CN111021108A - Method for reducing or removing pentachlorophenol in polyester and polyester blended fabric - Google Patents
Method for reducing or removing pentachlorophenol in polyester and polyester blended fabric Download PDFInfo
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- CN111021108A CN111021108A CN201911343020.8A CN201911343020A CN111021108A CN 111021108 A CN111021108 A CN 111021108A CN 201911343020 A CN201911343020 A CN 201911343020A CN 111021108 A CN111021108 A CN 111021108A
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- Prior art keywords
- pentachlorophenol
- polyester
- rotating rod
- reducing
- feeding
- Prior art date
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- IZUPBVBPLAPZRR-UHFFFAOYSA-N pentachlorophenol Chemical compound OC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl IZUPBVBPLAPZRR-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000004744 fabric Substances 0.000 title claims abstract description 56
- 229920000728 polyester Polymers 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 238000004043 dyeing Methods 0.000 claims abstract description 20
- 239000004753 textile Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000002844 melting Methods 0.000 claims abstract description 19
- 230000008018 melting Effects 0.000 claims abstract description 19
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 16
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 239000012153 distilled water Substances 0.000 claims abstract description 13
- 238000007670 refining Methods 0.000 claims abstract description 13
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 12
- 239000012224 working solution Substances 0.000 claims abstract description 11
- 229910000027 potassium carbonate Inorganic materials 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 40
- 244000309464 bull Species 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004513 sizing Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 5
- 239000012467 final product Substances 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 235000017550 sodium carbonate Nutrition 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 229920004933 Terylene® Polymers 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010669 acid-base reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
- D06B23/205—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation for adding or mixing constituents of the treating material
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/30—Means for cleaning apparatus or machines, or parts thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/28—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics propelled by, or with the aid of, jets of the treating material
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/60—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
- D06P1/613—Polyethers without nitrogen
- D06P1/6131—Addition products of hydroxyl groups-containing compounds with oxiranes
- D06P1/6133—Addition products of hydroxyl groups-containing compounds with oxiranes from araliphatic or aliphatic alcohols
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67383—Inorganic compounds containing silicon
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/34—Material containing ester groups
- D06P3/52—Polyesters
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a method for reducing or removing pentachlorophenol in polyester and blended fabrics thereof, which comprises the following steps: (1) preparing a working solution: mixing Na2CO3And/or K2CO3Adding a special refining agent and distilled water into a material melting device for melting materials, injecting the obtained pretreatment liquid into a jet overflow dyeing machine, injecting distilled water until the bath ratio is 1:8, and then operating the machine in an idle state; (2) removing residual pentachlorophenol on the textile fabric: feeding the textile fabric toSpraying overflow dyeing machine, running at 40 deg.C for 30min, overflow washing, discharging cloth, and shaping to obtain the final product. The invention can effectively remove or greatly reduce pentachlorophenol in the polyester and the blended fabric thereof on the premise of keeping the wearing performance of the polyester and the blended fabric thereof unchanged, especially the color and light of the polyester and the blended fabric thereof unchanged, and the pentachlorophenol in the polyester and the blended fabric thereof reaches the requirement of European Union standard.
Description
Technical Field
The invention relates to the technical field of removing toxic and harmful substance residues on fabrics, in particular to a method for reducing or removing pentachlorophenol in polyester and blended fabrics thereof.
Background
In the international trade of polyester and blended fabrics, the technical STANDARDs of countries and regions of European Union and the like have clear forbidding regulations on residual pentachlorophenol on polyester and blended fabrics, such as STANDARD 100 by OEKO-
Etc., part of international clothing brand buyers such as NIKE, H&M and the like also have clear forbidding regulations on pentachlorophenol in polyester and blended fabrics thereof. However, the residual pentachlorophenol in the polyester and blended fabrics exceeds the standard at present, so that the product is returned, and great loss is caused to both parties of trade.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a method for reducing or removing pentachlorophenol in polyester and blended fabrics thereof, which can effectively remove or greatly reduce pentachlorophenol in polyester and blended fabrics thereof to meet the requirements of relevant standards on the premise of keeping the wearing performance of the polyester and blended fabrics thereof unchanged, particularly keeping the color and light of the polyester and blended fabrics unchanged, and can quickly and uniformly dissolve materials by adopting two different stirring speed modes during dissolving, thereby not only being beneficial to fully performing subsequent reactions, but also reducing the loss of working solution.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for reducing or removing pentachlorophenol in polyester and polyester blended fabrics comprises the following steps:
(1) preparing a working solution: first 25% o.w.f. Na2CO3And/or K2CO3Adding the special refining agent and distilled water into a material melting device in proportion for melting to obtain uniformly mixed pretreatment liquid, wherein the concentration of the special refining agent in the pretreatment liquid is 1.5g/L, then injecting the pretreatment liquid into a jet overflow dyeing machine, injecting distilled water according to the weight of treated textile fabrics until the bath ratio is 1:8, and then operating the machine for 5min to obtain working liquid;
(2) removing residual pentachlorophenol on the textile fabric: and (3) feeding the textile fabric with the pentachlorophenol exceeding the standard into a jet overflow dyeing machine, operating for 30min at the temperature of 40 ℃ according to the traditional dyeing process, then carrying out overflow water washing for 15min, and then carrying out fabric discharging and sizing to obtain a finished product.
The special refining agent used in the invention is an EPA-98A refining agent purchased from Zhejiang Kaider chemical Co., Ltd, is prepared by compounding soda ash, sodium metasilicate, special isomeric alcohol polyoxyethylene ether and water, has the functions of permeation, cleaning and the like, and can effectively remove impurities such as oil solutions, stains and the like on textile fabrics.
In the invention, sodium carbonate or potassium carbonate is a weak acid strong base salt, carbonate ions are hydrolyzed to make the solution alkaline, the sodium carbonate or the potassium carbonate cannot be replaced by other soluble carbonates with alkalinity weaker than that of the sodium carbonate or the potassium carbonate, and the other soluble carbonates have weak alkalinity and cannot react with pentachlorophenol, and in addition, strong base with alkalinity stronger than that of the sodium carbonate or the potassium carbonate is also not available, otherwise, the color of the fabric is damaged.
The principle of removing or reducing pentachlorophenol is: pentachlorophenol is weakly acidic and reacts with sodium carbonate or potassium carbonate to form soluble salts which can be washed from the fabric with water, the reaction equation is shown below:
the melting device comprises an outer barrel and an inner barrel positioned in the outer barrel, and the upper part of the inner barrel is connected with the upper end of the outer barrel through balls, and the lower part of the inner barrel is connected with the lower part of the outer barrel through balls, so that the smooth rotation of the inner barrel is ensured; the inner tube includes the end cover, end cover center department fixedly connected with stretches into the rabbling mechanism of inner tube inner chamber, the rabbling mechanism includes inside hollow feeding piece, link firmly the bull stick of feeding piece lower wall center department, with bull stick roll connection's stirring leaf, the lower part of feeding piece is opening bowl form structure down, the discharge gate of from interior to exterior diffusion is seted up to the lower surface of feeding piece, the stirring leaf includes the blade of circumference equipartition, the outer end of blade inlays and is equipped with magnet, is located eminence such as magnet the inner tube outer wall has set firmly the electromagnet, the inner tube passes through motor drive and rotates and drive feeding piece, bull stick and electromagnet and rotate, the electromagnet rotates with the interact drive stirring leaf of magnet through the electromagnet when rotating.
The end cover is for dismantling the connection, and the rabbling mechanism's of being convenient for installation also is convenient for to the clearance of inner tube, end cover center department is connected with the inlet pipe through the bearing, the inlet pipe passes in the end cover stretches into the feeding piece. The inlet pipe is connected with external feeding metering equipment, and through the setting, when the end cover rotates along with the inner barrel, the inlet pipe does not rotate in a reverse mode, and the stability and the continuity of feeding are guaranteed.
The rotating rod comprises a first rotating rod part and a second rotating rod part which are connected up and down, the outer diameter size of the first rotating rod part is larger than that of the second rotating rod part, and the second rotating rod part is in rolling connection with the stirring blade through a circle of ball bearings embedded in the second rotating rod part; when the inner cylinder rotates and the electromagnet is not electrified, the rotating rod and the electromagnet rotate along with the inner cylinder in a reaction mode and the stirring blade does not rotate, after the electromagnet is electrified, the stirring blade is driven to rotate due to the attraction or repulsion of the electromagnet on the blade, the rotating speed of the stirring blade is changed by enhancing the magnetic strength of the electromagnet, the magnetic strength of the electromagnet is controlled so that the rotating speed of the stirring blade is not the same as that of the inner cylinder, and then the inner cylinder and the stirring blade can stir the working fluid at two different stirring speeds.
A limiting piece is fixedly sleeved at the middle part of the second rotating rod part, the limiting piece is connected with the second rotating rod part in a screw connection mode, the middle part of the stirring blade is abutted between the lower end face of the first rotating rod part and the limiting piece, the stirring blade and the first rotating rod part and the stirring blade and the limiting piece are sealed through sealing rings, and the sealing rings can prevent working liquid from entering the second rotating rod part; in addition, the surfaces of the first rotating rod part, the upper end surface of the limiting part and the middle part of the stirring blade can be coated with polytetrafluoroethylene coatings, so that the stirring blade can rotate more smoothly.
The lower part one side of inner tube is equipped with the liquid outlet, sets up electric valve on the liquid outlet, the tip links firmly the liquid pipe of going out relative from top to bottom with the liquid outlet under the urceolus, go out the intraductal slip of liquid and inlay and be equipped with interior drain pipe, interior drain pipe shifts up through the cylinder drive and makes the liquid outlet lower extreme stretch into in the drain pipe. When the inner barrel rotates to stir the working solution, the liquid outlet is completely separated from the inner liquid outlet pipe, the inner barrel can smoothly rotate, after stirring is finished, the cylinder is started to enable the inner liquid outlet pipe to move upwards along the outer liquid outlet pipe, the lower end of the liquid outlet pipe extends into the inner liquid outlet pipe, and the electric valve switch is opened to discharge the working solution to the jet overflow dyeing machine.
The invention has the beneficial effects that: using pentachlorophenol and Na2CO3、K2CO3The acid-base reaction removes or greatly reduces the residual pentachlorophenol on the terylene and the blended fabric thereof, maintains the wearing performance of the terylene and the blended fabric thereof, particularly maintains the color and light of the terylene and the blended fabric thereof, and meets the technical standard requirement of European Union on for the residual pentachlorophenol in the terylene and the blended fabric thereof; the material melting treatment of the working fluid raw material is carried out by two simultaneous stirring modes of different rotating speeds of the inner cylinder and the stirring blades, so that the raw material melting is faster and more uniform, and the full proceeding of the subsequent reaction is facilitated; in addition, working fluid raw materials can be added while stirring (namely, the feeding piece is driven to rotate by the rotation of the inner cylinder and then added into the workingLiquid raw materials) are added in a dispersing way, so that the uniform and rapid dispersion of the raw materials is further promoted; the melting device is connected with the jet overflow dyeing machine, after the working solution is discharged, the inner cylinder can be cleaned by using distilled water, and the cleaning solution is continuously discharged to the jet overflow dyeing machine so as to reduce the loss of the working solution; in addition, the device can also be used for the chemical material of the dye.
Drawings
FIG. 1 is a schematic structural view of a stirring apparatus according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
FIG. 4 is an enlarged view at C of FIG. 1;
fig. 5 is a schematic bottom view of the feed member of the present invention.
In the figure: the device comprises an outer cylinder 1, an inner cylinder 2, an end cover 21, a bearing 22, a liquid outlet 23, a feeding part 3, a discharge port 31, a rotating rod 4, a first rotating rod part 41, a second rotating rod part 42, a ball 43, a limiting part 44, a sealing ring 45, a stirring blade 5, a blade 51, a magnet 52, an electromagnet 6, a feeding pipe 7, a motor 8, an outer liquid outlet pipe 9, an inner liquid outlet pipe 91 and a cylinder 92.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description below:
example 1
A method for reducing or removing pentachlorophenol in polyester and polyester blended fabrics comprises the following steps:
(1) preparing a working solution: first 20% o.w.f. Na2CO3And 5% of K of o.w.f2CO3Adding the special refining agent and distilled water into a material melting device in proportion for melting to obtain uniformly mixed pretreatment liquid, wherein the concentration of the special refining agent in the pretreatment liquid is 1.5g/L, then injecting the pretreatment liquid into a jet overflow dyeing machine, injecting distilled water according to the weight of treated textile fabrics until the bath ratio is 1:8, and then operating the machine for 5min to obtain working liquid;
(2) removing residual pentachlorophenol on the textile fabric: and (3) feeding the textile fabric with the pentachlorophenol exceeding the standard into a jet overflow dyeing machine, operating for 30min at the temperature of 40 ℃ according to the traditional dyeing process, then carrying out overflow water washing for 15min, and then carrying out fabric discharging and sizing to obtain a finished product.
The material melting device comprises an outer cylinder 1 and an inner cylinder 2 positioned in the outer cylinder 1, wherein the inner cylinder 2 comprises an end cover 21, the center of the end cover 21 is fixedly connected with a stirring mechanism extending into the inner cavity of the inner barrel 2, the stirring mechanism comprises a feeding piece 3 with a hollow inner part, a rotating rod 4 fixedly connected with the center of the lower wall of the feeding piece 3 and a stirring blade 5 in rolling connection with the rotating rod 4, the lower part of the feeding piece 3 is of a bowl-shaped structure with an opening facing downwards, the lower surface of the feeding piece 3 is provided with a discharge hole 31 which diffuses from inside to outside, the stirring blade 5 comprises blades 51 uniformly distributed on the circumference, a magnet 52 is embedded at the outer end of each blade 51, an electromagnet 6 is fixedly arranged on the outer wall of the inner barrel 2 positioned at the same height as the magnet 52, the inner cylinder 2 is driven to rotate by a motor 8 and drives the feeding piece 3, the rotating rod 4 and the electromagnet 6 to rotate, when the electromagnet 6 rotates, the stirring blade 5 is driven to rotate through the interaction of the electromagnet 6 and the magnet 52.
The end cover 21 is detachably connected, the center of the end cover 21 is connected with a feed pipe 7 through a bearing 22, and the feed pipe 7 penetrates through the end cover 21 and extends into the feed part 3.
The rotating rod 4 comprises a first rotating rod part 41 and a second rotating rod part 42 which are connected up and down, the outer diameter of the first rotating rod part 41 is larger than that of the second rotating rod part 42, and the second rotating rod part 42 is connected with the stirring blade 5 in a rolling mode through a circle of balls 43 embedded in the second rotating rod part 42.
The fixed cover in second bull stick portion 42 middle part is equipped with locating part 44, 5 middle parts of stirring leaf butt under first bull stick portion 41 between terminal surface and locating part 44, all seal through sealing washer 45 between stirring leaf 5 and first bull stick portion 41, between stirring leaf 5 and locating part 44.
Lower part one side of inner tube 2 is equipped with liquid outlet 23, 1 tip in the urceolus links firmly the play liquid pipe 9 of relative from top to bottom with liquid outlet 23, go out and slide in the liquid pipe 9 and inlay and be equipped with interior drain pipe 91, interior drain pipe 91 shifts up through the cylinder 92 drive and makes in the drain pipe 91 stretches into interior drain pipe 91 of liquid outlet 23 lower extreme.
Example 2
A method for reducing or removing pentachlorophenol in polyester and polyester blended fabrics comprises the following steps:
(1) preparing a working solution: first 25% o.w.f. Na2CO3Adding the special refining agent and distilled water into a material melting device in proportion for melting to obtain uniformly mixed pretreatment liquid, wherein the concentration of the special refining agent in the pretreatment liquid is 1.5g/L, then injecting the pretreatment liquid into a jet overflow dyeing machine, injecting distilled water according to the weight of treated textile fabrics until the bath ratio is 1:8, and then operating the machine for 5min to obtain working liquid;
(2) removing residual pentachlorophenol on the textile fabric: and (3) feeding the textile fabric with the pentachlorophenol exceeding the standard into a jet overflow dyeing machine, operating for 30min at the temperature of 40 ℃ according to the traditional dyeing process, then carrying out overflow water washing for 15min, and then carrying out fabric discharging and sizing to obtain a finished product.
In this example, the material melting device in example 1 was used to melt the material.
Example 3
A method for reducing or removing pentachlorophenol in polyester and polyester blended fabrics comprises the following steps:
(1) preparing a working solution: first 25% o.w.f. K2CO3Adding the special refining agent and distilled water into a material melting device in proportion for melting to obtain uniformly mixed pretreatment liquid, wherein the concentration of the special refining agent in the pretreatment liquid is 1.5g/L, then injecting the pretreatment liquid into a jet overflow dyeing machine, injecting distilled water according to the weight of treated textile fabrics until the bath ratio is 1:8, and then operating the machine for 5min to obtain working liquid;
(2) removing residual pentachlorophenol on the textile fabric: and (3) feeding the textile fabric with the pentachlorophenol exceeding the standard into a jet overflow dyeing machine, operating for 30min at the temperature of 40 ℃ according to the traditional dyeing process, then carrying out overflow water washing for 15min, and then carrying out fabric discharging and sizing to obtain a finished product.
In this example, the material melting device in example 1 was used to melt the material.
The method comprises the steps of taking a bright red polyester cotton knitted fabric, an orange polyester woven fabric, a brownish red polyester viscose knitted fabric and a date red polyester wool knitted fabric, respectively carrying out chlorophenol removal treatment according to the methods of examples 1-3, detecting the content of pentachlorophenol in different textile fabrics before and after treatment according to GB/T18414.2-2006 gas chromatography part 2 for determining chlorophenol in textiles, and testing the result as shown in Table 1.
Table 1:
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A method for reducing or removing pentachlorophenol in polyester and blended fabrics thereof is characterized in that: the method comprises the following steps:
(1) preparing a working solution: first 25% o.w.f. Na2CO3And/or K2CO3Adding the special refining agent and distilled water into a material melting device in proportion for melting to obtain uniformly mixed pretreatment liquid, wherein the concentration of the special refining agent in the pretreatment liquid is 1.5g/L, then injecting the pretreatment liquid into a jet overflow dyeing machine, injecting distilled water according to the weight of treated textile fabrics until the bath ratio is 1:8, and then operating the machine for 5min to obtain working liquid;
(2) removing residual pentachlorophenol on the textile fabric: and (3) feeding the textile fabric with the pentachlorophenol exceeding the standard into a jet overflow dyeing machine, operating for 30min at the temperature of 40 ℃ according to the traditional dyeing process, then carrying out overflow water washing for 15min, and then carrying out fabric discharging and sizing to obtain a finished product.
2. The method for reducing or removing pentachlorophenol in polyester and blends thereof according to claim 1, wherein: change material device and include urceolus (1) and be located inner tube (2) of urceolus (1), inner tube (2) are including end cover (21), end cover (21) center department fixedly connected with stretches into the rabbling mechanism of inner tube (2) inner chamber, rabbling mechanism includes inside hollow feeding piece (3), link firmly bull stick (4) of feeding piece (3) lower wall center department, stirring leaf (5) with bull stick (4) roll connection, the lower part of feeding piece (3) is opening bowl structure down, discharge gate (31) from interior to exterior diffusion are seted up to the lower surface of feeding piece (3), stirring leaf (5) are including blade (51) of circumference equipartition, the outer end of blade (51) is inlayed and is equipped with magnet (52), is located eminence such as magnet (52) inner tube (2) outer wall has set firmly electromagnet (6), inner tube (2) rotate and drive feeding piece (3) through motor (8) drive and drive, The rotating rod (4) and the electromagnet (6) rotate, and the electromagnet (6) drives the stirring blade (5) to rotate through the interaction between the electromagnet (6) and the magnet (52) when rotating.
3. The method for reducing or removing pentachlorophenol in polyester and blends thereof according to claim 2, wherein: the end cover (21) is detachably connected, the center of the end cover (21) is connected with a feeding pipe (7) through a bearing (22), and the feeding pipe (7) penetrates through the end cover (21) and extends into the feeding piece (3).
4. The method for reducing or removing pentachlorophenol in polyester and blends thereof according to claim 2, wherein: the rotating rod (4) comprises a first rotating rod part (41) and a second rotating rod part (42) which are connected up and down, the outer diameter of the first rotating rod part (41) is larger than that of the second rotating rod part (42), and the second rotating rod part (42) is connected with the stirring blades (5) in a rolling mode through a circle of balls (43) embedded in the second rotating rod part (42).
5. The method for reducing or removing pentachlorophenol in polyester and blends thereof according to claim 4, wherein: the fixed cover in second bull portion (42) middle part is equipped with locating part (44), stirring leaf (5) middle part butt under first bull portion (41) between terminal surface and locating part (44), all seal through sealing washer (45) between stirring leaf (5) and first bull portion (41), stirring leaf (5) and locating part (44).
6. The method for reducing or removing pentachlorophenol in polyester and blends thereof according to claim 2, wherein: lower part one side of inner tube (2) is equipped with liquid outlet (23), tip has linked firmly the play liquid pipe (9) relative from top to bottom with liquid outlet (23) under urceolus (1), go out liquid pipe (9) and slide in the inlay and be equipped with interior drain pipe (91), interior drain pipe (91) shifts up through cylinder (92) drive and make in drain pipe (91) lower extreme stretches into interior drain pipe (91).
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| CN202210221452.7A CN114699962B (en) | 2019-12-24 | 2019-12-24 | Material melting device for reducing or removing pentachlorophenol in polyester and blended fabric thereof |
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| CN114699962A (en) | 2022-07-05 |
| CN111021108B (en) | 2022-04-12 |
| CN114699962B (en) | 2023-06-23 |
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