陈玉华,刘颖.搪瓷（喷瓷）管道及其连接技术国内外研究现状[J].表面技术,2008,37(6):74-77.
CHEN Yu-hua,LIU Ying.Present Status of Researclung on the Enameling ( Sprayed Porcelain) Pipe and Its Joining Technology[J].Surface Technology,2008,37(6):74-77 |
| 搪瓷（喷瓷）管道及其连接技术国内外研究现状 |
| Present Status of Researclung on the Enameling ( Sprayed Porcelain) Pipe and Its Joining Technology |
| 投稿时间：2008-07-27 修订日期：2008-12-10 |
| DOI： |
| 中文关键词: 搪瓷管道 喷瓷管道 焊接 接头防护 |
| 英文关键词:Enameling pipe Sprayed porcelain pipe Welding Protect of welded joint |
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| 中文摘要: |
| 搪瓷涂层具有优异的综合耐蚀性，不老化，使用寿命长，是有机涂层的替代产品。介绍了搪瓷管道及喷瓷管道的国内外发展现状和搪瓷（喷瓷）管道的连接技术。俄罗斯率先将搪瓷技术应用于管道防腐，大大提高了管道的耐蚀性，但设备投资巨大、工序繁多、生产效率低，成本相对较高。中国将热喷涂技术应用于搪瓷管道的生产诞生了喷瓷管道，简化了工艺，降低了成本。搪瓷（喷瓷）管道焊接时会破坏接头处瓷层，需要补口。国内外发展了焊接接头内壁牺牲阳极防护法、用综合冶金治理代替焊后补口技术、不锈钢工艺接头连接法、瓷层自熔覆防护法等方法，实现了搪瓷（喷瓷）管道的连接，解决了焊接接头补口问题。 |
| 英文摘要: |
| Enameling coating has excellent corrosion-resistance, aging-resistance and long service life, and can be the succedaneum of organic coating. The present status of researching on the enameling ( sprayed porcelain) pipe and its joining technology are introduced. Russia takes the lead in applying enameling technology to pipe anticorrosion. The erosion resistance of enameling pipe is enhanced but the equipment is expensive, the procedure is complex, the production coefficient is low and the cost of enameling pipe is high. China applies thermal spraying to the production of enameling pipe and creates sprayed porcelain pipe. The procedure of sprayed porcelain pipe is simpler and the cost is lower than enameling pipe. Enameling coating on the welded joint of enameling pipe and sprayed porcelain pipe can be damaged and repaired mouth is needed. The methods of sacrifcial anode on inwall of welded joint, using integrated metallurgy treatment replacing internal repaired mouth after welding, using stainless steel technology joints, self-deposition of the enamel are developed to join enameling pipe( sprayed porcelain pipe) and solve the problem of repaired mouth. |
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