摘要：【中文】本发明涉及一种洋葱结构的高纯球形纳米二氧化硅的制备方法，属于纳米材料制备技术领域。本发明将高纯二氧化硅和高纯碳混合均匀置于加热反应器中，在温度为1500~2200℃下进行碳热还原反应得到SiO和CO的混合气体以及底层硅熔体；利用气体捕集装置将SiO和CO混合气体导入冷凝管道中，同时将过量氧气匀速通入冷凝管内与SiO和CO混合气体反应生成高纯球形纳米SiO₂核和CO₂；控制冷凝管道的温度梯度，调控高纯球形纳米SiO₂核外层SiO₂生长的层数和粒度得到洋葱结构的高纯球形纳米SiO₂；气固分离洋葱结构的高纯球形纳米SiO₂和CO₂气体。本发明工艺流程短、操作简单、经济效益高、节能环保，为高纯球形纳米二氧化硅的大规模低成本制备提供了可靠的技术途径。 【EN】The invention relates to a preparation method of high-purity spherical nano silicon dioxide with an onion structure, belonging to the technical field of nano material preparation. Uniformly mixing high-purity silicon dioxide and high-purity carbon, placing the mixture in a heating reactor, and carrying out carbothermic reduction reaction at 1500-2200 ℃ to obtain a mixed gas of SiO and CO and a bottom layer silicon melt; introducing SiO and CO mixed gas into a condensing pipe by using a gas trapping device, and simultaneously introducing excessive oxygen into the condensing pipe at a constant speed to react with the SiO and CO mixed gas to generate high-purity spherical nano SiO₂Nucleus and CO₂(ii) a Controlling the temperature gradient of the condensation pipeline and regulating and controlling the high-purity spherical nano SiO₂SiO layer of core₂Growing layers and granularity to obtain high-purity spherical nano SiO with onion structure₂(ii) a High-purity spherical nano SiO with gas-solid separation onion structure₂And CO₂A gas. The method has the advantages of short process flow, simple operation, high economic benefit, energy conservation and environmental protection, and provides a reliable technical approach for large-scale low-cost preparation of the high-purity spherical nano silicon dioxide.

摘要：本发明提供一种改善泥沙磨损特性的混流式水轮机优化设计方法及装置，所述方法包括：确定目标函数，并基于目标函数优化得到转轮叶片参数组合，其中，目标函数由第一目标函数、第二目标函数以及第三目标函数构成，第一目标函数为描述待优化混流式水轮机的最小化叶片表面平均流速的目标函数；第二目标函数为描述待优化混流式水轮机的最大化水轮机效率的目标函数；第三目标函数为描述待优化混流式水轮机的最小化泥沙浓度局部富集系数的目标函数；基于转轮叶片参数组合对待优化混流式水轮机的转轮叶片进行优化处理得到优化后混流式水轮机。实现了优化后混流式水轮机能够降低转轮叶片表面流速，增强抗磨损能力，进而改善泥沙磨损特性。

摘要：【中文】本发明涉及金属硅加工设备技术领域，且公开了一种金属硅破碎装置，包括粉碎箱，所述粉碎箱的顶部和底部分别固定安装有进料箱和底座，所述进料箱的外侧固定安装有一端与粉碎箱顶部固定连接的安装架，所述进料箱的顶部连通有进料杆，所述进料箱的内腔固定安装有隔板，所述进料箱的右侧固定安装有箱体，箱体内腔的右侧壁固定安装有驱动电机，驱动电机的输出轴固定连接有一端贯穿至进料箱内腔的套杆，套杆的左侧固定安装有主动圆锥齿轮，主动圆锥齿轮的顶部啮合有从动圆锥齿轮，从动圆锥齿轮的轴心处固定连接有驱动杆。该金属硅破碎装置，整体结构简单，提高了金属硅的粉碎质量，提高了装置粉碎效果好的目的，便于使用。 【EN】The invention relates to the technical field of metal silicon processing equipment and discloses a metal silicon crushing device which comprises a crushing box, wherein the top and the bottom of the crushing box are respectively and fixedly provided with a feeding box and a base, the outer side of the feeding box is fixedly provided with an installation frame, one end of the installation frame is fixedly connected with the top of the crushing box, the top of the feeding box is communicated with a feeding rod, an inner cavity of the feeding box is fixedly provided with a partition plate, the right side of the feeding box is fixedly provided with a box body, the right side wall of the inner cavity of the box body is fixedly provided with a driving motor, an output shaft of the driving motor is fixedly connected with a loop bar, one end of the output shaft penetrates through the inner cavity of the feeding box, the left side of the loop bar is fixedly provided with a driving conical gear, the top of the. This metallic silicon breaker, overall structure is simple, has improved the crushing quality of metallic silicon, has improved the effectual purpose of device crushing, convenient to use.

摘要：【中文】本发明涉及工业硅渣中单质硅高效回收的方法，属于硅废料资源回收技术领域。本发明将熔融工业硅渣倒出进行保温冷却，破碎后得到含工业硅颗粒的硅渣颗粒；将硅渣颗粒破碎，根据硅与渣的光学特性差异，将破碎的硅渣颗粒进行一次色选得到达到工业硅品质要求的硅颗粒和硅渣颗粒，将硅颗粒直接返回工业硅精炼；将硅渣颗粒破碎，再进行一次或二次色选分离得到精矿、中矿、尾矿三种产物，其中精矿为工业单质硅产品颗粒，中矿中单质硅的含量为5‑20%，尾矿中单质硅的含量为2‑5%，中矿经重熔实现渣硅的分离得到单质硅和硅渣，硅渣中单质硅的质量含量不高于2%。本发明可回收90%以上硅渣中的单质硅以实现硅渣的分值利用，工艺简单，生产成本低，效率高。 【EN】The invention relates to a method for efficiently recovering simple substance silicon in industrial silicon slag, belonging to the technical field of silicon waste resource recovery. Pouring out the molten industrial silicon slag, preserving heat, cooling, and crushing to obtain silicon slag particles containing industrial silicon particles(ii) a Silicon slag particlesCrushing, namely crushing silicon slag particles according to the difference of optical characteristics of silicon and slagPerforming primary color selection to obtain silicon particles and silicon slag particles meeting the industrial silicon quality requirementDirectly returning the silicon particles to the industrial silicon for refining; silicon slag particlesCrushing, and performing primary or secondary color separation to obtain three products, namely concentrate, middling and tailing, wherein the concentrate is industrial elemental silicon product particles, the content of elemental silicon in the middling is 5-20%, the content of elemental silicon in the tailing is 2-5%, the middling is remelted to realize separation of slag and silicon to obtain elemental silicon and silicon slag, and the mass content of the elemental silicon in the silicon slag is not higher than 2%. The method can recover more than 90 percent of simple substance silicon in the silicon slag to realize the value utilization of the silicon slag, and has the advantages of simple process, low production cost and high efficiency.

摘要：【中文】本发明涉及一种工业硅渣中渣硅高效分离的方法，属于工业硅渣处理的技术领域。本发明将熔融工业硅渣匀速倒入水淬池的淬火介质中急速冷却，再进行固液分离、脱水处理得到颗粒状单质硅和渣硅的混合物；颗粒状单质硅和渣硅的混合物经色选机色选分离得到单质硅颗粒和渣硅颗粒。本发明对工业硅渣进行水淬造粒分离硅和渣得到颗粒状单质硅和渣硅的混合物，颗粒状单质硅和渣硅的混合物经色选分离实现单质硅和硅渣的高效分离。本发明工艺简单，实现硅渣中夹杂的单质硅的高效回收利用，工艺简单，生产成本低，效率高，易于实现产业化应用。 【EN】The invention relates to a method for efficiently separating slag silicon from industrial silicon slag, and belongs to the technical field of industrial silicon slag treatment. Pouring molten industrial silicon slag into a quenching medium of a water quenching tank at a constant speed for rapid cooling, and then carrying out solid-liquid separation and dehydration treatment to obtain a mixture of granular elemental silicon and slag silicon; and carrying out color separation on the mixture of the granular simple substance silicon and the slag silicon by a color separator to obtain simple substance silicon particles and slag silicon particles. The industrial silicon slag is subjected to water quenching granulation to separate silicon and slag to obtain a mixture of granular elemental silicon and slag silicon, and the mixture of the granular elemental silicon and the slag silicon is subjected to color selection separation to realize efficient separation of the elemental silicon and the silicon slag. The method has the advantages of simple process, realization of efficient recycling of the elemental silicon mixed in the silicon slag, simple process, low production cost, high efficiency and easy realization of industrial application.

摘要：【中文】本发明涉及一种散热板及伺服驱动器，散热板包括安装板和散热翅片，所述安装板和所述散热翅片的背面用于安装发热装置，所述散热翅片的顶部与所述安装板的底部固定连接，所述散热翅片上设置有切槽，所述切槽的延伸方向与所述散热翅片的延伸方向的夹角大于零度且小于或等于90度。本发明的技术方案能够提高伺服驱动器的散热能力，进而保证伺服驱动器的性能和使用寿命。 【EN】The invention relates to a heat dissipation plate and a servo driver, wherein the heat dissipation plate comprises a mounting plate and heat dissipation fins, the back surfaces of the mounting plate and the heat dissipation fins are used for mounting a heating device, the tops of the heat dissipation fins are fixedly connected with the bottom of the mounting plate, the heat dissipation fins are provided with cutting grooves, and the included angle between the extending direction of the cutting grooves and the extending direction of the heat dissipation fins is larger than zero degree and smaller than or equal to 90 degrees. The technical scheme of the invention can improve the heat dissipation capacity of the servo driver, thereby ensuring the performance and the service life of the servo driver.

摘要：【中文】本发明公开了一种基于水平旋转的多色注塑装置，包括机架、定模板（1）、移动模板（2）、拉杆（3）、移模油缸（4）和射台，所述的定模板（1）设置在拉杆（3）的一端，所述的移动模板（2）套设于拉杆3的另一端，所述移模油缸（4）安装于机架上，移模油缸（4）的活塞端与移动模板（2）连接以带动其移动；所述多色注塑装置还包括中板（5），所述中板（5）位于定模板（1）和移动模板（2）之间，在移动模板（2）与中板（5）之间设置第一模具（10），在中板（5）与定模板（1）之间设置第二模具（11）。本发明采用多个射台，一次开合模可以实现两个产品的注射，同时可以根据需要转动中板，以实现多色注射。 【EN】The invention discloses a multi-color injection molding device based on horizontal rotation, which comprises a rack, a fixed template (1), a movable template (2), a pull rod (3), a mold moving oil cylinder (4) and an injection platform, wherein the fixed template (1) is arranged at one end of the pull rod (3), the movable template (2) is sleeved at the other end of the pull rod (3), the mold moving oil cylinder (4) is arranged on the rack, and the piston end of the mold moving oil cylinder (4) is connected with the movable template (2) to drive the movable template to move; the multicolor injection molding device further comprises a middle plate (5), wherein the middle plate (5) is positioned between the fixed mold plate (1) and the movable mold plate (2), a first mold (10) is arranged between the movable mold plate (2) and the middle plate (5), and a second mold (11) is arranged between the middle plate (5) and the fixed mold plate (1). The invention adopts a plurality of injection tables, the injection of two products can be realized by opening and closing the mold once, and simultaneously the middle plate can be rotated according to the requirement to realize multicolor injection.

摘要：【中文】本发明公开了一种有色冶炼含砷污酸无害化处置的方法，属于重金属废水治理领域；首先将红土镍矿干燥球磨磁选，得到富铁镍矿和其他杂质；将富铁镍矿、有色冶炼含砷污酸和H₂O₂溶液均匀混合，在常温下进行沉砷反应，得到含砷固态物和滤液A；含砷固态物干燥磁选，获得富铁镍矿和含砷沉淀物A，富铁镍矿返回到沉砷反应中；滤液A则加入碱性氧化物调节pH为8~10，再加入FeSO₄反应，最后固液分离，得到含砷沉淀物B和滤液B，滤液B达到工业排放标准；本发明方法工艺流程简单，除砷效果明显；利用廉价的红土镍矿除砷，为重有色冶炼污酸处置提供了一种高效和低成本的方法。 【EN】The invention discloses a method for harmlessly treating arsenic-containing waste acid in nonferrous smelting, belonging to the field of heavy metal wastewater treatment; firstly, drying, ball-milling and magnetic separating laterite-nickel ore to obtain iron-rich nickel ore and other impurities; arsenic-containing waste acid and H are smelted from iron-rich nickel ore and nonferrous metal₂O₂Uniformly mixing the solution, and performing arsenic precipitation reaction at normal temperature to obtain an arsenic-containing solid and a filtrate A; drying and magnetically separating the arsenic-containing solid to obtain iron-rich nickel ore and arsenic-containing precipitate A, and returning the iron-rich nickel ore to the arsenic precipitation reaction; adding alkaline oxide into the filtrate A to adjust the pH to 8-10, and then adding FeSO₄Reacting, and finally performing solid-liquid separation to obtain arsenic-containing precipitate B and filtrate B, wherein the filtrate B reaches the industrial discharge standard; the method and the process of the inventionThe process is simple, and the arsenic removal effect is obvious; the method for removing arsenic from the low-cost laterite-nickel ore provides a high-efficiency and low-cost method for the treatment of heavy nonferrous smelting waste acid.