Method for continuously removing pulverulent of lump material from cylindrical hopper
专利摘要:
1441638 Mixing particulate material A AHLSTROM OSAKEYHTIO 19 Oct 1973 [19 Oct 1972] 48785/73 Heading B1C In a method of mixing and removal of particulate material from a cylindrical silo, the material constituents are supplied to and reformed in layered form 4 in the silo and is removed therefrom, at a level below that at which it is fed in, over substantially the whole width of the silo so that its. sinking rate in the silo varies across the radius of the silo to cause the layers of material to become inclined to the vertical and the material is simultaneously withdrawn from the inclined layers in a controlled manner by way of means extending across the layers. To obtain the mixing and removal action the bottom of the silo may be provided with a plurality of radially extending valleys each of which has a rotatable radially extending depending unit 9 extending across the inclined material layers and discharges the layered material into a screw conveyor 2 where mixing is effected, the mixed material being discharged at an outlet 1 in the silo bottom. The valley regions in the silo bottom are formed by an overlapping plate configuration 12 (Fig. 3) there being located between each plate juncture a conduit 14 with nozzles for the passage of compressed air to fluidise the material in the valley regions. In an alternative embodiment the material is fed to discharge by compressed air. In the embodiment shown in Figs. 7 and 8 the silo bottom consists of a plurality of funnels 25 which are arranged in a radiating configuration from the vertical axis of the silo each funnel being provided with a feed screw conveyor 26 which discharge the material into a corresponding radially extending channel, these outlet channels may be provided with screw conveyors. 公开号:SU1036244A3 申请号:SU731966971 申请日:1973-10-16 公开日:1983-08-15 发明作者:Аарне Куллерво Туомаала Ерма;Мирин Бертел 申请人:А.Альстрем Осакейхтие (Фирма); IPC主号:
专利说明:
The invention relates to a continuous blending method - kpc removing a powdered or crushed mold and can be used, for example, in cement progresses. There is a known method for the continuous removal of powdered or lump material from a cylindrical bunker, which includes the layering of the material and the mixing of different layers of material with each other; The removal of material is a keke bunkea L1 J. The disadvantages of this method are poor mixing and non-uniformity of the exiting material. The purpose of the invention is to increase the homogeneity of the exiting material. This goal is achieved by the fact that, according to the method of continuous removal of powdered or lumpy material from a cylindrical bunker, including layering the material and mixing different layers of material with each other by removing material from the bunker, the material layers are tilted in the vertical direction. and remove material from the inclined layers, controlling the process along the line of the lines passing through the submersible bed, and the rate of attendance of the material increases in the direction of the central vertical axis of the bunker but. In this case, an equal amount of material is removed from each inclined layer, and the sedimentation rate of the layers in the buffer is regulated in this way, it is inversely proportional to the distance of each layer from the point of material removal from the hopper. iia FIG. 1 shows schematically the placement of layers of material in a silo at different times in FIG. 2 shows a device for implementing the proposed method, shown in FIG. 3, and the same, with the image of the bottom part of the bunker; FIG. T - section A-D in FIG. 3; in fig. 5 j / structure, top view. The device contains a hopper 1, screw conveyors 2, feeding material to the bell 3, located in the center of the bunker 1. A chute 4 is located around the screw conveyor 2. Into some elements 5 and 6 of the chute 4 times the supporting pads 7 and 8 of the screw conveyor | 2. Screw conveyor er 2 has a drive engine 9. A radial device 10 is installed on the screw conveyor, and the automatic feed cut-off is provided in the co-ax. The dispenser 10 is connected to the drive motor 9 via gear wheels 11 and 12. The dispenser 10 overlaps the windows made in the bottom of the V-shaped groove, which is parallel to the radius and contains gystates 13 arranged in steps relative to each other over the screw conveyor 2 The bottom of the bunker 1 is formed by adjacent V-shaped grooves, which near the center of the bunker 1 are connected to the pyramidal central element 14. The displacement of the plates relative to each other is done That between them could accommodate perforated tube 15 for supplying compressed air. The tube 15 is supplied with compressed air, which provides fluidization of the layer of material and thereby creates conditions for moving the material towards the dispenser located in the bottom. When the material is removed from the hopper 1 by rotating the dispenser 10, a new piece of material is fed from above, Curve 16 shows how the material settles down towards the center of the bunker 1. The combination of several different compositions of materials occurs during their removal, due to the fact that the base area of the layers to be cut increases with increasing rales, while the height of the layers to be removed decreases as a function of their radius. The portions of the material removed from each layer are approximately equal in size. In this case, the composition of the output stream is approximately average between the compositions of the cut layers. When the removal is carried out from the bottom of the bunker in the horizontal direction, the most optimal sedimentation rate of the material down W (r) B in the vertical bunker is determined by the formula -1-2 (,) g ivie G is the mass flow of material passing through the bunker; g and g are the radii of the levels between which the removal occurs; g - bunker radius. When material is removed from the hopper with this velocity distribution, mixing is also provided, during which the quality of the material is equalized, in which case it is carried out more efficiently than in the case where the mixing occurs in a suspended state in the same space of the bunker. The proposed method is characterized by a higher mixing efficiency than the known, with the same bunker volume, the absence of an upper limit imposed on the bunker volume, and low power consumption.
权利要求:
Claims (3) [1] 1. METHOD OF CONTINUOUS REMOVAL OF A POWDER OR BULK MATERIAL FROM A CYLINDRICAL HOPPER, including layer-by-layer feeding of material and mixing of different layers of material with each other by removing material from the hopper, which tilts the layers of material into vertical direction and remove material from inclined layers, controlling the process along a line or lines running across the layers, and the settling rate of the material is increased in the center direction the vertical axis of the hopper. [2] 2. The method according to π. 1, characterized in that an equal amount of material is removed from each inclined layer. [3] 3. The method according to PP. 1 to 2, characterized in that the sedimentation rate of the layers in the hopper is regulated so that it is inversely proportional to the distance of each layer from the point of removal of material from the hopper.
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同族专利:
公开号 | 公开日 DE2351462A1|1974-05-02| FI57702C|1980-10-10| JPS5226824B2|1977-07-16| DE2351462B2|1980-10-09| SE389083C|1976-10-25| DK139934C|1979-10-22| CA999848A|1976-11-16| DK139934B|1979-05-21| IT996816B|1975-12-10| SU776551A3|1980-10-30| NO140263B|1979-04-23| GB1441638A|1976-07-07| JPS4973758A|1974-07-16| US3945615A|1976-03-23| FI57702B|1980-06-30| NO140263C|1979-08-01| FR2203668A1|1974-05-17| FR2203668B1|1976-10-01| BR7307939D0|1974-06-27|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题 US1720112A|1928-04-05|1929-07-09|Allen & Garcia Co|Automatic mixing bin| US2292897A|1940-02-13|1942-08-11|Smidth & Co As F L|Method and apparatus for mixing| US2401913A|1943-10-18|1946-06-11|Western Precipitation Corp|Material dispensing hopper| US3166300A|1962-04-16|1965-01-19|Kamyr Ab|Storage container for cellulosic pulp and method of operation thereof| FR1453134A|1965-11-09|1966-04-15|Silo| US3563399B1|1967-05-15|1986-08-12| US3570817A|1968-11-14|1971-03-16|Fipps Inc|Blending machine| US3557979A|1968-11-20|1971-01-26|Warren Gene Zortman|Grain drying bin|JPS575749B2|1978-09-11|1982-02-01| DE3101432A1|1981-01-17|1982-09-02|Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck|Mechanically supported fluidised bed for caking or not readily fluidisable bulk materials| DE3238224C2|1982-10-15|1992-05-21|Ibau Hamburg Ingenieurgesellschaft Industriebau Mbh, 2000 Hamburg, De| FI833146A|1983-09-02|1985-03-03|Maanmiehen Saehkoe Oy|DOSERANDE LOSSNINGSANORDNING FOER FAST MATERIAL.| JPS61173589A|1985-01-28|1986-08-05|Shinko Kaiun Kk|Method and device for video recording of video tape| DE3836215A1|1988-10-24|1990-04-26|Krupp Polysius Ag|Large silo container| DE102004041375A1|2004-03-24|2005-10-13|Coperion Waeschle Gmbh & Co. Kg|Device for controlling the temperature of bulk material|
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申请号 | 申请日 | 专利标题 FI2900/72A|FI57702C|1972-10-19|1972-10-19|FREQUENCY REQUIREMENTS FOR CONTAINER CONSTRUCTION REQUIREMENTS FOR PULL FORMULATION ELLER STYCKEFORMIGT MATERIAL FRAON EN BEHAOLLARE| 相关专利
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