CN208466489U - Multi-level grading device - Google Patents

Abstract

The utility model discloses a kind of multi-level grading devices, including device housing, device housing is equipped with material inlet and air outlet, the intersection area of material inlet and air outlet is equipped with screen, device housing include at least one roughing shell, select at least one shell and at least one carefully select shell, roughing shell middle select shell, carefully shell is selected successively to arrange along the air inlet direction of air outlet.The multi-level hierarchical sorting of fine particle stage material is realized using single set equipment, material particular diameter adaptation range is wider, and structure is simple, simple process, and investment is small, and low energy consumption, and failure rate is low.

Description

Multi-level grading device

Technical field

The utility model relates to dry type materials to sort screening installation technical field, particularly, be related to a kind of for that will contain The fine fraction dry material of a variety of partial sizes is classified into the grading plant of the material of different-grain diameter.

Background technique

In the prior art, a kind of dry material containing there are many partial size can be classified into the object of different-grain diameter by screening machine Material, but screening machine is low for the screening efficiency of fine particle stage material, and screening media is fast and yield is small.

In production, if the three kinds or more that expeditiously isolate grade partial size from dry type material is different The material of partial size generally requires using more set classifying equipoments and implements, and causes process system complicated；Using more set classifying equipoments Afterwards, not only investment is big, and power consumption is high, and corollary equipment is more, and it is higher to may cause failure rate.

Utility model content

The utility model provides a kind of multi-level grading device, with solve existing single set classifying equipoment can not carry out three kinds or The feed separation of three kinds or more different-grain diameters is needed to be cooperated using more set equipment and be realized, cause complex process, investment it is big, The technical issues of power consumption is big, equipment is more, high failure rate.

The utility model provides a kind of multi-level grading device, including device housing, and device housing is equipped with material inlet and gives The intersection area of air port, material inlet and air outlet is equipped with screen, and device housing includes at least one roughing shell, at least one Select shell and at least one carefully select shell, roughing shell middle select shell, carefully shell is selected successively to arrange along the air inlet direction of air outlet Cloth.

Further, roughing housing cavity and in select between housing cavity and/or in select housing cavity and carefully select in shell It is equipped between chamber for stopping or adjusting by the material of air outlet airflow blow so that the material correspondence of different-grain diameter falls into distance Stock stop in the region of air outlet respective distance.

Further, material inlet is in device housing top and lays downward, and air outlet is in the lateral simultaneously court of device housing It is laid to the blanking direction of material inlet；Screen inclination be laid in below material inlet and simultaneously with the extending direction of material inlet and prolong The intersection of direction air outlet is stretched, muti-piece screen from top to bottom along the successively progressive arrangement of the air inlet direction of air outlet, forms stairstepping Structure.

Further, it is additionally provided on the feed opening of material inlet for obstructing material and forcing material first block of screen upward The mobile material-blocking plate to fall in surface.

Further, roughing housing bottom is exported equipped with coarse grain；In select housing bottom be equipped with first in powder outlet；Carefully select shell Body bottom is equipped with powder outlet in second, and shell is carefully selected laterally to be equipped with fine powder outlet, and fine powder outlet is opposite with air outlet to lay.

Further, air outlet to the extending direction of device housing inner cavity be set as penetrating through simultaneously roughing housing cavity, in It selects housing cavity and carefully selects the material through channel of housing cavity, stock stop is set in material through channel.

Further, stock stop includes hinge and baffle, and baffle is connected to device housing internal chamber wall by articulate On.

Further, stock stop further includes the controller for controlling the angle of baffle around hinge rotation；Each group of gear Expect that the corresponding controller of mechanism or all stock stop use the same controller.

Further, stock stop is multiple for stopping to move with air inlet air-flow using radially arranging along material through channel Dynamic material is to realize the material selecting board of thickness material sorting, the flow direction of the air inlet air-flow of material selecting board side plate face and air outlet Intersection；Material selecting board is fixedly connected on device housing internal chamber wall or material selecting board is rotationally connected on device housing internal chamber wall.

Further, screen is fixedly connected on the wall body of device housing inner cavity or screen is rotationally connected with device housing On the wall body of inner cavity.

Further, roughing shell, the middle inner cavity selected shell, carefully select at least one of shell are up big and down small taper Chamber.

Further, in addition to roughing shell, it is middle select shell, carefully select shell other than, one can also be increased between three shells Or more than one shell, accordingly there are powder or particle outlet, all settable gear between two housings under increased each shell Expect mechanism.

The utility model has the following beneficial effects:

The utility model multi-level grading device, material fall from material inlet, step by step using the screen carrying below material inlet The material fallen, while being entered the wind air-flow by air outlet and effect is blowed to falling material, enable material sufficiently and screen It contacts and is separated from each other, and cast with screen rolls forward.Roll the material that casts away, since material particular diameter is different, by into The distance of wind airflow blow is also different, and the big material of partial size is fallen, and the distance that the smaller material of partial size blows is remoter, thus Realize the material of different-grain diameter by closely to far fall to respectively roughing shell, it is middle select shell and carefully select in housing cavity, thus reality The multi-level hierarchical sorting of existing various partial size mixed materials.The multi-level hierarchical sorting of fine particle stage material, object are realized using single set equipment Expect that partial size adaptation range is wider, structure is simple, simple process, and investment is small, and low energy consumption, and failure rate is low.

By be set to roughing housing cavity and in select between housing cavity and/or in select housing cavity and carefully select in shell The preparatory oscillation adjustment of stock stop between chamber, to adjust coarse grain, in first in powder and second powder partial size, to prevent super grain The material of diameter enters the other stepped zone of next stage due to various reasons, while can be also adjusted by stock stop To the particle size of each stepped zone.It, can by the size of the air inlet air-flow of air outlet and the synergistic effect of stock stop To control the multi-level hierarchical precision of different fine particle stage materials.

Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model Point.Below with reference to figure, the utility model is described in further detail.

Detailed description of the invention

The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing In:

Fig. 1 is one of structural schematic diagram of multi-level grading device of the preferred embodiment in the utility model；

Fig. 2 is the top view of Fig. 1；

Fig. 3 is the second structural representation of the multi-level grading device of the preferred embodiment in the utility model；

Fig. 4 is the third structural representation of the multi-level grading device of the preferred embodiment in the utility model；

Fig. 5 is the four of the structural schematic diagram of the multi-level grading device of the preferred embodiment in the utility model.

Marginal data:

1, device housing；101, roughing shell；1011, coarse grain exports；102, middle to select shell；1021, powder outlet in first； 103, shell is carefully selected；1031, powder outlet in second；1032, fine powder exports；2, material inlet；3, air outlet；4, screen；5, backgauge Mechanism；501, hinge；502, baffle；503, material selecting board；6, material-blocking plate；7, material through channel.

Specific embodiment

The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by following The multitude of different ways for limiting and covering is implemented.

Fig. 1 is one of structural schematic diagram of multi-level grading device of the preferred embodiment in the utility model；Fig. 2 is bowing for Fig. 1 View；Fig. 3 is the second structural representation of the multi-level grading device of the preferred embodiment in the utility model；Fig. 4 is the utility model The third structural representation of the multi-level grading device of preferred embodiment；Fig. 5 is the multi-level hierarchical of the preferred embodiment in the utility model The four of the structural schematic diagram of device.

As depicted in figs. 1 and 2, the multi-level grading device of the present embodiment, including device housing 1, device housing 1 are equipped with and give The intersection area of material mouth 2 and air outlet 3, material inlet 2 and air outlet 3 is equipped with screen 4, and device housing 1 includes at least one roughing Shell 101, select at least one shell 102 and at least one carefully select shell 103, roughing shell 101, the middle shell 102, thin of selecting Shell 103 is selected successively to arrange along the air inlet direction of air outlet 3.The utility model multi-level grading device, material is under material inlet 2 It falls, carries the material fallen step by step using the screen 4 of 2 lower section of material inlet, while the air inlet air-flow by air outlet 3 is to lower junk Material blows effect, so that material is sufficiently contacted with screen 4 and is separated from each other, and casts with 4 rolls forward of screen.It rolls and throws The material being shot out, due to material particular diameter difference, also different by the distance of air inlet airflow blow, the big material of partial size is fallen It falls, the distance that the smaller material of partial size blows is remoter, to realize the material of different-grain diameter by closely to far falling to roughing respectively Shell 101, it is middle select shell 102 and carefully select in 103 inner cavity of shell, to realize the multi-level hierarchical point of various partial size mixed materials Choosing.The multi-level hierarchical sorting of fine particle stage material is realized using single set equipment, material particular diameter adaptation range is wider, and structure is simple, work Skill is simple, and investment is small, and low energy consumption, and failure rate is low.

As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, 101 inner cavity of roughing shell in select 102 inner cavity of shell it Between and/or in select 102 inner cavity of shell and carefully select between 103 inner cavity of shell be equipped with blown for stopping or adjusting by 3 air-flow of air outlet The material sent is so that the corresponding stock stop 5 fallen into the region apart from 3 respective distance of air outlet of the material of different-grain diameter.Backgauge Mechanism 5 adjusted by the swing of left and right in advance roughing shell 101, it is middle select shell 102 or carefully select shell 103 and air outlet 3 it Between distance.By be set to 101 inner cavity of roughing shell and in select between 102 inner cavity of shell and/or in select 102 inner cavity of shell with The stock stop 5 between 103 inner cavity of shell is selected, carefully to prevent the material of super partial size from entering next rank due to various reasons Stepped zone, while the particle size of each stepped zone can be also adjusted by stock stop 5, namely adjust n The distance between a shell, thus adjust coarse grain, powder in first, in second powder particle size.Pass through the air inlet gas of air outlet 3 The size of stream and the synergistic effect of stock stop 5, can control the multi-level hierarchical precision of different fine particle stage materials.

As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, material inlet 2 is in 1 top of device housing and lays downward. Air outlet 3 be in 1 side of device housing to and towards material inlet 2 blanking direction lay.The inclination of screen 4 is laid under material inlet 2 Side and simultaneously with the extending direction of material inlet 2 and extending direction air outlet 3 intersect.Muti-piece screen 4 is from top to bottom along to wind The air inlet direction successively progressive arrangement of mouth 3 forms ladder-type structure.To guarantee that the screen 4 fallen from material inlet 2 can be fallen To 4 surface of screen, material stress is forced to be scattered by interaction force, with air inlet air-flow rolls forward, so that the object of different-grain diameter Material gradually separates step by step, and by blowing forward under the drive of air inlet air-flow, the material of different-grain diameter is in identical air inlet airflow function Under, different stepped zones is successively fallen to, to realize the classification and sorting of different-grain diameter material.

As shown in Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, it is additionally provided on the feed opening of material inlet 2 for obstructing material and compeling Make the material mobile material-blocking plate 6 to fall in first piece of 4 surface of screen upward.Material can orderly be fallen on screen 4, so that object Material can sufficiently by screen 4 and air inlet air-flow double action and realize the separation of the material of different-grain diameter, so as to by entering the wind Air-flow is blowed respectively to different stepped zones.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, 101 bottom of roughing shell is exported equipped with coarse grain 1011.In select 102 bottom of shell be equipped with first in powder outlet 1021.103 bottom of shell is carefully selected to be equipped with powder outlet 1031 in second. Carefully select 103 side of shell to fine powder outlet 1032 is equipped with, fine powder outlet 1032 is opposite with air outlet 3 to lay.By in different points Different grading discharge mouths is arranged in grade region, is collected respectively with realizing to the material of different-grain diameter.

As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, air outlet 3 is set to the extending direction of 1 inner cavity of device housing It is set to while penetrating through 101 inner cavity of roughing shell, the middle material through channel for selecting 102 inner cavity of shell and carefully select 103 inner cavity of shell 7.Stock stop 5 is set in material through channel 7.It forms material and blows channel with air inlet air motion, to realize different grains The material of diameter enters different stepped zones.

Shown in as shown in Figure 1, Figure 3 and Figure 4, in the present embodiment, stock stop 5 includes hinge 501 and baffle 502.Baffle 502 is logical Hinge 501 is crossed to be movably connected on 1 internal chamber wall of device housing.Baffle 502 realizes the adjusting of deflection angle by hinge 501, from And control the material particular diameter proportion for having respectively entered 502 two sides of baffle.

Shown in as shown in Figure 1, Figure 3 and Figure 4, in the present embodiment, stock stop 5 further includes for controlling 502 around hinge 501 of baffle The controller of the angle of rotation.Optionally, the corresponding controller of each group of stock stop 5.Optionally, all stock stop 5 use the same controller.Automatic material particular diameter burden control can be realized by controller.

As shown in Figure 4 and Figure 5, in the present embodiment, stock stop 5 is multiple using radially arranging along material through channel 7 Material selecting board 503 for stopping to realize the sorting of thickness material with the mobile material of air inlet air-flow, 503 side plate face of material selecting board with The flow direction intersection of the air inlet air-flow of air outlet 3.Material particular diameter proportion is controlled in such a way that material selecting board 503 stops, simultaneously It is also possible that material selecting board 503 is broken up separation to the material that windward side comes again, to guarantee that fines sorting ratio is higher. Optionally, material selecting board 503 is fixedly connected on 1 internal chamber wall of device housing.Optionally, material selecting board 503 is rotationally connected with device shell On 1 internal chamber wall of body.Optionally, it is rotationally connected with material selecting board 503 on 1 internal chamber wall of device housing, air-flow can be entered the wind with air outlet 3 Adaptability rotation, to control the material particular diameter for passing through material selecting board 503.Optionally, it is rotationally connected on 1 internal chamber wall of device housing Material selecting board 503 is controlled the deflection angle of material selecting board 503 by controller, controls the material particular diameter by material selecting board 503 with this.

As shown in Figure 1, Figure 4 and Figure 5, in the present embodiment, screen 4 is fixedly connected on 1 inner cavity wall body of device housing.To protect Exhibit material, which is stablized, to fall broken and makees parabolic motion forward by air inlet airflow blow, and lightweight carefully selects fine powder of the material from top 1032 blowout of outlet.Optionally, screen 4 is rotationally connected on 1 inner cavity wall body of device housing, as shown in Figure 3.Optionally, screen 4 Deflection angle is controlled by controller, so that control material blows angle, realizes the sorting ratio control of different-grain diameter.

As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, roughing shell 101 middle select shell 102, carefully selects shell 103 At least one of inner cavity be up big and down small conical cavity.Guarantee that material smoothly can fall and collect.

In the present embodiment, in addition to roughing shell 101, it is middle select shell 102, carefully select shell other than 103, can also be in three shells Between increase one or more shell, accordingly have powder or particle outlet under increased each shell, between two housings All settable stock stop.

When implementation, a kind of multi-level grading device is provided, material to be sorted is fed from material inlet 2, falls into roughing On screen 4 in shell 101, screen 4 is tilting, forms step arrangement by muti-piece screen 4.It can make one piece from topmost of material 4 block-by-block of screen feeds the gas of certain pressure and air quantity to whereabouts in air outlet 3, which blows to certain speed On the material to fall, so that material is dispersed and particle is made to obtain the speed elapsed forward and the height being lifted up, It is smaller that the bigger material of grain obtains the ability forwardly and upwardly moved.Therefore the coarse granule of bulky grain is in first shell, that is, roughing Shell 101 falls and outside discharge machine, generally can return to pulverizer from coarse grain outlet 1011 and crush again, also can be used as coarse grain Finished product；Remaining particle obtains the ability forwardly and upwardly elapsed and distance i.e. successively difference according to its particle size, wherein The gas and fine powder come out from fine powder outlet 1032 is the smallest particle, and the thick middle powder that powder outlet 1021 comes out from first is ratio The smaller particle of coarse grain come out from coarse grain outlet 1011, and detail powder its partial size that powder outlet 1031 comes out from second Again than first in powder outlet 1021 come out thick middle powder diameter it is smaller.Carefully shell 103 is being selected to select asking for shell 102 in Selecting in and has hinge 501 and baffle 502 between shell 102 and roughing shell 101, the width of baffle 502 and grading plant Inner width can swing quite and in shell, effect be for adjusting granularity, such as adjustment roughing shell 101 with The middle baffle 502 selected between shell 102 is swung to the left side, the thick middle powder come out in powder outlet 1021 in first will partial size it is thin by one A bit；Swing to the right, in first powder outlet 1021 in come out thick middle powder will partial size it is larger.It is arranged from fine powder outlet 1032 Gas and fine powder out generally enter dust arrester installation carry out gas solid separation, can get fine powder, if gather dust into two-stage or A thinner powder and a thicker powder can be then obtained into fine powder powder concentrator.

The utility model multi-level grading device, using three or three or more sorting shells and three or three or more Different-grain diameter outlet.The two neighboring intracorporal interconnecting part of shell is equipped with hinge 501, and the top of hinge 501 can control pendulum equipped with one Dynamic baffle 502.The gas and fine powder of grading plant discharge can obtain fine powder and thick after two-stage dust-precipitator or fine powder powder concentrator Powder.Only a sorting unit can obtain the production that three kinds or more includes a variety of partial sizes such as fine powder, middle powder, thick middle powder Product, make that technique is simpler, device configuration is greatly reduced；Mechanical breakdown can be reduced, operator is reduced；More energy consumptions can be saved； The investment of equipment, workshop, soil is saved, and reduces production and maintenance cost.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (11)

1. a kind of multi-level grading device, including device housing (1),

Described device shell (1) is equipped with material inlet (2) and air outlet (3),

The intersection area of the material inlet (2) and the air outlet (3) is equipped with screen (4),

It is characterized in that,

Described device shell (1) includes at least one roughing shell (101), selects shell (102) and at least one at least one It is a carefully to select shell (103),

The roughing shell (101), it is described it is middle select shell (102), it is described carefully select shell (103) along the air outlet (3) into It successively arranges in wind direction.

2. multi-level grading device according to claim 1, which is characterized in that

Roughing shell (101) inner cavity and it is described in select between shell (102) inner cavity and/or selected in described in shell (102) Chamber and described carefully select are equipped between shell (103) inner cavity for stopping or adjusting by the material of the air outlet (3) airflow blow So that the corresponding stock stop (5) fallen into the region apart from the air outlet (3) respective distance of the material of different-grain diameter.

3. multi-level grading device according to claim 1, which is characterized in that

The material inlet (2) is in described device shell (1) top and lays downward,

The air outlet (3) is in described device shell (1) laterally and lays towards the blanking direction of the material inlet (2)；

Screen (4) inclination is laid in below the material inlet (2) and while extending direction and institute with the material inlet (2) The extending direction intersection of air outlet (3) is stated,

Screen described in muti-piece (4) from top to bottom along the air inlet direction successively progressive arrangement of the air outlet (3), forms stairstepping Structure.

4. multi-level grading device according to claim 3, which is characterized in that

It is additionally provided on the feed opening of the material inlet (2) for obstructing material and forcing material first block of screen upward (4) the mobile material-blocking plate (6) to fall in surface.

5. multi-level grading device according to claim 1, which is characterized in that

Roughing shell (101) bottom is equipped with coarse grain outlet (1011)；

Shell (102) bottom is selected to be equipped with powder outlet (1021) in first in described；

It is described that shell (103) bottom is carefully selected to be equipped with powder outlet (1031) in second,

It is described that shell (103) is carefully selected laterally to be equipped with fine powder outlet (1032), the fine powder outlet (1032) and the air outlet (3) It is opposite to lay.

6. multi-level grading device according to claim 2, which is characterized in that

The air outlet (3) is set as penetrating through the roughing shell simultaneously to the extending direction of described device shell (1) inner cavity (101) inner cavity, the middle material through channel (7) for selecting shell (102) inner cavity and carefully select shell (103) inner cavity,

The stock stop (5) is set in the material through channel (7).

7. multi-level grading device according to claim 6, which is characterized in that

The stock stop (5) includes hinge (501) and baffle (502),

The baffle (502) is movably connected on described device shell (1) internal chamber wall by the hinge (501).

8. multi-level grading device according to claim 7, which is characterized in that

The stock stop (5) further includes the control for controlling the angle that the baffle (502) is rotated around the hinge (501) Device；

The corresponding controller of stock stop described in each group (5) or all stock stop (5) are using same A controller.

9. multi-level grading device according to claim 6, which is characterized in that

The stock stop (5) is multiple mobile with air inlet air-flow for stopping using radially arranging along material through channel (7) Material with realize thickness material sorting material selecting board (503),

Material selecting board (503) the side plate face intersects with the flow direction of the air inlet air-flow of the air outlet (3)；

The material selecting board (503) is fixedly connected on described device shell (1) internal chamber wall, or

The material selecting board (503) is rotationally connected on described device shell (1) internal chamber wall.

10. multi-level grading device according to any one of claim 1 to 9, which is characterized in that

The screen (4) is fixedly connected on the wall body of described device shell (1) inner cavity, or

The screen (4) is rotationally connected on the wall body of described device shell (1) inner cavity.

11. multi-level grading device according to any one of claim 1 to 9, which is characterized in that

The roughing shell (101) described middle select shell (102), described carefully selects the inner cavity of at least one of shell (103) to be Up big and down small conical cavity.