CN114016231A - Dyeing system and dyeing method - Google Patents
Dyeing system and dyeing method Download PDFInfo
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- CN114016231A CN114016231A CN202111421705.7A CN202111421705A CN114016231A CN 114016231 A CN114016231 A CN 114016231A CN 202111421705 A CN202111421705 A CN 202111421705A CN 114016231 A CN114016231 A CN 114016231A
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- 238000004043 dyeing Methods 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims description 15
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 25
- 230000004087 circulation Effects 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims description 32
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 9
- 235000011152 sodium sulphate Nutrition 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 abstract description 3
- 239000000975 dye Substances 0.000 description 43
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 239000000835 fiber Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012913 medium supplement Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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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
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/14—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics in wound form
-
- 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
- D06B23/04—Carriers or supports for textile materials to be treated
-
- 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
- D06B23/14—Containers, e.g. vats
- D06B23/18—Sealing arrangements
-
- 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
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
- D06B23/205—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation for adding or mixing constituents of the treating material
-
- 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
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
- D06B23/22—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation for heating
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention provides a dyeing system which comprises a dyeing tank and a mixing barrel which are connected, wherein the dyeing tank is arranged horizontally and is internally provided with a mounting pore plate to divide the dyeing tank into a first cavity and a second cavity, and a positioning assembly for positioning a yardage roll is arranged in the first cavity; a booster pump is arranged between the mixing barrel and the second chamber, liquid in the mixing barrel is pumped into a first heat exchanger arranged in the second chamber by the booster pump, and the liquid is guided into the inside of the yardage roll by the first heat exchanger; the dyeing tank is also provided with a circulating assembly which forms circulation with the first chamber and the second chamber, a second heat exchanger is arranged in the circulating assembly, and liquid in the first chamber enters the circulating assembly, then enters the first heat exchanger after being heated by the second heat exchanger, and then enters the inside of the yardage roll. The dyeing system provided by the invention can realize the dyeing of the non-woven fabric only by one-time operation, the efficiency is high, and meanwhile, the dyeing rate of the dyed non-woven fabric can reach more than 90%, and the color fixing rate can reach more than 90%.
Description
Technical Field
The invention relates to the technical field of non-woven fabric dyeing equipment, in particular to a dyeing system and a dyeing method.
Background
In the prior art, a pre-dyeing process is generally adopted, namely, dyeing is carried out before non-woven fabric is manufactured, so that fine colored fibers are easily remained in non-woven fabric processing equipment, and the fine colored fibers are difficult to clean. In the processing process of the non-woven fabric of the later batch, the fine colored fibers can influence the processed non-woven fabric, so that the non-woven fabric of the later batch has the heterochromatic defect.
When the post-dyeing process is adopted, prepared dye liquor is generally loaded in a dye vat, and then the non-woven fabric is continuously fed into and led out of the dye vat to complete dyeing, but the non-woven fabric processed by the dyeing process has the condition that the color quality does not reach the standard, and the operation is often required for many times in order to improve the dyeing quality, so that the efficiency is not high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a dyeing system and a dyeing method, which solve the problem of low dyeing efficiency caused by the fact that dyeing operation needs to be carried out for multiple times in order to meet the dyeing requirement in the prior art.
According to the embodiment of the invention, the dyeing system comprises a dyeing tank and a mixing barrel which are connected, wherein the dyeing tank is horizontally arranged and is internally provided with a mounting hole plate to divide the dyeing tank into a first chamber and a second chamber, and a positioning assembly for positioning a cloth roll is arranged in the first chamber;
a booster pump is arranged between the mixing barrel and the second chamber, liquid in the mixing barrel is pumped into a first heat exchanger arranged in the second chamber by the booster pump, and the liquid is guided into the inside of the yardage roll by the first heat exchanger;
the dyeing tank is also provided with a circulating assembly which forms circulation with the first chamber and the second chamber, a second heat exchanger is arranged in the circulating assembly, and liquid in the first chamber enters the circulating assembly, then enters the first heat exchanger after being heated by the second heat exchanger, and then enters the inside of the yardage roll.
The invention is characterized in that the dye liquor is introduced into the dyeing tank by using the mixing barrel outside the dyeing tank, and the dye liquor is diffused outwards from the center of the yardage roll, so that the yardage roll can be fully soaked by the dye liquor, and the dyeing efficiency and the dyeing quality can be improved.
Further, locating component includes first base and the second base with first cavity fixed connection, be provided with first draw-in groove and second draw-in groove on first base and the second base respectively, the yardage roll includes well cavity section of thick bamboo and convolutes the non-woven fabrics on well cavity section of thick bamboo, wherein the one end of well cavity section of thick bamboo is opened and has been seted up a plurality of through-holes on the outer wall, the non-woven fabrics covers all through-holes, first draw-in groove and second draw-in groove are blocked respectively to the both ends of well cavity section of thick bamboo, it is provided with connecting pipe and well cavity section of thick bamboo both ends and clamps the back connecting pipe and links to each other with the end of opening of well cavity section of thick bamboo to open between first heat exchanger and the well cavity section of thick bamboo.
Furthermore, the connecting pipe is fixedly connected with the first base and stretches into the open end and extends into the first clamping groove, and the second base is provided with a push rod which is right opposite to the connecting pipe in a telescopic mode and the push rod penetrates through the second base and is abutted to the hollow cylinder.
Further, the circulation assembly comprises a pump body arranged between the second chamber and the second heat exchanger, and a three-way valve is further arranged between the pump body and the second heat exchanger.
Further, the mixing barrels are two.
Further, the first heat exchanger comprises a heat exchange tube, and two ends of the heat exchange tube are respectively communicated with the booster pump and the yardage roll;
the second heat exchanger comprises an inner pipe and a sleeve sleeved outside the inner pipe, wherein two ends of the inner pipe are respectively communicated with the first cavity and the heat exchange pipe, and two ends of the sleeve are connected with an inlet pipe and an outlet pipe.
Further, a tank cover for opening and closing the second chamber is provided on the dyeing tank.
Further, a balance tank communicated with the first chamber is arranged on the dyeing tank.
According to an embodiment of the present invention, there is also provided a method of dyeing using the above dyeing system, including the steps of:
the cloth roll is placed in the first cavity, the dyeing tank is closed, dyeing liquid is introduced into the dyeing tank through water introduced into the dyeing tank so that the dyeing liquid and the water are introduced into the dyeing tank and the hollow cylinder of the cloth roll, the circulating assembly is started to enable the liquid in the dyeing tank to circulate among the first cavity, the second cavity and the circulating assembly, the temperature of the liquid is maintained at 85-90 ℃ through the second heat exchanger, the heat is preserved for 10-15min, then high-temperature discharge is carried out, the heat is preserved for 10-15min at 75-80 ℃, then overflow water washing is carried out, meanwhile, sulfuric acid is introduced into the dyeing tank to adjust the pH value to 6-7.5, and the cloth roll can be taken out after cooling and opening the dyeing tank.
Further, the dye liquor comprises color paste and anhydrous sodium sulphate.
Compared with the prior art, the invention has the following beneficial effects:
the dyeing system provided by the invention can realize the dyeing of the non-woven fabric only by one-time operation, the efficiency is high, meanwhile, the dyeing rate of the dyed non-woven fabric can reach more than 90%, and the color fixing rate can reach more than 90%;
can avoid remaining tiny coloured fibre in the non-woven fabrics processing equipment, the jar that dyes simultaneously can wash conveniently to make the non-woven fabrics between each batch can not appear the condition of mutual interference.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portion of an embodiment of the present invention;
in the above drawings:
dyeing tank 1, mixing barrel 2, first cavity 3, second cavity 4, yardage roll 5, booster pump 6, first heat exchanger 7, second heat exchanger 8, first base 9, second base 10, installation orifice plate 11, first draw-in groove 12, second draw-in groove 13, cavity section of thick bamboo 14, open end 15, connecting pipe 16, ejector pin 17, cover 18, pump body 19, three-way valve 20, compensating tank 21, inner tube 22, sleeve 23, advance pipe 24, exit tube 25, thermoscope 26.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
As shown in fig. 1 and 2, the present embodiment provides a dyeing system, which comprises a dyeing tank 1 and a mixing barrel 2 connected with each other, wherein the dyeing tank 1 is horizontally arranged and is provided with a mounting hole plate 11 therein to divide the dyeing tank into a first chamber 3 and a second chamber 4, wherein the first chamber 3 is provided with a positioning assembly for positioning a cloth roll 5, the dyeing tank 1 is further provided with a tank cover 18 for feeding and discharging the cloth roll 5, the tank cover 18 is opened to place the cloth roll 5 on the positioning assembly, then the tank cover 18 is closed to seal the dyeing tank 1, and then the subsequent operation can be started;
a booster pump 6 is arranged between the mixing barrel 2 and the second chamber 4, the booster pump 6 pumps the liquid in the mixing barrel 2 into a first heat exchanger 7 arranged in the second chamber 4, the liquid is introduced into the inside of the yardage roll 5 through the first heat exchanger 7, and then the liquid is leached out of the inside of the yardage roll 5 into the first chamber 3 and the second chamber 4 (the first chamber 3 and the second chamber 4 are communicated through a mounting hole plate 11), wherein the mixing barrel 2 is used for mixing dyes and then is introduced into the dyeing tank 1, meanwhile, water can also be introduced into the dyeing tank 1 through the mixing barrel 2, further, the mixing barrel 2 is provided with two mixing barrels, and the pumping pipe of the booster pump 6 can be switched between the two mixing barrels 2 (the pumping pipe of the booster pump 6 is a hose and can be moved, so that the switching between the two mixing barrels 2 is convenient, a valve (tee joint) can be arranged to be connected with a pumping pipe of the booster pump 6, then the valve is connected with two suction pipes, the suction pipes are respectively connected with the two mixing barrels 2, so that the switching is controlled through the valve), when dye is added, the dye can be respectively prepared in the two mixing barrels 2 and then is sent into the dyeing tank 1 in time;
the dyeing tank 1 is also externally provided with a circulating assembly which forms circulation with the first chamber 3 and the second chamber 4, the circulating assembly is internally provided with a second heat exchanger 8, liquid (namely dye liquor) in the first chamber 3 enters the circulating assembly, then enters the first heat exchanger 7 after being heated by the second heat exchanger 8, then enters the inside of the cloth roll 5, and then is leached out to the outside of the cloth roll 5 and enters the first chamber 3.
As shown in fig. 1 and 2, the main point of the invention of the present embodiment is that a dye liquor is introduced into a dyeing tank 1 by using a mixing barrel 2 outside the dyeing tank 1, and the dye liquor is diffused outwards from the center of a cloth roll 5, so that the cloth roll 5 can be fully soaked by the dye liquor, and the dyeing efficiency and the dyeing quality can be improved; secondly, make the dye liquor can be in 5 inside and outside circulations of yardage roll continuously through the circulation subassembly of peripheral hardware, improve the contact efficiency of dye liquor and yardage roll 5, thereby make the efficiency of dyeing promote, carry out heat treatment at the circulation in-process simultaneously, concretely, heat through second heat exchanger 8, dye liquor among the second heat exchanger 8 can also carry out the heat transfer with the dye liquor in the first cavity 3 after getting into first heat exchanger 7, can make dyeing tank 1's heat preservation performance promote like this, thereby make the dye liquor can get into inside the yardage roll 5 under same temperature, then outwards dip-dye and get into in first cavity 3 and the second cavity 4, then return to in the dyeing tank 1 after circulation subassembly derives and the concurrent heating.
As shown in fig. 1 and 2, further, the positioning assembly includes a first base 9 and a second base 10 fixedly connected to the first chamber 3, a first clamping groove 12 and a second clamping groove 13 are respectively disposed on the first base 9 and the second base 10, the fabric roll 5 includes a hollow cylinder 14 and a non-woven fabric wound on the hollow cylinder 14, wherein one end of the hollow cylinder 14 is open and a plurality of through holes are disposed on an outer wall of the hollow cylinder 14, the non-woven fabric covers all the through holes, two ends of the hollow cylinder 14 are respectively clamped into the first clamping groove 12 and the second clamping groove 13, a connecting pipe 16 is disposed between the first heat exchanger 7 and the hollow cylinder 14, and the connecting pipe 16 is connected to an open end 15 of the hollow cylinder 14 after two ends of the hollow cylinder 14 are clamped. That is, the non-woven fabric roll 5 is wound on the hollow cylinder 14 to form the fabric roll 5, two ends of the hollow cylinder 14 are erected in the first clamping groove 12 and the second clamping groove 13, the dye liquor enters the hollow cylinder 14 from the first heat exchanger 7 through the open end 15 of the hollow cylinder 14, and then is diffused outwards through the through hole formed in the hollow cylinder 14, so that the dye liquor enters the interior of the laminated non-woven fabric and is then dip-dyed outwards, and meanwhile, the dye liquor is also filled in the whole dyeing tank 1 to enable the fabric roll 5 to be soaked in the dye liquor, namely, the fabric roll 5 is soaked in the dye liquor, and meanwhile, the dye liquor flows inside and outside the fabric roll 5, so that the dyeing efficiency is improved, and the dyeing quality is improved.
As shown in fig. 1 and 2, in order to enable the dye solution to smoothly enter the hollow cylinder 14, the connecting pipe 16 is fixedly connected with the first base 9 and extends into the first clamping groove 12, the second base 10 is telescopically provided with an ejector rod 17 opposite to the connecting pipe 16, the ejector rod 17 penetrates through the second base 10 and abuts against the hollow cylinder 14, wherein one end of the connecting pipe 16 is fixedly connected with the first heat exchanger 7, the other end of the connecting pipe penetrates through the installation pore plate 11 and then is fixedly connected with the first base 9 and extends into the open end 15, and the installation pore plate 11 provides a supporting function for the first heat exchanger 7 while separating the first chamber 3 from the second chamber 4, so that the first heat exchanger 7 is stably arranged in the second chamber 4. Specifically, when the cloth roll 5 is placed, the cover 18 is opened, the cloth roll 5 is lifted to be higher than the dyeing tank 1, then the cloth roll is placed into the first chamber 3, meanwhile, two ends of the hollow cylinder 14 are clamped into the first clamping groove 12 and the second clamping groove 13, the open end 15 is staggered with the connecting pipe 16, then the hollow cylinder 14 is horizontally pushed by the ejector rod 17, so that the connecting pipe 16 extends into the open end 15, wherein the inner diameter of the open end 15 is larger than the outer diameter of the connecting pipe 16, the hollow cylinder 14 is displaced by pushing of the ejector rod 17, the connecting pipe 16 is pushed into the open end 15, the cloth roll 5 is placed completely, and then the cover 18 is closed; the ejector rod 17 can be in sliding connection with the second base 10 or in threaded connection with the second base 10, the ejector rod 17 can be prevented from being separated from the second base 10 by the threaded connection, and meanwhile the hollow cylinder 14 and the connecting pipe 16 are always in a communication state; in particular, after the dyeing is completed, the mandrel 17 is withdrawn in the opposite direction, and then the hollow cylinder 14 and the connecting tube 16 are disconnected, so that the dyed fabric roll 5 can be lifted out.
As shown in fig. 1, the circulation assembly in this embodiment includes a pump body 19 disposed between the second chamber 4 and the second heat exchanger 8, and a three-way valve 20 is further disposed between the pump body 19 and the second heat exchanger 8. The pump body 19 provides power for the circulation of dye liquor between first cavity 3 (including second cavity 4), the circulation subassembly, first heat exchanger 7 and yardage roll 5, the three-way valve 20 that sets up is then for the convenience to derive the dye liquor in dyeing jar 1 completely after dyeing and sets up, the three-way valve 20 makes circulation subassembly and dyeing jar 1 communicate promptly in the circulation process, then make dyeing jar 1 and outside intercommunication in order to realize the flowing back function after finishing, in particular, also can conveniently wash dyeing jar 1, introduce the washing liquid through mixing tub 2 and booster pump 6 in to dyeing jar 1, then make the washing liquid circulate between dyeing jar 1 and circulation subassembly through the circulation subassembly, after the circulation after all derive the washing liquid through three-way valve 20 can.
As shown in fig. 1, the dyeing tank 1 is further provided with a balance tank 21 communicated with the first chamber 3, the balance tank 21 is used for adjusting the air pressure and water amount in the dyeing tank 1, water is required to be added into the dyeing tank 1 at the beginning of dyeing, the water can be added through the balance tank 21 or can be added through the mixing barrel 2 and the booster pump 6, when the pressure and temperature in the dyeing tank 1 are increased, the temperature is reduced and reduced through the outward exhaust mode of the balance tank 21, and an exhaust valve and a liquid discharge pipe are arranged on the balance tank 21.
As shown in fig. 1, the first heat exchanger 7 in the present embodiment includes a heat exchange tube, both ends of which are respectively communicated with the booster pump 6 and the fabric roll 5;
the second heat exchanger 8 comprises an inner tube 22 and a sleeve 23 sleeved outside the inner tube 22, wherein two ends of the inner tube 22 are respectively communicated with the first chamber 3 and the heat exchange tube, a cavity is arranged between the inner wall of the sleeve 23 and the outer wall of the sleeve 22, and two ends of the sleeve 23 are connected with an inlet tube 24 and an outlet tube 25. Specifically, the inlet pipe 24 and the outlet pipe 25 are used for introducing and discharging a heating medium, such as high-pressure steam, or heat conducting oil, into the cavity, the heating medium supplements heat to the dye solution in the inner pipe 22 after entering the sleeve 23, then the dye liquor is led into a heat exchange pipe (namely a first heat exchanger 7), the dye liquor (namely the dye liquor in the second chamber 4) is filled outside the heat exchange pipe, the dye liquor in the heat exchange pipe has higher temperature after heat compensation, then the dyeing liquid is subjected to heat exchange with the dyeing liquid outside the heat exchange pipe (namely inside the second chamber 4), so that the inside and the outside of the yardage roll 5 can be in the same temperature state, the dyeing is ensured to be carried out at constant temperature, particularly, the temperature is conveniently measured, a temperature detector 26 can be arranged in the first chamber 3, the temperature of the dye liquor can be detected through the temperature detector 26, then, the temperature of the heating medium is increased or decreased according to the requirement (meanwhile, the temperature can also be decreased by using the balance tank 21 according to the situation) so as to realize the adjustment of the temperature of the dye liquor;
wherein, the inner tube 22 and the booster pump 6 are provided with valves, when introducing materials into the dyeing tank 1, the valve on the booster pump 6 is in an open state, the inner tube 22 is in a closed state, and the circulation is performed in a reverse state, so as to ensure that the dye liquor can not flow back to the booster pump 6 or be directly introduced into the circulating assembly.
In another embodiment, a dyeing method is provided, in particular, the non-woven fabric is wound on a hollow cylinder 14 to form a fabric roll 5, then the cloth roll 5 is put into the first chamber 3, the dyeing tank 1 is closed, water is introduced into the dyeing tank 1, dye liquor is introduced into the dyeing tank 1 so as to introduce dye and water into the dyeing tank 1 and the hollow cylinder 14 of the cloth roll 5, the circulating component is started to enable the liquid in the dyeing tank 1 to circulate among the first chamber 3, the second chamber 4 and the circulating component, keeping the temperature of the liquid at 85-90 ℃ for 10-15min through a second heat exchanger 8, then discharging at high temperature to reduce the temperature, keeping the temperature at 75-80 ℃ for 10-15min, then overflow water washing is carried out, meanwhile, sulfuric acid is introduced into the dyeing tank 1 to adjust the pH value to 6-7.5, and after cooling, the dyeing tank 1 is opened, and then the yardage roll 5 can be taken out.
Specifically, the mass ratio of the dye solution to the nonwoven fabric used was 10: 1, the dye solution is a mixed solution of color paste, anhydrous sodium sulphate and water, and the color paste comprises one of yellow goose-yellow paste, red paste or other color pastes; when the dye is added, the anhydrous sodium sulphate is added in several times, based on 50kg of the use amount of the color paste, 200kg of anhydrous sodium sulphate is added for the first time, 200kg of anhydrous sodium sulphate is added for the second time, 200kg of anhydrous sodium sulphate is added for the third time, the water consumption is 15t, specifically:
the color paste is stirred and mixed uniformly through the mixing barrel 2, and 1: 1, introducing the mixed water and color paste into a dyeing tank 1 through a booster pump 6, then adding anhydrous sodium sulphate and a proper amount of water into a mixing barrel 2 in a plurality of times to fully dissolve the anhydrous sodium sulphate, then introducing the mixture into the dyeing tank through the booster pump 6, and then starting a circulating assembly to carry out heat preservation operation; wherein the content of the first and second substances,
high temperature between two heat preservation discharges and realizes the cooling operation through balance tank 21 promptly, adjusts the heating temperature of second heat exchanger 8 simultaneously and makes lower temperature maintain, through two heat preservation backs, stops the heating, then carries out overflow washing, specifically: the cooling water is introduced into the dyeing tank 1 through the booster pump 6 for overflow water washing, namely, redundant liquid in the dyeing tank 1 is led out from the balance tank 21, the pH value of the liquid flowing out from the balance tank 21 is 6-7.5 by adding sulfuric acid while introducing the cooling water, the liquid can be stopped when the temperature of the liquid to be flowed out is reduced to 30 ℃, and then all the liquid is led out through the three-way valve 20, so that the dyed cloth roll 5 can be taken out.
The following nonwoven fabrics were dyed under different operating conditions, and the statistics of the dyeing were obtained, as listed below:
as can be seen from the above table, the dyeing rate and the color fastness can be kept above 90% by the method, but the dyeing rate and the color fastness slide down if the temperature is low, namely, as shown in the serial number 6.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. A dyeing system is characterized by comprising a dyeing tank and a mixing barrel which are connected, wherein the dyeing tank is arranged horizontally and is internally provided with a mounting hole plate to divide the dyeing tank into a first cavity and a second cavity, and a positioning assembly for positioning a cloth roll is arranged in the first cavity;
a booster pump is arranged between the mixing barrel and the second chamber, liquid in the mixing barrel is pumped into a first heat exchanger arranged in the second chamber by the booster pump, and the liquid is guided into the inside of the yardage roll by the first heat exchanger;
the dyeing tank is also provided with a circulating assembly which forms circulation with the first chamber and the second chamber, a second heat exchanger is arranged in the circulating assembly, and liquid in the first chamber enters the circulating assembly, then enters the first heat exchanger after being heated by the second heat exchanger, and then enters the inside of the yardage roll.
2. The dyeing system according to claim 1, wherein the positioning assembly comprises a first base and a second base fixedly connected with the first chamber, the first base and the second base are respectively provided with a first clamping groove and a second clamping groove, the cloth roll comprises a hollow cylinder and non-woven fabric wound on the hollow cylinder, one end of the hollow cylinder is open, the outer wall of the hollow cylinder is provided with a plurality of through holes, the non-woven fabric covers all the through holes, two ends of the hollow cylinder are respectively clamped into the first clamping groove and the second clamping groove, a connecting pipe is arranged between the first heat exchanger and the hollow cylinder, and after two ends of the hollow cylinder are clamped, the connecting pipe is connected with the open end of the hollow cylinder.
3. The dyeing system according to claim 2, wherein the connecting tube is fixedly connected to the first base and extends into the open end and into the first slot, and the second base is telescopically provided with a push rod opposite to the connecting tube, and the push rod penetrates through the second base and abuts against the hollow cylinder.
4. The dyeing system according to claim 1, wherein the circulation assembly includes a pump body disposed between the second chamber and the second heat exchanger, and a three-way valve is further disposed between the pump body and the second heat exchanger.
5. Dyeing system according to claim 1, characterized in that the mixing tanks are two.
6. The dyeing system according to any one of claims 1 to 5, wherein the first heat exchanger comprises a heat exchange tube, and two ends of the heat exchange tube are respectively communicated with the booster pump and the cloth roll;
the second heat exchanger comprises an inner pipe and a sleeve sleeved outside the inner pipe, wherein two ends of the inner pipe are respectively communicated with the first cavity and the heat exchange pipe, and two ends of the sleeve are connected with an inlet pipe and an outlet pipe.
7. The dyeing system according to claim 6, wherein the dyeing vessel is provided with a vessel lid for opening and closing the second chamber.
8. Dyeing system according to claim 7, characterized in that the dyeing tank is also provided with a balancing tank communicating with the first chamber.
9. A dyeing method characterized by using the dyeing system as claimed in claim 1 for dyeing, comprising the steps of:
the cloth roll is placed in the first cavity, the dyeing tank is closed, dyeing liquid is introduced into the dyeing tank through water introduced into the dyeing tank so that the dyeing liquid and the water are introduced into the dyeing tank and the hollow cylinder of the cloth roll, the circulating assembly is started to enable the liquid in the dyeing tank to circulate among the first cavity, the second cavity and the circulating assembly, the temperature of the liquid is maintained at 85-90 ℃ through the second heat exchanger, the heat is preserved for 10-15min, then high-temperature discharge is carried out, the heat is preserved for 10-15min at 75-80 ℃, then overflow water washing is carried out, meanwhile, sulfuric acid is introduced into the dyeing tank to adjust the pH value to 6-7.5, and the cloth roll can be taken out after cooling and opening the dyeing tank.
10. The dyeing method according to claim 9, characterized in that the dyeing liquor comprises color paste and anhydrous sodium sulphate.
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Cited By (1)
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| CN116752309A (en) * | 2023-08-22 | 2023-09-15 | 兴化金孔雀实业发展有限公司 | Textile dyeing equipment |
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