CN105817314A

CN105817314A - Anti-blockage hydraulic classifier

Info

Publication number: CN105817314A
Application number: CN201610357559.9A
Authority: CN
Inventors: 沈炜
Original assignee: Individual
Current assignee: Yang Chunyan
Priority date: 2016-05-26
Filing date: 2016-05-26
Publication date: 2016-08-03
Anticipated expiration: 2036-05-26
Also published as: CN105817314B

Abstract

The invention relates to an anti-blockage hydraulic classifier which comprises a classifying cavity. A feeding pipe and an overflow pipe are mounted on the upper portion of the classifying cavity. Water inlets and a discharge outlet are formed in the bottom of the classifying cavity. A screen plate is fixedly arranged in the classifying cavity. A discharge barrel is mounted between the screen plate and the discharge outlet, and the upper end of the discharge barrel penetrates through the screen plate. The discharge barrel can freely rotate around the own axis. Spiral flow-guiding lines are formed on the inner wall of the discharge barrel, and transmission stripes are formed on the outer wall of the discharge barrel. Hydraulic turbines are further mounted in the classifying cavity and located below the screen plate, and a rotating shaft of each hydraulic turbine coincides with the axis of the corresponding water inlet. The outer walls of the hydraulic turbines are engaged with the outer wall of the discharge barrel. According to the classifier, the discharge outlet can be effectively prevented from being blocked, material discharge is promoted, and long-term stable work of the classifier is effectively guaranteed.

Description

Blockage resisting hydraulic classifier

Technical field

The present invention relates to a kind of industrial grading equipment, particularly, be a kind of hydraulic classifier.

Background technology

At present, its principle of industrial hydraulic classifier used on market all makes according to fluid mechanics principle, different according to solid particle granule size and proportion, under the effect of external force, its principle that sedimentation velocity is different in a liquid, thus realize material and separate by size and proportion difference, fine fraction or the little solid particle of proportion float on a liquid and become overflow, coarse fraction or heavy solid particle are deposited in bottom land, discharge along sand removing device, it is achieved a kind of classifying equipoment that material is continuously separated；In a lot of ore-dressing practices, hydraulic classiciation plays an important role；But current hydraulic classifier cannot ensure that the gradation within machine is uniform in the course of the work, more seriously, usually there is blocking in discharge gate, has both affected effectiveness of classification, affects again classification progress, and also the regular maintenance for machine brings very big inconvenience.

Summary of the invention

For the problems referred to above, the present invention provides a kind of blockage resisting water conservancy grader, and this grader can effectively prevent the blocking of discharge gate, promotes the discharge of material, the long-term stable operation of grader is effectively ensured.

For solving the problems referred to above, the technical solution adopted in the present invention is: this blockage resisting hydraulic classifier includes classification chamber, is separately installed with feed pipe and overflow pipe on the top in classification chamber, offers water inlet and discharge gate in the bottom in classification chamber；

Having sieve plate in classification intracavity fixing device, be provided with discharging cylinder between sieve plate and discharge gate, sieve plate is run through in the upper end of described discharging cylinder, and discharging cylinder can be freely rotatable along own axes；Inwall at discharging cylinder is carved with spiral stream guidance stricture of vagina, and the outer wall at discharging cylinder is carved with transmission striped；In classification intracavity, the lower section of sieve plate, returning apparatus has water driven turbine, the rotating shaft of water driven turbine and the dead in line of water inlet；The outer wall of described water driven turbine is meshed with the outer wall of discharging cylinder.

The invention has the beneficial effects as follows: material slurry enters classification intracavity from feed pipe, and High-Pressure Water pours in classification chamber from water inlet simultaneously；High-Pressure Water passes from water driven turbine and drives water driven turbine high-speed rotation；Water driven turbine, by the engagement between transmission striped, drives drainage conduit to rotate；High-Pressure Water fills classification chamber through sieve plate, and owing to granule size and the proportion of solid particle are different, material is starched during horizontal mobility, delaminating deposition in water；Oarse-grained material flows out from the discharging cylinder of sieve plate central authorities, and short grained material floats on liquid level upper strata and forms overflow layer, discharges from overflow pipe；During to material slurry graded operation, the rotation of discharging cylinder persistence, the spiral stream guidance stricture of vagina of discharging cylinder inwall stirs and pushes downwards material, discharge gate compared to additional fractionation machine, discharge gate in this invention is in dynamic rotary state, promotes the effect that material is discharged, effectively prevents feed blocking, thus improve the stable output of grader, and then improve work efficiency.

As preferably, the internal activity at described discharging cylinder is provided with dredging bar, and described dredging bar up and down reciprocatingly can translate along the axis of discharging cylinder；It is fixed with permanent magnetism sheet in the bottom of each described dredging bar；Inwall at described discharge gate is installed with permanent magnetic strip, described permanent magnetic strip and permanent magnetism sheet quantity Matching and homopolar-repulsion；Discharging cylinder is in rotary course, drive dredging bar synchronizing moving, permanent magnetism sheet bottom dredging bar periodically skims over the permanent magnetic strip on discharge gate inwall, whenever permanent magnetism sheet and permanent magnetic strip just pair time, dredging bar pops up under magneticaction, after permanent magnetism sheet is away from permanent magnetic strip, dredging bar falls after rise under gravity；Therefore, during discharge of materials, dredge the axial reciprocating motion of bar and can promote the discharge of material, further function as dredging effect, effectively prevent blocking from occurring.

As preferably, described dredging bar is 3-5；So that effectively dredging discharging cylinder, will not significantly affect the discharge velocity of discharging cylinder simultaneously.

As preferably, dredging bar centered by the axis of discharging cylinder, rotationally symmetrical arrangement.

As preferably, being densely covered with agnail on the perisporium of dredging bar, agnail points to sieve plate direction；Dredging bar on move during, agnail can bulk material, be greatly improved the material velocity of discharge.

Accompanying drawing explanation

Fig. 1 is the structural representation of one embodiment of this blockage resisting hydraulic classifier.

Fig. 2 is the amplification axial arrangement schematic diagram of discharging cylinder in embodiment illustrated in fig. 1.

Fig. 3 is the structure for amplifying schematic diagram dredging bar in embodiment illustrated in fig. 1.

Detailed description of the invention

Embodiment

In the embodiment shown in Fig. 1 to Fig. 3, this blockage resisting hydraulic classifier includes classification chamber 1, is separately installed with feed pipe 11 and overflow pipe 12 on the top in classification chamber 1, offers water inlet and discharge gate 2 in the bottom in classification chamber 1；

In classification chamber 1, inner fixing device has sieve plate 3, is provided with discharging cylinder 4 between sieve plate 3 and discharge gate 2, and sieve plate 3 is run through in the upper end of described discharging cylinder 4, and discharging cylinder 4 can be freely rotatable along own axes；Inwall at discharging cylinder 4 is carved with spiral stream guidance stricture of vagina 41, and the outer wall at discharging cylinder 4 is carved with transmission striped；In classification chamber 1, the lower section of sieve plate 3, returning apparatus has water driven turbine 5, the rotating shaft of water driven turbine 5 and the dead in line of water inlet；The outer wall of described water driven turbine 5 is meshed with the outer wall of discharging cylinder 4；Internal activity at described discharging cylinder 4 is provided with 3 dredging bars 6, dredging bar 6 centered by the axis of discharging cylinder 4, rotationally symmetrical arrangement；Described dredging bar 6 up and down reciprocatingly can translate along the axis of discharging cylinder 4；Being densely covered with agnail on the perisporium of dredging bar 6, agnail points to sieve plate 3 direction；It is fixed with permanent magnetism sheet 61 in the bottom of each described dredging bar 6；Inwall at described discharge gate 2 is installed with permanent magnetic strip 21, described permanent magnetic strip 21 and permanent magnetism sheet 61 quantity Matching and homopolar-repulsion.

Material slurry enters in classification chamber 1 from feed pipe 11, and High-Pressure Water pours in classification chamber 1 from water inlet simultaneously；High-Pressure Water passes from water driven turbine 5 and drives water driven turbine 5 high-speed rotation；Water driven turbine 5, by the engagement between transmission striped, drives drainage conduit to rotate；High-Pressure Water fills classification chamber 1 through sieve plate 3, and owing to granule size and the proportion of solid particle are different, material is starched during horizontal mobility, delaminating deposition in water；Oarse-grained material flows out from the discharging cylinder 4 of sieve plate 3 central authorities, and short grained material floats on liquid level upper strata and forms overflow layer, discharges from overflow pipe 12.

During to material slurry graded operation, the rotation of discharging cylinder 4 persistence, the spiral stream guidance stricture of vagina 41 of discharging cylinder 4 inwall stirs and pushes downwards material；Simultaneously, in the present embodiment, discharging cylinder 4 is in rotary course, drive dredging bar 6 synchronizing moving, permanent magnetism sheet 61 bottom dredging bar 6 periodically skims over the permanent magnetic strip 21 on discharge gate 2 inwall, whenever permanent magnetism sheet 61 and permanent magnetic strip 21 just pair time, dredging bar 6 pops up under magneticaction, after permanent magnetism sheet 61 is away from permanent magnetic strip 21, dredging bar 6 falls after rise under gravity；Therefore, during discharge of materials, dredge the axial reciprocating motion of bar 6 and can promote the discharge of material, further function as dredging effect, effectively prevent blocking from occurring.

Compared to the discharge gate 2 of additional fractionation machine, the discharge gate 2 in this invention is in dynamic rotary state, promotes the effect that material is discharged, effectively prevents feed blocking, thus improve the stable output of grader, and then improves work efficiency.

In the present embodiment, the agnail of dredging bar 6 can will push away on material, dredge during moving on dredging bar 6, is greatly improved material dredging effect；Dredging bar 6 quantity maintains 3-5, not only can ensure that dredging effect but also do not interfere with the discharge of material.

The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims

1. a blockage resisting hydraulic classifier, this blockage resisting hydraulic classifier includes classification chamber (1), is separately installed with feed pipe (11) and overflow pipe (12) on the top of classification chamber (1), offers water inlet and discharge gate (2) in the bottom of classification chamber (1)；It is characterized in that: have sieve plate (3) at classification chamber (1) inner fixing device, being provided with discharging cylinder (4) between sieve plate (3) and discharge gate (2), sieve plate (3) is run through in the upper end of described discharging cylinder (4), and discharging cylinder (4) can be freely rotatable along own axes；Inwall at discharging cylinder (4) is carved with spiral stream guidance stricture of vagina (41), and the outer wall at discharging cylinder (4) is carved with transmission striped；In classification chamber (1), the lower section of sieve plate (3), returning apparatus has water driven turbine (5), the rotating shaft of water driven turbine (5) and the dead in line of water inlet；The outer wall of described water driven turbine (5) is meshed with the outer wall of discharging cylinder (4).

Blockage resisting hydraulic classifier the most according to claim 1, it is characterised in that: the internal activity at described discharging cylinder (4) is provided with dredging bar (6), and described dredging bar (6) up and down reciprocatingly can translate along the axis of discharging cylinder (4)；It is fixed with permanent magnetism sheet (61) in the bottom of each described dredging bar (6)；Inwall at described discharge gate (2) is installed with permanent magnetic strip (21), described permanent magnetic strip (21) and permanent magnetism sheet (61) quantity Matching and homopolar-repulsion.

Blockage resisting hydraulic classifier the most according to claim 2, it is characterised in that: described dredging bar (6) is 3-5.

4. according to the blockage resisting hydraulic classifier described in Claims 2 or 3, it is characterised in that: dredging bar (6) centered by the axis of discharging cylinder (4), rotationally symmetrical arrangement.

5. according to the blockage resisting hydraulic classifier described in Claims 2 or 3, it is characterised in that: being densely covered with agnail on the perisporium of dredging bar (6), agnail points to sieve plate (3) direction.