Burner design for particle generation

A burner system, comprising:

• a primary burner positioned within a primary particle tube, the primary burner configured to produce a first plurality of particles;
• a secondary burner positioned within a secondary particle tube, the secondary burner configured to produce a second plurality of particles, wherein the secondary particle tube is positioned on the primary particle tube, and the primary particle tube and the secondary particle tube are fluidly connected such that the first plurality of particles and the second plurality of particles are mixed;
• and
• a bag house configured to collect the first and second plurality of particles.