Automatic extraction device for detection pretreatment of heavy metals in solid wastes

Abstract

The utility model relates to the field of extraction of heavy metals in solid wastes, and discloses an automatic extraction device for detection pretreatment of heavy metals in solid wastes, which comprises a box body I and a box body II, a filter box is slidably connected to the top of the front end of the box body II, and a motor IV is fixedly connected to the middle of the front end of the filter box; a stirring rod is fixedly connected to the output end of the fourth motor, a centrifugal box is slidably connected to the bottom of the second box body, a clamping block is clamped to the top of the centrifugal box, a fifth motor is fixedly connected to the bottom end of the interior of the centrifugal box, a rotating disc is fixedly connected to the output end of the fifth motor, and a filter barrel is rotationally connected to the inner wall of the clamping block. According to the device disclosed by the utility model, under the mutual matching of the box body II, the filter box, the centrifugal box, the turntable, the filter barrel and the clamping block, the loading and unloading of an extraction part are realized, the time and labor force required by maintenance and cleaning are reduced, and meanwhile, extracted heavy metals and waste residues can be taken out together after the extraction is completed, so that the waiting time of the next batch is reduced.

Description

Technical Field

[0001] The utility model relates to the field of heavy metal extraction in solid waste, in particular to an automatic extraction device for heavy metal pre-detection treatment in solid waste. Background Art

[0002] As global resources become increasingly scarce, it is becoming increasingly important to recover valuable metal resources from solid waste. Through extraction technology, metals such as copper, lead, zinc, nickel, and cobalt can be extracted from solid waste. These metals are important in industrial production. If these heavy metals are directly discharged into the environment without treatment, they will cause serious pollution to the soil, water sources, and ecosystems.

[0003] After extraction, common extraction devices cannot easily remove the extraction components, which will delay the extraction progress of the next batch, increase the downtime during the extraction process, and ultimately affect the overall production efficiency. At the same time, solid waste can only be crushed once. If the crushing is not thorough, some heavy metals will not be effectively extracted, reducing the resource recovery rate. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides an automatic extraction device for heavy metal detection pretreatment in solid waste, aiming to improve the problems in the prior art that it is inconvenient to remove the extraction component and the solid waste cannot be repeatedly crushed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic extraction device for pre-treatment of heavy metal detection in solid waste, comprising a box body one and a box body two, the box body one is arranged on the left side of the box body two, a filter box is slidably connected to the top of the front end of the box body two, a motor four is fixedly connected to the middle of the front end of the filter box, a stirring rod is fixedly connected to the inner wall of the filter box, a sliding block is fixedly connected to the inner wall of the sliding block, a blocking net is fixedly connected to the front bottom of the filter box, a slide plate is slidably connected to the bottom of the front end, a centrifugal box is slidably connected to the bottom of the box body two, a locking block is engaged with the top of the centrifugal box, a motor five is fixedly connected to the bottom end of the centrifugal box, a turntable is fixedly connected to the output end of the motor five, a filter barrel is rotatably connected to the inner wall of the locking block, the filter barrel is engaged with the top of the turntable, and a locking assembly is provided at the top of the front end of the slide plate.

[0006] As a further description of the above technical solution:

[0007] The locking assembly includes a sliding rod and a fixed block, wherein the fixed block is fixedly connected to the middle and lower part of the front end of the filter box, the sliding rod is slidably connected to the middle part of the fixed block, a spring is arranged inside the fixed block, the spring abuts against the protrusion in the middle part of the sliding rod, and the sliding rod is locked at the front end of the top of the slide plate.

[0008] As a further description of the above technical solution:

[0009] The upper part of the inner wall of the box body is rotatably connected with left and right opposite crushing wheels, and the two crushing wheels are meshed with each other, the right side of the front end of the box body is fixedly connected with a motor 1, and the output end of the motor 1 is fixedly connected to the front end of the left crushing wheel, the bottom of the inner wall of the box body is rotatably connected with a cylinder, the middle and lower part of the interior of the box body is rotatably connected with a rotating shaft, the middle of the rotating shaft is fixedly connected with a rotating plate, and the cylinder is rotatably connected to the left side of the bottom of the rotating plate, the bottoms of the left and right ends of the box body are fixedly connected with feeding ports, the left side of the left feeding port is fixedly connected with a transmission cylinder 1, the top of the transmission cylinder is fixedly connected with a motor 2, and the output end of the motor 2 is fixedly connected with a cage 1, the top of the right side of the transmission cylinder is fixedly connected with a conveying port 1, the top of the box body is fixedly connected with a feeding port 1, and the conveying port 1 is fixedly connected to the left side of the feeding port 1.

[0010] As a further description of the above technical solution:

[0011] A transmission cylinder 2 is fixedly connected to the right side of the feeding port on the right side, a motor 3 is fixedly connected to the top of the transmission cylinder 2, a cage 2 is fixedly connected to the output end of the motor 3, a conveying port 2 is fixedly connected to the top of the right side of the transmission cylinder 2, a feeding port 2 is fixedly connected to the top of the box body 2, and the conveying port 2 is fixedly connected to the left side of the feeding port 2.

[0012] As a further description of the above technical solution:

[0013] The transmission cylinder 1 is arranged on the left side of the box body 1, and the transmission cylinder 2 is arranged between the box body 1 and the box body 2. The bottoms of the transmission cylinder 1, the box body 1, the transmission cylinder 2 and the box body 2 are fixedly connected with a bottom plate, and the bottom of the bottom plate is fixedly connected with uniformly distributed universal wheels.

[0014] As a further description of the above technical solution:

[0015] The opposite surfaces of the two feeding ports are fixedly connected with limiting plates, and the rotating plate abuts against the top of one of the limiting plates.

[0016] As a further description of the above technical solution:

[0017] The middle parts of the two inner walls of the box body are fixedly connected with left and right opposite fixing strips, the filter box is against the top of the two fixing strips, and the locking block is arranged between the two fixing strips.

[0018] As a further description of the above technical solution:

[0019] The front end of the centrifugal box is fixedly connected with a drainage pipe.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the loading and unloading of the extraction parts is realized through the cooperation of the box body 2, the filter box, the centrifugal box, the turntable, the filter barrel and the snap block, which reduces the time and labor required for maintenance and cleaning. At the same time, after the extraction is completed, the extracted heavy metals and waste residues can be taken out together, which reduces the waiting time for the next batch.

[0022] 2. In the utility model, the solid waste is repeatedly crushed by the cooperation of the rotating plate, the feeding port, the transmission cylinder, the cage, the conveying port and the crushing wheel, ensuring that the solid waste is crushed to a smaller particle size, increasing the contact area with the extractant, making it easier to extract heavy metals and improving the recovery rate of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional schematic diagram of the automatic extraction device for pre-treatment of heavy metal detection in solid waste proposed by the utility model;

[0024] Figure 2 This is a structural schematic diagram of a box body 1 of the automatic extraction device for pre-treatment of heavy metal detection in solid waste proposed by the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the transmission cylinder 1 of the automatic extraction device for pre-treatment of heavy metal detection in solid waste proposed by the utility model;

[0026] Figure 4 This is a structural schematic diagram of the box body 2 of the automatic extraction device for pre-treatment of heavy metal detection in solid waste proposed by the utility model;

[0027] Figure 5 This is a schematic diagram of the structure of the filter box of the automatic extraction device for pre-treatment of heavy metal detection in solid waste proposed by the utility model;

[0028] Figure 6 This is a structural schematic diagram of a centrifuge box of the automatic extraction device for pre-treatment of heavy metal detection in solid waste proposed by the utility model;

[0029] Figure 7 for Figure 5 Enlarged view of point A in the middle.

[0030] Legend:

[0031] 1. Box body 1; 2. Motor 1; 3. Cylinder; 4. Rotating plate; 5. Rotating shaft; 6. Feeding port; 7. Transmission cylinder 1; 8. Motor 2; 9. Cage 1; 10. Conveying port 1; 11. Feeding port 1; 12. Crushing wheel; 13. Transmission cylinder 2; 14. Cage 2; 15. Motor 3; 16. Conveying port 2; 17. Box body 2; 18. Filter box; 19. Centrifugal box; 20. Feeding port 2; 21. Motor 4; 22. Slide plate; 23. Stirring rod; 24. Sliding block; 25. Blocking net; 26. Motor 5; 27. Turntable; 28. Drain pipe; 29. ​​Sliding rod; 30. Fixed block; 31. Spring; 32. Fixed bar; 33. Bottom plate; 34. Universal wheel; 35. Limiting plate; 36. Filter barrel; 37. Clamping block. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 4 - Figure 6 The utility model provides an embodiment: an automatic extraction device for pre-treatment of heavy metal detection in solid waste, comprising a box body 1 and a box body 2 17, the box body 1 1 is arranged on the left side of the box body 2 17, a filter box 18 is slidably connected to the top of the front end of the box body 2 17, a motor 4 21 is fixedly connected to the middle of the front end of the filter box 18, a stirring rod 23 is fixedly connected to the output end of the motor 4 21, a sliding block 24 is fixedly connected to the inner wall of the filter box 18, a blocking net 25 is fixedly connected to the inner wall of the sliding block 24, a slide plate 22 is slidably connected to the bottom of the front end of the filter box 18, and a sliding plate 22 is slidably connected to the bottom of the box body 2 17 A centrifugal box 19 is connected, a locking block 37 is engaged on the top of the centrifugal box 19, a motor 5 26 is fixedly connected to the bottom end of the inside of the centrifugal box 19, a turntable 27 is fixedly connected to the output end of the motor 5 26, a filter barrel 36 is rotatably connected to the inner wall of the locking block 37, the filter barrel 36 is engaged on the top of the turntable 27, a locking assembly is provided on the top of the front end of the slide plate 22, a feeding port 20 is fixedly connected to the top of the box body 17, and fixed strips 32 opposite to each other are fixedly connected to the middle of the inner wall of the box body 17, the filter box 18 is against the top of the two fixed strips 32, and the sliding block 24 is provided between the two locking blocks 37.

[0034] The solid waste is introduced into the filter box 18 through the feeding port 20, and then the acidic solution is poured in through the feeding port 20. The motor 4 21 is started to rotate the stirring rod 23 in the filter box 18 to mix the solid waste and the acidic solution to dissolve the metal ions. After the mixture is evenly mixed, the handle in front of the slide plate 22 is held and pulled out, so that the solution containing metal ions in the filter box 18 flows downward through the sliding block 24. The sliding block 24 is used to prevent liquid from remaining in the corners. The solid residue is blocked by the blocking net 25, and the downward flowing solution will enter the filter barrel 36 in the centrifugal box 19. A filter bag can be put on the blocking net 25 in advance. After these solutions are loaded, the motor five 26 is started to make the turntable 27 drive the barrier net 25 to perform centrifugal extraction in the centrifugal box 19, and the liquid centrifuged in the centrifugal box 19 is discharged through the drain pipe 28. After the extraction is completed, hold the handle at the front end of the centrifugal box 19 and pull it out from the bottom of the front end of the box body two 17, the locking block 37 moves upward to leave the pulled centrifugal box 19, and the filter barrel 36 will also leave the locked turntable 27, and the filter bag can be taken out of the filter barrel 36 for collection, hold the handle at the front end of the filter box 18 and pull it out from the top of the front end of the box body two 17, so as to facilitate overall cleaning, and the filter box 18 can be supported as a whole by two fixing bars 32.

[0035] Reference Figure 7 and Figure 5 The locking assembly includes a sliding rod 29 and a fixed block 30. The fixed block 30 is fixedly connected to the middle and lower part of the front end of the filter box 18. The sliding rod 29 is slidably connected to the middle part of the fixed block 30. A spring 31 is arranged inside the fixed block 30. The spring 31 abuts against the convex block in the middle part of the sliding rod 29. The sliding rod 29 is locked at the front end of the top of the slide plate 22.

[0036] Hold the sliding rod 29 and slide it upwards. At this time, slide the slide plate 22 into the filter box 18, then release the sliding rod 29, and the spring 31 will rebound to the protrusion in the middle of the sliding rod 29, and slide the sliding rod 29 downward in the fixing block 30 and engage it on the top of the front end of the slide plate 22 to stabilize the connection between the filter box 18 and the slide plate 22.

[0037] Reference Figure 1 - Figure 3The upper part of the inner wall of the box body 1 is rotatably connected with the left and right opposite crushing wheels 12, and the two crushing wheels 12 are meshed and connected with each other. The right side of the front end of the box body 1 is fixedly connected with a motor 2, and the output end of the motor 2 is fixedly connected to the front end of the left crushing wheel 12. The bottom of the inner wall of the box body 1 is rotatably connected with a cylinder 3. The middle and lower part of the box body 1 is rotatably connected with a rotating shaft 5, and the middle part of the rotating shaft 5 is fixedly connected with a rotating plate 4. The cylinder 3 is rotatably connected to the left side of the bottom of the rotating plate 4. The bottoms of the left and right ends of the box body 1 are fixedly connected with feeding ports 6, and the left side of the left feeding port 6 is fixedly connected with a transmission cylinder 7. The top of the transmission cylinder 7 is fixedly connected with a motor 2 8, and the output end of the motor 2 8 is fixedly connected with a cage 1 9. A conveying port 10 is fixedly connected to the top right side of a conveying cylinder 7. A feeding port 11 is fixedly connected to the top of a box body 1. The conveying port 10 is fixedly connected to the left side of the feeding port 11. A conveying cylinder 2 13 is fixedly connected to the right side of a right feeding port 6. A motor 3 15 is fixedly connected to the top of the conveying cylinder 2 13. A cage 2 14 is fixedly connected to the output end of the motor 3 15. A conveying port 2 16 is fixedly connected to the top right side of the conveying cylinder 2 13. The conveying port 2 16 is fixedly connected to the left side of the feeding port 20. The opposite surfaces of the two feeding ports 6 are fixedly connected to limit plates 35. The rotating plate 4 rests on the top of one of the limit plates 35. A drain pipe 28 is fixedly connected to the front end of the centrifugal box 19.

[0038] Solid waste is put into the box body 1 through the feeding port 11, the motor 2 is started to drive the right crushing wheel 12 to rotate, the right crushing wheel 12 engages with the left crushing wheel 12 to squeeze and crush the solid waste, the cylinder 3 is started to extend to rotate the rotating plate 4 counterclockwise through the rotating shaft 5 and press against the left limit plate 35, the crushed solid waste is put into the left feeding port 6 and then passed into the transmission cylinder 7, the motor 28 is started to drive the cage 9 to rotate, the crushed solid waste inside is driven up and passed into The solid waste is then fed into the conveying port 10 and finally re-entered into the box body 1 through the feeding port 11 for cyclic crushing. After being completely crushed, the cylinder 3 is started to contract so that the rotating plate 4 rotates clockwise through the rotating shaft 5 and abuts against the limit plate 35 on the right, and the crushed solid waste is passed into the transmission cylinder 2 13 through the feeding port 6 on the right. The motor 3 15 is started so that the cage 2 14 drives the crushed solid waste up and passes it into the feeding port 2 20 through the conveying port 2 16, and finally is put into the filter box 18 in the box body 2 17 for extraction.

[0039] Reference Figure 1 - Figure 2 The transmission cylinder 1 7 is arranged on the left side of the box body 1, the transmission cylinder 2 13 is arranged between the box body 1 and the box body 2 17, and the bottom of the transmission cylinder 1 7, the box body 1, the transmission cylinder 2 13 and the box body 2 17 are fixedly connected with a bottom plate 33, and the bottom of the bottom plate 33 is fixedly connected with uniformly distributed universal wheels 34.

[0040] The plurality of universal wheels 34 facilitates the movement or transportation of the entire device.

[0041] Working principle: When in use, solid waste is put into the box body 1 through the feeding port 11, the motor 2 is started to make the two crushing wheels 12 mesh with each other and squeeze and crush the put-in solid waste, the cylinder 3 is started to extend to drive the rotating plate 4 to rotate counterclockwise and put the crushed solid waste into the feeding port 6 on the left and then pass it into the transmission tube 7, the motor 2 8 is started to drive the cage 9 to rotate, drive the internal crushed solid waste up and pass it into the feeding port 11 through the conveying port 10, and put it into the box body 1 again for cyclic crushing, after the cyclic crushing, the cylinder 3 is started again to contract to make the rotating plate 4 rotate clockwise and pass these crushed solid wastes into the transmission tube 2 13 through the feeding port 6 on the right, the motor 3 is started to make the cage 2 14 drive these cyclically crushed solid wastes upward through the conveying port 2 16 and pass them into the feeding port 2 20, and finally put them into the filter box 18 in the box body 2 17, and then pour them into the filter box 18 through the feeding port 20. Acidic solution, start motor four 21 to rotate the stirring rod 23, mix the solid waste and the acidic solution and promote the dissolution of metal ions in the solid waste, hold the handle in front of the slide plate 22 after mixing and dissolving, and draw it out, so that the solution containing metal ions in the filter box 18 flows downward through the sliding block 24 and enters the filter barrel 36, and the solid residue is blocked by the blocking net 25. The filter bag can be put in the filter barrel 36 in advance to hold these solutions, start motor five 26 to make the turntable 27 drive the filter barrel 36 to perform centrifugal extraction in the centrifugal box 19, during which the liquid centrifuged in the centrifugal box 19 is discharged through the drain pipe 28. After the extraction is completed, the centrifugal box 19 is drawn out from the front of the box body 17, and the locking block 37 moves upward to leave the pulled centrifugal box 19. At this time, the filter barrel 36 will also leave the locked turntable 27, and the filter bag together with the extracted heavy metals can be taken out from the filter barrel 36 for storage, and the filter box 18 is drawn out from the box body 17 to clean the internal solid residue.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic extraction device for pre-treatment of heavy metals in solid waste, comprising a first box (1) and a second box (17), characterized in that: The box body 1 (1) is arranged on the left side of the box body 2 (17); the top of the front end of the box body 2 (17) is slidably connected to a filter box (18); the middle of the front end of the filter box (18) is fixedly connected to a motor 4 (21); the output end of the motor 4 (21) is fixedly connected to a stirring rod (23); the inner wall of the filter box (18) is fixedly connected to a sliding block (24); the inner wall of the sliding block (24) is fixedly connected to a blocking net (25); the bottom of the front end of the filter box (18) is slidably connected to a sliding block (24); The bottom of the box body (17) is slidably connected to a centrifugal box (19), the top of the centrifugal box (19) is engaged with a locking block (37), the bottom of the inside of the centrifugal box (19) is fixedly connected to a motor (26), the output end of the motor (26) is fixedly connected to a turntable (27), the inner wall of the locking block (37) is rotatably connected to a filter barrel (36), the filter barrel (36) is engaged with the top of the turntable (27), and a locking assembly is arranged at the top of the front end of the slide plate (22).

2. The automatic extraction device for heavy metal detection pretreatment in solid waste according to claim 1, characterized in that: The engaging assembly comprises a sliding rod (29) and a fixed block (30), wherein the fixed block (30) is fixedly connected to the middle and lower part of the front end of the filter box (18), and the sliding rod (29) is slidably connected to the middle part of the fixed block (30). A spring (31) is arranged inside the fixed block (30), and the spring (31) abuts against a protrusion in the middle part of the sliding rod (29). The sliding rod (29) is engaged with the front end of the top of the slide plate (22).

3. The automatic extraction device for heavy metal detection pretreatment in solid waste according to claim 1, characterized in that: The upper part of the inner wall of the box body (1) is rotatably connected to the crushing wheels (12) opposite to each other on the left and right, and the two crushing wheels (12) are meshed and connected to each other. The right side of the front end of the box body (1) is fixedly connected to the motor (2), and the output end of the motor (2) is fixedly connected to the front end of the left crushing wheel (12). The bottom of the inner wall of the box body (1) is rotatably connected to the cylinder (3). The middle and lower part of the box body (1) is rotatably connected to the shaft (5), and the middle part of the shaft (5) is fixedly connected to the rotating plate (4), and the cylinder (3) is rotatably connected to the rotating plate. (4) On the left side of the bottom, the bottoms of the left and right ends of the box body 1 (1) are fixedly connected with feeding ports (6), the left side of the feeding port (6) on the left side is fixedly connected with a transmission cylinder 1 (7), the top of the transmission cylinder 1 (7) is fixedly connected with a motor 2 (8), the output end of the motor 2 (8) is fixedly connected with a cage 1 (9), the top of the right side of the transmission cylinder 1 (7) is fixedly connected with a conveying port 1 (10), the top of the box body 1 (1) is fixedly connected with a feeding port 1 (11), and the conveying port 1 (10) is fixedly connected to the left side of the feeding port 1 (11).

4. The automatic extraction device for heavy metal detection pretreatment in solid waste according to claim 3, characterized in that: The right side of the feeding port (6) on the right side is fixedly connected with a transmission cylinder 2 (13), the top of the transmission cylinder 2 (13) is fixedly connected with a motor 3 (15), the output end of the motor 3 (15) is fixedly connected with a cage 2 (14), the top of the right side of the transmission cylinder 2 (13) is fixedly connected with a conveying port 2 (16), the top of the box body 2 (17) is fixedly connected with a feeding port 2 (20), and the conveying port 2 (16) is fixedly connected to the left side of the feeding port 2 (20).

5. The automatic extraction device for pre-treatment of heavy metal detection in solid waste according to claim 4, characterized in that: The transmission cylinder 1 (7) is arranged on the left side of the box body 1 (1), and the transmission cylinder 2 (13) is arranged between the box body 1 (1) and the box body 2 (17). The bottoms of the transmission cylinder 1 (7), the box body 1 (1), the transmission cylinder 2 (13) and the box body 2 (17) are fixedly connected with a bottom plate (33), and the bottom of the bottom plate (33) is fixedly connected with uniformly distributed universal wheels (34).

6. The automatic extraction device for heavy metal detection pretreatment in solid waste according to claim 3, characterized in that: The opposing surfaces of the two feeding ports (6) are fixedly connected to limit plates (35), and the rotating plate (4) abuts against the top of one of the limit plates (35).

7. The automatic extraction device for heavy metal detection pretreatment in solid waste according to claim 1, characterized in that: The middle part of the inner wall of the second box body (17) is fixedly connected with left and right opposite fixing strips (32), the filter box (18) is against the top of the two fixing strips (32), and the locking block (37) is arranged between the two fixing strips (32).

8. The automatic extraction device for heavy metal detection pretreatment in solid waste according to claim 1, characterized in that: The front end of the centrifugal box (19) is fixedly connected with a drainage pipe (28).

Images