A high-efficiency treatment device for hydrometallurgical wastewater and its treatment process

Abstract

The present invention belongs to the technical field of wastewater treatment, and discloses a high-efficiency device for treating hydrometallurgical wastewater and a treatment process thereof; the device comprises a treatment box, a side wall of the treatment box is connected and fixedly connected with a water inlet pipe, and a valve is installed on the water inlet pipe. The present invention provides a plug flow circulation component and an auxiliary sedimentation component, after the mixed liquid of wastewater and treatment agent is put into the treatment box, the first motor is started to drive the rotating blade to rotate, and the rotating blade can push the wastewater forward, so that the wastewater moves in the direction of the first inclined plate and the second inclined plate. Due to the effect of the partition plate, the wastewater forms a cycle in the treatment box, and the floccules and sediments in the wastewater are constantly in contact with the first inclined plate and the second inclined plate during the circulation process, thereby increasing the contact time and opportunity between the suspended matter and the inclined plate, which is conducive to the sedimentation of the suspended matter, and the plug flow circulation can also make the treatment agent and the wastewater fully mixed to prevent stratification due to static sedimentation.

Description

Technical Field

[0001] The present invention relates to the technical field of wastewater treatment, and more specifically, to a high-efficiency treatment device for hydrometallurgical wastewater and a treatment process thereof. Background Art

[0002] Hydrometallurgical wastewater refers to the wastewater produced when water is used as the reaction medium in the metallurgical industry. It generally contains high concentrations of acid, alkali, iron, arsenic and other chemical substances, as well as a small amount of heavy metal elements and harmful elements, such as magnesium, arsenic, etc. The wastewater contains a variety of harmful substances with high concentrations, so it is difficult to treat. In the process of treating this type of wastewater, special treatment equipment is usually required, and it is treated through special treatment processes.

[0003] Existing treatment devices usually include mixing equipment, sedimentation equipment and other equipment. The wastewater is placed in the mixing equipment, and relevant treatment agents are added into the wastewater to mix the treatment agent and the wastewater evenly. The treatment agent can convert harmful substances in the wastewater into flocs or precipitates. The wastewater containing flocs and precipitates is then sent to the sedimentation equipment to allow the flocs and precipitates to settle to the bottom of the sedimentation equipment. Finally, the remaining wastewater and precipitates are separated.

[0004] However, the current wastewater sedimentation equipment cannot make the flocs and sediments settle quickly, and the treatment agent and wastewater that have passed through the mixing equipment may not have completely reacted and combined with the wastewater, resulting in the incomplete generation of flocs and sediments by harmful substances. The current sedimentation equipment usually includes a box, which allows the wastewater to stand still in the box waiting for the flocs and sediments to settle naturally. Natural sedimentation results in low efficiency and slow time for flocs and sediments, and if it stands for a long time, the treatment agent and wastewater may not be able to effectively combine to produce sediment. Summary of the invention

[0005] The present invention aims to solve the problem in the background technology that the current wastewater sedimentation equipment cannot make flocs and precipitates settle quickly, and the treatment agent and wastewater passing through the mixing equipment may not have completely reacted and combined with the wastewater, resulting in incomplete generation of flocs and precipitates of harmful substances, and proposes a high-efficiency hydrometallurgical wastewater treatment device and its treatment process.

[0006] To achieve the above object, the present invention provides the following technical solution: a high-efficiency treatment device for hydrometallurgical wastewater, comprising a treatment box, a side wall of the treatment box is connected and fixedly connected with a water inlet pipe, a valve is installed on the water inlet pipe, and further comprising:

[0007] A plug flow circulation assembly is arranged in the treatment box, and is used to promote the circulation of wastewater in the treatment box. The plug flow circulation assembly includes a plurality of rotating blades and a partition fixed between the top inner wall and the bottom inner wall of the treatment box;

[0008] An auxiliary sedimentation component is arranged in the treatment box, and is used to quickly settle flocs and sediments in the wastewater. The auxiliary sedimentation component includes a plurality of first inclined plates and second inclined plates arranged in the treatment box, and the first and second inclined plates are used to quickly settle flocs and sediments in the wastewater.

[0009] Furthermore, the plug-flow circulation component also includes a first motor fixedly connected to a side wall of the processing box, the output shaft of the first motor is fixedly connected to a rotating head, and the plurality of rotating blades are fixedly connected to the rotating head. The partition is used to divide the interior of the processing box into two sedimentation areas, and the plurality of the first inclined plates and the second inclined plates are respectively located in the two sedimentation areas, and the plurality of rotating blades are located in one of the sedimentation areas. Both ends of the partition are not in contact with the inner walls of both sides of the processing box, and a water outlet cavity is opened in the partition, and both ends of the water outlet cavity are fixedly connected to filter screens, and the bottom of the processing box is fixedly connected to a water outlet shell connected to the water outlet cavity.

[0010] Furthermore, the auxiliary sedimentation assembly also includes a plurality of first fixed shafts and second fixed shafts arranged between the inner wall of the processing box and the side wall of the partition, and two first rotating blocks are fixedly connected to both ends of the plurality of first inclined plates and second inclined plates, and the plurality of first inclined plates and second inclined plates are respectively rotatably connected to the corresponding first fixed shafts and second fixed shafts through the first rotating blocks, and the plurality of first inclined plates and second inclined plates are each provided with a baffle, and the plurality of first inclined plates and second inclined plates form a wave shape.

[0011] Furthermore, the processing box is provided with an adjustment component for adjusting the angles of the first inclined plate and the second inclined plate, the adjustment component includes a second motor fixedly connected to the top of the processing box through a bracket, the output shaft of the second motor is fixedly connected to a gear, the top of the processing box is provided with two racks meshing with the gears, one end of the racks is fixedly connected to a connecting rod, one end of one of the first fixed shafts is fixedly connected to a fixed block, and one end of the other first fixed shafts is fixedly connected to a moving block, one end of the connecting rod is fixedly connected to one of the moving blocks, rectangular grooves are opened on the inner walls on both sides of the processing box, the fixed blocks are fixed in the rectangular grooves, and the moving blocks are slidably connected in the rectangular grooves.

[0012] The cam is connected to the bottom of the L-shaped plate to form a circle, and the bottom of the circle is connected to a plurality of connecting rods, and the bottom of the circle is connected to a plurality of connecting rods, and the bottom of the column is connected to a third fixed shaft located directly above the corresponding second fixed shaft. The processing box is provided with a plurality of fourth fixed shafts located directly above the corresponding first fixed shaft. The processing box is provided with a plurality of scraper rods, and both ends of the scraper rods are fixedly connected to the second rotating blocks, and the scraper rods are rotatably connected to the corresponding third fixed shaft and fourth fixed shaft through the second rotating blocks. The plurality of scraper rods are adapted to the first inclined plate and the second inclined plate in a wavy shape. The middle part of the third fixed shaft is slidably penetrated by a moving rod, and the bottom end of the moving rod is fixedly connected to a sliding block. The second fixed shaft is provided with a T-shaped sliding groove, and the moving rod and the sliding block are slidably connected in the corresponding T-shaped sliding groove.

[0013] Furthermore, a horizontal plate is provided on the top of the horizontal bar, two vertical rods are fixedly connected to the top of the horizontal plate, the top ends of the vertical rods are fixedly connected to a top plate, a second electric push rod is fixedly connected to the top of the processing box, an I-shaped rod is fixedly connected to the output end of the second electric push rod, and the I-shaped rod slides through the top plate.

[0014] Furthermore, a discharge assembly for discharging sludge is provided in the treatment box, and the discharge assembly includes two closing plates slidably inserted at the bottom of the partition, the top of the closing plate is fixedly connected to an elastic connecting rope, one end of the connecting rope is fixedly connected to the top of the vertical plate, the inner wall of the treatment box is fixedly connected to a guide wheel, the connecting rope passes around the guide wheel, a mud discharge cavity is provided between the partition and the closing plate, and the bottom of the treatment box is fixedly connected to a mud discharge shell connected to the mud discharge cavity.

[0015] Furthermore, the first inclined plate and the second inclined plate are both provided with slots, the inner wall of the slot is fixed with a spring, one end of the spring is fixed with a movable plate slidably connected in the slot, the movable plate is fixed to the bottom of the baffle, and the end of the baffle close to the scraper rod is provided with an inclined surface.

[0016] A high-efficiency process for treating hydrometallurgical wastewater comprises the following steps:

[0017] S1: Put the wastewater into the filter equipment, the screen in the filter equipment can remove large suspended particles in the wastewater;

[0018] S2: Put the wastewater filtered in S1 into the mixing equipment, add appropriate amount of neutralizer, precipitant and other treatment agents according to the wastewater composition and treatment requirements, and start the mixing equipment to fully mix the treatment agent and wastewater;

[0019] S3: The wastewater mixed evenly in S2 is put into the sedimentation equipment. The wastewater settles in the sedimentation equipment for a period of time. The sediment settles on the first inclined plate and the second inclined plate. After the sedimentation is completed, the upper layer of clear water is first discharged, and then the settled sludge is scraped out of the equipment;

[0020] S4: The sludge in S3 is further filtered and dried to obtain dry sediment blocks for easy storage, and the upper clear water in S3 is filtered and disinfected to meet the discharge standards or reuse requirements.

[0021] The technical effects and advantages of the high-efficiency hydrometallurgical wastewater treatment device and the treatment process thereof of the present invention are as follows:

[0022] (1) By setting a plug flow circulation component and an auxiliary sedimentation component, after the mixed liquid of wastewater and treatment agent is put into the treatment box, the first motor is started to drive the rotating head to rotate, and the rotating head drives the rotating blades to rotate. The rotating blades can push the wastewater forward, so that the wastewater moves in the direction of the first inclined plate and the second inclined plate. Due to the effect of the partition, the liquid movement directions in the sedimentation areas on both sides of the partition are opposite, so that the wastewater forms a circulation in the treatment box. The floccules and sediments in the wastewater continuously contact the first inclined plate and the second inclined plate during the circulation process, thereby increasing the contact time and opportunity of the suspended matter with the inclined plate, which is beneficial to the sedimentation of the suspended matter. The plug flow circulation can also fully mix the treatment agent and the wastewater to prevent stratification due to static sedimentation.

[0023] (2) By setting up a scraping component, when the flocs and sediment are settled, it is necessary to separate the upper liquid layer from the lower sludge layer, open the solenoid valve of the water outlet shell, and allow the water to pass through the filter screen, the water outlet chamber and the water outlet shell in turn to discharge from the treatment box. When it is necessary to clean the sludge out of the treatment box, start the second electric push rod, and the second electric push rod drives the top plate and the vertical rod to move downward through the I-shaped rod, and the vertical rod drives the horizontal rod to move downward through the horizontal plate. The horizontal rod drives the scraper rod to move downward through the connecting column, the third fixed shaft and the fourth fixed shaft, so that the scraper rod contacts the top of the first inclined plate and the second inclined plate. Start the first electric push rod to drive the scraper rod to move, so that the scraper rod can scrape off the sludge attached to the surface of the first inclined plate and the second inclined plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a cross-sectional schematic diagram of the first processing box in the present invention;

[0026] Figure 3 It is a cross-sectional schematic diagram of the second processing box in the present invention;

[0027] Figure 4 It is a schematic diagram of the processing box and the partition structure in the present invention;

[0028] Figure 5 It is a schematic diagram of a first partial three-dimensional structure in the present invention;

[0029] Figure 6 It is a schematic diagram of a second partial three-dimensional structure in the present invention;

[0030] Figure 7 For the present invention Figure 5 The enlarged schematic diagram at A in the middle;

[0031] Figure 8 For the present invention Figure 6 The enlarged schematic diagram of point B in the middle;

[0032] Fig. 9 It is a schematic cross-sectional view of the partition in the present invention.

[0033] In the figure:

[0034] 1. Processing box; 2. Water inlet pipe; 3. Valve; 4. First motor; 5. Rotating head; 6. Rotating blade; 7. Partition; 8. Water outlet chamber; 9. Filter screen; 10. Water outlet shell; 11. First fixed shaft; 12. Second fixed shaft; 13. First inclined plate; 14. Second inclined plate; 15. First rotating block; 16. Baffle; 17. Second motor; 18. Gear; 19. Rack; 20. Connecting rod; 21. Moving block; 22. Fixed block; 23. Rectangular slot; 24. First electric push rod; 25. Vertical plate; 26. Cross bar; 27. Connecting column; 28. Third fixed axis; 29. ​​Fourth fixed axis; 30. Scraper rod; 31. Second rotating block; 32. Moving rod; 33. Sliding block; 34. T-shaped slide groove; 35. Cross plate; 36. Vertical rod; 37. Top plate; 38. Second electric push rod; 39. I-shaped rod; 40. Connecting rope; 41. Closing plate; 42. Guide wheel; 43. Mud discharge chamber; 44. Mud discharge shell; 45. Notch; 46. Spring; 47. Moving plate; 48. Inclined surface. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Reference Figure 1 - Fig. 9 , a high-efficiency treatment device for hydrometallurgical wastewater, comprising a treatment box 1, a side wall of the treatment box 1 is connected and fixedly connected with a water inlet pipe 2, a valve 3 is installed on the water inlet pipe 2, and further comprising:

[0037] A plug flow circulation assembly is arranged in the treatment box 1, and is used to promote the circulation of wastewater in the treatment box 1. The plug flow circulation assembly includes a plurality of rotating blades 6 and a partition plate 7 fixed between the top inner wall and the bottom inner wall of the treatment box 1;

[0038] An auxiliary sedimentation assembly is arranged in the treatment box 1, and the auxiliary sedimentation assembly is used to quickly settle flocs and sediments in the wastewater. The auxiliary sedimentation assembly includes a plurality of first inclined plates 13 and second inclined plates 14 arranged in the treatment box 1, and the first inclined plates 13 and second inclined plates 14 are used to quickly settle flocs and sediments in the wastewater;

[0039] When in use, the wastewater is mixed evenly with the treatment agent in the mixing device, the mixing device is connected to the treatment box 1 through the water inlet pipe 2, the valve 3 is opened, the wastewater enters the treatment box 1 from the water inlet pipe 2, the wastewater is settled in the treatment box 1, and the rotation of multiple rotating blades 6 can drive the wastewater to flow in the treatment box 1. Since the partition 7 divides the treatment box 1 into two sedimentation areas, the wastewater can circulate in the two sedimentation areas of the treatment box 1. The wastewater will pass through the first inclined plate 13 and the second inclined plate 14 during the flow. The wave-arranged first inclined plate 13 and the second inclined plate 14 can increase the contact time with the flocs and precipitation, which is beneficial to the rapid sedimentation of the flocs and precipitation in the wastewater, so that the wastewater can be circulated in the treatment box 1. The treatment agent and the wastewater can also be mixed evenly to prevent the wastewater and the treatment agent from being stratified due to sedimentation.

[0040] Reference Figure 2 , Figure 3 , Figure 4 and Fig. 9 The plug flow circulation component also includes a first motor 4 fixedly connected to a side wall of the treatment box 1, the output shaft of the first motor 4 is fixedly connected to a rotating head 5, and a plurality of rotating blades 6 are fixedly connected to the rotating head 5. The partition 7 is used to divide the interior of the treatment box 1 into two sedimentation areas, and a plurality of the first inclined plates 13 and the second inclined plates 14 are respectively located in the two sedimentation areas, and a plurality of the rotating blades 6 are located in one of the sedimentation areas. Both ends of the partition 7 are not in contact with the inner walls of both sides of the treatment box 1, and a water outlet cavity 8 is opened in the partition 7, and both ends of the water outlet cavity 8 are fixed A filter screen 9 is connected, and a water outlet shell 10 connected to the water outlet chamber 8 is fixedly connected to the bottom of the treatment box 1; when wastewater is put into the treatment box 1, the first motor 4 is started, the first motor 4 drives the rotating head 5 to rotate, and the rotating head 5 drives the rotating blades 6 to rotate, so that the rotating blades 6 can push the wastewater to circulate, and an electromagnetic valve is arranged in the water outlet shell 10. When the upper layer of liquid needs to be discharged after the sedimentation is completed, the electromagnetic valve is opened, and the liquid will be discharged from the treatment box 1 through the filter screen 9, the water outlet chamber 8 and the water outlet shell 10 in turn. The filter screen 9 can prevent flocs and precipitation from entering the water outlet chamber 8 during the sedimentation process.

[0041] Reference Figure 5and Figure 6 The auxiliary sedimentation assembly also includes a plurality of first fixed shafts 11 and a second fixed shaft 12 arranged between the inner wall of the treatment box 1 and the side wall of the partition 7, and two first rotating blocks 15 are fixedly connected to both ends of the plurality of first inclined plates 13 and the second inclined plates 14. The plurality of first inclined plates 13 and the second inclined plates 14 are respectively rotatably connected to the corresponding first fixed shafts 11 and the second fixed shafts 12 through the first rotating blocks 15. The plurality of first inclined plates 13 and the second inclined plates 14 are each provided with a baffle 16, and the plurality of first inclined plates 13 and the second inclined plates 14 form a wave shape; when the wastewater passes through the first inclined plates 13 and the second inclined plates 14, the wastewater settles to the first inclined plates 11 under the action of gravity. 3 and the second inclined plate 14, the baffle 16 can further block more flocs and sediments, which is beneficial to sedimentation. By setting the first rotating block 15, the first inclined plate 13 and the second inclined plate 14 can be rotated between the first fixed shaft 11 and the second fixed shaft 12, so as to adjust the inclination angle of the first inclined plate 13 and the second inclined plate 14. The inclination angle of the inclined plate can be changed according to the characteristics of flocs and sediments in the wastewater. Changing the angle of the first inclined plate 13 and the second inclined plate 14 can change the residence time of flocs and sediments on the first inclined plate 13 and the second inclined plate 14, and the inclined sedimentation path is beneficial to faster sedimentation of flocs and sediments, so as to achieve better sedimentation effect.

[0042] Reference Figure 1 , Figure 2 and Figure 4The processing box 1 is provided with an adjustment component for adjusting the angle of the first inclined plate 13 and the second inclined plate 14, and the adjustment component includes a second motor 17 fixedly connected to the top of the processing box 1 through a bracket, and the output shaft of the second motor 17 is fixedly connected to a gear 18. The top of the processing box 1 is provided with two racks 19 meshing with the gear 18, and one end of each of the racks 19 is fixedly connected to a connecting rod 20, one end of one of the first fixed shafts 11 is fixedly connected to a fixed block 22, and one end of each of the other first fixed shafts 11 is fixedly connected to a moving block 21, and one end of the connecting rod 20 is fixedly connected to one of the moving blocks 21. Rectangular grooves 23 are provided on the inner walls of both sides of the processing box 1, and the fixed block 22 is fixedly connected in the rectangular groove 23, and the moving blocks 21 are slidably connected in the rectangular groove 23; when it is necessary to adjust the inclination angle of the first inclined plate 13 and the second inclined plate 14, the second motor 17 is started, and the second motor 17 drives The gear 18 rotates, and the gear 18 drives the two connecting rods 20 to move in opposite directions through the two racks 19. The connecting rod 20 drives one of the moving blocks 21 to slide in the rectangular groove 23, and the moving block 21 drives the first fixed shaft 11 to move. Since the wavy first inclined plate 13 and the second inclined plate 14 are rotatably connected through the first rotating block 15, the first fixed shaft 11 and the second fixed shaft 12, when one of the first fixed shafts 11 moves through the moving block 21, it can drive the other first fixed shafts 11 to move at the same time, thereby changing the inclination angle of the first inclined plate 13 and the second inclined plate 14. Pushing the moving block 21 toward the fixed block 22 can increase the inclination angle of the first inclined plate 13 and the second inclined plate 14, and at the same time increase the height of the second fixed shaft 12. Pulling the moving block 21 away from the fixed block 22 can reduce the inclination angle of the first inclined plate 13 and the second inclined plate 14, and at the same time reduce the height of the second fixed shaft 12.

[0043] Reference Figure 5 and Figure 6The treatment box 1 is provided with a scraping assembly for scraping the sludge settled by the first inclined plate 13 and the second inclined plate 14. The scraping assembly includes a first electric push rod 24 fixed to a side wall of the treatment box 1 through an L-shaped plate. The output end of the first electric push rod 24 is slidably connected to a vertical plate 25. The bottom of the vertical plate 25 is fixedly connected to a cross bar 26. The bottom of the cross bar 26 is slidably connected to a plurality of connecting columns 27. The bottom end of the connecting column 27 is fixedly connected to a third fixed shaft 28 located directly above the corresponding second fixed shaft 12. The treatment box 1 is provided with a plurality of fourth fixed shafts located directly above the corresponding first fixed shafts 11. The processing box 1 is provided with a plurality of scraper rods 30, both ends of the scraper rods 30 are fixedly connected with a second rotating block 31, and the scraper rods 30 are rotatably connected to the corresponding third fixed shaft 28 and the fourth fixed shaft 29 through the second rotating block 31. The plurality of scraper rods 30 are adapted to the first inclined plate 13 and the second inclined plate 14 in a wave shape, and the middle part of the third fixed shaft 28 is slidably penetrated by a moving rod 32, and the bottom end of the moving rod 32 is fixedly connected with a slider 33, and the second fixed shaft 12 is provided with a T-shaped slide groove 34, and the moving rod 32 and the slider 33 are slidably connected to the corresponding T-shaped slide groove When it is necessary to scrape off the sludge on the first inclined plate 13 and the second inclined plate 14, it is necessary to first move the scraper rod 30 downward to contact the surface of the first inclined plate 13 and the second inclined plate 14, start the first electric push rod 24 to drive the vertical plate 25 to move, the vertical plate 25 drives the cross bar 26 to move, the cross bar 26 drives the third fixed shaft 28 to move through the connecting column 27, the third fixed shaft 28 slides in the T-shaped slide groove 34 through the moving rod 32 and the slider 33, the third fixed shaft 28 can drive the scraper rod 30 to slide on the surface of the first inclined plate 13 and the second inclined plate 14, and the scraper rod 30 scrapes off the sludge on the surface of the first inclined plate 13 and the second inclined plate 14 Mud scraping, when the first inclined plate 13 and the second inclined plate 14 are adjusted in angle, the position and height of the second fixed shaft 12 are changed. When the second fixed shaft 12 moves in the horizontal direction, the second fixed shaft 12 can drive the third fixed shaft 28 to move in the horizontal direction through the slider 33 and the T-shaped slide groove 34, so that the third fixed shaft 28 always remains directly above the second fixed shaft 12, so that the scraper rod 30 can move downward to just fit the first inclined plate 13 and the second inclined plate 14. When the second fixed shaft 12 moves in the vertical direction, the second fixed shaft 12 drives the moving rod 32 to slide on the third fixed shaft 28.

[0044] Reference Figure 5 and Figure 7A cross plate 35 is provided on the top of the cross bar 26, and two vertical rods 36 are fixedly connected to the top of the cross plate 35, and a top plate 37 is fixedly connected to the top of the vertical rod 36. A second electric push rod 38 is fixedly connected to the top of the processing box 1, and an I-shaped rod 39 is fixedly connected to the output end of the second electric push rod 38, and the I-shaped rod 39 slides through the top plate 37; before the sludge on the first inclined plate 13 and the second inclined plate 14 is cleaned by the scraper rod 30, the second electric push rod 38 is started to drive the I-shaped rod 39 to move downward, and the I-shaped rod 39 drives the top plate 37 and the vertical rod 36 to move downward, and the vertical rod 36 drives the cross plate 35 to move downward The horizontal plate 35 drives the horizontal bar 26 and the scraper rod 30 to move downward and fit with the surfaces of the first inclined plate 13 and the second inclined plate 14. When the inclination angles of the first inclined plate 13 and the second inclined plate 14 change, the height of the second fixed shaft 12 changes. When the second fixed shaft 12 is raised to a higher height, the scraper rod 30 has already fit with the surfaces of the first inclined plate 13 and the second inclined plate 14. If the second fixed shaft 12 continues to move upward, it can drive the horizontal bar 26, the vertical plate 25 and the top plate 37 to move upward, so that the top plate 37 can slide on the surface of the I-shaped rod 39, thereby preventing it from getting stuck and causing sliding between the vertical plate 25 and the first electric push rod 24.

[0045] Reference Figure 5 and Fig. 9 The treatment box 1 is provided with a discharge assembly for discharging sludge, and the discharge assembly includes two closing plates 41 slidably inserted at the bottom of the partition 7, and the top of the closing plate 41 is fixedly connected with an elastic connecting rope 40, and one end of the connecting rope 40 is fixedly connected to the top of the vertical plate 25. The inner wall of the treatment box 1 is fixedly connected with a guide wheel 42, and the connecting rope 40 passes around the guide wheel 42. A mud discharge cavity 43 is provided between the partition 7 and the closing plate 41. The bottom of the treatment box 1 is fixedly connected with a guide wheel 42. A mud discharge shell 44 is connected to the mud discharge chamber 43; when the scraper rod 30 scrapes the sludge on the surface of the first inclined plate 13 and the second inclined plate 14, the vertical plate 25 can pull the closing plate 41 to move through the connecting rope 40, and pull the closing plate 41 into the partition 7, so that the mud discharge chamber 43 is opened, and the sludge scraped by the scraper rod 30 can be discharged from the mud discharge chamber 43 and the mud discharge shell 44 to the processing box 1. When the scraper rod 30 is reset, the closing plate 41 re-closes the mud discharge chamber 43 under the action of gravity.

[0046] Reference Figure 8, the first inclined plate 13 and the second inclined plate 14 are both provided with a slot 45, the inner wall of the slot 45 is fixedly connected with a spring 46, one end of the spring 46 is fixedly connected with a movable plate 47 slidably connected in the slot 45, the movable plate 47 is fixedly connected to the bottom of the baffle 16, and the end of the baffle 16 close to the scraper rod 30 is provided with a slope 48; when the scraper rod 30 scrapes the surface of the first inclined plate 13 and the second inclined plate 14, the scraper rod 30 can press the baffle 16 back into the slot 45 through the slope 48 during the movement, and the spring 46 is compressed. When the scraper rod 30 is reset and no longer in contact with the baffle 16, under the action of the spring 46, the baffle 16 pops out again for the next auxiliary sedimentation.

[0047] A high-efficiency process for treating hydrometallurgical wastewater comprises the following steps:

[0048] S1: Put the wastewater into the filter equipment, the screen in the filter equipment can remove large suspended particles in the wastewater;

[0049] S2: Put the wastewater filtered in S1 into the mixing equipment, add appropriate amount of neutralizer, precipitant and other treatment agents according to the wastewater composition and treatment requirements, and start the mixing equipment to fully mix the treatment agent and wastewater;

[0050] S3: The wastewater mixed evenly in S2 is put into the sedimentation equipment. The wastewater is settled in the sedimentation equipment for a period of time. The sediment is settled on the first inclined plate 13 and the second inclined plate 14. After the sedimentation is completed, the upper layer of clear water is first discharged, and then the settled sludge is scraped out of the equipment;

[0051] S4: The sludge in S3 is further filtered and dried to obtain dry sediment blocks for easy storage, and the upper clear water in S3 is filtered and disinfected to meet the discharge standards or reuse requirements.

[0052] Working principle: when in use, the wastewater is mixed evenly with the treatment agent in the mixing device, the mixing device is connected with the treatment box 1 through the water inlet pipe 2, the valve 3 is opened, the wastewater enters the treatment box 1 from the water inlet pipe 2, the wastewater is settled in the treatment box 1, and the rotation of multiple rotating blades 6 can drive the wastewater to flow in the treatment box 1. Since the partition 7 divides the treatment box 1 into two settling areas, the wastewater can circulate in the two settling areas of the treatment box 1. The wastewater will pass through the first inclined plate 13 and the second inclined plate 14 during the flow process. The first inclined plate 13 and the second inclined plate 14 with wave settings can increase the contact time with flocs and sediments, which is conducive to the rapid sedimentation of flocs and sediments in the wastewater, so that the wastewater can be circulated in the treatment box 1. The treatment agent and the wastewater can also be mixed evenly to prevent the wastewater and the treatment agent from being stratified due to sedimentation;

[0053] When wastewater is put into the treatment box 1, the first motor 4 is started, the first motor 4 drives the rotating head 5 to rotate, and the rotating head 5 drives the rotating blades 6 to rotate, so that the rotating blades 6 can push the wastewater to circulate. A solenoid valve is provided in the water outlet shell 10. When the sedimentation is completed, the upper liquid needs to be discharged. The solenoid valve is opened, and the liquid will be discharged from the treatment box 1 through the filter screen 9, the water outlet cavity 8 and the water outlet shell 10 in sequence. The filter screen 9 can prevent flocs and sediments from entering the water outlet cavity 8 during the sedimentation process;

[0054] When the wastewater passes through the first inclined plate 13 and the second inclined plate 14, the wastewater settles to the surface of the first inclined plate 13 and the second inclined plate 14 under the action of gravity. The baffle 16 can further block more flocs and sediments, which is conducive to the sedimentation. By setting the first rotating block 15, the first inclined plate 13 and the second inclined plate 14 can be rotated between the first fixed shaft 11 and the second fixed shaft 12, so as to adjust the inclination angle of the first inclined plate 13 and the second inclined plate 14. The inclination angle of the inclined plate can be changed according to the characteristics of flocs and sediments in the wastewater. Changing the angle of the first inclined plate 13 and the second inclined plate 14 can change the residence time of flocs and sediments on the first inclined plate 13 and the second inclined plate 14, and the inclined sedimentation path is conducive to faster sedimentation of flocs and sediments, thereby achieving a better sedimentation effect.

[0055] When the inclination angle of the first inclined plate 13 and the second inclined plate 14 needs to be adjusted, the second motor 17 is started, and the second motor 17 drives the gear 18 to rotate. The gear 18 drives the two connecting rods 20 to move in opposite directions through the two racks 19. The connecting rod 20 drives one of the moving blocks 21 to slide in the rectangular groove 23, and the moving block 21 drives the first fixed shaft 11 to move. Since the wavy first inclined plate 13 and the second inclined plate 14 are rotatably connected through the first rotating block 15, the first fixed shaft 11 and the second fixed shaft 12, when one of the first fixed shafts 11 moves through the moving block 21, it can drive the other first fixed shafts 11 to move at the same time, thereby changing the inclination angle of the first inclined plate 13 and the second inclined plate 14. Pushing the moving block 21 toward the fixed block 22 can increase the inclination angle of the first inclined plate 13 and the second inclined plate 14, and at the same time, the height of the second fixed shaft 12 is increased. Pulling the moving block 21 away from the fixed block 22 can reduce the inclination angle of the first inclined plate 13 and the second inclined plate 14, and at the same time, the height of the second fixed shaft 12 is reduced.

[0056] When it is necessary to scrape off the sludge on the first inclined plate 13 and the second inclined plate 14, it is necessary to first move the scraper rod 30 downward to contact the surface of the first inclined plate 13 and the second inclined plate 14, start the first electric push rod 24 to drive the vertical plate 25 to move, the vertical plate 25 drives the cross bar 26 to move, the cross bar 26 drives the third fixed shaft 28 to move through the connecting column 27, the third fixed shaft 28 slides in the T-shaped slide groove 34 through the moving rod 32 and the slider 33, the third fixed shaft 28 can drive the scraper rod 30 to slide on the surface of the first inclined plate 13 and the second inclined plate 14, and the scraper rod 30 scrapes the sludge on the surface of the first inclined plate 13 and the second inclined plate 14 In addition, when the first inclined plate 13 and the second inclined plate 14 are adjusted in angle, the position and height of the second fixed shaft 12 are changed. When the second fixed shaft 12 moves in the horizontal direction, the second fixed shaft 12 can drive the third fixed shaft 28 to move in the horizontal direction through the slider 33 and the T-shaped slide groove 34, so that the third fixed shaft 28 is always kept directly above the second fixed shaft 12, so that the scraper rod 30 can move downward to just fit the first inclined plate 13 and the second inclined plate 14. When the second fixed shaft 12 moves in the vertical direction, the second fixed shaft 12 drives the moving rod 32 to slide on the third fixed shaft 28;

[0057] Before the scraper rod 30 cleans the sludge on the first inclined plate 13 and the second inclined plate 14, the second electric push rod 38 is started to drive the I-shaped rod 39 to move downward, the I-shaped rod 39 drives the top plate 37 and the vertical rod 36 to move downward, the vertical rod 36 drives the cross plate 35 to move downward, and the cross plate 35 drives the cross bar 26 and the scraper rod 30 to move downward to fit the surfaces of the first inclined plate 13 and the second inclined plate 14. When the inclination angles of the first inclined plate 13 and the second inclined plate 14 change, the height of the second fixed shaft 12 changes. When the second fixed shaft 12 is raised to a higher height, the scraper rod 30 has already fit the surfaces of the first inclined plate 13 and the second inclined plate 14. If the second fixed shaft 12 continues to move upward, it can drive the cross bar 26, the vertical plate 25 and the top plate 37 to move upward, so that the top plate 37 can slide on the surface of the I-shaped rod 39, thereby preventing it from getting stuck, and causing sliding between the vertical plate 25 and the first electric push rod 24.

[0058] When the scraper rod 30 scrapes the sludge on the surface of the first inclined plate 13 and the second inclined plate 14, the vertical plate 25 can pull the closing plate 41 to move through the connecting rope 40, and pull the closing plate 41 into the partition 7, so that the mud discharge cavity 43 is opened, and the sludge scraped by the scraper rod 30 can be discharged from the mud discharge cavity 43 and the mud discharge shell 44 to the treatment box 1. When the scraper rod 30 is reset, the closing plate 41 closes the mud discharge cavity 43 again under the action of gravity;

[0059] When the scraper rod 30 scrapes the surface of the first inclined plate 13 and the second inclined plate 14, the scraper rod 30 can press the baffle 16 back into the groove 45 through the inclined surface 48 during movement, and the spring 46 is compressed. When the scraper rod 30 is reset and no longer in contact with the baffle 16, under the action of the spring 46, the baffle 16 pops out again for the next auxiliary sedimentation.

[0060] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

[0061] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. 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. A highly efficient device for treating hydrometallurgical wastewater, comprising a treatment box (1), a side wall of the treatment box (1) being connected and fixedly connected to a water inlet pipe (2), a valve (3) being installed on the water inlet pipe (2), characterized in that: Also includes: A plug-flow circulation component is arranged in the treatment box (1), the plug-flow circulation component is used to promote the circulation of wastewater in the treatment box (1), and the plug-flow circulation component comprises a plurality of rotating blades (6) and a partition plate (7) fixedly connected between the top inner wall and the bottom inner wall of the treatment box (1); An auxiliary sedimentation component is arranged in the treatment box (1), the auxiliary sedimentation component is used to quickly settle flocs and sediments in the wastewater, the auxiliary sedimentation component comprises a plurality of first inclined plates (13) and second inclined plates (14) arranged in the treatment box (1), the first inclined plates (13) and second inclined plates (14) are used to quickly settle flocs and sediments in the wastewater; The plug-flow circulation assembly further comprises a first motor (4) fixedly connected to a side wall of the treatment box (1); an output shaft of the first motor (4) is fixedly connected to a rotating head (5); a plurality of rotating blades (6) are fixedly connected to the rotating head (5); the partition (7) is used to divide the interior of the treatment box (1) into two sedimentation areas; a plurality of the first inclined plates (13) and the second inclined plates (14) are respectively located in the two sedimentation areas; a plurality of the rotating blades (6) are located in one of the sedimentation areas; both ends of the partition (7) are not in contact with the inner walls of both sides of the treatment box (1); a water outlet cavity (8) is provided in the partition (7); both ends of the water outlet cavity (8) are fixedly connected to filter screens (9); and a water outlet shell (10) connected to the water outlet cavity (8) is fixedly connected to the bottom of the treatment box (1); The auxiliary sedimentation assembly further comprises a plurality of first fixed shafts (11) and second fixed shafts (12) arranged between the inner wall of the processing box (1) and the side wall of the partition plate (7); two first rotating blocks (15) are fixedly connected to both ends of the plurality of first inclined plates (13) and second inclined plates (14); the plurality of first inclined plates (13) and second inclined plates (14) are respectively rotatably connected to the corresponding first fixed shafts (11) and second fixed shafts (12) via the first rotating blocks (15); baffles (16) are provided on the plurality of first inclined plates (13) and second inclined plates (14); and the plurality of first inclined plates (13) and second inclined plates (14) form a wave shape; The processing box (1) is provided with an adjustment component for adjusting the angles of the first inclined plate (13) and the second inclined plate (14), the adjustment component comprising a second motor (17) fixedly connected to the top of the processing box (1) through a bracket, the output shaft of the second motor (17) is fixedly connected to a gear (18), the top of the processing box (1) is provided with two racks (19) meshing with the gear (18), one end of each of the racks (19) is fixedly connected to a connecting rod (20), one end of one of the first fixed shafts (11) is fixedly connected to a fixed block (22), one end of each of the other first fixed shafts (11) is fixedly connected to a moving block (21), one end of each of the connecting rods (20) is fixedly connected to one of the moving blocks (21), rectangular grooves (23) are provided on the inner walls of both sides of the processing box (1), the fixed blocks (22) are fixedly connected in the rectangular grooves (23), and the moving blocks (21) are slidably connected in the rectangular grooves (23); The treatment box (1) is provided with a scraping assembly for scraping sludge settled on the first inclined plate (13) and the second inclined plate (14), the scraping assembly comprising a first electric push rod (24) fixedly connected to a side wall of the treatment box (1) via an L-shaped plate, the output end of the first electric push rod (24) being slidably connected to a vertical plate (25), the bottom of the vertical plate (25) being fixedly connected to a cross bar (26), the bottom of the cross bar (26) being slidably connected to a plurality of connecting columns (27), the bottom end of the connecting column (27) being fixedly connected to a third fixed shaft (28) located directly above the corresponding second fixed shaft (12), the treatment box (1) being provided with a plurality of fourth fixed shafts (29) located directly above the corresponding first fixed shafts (11), The processing box (1) is provided with a plurality of scraper rods (30), both ends of which are fixedly connected to a second rotating block (31), and the scraper rods (30) are rotatably connected to the corresponding third fixed shaft (28) and the fourth fixed shaft (29) through the second rotating block (31), and the plurality of scraper rods (30) are adapted to the first inclined plate (13) and the second inclined plate (14) to be wavy, and a moving rod (32) is slidably penetrated through the middle of the third fixed shaft (28), and a slider (33) is fixedly connected to the bottom end of the moving rod (32), and a T-shaped slide groove (34) is opened on the second fixed shaft (12), and the moving rod (32) and the slider (33) are slidably connected in the corresponding T-shaped slide groove (34); A horizontal plate (35) is arranged on the top of the horizontal bar (26); two vertical bars (36) are fixedly connected to the top of the horizontal plate (35); the top ends of the vertical bars (36) are fixedly connected to a top plate (37); a second electric push rod (38) is fixedly connected to the top of the processing box (1); an I-shaped rod (39) is fixedly connected to the output end of the second electric push rod (38); and the I-shaped rod (39) slides through the top plate (37).

2. The high-efficiency treatment device for hydrometallurgical wastewater according to claim 1 is characterized in that: The treatment box (1) is provided with a discharge assembly for discharging sludge, the discharge assembly comprising two closing plates (41) slidably inserted at the bottom of the partition (7), the top of the closing plate (41) is fixedly connected to an elastic connecting rope (40), one end of the connecting rope (40) is fixedly connected to the top of the vertical plate (25), the inner wall of the treatment box (1) is fixedly connected to a guide wheel (42), the connecting rope (40) passes around the guide wheel (42), a mud discharge cavity (43) is provided between the partition (7) and the closing plate (41), and the bottom of the treatment box (1) is fixedly connected to a mud discharge shell (44) connected to the mud discharge cavity (43).

3. The high-efficiency treatment device for hydrometallurgical wastewater according to claim 2 is characterized in that: The first inclined plate (13) and the second inclined plate (14) are both provided with a slot (45), the inner wall of the slot (45) is fixedly connected to a spring (46), one end of the spring (46) is fixedly connected to a movable plate (47) slidably connected in the slot (45), the movable plate (47) is fixedly connected to the bottom of the baffle (16), and an inclined surface (48) is provided at one end of the baffle (16) close to the scraper rod (30).

4. A process for efficiently treating hydrometallurgical wastewater, using the device for efficiently treating hydrometallurgical wastewater according to any one of claims 1 to 3, characterized in that: The following steps are involved: S1: Put the wastewater into the filter equipment, the screen in the filter equipment can remove large suspended particles in the wastewater; S2: Put the wastewater filtered in S1 into the mixing equipment, add appropriate amount of neutralizer, precipitant and other treatment agents according to the wastewater composition and treatment requirements, and start the mixing equipment to fully mix the treatment agent and wastewater; S3: the wastewater mixed evenly in S2 is put into a sedimentation device, and the wastewater is settled in the sedimentation device for a period of time, and the sediment is settled on the first inclined plate (13) and the second inclined plate (14). After the sedimentation is completed, the upper layer of clear water is first discharged, and then the settled sludge is scraped out of the device; S4: The sludge in S3 is further filtered and dried to obtain dry sediment blocks for easy storage, and the upper clear water in S3 is filtered and disinfected to meet the discharge standards or reuse requirements.

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