| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an asbestos treatment method in an elevator shaft capable of performing asbestos containment treatment in a short time for preventing the asbestos from becoming dust by spraying a chemical liquid against an asbestos surface in the elevator shaft. <P>SOLUTION: An asbestos treatment method in an elevator shaft includes the following steps of: installing a nozzle bearing member 16 standing upward from an elevator cage 11; installing a plurality of horizontal beams 17 with base ends supported separated from each other in the height direction of the nozzle bearing member 16 and extending toward an asbestos structure; installing a nozzle 15 capable of spraying a chemical liquid by supplying high-pressure air to an overhanging end of each horizontal beam 17; installing chemical liquid supply means 18 for supplying a chemical liquid to the nozzle 15 and high-pressure air supply means 19 for supplying high-pressure air to the nozzle 15; making the elevator cage 11 and the elevator shaft 12 into a sealed state and spraying the chemical liquid from the nozzle 15 against the asbestos structure; subsequently, moving the elevator cage 11 to another floor; and repeating spray of the chemical liquid against the asbestos structure. <P>COPYRIGHT: (C)2013,JPO&INPIT |
