8results about How to "Wide operating range" patented technology

The embodiment of the invention provides auxiliary mounting equipment and a debugging method, the auxiliary mounting equipment is used for mounting and debugging an off-axis parabolic mirror, and the auxiliary mounting equipment comprises a constraint diaphragm which is used for blocking edge light beams in incident light and only allowing a central light beam of the incident light to pass through; the angle measuring devices are arranged on one side of the constraint diaphragm at intervals along the incident direction of the light; the focus positioning devices are arranged on one side of the angle measuring device at intervals in the reflection direction of the light, and the focus positioning devices are used for positioning the focus of the off-axis parabolic mirror; the cable comprises a first section and a second section, the first section is connected with the constraint diaphragm and the angle measuring device, and the second section is connected with the angle measuring device and the focus positioning device; wherein the angle measuring device is used for measuring an included angle alpha between the first section and the second section. According to the auxiliary mounting equipment provided by the embodiment of the invention, the mounting and debugging operation of the off-axis parabolic mirror is greatly simplified, and the working efficiency and the overall performance of the system are remarkably improved.

The invention discloses an exhaust gas treatment device for a paint spraying room, which belongs to the technical field of exhaust gas treatment. The exhaust gas treatment device for a paint spraying room comprises a shell component, the shell component comprises a treatment box, the top of the treatment box is connected with an air inlet pipe, the outer end of the air inlet pipe is connected with the inside of the paint spraying room through an exhaust pump, a plurality of activated carbon adsorption layers are arranged on the inner side of the shell component, a filter plate is arranged on the inner bottom of the treatment box, a spray component located above the activated carbon adsorption layer is arranged on the treatment box, a suction component is arranged between the activated carbon adsorption layer and the spray component, the outer end of the suction component is connected with a rotating component arranged on the outer side of the treatment box, a stirring component is arranged on the inner wall of the treatment box, and a pulling component matched with the activated carbon adsorption layer is arranged on the treatment box. The exhaust gas treatment device for a paint spraying room has the advantages of efficient purification, flexible linkage, high purification efficiency, wide coverage area, quick disassembly and assembly, convenient operation, reliable structure and simple and practical use.

The application discloses a kind of safety belt electric cleaning device for electrical equipment, it is related to electromechanical equipment technical field, technical scheme is, including insulating shell, insulating rope, insulating support rod, multiple insulating balls are fixedly installed on the insulating rope, recycling passage, communication passage, air injection passage, sponge barrel are equipped in the inside of insulating shell, the inside of sponge barrel is equipped with multiple evenly distributed annular protrusions, six struts are further equipped in the inside of sponge barrel and are arranged according to annular array with sponge barrel as center, fixed end cap is fixedly connected to one end of the strut, movable end cap is installed to the other end of the strut, dirt on the surface of electrical equipment is dissolved by cleaning fluid and is carried away by insulating rope and insulating ball, avoid dirt and insulating cleaning fluid to splash to the surface of electrical equipment around, all the devices are made of insulating material, can be charged cleaning to electrical equipment.

This invention relates to the field of pharmaceutical synthesis technology, specifically disclosing a method for preparing a gipotassium intermediate. The method uses 2-aminopropane-1,3-diol and 6-methoxy-2-chloro-3-nitropyridine as starting materials, and proceeds through multiple steps including nucleophilic substitution, acetal protection, reduction, N-alkylation, cyclization, oxidation, deprotection, sulfonation, and deprotection-salting-desalting reactions to obtain a target intermediate with high optical purity. This invention optimizes the reaction system and process conditions, especially in the downstream chiral construction stage, innovatively integrating the removal of the Boc protecting group and chiral separation into a single step. Utilizing the selective precipitation of the target diastereomeric salt by levonormonal camphor sulfonic acid in an acetonitrile system, it achieves integrated reaction and separation, effectively solving the technical bottlenecks of existing technologies that rely on preparative chiral chromatography columns, such as lengthy synthetic routes, low overall yields, harsh reaction conditions, dependence on expensive or hazardous reagents, and difficult purification.

The present invention relates to the technical field of Internet of Things, and in particular to a method for creating an intelligent scheduling platform for auxiliary transportation of mines, the method comprising the following steps: obtaining UWB tag data of a mine car in a secondary inclined shaft, and performing signal time difference analysis according to the UWB tag data of the mine car in the secondary inclined shaft, thereby obtaining signal time difference data; constructing three-dimensional coordinates of the mine car according to the signal time difference data, thereby obtaining three-dimensional coordinate data of the mine car; obtaining data of a mine car blocker in the secondary inclined shaft, and extracting brake structure features of the mine car according to the data of the mine car blocker in the secondary inclined shaft, thereby obtaining brake structure data of the mine car; performing mine car simulation according to the brake structure data of the mine car and the three-dimensional coordinate data of the mine car, thereby obtaining mine car simulation data; performing high-risk mine car number setting according to the mine car simulation data, thereby obtaining high-risk mine car number data. The present invention realizes efficient mine car material transportation scheduling based on Internet of Things technology and optimizes mine production efficiency.

The invention relates to a colored flash non-woven fabric as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The colored flash non-woven fabric provided by the invention is prepared from the following components in parts by mass: 55 to 85 parts of high-density polyethylene resin, 10 to 30 parts of first polyamide resin, 1 to 8 parts of maleic anhydride grafted polyethylene, 1 to 4 parts of montmorillonite and 5 to 15 parts of colored master batch. The colored flash evaporation non-woven fabric provided by the invention has excellent moisture permeability, water permeability resistance and strength on the basis of good color fastness. Therefore, the material can be effectively applied to preparation of decorative materials and daily supplies. Meanwhile, the coloring flash evaporation non-woven fabric is wide in raw material source, and practical production is facilitated.

This invention relates to a method for recovering associated zinc from copper concentrate during copper smelting, belonging to the field of non-ferrous metal smelting and mineral processing technology. The method includes: preparing and grinding copper concentrate to obtain a finely ground slurry; the -0.074 mm particles in the finely ground slurry constitute 92-95% of the total solid particles; mixing the finely ground slurry with a copper collector and a zinc inhibitor; the zinc inhibitor contains sulfur dioxide, and the mixing temperature of the zinc inhibitor and the finely ground slurry is 40-50°C; and using microbubble flotation technology to separate copper from zinc concentrate using flotation, obtaining copper concentrate and zinc concentrate; the foam diameter of the microbubble flotation is 30-80 μm. This invention achieves efficient inhibition of zinc minerals by controlling the copper flotation separation temperature, at which waste sulfur dioxide is used synergistically as a zinc inhibitor, further controlling the particle size of the fine grinding and the foam diameter during flotation, thus constructing an integrated copper-zinc separation and zinc recovery process.

The invention discloses a seaweed cellulose nanofiber aerogel material for LAMP (loop-mediated isothermal amplification) detection of meat product adulteration as well as preparation and application of the seaweed cellulose nanofiber aerogel material, and belongs to the technical field of food adulteration detection. The aerogel material has the characteristics of a hydrophilic outer surface, a hydrophobic inner cavity and positive charges, and can effectively adsorb and firmly bind negatively charged DNA in aerosol, so that aerosol pollution in an LAMP test is prevented, and false positive results are reduced. The preparation method is simple, the cost is low, the detection kit containing the aerogel material ensures effective control of aerosol pollution in the detection process, and the detection accuracy and reliability are improved. The detection method is simple and convenient to operate and easy to implement, can be widely applied to the field of meat product adulteration detection, and is expected to be expanded to the field of food detection of dairy products, aquatic products and the like. The method not only solves the problem that the existing LAMP technology is easily polluted by aerosol, but also improves the detection sensitivity and specificity, and has wide application prospect and important social value.