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Removal of fine particles from a gas stream by solid particle addition in venturi contactor
Removal of fine particles from a gas stream by solid particle addition in venturi contactor
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机译:通过在文丘里管接触器中添加固体颗粒去除气流中的细颗粒
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摘要
Fine particles contaminating a gas stream are removed from the gas stream by moving the gas stream at a velocity of between 50 and 500 feet per second; dispersing relatively larger solid collector particles in the gas stream to cause the collector particles to capture the fine particles by interception and inertial impaction and thereby form agglomerates consisting of the collector particles having the fine particles adhered thereto; and removing the agglomerates from the gas stream. Following removal from the gas stream the agglomerates may be cleaned to separate the fine particle material from the collector particles so that the collector particles can be redispersed into the gas stream.
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机译: (54)标题:具有硅酸盐涂层的固体颗粒(54):FESTKoRPERPARTKEL MIT SILKATBESCHICHTUNG(57)摘要:本发明涉及一种具有二氧化硅涂层的固体颗粒的生产方法,其包括以下步骤:将固体颗粒分散为将其涂覆在水性介质中以产生固体颗粒分散体,通过缓冲系统调节固体颗粒分散体的pH以产生缓冲的固体颗粒分散体,并向缓冲的固体颗粒分散体中添加碱性硅酸盐溶液以形成二氧化硅在涂覆期间将其涂覆在固体颗粒上,其中选择缓冲体系和碱性硅酸盐溶液的量,使得在添加碱性硅酸盐溶液之前和在添加完成之后,缓冲的固体颗粒分散体的pH至少为7.0。碱性硅酸盐溶液的最大含量为11.0。固体颗粒优选是无机固体,特别是