11results about How to "Improve blending effect" patented technology

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.

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.

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 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 utility model relates to the technical field of mixing bins, and discloses a gravity mixing bin structure which comprises a bin body, a central mixing pipe, a plurality of peripheral mixing pipes and a bottom ventilation pipe, the central mixing pipe is vertically arranged in the center of the bin body, the peripheral mixing pipes are evenly distributed on the circumference with the center of the bin body as the circle center and the radius of the bin body as the diameter, and the bottom ventilation pipe is arranged in the center of the bin body. Comprising an annular main body and a plurality of branches connected with the main body, the annular main body is arranged around the peripheral side of the bin body, the ends, away from the main body, of all the branches are inserted into the bin body, and the bottom ventilation pipe is used for introducing gas into the bin body. Compared with a traditional wall-attached type, the gravity mixing bin structure has the advantages that accumulation and bridging phenomena of viscous materials can be effectively reduced, and the mixing effect on the viscous materials is improved.

The invention relates to the technical field of nuclear fuel structure design, and particularly discloses a multi-structure coordinated mixing high-reliability monometal positioning grillwork which comprises inner strips and outer strips which are inserted in a matched mode to form lattice cells. On the four inner strips arranged in the shape of the Chinese character'jing ', the two sides of the eight lattice cell positions at one end of each inner strip are respectively provided with a protruding fuel rod rigid supporting structure, and no fuel rod elastic supporting structure A exists; and on the rest of the inner strips, the two fuel rod rigid supporting structures at the upper and lower symmetrical positions and the fuel rod elastic supporting structure A at the middle position protrude towards the two sides of the inner strips respectively. The flow resistance and the structural strength reliability are comprehensively considered, the high grillwork design and the #-shaped inner strips with the rigid supporting structures on the two sides are adopted, the buckling strength of the positioning grillwork is improved, and the proper flow resistance is kept.

This invention relates to the technical field of zinc oxide surface modification, specifically to polylactic acid (PLA) grafted zinc oxide nanoparticles and their preparation method, comprising the following steps: adding zinc oxide nanoparticles to an alkaline solution of a certain pH value for surface modification, followed by drying to obtain surface-treated ZnO powder; reacting the obtained surface-treated ZnO powder with PLA at a certain temperature; after the reaction, cooling the system to room temperature, adding an organic solvent to disperse the powder, centrifuging to obtain a precipitate, and drying to obtain the grafted zinc oxide nanoparticles. In the preparation method of this invention, the grafting reaction can be carried out without a catalyst and solvent. By surface-treating ZnO, its reactivity is improved, thereby increasing the grafting rate. The zinc oxide nanoparticles grafted by the preparation method of this invention can effectively avoid particle agglomeration and can be suspended in solution for a long time, effectively improving their blending effect in PLA.

The invention relates to the technical field of probiotic embedding production equipment, and discloses embedding type probiotic production equipment which comprises a tank body, a feeding pipe, a servo motor and a mixing unit. According to the embedded probiotic production equipment, a large-area and low-linear-speed stirring mode which is attached to the tank wall is adopted, materials are driven to perform gentle macroscopic circulation, meanwhile, an arc-shaped belt on the embedded probiotic production equipment generates mild radial guiding force to push the materials to the center, and the longitudinal mixing assembly utilizes forward and reverse spiral belts in opposite directions to mix the materials with the materials. Complex up-and-down convection with extremely low shearing force is manufactured in the central area of the tank body, a mixing dead zone is efficiently eliminated, global three-dimensional uniform mixing under low rotating speed and low energy input is realized, full dispersion and contact of probiotics and wall materials are ensured, the activity of thalli and a preliminarily formed emulsification structure are protected to the greatest extent, and the production efficiency is improved. The embedding efficiency and the product stability are improved.

The utility model provides a hydrogen mixing device, relates to the technical field of natural gas hydrogen mixing, and aims to improve the mixing effect of natural gas and hydrogen. The hydrogen mixing device comprises a natural gas inlet pipe, a hydrogen inlet pipe, a mixing pipe and a mixing element. The mixing element is arranged in the mixing pipe, the mixing element comprises a first fixing frame and a first blade group, the first fixing frame is provided with a first mixing channel, the first mixing channel is provided with a first mixing inlet and a first mixing outlet, the first blade group is arranged in the first mixing channel, the first blade group comprises a plurality of first blades and a plurality of second blades, the first blade extends along a first direction, one end of the second blade is connected with one end of the first blade far away from the first mixing inlet, the other end extends to the first mixing outlet along a second direction, and the orthographic projection of the first blade on the plane of the second blade is overlapped with at least part of the outline of the second blade; wherein the first direction intersects with the second direction.