Technology of Obtaining Pellets from Canola Seed Using a Two-Stage Cascading Vaporcompression Heat Pump
https://doi.org/10.36107/spfp.2020.390
Abstract
The need for rational and integrated use of energy resources and the implementation of solutions to save them is determined by a decrease in the energy intensity of technological processes, which can be provided by replacing non-renewable energy resources with renewable energy sources using heat pump technologies. An energy-saving technology for producing pellets from oilseed cake using a two-stage steam compression heat pump to obtain energy carriers of different temperature potentials, which reduces specific energy consumption due to maximum recovery and disposal of waste heat carriers in closed thermodynamic cycles, was developed in the article. The heat exchange process occurs in two circuits: in the recirculation circuit of a low-grade heat carrier, including the supply of cooled air from the evaporator to the air coolers; in the recirculation circuit of the high-potential heat carrier, including the supply of superheated steam from the second-stage condenser to the screw extruder and recuperative heat exchangers, a tumble dryer and decanter, and a ten-tank toaster; evaporators; oilseed meal trap; vacuum apparatus. An exergy analysis was performed for each of the two recirculation circuits, and the functional dependences of the exergy flows exiting the technological equipment in question on the acting variables were obtained. Feed pellets from rapeseed, obtained with minimal energy consumption meet the requirements of National Standard 23513–79. The proposed technology for producing pellets from rapeseed allowed to reduce specific energy consumption by 12–15%; increase environmental safety at all stages of the technological process, minimize the emission of waste heat carriers into the atmosphere.
About the Authors
A. Ostrikov
Voronezh state University of engineering technologies
Russian Federation
Russian Federation
Alexander N. Ostrikov
19, Prospect Revolution, Voronezh, 394036
A. Shevtsov
Federal State Official Military Educational Institution of Higher Education «Military Educational and Scientific Centre of the Air Force N.E. Zhukovsky and Y.A. Gagarin Air Force Academy»
Russian Federation
Russian Federation
Alexander A. Shevtsov
54 «A», Starykh Bolshevikov St., Voronezh, 394064
T. Tertychnaya
Voronezh State Agrarian University named after Emperor Peter the Great
Russian Federation
Russian Federation
Tatyana N. Tertychnaya
1, Michurin St., Voronezh, 394087
N. Serdyukova
Federal State Official Military Educational Institution of Higher Education «Military Educational and Scientific Centre of the Air Force N.E. Zhukovsky and Y.A. Gagarin Air Force Academy»
Russian Federation
Russian Federation
Natalya A. Serdyukova
54 «A», Starykh Bolshevikov St., Voronezh, 394064
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Review
For citations:
Ostrikov A., Shevtsov A., Tertychnaya T., Serdyukova N. Technology of Obtaining Pellets from Canola Seed Using a Two-Stage Cascading Vaporcompression Heat Pump. Storage and Processing of Farm Products. 2020;(4):22-33. (In Russ.) https://doi.org/10.36107/spfp.2020.390
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