And it was pointed out that to add the top electro-magnetic vibrator type EP is an available method for old dedusting system renovation.

• 实践表明,增设新型顶部电磁锤振打式电除尘器是钢铁企业老烧结机机头旧除尘系统提效改造的可行方法,这种新型配置多级除尘技术适用于老厂改造。