• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    This invention relates to the separation of a particulate material (M) into several fractions. The goal is to increase the separation efficiency. The housing of the device is made of a frame 4 formed by two spaced one above the other with the possibility of adjusting the angle of inclination of sections rigidly connected to each other. In the lower part of the lower section, an air intake opening is made, and in the upper part of the upper section, a hood 10. end and a layered structure along the bottom table (HC) 3. In the cap 10 along the body there are dividing partitions, and between them there are adjustable dampers 12. Under the lower part of the sun 2 the sloping side of the sun 2 and na 3 is installed adjustable length. The angle of inclination of the bottom 24 is greater than the angle of inclination of the BC 2 and HC 3. The working surface of the BC 2 has a roughness less than the roughness of HC 3. The bottom 24 consists of sections 25, rotatable relative to the axis of symmetry, transverse to the direction of inclination of the bottom 24. The lateral walls 9 are installed at the end. Through the inlet 1 M enters the device and in the first zone BC 2 is divided into layers. C BC 2 is conjugated to exit 13 for the light fraction M, and from HC 3 to exit 14 for stones, exit 15 for the heavy fraction, and exit 16 for the medium mixed fraction. Each output is connected to an appropriate fraction receiver. In the middle between BC 2 and HC 3, along their length and the height of the gap between them, an inclined intermediate chute 26 is installed. It is transported with a stone rich in stones and the largest grains, M, which is fed through BC 2 in the first product-permeable zone to the stone outlet. 7 hp f-ly, 9 ill.
    公开号:SU1477237A3
    申请号:SU863999950
    申请日:1986-01-06
    公开日:1989-04-30
    发明作者:Мюллер Роман
    申请人:Гебрюдер Бюлер Аг (Фирма)；
    IPC主号:
    专利说明:

    one
    This invention relates to a device for dividing a granular material into several fractions.
    The aim of the invention is to increase the separation efficiency.
    1 shows the described device, a vertical section; figure 2 - lower vibration table, a partial cut-out from the horizontal
    projections; on fig.Z - section aa in figure 2; figure 4 - schematic representation of the material flow in the device; Figure 3 shows a detailed cut-out of the device; Figure 6 shows another embodiment of the device; Fig. 7 is a view corresponding to Fig. 1 of another embodiment of the device; Fig. 8 is an upper table for separating layers, a horizontal projection; FIG. H is a double version for high throughput.
    The device of FIG. 1) has an inlet G for a grain or bulk material, which is a feed supply unit of the raw material directly to the upper end of the upper inclined vibration table 2 for dividing into joints. Bottom vibrating table 3 for separating monty layers
    0
    five
    0
    in the case at a certain distance below the upper one with an inclination in the same direction in a common frame 4 formed by two spaced one above the other and rigidly connected sections. Both tables, together with frame 4, are driven into vibratory motion by the vibration exciter 5 of the lower section, for which they are mounted on the frame 8 by means of a spring 6 or a height-adjustable support plate 7. The vibration exciter oscillates the lower section of the body 3 obliquely. In addition, two side walls of part 9 are fastened on the frame 8, on which the hood of the upper section connected to the suction pipe is mounted, the cap is divided along the length of the body by vertical dividing walls into separate sections zones 11. Each zone 11 has an air-adjustable damper 12 that allows the cross section of the flow to be set individually for each zone. The upper vibrating table 2 has an outlet 13 for a light fraction of the material, while the lower vibrating table 3 has an interface 14 for camci and also an outlet 15
    for the heavy fraction and yield 16 for the average mixed fraction. Each output is communicated with its receiver fractions.5
    The upper vibration table has a smooth surface with a large number of small holes in zone (V), the upper surface of the table zone (V) is breathable, but not JQ permeable to the original material. Below the entire width of the zone are large holes 17, which can be replaced by a transverse slit passage over the entire width of the zone. In the adjacent zone A, which extends to the outlet of the light fraction of material (13), the surface of the table also has large (optionally medium) 20 openings 18 through which various fractions of the starting material can fall. It is important that the top table does not function as a sieve, since all the openings of the 25 seeding are larger than the largest particles of the material flow. Stratification is achieved by air flow. The entire bottom layer falls through the large holes, and the hole 30 can easily comprise from 20 to 50% of the entire table surface.
    The bottom vibration table has a working surface with a roughness greater than that of table 2, is pro-. impermeable to air and impermeable to scattering material. As shown in Figures 2 and 3, it has a bottom perforated partition 19 with openings 20, above which a grating with openings 2.1 is located. In the intermediate space between the perforated partitions 19 and 22, there are provided, in staggered order, partitions 23, which divide the cross section for the passage of air to rectangular ducts.
    To separate the mixed fraction, there is an intermediate bottom 24, sloping in the same direction as the tables, and installed under the lower part of the table 2. The bottom 24 allows to separate the medium weight grains from the material falling through the upper vibration table 3. The angle of the bottom 24 is greater than the angle of the tables. The bottom 24 consists of a certain number of sections 25, which extend from 55
    five
    Jq 15 0 5 0
    , Q

    five
    the longitudinal wall of the frame 4 to the other and installed in these longitudinal walls can be rotated around the longitudinal axis. The length ends at exit 16 of bottom 24 and, therefore, the quantitative fraction of the average weight in the crumbly material is determined by the number of rotatable sections 25 arranged in one plane.
    An important point is also the use of an inclined intermediate gutter 26 located in the middle between the tables along their length and the height of the gap between them, the slope and length of which can be adjusted. The chute 26 inclined towards the upper part of the table 3 transports a portion of material saturated with stones as well as the largest grains, which falls through the upper vibration table 2 in the first product-penetrated zone to exit 14 for stones.
    Lig.4 illustrates the principle of the device and the material flow arising in it. The material enters through the inlet 1 into the device and is divided into layers in the first zone of the upper vibration table 2. The stones are located at the bottom, the light bodies (including the chaff, small seeds, etc.) are on top, and the grains, depending on their weighing rate, are between them. In the present example, approximately in the middle zone, the lower layer is dropped through the large openings 17 to the inclined chute 26 and transported in the direction of the arrow 27 to the exit 14 for stones.
    In each case, the inclined chute 26 can be fed up to 60% of the material to the stone sorting table, and the amount can be adjusted by extending the rear end of the inclined chute 26. The transverse barrier 28 is preferably positioned so that it is located directly above the rear end of the inclined chute. 26. Barrier 28 at the same time is an obstacle to a heavy layer on the top table. Sowing on a sloping gutter 26 is labeled D or D. In the zone adjacent to zone D or D, the separation into layers of the lower mixed and upper most light fractions occurs again. From the mixed fraction at the beginning
    A specific (electoral) section can be taken out through section 25 installed in the open position directly onto the sorting table 3. Through the lower part of the sorting table to separate the stones, it is fed to exit 15 for a heavy grain fraction.
    From the upper table at the lower end of zone A, part of the material flow may also fall onto the intermediate bottom 24, which is formed by closed sections 25. The lightest fraction can be output at the exit from the upper vibration table 2.
    For the simplest cases, the inclined chute 26 and the intermediate bottom 24 can be made from one part, i.e. without the possibility of intermediate sifting on the sorting table for the separation of stones. In this case, these elements form together a roof with a slope in both directions.
    Of particular interest is the possibility of dual control of the exhaust system during operation of the device.
    On the one hand, with the help of
    one to the other and (with the help of the vibration support 7) with an inclination relative to the horizontal plane at an angle of 5 to 10 ° (angle 29). The vibration of the vibration drive is directed to the plane of the vibration tables 2 and 3 at an angle of 25 - 45 angle 30), and the plane of the bottom 24 or the inclined chute 26 is with the vibration tables 2 and
    3
    .about
    angle 5-40 (angle 31) or 0 - 65 (angle 32), respectively. When operating the device, the lower vibration table 3 is set in such a way that its inclination is most favorable for separating the stones through exit 14. As a rule, the inclination of the upper vibration table 2 (since both tables are rigidly connected to one another by means of frame 4 ) to separate the remaining fractions, it should be smaller. Due to the possibility of adjusting the length of the bottom 24, in particular, with significant
    5 differences in throughput to increase or decrease the quantity of the mixed fraction discharged through the outlet 16 by changing the loading of the 16-degree grain fraction discharged through the outlet
    design of the lower vibration. Due to the inclination of the bottom 24, the material falling on it, despite the opposite direction of the vibration of the vibration actuator 5, can flow freely to exit 16.
    35 As shown in FIG. 46, the bottom 24 may be stepped, and in the step zone the intake air may pass from the lower vibration table to separate
    40 layers to the top that facilitates
    uniform air flow through them; the light fraction itself (husk, chaff, etc.) is carried out at the gathering of the upper table 2 through exit 13.
    The upper end of the inclined chute 26 is located under the zone D adjacent directly to the pre-separation zone into layers of the upper vibration table 2 t through which almost all the stones fall down so as to divert them into the middle zone of the lower table 3, if possible. 4 with the possibility
    55 shift in the longitudinal direction so that its upper end is placed. at a greater or lesser distance from the end of the pre-separation zone into layers of the upper vibratory
    Table 3 achieves uniform ventilation of the entire table surface through the air intake opening in the lower part of the lower section, regardless of the thickness of the grain material layer. When the upper vibrating table 2 is functioning for ventilation of the zones that follow from left to right for dividing the product into layers, dumping stones and a heavy grain fraction, as well as for dividing into medium and light materials, the appropriate amount of air is required all the time, which can be adjusted using dampers 12.
    Along with the possibility of controlling the air and, accordingly, the product, an important advantage is the ability to control the material by tilting the chute 26 and the bottom 24. Both of these built-in elements provide very precise control and, if necessary, precise adjustment of the product flows.
    In FIG. 5, the bottom 24 and the inclined chute 24 are shown in an enlarged view. Both vibrating tables 2 and 3 can be installed in parallel
    45
    50
    table 2. Thus, using the inclined chute 26, it is possible to catch almost all the stones and transfer them to the lower vibration table 3 for final separation.
    In Fig. 7, the positions denote the same equivalent parts as in Fig. 1, therefore, their repeated description can be refused.
    In the area of the large holes 17 on the upper vibration table 2, a transverse-oriented barrier 28 is positioned. Depending on the product passage and the location of the upper catching end of the groove 26, the barrier 28 can also be movably mounted. Zone V for pre-separation of the material into layers in this example is approximately the same length as zone A for the separation of light or mixed fractions.
    The lower vibration table for separating the layers 3 has a part of the bottom 33 not blown by air in the form of a trough-shaped depression under the bottom 24, which performs several functions: first, discharge from zone A along the inclined chute 26 directly onto the lower vibration table 3 parts of the heavy fraction contributes to the development of the process of separation of layers on the lower vibration table 3, since congestion cannot occur in this place; Another function of the unit is that all the air enters through the part of the lower vibration table 3, in which air is actually needed} air enters only where it should perform the work.
    The upper vibration table (Fig. 8) has a rectangular shape in the first zone. The outlet zone A adjacent to it is narrowed by means of the pivotal side walls 34 to form a wedge constriction, whereby the separation into layers during successive sieving of the material is maintained until the end of zone A.
    The described device is suitable for separating heavy parts, such as glass fragments, small metal parts, stones, as well as heavy, broken, stunted, light grains, small seeds, debris, etc. from the grain. In addition, it can be used to remove heavy particles and light
    0
    five
    0
    five
    0
    five
    0
    five
    0
    five
    materials from crushed, in particular ready, dried compost, since the material is loose. The focus is on three fractions: heavy (stones, fragments, glass, small metal parts) and light (small pieces of synthetic materials), as well as the bulk of good compost.
    权利要求:
    Claims (7)
    [1]
    1. A device for dividing grains into several fractions, comprising a housing of two sections located one above the other with the possibility of adjusting the angle of inclination of sections with an air intake opening in the lower part of the section and a hood to the upper part of the upper section, rigidly mounted in the upper and lower sections body sections sloping in one direction, air-permeable tables with a material-permeable part: the upper table below its upper end and a layered structure along the thickness of the lower table, dividing partitions , vertically installed in the hood along the length of the body, adjustable dampers installed between the dividing walls, intermediate bottom installed under the lower part of the upper table with a slope in the direction of the inclination of the tables, feed material supply unit to the upper end of the upper table, receivers of fractions at the landing the lower ends of the tables and the bottom and the upper edge of the lower table, the intermediate chute of adjustable length and position, installed midway between the tables along their length and the height of the gap between them, is inclined to the upper edge of the lower table, pivoting side walls mounted above the material-permeable part of the upper table with the formation of a wedge taper to its lower end, the vibration exciter of the lower body section in a direction inclined towards the table towards its upper edge, characterized in that increase the efficiency of separation; sections of the body are rigidly interconnected; the intermediate bottom is inclined at an angle greater than the angle of inclination of the tables, and the working surface of the upper table has a roughness less rough; spine lower table.
    [2]
    2. The device according to claim 1, wherein the intermediate bottom is of adjustable length.
    [3]
    3. The arrangement according to claim 1, that is, that the angle of inclination of the tables to the horizontal is 5-10 °, and that of the intermediate bottom is 25-40 °.
    [4]
    4. The device according to claims 1 to 3, the other bottom is made sectional in length, wherein each section of the bottom is installed with the possibility of rotation relative to its axis of symmetry transverse to the direction of inclination of this bottom.
    [5]
    5. The device according to claims 1 and 4, about t - Lichagoshees the fact that the sections are located with a touch of each other in
    position of installation in the same plane.
    [6]
    6. The device according to PP, 1,4,5, characterized in that the bottom sections are arranged in ledges along the length with the formation of air in the steps.
    [7]
    7. The device according to claims 1-6, and t is that the lower table
    made with a trough-shaped recess under the intermediate bottom, communicated with the receivers of the fractions at the descent from the lower edge of this stode. 58. The device according to claim 1, characterized in that it is provided with a barrier mounted transversely on the material-permeable part of the upper table.
    AND
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    同族专利:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH224084|1984-05-08|
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