• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    In a disintegrating device for disintegrating compressed fiber bales, for example cotton bales and viscose staple fibers and the like, disintegrating discs or needles are provided with fast-rotating disintegrating drums that engage with the grate, the grates of which are located between the grating discs and the grate wheels with face teeth or needles, with a movable loosening device and fixed bales of fiber in contact with each other and a tooth Sagging discs or needles penetrate from above into fiber bales. Summary of the Invention; In order to provide better performance and achieve even removal, installation means are provided for vertically moving the dispensing drums relative to each other and moving forward and backward during dismounting. The disintegrating discs penetrate the bales of fiber to different depths, respectively. 6 hp f-ly, 13 ill. with s
    公开号:SU1732818A3
    申请号:SU894614558
    申请日:1989-07-26
    公开日:1992-05-07
    发明作者:Тембург Йозеф
    申请人:Трютцшлер Гмбх, Унд Ко. Кг (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to a disintegrator for loosening compressed fiber bales, such as cotton bales and viscose staple fibers and the like.
    Known loosening device in which the parallel axis loosening drums are directed horizontally relative to each other. In reciprocating motion, loosening drums penetrate equally deeply into the surface of the fiber bale during the removal. Spinning drums rotate in the opposite direction,
    and the drums in the surface area of the bales move towards each other. If the crushing drums move in the same direction during the takeoff, then both the crushing drums remove a different amount (output) from the bales of fiber, with one crushing drum working in the direction of passing milling, and the other crushing drum - in the direction of counter milling.
    The purpose of the invention is to increase productivity with an even selection of fiber from bales.
    4j
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    Editor V. Danko
    FIG. 13
    Compiled by G. Shishkin Tehred M. Morgental
    Order 1592 Circulation: Subscription
    VNIIPI State Committee for Inventions and Discoveries at the State Committee on Science and Technology of the USSR 113035, Moscow, Zh-35, 4/5 Raushsk nab.
    Production and Publishing Combine Patent, Uzhgorod, Gagarin st., 101
     32d32e 32G
    Proofreader T. Paly
    Date: 05/22/2001
    Number of pages: 10
    Previous document: SU 1732818A3
    Next Document: SU 1732820A3
    UNION OF SOVIET
    SOCIALIST
    REPUBLIC
    STATE COMMITTEE
    BY INVENTIONS AND OPENINGS
    AT GKNT USSR
    DESCRIPTION OF THE INVENTION
    TO PATENT
    one
    (21) 4355036/12 (22) 16.12.87 (31) 865136
    (32) 12/17/86
    (33) FI (46) 05/07/92. Bul Number 17
    (71) A. Alstrem Corporation (FI)
    (72) Kai Henrikson (FI) (53) 676.1.025 (088.8)
    (56) US Patent No. 4421646, cl. 210-291, 1983.
    U.S. Patent No. 2998064, Cl. 162-251,1963.
    Patent of the USSR Mg 1074409, cl. D 21 C 9/02, 1976.
    (54) METHOD OF TENSION OF FIBROUS SUSPENSION AND DEVICE FOR IMPLEMENTING IT
    (57) The invention relates to a technique for thickening fibrous suspensions and may be
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    used in the pulp and paper industry. The purpose of the invention is to increase the efficiency of the process. The initial fibrous suspension of a certain concentration is fed into the thickening element 1 through the inlet 5 to the flow channel of the suspension 2, when moving along which the filtrate separates the filtrate from the suspension through the surfaces 3 under the influence of pressure difference. The required pressure difference on the filtering surfaces 3 covered by the casing 7 is created either by the hydraulic pressure created by the suspension itself, or by the pressure of the feed pump, or by suction created separately, or by a combination of these methods. The thickened suspension is discharged from the device through the outlet 6, and the filtrate is discharged through a pipe equipped with a valve 9. 2 s and 7 hp, f-crystals, 9 sludge.
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    The invention relates to a technique for thickening fibrous suspensions and can be used in the pulp and paper industry.
    A known method of separating the liquid phase from the suspension and a device for its implementation is a tubular filter comprising several superposed layers of mesh plates, between which there is a material for separating the liquid phase from the suspension and fine filtration of the latter.
    This technical solution is designed to separate water and other liquid substances from the solid component, but it cannot be used to thicken the fibrous suspension, since the long fraction of the fibrous suspension will be collected in the mesh plates and the fine filter material between the plates. will be clogged with a fine fraction of the fiber suspension.
    There is also known a method for thickening a suspension consisting of a crumb and a liquid by separating the filtrate under the influence of a differential pressure and a device for its implementation in the form of a tubular thickener. The walls of the thickener consist of ribs parallel to the suspension flow, between which there are gaps so small that solid particles do not penetrate into them. The diameter at the inlet of the thickener channel corresponds to the outer diameter of the thickener, therefore even those solid particles that have fallen into the gaps between the ribs are carried away by the flow, which eliminates clogging of the thickener.
    The disadvantage of this technical solution is the complexity of the thickening process, since the filtering surface of the thickener is formed by freely spaced rods, which requires extremely high accuracy and thoroughness of their manufacture and assembly when forming slots of equal flow area.
    Closest to the invention is a method of thickening a fibrous suspension by separating the filtrate under the influence of a pressure difference acting on the filtering surfaces, including feeding the fibrous suspension to the channel formed by the filtering surfaces, separating the filtrate when the suspension moves through the channel in the form of a piston flow, consisting of a multidimensional fiber mesh, and controlling the amount of filtrate withdrawn and the flow rate of the slurry through the channel by adjusting the pressure difference across the filter surfaces so that the internal friction of the suspension in the flow exceeds the surface friction of the flow and the filtering surface, and a device for its implementation, containing a thickening element having a suspension flow limited by the filtering surfaces, installed in the thickening element
    0, the distribution element, bounding together with the walls of the condensing element, the cross-sectional area of the condensing element in such a way that the cross section of the suspension flow channel has a circular shape.
    The disadvantage of this technical solution is that the movement of the suspension in the thickening process is carried out with the stops necessary to bring
    0 the action of the means of washing the filtering surfaces of the thickening element, which significantly reflects on the effectiveness of the method being implemented,
    The aim of the invention is to increase the efficiency of the process.
    The goal is achieved by the fact that in the method of thickening a fibrous suspension by separating the filtrate under the influence of the pressure difference acting on the filtering surface, including the supply of the fibrous suspension to the channel formed by the filtering surfaces, the filtrate separates when the suspension moves through the channel in the form of a piston 5 current, consisting of a multidimensional fiber mesh, and controlling the amount of filtrate discharged and the flow rate of the slurry through the channel by adjusting the pressure difference across the filter its surface so that the internal friction in the flow exceeds the surface friction of the flow and the filtering surface, the separation of the filtrate is carried out with a continuous or stepwise decrease in the flow rate of the suspension in the direction of its movement through the channel, the separation of the filtrate can be carried out in successive stages, one after the other, between which the suspension is homogenized, while on the surface
    0 sieves can direct high-frequency vibrations to reduce surface friction and eliminate fiber sticking to the sieve surface, and in an apparatus for carrying out the method comprising thickening
    5 element, having at least one flow channel of the suspension, bounded by filtering surfaces, installed in the thickening element, at least one distribution element, bounding together with the walls of the thickening element, the cross-sectional area of the thickening element so that The circular shape, the cross section of the flow channel is made variable, increasing in the direction of movement of the suspension, while the cross sectional area of the flow channel may stepwise or evenly, the thickening element may contain at least two successively distributed distribution elements, and the cross-sectional area of the first element in the direction of movement of the suspension is larger than that of the second, at least one of the filtering surfaces bounding the suspension flow channel conical and positioned so that the cross-sectional area of the channel increases in the direction of the slurry and at least one of the surfaces bounding the channel may be made flexible in the direction perpendicular to the flow of the suspension.
    Figure 1 presents a graph of the surface and internal friction of the suspension from its concentration; Fig. 2 is a diagram of the effect of perforation size of filtering surfaces on the behavior of fibers near the perforation; Fig. 3 shows a device for thickening a fiber suspension, a longitudinal section; Figs 4-6 are the same; Fig. 7 is a schematic of a device for bleaching fibers; Figure 8 is the same for recycling; Fig. 9 is a graph showing changes in the main parameters during the thickening process.
    The method of thickening the fibrous suspension by separating the filtrate under the influence of the pressure difference is carried out in a device comprising a condensing element 1, having a flow channel of the suspension 2 limited by filtering surfaces 3, installed in the condensing element 1 a distributing element 4, bounding together with the walls 3 of the condensing element 1 the cross-sectional area of the condensing element 1 in such a way that the cross section of the flow channel of the suspension 2 has a circular shape and is made variable, increasing in eg suspension of suspension. The suspension flow channel has an inlet 5 and outlet 6 of the aperture and is enclosed in the section of filtering surfaces 3 by a casing 7 with a filtrate outlet nozzle 8 equipped with a control valve 9. The thickening element 1 may have at least one homogenization zone of the suspension 10 located between two thickening zones 11 and 12, which constructively represents a section of a jump-like change in the cross section of the thickening element 1. and in order to avoid blockage of the flow channel 2, at least one of the filter surfaces 3 is limited channel 2 can be made flexible in the direction perpendicular to the flow
    0 suspension - such a surface passes the lumps and again takes the original position,
    The method is implemented as follows.
    5 The initial fiber suspension of a certain concentration is fed through the inlet 5 to the flow channel of the suspension 2, when moving along which it is separated from the suspension by a piston flow
    0 filtrate through surfaces 3 under the influence of pressure difference. The required pressure difference on the filter surfaces 3 is created either by the hydraulic pressure created by the suspension itself, by the pressure of the feed pump, by suction created separately, or by a combination of these methods. The thickened suspension is withdrawn from the device through the outlet bore 6, and the filtrate through
    0 nozzle 8,
    The movement of the suspension through the channel 2 by the piston flow, i.e. provided that the internal friction of the suspension in the flow exceeds the surface friction of the flow and
    5 of the filtering surface is ensured by the choice of the concentration of the initial suspension, its speed through channel 2 and the size of the perforation of the filtering surfaces 3.
    0 The origin of FIG. 1, where the abscissa axis characterizes the change in the concentration of the suspension, and the ordinate axis shows the friction, and where curves 1 and 3 illustrate the dependence of the friction flow of the suspension and the filtering surface,
    5, respectively, for coarse (up to 1 mm) and fine (about 0.2 mm) perforations, and curves 2 and 4, friction in the slurry flow, respectively, at high and low speeds of flow, to ensure the flow of the piston suspension concentration equal to coarse perforation or fine perforation, while surface friction 3 does not exceed internal friction 2. On the other hand, if the initial suspension concentration and required after thickening are known, if the effect of flow rate on friction is known, then the maximum perforations and the filter surfaces. When the required thickening is not achieved in a device with a specific perforation, the thickening is carried out in stages using successively located in the thickening element 1, distributed more than the surface friction between the flow and the filtering surface, as the filtrate volume constantly increases with increasing pressure difference.
    1732819
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    权利要求:
    Claims (1)
    [1]
    The invention relates to a baking machine for loosening compressed bales of fiber, for example bales of cotton and viscose staple fiber and the like.
    A loosening device is known in which the parallel axes of the loosening drums are directed horizontally relative to each other. During reciprocating movement, the loosening drums penetrate during removal equally deep from above into the surface of the fiber bales. The loosening drums rotate in the opposite direction, and the drums in the bale surface area move towards each other. If the loosening drums move in one direction during removal, then both loosening drums remove a different amount (of production) from the bale of fiber, with one loosening drum working in the direction of passing milling, and the other loosening drum in the direction of onward milling.
    The purpose of the invention is to increase productivity with uniform selection of fibers from bales.
    1732818 AZ
    17328.18
    Editor V. Danko
    Compiled by G. Shishkin
    Tehred M. Morgenthal Corrector T. Paly
    Order 1592 Circulation Subscription
    VNIIIPI State Committee for Inventions and Discoveries under the State Committee for Science and Technology of the USSR 113035, Moscow, Zh-35, Raushskaya nab., 4/5
    Production and Publishing Plant Patent, Uzhhorod, 101 Gagarin St.
    SU 1732819A3
    Batch: N0114220
    Date: 05/22/2001
    Number of pages: 10
    Previous document: SU
    Next document: SU 1732820A3 <„> 511 <., 1732819 AZ
    UNION OF SOVIET SOCIALIST REPUBLICS
    (505 D 21 C 9/06 STATE COMMITTEE ON INVENTIONS AND DISCOVERIES UNDER THE USSR SCST Ϊone
    DESCRIPTION OF THE INVENTION
    TO PATENT (21) 4355036/12 (22) 16.12.87 (31) 865136 (32) 17.12.86 (33) FI (46) 07.05.92. Bull. No. 17 (71) A. Alstrom Corporation (FI) (72) Kai Henrikson (FI) (53) 676.1.025 (088.8) (56) US Patent No. 4421646, cl. 210-291, 1983.
    U.S. Patent No. 2998064, cl. 162-251, 1963.
    USSR patent No. 1074409, cl. D 21 C 9/02, 1976.
    (54) METHOD FOR FILMING FIBER SUSPENSION AND DEVICE FOR ITS IMPLEMENTATION (57) The invention relates to a technique for thickening fibrous suspensions and can be used in the pulp and paper industry. The purpose of the invention is to increase the efficiency of the process. The initial fibrous suspension of a certain concentration is fed into the thickening element 1 through the inlet 5 into the flow channel. Suspension 2, during which the filtrate is separated from the suspension by a piston stream through surfaces 3 under the influence of a pressure difference. The required pressure difference on the filter surfaces'3 covered by the casing 7 is created either by the hydraulic pressure created by the suspension itself, or by the pressure of the feed pump, or by suction created separately, or a combination of these methods. The thickened suspension is discharged from the device through the outlet 6, and the filtrate through a pipe equipped with a valve 9. 2 s and 7 z.p. f-ly, 9 ill.
    FIG. J
    1732819 AZ
    1732819
    The invention relates to a technique for thickening fibrous suspensions and can be used in the pulp and paper industry,
    A known method of separating the liquid phase from the suspension and a device for its implementation, which is a tubular filter, comprising several layered mesh plates, between which there is a material for separating from the suspension of the liquid phase and fine filtering the latter.
    This technical solution is designed to separate water and other liquid substances from the solid component, however, it cannot be used to thicken the fibrous suspension, since the long fraction of the fibrous suspension will be collected in the mesh plates, and the fine filter material located between the plates will become clogged fine fraction of fibrous suspension.
    There is also known a method of thickening a suspension consisting of crumbs and liquid by separating the filtrate under the influence of a pressure difference and a device for its implementation in the form of a tubular thickener. The thickener walls consist of ribs parallel to the suspension flow, between which there are gaps so small that solid particles do not penetrate into them. The diameter at the inlet of the thickener channel corresponds to the outer diameter of the thickener, therefore, even those solid particles that fall into the cracks between the ribs are carried away by the flow, which eliminates clogging of the thickener.
    The disadvantage of this technical solution is the complexity of the thickening process, since the filtering surface of the thickener is formed by freely spaced rods, which requires extremely high accuracy and thoroughness of their manufacture and assembly during the formation of slots of equal cross section.
    Closest to the invention is a method of thickening a fibrous suspension by separating the filtrate under the influence of the pressure difference acting on the filter surface, including supplying the fibrous suspension to the channel formed by the filtering surfaces, separating the filtrate when the suspension moves along the channel in the form of a piston flow, consisting of a multidimensional fiber mesh , and controlling the amount of filtrate discharged and the flow rate of the suspension through the channel by adjusting the pressure difference across the filter so that the internal friction of the suspension in the stream exceeds the surface friction of the stream and the filter surface, and a device for its implementation, containing a thickening element having a suspension flow channel bounded by filter surfaces, a distribution element installed in the thickening element, limiting the area together with the walls of the thickening element the cross section of the thickening element in such a way that the cross section of the suspension flow channel has a circular shape.
    The disadvantage of this technical solution is that the suspension moves during the thickening process with the stops necessary to activate the means of washing the filter surfaces of the thickening element, which significantly affects the efficiency of the implemented method. .
    The aim of the invention is to increase the efficiency of the process.
    This goal is achieved in that in the method of thickening the fibrous suspension by separating the filtrate under the influence of the pressure difference acting on the filter surface, including supplying the fibrous suspension to the channel formed by the filtering surfaces, separating the filtrate when the suspension moves along the channel in the form of a piston flow, consisting of a multidimensional fiber mesh, and controlling the amount of filtrate removed and the flow rate of the suspension along the 'channel by adjusting the pressure difference across the filter surfaces so that the internal friction in the flow exceeds the surface friction of the flow and the filtering surface, the filtrate is separated by continuously or stepwise lowering the flow rate of the suspension in the direction of its movement along the channel, the filtrate can be separated in successive steps, one after another, between which the suspension is homogenized while high-frequency vibration can be directed to the sieve surface to reduce surface friction and eliminate the adhesion of fibers to the sieve surface, and in the device TBE for implementing the method comprising a thickening element having at least one channel suspension flow, limited surface of the filter installed in the thickening element, at least one distributor element defining, together with walls
    1732819 by the thickening element, the cross-sectional area of the thickening element is such that the cross section of the flow channel of the suspension has a circular shape, the cross-section of the flow channel is made variable, increasing in the direction of movement of the suspension, while the cross-sectional area of the flow channel can increase stepwise or uniformly, the thickening element can contain at least two consecutively distributed distribution elements, the cross-sectional area of the first in the direction of movement of the slurry This element is larger than the second one, at least one of the filtering surfaces restricting the suspension flow channel can be conical and arranged so that the cross-sectional area of the channel increases in the direction of suspension movement and at least one of the surfaces restricting the channel can be made flexible in the direction perpendicular to the flow of the suspension.
    Figure 1 presents a graph of the dependence of the surface and internal friction of the suspension on its concentration; figure 2 diagram of the influence of the size of the perforation of the filtering surfaces NS the behavior of the fibers near the perforation; in Fig.3 a device for thickening a fibrous suspension, a longitudinal section; see 4-6, the same options for execution; 7 is a diagram of a device for bleaching fibers; Fig.8 is the same for waste treatment; Fig.9 is a graph of changes in the main parameters during the thickening process.
    The method of thickening a fibrous suspension by separating the filtrate under the influence of a pressure difference is carried out in a device including a thickening element 1 having a suspension flow channel 2 limited by filter surfaces 3, a distribution element 4 installed in the thickening element 1, together with the walls 3 of the thickening element 1, defining the transverse area section of the thickening element 1 in such a way that the cross section of the flow channel of the suspension 2 has a circular shape and is made variable, increasing in the direction the motion of the suspension. The suspension flow channel has an inlet 5 and an outlet 6 openings and is covered on a portion of the filtering surfaces 3 by a casing 7 with a filtrate outlet 8 provided with a control valve 9. The thickening element 1 may have at least one homogenization zone of the suspension 10 located between two thickening zones 11 and 12 and structurally representing a section of a spasmodic change in the cross section of the thickening element 1. and 5 in order to prevent clogging of the flow channel 2, at least one of the filter surfaces 3, limits lev els flow channel 2 may be made flexible in the direction. perpendicular to the stream 10 of the suspension - this surface passes lumps and again takes its original position,
    The method is implemented as follows.
    15 The initial fibrous suspension of a certain concentration is fed through the inlet 5 into the channel of the suspension flow 2, when moving along which a 20 filtrate is separated from the suspension by a piston flow through surfaces 3 under the influence of a pressure difference. The required pressure difference on the filter surfaces 3 is created either by hydraulic pressure created by the suspension itself, or by the pressure of the feed pump, or by suction created separately, or a combination of these methods. The thickened suspension is discharged from the device through the outlet 6, and the filtrate through 30 pipe 8,
    The movement of the suspension along the channel 2 by the piston flow, i.e. provided that the internal friction of the suspension in the stream exceeds the surface friction of the stream and the filter surface 35, it is ensured by the choice of the concentration of the initial suspension, its speed along the channel 2 and the size of the perforation of the filter surfaces 3.
    40 Based on figure 1, where the abscissa axis characterizes the change in suspension concentration, and the ordinate axis - friction, and where curves 1 and 3 illustrate the dependence of the friction of the suspension flow and the filter surface,
    45, respectively, with large (up to G mm) and small (about 0.2 mm) perforations, and curves 2 and 4 show friction in the suspension flow, respectively, at high and low flow velocities, the concentration is chosen to ensure piston flow motion suspension equal for coarse perforation or for fine perforation, while surface friction 3 does not exceed internal friction 2. On the other hand. if the initial concentration of the suspension and the required concentration after thickening are known and if the influence of the flow rate on friction is known, then the maximum perforation of the filtering surfaces is set. When the required thickening is not achieved by mouth
    Ί
    1732819, with a certain perforation, the thickening is carried out in stages using successively distributed in the thickening element 1 distribute more surface friction between the flow and the filter surface, since the filtrate volume constantly increases with increasing pressure difference, however
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    同族专利:
    公开号 | 公开日
    US5136753A|1992-08-11|
    FR2635121A1|1990-02-09|
    GB2222606A|1990-03-14|
    GB2222606B|1992-09-23|
    CH679588A5|1992-03-13|
    US5090091A|1992-02-25|
    GB8917596D0|1989-09-13|
    IT8921204D0|1989-07-17|
    JP2694022B2|1997-12-24|
    EP0358891B1|1993-09-29|
    EP0358891A1|1990-03-21|
    IT1231539B|1991-12-17|
    DE8908276U1|1989-12-14|
    JPH02160925A|1990-06-20|
    ES2014844A6|1990-07-16|
    ES2043980T3|1994-01-01|
    BR8903862A|1990-04-17|
    FR2635121B1|1992-10-16|
    CN1018269B|1992-09-16|
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    引用文献:
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    DE3706268C3|1987-02-26|1995-02-09|Rieter Ingolstadt Spinnerei|Device for processing bales of fiber|
    IN172202B|1988-02-04|1993-05-01|Rieter Ag Maschf|
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    法律状态:
    2010-07-20| REG| Reference to a code of a succession state|Ref country code: RU Ref legal event code: MM4A Effective date: 20080727 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE3826201|1988-08-02|
    DE3913929A|DE3913929C2|1988-08-02|1989-04-27|Opening device for opening pressed fiber bales, e.g. B. cotton and rayon bales u. the like|
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