CN107116030A - The piece-rate system and separation method of solid mixture - Google Patents
The piece-rate system and separation method of solid mixture Download PDFInfo
- Publication number
- CN107116030A CN107116030A CN201610104069.8A CN201610104069A CN107116030A CN 107116030 A CN107116030 A CN 107116030A CN 201610104069 A CN201610104069 A CN 201610104069A CN 107116030 A CN107116030 A CN 107116030A
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- Prior art keywords
- mixture
- separator
- riser
- screen cloth
- piece
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- 238000000926 separation method Methods 0.000 title claims abstract description 60
- 239000008247 solid mixture Substances 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 130
- 239000002245 particle Substances 0.000 claims abstract description 101
- 239000000203 mixture Substances 0.000 claims abstract description 72
- 239000004744 fabric Substances 0.000 claims abstract description 55
- 238000012216 screening Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000005243 fluidization Methods 0.000 claims description 32
- 241000555268 Dendroides Species 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000011365 complex material Substances 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 7
- 239000007787 solid Substances 0.000 description 4
- 235000004443 Ricinus communis Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 241000486406 Trachea Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4663—Multi-layer screening surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The present invention relates to feed separation technical field, the separation method and piece-rate system of a kind of solid mixture are disclosed, wherein, the piece-rate system includes：Separator, including multiple material collection storehouses are sieved, screening separator includes the different screen cloth of multiple screen-apertures, and multiple material collection storehouses are corresponding respectively with multiple screen clothes respectively, to collect the mixture of variable grain diameter range；Winnowing separator, is connected with the material collection storehouse of at least one in multiple material collection storehouses so that the material in material collection storehouse can be sent in corresponding Winnowing separator by conveying device to be separated.The piece-rate system of the solid mixture of the present invention can be separated according to the granularity and density on mixture of solid mixture particle, pass through above-mentioned technical proposal, the separation of the mixture of complex materials can be applied to according to actual needs, based on material characteristic in itself and technique in itself, it is with strong points, the problem of solving existing single separation method inferior separating effect.
Description
Technical field
The present invention relates to feed separation technical field, in particular it relates to a kind of segregative line of solid mixture
System and separation method.
Background technology
In material handling process, it is often necessary to which solid particle mixture is separated, to reach classification again
The purpose utilized.The separation method of conventional solid particle mixture has screening, flotation, selection by winnowing etc., its
Principle mainly uses the difference of physical property such as granularity, the density between material and is separated particle.When
The density difference of compound particles is little, or the complex situations that particle size distribution partially overlaps, using existing
There are single separate mode or device to be separated often to be difficult to.
The content of the invention
It is an object of the invention to provide a kind of piece-rate system of solid mixture, the piece-rate system being capable of basis
The particle diameter and proportion of material is continuously separated to mixture in mixture.
To achieve these goals, the present invention provides a kind of piece-rate system of solid mixture, wherein, should
Piece-rate system includes screening separator and Winnowing separator, wherein,
The screening separator includes multiple material collection storehouses, and the screening separator includes multiple sieves
The different screen cloth in hole aperture, the multiple material collection storehouse is corresponding respectively with multiple screen clothes respectively, to collect
The mixture of variable grain diameter range,
The material collection storehouse of at least one in the multiple material collection storehouse connects with the Winnowing separator
Connect so that the material in the material collection storehouse can be sent to the corresponding selection by winnowing by conveying device
Separated in separator.
Preferably, the screening separator includes roller screen, and the roller screen includes N+1 material and received
Ji Cang and the N layer screen clothes for being arranged and being rotated around rotary shaft successively, the screen-aperture of the N layers of screen cloth
It is gradually reduced from the inside to the outside, the first end of the N layers of screen cloth is obliquely set higher than the second end, the N
The layer respective first end of screen cloth is mutually aligned and the length of the N layers of screen cloth gradually increases from outer layer to internal layer
Greatly, outermost screen cloth is the 1st layer, and the N+1 material collection storehouse is arranged on described with being arranged in order
The lower section of N layers of screen cloth, wherein, the side wall of i-th of material collection storehouse and i-th of screen cloth is directly opposite
The lower section of i-th of screen cloth is arranged on, and the second end of i-th layer of screen cloth is extended to and i+1 material
Collecting bin is relative, i=1,2 ..., N.
Preferably, the solid mixture that material collection storehouse described in j-th is collected into is transported to by elevator
The Winnowing separator, wherein, j=1,2 ..., N+1.
Preferably, the Winnowing separator includes hopper, riser and gas-material separator, the riser
Tube wall on be provided with charging hole and fluidisation stomata, the fluidized gas hole position in the lower section of the charging hole,
The hopper is connected by delivery pipe with the charging hole of the riser, and stream is connected with the fluidisation stomata
Change tracheae, the fluidisation tracheae is connected with the riser and can be passed through into the riser and flowed up
Fluidisation air-flow, the upper end mouth of pipe of the riser connects with the gas-material separator.
Preferably, it is provided with Starlike valve in the delivery pipe.
Preferably, the delivery pipe includes guide portion, and the guide portion dips down from the charging hole tiltedly prolongs
Extend and be provided with air-vent in the inside of the riser, the guide portion,
Loose stomata is additionally provided with the tube wall of the riser, the loose stomata is adjacent with the charging hole
Set and loose tracheae is connected with the lower section of the charging hole, the loose stomata, it is described loose
Tracheae can accordingly be passed through fluffing air flow with the air-vent in the guide portion.
Preferably, the side wall of the riser includes Part I, and the Part I is located at the charging hole
Lower section and corresponding with the guide portion, the Part I surrounds closing space with the guide portion,
The loose tracheae can be connected with the closing space.
Preferably, air flow method part is provided with the riser, the air flow method part includes multiple and institute
State and be provided with tap hole, Duo Gesuo on the branch pipe of fluidisation stomata connection, the side wall part directed downwardly of the branch pipe
Radial direction setting of the branch pipe along the riser is stated to be formed as dendroid or be formed as trave shape.
Another object of the present invention provides a kind of separation method of solid mixture, wherein, the separation
Method includes：
Step one：Initial gross separation is carried out to the mixture according to the particle diameter of each material in mixture,
So that the mixture is initially separated into multiple groups
Step 2：The mixture after initial gross separation is entered further according to the proportion of each material in the mixture of each group
One step is separated.
Preferably, screening point is carried out to the mixture using screening separator in the step one
From,
Also include in the step one：According to the particle diameter of each material in the mixture to set
The mesh size of screening separator is stated, the mixture is initially separated into multiple groups.
Preferably, one is entered to the mixture after initial gross separation using Winnowing separator in the step 2
Step separation,
Also include in the step 2：According to the proportion of each material in the mixture after initial gross separation
To set the wind speed in Winnowing separator.
The piece-rate system of the solid mixture of the present invention can be according to the granularity of solid mixture particle and close
Degree is separated to mixture, by above-mentioned technical proposal, can be applied to complicated thing according to actual needs
The separation of the mixture of material, it is based on material characteristic in itself and technique in itself, with strong points, solve existing
The problem of having single separation method inferior separating effect.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with
Following embodiment is used to explain the present invention together, but is not construed as limiting the invention.
In accompanying drawing：
Fig. 1 is the schematic diagram of piece-rate system according to the preferred embodiment of the present invention
Fig. 2 is the schematic diagram of air flow method part according to the preferred embodiment of the present invention.
Description of reference numerals
10 roller screens；11 the 1st layers of screen cloth；12 the 2nd layers of screen cloth；13 rotary shafts；14 the 1st
Material collection storehouse；15 the 2nd material collection storehouses；16 the 3rd material collection storehouses；20 elevators；
30 Winnowing separators；31 hoppers；32 risers；33 gas-material separators；34 delivery pipes；35 streams
Change tracheae；36 Starlike valves；37 guide portions；38 loose tracheaes；39 air flow method parts.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that
Embodiment described herein is merely to illustrate and explain the present invention, and is not limited to this hair
It is bright.
In the present invention, in the case where not making opposite explanation, the noun of locality used should combine specification
Described in direction and accompanying drawing in direction come suitably understand.
For the ease of more clearly illustrating the principle of technical scheme, below first to present invention offer
The separation method of solid mixture be described, and the segregative line of solid mixture provided by the present invention
System is then the concrete application to this method.
Specifically, the present invention provides a kind of separation method of solid mixture, wherein, the separation method bag
Include：
Step one：Initial gross separation is carried out to the mixture according to the particle diameter of each material in mixture,
So that the mixture is initially separated into multiple groups
Step 2：The mixture after initial gross separation is entered further according to the proportion of each material in the mixture of each group
One step is separated.
It should be noted that according to the thought of the present invention, during being separated to solid mixture,
The method separated according to particle diameter and the method separated according to proportion can be as needed and with phases
Ground sequential combination application is answered, and every kind of separation method can change the design parameter of operation and repeatedly should
With the present invention is not any limitation as to this.
Technical scheme carries out lock out operation using each material property of itself in mixture.
Specifically, mixture is tentatively divided mixture according to the particle diameter (i.e. granularity) of material first
From.For example, different materials generally has different particle size ranges, in some cases, according to granularity
Mixture can be separated by carrying out screening.But, for more situations, between different material
Particle size range generally has coincidence, such as particle first and the granularity of the mixture, wherein particle first of particle second
For 0-13mm, the particle diameter of particle second is 6mm, therefore, only mixture is carried out according to granularity preliminary
Granularity can be much smaller than the particle first of 6mm and granularity much larger than 6mm and separate by separation, and granularity
Particle first and particle second close to 6mm are then difficult to be separated according to granularity.
Preferably, screening point is carried out to the mixture using screening separator in the step one
From also including in the step one：According to the particle diameter of each material in the mixture to set
The mesh size of screening separator is stated, the mixture is initially separated into multiple groups.
That is, be able to will be mixed according to the appropriate screen cloth of the granularity selection of the material of each in mixture
Multiple groups into different-grain diameter scope of thing initial gross separation.
Then, the material that therefore can not be separated for particle diameter in same scope by particle diameter, then enter
One step is separated according to the density of material.
Preferably, Winnowing separator 30 is used in the step 2 to the mixture after initial gross separation
Further separation, also includes in the step 2：According to each thing in the mixture after initial gross separation
The proportion of material sets the wind speed in Winnowing separator.
Wherein, the principle that Winnowing separator 30 is separated to material is exactly the ratio according to material in itself
Weight, such as air-flow of horizontal pneumatic separation device is typically normal to the direction of material whereabouts, so that not year-on-year
The move distance of the material of weight in the horizontal direction is different, the horizontal range fallen behind under the larger material of proportion
It is smaller, and the horizontal range fallen behind under the less material of proportion is larger, so that not year-on-year in mixture
The material of weight can be separated from each other.Or, preferably by vertical Winnowing separator 30 in the present invention,
In vertical Winnowing separator 30, the direction of air-flow and the direction that material falls are substantially opposite, also
It is that air-flow flows to be basic along direction straight up, and the flow velocity of the air-flow is configured to so that mixed
Riser of at least one of compound material along vertical Winnowing separator 30 is moved upwards, and is mixed
Other at least one materials in thing can be under gravity along vertical Winnowing separator 30
Riser falls.
That is, can be carried out by Winnowing separator 30 according to the proportion of material to mixture
Further separation.For example with reference to example above, in the mixture of particle first and particle second,
The granularity of grain first is 0-13mm, and the particle diameter of particle second is 6mm, and the proportion of particle frame is 1100kg/m3,
The proportion of particle second is 2300kg/m3, therefore, initial gross separation energy is carried out to mixture according to granularity first
Reach granularity the particle first much smaller than 6mm and granularity much larger than 6mm to separate, incited somebody to action according to proportion
The particle first and particle second that granularity is 6mm or so are separated.
It should be noted that the synthesis for focusing on various materials separation principle of the invention thought of the present invention
With according to the self property of various materials in mixture, in the proper sequence using appropriate separation dress
Put and separating for several times is carried out to mixture, so as to finally obtain required single substance.In each of separation
In individual intermediate steps, single material might not can be directly obtained, for example, is sieved and separated according to particle diameter
The mixture that the solid particle in a certain particle size range is still many kinds of substance, but another particle diameter model are obtained afterwards
The solid particle enclosed is probably then single substance, then further according to being actually needed what initial gross separation was obtained
Mixture is carried out again according to the appropriate separation method of other attribute reselections of each material in mixture
Separation.
Wherein, the method that is separated according to particle diameter and the method that is separated according to proportion can repeatedly with
Any suitable order is applicable, such as after initial gross separation is carried out to mixture according to particle diameter, for certain
The mixture of one particle size range, then further separated from the screen cloth in other apertures.Similarly,
Can also be after initial gross separation be carried out to mixture according to proportion, for the mixing of a certain specific gravity range
Thing, then selection by winnowing separation is carried out again from the air-flow of other flow velocitys.
The separation method and piece-rate system of the solid mixture of the present invention can be according to solid mixture particles
Granularity and density on mixture separated, by above-mentioned technical proposal, can fit according to actual needs
It is based on material characteristic in itself and technique in itself, with strong points for the separation of the mixture of complex materials,
The problem of solving existing single separation method inferior separating effect.
With the detaching direction of invention discussed above solid mixture correspondingly, the present invention also provides one
The piece-rate system of solid mixture is planted, wherein, the piece-rate system includes screening separator and selection by winnowing separation
Device 30, wherein,
The screening separator includes multiple material collection storehouses, and the screening separator includes multiple sieves
The different screen cloth in hole aperture, the multiple material collection storehouse is corresponding respectively with multiple screen clothes respectively, to collect
The mixture of variable grain diameter range,
The material collection storehouse of at least one in the multiple material collection storehouse and the Winnowing separator 30
Connection so that the material in the material collection storehouse can be sent to the corresponding wind by conveying device
Select and separated in separator 30.
According to the thought of the present invention, during being separated to solid mixture, separator is sieved
Can be as needed and with correspondingly sequential combination application with Winnowing separator 30, and every kind of separation
Device can change the design parameter such as mesh size or fluidising air velocity and be applied multiple times, and the present invention is right
This is not any limitation as.
According to description above to separation method, herein to the principle and effect of the piece-rate system of the present invention not
Repeat again, below with regard to combine the piece-rate system preferred embodiment its concrete structure is retouched in detail
State.
In actual applications, screening separation first generally is carried out to mixture.Wherein, screening separator can
To select the quantity of the screen cloth in the screen cloth of corresponding screen-aperture, and the screening separator as needed
It can also set according to actual needs.The screening separator can select any suitable in the prior art
Device, such as vibratory sieve or roller screen.For vibratory sieve, the screen-aperture of screen cloth is from top to bottom
It is gradually reduced, that is to say, that the granularity of the material retained on upper screen is more than the thing retained on lower screen
The granularity of material.
After the particle of mixture is divided into multigroup mixture according to particle size range using screen cloth, each
The mixture of particle size range is all separately stored in the material collection storehouse of screening separator.It is then possible to
Mixture in some or multiple particle size ranges is further sieved, or according to material not
Further separated using Winnowing separator with proportion.
Preferably, the screening separator includes roller screen 10, and the roller screen 10 includes N+1 thing
Material collecting bin and the N layer screen clothes for being arranged and being rotated around rotary shaft 13 successively, the sieve of the N layers of screen cloth
Hole aperture is gradually reduced from the inside to the outside, and the first end of the N layers of screen cloth is obliquely set higher than the second end,
The respective first end of N layers of screen cloth be mutually aligned and the N layers of screen cloth length from outer layer to internal layer
Gradually increase, outermost screen cloth is the 1st layer, and the N+1 material collection storehouse is set with being arranged in order
In the lower section of the N layers of screen cloth, wherein, i-th of material collection storehouse and the side wall of i-th of screen cloth are direct
The lower section of i-th of screen cloth is oppositely disposed at, and the second end of i-th layer of screen cloth is extended to and i+1
Individual material collection storehouse is relative, i=1,2 ..., N.
Roller screen generally includes multiple screen clothes of the setting of corotation rotating shaft 13, the plurality of screen cloth and its common
The preferably angle between horizontal plane of rotary shaft 13 is 2-20 degree, and the first end of each screen cloth is high
Tilted in the second end.So material enters roller screen from first end and brings out material from second, therefore with the
I-th relative of material collection storehouse of i layers of screen cloth is arranged on the lower section of i-th layer of screen cloth, and i-th layer of screen cloth
The extension of second end falls into the as i+1 material collection storehouse by the particle of the sieve aperture of i-th layer of screen cloth
I material collection storehouse, and the particle of (i.e. can not be by the sieve aperture of i-th layer of screen cloth) exists on i-th layer of screen cloth
Slided under Action of Gravity Field along screen cloth to the second end and fall into i+1 material collection storehouse.That is the 1st
The particle size range for the material collected in individual material collection storehouse is minimum, then increases successively.The sieve aperture of screen cloth is excellent
Rectangle is elected as to prevent from getting stuck.
For example, for example in the mixture of particle first and particle second, it is attached that the particle diameter of particle second concentrates on d
Closely, the particle size range of particle first is wider, and d is preferred to use two in the middle of the particle size range of particle first
The roller screen of layer screen cloth, the screen size of the 1st layer of screen cloth 11 is d- (1~2) mm, the 2nd layer of screen cloth 12
Screen size be d+ (1~2) mm, therefore, particle diameter be less than d- (1~2) mm particle first fall into the 1st
Material collection storehouse 14, the particle first that particle diameter is more than d+ (1~2) mm falls into the 3rd material collection storehouse 16,
Particle diameter is more than or equal to d- (1~2) mm and particle first and the mixture of particle second less than d+ (1~2) mm
Fall into the 2nd material collection storehouse 15.
In order to by the mixing of particle size range identical particle first and particle second in the 2nd material collection storehouse 15
Thing is separated from each other, it is necessary to be carried out according to other properties of particle first and particle second in addition to particle diameter further
Lock out operation.
Preferably, the solid mixture that material collection storehouse described in j-th is collected into is defeated by elevator 20
The Winnowing separator 30 is sent to, wherein, j=1,2 ..., N+1.
Preferably, the Winnowing separator 30 includes hopper 31, riser 32 and gas-material separator
33, charging hole and fluidisation stomata are provided with the tube wall of the riser 32, the fluidized gas hole position is in institute
The lower section of charging hole is stated, the hopper 31 is connected by the charging hole of delivery pipe 34 and the riser 32
It is logical, it is connected with fluidisation tracheae 35, the fluidisation tracheae 35 and the riser 32 on the fluidisation stomata
Connect and the fluidisation air-flow flowed up can be passed through into the riser 32, the riser 32
The upper end mouth of pipe is connected with the gas-material separator 33.
In the preferred embodiment, the riser 32 is generally vertically set, and is set on riser 32
Charging hole and fluidisation stomata are put, the fluidisation stomata is arranged on the lower section of charging hole, and fluidisation tracheae 35 passes through
The fluidisation stomata to riser 32 convey fluidized gas, and the fluidized gas in riser 32 from bottom to top
Flowing.Also, the riser 32 of Winnowing separator 30 is entered by elevator from material collection storehouse
In material fallen by Action of Gravity Field, fluidized gas is entered after riser 32 from the fluidisation stomata
Flow up, the flow velocity of appropriate fluidized gas by setting, so that fluidized gas is when by the particle
The gravity of the less particle of density can be overcome and the less particle of the density is moved upwards, density is larger
Particle continue move downward under gravity so that the particle of two kinds of different densities mutually divides
From.Specifically, the flow velocity of fluidized gas is set between the minimum fluidization velocity of two kinds of particles.
Wherein, gas-material separator 33 is preferably cyclone separator, when fluidized gas is upwards from riser 32
When the upper end mouth of pipe enters the gas-material separator 33, the gas-material separator 33 can be by fluidisation air-flow
Material particles are separated.
In addition, in order to prevent fluidized gas enters particle blowback from being set in delivery pipe 34, the delivery pipe 34
It is equipped with Starlike valve 36.The Starlike valve 36 is set to one closer to riser 32 in delivery pipe 34
Side, enables to material to enter riser 32 from hopper 31 along delivery pipe 34, and material can be prevented with stream
Change gas to flow counterflow through the Starlike valve 36 and enter in hopper 31.
And it is possible to the length of the delivery pipe 34 of the top of Starlike valve 36 is set to more elongated shape,
Alternatively, it is also possible to which hopper 31 is set into the less elongated shape of cross-sectional area, so that hopper 31
Height with the material in the delivery pipe 34 of the top of Starlike valve 36 is higher, with improve material be applied to it is star-like
Pressure on valve 36, so as to improve the sealing intensity to Starlike valve 36.
Preferably, the delivery pipe 34 includes guide portion 37, and the guide portion 37 is downward from the charging hole
Extend obliquely to be provided with air-vent in the inside of the riser 32, the guide portion 37,
Loose stomata is additionally provided with the tube wall of the riser 32, the loose stomata and the charging hole
It is disposed adjacent and is connected with loose tracheae 38, institute on the lower section of the charging hole, the loose stomata
Fluffing air flow can be accordingly passed through with the air-vent in the guide portion 37 by stating loose tracheae 38.
That is guide portion 37 is provided with below charging hole, material is entering lifting from charging hole
When in pipe 32, it can be fallen along near center location of the guide portion 37 in riser 32, so that
Material can be acted on equably by fluidized gas.
Also, the aperture of the air-vent in guide portion 37 is set smaller than the minimum grain size of material particles,
So as to avoid feed blocking air-vent.Loose tracheae 38, which could be arranged to extend to through loose stomata, to be carried
In riser 32, draw in order that obtaining the fluffing air flow being passed through from the loose tracheae 38 and can fully act on
On the air-vent for leading portion 37, the loose tracheae 38 can be preferably set to the mouth of pipe towards guide portion.
Loose tracheae 38 is passed through fluffing air flow through air-vent to enter the material conveyed by guide portion 37
Row disturbance so that fully can mutually disperse between the particle of material, the fluidisation air-flow after being easy to will
It is separated.
Preferably, the side wall of the riser 32 includes Part I, and the Part I enters described in
Expect below hole and corresponding with the guide portion 37, the Part I is surrounded with the guide portion 37
Closing space, the loose stomata is arranged on the Part I, and the loose tracheae 38 can be with
The closing space is connected.
It should be noted that above-mentioned closing space can as needed and correspondingly be set, it is preferable that
The closing space is surrounded by the structure of guide portion 37 and surrounding, and loose tracheae 38 could be arranged to
The side wall for crossing the closing space is inserted into the closing space, it can also be provided that loose stomata is arranged on and carried
On the Part I of the side wall of riser 32, so loose tracheae 38 is just extended directly in the closing space.
The closing space enables to fluffing air flow to be more intensively applied on the air-vent of guide portion 37,
To ensure the flow velocity and intensity of fluffing air flow, the effect of bulk material is improved.
Preferably, air flow method part 39 is provided with the riser 32, the air flow method part 39 includes
Shunting is provided with multiple branch pipes connected with the fluidisation stomata, the side wall part directed downwardly of the branch pipe
Hole.
In order that fluidisation air-flow can equably blow particle on the whole cross section of riser 32, it is excellent
Selection of land on the cross section of riser 32 by being evenly distributed multiple branch pipes of air flow method part 39 come real
Now, and in order to avoid the particle of whereabouts the tap hole opening on the tap hole on branch pipe, the branch pipe is blocked
Set facing downward, the air-flow blown out from tap hole is after the material of the bottom of riser 32 accumulation is touched
Back up.
Another advantage that tap hole is set opening downly is to prevent from shunting hole plug.Usually used
During, it usually needs first stop the feeding into riser 32, when the material in riser 32 all divides
From the input of fluidisation air-flow is stopped after completion, so as to prevent the material in riser 32 in fluidisation air-flow
Fall under gravity after stopping and block tap hole.But, in the case where equipment is stopped in emergency,
Now fluidisation air-flow stops conveying, but material also continues to convey into riser 32, now due to dividing
Discharge orifice is set opening downly, even if will not also cause feed blocking tap hole in this case.When setting
During standby restarting, tap hole is cleared up without extra, so that it may so that device replied normal work.
Multiple branch pipes in air flow method part 39 could be arranged to any applicable structure.Preferably, it is many
Radial direction setting of the individual branch pipe along the riser 32 is formed as dendroid or is formed as trave
Shape.
For example, by the separation of particle first and the mixture of particle second, the granularity of particle first is
0-13mm, the granularity of particle second is 6m, and the mass mixing ratio of first and second is 1:5, the density of particle first
For 1100km/m3, the density of particle second is 2300kg/m3。
Piece-rate system includes roller screen and Winnowing separator 30, and the roller screen includes double-deck castor bar screen cloth,
The castor stripe pitch of 1st layer of screen cloth 11 is 5mm, and the 2nd layer of castor stripe pitch of screen cloth 12 is 7mm, therefore
Collect and received in 0-5mm particle first, the 2nd material collection storehouse 15 in 1st material collection storehouse 14
Collect in 5-7mm particle first and particle second mixture, the 3rd material collection storehouse 16 and collect 7-13mm
Particle first.Wherein, the 2nd material collection storehouse 15 is delivered to wind by bucket elevator or belt conveyer
Select separator 30.The Winnowing separator 30 uses vertical fluidisation pneumatic separation device.
Wherein, particle diameter is respectively 12m/s for 5-7mm particle first and the minimum fluidization velocity of particle second,
17m/s, therefore the flow velocity of fluidized gas is set to 13m/s, the diameter of riser 32 is set to 200mm, stream
The flow for changing gas is 1470m3/ h, air flow method part is horizontally disposed for dendritic branch including 6
Pipe, the diameter of each branch pipe is 15mm, and the aperture of the tap hole on each branch pipe is 4mm.
Fluidize a diameter of 50mm of tracheae 35.
It is further to note that in the case of pre-dispersed gas air feed is cancelled, vertical fluidisation lifter bottom
The mass fraction of the particle first contained in the material of collection is 2.3%, the thing under collecting in cyclone separator
Containing 0.5% particle second in material.Now to improve separating effect, it need to suitably increase lifting gas tolerance simultaneously
Increase riser height, so as to add operation energy consumption and device height.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited
Detail in above-mentioned embodiment, can be to the present invention in the range of the technology design of the present invention
Technical scheme carry out a variety of simple variants, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique described in above-mentioned embodiment is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, the present invention no longer separately illustrates to various possible combinations.
In addition, various embodiments of the present invention can be combined randomly, as long as its
Without prejudice to the thought of the present invention, it should equally be considered as content disclosed in this invention.
Claims (11)
1. a kind of piece-rate system of solid mixture, it is characterised in that the piece-rate system includes screening point
From device and Winnowing separator (30), wherein,
The screening separator includes multiple material collection storehouses, and the screening separator includes multiple sieves
The different screen cloth in hole aperture, the multiple material collection storehouse is corresponding respectively with multiple screen clothes respectively, to collect
The mixture of variable grain diameter range,
At least one in the multiple material collection storehouse is connected with the Winnowing separator (30), is made
The corresponding selection by winnowing separation dress can be sent to by conveying device by obtaining the material in the material collection storehouse
Put in (30) and separated.
2. piece-rate system according to claim 1, it is characterised in that the screening separator
Including roller screen (10), the roller screen (10) include N+1 material collection storehouse and be arranged successively and
The N layer screen clothes rotated around rotary shaft (13), the screen-aperture of the N layers of screen cloth is from the inside to the outside gradually
Reduce, the first end of the N layers of screen cloth is obliquely set higher than the second end, and the N layers of screen cloth is each
First end be mutually aligned and the length of the N layers of screen cloth gradually increases from outer layer to internal layer, it is outermost
Screen cloth is the 1st layer, and the N+1 material collection storehouse is arranged on the N layers of screen cloth with being arranged in order
Lower section, wherein, the side wall of i-th material collection storehouse and i-th of screen cloth be disposed directly opposite to this
The lower section of i screen cloth, and i-th layer of screen cloth the second end extend to it is relative with i+1 material collection storehouse,
I=1,2 ..., N.
3. piece-rate system according to claim 2, it is characterised in that material described in j-th is received
The solid mixture that Ji Cang is collected into is transported to the Winnowing separator (30) by elevator (20),
Wherein, j=1,2 ..., N+1.
4. piece-rate system according to claim 1, it is characterised in that the Winnowing separator
(30) hopper (31), riser (32) and gas-material separator (33), the riser (32) are included
Tube wall on be provided with charging hole and fluidisation stomata, the fluidized gas hole position in the lower section of the charging hole,
The hopper (31) is connected by delivery pipe (34) with the charging hole of the riser (32), described
Fluidisation tracheae (35), the fluidisation tracheae (35) and the riser (32) are connected with fluidisation stomata
Connect and the fluidisation air-flow flowed up, the riser (32) can be passed through into the riser (32)
The upper end mouth of pipe connected with the gas-material separator (33).
5. piece-rate system according to claim 4, it is characterised in that the delivery pipe (34)
On be provided with Starlike valve (36).
6. piece-rate system according to claim 4, it is characterised in that the delivery pipe (34)
Including guide portion (37), the guide portion (37) dips down from the charging hole tiltedly extends to described carry
Air-vent is provided with the inside of riser (32), the guide portion (37),
Loose stomata is additionally provided with the tube wall of the riser (32), the loose stomata and the charging
Hole is disposed adjacent and is connected with loose tracheae on the lower section of the charging hole, the loose stomata
(38), the loose tracheae (38) can with the air-vent in the guide portion (37) accordingly
It is passed through fluffing air flow.
7. piece-rate system according to claim 6, it is characterised in that
The side wall of the riser (32) includes Part I, and the Part I is located under the charging hole
Square and corresponding with the guide portion (37), the Part I is surrounded with the guide portion (37)
Closing space, the loose tracheae (38) can connect with the closing space.
8. piece-rate system according to claim 4, it is characterised in that the riser (32)
Air flow method part (39) is inside provided with, the air flow method part (39) includes the multiple and fluidisation stomata
Tap hole is provided with the branch pipe of connection, the side wall part directed downwardly of the branch pipe,
Radial direction of multiple branch pipes along the riser (32), which is set, is formed as dendroid or shape
As trave shape.
9. a kind of separation method of solid mixture, it is characterised in that the separation method includes：
Step one：Initial gross separation is carried out to the mixture according to the particle diameter of each material in mixture,
So that the mixture is initially separated into multiple groups
Step 2：The mixture after initial gross separation is entered further according to the proportion of each material in the mixture of each group
One step is separated.
10. separation method according to claim 9, it is characterised in that adopted in the step one
Screening separation is carried out to the mixture with screening separator,
Also include in the step one：According to the particle diameter of each material in the mixture to set
The mesh size of screening separator is stated, the mixture is initially separated into multiple groups.
11. separation method according to claim 9, it is characterised in that adopted in the step 2
The mixture after initial gross separation is further separated with Winnowing separator,
Also include in the step 2：According to the proportion of each material in the mixture after initial gross separation
To set the wind speed in Winnowing separator.
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| CN201610104069.8A CN107116030A (en) | 2016-02-25 | 2016-02-25 | The piece-rate system and separation method of solid mixture |
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| CN201610104069.8A CN107116030A (en) | 2016-02-25 | 2016-02-25 | The piece-rate system and separation method of solid mixture |
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| CN201610104069.8A Pending CN107116030A (en) | 2016-02-25 | 2016-02-25 | The piece-rate system and separation method of solid mixture |
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| CN108654855A (en) * | 2018-04-16 | 2018-10-16 | 广州大学 | A kind of recovery method of waste and old lithium ion battery |
| CN110142207A (en) * | 2019-05-14 | 2019-08-20 | 上海理工大学 | Smart pill sorting equipment and method for sorting |
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Application publication date: 20170901 |