| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 41 | MOLDING SAND RECLAMATION METHOD AND RECLAMATION EQUIPMENT | US15577508 | 2016-04-18 | US20180133719A1 | 2018-05-17 | Takahumi OBA; Junichi IWASAKI; Kazuya ABE; Tatsuyuki AOKI |
| A method includes measuring a water content and a magnetized matter content of molding sand discharged from green sand casting equipment; comparing the measured water content with a first control value, and if the water content exceeds the first control value, drying the molding sand until the water content becomes equal to or less than the first control value; comparing the measured magnetized matter content with a second control value, and if the magnetized matter content exceeds the second control value, magnetically separating the molding sand until the magnetized matter content becomes equal to or less than the second control value; thereafter, reclaiming the molding sand by dry mechanical reclamation until a loss-on-ignition becomes equal to or less than a third control value; and classifying the molding sand until a total clay content becomes equal to or less than a fourth control value. | ||||||
| 42 | Cooling and dust exhaustion plant for foundry sand | US10136810 | 2002-04-30 | US20030201091A1 | 2003-10-30 | Bartolomeo Tosco |
| Cooling and dust exhaustion plant for foundry sand, comprising: a substantially closed structure defining a cooling channel extending according to a longitudinal axis and with an inlet section for the sand to be treated and an outlet section for the treated sand, a heat exchanger positioned inside the aforesaid structure and extending along the longitudinal axis of the cooling channel, a cooling circuit to allow a flow of cooling fluid to circulate in the heat exchanger, a fan positioned to send an air flow to an air chamber positioned under said heat exchanger, a dust suction chamber positioned above said heat exchanger, and a suction duct communicating with said suction chamber and associated with a filter unit, in which the heat exchanger comprises a plurality of tubes which extend in a transverse direction in relation to said longitudinal axis. | ||||||
| 43 | Rotating drum for reclaiming molding sand and molding sand reclaiming apparatus | US09456654 | 1999-12-08 | US06401798B1 | 2002-06-11 | Toshio Kondo |
| A molding sand reclaiming apparatus comprising an agitation tank which is provided with a fluidized bed at the inner bottom thereof and also provided with a charging port for used sand and a discharging port for reclaimed sand on the side wall thereof, a rotating shaft driven by a driving source disposed in the agitation tank; a rotating drum which is driven by the rotating shaft to agitate used sand charged into the agitation tank and peel off extraneous matters on the used sand; a classification tank which communicates with the upper part of the agitation tank via a regulating plate and is provided with a dust collecting port; and an air pressure source to fluidize the used sand charged on the fluidized bed in the agitation tank and classify, in the classification tank, the used sand into two parts of the extraneous matters peeled off by the rotating drum and the reclaimed sand, wherein scattering holes for scattering the used sand are formed in a cylinder portion constituting outside of the rotating drum. | ||||||
| 44 | Device intended for mechanical separation of high-temperature sand present in a gas stream | US09582789 | 2000-07-05 | US06383263B1 | 2002-05-07 | Francis A. L. Dullien |
| A process for separation of solid particles of wide grain size distribution present in a turbulent gas stream includes, first, removal of the coarser particles in a separation chamber (1) with a high efficiency, then removal, with a high efficiency, of the remaining finer particles in a precipitation device (20). An assembly intended for separation of solid particles of wide grain size distribution present in a turbulent gas stream includes a separation chamber (1) intended to receive the solid particles in suspension and to remove from the stream the major part of the coarser particles, and a precipitation device (20) intended to separate the finer particles from the stream. | ||||||
| 45 | Method and apparatus for reclaiming foundry sand | US84939 | 1993-06-30 | US5433389A | 1995-07-18 | Jovo Laskovic; Heinz Schneble; Peter Rossmanith |
| A method and apparatus for reclaiming foundry sand wherein the speed of the rotor and/or the drum and, thus, the resulting striking, shearing and friction forces are adapted or matched to the changing surface hardness of the quartz grains to be processed during the process duration. The drum comprises two drum halves separated transversely to the rotational axis, a sand inlet and a suction removal device. | ||||||
| 46 | Device for the batch-wise preparation of loose material | US621806 | 1990-12-04 | US5172748A | 1992-12-22 | Franz Satmer |
| An impact rotor arranged concentrically to the axis of a drum has preferably four beating blades which are wave-shaped on the outer peripheral side. | ||||||
| 47 | Dust collection hood for sand reclaimer, cooling, and blending rotary drum | US394870 | 1989-08-17 | US4981581A | 1991-01-01 | Charles J. Didion |
| A dust collecting hood for use in conjunction with a sand cooling, blending, reclaiming of other rotary drum, within the casting industry, the hood incorporates an upper and lower section, either of unitary or separate construction, the upper section including a discharge opening which cooperates with a vacuum pump to draw air through the hood, and the proximate discharge end of the rotary drum, while the lower section of the hood provides a discharge opening for removal of the mold sand from the drum, the hood, at this collection location, while further incorporating ports through which air may pass for forming the air curtain across the associated hood and drum, for removal of said fines, dust, and other deleterious particles from the ambient air. | ||||||
| 48 | Lost foam casting apparatus | US325553 | 1989-03-17 | US4971135A | 1990-11-20 | Francis V. Bailey; Russell J. Van Rens |
| An apparatus comprising a batch hopper including a bottom wall having therein a plurality of openings, a plurality of walls dividing the batch hopper into a plurality of compartments each communicating with a respective one of the openings and each adapted to receive sand from a main hopper, and a sliding gate for simultaneously opening and closing the openings in the bottom wall of the batch hopper. | ||||||
| 49 | Apparatus for purifying particulate mould material | US545014 | 1975-01-29 | US4089081A | 1978-05-16 | Hermann Jacob |
| Apparatus for purifying foundry sand which involves the passage of sand through layers of steel wool supported on perforated discs mounted on a vertical shaft in a standpipe. Perforations in the sides of the standpipe permit air to be blown through the sand as it drops down through the steel wool. The vertical shaft supporting the discs and steel wool is vibrated to cause the sand to move through and past the packs of steel wool. | ||||||
| 50 | Apparatus for granulating molded sand | US3770218D | 1972-01-03 | US3770218A | 1973-11-06 | CARPENTER J |
| In an apparatus for granulating molded sand, the feed material including lumps of molded sand from a first conveying surface are discharged onto the upper section of an endless conveyor which moves the material through a stream of abrasive particles and discharges the granulated sand and accumulated abrasive particles on a second conveying surface.
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| 51 | Apparatus for treating granular material | US7697660 | 1960-12-19 | US3088183A | 1963-05-07 | MCILVAINE ROBERT L; DONAT RALPH J |
| 52 | Sand regenerating and cupola preheating apparatus | US13060 | 1960-01-04 | US3029484A | 1962-04-17 | ISTVAN KUTNY |
| 53 | Sand cleaning system | US59219956 | 1956-06-18 | US2861304A | 1958-11-25 | WENNINGER CLIFFORD E |
| 54 | Method and apparatus for treating granular material | US44021454 | 1954-06-29 | US2813318A | 1957-11-19 | WALTER HORTH |
| 55 | Method of reclaiming granular material | US25278651 | 1951-10-23 | US2707314A | 1955-05-03 | WALTER HORTH |
| 56 | Apparatus for renovating molding sand | US23698038 | 1938-10-26 | US2233728A | 1941-03-04 | BELL WILLARD J |
| 57 | MOLDING SAND REGENERATION DEVICE | EP13831775.5 | 2013-05-09 | EP2851143B1 | 2017-04-05 | AOKI, Yukinori |
| To provide an apparatus for reclaiming foundry sand that has a fluidized bed that prevents slits from being clogged. The apparatus comprises a tank (3) for reclaiming the foundry sand, a tank (4) for fluidization, an upper portion of which in an upstream side is connected to a bottom of the tank for reclaiming the foundry sand, the tank for fluidization transporting the reclaimed foundry sand and fine powder that drop from the tank for reclaiming the foundry sand, a dust hood (5), and a lower portion of which communicates with an upper portion of the tank for fluidization in a downstream side, the dust hood collecting the fine powder in the tank for fluidization, wherein a fluidized bed (6) in the tank for fluidization has a plurality of inverted V-shaped covering members (13) and a plurality of V-shaped flooring members (14), wherein the inverted V-shaped covering members and the V-shaped flooring members are horizontally and alternately provided so that the inverted V-shaped covering members are at any point above a vertically corresponding point of the V-shaped flooring members, and wherein gaps between end portions of the inverted V-shaped covering members and end portions of the V-shaped flooring members are formed as inclined slits (15) for supplying air. | ||||||
| 58 | MOLDING SAND REGENERATION DEVICE | EP13831775 | 2013-05-09 | EP2851143A4 | 2016-01-13 | AOKI YUKINORI |
| To provide an apparatus for reclaiming foundry sand that has a fluidized bed that prevents slits from being clogged. The apparatus comprises a tank (3) for reclaiming the foundry sand, a tank (4) for fluidization, an upper portion of which in an upstream side is connected to a bottom of the tank for reclaiming the foundry sand, the tank for fluidization transporting the reclaimed foundry sand and fine powder that drop from the tank for reclaiming the foundry sand, a dust hood (5), and a lower portion of which communicates with an upper portion of the tank for fluidization in a downstream side, the dust hood collecting the fine powder in the tank for fluidization, wherein a fluidized bed (6) in the tank for fluidization has a plurality of inverted V-shaped covering members (13) and a plurality of V-shaped flooring members (14), wherein the inverted V-shaped covering members and the V-shaped flooring members are horizontally and alternately provided so that the inverted V-shaped covering members are at any point above a vertically corresponding point of the V-shaped flooring members, and wherein gaps between end portions of the inverted V-shaped covering members and end portions of the V-shaped flooring members are formed as inclined slits (15) for supplying air. | ||||||
| 59 | Molding sand reclaiming apparatus | EP99309780.7 | 1999-12-06 | EP1008405B1 | 2003-09-10 | Kondo, Toshio, c/o Nippon Chuzo Kabushiki Kaisha |
| 60 | Verfahren zum Regenerieren von Giesserei-Altsanden | EP94108072.3 | 1994-05-26 | EP0628367A3 | 1995-04-26 | Damm, Norbert, Ing.; Parr, Thomas, Dr.-Ing.; Wang, Tao, Dr.-Ing. |
Gießerei-Altsand wird chargenweise einem Reibapparat zum Lösen der Binderhülle vom Sandkorn zugeführt, mittels einer Fördereinrichtung aus dem Reibapparat (19) in ein Zwischengefäß mit einer Entstaubungseinrichtung abgezogen und zwischen diesem und dem Reibapparat mittels einer Fördereinrichtung mehrfach umgewälzt. Zur Optimierung der Prozeßführung werden die Verfahrensstufen "Reiben" (R), "Entstauben" (E) und "Umwälzen" (U) zu einem Steuermodul M zusammengefaßt und wird eine Mehrzahl von Steuermodulen M₁ bis Mn gebildet, die sich im prozentualen Anteil der Nennleistung der einzelnen Verfahrensstufen (R), (E) und (U) unterscheiden. Die Steuermodule M₁ bis Mn werden in einem Steuergerät gespeichert und es werden der Reibapparat, die Fördereinrichtung und die Entstaubungseinrichtung von dem Steuergerät mit einer entsprechend der Qualität des Altsandes ausgewählten Sequenz von Steuermodulen angesteuert. |
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