摘要：【中文】一种提高氮化钒铁回收率的方法，包括以下步骤：步骤一、将回收废料进行预处理、一次煅烧；步骤二、破碎研磨；取部分粉状研磨原料放入酸液中进行反应物；步骤三、过滤，取滤液，测量滤液中铁元素、铝元素和钒元素的含量；步骤四、取步骤二所得的粉状研磨原料，加入铁粉、铝粉和钒单体；步骤五、二次煅烧；步骤六、高温还原，氮化，生成氮化钒铁。本发明通过对回收废料的预处理和溶解，从而对取样溶液进行内部各元素的测定，精确的了解每批次原料中的钒含量，根据其含量多少配置相应的合金元素重新进行氮化形成氮化钒铁，能提高氮化钒铁的回收率至90%以上。 【EN】A method for improving the recovery rate of nitrided ferrovanadium comprises the following steps: step one, carrying out pretreatment and primary calcination on the recovered waste; step two, crushing and grinding; putting part of the powdery grinding raw materials into acid liquor to carry out reactant; step three, filtering, namely taking the filtrate, and measuring the contents of iron element, aluminum element and vanadium element in the filtrate; step four, taking the powdery grinding raw material obtained in the step two, and adding iron powder, aluminum powder and vanadium monomer; step five, secondary calcination; and sixthly, reducing at high temperature, and nitriding to generate nitrided ferrovanadium. According to the invention, through pretreatment and dissolution of the recovered waste, the internal elements of the sampling solution are measured, the vanadium content of each batch of raw materials is accurately known, corresponding alloy elements are configured according to the content of the vanadium content, and nitridation is carried out again to form vanadium iron nitride, so that the recovery rate of the vanadium iron nitride can be increased to more than 90%.

摘要：【中文】一种含钒废料资源化利用的方法，包括将含钒废料初步筛选后放入水洗池水洗，进行研磨，研磨过程中加入纯碱混合后通入空气进行焙烧氧化，将焙烧氧化后的废料放入酸性溶液中酸浸，未溶解的沉淀物取出进行清洗，去掉其酸浸过程中所残留的酸液，将所述沉淀物放入氯化钠溶液中并添加铝粉，混料搅拌均匀后得到金属铬的单体，将其与冶炼渣收集，部分酸浸液混入到步骤四中收集的冶炼渣中进行煅烧成型做成耐火材料。本发明的含钒废料资源化利用的方法极大提高了含钒废料的回收再利用，提取的废渣用于制作耐火材料，含钒溶液重新配置制作五氧化二钒，节约了资源，合理的配置了资源利用。其中钒的收率可达90%以上。 【EN】A method for resource utilization of vanadium-containing waste materials comprises the steps of placing the vanadium-containing waste materials after primary screening into a washing tank for washing, grinding, adding soda ash in the grinding process, mixing, then introducing air for roasting and oxidizing, placing the roasted and oxidized waste materials into an acid solution for acid leaching, taking out undissolved precipitates for cleaning, removing residual acid liquor in the acid leaching process, placing the precipitates into a sodium chloride solution, adding aluminum powder, mixing and stirring uniformly to obtain a chromium metal monomer, collecting the chromium metal monomer and smelting slag, mixing part of the acid leaching solution into the smelting slag collected in the fourth step, and calcining and forming to obtain a refractory material. The method for recycling the vanadium-containing waste greatly improves the recycling of the vanadium-containing waste, the extracted waste residues are used for manufacturing refractory materials, the vanadium-containing solution is reconfigured to manufacture vanadium pentoxide, resources are saved, and the resource utilization is reasonably configured. Wherein the yield of vanadium can reach more than 90 percent.

摘要：【中文】一种钒氮合金及其生产方法，本发明之钒氮合金，主要元素组成如下：钒78‑80%，氮18‑19%，碳1‑3%，磷0.03‑0.05%，硫0.03‑0.05%，余量为其他杂质。本发明还包括所述钒氮合金的生产方法。本发明氮化混合气体中加入少量氩气和氨气，能加快反应的进行，并且能提高钒氮合金中氮的含量。可能是氨气中的氮在高温下发生分离，可能会与氮气中的氮元素重排，增加反应体系中游离氮的含量，加快反应的进行。本发明通过原料的破碎、压板，将原料的延展与氮气形成最大接触面，增加氮气的流动和接触面，更好更快更加经济的生产钒氮合金。 【EN】The invention relates to a vanadium-nitrogen alloy and a production method thereof, wherein the vanadium-nitrogen alloy comprises the following main elements: 78-80% of vanadium, 18-19% of nitrogen, 1-3% of carbon, 0.03-0.05% of phosphorus, 0.03-0.05% of sulfur and the balance of other impurities. The invention also comprises a production method of the vanadium-nitrogen alloy. According to the invention, a small amount of argon and ammonia gas are added into the nitriding mixed gas, so that the reaction can be accelerated, and the nitrogen content in the vanadium-nitrogen alloy can be increased. The nitrogen in the ammonia gas is possibly separated at high temperature and is possibly rearranged with nitrogen elements in the nitrogen gas, so that the content of free nitrogen in the reaction system is increased, and the reaction is accelerated. According to the invention, through crushing and pressing of the raw materials, the extension of the raw materials and nitrogen form the largest contact surface, the flowing and contact surface of the nitrogen are increased, and the vanadium-nitrogen alloy is produced better, faster and more economically.

摘要：【中文】生产低价钒废气制氨水的方法，包括对低价钒生产废气进行除尘处理，将除尘处理后的废气通入喷淋罐内，进行溶解喷淋，喷淋后的气体进行排放，将喷淋循环利用，并检测喷淋液浓度，喷轮循环20‑40分钟后替换新的喷淋液进行继续喷淋，将存放的喷淋液放入加热釜，将加热釜的内部气体抽出，除喷淋液外形成真空，将加热釜持续加热，加热釜的顶部开设有出气口，所述出气口通过出气管连接到溶解液形成氨水，对溶解液进行pH值检测，达标后将其放在阴暗处密封存储好。本发明将生产低价钒过程中的废气除尘后进行二氧化硫和氨气等废气的回收后，通过加热蒸出氨气重新制作成氨水，对废气进行再利用。 【EN】A method for preparing ammonia water from low-price vanadium waste gas comprises the steps of conducting dust removal treatment on the low-price vanadium production waste gas, introducing the waste gas after dust removal treatment into a spraying tank, conducting dissolution spraying, discharging the sprayed gas, recycling the spraying, detecting the concentration of the spraying liquid, continuously spraying the spraying liquid by replacing new spraying liquid after the spraying wheel circulates for 20-40 minutes, putting the stored spraying liquid into a heating kettle, pumping out the gas inside the heating kettle, removing the appearance of the spraying liquid to form vacuum, continuously heating the heating kettle, arranging a gas outlet at the top of the heating kettle, connecting the gas outlet to the dissolving liquid through a gas outlet pipe to form ammonia water, conducting pH value detection on the dissolving liquid, and placing the dissolving liquid in a shade place after the dissolving liquid reaches the standard and conducting sealed storage. The method comprises the steps of removing dust from waste gas in the process of producing low-price vanadium, recovering waste gas such as sulfur dioxide, ammonia gas and the like, heating to evaporate the ammonia gas, preparing ammonia water again, and recycling the waste gas.

摘要：【中文】一种钒铝合金中铬含量的测定方法，包括以下步骤：一、钒铝合金质量为m1；二、破碎打粉，有氧燃烧；三、往燃烧产物中添加硝酸溶液，过滤，取滤液；四、将滤液滴加质量浓度为20%的盐酸溶液，观察烧杯内的颜色变化，直到继续滴加盐酸溶液烧杯内蓝色不再加深为止；五、往烧杯内加入硝酸银溶液和过硫酸铵溶液，读取溶液的体积h1；六、制备得滴定试剂；七、用滴定试剂对含铬溶液进行滴定，记录滴定试剂的滴定体积h2；八、计算铬含量。本发明利用试样粉碎煅烧，可以使得铬元素充分的在硝酸和盐酸溶液中进行溶解，并且煅烧过程中可以将碳化物高温排放，减少硫酸的使用量，通过配置的试剂变色测定，方便快捷。 【EN】A method for measuring the chromium content in a vanadium-aluminum alloy comprises the following steps: firstly, the mass of the vanadium-aluminum alloy is m 1; secondly, crushing, powdering and aerobic combustion; thirdly, adding a nitric acid solution into the combustion product, and filtering to obtain a filtrate; fourthly, dropwise adding a hydrochloric acid solution with the mass concentration of 20% into the filtrate, and observing the color change in the beaker until the blue color in the beaker is not deepened after the hydrochloric acid solution is continuously dropwise added; fifthly, adding a silver nitrate solution and an ammonium persulfate solution into the beaker, and reading the volume h1 of the solution; sixthly, preparing a titration reagent; seventhly, titrating the chromium-containing solution by using a titration reagent, and recording the titration volume h2 of the titration reagent; and eighthly, calculating the chromium content. According to the invention, the sample is crushed and calcined, so that chromium can be fully dissolved in nitric acid and hydrochloric acid solution, and carbide can be discharged at high temperature in the calcining process, so that the use amount of sulfuric acid is reduced, and the prepared reagent is used for color change determination, and the method is convenient and rapid.

摘要：【中文】一种钒氮合金添加剂及其制备方法，本发明之钒氮合金添加剂，主要包括以下重量份数的原料：钒化合物30‑40份、铁粉8‑11份、石墨粉12‑16份、硅化物6‑10份、氧化铝6‑8份。本发明还包括所述钒氮合金添加剂的制备方法。本发明通过氧化铝加速碳化反应的速度，先通入二氧化碳和氮气的混合气体，进行还原；再通入氮气和氨气的混合气体进行氮化，可以提高钒氮合金中氮的含量，加快反应速度。 【EN】The invention relates to a vanadium-nitrogen alloy additive and a preparation method thereof, wherein the vanadium-nitrogen alloy additive mainly comprises the following raw materials in parts by weight: 30-40 parts of vanadium compound, 8-11 parts of iron powder, 12-16 parts of graphite powder, 6-10 parts of silicide and 6-8 parts of aluminum oxide. The invention also comprises a preparation method of the vanadium-nitrogen alloy additive. According to the invention, through the speed of accelerating the carbonization reaction by alumina, the mixed gas of carbon dioxide and nitrogen is firstly introduced for reduction; and then mixed gas of nitrogen and ammonia gas is introduced for nitridation, so that the nitrogen content in the vanadium-nitrogen alloy can be increased, and the reaction speed is accelerated.

摘要：【中文】利用热解炉生产低价钒的工艺，包括对钒渣原料进行粗加工，先将钒渣分类筛选，以100‑140目筛选装置将钒渣分为两类，大于设定大小的钒渣进行破碎处理，筛出的小于设定大小的钒渣进行除尘处理，将预处理得到的钒渣细粉浸入酸性溶剂浸泡后滤出，将浸泡后的钒渣细粉放入热解炉铺设好，将热解炉内的空气抽出，形成真空，在热解炉内底部通入液氮，覆盖钒渣细粉后继续通入气体氮气，热解炉升温煅烧。本发明通过破碎增加颗粒与液氮的接触面积，通过二次浸泡和高温煅烧进行低价钒的生产，加热时间短，反应更充分，控制更加精准。所得低价钒氧化物中，三氧化二钒的纯度≥99.5%。 【EN】The process for producing low-price vanadium by using the pyrolysis furnace comprises the steps of roughly processing vanadium slag raw materials, classifying and screening vanadium slag, classifying the vanadium slag into two types by using a 100-plus 140-mesh sieve separation device, crushing the vanadium slag larger than a set size, dedusting the screened vanadium slag smaller than the set size, soaking the vanadium slag fine powder obtained by pretreatment in an acid solvent, filtering, placing the soaked vanadium slag fine powder in the pyrolysis furnace, laying, pumping out air in the pyrolysis furnace to form vacuum, introducing liquid nitrogen into the bottom of the pyrolysis furnace, continuously introducing gas nitrogen after covering the vanadium slag fine powder, and heating and calcining the pyrolysis furnace. According to the invention, the contact area between the particles and liquid nitrogen is increased by crushing, and the low-valence vanadium is produced by secondary soaking and high-temperature calcination, so that the heating time is short, the reaction is more sufficient, and the control is more accurate. In the obtained low-valence vanadium oxide, the purity of vanadium trioxide is more than or equal to 99.5 percent.

摘要：【中文】本发明提供了一种人造草坪足球场柔性基础，包括夯实层，夯实层位于最底部并且由素土夯实而成，夯实层的上表面铺设有天然砂砾层，天然砂砾层由天然砂砾整平碾压而成，天然砂砾层的上表面铺设有柔性渗水层，柔性渗水层由柔性混合料摊铺碾压而成，柔性混合料由水洗砂、石粉以及水泥三种成分加水制成；所述柔性渗水层的上表面铺设有人造草坪层；本发明提供一种施工简单，造价低，渗水速度快，雨后能及时使用，场地软硬适中，能防止运动损伤，同时场地有保水功能，雨后能返潮湿润人造草坪，能起到防静电及夏季降温作用的人造草坪足球场柔性基础。 【EN】The invention provides a flexible foundation of an artificial lawn football field, which comprises a tamping layer, wherein the tamping layer is positioned at the bottommost part and is formed by tamping plain soil, a natural gravel layer is paved on the upper surface of the tamping layer, the natural gravel layer is formed by leveling and rolling natural gravel, a flexible water seepage layer is paved on the upper surface of the natural gravel layer, the flexible water seepage layer is formed by paving and rolling a flexible mixture, and the flexible mixture is prepared by adding water into three components of washed sand, stone powder and cement; an artificial turf layer is laid on the upper surface of the flexible water seepage layer; the invention provides the flexible foundation of the artificial lawn football field, which has the advantages of simple construction, low manufacturing cost, high water seepage speed, timely use after rain, moderate field hardness, sports injury prevention, water retention function, moisture regain and wetting of the artificial lawn after rain, and electrostatic prevention and summer cooling functions.

摘要：【中文】生产高氮高硅氮化钒铁的方法，包括将三氧化二钒、五氧化二钒、二氧化硅、石墨和铁粉按比例进行混合，混合后进行混料破碎处理，将破碎处理后的混料送入密封加热炉体内，对炉体内的空气进行真空抽取处理，在加热炉体内添加诱导剂，并通入纯氮气至常压进行一次加热处理，继续通入氮气和氨气的混合气体，进行二次加热煅烧，即得。本发明所得氮化钒铁，能极大提高硅氮含量，氮含量为20－22%，硅含量为8－9%，通过二次在不同氮气含量和不同温度下加热，对其进行分段分时煅烧，改善了传统工艺氮含量不足的情况。本发明工艺流程短、产品质量稳定、成分均匀，可以作为高强度钢、工具钢、合金钢或铸钢的氮化钒铁合金添加剂。 【EN】The method for producing the high-nitrogen high-silicon ferrovanadium nitride comprises the steps of mixing vanadium trioxide, vanadium pentoxide, silicon dioxide, graphite and iron powder in proportion, mixing, crushing the mixed material, feeding the crushed mixed material into a sealed heating furnace, performing vacuum extraction treatment on air in the furnace, adding an inducer into the heating furnace, introducing pure nitrogen to normal pressure, performing primary heating treatment, continuously introducing mixed gas of nitrogen and ammonia, and performing secondary heating calcination to obtain the high-nitrogen high-silicon ferrovanadium nitride. The ferrovanadium nitride obtained by the invention can greatly improve the content of silicon nitrogen, the content of nitrogen is 20-22%, the content of silicon is 8-9%, and the ferrovanadium nitride is subjected to sectional time-sharing calcination by twice heating at different nitrogen contents and different temperatures, so that the condition of insufficient nitrogen content in the traditional process is improved. The invention has short process flow, stable product quality and uniform components, and can be used as a vanadium-iron nitride alloy additive for high-strength steel, tool steel, alloy steel or cast steel.

摘要：【中文】本发明涉及一种辊式粉碎装置，包括机架、第一辊轮、与第一辊轮配合的第二辊轮以及用于驱动第一辊轮和/或第二辊轮转动的驱动装置，第一辊轮设置在第二辊轮的上方，第一辊轮安装在活动压架上，活动压架通过摆动轴安装在机架上，所述机架上设有第一安装架和第二安装架，第一安装架和第二安装架分设在第一辊轮的轴向的两侧，第一安装架上设有第一轴套，第二安装架上设有第二轴套，摆动轴的两端分别设置在第一轴套内和第二轴套内，第一轴套的内径比摆动轴的直径大0.01mm至3cm，第二轴套的内径比摆动轴的直径大于0.01mm至3cm。本发明第一辊轮的摆动更加灵活，能够更加均匀地对待粉碎物料进行粉碎，提升粉碎效果。 【EN】The invention relates to a roller type crushing device which comprises a rack, a first roller, a second roller matched with the first roller and a driving device used for driving the first roller and/or the second roller to rotate, wherein the first roller is arranged above the second roller, the first roller is arranged on a movable pressing frame, the movable pressing frame is arranged on the rack through a swinging shaft, a first mounting frame and a second mounting frame are arranged on the rack, the first mounting frame and the second mounting frame are respectively arranged on two axial sides of the first roller, a first shaft sleeve is arranged on the first mounting frame, a second shaft sleeve is arranged on the second mounting frame, two ends of the swinging shaft are respectively arranged in the first shaft sleeve and the second shaft sleeve, the inner diameter of the first shaft sleeve is 0.01 mm-3 cm larger than that of the swinging shaft, and the inner diameter of the second shaft sleeve is 0.01 mm-3 cm larger than that of the swinging shaft. The first roller swings more flexibly, can crush materials to be crushed more uniformly, and improves the crushing effect.