• 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:
    Device (1) for washing the wool comprising: - at least one first (2), a second (3) and a third (4) washing tank arranged in series to define a path and a direction for crossing the wool from said at least a first tank (2) to the said at least one third tank (4), each containing a washing fluid; - at least one wool handling device (5) for each of said at least one first (2), a second and a third washing tank; each wool handling device comprises a plurality of teeth and is able to move cyclically for a forward path and a return path; in said forward path the plurality of teeth of said movement device is immersed at least partially in the washing liquid and runs through the relative washing tank in a direction in accordance with the direction of crossing of the wool and wherein in said return path the plurality of teeth of said movement device travels through the relative washing tank in a direction opposite to the direction in which the wool passes; - at least one countercurrent circuit able to push in each washing tank the said washing fluid in countercurrent with respect to the path and the direction in which the wool passes; - at least three upper rollers (7´) of squeezing each arranged upstream of each washing tank.
    公开号:CH710673A2
    申请号:CH00056/15
    申请日:2015-01-16
    公开日:2016-07-29
    发明作者:Longhi Renzo；Bisi Marcel
    申请人:Associazione Pro Verzasca；
    IPC主号:
    专利说明:

    Field of invention
    [0001] The present invention concerns the field of wool processing and in particular a device for washing raw wool.
    Technical Note
    [0002] As is known, a process of working wool from farms involves the stages of: shearing; storage; unpacking; washing and drying. The washing phase can be considered as the heart of the entire transformation process, in fact the final quality of the wool depends on it.
    [0003] The washing phase has remained almost unchanged in recent decades and involves the use of numerous tanks.
    [0004] Normally, the washing systems provide for the use of:• unpacking machinery;• machinery for opening the wool flock;• machinery for feeding the washing line;• 6 tanks;• 8/6 dryers.
    [0005] The entire washing line can reach lengths of about 80 meters. The Applicant has observed that the use of numerous washing tanks of important dimensions in addition to having excessive dimensions, with the associated problems of space and structure costs, implies an enormous energy expenditure due to the necessary quantity of washing fluid and does not respond. the need for traceability and personalization of the wool product required today by the zero kilometer market.
    [0006] The Applicant has also observed that traditional systems use high-temperature washing fluids, generally higher than 65 ° C, which imply further energy expenditure and a significant environmental impact for their disposal.
    [0007] The Applicant has therefore found the need to provide a new device for washing the raw wool which is compact, which allows to use low temperature washing fluids, which at the same time can allow an important energy saving and allows to maintain the traceability and personalization of small lots minimum 3 kg.
    Summary of the invention
    [0008] Therefore, in a first aspect thereof the invention relates to a device for washing wool, in particular raw wool, comprising: -at least a first, a second and a third washing tank arranged in series to define a path and a direction through which the wool passes from said at least one first tank to said at least one third tank, each containing a washing fluid;- at least one wool handling device for each of said at least one first, second and third washing tank; each wool handling device comprises a plurality of teeth and is able to move cyclically for a forward path and a return path; in said forward path the plurality of teeth of said movement device is immersed at least partially in the washing fluid and runs through the relative washing tank in a direction in accordance with the direction of crossing of the wool and wherein in said return path the plurality of teeth of said movement device travels through the relative washing tank in a direction opposite to the direction in which the wool passes;- at least one countercurrent circuit able to push in each washing tank the said washing fluid in countercurrent with respect to the path and the direction in which the wool passes;- at least three upper squeezing rollers each positioned upstream of each washing tank.
    [0009] The present invention, in the aforementioned aspect, can have at least one of the preferred characteristics which are described below.
    [0010] Preferably, the said at least one first, second and third washing tank comprise at least one device for placing ultrasounds in the washing fluid.
    [0011] Advantageously, the device according to the present invention comprises at least three countercurrent circuits each suitable for pushing in each tank the said washing fluid in countercurrent with respect to the path through which the wool passes; each countercurrent circuit comprising at least one accumulation tank of the washing fluid; at least one delivery duct between said accumulation tank and a washing tank; at least one return duct; at least one pump for sending washing fluid to said washing tank, at least one opening for introducing the washing fluid into said washing tank.
    [0012] Conveniently, each counter-current unit can comprise a group for adjusting the pressure of the washing fluid.
    [0013] Preferably, each storage tank comprises a heating and temperature control device for the washing fluid. Conveniently, the washing device comprises means for adjusting the speed and the path of the wool handling device. Conveniently, each storage tank comprises a filtering element.
    [0014] Advantageously, said at least a first, a second and a third washing tank each comprise a filtering group for the washing fluid leaving the tank.
    [0015] Preferably, the filtering unit comprises a filtering element comprising a plurality of parallel slots for the exit of the washing fluids from the washing tank and a fork element comprising a plurality of prongs suitable for cyclically entering said parallel slits. Suitable for removing all the woolen threads which may obstruct the passage of water.
    [0016] Advantageously, each washing tank comprises a wool outlet head bulkhead and a worn wool comb, placed on the upper end of said head bulkhead and adapted to cooperate in the step of extracting the wool with said plurality of teeth of the handling device.
    [0017] Preferably, each movement device comprises a immersion / cleaner element comprising a comb element and a scraper blade adapted to come into contact with the upper wringing roller. Advantageously, at least one countercurrent circuit comprises a decantation tank.
    [0018] Conveniently, the handling devices are placed on an upper carriage to move cyclically solidly thereto.
    Brief description of the drawings
    [0019] Further characteristics and advantages of the invention will appear more clearly from the detailed description of some preferred but not exclusive embodiments of a new device for washing raw wool according to the present invention.
    [0020] This description will be set forth below with reference to the accompanying drawings, provided for indicative purposes only and, therefore, without limitation, in which:fig. 1 <SEP> is a schematic side view of a device for washing raw wool according to the present invention;fig. 2a <SEP> is an enlarged partial schematic view of a detail of a washing tank according to the present invention;fig. 2b <SEP> is a further enlarged schematic partial view of the detail of the washing tank of fig. 2a;fig. 3 <SEP> is an enlarged partial schematic view of a second detail of a washing tank, in particular of the head bulkhead, according to the present invention;fig. 4 <SEP> is an enlarged partial schematic view of the immersion / cleaner element according to the present invention;fig. 5a <SEP> is an enlarged partial schematic view of the scraper blade according to the present invention at the beginning of the engagement with the upper roller; isfig. 5b <SEP> is an enlarged partial schematic view of the scraper blade according to the present invention at the end of the engagement with the upper wringing roller.
    Detailed description of embodiments of the invention
    [0021] With reference to fig. 1 a device for washing the raw wool according to the present invention is identified with the numerical reference 1. In the embodiment shown in fig. 1, the device 1 comprises at least a first 2, a second 3 and a third 4 washing tank arranged in series to define a path and a direction for crossing the wool from the first tank 2 to the third tank 4, each containing a washing fluid . The direction in which the wool passes is shown in fig. 1 with arrow F.
    [0022] The three washing tanks 2,3,4 are substantially the same in size and made of steel.
    [0023] Each tank 2,3,4 preferably has a capacity of at least 15 liters.
    [0024] Preferably, each washing tank 2, 3, 3 has a dimension in the direction of passage of the wool greater than 40 cm, preferably greater than 50 cm, however less than 200 was.
    [0025] Each washing tank 2,3,4 comprises a device for introducing ultrasounds into the washing fluid, not shown in the figures. Preferably, the ultrasonic introduction device comprises at least three input heads, preferably arranged at the bottom of the washing tank, each head being able to emit ultrasounds between 25 000 to 60,000 Hz.
    [0026] Between a washing tank 2,3,4, and the next one there is a pair of squeezing rollers 7, through which the wool passes to be squeezed out of a washing tank 2,3,4, and be introduced in the following tank. Each pair of squeezing rolls 7 comprises an upper roller 7 osti and a lower roller 7 osti ́ opposite through which the wool passes.
    [0027] Preferably, in the embodiment shown in the figure, the squeezing rolls 7 extend transversely for at least 50% of the width of the washing tub 2,3,4.
    [0028] The squeezing rollers 7 preferably have a radius R greater than 25 mm. Preferably, each pair of wringing rollers 7 has a device for adjusting the pressure of the upper roller 7 ́ on the lower roller 7 ́ ́.
    [0029] The lower roller 7 ́ can be made or covered with non-stick material. Still with reference to the embodiment shown in the figures, it is specified that even downstream of the third tank 4 there is a further pair of wringing rollers 7.
    [0030] The squeezing rollers 7 are motorized rollers and move synchronously with the teeth 12 of the wool handling device 5 better described below. Each washing tank 2,3,4 has, in fact, a wool handling device 5 able to extract the wool from the pair of squeezing rollers 7 positioned upstream of the tank 2,3,4 to carry it out of the tank itself and into input to the pair of rollers 7 of subsequent squeezing.
    [0031] The three wool handling devices 5 of the embodiment are substantially identical, in the present drawing reference will therefore be made to one of the three wool handling devices 5, it being understood that what has been said also applies to the remaining handling devices 5.
    [0032] All three wool handling devices 5 are fastened to a carriage 21 above the three washing tanks 2,3,4 and move integrally with it. Each handling device 5 comprises a plurality of teeth 12 and is able to move cyclically for a forward path and a return path, in the forward path the plurality of teeth 12 of the handling device 5 is at least partially immersed in the washing liquid and runs through the relative washing tank 2,3,4 in a direction consistent with the direction in which the wool passes, indicated by the arrow F in fig. 1, and wherein in the return path the plurality of teeth 12 of the wool handling device 5 is, preferably, emerged from the washing liquid and runs through the relative washing tank in a direction opposite to the direction in which the wool passes.
    [0033] The washing device further comprises means for adjusting the speed and the path of the movement device 5.
    [0034] In other words, it is possible to vary the outward and return path and the speed with which the movement device performs the outward and return journey. The teeth 12 of the aforementioned plurality are arranged in rows and are preferably different depending on the task to be performed.
    [0035] Each movement device 5 preferably therefore comprises three rows of teeth 12 for each tank
    [0036] The three rows of teeth 12 are spaced apart by at least 5 cm.
    [0037] Each tooth 12 appears as a bar preferably of circular cross-section that extends perpendicularly to the direction of crossing of the wool, indicated by the arrow F, for at least 15 cm, preferably for at least 30 cm. Each tooth 12 has a radius r in the range between 3 and 8 mm.
    [0038] The teeth 12 of each row are spaced apart from each other by a distance d included in the interval between 3 and 8 cm extremes included. The distance d is preferably measured from the center of the straight section of the teeth 12. Preferably, the teeth 12 are made of aluminum, but can be made of another non-oxidizable material. Each wool handling device 5 also has a immersion / cleaning element 23 comprising a comb element 10 and a scraper blade 11 adapted to come into contact with the upper roller 7 wringing. The scraper blade 11 is supported by an arm 24 connected to the first row of teeth 12 and extends transversely for at least 50% of the width of the upper roller 7.
    [0039] Advantageously, the scraper blade 11 is shaped and positioned to come into contact with the upper squeeze roller 7 ́ in order to clean it, exploiting the rotary movement of the roller itself and the cyclic round-trip path of the wool handling device 5.
    [0040] The scraper blade 11 is made of elastic material, preferably of rubber.
    [0041] The scraper blade 11, when not in contact with the upper roller 7 estende extends in a plane parallel to the direction of advancement of the raw wool.
    [0042] In the embodiment shown in the figure below the scraper blade 11 a comb-like element 10 composed of a plurality of second teeth 10 ad adapted to come into contact with the wool coming out from the wringing rollers extends orthogonally to this. upper 7 ́ to grasp the wool present on the entry surface in the washing tank and remove it cooperating with the scraper blade 11 which comes into contact with the upper roller subsequently to the comb element 10.
    [0043] The wool is then pulled and immersed in the washing liquid to a depth mainly greater than 3 cm.
    [0044] In the embodiment shown in the figure each washing tank 2, 3, 4 has a head bulkhead 8 and a comb 9 of worn wool. The head bulkhead 8 extends vertically over the entire width of the washing tub 2, 3, 4.
    [0045] The head bulkhead 8 does not extend vertically throughout the depth of the washing tank 2, 3, 4, but nevertheless has an extension greater than 70% of the depth of the tank. As best shown in fig. 3 there is also an opening 14 for introducing the washing fluid into the washing tank 2, 3, 4. The opening 14 for inlet of the washing fluid is arranged in the washing tank so as to introduce the fluid of washing directly between the head bulkhead 8 and the second end wall of the washing tub 2, 3, 4.
    [0046] The head bulkhead 8 is close to the second head of the washing tank 2, 3, 4. For the second head of the washing tank 2, 3, 4 is understood that which meets the direction of crossing of the second wool, is worth to say later to the first.
    [0047] The head bulkhead 8 allows to reduce / create the turbulence of the washing fluid introduced into the washing tank 2, 3, 4.
    [0048] The head bulkhead 8 in turn has inlet holes 27 of the washing fluid in the remaining part of the washing tank 2, 3, 4.
    [0049] The inlet holes 27 can vary in number from two to twenty and can have a section in the range between 15 mm <2> to 300 mm <2>. The inlet holes 27 are located just below the free surface of the washing fluid, for this purpose they are placed at a depth p with respect to the upper end of the head bulkhead 8, preferably less than 15 cm, in any case greater than 2 cm .
    [0050] The woolen comb 9 located on the upper end of the said head bulkhead 8 is shaped and arranged to cooperate with the plurality of teeth 12 of the movement device.
    [0051] The used wool comb 9 has a plurality of teeth 9 which extend inclined in the direction of the upper squeezing roller 7.
    [0052] The teeth 9 ́ are tapered away from the head bulkhead 8. The pentine 9 through its teeth 9 ́ prevents the raw wool from being drawn back by the teeth 12 during the return path of the wool handling device 5 .
    [0053] The wool washing device 1 according to the present invention also has at least one countercurrent circuit 13 able to push the washing fluid in countercurrent with respect to the path and direction of each washing tank 2, 3, 4 crossing of the wool, indicated by the arrow F.
    [0054] In the embodiment shown in the figures, there are at least three countercurrent circuits 13 each able to push the washing fluid in countercurrent with respect to the path through which the wool passes in each washing tank 2, 3, 4.
    [0055] Each countercurrent circuit 13 has at least one accumulation tank 34, 35, 36 of the washing fluid; at least one delivery duct between the accumulation tank and a washing tank; at least one return duct; at least one pump for sending the washing fluid to the washing tank 2,3,4, and at least one opening for inlet of the washing fluid inside the washing tank. To avoid clogging of the return pipe, each washing tank 2, 3, 4 comprises at least one filtering unit 17, preferably two, of the washing fluid exiting the washing tank 2, 3, 4, shown in detail in Figs. 2 and 3. The washing fluid leaving the washing tank 2,3,4 is sent to one or more storage tanks 34, 35, 36.
    [0056] Each filtering unit 17 comprises a filtering element comprising a plurality of parallel slots 18 for the exit of the washing fluids from the washing tank 2, 3, 4 and a fork element comprising a plurality of prongs 19 adapted to enter and cyclically clean the parallel cracks 18.
    [0057] For this purpose the prongs 19 are supported by an arm 20 which extends from the upper carriage 21 and moves integrally with this and with the movement devices 5.
    [0058] The plurality of slit 18 are placed in each washing tank 2, 3, 4 at a side wall directly downstream of the squeezing rollers 7. The plurality of slits 18 is fluidically connected to the return duct from the tank of washing 2, 3, 4 to the accumulation tank 34, 35, 36 of the counter-current circuit 13.
    [0059] In the embodiment shown in the figures each accumulation tank 34, 35, 36 comprises a device for heating the washing fluid, not shown in the figures, for heating the washing fluid to a temperature between 40 ° and 90 ° . The heating device for this purpose can comprise heating means, such as a coil, and temperature sensors.
    [0060] Each accumulation tank further comprises a filtering element, not shown in the figure.
    [0061] Each accumulation tank can have a detergent or soap release device, not shown in the figure.
    [0062] In the embodiment shown in the figures there is also a settling tank 37, located upstream and connected to the first accumulation tank 34.
    [0063] The settling tank 37 and the accumulation tanks 34, 35, 36, again with reference to the embodiment shown in the figures, is located below the washing tanks 2, 3, 4.
    [0064] The present invention has been described with reference to some embodiments. Various modifications can be made to the embodiments described in detail, while remaining within the scope of protection of the invention, defined by the following claims.
    权利要求:
    Claims (12)
    [1]
    1. Device (1) for washing wool comprising- at least one first (2), a second (3) and a third (4) washing tank arranged in series to define a path and a direction of crossing of the wool (F) from said at least one first tank (2) to said at least one third tank (4), each containing a washing fluid;- at least one wool handling device (5) for each of said at least one first (2), a second (3) and a third (4) washing tank; each wool handling device (5) comprises a plurality of teeth (12) and is able to move cyclically for a forward path and a return path; in said forward path the plurality of teeth (12) of said movement device is immersed at least partially in the washing fluid and runs through the relative washing tank in a direction in accordance with the direction of crossing of the wool (F) and in which in said path in return the plurality of teeth (12) of said wool handling device (5) runs along the relative washing tank in a direction opposite to the direction in which the wool passes;- at least one countercurrent circuit (13) adapted to push in each washing tank (2, 3, 4) the said washing fluid in countercurrent with respect to the path and the direction in which the wool passes;- at least three upper squeezing rollers (7), each positioned upstream of each washing tank (2, 3, 4).
    [2]
    2. Device (1) for washing wool according to claim 1, characterized in that said at least one first (2), a second (3) and a third washing tank (4) comprise at least one device for placing of ultrasounds in the washing fluid.
    [3]
    3. Device for washing the wool according to claim 1, characterized in that it comprises at least three countercurrent circuits (13), each adapted to push in each washing tank the said washing fluid in countercurrent with respect to the path through which the wool passes ; each circuit comprising at least one accumulation tank of the washing fluid (34, 35, 36); at least one delivery duct between said accumulation tank and a washing tank; at least one return duct; at least one pump for sending washing fluid to said washing tank (2, 3, 4), at least one opening (14) for injecting the washing fluid into said washing tank (2, 3, 4).
    [4]
    4. Device (1) for washing wool according to claim 3, characterized in that each accumulation tank (34, 35, 36) comprises a heating device for the washing fluid and temperature control.
    [5]
    5. Device (1) for washing wool according to claim 3, characterized in that each accumulation tank (34, 35, 36) comprises a filtering element.
    [6]
    6. Device (1) for washing wool according to claim 1, characterized in that said at least one first (2), a second (3) and a third washing tank (4) comprise each a filtering group (17 ) of the washing fluid exiting the washing tank (2, 3, 4).
    [7]
    7. Device (1) for washing wool according to claim 1, characterized in that said filtering unit (17) comprises a filtering element comprising a plurality of parallel slits (18) for the exit of the washing fluids from the tank washing (2, 3, 4) and a fork element comprising a plurality of prongs (19) able to enter and cyclically clean the said parallel slots (18).
    [8]
    8. Device (1) for washing wool according to claim 1, characterized in that each washing tank (2, 3, 4) comprises a wool outlet head bulkhead (8) and a wool exit comb (9 ), placed on the upper end of said head bulkhead (8) and able to cooperate with said plurality of teeth (12) of said movement device (5).
    [9]
    9. Device (1) for washing wool according to claim 1, characterized in that each movement device (5) comprises a immersion / cleaning element (23) comprising a comb element (10) and a scraper blade (11 ) designed to come into contact with the aforementioned squeezing roller (7).
    [10]
    10. Device (1) for washing wool according to claim 3, characterized in that said at least one countercurrent circuit (13) comprises a decantation tank (37).
    [11]
    11. Device for washing wool according to claim 1, characterized in that said movement devices (5) are placed on an upper carriage (21) to move cyclically integrally to this.
    [12]
    12. Device for washing wool according to claim 1, characterized in that it comprises means for adjusting the speed and the path of the wool handling device.
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    同族专利:
    公开号 | 公开日
    CH710673B1|2018-08-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    2019-04-30| PCAR| Change of the address of the representative|Free format text: NEW ADDRESS: PIAZZETTA SAN CARLO 2, 6900 LUGANO (CH) |
    优先权:
    申请号 | 申请日 | 专利标题
    CH00056/15A|CH710673B1|2015-01-16|2015-01-16|Wool washing device.|CH00056/15A| CH710673B1|2015-01-16|2015-01-16|Wool washing device.|
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