EP0121650B1 - Séchoir à bâtons tournants pour écheveaux de fils textiles - Google Patents

Séchoir à bâtons tournants pour écheveaux de fils textiles Download PDF

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Publication number
EP0121650B1
EP0121650B1 EP19840100321 EP84100321A EP0121650B1 EP 0121650 B1 EP0121650 B1 EP 0121650B1 EP 19840100321 EP19840100321 EP 19840100321 EP 84100321 A EP84100321 A EP 84100321A EP 0121650 B1 EP0121650 B1 EP 0121650B1
Authority
EP
European Patent Office
Prior art keywords
rods
tunnel
during
sticks
trip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP19840100321
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German (de)
English (en)
French (fr)
Other versions
EP0121650A1 (fr
Inventor
Jean-Claude Butor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Neu SA
Original Assignee
Neu SA
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Filing date
Publication date
Application filed by Neu SA filed Critical Neu SA
Publication of EP0121650A1 publication Critical patent/EP0121650A1/fr
Application granted granted Critical
Publication of EP0121650B1 publication Critical patent/EP0121650B1/fr
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/122—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of material being carried by transversely moving rollers or rods which may rotate
    • F26B15/124—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of material being carried by transversely moving rollers or rods which may rotate the objects being yarn hanks

Definitions

  • the present invention relates to a dryer of skeins with rotating sticks for textile threads, comprising a drying tunnel, a conveyor moving along said tunnel and serving to support horizontal sticks for hanging skeins, said sticks being animated by a rotational movement around their axis during the passage through the tunnel, the successive sticks rotating in opposite directions.
  • the rotating sticks are removable and are supported at each of their ends by a conveyor.
  • the skeins are threaded onto the sticks removed from the conveyors and the sticks with the skeins are then placed on the conveyors which pass them through the drying tunnel.
  • the sticks are again removed from the conveyors, with the hanks they support, and the hanks are then removed from the sticks.
  • the present invention relates to a dryer allowing efficient and uniform drying of skeins, even heavy, the loading and unloading of skeins involving only reduced efforts on the part of the staff.
  • the invention also relates to a hank dryer on which the operations of loading and unloading of hanks lend themselves to automation.
  • the rotating sticks are permanently mounted cantilevered on an endless conveyor which supports them, at their mounting end, during the outward journey through the tunnel and during the return journey to the outside the tunnel as well as during the passage from one route to another.
  • the rotating sticks have, at their free end, an idler roller bearing on a raceway during the outward journey and possibly during the return journey.
  • the rotating sticks have, moreover, at their mounting end on the conveyor, a loose roller which is supported on a raceway for balancing the sticks, at least between the point of loading of the hanks on the sticks and the start of the outward journey and between the end of the outward journey and the point of unloading the skeins of the sticks,
  • the conveyor advantageously comprises two parallel endless chains supported during the outward journey and during the return journey by raceways and during the passage from one path to the other by idler wheels.
  • the conveyor is driven step by step, each step corresponding to the center distance of the rotating sticks.
  • the tunnel has not only air blowing openings in its upper wall and air extraction openings in its lower wall, but also air blowing openings in its two side walls, at corresponding intervals at the centers of the sticks.
  • air is blown not only from above on and between the hanks hanging on successive sticks, but also inside the hanks, which ensures efficient, rapid and uniform drying of the hanks.
  • the chain drive device step by step advantageously comprises a double-acting cylinder whose piston rod acts on a ratchet wheel secured to one of the pairs of return wheels.
  • each stick carries a pinion engaged with one of two racks extending along the outward journey.
  • the pinions of successive sticks are alternately offset along the axis of the sticks.
  • the two racks are also offset along the axis of the sticks and are installed one below and the other above the axes of the sticks, so that the pinions of one stick out of two are engaged with a rack and the pinions of the other sticks in engagement with the other rack.
  • the bottom wall of the tunnel is here adjustable in height in the manner a lifting table, depending on the length of the skeins.
  • the hanger dryer illustrated in FIG. 1 comprises a horizontal tunnel 1 of which only a very short length is shown and which is preceded by a loading station 2 and followed by an unloading station 3.
  • the lower strand or forward strand of the chains 4 passes inside the tunnel 1, while the upper strand or return strand of the chains 4 passes over the tunnel 1.
  • rollers 7 of each chain 4 roll on a raceway 8 during the outward journey through the tunnel 1 and on a raceway 9 during the return journey above the tunnel 1.
  • each link 10 of one of the chains is rigidly connected to the link 10 of the other chain by a spacer 11.
  • a bearing 12 To this spacer 11 is fixed at each end, below the chain link 10, a bearing 12 in which a shaft 13 is rotatably mounted.
  • the shaft 13 extends beyond one of the bearings 12 and here carries a set of three rods 14 extending parallel to the tree 13 by being distributed uniformly around the tree 13 at the angles of an equilateral triangle.
  • the rods 14 are held in position between their ends by spacers 15.
  • the shaft 13 fitted with rods 14 forms a “stick 16 used to receive the skeins to be dried.
  • Each shaft 13 carries a pinion 17 between the two bearings 12. It is recognized in FIG. 3 that the pinions 17 of the successive shafts 13 are alternately offset along the axis of the shaft 13.
  • the pinion 17 of a shaft 13 on two is engaged with a rack 18 extending over the entire length of the tunnel 1, above the trees 13.
  • the pinions 17 of the other shafts 13 are engaged with a rack 19 extending along the tunnel 1 , below the trees 13.
  • Each shaft 13 carries, moreover, an idler roller 20 at its end, mounting side, as well as an idler roller 21 at its free end.
  • the roller 21 is supported on the outward path, inside the tunnel 1, on a raceway 22, the free end of the stick 16 being thus supported during the displacement of the stick 16 loaded by the skeins through the tunnel of drying.
  • the roller 21 On the empty return path of the sticks outside the tunnel 1, the roller 21 is also supported on a raceway 23.
  • the balancing of the sticks 16 loaded by the skeins is ensured at the mounting end of the sticks 16 by a balancing raceway 24, 25.
  • the balancing raceway 24 at the loading station extends from a point located upstream of the descent point of the chains 4 of the wheels 5 to beyond the beginning of the raceway 22.
  • the balancing raceway 25 at the unloading station. extends from a point located upstream from the end of the raceway 22 to a point located downstream from the point of ascent of the chains 4 on the wheels 6.
  • the loading point P (fig. 1) is located in the area of path 24 and the unloading point D in the area of path 25.
  • the end roller 20, on the mounting side of the sticks 16 engages with the raceways 24, 25 and is supported towards the top on these raceways to resume the moment resulting from the weight of the hanks hanging on the sticks 16 while the latter are not supported at their free end.
  • the tunnel 1 comprises an internal zone 30 forming the tunnel proper through which the skeins to be dried pass, and additional zones surrounding the zone 30, for the preparation and circulation of the treatment air. From the point of view of preparation and circulation of the treatment air, the tunnel 1 is preferably subdivided into several cells, for example several successive drying cells, a cooling and homogenization cell at the exit of the tunnel, and possibly a airlock cell located between the last drying cell and the cooling and homogenization cell, this airlock cell comprising a heat recovery unit, which makes it possible to improve the thermal efficiency of the dryer.
  • Figure 2 is a cross section of a drying cell.
  • the air is circulated in the cell by a fan 31 which sends the air through a heater 32 into a distribution chamber 33 located above the zone 30. From the chamber 33, part of the hot air is sent through the upper wall 34 perforated in the zone 30 from the top on the hanks hanging from the sticks 16 in order to flow from top to bottom between the hanks hanging on the successive sticks.
  • the other part of the air passes from the chamber 33 downwards, on one side of the zone 30, into a box 35 and from there by a duct 36 passing below the zone 30 to a box 37 located on the opposite side of the zone 30.
  • the two boxes 35 and 37 communicate with the zone 30 respectively by two horizontal rows of superimposed air orifices 38, 39 in the side walls 40, 41 of the zone 30.
  • the air is extracted from the zone 30 by the perforated lower wall 42 to be recycled by the fan 31.
  • the blowing holes 39 in the side wall 41 are at horizontal intervals corresponding to the spacing of the sticks 16. This interval and this spacing also corresponds to the pitch of the advancing movement of the sticks 16. Consequently, the sticks 16 stop each time above the holes 39 so that the drying air is blown in through the holes 39 (and the holes 38) substantially horizontally inside the skeins hanging from the sticks 16. This results in a progressive drying of the skeins not only from the outside to the inside by the action of air blown from top to bottom on and between the skeins suspended on the successive sticks 16, but also from the inside to the outside by the air blown inside the skeins through the orifices 39 and 38.
  • the lower wall 42 of the inner zone 30 of the tunnel, crossed by the hanks, is replaced or supplemented at the entry end and the exit end of the tunnel, by a wall adjustable in height like a lifting table, as indicated at 43 in FIG. 1.
  • This height adjustment can be done without only mechanically, but also pneumatically, hydraulically or electrically, this adjustment can even be automated for optimal adaptation to the length of the skeins to be treated.
  • the stepwise advance system of the sticks can also be done by means other than a jack and a ratchet wheel. It is only important that the pitch of the advance movement corresponds to the distance between the centers of the rotating sticks 16 and the interval between the blowing orifices 38, 39 in the side walls 40, 41 of the interior zone 30 of the drying tunnel.
  • the mounting of the sticks 16 on the chains 4 or another conveyor can also be modified. It is only important in this regard that the rotating sticks are mounted cantilevered so that one end of the sticks is free at the loading station and the unloading station, to allow the establishment of the skeins on the sticks and removal skeins of sticks by the free end, sticks. This loading and unloading operation can be automated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Drying Of Solid Materials (AREA)
  • Treatment Of Fiber Materials (AREA)
EP19840100321 1983-02-01 1984-01-13 Séchoir à bâtons tournants pour écheveaux de fils textiles Expired EP0121650B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8301568A FR2540232A1 (fr) 1983-02-01 1983-02-01 Sechoir a batons tournants pour echeveaux de fils textiles
FR8301568 1983-02-01

Publications (2)

Publication Number Publication Date
EP0121650A1 EP0121650A1 (fr) 1984-10-17
EP0121650B1 true EP0121650B1 (fr) 1986-05-28

Family

ID=9285501

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840100321 Expired EP0121650B1 (fr) 1983-02-01 1984-01-13 Séchoir à bâtons tournants pour écheveaux de fils textiles

Country Status (4)

Country Link
EP (1) EP0121650B1 (el)
DE (1) DE3460150D1 (el)
ES (1) ES529322A0 (el)
FR (1) FR2540232A1 (el)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108626996A (zh) * 2018-05-09 2018-10-09 王俊 一种纺织加工用布匹节能烘干装置
CN110762994A (zh) * 2019-11-13 2020-02-07 广州市尚信净化工程有限公司 干燥处理系统及干燥处理方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1460571A1 (de) * 1962-03-29 1969-02-20 Fleissner Gmbh Vorrichtung zum Behandeln von Garnstraehnen
FR1341346A (fr) * 1962-12-19 1963-10-25 Haas Friedrich Maschf Séchoir pour fil en écheveaux
FR2137917A1 (en) * 1971-05-19 1972-12-29 Alea Lombarda Essiccatoi Yarn dryer - esp for large skeins of yarn leaving dyeing works

Also Published As

Publication number Publication date
EP0121650A1 (fr) 1984-10-17
ES8500364A1 (es) 1984-10-01
ES529322A0 (es) 1984-10-01
FR2540232B1 (el) 1985-05-10
DE3460150D1 (en) 1986-07-03
FR2540232A1 (fr) 1984-08-03

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