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CN-121992593-A - Dye dissolving system, dyeing system and dyeing method

CN121992593ACN 121992593 ACN121992593 ACN 121992593ACN-121992593-A

Abstract

The invention provides a dye dissolving system, a dyeing system and a dyeing method, and relates to the technical field of fabric dyeing. The dyeing system comprises a dyeing kettle and a dye dissolving system, wherein the dye dissolving system comprises a dye kettle, a partition plate, a dye layer and a separator are sequentially arranged in the dye kettle, a medium inlet and a medium outlet are further formed in the dye kettle, the partition plate, the dye layer and the separator are arranged between the medium inlet and the medium outlet, the medium inlet is arranged close to the partition plate, the medium outlet is arranged close to the separator, an external circulation pipeline is connected to the medium inlet and the medium outlet of the dye kettle, the external circulation pipeline comprises a flow direction retaining mechanism, and the flow direction retaining mechanism is configured to respond to the change of the flow direction of the medium in the external circulation pipeline so that the medium entering the dye kettle always enters from the medium inlet and flows out from the medium outlet. The dyeing method comprises alternately performing forward circulation dyeing and reverse circulation dyeing. The invention can realize the consistency of dye dissolution in the forward and reverse circulation process and improve the dyeing uniformity.

Inventors

  • WEI MINGCAI
  • ZHAO YALI

Assignees

  • 中创绿洁超临界流体科技(江苏)有限公司

Dates

Publication Date
20260508
Application Date
20260325

Claims (10)

  1. 1. A dye dissolution system, comprising: The dye kettle (100), a partition board (110), a dye layer (120) and a separator (130) are sequentially arranged in the dye kettle (100), the dye kettle (100) is also provided with a medium inlet and a medium outlet, the partition board (110), the dye layer (120) and the separator (130) are arranged between the medium inlet and the medium outlet, the medium inlet is arranged close to the partition board (110), and the medium outlet is arranged close to the separator (130); -an external circulation line (200) connected to the medium inlet and the medium outlet of the dye kettle (100), the external circulation line (200) comprising a flow direction holding mechanism configured to respond to a change in the flow direction of the medium in the external circulation line (200) such that the medium entering the dye kettle (100) always enters from the medium inlet and flows out from the medium outlet.
  2. 2. The dye dissolution system of claim 1, wherein the dye kettle (100) comprises a first medium inlet (141), a second medium inlet (142), a first medium outlet (151) and a second medium outlet (152), the external circulation line (200) being connected to the first medium inlet (141), the second medium inlet (142), the first medium outlet (151) and the second medium outlet (152) simultaneously.
  3. 3. Dye dissolution system according to claim 2, wherein the flow direction retention mechanism comprises a unidirectional flow means (210), the first medium inlet (141), the second medium inlet (142), the first medium outlet (151) and the second medium outlet (152) being provided with unidirectional flow means (210).
  4. 4. A dye dissolution system according to claim 3, further comprising a first three-way interface (221) and a second three-way interface (222), the first medium inlet (141) and the first medium outlet (151) each being connected to the first three-way interface (221) by unidirectional flow means (210), the second medium inlet (142) and the second medium outlet (152) each being connected to the second three-way interface (222) by unidirectional flow means (210).
  5. 5. Dye dissolution system according to claim 2, wherein the flow direction retention mechanism comprises a first control valve (231), a second control valve (232), a third control valve (233) and a fourth control valve (234) connected to the first medium inlet (141), the second medium inlet (142), the first medium outlet (151) and the second medium outlet (152), respectively.
  6. 6. The dye dissolution system according to claim 5, further comprising a first three-way interface (221) and a second three-way interface (222), the first medium inlet (141) and the first medium outlet (151) being connected to the first three-way interface (221) by a first control valve (231) and a third control valve (233), respectively, the second medium inlet (142) and the second medium outlet (152) being connected to the second three-way interface (222) by a second control valve (232) and a fourth control valve (234), respectively.
  7. 7. Dye dissolution system according to claim 2, wherein the flow direction retention mechanism comprises a first three-way valve (241) and a second three-way valve (242), the first medium inlet (141) and the first medium outlet (151) being both connected to the first three-way valve (241), the second medium inlet (142) and the second medium outlet (152) being both connected to the second three-way valve (242).
  8. 8. The dye dissolution system according to claim 1, wherein the flow direction holding mechanism comprises a first three-way valve (241), a second three-way valve (242), a first three-way interface (221) and a second three-way interface (222), the first three-way interface (221) being connected to the medium inlet, the first three-way valve (241) and the second three-way valve (242), respectively, and the second three-way interface (222) being connected to the medium outlet, the first three-way valve (241) and the second three-way valve (242), respectively.
  9. 9. Dyeing system, characterized in that it comprises a dyeing tank (300) and a dye dissolution system according to any one of claims 1 to 8.
  10. 10. Dyeing process, characterized in that it is applied to a dyeing system according to claim 9, comprising the following steps: Forward circulation dyeing, wherein the dyeing medium is controlled to flow forward; reverse circulation dyeing, namely controlling a dyeing medium to flow reversely; the forward circulation dyeing and the reverse circulation dyeing are alternately carried out.

Description

Dye dissolving system, dyeing system and dyeing method Technical Field The invention relates to the technical field of fabric dyeing, in particular to a dye dissolving system, a dyeing system and a dyeing method. Background The dyeing system comprises a dye kettle and a dyeing kettle, wherein dye is arranged in the dye kettle, and during dyeing, a medium flows through the dye kettle to dissolve the dye in the dye kettle and then enters the dyeing kettle through a pipeline to be dyed. In the specific processes of warp beam dyeing, cone yarn dyeing and the like, in order to dye more uniformly, the dyeing medium is required to dye the dyed fabric in a positive and negative cycle, namely, the dyed fabric is penetrated for multiple times from inside to outside and from outside to inside, so that the internal and external chromatic aberration is reduced. However, in the circulation dyeing system, the medium enters into and goes out of the dissolution dye in the normal circulation, and enters into and goes out of the dissolution dye in the reverse circulation. Therefore, when the dye kettle is in forward circulation and reverse circulation, the flowing directions of the medium in the dye kettle are different, so that the dye dissolving effect is different, and the phenomenon of uneven dyeing in the forward and reverse circulation can be caused. Disclosure of Invention In a first aspect, the present invention provides a dye dissolution system comprising: the dye kettle is internally provided with a partition board, a dye layer and a separator in sequence, the dye kettle is also provided with a medium inlet and a medium outlet, the partition board, the dye layer and the separator are arranged between the medium inlet and the medium outlet, the medium inlet is arranged close to the partition board, and the medium outlet is arranged close to the separator; An external circulation line connected to the medium inlet and the medium outlet of the dye kettle, the external circulation line including a flow direction holding mechanism configured to respond to a change in the flow direction of the medium in the external circulation line such that the medium entering the dye kettle always enters from the medium inlet and exits from the medium outlet. In an alternative embodiment, the dye kettle comprises a first medium inlet, a second medium inlet, a first medium outlet and a second medium outlet, and the external circulation line is connected to the first medium inlet, the second medium inlet, the first medium outlet and the second medium outlet simultaneously. In an alternative embodiment, the flow direction holding means comprises a unidirectional flow means, the first medium inlet, the second medium inlet, the first medium outlet and the second medium outlet being provided with unidirectional flow means. In an alternative embodiment, the device further comprises a first tee joint and a second tee joint, wherein the first medium inlet and the first medium outlet are connected to the first tee joint through unidirectional flow devices, and the second medium inlet and the second medium outlet are connected to the second tee joint through unidirectional flow devices. In an alternative embodiment, the flow direction holding mechanism comprises a first control valve, a second control valve, a third control valve and a fourth control valve, connected to the first medium inlet, the second medium inlet, the first medium outlet and the second medium outlet, respectively. In an alternative embodiment, the device further comprises a first three-way interface and a second three-way interface, the first medium inlet and the first medium outlet are connected to the first three-way interface through a first control valve and a third control valve, respectively, and the second medium inlet and the second medium outlet are connected to the second three-way interface through a second control valve and a fourth control valve, respectively. In an alternative embodiment, the flow direction holding mechanism comprises a first three-way valve and a second three-way valve, the first medium inlet and the first medium outlet being connected to the first three-way valve, and the second medium inlet and the second medium outlet being connected to the second three-way valve. In an alternative embodiment, the flow direction holding mechanism comprises a first three-way valve, a second three-way valve, a first three-way connection and a second three-way connection, the first three-way connection being connected to the medium inlet, the first three-way valve and the second three-way valve, respectively, and the second three-way connection being connected to the medium outlet, the first three-way valve and the second three-way valve, respectively. The dye dissolving system provided by the invention has the beneficial effects that the flow direction maintaining mechanism is utilized to ensure that the medium always enters from the medium inlet and flows out