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1. 发明授权

US10427171B2 Centrifugal separator having energy consumption reducing devices 有权
公开(公告)号：US10427171B2
公开(公告)日：2019-10-01
申请号：US14951742
申请日：2015-11-25
申请人： ALFA LAVAL CORPORATE AB
发明人： Peter Thorwid , Roland Isaksson , Peter Hagqvist , Carl Häggmark , Lars Hillström
IPC分类号： B04B11/02 , B04B7/02 , B04B15/02 , B04B15/08
摘要： The invention relates to a centrifugal separator comprising a casing which delimits and seals off a space in which a rotor is arranged. The rotor forms a separation space which is sealed or isolated from the space, and in which separation space centrifugal separation of a higher density and a lower density component from a fluid takes place. An inlet extends into the rotor for introducing fluid to the separation space, and a first outlet extends from the rotor for discharge of a component separated from the fluid. The space is connected to a pump device which is arranged to remove gas, thereby maintaining negative pressure in said space. The rotor comprises at least one second outlet extending from the separation space to the space for discharge of at least one higher density component separated from the fluid. The invention also relates to a method in such a centrifugal separator.

2. 发明申请

US20200346225A1 CENTRIFUGAL SEPARATOR HAVING ENERGY CONSUMPTION REDUCING DEVICES 审中-公开
公开(公告)号：US20200346225A1
公开(公告)日：2020-11-05
申请号：US16583703
申请日：2019-09-26
申请人： ALFA LAVAL CORPORATE AB
发明人： Peter Thorwid , Roland Isaksson , Peter Hagqvist , Carl Häggmark , Lars Hillström
IPC分类号： B04B11/02 , B04B7/02 , B04B15/02 , B04B15/08
摘要： The invention relates to a centrifugal separator comprising a casing which delimits and seals off a space in which a rotor is arranged. The rotor forms a separation space which is sealed or isolated from the space, and in which separation space centrifugal separation of a higher density and a lower density component from a fluid takes place. An inlet extends into the rotor for introducing fluid to the separation space, and a first outlet extends from the rotor for discharge of a component separated from the fluid. The space is connected to a pump device which is arranged to remove gas, thereby maintaining negative pressure in said space. The rotor comprises at least one second outlet extending from the separation space to the space for discharge of at least one higher density component separated from the fluid. The invention also relates to a method in such a centrifugal separator.

3. 发明授权

US10710101B2 Centrifugal separator having a vortex generator 有权
公开(公告)号：US10710101B2
公开(公告)日：2020-07-14
申请号：US14439513
申请日：2013-11-19
申请人： ALFA LAVAL CORPORATE AB
发明人： Per Fonser , Peter Hagqvist , Lars Hillström , Carl Häggmark , Roland Isaksson , Tom Manelius , Jan Skoog , Peter Thorwid , Olle Törnblom , Martin Hansson
IPC分类号： B04B5/12 , B01D45/14 , B04B9/06 , B04B11/02 , B04B7/02 , B04B5/08 , B04B7/12 , B04C9/00
摘要： A centrifugal separator and a method for separation of particles from a gas stream is disclosed. The separator includes a frame, a gas inlet and a gas outlet. A centrifugal rotor is arranged to be rotatable in the frame around a rotational axis and includes a plurality of separation plates defining separation passages between the plates. A central gas chamber in the rotor communicates with a radially inner portion of the separation passages and the gas outlet. A space surrounding the rotor communicates with a radially outer portion of the separation passages and the gas inlet. A device is configured to bring the gas stream in rotation upstream of the rotor. The centrifugal rotor is configured such that the rotational flow of the gas mixture drives the rotation of the centrifugal rotor for separating particles from the same gas stream being conducted from the space surrounding the rotor, through the separation passages between the plates and towards the central gas chamber.

4. 发明授权

US11426739B2 Separating disc for centrifugal separator and disc package comprising such separating discs 有权
公开(公告)号：US11426739B2
公开(公告)日：2022-08-30
申请号：US16093480
申请日：2017-03-31
申请人： ALFA LAVAL CORPORATE AB
发明人： Peter Hagqvist
IPC分类号： B04B7/14 , B01D45/14
摘要： A separating disc adapted to be included in a disc package of a centrifuge rotor of a centrifugal separator adapted for separation of components in a supplied medium. The separating disc extends around an axis of rotation and has a tapering shape along the axis of rotation. The separating disc further includes a plurality of distance members, wherein each distance member is formed by a pressed marks extending radially. The separating disc is provided with a guiding arrangement including a number of index positions for providing indexing of the separating disc in the disc package in a rotational position. The number of index positions is different than the number of the plurality of distance members.

5. 发明授权

US10940489B2 Centrifugal separator with disc stack having discs of different diameters 有权
公开(公告)号：US10940489B2
公开(公告)日：2021-03-09
申请号：US15568628
申请日：2016-04-22
申请人： ALFA LAVAL CORPORATE AB
发明人： Peter Hagqvist , Olle Törnblom , Torbjörn Larsen , Björn Wernerson , Galya Simeonova , Mustafa Rasol
IPC分类号： B04B1/08 , B04B7/14 , B04B9/02 , B04B11/02 , B04B5/00 , F01M13/04
摘要： A centrifugal separator includes a frame and a drive member configured to rotate a rotating part in relation to the frame around an axis of rotation. The rotating part includes a centrifuge rotor closing a separation chamber. The separation chamber includes a stack of separation discs arranged coaxially around the axis of rotation at a distance from each other such as to form passages between each two adjacent separation discs. The stack of separation discs includes a first type of separation discs having an outer diameter of A or below, and at least one separation disc of a second type having outer diameter B or above, wherein diameter B is larger than diameter A. At least one of the separation discs of the second type is arranged at a position in the disc stack that is within the upper 15% of the total number of separation discs and at least one of the first type of separation disc is arranged axially above the uppermost separation disc of the second type.

6. 发明授权

US09849467B2 Disc package for a centrifugal separator 有权
公开(公告)号：US09849467B2
公开(公告)日：2017-12-26
申请号：US14401075
申请日：2013-05-13
申请人： ALFA LAVAL CORPORATE AB
发明人： Peter Hagqvist
IPC分类号： B04B1/08 , B04B7/14
CPC分类号： B04B7/14 , B04B1/08
摘要： The invention relates to a disc package for a centrifugal separator and a centrifugal separator provided with a disc package comprising a first set of separation discs and a second set of separation discs. Each separation disc of the first and second sets are provided with a separation surface with is inclined with respect to the radial direction. The separation discs of the first and second sets are arranged coaxially around an axis of rotation at a distance from each other such that to form passages between each two adjacent separation discs. The separation discs of the first set have outer diameters A or below, and the separation discs of the second set have outer diameters B or above, wherein diameter B is larger than diameter A. At least two separation discs of the first set is arranged between every two separation disc of the second set.

7. 发明申请

US20160074880A1 CENTRIFUGAL SEPARATOR HAVING ENERGY CONSUMPTION REDUCING DEVICES 审中-公开
标题翻译：具有能量消耗减少装置的离心分离器
公开(公告)号：US20160074880A1
公开(公告)日：2016-03-17
申请号：US14951742
申请日：2015-11-25
申请人： ALFA LAVAL CORPORATE AB
发明人： Peter Thorwid , Roland Isaksson , Peter Hagqvist , Carl Häggmark , Lars Hillström
IPC分类号： B04B11/02 , B04B15/02
CPC分类号： B04B11/02 , B04B7/02 , B04B15/02 , B04B15/08
摘要： The invention relates to a centrifugal separator comprising a casing which delimits and seals off a space in which a rotor is arranged. The rotor forms a separation space which is sealed or isolated from the space, and in which separation space centrifugal separation of a higher density and a lower density component from a fluid takes place. An inlet extends into the rotor for introducing fluid to the separation space, and a first outlet extends from the rotor for discharge of a component separated from the fluid. The space is connected to a pump device which is arranged to remove gas, thereby maintaining negative pressure in said space. The rotor comprises at least one second outlet extending from the separation space to the space for discharge of at least one higher density component separated from the fluid. The invention also relates to a method in such a centrifugal separator.
摘要翻译：本发明涉及一种离心分离器，其包括限定和密封其中布置有转子的空间的壳体。转子形成了与空间密封或隔离的分离空间，并且在分离空间中发生了较高密度和较低密度组分与流体的离心分离。入口延伸到转子中以将流体引入分离空间，并且第一出口从转子延伸以排出与流体分离的部件。空间连接到泵装置，该泵装置被布置成去除气体，从而在所述空间中保持负压。转子包括从分离空间延伸到空间的至少一个第二出口，用于排出与流体分离的至少一个较高密度的组分。本发明还涉及这种离心分离器中的方法。

8. 发明申请

US20150290660A1 CENTRIFUGAL SEPARATOR 有权
标题翻译：离心分离器
公开(公告)号：US20150290660A1
公开(公告)日：2015-10-15
申请号：US14439592
申请日：2013-11-19
申请人： ALFA LAVAL CORPORATE AB
发明人： Per Fonser , Peter Hagqvist , Martin Hansson , Lars Hillström , Roland Isaksson , Carl Häggmark , Tom Manelius , Jan Skoog , Peter Thorwid , Olle Törnblom
IPC分类号： B04B7/12 , B04B5/08 , B01D45/14 , B04B7/14
CPC分类号： B04B7/12 , B01D45/14 , B04B5/08 , B04B5/12 , B04B7/02 , B04B7/14 , B04B9/06 , B04B9/12 , B04B11/02 , B04B2005/125 , B04C2009/007
摘要： A centrifugal separator for separation of particles from a gas stream is disclosed. The centrifugal separator includes a self-supporting frame for mounting inside an existing vessel for guiding the gas stream. The frame comprises a holder configured to hold the frame at a position inside the vessel, and a first partition for dividing the vessel into a first section and a second section. The first section is upstream of the second section. The separator includes a gas inlet communicating with the first section, and a gas outlet communicating with the second section. A centrifugal rotor is arranged to be rotatably supported in the frame around a rotational axis, the rotor having a first and a second end portion and including a plurality of separation plates defining separation passages between the plates. The centrifugal separator is configured such that the first and second sections communicate via the separation passages of the rotor.
摘要翻译：公开了一种用于从气流中分离颗粒的离心分离器。离心分离器包括用于安装在现有容器内用于引导气流的自支撑框架。所述框架包括保持器，所述保持器构造成将所述框架保持在所述容器内的位置，以及第一隔板，用于将所述容器分成第一部分和第二部分。第一部分是第二部分的上游。分离器包括与第一部分连通的气体入口和与第二部分连通的气体出口。离心转子被布置成围绕旋转轴线可旋转地支撑在框架中，转子具有第一和第二端部，并且包括限定在板之间的分隔通道的多个分隔板。离心分离器构造成使得第一和第二部分经由转子的分离通道连通。

9. 发明授权

US12128427B2 Method of controlling centrifugal separator and centrifugal separator 有权
公开(公告)号：US12128427B2
公开(公告)日：2024-10-29
申请号：US17431809
申请日：2020-02-05
申请人： Alfa Laval Corporate AB
发明人： Peter Hagqvist , Carl Häggmark
IPC分类号： B04B9/10 , B04B1/08 , B04B11/02 , B04B13/00
CPC分类号： B04B9/10 , B04B1/08 , B04B11/02 , B04B13/00
摘要： A centrifugal separator and a method of controlling a centrifugal separator are disclosed. The centrifugal separator includes a separator rotor delimiting a separation space. At least one tube extends from at least one radially outer portion of the separation space towards a central portion of the separator rotor. The method includes inter alia changing a rotational speed of the separator rotor from a first rotational speed to a second rotational speed, such that a heavy phase accumulation at a periphery of the separation space is displaced in a circumferential direction.

10. 发明授权

US09884327B2 Centrifugal separator having frame secured within a vessel 有权
公开(公告)号：US09884327B2
公开(公告)日：2018-02-06
申请号：US14439592
申请日：2013-11-19
申请人： ALFA LAVAL CORPORATE AB
发明人： Per Fonser , Peter Hagqvist , Martin Hansson , Lars Hillström , Roland Isaksson , Carl Häggmark , Tom Manelius , Jan Skoog , Peter Thorwid , Olle Törnblom
IPC分类号： B04B7/12 , B01D45/14 , B04B5/12 , B04B7/02 , B04B9/06 , B04B9/12 , B04B11/02 , B04B5/08 , B04B7/14 , B04C9/00
CPC分类号： B04B7/12 , B01D45/14 , B04B5/08 , B04B5/12 , B04B7/02 , B04B7/14 , B04B9/06 , B04B9/12 , B04B11/02 , B04B2005/125 , B04C2009/007
摘要： A centrifugal separator for separation of particles from a gas stream is disclosed. The centrifugal separator includes a self-supporting frame for mounting inside an existing vessel for guiding the gas stream. The frame comprises a holder configured to hold the frame at a position inside the vessel, and a first partition for dividing the vessel into a first section and a second section. The first section is upstream of the second section. The separator includes a gas inlet communicating with the first section, and a gas outlet communicating with the second section. A centrifugal rotor is arranged to be rotatably supported in the frame around a rotational axis, the rotor having a first and a second end portion and including a plurality of separation plates defining separation passages between the plates. The centrifugal separator is configured such that the first and second sections communicate via the separation passages of the rotor.

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