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WO2019220325A1 - Machine de teinture de tissu à écoulement excentrique et procédé de teinture d'un tissu - Google Patents

Machine de teinture de tissu à écoulement excentrique et procédé de teinture d'un tissu Download PDF

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Publication number
WO2019220325A1
WO2019220325A1 PCT/IB2019/053965 IB2019053965W WO2019220325A1 WO 2019220325 A1 WO2019220325 A1 WO 2019220325A1 IB 2019053965 W IB2019053965 W IB 2019053965W WO 2019220325 A1 WO2019220325 A1 WO 2019220325A1
Authority
WO
WIPO (PCT)
Prior art keywords
fabric
box
dyeing machine
nozzle
water
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.)
Ceased
Application number
PCT/IB2019/053965
Other languages
English (en)
Other versions
WO2019220325A4 (fr
Inventor
Rasna Murat
Kannan Meyyapaa
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.)
Nuva Machine Works India Pvt Ltd
Original Assignee
Nuva Machine Works India Pvt Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nuva Machine Works India Pvt Ltd filed Critical Nuva Machine Works India Pvt Ltd
Publication of WO2019220325A1 publication Critical patent/WO2019220325A1/fr
Publication of WO2019220325A4 publication Critical patent/WO2019220325A4/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/28—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics propelled by, or with the aid of, jets of the treating material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

Definitions

  • the present invention relates to the field of improvements in fabric dyeing machines.
  • the expression‘J-box’ used hereinafter in this specification refers to, but is not limited to, the chamber used for dyeing process.
  • the expression‘bath ratio’ used hereinafter in this specification refers to, but is not limited to, the ratio of weight of fabric weighed in kilogram to the volume of water in litre of water. For example, a bath ratio in the range of 1:2.5 to 1:3 means to dye 1 kg of cotton fabric, the fabric dyeing machine consumes 25 to 30 litres of water.
  • Conventional fabric dyeing machines consume large quantity of water, dyeing chemicals, steam, thermal energy for heating the dyeing liquor and electrical energy. Further, disposal of waste generated during the dyeing process in such dyeing machines create pollution.
  • Conventional fabric dyeing machines such as jet dyeing machines, atmospheric dyeing machines, overflow/ soft flow dyeing machines, HTHP soft flow dyeing machines, operate with very high bath ratio of 4 to 5. It means to dye 1 kg of cotton fabric it consumes 40 to 50 litres of water. In aforementioned dyeing machines, a lot of water is consumed during dyeing process of fabric. Further, in such dyeing machines, water consumption cannot be reduced below certain limit.
  • An object of the present disclosure is to provide a fabric dyeing machine that minimizes water consumption.
  • Another object of the present disclosure is to provide a fabric dyeing machine that has reduced operational cost and high energy efficiency.
  • Yet another object of the present disclosure is to provide a fabric dyeing machine and a method for circulating a fabric that processes the fabric by consuming less water.
  • Still another object of the present disclosure is to provide a fabric dyeing machine that improves quality of the dyeing process.
  • Yet another object of the present disclosure is to provide a fabric dyeing machine that operates with a low bath ratio in the range of 1:2.5 to 1:3. It means, to dye 1 kg of cotton fabric, the fabric dyeing machine consumes 25 to 30 litres of water.
  • the present disclosure envisages fabric dyeing machine.
  • the fabric dyeing machine comprises a tower, a J-box, nozzles, a plurality of baffle plates and a dome-and-platter arrangement.
  • the tower includes a front leg and a back leg.
  • each of the front leg and the back leg preferably is a hollow pipe having a circular cross-section.
  • each of the front leg and the back leg is a hollow pipe having an oval cross-section.
  • pipe cross-section may be in any shape.
  • the J-box is configured with four walls. A fourth wall out of the four walls is semi -closed and has an adjustable plate.
  • the J-box is configured with an inlet and an outlet for the fabric.
  • the front leg and the back leg of the tower are operatively connected with one of an outlet and an inlet of the J-box.
  • the front leg is in line with centre of the J-box.
  • Cross-sectional area of a passage configured by the J-box increases from the inlet towards the outlet of the J-box.
  • an outer and an inner wall of the J-box are provided with a degree of curvature.
  • inner wall of the J-box is adjustable by mechanical means.
  • water is filled at a height ranging from 20mm to 30 from a bottom portion of the J-box.
  • Each of the plurality of nozzles is cylindrical in shape.
  • each of the plurality of nozzles has a circular cross-section.
  • each of the plurality of nozzles is inclined at an angle ranging from 79° to 80° with respect to direction of flow of the fabric.
  • pressure of dye-mixed water coming out of each of the plurality of nozzles is 1.2 bar.
  • cross-sectional area of each of the plurality of nozzles is configured to be adjustable.
  • the distance between the nozzles and the J-box is configured to be adjusted using a nozzle adjusting arrangement.
  • Each of the plurality of baffle plates is configured to facilitate linear flow of water into the plurality of nozzles.
  • the dome of the dome-and-platter arrangement is arranged between the back leg and the J- box below the plurality of nozzles.
  • the platter of the dome-and-platter arrangement is accommodated within the dome and is configured to perform oscillatory motion.
  • the dome- and-platter arrangement facilitates dropping of the fabric with dye-mixed water from the plurality of nozzles on inner surface of the J-box.
  • the fabric dyeing machine is used for processing knitted fabric, woven fabric and terry fabric. In an embodiment, the fabric dyeing machine is used in processes such as scouring, bleaching, washing.
  • bath ratio of the fabric dyeing machine 100 ranges from 1:2.5 to 1:3.
  • a method of dyeing a fabric comprises:
  • Figure 1 illustrates a front sectional view of a fabric dyeing machine, in accordance with an embodiment of the present disclosure
  • Figure 2 illustrates left side view of the fabric dyeing machine of Figure 1 ;
  • Figure 3 illustrates right side view of the fabric dyeing machine of Figure 1 ;
  • Figure 4 illustrates a sectional view of the fabric dyeing machine of Figure 3; and Figure 5 illustrates sectional view of arrangement of nozzles of the fabric dyeing machine of Figure 1.
  • Embodiments, of the present disclosure will now be described with reference to the accompanying drawing. Embodiments are provided so as to thoroughly and fully convey the scope of the present disclosure to the person skilled in the art. Numerous details are set forth, relating to specific components, and methods, to provide a complete understanding of embodiments of the present disclosure. It will be apparent to the person skilled in the art that the details provided in the embodiments should not be construed to limit the scope of the present disclosure. In some embodiments, well-known processes, well-known apparatus structures, and well-known techniques are not described in detail.
  • a fabric dyeing machine of the present disclosure, is now described with reference to Figure 1 through Figure 5.
  • the fabric dyeing machine (hereinafter also referred to as machine) 100 comprises a tower 105, a reel 120, a dome 125, a platter 130, a J-box 135, and nozzles 140.
  • the dyeing machine 100 comprises mainly four walls, i.e., an outer body wall, an inner body wall and side walls.
  • the walls are preferably made of stainless steel material.
  • the walls can also be made of any metallic material or any other suitable material. All the four walls define chambers for movement of fabric and water for dyeing within the dyeing machine 100.
  • the chamber used for dyeing process is called J-box. Three sides of J-box are closed whereas the fourth side, which is a fourth side of the J-box, is a semi-closed side having an adjustable plate.
  • the J-box has an inlet and an outlet for fabric and is configured with various assemblies for machine operations.
  • the J-box 135 has a J-shaped configuration.
  • the outer body wall l35b of the J-box 135 is not perfectly circular but slightly oval in shape. Conventionally, such boxes are circular in shapes.
  • the J-box 135 has the inner wall l35a and the outer wall l35b.
  • the inner wall l35a and outer wall l35b of the J-box 135 define a passage therebetween, which is in the shape of T .
  • the J-box 135 is a main inner chamber of the dyeing machine 100 in which the fabric along with dyed water is dropped from the back leg 115 of the tower 105.
  • the fabric is received from the tower 105 and goes back to the tower 105 for cyclic dyeing process.
  • the dye water accumulated at the bottom of J-box 135 is conveyed to the nozzles 140 for recirculation by recirculation arrangement means.
  • the tower 105 is mounted on an operative top portion of the J-box 135.
  • the reel 120 is disposed within the tower 105.
  • the reel 120 is configured to facilitate movement of a fabric in the tower 105. More specifically, the movement of the fabric in the tower 105 is facilitated by the rotational movement of reel 120.
  • the tower 105 includes a front leg 110 and the back leg 115 operatively connected on the body of the J-box 135.
  • the front leg area is a fabric lift area.
  • the back leg area is a fabric drop area of the tower 105.
  • each of the front leg 110 and the back leg 115 is a hollow pipe preferably having a circular cross-section.
  • the pipes can have any other suitable cross sectional configuration, such as an oval sectional configuration.
  • the reel 120 is configured with a proper curve and equipped with a metal gripper to support the pulled fabric without slippage.
  • the reels are provided with Teflon grippers which worn out with passing time and are required to be changed frequently.
  • the back leg 115 of the tower is mounted on the J-box 135 at an offset from the centre of the J-box 135.
  • the tower 105 is mounted on the J-box 135 vertically in line with the centre of the J-box 135 as one of inventive feature.
  • the front leg 110 of the tower 105 is eccentrically mounted on the J-box 135.
  • the configuration of the back leg 115 of the tower 105 and its mounting on the J-box 135 is vertically in line with the centre of J-box 135 which facilitates easy dropping of the fabric in the J-box 135.
  • the location of tower 105 on the J-box 135 plays an important role in reducing water consumption in dyeing process.
  • the inner wall l35a of J-box 135 is adjustable by mechanical means.
  • the nozzles 140 are disposed within the tower 105 in the back leg 115 below the reel 120.
  • the nozzles 140 have adjustable degrees of water impingement.
  • the nozzles 140 have adjustable cross-sectional area.
  • the distance between the nozzles 140 and the J-box 135 can be adjusted using a nozzle adjusting arrangement 145.
  • the passage for the entry of water to the nozzles 140 is provided with baffle plates 150.
  • the baffle plates 150 are configured to facilitate linear water flow to the nozzle 140 by avoiding swirling motion of water before the water enters into the nozzle and preventing swirling motion of water within the nozzles 140. This is an important constructive and inventive feature of the present disclosure.
  • the nozzles 140 have a circular cross-section and a cylindrical shape.
  • nozzles are circular in shape. Due to circular shape of nozzles, water swirls within the nozzle. The swirling motion of water twists the fabric when dyeing water (colour water) comes in contact with the fabric.
  • the baffle plates 150 and the cylindrical configuration of the nozzles 140 of the present disclosure avoid formation of swirling motion of dyeing water in the nozzle 140, thereby preventing twisting of the fabric.
  • the nozzles 140 direct the dyeing water flow on the fabric passing through region l40a in the nozzle area of the tower 105.
  • the dyeing process takes place while the fabric passes through the back leg 115 of the tower 105 and gets imparted with dying water exiting the nozzles 140 with pressure.
  • the nozzles 140 are arranged at an angle of about 79° to 80° (l40b) with respect to direction of fabric flow.
  • the inclination (l40b) of nozzle plays an important role in the fabric dyeing machine 100.
  • the nozzles 140 are configured to increase the water pressure without increase in water volume. It is one of the inventive approaches to reduce dyeing water consumption in dyeing process.
  • the dyeing water penetrates in depth of the fabric when impinged with pressure.
  • low volume of water with high pressure penetrates more into the fabric threads to give better dyeing effect.
  • Further dye-mixed water coming out of nozzle do not have swirling motion effects so pressurised water gives furthermore penetration effect into the fabric and gives efficient way of dying the cloth with less number of cycle of fabric in the dying machine.
  • the fabric also do not swirling motion as water coming out from nozzle do not have swirling motion, thus give better dying results with less number of cyclic for fabric dying
  • low amount of water is required as increase in pressure reduces volume of water required.
  • the achievable water pressure in the fabric dyeing machine 100 of the present disclosure is about 1.2 bar as against 0.8 bar water pressure achievable in conventional fabric dyeing machine. As pressure of water is increased, less volume of water is required as compared to conventional fabric dyeing machines. Further, penetration of chemical dye in the fabric is more due to increase in water pressure.
  • the pressure of water in the fabric dyeing machine 100 can be altered by altering the cross- sectional area of the nozzle 140.
  • the cross-sectional area of the nozzle 140 can be adjusted using the nozzle adjusting arrangement 145.
  • the nozzle adjusting arrangement 145 can be manually operated or operated by a pre-programmed motor (not shown in figures).
  • the dome 125 is connected between the back leg 115 and the J-box 135 and arranged below the nozzles 140.
  • the dome 125 is configured to accommodate the platter 130.
  • the platter 130 is configured to perform an oscillatory movement.
  • the platter 130 is configured to receive the fabric along with water from the nozzle exit and facilitate dropping the fabric in the J-box 135 on the inner surface/portion of inner wall of J-box 135. Dropping the fabric with water on the inner wall of J-box 135 reduces the amount of water required to push the fabric from platter 130 into the J-box 135.
  • a driving assembly (not shown in figures) is coupled to the platter 130 to operate the platter 130.
  • the driving assembly can be operated by a pre-programmed motor (not shown in figures).
  • dome area As disclosed in the present disclosure.
  • more water is required to push the fabric from the reel into the J-box.
  • the configurations of the dome 125 and the platter 130 of the present disclosure facilitate easy travel of the fabric from the reel 120 into the J-box 135, thereby minimizing the amount of required water to push the fabric from the reel 120 into the J-box 135.
  • the J-box 135 is configured to receive the fabric from the back leg 115 of the tower 105, and is operatively connected to the front leg 110 of the tower 105.
  • the fabric travels from the reel 120 into the J-box 135 through the back leg 115 of the tower 105 and from the J-box 135 to the reel 120 through the front leg 110 of the tower 105.
  • an inlet of the J-box 135 is narrow as compared to an outlet of the J-box 135.
  • the area of the passage within the J-box 135 increases from the inlet towards the outlet of the J-box 135.
  • the increase in area of the passage within J-box 135 is preferably gradual. This allows wet fabric to expand within the J-box 135, which gives more productive length to the fabric and gives more time to the fabric to be retained in the J-box 135 with dye water at the bottom portion of J-box 135.
  • the ‘J’ shaped configuration of the box 135 facilitates accommodation of lengthier fabric as compared to conventional fabric dyeing 5 machines.
  • the narrow inlet of J-box 135 reduces entanglement of the fabric within the J-box 135.
  • An outer wall l35b and an inner wall l35a of the J-box 135 are provided with a degree of curvature. Due to the curvature, the capacity of the J-box 135 increases. Further, the curvature facilitates eccentric flow of the fabric within the J-box 135 without any external force.
  • the fabric is comparatively less elongated as the fabric carries less weight of water.
  • less water is required to be accumulated at the bottom portion of the J- box 135 as compared to conventional boxes having the same functionality.
  • the configuration of the J-box 135 facilitates minimum use of water in the dyeing process.
  • water is filled in the J-box 135 at height of about 20-30 mm from the inner bottom portion of the J-box 135.
  • Conventional fabric dyeing machines require water filled upto half of the circular box.
  • the fabric In the fabric dyeing machine 100, the fabric is simply dropped in the J-box 135 requiring minimum amount of water for the travel thereof. In prior arts, the fabric is pushed in the platter towards outer wall l35b of the J-box which requires large quantity of water to achieve smooth travel of the fabric.
  • the fabric dyeing machine 100 includes a static mixer (not shown in figures) arranged below the J-box 135, and is configured to receive dosed water from a water tank and provide homogeneous mixing of water.
  • the fabric dyeing machine 100 can be used for processing treatments of knitted fabric, woven fabric and terry fabric.
  • the fabric dyeing machine 100 can also be used in processes such as scouring, bleaching, washing etc.
  • the fabric dyeing machine 100 utilizes less amount of water.
  • the bath ratio of the fabric dyeing machine 100 ranges from 1:2.5 to 1:3, i.e., 1 kg of fabric requires maximum of 25 to 30 litres of water for the dyeing process thereof. Reduction in water consumption also results in chemical consumption required for the dyeing process, thereby saving a lot of cost.
  • the fabric is introduced in the front leg 110 of the tower 105 using any suitable arrangement.
  • the fabric then passes over the reel 120 and enters the back leg 115 of the tower 105.
  • the fabric then passes through the back leg 115.
  • the nozzles 140 impinge water with chemical dye on the fabric.
  • the fabric is dropped in the J-box using the platter 130. Once dropped, the fabric reaches bottom portion of the J-box 135. Further, the fabric is lifted from the bottom portion of the J-box 135 using any suitable arrangement and is then passed through the front leg 110 and the reel 120 again. The process continues till the fabric is dyed with desirable colour.
  • first, second, third, etc. should not be construed to limit the scope of the present disclosure as the aforementioned terms may be only used to distinguish one element, component, region, layer or section from another component, region, layer or section. Terms such as first, second, third etc., when used herein do not imply a specific sequence or order unless clearly suggested by the present disclosure.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

La présente invention concerne une machine de teinture de tissu (100). La machine de teinture de tissu (100) comprend une tour (105), une boîte en J (135), des buses (140), une pluralité de plaques déflectrices (150) et un agencement dôme-plateau. Une patte avant (115) et une patte arrière (120) de la tour (105) sont reliées de manière fonctionnelle à une sortie et à une entrée de la boîte en J (135). La patte avant (115) est alignée avec le centre de la boîte en J (135). La section transversale d'un passage de la boîte en J (135) augmente vers sa sortie. Les buses (140) sont de forme cylindrique. Les plaques déflectrices (150) facilitent un écoulement linéaire de l'eau dans les buses (140). Un dôme (125) est placé entre la patte arrière (120) et la boîte en J (135) au-dessous des buses (140). Un plateau (130) est logé à l'intérieur du dôme (125) et effectue un mouvement oscillatoire. La machine de teinture de tissu (100) fonctionne avec un rapport de bain de 1:2,5 à 1:3, ce qui permet de réduire au minimum la consommation d'eau.
PCT/IB2019/053965 2018-05-15 2019-05-14 Machine de teinture de tissu à écoulement excentrique et procédé de teinture d'un tissu Ceased WO2019220325A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201841018201 2018-05-15
IN201841018201 2018-05-15

Publications (2)

Publication Number Publication Date
WO2019220325A1 true WO2019220325A1 (fr) 2019-11-21
WO2019220325A4 WO2019220325A4 (fr) 2020-01-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023249585A1 (fr) * 2022-06-23 2023-12-28 Ides Makina Tekstil Sanayi Ve Ticaret Limited Sirketi Nouveauté dans une machine de teinture de tissu

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311627A (en) * 1992-04-15 1994-05-17 Bruckner Apparatebau Gmbh Method and apparatus for discontinuous wet treatment of a hank of fabric
US20160215427A1 (en) * 2013-09-23 2016-07-28 Fong's Europe Gmbh Apparatus for the treatment of strand-like textile material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311627A (en) * 1992-04-15 1994-05-17 Bruckner Apparatebau Gmbh Method and apparatus for discontinuous wet treatment of a hank of fabric
US20160215427A1 (en) * 2013-09-23 2016-07-28 Fong's Europe Gmbh Apparatus for the treatment of strand-like textile material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Coloring Your dreams with Nano Dyeing", NUVAS, 19 February 2018 (2018-02-19), XP055654506, Retrieved from the Internet <URL:https://web.archive.org/web/20180219085328/http://www.nuvamachine.com/assets/Eccentricflow%20HT%20Soft%20Flow%20Fabric%20Dyeing%20Machine%20with%20Dyekitchen.pdf> *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023249585A1 (fr) * 2022-06-23 2023-12-28 Ides Makina Tekstil Sanayi Ve Ticaret Limited Sirketi Nouveauté dans une machine de teinture de tissu

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