9results about How to "Improve flotation effect" patented technology

The utility model belongs to the field of ore dressing relates to a kind of flotation machine ore separation box, including T-shaped partition, the T-shaped partition is installed in the ore separation box, and the ore separation box is divided into two parts of feed tank and distribution tank;The T-shaped partition includes vertical plate perpendicular to the bottom surface of the ore separation box and horizontal plate parallel to the bottom surface of the ore separation box and fixed on the top of the vertical plate;The length of the vertical plate is equivalent to the length of the ore separation box, the height of the vertical plate is not more than 1 / 2 of the height of the ore separation box;The length of the horizontal plate is equivalent to the length of the ore separation box.The technical scheme of the application can delay the flow rate of ore pulp, which is beneficial to uniform ore separation and improves the flotation effect;At the same time, the ore can be ground, and the bottom plate after modification will not be impacted by the ore pulp.

The present application relates to a kind of emulsion type capsule slow-release oil sand dissociation agent and its preparation method and application, belong to oil sand pitch technical field.Dissociation agent is by the water phase flocculating agent solution of volume ratio (10~30) and the oil phase containing emulsifier mixed and formed water-in-oil emulsion;Water phase flocculating agent solution includes the flocculating agent of concentration 10~100 mg / L, and the oil phase containing emulsifier includes the emulsifier of volume concentration 1~4%.By oil outer phase, the viscosity of pitch and oil-water interfacial tension are reduced, the calcium and magnesium ion concentration in system can be reduced after slow release of flocculating agent solution, and then the adhesion between pitch and silicon surface is weakened, on the basis of reducing the dosage of flocculating agent, further improve the dissociation efficiency of pitch on sand surface.It can not change the pH of system, prevent the disadvantage that the hydrophobicity of pitch is reduced and the difficulty of pitch droplet coagulation is increased by hot lye.

The utility model discloses an efficient intelligent phosphorite flotation cell which comprises a flotation cell body, a plurality of partition plates are arranged in the flotation cell body to divide the flotation cell body into a plurality of cell bodies, a stirring device is arranged in each cell body, grooves for foam to flow out are formed in the top ends of the two sides of the flotation cell body, and a laser foam breaker is arranged at one end of each groove. The aeration holes of the air distributor are improved, bubbles are generated more sufficiently, capturing of hydrophobic mineral particles is facilitated, the flotation effect is better, and the flotation efficiency is higher. An infrared liquid level instrument installed on a phosphorite flotation tank body is in linkage with an air distributor installed at the bottom end of a flotation machine stirring paddle, the height of a foam layer is detected through infrared liquid level scanning, when the foam layer is too high, the air distributor automatically reduces the inflation amount and reduces generation of bubbles, and when the foam layer is too low, the air distributor automatically increases the inflation amount and increases generation of bubbles. And intelligentization and automation of the equipment are realized. And the laser bubbles are adopted, so that the bubbles can be broken more quickly and thoroughly, and the water consumption is also reduced.

This utility model discloses a flotation cell, belonging to the field of flotation cell technology. It includes a cell body and an aeration structure. The cell body has through-slots and locking slots on its left and right sides, respectively. Bottom baffles and top baffles are respectively provided at the bottom and top of the through-slots. The aeration structure includes a connecting pipe, a movable cover, an aeration pipe, and an aeration pump. The connecting pipe is located at the bottom of the cell body, the movable cover is located at the bottom of the outer surface of the connecting pipe, the aeration pipe is located at the bottom of the movable cover, and the aeration pump is located at the end of the aeration pipe furthest from the movable cover. This flotation cell changes the size of the bubbles by altering the length of the aeration pipe extending into the movable cover, thus changing the airflow at the bottom. The combination of porous media, the aeration pipe, the movable cover, and the aeration pump simulates the effect of a flotation column foamer, achieving micro-bubbles during bottom aeration, optimizing the flotation effect, and improving the flotation recovery rate of both oxide and sulfide ores. Bottom aeration allows large mineral particles to contact the bubbles, improving their floatability.

The invention relates to the technical field of mineral flotation, in particular to a flotation collecting agent for scheelite and a preparation method of the flotation collecting agent. The flotation collecting agent for scheelite comprises the following components in parts by weight: 40-60 parts of a compound A, 10-20 parts of sodium oleate, 5-8 parts of thiadiacid and 1-5 parts of an emulsifier. The flotation collecting agent for scheelite can improve the concentrate yield, grade and recovery rate.

The embodiment of the present application discloses a kind of flotation column including column, distributor, bubble generator and mixer, during use, slurry is supplied into column by feed inlet, then bubble generator is opened, bubble is output via distributor, open mixer, mixer can form gas-liquid mixed medium, then mixed medium is output via distributor, bubble is contacted with mineral in slurry, hydrophobic mineral in slurry can be captured by bubble and discharged via concentrate outlet, and hydrophilic mineral will not be captured by bubble and discharged via tailings outlet, and based on this, the separation of useful mineral and gangue mineral can be completed.The flotation column provided by the embodiment of the present application, the distributor includes a base and a plurality of nozzles, one end of the plurality of nozzles is connected to the base, and the plurality of nozzles are inclinedly arranged in the height and width directions relative to the base, which can improve the flotation efficiency, the rotating flow field can pre-removal coarse gangue, reduce the phenomenon of gangue overgrinding, reduce energy consumption and reduce the problem of concentrate pollution.

This invention relates to a method for preparing a flotation collector, a flotation collector, and a flotation method for oxidized minerals, belonging to the field of mineral processing technology. It solves the problems of low flotation recovery rates, high temperature dependence, high energy consumption, and environmental pollution associated with existing collectors for oxidized minerals. The flotation collector prepared by the method described above has high polarity, significantly enhancing the adsorption between it and functional groups on the mineral surface, thus improving the mineral flotation recovery rate. Under low-temperature conditions, it exhibits good water solubility and dispersibility, contributing to improved mineral recovery rates at low temperatures. Combined with the appropriate carbon chain length of the collector molecule, flotation can be achieved over a wide flotation temperature range, reducing the impact of temperature on mineral flotation and achieving energy saving and carbon reduction in the flotation method. Furthermore, the collector molecule contains two carboxyl groups, readily chelating with metal cations to achieve selective collection of metal ions, making it suitable for flotation under various water quality conditions.

The present application relates to the field of mineral processing engineering and metallurgical beneficiation technology, and discloses a method for comprehensively recovering iron and tin from tin-containing iron concentrate, which comprises the following steps: S1, finely grinding and grading the tin-containing iron concentrate to obtain coarse-grained low-tin iron concentrate and fine-grained high-tin iron concentrate; S2, dry low-intensity magnetic separation is performed on the fine-grained high-tin iron concentrate after drying to obtain low-intensity magnetic separation concentrate and tailings; S3, the low-intensity magnetic separation concentrate is subjected to reduction roasting with H2 / CO composite gas to convert tin into gaseous volatile, and high-tin fume dust is obtained by cooling and collecting, and the roasting sand is low-tin iron concentrate; and S4, the low-intensity magnetic separation tailings are subjected to micro-bubble flotation after being pretreated with lead ion activated macromolecular flocculant to obtain cassiterite concentrate. Through the combined process of grading pre-concentration, dry low-intensity magnetic separation, low-temperature reduction roasting and flocculation flotation, the present application realizes deep tin removal of iron concentrate and efficient comprehensive recovery of iron and tin, and has the advantages of low energy consumption, good separation effect and green environmental protection.

The invention mainly relates to a method for strengthening form transformation and flotation of copper in slag, which comprises the following steps of: adding a mixture of sulfur and carbon in a specific proportion into converter slag in a high-temperature molten state, and carrying out carbon-sulfur replacement reaction and vulcanization reaction; according to the method, copper and copper oxide which are difficult to float can be efficiently converted into copper sulphide which is easy to float, the copper flotation yield is increased to 95.22% or above from the original 90.19%, the copper grade in tailings is reduced to 0.13% or below, and the yield of gold and silver in converter slag is also remarkably increased. The process adopted by the invention does not need complex operation procedures and equipment; the cost is relatively low, the environment-friendly effect is realized, and excessive pollution and waste cannot be generated. The method provided by the invention is very suitable for resource utilization of converter slag in the copper smelting industry, and can provide powerful technical support for sustainable development of the industry.