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公开(公告)号：US12060549B2
公开(公告)日：2024-08-13
申请号：US17156275
申请日：2021-01-22
发明人： Andreas Czwaluk
IPC分类号： C12M1/06 , B01F27/25 , B01F27/704 , B01F27/705 , B01F27/706 , B01F33/81 , B01F35/212 , B01F35/22 , B01F35/221 , C12M1/107 , C12M1/34 , C12M1/36 , C12P1/00 , B01F101/44
CPC分类号： C12M27/02 , B01F27/25 , B01F27/704 , B01F27/705 , B01F27/706 , B01F33/81 , B01F35/212 , B01F35/2202 , B01F35/221422 , C12M21/04 , C12M41/42 , C12M41/48 , C12P1/00 , B01F2101/44 , Y02E50/30
摘要： A method for operating an agitating device and a digester, wherein the digester is filled with a substrate and an agitating device is in the digester. These steps are performed: a) A target load curve is lodged in the control device; b) the control device prescribes a target rotation speed; c) the control device operates the agitating device at an actual speed corresponding to a target speed; d) the control device captures an actual agitating device torque measurement value at the actual speed of rotation; e) the control device derives from the actual measurement value an actual characteristic value of the agitating device applied torque; f) the control device compares the derived actual characteristic value against the target characteristic value of the substrate resulting from the target load curve at the prescribed target speed; and g) the control device controls the agitating device in dependence on the result of comparison.
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2.发明授权公开(公告)号：US11072769B2
公开(公告)日：2021-07-27
申请号：US15035133
申请日：2014-11-07
发明人： Andreas Czwaluk
摘要： Digester (1) having an agitating device (10) and an agitating device (10) and a method for manufacturing an agitating device (10), the agitating device (10) comprising multiple agitator blades (21-29) which agitator blades (11-13) comprise a plurality of blade sections (21-29) angled relative to one another. The blade sections (21-29) of the agitator blade (11-13) are angled relative to one another such that the agitator blade gradient (11-13) decreases with the distance (30) from a central rotational axis (19) increasing to configure the agitator blade in a flow-optimized three-dimensional shape.
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公开(公告)号：US11014056B2
公开(公告)日：2021-05-25
申请号：US15524066
申请日：2015-11-05
发明人： Andreas Czwaluk
摘要： Agitating device (10) for a digester (1) of a biogas plant (100) having a housing (11) and a driving device (12) for rotatably driving the agitator blades (13-15). The driving device (12) comprises a drive shaft (16) and an electric drive motor (20) wherein the drive motor (20) is accommodated sealed in the housing (11). The drive motor (20) comprises an outer, hollow stator (21) and a rotary rotor (22) which is centrally accommodated therein and is configured at least partially hollow. The rotor (22) is rotatably supported at the housing (11) and comprises a coupling device (23) for non-rotatable coupling with the drive shaft (16) to drive the at least one agitator blade (13-15) by means of the drive shaft (16).
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公开(公告)号：US10941377B2
公开(公告)日：2021-03-09
申请号：US15524517
申请日：2015-11-05
发明人： Andreas Czwaluk
IPC分类号： C12M1/06 , B01F13/10 , B01F15/00 , B01F7/00 , C12M1/107 , C12M1/34 , C12M1/36 , B01F7/04 , C12P1/00
摘要： Method for operating an agitating device and a digester wherein the digester (1) is filled with a substrate (7) and wherein an agitating device (10) controlled by a control device (50) is disposed in the digester (1). The following process steps are carried out. a) A target load curve (60) is lodged in the control device (50) b) the control device (50) prescribes a target speed of rotation (61) c) the control device (50) operates the agitating device (10) at an actual speed of rotation (71) corresponding to the prescribed target speed of rotation (61); d) the control device captures an actual measurement value (81) which is characteristic of the torque of the agitating device (10) at the actual speed of rotation (71); e) the control device (50) derives from the actual measurement value (81) an actual characteristic value (91) of the applied torque of the agitating device (10); f) the control device (50) compares the derived actual characteristic value (73) against the target characteristic value (63) of the substrate (7) resulting from the target load curve (60) at the prescribed target speed of rotation (61); g) the control device (50) controls the agitating device (10) in dependence on the result of comparison.
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公开(公告)号：US10508007B2
公开(公告)日：2019-12-17
申请号：US15524291
申请日：2015-11-05
发明人： Andreas Czwaluk , Johann Bierer
摘要： Height adjusting device (1) for adjusting the height of an agitating device (2) in a digester (101) of a biogas plant (100), biogas plant (100) comprising a digester (101), a support unit (10), a displacement member (6), an agitating device (2), and a height adjusting device, and method for operating an agitating device (2). The height adjusting device comprises a housing unit (4), a drum device (5) rotatably accommodated on the housing unit (4), and a displacement member (6). The displacement member (6) is in functional connection with the drum device (5) and the agitating device (2) and the displacement member (6), depending on the direction of rotation of the drum device (5), can be wound onto the drum device (5) or unwound from the drum device (5) in sections, so that the agitating device (2) can be displaced upwardly or downwardly. Furthermore a fixing device (7) is provided which is suitable and configured to fix the drum device (5) at least temporarily to prevent the displacement member (6) from unwinding if the displacement member (6) is not retained tautly between the drum device (5) and the agitating device (2).
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公开(公告)号：US20150291924A1
公开(公告)日：2015-10-15
申请号：US14439881
申请日：2013-10-30
发明人： Andreas Czwaluk , Johann Bierer
CPC分类号： C12M21/04 , B01F7/00741 , B01F15/00694 , B01F2215/0073 , C12M23/00 , C12M23/38 , C12M27/02 , C12M41/42 , Y02E50/343
摘要： Digester of a biogas plant including a digester wall and a digester interior and a digester roof inclined to the horizontal and flexible in design and including an agitator device for stirring a substrate in the digester interior. The agitator device comprises a guiding unit, a support unit, and an adjustable agitating unit accommodated at the guiding unit. The support unit is fastened to the digester wall for supporting the guiding unit. The agitating unit is provided to be height-adjustable and an adjustment device is provided for displacing the agitating unit. The top end of the guiding unit extends up to and beyond a top end of the digester wall and terminates beneath the digester roof within the digester interior.
摘要翻译： 包括蒸煮器壁和蒸煮器内部的沼气设备的消化器以及倾斜于水平且设计灵活的蒸煮器屋顶，并且包括用于在蒸煮器内部搅拌基底的搅拌器装置。 搅拌器装置包括引导单元，支撑单元和容纳在引导单元处的可调节搅拌单元。 支撑单元被固定到消化器壁上以支撑引导单元。 搅拌单元被设置为高度可调节的，并且设置有用于移动搅拌单元的调节装置。 引导单元的顶端延伸到蒸煮器壁的顶端并超出蒸煮器壁的顶端，并终止在蒸煮器内部的蒸煮器顶部下方。
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