公开(公告)号：EP2994567A1

公开(公告)日：2016-03-16

申请号：EP14795236.0

申请日：2014-04-30

申请人： Valmet AB

发明人： LÖVGREN, Hans ,  FÄLLMAN, Johan

IPC分类号： D21C9/06 ,  B01D33/067 ,  D21C9/18

CPC分类号： B01D33/37 ,  B01D33/073 ,  B01D33/646 ,  D21C9/06 ,  D21C9/18

摘要： The invention is related to an apparatus for washing and/or dewatering pulp, the apparatus comprising two rotatable press rolls (202, 204) with a nip (238) between, each press roll (202, 204) including an axis (203, 205), a mantle element (206, 208) with permeable outer and inner surfaces, an axial inner drum (222, 224), and radial walls (226, 228, 230, 232) arranged between the mantle element (206, 208) and the axial inner drum (222, 224), so that axial filtrate channels (210, 212) are created between the mantle element (206, 208), the axial inner drum (222, 224) and the radial walls (226, 228, 230, 232), which filtrate channels (210, 212) are arranged to receive filtrate from the pulp. According to the invention, each press roll (202, 204) is arranged to rotate with a direction of rotation (R
1 , R
2 ), so that the pulp is arranged to be fed upwards through the nip (238); and in that at least one filtrate channel (210, 212) is provided with an oblique wall (241) between a radial wall (226, 228, 230, 232) and the mantle element (206, 208), which oblique wall (241) points in the same direction as the direction of rotation (R
1 , R
2 ) to prevent the flow of liquid from the filtrate channel (210, 212) to the outer surface of the mantle element (206, 208).

公开(公告)号：EP3512997A1

公开(公告)日：2019-07-24

申请号：EP17851180.4

申请日：2017-09-11

申请人： Valmet AB

发明人： ORGÅRD, Jonas ,  LÖVGREN, Hans ,  NORBERG, Stefan ,  ERIKSSON, Hans-Olof ,  ÖHRSTRÖM, Peter

IPC分类号： D21C9/06 ,  D21C9/18

公开(公告)号：EP2943613A1

公开(公告)日：2015-11-18

申请号：EP13871274.0

申请日：2013-12-19

申请人： Valmet AB

发明人： LÖÖF, Tobias ,  PETTERSSON, Patrik ,  ORGÅRD, Jonas ,  LÖVGREN, Hans ,  WALLIN, Per ,  NYKVIST, Peter ,  MAGNUSSON, Jonas

IPC分类号： D21C9/18 ,  D21C9/06 ,  B01D33/72 ,  D21D1/40 ,  D21F1/02 ,  D21F1/04

CPC分类号： D21F1/66 ,  D21C9/06 ,  D21C9/18 ,  D21D1/40 ,  D21F1/74

摘要： The invention relates to an apparatus (100) for washing and/or dewatering of cellulose pulp, which apparatus (100) comprises a first movable permeable surface (21); a pulp transportation chamber wall (22) and a pulp transportation chamber (25), which pulp transportation chamber (25) has a chamber gap width (Wv) between the pulp transportation chamber wall (22) and the first movable permeable surface (21); and a pulp distribution device (10) comprising an inlet (11) and an outlet (12), which pulp distribution device (10) is arranged to distribute pulp through its outlet (12) onto the first movable permeable surface (21).According to the invention the pulp transportation chamber (25) is provided with a local throttle (31) having a throttle gap width (Wt), near the outlet (12) of the pulp distribution device (10),and in that a second permeable surface (14) for initial dewatering is provided before the local throttle (31).

公开(公告)号：EP2900865B1

公开(公告)日：2017-09-27

申请号：EP13840460.3

申请日：2013-07-04

申请人： Valmet AB

发明人： LÖVGREN, Hans ,  PETTERSSON, Patrik ,  LÖÖF, Tobias

IPC分类号： D21C9/02 ,  B05B1/34 ,  B05C5/02 ,  D21D1/40

CPC分类号： D21D1/40

公开(公告)号：EP2900865A1

公开(公告)日：2015-08-05

申请号：EP13840460.3

申请日：2013-07-04

申请人： Valmet AB

发明人： LÖVGREN, Hans ,  PETTERSSON, Patrik ,  LÖÖF, Tobias

IPC分类号： D21C9/02 ,  B05B1/34 ,  B05C5/02

CPC分类号： D21D1/40

摘要： The invention relates to a liquid distributor (10) in an apparatus (1 GO) for washing cellulose pulp, where pulp transported in a vat (5), said liquid distributor (10) comprising an inlet (12), a first flow redirecting wall (14), an outlet (13) arranged to output the liquid into the vat chamber (8), and a channel (11) with a first channel section (11a), placed between the inlet (12) and the first flow redirecting wall (14), and with a second channel section (11b), placed between the first flow redirecting wall (14) and the outlet (13). The second channel cross section area (A21+A22) is everywhere larger than the first, channel cross section area (A1). The liquid distributor (10) further comprises a second flow redirecting wall (15), and a third channel section (11c) in the channel (11) placed between the second flow redirecting wall (14) and the outlet (13). The third channel cross section area (A3, A3') is everywhere larger than the second channel cross section area (A21+A22).

摘要翻译： 本发明涉及一种用于清洗纤维素纸浆的装置（1 GO）中的液体分配器（10），其中在桶（5）中输送的纸浆，所述液体分配器（10）包括入口（12），第一流动重定向壁 （14），布置成将液体输出到大桶室（8）中的出口（13）和具有第一通道部分（11a）的通道（11），该通道设置在入口（12）和第一流动重定向壁 （14），以及设置在第一流动重定向壁（14）和出口（13）之间的第二通道部分（11b）。 第二通道横截面积（A21 + A22）至少比第一通道横截面积（A1）大。 液体分配器（10）还包括位于第二流动重定向壁（14）和出口（13）之间的通道（11）中的第二流动重定向壁（15）和第三通道部分（11c）。 第三通道横截面积（A3，A3'）比第二通道截面积（A21 + A22）处处大。