132results about "Pulp beating methods" patented technology

The utility model discloses a paper pulp preparation device which comprises a dissolving tank, a constant volume tank, a white water tank and a mixing and dissolving tank, the dissolving tank, the constant volume tank and the mixing and dissolving tank are respectively provided with a liquid outlet, the liquid outlet of the dissolving tank is communicated with the interior of the constant volume tank, a first valve is arranged at the communication position, the liquid outlet of the constant volume tank is communicated with the interior of the mixing and dissolving tank, and a second valve is arranged at the communication position. The white water tank is provided with a water outlet, the water outlet of the white water tank is communicated with the dissolving tank and the constant volume tank, a third valve is arranged at the communication position, a liquid outlet of the mixing and dissolving tank is communicated with the paper machine, a fourth valve is arranged at the communication position, and the dissolving tank is used for adding papermaking filler and white water for pre-dissolving to prepare a filler solution; the constant volume tank is used for adding a filler solution and white water to make the volume of the filler solution constant to a preset concentration, and the mixing and dissolving tank is used for adding papermaking fibers and the constant-volume filler solution and uniformly mixing to prepare paper pulp, so that the papermaking filler, the papermaking fibers and the white water can be conveniently and continuously uniformly mixed to obtain the paper pulp.

The invention discloses a preparation method of high-color-fastness woven body paper and the high-color-fastness woven body paper, and relates to the technical field of papermaking, and the preparation method of the high-color-fastness woven body paper comprises the steps of preparing a composite dyeing assistant and preparing the woven body paper. The preparation method comprises the following steps: stirring and mixing cationic microcrystalline cellulose, sodium carboxymethyl cellulose, triethanolamine myriceate, glucan hydroxypropyl trimethyl ammonium chloride, a water-based polycarbodiimide cross-linking agent and deionized water to obtain a composite dyeing assistant, then adding the composite dyeing assistant into slurry, adding a water-based dye, and carrying out a papermaking process to obtain the composite dyeing assistant. According to the method, the color fastness of the woven body paper can be improved. The sun-proof grade of the high-color-fastness woven body paper is greater than or equal to 4 grades.

The present application belongs to the technical field of pulping and papermaking, and provides a method for preparing a cotton-stalk biochemomechanical pulp. The present application provides a method for preparing a cotton-stalk biochemomechanical pulp, the method comprising the following steps: cutting cleaned and dried cotton stalks, and then sequentially performing pre-steaming and a screw extrusion fiberization treatment; immersing the defibrated cotton stalks into a buffer solution of cellulase to perform an enzymatic treatment for a set period of time, and then immersing same into a hot alkali solution; sequentially subjecting the cotton stalks, which have been subjected to a hot alkali impregnation treatment, to high-consistency pulp refining and a latency removal treatment, and then subjecting the resulting coarse pulp to a second-stage enzymatic treatment by using a compound enzyme of xylanase and pectinase; and subjecting the pulp, which has been subjected to the second-stage enzymatic treatment, to pulp screening and PFI beating, so as to obtain a cotton-stalk biochemomechanical pulp.

The invention discloses a preparation method of coated gift packaging paper. The preparation method comprises the following operation steps: S1, pulping: respectively pulping bleached sulfate softwood chemical pulp, bleached sulfate broadleaf wood chemical pulp and alkaline hydrogen peroxide bleached poplar chemimechanical pulp, and mixing to form mixed pulp; s2, auxiliary material adding, wet paper sheet forming and pre-drying; s3, coating and sizing are conducted, specifically, the front face and the back face of the paper sheet are coated with a coating respectively, and the coating comprises coating-grade light calcium carbonate, coating-grade talcum powder, a dispersing agent, sodium hydroxide, modified acrylic copolymer emulsion, polyvinyl acetate latex, coating starch, sodium carboxyl cellulose, a lubricating agent and a defoaming agent; s4, carrying out post-drying and carrying out super-soft calendering treatment by adopting eight rollers and seven pressing areas; the invention also provides the coated gift packaging paper prepared by adopting the preparation method, the smoothness of the coated gift packaging paper is greater than 1200s, the roughness of the coated gift packaging paper is less than 1.2 microns, and the coated gift packaging paper completely meets the requirements of the coated gift packaging paper for absorbing and drying gravure or flexographic printing water-based ink.

The application discloses a non-asbestos yarn and a manufacturing method and application thereof. The non-asbestos yarn is spun by using a papermaking method with mineral fibers and cotton pulp and / or waste paper pulp, the mineral fibers are any one or several of sepiolite, brucite and wollastonite, the amount of the mineral fibers is 70-100%, and the amount of the cotton pulp and / or waste paper pulp is 0-30%. The application further provides a manufacturing method of the non-asbestos yarn, the mineral fibers, the cotton pulp and the waste paper pulp are prepared through pulp preparation, papermaking, cutting, twisting and plying. The non-asbestos yarn is used for manufacturing friction materials and sealing materials. The non-asbestos yarn can replace the asbestos yarn, solves the harm caused by traditional asbestos, has simple manufacturing process, convenient operation, avoids environmental pollution, low cost, and is equivalent to the asbestos yarn in ignition loss and tensile strength at room temperature, and can completely replace the asbestos yarn and be used for manufacturing friction materials and sealing materials.

The application provides a preparation method of lyocell fibrillated fiber, and specifically comprises the following steps: S1, adding lyocell cut fibers into water to control the concentration to be 2-4%, and dispersing the lyocell cut fibers by using a pulper; S2, filtering water from the dispersed pulp by using a filter press to obtain 10-30% high-concentration pulp, and conveying the high-concentration pulp to a group of high-concentration pulping machines by using a screw feeder to perform pulping, so as to obtain pulp 1 with a beating degree of 40-50°SR; S3, diluting the pulp 1 to a concentration of 1-3% by adding water, and performing beating and defibration by using a high-frequency defibrator, and repeatedly performing beating and defibration by using the high-speed hydraulic shearing effect of the high-frequency defibrator, so as to obtain lyocell fibrillated fiber with a beating degree of 75-95°SR. The lyocell fibrillated fiber can obtain a larger length and a lower fine fiber component by fully utilizing the friction force between fibers and the hydraulic shearing effect, a large number of fibrils can be obtained, and the lyocell fiber can be fully fibrillated.

The utility model belongs to the technical field of papermaking, and particularly relates to efficient pulping equipment for papermaking. The pulping device comprises a pulping tank, one side of the top of the pulping tank is fixedly communicated with a feeding pipe, and the center of the bottom of the pulping tank is fixedly communicated with a discharging pipe; the defoaming assembly comprises a motor fixedly connected to the center of the top of the pulping tank, a shaft rod coaxially and fixedly connected with the tail end of a motor rotor and rotationally connected to the interior of the pulping tank, a sleeve movably connected to the shaft rod in a sleeving mode, a tension spring arranged on the shaft rod and used for jacking up the sleeve downwards, and a connecting frame fixedly connected to the sleeve; the rolling ball is arranged at the end of the connecting frame, the guide rail is fixedly connected to an inner cavity of the pulping tank and used for installing the rolling ball, and the spine assembly is fixedly connected to the bottom of the connecting frame. A plurality of protrusions are arranged on the bottom face of the inner side of the guide rail and used for repeatedly jacking up the rolling ball. The device disclosed by the utility model adopts a structure capable of eliminating bubbles generated in the paper pulp stirring process, so that the papermaking quality is improved.

The application discloses a paper with high coffee residue content and a preparation method and application thereof. The paper can be paper or paperboard, and contains pulp fibers and coffee residue. The beating degree of the pulp fibers is 45-95SR, and the water retention value is 1.4-2.2. The particle size of the coffee residue is 30-500 mesh. The mass percentage of the coffee residue in the paper or paperboard is 40%-90%. The paper can be prepared through the steps of fiber pulp, coffee residue grinding, mixing and molding. The paper can be used for preparing a coffee bag, and the paperboard can be used for preparing a cup sleeve of a coffee cup.

The invention relates to the technical field of papermaking, in particular to book paper capable of quickly absorbing ink and a preparation method of the book paper. By changing the air permeability of the paper, ink permeation is accelerated in a physical mode, so that the quick-drying effect of the paper is achieved. According to the technology, the rapid absorption and drying of ink on the paper surface are realized by adopting an innovative slurry ratio and a production process, so that the writing fluency and the reusability of the paper are remarkably improved, the smoothness of the paper is improved, and the writing experience of a user is greatly improved through the high-end paper fineness. In addition, the novel paper also gives consideration to environmental protection and durability so as to meet the requirements of the modern society on sustainable development.

The application relates to the technical field of paper for fuel cells, and particularly discloses carbon fiber raw paper for fuel cells and a preparation method thereof, which comprises the following components: 100 parts (70-95 parts of short-cut carbon fibers and 5-30 parts of water-soluble fibers) of fibers, 40-50 parts of dispersant A, 50-100 parts of dispersant B and 0.5-1 part of defoaming agent; after the short-cut carbon fibers and the water-soluble fibers are defibrated, the dispersant A is added for mixing and high-speed stirring to complete foam dispersion, water is added for dilution to first-concentration carbon fiber slurry; the defoaming agent is added for first-time stirring to obtain carbon fiber dispersion slurry; the remaining dispersant A and the dispersant B are added for second-time stirring, water is added for dilution to second-concentration carbon fiber slurry; the second-concentration carbon fiber slurry is used for papermaking to obtain the carbon fiber raw paper for fuel cells. The carbon fibers are prone to occur in the dispersion process, the phenomenon of silk and flocculation is solved, the paper uniformity is good, the tensile strength is high, the carbon fiber raw paper for fuel cells is used for fuel cells, and the important index requirements of porosity and resistance and the like are met.

The utility model discloses a multi-parameter real-time monitoring device of an intelligent centralized pulping station, which comprises a bottom plate, a feeding component mounted at the top end of a supporting plate, a cylinder mounted at the top end of the bottom plate, a stirring component mounted at the top end of the cylinder, an inner shell fixedly connected to the inside of the cylinder, a testing component mounted on the inner shell, and a monitoring component mounted on the testing component. The utility model relates to the technical field of pulping stations. According to the multi-parameter real-time monitoring device of the intelligent centralized pulping station, by starting the liquid pump and controlling opening and closing of the switch valve, liquid in the material storage barrel is detected by the flow meter and then enters the barrel body through the feeding pipe and the discharging pipe, after adjustment and mixing are completed, the liquid inlet valve is opened, and then the liquid in the material storage barrel is fed into the barrel body. Through the arrangement of the filter plate, pulp in the inner shell reaches the fixed cylinder through the liquid inlet pipe and is filtered by the filter plate, water is discharged through the filter plate, fibers are intercepted on the filter plate, the pulping degree is calculated according to the amount of water filtered in a certain time or the characteristics of a fiber layer after water filtering, and the pulping effect can be effectively improved.

The application belongs to the technical field of paper product manufacturing, and discloses a food-grade antibacterial and mildew-proof paper pulp, a paper product and a preparation method of the paper product. The paper product is prepared by papermaking and drying of the paper pulp. The food-grade antibacterial and mildew-proof paper pulp comprises the following components in parts by weight: 100 parts of pulp for household paper, 0.1-0.3 parts of sodium alginate, 0.5-1 parts of a retention aid, 4-10 parts of a slow-release antibacterial and mildew-proof agent, and 0.8-1.5 parts of a wet strength agent. The slow-release antibacterial and mildew-proof agent is prepared by coating MOF-ELA-THY with chitosan. The MOF in the MOF-ELA-THY is prepared from zinc ions and two ligands of citric acid and malic acid. The chitosan is first subjected to antibacterial and degradation treatment, and then gradually exposes the MOF-ELA-THY. The MOF is hydrolyzed to release zinc ions and ELA and THY, thereby endowing the paper towel with long-acting antibacterial performance. In addition, the THY emits a fragrance, thereby judging the persistence of the antibacterial performance of the paper towel.

The invention relates to the technical field of pulping and papermaking, in particular to traditional Lanpavilion cocoon paper and a preparation method thereof. The preparation method of the traditional Lanting cocoon paper comprises the following steps: pretreating and selecting raw materials; carrying out two-stage chemical cooking; washing and fiber decomposition; pulping and preparing pulp; and performing papermaking and drying to obtain the traditional Lanpavilion cocoon paper. The traditional Lanting cocoon paper (mulberry paper) prepared by adopting the technical scheme is excellent in fiber purity, ageing resistance, mechanical strength and the like, the whiteness is greater than or equal to 60%, the ageing-resistant whiteness is reduced by less than or equal to 0.5%, the tearability is greater than or equal to 1560 mN, and the dust degree is less than or equal to 50 pieces / m < 2 >; the style and appearance of traditional famous paper are restored, and a feasible process path is provided for modern production of high-quality handmade paper.

The invention provides a manufacturing method of a high-performance corrugated board, which comprises the following steps of: crushing a waste paper raw material into coarse pulp, performing wet classification on the coarse pulp by adopting screening equipment, and separating out long fiber pulp with the average fiber length of more than or equal to 50mm and short fiber pulp with the average fiber length of less than 50mm; carrying out light pulping treatment on the separated long fiber pulp; adding a reinforcing adhesive into the pretreated long fiber slurry while stirring to prepare core layer slurry; adding a functional auxiliary agent into the obtained short fiber slurry to prepare surface layer slurry; conveying the prepared core layer slurry to a corrugated forming machine, and coating a layer of adhesive glue on the surface of a corrugated peak of a formed corrugated core layer; the paper surface layers are attached to the upper surface and the lower surface of the treated corrugated core layer respectively, a wet paperboard blank is formed, and a multi-section variable-line-pressure squeezing technology is adopted for dewatering and shaping; and the wet paperboard blank is dried. The technical problems that a traditional corrugated board is low in strength and consumables are wasted are solved.

The utility model discloses a beater for paper pulp production, which relates to the technical field of papermaking equipment and comprises a barrel, a rotating shaft rotatably arranged in the barrel, a plurality of movable stirring rods fixedly arranged on the side wall of the rotating shaft, a feed inlet arranged on the upper wall of the barrel, and a crushing disc fixedly arranged on the rotating shaft in the barrel. Paper pulp raw materials fed through the feeding port can fall on the crushing disc, a plurality of movable crushing rods are fixedly arranged on the upper surface of the crushing disc, a plurality of fixed crushing rods staggered with the movable crushing rods are fixedly arranged on the inner side of the upper wall of the barrel, a gap is reserved between the crushing disc and the side wall of the barrel, and a pulp discharging pipe is connected to the bottom of the barrel. Paper pulp raw materials can be crushed through the movable crushing rods on the crushing disc and the fixed crushing rods in the cylinder body, pre-crushing of the paper pulp raw materials is achieved, the situation that the paper pulp raw materials can be crushed through long-time stirring is avoided, and the crushed paper pulp raw materials can enter a stirring area in a more dispersed mode through rotation of the crushing disc.

The invention provides water-resistant bobbin base paper and a process thereof, and the bobbin base paper comprises the following components in parts by weight: 80-120 parts of a natural wood fiber raw material, 3-9 parts of chitosan, 4-12 parts of a waterproof emulsion, 3-9 parts of a treating agent, 2-6 parts of a defoaming agent, 1-3 parts of a sterilizing agent and 2-4 parts of a cross-linking agent, the natural wood fiber raw material is one or a mixture of more of commercial paper pulp, waste paper and straw agricultural wastes; the commercial paper pulp is one or more mixed pulp of bleached softwood pulp, bleached hardwood pulp, dissolving pulp or unbleached paper pulp, the preparation process is simple, the prepared bobbin body paper has the advantages of high strength, water resistance and easiness in printing, meanwhile, the bobbin body paper also has excellent waterproof performance, and the service life of a bobbin paper product is prolonged.

The utility model relates to a Dutch type beater, which belongs to the technical field of beater and comprises a frame, a driving motor is fixed in the middle of the upper surface of the frame, an output shaft of the driving motor penetrates through the inner top wall of the frame, extends into an inner cavity of the frame and is fixedly provided with a cutter head, and a fixed cutter is arranged in the inner cavity of the frame and positioned on the left side of the cutter head. And a screen is arranged at the discharge hole of the rack. According to the Dutch type beater, through the design of the spirally-arranged cutter teeth, the beating effect is effectively improved, the blocking phenomenon is reduced, textile pulp can more evenly flow to the cutter head due to the additional arrangement of the flow guide plate, the stability and the treatment efficiency of the equipment are further improved, the service life of the cutter head is prolonged due to the application of the wear-resistant material and the wear-resistant coating, and the service life of the cutter head is prolonged. The maintenance cost is reduced, the screen can be used for filtering large-particle impurities in the pulped textile pulp, the stability of the quality of the textile pulp is ensured, and the screen can be conveniently cleaned and replaced through the dismounting and mounting mechanism.

The invention discloses transformer cellulose insulation paper with strong hydrophobicity and high thermal conductivity and a preparation method thereof. The preparation method comprises the following steps: preparing cellulose insulation paper pulp; the preparation method comprises the following steps: carrying out surface modification on nano boron nitride (BN) particles by using a silane coupling agent, and blending with cellulose paper pulp to prepare mixed pulp; the preparation method comprises the following steps: mixing polytetrafluoroethylene (PTFE) nano particles and polydimethylsiloxane (PDMS) particles according to a specific proportion to prepare a hydrophobic coating solution; and uniformly coating the coating solution on the surface of the modified cellulose insulation paper through an impregnation method, and finally drying, curing and forming. Through nano particle modification and surface hydrophobic coating treatment, the heat-conducting property and hydrophobic property of the cellulose insulation paper are remarkably improved, the risks of moisture invasion and heat accumulation are effectively reduced, aging degradation is slowed down, the service life of a transformer oil paper insulation system is prolonged, and the service life of the transformer oil paper insulation system is prolonged. And the operation stability and safety of the transformer in high-voltage, high-temperature and humid environments and the like are enhanced.

The utility model provides a pulping and stirring mechanism for paper pulp tableware, and relates to the technical field of stirring mechanisms. A supporting frame is welded to the outer side of the stirring barrel, a cover plate is buckled to the top of the stirring barrel, a rotating shaft is rotationally arranged on the cover plate, a base of a concave structure is fixed to the top end face of the cover plate, a motor is fixed to the top end face of the base, and an output shaft of the motor is fixed to the rotating shaft through a coupler; impellers are fixed to the rotating shaft in a linear array mode, and the directions of blades of every two adjacent impellers are opposite. Gas-assisted mixing: an auxiliary assembly innovatively sprays gas into the stirring barrel through gas holes aligned on a gas spraying pipe and a pipe body, so that gas-assisted mixing is realized, and the material mixing uniformity is further improved; intermittent aeration mixing: a first gear on an output shaft of the motor is meshed with a second gear on the gas ejector pipe, and when the motor runs, the gas ejector pipe can be driven to rotate synchronously, so that intermittent gas injection is realized, aeration mixing is achieved, and the mixing efficiency and quality are improved.

The utility model relates to the technical field of paper cup production equipment, in particular to a feeding structure of disposable paper cup forming equipment, which comprises a feeding box and a conveyor, a feeding port is arranged at the top end of the feeding box, a guide hopper is inserted in the feeding port, a mounting frame is arranged on the inner side wall of the feeding box, a stirring component is mounted on the mounting frame, and the feeding box is arranged on the conveyor. A discharging opening is formed in the side, close to the conveyor, of the feeding box; a conveyor belt is installed on the conveyor, a limiting frame is installed on the conveyor and located over the conveyor belt, and a lower pressing roller is arranged on the limiting frame. Paper pulp is poured into a guide hopper and flows into a feeding box through the guide hopper, then a servo motor is started, an output shaft of the servo motor drives a stirring assembly to rotate, the stirring assembly comprises two stirring rods, concave-convex blocks are evenly arranged on the stirring rods, and the concave-convex blocks fully stir the paper pulp in the stirring process; impurities and particles in the paper pulp are effectively crushed and dispersed, so that the purity of the paper pulp is improved.

The invention discloses environment-friendly melamine decorative paper and a preparation method thereof, and belongs to the technical field of impregnated paper. The method comprises the following steps: pulping composite plant fibers, adding aminated nanocellulose, modified zeolite powder, polyamide epichlorohydrin resin and polyacrylamide, and carrying out papermaking to obtain functional base paper; the preparation method comprises the following steps: reacting a formaldehyde solution with melamine, and adding castor oil-based polyol, a formaldehyde catching agent and a cross-linking accelerant to prepare modified melamine formaldehyde resin; functional base paper is soaked in the resin, and a finished product is obtained through drying and hot pressing. The formaldehyde emission of the obtained decorative paper is as low as 0.004 mg / L, the tensile strength is remarkably improved, the decorative paper has high strength and good toughness and is excellent in wear resistance and water resistance, and the process is compatible with an existing production line, environmentally friendly and suitable for industrial production.

The utility model provides a beater for manufacturing book and periodical paper, and relates to the technical field of beater devices, the beater comprises a support frame, the outer wall of the support frame is provided with a vibration assembly, the vibration assembly comprises a bevel gear, the outer wall of the bevel gear is fixedly provided with a circular shaft, the outer wall of the circular shaft is fixedly provided with a convex block, and the convex block is fixedly connected with the support frame. A fixing plate is rotationally connected to the outer wall of the circular shaft, an ejector rod is arranged at the top of the protruding block, a shell is fixedly installed at the top of the ejector rod, and a filtering plate is fixedly installed on the inner wall of the shell. According to the pulping device, the double-end motor is arranged in the pulping assembly, the output end of the double-end motor is connected with the stirring rod, the connecting plate and the crushing rods are installed on the outer wall of the stirring rod, and the two groups of crushing rods are symmetrically arranged with the stirring rod as the axis and make contact with the inner wall of the pulping tank, so that paper pulp can be fully stirred and crushed in the pulping tank through the structure; the accumulation of materials in the pulping tank is effectively avoided, the pulping efficiency is greatly improved, and the quality uniformity of pulp is ensured.

The utility model discloses two-side offset paper beating equipment which comprises a beating equipment main body, the stirring assembly is arranged in the pulping equipment main body; the cleaning assembly is arranged at one end of the pulping equipment main body and inside the pulping equipment main body; the cleaning assembly comprises a connecting rod, a mounting plate, a sponge layer and a flushing mechanism, the connecting rod is fixedly mounted on the outer surface of the stirring assembly, the mounting plate is fixedly mounted at the end, away from the stirring assembly, of the connecting rod, the sponge layer is detachably mounted on the face, away from the connecting rod, of the mounting plate, and the outer surface of the sponge layer is in friction connection with the inner wall of the pulping equipment body. The flushing mechanism is arranged at one end of the pulping equipment main body. According to the scheme, the pulping equipment body, the stirring assembly, the cleaning assembly and the starting motor are arranged, the interior of the pulping equipment body is rapidly cleaned after each time of pulping is finished, residual paper pulp is removed, the paper pulp is prevented from being mixed into the paper pulp processed next time, the purity of the paper pulp is improved, and the product quality is improved.

The utility model discloses a novel ceramic fiber paper line calendaring and thickness-fixing device which comprises a beating pool, a pulp pipe, a pulp flowing box and a pulp distributor, and further comprises a calendaring and thickness-fixing roller which is arranged on a wet paper blank and used for fixing the thickness of the wet paper blank, and the pulp pipe, the pulp flowing box and the pulp distributor are sequentially arranged on the side portion of the beating pool and face the direction of screen cloth and the wet paper blank. Mirror alloy steel which is evenly distributed on the wet paper blank is arranged on the surface of the calendaring thickness fixing roller. Compared with the prior art, the press-polishing thickness-fixing roller has the advantages that rubber on the surface of a traditional press roller is improved into mirror alloy steel, the press-polishing thickness-fixing roller is formed, the smoothness of the surface of paper and uniformity of banner quality can be improved while thickness fixing is achieved, the smoothness and glossiness of the paper can be remarkably improved, the paper is more attractive, and the press-polishing thickness-fixing roller is suitable for popularization and application. The thickness and uniformity of the paper can be adjusted, and the use performance of the paper is improved.

The invention relates to the technical field of cigarette filter materials, in particular to a preparation method of high-permeability and high-strength filter stick forming paper. The method comprises the following steps: mixing and defibering special bleached jute pulp and broadleaf wood bleached pulp according to a dry weight ratio to form mixed pulp; performing low-beating-degree treatment on the mixed pulp, and controlling the beating degree; sequentially adding cationic polyacrylamide, a sodium alginate solution and a nano-fibrillated cellulose suspension into the slurry to serve as reinforcing agents; papermaking and dehydrating the pulp to form a wet paper web; and finally, carrying out gradient drying and surface sizing on the wet paper web, wherein a sizing agent is an oxidized starch solution. Through fiber ratio optimization, enzyme pretreatment, low beating degree control, ternary enhancement system cooperation and gradient drying processes, the binding force between fibers is remarkably enhanced while high porosity is reserved, the prepared filter stick forming paper has high air permeability and high longitudinal tensile strength, and is applied to a high-speed cigarette making machine, and the hardness and water resistance of a filter stick are improved.

The utility model provides stirring and pulping equipment for toilet paper production, which comprises a stirring barrel, the outer surface of the stirring barrel is fixedly communicated with a feed hopper, the upper surface of the stirring barrel is provided with a gear box, the upper surface of the stirring barrel is provided with two limiting grooves, the outer surface of the gear box is provided with two limiting blocks, and the limiting blocks are located in the limiting grooves. Two limiting assemblies are installed on the upper surface of the stirring barrel, and a stirring and pulping assembly is installed on the outer surface of the gearbox. Toilet paper pulp in the stirring barrel can be stirred and beaten through the stirring and beating assembly, limiting of the gear box can be conveniently relieved through the arranged limiting assembly, then the stirring and beating assembly can be detached, the gear box and the stirring and beating assembly can be conveniently lifted and taken out in cooperation with use of a lifting ring, and the stirring and beating efficiency is improved. And therefore, the interiors of the stirring and pulping assembly and the stirring barrel can be conveniently cleaned, bacteria breeding in the equipment is avoided, and the using effect of the equipment can be guaranteed.

The invention discloses a recyclable high-barrier material, which is specifically made of a composite material taking plant fiber as a main raw material, and comprises a paper base layer and a coating layer, and the coating layer is composed of a substrate layer, an oxygen-barrier functional layer and a moisture-barrier functional layer. The invention also discloses a preparation method of the recyclable high-barrier material. The barrier material prepared by the method has high oxygen and moisture barrier performance and good recycling performance. Water-based coating is carried out on a paper-based material prepared by taking natural plant fibers as main raw materials to replace traditional paper-plastic compounding or paper-plastic-aluminum compounding to obtain high oxygen-barrier and moisture-barrier performance, and the paper-based material has outstanding recycling performance, reduces the generation of wastes and has remarkable environmental protection advantage. Besides, the preparation of the coating substrate and the formation of the functional coating are both completed in a water-based system, the preparation process does not involve the use of an organic solvent, the production process is green, VOC is not generated, and the material does not have the problem of vOC residue.

The utility model relates to the technical field of waste currency processing, in particular to a waste currency pulping and deinking device, which places waste currency in a storage mechanism, uses high-pressure water to pulping the waste currency through a pulping mechanism, forms paper pulp, and then uses compressed air to cooperate with a deinking agent to deink the paper pulp through a deinking mechanism, thereby improving the practicability of the equipment, comprising a storage mechanism, further comprising a pulping mechanism and a deinking mechanism, both of which are installed on the storage mechanism, the storage mechanism stores waste currency, the pulping mechanism pulps waste currency, and the deinking mechanism deinks waste currency.

The utility model discloses a paper beating device capable of automatically regulating speed. The paper beating device is characterized by further comprising a PLC (Programmable Logic Controller) and a weighing sensor, wherein the PLC is arranged on one side of a beating barrel and is electrically connected with a variable frequency motor I and a variable frequency motor II; the weighing sensor is arranged at the bottom of a rotating chassis, is used for sensing the weight of pulp in the beating barrel and is also electrically connected with the PLC; through the arrangement of the weighing sensor, the weight of pulp in the pulping barrel can be sensed, when the pulp is too much, the pulp is fed back to the PLC through the weighing sensor, the PLC controls the first variable frequency motor and the second variable frequency motor to rotate in an accelerated mode according to the weight value, fed back by the weighing sensor, of the pulp, and therefore the pulping speed is increased, and when the pulp is little, the second variable frequency motor and the third variable frequency motor rotate in an accelerated mode. And the PLC controls the variable frequency motor I and the variable frequency motor II to reduce the rotating speed, so that the energy consumption is reduced, and the cost is reduced.

A base plate for a pulp processing unit includes a plate having an upper axial surface, a lower axial surface, and a plurality of openings extending through the plate from the upper axial surface to the lower axial surface. Each of the plurality of openings has a shape, a size, and an angle. The shape is a cross-sectional shape, a size equal to a maximum cross-sectional dimension, and the angle is an angle formed between a center line of each of the plurality of openings and an axial line parallel to a center axis of the base plate. The shape, size, orientation of shape, angle, or combination thereof of the plurality of openings varies depending on the position of the openings on the base plate. The invention further discloses a paper pulp processing unit comprising the bottom plate.