CN114561763A - Small supercritical CO2Visualization device for fluid dyeing - Google Patents
Small supercritical CO2Visualization device for fluid dyeing Download PDFInfo
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- CN114561763A CN114561763A CN202210263328.7A CN202210263328A CN114561763A CN 114561763 A CN114561763 A CN 114561763A CN 202210263328 A CN202210263328 A CN 202210263328A CN 114561763 A CN114561763 A CN 114561763A
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- transparent plate
- visualization device
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- 239000012530 fluid Substances 0.000 title claims abstract description 18
- 238000004043 dyeing Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 239000000523 sample Substances 0.000 claims abstract description 26
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 24
- 235000011089 carbon dioxide Nutrition 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000012800 visualization Methods 0.000 claims abstract description 18
- 239000000446 fuel Substances 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims abstract description 3
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract 1
- 239000000975 dye Substances 0.000 description 20
- 229910002092 carbon dioxide Inorganic materials 0.000 description 15
- 238000004090 dissolution Methods 0.000 description 9
- 239000000986 disperse dye Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- 229910000619 316 stainless steel Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- FEJPWLNPOFOBSP-UHFFFAOYSA-N 2-[4-[(2-chloro-4-nitrophenyl)diazenyl]-n-ethylanilino]ethanol Chemical compound C1=CC(N(CCO)CC)=CC=C1N=NC1=CC=C([N+]([O-])=O)C=C1Cl FEJPWLNPOFOBSP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- 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
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a small supercritical CO2A visualization device for fluid dyeing comprises a transparent plate (1), a steel ring (2), a sealing ring (20), a bolt (3), a temperature controller (13) and a heating belt (14), temperature sensor (15), manometer (18), relief valve (16), hexagonal end cap (17), steel ring (2) are cliied in transparent plate (1), transparent plate (1) is equipped with slot (11) with steel ring (2) contact surface, place sealing washer (20) in slot (11) and do static seal, a plurality of through-holes (12) of terminal surface evenly distributed are followed to transparent plate (1) and steel ring (2) along the centre of a circle, follow through-hole (12) with bolt (3) with PC board (1) and steel ring (2) fixed connection, steel ring (2) side is equipped with relief valve connecting hole (7), manometer connecting hole (8), load dry ice and fuel hole (9) and insert temperature probe hole (10), heating tape (14) winding is in the side of steel ring (2). The whole device of the invention has small volume, is convenient to carry, assemble and disassembleThe unloading is convenient and the experimental flow is simple.
Description
Technical Field
The invention belongs to supercritical CO2The technical field of fluid dyeing, in particular to a small supercritical CO2Visualization device for fluid staining.
Background
In the supercritical state, CO2The fluid has a density similar to that of liquid and a viscosity close to that of gas, and can dissolve non-polar or weakly polar organic substances, which makes supercritical CO2Can replace water as a dyeing medium. The solubility of the dye in the supercritical fluid is the basis of the process technology, the solubility influences the dye uptake of the dye on the fabric, and the important basis of selecting the dye and designing the formula ratio during color matching dyeing, and the dye uptake and the formula ratio directly determine the quality of a printing and dyeing product. In order to better design the supercritical dyeing process, the dye must be fully understood in supercritical CO2The dissolution of the fluid provides for the determination of the solubility.
At a certain temperature and pressure, the solid dye is in supercritical CO2The mass dissolved when saturation in the fluid is reached is that of the dye in supercritical CO2Solubility in (b). In the case of dye determination, the system temperature, pressure have a significant effect on solubility.
The existing disperse dye is in supercritical CO2Research in fluid devices has mainly focused on measuring the solubility of disperse dyes, finding optimal process conditions for dyeing on fabrics, etc., but involves very little dissolution of disperse dyes in supercritical fluids. It has been observed that disperse dyes are present in supercritical CO2The device of dissolution phenomenon in the fluid adopts the sapphire as visual window, is equipped with the booster pump and steps up, and temperature controller bath keeps warm, and the main objective is the measurement disperse dyes solubility, as observing the dissolution phenomenon device, the window undersize, whole price is expensive, and the structure is complicated, experimental operation is loaded down with trivial details.
There is a great need to develop a small supercritical CO with simple structure and convenient operation2Visualization device for fluid staining.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a small supercritical CO2The visualization device for fluid dyeing can clearly observe dye in supercritical CO through the visualization window2Whether or notAnd (4) dissolving.
In order to achieve the above purpose, the technical scheme of the invention is as follows: small supercritical CO2The fluid dyeing visualization device specifically comprises a transparent plate (1), a steel ring (2), a sealing ring (20), a bolt (3), a temperature controller (13), a heating belt (14), a temperature sensor (15), a pressure gauge (18), a pressure release valve (16) and a hexagonal plug (17), wherein the device clamps the steel ring (2) by using 2 transparent plates (1), a groove (11) is arranged on the contact surface of the transparent plate (1) and the steel ring (2), the sealing ring is placed in the groove (11) to be statically sealed, a plurality of through holes (12) are uniformly distributed on the end surface of the transparent plate (1) and the steel ring (2) along the circle center, the transparent plate (1) and the steel ring (2) are fixedly connected by using the bolt (3) from the through holes (12) to form a closed volume cavity (19), a pressure release valve connecting hole (7) and a pressure gauge (8) are arranged on the side surface of the steel ring (2), a dry ice filling and fuel hole (9) and a probe inserting hole (10), the dry ice and fuel filling hole (9) is connected with the hexagonal plug (17), dye and dry ice are filled into the volume cavity (19) and then mechanically sealed by the hexagonal plug (17), the heating tape (14) is wound on the side face of the steel ring (2), and after the temperature controller (13) is powered on, the heating tape (14) starts to work to heat the device.
In a preferred embodiment of the invention, the transparent plate (1) has a tensile strength of 50-80MPa, a bending strength of 90-130MPa, a use temperature of 120-.
In a preferred embodiment of the invention, the steel ring (2) is 316 stainless steel, the inner diameter of the steel ring (2) is 50-70mm, the outer diameter is 110-150mm, the width is 15-35mm, the pressure release valve connecting hole (7) on the side surface of the steel ring, the pressure gauge connecting hole (8), the dry ice and fuel filling hole (9) and the temperature probe inserting hole (10) are distributed in a concentrated and intermittent manner along a side bolt hole, the pressure release valve connecting hole (7), the pressure gauge connecting hole (8) and the dry ice and fuel filling hole (9) are countersunk head internal thread holes, the diameter of the countersunk head internal thread holes is matched with tolerance with external threads at the connecting part of the pressure release valve (16), the pressure gauge (18) and the hexagonal plug (17), the temperature probe hole is slightly larger than the temperature probe diameter, and the depth is 8-12 mm.
In a preferred embodiment of the invention, the groove (11) is statically sealed by adopting an O-shaped sealing ring, the upper end face and the lower end face of the steel ring (2) are provided with the groove (11), the upper transparent plate (1) and the lower transparent plate (1) which are in contact with the end faces of the steel ring are provided with the grooves (11) at corresponding positions, the size of the sealing ring is selected, the inner diameter of the sealing ring is 70-80mm, the linear diameter is 5.0-6.5mm, the machining size of the groove (11) is designed, the depth of the groove (11) is 4.5-4.9mm, the width of the groove is 6.3-6.7mm, the distance between the outer diameter of the groove (11) and the through hole (12) is 8-12mm, and the distance between the through hole (12) and the outer edge of the device is 8-12 mm.
In a preferred embodiment of the invention, the device structure sequentially comprises a volume cavity (19), a groove (11) and a through hole (12) from inside to outside, the volume of the volume cavity (19) is 50-80ml, the sizes and the positions of the transparent plate (1) and the groove (11) and the through hole (12) of the steel ring (2) are consistent, the processing precision is high, and the surface roughness is less than or equal to 3.2.
In a preferred embodiment of the invention, when the bolt (3) is fixedly connected, the end faces of the through holes (12) of the transparent plates at two sides are matched with the spring gasket (4), the common flat gasket (5) and the nut (6) for use; when the bolts (3) are pre-tightened, the bolts are weighed and tightened, so that the pre-tightening force exerted by each bolt is consistent; the heating belt is wound on the side edge of the steel ring, the length of the heating belt accounts for about 9/12-11/12 of the circumference of the steel ring, the heating belt is fixed by using a high-temperature resistant adhesive tape, and the heating belt is heated at 85-95 ℃ and is not required to be in contact with the transparent plate.
In a preferred embodiment of the invention, the temperature controller (13) can preset heating temperature and display temperature of the temperature measuring probe.
In a preferred embodiment of the invention, the temperature controller is connected with a heating belt and a temperature probe, after being electrified, the temperature probe is inserted into the temperature probe hole (10), the temperature controller can display the temperature of the temperature probe, the temperature controller can be set with an experimental temperature to be heated, after the experimental temperature is reached, the heating belt stops heating, and when the temperature is lower than the set temperature by 5 ℃, the heating belt works again.
In a preferred embodiment of the invention, the temperature of the device can reach 55-65 ℃ and the pressure can reach 8-12MPa under the condition that the volume cavity (19) is filled with dry ice.
Compared with the prior art, the invention has the beneficial effects that:
1. the whole device is small in size, convenient to carry and assemble and disassemble;
2. the side surface of the steel ring is provided with the hole for filling the dry ice, thereby simplifying the CO filling2A process of a fluid;
3. according to the invention, the pressure relief valve is arranged on the side surface of the steel ring, so that after the experiment is finished, the pressure relief can be quickly finished even in a high-pressure state, and the preparation for the next experiment is convenient;
4. the PC board selected by the invention has high light transmittance, good long-term temperature resistance and high pressure resistance, and the surface of the PC board is not easy to scratch compared with common engineering plastics;
5. the method has simple experimental flow, only considers the influence of temperature and pressure on the dissolution phenomenon under the condition of dye determination, and simplifies the factors influencing the dissolution performance.
Drawings
FIG. 1 is a graph showing a comparison of the volume of a dye dispersion red 13 before and after dissolution in supercritical carbon dioxide in example 1 of the present invention;
FIG. 2 is a front view of a steel ring structure and a sectional view taken along section A-A according to example 1 of the present invention;
FIG. 3 is a diagram showing a structure of a PC board in embodiment 1 of the present invention;
FIG. 4 is a schematic view of the apparatus of the present invention;
FIG. 5 is a schematic connection diagram of the whole set of the apparatus of the present invention.
In the figure: 1. PC board, 2, steel ring, 3, bolt, 4, spring washer, 5, common flat pad, 6, nut, 7, relief valve connecting hole, 8, pressure gauge connecting hole, 9, dry ice filling hole, 10, temperature probe inserting hole, 11, groove, 12 and through hole,
13. temperature controller, 14, heating band, 15, temperature sensor, 16, pressure release valve, 17, hexagonal plug, 18, pressure gauge, 19, volume cavity, 20 and sealing ring
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in more detail below with reference to the accompanying drawings and specific embodiments, but the scope of the present invention is not limited to these embodiments.
Example 1
A supercritical visualization device comprises two PC plates (1), a steel ring (2), a fluorine rubber sealing ring (20), bolts (3), a temperature controller (13), a heating belt (14), a temperature sensor (15), a pressure gauge (18), a pressure release valve (16) and a hexagonal plug (17), wherein the steel ring (2) is clamped up and down by the two PC plates (1), a groove (11) is arranged on the contact surface of the PC plate (1) and the steel ring (2), an O-shaped sealing ring is placed in the groove (11) for static sealing, 6 through holes (12) are uniformly distributed on the end surface of the PC plate (1) and the steel ring (2) along the circle center, the through holes are bolt holes, the PC plate (1) and the steel ring (2) are fixedly connected by the 6 bolts (3) from the through holes (12) to form a closed volume cavity (19), a pressure release valve connecting hole (7), a pressure gauge connecting hole (8) is arranged on the side surface of the steel ring (2), dry ice and a fuel hole (9) and a temperature probe inserting hole (10), the dry ice and fuel filling hole (9) is connected with the hexagonal plug (17), the dye and the dry ice are filled into the volume cavity (19), then the volume cavity is mechanically sealed by the hexagonal plug (17), the heating belt (14) is wound on the side surface of the steel ring (2), and after the temperature controller (13) is electrified, the heating belt (14) starts to work to heat the device.
The transmittance of the PC board (1) is 85%, the diameter is 136mm, the thickness is 40mm, and the precision after the finish processing of the contact surface of the PC board and the steel ring is 3.2.
Steel ring (2) are 316 stainless steel, internal diameter 60mm, external diameter 136mm, wide 25mm, 3 countersunk head through-holes are bored to the steel ring side, connect pressure release valve hole (7) respectively, connect manometer hole (8), be used for filling dry ice and dyestuff hole (9), 1 temperature probe hole (10) are inserted to degree of depth 10mm, these 4 holes concentrate intermittent type distributions along the side bolt hole, countersunk head internal thread hole diameter and tolerance cooperation are with relief valve (16) connector, manometer (18) connector, the external screw thread of hexagonal end cap (17) junction should match, the temperature probe aperture is 5mm, the temperature probe diameter is 3mm, degree of depth 10 mm.
The sealing groove (11) is statically sealed by adopting an O-shaped sealing ring, the upper end face and the lower end face of the steel ring (2) are provided with the grooves (11), the grooves (11) are arranged at corresponding positions of the upper transparent PC plate (1) and the lower transparent PC plate (1) which are in contact with the end faces of the steel ring, the size of the sealing ring is selected, the inner diameter of the sealing ring is 75mm, the wire diameter is 5.7mm, the machining size of the grooves (11) is designed, the depth of the grooves (11) is 4.5-4.9mm, the width of the grooves is 6.3-6.7mm, the distance between the outer diameter of the grooves (11) and a bolt hole (12) is 10mm, and the distance between the through holes (12) and the outer edge of the device is 10 mm.
The visualization device structure is volume chamber (19), slot (11) and through-hole (12) from inside to outside in proper order, and volume chamber (19) volume is 66ml, and transparent plate (1) is unanimous and the machining precision is high with position with slot (11), through-hole (12) size of steel ring (2), and surface roughness is 3.2.
The bolt (3) is used for fixed connection, and the end faces of the PC board through holes (12) on the two sides are matched with the spring gasket (4), the common flat gasket (5) and the nut (6) for use. When the 6 bolts (3) are pre-tightened, the bolts are symmetrically screwed, and the pre-tightening force applied by each bolt (3) is ensured to be consistent. The heating belt (14) is wound on the side edge of the steel ring (2), the length of the heating belt (14) accounts for 5/6 the circumference of the steel ring (2), the heating belt is fixed by using a high-temperature resistant adhesive tape, the temperature of the heating belt is 90 ℃ during heating, and the heating belt is not contacted with the PC board.
The temperature controller (13) can preset heating temperature and display temperature of the temperature measuring probe. The temperature controller (13) is connected with a heating belt (14) and a temperature probe, the temperature probe is inserted into the temperature probe hole (10) after the temperature controller is electrified, the temperature controller can display the temperature of the temperature probe, the experimental temperature to be heated can be set on the temperature controller, after the experimental temperature is reached, the heating belt stops heating, and when the temperature is lower than the set temperature by 5 ℃, the heating belt works again. Under the condition that the volume cavity (19) is filled with dry ice, the temperature of the device can reach 60 ℃, and the pressure can reach 10 MPa.
Disperse dyes in supercritical CO2Dissolution in the fluid is a diffusion process due to the dispersion of the dye and CO2And the measured solubility of the dye shows that the solubility range is 10-4~10-7In the meantime. To observe whether the dye is in supercritical CO2The whole device mainly comprises 2 PC plates, 316 stainless steel rings, a pressure gauge, a heating belt, a temperature sensor, a temperature measuring instrument, a bolt and a fluorine rubber sealing ring, and is simple in structure.
The specific operation steps of the visualization device are as follows:
after the whole volume cavity (19) is filled with the columnar solid dry ice and a proper amount of disperse red 13 dye through the small hole, the small hole is sealed by an outer hexagonal plug (17), the heating belt (14) is wound on the side surface of the steel ring (2), the pressure relief valve (18) is closed, the temperature sensor (15) is inserted into the special hole (10), the power supply is turned on, and the heating temperature is set. After heating for a period of time, the solid dry ice is changed into a gas-liquid coexisting state through a visual window, and then the solid dry ice is transited to a supercritical state from the gas-liquid coexisting state, and in order to accelerate the dissolution time, the phenomenon that the dye powder floats up can be observed after the device is shaken, and the whole volume cavity (19) is gradually blurred.
The above embodiments are merely preferred embodiments of the present invention, which are provided for illustrating the principles and effects of the present invention and not for limiting the present invention. It should be noted that modifications to the above-described embodiments can be made by persons skilled in the art without departing from the spirit and scope of the invention, and such modifications should also be considered as within the scope of the invention.
Claims (10)
1. Small supercritical CO2The visualization device for fluid dyeing is characterized by comprising a transparent plate (1), a steel ring (2), a sealing ring (20), a bolt (3), a temperature controller (13), a heating belt (14), a temperature sensor (15), a pressure gauge (18), a pressure release valve (16) and a hexagonal plug (17), wherein the steel ring (2) is clamped by the transparent plate (1), a groove (11) is formed in the contact surface of the transparent plate (1) and the steel ring (2), the sealing ring (20) is placed in the groove (11) for static sealing, a plurality of through holes (12) are uniformly distributed on the end surface of the transparent plate (1) and the steel ring (2) along the circle center, the transparent plate (1) and the steel ring (2) are fixedly connected through the through holes (12) by the bolts (3), the pressure release valve connecting hole (7) is formed in the side surface of the steel ring (2), the pressure release valve connecting hole (8) is filled with dry ice and fuel hole (9), and a temperature probe hole (10) is inserted, the hole (9) for filling dry ice and fuel is connected with a hexagonal plug (17), and the heating belt (14) is wound on the side surface of the steel ring (2).
2. The visualization device as claimed in claim 1, wherein the transparent plate (1) has a tensile strength of 50-80MPa, a bending strength of 90-130MPa, a use temperature of 120 ℃, ° c, a transmittance of 80-90%, a diameter of 110-.
3. The visualization device as claimed in claim 1, wherein the inner diameter of the steel ring (2) is 50-70mm, the outer diameter is 110-150mm, the width is 15-35mm, the relief valve connecting hole (7) on the side surface of the steel ring, the pressure gauge connecting hole (8), the dry ice and fuel filling hole (9) and the temperature probe inserting hole (10) are distributed in a concentrated and intermittent manner along a bolt hole on the side edge, the relief valve connecting hole (7), the pressure gauge connecting hole (8) and the dry ice and fuel filling hole (9) are countersunk head internal thread holes, the diameter of the countersunk head internal thread holes is matched with the tolerance fit with the external threads at the joint of the relief valve (16), the pressure gauge (18) and the hexagonal plug (17), the temperature probe inserting hole (10) is larger than the temperature probe diameter, and the depth is 8-12 mm.
4. A visualization device as claimed in claim 1, wherein the sealing ring placed in the groove (11) is an O-ring, the upper and lower end faces of the steel ring (2) are provided with grooves (11), the upper and lower transparent plates (1) in contact with the end faces are provided with grooves (11) at corresponding positions, the inner diameter of the sealing ring is 70-80mm, the wire diameter is 5.0-6.5mm, the depth of the groove (11) is 4.5-4.9mm, the width is 6.3-6.7mm, the outer diameter of the groove (11) is 8-12mm away from the through hole (12), and the through hole (12) is 8-12mm away from the outer edge of the device.
5. The visualization device according to claim 1, wherein the device structure comprises a volume cavity (19), a groove (11) and a through hole (12) from inside to outside in sequence, the volume cavity (19) has a volume of 50-80ml, and the transparent plate (1) and the groove (11) and the through hole (12) of the steel ring (2) have the same size and position and the surface roughness of less than or equal to 3.2.
6. Device according to any of claims 1 or 5, characterized in that the volume (19) is filled with dry ice, the temperature of the device being 55-65 ℃ and the pressure being 8-12 MPa.
7. A visualization device as claimed in claim 1, wherein the bolt (3) is fixedly connected, and the end faces of the threaded holes (12) of the transparent plates at both sides are used in cooperation with the spring washer (4), the common flat washer (5) and the nut (6).
8. A visualization device as claimed in claim 7, characterized in that the bolt (3) should be tightened symmetrically when pre-tightened.
9. A visualization device as claimed in claim 1, wherein the heating tape (14) is wound around the side of the steel ring (2), the heating tape (14) has a length of 9/12-11/12 of the circumference of the steel ring, and is fixed by a high temperature resistant adhesive tape, and the temperature of the heating tape is 85-95 ℃ when heating.
10. The visualization device according to claim 1, wherein the temperature controller (13) is connected with the heating belt and the temperature probe, and can preset the heating temperature and display the temperature of the temperature probe.
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201560318U (en) * | 2009-12-02 | 2010-08-25 | 苏州大学 | Supercritical fluid dyeing machine |
CN101845732A (en) * | 2010-04-06 | 2010-09-29 | 大连工业大学 | Visualization system in supercritical carbon dioxide dyeing device |
CN205275949U (en) * | 2015-11-16 | 2016-06-01 | 广东利维科技有限公司 | Anhydrous dyeing system of overcritical CO2 |
CN105887396A (en) * | 2016-07-01 | 2016-08-24 | 苏州大学 | Supercritical fluid waterless dyeing universal proofing machine |
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2022
- 2022-03-17 CN CN202210263328.7A patent/CN114561763A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201560318U (en) * | 2009-12-02 | 2010-08-25 | 苏州大学 | Supercritical fluid dyeing machine |
CN101845732A (en) * | 2010-04-06 | 2010-09-29 | 大连工业大学 | Visualization system in supercritical carbon dioxide dyeing device |
CN205275949U (en) * | 2015-11-16 | 2016-06-01 | 广东利维科技有限公司 | Anhydrous dyeing system of overcritical CO2 |
CN105887396A (en) * | 2016-07-01 | 2016-08-24 | 苏州大学 | Supercritical fluid waterless dyeing universal proofing machine |
WO2018000482A1 (en) * | 2016-07-01 | 2018-01-04 | 南通纺织丝绸产业技术研究院 | Proofing machine for supercritical fluid anhydrous dyeing |
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