984 results about "Waste paper" patented technology

The invention relates to the field of waste recovery monitoring, in particular to a full-period recovery monitoring method and system for waste paper products. The method comprises the following steps: acquiring a multi-angle real-time monitoring image of a to-be-treated waste paper product pile; local brightness enhancement processing is carried out on the multi-angle real-time monitoring image, panoramic image reconstruction is carried out, and a waste paper pile panoramic image model is constructed; waste paper feature classification is carried out on the waste paper pile panoramic image model, an RFID electronic code is generated, and waste paper pile real-time monitoring parameters are obtained; carrying out real-time positioning and tracking according to the real-time monitoring parameters of the waste paper pile, and carrying out current transportation path analysis so as to generate a current transportation path of the waste paper pile; obtaining a waste paper product operation log; and performing dynamic transportation track mapping according to the waste paper product operation log and the current transportation path of the waste paper pile, and constructing a transportation track site map. According to the invention, the recovery efficiency of waste paper products and real-time recovery state monitoring are improved.

The invention discloses a low-temperature early-strength cement slurry system based on a cellulose-based composite phase change material, and belongs to the field of oil and gas field well cementation. The preparation method of the composite phase change material comprises the following steps: adding pretreated waste paper fibers, a cross-linking agent and a heat conduction material into an alkali / urea solution, and putting the mixture into an ultrasonic cleaning instrument to obtain a mixture A; transferring to a dialysis bag, and soaking in deionized water to obtain a mixture B; and performing in-situ mixing on the mixture C and organic phase change material molecules to obtain a mixture C, and performing vacuum freeze drying. The low-temperature early-strength cement slurry system is prepared from the following components in parts by weight: 100 parts of cement, 0.3-1 part of a composite phase change material, 5-25 parts of a density reducing material, 0.1-0.8 part of an early strength agent, 0.2-1 part of a dispersing agent, 0.2-2 parts of a fluid loss agent, 0.01-0.5 part of a defoaming agent and 44-58 parts of water. While cement hydration heat release is regulated and controlled, the early compressive strength of the cement can be improved, and the operation time efficiency and the construction safety are improved.

The utility model provides a compressed waste paper shell automatic feeding and crushing all-in-one machine which comprises a support, the top end of the support is connected with a material storage box, one side of the material storage box is hinged to a discharging frame, the discharging frame can be turned over to feed materials into the material storage box, the material storage box is provided with a feeding end and a discharging end, a conveying line is arranged below the discharging end, a plurality of material pushing blocks are arranged on the conveying line, and the material pushing blocks are arranged on the conveying line. A feeding roller is rotationally connected with the machine frame at the feeding end, the rotating direction of the feeding roller is opposite to that of the conveying line, a plurality of arrayed feeding teeth are arranged on the feeding roller, a fixed cutter plate is arranged in front of the conveying line, a plurality of fixed cutters are arranged on the fixed cutter plate, a rotatable cutter roller is arranged in front of the fixed cutters, and a plurality of crushing cutters are arranged on the cutter roller. The multiple crushing knives are spirally arranged on the knife roll, and the output device is used for outputting crushed paper shells. According to the utility model, overturning feeding, layered disassembling and crushing can be automatically completed, so that the labor burden of workers is reduced, the working efficiency is improved, and the production cost is reduced.

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 waste paper recycling machine for corrugated carton production comprises a crushing main body and a compression main body, a feeding port is fixed to the upper end of the crushing main body, the compression main body is fixed to the lower end of the crushing main body, and a crushing assembly used for crushing waste corrugated paper is arranged on the upper portion in the crushing main body; and the crushing assembly rotates in the crushing main body through a first motor and a second transmission gear set, and a feeding assembly used for assisting waste corrugated paper chippings to fall into the compression main body is arranged on the lower portion in the crushing main body. According to the waste paper recycling machine for corrugated carton production, the crushing roller is arranged in the crushing main body, corrugated paper waste can be crushed, the size of the corrugated paper waste is reduced, follow-up compression work is facilitated, meanwhile, the discharging roller is further arranged in the crushing main body, crushed corrugated paper chippings are preliminarily extruded through the discharging roller, and the waste paper recycling efficiency is improved. The scrap compacting device is used for compacting scraps to improve waste paper recycling and packaging work efficiency.

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 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 corrugated carton production, and discloses a rapid grooving device for corrugated carton production, which comprises a corrugated paper grooving machine, the inner wall of the corrugated paper grooving machine is fixedly connected with a connecting groove shell, the bottom surface of the connecting groove shell is fixedly connected with an opening cylinder, the outer surface of the opening cylinder is fixedly connected with the inner wall of the corrugated paper grooving machine, and the outer surface of the opening cylinder is fixedly connected with the inner wall of the corrugated paper grooving machine. The left end of the open cylinder fixedly communicates with a collecting box, a rotating motor is arranged on the left side of the collecting box, a threaded auger rod is arranged in the collecting box and the open cylinder jointly, the outer surface of the threaded auger rod is fixedly connected with a rotating bearing, and the right side face of the outer ring of the rotating bearing is fixedly connected with the inner wall of the open cylinder. According to the rapid grooving equipment for corrugated carton production, through rotation of the threaded auger rod and threads, waste paper obtained after corrugated paper grooving can be conveyed into the collecting box through the grooving barrel through rotation, the waste paper obtained after corrugated paper grooving can be collected through the collecting box, and therefore the frequency of manually collecting the grooving waste paper can be reduced.

The utility model relates to the technical field of paper crushing, in particular to a crushing device for waste paper recovery, which comprises a vertically through shell, two partition plates are symmetrically and adjustably arranged in the middle of the shell, a slitting device is arranged above the partition plates, and a crushing cutter is arranged below the partition plates. The slitting device and the crushing cutter are arranged in the shell; a cover plate is hinged to the upper end of the shell, two supporting plates are symmetrically arranged at the lower end of the shell in an adjustable mode, and the partition plate and the supporting plates can form a smashing space. According to the waste paper slitting device, the slitting device and the smashing cutter are arranged, the shell can be separated into the upper space and the lower space through the effect of the partition plate, waste paper in the upper space is slit into small-size paper through work of the slitting device, and the slit paper is fully smashed through work of the smashing cutter; the current situation that the crushing device is only provided with one crushing unit and cannot efficiently and effectively crush the waste paper is changed, and the crushing efficiency of the waste paper is improved.

The invention relates to a method for producing acid and improving dehydration performance through anaerobic fermentation of paper waste and multisource organic waste, which comprises the following steps: S1, settling multisource organic solid waste, removing supernatant, and adding into an anaerobic fermentation reactor; s2, crushing paper wastes, adding the crushed paper wastes into the anaerobic fermentation reactor in the step S1, and mixing the crushed paper wastes with the multi-source organic solid wastes; s3, removing oxygen in the anaerobic fermentation reactor, and performing sealed constant-temperature fermentation; and S4, product separation. Compared with the prior art, the method disclosed by the invention has the advantages that the reaction period is greatly shortened compared with the conventional anaerobic digestion method, and the organic acid in the generated supernate is more easily recycled than methane; by adding the paper wastes, the dehydration performance of the organic solid wastes can be improved, and the stability of the fermentation liquor can be adjusted; for paper wastes such as waste tissues and waste paper meal boxes which are difficult to directly recycle due to organic pollution, the method is an important way for realizing carbon reduction and recycling.

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 technical field of waste paper detection, in particular to an AI-based waste paper whole-process detection method and system, which comprises the following steps: collecting image side line extension angle statistics color matching identification, coding direction sequence comparison identification offset, positioning an infrared adjustment frequency generation instruction, and correlating serial number contrast data to generate a linked list. And extracting a difference value to judge that the overrun output is abnormal. According to the method, in image processing, abnormal paper parcels are compositely recognized through sideline interruption, break angle errors and color strip density, a multi-dimensional judgment mechanism is constructed in combination with source codes, in path tracking, a direction sequence is adopted to recognize an offset trend, infrared monitoring frequency is dynamically adjusted, and a high-risk area is focused; in the detection link, quality and moisture data are connected in series through paper package numbers, a time sequence contrast linked list is constructed, and potential deviations are screened by fusing difference floating and trend cross validation, so that anomaly identification precision, monitoring response rapidness and data tracking closed loop are realized.

The invention relates to the technical field of wastewater treatment, and in particular to a waste paper papermaking wastewater treatment device, comprising a main body shell of a rectangular structure, an empty slot being provided at the upper end of the main body shell, a mobile electrolysis mechanism for electrochemically treating wastewater in the main body shell being arranged on the upper end surface of the main body shell, the mobile electrolysis mechanism comprising two first limiting slots symmetrically arranged at the upper end of the main body shell, telescopic ends of two first electric telescopic rods being fixedly connected with a first fixed body, the first fixed body being provided with a second limiting slot, a collecting mechanism for collecting suspended matter in real time being arranged at a position close to one side at the upper end of the main body shell; a battery can always supply power to an anode rod through the second limiting body, so as to ensure that organic pollutants in wastewater in the empty slot can be completely removed, thereby improving the reliability of the device, a cathode plate being connected to a negative pole of a battery through an electric wire, and a cathode plate of a filter screen structure being able to generate a large number of bubbles, which can wrap fine impurities in the wastewater.

The utility model relates to the technical field of paper recovery devices, and discloses a paper recovery device based on Internet of Things, which is in communication connection with a cloud server, and comprises a hollow shell, and a weighing unit, a crushing unit, a pressing unit and a recovery box which are fixed on the inner side surface of the shell and are sequentially arranged along the movement direction of paper. The system has the beneficial effects that the paper recovery device is connected with the cloud server, so that the waste paper capacity of the paper recovery device can be monitored in real time. The pressing unit is used for compressing the broken paper in the vertical direction and the horizontal direction, the waste paper capacity of the paper recycling device can be improved to a large extent, and the use efficiency of products and the user satisfaction degree are improved.

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 invention discloses a preparation method of a waste paper regenerated fiber super-hydrophobic anti-icing coating, and relates to a preparation method of an anti-icing coating, and the method comprises the following steps: preparing nano cellulose powder through recycled waste paper, modifying the nano cellulose powder through dopamine hydrochloride, p-phenylenediamine and octadecylamine to form OA-CP-F powder, and compounding the OA-CP-F powder with epoxy resin and an epoxy resin curing agent to form a spraying coating, the curing agent is an epoxy resin common curing agent. The coating with a micro-nano composite structure is formed on the surface of a base material by adopting a spraying method, the contact angle is as high as 155 degrees, the icing time can be remarkably prolonged to 358s (-20 DEG C), an ice layer on the surface of the coating is loose frost ice and is extremely easy to fall off, the icing risk of various materials can be remarkably reduced, and the coating is suitable for the fields of aerospace, electric power facilities and the like.

The invention relates to the technical field of paper box production waste paper treatment, and discloses a waste paper collection and treatment integrated device for paper box production, which comprises a crushing box, a first cylinder is fixedly mounted on one side of a support frame, and one end of a first connecting shaft penetrates through the inner wall of a protective cover to be fixedly connected with a moving plate; a plurality of supporting shafts are connected to the bottom of the movable plate in an equidistant penetrating mode, a paper pressing plate is fixedly arranged at the bottom of each supporting shaft, the anti-static adsorption mechanism comprises an air bellow fixedly installed on the back face of the crushing box, a plurality of fans are installed on the inner wall of the air bellow, and a humidity controller is installed on one side of the outer wall of the protective cover. The movable plate drives the paper pressing plate to move above the paper shredding blades on the two sides, waste paper between the blades is extruded, the waste paper rapidly enters the inner sides of the blades to be crushed, in the process, the humidity in the crushing box is controlled through a humidity controller on the anti-static adsorption mechanism, and the waste paper is crushed. And meanwhile, the shredded paper adsorbed between the blades is collected by switching an air suction mode and an air blowing mode through a fan in the air box.

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 preparation of high-quantum-yield carbon dots based on machine learning guidance and detection application of a hydrogel kit of the high-quantum-yield carbon dots, and relates to the technical field of fluorescent nano material preparation and sensors. The method comprises the following steps: inputting reaction parameter data of synthesis of various carbon dots into a machine learning model, obtaining an optimal influence factor according to a prediction result, and realizing synthesis of the high-quantum-yield carbon dots. The carbon dot is in a sphere-like shape, the average particle size is 2.12 nm, the carbon dot has high fluorescence intensity, and an adopted precursor material is waste paper which is wide in source and low in cost. The synthesized high-quantum-yield carbon dots have the advantages of being rapid and sensitive in detection and the like, and mercury ions in Chinese herbal medicines can be rapidly detected according to fluorescence signal quenching. Meanwhile, the preparation of the carbon dot hydrogel kit can further realize colorimetric sensing, and the carbon dot hydrogel kit has good application value and prospect in the fields of environment, medicine, food and the like.

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 application discloses a zinc extraction process from secondary zinc oxide, and belongs to the technical field of zinc oxide preparation. In the rotary kiln roasting, composite porous flaky reducing carbon with waste paper, rice husk and wooden chips as main raw materials is used as a reducing agent. Compared with the commercially available anthracite, the composite porous flaky reducing carbon has low cost, realizes resource recycling, and has a large specific surface area and porous properties. A multi-level structure of flaky layers and pores is constructed, so that the contact sites of the composite porous flaky reducing carbon and the secondary zinc oxide are increased. The porous structure can avoid the caking of the material layer caused by the stacking and agglomeration of the flaky layers, and avoid the obstruction of gas flow, so that the pain points of the traditional reducing agent, such as local agglomeration and insufficient contact, are solved. The surface of the composite porous flaky reducing carbon is deposited with calcium oxide. The presence of the calcium oxide can react with a small amount of sulfur elements generated in the rotary kiln roasting process of the composite porous flaky reducing carbon, so as to generate calcium sulfate and reduce the content of sulfur dioxide.

The invention belongs to the technical field of mineral flotation, and particularly relates to a cellulose-based coal slime collecting agent and a preparation method and application thereof. The method comprises the following steps: performing wet grinding on recycled waste paper to obtain a paper pulp solution, stirring until paper pulp fibers are uniformly dispersed, adding excessive lithium chloride and sodium periodate, performing stirring reaction, cleaning and centrifuging to obtain precursor cellulose, performing amino alkylation modification to obtain amino alkyl cellulose, preparing the amino alkyl cellulose into a 20 g / L solution, and performing vacuum drying to obtain the lithium ion battery cathode material. And then uniformly mixing with non-polar hydrocarbon oil according to the volume ratio of 1: 2 to obtain the coal slime collecting agent. The prepared coal slime collecting agent contains the hydrophobic nanocellulose with the large length-diameter ratio, in the flotation process, adhesion of bubbles and minerals can be promoted, diffusion of the bubbles is promoted, and the flotation efficiency and the recovery rate are improved.

There is provided a technology capable of controlling the occurrence of “migration” of a foam material to a contact object.The present technology provides a package material containing: a fibrous material that includes waste paper and / or pulp; a binder; sodium hydrogen carbonate; a surfactant; and a water-soluble softener, the water-soluble softener being a urea derivative having a chemical structural formula of R1,R2—N—CO—N—R3,R4 (R1 to R4 are each H or a saturated and / or unsaturated hydrocarbon group having 1 to 4 carbon atoms) and / or a water-soluble polyhydric alcohol having 3 to 15 carbon atoms, the number of carbon atoms and the number of hydroxyl (OH) groups in a molecular structure of the water-soluble polyhydric alcohol satisfying a relationship of the number of hydroxy groups<the number of carbon atoms.

The utility model provides a waste paper bag scattering device which comprises a conveying mechanism, a first driving mechanism, a second driving mechanism and an inserting rod, the inserting rod is connected with the first driving mechanism and the second driving mechanism, and the first driving mechanism can drive the inserting rod to move in the first direction facing the conveying mechanism. The second driving mechanism can drive the inserting rod to move in the second direction, and the included angle is formed between the second direction and the first direction, that is, the first driving mechanism and the second driving mechanism drive the inserting rod to move in different directions, so that the inserting rod can tear the waste paper bags when moving in the second direction; automatic waste paper bale breaking is achieved, the working efficiency and safety are improved, and the site space needed by waste paper bale breaking can be reduced.

The utility model relates to the technical field of pulping machines, in particular to an energy-saving pulper for raw material waste paper treatment, which comprises a pulping cylinder, a mounting rack and a rotating shaft, a discharge pipe and support legs are arranged at the bottom end of the pulping cylinder, the mounting rack is mounted at the top end of the pulping cylinder, and the rotating shaft is rotatably connected with the center of the top end of the mounting rack; the waste paper beating device further comprises a beating assembly, the beating assembly is used for conducting beating treatment on waste paper in the beating cylinder, the beating assembly comprises a rotating plate, two sets of beating shafts, two sets of chain wheels and a chain, the rotating plate is installed at the bottom end of the rotating shaft, and the two sets of beating shafts are rotationally connected with the rotating plate. The utility model provides the double-shaft pulping machine which can realize more sufficient and thorough pulping by adopting double-shaft pulping, and can crush larger waste paper before pulping, so that the pulping is more sufficient and thorough, and the pulping efficiency is improved.

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.

The utility model belongs to the technical field of transformer substation waste recycling, and particularly relates to a transformer substation civil engineering waste recycling device based on low-carbon construction, which comprises a base, a plurality of treatment boxes distributed at intervals are fixedly mounted on the upper surface of the base, a conveying frame obliquely extending towards the top of a feed port is arranged on one side of each treatment box, and a compression mechanism is arranged on the upper surface of the base; by arranging the compression mechanism, crushed waste materials can be extruded into blocks, the size of the waste materials is reduced, automatic conveying, crushing, compression and returning of the waste materials are achieved, centralized treatment is facilitated, and follow-up recycling and transportation are facilitated; materials such as waste plastics, waste metals and waste paper generated in the civil construction process of the transformer substation can be classified and treated, the recycled waste materials can be compressed, recycling of the waste materials can be achieved, and the beneficial effects that resource classification and recycling are achieved, the automation degree is high, and the waste treatment efficiency is high are achieved.

The invention discloses an automatic paper shredder which comprises a paper shredder upper cover, a paper shredder lower cover, a first paper box, a second paper box, a paper shredder cover plate, a paper pressing plate, a paper pressing wheel set, a paper rubbing wheel set, a paper inlet, a cutter shaft set, a driving motor, a shell and a wastebin. The paper shredder utilizes the flexible characteristic of paper, combines the characteristic of a single-side paper rubbing roller, utilizes the changed paper length of a bent paper box to shred paper, is very simple and economical, and changes the structure mode of flatly laying the paper of the automatic paper shredder.

The invention provides a waste paper fiber-based biochar preparation method and a product thereof, and belongs to the field of carbon material preparation.The method comprises the steps that waste paper fibers serve as raw materials, a deep eutectic solvent (DES) composed of choline chloride and phosphoric acid serves as a reaction medium, and the waste paper fibers are carbonized at the low temperature to obtain the waste paper fiber-based biochar. The cellulose structure is effectively destroyed and the carbonization process is promoted; the waste paper fiber-based biochar which is large in specific surface area, rich in pore structure and good in surface functional group activity is prepared, and DES can be recycled and used for preparing new biochar. The method has the advantages that the raw materials are easy to obtain, green and environment-friendly, the operation is simple and convenient, the specific surface area of the charcoal material is large, the pore structure is rich, the preparation cost is low and the like, and the prepared charcoal material has a good application prospect in the fields of wastewater treatment and the like.