42results about How to "Improve blending effect" patented technology

The invention relates to the technical field of rubber additives, in particular to a cross-linking agent for rubber and a preparation method. The cross-linking agent for rubber is prepared from the following raw materials in parts by mass: 5 to 10 parts of polystyrene microspheres, 1 to 5 parts of tetramethyl orthosilicate, 0.1 to 0.5 part of copper sulfate, 1 to 2 parts of a surfactant, 1 to 2 parts of vinyl trimethoxy silane, 0.01 to 0.1 part of an initiator, 2 to 6 parts of vinyl acetate, 1 to 2 parts of cobalt acetate, 0.01 to 0.1 part of yttrium chloride and 1 to 2 parts of graphene oxide. Transition metal salt and rare earth are compounded and loaded on the surface of grafted silicon dioxide, the specific surface area of the metal salt can be effectively increased, the coordination efficiency is improved, the adding amount of the metal salt is reduced, meanwhile, self-repairing of crosslinking and reinforcing functions can be effectively achieved, and the crosslinking agent is high in stability and has higher environmental tolerance.

The invention belongs to the technical field of nuclear fuel assembly design, and particularly relates to a high-safety fuel assembly capable of measuring temperature and conducting strong flow guiding. Comprising a temperature-measurable instrument tube, a strong flow-guiding grillwork, a fuel rod, a guiding tube, a foreign-matter-catching-preventing lower tube seat, a low-pressure-drop upper tube seat and a connecting structure thereof. Through the arrangement of the structure and the connection of all the components, the high thermotechnical safety margin of the fuel assembly is realized. By arranging the temperature-measurable instrument tube, a temperature sensor can be placed in the temperature-measurable instrument tube, the temperature of a coolant entering the temperature-measurable instrument tube from the radially uniformly distributed drain holes can be continuously measured on line in real time, the actual thermotechnical safety margin of the fuel assembly can be known, operation can be fed back, operation strategy optimization can be guided, and transient state and low accident incidence of the fuel assembly are realized; by measuring and feeding back the coolant temperature of the hot spot part of the fuel assembly, the fuel assembly and the power plant can operate at safe and as high as possible parameters for a long time based on the mastered safety margin, and the economical efficiency of the nuclear power plant is improved.

The invention discloses a puncture-resistant biodegradable film bag and a preparation method thereof. The puncture-resistant biodegradable film bag is prepared from the following raw materials in parts by weight: 50-80 parts of biodegradable polyester, 1-20 parts of a modifier and 10-35 parts of an inorganic filler, wherein the total part number of the three raw materials is 100; the composition further comprises 0.1-5 parts of a cross-linking agent, 0.1-5 parts of an antioxidant and 0.1-1 part of a dispersing agent; the weight-average molecular weight of the puncture-resistant biodegradable material is 100,000-300,000; and the cross-linking agent is at least one of triallyl isocyanurate, trimethylallyl isocyanate, trimethylolpropane triacrylate, trimethylolpropane trimethacrylate and triglycidyl tripolyisocyanate. The modifier, the cross-linking agent and the biodegradable polyester have a synergistic effect, and through an electron beam irradiation process, not only can the puncture strength of the film bag be greatly improved, but also the MD tensile strength and the TD tensile strength are also greatly improved.

The invention provides a preparation method of a flexible hydrogen delivery pipe, and relates to the field of flexible hydrogen delivery pipe manufacturing, and the flexible hydrogen delivery pipe comprises the following raw material components: polytrifluorochloroethylene, nylon 11, polyvinylidene fluoride, a micro-nano carbon material, polyethyleneimine, a compatilizer, a cross-linking agent, an antioxidant, a dispersing agent and a light stabilizer, the cross-linking agent is a thermoplastic polyurethane copolymer, the micro-nano carbon material comprises graphene oxide and graphene nanoplatelets, the dispersing agent is one of EBS, EB-G and PE wax, the antioxidant is antioxidant 1076, and the light stabilizer is one of benzophenone and 2-hydroxybenzoate; the gas barrier material has the advantages of being good in gas barrier property and high in mechanical property on the whole.

A built-in parallel type solid fuel-liquid oxidizing agent mixing engine comprises an oxidizing agent conveying-jetting integrated device, a front sealing head, a solid fuel with a shell, a spraying pipe and an ignition device. One surface of the front sealing head is connected with the oxidant conveying-jetting integrated device through screws, and the other surface of the front sealing head is connected with the solid fuel with the shell; one surface of the front sealing head is connected with the oxidant conveying-jetting integrated device through screws, and the other surface of the front sealing head is connected with the solid fuel with the shell; the front sealing head is provided with a first sealing groove; the first sealing groove is provided with a first sealing ring; the combustion chamber shell is provided with a second sealing groove; and the second sealing groove is provided with a second sealing ring. The system structure is simplified, and the weight of the engine is reduced; and meanwhile, powerful conditions are provided for efficient and uniform combustion of fuel-rich gas and an oxidizing agent, and therefore the energy release efficiency of the engine is improved.

The invention discloses a feed production dust-free environment-friendly crushing device, and relates to the technical field of feed production, and the technical scheme is that the feed production dust-free environment-friendly crushing device comprises a crushing box, a crushing mechanism is arranged in the crushing box, a dustproof mechanism is arranged on the outer side of the crushing box, two cover plates are arranged at the top of the crushing box, and the two cover plates are both movably connected with the crushing box through hinges; the discharging pipe is fixedly arranged at the bottom of the smashing box, a discharging mechanism is arranged on one side of the discharging pipe, a control valve is arranged in the discharging pipe, the smashing mechanism comprises a smashing motor, the smashing motor is arranged at the top of the smashing box, a transmission shaft is arranged in the smashing box and fixedly connected to the output end of the smashing motor, and the transmission shaft is movably connected with the smashing box through a rolling bearing. The feed crushing device has the beneficial effects that the feed crushing efficiency is greatly improved, and meanwhile, the device adopts the movable crushing blades, so that the raw material crushing range is wider, and the crushing effect is better.

The invention provides a PC reflecting material, application of the PC reflecting material in preparation of a PC reflecting film and the PC reflecting film, and relates to the technical field of PC reflecting materials, application of the PC reflecting material in preparation of the PC reflecting film and the PC reflecting film, the PC reflecting material comprises the following components: first PC particles, reflecting master batch, transparent polyester resin and a foaming aid; wherein the reflective master batch comprises the following components: second PC particles, crystalline polyester resin, titanium dioxide and an optional antioxidant. According to the PC reflecting material provided by the invention, the PC particles are used as a matrix, and the reflecting master batch, the transparent polyester resin and the foaming aid capable of improving the reflecting effect of the material are added, so that the temperature resistance, the reflectivity and the dimensional stability of the reflecting material are improved.

The present invention relates to the field of nuclear fuel technology, and specifically discloses a high-reliability fuel assembly with coordinated flow control, including a lower tube seat, a skeleton, an upper tube seat, and fuel rods, guide tubes, and instrument tubes inserted into the skeleton, which are sequentially arranged along the flow direction of the coolant; the lower tube seat is a low-outlet lateral flow lower tube seat; on the lower tube seat connecting plate, there are a number of space-through slender flow channels with a width less than the fuel rod spacing and axial bending; the outlets of the surrounding flow channel areas of the space-through slender flow channels located on the outer periphery of the lower tube seat connecting plate are higher than the outlets of the middle flow channel areas located in the middle of the lower tube seat connecting plate, so as to reduce the lateral flow of the outlets between assemblies. The present invention carries out a coordinated and innovative design of the fuel assembly as a whole, and ensures a high thermal safety margin of the fuel assembly.

The application provides a reactant organization device and method, which comprises a fuel organization unit and a first oxidant organization unit. The fuel organization unit comprises a main body section and a fuel channel penetrating through the main body section, the inlet of the fuel channel is communicated with the outlet of a thermal modification furnace, the outlet of the fuel channel is communicated with the inlet of a gasification melting furnace, and the outlet end of the main body section is directly connected with the inlet of the gasification melting furnace. The first oxidant organization unit comprises at least one first oxidant nozzle, the at least one first oxidant nozzle is embedded in the main body section, and the outlet of the first oxidant nozzle is communicated with the fuel channel.

The application discloses a material cooling storage tank with a deployment function, which comprises a cooling storage tank body, a feeding port is formed in the top surface of the cooling storage tank body, a discharging pipe is communicated with the lower portion of the cooling storage tank body, and a processing assembly is arranged above the discharging pipe; the processing assembly comprises a cleaning assembly arranged above the discharging pipe; when the adhering material in the inner wall of the cooling storage tank body needs to be cleaned, a motor is started, the reciprocating screw rod fixedly installed at the output end of the motor is reversed, the sleeve plate driven by the reciprocating screw rod is reversed, the cleaning ring fixedly installed on the outer wall of the sleeve plate is rotated, the clamping block slidingly arranged in the cleaning ring is rotated, the clamping block is clamped with the clamping groove away from the inclined surface side, under the limitation, the reciprocating screw rod is driven to make the sleeve plate reciprocate up and down, the sleeve plate drives the cleaning ring to slide in the cooling storage tank body, and the cleaning ring can clean the inner wall of the cooling storage tank body under the limitation that the cleaning ring slides in close contact with the inner wall of the cooling storage tank body.

The plate heat exchanger of the present application includes a plurality of stacked plates, the plurality of plates include at least one group of adjacent first and second plates; any of the first and second plates has a substrate portion and a plurality of protrusions located in the main heat exchange area; the substrate portion is arranged in a plane on the front and back of the corresponding plate; the protrusion protrudes from the substrate portion on the front of the corresponding plate; the substrate portion includes a plurality of intersection portions and a plurality of channel portions, the channel portion is connected between two adjacent intersection portions along the first extension direction, the channel portion is connected between two adjacent protrusions along the second extension direction, and the maximum dimension of the channel portion along the second extension direction is less than or equal to the dimension of the channel portion along the first extension direction; the protrusion on the front of the first plate contacts at least a portion of the channel portion on the back of the second plate, and the recess formed by the protrusion of the second plate on the back of the second plate is arranged relative to at least a portion of the channel portion on the front of the first plate. The plate heat exchanger of the present application has good heat exchange performance.

The invention relates to the field of aero-engine high-altitude simulation test equipment, and discloses a gas mixing device for an air environment simulation test, the gas mixing device comprises a regular three-way pipe fitting and a mixing structure, the mixing structure is arranged in the regular three-way pipe fitting, and a hanger plate in the radial direction is arranged in a main pipe of the regular three-way pipe fitting; the tail end of the mixing structure is inserted from a branch pipe of the regular tee pipe fitting, penetrates through the hanging plate and then makes contact with the inner wall of the main pipe. The mixing structure comprises multiple layers of mixing assemblies arranged in the radial direction of the main pipe, a low-pressure gas channel is arranged between every two adjacent layers of mixing assemblies, high-pressure gas channels perpendicular to the low-pressure gas channels are formed in the mixing assemblies, and spraying structures communicating the low-pressure gas channels with the high-pressure gas channels are formed in the mixing assemblies. The gas mixing device can solve the technical problems that an existing mixing device is prone to separation or vortexes, an air inlet flow field is extremely uneven, consequently, the mixing effect is poor, the pressure loss of the mixing device is large, and the pressure requirement of an inlet of an engine cannot be met.

The invention discloses a turbine interstage combustion chamber capable of strengthening mixing, and relates to the technical field of aero-engine combustion, the turbine interstage combustion chamber comprises an outer shell and an inner shell which are concentrically arranged, a gap is formed between the outer shell and the inner shell, an axial main airflow channel is formed, and the side wall of the outer shell is provided with an axial main airflow channel extending towards the outer side of the outer shell; the airflow guider is arranged along the radius direction of the outer shell, is fixed between the outer shell and the inner shell, is positioned between the air inlet end of the outer shell and the annular airflow chamber and is hollow, and an air inlet hole is formed in one side, facing the air inlet end, of the airflow guider; the two side walls, away from the air inlet end, of the airflow guider are provided with gaps, so that airflow entering the airflow guider from the air inlet holes flows out of the gaps, radial guiding airflow perpendicular to the flowing direction of the axial main airflow channel is formed, the airflow flowing out of the gaps is perpendicular to the main airflow, and the mixing and exchanging speed of the airflow is increased.

The present invention belongs to the technical field of polymer materials, and specifically relates to a wear-resistant antistatic plastic, a preparation method thereof, and an application thereof in the preparation of casters. The preparation method comprises the following steps: reacting hydroxy silicone oil with isocyanate ethyl acrylate to obtain an acrylate-terminated polysiloxane macromolecular monomer solution, then adding styrene, a diluting organic solvent, and an initiator to react, spray drying, and obtaining a polysiloxane copolymer cross-linked polystyrene elastomer powder, and then mixing it with a reinforcing agent, white carbon black, an antistatic agent, and a silane coupling agent, and then granulating it to obtain a wear-resistant antistatic reinforcing masterbatch, and mixing the obtained reinforcing masterbatch with a PP resin, and extruding it into a mold to form, and obtaining a wear-resistant antistatic plastic. The present invention adopts a polysiloxane copolymer cross-linked polystyrene elastomer to blend and modify the PP resin, which can significantly improve the elasticity and toughness of the PP resin, so that it has the advantages of high strength, wear resistance, antistatic, and shock absorption and shock resistance when used in the preparation of casters.

The present invention discloses a robot for picking up goods for sale, which is connected to a nut block by a motor drive. The nut block is equipped with a pair of rollers and a door opener. The roller is hoisted with a suction cup by a rope wound around it. A clutch is arranged between the roller and the rope. The door opener and the roller are installed in an integrated manner on the nut block, and the suction cup is hoisted with the rope wound around it. This enables the robot to have both door opening and closing and grabbing functions. Only one set of structure is needed to realize the process of picking up goods for sale. This motion-type door opening and closing process has the advantages of good stability and adjustable door opening degree. The replacement and maintenance cost is low, and the debugging process is easy. At the same time, this three-dimensional mobile grabbing mechanism replaces the cargo rail structure that pushes out goods through the motor-driven pushing mechanism, and realizes the process of imitating human hands grabbing goods. Not only does it not need to configure multiple motors, but the goods will not generate friction with the cargo rail channel, thereby avoiding damage to the goods and ensuring the integrity of the goods.

This invention relates to the field of supersonic inlet start-up and active flow control technology, aiming to solve the problems of inlet flow separation, shock wave boundary layer interference, and start-up lag in existing scramjet engines. It provides a miniature supersonic nozzle array device and engine for enhancing inlet start-up. The miniature supersonic nozzle array device includes a rotating mechanism on which multiple nozzles are mounted, arranged at intervals. The airflow channel inside each nozzle is an acceleration channel, and the airflow channel between two adjacent nozzles is a deceleration channel. The acceleration channel is sequentially divided into an acceleration channel inlet section, a central contraction section, and an acceleration channel outlet section along the gas flow direction. The cross-sectional size of the central contraction section is smaller than that of the acceleration channel inlet section and the acceleration channel outlet section. This invention effectively solves the problems of shock wave boundary layer interference, flow separation, and start-up lag at the inlet lip under high Mach number conditions.

The utility model discloses an efficient size mixing barrel structure for spinning, which relates to the technical field of size mixing barrels, and comprises a barrel body, a support ring is fixedly mounted on the barrel body, a spraying component is mounted on the support ring, a discharge pipe is fixedly communicated with the barrel body, a driving motor is fixedly mounted in the barrel body, and the discharge pipe is fixedly communicated with the driving motor. A driving rotating shaft is fixedly installed at the driving end of the driving motor, a plurality of stirring blades are fixedly installed on the driving rotating shaft, a plurality of round holes are formed in each stirring blade, the round holes formed in the different stirring blades are different in size distribution, a transmission shaft is rotatably installed in the barrel body through a positioning rod, and the transmission shaft is connected with the driving rotating shaft through the positioning rod. And a transmission part is mounted between the driving rotating shaft and the transmission shaft. The device has the advantages that mixed liquid in the barrel body can be rapidly blended, the blending efficiency is improved, the mixed liquid in the barrel body can rotate in the opposite direction, therefore, the mixed liquid is blended more evenly and fully, and the printing and dyeing effect of textiles is effectively improved.

The utility model provides a medicament blending device for soil remediation, and relates to the field of soil remediation medicament blending. The connecting plate is arranged at the top of the blending barrel; the elastic pieces are fixed to the two sides of the top of the connecting plate; the transverse plate is fixed at the top end of the elastic piece; the vertical rod is fixed to the bottom of the transverse plate, and the bottom end of the vertical rod penetrates through the connecting plate and extends into the blending cylinder; the movable plate is fixed to the end, extending into the blending barrel, of the vertical rod; and the number of the through holes is multiple, and the through holes are formed in the movable plate. According to the medicament blending device for soil remediation, medicaments can be quickly and fully blended in the soil remediation process, the medicament blending effect is good, cleaning is facilitated after blending is completed, and next medicament blending is facilitated.

The utility model belongs to the technical field of stirring equipment, specifically is a kind of vacuum dispersion stirring equipment, including frame, bowl-shaped tank body is assembled on the frame, tank body is assembled by drive system and can open and close tank cover, tank cover opening and closing stroke is controlled by limit switch, first stirring mechanism is equipped in the bottom center of tank body, for stirring bottom center material and push to inner wall, second stirring mechanism is equipped on tank cover, including stirring arm and the scraper that is attached with tank body inner wall, material through-hole is opened on it, material can diffuse across scraper under the action of centrifugal force, when scraper rotates, push inner wall material to edge and stirrer position movement, frame is equipped with vacuum system and pressure relief port, tank cover is equipped with connecting port for assembling external connecting equipment, the utility model is through double stirring mechanism cooperation and vacuum system, effectively improve stirring uniformity, eliminate material bubble, adapt to a variety of process requirements.

This invention belongs to the technical field of ground-based heavy-duty gas turbines, and provides a combustion chamber device for ground-based heavy-duty gas turbines. It includes several circumferentially distributed combustion chamber stages, each comprising a first channel and a second channel interconnected from front to back. A micro-mixing combustion chamber is disposed within the first channel, used to mix and burn the mainstream gas from the compressor with fuel oil. An integrated baffle blade is disposed within both the first and second channels, arranged along the flow direction of the mainstream gas flow. A cooling assembly includes a cold source and several microchannels disposed within the integrated baffle blade. The cold source cools the integrated baffle blade by supplying cooling gas into the microchannels. This invention can significantly reduce the amount of cooling gas used during gas turbine operation while maintaining considerable combustion efficiency.

The invention relates to the technical field of enamel products, and provides regenerated enamel glaze as well as a preparation method and application thereof. The regenerated enamel glaze comprises enamel waste powder, a suspending agent and a cosolvent, and by taking the mass of the enamel waste powder as a reference, the addition amount of the suspending agent is 5-12%, and the addition amount of the cosolvent is 0.1-3%; the enamel waste powder is generated in an enamel glaze spraying operation process. According to the regenerated enamel glaze, the enamel waste powder is fully utilized, the solid waste treatment cost and the product manufacturing cost are reduced, and the environment is protected. The regenerated enamel glaze provided by the invention can be used for manufacturing enamel products with the acid-resistant standard of A + level, such as inner containers and baking trays of ovens, cooker panels, liquid bearing trays, barbecue oven accessories and the like.

The utility model discloses a chemical synthesis material stirring synthesis device, which comprises a bottom plate, a stirring pool, a lifting assembly, a support plate, a driving motor and a stirring piece installation assembly, the lifting assembly and the stirring pool are respectively fixedly installed on the left side and the right side of the top of the bottom plate, and the support plate is fixedly connected to the moving end of the lifting assembly. The driving motor is fixedly mounted at the top of the support plate, and the stirring piece mounting assembly is fixedly connected to the end of an output shaft of the driving motor. The chemical synthetic material stirring and synthesizing device is reasonable in structural design and convenient to use, adopts a detachable stirring rod design and can be replaced according to the density and quality of a chemical material to be stirred and synthesized, so that the stirring and synthesizing effect of raw materials is improved, and meanwhile, by adopting a movable stirring design, the stirring range can be effectively widened, stirring dead angles are avoided, and the stirring efficiency is improved. And the stirring device has an excellent use effect on stirring of different chemical synthetic materials.

The present invention relates to the field of aircraft environmental control technology, and in particular, to an aircraft air mixer, comprising a fan assembly, an ejection assembly, a mixing assembly, and a flow distribution assembly. The ejection assembly comprises an air duct unit and a main pipe unit. The main pipe unit comprises a first main pipe, a second main pipe, and a third main pipe. The second main pipe comprises a first tube body and a first hole portion; the third main pipe comprises a second tube body and a third hole portion. The first hole portion is arranged at intervals on a side of the first tube body away from the fan assembly. The second tube body is annular and fixedly connected to the air duct unit. The second tube body is connected to the interior of the air duct unit through the third hole portion. The third hole portion is arranged at intervals on a side of the second tube body away from the fan assembly. The air duct unit comprises a first area and a second area. In this way, the problem of how to eject and quickly mix gas in an aircraft air mixer is solved.

The utility model discloses a blending device, which relates to the technical field of microparticle bone repair material production equipment, and comprises a mixing barrel, a plurality of convex blocks are arranged on the inner side wall of the mixing barrel in a surrounding manner, the convex blocks are arranged in a staggered manner, a first arc-shaped surface and a second arc-shaped surface are respectively arranged on two sides of each convex block, and the first arc-shaped surface and the second arc-shaped surface are arranged on the outer side wall of the mixing barrel. The radian of the first arc-shaped surface is larger than that of the second arc-shaped surface, a stirring rod is arranged at the bottom end of the mixing barrel in a penetrating mode, and a plurality of stirring blades are arranged on the outer side of the stirring rod in a surrounding mode. According to the utility model, the material mixing barrel is arranged, the inner wall of the material mixing barrel is provided with the plurality of convex blocks, and the two sides of each convex block are respectively provided with the first arc-shaped surface and the second arc-shaped surface, so that when materials are subjected to blending treatment in the device, the materials can be influenced by the first arc-shaped surfaces and the second arc-shaped surfaces, and the motion trail of the materials can be continuously changed; therefore, the blending effect of the materials can be improved, and the production quality of the bone repair material can be guaranteed.

The present invention relates to the field of high-altitude simulation test equipment for aircraft engines, and discloses a gas mixing device for air environment simulation test, including a positive three-way pipe fitting and a mixing structure, wherein the mixing structure is arranged in the positive three-way pipe fitting, and a radial hanging plate is arranged in the main pipe of the positive three-way pipe fitting, and the end of the mixing structure is inserted from the branch pipe of the positive three-way pipe fitting, and contacts with the inner wall of the main pipe after passing through the hanging plate. The mixing structure includes a multi-layer mixing component arranged along the radial direction of the main pipe, a low-pressure gas channel is arranged between two adjacent layers of mixing components, a high-pressure gas channel perpendicular to the low-pressure gas channel is arranged in the mixing component, and a spray structure connecting the low-pressure gas channel and the high-pressure gas channel is opened on the mixing component. The gas mixing device of the present invention can solve the technical problems that the existing mixing device is prone to separation or vortex, the inlet air flow field is extremely uneven, etc., resulting in poor mixing effect, and the mixing device has a large pressure loss and cannot meet the engine inlet pressure requirement.

The application provides an environment-friendly power plant coal slime blending machine, and belongs to the technical field of coal blending. The environment-friendly power plant coal slime blending machine comprises a plurality of side-by-side arranged hoppers. The bottom of each hopper is provided with a discharge pipe. The bottom of each discharge pipe is provided with a chute. The inside of each chute is provided with a weighing table. A weight sensor is arranged between each weighing table and chute. In the above scheme, the chute, weighing table and weight sensor are arranged. The material is weighed through the cooperation of the weighing table and weight sensor to control the weight of different types of fuel and ensure the blending effect.