| 摘要 |
<p>PURPOSE:To efficiently clean off a liq. material by injecting a cleaning soln. onto the material from a small hole provided to the device and communicating with the outside. CONSTITUTION:When a device as the sand mill part having a screen 10, a check valve 12, a valve, a pump, etc., is cleaned, a cleaning soln. is sent to a hose 22 from the pump, passed through the small hole 24, and injected into the screen. Consequently, a liq. material deposited on a limited part is removed. An org. solvent, water, acid, alkali, etc., can be used as the cleaning soln. By this method, the device is efficiently cleaned.</p> |
