CN206168563U - Solid fluidized bed sorter of liquid - Google Patents
Solid fluidized bed sorter of liquid Download PDFInfo
- Publication number
- CN206168563U CN206168563U CN201621155822.8U CN201621155822U CN206168563U CN 206168563 U CN206168563 U CN 206168563U CN 201621155822 U CN201621155822 U CN 201621155822U CN 206168563 U CN206168563 U CN 206168563U
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- China
- Prior art keywords
- staving
- sorting
- liquid
- fluid bed
- separation machine
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- 239000007787 solid Substances 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 title abstract 3
- 239000012530 fluid Substances 0.000 claims abstract description 47
- 238000002604 ultrasonography Methods 0.000 claims description 46
- 239000000523 sample Substances 0.000 claims description 33
- 238000000926 separation method Methods 0.000 claims description 31
- 230000000630 rising effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 38
- 239000008187 granular material Substances 0.000 abstract description 9
- 239000003245 coal Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- 230000005484 gravity Effects 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 4
- 230000009514 concussion Effects 0.000 description 3
- 238000005188 flotation Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The utility model provides a solid fluidized bed sorter of liquid relates to a material sorting unit, and aim at provides the machinery that can reduce between low -density material and the thin granule of high density and mixes, improves the device of overflow product quality and sorting precision. The utility model relates to a solid fluidized bed sorter of liquid, a serial communication port, include: select separately staving, ultrasonic transducer and fluid distribution ware, the top of selecting separately the staving is provided with overflow mouth and dog -house, the fluid distribution ware with ultrasonic transducer set up respectively in in the sorting staving, the fluid distribution ware is used for providing select separately the rivers that rise in the staving.
Description
Technical field
This utility model is related to a kind of coal selector, and in particular to a kind of liquid-solid fluid bed separation machine.
Background technology
No matter the dividing of selected front desliming or the gravity treatment of No severing mud coal preparation technique with flotation in combination with, gravity treatment and flotation is adopted
Size limit is selected it is generally acknowledged that 0.5mm.But in actual assorting room, both method for separating are to granularity between gravity treatment and flotation
The sorting of the coarse slime (according to GB GB/T7186-2008, referring generally to 2-0.25mm coal grains) effectively near sorting size limit
Effect is undesirable.Traditional treatment method is typically individually reclaimed using high-frequency screen, its ash between cleaned coal and middle coal, typically
2-5% higher than cleans ash, most coal preparation plants are mixed comprehensive cleaned coal, cause gravity treatment and floatation clean coal to be coarse slime " back of the body ash
Point ".Development and the demand of society with the epoch, current coal market requires coal product quality increasingly harshness, and coal
Charcoal is non-renewable resources, therefore in recent years part coal preparation plant individually sorts to coarse slime, i.e. coarse slime separating process.Mesh
Before, main separation of coarse slime equipment includes：Minor diameter dense medium cyclone, spiral and liquid-solid fluid bed separation machine.Its
In, minor diameter dense medium cyclone is too thin to medium granularity requirements, and medium is prepared and reclaims difficult, and high cost；Secondly, to pan feeding
It is required that pressure is high, equipment attrition is serious, and power consumption is big.The separating density of spiral is high and non-adjustable, and cleaned coal can not reach
To final desired cleans ash；And separate unit treating capacity is little, multiple stage is needed to use cooperatively, floor space is big, height is big, while
Needs are sized mixing and distributor, and distributing uniformity is difficult to control to；Furthermore feed thickness is required strictly, to be difficult to control in commercial production
System.However, liquid-solid fluid bed separation machine is because having separating density low and controllable, feed thickness is less demanding, power consumption
The advantage such as little, becomes at present effectively one of equipment of fine coal.
Liquid-solid fluid bed separation machine makes coal slime fluidization by the use of ascending current and coal slime itself is formed as medium and had
The sorting bed of certain density, coal slime realizes sorting in assorting room essentially according to the hindered falling speed difference of granule.
The granularity main by granule of hindered falling speed of grain, density characteristics are affected.Therefore, when liquid-solid fluid bed separation machine sorts narrow grain
During level material, the hindered falling speed of granule is mainly sorted so as to realize material by Effects of Density by grain density, and sorts essence
Degree is high；But when the wide grade material of its sorting, hindered falling speed is big by the particle size influences of granule, material can not be in strict accordance with
Density separation, sharpness of separation is reduced.But in actual assorting room, due to the classification efficiency of classifying equipoment it is not high, it is actual
Sorting particle size range usually is out the granularity requirements of liquid-solid fluid bed separation machine, causes high density fine grained to enter pollution load of overflow essence
Coal, low-density coarse granule becomes tail coal into underflow, and so as to cleans ash is high, clean coal recovery is low, and sharpness of separation is low, sorting effect
It is really poor.
Utility model content
The technical problems to be solved in the utility model is to provide one kind and can reduce case of low density loads and high density fine grained
Between mechanical admixture, improve the liquid-solid fluid bed separation machine of overflow product quality and sharpness of separation.
A kind of liquid-solid fluid bed separation machine of this utility model, it is characterised in that include：Sorting staving, ultrasound probe and
Fluid distributor；
The top of the sorting staving is provided with overfall and dog-house；
The fluid distributor and the ultrasound probe are respectively arranged in the sorting staving；The fluid distributor
For providing the current for rising to the sorting staving.
Preferably, the ultrasound probe being radially arranged along the sorting staving.
Preferably, length of the ultrasound probe in the sorting staving is the 0.25-1 of the sorting staving diameter
Times.
Preferably, the quantity of the ultrasound probe is multiple, and multiple ultrasound probes are along the sorting staving
Axis direction spacing is arranged.
Preferably, the spacing of the adjacent ultrasound probe of any two is 5-30cm.
Preferably, the spacing of the adjacent ultrasound probe of any two is 10-20cm.
Preferably, also include：Control valve, on-line densimeter and controller；
It is described control valve be installed on it is described sorting staving bottom, and with it is described sorting staving intracavity inter-connection；
The on-line densimeter is arranged in the sorting staving；The signal output part of the on-line densimeter and the control
The signal input part of device processed is connected；The controller can control the keying of the control valve.
Preferably, the bottom of the sorting staving is funnel-form.
Preferably, also include：Tripper；The tripper is arranged at the underface of the dog-house in reverse tapered shape.
Liquid-solid fluid bed separation machine provided by the utility model is promoted by the local oscillation effect in the ultrasound wave field of force
Sorted material is dispersed in sorting staving, and the machinery reduced between case of low density loads and high density fine grained is mixed
It is miscellaneous, and the agglomerate formed between granule can be effectively broken up, while improving liquid-solid fluid bed separation precision, effectively reduce highly dense
Degree fine grained improves the quality of overflow product by pollution of the mechanical admixture to liquid-solid fluid bed overflow case of low density loads.
Description of the drawings
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described.In all of the figs, it is similar
Element or part are typically identified by similar reference.In accompanying drawing, each element or part might not be according to actual ratios
Draw.
Fig. 1 is a kind of structural representation of liquid-solid fluid bed separation machine of this utility model.
Reference：
1- sorts staving
11- overfalls
12- dog-houses
2- fluid distributors
3- ultrasound probes
4- on-line densimeters
5- controllers
6- controls valve
7- collecting tanks
Specific embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality can not be limited with this
New protection domain.
As shown in figure 1, as a kind of specific embodiment, liquid-solid fluid bed separation machine bag provided by the utility model
Include：Sorting staving 1, fluid distributor 2 and ultrasound probe 3.The top of sorting staving 1 is provided with overfall 11 and dog-house
12.Overfall 11 is used for the spilling of case of low density loads, wherein in order to collect the material flowed out from overfall 11, this utility model is also
In the lateral wall of sorting staving 1, collecting tank 7 is set；Dog-house 12 is used to throw in material to be sorted into sorting staving 1, in order to
Ensure the uniformity that material is thrown in, this utility model also introduces tripper 6, and tripper 6 is arranged at dog-house in reverse tapered shape
12 underface, before material enters the sorting inner chamber of staving 1 from dispensing port 12, tripper 6 can be by material uniformly to surrounding point
Dissipate, and then material is evenly distributed in sorting staving 1.Fluid distributor 2 and ultrasound probe 3 are respectively arranged at sorting bucket
In body 1；Fluid distributor 2 is used to provide the current for rising to sorting staving 1, in order to realize that the effect specifically can be by fluid point
Cloth device 2 is arranged at the bottom or the position near bottom of sorting staving 1.Ultrasound probe 3 is used to provide the ultrasound wave field of force, with right
Material in sorting staving 1 forms concussion.It is along the axis direction of cylinder in assorting room in view of each material particles
Rise or decline, therefore in order to reach the optimal concussion to material particles and dispersion effect, the ultrasound wave in this utility model is visited
3 should be arranged with the direction vertical with the material particles direction of motion, and in other words ultrasound probe 3 should be along sorting staving 1
Radial direction arrange.
Because the ultrasound wave field of force covering radius produced by ultrasound probe 3 is limited, therefore in order to ensure to sort bucket
Can be covered by the ultrasound wave field of force everywhere in body 1, should be taken measures respectively in the circumferential and axial of sorting staving 1 respectively,
Feasible scheme at least includes：
In the circumferential：It is multiple as axis annular array with the axis for sorting staving 1 at the sustained height of sorting staving 1
Ultrasound probe 3 so that the ultrasound wave field of force of multiple ultrasound probes 3 covers the cross section of sorting staving；Or in sorting bucket
One ultrasound probe is only set at the sustained height of body 1, but be experiments verify that only when ultrasound probe 3 is in sorting staving 1
Length when being to sort 0.25-1 times of staving diameter, the effect that sorting staving 1 cross section street is completely covered can be reached.
In the axial direction：Along axial direction (i.e. at the differing heights of the sorting staving) spacing (preferably equidistantly) of sorting staving 1
Multiple ultrasound probes 3 are set.Experiment proves that, when by the line space design of the adjacent ultrasound probe 3 of any two be 5-
During 30cm, ensure that the ultrasound wave field of force of the plurality of ultrasound probe 3 generation axially arranged along sorting staving 1 in axle substantially
Each position of sorting staving is covered upwards；And it is 10-20cm to work as the line space design of the adjacent ultrasound probe 3 of any two
When, then the ultrasound wave field of force produced by the adjacent ultrasound probe 3 of any two is just non-overlapping or overlaps less, i.e. ultrasound
Wave power field being evenly distributed on sorting staving 1 axial direction, and then cause to be located at the material particles in sorting staving 1 at differing heights
It is uniform by concussion, so as to be more conducive to the carrying out of sorting task.
Liquid-solid fluid bed separation machine provided by the utility model is promoted by the local oscillation effect in the ultrasound wave field of force
Sorted material is dispersed in sorting staving 1, and the machinery reduced between case of low density loads and high density fine grained is mixed
It is miscellaneous, and the agglomerate formed between granule can be effectively broken up, while improving liquid-solid fluid bed separation precision, effectively reduce highly dense
Degree fine grained improves the quality of overflow product by pollution of the mechanical admixture to liquid-solid fluid bed overflow case of low density loads.
The method sorted using this utility model liquid-solid fluid bed separation machine, is comprised the steps：
A. the current for rising are provided to sorting staving 1 by fluid distributor 2；Start ultrasound probe 3 so that ultrasound wave
Probe 3 forms the ultrasound wave field of force in sorting staving 1；
B. material to be sorted is thrown in into sorting staving 1 by dog-house 12；
C. material forms sorting, wherein low-density under the comprehensive function of self gravitation, ascending current and the ultrasound wave field of force
Material stop forms overflow layer on the top of sorting staving 1；High density material is settled down to the bottom of sorting staving 1, forms underflow
Layer；Intermediate density material stop forms liquid-solid fluid bed layer between overflow layer and bottom flow layer.
Material is in the detailed process that sorting staving forms sorting in above-mentioned steps c：
C1. under the comprehensive function of gravity, ascending current and the ultrasound wave field of force, multiple granuloplastic agglomerate quilts in material
Break up, particle surface is cleaned, while granule also makees diffusion fortune towards the radial direction of sorting cylinder 1 in the presence of the ultrasound wave field of force
Dynamic, i.e., sorting material is evenly dispersed on sorting staving 1 cross section；
C2. the material sorted in staving is progressively moved downward, and after certain distance is moved downward, material starts by density
Size separation：
Case of low density loads is moved upwards, and on the top of sorting staving overflow layer is formed, and the material of overflow layer can be with ascending water
Stream overflows into collecting tank 7 and collects as overflow product from sorting staving top, and in addition case of low density loads is in motor process upwards
In, the ultrasound wave field of force can be cleaned to case of low density loads surface, reduce dirt of the high density fine grained to case of low density loads
Dye；The downward persistent movement of highdensity material, in the bottom of sorting cylinder bottom flow layer is formed；The material of intermediate density is then suspended in
Between overflow layer and bottom flow layer, liquid-solid fluid bed layer is formed.
In order to accurately judge that sorting process, as shown in figure 1, this utility model also includes：On-line densimeter 4, controller 5
With control valve 6.Control valve 5 be installed on sorting staving 1 bottom, and with sorting staving 1 intracavity inter-connection；On-line densimeter 4
It is arranged in sorting staving 1；The signal output part of on-line densimeter 4 is connected with the signal input part of controller 5；The energy of controller 5
The keying of enough control control valves 6.When the density that on-line densimeter 4 is detected is in threshold range, then the control of controller 5 control
Valve processed 6 is opened, so as to the bottom flow layer material for being in sorting staving 1 bottom discharges sorting staving 1 from control valve 6, and in order to improve
The bottom for sorting staving 1 is funnel-form by the expulsion efficiency of bottom flow layer material, this utility model.Threshold value belongs to empirical data, when
When sorting completely to material, the density value of the density value of overflow layer, the density value of solid fluid bed layer and bottom flow layer is respectively each layer
Corresponding threshold value, threshold value needs to obtain abundant experimental results weighted average.Threshold value is stored in controller 5, for
The density that line density meter 4 is detected is contrasted.Because the overflow layer in this utility model, solid fluid bed layer and bottom flow layer are dividing
The concrete height in staving is selected to be unpredictable, therefore the installation site to on-line densimeter 4 is not especially limited, as long as
The density that line density meter is detected is continuously in the either threshold in overflow layer threshold value, solid fluid bed layer threshold value or bottom flow layer threshold value
In the range of, then indicate that material sorting process is basic or has completed.
It should be noted that unless otherwise stated, technical term used in this application or scientific terminology should be this reality
The ordinary meaning understood with new one of ordinary skill in the art.
In the description of the present application, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of description this utility model and simplifies description, rather than indicates or imply device or the unit of indication
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying relatively important
Property or the implicit quantity for indicating indicated technical characteristic.In description of the present utility model, " multiple " are meant that two
More than, unless otherwise expressly limited specifically.
In this application, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or it is integral；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to concrete feelings
Condition understands concrete meaning of the above-mentioned term in this utility model.
In this application, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In description of the present utility model, a large amount of details are illustrated.It is to be appreciated, however, that reality of the present utility model
Applying example can put into practice in the case of without these details.In some instances, known method, knot is not been shown in detail
Structure and technology, so as not to obscure the understanding of this description.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with
Combine in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered
Row is combined and combined.
Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than it is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It still can modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent；And these are changed or are replaced, the essence for not making appropriate technical solution departs from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover in the middle of the scope of claim of the present utility model and description.
Claims (9)
1. a kind of liquid-solid fluid bed separation machine, it is characterised in that include：Sorting staving, ultrasound probe and fluid distributor；
The top of the sorting staving is provided with overfall and dog-house；
The fluid distributor and the ultrasound probe are respectively arranged in the sorting staving；The fluid distributor can
The current for rising are provided to the sorting staving.
2. a kind of liquid-solid fluid bed separation machine according to claim 1, it is characterised in that the ultrasound probe is along described
Sort being radially arranged for staving.
3. a kind of liquid-solid fluid bed separation machine according to claim 2, it is characterised in that the ultrasound probe is described
Length in sorting staving is 0.25-1 times of the sorting staving diameter.
4. a kind of liquid-solid fluid bed separation machine according to claim 1, it is characterised in that the quantity of the ultrasound probe
For multiple, and multiple ultrasound probes are arranged along the sorting staving axis direction spacing.
5. a kind of liquid-solid fluid bed separation machine according to claim 4, it is characterised in that adjacent described super of any two
The spacing of sonic probe is 5-30cm.
6. a kind of liquid-solid fluid bed separation machine according to claim 4, it is characterised in that adjacent described super of any two
The spacing of sonic probe is 10-20cm.
7. a kind of liquid-solid fluid bed separation machine according to claim 1, it is characterised in that also include：It is control valve, online close
Degree meter and controller；
It is described control valve be installed on it is described sorting staving bottom, and with it is described sorting staving intracavity inter-connection；
The on-line densimeter is arranged in the sorting staving；The signal output part of the on-line densimeter and the controller
Signal input part be connected；The controller can control the keying of the control valve.
8. a kind of liquid-solid fluid bed separation machine according to claim 7, it is characterised in that the bottom of the sorting staving is
Funnel-form.
9. a kind of liquid-solid fluid bed separation machine according to claim 1, it is characterised in that also include：Tripper；Described point
Glassware is arranged at the underface of the dog-house in reverse tapered shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621155822.8U CN206168563U (en) | 2016-10-31 | 2016-10-31 | Solid fluidized bed sorter of liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621155822.8U CN206168563U (en) | 2016-10-31 | 2016-10-31 | Solid fluidized bed sorter of liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206168563U true CN206168563U (en) | 2017-05-17 |
Family
ID=58679341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621155822.8U Expired - Fee Related CN206168563U (en) | 2016-10-31 | 2016-10-31 | Solid fluidized bed sorter of liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206168563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391292A (en) * | 2016-10-31 | 2017-02-15 | 中国矿业大学 | Liquid-solid fluidized bed sorting machine and material sorting method employing same |
-
2016
- 2016-10-31 CN CN201621155822.8U patent/CN206168563U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391292A (en) * | 2016-10-31 | 2017-02-15 | 中国矿业大学 | Liquid-solid fluidized bed sorting machine and material sorting method employing same |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20181031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |