CN211311869U - Supercritical carbon dioxide dyeing machine with preheating separator - Google Patents
Supercritical carbon dioxide dyeing machine with preheating separator Download PDFInfo
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- CN211311869U CN211311869U CN201921327908.8U CN201921327908U CN211311869U CN 211311869 U CN211311869 U CN 211311869U CN 201921327908 U CN201921327908 U CN 201921327908U CN 211311869 U CN211311869 U CN 211311869U
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Abstract
The supercritical carbon dioxide dyeing machine with the preheating separator comprises a dyeing machine, a carbon dioxide storage tank, a preheater, a dyeing box, a separator, a condenser and a cooling system, wherein the carbon dioxide storage tank is connected with the preheater through a first pipeline, the preheater is connected with the dyeing machine through a second pipeline, the dyeing machine is respectively connected with the dye box and the separator through a fourth pipeline and a fifth pipeline, the separator is respectively connected with the condenser and the dye box through a sixth pipeline and an eighth pipeline, the condenser is connected with the carbon dioxide storage tank through a seventh pipeline, and the cooling system is communicated with the dyeing machine through a third pipeline. The whole dyeing process is optimized and integrated at the same time by combining the effect of the existing dyeing machine with the supercritical carbon dioxide technology.
Description
Technical Field
The invention relates to the technical field of supercritical dyeing, in particular to a supercritical carbon dioxide dyeing machine with a preheating separator.
Background
The supercritical carbon dioxide is characterized in that the carbon dioxide is converted into a supercritical state under the conditions that the temperature is higher than the critical temperature and the pressure is higher than the critical pressure, a gas-liquid two-phase interface disappears, the density is close to liquid, the viscosity is close to gas, and the diffusion coefficient is 100 times of that of the liquid, so that the supercritical carbon dioxide has surprising dissolving capacity, and meanwhile, the carbon dioxide is non-toxic and low in cost, so that the supercritical carbon dioxide is widely applied to the dyeing industry.
In the existing dyeing industry, printed and dyed objects are generally dyed by a dyeing machine, but part of dyeing machines cannot be effectively combined with a supercritical carbon dioxide technology, so that resource waste caused by the dyeing machine is serious, and the dyeing efficiency and the dyeing quality need to be improved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a supercritical carbon dioxide dyeing machine with a preheating separator, which solves the problems that part of dyeing machines cannot be effectively combined with a supercritical carbon dioxide technology, the resource waste caused by the dyeing machines is serious, and the dyeing efficiency and the dyeing quality need to be improved.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the supercritical carbon dioxide dyeing machine with the preheating separator comprises a dyeing machine, a carbon dioxide storage tank, a preheater, a dyeing box, a separator, a condenser and a cooling system, wherein the carbon dioxide storage tank is connected with the preheater through a first pipeline, the preheater is connected with the dyeing machine through a second pipeline, the dyeing machine is respectively connected with the dye box and the separator through a fourth pipeline and a fifth pipeline, the separator is respectively connected with the condenser and the dye box through a sixth pipeline and an eighth pipeline, the condenser is connected with the carbon dioxide storage tank through a seventh pipeline, and the cooling system is communicated with the dyeing machine through a third pipeline.
Preferably, the first pipeline is communicated with a booster pump.
Preferably, a disperse dye is arranged in the dye box.
Preferably, the carbon dioxide storage tank is liquid carbon dioxide.
Preferably, the first pipeline, the second pipeline, the third pipeline, the fourth pipeline, the fifth pipeline, the sixth pipeline, the seventh pipeline and the eighth pipeline are all provided with regulating valves.
Preferably, the dyeing method comprises the following steps:
s1, pretreatment: preparing a printed and dyed object, adding a proper amount of additive into a pretreatment device, uniformly mixing the additive and clear water, and then putting the printed and dyed object into the pretreatment device for treatment for 8-12 minutes;
s2, dyeing: putting the pretreated printed and dyed material into a dyeing machine, injecting disperse dye into the dyeing machine through a dye box, wherein the mass of the disperse dye is 2-3% of the mass of the printed and dyed material, then starting a booster pump, boosting the carbon dioxide in a carbon dioxide storage tank to the critical pressure by the booster pump and sending the carbon dioxide to a preheater, heating the carbon dioxide to the critical temperature by the preheater and sending the carbon dioxide into the dyeing machine, controlling the temperature in the dyeing machine to be 35-50 ℃, the pressure to be 10-22MPa, controlling the flow rate of the supercritical fluid to be 2-10L/h, controlling the dyeing time to be 36-42 minutes, closing the dyeing machine after dyeing is finished, discharging the carbon dioxide in the dyeing machine, treating the carbon dioxide by a separator, entering the dye carried in the carbon dioxide into the dye box for collection, cooling the gaseous carbon dioxide by a condenser and then returning to the carbon dioxide storage tank for collection, starting a cooling system after the dyeing machine reaches normal pressure, and taking out the printed and dyed object when the dyeing machine reaches normal pressure, normal temperature and normal pressure;
s3, cleaning: taking out the dyed printed and dyed object, preparing clear water, repeatedly cleaning for 3-5 times, 5-9 minutes each time, and taking out the printed and dyed object to dehydrate after cleaning the printed and dyed object once, so that the dehydration rate of the printed and dyed object reaches more than 8 percent;
s4, drying: and (3) putting the cleaned printed and dyed object on a drying device, controlling the temperature of the drying device at 38-46 ℃, drying for 2-3 hours, and then naturally cooling at normal temperature.
Preferably, the additive is a penetrating agent, nylon, anhydrous sodium sulphate, an auxiliary agent and a surfactant.
The working principle is as follows: putting a dyeing material into a dyeing machine, injecting disperse dye into the dyeing machine through a dye box, wherein the mass of the disperse dye is 2-3% of the mass of the dyeing material, then starting a booster pump, boosting the carbon dioxide in a carbon dioxide storage tank to the critical pressure by the booster pump, sending the carbon dioxide to a preheater, heating the carbon dioxide to the critical temperature by the preheater, sending the carbon dioxide into the dyeing machine, controlling the temperature in the dyeing machine to be 35-50 ℃, the pressure to be 10-22MPa, controlling the flow of a supercritical fluid to be 2-10L/h, controlling the dyeing time to be 36-42 minutes, after dyeing is finished, closing the dyeing machine, discharging the carbon dioxide in the dyeing machine, after the carbon dioxide is treated by a separator, feeding the dye carried in the carbon dioxide into the dye box for collection, cooling the gaseous carbon dioxide by a condenser, returning to a carbon dioxide storage tank for collection, and starting the cooling system after the dyeing machine reaches the normal pressure, and taking out the printed and dyed object when the dyeing machine reaches the normal pressure, the normal temperature and the normal pressure.
(III) advantageous effects
The invention provides a supercritical carbon dioxide dyeing machine with a preheating separator. The method has the following beneficial effects:
according to the supercritical carbon dioxide dyeing machine with the preheating separator and the dyeing method thereof, the existing dyeing machine is effectively combined with the supercritical carbon dioxide technology, and the whole dyeing process is optimized and integrated, so that the resource waste caused by the dyeing machine is greatly reduced, and the dyeing efficiency and the dyeing quality are obviously improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Wherein, 1, dyeing machine; 2. a carbon dioxide storage tank; 3. a preheater; 4. a dye box; 5. a separator; 6. a condenser; 7. a cooling system; 8. a booster pump; 9. a first conduit; 10. a second conduit; 11. a third pipeline; 12. a fourth conduit; 13. a fifth pipeline; 14. a sixth pipeline; 15. a seventh pipe; 16. and an eighth conduit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, an embodiment of the present invention provides a supercritical carbon dioxide dyeing machine with a preheated separator, including a dyeing machine 1, a carbon dioxide storage tank 2, a preheater 3, a dye tank 4, a separator 5, a condenser 6 and a cooling system 7, where the carbon dioxide storage tank 2 is connected to the preheater 3 through a first pipeline 9, the preheater 3 is connected to the dyeing machine 1 through a second pipeline 10, the dyeing machine 1 is connected to the dye tank 4 and the separator 5 through a fourth pipeline 12 and a fifth pipeline 13, respectively, the separator 5 is connected to the condenser 6 and the dye tank 4 through a sixth pipeline 14 and an eighth pipeline 16, respectively, the condenser 6 is connected to the carbon dioxide storage tank 2 through a seventh pipeline 15, the cooling system 7 is connected to the dyeing machine 1 through a third pipeline 11, the first pipeline 9 is connected to a booster pump 8, a disperse dye is disposed in the dye tank 4, liquid carbon dioxide is in the carbon dioxide storage tank 2, the first pipeline 9, the second pipeline 10, the third pipeline 11, the fourth pipeline 12, the fifth pipeline 13, the sixth pipeline 14, the seventh pipeline 15 and the eighth pipeline 16 are all provided with regulating valves.
The dyeing method comprises the following steps:
s1, pretreatment: preparing a printed and dyed object, adding a proper amount of additive into a pretreatment device, uniformly mixing the additive and clear water, and then putting the printed and dyed object into the pretreatment device for treatment for 8 minutes;
s2, dyeing: putting the pretreated printed and dyed material into a dyeing machine 1, injecting disperse dye into the dyeing machine 1 through a dye box 4, wherein the mass of the disperse dye is 2-3% of the mass of the printed and dyed material, starting a booster pump 8, boosting the carbon dioxide in a carbon dioxide storage tank 2 to a critical pressure by the booster pump 8 and sending the carbon dioxide to a preheater 3, heating the carbon dioxide to the critical temperature by the preheater 3 and sending the carbon dioxide into the dyeing machine 1, controlling the temperature in the dyeing machine 1 at 50 ℃, the pressure at 22MPa, controlling the flow rate of the supercritical fluid at 10L/h, controlling the dyeing time at 36 minutes, after dyeing is finished, closing the dyeing machine 1, discharging the carbon dioxide in the dyeing machine 1, after the carbon dioxide is treated by a separator 5, feeding the dye carried in the carbon dioxide into the dye box 4 for collection, cooling the gaseous carbon dioxide by a condenser 6 and then returning to the carbon dioxide storage tank 2 for collection, starting the cooling system 7 after the dyeing machine 1 reaches the normal pressure, and taking out the printed and dyed object when the dyeing machine 1 reaches the normal pressure, the normal temperature and the normal pressure;
s3, cleaning: taking out the dyed printed and dyed object, preparing clear water, repeatedly cleaning for 3 times, 9 minutes each time, and taking out the printed and dyed object to dehydrate after the printed and dyed object is cleaned once, so that the dehydration rate of the printed and dyed object reaches more than 8;
s4, drying: and (3) putting the cleaned printed and dyed object on a drying device, controlling the temperature of the drying device at 46 ℃, drying for 2 hours, and then naturally cooling at normal temperature.
Wherein the additive is penetrant, nylon, anhydrous sodium sulphate, auxiliary agent and surfactant.
Example two:
as shown in fig. 1, an embodiment of the present invention provides a supercritical carbon dioxide dyeing machine with a preheated separator and a method for manufacturing the supercritical carbon dioxide dyeing machine, including a dyeing machine 1, a carbon dioxide storage tank 2, a preheater 3, a dye tank 4, a separator 5, a condenser 6 and a cooling system 7, wherein the carbon dioxide storage tank 2 is connected with the preheater 3 through a first pipeline 9, the preheater 3 is connected with the dyeing machine 1 through a second pipeline 10, the dyeing machine 1 is respectively connected with the dye tank 4 and the separator 5 through a fourth pipeline 12 and a fifth pipeline 13, the separator 5 is respectively connected with the condenser 6 and the dye tank 4 through a sixth pipeline 14 and an eighth pipeline 16, the condenser 6 is connected with the carbon dioxide storage tank 2 through a seventh pipeline 15, the cooling system 7 is connected with the dyeing machine 1 through a third pipeline 11, the first pipeline 9 is connected with a booster pump 8, the dye tank 4 is provided with disperse dye, the carbon dioxide storage tank 2 is liquid carbon dioxide, the first pipeline 9, the second pipeline 10, the third pipeline 11, the fourth pipeline 12, the fifth pipeline 13, the sixth pipeline 14, the seventh pipeline 15 and the eighth pipeline 16 are all provided with regulating valves.
The dyeing method comprises the following steps:
s1, pretreatment: preparing a printed and dyed object, adding a proper amount of additive into a pretreatment device, uniformly mixing the additive and clear water, and then putting the printed and dyed object into the pretreatment device for treatment for 10 minutes;
s2, dyeing: putting the pretreated printed and dyed material into a dyeing machine 1, injecting disperse dye into the dyeing machine 1 through a dye box 4, wherein the mass of the disperse dye is 2-3% of the mass of the printed and dyed material, starting a booster pump 8, boosting the carbon dioxide in a carbon dioxide storage tank 2 to a critical pressure by the booster pump 8 and sending the carbon dioxide to a preheater 3, heating the carbon dioxide to the critical temperature by the preheater 3 and sending the carbon dioxide into the dyeing machine 1, controlling the temperature in the dyeing machine 1 at 42 ℃, the pressure at 16MPa, controlling the flow rate of the supercritical fluid at 6L/h, controlling the dyeing time at 40 minutes, after dyeing is finished, closing the dyeing machine 1, discharging the carbon dioxide in the dyeing machine 1, after the carbon dioxide is treated by a separator 5, feeding the dye carried in the carbon dioxide into the dye box 4 for collection, cooling the gaseous carbon dioxide by a condenser 6 and then returning to the carbon dioxide storage tank 2 for collection, starting the cooling system 7 after the dyeing machine 1 reaches the normal pressure, and taking out the printed and dyed object when the dyeing machine 1 reaches the normal pressure, the normal temperature and the normal pressure;
s3, cleaning: taking out the dyed printed matter, preparing clear water, repeatedly cleaning for 4 times, 5-9 minutes each time, and taking out the printed matter for dehydration after cleaning the printed matter once, so that the dehydration rate of the printed matter reaches more than 8;
s4, drying: and (3) putting the cleaned printed and dyed object on a drying device, controlling the temperature of the drying device at 42 ℃ and the drying time at 2.5 hours, and then naturally cooling at normal temperature.
Wherein the additive is penetrant, nylon, anhydrous sodium sulphate, auxiliary agent and surfactant.
Example three:
as shown in fig. 1, an embodiment of the present invention provides a supercritical carbon dioxide dyeing machine with a preheated separator and a method for manufacturing the supercritical carbon dioxide dyeing machine, including a dyeing machine 1, a carbon dioxide storage tank 2, a preheater 3, a dye tank 4, a separator 5, a condenser 6 and a cooling system 7, wherein the carbon dioxide storage tank 2 is connected with the preheater 3 through a first pipeline 9, the preheater 3 is connected with the dyeing machine 1 through a second pipeline 10, the dyeing machine 1 is respectively connected with the dye tank 4 and the separator 5 through a fourth pipeline 12 and a fifth pipeline 13, the separator 5 is respectively connected with the condenser 6 and the dye tank 4 through a sixth pipeline 14 and an eighth pipeline 16, the condenser 6 is connected with the carbon dioxide storage tank 2 through a seventh pipeline 15, the cooling system 7 is connected with the dyeing machine 1 through a third pipeline 11, the first pipeline 9 is connected with a booster pump 8, the dye tank 4 is provided with disperse dye, the carbon dioxide storage tank 2 is liquid carbon dioxide, the first pipeline 9, the second pipeline 10, the third pipeline 11, the fourth pipeline 12, the fifth pipeline 13, the sixth pipeline 14, the seventh pipeline 15 and the eighth pipeline 16 are all provided with regulating valves.
The dyeing method comprises the following steps:
s1, pretreatment: preparing a printed and dyed object, adding a proper amount of additive into a pretreatment device, uniformly mixing the additive and clear water, and then putting the printed and dyed object into the pretreatment device for treatment for 12 minutes;
s2, dyeing: putting the pretreated printed and dyed material into a dyeing machine 1, injecting disperse dye into the dyeing machine 1 through a dye box 4, wherein the mass of the disperse dye is 2-3% of the mass of the printed and dyed material, starting a booster pump 8, boosting the carbon dioxide in a carbon dioxide storage tank 2 to a critical pressure by the booster pump 8 and sending the carbon dioxide to a preheater 3, heating the carbon dioxide to the critical temperature by the preheater 3 and sending the carbon dioxide into the dyeing machine 1, controlling the temperature in the dyeing machine 1 at 35 ℃, the pressure at 10MPa, controlling the flow rate of the supercritical fluid at 2L/h, controlling the dyeing time at 42 minutes, closing the dyeing machine 1 after dyeing is finished, discharging the carbon dioxide in the dyeing machine 1, after the carbon dioxide is treated by a separator 5, feeding the dye carried in the carbon dioxide into the dye box 4 for collection, cooling the gaseous carbon dioxide by a condenser 6 and then returning to the carbon dioxide storage tank 2 for collection, starting the cooling system 7 after the dyeing machine 1 reaches the normal pressure, and taking out the printed and dyed object when the dyeing machine 1 reaches the normal pressure, the normal temperature and the normal pressure;
s3, cleaning: taking out the dyed printed and dyed object, preparing clear water, repeatedly cleaning for 5 times, each time for 5 minutes, and taking out the printed and dyed object to dehydrate after each time of cleaning the printed and dyed object, so that the dehydration rate of the printed and dyed object reaches more than 8 percent;
s4, drying: and (3) placing the cleaned printed and dyed object on a drying device, controlling the temperature of the drying device at 38 ℃, drying for 3 hours, and then naturally cooling at normal temperature.
Wherein the additive is penetrant, nylon, anhydrous sodium sulphate, auxiliary agent and surfactant.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. Supercritical carbon dioxide dyeing machine with preheating separator, including dyeing machine (1), carbon dioxide holding vessel (2), pre-heater (3), dye box (4), separator (5), condenser (6) and cooling system (7), its characterized in that: carbon dioxide holding vessel (2) are connected with preheater (3) through first pipeline (9), preheater (3) are connected with dyeing machine (1) through second pipeline (10), dyeing machine (1) are connected with dye box (4) and separator (5) respectively through fourth pipeline (12) and fifth pipeline (13), separator (5) are connected with condenser (6) and dye box (4) respectively through sixth pipeline (14) and eighth pipeline (16), condenser (6) are connected with carbon dioxide holding vessel (2) through seventh pipeline (15), cooling system (7) are passed through third pipeline (11) and dyeing machine (1) switch-on.
2. The supercritical carbon dioxide dyeing machine with pre-heated separator according to claim 1, characterized by: the first pipeline (9) is communicated with a booster pump (8).
3. The supercritical carbon dioxide dyeing machine with pre-heated separator according to claim 2, characterized by: the first pipeline (9), the second pipeline (10), the third pipeline (11), the fourth pipeline (12), the fifth pipeline (13), the sixth pipeline (14), the seventh pipeline (15) and the eighth pipeline (16) are all provided with regulating valves.
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| CN201921327908.8U CN211311869U (en) | 2019-08-16 | 2019-08-16 | Supercritical carbon dioxide dyeing machine with preheating separator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438701A (en) * | 2019-08-16 | 2019-11-12 | 江苏高科制药设备有限公司 | Supercritical CO 2 dyeing machine and its colouring method with pre- heat separator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438701A (en) * | 2019-08-16 | 2019-11-12 | 江苏高科制药设备有限公司 | Supercritical CO 2 dyeing machine and its colouring method with pre- heat separator |
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Granted publication date: 20200821 Termination date: 20210816 |