Scientific Journal of KubSAU

Polythematic online scientific journal
of Kuban State Agrarian University
ISSN 1990-4665
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Belokur Kirill Alekseevich

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associated professor

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Kuban State Agrarian University

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Articles count: 3

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abstract 1151601053 issue 115 pp. 859 – 872 27.01.2016 ru 463
Original screw designs of buildings and columns are offered. Frameworks of these buildings and columns are the bearing elements and means of external and internal decoration of buildings and constructions. Originality of such buildings and columns frameworks is ensured by the fact that their design is decorated on the outer surface with broken or smooth screw edges and screw surfaces. Versatility of the offered screw columns trunks designs, as well as the possibility of performance of their left or right screwing allows reaching certain symmetry or their repeatability in the form of harmonious alternation of the bearing trunks of screw columns and spaces between them. Giving to numerous sides of trunks of screw columns of a certain invoice, or their coloring in different colors, will contribute even more to their expressiveness and beauty. Durability and vibration resistance (including seismic) of such trunks of screw columns at the same volumes of construction materials, in comparison with round and rectangular trunks is higher
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abstract 1151601064 issue 115 pp. 1023 – 1037 27.01.2016 ru 453
The article presents results of research of rotary-screw systems in relation to the creation of rotary kilns for the annealing of-cuttings in the preparation of cement clinker. Using the proposed design, in comparison with known designs of similar purpose, it significantly improves performance, reduces size and power consumption through the use of rotary screw systems in the form of screw rotors and drums made hollow with sidewalls assembled from separate strips or plates of different geometrical shapes with form inside the screw breaks or smooth edges, screw surfaces and screw grooves. It is shown that the housing of the rotary kiln is expedient to produce helical surfaces whose centers of curvature are located within the housing. Using the proposed constructions rotary kiln during the firing when preparing cement wedge can increase the speed of rotation of the housing, furnaces 5-10 times due to changes in the rotary-screw systems increase efficiency and reduce the size of furnaces
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abstract 1181604046 issue 118 pp. 794 – 804 29.04.2016 ru 461
We have provided technical solutions to improve performance of technological systems for the preparation of solutions and concrete based on the use of screw rotors in the form of drums with helix lines formed on the perimeter as interconnect lines of his spiral surfaces. We discuss the six varieties of devices and installations for mixing, including concrete mixers, reels which are of a complicated geometric body formed by helical surfaces with variable or constant pitch and which creates screw lines in the places of their connection. In the form of screw drums, they may be conical, concave, convex, cylindrical. The experimental test was conducted on the concrete mixer drums, which are arranged one in the other. The implementation of the mixer in the form of coaxially edited two barrels provides not only a reduction in size in length, but a significant reduction in energy consumption due to the use of heat, released during the activation process of inert heating of the concrete mix as when re-mixing and concrete mix when mixing it with water and transportation. The drums of such systems is made of flat elements with the formation of the helical lines discretely spaced around the perimeter of different pitch and with different numbers directed towards each other helical surfaces. In the process of transporting the components of concrete in the internal screw drum there is active mixture of sand, gravel and cement. Thus, there is not only the destruction of lumpy, sticky components of the raw materials, but also active uniform distribution of particles of cement, sand and gravel into a homogenous mass. The implementation of the proposed technology and equipment ensures not only reduction of the dimensions of the mixer length, but also improving the quality of finished products, as well as potential cement savings of 3-5%