6036 results about "Mixing effect" patented technology

The invention relates to the technical field of reagent detection, and discloses a reagent detection device and a using method thereof.The reagent detection device comprises a fixing base, a supporting base is arranged on the outer side of the fixing base and driven by a motor in the fixing base, a plurality of reagent mixing mechanisms are installed on the supporting base, and each reagent mixing mechanism comprises a first rotating sleeve; the end part of a rotating shaft of the first rotating sleeve is connected with a support frame, a second rotating sleeve is rotationally arranged in the first rotating sleeve, and the second rotating sleeve is used for clamping a reagent tube. According to the reagent detection device, when a supporting seat rotates, a first transmission gear is in intermittent contact with an arc-shaped rack, so that a first rotating sleeve drives a reagent tube to perform inclination state adjustment, and meanwhile, a second transmission gear is meshed with a fixed gear ring to generate rotation, so that the second rotating sleeve drives the reagent tube to quickly rotate; therefore, the reagent tube rapidly rotates in an inclined state to drive the solution in the reagent tube to roll over, so that the solutions at different heights are mixed and exchanged, and the mixing effect of the solutions is improved.

The invention relates to the technical field of material mixing, and particularly discloses a glass lining conical mixer which comprises a mixing cylinder, a filter sieve and a driver are arranged in the mixing cylinder, a stirring mechanism is arranged in the mixing cylinder, and the stirring mechanism comprises a plurality of adjusting assemblies, a plurality of bases and stirring paddles rotationally installed on the bases around the horizontal axis. The multiple bases are evenly distributed around the axis of the mixing barrel, the multiple adjusting assemblies are used for driving the bottoms of the bases to be at different heights so that the stirring paddles can be spirally distributed in the vertical direction, elastic parts for applying force to the stirring paddles to enable the stirring paddles to rotate to be in an inclined state are arranged on the bases, and the driver drives the filter screen to ascend. The filter sieve pushes each stirring paddle to rotate to a horizontal state, meanwhile, each base ascends and extrudes the adjusting assembly, and the filter sieve and each stirring paddle extrude and crush agglomerated materials. According to the glass lining conical mixer, the situation that materials in the mixing cylinder are caked can be avoided, and the mixing effect of the materials is improved.

The invention discloses a tailor-welding method for 1500Mpa grade aluminum-silicon coating hot forming steel, which comprises the following steps of: splicing plate materials to be welded together, and fixing through a tool clamp; under the protective atmosphere, welding wires are fed into the splicing gaps of the to-be-welded plate materials in a front wire feeding mode, and laser tailored blank welding is conducted through a laser; in the laser tailored blank laser welding process of the laser device, a laser beam advances along a welding seam in a swinging mode, and the swinging mode is circular, infinite, linear, sinusoidal, equilateral triangle, oval or rhombic circulating swinging. And carrying out heat treatment on the welded plate and then quenching. In the laser filler wire tailor-welding process, different forms of laser stirring paths and different welding process parameters are set, the liquidity of a molten pool is effectively improved, the mixing effect of metal liquid is enhanced, and components and organizations of a welding seam are distributed more evenly; meanwhile, formation of welding air holes is reduced, crack sensitivity is reduced, and the quality and performance of a welded joint are improved.

The mixing device comprises a powder hopper, a pre-mixing pipe, a high-pressure water pipe, a high-pressure pump, a machine body and a shearing emulsification pump, the powder hopper is connected with the pre-mixing pipe, the pre-mixing pipe is connected with the shearing emulsification pump, and the outlet side of the shearing emulsification pump is connected with a finished product output pipe; the water outlet end of the high-pressure water pipe is nested in the premixing pipe to form an annular powder channel, and the water inlet end of the high-pressure water pipe is connected with the high-pressure pump; a powder channel on-off mechanism is arranged outside the high-pressure water pipe; a kinetic energy collecting and stirring mechanism is arranged in the lower end of the high-pressure water pipe. The invention also comprises a mixing method of S1-S6. An annular powder channel is formed between the high-pressure water pipe and the pre-mixing pipe, dry powder can be annularly and uniformly distributed in the circumferential direction of the high-pressure water pipe through the annular powder channel, the dry powder is continuously and circumferentially sucked in through the Venturi effect generated when high-pressure water passes through the tail end of the high-pressure water pipe, the contact between the dry powder and water is larger, caking is more likely to be generated, and the dry powder is more stable. The online dry powder mixing device has a better online dry powder mixing effect.

The invention discloses a stirring and mixing device for a high-viscosity medicinal preparation, and belongs to the technical field of medicinal preparation production.The stirring and mixing device comprises a base, and by arranging a driving unit, the position of a stirring straight plate can be changed in the process that the stirring straight plate stirs raw materials, so that the mixing effect of the raw materials is improved; a stirring straight plate corresponding to a first lifting sliding plate can be moved to the position where the axis of the mixing cylinder is located, and therefore the situation that raw materials in the center area of the mixing cylinder cannot be stirred and mixed is prevented; the first lifting sliding plate and the second lifting sliding plate move up and down in the mixing cylinder, so that the mixing effect of the raw materials is further improved, homogeneous mixing of the raw materials can be achieved through mutual cooperation of the stirring assembly, the cleaning assembly and the covering assembly, the mixing effect of the raw materials is improved, and then the quality of the prepared high-viscosity pharmaceutical preparation is improved.

The invention provides a mixed material quality prediction method and device based on a discrete element method and data driving, and relates to the technical field of granular material mixing, the method utilizes the discrete element method to construct a physical simulation model in a mixing process, can accurately simulate mixing behaviors of granular materials in different mixing devices, and covers various process parameters. And a data driving technology is introduced, a machine learning algorithm is utilized, and a large amount of high-fidelity data generated by DEM simulation is utilized to train a prediction model, so that a hybrid model fusing a physical mechanism and data intelligence is constructed. According to the model, the mixing effect index can be quickly and accurately predicted according to the input mixing process parameters, the corresponding optimal process parameters can be reversely predicted, and the production efficiency is effectively improved. The method aims at solving the problems that in an existing material mixing process, optimization depends on experience, efficiency is low, cost is high, and the material mixing effect is difficult to accurately predict.

The utility model relates to the technical field of clothes treatment, and provides a detergent putting device and clothes treatment equipment, the detergent putting device comprises a first water path and a liquid flow channel, the side wall of the first water path is opened to form a liquid outlet, and the first water path comprises a mixing space; the liquid flow channel is provided with a second water outlet end, and at least one of the first water path and the liquid flow channel conveys a detergent mixed solution; and the second water outlet end is communicated with the liquid outlet through the mixing space. The second water outlet end is communicated with the liquid outlet through the mixing space, fluid discharged from the second water outlet end enters the mixing space to be converged and mixed with fluid of the first water path, the mixing effect is improved, and detergent such as washing powder can be dissolved more sufficiently.

The invention relates to the field of process control, and particularly discloses a rubber tube extrusion process parameter optimization system, which comprises an extrusion head design module, a process parameter optimization module and a real-time monitoring module, the extrusion head design module optimizes the flowing path and the material mixing effect by dividing a polymer flowing path into a plurality of layers; the technological parameter optimization module realizes real-time regulation and control on the thickness and the adhesive force of a rubber tube product by optimizing the temperature and the speed in the extrusion process; and the real-time monitoring module monitors the temperature change and pressure distribution of the polymer and the wall thickness of the rubber tube in real time by installing temperature, pressure and thickness sensors at an extrusion head and a screw outlet. By adopting the multi-layer flow channel design, the polymer flow path and the material mixing effect are optimized, and the uneven flow is reduced.

The invention relates to a rotary micro-liquid membrane reactor in-situ detection system for monitoring the nucleation behavior of a nano material. The reactor comprises a rotor and a stator, the base angle of the stator is 70-85 degrees, the rotating speed of the stator is 500-5000 rpm, the width of a slit is 10-500 microns, it is guaranteed that fluid does not backmix when passing through the slit, and a strong shear field is formed. A micro-negative pressure sampler is manufactured to capture nucleation particles in a high-speed shear field to enter a visual observation area, and a high-speed camera and a microscope objective lens are connected in situ, so that an instantaneous image of a nucleation process is obtained in a nano-micro scale, and a transient evolution behavior of a crystal nucleus is captured in situ. The construction of the rotary micro-liquid membrane reactor in-situ detection system solves the problems that the large-scale preparation quality is poor due to the fact that a traditional stirred tank reactor is poor in structure and micro-mixing effect and uncontrollable in material nucleation and growth, and the instantaneous phase transformation and nucleation process cannot be observed due to the fact that the reactor is closed. The obtained hydrotalcite nucleation result enriches the non-classical nucleation theory, and provides guidance for large-scale preparation of nano materials.

The invention discloses copper-containing waste liquid treatment equipment and a copper-containing waste liquid treatment method, relates to the technical field of waste liquid treatment, and solves the problems that when a stirring roller rotates to stir and precipitate waste liquid, vortex is generally only formed in the center of the equipment, the stirring and mixing effect of the waste liquid and a precipitant is poor, long time is needed for stirring and precipitating operation, and the cost is low. The waste liquid treatment efficiency is low. The copper-containing waste liquid treatment equipment comprises a waste liquid reaction kettle, supporting columns, pretreatment boxes, an integrated stirring and cleaning mechanism and a precipitation screening assembly, the multiple sets of supporting columns are installed at the bottom of the waste liquid reaction kettle, and the pretreatment boxes are installed and positioned on the two sides of the top of the waste liquid reaction kettle through supporting bases. According to the invention, a plurality of vortexes capable of moving can be generated, so that the efficiency of stirring and precipitating the waste liquid and the precipitant is improved. Meanwhile, when the waste liquid and the precipitant are stirred and precipitated, the precipitant can be subjected to stirring pretreatment at the same time, the saturation degree of the precipitant is reduced, and the phenomenon that the local concentration of the precipitant is too high is effectively avoided.

The invention discloses edible mushroom culture medium mixing equipment, and belongs to the technical field of edible mushroom culture medium processing, the edible mushroom culture medium mixing equipment comprises a shell, a discharge valve is fixedly connected to the lower surface of the shell, a motor is fixedly connected to the surface of the shell, a transverse plate is fixedly connected to the inner wall of the shell, and a connecting shaft is rotatably arranged in the transverse plate; a pipe sleeve is movably arranged on the lower surface of the connecting shaft, and mixing blades are fixedly connected to the surface of the pipe sleeve; a connecting rod is slidably arranged in the transverse plate, and the lower surface of the connecting rod is fixedly connected with a shifting plate moving in the horizontal direction. The upper portion of the shell is of an open structure, during working, raw materials are added into the shell, the motor is started at the same time, when the motor works, the belt pulley drives the connecting shaft, the pipe sleeve and the mixing blades to rotate, meanwhile, the pipe sleeve and the mixing blades move in the vertical direction, the mixing effect is optimized, and the finished product quality is better.

The invention discloses a laterite nickel ore leachate extraction tower which comprises an extraction tower body, a heavy phase feeding mechanism, a light phase feeding mechanism, a baffle mechanism and a gas distribution device, the extraction tower body comprises a tower body, a containing cavity is formed in the tower body, and an upper clarifying groove is formed in the top of the tower body; the baffle mechanism comprises at least one movable baffle arranged in the tower body and a lifting driving piece, and through holes are densely distributed in the movable baffles. A heavy phase and a light phase are promoted to be mixed in an air floatation mode, and meanwhile, the lifting driving part drives the movable baffle to move up and down, so that the movable baffle is always located in the light phase in the tower body and located in a preset height range above an interface of the light phase and the heavy phase. When a heavy phase upwards penetrates through each through hole in the movable baffle, the heavy phase is dispersed into small liquid beads, so that the heavy phase is in full contact with a light phase above, the mixing effect is improved, and the extraction efficiency is improved.

The invention belongs to the technical field of plastic recycling, and discloses a plastic recycling device with a cleaning function, which comprises a base, a crushing assembly is fixedly mounted on the left side of the top end of the base, a cleaning assembly is fixedly mounted on the right side of the top end of the base, and a dewatering assembly is mounted on the position, close to the left side, of the top end of the cleaning assembly. A main shaft is movably installed between the smashing assembly and the dewatering assembly, and a driving assembly located between the smashing assembly and the dewatering assembly is installed in the middle of the outer side face of the main shaft. After cutting and smashing of plastic waste are completed, high-speed contact between water flow and plastic particles can be achieved through cooperation of mechanical power of the plastic waste and input high-pressure water flow, and flying dust generated during smashing of the plastic waste is subjected to rapid dust falling through the mixing effect of the high-pressure water flow and mixed with clear water; meanwhile, dirt on the surfaces of the plastic particles can be rapidly removed, the automatic cleaning process of the plastic particles is achieved, and the recycling effect is improved.

The utility model discloses a stirring and fusing device for an anti-bacterial and bacteriostatic material and resin miscible raw material carrier, which comprises a stirring box, a supporting shell, a supporting column, a cleaning frame, a stirring assembly, a rotating mechanism and a lifting mechanism, wherein a feeding bin is arranged on the stirring box in a communicating manner, a discharging opening is formed in the side wall of the stirring box, and a discharging control valve is arranged in the discharging opening; the supporting shell is rotationally arranged on the stirring box, a supporting opening is formed between the inner bottom wall of the supporting shell and the stirring box, a supporting plate is arranged in the supporting shell in a sliding mode, the supporting column is rotationally arranged on the supporting plate, the supporting column penetrates through the supporting opening and extends into the stirring box, and cleaning frames are fixedly arranged on the two opposite side walls of the supporting column. The stirring and fusing device for the antibacterial and bacteriostatic material and the resin miscible raw material carrier solves the problem that in the prior art, the mixing effect of the antibacterial and bacteriostatic material and the resin miscible raw material carrier in a stirring box is low.

The invention relates to the technical field of preparation devices, and discloses a solid electrolyte preparation device which comprises a shell, a supporting table is fixedly connected to the circumferential surface of the shell, and a discharging pipe is fixedly connected to the circumferential surface of the shell; the device comprises a shell, a protective cover is arranged at the top of the shell, a stirring device is arranged at the top of the shell, a crushing device is arranged on the inner wall of the shell, and a dredging device is arranged on the inner wall of the shell. And meanwhile, the rotating rod rotates to drive the rotating plate II to rotate, so that the mixing effect of the electrolyte powder can be enhanced, and the chemical reaction of the electrolyte powder can be uniformly generated in the whole material system in the subsequent sintering reaction process.

The invention discloses an SCR denitration ammonia spraying system, and relates to the technical field of SCR denitration, the SCR denitration ammonia spraying system comprises a plurality of ammonia spraying assemblies and a plurality of flow dividing assemblies in one-to-one correspondence with the ammonia spraying assemblies, the ammonia spraying assemblies are installed on a first supporting frame, and the flow dividing assemblies are installed on a second supporting frame. The spraying direction of the ammonia gas is in the same direction as the flowing direction of the flue gas, so that local non-uniformity caused by impact and turbulent flow between two gas flows is avoided, and the mixing effect of the ammonia gas and the flue gas is jointly improved by arranging the plurality of shunting assemblies.

The utility model discloses a melt blending extrusion device which comprises a mixing tank and an extrusion assembly, and the extrusion assembly is arranged below the mixing tank; a stirring shaft is arranged in the mixing tank, the first stirring spiral blade is arranged on the stirring shaft, a plurality of rotating shafts are movably connected with the lower part of the stirring shaft in the mixing tank at equal angles, and second stirring spiral blades are arranged on the rotating shafts. In conclusion, the material mixing device overcomes the defects in the prior art, is reasonable in design, can push materials in the middle of the material mixing tank downwards and diffuse the materials outwards, avoids precipitation or layering of the materials in the mixing process, improves the mixing effect, and has high social use value and application prospects.

The invention discloses homogeneous stirring equipment for preparing cold water fish feed grease, and relates to the technical field of stirring, and the homogeneous stirring equipment comprises a bin body mechanism. According to the homogenizing and stirring equipment for preparing the cold water fish feed grease, through the design of the bin body mechanism, materials enter from the top of the processing mechanism, circulate and enter the bin body shell, then a motor is started, a central rotating shaft is controlled by the motor to rotate, and the interiors of the materials are rotated by paddle plates, so that the effect of mixing the materials is achieved; through the design of the multiple paddle plates, the stirring range is enlarged, the mixing efficiency is improved, the uniform mixing effect is achieved, the paddle plate grooves are formed, the rotating efficiency is improved through the grooves, the grooves can disturb boundary layers on the surfaces of the paddle plates, resistance is reduced, the flowing efficiency of fluid is improved, and therefore the stirring effect of the paddle plates in the fluid is enhanced; cavitation and cavitation phenomena are reduced, the possibility of generating cavitation and cavitation under high-speed movement is reduced, and the service life of the paddle board is prolonged.

The burner comprises a burner body, a premixing valve body is arranged on the burner body, two mixing cavities are formed in the premixing valve body, and the two mixing cavities are communicated with the premixing valve body. An in-turn pushing piston assembly used for pushing out gas in the two mixing cavities in turn is arranged between the two mixing cavities, the combustor mixes fuel gas and air through the two premixing cavities, and in the mixing process, the mixing effect is more obvious through rotation of stirring blades and compression of the gas; valves for automatically closing or opening the corresponding cavities are arranged, so that when the corresponding cavities send out the mixed gas, feeding of air and fuel gas is stopped; according to the gas mixing device, the mixing quality is guaranteed, the structure is simple, the two cavities compress and stir air and gas in turn, the mixing effect is improved, meanwhile, continuous output of mixed gas can be guaranteed, the utilization rate of the gas is increased, and waste of the gas is reduced.

The invention belongs to the technical field of plate production management, and particularly relates to a multicolor quartz stone plate production feeding system which comprises a formula input module, a feeding control module, a raw material input monitoring module, a matching accuracy analysis module, a raw material mixing evaluation module and a feeding management center. The raw material formula is sent to the material supply control module through the formula input module, the material supply control module controls automatic conveying of various raw materials based on the raw material formula, the raw material proportioning accuracy is analyzed after conveying of the various raw materials is completed, a stirring machine is started and operated through the material supply control module when a proportioning high-accuracy signal is generated, and the raw material proportioning accuracy is improved. And when stirring is finished, the materials at a plurality of positions in the stirring machine are sampled and detected, and the raw material mixing effect is accurately evaluated, so that the adverse effect on the quality of the produced quartz stone plate is reduced, the operation management difficulty of management personnel is remarkably reduced, and the automation and intelligence degrees are high.

According to the helical ribbon vacuum drying machine with the pre-stirring structure, a feeding pipe is arranged at the upper end of a top cover, a conical barrel is arranged at the upper end of the feeding pipe, a motor is fixedly arranged on one side of the conical barrel, a shell is fixedly arranged above the conical barrel, and a second rotating shaft is rotationally arranged at one end of the shell; a driven block located in the shell is arranged at the top end of the second rotating shaft, a driving block located in the shell is arranged at the output end of the motor, the second rotating shaft can drive the stirring rod and the material conveying screw rod to rotate, and the stirring rod can provide a pre-stirring effect on materials in the conical barrel in the rotating process; and materials which are bonded into blocks can be crushed before being added into the tank body.

The invention relates to a four-flight screw element for a multishaft screw machine with screw shafts rotating in the same direction and at the same speed. The two screw elements according to the invention, which are located opposite each other directly adjacent on two directly adjacent screw shafts, practically clean each other in pairs. The invention also relates to the use of the screw element according to the invention in a multishaft screw machine and to a multishaft screw machine which is equipped with a pair of screw elements according to the invention, as well as to a method for the extrusion of plastic or viscoelastic masses using the screw element according to the invention.

The invention provides a single-screw pulse extrusion device with a self-cleaning function and self-meshing extrusion equipment. The extrusion device comprises a screw and a machine barrel, the screw rod is arranged in the machine barrel in a penetrating mode, the screw rod is meshed with the machine barrel, the cross section of the screw rod is in a reuleaux triangle shape, the molded line of the end face of the machine barrel is a fillet square hole formed by rotation of the reuleaux triangle, and the square hole reversely sweeps in the machine barrel in the axial direction to form a screw groove; in the machine barrel, the materials generate periodic volume change along with rotation of the screw rod, and the materials are pushed to move; in the operation process of the screw rod, compression and expansion circulation of materials is achieved, through the pulsation extrusion effect, the melting, mixing and exhausting efficiency is improved, and the melting, plasticizing and mixing effects of the materials are improved; meanwhile, efficient meshing of the inner surface of the screw and the inner wall of the runner is ensured, and the self-cleaning effect is achieved.

The utility model relates to a mineral wool sandwich board PIR edge sealing production system which comprises a white material storage tank, a pentane storage tank, an on-line cutting precision mixer, a transition tank, a black material storage tank and a mixing head. Due to the fact that the using amount of edge sealing materials is small, the mixing effect of polyester and pentane is affected, and edge sealing sandwich boards with high fire resistance cannot be manufactured, the system cuts, extrudes, impacts and disperses white materials and pentane in the mixer by increasing flow feeding, and the mixing effect is improved. Due to the fact that the premixing white material amount consumed by the mixing head is small, discharging of the mixing head cannot be interrupted, and the output of the premixing white material is different from the premixing white material amount consumed by the mixing head, in order to achieve flow balance of the premixing white material and the premixing white material amount consumed by the mixing head, flow balance is achieved by increasing the premixing white material flow + intermittent feeding = small flow of the mixing head + continuous discharging. The middle transfer transition device caches the premixed white material to solve the problem of uninterrupted discharging of the mixing head so as to achieve continuous production, and the major problem that online mixing foaming cannot be achieved due to small flow of polyester and pentane is successfully solved.

The utility model discloses a multistage mixing device which comprises a pipe body, at least two channel groups which are sequentially communicated and are used for liquid to flow unidirectionally are arranged in the pipe body, each channel group comprises a liquid inlet flow channel, a contraction flow channel, a transition flow channel, a diffusion flow channel and a mixing flow channel which are sequentially connected, the inner diameter of each contraction flow channel is gradually contracted from the liquid inlet flow channel to the transition flow channel, and the inner diameter of each diffusion flow channel is gradually reduced from the liquid inlet flow channel to the mixing flow channel. The inner diameter of the diffusion runner is gradually increased in the direction from the transition runner to the mixing runner; the pipe body is further provided with an air suction flow channel, the air suction flow channel is communicated with the diffusion flow channel located at the most upstream in the liquid flowing direction, and the mixing flow channel in the previous channel set is communicated with the liquid inlet flow channel in the next channel set to form a mixing cavity. Gas and liquid are extruded and fused to pass through the transition flow channel, and the gas and the liquid are collided and torn through at least two times of decompression diffusion, so that mixing is more sufficient and uniform, and the mixing effect is remarkable; the whole structure is simple and the mixing efficiency is high.

The invention discloses a static mixing device for uniformly mixing natural gas and hydrogen and a working method, and relates to the field of mixed hydrogen conveying of natural gas pipelines, and torsion and turbulent flow units are fixed at intervals in each runner hole in the device; the torsion unit comprises a plurality of torsion elements which are sequentially and parallelly overlapped and fixed front and back, each torsion element is formed by fixedly overlapping a first torsion sheet and a second torsion sheet in a vertically symmetrical manner along the central axis of the runner hole, and the turbulent flow unit comprises a plurality of turbulent flow elements which are sequentially and fixedly spliced front and back; each turbulent flow element comprises a transverse turbulent flow part and a vertical turbulent flow part, each transverse turbulent flow part comprises an elliptical central transverse turbulent flow layer and auxiliary transverse turbulent flow layers which are symmetrically distributed along the central transverse turbulent flow layer up and down, and each vertical turbulent flow part comprises an elliptical central vertical turbulent flow layer and auxiliary vertical turbulent flow layers which are symmetrically distributed along the central vertical turbulent flow layer up and down; and the mixing effect and the gas uniformity are obviously improved.

The utility model discloses a rapid cooling device for a graphitization furnace, which is applied to the graphitization furnace and comprises a protective box, the inner wall of the protective box is fixedly connected with the graphitization furnace, the top wall of the protective box is fixedly connected with a water tank, an electric pump is mounted in the water tank, a water suction pipe is mounted on the side wall of the electric pump, and a water outlet pipe is fixedly mounted on the other side wall of the electric pump. The bottom end of the water outlet pipe penetrates through the protection box and extends downwards, the bottom end of the water outlet pipe is fixedly connected with a spiral pipe, and the spiral pipe is arranged on the outer wall of the graphitization furnace in a surrounding mode. The stirring rods drive the vertical rods to rotate, the multiple sets of stirring rods rotate, the material mixing effect is better, the inner wall of the graphitization furnace is cleaned by arranging the supporting rods in cooperation with the scraping plates, it is avoided that impurities are accumulated on the inner wall of the graphitization furnace, the heat dissipation effect of the graphitization furnace is affected, and the heat dissipation effect of the graphitization furnace is better.

The invention discloses a stretching and mixing element for enhancing heat transfer and a screw extruder, the stretching and mixing element for enhancing heat transfer comprises a sleeve, first beads and second beads, the first beads and the second beads are both fixed on the outer wall of the sleeve, and the first beads and the second beads are alternately arranged; the first protruding edges are evenly distributed relative to the circumference of the axis of the sleeve, a first material flow channel is formed by every two adjacent first protruding edges and the outer wall of the sleeve, and third protruding edges are arranged on the first material flow channels. The second protruding edges are evenly distributed relative to the circumference of the axis of the sleeve, two adjacent second protruding edges and the outer wall of the sleeve form a second material flow channel communicated with the first material flow channel, and the side face contour of each second protruding edge is formed by twisting a sine curve by a certain angle in the circumferential direction. According to the invention, the local melt flow direction is changed to generate convective heat transfer, the dispersion distribution mixing effect is enhanced, local temperature rise caused by strong shearing is favorably diffused, and the applicability of the device in materials and processing equipment is widened.

The invention discloses a plastic product particle ingredient circulating mixing and discharging device, and relates to the technical field of plastic products, the plastic product particle ingredient circulating mixing and discharging device comprises a mixing box and a material distributing roller, the mixing box is communicated with a connecting pipe through a feeding pipe, the material distributing roller is rotatably arranged in the connecting pipe, a plurality of material distributing grooves are formed in the material distributing roller, and adjusting plates are slidably arranged in the material distributing grooves; a premixing mechanism is arranged at the upper end of each adjusting plate, a conveying pipe and a mounting shaft are arranged in the mixing box, a grid net plate is fixedly arranged in the middle of a rotating frame in the mixing box, an auger plate is arranged on the mounting shaft, and a screening mechanism is arranged on the conveying pipe. Plastic particles in the material distributing groove are conveniently premixed through the premixing mechanism, so that the mixing effect of the plastic particles is conveniently improved, large plastic particles are conveniently cut and crushed through the screening mechanism, and the plastic particles in the mixing box can be circularly flowed and mixed through cooperation of a conveying pipe and an auger plate.

The invention relates to the technical field of waste gas treatment, and provides a waste gas treatment device for a corrugated paper printing machine, which comprises a tower body, a filter plate, a fixed disc, a supporting disc, a spraying mechanism, a cleaning mechanism and a communicating pipe, a gas inlet pipe is arranged at the bottom end of the side wall of the tower body in a communicating manner, and a gas outlet is formed in the top end of the tower body; the filter plate is fixedly arranged in the tower body, the fixed disc is sealed and fixedly arranged in the tower body, the fixed disc is located on one side of the filter plate, a supporting disc is fixedly arranged on the side, away from the filter plate, of the fixed disc in the tower body, a plurality of ventilation openings are formed in the supporting disc, and the spraying mechanism is arranged on the supporting disc and used for spraying purification liquid on waste gas. The cleaning mechanism is arranged in the tower body and used for cleaning the filter plate, and by means of the technical scheme, the technical problem that in the prior art, the mixing effect of spraying liquid and waste gas is poor in the waste gas spraying and purifying process is solved.