CN104998441A - Efficient classification and thickening machine for tailing slurry - Google Patents

Efficient classification and thickening machine for tailing slurry Download PDF

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Publication number
CN104998441A
CN104998441A CN201510462199.4A CN201510462199A CN104998441A CN 104998441 A CN104998441 A CN 104998441A CN 201510462199 A CN201510462199 A CN 201510462199A CN 104998441 A CN104998441 A CN 104998441A
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rotating shaft
room
cylinder
storage cavity
guide cylinder
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CN201510462199.4A
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CN104998441B (en
Inventor
谢建雄
梁新进
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CHENZHOU DERUIFU MACHINERY EQUIPMENT Co Ltd
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CHENZHOU DERUIFU MACHINERY EQUIPMENT Co Ltd
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Publication of CN104998441A publication Critical patent/CN104998441A/en
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Publication of CN104998441B publication Critical patent/CN104998441B/en
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Abstract

The invention discloses an efficient classification and thickening machine for tailing slurry. The efficient classification and thickening machine comprises a supporting frame, a hopper, a material classifying device, a stirring device, a backflow pipe, an overflow tank and an unloading device. The hopper, the material classifying device, the stirring device, the backflow pipe, the overflow tank and the unloading device are arranged on the supporting frame. The hopper is internally divided into a classifying cavity and a material storing cavity through a partition plate. The material classifying device is arranged in the classifying cavity. The material classifying device comprises a primary material chamber, a secondary material chamber, a fall pressure chamber and a circulation plate. The stirring device comprises a first rotating shaft, a second rotating shaft and a slurry pump. The first rotating shaft and the second rotating shaft are hollow and are each in a cylindrical shape. One end of the first rotating shaft is connected with a motor in a transmission mode, and the other end of the first rotating shaft extends into the material storing cavity sequentially through the fall pressure chamber, the secondary material chamber and the primary material chamber. The first rotating shaft is sleeved with the second rotating shaft. The top end of the backflow pipe is arranged above the circulation plate and is lower than the top of the fall pressure chamber. The unloading device is arranged at the bottom of the material storing cavity and comprises a feed cylinder, a material guide cylinder, a spiral bevel gear and a transmission shaft.

Description

Mine tailing slurry efficient graded concentrating machine
Technical field
The present invention relates to a kind of tailings disposal plant, particularly a kind of mine tailing slurry efficient graded concentrating machine.
Background technology
The concentration adopting concentrator to improve mine tailing is method conventional at present.Current thickener is mainly divided into traditional thickener and Hhigh-efficient thickener and efficient deep wimble thickener.
Tradition concentrator is made up of housing and drive unit and rake scrapper conveyor.Be suspended in the solid particle sedimentation under natural gravity effect in ore pulp in concentration basin, top then becomes primary water, and solid-liquid is separated.The sludge be deposited on bottom concentration basin is scraped central row mine mouth at the bottom of collection to pond continuously by rake scraper plate and is discharged, and primary water is then overflowed by edge on concentration basin.
Its structure of Hhigh-efficient thickener is similar to traditional concentrator to be formed primarily of circular concentration basin and rake mud scraper, driving mechanism, medicine system four part, the solid particle sedimentation be under gravity suspended in ore pulp in concentration basin, top is divided into primary water, and solid-liquid is separated.The sludge be deposited on bottom concentration basin is scraped central row mine mouth at the bottom of collection to pond by rake mud scraper continuous print and is discharged, and primary water is upper along overflowing by concentrating.
After Hhigh-efficient thickener to mix with flocculant to ore deposit, concentrator is entered into by center column, by the deflector of the charging column port of export, ore pulp is guided into surrounding from charging column, ore pulp is spread to surrounding, enter preformed heavy mud layer, form mud layer together with the flocculant that material is come in simultaneously, and be deposited to the bottom of concentrator.And penetration by liquid sink mud layer rise, heavy mud layer plays filtration, makes particulate increase, ore pulp produces motion in heavy mud layer, and particle is contacted with flocculant, continues to produce flocculation, rake pushes center body refuse boot to dense ore pulp, then discharges by gravity or pump.
Hhigh-efficient thickener from level beds of precipitation interface to ore deposit, in feed column lower end, one piece of diffuser plate is installed, ore pulp is forced to spread to surrounding in the horizontal direction, avoid impacting heavy mud layer, the downward sedimentation of the bulky grain flocculated, liquid then rises through heavy mud layer, and heavy mud layer has filtration, make particulate cannot increase with liquid, thus reach Separation of Solid and Liquid object.
The many wimble thickeners of efficient dark cone are primarily of compositions such as dark cone, charging gear, agitating device, control cabinet, doser and automatic control systems; First ore pulp enters bucket process of cooling down, then enter eddy flow feed box, the ore pulp after feed barrel flocculation enters concentrated phase sedimentary deposit, by the flocculating again of concentrated phase sedimentary deposit, filter, compression, the overflow water of clarification is discharged from top downflow weir, discharges the underflow of high concentration at the bottom of the cone of bottom.
There is following shortcoming in existing concentrator:
1, traditional thickener accounts for floor space greatly, and solid-liquid separation effect is poor, inconvenient;
2, be difficult to when Hhigh-efficient thickener underflow density is more than 50% discharge, add flocculant at material inlet and easily cause equipment to paralyse, use inconvenience;
3, efficient deep wimble thickener underflow density is difficult to equally get rid of about 70% time, and by the material very easily wall built-up after flocculation, especially superfine-material.When hydrophobicity as material is good, equipment underflow, 70% time, cannot be got rid of at all, use inconvenience.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of easy to use, treating capacity is large, underflow density is high, discharge velocity is fast, production efficiency is high mine tailing slurry efficient graded concentrating machine.
In order to solve the problems of the technologies described above, mine tailing slurry efficient graded concentrating machine of the present invention, comprise bracing frame, the hopper be placed on bracing frame, stock grading device, agitating device, return duct, overflow launder and device for discharging, becomes classification chamber and storage cavity by baffle for separating in described hopper; Discharge gate is provided with bottom described storage cavity; Described stock grading device is placed in described classification chamber, and this stock grading device comprises elementary material room, secondary material room, head pressure room and circulation dish, described elementary material room and material Ru Guan UNICOM; It is indoor and with elementary material room by screen cloth UNICOM that described secondary material room is placed in elementary material; Described head pressure room is placed in above elementary material room, this head pressure room with secondary Liao Shi UNICOM and outer wall contact be tightly connected with secondary material chamber interior walls, elementary material chamber interior walls respectively; Described circulation coiling head pressure chamber outer wall arrange and in circulation dish the end lower than the indoor liquid level of head pressure; In described circulation dish, the end, is by flocculant adding tube and classification chamber UNICOM; Described agitating device comprises the first rotating shaft, the second rotating shaft and stock pump; Described first rotating shaft, the second rotary shaft hollow, form cylindrical body; Described first rotating shaft one end is connected with motor-driven, the other end successively through head pressure room, secondary material room and elementary material room stretch in storage cavity; In described first rotating shaft, space is provided with the opening with secondary Liao Shi UNICOM, for by the material transferring of secondary material room in storage cavity; Described second shaft set and the first rotating shaft, this second rotating shaft bottom is stretched in storage cavity; In described second rotating shaft, space is provided with the opening with elementary Liao Shi UNICOM, for by the material transferring of elementary material room in storage cavity; UNICOM bottom the entrance of described stock pump and classification chamber, to export and discharge region UNICOM; Described return duct bottom and storage cavity UNICOM, top to be placed in above circulation dish and lower than top, head pressure room; Described overflow launder be fixed on classification cavity wall top and overfall less than or equal to the height at the end in circulation dish; Described device for discharging is placed in bottom described storage cavity, and this device for discharging comprises feeding cylinder, guide cylinder, spiral bevel gear and power transmission shaft, the discharge gate UNICOM of described feeding cylinder top and storage cavity; This feeding cylinder inwall is provided with convex edge circle; Described guide cylinder is placed in feeding cylinder, and bind in this guide cylinder top and sidewall is provided with equally distributed feeding mouth; Bottom described feeding mouth, sidewall and the convex edge of feeding cylinder inwall are enclosed to contact to connect and feeding cylinder is separated into top is storage compartment, guide cylinder freely can be rotated in convex edge is enclosed; Described spiral bevel gear and guide jacket casing fill fixing; Described power transmission shaft one end is provided with and is connected with motor-driven with spiral bevel gear pitch wheel, the other end.
Described return duct top is lower than head pressure room top 10-20cm.
Described agitating device also comprises impeller, and described impeller to be placed in bottom classification chamber, below elementary material room and to be connected with the second rotating shaft transmission, for stirring the concentrated material be deposited on bottom classification chamber.
Described agitating device also comprises harrow frame, and described harrow frame to be placed in below elementary material room, above impeller and to be connected with the second rotating shaft transmission, for breaing up the concentrated material be deposited on bottom classification chamber.
Described first rotating shaft and secondary material room are in transmission connection, and when rotating for the first rotating shaft, interlock secondary material room rotates.
Bottom the feeding mouth of described guide cylinder, sidewall and the convex edge of feeding cylinder inwall are enclosed to be contacted by seal disc and are connected.
Also comprise tripper, described tripper comprises the cylinder bound in top, and this cylinder top is fixedly connected with guide cylinder top, bottom is placed in convex edge and encloses top; Described cylinder sidewall is provided with the charging aperture adapted with the feeding mouth of guide cylinder, makes the charging aperture of material by cylinder of storage compartment, the feeding mouth of guide cylinder discharged by guide cylinder bottom after entering guide cylinder.
Described tripper also comprises and stirs rod, described in stir rod and be fixedly connected with cylinder sidewall.
Described tripper also comprises scraping blade, and described scraping blade one end is fixedly connected with feeding mouth wall, the other end stretches out charging aperture.
Also comprise tapered shunting device, the discharge gate wall of discharge gate and storage cavity that this current divider is placed in storage cavity is fixedly connected with or is fixedly connected with device for discharging; Described current divider forms cone by bar, and concentrated material is flowed out, for the gravity of dispersion concentration material by the gap between bar and bar.
Adopt structure of the present invention, owing to comprising bracing frame, the hopper be placed on bracing frame, stock grading device, agitating device, return duct, overflow launder and device for discharging.During use, after material enters elementary material room, the deposition of solid that particle is larger is delivered to storage cavity in elementary material indoor by the second rotating shaft, and the less solid mixture of particle to enter secondary material through screen cloth indoor, be delivered in storage cavity by the first rotating shaft, preliminary classification carried out to material, the larger deposition of solid of particle is bottom storage cavity, the solid that particle is larger contacts few with flocculant, namely flocculant usage is little, and use cost is low.The completely rear mixed material liquid level of pulp-water mixture aggregation in storage cavity rises to head pressure room, when the indoor liquid level of head pressure is higher than return duct top, pulp-water mixture in storage cavity flows in circulation dish through return duct, flocculant adding tube again through circulation tray bottom enters in classification chamber, pulp-water mixture is united and is deposited on bottom classification chamber under the effect of flocculant, classification chamber is extracted out by stock pump, and the water separated is discharged through overflow launder, can continuous concentration material, underflow density is high, and treating capacity is large, easy to use, good effect of separating solid from liquid, use cost is low.
Again because device for discharging comprises feeding cylinder, guide cylinder, spiral bevel gear and power transmission shaft, during use, mine tailing semifluid enters the storage compartment of feeding cylinder, rotate at transmission shaft driven spiral bevel gear, spiral bevel gear drives guide cylinder to rotate, under guide cylinder ceaselessly turning effort, material and guide cylinder feeding mouth are discharged along ceaselessly scraping to enter in guide cylinder into feeding mouth by guide cylinder bottom, material cannot block feeding mouth, discharge velocity is fast, production efficiency is high, ensure that whole production line normal operation, simple to operate, easy to use, operating efficiency is high, maintenance cost is low.
Again because agitating device also comprises impeller, described impeller to be placed in bottom classification chamber, below elementary material room and to be connected with the second rotating shaft transmission, for stirring the concentrated material be deposited on bottom classification chamber.Stirred the concentrated material be deposited on bottom classification chamber by impeller, to make, stock pump is easier to pump concentrated material, uses more convenient.
Because agitating device also comprises harrow frame, described harrow frame to be placed in below elementary material room, above impeller and to be connected with the second rotating shaft transmission, for breaing up the concentrated material be deposited on bottom classification chamber, after the concentrated material be deposited on bottom classification chamber is broken up by harrow frame, to make, stock pump is easier to pump concentrated material, uses more convenient.
Because the first rotating shaft and secondary material room are in transmission connection, when rotating for the first rotating shaft, interlock secondary material room rotates, and secondary material room rotates with the first rotating shaft, and secondary material locular wall upper screen cloth is not parked in spin rinse in pulp-water mixture, prevents screen cloth to block, uses more convenient.
Enclose to be contacted by seal disc due to sidewall bottom the feeding mouth of guide cylinder and the convex edge of feeding cylinder inwall and connect, to make sealing property better, use more convenient.
Owing to also comprising tripper, described tripper comprises the cylinder bound in top, and this cylinder top is fixedly connected with guide cylinder top, bottom is placed in convex edge and encloses top; Described cylinder sidewall is provided with the charging aperture adapted with the feeding mouth of guide cylinder, make the charging aperture of material by cylinder of storage compartment, the feeding mouth of guide cylinder discharged by guide cylinder bottom after entering guide cylinder, material is discharged by guide cylinder bottom after scraping guide cylinder by the cylinder of tripper, the feeding mouth charging of guide cylinder is more unobstructed, evenly, use more convenient.
Stir rod because tripper also comprises, described in stir rod and be fixedly connected with cylinder sidewall, material by stir bludgeon loose after, material cannot lump and harden, and the feeding mouth charging of guide cylinder is more unobstructed, evenly, use more convenient.
Because tripper also comprises scraping blade, described scraping blade one end is fixedly connected with feeding mouth wall, the other end stretches out charging aperture, and material enters feeding mouth along scraping blade under the effect of scraping blade, and charging is more unobstructed, evenly, use more convenient.
Owing to also comprising tapered shunting device, the discharge gate wall of discharge gate and storage cavity that this current divider is placed in storage cavity is fixedly connected with or is fixedly connected with device for discharging, described current divider forms cone by bar, concentrated material is flowed out by the gap between bar and bar, for the gravity of dispersion concentration material, at the discharge gate of storage cavity, tapered shunting device is set, when material is deposited on the discharge gate of storage cavity, concentration is very high, during normal operation, the discharge gate carrying material heavily about 300T of storage cavity, adopt the gravity of tapered shunting device dispersion concentration material, discharge is more unobstructed, evenly, use more convenient, longer service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of device for discharging of the present invention;
Fig. 4 is the sectional view of Fig. 3 along A-A line.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail:
As shown in Figure 1, Figure 2, Figure 3, Figure 4, mine tailing slurry efficient graded concentrating machine of the present invention, comprises bracing frame 6, the hopper 7 be placed on bracing frame 6, stock grading device, agitating device, return duct 2, overflow launder 9 and device for discharging 3.Classification chamber 8 and storage cavity 5 is become by baffle for separating in hopper 7.Discharge gate is provided with bottom storage cavity 5.Stock grading device is placed in described classification chamber 8, and this stock grading device comprises elementary material room 11, secondary material room 16, head pressure room 10 and circulation dish 1.Elementary material room 11 and material Ru Guan UNICOM.Secondary material room 16 to be placed in elementary material room 11 and with elementary material room 11 by screen cloth UNICOM.Head pressure room 10 is placed in above elementary material room 11, this head pressure room 10 with secondary Liao Shi 16 UNICOM and outer wall be tightly connected with secondary material room 16 inwall, elementary material room 11 contact internal walls respectively.Circulation dish 1 around head pressure room 10 outer wall arrange and in circulation dish 1 end lower than liquid level in head pressure room 10.In circulation dish 1, the end, is by flocculant adding tube 17 and classification chamber 8 UNICOM.Agitating device comprises the first rotating shaft 13, second rotating shaft 12 and stock pump 4.First rotating shaft 13, second rotating shaft 12 hollow, forms cylindrical body.First rotating shaft 13 one end is connected with motor-driven, the other end successively through head pressure room 10, secondary material room 16 and elementary material room 11 stretch in storage cavity 5.In first rotating shaft 13, space is provided with the opening with secondary Liao Shi 16 UNICOM, for by the material transferring of secondary material room 16 in storage cavity 5.Second rotating shaft 12 is set with and the first rotating shaft 13, and this second rotating shaft 12 bottom is stretched in storage cavity 5.In second rotating shaft 12, space is provided with the opening with elementary Liao Shi 11 UNICOM, for by the material transferring of elementary material room 11 in storage cavity 5.UNICOM bottom the entrance of stock pump 4 and classification chamber 8, to export and discharge region UNICOM.Return duct 2 bottom and storage cavity 5 UNICOM, top to be placed in above circulation dish 1 and lower than top, head pressure room 10.Overflow launder 9 be fixed on classification chamber 8 upper inside wall and overfall less than or equal to the height at the end in circulation dish 1.Device for discharging 3 is placed in bottom described storage cavity 5, and this device for discharging 3 comprises feeding cylinder 19, guide cylinder 22, spiral bevel gear 27 and power transmission shaft 26.The discharge gate UNICOM of feeding cylinder 19 top and storage cavity 5.Feeding cylinder 19 inwall is provided with convex edge circle 25.Guide cylinder 22 is placed in feeding cylinder 19, and bind in this guide cylinder 22 top and sidewall is provided with equally distributed feeding mouth 28.Bottom feeding mouth 28, sidewall and the convex edge of feeding cylinder 19 inwall are enclosed 25 and are contacted to connect and feeding cylinder 19 is separated into top and is storage compartment, guide cylinder 22 can be enclosed in 25 in convex edge freely rotate.Spiral bevel gear 27 and guide cylinder 22 are set with fixing.Power transmission shaft 26 one end is provided with and is connected with motor-driven with spiral bevel gear 27 pitch wheel, the other end.
The top of return duct 2 of the present invention, preferably lower than top, head pressure room 10, is preferred value 10-20cm lower than top, head pressure room 10, preferably 15cm.
More convenient in order to use, agitating device also comprises impeller 14.Impeller 14 to be placed in bottom classification chamber 8, below elementary material room 11 and to be in transmission connection with the second rotating shaft 12, for stirring the concentrated material be deposited on bottom classification chamber 8.Stirred the concentrated material be deposited on bottom classification chamber by impeller, to make, stock pump is easier to pump concentrated material, uses more convenient.
More convenient in order to use, agitating device also comprises harrow frame 15.Harrow frame 15 to be placed in below elementary material room 11, above impeller 14 and to be in transmission connection with the second rotating shaft 12, for breaing up the concentrated material be deposited on bottom classification chamber 8.After the concentrated material be deposited on bottom classification chamber is broken up by harrow frame, to make, stock pump is easier to pump concentrated material, uses more convenient.
In order to prevent screen cloth from blocking, use more convenient, the first rotating shaft 13 is in transmission connection with secondary material room 16, and secondary material room 16 of linking when rotating for the first rotating shaft 13 rotates.Secondary material room rotates with the first rotating shaft, and secondary material locular wall upper screen cloth is not parked in spin rinse in pulp-water mixture, prevents screen cloth to block, uses more convenient.
In order to make sealing property bottom storage compartment better, use more convenient, bottom the feeding mouth 28 of guide cylinder 22, sidewall and the convex edge of feeding cylinder 19 inwall are enclosed 25 and are passed through seal disc 24 and contact and connect.
In order to make the feeding mouth charging of guide cylinder more unobstructed, evenly use more convenient, also comprise tripper, described tripper comprises the cylinder 23 bound at top, this cylinder 23 top is fixedly connected with guide cylinder 22 top, bottom is placed in convex edge and encloses above in the of 25.Cylinder 23 sidewall is provided with the charging aperture 29 adapted with the feeding mouth 28 of guide cylinder 22, is discharged after making the material of storage compartment enter guide cylinder 22 by the charging aperture 29 of cylinder 23, the feeding mouth 28 of guide cylinder 22 by guide cylinder 22 bottom.
In order to make the feeding mouth charging of guide cylinder more unobstructed, evenly use more convenient, tripper also comprises and stirs rod 20, stirs rod 20 and is fixedly connected with cylinder 20 sidewall.
In order to make the feeding mouth charging of guide cylinder more unobstructed, evenly use more convenient, tripper also comprises scraping blade 21, scraping blade 21 one end is fixedly connected with feeding mouth 28 wall, the other end stretches out charging aperture 29.
In order to the gravity of dispersion concentration material, discharge is more unobstructed, evenly, use more convenient, longer service life, also comprises tapered shunting device 18, and the discharge gate wall of discharge gate and storage cavity 5 that this current divider 18 is placed in storage cavity 5 is fixedly connected with or is fixedly connected with device for discharging 3.Current divider 18 forms cone by bar, and concentrated material is flowed out, for the gravity of dispersion concentration material by the gap between bar and bar.At the discharge gate of storage cavity, tapered shunting device is set, when material is deposited on the discharge gate of storage cavity, concentration is very high, during normal operation, the discharge gate carrying material heavily about 300T of storage cavity, adopt the gravity of tapered shunting device dispersion concentration material, discharge is more unobstructed, evenly, use more convenient, longer service life.

Claims (10)

1. a mine tailing slurry efficient graded concentrating machine, it is characterized in that: comprise bracing frame (6), the hopper (7) be placed on bracing frame (6), stock grading device, agitating device, return duct (2), overflow launder (9) and device for discharging (3), in described hopper (7), becomes classification chamber (8) and storage cavity (5) by baffle for separating; Described storage cavity (5) bottom is provided with discharge gate; Described stock grading device is placed in described classification chamber (8), and this stock grading device comprises elementary material room (11), secondary material room (16), head pressure room (10) and circulation dish (1), described elementary material room (11) and material Ru Guan UNICOM; Described secondary material room (16) to be placed in elementary material room (11) and with elementary material room (11) by screen cloth UNICOM; Described head pressure room (10) is placed in elementary material room (11) top, and this head pressure room (10) and secondary material room (16) UNICOM and outer wall are tightly connected with secondary material room (16) inwall, elementary material room (11) contact internal walls respectively; Described circulation dish (1) around head pressure room (10) outer wall arrange and in circulation dish (1) end lower than liquid level in head pressure room (10); Described circulation dish (1) the interior end, is by flocculant adding tube (17) and classification chamber (8) UNICOM; Described agitating device comprises the first rotating shaft (13), the second rotating shaft (12) and stock pump (4); Described first rotating shaft (13), the second rotating shaft (12) hollow, form cylindrical body; Described first rotating shaft (13) one end is connected with motor-driven, the other end stretches in storage cavity (5) through head pressure room (10), secondary material room (16) and elementary material room (11) successively; The interior space of described first rotating shaft (13) is provided with the opening with secondary material room (16) UNICOM, for by the material transferring of secondary material room (16) in storage cavity (5); Described second rotating shaft (12) suit and the first rotating shaft (13), this second rotating shaft (12) bottom is stretched in storage cavity (5); The interior space of described second rotating shaft (12) is provided with the opening with elementary material room (11) UNICOM, for by the material transferring of elementary material room (11) in storage cavity (5); The entrance of described stock pump (4) and classification chamber (8) bottom UNICOM, export and discharge region UNICOM; Described return duct (2) bottom and storage cavity (5) UNICOM, top be placed in circulation dish (1) top and lower than head pressure room (10) top; Described overflow launder (9) be fixed on classification chamber (8) upper inside wall and overfall less than or equal to the height at circulation dish (1) the interior end; Described device for discharging (3) is placed in described storage cavity (5) bottom, this device for discharging (3) comprises feeding cylinder (19), guide cylinder (22), spiral bevel gear (27) and power transmission shaft (26), the discharge gate UNICOM of described feeding cylinder (19) top and storage cavity (5); This feeding cylinder (19) inwall is provided with convex edge circle (25); Described guide cylinder (22) is placed in feeding cylinder (19), and bind in this guide cylinder (22) top and sidewall is provided with equally distributed feeding mouth (28); Described feeding mouth (28) bottom sidewall and the convex edge of feeding cylinder (19) inwall are enclosed (25) and are contacted to connect and feeding cylinder (19) is separated into top and is storage compartment, guide cylinder (22) can be enclosed in (25) in convex edge freely rotate; Described spiral bevel gear (27) and guide cylinder (22) are set with fixing; Described power transmission shaft (26) one end is provided with and is connected with motor-driven with spiral bevel gear (27) pitch wheel, the other end.
2. mine tailing slurry efficient graded concentrating machine according to claim 1, is characterized in that: described return duct (2) top is lower than head pressure room (10) top 10-20cm.
3. mine tailing slurry efficient graded concentrating machine according to claim 1, it is characterized in that: described agitating device also comprises impeller (14), described impeller (14) be placed in classification chamber (8) bottom, elementary material room (11) below and be in transmission connection with the second rotating shaft (12), for stir be deposited on classification chamber (8) bottom concentrated material.
4. mine tailing slurry efficient graded concentrating machine according to claim 3, it is characterized in that: described agitating device also comprises harrow frame (15), described harrow frame (15) be placed in elementary material room (11) below, impeller (14) top and be in transmission connection with the second rotating shaft (12), for break up be deposited on classification chamber (8) bottom concentrated material.
5. mine tailing slurry efficient graded concentrating machine according to claim 1, is characterized in that: described first rotating shaft (13) and secondary material room (16) are in transmission connection, and secondary material room (16) of linking when rotating for the first rotating shaft (13) rotates.
6. mine tailing slurry efficient graded concentrating machine according to claim 1, is characterized in that: the feeding mouth (28) of described guide cylinder (22) bottom sidewall and the convex edge of feeding cylinder (19) inwall are enclosed (25) and contacted by seal disc (24) and connect.
7. mine tailing slurry efficient graded concentrating machine according to claim 1, it is characterized in that: also comprise tripper, described tripper comprises the cylinder (23) bound at top, and this cylinder (23) top is fixedly connected with guide cylinder (22) top, bottom is placed in convex edge and encloses (25) top; Described cylinder (23) sidewall is provided with the charging aperture (29) adapted with the feeding mouth of guide cylinder (22) (28), is discharged after making the material of storage compartment enter guide cylinder (22) by the charging aperture (29) of cylinder (23), the feeding mouth (28) of guide cylinder (22) by guide cylinder (22) bottom.
8. mine tailing slurry efficient graded concentrating machine according to claim 7, is characterized in that: described tripper also comprises and stirs rod (20), described in stir rod (20) and be fixedly connected with cylinder (20) sidewall.
9. mine tailing slurry efficient graded concentrating machine according to claim 7, it is characterized in that: described tripper also comprises scraping blade (21), described scraping blade (21) one end is fixedly connected with feeding mouth (28) wall, the other end stretches out charging aperture (29).
10. mine tailing slurry efficient graded concentrating machine according to claim 1, it is characterized in that: also comprise tapered shunting device (18), the discharge gate that this current divider (18) is placed in storage cavity (5) is fixedly connected with the discharge gate wall of storage cavity (5) or is fixedly connected with device for discharging (3); Described current divider (18) forms cone by bar, and concentrated material is flowed out, for the gravity of dispersion concentration material by the gap between bar and bar.
CN201510462199.4A 2015-07-31 2015-07-31 Mine tailing slurry efficient graded concentrating machine Expired - Fee Related CN104998441B (en)

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