| 摘要 |
PURPOSE:To automate control over dust coal by picking up an image of flames of flames of the dust coal through an image pickup camera and calculating the shape and brightness of a volatile component combustion area from the difference in brightness distribution between an oxidation area and a reduction area. CONSTITUTION:The brightness distribution 1A of the oxidation area 1 at constant distance from the center line B-B' of flames is measured along a line A-A'. There is the volatile component combustion area 2 present near a burner opening part, so the brightness distribution 1A is the sum of the brightness of the oxidation area and the brightness of the volatile component combustion area. Then, a brightness distribution 1B on a center line B-B' is measured to obtain the brightness distribution of the reduction area 3. Then, the brightness distribution of only an oxidation area near the burner opening part is estimated from the brightness distribution 1B. Then, the difference between the brightness distribution 1A and estimated brightness distribution is calculated to obtain the brightness distribution of only the volatile component combustion area 2. |
