CN218531740U - A washing screening plant for screening of many particle sizes - Google Patents

Abstract

The utility model provides a washing screening plant for screening multiple particle sizes, which comprises a box body arranged on a support frame, wherein a feed inlet is arranged on a top cover of the box body, and a spraying mechanism, a first screen mesh, a second screen mesh, a third screen mesh and a water tank are sequentially arranged in the box body from top to bottom; a first discharge port, a second discharge port, a third discharge port and a water outlet are sequentially arranged on one side face of the box body from top to bottom, and the positions of the first discharge port, the second discharge port, the third discharge port and the water outlet correspond to the positions of the first screen, the second screen, the third screen and the water tank respectively; and a vibration mechanism is arranged at the bottom of the box body. The utility model discloses a set up the different screen cloth in three-layer aperture and wash the screening to thick liquids, can once only isolate the different material of three kinds of particle diameters, and every layer of screen cloth all independently is provided with the discharge gate, conveniently collects the material that the screening obtained, and screening efficiency is high, and the yield is high.

Description

A washing screening plant for screening of many particle sizes

Technical Field

The utility model relates to a water sieve screening technical field especially relates to a washing screening plant for screening of many particle diameters.

Background

At present, AP spherical crystals with the particle size of more than 330 microns produced by an AP production line cannot meet the requirements of national military standards or particle size screening of users in a crystallization device at one time, and need to be screened again in a water screen to meet the requirements of the national military standards or the users. The water sieve commonly used in the prior production is a cylindrical rolling water sieve, 1-8 grids are arranged on a cylinder, screens with different meshes such as 40 meshes, 50 meshes, 60 meshes and the like are correspondingly laid on each grid, uniformly distributed water spraying holes are formed in the surface of a rolling shaft, slurry continuously flows backwards along with the transfer of the water sieve and the action of water spraying, corresponding sieving is separated from different screens, qualified sieving materials and unqualified materials are respectively collected manually, and the qualified materials enter the next procedure after centrifugation.

The water screen has large floor area, large number of workers, high labor intensity, nonuniform screening qualified materials, low water screen yield (about 40 percent), and partial qualified materials enter unqualified materials to cause the rise of partial production cost.

Disclosure of Invention

The utility model provides a washing screening plant for screening of many particle diameters has solved among the prior art that water sieve area is big, screening qualification material has uneven scheduling problem.

The technical scheme of the utility model is realized like this:

a washing screening device for screening multiple particle sizes comprises a box body arranged on a support frame, wherein a feed inlet is formed in a top cover of the box body, and a spraying mechanism, a first screen, a second screen, a third screen and a water tank are sequentially arranged in the box body from top to bottom; a first discharge hole, a second discharge hole, a third discharge hole and a water outlet are sequentially formed in one side face of the box body from top to bottom, and the positions of the first discharge hole, the second discharge hole, the third discharge hole and the water outlet correspond to the positions of the first screen, the second screen, the third screen and the water tank respectively; and a vibration mechanism is arranged at the bottom of the box body.

The utility model discloses a screen cloth that sets up the difference in three-layer aperture washes the screening to thick liquids, can once only separate the different material of three kinds of particle diameters, and every layer of screen cloth all independently is provided with the discharge gate, conveniently collects the material that the screening obtained, and screening efficiency is high, and the yield is high.

As the preferable proposal of the utility model, the apertures of the first screen, the second screen and the third screen are sequentially reduced, and the apertures of the three screens are all between 40 and 200 meshes; the slurry entering the box body from the feeding hole firstly falls onto the first screen, under the action of the vibration mechanism, the materials with the aperture smaller than that of the first screen fall onto the second screen, the materials with the aperture smaller than that of the second screen fall onto the third screen, and the spray liquid penetrates through the third screen and falls into the water tank; the first screen cloth can be sieved to obtain the coarse unqualified material that the particle diameter is too big, the second screen cloth can be sieved to obtain the qualified material that the particle diameter is moderate, the third screen cloth can be sieved to obtain the fine unqualified material that the particle diameter is too little, the qualified material particle diameter that obtains behind first screen cloth and the second screen cloth is comparatively homogeneous, the effect of third screen cloth is to screen off the water in the material for spray mechanism spun sprays liquid and can recycle.

As the utility model discloses preferred scheme, first discharge gate, second discharge gate, third discharge gate and delivery port are located the homonymy of box, the feed inlet is located the box top and keeps away from one side of delivery port, and the purpose that this kind of discharge gate homonymy set up is the unified of the material of being convenient for and collects, and the purpose that delivery port one side was kept away from to the feed inlet is the dwell time of extension material on the screen cloth as far as possible to improve the screening precision.

As the utility model discloses preferred scheme, vibration mechanism revolves to opposite vibrating motor synchronous drive by two, and vibration mechanism's vibration direction and horizontal direction's contained angle are the acute angle, when two synchronous counter-rotations of vibrating motor, the vibrational force that its eccentric block produced offsets each other in the direction that is on a parallel with the motor axis, superpose each other at the direction of perpendicular to motor axis for a resultant force, make vibration mechanism's production rectilinear vibration, and because its vibration direction is the acute angle with the contained angle of horizontal direction, the vibration that so vibration mechanism produced can make the material on the screen cloth by the slant formula forward motion of throwing the leap, thereby avoid the material to pile up on each layer of screen cloth, screening efficiency has been improved, and the material that the screening obtained flows from the discharge gate that corresponds more easily.

As the utility model discloses preferred scheme, the inclination of box is 3 ~ 5 degrees, its incline direction is opposite with the incline direction of vibration mechanism, when vibration mechanism makes the material orientation on each layer screen cloth when being close to the direction leap formula that corresponds the discharge gate and advance, the slope setting of box makes the material orientation on each layer screen cloth keep away from the direction motion of corresponding discharge gate under the effect of self gravity, through the reasonable inclination that sets up vibration mechanism's vibration frequency and vibration range and box, can make the material flow from the discharge gate that corresponds under vibration mechanism's effect, the dwell time of material on the screen cloth can further be prolonged in this kind of design, thereby improve the screening precision, make the qualification material that obtains through the screening more unified.

As the utility model discloses preferred scheme, the delivery port passes through circulating pipe and sprays the mechanism intercommunication, is equipped with the circulating pump on the circulating pipe, through setting up circulating pipe and circulating pump, can carry out cyclic utilization to spraying liquid, has improved resource utilization.

As the utility model discloses preferred scheme, the feed inlet below is equipped with the thick liquids distributor, can avoid the material to pile up in the feed inlet below through setting up the thick liquids distributor, has improved screening efficiency.

As the utility model discloses preferred scheme, the support frame includes a plurality of damping telescopic links, damping telescopic link's free end and box outer wall fixed connection, and the outside cover of flexible section of damping telescopic link is equipped with the spring, through setting up the damping telescopic link, can cooperate the spring to play the effect of damping, reduces the influence of the vibration that vibration mechanism produced to the support frame, has improved the holistic stability of equipment.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) The utility model discloses a set up spray mechanism and three-layer screen cloth that the aperture is different and wash the screening to thick liquids, can once only separate three kinds of materials that the particle size is different, and every layer of screen cloth all has the discharge gate independently, conveniently collects the material that the screening obtained, and screening efficiency is high, and the yield is up to more than 83% (the yield of traditional water sieve is only about 50%);

(2) The utility model discloses a vibration direction that sets up vibration mechanism is the acute angle with the contained angle of horizontal direction, and the incline direction of vibration mechanism is opposite with the incline direction of box, when vibration mechanism makes the direction leap formula that the material orientation on each layer screen cloth is close to corresponding discharge gate when advancing, the slope setting of box makes the material on each layer screen cloth move towards the direction of keeping away from corresponding discharge gate under the effect of self gravity, vibration frequency and the inclination of vibration range and box through reasonable setting vibration mechanism, can make the material flow from the discharge gate that corresponds under vibration mechanism's effect, this kind of design can further prolong the dwell time of material on the screen cloth, thereby improve the screening precision, make the certified materials that obtain through the screening more unified.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front view of a water-washing screening device for screening multiple particle sizes according to the present invention;

FIG. 2 is a schematic side view of a water-washing screening device for screening multiple particle sizes according to the present invention;

FIG. 3 is a schematic view showing the distribution of the discharge ports and the water outlets in the embodiment of the present invention;

1. a support frame; 2. a box body; 3. a top cover; 4. a feed inlet; 5. a spraying mechanism; 6. a first screen; 7. A second screen; 8. a third screen; 9. a water tank; 10. a first discharge port; 11. a second discharge port; 12. a third discharge port; 13. a water outlet; 14. a vibration mechanism; 15. damping telescopic rods; 16. a spring.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present embodiment provides a washing and screening device for screening multiple particle sizes, including a box body 2 installed on a support frame 1, a top cover 3 of the box body 2 is provided with a feed inlet 4, and a spraying mechanism 5, a first screen 6, a second screen 7, a third screen 8 and a water tank 9 are sequentially arranged inside the box body 2 from top to bottom; a first discharge hole 10, a second discharge hole 11, a third discharge hole 12 and a water outlet 13 are sequentially formed in one side face of the box body 2 from top to bottom, and the positions of the first discharge hole 10, the second discharge hole 11, the third discharge hole 12 and the water outlet 13 correspond to the positions of the first screen 6, the second screen 7, the third screen 8 and the water tank 9 respectively; the bottom of the box body 2 is provided with a vibration mechanism 14.

The water sieve of this embodiment is sharp plane, and area is about 6m2 after installing, and the whole area of device is little, overhauls the maintenance cost low, when overhauing, opens the top cap 3 of box 2 earlier, pulls down each layer screen cloth in proper order again, is convenient for wash or change the screen cloth, at last again in proper order with the three-layer screen cloth install in box 2 can.

As a preferable scheme of this embodiment, the aperture of the first screen 6 is 40 meshes, the aperture of the second screen 7 is 60 meshes, and the aperture of the third screen 8 is 200 meshes (the specific aperture number of the three-layer screens can be adaptively adjusted according to actual situations); the slurry entering the box body 2 from the feeding hole 4 firstly falls onto the first screen 6, under the action of the vibration mechanism 14, the materials smaller than the aperture of the first screen 6 fall onto the second screen 7, the materials smaller than the aperture of the second screen 7 fall onto the third screen 8, and the spray liquid penetrates through the third screen 8 and falls into the water tank 9; the first screen cloth 6 can be sieved to obtain coarse unqualified materials with overlarge particle sizes, the second screen cloth 7 can be sieved to obtain qualified materials with moderate particle sizes, the third screen cloth 8 can be sieved to obtain fine unqualified materials with particle sizes smaller than those of the fine unqualified materials, the grain sizes of the qualified materials obtained after passing through the first screen cloth 6 and the second screen cloth 7 are uniform, and the third screen cloth 8 is used for screening off water in the materials, so that spraying liquid sprayed by the spraying mechanism 5 can be recycled.

As the preferred scheme of this embodiment, first discharge gate 10, second discharge gate 11, third discharge gate 12 and delivery port 13 are located the homonymy of box 2, feed inlet 4 is located the one side of box 2 top keeping away from delivery port 13, and the purpose that this kind of discharge gate homonymy set up is the unified collection of the material of being convenient for, and the purpose that feed inlet 4 kept away from delivery port 13 one side is the dwell time of extension material on the screen cloth as far as possible to improve screening accuracy.

As a preferable scheme of this embodiment, the vibrating mechanism 14 is synchronously driven by two vibrating motors with opposite rotation directions, and an included angle between a vibrating direction of the vibrating mechanism 14 and a horizontal direction is an acute angle (a specific angle can be adaptively adjusted according to actual use conditions), when the two vibrating motors synchronously and reversely rotate, a vibrating force generated by an eccentric block of each vibrating mechanism is offset in a direction parallel to an axis of the corresponding vibrating mechanism, and is superposed in a direction perpendicular to the axis of the corresponding vibrating mechanism to form a resultant force, so that the vibrating mechanism 14 generates linear vibration, and because the included angle between the vibrating direction of each vibrating mechanism and the horizontal direction is an acute angle (in this embodiment, a wedge block is installed at the bottom of the box body 2, and the vibrating mechanism 14 is installed on a slope surface of the wedge block, so that the vibrating mechanism 14 is installed in an inclined manner, and the included angle between the vibrating direction of each vibrating mechanism and the horizontal direction is an acute angle), the vibration generated by the vibrating mechanism 14 can make a material on a screen mesh move forward in an inclined manner in a jumping manner, so that the material accumulation on each layer of the screen mesh is avoided, the mesh is improved screening efficiency, and the screened material can more easily flow out from the corresponding discharge port.

As a preferable scheme of this embodiment, the inclination angle of the box 2 is 4 degrees (the specific inclination angle can be adaptively adjusted according to actual use conditions), the inclination direction of the box is opposite to the inclination direction of the vibration mechanism 14, when the vibration mechanism 14 causes the materials on each layer of screens to move forward in a direction approaching to the corresponding discharge port in a jumping manner, the inclination setting of the box 2 causes the materials on each layer of screens to move in a direction away from the corresponding discharge port under the action of the self gravity, and by reasonably setting the vibration frequency and the vibration amplitude of the vibration mechanism 14 and the inclination angle of the box 2, the materials can flow out from the corresponding discharge port under the action of the vibration mechanism 14, and this design can further prolong the retention time of the materials on the screens, thereby improving the screening precision and making the qualified materials obtained by screening more uniform.

As a preferable scheme of this embodiment, the water outlet 13 is communicated with the spraying mechanism 5 through a circulating water pipe, a circulating pump is arranged on the circulating water pipe, and the circulating water pipe and the circulating pump are arranged, so that the spraying liquid can be recycled, and the resource utilization rate is improved; in this embodiment, the spraying liquid is a saturated liquid, which does not affect the particle size of the material, and the spraying liquid mainly enhances the fluidity of the material, thereby improving the screening efficiency.

As the preferred scheme of this embodiment, feed inlet 4 below is equipped with the thick liquids distributor, can avoid the material to pile up in feed inlet 4 below through setting up the thick liquids distributor, has improved screening efficiency.

As the preferred scheme of this embodiment, support frame 1 includes a plurality of damping telescopic links 15, damping telescopic link 15's free end and 2 outer wall fixed connections of box, and damping telescopic link 15's the outside cover of flexible section is equipped with spring 16, through setting up damping telescopic link 15, can cooperate spring 16 to play the effect of damping, reduces the influence of the vibration that vibration mechanism 14 produced to support frame 1, has improved the holistic stability of equipment.

The working process of the screening device of the embodiment is as follows:

the slurry to be screened is conveyed to the slurry distributor through the feeding pipeline from the feeding port 4, uniformly distributed by the slurry distributor and then falls into the first screen 6, after being effectively sprayed by the spraying device, the material on the first screen 6 moves towards the first discharging port 10 under the action of the vibrating mechanism 14, and meanwhile, the material with the aperture smaller than that of the first screen 6 falls into the second screen 7; the materials on the second screen 7 move towards the direction of the second discharge hole 11, and meanwhile, the materials smaller than the aperture of the second screen 7 fall onto the third screen 8; the material on the third screen 8 moves towards the third discharge hole 12, and meanwhile, the spraying liquid flows into the water tank 9 through the third screen 8; coarse unqualified materials with the particle size larger than the aperture of the first screen 6 can be collected from the first discharge hole 10, qualified materials with the particle size smaller than the aperture of the first screen 6 and larger than the aperture of the second screen 7 can be collected from the second discharge hole 11, and fine unqualified materials with the particle size smaller than the aperture of the second screen 7 and larger than the aperture of the third screen 8 can be collected from the third discharge hole 12; the spraying liquid in the water tank 9 enters the spraying mechanism 5 through the circulating pump and the circulating pipe, so that the cyclic utilization of the spraying liquid is realized.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A washing screening device for screening multiple particle sizes is characterized by comprising a box body (2) arranged on a support frame (1), wherein a feed inlet (4) is formed in a top cover (3) of the box body (2), and a spraying mechanism (5), a first screen (6), a second screen (7), a third screen (8) and a water tank (9) are sequentially arranged in the box body (2) from top to bottom; a first discharge hole (10), a second discharge hole (11), a third discharge hole (12) and a water outlet (13) are sequentially formed in one side face of the box body (2) from top to bottom, and the positions of the first discharge hole (10), the second discharge hole (11), the third discharge hole (12) and the water outlet (13) correspond to the positions of the first screen (6), the second screen (7), the third screen (8) and the water tank (9) respectively; and a vibration mechanism (14) is arranged at the bottom of the box body (2).

2. A water washing and screening device for screening of multiple particle sizes according to claim 1, characterized in that the apertures of said first screen (6), second screen (7) and third screen (8) are reduced in turn and the apertures of all three screens are between 40 and 200 mesh.

3. A water washing and screening device for screening multiple grain sizes according to claim 1, characterized in that the first outlet (10), the second outlet (11), the third outlet (12) and the water outlet (13) are located on the same side of the box body (2), and the inlet (4) is located on the side of the top of the box body (2) far away from the water outlet (13).

4. A water washing screening device for screening multiple sizes of particles according to claim 1, characterised in that the inclination of said box (2) is 3-5 degrees.

5. A water washing and screening apparatus for screening multiple sizes of particles according to claim 1, wherein said vibrating means (14) is driven synchronously by two vibrating motors with opposite directions of rotation, and the vibrating direction of the vibrating means (14) is at an acute angle to the horizontal.

6. A water washing screening device for screening multiple grain sizes as claimed in claim 1, wherein said water outlet (13) is connected to the spraying means (5) through a water circulation pipe, on which a circulation pump is provided.

7. A water scrubbing screening device for screening particles of multiple sizes according to claim 1, wherein a slurry distributor is provided below said feed inlet (4).

8. The washing and screening device for screening multiple particle sizes according to claim 1, wherein the supporting frame (1) comprises a plurality of damping telescopic rods (15), the free ends of the damping telescopic rods (15) are fixedly connected with the outer wall of the box body (2), and springs (16) are sleeved outside the telescopic sections of the damping telescopic rods (15).

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