CN110193429A - A kind of ultralow grade alumyte waste residue is without transmission bulk flotation device and floatation process - Google Patents
A kind of ultralow grade alumyte waste residue is without transmission bulk flotation device and floatation process Download PDFInfo
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- CN110193429A CN110193429A CN201910435010.0A CN201910435010A CN110193429A CN 110193429 A CN110193429 A CN 110193429A CN 201910435010 A CN201910435010 A CN 201910435010A CN 110193429 A CN110193429 A CN 110193429A
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- roughing
- pipe
- sweep
- circulating slot
- flotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1406—Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
Abstract
The invention discloses a kind of ultralow grade alumyte waste residues without transmission bulk flotation device and floatation process, flotation unit include it is selected, roughing, sweep and sweep unit with two, each unit respectively includes respective circulating slot, flotation cell and foam tank, and respective flotation cell is connected by respective middle pipe with respective circulating slot；Roughing circulating slot is connected with raw ore slurry pipe, rougher cell is connected by roughing underflow overflow pipe with circulating slot is swept, roughing foam tank is connected by roughing foamed pipe with selected circulating slot, selected flotation cell is connected by selected underflow overflow pipe with roughing circulating slot, selected foam tank is connected by selected foamed pipe with total smart collecting tank, it sweeps flotation cell and sweeps circulating slot with two by sweeping underflow overflow pipe and be connected, foam tank is swept to be connected by sweeping foamed pipe with roughing circulating slot, two sweep flotation cell is respectively connected with by tailing underflow overflow pipe and tailing collecting tank, two sweep foam tank sweeps foamed pipe and is connected with circulating slot is swept by two.Flotation effect of the present invention is good.
Description
Technical field
The invention belongs to ore concentration of bauxite fields, and in particular to a kind of ultralow grade alumyte waste residue is without transmission bulk flotation dress
It sets and floatation process.
Background technique
For China's bauxite resource based on diaspore type, the ore of middle low alumina -silica ratio accounts for 80%, cannot directly adopt low
The alumina producing Bayer process of cost.With the fast development of China's aluminum oxide industry, the consumption of bauxite resource is increased year by year
More, bauxite resource is increasingly deficient.Since China's bauxite lean ore resource proportion is larger, as resource develops benefit year by year
With, abundant ore source amount is fewer and fewer, and raw material mine majority exploitation in China's is more chaotic, adopt it is rich to abandon poor phenomenon serious, it is low-grade
Ultralow grade alumyte waste residue of the bauxite resource especially alumina silica ratio lower than 2 is largely discarded, and long-term stack not only becomes week
The great security risk in collarette border, while a large amount of wastes of resource are also resulted in, need urgently to solve the efficient choosing of lean ore resource
Mine problem improves the comprehensive utilization ratio of resource.
Currently, the widely used tradition machinery agitation type flotation machine presence in China takes up a large area, energy consumption is high, separating effect
The disadvantages of bad；Although flotation column method is that energy-saving one of developing direction is equipped in flotation, it is easy to block up there is also mineralizer
Plug, maintenance are frequently, atomizing effect is poor, equipment attrition is serious, influence the deficiencies of production efficiency.
Summary of the invention
The present invention provides a kind of ultralow grade alumyte waste residue can be more without transmission bulk flotation device and floatation process, ore pulp
Grade mixing, multistage mineralising, and then the mixing of ore pulp, remineralization efficacy are good, and flotation effect is good.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of ultralow grade alumyte waste residue is without transmission bulk flotation device, including is from left to right sequentially arranged and the identical essence of structure
Menu member, roughing unit sweep unit and two and sweep unit；Roughing unit includes roughing circulating slot, and roughing circulating slot upper right side is set
There is the rougher cell of top end opening, rougher cell lateral wall top is fixed with the inner bottom wall inclined roughing foam in lower section to the left
Slot, roughing foam tank inner roof wall height are higher than rougher cell tip height, outside roughing foam tank inner sidewall and rougher cell
The cavity that side wall upper part surrounds forms roughing foam storage area, and middle part is fixed with roughing mixing-material separating box in rougher cell, slightly
It selects and is fixed with the roughing erosion control cone of cone upward in mixing-material separating box, roughing mixing-material separating box side wall is fixed with multiple structure phases
Same roughing releasing parts, roughing releasing parts include the roughing release that endcapped and side wall are connected with multiple roughings release nozzles
Pipe, roughing circulating slot lower part are managed by the roughing first with roughing circulating pump and are connect with horizontal the second pipe of roughing, and roughing second is managed
Inner sidewall is equipped with wear-resistant coating and then keeps the second pipe of roughing left and right ends internal diameter big and middle part internal diameter is small, in the middle part of the second pipe of roughing
Upper and lower side wall is connected with roughing respectively and inhales medicine, inspiratory component, and roughing the second pipe right end is connected with the horizontal and closed roughing third of right end
Pipe, roughing third pipe inner sidewall are equipped with abrasion-resistance screw coating, in the middle part of roughing third pipe lower wall managed by vertical roughing the 4th and
Roughing mixing-material separating box roof is connected；Selected unit includes selected circulating slot, selected flotation cell and selected foam tank, sweeps unit
Including sweeping circulating slot, sweeping flotation cell and sweeping foam tank, two to sweep unit include two sweeping circulating slot, two sweeping flotation cell and sweep with two
Foam tank；Roughing circulating slot is connected with former bauxite waste residue ore pulp pipe, and rougher cell lower sidewall passes through pipe, roughing in roughing
Underflow overflow pipe and roughing circulating slot sweep circulating slot and are respectively connected with, roughing foam groove bottom wall left part by roughing foamed pipe with
Selected circulating slot is connected, and selected flotation cell lower sidewall passes through selected middle pipe, selected underflow overflow pipe and selected circulating slot, slightly
Circulating slot is selected to be respectively connected with, selected foam groove bottom wall left part is connected by selected foamed pipe with total smart collecting tank, and flotation cell is swept
Lower sidewall sweeps foam by sweeping middle pipe, sweeping underflow overflow pipe and sweeping circulating slot, two sweep circulating slot and be respectively connected with
Groove bottom wall left part is connected by sweeping foamed pipe with roughing circulating slot, and two, which sweep flotation cell lower sidewall, sweeps middle pipe, tail by two
Mine underflow overflow pipe sweeps circulating slot with two, tailing collecting tank is respectively connected with, and two, which sweep foam groove bottom wall left part, sweeps foamed pipe by two
It is connected with circulating slot is swept.
Further, roughing circulating slot is vertically arranged with rougher cell, roughing circulating slot and rougher cell it is upper
The lower part of the cylindrical shape in portion, roughing circulating slot and rougher cell is in inverted conical shape, and roughing foam tank is vertical and thick
The cylindrical shape in foam tank top is selected, the internal diameter of roughing foam tank inner sidewall from top to bottom is uniform, and roughing foam tank roof
Vertical centerline and the vertical centerline of rougher cell coincide.
Further, roughing mixing-material separating box is vertical and cylindrical shape, roughing erosion control cone are in normal cone shape, and roughing is anti-
Punching cone is fixed in the middle part of roughing mixing-material separating box inner bottom wall, and roughing erosion control cone bottom surface and roughing mixing-material separating box inner bottom wall are direct
Contact, and roughing mixing-material separating box is fixed at rougher cell top cylinder inner sidewall lower end by more waling stripes,
The vertical centerline of roughing mixing-material separating box and the vertical centerline of rougher cell coincide.
Further, roughing mixing-material separating box lower sidewall is uniformly fixed with the roughing connection short tube of multiple levels, slightly
Choosing connection short tube end is fixed with horizontal roughing release pipe by hollow flange, and multiple roughing release nozzles are uniformly distributed in
Roughing discharges on pipe side wall, and roughing release pipe end is fixed with the first blind plate for closing roughing release pipe end opening, slightly
Choosing connection short tube, roughing release pipe, roughing release nozzle and the first blind plate collectively constitute roughing releasing parts.
Further, the second pipe of roughing left part, middle part, right part are respectively roughing import pipeline section, roughing trunnion section, roughing expansion
Separate tube section, roughing the second pipe upper side wall at roughing trunnion section left part are connected with vertical roughing medicine absorbing tube by screw thread, and roughing is inhaled
Pencil is equipped with roughing medicament regulating valve, and roughing medicine absorbing tube upper end is connected with vertical roughing medicament and slot, roughing trunnion Duan Zuo is added
Roughing the second pipe lower wall at portion is connected with vertical roughing air intake duct, and roughing air intake duct is equipped with roughing air control valve, slightly
It selects medicine absorbing tube, roughing medicament regulating valve and roughing medicament that slot composition roughing is added and inhales medicine component, roughing air intake duct and roughing air
Regulating valve forms roughing inspiratory component, and the vertical centerline of roughing medicine absorbing tube is mutually be overlapped with the vertical centerline of roughing air intake duct
It closes.
Further, roughing the first pipe upper right side is connected by hollow flange with the second pipe of roughing left end, and roughing second is managed
Right end is connected by hollow flange with roughing third pipe left end, and roughing third pipe right end is fixed with right for closing roughing third pipe
Second blind plate of end opening.
Further, former bauxite waste residue ore pulp pipe is equipped with ore pulp feed pump, and the first pipe of roughing is equipped with roughing first
Electric control valve, pipe is equipped with the second electric control valve of roughing in roughing, and selected unit further includes selected circulating pump, selected the
One pipe, selected second pipe, selected third pipe, selected 4th pipe, selected mixing-material separating box and selected release are managed, on selected first pipe
Equipped with selected first electric control valve, selected middle pipe is equipped with selected second electric control valve, and sweeping unit further includes sweeping
Circulating pump sweeps the first pipe, sweeps the second pipe, sweep third pipe, sweep the 4th pipe, sweep mixing-material separating box and sweep release
Pipe sweeps the first pipe equipped with the first electric control valve is swept, and sweeps middle pipe equipped with the second electric control valve is swept, two sweep
Unit further includes two sweeping circulating pump, two sweeping the first pipe, two sweep the second pipe, two sweep third pipe, two sweep the 4th pipe, two sweep mixing sub-material
Case and two sweeps release pipe, and two, which sweep the first pipe, sweeps the first electric control valve equipped with two, and two, which sweep middle pipe, sweeps the second electricity equipped with two
Dynamic regulating valve.
Further, the input terminal height of pipe is higher than outlet side height, the input terminal of roughing underflow overflow pipe in roughing
Height is higher than outlet side height, and the input terminal height of roughing foamed pipe is higher than outlet side height, and the input terminal of selected middle pipe is high
Degree is higher than outlet side height, and the input terminal height of selected underflow overflow pipe is higher than outlet side height, the input terminal of selected foamed pipe
Height is higher than outlet side height, and the input terminal height for sweeping middle pipe is higher than outlet side height, sweeps the input of underflow overflow pipe
End height is higher than outlet side height, and the input terminal height for sweeping foamed pipe is higher than outlet side height, and two sweep the input terminal of middle pipe
Height is higher than outlet side height, and the input terminal height of tailing underflow overflow pipe is higher than outlet side height, and two sweep the input of foamed pipe
End height is higher than outlet side height.
Floatation process of the above-mentioned ultralow grade alumyte waste residue without transmission bulk flotation device, comprising the following steps:
(1) ultralow grade alumyte waste residue ore is broken into system using two sections of Hubei Province and is crushed to 3mm hereinafter, miberal powder feeding is dry after broken
Mine canopy carries out mixed mine and storage, will mix coarse mineral powder by lower mine mouth after forklift mixing and is discharged in ground lower belt, and passes through underground
Belt will mix coarse mineral powder and be transported to raw ore feed bin, and mixing coarse mineral powder is uniformly sent into ball mill using rock feeder, and is added and follows
Ring water and sodium carbonate liquor, the additional amount of recirculated water are 1-1.5 times of miberal powder weight, and using double storehouse ball mill ore grindings, ore grinding is thin
Degree is the 90-95% of the total ore quality of 0.074mm grade mineral Zhan, and mixing mineral fine is discharged to obtain after ball mill ore grinding, mixes thin mine
Powder enters in cyclone through feeding pump, and underflow and fine grained overflow pulp are obtained after classification, and the underflow after classification returns to ball mill again
Ore grinding；
(2) the fine grained overflow pulp in step (1) after classification passes through former bauxite waste residue mine under the action of ore pulp feed pump
Slurry pipe enters in roughing circulating slot, and the fine grained overflow pulp in roughing circulating slot passes through roughing under the action of roughing circulating pump
First pipe enters in roughing second manages, and swiftly flowing ore pulp enters from roughing import pipeline section and the shape after entering roughing trunnion section
At negative pressure state, medicament, air inhale medicine by roughing respectively under the action of negative pressure, inspiratory component is inhaled into roughing trunnion section,
And then medicament, air and the ore pulp in roughing trunnion section occur sharp impacts, mix, absorption and mineralising, solid, liquid, gas three-phase it is mixed
The high turbulent condition that the ore pulp of conjunction sprays diffusion to roughing diffuser enters roughing third pipe, the mine that solid, liquid, gas three mix
The obstruction by the abrasion-resistance screw coating being arranged on roughing third pipe inner sidewall is starched, and then the ore pulp that solid, liquid, gas three mix exists
In roughing third pipe helically state flow, the ore pulp that solid, liquid, gas three mix when moving at roughing third pipe right end by
To after the barrier of the second blind plate, the ore pulp that solid, liquid, gas three mix returns to form turbulent state and enter by the 4th pipe of roughing
In roughing mixing-material separating box, the ore pulp that solid, liquid, gas three mix, which is fallen on roughing erosion control cone, to be dispersed, is buffered, and ore pulp leads to again
The multiple roughings release nozzle crossed on each roughing release pipe is ejected into rougher cell, and ore pulp is formed greatly in rougher cell
It measures the roughing foam of good dispersion property and sharply floats, roughing foam enters in roughing foam tank in turn, in rougher cell
Roughing in ore pulp flows into that roughing circulating slot is interior by flotation again naturally by pipe in roughing, the roughing in roughing foam tank is steeped
Foam is entered in selected circulating slot by the overflow of roughing foamed pipe, and the roughing underflow in rougher cell passes through roughing underflow overflow pipe
Overflow, which enters, to be swept in circulating slot, and wherein the mineral grain size in roughing in ore pulp is greater than the mineral grain ruler in roughing underflow
It is very little；
(3) the roughing foam in step (2) in selected circulating slot obtains selected foam, selected under the flotation effect of selected unit
Middle ore pulp and selected underflow, the selected middle ore pulp in selected flotation cell flow into quilt in selected circulating slot by selected middle pipe naturally
Flotation again, the selected foam in selected foam tank is entered in total smart collecting tank by selected foamed pipe, in total essence collecting tank
Selected foam enters concentrate sedimenting system in turn and obtains concentrate through sedimentation, concentration, filters pressing, and the selected underflow in selected flotation cell passes through
Selected underflow overflow pipe overflow enters in roughing circulating slot by flotation again, wherein the mineral grain size in selected middle ore pulp is big
Mineral grain size in selected underflow；
(4) the roughing underflow swept in step (2) in circulating slot is obtained sweeping foam, be swept under the flotation effect for sweeping unit
Middle ore pulp and underflow is swept, the middle ore pulp that sweeps swept in flotation cell flows into naturally by sweeping middle pipe and sweeps quilt in circulating slot
Flotation again, the foam that sweeps swept in foam tank are entered in roughing circulating slot by flotation again by sweeping foamed pipe, are swept
The underflow that sweeps in flotation cell is swept in circulating slot by sweeping underflow overflow pipe overflow into two, wherein sweeping the mine in middle ore pulp
Composition granule size is greater than the mineral grain size swept in underflow；
(5) it two sweeps sweeping in circulating slot in step (4) and obtains two under the flotation effect that underflow sweeps unit two and sweep foam, two sweep
Middle ore pulp and tailing underflow, two sweep in flotation cell two sweep middle ore pulp and by two sweep middle pipe and flow into two naturally and sweep quilt in circulating slot
Flotation again, two sweep in foam tank two sweep foam and by two sweep foamed pipe and enter to sweep and swept by flotation again, two in circulating slot
Tailing underflow in flotation cell is entered in tailing collecting tank by tailing underflow overflow pipe overflow, the tailing bottom in tailing collecting tank
It flows into and enters tailing sedimenting system and be discharged through sedimentation, concentration, filters pressing.
Further,
Selected foam in step (3) is concentrate slurry, and concentrate slurry concentration reaches 30-50%, and concentrate sedimenting system includes sedimentation concentration slot
With plate and frame filter press, concentrate slurry enters in sedimentation concentration slot, and flocculant is added in sedimentation concentration slot, and then concentrate slurry is fast
Speed sedimentation, concentration, concentration concentrate slurry directly through plate and frame filter press filters pressing, be dehydrated to obtain concentrate, concentrate water content 15% is left after dehydration
The right side, concentrate are used as alumina producer ingredient；
Tailing underflow in step (5) is Tailings Slurry, and tailing sedimenting system includes sedimentation concentration slot and plate and frame filter press, Tailings Slurry
Into in sedimentation concentration slot, and flocculant is added in sedimentation concentration slot, and then tail is concentrated by rapid subsidence, concentration in Tailings Slurry
Ore pulp directly through plate and frame filter press filters pressing, be dehydrated to obtain tailing, tailing water content 15-18% after dehydration, tailing be used as brick-making raw material；
The amount that the combined capturing and collecting agent of medicine component self-priming is inhaled in roughing in roughing unit is 600-1000g/t raw ore, is swept one in unit
Sweep that inhale the amount of the combined capturing and collecting agent of medicine component self-priming be 100-150g/t raw ore, two, which sweep in unit two, sweeps the group for inhaling medicine component self-priming
The amount for closing collecting agent is 100-150g/t raw ore；
The alumina silica ratio of ultralow grade alumyte waste residue is 1.5-2, Al in ultralow grade alumyte waste residue2O3Content is 46-50%,
Al in gained concentrate after flotation2O3Content is 55-70%, and the alumina silica ratio of gained concentrate is 5.5-7 after flotation, gained tailing after flotation
Middle Al2O3Content is 34-38%, and the alumina silica ratio of gained tailing is 0.9-1.2 after flotation.
Compared with the existing technology, the invention has the benefit that
In the present invention, alumina silica ratio 1.5-2 or more, Al can be selected in2O3The ultralow grade alumyte waste residue of content 46-50%, flotation
Al in gained concentrate afterwards2O3Content is 55-70%, after flotation gained concentrate alumina silica ratio be 5.5-7, concentrate yield be 45-60% with
On, Al in gained tailing after flotation2O3Content is 34-38%, and the alumina silica ratio of gained tailing is 0.9-1.2 after flotation, can effectively be mentioned
The utilization efficiency of high-al clay ore resources；
In the present invention, roughing the second pipe inner sidewall is equipped with wear-resistant coating and then keeps the second pipe of roughing left and right ends internal diameter big and middle part
Internal diameter is small, and the second pipe of roughing left part, middle part, right part are respectively roughing import pipeline section, roughing trunnion section, roughing diffusion pipeline section, slightly
Import pipeline section, roughing trunnion section and roughing diffusion pipeline section is selected to form bell mouth shape, swiftly flowing ore pulp is from roughing import pipeline section
Negative pressure state is formed into and after enter roughing trunnion section, medicament, air are inhaled medicine by roughing respectively, inhaled under the action of negative pressure
Gas component is inhaled into roughing trunnion section, so medicament in roughing trunnion section, air and ore pulp occur sharp impacts, mix,
Absorption and mineralising, the high turbulent condition that the ore pulp that solid, liquid, gas three mix sprays diffusion to roughing diffuser enter roughing the
Three pipes, thus bubble generates abundant, remineralization efficacy is good, and manages interior ore pulp in roughing second and realize a mineralising, into roughing
Resistance of the ore pulp that solid, liquid, gas three in third pipe mix by the abrasion-resistance screw coating being arranged on roughing third pipe inner sidewall
Hinder, and then ore pulp helically state flowing in roughing third pipe that solid, liquid, gas three mix, what solid, liquid, gas three mixed
After barrier of the ore pulp when moving at roughing third pipe right end by the second blind plate, the ore pulp that solid, liquid, gas three mix is returned
It forms turbulent state and is entered in roughing mixing-material separating box by the 4th pipe of roughing, ore pulp realizes secondary in roughing third pipe
Mixing, secondary mineralising, the ore pulp mixed into the solid, liquid, gas three in roughing mixing-material separating box fall on roughing erosion control and bore
To dispersion, buffering, ore pulp discharges multiple roughings release nozzle on pipe by each roughing again and is ejected into rougher cell, in turn
Ore pulp realizes repeatedly mixing, multiple mineralising；
In the present invention, rougher cell lower sidewall is connected by pipe in roughing with roughing circulating slot, selected flotation groove sidewall
Lower part is connected by selected middle pipe with selected circulating slot, sweeps flotation cell lower sidewall by sweeping middle pipe and sweeping circulation
Slot is connected, and two sweep flotation cell lower sidewall and sweep middle pipe by two and sweep circulating slot with two and are connected, in flotation cell generation each in this way
Ore pulp passes through respective middle pipe respectively and enters in respective circulating slot, by again in middle ore pulp re-enter peer flotation cell
Flotation so recycles, multiple circulation flotation more than three times is at least realized in each flotation cell, and then can improve flotation effect
Fruit；
Ultralow grade alumyte waste residue of the invention is without transmission bulk flotation device, and configuration is simple, and process is smooth, centralized control, just
In operation, compared with other flotation cell without transmission, the configuration such as ore pulp medicament pre-mixing apparatus, compressed air air compression station is save, is saved
About 3,000,000 yuan of investment reduces installed capacity about 25%, saves power consumption about 30%.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of component in A dotted line frame in Fig. 1；
Fig. 3 is the overlooking structure diagram of component in B dotted line frame in Fig. 1.
Detailed description of the invention: 1, roughing circulating slot, 2, rougher cell, 3, roughing foam tank, 4, roughing mixing-material separating box, 5, thick
Erosion control is selected to bore, 6, roughing release pipe, 7, roughing circulating pump, 8, the pipe of roughing first, 9, the pipe of roughing second, 10, roughing third pipe,
11, roughing the 4th is managed, 12, selected circulating slot, 13, selected flotation cell, 14, selected foam tank, and 15, sweep circulating slot, 16, sweep
Flotation cell, 17, sweep foam tank, 18, two sweep circulating slot, and 19, two sweep flotation cell, and 20, two sweep foam tank, 21, former bauxite it is useless
Slag ore pulp pipe, 22, pipe in roughing, 23, roughing underflow overflow pipe, 24, roughing foamed pipe, 25, selected middle pipe, 26, selected
Underflow overflow pipe, 27, selected foamed pipe, 28, total smart collecting tank, 29, sweep middle pipe, 30, sweep underflow overflow pipe, 31, one
Foamed pipe is swept, 32, two sweep middle pipe, and 33, tailing underflow overflow pipe, 34, tailing collecting tank, 35, two sweep foamed pipe, 36, roughing
Connect short tube, 37, hollow flange, the 38, first blind plate, 39, roughing import pipeline section, 40, roughing trunnion section, 41, roughing diffuser
Section, 42, roughing medicine absorbing tube, 43, roughing medicament regulating valve, 44, roughing medicament addition slot, 45, roughing air intake duct, 46, roughing sky
Gas regulating valve, the 47, second blind plate, 48, the first electric control valve of roughing, 49, the second electric control valve of roughing, 50, selected circulation
Pump, 51, selected first pipe, 52, selected second pipe, 53, selected third pipe, 54, selected 4th pipe, 55, selected mixing-material separating box,
56, selected release pipe, 57, selected first electric control valve, 58, selected second electric control valve, 59, sweep circulating pump, 60, one
Sweep the first pipe, 61, sweep the second pipe, 62, sweep third pipe, 63, sweep the 4th pipe, 64, sweep mixing-material separating box, 65, sweep
Release pipe, 66, sweep the first electric control valve, 67, sweep the second electric control valve, 68, two sweep circulating pump, and 69, two sweep first
Pipe, 70, two sweep the second pipe, and 71, two sweep third pipe, and 72, two sweep the 4th pipe, and 73, two sweep mixing-material separating box, and 74, two sweep release pipe,
75, two sweep the first electric control valve, 76, two sweep the second electric control valve, 77, roughing discharge nozzle, 78, ore pulp feed pump, 79,
Connecting rod.
Specific embodiment
As shown in Figure 1,2 and 3, a kind of ultralow grade alumyte waste residue without transmission bulk flotation device, including from left to right according to
Secondary arrangement and the identical selected unit of structure, roughing unit sweep unit and two and sweep unit；Roughing unit includes roughing circulating slot
1,1 upper right side of roughing circulating slot is equipped with the rougher cell 2 of top end opening, and 2 lateral wall top of rougher cell is fixed with interior bottom
The inclined roughing foam tank 3 in lower section, 3 inner roof wall height of roughing foam tank are higher than 2 tip height of rougher cell, roughing to wall to the left
The cavity that 3 inner sidewall of foam tank and 2 lateral wall top of rougher cell surround forms roughing foam storage area, rougher cell 2
Interior middle part is fixed with roughing mixing-material separating box 4, and the roughing erosion control cone 5 of cone upward, roughing are fixed in roughing mixing-material separating box 4
4 side wall of mixing-material separating box is fixed with the identical roughing releasing parts of multiple structures, roughing releasing parts include endcapped and
Side wall is connected with the roughing release pipe 6 of multiple roughing release nozzles 77, and 1 lower part of roughing circulating slot passes through with the thick of roughing circulating pump 7
The first pipe 8 is selected to connect with horizontal the second pipe of roughing 9,9 inner sidewall of the second pipe of roughing is equipped with wear-resistant coating and then makes the second pipe of roughing 9
Left and right ends internal diameter is big and middle part internal diameter is small, and the upper and lower side wall in 9 middle part of the second pipe of roughing is connected with roughing respectively and inhales medicine component, roughing
Inspiratory component, 9 left part of the second pipe of roughing, middle part, right part are respectively roughing import pipeline section 39, roughing trunnion section 40, roughing diffusion
Pipeline section 41,9 upper side wall of the second pipe of roughing at 40 left part of roughing trunnion section are connected with vertical roughing medicine absorbing tube 42 by screw thread, slightly
Medicine absorbing tube 42 is selected to be equipped with roughing medicament regulating valve 43,42 upper end of roughing medicine absorbing tube is connected with vertical roughing medicament and slot 44 is added,
9 lower wall of the second pipe of roughing at 40 left part of roughing trunnion section is connected with vertical roughing air intake duct 45, sets on roughing air intake duct 45
There is roughing air control valve 46, roughing medicine absorbing tube 42, roughing medicament regulating valve 43 and roughing medicament are added slot 44 and form roughing suction
Medicine component, roughing air intake duct 45 and roughing air control valve 46 form roughing inspiratory component, and roughing medicine absorbing tube 42 it is vertical in
Heart line and the vertical centerline of roughing air intake duct 45 coincide, and 9 right end of the second pipe of roughing is connected with the horizontal and closed roughing of right end
Third pipe 10,10 inner sidewall of roughing third pipe are equipped with abrasion-resistance screw coating, and 10 middle part lower wall of roughing third pipe passes through vertical thick
It selects and is connected in the middle part of the 4th pipe 11 and 4 roof of roughing mixing-material separating box；Selected unit includes selected circulating slot 12, selected flotation cell 13
With selected foam tank 14, sweeping unit includes sweeping circulating slot 15, sweeping flotation cell 16 and sweep foam tank 17, and two sweep unit packet
It includes two and sweeps circulating slot 18, two and sweep flotation cell 19 and two and sweep foam tank 20；Roughing circulating slot 1 is connected with former bauxite waste residue ore pulp pipe
21,2 lower sidewall of rougher cell passes through pipe 22, roughing underflow overflow pipe 23 and roughing circulating slot 1 in roughing, sweeps circulation
Slot 15 is respectively connected with, and 3 bottom wall left part of roughing foam tank is connected by roughing foamed pipe 24 with selected circulating slot 12, selected flotation cell
13 lower sidewalls distinguish phase by selected middle pipe 25, selected underflow overflow pipe 26 and selected circulating slot 12, roughing circulating slot 1
Even, selected 14 bottom wall left part of foam tank is connected by selected foamed pipe 27 with total smart collecting tank 28, is swept under 16 side wall of flotation cell
Portion is respectively connected with by sweeping middle pipe 29, sweeping underflow overflow pipe 30 with sweeping circulating slot 15, two and sweep circulating slot 18, sweeps bubble
17 bottom wall left part of foam slot is connected by sweeping foamed pipe 31 with roughing circulating slot 1, and two sweep 19 lower sidewall of flotation cell sweeps by two
Middle pipe 32, tailing underflow overflow pipe 33 sweep circulating slot 18 with two, tailing collecting tank 34 is respectively connected with, and two sweep 20 bottom wall of foam tank
Left part sweeps foamed pipe 35 by two and is connected with circulating slot 15 is swept.
Wherein, roughing circulating slot 1 is vertically arranged with rougher cell 2, and roughing circulating slot 1 is upper with rougher cell 2
The cylindrical shape in portion, the lower part of roughing circulating slot 1 and rougher cell 2 are in inverted conical shape, roughing foam tank 3 it is vertical and
The cylindrical shape in 3 top of roughing foam tank, the internal diameter of 3 inner sidewall of roughing foam tank from top to bottom is uniform, and roughing foam tank 3 pushes up
The vertical centerline of wall and the vertical centerline of rougher cell 2 coincide；Roughing mixing-material separating box 4 is vertical and cylindrical
Shape, roughing erosion control cone 5 are in normal cone shape, and roughing erosion control cone 5 is fixed in the middle part of 4 inner bottom wall of roughing mixing-material separating box, and roughing
Erosion control is bored 5 bottom surfaces and is directly contacted with 4 inner bottom wall of roughing mixing-material separating box, and roughing mixing-material separating box 4 is connected by more levels
Bar 79 is fixed at 2 top cylinder inner sidewall lower end of rougher cell, and the vertical centerline of roughing mixing-material separating box 4 and roughing are floating
The vertical centerline of slot 2 is selected to coincide.
Wherein, 4 lower sidewall of roughing mixing-material separating box is uniformly fixed with the roughing connection short tube 36 of multiple levels, roughing
Connection 36 end of short tube is fixed with horizontal roughing by hollow flange 37 and discharges pipe 6, and multiple roughing release nozzles 77 are uniform
It is distributed on roughing release 6 side wall of pipe, roughing release 6 end of pipe is fixed with for closing roughing release pipe 6 open-ended the
One blind plate 38, roughing connection short tube 36, roughing release pipe 6, roughing release nozzle 77 collectively constitute roughing with the first blind plate 38 and release
Put component.
Wherein, 8 upper right side of the first pipe of roughing is connected by hollow flange 37 with 9 left end of the second pipe of roughing, the second pipe of roughing 9
Right end is connected by hollow flange 37 with 10 left end of roughing third pipe, and 10 right end of roughing third pipe is fixed with for closing roughing the
Second blind plate 47 of three pipes, 10 right-end openings.
Wherein, former bauxite waste residue ore pulp pipe 21 is equipped with ore pulp feed pump 78, and the first pipe of roughing 8 is equipped with roughing first
Electric control valve 48, pipe 22 is equipped with the second electric control valve of roughing 49 in roughing, and selected unit further includes selected circulating pump
50, selected first pipe 51, selected second pipe 52, selected third pipe 53, selected 4th pipe 54, selected mixing-material separating box 55 with it is selected
Pipe 56 is discharged, selected first pipe 51 is equipped with selected first electric control valve 57, and selected middle pipe 25 is equipped with selected second electricity
Dynamic regulating valve 58, sweep unit further include sweep circulating pump 59, sweep the first pipe 60, sweep the second pipe 61, sweep third pipe 62,
Sweep the 4th pipe 63, sweep mixing-material separating box 64 and sweep release pipe 65, sweep the first pipe 60 be equipped with sweep the first electric adjustable
Valve 66 is saved, middle pipe 29 is swept and is equipped with and sweep the second electric control valve 67, two to sweep unit further include two sweeping circulating pump 68, two and sweeping
First pipe 69, two sweep the second pipe 70, two sweep third pipe 71, two sweep the 4th pipe 72, two sweep mixing-material separating box 73 and two sweep release pipe
74, two, which sweep the first pipe 69, sweeps the first electric control valve 75 equipped with two, and two, which sweep middle pipe 32, sweeps the second motorized adjustment equipped with two
Valve 76.
Wherein, the input terminal height of pipe 22 is higher than outlet side height, the input terminal of roughing underflow overflow pipe 23 in roughing
Height is higher than outlet side height, and the input terminal height of roughing foamed pipe 24 is higher than outlet side height, the input of selected middle pipe 25
End height is higher than outlet side height, and the input terminal height of selected underflow overflow pipe 26 is higher than outlet side height, selected foamed pipe 27
Input terminal height be higher than outlet side height, sweep middle pipe 29 input terminal height be higher than outlet side height, sweep underflow overflow
The input terminal height of flow tube 30 is higher than outlet side height, and the input terminal height for sweeping foamed pipe 31 is higher than outlet side height, and two sweep
The input terminal height of middle pipe 32 is higher than outlet side height, and it is high that the input terminal height of tailing underflow overflow pipe 33 is higher than outlet side
Degree, the two input terminal height for sweeping foamed pipe 35 are higher than outlet side height.
Floatation process of the above-mentioned ultralow grade alumyte waste residue without transmission bulk flotation device, comprising the following steps:
(1) ultralow grade alumyte waste residue ore is broken into system using two sections of Hubei Province and is crushed to 3mm hereinafter, miberal powder feeding is dry after broken
Mine canopy carries out mixed mine and storage, will mix coarse mineral powder by lower mine mouth after forklift mixing and is discharged in ground lower belt, and passes through underground
Belt will mix coarse mineral powder and be transported to raw ore feed bin, and mixing coarse mineral powder is uniformly sent into ball mill using rock feeder, and is added and follows
Ring water and sodium carbonate liquor, the additional amount of recirculated water are 1-1.5 times of miberal powder weight, and using double storehouse ball mill ore grindings, ore grinding is thin
Degree is the 90-95% of the total ore quality of 0.074mm grade mineral Zhan, and mixing mineral fine is discharged to obtain after ball mill ore grinding, mixes thin mine
Powder enters in cyclone through feeding pump, and underflow and fine grained overflow pulp are obtained after classification, and the underflow after classification returns to ball mill again
Ore grinding；
(2) the fine grained overflow pulp in step (1) after classification passes through former bauxite waste residue under the action of ore pulp feed pump 78
Ore pulp pipe 21 enters in roughing circulating slot 1, and the fine grained overflow pulp in roughing circulating slot 1 is under the action of roughing circulating pump 7
Entered in the second pipe of roughing 9 by the first pipe of roughing 8, swiftly flowing ore pulp enters from roughing import pipeline section 39 and entering slightly
Negative pressure state is formed after selecting trunnion section 40, medicament, air inhale medicine component, roughing suction unit by roughing respectively under the action of negative pressure
Part is inhaled into roughing trunnion section 40, so medicament in roughing trunnion section 40, air and ore pulp occur sharp impacts, mix,
Absorption and mineralising, the high turbulent condition that the ore pulp that solid, liquid, gas three mix sprays diffusion to roughing diffuser enter roughing the
Three pipes 10, resistance of the ore pulp that solid, liquid, gas three mix by the abrasion-resistance screw coating being arranged on 10 inner sidewall of roughing third pipe
Hinder, and then helically state flows the ore pulp that mixes of solid, liquid, gas three in roughing third pipe 10, solid, liquid, gas three mix
Barrier of the ore pulp when moving at 10 right end of roughing third pipe by the second blind plate 47 after, mine that solid, liquid, gas three mix
Slurry, which returns, to be formed turbulent state and is entered in roughing mixing-material separating box 4 by the 4th pipe 11 of roughing, what solid, liquid, gas three mixed
Ore pulp, which is fallen on roughing erosion control cone 5, to be dispersed, is buffered, and ore pulp discharges multiple roughings on pipe 6 by each roughing again and discharges spray
Mouth 77 is ejected into rougher cell 2, and ore pulp forms the roughing foam of a large amount of good dispersion properties and anxious in rougher cell 2
Play is floated, and roughing foam enters in roughing foam tank 33 in turn, and ore pulp passes through pipe in roughing in the roughing in rougher cell 2
The 22 roughing foams that are flowed into roughing circulating slot 1 naturally by flotation again, in roughing foam tank 33 are excessive by roughing foamed pipe 24
Stream enters in selected circulating slot 12, and the roughing underflow in rougher cell 2 is entered by 23 overflow of roughing underflow overflow pipe to be swept
In circulating slot 15, wherein the mineral grain size in roughing in ore pulp is greater than the mineral grain size in roughing underflow；
(3) the roughing foam in step (2) in selected circulating slot 12 obtains selected foam, essence under the flotation effect of selected unit
Ore pulp and selected underflow are chosen, the selected middle ore pulp in selected flotation cell 13 flows into selected circulation by selected middle pipe 25 naturally
By flotation again in slot 12, the selected foam in selected foam tank 14 is entered in total essence collecting tank 28 by selected foamed pipe 27,
Enter concentrate sedimenting system obtains concentrate, selected flotation cell through sedimentation, concentration, filters pressing to selected foam in total essence collecting tank 28 in turn
Selected underflow in 13 is entered in roughing circulating slot 1 by selected 26 overflow of underflow overflow pipe by flotation again, wherein in selected
Mineral grain size in ore pulp is greater than the mineral grain size in selected underflow；
(4) the roughing underflow swept in step (2) in circulating slot 15 obtains sweeping foam, one under the flotation effect for sweeping unit
It sweeps and middle ore pulp and sweeps underflow, the middle ore pulp that sweeps swept in flotation cell 16 is flowed into naturally by sweeping middle pipe 29 and sweeps circulation
By flotation again in slot 15, the foam that sweeps swept in foam tank 17 enters quilt in roughing circulating slot 1 by sweeping foamed pipe 31
Flotation again, the underflow that sweeps swept in flotation cell 16 are swept in circulating slot 18 by sweeping 30 overflow of underflow overflow pipe into two,
It wherein sweeps the mineral grain size in middle ore pulp and is greater than the mineral grain size swept in underflow；
(5) it two sweeps sweeping in circulating slot 18 in step (4) and obtains two under the flotation effect that underflow sweeps unit two and sweep foam, two
Sweep middle ore pulp and tailing underflow, two sweep in flotation cell 19 two sweep middle ore pulp and by two sweep middle pipe 32 and flow into two naturally and sweep circulation
By flotation again in slot 18, two sweep in foam tank 20 two sweep foam and by two sweep foamed pipe 35 and enter and sweep quilt in circulating slot 15
Flotation again, the two tailing underflows swept in flotation cell 19 are entered in tailing collecting tank 34 by 33 overflow of tailing underflow overflow pipe,
Tailing underflow in tailing collecting tank 34 enters tailing sedimenting system in turn and is discharged through sedimentation, concentration, filters pressing.
Wherein,
Selected foam in step (3) is concentrate slurry, and concentrate slurry concentration reaches 30-50%, and concentrate sedimenting system includes that concentrate sedimentation is dense
Contracting slot and concentrate plate and frame filter press, concentrate slurry enter in concentrate sedimentation concentration slot, and flocculation is added in concentrate sedimentation concentration slot
Agent, so concentrate slurry by rapid subsidence, concentration, concentration concentrate slurry directly through the filters pressing of concentrate plate and frame filter press, be dehydrated to obtain concentrate, take off
Concentrate water content 15% or so after water, concentrate are used as alumina producer ingredient, and concentrate overflow water is back to concentrate water circulating slot as floating
System defoaming water is selected to use, concentrate filters pressing water is back to concentrate sedimentation concentration slot；Tailing underflow in step (5) is Tailings Slurry,
Tailing sedimenting system includes tailing sedimentation concentration slot and tailing plate and frame filter press, and Tailings Slurry enters in tailing sedimentation concentration slot, and
Flocculant is added in tailing sedimentation concentration slot, and then Tailings Slurry is concentrated directly through tailing plate by rapid subsidence, concentration in Tailings Slurry
The filters pressing of frame filter press is dehydrated to obtain tailing, tailing water content 15-18% after dehydration, and tailing is used as brick-making raw material, and tailing overflow water returns
It flow to tailing water circulating slot to reuse for ball mill ore grinding water, tailings characteristic water is back to tailing sedimentation concentration slot；Thus
Entire flotation unit is recycled with water, it is only necessary to supplement a small amount of new water, reached energy-saving and water-saving purpose, entire flotation unit without
The discharge of ore dressing sewage, realizes sewage " zero-emission "；
The amount that the combined capturing and collecting agent of medicine component self-priming is inhaled in roughing in roughing unit is 600-1000g/t raw ore, is swept one in unit
Sweep that inhale the amount of the combined capturing and collecting agent of medicine component self-priming be 100-150g/t raw ore, two, which sweep in unit two, sweeps the group for inhaling medicine component self-priming
The amount for closing collecting agent is 100-150g/t raw ore；
The alumina silica ratio of ultralow grade alumyte waste residue is 1.5-2, Al in ultralow grade alumyte waste residue2O3Content is 46-50%,
Al in gained concentrate after flotation2O3Content is 55-70%, and the alumina silica ratio of gained concentrate is 5.5-7 after flotation, gained tailing after flotation
Middle Al2O3Content is 34-38%, and the alumina silica ratio of gained tailing is 0.9-1.2 after flotation, and full factory's power consumption is less than 31KWh/t raw ore,
Collecting agent consumes 800-1000g/t raw ore, hexa metaphosphoric acid sodium waste 40g/t raw ore, and ore grinding ball consumes 300g/t raw ore, ore processing
Cost 65 yuan/t raw ore, concentrate yield 45-60%, Al2O3Overall recovery is 60%.
Claims (10)
1. a kind of ultralow grade alumyte waste residue is without transmission bulk flotation device, it is characterised in that: including being from left to right sequentially arranged
And it the identical selected unit of structure, roughing unit, sweeps unit and two and sweeps unit；Roughing unit includes roughing circulating slot, roughing
Circulating slot upper right side is equipped with the rougher cell of top end opening, and rougher cell lateral wall top is fixed with inner bottom wall lower section to the left
Inclined roughing foam tank, roughing foam tank inner roof wall height are higher than rougher cell tip height, roughing foam tank inner sidewall
Roughing foam storage area is formed with the cavity that rougher cell lateral wall top surrounds, middle part is fixed with roughing in rougher cell
Mixing-material separating box, the roughing erosion control cone of cone upward is fixed in roughing mixing-material separating box, and roughing mixing-material separating box side wall is fixed
The identical roughing releasing parts of multiple structures are connected with, roughing releasing parts include endcapped and side wall is connected with multiple roughing releases
The roughing of nozzle discharges pipe, and roughing circulating slot lower part is connected by the pipe of roughing first with roughing circulating pump with horizontal the second pipe of roughing
It connects, roughing the second pipe inner sidewall is equipped with wear-resistant coating and then keeps the second pipe of roughing left and right ends internal diameter big and middle part internal diameter is small, slightly
Upper and lower side wall in the middle part of the second pipe is selected to be connected with roughing suction medicine, inspiratory component respectively, roughing the second pipe right end is connected with horizontal and right end seal
The roughing third pipe closed, roughing third pipe inner sidewall are equipped with abrasion-resistance screw coating, and lower wall passes through vertical in the middle part of roughing third pipe
The pipe of roughing the 4th is connected with roughing mixing-material separating box roof；Selected unit includes selected circulating slot, selected flotation cell and selected bubble
Foam slot, sweeping unit includes sweeping circulating slot, sweep flotation cell and sweeping foam tank, and two, which sweep unit, sweeps circulating slot, two including two
It sweeps flotation cell and two and sweeps foam tank；Roughing circulating slot is connected with former bauxite waste residue ore pulp pipe, and rougher cell lower sidewall passes through
Pipe, roughing underflow overflow pipe and roughing circulating slot in roughing sweep circulating slot and are respectively connected with, and roughing foam groove bottom wall left part is logical
It crosses roughing foamed pipe to be connected with selected circulating slot, selected flotation cell lower sidewall passes through selected middle pipe, selected underflow overflow pipe
It is respectively connected with selected circulating slot, roughing circulating slot, selected foam groove bottom wall left part passes through selected foamed pipe and total smart collecting tank
It is connected, sweeps flotation cell lower sidewall by sweeping middle pipe, sweeping underflow overflow pipe and sweeping circulating slot, two sweep circulating slot point
Not Xiang Lian, sweep foam groove bottom wall left part and be connected by sweeping foamed pipe with roughing circulating slot, two to sweep flotation cell lower sidewall logical
It crosses two and sweeps that middle pipe, tailing underflow overflow pipe with two sweep circulating slot, tailing collecting tank is respectively connected with, two sweep foam groove bottom wall left part
Foamed pipe is swept by two to be connected with circulating slot is swept.
2. a kind of ultralow grade alumyte waste residue according to claim 1 is without transmission bulk flotation device, it is characterised in that: thick
Circulating slot is selected to be vertically arranged with rougher cell, the cylindrical shape in the top of roughing circulating slot and rougher cell, roughing
The lower part of circulating slot and rougher cell is in inverted conical shape, and roughing foam tank is vertical and roughing foam tank top is cylindrical
Shape, the internal diameter of roughing foam tank inner sidewall from top to bottom is uniform, and the vertical centerline of roughing foam tank roof and roughing flotation
The vertical centerline of slot coincides.
3. a kind of ultralow grade alumyte waste residue according to claim 2 is without transmission bulk flotation device, it is characterised in that: thick
Select mixing-material separating box vertical and cylindrical shape, roughing erosion control cone is in normal cone shape, and roughing erosion control cone is fixed on roughing mixing
In the middle part of distribution box inner bottom wall, and roughing erosion control cone bottom surface is directly contacted with roughing mixing-material separating box inner bottom wall, and roughing mixes
Distribution box is fixed at rougher cell top cylinder inner sidewall lower end by more waling stripes, and roughing mixing-material separating box erects
The vertical centerline of straight center line and rougher cell coincides.
4. a kind of ultralow grade alumyte waste residue according to claim 1 is without transmission bulk flotation device, it is characterised in that: thick
Mixing-material separating box lower sidewall is selected uniformly to be fixed with the roughing connection short tube of multiple levels, roughing connection short tube end passes through sky
Heart flange is fixed with horizontal roughing release pipe, and multiple roughing release nozzles are uniformly distributed on roughing release pipe side wall, slightly
Choosing release pipe end is fixed with the first blind plate for closing roughing release pipe end opening, and roughing connects short tube, roughing release
Pipe, roughing release nozzle and the first blind plate collectively constitute roughing releasing parts.
5. a kind of ultralow grade alumyte waste residue according to claim 1 is without transmission bulk flotation device, it is characterised in that: thick
Selecting the second pipe left part, middle part, right part is respectively roughing import pipeline section, roughing trunnion section, roughing diffusion pipeline section, roughing trunnion Duan Zuo
Roughing the second pipe upper side wall at portion is connected with vertical roughing medicine absorbing tube by screw thread, and roughing medicine absorbing tube is equipped with roughing medicament tune
Valve is saved, roughing medicine absorbing tube upper end is connected with vertical roughing medicament and slot is added, on the downside of the second pipe of roughing at roughing trunnion section left part
Wall is connected with vertical roughing air intake duct, and roughing air intake duct is equipped with roughing air control valve, and roughing medicine absorbing tube, roughing medicament are adjusted
Valve and roughing medicament are added slot composition roughing and inhale medicine component, and roughing air intake duct and roughing air control valve form roughing suction unit
Part, and the vertical centerline of roughing medicine absorbing tube and the vertical centerline of roughing air intake duct coincide.
6. a kind of ultralow grade alumyte waste residue according to claim 1 is without transmission bulk flotation device, it is characterised in that: thick
The first pipe upper right side is selected to be connected by hollow flange with the second pipe of roughing left end, roughing the second pipe right end is by hollow flange and slightly
Third pipe left end is selected to be connected, roughing third pipe right end is fixed with the second blind plate for closing roughing third pipe right-end openings.
7. a kind of ultralow grade alumyte waste residue according to claim 1 is without transmission bulk flotation device, it is characterised in that: former
Bauxite waste residue ore pulp pipe is equipped with ore pulp feed pump, and the first pipe of roughing is equipped with the first electric control valve of roughing, roughing chats
Pipe is equipped with the second electric control valve of roughing, and selected unit further includes selected circulating pump, selected first pipe, selected second pipe, essence
Third pipe, selected 4th pipe, selected mixing-material separating box and selected release is selected to manage, selected first pipe is equipped with selected first electric adjustable
Save valve, selected middle pipe be equipped with selected second electric control valve, sweep unit further include sweep circulating pump, sweep the first pipe,
The second pipe is swept, third pipe is swept, sweep the 4th pipe, sweep mixing-material separating box and sweeps release pipe, the first pipe is swept and is equipped with
The first electric control valve is swept, middle pipe is swept and is equipped with and sweep the second electric control valve, two to sweep unit further include two sweeping circulation
Pump, two sweep the first pipe, two sweep the second pipe, two sweep third pipe, two sweep the 4th pipe, two sweep mixing-material separating box with two sweep release manage, two
It sweeps the first pipe and sweeps the first electric control valve equipped with two, two, which sweep middle pipe, sweeps the second electric control valve equipped with two.
8. a kind of ultralow grade alumyte waste residue according to claim 1 is without transmission bulk flotation device, it is characterised in that: thick
The input terminal height of pipe is chosen to be higher than outlet side height, the input terminal height of roughing underflow overflow pipe is higher than outlet side height,
The input terminal height of roughing foamed pipe is higher than outlet side height, and the input terminal height of selected middle pipe is higher than outlet side height, essence
The input terminal height of underflow overflow pipe is selected to be higher than outlet side height, the input terminal height of selected foamed pipe is higher than outlet side height,
The input terminal height for sweeping middle pipe is higher than outlet side height, and the input terminal height for sweeping underflow overflow pipe is higher than outlet side height
Degree, the input terminal height for sweeping foamed pipe are higher than outlet side height, and the two input terminal height for sweeping middle pipe are higher than outlet side height,
The input terminal height of tailing underflow overflow pipe is higher than outlet side height, and it is high that the two input terminal height for sweeping foamed pipe are higher than outlet side
Degree.
9. floatation process of the above-mentioned ultralow grade alumyte waste residue without transmission bulk flotation device, it is characterised in that including following step
It is rapid:
(1) ultralow grade alumyte waste residue ore is broken into system using two sections of Hubei Province and is crushed to 3mm hereinafter, miberal powder feeding is dry after broken
Mine canopy carries out mixed mine and storage, will mix coarse mineral powder by lower mine mouth after forklift mixing and is discharged in ground lower belt, and passes through underground
Belt will mix coarse mineral powder and be transported to raw ore feed bin, and mixing coarse mineral powder is uniformly sent into ball mill using rock feeder, and is added and follows
Ring water and sodium carbonate liquor, the additional amount of recirculated water are 1-1.5 times of miberal powder weight, and using double storehouse ball mill ore grindings, ore grinding is thin
Degree is the 90-95% of the total ore quality of 0.074mm grade mineral Zhan, and mixing mineral fine is discharged to obtain after ball mill ore grinding, mixes thin mine
Powder enters in cyclone through feeding pump, and underflow and fine grained overflow pulp are obtained after classification, and the underflow after classification returns to ball mill again
Ore grinding；
(2) the fine grained overflow pulp in step (1) after classification passes through former bauxite waste residue mine under the action of ore pulp feed pump
Slurry pipe enters in roughing circulating slot, and the fine grained overflow pulp in roughing circulating slot passes through roughing under the action of roughing circulating pump
First pipe enters in roughing second manages, and swiftly flowing ore pulp enters from roughing import pipeline section and the shape after entering roughing trunnion section
At negative pressure state, medicament, air inhale medicine by roughing respectively under the action of negative pressure, inspiratory component is inhaled into roughing trunnion section,
And then medicament, air and the ore pulp in roughing trunnion section occur sharp impacts, mix, absorption and mineralising, solid, liquid, gas three-phase it is mixed
The high turbulent condition that the ore pulp of conjunction sprays diffusion to roughing diffuser enters roughing third pipe, the mine that solid, liquid, gas three mix
The obstruction by the abrasion-resistance screw coating being arranged on roughing third pipe inner sidewall is starched, and then the ore pulp that solid, liquid, gas three mix exists
In roughing third pipe helically state flow, the ore pulp that solid, liquid, gas three mix when moving at roughing third pipe right end by
To after the barrier of the second blind plate, the ore pulp that solid, liquid, gas three mix returns to form turbulent state and enter by the 4th pipe of roughing
In roughing mixing-material separating box, the ore pulp that solid, liquid, gas three mix, which is fallen on roughing erosion control cone, to be dispersed, is buffered, and ore pulp leads to again
The multiple roughings release nozzle crossed on each roughing release pipe is ejected into rougher cell, and ore pulp is formed greatly in rougher cell
It measures the roughing foam of good dispersion property and sharply floats, roughing foam enters in roughing foam tank in turn, in rougher cell
Roughing in ore pulp flows into that roughing circulating slot is interior by flotation again naturally by pipe in roughing, the roughing in roughing foam tank is steeped
Foam is entered in selected circulating slot by the overflow of roughing foamed pipe, and the roughing underflow in rougher cell passes through roughing underflow overflow pipe
Overflow, which enters, to be swept in circulating slot, and wherein the mineral grain size in roughing in ore pulp is greater than the mineral grain ruler in roughing underflow
It is very little；
(3) the roughing foam in step (2) in selected circulating slot obtains selected foam, selected under the flotation effect of selected unit
Middle ore pulp and selected underflow, the selected middle ore pulp in selected flotation cell flow into quilt in selected circulating slot by selected middle pipe naturally
Flotation again, the selected foam in selected foam tank is entered in total smart collecting tank by selected foamed pipe, in total essence collecting tank
Selected foam enters concentrate sedimenting system in turn and obtains concentrate through sedimentation, concentration, filters pressing, and the selected underflow in selected flotation cell passes through
Selected underflow overflow pipe overflow enters in roughing circulating slot by flotation again, wherein the mineral grain size in selected middle ore pulp is big
Mineral grain size in selected underflow；
(4) the roughing underflow swept in step (2) in circulating slot is obtained sweeping foam, be swept under the flotation effect for sweeping unit
Middle ore pulp and underflow is swept, the middle ore pulp that sweeps swept in flotation cell flows into naturally by sweeping middle pipe and sweeps quilt in circulating slot
Flotation again, the foam that sweeps swept in foam tank are entered in roughing circulating slot by flotation again by sweeping foamed pipe, are swept
The underflow that sweeps in flotation cell is swept in circulating slot by sweeping underflow overflow pipe overflow into two, wherein sweeping the mine in middle ore pulp
Composition granule size is greater than the mineral grain size swept in underflow；
(5) it two sweeps sweeping in circulating slot in step (4) and obtains two under the flotation effect that underflow sweeps unit two and sweep foam, two sweep
Middle ore pulp and tailing underflow, two sweep in flotation cell two sweep middle ore pulp and by two sweep middle pipe and flow into two naturally and sweep quilt in circulating slot
Flotation again, two sweep in foam tank two sweep foam and by two sweep foamed pipe and enter to sweep and swept by flotation again, two in circulating slot
Tailing underflow in flotation cell is entered in tailing collecting tank by tailing underflow overflow pipe overflow, the tailing bottom in tailing collecting tank
It flows into and enters tailing sedimenting system and be discharged through sedimentation, concentration, filters pressing.
10. floatation process of the ultralow grade alumyte waste residue according to claim 9 without transmission bulk flotation device, feature
It is:
Selected foam in step (3) is concentrate slurry, and concentrate slurry concentration reaches 30-50%, and concentrate sedimenting system includes sedimentation concentration slot
With plate and frame filter press, concentrate slurry enters in sedimentation concentration slot, and flocculant is added in sedimentation concentration slot, and then concentrate slurry is fast
Speed sedimentation, concentration, concentration concentrate slurry directly through plate and frame filter press filters pressing, be dehydrated to obtain concentrate, concentrate water content 15% is left after dehydration
The right side, concentrate are used as alumina producer ingredient；
Tailing underflow in step (5) is Tailings Slurry, and tailing sedimenting system includes sedimentation concentration slot and plate and frame filter press, Tailings Slurry
Into in sedimentation concentration slot, and flocculant is added in sedimentation concentration slot, and then tail is concentrated by rapid subsidence, concentration in Tailings Slurry
Ore pulp directly through plate and frame filter press filters pressing, be dehydrated to obtain tailing, tailing water content 15-18% after dehydration, tailing be used as brick-making raw material；
The amount that the combined capturing and collecting agent of medicine component self-priming is inhaled in roughing in roughing unit is 600-1000g/t raw ore, is swept one in unit
Sweep that inhale the amount of the combined capturing and collecting agent of medicine component self-priming be 100-150g/t raw ore, two, which sweep in unit two, sweeps the group for inhaling medicine component self-priming
The amount for closing collecting agent is 100-150g/t raw ore；
The alumina silica ratio of ultralow grade alumyte waste residue is 1.5-2, Al in ultralow grade alumyte waste residue2O3Content is 46-50%, is floated
Al in gained concentrate after choosing2O3Content is 55-70%, and the alumina silica ratio of gained concentrate is 5.5-7 after flotation, after flotation in gained tailing
Al2O3Content is 34-38%, and the alumina silica ratio of gained tailing is 0.9-1.2 after flotation.
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Application publication date: 20190903 |