CN111622008A

CN111622008A - Rotary and anisotropic reciprocating spinning grinding and pulp screening pulp grinding equipment

Info

Publication number: CN111622008A
Application number: CN202010324552.3A
Authority: CN
Inventors: 安延涛; 杨玉娥; 张义花; 赵东
Original assignee: University of Jinan
Current assignee: University of Jinan
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-09-04

Abstract

The invention provides a rotary and anisotropic reciprocating spinning grinding device for screening pulp products, which mainly comprises a grinding generation device, a power driving device, a rotary grinding device consisting of a movable grinding disc and a fixed grinding disc, an anisotropic spinning device consisting of a gear B, a fluctuation ring, an ejector rod, a pressing block, a spring, a ball and a rolling seat, and a pulp product screening device consisting of a screen rotor, a rotor wing, a screen drum and screen holes. It features that the combination of rotary grinding and reciprocating anisotropic spinning grinding is used to grind pulp, and coarse and fine pulp are screened to control its quality. The invention realizes the rotary grinding of the slurry through the rotary pulping device, realizes the reciprocating anisotropic spinning grinding of the slurry through the anisotropic spinning device, and realizes the lifting control of the pulping quality through the pulp screening device.

Description

Rotary and anisotropic reciprocating spinning grinding and pulp screening pulp grinding equipment

Technical Field

The invention relates to a pulping device for rotary and anisotropic reciprocating spinning grinding and pulp screening, in particular to a pulping device which realizes pulping generation and output through a pulping generation device, provides continuous driving force for the device through a power driving device, realizes rotary grinding of pulp through a rotary pulping device, realizes reciprocating anisotropic spinning grinding of pulp through an anisotropic spinning device, and realizes lifting control of pulping quality through a pulp screening device, belonging to the technical research and development field of pulping devices.

Background

The refiner is one of the most commonly used paper making equipments in paper making industry, and mainly makes the pulp impact and extrude each other in the gap between two millstones through the rotation of the two millstones, and under the action of shearing and grinding, the pulp is ground from coarse to fine, and the binding capacity between fibers in the pulp is enhanced. However, the following problems are caused by the working mode and structural singleness of the existing pulping machine: firstly, the pulping efficiency is low, the prior pulping machine mostly adopts two millstones to carry out butt grinding on pulp, insufficient grinding is easily caused, if the beating degree of the pulp required by papermaking is reached, the grinding time needs to be increased, the pulping efficiency is low, and the pulping cost is increased; and secondly, the grinding quality is low, and the two grinding discs are used for simply grinding, so that the pulp is easy to have uneven size during grinding, and extremely large particles exist in the pulp sometimes, thereby reducing the grinding quality.

Therefore, aiming at the problems of low refining efficiency, low refining quality and the like commonly existing in the prior refiner in use, the refining equipment with high refining efficiency and high refining quality is designed by comprehensively considering the working mode and the structure of the refiner.

Disclosure of Invention

Aiming at the problems of low pulping efficiency, low pulping quality and the like commonly existing in the use of the existing pulping machine, the invention provides the pulping equipment which can effectively solve the problems and is used for rotary and anisotropic reciprocating spinning grinding and pulp screening.

The invention relates to a pulping device for rotary and anisotropic reciprocating spinning grinding and pulp screening, which adopts the following technical scheme:

a kind of rotating, different direction reciprocal spinning grinds and pulp grinding apparatus that the pulp article screens, mainly include the generating device of defibrination, power drive unit, rotating defibrination device, different direction spinning apparatus and pulp article screening plant, the power drive unit is installed below the generating device of defibrination, rotating defibrination device and pulp article screening plant are installed in defibrination generating device from top to bottom, different direction spinning apparatus is installed on love rotating defibrination device; the pulping generation device mainly comprises a grinding cylinder, a cylinder cover, a feeding pipe, a coarse pulp outlet and a fine pulp outlet, wherein the cylinder cover is arranged on the grinding cylinder, the feeding pipe is arranged on the cylinder cover, and the coarse pulp outlet and the fine pulp outlet are arranged at the bottom end of the grinding cylinder; the power driving device mainly comprises a motor, a main shaft and a gear A, wherein the motor is positioned right below the grinding cylinder, the main shaft is arranged on the motor, the main shaft sequentially penetrates through the bottom end of the grinding cylinder and the cylinder cover from bottom to top, and the gear A is arranged on the main shaft through a flat key; the rotary pulping device mainly comprises a movable grinding disc and a fixed grinding disc, wherein the movable grinding disc is arranged on a main shaft through a flat key, 4 circular holes are circumferentially and uniformly distributed on the movable grinding disc, a pressing plate is arranged on each circular hole of the movable grinding disc through 4 screws A which are circumferentially and uniformly distributed, the pressing plate is a circular ring plate, the fixed grinding disc is arranged on the inner wall of a grinding cylinder through 8 groups of screws A which are circumferentially and uniformly distributed on an upper layer and a lower layer, a gap is reserved between the fixed grinding disc and the main shaft, and a groove is arranged on the lower end surface of the fixed grinding; the outward spinning device mainly comprises a gear B, a fluctuation ring, an ejector rod, a pressing block, a spring, balls and a rolling seat, wherein the rolling seat is installed on the pressing plate through 4 circumferentially uniformly distributed screws, a circular track is arranged on the rolling seat, the gear B is meshed with the gear A, 4 circumferentially uniformly distributed concave holes are formed in the lower end of the gear B, the balls are arranged in the concave holes of the gear B, the lower ends of the balls are located in the circular track of the rolling seat, the ejector rod is installed in the gear B, the upper end and the lower end of the ejector rod are respectively provided with the screw B and a flat key, the lower end of the ejector rod is provided with the pressing block through the screw A, the pressing block is installed in a circular hole of a movable grinding disc, the upper end of the ejector rod is contacted with the fluctuation ring; the pulp screening device mainly comprises a screen rotor, a screen drum and screen meshes, wherein an upper rotating cover and a lower rotating cover are installed at the upper end and the lower end of the screen rotor through screws A, the upper rotating cover and the lower rotating cover are installed on a main shaft through flat keys respectively, the rotor is welded on the outer side surface of the screen rotor, the lower end of the screen drum is installed on the bottom end of a grinding drum through screws, the upper end surface of the screen drum is installed in a groove of the lower end surface of a fixed grinding disc, and the screen meshes are arranged on the screen drum.

The grinding cylinder is of a blind cylinder structure, and the outer side of the bottom end of the grinding cylinder is provided with 4 struts which are uniformly distributed in the circumferential direction; the cylinder cover is arranged on the grinding cylinder through 4 screws A which are uniformly distributed in the circumferential direction, the upper end of the feed pipe is of an inverted cone structure, and the lower end of the feed pipe is close to the upper end surface of the fixed grinding disc; the coarse pulp outlet and the fine pulp outlet are respectively arranged on the inner side of the bottom end of the grinding cylinder, the coarse pulp outlet is arranged on the inner side of the screen cylinder, and the fine pulp outlet is arranged on the outer side of the screen cylinder.

The main shaft is a 6-section stepped shaft, a roller bearing, a bearing cover and a sealing ring are arranged at the joint of the main shaft and the grinding cylinder, and the roller bearing is arranged at the joint of the main shaft and the cylinder cover.

The number of the gears B is 4, the gears are uniformly distributed in the circumferential direction, gear teeth are respectively arranged inside and outside the gears B, external teeth are arranged on the outer side surface of the ejector rod, the external teeth of the ejector rod are meshed with the internal teeth of the gears, and a gap is formed between the ejector rod and the pressure plate; the upper end surface of the pressing block is of an inwards concave structure, the side wall of the pressing block is provided with an upper layer of sealing ring and a lower layer of sealing ring, and the pressing block is in transition fit with the circular hole of the movable grinding disc; the upper end and the lower end of the ejector rod are respectively provided with internal threads, the screws B are respectively arranged at the upper end and the lower end of the ejector rod, key grooves are formed in the screws B, and flat keys are arranged in the key grooves of the screws B; the terminal surface is installed under the cover through the flange of inside and outside 4 circumference equipartitions to the fluctuation ring, is equipped with the wave winding face of smooth-going transition on the fluctuation ring, and the winding face of fluctuation ring is equipped with circular track, and the up end of the screw B of roof up end is equipped with the shrinkage pool, is equipped with ball and ball upper end in the shrinkage pool of ejector pin upper end screw B and lies in the circular track of fluctuation ring.

3 layers of rotor wings are arranged on the sieve rotor at equal intervals from top to bottom, and each layer of rotor wings is 8 and is uniformly distributed in the circumferential direction; the screen cylinder is equipped with 8 layers of rotor wings by last equidistant under to, and the quantity of every layer of rotor wing is 12 and circumference equipartition, and the sieve mesh is parallel pore structure.

The invention realizes the generation and the output of the ground pulp through the ground pulp generating device, namely, the screened ground pulp generates the ground pulp after rotating grinding and anisotropic reciprocating spinning grinding in a grinding cylinder of the ground pulp generating device, and the ground pulp with different qualities is output through a coarse pulp outlet and a fine pulp outlet; the continuous driving force is provided for the equipment through the power driving device, namely, the continuous driving force is sequentially provided for the gear B in the different-direction spinning device, the movable grinding disc in the rotary grinding device and the screen rotor in the pulp screening device from top to bottom through the motor, the main shaft and the gear A in the power driving device; the slurry is rotationally ground through a rotary grinding device, namely the slurry is rotationally pressed and ground through a movable grinding disc and a fixed grinding disc in the rotary grinding device; the reciprocating different-direction spinning grinding slurry is realized through the different-direction spinning device, namely, the pressing block is driven by a fluctuation ring, a spring and a gear B in the different-direction spinning device to drive an ejector rod to drive a pressing block to rotate in different directions relative to a movable grinding disc and to spin and grind the slurry up and down in a reciprocating manner; the pulp screening device is used for realizing the lifting control of the pulp grinding quality, namely, the screening rotor and the screening drum of the pulp screening device are used for screening the ground pulp with different qualities such as thickness and fineness so as to lift and control the pulp grinding quality.

The invention realizes the generation and output of the ground pulp by the ground pulp generating device, namely, the screened ground pulp is subjected to rotary grinding and anisotropic reciprocating spinning grinding in a grinding cylinder of the ground pulp generating device to generate ground pulp, and different-quality ground pulp is output by a coarse pulp outlet and a fine pulp outlet.

The continuous driving force is provided for equipment through the power driving device, namely, the motor, the main shaft and the gear A in the power driving device sequentially provide continuous power for the gear B in the different-direction spinning device, the rotary grinding disc in the rotary grinding device and the screen rotor in the pulp screening device from top to bottom; the flat key drives a movable grinding disc in the rotary grinding device to rotate and drives a pressing block on the movable grinding disc to revolve; the gear A is driven to rotate through the flat key, and the gear B in the different-direction rotating device is meshed with the gear A, so that the gear B drives the pressing block to rotate in different directions through the ejector rod.

The invention is provided with a roller bearing, a bearing cover and a sealing ring at the joint of the main shaft and the grinding cylinder, thereby reducing the abrasion between the main shaft and the grinding cylinder and realizing the sealing of the joint. The invention realizes the rotary grinding of slurry through the rotary grinding device, namely, the rotary pressure grinding is carried out on the slurry through the movable grinding disc and the fixed grinding disc in the rotary grinding device, and particularly, when the equipment works, the main shaft drives the movable grinding disc to rotate through a flat key, the fixed grinding disc is fixed on the inner wall of a grinding cylinder through a screw A, the slurry is impacted and extruded mutually between the fixed grinding disc and the movable grinding disc through the rotation of the movable grinding disc, the slurry is ground from thick to thin under the action of shearing and grinding to generate the grinding slurry, and the combining capability between fibers in the pulp is enhanced in the grinding process of the slurry.

The invention has the advantages that the gap is reserved between the fixed grinding disc and the main shaft, the main shaft is prevented from freely rotating in the fixed grinding disc without interference through the design, and the ground pulp smoothly flows into the screen drum through the gap.

The invention realizes the reciprocating anisotropic spinning grinding slurry by the anisotropic spinning device, namely, the pressing block is driven by the fluctuation ring, the spring and the gear B in the anisotropic spinning device to drive the mandril to drive the pressing block to rotate in an anisotropic way relative to the movable grinding disc and to spin and grind the slurry up and down in a reciprocating manner, the main shaft drives a gear B to rotate reversely relative to the movable grinding disc through a gear A, the gear B drives a pressing block to rotate reversely relative to the movable grinding disc through an ejector rod, and as the pressing block is arranged in a round hole of the movable grinding disc, the pressing block is promoted to revolve along with the movable grinding disc and rotate in different directions in the round hole of the movable grinding disc, in addition, the ejector rod on the pressing block simultaneously revolves and rotates, under the auxiliary action of the spring, the upper end of the ejector rod moves up and down in an up-and-down fluctuating motion on the fluctuating ring through the ball bearings, so that the pressing block moves up and down in a fluctuating manner, and the pressing block performs up-and-down fluctuating revolution and rotation motion under the comprehensive action; when the pressing block rotates in different directions and moves upwards in the up-and-down fluctuating revolution and rotation, under the action of negative pressure, slurry between the movable grinding disc and the fixed grinding disc is promoted to enter the round hole of the movable grinding disc, then the pressing block rotates in different directions and moves downwards, the slurry is promoted to impact and extrude mutually in the round hole of the movable grinding disc, because the round hole of the movable grinding disc is a semi-closed device, the slurry can only flow downwards in one direction, the slurry is promoted to impact and extrude in the round hole of the movable grinding disc in a pressurizing manner, and under the assistance of the fixed grinding disc, the slurry is also subjected to pressurized shearing and grinding, and in addition, the slurry discharged from the circular hole is also subjected to anisotropic movement relative to the peripheral slurry under the action of the reverse movement of the pressing block, namely, 4 anisotropic vortexes with constantly changing positions are formed in the slurry between the movable grinding disc and the fixed grinding disc, and the slurry is impacted and extruded and ground by the kinetic energy of the vortexes, so that the grinding efficiency of the slurry is improved.

According to the invention, a gap is arranged between the ejector rod and the pressing plate, so that the gas at the upper end of the pressing rod can be conveniently discharged or entered in time through the design, and the pressing block can move up and down with low resistance.

The invention meshes the external teeth of the ejector rod with the internal teeth of the gear, and through the design, the ejector rod can move along with the gear, and the ejector rod is prevented from rotating in the gear through the meshing teeth.

According to the invention, the rolling balls are arranged on the gear B and the rolling seat of the pressure plate, and the gear B can freely rotate on the rolling seat of the pressure plate through the design.

The invention realizes the lifting control of the pulp grinding quality through the pulp screening device, namely, the pulp screening device screens the ground pulp by a screen rotor and a screen drum to screen the ground pulp with different qualities of coarse pulp and fine pulp so as to lift and control the pulp grinding quality.

According to the invention, the upper end face of the screen drum is arranged in the groove of the lower end face of the fixed grinding disc, and the supporting effect of the screen drum on the fixed grinding disc is realized through the design.

The invention has the beneficial effects that: the pulping device is used for realizing pulping generation and output, the power driving device is used for providing continuous driving force for equipment, the rotary pulping device is used for realizing rotary grinding of pulp, the counter-rotating spinning device is used for realizing reciprocating counter-rotating spinning grinding of pulp, and the pulp screening device is used for realizing lifting control of pulping quality.

Drawings

Fig. 1 is a schematic view of the overall structure of the compact of the present invention at its highest point.

Fig. 2 is a schematic view of the overall structure of the compact of the present invention at its lowest point.

Fig. 3 is a schematic view of the construction of the joint of the spindle and the grinding cylinder of the present invention.

Fig. 4 is a schematic structural view of a rotary refining apparatus and a counter-rotating spinning apparatus according to the present invention.

Fig. 5 is a schematic top view of the movable grinding disc of the present invention.

Fig. 6 is a schematic top view of the fixed grinding disc of the present invention.

Fig. 7 is a partial structural schematic view of the differential spinning apparatus of the present invention.

Fig. 8 is a schematic top view of a relief ring of the present invention.

Fig. 9 is a partial structural schematic view of a relief ring of the present invention.

Fig. 10 is a schematic top view of the gear B of the present invention.

Fig. 11 is a schematic top view of the gear B of the present invention.

FIG. 12 is a schematic structural view of the differential spinning apparatus of the present invention when the compact moves down to the lowest point.

FIG. 13 is a schematic view of the structure of the pulp screening apparatus of the present invention.

Figure 14 is a schematic top view of the screen rotor and screen cylinder of the present invention.

Wherein: 1. pillar, 2, fine pulp outlet, 3, coarse pulp outlet, 4, motor, 5, spindle, 6, sieve rotor, 7, sieve drum, 8, grinding cylinder, 9, fixed grinding disc, 10, screw A, 11, round hole, 12, feeding pipe, 13, cylinder cover, 14, fluctuation ring, 15, ejector rod, 16, briquetting, 17, rotating grinding disc, 18, roller bearing, 19, bearing cover, 20, sealing ring, 21, flat key, 22, screw B, 23, pressing plate, 24, rolling seat, 25, gear B, 26, spring, 27, ball, 28, gear A, 29, lower rotating plate, 30, sieve hole, 31, upper rotating plate, 32 and rotor.

Detailed Description

Example (b):

as shown in fig. 1, 2 and 3, the refining equipment for rotary and anisotropic reciprocating spinning refining and pulp screening mainly comprises a refining generating device, a power driving device, a rotary refining device, an anisotropic spinning device and a pulp screening device, wherein the power driving device is arranged below the refining generating device, the rotary refining device and the pulp screening device are arranged in the refining generating device from top to bottom, and the anisotropic spinning device is arranged on the rotary refining device.

The invention realizes the generation and output of the ground pulp by the ground pulp generating device, namely, the screened ground pulp generates the ground pulp after rotating grinding and anisotropic reciprocating spinning grinding in a grinding cylinder 8 of the ground pulp generating device, and the ground pulp with different qualities is output by a coarse pulp outlet 3 and a fine pulp outlet 2; the continuous driving force is provided for the equipment through a power driving device, namely, the continuous driving force is provided for the gear B25 in the different-direction spinning device, the movable grinding disc 17 in the rotary refining device and the screen rotor 6 in the pulp screening device from top to bottom in sequence through a motor 4, a main shaft 5 and a gear A28 in the power driving device; the slurry is rotationally ground through a rotary grinding device, namely the slurry is rotationally pressed and ground through a movable grinding disc 17 and a fixed grinding disc 9 in the rotary grinding device; the reciprocating different-direction spinning grinding slurry is realized through a different-direction spinning device, namely the pressing block 16 is driven by a lifting ring 14, a spring 26 and a gear B25 in the different-direction spinning device to drive an ejector rod 15 to drive a pressing block 17 to rotate in different directions relative to a movable grinding disc 17 and to spin and grind the slurry up and down in a reciprocating manner; the pulp screening device is used for realizing the lifting control of the pulp grinding quality, namely, the screening rotor 6 and the screen drum 7 of the pulp screening device are used for screening the ground pulp with different qualities such as thickness and fineness so as to lift and control the pulp grinding quality.

The pulping generation device mainly comprises a grinding cylinder 8, a cylinder cover 13, a feeding pipe 12, a coarse pulp outlet 3 and a fine pulp outlet 2, wherein the cylinder cover 13 is arranged on the grinding cylinder 8, the feeding pipe 12 is arranged on the cylinder cover 13, and the coarse pulp outlet 3 and the fine pulp outlet 2 are arranged at the bottom end of the grinding cylinder 8.

The grinding cylinder 8 is of a blind cylindrical structure, and the outer side of the bottom end of the grinding cylinder 8 is provided with 4 struts 1 which are uniformly distributed in the circumferential direction; the cylinder cover 13 is arranged on the grinding cylinder 8 through 4 screws A10 which are uniformly distributed in the circumferential direction, the upper end of the feed pipe 12 is in an inverted cone structure, and the lower end of the feed pipe 12 is close to the upper end surface of the fixed grinding disc 9; the coarse pulp outlet 3 and the fine pulp outlet 2 are respectively arranged on the inner side of the bottom end of the grinding cylinder 8, the coarse pulp outlet 3 is arranged on the inner side of the screen cylinder 7, and the fine pulp outlet 2 is arranged on the outer side of the screen cylinder 7.

The invention realizes the generation and output of the ground pulp by a ground pulp generating device, namely screened pulp is subjected to rotary grinding and anisotropic reciprocating spinning grinding in a grinding cylinder 8 of the ground pulp generating device to generate ground pulp, and different-quality ground pulp is output by a coarse pulp outlet 3 and a fine pulp outlet 2, specifically, when the equipment works, the pulp screened by a pressure screen enters and is conveyed to the upper end surface of a fixed grinding disc 9 through a feeding pipe 12 on a cylinder cover 13, the pulp is quickly and efficiently ground into the ground pulp under the comprehensive action of the rotary extrusion grinding of a movable grinding disc 17 and the fixed grinding disc 9 and the anisotropic reciprocating spinning grinding of a pressing block 16, and the coarse pulp outlet 3 and the fine pulp outlet 2 respectively output the coarse pulp and the fine pulp with different-quality ground pulp under the action of a pulp product screening device.

The power driving device mainly comprises a motor 4, a main shaft 5 and a gear A28, wherein the motor 4 is positioned under the grinding cylinder 8, the main shaft 5 is arranged on the motor 4, the main shaft 5 sequentially penetrates through the bottom end of the grinding cylinder 8 and the cylinder cover 13 from bottom to top, and the gear A28 is arranged on the main shaft 5 through a flat key 21.

The main shaft 5 is a 6-segment stepped shaft, a roller bearing 18, a bearing cover 19 and a sealing ring 20 are arranged at the joint of the main shaft 5 and the grinding cylinder 8, and the roller bearing 18 is arranged at the joint of the main shaft 5 and the cylinder cover 13.

The continuous driving force is provided for equipment through the power driving device, namely the motor 4, the main shaft 5 and the gear A28 in the power driving device sequentially provide continuous power for the gear B25 in the different-direction spinning device, the rotary grinding disc 17 in the rotary grinding device and the sieve rotor 6 in the pulp screening device from top to bottom, and specifically, when the equipment works, the motor 4 drives the main shaft 5 to rotate, the main shaft 5 sequentially drives the upper rotating cover and the lower rotating cover in the pulp screening device to rotate through the flat key 21 from bottom to top, and then the sieve rotor 6 connected with the upper rotating cover and the lower rotating cover through the screw A10 is driven to rotate; the flat key 21 drives the movable grinding disc 17 in the rotary grinding device to rotate and drives the pressing block 16 on the movable grinding disc 17 to revolve; the gear A28 is driven to rotate by the flat key 21, and the gear B25 in the different rotation device is meshed with the gear A28, so that the gear B25 drives the press block 16 to rotate in different directions by the ejector rod 15.

The invention is provided with a roller bearing 18, a bearing cover 19 and a sealing ring 20 at the joint of the main shaft 5 and the grinding cylinder 8, and by the design, the abrasion between the main shaft 5 and the grinding cylinder 8 is reduced, and the joint is sealed.

Referring to fig. 4, 5 and 6, the rotary refining device mainly comprises a movable grinding disc 17 and a fixed grinding disc 9, the movable grinding disc 17 is mounted on a main shaft 5 through a

flat key

21, 4 circumferentially uniformly distributed round holes 11 are formed in the movable grinding disc 17, a pressing plate 23 is mounted on each round hole 11 of the movable grinding disc 17 through 4 circumferentially uniformly distributed screws A10, the pressing plate 23 is a circular ring plate, the fixed grinding disc 9 is mounted on the inner wall of a grinding cylinder 8 through 8 groups of upper and lower 2 layers of circumferentially uniformly distributed screws A10, a gap is reserved between the fixed grinding disc 9 and the main shaft 5, and a groove is formed in the lower end face of the fixed grinding disc 9.

The invention realizes the rotary grinding of slurry through a rotary grinding device, namely, the slurry is subjected to rotary pressure grinding through a movable grinding disc 17 and a fixed grinding disc 9 in the rotary grinding device, specifically, when the equipment works, a main shaft 5 drives the movable grinding disc 17 to rotate through a flat key 21, the fixed grinding disc 9 is fixed on the inner wall of a grinding cylinder 8 through a screw A10, the slurry is impacted and extruded mutually between the fixed grinding disc 9 and the movable grinding disc 17 through the rotation of the movable grinding disc 17, the slurry is ground from thick to thin under the action of shearing and grinding to generate grinding, and the binding capacity of fibers in the slurry is enhanced in the grinding process.

The invention leaves a gap between the fixed grinding disc 9 and the main shaft 5, through the design, the main shaft 5 is prevented from freely rotating in the fixed grinding disc 9 without interference, and the ground pulp smoothly flows into the screen cylinder 7 through the gap.

Referring to fig. 7, 8, 9, 10, 11 and 12, the differential spinning apparatus is mainly composed of a gear B25 and a relief ring 14, the roller seat 24 is installed on the pressing plate 23 through 4 circumferentially uniformly distributed screws, a circular track is arranged on the roller seat 24, a gear B25 is meshed with a gear A28, 4 circumferentially uniformly distributed concave holes are formed in the lower end of the gear B25, the balls 27 are arranged in the concave holes of the gear B25, the lower end of the ball 27 is located in the circular track of the roller seat 24, the ejector rod 15 is installed in a gear B25, the upper end and the lower end of the ejector rod 15 are respectively provided with a screw B22 and a flat key 21, the pressing plate 16 is installed at the lower end of the ejector rod 15 through a screw A10 and installed in a circular hole 11 of the movable grinding disc 17, the upper end of the ejector rod 15 is in contact with the fluctuation ring 14 through the balls 27, the fluctuation ring 14 is installed on the lower end face of the cylinder cover 13 through a screw A10, and the springs 26 are arranged between the upper end.

The number of the gears B25 is 4, the gears are uniformly distributed in the circumferential direction, the inner side and the outer side of the gear B25 are respectively provided with gear teeth, the outer side of the ejector rod 15 is provided with outer teeth, the outer teeth of the ejector rod 15 are meshed with the inner teeth of the gear, and a gap is formed between the ejector rod 15 and the pressure plate 23; the upper end surface of the pressing block 16 is of a concave structure, the side wall of the pressing block 16 is provided with an upper sealing ring 20 and a lower sealing ring 20, and the pressing block 16 and the circular hole 11 of the movable grinding disc 17 are in transition fit; the upper end and the lower end of the ejector rod 15 are respectively provided with internal threads, screws B22 are respectively arranged at the upper end and the lower end of the ejector rod 15, a key groove is arranged on the screw B22, and a flat key 21 is arranged in the key groove of the screw B22; the end face is installed under cover 13 through the boss of inside and outside 4 circumference equipartitions to undulant ring 14, is equipped with the wave undulating surface of smooth transition on the undulant ring 14, and the undulating surface of undulant ring 14 is equipped with circular track, and the up end of the screw B22 of roof up end is equipped with the shrinkage pool, is equipped with ball 27 and ball 27 upper end in the circular track of undulant ring 14 in the shrinkage pool of screw B22 on ejector pin 15.

The invention realizes the reciprocating different-direction spinning grinding slurry by a different-direction spinning device, namely, the relief ring 14, the spring 26 and the gear B25 in the different-direction spinning device drive the ejector rod 15 to drive the pressing block 16 to rotate in different directions relative to the movable grinding disc 17 and to spin the grinding slurry up and down in a reciprocating manner, in particular, when the equipment works, the main shaft 5 drives the gear B25 to rotate in reverse direction relative to the movable grinding disc 17 through the gear A28, the gear B25 drives the pressing block 16 to rotate in different directions relative to the movable grinding disc 17 through the ejector rod 15, because the pressing block 16 is in the round hole 11 of the movable grinding disc 17, the pressing block 16 is prompted to revolve along with the movable grinding disc 17 and rotate in different directions in the round hole 11 of the movable grinding disc 17, in addition, the ejector rod 15 on the pressing block 16 revolves and rotates in the same direction, under the auxiliary action of the spring 26, the upper end of the ejector rod 15 does up-and-down fluctuating, under the comprehensive action, the pressing block 16 performs the revolution and rotation movements of up-and-down fluctuation; when the briquetting 16 revolves and rotates up and down in an up-and-down fluctuating way, when the briquetting 16 moves up in an abnormal way, under the action of negative pressure, the slurry between the movable grinding disc 17 and the fixed grinding disc 9 is promoted to enter the round hole 11 of the movable grinding disc 17, then the briquetting 16 moves down in an abnormal way, the slurry is promoted to impact and extrude mutually in the round hole 11 of the movable grinding disc 17, because the round hole 11 of the movable grinding disc 17 is a semi-closed device, the slurry can only flow downwards in a single direction, the slurry is promoted to impact and extrude in the round hole 11 of the movable grinding disc 17 in a pressurizing way, under the assistance of the fixed grinding disc 9, the slurry is also subjected to shearing and grinding in a pressurizing way, in addition, under the action of reverse movement of the briquetting 16, the slurry coming out of the round hole 11 also performs abnormal movement relative to the peripheral slurry, namely 4 abnormal vortexes with constantly changing positions are formed in the slurry between the movable grinding disc 17 and the fixed grinding disc, Extrusion grinding is carried out to improve the grinding efficiency of the slurry.

According to the invention, a gap is arranged between the ejector rod 15 and the pressing plate 23, so that the gas at the upper end of the pressing rod can be conveniently discharged or entered in time through the design, and the pressing block 16 can move up and down with low resistance.

According to the invention, the external teeth of the ejector rod 15 are meshed with the internal teeth of the gear, so that the ejector rod 15 can move along with the gear, and the ejector rod 15 is prevented from rotating in the gear through the meshing teeth.

The invention is provided with the ball 27 on the gear B25 and the rolling seat 24 of the pressure plate 23, and the design realizes that the gear B25 freely rotates on the rolling seat 24 of the pressure plate 23.

Referring to fig. 13 and 14, the pulp screening device mainly comprises a screen rotor 6, a rotor 32, a screen cylinder 7 and screen holes 30, wherein an upper rotating cover and a lower rotating cover are installed at the upper end and the lower end of the screen rotor 6 through screws A10, the upper rotating cover and the lower rotating cover are respectively installed on a spindle 5 through flat keys 21, the rotor 32 is welded on the outer side surface of the screen rotor 6, the lower end of the screen cylinder 7 is installed at the bottom end of a grinding cylinder 8 through screws, the upper end surface of the screen cylinder 7 is installed in a groove of the lower end surface of a fixed grinding disc 9, and the screen holes 30 are formed in the screen cylinder 7.

3 layers of rotary wings 32 are arranged on the sieve rotor 6 at equal intervals from top to bottom, and each layer of rotary wings 32 is 8 and is uniformly distributed in the circumferential direction; 8 layers of rotary wings 32 are arranged on the screen cylinder 7 at equal intervals from top to bottom, the number of each layer of rotary wings 32 is 12, the rotary wings are circumferentially and uniformly distributed, and the screen holes 30 are of a parallel hole structure.

The invention realizes the lifting control of the pulp grinding quality through the pulp screening device, namely, the pulp screening device screens the grinded pulp grinding by a screen rotor 6 and a screen cylinder 7 with different qualities, so as to lift and control the pulp grinding quality, specifically, when the equipment works, the grinded pulp grinding enters the screen cylinder 7, a main shaft 5 rotates the screen rotor 6 through an upper rotating cover and a lower rotating cover, a rotor 32 on the screen rotor 6 rotationally extrudes the pulp grinding in the screen cylinder 7, the fine pulp grinding in the pulp grinding is driven to be screened out through a screen hole 30 on the screen cylinder 7, the fine pulp grinding is output through a fine pulp outlet 2, the coarse pulp grinding in the pulp grinding is continuously remained in the screen cylinder 7, the coarse pulp is output through a coarse pulp outlet 3, and the quality of the pulp grinding is controlled and lifted through the screening of the coarse and fine pulp grinding.

According to the invention, the upper end surface of the screen cylinder 7 is arranged in the groove of the lower end surface of the fixed grinding disc 9, and the supporting effect of the screen cylinder 7 on the fixed grinding disc 9 is realized through the design.

Claims

1. A kind of rotating, different direction reciprocal spinning grinds and pulp grinding apparatus that the pulp article screens, mainly include the generating device of defibrination, power drive unit, rotating defibrination device, different direction spinning apparatus and pulp article screening plant, the power drive unit is installed below the generating device of defibrination, rotating defibrination device and pulp article screening plant are installed in defibrination generating device from top to bottom, different direction spinning apparatus is installed on love rotating defibrination device; the method is characterized in that: the pulping generation device mainly comprises a grinding cylinder, a cylinder cover, a feeding pipe, a coarse pulp outlet and a fine pulp outlet, wherein the cylinder cover is arranged on the grinding cylinder, the feeding pipe is arranged on the cylinder cover, and the coarse pulp outlet and the fine pulp outlet are arranged at the bottom end of the grinding cylinder; the power driving device mainly comprises a motor, a main shaft and a gear A, wherein the motor is positioned right below the grinding cylinder, the main shaft is arranged on the motor, the main shaft sequentially penetrates through the bottom end of the grinding cylinder and the cylinder cover from bottom to top, and the gear A is arranged on the main shaft through a flat key; the rotary pulping device mainly comprises a movable grinding disc and a fixed grinding disc, wherein the movable grinding disc is arranged on a main shaft through a flat key, 4 circular holes are circumferentially and uniformly distributed on the movable grinding disc, a pressing plate is arranged on each circular hole of the movable grinding disc through 4 screws A which are circumferentially and uniformly distributed, the pressing plate is a circular ring plate, the fixed grinding disc is arranged on the inner wall of a grinding cylinder through 8 groups of screws A which are circumferentially and uniformly distributed on an upper layer and a lower layer, a gap is reserved between the fixed grinding disc and the main shaft, and a groove is arranged on the lower end surface of the fixed grinding; the outward spinning device mainly comprises a gear B, a fluctuation ring, an ejector rod, a pressing block, a spring, balls and a rolling seat, wherein the rolling seat is installed on the pressing plate through 4 circumferentially uniformly distributed screws, a circular track is arranged on the rolling seat, the gear B is meshed with the gear A, 4 circumferentially uniformly distributed concave holes are formed in the lower end of the gear B, the balls are arranged in the concave holes of the gear B, the lower ends of the balls are located in the circular track of the rolling seat, the ejector rod is installed in the gear B, the upper end and the lower end of the ejector rod are respectively provided with the screw B and a flat key, the lower end of the ejector rod is provided with the pressing block through the screw A, the pressing block is installed in a circular hole of a movable grinding disc, the upper end of the ejector rod is contacted with the fluctuation ring; the pulp screening device mainly comprises a screen rotor, a screen drum and screen meshes, wherein an upper rotating cover and a lower rotating cover are installed at the upper end and the lower end of the screen rotor through screws A, the upper rotating cover and the lower rotating cover are installed on a main shaft through flat keys respectively, the rotor is welded on the outer side surface of the screen rotor, the lower end of the screen drum is installed on the bottom end of a grinding drum through screws, the upper end surface of the screen drum is installed in a groove of the lower end surface of a fixed grinding disc, and the screen meshes are arranged on the screen drum.

2. A refining apparatus with rotary, counter-rotating reciprocating spinning and pulp screening as claimed in claim 1, characterized in that: the grinding cylinder is of a blind cylinder structure, and the outer side of the bottom end of the grinding cylinder is provided with 4 struts which are uniformly distributed in the circumferential direction; the cylinder cover is arranged on the grinding cylinder through 4 screws A which are uniformly distributed in the circumferential direction, the upper end of the feed pipe is of an inverted cone structure, and the lower end of the feed pipe is close to the upper end surface of the fixed grinding disc; the coarse pulp outlet and the fine pulp outlet are respectively arranged on the inner side of the bottom end of the grinding cylinder, the coarse pulp outlet is arranged on the inner side of the screen cylinder, and the fine pulp outlet is arranged on the outer side of the screen cylinder.

3. A refining apparatus with rotary, counter-rotating reciprocating spinning and pulp screening as claimed in claim 1, characterized in that: the main shaft is a 6-section stepped shaft, a roller bearing, a bearing cover and a sealing ring are arranged at the joint of the main shaft and the grinding cylinder, and the roller bearing is arranged at the joint of the main shaft and the cylinder cover.

4. A refining apparatus with rotary, counter-rotating reciprocating spinning and pulp screening as claimed in claim 1, characterized in that: the number of the gears B is 4, the gears are uniformly distributed in the circumferential direction, gear teeth are respectively arranged inside and outside the gears B, external teeth are arranged on the outer side surface of the ejector rod, the external teeth of the ejector rod are meshed with the internal teeth of the gears, and a gap is formed between the ejector rod and the pressure plate; the upper end surface of the pressing block is of an inwards concave structure, the side wall of the pressing block is provided with an upper layer of sealing ring and a lower layer of sealing ring, and the pressing block is in transition fit with the circular hole of the movable grinding disc; the upper end and the lower end of the ejector rod are respectively provided with internal threads, the screws B are respectively arranged at the upper end and the lower end of the ejector rod, key grooves are formed in the screws B, and flat keys are arranged in the key grooves of the screws B; the terminal surface is installed under the cover through the flange of inside and outside 4 circumference equipartitions to the fluctuation ring, is equipped with the wave winding face of smooth-going transition on the fluctuation ring, and the winding face of fluctuation ring is equipped with circular track, and the up end of the screw B of roof up end is equipped with the shrinkage pool, is equipped with ball and ball upper end in the shrinkage pool of ejector pin upper end screw B and lies in the circular track of fluctuation ring.

5. A refining apparatus with rotary, counter-rotating reciprocating spinning and pulp screening as claimed in claim 1, characterized in that: 3 layers of rotor wings are arranged on the sieve rotor at equal intervals from top to bottom, and each layer of rotor wings is 8 and is uniformly distributed in the circumferential direction; the screen cylinder is equipped with 8 layers of rotor wings by last equidistant under to, and the quantity of every layer of rotor wing is 12 and circumference equipartition, and the sieve mesh is parallel pore structure.