CN101020162A - Jetting and sucking floatation machine - Google Patents
Jetting and sucking floatation machine Download PDFInfo
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- CN101020162A CN101020162A CN 200710048657 CN200710048657A CN101020162A CN 101020162 A CN101020162 A CN 101020162A CN 200710048657 CN200710048657 CN 200710048657 CN 200710048657 A CN200710048657 A CN 200710048657A CN 101020162 A CN101020162 A CN 101020162A
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Abstract
The jetting and sucking floatation machine capable of treating low grade raw ore in great amount includes jetting and sucking floatation tank with concentrate overflow port and ore pulp conveying unit, and reflecting unit fixed below the ore pulp conveying unit. The reflecting unit can alter the flow direction of ore pulp to promote the upwards floatation of mineral-carrying bubbles, increase floating time, and raise concentrate yield and mineral recovering rate.
Description
Technical field
The present invention relates to industrial raw material is carried out the equipment of flotation, especially relate to a kind of jetting and sucking floatation machine that can handle low-grade ore.
Background technology
At present, existing floatation equipment divides four big classes (according to inflation and alr mode branch):
1, mechanical agitation type: its operation principle is for relying on mechanical agitator, and (rotor and stator pack are promptly inflated stirring structure) realized the ore pulp inflation and stirred.Its shortcoming is that consumable accessory is many, and is difficult in maintenance, and mineral syrup liquid is not steady.2, inflation stirring-type: its operation principle is that mechanical agitator only plays the effect of stirring ore pulp and distribution air-flow, and main outer the blower fan of air is pressed into.Shortcoming is: the returning of intermediate products needs sand pump to raise to send, bring certain trouble to production management, in addition, also want special-purpose blowing device.3, pneumatic flotation cell (flotation column): its operation principle is: top feeds ore pulp, and bottom ore discharge, ore pulp flow from top to bottom, and air charges into the formation convection current from the bottom.Shortcoming is: the easy fouling of aerator in the alkaline ore pulp, corollary equipment many (sand pump, air compressor machines) and air compressor machine is not general, require high.4, gas is separated out the formula flotation device: this is that a class can be separated out the flotation device that microvesicle is a feature from solution, and domestic representative products is the XPM cyclo cell flotation machine.XPM type flotation machine shortcoming is: the unit treating capacity is less, and the cyclone abrasion are high, and complex structure is difficult in maintenance.
The discarded tailing of existing ore dressing enterprise, the grade of metal target mineral between 0.02%-2%, the zinc metal between 0.5%-2% (these data are controlled by raw ore washability and selected grade) wherein.Use above traditional preparation equipment, infeasible economically because of reasons such as treating capacity, energy consumption, investments, so making true tailings to the mine tailing of this grade, existing ore dressing enterprise throws useless the processing, wasted national resources.
In four kinds of preparation equipments mentioning in the above, gas is separated out the formula flotation device and is comprised the jet absorption type flotation cell that is provided with concentrate overfall, ore pulp conveying device, and the ore pulp conveying device exceeds liquid level, and the concentrate overfall is arranged on the top of jet absorption type flotation cell.This gas is separated out formula flotation function and is separated out microvesicle carry out mineral floating from ore pulp solution, but its unit treating capacity is little, and abrasion height very to flotation cell inner eddy flow device, so when mine tailing is especially handled low-grade mine tailing, can not carry out a large amount of processing, have a strong impact on the rate of recovery of ore dressing.
Summary of the invention
Technical problem to be solved by this invention provides a kind of jetting and sucking floatation machine that can handle in a large number low-grade mine tailing.
The technical solution adopted for the present invention to solve the technical problems is: jetting and sucking floatation machine, comprise the jet absorption type flotation cell that is provided with concentrate overfall, ore pulp conveying device, and be set with reflection unit in the lower end of ore pulp conveying device.By the reflection unit that is provided with change flow of slurry to, make the ore pulp that originally flows downward do motion upwards, the such motion mode of ore pulp helps the come-up with the ore deposit microvesicle, can significantly increase the productive rate and the recovery rate in ore-dressing of equipment.
As the preferred version of technique scheme, described jet absorption type flotation cell comprises rectangle part and tapering part, and reflection unit is arranged on the bottom of rectangle part.By reflection unit being arranged on the bottom of rectangle part, make ore pulp after reflection unit up flows, can separate out microvesicle fully, increased the stroke of bubble floating, playing increases the probability that ore particle contacts with bubble; Increase the holdup time of ore pulp in cell body simultaneously, prolonged ore dressing time raising ore dressing casting yield, so just improved the productive rate and the recovery rate in ore-dressing of equipment.
Further be that described reflection unit is horizontally set on the center line of jet absorption type flotation cell.By reflection unit is horizontally set on the center line of jet absorption type flotation cell, make ore pulp reach unanimity at the mobile of all directions, can reduce the vibrations of band ore deposit microvesicle are damaged, improved the productive rate and the recovery rate in ore-dressing of equipment.
Further be that described ore pulp conveying device is the bubble mineralization pipe.Be set to the bubble mineralization pipe by the ore pulp conveying device, can reduce ore pulp came off the ore particle in the band ore deposit microvesicle that has formed because of big concussion before reflection unit, both can play pulverization to big bubble, increase gas-liquid interface, can increase the probability of ore particle and bubble hit again, strengthen floatation process, thereby improved the productive rate and the recovery rate in ore-dressing of equipment.
Further be, in the jet absorption type flotation cell, be provided with the level control groove, in the level control groove, be provided with liquid level regulation apparatus.By the liquid level regulation apparatus that is provided with, thereby can regulate froth bed thickness by the interior mineral syrup liquid of flexible modulation cell body, and then adjust the grade of product.
Further be to be provided with stabilier in jet absorption type flotation cell internal fixation.By the stabilier that is provided with, can play and reduce ore pulp turbulent flow, steadily liquid level and the fixedly effect of bubble mineralization pipe, improved the productive rate and the recovery rate in ore-dressing of equipment.
Further be, be provided with air agitator, be connected to one by the grout outlet that is arranged on the air agitator on the top of jet absorption type flotation cell.
Further be, air agitator by pulp-inlet pipe, high-voltage rectifying chamber, nozzle, mixing chamber and grout outlet from top to bottom order form, also be provided with air intake duct in the side of mixing chamber, be provided with the air volume regulating valve door at the entrance point of air intake duct.By side the air intake duct of being with the air volume regulating valve door is set also, makes and the flexible modulation inspiratory capacity to reach the purpose that inflation is stirred at mixing chamber.
Further be that the pulp-inlet pipe of air agitator, nozzle, grout outlet and ore pulp conveying device radial concentric are provided with.
Further be, described air agitator is connected with sand pump by pulp-inlet pipe,, the specific discharge of sand pump is greater than the specific discharge of nozzle.Be set at specific discharge by specific discharge, make nozzle under the situation of wearing and tearing, still can reach the expulsion pressure of setting greater than nozzle with sand pump.
The invention has the beneficial effects as follows: by the reflection unit that is provided with change flow of slurry to, make the ore pulp that originally flows downward do motion upwards, the such motion mode of ore pulp helps the come-up with the ore deposit microvesicle, can significantly increase the productive rate and the recovery rate in ore-dressing of equipment.By reflection unit is horizontally set on the center line of jet absorption type flotation cell, make ore pulp reach unanimity at the mobile of all directions, can reduce the vibrations of band ore deposit microvesicle are damaged, improved the productive rate and the recovery rate in ore-dressing of equipment.By reflection unit being arranged on the bottom of rectangle part, make ore pulp after reflection unit up flows, can separate out microvesicle fully, improve the productive rate and the recovery rate in ore-dressing of equipment.Be set to the bubble mineralization pipe by the ore pulp conveying device, can reduce ore pulp came off the ore particle in the band ore deposit microvesicle that has formed because of big concussion before reflection unit, both can play pulverization to big bubble, increase gas-liquid interface, can increase the probability of ore particle and bubble hit again, strengthen floatation process, thereby improved the productive rate and the recovery rate in ore-dressing of equipment, saved national resource.This jetting and sucking floatation machine is when the zinc mine tailing of handling 0.7%, product grade reaches 7%-15%, far above the requirement of industry to the selected grade (4-10%) of raw ore, be adapted at industrial raw material is carried out applying in the flotation, apply on the jetting and sucking floatation machine that is particluarly suitable for low-grade ore is handled.
Description of drawings
Fig. 1 is a structure cutaway view of the present invention.
Fig. 2 is a jet absorption type flotation cell side view of the present invention.
Be labeled as sand pump 1, pulp-inlet pipe 2, nozzle 3, air intake duct 4, grout outlet 5, concentrate overfall 6, concentrate overflow pipe 7, ore pulp conveying device 8, reflection unit 9, accident sediment ejection opening 10, stabilier 11, discharge pipe 12, level control groove 13, air agitator 14, jet absorption type flotation cell 15, high-voltage rectifying chamber 16, mixing chamber 17, air volume regulating valve door 18, liquid level regulation apparatus 19 among the figure.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
As shown in Figure 1 and Figure 2, jetting and sucking floatation machine of the present invention comprises the jet absorption type flotation cell 15 that is provided with concentrate overfall 6, ore pulp conveying device 8, is set with reflection unit 9 in the lower end of ore pulp conveying device 8.By the reflection unit 9 that is provided with change flow of slurry to, make the ore pulp that originally flows downward do motion upwards, the such motion mode of ore pulp helps the come-up with the ore deposit microvesicle, can significantly increase the productive rate and the recovery rate in ore-dressing of equipment.Reflection unit 9 can be to make with various material, as adopting metallic plate, high-strength plastic flitch etc.
As the preferred implementation of above-mentioned embodiment, described jet absorption type flotation cell 15 comprises rectangle part and tapering part, and reflection unit 9 is arranged on the bottom of rectangle part.By reflection unit 9 being arranged on the bottom of rectangle part, make ore pulp after reflection unit 9 up flows, can separate out microvesicle fully, increased the stroke of bubble floating, play the effect that increases ore particle and bubble contact probability; Increase the holdup time of ore pulp in cell body simultaneously, prolonged ore dressing time raising ore dressing casting yield, improved the productive rate and the recovery rate in ore-dressing of equipment.Also can be according to the degree of depth and the volume of jet absorption type flotation cell 15, can separate out microvesicle fully is that purpose is provided with the position of reflection unit 9 in jet absorption type flotation cell 15, as groove depth 1.8-2m, the flotation cell that volume is 0.9 cubic metre, reflection unit 9 is that 900～1200mm is advisable apart from the distance of concentrate overfall 6.
For ore pulp is reached unanimity to the mobile of all directions after reflection, described reflection unit 9 is horizontally set on the center line of jet absorption type flotation cell 15.So just make ore pulp reach unanimity, can reduce the vibrations of band ore deposit microvesicle are damaged, improved the productive rate and the recovery rate in ore-dressing of equipment at the mobile of all directions.
And before arriving reflection unit 9, the ore particle in the band ore deposit microvesicle that has formed is come off because of big concussion for fear of ore pulp, can adopt the bubble mineralization pipe as ore pulp conveying device 8, described bubble mineralization pipe can be to adopt materials such as iron pipe, plastic tube to make, certainly ore pulp conveying device 8 also can be that the apparatus-form that adopts cyclone etc. ore pulp can be transported in the flotation cell realizes, but preferably preferentially selects the bubble mineralization pipe for use.Ore pulp is carried by the bubble mineralization pipe, can reduce ore pulp came off the ore particle in the band ore deposit microvesicle that has formed because of big concussion before reflection unit 9, both can play pulverization to big bubble, increase gas-liquid interface, can increase the probability of ore particle and bubble hit again, strengthen floatation process, thereby improved the productive rate and the recovery rate in ore-dressing of equipment.In order to realize well that ore pulp up flows after running into reflection unit 9, the distance of bubble mineralization pipe and reflection unit 9 preferably is set to 50～80mm.
For thereby mineral syrup liquid in the energy flexible modulation cell body is regulated froth bed thickness, and then adjust the grade of product, in jet absorption type flotation cell 15, be provided with level control groove 13, in level control groove 13, be provided with liquid level regulation apparatus 19.And liquid level regulation apparatus 19 can adopt various forms such as gate valve, plug.
In order to reduce ore pulp turbulent flow, steadily liquid level and fixing bubble mineralization pipe, improve the productive rate and the recovery rate in ore-dressing of equipment, be provided with stabilier 11 in jet absorption type flotation cell 15 internal fixation, stabilier 11 can adopt sandwich construction, as the 4-5 layer.Distance 〉=350mm that orlop stabilier 11 and reflection unit 9 are suitable for reading, the distance 〉=100mm of the superiors' stabilier 11 and concentrate overfall 6, the plate of stabilier 11 and the distance between plate are 300 ~ 400mm.
In order the flexible modulation inspiratory capacity to reach the purpose that inflation is stirred, air agitator 14 is made of with grout outlet 5 from top to bottom in proper order pulp-inlet pipe 2, high-voltage rectifying chamber 16, nozzle 3, mixing chamber 17, side at mixing chamber 17 also is provided with air intake duct 4, is provided with air volume regulating valve door 18 at the entrance point of air intake duct 4.
In order to improve the productive rate and the recovery rate in ore-dressing of equipment better.When mounted with the pulp-inlet pipe 2 of air agitator 14, nozzle 3, grout outlet 5 and the 8 radial concentric settings of ore pulp conveying device.
In order to make nozzle 3 under the situation of wearing and tearing, still can reach the expulsion pressure of setting, described air agitator 14 is connected with sand pump 1 by pulp-inlet pipe 2, and the specific discharge of sand pump 1 is greater than the specific discharge of nozzle 3.
In the above embodiment, can be according to the size of jet absorption type flotation cell 15 and the quantity of relative set reflection unit 9 and bubble mineralization pipe, when jet absorption type flotation cell 15 is bigger, a plurality of reflection units 9 and bubble mineralization pipe can be set, these can be configured according to different concrete occasions, repeat no more here.
Claims (10)
1, jetting and sucking floatation machine comprises the jet absorption type flotation cell (15) that is provided with concentrate overfall (6), ore pulp conveying device (8), it is characterized in that: be set with reflection unit (9) in the lower end of ore pulp conveying device (8).
2, jetting and sucking floatation machine as claimed in claim 1 is characterized in that: described jet absorption type flotation cell (15) comprises rectangle part and tapering part, and reflection unit (9) is arranged on the bottom of rectangle part.
3, jetting and sucking floatation machine as claimed in claim 2 is characterized in that: described reflection unit (9) is horizontally set on the center line of jet absorption type flotation cell (15).
4, jetting and sucking floatation machine as claimed in claim 1 is characterized in that: described ore pulp conveying device (8) is the bubble mineralization pipe.
5, jetting and sucking floatation machine as claimed in claim 1 is characterized in that: be provided with level control groove (13) in jet absorption type flotation cell (15), be provided with liquid level regulation apparatus (19) in level control groove (13).
6, jetting and sucking floatation machine as claimed in claim 1 is characterized in that: be provided with stabilier (11) in jet absorption type flotation cell (15) internal fixation.
7, as any described jetting and sucking floatation machine of claim in the claim 1～6, it is characterized in that: be provided with air agitator (14) on the top of jet absorption type flotation cell (15), be connected to one by the grout outlet (5) that is arranged on the air agitator (14).
8, jetting and sucking floatation machine as claimed in claim 6, it is characterized in that: air agitator (14) is made of with grout outlet (5) from top to bottom in proper order pulp-inlet pipe (2), high-voltage rectifying chamber (16), nozzle (3), mixing chamber (17), also be provided with air intake duct (4) in the side of mixing chamber (17), be provided with air volume regulating valve door (18) at the entrance point of air intake duct (4).
9, jetting and sucking floatation machine as claimed in claim 7 is characterized in that: the pulp-inlet pipe (2) of air agitator (14), nozzle (3), grout outlet (5) and ore pulp conveying device (8) radial concentric setting.
10, jetting and sucking floatation machine as claimed in claim 7 is characterized in that: described air agitator (14) is connected with sand pump (1) by pulp-inlet pipe (2), and the specific discharge of sand pump (1) is greater than the specific discharge of nozzle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710048657 CN101020162A (en) | 2007-03-16 | 2007-03-16 | Jetting and sucking floatation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710048657 CN101020162A (en) | 2007-03-16 | 2007-03-16 | Jetting and sucking floatation machine |
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| Publication Number | Publication Date |
|---|---|
| CN101020162A true CN101020162A (en) | 2007-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710048657 Pending CN101020162A (en) | 2007-03-16 | 2007-03-16 | Jetting and sucking floatation machine |
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| CN (1) | CN101020162A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897437A (en) * | 2015-06-01 | 2015-09-09 | 金川集团股份有限公司 | Automatic sampling device and method for nelson effluent concentrate |
| CN105022302A (en) * | 2015-08-11 | 2015-11-04 | 中国黄金集团内蒙古矿业有限公司 | Mixed concentration grade control system and control method |
-
2007
- 2007-03-16 CN CN 200710048657 patent/CN101020162A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897437A (en) * | 2015-06-01 | 2015-09-09 | 金川集团股份有限公司 | Automatic sampling device and method for nelson effluent concentrate |
| CN105022302A (en) * | 2015-08-11 | 2015-11-04 | 中国黄金集团内蒙古矿业有限公司 | Mixed concentration grade control system and control method |
| CN105022302B (en) * | 2015-08-11 | 2018-01-09 | 中国黄金集团内蒙古矿业有限公司 | Mix featured goods level controlling system and control method |
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