METHOD AND APPARATUS TO REMOVE SUBSTANCE ADHERING TO WATER CHANNEL BY WATER INJECTION

摘要

PURPOSE:To carry out adhering substance removing work without impairing the special coating applied face of an inlet channel, remarkably reduce the working labor and maintain the safety for workers. CONSTITUTION:While a water sprinkling work car is made running in water channel, water is injected to wall face by water injecting nozzle 73 installed in the working car side to remove the substances such as shells adhering to the wall face and remove them. A sprinkler 79 is installed in the main body 59 of the car through an ascending and descending frame 69 and a water supplying apparatus to supply high pressure water to the sprinkler is connected to the sprinkler.