A slurry disintegration and classifying machine

Abstract

The present invention discloses a slurry disintegration and classifying machine, comprising a grading barrel for flushing slurry and a central shaft fixedly arranged at the center of the top of its inner wall, a power ring fan rotatably sleeved on the outer wall of the upper end of the central shaft, a transmission shaft sleeve rotatably sleeved on the outer wall of the lower end of the central shaft, an upper strong magnet is provided on the power ring fan, a magnetic conductive block is provided in the middle section of the central shaft, and a lower strong magnet is provided on the top of the transmission shaft sleeve. When the slurry falls from a high place when entering the grading barrel, the slurry falls from a high place and contacts with the fan blades of the power ring fan, and the slurry drives the power ring fan to rotate. At the same time, the rotation of the power ring fan drives the upper strong magnet to rotate, and the magnetic field distribution of the upper strong magnet changes the rotation of the dynamic shaft sleeve in the opposite direction. A multi-layer screening disc is sleeved on the outer wall of the lower end of the transmission shaft sleeve, and the screening disc is an inwardly concave cone disc. The screening hole will cause small particles and slurry to seep downward, and the large particles screened out will be thrown out by the edge of the screening disc under the action of the centrifugal force of the rotation of the screening disc, so as to realize multi-level material separation in the grading barrel.

Description

Technical Field

[0001] The invention relates to the field of solid-liquid separation, and in particular to a pulp scouring and classifying machine. Background Art

[0002] The slurry classifier is a device commonly used in ore processing and solid-liquid separation. It uses the principle of liquid rotational fluid mechanics to classify and separate the slurry through the action of centrifugal force. By adjusting parameters such as the feed flow rate, the size and angle of the classifier, the different particle sizes in the slurry can be separated. Larger particles will be separated, while smaller particles will be discharged through the overflow port.

[0003] In the existing technology, the commonly used spiral classifier can only achieve the effect of discharging solid particles by pushing the spiral shaft and discharging liquid from the overflow port. It cannot achieve multi-size screening and isolation of solid particles in the slurry while screening solid particles. At the same time, conventional spiral classifiers require motor drive, and the motor needs frequent manual maintenance in the dusty environment of the mine, which cannot achieve the recovery and utilization of the internal energy of the high-altitude slurry. Summary of the Invention

[0004] The purpose of the present invention is to solve any one of the problems in the above technologies, thereby proposing a pulp dissolving and classifying machine.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a pulp disintegration and classification machine, comprising a classification barrel for flushing ore pulp and a central shaft fixedly arranged at the center of the top of its inner wall, a power ring fan rotatably sleeved on the outer wall of the upper end of the central shaft, and a transmission shaft sleeve rotatably sleeved on the outer wall of the lower end of the central shaft, the power ring fan is provided with a plurality of upper strong magnets with adjacent magnetic poles of a circumferential array staggered in sequence, a plurality of magnetic conductive blocks of a circumferential array are provided in the middle section of the central shaft, and a plurality of lower strong magnets with adjacent magnetic poles of a circumferential array staggered in sequence are provided on the top of the transmission shaft sleeve. When the ore pulp enters the classification barrel, the ore pulp falling from a high place and The blades of the power ring fan are in contact, and the slurry drives the power ring fan to rotate. At the same time, the rotation of the power ring fan drives the upper strong magnet to rotate. The change in the magnetic field distribution of the upper strong magnet drives the transmission shaft sleeve below to rotate in the opposite direction through the harmonic motion of the magnetic field. The outer wall of the lower end of the transmission shaft sleeve is provided with a multi-layer screen plate. The screen plate is a concave cone plate. The outer diameter of the multi-layer screen plate and the diameter of the screen hole decrease step by step. When the slurry falls onto the rotating screen plate, the screen hole will cause the small particles and slurry to seep downward. The large particles screened out will be thrown out by the edge of the screen plate under the action of the centrifugal force of the rotation of the screen plate, realizing multi-stage material separation in the grading barrel.

[0006] Furthermore, the grading barrel is in the shape of a cylinder with a closed bottom, a guide cone is provided at the center of the upper surface of the top of the grading barrel, a feed port is provided on the outside of the guide cone, a fixed port is provided at the center of the top of the inner wall of the grading barrel, the central axis is fixedly passed through the fixed port, a discharge port is provided at the center of the bottom of the grading barrel, and the first gear cover, the second gear cover and the third gear cover are welded in sequence from the outside to the inside through the ribs at the discharge port, the first gear cover, the second gear cover and the third gear cover are all in the shape of a circular sleeve with a closed bottom, and the upper side wall heights of the first gear cover, the second gear cover and the third gear cover decrease step by step from the outside to the inside.

[0007] Furthermore, the upper end of the central axis is a round rod-shaped top axis, which is embedded and fixed in the fixed mouth of the grading barrel. The middle section of the central axis is a frustum-shaped middle platform, and the upper surface of the middle platform is provided with 10 circular array-distributed penetrating magnetic ports. The lower end of the central axis is an inverted T-shaped round rod-shaped bottom axis.

[0008] Furthermore, an I-shaped frustum-shaped magnetic block is embedded and fixed in the magnetic port of the central shaft. The magnetic block is made of magnetic metal. The bottom of the outer wall of the top shaft of the central shaft is rotatably sleeved with a bearing, and the power ring fan is rotatably sleeved on the bearing on the outer wall of the top shaft. The top and bottom of the outer wall of the bottom shaft of the central shaft are also rotatably sleeved with bearings, and the transmission shaft sleeve is rotatably sleeved on the bearing on the outer wall of the bottom shaft.

[0009] Furthermore, the main body of the power ring fan is a cone with an inner shaft hole in the center, and the bearing is rotatably embedded in the inner shaft hole. The upper surface of the cone of the power ring fan is provided with 16 upper magnet openings distributed in a circular array. Upper strong magnets are embedded and fixed in the upper magnet openings, and the magnetic poles of adjacent upper strong magnets are staggered. The side of the cone of the power ring fan is provided with multiple fan blades distributed in a circular array with a certain inclination angle, and the fan blades are located directly below the feed port.

[0010] Furthermore, the transmission sleeve is a hollow T-shaped round rod sleeve, and the top and middle section of the central perforation of the transmission sleeve are provided with bearing openings, and the bearing rotation card is embedded in the bearing opening. The upper surface of the circular table at the upper end of the transmission sleeve is provided with 4 circular arrays of penetrating lower magnet openings, and the magnetic poles between adjacent lower strong magnets are staggered. The outer wall of the circular rod at the lower end of the transmission sleeve is provided with a hexagonal clamping table in the shape of a hexagonal shaft distributed in a multi-layer array from top to bottom, and the screening plate fixed sleeve is arranged on the hexagonal clamping table.

[0011] Furthermore, when the magnetic opening of the central shaft, the upper magnet opening of the power ring fan and the lower magnet opening of the transmission shaft sleeve are arranged in a circular array, the diameters of the circular tracks of the arrays are equal.

[0012] Furthermore, the main body of the screening plate is an inward-conical plate with a circular edging provided at the bottom of the edge and a circular array of reinforcing ribs provided on the bottom surface. A hexagonal sleeve with a hexagonal notch in the center is provided at the center of the inward-conical plate. The hexagonal sleeve is nested in the hexagonal clamping table of the transmission shaft sleeve. A circular array of screening holes is provided on the periphery of the hexagonal sleeve. The distribution diameter of the circular array of screening holes is slightly larger than the outer diameter of the power ring fan.

[0013] Furthermore, the sieve plates are distributed in a multi-layer array from top to bottom on the outer wall of the round rod at the lower end of the transmission shaft sleeve. The outer diameter of the concave cone plate and the diameter of the sieve holes of the multi-layer sieve plates decrease layer by layer, and the distribution diameter of the circular array of the sieve holes remains unchanged.

[0014] Furthermore, a certain gap is reserved between the outer wall of the concave cone plate of the multi-layer screening plate from top to bottom and the inner walls of the first gear cover, the second gear cover and the third gear cover in turn, and the top ends of the first gear cover, the second gear cover and the third gear cover are slightly lower than the highest point of the outer wall of the multi-layer screening plate from top to bottom.

[0015] The beneficial effects of the present invention are:

[0016] 1. Due to its internal magnetic moment, the magnetic block forms an adjustment magnetic field between the lower strong magnet and the magnetic block. When the power ring fan rotates, the power ring fan drives the upper strong magnet to rotate. When the upper strong magnet rotates, the adjustment magnetic field moves in the opposite direction. The adjustment magnetic field pushes the lower magnetic field to move synchronously, causing the transmission sleeve to rotate in the opposite direction due to the magnetic field force. Since the upper magnetic field rotates one wavelength, the adjustment magnetic field will rotate synchronously by one wavelength, and the wavelength of the upper strong magnet is 1 / 4 of the wavelength of the lower strong magnet. Therefore, when the power ring fan rotates one circle, the transmission sleeve rotates four circles in equal proportion. The internal rotation acceleration ratio is achieved through magnetic force, and the speed ratio can be changed by changing the ratio of the magnets.

[0017] A guide cone is set at the center of the upper surface of the top of the grading barrel, and a feed port is set on the outside of the guide cone. The fan blades are located just below the feed port. When the slurry enters the grading barrel from the feed port, the slurry falling from a high place contacts the blades of the power ring fan. The slurry drives the power ring fan to rotate, converting the gravitational potential energy of the slurry into mechanical energy for rotation inside the equipment. At the same time, due to the low rotation speed of the power ring fan, the slurry will still fall onto the screen plate below.

[0018] When the power ring fan rotates, it drives the transmission shaft sleeve to rotate in the opposite direction at high speed, and the screen plate rotates with the transmission shaft sleeve. When the slurry falls into the screen plate, the filtered slurry seeps downward from the sieve holes, and large particles are accelerated by the centrifugal force on the upper surface of the concave cone plate and thrown out from the edge of the screen plate. From top to bottom, the outer diameter of the concave cone plate and the diameter of the sieve holes of the multi-layer screen plate decrease layer by layer, and the distribution diameter of the circumferential array of the sieve holes remains unchanged, realizing multi-size screening and isolation of solid particles in the slurry. The first gear cover, the second gear cover and the third gear cover separate and discharge multi-size particles and slurry. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the present invention as a whole;

[0020] Figure 2 An exploded view of the present invention as a whole;

[0021] Figure 3 A cross-sectional view of the present invention as a whole;

[0022] Figure 4 This is a schematic diagram of the installation of the strong magnet of the present invention;

[0023] Figure 5 This is a cross-sectional view of the installation of the strong magnet of the present invention;

[0024] Figure 6 is a cross-sectional view of the grading barrel of the present invention;

[0025] Figure 7 This is a schematic structural diagram of the power ring fan of the present invention;

[0026] Figure 8 Schematic diagram of the structure of the central axis of the present invention;

[0027] Figure 9 It is a structural schematic diagram of the transmission sleeve of the present invention;

[0028] Figure 10 is a cross-sectional view of the transmission sleeve of the present invention;

[0029] Figure 11 It is a structural schematic diagram of the screening tray of the present invention;

[0030] Figure 12 is a cross-sectional view of the sieve tray of the present invention;

[0031] Figure 13 This is a diagram showing the principle of use of the magnetic conductive block of the present invention.

[0032] exist Figures 1 to 13 , the correspondence between the component names or lines and the drawing numbers is: grading barrel 1, feed port 11, guide cone head 12, fixing port 13, first gear cover 14, second gear cover 15, third gear cover 16, power ring fan 2, inner shaft hole 21, upper magnet port 22, fan blade 23, middle shaft 3, top shaft rod 31, middle platform 32, magnetic port 33, bottom shaft rod 34, transmission shaft sleeve 4, lower magnet port 41, bearing port 42, hexagonal clamping platform 43, screening plate 5, concave cone plate 51, hexagonal collar 52, screening hole 53, bearing 6, upper strong magnet 7, magnetic block 8, lower strong magnet 9. DETAILED DESCRIPTION

[0033] Please refer to Figures 1 to 13 ;

[0034] The present embodiment provides a pulp disintegration and classification machine, including a classification barrel 1 for flushing slurry and a central shaft 3 fixedly arranged at the center of the top of its inner wall, a power ring fan 2 rotatably sleeved on the outer wall of the upper end of the central shaft 3, and a transmission shaft sleeve 4 rotatably sleeved on the outer wall of the lower end of the central shaft 3. The power ring fan 2 is provided with a plurality of upper strong magnets 7 with adjacent magnetic poles in a circumferential array staggered in sequence, a plurality of magnetic conductive blocks 8 in a circumferential array are provided in the middle section of the central shaft 3, and a plurality of lower strong magnets 9 with adjacent magnetic poles in a circumferential array staggered in sequence are provided on the top of the transmission shaft sleeve 4. When the slurry enters the classification barrel 1, the slurry falling from a high place contacts the blades 23 of the power ring fan 2. The slurry drives the power ring fan 2 to rotate. At the same time, the rotation of the power ring fan 2 drives the upper strong magnet 7 to rotate. The magnetic field distribution of the upper strong magnet 7 changes, and the harmonic motion of the magnetic field drives the transmission shaft sleeve 4 below to rotate in the opposite direction. The outer wall of the lower end of the transmission shaft sleeve 4 is provided with a multi-layer screening plate 5. The screening plate 5 is a concave cone plate 51. The outer diameter of the multi-layer screening plate 5 and the diameter of the screening hole 53 are gradually reduced. When the slurry falls onto the rotating screening plate 5, the screening hole 53 will cause the small particles and slurry to seep downward, and the large particles screened out will be thrown out by the edge of the screening plate 5 under the action of the centrifugal force of the rotation of the screening plate 5, thereby realizing multi-stage material separation in the grading barrel 1.

[0035] Preferably, the grading barrel 1 is in the shape of a cylinder with a closed bottom, a guide cone 12 is provided at the center of the upper surface of the top of the grading barrel 1, a feed port 11 is provided on the outside of the guide cone 12, a fixing port 13 is provided at the center of the top of the inner wall of the grading barrel 1, the central axis 3 is fixedly passed through the fixing port 13, a discharge port is provided at the bottom center of the grading barrel 1, and the first gear cover 14, the second gear cover 15 and the third gear cover 16 are welded in sequence from the outside to the inside through the ribs at the discharge port, the first gear cover 14, the second gear cover 15 and the third gear cover 16 are all in the shape of a circular sleeve with a closed bottom, and the upper side wall heights of the first gear cover 14, the second gear cover 15 and the third gear cover 16 decrease step by step from the outside to the inside.

[0036] In a specific embodiment, a guide cone 12 is provided at the center of the top upper surface of the grading barrel 1, and a feed port 11 is provided on the outside of the guide cone 12. The fan blades 23 are located directly below the feed port 11. When the slurry enters the grading barrel 1 from the feed port 11 under the guidance of the guide cone 12, the slurry falling from a high place contacts the fan blades 23 of the power ring fan 2. The slurry drives the power ring fan 2 to rotate, converting the gravitational potential energy of the slurry into mechanical energy for rotation inside the equipment. At the same time, since the speed of the power ring fan 2 driven only by the gravitational potential energy of the slurry is low, the centrifugal force on the slurry is insufficient, and the slurry will still fall onto the screen plate 5 below.

[0037] Preferably, the upper end of the central axis 3 is a round rod-shaped top shaft 31, which is embedded and fixed in the fixed port 13 of the grading barrel 1. The middle section of the central axis 3 is a frustum-shaped middle platform 32, and the upper surface of the middle platform 32 is provided with 10 circular arrays of distributed penetrating magnetic ports 33. The lower end of the central axis 3 is an inverted T-shaped round rod-shaped bottom shaft 34.

[0038] Preferably, an I-shaped frustum-shaped magnetic block 8 is embedded and fixed in the magnetic port 33 of the central shaft 3. The magnetic block 8 is made of magnetic metal. A bearing 6 is rotatably sleeved on the bottom of the outer wall of the top shaft 31 of the central shaft 3. The power ring fan 2 is rotatably sleeved on the bearing 6 on the outer wall of the top shaft 31. The top and bottom of the outer wall of the bottom shaft 34 of the central shaft 3 are also rotatably sleeved with bearings 6. The transmission shaft sleeve 4 is rotatably sleeved on the bearing 6 on the outer wall of the bottom shaft 34.

[0039] Preferably, the main body of the power ring fan 2 is a cone with an inner shaft hole 21 in the center, and the bearing 6 is rotatably embedded in the inner shaft hole 21. The upper surface of the cone of the power ring fan 2 is provided with 16 upper magnet openings 22 distributed in a circular array. Upper strong magnets 7 are fixed in the upper magnet openings 22, and the magnetic poles of adjacent upper strong magnets 7 are staggered. The side surface of the cone of the power ring fan 2 is provided with multiple fan blades 23 distributed in a circular array with a certain inclination angle, and the fan blades 23 are located directly below the feed port 11.

[0040] Preferably, the transmission sleeve 4 is a hollow T-shaped round rod sleeve, and the top and middle section of the center perforation of the transmission sleeve 4 are provided with bearing openings 42, and the bearing 6 is rotatably embedded in the bearing opening 42. The upper surface of the circular table at the upper end of the transmission sleeve 4 is provided with four circular arrays of penetrating lower magnet openings 41, and the magnetic poles between adjacent lower strong magnets 9 are staggered. The outer wall of the circular rod at the lower end of the transmission sleeve 4 is provided with a hexagonal clamping platform 43 in the shape of a hexagonal shaft distributed in a multi-layer array from top to bottom, and the screening plate 5 is fixedly sleeved on the hexagonal clamping platform 43.

[0041] Preferably, when the magnetic opening 33 of the central shaft 3, the upper magnet opening 22 of the power ring fan 2, and the lower magnet opening 41 of the transmission shaft sleeve 4 are arranged in a circular array, the circular track diameters of the arrays are equal.

[0042] In a specific embodiment, due to the action of its internal magnetic moment, the magnetic block 8 forms an adjustment magnetic field between the lower strong magnet 9 and the magnetic block 8. When the power ring fan 2 rotates, the power ring fan 2 drives the upper strong magnet 7 to rotate. When the upper strong magnet 7 rotates, the adjustment magnetic field moves in the opposite direction, and the adjustment magnetic field pushes the lower magnetic field to move synchronously, causing the transmission sleeve 4 to rotate in the opposite direction due to the magnetic field force. Since the upper magnetic field rotates one wavelength, the adjustment magnetic field will rotate synchronously by one wavelength, and the wavelength of the upper strong magnet 7 is 1 / 4 of the wavelength of the lower strong magnet 9. Therefore, when the power ring fan 2 rotates one circle, the transmission sleeve 4 rotates four circles in equal proportion, and the internal rotation acceleration ratio is realized by magnetic force. At the same time, the ratio of the magnets can be changed to change the speed ratio.

[0043] Preferably, the main body of the screening plate 5 is an inward-conical disc 51 with a circular edging provided on the bottom of the edge and a circular array of reinforcing ribs provided on the bottom surface. A hexagonal collar 52 with a hexagonal notch in the center is provided at the center of the inward-conical disc 51. The hexagonal collar 52 is nested in the hexagonal clamping platform 43 of the transmission shaft sleeve 4. A circular array of screening holes 53 is provided on the periphery of the hexagonal collar 52. The distribution diameter of the circular array of screening holes 53 is slightly larger than the outer diameter of the power ring fan 2.

[0044] Preferably, the screening plates 5 are distributed in a multi-layer array from top to bottom on the outer wall of the round rod at the lower end of the transmission shaft sleeve 4, and the outer diameter of the concave cone plate 51 and the diameter of the screening holes 53 of the multi-layer screening plates 5 decrease layer by layer from top to bottom, and the distribution diameter of the circular array of the screening holes 53 remains unchanged.

[0045] In a specific embodiment, when the power ring fan 2 rotates, it drives the transmission shaft sleeve 4 to rotate in the opposite direction at high speed, and the screen plate 5 rotates with the transmission shaft sleeve 4. When the ore slurry falls into the screen plate 5, the filtered slurry seeps downward from the screen hole 53, and the large particles on the upper surface of the concave cone 51 are accelerated by the centrifugal force of the rotation and thrown out from the edge of the screen plate 5.

[0046] Preferably, a certain gap is reserved between the outer wall of the concave cone disk 51 of the multi-layer screening plate 5 from top to bottom and the inner walls of the first gear cover 14, the second gear cover 15 and the third gear cover 16 in sequence, and the top ends of the first gear cover 14, the second gear cover 15 and the third gear cover 16 are slightly lower than the highest point of the outer wall of the multi-layer screening plate 5 from top to bottom.

[0047] In a specific embodiment, the outer diameter of the concave cone disk 51 of the multi-layer screen plate 5 and the diameter of the screen hole 53 decrease layer by layer from top to bottom, and the distribution diameter of the circular array of the screen holes 53 remains unchanged, thereby realizing multi-size screening and isolation of solid particles in the slurry. The multi-size particles and the slurry are separated and discharged by the first gear cover 14, the second gear cover 15 and the third gear cover 16.

[0048] When the present invention is used, when the ore pulp enters the grading barrel 1 from the feed port 11 under the guidance of the guide cone head 12, the ore pulp drives the power ring fan 2 to rotate, and the magnetic field between the upper strong magnet 7 of the power ring fan 2 and the magnetic block 8 of the central shaft 3 and the lower strong magnet 9 of the transmission shaft sleeve 4 is transmitted during rotation, and the transmission shaft sleeve 4 accelerates to rotate in the opposite direction, and the screening plate 5 rotates with the transmission shaft sleeve 4, and the ore pulp falls into the concave cone plate 51 of the screening plate 5, and small particles and slurry seep downward from the screening holes 53, and large particles are accelerated by the centrifugal force of the rotation on the upper surface of the concave cone plate 51 and thrown out from the edge of the screening plate 5. The multi-layer screening plate 5 screens and isolates the multi-size solid particles in the ore pulp step by step, and the screened particles and slurry are separated and discharged by the first gear cover 14, the second gear cover 15 and the third gear cover 16.

[0049] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A pulp slurry disintegration and classification machine, comprising a classification barrel (1) for disintegrating the pulp and a central shaft (3) fixedly arranged at the center of the top of its inner wall, a power ring fan (2) rotatably sleeved on the outer wall of the upper end of the central shaft (3), and a transmission shaft sleeve (4) rotatably sleeved on the outer wall of the lower end of the central shaft (3), characterized in that: The power ring fan (2) is provided with a plurality of upper strong magnets (7) with adjacent magnetic poles in a circumferential array staggered in sequence, the middle section of the central shaft (3) is provided with a plurality of magnetic conductive blocks (8) in a circumferential array, and the top of the transmission shaft sleeve (4) is provided with a plurality of lower strong magnets (9) with adjacent magnetic poles in a circumferential array staggered in sequence. When the ore pulp enters the classification barrel (1), the ore pulp falling from a high place contacts the fan blades (23) of the power ring fan (2), and the ore pulp drives the power ring fan (2) to rotate. At the same time, the rotation of the power ring fan (2) drives the upper strong magnet (7) to rotate, and the magnetic field of the upper strong magnet (7) is divided. The cloth changes the harmonic motion of the magnetic field to drive the transmission sleeve (4) below to rotate in the opposite direction. The outer wall of the lower end of the transmission sleeve (4) is provided with a multi-layer screening disc (5). The screening disc (5) is an inwardly concave cone disc (51). The outer diameter of the multi-layer screening disc (5) and the diameter of the screening hole (53) are gradually reduced. When the slurry falls on the rotating screening disc (5), the screening hole (53) will cause the small particles and slurry to seep downward. The large particles screened out will be thrown out from the edge of the screening disc (5) under the action of the centrifugal force of the rotation of the screening disc (5), thereby realizing multi-level material separation in the grading barrel (1); The grading barrel (1) is in the shape of a cylinder with a closed bottom, a guide cone (12) is provided at the center of the upper surface of the top of the grading barrel (1), a feed port (11) is provided on the outside of the guide cone (12), a fixing port (13) is provided at the center of the top of the inner wall of the grading barrel (1), the central axis (3) is fixedly inserted into the fixing port (13), a discharge port is provided at the center of the bottom of the grading barrel (1), and a first gear cover (14), a second gear cover (15) and a third gear cover (16) are welded in sequence from the outside to the inside through ribs at the discharge port, the first gear cover (14), the second gear cover (15) and the third gear cover (16) are all in the shape of a circular sleeve with a closed bottom, and the height of the upper side walls of the first gear cover (14), the second gear cover (15) and the third gear cover (16) decreases step by step from the outside to the inside; The upper end of the central axis (3) is a round rod-shaped top shaft (31), which is fixed in the fixed opening (13) of the grading barrel (1). The middle section of the central axis (3) is a frustum-shaped middle platform (32), and the upper surface of the middle platform (32) is provided with 10 magnetic guide openings (33) distributed in a circular array. The lower end of the central axis (3) is an inverted T-shaped round rod-shaped bottom shaft (34). An I-shaped truncated cone-shaped magnetic block (8) is fixedly embedded in the magnetic opening (33) of the central shaft (3), and the magnetic block (8) is made of magnetic metal. A bearing (6) is rotatably sleeved on the bottom of the outer wall of the top shaft (31) of the central shaft (3). The power ring fan (2) is rotatably sleeved on the bearing (6) on the outer wall of the top shaft (31). The top and bottom of the outer wall of the bottom shaft (34) of the central shaft (3) are also rotatably sleeved with bearings (6). The transmission shaft sleeve (4) is rotatably sleeved on the bearing (6) on the outer wall of the bottom shaft (34). The main body of the power ring fan (2) is a truncated cone with an inner shaft hole (21) at the center, and the bearing (6) is rotatably embedded in the inner shaft hole (21). The upper surface of the truncated cone of the power ring fan (2) is provided with 16 upper magnet openings (22) distributed in a circumferential array, and upper strong magnets (7) are fixedly embedded in the upper magnet openings (22), and the magnetic poles of adjacent upper strong magnets (7) are staggered. The side surface of the truncated cone of the power ring fan (2) is provided with a plurality of fan blades (23) distributed in a circumferential array and with a certain inclination angle, and the fan blades (23) are located directly below the feed port (11); The transmission sleeve (4) is a hollow T-shaped round rod sleeve. The top and middle section of the central perforation of the transmission sleeve (4) are both provided with bearing openings (42). The bearing (6) is rotatably embedded in the bearing opening (42). The upper surface of the circular platform at the upper end of the transmission sleeve (4) is provided with four lower magnet openings (41) distributed in a circumferential array, and the magnetic poles of adjacent lower strong magnets (9) are staggered. The outer wall of the circular rod at the lower end of the transmission sleeve (4) is provided with a hexagonal clamping platform (43) in the shape of a hexagonal shaft distributed in a multi-layer array from top to bottom. The sieve plate (5) is fixedly sleeved on the hexagonal clamping platform (43).

2. The slurry disintegration and classifying machine according to claim 1, characterized in that: When the magnetic opening (33) of the central shaft (3), the upper magnet opening (22) of the power ring fan (2), and the lower magnet opening (41) of the transmission shaft sleeve (4) are arranged in a circular array, the circular trajectory diameters of the arrays are equal.

3. The pulp disintegration and classifying machine according to claim 2, characterized in that: The main body of the sieve plate (5) is an inward-concave cone plate (51) with a circular ring-shaped edge at the bottom and a circumferential array of reinforcing ribs on the bottom surface. A hexagonal sleeve (52) with a hexagonal notch in the center is provided at the center of the inward-concave cone plate (51). The hexagonal sleeve (52) is nested on the hexagonal clamping table (43) of the transmission shaft sleeve (4). The periphery of the hexagonal sleeve (52) is provided with a circumferential array of sieve holes (53). The distribution diameter of the circumferential array of sieve holes (53) is slightly larger than the outer diameter of the power ring fan (2).

4. The pulp disintegration and classifying machine according to claim 3, characterized in that: The sieve material discs (5) are distributed in a multi-layer array from top to bottom on the outer wall of the round rod at the lower end of the transmission shaft sleeve (4), and the outer diameters of the concave cone discs (51) and the diameters of the sieve material holes (53) of the multi-layer sieve material discs (5) decrease layer by layer from top to bottom, while the distribution diameter of the circumferential array of the sieve material holes (53) remains unchanged.

5. The slurry disintegration and classifying machine according to claim 4, characterized in that: A certain gap is reserved between the outer wall of the concave cone plate (51) of the multi-layer screening material plate (5) from top to bottom and the inner wall of the first gear cover (14), the second gear cover (15) and the third gear cover (16) in sequence, and the top of the first gear cover (14), the second gear cover (15) and the third gear cover (16) are slightly lower than the highest point of the outer wall of the multi-layer screening material plate (5) from top to bottom.

Images