Dispersion characteristics of the plug flow hazardous waste by multiple gas jets

Figures & data

Figure 1. Hazardous waste.

Figure 2. Distillation residues and sludge.

Table 1. Calorific value and chemical element test results.

Sludge mass fraction（%）	Calorific value(MJ/kg)	SO3（%）	K2O（%）	Na2O（%）	Cl-（%）
30	28.515	0.16	0.03	0.05	0.033
35	28.012	0.16	0.04	0.05	0.067
40	27.18	0.17	0.05	0.05	0.205
45	26.532	0.17	0.05	0.06	0.196

Figure 3. Slump detection.

Table 2. Slump results.

Sludge mass (%)	30	35	40	45
Distillation residues mass (%)	70	65	60	55
Slump (mm)	230	150	100	65
Diameter (mm)	400	300	280	230
Conclusion	Large-fluidity material	Fluidity material	Fluidity material	Plastic material

Figure 4. Spray gun dispersion characteristic test system.

Figure 5. Structure of spray gun outlet.

Table 3. Parameters of orthogonal experiment.

Pushing speed v (mm/s)	Distance d (mm)	Nozzle system i
33	80	2
48	160	3
71	240	5
88
105

Figure 6. V-shape experimental site.

Figure 7. The actual area distribution.

Figure 8. Areas distribution with different nozzle systems at the same distance and pushing speed.

Figure 9. Parameter variation of free turbulent jet.

Figure 10. Areas distribution with different distances at i = 3 and v = 71 mm/s.

Figure 11. Gas jets at i = 3.

Figure 12. Area distribution with different speeds at i = 3 and d = 80 mm.

Figure 13. Particle size at d = 80 mm, i = 2, v = 105 mm/s.

Figure 14. Mass distribution with different nozzle systems.

Figure 15. Mass distribution with different nozzle systems.

Figure 16. Particle distribution.

Figure 17. Mass distribution at different distances.

Figure 18. Mass distribution at different pushing speeds.

Figure 19. Area density distribution at different speeds.

Data availability statement

The data that support the findings of this study are available from the corresponding author upon reasonable request.