59results about How to "Good beneficiation effect" patented technology

The invention discloses a large-particle vertical ring pulsation high-gradient magnetic separator. The large-particle vertical ring pulsation high-gradient magnetic separator comprises a machine frame, wherein magnetic yokes, excitation coils, a swivel, a concentrate bucket, a concentrate collecting tank and a tailing bucket are arranged on the machine frame; the swivel is provided with a magnetic medium pile; the tailing bucket is connected with a pulsation drive mechanism; the magnetic medium pile consists of thin stainless steel plates and medium rods inserted in the stainless steel plates; the high gradient of magnetic fields is ensured by selecting the diameters and the spatial arrangement ways of the medium rods under the condition that 2 to 5mm of material particles can smoothly pass; the outer side wall, the front side wall and the rear side wall of the concentrate bucket are arranged in a manner of inclining to a bottom discharge port, and a discharge pipe connected with the discharge port is arranged in a manner of inclining downwards; and the bottom wall of the concentrate collecting tank and the inclined side wall of the tailing bucket are horizontally provided with material baffle plates. Due to a series of improvement on the conventional magnetic separator, the vertical ring pulsation high-gradient magnetic separator can directly separate 2 to 5mm of large-particle materials and provides reliable technical guarantee for the exploitation and utilization of lean ore resources.

A horizontal novel centrifugal concentrator comprises a frame (8), an outer cover (1), a rotating drum (2), a variable frequency reducing motor (4) connected with the rotating shaft of the rotating drum through a coupler (3), a flushing system (5) arranged in the outer cover and connected with an external water supply system, an ore distributor system (6) below the outer cover, an ore receiving bucket (7) below the outer cover, a feeding system (9) arranged outside the outer cover and communicated with the rotating drum, wherein the rotating drum comprises the rotating shaft, a horn-shaped rotating disc and a circular truncated cone-shaped rotary drum; the rotating shaft is sleeved with the rotating disc; the rotating disc is sleeved with the rotary drum; the large end surface of the rotary drum is connected with the outer edge of the rotating disc; the tilt angle of the opening in the internal face of the rotary drum is 2-6 degrees; the flushing system comprises a water inlet pipe with a pneumatic ball valve and flushing nozzles in the rotary drum; the ore distributor system comprises a cylinder, an oscillating shaft, a connecting arm and an ore distribution hopper; one end of the connecting arm is connected with the push rod of the cylinder and the other end of the connecting arm is connected with the oscillating shaft; a lifting arm at the top of the ore distribution hopper is connected with the oscillating shaft; the feeding system comprises an ore distribution box and at least two feeding nozzles; a pneumatic knife gate valve is arranged at the ore inlet of the ore distribution box; the feeding nozzles are mounted at the tail ends of feeding pipes of the ore distribution box and face to the internal face of the rotary drum. The horizontal type novel centrifugal concentrator has a simple structure and a good concentration effect, and is easy to control and maintain.

The invention discloses a fluidized roasting and sorting method for mixed iron ore containing siderite, which is to preheat the mixed iron ore containing siderite with a particle size of 0.5 mm in an oxidizing atmosphere in a multi-stage fluidized state, Preheat until the mixed iron ore temperature is 600-800°C; then under fluidized conditions, roast the preheated material in a reducing atmosphere, and then place it in the air for fluidized cooling to room temperature, and then grind ore and magnetically separate Vested. The method of the present invention is applicable to the sorting of various siderite-containing mixed ores, with fast reaction speed and high efficiency, less by-products that are not conducive to sorting in the process, low energy consumption, good sorting effect, and is very suitable for for industrialization.

The invention relates to a low-grade iron mineral flotation collecting agent, which consists of alpha hydroxyl-fatty acids and beta hydroxyl-fatty acids, namely 14 to 16 weight percent of total components of alpha hydroxyl-below-dodecyl carbon chain alpha hydroxyl-fatty acid, alpha hydroxyl-dodecyl fatty acid and alpha hydroxyl-tridecyl fatty acid, 4 to 6 weight percent of total components of beta hydroxyl-below-dodecyl fatty acid, beta hydroxyl-dodecyl fatty acid and beta hydroxyl-tridecyl fatty acid, 14 to 16 weight percent of total components of alpha hydroxyl-heptadecyl fatty acid, alpha hydroxyl-octadecyl fatty acid and over-octadecyl carbon chain alpha hydroxyl-fatty acid, 4 to 6 weight percent of total components of beta hydroxyl-heptadecyl fatty acid, beta hydroxyl-octadecyl fattyacid and over-octadecyl carbon chain beta carbon chain hydroxyl-fatty acid, 39 to 41 weight percent of total components of alpha hydroxyl-tetradecyl fatty acid, alpha hydroxyl-pentadecyl fatty acid and alpha hydroxyl-hexadecyl fatty acid, and 19 to 21 weight percent of total components of beta hydroxyl-tetradecyl fatty acid, beta hydroxyl-pentadecyl fatty acid and beta hydroxyl-hexadecyl fatty acid. By the low-grade iron mineral flotation collecting agent, technical indexes such as over 66.0 percent of concentrate grade and over 82 percent of operation recovery rate can be obtained, and the operation recovery rate can be improved by 10 to 14 percent.

The invention discloses a method for comprehensive recycling of sandy kaolin containing mica. The method specifically comprises the following steps of crushing raw ore of sandy kaolin containing mica, wiping, and grading, wherein the matter under a screen is kaolin, and the matter on the screen is ground by a high alumina ball mill, graded by a spiral grader, and screened by a high-frequency vibration screen, so as to obtain quartz sand and mica, thereby guaranteeing the stripping and granularity control of iron, titanium and other impurities in the quartz sand, and creating conditions for subsequent magnetic sorting process; magnetically sorting the kaolin and the quartz sand at two different strengths, so as to fully ensure the separation and effective removal of magnetic impurities in the kaolin and the quartz sand, effectively recycle the kaolin and the quartz sand, obtain a product with high quality and high added value, and greatly increase the comprehensive recycling rate of resources. The method has the advantage that while the high-quality kaolin and quartz sand are obtained, the valuable mica can be recycled, the discharge of tailings is effectively reduced, the comprehensive utilization rate of resources is increased, and the added value of the product is increased.

The invention discloses a method for flotation separation of valuable minerals from lead-zinc-containing polymetallic sulfide ores, which comprises the following steps: firstly grinding the raw ore; then adding a combined flotation agent to grind the raw ore after grinding Full mixed flotation roughing treatment; continue to select the coarse concentrate after roughing, continue to add combined flotation agent to sweep the tailings after roughing; Carry out regrinding; add a combined impurity remover to the regrinded lead-zinc-sulfur mixed rough concentrate for impurity removal, and the tailings after deimpurity return to the sweeping process. On the basis of the aforementioned method, lead-sulfur roughing, lead-sulfur concentration, and lead-sulfur separation can be added to obtain lead concentrate, and the tailings after flotation and separation are subjected to lead sweeping to finally obtain sulfur concentrate. The method of the invention has the advantages of simple and convenient process operation, reasonable process, less dosage of medicine, low energy consumption, long service life of equipment, good separation effect and the like.