34results about How to "Improve the efficiency of magnetic separation" patented technology

The invention discloses a wind dry type magnetic separator. The wind dry type magnetic separator comprises a rack, an enclosure, dust removing devices and a nonmagnetic cylinder screen roller, wherein the dust removing devices communicate with an inner cavity of the enclosure and are used for exhausting and removing dust; the nonmagnetic cylinder screen roller is arranged in the enclosure and is driven by a driving device to rotate; a feeding device is arranged above the nonmagnetic cylinder screen roller; a concentrate bin, a tailing bin and a discharging device are arranged below the nonmagnetic cylinder screen roller; a plurality of ventilation holes are formed in the roller surface of the nonmagnetic cylinder screen roller; a fixedly-arranged magnetic system is arranged inside the nonmagnetic cylinder screen roller; an air chamber communicating with the ventilation holes is also arranged in the nonmagnetic cylinder screen roller; the air chamber is connected with an air feeding device; a striker plate which is arranged along the rotating direction of the nonmagnetic cylinder screen roller in an extending manner from a discharge opening of the feeding device is arranged on the enclosure; and a space is reserved between the striker plate and the outer surface of the nonmagnetic cylinder screen roller. The wind dry type magnetic separator disclosed by the invention has the advantages that the structure is simple and compact, magnetic agglomeration and inclusion can be effectively reduced, the magnetic separation efficiency of materials is improved, and the like.

The invention relates to an annular porous nano magnetic bead separator which comprises a casing and magnet groups, wherein each magnet group adopts a tile shape, and the number of the magnet groups is an even number; the magnet groups are arranged in an accommodating cavity which corresponds to the shape of the magnet groups and is arranged in the casing in an annular manner; a tube hole for accommodating a tube is arranged on the casing between every two adjacent magnet groups; and the polarities of poles of every two magnet groups are contrary. The invention further relates to a mounting method of the annular porous nano magnetic bead separator. The annular porous nano magnetic bead separator and the mounting method thereof have the advantages that the utilization rate of magnets and the tube holes are effectively improved, the separation efficiency is improved, and the annular porous nano magnetic bead separator can be assembled easily. The annular porous nano magnetic bead separator belongs to the technical field of nano magnetic bead separation devices.

The invention discloses a dry and wet type cyclic magnetic separation method. A dry type magnetic separation method comprises the steps of a, grinding ores; b, performing pre-screening; c, performing reducing roasting; d, feeding materials; e, performing magnetic separation through an upper magnetic separation barrel; f, enabling the upper magnetic separation barrel to rotate to clean a storehouse; g, performing magnetic separation through a lower magnetic separation barrel; h, enabling the lower magnetic separation barrel to rotate to clean the storehouse; i, performing cyclic reciprocating magnetic separation; and j, rotating to discharge slag. A wet type magnetic separation method comprises the steps of a, cleaning impurities; b, performing filtering and pre-screening; c, feeding materials; d, performing magnetic separation through an upper magnetic separation barrel; e, enabling the upper magnetic separation barrel to rotate to clean a storehouse; f, performing magnetic separation through a lower magnetic separation barrel; g, enabling the lower magnetic separation barrel to rotate to clean the storehouse; h, performing cyclic reciprocating magnetic separation; and i, rotating to discharge slag. The device adopts a unique double-barrel circulating structure; when the circulating structure rotates to different positions under the driving of a driving device, river sand or metal mortar can be cyclically separated between the two hollow barrels. The whole process of the method is automatically controlled by a circuit, so that the waste of human resources is reduced, and the problems that a separation method is complicated, a separation process is long and the like are solved.

The invention discloses a magnetic separation device for high-purity quartz sand production and processing. The device comprises a casing. Outer walls of two sides of the casing are equipped with mounting plates, upper surfaces of the mounting plates are equipped with vibration motors, a connecting plate is installed on one side of a lower surface of each mounting plate, the other end of each connecting plate is mounted on an upper surface of a supporting plate, a lower surface of the supporting plate is connected to an upper surface of a base by up-and-down vibration mechanisms, a flow equalizing plate is set at an upper part in the casing, two first plate-shaped electromagnets and two second plate-shaped electromagnets are disposed directly under the flow equalizing plate, and the two first plate-shaped electromagnets and two second plate-shaped electromagnets are misaligned with each other. The problem of a poor magnetic selection effect of an existing magnetic separation device forhigh-purity quartz sand production and processing is solved, and the magnetic separation device of the invention has the advantages of convenience in use, simple structure and high practicability.

The invention discloses quartz tailings recycling equipment. The quartz tailings recycling equipment is simple in structure, and quartz tailings can be recycled well; the quartz tailings are screened,and then are subjected to washing and desliming, drying and scrubbing, primary magnetic separation, treatment through a flotation assembly and secondary magnetic separation; and the quartz tailings can be effectively utilized. Washing and desliming are implemented at first, soil in the tailings can be washed thoroughly, then the quartz tailings are slightly dried and then are scrubbed by a grinding disc, thus, iron oxide on the outer surface of quartz sand in the tailings is removed, follow-up magnetic separation is facilitated, during primary magnetic separation, the tailings are ground to one another while magnetic separation, the magnetic separation efficiency can be improved, and quartz stone can be separated from the quartz sand by the flotation assembly. During secondary magnetic separation, the iron oxide can be separated out well by strong magnetism, and the extracting purity of tailings quartz sand is greatly ensured.

The invention discloses a feeding device of a ceramic raw material magnetic separator. The feeding device comprises a material box; the top end of the material box is connected with a charging pipe; amaterial bag is arranged in the material box, and the bottom of the material bag is connected with a feeding pipe; the feeding pipe is arranged in a through groove formed in the bottom end of the material box; a slide rail is installed on the side wall of the through groove of the material box and provided with two concave grooves; a plurality of balls are uniformly distributed in the concave grooves and are in rolling connection with a slide seat; the slide seat is of a concave structure and arranged on the slide rail in a covering mode; a threaded rod is arranged in the position, below thematerial bag, of the interior of the material box and installed in a bearing seat located on the inner side wall of the material box in a penetrating mode; the end, penetrating through the side wall of the material box, of the threaded rod is connected with a spiral motor, and the spiral motor is fixedly installed on the outer wall of the material box through a motor seat; and the threaded rod isprovided with a moving block. According to the feeding device of the ceramic raw material magnetic separator, by arranging the material bag, the feeding pipe and a mechanism for driving the feeding pipe, uniform feeding is achieved, meanwhile, the feeding pipe is internally provided with a rotary shaft, and the problem that the interior of the feeding pipe is blocked during feeding is solved.

The invention discloses a tubular turbid wastewater suspended matter treatment device based on a YC magnetic separation process, and relates to the technical field of sewage treatment. The tubular turbid wastewater suspended matter treatment device based on the YC magnetic separation process comprises a water inlet pipe, a water outlet pipe and a PLC; a diversion valve is fixedly connected to the rear side of the water inlet pipe, the left side and the right side of the flow guide valve are fixedly connected with flow dividing pipes correspondingly, air valves are arranged at the front ends of the flow dividing pipes, a first gear is rotationally connected to the upper portion of each air valve, a second gear is rotationally connected to the upper portion of the flow guide valve, the first gears are in meshing transmission connection with the second gears, and a plurality of magnetic purification devices are arranged in the middle of each flow dividing pipe. The sewage in the water inlet pipe is continuously purified and separated through alternate work of the two flow dividing pipes, and the magnetic separation efficiency of the sewage can be effectively improved.

The invention discloses a magnetic separation device, a sample analyzer and a flow fluorescence immunoassay analyzer. The invention discloses a magnetic separation device, which comprises: a base provided with an accommodating groove; the turntable that is rotatably arranged in the accommodating groove, at least one accommodating hole is formed in the turntable, and the accommodating hole is usedfor accommodating a sample container filled with a sample and/or a magnetic compound; and the magnetic part that is arranged on the base and is used for adsorbing the magnetic compound in the sample container onto the inner wall of the sample container. The invention also discloses an immunoassay analyzer and a flow fluorescence immunoassay analyzer. The adsorption effect of the magnetic compoundcan be improved, the load of the turntable is reduced, and the magnetic separation efficiency is improved.

The invention relates to a method for improving the grade of ultra-lean ore. The method comprises the following steps: 1) raw ore is subjected to open-circuit rubbing and washing by using a ball mill,and the obtained ore pulp is deslimed to obtain deslimed ore pulp; 2) the deslimed ore pulp is ground to obtain first-grade deslimed ore pulp; 3) the first-grade deslimed ore pulp is subjected to first-stage magnetic separation to obtain rough concentrate, and the tailings are discarded; 4) the rough concentrate is ground to obtain second-grade deslimed ore pulp; 5) the second-grade deslimed orepulp is subjected to second-stage magnetic separation to obtain iron rough concentrate and tailings of second-stage magnetic separation; 6) the iron rough concentrate is ground and subjected to third-stage magnetic separation to obtain iron concentrate and tailings of third-stage magnetic separation; and 7) the tailings of second-stage magnetic separation and the tailings of third-stage magnetic separation are ground and subjected to fourth-stage magnetic separation to obtain titanium concentrate, and the tailings are discarded. The method utilizes a depreciated resource and uses the ball millto deslime ilmenite with high mud content firstly; and compared with the existing traditional desliming device, the ball mill has better effect and can avoid blocking.

The invention relates to a reduction roasting-magnetic separation method for iron ore, in particular to a reduction roasting-magnetic separation method for low-grade vanadium titano-magnetite, which belongs to the technical field of mineral separation. The method comprises the steps that raw ore with the iron grade being 17.43%-28.59% is subjected to coarse crushing till the raw ore with the iron grade being 220-250 mm accounts for 80% or above, and then fine crushing till the raw ore with the iron grade being 30-50 mm accounts for 80% or above; waste rock and first concentrate are obtained through separation at the speed of 30-35 KA/m, the first concentrate is crushed to be 1-3 mm and accounts for 90% or above, magnetic separation is conducted at the speed of 115-125 KA/m, tailings are discarded, and second concentrate is obtained; the second concentrate, a reducing agent and a fluxing agent are mixed, roasted at 600-800 DEG C for 10-15 minutes, and cooled; and magnetic separation at 170-190 KA/m is then conducted to obtain iron ore concentrate. The magnetic separation efficiency is high, the iron recovery rate is high, the grade is greatly improved, and the resource value is maximized.

The invention discloses a magnetic conductive metal powder cleaning and separating roller, and belongs to the technical field of magnetic separators. Comprising a shell, a door opening assembly and a magnetic core frame, a fixing frame is vertically arranged on the side wall of the shell, a sliding groove is formed in the side wall of the shell, the door opening assembly is arranged in the sliding groove, the door opening assembly comprises a locking hand wheel, a handle and a sliding door, the bottom of the sliding door is arranged in the sliding groove to form a sliding structure, and a locking plate is vertically arranged on the side wall of the sliding door. The locking plate is fixed through the locking hand wheel and the fixing frame, the magnetic core frame is arranged in the shell and comprises an upper frame, a lower frame and a guide sleeve, the upper frame and the lower frame are coaxial, the magnetic field intensity is high, the magnetic separation efficiency is improved, a magnetic bar is of a completely-closed structure, and the magnetic bar is smooth and labor-saving to insert back; and a gap between the external diameter of the magnetic rod and the internal diameter of the sleeve is large.

The invention belongs to the technical field of ore dressing, and particularly discloses a production method of albite. The production method comprises the following specific steps of S1, desilting; S2, ball grinding; S3, magnetic separation impurity removal; S4, drying, wherein concentrate pulp is added into a drying furnace to be dried to obtain solid concentrates; S5, calcining, the solid concentrates are transferred into a calcining furnace to be calcined, and the calcining temperature ranges from 1200 DEG C to 1350 DEG C; S6, impurity removal, wherein calcined ore is subjected to ball grinding, ball grinding is carried out till the particle size is smaller than 0.5 cm, and ore pulp is obtained; S7, flotation, wherein a sulfuric acid solution is added, the pH value of the ore pulp is adjusted to range from 6.0 to 6.5, then a collecting agent and a foaming agent are added, foam products are collected, and concentrate pulp B is obtained; and S8, oil removal. By means of the treatmentmethod, the main effective components of the albite can be purified, and impurities influencing the color of the albite can be effectively removed.