CN102921558B - Injection, agitation and aspiration combined flotation machine - Google Patents
Injection, agitation and aspiration combined flotation machine Download PDFInfo
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- CN102921558B CN102921558B CN201210464417.4A CN201210464417A CN102921558B CN 102921558 B CN102921558 B CN 102921558B CN 201210464417 A CN201210464417 A CN 201210464417A CN 102921558 B CN102921558 B CN 102921558B
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Abstract
The invention belongs to the flotation technical field of ore grain separation and particularly relates to an injection, agitation and aspiration combined flotation machine. The flotation tank is provided with an inlet and an outlet, the flotation tank is provided with a support, the upper end of the support is provided with a scraper blade, the support is provided with an agitating impeller arranged below the liquid level of the agitation body, the flotation tank is provided with a first baffle and a second baffle which are in parallel to each other and arranged in the vertical direction, the first baffle and the second baffle are arranged along the width direction of the flotation tank, a sleeve which is connected with the support is arranged between the first baffle and the second baffle, the agitating impeller is arranged in the sleeve, the first baffle and the second baffle are respectively provided with a first feeding channel and a second feeding channel which are communicated with the sleeve; an injection device for driving the agitating impeller is arranged on the tank bottom of the flotation tank. The flotation machine has the advantages of both a mechanical agitation type flotation machine and an injection type flotation machine, has good adaptability for the pulp density, low consumption and high flotation efficiency.
Description
Technical field
The invention belongs to the flotation technology field of ore particle separation, be specifically related to the air-breathing hybrid flotation device of a kind of jet agitation.
Background technology
Flotation is also froth flotation, is the difference according to various mineral surfaces character, from ore pulp by means of the buoyancy of bubble, to select the process of minute mineral.At present, it is air jet flotation machine and agitation impeller flotator that mineral processing in China Chang He coal preparation plant applies more flotation device, the advantage of air jet flotation machine is that energy consumption is low, shortcoming is bad to pulp density applicability, agitating device is not set, when pulp density is higher, what ore pulp mixed is short of power; The advantage of agitation impeller flotator is better to pulp density applicability, and shortcoming is that flotation efficiency is lower, and energy consumption is higher.
Summary of the invention
The object of the present invention is to provide the air-breathing hybrid flotation device of a kind of jet agitation, the air-breathing hybrid flotation device of this jet agitation has the advantage of agitation impeller flotator and air jet flotation machine concurrently, and good to pulp density adaptability, energy consumption is low; This flotation device, under the prerequisite that the flowsheet of slurry agitation of variable concentrations can be mixed, can also be realized the operation of the ore pulp in a flotation cell being carried out to high probability flotation, and flotation efficiency is higher.
For achieving the above object, the present invention has adopted following technical scheme: the air-breathing hybrid flotation device of a kind of jet agitation, comprise flotation cell body, on described flotation cell body, be respectively equipped with entrance and exit, the upside of described flotation cell body is provided with support, the upper end of described support is provided with scraper plate, in described flotation cell body, be provided with two the first baffle plate and second baffles that are oppositely arranged, the two ends of described the first baffle plate and second baffle are all connected with the inwall of flotation cell body, and jointly surround and be uniformly mixed region between the plate face that the first baffle plate and second baffle are oppositely arranged and the inwall of flotation cell body, the region that being positioned at of described flotation cell body is uniformly mixed outside, region is concentrate rich region, the top of described the first baffle plate and second baffle is lower than the groove heights of roofs of flotation cell body, and be provided with and be communicated with the gap that is uniformly mixed region and concentrate rich region between the bottom land of described the first baffle plate and second baffle and flotation cell body, described entrance and exit is separately positioned on the both sides that are uniformly mixed region, described scraper plate is separately positioned on the upside that is positioned at the concentrate rich region that is uniformly mixed both sides, region, on described support, be provided with the sleeve of hollow form and drive the ore pulp in flotation cell body being uniformly mixed the agitating device circulating between region and concentrate rich region, agitator arm in agitating device is arranged on and is uniformly mixed in region, and described agitator arm is arranged in sleeve, on described sleeve, be provided with the intracavity inter-connection of sleeve for aspirating the air intake duct of air, on described the first baffle plate, be provided with the first pan feeding passage being connected with barrel bore, on second baffle, be provided with the second pan feeding passage being connected with barrel bore, the bottom land place of described flotation cell body is provided with and the ore pulp in flotation cell body is injected into agitator arm sentences the injection apparatus that agitator arm is rotated.
Meanwhile, the present invention can also be able to further realization by following technical measures:
Preferably, the bottom land upside of described flotation cell body is provided with the false end paralleling with groove bottom, and in injection apparatus, the spout of jet pipe stretches out the upside at the described false end, and jet pipe spout towards the direction that is set to be convenient to drive agitator arm rotation.
Further, the plate face of described the first baffle plate and second baffle is all vertical shape and parallel to each other.
Preferably, described agitating device comprises rotating shaft, on described support, is installed with bearing, and described rotating shaft forms and is rotatably assorted through bearing and with bearing, the lower end of described rotating shaft is stretched in the cylindrical shell of sleeve, and the bottom of rotating shaft is with to be immersed in the agitator arm being uniformly mixed in region affixed.
Further, the position that described air intake duct is connected with sleeve is near the upper end of sleeve.
Further, the height of described entry position is higher than the height of exit position.
Preferably, described the first baffle plate, second baffle are symmetrical arranged along the axis of rotating shaft.
Preferably, described entrance is positioned at the 2/3 high At The Height of bottom-up flotation cell body groove of its place flotation cell body sidewall, and described entrance is positioned at the middle of the lateral attitude of himself place sidewall; Described outlet is positioned at the 1/3 high At The Height of bottom-up flotation cell body groove of its place flotation cell body sidewall, and described outlet is positioned at the middle of the lateral attitude of himself place sidewall.
Further, the top of described flotation cell body is also provided with the first backplate and the second backplate being parallel to each other, described the first backplate is arranged on the top of entrance place sidewall, and the second backplate is arranged on the top of outlet place sidewall, and described scraper plate is fixed on the first backplate and the second backplate.
Beneficial effect of the present invention is: the air-breathing hybrid flotation device of this jet agitation has the advantage of agitation impeller flotator and air jet flotation machine concurrently, and good to pulp density adaptability, energy consumption is low; This flotation device can also carry out high probability flotation to the ore pulp of a flotation cell body inside, not only makes flowsheet of slurry agitation obtain more even, and the precision of flotation is higher, and flotation efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
In figure, the implication of mark is as follows:
1-flotation cell body, 2-entrance 3-export, 4-support, 5-agitator arm
6-the first baffle plate 7-second baffle 8-sleeve the 9-the first pan feeding passage
10-the second pan feeding passage 11-air intake duct 12-rotating shaft 13-bearing
14-the first backplate 15-the second backplate 16-scraper plate 17-jet pipe
18-false the end 19-be uniformly mixed region 20-concentrate rich region
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described:
The air-breathing hybrid flotation device of a kind of jet agitation as shown in Figure 1, comprise flotation cell body 1, on described flotation cell body 1, be respectively equipped with entrance 2 and outlet 3, the upside of described flotation cell body 1 is provided with support 4, the upper end of described support 4 is provided with scraper plate 16, in described flotation cell body 1, be provided with two the first baffle plate 6 and second baffles 7 that are oppositely arranged, the two ends of described the first baffle plate 6 and second baffle 7 are all connected with the inwall of flotation cell body 1, and jointly surround and be uniformly mixed region 19 between the plate face that the first baffle plate 6 and second baffle 7 are oppositely arranged and the inwall of flotation cell body 1, the region that being positioned at of described flotation cell body 1 is uniformly mixed 19 outsides, region is concentrate rich region 20, the top of described the first baffle plate 6 and second baffle 7 is lower than the groove heights of roofs of flotation cell body 1, and be provided with and be communicated with the gap that is uniformly mixed region 19 and concentrate rich region 20 between the bottom land of described the first baffle plate 6 and second baffle 7 and flotation cell body 1, described entrance 2 and outlet 3 are separately positioned on the both sides that are uniformly mixed region 19, described scraper plate 16 is separately positioned on the upside that is positioned at the concentrate rich region 20 that is uniformly mixed 19 both sides, region, on described support 4, be provided with the sleeve 8 of hollow form and drive the ore pulp in flotation cell body 1 being uniformly mixed the agitating device circulating between region 19 and concentrate rich region 20, agitator arm 5 in agitating device is arranged on and is uniformly mixed in region 19, and described agitator arm 5 is arranged in sleeve 8, on described sleeve 8, be provided with the intracavity inter-connection of sleeve 8 for aspirating the air intake duct 11 of air, on described the first baffle plate 6, be provided with the first pan feeding passage 9 with sleeve 8 intracavity inter-connections, on second baffle 7, be provided with the second pan feeding path 10 with sleeve 8 intracavity inter-connections, the bottom land place of described flotation cell body 1 is provided with and the ore pulp in flotation cell body 1 is injected into agitator arm 5 sentences the injection apparatus that agitator arm 5 is rotated.
When real work, the high speed ore pulp spraying in injection apparatus impacts agitator arm 5, and drives agitator arm 5 High Rotation Speeds, thereby agitator arm 5 fully mixes ore pulp, air and floating agent, finally forms a large amount of mineralized froths.
Injection apparatus has multiple implementation, such as the jet pipe that adopts pump and be connected with pump, and makes the spout of jet pipe towards agitator arm 5.
Preferably, as shown in Figure 1, the bottom land upside of described flotation cell body 1 is provided with the false end 18 paralleling with groove bottom, and in injection apparatus, the spout of jet pipe 17 stretches out the upside at the described false end 18, and jet pipe 17 spouts towards the direction that is set to be convenient to drive agitator arm 5 rotations.
Described jet pipe 17 can be set to a plurality of, as long as the direction that a plurality of jet pipe 17 driving agitator arms 5 rotate unanimously.
Preferably, as shown in Figure 1, 2, the plate face of described the first baffle plate 6 and second baffle 7 is all vertical shape and parallel to each other.
Further, described the first baffle plate 6, second baffle 7 are symmetrical arranged along the axis of rotating shaft 12.
Preferably, as shown in Figure 1, described agitating device comprises rotating shaft 12, on described support 4, be installed with bearing 13, described rotating shaft 12 forms and is rotatably assorted through bearing 13 and with bearing 13, the lower end of described rotating shaft 12 is stretched in the cylindrical shell of sleeve 8, and the bottom of rotating shaft 12 is with to be immersed in the agitator arm 5 being uniformly mixed in region 19 affixed.
Further, as shown in Figure 1, the position that described air intake duct 11 is connected with sleeve 8 is near the upper end of sleeve 8.
Further, the height of described entrance 2 positions is higher than the height of outlet 3 positions.
Preferably, described entrance 2 is positioned at the 2/3 high At The Height of bottom-up flotation cell body groove of its place flotation cell body sidewall, and described entrance 2 is positioned at the middle of the lateral attitude of himself place sidewall; Described outlet 3 is positioned at the 1/3 high At The Height of bottom-up flotation cell body groove of its place flotation cell body sidewall, and described outlet 3 is positioned at the middle of the lateral attitude of himself place sidewall.
Further, as shown in Figure 1, the top of described flotation cell body 1 is also provided with the first backplate 14 and the second backplate 15 being parallel to each other, described the first backplate 14 is arranged on the top of entrance 2 place sidewalls, the second backplate 15 is arranged on the top of outlet 3 place sidewalls, and described scraper plate 16 is fixed on the first backplate 14 and the second backplate 15.Also the first backplate 14, the second backplate 15 are along entrance 2 and the upper end that exports 3 place sidewalls, to extend upward formation respectively to said structure; And scraper plate 16 arranges two, and scraper plate 16 is symmetricly set on the both sides that are uniformly mixed region 19 along rotating shaft 12.
Below in conjunction with Fig. 1,2 pairs of courses of work of the present invention, be described further:
Four to six flotation cell bodies of flotation device operated by rotary motion, the structure of each flotation cell body is all identical, has provided a flotation cell body 1 to describe in Fig. 1.
Flotation cell body 1 interior zone is separated into and is uniformly mixed region 19 and concentrate rich region 20 by the first baffle plate 6, second baffle 7.What ore pulp entered flotation cell body 1 from entrance 2 is uniformly mixed region 19, and the motion path of ore pulp in flotation cell body 1 is referring to shown in the arrow in Fig. 1.
The high speed ore pulp spraying in injection apparatus impacts agitator arm 5, and drive agitator arm 5 High Rotation Speeds, the agitator arm 5 of High Rotation Speed can make the top of agitator arm 5 form negative pressure, described concentrate rich region 20 be uniformly mixed region 19 and be provided with the first pan feeding passage 9 and the second pan feeding path 10 that is communicated with the two, wherein the first pan feeding passage 9 is for being drawn to agitator arm 5 places by the ore pulp between the first baffle plate 6 and the cell wall of flotation cell body 1, the second pan feeding path 10 is drawn to agitator arm 5 places by the ore pulp between second baffle 7 and flotation cell body 1 cell wall, the ore pulp being inhaled into stirs through agitator arm 5, air can be inhaled into agitator arm 5 by air intake duct 11 and sleeve 8 and sentence the bubble population that it is suitable that formation is taken measurements greatly simultaneously, agitator arm 5 continues High Rotation Speed and ore pulp, air and floating agent is fully mixed, finally form a large amount of mineralized froths, described mineralized froth floats up to from all side direction of agitator arm 5 liquid level that is uniformly mixed region 19, when actual motion, the mineral pulp level of the concentrate rich region 20 of the first baffle plate 6 and second baffle 7 both sides can be lower than the mineral pulp level that is uniformly mixed region 19 between the first baffle plate 6 and second baffle 7, so mineralized froth will be crossed concentrate rich region 20 motions of both sides to the left and right and overflowing respectively of the first baffle plate 6 and second baffle 7, the mineralized froth entering on concentrate rich region 20 liquid levels will be scraped flotation cell body 1 by scraper plate 16 as concentrate product, the mineralized froth not being scraped can sink and again be sucked into agitator arm 5 places by the first pan feeding passage 9 and the second pan feeding path 10 in concentrate rich region 20, again to carry out flotation, the ore pulp that is deposited to flotation cell body 1 bottom enters next cell body by outlet 3 and carries out flotation.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection domain of the claims in the present invention book.
Claims (9)
1. the air-breathing hybrid flotation device of jet agitation, comprise flotation cell body (1), on described flotation cell body (1), be respectively equipped with entrance (2) and outlet (3), the upside of described flotation cell body (1) is provided with support (4), the upper end of described support (4) is provided with scraper plate (16), it is characterized in that: in described flotation cell body (1), be provided with two the first baffle plates (6) that are oppositely arranged and second baffle (7), the two ends of described the first baffle plate (6) and second baffle (7) are all connected with the inwall of flotation cell body (1), and jointly surround and be uniformly mixed region (19) between the plate face that the first baffle plate (6) and second baffle (7) are oppositely arranged and the inwall of flotation cell body (1), the region that being positioned at of described flotation cell body (1) is uniformly mixed outside, region (19) is concentrate rich region (20), the top of described the first baffle plate (6) and second baffle (7) is lower than the groove heights of roofs of flotation cell body (1), and be provided with and be communicated with the gap that is uniformly mixed region (19) and concentrate rich region (20) between the bottom land of described the first baffle plate (6) and second baffle (7) and flotation cell body (1), described entrance (2) and outlet (3) are separately positioned on the both sides that are uniformly mixed region (19), described scraper plate (16) is separately positioned on the upside that is positioned at the concentrate rich region (20) that is uniformly mixed both sides, region (19), on described support (4), be provided with the sleeve (8) of hollow form and drive the ore pulp in flotation cell body (1) being uniformly mixed the agitating device circulating between region (19) and concentrate rich region (20), agitator arm in agitating device (5) is arranged on and is uniformly mixed in region (19), and described agitator arm (5) is arranged in sleeve (8), on described sleeve (8), be provided with the intracavity inter-connection of sleeve (8) for aspirating the air intake duct (11) of air, on described the first baffle plate (6), be provided with the first pan feeding passage (9) with sleeve (8) intracavity inter-connection, on second baffle (7), be provided with the second pan feeding passage (10) with sleeve (8) intracavity inter-connection, the bottom land place of described flotation cell body (1) is provided with and the ore pulp in flotation cell body (1) is injected into agitator arm (5) sentences the injection apparatus that agitator arm (5) is rotated.
2. the air-breathing hybrid flotation device of jet agitation according to claim 1, it is characterized in that: the bottom land upside of described flotation cell body (1) is provided with the false end (18) paralleling with groove bottom, the spout of jet pipe in injection apparatus (17) stretches out the upside at the described false end (18), and jet pipe (17) spout towards the direction that is set to be convenient to drive agitator arm (5) rotation.
3. the air-breathing hybrid flotation device of jet agitation according to claim 1, is characterized in that: the plate face of described the first baffle plate (6) and second baffle (7) is all vertical shape and parallel to each other.
4. the air-breathing hybrid flotation device of jet agitation according to claim 1, it is characterized in that: described agitating device comprises rotating shaft (12), on described support (4), be installed with bearing (13), described rotating shaft (12) forms and is rotatably assorted through bearing (13) and with bearing (13), the lower end of described rotating shaft (12) is stretched in the cylindrical shell of sleeve (8), and the bottom of rotating shaft (12) is with to be immersed in the agitator arm (5) being uniformly mixed in region (19) affixed.
5. the air-breathing hybrid flotation device of jet agitation according to claim 1, is characterized in that: the position that described air intake duct (11) is connected with sleeve (8) is near the upper end of sleeve (8).
6. the air-breathing hybrid flotation device of jet agitation according to claim 1, is characterized in that: the height of described entrance (2) position is higher than the height of outlet (3) position.
7. the air-breathing hybrid flotation device of jet agitation according to claim 4, is characterized in that: described the first baffle plate (6), second baffle (7) are symmetrical arranged along the axis of rotating shaft (12).
8. the air-breathing hybrid flotation device of jet agitation according to claim 6, it is characterized in that: described entrance (2) is positioned at the 2/3 high At The Height of bottom-up flotation cell body groove of its place flotation cell body sidewall, and described entrance (2) is positioned at the middle of the lateral attitude of himself place sidewall; Described outlet (3) is positioned at the 1/3 high At The Height of bottom-up flotation cell body groove of its place flotation cell body sidewall, and described outlet (3) is positioned at the middle of the lateral attitude of himself place sidewall.
9. the air-breathing hybrid flotation device of jet agitation according to claim 8, it is characterized in that: the top of described flotation cell body (1) is also provided with the first backplate (14) and the second backplate (15) being parallel to each other, described the first backplate (14) is arranged on the top of entrance (2) place sidewall, the second backplate (15) is arranged on the top of outlet (3) place sidewall, and described scraper plate (16) is fixed on the first backplate (14) and the second backplate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464417.4A CN102921558B (en) | 2012-11-16 | 2012-11-16 | Injection, agitation and aspiration combined flotation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464417.4A CN102921558B (en) | 2012-11-16 | 2012-11-16 | Injection, agitation and aspiration combined flotation machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102921558A CN102921558A (en) | 2013-02-13 |
| CN102921558B true CN102921558B (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210464417.4A Expired - Fee Related CN102921558B (en) | 2012-11-16 | 2012-11-16 | Injection, agitation and aspiration combined flotation machine |
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| CN (1) | CN102921558B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542714A (en) * | 2015-09-18 | 2017-03-29 | 山东浩海疏浚装备有限公司 | A kind of sludge solidification pumps integrated vehicle |
| CN105642451B (en) * | 2016-03-18 | 2018-02-23 | 安徽理工大学 | A kind of reaction type annular space injection air-breathing agitation type flotation machine for carrying fairing |
| CN107213994B (en) * | 2017-06-14 | 2019-04-05 | 安徽理工大学 | A kind of ore pulp self-driving type flotation unit having high-pressure jet agitating function |
| CN109569896B (en) * | 2018-12-03 | 2021-03-02 | 严园妹 | Device for improving flotation and reducing scaling |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4220612A (en) * | 1979-04-23 | 1980-09-02 | Envirotech Corporation | Flotation cell feed duct |
| US5472094A (en) * | 1993-10-04 | 1995-12-05 | Electric Power Research Institute | Flotation machine and process for removing impurities from coals |
| CN101322960B (en) * | 2008-05-16 | 2010-09-22 | 唐山国华科技有限公司 | Immersed inflating and stirring device of injection type floatation cell for coal separation |
| CN202343328U (en) * | 2011-11-01 | 2012-07-25 | 陈晥宁 | Coal jet flotation machine |
| CN202893516U (en) * | 2012-11-16 | 2013-04-24 | 安徽理工大学 | Spraying stirring air-absorption mixture type flotation machine |
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2012
- 2012-11-16 CN CN201210464417.4A patent/CN102921558B/en not_active Expired - Fee Related
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Inventor after: Zhu Jinbo Inventor after: Zhu Hongzheng Inventor after: Zhou Gang Inventor after: Wang Chao Inventor after: Fei Zhikui Inventor before: Zhu Hongzheng Inventor before: Zhu Jinbo Inventor before: Wang Mengmeng Inventor before: Duan Yulei Inventor before: Liu Lingyun |
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Free format text: CORRECT: INVENTOR; FROM: ZHU HONGZHENG ZHU JINBO WANG MENGMENG DUAN YULEI LIU LINGYUN TO: ZHU JINBO ZHU HONGZHENG ZHOU GANG WANG CHAO FEI ZHIKUI |
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Granted publication date: 20140212 Termination date: 20151116 |