SU1217496A1 - Grain cleaning sorter - Google Patents

Description

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The invention relates to the separation of bulk materials, namely, seeds of agricultural crops by specific gravity, and can be used in agriculture, and mill and large industrial and other industries of the national economy.

The purpose of the blade is to improve the quality of separation by smoothly adjusting the separator depending on the content of the heavy fraction in the starting material.

Figure 1 shows the structural scheme of the machine, the section; 2, a hollow cone-shaped separator with scrapers attached to it; FIG. 3 is a diagram of the movement of the heavy and light fraction during separation.

The machine has a vertical cylindrical non-perforated rotor 4 with ripper 5 on the inner surface and a vertical shaft 6 rotated from the pulley 2 and oscillating; in the housing 1, rotates from the pulley 2; in the upper part of the rotor 4 there is a rotating spreader 7, and at the bottom, a hollow cone-shaped separator 8 with external 9 and internal ones is movable relative to the cylindrical rotor along its axis. 10 scrapers. To collect heavy and light fractions, trays 11 and 12, respectively, are installed,

Grain cleaning-sorting machine works as follows.

The initial grain mixture from the spreader 7 is delivered to the inner surface of the rotor 4. Under the influence of centrifugal forces, gravity and oscillatory effects from the rotor with the ripper 5, there is an intensive redistribution of seeds by weight and moving the mixture down In the process of moving the grain the mixture is self-sorted into heavy and

light fraction. Approaching the hollow cone-shaped separator 8 tons, the fraction passes into the annular gap between it, the rotor 4 and the outer scraper 9 is thrown into tray 11, the light fraction is cut off more heavy, accumulates and, skirting the separator 8 from the top, through: its upper neck (FIG. 3) enters the annular funnel (not shown) and is discharged by internal scrapers 10 into the tray 12. When the content of the heavy fraction in the mixture is low, the separator 8 is moved up the shaft

15 6, which is achieved, for example, by fitting it onto a thread on it (Fig. 1). In this case, the gap between the cylindrical rotor 4 and the cone-shaped separator 8 is reduced. By setting the gap equal to the thickness of the thick fraction, its high-quality separation is achieved. Moving the separator 8 on the shaft 6 up or down you can find the boundary of the separation

25 fractions of various mixtures with different percentages, t, e, to achieve release into the gap between the rotor 4 and the separator 8 only the heavy fraction,

30 Installing the separator with the ability to move up and down, i.e., along the vertical axis, allows it to be smoothly adjusted to any content of the heavy fraction.

, - in a mixture. The light fraction, easily bending around the top of the separator, moves through its upper neck and is separated from the heavy one. The positive aspect of this is that the light fraction, as it were, goes away with the heavy. This eliminates the capture of the boundary grains of another fraction, which occurs when the ring is cut. Here, the captured boundary grains can

 return through the layer to your fraction.

The use of a grain-sorting machine improves the quality of the separation of grain mixtures.

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Editor N. Volovik

Compiled by O. Popov

Tehred A. Babinets Proofreader E. Sirohman

Order 1032/12 Circulation 566Subscription

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Branch PIP Patent, Uzhgorod, Proektna St., 4

Claims (1)

GRAIN-CLEANING AND SORTING MACHINE, including a cylindrical rotor oscillating around and along the vertical axis with spike-rippers on the inner surface, a scattering disc, a separation device in the form of a hollow truncated cone, facing a smaller base towards the cylindrical rotor and coaxial with it, loading pipe, discharge trays, discharge trays characterized in that, in order to improve the quality of separation due to the smooth adjustment of the separation device depending on the content in the source material of the heavy fraction, the separation device is installed with the possibility of movement relative to the cylindrical rotor along its axis.