7results about How to "Eliminate effective" patented technology

The application provides a preparation method of a flat epitaxial diamond semiconductor and relates to the technical field of diamond semiconductor preparation. The preparation method comprises the following steps: cleaning a microwave plasma device chamber, pretreating a single crystal diamond substrate, etching the single crystal diamond substrate and preparing a hydrogen-terminated diamond semiconductor, wherein a magnetic field generated by a magnetic excitation coil is used to constrain the microwave plasma in the microwave vapor deposition device, so that carbon atoms are uniformly and rapidly deposited on the single crystal diamond substrate, and finally, a single crystal diamond epitaxial layer with a flat surface is obtained. The preparation method of the application can synergistically optimize the carrier mobility, surface density and square resistance of the hydrogen-terminated diamond semiconductor, is simple and easy to operate, has low cost and low energy consumption, is high in efficiency, and is beneficial to industrial large-scale production and popularization.

The invention provides a photo-curing-based deodorizing sanitary ball as well as a preparation method and application thereof, and the sanitary ball comprises the following components in parts by weight: 35-80 parts of an acrylate prepolymer and a reactive diluent, 5-30 parts of a solid organic active matter, 3-20 parts of an MOF catalytic filler, 2-15 parts of a microencapsulated aromatic and 0.5-8 parts of an auxiliary agent. According to the invention, an acrylate prepolymer system forms a high-strength and high-crosslinking three-dimensional network skeleton through photopolymerization, so that the water washing resistance and the structural durability are remarkably improved, and the problem that a traditional material is easy to disintegrate is solved; the normal-temperature photocuring process is adopted, damage of high temperature to thermosensitive components is avoided, multiple effects of catalysis, neutralization and slow release can be achieved by adding the solid organic active matter, the MOF catalytic filler and the microencapsulation aromatic into the sanitary ball, efficient and lasting deodorization is guaranteed, and meanwhile the service life of the product is prolonged.

The utility model discloses a biomass combustion particle production screening device, relates to the technical field of screening equipment, and solves the technical problems that air supply, dust removal and mote impurity elimination cannot be carried out in the screening process in the existing technical scheme, the biomass combustion particle production screening device comprises a main base, and a stand column is fixedly installed on the upper wall face of the main base. A main machine box is fixedly installed on the stand column, a screening barrel is rotatably installed in the main machine box, and a wind power pre-screening structure is arranged above the screening barrel. Through cooperative operation of the wind power pre-screening structure and the dust removal and air supply structure, air supply and dust removal are achieved in the screening process, and tiny dust impurities are effectively eliminated; due to the upper and lower throwing parts of the wind power pre-screening structure, the materials are dispersed more uniformly, and the pre-screening effect is better; and an air supply fan, an air filtering plate and a resistance heating wire in the clean air supply structure can blow away and filter tiny dust, meanwhile, air is heated, screening is prevented from being affected by moisture, and the purity of finished product particles is improved.

The application discloses a high-precision and high-efficiency grinding titanium alloy ceramic grinding wheel and a preparation method thereof. The high-precision and high-efficiency grinding titanium alloy ceramic grinding wheel comprises a rough grinding wheel and a fine grinding wheel, and the rough grinding wheel and the fine grinding wheel are both made of green silicon carbide and a ceramic binder. In the rough grinding wheel, the green silicon carbide accounts for 82-90 wt%, and the ceramic binder accounts for 10-18 wt%. The ceramic binder is composed of clay 25-30%, feldspar 35-40%, borosilicate glass 25-30%, lithium carbonate 0.5-1%, talc powder 2.5-5%, bentonite 1.5-2.8% and dextrin powder 2-4.5%. In the fine grinding wheel, the green silicon carbide accounts for 88-92 wt%, and the ceramic binder accounts for 8-12 wt%. The ceramic binder is composed of clay 23-35%, feldspar 29-46%, borosilicate glass 21-32%, talc powder 2-3%, lithium carbonate 0.3-0.6%, dextrin powder 1.5-2.4% and bentonite 1.2-1.8%.

The invention discloses a wind power main shaft and a surface strengthening layer microdefect control method thereof, and belongs to the technical field of metal material surface modification. The method comprises the following steps: carrying out heat treatment and surface purification treatment on a wind power main shaft base body, then carrying out multi-energy field composite surface strengthening treatment, and then carrying out defect elimination treatment and stress optimization treatment; the heat treatment comprises quenching treatment and high-temperature tempering treatment; the multi-energy field composite surface strengthening treatment comprises preheating and hydrogen trap setting, low-temperature ion nitriding and laser remelting-quenching composite treatment; the defect elimination treatment and the stress optimization treatment comprise low-temperature dehydrogenation and stabilization treatment for eliminating defects, and shot blasting treatment and polishing treatment for stress optimization. By means of the method, systematic control over microcracks, harmful phases, the hydrogen content and unfavorable residual stress in the strengthened layer can be achieved, so that the high-quality strengthened layer which is compact in microstructure, few in defect and optimized in stress state is obtained, the anti-fatigue performance of the wind power spindle is greatly improved, and the service life of the wind power spindle is greatly prolonged.

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 application relates to a washing and drying integrated machine and a control method thereof. The washing and drying integrated machine comprises an evaporator, a condenser and a washing barrel; an air inlet channel for drying is arranged between the condenser and the washing barrel, an air outlet channel for drying is arranged between the washing barrel and the evaporator; a filter screen is arranged at the end of the air outlet channel for drying, and a water film eliminating channel is further arranged; the front end of the water film eliminating channel is communicated with the air inlet channel for drying, the rear end is arranged on one side of the filter screen, and the air outlet direction is towards the filter screen. The scheme can quickly eliminate the water film on the filter screen after the filter screen is cleaned by using water flow, effectively circulate the air inlet channel for drying and the air outlet channel for drying during drying, improve the drying efficiency of the washing and drying integrated machine, reduce energy consumption, effectively guarantee the use performance of the washing and drying integrated machine, and improve the use experience of users.