30results about How to "Production indicators are stable" patented technology

The invention relates to a production index variable acquisition method based on cosmetics and a readable signal medium. The method comprises the steps: under the condition of determining that first production line monitoring data included in the current cosmetic production line comprises the equipment identifier of first target production node equipment, acquiring the microbial monitoring data of the first target production node equipment in the first production line monitoring data, and determining a microbial pollution index of the first target production node equipment in the first production line monitoring data based on the microbial monitoring data and a production data updating path; and under the condition of determining that the first production line monitoring data does not include the equipment identifier of the first target production node equipment, determining that the microbial pollution index of the first target production node equipment in the first production line monitoring data is a production line configuration index for indicating a microbial detection process of the first target production node equipment. According to the invention, related indexes of the microorganism monitoring process of upstream and downstream node equipment can be considered, and the whole industry chain analysis of the microorganism pollution indexes is ensured.

The invention relates to a continuous-discrete rare earth permanent magnet high-gradient magnetic separator which can sort the fine materials under the role of high specific magnetic force generated by a strong magnetic field and high-gradient magnetic medium according to differences of magnetic coefficient of particle volume. The separator consists of a rack, a drive device, a sorting disk, a sorting box, a rare earth permanent magnet, a mine feeder, a magnetic product trough connector and a rinser. The separator is provided with a large cavity size heterotype permanent magnet shaped window frame high field strong rare earth permanent magnet, a multi-dimensional magnetic-separation media heap, a discrete ore slurry sorting box system, a multiple continuous sorting disk axial stack combination and a frequency conversion control device. The separator provided by the invention has large capacity as a single device, simple structure, convenient operation and maintenance, energy conservation, stable production process, high-precision of separation, low investment of equipment, low production cost and good sorting technical target, etc. The separator can be effectively used for micro-fine and weak magnetic metal minerals as well as impurity removal and purification of non-metallic mineral.

The invention relates to a method for recovering valuable elements from acid leaching solution of gold-containing sulfur concentrate roasting slag, belonging to the field of chemical beneficiation, comprising the following steps: (1) Measuring the content of copper, zinc, iron, arsenic and sulfate in acidic waste liquid and acidity; (2) Add calcium carbonate or lime, concentrate and filter to obtain gypsum products and acidic liquid; (3) Add oxidizing agent, then add sodium hydroxide solution, the slurry reaction is finished with pH=2.7~3.7, concentrate and filter to obtain arsenic Iron concentrate and copper-zinc filtrate; (4) Add arsenic precipitant, react for 30 minutes, concentrate and filter to obtain copper-zinc concentrate and acid-containing waste liquid; (5) Adjust the pulp concentration to 50%, add hydrogen oxide Sodium solution, then filtered and washed to obtain iron concentrate and arsenate-containing lye; (6) adding sulfuric acid to adjust the solution to pH=1, then slowly adding arsenic precipitant, then concentrating and filtering to obtain arsenic concentrate and Acid waste. The invention can process the waste water containing arsenic and recycle the valuable elements therein.

The invention provides a method for recovering copper, lead and zinc from ultra-fine complicated cyanidation tailings, and belongs to the technical field of mineral processing. The method comprises the following steps that (1) the ultra-fine complicated cyanidation tailings are concentrated through a thickener, and water and sodium carbonate are added and are stirred to be made into primary ore pulp; (2) the primary ore pulp is conveyed to a flotation machine unit, once-coarse once-fine twice-sweeping flotation flow process is adopted for recovering lead; the tailings obtained through secondary sweeping flotation are lead sweeping flotation tailings; (3) the lead sweeping flotation tailings are concentrated, then, water is added, and secondary ore pulp is prepared; the secondary ore pulp is conveyed to the flotation machine unit, once-coarse twice-fine and twice-sweeping flotation flow process is adopted for recovering copper, and the tailings obtained through secondary sweeping flotation are copper sweeping flotation tailings; (4) the copper sweeping tailings are concentrated, then, water is added, and tertiary ore pulp is obtained, and the pH value is regulated; once-coarse three-time-fine and twice-sweeping flotation flow process is adopted for recovering zinc; concentrates obtained through tertiary concentration are zinc concretes. The method provided by the invention has the advantages that the operation in the technical process is simple, the production index is stable, in addition, the recovery and the use of production tailing water are realized, and the environment pollution is reduced.

The invention discloses a synergistic optimization control method based on the production balance of a thickener-filter press. First, the real-time detection data and equipment operation data in the production process of the thickener-filter press are obtained; the thickener-filter press is established according to the obtained data. The production balance model of the filter press is used to calculate the current production capacity of the filter press to process ore pulp; based on the established production balance model, the calculated value of the underflow discharge flow of the thickener is updated, and combined with the liquid level control target value of the stirring tank, the obtained The new set value of the underflow discharge flow of the thickener; and then use the new set value of the underflow discharge flow of the thickener as the control target value to automatically adjust the speed of the thickener underflow slurry pump to achieve the production balance of the thickener-filter press and collaborative control. This method can not only ensure sufficient incoming materials for the filter press, but also ensure the stability of the underflow ore discharge of the thickener, so that the production of the thickener-filter press is always in a balanced state, ensuring a stable production process and high production efficiency .

The invention belongs to the technical field of a switch method for ore feeders of a ball mill, in particular to an undisturbed switch method for ore feeders of a ball mill. On the premise of realizing ball milling basic automatic control function, namely on the premise of ensuring the normal work of systems of ore feeding amount frequency changing speed regulation of a ball mill, automatic switch of the ore feeders, and the like, the undisturbed switch control part content of the ore feeders is added into the control program. When the switch condition of the ore feeders is met, the system calls a selecting program of the ore feeders, judges the starting of two ore feeders and then calls parameters K** of the two ore feeders; the K** is divided by a set value of the current ore feeding amount to obtain the initial frequency of the ore feeders; the frequency is corrected; and the corrected frequency controls the running of the ore feeders by an executing system in t1 time. Therefore, undisturbed switch is realized.

The oxygen-enriched side blowing smelting method of a kind of impurity-poor high-silicon copper concentrate of the present invention is as follows: take impurity-poor high-silicon low-copper copper concentrate 10-64% and impurity-poor high-silicon low-sulfur copper concentrate ≤ 44%, Add copper-rich high-sulfur ore 29‑42% and slag concentrate 4‑10% to it, mix evenly to obtain composite ore, and add 2.15‑4.5% CaO to the composite ore, add it to the side blowing furnace, and add the composite ore quality 3.6-6.8% fuel is smelted, the melting temperature is 1250-1290°C, during the smelting process, oxygen-enriched air with a concentration of 72-84% is continuously blown into the side blowing furnace, and the injection flow rate is 17000-23000Nm 3 / h, to obtain matte liquid and copper smelting slag. This method fully solves the problem of insufficient supply and quality of domestic copper concentrate. Using high-silicon ore as the ingredient skeleton, by adjusting the ratio, combined with measures such as optimizing the side-blowing smelting slag type, increasing the oxygen-enriched concentration, and improving the bed capacity, it can achieve Achieved a breakthrough of zero flux rate, and optimized the comprehensive matte grade and slag copper content data.

The invention discloses an intelligent control method for the liquid level of a lepidolite flotation system. According to the recorded liquid level measurement value of the flotation machine and the liquid level measurement value of the medium mine pump pool, the change trend is obtained; step 3, according to the deviation of the real-time measurement value of the liquid level of the flotation machine and the set value of the liquid level of the flotation machine and the The change trend of the measured value of the liquid level of the flotation machine, the change of the set value of the bottom flow cone valve of the flotation machine determined by the liquid level control rule of the flotation machine automatically adjusts the opening of the bottom flow cone valve of the flotation machine, so that the actual liquid level and the bottom flow cone valve of the flotation machine are automatically adjusted. The set value of the liquid level is the same; step 4, according to the change trend of the liquid level measurement value of the pump pool in the mine, automatically adjust the set value of the liquid level of the scavenger flotation machine through the coordinated control rule of the liquid level of the flotation machine until it is stable. The method can ensure that the liquid level of the lepidolite flotation system is quickly and stabilized within a reasonable set range, stabilizes the production index, and ensures the stable operation of the flotation process.

The invention discloses a method for purifying phosphogypsum based on a flotation column with fillers and a gravity column. Differences in density, particle size and surface chemical properties between silica, chalcedony, sulfate, phosphate, fluoride, and carbonized organic matter in phosphogypsum and gypsum, using a combination of gravity separation and flotation to achieve decolorization of phosphogypsum , whitening, phosphorus reduction, and impurity reduction purification effects, gypsum can be used as building material raw materials, silicon slag can be used as unfired hollow bricks or siliceous soil conditioner raw materials, and organic phosphorus and other impurities can be used as raw materials for water retention and nutrition bowls. Two types of wastewater are produced at the same time, including wastewater without organic matter and soluble salts after desiliconization and filtration, accounting for 2 / 3 of the total wastewater; the other is wastewater filtered by organic matter and soluble salts, accounting for 1 of the total wastewater / 3. After treatment, the waste water can be self-recycled to avoid environmental pollution.

The invention relates to a production line quality evaluation method based on cosmetics and a production data processing center, and the method comprises the steps: determining index description matrixes corresponding to a microbial pollution index, a water quality pollution index and an equipment cleanliness index respectively, determining a production line index evaluation matrix of first target production node equipment in each production line monitoring data according to the microbial pollution index, the water quality pollution index and the equipment cleanliness index of the first target production node equipment in each production line monitoring data and an index description matrix corresponding to each index, and determining first production line quality evaluation information based on the production line index evaluation matrix of the first target production node equipment in each production line monitoring data and associated production data of the first target production node equipment in each production line monitoring data. It can be ensured that the first production line quality evaluation information reflects production index influence conditions of the first target production node equipment in multiple pieces of production node equipment, and an accurate and reliable analysis basis is provided for subsequent production line quality monitoring.

The invention relates to a low-temperature-resistant zinc oxide ore flotation compound agent and a preparation method and application thereof. The compound agent comprises a compound regulator and a compound collector, wherein the compound regulator is composed of sodium hexametaphosphate, starch, humic acid Sodium is mixed in a weight ratio of 5~7:3~6:1~3; the composite collector is composed of octadecylamine, glacial acetic acid, sodium benzyl hydroxamate and waste oil in a weight ratio of 5~8:5~8 :1~3:1~3 mixed. The use of these two compound beneficiation agents eliminates the need for desliming in the flotation process, thereby enhancing the recovery of fine-grained zinc oxide, and the beneficiation recovery rate of zinc oxide ore can be increased by 5-15%.