One-bath dyeing process and equipment thereof

Abstract

The invention relates to the technical field of one-bath dyeing processes, in particular to a one-bath dyeing process and equipment thereof.The one-bath dyeing process comprises the following steps that S1, fabric to be dyed is soaked in a dye bath containing dye and a compound additive; s2, sequentially performing pretreatment, dyeing and post-treatment in the dye bath; s3, by adjusting the pH value, the temperature and the time of the dye bath, synchronous completion of a multi-step process in a single bath is achieved; s4, finally, the fabric is subjected to water washing, color fixing and drying treatment. Through the arrangement of the process, one-bath dyeing treatment work is convenient to carry out.

Description

Technical Field

[0001] The invention relates to the technical field of one-bath dyeing process, in particular to a one-bath dyeing process and equipment thereof. Background Art

[0002] One-bath dyeing is a process that combines two or more different dye types in a single dye bath for the simultaneous dyeing of blended or interwoven fabrics. The key is to optimize dye selection, process conditions, and auxiliary systems to efficiently dye different fibers in the same bath. This method offers advantages such as energy savings and reduced production processes, but also presents challenges such as color fastness control and process adaptability.

[0003] According to Chinese patent publication number CN221740641U, it relates to the technical field of dyeing equipment, specifically a one-bath one-step dyeing device, including a fabric one-bath one-step dyeing device body and a dyeing box arranged on the fabric one-bath one-step dyeing device body, the interior of the dyeing box is provided with two water storage tanks, the bottom surfaces of the two water storage tanks are fixedly installed with a plurality of nozzles, the left side of the dyeing box is fixedly installed with a water pump, and the water inlet end of the water pump is fixedly installed with a water inlet pipe. The one-bath one-step dyeing device, through the cooperation of the water pump and the nozzle, conveniently cleans the interior of the dyeing box, improves the cleaning efficiency and dyeing efficiency, filters the water under the action of the filter screen, and tries to avoid impurities from entering the interior of the dyeing box, thereby improving the dyeing effect. At the same time, through the threaded connection between the screw and the slider, the water storage tank is driven to move, which is convenient for the staff to operate.

[0004] At present, the existing one-bath dyeing process, equipment and the above-mentioned cases are not convenient for efficient dyeing when used, and are likely to cause uneven dyeing. Therefore, improvements are made to address the above-mentioned problems. Summary of the Invention

[0005] In view of the problems in the prior art, the present invention provides a one-bath dyeing process and equipment thereof.

[0006] The technical solution adopted by the present invention to solve the technical problem is: a one-bath dyeing process, comprising the following steps: S1: Immerse the fabric to be dyed in a dye bath containing dyes and compound auxiliaries; S2: performing pretreatment, dyeing and post-treatment in the dye bath in sequence; S3: By adjusting the pH value, temperature and time of the dye bath, multiple steps of the process can be completed simultaneously in a single bath; S4: The fabric is finally washed, fixed and dried.

[0007] The composite auxiliary agent includes a penetrant, a pH buffer, a dispersant and a color fixation accelerator. The pretreatment in step S2 is a desizing treatment, the dyeing is one-bath dyeing, and the post-treatment is soaping, and all steps are completed continuously in a single dye bath. The pH value of the dye bath is adjusted in the range of 4-12, the temperature is controlled at 30-130° C., and the treatment time is 20-120 minutes. The dye is a mixed dye of reactive dyes, disperse dyes and acid dyes. The composite auxiliary agent further includes a metal ion chelating agent for eliminating the influence of heavy metal ions in the dye bath on the dyeing effect. In step S3, the synergistic effect of different process steps is achieved by segmented heating and gradient pH adjustment. The bath ratio of the dye bath is 1:5-1:50, and the color fastness of the final fabric reaches level 4. The one-bath dyeing process can improve the dyeing effect, save 30%-50% of water and 20%-40% of energy compared with the traditional multi-bath process, facilitate continuous dyeing processing, and improve production efficiency.

[0008] A one-bath dyeing device includes a dyeing processing structure, wherein a side end of the dyeing processing structure is electrically connected to a controller, and the dyeing processing structure is assembled through a reduction transmission component and a dyeing processing component, and the side end of the reduction transmission component is sealed and connected to the dyeing processing component; The reduction transmission component is used for reduction transmission work. The motor transmits power through the first gear plate, the second gear plate, and the gear ring, driving the rotating rod to rotate on the first bearing ring and the second bearing ring, thereby guiding and collecting the cloth. The top cover is opened, and the cloth is introduced through the opening and closing window. The cloth is guided by the first guide roller and reaches the rotating rod. At this time, the motor can control the rotation of the gear ring, and the gear ring drives the meshed first gear plate to follow the rotation through the second gear plate. The first gear plate is fixed to the rotating rod, so that the rotating rod rotates between the first bearing ring and the second bearing ring, thereby performing the winding work; The dyeing processing component is used for dyeing fabrics. The dyeing tank contains a bath of dye. The connecting pipe, heating seat, and material guide pipe are used to introduce the dye. The steam conduit is connected to the annular heat conduction pipe through the heating and insulation seat for internal heating treatment, thereby performing high-temperature dyeing treatment.

[0009] Specifically, the side ends of the dyeing processing structure are supported by a support frame, the lower end of the support frame is fixedly connected to a cross frame, the side ends of the cross frame are fixedly connected to a supporting bottom block, the side ends of the supporting bottom block are fixedly connected to an escalator, and the controller is located at the rear end of the escalator.

[0010] Specifically, the reduction transmission component includes a sealing seat, a first bearing ring and a rotating rod. The center of the sealing seat is fixedly connected to the first bearing ring. The rotating rod rotates at the center of the first bearing ring. The side end of the rotating rod is rotatably connected to the second bearing ring. The side of the rotating rod away from the second bearing ring is fixed to the first gear disc. The first gear disc is meshed with the second gear disc, and the second gear disc is meshed with the gear ring. The side end of the gear ring is installed with a motor. The structural setting of the dyeing processing structure facilitates the one-bath dyeing of the cloth. The cloth is introduced through the opening and closing window and guided to the rotating rod by the first guide roller. At this time The motor controls the rotation of the gear ring, which drives the first gear plate to rotate through the second gear plate. The first gear plate drives the rotating rod to rotate between the first bearing ring and the second bearing ring to collect the cloth. At the same time, the dye is introduced through the connecting pipe, heated by the heating seat, and introduced into the interior of the dyeing tank through the material guide pipe. At this time, the steam duct introduces the annular heat conduction pipe to heat the steam through the heating and insulation seat, and then discharges it through the steam exhaust pipe, thereby heating the inside of the dyeing tank. After winding is completed, it is guided to the opening and closing window through the second guide roller for external discharge, thereby achieving efficient cloth dyeing processing.

[0011] Specifically, the dyeing processing component includes a dyeing vat, the upper end of the dyeing vat is connected to a material guide pipe, the side end of the material guide pipe is connected to a connecting pipe through a heating seat, the lower end of the dyeing vat is connected to a drain pipe, the side end of the drain pipe is connected to a branch pipe, the side end of the dyeing vat is fixedly connected to a sealing seat block, a first guide roller and a second guide roller are rotatably provided on the sealing seat block, the first guide roller and the second guide roller are symmetrically arranged about the sealing seat block, a pressure detector is installed on the upper part of the side end of the dyeing vat, the steam conduit can introduce heating steam, the heating steam reaches the heating and heat preservation seat through the steam conduit, and then is guided to the annular heat conduction pipe through the heating and heat preservation seat, the annular heat conduction pipe is distributed in a ring in the dyeing vat to perform heating work inside the dyeing vat, and then the steam is guided to the steam exhaust pipe through the heating and heat preservation seat for drainage treatment.

[0012] Specifically, a heating and heat preservation seat is installed at the rear end of the dyeing vat, one side of the heating and heat preservation seat is connected to a steam duct, the other side of the heating and heat preservation seat is connected to a steam exhaust pipe, the front end of the heating and heat preservation seat is connected to the annular heat conduction pipe, and the annular heat conduction pipe is distributed in a ring shape on the inner wall of the dyeing vat, an opening and closing window is provided at the upper center end of the dyeing vat, and a top cover is provided on the opening and closing window. When the top cover is closed, the top of the opening and closing window is sealed. At this time, the connecting pipe can introduce dye, and the dye reaches the heating seat through the connecting pipe, is heated by the heating seat, and is then guided to the inside of the dyeing vat through the material guide pipe for dyeing.

[0013] Specifically, the side of the dyeing vat away from the sealing seat block is fixedly connected to the sealing seat, the second bearing ring is fixedly arranged at the center of the sealing seat block, the rotating rod rotates in the center of the dyeing vat, and the support frame supports the motor.

[0014] The transmission mechanism that this second roller is connected with this second roller is fixed on the support plate, and this second roller is connected with the support plate, and this second roller is connected with the support plate.

[0015] The dyeing drum is dyed by the roller conveyor belt, and the dyeing drum is dyed by the roller conveyor belt.

[0016] Beneficial effects of the present invention: 1. The present invention facilitates one-bath dyeing of fabrics through the structural setting of the dyeing processing structure. The fabric is introduced through the opening and closing window and guided to the rotating rod by the first guide roller. At this time, the motor controls the gear ring to rotate, and the second gear disc drives the first gear disc to rotate in coordination. The first gear disc drives the rotating rod to rotate between the first bearing ring and the second bearing ring to collect the fabric. At the same time, the dye is introduced through the connecting pipe, heated by the heating seat, and introduced into the interior of the dyeing vat through the material guide pipe. At this time, the steam conduit introduces the annular heat conduction pipe to heat the steam through the heating and insulation seat, and then discharges it through the steam exhaust pipe, thereby heating the interior of the dyeing vat. After winding is completed, it is guided to the opening and closing window by the second guide roller for external discharge, thereby performing efficient fabric dyeing processing.

[0017] Secondly, the present invention can divide the internal space of the dyeing vat through the structural setting of the continuous guiding mechanism. The cloth is introduced through the fourth roller, then guided to the third roller through the second roller and the first roller, and then transmitted to the rotating rod through the third roller for dyeing. Then, it is guided and discharged through the symmetrically arranged third roller, first roller, second roller, and fourth roller, thereby realizing continuous processing. Third, the present invention can improve the dyeing effect by setting up a one-bath dyeing process, and save 30%-50% of water and 20%-40% of energy compared with the traditional multi-bath process, making it convenient to carry out continuous dyeing processing and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings and examples.

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the main body of the present invention from the front perspective; Figure 2 This is a schematic diagram of the three-dimensional structure of the main body of the present invention from a side perspective; Figure 3 This is a schematic diagram of the three-dimensional structure of the main body of the present invention from a rear perspective; Figure 4 This is a schematic diagram of the three-dimensional structure of the dyeing treatment structure of the present invention from a front perspective; Figure 5 This is a split diagram of the dyeing treatment structure of the present invention; Figure 6 This is a schematic diagram of the three-dimensional structure of the reduction transmission component of the present invention from a front perspective; Figure 7 This is an exploded view of the reduction transmission component of the present invention; Figure 8 A three-dimensional diagram of the dyeing treatment component of the present invention; Figure 9 This is a disassembled diagram of the dyeing processing component in the present invention; Figure 10 This is an exploded view of the second embodiment of the dyeing processing component of the present invention; Figure 11 It is a three-dimensional diagram of the continuous guiding mechanism in the present invention.

[0020] In the figure: 1-dyeing treatment structure, 2-support frame, 3-cross frame, 4-support bottom block, 5-escalator, 6-controller, 7-reduction transmission component, 8-dyeing treatment component, 9-sealing seat, 10-first bearing ring, 11-rotating rod, 12-second bearing ring, 13-first gear disc, 14-second gear disc, 15-gear ring, 16-motor, 17-opening and closing window, 18-material guide pipe, 19-guide pipe, 20-connecting pipe, 21-heating seat, 22-heating and heat preservation seat, 23- Steam exhaust pipe, 24-top cover, 25-pressure detector, 26-branch pipe, 27-annular heat conduction pipe, 28-first guide roller, 29-sealing seat block, 30-second guide roller, 31-steam conduit, 32-dyeing vat, 33-continuous guiding mechanism, 34-front rod, 35-first rotating roller, 36-electrically controlled telescopic rod, 37-second rotating roller, 38-telescopic controller, 39-carrying plate, 40-oblique frame, 41-third rotating roller, 42-fourth rotating roller, 43-guide separation frame. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0022] The present invention will be further described below with reference to the accompanying drawings.

[0023] Example 1, as Figure 1-9 As shown, a one-bath dyeing process of the present invention comprises the following steps: S1: Immerse the fabric to be dyed in a dye bath containing dyes and compound auxiliaries; S2: performing pretreatment, dyeing and post-treatment in the dye bath in sequence; S3: By adjusting the pH value, temperature and time of the dye bath, multiple steps of the process can be completed simultaneously in a single bath; S4: The fabric is finally washed, fixed and dried.

[0024] The composite auxiliary agent includes a penetrant, a pH buffer, a dispersant and a color fixation accelerator. In step S2, the pretreatment is a desizing treatment, the dyeing is one-bath dyeing, and the post-treatment is soaping. All steps are completed continuously in a single dye bath. The pH value of the dye bath is adjusted in the range of 4-12, the temperature is controlled at 30-130° C., and the treatment time is 20-120 minutes. The dye is a mixed dye of reactive dyes, disperse dyes and acid dyes. The composite auxiliary agent further includes a metal ion chelating agent for eliminating the influence of heavy metal ions in the dye bath on the dyeing effect. In step S3, the synergistic effect of different process steps is achieved through segmented temperature increase and gradient pH adjustment. The bath ratio of the dye bath is 1:5-1:50. The color fastness of the final fabric reaches level 4. The one-bath dyeing process can improve the dyeing effect, save 30%-50% of water and 20%-40% of energy compared with the traditional multi-bath process, facilitate continuous dyeing processing, and improve production efficiency.

[0025] A one-bath dyeing device includes a dyeing processing structure 1, a side end of the dyeing processing structure 1 is electrically connected to a controller 6, and the dyeing processing structure 1 is combined with a reduction transmission component 7 and a dyeing processing component 8, and the side end of the reduction transmission component 7 is sealed and connected to the dyeing processing component 8; The reduction transmission component 7 is used for reduction transmission. The motor 16 transmits power through the first gear plate 13, the second gear plate 14, and the gear ring 15, driving the rotating rod 11 to rotate on the first bearing ring 10 and the second bearing ring 12, thereby guiding and collecting the cloth; The dyeing processing component 8 is used for dyeing the cloth, and the dyeing tank 32 contains a bath of dye. The connecting pipe 20, the heating seat 21, and the material guide pipe 18 introduce the dye, and the steam conduit 31 is connected to the annular heat conduction pipe 27 through the heating and heat preservation seat 22 for internal heating treatment, thereby performing high-temperature dyeing treatment. After a period of dyeing treatment, the wastewater is discharged through the drain pipe 19 and the branch pipe 26. Then the top cover 24 is opened, and the cloth is pulled out through the rotating rod 11 and drained through the second guide roller 30. The pressure detector 25 is set to observe the pressure inside the dyeing tank 32. During the dyeing process, the motor 16 can also continue to drive, driving the gear ring 15 to rotate. Through the guidance of the second tooth disc 14 and the first tooth disc 13, the rotating rod 11 rotates in the dyeing tank 32, driving the cloth to follow the rotation for uniform dyeing treatment.

[0026] The side end of the dyeing processing structure 1 is supported by a support frame 2, the lower end of the support frame 2 is fixedly connected to a cross frame 3, the side end of the cross frame 3 is fixedly connected to a support bottom block 4, the side end of the support bottom block 4 is fixedly connected to an escalator 5, and the controller 6 is arranged at the rear end of the escalator 5 to close the top cover 24, thereby closing the top of the opening and closing window 17. At this time, the connecting pipe 20 can introduce the dye, and the dye reaches the heating seat 21 through the connecting pipe 20, is heated by the heating seat 21, and is then guided to the inside of the dyeing tank 32 through the guide pipe 18 for dyeing processing.

[0027] The reduction transmission component 7 includes a sealing seat 9, a first bearing ring 10 and a rotating rod 11. The center of the sealing seat 9 is fixedly connected to the first bearing ring 10, and the rotating rod 11 rotates at the center of the first bearing ring 10. The side end of the rotating rod 11 is rotatably connected to the second bearing ring 12. The side of the rotating rod 11 facing away from the second bearing ring 12 is fixed to the first gear disc 13. The first gear disc 13 is meshed with the second gear disc 14, and the second gear disc 14 is meshed with the gear ring 15. The side end of the gear ring 15 is installed with a motor 16. The top cover 24 is opened and the cloth is introduced through the opening and closing window 17. The cloth is guided by the first guide roller 28 to reach the rotating rod 11. At this time, the motor 16 can control the gear ring 15 to rotate. The gear ring 15 drives the meshed first gear disc 13 to rotate through the second gear disc 14. The first gear disc 13 is fixed to the rotating rod 11, so that the rotating rod 11 rotates between the first bearing ring 10 and the second bearing ring 12, thereby performing the winding work.

[0028] The dyeing processing component 8 includes a dyeing vat 32, the upper end of the dyeing vat 32 is connected with a guide pipe 18, the side end of the guide pipe 18 is connected with a connecting pipe 20 through a heating seat 21, the lower end of the dyeing vat 32 is connected with a guide pipe 19, the side end of the guide pipe 19 is connected with a branch pipe 26, the side end of the dyeing vat 32 is fixedly connected with a sealing seat block 29, and a first guide roller 28 and a second guide roller 30 are rotatably provided on the sealing seat block 29. The first guide roller 28 and the second guide roller 30 are symmetrically arranged about the sealing seat block 29. A pressure detector 25 is installed on the upper part of the side end of the dyeing vat 32. The structural setting of the dyeing processing structure 1 facilitates the one-bath dyeing of the cloth. The cloth is introduced through the opening and closing window 17 and guided by the first guide roller 28. To the rotating rod 11, at this time the motor 16 controls the gear ring 15 to rotate, and drives the first gear disc 13 to rotate through the second gear disc 14, and the first gear disc 13 drives the rotating rod 11 to rotate between the first bearing ring 10 and the second bearing ring 12 to collect the cloth. At the same time, the dye is introduced through the connecting pipe 20, heated by the heating seat 21, and introduced into the interior of the dyeing tank 32 through the material guide pipe 18. At this time, the steam duct 31 introduces the annular heat conduction pipe 27 to heat the steam through the heating and insulation seat 22, and then discharges it through the steam exhaust pipe 23, thereby heating the interior of the dyeing tank 32. After winding is completed, it is guided to the opening and closing window 17 through the second guide roller 30 for external discharge, thereby performing efficient dyeing processing.

[0029] A heating and heat preservation seat 22 is installed at the rear end of the dyeing vat 32. A steam duct 31 is provided on one side of the heating and heat preservation seat 22, and a steam exhaust pipe 23 is provided on the other side of the heating and heat preservation seat 22. The front end of the heating and heat preservation seat 22 is connected to the annular heat conduction pipe 27. The annular heat conduction pipe 27 is distributed in a ring shape on the inner wall of the dyeing vat 32. An opening and closing window 17 is provided at the central upper end of the dyeing vat 32, and a top cover 24 is provided on the opening and closing window 17. The steam duct 31 can introduce heating steam. The heating steam reaches the heating and heat preservation seat 22 through the steam duct 31, and then is guided to the annular heat conduction pipe 27 through the heating and heat preservation seat 22. The annular heat conduction pipe 27 is distributed in a ring shape in the dyeing vat 32 to perform heating work inside the dyeing vat 32. After that, the steam is guided to the steam exhaust pipe 23 through the heating and heat preservation seat 22 for exhaust treatment.

[0030] The dyeing vat 32 is fixedly connected to the sealing seat 9 on the side away from the sealing seat block 29 , the second bearing ring 12 is fixedly arranged at the center position of the sealing seat block 29 , the rotating rod 11 rotates in the center of the dyeing vat 32 , and the support frame 2 supports the motor 16 .

[0031] The working principle is as follows: when in use, the user opens the top cover 24 and introduces the fabric through the opening and closing window 17. The fabric is guided by the first guide roller 28 and reaches the rotating rod 11. At this time, the motor 16 can control the gear ring 15 to rotate. The gear ring 15 drives the meshed first gear plate 13 to rotate along with it through the second gear plate 14. The first gear plate 13 is fixed to the rotating rod 11, so that the rotating rod 11 rotates between the first bearing ring 10 and the second bearing ring 12, thereby performing the winding operation; After that, the top cover 24 can be closed to seal the top of the opening and closing window 17. At this time, the connecting pipe 20 can be used to introduce dye. The dye reaches the heating seat 21 through the connecting pipe 20, is heated by the heating seat 21, and is then guided to the inside of the dyeing tank 32 through the guide pipe 18 for dyeing. At the same time, the steam conduit 31 can introduce heating steam, which reaches the heating and heat preservation seat 22 through the steam conduit 31, and is then guided to the annular heat conduction pipe 27 through the heating and heat preservation seat 22. The annular heat conduction pipe 27 is distributed in an annular manner in the dyeing vat 32 to heat the interior of the dyeing vat 32. The steam is then guided to the steam exhaust pipe 23 through the heating and heat preservation seat 22 for exhaust treatment. After a period of dyeing treatment, the wastewater is drained through the drain pipe 19 and the branch pipe 26. Then the top cover 24 is opened, the cloth is pulled out through the rotating rod 11, and drained through the second guide roller 30. The pressure detector 25 is set to observe the pressure situation inside the dyeing tank 32. During the dyeing process, the motor 16 can also continue to drive, driving the gear ring 15 to rotate. Through the guidance of the second gear disc 14 and the first gear disc 13, the rotating rod 11 rotates in the dyeing tank 32, driving the cloth to follow the rotation, performing uniform dyeing treatment, and completing the work.

[0032] Example 2, based on Example 1, Figure 10-11As shown, a continuous guiding mechanism 33 is fixedly provided in the dyeing vat 32, and the continuous guiding mechanism 33 includes a guiding separation frame 43, and a fourth roller 42 is rotatably provided on the guiding separation frame 43. The lower end of the guiding separation frame 43 is fixedly connected to a supporting plate 39, and a telescopic controller 38 is installed on the upper end of the supporting plate 39. The telescopic controller 38 changes the position of the second roller 37 through the electric telescopic rod 36, and the electric telescopic rod 36 and the second roller 37 are relatively rotated. The supporting plate 39 is fixedly connected to a front rod 34, and the front rod 34 is rotatably connected to the first roller 35. The lower end of the plate 39 is fixedly connected to an oblique frame 40, and a third roller 41 is rotatably connected to the oblique frame 40. Through the structural arrangement of the continuous guiding mechanism 33, the internal space of the dyeing tank 32 can be divided. The cloth is introduced through the fourth roller 42, and then guided to the third roller 41 through the second roller 37 and the first roller 35. It is then transferred to the rotating rod 11 through the third roller 41 for dyeing. After that, it is guided and discharged through the symmetrically arranged third roller 41, the first roller 35, the second roller 37, and the fourth roller 42, thereby realizing continuous processing. The upper end of the guide separation frame 43 is fixed to the dyeing vat 32, and the oblique frame 40 separates the bottom of the dyeing vat 32. The cloth is guided to the second roller 37 by the fourth roller 42, and then guided to the third roller 41 by the first roller 35, and reaches the bottom position of the dyeing vat 32 for dyeing. After that, the cloth contacts the rotating rod 11, and the cloth is symmetrically guided through the third roller 41, the first roller 35, the second roller 37, and the fourth roller 42 for drainage. During use, the cloth can be introduced through the fourth roller 42, and then guided to the first roller 35 through the second roller 37, and then guided to the third roller 41, and introduced to the bottom of the dyeing tank 32 for dyeing treatment, and subsequently guided by the symmetrically arranged third roller 41, first roller 35, second roller 37, and fourth roller 42 to perform discharge work, thereby facilitating continuous processing and production. When taken out, the symmetrically arranged telescopic controller 38 can control the electric telescopic rod 36 to contract, so that the second roller 37 squeezes the cloth and squeezes out excess dye. The dye can continue to be guided to the bottom of the dyeing tank 32, thereby performing continuous dyeing production.

[0033] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A one-bath dyeing process, characterized in that: The following steps are involved: S1: Immerse the fabric to be dyed in a dye bath containing dyes and compound auxiliaries; S2: performing pretreatment, dyeing and post-treatment in the dye bath in sequence; S3: By adjusting the pH value, temperature and time of the dye bath, multiple steps of the process can be completed simultaneously in a single bath; S4: The fabric is finally washed, fixed and dried.

2. A one-bath dyeing process according to claim 1, characterized in that: The composite auxiliary agent includes a penetrant, a pH buffer, a dispersant, and a color fixation accelerator. The pretreatment in step S2 is a desizing treatment, the dyeing is one-bath dyeing, and the post-treatment is soaping. All steps are completed continuously in a single dye bath. The pH value of the dye bath is adjusted in the range of 4-12, the temperature is controlled at 30-130° C., and the treatment time is 20-120 minutes. The dye is a mixed dye of reactive dyes, disperse dyes, and acid dyes. The composite auxiliary agent further includes a metal ion chelating agent for eliminating the influence of heavy metal ions in the dye bath on the dyeing effect. In step S3, the synergistic effect of different process steps is achieved through segmented heating and gradient pH adjustment. The bath ratio of the dye bath is 1:5-1:50, and the color fastness of the final fabric reaches level 4.

3. A one-bath dyeing apparatus, using the one-bath dyeing process according to claim 2, characterized in that: The invention comprises a dyeing processing structure (1), wherein the side end of the dyeing processing structure (1) is electrically connected to a controller (6), and the dyeing processing structure (1) is combined through a reduction transmission component (7) and a dyeing processing component (8), and the side end of the reduction transmission component (7) is sealed and connected to the dyeing processing component (8); The reduction transmission component (7) is used for reduction transmission work, and the motor (16) transmits power through the first gear plate (13), the second gear plate (14), and the gear ring (15), driving the rotating rod (11) to rotate on the first bearing ring (10) and the second bearing ring (12), thereby guiding and collecting the cloth; The dyeing treatment component (8) is used for dyeing fabrics, and a bath of dye is contained in the dyeing vat (32). The dye is introduced into the dye via the connecting pipe (20), the heating seat (21), and the material guide pipe (18). The steam conduit (31) is connected to the annular heat conducting pipe (27) via the heating and heat preservation seat (22) to perform internal heating treatment, thereby performing high-temperature dyeing treatment.

4. The one-bath dyeing equipment according to claim 3, characterized in that: The side ends of the dyeing treatment structure (1) are supported by a support frame (2), the lower end of the support frame (2) is fixedly connected to a cross frame (3), the side ends of the cross frame (3) are fixedly connected to a support bottom block (4), the side ends of the support bottom block (4) are fixedly connected to an escalator (5), and the controller (6) is arranged at the rear end of the escalator (5).

5. The one-bath dyeing equipment according to claim 4, characterized in that: The reduction transmission component (7) includes a sealing seat (9), a first bearing ring (10) and a rotating rod (11), wherein the center of the sealing seat (9) is fixedly connected to the first bearing ring (10), the rotating rod (11) rotates at the center of the first bearing ring (10), the side end of the rotating rod (11) is rotatably connected to the second bearing ring (12), the side of the rotating rod (11) facing away from the second bearing ring (12) is fixed to the first toothed disc (13), the first toothed disc (13) is meshedly connected to the second toothed disc (14), the second toothed disc (14) is meshedly connected to the gear ring (15), and the side end of the gear ring (15) is mounted with a motor (16).

6. The one-bath dyeing equipment according to claim 5, characterized in that: The dyeing processing component (8) includes a dyeing vat (32), the upper end of the dyeing vat (32) is connected to a material guide pipe (18), the side end of the material guide pipe (18) is connected to a connecting pipe (20) through a heating seat (21), the lower end of the dyeing vat (32) is connected to a guide pipe (19), the side end of the guide pipe (19) is connected to a branch pipe (26), the side end of the dyeing vat (32) is fixedly connected to a sealing seat block (29), a first guide roller (28) and a second guide roller (30) are rotatably provided on the sealing seat block (29), the first guide roller (28) and the second guide roller (30) are symmetrically arranged about the sealing seat block (29), and a pressure detector (25) is installed on the upper part of the side end of the dyeing vat (32).

7. The one-bath dyeing equipment according to claim 6, characterized in that: A heating and heat preservation seat (22) is installed at the rear end of the dyeing vat (32), a steam conduit (31) is connected to one side of the heating and heat preservation seat (22), and a steam exhaust pipe (23) is connected to the other side of the heating and heat preservation seat (22). The front end of the heating and heat preservation seat (22) is connected to the annular heat conduction pipe (27), and the annular heat conduction pipe (27) is distributed in an annular manner on the inner wall of the dyeing vat (32). An opening and closing window (17) is provided at the central upper end of the dyeing vat (32), and a top cover (24) is provided on the opening and closing window (17).

8. The one-bath dyeing equipment according to claim 7, characterized in that: The dyeing vat (32) is fixedly connected to the sealing seat (9) on a side facing away from the sealing seat block (29), the second bearing ring (12) is fixedly arranged at the center of the sealing seat block (29), the rotating rod (11) rotates at the center of the dyeing vat (32), and the support frame (2) supports the motor (16).

9. The one-bath dyeing equipment according to claim 8, characterized in that: A continuous guiding mechanism (33) is fixedly provided in the dyeing vat (32), and the continuous guiding mechanism (33) includes a guiding separation frame (43), a fourth roller (42) is rotatably provided on the guiding separation frame (43), a supporting plate (39) is fixedly connected to the lower end of the guiding separation frame (43), a telescopic controller (38) is installed on the upper end of the supporting plate (39), the telescopic controller (38) changes the position of the second roller (37) through the electric telescopic rod (36), and the electric telescopic rod (36) and the second roller (37) are relatively rotatably arranged, a front rod (34) is fixedly connected to the supporting plate (39), and the front rod (34) is rotatably connected to the first roller (35), and the lower end of the supporting plate (39) is fixedly connected to an inclined frame (40), and the inclined frame (40) is rotatably connected to the third roller (41).

10. The one-bath dyeing equipment according to claim 9, characterized in that: The upper end of the guide separation frame (43) is fixed to the dyeing vat (32), and the oblique frame (40) separates the bottom of the dyeing vat (32). The cloth is guided to the second roller (37) by the fourth roller (42), and then guided to the third roller (41) by the first roller (35), and reaches the bottom position of the dyeing vat (32) for dyeing. After that, the cloth contacts the rotating rod (11), and the cloth is guided and discharged through the symmetrical third roller (41), the first roller (35), the second roller (37), and the fourth roller (42).

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