Air knife

• Main Authors: LI JIANQIANG, PENG LIXIA, GU XIANG, LI JINGZE
• Format: Patent
• Language: Chinese; English
• Published: 04.03.2022
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

The utility model discloses an air knife, which belongs to the field of photovoltaic technology, and comprises an air knife body and a tin ash scraping suite, and the air knife body is provided with a copper core wire through hole coaxially arranged with the air knife body; the tin ash scraping sleeve piece is coaxially connected with the air knife body, a center hole is formed in the tin ash scraping sleeve piece and communicates with the copper core wire penetrating hole, a first air cavity is further formed in the tin ash scraping sleeve piece, a first air inlet hole communicating with the first air cavity is formed in the side portion of the tin ash scraping sleeve piece, and a second air inlet hole communicating with the second air cavity is formed in the side portion of the tin ash scraping sleeve piece. A first annular air outlet slit communicated with the first air cavity is formed in the tin ash scraping suite, an outlet of the first annular air outlet slit is located in the lower surface of the tin