1 HX410 Dust Suppression Unit Sandvik. 2 Gravimetric Sampling Initial set up; -Gravimetric sampling pumps were set up on arrival on site as the HX410.

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Presentation transcript:

1 HX410 Dust Suppression Unit Sandvik

2 Gravimetric Sampling Initial set up; -Gravimetric sampling pumps were set up on arrival on site as the HX410 was already operational. -1 pump at the tail end of the unit. -1 pump 12’ up the conveyor from the unit. -Total of 4 samples were taken; -2 samples while the unit was operational. -2 while the unit was turned off. 2

3 HX410 While unit was operational; Pump run time;10 min Assay Results; Total Dust0.3 mg/m 3 Total quartz0.06 mg/m 3

4 While unit was operational; Pump run time;10 min Assay Results; Total Dust0.32 mg/m 3 Total quartz0.06 mg/m 3

5 Insert title here Title 1 Title 2 Title 3 Title 4 10 minutes after the unit was turned off! Pump #1Pump #1 While unit was turned off; Pump run time;10 min Assay Results; Total Dust1.53 mg/m 3 Total quartz0.35 mg/m 3

6 Click to add text While unit was turned off; Pump run time;10 min Assay Results; Total Dust2.69 mg/m 3 Total quartz0.52 mg/m 3 Pump, I think! 10 minutes after the unit was turned off! 12’ up the conveyor

7 TITLE min after unit was turned off Pump #1Pump #1

8 TITLE Seconds after unit was turned on again

9 TITLE Seconds after unit was turned on again

10 Insert text here Additional dust generating issues Approx 10’ drop to the belt Dust falling through the grating

11 Insert text here Maintenance; Electrodes are to be wiped down on a weekly basis

12 TITLE 1 TITLE 2 TITLE 3 TITLE 4 TITLE 5 INSERT CONTENT Maintenance; Skirting must be adjusted on a regular basis 1-2 x per week

13 Comparison Stationary samples were taken in relatively the same locations on # 3 conveyor belt in the Secondary crusher, at the Dome mine. Samples collected in the Secondary were for a period of 10 minutes. The Scrubber system was operational, however a maintenance personnel had indicated that it wasn’t functioning properly. (most likely plugged)

14 Summary Site 1 Dome # 3 Belt While unit was operational; Pump run time;10 min Assay Results; Total Dust0.3 mg/m 3 Total quartz0.06 mg/m 3 While Scrubber was operational; Pump run time;10 min Assay Results; Total Dust 0.9 mg/m 3 Total quartz 0.24 mg/m 3 Comparables

15 While unit was operational; Pump run time;10 min Assay Results; Total Dust0.32 mg/m 3 Total quartz0.06 mg/m 3 While Scrubber was operational; Pump run time;10 min Assay Results; Total Dust0.16 mg/m 3 Total quartz0.05 mg/m 3

16 Summary Sample Run time (Min) Total DustTotal Quartz % of OEL / Run Time Unit Running HX % Unit Off HX % Average Secondary Results (YTD) % Possibilities through comparisson %

17 Advantages of the HX410 Dust suppression ratio >90% Modular construction Extremely low energy consumption < 500W No wear parts No filters Low maintenance costs (No specialized equipment or training necessary) No change of material properties

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19 As the material passes through the HX410, the dust particles are electrostatically charged and captured on the hood. A vibrator installed on the hood will activate periodically to remove the built up material.

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