CN203620769U - Fluid distributor of liquid-solid fluidized bed sorting and classifying equipment - Google Patents
Fluid distributor of liquid-solid fluidized bed sorting and classifying equipment Download PDFInfo
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- CN203620769U CN203620769U CN201320805008.6U CN201320805008U CN203620769U CN 203620769 U CN203620769 U CN 203620769U CN 201320805008 U CN201320805008 U CN 201320805008U CN 203620769 U CN203620769 U CN 203620769U
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Abstract
A fluid distributor of liquid-solid fluidized bed sorting and classifying equipment mainly comprises a valve, a fluid distributing main pipe, an annular branch pipe, a straight branch pipe, buffer fluid distributing plates, a discharging fluid distributing plate and a lower barrel body, wherein the fluid distributing main pipe is connected with the lower barrel body via the annular branch pipe and the straight branch pipe with a plurality of included angles; in the lower barrel body, a position higher than a horizontal position of the fluid distributing pipe is provided with a plurality of buffer fluid distributing plates with vertically-arranged distributing holes and an inverted tapered discharging fluid distributing plate; an underflow discharging pipe is arranged on the center of the lower barrel body and passes through all the buffer fluid distributing plates; and the underflow discharging pipe is wedged with an underflow discharging valve on the external side of the lower barrel body bottom. The fluid distributor possesses functions of providing even and stable ascending water flow, bearing bed layer weight and fluidizing and discharging underflow; the fluid distributor of the liquid-solid fluidized bed sorting and classifying equipment has simple and compact structure, great stability and convenient operation; and by the use of the fluid distributor, evenness and stability of the ascending water flow of the liquid-solid fluidized bed sorting and classifying equipment and discharging capability of underflow products can be greatly improved and sorting performance is enhanced.
Description
Technical field
The utility model relates to a kind of liquid-solid fluid bed fluid distributor, especially a kind of fluid distributor that is applicable to the sorting of 1-0.25mm fine mineral and the liquid-solid fluid bed separation classification device of classification.
Background technology
Liquid-solid fluid bed separation machine is a kind of strengthening gravitational field separation classification device, can effectively realize the sorting classifying of 1-0.25mm fine grained mineral, has successfully realized industrialization.Its separating mechanism: material, under the effect of ascending current, forms the interference fluid bed with certain density gradient, separates based on different grain size, density disturbance caused sinking speed difference; Low-density or fine fraction particle floating, become floating thing, and high density or coarse fraction particle sink, and become hypostasis.The fluid distributor of liquid-solid fluid bed separation classification device has and produces even ascending current, supports the effect of whole bed and discharge underflow concurrently, is one of key factor affecting liquid-solid fluid bed separation classification device working effect.Chinese patent ZL200720037745.0 discloses a kind of fluid distributor, adopt multitube distributor and lateral flow type distributor to combine, liquid distribution trough is distributed and is responsible for by the fluid of valve control, distribute and be responsible for the ring arm and the allotment pipe formation that are connected with fluid, the apopore of some horizontal directions is offered in every arm top.But there is following problem in this fluid distributor: (1) is greater than the arm away from supervisor's flow inlet near the arm flow intensity of supervisor's flow inlet, on every arm, be greater than the apopore away from supervisor near supervisor's apopore flow intensity, cause the current skewness on whole cylinder cross section; (2) the perforate direction of fluid distributor arm is horizontal direction, but assorting room needs uniform ascending current, therefore it is upwelling that the current that apopore sprays need regular hour and spatial alternation, and simultaneously inevitable segment fluid flow is transformed to sinking, is unfavorable for the stable of ascending current; (3) when pan feeding enters liquid-solid fluid bed cylinder by upper feeding bucket with certain initial velocity, due to effect of inertia, the low-density particles that should float is one segment distance of sedimentation downwards all, especially the thicker low-density particles settling height of granularity is larger, once this part low-density particles is settled down to below fluid distributor horizontal branch pipe, just Returning fluid distributor top sorting again again, is lost in mine tailing but directly enter underflow hypostasis, has affected separating effect; (4) high density granular is collected and is discharged by back taper tail coal guiding gutter, because tail coal guiding gutter is positioned at fluid distributor below, the current that feed are very weak to this part particle generation effect, along with sorting is carried out, high density granular is constantly accumulated, and more presses tighter, moisture is more and more lower, may cause underflow discharge gate to stop up, underflow can not be discharged smoothly, affects carrying out continuously of assorting room.All there are the problems referred to above in the published utility model patent about liquid-solid fluid bed separation classification device (notification number CN101804382A, notification number CN101850293A and CN102205262A).
Utility model content
The purpose of this utility model is for problems of the prior art, provide compact single, the feedwater of a kind of structure letter evenly, smooth and easy stable, the fluid distributor that can improve the liquid-solid fluid bed separation classification device of separating effect of underflow discharge.
For achieving the above object, the fluid distributor of liquid-solid fluid bed separation classification device of the present utility model, comprise the upper barrel body and the lower barrel body that are connected as one by flange, lower barrel body inside center is provided with underflow drainage conduit, lower barrel body bottom outside is provided with the underflow discharge valve with underflow drainage conduit phase wedging, described lower barrel body outside is provided with the fluid of controlling uninterrupted valve and distributes and be responsible for, fluid is connected with and surrounds the lower barrel body fluid distribution rings arm of a week on distributing and being responsible for, fluid distribution rings arm is provided with multiple angles that wait and arranges the fluid distribution allotment pipe being connected with lower barrel body, the inside of lower barrel body is provided with buffer fluid distribution grid higher than the position of fluid distribution supervisor horizontal plane, the top of buffer fluid distribution grid is provided with the discharge fluid distribution plate of back taper, the vertex of a cone of discharge fluid distribution plate is connected with the top of underflow drainage conduit, described buffer fluid distribution grid and discharge fluid distribution plate all have the distribution hole of vertical direction.
Described multiple fluid distribution allotment pipes that wait angle to arrange are preferably 2-16; Described multilayer buffer fluid distribution grid is preferably 1-3 layer; The described conical surface of back taper discharge fluid distribution plate and the angle of horizontal direction can regulate according to underflow discharge velocity, are preferably 10-40 °; The aperture of described distribution hole is preferably 0.25-0.5mm, and percent opening is preferably 25-55%;
Beneficial effect: owing to having adopted technique scheme, the utility model compared with prior art tool has the following advantages:
1. fluid distributes to be responsible for, to encircle arm and shunt allotment pipe by the fluid being evenly arranged and feeds in liquid-solid fluid bed staving, guarantees fluid being uniformly distributed on whole staving cross section;
2. flow through multilayer buffer fluid distribution grid and discharge fluid distribution plate of fluid, reduces flow velocity and the turbulent extent of fluid, and the opening direction of distribution hole is vertical direction simultaneously, guarantee ascending fluid evenly, stable;
3. the discharge fluid distribution plate of back taper is in supporting whole bed, can provide impulse force upwards for the particle that deposits to bottom, play the effect of scanning, make concentrated underflow product keep a kind of fluidized state simultaneously, be conducive to collection and the discharge of underflow materials, avoid underflow materials constantly to gather the obstruction causing, thereby made assorting room more smooth and easy, improved separating effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram of the line arrangement of the utility model fluid distributor.
Fig. 3 is the schematic diagram of the buffer fluid distribution grid of the utility model fluid distributor.
In figure: 1-valve, 2-fluid distributes and is responsible for, 3-buffer fluid distribution grid, 4-discharge fluid distribution plate, 5-distribution hole, 6-upper barrel body, 7-flange, 8-underflow drainage conduit, 9-lower barrel body, 10-underflow discharge valve, 2-1-fluid distribution rings arm, 2-2-fluid distribution allotment pipe.
The specific embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is further described:
As shown in Figure 1, the fluid distributor of liquid-solid fluid bed separation classification device of the present utility model, is mainly made up of valve 1 and the fluid distributor pipe of staving, control fluid flow.Staving is connected as a single entity by flange 7 by upper barrel body 6 and lower barrel body 9, and the cross section of staving is circle or rectangle, is circular in Fig. 1; The inside of lower barrel body 9 is provided with higher than the position of fluid distribution supervisor 2 horizontal planes the buffer fluid distribution grid 3 that multiple-layer horizontal is arranged, described multilayer buffer fluid distribution grid 3 is preferably 1-3 layer, is 2 layers in Fig. 1.The top of buffer fluid distribution grid 3 is provided with the discharge fluid distribution plate 4 of back taper, and the conical surface of described back taper discharge fluid distribution plate 4 and the angle of horizontal direction regulate according to discharge velocity, are preferably 10-40 °.The distribute inside center of 4 the vertex of a cone and lower barrel body 9, the underflow drainage conduit 8 that runs through buffer fluid distribution grid 3 of discharge fluid is connected, and the bottom outside of lower barrel body 9 is provided with the back taper discharge valve 10 with underflow drainage conduit 8 phase wedgings.Shown in Fig. 2, fluid distributor pipe with the fluid of valve 1 distribute supervisor 2, form with the fluid shunting allotment pipe 2-2 that the supervisor 2 ring arm 2-1 that are connected and the angle such as multiple arrange that distributes, described multiple fluid distribution allotment pipe 2-2 that wait angle to arrange are preferably 2-16.Fluid distribution supervisor 2, ring arm 2-1 and allotment pipe 2-2 are positioned at same level; In Fig. 2, fluid distribution allotment pipe 2-2 is 8, and it is upper that every two fluid distribution allotment pipe 2-2 are evenly connected to fluid distribution rings arm 2-1 with identical angle, and the other end is connected with the lower barrel body 9 of liquid-solid fluid bed staving.Shown in Fig. 3, described buffer fluid distribution grid 3 and discharge fluid distribution plate 4 all have the distribution hole 5 of vertical direction, described buffer fluid distribution grid 3 is preferably 0.25-0.5mm with the aperture of the distribution hole 5 of discharge fluid distribution plate 4, and percent opening is preferably 25-55%.
The course of work: the high-velocity flow of squeezing into by pump enters fluid distribution rings arm 2-1 by the fluid distribution supervisor 2 with valve 1, evenly branch to again 2-16, in legend, be 8 fluid distribution allotment pipe 2-2 that wait angle to arrange, in the final lower barrel body 9 that all imports liquid-solid fluid bed staving, along with the water yield in lower barrel body 9 increases gradually, current move upward, through having 1 layer of buffer fluid distribution grid 3 of vertical direction distribution hole 5 and the uniform and cushioning effect of discharge fluid distribution plate 4, form even along the cross section of staving, stable ascending current, and the speed of flow-control ascending current by control valve 1, in assorting room, density is settled down to the bottom of lower barrel body 9 downwards through bed higher than the particle of fluid bed bed density, collection and water conservancy diversion that the inclination conical surface of discharge fluid distribution plate 4 is conducive to density underflow particle enter underflow drainage conduit 8, the ascending current of discharge fluid distribution plate 4 can be scanned the high density granular sinking simultaneously, and make concentrated underflow product keep a kind of fluidized state, prevent the obstruction of underflow product deposition, in the time opening underflow discharge valve 10, discharge smoothly underflow product, guarantee that assorting room continuously, carry out efficiently.
Claims (5)
1. the fluid distributor of a liquid-solid fluid bed separation classification device, comprise the upper barrel body (6) and the lower barrel body (9) that are connected as one by flange (7), lower barrel body (9) inside center is provided with underflow drainage conduit (8), lower barrel body (9) bottom outside is provided with the underflow discharge valve (10) with underflow drainage conduit (8) phase wedging, it is characterized in that: described lower barrel body (9) outside is provided with the fluid of controlling uninterrupted valve (1) and distributes and be responsible for (2), fluid distributes to be responsible on (2) and is connected with and surrounds the lower barrel body fluid distribution rings arm (2-1) of (9) weeks, fluid distribution rings arm (2-1) is provided with multiple angles that wait and arranges the fluid distribution allotment pipe (2-2) being connected with lower barrel body (9), the inside of lower barrel body (9) is provided with buffer fluid distribution grid (3) higher than the position of fluid distribution supervisor (2) horizontal plane, the top of buffer fluid distribution grid (3) is provided with the discharge fluid distribution plate (4) of back taper, the vertex of a cone of discharge fluid distribution plate (4) is connected with the top of underflow drainage conduit (8), described buffer fluid distribution grid (3) and discharge fluid distribution plate (4) all have the distribution hole (5) of vertical direction.
2. the fluid distributor of liquid-solid fluid bed separation classification device according to claim 1, is characterized in that: described multiple fluid distribution allotment pipes (2-2) that wait angle to arrange are preferably 2-16.
3. the fluid distributor of liquid-solid fluid bed separation classification device according to claim 1, is characterized in that: described multilayer buffer fluid distribution grid (3) is preferably 1-3 layer.
4. the fluid distributor of liquid-solid fluid bed separation classification device according to claim 1, is characterized in that: the conical surface of described back taper discharge fluid distribution plate (4) and the angle of horizontal direction regulate according to discharge velocity, are preferably 10-40 °.
5. the fluid distributor of liquid-solid fluid bed separation classification device according to claim 1, it is characterized in that: described buffer fluid distribution grid (3) is preferably 0.25-0.5mm with the aperture of the distribution hole (5) of discharge fluid distribution plate (4), and percent opening is preferably 25-55%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805008.6U CN203620769U (en) | 2013-12-09 | 2013-12-09 | Fluid distributor of liquid-solid fluidized bed sorting and classifying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805008.6U CN203620769U (en) | 2013-12-09 | 2013-12-09 | Fluid distributor of liquid-solid fluidized bed sorting and classifying equipment |
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| Publication Number | Publication Date |
|---|---|
| CN203620769U true CN203620769U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320805008.6U Expired - Fee Related CN203620769U (en) | 2013-12-09 | 2013-12-09 | Fluid distributor of liquid-solid fluidized bed sorting and classifying equipment |
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| CN (1) | CN203620769U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103657835A (en) * | 2013-12-09 | 2014-03-26 | 中国矿业大学 | Fluid distributor of liquid-solid fluidized bed separating and classifying equipment |
| CN106076596A (en) * | 2016-07-18 | 2016-11-09 | 中国矿业大学 | Density separation device pressed by a kind of rotating belt strengthening fine |
| CN106680160A (en) * | 2017-02-28 | 2017-05-17 | 广西大学 | Continuous hydraulic analyzer adopting flow rising method and analysis method thereof |
-
2013
- 2013-12-09 CN CN201320805008.6U patent/CN203620769U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103657835A (en) * | 2013-12-09 | 2014-03-26 | 中国矿业大学 | Fluid distributor of liquid-solid fluidized bed separating and classifying equipment |
| CN103657835B (en) * | 2013-12-09 | 2016-02-24 | 中国矿业大学 | A kind of fluid distributor of liquid-solid fluid bed separation classification device |
| CN106076596A (en) * | 2016-07-18 | 2016-11-09 | 中国矿业大学 | Density separation device pressed by a kind of rotating belt strengthening fine |
| CN106076596B (en) * | 2016-07-18 | 2018-05-18 | 中国矿业大学 | A kind of rotating belt strengthens fine and presses density separation device |
| CN106680160A (en) * | 2017-02-28 | 2017-05-17 | 广西大学 | Continuous hydraulic analyzer adopting flow rising method and analysis method thereof |
| CN106680160B (en) * | 2017-02-28 | 2023-10-20 | 广西大学 | Continuous hydraulic analyzer adopting updraft method and analysis method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20161209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |