Dust extractor
 Magnetic separator / 2365421Invention is related to the field of magnetic separation, namely, to devices for extraction of magnetic-susceptible particles from liquid mediums, and may be used in mining, metallurgical and other industries. Magnetic separator comprises body that hosts concentrically installed non-magnet drum and magnet system on permanent magnets with alternating polarity of poles and possibility of rotation, loading and unloading devices. Drum is installed with the possibility of rotation towards magnetic system with linear speed lower or equal to speed of pulp motion in working zone of separator. The following components are rigidly fixed on internal surface of body along with direction of pulp motion - arc-shaped plate made of electret-type material, for instance, polyurethane, blade deflectors with specified gap from drum surface and induction grid from magnetic soft material, for instance, steel, installed between unloading devices for discharge of slime and concentrate. |
 Pneumatic-induction separator / 2325233Pneumatic-induction separator consists of magnetic circuit in the form of the vertical cylinder with the device for decrease of the channel cross-section. There is a feeder with a pressure connection and the ventilating fan in the top part. The separator magnetic circuit is executed in the form of one coil reeled up on a carcase from the electro-insulating plastic, formed by a set of windings with different number of turns increasing from below upwards, connected in parallel. |
 Device for magnetic separation of finely dispersed raw material / 2295392Proposed device may be used for separation admixtures possessing different magnetic properties from inert medium. Proposed device has taper vibrating feeder, separation chamber, revolving magnetic system made in form of hollow vertically oriented dielectric cylinder with permanent magnet units located radially along its axis. Separation chamber is made in form of hollow perforated cylinder located coaxially inside magnetic system; this cylinder is made from dielectric material and is provided with holes, 2-3 mm in diameter which are located in area of action of magnetic system. Fins wound spirally around perforated cylinder of separation chamber in way of holes; these fins are also made from dielectric material and their width is lesser than distance between inner perforated cylinder and magnetic system by 1-2 mm. |
 Method of the magnetic concentration and the device for the method realization / 2288039The invention is pertaining to the field of metal mining industry, in particular, to the magnetic concentration of the finely ground ores containing the strong-magnetic materials and allows to improve the quality of the concentrate. The method provides for the gating of the mash through the working area of the electromagnetic separator with the motionless drum, when the layer of the having flocculated and moving on the working surface particles of the concentrate under action of the traveling magnetic field are exposed to such a mechanical action at which the floccules are destroyed making themselves free from the nonmagnetic fractions, which are flushed away by the water sprays, then the freed thus magnetic particles again are formed in floccules and are withdrawn into the discharge zone. The device includes the body-bath with the conical bottom, the working tool made in the form of the vertical casing-shell with the rotating circular magnet system, which is arranged inside the casing-shell and based on the permanent magnets. On the exterior surface of the casing-shell along its generatrix there are the mounted nets made out of the nonmagnetic material with the mesh size exceeding the maximum size of the grains, but less than the dimension of the floccules along their long axis, and near to the nets the flashing collectors are mounted. For withdrawal of the layer of the floccules of the magnetic fraction the spiral guide is installed. |
 Pneumoinductive separator / 2275247Invention is designed for separating cereal heaps namely for separating grain and seeds. Proposed pneumoinductive separator includes magnetic circuit in form of vertical cylinder with device for decreasing cross section of channel in upper part, feeder with supply branch pipe, and fan. Separator is furnished with pneumatic channel adjoining device for decreasing cross section of channel and made of nonmagnetic material, with diameter equal to 3/4 of diameter of magnetic circuit. The latter is made in form of set of coils different in number of turns providing 1.3-1.5 increase of strength of magnetic field in direction from bottom to top. |
 Dust catcher / 2271869The invention is pertaining to the field of iron and steel industry, in particular, to dust catchers used for purification of blast furnaces top gases from a dust. The invention ensures an increase of the dust-catching efficiency. The dust-catcher consists of a cylindrical-conical body with the branch-pipes for dust-gas mixture feeding, withdrawal of the gas and the dust discharge; an electromagnetic system of a dust trapping with the magnetic conductors, the cellular core made out of a ferromagnetic material. The dust catcher is additionally equipped with the stop ribs to be used for mounting of the dust catching electromagnetic system with the magnetic conductors and the cellular core, and for fixation of their position in the space. The branch-pipe for feeding of the dust-gas mixtures has a diffuser made out of the non-ferrous metal, the lower part of which is arranged on the level of the lower part of the cellular core. |
 Dust catcher / 2270724Dust catcher has cylindrical-conical casing with branch pipes for supplying dust and gas mixture, discharge of purified gas and discharge of dust, traveling electromagnetic field system, spiral gas guide, locking sleeve, and cellular core. Supports formed from non-ferromagnetic strips are set on casing internal surface, within zone adjacent to traveling magnetic field. Cellular core is provided between supports and spiral guide. |
 Electromagnetic separator / 2257956Separator includes apparatus for feeding raw material, unit for separating raw material in the form of plate with three-phase winding, trough with ferromagnetic layer in bottom mounted on elastic members. When apparatus for feeding raw material realizes working process of metering material, mechanically prepared mixture is fed in trough that performs rocking due to change of magnetic induction. Due to action of pondermotive forces magnetic particles float up to surface of layer moving downwards, they move towards traveling magnetic field and enter pipeline for products. Unit for separating raw material and trough are arranged by inclination angle α relative to horizontal plane. Inclination angle of trough and rigidity of elastic members may be adjusted. |
 Magnetic separator-analyzer / 2246358Proposed separator includes magnetic system located under moving belt of conveyer around vertical axis; magnetic system consists of permanent magnets at alternating polarity over circle arc. Revolving magnetic system is located above moving belt of conveyer and distance between belt and inclination of axis of rotation may be changed vertically; magnetic fraction is unloaded by means of non-magnetic disk rotating together with magnetic system; this disk is located under magnetic system for change of distance to magnets. |
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Magnetic separator-analyzer / 2246358 Proposed separator includes magnetic system located under moving belt of conveyer around vertical axis; magnetic system consists of permanent magnets at alternating polarity over circle arc. Revolving magnetic system is located above moving belt of conveyer and distance between belt and inclination of axis of rotation may be changed vertically; magnetic fraction is unloaded by means of non-magnetic disk rotating together with magnetic system; this disk is located under magnetic system for change of distance to magnets. |
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Electromagnetic separator / 2257956 Separator includes apparatus for feeding raw material, unit for separating raw material in the form of plate with three-phase winding, trough with ferromagnetic layer in bottom mounted on elastic members. When apparatus for feeding raw material realizes working process of metering material, mechanically prepared mixture is fed in trough that performs rocking due to change of magnetic induction. Due to action of pondermotive forces magnetic particles float up to surface of layer moving downwards, they move towards traveling magnetic field and enter pipeline for products. Unit for separating raw material and trough are arranged by inclination angle α relative to horizontal plane. Inclination angle of trough and rigidity of elastic members may be adjusted. |
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Dust catcher / 2270724 Dust catcher has cylindrical-conical casing with branch pipes for supplying dust and gas mixture, discharge of purified gas and discharge of dust, traveling electromagnetic field system, spiral gas guide, locking sleeve, and cellular core. Supports formed from non-ferromagnetic strips are set on casing internal surface, within zone adjacent to traveling magnetic field. Cellular core is provided between supports and spiral guide. |
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Dust catcher / 2271869 The invention is pertaining to the field of iron and steel industry, in particular, to dust catchers used for purification of blast furnaces top gases from a dust. The invention ensures an increase of the dust-catching efficiency. The dust-catcher consists of a cylindrical-conical body with the branch-pipes for dust-gas mixture feeding, withdrawal of the gas and the dust discharge; an electromagnetic system of a dust trapping with the magnetic conductors, the cellular core made out of a ferromagnetic material. The dust catcher is additionally equipped with the stop ribs to be used for mounting of the dust catching electromagnetic system with the magnetic conductors and the cellular core, and for fixation of their position in the space. The branch-pipe for feeding of the dust-gas mixtures has a diffuser made out of the non-ferrous metal, the lower part of which is arranged on the level of the lower part of the cellular core. |
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Pneumoinductive separator / 2275247 Invention is designed for separating cereal heaps namely for separating grain and seeds. Proposed pneumoinductive separator includes magnetic circuit in form of vertical cylinder with device for decreasing cross section of channel in upper part, feeder with supply branch pipe, and fan. Separator is furnished with pneumatic channel adjoining device for decreasing cross section of channel and made of nonmagnetic material, with diameter equal to 3/4 of diameter of magnetic circuit. The latter is made in form of set of coils different in number of turns providing 1.3-1.5 increase of strength of magnetic field in direction from bottom to top. |
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Method of the magnetic concentration and the device for the method realization / 2288039 The invention is pertaining to the field of metal mining industry, in particular, to the magnetic concentration of the finely ground ores containing the strong-magnetic materials and allows to improve the quality of the concentrate. The method provides for the gating of the mash through the working area of the electromagnetic separator with the motionless drum, when the layer of the having flocculated and moving on the working surface particles of the concentrate under action of the traveling magnetic field are exposed to such a mechanical action at which the floccules are destroyed making themselves free from the nonmagnetic fractions, which are flushed away by the water sprays, then the freed thus magnetic particles again are formed in floccules and are withdrawn into the discharge zone. The device includes the body-bath with the conical bottom, the working tool made in the form of the vertical casing-shell with the rotating circular magnet system, which is arranged inside the casing-shell and based on the permanent magnets. On the exterior surface of the casing-shell along its generatrix there are the mounted nets made out of the nonmagnetic material with the mesh size exceeding the maximum size of the grains, but less than the dimension of the floccules along their long axis, and near to the nets the flashing collectors are mounted. For withdrawal of the layer of the floccules of the magnetic fraction the spiral guide is installed. |
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Device for magnetic separation of finely dispersed raw material / 2295392 Proposed device may be used for separation admixtures possessing different magnetic properties from inert medium. Proposed device has taper vibrating feeder, separation chamber, revolving magnetic system made in form of hollow vertically oriented dielectric cylinder with permanent magnet units located radially along its axis. Separation chamber is made in form of hollow perforated cylinder located coaxially inside magnetic system; this cylinder is made from dielectric material and is provided with holes, 2-3 mm in diameter which are located in area of action of magnetic system. Fins wound spirally around perforated cylinder of separation chamber in way of holes; these fins are also made from dielectric material and their width is lesser than distance between inner perforated cylinder and magnetic system by 1-2 mm. |
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Pneumatic-induction separator / 2325233 Pneumatic-induction separator consists of magnetic circuit in the form of the vertical cylinder with the device for decrease of the channel cross-section. There is a feeder with a pressure connection and the ventilating fan in the top part. The separator magnetic circuit is executed in the form of one coil reeled up on a carcase from the electro-insulating plastic, formed by a set of windings with different number of turns increasing from below upwards, connected in parallel. |
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Magnetic separator / 2365421 Invention is related to the field of magnetic separation, namely, to devices for extraction of magnetic-susceptible particles from liquid mediums, and may be used in mining, metallurgical and other industries. Magnetic separator comprises body that hosts concentrically installed non-magnet drum and magnet system on permanent magnets with alternating polarity of poles and possibility of rotation, loading and unloading devices. Drum is installed with the possibility of rotation towards magnetic system with linear speed lower or equal to speed of pulp motion in working zone of separator. The following components are rigidly fixed on internal surface of body along with direction of pulp motion - arc-shaped plate made of electret-type material, for instance, polyurethane, blade deflectors with specified gap from drum surface and induction grid from magnetic soft material, for instance, steel, installed between unloading devices for discharge of slime and concentrate. |
 Dust extractor / 2368424Dust extractor includes cylinder-taper casing with branches for supply of powder-gas mixture, withdrawal of treated gas and discharge of dust, electromagnetic dust collection system, spiral guide of powder-gas mixture movement, cellular core, locking sleeve and rests, installed between barrel and cellular core. Dust extractor is implemented of top cylinder-taper butt with flange and branch for withdrawal of treated gas, dust catching unit with flanges and with branch for supply of powder-gas mixture and bottom cylinder-taper butt with flange and branch for dust withdrawal. Dust catching unit is assembled on separate stand in composition of cylinder with flanges and branches for supply of powder-gas mixture. On it on the outside it is installed electromagnetic system with magnetic conductors, inside there are installed spiral guide for movement of powder-gas mixture, rest of cellular core made of nonferromagnetic material, cellular core in the form of vertical strips made of ferromagnetic material, installed on-the-mitre to movement of powder-gas mixture, and locking sleeve. |
FIELD: metallurgy.
SUBSTANCE: dust extractor includes cylinder-taper casing with branches for supply of powder-gas mixture, withdrawal of treated gas and discharge of dust, electromagnetic dust collection system, spiral guide of powder-gas mixture movement, cellular core, locking sleeve and rests, installed between barrel and cellular core. Dust extractor is implemented of top cylinder-taper butt with flange and branch for withdrawal of treated gas, dust catching unit with flanges and with branch for supply of powder-gas mixture and bottom cylinder-taper butt with flange and branch for dust withdrawal. Dust catching unit is assembled on separate stand in composition of cylinder with flanges and branches for supply of powder-gas mixture. On it on the outside it is installed electromagnetic system with magnetic conductors, inside there are installed spiral guide for movement of powder-gas mixture, rest of cellular core made of nonferromagnetic material, cellular core in the form of vertical strips made of ferromagnetic material, installed on-the-mitre to movement of powder-gas mixture, and locking sleeve.
EFFECT: effectiveness increase of dust collecting and simplification of equipment mounting.
2 dwg
The invention relates to ferrous metallurgy, in particular to a device for cleaning flue gases of blast furnaces.
Known half-collector gas purification, comprising a cylindrical housing with connections for the supply of dust-gas mixture and clean gas discharge nozzle for spraying water and the outlet for removal of the pulp through a water trap (1).
The disadvantage of this dust collector in the formation of wet sludge unsuitable for disposal without prior preparation.
The closest in technical essence to the proposed device is a dust collector, comprising a cylindrical housing with connections for the supply of dust-gas mixture, the clean gas discharge and release of dust, electromagnetic system running magnetic field, the spiral guide the motion of the gas, the locking Cup and the honeycomb core on the inner surface of the shell in the zone of action of the magnetic field established support from non-ferromagnetic material, and a honeycomb core is installed between the supports and the spiral guide (2).
The disadvantage of this dust collector is the absence of a magnetic circuit inside the dust collector, which reduces the efficiency, and the difficulty of assembling large components for industrial dust collectors.
Technical for the of ACA the proposed device is to increase the efficiency of dust collection and simplify equipment installation of dust collection system on modern high-catchers.
The technical solution is that in a well-known collector, comprising a cylindrical housing with connections for the supply of dust-gas mixture, the clean gas discharge and release the dust collector is made of the upper conical end with a flange and a pipe for draining cleaned gas block dust with flanges and with a pipe for the supply of dust-gas mixture and the lower conical end flange and socket to release dust, block dust collected on a separate stand in the composition of the cylinder flange and tube feeding dust-gas mixture, which is installed outside the magnetic system with magnetic circuits, installed inside the spiral guide movement of dust-gas mixture supports cellular core of non-ferromagnetic material, the honeycomb core in the form of vertical strips of ferromagnetic material mounted at an angle to the movement of the dust-gas mixture, and the locking Cup.
Assembly on a separate stand in the cylinder with flanges only dust collecting equipment is extremely simple preparation of equipment for installation on the lower cylindrical end, and the manufacture of the honeycomb core in the form of vertical strips in the role of magnetic circuits inside the body, increases the efficiency of dust collection.
The proposed device is the primary objective in the General form shown in figure 1 and figure 2 and consists of the top end 1 with a flange 13 and a nozzle clean gas discharge 16 with flanges 14, block dust in the composition of the cylinder 4 with the flanges 5 and 13 and socket 2 for receiving dust-gas mixture with flanges 3, which is outside mount electromagnetic system 11 with the magnetic circuit 9, and the inside of the spiral guide 12 movement of dust-gas mixture, the cellular core 10 made in the form of vertical strips of ferromagnetic material mounted at an angle to the direction of movement of the dust-gas mixture on the supports 15 of the honeycomb core, the locking Cup 8, the lower conical end 6 with the outlet pipe dust 7 and the flange 5.
Improving the efficiency of dust collection is provided by the offset of dust by centrifugal forces to the periphery of the flow, the dust electromagnetic field of high tension provided by the magnetic - vertical stripes, locking dust in the electromagnetic field of the honeycomb core and the direction of its nozzle to remove dust.
Literature
1. Reference "Domain proceedings" Ed. by AK. Research Institute for ferrous metallurgy. Moscow: Metallurgizdat, 1963, vol. 2, s.219.
2. RF patent №2270724, VS 1/24.
A dust collector comprising a cylindrical housing with connections for the supply of dust-gas mixture, the clean gas discharge and release of dust, electromagnetic system dust, spiral guide movement of dust-gas mixture, the cell-gel core is, the locking Cup and bearing installed between the cylindrical casing and the honeycomb core, wherein the dust collector is made of the upper conical end with a flange and a pipe for draining cleaned gas block dust with flanges and with a pipe for the supply of dust-gas mixture and the lower conical end flange and socket to release dust, and block dust collected on a separate stand in the composition of the cylinder flange and tube feeding dust-gas mixture, which is installed outside the magnetic system with magnetic circuits, installed inside the spiral guide movement of dust-gas mixture, support cellular core of non-ferromagnetic material, mesh the core in the form of vertical strips of ferromagnetic material mounted at an angle to the movement of the dust-gas mixture, and the locking Cup.