 | SMOKE BEFORE AND DURING THE INJECTION | |
 Chimney before injection |  Chimney during injection |
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 | INJECTION OPTIMIZATION | |
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Figure n°1
Chimney before injection.
The smoke count is normal.
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Figure n°2
Chimney during injection.
The intensity of the smoke is maximal.
Injection is optimal.
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Figure n°3
Chimney during injection.
Smoke of average intensity.
Injection is not right.
Checking the injection is necessary.
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