Mine wastewater comprehensive treatment device

Abstract

The invention relates to the field of wastewater treatment, in particular to a mine wastewater comprehensive treatment device which comprises an oxidation pond and a sand filter which are arranged on a base station, the oxidation pond is higher than the sand filter, a receiving hopper is arranged below the water outlet end of the oxidation pond, a water diversion disc extends from the lower end of the receiving hopper, and the receiving hopper and the water diversion disc are fixed on the base station. A spiral net hopper is fixedly installed at the end of the water diversion disc and located above the sand filter tank, a conveyor is fixedly installed above the sand filter tank, a conveying belt of the conveyor is arranged in a net shape, a piece shaft is rotationally installed at the position, corresponding to the conveyor, of the lower end of the spiral net hopper, and a piece shaft is rotationally installed in the receiving hopper. According to the invention, the blocking period of the filter layer of the sand filter is delayed, the wastewater treatment efficiency is improved, sufficient flocculant is ensured to always exist in the screen frame, and meanwhile, the influence of excessive flocculant in the screen frame on swinging is avoided.

Description

Technical Field

[0001] The present invention relates to the field of wastewater treatment, and in particular to a comprehensive treatment device for mine wastewater. Background Art

[0002] Mine wastewater is contaminated water generated during mining activities, including mine water, mineral processing wastewater, and smelting wastewater. Due to its complex composition and significant hazards, mine wastewater requires treatment to improve water pollution control and management.

[0003] In the process of wastewater treatment, oxidation ponds are usually used to remove soluble pollutants in the wastewater, and then sand filters are used to adsorb and remove suspended solids in the wastewater to make it clear, so as to comprehensively treat the wastewater. However, when the oxidation pond discharges the wastewater into the sand filter, since the wastewater contains more suspended solids, the clogging cycle of the filter layer will be accelerated after entering the sand filter. At this time, the filter layer needs to be cleaned frequently, and the process is quite time-consuming, which seriously affects the efficiency of wastewater treatment. Summary of the Invention

[0004] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a comprehensive treatment device for mine wastewater.

[0005] In order to achieve the above purpose, the technical solution adopted by the present invention is: a comprehensive treatment device for mine wastewater, comprising an oxidation pond and a sand filter arranged on a base, the oxidation pond is higher than the sand filter, a receiving bucket is arranged below the water outlet end of the oxidation pond, a water diversion plate is extended from the lower end of the receiving bucket, the receiving bucket and the water diversion plate are fixed on the base, a spiral net bucket is fixedly installed at the end of the water diversion plate, the spiral net bucket is located above the sand filter, a conveyor is fixedly installed above the sand filter, and the conveyor belt of the conveyor is arranged in a mesh shape, so The lower end of the spiral net bucket corresponds to the conveyor, and a sheet shaft is rotatably installed inside the receiving bucket. The two ends of the sheet shaft pass through the two sides of the receiving bucket, and a plurality of paddles are fixedly installed in a circular array in the middle of the outer surface of the sheet shaft. A net frame is slidably provided above the water guide plate, and flocculant is filled inside the net frame. An L-shaped frame seat extends from the side of the net frame, and a connecting rod is rotatably installed at the end of the L-shaped frame seat. A push frame ear extends from one end of the sheet shaft, and the push frame ear is rotatably connected to the connecting rod. A discharge piece is provided on the upper part of the receiving bucket.

[0006] Preferably, curved plates are fixedly mounted on both sides of the water guide tray, and slide grooves are provided on both sides of the net frame, and the ends of the curved plates are slidably mounted inside the slide grooves.

[0007] Preferably, a guard plate is fixedly mounted on the frame of the conveyor, a baffle is coaxially arranged on the outer side of the spiral net bucket, the baffle is fixed to the base, a V-shaped guide seat is fixedly mounted on the upper end of the guard plate, and the V-shaped guide seat is located below the baffle.

[0008] Preferably, a fixing frame is fixedly installed at the inner center position of the baffle shell, a spiral water guide plate is provided below the spiral net bucket, and the spiral net bucket and the spiral water guide plate are both fixed to the outer surface of the fixing frame.

[0009] Preferably, a plurality of No. 1 guide vanes are obliquely extended in a linear array on the inner bottom surface of the water guide tray, and a plurality of No. 2 guide vanes are obliquely extended in a linear array on the inner bottom surface of the water guide tray. The plurality of No. 1 guide vanes and the plurality of No. 2 guide vanes are staggered, and the inclination direction of the No. 1 guide vane is opposite to the inclination direction of the No. 2 guide vane.

[0010] Preferably, the discharge member includes a hopper fixedly mounted on the upper part of the receiving hopper, the outlet of the hopper is located above the mesh frame, a supporting cap is fixedly mounted on the side of the hopper, a closing plate is rotatably mounted on the lower end of the supporting cap, the closing plate is sealed at the outlet of the hopper, a shift shaft is rotatably mounted on the side of one of the bent plates, a shift rack is fixedly mounted on the end of the shift shaft, a dial wheel is mounted on the end of the dial rack, and the dial wheel corresponds to the end of the closing plate.

[0011] Preferably, a small pulley is coaxially embedded on the other end of the film shaft, a large pulley is coaxially embedded on the outer surface of the shift shaft, and a synchronous belt is connected between the large pulley and the small pulley.

[0012] Preferably, a connecting cap is rotatably installed near the edge of the upper end of the closing bucket plate, a sliding rod is extended from the outer surface of the connecting cap, an opening frame is fixedly installed on the outer surface of the bearing cap, a rod sleeve is rotatably installed on the end of the opening frame, and the rod sleeve is slidably installed on the outer surface of the sliding rod, and a limiting cap is coaxially embedded at the end of the sliding rod, and the limiting cap is pressed on one end of the rod sleeve, a top plate spring is wound around the outside of the sliding rod, one end of the top plate spring is fixed to the connecting cap, and the other end of the top plate spring is fixed to the other end of the rod sleeve.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The wastewater discharged from the outlet of the oxidation tank will fall into the receiving bucket and flow in the water inlet tray. During this process, when the wastewater falls into the receiving bucket, it will impact the paddle in the receiving bucket to drive the sheet shaft to rotate, and then drive the push frame ear to rotate, so as to push the net frame through the connecting rod to make the net frame swing, so that the flocculant in the net frame can fall into the wastewater flowing in the water inlet tray, so that the suspended matter in the wastewater is flocculated into large particles. Then the wastewater mixed with large particles of suspended matter flows to the spiral net bucket and flows in a spiral along the spiral net bucket. The spiral mesh bucket moves so that most of the wastewater can pass through the spiral mesh bucket and fall into the sand filter during the flow process. At the same time, a small amount of wastewater and flocculated large suspended particles are discharged from the spiral mesh bucket and fall onto the conveyor. Under the action of the mesh conveyor belt of the conveyor, the flocculated large suspended particles are intercepted and sent out. At the same time, a small amount of wastewater also enters the sand filter. In this way, when the wastewater enters the sand filter, most of the suspended matter in the wastewater is flocculated and discharged, which delays the filter layer clogging period of the sand filter and improves the efficiency of wastewater treatment.

[0014] 2. At the same time, the film shaft will drive the dial shaft to rotate slowly through the synchronous belt, and then drive the dial wheel on the dial frame to rotate, and push the hopper plate during the rotation, so that the hopper plate rotates with the bearing cap as the center to open the hopper, so that the flocculant stored in the hopper can fall into the screen frame. At this time, the slide rod slides in the rod sleeve and the top plate spring is deformed. When the dial wheel rotates away from the hopper plate, the top plate spring recovers its deformation to push the hopper plate, so that the hopper plate is reset to block the hopper. This cycle ensures that there is always enough flocculant in the screen frame, and avoids excessive flocculant in the screen frame affecting the swing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of a comprehensive mine wastewater treatment device according to the present invention; Figure 2 This is a schematic diagram of the water diversion pan of a comprehensive mine wastewater treatment device of the present invention; Figure 3 This is a schematic diagram of the receiving bucket of a comprehensive mine wastewater treatment device of the present invention; Figure 4 This is a schematic diagram of another perspective of the receiving bucket of a comprehensive mine wastewater treatment device of the present invention; Figure 5 This is a schematic diagram of the top plate spring of a comprehensive mine wastewater treatment device of the present invention; Figure 6 This is a schematic diagram of the retaining shell of a comprehensive mine wastewater treatment device of the present invention; Figure 7 This is an internal view of a retaining shell of a comprehensive mine wastewater treatment device according to the present invention; Figure 8 This is an internal view of a receiving bucket of a comprehensive mine wastewater treatment device according to the present invention.

[0016] In the figure: 1. Oxidation tank; 2. Sand filter tank; 3. Base; 4. Receiving bucket; 5. Water guide plate; 6. Baffle; 7. Conveyor; 8. Hopper; 9. Paddle; 10. Shaft; 11. Guide vane No. 1; 12. Guide vane No. 2; 13. Net frame; 14. Bending plate; 15. Large pulley; 16. Paddle shaft; 17. Paddle frame; 18. Paddle wheel; 19. Bucket sealing plate; 20. Top plate spring; 21. Small pulley; 22. Synchronous belt; 23. Guard plate; 24. V-shaped guide seat; 25. Spiral water guide plate; 26. Spiral net bucket; 27. Fixed frame; 28. Push frame ear; 29. ​​Connecting rod; 30. L-shaped frame seat; 31. Slide groove; 32. Connecting cap; 33. Bearing cap; 34. Sliding rod; 35. Rod sleeve; 36. Limiting cap; 37. Opening frame. DETAILED DESCRIPTION

[0017] The following description is intended to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are merely examples, and those skilled in the art may conceive of other obvious variations.

[0018] like Figures 1-8The device for comprehensive treatment of mine wastewater shown in the figure comprises an oxidation pond 1 and a sand filter 2 arranged on a base 3. Since the use of the oxidation pond 1 and the sand filter 2 to treat mine wastewater is an existing technology and has been widely used, it is not described in detail here. The oxidation pond 1 is higher than the sand filter 2. A receiving bucket 4 is provided below the outlet end of the oxidation pond 1, which can allow the wastewater to fall to a certain height so that it has sufficient impact force to impact the paddle 9, allowing the sheet shaft 10 to rotate. The receiving bucket 4 plays the role of receiving the wastewater, and the lower end of the receiving bucket 4 A water guide pan 5 is extended from the bottom, and the receiving bucket 4 and the water guide pan 5 are fixed on the base 3. The water guide pan 5 plays the role of guiding the water flow. A spiral net bucket 26 is fixedly installed at the end of the water guide pan 5. The spiral net bucket 26 is located above the sand filter 2. The spiral net bucket 26 can allow the wastewater to flow in a spiral, and during the flow process, most of the wastewater can pass through the spiral net bucket 26 and fall into the sand filter 2. A conveyor 7 is fixedly installed above the sand filter 2. The conveyor 7 plays the role of sending out the flocculated suspended matter. Because the use of the conveyor 7 for transportation is an existing technology, The conveyor belt of the conveyor 7 is arranged in a mesh shape, which can remove excess wastewater on the suspended matter. The lower end of the spiral net bucket 26 corresponds to the conveyor 7. The internal rotation of the receiving bucket 4 is provided with a sheet shaft 10. The two ends of the sheet shaft 10 pass through the two sides of the receiving bucket 4. A plurality of paddles 9 are fixedly installed in a circular array in the middle of the outer surface of the sheet shaft 10. The sheet shaft 10 plays the role of carrying the paddle 9. A mesh frame 13 is slidingly provided above the water guide plate 5. The interior of the mesh frame 13 is provided with a flocculating An L-shaped frame seat 30 is extended from the side of the screen frame 13, and the L-shaped frame seat 30 plays a connecting role. A connecting rod 29 is rotatably installed on the end of the L-shaped frame seat 30. A push frame ear 28 is extended from one end of the film shaft 10, and the push frame ear 28 is rotatably connected to the connecting rod 29. The film shaft 10 drives the push frame ear 28 to rotate, so as to push the screen frame 13 through the connecting rod 29, so that the screen frame 13 swings, so that the flocculant in the screen frame 13 can fall into the wastewater flowing in the water guide tray 5, so that the suspended matter in the wastewater is flocculated into large particles. A discharge piece is provided on the upper part of the receiving bucket 4.

[0019] Bending plates 14 are fixedly installed on both sides of the water guide plate 5, and chutes 31 are opened on both sides of the screen frame 13. The cooperation between the bending plates 14 and the chutes 31 serves to guide the screen frame 13, and the ends of the bending plates 14 are slidably installed inside the chutes 31.

[0020] A guard plate 23 is fixedly installed on the frame of the conveyor 7. The guard plate 23 serves to block the flocculated suspended matter on the conveyor belt. A baffle shell 6 is coaxially arranged on the outer side of the spiral net bucket 26. The baffle shell 6 can block the wastewater and make the wastewater fall into the sand filter tank 2. The baffle shell 6 is fixed to the base 3. A V-shaped guide seat 24 is fixedly installed on the upper end of the guard plate 23. The V-shaped guide seat 24 is located below the baffle shell 6. The V-shaped guide seat 24 can drain the falling wastewater to prevent the wastewater from impacting the flocculated suspended matter on the conveyor belt.

[0021] A fixing frame 27 is fixedly installed at the inner center position of the baffle shell 6, and a spiral water guide plate 25 is provided below the spiral net bucket 26. When the wastewater passes through the spiral net bucket 26, it will fall on the spiral water guide plate 25 and fall into the sand filter tank 2 from the four sides of the spiral water guide plate 25. The spiral net bucket 26 and the spiral water guide plate 25 are both fixed to the outer surface of the fixing frame 27, and the fixing frame 27 serves to fix the spiral net bucket 26 and the spiral water guide plate 25.

[0022] The inner bottom surface of the water guide plate 5 has a linear array of multiple No. 1 guide vanes 11 extending obliquely, and the inner bottom surface of the water guide plate 5 has a linear array of multiple No. 2 guide vanes 12 extending obliquely. The multiple No. 1 guide vanes 11 and the multiple No. 2 guide vanes 12 are staggered, and the inclination direction of the No. 1 guide vane 11 is opposite to the inclination direction of the No. 2 guide vane 12. The No. 1 guide vane 11 and the No. 2 guide vane 12 can drive the wastewater to be repeatedly deflected, so that the flocculant can be fully dissolved in the wastewater, so as to facilitate flocculation of suspended matter in the wastewater.

[0023] The discharge part includes a hopper 8 fixedly mounted on the upper part of the receiving hopper 4, the outlet of the hopper 8 is located above the mesh frame 13, and the hopper 8 serves to store flocculant. A bearing cap 33 is fixedly mounted on the side of the hopper 8, and a closing plate 19 is rotatably mounted on the lower end of the bearing cap 33. The bearing cap 33 serves to support the closing plate 19, and the closing plate 19 is blocked at the outlet of the hopper 8. A shift shaft 16 is rotatably mounted on the side of one of the curved plates 14, and a shift rack 17 is fixedly mounted on the end of the shift shaft 16. A dial wheel 18 is mounted on the end of the dial rack 17, and the shift rack 17 serves to connect the dial wheel 18, and the shift shaft 16 serves to drive the dial wheel 18 to rotate. The dial wheel 18 corresponds to the end of the closing plate 19, and the dial wheel 18 can push the closing plate 19 so that the closing plate 19 rotates with the bearing cap 33 as the center to open the hopper 8.

[0024] A small pulley 21 is coaxially embedded in the other end of the film shaft 10, and a large pulley 15 is coaxially embedded in the outer surface of the shift shaft 16. The large pulley 15 and the small pulley 21 allow the shift shaft 16 to rotate slowly. A synchronous belt 22 is connected between the large pulley 15 and the small pulley 21, and the synchronous belt 22 connects the film shaft 10 and the shift shaft 16 together.

[0025] The top plate spring 20 is wound around the outer side of the slide bar 34, and one end of the top plate spring 20 is fixed to the connecting cap 32, and the other end of the top plate spring 20 is fixed to the other end of the rod sleeve 35, and the top plate spring 20 can push the closing bucket plate 19 to reset the moving closing bucket plate 19.

[0026] During wastewater treatment, the mine wastewater is added to the oxidation pond 1 to remove soluble pollutants in the wastewater under the action of the oxidation pond 1. The wastewater then enters the sand filter 2 to use the sand filter 2 to adsorb and remove suspended solids in the wastewater to make it clear, thereby comprehensively treating the wastewater. When the wastewater enters the sand filter 2 from the oxidation pond 1, the wastewater discharged from the outlet end of the oxidation pond 1 will fall into the receiving bucket 4 and flow in the water guide plate 5. During this process, when the wastewater falls into the receiving bucket 4, it will impact the paddle 9 in the receiving bucket 4 to drive the blade shaft 10 rotates, and then drives the dial shaft 16 to rotate slowly through the synchronous belt 22, so as to drive the dial wheel 18 on the dial frame 17 to rotate, and pushes the closing hopper plate 19 during the rotation, so that the closing hopper plate 19 rotates with the bearing cap 33 as the center to open the hopper 8, so that the flocculant stored in the hopper 8 can fall into the net frame 13. At this time, the slide rod 34 slides in the rod sleeve 35, and the top plate spring 20 is deformed. When the dial wheel 18 rotates away from the closing hopper plate 19, the top plate spring 20 recovers its deformation to push the closing hopper plate 19, so that the closing hopper plate 1 9 is reset to seal the hopper 8, so as to circulate and ensure that there is always enough flocculant in the net frame 13, and avoid too much flocculant in the net frame 13 affecting the swing. At the same time, the rotating sheet shaft 10 will also drive the push frame ear 28 to rotate, so as to push the net frame 13 through the connecting rod 29, so that the net frame 13 swings, so that the flocculant in the net frame 13 can fall into the wastewater flowing in the water guide plate 5, so that the suspended matter in the wastewater is flocculated into large particles, and then the wastewater mixed with the large particles of suspended matter flows to the spiral net bucket 26 and flows along the spiral net bucket 26. The net bucket 26 performs a spiral flow, so that during the flow process, most of the wastewater passes through the spiral net bucket 26 and falls into the sand filter 2. At the same time, a small amount of wastewater and flocculated large suspended particles are discharged from the spiral net bucket 26 and fall onto the conveyor 7. Under the action of the mesh conveyor belt of the conveyor 7, the flocculated large suspended particles are intercepted and sent out. At the same time, a small amount of wastewater also enters the sand filter 2. In this way, when the wastewater enters the sand filter 2, most of the suspended matter in the wastewater is flocculated and discharged, thereby delaying the filter layer clogging period of the sand filter 2.

[0027] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A comprehensive mine wastewater treatment device, comprising an oxidation pond (1) and a sand filter (2) arranged on a base (3), characterized in that: The oxidation pond (1) is higher than the sand filter (2). A receiving bucket (4) is provided below the water outlet of the oxidation pond (1). A water guide plate (5) extends from the lower end of the receiving bucket (4). The receiving bucket (4) and the water guide plate (5) are fixed on the base (3). A spiral net bucket (26) is fixedly installed at the end of the water guide plate (5). The spiral net bucket (26) is located above the sand filter (2). A conveyor (7) is fixedly installed above the sand filter (2). The conveyor belt of the conveyor (7) is arranged in a mesh shape. The lower end of the spiral net bucket (26) corresponds to the conveyor (7). The internal rotating device of the receiving bucket (4) is arranged A film shaft (10) is installed, and both ends of the film shaft (10) pass through both sides of the receiving bucket (4). A plurality of paddles (9) are fixedly installed in a ring array in the middle of the outer surface of the film shaft (10). A screen frame (13) is slidably arranged above the water guide plate (5). Flocculant is filled in the interior of the screen frame (13). An L-shaped frame seat (30) extends from the side of the screen frame (13). A connecting rod (29) is rotatably installed at the end of the L-shaped frame seat (30). A push frame ear (28) extends from one end of the film shaft (10). The push frame ear (28) is rotatably connected to the connecting rod (29). A material discharge piece is provided on the upper part of the receiving bucket (4).

2. A comprehensive mine wastewater treatment device according to claim 1, characterized in that: Bending plates (14) are fixedly mounted on both sides of the water guide tray (5), and sliding grooves (31) are provided on both sides of the net frame (13), with the ends of the bending plates (14) being slidably mounted inside the sliding grooves (31).

3. The comprehensive mine wastewater treatment device according to claim 1, characterized in that: A guard plate (23) is fixedly mounted on the frame of the conveyor (7), a retaining shell (6) is coaxially arranged on the outer side of the spiral net bucket (26), the retaining shell (6) is fixed to the base (3), and a V-shaped guide seat (24) is fixedly mounted on the upper end of the guard plate (23), and the V-shaped guide seat (24) is located below the retaining shell (6).

4. A comprehensive mine wastewater treatment device according to claim 3, characterized in that: A fixing frame (27) is fixedly installed at the inner center position of the baffle shell (6), and a spiral water guide plate (25) is provided below the spiral net bucket (26). The spiral net bucket (26) and the spiral water guide plate (25) are both fixed to the outer surface of the fixing frame (27).

5. The comprehensive mine wastewater treatment device according to claim 1, characterized in that: The inner bottom surface of the water guide plate (5) is provided with a plurality of first guide vanes (11) extending obliquely in a linear array, and the inner bottom surface of the water guide plate (5) is provided with a plurality of second guide vanes (12) extending obliquely in a linear array. The plurality of first guide vanes (11) and the plurality of second guide vanes (12) are arranged in a staggered manner, and the inclination direction of the first guide vane (11) is opposite to the inclination direction of the second guide vane (12).

6. The comprehensive mine wastewater treatment device according to claim 2, characterized in that: The material discharge member includes a hopper (8) fixedly mounted on the upper part of the receiving hopper (4), the outlet of the hopper (8) is located above the mesh frame (13), a supporting cap (33) is fixedly mounted on the side of the hopper (8), a hopper closing plate (19) is rotatably mounted on the lower end of the supporting cap (33), and the hopper closing plate (19) is blocked at the outlet of the hopper (8), a shifting shaft (16) is rotatably mounted on the side of one of the bent plates (14), a shifting frame (17) is fixedly mounted on the end of the shifting shaft (16), a shifting wheel (18) is mounted on the end of the shifting frame (17), and the shifting wheel (18) corresponds to the end of the hopper closing plate (19).

7. The comprehensive mine wastewater treatment device according to claim 6, characterized in that: The other end of the film shaft (10) is coaxially inlaid with a small pulley (21), the outer surface of the shift shaft (16) is coaxially inlaid with a large pulley (15), and a synchronous belt (22) is connected between the large pulley (15) and the small pulley (21).

8. The comprehensive mine wastewater treatment device according to claim 6, characterized in that: A connecting cap (32) is rotatably mounted near the edge of the upper end of the closure plate (19), a sliding rod (34) is extended from the outer surface of the connecting cap (32), an opening frame (37) is fixedly mounted on the outer surface of the bearing cap (33), a rod sleeve (35) is rotatably mounted on the end of the opening frame (37), the rod sleeve (35) is slidably mounted on the outer surface of the sliding rod (34), a limiting cap (36) is coaxially embedded in the end of the sliding rod (34), the limiting cap (36) is pressed against one end of the rod sleeve (35), a top plate spring (20) is wound around the outer side of the sliding rod (34), one end of the top plate spring (20) is fixed to the connecting cap (32), and the other end of the top plate spring (20) is fixed to the other end of the rod sleeve (35).

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