1749results about "Paper recycling" patented technology

The present invention discloses a tensile and wear-resistant washed kraft paper and its preparation process, which relates to the technical field of kraft paper. The process includes the following steps: Step 1: Add color paste, waterborne acrylic resin, preservative, reinforcing agent, softening agent, curing agent, and waterproofing agent into a solvent in sequence and stir evenly to obtain a sizing slurry; Step 2: Coat the sizing slurry on the base paper, and successively perform extrusion, ultraviolet light irradiation, first drying, ironing, and second drying to obtain the tensile and wear-resistant washed kraft paper. In this application, by preparing specific reinforcing agent and waterproofing agent and introducing them into the sizing slurry for sizing, the interfacial action between the sizing slurry and the base paper is effectively improved, thereby improving the tensile and wear resistance of the washed kraft paper while enhancing the flame retardant performance; it can achieve the purpose of replacing plastic, leather, and cloth with paper.

The invention discloses base paper for aluminum spraying and a preparation method thereof, and relates to the technical field of base paper. The preparation method comprises the following steps: pulping softwood pulp, then adding deionized water to dilute the softwood pulp until the mass concentration is 0.8%-1%, then adding modified gel particles, modified bentonite and a PAE wet strength agent, adjusting the pH value to 6.5-7.5, stirring for 40-60 minutes, and then adding deionized water to dilute the softwood pulp until the mass concentration is 0.5%-0.7% to obtain mixed paper pulp; and then making the mixed paper pulp into paper sheets, squeezing, drying, coating the surface layer coating on the surface of base material paper, and drying with hot air to obtain the body paper for aluminum spraying. According to the invention, the modified gel particles and the modified bentonite are added, so that the mildew-proof and moisture-proof capabilities of the base paper for aluminum spraying are effectively improved; the introduction of the surface coating further improves the mildew-proof and moisture-proof capabilities. Therefore, the method has a wider application prospect.

The invention belongs to the technical field of production of insulating products, and discloses a production method of an insulating paperboard, which comprises the following steps: grinding pulp through a DD720 double-disc refiner, respectively adding a modified additive PDMS (Polydimethylsiloxane) emulsion and a phenyl silicone emulsion into the pulp, mixing with a cross-linking agent, adding a cross-linking agent, and uniformly stirring to obtain the insulating paperboard. Or adding a modified additive PDMS emulsion and a phenyl silicone emulsion into the slurry at the same time, and then mixing with a cross-linking agent; mechanically stirring the mixed pulp by a propeller, standing, and carrying out drifting purification, papermaking by a paper machine, multi-section hot pressing and cutting and shaping to obtain a finished paperboard. According to the insulating paperboard prepared by the production method, the electrical strength index value of an existing product in air can be improved by 30%-50%, so that the influence of aging damage to an insulating material caused by high-voltage, high-temperature and complex electromagnetic environments in the operation process of a transformer is reduced, the service life of the transformer is prolonged, and the safe operation performance of the transformer is improved.

The invention discloses a production process of high-folding-resistance corrugated base paper, and particularly relates to the technical field of corrugated paper production. The process comprises the following steps: mixing and hydraulically pulping different types of waste paper raw materials to obtain original waste paper pulp with the concentration of 2.5-2.8%; original waste paper pulp enters a classifying screen after being subjected to high-concentration sand removal, coarse screening and low-concentration sand removal, and fibers in the waste paper pulp are screened into long fibers and short fibers; mixing the long fiber pulp and the short fiber pulp in proportion, and carrying out papermaking and surface sizing treatment; wherein the papermaking comprises the steps of forming a net part, squeezing and dehydrating, and drying in a pre-drying part to obtain initial corrugating base paper with the dryness of 90-92%, then carrying out surface sizing treatment on the initial corrugating base paper by using a boiled glue solution, drying at 60-100 DEG C until the dryness is 85-92%, and curling and slitting to obtain the high-folding-resistance corrugating base paper. Stable production of the high-folding-resistance corrugated base paper is achieved through raw material diversification, fiber refining treatment, papermaking process flexible regulation and control and glue solution accurate preparation.

The utility model relates to the technical field of paper pulp stirring, in particular to a paper pulp stirring device for paper box production, which comprises a plurality of L-shaped plates, a stirring bin is jointly and fixedly connected among the L-shaped plates, a stirring component is arranged in the stirring bin, and the paper pulp stirring device further comprises a lifting component and a defoaming component. The paper pulp stirring device achieves the paper pulp stirring effect, during stirring, the first stirring body and the second stirring body rotate to stir paper pulp, meanwhile, the lifting assembly drives the stirring assembly to move, and the first stirring rod and the second stirring rod are inclined and arranged in a staggered mode, so that the pulp homogenizing effect of the paper pulp is improved, and the pulp homogenizing efficiency is improved. The arranged air extracting pump can enable negative pressure to be formed in the stirring bin to be matched with the rotating net-shaped body, bubbles and foams generated during paper pulp stirring can be removed, and the problems that an existing paper pulp stirring device is single, stirring in one direction is only carried out under the general condition, the phenomenon that part of paper pulp is thick and part of the paper pulp is not stirred evenly is possibly caused, and the stirring effect is poor are solved. And the subsequent paper box production quality is influenced.

The invention relates to a waste collecting and smashing device for paper products, and belongs to the technical field of paper product recycling, the waste collecting and smashing device comprises a box body, a feeding pipeline is fixed to the top of the box body, a smashing box is fixedly communicated with the bottom of the feeding pipeline and located in the box body, and a receding mechanism is arranged on the outer surface of the smashing box; a plurality of stabilizing rods are fixed to the outer surface of the crushing box, a pushing assembly is arranged on the inner top wall of the box body, a wet crushing mechanism is arranged on the inner bottom wall of the box body, and a dry crushing assembly is arranged on the inner side wall of the crushing box; the right wall in the smashing box is provided with a flow dividing assembly which sequentially penetrates through the right side wall of the smashing box and the right side wall of the box body and can effectively divide smashed paper pulp. According to the waste collecting and smashing device for the paper products, paper product waste is coarsely smashed through the dry smashing assembly, iron products such as staples attached to waste paper are sucked through magnets, paper pulp is divided through the flow dividing assembly, and the utilization effect of the paper pulp can be improved.

The utility model provides pulping equipment. The pulping equipment comprises a circulating tank, a dispersing structure, a stirring paddle and a heat dissipation structure. An accommodating cavity for accommodating slurry is formed in the circulating tank. The dispersing structure is located in the containing cavity and arranged at the bottom of the circulating tank, and the dispersing structure is used for dispersing the slurry and enabling the slurry to circularly flow in the circulating tank. The stirring paddle is contained in the containing cavity and comprises a rotating shaft and wall scraping blades, the rotating shaft extends in the axial direction of the circulating tank, and the wall scraping blades are connected to the rotating shaft and used for scraping off slurry adhering to the inner wall of the circulating tank. The heat dissipation structure is at least partially contained in the containing cavity and used for cooling the slurry. Therefore, slurry adhered to the inner wall of the circulating tank is scraped off through the wall scraping blades, the dirt thermal resistance effect is greatly reduced, the slurry close to the center of the circulating tank is subjected to heat dissipation through the heat dissipation structure, the slurry is subjected to heat dissipation through the heat dissipation structure and the circulating tank together, and therefore the heat dissipation efficiency of the slurry is improved.

The utility model provides a pulp stirring device for tissue production, and relates to the technical field of tissue production, the pulp stirring device comprises a stirring box, a through groove is formed in the top of the stirring box, a partition plate is fixedly installed in the stirring box, a feeding assembly is arranged in the stirring box, and the feeding assembly comprises a connecting block, a connecting groove, a limiting block, a fixing block, a baffle and a spring; the stirring assembly is arranged at the top of the partition plate and comprises a rotating shaft a, a stirring rod a, a rotating shaft b, a stirring rod b, a rotating shaft and a threaded stirring cutter. According to the pulp stirring device for paper towel production, the stirring assembly is far away from the through groove, waste caused by raw material splashing in the feeding process can be avoided, meanwhile, dust and other impurities flying into the stirring device are reduced, the comfort degree of paper towel use is improved, by arranging the stirring assembly, when raw materials are stirred into pulp, the raw materials start to be stirred from bulk raw materials, and the stirring efficiency is improved. The pulping time is shortened, and the quality requirement of paper pulp can be quickly met.

The invention relates to the technical field of papermaking wastewater treatment, in particular to a waste pulp residue treatment device for raw paper production, which comprises waste pulp treatment equipment for raw paper production, the waste pulp treatment equipment comprises a treatment tank, and the top side of the treatment tank is provided with automatic adding equipment matched with a stirring assembly for use. And driving equipment matched with the automatic adding equipment for use is mounted on the side wall of the treatment tank. According to the waste pulp residue treatment device for raw paper production, the stroke of driving equipment is prolonged, the displacement of the sliding frame is increased, so that the sliding base is pushed to act, the lifting table is actively triggered to ascend and descend through the connecting rod, the dosing action and the stirring strength are dynamically bound, automatic dosing is achieved when the stirring requirement is high, and invalid dosing is avoided; in addition, the lifting platform drives the stirring rod to rotate and axially reciprocate, waste slurry fiber agglomerates are effectively scattered, precipitation prevention is achieved, meanwhile, longitudinal eddy current can be formed through axial reciprocating of the stirring rod, agent diffusion is enhanced, the mixing efficiency is improved, the reaction period is shortened, and energy loss is reduced.

The utility model provides a waste paper archive smashing and destroying device, which belongs to the technical field of paper smashing and comprises a box body, a feeding device is arranged on one side of the box body close to the top end, the feeding device comprises a pressing plate hinged to one side of the inner side wall of the box body through a hinge, and sliding grooves are formed in two sides of the box body and located at the bottom end of the pressing plate. A sliding groove is formed in the pressing plate, a supporting rod is arranged in the sliding groove in a sliding mode, inclined T-shaped plates are arranged at the two ends of the supporting rod, and the bottom ends of the T-shaped plates are connected with the piston ends of telescopic rods. The motor drives the shaft rod and the rolling shaft frame arranged outside the shaft rod in a sleeving mode to rotate synchronously, due to the fact that the rolling shaft frame is made of rubber materials, files inclined at the bottom end of the pressing plate are driven to rotate and conveyed to the surface of the guide plate through rotation of the rolling shaft frame to be guided and conveyed to the position between the two extrusion barrels, automatic feeding is conveniently achieved, and workers do not need to put the files one by one to delay time.

The paper pulp dewatering device comprises a water collecting tank, a filter screen cylinder is rotationally connected to the upper portion of the interior of the water collecting tank through a bearing, a first rotating rod is arranged in the filter screen cylinder, and one end of the first rotating rod penetrates through the filter screen cylinder and is connected with a first motor; an external gear is connected to the outer side of one end, close to the first motor, of the filter screen cylinder, and a second gear is meshed above the external gear; through rotation of the dewatering blades and the filter screen cylinder, the filter screen cylinder and the dewatering blades can be fully cleaned, cleaning dead angles are avoided, the filter screen cylinder and the dewatering blades can be rapidly cleaned, the cleaning effect is improved, the cleaning efficiency is improved, and workers do not need to conduct external auxiliary cleaning; a third motor drives a reciprocating screw rod to rotate, and the reciprocating screw rod rotates to drive a mounting shell and a brush to reciprocate on the outer side of the filter screen cylinder, so that the outer side of the filter screen cylinder can be fully cleaned.

The utility model relates to the technical field of fermentation, and discloses a papermaking pulp deslagging device which comprises a deslagging equipment body, the stirring assembly is arranged at the axial position of the deslagging equipment body, the stirring assembly internally comprises a connecting rod used for stirring and dispersing fan blades, and a servo motor used for driving and a rotating shaft used for transmission are further arranged in the stirring assembly; the slag removal assembly is arranged on the inner wall of the bottom of the slag removal equipment body, and the slag removal assembly internally comprises a separation barrel; and the driving assembly is arranged at the top position of the inner wall of the slag removal equipment body and used for driving the separation barrel to rotate, and the driving assembly internally comprises the separation barrel, a transmission gear and a second fixing ring. According to the utility model, the stirring assembly, the deslagging assembly and the driving assembly are arranged, and the relative rotation speed between the dispersion fan blades and the separation barrel is increased through the reverse rotation of the separation barrel and the dispersion fan blades, so that the dispersion degree of the dispersion fan blades on raw materials is improved, and the problem that residues are wrapped in the raw materials and are difficult to remove is avoided.

The invention discloses automatic auxiliary material attaching equipment, and relates to the technical field of auxiliary material attaching, and the automatic auxiliary material attaching equipment comprises a bottom plate; the auxiliary material feeding unit is used for driving feeding according to a preset track, by arranging the auxiliary material feeding unit, the sticker rolls can be placed, the sticker rolls with different widths and diameters can be clamped, and the situation that the discharging effect of stickers is affected along with consumption of the sticker rolls and loosening of the sticker rolls is prevented; the auxiliary material feeding unit is used for pulling the stickers to move, the sticker scraping mechanism is used for separating the stickers from paper tubes, the first connecting frame is welded to the lower surface of the sticker scraping mechanism, and the sticker scraping mechanism is arranged, so that when the auxiliary material feeding unit pulls the stickers to move, the stickers and roll paper can be separated, and waste paper rolls can be guided; enabling the waste paper roll to flow to the auxiliary material feeding unit; and the material taking unit is used for adsorbing and attaching the stickers, so that the effect of automatically attaching the stickers to the outer surfaces of the parts is achieved.

The invention relates to the related technical field of paper pulp production equipment, in particular to a rapid feeding pipe of paper pulp production equipment, which comprises a feeding pipe, a buffer tank is fixedly connected to one side surface of the feeding pipe, a stirring mechanism is arranged on the upper surface of the buffer tank, and a conveying mechanism is arranged on the inner side surface of the buffer tank. And a cleaning mechanism is arranged on the inner side surface of the buffer box. According to the rapid feeding pipe of the paper pulp production equipment, through the arrangement of the cleaning mechanism, when the rapid feeding pipe is used, the cleaning mechanism can regularly clean the inner wall of the feeding pipe, scrape and flush impurities, keep the pipeline unblocked, reduce the maintenance time and cost caused by blockage, continuously maintain efficient production, do not need to manually clean the feeding pipe, reduce human input and improve the production efficiency. And meanwhile, impurities on the pipe wall can be removed in time through the efficient cleaning effect, damage to equipment caused by impurity accumulation is prevented, and the maintenance cost is saved.

The invention discloses an chemi-mechanical pulp production method capable of improving the filtration property of chemi-mechanical pulp, and relates to the technical field of papermaking, high-concentration grinding freeness is optimized to 640 + / -30ml, pulp fine fibers can be controlled at 22%-33%, the tensile index middle-lower limit and the bulk middle-upper limit, the high-concentration grinding effect is improved, the effect between fibers is facilitated, the effect between the fibers and a grinding sheet is reduced, and the filtration property of the chemi-mechanical pulp is improved. Fiber cutting is reduced, and the content of pulp fine fibers is reduced; the MSD torque is increased to 250 + / -10 KNM, the tearing effect of wood chips is improved, the preimpregnation reaction of the wood chips is facilitated, the original fine content is controlled to 26%-29% from original 22%-33%, the pulp bulk is increased by about 0.1 cm < 3 > / g, and the tensile index is increased by 1.0 N.m / g; the four low-concentration grinders are changed into parallel connection, so that the residence time of pulp in the low-concentration grinders is prolonged, the cutting effect of the pulp ground by the low-concentration grinders on fibers is reduced, light friction between grinding sheets and the fibers is increased, fibrillation of the fibers is facilitated, the bulk and the tensile strength are improved to a certain extent, and under the content of fine fibers, the size of the fibers is reduced. And the bulkiness and the tensile index of the finished pulp are also improved to a certain extent.

The present application relates to pulping technology field, the present application provides a kind of high-strength high-cleanliness chemical pulp's pulping process, with bamboo willow edge scrap as fiber raw material, after 1 stage pre-steaming, chip washing, dehydration, 2 stage pre-steaming;The wood chip material after 2 stage pre-steaming is 1 stage extrusion and is dissolved, 1 stage chemical liquid pre-impregnation, 2 stage extrusion and is dissolved, 2 stage chemical liquid pre-impregnation;1 stage chemical liquid pre-impregnation uses sodium hydroxide solution and does not use hydrogen peroxide, the chemical reagent of 2 stage chemical liquid pre-impregnation process is sodium hydroxide, hydrogen peroxide and sodium silicate;Material after 2 stage chemical liquid pre-impregnation is 1 stage refining, separation, cooling, 1 stage high-concentration bleaching, 1 stage dehydration, 2 stage high-concentration bleaching, 2 stage dehydration;Pulp after 2 stage dehydration is latent, refining etc., and the finished product is prepared.This application process can produce high-strength, high-cleanliness chemical pulp, and the pulp cost is lower, and the pulp quality is better, and it is beneficial to high-end cultural paper etc. application.

The technical purpose of the utility model is to provide the rotary paper processing device which can uniformly distribute paper scraps in the paper shredding container while shredding paper. Comprising a paper shredding cutter set, the paper shredding cutter set is driven by a motor and arranged in a face cover, a shell is arranged below the face cover, a rotating container is arranged in the shell, and a rotating device is arranged below the rotating container. Paper scraps are uniformly stacked in the container, so that the space of the container is utilized to the maximum extent; the method is suitable for office environments.

The utility model discloses a pulping device for corrugated board production, which is characterized in that a placing box is fixedly arranged at the bottom of a pulping cylinder, an auger is rotatably arranged in the middle of the bottom of an inner cavity of the pulping cylinder, and a plurality of first crushing knives for crushing waste paper are uniformly and fixedly arranged on the outer wall of the auger; the utility model relates to the technical field of corrugated board production. According to the pulping device for corrugated board production, through mutual cooperation of L-shaped pipes, an arc-shaped pipe, a first spray nozzle assembly and a second spray nozzle assembly, when waste paper subjected to preliminary crushing falls into a pulping barrel and passes through the four L-shaped pipes, targeted water spraying can be conducted on the passing waste paper, pre-wetting is achieved, the waste paper subjected to pre-wetting continues to fall, and the waste paper is prevented from being damaged. The waste paper falls into the bottom of the inner cavity of the repulping cylinder and then is wetted again by water sprayed by the second nozzle assembly, so that water can be uniformly sprayed to each area of the surface of the waste paper, the waste paper is fully wetted, the softening effect is improved, and the subsequent repulping effect is guaranteed.

The utility model discloses a paper-making wastewater precipitation recovery device for pulp molding, which comprises a barrel body, the outer surface of the barrel body is fixedly connected with three supporting legs, and the end face of the lower end of each supporting leg is fixedly connected with a non-slip mat. Under two-time resultant stirring of a first fan blade in the stirring mechanism, a coagulant and a disinfectant are fully blended into waste water, fibers and suspended solids in the waste water are rapidly and efficiently precipitated, residues left on the inner wall of the barrel body are scraped off through the cleaning mechanism, meanwhile, a second fan blade on the outer side of a connecting plate is driven to rotate, and therefore the coagulant and the disinfectant are fully dissolved into the waste water. The coagulant and the disinfectant are fully fused into the wastewater in the next step, the fiber after precipitation separation is recycled and retreated through the fiber recycling mechanism, maximum utilization of fiber resources is achieved, the production cost is reduced, clear water further treated through the clear water recycling mechanism can be used for all links of paper pulp molding production, and the production efficiency is improved. And cyclic utilization of water resources is realized.

The invention is suitable for the technical field of slurry making and ore separating devices, and provides a mining wet-type screening slurry making and ore separating device which comprises an ore feeding machine, a wet-type screening machine, a slurry making machine and an ore separating machine. The slurrying machine is composed of a slurrying frame, a slurry feeding cylinder, a slurrying cylinder, a slurry discharging cylinder, a connecting cylinder, a rotating mechanism, a screw rod, a control mechanism, a rotating cylinder, an arc-shaped guide vane, a homogenizing paddle, an adjusting mechanism and a control system, the arc-shaped guide vane is an inwards-concave arc-shaped vane, the concave surface of the arc-shaped guide vane faces the slurry feeding direction, and the homogenizing paddle is a rectangular paddle; the adjusting mechanism is matched with the rotating mechanism, the control mechanism and the screw rod to change the inclination angles of the arc-shaped guide vanes and the homogenizing paddles, the arc-shaped guide vanes and the homogenizing paddles realize accurate regulation and control on the ore pulp concentration in a manner of rotating and changing the inclination angles, and when the inclination angles are reduced, the retention time of the ore pulp is prolonged; and when the inclination angle is synchronously increased, the retention time of the ore pulp is shortened, and the mixing concentration of the ore pulp is reduced.

The utility model relates to the technical field of papermaking pulp screening, in particular to a screen frame for papermaking fiber separation, a beating device comprises a rotating rod, the rotating rod is rotationally connected between the inner walls of the two sides of a U-shaped frame, a plurality of beating rods are evenly and fixedly installed on the surface of the outer wall of the rotating rod, a sliding groove is formed in the surface of one side of the U-shaped frame, and the beating rods are arranged in the sliding groove. A sliding groove is formed in the U-shaped frame, a moving plate is slidably connected into the sliding groove, a supporting plate is fixedly installed on the surface of one side of the U-shaped frame, an electric telescopic rod is fixedly installed on the surface of the supporting plate, a connecting plate is fixedly installed on the surface of the moving plate, and a rack is fixedly installed on the surface of the end, away from the moving plate, of the connecting plate; and a gear is fixedly mounted on the surface of the outer wall of the rotating rod. According to the screening device, the problem that in the screening process of an existing screening device, slurry often blocks the interior of screen meshes, and the screening efficiency of the screen meshes becomes low is solved.

The utility model discloses a crushing device for waste paper processing, which comprises a main body, a feeding conveyor is arranged on the main body, a cleaning mechanism is arranged on the feeding conveyor, the cleaning mechanism comprises a supporting plate rotationally matched on the feeding conveyor, a pair of assembling grooves are formed in the supporting plate, a driving shaft is arranged on one side of the supporting plate, and a driving shaft is arranged on the other side of the supporting plate. The driving shaft penetrates through the feeding conveyor and then is fixedly connected with a rotating disc, a positioning plug pin used for positioning the rotating disc is arranged on the rotating disc, one end of the positioning plug pin is inserted into the feeding conveyor, and through the structural design of the supporting plate, the rotating disc, the positioning plug pin and the pair of adsorption assemblies, magnet cleaning work is allowed under the non-stop condition; when a large amount of iron is adsorbed by one magnet, the magnet can be rapidly rotated to the upper portion so that workers can conveniently disassemble and clean the magnet, meanwhile, the other magnet which does not adsorb the iron rotates to the lower portion to continue to work, and due to the alternate use mode, the downtime is greatly shortened, and the continuity and efficiency of the whole waste paper processing process are improved.

The invention discloses a two-stage slag separator tailing diluting and re-screening device, which relates to the technical field of tailing screening, and comprises a box body, a first screening cavity, a diluting cavity and a second screening cavity, a first screening assembly and a second screening assembly are arranged on the box body; the first screening assembly comprises a first connecting seat, a first screening seat, a first synchronous belt structure and a screening mesh belt; heavy impurities in tailings are screened through the arranged diluting assembly and the arranged first screening assembly, light impurities in the tailings are screened through cooperation of a first screening base, a first synchronous belt structure, a screening net belt and a liquid guide pipe, and the impurities are collected through cooperation of a negative pressure suction nozzle, a negative pressure pipe, negative pressure equipment and a collecting tank; according to the screening device, the supporting plate, the filtering base, the filtering piece, the filtering plate, the first air guiding piece, the second air guiding piece and the driving motor are arranged, collected impurities are cleaned, the first screening assembly does not need to be stopped, the screening effect of the first screening assembly is improved, and the using effect of the screening device is improved.

The present invention relates to the technical field of the paper-making industry, and specifically, to a waste paper recycling and treatment device for paper-making. It includes a treatment device body, the treatment device body includes a treatment box, a gathering component is arranged inside the treatment box, the gathering component includes a horizontal plate and a vertical plate, a groove is formed on the outer wall of the vertical plate, and an insertion hole component is slidably connected inside the groove. An adjustment component is installed on the outer wall of the gathering component, and the adjustment component is used to adjust the position of the insertion hole component. A track groove is formed on the inner bottom wall of the treatment box, and an auxiliary component is arranged inside the track groove. When the vertical plate is erected and vertically locked with the horizontal plate, the present invention plays a role of a baffle in the vertical direction. The vertical plate and the horizontal plate form an "L"-shaped plate structure, which prevents the lateral movement of waste paper during the insertion process, and at the same time can effectively surround the waste paper to prevent it from splashing out of the treatment box during the insertion process. This helps to keep the working environment clean and reduce potential safety risks, increasing the applicability and flexibility of the machine.

The invention discloses a modified cellulose-polyethyleneimine grafted copolymer reinforcing agent, a preparation method and a recovery treatment process of degradable corrugated paper, and belongs to the technical field of chemical engineering, the preparation method comprises the following steps: S1, adding sodium periodate into a cellulose suspension, placing in a dark condition for reaction, and after the reaction is completed, filtering to obtain a modified cellulose-polyethyleneimine grafted copolymer reinforcing agent; pouring the cellulose suspension into a coagulating bath for coagulating and forming, finally separating the coagulated and formed cellulose from the coagulating bath, and then drying until the cellulose is completely dried to obtain cellulose containing aldehyde groups; s2, adding an ethyleneimine monomer and distilled water as solvents, continuously adding an initiator, and carrying out prepolymerization reaction to obtain prepolymerized polyethyleneimine; the problems of poor reinforcing agent effect and unstable paper performance in the prior art are solved. The method has the advantages of paper pulp purity improvement, paper mechanical property enhancement, environmental protection and degradability.

The utility model discloses a size mixing device with a cleaning function, belongs to the technical field of paper plastic production, and aims to solve the problems that a stirring piece fixedly arranged in the size mixing device easily causes low size mixing efficiency, and thick size is attached to the inner wall of the size mixing device and is not easy to clean. The top of the outer surface of the size mixing pool is fixedly connected with four fixed plates which are distributed circumferentially, and the top surfaces of the four fixed plates are fixedly connected with the same cross plate; the first motor drives the stirring blades to rotate, the reciprocating lead screw rotates to enable the moving plate to drive the rotating stirring blades to move in a reciprocating mode, the slurry stirring effect is improved, the servo motor drives the scraping plate to scrape and clean the inner wall of the slurry mixing pool, the scraped slurry is scoured in cooperation with sprayed cleaning liquid, and the slurry mixing effect is improved. The problems that a stirring piece fixedly arranged in the size mixing device easily causes low size mixing efficiency, and thick size is attached to the inner wall of the size mixing device and is not easy to clean are effectively solved.

The application discloses a kind of perishable garbage vertical pulper, it is related to garbage processing field, including vertical pulper main body, top of vertical pulper main body is opened feed inlet, top cover is installed on feed inlet, driving motor is equipped below vertical pulper main body, motor shaft of driving motor is inserted into vertical pulper main body inner cavity, for connecting driving rotating knife arranged at the bottom of vertical pulper main body inner cavity, guide vane is fixed on the inner wall of vertical pulper main body, and perishable garbage can be layered;Discharge outlet for discharging slurry is opened on the inner wall of vertical pulper main body, and slag discharge port is opened at the bottom of vertical pulper main body inner cavity for heavy slag discharge.The application is arranged in pulper inner cavity bottom with rotating knife, vortex is generated in perishable garbage when rotating, according to the principle of hydraulic vortex, the bag of perishable garbage is broken, organic matter is pulped, impurities are separated, the broken particle is finer, the efficiency is higher, the problem that existing pulper is easy to block and rotating knife service life is short is solved.

The utility model discloses integrated intelligent pulping equipment which comprises a steel frame, a control room is arranged on one side of the steel frame, a water storage part is arranged on the other side of the steel frame, a plurality of pulping machines are installed on the upper portion of the middle of the steel frame, and a pulp storage machine is installed on the lower portion of the middle of the steel frame. A plurality of weighing sensors are arranged among the slurry storage machine, the plurality of slurrying machines and the steel frame; the water inlets of the plurality of pulping machines are respectively connected with the water storage part; ash inlets of the plurality of pulping machines are respectively connected with an on-site ash supply mechanism, and discharge ports of the plurality of pulping machines are connected with a feed port of the pulp storage machine; a first stirring mechanism is arranged in each pulping machine, and a second stirring mechanism is arranged in the pulp storage machine; a control module is arranged in the control chamber and connected with the weighing sensor, the ash supply mechanism, the first stirring mechanism and the second stirring mechanism. According to the utility model, all corollary equipment is integrated into a whole, so that the site construction time is saved, and the pulping efficiency is improved.

The present invention relates to a barrier paper or barrier film for a food or liquid packaging laminate, said barrier paper or barrier film comprising: a substrate layer comprising a highly refined cellulose composition comprising fibers obtained from used beverage cartons (UBC), and a polymeric gas barrier coating disposed on at least one side of the substrate layer.

The invention discloses a production process of a recycled waste paper papermaking board, and belongs to the field of recycled paper products. The recycled waste paper papermaking board comprises the following components: 80-95 parts of waste paper pulp, 3-10 parts of reinforced fibers, 1-5 parts of a reinforcing agent, 0.5-3 parts of a waterproof agent, 2-6 parts of an adhesive, 3-8 parts of a filler and 0.1-2 parts of an antibacterial agent. The production process comprises the following steps: waste paper is crushed and subjected to high-temperature soda boiling for impurity removal, and waste paper pulp is prepared; adding reinforced fibers, uniformly stirring, and performing fiber pulping treatment; adding the reinforcing agent, the waterproof agent, the adhesive and the filler, and continuously stirring for 10-20 minutes to uniformly disperse; a wet forming process is adopted, and the slurry is evenly spread and then pressed and formed; and after drying, an antibacterial agent is applied to the surface to improve durability. By optimizing the proportion of the waste paper pulp, the reinforcing agent and the waterproof agent, the strength, the water resistance and the durability of the papermaking plate are improved, and the papermaking plate is suitable for the fields of packaging, building templates and environment-friendly plates and has good recycling value and environment-friendly benefits.