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造紙烘缸表面熱噴涂強化修復

日期:2021-08-06 16:14 人氣:
       造紙烘缸是造紙行業中,用以將成型后的紙坯進行連續烘干的機械,烘缸是一種滾筒式的壓力容器,在運行過程中,從蒸汽接頭通入的飽和蒸汽在烘缸內部冷凝,釋放出熱量是的烘缸溫度上升,從而將包覆在輥殼表面運行的紙頁加熱烘干。
       長期運行過程中,烘缸承受高溫以及壓力的影響,熔覆出現高溫腐蝕和磨損的現象,因此,需要對其表面進行強化修復,熱噴涂加工技術是目前常用的金屬表面強化技術之一,選用不同的噴涂工藝以及不同的噴涂材料,所制備出的涂層性能有所不同,表面結合強度也各有差異。
       天盟公司經過長期的熱噴涂實踐,在噴涂之前對烘缸表面磨損情況進行深入分析,選用合適的工藝以及材料對其進行修復,可達到事半功倍的效果,采用超音速火焰噴涂工藝,選用碳化鎢陶瓷涂層,在磨削拋光后進行熱噴涂加工,涂層厚度在0.25-.035mm,硬度不低于HV900-1300,粗糙度Ra0.02,平直度0.08mm,制備出的涂層無剝離、砂眼、氣孔、裂紋等現象,涂層與基體結合良好,可有效提高其表面使用強度,增強使用壽命。
       濟南天盟新材料科技有限公司自成立以來,專注于熱噴涂加工技術服務,對造紙烘缸、造紙行業用輥子等機械工件表面強化修復有著豐富的經驗,歡迎廣大客戶垂詢。

造紙烘缸表面熱噴涂強化修復

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