Development of the Plasma Candle System for Destroying Needles
Keywords:
Plasma, Plasma candle system, Destroying needlesAbstract
This research is the development of a plasma candle flame system for destroying hypodermic needles and studying the factors affecting the destruction of 18 G, 21 G, 24 G, and 27 G needles. The system uses a high-frequency Tesla coil connected to an outer electrode to produce a plasma flame. This research uses an input voltage of 24 V, 36 V, and 48 V, respectively, to incinerate 1 and 2 needles, and the duration time for destroying the needle is controlled to be 30 seconds. According to experimental results, the signal of the electric current of the outer electrode is a sine wave signal with a frequency of
16 MHz. Temperatures measured from incinerating the needles increased to 800 degrees Celsius. In the incineration of 1 and 2 needles, it was found that the remaining length of the needle decreased due to increasing the input voltage. The average length of 27 G needles is the least, and the average length of 18 G needles is the greatest. From incinerating 2 needles, the average length of the needles is greater than the average length of the needle from incinerating 1 needle. In conclusion, the developed plasma candle flame system can destroy hypodermic needles and can be developed into an innovative incinerator for destroying needles or other types of infectious waste.
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