40results about How to "Improve flotation environment" patented technology

The invention relates to a flotation impurity-removing method for an asbestos-containing talcose ore and belongs to the technical field of ore processing. The flotation impurity-removing method comprises the following steps: milling the asbestos-containing talcose ore and adding water into the milled asbestos-containing talcose ore, thereby preparing raw ore slurry; placing the raw ore slurry in a flotation device, adjusting pH value under the condition of stirring, adding in an inhibitor and stirring, adding in a collecting agent and stirring, and then coarsely separating, thereby acquiring a coarsely separated concentrate; adjusting the pH value of the coarsely separated concentrate under the stirring condition, adding in the inhibitor and stirring, adding in the collecting agent and stirring, and then once finely separating, thereby acquiring a primary concentrate; adjusting the pH value of the primary concentrate under the stirring condition, adding in the inhibitor and stirring, and then performing secondary direct flotation, thereby acquiring a secondary concentrate; and stirring after adjusting the pH value of the secondary concentrate under the stirring condition, and thenperforming the third direct flotation. By using the method provided by the invention, the flotation effect is excellent and the industrial production of the asbestos-containing talcose ore can be easily realized.

The invention discloses a beneficiation method for low-grade mixed copper ore containing molybdenum. According to the properties and characteristics of the low-grade mixed copper ore containing molybdenum, the copper and molybdenum bulk floatation and re-separation principle technological process is adopted, and high-efficiency concentration of minerals is achieved by using a combination of butyl xanthate and a high-efficiency collector M201 during copper and molybdenum bulk floatation operation; high-efficiency reagent removal of bulk concentrates is achieved through a concentration dewatering and fine grinding method during copper and molybdenum separation operation so that the impact of a large number of reagents existing in copper-lead bulk concentrates on copper and molybdenum separation can be reduced; and moreover, copper minerals are suppressed by means of suppressant F-6, so that separation of copper and molybdenum is effectively realized, and the copper content and molybdenum content of the concentrates are effectively reduced. Meanwhile, in order to stabilize the floatation indexes, the floatation process is optimized for site production, namely, branching and streaming floatation; accordingly, the purpose of comprehensive recovery and utilization of mineral resources is achieved.

The invention belongs to the technical field of mineral separation, and specifically relates to a jet-suction agitation flotation machine. The flotation machine adopts deflectors to replace the stirring impeller of the mechanical agitation flotation machine, which reduces the frictional energy between the impeller and the shaft. Loss and internal energy loss caused by impeller agitation of slurry reduces flotation energy loss. The static deflector guides the submerged jet inflow three times, accompanied by the sweeping and stirring of the pulp in the tank, so that the pulp, chemicals and air bubbles are fully mixed in a wider range in the tank. At the same time, the static deflector can realize the control of the pulp mixing circulation area by inducing the direction of the pulp flow, so as to prevent the pulp mixing circulation area from interfering with the transport area of ​​mineralized air bubbles and the foam layer, forming a good flotation environment and the deflector Through multiple cutting and impact crushing of large air bubbles in the pulp, air bubbles with smaller particle sizes are formed, and are fully and evenly distributed in various sections of the tank along the deflector to achieve full mineralization.

The invention belongs to the technical field of mineral flotation, and in particular relates to a collector for comprehensively recovering copper, lead and zinc minerals from iron-selection tailings. The collector is the composition Ester-215, and Ester-215 is composed of the following raw materials: diethyl ether Acrylonitrile dithiocarbamate, propionitrile n-butylxanthate, dibutyl ammonium dithiophosphate and terpineol oil. Compared with conventional collectors, the ester-215 of the present invention has stronger collecting ability and good selectivity, especially for secondary sulfides and fine-grained copper-lead-zinc minerals with large mud content. The foaming property can effectively improve the flotation environment of copper, lead and zinc minerals in iron ore tailings, improve its flotability, and realize high-efficiency and fast flotation. The collector can be used in the pH range of 7-13, and the effect is good. The ability to collect pyrite is weak, which is beneficial to improve the grade of concentrate.

The invention discloses a digestion-desliming-reverse floatation method for treatment of low-grade magnesite high in silicon content and calcium content. The digestion-desliming-reverse floatation method for treatment of the low-grade magnesite high in silicon content and calcium content comprises the following steps that low-grade magnesite raw ore high in silicon content and calcium content is crushed and then is fed into a rotary kiln or a fluidized bed boiler to b roasted; the roasted material is ground by a ball grinder to be fine, and then water is added to the fine material, so that raw ore pump is obtained; the raw ore pulp is placed in a desliming hydrocyclone, so that slurry is removed; the deslimed raw ore pulp is placed in a floating device, the regulator such as sodium carbonate or CaO is added firstly, sodium silicate is added, then a reverse flotation collecting agent is added, stirring is conducted, reverse floatation rough concentration is conducted, rough concentrate is obtained, and tailings containing quartz and dolomite are separated. According to the digestion-desliming-reverse floatation method, through digestion, the floating difference between periclase and dolomite is increased, the effect that a qualified product is obtained at low ore dressing cost is achieved finally through the reverse flotation technology, and industrial production for purification of the low-grade magnesite high in silicon content and calcium content can be achieved easily.

The invention relates to a phosphate ore washing, classification, roasting and flotation method, which belongs to the technical field of mineral processing. The method separates ore slime and useful minerals through several stages of scrubbing operations; removes fine mud through multiple stages of desliming operations; The multi-stage screening operation divides the raw ore into three grades of high, medium and low, and waste rock; the high-grade ore is roasted to remove the calcite contained in it, and the medium and low-grade ore is processed by grinding and flotation. The method of the present invention is reasonably designed. By combining ore washing and desliming operations, the dissociated phosphorus minerals and mud washing are separated, and the particle size of the flotation pulp is controlled within a narrow range, which greatly reduces the cost of mineral processing. cost and improved flotation environment. The crushed materials are divided into different grades by multi-stage screening method, and a part of high-grade grades and low-grade grades are separately selected in advance, and then processed separately, which greatly reduces the energy consumption of grinding operations and improves the efficiency of the grinding process. The effect of dehydration operation.

The invention discloses an application method of separating kerosene from sulphide ores. The application method comprises the steps of crushing, ball milling, a grading, stirring, floatation, scraping, flushing, separating and recycling. According to the application method, steps are reasonable, using is safe and convenient, and proper kerosene is added in the separating process of the sulphide ores to replace an inhibitor of certain ores, so that the flotation environment of the sulphide ores is effectively improved, the purity and effect of flotation of the sulphide ores are improved, the floatation degree of the sulphide ores is greatly improved, and the efficiency of flotataion of the sulphide ores is improved. Cleaning can be conducted after stirring, so that stirred ore pulp is effectively prevented from being adhered to the inner wall of a stirrer. On the one hand, the clean degree of the inner wall of the stirrer can be guaranteed; and on the other hand, waste of the ore pulp can be effectively avoided, and the floatation yield of the sulphide ores is improved.