12results about How to "Guaranteed grade" patented technology

The invention relates to a comprehensive utilization method of ultra-lean vanadium titano-magnetite tailings, and belongs to the field of comprehensive utilization of solid wastes. According to the method, the purpose of resource utilization of solid waste is achieved through comprehensive utilization of the ultra-lean vanadium titano-magnetite tailings, elements such as Si and Al in the tailings are enriched while the phosphate concentrate with the grade and the recovery rate meeting production requirements is obtained, consumption of a large amount of tailings is achieved, the environment and safety problems caused by stacking of the tailings are solved, and the utilization rate of the tailings is increased. And the technical purpose of comprehensive utilization of solid wastes is achieved.

The invention discloses a deep desulfurization and purification integrated process for high-sulfur tin concentrate, which comprises the following steps: 1) screening tin rough concentrate by using a 0.2 mm screen, returning oversize products for re-grinding, adding copper sulfate into undersize products for size mixing, and then adding oxalic acid for adjusting the pH value to 5.5-6; (2) carrying out primary roughing and secondary sweeping sulfide removal flotation on the slurry to obtain sulfur concentrate and sulfur flotation tailings, (3) carrying out primary shaking table concentration on the sulfur flotation tailings to obtain tin concentrate, tin middling, tailings and tin secondary concentrate, carrying out secondary shaking table concentration on the tin middling to obtain tin concentrate, tin secondary concentrate and tailings, and carrying out secondary shaking table concentration on the tin middling to obtain tin concentrate, tin secondary concentrate and tailings. And the tin concentrate, the tin secondary concentrate and the tailings obtained through the first-stage table concentration and the second-stage table concentration are correspondingly combined, and the tin concentrate, the table tin secondary concentrate and the table tailings are obtained. According to the method, over-crushing of tin can be effectively reduced, the tin concentrate grade and the recovery process are guaranteed, and the distribution of the tin concentrate and the tin secondary concentrate is more reasonable.

The present application provides a copper-sulfur separation combined inhibitor and a flotation method for copper sulfide ore, and relates to the field of mineral flotation inhibitors. The raw materials of the copper-sulfur separation combined inhibitor include: sodium cyanate, sodium cyanurate and sodium carbonate; the mass ratio of the sodium cyanate, the sodium cyanurate and the sodium carbonate is (5-7): (1-3): 1. The copper-sulfur separation combined inhibitor can replace the traditional lime inhibitor, realize the environmental protection and efficient recovery of copper-sulfur resources, and overcome the various disadvantages of using lime as an inhibitor, such as the sticky foam resulting in low copper concentrate grade, calcium corrosion of pipelines and equipment, high pH value of tailings water and environmental pollution.

The utility model relates to copper smelting technical field, concretely relates to a copper smelting system, the feed chute is connected the discharge port chute, first discharge chute and second discharge chute are connected one respectively the detection device, two detection devices are connected the first feed end and the second feed end of Y type chute respectively, and the discharge end of Y type chute is connected the feed inlet chute, and the flue gas analyzer is equipped at the flue gas outlet of the converter, and the air inlet of converter is connected the air supply system, and the turnover chute, detection device, flue gas analyzer and air supply system all are connected the control system, the utility model can accurately measure white ice copper quality, makes control system preliminary adjustment converter air volume according to the discharge capacity, and flue gas analyzer detects sulfur dioxide and residual oxygen content of flue gas outlet in real time, and control system adjusts air volume according to the data again, realizes the accurate dynamic adjustment of converter oxygen consumption.

The invention provides a copper-sulfur separation combined inhibitor and a flotation method of copper sulfide ore, and relates to the field of mineral flotation inhibitors. The copper-sulfur separation combined inhibitor comprises the following raw materials: sodium cyanate, sodium cyanurate and sodium carbonate, the mass ratio of the sodium cyanate to the sodium cyanurate to the sodium carbonate is (5-7): (1-3): 1. The copper-sulfur separation combined inhibitor can replace a traditional lime inhibitor, environment-friendly and efficient recovery of copper-sulfur resources is achieved, and the defects that the grade of copper concentrate is not high, pipelines and equipment are subjected to calcium deposition and corrosion, the pH value of tailing water is high, and the environment is polluted due to the fact that foam is sticky when lime is adopted as the inhibitor are overcome.

The invention discloses a method for improving the yield of tellurium slag obtained by refining lead-copper anode slime. The method comprises the following steps of: reducing, smelting and separating lead, antimony and arsenic from lead-copper anode slime by using a conventional process to obtain noble lead, putting the noble lead into a refining furnace, discharging surface bonded slag, and then starting to prepare tellurium slag; caustic soda flakes are added in the tellurium slag making process, an oxygen blowing pipe is inserted into the melt for oxygen blowing reaction, and tellurium slag is discharged after tellurium slag making operation is completed, so that alloy is obtained; and the alloy obtained after tellurium slag making is sequentially subjected to oxidation refining secondary slag making and alloy cleaning operation, and after the impurity content in the alloy is lower than the standard requirement, the alloy is discharged out of the furnace to produce an alloy plate. According to the technical scheme, the direct recovery rate of the tellurium slag is remarkably improved, namely the direct recovery rate of the tellurium slag is high. The tellurium slag making process is advanced, so that the problem that a large amount of tellurium is oxidized and enters secondary slag during secondary slag making in the traditional tellurium slag making process is solved, and the direct recovery rate of the tellurium slag is increased by 150%.

The invention discloses an iron and titanium separation method for high-iron and high-titanium type vanadium titano-magnetite, and belongs to the technical field of mineral separation. In order to realize reasonable utilization of the high-iron and high-titanium vanadium titano-magnetite, the invention provides an iron-titanium separation method for the high-iron and high-titanium vanadium titano-magnetite, which comprises the following steps: crushing the high-iron and high-titanium vanadium titano-magnetite to obtain a crushed product; the crushed product is subjected to first-stage ore grinding magnetic separation to obtain magnetic separation concentrate 1 and tailings 1, the magnetic separation concentrate 1 is subjected to second-stage ore grinding magnetic separation to obtain iron ore concentrate and tailings 2, the tailings 1 and the tailings 2 are combined for screening and grading, coarse-grain iron separation tailings and fine-grain iron separation tailings are subjected to reselection to obtain titanium rough concentrate, and finally third-stage high-intensity magnetic separation concentration is conducted. Titanium concentrate is obtained. According to the method, the two-time ore grinding and two-time magnetic separation process is adopted, the ore grinding efficiency is improved, the over-grinding rate is reduced, tailings are divided into the coarse particle size and the fine particle size, the gravity separation effect is improved, and the yield is improved on the premise that the grades of iron ore concentrate and titanium concentrate are guaranteed.

This invention discloses a method for separating iron and titanium in high-iron, high-titanium vanadium-titanium magnetite, belonging to the field of mineral processing technology. To achieve the rational utilization of high-iron, high-titanium vanadium-titanium magnetite, this invention provides a method for separating iron and titanium in high-iron, high-titanium vanadium-titanium magnetite, comprising: crushing the high-iron, high-titanium vanadium-titanium magnetite to obtain crushed products; subjecting the crushed products to a first-stage grinding and magnetic separation to obtain magnetic concentrate 1 and tailings 1; subjecting magnetic concentrate 1 to a second-stage grinding and magnetic separation to obtain iron concentrate and tailings 2; combining tailings 1 and tailings 2 for screening and classification, and separately performing gravity separation on coarse and fine iron tailings to obtain titanium rough concentrate; finally, performing a three-stage high-intensity magnetic separation to obtain titanium concentrate. This invention employs a two-stage grinding and two-stage magnetic separation process, improving grinding efficiency, reducing over-grinding rate, separating tailings into coarse and fine particle sizes, improving gravity separation effect, and increasing yield while ensuring the grade of iron concentrate and titanium concentrate.

A diffuser device for a flotation machine (1) and a flotation machine. The invention relates to a diffuser device (100) for a flotation machine, said diffuser device (100) comprising a rod set (3) comprising at least two rods (4) arranged in parallel and located on at least one horizontal imaginary plane (P) of a structural element of the flotation machine.

This invention relates to a short-process technology for enhanced separation of ilmenite, belonging to the field of mineral processing technology. The process includes three steps: (1) performing a roughing and scavenging flotation operation on the ilmenite feed material to obtain ilmenite flotation concentrate and flotation tailings; (2) performing acid pretreatment on the ilmenite flotation concentrate, followed by solid-liquid separation to obtain acid-pretreated ilmenite concentrate; and (3) performing a high-gradient strong magnetic separation roughing operation on the acid-pretreated ilmenite concentrate to obtain the final ilmenite concentrate. The process structure of this invention is simple and efficient. In the ilmenite beneficiation process, the addition of acid pretreatment can reduce heterogeneous agglomeration between ilmenite and gangue mineral particles, and the use of high-gradient strong magnetic separation can enhance the efficient collection of ilmenite, obtaining high-grade and high-recovery titanium concentrate, which fully solves the technical problem of the difficulty in recovering fine-grained ilmenite.

The utility model discloses a kind of mineral processing froth trough for flotation workshop, belong to mineral processing froth trough field, it includes froth trough main body, the side fixed connection of froth trough main body has connecting frame, the side fixed connection of connecting frame has protective shell, the side fixed connection of protective shell has connecting block, the side fixed connection of connecting block has motor;Through the cooperation of above each device, through the motor of being set and through connecting block symmetry fixed in protective shell, cooperate the adaptive design of protection shaft and motor output shaft, effectively reduce the shaking and vibration when motor operates, ensure that mixed plate stable agitator slurry.Meanwhile, the heat generated by the multiple heat dissipation openings on the protective shell can be dissipated in time, preventing the performance of the motor from being degraded due to high temperature, thereby ensuring the continuous and efficient operation of the mineral processing froth trough, improving the mixing and flotation of minerals, and ensuring the recovery rate and grade of mineral processing.