CN107282257A - A kind of multi-stage screening mechanism - Google Patents
A kind of multi-stage screening mechanism Download PDFInfo
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- CN107282257A CN107282257A CN201710531230.4A CN201710531230A CN107282257A CN 107282257 A CN107282257 A CN 107282257A CN 201710531230 A CN201710531230 A CN 201710531230A CN 107282257 A CN107282257 A CN 107282257A
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- 238000012216 screening Methods 0.000 title claims abstract description 65
- 230000007246 mechanism Effects 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 118
- 239000002245 particle Substances 0.000 claims abstract description 39
- 239000004744 fabric Substances 0.000 claims description 20
- 238000005119 centrifugation Methods 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000013467 fragmentation Methods 0.000 abstract description 7
- 238000006062 fragmentation reaction Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000004576 sand Substances 0.000 description 14
- 239000000843 powder Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000032258 transport Effects 0.000 description 6
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000004035 construction material Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The present invention relates to material crushing technology field, and in particular to a kind of multi-stage screening mechanism, including：The first broken unit of chopped-off head and the unit in small, broken bits for being arranged at first broken unit downstream, just broken unit and the unit in small, broken bits, which include one, to be used to the material screening of predetermined particle diameter, without the screening structure crushed in the unit.Current fragmentation cell can be screened out in time the invention provides a kind of material for being crushed to predetermined particle diameter not continuing to crush, it is to avoid crushing phenomenon is crossed, to reduce the multi-stage screening mechanism of processing capacity.
Description
Technical field
The present invention relates to material crushing technology field, and in particular to a kind of multi-stage screening mechanism.
Background technology
Existing crushing material processing technology is mostly relatively coarse, mainly simple by crushing, screening step by thing
The broken rear concentrated loads of feed powder.Because crushing process is too coarse, cause many construction material sizes unqualified, the building built
Thing is weaker in terms of crushing resistance.In order to solve the above-mentioned technical problem, Chinese patent literature CN104923374A discloses one kind and built
Build and crush production technology with the refinement of fine sand multi-level oil, including：Block sandstone passed sequentially through at the coarse crushing of one-level screen house, in it is broken
Place and place in small, broken bits；The fine sand exported from small, broken bits is by screening, and the sand grains that diameter is less than 40mm is delivered to two grades of screen houses, directly
Sand grains of the footpath more than 40mm is back at one-level screen house hopper to be crushed again；The sand grains that diameter is less than 40mm is distinguished in batches
At attritioning by two grades of screen houses, at shaping and select simultaneously at powder, obtain the fine sand grain that diameter is less than 5mm；At attritioning
The fine sand of output is by screening, and fine sand grain of the diameter less than 5mm is delivered to select and carries out selecting powder at powder, and diameter is more than the thin of 5mm
Sand particle is delivered at attritioning and crushed again；The fine sand exported at shaping is delivered to select and carries out selecting powder at powder, selects diameter after powder small
Powder cabin is delivered in 0.05mm fine sand grains；Select the fine sand left after being sieved at powder to be washed in two grades of screen houses, wash
It is dehydrated afterwards, finally enters finished product stock ground.Although being crushed step by step using above-mentioned production technology can obtain meeting construction material
It is required that fine sand grain, but be due to that fine sand grain has carried out further crushing in each step, i.e., often by once
Crush, material particular diameter accordingly reduces once, and the difference of the initial particle due to material in itself, partial material may be not required to carry out
Crushing has just met Particle size requirements, and partial material can also meet particle diameter demand by once crushing, so may result in and accord with
The material for closing Particle size requirements generated crushing during crushing step by step, on the one hand caused the waste of material, the opposing party
Face adds unnecessary processing capacity.
In addition, the technical scheme of above-mentioned patent document include at the coarse crushing of one-level screen house, in broken place and place in small, broken bits,
At the attritioning of two grades of screen houses, at shaping and select at powder, powder cabin and finished product stock ground, the i.e. breaker by some equipment according to
Secondary connection composition, these equipment cause the overall architecture of a production line complicated and huge, needed each when factory building is moved
Equipment is dismantled transported respectively, transports it into behind destination again by individual device with former order assembly and connection, dismounting one by one
Inconvenience and Expenses Cost.In order to the equipment conveying cost for solving large-scale production line it is higher the problem of, Chinese patent literature
CN102554714A discloses a kind of Combined production line, if including the dry container unit of detachable connection, each counter list
Member includes casing and the equipment for being contained in the casing, and each counter unit is used to realize independent process.When the combination production
When line needs resettlement, each counter unit can be separated and be transported in units of counter unit, transporting to after destination will be each
Counter unit is connected respectively, convenient transport and quick assembling.But the patent document discloses a kind of continuous productive process formula
Production line, i.e., the product on production line, which must sequentially pass through each process, could complete all manufacturing procedures, among these simultaneously
It is not related to product midway from system the problem of separated transmission, therefore conveyer belt just turns into the essential knob of each process of connection
Band, and conveyer belt is respectively positioned in same level, the conveyer belt of two neighboring process joins end to end to form ring-type, to facilitate it
Half product of top is transmitted to a process successively.Due to the difference of product facility structure, CN102554714A product is water
Flat input and output material, CN104923374A is then upper endfeed, lower end discharges, and the conveyer belt of two neighboring equipment can not possibly phase end to end
Even, but in the horizontal and vertical direction on have overlapping part.Therefore those skilled in the art be difficult to will be public in CN102554714A
The problem of technical scheme opened is applied in CN104923374A to solve equipment dismounting inconvenience, cost of transportation is high.Even if ability
The technical staff in domain can think to solve the problem of dismounting of each equipment in transport is inconvenient in material multi crushing production
It is detachably connected, but is realized especially by which kind of mode to by two neighboring equipment, while it is then this not increase equipment cost
An art personnel technical problem urgently to be resolved hurrily.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome material of the prior art after predetermined particle diameter is crushed to
It can not in time discharge, cause crushing, add the defect of unnecessary processing capacity, so that providing one kind is crushed to predetermined particle diameter
Material can screen out current fragmentation cell in time and do not continue to crush, it is to avoid crushing phenomenon is crossed, to reduce many of processing capacity
Level screening mechanism.
The invention solves the problems that another technical problem be existing equipment for pulverizing material be connected with each other, it is not easy to assemble,
Cost of transportation is thereby resulted in higher, so that providing each a kind of part is easy to dismounting, the relatively low multi-stage screening of cost of transportation
Mechanism.
In order to solve the above-mentioned technical problem, the invention provides a kind of multi-stage screening mechanism, including：
The first broken unit of chopped-off head and the unit in small, broken bits for being arranged at first broken unit downstream,
Characterized in that,
Just broken unit and the unit in small, broken bits, which include one, to be used to the material screening of predetermined particle diameter, without at this
The broken screening structure of unit.
Described multi-stage screening mechanism, the just broken unit is jaw crusher；The unit in small, broken bits has to be crushed respectively
Several gyratory crushers of different-grain diameter material.
Described multi-stage screening mechanism, the gyratory crusher is two, above each cone crusher machine inlet
Be provided with altogether one be used for by receive it is broken after material size separation carried out in the presence of control device and be distributed to phase
Exocentric structure in the gyratory crusher answered.
Described multi-stage screening mechanism, the exocentric structure includes a centrifugation cover for being arranged on rotation, the centrifugation cover
Middle part there is bolter；It is provided with below the centrifugation cover and receives and convey the predetermined particle diameter screened out by the bolter
Material material conveying passage；And it is arranged on the cylinder of the centrifugation cover side for a pair, the outlet of the cylinder is extended to
At the charging aperture of the gyratory crusher.
Described multi-stage screening mechanism, in addition to it is arranged on the finished product separative element of most downstream.
Described multi-stage screening mechanism, the finished product separative element is four layers set with entirety from top to bottom or split
The material separator of screen cloth, the particle diameter of four layers of screen cloth differs, and one end of each layer of screen cloth is provided with finished product materials and gone out
Mouthful.
Described multi-stage screening mechanism, four layers of screen cloth is parallel or inclined to be set.
Described multi-stage screening mechanism, the exit of every layer of screen cloth is provided with finished product materials conveyer belt.
Connected between described multi-stage screening mechanism, each unit by conveyer belt；The different-grain diameter of each unit output
Material is mixed on the same conveyer belt and is transported to downstream.
Described multi-stage screening mechanism, the finished product separative element, which has, eliminates material outlet, is separated in the finished product single
First material for being used for eliminating out the superseded material outlet that is provided between the unit in small, broken bits is transmitted back to the unit in small, broken bits
Loop Seal.
Described multi-stage screening mechanism, the discharge end of the Loop Seal, which is transported material in the unit in small, broken bits, to be crushed
The charging aperture of the gyratory crusher of small particle material.
Described multi-stage screening mechanism, the Loop Seal is conveyer belt.
Described multi-stage screening mechanism, each described unit is respectively disposed at least in a casing, between each casing
By the way that conveyer belt is detachable or foldable connection.
It is additionally provided between described multi-stage screening mechanism, the adjacent casing for driving the flexible of the bin movement
Mechanism.
Described multi-stage screening mechanism, each bottom half is also equipped with least one runner.
A carrying platform is installed above described multi-stage screening mechanism, the just casing of broken unit, the carrying is put down
Platform is detachably connected with the casing.
Technical solution of the present invention, has the following advantages that：
1. the multi-stage screening mechanism that the present invention is provided, first broken unit and unit in small, broken bits, which include one, to be used for predetermined particle diameter
Material screening goes out, and without the screening structure crushed in the unit, is so entered step by step by first broken unit and unit in small, broken bits in material
During row graded crushing, the material of big particle diameter is reduced to the material of predetermined particle diameter step by step, is crushed so as to reduce every one-level
The burden and workload of unit；The material of Particle size requirements has been met before every one-level is broken simultaneously then directly by sieving structure
This grade of fragmentation cell is screened out, the level is no longer carried out and crushes, effectively prevent crushing phenomenon, and reduced unnecessary processing
Amount.
2. the multi-stage screening mechanism that the present invention is provided, first broken unit is jaw crusher；Unit in small, broken bits has to be crushed respectively
Several gyratory crushers of different-grain diameter material, the material of different-grain diameter sequentially pass through above-mentioned fragmentation cell optionally carry out by
Level is broken, material is applied into different crushing forces according to the difference of particle diameter crush, not only the first broken unit of reasonable distribution with
The fragmentation power of unit in small, broken bits, reduces the workload of every one-level fragmentation cell, also make it that material particular diameter is uniform, crushing effect
It is good.
3. the multi-stage screening mechanism that the present invention is provided, be provided with altogether above two cone crusher machine inlets one be used for will
Receive it is broken after material size separation is carried out in the presence of control device and is distributed in corresponding gyratory crusher
Exocentric structure, so that first pass around and carried out again after the initial gross separation of exocentric structure from the material after jaw crushing crusher machine
Second-time breakage, on the one hand causes the material for meeting this grade of Particle size requirements to be directly delivered to by the material conveying passage of exocentric structure
On the conveyer belt of lower section, crushing was reduced, and then reduces the crushing of this grade of unit in small, broken bits, grain is on the other hand further avoid
The material that footpath differs larger enters after same gyratory crusher simultaneously, under equal broken extruding force, the less thing of particle diameter
Material is by the phenomenon of overcrushing.
4. the multi-stage screening mechanism that the present invention is provided, in addition to it is arranged on the finished product separative element of most downstream, finished product separation
Unit, which has, eliminates material outlet, and being provided between finished product separative element and unit in small, broken bits is used to eliminate out superseded material outlet
Material be transmitted back to the Loop Seal of unit in small, broken bits, so that after being separated through material separator it is superseded go out material return again
Return in gyratory crusher and further crush, until meeting demand, the circulation for realizing material is crushed, and reduces the waste of material
With transport amount, operating efficiency is improved.
5. the multi-stage screening mechanism that the present invention is provided, unit is respectively disposed at least in a casing, between each casing
By the way that conveyer belt is detachable or foldable connection, so just unit can individually be taken apart in transport, be easy to handling, drop
Low cost of transportation；Unit is reduced into material in process respectively disposed at least in the casing of a closing simultaneously
The discharge of airborne dust outwardly environment, avoids dust pollution as far as possible.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of the multi-stage screening mechanism of the present invention；
Fig. 2 is the schematic diagram of the jaw crusher of the present invention；
Fig. 3 is the schematic diagram of the gyratory crusher of the present invention；
Fig. 4 is the schematic diagram of the material separator of the present invention；
Fig. 5 is Fig. 1 top view.
Description of reference numerals：
1- jaw crushers；2- gyratory crushers；3- exocentric structures；4- conveyer belts；5- material separators；6- finished product materials
Conveyer belt；7- Loop Seals；11- screen assemblies；31- centrifugation covers；32- material conveying passages；33- cylinders；51- screen clothes；
311- bolters.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can just be combined with each other into conflict.
A kind of embodiment of multi-stage screening mechanism as shown in Fig. 1~5, including the first broken unit of chopped-off head and setting
Unit in small, broken bits in first broken unit downstream, the just broken unit is a jaw crusher 1, and the unit in small, broken bits has to be broken respectively
Two gyratory crushers 2 of broken different-grain diameter material.Jaw crusher 1 and two gyratory crushers 2, which include one, to be used in advance
The material screening for determining particle diameter goes out, without the screening structure crushed in the unit.Jaw crusher 1 and two gyratory crushers 2
The aperture of screening structure can be set according to the actual requirements, and the Sieving and casing of the screening structure of general setting jaw crusher 1 is big
In the Sieving and casing of two gyratory crushers 2, crushed step by step with realizing.The screening structure of jaw crusher 1 is broken to be molded over
The screen assemblies 11 for offering multiple holes at chamber feeding mouth, will need not be crushed with regard to that can meet jaw crusher in material
The small particle material of 1 broken requirement directly screens out the unit, reduces crushing.
Be provided with altogether above two charging apertures of gyratory crusher 2 one be used for by receive it is broken after material exist
Size separation and the exocentric structure 3 being distributed in the corresponding gyratory crusher 2 are carried out in the presence of control device.Centrifugation knot
Structure 3 is arranged on the top of two gyratory crushers 2 simultaneously, before the separation of the material progress particle size after crushing is met
Put, reduce the quantity of equipment, reduce cost.Under the influence of centrifugal force, the different material of particle diameter is while rotation
Separated, be easy to the later stage to apply different crushing forces and crushed.The exocentric structure 3 include one be arranged on rotation from
Heart cover 31, centrifugation cover 31 is the tube structure of a upper end open, and the middle part of the centrifugation cover 31 has bolter 311, the separation
Sieve 311 is the hole that several predefined sizes are offered on the screening structure of gyratory crusher, bolter 311, broken through jaw
The gyratory crusher 2 that meets after broken machine 1 is broken crushes the material diameter of particle diameter and screened out by bolter 311；In the centrifugation
The lower section of cover 31 is provided with the material conveying passage for the material for receiving and conveying the predetermined particle diameter screened out by the bolter 311
32, material conveying passage 32 is extended on the conveyer belt 4 of lower section from the lower section of bolter 311；And be arranged on for a pair it is described from
The cylinder 33 of the side of heart cover 31, the outlet of the cylinder 33 is extended at the charging aperture of the gyratory crusher 2, by difference
The material of particle size is delivered in two gyratory crushers 2 respectively.The main shaft upper end of each gyratory crusher 2 is to remote
The direction of material conveying passage 32 is obliquely installed, and the crusher chamber of gyratory crusher 2 is divided into away from material conveying passage 32
Big crusher chamber and small crusher chamber two parts close to material conveying passage 32, the material of different-grain diameter are further discriminated between, and point
Do not send into different size of crusher chamber and crushed accordingly, it is ensured that the broken uniformity of material.
Also include the finished product separative element for being arranged on most downstream, as illustrated in fig. 1 and 2, jaw crusher 1, First circular cone
Disintegrating machine 2, second gyratory crusher 2 and finished product separative element are from left to right sequentially connected.The finished product separative element is tool
There is the material separator 5 of overall four layers of screen cloth 51 be arrangeding in parallel from top to bottom, the particle diameter of four layers of screen cloth 51 differs, and often
One end of one layer of screen cloth 51 is provided with finished product materials outlet and finished product materials conveyer belt 6, as shown in Figures 1 to 3, should by meeting
The material of the layer particle diameter of screen cloth 51 is sent out in time by finished product materials conveyer belt 6, it is to avoid solid accumulation.Certainly, the number of plies of screen cloth 51
It can also increase or decrease according to the actual requirements.The particle diameter of four layers of screen cloth 51 is sequentially reduced from top to bottom, the thing after crushing
Material is sieved step by step.
Connected between each unit by conveyer belt 4, one end of conveyer belt 4 is arranged on the discharge outlet of previous stage unit, separately
One end is arranged at the charging aperture of rear stage unit；The material of the different-grain diameter of each unit output is mixed in the same conveyer belt
Downstream is transported on 4, this is due to that can first carry out the screening of predetermined particle diameter material before material enters the fragmentation cell in downstream, because
The material of this different-grain diameter, which mixes to transmit, reduces the usage quantity of conveyer belt 4, reduces cost.
The finished product separative element, which has, eliminates material outlet, between the finished product separative element and the unit in small, broken bits
The Loop Seal 7 of the unit in small, broken bits is transmitted back to provided with the material for the superseded material outlet to be eliminated out.The returning charge
The discharge end of mechanism 7 transports material in the unit in small, broken bits the charging for the gyratory crusher 2 for crushing small particle material
Mouthful.The Loop Seal 7 is conveyer belt.One end of conveyer belt is arranged at the superseded material outlet of finished product separative element, another
End is arranged at the charging aperture of unit in small, broken bits.As illustrated in fig. 1 and 2, between Loop Seal 7 and unit in small, broken bits and finished product separative element
Conveyer belt formation cross-like, will not both produce and influence each other, and rationally make use of space.In order to reduce the waste of material, warp
Cross and the material of Particle size requirements is unsatisfactory for after material separator 5 is separated is transmitted back in gyratory crusher 2 broken, the drop that carries out circulation again
The low cost of material transferring.
Each described unit is respectively placed in a casing, is detachably connected between each casing by conveyer belt 4.This
Sample can be dismantled the conveyer belt 4 for connecting two casings, each casing is individually transported in device transportation,
Relative to by device whole Transporting, cost of transportation is reduced.Certainly, can also be by each unit as another embodiment
It is placed in multiple casings, the space-consuming of single casing is reduced by the folding between the conveyer belt 4 of casing.The adjacent casing
Between be additionally provided with telescoping mechanism for driving the bin movement, by controlling telescoping mechanism to move forward and backward so as to driving box
Body is moved, and is readily transported.A carrying platform is installed above the just casing of broken unit, the carrying platform with it is described
Casing is detachably connected.Other assemblies can be placed on carrying platform, are easy to the installation with multi-stage screening mechanism when needed, when
It can be removed from casing when not needing.
As a kind of alternative embodiment, exocentric structure 3 can also be to be arranged on jaw crusher 1 and cone crusher
Material separator between machine 2, the material separator will receive through jaw crusher 1 it is broken after meet gyratory crusher 2
Broken requirement material diameter screen out and deliver to lower section conveyer belt, and will remaining material by size particle diameter separation after point
It is not delivered in two gyratory crushers 2 and further crushes.
As another embodiment, finished product separative element can also be the screen cloth of multilayer different pore size according to particle diameter
The horizontally arranged formation of order being from left to right sequentially reduced, each layer of screen cloth is provided with finished product materials outlet and eliminates material
Mouthful, superseded material outlet is communicated to the conveyer belt being arranged below, and multiple superseded material outlets share a conveyer belt, to reduce
Usage quantity, reduces cost.
As another embodiment, finished product separative element can also be with four layers be arranged in parallel from top to bottom
The material separator 5 of screen cloth 51 and the combination formation of material separator 5 with four layers of screen cloth 51 being obliquely installed from top to bottom, with
Meet different use demands.
As a kind of embodiment, each bottom half is also equipped with two runners.Runner can possess with itself
Power source, with the movement of drive case, can also drive casing to be moved under the driving of exterior power.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (16)
1. a kind of multi-stage screening mechanism, including：
The first broken unit of chopped-off head and the unit in small, broken bits for being arranged at first broken unit downstream,
Characterized in that,
Just broken unit and the unit in small, broken bits, which include one, to be used to the material screening of predetermined particle diameter, without in the unit
Broken screening structure.
2. multi-stage screening mechanism according to claim 1, it is characterised in that the just broken unit is jaw crusher (1)；
The unit in small, broken bits has the several gyratory crushers (2) for crushing different-grain diameter material respectively.
3. multi-stage screening mechanism according to claim 2, it is characterised in that the gyratory crusher (2) is two, each
Be provided with altogether above gyratory crusher (2) charging aperture one be used for by receive it is broken after material control device work
With the lower exocentric structure (3) for carrying out size separation and being distributed in the corresponding gyratory crusher (2).
4. multi-stage screening mechanism according to claim 3, it is characterised in that the exocentric structure (3) is arranged on including one
The centrifugation cover (31) of upper rotation, the middle part of the centrifugation cover (31) has bolter (311)；Set below the centrifugation cover (31)
It is equipped with the material conveying passage (32) for the material for receiving and conveying the predetermined particle diameter screened out by the bolter (311)；And one
Cylinder (32) to being arranged on described centrifugation cover (31) side, the outlet of the cylinder (32) extends to the gyratory crusher
(2) at charging aperture.
5. according to multi-stage screening mechanism according to any one of claims 1 to 4, it is characterised in that also most lower including being arranged on
The finished product separative element of trip.
6. multi-stage screening mechanism according to claim 5, it is characterised in that the finished product separative element is with from upper
The material separator (5) for four layers of screen cloth (51) that lower entirety or split are set, the particle diameter of four layers of screen cloth (51) differs, and often
One end of one layer of screen cloth (51) is provided with finished product materials outlet.
7. multi-stage screening mechanism according to claim 6, it is characterised in that four layers of screen cloth (51) is parallel or inclined to be set
Put.
8. multi-stage screening mechanism according to claim 7, it is characterised in that the exit of every layer of screen cloth (51) is set
There is finished product materials conveyer belt (6).
9. the multi-stage screening mechanism according to any one of claim 5~8, it is characterised in that by passing between each unit
Send band (4) connection；The material of the different-grain diameter of each unit output is mixed on the same conveyer belt (4) and is transported to downstream.
10. the multi-stage screening mechanism according to any one of claim 5~9, it is characterised in that the finished product separative element
With superseded material outlet, being provided between the finished product separative element and the unit in small, broken bits is used to the superseded material
The material that mouth is eliminated out is transmitted back to the Loop Seal (7) of the unit in small, broken bits.
11. multi-stage screening mechanism according to claim 10, it is characterised in that the discharge end of the Loop Seal (7) will
Material is transported to the charging aperture for the gyratory crusher (2) that small particle material is crushed in the unit in small, broken bits.
12. the multi-stage screening mechanism according to claim 10 or 11, it is characterised in that the Loop Seal (7) is transmission
Band.
13. the multi-stage screening mechanism according to any one of claim 9~12, it is characterised in that each described unit point
Not disposed at least in a casing, by the way that conveyer belt (4) is detachable or foldable connection between each casing.
14. multi-stage screening mechanism according to claim 13, it is characterised in that be additionally provided with use between the adjacent casing
In the telescoping mechanism for driving the bin movement.
15. multi-stage screening mechanism according to claim 13, it is characterised in that each bottom half is also equipped with least
One runner.
16. the multi-stage screening mechanism according to any one of claim 13~15, it is characterised in that the just broken unit
A carrying platform is installed above casing, the carrying platform is detachably connected with the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710531230.4A CN107282257A (en) | 2017-07-03 | 2017-07-03 | A kind of multi-stage screening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710531230.4A CN107282257A (en) | 2017-07-03 | 2017-07-03 | A kind of multi-stage screening mechanism |
Publications (1)
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Cited By (5)
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| CN107617490A (en) * | 2017-10-26 | 2018-01-23 | 许五妮 | It is a kind of to cut medicine device for the recyclable of Chinese medicine pre-treatment |
| WO2020038323A1 (en) * | 2018-08-19 | 2020-02-27 | 吴卿 | Integrated building-block tower comprehensive centralized crushing system |
| CN111604152A (en) * | 2020-05-23 | 2020-09-01 | 陕西宏基混凝土构件有限责任公司 | Concrete machine-made sand production equipment |
| CN112624648A (en) * | 2020-12-28 | 2021-04-09 | 中国水利水电第九工程局有限公司 | Three-level mud powder production process |
| CN115453091A (en) * | 2022-09-22 | 2022-12-09 | 中国矿业大学 | Stick-slip dislocation experiment system capable of simulating fault complex-graded particle crushing zone |
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| CN115453091A (en) * | 2022-09-22 | 2022-12-09 | 中国矿业大学 | Stick-slip dislocation experiment system capable of simulating fault complex-graded particle crushing zone |
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Application publication date: 20171024 |