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488 results about "Waste paper" patented technology

Automatic auxiliary material attaching equipment

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.
Owner:SHENZHEN ELEMENTPLUS MATERIAL TECH CO LTD

Pulping device for corrugated board production

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.
Owner:SHANGHAI YONGSHENG PACKING CO LTD

Process for zinc extraction from zinc suboxide

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.
Owner:HUNAN RUIXIANG NONFERROUS METAL MATERIALS CO LTD

Cellulose-based coal slime collecting agent as well as preparation method and application thereof

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.
Owner:NANHUA UNIV

Waste paperboard crushing and stirring device

The utility model discloses a waste paperboard crushing and stirring device which comprises a machine body, a stirring device, a stirring device, a stirring device and a stirring device. The top of the machine body is provided with a feeding port, and the bottom of the machine body is provided with a discharging port; the crushing mechanism is arranged in the machine body, the crushing mechanism is located below the feeding opening, and the crushing mechanism is used for crushing waste paperboards; the eddy current separation mechanism is arranged below the crushing mechanism, and the eddy current separation mechanism is used for separating metal on the waste paperboards; and the stirring magnetic attraction mechanism is located below the eddy current separation mechanism, and the stirring magnetic attraction mechanism is used for stirring the crushed waste paperboards and removing iron metal on the waste paperboards, so that efficient crushing of the waste paperboards and thorough removal of metal impurities are achieved.
Owner:QIDONG MEINENG PACKAGING CO LTD

Waste paper packaging equipment

The utility model discloses waste paper packaging equipment and relates to the field of waste paper packaging, the waste paper packaging equipment comprises a compression bin, a feeding port is formed in the top end of the compression bin, the compression bin is provided with a cutting assembly used for cutting waste paper and a compaction assembly used for compressing the waste paper, and the cutting assembly comprises a discharging hopper mounted at the top end of the compression bin and located at the feeding port; through cooperative arrangement of the guide rollers, the cutting knife, the first air cylinder and other structures, during use, the two guide rollers are driven by the motor to rotate relatively, waste paper passes through the space between the two guide rollers, meanwhile, the first air cylinder is started, the cutting knife is pushed, and the waste paper is cut off. The waste paper passing through the guide roller is cut by the cutting knife, the waste paper is cut off and fed into the compression bin, the compaction assembly is compressed, and the problem that when the waste paper is too long, the waste paper can be put into the compression bin after being cut by workers, and the working efficiency is reduced is solved as much as possible.
Owner:SHANGHAI FOREST PACKING CO LTD

Automatic compressing and packaging equipment for waste paper

The invention belongs to the technical field of automatic paper packaging, and discloses automatic waste paper compressing and packaging equipment which comprises a compressor packaging machine and weighing conveying belts arranged on the two sides of a feeding port of the compressor packaging machine, and one weighing conveying belt is provided with a pulling machine. A plurality of circumferentially-distributed insertion holes are formed in the rotary disc, hard sticks are inserted into the insertion holes and inserted into the compressed waste paper bag along with the compression process of the extrusion base, one end of each hard stick extends out of the waste paper bag, and the ends of the hard sticks are sleeved with restraint straps for tightening. According to the invention, delivery is carried out by dividing the paper into two lines, and hard paper and soft paper are delivered into a compressor packing machine according to a weight ratio of about 3: 7-4: 6. By controlling the proportion of the soft paper and the hard paper, the packing density of the paper bag is improved, the firmness and the reliability of the paper bag body are enhanced, the packing efficiency is improved, and the damage in the transportation process is reduced.
Owner:NANTONG BAOLONG PAPER CO LTD

Waste paper stacking device and stacking method

The invention relates to the field of stacking devices, and discloses a waste paper stacking device and method.The waste paper stacking device comprises a workbench, a flow guide plate and a tray mechanism, the workbench is provided with a rotating assembly used for supporting paper parcels, and the rotating assembly and the tray mechanism vertically correspond to each other; an adjusting assembly corresponding to the rotating assembly in position is arranged on the workbench. Through cooperation of the adjusting assembly, the workbench and the like, a plurality of paper parcels can be rapidly aligned in the front-back and left-right directions, so that the plurality of paper parcels form one layer in a stack shape and are in a tight fit state, and then the plurality of paper parcels on one layer are synchronously conveyed to the tray mechanism to complete stacking; single paper parcels do not need to be repeatedly conveyed and stacked in sequence, and the overall conveying efficiency and stacking efficiency can be effectively improved; and when a plurality of aligned paper packages are conveyed, the paper packages directly fall down due to the fact that no spacer exists on the front, the back, the left and the right, and therefore the overall stacking effect can be effectively improved.
Owner:TAIYUAN MINGYAO XINGRONG PACKAGING CO LTD

Waste paper crushing device for carton processing

The utility model discloses a waste paper smashing device for carton processing in the technical field of carton processing, which comprises a workbench, a cutting box and a slitting box, the cutting box is fixedly connected to the left side of the top of the workbench, the slitting box is fixedly connected to the top of the cutting box, the right side wall of the cutting box is fixedly connected with a rotating motor, and the right side wall of the slitting box is fixedly connected with the rotating motor. The output end of the rotating motor penetrates through the cutting box and extends to an inner cavity of the cutting box, the output end of the rotating motor is fixedly connected with a cam shaft, the cam shaft is rotationally connected with the inner cavity of the cutting box, and lifting grooves are formed in the front side wall and the rear side wall of the inner cavity of the cutting box. According to the waste paper smashing device for carton processing, waste paper can be evenly smashed and cut, later packaging and collecting are facilitated, the size of the smashed waste paper after compression can be smaller, the waste paper is not prone to scattering, and later transportation is facilitated.
Owner:LONGKOU HUAXING IND & TRADE CO LTD

Automatic pushing type waste paper packing machine

The utility model relates to the technical field of packaging machines, in particular to an automatic pushing type waste paper packaging machine which comprises a base, a packaging box is arranged at the upper end of the base, two first telescopic air cylinders are fixedly installed at the upper end of the packaging box in a penetrating and penetrating mode, and a pressing plate is arranged at the output ends of the two first telescopic air cylinders together. A plurality of protrusions are arranged at the lower end of the pressing plate, an attaching groove is formed in the lower portion of the inner rear wall of the packing box, guide grooves are formed in the middle of the inner left wall and the middle of the inner right wall of the packing box, and a material pushing device is movably installed in the two guide grooves and the attaching groove jointly. According to the automatic material pushing type waste paper packing machine, the material pushing plate is matched with the second telescopic air cylinder, waste paper bags can be rapidly and accurately pushed out, the transfer plate can also be rapidly located and in butt joint, the packing and transfer efficiency is greatly improved, a brush at the lower end of the material pushing plate cleans the force bearing plate during working, it is guaranteed that equipment is clean, and safe operation is achieved; the maintenance cost is reduced and the service life is prolonged.
Owner:HANGZHOU SHANDING PRINTING & PACKAGING CO LTD

Paper rattan from plant waste and its production method

ActiveTW202629861AYarnFiber
A plant-waste paper vine comprising a plant-waste yarn made from bundles of fibers of the plant-waste yarn wrapped around the plant-waste yarn with a decorative paper layer comprising a fibrous layer with a leaf flesh tissue mixed in the fiber layer formed from pulp by drying The paper vine of the present invention is made of recycled plant waste reuse, can reduce the amount of garbage and therefore more environmentally friendly, the decorative paper layer containing the leaf flesh tissue can form irregular lines on the surface can add beauty,
Owner:OVERSEAS CHINESE UNIVERSITY

Preparation method of high-strength water-resistant special functional paperboard

The invention discloses a preparation method of a high-strength water-resistant special functional paperboard, and belongs to the technical field of papermaking, the high-strength water-resistant special functional paperboard sequentially comprises a surface sizing layer, a surface paper layer, a core paper layer, a bottom paper layer and a bottom sizing layer from top to bottom, and the surface paper layer, the core paper layer and the bottom paper layer are made of waste paper pulp. The surface sizing layer and the bottom sizing layer are made of environment-friendly glue, through the surface paper layer, the core paper layer and the bottom paper layer, the functional paper has higher paperboard physical strength and better water resistance, and the functional paper is environmentally friendly, efficient and remarkable in superiority.
Owner:ZHEJIANG JINGXING PAPER

Cigarette filter tip paper material on-line cutting device

The application provides a cigarette filter core paper material on-line cutting device and belongs to the technical field of filter core paper processing. The cigarette filter core paper material on-line cutting device comprises a shell, a recovery part, a conveying part and a cutting part. In the application, the conveying part conveys the core paper, the cutting part cuts the conveyed core paper, and the recovery part recovers the waste paper, so that the waste paper does not affect the production, and the structure is simple.
Owner:SHANGHAI TOBACCO GROUP CO LTD +1

A uniform feeding device for whiteboard paper processing

PendingCN122358530AFiberWhiteboard
The application discloses a white board paper processing uniform feeding device and belongs to the technical field of conveying, which comprises a conveying groove, a conveying belt arranged in the conveying groove, a motor arranged on the side wall of the conveying belt, and a uniform feeding mechanism. The application can effectively destroy the interlayer bonding force of the material raw material, effectively destroy the hydrogen bond combination and the adhesive force of the adhesive between the waste paper layers, loosen the cemented paper block before entering the pulper, and simultaneously supplement water from the inside while uniform feeding, reduce the dust generated during conveying, realize deep water penetration of the material, accelerate the full wetting and softening of the fibers in the raw material, and automatically detect the water content of the material according to the acting force between the uniform feeding roller and the material, automatically adjust the water supplementing amount, avoid paste blocking caused by excessive humidity of the material raw material, realize automatic water supplementing and automatic adjustment of the material, and guarantee the quality of subsequent processing of the material.
Owner:SHANDONG YUANLIN PAPER CO LTD

Method for efficiently increasing the water retention value of chemi-mechanical pulp waste paper fibers

ActiveCN118895678BPaper after-treatmentNon-macromolecular organic additionFiberAcetic acid
The application belongs to the field of increasing the water retention value of chemical pulp waste paper fibers, and discloses a method for efficiently increasing the water retention value of chemical pulp waste paper fibers, which comprises the following preparation steps: firstly, mixing chemical pulp waste paper fibers with pentaerythritol; then, adding a certain amount of acetylcholine and acetic acid in sequence; after being mixed uniformly, heating treatment is performed, the pretreatment temperature and time are controlled, and after the treatment is completed, an ethanol solution is added to terminate the reaction, so that modified waste paper pulp fibers are obtained. The application has the advantages of short time, simple process, mild conditions, simple steps, easy operation and suitability for industrial production.
Owner:SHANYING INT HLDG CO LTD

Coated white top kraft paper with less linting and dusting on back surface and preparation method thereof

PendingCN122406587ACellulosePolymer science
The application provides a coated white surface kraft paper with a back surface not easy to drop hair and powder and a preparation method thereof, and relates to the field of coated white surface kraft paper. The preparation method of the coated white surface kraft paper with a back surface not easy to drop hair and powder comprises the following steps: preparing a coating liquid, primary sizing and secondary coating. The coating liquid is prepared from the following raw materials: heavy pulp calcium, kaolin, starch, butadiene styrene latex, polyvinyl alcohol, sodium carboxymethyl cellulose, water-based epoxy silane, ethylene glycol diglycidyl ether and amino silicone oil. The preparation method can ensure that OCC waste paper boxes are effectively recycled for the back surface of the coated white surface kraft paper, and can overcome the problems of hair and powder dropping and adhesive residue on the back surface of the coated white surface kraft paper, so as to avoid the secondary transfer of hair, powder and adhesive on the back surface of the coated white surface kraft paper to the front surface of the paper, and to ensure the printing effect and printing efficiency of the coated white surface kraft paper.
Owner:SHANDONG CENTURY SUNSHINE PAPER GROUP

Leaked material collecting device of waste paper chain scraper conveyor

The leaked material collecting device of the waste paper chain scraper conveyor comprises a hopper, the bottom of the hopper is connected with a material discharging pipe, the bottom of the material discharging pipe is provided with a material receiving barrel with an opening in the top, and in the horizontal projection, the material discharging pipe is located in the material receiving barrel; the hopper comprises a material receiving plate, an auxiliary material receiving plate and two opposite side plates; the length of the material receiving plate in the horizontal direction is larger than that of the auxiliary material receiving plate in the horizontal direction. According to the technical scheme provided by the utility model, residual and falling waste paper and impurities on the chain collecting plate can be effectively collected, so that the problems of environmental pollution, resource waste and the like caused by material leakage are avoided.
Owner:DONGGUAN JIANHUI PAPER CO LTD

High-strength corrugating base paper and production method thereof

The invention belongs to the technical field of papermaking, and particularly relates to high-strength corrugated base paper and a production method thereof. The method comprises the following steps: respectively preparing waste paper pulp and natural color chemithermomechanical pulp with 20-35-degree SR beating degree through independent preparation lines; then, mixing the two kinds of pulp in a drifting system according to the proportion of 20-50% of natural color chemimechanical pulp, and adding a ternary retention aid composed of cationic retention aids polyacrylamide with the molecular weight of 8-10 million and cationic retention aids polyacrylamide with the molecular weight of 3-6 million and bentonite; and finally, the mixed pulp is put on a net to be formed, surface sizing is conducted on paper sheets, and sizing paint comprises corn starch, starch converting enzyme, styrene acrylate emulsion, AKD emulsion and aluminum sulfate. Through the synergistic effect of branching pulping, proportion optimization, a special chemical system and surface treatment, high-proportion waste paper replacement is achieved, meanwhile, the paper forming strength is guaranteed and improved, the production cost is effectively reduced, and remarkable economic benefits are achieved.
Owner:SHANDONG RENFENG SPECIAL MATERIALS

Waste paper pulping system

The present invention relates to a waste paper pulping system comprising: a hydrapulper designed to separate accepted pulp and slag pulp from pulp in a tank of the hydrapulper, the accepted pulp of the hydrapulper being supplied to a subsequent section; the drum screen is used for screening the received pulp and conveying the screened accepted pulp back into the tank body of the hydrapulper; the aperture of an inlet of the light sand remover is at least close to the aperture of a slag discharge port of the hydrapulper, and the light sand remover is designed to be used for separating accepted pulp, heavy slag and light impurities from at least part of slag pulp of the hydrapulper; wherein the separated heavy slag settles at the bottom of the light sand remover and is intermittently discharged through a heavy slag discharge port of the light sand remover, the accepted pulp is conveyed back to the tank body of the hydrapulper, and the light impurity slag pulp is provided for the cylinder screen from a light impurity discharge port of the light sand remover.
Owner:ANDRITZ CHINA

Automatic waste paper discharging mechanism on folding machine

An automatic waste paper discharging mechanism on a folding machine comprises a machine table, a conveying assembly, a laser sensor and a paper discharging assembly. The paper discharging assembly comprises a driving air cylinder, a push-pull rod, a connecting rod, a swing plate and a stop rod. The end, away from the connecting rod, of the swing plate is rotationally connected with the machine table, one end of the blocking rod is fixedly connected with a rotating point on the swing plate, the other end of the blocking rod is rotationally connected with the machine table, and a plurality of lay gauges are arranged on the side, facing the conveying assembly, of the blocking rod at intervals. According to the mechanism, the laser sensor is used for detecting and judging whether paper is wrongly folded or bent in the folding process or not, and when the phenomenon occurs, the driving air cylinder drives the blocking rod to swing, so that a gap through which the paper can pass is formed between the lay gauge and the paper conveying belt, and the paper can pass through the gap. The whole process does not need manual participation, manpower resources are saved, the situation that paper discharging is carried out due to the fact that the waste paper appears is avoided, and the folding efficiency is improved.
Owner:ZHEJIANG ZIMING PRINTING MASCH CO LTD

A waste paper packing machine with dust removal function

The utility model discloses a waste paper packing machine with dust removal function relates to packing machine technical field, including packing box, the waste paper pressing plate of packing box inside is driven to lift through the hydraulic cylinder, the waste paper placing plate of packing box inside bottom end sliding is driven to displace through automatic push -out mechanism, and the waste paper limiting frame is inserted to the top of waste paper placing board, the utility model discloses a dust cover on dust absorption pipe is driven to the dust absorption box of dust removal machine and is carried out to the dust produced in the waste paper packing process to suck and remove, and rotary drive mechanism drive ring plate drives two groups of dust absorption pipe to reciprocating rotation around the periphery of waste paper limiting frame to realize the all -round dust absorption in the waste paper packing process, so that the dust produced in the waste paper extrusion packing process can be fully effectively sucked and removed, and the waste paper placing board is driven to move into or move out packing box automatically through automatic push -out mechanism, so that the waste paper can be taken out from packing box automatically after being extruded and compressed on the waste paper placing board.
Owner:JIANGSU ZHILIAN ENVIRONMENTAL PROTECTION MASCH MFG CO LTD

Small-sized automatic code spraying and labeling equipment for nuclear-grade environment

The utility model discloses small-sized automatic code spraying and labeling equipment for a nuclear-grade environment. The small-sized automatic code spraying and labeling equipment comprises a label paper mounting module, a label paper guide module, a label paper position detection sensor, a label stripping module, a labeling module, a traction module and a waste paper collecting module. The device is small and compact in appearance size and can be shrunk and enlarged according to the size of label paper, and the hot chamber installation requirement is met; a transmission structure of the equipment adopts a synchronous belt for transmission, and the synchronous belt adopts a polyurethane steel wire belt for transmission, so that the equipment has certain radiation resistance; the bottom paper of the label is made of PVC, and the bottom paper is transparent, so that the label is convenient to detect and has certain strength and flexibility; the labeling module adopts a V-shaped unilateral moving design and can be compatible with bottles of different specifications; the whole equipment is made of a material with relatively high radiation resistance, so that the equipment has certain radiation resistance; parts of parts of the equipment are made of aluminum materials for weight reduction design, and the equipment is lighter than ordinary equipment.
Owner:SHANGHAI TOFFLON SCI & TECH CO LTD

Energy-saving and environment-friendly waste paperboard compression equipment

ActiveCN224072971UEasy to process briquettesReduce compression resistanceSolid waste disposalTransportation and packagingHydraulic cylinderGear wheel
The utility model relates to the technical field of environment-friendly waste paperboard compression equipment, and discloses energy-saving environment-friendly waste paperboard compression equipment which comprises a compression box, a box frame is fixedly connected to the left side of the compression box, a door shaft is arranged on the front side of the box frame, and a box door is fixedly installed on the right side of the door shaft. A clamping base is fixedly connected to the front side of the box door, a door pin is arranged at the upper end of the clamping base, a control switch is fixedly installed on the right side of the compression box, and a main hydraulic cylinder and an auxiliary hydraulic cylinder are arranged in the compression box. According to the energy-saving and environment-friendly waste paperboard compression equipment, through the arrangement of the crushing mechanism, a driving motor can be used for driving a first gear and a second gear to rotate in an engaged mode, so that a first crushing roller and a second crushing roller are driven to crush waste paperboards, the waste paperboards are crushed into small blocks, and subsequent block pressing treatment is facilitated; when the small waste paper is compressed, the compression resistance can be reduced, the small waste paper can be stacked more tightly, gaps are reduced, and the compression ratio is increased.
Owner:YUECHI COUNTY WANGGE RENEWABLE RESOURCES RECYCLING CO LTD

Interleaving paper directional discharging device and isolator

The invention relates to a lining paper directional discharging device and an isolator, and the lining paper directional discharging device comprises a conveying platform which is arranged in the isolator and comprises a first end and a second end opposite to the first end, and the first end is used for bearing lining paper to be discharged; the pushing mechanism is arranged in the isolator and is configured to apply a pushing force for moving from the first end to the second end to the lining paper arranged on the conveying platform; and the closing-in guide assembly is mounted at the exhaust port of the isolator. According to the lining paper directional discharging device and the isolator, the lining paper is actively pushed by arranging the pushing mechanism, and the lining paper is directionally discharged from the waste paper outlet with the controlled caliber in cooperation with the closing-up guide assembly, so that the problem that in the prior art, the lining paper is discharged from the waste paper outlet with the controlled caliber is solved; the problems that a preset positive pressure environment in the isolator is out of control and external pollutants invade due to the fact that waste paper is discharged through a large opening are solved, and meanwhile clamping stagnation possibly occurring in the discharging process of the lining paper easy to curl is overcome.
Owner:MOON PHARM EQUIP (HANGZHOU) CO LTD

Pulping device for recycling recycled waste paper

The invention discloses a pulping device for recycling recycled waste paper. The pulping device comprises an outer pulping cylinder, an inner pulping cylinder and a stirrer, the first stirrer is arranged on the inner side of the pulping inner cylinder, the second stirrer is arranged at the lower end of the interior of the pulping outer cylinder, sieve plates are arranged below the first stirrer and the second stirrer, and the sieve plates divide the cavity into a first cavity and a second cavity from top to bottom; the rotating speed of the first stirrer is higher than that of the second stirrer. Double-groove staged treatment is adopted, the pulping efficiency is greatly improved, the upper layer adopts a high-shear-force sawtooth-shaped impeller, large waste paper is rapidly torn through strong turbulence generated by high-speed rotation and local high pressure, coarse crushing is completed within a short time, and the initial crushing period is shortened; the lower layer is provided with a low-shear paddle-shaped impeller, mild stirring is performed at a low speed, fine separation of fibers and residual impurities is focused, invalid circulation caused by repeated crushing of a single groove is avoided, the overall pulping speed is increased, the fibers are protected, and the energy-saving effect is achieved.
Owner:XUZHOU LICHENG ENVIRONMENTAL PROTECTION MATERIALS CO LTD

Waste paper pulp desanding equipment

The utility model relates to waste paper pulp desanding equipment, which comprises a base and a cyclone desander arranged on the base, the top of the cyclone desander is provided with a water inlet pipe and a water outlet pipe, the bottom of the cyclone desander is provided with a sand outlet, a settling basin is connected below the sand outlet, the settling basin is in an inverted cone shape, and the settling basin is provided with a water inlet pipe and a water outlet pipe. An overflow pipe is arranged at the top of the sedimentation tank, a spiral conveying mechanism is obliquely arranged on one side of the sedimentation tank, the discharging end of the spiral conveying mechanism extends out of the sedimentation tank, a screen is obliquely arranged in the sedimentation tank, and magnets are distributed on grids. The desanding equipment for the waste paper pulp can be used for recycling metal in the paper pulp.
Owner:NINE DRAGONS PAPER QUANZHOU CO LTD

Gluing device and method for door and window sealing strip

The invention discloses a door and window sealing strip gum application device which comprises a machine table, a wool top guide module, a hot melt adhesive unwinding module, an ironing plate heating module, a heating rolling module, a waste paper winding module, a cooling module, a non-woven fabric unwinding module and a traction module are sequentially arranged on the machine table, and a guide groove module is further arranged on the machine table. The guide groove module is arranged below the heating and rolling module; and a method thereof.
Owner:HAINING LIJIALONG PILE WEATHER STRIP CO LTD

Non-asbestos yarn, its manufacturing method and use

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

An unbleached natural brown copier paper and process thereof

PendingGB2641002AMicroorganism/enzyme additionPaper/cardboardPaper manufacturingKaolin clay
A composition of unbleached natural brown paper comprising pulp extracted from waste paper material, starch and fillers. The filler may be soapstone, calcium carbonate, clay silica, talc and / or kaolin. Also include may be Alkyl Ketene Dimer (AKD). The composition may also include enzymes as a surface sizing agent. Also included is a claim to making the composition comprising, extracting the pulp from the waste material, introducing the pulp to a paper manufacturing unit and processing the paper to remove hills and valleys through a size press and a film press.
Owner:SHREE KRISHNA PAPER MILLS & INDUSTREIS LTD