CN105597947A - Cyclone type mineral flotation and defoaming device with induced draft fan convenient to disassemble - Google Patents
Cyclone type mineral flotation and defoaming device with induced draft fan convenient to disassemble Download PDFInfo
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- CN105597947A CN105597947A CN201610123117.8A CN201610123117A CN105597947A CN 105597947 A CN105597947 A CN 105597947A CN 201610123117 A CN201610123117 A CN 201610123117A CN 105597947 A CN105597947 A CN 105597947A
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- impeller
- cyclone
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- air
- fan
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
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- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a cyclone type mineral flotation and defoaming device with an induced draft fan convenient to disassemble. The cyclone type mineral flotation and defoaming device is characterized in that a flotation machine is connected with a foam feeding hopper, the foam feeding hopper is connected with the induced draft fan by a primary cyclone separator, secondary cyclone separators are connected with the induced draft fan, an exhaust pipe is connected to the tops of the secondary cyclone separators, discharge pipes at the bottoms of the primary cyclone separator and the secondary cyclone separators are connected with a spiral conveyor, and a discharge outlet of the spiral conveyor is connected with a sedimentation tank; an impeller of the induced draft fan can timely clean dust by the aid of centrifugal force. The cyclone type mineral flotation and defoaming device has the advantages that emission and water consumption can be reduced, chemicals can be saved, the cyclone type mineral flotation and defoaming device is high in defoaming speed, more importantly, disassembling technologies for the induced draft fan are changed to a great extent, accordingly, pressures of components similar to nuts on the end surfaces of shaft shoulders of screws can be easily eliminated when the induced draft fan is disassembled, the problem that an existing induced draft fan assembled in a threaded manner is continuously automatically locked under the effects of load and is difficult to detach can be effectively solved, the cyclone type mineral flotation and defoaming device is particularly applicable to conveniently and quickly detaching large fans after the large fans are locked in a threaded manner, and particularly obvious effects can be realized.
Description
Technical field
The present invention relates to a kind of cyclone type mineral floating foam device that disappears, specifically guide the blower fan can laying dust and the cyclone type mineral floating being convenient to the disassemble foam device that disappears.
Background technology
Flotation is according to the difference of mineral grain Surface Physical Chemistry character, carries out the method for sorting by the difference of mineral floatability. Most of ores all can be used flotation sorting, as sorting of the nonmetallic ores such as coal, coal fluorite, talcum, especially the metals such as lead, zinc, molybdenum, mercury, copper and oxidized ore are had to good sorting result.
Flotation is to be flooded lubricant nature with mineral not to be all basic beneficiation method, and object is exactly to make mineral can optionally be attached to foam the floating of air, medicament and water generates, realizes and separating. After flotation completes, need to carry out rear step processing, be mainly the sedimentation separation of foam and mineral of disappearing, to adapt to smelting and the processing needs in later stage.
The conventional foam method that disappears is mainly that nature Froth is deposited in pond, adopt and add water and the method for the Froth agent foam that disappears, but this method need to consume a large amount of water, and due to a large amount of flotation agent of outer row and Froth agent, environment caused to severe contamination.
Air-introduced machine is the disappear key equipment of foam device of cyclone type; air-introduced machine is generally centrifugal blower; air-introduced machine continuously, stable, reliably working is very crucial; the occasion using due to the foam device that disappears all contains certain dust mostly; when air-introduced machine work; when the draught fan impeller of air-flow by High Rotation Speed, due to centrifugation, dust granule can depart from air-flow phase and deposit and be attached on draught fan impeller.
Draught fan impeller rotating speed is generally all higher, as long as there is micro-dust to exist in air-flow, after working long hours, all can accumulate more dust, thereby change the balance of draught fan impeller rotation, if draught fan impeller does not have yet not cleaning in time of self purification to dust, will cumulative and progressively change the Static and dynamic balance of draught fan impeller, thereby produce vibration. Have the dust that part hardens to be come off by vibration once run into, will, immediately away from the dynamic rotary balance of air-introduced machine, then produce judder, this may cause serious personnel and device security accident.
On the other hand, the structure of common blower fan is all generally that fan shaft one end is draught fan impeller, and the other end is motor power input, is often shaft coupling. Because blower fan is all generally long-time continuous operation, so bearing is fragile, change bearing and generally need first dismantle the shaft coupling of draught fan impeller and the other end, but the assembling of existing fan shaft and draught fan impeller, shaft coupling belongs to typical axle, hole interference fit, and carry transmission by key. The common requirement on machining accuracy of interference fit is higher, and associative key connects to realize torque bearing function, and assembling generally all needs to load very large extruding force, if there is no professional equipment and instrument, dismounting is all very inconvenient.
Be threaded have processing simple, assemble convenient, simultaneously also there is unidirectional carrying torque functions, therefore, if can adopt and be threaded and realize transmission in being connected of fan shaft and hole, it is all comparatively convenient to make it to assemble and dismantle, and possesses higher practical value and market application foreground. Coordinate with hole at actual axle in motion thread assembling, in order to realize large bearing function demand, thread spindle is all larger with the scantling of the similar nut member matching, and it is often all also very easily convenient in the time of assembling, to screw in, and in use can realize the constantly locking automatically of bearing capacity, thereby very reliable, but in when dismounting, assemble very tightly often, dismantle very difficult, if can realize simple easy removal under this condition, seem particularly important.
Therefore, if can design the one foam device that disappears, make its blower fan can not only Automatic clearance dust, and dismounting and maintenance all very convenient, for promote mineral floating disappear foam device technological progress and stop security incident and all have the meaning of particular importance.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art exactly, provides a kind of blower fan can not only Automatic clearance dust, and dismounting and the maintenance cyclone type mineral floating that all air-introduced machine is convenient to disassemble the very easily foam device that disappears.
For overcoming the deficiencies in the prior art, the present invention takes following technical scheme:
The cyclone type mineral floating that a kind of air-introduced machine is convenient to the disassemble foam device that disappears, comprise flotation device, enter foam hopper, primary cyclone, air-introduced machine, secondary cyclone, blast pipe, auger conveyor and settling tank, it is characterized in that: flotation device connects into foam hopper, enter foam hopper and connect air-introduced machine through primary cyclone, air-introduced machine connects secondary cyclone, the top of secondary cyclone connects blast pipe, primary cyclone is all connected auger conveyor with the discharge nozzle of secondary cyclone bottom, the discharging opening of auger conveyor connects settling tank, described air-introduced machine comprises draught fan impeller, bearing, fan shaft and shaft coupling, and shaft coupling and fan shaft and draught fan impeller and fan shaft all adopt Screw assembly, and thread rotary orientation is the direction with carrying auto lock with work, the similar nut of draught fan impeller is by being threaded with fan shaft and impeller plain washer, copper-lead being reversed to composite pad and compress, and draught fan impeller and fan shaft one end form screw thread and be rigidly connected, clip part is inserted in the fan shaft other end, then shaft coupling plain washer is inserted in to fan shaft, then screws in the shaft coupling of similar nut, more rationally all locking, makes the shaft coupling of clip part and similar nut and the fan shaft other end also form and be rigidly connected, it is the copper packing that punch process becomes that described copper-lead reverses composite pad, and it is outer is with fin, then in copper packing both sides compound fusible lead alloy packing ring, described clip part is made up of clip, clip ear, clip pad and bolt, clip cross section is wedge shape, formed opening structure by two semicircular ring clip bodies, clip pad is opened elliptical aperture to strengthen axial elasticity, clip pad two ends are planar structure, be convenient to coordinate with shaft shoulder plane, clip uses bolt through the hole on clip ear, is assemblied on clip pad and becomes one.
Described draught fan impeller comprises impeller backboard, impeller panel, primary blades and auxiliary blade, primary blades be dull and stereotyped profile and be arranged to impeller shaft radially, centrosymmetric emitting shape; Primary blades connects impeller panel and is welded into impeller bodies with impeller backboard; Impeller panel is provided with air inlet, and impeller backboard and primary blades inner edge connect into firm one by welding and blower fan axle bed, and blower fan axle bed is connected by axis hole and fan shaft; Blower fan auxiliary blade and impeller panel, backboard, primary blades all form three-legged structure.
Described auger conveyor passes through chain wheel drive by motor and reductor.
Described secondary cyclone is formed in parallel by 3-6 cyclone separator.
Described settling tank bottom is provided with blowoff valve.
Described settling tank is connected circulating pump through pipeline with valve, and circulating pump can be squeezed into flotation device by the supernatant of settling tank or enter in foam hopper or pipeline through pipeline and valve, the multiple effects such as realization recycles, pipeline cleaning.
Blower fan has been the power of foam delivery and Froth sorting, flotation device overflows with a large amount of foams of flotation mineral grain and enters hopper, by the at a high speed tangential suction primary cyclone of blower fan, the inside and outside two-layer eddy flow of the inner formation of cyclone separator, solid particle, liquid, gas, in the rotation of cyclone separator inner high speed, are realized centrifugal Froth and gas-liquid separation.
The liquid separating is mingled with mineral grain and is centrifuged and gets rid of to barrel, dirty, falls into auger conveyor by discharge nozzle in water seal effect, and not yet thoroughly the gas of separating mineral particle is carried by cyclone separator central tube connecting fan, carries out secondary cyclone separation.
Blower fan High Rotation Speed, foam material by time there is strong Froth effect, primary cyclone is as prime processing, and volume larger process ability is large, but diameter considerable influence separation factor, so secondary cyclonic separation is generally composed in parallel by 3-6 whirly separator, multiple whirly separators can ensure separating effect, can reach again disposal ability requirement, and exhaust main is discharged compared with pure gas, liquid and mineral grain are caught in a large number, fall into auger conveyor by discharge nozzle in water seal effect.
The discharge nozzle of cyclone separator bottom falls into liquid level in water seal effect, makes mineral powder granular and liquid import liquid pool, and mineral powder granular delivers into settling tank by auger conveyor and concentrates, and is convenient to rear step processing.
Flotation fluid in settling tank can draw up clear liquid by circulating pump and recycle, and squeezes into flotation device or enters in foam hopper or pipeline, the multiple effects such as realization recycles, pipeline cleaning.
When draught fan impeller of the present invention uses, due to the major-minor sharf radial center of blower fan symmetry, blade is in the time of High Rotation Speed, blade surface has powerful centrifugal surperficial self purification under powerful centrifugal action, dust cannot adhere to and can realize rapid centrifugation, can not affect dynamic, the static balancing of impeller, be applicable to large flow, the conveying of high-power, anti-laying dust air-flow. Impeller panel, backboard, primary blades, auxiliary blade all form radially centrosymmetric structure of leg-of-mutton axle, make its blower fan backboard connecting and the anti-relative torsion of panel, extruding rigidity extremely strong, can stop blower fan primary blades completely and connect the fatigue fracture that backboard root causes because of carrying Moment, use thinner board making also can obtain higher intensity, ensure stable, reliably use, the Impeller Design of this spline structure is particularly suitable for thin plate and makes, be convenient to save material, be conducive to light and handyization of equipment.
In the time that air-introduced machine need be dismantled and overhaul, utilize the copper-lead of innovative design to reverse composite pad, clip part, pass through operation readiness, can simply eliminate the pressure of similar nut member to screw shaft shoulder end face, at this moment nut and screw part, in unloading vacant state, are taken apart and are become equally simple and convenient with Screw assembly, be used for solving Screw assembly continuous auto lock under load effect, not easily detachable technical barrier, in large fan shaft components screw-threaded coupling field, it is particularly important that such function seems.
When draught fan impeller need to be dismantled but very at need, the copper packing that adopts oxy arc to reverse in the middle of Composition spacer copper-lead carries out oxy arc heat treated, because the conductivity of heat of copper is fabulous, and the fusing point of metal is lower, the metal melting of being heated after heating, the compression tensile force of draught fan impeller and shaft shoulder step is eliminated completely, makes draught fan impeller in vacant state completely, is easy to especially dismounting.
When the shaft coupling parts of similar nut need to be dismantled but very at need, bolt is pulled down with spanner, because two semicircular ring clip bodies are for being fast wedge shape to opening structure and clip body section, can connect to close up easily from two clip ears with the flat instrument in one end and pry open, clip easy removal is got off, clip pad is got back to relaxed state, tensile force after the locking of shaft coupling parts and shaft shoulder end face is eliminated completely, the shaft coupling parts that make similar nut, in vacant state completely, are easy to dismounting especially.
Compared with prior art, beneficial effect of the present invention be also significantly the to have taken on a new look dismounting technology of air-introduced machine, can effectively solve air-introduced machine Screw assembly continuous not easily detachable problem of auto lock under load effect, be particularly suitable for the convenient dismounting after large fan screw-threaded coupling, effect is particularly remarkable, be mainly reflected in following some:
1, do not change the feature of Screw assembly, only need add Pot metal composite pad, clip pad and clip, low being also easy to especially of cost realized; 2, Pot metal composite pad, clip pad can play good stress decomposition, effectively strengthen the bearing capacity of structure, and clip pad is opened elliptical aperture can effectively strengthen clip pad axial elasticity; 3, use very cleverly the Assembly And Disassembly of the design of Pot metal composite pad hot melt and clip, realize tensioning and the lax function of axial accessory, the effectively quick tensile force of eliminating similar nut locking, realizes the assembly rapid and convenient dismounting of tight especially similar nut member Screw assembly; 4, the wedged dress distribution structure of clip pad and clip is convenient to repeatedly quick assembly and disassembly use.
Brief description of the drawings
Fig. 1 is planar structure schematic diagram of the present invention
Fig. 2 is the perspective view of axes of blower system.
Fig. 3 is the planar structure schematic diagram of axes of blower system.
Fig. 4 is the perspective view of draught fan impeller.
Fig. 5 is the cross-sectional view of draught fan impeller.
Fig. 6 is the structural representation that copper-lead reverses composite pad.
Fig. 7 is the assembly structure schematic diagram of clip part.
Fig. 8 is the fractionation structural representation of clip part.
Fig. 9 is the structural representation of clip pad.
In figure, each label represents:
1, flotation device; 2, enter foam hopper; 3, primary cyclone; 4, sprocket wheel; 5, motor and reductor; 6, auger conveyor; A, air-introduced machine; 8, blast pipe; 9, secondary cyclone; 10, discharge nozzle; 11, circulating pump; 12, settling tank; 21-25, valve; 31, primary blades; 32, auxiliary blade; 33, impeller air inlet; 34, blower fan axle bed; 36, axis hole; 37, impeller backboard; 38, impeller panel; 41, draught fan impeller; 42, impeller plain washer; 43, copper-lead reverses composite pad; 44, bearing; 45, fan shaft; 46, clip part; 47, shaft coupling plain washer; 48, shaft coupling; 51, copper packing and fin; 52, fusible lead alloy packing ring; 61, clip; 62, clip ear; 63, clip pad; 64, slotted eye; 65, bolt.
Detailed description of the invention
Now by reference to the accompanying drawings, the present invention is further illustrated.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the cyclone type mineral floating that shown in Fig. 8 and Fig. 9, air-introduced machine is convenient to the disassemble foam device that disappears, comprise flotation device 1, enter foam hopper 2, primary cyclone 3, air-introduced machine A, secondary cyclone 9, blast pipe 8, auger conveyor 6 and settling tank 12, flotation device 1 connects into foam hopper 2, enter foam hopper 2 and connect air-introduced machine A through primary cyclone 3, air-introduced machine A connects secondary cyclone 9, the top of secondary cyclone 9 connects blast pipe 8, primary cyclone 3 is all connected auger conveyor 6 with the discharge nozzle 10 of secondary cyclone 9 bottoms, the discharging opening of auger conveyor 6 connects settling tank 12, described air-introduced machine A comprises draught fan impeller 41, bearing 44, fan shaft 45 and shaft coupling 48, and shaft coupling 48 all adopts Screw assembly with fan shaft 45 and draught fan impeller 41 with fan shaft 45, and thread rotary orientation is the direction with carrying auto lock with work, the similar nut of draught fan impeller 41 is by being threaded with fan shaft 45 and impeller plain washer 42, copper-lead being reversed to composite pad 43 and compress, and draught fan impeller 41 forms screw thread with fan shaft 45 one end and is rigidly connected, clip part 46 is inserted in fan shaft 45 other ends, again shaft coupling plain washer 47 is inserted in to fan shaft 45, then screw in the shaft coupling 48 of similar nut, more rationally all locking, make the shaft coupling 48 of clip part 46 and similar nut also form and be rigidly connected with fan shaft 45 other ends, described copper-lead reverses the copper packing that composite pad 43 becomes for punch process, and it is with fin 51 outward, then in copper packing both sides compound fusible lead alloy packing ring 52, described clip part 46 is made up of clip 61, clip ear 62, clip pad 63 and bolt 65, clip 61 cross sections are wedge shape, formed opening structure by two semicircular ring clip bodies, clip pad 63 is opened elliptical aperture 64 to strengthen axial elasticity, clip pad 63 two ends are planar structure, be convenient to coordinate with shaft shoulder plane, clip uses bolt 65 through the hole on clip ear 62, is assemblied on clip pad 63 and becomes one.
Described draught fan impeller 41 comprises impeller backboard 37, impeller panel 38, primary blades 31 and auxiliary blade 32, primary blades 31 for dull and stereotyped profile and be arranged to impeller shaft radially, centrosymmetric emitting shape; Primary blades 31 connects impeller panel 38 and is welded into impeller bodies with impeller backboard 37; Impeller panel 38 is provided with air inlet 33, and impeller backboard 37 connects into firm one with primary blades 31 inner edges by welding and 45 of fan shafts, and blower fan axle bed 34 is connected by axis hole 36 and fan shaft 45; Blower fan auxiliary blade 32 all forms three-legged structure with impeller panel 38, backboard 37, primary blades 31.
Described auger conveyor 6 is driven by sprocket wheel 4 by motor and reductor 5.
Described secondary cyclone 9 is formed in parallel by 3-6 cyclone separator.
Described settling tank 12 bottoms are provided with blowoff valve 25.
Described settling tank 12 is connected circulating pump 11 through pipeline with valve 24, and circulating pump 11 can be squeezed into the supernatant of settling tank 12 in flotation device 1 or enter in foam hopper 2 or pipeline through pipeline and valve, the multiple effects such as realization recycles, pipeline cleaning.
Blower fan A has been the power of foam delivery and Froth sorting, flotation device 1 overflows with a large amount of foams of flotation mineral grain and enters hopper 2, by the at a high speed tangential suction primary cyclone 3 of blower fan A, the inside and outside two-layer eddy flow of the inner formation of cyclone separator 3, solid particle, liquid, gas, in cyclone separator 3 inner high speed rotations, are realized centrifugal Froth and gas-liquid separation.
The liquid separating is mingled with mineral grain and is centrifuged and gets rid of to barrel, dirty, is imported auger conveyor 6 by discharge nozzle 10 under water seal effect, and not yet thoroughly the gas of separating mineral particle is carried by cyclone separator central tube connecting fan A, carries out secondary cyclone separation.
Blower fan A High Rotation Speed, foam material by time there is strong Froth effect, primary cyclone 3 is as prime processing, volume larger process ability is large, but diameter considerable influence separation factor, so secondary cyclonic separation is generally composed in parallel by 3-6 whirly separator, multiple whirly separators can ensure separating effect, can reach again disposal ability requirement, exhaust main 8 is discharged compared with pure gas, liquid and mineral grain are caught in a large number, fall into auger conveyor 6 by discharge nozzle 10 in water seal effect.
The discharge nozzle 10 of cyclone separator 3,9 bottoms falls into liquid level in water seal effect, makes mineral powder granular and liquid import liquid pool, and mineral powder granular delivers into settling tank 12 by auger conveyor 6 and concentrates, and is convenient to rear step processing.
Flotation fluid in settling tank can draw up clear liquid by circulating pump 11 and recycle, and wherein valve 21 is realized flotation fluid backflow control, and valve 22,23 plays pipe blow-through and equipment effect when needed, and valve 25 plays blowdown effect.
When draught fan impeller of the present invention uses, due to the major-minor sharf radial center of blower fan symmetry, blade is in the time of High Rotation Speed, blade surface has powerful centrifugal surperficial self purification under powerful centrifugal action, dust cannot adhere to and can realize rapid centrifugation, can not affect dynamic, the static balancing of impeller, be applicable to large flow, the conveying of high-power, anti-laying dust air-flow. Impeller panel 38, backboard 37, primary blades 31, auxiliary blade 32 all form radially centrosymmetric structure of leg-of-mutton axle, make its blower fan backboard connecting and the anti-relative torsion of panel, extruding rigidity extremely strong, can stop blower fan primary blades completely and connect the fatigue fracture that backboard root causes because of carrying Moment, use thinner board making also can obtain higher intensity, ensure stable, reliably use, the Impeller Design of this spline structure is particularly suitable for thin plate and makes, be convenient to save material, be conducive to light and handyization of equipment.
In the time that air-introduced machine A need dismantle and overhaul, utilize the copper-lead of innovative design to reverse composite pad 43, clip part 46, pass through operation readiness, can simply eliminate the pressure of similar nut member to screw shaft shoulder end face, at this moment nut and screw part are in unloading vacant state, take apart and become equally simple and convenient with Screw assembly, be used for solving Screw assembly continuous auto lock under load effect, not easily detachable technical barrier, in large fan shaft components screw-threaded coupling field, it is particularly important that such function seems.
When draught fan impeller 41 needs dismounting but very at need, the copper packing that adopts oxy arc to reverse in the middle of Composition spacer copper-lead carries out oxy arc heat treated, because the conductivity of heat of copper is fabulous, and the fusing point of metal is lower, the metal melting of being heated after heating, draught fan impeller 41 is eliminated completely with the compression tensile force of shaft shoulder step, makes draught fan impeller in vacant state completely, is easy to especially dismounting.
When the shaft coupling parts of similar nut need to be dismantled but very at need, bolt is pulled down with spanner, because two semicircular ring clip bodies are for being fast wedge shape to opening structure and clip body section, can connect to close up easily from two clip ears with the flat instrument in one end and pry open, clip easy removal is got off, clip pad is got back to relaxed state, tensile force after the locking of shaft coupling parts and shaft shoulder end face is eliminated completely, the shaft coupling parts that make similar nut, in vacant state completely, are easy to dismounting especially.
Above-mentioned is preferred embodiment of the present invention, not the present invention is done to any pro forma restriction. Any those of ordinary skill in the art, in the situation that not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations. Therefore, every content that does not depart from technical solution of the present invention,, all should drop in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the technology of the present invention essence.
Claims (6)
1. the cyclone type mineral floating that an air-introduced machine is convenient to the disassemble foam device that disappears, comprise flotation device, enter foam hopper, primary cyclone, air-introduced machine, secondary cyclone, blast pipe, auger conveyor and settling tank, it is characterized in that: flotation device connects into foam hopper, enter foam hopper and connect air-introduced machine through primary cyclone, air-introduced machine connects secondary cyclone, the top of secondary cyclone connects blast pipe, primary cyclone is all connected auger conveyor with the discharge nozzle of secondary cyclone bottom, the discharging opening of auger conveyor connects settling tank, described air-introduced machine comprises draught fan impeller, bearing, fan shaft and shaft coupling, and shaft coupling and fan shaft and draught fan impeller and fan shaft all adopt Screw assembly, and thread rotary orientation is the direction with carrying auto lock with work, the similar nut of draught fan impeller is by being threaded with fan shaft and impeller plain washer, copper-lead being reversed to composite pad and compress, and draught fan impeller and fan shaft one end form screw thread and be rigidly connected, clip part is inserted in the fan shaft other end, then shaft coupling plain washer is inserted in to fan shaft, then screws in the shaft coupling of similar nut, more rationally all locking, makes the shaft coupling of clip part and similar nut and the fan shaft other end also form and be rigidly connected, it is the copper packing that punch process becomes that described copper-lead reverses composite pad, and it is outer is with fin, then in copper packing both sides compound fusible lead alloy packing ring, described clip part is made up of clip, clip ear, clip pad and bolt, clip cross section is wedge shape, formed opening structure by two semicircular ring clip bodies, clip pad is opened elliptical aperture to strengthen axial elasticity, clip pad two ends are planar structure, be convenient to coordinate with shaft shoulder plane, clip uses bolt through the hole on clip ear, is assemblied on clip pad and becomes one.
2. the cyclone type mineral floating that air-introduced machine is convenient to disassemble the according to claim 1 foam device that disappears, it is characterized in that: described draught fan impeller comprises impeller backboard, impeller panel, primary blades and auxiliary blade, primary blades be dull and stereotyped profile and be arranged to impeller shaft radially, centrosymmetric emitting shape; Primary blades connects impeller panel and is welded into impeller bodies with impeller backboard; Impeller panel is provided with air inlet, and impeller backboard and primary blades inner edge connect into firm one by welding and blower fan axle bed, and blower fan axle bed is connected by axis hole and fan shaft; Blower fan auxiliary blade and impeller panel, backboard, primary blades all form three-legged structure.
3. the cyclone type mineral floating of being convenient to disassemble according to air-introduced machine described in the claim 1 or 2 foam device that disappears, is characterized in that: described auger conveyor passes through chain wheel drive by motor and reductor.
4. the cyclone type mineral floating of being convenient to disassemble according to air-introduced machine described in the claim 1 or 2 foam device that disappears, is characterized in that: described secondary cyclone is formed in parallel by 3-6 cyclone separator.
5. the cyclone type mineral floating of being convenient to disassemble according to air-introduced machine described in the claim 1 or 2 foam device that disappears, is characterized in that: described settling tank bottom is provided with blowoff valve.
6. the cyclone type mineral floating of being convenient to disassemble according to air-introduced machine described in the claim 1 or 2 foam device that disappears, it is characterized in that: described settling tank is connected circulating pump through pipeline with valve, circulating pump can be squeezed into flotation device by the supernatant of settling tank or enter in foam hopper or pipeline through pipeline and valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610123117.8A CN105597947B (en) | 2016-03-05 | 2016-03-05 | Air-introduced machine is easy to the cyclone type mineral floating defoaming device disassembled |
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| CN201610123117.8A CN105597947B (en) | 2016-03-05 | 2016-03-05 | Air-introduced machine is easy to the cyclone type mineral floating defoaming device disassembled |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439559A (en) * | 2020-12-03 | 2021-03-05 | 宁波广新纳米材料有限公司 | Superfine powder gas-phase classification equipment and classification method thereof |
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| CN104259014A (en) * | 2014-09-05 | 2015-01-07 | 吉首大学 | Rotor cyclone two-stage tandem type mineral flotation and defoaming device |
| CN105066157A (en) * | 2015-08-14 | 2015-11-18 | 吉首大学 | Tail gas recovery dust removal type coal-fired boiler |
| CN105110333A (en) * | 2015-08-14 | 2015-12-02 | 吉首大学 | Combination exhausting device for manganese ore powder and sulfuric acid reaction |
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| CN112439559A (en) * | 2020-12-03 | 2021-03-05 | 宁波广新纳米材料有限公司 | Superfine powder gas-phase classification equipment and classification method thereof |
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