Solid-liquid screening equipment

Abstract

The utility model relates to the technical field of polylactic acid particle production, and discloses solid-liquid screening equipment which comprises a box body, a cavity is formed in the box body, and a water outlet is fixedly connected to the bottom end of the box body; the side plates are symmetrically arranged at the bottom end of the box body, and the side plates are connected with the box body through lock catches; the separation assembly is arranged in the box body, the separation assembly is used for separating polylactic acid particles from water, the separation assembly comprises a driving motor, a transmission plate and a plurality of filter cartridges, the driving motor is arranged at the top of the box body and fixedly connected with the box body, and the transmission plate is arranged at the top of the box body and rotationally connected with the box body; when the filter cylinder moves, polylactic acid particles and water are stirred, the filter cylinder is stirred to form vortex, the polylactic acid particles deposited on the movable plate are stacked at the corners of the box body due to the fact that the movable plate is conical, the vortex formed by movement of the filter cylinder rolls up the polylactic acid particles, and the situation that the polylactic acid particles are stacked at the corners of the box body and are not cooled and adhered is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the polylactic acid particle production technical field, concretely relates to a solid -liquid screening equipment. BACKGROUND

[0002] Polylactic acid is a kind of biological polymer material made of cassava, sorghum, corn, straw and other crops as raw material, through fermentation, purification, polymerization and other production processes, its production energy consumption is 30% to 50% lower than that of synthetic polymer produced by using petroleum products as raw material, under normal temperature and humidity conditions, polylactic acid and its products are stable in physical properties, polylactic acid waste can be degraded into carbon dioxide and water in soil or seawater by microorganism, and then it can enter the natural cycle infinitely by plant photosynthesis, therefore, polylactic acid is an ideal green polymer material, polylactic acid has many applications, can be used in automobile field, disposable product field and electronic field etc., for example, in disposable product field, due to the absolute harmless characteristics of polylactic acid to human body, polylactic acid has unique advantages in disposable tableware, food packaging materials and other aspects.

[0003] Through the retrieval of the document with disclosure number (CN221066894U) discloses a kind of polylactic acid particle production with solid-liquid screening device, belong to polylactic acid particle screening device technical field, using batch feeding mode, when polylactic acid particle is transported to the import of feed bin, by starting hydraulic telescopic rod to drive moving shaft to move in moving groove to drive screening feed plate to rotate around pivot, make screening feed plate and feed bin realize intermittent opening and closing, so that polylactic acid particle falls in batches, when polylactic acid particle enters the first screen, due to the hydraulic telescopic rod drives the screening feed plate to move simultaneously, drive the first screen to move up and down synchronously, so that polylactic acid particle moves synchronously on it, carries out preliminary dehydration operation, when polylactic acid particle separates from the first screen and enters the second screen, will automatically fall by gravity, in the process of automatic falling, the water remaining on polylactic acid particle drags through the second screen to screen, so as to achieve dehydration effect.

[0004] The above-mentioned device needs to filter polylactic acid particles in batches to avoid the adhesion of polylactic acid particles, but the adhesion of polylactic acid particles is caused by the fact that the temperature of polylactic acid particles is too high after granulation, the cooling time in water is too short and the polylactic acid particles are cooled in a static state, which leads to adhesion, the above-mentioned device only considers the dehydration effect of multi-stage water filtering, and does not substantially improve the adhesion problem of polylactic acid particles.

[0005] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0006] To solve the adhesion technical problem of polylactic acid particles in the dehydration process, the basic idea of the technical scheme of the utility model is:

[0007] A solid-liquid screening device, including a box, the box is provided with a cavity, the bottom end of the box is fixedly connected with a drain; side plate, side plate is symmetrically arranged at the bottom end of the box, side plate is connected with the box through the lock buckle;Separation assembly, separation assembly is arranged in the box, separation assembly is used for separating polylactic acid particles from water, separation assembly includes drive motor, transmission plate and a plurality of filter cartridges, drive motor is arranged at the top of the box and is fixedly connected with the box, transmission plate is arranged at the top of the box and is rotatably connected with the box, each filter cartridge is arranged between the box and the transmission plate, the top of each filter cartridge is fixedly connected with the transmission plate, and the bottom end of the top of each filter cartridge is movably connected with the box.

[0008] As a preferred embodiment of the utility model, the inside of each filter cartridge is provided with a flow guide block and a flow guide rod, the corresponding flow guide block is fixedly connected with the inner wall of the filter cartridge, the top of each flow guide rod is fixedly connected with the transmission plate, and the flow guide block is helical as a whole.

[0009] As a preferred embodiment of the utility model, the outer wall of the box is fixedly connected with a support, the support is fixedly connected with the drive motor, the output end of the drive motor is fixedly connected with a drive gear, and the drive gear is meshingly connected with a transmission gear.

[0010] As a preferred embodiment of the utility model, the transmission gear is fixedly connected with the top of the transmission plate, the bottom end of the transmission plate is provided with a support plate, the support plate is fixedly connected with the inner wall of the box, and the transmission plate is rotatably connected with the support plate.

[0011] As a preferred embodiment of the utility model, the middle part of the transmission gear, the transmission plate and the support plate is provided with a through hole, the size of the through hole on the transmission gear and the transmission plate covers the filter cartridge, and the size of the through hole on the support plate exposes the filter cartridge.

[0012] As a preferred embodiment of the utility model, the bottom end of the box is provided with a movable plate, the movable plate is rotatably connected with the bottom end of the box, the bottom end of the filter cartridge penetrates through the movable plate, and the movable plate is conical as a whole.

[0013] As a preferred embodiment of the utility model, the movable plate is provided with a scraper, the scraper is fixedly connected with the movable plate, the scraper is composed of a plurality of plate blocks, and the plate blocks are attached to the upper surface of the movable plate.

[0014] As a preferred embodiment of the utility model, the plate block end of the movable plate is attached to the wall surface of the box, and the plate block is arranged between each filter cartridge.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The solid-liquid screening device, when the filter cartridge moves, the polylactic acid particles and water are stirred, the filter cartridge stirring forms a vortex, the polylactic acid particles deposited on the movable plate are accumulated in the corner of the box due to the taper of the movable plate, the vortex formed by the movement of the filter cartridge and the scraper rolls up the polylactic acid particles, avoids the polylactic acid particles from being accumulated in the corner of the box and not being cooled and adhered.

[0017] 2. The solid-liquid screening device, when the filter cartridge moves, the movable plate moves with the filter cartridge, the movable plate drives the scraper, the vortex formed by the movement of the filter cartridge and the scraper rolls up the polylactic acid particles, avoids the polylactic acid particles from being accumulated in the corner of the box and not being cooled and adhered, the scraper moves and pushes the polylactic acid particles, the polylactic acid particles are driven by the vortex and the pushing force of the scraper and float in the box, avoiding the deposition of the polylactic acid particles to cause adhesion.

[0018] 3. The solid-liquid screening device, the water entering the filter cartridge moves along the spiral of the guide block and forms a downward vortex due to the influence of gravity, the vortex between the filter cartridge and the guide block collides with the vortex formed by the movement of the filter cartridge, and the spiral direction of the guide block is the same as the movement direction of the filter cartridge, so that the water flow speed between the filter cartridge and the guide block is increased, and the guide rod guides the water in the filter cartridge, avoiding the accumulation of multiple vortices in the filter cartridge and causing the water to remain in the filter cartridge.

[0019] 4. The solid-liquid screening device, after the water in the box is discharged, the lock between the side plate and the box is opened, and the side plate and the box are separated, at this time the driving motor is working, the polylactic acid particles are quickly thrown out due to the taper of the movable plate and the centrifugal force generated when the movable plate and the scraper rotate, and the polylactic acid particles in the corner of the box are pushed out by the scraper when moving, so that the polylactic acid particles are quickly discharged and prevented from being left in the box.

[0020] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] In the drawings:

[0022] Figure 1 It is a three-dimensional schematic diagram of the present application;

[0023] Figure 2 It is a schematic diagram of the structure between the box and the side plate of the present application;

[0024] Figure 3 It is a sectional view schematic diagram of the present application;

[0025] Figure 4 It is a schematic diagram of the separation assembly of the present application;

[0026] Figure 5 It is a schematic diagram of the structure in the filter cartridge of the present application.

[0027] In the figure: 1, box; 11, drain; 12, side plate; 2, drive motor; 21, drive gear; 22, transmission gear; 23, support; 3, transmission plate; 31, support plate; 32, movable plate; 4, filter cartridge; 41, flow guide block; 42, flow guide rod; 5, scraper. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.

[0029] Please refer to Figures 1-5 A solid-liquid screening device, comprising a box body 1, the box body 1 is provided with a cavity, and the bottom end of the box body 1 is fixedly connected with a drain 11; side plates 12 are symmetrically arranged at the bottom end of the box body 1, and the side plates 12 are connected with the box body 1 through a lock catch, which is an existing mature technology, so it is not drawn in the figure, and the side plates 12 are closed with the box body 1 through the lock catch, which will not be described here; a separation assembly is arranged in the box body 1, and the separation assembly is used for separating polylactic acid particles from water, and the separation assembly comprises a drive motor 2, a transmission plate 3 and a plurality of filter cartridges 4; the drive motor 2 is arranged at the top of the box body 1 and fixedly connected with the box body 1; the transmission plate 3 is arranged at the top of the box body 1 and rotatably connected with the box body 1; each filter cartridge 4 is arranged between the box body 1 and the transmission plate 3; the top of each filter cartridge 4 is fixedly connected with the transmission plate 3; and the bottom end of the top of each filter cartridge 4 is movably connected with the box body 1; when the filter cartridge 4 moves, polylactic acid particles and water are stirred; the filter cartridge 4 forms vortex flow by stirring; the polylactic acid particles deposited on the movable plate 32 are accumulated at the corners of the box body 1 due to the conical shape of the movable plate 32; and the vortex flow formed by the movement of the filter cartridge 4 rolls up the polylactic acid particles, so that the polylactic acid particles accumulated at the corners of the box body 1 are not cooled and adhered.

[0030] In the above, the inside of each filter cartridge 4 is provided with a flow guide block 41 and a flow guide rod 42; the corresponding flow guide block 41 is fixedly connected with the inner wall of the filter cartridge 4; the top of each flow guide rod 42 is fixedly connected with the transmission plate 3; the flow guide block 41 is helical as a whole; the water in the box body 1 is filtered out by the filter cartridge 4; the water entering the filter cartridge 4 moves along the helix of the flow guide block 41 and forms downward vortex flow due to the influence of gravity; the vortex flow between the filter cartridge 4 and the flow guide block 41 collides with the vortex flow formed by the movement of the filter cartridge 4; at the same time, the helical direction of the flow guide block 41 is the same as the moving direction of the filter cartridge 4, so as to increase the water flow speed between the filter cartridge 4 and the flow guide block 41; at the same time, the flow guide rod 42 guides the water in the filter cartridge 4, so as to avoid the accumulation of multiple vortex flows in the filter cartridge 4, so that the water is quickly discharged.

[0031] The outer wall of the box body 1 is fixedly connected with a support 23, the support 23 is fixedly connected with the driving motor 2, the output end of the driving motor 2 is fixedly connected with a driving gear 21, the driving gear 21 is meshingly connected with a transmission gear 22, the transmission gear 22 is fixedly connected with the top of the transmission plate 3, the bottom end of the transmission plate 3 is provided with a supporting plate 31, the supporting plate 31 is fixedly connected with the inner wall of the box body 1, the transmission plate 3 is rotatably connected with the supporting plate 31, the transmission gear 22, the transmission plate 3 and the middle part of the supporting plate 31 are all provided with through holes, the through hole on the transmission plate 3 covers the filter cartridge 4, the through hole on the supporting plate 31 exposes the filter cartridge 4, the driving motor 2 starts to work, the driving motor 2 drives the driving gear 21 to rotate through the output shaft, the driving gear 21 meshes with the transmission gear 22, the transmission gear 22 is driven by the driving gear 21 to rotate and drives the transmission plate 3 to rotate, the transmission plate 3 rotates on the supporting plate 31, the transmission plate 3 drives the filter cartridge 4 to rotate in a circular motion, and the filter cartridge 4 stirs the polylactic acid particles and water when moving to form a vortex.

[0032] The bottom end of the box body 1 is provided with a movable plate 32, the movable plate 32 is rotatably connected with the bottom end of the box body 1, the bottom end of the filter cartridge 4 penetrates through the movable plate 32, the movable plate 32 is conical as a whole, the movable plate 32 is provided with a scraper 5, the scraper 5 is fixedly connected with the movable plate 32, the scraper 5 is composed of a plurality of plate blocks, the plate blocks are attached to the upper surface of the movable plate 32, the plate blocks composed of the movable plate 32 are attached to the wall surface of the box body 1, the plate blocks are arranged between each filter cartridge 4, the movable plate 32 moves along with the filter cartridge 4 when the filter cartridge 4 is stirred, the movable plate 32 drives the scraper 5, the vortex formed by the movement of the filter cartridge 4 and the scraper 5 rolls up the polylactic acid particles, avoids the polylactic acid particles from being accumulated in the corners of the box body 1 and being adhered before being cooled, the scraper 5 pushes the polylactic acid particles when moving, the polylactic acid particles are driven by the vortex and the pushing force of the scraper 5 and float in the box body 1, avoids the deposition of the polylactic acid particles from causing adhesion, after the water in the box body 1 is drained, the lock catch between the side plate 12 and the box body 1 is opened, the side plate 12 and the box body 1 are separated, at this time, the driving motor 2 is working, the polylactic acid particles are quickly thrown out due to the taper of the movable plate 32 and the centrifugal force generated when the movable plate 32 and the scraper 5 rotate, the polylactic acid particles in the corners of the box body 1 are pushed out by the scraper 5 when moving, so that the polylactic acid particles are quickly discharged and prevented from being missed in the box body 1.

[0033] Working principle: the human force sends polylactic acid particles and water into the box 1 from the transmission gear 22 and the through hole in the middle of the transmission plate 3, before that, the driving motor 2 starts to work, the driving motor 2 drives the driving gear 21 to rotate through the output shaft, the driving gear 21 is engaged with the transmission gear 22, the transmission gear 22 is driven by the driving gear 21 to rotate and drives the transmission plate 3 to rotate, the transmission plate 3 rotates on the support plate 31, the transmission plate 3 drives the filter cylinder 4 to rotate and follow the circular motion, the filter cylinder 4 moves to stir polylactic acid particles and water, the filter cylinder 4 forms vortex flow, the polylactic acid particles deposited on the movable plate 32 are accumulated in the corner of the box 1 due to the taper of the movable plate 32, the movable plate 32 moves along with the filter cylinder 4, the movable plate 32 drives the scraper 5, the vortex flow formed by the filter cylinder 4 and the scraper 5 moves to roll up the polylactic acid particles, avoids the polylactic acid particles from being accumulated in the corner of the box 1 and not being cooled and adhered, the scraper 5 moves to push the polylactic acid particles, the polylactic acid particles are driven by the vortex flow and the pushing force of the scraper 5 and float in the box 1, avoids the deposition of the polylactic acid particles to cause adhesion, meanwhile, the water in the box 1 is filtered out by the filter cylinder 4, the water in the filter cylinder 4 moves along the spiral of the flow guide block 41 and forms downward vortex flow due to the influence of gravity, the vortex flow between the filter cylinder 4 and the flow guide block 41 collides with the vortex flow formed by the movement of the filter cylinder 4, meanwhile, the spiral direction of the flow guide block 41 is the same as the moving direction of the filter cylinder 4, so that the water flow speed between the filter cylinder 4 and the flow guide block 41 is increased, meanwhile, the flow guide rod 42 guides the water in the filter cylinder 4, avoids multiple vortex flows from being accumulated in the filter cylinder 4 and causing the water to stay in the filter cylinder 4, quickly discharges the water, after the water in the box 1 is discharged, the lock buckle between the side plate 12 and the box 1 is opened, the side plate 12 and the box 1 are separated, at this time, the driving motor 2 is still working, the polylactic acid particles are quickly thrown out due to the taper of the movable plate 32 and the centrifugal force generated when the movable plate 32 and the scraper 5 rotate, the polylactic acid particles in the corner of the box 1 are pushed out by the scraper 5 when the scraper 5 moves, so that the polylactic acid particles are quickly discharged and prevented from being missed in the box 1.

[0034] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A solid-liquid screening apparatus, characterized by, Include: Box (1), box (1) is provided with a cavity, the bottom end of the box (1) is fixedly connected with the drain (11); Side plate (12), side plate (12) is symmetrically arranged at the bottom end of the box (1), and the side plate (12) is connected with the box (1) through the lock catch; Separation assembly, separation assembly is arranged in the box (1), separation assembly is used for separating polylactic acid particles from water, separation assembly includes drive motor (2), transmission plate (3) and a plurality of filter cartridges (4), drive motor (2) is arranged at the top of the box (1) and is fixedly connected with the box (1), transmission plate (3) is arranged at the top of the box (1) and is rotatably connected with the box (1), each filter cartridge (4) is arranged between the box (1) and the transmission plate (3), the top of each filter cartridge (4) is fixedly connected with the transmission plate (3), and the bottom end of the top of each filter cartridge (4) is movably connected with the box (1).

2. The solid-liquid screening apparatus according to claim 1, characterized in that, The inside of each filter cartridge (4) is provided with a flow guide block (41) and a flow guide rod (42), the corresponding flow guide block (41) is fixedly connected with the inner wall of the filter cartridge (4), the top of each flow guide rod (42) is fixedly connected with the transmission plate (3), and the flow guide block (41) is helical as a whole.

3. The solid-liquid screening apparatus according to claim 1, characterized in that, The outer wall of the box (1) is fixedly connected with the bracket (23), the bracket (23) is fixedly connected with the drive motor (2), the output end of the drive motor (2) is fixedly connected with the drive gear (21), and the drive gear (21) is meshed with the transmission gear (22).

4. The solid-liquid screening apparatus according to claim 3, characterized in that, The transmission gear (22) is fixedly connected with the top of the transmission plate (3), the bottom end of the transmission plate (3) is provided with a support plate (31), the support plate (31) is fixedly connected with the inner wall of the box (1), and the transmission plate (3) is rotatably connected with the support plate (31).

5. The solid-liquid screening apparatus according to claim 4, characterized in that, The middle part of the transmission gear (22), the transmission plate (3) and the support plate (31) is provided with a through hole, the size of the through hole on the transmission gear (22) and the transmission plate (3) covers the filter cartridge (4), and the size of the through hole on the support plate (31) exposes the filter cartridge (4) externally.

6. The solid-liquid screening apparatus of claim 1, wherein, The bottom end of the box (1) is provided with a movable plate (32), the movable plate (32) is rotatably connected with the bottom end of the box (1), the bottom end of the filter cartridge (4) penetrates the movable plate (32), and the movable plate (32) is conical as a whole.

7. The solid-liquid screening apparatus according to claim 6, characterized in that, The movable plate (32) is provided with a scraper (5), the scraper (5) is fixedly connected with the movable plate (32), the scraper (5) is composed of a plurality of plate blocks, and the plate blocks are attached to the upper surface of the movable plate (32).

8. The solid-liquid screening apparatus according to claim 7, characterized in that, The plate block end of the movable plate (32) is attached to the wall surface of the box (1), and the plate block is arranged between each filter cartridge (4).

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