CN106731930A - The system and method that a kind of filter-pressing coal slime cake and gravity treatment Coarse Coal are uniformly blended - Google Patents
The system and method that a kind of filter-pressing coal slime cake and gravity treatment Coarse Coal are uniformly blended Download PDFInfo
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- CN106731930A CN106731930A CN201611148270.2A CN201611148270A CN106731930A CN 106731930 A CN106731930 A CN 106731930A CN 201611148270 A CN201611148270 A CN 201611148270A CN 106731930 A CN106731930 A CN 106731930A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/60—Mixing solids with solids
- B01F23/69—Mixing systems, i.e. flow charts or diagrams; Arrangements, e.g. comprising controlling means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/30—Feeding devices ; Discharge devices
- B01D25/305—Feeding devices ; Discharge devices for discharging filtrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/80—Falling particle mixers, e.g. with repeated agitation along a vertical axis
- B01F25/90—Falling particle mixers, e.g. with repeated agitation along a vertical axis with moving or vibrating means, e.g. stirrers, for enhancing the mixing
- B01F25/901—Falling particle mixers, e.g. with repeated agitation along a vertical axis with moving or vibrating means, e.g. stirrers, for enhancing the mixing using one central conveyor or several separate conveyors, e.g. belt, screw conveyors or vibrating tables, for discharging flows from receptacles, e.g. in layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8361—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
- B01F33/83612—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by crushing or breaking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2225—Feed means
- B02C18/2266—Feed means of revolving drum type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/286—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The present invention relates to floatation clean coal and the mixed uniformly technical field of gravity treatment cleaned coal, and in particular to the system and method that a kind of filter-pressing coal slime cake and gravity treatment Coarse Coal are uniformly blended.The present invention includes following work system, and multistage pull type cake of filter-press rolls elastic link just crushing device by deadweight impact, completes preliminary broken；Material after just broken enters double-deck scrapper conveyor, and the upper strata of double-deck scrapper conveyor is used to store material, and lower floor is used for scraper plate continuative transport material；Material enters low speed disk feeder, by adjusting rotating speed and feed opening open degree, controls discharge quantity；Material is fallen on total cleaned coal belt after being crushed through cutter tooth formula double-roll crusher, in the discharge end obliquely downward of total cleaned coal belt, is disposed with three layers of squirrel-cage blender, realizes that material uniformly mixes；Stock guide is disposed with the discharge end of upper storehouse belt, plays a part of to disperse discharging point；In process layout, equipment selection and structure design rationally, material is uniformly blended the present invention, and effect is reliable and stable.
Description
Technical field
The present invention relates to floatation clean coal and the mixed uniformly technical field of gravity treatment cleaned coal, and in particular to a kind of filter-pressing coal slime cake
The system and method uniformly blended with gravity treatment Coarse Coal.
Background technology
Floatation is most important interface method for separating, is generally used for the sorting of -0.5mm coal slimes, be -0.1mm coal slimes only
One effective method for separating.Flotation effect is influenceed by many factors, such as the material composition and chemical composition, ore pulp system of mineral
Standby, System of Flotation Reagent, working condition of flotation device etc., thus floatation clean coal grey branch in certain interval fluctuation, in order to protect
The quality (ash content and moisture) of whole coal preparation plant's cleaned coal is demonstrate,proved, the need for meeting user, most of coal preparation plants are using the gravity treatment cleaned coal " back of the body
The method of ash ", that is, reduce gravity treatment essence pit ash, and the phenomenon higher to make up floatation clean coal ash content makes floatation clean coal and gravity treatment
The ash content of the mix products of cleaned coal meets user's requirement.Reclaimed because flotation concentrate foam is dehydrated using filter press mostly, press filtration
The filter cake viscosity of coal slime is big, moisture is high, generally lumps into cake and discontinuous discontinuous discharging, generally requires disintegrating apparatus and it is entered
Row is broken loose, to be uniformly mixed into gravity treatment coarse grain cleaned coal；What present coal preparation plant commonly used is coal slime breaker, as in
" the broken mixed machine of serrated knife formula product of coal and cleaned coal and coal cake crushing mixed method ", profit disclosed in state patent document CN104475211A
The coal slime lumpd is crushed loosely with the crusher members of disintegrating machine, but there is problems with, 1. the broken pine of filter-pressing coal slime cake
Dissipate not thorough, have in follow-up transportation and bond blocking phenomenon again, 2. method imperfection, filter-pressing coal slime cake is only provided
Broken loose method, and have ignored it is broken it is loose after material how with the mixed uniformly problem of gravity treatment Coarse Coal.
Therefore, those skilled in the art need a kind of significantly more efficient, perfect filter-pressing coal slime filter cake of offer badly and crush loosely,
And material and the system and method for gravity treatment Coarse Coal homogeneous blend after crushing loosely.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of significantly more efficient, perfect pressure
The system and method that filter coal slime cake and gravity treatment Coarse Coal are uniformly blended.The present invention includes two systems：Filter press filter cake is crushed
System and the uniform hybrid system of material.At the beginning of filter press filter cake crushing system includes multistage pull type filter press, rolling elastic link
Crushing device, double-deck scrapper conveyor, low speed disk feeder and cutter tooth formula double-roll crusher；Just crushing device is arranged in roll elastic link
In the feeding chute of filter press, roll elastic link by the deadweight impact of slime filter cake in discharge process and complete the broken of filter cake
It is broken, there is certain elasticity and toughness due to rolling elastic link, also by bounce after material impact to rolling elastic link
Secondary action and the collision effect of storeroom move toward one another, further promote material broken loose, and rolling elastic link itself can
Circumference rolling movement is done around affixed point, the probability that material is piled up in chute is reduced, while be provided with chute using
The breaking down shovel that transverse movement can be done above rolling elastic link of chain drive, breaking down shovel periodic reverse transverse movement is thorough
Bottom prevents the phenomenon that material is piled up in chute；Roll the material after the first crushing device of elastic link is crushed and enter double-deck scrapper conveyor,
The upper strata of double-deck scrapper conveyor be used to storing it is just broken after material, lower floor is used for scraper plate continuative transport material, and double-deck scrapper conveyor is adopted
With, filter press discontinuous is concentrated into discharge well, continuity dispersion discharging is converted into, additionally, on the upper strata of double-deck scrapper conveyor
Multiple discharging openings are offered with lower interlayer, the scraper plate of lower floor's scrapper conveyor is dropped into for material dispersion, it is to avoid the thing after just broken
Material is because moisture is high, viscosity bond again greatly it is blocking；The discharging of double-deck scrapper conveyor enters low speed disk feeder, low speed disc feeding
The working speed of machine be less than 2r/min, the feed opening of low speed disk feeder is provided with hydraulic pressure gate, for adjust disk to
The open degree of material machine feed opening, effectively controls discharge quantity；The dispersed discharging of low speed disk feeder continuity, is double cutter tooth formula
The broken coal slime of roll crusher depth refinement provides condition, and cutter tooth formula double-roll crusher includes the disk roller of move toward one another, in disk roller
On be provided with for cut cutter tooth, block coal slime effectively can be broken into fine fraction coal slime, be the equal of next step material
Even mixing offer condition.The uniform hybrid system of material includes total cleaned coal belt, three layers of squirrel-cage blender, upper storehouse belt and guide
Plate；The discharging even drop down of cutter tooth formula double-roll crusher on total cleaned coal belt of continuous running, on the upper strata of gravity treatment Coarse Coal
Form one layer of very thin coal slime；In order to allow granular coal slime and gravity treatment Coarse Coal to be sufficiently mixed, formation homogenizes product, in total essence
The discharge end obliquely downward of coal belt, is disposed with three layers of squirrel-cage blender, three layers of squirrel-cage batch mixing along the track of material movement
Device includes outer layer agitator, middle level agitator, inner radial rib and center sleeve, and outward, middle level agitator is by respective horizontal stroke
Constituted to stirring rib and circumference stirring rib, outer layer agitator and middle level agitator by inner radial rib contact it is affixed
Come, the other end of inner radial rib is fixed on center sleeve, on the one hand center sleeve prevents material under into cylinder column
" flushing " is formed directly through three layers of squirrel-cage blender during material, the internal rotating shaft for setting, rotating shaft is on the other hand protected
Rotating speed can be adjusted by reductor, reductor by motor drive, it is common in outer layer agitator, middle level agitator and center sleeve
Granular coal slime and gravity treatment Coarse Coal are well mixed under effect；Well mixed material is transported to product through upper storehouse belt transfer
Storehouse, in the discharge end of upper storehouse belt, along the direction of motion of belt, left, center, right be respectively disposed with left stock guide, middle stock guide and
Right stock guide, in the presence of stock guide, material dispersion falls into the diverse location of product storehouse, disperses the mode of discharging point to eliminate
The coal slime adhesion problem for concentrating blanking to bring, further improves blending uniformity.The present invention chooses in process system layout, equipment
With rationally, material is uniformly blended, and effect is reliable and stable in structure design.
To achieve the above object, present invention employs following technical scheme：
The system and method that a kind of filter-pressing coal slime cake and gravity treatment Coarse Coal are uniformly blended, including multistage pull type press filtration
Machine, it is characterised in that also including following part：Rolling elastic link just crushing device is disposed with the feeding chute of filter press,
Elastic link is rolled by the deadweight impact of slime filter cake in discharge process tentatively to be crushed；Material after tentatively crushing falls into
The double-deck scrapper conveyor of arranged beneath, the upper strata of double-deck scrapper conveyor is used for local material stock, and the lower floor of double-deck scrapper conveyor is used to transport；It is double
The material of layer scrapper conveyor conveying enters low speed disk feeder, and the working speed of low speed disk feeder is less than 2r/min, low
The feed opening of fast disk feeder is provided with hydraulic pressure gate, for controlling discharge quantity；The blanking of low speed disk feeder enters knife
Tooth-like double-roll crusher, cutter tooth formula double-roll crusher includes the disk roller of move toward one another, and the knife for cutting is provided with disk roller
Tooth；The discharging even drop down of cutter tooth formula double-roll crusher on total cleaned coal belt, the discharge end obliquely downward of total cleaned coal belt, along thing
Three layers of squirrel-cage blender are disposed with the track for expecting motion, for mixing to filter-pressing coal slime and gravity treatment Coarse Coal, mixing
The supreme storehouse belt in material whereabouts afterwards, in the discharge end of upper storehouse belt, along the direction of motion of belt, left, center, right are respectively disposed with
Left stock guide, middle stock guide and right stock guide, in the presence of stock guide, material dispersion falls into the diverse location of product storehouse.
Just crushing device includes rolling elastic link and for the fixed frame for rolling elastic link the rolling elastic link
Frame；The elastic link that rolls is made using the steel with certain elasticity and toughness, is rolled elastic link two ends and is fixed in frame
On frame and transverse movement can not be done along framework, but itself can move in a circle around affixed point；The both lateral sides of the framework
Guide rail is provided with above support, the breaking down shovel using chain drive can make reciprocating transverse movement on guide rail.
The upper strata of the double-deck scrapper conveyor offers multiple discharging openings with the lower interlayer of double-deck scrapper conveyor, for material dispersion
Drop on the scraper plate of scrapper conveyor.
Three layers of squirrel-cage blender includes outer layer agitator, middle level agitator, inner radial rib and center sleeve；
The outer layer agitator is made up of outermost laterally stirring rib and circumference stirring rib；The middle level agitator is by middle level
Laterally stirring rib and circumference stirring rib are constituted；The outer layer agitator and middle level agitator are solid by inner radial rib series winding
Pick up and, the other end of inner radial rib is fixed on center sleeve, rotating shaft is provided with center sleeve, rotating shaft connection is slowed down
The kinetic energy output end of machine, reductor drives by motor.
The beneficial effects of the present invention are：
The present invention process system design on rationally, effectively, whole process system include filter press filter cake crushing system and
The uniform hybrid system of material.
1st, filter press filter cake crushing system：Multistage pull type cake of filter-press is rushed in discharge process by self gravitation
Rolling elastic link is hit, in the presence of impulsive force, monoblock filter cake is broken into fritter, there is certain bullet due to rolling elastic link
Property and toughness, crush after coal slime block also be subject to a upward bounce, with whereabouts coal slime formed secondary collision effect, enter
One step promotes material broken loose, in heaps in order to prevent material from gathering materials in chute, and rolling elastic link is designed to itself can be enclosed
The form of circumference rolling movement is done around affixed point, the probability that material is piled up in chute is reduced, while being provided with chute
Using the breaking down shovel that transverse movement can be done above rolling elastic link of chain drive, breaking down shovel periodic reverse is laterally transported
It is dynamic, thoroughly prevent the phenomenon that material is piled up in chute；Preliminary to complete broken material using double-deck scrapper conveyor transport, bilayer is scraped
The advantage of trigger be upper strata be used for store just it is broken after material, lower floor be used for scraper plate continuative transport material, well by press filtration
Machine discontinuous concentrates discharge, is converted into continuity dispersion discharging, is that the work of low speed disk feeder is spatially and temporally gone up
There is provided condition, material is on the one hand avoided to be piled up in low speed disk feeder, on the other hand extension material time of delivery, for low
Fast disk feeder works there is provided precondition under the rotating speed less than 2r/min；Low speed disk feeder is in the slow-speed of revolution and low
Under feed opening open degree, load is strictly controlled, being that block coal slime depth fine fraction is broken creates good condition；From cutter tooth
Formula double-roll crusher crushes coal slime, and the cutter tooth for cutting is provided with disk roller, effectively can be broken into carefully block coal slime
Grade coal slime, for the uniform blending of next step material provides condition.
2nd, material realizes " two steps are walked " in uniform hybrid system, is first " mixing ", and fine fraction coal slime even drop down is to holding
On total cleaned coal belt that reforwarding turns, one layer of very thin coal slime is formed on the upper strata of gravity treatment Coarse Coal；Next to that " mixed ", broken in order to allow
Scattered coal slime and gravity treatment Coarse Coal is sufficiently mixed, and forms the product that homogenizes；In the discharge end obliquely downward of total cleaned coal belt, along material
Be disposed with three layers of squirrel-cage blender on the track of motion, three layers of squirrel-cage blender include outer layer agitator, middle level agitator,
Inner radial rib and center sleeve, outward, middle level agitator stirs rib by respective transverse direction and circumference stirring rib is constituted,
Outer layer agitator and middle level agitator are fixed up by inner radial rib series winding, during the other end of inner radial rib is fixed in
On heart sleeve pipe, on the one hand center sleeve prevents material in blanking process directly through three layers of squirrel-cage batch mixing into cylinder column
Device and form " flushing ", on the other hand protect the internal rotating shaft for setting, the rotating speed of rotating shaft can adjust by reductor, reductor dependence
Motor drives, and outer layer agitator, middle level agitator and center sleeve form three layers of stirring action, realize granular coal slime and weight
Coarse Coal is selected to be well mixed；Well mixed material is transported to product storehouse through upper storehouse belt transfer, in the discharge end of upper storehouse belt,
Along the direction of motion of belt, left, center, right are respectively disposed with left stock guide, middle stock guide and right stock guide, in the effect of stock guide
Under, material dispersion falls into the diverse location of product storehouse, disperses the mode of discharging point to eliminate the coal slime for concentrating blanking to bring and bonds
Problem, further improves blending uniformity.
Brief description of the drawings
Fig. 1 is equipment of the invention arrangement contact figure.
Fig. 2 is process system flow chart of the invention.
Fig. 3 is three layers of squirrel-cage blender structural front view.
Fig. 4 is three layers of squirrel-cage blender structure top view.
The implication of label symbol is as follows in figure：
A- multistage pull type filter press A1- feeding chutes B- rolls elastic link just crushing device
B1- rolls elastic link B2- framework B3- guide rail B4- breaking down shovels
The lower floor of the upper strata C2- bilayer scrapper conveyors of C- bilayer scrapper conveyor C1- bilayer scrapper conveyors
C3- discharging opening D- low speed disk feeder D1- hydraulic pressure gates
The E- cutter tooth formula double-roll crusher E1- disk roller E2- cutters tooth total cleaned coal belts of F-
Tri- layers of squirrel-cage blender G1- outer layer agitators G11- of G- laterally stir rib
G12- circumference stirring rib G2- middle levels agitator G21- laterally stirs rib
G3- inner radial rib G4- center sleeve G41- rotating shaft G42- reductors
The left right stock guides of stock guide H3- of stock guide H2- in storehouse belt H1- on G43- motors H-
I- product storehouses
Specific embodiment
For ease of understanding, here in connection with Fig. 1-4, described further below is made to specific embodiment of the invention：
Concrete composition part of the invention, is divided into two systems：Filter press filter cake crushing system and the uniform mixed stocker of material
System.Filter press filter cake crushing system include multistage pull type filter press A, roll elastic link just crushing device B, double-deck scrapper conveyor C,
Low speed disk feeder D and cutter tooth formula double-roll crusher E；The uniform hybrid system of material includes total cleaned coal belt F, three layers of squirrel-cage
Blender G, upper storehouse belt H and stock guide；It is been described by one by one below：
1st, filter press filter cake crushing system
(1), multistage pull type filter press
Flotation froth enters multistage pull type filter press A, completes dehydration, forms press filtration filter cake, the side pulled open using multistage
Formula quickly discharging material.
(2) elastic link just crushing device, is rolled
Just crushing device B is arranged in the feeding chute A1 of filter press to roll elastic link, is filtered by coal slime in discharge process
The deadweight of cake is impacted and rolls the broken of elastic link B1 completion filter cakes, due to rolling elastic link B1 with certain elastic and tough
Property, material impact is also made to after rolling elastic link B1 by the secondary action of bounce and the collision of storeroom move toward one another
With, further promote material broken loose, rolling elastic link B1 itself can do circumference rolling movement around affixed point, reduce
The probability that material is piled up in chute, at the same in chute be provided with using chain drive can be above framework B2 guide rail B3
On be the breaking down shovel B4 of transverse movement, breaking down shovel B4 periodic reverse transverse movements thoroughly prevent what material was piled up in chute
Phenomenon.
(3), double-deck scrapper conveyor
Roll the material after the first crushing device B of elastic link is crushed and enter double-deck scrapper conveyor C, the upper strata C1 of double-deck scrapper conveyor is used
Material after storage is just broken, the upper strata C2 of double-deck scrapper conveyor is used for scraper plate continuative transport material, the use of double-deck scrapper conveyor C,
Filter press discontinuous is concentrated into discharge well, continuity dispersion discharging is converted into, additionally, on the upper strata of double-deck scrapper conveyor with
Interlayer offers multiple discharging opening C3, and the scraper plate of lower floor's scrapper conveyor is dropped into for material dispersion, it is to avoid the material after just broken
Because moisture is high, viscosity bond again greatly it is blocking.
(4), low speed disk feeder
The discharging of double-deck scrapper conveyor enters low speed disk feeder D, and the working speed of low speed disk feeder is less than 2r/
Min, hydraulic pressure gate D1 is provided with the feed opening of low speed disk feeder, the unlatching for adjusting disk feeder feed opening
Degree, effectively controls discharge quantity, and being that block coal slime depth fine fraction is broken creates good condition.
(5), cutter tooth formula double-roll crusher
Cutter tooth formula double-roll crusher E includes the disk roller E1 of move toward one another, and the cutter tooth E2 for cutting is provided with disk roller,
Block coal slime effectively can be broken into fine fraction coal slime, for the uniform mixing of next step material provides condition.
2nd, the uniform hybrid system of material
(1), total cleaned coal belt
The discharging even drop down of cutter tooth formula double-roll crusher E on total cleaned coal belt F of continuous running, in gravity treatment Coarse Coal
Upper strata form one layer of very thin coal slime, complete the preliminary blending of granular coal slime Yu gravity treatment Coarse Coal.
(2), three layers of squirrel-cage blender
In order to allow granular coal slime and gravity treatment Coarse Coal to be sufficiently mixed, formation homogenizes product, in going out for total cleaned coal belt F
Material end obliquely downward, is disposed with three layers of squirrel-cage blender G along the track of material movement, and three layers of squirrel-cage blender G are including outer
Layer agitator G1, middle level agitator G2, inner radial rib G3 and center sleeve G4, outer layer agitator G1 is by outermost transverse direction
Stirring rib G11 and circumference stirring rib G12 compositions, middle level agitator G2 are stirred by the horizontal stirring rib G21 and circumference in middle level
Rib (G12) composition is mixed, outer layer agitator G1 and middle level agitator G2 is fixed up by inner radial rib G3 series windings, internal footpath
It is fixed on center sleeve G4 to the other end of rib G3, on the one hand center sleeve G4 prevents material in blanking into cylinder column
During form " flushing " directly through three layers of squirrel-cage blender G, on the other hand protect the internal rotating shaft G41 for setting, turn
The rotating speed of axle G41 can be adjusted by reductor G42, and reductor G42 drives by motor G43, be stirred in outer layer agitator G1, middle level
Granular coal slime and gravity treatment Coarse Coal are well mixed under device G2 and center sleeve G4 collective effects.
(3) storehouse belt H and stock guide on
Well mixed material through upper storehouse belt H transshipments to product storehouse I, in the discharge end of upper storehouse belt H, along belt
The direction of motion, left, center, right are respectively disposed with left stock guide H2, middle stock guide H1 and right stock guide H3, in the effect of stock guide
Under, material dispersion falls into the diverse location of product storehouse I, disperses the mode of discharging point to eliminate the coal slime for concentrating blanking to bring and bonds
Problem, further improves blending uniformity.
Claims (4)
1. the system and method that a kind of filter-pressing coal slime cake and gravity treatment Coarse Coal are uniformly blended, including multistage pull type filter press
(A), it is characterised in that also including following part：Rolling elastic link is disposed with the feeding chute (A1) of filter press just broken
Device (B), rolls elastic link (B1) and is tentatively crushed by the deadweight impact of slime filter cake in discharge process；It is preliminary broken
Material afterwards falls into the double-deck scrapper conveyor (C) of arranged beneath, and the upper strata (C1) of double-deck scrapper conveyor is used for local material stock, double-deck scraper plate
The lower floor (C2) of machine is used to transport；The material of double-deck scrapper conveyor (C) conveying enters low speed disk feeder (D), and low speed disk is given
The working speed of material machine (D) is less than 2r/min, and the feed opening of low speed disk feeder (D) is provided with hydraulic pressure gate (D1), uses
In control discharge quantity；The blanking of low speed disk feeder (D) enters cutter tooth formula double-roll crusher (E), cutter tooth formula double-roll crusher
(E) disk roller (E1) including move toward one another, is provided with the cutter tooth (E2) for cutting on disk roller (E1)；Cutter tooth formula double roller is crushed
The discharging even drop down of machine (E) on total cleaned coal belt (F), the discharge end obliquely downward of total cleaned coal belt (F), along material movement
Three layers of squirrel-cage blender (G) are disposed with track, for mixing to filter-pressing coal slime and gravity treatment Coarse Coal, mixed thing
The supreme storehouse belt (H) in material whereabouts, in the discharge end of upper storehouse belt (H), along the direction of motion of belt, left, center, right are respectively disposed with
Left stock guide (H2), middle stock guide (H1) and right stock guide (H3), in the presence of stock guide, material dispersion falls into product storehouse
(I) diverse location.
2. the system and method that a kind of filter-pressing coal slime cake according to claim 1 and gravity treatment Coarse Coal are uniformly blended, its
It is characterised by：Just crushing device (B) includes rolling elastic link (B1) and rolls elasticity for fixed the rolling elastic link
The framework (B2) of connecting rod (B1)；The elastic link (B1) that rolls is made using the steel with certain elasticity and toughness, is rolled
Elastic link (B1) two ends are fixed on framework (B2) and can not do transverse movement along framework (B2), but itself can be around affixed
Point moves in a circle；Guide rail (B3) is provided with above the both lateral sides support of the framework (B2), chain drive is used
Breaking down shovel (B4) can make reciprocating transverse movement on guide rail.
3. the system and method that a kind of filter-pressing coal slime cake according to claim 1 and gravity treatment Coarse Coal are uniformly blended, its
It is characterised by：Multiple discharging openings are offered between the lower floor (C2) of the upper strata (C1) of the double-deck scrapper conveyor and double-deck scrapper conveyor
(C3) scraper plate of scrapper conveyor, is dropped into for material dispersion.
4. the system and method that a kind of filter-pressing coal slime cake according to claim 1 and gravity treatment Coarse Coal are uniformly blended, its
It is characterised by：Three layers of squirrel-cage blender (G) includes outer layer agitator (G1), middle level agitator (G2), inner radial muscle
Bar (G3) and center sleeve (G4)；The outer layer agitator (G1) laterally stirs rib (G11) and circumference stirring by outermost
Rib (G12) is constituted；The middle level agitator (G2) stirs rib (G12) by horizontal stirring rib (G21) in middle level and circumference
Composition；The outer layer agitator (G1) and middle level agitator (G2) are fixed up by inner radial rib (G3) series winding, internal footpath
It is fixed on center sleeve (G4) to the other end of rib (G3), rotating shaft (G41), rotating shaft is provided with center sleeve (G4)
(G41) the kinetic energy output end of connection reductor (G42), reductor (G42) drives by motor (G43).
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| CN201611148270.2A CN106731930B (en) | 2016-12-13 | 2016-12-13 | System and method for uniformly blending filter-pressed coal slime cakes and gravity coarse-grain coal |
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|---|---|---|---|
| CN201611148270.2A CN106731930B (en) | 2016-12-13 | 2016-12-13 | System and method for uniformly blending filter-pressed coal slime cakes and gravity coarse-grain coal |
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| Publication Number | Publication Date |
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| CN106731930A true CN106731930A (en) | 2017-05-31 |
| CN106731930B CN106731930B (en) | 2023-10-03 |
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