阅读说明：本技术 一种基于先碎筛后压引且增压旋磨的磨浆设备 (Pulping equipment based on crushing sieve firstly and then pressing and guiding and pressurizing rotary grinding ) 是由 安延涛 杨玉娥 张义花 赵东 于 2020-04-16 设计创作，主要内容包括：本发明提供了一种基于先碎筛后压引且增压旋磨的磨浆设备,主要包括磨浆生成装置、动力驱动装置,主要由料筒和扰流板组成的扰流碎浆装置,由动磨盘A、筛鼓和旋翼组成的旋压筛浆装置,由动磨盘A、定磨盘、压块和挡板组成的压引旋磨装置,和由定磨盘、动磨盘B、压环、顶块和挡筒组成的增压旋磨装置。其特点是将碎、筛和磨浆集成,采用挤压、引流且旋压粗、细磨浆。本发明通过扰流碎浆装置实现料浆的扰流破碎分解,通过旋压筛浆装置实现良浆的筛选,通过压引旋磨装置实现良浆的挤压引流旋磨并生成粗磨浆,通过增压旋磨装置对粗磨浆进行增压旋磨并生成细磨浆。(The invention provides a pulping device based on crushing, screening and pressing-guiding and pressurizing rotary grinding, which mainly comprises a pulping generation device, a power driving device, a turbulence pulping device mainly composed of a charging barrel and a spoiler, a rotary-pressing pulp screening device composed of a movable grinding disc A, a screen drum and a rotor wing, a pressing-guiding rotary grinding device composed of a movable grinding disc A, a fixed grinding disc B, a pressing ring, a top block and a blocking barrel, and a pressurizing rotary grinding device composed of a fixed grinding disc A, a movable grinding disc B, a pressing ring, a top block and a blocking barrel. The method is characterized in that crushing, screening and grinding are integrated, and coarse grinding and fine grinding are performed by adopting extrusion, drainage and spinning. According to the invention, the turbulence crushing and decomposition of slurry are realized through the turbulence pulping device, the screening of good slurry is realized through the spinning pulp screening device, the extrusion, drainage and spinning of the good slurry is realized through the pressing, drainage and spinning device to generate coarse grinding slurry, and the pressurization and spinning device is used for performing pressurization and spinning on the coarse grinding slurry to generate fine grinding slurry.)

1. A pulping device based on crushing and screening before pressing and pressurizing rotary grinding mainly comprises a pulping generation device, a power driving device, a turbulence pulping device, a spinning pulping device, a pressing and guiding rotary grinding device and a pressurizing rotary grinding device, wherein the power driving device is arranged below the pulping generation device; the method is characterized in that: the pulping generation device mainly comprises a grinding cylinder, a cylinder cover, a feeding hole and a pulping outlet, wherein the cylinder cover is arranged on the grinding cylinder, the pulping outlet is positioned on the grinding cylinder, and the feeding hole is positioned on the cylinder cover; the power driving device mainly comprises a motor and a main shaft, the motor is positioned right below the grinding cylinder, the main shaft is arranged on the motor, and the motor sequentially penetrates through the grinding cylinder and the cylinder cover from bottom to top; the turbulent flow pulping device mainly comprises a charging barrel and a turbulent flow plate, wherein the charging barrel is arranged at the lower end of a barrel cover through 4 screws which are uniformly distributed in the circumferential direction, 2 filtering holes A are symmetrically formed in the bottom end of the charging barrel, the turbulent flow plate is welded on a cylinder, and the cylinder is arranged on a main shaft through a flat key; the rotary extrusion pulp screening device mainly comprises a movable grinding disc A, a screen cylinder and a rotor wing, wherein the movable grinding disc A is installed on a main shaft through a flat key, the screen cylinder is installed on the upper end face of the movable grinding disc A through the flat key, the screen cylinder is provided with a filter hole B, and the rotor wing is welded on the outer side wall of the charging barrel; the pressure-induced rotational grinding device mainly comprises a movable grinding disc A, a fixed grinding disc, a pressing block and a baffle plate, wherein the fixed grinding disc is installed on the inner wall of the grinding cylinder through a screw, the pressing block is welded on the lower end face of the movable grinding disc A, and the baffle plate is welded on the upper end face of the fixed grinding disc; the pressure boost grinds device soon mainly comprises deciding the mill, moving mill B, clamping ring, kicking block and fender section of thick bamboo, moves mill B and installs on the main shaft through the parallel key, in the clamping ring, the terminal surface under deciding the mill is installed through the screw of 8 circumference equipartitions respectively in the outside, the kicking block is inboard through moving mill B up end through installing with screw, be equipped with the ball on the kicking block, the ball up end contacts with deciding the mill lower terminal surface, keep off a section of thick bamboo inboard through 4 circumference equipartitions's mounting with screw move mill B up end outside, keep off and be equipped with filtration pore C on the section of thick bamboo.

2. A refining apparatus based on a crushing screen followed by pressure inducing and pressure increasing rotary mill as claimed in claim 1, characterized in that: the grinding cylinder is of a blind cylinder structure, a grinding outlet is formed in the inner side of the bottom end of the grinding cylinder, and 4 support columns which are uniformly distributed in the circumferential direction are arranged on the outer side of the bottom end of the grinding cylinder; the cover is installed at a mill section of thick bamboo up end through the screw of 4 circumference equipartitions, and the symmetry is equipped with 2 feed inlets on the cover, and the feed inlet is located the feed cylinder top.

3. A refining apparatus based on a crushing screen followed by pressure inducing and pressure increasing rotary mill as claimed in claim 1, characterized in that: the main shaft is a 5-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 based on a crushing screen followed by pressure inducing and pressure increasing rotary mill as claimed in claim 1, characterized in that: the feed cylinder and the main shaft are in clearance fit, a sealing ring is arranged at the joint of the feed cylinder and the main shaft, the number of the spoilers is 4, the spoilers are uniformly distributed in the circumferential direction, and triangular saw teeth are respectively arranged on the upper end face, the lower end face and the outer end face of each spoiler.

5. A refining apparatus based on a crushing screen followed by pressure inducing and pressure increasing rotary mill as claimed in claim 1, characterized in that: the screen cylinder is of a through cylinder structure and is arranged on the upper end face of the movable grinding disc A through 4 screws which are uniformly distributed in the circumferential direction; 3 layers of filtering holes B are arranged on the screen cylinder at equal intervals from top to bottom, the number of each layer of filtering holes B is 20, the filtering holes B are uniformly distributed in the circumferential direction, and the diameter value of each filtering hole A is 2 times that of each filtering hole B; the rotor is equipped with 2 layers by last equidistant under to on the feed cylinder lateral wall, and the quantity of every layer of rotor is 12 and circumference equipartition.

6. A refining apparatus based on a crushing screen followed by pressure inducing and pressure increasing rotary mill as claimed in claim 1, characterized in that: the fixed grinding disc is of a circular disc structure, and a gap is formed between the fixed grinding disc and the main shaft; the pressing block is an arc-shaped plate, the longitudinal section of the pressing block is in a right trapezoid shape, the bevel edge is arranged on the front half part of the pressing block, the angle between the bevel edge of the longitudinal section of the pressing block and the lower end face of the movable grinding disc A is 30 degrees, the transverse section of the rear half part of the pressing block is in the right trapezoid shape, the bevel edge is arranged on the inner side of the pressing block, and the angle between the bevel edge of the longitudinal section of the; the pressing blocks are arranged on the movable grinding disc A at equal intervals from inside to outside, the number of the 1 st pressing blocks is 5, the 1 st pressing blocks are circumferentially and uniformly distributed, the number of the 2 nd pressing blocks is 6, the 2 nd pressing blocks are circumferentially and uniformly distributed, the arc length value of the 2 nd pressing blocks is 1.5 times of the arc length value of the 1 st pressing blocks, the number of the 3 rd pressing blocks is 7, the 3 rd pressing blocks are circumferentially and uniformly distributed, the arc length value of the 3 rd pressing blocks is 1.5 times of the arc length value of the 2 nd pressing blocks, the number of the 4 th pressing blocks is 8, the 4 th pressing blocks are circumferentially and uniformly distributed, and the arc length value of the 4 th pressing blocks is 1.5 times of; the baffle is the circular arc board, the baffle is equipped with 4 layers by inside to outside equidistant on deciding the mill, the quantity of every layer of baffle is 2 and symmetrical arrangement, be equipped with the arc breach between every layer of baffle, the baffle staggered arrangement of adjacent layer, 2 times that 2 times of 1 layer of baffle is the breach arc length value between the baffle of 2 nd layer, 2 times that 3 times that 3 layers of baffle are 2 layers of baffle is the breach arc length value between the baffle, 3 times that 4 layers of baffle is 3 times that 1 layer of baffle is the breach arc length value between the baffle.

7. A refining apparatus based on a crushing screen followed by pressure inducing and pressure increasing rotary mill as claimed in claim 1, characterized in that: the compression ring is of a circular structure, the longitudinal section of the compression ring is in a right trapezoid shape, the inner side of the compression ring is low, the outer side of the compression ring is high, and the included angle between the inclined surface of the compression ring and the lower end surface of the fixed grinding disc is 150 degrees; the number of the top blocks is 4, and the top blocks are uniformly distributed in the circumferential direction; the number of the filter holes C on the blocking cylinder is 12, the filter holes C are uniformly distributed in the circumferential direction, and the diameter value of the filter holes A is 2 times that of the filter holes C; the distance value between the lower end face of the movable grinding disc A and the upper end face of the fixed grinding disc is 1.5 times that between the lower end face of the fixed grinding disc and the upper end face of the movable grinding disc B, and the distance value between the lower end face of the movable grinding disc A and the upper end face of the fixed grinding disc is 3 times that between the lower end face of the charging barrel and the upper end face of the movable grinding disc A.

Technical Field

The invention relates to a pulping device based on crushing, screening and pressing-guiding and pressurizing rotary grinding, in particular to a pulping device which realizes the generation and output of pulping through a pulping generation device, provides continuous power for the device through a power driving device, realizes the turbulent flow crushing and decomposition of slurry through a turbulent flow pulping device, realizes the screening of good pulp through a spinning pulp screening device, realizes the extrusion, drainage and rotary grinding of the good pulp through a pressing-guiding rotary grinding device and generates coarse pulping, and performs pressurizing rotary grinding on the coarse pulping through a pressurizing rotary grinding device and generates fine pulping, belonging to the technical research and development field of papermaking equipment.

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; the pulp grinding quality is low, and the two millstones are simply ground, so that the pulp grinding is easy to have uneven size, and extremely large particles exist in the pulp sometimes, so that the pulp grinding quality is reduced, and the millstones are easy to wear; and thirdly, the integration level of equipment is low, three sets of equipment are needed for pulping, screening and grinding in the papermaking link, the investment capital of the equipment is increased, and the space of a plant area is occupied.

Therefore, aiming at the problems of low refining efficiency, low refining quality, low equipment integration level and the like commonly existing in the use of the existing refiner, the refining equipment with high refining efficiency, high refining quality and high equipment integration level 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, low equipment integration level and the like commonly existing in the use of the existing pulping machine, the invention provides the pulping equipment based on the crushing sieve and then the pressure guide and the pressurizing rotary grinding, which can effectively solve the problems.

The invention relates to a pulping device based on crushing and screening before pressing and pressurizing rotary grinding, which adopts the following technical scheme:

a pulping device based on crushing and screening before pressing and pressurizing rotary grinding mainly comprises a pulping generation device, a power driving device, a turbulence pulping device, a spinning pulping device, a pressing and guiding rotary grinding device and a pressurizing rotary grinding device, wherein the power driving device is arranged below the pulping generation device; the pulping generation device mainly comprises a grinding cylinder, a cylinder cover, a feeding hole and a pulping outlet, wherein the cylinder cover is arranged on the grinding cylinder, the pulping outlet is positioned on the grinding cylinder, and the feeding hole is positioned on the cylinder cover; the power driving device mainly comprises a motor and a main shaft, the motor is positioned right below the grinding cylinder, the main shaft is arranged on the motor, and the motor sequentially penetrates through the grinding cylinder and the cylinder cover from bottom to top; the turbulent flow pulping device mainly comprises a charging barrel and a turbulent flow plate, wherein the charging barrel is arranged at the lower end of a barrel cover through 4 screws which are uniformly distributed in the circumferential direction, 2 filtering holes A are symmetrically formed in the bottom end of the charging barrel, the turbulent flow plate is welded on a cylinder, and the cylinder is arranged on a main shaft through a flat key; the rotary extrusion pulp screening device mainly comprises a movable grinding disc A, a screen cylinder and a rotor wing, wherein the movable grinding disc A is installed on a main shaft through a flat key, the screen cylinder is installed on the upper end face of the movable grinding disc A through the flat key, the screen cylinder is provided with a filter hole B, and the rotor wing is welded on the outer side wall of the charging barrel; the pressure-induced rotational grinding device mainly comprises a movable grinding disc A, a fixed grinding disc, a pressing block and a baffle plate, wherein the fixed grinding disc is installed on the inner wall of the grinding cylinder through a screw, the pressing block is welded on the lower end face of the movable grinding disc A, and the baffle plate is welded on the upper end face of the fixed grinding disc; the pressure boost grinds device soon mainly comprises deciding the mill, moving mill B, clamping ring, kicking block and fender section of thick bamboo, moves mill B and installs on the main shaft through the parallel key, in the clamping ring, the terminal surface under deciding the mill is installed through the screw of 8 circumference equipartitions respectively in the outside, the kicking block is inboard through moving mill B up end through installing with screw, be equipped with the ball on the kicking block, the ball up end contacts with deciding the mill lower terminal surface, keep off a section of thick bamboo inboard through 4 circumference equipartitions's mounting with screw move mill B up end outside, keep off and be equipped with filtration pore C on the section of thick bamboo.

The grinding cylinder is of a blind cylinder structure, a grinding outlet is formed in the inner side of the bottom end of the grinding cylinder, and 4 support columns which are uniformly distributed in the circumferential direction are arranged on the outer side of the bottom end of the grinding cylinder; the cover is installed at a mill section of thick bamboo up end through the screw of 4 circumference equipartitions, and the symmetry is equipped with 2 feed inlets on the cover, and the feed inlet is located the feed cylinder top.

The main shaft is a 5-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 feed cylinder and the main shaft are in clearance fit, a sealing ring is arranged at the joint of the feed cylinder and the main shaft, the number of the spoilers is 4, the spoilers are uniformly distributed in the circumferential direction, and triangular saw teeth are respectively arranged on the upper end face, the lower end face and the outer end face of each spoiler.

The screen cylinder is of a through cylinder structure and is arranged on the upper end face of the movable grinding disc A through 4 screws which are uniformly distributed in the circumferential direction; 3 layers of filtering holes B are arranged on the screen cylinder at equal intervals from top to bottom, the number of each layer of filtering holes B is 20, the filtering holes B are uniformly distributed in the circumferential direction, and the diameter value of each filtering hole A is 2 times that of each filtering hole B; the rotor is equipped with 2 layers by last equidistant under to on the feed cylinder lateral wall, and the quantity of every layer of rotor is 12 and circumference equipartition.

The fixed grinding disc is of a circular disc structure, and a gap is formed between the fixed grinding disc and the main shaft; the pressing block is an arc-shaped plate, the longitudinal section of the pressing block is in a right trapezoid shape, the bevel edge is arranged on the front half part of the pressing block, the angle between the bevel edge of the longitudinal section of the pressing block and the lower end face of the movable grinding disc A is 30 degrees, the transverse section of the rear half part of the pressing block is in the right trapezoid shape, the bevel edge is arranged on the inner side of the pressing block, and the angle between the bevel edge of the longitudinal section of the; the pressing blocks are arranged on the movable grinding disc A at equal intervals from inside to outside, the number of the 1 st pressing blocks is 5, the 1 st pressing blocks are circumferentially and uniformly distributed, the number of the 2 nd pressing blocks is 6, the 2 nd pressing blocks are circumferentially and uniformly distributed, the arc length value of the 2 nd pressing blocks is 1.5 times of the arc length value of the 1 st pressing blocks, the number of the 3 rd pressing blocks is 7, the 3 rd pressing blocks are circumferentially and uniformly distributed, the arc length value of the 3 rd pressing blocks is 1.5 times of the arc length value of the 2 nd pressing blocks, the number of the 4 th pressing blocks is 8, the 4 th pressing blocks are circumferentially and uniformly distributed, and the arc length value of the 4 th pressing blocks is 1.5 times of; the baffle is the circular arc board, the baffle is equipped with 4 layers by inside to outside equidistant on deciding the mill, the quantity of every layer of baffle is 2 and symmetrical arrangement, be equipped with the arc breach between every layer of baffle, the baffle staggered arrangement of adjacent layer, 2 times that 2 times of 1 layer of baffle is the breach arc length value between the baffle of 2 nd layer, 2 times that 3 times that 3 layers of baffle are 2 layers of baffle is the breach arc length value between the baffle, 3 times that 4 layers of baffle is 3 times that 1 layer of baffle is the breach arc length value between the baffle.

The compression ring is of a circular structure, the longitudinal section of the compression ring is in a right trapezoid shape, the inner side of the compression ring is low, the outer side of the compression ring is high, and the included angle between the inclined surface of the compression ring and the lower end surface of the fixed grinding disc is 150 degrees; the number of the top blocks is 4, and the top blocks are uniformly distributed in the circumferential direction; the number of the filter holes C on the blocking cylinder is 12, the filter holes C are uniformly distributed in the circumferential direction, and the diameter value of the filter holes A is 2 times that of the filter holes C; the distance value between the lower end face of the movable grinding disc A and the upper end face of the fixed grinding disc is 1.5 times that between the lower end face of the fixed grinding disc and the upper end face of the movable grinding disc B, and the distance value between the lower end face of the movable grinding disc A and the upper end face of the fixed grinding disc is 3 times that between the lower end face of the charging barrel and the upper end face of the movable grinding disc A.

The invention realizes the generation and output of the jordaning by the jordaning generating device, namely, the slurry generates the needed jordaning in the grinding cylinder of the jordaning generating device and is output by a jordaning outlet; the power driving device provides continuous power for the equipment, namely the motor and the main shaft in the power driving device provide continuous driving force for the turbulence pulp crushing device, the spinning pulp screening device, the pressure-induced rotary grinding device and the pressure-increasing rotary grinding device; the turbulent flow crushing decomposition of the slurry is realized through the turbulent flow pulping device, namely, the slurry is subjected to turbulent flow, shearing, crushing and decomposition through a turbulent flow plate in the turbulent flow pulping device and triangular saw teeth on the turbulent flow pulping device; screening good pulp by a spinning pulp screening device, namely spinning and screening the good pulp in the slurry by a screen cylinder of the spinning pulp screening device; the method comprises the following steps of (1) realizing extrusion drainage rotary grinding of good pulp by a pressure drainage rotary grinding device and generating rough grinding pulp, namely extruding and draining the good pulp by a pressing block and a baffle plate in the pressure drainage rotary grinding device, and carrying out rotary grinding on the good pulp by the lower end surface of a movable grinding disc A and the upper end surface of a fixed grinding disc so as to generate rough grinding pulp; carry out pressure boost rotary grinding to the coarse grinding thick liquid through pressure boost rotary grinding device and generate the thin mill thick liquid, carry out the pressure boost through the clamping ring among the pressure boost rotary grinding device to grind through deciding the mill lower extreme face and moving mill B upper end face to the coarse grinding thick liquid soon, thereby generate the thin mill thick liquid.

The invention realizes the generation and output of the ground pulp through the ground pulp generating device, namely, the slurry generates the required ground pulp in a grinding cylinder of the ground pulp generating device and is output from a ground pulp outlet.

The continuous power is provided for the equipment through the power driving device, namely the continuous driving force is provided for the turbulence pulping device, the spinning pulp screening device, the pressure guiding rotary grinding device and the pressure boosting rotary grinding device through the motor and the main shaft in the power driving device.

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 not only reducing the abrasion at the joint of the main shaft and the grinding cylinder, but also realizing the sealing at the joint of the main shaft and the grinding cylinder and preventing the leakage.

The invention realizes the turbulent flow crushing decomposition of slurry through the turbulent flow pulping device, namely, slurry is subjected to turbulent flow, shearing crushing decomposition through a turbulent flow plate in the turbulent flow pulping device and triangular saw teeth on the turbulent flow pulping device, specifically, when the equipment works, a mixed solution of crushed aggregates and water is poured into a charging barrel from a charging port on a barrel cover, the rotating turbulent flow plate is used for stirring the mixed solution to promote the crushed aggregates in the mixed solution to be stirred, crushed and decomposed, in addition, the triangular saw teeth on the turbulent flow plate are used for shearing, crushing and decomposing the crushed aggregates in the mixed solution to form slurry after crushing and decomposing, and the formed slurry enters a screen drum through a filter hole A.

The invention sets the distance value between the lower end surface of the movable grinding disc A and the upper end surface of the fixed grinding disc A to be 3 times of the distance value between the lower end surface of the charging barrel and the upper end surface of the movable grinding disc A, realizes small gap between the lower end surface of the charging barrel and the upper end surface of the movable grinding disc A through the design, and prevents mixed liquid from entering the screen drum before being fully stirred, crushed and decomposed.

The invention realizes the screening of good pulp by the spinning pulp screening device, namely the good pulp in the slurry is spun and screened by the screen cylinder of the spinning pulp screening device, specifically, when the equipment works, the generated slurry enters the screen cylinder, the screen cylinder rotates along with the grinding disc A, the slurry is extruded by the rotor wing when passing through the rotor wing, the good pulp in the slurry is promoted to be screened out through the filtering holes B on the screen cylinder, and the screened good pulp falls into the upper end surface of the fixed grinding disc.

The invention realizes the extrusion drainage rotary grinding of good pulp and generates rough grinding pulp by a pressure guide rotary grinding device, namely the good pulp is extruded and drained by a pressing block and a baffle plate in the pressure guide rotary grinding device, and the good pulp is subjected to rotary grinding by the lower end surface of a movable grinding disc A and the upper end surface of a fixed grinding disc, so as to generate rough grinding pulp; in addition, the pressing block on the lower end face of the movable grinding disc A is used for pressurizing and extruding the good pulp, so that the grinding efficiency of the good pulp is improved, the combination among fibers is enhanced, and the inclined face on the pressing block is used for draining the good pulp; in addition, the baffle plate on the upper end surface of the fixed grinding disc plays a role in guiding the good pulp and promotes the good pulp to stay between the two baffle plates so as to facilitate the good pulp to be ground more.

The gap is arranged between the fixed grinding disc and the main shaft, so that the main shaft is prevented from moving in the fixed grinding disc without interference through the design, and coarse grinding pulp enters the upper end surface of the movable grinding disc B through the gap between the fixed grinding disc and the main shaft.

According to the invention, the inclined planes are arranged at the front part and the inner side of the pressing block, and the drainage of the good pulp is realized through the design, namely the good pulp quickly enters the lower part of the pressing block by utilizing the inclined plane at the front part of the pressing block, so that the pressure is used for pressurizing and extruding the slurry; the inclined surface at the inner side of the pressing block is utilized to move the good pulp to the baffle plate at the inner side, thereby playing a role in draining the good pulp.

The invention gradually reduces the arc-shaped gap between the baffle plates from outside to inside, and controls the flow of good pulp by the mode.

The arc-shaped gaps between the adjacent baffle plates are arranged in a staggered mode, good pulp flows in a roundabout mode through the design, and the retention time of the good pulp between the movable grinding disc A and the fixed grinding disc is prolonged.

The invention carries out pressurization rotary grinding on coarse grinding pulp and generates fine grinding pulp through a pressurization rotary grinding device, namely, the coarse grinding pulp is pressurized through a pressure ring in the pressurization rotary grinding device, and the coarse grinding pulp is subjected to rotary grinding through the lower end surface of a fixed grinding disc and the upper end surface of a movable grinding disc B, so as to generate fine grinding pulp, and particularly, when the equipment works, the generated coarse grinding pulp enters the upper end surface of the movable grinding disc B through a gap between the fixed grinding disc and a main shaft, the coarse grinding pulp is mutually impacted and extruded in the gap between the lower end surface of the fixed grinding disc and the upper end surface of the movable grinding disc B under the action of the rotating movable grinding disc B, the coarse grinding pulp is ground again from coarse to fine under the actions of shearing and grinding, so as to generate fine grinding pulp, and the bonding capacity between fibers in the fine grinding pulp is enhanced again; in addition, the compression ring on the lower end face of the fixed grinding disc plays a role in pressurizing and extruding the coarse grinding pulp, so that the coarse grinding pulp is rapidly ground, the combination among fibers is enhanced, and the generated fine grinding pulp enters the bottom end of the grinding cylinder through the filtering holes C on the blocking cylinder.

The invention sets the pressure ring to be an inclined structure with a low inner side and a high outer side, and realizes the gradual pressure extrusion of the coarse grinding pulp through the design.

According to the invention, the ejecting block and the ball are arranged on the inner side of the upper end face of the movable grinding disc B, so that the fixed grinding disc is supported, and the abrasion of the contact surface of the movable grinding disc B and the fixed grinding disc is reduced.

The invention makes the distance value between the lower end surface of the movable grinding disc A and the upper end surface of the fixed grinding disc A be 1.5 times of the distance value between the lower end surface of the fixed grinding disc and the upper end surface of the movable grinding disc B, and realizes different pressurization on slurry during coarse grinding and fine grinding through the design.

According to the invention, the filter holes A, B and C are gradually reduced, and all links for generating fine grinding pulp are sequentially controlled through the design, so that the quality of the fine grinding pulp is improved.

The invention has the beneficial effects that: the device comprises a pulp grinding device, a power driving device, a pulp grinding device, a rotary grinding device, a pressure boosting rotary grinding device, a pressure limiting rotary grinding device and a pressure limiting rotary grinding device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure of the joint of the spindle and the grinding cylinder of the present invention.

Fig. 3 is a schematic structural view of a flow disturbing and pulp screening device of the present invention.

Fig. 4 is a schematic top view of the flow disturbing and pulp screening device of the present invention.

Fig. 5 is a schematic layout of the pressure-induced rotational grinding device of the present invention.

FIG. 6 is a schematic view of the arrangement of the briquette and the baffle of the present invention.

FIG. 7 is a schematic structural view of a longitudinal section of a briquette according to the present invention.

Fig. 8 is a schematic structural view of the pressurized rotational grinding device of the present invention.

Fig. 9 is a schematic view of the construction of the pressure ring of the present invention.

Fig. 10 is a schematic layout of the top block and the catch barrel of the present invention.

Wherein: 1. pillar, 2, grinding outlet, 3, motor, 4, main shaft, 5, grinding cylinder, 6, movable grinding disc B, 7, fixed grinding disc, 8, movable grinding disc A, 9, screen drum, 10, screw, 11, cylinder cover, 12, feed inlet, 13, spoiler, 14, charging cylinder, 15, rotor wing, 16, roller bearing, 17, bearing cover, 18, sealing ring, 19, flat key, 20, filtering hole A, 21, filtering hole B, 22, baffle, 23, pressing block, 24, blocking cylinder, 25, pressing ring, 26, top block, 27, ball, 28 and filtering hole C.

Detailed Description