CN212077468U - Spiral rotor for hydrapulper - Google Patents

Abstract

The utility model discloses a screw rotor for hydrapulper, screw rotor are connected with transmission, screw rotor mainly comprises the dabber and sets up at the epaxial helical blade of spindle, and the dabber includes the conic section dabber of lower part and the straight section dabber on upper portion, and the upper end minor diameter end of conic section dabber is fixed with the coaxial butt joint of straight section dabber, and helical blade encircles and arranges at the spindle, and it forms big end down's conic section blade portion in conic section dabber department, and it forms straight section blade portion in straight section dabber department. The utility model discloses the during operation, helical blade's rotatory raw materials that drives the joining mixed biological preparation form strong circulation torrent, make to produce the friction between the raw materials, soft discongest and do not destroy plant fiber, and its energy saving and consumption reduction is effectual simultaneously, and production efficiency is high.

Description

Spiral rotor for hydrapulper

Technical Field

The utility model belongs to the technical field of papermaking equipment, especially, relate to a helical rotor for hydrapulper.

Background

Traditional high-concentration hydraulic pulpingThe method is mainly used for separating high-concentration waste paper from printing ink in the deinking process, and the concentration of the treated pulp can reach 10 percent_~15 percent. The device mainly comprises a groove body, a rotor, a transmission mechanism and the like. When the device works, materials to be disintegrated entering the cylinder can be subjected to mild beating in a high-concentration state under the continuous impact, collision, friction and decomposition of the rotating spiral rotor, so that liquid medicine is effectively mixed, and meanwhile, ink particles are fully separated from the surface of the fibers under the friction action among the fibers. And discharging the defibered slurry with higher whiteness from a slurry outlet, and entering the next working procedure.

The utility model discloses a high enriched hydraulic pulper as notice number CN210066324U, including the staving, the top of staving is equipped with the feed inlet, and the bottom of staving is equipped with the inlet tube and goes out the thick liquid pipe, is equipped with agitating unit in the staving, still including filtering the piece, filter and be equipped with diluting device between the staving, go out the thick liquid pipe and keep away from the one end of staving and communicate in diluting device, filter and be equipped with the feed end and arrange miscellaneous end on the piece, install the connecting pipe on the diluting device, filter the piece below and be equipped with the collecting box, filter and be equipped with on the piece. After the stirring device untwins the waste paper in the barrel, paper pulp and impurity will be discharged to the diluting device, and the paper pulp after being diluted will be discharged to and filter on the piece, and paper pulp will drop and collect in the collection box, and the transport will carry impurity to in the collection box. The utility model discloses thereby need not to shut down clearance impurity and improved the mediation efficiency of waste paper.

Utility model provides a high enriched hydrapulper, mainly by cylinder cell body 1, transmission 3, support 4 constitution as notice No. CN201447627U, install double-end spiral auger 2 in the middle of cell body 1, transmission 3 of double-end spiral auger 2 is located the below of cell body 1. The inner wall of the lower part of the tank body 1 is provided with a plurality of guide plates 11. The upper part of the double-end spiral auger 2 is provided with equidistant spiral blades 7, the bottom wing 8 of the double-end spiral auger is welded on the auger cone 9, the included angle between the conical surface of the auger cone 9 and the bottom surface of the auger cone is a plane included angle 12 which is 45-60 degrees, the included angle between the bottom wing 8 of the auger and the auger cone 9 is a bottom wing inclination angle 10 which is 45-60 degrees. Through the setting, the utility model discloses 2 reasonable in design of double-end spiral auger, the thick liquids circulation does not have the dead angle, and the pulping concentration reaches 16 ~ 18%, and becomes thick liquid of high quality.

The invention as the publication number CN1924186A discloses a continuous high-concentration hydraulic pulper, which is characterized in that a novel practical point is that a paper pulp screening device is arranged below an inner cavity of a groove body and a pulper rotor, the inner cavity of the groove body is divided into a paper pulp cavity and a good pulp cavity by the paper pulp screening device, the good pulp cavity is communicated with a pulp outlet, the paper pulp screening device comprises a plurality of fixed propeller-shaped blades which are uniformly distributed in the circumferential direction by taking a rotor axis as a central line, and the rotating direction of the propeller-shaped blades is the same as that of the propeller-shaped blades of the pulper rotor; the utility model discloses do not influence the untwining motion of scraps of paper in the pulper to can pass through thick liquid and heavy impurity and discharge in succession through a thick liquid mouth, overcome the defect that no sieve hydrapulper frequently stops out the thick liquid, also overcome the difficult problem that has sieve hydrapulper to need to shut down clear miscellaneous, the energy consumption is lower, has improved production efficiency greatly.

The invention as publication No. CN1657692A discloses a medium and high concentration hydraulic pulper, which comprises a pulper groove body, wherein the bottom of the groove body is vertically provided with a pulper rotor provided with a spiral blade, the driving end of the pulper rotor is fixedly connected with a driving device positioned below the groove body, and the bottom of the groove body corresponding to the driving end of the pulper rotor is provided with an upward boss-shaped bulge; the structure enables the blades of the rotor of the pulper to leave the bottom of the pulper trough body, so that friction between the rotor and the trough body is thoroughly avoided, the paths of movement of the waste paper in the whole vortex circulation and the local vortex circulation formed in the pulper trough body are increased, the number of collision is increased, the waste paper is broken and dissociated into single fibers, fibers cannot be cut off, the integrity of various non-fibrous impurities is kept, the power consumption is reduced, and the quality of paper pulp is improved.

There are also partial structural improvements in the prior art for high consistency hydropulper.

The utility model discloses a high enriched hydrapulper rotor of non-uniform pitch like notice No. CN2215502Y, its characterized in that rotor blade rotating pitch is unequal, and pitch diminishes gradually from top to bottom, and thick liquids mixed flow striking during the operation makes to produce extrusion and friction between the thick liquids fibre and divides the fibrillation with higher speed to shorten the making beating time, improve production efficiency, the economize on electricity can reach more than 20%.

The utility model discloses a strong hydraulic pulper rotor of well, including center pin (1), fixed helical blade (2) on center pin (1), bottom blade dish (3) and the arc of connecting bottom blade dish (3) and helical blade (2) that link to each other bottom center pin (1) get rid of pulp board (4) its characterized in that the outward flange distribution of helical blade (2) has tearing tooth (5). The utility model has the advantages of simple structure, the processing of being convenient for, work efficiency is high.

The utility model with the bulletin number CN208250811U discloses a high-consistency pulper rotor with flanges, which belongs to a rotor and structurally comprises a rotor cone, spiral blades, three impeller blades and a connecting flange, wherein the bottom of the rotor cone is provided with the connecting flange, the spiral blades are respectively arranged on the rotor cone, the connecting flange is connected with each spiral blade through an inclined blade, the connecting flange and the bottom are provided with three impeller blades which are circumferentially and uniformly distributed, the impeller blades are also positioned below the blades and are connected with the bottom surface of the blades outside the connecting flange, each spiral blade respectively comprises an upper spiral blade and a lower spiral blade, the upper spiral blade is arranged on the upper part of the lower spiral blade, the upper spiral blade is connected with the lower spiral blade end to end, the screw pitch of the lower spiral blade is larger than that of the upper spiral blade, the width of the lower spiral blade is gradually widened from top to bottom, the periphery of the spiral sheet is provided with a flange. The utility model provides a pulping inefficiency, the big problem of consumption.

However, the high-concentration hydrapulper comprising the technical scheme has the advantages of unchanged spiral, unreasonable connection and low production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a helical rotor for hydrapulper.

The utility model adopts the following technical scheme:

the utility model provides a spiral rotor for hydrapulper, spiral rotor is connected with transmission, spiral rotor mainly comprises dabber and the helical blade who sets up at the spindle, and the dabber includes the conic section dabber of lower part and the straight section dabber on upper portion, and the upper end minor diameter end of conic section dabber is fixed with the coaxial butt joint of straight section dabber, and helical blade encircles and arranges at the spindle, and it forms big end down's conic section blade portion in conic section dabber department, and it forms straight section blade portion in straight section dabber department.

The helical blade is a multi-thread helical blade.

The helical blade is a double-line helical blade or a three-line helical blade.

The helical blades are arranged in a constant pitch or a variable pitch.

The axial length of the straight section mandrel is greater than that of the conical section mandrel.

The axial length of the straight section mandrel is smaller than that of the conical section mandrel.

The bottom of the mandrel is provided with a rotor chassis, and the rotor chassis is provided with water throwing blades which are diffused outwards.

The rotor chassis comprises a chassis body and a boss coaxially fixed on the bottom plate body, the boss is coaxially butted and fixed with the large-diameter end of the lower end of the conical section mandrel, the water throwing blades are fixedly connected around the boss, the upper ends of the water throwing blades are butted and fixed with the lower end of the conical section blade part, and the lower ends of the water throwing blades are butted and fixed with the chassis body; the bottom wing panel is fixedly connected around the circumferential direction of the chassis body.

The lower ends of the spiral blades extend to the upper side face of the rotor chassis and are diffused outwards to form water throwing blades; the rotor base plate is installed on the rotor seat, and the rotor seat is connected with transmission, encircles rotor seat circumference fixedly connected with bottom fin, and rotor seat downside is equipped with the bed knife.

The dabber is the hollow shaft structure, and the upper end of dabber is sealed with the closure plate.

The utility model has the advantages that:

the utility model discloses a screw rotor forms big end down's conic section blade portion in conic section dabber department, and it forms straight section blade portion in straight section dabber department, is equipped with on the rotor chassis simultaneously and gets rid of water blade and bottom fin. When the device works, the rotor rotates, the bottom fins and the water throwing blades continuously stir raw materials, the rotation of the spiral blades drives the raw materials added with the mixed biological agent to form strong circulating turbulence, so that friction is generated between the raw materials, the raw materials are softly loosened without damaging plant fibers, and meanwhile, the device has good energy-saving and consumption-reducing effects and high production efficiency.

Drawings

FIG. 1 is a schematic overall view of a new high consistency hydropulper according to an embodiment of the present invention;

FIG. 2 is a schematic view of a tank of a new high consistency hydrapulper according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the barrel sidewall of FIG. 2;

FIG. 4 is a schematic view of a guide vane in a trough according to an embodiment of the present invention;

fig. 5 is a schematic view of an upper cover of a tank body according to a first embodiment of the present invention;

fig. 6 is a schematic view of a rotor according to a first embodiment of the present invention;

FIG. 7 is a schematic view of a helical blade of a rotor according to a first embodiment of the present invention;

fig. 8 is a schematic view of a circular arc segment screen plate according to an embodiment of the present invention;

FIG. 9 is a schematic view of a driving pin according to an embodiment of the present invention;

FIG. 10 is a schematic view of a seminal plasma chamber according to an embodiment of the present invention;

fig. 11 is a schematic view of an assembled working platform according to a first embodiment of the present invention;

fig. 12 is a schematic view of a ring-shaped inner deck according to an embodiment of the present invention;

fig. 13 is a schematic view of a middle ring-shaped outer deck according to an embodiment of the present invention;

fig. 14 is a schematic view of a suspended combination type shield according to an embodiment of the present invention;

fig. 15 is a schematic view of a flange-type supporting mechanism according to a first embodiment of the present invention;

FIG. 16 is a schematic view of the belt tightening screw of the first embodiment of the present invention;

fig. 17 is a schematic view of a rotor according to a second embodiment of the present invention;

fig. 18 is a schematic view of a helical blade according to a second embodiment of the present invention;

fig. 19 is a schematic view of a rotor base according to a second embodiment of the present invention;

fig. 20 is a bottom view of fig. 19.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1 to 16, the novel high-concentration hydrapulper of the embodiment includes a tank body 1 and a rotor 2 arranged in the tank body, the rotor 2 is connected with a transmission device 3, a sieve plate 4 is arranged below the rotor 2 and matched with the rotor, a fine pulp chamber 5 is formed below the sieve plate 4, and the fine pulp chamber 5 is provided with a pulp outlet.

The tank body 1 is a heating and heat-preserving tank body and mainly comprises a tank body 11 and a lower conical tank body 12 coaxially connected with the lower end of the tank body 11; the side wall of the cylinder body 11 is of a multilayer structure and is sequentially divided into a disintegration layer 111, a heating layer 112 and a heat preservation layer 113 from inside to outside, the disintegration layer 111 is used as the inner wall of the cylinder body to be contacted with the slurry, a heating cavity is formed between the disintegration layer 111 and the heating layer 112, and a heat preservation cavity is formed between the heating layer 112 and the heat preservation layer 113. The upper end and the lower end of the side wall of the cylinder body 11 are provided with sealing plates 14 for sealing, and the sealing plates 14 simultaneously seal the heating cavity and the heat preservation cavity.

The heating cavity is internally provided with guide vanes 114 which are spirally arranged to form a heating spiral flow passage, the heating cavity is also provided with a heating medium inlet and a heating medium outlet, and the heating medium can be hot water or steam to realize uniform heating. In this embodiment, the heating medium inlet is disposed at the upper end of the heating chamber, the heating medium inlet is connected to a heating medium inlet pipe 115, the heating medium outlet is disposed at the lower end of the heating chamber, and the heating medium outlet is connected to a heating medium outlet pipe 116.

The heat preservation intracavity is filled with insulation material 117, realizes the heat preservation effect.

A mounting hole is formed at the small-diameter end of the bottom of the lower cone cylinder 12, and the sieve plate 3 is positioned at the mounting hole; the inner wall of the lower cone cylinder 12 is circumferentially provided with a guide plate 15 for radial diffusion around the sieve plate 3, and an inclined included angle is formed between the guide plate 15 and the radial direction of the lower cone cylinder 12. The included angle of inclination is 10-30 deg., preferably 20 deg.. Due to the arrangement of the guide plate 15, the pulping effect is good.

The upper end of the cylinder body 11 is detachably and hermetically connected with an upper cover 13, a feeding pipe 131, a vacuum pipe 132 and an additive pipe 133 are arranged at the upper cover 13, a feeding hopper 134 is arranged at the feeding pipe 131 in a matching manner, and an electric gate valve 135 is further arranged on the feeding pipe 131 to control feeding. The vacuum tube 132 can properly vacuumize the groove body, and ensure that the upper cover is closely attached to the cylinder body.

The contact material of the tank body 1 and the pulp is wear-resistant stainless steel, and is suitable for throwing raw materials such as wheat straw, reed, cotton stalk, corn stalk and the like.

Through the design of the tank body 1, the working temperature in the tank body is ensured, and the disintegrating effect is ensured.

The rotor 2 is a spiral rotor, and it mainly comprises dabber 21, helical blade 22 and the rotor chassis 23 of setting in the dabber 21 bottom of setting on dabber 21, and dabber 21 includes conical section dabber 212 and the straight section dabber 211 on lower part, and the upper end minor diameter end of conical section dabber 211 is fixed with the coaxial butt joint of straight section dabber 212, and the axial length of straight section dabber 212 is greater than the axial length of conical section dabber 211.

In this embodiment, the mandrel 21 is a hollow shaft structure, the upper end of the mandrel is sealed by a blocking plate 24, and a lifting lug 25 is fixedly arranged on the blocking plate 24.

The helical blades 22 are double helical blades that are circumferentially arranged on the mandrel 21 (at a constant or variable pitch arrangement) forming a small top and a large bottom tapered blade section 222 at the tapered mandrel and a straight blade section 221 at the straight mandrel.

The rotor chassis 23 comprises a chassis body 231 and a boss 232 coaxially fixed on the bottom plate body 231, the boss 232 is coaxially butted and fixed with the large-diameter end of the lower end of the conical section mandrel, water throwing blades 233 which are diffused outwards are fixedly connected around the boss 232, the upper ends of the water throwing blades 233 are butted and fixed with the lower end of the conical section blade part, and the lower ends of the water throwing blades 233 are butted and fixed with the chassis body 231; a bottom flap 234 is fixedly connected around the circumference of the chassis body 231, the bottom flap 234 is in clearance fit with the sieve plate, and a blade 235 is fixed on the pulp facing side of the bottom flap 234.

When the device works, the rotor 2 rotates, the bottom wing pieces 234 continuously clean the sieve plate, the water throwing blades 233 continuously stir raw materials, the rotation of the helical blades on the rotor 2 drives the raw materials added with the mixed biological agent to form strong circulating turbulence, so that friction is generated between the raw materials, the raw materials are softly loosened without damaging plant fibers, and meanwhile, the device has good energy-saving and consumption-reducing effects and high production efficiency.

The rotor of the embodiment is suitable for a small high-concentration hydrapulper.

The refining chamber 5 comprises an inner supporting ring 51 and an outer supporting ring 52 which are coaxially arranged, the upper ends of the inner supporting ring 51 and the outer supporting ring 52 are respectively provided with an outer mounting flange 55 and an inner mounting flange 56, an annular sieve plate mounting area is formed between the outer mounting flange 55 and the inner mounting flange 56, the lower ends of the inner supporting ring 51 and the outer supporting ring 52 are connected with a bottom plate 53, and a pulp outlet is connected with a pulp outlet pipe 54 which is obliquely arranged. The bottom plate 53 is also provided with a flushing water pipe 57 communicated with the fine pulp chamber 5, and water is discharged through the flushing water pipe 57 for flushing and diluting, thereby being beneficial to discharging pulp.

The outer mounting flange 55 is provided with two circles of mounting holes arranged in concentric circles, the outer mounting hole 551 is used for connecting the trough body, and the inner mounting hole 552 is used for connecting the sieve plate. The drive shaft 31 of the transmission passes through the middle of the inner support ring 51.

The sieve plate 4 comprises N circular arc section sieve plates 41 (6 in the embodiment) which are evenly distributed in an annular sieve plate mounting area, and is convenient to process, thermally process and mount. The arc section sieve plate 41 is provided with sieve pores, and the size of the sieve pores can be freely selected by customers within the application range.

The arc section sieve plate 41 is provided with radially diffused knife strips 42, the knife strips 42 are distributed around the circle center of the sieve plate 4, and the corresponding arc section sieve plate 41 is arranged in the knife strips 42, so that the winding and blocking of impurities are avoided.

In this embodiment, a plurality of support rods 58 are radially disposed between the inner support ring 51 and the outer support ring 52, and the support rods 58 are used for supporting the arc segment screen plate 41.

In the embodiment, the material of the fine pulp chamber is made of wear-resistant stainless steel material or lining stainless steel material, so that the strength and hardness are improved, and the service life is prolonged.

The transmission device 3 comprises a driving shaft 31 which penetrates through the middle of the inner support ring 51, and the driving shaft 31 extends downwards to the lower part of the trough body 1; a bearing chamber 32 is arranged outside the driving shaft 31 below the tank body in a matching way, and a driven belt wheel 33 is arranged at the position of the driving shaft 31 extending out of the bearing chamber 32; the upper end of the driving shaft 31 is provided with a rotor seat 34, and the rotor base plate 23 is arranged on the rotor seat 34.

In this embodiment, the bottom plate 53 of the fine pulp chamber is connected to the outer bearing chamber 37 of the driving shaft 31 by a support plate, so that the bearing chamber 37 and the fine pulp chamber 5 are organically combined together, the processing is convenient, the vibration is prevented, the manufacturing is convenient, and the productivity is improved.

In this embodiment, the rotor base plate 23 and the rotor base 34 are fixed by bolts, and a driving pin 35 is disposed between the rotor base plate 23 and the rotor base 34 for positioning; the transmission pin 35 is of a stepped shaft structure with a large upper part and a small lower part, the rotor chassis 23 is provided with a stepped transmission pin hole 36 corresponding to the transmission pin 35, the rotor seat 34 is provided with a matched positioning hole corresponding to the transmission pin hole 36, the diameter of the positioning hole is the same as that of the small-diameter hole section of the transmission pin hole 36, the transmission pin 35 is installed in the transmission pin hole 36, and the small-diameter shaft section of the transmission pin 35 is inserted into the corresponding positioning hole, so that the positioning is accurate, the replacement is convenient, large power can be transmitted, large torque can be borne, and the transmission device has the characteristics of reliable and stable connection, small occupied space, high replacement speed, wide application range and the.

The transmission device 3 further comprises a motor 6 arranged on one side of the tank body 1, the motor 6 is vertically arranged and supported by a support frame 61, a motor shaft of the motor 6 is connected with a driving belt wheel, and the driving belt wheel is connected with the driven belt wheel 33 through a transmission belt.

In this embodiment, the support frame 61 of the motor 6 is installed on the motor installation base 7, the motor installation base 7 is provided with the guide rail 71, the support frame 61 of the motor 6 is in sliding fit with the guide rail 71, a belt tensioning screw 72 is arranged between the support frame 61 of the motor 6 and the guide rail 71, the end portion of the guide rail 71 is provided with a fixed seat 73, the belt tensioning screw 72 penetrates through the fixed seat 73 and is connected with the support frame 61 of the motor 6, and the belt tensioning screw 72 is provided with locking nuts 74 on two sides of the fixed seat 73. In this embodiment, the belt tensioning screw 72 is adjusted to change the position between the motor 6 and the tank 1, so as to adjust the tightness of the transmission belt.

In this embodiment, the lower part of the tank body 1 is provided with the supporting leg 16, the supporting leg 16 is installed on the tank body installation foundation 20, the flange type supporting mechanism 8 is arranged between the bearing chamber 37 and the supporting leg 16, which are arranged outside the driving shaft 31, the flange type supporting mechanism 8 comprises a supporting rod 81 with adjustable length, one end of the supporting rod 81 is connected with the bearing chamber 37, and the other end of the supporting rod 81 is connected with the supporting leg.

In this embodiment, the supporting rod 81 includes a first supporting rod section 811 and a second supporting rod section 812 coaxially disposed, a flange 810 is fixedly disposed at a butt joint portion of the first supporting rod section 811 and the second supporting rod section 812, the two flanges 810 are connected by an adjusting bolt 813, and a certain gap is reserved between the two flanges 810.

When the flange type supporting mechanism 8 works, a connecting plate 814 is fixed at one end of the supporting rod 81 connected with the bearing chamber, the connecting plate 814 is connected with a fixing plate 321 fixedly arranged on the bearing chamber 32 by penetrating through a fixing bolt 815, one end of the supporting rod 81 connected with the supporting leg is welded with the supporting leg, then the length of the adjusting bolt is adjusted, and the bearing chamber is tensioned (or supported), so that the transmission is stable.

In this embodiment, two flange type supporting mechanisms 8 are provided, and the two flange type supporting mechanisms 8 are arranged at a certain included angle and are respectively connected to different supporting legs.

Still the cooperation is equipped with assembled work platform 9 outside the cell body 1, and assembled work platform 9 walks platform 91 in locating the cell body 1 top and rather than surrounding the annular of fixing, walks the platform 92 outside the fixedly connected with annular in the annular, walks platform 92 bottom outside the annular and is connected with the pole setting and supports on ground, walks to be equipped with guardrail 93 around the platform 92 outside the annular, and walks to step 92 outside the annular and be connected with the ladder 94 that walks to lead ground.

In this embodiment, the inner ring of the annular inner walking board 91 is welded to the tank body 1, and the outer ring of the annular inner walking board 91 is bolted to the annular outer walking board 92. The lower side of the annular inner walking board 91 is provided with a square pipe 911 and a rib plate 912, which play a role in reinforcement and facilitate the welding of the annular inner walking board 91 and the tank body 1. The lower side of the annular outer walking platform 92 is also provided with a square pipe 921 and a rib plate 922, which play a role in reinforcement.

The butt joint parts of the annular inner walking platform 91 and the annular outer walking platform 92 are provided with flanges, so that the flanges can be conveniently connected through bolts after butt joint.

The assembled working platform 9 is used for working, observing and maintaining, is convenient to disassemble and assemble, has good safety, can be manufactured separately and can be installed on site.

In this embodiment, the driving pulley, the driven pulley 33 and the transmission belt are covered with the suspension type combined shield 10, the suspension type combined shield 10 is detachably and fixedly connected with the left half cover 101 and the right half cover 101, and the combined suspension type combined shield 10 is tightly connected with the angle steel 17 at the supporting leg 16 of the tank body 1, so that the suspension type combined shield 10 is suspended at the supporting leg 16 of the tank body 1.

The design of the suspended combined type shield 10 not only saves the installation space and is convenient to disassemble, but also realizes better protection effect.

The novel high-concentration hydrapulper is used for disintegrating raw materials such as wheat straws, reeds, cotton stalks, corn stalks and the like, the final product is used for papermaking plant fibers, and the concentration of the pulped pulp can reach 10 percent_~15 percent. When the device works, 80-90-degree hot water is added into the heating and heat-preserving tank body 1, and a proper amount of biological agents and raw materials are added according to the process requirements and are preserved for a period of time. The motor 6 inputs power to drive the rotor 2 to rotate, the raw materials to be disintegrated enter the groove body, and the rotating rotor 2 drives the raw materials added with the mixed biological agent to form strong circulating turbulence under certain temperature, biological agent and process conditions, so that friction is generated between the raw materials, and the raw materials are softly defibered without damaging plant fibers. The defibered slurry enters a fine slurry chamber through a sieve plate, is discharged from a slurry outlet pipe and enters the next procedure.

And functional nozzles such as a heating medium inlet pipe 115, a heating medium outlet pipe 116, a feeding hopper 134, a vacuum pipe 132, an additive pipe 133, a slurry outlet pipe 54, a flushing water pipe 57 and the like are remotely controlled by using a DCS system.

Example two:

as shown in fig. 17 to 20, the screw rotor of the present embodiment is different from the first embodiment in that: the helical blade 22 is a three-wire helical blade and the axial length of the straight section mandrel 211 is less than the axial length of the tapered section mandrel 222.

In this embodiment, the lower ends of the three-wire helical blades extend to the upper side of the rotor base plate 23 and are diffused outward to form the water-throwing blades 233. The rotor base plate 23 is fixedly mounted on a rotor seat 27, and the rotor seat 27 is connected with the transmission 3. A bottom flap 234 is fixedly connected circumferentially around the rotor seat 27, and a blade 235 is fixed to the pulp facing side of the bottom flap 234. The bottom knife 26 is further fixed on the lower side of the rotor seat, and the bottom knife 26 is matched with the upper knife strip 42 of the sieve plate, so that the impurities can be prevented from being wound and blocked.

In this embodiment, the connection between the rotor base and the rotor seat is as follows: the rotor base plate 23 and the rotor seat 27 are fixed through bolts, and a transmission pin 35 is arranged between the rotor base plate 23 and the rotor seat 27 for positioning; the transmission pin 35 is of a stepped shaft structure with a large upper part and a small lower part, a stepped transmission pin hole 36 is formed in the rotor seat 27 and corresponds to the transmission pin 35, a matched positioning hole 37 is formed in the rotor chassis 23 and corresponds to the transmission pin hole 36, the diameter of the positioning hole 37 is the same as that of a large-diameter hole section of the transmission pin hole 36, the transmission pin 35 is installed in the transmission pin hole 36, and the large-diameter shaft section of the transmission pin 35 is inserted into the corresponding positioning hole 37.

The rotor of the embodiment is suitable for large-scale high-concentration hydrapulpers.

The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.

In the description of the present invention, it should be understood that the terms "front", "back", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the description refers must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

Claims (10)

1. A screw rotor for a hydropulper, the screw rotor being connected to a transmission, characterized in that: the spiral rotor mainly comprises a mandrel and spiral blades arranged on the mandrel, the mandrel comprises a lower conical section mandrel and an upper straight section mandrel, the small diameter end of the upper end of the conical section mandrel is coaxially butted and fixed with the straight section mandrel, the spiral blades are arranged on the mandrel in a surrounding mode, a small upper conical section blade part and a large lower conical section blade part are formed at the conical section mandrel, and a straight section blade part is formed at the straight section mandrel.

2. A screw rotor for a hydropulper according to claim 1, characterized in that: the helical blade is a multi-thread helical blade.

3. A screw rotor for a hydropulper according to claim 1, characterized in that: the helical blade is a double-line helical blade or a three-line helical blade.

4. A screw rotor for a hydropulper according to claim 2, characterized in that: the helical blades are arranged in a constant pitch or a variable pitch.

5. A screw rotor for a hydropulper according to claim 4, characterized in that: the axial length of the straight section mandrel is greater than that of the conical section mandrel.

6. A screw rotor for a hydropulper according to claim 4, characterized in that: the axial length of the straight section mandrel is smaller than that of the conical section mandrel.

7. A screw rotor for a hydropulper according to claim 1, characterized in that: the dabber is the hollow shaft structure, and the upper end of dabber is sealed with the closure plate.

8. A screw rotor for a hydropulper according to any one of claims 1-7, characterized in that: the bottom of the mandrel is provided with a rotor chassis, and the rotor chassis is provided with water throwing blades which are diffused outwards.

9. A screw rotor for a hydropulper according to claim 8, characterized in that: the rotor chassis comprises a chassis body and a boss coaxially fixed on the bottom plate body, the boss is coaxially butted and fixed with the large-diameter end of the lower end of the conical section mandrel, the water throwing blades are fixedly connected around the boss, the upper ends of the water throwing blades are butted and fixed with the lower end of the conical section blade part, and the lower ends of the water throwing blades are butted and fixed with the chassis body; the bottom wing panel is fixedly connected around the circumferential direction of the chassis body.

10. A screw rotor for a hydropulper according to claim 8, characterized in that: the lower ends of the spiral blades extend to the upper side face of the rotor chassis and are diffused outwards to form water throwing blades; the rotor base plate is installed on the rotor seat, and the rotor seat is connected with transmission, encircles rotor seat circumference fixedly connected with bottom fin, and rotor seat downside is equipped with the bed knife.

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