THE INVESTIGATION OF THE SPEED OF EMULSION FLOW IN CIRCULATING REACTORS

In a circulating reactor the emulsion traversing is provided by means of a disk injection nozzle in the process of diesel biofuel generation. In the process of emulsion floating through the disk injection nozzle is formed a turbulent stream which provides a necessary efficiency of emulsion traversing within the fixed height. But to determine the rational values of geometric and technical parameters of the circulating reactors it is necessary to conduct an experimental investigation of changes of the emulsion flow speed. That is why the goal of the research is to determine the speed of the emulsion flow depending on the discharge of the hydro-station pump and the gap clearance between the disks of the injection nozzle. To determine the speed of the emulsion flow in the circulating reactors, which are fitted with a disk injection nozzle, an experimental machine was developed. The experimental machine consisted of a disk injection nozzle, service capacity, hydro-station for emulsion pumping, frequency converter for changing the rotation frequency of a hydro-pump, digital analyzer of the parameters of energy consumption, tachometer for measuring the rotation frequency of the pump shaft. During the experiment, the gap clearance between the disks of the injection nozzle and the rotation frequency of the pump were changed, the speed of the emulsion flow was measured. The analysis of the experimental data of a disk injection nozzle made it possible to determine the dependence of speed changes in the emulsion flow on the flow length depending on the gap clearance between the disks of the injection nozzle under various values of discharge of the hydro-station pump. As follows from the experiment, a set of equations which describe the speed dynamic in the emulsion flow has been found. Knowing the speed of the emulsion flow, both the character of the liquid traversing and the rational length of the emulsion flow can be determined. Knowing the rational length of the emulsion flow, the efficient diameters of a disk injection nozzle and of circulating reactor can be chosen