7results about How to "Increase the granular structure" patented technology

The utility model discloses annealing equipment for stainless steel plate production, which comprises a box body, a door plate arranged on one side of the box body, a cooling assembly arranged in the box body, a mounting box arranged on the box body, an extraction assembly arranged on one side of the mounting box, a conversion assembly arranged in the mounting box, a fixing plate arranged on one side of the fixing plate, and an inclined pipe arranged on one side of the fixing plate. A sponge block is arranged on the other side of the fixing plate and connected with one end of a mounting frame, a sponge block is also arranged at the other end of the mounting frame, an extrusion plate is arranged at the end of the sponge block, a condensation pipe is mounted in the mounting frame, a drainage pipe is arranged on one side of the mounting box, and a driving mechanism is arranged in the mounting box. According to the annealing equipment for stainless steel plate production, water vapor is conveniently recycled through the conversion assembly, so that water resources are saved, a sponge block can be regularly extruded through an extrusion plate driven by a motor, absorbed water is discharged, and the water vapor treatment efficiency is further improved.

This invention discloses a slow-release fertilizer suitable for lateritic soils in Hainan, comprising a fertilizer core and a coating layer; the fertilizer core comprises the following raw materials in parts by weight: 10-20 parts isobutylene diurea, 1-3 parts 3,4-dimethyl-1H-pyrazole dihydrogen phosphate, 1-3 parts dicyandiamide DCD, 20-30 parts humic acid, and 30-50 parts organic fertilizer; the coating layer comprises the following raw materials in parts by weight: 5-10 parts natural nanotube halloysite, 3-5 parts bentonite, 5-10 parts cyclodextrin, 1-3 parts polyglutamic acid, 1-3 parts wood vinegar, and 5-10 parts polyacrylamide. The isobutylene diurea, humic acid, and organic fertilizer of this invention can effectively replenish organic matter and nitrogen in iron-aluminate soil, maintain soil nitrogen levels, and effectively control the conversion of ammonium nitrogen to nitrate nitrogen in lateritic soil, thereby reducing nitrogen loss and achieving a stable supply of nitrogen. In addition, polyglutamic acid and polyacrylamide have strong water retention capacity, and the fertilizer core is coated with a coating layer to achieve slow release and water retention.

The application belongs to the technical field of laser additive manufacturing, and particularly relates to an array type laser additive manufacturing method and device, which comprises the following steps: S1, digital model import and layering slicing; S2, scanning path planning and filling setting; S3, array type laser synchronous output control; S4, powder flow and powder feeding path control; S5, according to the width of the additive, the width of single track cladding is adjusted in real time; S6, according to the slice layer material of the additive, the matching material is delivered; S7, S1-S6 are repeated, and layer-by-layer accumulation is performed until the part manufacturing is completed. The application can accurately control the grain size, improve the material microstructure, and improve the mechanical properties; the generation of defects such as thermal cracks and pores is reduced, the stability of the deposition process is ensured; the interlayer bonding is optimized, the quality of multi-layer deposition is ensured; the residual stress is reduced, the size precision, shape stability and fatigue performance of the part are improved; the post-processing requirement is reduced, and the processing cost is reduced.

The application discloses a fastening assembly and a preparation method thereof, a battery device and an electric equipment, and relates to the technical field of batteries. The battery device comprises a first structural member and the fastening assembly. The fastening assembly comprises a first connecting part and a second connecting part. The first structural member has a first side end and a second side end, and is formed with a clearance hole penetrating in the first direction. The first connecting part is arranged at the first side end and is formed with an embedded groove. The groove opening of the embedded groove is opened towards the first direction and is communicated with the clearance hole. The second connecting part is arranged at the second side end and is formed with an embedded protrusion. The embedded protrusion extends into the groove opening of the embedded groove through the clearance hole and is embeddedly connected with the embedded groove. A fastening connecting part is arranged on the first connecting part or the second connecting part. According to the technical scheme, the fastening connecting part is arranged on the first structural member in the embedded connection mode of the first connecting part and the second connecting part, so that the setting difficulty is reduced, and meanwhile, the connection reliability of the first structural member is ensured.

This application relates to the field of ITO target technology, and discloses a highly uniform ITO target and its preparation method. The highly uniform ITO target comprises the following raw materials in parts by weight: 96.5-99.5 parts of ITO powder and 0.5-3.5 parts of Cu / Ni nanocomposite; wherein the weight ratio of indium oxide to tin oxide in the ITO powder is 8.8-9.3:1. This application uses specific raw materials and proportions to prepare an ITO target with excellent comprehensive performance, effectively solving the problems of uneven internal microstructure and easy deformation, warping, and cracking during sintering of existing targets.

The invention discloses a preparation process of a controlled-release fertilizer taking steel slag as a base material, which comprises the following steps: grinding and screening the steel slag to obtain 40-400-mesh steel slag powder; dissolving half of the solid nutrient in water to obtain a nutrient solution, adding the steel slag powder and the bio-based auxiliary material, fully mixing and adsorbing, and drying to obtain a nutrient-loaded substrate material; continuously mixing the residual solid nutrients with the nutrient-loaded substrate material, adding the coating material A as a binder, carrying out blending granulation in a granulator, and drying to obtain an inner core; adding the inner core into a coating machine, adding a coating material B for coating, and drying to obtain the slow / controlled-release fertilizer. According to the invention, the steel slag powder and the bio-based auxiliary material are used as carriers, heavy metal pollutants are stabilized while the soil agglomeration structure is improved through double mechanisms of physical adsorption and chemical immobilization, and the effects of slow / controlled-release fertilizer and soil improvement are realized.

The invention relates to the technical field of semiconductor manufacturing, and provides an electroless nickel-gold process of a multilayer ceramic substrate, which comprises the following specific steps: S1, pretreating the multilayer ceramic substrate to obtain a pretreated multilayer ceramic substrate; s2, depositing a copper metal layer on the pretreated multilayer ceramic substrate to obtain a pretreated multilayer ceramic substrate with a metal surface; s3, the pretreated multilayer ceramic substrate with the metal surface is subjected to palladium alloy electroplating and chemical nickel plating to form a nickel plating layer, and a metalized multilayer ceramic substrate is obtained; in the step S1, the pretreatment comprises surface cleaning and activating treatment; in the step S3, when the palladium alloy is electroplated, the adopted electrolyte comprises lanthanum salt and cobalt salt. According to the technical scheme, the problem that the corrosion resistance of chemical nickel plating of the multilayer ceramic substrate is poor in the prior art is solved.