Comparative analysis of the working bodies of the vibrating mixer of bulk feed

Alexander N. Yatsunov , Uahit K. Sabiev

Tractors and Agricultural Machinery ›› 2022, Vol. 89 ›› Issue (5) : 367 -374.

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Tractors and Agricultural Machinery ›› 2022, Vol. 89 ›› Issue (5) :367 -374. DOI: 10.17816/0321-4443-109666
Economics, organization and technology of production
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Comparative analysis of the working bodies of the vibrating mixer of bulk feed

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Abstract

BACKGROUND: The paper is devoted to the preparation of highly homogeneous bulk feed mixtures. It is known that the efficiency of the mixing process increases significantly when vibra-tion is applied, while reducing the time to achieve maximum uniformity of the mixture and reduc-ing the energy costs of mixing. In some cases, vibration can only intensify the main process, and in others it can cause specific vibration effects that are used for mixing.

AIMS: Increasing the homogeneity of the mixture due to vibration effects.

METHODS: A laboratory-experimental vibrating mixer of continuous bulk feed has been de-veloped for conducting research. Its general structure and principle of operation are considered, the influence of design features of replaceable working bodies on the quality of the mixing pro-cess is analyzed.

RESULTS: Comparative analysis has shown that mixing elements with complex vibration con-tact surfaces provide a sufficiently high quality of the resulting mixture, but the mixer perfor-mance is relatively low. To increase productivity while maintaining consistently high quality, flat working bodies with holes in the form of isosceles triangles are proposed. During the studies of their work, a decrease in the uniformity of the resulting mixture was revealed, therefore, it is pro-posed to install concave or curved triangular plates under the holes. This technical solution allows us to obtain the quality of the feed mixture that meets the requirements without reducing produc-tivity.

An additional way to intensify the mixing process, regardless of the type of working bodies, is the hinge fastening of the mixing elements. In addition, using a special mechanism, it is possi-ble to change the speed of mass movement inside the vibrating trough and, accordingly, the per-formance of the entire installation as a whole and the mixing intensity.

CONCLUSIONS: All types of mixing elements have been successfully tested. The laboratory-experimental vibrating mixer has passed the production test as part of a small-sized feed unit.

The article describes the history of the development and creation of the first domestic neutralizers of exhaust gases of internal combustion engines, which began with testing and research of foreign neutralizers. Sequential stages of design, study and testing of domestic converters for gasoline and diesel engines are considered. There are described the following processes: the process of developing methods for testing engines for toxicity and the process of creating estimated indicators and developing normative and technical documents in the field of toxicity of engines and vehicles.

Keywords

mixing process / vibrating mixer / mixing element / triangular plate / vibration contact surface

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Alexander N. Yatsunov, Uahit K. Sabiev. Comparative analysis of the working bodies of the vibrating mixer of bulk feed. Tractors and Agricultural Machinery, 2022, 89(5): 367-374 DOI:10.17816/0321-4443-109666

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