CN108166183B - Oiling process in viscose post-treatment refining process - Google Patents
Oiling process in viscose post-treatment refining process Download PDFInfo
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- CN108166183B CN108166183B CN201711421541.1A CN201711421541A CN108166183B CN 108166183 B CN108166183 B CN 108166183B CN 201711421541 A CN201711421541 A CN 201711421541A CN 108166183 B CN108166183 B CN 108166183B
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- 229920000297 Rayon Polymers 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 71
- 230000008569 process Effects 0.000 title claims abstract description 62
- 238000007670 refining Methods 0.000 title claims abstract description 28
- 239000000835 fiber Substances 0.000 claims abstract description 108
- 239000007788 liquid Substances 0.000 claims abstract description 100
- 239000012224 working solution Substances 0.000 claims abstract description 98
- 239000010410 layer Substances 0.000 claims abstract description 20
- 239000002344 surface layer Substances 0.000 claims abstract description 17
- 239000012466 permeate Substances 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 46
- 238000003860 storage Methods 0.000 claims description 33
- 239000000243 solution Substances 0.000 claims description 32
- 238000005507 spraying Methods 0.000 claims description 19
- 238000011084 recovery Methods 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000008041 oiling agent Substances 0.000 abstract description 7
- 238000009987 spinning Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 27
- 238000012423 maintenance Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
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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
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
- D06B15/005—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by squeezing, otherwise than by rollers
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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
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
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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
- D06B5/00—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating
- D06B5/12—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length
- D06B5/14—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length through fibres, slivers or rovings
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- Engineering & Computer Science (AREA)
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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
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Abstract
The invention relates to an oiling process in a viscose post-treatment refining process, belonging to the technical field of viscose production. The invention solves the problem of poor oiling uniformity of viscose fibers in the oiling process in the prior art, and the vacuum pump and the vacuum liquid suction box are arranged to form pressure difference, so that the oiling agent working solution can quickly and better permeate from the surface layer to the bottom layer of the viscose fibers, and the oiling uniformity of the viscose fibers is greatly improved, so that the fibers have softer and smoother hand feeling, better opening property and antistatic property, more proper bundling property and cohesive force, the spinning processing performance of the viscose fibers is greatly improved, meanwhile, the consumption and waste of the oiling agent are reduced, the production cost is reduced, the recyclable oiling agent working solution is increased, and the emission of pollutants is reduced.
Description
Technical Field
The invention relates to an oiling process, in particular to an oiling process in a viscose post-treatment refining process, and belongs to the technical field of viscose production.
Background
The general process of the post-treatment refining process of the viscose fiber comprises the following steps: washing, desulfurizing, washing, bleaching, washing, oiling, drying and the like, wherein each process station is used for removing part of working solution by a squeezing press roll and then enters the next process station.
The oiling purpose is to adjust the surface friction of the fiber, so that the fiber has soft and smooth hand feeling, good opening and antistatic properties, proper bundling property and cohesion, and the spinning processing performance of the fiber is improved.
The invention discloses an invention with a publication number of CN103422290A and a name of 'a large-capacity viscose staple fiber post-treatment production line' in 2013.12.04, and provides the large-capacity viscose staple fiber post-treatment production line in order to meet the yield of 10 ten thousand tons per year. The production line includes refining system and drying system, refiner in the refining system is including refining section, the section of oiling, its characterized in that: the breadth of a refiner of the refining system is 4000mm, the refining section is divided into 13-18 process areas, the oiling section is divided into 2 process areas, and the length of a single area is 2500 mm. The viscose staple fiber post-treatment production line comprises a refining system and a drying system, and has the advantages of strong production capacity, stable operation, high automation degree and guaranteed product quality.
The current state of the short fiber in each process station is as follows: the emulsified oil solution is delivered to a spraying tank of an oiling process station by a delivery pump through a pipeline, the oil solution is sprayed on a viscose fiber layer by the spraying tank, permeates from the surface layer to the lower layer, and is squeezed to extrude redundant oil solution, the oil solution can be continuously recycled, and the consumed oil solution can be supplemented by process adjustment.
However, the thickness of the viscose fiber layer is between 5 and 10cm, the fiber layer becomes tighter after repeated extrusion of each process station, the air permeability and the water permeability are poorer, and 3 to 5cm of bath liquid on the upper layer of the viscose fiber flows away to the left end and the right end, so that the oil solution working solution cannot permeate the bottom layer of the fiber, and the oil applying uniformity of the viscose fiber is poor.
Disclosure of Invention
The invention aims to solve the problem of poor oiling uniformity of viscose fibers in an oiling process in the prior art, and provides the oiling process in the post-treatment refining process of the viscose fibers, which can enable an oiling agent working solution to well penetrate into the bottom layers of the fibers and greatly improve the oiling uniformity of the viscose fibers.
In order to achieve the above purpose, the specific technical solution is as follows:
an oiling process in the post-treatment refining process of viscose fibers is characterized in that: the method comprises the following process steps:
A. in the oiling working section of the viscose fiber refiner, a vacuum liquid suction box is arranged on the lower surface of a chain plate conveying belt, and the side wall of the vacuum liquid suction box is connected with a vacuum pump through a vacuum suction pipeline; the bottom of the vacuum liquid suction box extends into a liquid seal backflow tank below through an oil working solution backflow pipeline, and the side wall of the liquid seal backflow tank is connected with an oil working solution storage tank through an oil working solution circulation recovery pipeline;
B. conveying the viscose on the chain plate conveying belt to an oiling working section, and spraying the oil working solution in the oil working solution storage tank communicated with an oil working solution spraying device above the viscose to the surface layer of the viscose by the oil working solution spraying device above the viscose; by the operation of the vacuum pump, the air pressure of the vacuum liquid suction box is smaller than the air pressure of the surface layer of the viscose fiber, so that the oil agent working solution permeates to the bottom layer of the viscose fiber to oil the viscose fiber;
C. the redundant oil working solution enters the vacuum liquid suction box, then flows back to the liquid seal backflow tank through the oil working solution backflow pipeline, is recycled to the oil working solution storage tank through the oil working solution recycling pipeline after the liquid level is raised, and is recycled;
D. after the viscose fibers are oiled, squeezing out redundant oil agent working solution by a squeezing roller, and entering a drying working section to finish the oiling process.
Preferably, the oiling working sections are multiple and are sequentially arranged in series, and the edges of the liquid seal backflow grooves in the front oiling working section and the rear oiling working section are connected.
Furthermore, in a plurality of oiling working sections, the tail end of the chain plate conveying belt of the last oiling working section is provided with a large squeezing roller, and the tail ends of the chain plate conveying belts of all the oiling working sections in front of the last oiling working section are provided with small squeezing rollers.
Furthermore, in a plurality of oiling stations, the oiling station spraying device only exists above all oiling stations in front of the last oiling station.
Furthermore, a squeezing section is arranged behind the last oiling section in the plurality of oiling sections, a squeezing reflux groove is arranged below a chain plate conveying belt of the squeezing section, and the bottom of the squeezing reflux groove is provided with the oil working solution circulating and recovering pipeline communicated with the oil working solution storage tank; the tail end of the chain plate conveying belt is provided with the large pressing roller.
Preferably, the cross section of the liquid seal backflow groove is in an inverted trapezoid shape, and the oil working fluid circulation recovery pipeline is arranged on the upper half part of the inclined edge of the inverted trapezoid shape.
Preferably, the bottom of the liquid seal backflow tank is communicated with the oil working solution storage tank through a maintenance backflow pipeline with a valve.
Preferably, the pressure of the vacuum pump is less than or equal to-0.1 MPa.
In the invention, the temperature of the oil agent working solution is preferably 40-65 ℃.
The invention has the following beneficial technical effects:
1. the invention solves the problem of poor oiling uniformity of viscose fibers in the oiling process in the prior art, and the vacuum pump and the vacuum liquid suction box are arranged to form pressure difference, so that the oiling agent working solution can quickly and better permeate from the surface layer to the bottom layer of the viscose fibers, and the oiling uniformity of the viscose fibers is greatly improved, so that the fibers have softer and smoother hand feeling, better opening property and antistatic property, more proper bundling property and cohesive force, the spinning processing performance of the viscose fibers is greatly improved, meanwhile, the consumption and waste of the oiling agent are reduced, the production cost is reduced, the recyclable oiling agent working solution is increased, and the emission of pollutants is reduced.
2. Preferably, the oiling working sections are multiple and are sequentially arranged in series, and the edges of the liquid seal backflow grooves in the front oiling working section and the rear oiling working section are connected. A plurality of workshop sections of oiling can make viscose fiber oil more abundant. The edges of the liquid seal backflow grooves are connected, so that leakage or dripping of squeezed oil working solution can be prevented, and waste and equipment pollution are avoided.
3. Furthermore, the tail end of the chain plate conveyer belt of the last oiling working section is provided with a large squeezing roller, and the tail ends of the chain plate conveyer belts of all oiling working sections in front of the last oiling working section are provided with small squeezing rollers. The small squeezing roller and the large squeezing roller are matched, so that redundant oil working fluid can be squeezed out better, and recycling of the oil working fluid is facilitated.
4. Furthermore, the oil working fluid spraying device is only arranged above all oiling stations in front of the last oiling station. The arrangement can prevent the excessive spraying of the oil agent working solution.
5. Furthermore, a squeezing section is arranged behind the last oiling section in the plurality of oiling sections, a squeezing reflux groove is arranged below a chain plate conveying belt of the squeezing section, and the bottom of the squeezing reflux groove is provided with the oil working solution circulating and recovering pipeline communicated with the oil working solution storage tank; the tail end of the chain plate conveying belt is provided with the large pressing roller. Further perfects squeezing and improves the recovery rate and recovery quantity of the oil solution working solution.
6. Preferably, the cross section of the liquid seal backflow groove is in an inverted trapezoid shape, and the oil working fluid circulation recovery pipeline is arranged on the upper half part of the inclined edge of the inverted trapezoid shape. The arrangement can ensure that the oil working fluid is accumulated in the liquid seal return tank to a certain amount and then is recovered, the corresponding liquid level height can be always kept, and the good liquid seal effect is ensured.
7. Preferably, the bottom of the liquid seal backflow tank is communicated with the oil working solution storage tank through a maintenance backflow pipeline with a valve. The maintenance backflow pipeline provided with the bag valve can be closed when the equipment runs, oiling work is not influenced, and residual liquid in the liquid seal backflow groove can be discharged during maintenance, so that maintenance is facilitated.
Drawings
Fig. 1 is a schematic connection diagram of an equipment device of an oiling system adopted in the oiling process.
Reference numerals: the device comprises a storage tank for oil agent working solution 1, a spraying device for oil agent working solution 2, a chain plate conveyer belt 3, a liquid seal return tank 4, a vacuum liquid suction box 5, a vacuum suction pipeline 6, a vacuum pump 7, an oil agent working solution return pipeline 8, an oil agent working solution circulating recovery pipeline 9, a large press roll 10, a small press roll 11, a press return tank 12 and an overhaul return pipeline 13.
Detailed Description
Example 1
An oiling process in the post-treatment refining process of viscose fibers comprises the following process steps:
A. in the oiling working section of the viscose fiber refiner, a vacuum liquid suction box 5 is arranged on the lower surface of a chain plate conveying belt 3, and the side wall of the vacuum liquid suction box 5 is connected with a vacuum pump 7 through a vacuum suction pipeline 6; the bottom of the vacuum liquid suction box 5 extends into the liquid seal return tank 4 below through an oil working solution return pipeline 8, and the side wall of the liquid seal return tank 4 is connected with an oil working solution storage tank 1 through an oil working solution circulation recovery pipeline 9;
B. viscose fibers on the chain plate conveying belt 3 are conveyed to an oiling working section, and an oil agent working solution spraying device 2 above the viscose fibers sprays oil agent working solution in the oil agent working solution storage tank 1 communicated with the viscose fibers to the surface layer of the viscose fibers; by the operation of the vacuum pump 7, the air pressure of the vacuum liquid suction box 5 is smaller than the air pressure of the surface layer of the viscose fiber, so that the oil agent working solution permeates to the bottom layer of the viscose fiber to oil the viscose fiber;
C. the redundant oil solution working fluid enters the vacuum liquid suction box 5, then flows back to the liquid seal backflow tank 4 through the oil solution working fluid backflow pipeline 8, is recycled to the oil solution working fluid storage tank 1 through the oil solution working fluid recycling pipeline 9 after the liquid level is raised, and is recycled;
D. after the viscose fibers are oiled, squeezing out redundant oil agent working solution by a squeezing roller, and entering a drying working section to finish the oiling process.
Due to the suction force of the vacuum pump 7, the oil agent working solution penetrates through the viscose fiber layer, so that the viscose fiber at the bottom layer is uniformly oiled, the oiling uniformity is improved, and the product quality is improved; due to the suction of the vacuum pump 7, the oil agent working solution penetrates through the viscose fiber layer and does not flow away from the left end and the right end of the viscose fiber layer, so that the oil agent loss is reduced, the production cost is reduced, the oil agent loss is reduced, the environment-friendly treatment cost is reduced, and the environment pollution is reduced.
Example 2
An oiling process in the post-treatment refining process of viscose fibers comprises the following process steps:
A. in the oiling working section of the viscose fiber refiner, a vacuum liquid suction box 5 is arranged on the lower surface of a chain plate conveying belt 3, and the side wall of the vacuum liquid suction box 5 is connected with a vacuum pump 7 through a vacuum suction pipeline 6; the bottom of the vacuum liquid suction box 5 extends into the liquid seal return tank 4 below through an oil working solution return pipeline 8, and the side wall of the liquid seal return tank 4 is connected with an oil working solution storage tank 1 through an oil working solution circulation recovery pipeline 9;
B. viscose fibers on the chain plate conveying belt 3 are conveyed to an oiling working section, and an oil agent working solution spraying device 2 above the viscose fibers sprays oil agent working solution in the oil agent working solution storage tank 1 communicated with the viscose fibers to the surface layer of the viscose fibers; by the operation of the vacuum pump 7, the air pressure of the vacuum liquid suction box 5 is smaller than the air pressure of the surface layer of the viscose fiber, so that the oil agent working solution permeates to the bottom layer of the viscose fiber to oil the viscose fiber;
C. the redundant oil solution working fluid enters the vacuum liquid suction box 5, then flows back to the liquid seal backflow tank 4 through the oil solution working fluid backflow pipeline 8, is recycled to the oil solution working fluid storage tank 1 through the oil solution working fluid recycling pipeline 9 after the liquid level is raised, and is recycled;
D. after the viscose fibers are oiled, squeezing out redundant oil agent working solution by a squeezing roller, and entering a drying working section to finish the oiling process.
Preferably, the oiling working sections are multiple and are sequentially arranged in series, and the edges of the liquid seal backflow grooves 4 in the front oiling working section and the rear oiling working section are connected.
Further, in a plurality of oiling working sections, the tail end of the chain plate conveying belt 3 of the last oiling working section is provided with a large squeezing roller 10, and the tail ends of the chain plate conveying belts 3 of all the oiling working sections in front of the last oiling working section are provided with small squeezing rollers 11.
Further, in a plurality of oiling stations, the oiling station spraying device 2 is only arranged above all oiling stations in front of the last oiling station.
Further, a squeezing section is arranged behind the last oiling section in the plurality of oiling sections, a squeezing reflux groove 12 is arranged below a chain plate conveyer belt 3 of the squeezing section, and the bottom of the squeezing reflux groove 12 is provided with the oil working solution circulation recovery pipeline 9 communicated with the oil working solution storage tank 1; the big press roll 10 is arranged at the tail end of the chain plate conveying belt 3.
Example 3
An oiling process in the post-treatment refining process of viscose fibers comprises the following process steps:
A. in the oiling working section of the viscose fiber refiner, a vacuum liquid suction box 5 is arranged on the lower surface of a chain plate conveying belt 3, and the side wall of the vacuum liquid suction box 5 is connected with a vacuum pump 7 through a vacuum suction pipeline 6; the bottom of the vacuum liquid suction box 5 extends into the liquid seal return tank 4 below through an oil working solution return pipeline 8, and the side wall of the liquid seal return tank 4 is connected with an oil working solution storage tank 1 through an oil working solution circulation recovery pipeline 9;
B. viscose fibers on the chain plate conveying belt 3 are conveyed to an oiling working section, and an oil agent working solution spraying device 2 above the viscose fibers sprays oil agent working solution in the oil agent working solution storage tank 1 communicated with the viscose fibers to the surface layer of the viscose fibers; by the operation of the vacuum pump 7, the air pressure of the vacuum liquid suction box 5 is smaller than the air pressure of the surface layer of the viscose fiber, so that the oil agent working solution permeates to the bottom layer of the viscose fiber to oil the viscose fiber;
C. the redundant oil solution working fluid enters the vacuum liquid suction box 5, then flows back to the liquid seal backflow tank 4 through the oil solution working fluid backflow pipeline 8, is recycled to the oil solution working fluid storage tank 1 through the oil solution working fluid recycling pipeline 9 after the liquid level is raised, and is recycled;
D. after the viscose fibers are oiled, squeezing out redundant oil agent working solution by a squeezing roller, and entering a drying working section to finish the oiling process.
Preferably, the cross section of the liquid seal backflow tank 4 is in an inverted trapezoid shape, and the oil working fluid circulation recovery pipeline 9 is arranged on the upper half part of the inclined edge of the inverted trapezoid shape.
Example 4
An oiling process in the post-treatment refining process of viscose fibers comprises the following process steps:
A. in the oiling working section of the viscose fiber refiner, a vacuum liquid suction box 5 is arranged on the lower surface of a chain plate conveying belt 3, and the side wall of the vacuum liquid suction box 5 is connected with a vacuum pump 7 through a vacuum suction pipeline 6; the bottom of the vacuum liquid suction box 5 extends into the liquid seal return tank 4 below through an oil working solution return pipeline 8, and the side wall of the liquid seal return tank 4 is connected with an oil working solution storage tank 1 through an oil working solution circulation recovery pipeline 9;
B. viscose fibers on the chain plate conveying belt 3 are conveyed to an oiling working section, and an oil agent working solution spraying device 2 above the viscose fibers sprays oil agent working solution in the oil agent working solution storage tank 1 communicated with the viscose fibers to the surface layer of the viscose fibers; by the operation of the vacuum pump 7, the air pressure of the vacuum liquid suction box 5 is smaller than the air pressure of the surface layer of the viscose fiber, so that the oil agent working solution permeates to the bottom layer of the viscose fiber to oil the viscose fiber;
C. the redundant oil solution working fluid enters the vacuum liquid suction box 5, then flows back to the liquid seal backflow tank 4 through the oil solution working fluid backflow pipeline 8, is recycled to the oil solution working fluid storage tank 1 through the oil solution working fluid recycling pipeline 9 after the liquid level is raised, and is recycled;
D. after the viscose fibers are oiled, squeezing out redundant oil agent working solution by a squeezing roller, and entering a drying working section to finish the oiling process.
Preferably, the bottom of the liquid seal backflow tank 4 is communicated with the oil agent working solution storage tank 1 through a maintenance backflow pipeline 13 with a valve.
Example 5
An oiling process in the post-treatment refining process of viscose fibers comprises the following process steps:
A. in the oiling working section of the viscose fiber refiner, a vacuum liquid suction box 5 is arranged on the lower surface of a chain plate conveying belt 3, and the side wall of the vacuum liquid suction box 5 is connected with a vacuum pump 7 through a vacuum suction pipeline 6; the bottom of the vacuum liquid suction box 5 extends into the liquid seal return tank 4 below through an oil working solution return pipeline 8, and the side wall of the liquid seal return tank 4 is connected with an oil working solution storage tank 1 through an oil working solution circulation recovery pipeline 9;
B. viscose fibers on the chain plate conveying belt 3 are conveyed to an oiling working section, and an oil agent working solution spraying device 2 above the viscose fibers sprays oil agent working solution in the oil agent working solution storage tank 1 communicated with the viscose fibers to the surface layer of the viscose fibers; by the operation of the vacuum pump 7, the air pressure of the vacuum liquid suction box 5 is smaller than the air pressure of the surface layer of the viscose fiber, so that the oil agent working solution permeates to the bottom layer of the viscose fiber to oil the viscose fiber;
C. the redundant oil solution working fluid enters the vacuum liquid suction box 5, then flows back to the liquid seal backflow tank 4 through the oil solution working fluid backflow pipeline 8, is recycled to the oil solution working fluid storage tank 1 through the oil solution working fluid recycling pipeline 9 after the liquid level is raised, and is recycled;
D. after the viscose fibers are oiled, squeezing out redundant oil agent working solution by a squeezing roller, and entering a drying working section to finish the oiling process.
Preferably, the pressure of the vacuum pump 7 is less than or equal to-0.1 MPa.
Preferably, the temperature of the oil working solution is 40-65 ℃.
Example 6
An oiling system in the post-treatment refining process of viscose fibers comprises oiling working section equipment, an oil working solution storage tank 1 and an oil working solution spraying device 2; the oil working solution spraying device 2 is connected with the oil working solution storage tank 1 and is arranged above the oiling working section equipment;
the oiling working section equipment comprises a chain plate conveying belt 3 and a liquid seal return tank 4, wherein a vacuum liquid suction box 5 is arranged on the lower surface of the chain plate conveying belt 3, a pressing roller is arranged at the tail end of the chain plate conveying belt 3, and the liquid seal return tank 4 is arranged below the vacuum liquid suction box 5 and the pressing roller; the side wall of the vacuum liquid suction box 5 is connected with a vacuum pump 7 through a vacuum suction pipeline 6; the bottom of the vacuum liquid suction box 5 extends into the liquid seal return tank 4 through an oil working liquid return pipeline 8, and the side wall of the liquid seal return tank 4 is connected with the oil working liquid storage tank 1 through an oil working liquid circulation recovery pipeline 9.
Claims (9)
1. An oiling process in the post-treatment refining process of viscose fibers is characterized in that: the method comprises the following process steps:
A. in the oiling working section of the viscose fiber refiner, a vacuum liquid suction box (5) is arranged on the lower surface of a chain plate conveying belt (3), and the side wall of the vacuum liquid suction box (5) is connected with a vacuum pump (7) through a vacuum suction pipeline (6); the bottom of the vacuum liquid suction box (5) extends into a liquid seal return tank (4) below through an oil working liquid return pipeline (8), and the side wall of the liquid seal return tank (4) is connected with an oil working liquid storage tank (1) through an oil working liquid circulation recovery pipeline (9);
B. viscose fibers on the chain plate conveying belt (3) are conveyed to an oiling working section, and an oil agent working solution spraying device (2) above the viscose fibers sprays oil agent working solution in the oil agent working solution storage tank (1) communicated with the viscose fibers to the surface layers of the viscose fibers; by the operation of the vacuum pump (7), the air pressure of the vacuum liquid suction box (5) is smaller than the air pressure of the surface layer of the viscose fiber, so that the oil agent working solution permeates to the bottom layer of the viscose fiber to oil the viscose fiber;
C. the redundant oil solution working solution enters the vacuum liquid suction box (5), then flows back to the liquid seal backflow tank (4) through the oil solution working solution backflow pipeline (8), is recycled to the oil solution working solution storage tank (1) through the oil solution working solution recycling pipeline (9) after the liquid level height rises, and is recycled;
D. after the viscose fibers are oiled, squeezing out redundant oil agent working solution by a squeezing roller, and entering a drying working section to finish the oiling process.
2. The oiling process in the post-treatment refining process of viscose fibers according to claim 1, which is characterized in that: the oiling working sections are arranged in series in sequence, and the edges of the liquid seal backflow grooves (4) in the front oiling working section and the rear oiling working section are connected.
3. The oiling process in the viscose fiber post-treatment refining process according to claim 2, which is characterized in that: in a plurality of oiling working sections, the tail end of the chain plate conveying belt (3) of the last oiling working section is provided with a large squeezing roller (10), and the tail ends of the chain plate conveying belts (3) of all the oiling working sections in front of the last oiling working section are provided with small squeezing rollers (11).
4. The oiling process in the viscose fiber post-treatment refining process according to claim 2, which is characterized in that: in a plurality of oiling stations, the oiling station spraying device (2) is only arranged above all oiling stations in front of the last oiling station.
5. The oiling process in the post-treatment refining process of viscose fiber according to claim 3, characterized in that: a squeezing working section is arranged behind the last oiling working section in the plurality of oiling working sections, a squeezing reflux groove (12) is arranged below a chain plate conveying belt (3) of the squeezing working section, and the bottom of the squeezing reflux groove (12) is provided with an oil working solution circulating and recovering pipeline (9) communicated with the oil working solution storage tank (1); the tail end of the chain plate conveying belt (3) is provided with the large squeezing roller (10).
6. The oiling process in the post-treatment refining process of viscose fibers according to claim 1, which is characterized in that: the cross section of the liquid seal backflow groove (4) is inverted trapezoid, and the oil agent working solution circulation recovery pipeline (9) is arranged on the upper half part of the inverted trapezoid inclined edge.
7. The oiling process in the post-treatment refining process of viscose fibers according to claim 1, which is characterized in that: the bottom of the liquid seal backflow tank (4) is communicated with the oil agent working solution storage tank (1) through an overhaul backflow pipeline (13) with a valve.
8. The oiling process in the post-treatment refining process of viscose fibers according to claim 1, which is characterized in that: the pressure of the vacuum pump (7) is less than or equal to-0.1 Mpa.
9. The oiling process in the post-treatment refining process of viscose fibers according to claim 1, which is characterized in that: the temperature of the oil agent working solution is 40-65 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421541.1A CN108166183B (en) | 2017-12-25 | 2017-12-25 | Oiling process in viscose post-treatment refining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421541.1A CN108166183B (en) | 2017-12-25 | 2017-12-25 | Oiling process in viscose post-treatment refining process |
Publications (2)
| Publication Number | Publication Date |
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| CN108166183A CN108166183A (en) | 2018-06-15 |
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| CN202936524U (en) * | 2012-10-10 | 2013-05-15 | 江苏新民纺织科技股份有限公司 | Structure for implementing multi-F superfine denier differential fiber single control oiling process |
| CN103422290B (en) * | 2013-08-29 | 2015-07-01 | 宜宾丝丽雅股份有限公司 | Large-capacity viscose staple fiber post-treatment production line |
| CN203540534U (en) * | 2013-11-14 | 2014-04-16 | 天津市精细化学制剂厂 | Preparation device of efficient oil for polypropylene fibre |
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