3198results about "Paper recycling" patented technology

The invention relates to the technical field of special papermaking and carbon fiber composite material preparation, in particular to high-air-permeability pitch-based carbon fiber base paper and a preparation technology thereof.The preparation method comprises the following steps that 1, pitch-based carbon fibers A are cleaned with diluted hydrochloric acid; dividing and brooming aramid fibers to obtain aramid pulp B; 2, performing wet forming on the pitch-based carbon fibers and the aramid pulp to obtain carbon fiber paper; and step 3, impregnating the pitch-based carbon fiber paper with phenolic resin, drying, and finishing to obtain the pitch-based carbon fiber base paper. The invention provides a novel method for preparing the high-air-permeability carbon fiber base paper through acid cleaning of carbon fibers, fibrillation of aramid fibers, wet forming of mixed pulp, resin impregnation strengthening and hot-pressing finishing, and the method comprises the steps that aramid pulp assists in interweaving, low-concentration resin strengthening is conducted, and the high-air-permeability carbon fiber base paper is obtained; the problem that strength, flexibility, high conductivity and high air permeability are difficult to consider at the same time is solved, and the high-air-permeability carbon fiber base paper and the preparation process thereof are provided.

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 field of waste paper cleaning, and provides a regenerated waste paper recycling raw material cleaning device which comprises a cleaning water tank and a tank cover, the tank cover is mounted at the top of the cleaning water tank, and a cleaning mechanism is mounted in the cleaning water tank; the cleaning mechanism comprises a feeding fixing pipe fixedly connected to the inner side wall of the cleaning water tank, a feeding port is formed in the side face of the feeding fixing pipe, one end of the feeding fixing pipe is rotationally connected with a rotating cage through a connecting ring, and one end of the rotating cage is rotationally connected to the cleaning water tank. And the interior of the cleaning water tank is fixedly connected with a material gathering cover. By arranging the hollow pipe, the water spraying holes, the spiral blades and the rotating cage, waste paper can be washed from the inside through the water spraying holes while the waste paper is conveyed, the rotating cage can drive the waste paper to turn over, and when the waste paper falls off, the waste paper can be dispersed under the impact of water flow, so that impurities in the waste paper can be exposed out, the impurities can be conveniently cleaned away, and the waste paper conveying efficiency is improved. And the cleaning effect is improved.

The invention relates to a beating, defoaming and rubbing all-in-one machine. The device comprises a walking support, a walking trolley, a longitudinal guide rail, a walking trolley, a right door-shaped supporting frame fixedly installed on the longitudinal walking trolley, a right lifting frame arranged in the right door-shaped supporting frame in a sliding mode, a slurry beating assembly installed on the right side of the bottom of the right lifting frame, a dovetail groove vibration assembly and a defoaming assembly installed on the left side of the bottom of the right lifting frame. The left door-shaped supporting frame is fixedly installed on the left side of the top face of the walking vehicle, the left lifting frame is arranged in the left door-shaped supporting frame in a sliding mode, and the flattening assembly is installed at the bottom of the left lifting frame. The transverse sliding of the walking trolley and the longitudinal sliding of the right door-shaped supporting frame enable the slurry beating assembly, the defoaming assembly and the rubbing assembly to be accurately positioned, it is ensured that operation is accurate, the lifting sliding of the right lifting frame and the left lifting frame enable all the assemblies to be kept stable in the operation process, and vibration and errors are reduced; and the working space is saved, high-efficiency operation can be carried out in a limited space, and the convenience and flexibility of operation are improved.

In order to achieve the purpose, the multi-stage pulping machine adopts the following technical scheme that the multi-stage pulping machine comprises a rack, an upper cover, a grinding device and a power part are installed on the rack, and a hopper is arranged on the upper cover. According to the multi-stage pulping machine and the cleaning device thereof, soybean milk liquid obtained after third-stage grinding and bean dregs obtained after first-stage grinding are mixed through the second residue-liquid mixing chamber and then fed into the second-stage grinding device, feeding liquid in the third-stage grinding device is purified water, but the bean dregs are bean dregs obtained after three-stage grinding, so that the soybean milk liquid and the bean dregs are mixed uniformly, and the cleaning efficiency is improved. After the soybean milk with the lower concentration is mixed with the bean dregs, grease adhered to the bean dregs after the first-stage grinding is reduced, so that the situation that the second-stage grinding effect of the bean dregs is influenced due to excessive grease adhered to the bean dregs is avoided; meanwhile, the soybean milk subjected to third-stage grinding can be concentrated to obtain soybean milk with higher nutritional ingredients, and the grinding effect is improved.

The invention discloses a crushing mechanism in a papermaking beater, which belongs to the technical field of papermaking equipment and comprises an equipment box, a crushing box is arranged at the top of the equipment box, crushing rollers are arranged on two sides in the crushing box, a grinding box is arranged in the equipment box, a grinding disc is arranged in the grinding box, and a driving motor is arranged at the top of the equipment box. A transmission shaft is arranged at the output shaft end of the driving motor, a filter plate is arranged at the bottom end of the interior of the equipment box, an inclined cutter plate is arranged at the bottom end of the transmission shaft, a first scraper is arranged on one side of the top of a mesh of the filter plate, and a second scraper is arranged below the inclined cutter plate. The raw materials are preliminarily crushed, then the preliminarily crushed raw materials are ground by the grinding disc, and finally, the ground raw materials are sheared through the second scraper at the bottommost layer and the first scraper arranged on one side of the meshes of the filter plate, so that the ground raw materials are sheared into short fibers with the size of the composite meshes, the consistency of the sizes of the raw materials is guaranteed, and the rate of finished products of the fibers is improved.

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 invention provides pulping equipment. The pulping equipment comprises a circulating tank, a sleeve, a dispersing device and a guide cylinder, an accommodating cavity for accommodating slurry is formed in the circulating tank. The sleeve is arranged on the top of the circulating tank and extends into the containing cavity. The dispersing device is installed at the end, close to the bottom wall of the circulating tank, of the sleeve, an inflow port is formed in the side, close to the bottom wall of the circulating tank, of the dispersing device and communicates with the containing cavity, and an outflow port communicating with the inflow port is formed in the side wall of the dispersing device. The guide cylinder is connected with the dispersing device, the inner wall of the guide cylinder and the outer wall of the sleeve form a guide channel, one end, close to the top of the circulating tank, of the guide channel is communicated with the accommodating cavity, and the end, close to the bottom wall of the circulating tank, of the guide channel is communicated with the outlet. Therefore, the slurry is dispersed and circulated in the circulating tank, so that the circulating path of the slurry between the dispersing device and the circulating tank is greatly shortened, the circulating efficiency of the slurry is effectively improved, and the circulating time of the slurry is shortened.

The invention relates to the technical field of transfer devices, and discloses a transformer insulation paper production transfer device which comprises a table, a conveying table is arranged at the top of the table, and a protection plate is fixedly connected to the top of the table. The rotating shaft rotates to drive the compression roller to rotate, so that the insulation paper which just rotates out of the rolling barrel can be leveled, the situation that the insulation paper is wrinkled and unsmooth in the transportation process in the subsequent production process is avoided, deflection or clamping stagnation of the insulation paper caused by unevenness of the insulation paper is emphatically reduced, the subsequent processing precision is improved, and the production efficiency is improved. And meanwhile, the first connecting plate moves upwards to drive the pressing plate to move upwards, so that the surface of the insulation paper can be further flattened, the flatness of the insulation paper in the transfer process can be improved, and the problem that the production efficiency is reduced due to uneven cutting in the follow-up link is solved.

The invention provides a safe and efficient dedusting device for a papermaking machinery rewinding machine, and relates to the technical field of papermaking dedusting, the dedusting device comprises a rewinding machine body, dedusting mechanisms are symmetrically and fixedly mounted at the upper end of the rewinding machine body, each dedusting mechanism comprises a support, sliding grooves are symmetrically formed in the inner sides of the two supports, and a connecting rod is slidably mounted in each sliding groove; the ion wind bar, the shell and the dust collection head are arranged, dust, attached to the surface of paper due to static electricity, of the paper can be removed through the ion wind bar, the dust is in a loose state, meanwhile, through the shell, the dust can be collected through the dust collection head, and the dust can be collected through the dust collection head. The tension roller assembly can rotate to drive the cleaning roller to rotate, so that the cleaning roller cleans dust which is not adhered to paper due to static electricity, the dust on the paper can be basically eliminated, the dust is subsequently and uniformly collected through the dust collection head, the overall dust removal rate of the device is greatly improved, and the dust removal efficiency is improved. The practicability is 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 present invention relates to a method for manufacturing a purified fiber fraction from used beverage carton (UBC), said method comprising the steps: a) subjecting UBC starting material to a polymer and aluminum film separation method to obtain a UBC polymer and aluminum fraction and a raw UBC fiber fraction; b) optionally subjecting the raw UBC fiber fraction to a coarse screening method to remove coarse particles; c) subjecting the raw UBC fiber fraction to a fine screening method to remove cellulose fines and fine particulate contaminants, wherein the fine screening method comprises at least one fine screening step and at least one washing step; d) optionally subjecting the fine screened UBC fiber fraction to a washing method to remove further contaminants; e) optionally subjecting the fine screened UBC fiber fraction to a bleaching method; f) subjecting the fine screened, and optionally bleached, UBC fiber fraction to a dewatering method to a consistency of at least wt %; and g) subjecting the dewatered UBC fiber fraction to deactivation to obtain a purified 20 UBC fiber fraction.

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 utility model discloses a papermaking headbox which comprises a headbox body, a pulp discharge valve is arranged at the lower end of the headbox body, a support plate is fixedly connected to the side wall of the headbox body, the upper end of the headbox body is covered with a top cover, a guide rod is arranged at the upper end of the top cover and penetrates through the support plate, and the support plate is fixedly connected with the headbox body. A homogenizing device is arranged on the bracket plate and can be inserted into the headbox, and a lifting driving device is arranged on the bracket plate and is connected with the top cover. The utility model belongs to the technical field of headboxes, and particularly relates to a papermaking headbox which solves the problem that in the prior art, a stirring rod in the headbox cannot be conveniently separated from the headbox to be detached or cleaned.

The invention belongs to the technical field of papermaking, and particularly relates to a paper pulp pressurized screen and a using method thereof. Comprising an equipment base, a screening tank body is arranged on the equipment base, a screening cavity is formed in the screening tank body and sequentially comprises a heavy slag settling area, an accepted pulp screening area and a light slag floating area from bottom to top in the height direction, the screening cylinder is arranged in the accepted pulp screening area, and the lower portion of the screening cylinder abuts against a first partition plate. The screening drum divides the accepted pulp screening area into a to-be-screened area and a finished screening area, the finished screening area is communicated with the pulp outlet pipe, a screening seam is formed in the side wall of the screening drum, a rotor is rotationally arranged on the inner side of the screening drum, a turbulent flow unit is arranged on the rotor, and the turbulent flow unit can eject pulp on the inner side of the rotor to the screening drum and destroy a pulp layer formed on the side wall of the inner side of the screening drum; and the situation that a relatively stable slurry layer is formed on the inner wall side of the screen cylinder by part of slurry to be screened under the action of centrifugal force, so that new slurry is prevented from being screened through screen seams can be avoided, and the screening efficiency is guaranteed.

The present invention relates to the field of paper product processing equipment, and discloses a waste collection device suitable for paper product processing, comprising a storage box, a crushing box installed on the top of the storage box, a driving turntable installed on the outside of the crushing box, a driving block fixedly connected to the outer eccentric part of the driving turntable, a rotating frame connected to the outside of the crushing box through a rotating shaft, a sector gear fixedly connected to the bottom end of the rotating frame, a driving rack slidably connected to the outer surface of the crushing box, and a fixed cylinder fixedly installed on the outside of the crushing box. The waste generated in the process of paper product processing is crushed by two crushing rollers, and then the rubber piston is driven to reciprocate along the inner wall of the fixed cylinder intermittently with the rotation of the crushing rollers, so that airflow is generated inside the pipe 1, and according to the Bernoulli principle, the suction pipe generates suction, and the dust generated in the process of waste crushing is sucked into the collection box for centralized collection.

The present invention relates to food or liquid packaging laminate comprising fibers obtained from used beverage cartons (UBC), said food or liquid packaging laminate comprising: a paperboard layer, and a barrier layer, wherein said paperboard layer comprises no or substantially no fibers obtained from UBC, wherein said barrier layer comprises a substrate layer comprising a highly refined cellulose composition comprising fibers obtained from UBC, and a polymeric gas barrier coating disposed on at least one side of the substrate layer, and wherein said barrier layer is laminated to said paperboard layer by a polymeric sealing layer arranged between said paperboard layer and said barrier layer.

The invention discloses an efficient full-automatic waste paper recycling and packing machine, which relates to the technical field of waste paper recycling and comprises a recycling bin, a feeding hopper is fixed in the middle of the top end of the recycling bin, a cutting mechanism is arranged below the feeding hopper, and a conveying and feeding mechanism matched with the feeding hopper in position is arranged on the front side of the recycling bin. A material pushing trolley driven by a first hydraulic cylinder to move is slidably arranged in the recycling bin, and an extrusion block is fixed to the side, away from the first hydraulic cylinder, of the material pushing trolley. The iron wire guide wheels are arranged on the iron wire guide frame at equal intervals, and the iron wire guide holes are formed in the front side and the rear side of the recycling bin, so that iron wires for packing and binding are supplied to the wire penetrating mechanism and the wire twisting and knotting mechanism correspondingly, and then the wire penetrating mechanism conducts automatic wire penetrating on the iron wires for packing and binding; and the wire twisting and knotting mechanism is used for automatically knotting the wire-threaded iron wires for packaging and bundling, so that waste paper materials can be automatically bundled after being compressed into blocks by extrusion blocks, the labor cost is saved, and the waste paper recycling and packaging efficiency is improved.

The invention belongs to the technical field of recycling equipment, and particularly relates to a closed waste paper conveying device and a using method, the closed waste paper conveying device comprises a rack, supporting legs are fixedly connected to the two sides of the lower end of the rack, a conveying belt is arranged on the rack, and a closed material collecting mechanism used for controlling the falling range of waste paper is further arranged on the rack. According to the waste paper collecting device, the closed material collecting mechanism and the bearing mechanism are utilized, a cavity can be formed under mutual cooperation of first closed cloth, second closed cloth, a material collecting plate and a baffle, when waste paper moves to the other end of the conveying belt from one end of the conveying belt, the waste paper can be gradually collected into the cavity along the material collecting plate, and the falling range of the waste paper is limited; the waste paper can only fall into the waste paper collecting box, so that the situation that due to the fact that the width of the opening of the waste paper collecting box is smaller than the width of the conveying belt, when the waste paper falls into the waste paper collecting box, part of the waste paper falls out of the waste paper collecting box, and the waste paper collecting effect is affected is avoided.

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 utility model relates to the technical field of papermaking production, and discloses a waste treatment and recovery device for papermaking production, which comprises a shell, a crushing mechanism and a pushing mechanism are arranged on the shell, a blanking channel is arranged at the bottom of the shell, and a filter screen plate is fixedly connected to the inner wall of the shell; and the crushing mechanism comprises an inner shell, the inner shell is fixedly connected to the inner wall of the top of the shell, and the inner wall of the inner shell is rotationally connected with a rotating shaft through a bearing. According to the waste treatment and recovery device for papermaking production, the first motor is started to drive the rotating shaft to rotate, the rotating shaft drives the crushing cutters to rotate to crush waste, the crushed waste is filtered through the filter screen plate, fine particles are discharged through the discharging channel, large-particle waste is left on the filter screen plate, and the waste crushing uniformity and the machining efficiency are improved.

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 organic wet garbage crushing, pulping and sorting all-in-one machine comprises a rack, a main body mechanism is arranged at the top of the rack, a feeding mechanism is arranged on one side of the top of the main body mechanism, and a driving mechanism is arranged on one side of the feeding mechanism; on one hand, indirect feeding of organic wet garbage can be achieved, and the situation that the follow-up crushing and pulping effect is affected due to excessive feeding at a time is avoided; on the other hand, the organic wet garbage can be preliminarily crushed and scattered, and plastic bags can be separated, so that the subsequent crushing and pulping efficiency can be improved, the phenomenon that the plastic bags enter an inner cavity of the main body mechanism and are attached to the pulping mechanism to cause blockage can be avoided, and the operation effect of the pulping mechanism can be improved; and on the other hand, indirect feeding, preliminary crushing, scattering and plastic bag separation treatment are driven by the same gear motor A to operate, the use number of the gear motor A is reduced, the use cost is reduced, and the concept of saving energy and electricity is met.

The present invention provides a water-closed cycle waste paper pulping system and a process thereof, which relates to the technical field of pulping devices, and includes: a base, which is a rectangular plate-shaped structure, and is placed on the ground, and a box body with a rectangular box-shaped structure is fixed on the base. The present application, through the arrangement of the second barrel body and the third barrel body, firstly, can precipitate the pulp, and through precipitation, the excess water can be extracted, thereby ensuring the water content of the pulp; secondly, after the excess water is extracted, the water can be decomposed by a decomposition agent, and after decomposition, it can be put into the box body again for continued use, thereby realizing the circulation of water and saving water; the present application, through the arrangement of auxiliary components, firstly, the array-shaped air holes on the annular seat can improve the mixing effect of the pulp in the first barrel body, thereby improving the bleaching effect; secondly, under the telescopic action of the electric cylinder, the height change of the annular seat can be realized, thereby further improving the bleaching effect.

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.