Efficient recovery method for superfine high-argillaceous iron oxide ore in complex occurrence state

The invention relates to a high-efficiency recovery method for superfine high-argillaceous iron oxide ore in a complex occurrence state. The method comprises the following steps: (1) selectively dispersing raw materials; (2) magnetite series strong magnetic roughing; (3) magnetite series strong magnetic scavenging; (4) magnetite series strong magnetic concentration; (5) limonite system pulse high-gradient super-strong magnetic roughing; and (6) limonite system pulse high-gradient strong magnetic concentration. Segmented magnetic separation is conducted on a superfine particle magnetite system and a limonite system in a complex occurrence state, the magnetite system is efficiently and preferentially recycled through strong magnetism and a small working gap, then a pulse high-gradient magnetic separation unit is adopted for efficiently recycling the limonite system through super-strong magnetism, high pulse and high gradient, iron oxide ore is effectively recycled in a classified and efficient ...

Centrifugal classification equipment of micro-fine particle level materials

The invention relates to centrifugal classification equipment of micro-fine particle level materials, and belongs to the technical field of mineral processing. The equipment comprises an equipment body, a rack and a hollow shaft, and the equipment shaft comprises a feeding guide pipe, a water feeding guide pipe, a centrifugal classification cavity, a classification water cavity and a classification water flow guide device. Ore pulp is fed through the upper end of the vertical hollow shaft and enters an impact-prevention multi-hole baffle of the centrifugal classification cavity through the feeding guide pipe, and meanwhile classification water is fed in the opposite direction of the hollow shaft, and enters the classification water cavity through the water feeding guide pipe, and water in the classification water cavity is affected by the classification water flow guide device to form backward flow with an ore pulp flow in the classification cavity; and thickness classification is carried ...

Bag body improved structure

The utility model provides a bag body improved structure, this bag body improved structure be contain one bag of body, one first, two portable intensive units and one first, two strengthen that lamellar bodies institute is relative to be constituted, borrow this innovation unique design, make the utility model discloses when possessing the holding thing of weight with the help of this bag of internal portion packing, with the help of strengthening of this portable intensive unit and let strengthening of portable intensive unit and let portable should first intensive hole of carrying, the intensive hole of carrying of this second, this is first strengthens that carry the limit and this second is strengthened when carrying the limit position, can reinforce portable tensile strength and difficult messenger is carried the limit and is carried the hole relatively and produce and tear by a wide margin, and make the bag body cause unbearably use, and make the content ground of dropping, and then ...

Bag body structure

The utility model provides a bag body structure, this bag body structure include one bag of body, a portable intensive unit and an intensive lamellar body, borrow this innovation unique design, make the utility model discloses when this bag of internal portion packing has the holding thing of weight, make portable reinforceing carry the hole and reinforce when carrying the limit position through reinforceing of this portable intensive unit, the tensile strength and difficult that can by a wide margin reinforce the handbag makes and carries the limit and carry the hole relatively and produce and tear, so avoid the bag body to can't bear to use, a condition that the content dropped ground takes place, and then makes the portion of carrying of this bag of body reinforce, makes the handbag quality promote, has more practicality and progress nature.

Spiral flow continuous centrifugal classifier

The invention relates to a classifier for the centrifugal classification of minerals and the classifier can effectively separate minerals with different heavy mineral contents and be especially suitable for the deep concentration of fine minerals with high heavy mineral contents. In the classifier, a water inlet pipe is connected on the wall of a sealed barrel-shaped settling chamber, the upper part of the settling chamber is provided with a barrel-shaped spiral flow column, the lower part is connected with a concentration cone; the lower end of the concentration cone is connected with a concentrate pipe; the upper part of the spiral flow column is connected with a mineral-feeding pipe tangentially, the lower part is connected with a coaxial sorting cone with a sealed bottom, tangential fluidization holes are uniformly distributed at the bottom of a conical ring slot on the inner wall of the sorting cone, and the top of the spiral flow column is provided with a tailing pipe which is communicated ...

Separation-smelting combined method for producing iron ore concentrate from oolitic lean hematite

The invention relates to a separation-smelting combined method for producing iron ore concentrate from oolitic lean hematite. The technical scheme first comminutes oolitic lean hematite containing 30 to 40 percent of iron, the comminuted mineral slurry enters a high-intensity magnetic separator and preseparated, weak-magnetic mineral is turned into strong-magnetic concentrate, and tailings are removed in advance; the strong-magnetic concentrate is mixed with pulverized coal, the weight of which accounts for 10 to 30 percent of the weight of the concentrate, and the mixture is heated to 900 DEG C to 1100 DEG C in a muffle furnace, and is magnetically roasted as the temperature is kept for 1 to 3 hours; after being cooled, the magnetically roasted mineral sample is wet-milled, and is then fed into a low-intensity magnetic separator and separated under low-intensity magnetism, magnetic mineral is turned into weak-magnetic concentrate, and thereby high-quality iron concentrate is produced.

Centrifugal thickener

The invention relates to a centrifugal thickener and belongs to the technical field of solid-liquid separation equipment in mining industry, environmental protection and chemical industry. The centrifugal thickener comprises a frame, a body positioned at the upper end of the frame, and a protective cover covering the body, wherein the body comprises a belt pulley, a bearing block, a bottom flow groove, an upper cone, a feeding hopper, an overflow hole, a hollow shaft, a disc piece and other parts; the feeding hopper is arranged on the top of the body; the upper cone coats the feeding hopper and is connected with a lower cone to form a conical annular settlement area through a toothed sealing pad; the hollow shaft, which is close to the bottom of the feeding hopper and penetrates through the frame is arranged in the middle of the conical annular settlement area; the disc component is arranged in the middle of the conical annular settlement area; the disc component and the periphery of the ...

Centrifugal high-gradient magnetic method

The invention provides a centrifugal high-gradient magnetic method, which comprises the following steps: a magnetic medium cylinder with magnetic medium is fixed in the middle of a separating cylinder and rotates along with the separating cylinder in magnetic field to form a comprehensive force-field by the competition of high-gradient magnetic field and centrifugal force filed in the magnetic medium. A pulp self-feeding ore taper pipe enters into the magnetic medium cylinder to carry out separation; because magnetic force of magnetic minerals is greater than the centrifugal force, the magnetic medium can capture the magnetic minerals; because the magnetic force of poor intergrowth and gangue is less than the centrifugal force, the poor intergrowth and gangue can pass through the magnetic medium, flow out of a through-hole on a magnetic medium cylinder wall, enter into the separating cylinder and finally flow out of an ore discharging pipe at the bottom. When the magnetic minerals of captured ...

Separation-smelting combined method for producing iron ore concentrate from oolitic lean hematite

The invention relates to a separation-smelting combined method for producing iron ore concentrate from oolitic lean hematite. The technical scheme first comminutes oolitic lean hematite containing 30 to 40 percent of iron, the comminuted mineral slurry enters a high-intensity magnetic separator and preseparated, weak-magnetic mineral is turned into strong-magnetic concentrate, and tailings are removed in advance; the strong-magnetic concentrate is mixed with pulverized coal, the weight of which accounts for 10 to 30 percent of the weight of the concentrate, and the mixture is heated to 900 DEG C to 1100 DEG C in a muffle furnace, and is magnetically roasted as the temperature is kept for 1 to 3 hours; after being cooled, the magnetically roasted mineral sample is wet-milled, and is then fed into a low-intensity magnetic separator and separated under low-intensity magnetism, magnetic mineral is turned into weak-magnetic concentrate, and thereby high-quality iron concentrate is produced.

Centrifugal high-gradient magnetic method

Fine grade material centrifugal classification equipment

The utility model relates to a fine grade material centrifugal classification equipment belongs to mineral processing technical field. The utility model discloses an equipment principal, frame, quill shaft, equipment principal includes for ore deposit pipe, feedwater pipe, centrifugal classification chamber, hierarchical water cavity, hierarchical rivers director. The utility model discloses the upper end of ore pulp through vertical quill shaft is given and the protecting against shock perforated baffle department through entering into the centrifugal classification chamber for the ore deposit pipe, give hierarchical water and enter into hierarchical water cavity through the feedwater pipe at the opposite direction of this quill shaft simultaneously, water in the hierarchical water cavity the effect of hierarchical rivers director down with hierarchical chamber in the ore pulp flow and form the reverse flow, the thickness that solid particle realized the granule in the ore pulp under the ...