CN104772231A - Complete equipment for pre-desliming floatation - Google Patents
Complete equipment for pre-desliming floatation Download PDFInfo
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- CN104772231A CN104772231A CN201510191686.1A CN201510191686A CN104772231A CN 104772231 A CN104772231 A CN 104772231A CN 201510191686 A CN201510191686 A CN 201510191686A CN 104772231 A CN104772231 A CN 104772231A
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Abstract
The invention belongs to the technical field of mineral separation and particularly relates to complete equipment for pre-desliming floatation. A self-interference elastic rectifying and desliming unit is arranged, and an inclined rectifying hole formed by an inclined plate is adopted as a rectifying device, so that particle settlement is accelerated while turbulent flow is changed into laminar flow, and the settlement time is shortened; the rectifying device adopts a diversion channel of which the cross section is wide in upper part and narrow in lower part, and high-speed flows are formed and form convection interference on a material flow at the bottom of a first material drainage channel in a self-interference mixing area, so that the materials are subjected to interfered settling, the separation of clean ash from fine silt is accelerated, floatation feed materials are subjected to pre-desliming, and further the viscosity of the floatation feed materials is reduced; meanwhile, a connecting rod injection stirring air suction mechanism is adopted; air suction spray nozzles are adopted for injecting an impeller in an air chamber and drive a connecting rod stirring impeller in a floatation tank, so that the resistance of an injection water body is overcome, energy consumption is greatly reduced, ore pulp with different concentrations is fully mixed under the reasonable impeller stirring action and provides enough suction intensity, and the floatation efficiency is improved.
Description
Technical field
The invention belongs to sorting mineral technical field, be specifically related to a kind of pre-de slime flotation complete set of equipments.
Background technology
In wet coal preparation process, be mixed into clay minerals in coal seam and meet after water soaking by argillization, be dispersed into thin mud, accumulate in float coal slurry.High grey fine slime flotation speed is fast, causes foam " to be clamminess ", brings difficulty to follow-up floatation clean coal dewatering operation.Thin mud specific area is large simultaneously, and " trying to be the first " absorption floating agent, makes general coal grain not obtain medicament.The difficulty of general coal grain and bubble adhesion is increased, worsens flotation effect, produce totally unfavorable, so be necessary to select front desliming to coal preparation plant's coal slime to coal separation.And existing floatation feed desliming pond floor space is large, and ascending current is become laminar flow from turbulent flow, the time period by the vertical tube pencil fairing adopted, and free settling is insufficient.Simultaneously in flotation stage, for conventional air jet flotation machine because of not arranging agitating device, when pulp density is higher, can not provide enough power to realize ore pulp, bubble, floating agent abundant mixing disperse; And the energy consumption that the high rotating speed of the agitating device of agitation impeller flotator needs is higher, and the low flow field that can not be formed of rotating speed and inspiratory capacity, and novel injection air-breathing rabbling mechanism floods injection stream close to plume due to the ore pulp of jet segment, spray energy major part to be consumed by ore pulp, therefore ejection efficiency subtracts greatly, stirring efficiency is subtracted greatly, and flow field is stirred in interference.
Summary of the invention
The object of the present invention is to provide a kind of pre-de slime flotation complete set of equipments, this equipment, by arranging self-interference elasticity rectification desliming unit, effectively carries out predictive desliming to floatation feed, improve flotation desliming effect, and floor space is little; Adopt connecting rod jet agitation suction mechanism simultaneously, overcome injection water body resistance, reduce energy consumption, make the ore pulp of variable concentrations also can fully mix and provide enough inspiratory capacities under lower impeller stirring action, improve flotation efficiency.
For achieving the above object, present invention employs following technical scheme: a kind of pre-de slime flotation complete set of equipments, comprises self-interference elasticity rectification desliming unit, pump for mortar transmission, feed pipe for mortar, support and connecting rod jet agitation induced air floatation device.
Described self-interference elasticity rectification desliming unit comprises ore pulp and enters feed bin, the first feeding pipe, self-interference elasticity rectification desliming device, underflow collecting bin.
Described ore pulp enters feed bin and is arranged at above self-interference elasticity rectification desliming device, and described ore pulp enters feed bin upper end and is provided with the first feeding mouth, limit wall is provided with uniformly the ore pulp be connected with the first feeding pipe and distributes discharging opening;
Described self-interference elasticity rectification desliming device, is positioned at ore pulp and enters below feed bin, is set to multiple and is roundedly uniformly distributed, mainly comprise pan feeding valve, inclination casing, overfall, split-flow baffles, drainage dividing plate, elasticity tilts to restrain fairing, first material drainage channel, the second material drainage channel, hang plate, rectification hole, overflow plate, self-interference mixed zone, underflow valve, the first underflow opening, spring.
Described pan feeding valve is positioned at ore pulp and enters feed bin bottom, and be connected with the first feeding pipe, aperture is adjustable, for controlling the size of feeding; Described inclination casing upper end is connected with pan feeding valve, and for the sorting of material, outer setting has overfall, and inside arranges split-flow baffles, drainage dividing plate and elasticity and tilts to restrain rectification mechanism; Described split-flow baffles is placed in inclination box house and is positioned at pan feeding valve lower end, pan feeding stream is divided into two parts, upper left side forms the first material drainage channel with the same drainage dividing plate being placed in inclination box house, lower right and dump box intracoelomic cavity form the second material drainage channel, described drainage dividing plate is placed in inclination box house, lower right and split-flow baffles form the first material drainage channel, tilt to restrain rectification mechanism between upper left side and dump box intracoelomic cavity for placing elasticity; It is parallel with drainage dividing plate that described elasticity tilts to restrain rectification mechanism, is provided with the latticed rectification hole that the cross section surrounded by hang plate is parallelogram above; Describedly be set to the cell body identical with the casing width that tilts, and upper right side connects with the overfall of dump box external body; Described self-interference mixed zone is positioned at the first material drainage channel and the second material drainage channel lower end of inclination casing; Described underflow valve, is positioned at elasticity and tilts to restrain rectification mechanism lower end, for controlling the first underflow opening discharge underflow product.
Preferred: the upper end of described split-flow baffles is arranged on drainage dividing plate side, lower end is arranged on inclination casing side, the second material drainage channel cross section is made to be formed as trapezoidal shape, thus obtain high velocity stream at the second material drainage channel, in self-interference mixed zone, convection current interference is formed to stream bottom the first material drainage channel, thus make material carry out hindered falling sorting, ensure that thin mud is fully separated with cleaned coal, reduce floatation feed viscosity, improve flotation efficiency.
Preferred: the corner of described elasticity inclination tube bank rectification mechanism top and bottom is provided with the spring for connecting inclination casing and drainage dividing plate, thus elasticity the is tilted different automatic fine tuning height of buoyancy that tube bank rectification mechanism can produce according to the difference of feed thickness and feeding, ensure that overflow material has the rational time to carry out hindered falling, thus ensure effectively removing of thin mud material.
Preferred: described elasticity tilts to restrain rectification mechanism and is made up of hang plate, shortens particles settling distance, increases settling area, shorten the sedimentation time, reach rapid subsidence, add sedimentation frequency; Simultaneously hang plate composition cross section is that the rectification hole of parallelogram makes ascending current become laminar flow from turbulent flow, prevents whirlpool from being formed, raising desliming efficiency.
Described underflow collecting bin is positioned in the middle of each self-interference elasticity rectification desliming device, and described underflow collecting bin limit wall is provided with the second feeding mouth of the first underflow opening for connecting self-interference elasticity rectification desliming device uniformly; Described underflow collecting bin lower end is provided with the second underflow opening.
Described support is positioned at below self-interference elasticity rectification desliming unit, for supporting self-interference elasticity rectification desliming unit.
Described pump for mortar transmission is fixed on support, and the entrance of described pump for mortar transmission is connected with the second underflow opening of underflow collecting bin, and the outlet of described pump for mortar transmission is connected with feed pipe for mortar one end.
Described connecting rod jet agitation induced air floatation device comprises flotation cell, runing rest, connecting rod jet agitation suction mechanism.
Described flotation cell cell body establishes ore pulp import and slurry outlet respectively; The ore pulp import of described flotation cell is connected with the other end of feed pipe for mortar; The upside of described flotation cell is provided with runing rest, described runing rest is provided with scraper plate, dividing plate one and dividing plate two is provided with in the middle of described flotation cell, described dividing plate one be connected with the two ends inwall of flotation cell respectively with the two ends of dividing plate two and top all lower than the height of runing rest, region between described flotation cell inwall and dividing plate one, dividing plate two is concentrate secondary enrichment region, described scraper plate is separately positioned on the upside of concentrate secondary enrichment region, is provided with the false end and is positioned at false beneath square through hole bottom described flotation cell.
Described connecting rod jet agitation suction mechanism comprises injection Rotary District, and guiding region, is uniformly mixed district, connecting rod impeller mechanism.
Described injection Rotary District is positioned on the upside of runing rest, by blending bunker, and the 3rd feeding mouth, the second feeding pipe, floating agent adding tube, stir chamber, sprays gas absorption spray, bearing holddown groove, the first air intake duct, and automatic regulating valve is formed; Described blending bunker presents " U " type shape of handstand, for bulk flotation medicament and floatation feed, outside described blending bunker, wall side is provided with the 3rd feeding mouth, and described blending bunker inner edge wall has been evenly arranged injection gas absorption spray, and upper end is provided with the bearing holddown groove of spill; Described stir chamber is surrounded by blending bunker inner edge wall and steel plate; Described injection gas absorption spray is evenly fixed on the inner edge wall of stir chamber, and sprays gas absorption spray nested inside first air intake duct, and one end of described first air intake duct communicates with air; The discharge end of described second feeding pipe is nested in the discharge end of floating agent adding tube, and is connected with the 3rd feeding mouth; The upper end of described floating agent adding tube is provided with the automatic regulating valve of hinges fixing due to floating agent adding tube inwall, can regulate the feeding of floating agent according to the jet velocity of pan feeding.
The described district that is uniformly mixed comprises seal bootr, the second air intake duct, discharging channel; Described seal bootr is tapered, and upper end connects with the lower port of guiding region.The lower port of described second air intake duct communicates with the equally distributed suction hole in seal bootr upper end, and the upper port of described second air intake duct communicates with air; Described discharging channel is that the groove of " U " type and the inwall of seal bootr surround by cross section, is set to multiple and the following wall of upper port surrounds circular port, is connected with the lower port of the second guide shell of guiding region.
Described guiding region is by the first guide shell, and the second guide shell is formed; The upper port of described first guide shell is connected with the lower port of spraying Rotary District, and the lower port of described first guide shell is connected with the seal bootr upper port being uniformly mixed district; Described second guide shell is nested in the first guide shell, and the outer wall of described second guide shell and the inwall of the first guide shell are divided into annular flow-guiding channel, and the inner ring diameter of the second guide shell is greater than connecting rod diameter, ensures that connecting rod can pass through smoothly; The circular port that the described lower port of the second guide shell surrounds with the following wall of the upper port of discharging channel is connected, thus ensures that flow-guiding channel is connected with discharging channel, and material is discharged at the outward flange of the second agitator arm blade.
Described connecting rod impeller mechanism by the first agitator arm, connecting rod, the second agitator arm, duplex bearing form; Described connecting rod is placed in and sprays Rotary District, guiding region be uniformly mixed in cavity that district three is connected; Screw end is arranged in the upper end of described connecting rod, is screwed after the inner ring through the duplex bearing be positioned in bearing holddown groove by nut, under hanging on bearing holddown groove; The blade of described first agitator arm is consolidated in the top of connecting rod uniformly, and is placed in stir chamber; The blade of described second agitator arm is consolidated in the bottom of connecting rod uniformly, and under being placed in the seal bootr be uniformly mixed in district.
The pre-de slime flotation complete set of equipments of one of the present invention, its beneficial effect shows:
1, self-interference elasticity rectification desliming set structure of the present invention is simple, and floor space is little, and apparatus arrangement is convenient, and adopt multi-machine parallel connection material handling, treating capacity is large simultaneously; Unit is unpowered structure, decreases energy resource consumption, adds service life of equipment.
2, self-interference elasticity rectification desliming device of the present invention adopts the skewed rectification hole of hang plate formation as fairing, accelerates particle precipitation, shortens the sedimentation time, improve desliming efficiency while turbulent flow can being become laminar flow.
3, the split channel that self-interference elasticity rectification desliming device employing cross section of the present invention is wide at the top and narrow at the bottom, form high velocity stream, in self-interference mixed zone, convection current interference is formed to the material flow bottom the first material drainage channel, thus make material carry out hindered falling, acceleration cleaned coal is separated with thin mud, reduce floatation feed viscosity, improve flotation efficiency.
4, self-interference elasticity rectification desliming device of the present invention adopts elasticity hang plate fairing to adopt elasticity to connect, and can play Automatic adjusument, improve sorting desliming effect to the change of variable concentrations and feeding.
5, connecting rod jet agitation suction mechanism of the present invention adopts the mode of spraying and adding floating agent, because pan feeding nozzle is nested in floating agent adding tube, therefore the addition of floating agent can regulate according to the speed entering stream, thus according to the stable quantitative interpolation floating agent of need of production, and ensure fully mixing of material and floating agent.
6, the first agitator arm of the connecting rod impeller mechanism of the present invention's employing is placed in air chamber, spray gas absorption spray and spray impeller in injection Rotary District, drives impeller rotates, avoid energy loss huge when flooding injection, improve the mixing speed of the second agitator arm in ore pulp, thus increase inspiratory capacity and optimize mixing effect.
7, the present invention adopts and sprays gas absorption spray drives impeller, and injection stream drives air intake duct air-breathing, add the inspiratory capacity of flotation mechanism, and impeller is penetrated to getting rid of of material, better improves the mixed effect of material and ore pulp.
8, the present invention adopts flow-guiding channel and discharging channel, mixed ore pulp is discharged along the outward flange of the second agitator arm blade, reduces the rotational resistance of the second agitator arm, ensure good air-breathing environment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of self-interference elasticity rectification desliming device
Fig. 3 is that elasticity tilts to restrain fairing structural representation
Fig. 4 is the structural representation of overflow place
Fig. 5 is connecting rod jet agitation suction mechanism structural representation
Fig. 6 is that floating agent sprays adding set structural representation
Fig. 7 is flotation cell structure schematic diagram
In figure, Reference numeral implication is as follows:
10-self-interference elasticity rectification desliming unit, 11-ore pulp enters feed bin, 110-the first feeding mouth, 111-ore pulp distributes discharging opening, 12-the first feeding pipe, 13-self-interference elasticity rectification desliming device, 130-pan feeding valve, 131-inclination casing, 132-overfall, 133-split-flow baffles, 134-drainage dividing plate, 135-elasticity tilts to restrain fairing, 1350-hang plate, 1351-rectification hole, 136-the first material drainage channel, 137-the second material drainage channel, 138-overflow plate, 139-self-interference mixed zone, 1310-underflow valve, 1311-the first underflow opening, 1312-spring, 14-underflow collecting bin 141-the second feeding mouth, 142-the second underflow opening, 20-pump for mortar transmission, 30-feed pipe for mortar, 40-support, 50-connecting rod jet agitation induced air floatation device, 51-flotation cell, the import of 511-ore pulp, 512-slurry outlet, 513-scraper plate, 515-dividing plate one, 516-dividing plate two, 517-concentrate secondary enrichment region, 518-false the end, 519-through hole, 52-runing rest, 53-connecting rod jet agitation suction mechanism, 531-injection Rotary District, 5311-blending bunker, 5312-the three feeding mouth, 5313-the second feeding pipe, 5314-floating agent adding tube, 5315-stir chamber, 5316-spray gas absorption spray, 5317-bearing holddown groove 5318-the first air intake duct, 5319-automatic regulating valve, 532-guiding region, 5321-the first guide shell, 5322-the second guide shell, 5323-flow-guiding channel, 533-be uniformly mixed district, 5331-seal bootr, 5332-the second air intake duct, 5333-discharging channel, 534-connecting rod impeller mechanism, 5341-the first agitator arm, 5342-connecting rod, 5343-the second agitator arm, 5344-duplex bearing
Detailed description of the invention
As shown in figs. 1-7, for achieving the above object, present invention employs following technical scheme:
A kind of pre-de slime flotation complete set of equipments, comprise self-interference elasticity rectification desliming unit (10), pump for mortar transmission (20), feed pipe for mortar (30), support (40) and connecting rod jet agitation induced air floatation device (50).
Described self-interference elasticity rectification desliming unit (10) comprises ore pulp and enters feed bin (11), the first feeding pipe (12), self-interference elasticity rectification desliming device (13), underflow collecting bin (14).
Described ore pulp enters feed bin (11) and is arranged at self-interference elasticity rectification desliming device (13) top, described ore pulp enters feed bin (11) upper end and is provided with the first feeding mouth (110), limit wall is provided with uniformly the ore pulp be connected with the first feeding pipe (12) and distributes discharging opening (111).
Described self-interference elasticity rectification desliming device (13), be positioned at ore pulp and enter feed bin (11) below, be set to multiple and be roundedly uniformly distributed, mainly comprise pan feeding valve (130), inclination casing (131), overfall (132), split-flow baffles (133), drainage dividing plate (134), elasticity tilts to restrain fairing (135), first material drainage channel (136), second material drainage channel (137), hang plate (1350), rectification hole (1351), overflow plate (138), self-interference mixed zone (139), underflow valve (1310), first underflow opening (1311), spring (1312).
Described pan feeding valve (130) is positioned at ore pulp and enters feed bin (11) bottom, and be connected with the first feeding pipe (12), aperture is adjustable, for controlling the size of feeding, described inclination casing (131) upper end is connected with pan feeding valve (130), for the sorting of material, outer setting has overfall (132), inside arranges split-flow baffles (133), and drainage dividing plate (134) and elasticity tilt to restrain rectification mechanism (135), described split-flow baffles (133) is placed in inclination casing (131) inside and is positioned at pan feeding valve (130) lower end, pan feeding stream is divided into two parts, upper left side forms the first material drainage channel (136) with the same drainage dividing plate (134) being placed in inclination casing (131) inner, lower right and inclination casing (131) inner chamber form the second material drainage channel (137), it is inner that described drainage dividing plate (134) is placed in inclination casing (131), lower right and split-flow baffles (133) form the first material drainage channel (136), tilt to restrain rectification mechanism (135) for placing elasticity between upper left side and inclination casing (131) inner chamber, it is parallel with drainage dividing plate (134) that described elasticity tilts to restrain rectification mechanism (135), is provided with the latticed rectification hole (1351) that the cross section surrounded by hang plate (1350) is parallelogram above, described (138) are set to the cell body identical with the casing that tilts (131) width, and upper right side connects with the overfall (132) of inclination casing (131) outside, described self-interference mixed zone (139) is positioned at the first material drainage channel (136) and second material drainage channel (137) lower end of inclination casing (131), described underflow valve (1310), is positioned at elasticity and tilts to restrain rectification mechanism (135) lower end, for controlling the first underflow opening (1311) discharge underflow product.
Preferred: the upper end of described split-flow baffles (133) is arranged on drainage dividing plate (134) side, lower end is arranged on inclination casing (131) side, the second material drainage channel (137) cross section is made to be formed as trapezoidal shape, thus obtain high velocity stream at the second material drainage channel (137), in self-interference mixed zone (139), convection current interference is formed to the first material drainage channel (136) bottom stream, thus make material carry out hindered falling sorting, ensure that thin mud is fully separated with cleaned coal, reduce floatation feed viscosity, improve flotation efficiency.
Preferred: the corner of described elasticity inclination tube bank rectification mechanism (135) top and bottom is provided with the spring (1312) for connecting inclination casing (131) and drainage dividing plate (136), thus elasticity the is tilted different automatic fine tuning height of buoyancy that tube bank rectification mechanism (135) can produce according to the difference of feed thickness and feeding, ensure that overflow material has the rational time to carry out hindered falling, thus ensure effectively removing of thin mud material.
Preferred: described elasticity tilts to restrain rectification mechanism (135) and is made up of hang plate (1350), shortens particles settling distance, increases settling area, shorten the sedimentation time, reach rapid subsidence, add sedimentation frequency; Simultaneously hang plate (1350) composition cross section is that the rectification hole (1351) of parallelogram makes ascending current become laminar flow from turbulent flow, prevents whirlpool from being formed, raising desliming efficiency.
Described underflow collecting bin (14) is positioned in the middle of interference elasticity rectification desliming device (13) separately, and described underflow collecting bin (14) limit wall is provided with second feeding mouth (141) of the first underflow opening (1311) for connecting self-interference elasticity rectification desliming device (13) uniformly; Described underflow collecting bin (14) lower end is provided with the second underflow opening (142).
Described support (40) is positioned at self-interference elasticity rectification desliming unit (10) below, for supporting self-interference elasticity rectification desliming unit (10).
Described pump for mortar transmission (20) is fixed on support (40), the entrance of described pump for mortar transmission (20) is connected with second underflow opening (142) of underflow collecting bin (14), and the outlet of described pump for mortar transmission (20) is connected with feed pipe for mortar (30) one end.
Described connecting rod jet agitation induced air floatation device (50) comprises flotation cell (51), runing rest (52), connecting rod jet agitation suction mechanism (53).
Described flotation cell (51) cell body is established respectively ore pulp import (511) and slurry outlet (512), the ore pulp import (511) of described flotation cell (51) is connected with the other end of feed pipe for mortar (30), the upside of described flotation cell (51) is provided with runing rest (52), described runing rest (52) is provided with scraper plate (513), dividing plate one (515) and dividing plate two (516) is provided with in the middle of described flotation cell (51), described dividing plate one (515) be connected with the two ends inwall of flotation cell (51) respectively with the two ends of dividing plate two (516) and top all lower than the height of runing rest (52), described flotation cell (51) inwall and dividing plate one (515), region between dividing plate two (516) is concentrate secondary enrichment region (517), described scraper plate (513) is separately positioned on concentrate secondary enrichment region (517) upside, described flotation cell (51) bottom is provided with the false end (518) and is positioned at the through hole (519) of the false end (518) below.
Described connecting rod jet agitation suction mechanism (53) comprise spray Rotary District (531), guiding region (532), be uniformly mixed district (533), connecting rod impeller mechanism (534).
Described injection Rotary District (531) is positioned at runing rest (52) upside, by blending bunker (5311), 3rd feeding mouth (5312), second feeding pipe (5313), floating agent adding tube (5314), stir chamber (5315), spray gas absorption spray (5316), bearing holddown groove (5317), the first air intake duct (5318), automatic regulating valve (5319) is formed; Described blending bunker (5311) presents " U " type shape of handstand, for bulk flotation medicament and floatation feed, wall side, described blending bunker (5311) outside is provided with the 3rd feeding mouth (5312), described blending bunker (5311) inner edge wall has been evenly arranged injection gas absorption spray (5316), and upper end is provided with the bearing holddown groove (5317) of spill; Described stir chamber (5315) is surrounded by blending bunker (5311) inner edge wall and steel plate; Described injection gas absorption spray (5316) is evenly fixed on the inner edge wall of stir chamber (5315), and spray gas absorption spray (5316) nested inside first air intake duct (5318), one end of described first air intake duct (5318) communicates with air; The discharge end of described second feeding pipe (5313) is nested in the discharge end of floating agent adding tube (5314), and is connected with the 3rd feeding mouth (5312); The upper end of described floating agent adding tube (5314) is provided with the automatic regulating valve (5319) of hinges fixing due to floating agent adding tube inwall (5314), can regulate the feeding of floating agent according to the jet velocity of pan feeding.
The described district (533) that is uniformly mixed comprises seal bootr (5331), the second air intake duct (5332), discharging channel (5333); Described seal bootr (5331) is tapered, and upper end connects with the lower port of guiding region (532).The lower port of described second air intake duct (5332) communicates with the equally distributed suction hole in seal bootr (5331) upper end (5334), and the upper port of described second air intake duct (5332) communicates with air; Described discharging channel (5333) is that the groove of " U " type and the inwall of seal bootr (5331) surround by cross section, be set to multiple and the following wall of upper port surrounds circular port, be connected with the lower port of second guide shell (5322) of guiding region (532).
Described guiding region (532) is by the first guide shell (5321), and the second guide shell (5322) is formed; The upper port of described first guide shell (5321) is connected with the lower port of spraying Rotary District (531), and the lower port of described first guide shell (5321) is connected with seal bootr (5331) upper port being uniformly mixed district (531); Described second guide shell (5322) is nested in the first guide shell (5321), the outer wall of described second guide shell (5322) and the inwall of the first guide shell (5321) are divided into annular flow-guiding channel (5323), the inner ring diameter of the second guide shell (5322) is greater than connecting rod (5342) diameter, ensures that connecting rod (5342) can pass through smoothly; The circular port (5334) that lower port and the following wall of the upper port of discharging channel (5333) of described second guide shell (5322) surround is connected, thus ensure that flow-guiding channel (5323) is connected with discharging channel (5333), material is discharged at the outward flange of the second agitator arm (5343) blade.
Described connecting rod impeller mechanism (534) by the first agitator arm (5341), connecting rod (5342), the second agitator arm (5343), duplex bearing (5344) form; Described connecting rod (5342) is placed in and sprays Rotary District (531), guiding region (532) and be uniformly mixed in cavity that district (533) three is connected; Screw end is arranged in the upper end of described connecting rod (5342), is screwed, under hanging on bearing holddown groove (5317) after the inner ring through the duplex bearing (5344) be positioned in bearing holddown groove (5317) by nut; The blade of described first agitator arm (5341) is consolidated in the top of connecting rod (5342) uniformly, and is placed in stir chamber (5315); The blade of described second agitator arm (5343) is consolidated in the bottom of connecting rod (5342) uniformly, and under being placed in the seal bootr (5331) be uniformly mixed in district (531).
Below in conjunction with Fig. 1-7, the course of work of the present invention is described further:
Ore pulp distribution discharging opening (111) that black water enters feed bin (11) from ore pulp goes out stream, self-interference elasticity rectification desliming device (13) is entered through the first feeding pipe (12), two bursts of material flow that flow velocity is identical are split at split-flow baffles (133) place, one material flow is carried downwards along the first material drainage channel (136), one material flow is carried downwards at the second material drainage channel (137) with same initial velocity edge in addition, and carry out self-interference sedimentation with the logistics that high velocity stream is formed in interference stream upwards and the first material drainage channel (136) in self-interference mixed zone, bottom (139), acceleration cleaned coal is separated with thin mud, thus ensure effectively removing of thin mud material, then mix logistics height constantly to rise, tilt to restrain the rectification hole on rectification mechanism (135) by elasticity, turbulent change layer stream, and hang plate (1350) strengthens settling area and shortens settling height, accelerates particles settling, simultaneously elasticity tilts the different automatic fine tuning height of buoyancy that tube bank rectification mechanism (135) can produce according to the difference of feed thickness and feeding, ensure that overflow material has the rational time to carry out hindered falling, thus ensure effectively removing of thin mud material.Through hindered falling, plaster flows out from overfall (132) along with overflow, underflow materials flows out from first underflow opening (1311) of self-interference elasticity rectification desliming device (13) and converges at underflow collecting bin (14) simultaneously, pump for mortar transmission (20) is entered through the second underflow opening (142), material pressurization is pumped by pump for mortar transmission (20), compress into into flotation cell (51) participation flotation through feed pipe for mortar (30) from ore pulp import (511), and flotation cell (51) bottom cycle ore pulp pumps out from bottom through-hole through underflow pump, pressure injection is had to enter blending bunker (5311), the floating agent of injection stream drive simultaneously enters blending bunker (5311) together and mixes, mixed ore pulp is through spraying gas absorption spray (5316) ejection, the first agitator arm (5341) is driven to rotate while sucking a large amount of gas, thus the second agitator arm (5343) the Stirring ore pulp of drivening rod (5342) lower end, carry out flotation activity, and get rid of through the first agitator arm (5341) ore pulp penetrated is discharged to impeller after again mixing outward flange through flow-guiding channel (5323) and discharging channel (5333), ensure good air-breathing environment.Flotation mineralized froth is thrown out of backwardly to float up to liquid level above flotation area from the blade outward flange of the second agitator arm (5343), fully accumulate in the upper end of dividing plate one (515) with dividing plate two (516), and scraped flotation cell (51) by scraper plate (513), then be not deposited into concentrate secondary enrichment region (517) downwards by the mineralized froth of scraping, the mineralized froth sunk in the concentrate secondary enrichment region (517) of both sides then sinks down into the lower end of dividing plate one (515) and dividing plate two (516), cross again described dividing plate one (515) and dividing plate two (516) respectively to flotation area, to realize flotation again, the ore pulp being settled down to flotation cell (51) bottom then enters next flotation cell (51) through outlet and carries out flotation again.
This description is only be described the preferred embodiment of invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (9)
1. a pre-de slime flotation complete set of equipments, is characterized in that: comprise self-interference elasticity rectification desliming unit, pump for mortar transmission, feed pipe for mortar, support and connecting rod jet agitation induced air floatation device.
2. pre-de slime flotation complete set of equipments according to claim 1, is characterized in that: described self-interference elasticity rectification desliming unit comprises ore pulp and enters feed bin, the first feeding pipe, self-interference elasticity rectification desliming device, underflow collecting bin.
3. pre-de slime flotation complete set of equipments according to claim 2, is characterized in that: described self-interference elasticity rectification desliming device, is positioned at ore pulp and enters below feed bin, is set to multiple and is roundedly uniformly distributed, mainly comprise pan feeding valve, inclination casing, overfall, split-flow baffles, drainage dividing plate, elasticity tilts to restrain fairing, first material drainage channel, the second material drainage channel, hang plate, rectification hole, overflow plate, self-interference mixed zone, underflow valve, the first underflow opening, spring.
4. pre-de slime flotation complete set of equipments according to claim 3, is characterized in that: described pan feeding valve is positioned at ore pulp and enters feed bin bottom; The upper end of described inclination casing is connected with pan feeding valve, and outer setting has overfall, and inside arranges split-flow baffles, and drainage dividing plate and elasticity tilt to restrain rectification mechanism; Described split-flow baffles is placed in inclination box house and is positioned at pan feeding valve lower end, and upper left side forms the first material drainage channel with the same drainage dividing plate being placed in inclination box house, and lower right and dump box intracoelomic cavity form the second material drainage channel; Described drainage dividing plate is placed in inclination box house, and lower right and split-flow baffles form the first material drainage channel, tilts to restrain rectification mechanism between upper left side and dump box intracoelomic cavity for placing elasticity; It is parallel with drainage dividing plate that described elasticity tilts to restrain rectification mechanism, is provided with the latticed rectification hole that the cross section surrounded by hang plate is parallelogram above; Describedly be set to the cell body identical with the casing width that tilts, and upper right side connects with the overfall of dump box external body; Described self-interference mixed zone is positioned at the first material drainage channel and the second material drainage channel lower end of inclination casing; Described underflow valve, is positioned at elasticity and tilts to restrain rectification mechanism lower end.
5. pre-de slime flotation complete set of equipments according to claim 3, is characterized in that: the upper end of described split-flow baffles is arranged on drainage dividing plate side, and lower end is arranged on inclination casing side, makes the second material drainage channel cross section be formed as trapezoidal shape; Described elasticity tilts to restrain rectification mechanism and is made up of hang plate, and hang plate composition cross section is the rectification hole of parallelogram simultaneously; The corner of the top and bottom of described elasticity inclination tube bank rectification mechanism is provided with the spring for connecting inclination casing and drainage dividing plate.
6. pre-de slime flotation complete set of equipments according to claim 1, is characterized in that: described connecting rod jet agitation induced air floatation device comprises flotation cell, runing rest, connecting rod jet agitation suction mechanism.
7. pre-de slime flotation complete set of equipments according to claim 6, is characterized in that: described connecting rod jet agitation suction mechanism comprises and sprays Rotary District, and guiding region, is uniformly mixed district, connecting rod impeller mechanism.
8. pre-de slime flotation complete set of equipments according to claim 7, it is characterized in that: described injection Rotary District is positioned on the upside of runing rest, by blending bunker, the 3rd feeding mouth, the second feeding pipe, floating agent adding tube, stir chamber, sprays gas absorption spray, bearing holddown groove, first air intake duct, automatic regulating valve is formed; Described blending bunker presents " U " type shape of handstand; Outside described blending bunker, wall side is provided with the 3rd feeding mouth; Described blending bunker inner edge wall has been evenly arranged injection gas absorption spray, and upper end is provided with the bearing holddown groove of spill; Described stir chamber is surrounded by blending bunker inner edge wall and steel plate; Described injection gas absorption spray is evenly fixed on the inner edge wall of stir chamber, and sprays gas absorption spray nested inside first air intake duct; One end of described first air intake duct communicates with air; The discharge end of described second feeding pipe is nested in the discharge end of floating agent adding tube, and is connected with the 3rd feeding mouth; The upper end of described floating agent adding tube is provided with the automatic regulating valve of hinges fixing due to floating agent adding tube inwall;
The described district that is uniformly mixed is uniformly mixed district and comprises seal bootr, the second air intake duct, discharging channel; Described seal bootr is tapered, and upper end connects with the lower port of guiding region; The lower port of described second air intake duct communicates with the equally distributed suction hole in seal bootr upper end; The upper port of described second air intake duct communicates with air; Described discharging channel is that the groove of " U " type and the inwall of seal bootr surround by cross section, is set to multiple and the following wall of upper port surrounds circular port, is connected with the lower port of the second guide shell of guiding region;
Described guiding region is by the first guide shell, and the second guide shell is formed; The upper port of described first guide shell is connected with the lower port of spraying Rotary District, and the lower port of described first guide shell is connected with the seal bootr upper port being uniformly mixed district; Described second guide shell is nested in the first guide shell; The outer wall of described second guide shell and the inwall of the first guide shell are divided into annular flow-guiding channel; The inner ring diameter of described second guide shell is greater than connecting rod diameter; The circular port that the described lower port of the second guide shell surrounds with the following wall of the upper port of discharging channel is connected.
9. pre-de slime flotation complete set of equipments according to claim 7, is characterized in that: described connecting rod impeller mechanism by the first agitator arm, connecting rod, the second agitator arm, duplex bearing is formed; Described connecting rod is placed in and sprays Rotary District, guiding region be uniformly mixed in cavity that district three is connected; Screw end is arranged in the upper end of described connecting rod, is screwed after the inner ring through the duplex bearing be positioned in bearing holddown groove by nut, under hanging on bearing holddown groove; The blade of described first agitator arm is consolidated in the top of connecting rod uniformly, and is placed in stir chamber; The blade of described second agitator arm is consolidated in the bottom of connecting rod uniformly, and under being placed in the seal bootr be uniformly mixed in district.
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| CN105562217A (en) * | 2016-01-26 | 2016-05-11 | 安徽理工大学 | Mixed flow field flotation system based on jet flow drive |
| CN107159471A (en) * | 2017-06-14 | 2017-09-15 | 安徽理工大学 | Possess that ore pulp is self-driven and floatation equipment of self-priming airway dysfunction |
| CN108787017A (en) * | 2017-04-28 | 2018-11-13 | 盐城申源塑胶有限公司 | Three-roll grinder |
| CN111570096A (en) * | 2020-05-14 | 2020-08-25 | 安徽理工大学 | Rotary atomization device and flotation complete equipment |
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| CN111570096A (en) * | 2020-05-14 | 2020-08-25 | 安徽理工大学 | Rotary atomization device and flotation complete equipment |
| CN111570096B (en) * | 2020-05-14 | 2021-06-22 | 安徽理工大学 | Rotary atomization device and flotation complete equipment |
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| CN104772231B (en) | 2018-04-10 |
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