CN209093604U - Slime separation device and separation system - Google Patents

Abstract

The utility model discloses a kind of slime separation device and separation systems, the sorting unit includes: classifying cyclone, liquid-solid fluid bed and pan feeding pallet, it is described liquid-solid fluid bed with sorting chamber, the pan feeding pallet is on the liquid-solid fluid bed top and the liquid-solid fluid bed connection, the pan feeding pallet is located in the sorting chamber room, and the pan feeding pallet has the feed chute with the sorting chamber.According to the slime separation device of the utility model embodiment, classifying cyclone is directly anchored to liquid-solid fluid bed top by pan feeding pallet, so that pan feeding (i.e. coal slime) can directly be flowed out by classifying cyclone, and it is flowed into liquid-solid fluid bed by pan feeding pallet, to avoid classifying cyclone and it is liquid-solid fluid bed between set up conveyance conduit, the space hold of slime separation device is reduced, and saves power consumption and material consumption, reduces the production cost of slime separation operation.

Description

Slime separation device and separation system

Technical field

The utility model relates to slime separation technical fields, in particular to a kind of slime separation device and sorting System.

Background technique

In the related technology, it in order to sort coal slime, needs to be classified (i.e. to coal coal slime by classifying cyclone Mud carries out the classification in granularity), and then point in density (is carried out to coal slime by liquid-solid fluid bed sorted to coal slime Choosing), with the coal slime satisfied the use demand.

But the coal slime that completion is classified in classifying cyclone needs to be transported in liquid-solid fluid bed by transport pipeline, no Only space hold is larger, and coal slime long distance delivery can also improve the power consumption and material consumption of slime separation device, increase coal slime Processing cost in assorting room.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions The space hold of a kind of slime separation device out, the slime separation device is small, and power consumption and material consumption are low.

Slime separation device according to the utility model embodiment includes: classifying cyclone, liquid-solid fluid bed and pan feeding Pallet, described liquid-solid fluid bed with chamber is sorted, the pan feeding pallet is solid on the liquid-solid fluid bed top and the liquid Fluidized bed connection, the pan feeding pallet are located in the sorting chamber room, and the pan feeding pallet has and the sorting chamber Feed chute.

According to the slime separation device of the utility model embodiment, classifying cyclone is directly anchored to by pan feeding pallet Liquid-solid fluid bed top so that pan feeding (i.e. coal slime) can directly be flowed out by classifying cyclone, and is flowed by pan feeding pallet In liquid-solid fluid bed, to avoid classifying cyclone and it is liquid-solid fluid bed between set up conveyance conduit, reduce slime separation dress The space hold set, and power consumption and material consumption are saved, reduce the production cost of slime separation profession.

Some embodiments according to the present utility model, the classifying cyclone underflow opening of the classifying cyclone protrude into it is described enter In hopper.

Further, grafting protrusion is additionally provided in the pan feeding pallet, the classifying cyclone is protruded into the grafting protrusion Partially to stop the classifying cyclone underflow opening in underflow opening.

In some embodiments, it is described it is liquid-solid fluid bed further include decelerating barrier, the decelerating barrier protrudes into the pan feeding Be spaced apart in slot and with the bottom wall of the feed chute, the decelerating barrier be radially positioned the classifying cyclone with it is described enter Between the side wall of material torr disk.

Optionally, described liquid-solid fluid bed including the lamina tecti of lathe bed and the cover on the lathe bed, the decelerating barrier It is connected to the lamina tecti, the pan feeding pallet is located in the sorting chamber room, the top of the lamina tecti and the pan feeding pallet Internal discharge gate is limited between wall jointly, is connected between the feed chute and the sorting chamber by internal discharge gate.

Further, the axial direction for extending perpendicularly to the sorting chamber of the internal discharge gate.

In some embodiments, it is described sorting chamber cross section be annular, the side wall of the lathe bed include inner sidewall and Lateral wall, the pan feeding pallet are connected to the inner sidewall of the sorting unit.

Further, the number of the classifying cyclone is multiple, and the decelerating barrier is annular, multiple classification rotations It is uniformly distributed in the inside of the decelerating barrier to flow device.

Some embodiments according to the present utility model, it is described it is liquid-solid fluid bed include: lathe bed, institute is limited in the lathe bed Sorting chamber is stated, the open top of the lathe bed forms material overflow port, inner wall and institute of the pan feeding pallet in the lathe bed State lathe bed connection, the lathe bed include the inner sidewall of annular, lateral wall and be connected to the inner sidewall and the lateral wall it Between multiple conical bottom walls, the multiple conical bottom wall is uniformly distributed along the circumferential direction of the lathe bed, the bottom of each conical bottom wall With underflow outlet.

Further, described liquid-solid fluid bed further include: water supply pipe, the water supply pipe, which has, is located at the sorting chamber Indoor outlet pipe, the number of the outlet pipe be it is multiple, each outlet pipe along the lathe bed radially extend and it is multiple The outlet pipe is uniformly distributed along the circumferential direction of the lathe bed, on each outlet pipe there are multiple radial directions along the lathe bed successively to divide The water jet of cloth, distribution density is gradually increased the water jet on the outlet pipe from inside to outside.

Slime separation system according to the utility model second aspect embodiment includes: coal slime storage device, such as above-mentioned reality Slime separation device, coarse medium slime screening plant described in example, coarse coal slurry screening plant and cleaned coal flotation unit are applied, it is described Coal slime storage device is for storing coal slime raw material, the discharge port of the coal slime storage device and the feed inlet of the classifying cyclone Connection, the classifying cyclone have discharger, and the liquid-solid fluid bed bottom has underflow outlet, the coarse medium slime sieve Screening device includes high frequency shale shaker, concentrator and the first filter press, and the high frequency shale shaker is suitable for sifting out coarse medium slime and will Liquid is supplied to concentrator after sieve, and the solid outlet of concentrator is connect with the first filter press, and the liquid outlet of concentrator and The liquid outlet of one filter press connects, and the solid outlet of the first filter press is suitable for discharge tail coal mud, the coarse coal slurry screening dress Set including concentrate cyclone and the linear vibrating screen being connect with the underflow opening of concentrate cyclone, the underflow opening of concentrate cyclone with Linear vibrating screen connection, linear vibrating screen are suitable for sifting out coarse coal slurry, and the cleaned coal flotation unit includes kaskad apparatus for pre-flotation pulp conditioning, flotation Column and the second filter press, the spilling of the overflow port of liquid and concentrate cyclone, classifying cyclone after the linear vibrating screen sieves Manifold is poly- and is connected to the feed inlet of kaskad apparatus for pre-flotation pulp conditioning, and the outlet of the kaskad apparatus for pre-flotation pulp conditioning is connect with flotation column, the flotation column Bottom outlet connect with the feed inlet of the concentrator, the feed inlet of the overflow port of the flotation column and second filter press connects Logical, the solid outlet of second filter press is suitable for discharge floatation clean coal, and the liquid outlet of the filter press is suitable for and ore pulp standard The feed inlet of standby device is connected to.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the cross-sectional view according to the slime separation device of the utility model embodiment；

Fig. 2 is the top view according to the slime separation device of the utility model embodiment；

Fig. 3 is the signal according to the classifying cyclone and pan feeding pallet of the slime separation device of the utility model embodiment Figure；

Fig. 4 is the signal according to the liquid-solid fluid bed water supply pipe of the slime separation device of the utility model embodiment Figure；

Fig. 5 is the schematic diagram according to the liquid-solid fluid bed lathe bed of the slime separation device of the utility model embodiment；

Fig. 6 is the enlarged diagram of a-quadrant in Fig. 5；

Fig. 7 is the schematic diagram according to the conical bottom wall of the lathe bed of the slime separation device of the utility model embodiment；

Fig. 8 is the device connection figure according to the slime separation system of the utility model embodiment.

Appended drawing reference:

Slime separation device 100, classifying cyclone 110, liquid-solid fluid bed 120, pan feeding pallet 130, decelerating barrier 140, Grafting protrusion 150, discharger 111, classifying cyclone underflow opening 112, classifying cyclone feed inlet 113, lathe bed 121, overflow launder 1211, conical bottom wall 1212, controller 122, pressure sensor 123, executing agency 124, compression bar 1241, water supply pipe 125, out Water pipe 1251, water jet 12511, lamina tecti 126, sorting chamber 127, underflow outlet 128, feed chute 131,

Coal slime storage device 200,

Coarse medium slime screening plant 300, high frequency shale shaker 310, concentrator 320, the first filter press 330,

Coarse coal slurry screening plant 400, concentrate cyclone 410, linear vibrating screen 420,

Cleaned coal flotation unit 500, kaskad apparatus for pre-flotation pulp conditioning 510, flotation column 520, the second filter press 530,

Pulp pump 600,

Coarse medium slime a, coarse coal slurry b, tail coal mud c, floatation clean coal d, recirculated water e.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar unit or unit with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

Below with reference to Fig. 1 to Fig. 8 description according to the slime separation device 100 of the utility model embodiment.

It as shown in Figure 1, Figure 2 and Figure 3, include: classification eddy flow according to the slime separation device 100 of the utility model embodiment Device 110, liquid-solid fluid bed 120 and pan feeding pallet 130, liquid-solid fluid bed 120 have sorting chamber, and pan feeding pallet 130 is solid in liquid The top of fluidized bed 120 is connect with liquid-solid fluid bed 120, and pan feeding pallet 130 is located in sorting chamber 127, pan feeding pallet 130 Inside limit the feed chute 131 being connected to sorting chamber 127.

According to the slime separation device 100 of the utility model embodiment, classifying cyclone 110 is passed through into pan feeding pallet 130 It is directly anchored to liquid-solid fluid bed 120 top, so that pan feeding (i.e. coal slime) can directly be flowed out by classifying cyclone 110, and is led to It crosses pan feeding pallet 130 to be flowed into liquid-solid fluid bed 120, to avoid between classifying cyclone 110 and liquid-solid fluid bed 120 Conveyance conduit is set up, the space hold of slime separation device 100 is reduced, and saves power consumption and material consumption, reduces coal slime The production cost of separation operation.

In the following, the working principle of the slime separation device 100 of the utility model embodiment is described in detail: coal slime point Screening device 100 includes classifying cyclone 110, pan feeding pallet 130 and liquid-solid fluid bed 120.Coal slime is defeated by Pulp pump 600 It is sent in classifying cyclone 110, in classifying cyclone 110, realizes the centrifugal sedimentation to coal slime, so that small grain size coal slime is being divided Spilling, big granularity coal slime flow out below classifying cyclone 110 above grade cyclone 110, thus by 110 lower section of classifying cyclone The big granularity coal slime of outflow is accommodated in pan feeding pallet 130, and then is flowed into liquid-solid fluid bed 120 by pan feeding pallet 130 In, and be sorted in liquid-solid fluid bed 120 as small density coal slime and big density coal slime.

It should be noted that in the assorting room of coal slime, the granularity (i.e. the partial size of coal slime particle) and coal slime of coal slime Density have large effect to the sorting of coal slime.Therefore, the utility model is by classifying cyclone 110 to the granularity of coal slime It is classified, coal slime is classified into big granularity coal slime and small grain size coal slime two parts, and then pass through liquid-solid fluid bed 120 pairs Big granularity coal slime is further sorted, and by sorting at small density coal slime and big density coal slime two parts so that liquid is consolidated The particle size range of big granularity coal slime in fluidized bed 120 is more concentrated, and is reduced interference of the granularity to coal slime settling effect, is consolidated liquid The delaminating deposition effect of coal slime in fluidized bed 120 is more preferable.

In specific embodiment shown in Fig. 3, classifying cyclone underflow opening 112 is protruded into feed chute 131.Exist as a result, In the course of work of slime separation device 100, the liquid higher than classifying cyclone underflow opening 112 could be formed in feed chute 131 Face forms air column to prevent air from entering in classifying cyclone 110, so improve classifying cyclone 110 to coal slime Grading effect.

It should be noted that classifying cyclone 110 generates vortex by rotation, to make coal slime quilt under the influence of centrifugal force Classification, in classification process, nearby pressure is lower than external atmosphere pressure to the central axis of classifying cyclone 110, and outside air is through dividing Grade cyclone underflow opening 112, which enters in classifying cyclone 110 and is formed as air column, can reduce point of classifying cyclone 110 Grade effect.

As shown in figures 1 and 3, grafting protrusion 150 is additionally provided in pan feeding pallet 130, grafting protrusion 150 is through classifying cyclone Underflow opening 112 protrudes into classifying cyclone underflow opening 112 partially to stop classifying cyclone underflow opening 112.Specifically, in pan feeding Multiple grafting protrusions 150 are provided in the circumferential direction of pallet 130, grafting protrusion 150 passes through classifying cyclone underflow opening 112 to protrude into Into classifying cyclone 110.The setting for passing through grafting protrusion 150 as a result, not only can further prevent the shape of air column At, and the big granularity coal slime being located in pan feeding pallet 130 can be prevented in the work of classifying cyclone 110 and extraneous pressure difference It under, flows back into classifying cyclone 110, to be effectively prevented from the appearance of suck-back phenomenon, improves the work of classifying cyclone 110 Stability.

In Fig. 1, Fig. 2, specific embodiment shown in Fig. 3, liquid-solid fluid bed 120 further include decelerating barrier 150, is slowed down Baffle 150 is protruded into feed chute 131 and is spaced apart with the bottom wall of feed chute 131, and decelerating barrier 150 is radially positioned classification rotation It flows between device 110 and the side wall of pan feeding pallet 130.

Specifically, the top of feed chute 131, the bottom wall of decelerating barrier 150 and feed chute 131 is arranged in decelerating barrier 150 Between the space that limits and the region where decelerating barrier 150 and classifying cyclone 110 be formed as being decelerated baffle 150 Two layers of the feed chute 131 of separation, and be connection between two layers.It can not only be held simultaneously by pan feeding pallet 130 as a result, The big granularity coal slime flowed out by classifying cyclone underflow opening 112 is buffered, and can be by decelerating barrier 150 to big granularity coal slime It carries out preliminary flow velocity to cut down, and the flow velocity of big granularity coal slime is further cut down by the outer wall of feed chute 131, with Keep the flow velocity for the big granularity coal slime being flowed into liquid-solid fluid bed 120 through pan feeding pallet 130 lower, and keeps big granularity coal slime horizontal It is flowed into liquid-solid fluid bed 120, to reduce impact of the big granularity coal slime to liquid-solid fluid bed 120.

It is existing to the pan feeding mode for adding big granularity coal slime in liquid-solid fluid bed 120 to be here it is possible to understand Big granularity coal slime (is directly added to liquid in liquid-solid fluid bed 120 top to fluidize admittedly in a manner of near vertical by heart pan feeding In bed 120), it will lead to big granularity coal slime to liquid-solid fluid bed 120 impact, and then reduce liquid-solid fluid bed 120 separating effect.

As shown in figure 3, liquid-solid fluid bed 120 include lathe bed 121 and lamina tecti 126, pan feeding pallet 130 is located at sorting chamber In room 127, internal discharge gate, feed chute 131 and sorting chamber 127 are limited between lamina tecti 126 and pan feeding pallet 130 jointly Between connected by internal discharge gate.In this way, not only can by the upper inlet of 126 the cover of lamina tecti liquid-solid fluid bed 120, To prevent small grain size coal slime or unassorted coal slime from entering in liquid-solid fluid bed 120, and can by lamina tecti 126, Keep the flow for the big granularity coal slime being drained into liquid-solid fluid bed 120 in feed chute 131 more stable.

Further, the axial direction for extending perpendicularly to sorting chamber 127 of internal discharge gate.It is liquid-solid fluid bed as a result, 120 intermediate region limits internal discharge gate, to facilitate the arrangement of feed chute 131, makes each portion in slime separation device 100 The spatial distribution of part is more reasonable.

As shown in Figure 1, the number of classifying cyclone 110 be it is multiple, decelerating barrier 150 be annular, multiple classifying cyclones 110 are distributed in the inside of decelerating barrier 150.Thus, it is possible to according to the production needs of slime separation device 100, in decelerating barrier Multiple classifying cyclones 110 are arranged in 150 inside so that the productivity of classifying cyclone 110 with liquid-solid fluid bed 120 production Power matches, and then production capacity is avoided to waste, and improves production efficiency, reduces cost.

As shown in Fig. 2, the number of classifying cyclone 110 be it is multiple, decelerating barrier 150 be annular, multiple classifying cyclones 110 is uniformly distributed on the inside of decelerating barrier 150.In this way, can be arranged in the annular region that the decelerating barrier 150 of annular limits more A classifying cyclone 110, so that the coal slime that multiple classifying cyclones 110 are classified can satisfy liquid-solid fluid bed 120 production It needs, so that the productivity collocation between multiple classifying cyclones 110 and liquid-solid fluid bed 120 is more reasonable, when improving unit The production efficiency of interior slime separation device 100.

As shown in Fig. 1, Fig. 5, Fig. 6 and Fig. 7, liquid-solid fluid bed 120 include: lathe bed 121, and sorting is limited in lathe bed 121 Chamber 127, the open top of lathe bed 121 are simultaneously formed with overflow launder 1211, and overflow launder 1211 has material overflow port, pan feeding pallet 130 It is connect in the inner wall of lathe bed 121 with lathe bed 121, lathe bed 121 is including annular inner sidewall, lateral wall and is connected to inside Multiple conical bottom walls 1212 between wall and lateral wall, multiple conical bottom walls 1212 are uniformly distributed along the circumferential direction of lathe bed 121, each cone The bottom of shape bottom wall 1212 has underflow outlet 128.

Specifically, big granularity coal slime is sorted into small density coal slime and big density coal slime two in liquid-solid fluid bed 120 Part, small density coal slime are flowed into overflow launder 1211 along the upper end of lathe bed 121, and are discharged by material overflow port, big density coal slime It is deposited in the centrum that multiple conical bottom walls 1212 limit.In this way, being deposited on big density coal slime in multiple centrums, not only make The deposition effect of big density coal slime is more preferable, and increases the dehydration area of the big density coal slime in unit volume, makes big density Faster, dehydrating effect is more preferable for coal slime dewatering, to improve liquid-solid fluid bed 120 dehydration efficiency.

As depicted in figs. 1 and 2, liquid-solid fluid bed 120 further include: controller 122, pressure sensor 123 and execution machine Structure 124, pressure sensor 123 are set in sorting chamber 127, and pressure sensor 123 is electrically connected with controller 122 to believe pressure Breath is sent to controller 122, and executing agency 124 has compression bar 1241, and a part of compression bar 1241 protrudes into sorting chamber 127 simultaneously Underflow outlet 128 is blocked, controller 122 is electrically connected with executing agency 124, to drive executing agency when pressure is more than preset value 124 act and lift compression bar 1241 from underflow outlet 128.

In this way, can by multiple pressure sensors 123 with to sorting chamber 127 in pressure carry out real-time measurement, with When sorting 127 some region of hypertonia of chamber, make the accordingly unlatching of underflow outlet 128, so that in sorting chamber 127 Pressure distribution it is more uniform, and then keep the distribution of big density coal slime liquid-solid fluid bed 120 inside more uniform, reduction bed Pressure oscillation keeps liquid-solid fluid bed 120 separating effect more ideal.

In specific embodiment shown in Fig. 4, liquid-solid fluid bed 120 further include: water supply pipe 125, water supply pipe 125 have the outlet pipe 1251 being located in sorting chamber 127, and the number of outlet pipe 1251 is multiple, each 1251 edge of outlet pipe Lathe bed 121 radially extend and multiple outlet pipes 1251 are uniformly distributed along the circumferential direction of lathe bed 121, have on each outlet pipe 1251 more The water jet 12511 that a radial direction along lathe bed 121 is sequentially distributed, the water jet 12511 on outlet pipe 1251 are distributed from inside to outside Density is gradually increased.

In this way, not only outlet pipe 1251 radially distributed in sorting chamber 127 makes to be formed uniformly in sorting chamber 127 Ascending current, and the water jet 12511 that density is gradually increased from inside to outside can effectively buffer pan feeding impact, in turn It is consistent with the ascending current flow velocity in remaining region to make the flow velocity of the ascending current in liquid-solid fluid bed 120 pan feeding region, and then makes Liquid-solid fluid bed 120 efficiency of separation is more stable, and job stability is higher.

It is described in detail referring to the course of work of the Fig. 1 to the slime separation device 100 of the utility model embodiment.

As shown in Figure 1, firstly, water supply pipe 125 supplies water to liquid-solid fluid bed 120, so as to be formed in liquid-solid fluid bed 120 Ascending current, and it is flowed into a part of water in feed chute 131 so that the liquid level of water did not had classifying cyclone bottom in feed chute 131 Head piece 112.

In turn, it is driven into coal slime in classifying cyclone 110 through Pulp pump 600, is classified in classifying cyclone 110 Big granularity coal slime and small grain size coal slime, small grain size coal slime are discharged to down by being located at the discharger 111 of 110 top of classifying cyclone One process, big granularity coal slime flows out in pan feeding pallet 130 by classifying cyclone underflow opening 112, in pan feeding pallet 130, Big granularity coal slime flows out to liquid-solid fluid bed 120 by the side wall of feed chute 131 by after buffering reduction of speed.

In liquid-solid fluid bed 120, big granularity coal slime is sorted into big density coal slime and small density coal slime, small density coal slime Under the action of ascending current, sorting chamber 127 is flowed out along overflow launder 1211, and be discharged to subsequent processing through material overflow port, it is big close Degree coal slime is deposited on multiple 128 tops of underflow outlet, and multiple pressure sensors 123 acquire multiple 128 tops of underflow outlet respectively Pressure, and pressure be more than calibration value when, by controller 122 make executing agency 124 it is electric, thus in executing agency 124 Driving under, compression bar 1241 works so that underflow outlet 128 is opened, and then makes big density coal slime discharge liquid-solid fluid bed 120, To complete the sorting of coal slime, and when below pressure recovery to calibration value, underflow outlet 128 is closed.

Wherein, the corresponding executing agency 124 of each pressure sensor 123 and a controller 122 and each Pressure sensor 123 can work independently with corresponding executing agency 124 and controller 122, so that some or multiple bottoms Outflux 128 is opened, to maintain the pressure in sorting chamber 127 to stablize.

Thus, it is possible to reach following technical effect:

(1) make to form good working environment inside classifying cyclone 110, be effectively prevented the generation of air column, and prevent The only appearance of suck-back phenomenon improves the grading effect of classifying cyclone 110.

(2) stream that big granularity coal slime flows to liquid-solid fluid bed 120 is reduced by pan feeding pallet 130 and decelerating barrier 150 Speed, and be allowed to flow into liquid-solid fluid bed 120 in the horizontal direction, to reduce impact of the big granularity coal slime to liquid-solid fluid bed 120, mention The separating effect of height liquid-solid fluid bed 120.

(3) multiple classifying cyclones 110 can be arranged, so that liquid fluidizes admittedly according to liquid-solid fluid bed 120 separation velocity Bed 120 and the production collocation of classifying cyclone 110 are more reasonable, improve production efficiency, reduce production capacity waste.

(4) multiple pressure sensors 123, compression bar 1241 and the setting of executing agency 124 make the pressure for sorting chamber 127 Power distribution is more uniform, and then the material for making to sort in chamber 127 is distributed more uniform, the bed density phase one of each region It causes, so that liquid-solid fluid bed 120 separating effect keeps stable, reliable.

(5) by the setting of multiple conical bottom walls 1212 below sorting chamber 127, make in big density coal slime unit volume Dehydration area it is bigger, to effectively improve the dehydration efficiency of big density coal slime.

As shown in figure 8, including: coal slime storage device according to the slime separation system of the utility model second aspect embodiment 200, the slime separation device 100 such as in above-described embodiment, coarse medium slime a screening plant 300, coarse medium slime a screening plant 400 And cleaned coal flotation unit 500.

Wherein, coal slime storage device 200 is revolved for storing coal slime raw material, the discharge port of coal slime storage device 200 and classification It flows device feed inlet 113 to connect, classifying cyclone 110 has discharger 111, and liquid-solid fluid bed 120 bottom has underflow outlet 128。

Coarse medium slime a screening plant 300 includes high frequency shale shaker 310, concentrator 320 and the first filter press 330, high frequency Vibrating screen 310 is suitable for sifting out coarse medium slime a and supplies liquid after sieve to concentrator 320, the solid outlet of concentrator 320 and the The connection of one filter press 330, and the liquid outlet of concentrator 320 is connect with the liquid outlet of the first filter press 330, the first filter press 330 solid outlet is suitable for discharge tail coal mud c.

Coarse medium slime a screening plant 400 includes concentrate cyclone 410 and connect with the underflow opening of concentrate cyclone 410 Linear vibrating screen 420, the underflow opening of concentrate cyclone 410 connect with linear vibrating screen 420, and linear vibrating screen 420 is suitable for sieve Coarse coal slurry b out.

Cleaned coal flotation unit 500 includes kaskad apparatus for pre-flotation pulp conditioning 510, flotation column 520 and the second filter press 530, straight-line oscillation Liquid converges with the overflow port of concentrate cyclone 410, the discharger 111 of classifying cyclone 110 and prepares with ore pulp after 420 sieve of sieve The feed inlet of device 510 is connected to, and the outlet of kaskad apparatus for pre-flotation pulp conditioning 510 is connect with flotation column 520, the bottom outlet of flotation column 520 with it is dense The feed inlet of machine 320 connects, and the overflow port of flotation column 520 is connected to the feed inlet of the second filter press 530, the second filter press 530 Solid outlet be suitable for discharge floatation clean coal d, the liquid outlet of filter press is suitable for being connected to the feed inlet of kaskad apparatus for pre-flotation pulp conditioning 510.

Coal slime is supplied in slime separation device 100 by coal slime storage device 200 as a result, and slime separation device 100 is by coal After mud sorting classifying, it is fed separately to coarse medium slime a screening plant 300, coarse medium slime a screening plant 400 and cleaned coal flotation Device 500 is to respectively obtain coarse medium slime a, coarse coal slurry b, tail coal mud c and floatation clean coal d.

As shown, the utility model further provides a kind of method for separating packet using above-mentioned slime separation system It includes:

Classification and sorting: coal slime raw material is sub-elected into small grain size coal slime and big granularity coal slime, big grain by cyclonic separation process Degree coal slime fluidizes process sorting admittedly through liquid to obtain big density coal slime and small density coal slime；

Coarse medium slime a sorting: big density coal slime is selected through high frequency shale shaker 310, coarse medium slime a, screenings are obtained on sieve It is dehydrated, filters pressing, finally obtains tail coal mud c and recirculated water e；

Coarse coal slurry b sorting: small density coal slime being concentrated, is screened to the solid obtained after concentration, on sieve To coarse coal slurry b, the liquid of the generation in screenings and enrichment process is conveyed to flotation；

Cleaned coal flotation: by small grain size coal slime obtained in classification and sorting, coarse coal slurry b sorting obtained in screenings with it is dense The liquid of generation in contracting process is mixed together, flotation, filters pressing, to obtain floatation clean coal d, the liquid that filters pressing generates after filters pressing It is back to mixed processes.

It is described in detail referring to slime separation system and method for separating of the Fig. 8 to the utility model.

As shown in figure 8, slime separation system includes coal slime storage device 200, slime separation device 100, coarse medium slime a Screening plant 300, coarse medium slime a screening plant 400 and cleaned coal flotation unit 500.Wherein, slime separation device 100 is by dividing Grade cyclone 110, liquid-solid fluid bed 120 and pan feeding pallet 130 form；Coarse medium slime a screening plant 300 is by high-frequency vibration Sieve 310, concentrator 320 and the first filter press 330 composition；Coarse medium slime a screening plant 400 is by concentrate cyclone 410 and directly 420 composition of linearly coupled sieve；Cleaned coal flotation unit 500 is by 530 groups of kaskad apparatus for pre-flotation pulp conditioning 510, flotation column 520 and the second filter press At.

As shown in figure 8, method for separating is to inject ascending current in liquid-solid fluid bed 120, until shape in liquid-solid fluid bed 120 At after uncertain ascending current and after ascending current do not had classifying cyclone underflow opening 112.Make 200 memory of coal slime storage device The unprocessed coal slime put is flowed into classifying cyclone 110, the quilt in classifying cyclone 110 under the action of Pulp pump 600 It is classified into big granularity coal slime and small grain size coal slime, small grain size coal slime flows through the discharger 111 of classifying cyclone 110 and is imported into In cleaned coal flotation unit 500.

Big granularity coal slime is flowed into pan feeding pallet 130 by classifying cyclone underflow opening 112, then by pan feeding pallet 130 It is flowed into liquid-solid fluid bed 120, big density coal slime and small density coal slime is sorted into liquid-solid fluid bed 120, it is small close Coal slime is spent under the action of ascending current, via liquid-solid fluid bed overflow port outflow liquid-solid fluid bed 120 and is imported into coal in thick Mud a screening plant 400, big density coal slime deposit in liquid-solid fluid bed 120, and when pressure exceeds setting value, in the machine of execution Open liquid-solid fluid bed 120 underflow outlet 128 under the action of structure 124, and then big density coal slime is flowed into coarse medium slime a sieve In screening device 300.

Further, screening of the big density coal slime in coarse medium slime a screening plant 300 in high frequency shale shaker 310 Under be divided into coarse medium slime a and screenings two parts, after screenings is dehydrated into concentrator 320, enter the first filter press 330 It is further dehydrated and is formed as tail coal mud c, the moisture of abjection is continued to participate in the form of recirculated water e in sorting process.

After small density coal slime in coarse medium slime a screening plant 400 is concentrated the dehydration of cyclone 410, shake in straight line It is further sorted on dynamic sieve 420, to be divided into coarse coal slurry b and screenings two parts, screenings is imported into cleaned coal flotation dress Set 500.

Ore pulp is entered to, small grain size coal slime and together by the screenings in coarse medium slime a screening plant 400 prepare In device 510, the concentration of small grain size coal slime and screenings is adjusted in kaskad apparatus for pre-flotation pulp conditioning 510, and is allowed to after concentration is suitable It enters in flotation column 520, flotation column 520 carries out flotation to it, and it is divided into two parts, and a portion enters second Be formed as floatation clean coal d after 530 flotation of filter press, another part, which enters in concentrator 320, is formed as tail coal mud c after dehydration.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the structure of indication or suggestion meaning or Unit must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (11)

1. a kind of slime separation device characterized by comprising

Classifying cyclone；

It is liquid-solid fluid bed, it is described liquid-solid fluid bed with sorting chamber；And

Pan feeding pallet, the pan feeding pallet is in the liquid-solid fluid bed top and the liquid-solid fluid bed connection, the pan feeding Pallet is located in the sorting chamber room, and the pan feeding pallet has the feed chute with the sorting chamber.

2. slime separation device according to claim 1, which is characterized in that the classifying cyclone has classifying cyclone Underflow opening, the classifying cyclone underflow opening protrude into the feed chute.

3. slime separation device according to claim 1 or 2, which is characterized in that be additionally provided with grafting in the pan feeding pallet Protrusion, the grafting protrusion are protruded into the classifying cyclone underflow opening partially to stop the classifying cyclone underflow opening.

4. slime separation device according to claim 1, which is characterized in that it further include decelerating barrier, the decelerating barrier It protrudes into the feed chute and is spaced apart with the bottom wall of the feed chute, the decelerating barrier is radially positioned the classification rotation It flows between device and the side wall of the pan feeding pallet.

5. slime separation device according to claim 4, which is characterized in that described liquid-solid fluid bed including lathe bed and the cover Lamina tecti on the lathe bed, the decelerating barrier are connected to the lamina tecti, and the pan feeding pallet is located at the sorting chamber Interior, limits internal discharge gate jointly between the lamina tecti and the roof of the pan feeding pallet, the feed chute with it is described It is connected between sorting chamber by internal discharge gate.

6. slime separation device according to claim 5, which is characterized in that the extending direction of the internal discharge gate is vertical In the axial direction of the sorting chamber.

7. slime separation device according to claim 5, which is characterized in that the cross section of the sorting chamber is annular, The side wall of the lathe bed includes inner sidewall and lateral wall, and the pan feeding pallet is connected to the inner sidewall of the sorting unit.

8. slime separation device according to claim 5, which is characterized in that the number of the classifying cyclone be it is multiple, The decelerating barrier is annular, and multiple classifying cyclones are uniformly distributed in the inside of the decelerating barrier.

9. slime separation device according to claim 1, which is characterized in that described liquid-solid fluid bed to include:

Lathe bed, limits the sorting chamber in the lathe bed, and the open top of the lathe bed forms material overflow port, it is described enter material torr Disk is connect in the inner wall of the lathe bed with the lathe bed, and the lathe bed includes inner sidewall, lateral wall and the connection of annular Multiple conical bottom walls between the inner sidewall and the lateral wall, the multiple conical bottom wall is along the circumferential equal of the lathe bed The bottom of cloth, each conical bottom wall has underflow outlet.

10. slime separation device according to claim 8, which is characterized in that described liquid-solid fluid bed further include:

Water supply pipe, the water supply pipe, which has, is located at the indoor outlet pipe of the sorting chamber, and the number of the outlet pipe is more It is a, each outlet pipe along the lathe bed radially extend and multiple outlet pipes are uniformly distributed along the circumferential direction of the lathe bed, often The water jet being sequentially distributed on a outlet pipe with multiple radial directions along the lathe bed, water jet on the outlet pipe from Distribution density is gradually increased from inside to outside.

11. a kind of slime separation system characterized by comprising

Coal slime storage device, the coal slime storage device is for storing coal slime raw material；

Such as slime separation device of any of claims 1-10, the discharge port of the coal slime storage device with described point The feed inlet connection of grade cyclone, the classifying cyclone have discharger, and the liquid-solid fluid bed bottom is flowed out the bottom of with Mouthful；

Coarse medium slime screening plant, the coarse medium slime screening plant include high frequency shale shaker, concentrator and the first filter press, The high frequency shale shaker is suitable for sifting out coarse medium slime and supplying liquid after sieve to concentrator, the solid outlet of concentrator and first Filter press connection, and the liquid outlet of concentrator and the liquid outlet of the first filter press converge, the solid outlet of the first filter press Suitable for tail coal mud is discharged；

Coarse coal slurry screening plant, the coarse coal slurry screening plant include concentrate cyclone and the underflow with concentrate cyclone The linear vibrating screen of mouth connection, the underflow opening of concentrate cyclone are connect with linear vibrating screen, and linear vibrating screen is suitable for sifting out coarse-fine Coal slime；

Cleaned coal flotation unit, the cleaned coal flotation unit include kaskad apparatus for pre-flotation pulp conditioning, flotation column and the second filter press, the straight line The overflow port of liquid and concentrate cyclone, the discharger convergence of classifying cyclone and the charging with kaskad apparatus for pre-flotation pulp conditioning after Vibration Screen Mouth connection, the outlet of the kaskad apparatus for pre-flotation pulp conditioning are connect with flotation column, the charging of the bottom outlet of the flotation column and the concentrator Mouth connection, the overflow port of the flotation column are connected to the feed inlet of second filter press, and the solid of second filter press goes out Mouth is suitable for discharge floatation clean coal, and the liquid outlet of the filter press is suitable for being connected to the feed inlet of kaskad apparatus for pre-flotation pulp conditioning.