| 摘要 |
PURPOSE: A sand sterilization method of a children playground is provided to eradicate by using heat. CONSTITUTION: A sand sterilization method of a children playground comprises the next process: forming a sub-foundation(10) of a sand playground; forming more than one of drains(11) which is combined and constructed with the sub-foundation; forming an insulating material(12) which is combined and constructed with the drains; Forming a heating wire of a sand sterilizer which is combined and constructed with the insulating material; forming mortar(13) which is combined and constructed with the heating wire; and combining the mortar with sand. The sand sterilizer forms the heating wire and a first concatenated code which is combined and constructed with the heating wire.
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