taking turns higher from cell body bottom,
The input energy more efficient use of impeller, the enhancing of ore pulp bottom cycle, so as to ensure that mineral grain can repeatedly enter impeller
Area and bubble hit mineralising.
Common flotation device is pumped out due to the stirring of impeller, ore pulp from impeller periphery, and negative pressure is formed in impeller area.Promote ore deposit
Slurry is consequently formed the ore pulp circulation of flotation device bottom from false bottoming cycle passage and circulating barrel intake impeller area.Flotation device bottom is followed
Ring is scattered to bubble, particle suspends the bottom of from, bubble and particles collision and mineralising all have a major impact.The circulating barrel of common flotation device
For the cylindrical tube of one section of upper and lower opening, pipe side wall does not have perforate, and the bottom ore pulp flowing of flotation device is only followed by false bottom
Ring.In the production process of ore dressing plant, it is possible that flow is unstable or gives the change of ore deposit process conditions, now easily there is flotation
Machine ore in sand form deep gouge, causes the false bottom of flotation device to be blocked by ore in sand form, bottom ore pulp can not be pumped to impeller by false bottom, circulating barrel
Area participates in circulation, has a strong impact on flotation device hydrodynamics environment, causes sand setting particle persistent accumulation, deteriorates flotation effect, right
The economic benefit in ore dressing plant brings about great losses.
Current Chinese utility model patent (U of CN 203470169) discloses a kind of scheme at the false bottom of flotation device pump type, its
In, false bottom is the internal snail-shaped pump with impeller and outlet, and impeller penetrates the false bottom of axle fixation, the bottom of snail-shaped pump
Provided with suction inlet.The rotation of flotation device main shaft can drive the impeller of snail-shaped pump, fraction pulp is sucked from bottom land, and by pump
Outlet discharge is delivered to the pulp-inlet pipe of next flotation device.Emphasize the false bottom of this pump type by strengthening the turbulent flow of bottom in the patent
Intensity, reduces flotation device bottom dead, promotes the unimpeded of flow.But, in the program, due to bottom snail-shaped pump impeller by
The electric machine with energy of flotation device, adds the power consumption of flotation device.Flotation device is under the swabbing action that impeller is stirred, in circulating barrel
Ore pulp flow up, however, the stirring of impeller of pump mainly make the region ore pulp formation circumferencial direction jet.Therefore, float
Select the effect of machine impeller and impeller of pump to ore pulp to interfere, the waste of input energy and the disorder of Base Flow can be caused.
The content of the invention
Based on the problems of prior art, followed it is an object of the invention to provide a kind of flotation device bottom ore pulp orientation pair
Loop device, can strengthen the ore pulp circulation of flotation device bottom orientation, reduce dead band, be conducive to flotation device band ore deposit tankful to start.
The purpose of the present invention is achieved through the following technical solutions:
Embodiment of the present invention provides a kind of flotation device bottom ore pulp orientation dual-cycle plant, including:Circulating barrel and false bottom,
Wherein, the circulating barrel is along the circumferential direction to offer some first on the cylinder of upper and lower opening, the cylinder of the circulating barrel bottom
Opening;
Offer some second openings on the false bottom, radial direction of some second openings along the false bottom interlocks cloth
Put.
As seen from the above technical solution provided by the invention, flotation device provided in an embodiment of the present invention is oriented with ore pulp
Dual-cycle plant, its advantage is:
By along the circumferential direction offering some first openings on the cylinder of the bottom of circulating barrel, and along false bottom
Radial direction interlaced arrangement some second openings so that ore pulp is after impeller is thrown away, and a part is to cell body upper flow;
A part is circulated to cell body bottom, and fraction pulp forms the systemic circulation of ore pulp by false bottom, and fraction pulp can be directly by following
Ring cylinder opening formation partial circulating, the bidirectional circulating of ore pulp is formed in flotation device bottom.Therefore, the EGR can strengthen flotation
Circulating for machine bottom, reduces the too small dead zone area of the flow rate of pulp on false bottom top.It is additionally, since the bottom of circulating barrel
Some first openings are along the circumferential direction offered on cylinder, if flotation device vacation bottom is blocked by ore in sand form, ore pulp can be through following
First opening of ring cylinder bottom participates in the ore pulp flowing in circulation, enhancing circulating barrel, is conducive to the dredging of false bottom passage.Separately
Outside, due to being provided with the first opening on circulating barrel lower sides, the area of the first opening is much smaller than the mistake of false bottoming cycle passage
Flow area.Because the suction capactity of impeller is certain, also it is to determine by the mineral slurry flux in impeller area, reduction ore pulp circulation
Area of passage can increase rate of circulating flow, promote sand setting to participate in ore pulp circulation, it is convenient to accelerate to open false bottom circulation canal.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the schematic diagram that flotation device bottom provided in an embodiment of the present invention ore pulp orients dual-cycle plant;
Fig. 2 is the top view at the false bottom of orientation dual-cycle plant provided in an embodiment of the present invention;
Fig. 3 is a kind of schematic diagram of circulating barrel of orientation dual-cycle plant provided in an embodiment of the present invention;
Fig. 4 is the schematic diagram of another circulating barrel of orientation dual-cycle plant provided in an embodiment of the present invention;
Fig. 5 is impeller insertion depth and flotation device circulation ability graph of a relation.
Embodiment
With reference to the particular content of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched
State, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made,
Belong to protection scope of the present invention.
As shown in figure 1, the embodiment of the present invention provides a kind of flotation device bottom ore pulp orientation dual-cycle plant, it is a kind of flotation
It is used for the EGR of ore pulp water conservancy diversion in machine, including:Circulating barrel 1 and false bottom 2, wherein, the circulating barrel 1 is the cylinder of upper and lower opening
Some first openings 11 are along the circumferential direction offered on body, the cylinder of the circulating barrel bottom;
Some second openings 21 are offered on the false bottom 2, radial direction of some second openings along the false bottom is handed over
Mistake arrangement is (referring to Fig. 2).
As shown in Figure 3,4, in above-mentioned orientation dual-cycle plant, circulating barrel 1 is cylindrical drum or cone cylinder.
As shown in figure 1, in above-mentioned orientation dual-cycle plant, circulating barrel is located at flotation machine impeller bottom, the flotation device
Impeller 3 inserts certain depth in the circulating barrel 1.Specifically, the depth value that inserts in the circulating barrel of the impeller of flotation device by
Circulation ability needed for flotation device is determined (referring to Fig. 5 impeller insertion depth value and the relation of the circulation ability needed for flotation device
Curve).
The characteristics of EGR of the present invention, is the Two-way Cycle passage for promoting flotation device bottom to form ore pulp.The device is main
Including circulating barrel and false bottom, false bottom is fixed on false bottom support plate by welding or bolted mode, and circulating barrel is fixed on
On false bottom, a part in impeller insertion circulating barrel.False bottom is provided with opening, and opening is reduced along radial direction interlaced arrangement
The scope in false bottom upper area dead band, ore pulp can be stirred by passage between false underflow through hole and false bottom and cell body wall into impeller
Mix area.Circulating barrel is the cylindrical drum or cone cylinder of upper and lower opening, the circumferentially disposed opening of sidewall bottom.The operation of flotation device
During, an ore pulp part in bottom enters impeller area by the circulation canal at false bottom and forms ore pulp circulation, can also be by circulating barrel
Bottom opening enters impeller area and forms circulation.
This EGR, can make the bidirectional circulating of flotation motor spindle formation ore pulp, and ore pulp is after impeller is thrown away, a part
To cell body upper flow;A part is circulated to cell body bottom, and fraction pulp forms the systemic circulation of ore pulp, part by false bottom
Ore pulp directly can form partial circulating by circulating barrel opening.Therefore, the device can strengthen circulating for flotation device bottom, reduce
The too small dead zone area of the flow rate of pulp on false bottom top.
Flotation device stops during ore deposit ore drawing, can not generally be emptied completely ore in sand form, and ore in sand form can be to a certain degree in flotation motor spindle
Deposition.When flotation device mine-supplying quantity is unstable or occurs running the abnormal conditions such as thick, easily there is deep gouge, i.e. flotation device bottom in flotation device
Portion's sand setting thickness is excessive, and false bottom is blocked, and bottom ore pulp can not be circulated.If flotation device vacation bottom is blocked by ore in sand form, ore pulp
Opening participation that can be through circulating barrel bottom is circulated, the ore pulp flowing in enhancing circulating barrel, is conducive to the dredging of false bottom passage.
When hang-up occurs in flotation device band ore deposit production, ore in sand form can be settled down to flotation motor spindle, in such cases, if ore deposit
Slurry emptying, it may appear that huge waste, if not emptying ore in sand form, easily the false bottom circulation canal of appearance is blocked and caused again
It is difficult to form bottom ore pulp circulation during start, so as to influence production target.The device due to being provided with opening on the wall of circulating barrel side,
The area of opening is much smaller than the area of passage of false bottoming cycle passage.Because the suction capactity of impeller is certain, pass through impeller
What the mineral slurry flux in area was also to determine, the area of passage of reduction ore pulp circulation can increase rate of circulating flow, promote sand setting to participate in ore pulp
Circulation, accelerates to open false bottom circulation canal.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (4)
1. a kind of flotation device bottom ore pulp orients dual-cycle plant, it is characterised in that including:Circulating barrel and false bottom, wherein, it is described
Circulating barrel is along the circumferential direction to offer some first openings on the cylinder of upper and lower opening, the cylinder of the circulating barrel bottom;
Some second openings, radial direction interlaced arrangement of some second openings along the false bottom are offered on the false bottom.
2. flotation device bottom according to claim 1 ore pulp orients dual-cycle plant, it is characterised in that the circulating barrel is
Cylindrical drum or cone cylinder.
3. flotation device bottom according to claim 1 or 2 ore pulp orients dual-cycle plant, it is characterised in that the circulation
Cylinder is located at flotation machine impeller bottom, and the impeller of the flotation device inserts certain depth in the circulating barrel.
4. flotation device bottom according to claim 3 ore pulp orients dual-cycle plant, it is characterised in that the flotation device
The depth value that impeller is inserted in the circulating barrel is determined as the circulation ability needed for flotation device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710502211.9A CN107138290A (en) | 2017-06-27 | 2017-06-27 | Flotation device bottom ore pulp orientation dual-cycle plant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710502211.9A CN107138290A (en) | 2017-06-27 | 2017-06-27 | Flotation device bottom ore pulp orientation dual-cycle plant |
Publications (1)
Publication Number | Publication Date |
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CN107138290A true CN107138290A (en) | 2017-09-08 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710502211.9A Pending CN107138290A (en) | 2017-06-27 | 2017-06-27 | Flotation device bottom ore pulp orientation dual-cycle plant |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117302279A (en) * | 2023-11-30 | 2023-12-29 | 新乡市鼎盛散热器有限公司 | Bidirectional multichannel heat abstractor of railcar |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB503016A (en) * | 1937-09-24 | 1939-03-24 | Stanley Tucker | Improvements in or relating to agitation and aeration apparatus |
GB838302A (en) * | 1957-02-15 | 1960-06-22 | Willoughby Whatnall Potter | Improvements in or relating to froth flotation |
CN87103290A (en) * | 1987-05-06 | 1988-11-23 | 北京矿冶研究总院 | Flotation machine for ore dressing |
CN202238332U (en) * | 2011-09-28 | 2012-05-30 | 长沙有色冶金设计研究院有限公司 | Flotation assembly |
CN103586139A (en) * | 2013-11-11 | 2014-02-19 | 黑龙江宏宇电站设备有限公司 | Flotation machine and flotation method |
WO2015114505A1 (en) * | 2014-01-28 | 2015-08-06 | Flsmidth A/S | Wear protection for flotation machine and method of making and using the same |
CN105032623A (en) * | 2015-09-02 | 2015-11-11 | 天地(唐山)矿业科技有限公司 | Pretreatment equipment for coal slime before floatation feed |
CN205761811U (en) * | 2016-07-11 | 2016-12-07 | 中国黄金集团建设有限公司 | A kind of stirring system of flotation device |
CN205761810U (en) * | 2016-05-10 | 2016-12-07 | 石城县来鑫矿山设备制造厂 | A kind of flotation device |
CN206935582U (en) * | 2017-06-27 | 2018-01-30 | 北矿机电科技有限责任公司 | Flotation device bottom ore pulp orientation dual-cycle plant |
-
2017
- 2017-06-27 CN CN201710502211.9A patent/CN107138290A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB503016A (en) * | 1937-09-24 | 1939-03-24 | Stanley Tucker | Improvements in or relating to agitation and aeration apparatus |
GB838302A (en) * | 1957-02-15 | 1960-06-22 | Willoughby Whatnall Potter | Improvements in or relating to froth flotation |
CN87103290A (en) * | 1987-05-06 | 1988-11-23 | 北京矿冶研究总院 | Flotation machine for ore dressing |
CN202238332U (en) * | 2011-09-28 | 2012-05-30 | 长沙有色冶金设计研究院有限公司 | Flotation assembly |
CN103586139A (en) * | 2013-11-11 | 2014-02-19 | 黑龙江宏宇电站设备有限公司 | Flotation machine and flotation method |
WO2015114505A1 (en) * | 2014-01-28 | 2015-08-06 | Flsmidth A/S | Wear protection for flotation machine and method of making and using the same |
CN105032623A (en) * | 2015-09-02 | 2015-11-11 | 天地(唐山)矿业科技有限公司 | Pretreatment equipment for coal slime before floatation feed |
CN205761810U (en) * | 2016-05-10 | 2016-12-07 | 石城县来鑫矿山设备制造厂 | A kind of flotation device |
CN205761811U (en) * | 2016-07-11 | 2016-12-07 | 中国黄金集团建设有限公司 | A kind of stirring system of flotation device |
CN206935582U (en) * | 2017-06-27 | 2018-01-30 | 北矿机电科技有限责任公司 | Flotation device bottom ore pulp orientation dual-cycle plant |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117302279A (en) * | 2023-11-30 | 2023-12-29 | 新乡市鼎盛散热器有限公司 | Bidirectional multichannel heat abstractor of railcar |
CN117302279B (en) * | 2023-11-30 | 2024-01-26 | 新乡市鼎盛散热器有限公司 | Bidirectional multichannel heat abstractor of railcar |
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PB01 | Publication | ||
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Application publication date: 20170908 |