International Scientific Journals
of Scientific Technical Union of Mechanical Engineering "Industry 4.0"

The paper proposes a reconstruction of the distillation of caprolactam for more complete removal of water from the finished product, removing the droplet phase during the process in thin-film evaporators, will improve the final product performance by eliminating the inappropriate indicators alkali content and the optical density of the final product and to ensure its stable high quality. The relevance of the work presented directions for improving the process of production of caprolactam – raw ingredient for the preparation of polymeric materials used in various sectors of the economy. Describes the causes affecting the quality characteristics of the finished products produced from caprolactam. the implementation the liquid distributor and the centrifugal separator would reduce 5 – 6 times droplet entrainment to ensure complete removal of moisture from the final product, will reduce the alkali content in the final product, reduce the rate of optical density and thus bring trademark caprolactam by indicators «alkalinity» and «optical density» to the level of the highest quality product.

habits of coordinational polyhedras are considered as forms of nanocrystals. Habits for coordination polyhedra with numbers from 1 to 30 are given. It was analazide the cubic and hexagonal lattices. There are the next nanocrystals: primitive, cubic and intercentered and face-centered and diamond-like (all cubic) and hexagonal close packed.

A study was carried out of the reciprocal lattice of metal crystals with cells I and F – Brave type. The X-ray diffraction pattern gives hkl for the F – unit cell for even values, and for I – for h k l = 2n (n is an integer). Transformation centered lattice to P − Bravais types choose that other reflexes do not die but they are absent in reciprocal lattice with metallic crystals are absent.