CN205462755U - Ore dressing floatation device - Google Patents
Ore dressing floatation device Download PDFInfo
- Publication number
- CN205462755U CN205462755U CN201620152059.7U CN201620152059U CN205462755U CN 205462755 U CN205462755 U CN 205462755U CN 201620152059 U CN201620152059 U CN 201620152059U CN 205462755 U CN205462755 U CN 205462755U
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- flotation
- shaft
- sleeve
- ore dressing
- bearing block
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Abstract
The utility model discloses an ore dressing floatation device, including the flotation shell, from inhaling the bubble generator that declines, rabbling mechanism and stirring drive arrangement, the flotation shell includes flotation cell and foam collecting vat, there is the inlet pipe from inhaling the bubble generator access connection that declines, be connected at the central feed inlet in flotation cell bottom with the setting from inhaling the bubble generator outlet that declines, the rabbling mechanism includes the (mixing) shaft, bearing frame and sleeve, the (mixing) shaft is hollow structure, bearing frame lower extreme and sleeve upper end link firmly, the apron is installed to the sleeve lower extreme, the stator is installed to the apron bottom, it has the through -hole to open on the apron, the (mixing) shaft passes the sleeve and the bearing frame just is connected with the bearing frame through the bearing, the impeller is installed to the (mixing) shaft lower extreme, a cover plate, form half sealed cavity between impeller and the stator three. The utility model discloses easy maintenance, energy consumption are hanged down and are longe -lived, can form a large amount of small bubbles, and bubble buoyancy lift process is stable, and flotation efficiency is high, improve flotation process and bubble generation type, strengthened separation effect, reduced the impeller wearing and tearing.
Description
Technical field
This utility model belongs to mineral floating technical field, is specifically related to a kind of ore dressing flotation unit.
Background technology
After flotation refers to that ore pulp mixes with medicament in flotation device, target ore particle is made to select by stirring inflation
Selecting property it is attached on bubble, is scraped formation froth pulp, rest materials quilt floating to ore pulp surface
It is retained in ore pulp, thus reaches to separate the process of mineral purpose.
Flotation device, according to the difference of airing form, can be divided into mechanical agitation type and mechanical stirring-type two
Class, and the most all there is shortcoming in them.The shortcoming that agitation impeller flotator exists has:
Stirring system only plays the effect of stirring and diffusing air current, and aeration quantity is realized by external inflation；Stirring system
System whipping process in do not produce negative pressure, flotation device can not self-priming ore pulp, need increase in the middle of ore pulp return
Sand pump conveying equipment or staggered floor arrange, floatation process is complicated；Bubble size reduces mainly by regulation
Wheel speed realizes, and is unfavorable for forming micro-bubble, and bubbles volume is few, and energy consumption is big, fixed
Son, rotor part serious wear, maintenance capacity is big.The shortcoming that non-stirred formula flotation device exists has: due to
Self-priming air inlet to be realized, therefore flow rate of pulp is higher, particle bubble coalition in flotation, by
Aggravate in mutual collision effect, cause bubble merging, rupture to such an extent as to cause desorption phenomenon to occur.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, it is provided that a kind of ore dressing is floated
Screening device, its simple in construction, easy to maintenance, energy consumption is low, life-span length and can long-term safety run, energy
Form a large amount of micro-bubble, air bubble buoyancy process stabilization, improve flotation efficiency；Improve flotation
Journey and bubble generation type, enhance separating effect, decreases the abrasion of impeller and stator.
For achieving the above object, the technical solution adopted in the utility model is: a kind of ore dressing flotation unit,
It is characterized in that: include flotation shell, self-suction microbubble generator, rabbling mechanism and for driving stirring
The mixer drive of mechanism's operating, described flotation shell includes flotation cell and is arranged on flotation cell top
Foam collecting tank, described self-suction microbubble generator is arranged on outside described flotation shell, and described self-priming declines
The import of bubble generator connects a feed pipe, the outlet of described self-suction microbubble generator be arranged on floating
The charging aperture selecting trench bottom center connects, and described rabbling mechanism includes shaft, bearing block and sleeve,
Described shaft is hollow-core construction, and described bearing block is arranged on the top of shaft, described bearing block
Lower end is fixing with the upper end of sleeve to be connected, and the lower end of described sleeve is provided with cover plate, the end of described cover plate
Portion is provided with stator, and described cover plate has through hole, and described shaft passes sleeve and bearing block and leads to
Crossing bearing to be connected with bearing block, described bearing is arranged on bearing block, and described bearing block is fixed on flotation
On groove, the top of described shaft is positioned at outside described flotation shell, the bottom of described shaft, bearing block,
Sleeve and cover plate are respectively positioned in described flotation shell, and the lower end of described shaft is provided with impeller, described lid
Semi-enclosed cavity is formed between plate, impeller and stator three.
Above-mentioned a kind of ore dressing flotation unit, it is characterised in that: connect on described sleeve and communicate therewith
Air inlet pipe, the end of described air inlet pipe passes described flotation shell, and the end of described air inlet pipe is provided with
For regulating the first adjustable cap of air inflow.
Above-mentioned a kind of ore dressing flotation unit, it is characterised in that: the quantity of described air inlet pipe is two,
Two described air inlet pipe are symmetrical arranged.
Above-mentioned a kind of ore dressing flotation unit, it is characterised in that: the upper end of described shaft is provided with use
The second adjustable cap in regulation air inflow.
Above-mentioned a kind of ore dressing flotation unit, it is characterised in that: described mixer drive is arranged on institute
Stating outside flotation shell, described mixer drive includes motor, drive pulley, driven pulley and skin
Band, described drive pulley is fixedly mounted on the output shaft of motor, the fixing peace of described driven pulley
Being contained in the upper end of shaft, described drive pulley, driven pulley connect formation belt by belt
Transmission, described motor is arranged on the top cover of foam collecting tank.
Above-mentioned a kind of ore dressing flotation unit, it is characterised in that: described motor is installed by electric machine support
On the top cover of foam collecting tank, described electric machine support is fixed on the top cover of foam collecting tank, described
Motor is arranged on electric machine support.
Above-mentioned a kind of ore dressing flotation unit, it is characterised in that: described shaft, sleeve, impeller and
The axis of stator is all through the bottom centre of flotation cell.
Above-mentioned a kind of ore dressing flotation unit, it is characterised in that: described through hole is arranged on the middle part of cover plate,
The quantity of described through hole is multiple, and multiple through holes are uniformly laid.
Above-mentioned a kind of ore dressing flotation unit, it is characterised in that: described bearing block is bolted on
On flotation cell.
This utility model compared with prior art has the advantage that
1, this utility model simple in construction, easy to maintenance, energy consumption is low, life-span length and can long-term safety
Stable operation.
2, this utility model has two kinds of bubble producing methods, and one is to pass through self-suction microbubble generator
Producing bubble, it is main bubble producing method；Another kind is to be entered by the air inlet pipe connected on sleeve
Gas and shaft air inlet produce bubble, can be effectively increased air inflow, increase bubble generation amount, also expand
In big floatation process, the range of accommodation of air inflow, improves flotation effect.
3, this utility model has two kinds of bubble producing methods, therefore in the condition reaching nominal inflation amount
Under, wheel speed can be reduced, power consumption can be saved, the mill of rotor and stator can be reduced again
Damage degree, extends the service life of flotation unit；Two kinds of bubble producing method flotations are stable, subtract
Lack liquid level unstable, especially " magic flower " phenomenon, additionally can avoid bubble " short-circuit " situation
Occur.
4, this utility model is become a mandarin a large amount of bubble of middle formation to raw ore by self-suction microbubble generator,
Make raw ore be previously-completed mineralization process, self-suction microbubble generator and air inlet pipe and shaft combine tune
Solar term bubble generation amount, thus decrease the degree of wear of impeller, extend the service life of flotation unit,
Adding air bubble content, bubble can be made to smash degree higher, ore pulp is stable, reaches to strengthen separating effect
Purpose.
In sum, this utility model can form micro-bubble, increases air bubble content, makes bubble smash
Degree is higher, can strengthen ore pulp degree of stability, it is achieved that mineralising and the split flotation strategy separated；Ore deposit
Starch and form negative inspiratory pressure by high-speed jet and then form microvesicle, in minimizing cell body in ore pulp " gas bullet "
Formed and avoid " short-circuit " situation to occur, thus reach to work continuously, bubble and floating agent be by by force
Strong emulsifying and energy-saving and cost-reducing, the purpose of enhancing separating effect.
Below by drawings and Examples, this utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1 driven pulley；2 bolts；3 bearing blocks；
4 air inlet pipe；5 sleeves；6 stators；
7 self-suction microbubble generators；8 impellers；9 shafts；
10 first adjustable caps；11 second adjustable caps；12 flotation cells；
13 foam collecting tanks；14 electric machine supports；15 motors；
16 belts；17 through holes；18 drive pulleys；
19 cover plates；20 feed pipes；21 bearings.
Detailed description of the invention
As it is shown in figure 1, this utility model includes flotation shell, self-suction microbubble generator 7, blender
Structure and for driving the mixer drive that rabbling mechanism operates, described flotation shell includes flotation cell 12
Be arranged on the foam collecting tank 13 at flotation cell 12 top, described self-suction microbubble generator 7 is arranged
Outside described flotation shell, the import of described self-suction microbubble generator 7 connects feed pipe 20, described
The outlet of self-suction microbubble generator 7 is connected with the charging aperture being arranged on flotation cell 12 bottom centre,
Described rabbling mechanism includes shaft 9, bearing block 3 and sleeve 5, and described shaft 9 is hollow knot
Structure, described bearing block 3 is arranged on the top of shaft 9, the lower end of described bearing block 3 and sleeve 5
Upper end fixing connect, the lower end of described sleeve 5 is provided with cover plate 19, the bottom of described cover plate 19
Being provided with stator 6, described cover plate 19 has through hole 17, described shaft 9 is through sleeve 5 He
Bearing block 3 and being connected with bearing block 3 by bearing 21, described bearing 21 is arranged on bearing block 3,
Described bearing block 3 is fixed on flotation cell 12, and the top of described shaft 9 is positioned at described flotation shell
Outward, the bottom of described shaft 9, bearing block 3, sleeve 5 and cover plate 19 are respectively positioned on described flotation shell
In, the lower end of described shaft 9 is provided with impeller 8, described cover plate 19, impeller 8 and stator 6 three
Semi-enclosed cavity is formed between person.Self-suction microbubble generator 7 use Application No. 95239169.4,
The self-suction microbubble generator of entitled " self-suction microbubble generator ".
The air inlet pipe 4 communicated therewith, described air inlet pipe is had as it is shown in figure 1, connect on described sleeve 5
The end of 4 passes described flotation shell, and the end of described air inlet pipe 4 is provided with for regulating air inflow
First adjustable cap 10.In the present embodiment, the quantity of described air inlet pipe 4 is two, two described air inlets
Pipe 4 is symmetrical arranged.Owing to semi-enclosed cavity forms powerful negative pressure, therefore air inlet pipe in whipping process
Air can be sucked in 4, produce more bubble, stronger in the carrying out of ore dressing flotation, can pass through
Regulate the first adjustable cap 10 to control the air inflow of air inlet pipe 4.
As it is shown in figure 1, the upper end of described shaft 9 is provided with the second regulation for regulating air inflow
Lid 11, semi-enclosed cavity forms powerful negative pressure in whipping process, therefore can suck sky in shaft 9
Gas, produces more bubble, stronger in the carrying out of ore dressing flotation, can be by regulation the second regulation
Lid 11 controls the air inflow of shaft 9.
As it is shown in figure 1, described mixer drive is arranged on outside described flotation shell, described stirring drives
Device includes motor 15, drive pulley 18, driven pulley 1 and belt 16, described active skin
Belt wheel 18 is fixedly mounted on the output shaft of motor 15, and described driven pulley 1 is fixedly mounted on and stirs
Mixing the upper end of axle 9, described drive pulley 18, driven pulley 1 connect formation by belt 16
Belt transport, described motor 15 is arranged on the top cover of foam collecting tank 13.During work, motor 15
Driving drive pulley 18 to rotate, drive pulley 18 drives driven pulley 1 by belt 16
Rotating, driven pulley 1 drives shaft 9 to rotate, and shaft 9 impeller 8 rotates, it is achieved
Stirring to ore pulp.
As it is shown in figure 1, described motor 15 is arranged on foam collecting tank 13 by electric machine support 14
On top cover, described electric machine support 14 is fixed on the top cover of foam collecting tank 13, described motor 15
It is arranged on electric machine support 14.
In the present embodiment, the equal warp in axis of described shaft 9, sleeve 5, impeller 8 and stator 6
Cross the bottom centre of flotation cell 12, beneficially ore pulp to suck, improve flotation efficiency.
In the present embodiment, described through hole 17 is arranged on the middle part of cover plate 19, the number of described through hole 17
Amount is for multiple, and multiple through holes 17 are uniformly laid, to increase ore pulp amount and the aeration quantity that impeller 8 sucks.
As it is shown in figure 1, described bearing block 3 is fixed on flotation cell 12 by bolt 2.
Operation principle of the present utility model is: during use, and the external batcher of feed pipe 20, by raw ore
Fed self-suction microbubble generator 7 with medicament by batcher high pressure and form high-speed jet, self-priming microvesicle
Forming negative pressure in the cavity of generator 7 and suck air, air is carried out cutting, being ground into by high-speed jet
Microvesicle, is mutually mixed with raw ore and carries out pre-mineralization process.Ore pulp after pre-mineralising feeds flotation cell 12
Bottom, by mixer drive drive shaft 9 rotate, shaft 9 impeller 8 rotates,
Being stirred ore pulp, ore pulp is dispersed and outwards throws away；Gas is made in the shearing of impeller and liquid stream
Be dispersed into bubble under with, bubble collide with hydrophobicity ore particle and be attached on together with form mineral laden bubble, on
Rise to scrape flotation shell after liquid level foam collecting tank 13 is collected.In floatation process, by cover plate 19, leaf
Forming semi-enclosed cavity between wheel 8 and stator 6 three, in whipping process, semi-enclosed cavity is formed by force
Big negative pressure sucks air, to produce more gas from shaft 9 and the air inlet pipe 4 being connected to sleeve
Bubble, stronger in the carrying out of ore dressing flotation, can control to stir by regulating the second adjustable cap 11
Mix the air inflow of axle 9, regulate the first adjustable cap 10 to control the air inflow of air inlet pipe 4.Cover plate 19
On through hole 17, the ore pulp of attachment not only can be made on cover plate 19 to make ore pulp circulate in entering impeller 8,
And add the aeration quantity being formed negative pressure by impeller 8 and suck.
The above, be only preferred embodiment of the present utility model, not makees this utility model any
Limit, every according to this utility model technical spirit, above example is made any simple modification,
Change and equivalent structure transformation, all still fall within the protection domain of technical solutions of the utility model.
Claims (9)
- null1. an ore dressing flotation unit，It is characterized in that: include flotation shell、Self-suction microbubble generator (7)、Rabbling mechanism and for driving the mixer drive that rabbling mechanism operates，Described flotation shell includes flotation cell (12) and is arranged on the foam collecting tank (13) at flotation cell (12) top，Described self-suction microbubble generator (7) is arranged on outside described flotation shell，The import of described self-suction microbubble generator (7) connects feed pipe (20)，The outlet of described self-suction microbubble generator (7) is connected with the charging aperture being arranged on flotation cell (12) bottom centre，Described rabbling mechanism includes shaft (9)、Bearing block (3) and sleeve (5)，Described shaft (9) is hollow-core construction，Described bearing block (3) is arranged on the top of shaft (9)，The lower end of described bearing block (3) is fixing with the upper end of sleeve (5) to be connected，The lower end of described sleeve (5) is provided with cover plate (19)，The bottom of described cover plate (19) is provided with stator (6)，Through hole (17) is had on described cover plate (19)，Described shaft (9) is passed sleeve (5) and bearing block (3) and is connected with bearing block (3) by bearing (21)，Described bearing (21) is arranged on bearing block (3)，Described bearing block (3) is fixed on flotation cell (12)，The top of described shaft (9) is positioned at outside described flotation shell，The bottom of described shaft (9)、Bearing block (3)、Sleeve (5) and cover plate (19) are respectively positioned in described flotation shell，The lower end of described shaft (9) is provided with impeller (8)，Described cover plate (19)、Semi-enclosed cavity is formed between impeller (8) and stator (6) three.
- 2. according to a kind of ore dressing flotation unit described in claim 1, it is characterized in that: there is the air inlet pipe (4) communicated therewith described sleeve (5) upper connection, the end of described air inlet pipe (4) passes described flotation shell, and the end of described air inlet pipe (4) is provided with the first adjustable cap (10) for regulating air inflow.
- 3. according to a kind of ore dressing flotation unit described in claim 2, it is characterised in that: the quantity of described air inlet pipe (4) is two, and two described air inlet pipe (4) are symmetrical arranged.
- 4. according to a kind of ore dressing flotation unit described in claim 1 or 2, it is characterised in that: the upper end of described shaft (9) is provided with the second adjustable cap (11) for regulating air inflow.
- 5. according to a kind of ore dressing flotation unit described in claim 1 or 2, it is characterized in that: described mixer drive is arranged on outside described flotation shell, described mixer drive includes motor (15), drive pulley (18), driven pulley (1) and belt (16), described drive pulley (18) is fixedly mounted on the output shaft of motor (15), described driven pulley (1) is fixedly mounted on the upper end of shaft (9), described drive pulley (18), driven pulley (1) connects formation belt transport by belt (16), described motor (15) is arranged on the top cover of foam collecting tank (13).
- 6. according to a kind of ore dressing flotation unit described in claim 5, it is characterized in that: described motor (15) is arranged on the top cover of foam collecting tank (13) by electric machine support (14), described electric machine support (14) is fixed on the top cover of foam collecting tank (13), and described motor (15) is arranged on electric machine support (14).
- 7. according to a kind of ore dressing flotation unit described in claim 1 or 2, it is characterised in that: the axis of described shaft (9), sleeve (5), impeller (8) and stator (6) is all through the bottom centre of flotation cell (12).
- 8. according to a kind of ore dressing flotation unit described in claim 1 or 2, it is characterized in that: described through hole (17) is arranged on the middle part of cover plate (19), the quantity of described through hole (17) is multiple, and multiple through holes (17) are uniformly laid.
- 9. according to a kind of ore dressing flotation unit described in claim 1 or 2, it is characterised in that: described bearing block (3) is fixed on flotation cell (12) by bolt (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152059.7U CN205462755U (en) | 2016-02-29 | 2016-02-29 | Ore dressing floatation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152059.7U CN205462755U (en) | 2016-02-29 | 2016-02-29 | Ore dressing floatation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205462755U true CN205462755U (en) | 2016-08-17 |
Family
ID=56658133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620152059.7U Expired - Fee Related CN205462755U (en) | 2016-02-29 | 2016-02-29 | Ore dressing floatation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205462755U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107008575A (en) * | 2017-06-13 | 2017-08-04 | 信丰县包钢新利稀土有限责任公司 | A kind of RE mineral floating machine and its method for floating |
| CN107670850A (en) * | 2017-09-29 | 2018-02-09 | 昆明理工大学 | A kind of single bubble flotation unit |
| CN107876218A (en) * | 2017-12-18 | 2018-04-06 | 郑州广益达资源新技术有限公司 | The pneumatic mineralizer of vane type and the pneumatic flotation cell using the pneumatic mineralizer of vane type |
| CN108212558A (en) * | 2018-01-31 | 2018-06-29 | 湖北环电磁装备工程技术有限公司 | The centrifugal ore separator that a kind of combination type permanent-magnet synchronous motor directly drives |
| CN108772206A (en) * | 2018-06-19 | 2018-11-09 | 利辛县风雅颂机电科技有限公司 | A kind of flotation device of high-purity separation concentrate |
| CN109127157A (en) * | 2018-10-23 | 2019-01-04 | 新沂市宏润石英硅微粉有限公司 | Quartz sand flotation machine |
| CN109127155A (en) * | 2018-09-21 | 2019-01-04 | 四川省川机工程技术有限公司 | A kind of agitation impeller flotator increasing ventilatory capacity |
| CN109174472A (en) * | 2018-09-07 | 2019-01-11 | 中国神华能源股份有限公司 | Flotation device |
| CN110170382A (en) * | 2019-06-26 | 2019-08-27 | 绍兴金冶环保科技有限公司 | Leaf paddle metallurgy flotation device |
| WO2020220585A1 (en) * | 2019-04-29 | 2020-11-05 | 中国矿业大学 | Forced-circulating quick floatation separation apparatus and method |
| CN113967540A (en) * | 2021-10-25 | 2022-01-25 | 中南大学 | Gas-filled stirring equipment and application thereof |
| CN113976333A (en) * | 2021-10-25 | 2022-01-28 | 中南大学 | Pretreatment method of high-magnetic pyrite-containing type copper ore |
| CN114632446A (en) * | 2022-03-01 | 2022-06-17 | 浙江长城搅拌设备股份有限公司 | High-efficiency self-suction type gas reaction stirring device |
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- 2016-02-29 CN CN201620152059.7U patent/CN205462755U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107008575A (en) * | 2017-06-13 | 2017-08-04 | 信丰县包钢新利稀土有限责任公司 | A kind of RE mineral floating machine and its method for floating |
| CN107670850A (en) * | 2017-09-29 | 2018-02-09 | 昆明理工大学 | A kind of single bubble flotation unit |
| CN107670850B (en) * | 2017-09-29 | 2024-05-31 | 昆明理工大学 | Single bubble flotation device |
| CN107876218B (en) * | 2017-12-18 | 2023-12-29 | 郑州广益达资源新技术有限公司 | Vane type pneumatic mineralizer and pneumatic flotation tank using same |
| CN107876218A (en) * | 2017-12-18 | 2018-04-06 | 郑州广益达资源新技术有限公司 | The pneumatic mineralizer of vane type and the pneumatic flotation cell using the pneumatic mineralizer of vane type |
| CN108212558A (en) * | 2018-01-31 | 2018-06-29 | 湖北环电磁装备工程技术有限公司 | The centrifugal ore separator that a kind of combination type permanent-magnet synchronous motor directly drives |
| CN108772206A (en) * | 2018-06-19 | 2018-11-09 | 利辛县风雅颂机电科技有限公司 | A kind of flotation device of high-purity separation concentrate |
| CN108772206B (en) * | 2018-06-19 | 2020-04-28 | 辽宁招金白云黄金矿业有限公司 | Flotation machine of high accuracy separation concentrate |
| CN109174472A (en) * | 2018-09-07 | 2019-01-11 | 中国神华能源股份有限公司 | Flotation device |
| CN109174472B (en) * | 2018-09-07 | 2020-08-21 | 中国神华能源股份有限公司 | Flotation machine |
| CN109127155A (en) * | 2018-09-21 | 2019-01-04 | 四川省川机工程技术有限公司 | A kind of agitation impeller flotator increasing ventilatory capacity |
| CN109127157A (en) * | 2018-10-23 | 2019-01-04 | 新沂市宏润石英硅微粉有限公司 | Quartz sand flotation machine |
| CN109127157B (en) * | 2018-10-23 | 2024-02-27 | 新沂市宏润石英硅微粉有限公司 | Quartz sand flotation machine |
| WO2020220585A1 (en) * | 2019-04-29 | 2020-11-05 | 中国矿业大学 | Forced-circulating quick floatation separation apparatus and method |
| CN110170382A (en) * | 2019-06-26 | 2019-08-27 | 绍兴金冶环保科技有限公司 | Leaf paddle metallurgy flotation device |
| CN113967540A (en) * | 2021-10-25 | 2022-01-25 | 中南大学 | Gas-filled stirring equipment and application thereof |
| CN113976333A (en) * | 2021-10-25 | 2022-01-28 | 中南大学 | Pretreatment method of high-magnetic pyrite-containing type copper ore |
| CN113967540B (en) * | 2021-10-25 | 2022-07-22 | 中南大学 | Gas-filled stirring equipment and application thereof |
| CN113976333B (en) * | 2021-10-25 | 2022-07-22 | 中南大学 | Pretreatment method of high-magnetic pyrite-containing type copper ore |
| CN114632446A (en) * | 2022-03-01 | 2022-06-17 | 浙江长城搅拌设备股份有限公司 | High-efficiency self-suction type gas reaction stirring device |
| CN114632446B (en) * | 2022-03-01 | 2024-08-16 | 浙江长城搅拌设备股份有限公司 | Stirring device for efficient self-priming gas reaction |
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