PROBLEM TO BE SOLVED: To provide a slit nozzle spray defoaming method and a device thereof in which a foam content contained in foam-containing liquid is separated from a liquid content and radially diffused by ejecting and spraying the foam-containing liquid using a slit nozzle mechanism faced in decompression environment, the foam content is effectively sucked and exhausted, liquid content is stored and thus, the liquid content in a defoamed condition is obtained,.SOLUTION: The slit nozzle spray defoaming method comprises: a foam-containing liquid pressurizing-holding step of enabling the foam-containing liquid to be introduced in a pressurized condition a spray step of separating the gas content and the liquid content by radially spraying-ejecting the pressurized-transferred foam-containing liquid using the slit nozzle mechanism 3 formed of a slit hole 7 and a coil-shaped wire rod 9 crossing with the slit hole 7 a decompression processing step of enabling gas content to be sucked and exhausted in an enclosure shape a liquid content holding storing step enabling the separated liquid content be held and stored and a transfer step of taking out the defoamed liquid content.COPYRIGHT: (C)2014,JPO&INPIT【課題】減圧環境内に臨まれるスリットノズル機構より含泡液体を吐出噴霧させて包含されている気泡分を、液体分と分離させて放射状に拡散させ、有効に吸気排気させて、液体分を貯蔵させて脱気状態の液体分を得るようにしたスリットノズルスプレー脱泡方法及びその装置の提供。【解決手段】加圧状態で含泡液体を導入できる含泡液体加圧保持工程、加圧移送される含泡液体をスリット孔7とこのスリット孔7と交叉するコイル状の線材9とで形成されるスリットノズル機構3より放射状に噴霧吐出させて、気体分と液体分とを分離させるスプレー工程、気体分を包囲状に吸気排出できる減圧処理工程、分離された液体分を収納貯溜できる液体分保留槽工程、脱泡された液体分を取り出すようにした移送工程、とより成ることを特徴とするスリットノズルスプレー脱泡方法。【選択図】図1
