POWDER CARRYING DEVICE, GAS SUPPLY DEVICE AND POWDER ELIMINATION METHOD

• Main Author: KOMORI EIICHI
• Format: Patent
• Language: English; Japanese
• Published: 08.04.2022
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKING; PERFORMING OPERATIONS; PNEUMATIC TUBE CONVEYORS; SHOP CONVEYOR SYSTEMS; STORING; TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING; TRANSPORTING

To provide a powder carrying device suppressed in internal leak, a gas supply device and a powder elimination method.SOLUTION: A powder carrying device has: a powder carrying pipe connected from a powder raw material supply source to a vaporizer; a first valve provided at the powder raw material supply source side of the powder carrying pipe; a second valve provided at the vaporizer side of the powder carrying pipe; a buffer tank filled with purge gas; a first purge gas supply pipe connected to the powder carrying pipe upstream the second valve and supplying the purge gas from the buffer tank to the second valve; a first purge gas valve provided to the first purge gas supply pipe; and a control part controlling opening/closing of the first valve, the second valve and the first purge gas valve.SELECTED DRAWING: Figure 8 【課題】内部リークを抑制する粉体搬送装置、ガス供給装置及び粉体除去方法を提供する。【解決手段】粉体原料供給源から気化器に接続する粉体搬送配管と、前記粉体搬送配管の前記粉体原料供給源の側に設けられる第１バルブと、前記粉体搬送配管の前記気化器の側に設けられる第２バルブと、パージガスを充填するバッファタンクと、前記第２バルブよりも上流側で前記粉体搬送配管と接続し、前記バッファタンクから前記第２バルブにパージガスを供給する第１パージガス供給配管と、前記第１パージガス供給配管に設けられる第１パージガスバルブと、記第１バルブ、前記第２バルブ及び前記第１パージガスバルブの開閉を制御する制御部と、を備える、粉体搬送装置。【選択図】図８