341 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;

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 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 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 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 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 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.

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 invention relates to a high-shear mixing device comprising a first screw kneader and a second screw kneader, in which the respective screw kneader is rotated in opposite directions while the blades of the screw kneader overlap the blades of the other screw kneader, and among three blades provided in each of the first screw kneading machine and the second screw kneading machine, one blade is an open-type blade having a through-hole formed in a central portion except for an outer periphery of a side portion in a rotation direction, and the other two blades are closed-type blades having a through-hole formed in a central portion except for an outer periphery of the side portion in the rotation direction. The closed blades are in a closed state by having no through-hole on a side portion in a rotation direction, in which the open blades provided in the first screw kneading machine are overlapped between the two closed blades provided in the second screw kneading machine, and the open blades are not overlapped between the two closed blades provided in the first screw kneading machine and the second screw kneading machine. And an open type blade provided in the second screw kneading machine overlaps between two closed type blades provided in the first screw kneading machine.

The utility model relates to the technical field of kneading machine equipment, in particular to a kneading device. The kneading device comprises a cylinder body, a cylinder cover, an overturning assembly and a conveying assembly. The cylinder body is provided with a containing cavity used for containing materials and an opening communicated with the containing cavity. The cylinder cover is arranged on the cylinder body and can be switched between a first position and a second position in the first direction so as to close or open the opening. The overturning assembly is connected with the cylinder body and used for overturning the cylinder body so that the opening can face downwards. The conveying assembly is arranged on the cylinder cover and provided with a conveying face facing the containing cavity and used for conveying materials. When the cylinder cover is switched from the first position to the second position and the overturning assembly overturns the cylinder body and enables the opening to face downwards, the conveying assembly conveys materials falling on the conveying face in the second direction through the conveying face, and the second direction is perpendicular to the first direction. Materials possibly accumulated on the cylinder cover are conveyed through the conveying face of the conveying assembly, the discharging efficiency can be improved, and meanwhile accumulation of the materials on the cylinder cover is reduced.

The utility model relates to the technical field of rubber production, and discloses a kneading machine cooling mechanism for rubber production, which comprises a base, a kneading machine body and a driving device are arranged on the top wall surface of the base, and the driving device is positioned on the left side wall surface of the kneading machine body; comprising an inner ring device capable of cooling a kneading machine body, and the inner ring device comprises two first motors and two first fan blades; comprising an outer ring device capable of cooling the driving equipment, and the outer ring device comprises two second motors and two second fan blades. In conclusion, by arranging the refrigerating machine, the first refrigerating box, the second penetrating hole, the first partition plate, the first motor, the flow dividing partition plate and the first fan blades, cold air on the inner ring can surround the side wall of the kneading machine body by a circle through rotation of the two first fan blades in cooperation with blocking of the first partition plate, and hot air of the kneading machine body is taken away in the flowing process of the cold air; usage is convenient and the structure is simple.

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.

To provide a kneader capable of uniformly kneading a large amount of a material to be kneaded at a time.SOLUTION: The kneader (10) has a cylindrical kneading chamber (11) and a cylindrical member arranged in the kneading chamber (11) having a diameter smaller than the inner diameter of the kneading chamber (11) and having a central axis (121) parallel to the central axis (111) of the kneading chamber (11) at a distance from the central axis (111) of the kneading chamber. The eccentric rotor (12) rotates about the central axis (111) of the mixing chamber.SELECTED DRAWING: Figure 2

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.

To suppress the breakage of granular materials in a paste during kneading.SOLUTION: In a kneader 1, rotary paddles 40 are stored in the kneading chamber 12 of a case 10. The rotary paddles 40 for the kneader are provided with a base part 42 formed with a fitting hole 43 inserted with a long shaft body 20, a protrusion 44 protruded from the base part 42 toward outside in a radial direction and a paste flow channel 46 penetrating the protrusion 44 along a circumferential direction. In the kneader 1, the flow of the paste is divided into a shear point C1 being a gap between the protrusion 44 and the inside wall 12w of the kneading chamber 12 and the paste flow channel 46. Then, the paste inflow amount to the shear point C1 can be reduced, impact onto a granular material is reduced and the breakage of the granular material can be suppressed.SELECTED DRAWING: Figure 2