445 results about "Kneader reactor" patented technology

The invention discloses ceramic fluorinated silicone rubber and a preparation method thereof. The ceramizable fluorosilicone rubber comprises the following raw materials in parts by weight: 100 parts of fluorosilicone raw rubber, 10-30 parts of fumed silica, 4-8 parts of a structure control agent, 10-20 parts of an organic-inorganic compound fire-resistant filler, 4-10 parts of reinforced fibers, 20-30 parts of a carbon-based ceramic additive and 1-2 parts of a vulcanizing agent. The preparation method comprises the following steps: S1, adding the fluorosilicone raw rubber into a kneading machine, and then adding the fumed silica and the structure control agent to start mixing; s2, adding an organic-inorganic compound refractory filler, reinforced fibers and a carbon-based ceramic additive into the mixed material obtained after mixing in the step S1, and continuously mixing; s3, carrying out vacuum treatment on the material mixed in the S2, cooling the material to room temperature, adding a vulcanizing agent into a double-roller open mill, and uniformly mixing; and S4, performing tabletting vulcanization on the material mixed in the step S3 on a plate vulcanizing machine, and then performing secondary vulcanization in a drying oven to obtain the ceramization fluorinated silicone rubber.

The invention relates to the technical field of sewage treatment, in particular to an MABR hollow fiber composite membrane and a preparation method and application thereof.The preparation method comprises the following steps that raw materials, a reinforcing agent and a dispersing agent are put into a kneading machine to be kneaded for 1-2 hours, a modifying agent is put into the kneading machine, the mixture is heated to 80-120 DEG C and kneaded for 4 hours, and a modified material is obtained; the preparation method comprises the following steps: uniformly mixing a modified material, a catalyst, a cross-linking agent and a solution to prepare mixed slurry with the solid content of 5-40%, coating the slurry on the surface of a hollow fiber tube, and curing to obtain the MABR hollow fiber membrane, so that the mechanical strength of a basic raw material is improved through a reinforcing agent, the membrane is not easy to damage, and the service life of the membrane is prolonged. According to the present invention, the reinforcing agent and other auxiliary agents are uniformly dispersed in the basic raw material through the dispersant so as to reduce defects, the raw material end-capping group is modified through the modifier so as to provide the product with characteristics of aging resistance and good biocompatibility, and the reaction speed is changed during the molding process through the catalyst so as to form the stable membrane structure through the molding cross-linking of the cross-linking agent and the raw material;

The present invention belongs to the technical field of aesthetic edge-sealing adhesives. Disclosed is a method for preparing a high-power mildew-proof dealcoholization type aesthetic edge-sealing adhesive. The method comprises the preparation of an ultra-fine powder, the preparation of a multi-branched cross-linking accelerant, the preparation of an inorganic mixed mildew inhibitor, and material mixing, wherein the material mixing involves adding hydroxyl-terminated polydimethylsiloxane, dimethicone and the ultra-fine powder to a kneading machine for mixing, dehydration and cooling so as to obtain a base material, adding the obtained base material, the multi-branched cross-linking accelerant, methyltrimethoxysilane, dimethyldimethoxysilane, 3-aminopropyltriethoxysilane, the inorganic mixed mildew inhibitor and dibutyltin dilaurate to a high-speed stirrer, and carrying out high-speed stirring. The high-power mildew-proof dealcoholization type aesthetic edge-sealing adhesive prepared in the present invention has good mildew resistance, high tearing strength, and good oil resistance and puncture resistance, is not prone to generating an oily dialysate, and can also improve the adhesiveness, the deep curing speed and the elasticity of the high-power mildew-proof dealcoholization type aesthetic edge-sealing adhesive and reduce the dependence of the extrudability and thixotropy on temperature.

The invention relates to the technical field of kneading machines, and discloses a kneading machine and a kneading method of a silicone rubber material. Comprising a rack and further comprises a reversible kneading frame, a winding mechanism is installed on the kneading frame, an electric heating shell plate capable of being wound and unwound in a reciprocating mode within a set stroke is wound on the winding mechanism, a driven rotating stand is rotationally connected to the kneading frame, and a reciprocating driving component is installed on the rack. The reciprocating driving component is in transmission connection with a vibrating and pinching table capable of moving in a reciprocating mode in the rotating axis direction of the driven rotating frame and a rotatable mandrel, the mandrel is rotationally sleeved with a forward rotating shaft, the forward rotating shaft is rotationally sleeved with a backward rotating shaft, and the forward rotating shaft and the backward rotating shaft are both in linkage with the mandrel. According to the kneading machine, after the vibration kneading table reciprocates, the relative positions of the stirring rod and the spiral kneading blade and the kneading frame are reciprocatingly changed, and cyclic change and cyclic disturbance of the processing position of a silicone rubber material in the kneading machine are realized.

The invention relates to the technical field of kneading machines, in particular to a kneading machine convenient for mixing and heating, which comprises a kneading box, the kneading box comprises two baffle plates, two side plates are fixed between the two baffle plates, the interiors of the side plates are slidably connected with a rectangular frame, one end of the rectangular frame is fixedly provided with a first extrusion plate, and the other end of the rectangular frame is fixedly provided with a second extrusion plate. Two shaft rods are rotationally connected between the two baffles, a plurality of symmetrically-arranged paddles are fixed to the outer sides of the shaft rods, first gears are fixed to one ends of the shaft rods, and two second gears in meshing transmission with the first gears in the corresponding positions are fixedly and rotationally connected to the outer sides of the side plates. According to the device, a shaft rod drives a first gear to rotate, so that a second output wheel drives a transmission rod to push and pull an L-shaped shaft in a reciprocating mode, the L-shaped shaft drives a second connecting rod through a connecting rod to push or pull a rectangular frame in a reciprocating mode, a first extrusion plate pushes raw materials into a kneading box in the process that paddles rotate to knead the raw materials, and the raw materials actively get close to the paddles; the raw material kneading and mixing effect of the paddle is improved.

Disclosed is a method for manufacturing a dry electrode. The method allows determination of the micro-fibrilization degree of a binder resin from the crystallinity of the binder resin. Based on this, the processing conditions of mixed powder for electrode or an electrode film may be controlled. In this manner, it is possible to check and control the processing conditions easily and efficiently. In addition, the method for manufacturing a dry electrode includes a kneading step using a kneader under a low speed and high temperature and pulverization step. Therefore, there is no problem of blocking of a flow path caused by aggregation of the ingredients, which is favorable to mass production.

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 invention provides a migration-resistant piperazine pyrophosphate flame retardant and a synthesis method thereof, and relates to the field of flame retardants. Comprising the following steps: S1, mixing anhydrous piperazine with water, heating, dropwise adding a phosphoric acid solution into a system, performing microwave heating to 80-90 DEG C, and keeping the temperature for 2-3 hours; adding a coupling agent, uniformly stirring, cooling to room temperature, filtering and drying to obtain modified piperazine diphosphate; s2, mixing the modified piperazine diphosphate prepared in the step S1 with a catalyst, adding the mixture into a kneading machine, heating to 180-220 DEG C, reacting for 2-3 hours, cooling and crushing to obtain a piperazine pyrophosphate crude product; s3, uniformly mixing modified montmorillonite, methyl hydrogen-containing silica oil and a coupling agent, then adding the piperazine pyrophosphate crude product in the step S2 and ammonia water, and performing ultrasonic oscillation, uniform mixing, drying and crushing to obtain the piperazine pyrophosphate flame retardant. The piperazine pyrophosphate is subjected to surface modification, so that the bonding strength of the piperazine pyrophosphate and a resin matrix is improved, and the problem that traditional piperazine pyrophosphate is not resistant to flame retardance and migration is solved.

The utility model relates to a silicon rubber discharging and cutting device, which belongs to the technical field of silicon rubber cutting, and comprises a conveyor, a kneading machine body fixedly mounted on the inner side of the conveyor, and a cutting assembly mounted on the conveyor, the cutting assembly comprises a mounting frame fixedly mounted on the inner side of the conveyor. According to the silicon rubber discharging and cutting device, the cutting assembly is arranged, a driving motor is started, the driving motor drives a gear to rotate, under cooperation of a sliding base and a sliding groove, a rack is driven by the gear to drive a movable column to move downwards, a pressing plate is synchronously driven to limit and fix materials on a conveyor, and an electric push rod is started; the electric push rod drives the cutting tool to move downwards, so that limited and fixed materials can be cut, the materials can be accurately cut under the cooperation of the dial gauge and the electric sliding rail, and the arranged conveyor can convey the cut materials, so that the working efficiency is improved.

The invention discloses a silicone rubber plate for blending bone cement and a preparation process thereof, and relates to the technical field of silicone rubber plates, the preparation process comprises the following steps: adding silicone rubber, fluorinated silicone rubber and a double vulcanizing agent into a kneading machine, adjusting roller spacing, preparing into tablets, and vulcanizing to obtain a silicone rubber raw sheet; cutting and forming a silicone rubber raw sheet, and ultrasonically cleaning in ethanol for later use; the preparation method comprises the following steps: treating the surface of a cleaned raw silicon rubber sheet by using a nanosecond laser and performing laser drilling treatment by using a picosecond laser in sequence, then preparing nano silicon dioxide through hydrolytic condensation of ethyl silicate to fill holes, cleaning a drilling area on the surface by using the picosecond laser, and finally performing hydrophobic modification by using hexamethyldisilazane to obtain the super-hydrophobic silicon rubber plate. The preparation method comprises the following steps: carrying out sulfydryl modification on the surface of a super-hydrophobic silicone rubber plate, grafting ammonium bromide on the surface of the super-hydrophobic silicone rubber plate through an ultraviolet sulfydryl olefin reaction, grafting through an L-proline reaction, and finally absorbing nitric oxide to be saturated to obtain the silicone rubber plate for blending the bone cement.

The utility model discloses a double-screw kneading machine for producing polyformaldehyde, which comprises a barrel body, a screw rod, a screw rod, a screw rod, a screw rod, a screw rod, a screw rod, a screw rod, a screw rod and a screw rod, wherein the barrel body extends along the horizontal direction; a feeding hole is formed above one end of the barrel body, and a plurality of vacuumizing holes are formed in the top; the end covers respectively cover two ports of the cylinder body; each screw rotor comprises a rotor shaft, each rotor shaft is sequentially provided with a spiral rolling propelling section impeller, a crushing propelling section impeller, a complete crushing section impeller and a reverse-rotation crushing discharging section impeller from the feeding end to the discharging end, the phase difference of the impellers on the two rotor shafts is 90 degrees, the impellers are matched with each other, and the impellers are matched with the inner wall of the cavity of the barrel; the shaft ends of the two rotor shafts penetrate out of center holes of the end covers respectively, and rotor shaft center cooling hole channels are formed in the shaft ends of the two rotor shafts respectively along the axes. And the heating jacket covers the periphery of the cylinder body and is arranged in sections, and each section is provided with a heating medium inlet and a heating medium outlet. The equipment is high in devolatilization efficiency, low in energy consumption and capable of continuously running for a long time, and the obtained polyformaldehyde product is good in quality.

The continuous anti-blocking discharging structure comprises an outer shell, a conveying assembly, a scraping assembly and a cleaning assembly, a feeding port is formed in the upper end of the left side of the outer shell, a discharging port is formed in the lower end of the right side of the outer shell, the conveying assembly is arranged in an inner cavity of the outer shell, and the scraping assembly is arranged on the lower end face of the conveying assembly. The cleaning assembly is arranged on the right side of the scraping assembly. According to the continuous anti-blocking discharging structure of the kneading machine, materials are continuously conveyed step by step among different steps through multi-stage conveying, so that the discharging speed of the materials is buffered, the discharging speed is prevented from being too high, and meanwhile, blockage or interruption caused by the fact that excessive raw materials are concentrated on one conveying level at a time can be avoided through multi-stage conveying; according to the conveying belt, uniform distribution of materials can be kept, the risk of blockage is reduced, raw materials attached to the conveying belt can be scraped and cleaned in time through the scraping assembly and the cleaning assembly, and the situation that the raw materials are sticky and accumulated too much, and consequently discharging blockage is caused is prevented.

The invention relates to the technical field of membrane separation, and particularly discloses a preparation method and a preparation device of a recrystallized silicon carbide disc membrane, and the preparation method comprises the steps of raw material preparation, burdening, molding and pressing, finishing treatment, sintering treatment and product detection. The preparation device of the recrystallized silicon carbide disc membrane comprises a shell mechanism, a controller and an internal extrusion mechanism, the controller is installed outside the shell mechanism. And the internal extrusion mechanism is arranged below the left side of the shell mechanism. According to the preparation method and the preparation device of the recrystallized silicon carbide disc type membrane, wet material extrusion forming is adopted, and then the recrystallized silicon carbide disc type membrane is processed in a sintering and shaping mode, so that the recrystallized silicon carbide disc type membrane is higher in acid and alkali resistance, corrosion resistance and hardness and has hydrophilic and oleophobic characteristics, and the porosity of the membrane is improved; materials in the kneading machine are automatically cleaned in the extruding step, so that the utilization rate of the materials is increased, and the production cost is reduced.

The utility model relates to the technical field of kneading machines, and discloses a silicon rubber kneading machine discharge port cutting device which comprises a kneading machine body, a discharge port is formed in the front side of the kneading machine body, a base is arranged on the front side of the kneading machine body and located below the discharge port, a groove is formed in the top of the base, and vertical boxes are fixedly installed on the two sides of the base correspondingly; a conveying mechanism is arranged between the groove and one vertical box; a top box is fixedly mounted at the tops of the two vertical boxes, and a motor is fixedly mounted on the inner wall of the top of the top box. Compared with the prior art, the device has the following advantages and effects that by arranging the reciprocating mechanism and the cutting mechanism, the purpose of continuously cutting a rubber material extruded out of the discharging port through a cutter can be achieved, by arranging the conveying mechanism, the purpose of avoiding rubber material accumulation below the discharging port can be achieved, and the purpose of avoiding manual rubber material collection can be achieved; therefore, the purposes of reducing the labor cost and improving the working efficiency can be achieved.

The utility model discloses a high-speed kneading machine for color master batch production, and belongs to the field of kneading machines. Comprising a box body with an open bottom; the base is positioned below the box body; the supporting rod is fixedly connected between the base and the box body; the feeding hole is formed in a top plate of the box body; the two rotating rods are symmetrically and rotatably mounted on the top plate of the box body; the stirring rod is fixedly connected to the bottom of the rotating rod; the driving assembly is arranged on the box body and used for driving the two rotating rods to rotate; the material receiving box is located at the bottom of the box body; the supporting frame is fixedly connected to the base, and the supporting frame is hinged to the material receiving box; the angle adjusting assembly is arranged between the material receiving box and the base; the discharging opening is formed in a side plate of the material receiving box; and the blocking plate corresponds to the discharging opening and is detachably mounted on the material receiving box. The high-speed kneading machine for color master batch production has the beneficial effect that the high-speed kneading machine for color master batch production is provided.

The preparation method comprises the following steps: putting vinyl-terminated silicone oil, fumed silica, MQ resin, enol, a fumed silica treating agent and water into a kneading machine according to a certain proportion and sequence, stirring at room temperature for 3 hours, starting vacuum stirring, heating to 120-160 DEG C, stirring at high temperature for 3 hours, and cooling to room temperature to obtain the low-viscosity high-tear-resistance double-component addition type liquid silicone rubber. After the rubber material is cooled, respectively adding a platinum catalyst to prepare a rubber A, and adding hydrogen-containing silicone oil, polyvinyl silicone oil and an inhibitor to prepare a rubber B; the method is simple in process, the prepared AB glue is low in viscosity and can be used for preparing high-hardness and high-tear silicone rubber products, the main raw materials are low-risk substances, the storage period of the prepared AB glue exceeds 12 months, and the AB glue is colorless and transparent in appearance and good in fluidity.

The utility model discloses a kneader for processing concrete sticky steel glue, which relates to the technical field of kneader and specifically comprises a kneading cavity and a feeding cavity, the feeding cavity is arranged at the top of the kneading cavity, a discharge port of the feeding cavity is communicated with a feed port of the kneading cavity, a feed hopper is fixed at the top of the feed port of the feeding cavity, and a discharge port of the feeding hopper is communicated with a discharge port of the kneading cavity. A first vibrating plate is fixed to the inner wall of the feeding hopper, a rotating rod is movably connected into an inner cavity of the kneading cavity, spiral blades are fixed to the outer ring of the rotating rod, a stirring rod and a scraping plate are arranged between every two adjacent spiral blades, and a cleaning groove is formed below the stirring rod. According to the kneading machine for concrete sticky steel glue processing, through the arrangement of the feeding cavity and the kneading cavity, the feeding hopper and the feeding opening are in a staggered state, when the kneading machine is used, the feeding cavity can shield the feeding opening, the material splashing phenomenon is avoided, then the feeding hopper does not need to be shielded, and feeding is convenient.

The invention relates to the technical field of synthesis of a lithium battery material sodium carboxymethyl cellulose, in particular to a synthesis and preparation method of high-purity lithium battery grade sodium carboxymethyl cellulose, which comprises the following preparation steps: S1, preparing modified montmorillonite; s2, preparing alkali cellulose; s3, etherifying the alkali cellulose; s4, carrying out acidification reaction; s5, carrying out secondary alkalization reaction; s6, carrying out neutralization reaction; and S7, post-processing. Through the application design of the preparation method, the sodium carboxymethyl cellulose raw fiber residues can be improved, and the problems that the uniformity and stability of produced cellulose are poor due to non-uniform heat and mass transfer in the process of a traditional kneading machine method, a filter element is easily blocked due to high content of insoluble substances, and the model switching is frequent due to non-uniform viscosity are solved; the method has the advantages of high product yield, few side reactions, few raw fiber residues, high product stability and the like.

The invention relates to the technical field of silicone rubber, and particularly discloses low-viscosity high-transparency liquid silicone rubber and a preparation method thereof. Comprising vinyl silicone oil, vinyl silicone oil with the viscosity of 3000-10000 mPa.s, fumed silica, precipitated white carbon black, silazane, deionized water, vinyl silicone resin, hydrogen-containing silicone oil, an inhibitor and a platinum catalyst. The exposed number of hydroxyl groups on the surface of the white carbon black and the viscosity are reduced by utilizing the relatively good coating property of the low-viscosity vinyl silicone oil and the white carbon black, and part of gas-phase white carbon black is replaced by precipitated white carbon black with a low specific surface area and is dispersed by a closed device in advance; part of hexamethyldisilazane and water are added for surface hydroxyl treatment, heating and vacuum treatment are conducted, the dispersion degree of hexamethyldisilazane in a kneading machine is increased, and the viscosity can be reduced. A negative pressure type vacuum feeding device is used for continuous feeding in the base rubber cold mixing process, white carbon black dispersion reinforcement is facilitated, it is guaranteed that the shear force of the base rubber is uniform, and the method is suitable for the injection molding technology.

The invention discloses a catalyst for synthesizing glycollic acid and a preparation method. The catalyst comprises the following components in percentage by weight: 5-10% of copper oxide, 15-40% of manganese oxide, zirconium oxide or cerium oxide and 50-80% of modified aluminum oxide. The preparation method comprises the following steps: adding a certain amount of copper-containing compound solution into aluminum oxide powder modified by manganese chloride, zirconium chloride or cerium chloride, adding gel containing water, binder methyl cellulose and peptizing agent, uniformly kneading on a kneading machine, and extruding and molding the kneaded material on a banded extruder to obtain the copper-containing aluminum oxide composite material. And drying and roasting to obtain the catalyst for synthesizing glycollic acid. The catalyst for synthesizing glycollic acid, prepared by the invention, takes modified aluminum oxide as a main component, and has better activity and performance; the preparation process provided by the invention is relatively environment-friendly, and has a relatively good application prospect.

The utility model discloses a rubber compound kneading machine with a discharged material cutting assembly, which belongs to the technical field of rubber compound kneading machines and comprises a kneading machine box body, a kneading roller is rotatably connected in the kneading machine box body, a material supply mechanism is arranged at the top of the kneading machine box body, and a material guide mechanism is arranged in the kneading machine box body. Discharging mechanisms are symmetrically arranged on the two sides of the kneading machine box body, a material guiding mechanism comprises a plurality of nested material guiding plates, and a mounting shaft is fixedly connected to the material guiding plate at one end. The device has the beneficial effects that the material guide mechanism is arranged, a plurality of nested material guide plates and a bidirectional screw rod are arranged, and the bidirectional screw rod drives a moving block to reciprocate back and forth, so that a traction shaft is driven to move back and forth, and each material guide plate circularly stretches, so that a rubber compound raw material uniformly falls on the axial position of a kneading roller; a better kneading effect can be achieved, and the processing quality is improved.

The present invention discloses a flame-retardant PET material and a preparation method thereof, belonging to the technical field of PET materials, and comprising the following raw materials in parts by weight: 50 parts of PET resin, 14-16 parts of flame retardant, 8-12 parts of glass fiber, 0.8-1 part of coupling agent, 2-4 parts of toughening agent, and 0.9-1 part of lubricant; the glass fiber and the coupling agent are put into a high-speed kneader for treatment, and then premixed with the remaining raw materials in a high-speed mixer, and finally melt-extruded and granulated to obtain the PET material. In the present invention, a synthesized flame retardant is added to the PET material. The flame retardant contains Si-N-P synergistic flame-retardant components, and has an efficient and safe flame-retardant effect. Moreover, it belongs to a polyester-type polymer, has higher stability, migration resistance and exudation resistance, and has extremely high compatibility with the PET matrix, and can be uniformly distributed in the PET material; in addition, the addition of the flame retardant can also improve the heat resistance of the PET material.

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 invention relates to the technical field of edible butter production, and discloses a continuous butter production method combining pasteurization with quenching kneading, which comprises the following steps: pretreatment: filtering and purifying raw milk to remove impurities; performing pasteurization; cooling: gradually cooling the sterilized raw milk; stirring and separating, namely separating butter fat, and homogenizing to refine the particle size of butter; quenching and crystallizing: quenching milk fat to 8-14 DEG C by adopting a spiral quenching machine, inducing beta '-type fat to crystallize, and improving the fineness and ductility of the butter; kneading and shaping: continuously extruding and kneading through a kneading machine to destroy a crystal network and uniformly distribute moisture and fat in the butter; and forming and packaging: cutting the butter into standard blocks, and performing vacuum packaging. According to the continuous butter production method combining pasteurization and quenching kneading, butter can be continuously produced, manual intervention is reduced, the working efficiency is greatly improved, and meanwhile the produced butter is good in quality.

The invention relates to a high polyphosphoric acid antimony-magnesium borate composite flame-retardant synergist and ABS flame-retardant masterbatch, and the composite flame-retardant synergist is prepared by the following steps: (1) putting raw materials of high polyphosphoric acid antimony and magnesium borate into a high-speed mixer, uniformly stirring and mixing, heating, preserving heat, and cooling to normal temperature; (2) adding a modifier into the mixture of the high-poly-antimony phosphate and the magnesium borate, and uniformly stirring and mixing at a high speed; then, adding a halogen-containing flame retardant, and continuously stirring uniformly at a high speed to prepare a modified premix; and (3) heating, activating and modifying the premix in a kneading machine to obtain the high polyphosphoric acid antimony-magnesium borate composite flame-retardant synergist. And adding a carrier ABS master batch into the composite flame-retardant synergist, kneading, extruding, and pelletizing to obtain the composite flame-retardant synergist ABS flame-retardant master batch. The flame-retardant material prepared from the flame-retardant master batch has a good flame-retardant effect, the smoke density can be reduced by more than 35%, and no molten drop exists; compared with a halogen-antimony trioxide system, the antimony addition amount is reduced by 50% or above, and the cost is greatly reduced.

The invention relates to the technical field of water purification, in particular to a water purification catalyst which is prepared by the following steps: S1, weighing ingredients such as manganese dioxide, aluminum oxide, titanium dioxide, nickel oxide and pore-forming agent powder, and then respectively sieving the powder with a 200-mesh sieve; s2, the powder screened by the screen is added into a kneading machine according to the proportion and mixed for 8 h, and pug is taken out after even mixing; s3, the pug is put into a sealing tank to be aged for 24 h; s4, after the water is uniformly distributed in the pug, putting the pug into a ceramic tube extruding machine, controlling the extrusion pressure to be 10MPa, and extruding to obtain a single-cylinder-shaped green body; and S5, the formed green body is put into a drying oven at the temperature of 100-120 DEG C to be dried for 120 h, and moisture is removed. The catalyst prepared by the invention shows strong decomposition capability on various complex organic pollutants, and chromophoric groups in wastewater molecules are destroyed through catalyst reaction, so that the wastewater molecules are decomposed into water, carbon dioxide and harmless inorganic small molecules; the harm to the ecological environment and human health is reduced.

The utility model relates to a drying device, belongs to the technical field of kneading machines, and particularly relates to an automatic air-drying device for a kneading machine. The two rotating rods are rotatably mounted on the inner side wall of the rack, a motor is fixedly mounted on the outer side wall of the rack, the side walls of the two rotating rods are sleeved with an upper belt, two mounting rods are rotatably mounted on the inner side wall of the rack, and the side walls of the two mounting rods are sleeved with a lower belt; a first fan is fixedly mounted on the wall surface of the outer top end of the rack, and the output end of the first fan fixedly communicates with an air pipe; products are placed on the upper belt and conveyed along with the upper belt till falling onto the lower belt, one face originally located at the upper end is turned over to the lower end, then the products are conveyed through the lower belt, in the conveying process, the first fan is started to conduct automatic air drying through the air pipe, and the two faces of the products can be air-dried; the problem that an existing automatic air-drying device for the kneading machine is low in practicability is solved.

To provide a method for manufacturing dry development toner capable of achieving both glossiness and hot offset resistance.SOLUTION: A method for manufacturing dry development toner containing an amorphous polyester resin A comprises steps of: melting and mixing a mixture including the amorphous polyester resin A being a polycondensate of an alcohol component, a carboxylic component and polyethylene terephthalate using an open roll type biaxial kneader; and pulverizing and classifying the obtained mixture to obtain toner mother particles; and mixing the obtained toner mother particles with an external additive.SELECTED DRAWING: None

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.