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公开(公告)号：US10252228B2
公开(公告)日：2019-04-09
申请号：US14423857
申请日：2013-08-28
申请人： BASF SE
发明人： Marko Petteri Kajasvirta , Frank Breithecker , Joachim Hege , Christian-Andreas Winkler , Florian Scharf
摘要： The present invention concerns a method and a device for feeding at least one chemical substance into a main process stream. The method of the invention comprises the steps of providing a concentrated stream of said chemical substance, mixing said concentrated stream with a diluent stream to provided a diluted stream of said chemical substance, injecting said diluted stream of said chemical substance into said main process stream, wherein said mixing of said concentrated stream with said diluent stream is effected by injecting a jet of either one of said concentrated stream or said diluent stream into the respective other stream. The device of the invention comprises a first pipe segment (21) having a first inlet (22) for a first fluid and a first outlet (23) for a mixed fluid, a second pipe segment (24) having a second inlet (25) for a second fluid and a second outlet (26) connected to and leading into said first pipe segment (21) between said first inlet (23) and said first outlet (24), and first connection means (27) for connecting said first outlet (23) of said first pipe section (21) to a main pipe (14) of said main process stream, wherein said second pipe segment (24) comprises at least one nozzle (28) for generating a jet (29) of said second fluid arranged upstream of said second outlet (26).
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公开(公告)号：US09567710B2
公开(公告)日：2017-02-14
申请号：US14453282
申请日：2014-08-06
申请人： BASF SE
摘要： A pulp making process in which fibrous cellulosic material is pulped to form an aqueous suspension of cellulosic material, the suspension is drained through a screen to form a pulp sheet and that the pulp sheet is dried to form a dry market pulp, in which a water soluble cationic polymer is added to the suspension as the sole drainage aid wherein the water-soluble cationic polymer is either, i) a copolymer comprising (a) between 1 and 70 mole % (meth) acrylamide and (b) between 30 and 99 mole % (meth) acryloyloxyethyltrimethyl ammonium chloride with an intrinsic viscosity between 5 and 9 dl/g; or ii) a hydrolysed homopolymer of vinylformamide comprising between 1 and 100 mole % vinyl amine units and having a K value of between 45 and 240. The process of the invention provides improved drainage time and solids content of the dewatered pulp.
摘要翻译： 本发明的方法提供了脱水纸浆的改进的排水时间和固体含量。
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3.发明申请METHOD AND DEVICE FOR FEEDING AT LEAST ONE CHEMICAL SUBSTANCE INTO A MAIN PROCESS STREAM 审中-公开用于将至少一种化学物质输送到主流程流中的方法和装置公开(公告)号：US20150209739A1
公开(公告)日：2015-07-30
申请号：US14423857
申请日：2013-08-28
申请人： BASF SE
发明人： Marko Petteri Kajasvirta , Frank Breithecker , Joachim Hege , Christian-Andreas Winkler , Florian Scharf
CPC分类号： B01F5/0275 , B01F3/08 , B01F3/0865 , B01F5/0057 , B01F15/0254 , B01F2003/0896 , B01F2215/0036 , B01J4/002 , B01J4/02 , D21H21/10
摘要： The present invention concerns a method and a device for feeding at least one chemical substance into a main process stream. The method of the invention comprises the steps of providing a concentrated stream of said chemical substance, mixing said concentrated stream with a diluent stream to provided a diluted stream of said chemical substance, injecting said diluted stream of said chemical substance into said main process stream, wherein said mixing of said concentrated stream with said diluent stream is effected by injecting a jet of either one of said concentrated stream or said diluent stream into the respective other stream. The device of the invention comprises a first pipe segment (21) having a first inlet (22) for a first fluid and a first outlet (23) for a mixed fluid, a second pipe segment (24) having a second inlet (25) for a second fluid and a second outlet (26) connected to and leading into said first pipe segment (21) between said first inlet (23) and said first outlet (24), and first connection means (27) for connecting said first outlet (23) of said first pipe section (21) to a main pipe (14) of said main process stream, wherein said second pipe segment (24) comprises at least one nozzle (28) for generating a jet (29) of said second fluid arranged upstream of said second outlet (26).
摘要翻译： 本发明涉及一种用于将至少一种化学物质进料至主工艺流中的方法和装置。 本发明的方法包括以下步骤：提供所述化学物质的浓缩物流，将所述浓缩物流与稀释剂流混合以提供所述化学物质的稀释物流，将所述化学物质的稀释物流注入所述主工艺流中， 其中所述浓缩流与所述稀释剂流的混合通过将所述浓缩流或所述稀释剂流中的任一种的射流注入相应的另一种流中来实现。 本发明的装置包括具有用于第一流体的第一入口（22）和用于混合流体的第一出口（23）的第一管段（21），具有第二入口（25）的第二管段（24） 用于在所述第一入口（23）和所述第一出口（24）之间连接并通向所述第一管段（21）的第二流体和第二出口（26），以及用于将所述第一出口 （21）的主管（23）连接到所述主工艺流的主管（14），其中所述第二管段（24）包括用于产生所述第二管段（21）的喷嘴（29）的至少一个喷嘴（28） 流体布置在所述第二出口（26）的上游。
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公开(公告)号：US20150027651A1
公开(公告)日：2015-01-29
申请号：US14453282
申请日：2014-08-06
申请人： BASF SE
摘要： A pulp making process in which fibrous cellulosic material is pulped to form an aqueous suspension of cellulosic material, the suspension is drained through a screen to form a pulp sheet and that the pulp sheet is dried to form a dry market pulp, in which a water soluble cationic polymer is added to the suspension as the sole drainage aid wherein the water-soluble cationic polymer is either, i) a copolymer comprising (a) between 1 and 70 mole % (meth) acrylamide and (b) between 30 and 99 mole % (meth) acryloyloxyethyltrimethyl ammonium chloride with an intrinsic viscosity between 5 and 9 dl/g; or ii) a hydrolysed homopolymer of vinylformamide comprising between 1 and 100 mole % vinyl amine units and having a K value of between 45 and 240. The process of the invention provides improved drainage time and solids content of the dewatered pulp.
摘要翻译： 一种制浆工艺，其中将纤维状纤维素材料制浆以形成纤维素材料的水悬浮液，将悬浮液通过筛网排出以形成纸浆片，并将纸浆片干燥以形成干市场纸浆，其中水 将可溶性阳离子聚合物作为唯一的助溶剂加入到悬浮液中，其中水溶性阳离子聚合物为：i）包含（a）1-70摩尔％（甲基）丙烯酰胺和（b）30-99摩尔 ％（甲基）丙烯酰氧基乙基三甲基氯化铵，特性粘度在5至9dl / g之间; 或ii）乙烯基甲酰胺的水解均聚物，其包含1至100摩尔％的乙烯基胺单元并且具有45至240的K值。本发明的方法提供了脱水纸浆的改进的排水时间和固体含量。
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