9results about How to "Large loading capacity" patented technology

The embodiment of the invention relates to a solar cell, a preparation method thereof and a photovoltaic module. The preparation method of the solar cell comprises the following steps: providing a semiconductor substrate; forming a tunneling layer on the surface of the semiconductor substrate; sequentially forming an undoped initial intrinsic material layer and a doping layer containing a dopant on the surface of the tunneling layer; the dopant comprises any one of an N-type dopant and a P-type dopant; and performing heat treatment on the initial intrinsic material layer and the doped layer, so that the dopant in the doped layer is diffused to the initial intrinsic material layer, and the initial intrinsic material layer is at least partially crystallized, so that the initial intrinsic material layer is converted into a doped passivation layer.

The utility model discloses a top illumination reactor, including outer tube structure, the outer tube structure includes outer tube body, and the upper end side of outer tube body is connected with the air inlet pipe, and the upper and lower both ends of outer tube body are connected with upper butt joint and lower butt joint respectively, the light guide column is arranged in the inside of outer tube body, the diameter of light guide column is less than the cavity diameter of outer tube body, and the lower end of light guide column is provided with hopper, the utility model belongs to photocatalysis technical field, and the utility model discloses the purpose at in the existing technology two sides circular light window place poor tightness and the characterization test of being not conducive to catalyst recovery after, and the uneven distribution of liquid film will also influence the mass transfer efficiency problem. The technical effect for reaching is: through optimizing the illumination conduction and catalyst contact structure, the photocatalytic reaction efficiency is improved significantly, adopts the top illumination design cooperation with light block and conical structure, can disperse the light source into uniform large area illumination, ensures the light uniformity of catalyst bed layer.

The utility model relates to a feeding and transferring mechanism of a full-automatic suspension conveying chain, which belongs to the technical field of automotive trim production, solves the problems of complex structure, limited load capacity, unstable operation, complex operation, low production efficiency and safety risk in the prior art, and is characterized in that the upper end of a rear chain of a lifting chain is fixedly connected with the lower end of a steering connecting plate respectively; the upper end of a front chain of the lifting chain is upwards connected with a lifting ring at the lower end of the rear side of the hanging tool support, then connected with driving teeth of the double-chain wheel through a lifting ring at the upper end of the rear side of the hanging tool support, and then connected with the upper end of the steering connecting plate through steering of the driving teeth of the double-chain wheel. And the transferring mechanism comprises a grabbing lifting hook which is hinged to the lower end of the sliding block of the hanging tool guide rail through a lifting hook rotating shaft and used for grabbing the moving trolley. The lifting device has the beneficial effects that the structure is simple, the load capacity is large, the operation is stable, the production efficiency is improved, the risk of production line stop caused by the catenary suspension problem is reduced, and the production cost is reduced.

The application discloses a kind of wing-body fusion layout unmanned aerial vehicle's aerodynamic shape, it is related to low-altitude economic unmanned aerial vehicle high lift-drag ratio flight technical field, including wing-body part, the rear end of the upper surface of wing-body part is equipped with V-tail, engine is installed between the opposite surface of V-tail, the wing-body part with the V-tail is equipped with control surface part on;The lower surface of wing-body part is equipped with landing gear;The wing-body part includes inner wing and outer wing, the inner wing with the outer wing is symmetrically arranged, the edge of outer wing is equipped with wing tip;The leading edge sweep angle of wing-body part is 20 °, the trailing edge sweep angle of wing-body part is 17 °.The application discloses a kind of wing-body fusion layout unmanned aerial vehicle's aerodynamic shape, has better aerodynamic performance, stronger carrying capacity and lower noise;Appearance is simple, and cruise efficiency is high, suitable for engineering practical application.

The present invention discloses a device and method for treating high-boiling substances produced as a by-product of polysilicon, and relates to the field of polysilicon by-product treatment. A device and method for treating high-boiling substances produced as a by-product of polysilicon, wherein anhydrous hydrogen chloride and high-boiling substances produced as a by-product of polysilicon production are reacted together in a fixed bed reactor, wherein the anhydrous hydrogen chloride and high-boiling substances produce low-boiling monochlorosilane, thereby converting the polysilicon by-product into a raw material for polysilicon production, and realizing the comprehensive utilization of the polysilicon by-product. The high-boiling substance treatment device and method of the present invention have the advantages of large loading amount of amino resin catalyst, convenient replacement of amino resin catalyst, effective prevention of catalyst carbonization due to heat, and reduction of the use amount of catalyst for high-boiling substances produced as a by-product of polysilicon.

The utility model discloses a large drawing machine winding frame capable of arranging wires for cable production, and belongs to the technical field of wire and cable production equipment. Comprising a bottom plate, a circle of outer vertical rods and a circle of inner vertical rods are evenly distributed and fixed on the circumference of the bottom plate, the circle where the outer vertical rods are located and the circle where the inner vertical rods are located are concentric circles, outer rings are arranged on the tops of the outer vertical rods, a top plate is arranged on the tops of the inner vertical rods, and a plurality of wire arranging wheels are evenly distributed on the upper portions of the inner vertical rods. According to the utility model, the length of the wire arranging rod I and the length of the wire arranging rod II of the wire arranging wheel are different, coils are guided to fall into different areas in the wire containing cylinder, the normal distribution phenomenon caused by free falling of conductors is eliminated, the collapse and winding of the coils are reduced, and the smoothness of paying off is improved; the coils are evenly and tightly arranged in the wire containing barrel, and the loading capacity is increased.

The application relates to a sodium-ion battery positive electrode material, a manufacturing method thereof, a positive electrode sheet and a battery. The positive electrode material comprises a first component material and a second component material, the first component material is a polyanion material, the second component material is one or more of a polyanion material and / or a layer oxygen material, and the discharge platform voltage of the first component material is less than that of the second component material; the second component material is coated on the surface of the first component material, or the first component material is coated on the surface of the second component material, or the second component material and the first component material coexist in a graded manner. The application also provides a positive electrode sheet, which comprises a current collector and a first coating layer and a second coating layer arranged in sequence, the first coating layer comprises the first component material, and the second coating layer comprises the second component material. The application controls the voltage, particle size and ratio of the two component materials, so that the positive electrode material has both energy density and cycle stability.

The invention relates to a quantum dot collaborative coupling reflective display device and a manufacturing method thereof, the device comprises a plurality of precisely arranged pixel structures, and each pixel structure is further subdivided into sub-pixel structures of different colors so as to realize precise control of full-color display. Each sub-pixel structure comprises a first electrode, a second electrode and a containing cavity formed between the first electrode and the second electrode, and the containing cavity is filled with electronic ink. The black pigment particles and the quantum dot-pigment particle complex have different potentials under the action of an electric field and can be driven by the electric field to generate ordered migration, so that dynamic regulation and control of display contents are realized. The quantum dots can absorb incident light with a specific wavelength and convert the incident light into light with a corresponding color by virtue of unique fluorescence characteristics of the quantum dots, and the black pigment particles are responsible for absorbing light with a non-target wavelength, so that the contrast ratio is enhanced. And due to the application of the quantum dot-pigment particle complex, the display device can present richer and more accurate colors, and the visual experience is improved.

The present application relates to the technical field of sulfuric acid production, and particularly relates to a device and method for producing sulfuric acid from high-concentration SO2 flue gas. The device and method improve the conversion rate by reforming the equipment in the purification section of the device for producing sulfuric acid from high-concentration SO2 flue gas, reducing the resistance of the device, improving the flue gas receiving capacity of the whole device, increasing the catalyst loading of the converter, improving the catalyst loading coefficient of the converter, timely screening, backfilling and supplementing new catalyst for each layer of the converter after the device is operated for a period of time, and increasing the loading amount. The device and method also increase the circulating water cooling system, improve the cooling effect of the circulating water, and meet the cooling requirements of the process for producing sulfuric acid from high-concentration SO2 flue gas.