US3914964A - Equipment for wet processing a textile sample - Google Patents

Equipment for wet processing a textile sample Download PDF

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Publication number
US3914964A
US3914964A US385976A US38597673A US3914964A US 3914964 A US3914964 A US 3914964A US 385976 A US385976 A US 385976A US 38597673 A US38597673 A US 38597673A US 3914964 A US3914964 A US 3914964A
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United States
Prior art keywords
liquid
carrier
chamber
container
radially
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Expired - Lifetime
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US385976A
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English (en)
Inventor
Roland Dietrich
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Ahiba AG
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Ahiba AG
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Publication date
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/10—Devices for dyeing samples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
    • B01F33/452—Magnetic mixers; Mixers with magnetically driven stirrers using independent floating stirring elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
    • B01F33/453—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements

Definitions

  • This invention relates to equipment for the wet processingof a textile sample such as a sample length, sample hank, fibres and flocks.
  • Known equipment of this type mostly consists of bucket-type mechanisms in which the sample material is mechanically moved up and down in the processing liquid.
  • the sample material may also be subjected to an additional rotary movement without however emerging from the liquid.
  • the sample material is placed loosely in the bucket mechanism on spiked rods, in sieve-type baskets oron coiled wires,
  • the present i'nvntion seeks to provide new equipment for processing a textile sample in which, due to the forced circulation of the liquid mixture, irregularities on the processed material caused by bearing pressure or at points of suspension can be avoided and in which fibrous and flocculent material, above all, can be exposed to intensive contact with the liquid, there being virtually no mechanical action upon the processed material.
  • an inset' which comprises at least'one cylindrical wall' portion and can be introduced substantially centrally in the said bucket, to leave a flow path therearound, a pump element rotatably arranged below the inset in a position coaxial with the wall portion thereof, and a flow guide assembly situated within the liquid flow pathfor obtaining a liquid current substantially parallel with the longitudinal'axis of the 'wall portion of the inset at least over part of the I liquid flow path, the whole assembly being such that a suction zone can form above the rotating pump element and the'processing liquid, conveyed outwards by centrifugal forces, generated by the pump element, is
  • FIG. l is a first embodiment of equipment in vertical section, placed in a temperature-controlled trough,
  • FIG. 6 shows the equipment of FIG. 5 in plan.
  • the reference numeral 1 generally refers to a trough which contains a heating fluid 2, e.g. water, kept at a predetermined working temperature by 5 means of heating and temperature control elements not shown here. Resting on the bottom l' of this trough, surrounded by the heating fluid, is a' bucket 3 with a freely moving permanent magnet bar 4 on its bottom 3'.
  • a heating fluid e.g. water
  • This permanent magnet bar is preferably provided 10 with a plastic coating resistant to the processingagents employed and tozthe liquid mixturerThis baris moved by a magnetic drive 8 arranged below the-trough bottom 1' and rotates about a vertical axis a-a.To allow this rotary movement to take place with as little friction 15 as possible, it is advisable to design the bottom portion 3 of the bucket with a slight upward curvature.
  • the bucket 3 contains'an inset, generaIIy referred to by the reference numeral 5 and'shown. inplanview in FIG. 2, which consists of a cylindrical vessel 6 with a perforated bottom 7 and a number of flow guide vanes 9, radially protruding-from the cylindrical wall. portion.
  • these guide vanes form-partitions extending in-planes parallel to the axis of the ves' sel 6 and separating channels 12.
  • the vessel 6 receives a textile sample 10 which is to be dyed or otherwise processed. 1
  • a dye solution 11 is prepared either in'the bucket 3 or subsequently introduced therein.
  • the permanent magnet bar 4 which acts as an impeller, is placed on the bottom of the bucket 3 and the latter is deposited on a point of the trough bottom 1' situated exactly in the centre above the magnetic drive 8.-Then the inset 5 with the vessel 6 in which the textile sample 35 to be dyed has already been placed is inserted in the bucket 3 containing the dyesolution.
  • the permanent magnet bar 4 which acts as impeller, begins to rotate about the axis i1a and,”due to the centrifugal force, conveys liquid mixture radially outwards in the direction of the lower curved arrows and towards the inner wall surface of the bucket, where the liquidis deflected in the upward direction.
  • the space P between the perforated bottom 7 of the inset 6 and the bottom 3' of the bucket 3 is high enough for a suction zone to develop above'the permanent magnet bar 4 which operates as an impeller when rotated.
  • the flow guides 9 prevent a rotary movement of the liquid mixture during its upward travel along the cylindrical wall of the bucket and ensure that the upward current in the channels 12 is practically rectilinear. Because of the continuous equalisation of pressure in the vessel 6, the processing liquid pe'rmeatesthe sample material 10 in the vessel continuously, the flow velocity of the liquid being regulatable by controlling the rotational speed of the permanentmagnet bar 4.
  • a displacement body 13 is suspended from the cover 14 of the vessel 6 in such a manner that it does not touch the cylindrical wall portion or the perforat'ed bottom 7 of the inset and, above all; does not impair the free flow of the liquid mixture through the textile sample.
  • FIG. 3 illustrates another embodiment of the apparatus of the invention without the heated trough, in which a pump assembly, generally referred to by the reference numeral 22, is provided at the bottom of a bucket 21, which assembly includes a permanent magnet flange 23, a drive shaft 24 and an impeller 25.
  • the flange 23 and the shaft 24 are situated in recesses of a flow guide element 26, likewise resting on the bottom of the bucket 21.
  • a suction tube 27 is provided above the flow guide element 26, in a central position relative thereto, a flow guide assembly generally referred to by the reference numeral 28 being incorporated in the tube 27.
  • this assembly consists of a central core 29 on which vanes 30 are anchored which extend radially outward to the inner wall surface of the suction tube 27 and are connected to this surface so as to suspend the flow guide assembly.
  • the parts 23-30 form the pump assembly 22 components of which may be detachable, for example by plug-in or screw connection, for cleaning purposes.
  • the outer surface of the suction tube 27 is preferably shaped as a guide and as shown in FIG. 3, serves for centering a pressure tube 31 which is supported at the lower end of the suction tube 27 and extends to the underside of a pressure ring 32 inserted in the upper end region of the bucket 21.
  • This pressure tube radially seals an inner chamber and separates the chamber 40 from an outer chamber between the tube 31 and the upright bucket wall.
  • a material carrier 33 which consists of perforated stainless steel is mounted in the outer chamber between the tube 31 and the bucket 21 by means of an upper and a lower collar 34, 34' respectively; Between the inner surface of the perforated material carrier 33 and the outer surface of the pressure tube 31 is an inner annular gap 35 of approximately 24 mm width, and between the outer surface of the material carrier 33 and the inner surface of the bucket 21 an outer annular gap 35' of 4-8 mm width.
  • the above-mentioned pressure ring 32 is provided with a groove 36 of substantially semi-circular crosssection the outer edge of which virtually coincides with the inner surface of the material carrier 33.
  • the groove 36 is a means for deflecting the process mixture in a manner now described.
  • the pressure ring 32 cooperates with the cylindrical parts 31, 33 which act as a guide assembly for the liquid mixture and is preferably an elastic member pressed into the open top of the bucket 21 against the collar 34 of the material carrier 33.
  • the reference numeral 21' refers to the upper rim of the bucket 21, the reference numeral 32 to the pressure ring and the reference numeral 33 to the material carrier, the latter being centred in the bucket 21 (FIG. 3).
  • the numeral 29 refers to the central core of the flow guide assembly 28 (FIG. 3) and the numeral 30 to one of the flow guide vanes.
  • the numeral 37 refer to one of four partitions in the liquid deflection chamber 38 (FIG. 3) within the flow guide element 26.
  • FIG. 3 is especially useful for dying or other tests on flat sample lengths which are placed on the outer surface of the perforated material carrier 33 for processing.
  • the equipment is prepared'in the manner already described and the pump assembly 22 and the pressure tube 31 are inserted in the bucket 21 holding the processing liquid. Then the material carrier 33 withv a sample length and the pressure ring 32 are introduced in the bucket, which latter may be sealed with a lid 39.
  • the pump assembly 22 rotates and conveys processing liquid in the direction of the arrows through the deflection chamber 38 in the flow guide element 26 through passages 31' in the pressure tube 31 towards the outer annular gap 35'.
  • the liquid passes through the sample placed upon the material carrier 33 and through the holes in the carrier towards the inner annular gap 35.
  • the processing liquid flows in arrow direction from the groove 36 of the pressure ring 32 back into the inner chamber 40 situated above the flow guide assembly 28, in order to be recirculated by the pump element 22 until the processing operation has been concluded.
  • FIG. 5 illustrates an embodiment of the invention where a liquid conveying assembly in the shape of a pump unit 51 is employed which consists of parts 23-30 shown in FIG. 3 and in which a processing inset 52 is employed which is basically designed in the same way as the inset 5 of FIGS. 1 and 2.
  • the cylindrical wall 53 of the inset 52 extends down to the same length as the pressure tube 31 of FIG. 3 and the same applies to the flow guide vanes 54 (FIG. 6) which are provided in order to obtain a liquid flow in the direction of the arrows on the left of FIG. 5, virtually parallel with the axis of the device.
  • the spaces enclosed by the guide vanes 54 correspond to those designated by the reference numeral 12 in FIG. 1.
  • the bucket may be provided with a pressure lid to carry out the so-called HT-dying process.
  • a pressure lid On such a lid, pressure or vacuum connections may be provided in known manner or pressure locks and/or dosing devices and valves may be provided integrally or fitted to the lid. 1n the embodiments according to FIGS. 1 and 5, this lid may also be used for mounting a displacement body 13 (FIG. 1), if such a device is employed, unless special provisions either on this body itself or on other parts of the assembly are preferred.
  • the equipment proposed by the invention enables the sample material to be processed virtually without mechanical stress, providing optimum wetting conditions for the samples to be processed.
  • the equipment offers the same facilities for influencing the mixture as any of the conventional devices for the treatment of textile samples.
  • An important feature is the fact that neither external pumping means nor shaft lead-in bushings which require sealing are needed for the propulsion of the processing liquid.
  • Apparatus for treating textile material with a liquid comprising:
  • an upright container adapted to hold said liquid
  • a tubular member in said container having an upright axis, 1. said member radially sealing a chamber therein, 2. said member and said container radially bounding an outer chamber therebetween, 3. respective axially terminal portions of said chambers communicating with each other;
  • pump means for sequentially moving said liquid in a closed circuit through said chambers in opposite axial directions; and
  • an apertured carrier for said textile material to be treated with said liquid
  • said carrier being arranged in one of said chambers and dividing the same into two parts, each part including a respective one of said axially terminal portions of said one chamber,
  • said pump means include a magnetic drive member, an impeller, and a shaft drivingly connecting said drive member to said impeller.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
US385976A 1972-12-12 1973-08-06 Equipment for wet processing a textile sample Expired - Lifetime US3914964A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1805272A CH559582A5 (h) 1972-12-12 1972-12-12

Publications (1)

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US3914964A true US3914964A (en) 1975-10-28

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US385976A Expired - Lifetime US3914964A (en) 1972-12-12 1973-08-06 Equipment for wet processing a textile sample

Country Status (8)

Country Link
US (1) US3914964A (h)
BE (1) BE803308A (h)
CH (1) CH559582A5 (h)
DE (1) DE2333333A1 (h)
ES (1) ES417866A1 (h)
FR (1) FR2210121A5 (h)
GB (1) GB1429838A (h)
IT (1) IT991346B (h)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070193635A1 (en) * 2006-02-23 2007-08-23 Levitronix Llc Rotary pump, hydrodynamic mixer with a rotary pump, and also the use of the rotary pump for the processing of fluids
US9982379B2 (en) * 2015-02-25 2018-05-29 Taiwan Textile Research Institute Dyeing device and dyeing apparatus
US10584433B2 (en) * 2016-11-21 2020-03-10 Dalian Polytechnic University Supercritical fluid dyeing and finishing system and method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8334304D0 (en) * 1983-12-23 1984-02-01 Trenchbond Ltd Liquid treatment of solids
EP0395579A1 (de) * 1989-04-25 1990-10-31 Ciba-Geigy Ag Vorrichtung zur Herstellung von Färbemustern
US6003346A (en) * 1998-06-16 1999-12-21 Hsu; Min-Chung Beaker for sample dyeing machine and sample dyeing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1295470A (en) * 1915-01-12 1919-02-25 Hurley Machine Company Dish-washing machine.
US1982002A (en) * 1932-03-23 1934-11-27 Internat Bleaching Corp Method of bleaching paper pulp
US3532327A (en) * 1968-06-28 1970-10-06 George G Landberg Draft tube arrangement for starting-up and settled solids

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1295470A (en) * 1915-01-12 1919-02-25 Hurley Machine Company Dish-washing machine.
US1982002A (en) * 1932-03-23 1934-11-27 Internat Bleaching Corp Method of bleaching paper pulp
US3532327A (en) * 1968-06-28 1970-10-06 George G Landberg Draft tube arrangement for starting-up and settled solids

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070193635A1 (en) * 2006-02-23 2007-08-23 Levitronix Llc Rotary pump, hydrodynamic mixer with a rotary pump, and also the use of the rotary pump for the processing of fluids
US8092074B2 (en) * 2006-02-23 2012-01-10 Levitronix Technologies, LLC Rotary pump, hydrodynamic mixer with a rotary pump, and also the use of the rotary pump for the processing of fluids
US9982379B2 (en) * 2015-02-25 2018-05-29 Taiwan Textile Research Institute Dyeing device and dyeing apparatus
US10584433B2 (en) * 2016-11-21 2020-03-10 Dalian Polytechnic University Supercritical fluid dyeing and finishing system and method

Also Published As

Publication number Publication date
IT991346B (it) 1975-07-30
GB1429838A (en) 1976-03-31
DE2333333A1 (de) 1974-06-20
FR2210121A5 (h) 1974-07-05
ES417866A1 (es) 1976-02-16
CH559582A5 (h) 1975-03-14
BE803308A (fr) 1973-12-03

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