CN116180367A - Supercritical anhydrous dyeing and color sample printing system with detachable dye box and application thereof - Google Patents
Supercritical anhydrous dyeing and color sample printing system with detachable dye box and application thereof Download PDFInfo
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- CN116180367A CN116180367A CN202211098349.4A CN202211098349A CN116180367A CN 116180367 A CN116180367 A CN 116180367A CN 202211098349 A CN202211098349 A CN 202211098349A CN 116180367 A CN116180367 A CN 116180367A
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- 238000004043 dyeing Methods 0.000 title claims abstract description 270
- 238000007639 printing Methods 0.000 title claims abstract description 21
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 146
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 73
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 73
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000004964 aerogel Substances 0.000 claims description 14
- 239000011230 binding agent Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 12
- 239000004753 textile Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010009 beating Methods 0.000 claims 2
- 239000003086 colorant Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004040 coloring Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000349 chromosome Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
- G01N1/31—Apparatus therefor
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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
- 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
- D06B23/10—Devices for dyeing samples
-
- 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
- D06B9/00—Solvent-treatment of textile materials
- D06B9/02—Solvent-treatment of textile materials solvent-dyeing
-
- 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
- D06B9/00—Solvent-treatment of textile materials
- D06B9/06—Solvent-treatment of textile materials with recovery of the solvent
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- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
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- Molecular Biology (AREA)
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- Biochemistry (AREA)
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Abstract
The invention relates to the field of ecological environment-friendly anhydrous dyeing, in particular to a supercritical anhydrous dyeing and color sample printing system with a detachable dye box, which comprises a carbon dioxide gas supply assembly, a circulating dyeing assembly, a plurality of dyeing kettles and the dye box connected to the dyeing kettles, wherein the dye box is detachable between the dyeing kettles and the circulating dyeing assembly; the carbon dioxide gas supply assembly is used for storing carbon dioxide gas and is communicated into the dyeing kettle through the first connecting pipe, one end of the dye box is detachably connected with the first connecting pipe of the dyeing kettle, and the other end of the dye box is detachably connected with the circulating dyeing assembly. The invention can realize quick color change, thereby quickly completing the proofing of different colors.
Description
Technical Field
The invention relates to the field of ecological and environment-friendly anhydrous dyeing, in particular to a supercritical anhydrous dyeing color sample printing system with a detachable dye box and application thereof, which are suitable for color matching and sample printing of supercritical carbon dioxide anhydrous dyeing technology.
Background
The printing and dyeing equipment is used as an important support for transformation and upgrading in the printing and dyeing industry, is influenced by multiple factors such as increased environmental protection policy pressure, structural adjustment of textile products, popularization of numerical control new technology and the like in recent years, and the steps of the upgrading and the technical innovation of the printing and dyeing equipment are continuously accelerated so as to support the transformation from resource consumption type to resource saving type and environmental protection type in the printing and dyeing industry.
The supercritical carbon dioxide dyeing technology is an environment-friendly dyeing technology and is regarded as a revolution of the traditional dyeing and finishing industry, the supercritical carbon dioxide is an anhydrous dyeing technology which uses supercritical fluid to replace water as a dyeing medium, the dye is carried into a dyeing kettle through the supercritical fluid to contact with fabrics and dye, after dyeing is completed, the supercritical fluid is gasified and recycled, and the residual dye is recycled in a solid form. The anhydrous dyeing can completely replace a plurality of processes such as dyeing, reduction, washing, drying and the like of the conventional dyeing process by only one process, and the production period is effectively shortened. Meanwhile, the supercritical carbon dioxide technology is an effective method for greatly relieving the problems of high energy consumption, high pollution, high emission and the like in the printing and dyeing industry from the source, so that the cost of electricity consumption, sewage treatment and the like of printing and dyeing enterprises is reduced.
The supercritical carbon dioxide dyeing technology has been developed for many years, and has taken a step toward industrial production: in 2010, yeh group developed dyeing equipment with 60-80 inch specification for industrial application in Thailand, and realized fiber dyeing with total amount of 100Kg-200Kg each time; in 2012, nike and DyeCoo used supercritical carbon dioxide dyeing techniques to create 2012 olympic marsson suit for kenya marathon player Abel Kirui; the company Adidas sells the first 5 tens of thousands of anhydrous printing T-shirts (228 yuan per selling price) in 2012 in summer; in 2013, nike introduced the first ColorDry anhydrous dyed polo shirt; in 2017, the institute of science and technology, inc. (SBS) of Xingjian, fujian, inc. of Xingjian, co-operate to develop a horizontal two-pot 100L supercritical anhydrous dyeing apparatus suitable for zipper tapes.
However, the conventional water dyeing technology is not suitable for supercritical anhydrous dyeing technology, so that the current market lacks a formula database using carbon dioxide as a dyeing medium, and custom dyeing cannot be performed according to the sample requirements of customers.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the supercritical anhydrous dyeing and color sample printing system with the detachable dye box, which not only can simulate the technological conditions of pilot-scale equipment or industrial equipment, such as temperature, flow, pressure, time and other parameters, but also can be quickly disassembled, assembled and cleaned, can quickly realize the adjustment of a small sample prescription, and can perfect a prescription database of a dyeing method using supercritical carbon dioxide dyeing as a medium.
The invention is realized by the following technical scheme:
the supercritical anhydrous dyeing and color sample printing system with the detachable dye box comprises a carbon dioxide gas supply assembly, a circulating dyeing assembly, a plurality of dyeing kettles and the dye box connected to the dyeing kettles, wherein the dye box is detachable between the dyeing kettles and the circulating dyeing assembly;
the carbon dioxide gas supply assembly is used for storing carbon dioxide gas and is led into the dyeing kettle through the first connecting pipe, one end of the dye box is detachably connected with the first connecting pipe of the dyeing kettle, and the other end of the dye box is detachably connected with the circulating dyeing assembly.
According to an embodiment of the invention, the dye box is connected to the dyeing kettle and the first connecting pipe by clamping, bolting, screwing or other detachable connection modes known in the art, for example, the dye box is connected to the dyeing kettle and the first connecting pipe by mutually matched threaded flanges and bolts.
According to the embodiment of the invention, the dye box comprises a dye box outer cylinder body and a dye box inner cylinder body which are mutually sleeved, and an aerogel binder is arranged between the dye box outer cylinder body and the dye box inner cylinder body.
According to an embodiment of the invention, the upper and lower parts of the outer side of the outer cylinder are also provided with aerogel binders.
According to the embodiment of the invention, the dye box is provided with a first filter screen at one end close to the kettle body, and a second filter screen at one end far away from the kettle body, and preferably the first filter screen and the second filter screen are coated with an aerogel binder.
According to an embodiment of the invention, the thickness of the aerogel binder is 0.1cm-1cm, preferably the thickness of the aerogel binder is 0.3cm-8cm.
According to the embodiment of the invention, the first filter screen and the second filter screen are net structures with filtering functions, and small molecular substances such as liquid drops and suspended particles can pass through the first filter screen and the second filter screen, and powdery dye cannot pass through the first filter screen and the second filter screen.
According to an embodiment of the invention, the first filter screen is provided with a heat insulating plate.
According to an embodiment of the invention, the first filter screen is connected with a first connecting pipe arranged in the dyeing kettle through a hole lens pad, and the second filter screen is connected with a second connecting pipe through a hole lens pad.
According to an embodiment of the invention, the dye box is provided with a dye filling head, the dye filling head is positioned close to the second connecting pipe, and preferably a plug is arranged on a filling opening of the dye filling head.
According to an embodiment of the invention, the carbon dioxide gas supply assembly comprises at least one carbon dioxide storage tank connected to the dyeing tank by a pipe.
According to an embodiment of the present invention, the carbon dioxide gas supply assembly further includes a carbon dioxide booster pump, and a valve is provided between the carbon dioxide storage tank and the carbon dioxide booster pump.
According to an embodiment of the invention, the carbon dioxide gas supply assembly further comprises a preheater arranged between the booster pump and the dyeing kettles, and a valve is arranged between the preheater and each dyeing kettle.
According to an embodiment of the present invention, the carbon dioxide gas supply assembly further includes a carbon dioxide steel cylinder that supplies carbon dioxide gas to the carbon dioxide storage tank.
According to an embodiment of the invention, the connection between the carbon dioxide steel cylinder, the carbon dioxide storage tank, the carbon dioxide booster pump and the preheater is realized by pipelines, in particular by gas delivery pipelines, and valves are arranged on the corresponding pipelines for controlling the circulation direction and/or the flow rate of the carbon dioxide gas.
According to the embodiment of the invention, the dyeing circulation assembly is connected between the air inlet and the air outlet of the dyeing kettle, and drives carbon dioxide gas and/or dye to circulate in the kettle body through a pipeline between the air inlet and the air outlet.
According to the embodiment of the invention, the dyeing circulation assembly comprises a circulation pump, wherein the circulation pump is arranged between the air inlet and the air outlet of the dyeing kettle, one end of the circulation pump is connected with the color matching box through a second connecting pipe, and the other end of the circulation pump is connected with the air outlet of the dyeing kettle through a pipeline.
According to the embodiment of the invention, a valve is arranged between the circulating pump and the dyeing kettle.
According to an embodiment of the invention, the anhydrous dyeing and color sample printing system further comprises a heating and cooling assembly, wherein the heating and cooling assembly is connected with the dyeing kettle and is used for injecting a heating medium or a cooling medium into the dyeing kettle to provide the dyeing kettle with the current required temperature.
According to the embodiment of the invention, the anhydrous dyeing and color sample printing system further comprises a condenser, and the air outlet of each dyeing kettle is connected with the condenser.
According to an embodiment of the invention, the condenser is connected to the filter at an end remote from the dyeing kettle.
According to an embodiment of the invention, a valve is arranged between the condenser and the dyeing kettle.
According to the embodiment of the invention, the dyeing kettle comprises a kettle body and a kettle cover arranged at the end part of the kettle body, wherein the kettle cover can perform actions of opening and closing the kettle body.
According to the embodiment of the invention, the kettle cover is provided with the clamp, and the clamp is used for fixing the kettle cover on the kettle body; preferably, the kettle cover and the kettle body are sealed by a sealing gasket.
According to the embodiment of the invention, the kettle body is cylindrical, the inside of the kettle body is hollow, a dyeing cavity is formed in the hollow part, a space required by dyeing is provided, and the dyeing support is detachably connected in the kettle body.
According to the embodiment of the invention, the kettle body is provided with the air inlet and the plurality of air outlets, the air inlet is arranged at the bottom of the kettle body, and the plurality of air outlets are converged into the second pipeline and then connected with the outside.
According to the embodiment of the invention, a first connecting pipe is arranged at one side of the inner part of the kettle body opposite to the kettle cover, the first connecting pipe is connected with the end part of the dyeing support, the air inlet is communicated with the first connecting pipe, and carbon dioxide gas passing through the air inlet enters the kettle body after passing through the first connecting pipe.
According to the embodiment of the invention, the heating or cooling jacket is arranged on the outer side of the kettle body, is of a hollow structure and surrounds the outer wall of the kettle body, and a heating or cooling medium flows into the jacket through a medium inlet and flows out through a medium outlet so as to control the temperature in the kettle body.
Preferably, the medium is a substance capable of heat exchange: water, oil or gas, for example, heat transfer oil.
An application of the supercritical anhydrous dyeing and color sample printing system in dyeing,
a method for dyeing by adopting the supercritical anhydrous dyeing and coloring sample system comprises the following steps:
s1, putting textiles to be dyed into a dyeing kettle, weighing dye, putting the dye into a dye box, putting a dyeing bracket into the dyeing kettle, and sealing the dyeing kettle;
s2, introducing carbon dioxide gas into the dyeing kettle, and heating and pressurizing the dyeing kettle to preset parameters;
and S3, starting a circulating pump to perform dyeing circulation until the dyeing time is reached.
According to an embodiment of the present invention, step S3 is followed by the steps of: when the pressure of the dyeing circulation loop and the dyeing kettle is less than 0.5MPa, opening the kettle cover 14 to open the dyeing kettle body, taking out the dyeing bracket 13 wound with the textile, and finishing dyeing.
According to an embodiment of the invention, the dyeing is completed further comprising the following steps: and (5) replacing the dyeing kettle, and repeating the steps S1-S3 to dye again.
According to an embodiment of the present invention, step S3 is followed by the steps of: and cooling the gas in the current dyeing kettle through a condenser, filtering the cooled gas through a filter, and directly discharging the filtered gas.
According to an embodiment of the invention, step S3 comprises the steps of: and starting a circulating pump to perform dyeing circulation, and continuously circulating dyeing for 15-60min when the temperature and the pressure in the dyeing circulating system reach preset dyeing process parameters, and maintaining the current conditions.
Advantageous effects
1) The dye box is detachably connected with the dyeing kettle and the pipeline, after dyeing is finished, the dye box can be quickly detached and cleaned, the next dyeing can be performed after the dye box is installed again, the cleaning difficulty is low, the speed is high, quick color changing can be realized, further, the proofing of different colors can be quickly completed, whether the current color sample formula is suitable for the supercritical anhydrous dyeing technology can be quickly determined, the construction of a formula database taking carbon dioxide as a dyeing medium is promoted, and custom production is realized.
2) The anhydrous dyeing and color sample printing system can simulate the technological conditions of production type supercritical anhydrous dyeing equipment, including parameters such as temperature, flow, pressure, time and the like, and can be used with the supercritical anhydrous dyeing equipment with high productivity to determine the dye formula and technological parameters required by the production type equipment, thereby obtaining the color required by mass production. And the color sample formula database of the brand new dyeing mode of supercritical carbon dioxide dyeing is enriched gradually, thereby realizing custom-made production.
Drawings
Fig. 1 is a schematic structural view of a dye cartridge in embodiment 1 of the present invention.
In FIG. 1, 1 is a dye box, 2 is an aerogel binder, 3-1 is an outer dye box cylinder, 3-2 is an inner dye box cylinder, 4 is a perforated lens mat, 5 is a first filter screen, 6 is a second filter screen, 7 is a dye filler, 8 is a filler plug, 9-1, 9-2 are threaded flanges, 10-1, 10-2 are stepped-end studs, and 11 is a second connecting pipe.
FIG. 2 is an assembly drawing of the dye box, the dyeing support and the dyeing kettle in the embodiment 1 of the invention.
In FIG. 2, 12 is a chromosome, 13 is a porous dyeing support, 14 is a dyeing kettle cover, 15 is a clamp, 16 is an air outlet (16 a, 16b, 16 c), 17 is an air inlet, 18 is a dyeing kettle jacket, 19 is a medium inlet, and 20 is a medium outlet.
FIG. 3 is a process flow diagram of a supercritical anhydrous dyeing and color-sample-printing system with removable dye-cartridges in accordance with example 2 of the present invention.
In fig. 3, 21 is a carbon dioxide cylinder, 22 is a carbon dioxide tank, 23 is a carbon dioxide pressurizing pump, 24 is a preheater, 25 is a circulation heater, 26 is a circulation pump, 27 is a condenser, 28 is a filter, 29 is a heating and cooling unit, and 30 is a valve.
Detailed Description
The method according to the invention will be described in further detail below with reference to the drawings and the specific examples. It is to be understood that the following examples are illustrative only and are not to be construed as limiting the scope of the invention. All techniques implemented based on the above description of the invention are intended to be included within the scope of the invention.
Example 1
The supercritical anhydrous dyeing and coloring sample system with the detachable dye box comprises a carbon dioxide gas supply assembly, a dyeing circulation assembly, a heating and cooling assembly 29, a plurality of dyeing kettles 12 and a dyeing bracket 13 detachably connected in the dyeing kettles 12, wherein the dye box 1 connected to the dyeing kettles 12 is provided with a plurality of dyeing holes, the carbon dioxide gas supply assembly is connected with the dyeing kettles 12 (in the embodiment, two dyeing kettles 12A and 12B are taken as an example) and used for providing carbon dioxide gas for the dyeing kettles 12 (A, B), the dyeing circulation assembly is communicated with the dyeing kettles 12 (A, B) to form a closed dyeing circulation loop, and the carbon dioxide gas and dye can circulate in the dyeing circulation loop formed by the dyeing circulation assembly and the dyeing kettles 12 (A, B).
The carbon dioxide gas supply assembly comprises a carbon dioxide steel bottle 21, a carbon dioxide storage tank 22, a carbon dioxide booster pump 23 and a preheater 24 which are sequentially connected, wherein a valve 30 (30-1) is arranged between the carbon dioxide storage tank 22 and the carbon dioxide booster pump 23, and valves (30-2 and 30-3) are arranged between the preheater 24 and the dyeing kettles 12 (12A and 12B), wherein the connection among the carbon dioxide steel bottle 21, the carbon dioxide storage tank 22, the carbon dioxide booster pump 23 and the preheater 24 is realized through pipelines, specifically, the connection is realized through gas conveying pipelines, the valves 30-1, 30-2 and 30-3 are arranged on the corresponding pipelines and used for controlling the circulation direction and/or flow rate of carbon dioxide gas, for example, when the valve 30-1 and the valve 30-2 are opened, the carbon dioxide gas supply assembly only supplies the carbon dioxide gas to the dyeing kettles 12A to form an A gas supply branch; when the valve 30-2 is closed and the valves 30-1 and 30-3 are opened, the carbon dioxide supply assembly only supplies carbon dioxide to the dyeing kettle 12B to form a B gas supply branch.
The dyeing circulation assembly comprises a circulation pump 26, wherein the circulation pump 26 is arranged between an air inlet 17 and an air outlet 16 of the dyeing kettle 12, one end of the circulation pump 26 is connected with the air inlet 17 of the dyeing kettle 12 through a pipeline, the other end of the circulation pump is connected with the air outlet 16 of the dyeing kettle 12 through a pipeline, and a valve 30 can be arranged on the pipeline and used for controlling the flow rate of carbon dioxide fluid.
Referring to fig. 3, an air inlet end of the circulation pump 26 is connected with an air outlet 16 of the dyeing kettle 12A through a pipeline, a valve 30-4 is arranged on the pipeline, and an air outlet end of the circulation pump 26 is connected with an air inlet 17 of the dyeing kettle 12A through a second connecting pipe 11 and a dye box to form a closed dyeing circulation loop a; the air inlet end of the circulating pump 26 is further connected with the air outlet 16 of the dyeing kettle 12B through a pipeline, a valve 30-5 is arranged on the pipeline, the air outlet end of the circulating pump 26 is connected with the air inlet 17 of the dyeing kettle 12B through a second connecting pipe 11 and a dye box, and a closed dyeing circulation loop B is formed, wherein the dyeing circulation loop A is independent of an A air supply branch and the dyeing circulation loop B is independent of a B air supply branch.
Part of pipelines in the dyeing circulation loop A and the dyeing loop B can be overlapped, and the valve 30-4 and the valve 30-5 are high-pressure valves; the connection between the circulation pump 26 and the air inlet of the dyeing kettle 12A is positioned between the preheater 24 and the valve 30-2, and in actual use, the connection between the valve 30-2 and the dyeing kettle 12A or other positions can be also realized; the connection of the circulation pump 26 to the air inlet 17 of the tank 12B is between the preheater 24 and the valve 30-3, and in actual use, may be between the valve 30-3 and the tank 12B or at other locations.
The heating and cooling assembly 29 is connected to the dyeing kettle 12A and the dyeing kettle 12B, for example, through a pipeline connection, and the heating and cooling assembly 29 is used for injecting a heating medium or a cooling medium into the dyeing kettle 12A and the dyeing kettle 12B to provide the currently required temperature for the dyeing kettle 12A and the dyeing kettle 12B, wherein in fig. 3, a solid line represents a carbon dioxide flow pipeline, and a dotted line represents a medium flow pipeline.
The dyeing kettle 12A and the dyeing kettle 12B are also connected with a filter 28 through a condenser 27, wherein the air outlets of the dyeing kettle 12A and the dyeing kettle 12B are connected with the condenser 27 through a valve 30-6, and the valve 30-6 is a high-pressure valve; the high-pressure valve 30-4 is positioned between the valve 30-6 and the air outlet of the dyeing kettle 12A, and the high-pressure valve 30-5 is positioned between the valve 30-6 and the air outlet of the dyeing kettle 12B.
The dyeing kettle 12 comprises a kettle body, a kettle cover 14 arranged at the end part of the kettle body, wherein the kettle cover 14 can perform actions of opening and closing the kettle body, a clamp 15 is arranged on the kettle cover 14, and the clamp 15 is used for fixing the kettle cover 14 on the kettle body; the kettle cover 14 and the kettle body are sealed by a sealing gasket.
The kettle body is cylindrical, the inside of the kettle body is hollow, a dyeing cavity is formed in the hollow part, the kettle body is horizontally arranged, an air inlet 17 and a plurality of air outlets 16 are formed in the kettle body, the arrangement positions and the number of the air outlets 16 are set according to actual needs, in the embodiment, the air inlet 17 is arranged at the bottom of the kettle body, a first connecting pipe is arranged at one side of the inside of the kettle body opposite to the kettle cover 14, the first connecting pipe is connected with the end part of the dyeing support 13, the air inlet 17 is communicated with the first connecting pipe, and carbon dioxide gas passing through the air inlet 17 enters the kettle body after passing through the first connecting pipe; the kettle body is provided with 3 air outlets 16 (16 a, 16b, 6 c), wherein the air outlets 16a, 16b, 16c are uniformly distributed along the circumferential direction of the kettle body, and the air outlets 16a, 16b, 16c are converged into a large-diameter pipeline and then enter the circulating pump 26.
The heating or cooling jacket 18 is arranged outside the kettle body, the heating or cooling jacket 18 is of a hollow structure and surrounds the outer wall of the kettle body, and a heating or cooling medium flows into the jacket through the medium inlet 19 and flows out through the medium outlet 20, so that the temperature inside the kettle body is controlled.
The dye box 1 is arranged outside the kettle body, the dye box 1 comprises a dye box outer cylinder 3-1 and a dye box inner cylinder 3-2 which are sleeved with each other, one end of the dye box 1, which is far away from the kettle body, is communicated with a second connecting pipe 11 (the second connecting pipe 11 is used for communicating the kettle body with an external pipeline and can be a part of the external pipeline), one end, which is close to the kettle body, of the dye box inner cylinder 3-2 is provided with a first filter screen 6, one end, which is far away from the kettle body, is provided with a second filter screen 5, a heat insulation plate is arranged on the first filter screen 6, the first filter screen 6 is connected with a second connecting pipe arranged in the dyeing kettle through a hole lens pad 4, the second filter screen 5 is connected with the second connecting pipe 11 through the hole lens pad 4, a dye filling head 7 is arranged on the dye filling head 1, the dye filling head 7 is positioned at a position, which is close to the second connecting pipe 11, and a plug 8 is arranged on a filling port of the dye filling head 7.
Wherein, the dye box 1 is detachably connected to the kettle body through a detachable connection mode known in the art such as clamping connection, bolt connection, threaded connection and the like, and in the embodiment, the dye box 1 is detachably connected with the second connecting pipe 11 and the dyeing kettle through the threaded flange 9 and the bolt 10.
The outer layer of the dye box inner cylinder 3-2 is wrapped with an aerogel binder 2, the first filter screen 6 and the second filter screen 5 are also wrapped in the aerogel binder 2, the connection part of the dye box outer cylinder 3-1 and the kettle body and the second connecting pipe 11 is wrapped with the aerogel binder 2, wherein the thickness of the aerogel binder 2 is between 0.1cm and 1 cm; the first filter screen 6 and the second filter screen 5 are net structures with filtering functions, small molecular substances such as liquid drops can pass through the first filter screen 6 and the second filter screen 5, and powdery dye cannot pass through the first filter screen 6 and the second filter screen 5.
Two or more than two dyeing kettles A and B which are arranged in parallel are respectively communicated with a circulating pump 26 through valves at two ends of each dyeing kettle A, after the dyeing of the dyeing kettle A is finished, the circulating pump 26 is closed, a high-pressure valve 30-6 is opened, the temperature of the gas in the dyeing kettle A is reduced through a condenser 27, and the gas is directly discharged into the air or is recovered through a storage tank after being filtered through a filter 28.
In this embodiment, the volume of each dyeing kettle is: 5-20L, the working temperature is 0-200 ℃ and the working pressure is 0-32MPa. The dyeing process pressure is 0-350bar, the temperature is 0-200 ℃ and the dyeing time is 15-60 minutes during proofing; the volume of each dye box is 1-2L, the working pressure is 0-350bar, and the working temperature is 0-200 ℃.
Application case
S1, winding a textile on a dyeing support 13, opening a kettle cover 14, putting the dyeing support 13 into a dyeing kettle 12, fastening the kettle cover 14 on the dyeing kettle 12 through a clamp 15, weighing a certain amount of dye, putting the dye into an inner cylinder 3-2 of a dye box through a dye filling opening 7, and blocking the dye filling opening 7 by a plug 8.
S2, opening a valve 30-1 to inject the carbon dioxide in the carbon dioxide storage tank 22 into the dyeing kettle 12 through a pressurizing pump 23, simultaneously, opening a heating system 29, opening a circulating pump 26 after the temperature and the pressure in the dyeing kettle 12 reach the set temperature and pressure, at the moment, reducing the temperature and the pressure in the dyeing kettle, continuously heating and pressurizing the dyeing kettle 12 through high-flow continuous circulation to enable the dyeing kettle 12 to reach the working condition, and continuously circulating for 15-30 minutes.
S3, after dyeing is finished, the circulating pump 26 is closed, the valve 30-6 is opened, the temperature of the gas in the dyeing kettle 12 is reduced through the condenser 27, and the gas is directly discharged into the air or is recovered through the storage tank after being filtered through the filter 28.
S4, when the pressure of the dyeing circulation loop and the dyeing kettle is smaller than 0.5MPa, opening the kettle cover 14 to open the dyeing kettle body, taking out the dyeing bracket 13 wound with the textile, and finishing dyeing.
S5, after the dyeing of the dyeing kettle A is finished, the dyeing kettle B can immediately start to repeat the dyeing of the steps S1-S4, or the dyeing kettle A can be started to dye after the gas is exhausted.
After the dyeing is finished, if the next batch of dyeing is not changed, the dye box can be detached and cleaned without changing the color, and if the dyeing is required to be changed, the dye box is detached and cleaned through the flange and the bolts.
The heat exchanger 2 and the circulating heater 25 can help the dyeing kettle to quickly reach the dyeing working condition, so that the dyeing period is shortened; the cooling system 29 can help the dyeing kettle 12 after dyeing is finished to quickly cool down and reduce pressure, and also plays a role in shortening the dyeing period.
The dyeing of the kettle A and the kettle B in the dyeing kettle 12 can be simultaneously performed, or only one kettle can be dyed, and the other kettle body and the like can be started after the dyeing of one kettle is finished, and the dyeing kettle is controlled through valves (30-2, 30-3, 30-4 and 30-5) according to the quantity adjustment of textiles.
The foregoing description of the specific embodiments of the present invention has been presented by way of example. However, the scope of the present invention is not limited to the above exemplary embodiments. Any modification, equivalent replacement, improvement, etc. made by those skilled in the art within the spirit and principle of the present invention should be included in the scope of protection of the claims of the present invention.
Claims (10)
1. The supercritical anhydrous dyeing and color sample printing system with the detachable dye box is characterized by comprising a carbon dioxide gas supply assembly, a circulating dyeing assembly, a plurality of dyeing kettles and the dye box connected to the dyeing kettles, wherein the dye box is detachable between the dyeing kettles and the circulating dyeing assembly;
the carbon dioxide gas supply assembly is used for storing carbon dioxide gas and is led into the dyeing kettle through the first connecting pipe, one end of the dye box is detachably connected with the first connecting pipe of the dyeing kettle, and the other end of the dye box is detachably connected with the circulating dyeing assembly.
2. The supercritical anhydrous dyeing and color-sample-marking system with detachable dye-cartridge according to claim 1 wherein the dye-cartridge is detachably connected to the kettle body and the first connecting tube by a snap-fit, a bolt connection or a screw connection.
Preferably, the dye box comprises a dye box outer cylinder body and a dye box inner cylinder body which are sleeved with each other, and an aerogel binder is arranged between the dye box outer cylinder body and the dye box inner cylinder body.
Preferably, the upper and lower parts of the outer side of the outer cylinder are also provided with aerogel binders.
Preferably, the thickness of the aerogel binder is 0.1cm-1cm.
3. Supercritical anhydrous dyeing and color-sample-beating system with detachable dye box according to claim 1 or 2, characterized in that the dye box is provided with a first filter screen at the end close to the dyeing kettle and a second filter screen at the end far from the dyeing kettle, preferably the first filter screen and the second filter screen are coated with an aerogel binder.
Preferably, the first filter screen is connected with a first connecting pipe arranged in the dyeing kettle through a hole lens pad, and the second filter screen is connected with a second connecting pipe through a hole lens pad.
Preferably, the dye box is provided with a dye filling head, the dye filling head is positioned close to the second connecting pipe, and preferably a plug is arranged on a filling port of the dye filling head.
4. The supercritical anhydrous dyeing and color-sample system with removable dye cartridge of claim 1 or 2 wherein the carbon dioxide gas supply assembly comprises at least one carbon dioxide storage tank connected to the dyeing tank by a conduit.
Preferably, the carbon dioxide gas supply assembly further comprises a carbon dioxide booster pump, and a valve is arranged between the carbon dioxide storage tank and the carbon dioxide booster pump.
Preferably, the carbon dioxide gas supply assembly further comprises a preheater, the preheater is arranged between the booster pump and the dyeing kettles, and a valve is arranged between the preheater and each dyeing kettle.
5. The supercritical anhydrous dyeing and color-sample-marking system with detachable dye box according to claim 1 or 2, wherein the dyeing circulation assembly is connected between the air inlet and the air outlet of the dyeing kettle, and drives carbon dioxide gas and/or dye to circulate in the kettle body through the pipeline between the air inlet and the air outlet.
Preferably, the dyeing circulation assembly comprises a circulation pump, the circulation pump is arranged between the air inlet and the air outlet of the dyeing kettle, one end of the circulation pump is connected with the color matching box through a second connecting pipe, and the other end of the circulation pump is connected with the air outlet of the dyeing kettle through a pipeline.
6. The supercritical anhydrous dyeing and color-marking system with removable dye-cartridges of claim 1 or 2 further comprising a heating and cooling assembly connected to the dyeing kettle and configured to inject a heating or cooling medium into the dyeing kettle to provide the dyeing kettle with a currently desired temperature.
Preferably, the anhydrous dyeing and color sample printing system further comprises a condenser, and the air outlet of each dyeing kettle is connected with the condenser.
Preferably, one end of the condenser far away from the dyeing kettle is connected with a filter.
7. The supercritical anhydrous dyeing and color-sample-marking system with detachable dye-cartridges according to claim 1 or 2, wherein the dyeing kettle comprises a kettle body and a kettle cover arranged at the end of the kettle body, and the kettle cover can perform the actions of opening and closing the kettle body.
Preferably, the kettle cover is provided with a clamp, and the clamp is used for fixing the kettle cover on the kettle body; preferably, the kettle cover and the kettle body are sealed by a sealing gasket.
Preferably, the kettle body is provided with an air inlet and a plurality of air outlets, the air inlet is arranged at the bottom of the kettle body, and the air outlets are converged to the second pipeline and then connected with the outside.
8. The supercritical anhydrous dyeing and color-sample-beating system with a detachable dye box according to claim 7, wherein a first connecting pipe is arranged on one side of the inner part of the kettle body opposite to the kettle cover, the first connecting pipe is connected with the end part of the dyeing support, the air inlet is communicated with the first connecting pipe, and carbon dioxide gas passing through the air inlet enters the kettle body after passing through the first connecting pipe.
Preferably, a heating or cooling jacket is arranged outside the kettle body, is of a hollow structure, surrounds the outer wall of the kettle body, and flows into the jacket through a medium inlet and flows out through a medium outlet so as to control the temperature inside the kettle body.
9. Use of a supercritical anhydrous dyeing and color-marking system according to any one of claims 1 to 8 for dyeing.
10. A method of dyeing a supercritical anhydrous dyeing color sample system according to any one of claims 1-8 comprising the steps of:
s1, putting textiles to be dyed into a dyeing kettle, weighing dye, putting the dye into a dye box, putting a dyeing bracket into the dyeing kettle, and sealing the dyeing kettle;
s2, introducing carbon dioxide gas into the dyeing kettle, and heating and pressurizing the dyeing kettle to preset parameters;
and S3, starting a circulating pump to perform dyeing circulation until the dyeing time is reached.
Preferably, step S3 is followed by the following steps: when the pressure of the dyeing circulation loop and the dyeing kettle is less than 0.5MPa, opening the kettle cover 14 to open the dyeing kettle body, taking out the dyeing bracket 13 wound with the textile, and finishing dyeing.
Preferably, the dyeing further comprises the following steps after completion: and (5) replacing the dyeing kettle, and repeating the steps S1-S3 to dye again.
Preferably, step S3 is followed by the following steps: and cooling the gas in the current dyeing kettle through a condenser, filtering the cooled gas through a filter, and directly discharging the filtered gas.
Preferably, step S3 comprises the steps of: and starting a circulating pump to carry out dyeing circulation, and when the temperature and the pressure in the dyeing circulating system reach preset dyeing process parameters, maintaining the current conditions and continuously circulating dyeing for 15-60min.
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