CCD countercurrent washing flocculant adding and distributing device

Abstract

The utility model discloses a CCD countercurrent washing flocculant adding and distributing device which comprises a barrel body, a discharging pipe, a valve body, a stirring mechanism and a monitoring mechanism, and a feeding port and a discharging port are formed in the barrel body; a first inlet of the discharging pipe is connected to the discharging opening; the valve body is arranged on the discharging pipe; the stirring mechanism comprises a first motor and a stirring rod, the first motor is arranged at the top of the barrel, and an output shaft of the first motor is connected with the stirring rod; the monitoring mechanism comprises a circulating pipe, a first pump body and a flow meter, an inlet of the first pump body is communicated with the barrel body, an outlet of the first pump body is communicated with an inlet of the circulating pipe, an outlet of the circulating pipe is communicated with the barrel body, and the flow meter is arranged on the circulating pipe. A flocculating agent solution is stirred through the stirring rod, so that a flocculating agent is kept in a suspended state; a circulating pipe is arranged, so that a flocculating agent solution can circularly flow, and the possibility of precipitating and caking of a flocculating agent is reduced; meanwhile, the flow meter can continuously monitor the flow, and when the flocculating agent is coagulated and settled, the coagulated and settled flocculating agent can be found in time.

Description

Technical Field

[0001] This application relates to the field of laterite nickel ore processing technology, specifically to a CCD countercurrent washing flocculant addition and distribution device. Background Technology

[0002] A thickener is the core equipment for liquid-solid separation in the hydrometallurgical process of laterite nickel ore. In actual production, the clarification rate of the slurry and the settling rate of the mineral particles in the thickener largely depend on the size of the mineral particles in the slurry. Fine mineral particles are in a colloidal or semi-colloidal state, and their settling rate in the solution is very slow, sometimes even remaining suspended for a long time. Therefore, flocculants need to be added during the settling process to aggregate the dispersed fine mineral particles into larger aggregates, thereby accelerating the settling rate of the mineral particles.

[0003] Chinese patent CN214436778U discloses a device for quantitatively adding flocculant to slurry, including a slurry pipeline. A perforated steel pipe is vertically installed through one end of the slurry pipeline. A valve is connected to one end of the perforated steel pipe via a connecting pipe. A flow meter is connected to the end of the valve away from the perforated steel pipe via a connecting pipe. A flocculant tank is connected to the end of the flow meter away from the valve via a connecting pipe. A directional component is installed at the connection between the perforated steel pipe and the connecting pipe. The directional component includes a directional motor, a fixed sleeve, a rotating sleeve, a driven gear, and a drive gear. A fixed sleeve is sleeved on the outer side of the connecting pipe near the perforated steel pipe. A rotating sleeve is sleeved on the outer side of the perforated steel pipe near the connecting pipe. A driven gear is installed on the outer side of the rotating sleeve. A drive gear meshes with one side of the driven gear. A directional motor is installed at one end of the middle of the drive gear.

[0004] The above-mentioned device has the following defects: when the flocculant is stored in the flocculant tank, it is easy for sedimentation and agglomeration to occur. If it is not detected in time, it will affect subsequent use and production efficiency. Summary of the Invention

[0005] The purpose of this application is to overcome the above-mentioned technical deficiencies and propose a CCD countercurrent washing flocculant addition and distribution device to solve the technical problem that the flocculant cannot be detected in time when it condenses and precipitates.

[0006] To achieve the above technical objectives, the technical solution of this application provides a CCD countercurrent washing flocculant addition and distribution device, including a tank body, wherein the tank body is provided with an inlet and an outlet.

[0007] A discharge pipe, wherein the first inlet of the discharge pipe is connected to the discharge port;

[0008] Valve body, the valve body being disposed on the discharge pipe;

[0009] A stirring mechanism, comprising a first motor and a stirring rod, wherein the first motor is disposed at the top of the barrel, and the output shaft of the first motor passes through the top of the barrel and is connected to the stirring rod; and...

[0010] The monitoring mechanism includes a circulation pipe, a first pump body, and a flow meter. The inlet of the first pump body is connected to the bottom of the barrel, the outlet of the first pump body is connected to the inlet of the circulation pipe, the outlet of the circulation pipe is connected to the top of the barrel, and the flow meter is installed on the circulation pipe.

[0011] In some embodiments, the CCD countercurrent washing flocculant addition and distribution device further includes a dilution mechanism, which includes a dilution pipe and a second pump body. The inlet of the second pump body is used to introduce the supernatant after thickening by the thickener. The outlet of the second pump body is connected to the inlet of the dilution pipe. The outlet of the dilution pipe is connected to the second inlet of the discharge pipe. The outlet of the discharge pipe is connected to the inlet of the thickener.

[0012] In some embodiments, the CCD countercurrent washing flocculant addition and distribution device further includes a rinsing mechanism, which includes a rinsing pipe and a third pump body. The inlet of the third pump body is used to introduce high-pressure gas, the outlet of the third pump body is connected to the inlet of the rinsing pipe, the outlet of the rinsing pipe is connected to the outlet of the circulation pipe, and a valve is provided at the outlet of the circulation pipe.

[0013] In some embodiments, a check valve is installed on the flushing pipe.

[0014] In some embodiments, the flushing pipe is provided with a filter.

[0015] In some embodiments, the top and bottom of the barrel are provided with tubes, the circulation tube is slidably connected to the two tubes, and the barrel is provided with a drive mechanism for driving the circulation tube to vibrate.

[0016] In some embodiments, the end of the circulation pipe is provided with a sealing layer, the outer side of which abuts against the pipe body.

[0017] In some embodiments, the drive mechanism includes a second motor, a cam, and a protrusion disposed on the barrel body. The cam is disposed on the output shaft of the second motor, and the protrusion is disposed on the circulation tube. The protrusion is used to intermittently contact the cam, and the barrel body is provided with a reset component for resetting the circulation tube.

[0018] In some embodiments, the reset assembly includes a spring sleeved on the circulation tube, one end of the spring being connected to the circulation tube and the other end of the spring being connected to the tube body. When the spring is in a stretched state, the spring causes the circulation tube to tend to slide towards the barrel body.

[0019] In some embodiments, the outlet of the discharge pipe is connected to multiple discharge pipes for introducing flocculant into different locations of the feed well of the thickener.

[0020] Compared with the prior art, the beneficial effects of this application include: the stirring rod continuously stirs the flocculant solution in the tank, so that the flocculant always remains in a uniform suspension state; by setting up a circulation pipe, the flocculant solution can be continuously circulated, reducing the possibility of flocculant sedimentation and agglomeration; at the same time, the flow meter can continuously monitor the flow rate, and when the flocculant coagulates and precipitates, it can be detected in time, thus improving production efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the flocculant addition and distribution device provided in this application;

[0022] Figure 2 This is a cross-sectional view of the overall structure of the thickener provided in this application.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Barrel body; 11. Inlet; 12. Outlet; 13. Outlet pipe; 14. Valve body; 15. Addition pipe; 2. Stirring mechanism; 21. First motor; 22. Stirring rod; 23. Pipe body; 24. Sealing layer; 3. Monitoring mechanism; 31. Circulation pipe; 32. First pump body; 33. Flow meter; 4. Dilution mechanism; 41. Dilution pipe; 42. Thickener; 43. Second pump body; 5. Flushing pipe; 51. Third pump body; 52. Valve; 53. Check valve; 54. Filter; 6. Drive mechanism; 61. Second motor; 62. Cam; 63. Protrusion; 64. Reset assembly; 641. Spring. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0026] This application provides a CCD countercurrent washing flocculant addition and distribution device, the structure of which is as follows: Figure 1-2 As shown, it includes a barrel body 1, a discharge pipe 13, a valve body 14, a stirring mechanism 2, and a monitoring mechanism 3.

[0027] The barrel 1 is provided with an inlet 11 and an outlet 12.

[0028] The first inlet of the discharge pipe 13 is connected to the discharge port 12.

[0029] The valve body 14 is located on the discharge pipe 13.

[0030] The stirring mechanism 2 includes a first motor 21 and a stirring rod 22. The first motor 21 is located at the top of the barrel 1, and the output shaft of the first motor 21 passes through the top of the barrel 1 and is connected to the stirring rod 22.

[0031] The monitoring mechanism 3 includes a circulation pipe 31, a first pump body 32, and a flow meter 33. The inlet of the first pump body 32 is connected to the bottom of the barrel 1, the outlet of the first pump body 32 is connected to the inlet of the circulation pipe 31, the outlet of the circulation pipe 31 is connected to the top of the barrel 1, and the flow meter 33 is mounted on the circulation pipe 31.

[0032] During operation, the first motor 21 starts when the device begins running. The output shaft of the first motor 21 drives the stirring rod 22 to rotate. The stirring rod 22 stirs the flocculant solution in the tank 1, ensuring uniform mixing, preventing flocculant sedimentation, and ensuring the flocculant remains in a uniform suspension state within the tank 1. The first pump 32 extracts the flocculant solution from the bottom of the tank 1 and transports it through a pipeline to the circulation pipe 31. The flocculant solution flows in the circulation pipe 31, and the flow meter 33 monitors the flow rate of the flocculant solution in the circulation pipe 31 in real time. Since the outlet of the circulation pipe 31 is connected to the top of the tank 1, the flocculant solution returns to the tank 1 after flowing through the circulation pipe 31, forming a cycle. This cycle not only reduces the possibility of flocculant sedimentation and agglomeration but also allows for continuous monitoring of the flocculant solution flow rate.

[0033] In this application, the stirring rod 22 continuously stirs the flocculant solution in the tank 1, so that the flocculant always remains in a uniform suspension state; by setting the circulation pipe 31, the flocculant solution can be continuously circulated, reducing the possibility of flocculant sedimentation and agglomeration; at the same time, the flow meter 33 can continuously monitor the flow rate, and when the flocculant coagulates and precipitates, it can be detected in time, thus improving production efficiency.

[0034] To dilute the flocculant in advance, please refer to... Figure 2 In a preferred embodiment, the CCD countercurrent washing flocculant addition and distribution device further includes a dilution mechanism 4, which includes a dilution pipe 41 and a second pump body 43. The inlet of the second pump body 43 is used to introduce the supernatant after thickening by the thickener 42. The outlet of the second pump body 43 is connected to the inlet of the dilution pipe 41. The outlet of the dilution pipe 41 is connected to the second inlet of the discharge pipe 13. The outlet of the discharge pipe 13 is connected to the inlet of the thickener 42.

[0035] During operation, when dilution of the flocculant in the discharge pipe 13 is required, the second pump 43 is activated. The inlet of the second pump 43 is connected to the supernatant in the thickener 42. The pump's suction draws out the supernatant from the thickener 42. The drawn-out supernatant enters the dilution pipe 41 through the outlet of the second pump 43. The supernatant in the dilution pipe 41 mixes with the flocculant in the discharge pipe 13 at the second inlet of the discharge pipe 13. The addition of the supernatant reduces the concentration of the flocculant in the discharge pipe 13, achieving dilution. The diluted flocculant then re-enters the thickener 42 through the outlet of the discharge pipe 13 for a new round of solid-liquid separation and processing. This prevents the flocculant from remaining stagnant in the discharge pipe 13, reducing the possibility of blockage, and also allows for pre-dilution of the flocculant, preventing it from accumulating and settling in the discharge pipe 13.

[0036] To flush the inside of circulation pipe 31, please refer to... Figure 1 In a preferred embodiment, the CCD countercurrent washing flocculant addition and distribution device further includes a rinsing mechanism, which includes a rinsing pipe 5 and a third pump body 51. The inlet of the third pump body 51 is used to introduce high-pressure gas, the outlet of the third pump body 51 is connected to the inlet of the rinsing pipe 5, the outlet of the rinsing pipe 5 is connected to the outlet of the circulation pipe 31, and a valve 52 is provided at the outlet of the circulation pipe 31.

[0037] When the circulation pipe 31 becomes clogged during use, it needs to be flushed. To do this, the third pump 51 is activated. High-pressure gas is drawn into the pump 51 through its inlet. The third pump 51 then pressurizes the gas again before delivering it to the flushing pipe 5 through its outlet. Since the outlet of the flushing pipe 5 is connected to the outlet of the circulation pipe 31, the high-pressure gas enters the circulation pipe 31 under pressure and flows within it, flushing the inner wall of the circulation pipe 31. The high-pressure gas can flush away any residual flocculant, impurities, or dirt in the circulation pipe 31, preventing these substances from accumulating and affecting the accuracy of the flow meter 33 and the normal operation of the device. A valve 52 is installed at the outlet of the circulation pipe 31. During flushing, the valve 52 can be adjusted as needed. The valve 52 can be closed to maintain a certain pressure in the circulation pipe 31, enhancing the flushing effect; alternatively, the valve 52 can be partially opened to allow the flushing water containing impurities to flow out slowly, allowing for observation of the flushing process.

[0038] To reduce the amount of flocculant in circulation pipe 31 entering flushing pipe 5, please refer to... Figure 1 In a preferred embodiment, a check valve 53 is installed on the flushing pipe 5.

[0039] During use, if the pressure in the circulation pipe 31 is higher than the pressure in the flushing pipe 5 during the flushing process, the check valve 53 will close immediately to prevent water or a mixture that may contain impurities such as flocculants in the circulation pipe 31 from flowing back into the flushing pipe 5 and the second pump body 43. This protects the second pump body 43 and the clean water source from contamination. The presence of the check valve 53 ensures that the clean water always flows from the flushing pipe 5 to the circulation pipe 31 in the predetermined direction for flushing, and there will be no reverse flow, thus ensuring the effectiveness and stability of the flushing operation.

[0040] To improve the cleanliness of the water in flushing pipe 5, please refer to... Figure 1 In a preferred embodiment, the flushing pipe 5 is provided with a filter 54.

[0041] During use, the filter 54 installed on the flushing pipe 5 filters the clean water, removes impurities, and improves the cleanliness of the flushing water.

[0042] To clear any blockages in the circulation pipe 31, please refer to... Figure 1 In a preferred embodiment, the top and bottom of the barrel 1 are provided with tubes 23, the circulation pipe 31 is slidably connected to the two tubes 23, and the barrel 1 is provided with a drive mechanism 6 for driving the circulation pipe 31 to vibrate.

[0043] When a blockage is detected in the circulation tube 31 during use, the drive mechanism 6 is activated. The circulation tube 31 begins to vibrate under the action of the drive mechanism 6. By vibrating the circulation tube 31, these particles and impurities can be loosened, preventing them from forming a stable accumulation on the inner wall of the circulation tube 31, thereby reducing the risk of blockage.

[0044] To improve the airtightness between the circulation pipe 31 and the pipe body 23, please refer to... Figure 1 In a preferred embodiment, the end of the circulation pipe 31 is provided with a sealing layer 24, and the outer side of the sealing layer 24 abuts against the pipe body 23.

[0045] During use, on the one hand, the outer side of the sealing layer 24 tightly abuts against the tube body 23, forming a sealing barrier to prevent solution leakage from the connection between the circulation tube 31 and the tube body 23; on the other hand, the abutting action of the sealing layer 24 can also increase the connection stability between the circulation tube 31 and the tube body 23. When the circulation tube 31 vibrates or is subjected to external forces, the sealing layer 24 can act as a buffer and shock absorber, reducing loosening and wear at the connection points and extending the service life of the device.

[0046] To drive the circulation tube 31 to move, please refer to... Figure 1In a preferred embodiment, the drive mechanism 6 includes a second motor 61, a cam 62, and a protrusion 63 disposed on the barrel 1. The cam 62 is disposed on the output shaft of the second motor 61, and the protrusion 63 is disposed on the circulation pipe 31. The protrusion 63 is used to intermittently contact the cam 62. The barrel 1 is provided with a reset component 64 for resetting the circulation pipe 31.

[0047] In use, when it is necessary to drive the circulation tube 31 to vibrate, the second motor 61 is started. The output shaft of the second motor 61 begins to rotate, driving the cam 62 to rotate as well. As the cam 62 rotates, the protruding part of the cam 62 gradually approaches and intermittently contacts the protrusion 63 on the circulation tube 31. When the protruding part of the cam 62 contacts the protrusion 63, the cam 62 applies a pushing force to the protrusion 63. Since the protrusion 63 is fixed on the circulation tube 31, this pushing force is transmitted to the circulation tube 31, causing the circulation tube 31 to begin to move against the force of the reset assembly 64. Under the push of the cam 62, the circulation tube 31 slides along the tube body 23 at the top and bottom of the barrel 1. When the protruding part of the cam 62 rotates away from the protrusion 63, the reset assembly 64 begins to function. When the cam 62 no longer applies a pushing force, the reset assembly 64 applies a reverse pulling or pressing force to the circulation tube 31, causing the circulation tube 31 to move back to its initial position.

[0048] To reset circulation tube 31, please refer to... Figure 1 In a preferred embodiment, the reset assembly 64 includes a spring sleeved on the circulation tube 31, one end of the spring being connected to the circulation tube 31 and the other end of the spring being connected to the tube body 23. When the spring is in a stretched state, the spring causes the circulation tube 31 to tend to slide towards the barrel body 1.

[0049] When in use, the spring is in a stretched state when the device is not started or when cam 62 is not in contact with protrusion 63. One end of the spring is connected to the circulation pipe 31, and the other end is connected to the pipe body 23. Due to the tension of the spring, the circulation pipe 31 tends to slide towards the barrel body 1. After the motor is started, cam 62 rotates with the output shaft of the second motor 61. When the protruding part of cam 62 contacts protrusion 63 on the circulation pipe 31, cam 62 applies a pushing force to protrusion 63, pushing the circulation pipe 31 to overcome the tension of the spring and slide away from the barrel body 1. Under the action of cam 62, the circulation pipe 31 gradually moves away from the barrel body 1, and the spring is further stretched. As cam 62 continues to rotate, the protruding part of cam 62 rotates away from protrusion 63. At this point, the thrust of cam 62 on circulation tube 31 disappears. Since the spring is under tension, it begins to contract after the thrust of cam 62 disappears. The contraction force of the spring pulls circulation tube 31 towards barrel 1, causing circulation tube 31 to return to its initial position or near its initial position. As the second motor 61 continues to operate, cam 62 intermittently contacts and separates from protrusion 63. Under the pushing action of cam 62 and the restoring action of the spring, circulation tube 31 continuously reciprocates, producing a vibration effect.

[0050] To improve the uniformity of flocculant addition, please refer to... Figure 1 In a preferred embodiment, the outlet of the discharge pipe 13 is connected to a plurality of discharge pipes 15 for discharging flocculant into different positions of the feed well of the thickener.

[0051] When in use, setting multiple addition tubes 15 can make the flocculant more evenly distributed in the thickener 42, thus improving production quality.

[0052] To better understand this application, the following is combined with... Figure 1-2 The working principle of the CCD countercurrent washing flocculant addition and distribution device 1 of this application is described in detail below: When the device starts running, the first motor 21 is activated. The output shaft of the first motor 21 drives the stirring rod 22 to rotate. The stirring rod 22 stirs the flocculant solution in the tank 1, making it uniformly mixed, preventing flocculant sedimentation, and ensuring that the flocculant is in a uniform suspension state in the tank 1. The first pump 32 draws out the flocculant solution from the bottom of the tank 1 and transports it to the circulation pipe 31 through a pipeline. The flocculant solution flows in the circulation pipe 31, and the flow meter 33 monitors the flow rate of the flocculant solution in the circulation pipe 31 in real time. Since the outlet of the circulation pipe 31 is connected to the top of the tank 1, the flocculant solution returns to the tank 1 after flowing through the circulation pipe 31, forming a cycle. Through this cycle, not only can the possibility of flocculant sedimentation and agglomeration be reduced, but the flow rate of the flocculant solution can also be continuously monitored.

[0053] The specific embodiments described above do not constitute a limitation on the scope of protection of this application. Any other corresponding changes and modifications made based on the technical concept of this application should be included within the scope of protection of the claims of this application.

Claims

1. A CCD counter-current wash flocculant addition distribution device characterized by, The CCD countercurrent washing and flocculant adding and distributing device comprises a barrel, a feeding port and a discharging port arranged on the barrel, a discharging pipe, a valve, a stirring mechanism, and a monitoring mechanism. The CCD countercurrent washing and flocculant adding and distributing device further comprises a diluting mechanism, a flushing mechanism, and a plurality of discharging pipes. The CCD countercurrent washing and flocculant adding and distributing device further comprises a flushing mechanism. The flushing pipe is provided with a check valve. The flushing pipe is provided with a filter. The barrel is provided with a pipe body at the top and the bottom, the circulating pipe is slidably connected to the two pipe bodies, and the barrel is provided with a driving mechanism for driving the circulating pipe to vibrate.

2. A device for dispensing a flocculant into a CCD wash according to claim 1, wherein, The end of the circulating pipe is provided with a sealing layer, and the outer side of the sealing layer abuts against the pipe body.

3. A device for dispensing a flocculant into a CCD wash tank according to claim 1, wherein The driving mechanism comprises a second motor arranged on the barrel, a cam, and a protruding block, the cam is arranged on the output shaft of the second motor, the protruding block is arranged on the circulating pipe, the protruding block is used for intermittent contact with the cam, and the barrel is provided with a reset assembly for resetting the circulating pipe.

4. A device for dispensing a flocculant into a CCD wash according to claim 3, wherein, The reset assembly comprises a spring sleeved on the circulating pipe, one end of the spring is connected to the circulating pipe, and the other end of the spring is connected to the pipe body.

5. A device for dispensing a flocculant into a CCD according to claim 3, wherein The outlet of the discharging pipe is connected to the plurality of discharging pipes for feeding the flocculant to different positions of the feeding well of the thickener.

6. A device for dispensing a flocculant into a CCD wash according to claim 1, wherein, ​ 7. A device for dispensing a flocculant into a CCD according to claim 6, wherein ​ 8. A device for dispensing a flocculant into a CCD wash according to claim 6, wherein, ​ 9. A device for dispensing a flocculating agent in a CCD counter-current washing system according to claim 8, characterized in that ​ 10. A device for dispensing a flocculant into a CCD according to claim 1, wherein ​

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