Solid-liquid separation sieve

Abstract

The utility model relates to the technical field of solid-liquid separation, in particular to a solid-liquid separation sieve which is convenient to clean solid particles, improves the separation effect and is convenient to use. Comprising a case and a plurality of supporting legs, the supporting legs are fixedly installed at the four corners of the bottom end of the case respectively, and friction pads are arranged at the bottoms of the supporting legs; the screening plate is fixedly installed on the inner wall of the middle of the machine box, the middle of the screening plate is arranged to be in an arc shape, the left end and the right end of the screening plate are symmetrically arranged to be inclined, the vibrators are installed at the left end and the right end of the bottom of the screening plate, and the feeding mechanism is installed at the top end of the machine box; the extrusion mechanism is installed in the case above the middle of the sieve plate, the cleaning mechanisms are installed on the outer walls of the left and right ends of the case, the output ends of the cleaning mechanisms are located at the tops of the left and right ends of the sieve plate, the air exhaust mechanism is installed on the rear side wall of the case, and the input end of the air exhaust mechanism is communicated with the interior of the case below the sieve plate.

Description

Technical Field

[0001] The utility model relates to the technical field of solid-liquid separation, in particular to a solid-liquid separation screen. Background Art

[0002] The solid-liquid separation vibrating screen is mainly suitable for the screening of slurry and mucus, solid-liquid separation, and can also be used for the screening of dry powder materials. When performing solid-liquid separation, solid particles will remain on the screen and liquid will flow down from the screen. A slurry vibrating screen proposed by prior art publication number CN202590474U includes a slurry vibrating screen, a disc tray is installed between the base and the screen frame, a motor mounting plate is welded and fixed at the bottom of the butterfly tray, a motor protective cover is welded inside the tray, a discharge pipe is led out at the bottom of the tray, and at least four spring connection frames are installed on the outer wall of the disc tray. Reinforced ribs are connected between the discharge pipe and the outer wall of the disc tray. A guide cover is provided at the bottom of the disc tray. However, when performing solid-liquid separation, some particles may be stuck in the mesh. When cleaning the solid particles after screening, the particles stuck in the mesh also need to be cleaned, which makes the cleaning of the screened solid particles very troublesome. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a solid-liquid separation screen which is convenient for cleaning solid particles, improves separation effect and is easy to use.

[0004] The utility model discloses a solid-liquid separation screen, comprising a chassis and a plurality of legs, wherein the legs are fixedly mounted at the four corners of the bottom end of the chassis, and friction pads are arranged at the bottoms of the legs; the utility model also comprises a sieve plate, a plurality of vibrators, a feeding mechanism, an extrusion mechanism, a cleaning mechanism and an air extraction mechanism, wherein the sieve plate is fixedly mounted on the middle inner wall of the chassis, the middle part of the sieve plate is arranged in an arc shape, and the left and right ends are symmetrically arranged in an inclined shape, the left and right ends of the bottom of the sieve plate are equipped with vibrators, the feeding mechanism is mounted on the top end of the chassis, the extrusion mechanism is mounted on the inside of the chassis above the middle part of the sieve plate, the cleaning mechanism is mounted on the left and right outer walls of the chassis, and the output end of the cleaning mechanism is located at the sieve plate At the top of the left and right ends, the vacuum mechanism is installed on the rear side wall of the chassis, and the input end of the vacuum mechanism is connected with the interior of the chassis below the sieve plate; the mixture is evenly input into the chassis through the feeding mechanism, so that the mixture falls evenly onto the sieve plate, the sieve plate is driven to vibrate by the vibrator, and the lower part of the sieve plate is vacuumed through the vacuum assembly to generate negative pressure in the lower part of the chassis, and the solid-liquid mixture is separated under the action of the sieve plate, the liquid flows into the lower side, and the solid particles remain on the sieve plate. At this time, the cleaning mechanism pushes the solid particles on the sieve plate to the middle for cleaning, and the solid particles are further squeezed and dehydrated by the extrusion mechanism, thereby improving the separation effect, facilitating cleaning, and improving practicality.

[0005] Preferably, the feeding mechanism includes a feed box, multiple fixing bolts, a feed hopper, a rotating shaft, multiple dividing plates, a servo motor and two triangular guide rods, multiple fixing screw holes are opened at the left and right ends of the top of the feed box, the bottom of the feed box is detachably mounted on the top of the chassis by multiple fixing bolts, the upper part of the feed box is arranged in an arc shape, the top input end of the feed box is connected with the feed hopper, the rotating shaft is rotatably mounted inside the feed box, multiple dividing plates are evenly and fixedly mounted on the outer wall of the rotating shaft, the dividing plates are in sliding contact with the upper arc-shaped inner wall of the feed box, the rear part of the rotating shaft passes through the feed box and is connected with the output end of the servo motor, and the two triangular guide rods are fixedly mounted on the left and right ends of the upper inner wall of the chassis; the mixture is added into the feed hopper, the servo motor is started to drive the rotating shaft to rotate, the rotating shaft drives the dividing plates to rotate, and the mixture is transported downward, so that the mixture is quantitatively separated, the separation effect is improved, and the fallen material is evenly distributed above the screen plate under the guidance of the triangular guide rods, thereby improving the separation efficiency.

[0006] Preferably, the cleaning mechanism comprises two mounting plates, two groups of telescopic cylinders and two cleaning plates, the two mounting plates are obliquely mounted on the left and right outer walls of the chassis, the two groups of telescopic cylinders are fixedly mounted on the top of the mounting plates, the telescopic ends of the telescopic cylinders are sealed to penetrate the side walls of the chassis, the two cleaning plates are slidably mounted on the left and right ends of the top of the sieve plate, the cleaning plates are connected to the telescopic ends of the telescopic cylinders, a cleaning brush is fixedly mounted on one side of the lower part of the cleaning plates, and an inclined scraper is arranged on the other side, and the cross-section of the inclined scraper is triangular; after the separation is completed, the telescopic cylinder is started, and the telescopic cylinder pushes the cleaning plate to move on the top of the sieve plate, and the cleaning brush at the bottom of the cleaning plate can clean up the solid particles separated on the sieve plate, and when some particles are stuck on the mesh of the sieve plate, the inclined scraper with a triangular cross-section on the cleaning plate can scrape off some of the particles stuck in the mesh of the sieve plate, and then the cleaning brush can clean them and push them toward the middle, which is convenient for cleaning the particles and improves convenience.

[0007] Preferably, the extrusion mechanism includes a second rotating shaft, a spiral conveying blade, a driving motor, a motor bracket, a discharge pipe and a discharge valve. The second rotating shaft is rotatably installed inside the chassis, and a spiral conveying blade is installed on the outer wall of the second rotating shaft. The outer edge of the spiral conveying blade is slidingly matched with the arc-shaped middle part of the sieve plate. The input end of the second rotating shaft passes through the side wall of the chassis and is connected to the output end of the driving motor. The driving motor is fixedly installed on the rear side wall of the chassis through the motor bracket. The front end of the chassis is connected to a discharge pipe at the same height as the middle part of the sieve plate, and a discharge valve is installed on the discharge pipe. The driving motor is started to drive the second rotating shaft to rotate, and the second rotating shaft drives the spiral conveying blade to rotate, pushing the solid particles forward for extrusion, further dehydrating, opening the discharge valve, and discharging the solid matter through the discharge pipe.

[0008] Preferably, the vacuum mechanism includes an vacuum pump, a tee, two vacuum pipes, multiple vacuum branches and two baffles. The vacuum pump is fixedly mounted on the rear wall of the chassis. The input end of the vacuum pump is connected to the tee. The left and right ends of the tee are connected to the vacuum pipe. Multiple vacuum branches are evenly mounted on the vacuum pipe. The vacuum branches are respectively fixedly mounted on the left and right side walls of the chassis. The input ends of the vacuum branches are located below the sieve plate. The baffles are respectively fixedly mounted on the left and right inner walls of the chassis. The vacuum pump is started to extract air from the inside of the chassis through the tee, the vacuum pipe and the vacuum branch to generate negative pressure inside the chassis, thereby accelerating the solid-liquid separation efficiency. The input end of the vacuum branch is protected by the baffle to prevent liquid from entering the vacuum pump and causing damage to the equipment.

[0009] Preferably, it also includes a drainage block, multiple drainage branches, a collecting pipe, a liquid outlet pipe and a liquid outlet valve. The drainage block is fixedly installed at the inner bottom end of the chassis, and multiple drainage branches are evenly installed on the collecting pipe. The drainage branch is fixedly installed at the lower left side wall of the chassis, and the input end of the drainage branch is connected to the interior of the chassis. The output end of the collecting pipe is connected to the liquid outlet valve, and the liquid outlet valve is installed with the liquid outlet pipe. After the liquid is separated, it will flow to the surface of the drainage block and slide downward along the drainage block. The liquid outlet pipe is opened and then input into the collecting pipe through the drainage branch pipe, and flows to the outside through the liquid outlet valve, so as to facilitate the liquid to flow down and avoid part of the liquid accumulating inside the chassis and being difficult to flow down.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the mixture is evenly fed into the chassis through the feeding mechanism, so that the mixture evenly falls onto the sieve plate, the sieve plate is driven to vibrate by the vibrator, and the lower part of the sieve plate is evacuated by the vacuum assembly to generate negative pressure in the lower part of the chassis, and the solid-liquid mixture is separated under the action of the sieve plate, the liquid flows into the lower side, and the solid particles remain on the sieve plate. At this time, the cleaning mechanism pushes the solid particles on the sieve plate to the middle for cleaning, and the solid particles are further squeezed and dehydrated by the extrusion mechanism, thereby improving the separation effect, facilitating cleaning, and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a right view structural schematic diagram of the utility model;

[0013] Figure 3 It is a rear view structural schematic diagram of the utility model;

[0014] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0015] Figure 5 It is a right side cross-sectional structural schematic diagram of the utility model;

[0016] Markings in the attached drawings: 1. chassis; 2. support legs; 3. screen plate; 4. vibrator; 5. feed box; 6. fixing bolts; 7. feed hopper; 8. rotating shaft; 9. dividing plate; 10. servo motor; 11. triangular guide rod; 12. mounting plate; 13. telescopic cylinder; 14. cleaning plate; 15. second rotating shaft; 16. spiral conveying blade; 17. driving motor; 18. motor bracket; 19. discharge pipe; 20. discharge valve; 21. vacuum pump; 22. three-way pipe; 23. vacuum pipe; 24. vacuum branch pipe; 25. baffle; 26. drainage block; 27. drainage branch pipe; 28. collecting pipe; 29. ​​liquid outlet pipe; 30. liquid outlet valve. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0018] like Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, legs 2 are fixedly installed at the four corners of the bottom end of the chassis 1, and friction pads are arranged at the bottom of the legs 2. The sieve plate 3 is fixedly installed on the middle inner wall of the chassis 1. The middle part of the sieve plate 3 is arranged in an arc shape, and the left and right ends are symmetrically arranged in an inclined shape. Vibrators 4 are installed on the left and right ends of the bottom of the sieve plate 3. A plurality of fixing screw holes are provided at the left and right ends of the top of the feed box 5. The bottom of the feed box 5 is detachably installed on the top of the chassis 1 through a plurality of fixing bolts 6. The upper part of the feed box 5 is arranged in an arc shape, and a feed hopper 7 is connected to the top input end of the feed box 5. A rotating shaft 8 is rotatably installed inside the feed box 5. A plurality of dividing plates 9 are evenly and fixedly installed on the outer wall of the rotating shaft 8. The dividing plates 9 are in sliding contact with the upper arc-shaped inner wall of the feed box 5. The rear part of the rotating shaft 8 passes through the feed box 5 and is connected to the output end of the servo motor 10. Two triangular guide rods 11 are fixedly installed on the machine At the left and right ends of the upper inner wall of the box 1, two mounting plates 12 are obliquely mounted on the left and right outer walls of the box 1, two sets of telescopic cylinders 13 are respectively fixedly mounted on the top of the mounting plates 12, and the telescopic ends of the telescopic cylinders 13 are sealed to penetrate the side walls of the box 1, and two cleaning plates 14 are respectively slidably mounted on the left and right ends of the top of the sieve plate 3, and the cleaning plates 14 are connected to the telescopic ends of the telescopic cylinders 13, and a cleaning brush is fixedly mounted on one side of the lower part of the cleaning plate 14, and an inclined scraper is arranged on the other side, and the cross section of the inclined scraper is triangular, and a drainage block 26 is fixedly mounted on the inner bottom end of the box 1, and a plurality of drainage branches 27 are evenly mounted on the liquid collecting pipe 28, and the drainage branch pipe 27 is fixedly mounted on the lower part of the left side wall of the box 1, and the input end of the drainage branch pipe 27 is connected to the inside of the box 1, and the output end of the liquid collecting pipe 28 is connected to a liquid outlet valve 30, and a liquid outlet pipe 29 is installed on the liquid outlet valve 30;

[0019] The mixture is added into the feed hopper 7, and the servo motor 10 is started to drive the rotating shaft 8 to rotate, and the rotating shaft 8 drives the dividing plate 9 to rotate, and the mixture is conveyed downward, so that the mixture is quantitatively separated and the separation effect is improved. The fallen materials are evenly distributed above the sieve plate 3 under the guidance of the triangular guide rod 11, so as to improve the separation efficiency. The mixture falls evenly onto the sieve plate 3, and the sieve plate 3 is driven to vibrate by the vibrator 4. After the separation is completed, the telescopic cylinder 13 is started, and the telescopic cylinder 13 pushes the cleaning plate 14 to move on the top of the sieve plate 3. The cleaning brush at the bottom of the cleaning plate 14 can remove the solid particles separated on the sieve plate 3 Clean it up. When some particles are stuck on the mesh of the sieve plate 3, the cross-section of the cleaning plate 14 is a triangular inclined scraper, which can scrape off some particles stuck in the mesh of the sieve plate 3 at the same time. Then the cleaning brush can clean it and push it toward the middle to facilitate the cleaning of the particles and improve convenience. After the liquid is separated, it will flow to the surface of the drainage block 26 and slide downward along the drainage block 26. The liquid outlet pipe 29 is opened and then input into the collecting pipe 28 through the drainage branch pipe 27, and flows to the outside through the liquid outlet valve 30, which is convenient for the liquid to flow down to avoid some liquid accumulating inside the chassis 1 and being difficult to flow down.

[0020] like Figure 3 and Figure 5 As shown, the second rotating shaft 15 is rotatably mounted inside the chassis 1, and a spiral conveying blade 16 is installed on the outer wall of the second rotating shaft 15. The outer edge of the spiral conveying blade 16 is slidably matched with the arc-shaped middle part of the sieve plate 3. The input end of the second rotating shaft 15 passes through the side wall of the chassis 1 and is connected to the output end of the driving motor 17. The driving motor 17 is fixedly mounted on the rear side wall of the chassis 1 through a motor bracket 18. The front end of the chassis 1 is connected to a discharge pipe 19 located at the same height as the middle part of the sieve plate 3. A discharge valve 20 is installed on the material pipe 19, and an air pump 21 is fixedly installed on the rear side wall of the chassis 1. The input end of the air pump 21 is connected to a three-way pipe 22, and the left and right ends of the three-way pipe 22 are connected to an air extraction pipe 23. A plurality of air extraction branch pipes 24 are evenly installed on the air extraction pipe 23, and the air extraction branch pipes 24 are respectively fixedly installed on the left and right side walls of the chassis 1. The input ends of the air extraction branch pipes 24 are located below the sieve plate 3, and the baffles 25 are respectively fixedly installed on the left and right inner walls of the chassis 1.

[0021] The drive motor 17 is started to drive the second rotating shaft 15 to rotate, and the second rotating shaft 15 drives the spiral conveying blade 16 to rotate, pushing and squeezing the solid particles forward for further dehydration, opening the discharge valve 20, and discharging the solid matter through the discharge pipe 19, and starting the vacuum pump 21, and extracting the inside of the chassis 1 through the three-way pipe 22, the vacuum pipe 23 and the vacuum branch pipe 24, so that a negative pressure is generated inside the chassis 1, and the solid-liquid separation efficiency is accelerated, and the input end of the vacuum branch pipe 24 is protected by the baffle 25 to prevent liquid from entering the vacuum pump 21 and causing equipment damage.

[0022] like Figures 1 to 5As shown, a solid-liquid separation screen of the utility model, when working, the mixture is added to the feed hopper 7, the servo motor 10 is started to drive the rotating shaft 8 to rotate, the rotating shaft 8 drives the dividing plate 9 to rotate, and the mixture is transported downward to make the mixture quantitatively separated, and the fallen materials are evenly distributed above the sieve plate 3 under the guidance of the triangular guide rod 11, and the mixture falls evenly onto the sieve plate 3, and the sieve plate 3 is driven to vibrate by the vibrator 4, and the vacuum pump 21 is started to extract the inside of the chassis 1 through the three-way pipe 22, the vacuum pipe 23 and the vacuum branch pipe 24, so that negative pressure is generated inside the chassis 1 to accelerate the solid-liquid separation efficiency, and the telescopic cylinder 13 is started after the separation is completed, and the telescopic cylinder 13 pushes the cleaning plate 14 to move on the top of the sieve plate 3, and the cleaning brush at the bottom of the cleaning plate 14 can be The solid particles separated from the sieve plate 3 are cleaned up. When some particles are stuck on the mesh of the sieve plate 3, the cross-section of the cleaning plate 14 is a triangular inclined scraper, which can scrape off some particles stuck in the mesh of the sieve plate 3 at the same time. Then the cleaning brush can clean it and push it toward the middle. The drive motor 17 is started to drive the second rotating shaft 15 to rotate. The second rotating shaft 15 drives the spiral conveying blade 16 to rotate, pushing the solid particles forward and squeezing them for further dehydration. The discharge valve 20 is opened, and the solid matter is discharged through the discharge pipe 19. After the liquid is separated, it will flow to the surface of the drainage block 26 and slide downward along the drainage block 26. The liquid discharge pipe 29 is opened and then input into the collecting pipe 28 through the drainage branch pipe 27, and flows to the outside through the liquid discharge valve 30.

[0023] The sieve plate 3, vibrator 4, servo motor 10, drive motor 17 and vacuum pump 21 of the solid-liquid separation screen of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.

[0024] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A solid-liquid separation screen, comprising a chassis (1) and a plurality of legs (2), wherein the legs (2) are fixedly mounted at the four corners of the bottom end of the chassis (1), and a friction pad is provided at the bottom of the legs (2); characterized in that: The invention also comprises a sieve plate (3), a plurality of vibrators (4), a feeding mechanism, an extrusion mechanism, a cleaning mechanism and an exhaust mechanism, wherein the sieve plate (3) is fixedly mounted on the middle inner wall of the chassis (1), the middle of the sieve plate (3) is arranged in an arc shape, and the left and right ends are symmetrically arranged in an inclined shape, the vibrators (4) are mounted on the left and right ends of the bottom of the sieve plate (3), the feeding mechanism is mounted on the top of the chassis (1), the extrusion mechanism is mounted inside the chassis (1) above the middle of the sieve plate (3), the cleaning mechanism is mounted on the left and right outer walls of the chassis (1), the output end of the cleaning mechanism is located at the top of the left and right ends of the sieve plate (3), the exhaust mechanism is mounted on the rear side wall of the chassis (1), and the input end of the exhaust mechanism is connected to the inside of the chassis (1) below the sieve plate (3).

2. A solid-liquid separation screen according to claim 1, characterized in that: The feeding mechanism comprises a feeding box (5), a plurality of fixing bolts (6), a feeding hopper (7), a rotating shaft (8), a plurality of dividing plates (9), a servo motor (10) and two triangular guide rods (11). The left and right ends of the top of the feeding box (5) are provided with a plurality of fixing screw holes. The bottom of the feeding box (5) is detachably mounted on the top of the chassis (1) by means of a plurality of fixing bolts (6). The upper part of the feeding box (5) is arranged in an arc shape. The top input end of the feeding box (5) is connected to the feeding hopper (7). The rotating shaft (8) is rotatably mounted inside the feeding box (5). A plurality of dividing plates (9) are evenly and fixedly mounted on the outer wall of the rotating shaft (8). The dividing plates (9) are in sliding contact with the upper arc-shaped inner wall of the feeding box (5). The rear part of the rotating shaft (8) passes through the feeding box (5) and is connected to the output end of the servo motor (10). The two triangular guide rods (11) are fixedly mounted on the left and right ends of the upper inner wall of the chassis (1).

3. A solid-liquid separation screen according to claim 1, characterized in that: The cleaning mechanism comprises two mounting plates (12), two sets of telescopic cylinders (13) and two cleaning plates (14). The two mounting plates (12) are obliquely mounted on the outer walls of the left and right ends of the chassis (1). The two sets of telescopic cylinders (13) are fixedly mounted on the top ends of the mounting plates (12), respectively. The telescopic ends of the telescopic cylinders (13) are sealed and penetrate the side walls of the chassis (1). The two cleaning plates (14) are slidably mounted on the left and right ends of the top of the sieve plate (3), respectively. The cleaning plates (14) are connected to the telescopic ends of the telescopic cylinders (13). A cleaning brush is fixedly mounted on one side of the lower part of the cleaning plate (14), and an inclined scraper is arranged on the other side. The cross section of the inclined scraper is triangular.

4. A solid-liquid separation screen according to claim 1, characterized in that: The extrusion mechanism comprises a second rotating shaft (15), a spiral conveying blade (16), a driving motor (17), a motor bracket (18), a discharge pipe (19) and a discharge valve (20). The second rotating shaft (15) is rotatably mounted inside the chassis (1). The spiral conveying blade (16) is mounted on the outer wall of the second rotating shaft (15). The outer edge of the spiral conveying blade (16) is slidably engaged with the arc-shaped middle part of the sieve plate (3). The input end of the second rotating shaft (15) passes through the side wall of the chassis (1) and is connected to the output end of the driving motor (17). The driving motor (17) is fixedly mounted on the rear side wall of the chassis (1) via the motor bracket (18). The front end of the chassis (1) is connected to the discharge pipe (19) located at the same height as the middle part of the sieve plate (3). The discharge pipe (19) is mounted with the discharge valve (20).

5. A solid-liquid separation screen according to claim 1, characterized in that: The air extraction mechanism comprises an air extraction pump (21), a three-way pipe (22), two air extraction pipes (23), a plurality of air extraction branch pipes (24) and two baffles (25). The air extraction pump (21) is fixedly mounted on the rear side wall of the chassis (1). The input end of the air extraction pump (21) is connected to the three-way pipe (22). The left and right ends of the three-way pipe (22) are connected to the air extraction pipe (23). A plurality of air extraction branch pipes (24) are evenly mounted on the air extraction pipe (23). The air extraction branch pipes (24) are respectively fixedly mounted on the left and right side walls of the chassis (1). The input ends of the air extraction branch pipes (24) are located below the sieve plate (3). The baffles (25) are respectively fixedly mounted on the left and right inner walls of the chassis (1).

6. A solid-liquid separation screen as claimed in claim 1, characterized in that: It also comprises a drainage block (26), a plurality of drainage branch pipes (27), a liquid collecting pipe (28), a liquid outlet pipe (29) and a liquid outlet valve (30), wherein the drainage block (26) is fixedly mounted on the bottom end of the interior of the chassis (1), a plurality of drainage branch pipes (27) are evenly mounted on the liquid collecting pipe (28), the drainage branch pipes (27) are fixedly mounted on the lower part of the left side wall of the chassis (1), and the input end of the drainage branch pipe (27) is in communication with the interior of the chassis (1), the output end of the liquid collecting pipe (28) is connected to the liquid outlet valve (30), and the liquid outlet pipe (29) is mounted on the liquid outlet valve (30).

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