855 results about "Plastic waste" patented technology

Chemical recycling facilities for processing mixed plastic waste are provided herein. Such facilities have the capability of processing mixed plastic waste streams and utilize a variety of recycling facilities, such as, for example, solvolysis facility, a pyrolysis facility, a cracker facility, a partial oxidation gasification facility, an energy generation / energy production facility, and a solidification facility. Streams from one or more of these individual facilities may be used as feed to one or more of the other facilities, thereby maximizing recovery of valuable chemical components and minimizing unusable waste streams.

The injection mold comprises a movable mold body and a fixed mold body which are arranged, a lifting plate is connected to the interior of a containing groove through a driving assembly, a cutter used for cutting accumulated materials in an injection groove is arranged on the lifting plate, and a moving rod is driven by gas in a driving air cylinder; an auxiliary assembly is arranged in the movable mold, a conveying bag is arranged on the auxiliary assembly, the output end of the conveying bag is connected with an air blowing assembly, and a vibration assembly is arranged in the storage groove. According to the injection mold capable of recycling the plastic waste, accumulated materials in an injection groove in the injection nozzle are separated from a formed part in the fixed mold through a cutter on the lifting plate, the overall structure is simple, the problem that maintenance is inconvenient due to the arrangement of a complex structure is solved, and the problem that the adaptability of the mold is reduced due to the arrangement of a large structure is solved; and through cooperation of the vibration assembly and the air blowing assembly, accumulated materials in the injection groove can be thoroughly cleaned, and the cost problem of secondary treatment is reduced.

The invention belongs to the field of waste recovery, and particularly relates to a plastic production waste recovery treatment device which comprises a conveying assembly, an iron removal assembly, a smashing assembly and a collecting assembly. The conveying assembly comprises a climbing conveyor; the climbing conveyor is used for lifting and conveying plastic waste; the iron removal assembly comprises an equipment box; a magnet is arranged in the equipment box; one side of the equipment box is fixedly connected with a stand column; the top of the equipment box is fixedly connected with an air cylinder; the output end of the air cylinder is fixedly connected with a mounting frame. Positioning rods are symmetrically and fixedly connected to the two sides of the equipment box; by arranging the equipment box, iron impurities at the bottom of the bottom plate can be desorbed, then the device can remove the iron impurities in the waste materials, the device can conveniently crush the waste materials subsequently, meanwhile, the bottom plate can be driven to desorb the iron impurities by starting the air cylinder, and rapid desorption of the device on the iron impurities is achieved.

The invention discloses waste reutilization equipment for silicone adhesive packaging film production, and relates to the technical field of plastic waste recovery treatment, the waste reutilization equipment comprises a melting tank and a heating module mounted on the melting tank, and further comprises a partition plate; the stirring mechanism comprises a main shaft and a plurality of material mixing assemblies, and each material mixing assembly comprises a plurality of stirring blades; the material control mechanism comprises a material guide plate mounted outside the plurality of stirring blades, a plurality of through grooves formed in the material guide plate, two scraping plates mounted in the through grooves, two cutting assemblies mounted in the through grooves and a linkage assembly used for driving the scraping plates to rotate; the scraping plate is driven to move towards the edge direction of the partition plate along with the material guide plate, packaging film waste materials with different melting degrees on the surfaces of the stirring blades are scraped away, and the packaging film waste materials which are not completely molten are easily attached to the outer portions of the stirring blades, so that the waste materials are easily carried to move towards the heating module; and the part of waste enters a high-temperature area close to the heating module, and melting of the part of waste is accelerated.

The present invention relates to the field of plastic recycling technology, and specifically to a device for recycling and processing excess waste from plastic production, comprising: a cleaning box; a cleaning mechanism for cleaning plastic waste; a pre-treatment mechanism for treating the plastic waste before cleaning; the cleaning mechanism comprising: a rotating drum rotatably installed in the cleaning box, a power source for driving the rotating drum to rotate, a rotating plate fixedly connected to the end of the rotating drum, a stirring plate fixedly installed on the rotating drum, a cleaning member installed on the stirring plate, and a flushing assembly for flushing the plastic waste. In the present invention, through the provision of the cleaning mechanism, the plastic waste can be stirred, flushed, and brushed, thereby achieving multiple cleanings of the plastic waste, greatly improving the cleanliness of the plastic waste, and solving the problem that the existing cleaning methods all have the problem of incomplete cleaning to varying degrees, affecting the reprocessing quality and utilization rate of the plastic waste.

The invention discloses an injection mold with a plastic waste recycling function, relates to the technical field of injection molds, and aims to solve the technical problem that filamentous, drop-shaped or thin-layer-shaped residues cannot be quickly recycled when a nozzle moves back after injection molding is completed. Comprising an injection molding machine tool, an injection molding system, a nozzle, an extrusion mold, a waste cutting mechanism, a guide assembly, a softening assembly and a crushing and recycling assembly. Injection molding cavity sealing and waste automatic cutting are synchronously achieved in the barrel-shaped injection molding part production process, product appearance defects caused by wire drawing or salivation when a nozzle moves back can be avoided, waste residues can be reduced through wrapping type cutting, the purity of recycled materials is improved, immediate closed-loop waste treatment is achieved in cooperation with a smashing and recycling assembly, and the production efficiency is improved. And compared with a traditional manual or simple mechanical cutting mode, the production efficiency and the product forming consistency are improved through automatic control, environmental protection benefits and economic benefits are achieved, and the sealing and recycling requirements of large-batch barrel-shaped product production are met.

The utility model discloses an anti-theft and tamper-proof soap dispenser used in public places and capable of reducing plastic use, and relates to the technical field of soap dispensers, the soap dispenser comprises a structure formed by matching an inner shell and an outer shell in a sliding sleeve mode, the inner shell and the outer shell are matched to form a closed space, and the closed space is used for containing a bottle capable of being filled repeatedly or a disposable bag. The inner shell and the outer shell are fixedly locked through a spring and a metal bolt, a clamping groove is formed in the back to enhance the connection strength, and only a magnetic key is allowed to be used for opening. According to the soap dispenser, through multiple technological innovations and design optimization, the problems that an existing soap dispenser is generally poor in anti-theft and tamper-proof effects, plastic waste is serious, pollution is caused by repeated filling, maintenance is difficult, the appearance is not attractive, and user experience is poor are solved; the method is of great significance in improving the use efficiency of cleaning supplies in public places and the user experience.

The invention relates to the technical field of plastic waste recycling, in particular to a waste recycling device for plastic processing. Comprising a machining table, the top end of the machining table is provided with a feeding conveying belt used for conveying waste to be treated, the machining table is provided with a treatment bin, a feeding groove is formed in the side, close to the feeding conveying belt, of the treatment bin, and a circulating screening mechanism used for screening the crushed waste is arranged in the treatment bin; waste materials to be treated are fed into the feeding hopper through the feeding conveying belt via the feeding groove, the waste materials are crushed through the crushing mechanism, the crushed waste materials are screened through the circulating screening mechanism, the crushed waste materials are subjected to secondary crushing through the crushing mechanism, and therefore automatic circulating crushing of the waste materials is achieved; manual operation is not needed in the whole process, crushing, screening, secondary crushing and conveying are automatically conducted, the crushing quality is greatly improved, and meanwhile the workload of workers is relieved.

The invention discloses an environment-friendly PVC-U plastic pipe fitting and a manufacturing method thereof, and relates to the technical field of plastic waste recycling, and the environment-friendly PVC-U plastic pipe fitting is prepared from the following raw materials in parts by weight: 30-50 parts of regenerated PVC particles and 50-70 parts of raw PVC resin. Plasma-nano SiO2 co-activation is combined with a supercritical CO2 extraction technology, plasticizer residues in regenerated PVC are efficiently removed, the surface activity is improved, a multi-scale mechanical interlocking structure is constructed in cooperation with a four-level plant fiber reinforcing agent, gradient density design is combined, the ring stiffness larger than or equal to 8 kN / m < 2 > is achieved under the condition that no metal reinforcing layer exists, and the performance of the regenerated PVC is improved. Meanwhile, by utilizing the synergistic effect of maleic anhydride grafting modification and pulsed magnetic field orientation curing, the compatibility of the reclaimed material and primary resin is improved, a modulus gradient interface is formed, stress concentration is effectively relieved, the recovery rate of the waste PVC pipe is increased, and the product has the self-cleaning and electromagnetic shielding functions.

The invention provides multi-mechanism collaborative plastic waste recovery equipment and method, and relates to the technical field of waste treatment equipment, the equipment comprises a recovery box, a crushing mechanism, a separation mechanism and a cleaning assembly; the crushing mechanism comprises a shell, a motor, a belt pulley and a crushing roller; the separating mechanism comprises a collecting cover, a separating hole, a conveying pipe, a collecting box and a negative pressure fan; the cleaning assembly comprises a connecting rod and a cleaning rod, and the cleaning rod makes contact with the inner wall of the collecting cover. The method comprises the four steps of intelligent material identification, dynamic adjustable crushing, multi-stage separation and collection and automatic cleaning and maintenance. Through cooperation of the crushing mechanism, the separating mechanism and the cleaning assembly, efficient separation of plastic particles is achieved; impurity accumulation is prevented through an automatic cleaning mechanism; the energy consumption is reduced through power reuse; and the automation level and adaptability of the equipment are improved through multi-stage intelligent control, and the problems of low separation efficiency and difficult maintenance in the prior art are effectively solved.

The invention discloses an injection mold for mobile phone shell production, and belongs to the technical field of injection molds.The injection mold comprises an upper mold and a lower mold matched with the upper mold, a supporting base is installed at the bottom of the lower mold, a first air cylinder is arranged on the side edge of the supporting base, and the telescopic end of the first air cylinder is installed on the side edge of the upper mold; and the upper mold is provided with an injection molding runner, the injection molding runner is located on the inner side of the sleeving block, the sleeving block is connected with the upper mold through an auxiliary spring, and a material cutting module is installed in the middle of the upper mold and used for cutting off waste in the injection molding runner and a formed part in the mold cavity. According to the injection mold for mobile phone shell production, the movable cutter is arranged in the mold, so that plastic at the joint of the runner and the mold cavity can be conveniently cut off, meanwhile, when a formed part is ejected out, the plastic attached to the runner can be outwards ejected out, and plastic waste ejected out of the runner in the follow-up process can be conveniently collected and recycled.

The invention relates to the technical field of environment-friendly tableware injection molding devices, and discloses an environment-friendly tableware production injection molding device capable of recycling plastic waste, the environment-friendly tableware production injection molding device comprises a fixing frame, the inner wall of the fixing frame is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a mold pressing plate, and the front side of the mold pressing plate is fixedly connected with a moving column; a movable column is fixedly connected to the front side of the fixed frame, a fixed plate is fixedly connected to the front side of the movable column, a fixed mold shell is fixedly connected to the inner wall of the fixed frame, a sliding column is slidably connected to the inner wall of the fixed mold shell through a spring, a pressing plate is fixedly connected to the front side of the sliding column, and a push plate is fixedly connected to the rear side of the sliding column. The hydraulic cylinder can drive the push plate to move to push out the injection-molded mold in the fixed mold shell, the dependence on a heating system can be reduced by assisting in pushing out the mold, and therefore energy consumption is reduced, and it is further ensured that the shape of a product is kept complete in the demolding process.

The plastic waste crushing device with the dust removal function comprises a rack, a material box, a material pressing assembly and a crushing assembly, and the material box comprises a box body, a feeding hopper, a crushing box, a discharging hopper and an exhaust pipe; the material pressing assembly comprises a supporting plate, a lifting power element and a pressing plate. The crushing assembly comprises a first crushing roller and a second crushing roller, the first crushing roller and the second crushing roller are the same in structure, the first crushing roller comprises a first fixing seat, a second fixing seat, a rotating shaft and a sleeve, and the first fixing seat is provided with an air cavity communicating with the inflation mechanism; the rotating shaft is rotationally connected with the first fixing base and the second fixing base and provided with an air inlet groove. The sleeve sleeves the rotating shaft and is provided with an exhaust groove and a plurality of air holes communicated with the exhaust groove, one end of the air inlet groove is communicated with the air cavity, and the other end of the air inlet groove is communicated with the exhaust groove; the air cavity, the air inlet groove, the exhaust groove and the air hole form an air channel. According to the device, air is blown into the crushing box through the air channel, dust of plastic waste is blown away, and heat dissipation of the first crushing roller and the second crushing roller can be accelerated.

The invention provides waste recovery equipment for production of a wind power blade rear edge die assembly cushion block. The plastic processing waste recycling device comprises a processing frame, a bottom plate, a smashing mechanism and a pushing assembly. A waste receiving plate is mounted at the inner bottom of the machining frame, and a belt conveyor is mounted on the upper surface of the bottom plate and located below the waste receiving plate. The material pushing assembly is located in the waste material receiving plate and comprises a pushing plate and a lifting frame, the pushing plate is slidably connected to the inner wall of the waste material receiving plate, and the lifting frame is installed above the pushing plate. Therefore, the height range of the push plate can be prolonged by controlling the lifting frame to ascend through the guide wheels, accumulated plastic waste can be pushed, the waste is prevented from leaking and spilling from the top of the push plate, the accumulated waste can be treated, and meanwhile the requirement that the machining frame can machine more products at a time can be met.

Systems and methods are provided for conversion of polymers (such as plastic waste) to olefins and / or feedstocks that can be further processed for formation of olefins, fuels, and / or other products. The systems and methods can include an optional thermal dehalogenation stage followed by an initial pyrolysis stage where a plastic feedstock is at least partially converted to lower boiling products. Prior to, during, and / or after the pyrolysis stage, one or more contaminant removal stages can be used in order to reduce the content of halides and / or other contaminants in the pyrolysis effluent. This can allow at least a portion of the pyrolysis effluent, such as a gas phase portion and / or a liquid phase portion of the pyrolysis effluent, to have a sufficiently low contaminant content to be used as part of a feed to a conventional petrochemical process.

The invention discloses a plastic particle mixer for cable material processing, and relates to the related technical field of plastic waste recycling, the plastic particle mixer comprises an arranged mixing box, two groups of feeding hoppers are arranged on the mixing box, the lower parts of the feeding hoppers are communicated with the top of the mixing box through feeding pipelines, and a driving box is mounted on the mixing box; a motor is arranged in the driving box, the output end of the motor is connected with a rotating shaft, the rotating shaft is connected into the mixing box in a penetrating manner, a stirring structure is mounted on the outer side of the rotating shaft, the stirring structure comprises a stirring part and a scraping plate which are mounted on the outer side of the rotating shaft, and a gas conveying assembly is mounted on the outer side of the rotating shaft. According to the plastic particle mixer for cable material processing, the stirring structure rotates in the mixing box to mix particles, input recycled plastic particles are scattered through cooperation of gas, the problem of uneven mixing caused by particle aggregation is avoided, and the overall mixing efficiency is improved.

The invention discloses a marine-derived carboxylesterase and an application of the marine-derived carboxylesterase in degradation of PET (Polyethylene Terephthalate) plastics. The amino acid sequence of the enzyme is as shown in SEQ ID NO.1, experiments show that Tm of RbCE1 is 79.5 DEG C, 40 mM of depolymerization monomers can be generated after the enzyme treats low-crystallinity PET powder at 60 DEG C for 4 hours, the catalytic activity is equivalent to that of LCC, and good degradation activity is shown. Through escherichia coli heterologous expression, 0.4 g / L high expression quantity can be achieved in a shake flask, and the potential of remarkably reducing the enzyme production cost is achieved. Therefore, the novel carboxylesterase RbCE1 is suitable for degrading PET plastics and composite materials thereof, and is a potential enzyme preparation for efficient biological catalysis of a waste PET plastic waste enzymatic depolymerization recovery treatment process.

The invention belongs to the field of PET (polyethylene glycol terephthalate) plastic waste treatment, and particularly relates to preparation of a copper oxide-nickel hydroxide core-shell structure catalytic material and application of the copper oxide-nickel hydroxide core-shell structure catalytic material to preparation of high-added-value formic acid by upgrading electro-catalysis PET plastics, and the preparation method comprises the following steps: (1) placing a copper conductive substrate in an alkali etching mixed solution for alkali etching treatment, obtaining a conductive substrate on which a Cu (OH) 2 precursor grows; (2) placing the conductive substrate on which the Cu (OH) 2 precursor grows in a muffle furnace for heat treatment to obtain a conductive substrate on which CuO nanowires grow; and (3) placing the conductive substrate on which the CuO nanowire grows in a hydrothermal kettle, and obtaining the CuO-coated Ni (OH) 2-x core-shell structure catalyst through a hydrothermal method.

The utility model relates to the technical field of plastic waste treatment, in particular to a device for separating plastic products from waste. Comprising a crushing box, a crushing assembly and an auxiliary assembly, the auxiliary assembly comprises a screening box, a sealing plate, a mounting frame, a screen, a water tank, a fluted disc frame, a filtering cover, a positioning plate, a waterproof motor, a driving gear, a transverse plate, a magnetic rod and a vibration component, and after plastic is crushed through the crushing assembly and screened through the screen, plastic particles capable of passing through the screen fall into the filtering cover; furthermore, a waterproof motor is controlled to act, a driving gear is driven to rotate, finally, a fluted disc frame rotates, a filtering cover can rotate, after rotation, clean water is sprayed into the filtering cover through a water spraying pipe, then the plastic part can be cleaned, and finally sewage is discharged by opening a discharging valve on a water tank. And therefore, the problem that secondary utilization of the plastic waste is affected due to the fact that silt on the surface of the plastic waste cannot be removed after the plastic waste is crushed and screened by an existing device can be solved.

The invention discloses a plastic waste recycling device and belongs to the field of plastic recycling, the plastic waste recycling device comprises a conveying belt, supporting frames are arranged on the two sides of the conveying belt, a treatment bin is fixedly connected to one sides of the supporting frames, a crushing assembly is arranged at the bottom of the treatment bin, and a magnetic separation assembly is arranged in the middle of the interior of the treatment bin. Metal blocks contained in plastic waste can be attracted by the electromagnet set, plastic can sequentially pass through the electromagnet set to enter the next link, the situation that the metal blocks damage metal parts in follow-up core equipment is avoided, the safety of the follow-up equipment is effectively improved, and the operation and maintenance cost of the equipment is reduced; under the condition that equipment does not stop working, different electromagnet sets can be rapidly switched back and forth to work, metal blocks on the surfaces of the electromagnet sets moved out of the treatment bin can be collected and treated, equipment stop is avoided, the work progress is accelerated, and the workload of workers is reduced.

The utility model discloses a plastic waste recovery processing device, which relates to the technical field of plastic recovery equipment, and comprises an operation platform and a recovery box arranged on the operation platform, a crushing cavity used for recovering and crushing waste plastics is arranged in the recovery box, and a crushing assembly used for crushing the waste plastics is arranged in the crushing cavity. Through the arrangement of the filter plate, plastic particles can be screened, so that qualified particles can directly flow out of the crushing cavity through the guide-out opening, and unqualified particles can be remained on the filter plate and then are guided out by the auger blade for secondary crushing, so that the crushing quality of waste plastics is improved; meanwhile, in the rotating process of auger blades, plastic particles accumulated on a filter plate can be pushed aside, qualified particles are prevented from being carried into a re-pulverizing channel, in addition, through arrangement of mounting protrusions and mounting bolts, the filter plate and a recycling box are detachably connected, and workers can replace the filter plate in a pulverizing cavity at any time conveniently.

The invention discloses a micro-plastic degrading bacterium P.ataveovii and application thereof, and belongs to the technical field of microorganisms. According to the invention, a strain of Priestia aryabhattai BK12 is separated and screened from plastic wastes, and the plastic degradation capability of the Priestia aryabhattai BK12 is deeply explored. A research result shows that the P.avenae BK12 can be used for efficiently degrading the PET (Polyethylene Terephthalate), and the P.avenae BK12 can be used for efficiently degrading the PET (Polyethylene Terephthalate), so that the P.avenae BK12 can be used for efficiently degrading the PET (Polyethylene Terephthalate). The invention provides a new microbial resource for the development of a plastic degradation agent, contributes to promoting the development of a biodegradable plastic technology and solving the problem of environmental pollution caused by PET, and assists in realizing the goal of green and sustainable development.

A plastic recycling method for processing plastic waste, including providing a plastic waste mixture stream having, on the one hand, a variable proportion of 2D material and a variable proportion of 3D material and, on the other hand, an inhomogeneous density distribution, the proportions varying over time. Washing both proportions of the plastic waste mixture stream together. Shredding both proportions of the plastic waste mixture stream together while supplying a cleaning fluid. Density-based separation of the plastic waste mixture stream into at least two fractions, wherein the separation is performed as a function of a predeterminable density separation cut; and for at least one of the separated fractions: separating the fraction of 2D material and the fraction of 3D material from each other.

The invention discloses a plastic waste recycling device and belongs to the technical field of plastic waste recycling, the plastic waste recycling device comprises a recycling box body, the interior of the recycling box body is of a hollow structure, and a sliding groove and a through groove are formed in the two sides of the bottom of the recycling box body in a penetrating mode respectively; a self-adaptive waste characteristic crushing assembly is arranged in the recycling box and used for treating different types of plastic waste and improving the recycling efficiency, and a screening assembly is arranged at the bottom of the self-adaptive waste characteristic crushing assembly and used for screening and classifying the treated different types of plastic waste. By adopting the self-adaptive waste material characteristic crushing assembly and the material screening assembly, the crushing and screening processes can be adjusted in a self-adaptive manner, so that different types of plastic waste materials can be separated more accurately, mixing of different materials is avoided, it is ensured that the purity of recycled materials is higher, and subsequent processing and utilization are facilitated.

A system for mechanically recycling a plastic waste stream can include first and second size reduction units, a washing system, a drying system, and an extrusion unit. The first and second size reduction units can respectively receive and shred first and second plastic waste streams to respectively produce first and second shredded plastic waste streams. The washing system (positioned downstream from the first size reduction unit) can receive and wash the first shredded plastic waste stream to produce a washed plastic material stream. The drying system (positioned downstream from the washing system) can receive and dry the washed plastic material stream to provide a dried plastic material stream. The extrusion unit (positioned downstream from the drying system and the second size reduction unit) can receive, melt, and extrude the dried plastic material stream and / or the second shredded plastic waste stream to produce a mechanically recycled plastic material.

The invention discloses a waste recovery device for plastic processing and a use method thereof, the waste recovery device is applied to the technical field of plastic waste recovery, a pre-crushing-secondary crushing-re-crushing multi-stage crushing system is constructed through a multi-stage crushing structure and a sorting crushing structure, latticed sawtooth crushing teeth of a pre-crushing cavity are matched with a pressing assembly, and the crushing efficiency is improved. The waste materials are subjected to preliminary multi-directional extrusion shearing; a large-diameter crushing roller and a small-diameter crushing roller in the secondary crushing assembly rotate at a differential speed to generate tearing force for further refining and crushing; spiral blades of the re-crushing assembly cooperate with fixed teeth to treat the sorted and intercepted large-size materials again, the multi-stage progressive crushing mode can adapt to plastic waste materials with different hardness and forms, and compared with traditional single-stage crushing, the crushing efficiency and uniformity are greatly improved, material residues which are not crushed or are not fully crushed are reduced, and the service life of the plastic waste materials is prolonged. And the quality of recycled materials is improved.

The invention relates to the field of waste recovery, and discloses environment-friendly solid waste recovery treatment equipment which comprises a linkage crushing mechanism located on an input guide mechanism, and the linkage crushing mechanism is matched with a feeding volute, an edge ring sleeve, a linkage gear, a second embedded cylinder sleeve and an extension ring structure of a center shaft sleeve to be used for crushing plastic solid waste; the linkage conduction mechanism is located on the net-shaped tank body and matched with the first embedded cylinder sleeve and the bottom ring to be used for intermittently conveying the crushed solid waste, and the irregular conical block and the V-shaped limiting groove are used for forming intermittent rotation driving force for spiral conveying. And through the input guide mechanism mounted at the top of the external tank body and the linkage crushing mechanism in the external tank body, the plastic waste can be quickly fed into the crushing system to be refined. Wind power generated by the central adsorption mechanism further pushes the waste to be conveyed and crushed, and the waste is crushed twice or more in the linkage crushing mechanism.

The invention provides a paper pulp molding waste recycling device, and relates to the technical field of molding waste recycling. Two crushing rollers are rotationally arranged on the crushing box, the two crushing rollers are meshed with each other, a first gear is welded to a rotating shaft of each crushing roller, and the two first gears are meshed with each other; a base is welded to the left end of the smashing box and is of an L-shaped structure, a first motor is fixed to the base, and an output shaft of the first motor is fixed to a rotating shaft of the smashing roller on the front side. When a gear rotates, the gear pokes a stress rod to enable two shearing plates to move back and forth in a reciprocating mode, molding waste is pre-sheared, follow-up smashing work is facilitated, the waste can be preliminarily treated into the shape easier to smash, the overall smashing efficiency is further improved, and the problems that the smashing structure is single, and the smashing efficiency is high are solved. The problems that the crushing effect on the large wood-plastic waste is not thorough enough, waste fragments cannot be screened after crushing, and the crushed large waste cannot be crushed again are solved.

Systems and methods are provided for co-processing plastic waste in a coker as part of an integrated refinery environment that produces kerosene, jet fuel, and / or jet fuel blending components as a product. The co-processing can be performed in a fluidized coker, a delayed coker, or a combination of fluidized cokers and delayed cokers. After coking, hydroprocessing can be performed on one or more portions of the coker effluent that contribute to formation of the kerosene, jet fuel, and / or jet fuel blending component product(s). The hydroprocessing can be used to reduce or minimize the presence of unexpected nitrogen contaminants in the resulting kerosene, jet fuel, and / or jet fuel blending component product(s).

The invention is suitable for the technical field of plastic waste recycling, and provides plastic fragment recycling pretreatment equipment which comprises an operation barrel, core assemblies are a fine crushing assembly and a coarse crushing assembly, the fine crushing assembly is composed of an outer crushing barrel and an inner crushing seat, the upper end of the outer crushing barrel is rotationally connected with the top of the operation barrel, and the lower portion of the outer crushing barrel is conical; the inner material crushing seat is used for fixing the long sleeve through a connecting rod and is in transmission connection with the outer material crushing barrel through a planetary gear assembly; a lifting driving assembly installed at the bottom of the operation barrel can drive the inner material crushing base to ascend, descend and rotate, so that the outer material crushing barrel reversely rotates relative to the inner material crushing base. The coarse crushing assembly is located at the top of the operation barrel, supported through a lifting piece, adjustable in height and used for guiding the crushed materials to the top of the inner crushing base. Through an adjustable crushing precision regulation and control mechanism, the uniformity of processed plastic fragments is effectively improved, and favorable conditions are created for subsequent recycling.