249 results about "Kneader reactor" patented technology

The invention relates to a lightweight electromagnetic wave-absorbing silicone rubber composite material and a preparation method thereof, and belongs to the technical field of electromagnetic shielding materials, the lightweight electromagnetic wave-absorbing silicone rubber composite material comprises the following raw material components by weight: 90-99 parts of mixed silicone rubber, 0.1-4 parts of carbon fiber, and 0.01-2 parts of metallized glass fiber; the preparation method comprises the following steps: mixing the carbon fibers and the mixed silicone rubber by a kneading machine to obtain a mixture, adding the metallized glass fibers to obtain a mixture, and performing two-stage high-temperature vulcanization to obtain the electromagnetic shielding silicone rubber composite material. The prepared silicone rubber composite material has the characteristics of light weight (the density is smaller than 1.18 g / cm < 2 >) and broadband efficient wave absorption, the electromagnetic shielding effectiveness is larger than or equal to 20 dB in the range of 2-40 GHz, the wave absorption loss proportion is larger than 85%, and the silicone rubber composite material is suitable for aerospace flexible electronic devices, 5G communication equipment and other electromagnetic protection scenes sensitive to the weight and has good application prospects. The problems that a traditional electromagnetic shielding material is high in density and insufficient in broadband wave-absorbing performance are solved.

The application discloses a vertical kneader facilitating discharging, which is applied to the technical field of vertical kneaders and comprises a cross beam, a lower barrel body, a base, a stand and a material containing barrel, wherein the bottom surface of the cross beam is provided with a camera at the front part, one side of the stand is fixedly provided with a control center, the front surface of the stand is fixedly provided with a mechanical arm at the middle part, the top structure of the mechanical arm is in the shape of a hammer, support frames are threadedly connected to the two sides of the stand, a turnover assembly is arranged on the support frame, and a groove is formed in the front end of the support frame. The application drives the turnover assembly, so that the turnover output rod drives the trunnion, the trunnion drives the lower barrel body to turn over, the slurry is conveniently poured out, the reinforcing ring provided with a vibrator is arranged, the vibration makes the residual slurry on the inner wall of the lower barrel body flow down, the mechanical arm is arranged to knock the bottom of the lower barrel body, and the residual slurry on the inner bottom of the lower barrel body flows down. The device solves the problem that the kneader is inconvenient to discharge.

The utility model relates to an anti-entrainment kneading machine, which belongs to the technical field of kneading machines and comprises a kneading shell, a top cover is hinged to the top of the kneading shell, a sliding groove is formed in the top of the top cover, a feeding assembly is arranged at the top of the top cover, and the feeding assembly comprises a feeding hopper slidably mounted in the sliding groove. Two control blocks are fixedly mounted on the side face of the feeding hopper, two mounting vertical plates are fixedly mounted at the top of the top cover, and driving assemblies for driving the control blocks to move are arranged on the two mounting vertical plates. According to the anti-involving kneading machine, the slidable feeding hopper is arranged in the sliding groove of the top cover, the driving assembly drives the feeding hopper to move left and right, when materials are kneaded in the kneading shell, a worker puts the materials needing to be added into the feeding hopper, the feeding hopper moves left and right, the materials are evenly put into the kneading shell, and the kneading efficiency is improved.

The utility model discloses a screw extrusion kneading machine convenient for discharging, which belongs to the technical field of screw kneading machines and comprises a screw kneading machine body. The mixing box is fixedly arranged on the screw kneading machine body; the material conveying pipe I is fixedly mounted on the front side wall surface of the mixing box, and a screw rod is arranged in the material conveying pipe I; the filtering mechanism is arranged on the material conveying pipe I; the screening mechanism is arranged on the mixing box; the crushing mechanism is arranged on the screening mechanism; the filtering mechanism comprises a filtering pipe which is connected to the outer wall of the material conveying pipe in a sealing manner; the motor I is fixedly mounted on the bottom wall surface of the filter pipe; and the output end of the motor I extends into the filter pipe. By arranging the filtering mechanism, discharging of products is facilitated, meanwhile, the discharging speed is increased, by arranging the screening mechanism and the crushing mechanism, raw materials can be smashed and filtered, metal contained in the raw materials is removed, the risk of blockage of a filtering cylinder can be reduced, smashed plastic is easier to melt, the melting time can be shortened, and efficiency can be improved.

A method for making a continuous web (N), comprising a step of mixing a first quantity of liquid with a second quantity of dry product in a kneader (100) thus obtaining a mixture having a moisture content of less than 65%, and a subsequent step of forming a continuous web (N) from the mixture. In particular, the step of forming a continuous web (N) provides performing at least one vertical lamination of the mixture, which creates a foliation of the mixture into two layers which diverge from each other relative to a midplane (M).

The utility model discloses a kneading machine dust removal device for CMC production, and relates to the technical field of kneading machine dust removal, the kneading machine dust removal device comprises a fixing frame, the upper surface of the fixing frame is fixedly connected with a supporting frame, the supporting frame is internally provided with a dismounting mechanism, the dismounting mechanism comprises a kneading machine body, the outer surface of the kneading machine body is fixedly connected with the inner wall of the supporting frame, and the outer surface of the kneading machine body is fixedly connected with the inner wall of the supporting frame. The upper surface of the kneading machine body is fixedly connected with four limiting columns, the outer surfaces of the four limiting columns are jointly and slidably connected with a fixing frame, and the inner wall of the fixing frame is fixedly connected with a dust collecting frame. When a worker manually screws a threaded plug pin to rotate, the threaded plug pin can move outwards until the threaded plug pin is rotationally taken down, so that the limiting effect on a movable frame can be relieved, and the worker can turn over the movable frame through a groove in the surface of the movable frame; and the fixed frame and the dust collection frame are directly taken down from the limiting columns through the movable frame, so that the dust collection device can be disassembled.

The present application relates to a production process of para-aramid fiber, in particular to a continuous spinning device and control method of para-aramid fiber. The device comprises: a feeding assembly for providing polymer material; a mixing assembly for mixing the material provided by the feeding assembly; a kneader for mixing the material with concentrated sulfuric acid to form a spinning dope; a spinneret for spinning the spinning dope to form a nascent fiber; a washing machine for washing the nascent fiber; a dryer for drying the washed nascent fiber to form a finished fiber; and a controller for controlling the running state of the spinning device in combination with the control method. The present application improves the feeding method of aramid spinning process, realizes continuous and stable spinning through the combination of different viscosity raw materials, reduces the viscosity requirement of the spinning process on the polymer raw material, and realizes the decoupling of the polymerization process and the spinning process in the existing para-aramid production process.

This utility model discloses a brick and tile kneading machine, belonging to the field of brick and tile processing technology. The brick and tile kneading machine includes a support frame and a cylinder fixedly connected to the support frame. It further includes: a first blade rotatably mounted inside the cylinder via a drive shaft; a drive unit for driving the first blade to rotate is provided inside the cylinder; and a second blade rotatably mounted inside the cylinder via a splined shaft, wherein the second blade is offset from the first blade. A connecting part is provided on the cylinder. When the drive unit drives the first blade to rotate, the connecting part drives the second blade to rotate. This utility model drives both first blades to rotate via the drive unit, and simultaneously drives the second blade to rotate via the transmission at the connecting part. Through three-axis drive, it kneads materials and performs offset kneading, enabling efficient mixing of ceramic tile materials and improving processing efficiency.

The invention provides kneading equipment for hydrogenation catalyst production and processing, and relates to the technical field of chemical kneading equipment.The kneading equipment comprises a kneading machine, a main driving motor and a kneading bin are arranged on the kneading machine, the end of an output shaft of the main driving motor is connected with a transmission case, and the transmission case divides power of the main driving motor into two driving shafts for output; the two driving shafts penetrate through the interior of the kneading bin, two tool bit modules are arranged in the kneading bin, quick connecting modules are installed at the ends of the two tool bit modules, quick detaching modules are arranged between the ends of the two tool bit modules and the driving shafts, the tool bit module close to the front side of the kneading bin is an auxiliary paddle, and the angle of the auxiliary paddle is smaller than that of the main paddle. During operation, the two tool bit modules can cause different shear forces to a compound, so that a better kneading effect can be realized, the kneading capacity is improved, uniform mixing of a catalyst carrier is ensured, the mixing uniformity is remarkably improved, consistent pore distribution of the carrier is ensured, the catalyst activity is more stable, and the device is suitable for a high-end hydrogenation reaction.

The invention relates to the technical field of kneading machines, in particular to a plastic recycling kneading machine capable of being uniformly heated, which comprises a base, a kneading box is mounted on the top surface of the base, a stirring groove is formed in the top surface of the kneading box, a stirring shaft is mounted on the inner side of the stirring groove, and a flip air cylinder is rotatably mounted on the outer wall of the kneading box; a material scraping structure is installed on the kneading box, the material scraping structure comprises a rotating cover, the rotating cover is movably installed on the top face of the kneading box through a hinge, a through opening is formed in the bottom face of the rotating cover, a gear ring is welded to the outer wall of the bottom end of the rotating cover, and the outer side of the bottom end of the rotating cover is sleeved with a fixed ring plate. According to the kneading machine disclosed by the invention, the elastic scraping plate is arranged and can be driven by the electric push rod to move close to the inner wall of the stirring tank, so that materials adhered to the inner wall of the stirring tank can be scraped, the materials are kept being stirred and mixed on the inner side of the stirring tank, the stirring tank can be ensured to uniformly heat the materials, and the kneading effect of the materials is improved.

The utility model discloses a kind of glue-making vacuum kneading machines, it includes jar body, the opening of the jar body is hinged with sealing cover, the exhaust hole of the jar body is fixedly connected with exhaust pipe, the outside and inside of the exhaust pipe are provided with filtering mechanism and collection mechanism;The filtering mechanism includes first electric push rod, first connecting rod, movable filter screen, scraper ring and fixed filter screen, this kind of glue-making vacuum kneading machine, the utility model passes through filtering mechanism, and raw materials in the gas discharged in exhaust pipe are filtered first by fixed filter screen, movable filter screen is filtered secondly to raw materials in the gas discharged, and then avoid and raw materials are directly discharged into air to cause air pollution easily Condition. The utility model passes through collection mechanism, and residual raw materials adhered to the inner wall of exhaust pipe are scraped by scraper ring in descending state, and operating state's suction pump is scraped raw materials and is extracted to the inside of collection box, and collection box is uniformly collected to scraped raw materials.

This invention relates to the field of mixing equipment technology and discloses a high-sealing and high-efficiency mixing and kneading machine. A sealing cover is movably connected to the top of the outer shell of the mixing and kneading machine. A left extrusion box is fixedly connected to the left side of the outer shell near the bottom, and a right extrusion box is fixedly connected to the right side of the outer shell near the bottom. A first kneading screw is movably connected to one side of the inner shell of the mixing and kneading machine, and a second kneading screw is movably connected to the other side of the inner shell of the mixing and kneading machine. By providing the first, second, and third kneading screws, it is beneficial to shear and compress the material during the mixing and kneading process, thereby expelling air from the material and preventing the formation of air bubbles due to excessive air inside, thus improving the kneading quality of the material.

A kneading machine for food doughs includes a kneading bowl, one or more tool shafts rotatably mounted in a housing, a kneading tool attachable to the tool shaft and insertable into the kneading bowl, and a kneading space, each tool shaft being assigned a seal carrier fixed to the housing and which carries a seal arrangement to seal the tool shaft with respect to the seal carrier, the seal carrier being spaced from the tool shaft by a first gap outside the kneading space and which communicates directly with an escape space for food particles escaping out of the kneading space.

The invention relates to the technical field of chemical safety, and discloses a vertical planetary kneader pressure and torque characteristic numerical simulation method, which comprises the following steps: constructing a fluid domain model in a reaction kettle; according to the revolution speed under the planetary motion system, the double-paddle kneading rotation speed under the non-revolution system is corrected, and a rotation speed correction value is obtained; constructing a blade motion parameter equation based on the geometric coordinates of the double blades, the rotation speed correction value and the revolution speed; configuring a dynamic grid for the fluid domain model based on the blade motion parameter equation; based on the rotation speed correction value and the revolution speed, a corrected Reynolds number is obtained, and a flow model matched with the corrected Reynolds number is determined; and performing numerical simulation on the fluid domain model configured with the dynamic grid based on the flow model to obtain pressure and torque characteristic results of the double blades. The beneficial effect is that high-precision simulation is realized.

The invention discloses a wood fiber-based composite material with a tough interface structure and a preparation method thereof, and the preparation method comprises the following steps: 1) mixing a gelatinized starch solution and a waterborne polyurethane emulsion to form a dynamically stable flow equalizing agent; 2) adding the wood fiber and the coconut shred fiber into hydrogen bond alkalinity beta gt; carrying out colloid milling in 0.5 of a solvent to obtain mixed fibers; and (3) uniformly mixing the flow equalizing agent obtained in the step (1) and the mixed fiber obtained in the step (2) by using a kneading machine, putting the mixture into a mold, and carrying out hot press molding to obtain the composite material. The starch solution and the waterborne polyurethane are prepared and compounded to form the flow equalizing agent, the flow equalizing agent is mixed with the pretreated fibers, and the binding material with high strength and high toughness is prepared through kneading and mold forming. The adhesive combines the adhesion of natural starch and the flexibility of waterborne polyurethane, realizes multi-component synergistic enhancement, and has excellent mechanical properties and environmental protection characteristics.

Provided is an epoxy resin composition that imparts excellent impact resistance. Provided is a method for producing an epoxy resin composition, comprising: (1) a step for melting or softening an impact modifier in a kneader; (2) a step for supplying an epoxy resin to the kneader; and (3) a step for dispersing the impact modifier in the epoxy resin in the kneader to obtain an impact modifier / epoxy resin mixture. (4) The method preferably further comprises a step for supplying an epoxy resin to the kneader to dilute the impact modifier / epoxy resin mixture.

The invention provides a novel kneading machine for fine chemical engineering resin adhesive production, and relates to the technical field of resin bonding, the novel kneading machine comprises a piston sleeve mounted on a synchronous frame, a piston rod is slidably connected in the piston sleeve in a sealed mode, an energy storage spring is mounted at the lower end of the piston rod, and a pressing block is connected to the lower end of the energy storage spring; the pressing block is slidably connected into the box body, the upper end of the piston sleeve is communicated with a pressure maintaining pipe, a one-way ring is installed in the pressure maintaining pipe, a one-way ball is installed at the lower end of the one-way ring in an attached mode, and a telescopic pipe coaxial with the pressure maintaining pipe is installed in the one-way ball. The most remarkable innovation of the kneading machine lies in that the pressure adjusting mechanism is introduced, the pressure can be automatically adjusted in different stages of the resin kneading process, in the initial stage of kneading, the system applies large pressure to raw materials through the energy storage spring and the piston assembly, sufficient contact and initial reaction among molecules are promoted, and the design conforms to the resin kneading rule.

To accurately evaluate the physical properties of a kneaded material discharged from a kneader and cooled by a cooler in advance.SOLUTION: An information processing apparatus includes first calculation means for calculating a first physical quantity of a kneaded material inside a kneading machine that kneads a material mixture, based on a setting of a first condition for the kneading machine, second calculation means for calculating a second physical quantity of the kneaded material inside a cooling machine that cools the kneaded material discharged from the kneading machine, based on a setting of a second condition for the cooling machine, and acquisition means for acquiring a physical property of the kneaded material discharged from the cooling machine, using the first physical quantity and the second physical quantity.SELECTED DRAWING: Figure 4

The invention provides an in-situ nano-modified starch-based injection molding material and a preparation method thereof. The preparation method comprises the following steps: firstly, kneading starch and nano-powder in a kneading machine to enable the nano-powder to perform in-situ modification on the starch, then sequentially adding an emulsifier and a coupling agent to perform kneading, finally performing kneading with polypropylene powder and an auxiliary agent, and performing granulation on a mixture through a twin-screw extruder. According to the preparation method, in-situ modification is performed on the nano powder and the starch through the kneading machine, and the nano powder uniformly coats the surfaces of starch particles, so that the thermal stability and the fluidity of the starch particles are improved, yellow spots and black spots generated by oxidation and carbonization in starch processing are effectively reduced, and the appearance is improved.

The application provides a preparation method of activated carbon for polar solvent recovery, comprising the following steps: 1) crushing and drying biomass to obtain biomass powder; 2) taking an activating agent, a surfactant and alcohol to configure a mixed solution, uniformly mixing the biomass powder with the mixed solution, then kneading with a vacuum kneader, and then performing extrusion granulation, hardening, first-stage activation, second-stage activation, cooling, washing and drying to obtain the activated carbon for polar solvent recovery; the activating agent is compounded by a phosphorus aphid derivative and a phosphoric acid solution with a mass ratio of 5-10:100. The application takes biomass as a raw material, takes a phosphorus aphid derivative and phosphoric acid as activating agents, and performs two-stage activation, so that the prepared activated carbon has a large specific surface area, rich pore structure and appropriate surface chemical structure, and exhibits excellent adsorption performance on polar organic solvents such as methanol and ethanol.

The application discloses a method for preparing industrial pallets from waste clothes, which comprises the following steps: obtaining waste clothes, chopped reinforcing fibers and thermoplastic resin, crushing the waste clothes into cloth strips; spraying a modifier on the cloth strips and the chopped reinforcing fibers; adding a plasticizer and nanoparticles into the cloth strips, the chopped reinforcing fibers and the thermoplastic resin, and continuously mixing in a mixer for a preset time to obtain a mixed material in a molten state; placing the material in a kneader, extruding the material into a preset mold of a molding machine, increasing the temperature to a preset temperature for low-pressure pre-pressing, rapidly cooling to a crystallization temperature for high-pressure molding, and obtaining the industrial pallets. The method can realize recycling of the waste clothes, change the waste clothes into the industrial pallets with excellent performance, save the raw material cost for manufacturing the industrial pallets, and reduce the environmental bearing pressure.

The present invention provides a kneader equipped with a roving mechanism that allows for the quantitative supply of fiber bundles, regardless of the kneading conditions, during the kneading of a plasticized thermoplastic resin and a fibrous filler. [Solution] A kneader that controls the screw rotation speed of the kneader based on the weight change of the roving. Preferably, the weight change of the roving is measured using a loss-in-weight formula to control the dispensing of fiber bundles and the supply of thermoplastic resin. Preferably, the weight decrease of the fiber bundles of the roving is linked to the supply of thermoplastic resin to the kneader.

The utility model discloses a multifunctional lubricating grease kneading machine, which relates to the technical field of stirring machinery, and comprises a machine body shell, a stirring blade is arranged in the machine body shell, one end of the stirring blade is connected with a speed reducer, one end of the speed reducer is connected with a driving motor, the top of the machine body shell is provided with a feed port, and the feed port is provided with a discharge port. The top of the feeding port is in threaded connection with a sealing cover, the interior of the sealing cover is connected with an injection molding pipe opening, and a one-way valve is arranged in the injection molding pipe opening. Base oil, a thickening agent and other additives can be injected into the machine body shell through the feeding opening, the internal temperature is monitored through the temperature sensor, the temperature in the kneading process is guaranteed through heating of the electric heating rod, and therefore it is guaranteed that all components are fully combined; a second feeding hole and a second sealing cover are arranged, so that a worker can conveniently heat the base oil to a certain temperature and add a thickening agent, a performance reinforcing agent and an additive for mixing in the kneading process, and the use is convenient.

The application discloses a high-speed mixing and kneading machine for solvent-free pressure-sensitive adhesive production, which comprises a rack, a guide frame rotatably connected to the inner wall of the rack, a turnover shaft rotatably connected to the inner wall of the guide frame, a transmission gear ring fixedly installed on the inner wall of the guide frame, a motor installed on the surface of the rack, the guide frame and the turnover shaft being driven by the motor, a turnover frame fixedly installed at the tail end of the turnover shaft, a turnover drum fixedly installed on the surface of the turnover frame, a rubber rolling assembly installed in the turnover drum, and kneading tanks rotatably connected to the two ends of the turnover drum, wherein the surface of one of the kneading tanks is fixedly connected with a material pipe, and the axis positions of the two kneading tanks are slidably connected with a transverse mixing and stirring module and a longitudinal mixing and stirring module respectively. The application can improve the mixing and kneading rate of the rubber material of the kneading machine.

To provide a kneader that can stably and efficiently produce a compound with desired characteristics. [Solution] The present invention is a kneader (D1) comprising a rotating kneading screw (1) and a housing (3) that houses the kneading screw. The kneading screw has an outer circumferential surface (111) extending parallel to the direction of rotation axis, and the housing has an inner wall surface (31) facing the outer circumferential surface and a detection section (33) opening at the inner wall surface. A force sensor (5) attached to the detection section detects, for example, the load or moment exerted by the material to be kneaded flowing between the outer circumferential surface of the kneading screw and the inner wall surface of the housing. Based on the peak value of the vertical stress determined from the output, the viscosity of the material to be kneaded can be measured sequentially.

To provide a production method for a thermoplastic resin composition in which solid contents are appropriately pulverized by performing high-level pulverization simultaneously with kneading while eliminating a need for a filter or a separate pulverization step, and a kneader used in the production method.SOLUTION: There is provided a production method for a thermoplastic resin composition by supplying a thermoplastic resin raw material and solid contents having an average particle size of 50 μm or more to a kneading device kneader having at least one screw 103 and 104 and a casing 105 accommodating the screw. The method comprises a kneading and pulverizing step of kneading the thermoplastic resin composition containing the solid contents and pulverizing the solid contents, wherein the kneading device kneader has clearance regions C1 to C3 of 500 μm or less formed by the screw inside the kneading device kneader.SELECTED DRAWING: Figure 1

The utility model discloses a production device of calcium-based desulfurizer particles, which relates to the technical field of desulfurizer production and comprises a raw material bin, a weighing bin, a mixer, a kneading machine, a disc feeder, a banded extruder, a drying furnace, a finished product bin and a ton-package packaging device. According to the utility model, products are conveyed into the stock bin through the hoister after being produced, and the falling products are buffered and dispersed through the buffering and dispersing structure, so that not only can the situation that the products are broken be effectively reduced, but also the production efficiency is improved, and the production cost is reduced. According to the drying device for the products, the products can be dispersed in the falling process of the products, so that the products are effectively air-dried in the process of falling into the stock bin, the dispersed products can be further air-dried through the arranged ventilator, the product drying effect is further improved, and the production quality of the products is improved.

The utility model relates to the technical field of material mixing, in particular to a mixing and kneading machine with an automatic temperature control mechanism, a heating suite is assembled outside a mixing and kneading tank in a covering manner, a temperature measuring component is assembled inside the mixing and kneading tank in an inserting manner, the heating suite comprises an inner heating pipe, the inner heating pipe is arranged on the outer wall of the mixing and kneading tank in a sleeving manner, and the temperature measuring component is arranged on the inner wall of the mixing and kneading tank. An inner heating pipe is arranged in the tank cover, an outer housing covers the outer part of the inner heating pipe, the inlet and outlet ends of the inner heating pipe are connected and assembled with a mold temperature controller through a liquid inlet assembly and a liquid return assembly, the temperature measuring assembly comprises a temperature measuring insertion column, the temperature measuring insertion column is inserted into the inner side edge of the mixing and kneading tank, and an upper sleeve corresponding to the temperature measuring insertion column is assembled on the side edge of the tank cover; and the upper sleeve sleeves the temperature measuring insertion column, and temperature measuring sensors are uniformly assembled on the surface of the temperature measuring insertion column from top to bottom in sequence. According to the utility model, segmented heating temperature control and temperature measurement operation can be conveniently carried out according to use requirements, so that heating temperature control is more convenient, efficient and accurate, and the control, use and operation effects are improved.

The present application belongs to the technical field of flue gas treatment, and specifically provides a preparation method of non-tar active coke, comprising the following steps: (1) adding phenolic resin powder, carboxymethyl cellulose powder and short glass fiber into pitch in a stirring state to obtain a mixture; (2) mixing bituminous coal and active coke grinding waste coke powder to obtain coal powder; (3) putting the coal powder into a kneader and starting stirring, adding the mixture into the kneader, then adding a Tween aqueous solution, and performing kneading to obtain a kneaded material; (4) granulating and drying the kneaded material, and then performing carbonization and activation to obtain the non-tar active coke. The preparation method uses waste coke under the vibrating screen of the regeneration tower of a desulfurization and denitrification system as the main raw material, and replaces part of the coal to reduce the preparation cost of the active coke. And a step-by-step mixing method is adopted, and a series of high molecular organic materials with different functions are matched to replace tar and improve the environmental friendliness of the preparation process.