3results about How to "Uniform fineness" patented technology

The application discloses a kind of red valley wine fermentation by-product recovery device, and the application relates to the technical field of liquor production;Including: extrusion tank, drying box, crushing tank, the structural design of the application by airflow conveying, step-by-step plugging and chamber sealing cooperation, can realize the effective separation of residual wine and vinasse material before red valley vinasse treatment early stage, avoid alcohol and functional active ingredients loss in the process of conveying and crushing, simultaneously create good conditions for vinasse subsequent resource utilization, effectively solve the problem that traditional processing technology cannot adapt to the nature of red valley vinasse, easy to cause active ingredient loss, significantly improve the utilization rate of by-product and resource recovery value.

The utility model relates to the technical field of silicon material processing, in particular to equipment for integrating fine grinding and surface modification of silicon powder. Comprising a bottom frame, the top of the bottom frame is fixedly connected with an upper frame, the bottom end of the bottom frame is fixedly connected with a supporting plate, the top of the bottom frame is fixedly connected with a conveying charging barrel, the top of the upper frame is fixedly connected with a feeding box, and the feeding box is connected with the feeding end of the conveying charging barrel through a connecting channel; the output end of the motor is fixedly connected with a first transmission wheel, a transmission rod rotationally connected with the transmission barrel penetrates through the transmission barrel, the outer side of the transmission rod is fixedly sleeved with a spiral blade, the end, away from the connecting channel, of the transmission barrel is provided with a discharging port, one end of the transmission rod is fixedly connected with a second transmission wheel, and a smashing mechanism is arranged in the feeding box. The utility model aims to solve the problems of complicated operation, low production efficiency, high environmental pollution risk, unstable product performance and the like in the existing silicon powder fine crushing and surface modification step-by-step treatment process.

The application relates to the technical field of electronic paste, and relates to lead-free sealing silver paste for vacuum glass and a preparation method thereof. The lead-free sealing silver paste comprises spherical silver powder, lead-free low-temperature glass powder, an organic carrier and a functional additive. The lead-free low-temperature glass powder is a Bi2O3-B2O3-ZnO-CuO system and / or a V2O5-P2O5-TeO2-ZnO system. The organic carrier comprises alpha-terpineol, ethyl cellulose and ester alcohol twelve, and other additives can be added. The functional additive is selected from polyether acid, silane coupling agent, hydrogenated castor oil and the like. The lead-free sealing silver paste can complete sintering at low temperature, has high adhesive strength and high air tightness with tempered glass, has high strength retention rate for the tempered glass, low air release rate, good cold and hot cycle stability, and completely meets environmental protection requirements, and has the characteristics of low cost, high performance and green environmental protection.