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公开(公告)号：US10137432B2
公开(公告)日：2018-11-27
申请号：US15862758
申请日：2018-01-05
Applicant: BASF SE
Inventor： Gerald Grünewald , Rüdiger Funk , Matthias Weismantel , Monte Peterson
Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising the steps of: •—processing an aqueous polymer gel from polymerization of a monomer solution or suspension, •—drying the aqueous polymer gel in a conveyer dryer, in particular in a forced air conveyer dryer, wherein •—the conveyer dryer has a circulating conveyer belt and the aqueous polymer gel is conveyed on the circulating conveyer belt, and wherein •—the circulating conveyer belt is formed as a circulating plate conveyer belt, comprising a number of belt plates separated by a hinge line of a hinge assembly and each belt plate having a surface for receiving the aqueous polymer gel, wherein said hinge assembly comprises a knuckle joint (301) with the hinge line in form of a straight hinge line.
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公开(公告)号：US10005064B2
公开(公告)日：2018-06-26
申请号：US15037364
申请日：2014-11-14
Applicant: BASF SE
Inventor： Gerald Grünewald , Rüdiger Funk , Matthias Weismantel , Monte Peterson
IPC: B01J20/30 , F26B17/04 , B01J20/26 , B01J20/28 , B65G17/34 , B65G69/20 , F26B3/04 , B65G17/06 , C08F6/24
CPC classification number: B01J20/30 , B01J20/261 , B01J20/28016 , B01J20/3021 , B01J20/3078 , B01J20/3085 , B65G17/067 , B65G17/34 , B65G69/20 , F26B3/04 , F26B17/04
Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising the steps of: •—processing an aqueous polymer gel from polymerization of a monomer solution or suspension, •—drying the aqueous polymer gel in a conveyer dryer, in particular in a forced air conveyer dryer, wherein •—the conveyer dryer has a circulating conveyer belt and the aqueous polymer gel is conveyed on the circulating conveyer belt, and wherein •—the circulating conveyer belt is formed as a circulating plate conveyer belt, comprising a number of belt plates separated by a hinge line of a hinge assembly and each belt plate having a surface for receiving the aqueous polymer gel, wherein said hinge assembly comprises a knuckle joint (301) with the hinge line in form of a straight hinge line.
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公开(公告)号：US11826723B2
公开(公告)日：2023-11-28
申请号：US16305093
申请日：2017-05-24
Applicant: BASF SE
Inventor： Gerald Grünewald , Rüdiger Funk , Matthias Weismantel
CPC classification number: B01J20/26 , B01J20/28016 , B01J20/28047 , B01J20/3021 , B01J20/3078 , B02C13/06 , B02C21/00 , C08J3/075 , F26B17/04
Abstract: The invention relates to a belt drier arrangement for drying an aqueous polymer gel and for comminuting the dried polymer gel to give dried polymer particles, comprising:
a drier setup for drying an aqueous polymer gel,
a comminuting arrangement downstream of the drier setup relative to the product flow direction, for comminuting the dried polymer gel to give dried polymer particles. In accordance with the invention
the comminuting arrangement comprises at least a first comminutor and a second comminutor, each having a rotatable shaft with functional tools, the second comminutor being disposed downstream of the first comminutor relative to the product flow direction.-
公开(公告)号：US20160279605A1
公开(公告)日：2016-09-29
申请号：US15037364
申请日：2014-11-14
Applicant: BASF SE
Inventor： Gerald Grünewald , Rüdiger Funk , Matthias Weismantel , Monte A. Peterson
CPC classification number: B01J20/30 , B01J20/261 , B01J20/28016 , B01J20/3021 , B01J20/3078 , B01J20/3085 , B65G17/067 , B65G17/34 , B65G69/20 , F26B3/04 , F26B17/04
Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising the steps of: —processing an aqueous polymer gel from polymerization of a monomer solution or suspension, —drying the aqueous polymer gel in a conveyer dryer, in particular in a forced air conveyer dryer, wherein —the conveyer dryer has a circulating conveyer belt and the aqueous polymer gel is conveyed on the circulating conveyer belt, and wherein —the circulating conveyer belt is formed as a circulating plate conveyer belt, comprising a number of belt plates separated by a hinge line of a hinge assembly and each belt plate having a surface for receiving the aqueous polymer gel, wherein said hinge assembly comprises a knuckle joint (301) with the hinge line in form of a straight hinge line.
Abstract translation: 本发明涉及一种生产吸水性聚合物颗粒的方法，包括以下步骤： - 将聚合物水凝胶聚合成单体溶液或悬浮液，在输送干燥机中干燥聚合物凝胶，特别是在强制 空气输送机干燥器，其中 - 所述输送机干燥器具有循环输送带，并且所述水性聚合物凝胶在所述循环输送带上输送，并且其中所述循环输送带形成为循环板输送带，包括多个带板分离 通过铰链组件的铰链线，并且每个带板具有用于接收含水聚合物凝胶的表面，其中所述铰链组件包括铰链接头（301），铰链线以直线铰链线的形式。
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公开(公告)号：US20200316561A1
公开(公告)日：2020-10-08
申请号：US16305093
申请日：2017-05-24
Applicant: BASF SE
Inventor： Gerald Grünewald , Rüdiger Funk , Matthias Weismantel
Abstract: The invention relates to a belt drier arrangement for drying an aqueous polymer gel and for comminuting the dried polymer gel to give dried polymer particles, comprising: a drier setup for drying an aqueous polymer gel, a comminuting arrangement downstream of the drier setup relative to the product flow direction, for comminuting the dried polymer gel to give dried polymer particles. In accordance with the invention the comminuting arrangement comprises at least a first comminutor and a second comminutor, each having a rotatable shaft with functional tools, the second comminutor being disposed downstream of the first comminutor relative to the product flow direction.
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Patent Agency Ranking
公开(公告)号：US20180086861A1
公开(公告)日：2018-03-29
申请号：US15571868
申请日：2016-04-15
Applicant: BASF SE
Inventor： Gerald Grünewald , Rüdiger Funk , Mattias Weismantel
IPC: C08F6/00 , F26B3/04 , F26B5/04 , F26B17/04 , F26B21/00 , F26B21/02 , F26B21/10 , C08F2/10 , C08J3/12 , B01J20/30 , B01J20/26
CPC classification number: C08F6/008 , B01J20/261 , B01J20/3021 , C08F2/10 , C08F20/06 , C08J3/12 , C08J2357/00 , F26B3/04 , F26B5/04 , F26B5/041 , F26B17/04 , F26B21/004 , F26B21/02 , F26B21/10
Abstract: A production process for production of water absorbing polymer particles, including drying an aqueous polymer gel in a belt drier with a conveyor belt having a drier setup in the interior, in which drying air in the interior of the drier setup is conducted in countercurrent counter to the conveying direction and the interior of the drier setup is kept substantially at a reduced pressure relative to the ambient pressure outside the drier setup, and the interior has and/or forms a pressure zone, and is especially divided into a number of pressure zones.
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公开(公告)号：US10648731B2
公开(公告)日：2020-05-12
申请号：US15571862
申请日：2016-04-15
Applicant: BASF SE
Inventor： Gerald Grünewald , Rüdiger Funk , Matthias Weismantel , Karl Possemiers
IPC: C08F2/00 , F26B3/06 , F26B17/04 , F26B21/02 , F26B21/12 , C08F2/01 , B01J20/28 , B01J20/30 , C08F2/06 , C08J3/12 , F26B25/06 , B29B9/10 , B29B9/12 , C08F20/06
Abstract: A production process for production of water-absorbing polymer particles including drying an aqueous polymer gel in a belt drier with a conveyor belt. The belt drier is formed with a drier setup substantially comprising the conveyor belt and an air recycling conduit downstream of the drier setup for air recycling, where recycled air is withdrawn from the drier setup and fed back to the drier setup via the air recycling conduit.
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公开(公告)号：US10647787B2
公开(公告)日：2020-05-12
申请号：US15571868
申请日：2016-04-15
Applicant: BASF SE
Inventor： Gerald Grünewald , Rüdiger Funk , Matthias Weismantel
IPC: C08F6/00 , C08F2/10 , C08F2/18 , F26B3/04 , F26B17/04 , F26B5/04 , C08F20/06 , B01J20/26 , B01J20/30 , C08J3/12 , F26B21/00 , F26B21/02 , F26B21/10
Abstract: A production process for production of water absorbing polymer particles, including drying an aqueous polymer gel in a belt drier with a conveyor belt having a drier setup in the interior, in which drying air in the interior of the drier setup is conducted in countercurrent counter to the conveying direction and the interior of the drier setup is kept substantially at a reduced pressure relative to the ambient pressure outside the drier setup, and the interior has and/or forms a pressure zone, and is especially divided into a number of pressure zones.
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公开(公告)号：US20180154335A1
公开(公告)日：2018-06-07
申请号：US15862758
申请日：2018-01-05
Applicant: BASF SE
Inventor： Gerald Grünewald , Rüdiger Funk , Matthias Weismantel , Monte Peterson
CPC classification number: B01J20/30 , B01J20/261 , B01J20/28016 , B01J20/3021 , B01J20/3078 , B01J20/3085 , B65G17/067 , B65G17/34 , B65G69/20 , F26B3/04 , F26B17/04
Abstract: The invention relates to a process for producing water-absorbing polymer particles, comprising the steps of: •—processing an aqueous polymer gel from polymerization of a monomer solution or suspension, •—drying the aqueous polymer gel in a conveyer dryer, in particular in a forced air conveyer dryer, wherein •—the conveyer dryer has a circulating conveyer belt and the aqueous polymer gel is conveyed on the circulating conveyer belt, and wherein •—the circulating conveyer belt is formed as a circulating plate conveyer belt, comprising a number of belt plates separated by a hinge line of a hinge assembly and each belt plate having a surface for receiving the aqueous polymer gel, wherein said hinge assembly comprises a knuckle joint (301) with the hinge line in form of a straight hinge line.
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公开(公告)号：US20180135912A1
公开(公告)日：2018-05-17
申请号：US15571862
申请日：2016-04-15
Applicant: BASF SE
Inventor： Gerald Grünewald , Rüdiger Funk , Matthias Weismantel , Karl Possemiers
IPC: F26B3/06 , F26B17/04 , F26B21/02 , F26B21/12 , F26B25/06 , C08F2/06 , C08J3/12 , B01J20/30 , B01J20/28
CPC classification number: F26B3/06 , B01J20/28016 , B01J20/3021 , B29B9/10 , B29B9/12 , C08F2/00 , C08F2/01 , C08F2/06 , C08F20/06 , C08J3/12 , C08J2300/14 , F26B17/04 , F26B21/02 , F26B21/12 , F26B25/06
Abstract: A production process for production of water-absorbing polymer particles including drying an aqueous polymer gel in a belt drier with a conveyor belt. The belt drier is formed with a drier setup substantially comprising the conveyor belt and an air recycling conduit downstream of the drier setup for air recycling, where recycled air is withdrawn from the drier setup and fed back to the drier setup via the air recycling conduit.
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