注水井停注时，地层外吐砂就会被金属毡阻隔在滤砂管周围，达到防砂目的。
The sand coming from the layer is blocked around the sand control pipe when the water injection well is closed, therefore the purpose of control sands can been attained;
熔体过滤器采用不锈钢金属纤维烧结毡为过滤介质，是一种具有无数不规则孔隙通道和一定厚度的载体。
Fusion filters adopt the stainless steel metallic fibre sintered fibre felt as filtered medium. lt is a carrier with a great amount of irregular pores and certain thickness.
金属纤维毡能够满足燃煤锅炉烟气的除尘要求，特别是对小颗粒粉尘有很好的去除作用。
The metal fiber felt can meet the requirements of dust removal for coal-fired boiler flue gas, and it has a better removal effect especially on little granular dust.
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