CN101543739B - Surface modification pulp mixing machine and application thereof - Google Patents
Surface modification pulp mixing machine and application thereof Download PDFInfo
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- CN101543739B CN101543739B CN2009100808972A CN200910080897A CN101543739B CN 101543739 B CN101543739 B CN 101543739B CN 2009100808972 A CN2009100808972 A CN 2009100808972A CN 200910080897 A CN200910080897 A CN 200910080897A CN 101543739 B CN101543739 B CN 101543739B
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- mixing
- surface modification
- cirtern
- pulp
- mixing machine
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- 238000012986 modification Methods 0.000 title claims abstract description 27
- 230000004048 modification Effects 0.000 title claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 17
- 239000011707 mineral Substances 0.000 claims abstract description 17
- 238000010008 shearing Methods 0.000 claims description 22
- 238000004513 sizing Methods 0.000 claims description 20
- 239000011440 grout Substances 0.000 claims description 10
- 239000003245 coal Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The invention discloses a surface modification pulp mixing machine and application thereof. The surface modification pulp mixing machine comprises a mixing vessel, wherein a plurality of sections of pulp mixing chambers are sequentially arranged from a pulp inlet to a pulp outlet in the mixing vessel, adjacent pulp mixing chambers are isolated with each other through a cutting disc fixed on a stirring shaft and a stirring clapboard fixed on the lateral wall of the mixing vessel, the stirring shaft is provided with a stirring impeller, and the lateral wall of the mixing vessel is provided with a stirring baffle plate. The surface modification pulp mixing machine is applied to a floatation feeding pretreatment stage in an ore dressing process flow, and through applying a high-cutting environment to ore pulp, the dispersion degree of a medicament and the adsorption effect on the surfaces of minerals are improved, the hydrophobicity differences between minerals is increased, and the flotability of the minerals is improved.
Description
Technical field
The present invention relates to a kind of preparation equipment, relate in particular to a kind of surface modification pulp mixing machine and application thereof.
Background technology
The floatation feed preliminary treatment is requisite operation in coal separation, the mineral processing circuit, if this operation defectiveness, then no matter how good the processing performance of floatation equipment is, can not obtain gratifying index.Ore pulp preliminary treatment major function is as follows:
1. floating agent is well-dispersed in the ore pulp; 2. make adsorption of collector to purpose ore particle surface, improve mineral floatability and flotation speed; 3. even ore pulp character.
Floatation feed preliminary treatment agitator of the prior art, has effect preferably for common mineral and slime separation, but at the small mineral of granularity, the characteristics that the high ash of being appeared suddenly as the high micro-size fraction coal slime of-200 orders (granularity is less than 0.074mm) content, difficult floating, poor selectivity and thin mud cover, can not finely adapt to, the concentrate rate of recovery is low.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can be applicable to small granularity mineral, surface modification pulp mixing machine that the concentrate rate of recovery is high and application thereof.
The objective of the invention is to be achieved through the following technical solutions:
Surface modification pulp mixing machine of the present invention, comprise mixing cirtern, be axially arranged with shaft in the mixing cirtern, described mixing cirtern bottom is provided with stock inlet, top is provided with grout outlet, is provided with the multistage chamber of sizing mixing successively from stock inlet to grout outlet in the mixing cirtern, and adjacent sizing mixing separates by the stirring dividing plate that is fixed on the shearing disk on the shaft and be fixed on the mixing cirtern sidewall between the chamber, leave the gap between described shearing disk and the stirring dividing plate, the every section chamber of sizing mixing is provided with independent agitating device.
The application of above-mentioned surface modification pulp mixing machine of the present invention, this surface modification pulp mixing machine is used for the floatation feed pretreatment stage of mineral processing circuit.
As seen from the above technical solution provided by the invention, surface modification pulp mixing machine of the present invention and application thereof, owing to be provided with the multistage chamber of sizing mixing successively from stock inlet to grout outlet in the mixing cirtern, adjacent sizing mixing separates by the stirring dividing plate that is fixed on the shearing disk on the shaft and be fixed on the mixing cirtern sidewall between the chamber, leave the gap between described shearing disk and the stirring dividing plate, the every section chamber of sizing mixing is provided with independent agitating device.Ore pulp enters from stock inlet, through multistage stirring, and by shearing disk with stir gap between the dividing plate and enter next section chamber of sizing mixing successively, until grout outlet, the floatation feed pretreatment stage that is used for mineral processing circuit can be applicable to small granularity mineral, concentrate rate of recovery height.
Description of drawings
Fig. 1 is the structural representation of surface modification pulp mixing machine of the present invention;
Fig. 2 is the planar structure schematic diagram of shearing disk among the present invention;
Fig. 3 is the side structure schematic diagram of shearing disk among the present invention.
The specific embodiment
Surface modification pulp mixing machine of the present invention, its preferable specific embodiment comprises mixing cirtern 1 as shown in Figure 1, is axially arranged with shaft 2 in the mixing cirtern 1.Shaft 2 can be arranged on mixing cirtern 1 on cover, drive by motor 9, also can adopt other set-up mode.
Mixing cirtern 1 bottom is provided with stock inlet 12, top is provided with grout outlet 3, be provided with the multistage chamber of sizing mixing successively from stock inlet 12 to grout outlet 3 in the mixing cirtern 1, adjacent sizing mixing separates by being fixed on shearing disk 4 on the shaft 2 and the stirring dividing plate 6 that is fixed on mixing cirtern 1 sidewall between the chamber, shearing disk 4 can be horizontally fixed on the shaft 2 for discoid; Stirring dividing plate 6 can be horizontally fixed on mixing cirtern 1 sidewall for circular.Leave the gap between shearing disk 4 and the stirring dividing plate 6, be used to pass through ore pulp.
As Fig. 2, shown in Figure 3, radially can be provided with a plurality of slotted holes 13 on the shearing disk 4, turn under the lateral edges of slotted hole 13, be lower than the lower surface of shearing disk 4.On the one hand, slotted hole 13 can be used for logical slurry; On the other hand, the edge that turns over for 13 times of slotted hole can increase shearing force.As required, shearing disk also can adopt other open-cellular form, also can adopt blind dish.
Ore pulp enters from stock inlet 12, through the size mixing multistage stirring of chamber of multistage, and enters next section chamber of sizing mixing by shearing disk 4 successively with stirring gap between the dividing plate 6, until grout outlet.
The every section chamber of sizing mixing is provided with independent agitating device, agitating device can comprise agitator arm 5 that is fixed on the shaft 2 and the mixing baffle 7 that is fixed on mixing cirtern 1 sidewall, described agitator arm 5 is preferentially selected straight leaf disc worm-gear type impeller for use, also can adopt the worm-gear type impeller of other patterns.Mixing baffle 7 can vertically or tilt to be fixed on the sidewall of mixing cirtern 1.Also can radially be provided with mixing baffle on the base plate 11 of mixing cirtern 1.
One side of mixing cirtern 1 can also be provided with chemical feed pipe 10, and the bottom of mixing cirtern 1 can be provided with blowing mouth 8.
The application of above-mentioned surface modification pulp mixing machine of the present invention, its preferable specific embodiment is that this surface modification pulp mixing machine is used for the floatation feed pretreatment stage of mineral processing circuit.Can be used for the coal separation operation, also can be used for other ore-dressing practice.
The operation principle of surface modification pulp mixing machine of the present invention is:
Ore pulp enters first section chamber of sizing mixing of paste mixer through stock inlet 12, under straight leaf disc turbine type impeller 5 high-speed stirred, produce peripheral flow and downward radial flow, through base plate 11, shearing disk 4, stir dividing plate 6, under the acting in conjunction of mixing baffle 7, be subjected to the powerful turbulences of strong mechanical agitation and fluid, be beneficial to the absorption of medicament at the purpose mineral surfaces, and the dispersion in ore pulp, the narrow gap of ore pulp through stirring dividing plate 6 and 4 of shearing disks enters the stirring of sizing mixing once more of next section chamber of sizing mixing then, after sizing mixing step by step, finally obtain the prefloat product of high-quality, ore pulp is discharged through grout outlet 3 and is entered floatation equipment.
Ore pulp in surface modification pulp mixing machine by after the preliminary treatment of efficiently sizing mixing, effects such as emulsification, homogeneous, physical chemistry have taken place, improved the medicament decentralization and at the adsorption effect of mineral surfaces, increased hydrophobic difference between mineral, improved the mineral floatability, thereby flotation is speeded up, improve concentrate yield.
Applied fluid mechanics theory of the present invention is carried out the flow field optimal design, and the chamber of sizing mixing is divided into several sections, and not only relatively sealing but also interknit of each section is that a kind of efficient high shear of continuous running is stirred and sized mixing device.
The above; only for the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (8)
1. surface modification pulp mixing machine, comprise mixing cirtern, be axially arranged with shaft in the mixing cirtern, it is characterized in that described mixing cirtern bottom is provided with stock inlet, top is provided with grout outlet, be provided with the multistage chamber of sizing mixing successively from stock inlet to grout outlet in the mixing cirtern, adjacent sizing mixing separates by the stirring dividing plate that is fixed on the shearing disk on the shaft and be fixed on the mixing cirtern sidewall between the chamber, leaves the gap between described shearing disk and the stirring dividing plate, and the every section chamber of sizing mixing is provided with independent agitating device;
Described shearing disk is discoid, is horizontally fixed on the described shaft; Described stirring dividing plate is circular, is horizontally fixed on the described mixing cirtern sidewall;
Radially be provided with a plurality of slotted holes on the described shearing disk, turn under the lateral edges of described slotted hole, be lower than the lower surface of described shearing disk.
2. surface modification pulp mixing machine according to claim 1 is characterized in that, described agitating device comprises agitator arm that is fixed on the shaft and the mixing baffle that is fixed on the mixing cirtern sidewall.
3. surface modification pulp mixing machine according to claim 2 is characterized in that, described agitator arm is selected straight leaf disc worm-gear type impeller for use.
4. surface modification pulp mixing machine according to claim 2 is characterized in that, described mixing baffle vertically or tilt to be fixed on the described mixing cirtern sidewall.
5. surface modification pulp mixing machine according to claim 4 is characterized in that, radially is provided with mixing baffle on the base plate of described mixing cirtern.
6. surface modification pulp mixing machine according to claim 1 is characterized in that the bottom of described mixing cirtern is provided with the blowing mouth; One side of described mixing cirtern is provided with chemical feed pipe.
7. the application of each described surface modification pulp mixing machine of claim 1 to 6 is characterized in that, this surface modification pulp mixing machine is used for the floatation feed pretreatment stage of mineral processing circuit.
8. the application of surface modification pulp mixing machine according to claim 7 is characterized in that, this surface modification pulp mixing machine is used for coal separation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100808972A CN101543739B (en) | 2009-03-27 | 2009-03-27 | Surface modification pulp mixing machine and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100808972A CN101543739B (en) | 2009-03-27 | 2009-03-27 | Surface modification pulp mixing machine and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101543739A CN101543739A (en) | 2009-09-30 |
| CN101543739B true CN101543739B (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100808972A Active CN101543739B (en) | 2009-03-27 | 2009-03-27 | Surface modification pulp mixing machine and application thereof |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101002216B1 (en) * | 2008-10-21 | 2010-12-20 | 경상대학교산학협력단 | Agitator |
| CN102600749B (en) * | 2010-12-09 | 2014-05-28 | 中国石油化工股份有限公司 | Mixing reactor |
| CN102614799B (en) * | 2012-05-03 | 2015-02-25 | 兰州大学 | Numerical control online continuous mixer |
| CN103721620B (en) * | 2012-10-11 | 2016-08-03 | 北京三矿通科技有限公司 | The modification blade of ore pulp, stirring system and ore pulp modifying machine |
| CN103752414A (en) * | 2014-01-07 | 2014-04-30 | 中国矿业大学(北京) | Pulp mixing reinforced deep flotation technology process |
| CN104624356B (en) * | 2015-01-09 | 2017-02-22 | 天地（唐山）矿业科技有限公司 | Solution microbubble strong surface modification machine |
| CN104841571A (en) * | 2015-05-29 | 2015-08-19 | 武汉工程大学 | Novel flotation column and flotation method thereof |
| CN105381740A (en) * | 2015-12-16 | 2016-03-09 | 中国矿业大学(北京) | Energy adaptation-based grading surface modification paste mixer |
| CN107913629A (en) * | 2017-12-29 | 2018-04-17 | 中国黄金集团中原矿业有限公司 | For the efficient ore pulp modifying machine and its implementation in molybdenum floatation of tungsten mineral technique |
| CN109046757B (en) * | 2018-07-16 | 2021-02-19 | 湖南有色金属研究院 | Mineral separation method for gravity separation reverse flotation decalcification of high-calcium fine-grain mica type vanadium ore |
| CN109772598B (en) * | 2019-01-25 | 2021-02-23 | 太原理工大学 | Flotation size mixing method and flotation size mixing equipment capable of improving mineralization effect |
| CN111871620B (en) * | 2020-06-22 | 2021-07-23 | 中国矿业大学 | Pre-selection efficient size mixing method suitable for wide-size-fraction flotation |
| CN113843051B (en) * | 2021-07-20 | 2024-05-31 | 中国矿业大学 | Multistage stirring circulation slurry mixing equipment and method |
| CN114713060B (en) * | 2021-09-01 | 2023-04-18 | 中国矿业大学 | Time-space non-homogeneous state circulation jet flow coupled size mixing device |
| CN114713382B (en) * | 2021-11-19 | 2023-03-14 | 中国矿业大学 | Strong mixing and shearing device and method suitable for fine mineral flotation |
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- 2009-03-27 CN CN2009100808972A patent/CN101543739B/en active Active
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