Layered flow-aiding spiral chute concentrating machine and concentrating method

Abstract

The invention relates to the technical field of chute concentrating machines, and discloses a layered flow-aiding type spiral chute concentrating machine and a concentrating method.The layered flow-aiding type spiral chute concentrating machine comprises a device supporting frame, a water storage transfer mechanism is installed in the device supporting frame, a spiral chute is installed outside the water storage transfer mechanism, and a tailing collecting mechanism is installed outside the spiral chute; and a jet head is installed in the water storage transfer mechanism, a splitter plate is installed outside the water storage transfer mechanism, and a feeding opening is formed in the top of the device supporting frame. According to the layered flow-aiding type spiral chute concentrating machine, when mineral is subjected to spiral split-flow screening, the multiple jet flow heads are arranged between the spiral chutes, the jet flow heads can inject water flow into the spiral chutes at multiple positions in the split-flow screening process, concentrate can be prevented from being blocked on the inner sides of the spiral chutes in the screening process, and the separation efficiency of the concentrate is improved. Therefore, the screening efficiency of the concentrate is obviously improved.

Description

Technical Field

[0001] The invention relates to the technical field of chute concentrators, and in particular to a stratified flow-assisted spiral chute concentrator and a concentrator method. Background Art

[0002] The spiral chute concentrator is a device that uses water flow to drive the ore to move on a spiral chute to classify minerals. When the water flow drives the minerals to spiral down, the minerals will be distributed at different positions in the chute according to their density, and the minerals will be classified and screened according to their density.

[0003] Chinese patent CN110575902B discloses a spiral chute ore dressing machine with a specific guide groove, including a spiral chute, a separator, a feed chute, a bracket, a cutter chute, and a receiving bucket, characterized in that different numbers of grooves are arranged on the groove surface of each circle of the spiral chute. The shape of the groove on the surface of the spiral chute is a straight line, the groove length is 1 / 3 of the diameter of the spiral chute, the distance from the center end to the inner edge of the spiral chute is the diameter of the spiral chute, the groove is 28-32° with the radial direction, and the direction is from the outside of the spiral chute to the inside of the spiral chute, the lowest end (inner end) of the last groove of each circle is 20 mm vertically away from the end diameter of each circle, and the cross-sectional shape of each groove of the spiral chute is a right triangle.

[0004] In the above patents and prior art, when the spiral chute concentrator screens minerals, the concentrate with higher density is on the inner side of the spiral chute, the coarse ore with average density is in the middle of the spiral chute, and the impurities or tailings with lower density are on the outer side of the spiral chute. During the mineral processing process, most of the water flow passes through the outer side of the spiral chute, and the concentrate on the inner side of the spiral chute is easy to accumulate, thereby affecting the screening efficiency of the spiral chute. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a stratified flow-assisted spiral chute concentrator and a concentrator method.

[0006] A stratified flow-assisted spiral chute ore dressing machine and ore dressing method, comprising a device support frame, a water storage transfer mechanism is installed inside the device support frame, a spiral chute is installed outside the water storage transfer mechanism, a tailings collection mechanism is installed outside the spiral chute, a jet head is installed inside the water storage transfer mechanism, a diverter plate is installed outside the water storage transfer mechanism, and a feed port is installed on the top of the device support frame;

[0007] The spiral chute comprises an upper separation chute, a middle diversion chute and a lower diversion chute, the bottom of the upper separation chute is connected to the middle diversion chute, the bottom of the middle diversion chute is connected to the lower diversion chute, the outsides of the middle diversion chute and the lower diversion chute are connected to the tailings collection mechanism, and the middle parts of the upper separation chute, the middle diversion chute and the lower diversion chute are all provided with corresponding spray heads and diverter plates;

[0008] The jet head can simultaneously inject flowing water into the upper separation chute, the middle diversion chute and the lower diversion chute, and the upper separation chute, the middle diversion chute and the lower diversion chute can screen the ore in turn. When the water flow carries the ore and spirally flows downward along the upper separation chute, the middle diversion chute and the lower diversion chute, the diverter plate can guide the coarse ore with lower density in the upper layer of the water flow to the outside of the upper separation chute, the middle diversion chute and the lower diversion chute, and guide the concentrate with higher density in the water flow to the inside of the upper separation chute, the middle diversion chute and the lower diversion chute. The tailings collection mechanism can filter and separate the outermost tailings on the upper separation chute and the middle diversion chute.

[0009] Preferably, the water storage transfer mechanism includes a water storage cylinder, which is fixedly installed inside the device support frame, and a water inlet is arranged on the top of the water storage cylinder, and a lifting and reducing bin is installed inside the water storage cylinder, and a reducing spring is installed inside the lifting and reducing bin, and the movable end of the reducing spring is connected to the lifting and movable bin, and a lifting and reducing bin is fixedly installed on the top of the lifting and movable bin, and a lifting and reducing connecting column is connected to the outside of the lifting and reducing connecting column with a blocking connecting plate, and a nozzle blocking block is fixedly installed on the outside of the blocking connecting plate, and a limiting block is fixedly installed on the outside of the lifting and reducing connecting column, and a limiting slider is slidably installed inside the limiting block, and the other end of the limiting slider is fixedly connected to a diversion connecting rod.

[0010] Preferably, the lifting movable bin is slidably installed inside the lifting and decelerating bin through a decelerating spring, the outside of the lifting movable bin is fitted with the inside of the lifting and decelerating bin, and the inside of the lifting movable bin and the lifting and decelerating bin are sealed structures;

[0011] When the water level and water pressure inside the water storage cylinder change, the lifting movable bin can move up and down inside the lifting buffer bin. When the lifting movable bin moves up and down, the lifting connecting column can be driven to move up and down synchronously. The buffer spring can increase the sensitivity of the distance change between the lifting buffer bin and the lifting movable bin.

[0012] Preferably, three of the jet heads are fixedly mounted on the side wall of the water storage cylinder, one side of the water inlet of the three jet heads is arranged inside the water storage cylinder, the three jet heads correspond to the upper separation chute, the middle flow chute and the lower flow chute respectively, the jet head blocking block outside the blocking connecting plate corresponds to the two jet heads below, and the side of the jet head blocking block close to the jet head fits with the water inlet of the jet head;

[0013] When the lifting connection column moves up and down, it can synchronously drive the nozzle blocking block to move up and down through the blocking connection plate. When the nozzle blocking block moves up and down, the size of the water inlet of the jet head can be adjusted.

[0014] Preferably, the track for sliding connection between the limit card block and the limit slider is an inclined structure, one side of the diverter connecting rod is fixedly connected to the limit slider, and the other side of the diverter connecting rod is provided with three branches, and the three branches on the diverter connecting rod all pass through the side wall of the water storage cylinder and are fixedly connected to the diverter plate;

[0015] When the lifting connecting column moves up and down, it can drive the limit block to move up and down. When the limit block moves up and down, it can drive the limit slider to move horizontally. When the limit slider moves horizontally, the diverter connecting rod moves synchronously. When the diverter connecting rod moves, the position of the diverter plate can be adjusted.

[0016] Preferably, the discharge end of the upper separation chute is provided with an upper diversion block, the discharge end of the middle diversion chute is provided with a middle diversion block, and the discharge end of the lower diversion chute is provided with a bottom discharge port;

[0017] The discharge end of the upper separation chute is located below the feed port, the discharge end of the upper separation chute is connected to the feed end of the middle separation chute, and the discharge end of the middle separation chute is connected to the feed end of the lower separation chute.

[0018] Preferably, the upper diversion block can guide the tailings passing through the outermost side of the water flow on the upper separation chute and separate them through a tailings collection mechanism, and the middle diversion block can guide the tailings passing through the outermost side of the water flow on the middle diversion chute and separate them through a tailings collection mechanism.

[0019] Preferably, the tailings collection mechanism comprises a tailings storage bin, a tailings filter is fixedly installed inside the tailings storage bin, a tailings input pipe is fixedly installed inside the tailings storage bin, a first water outlet pipe is fixedly connected to the top of the tailings storage bin, and a second water outlet pipe is fixedly connected to the top of the tailings storage bin;

[0020] The bottom end of the tailings input pipe passes through the top of the tailings storage bin and extends above the tailings filter. The top end of the tailings input pipe is connected to the upper separation chute and the middle diversion chute at the same time. The tailings input pipe can transport the tailings and water separated by the upper diversion block and the middle diversion block to the bottom of the tailings filter inside the tailings storage bin.

[0021] Preferably, the interior of the tailings storage bin is communicated with the interior of the middle diversion chute via a first outlet pipe, and the interior of the tailings storage bin is communicated with the interior of the lower diversion chute via a second outlet pipe;

[0022] The tailings filter screen can filter the tailings below the tailings filter screen, the first water outlet pipe can input the overflowed water flow into the middle diversion chute, and the second water outlet pipe can transport the overflowed water flow to the lower diversion chute.

[0023] A mineral processing method uses the above-mentioned stratified flow-assisted spiral chute mineral processing machine.

[0024] Compared with the prior art, the present invention provides a stratified flow-assisted spiral chute concentrator and a concentrator method, which have the following beneficial effects:

[0025] 1. This type of stratified flow-assisted spiral chute concentrator is equipped with multiple jet heads between the spiral chutes when performing spiral diversion screening on the minerals. During the diversion screening process, the jet heads can inject water into the spiral chute at multiple positions, which can prevent the concentrate from being blocked on the inner side of the spiral chute during the screening process, thereby significantly improving the screening efficiency of the concentrate.

[0026] 2. This type of stratified flow-assisted spiral chute concentrator first injects water into the water storage cylinder during diversion screening. The water pressure at the bottom of the water storage cylinder is relatively large during diversion screening, and the water flow sprayed from the lower nozzle is also larger. During screening, the density of minerals on the lower diversion chute is also greater than that on the middle diversion chute and the upper separation chute, which can make the mineral flow more smoothly on the spiral chute and can make the position of the diversion plate change synchronously, thereby ensuring the stability of the entire mineral screening process.

[0027] 3. This type of stratified flow-assisted spiral chute concentrator can allow tailings to enter the tailings storage bin through the tailings input pipe during diversion screening. When water and tailings enter the tailings storage bin, the tailings are filtered by the tailings filter and remain at the bottom of the tailings storage bin. Water can overflow from the tailings storage bin through the tailings filter. The overflowed water can return to the spiral chute through the first outlet pipe and the second outlet pipe. During the ore screening process, the tailings collection mechanism can not only separate the tailings in time but also re-inject the separated water into the spiral chute. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 The three-dimensional structure of a layered flow-assisted spiral chute concentrator of the present invention is shown in FIG. Figure 1 ;

[0029] Figure 2 The three-dimensional structure of a layered flow-assisted spiral chute concentrator of the present invention is shown in FIG. Figure 2 ;

[0030] Figure 3 It is a three-dimensional structural schematic diagram of a water storage transfer mechanism of a stratified flow-assisted spiral chute concentrator of the present invention;

[0031] Figure 4 It is a schematic diagram of the internal structure of a water storage transfer mechanism of a stratified flow-assisted spiral chute concentrator of the present invention;

[0032] Figure 5 It is a schematic diagram of the internal structure of a lifting and slowing bin of a stratified flow-assisted spiral chute concentrator of the present invention;

[0033] Figure 6 It is a schematic diagram of the three-dimensional structure of a spiral chute of a stratified flow-assisted spiral chute concentrator of the present invention;

[0034] Figure 7 It is a schematic diagram of the internal structure of a spiral chute of a stratified flow-assisted spiral chute concentrator of the present invention;

[0035] Figure 8 The present invention is a schematic diagram of the three-dimensional structure of a tailings collection mechanism of a stratified flow-assisted spiral chute concentrator.

[0036] In the figure: 1. device support frame; 2. water storage transfer mechanism; 21. water storage cylinder; 22. water flow inlet; 23. lifting and easing bin; 24. easing spring; 25. lifting and easing movable bin; 26. lifting and easing connecting column; 27. blocking connecting plate; 28. nozzle blocking block; 29. ​​limit card block; 210. limit slider; 211. diversion connecting rod; 3. spiral chute; 31. upper separation chute; 32. middle diversion chute; 33. lower diversion chute; 34. upper diversion block; 35. middle diversion block; 36. bottom discharge port; 4. tailings collection mechanism; 41. tailings storage bin; 42. tailings filter; 43. tailings input pipe; 44. first water outlet pipe; 45. second water outlet pipe; 5. nozzle; 6. diversion plate; 7. feed port. DETAILED DESCRIPTION

[0037] 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.

[0038] As introduced in the background technology, there are deficiencies in the prior art. In order to solve the above technical problems, the present application proposes a stratified flow-assisted spiral chute concentrator and a concentrator method.

[0039] Embodiment 1:

[0040] See also Figure 1 - Figure 8 A stratified flow-assisted spiral chute concentrator comprises a device support frame 1, a water storage transfer mechanism 2 is installed inside the device support frame 1, a spiral chute 3 is installed outside the water storage transfer mechanism 2, a tailings collection mechanism 4 is installed outside the spiral chute 3, a jet head 5 is installed inside the water storage transfer mechanism 2, a diverter plate 6 is installed outside the water storage transfer mechanism 2, and a feed port 7 is installed on the top of the device support frame 1;

[0041] The spiral chute 3 includes an upper separation chute 31, a middle diversion chute 32 and a lower diversion chute 33. The bottom of the upper separation chute 31 is connected to the middle diversion chute 32, and the bottom of the middle diversion chute 32 is connected to the lower diversion chute 33. The outsides of the middle diversion chute 32 and the lower diversion chute 33 are connected to the tailings collection mechanism 4. The middle parts of the upper separation chute 31, the middle diversion chute 32 and the lower diversion chute 33 are all provided with corresponding spray heads 5 and diverter plates 6.

[0042] The jet head 5 can simultaneously inject flowing water into the upper separation chute 31, the middle diversion chute 32 and the lower diversion chute 33. The upper separation chute 31, the middle diversion chute 32 and the lower diversion chute 33 can screen the ore in turn. When the water flow carries the ore and flows spirally downward along the upper separation chute 31, the middle diversion chute 32 and the lower diversion chute 33, the diverter plate 6 can guide the coarse ore with lower density in the upper layer of the water flow to the outer side of the upper separation chute 31, the middle diversion chute 32 and the lower diversion chute 33, and guide the concentrate with higher density in the water flow to the inner side of the upper separation chute 31, the middle diversion chute 32 and the lower diversion chute 33. The tailings collection mechanism 4 can filter and separate the outermost tailings on the upper separation chute 31 and the middle diversion chute 32.

[0043] During operation, water is first injected into the water storage transfer mechanism 2, and then the ore to be screened is added to the upper separation chute 31 through the feed port 7. The water flow inside the water storage transfer mechanism 2 flows into the spiral chute 3 through the jet head 5. The water flow can drive the ore to move downward along the spiral chute 3. In the process of the water flow and the ore moving downward along the spiral chute 3, the concentrate with the highest density is located on the inner side of the spiral chute 3, the coarse ore with medium density is in the middle of the spiral chute 3, and the tailings with the lowest density is on the outer side of the spiral chute 3. During the screening process, the tailings collecting mechanism 4 can collect the tailings on the outer sides of the upper separation chute 31 and the middle diversion chute 32. The tailings collecting mechanism 4 can remove and separate the tailings in time during the screening process, and water flow is injected into the spiral chute 3 in sections through multiple jet heads 5 during the screening process, which can prevent the concentrate from being blocked on the inner side of the spiral chute 3 during the screening process, thereby significantly improving the screening efficiency of the concentrate.

[0044] Embodiment 2:

[0045] The difference from the above embodiment is that, please refer to Figure 3 - Figure 5 The water storage transfer mechanism 2 includes a water storage cylinder 21, which is fixedly installed inside the device support frame 1. A water flow inlet 22 is arranged on the top of the water storage cylinder 21. A lifting and deceleration bin 23 is installed inside the water storage cylinder 21. A deceleration spring 24 is installed inside the lifting and deceleration bin 23. The movable end of the deceleration spring 24 is connected to a lifting and movable bin 25. A lifting and deceleration connecting column 26 is fixedly installed on the top of the lifting and movable bin 25. A blocking connecting plate 27 is connected to the outside of the lifting and deceleration connecting column 26. A nozzle blocking block 28 is fixedly installed on the outside of the blocking connecting plate 27. A limiting block 29 is fixedly installed on the outside of the lifting and deceleration connecting column 26. A limiting slider 210 is slidably installed inside the limiting block 29. The other end of the limiting slider 210 is fixedly connected to a diversion connecting rod 211.

[0046] The lifting movable bin 25 is slidably installed inside the lifting and easing bin 23 through the easing spring 24, and the outside of the lifting movable bin 25 fits the inside of the lifting and easing bin 23, and the lifting movable bin 25 and the inside of the lifting and easing bin 23 are sealed structures;

[0047] When the water level and water pressure inside the water storage cylinder 21 change, the lifting movable chamber 25 can move up and down inside the lifting buffer chamber 23. When the lifting movable chamber 25 moves up and down, it can drive the lifting connecting column 26 to move up and down synchronously. The buffer spring 24 can increase the sensitivity of the distance change between the lifting buffer chamber 23 and the lifting movable chamber 25.

[0048] Three spray heads 5 are fixedly mounted on the side wall of the water storage cylinder 21. One side of the water inlet of the three spray heads 5 is arranged inside the water storage cylinder 21. The three spray heads 5 correspond to the upper separation chute 31, the middle flow chute 32 and the lower flow chute 33 respectively. The spray head blocking block 28 outside the sealing connecting plate 27 corresponds to the two spray heads 5 at the bottom. The side of the spray head blocking block 28 close to the spray head 5 is in contact with the water inlet of the spray head 5.

[0049] When the lifting connection column 26 moves up and down, it can synchronously drive the nozzle blocking block 28 to move up and down through the blocking connection plate 27. When the nozzle blocking block 28 moves up and down, the size of the water inlet of the jet head 5 can be adjusted.

[0050] The track for sliding connection between the limit block 29 and the limit slider 210 is an inclined structure, one side of the diverter connecting rod 211 is fixedly connected to the limit slider 210, and the other side of the diverter connecting rod 211 is provided with three branches, and the three branches on the diverter connecting rod 211 all pass through the side wall of the water storage cylinder 21 and are fixedly connected to the diverter plate 6;

[0051] When the lifting connecting column 26 moves up and down, it can drive the limit block 29 to move up and down. When the limit block 29 moves up and down, it can drive the limit slider 210 to move horizontally. When the limit slider 210 moves horizontally, the diverter connecting rod 211 moves synchronously. When the diverter connecting rod 211 moves, the position of the diverter plate 6 can be adjusted.

[0052] When the interior of the water storage cylinder 21 is empty, the lifting movable bin 25 and the lifting connecting column 26 are at the highest point. At this time, the nozzle blocking block 28 can block the water inlet of the two jet heads 5 below, and at this time, the diverter plate 6 is on the inner side of the spiral chute 3. When water is injected into the water storage cylinder 21 through the water flow inlet 22, since the water inlet of the two jet heads 5 below is blocked by the nozzle blocking block 28, the liquid level in the water storage cylinder 21 continues to rise. When the liquid level inside the water storage cylinder 21 rises, the water pressure on the lifting movable bin 25 gradually increases, causing the lifting movable bin 25 to move downward on the lifting and easing bin 23. When the lifting movable bin 25 moves downward, it can synchronously drive the lifting connecting column 26 and the limit block 29 to move downward. When the lifting connecting column 26 moves downward, it can drive the blocking connecting plate 27 to move downward synchronously. When the blocking connecting plate 27 moves, it can open the water inlet of the jet head 5 to allow the inside of the water storage cylinder 21 to be filled with water. Water flows out from all the jet heads 5 at the same time. During operation, the water pressure at the bottom of the water storage cylinder 21 is relatively large, and the water flow sprayed from the lower jet head 5 is also larger. During screening, the density of the minerals on the lower diversion chute 33 is also greater than the density of the minerals on the middle diversion chute 32 and the upper separation chute 31, which can make the minerals flow more smoothly on the spiral chute 3. When the limit block 29 moves downward, the limit slider 210 can be used to drive the diversion connecting rod 211 to move outward laterally. When the diversion connecting rod 211 moves outward laterally, it can drive the diversion plate 6 to move and adjust the position of the diversion plate 6. When it is necessary to screen minerals with higher density, a larger water flow is required. When the water pressure inside the water storage cylinder 21 increases, the water flow sprayed from the jet head 5 will also increase, so that the water flow speed inside the spiral chute 3 increases, and the position of the diversion plate 6 can be changed synchronously, thereby ensuring the stability of the entire mineral screening.

[0053] Embodiment three:

[0054] The difference from the above embodiment is that, please refer to Figure 1 - Figure 8 The discharge end of the upper separation chute 31 is provided with an upper diverter block 34, the discharge end of the middle diverter chute 32 is provided with a middle diverter block 35, and the discharge end of the lower diverter chute 33 is provided with a bottom discharge port 36;

[0055] The discharge end of the upper separation chute 31 is located below the feed port 7 , the discharge end of the upper separation chute 31 is connected to the feed end of the middle separation chute 32 , and the discharge end of the middle separation chute 32 is connected to the feed end of the lower separation chute 33 .

[0056] The upper diversion block 34 can guide the tailings at the outermost side of the water flow passing through the upper separation chute 31 and separate them through the tailings collecting mechanism 4. The middle diversion block 35 can guide the tailings at the outermost side of the water flow passing through the middle diversion chute 32 and separate them through the tailings collecting mechanism 4.

[0057] The tailings collection mechanism 4 includes a tailings storage bin 41, a tailings filter 42 is fixedly installed inside the tailings storage bin 41, a tailings input pipe 43 is fixedly installed inside the tailings storage bin 41, a first water outlet pipe 44 is fixedly connected to the top of the tailings storage bin 41, and a second water outlet pipe 45 is fixedly connected to the top of the tailings storage bin 41;

[0058] The bottom end of the tailings input pipe 43 passes through the top of the tailings storage bin 41 and extends above the tailings filter 42. The top end of the tailings input pipe 43 is connected to the upper separation chute 31 and the middle diversion chute 32 at the same time. The tailings input pipe 43 can transport the tailings and water separated by the upper diversion block 34 and the middle diversion block 35 to the bottom of the tailings filter 42 inside the tailings storage bin 41.

[0059] The interior of the tailings storage bin 41 is connected to the interior of the middle diversion chute 32 through the first outlet pipe 44, and the interior of the tailings storage bin 41 is connected to the interior of the lower diversion chute 33 through the second outlet pipe 45;

[0060] The tailings filter 42 can filter the tailings below the tailings filter 42, the first outlet pipe 44 can input the overflowed water flow into the middle diversion chute 32, and the second outlet pipe 45 can transport the overflowed water flow to the lower diversion chute 33.

[0061] During the working process, the water flow carries the minerals through the upper separation chute 31, the middle diversion chute 32 and the lower diversion chute 33 in sequence. When the water flow carries the minerals through the upper separation chute 31, the upper diversion block 34 can separate the tailings on the outside, and the separated tailings enter the tailings storage bin 41 through the tailings input pipe 43. When the water flow carries the minerals through the middle diversion chute 32, the middle diversion block 35 can separate the tailings on the outside, and the separated tailings also enter the tailings storage bin 41 through the tailings input pipe 43. When the ore enters the tailings storage bin 41, the tailings are filtered by the tailings filter 42 and remain at the bottom of the tailings storage bin 41, and the water flow can overflow from the tailings storage bin 41 through the tailings filter 42, and the overflowed water flow can return to the spiral chute 3 through the first outlet pipe 44 and the second outlet pipe 45. During the ore screening process, the tailings collection mechanism 4 can not only separate the tailings in time but also re-inject the separated water flow into the spiral chute 3, thereby ensuring sufficient water flow in the spiral chute 3 and smooth mineral screening.

[0062] Embodiment 4:

[0063] A ore dressing method, using a stratified flow-assisted spiral chute ore dressing machine as in Embodiments 1 to 3, comprises the following steps:

[0064] When working, water is firstly injected into the water storage transfer mechanism 2, and the ore to be screened is added to the spiral chute 3 through the feed port 7;

[0065] The water flow inside the water storage transfer mechanism 2 is ejected from the jet head 5 to drive the ore to move downward along the spiral chute 3. The structure of the multi-layer jet head 5 can prevent the concentrate from piling up when the ore moves with the water flow.

[0066] During the diversion process, the tailings collection mechanism 4 can separate the tailings in time, and the diversion plate 6 can actively separate the minerals with different densities;

[0067] The screened concentrate and coarse ore are discharged from the lower diversion chute 33 , and the tailings remain inside the tailings collecting mechanism 4 .

[0068] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stratified flow-assisted spiral chute concentrator, comprising a device support frame (1), characterized in that: A water storage transfer mechanism (2) is installed inside the device support frame (1), a spiral chute (3) is installed outside the water storage transfer mechanism (2), a tailings collection mechanism (4) is installed outside the spiral chute (3), a jet head (5) is installed inside the water storage transfer mechanism (2), a diverter plate (6) is installed outside the water storage transfer mechanism (2), and a feed port (7) is installed on the top of the device support frame (1); The spiral chute (3) comprises an upper separation chute (31), a middle diversion chute (32) and a lower diversion chute (33); the bottom of the upper separation chute (31) is connected to the middle diversion chute (32); the bottom of the middle diversion chute (32) is connected to the lower diversion chute (33); the outsides of the middle diversion chute (32) and the lower diversion chute (33) are connected to a tailings collection mechanism (4); and corresponding jet heads (5) and diverter plates (6) are arranged in the middle of the upper separation chute (31), the middle diversion chute (32) and the lower diversion chute (33); The jet head (5) can simultaneously inject flowing water into the upper separation chute (31), the middle diversion chute (32) and the lower diversion chute (33), and the upper separation chute (31), the middle diversion chute (32) and the lower diversion chute (33) can screen the ore in sequence. When the water flow carries the ore and flows spirally downward along the upper separation chute (31), the middle diversion chute (32) and the lower diversion chute (33), the diverter plate (6) The invention can guide the coarse ore with lower density in the upper layer of the water flow to the outer side of the upper separation chute (31), the middle diversion chute (32) and the lower diversion chute (33), and guide the concentrate with higher density in the water flow to the inner side of the upper separation chute (31), the middle diversion chute (32) and the lower diversion chute (33); and the tailings collection mechanism (4) can filter and separate the outermost tailings on the upper separation chute (31) and the middle diversion chute (32).

2. The stratified flow-assisted spiral chute concentrator according to claim 1 is characterized in that: The water storage transfer mechanism (2) comprises a water storage cylinder (21), the water storage cylinder (21) is fixedly mounted inside the device support frame (1), a water flow inlet (22) is arranged on the top of the water storage cylinder (21), a lifting and lowering buffer chamber (23) is mounted inside the water storage cylinder (21), a buffer spring (24) is mounted inside the lifting and lowering buffer chamber (23), a movable end of the buffer spring (24) is connected to a lifting and lowering movable chamber (25), a lifting and lowering connecting column (26) is fixedly mounted on the top of the lifting and lowering movable chamber (25), a blocking connecting plate (27) is connected to the outside of the lifting and lowering connecting column (26), a nozzle blocking block (28) is fixedly mounted on the outside of the blocking connecting plate (27), a limiting block (29) is fixedly mounted on the outside of the lifting and lowering connecting column (26), a limiting slider (210) is slidably mounted inside the limiting block (29), and the other end of the limiting slider (210) is fixedly connected to a diversion connecting rod (211).

3. The stratified flow-assisted spiral chute concentrator according to claim 2 is characterized in that: The lifting movable bin (25) is slidably installed inside the lifting and easing bin (23) via a easing spring (24); the outside of the lifting movable bin (25) fits the inside of the lifting and easing bin (23); the inside of the lifting movable bin (25) and the lifting and easing bin (23) are sealed structures; When the water level and water pressure inside the water storage cylinder (21) change, the lifting movable chamber (25) can be moved up and down inside the lifting and lowering buffer chamber (23); when the lifting movable chamber (25) moves up and down, the lifting connection column (26) can be driven to move up and down synchronously; and the buffer spring (24) can increase the sensitivity of the distance change between the lifting and lowering buffer chamber (23) and the lifting movable chamber (25).

4. The stratified flow-assisted spiral chute concentrator according to claim 3 is characterized in that: Three of the spray heads (5) are fixedly mounted on the side wall of the water storage cylinder (21), one side of the water inlet of the three spray heads (5) is arranged inside the water storage cylinder (21), the three spray heads (5) respectively correspond to the upper separation chute (31), the middle flow chute (32) and the lower flow chute (33), the spray head blocking block (28) outside the blocking connecting plate (27) corresponds to the two spray heads (5) at the bottom, and the side of the spray head blocking block (28) close to the spray head (5) is in contact with the water inlet of the spray head (5); When the lifting connection column (26) moves up and down, it can synchronously drive the nozzle blocking block (28) to move up and down through the blocking connection plate (27); when the nozzle blocking block (28) moves up and down, the size of the water inlet of the spray head (5) can be adjusted.

5. The stratified flow-assisted spiral chute concentrator according to claim 4 is characterized in that: The track for sliding connection between the limit block (29) and the limit slider (210) is an inclined structure; one side of the diversion connecting rod (211) is fixedly connected to the limit slider (210); the other side of the diversion connecting rod (211) is provided with three branches; the three branches on the diversion connecting rod (211) all pass through the side wall of the water storage cylinder (21) and are fixedly connected to the diversion plate (6); When the lifting connection column (26) moves up and down, it can drive the limit block (29) to move up and down. When the limit block (29) moves up and down, it can drive the limit slider (210) to move horizontally. When the limit slider (210) moves horizontally, the diverter connection rod (211) moves synchronously. When the diverter connection rod (211) moves, the position of the diverter plate (6) can be adjusted.

6. The stratified flow-assisted spiral chute concentrator according to claim 1, characterized in that: The discharge end of the upper separation chute (31) is provided with an upper diversion block (34), the discharge end of the middle diversion chute (32) is provided with a middle diversion block (35), and the discharge end of the lower diversion chute (33) is provided with a bottom discharge port (36); The discharge end of the upper separation chute (31) is located below the feed port (7), the discharge end of the upper separation chute (31) is connected to the feed end of the middle separation chute (32), and the discharge end of the middle separation chute (32) is connected to the feed end of the lower separation chute (33).

7. The stratified flow-assisted spiral chute concentrator according to claim 6, characterized in that: The upper diversion block (34) can guide the tailings at the outermost side of the water flow passing through the upper separation chute (31) and separate them through the tailings collection mechanism (4), and the middle diversion block (35) can guide the tailings at the outermost side of the water flow passing through the middle diversion chute (32) and separate them through the tailings collection mechanism (4).

8. The stratified flow-assisted spiral chute concentrator according to claim 7, characterized in that: The tailings collection mechanism (4) comprises a tailings storage bin (41), a tailings filter (42) is fixedly installed inside the tailings storage bin (41), a tailings input pipe (43) is fixedly installed inside the tailings storage bin (41), a first water outlet pipe (44) is fixedly connected to the top of the tailings storage bin (41), and a second water outlet pipe (45) is fixedly connected to the top of the tailings storage bin (41); The bottom end of the tailings input pipe (43) passes through the top of the tailings storage bin (41) and extends above the tailings filter (42). The top end of the tailings input pipe (43) is simultaneously connected to the upper separation chute (31) and the middle diversion chute (32). The tailings input pipe (43) can transport the tailings and water separated by the upper diversion block (34) and the middle diversion block (35) to the bottom of the tailings filter (42) inside the tailings storage bin (41).

9. The stratified flow-assisted spiral chute concentrator according to claim 8, characterized in that: The interior of the tailings storage bin (41) is communicated with the interior of the middle diversion chute (32) via a first water outlet pipe (44), and the interior of the tailings storage bin (41) is communicated with the interior of the lower diversion chute (33) via a second water outlet pipe (45); The tailings filter (42) can filter the tailings below the tailings filter (42), the first water outlet pipe (44) can input the overflowed water flow into the middle diversion chute (32), and the second water outlet pipe (45) can transport the overflowed water flow to the lower diversion chute (33).

10. A mineral processing method using a stratified flow-assisted spiral chute mineral processing machine as claimed in any one of claims 1 to 9.

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