CN113718442A - Rayon fabric pretreatment process - Google Patents
Rayon fabric pretreatment process Download PDFInfo
- Publication number
- CN113718442A CN113718442A CN202110978628.9A CN202110978628A CN113718442A CN 113718442 A CN113718442 A CN 113718442A CN 202110978628 A CN202110978628 A CN 202110978628A CN 113718442 A CN113718442 A CN 113718442A
- Authority
- CN
- China
- Prior art keywords
- bleaching
- fabric
- box
- liquid
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004744 fabric Substances 0.000 title claims abstract description 194
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 22
- 229920000297 Rayon Polymers 0.000 title claims abstract description 19
- 239000002964 rayon Substances 0.000 title claims abstract description 18
- 238000004061 bleaching Methods 0.000 claims abstract description 195
- 238000005507 spraying Methods 0.000 claims abstract description 112
- 238000009991 scouring Methods 0.000 claims abstract description 100
- 239000012535 impurity Substances 0.000 claims abstract description 67
- 239000007921 spray Substances 0.000 claims abstract description 25
- 238000009990 desizing Methods 0.000 claims abstract description 10
- 238000009999 singeing Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 162
- 238000002360 preparation method Methods 0.000 claims description 80
- 238000010438 heat treatment Methods 0.000 claims description 67
- 238000003756 stirring Methods 0.000 claims description 51
- 238000001514 detection method Methods 0.000 claims description 36
- 238000005192 partition Methods 0.000 claims description 24
- 238000001125 extrusion Methods 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 17
- 238000009835 boiling Methods 0.000 claims description 16
- 238000010992 reflux Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 18
- 239000004753 textile Substances 0.000 description 13
- 230000002411 adverse Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009881 heat bleaching Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- D06B23/04—Carriers or supports for textile materials to be treated
-
- 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
-
- 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
-
- 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
- D06B2700/00—Treating of textile materials, e.g. bleaching, dyeing, mercerising, impregnating, washing; Fulling of fabrics
- D06B2700/36—Devices or methods for dyeing, washing or bleaching not otherwise provided for
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The application relates to a rayon fabric pretreatment process, relates to the technical field of cotton fabric production, and comprises the following steps: s1, preparing grey cloth; s2, singeing; s3, desizing; s4, scouring, namely scouring the fabric through a scouring pool; s6, bleaching, namely bleaching the fabric through a bleaching tank; s7, mercerizing; s5 is arranged between S4 and S6: and spraying, namely spraying the fabric through a spraying device and removing impurities on the fabric. This application sprays the fabric through spray set for impurity on the fabric drops, sprays the completion back, and the fabric moves to the bleaching pond and bleaches, thereby has reduced the quantity of impurity on the fabric when bleaching, has improved the bleaching quality of fabric.
Description
Technical Field
The application relates to the technical field of cotton fabric production, in particular to a rayon fabric pretreatment process.
Background
Artificial cotton, also known as viscose, is a main variety in regenerated fiber, and its industrial production has been in history for over 100 years. Along with the great improvement of the living standard of people, the fashion cycle of clothes is shorter and shorter, the advantages of some fibers such as high strength, good wear resistance and the like in the past are no longer advantages, the disadvantages such as stuffiness and air impermeability in wearing are increasingly emphasized under the enhancement of the self-health care consciousness of human bodies, and the selection of consumers for clothes fabrics tends to natural fibers more and more under the influence of natural thinking.
In the related art, reference may be made to the chinese patent application publication No. CN107858823A, which discloses a soft hand feeling fabric pretreatment process, the steps of the soft hand feeling fabric pretreatment process include: (1) the preparation method comprises the following steps of (1) grey cloth preparation, (2) singeing, (3) desizing, (4) boiling, (5) bleaching and (6) mercerizing.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: scouring is to remove impurities on the fabric by using caustic soda and other scouring aids to react with substances on the fabric, and when the fabric is bleached after scouring is finished, more impurities exist on the fabric, so that the impurities easily cause adverse effects on a bleaching process, and the bleaching quality of the fabric is reduced.
Disclosure of Invention
In order to improve bleaching quality, the application provides a rayon fabric pretreatment process.
The application provides a rayon fabric pretreatment process, which adopts the following technical scheme:
a rayon fabric pretreatment process comprises the following steps:
s1, preparing grey cloth;
s2, singeing;
s3, desizing;
s4, scouring, namely scouring the fabric through a scouring pool;
s6, bleaching, namely bleaching the fabric through a bleaching tank;
s7, mercerizing;
s5 is arranged between the S4 and the S6: and spraying, namely spraying the fabric through a spraying device and removing impurities on the fabric.
By adopting the technical scheme, the gray cloth is prepared, then the gray cloth is subjected to desizing treatment after singeing treatment, the woven cloth is subjected to scouring treatment after desizing treatment, the fabric is sprayed by the spraying device after scouring treatment, so that impurities on the fabric fall off, and after spraying is finished, the fabric is moved to the bleaching pool for bleaching, so that the quantity of the impurities on the fabric during bleaching of the fabric is reduced, the adverse effect of the impurities on the fabric during bleaching is reduced, and the bleaching quality of the fabric is improved; meanwhile, the amount of impurities in the bleaching solution is reduced, and the probability of bleaching solution waste caused by bleaching solution replacement is reduced.
Optionally, a filtering device for filtering the scouring liquid is arranged on the scouring pool, and the filtering device comprises;
the filter box is arranged on the boiling-off pool, is communicated with the boiling-off pool through a liquid inlet pipe and is provided with a sliding hole;
the filter frame is slidably arranged on the sliding hole and is used for filtering the scouring liquid entering the filter box, and a positioning plate abutting against the filter box is arranged on the filter frame;
the filter pump is arranged on the filter tank and communicated with the interior of the filter tank;
the liquid outlet pipe is arranged on the filter pump and is communicated with the spraying device;
and the backflow mechanism is arranged on the filter box and is used for refluxing the boiling liquid sprayed by the spraying device into the boiling pool.
Impurities in the scouring liquor are treated by the scouring tank, so that more and more impurities are contained in the scouring liquor, the scouring effect of the scouring liquor on the fabrics is reduced, the probability that the impurities fall into the bleaching liquor is increased, and the bleaching quality of the fabrics is reduced;
through adopting above-mentioned technical scheme, boiling-off liquid and impurity get into the filter frame through the feed liquor pipe and filter, impurity stops in the filter frame, and the boiling-off liquid after the filtration gets into spray set through the drain pipe and sprays, consequently remaining impurity on the boiling-off liquid washes away the fabric, then the boiling-off liquid flows back in the boiling-off pond through return mechanism, filter the impurity in the boiling-off liquid with this, the boiling-off effect of boiling-off liquid to the fabric has been improved, the probability that impurity dropped into the bleaching liquid has also been reduced simultaneously, the bleaching quality of fabric has been improved, and the boiling-off liquid is used for spraying the fabric, need not additionally to add the water source and spray the fabric, the utilization ratio to the boiling-off liquid has been improved.
Optionally, the spraying device comprises;
the spraying box is arranged on the scouring tank, the textile is scoured and then moves into the bleaching tank through the spraying box, and the spraying box is positioned above the filter box;
the two first guide rollers and the two second guide rollers are rotatably arranged in the spraying box, the second guide roller is positioned between the two first guide rollers and below the first guide rollers, and the fabric is in an inclined state when bypassing the first guide rollers and the second guide rollers;
the two spraying plates are arranged on the inner side wall of the spraying box and are respectively positioned between the two first guide rollers and the two second guide rollers, the two spraying plates are positioned on two sides of the fabric, the side wall of the spraying plates close to one side of the fabric is parallel to the fabric, and a plurality of spraying holes which are communicated with the liquid outlet pipe and face the fabric are uniformly formed in the side wall of the spraying plates close to one side of the fabric;
the water conservancy diversion passageway, the water conservancy diversion passageway sets up on spraying incasement lateral wall and is located the fabric and be close to first guide roll one side, the water conservancy diversion passageway catches boiling-off liquid and impurity that drop on the fabric and the water conservancy diversion sprays the incasement.
Through adopting above-mentioned technical scheme, the fabric is around first guide roll and second guide roll in proper order, make the fabric be the tilt state, the scouring liquid sprays on two surfaces of fabric through being located two spray holes that spray on the board, the fabric deviates from the impurity on second guide roll one side surface and drops to spray the incasement along with the scouring liquid downwards, and the impurity on the other surface of fabric drops to the direction passageway along with the scouring liquid, the direction track is with impurity and scouring liquid water conservancy diversion to spray the incasement, the probability that impurity drops fabric and second guide roll contact department has been reduced, thereby improved the impurity removal effect of scouring liquid to the fabric, the bleaching quality to the fabric has been improved, the quality of fabric has been improved.
Optionally, the backflow mechanism comprises;
the filter box comprises a filter frame, a first partition plate and a second partition plate, wherein the first partition plate and the second partition plate are arranged in the filter box at intervals up and down and divide the filter box into a first space and a second space which are mutually independent;
the conveying pipe is arranged on the lower surface of the spraying box and is communicated with the first space;
the backflow pump is arranged on the filter box and communicated with the first space;
the back flow, the back flow sets up on the backwash pump and is located feed liquor pipe below and extends to in the boiling-off pond, be provided with on the back flow and make the back flow in the back flow boiling-off liquid can only get into the backward flow check valve in the boiling-off pond.
By adopting the technical scheme, impurities and scouring liquid in the spraying box enter the second space through the conveying pipe under the action of gravity, the impurities and the scouring liquid in the scouring pool enter the first space, so that the impurities stay in the filtering frame, the filtered scouring liquid enters the first space and the second space, and the scouring liquid in the first space is used for spraying the fabric through the filtering pump, so that the probability that the impurities in the spraying box enter the scouring pool is reduced, and the scouring and bleaching quality of the fabric is improved;
and the scouring liquid in the second space enters the scouring pool through the reflux pump and the reflux pipe, and the scouring liquid moves upwards to push impurities in the scouring liquid in the scouring pool to move upwards, so that more impurities in the scouring liquid in the scouring pool move to the filter frame to be collected, the removal effect of the impurities in the scouring liquid is improved, the scouring quality and the bleaching quality of the fabric are improved, and the quality of the fabric is improved.
Optionally, an extruding device for extruding scouring liquid in the fabric is arranged on the spraying box and at the two first guide rollers, and the extruding device comprises;
the extrusion cylinder is arranged on the spray box;
the sliding block is arranged on the piston rod of the extrusion cylinder and positioned above the first guide roller;
and the squeezing roller is rotatably arranged on the sliding block and is matched with the first guide roller to squeeze the fabric.
By adopting the technical scheme, the extrusion cylinder is started to drive the sliding block to move, the sliding block drives the extrusion roller to be far away from the first guide roller, so that the fabric can pass through the space between the first guide roller and the extrusion roller, and the extrusion cylinder is started to drive the extrusion roller to be close to the first guide roller to extrude the fabric; therefore, the textile which is just input into the spraying box is extruded, so that impurities on the forehead part of the textile fall along with scouring liquid, the content of the scouring liquid of the textile is reduced, the adhesion of the impurities on the textile is reduced, the removing effect of the spraying plate on the impurities of the textile is improved, the textile which is to be output from the spraying box is extruded, the scouring liquid which is sprayed onto the textile by the spraying plate flows out, the waste of the scouring liquid is reduced, the adverse effect of the scouring liquid in the textile on the bleaching of the textile is also reduced, the bleaching quality of the textile is improved, and the quality of the textile is improved.
Optionally, a brush plate is arranged on the spraying box and between the first guide roller and the second guide roller, and bristles abutted against the fabric are arranged on the brush plate.
Through adopting above-mentioned technical scheme, the brush on the brush board is cleared up the fabric for the impurity that adheres on the fabric turns up, has reduced the adhesion between impurity and the fabric, has improved the effect of getting rid of impurity of spraying the board.
Optionally, a preparation device for preparing bleaching liquid is arranged on the bleaching tank, and the preparation device comprises;
the detection tube is arranged on the bleaching pool, and bleaching liquid enters the detection tube;
the first PH detector is arranged on the detection pipe and used for detecting the PH value of bleaching liquid in the detection pipe, and a control valve is arranged on the detection pipe and positioned on one side, away from the bleaching tank, of the first PH detector;
the preparation box is arranged on the bleaching pool, is communicated with the detection tube and is used for preparing bleaching liquid, and an adding tube for adding and preparing raw materials of the bleaching liquid is arranged on the preparation box;
the second PH detector is arranged on the preparation box and is used for detecting the PH value of the bleaching liquid in the preparation box;
the preparation pump is arranged on the preparation box and is communicated with the interior of the preparation box, a preparation pipe communicated with the bleaching pool below the detection pipe is arranged on the preparation pump, and a preparation check valve enabling bleaching liquid in the preparation pipe to only enter the bleaching pool is arranged on the preparation pipe;
and the stirring mechanism is arranged on the preparation box and is used for stirring the bleaching liquid.
By adopting the technical scheme, the bleaching liquid enters the detection tube in the bleaching tank, the first PH detector detects the PH value of the bleaching liquid, when the effective components in the bleaching liquid are lower and lower, the PH value is reduced to be lower than the designated value, the control valve is opened, the bleaching liquid in the bleaching tank enters the preparation box through the detection tube, then the control valve is closed, the raw material for preparing the bleaching liquid is added into the preparation box through the addition tube, the stirring mechanism is started to stir for preparing the bleaching liquid, the second PH detector detects the PH value of the bleaching liquid in the preparation box, when the PH value reaches the designated value, the raw material is stopped to be added, then the preparation pump is started, the bleaching liquid enters the bleaching tank through the preparation tube, so that the bleaching quality of the fabric is improved, and the quality of the fabric is improved.
Optionally, the stirring mechanism comprises;
the stirring rod is rotatably arranged on the preparation box;
the stirring blade is arranged on the stirring rod;
and the stirring motor is arranged on the preparation box and is connected with the stirring rod.
Through adopting above-mentioned technical scheme, agitator motor starts to drive the puddler and rotates, and the puddler rotates and drives the stirring leaf and rotate and stir, has improved the mixed effect when preparing bleaching solution.
Optionally, a heating device for heating the bleaching solution is arranged on the bleaching tank, and the heating device comprises;
the heating box is arranged on the bleaching pool;
the air inlet pipe is arranged on the heating box, extends into bleaching liquid in the bleaching tank and is provided with a plurality of vertically upward air outlet holes;
the fan is arranged on the heating box and enables air to enter the air inlet pipe;
the heating pipe is arranged in the heating box and is used for heating air entering the heating box;
the air return pipe is arranged on the bleaching tank and is communicated with the heating box positioned between the fan and the heating pipe;
and the temperature detector is arranged on the bleaching tank, is used for detecting the temperature of the bleaching liquid and is electrically connected with the heating pipe.
By adopting the technical scheme, the fan is started to enable air to enter the heating box, the heating pipe heats the air in the heating box, hot air is input into the bleaching pool through the air inlet pipe and the air outlet hole to heat bleaching liquid, the hot air is moved back into the heating box through the air return pipe to be continuously recycled, the temperature detector detects the temperature of the bleaching liquid, and when the temperature reaches a specified value, the temperature detector controls the heating pipe to stop heating, so that the bleaching liquid is at a proper temperature, and the bleaching quality of the fabric is improved; and the blower is continuously started, and air stirs the bleaching solution through the air outlet, so that the probability of precipitation of effective components in the bleaching solution is reduced, the bleaching quality of the fabric is improved, and the quality of the fabric is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the spraying device is used for spraying the fabric, so that impurities on the fabric fall off, and after the spraying is finished, the fabric is moved to the bleaching tank for bleaching, so that the quantity of the impurities on the fabric during bleaching of the fabric is reduced, and the bleaching quality of the fabric is improved;
2. the scouring liquid is filtered through the filter frame, and the filtered scouring liquid enters the spraying device for spraying, so that residual impurities on the fabric are washed away by the scouring liquid, and then the scouring liquid flows back to the scouring tank through the backflow mechanism to filter the impurities in the scouring liquid, so that the scouring effect of the scouring liquid on the fabric is improved, the probability that the impurities fall into bleaching liquid is reduced, the bleaching quality of the fabric is improved, the scouring liquid is used for spraying the fabric, no additional water source is needed for spraying the fabric, and the utilization rate of the scouring liquid is improved;
3. the scouring liquid is sprayed on the two surfaces of the fabric by the fabric bypassing the first guide roller and the second guide roller, so that impurities on the fabric and the scouring liquid are guided into the spraying box, the impurity removing effect of the scouring liquid on the fabric is improved, and the bleaching quality of the fabric is improved.
Drawings
FIG. 1 is a process flow diagram in the present application;
FIG. 2 is a perspective view of the present application;
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;
FIG. 4 is an enlarged schematic view of section B of FIG. 3;
FIG. 5 is a schematic structural view of the return flow mechanism of the present application with the filter frame and spacer plate exploded and the filter box side wall sectioned;
FIG. 6 is a schematic view of the spray apparatus and the extrusion apparatus of the present application;
FIG. 7 is an enlarged schematic view of section C of FIG. 3;
FIG. 8 is a schematic view of the dispensing apparatus of the present application, with the side walls of the dispensing chamber cut away;
fig. 9 is a schematic structural view of the heating apparatus of the present application, with a side wall of the heating chamber cut away.
Reference numerals: 1. a boiling-off pool; 11. a bleaching tank; 12. a first mounting plate; 13. a second mounting plate; 14. a first guide roller; 15. a second guide roller; 16. a cloth inlet hole; 17. a cloth outlet hole; 2. a filtration device; 21. a filter box; 211. a first space; 212. a second space; 22. a filter frame; 221. inserting the groove; 23. a filter pump; 24. a liquid outlet pipe; 25. a liquid inlet pipe; 26. a sliding hole; 27. positioning a plate; 3. a reflux mechanism; 31. a first separator; 32. a second separator; 33. a delivery pipe; 34. a reflux pump; 35. a return pipe; 36. a liquid outlet hole; 37. a backflow check valve; 4. a spraying device; 41. a spray box; 411. a brush plate; 412. a baffle plate; 42. a first guide roller; 421. a first spraying section; 422. a second spraying section; 423. a flow channel; 43. a second guide roller; 44. a spray plate; 441. a spray chamber; 442. spraying holes; 45. a flow guide channel; 451. round corners; 47. a cloth inlet; 48. a cloth outlet; 5. an extrusion device; 51. an extrusion cylinder; 52. a sliding block; 53. a squeeze roll; 6. a preparation device; 61. a detection tube; 62. a first pH detector; 63. preparing a box; 64. a second pH detector; 65. preparing a pump; 66. a control valve; 67. an addition pipe; 68. preparing a pipe; 69. preparing a one-way valve; 7. a stirring mechanism; 71. a stirring rod; 72. stirring blades; 73. a stirring motor; 8. a heating device; 81. a heating box; 82. an air inlet pipe; 83. a fan; 84. heating a tube; 85. a return air duct; 86. a temperature detector; 87. an air outlet pipe; 88. and an air outlet.
Detailed Description
The present application is described in further detail below with reference to figures 1-9.
The embodiment of the application discloses a rayon fabric pretreatment process.
The temperature detector 86 in this embodiment is model number WZP-187.
Referring to fig. 1 and 2, the rayon fabric pretreatment process includes S1, preparing a gray fabric; s2, singeing, wherein the fabric is singed through a singeing machine; s3, desizing, namely desizing the fabric through a desizing pool; s4, scouring, namely scouring the fabric through the scouring pool 1; s5: spraying, namely spraying the fabric through a spraying device 4 and removing impurities on the fabric; s6, bleaching, namely bleaching the fabric through a bleaching tank 11; and S7, mercerizing, and mercerizing the fabric through a mercerizing machine to obtain the product.
Referring to fig. 2 and 3, a scouring liquid for scouring fabrics is filled in the scouring pool 1, a bleaching liquid for bleaching fabrics is filled in the bleaching pool 11, the top ends of the scouring pool 1 and the bleaching pool 11 are both in an open shape, and a first mounting plate 12 and a second mounting plate 13 for blocking the openings are detachably mounted at the top ends of the scouring pool 1 and the bleaching pool 11 through screws respectively; a first guide roller 14 for guiding the fabric is rotatably arranged in the boiling pool 1, a second guide roller 15 for guiding the fabric is rotatably arranged in the bleaching pool 11, the first guide roller 14 and the second guide roller 15 are both in a horizontal state, the axes of the first guide roller and the second guide roller are parallel to each other, and two rows of the first guide roller 14 and the second guide roller 15 are vertically arranged at intervals.
Referring to fig. 2 and 4, the boiling pool 1 is provided with a filter device 2 for filtering the boiling liquid, and the filter device 2 includes a filter box 21, a filter frame 22, a filter pump 23, and a liquid outlet pipe 24.
Referring to fig. 3 and 4, two opposite side walls of the filter box 21 are fixedly connected with the opposite side walls of the scouring pond 1 and the bleaching pond 11; the outer side wall of the boiling-off pool 1 is fixedly provided with a liquid inlet pipe 25 above the filter box 21, one end of the liquid inlet pipe 25 far away from the boiling-off pool 1 is fixedly connected with the upper surface of the filter box 21, meanwhile, the liquid inlet pipe 25 is positioned below the liquid level of the boiling-off liquid in the boiling-off pool 1, and the liquid inlet pipe 25 is communicated with the boiling-off pool 1 and the filter box 21.
Referring to fig. 2 and 5, a sliding hole 26 is formed on the side wall of the filter box 21 adjacent to the scouring pool 1, the filter frame 22 is horizontally installed on the sliding hole 26 in a sliding manner, a positioning plate 27 abutting against the outer side wall of the filter box 21 is fixedly installed on the side wall of the filter frame 22, and through holes for the scouring liquid to pass through are uniformly formed in the inner bottom wall of the filter frame 22.
Referring to fig. 2 and 6, the filter pump 23 is fixedly installed on the lower surface of the filter tank 21 and the filter pump 23 communicates with the inside of the filter tank 21; the liquid outlet pipe 24 is fixedly arranged on the filter pump 23 and is communicated with the spraying device 4.
Referring to fig. 3 and 7, the spraying device 4 includes a spraying box 41, two first guide rollers 42 and second guide rollers 43, two spraying plates 44 and a flow guide channel 45, two opposite side walls of the spraying box 41 are fixedly connected to the opposite side walls of the scouring bath 1 and the bleaching bath 11, the spraying box 41 is located above the filtering box 21 and the liquid inlet pipe 25, the top end of the spraying box 41 is in an open state, and a baffle 412 for blocking the opening is detachably mounted at the top end of the spraying box 41 through screws.
Referring to fig. 3, a cloth inlet 47 communicated with the boiling-off tank 1 is formed on the side wall of the spraying box 41 close to the boiling-off tank 1, and a cloth outlet 48 communicated with the bleaching tank 11 is formed on the side wall of the spraying box 41 close to the bleaching tank 11; the side wall of the boiling-off pool 1 far away from the cloth inlet 47 is provided with a cloth inlet 16 for cloth to enter, and the side wall of the bleaching pool 11 far away from the cloth outlet 48 is provided with a cloth outlet 17 for cloth to output.
Referring to fig. 3 and 7, two first guide rollers 42 and two second guide rollers 43 are horizontally and rotatably installed on the inner side wall of the spraying box 41, the axes of the two first guide rollers 42, the second guide rollers 43 and the first guide roller 14 are parallel to each other and are used for guiding the fabric, the second guide roller 43 is located between the two first guide rollers 42 and below the first guide rollers 42, after the fabric is input into the spraying box 41 through the fabric inlet 47, the fabric sequentially bypasses the first guide rollers 42 and the second guide rollers 43 to form a first spraying section 421, the fabric bypasses the second guide rollers 43 and the other first guide rollers 42 to form a second spraying section 422, the first spraying section 421 and the second spraying section 422 are in an inclined state, and the fabric finally enters the bleaching treatment in the bleaching tank 11 from the fabric outlet 48.
Referring to fig. 3 and 7, two shower plates 44 are fixedly installed on the inner side wall of the shower box 41, and the two shower plates 44 are respectively located at the upper and lower sides of the fabric, wherein one shower plate 44 is located below the first shower section 421, and the other shower plate 44 is located above the second shower section 422, and the side walls of the two shower plates 44 close to the fabric side are respectively parallel to the first shower section 421 and the second shower section 422.
Referring to fig. 6 and 7, a spraying cavity 441 is formed inside the spraying plates 44, a plurality of spraying holes 442 close to the fabric are uniformly formed in the side walls of the two spraying plates 44 on the side close to the fabric, and meanwhile, one end of the liquid outlet pipe 24 far away from the filter pump 23 is fixedly connected with the side walls of the two spraying plates 44, and the liquid outlet pipe 24 is communicated with the spraying cavity 441.
Referring to fig. 3 and 7, one end of the diversion channel 45 is fixedly installed on the inner side wall of the spraying box 41, the diversion channel 45 is located above the second spraying section 422, meanwhile, a circular corner 451 abutting against the second spraying section 422 is formed on the side wall of the diversion channel 45 near one side of the second spraying section 422, the second spraying section 422 abuts against the circular corner 451, the second spraying section 422 and the diversion channel 45 cooperate to form a flow channel 423 for flowing the scouring liquid and impurities, and the scouring liquid and the impurities flow into the spraying box 41 under the guiding effect of the flow channel 423.
Referring to fig. 6 and 7, the scouring liquid is introduced into spray chamber 441 through outlet pipe 24, and then the scouring liquid is sprayed onto first spray stage 421 and second spray stage 422 through spray holes 442.
Referring to fig. 3 and 7, the scouring liquor and impurities on the first spraying section 421 drop down into the spraying box 41 by gravity, the scouring liquor and impurities on the second spraying section 422 drop down into the flow passage 423 by gravity, and finally the scouring liquor and impurities are guided to flow down into the spraying box 41 by the flow passage 423, thereby removing impurities from the fabrics.
Referring to fig. 3 and 7, a brush plate 411 is fixedly installed on the inner side wall of the spraying box 41 and between the spraying plate 44 and the first guide roller 42, the brush plate 411 is located below the first spraying section 421, and a plurality of bristles abutting against the first spraying section 421 are uniformly and fixedly installed on the side wall of the brush plate 411 close to one side of the first spraying section 421; a squeezing device 5 for squeezing out the scouring liquor in the fabric is arranged on the shower box 41 and at both first guide rolls 42.
Referring to fig. 3 and 6, the extrusion device 5 includes two extrusion cylinders 51, two sliding blocks 52 and two extrusion rollers 53, the extrusion cylinders 51 are fixedly mounted on the upper surface of the baffle plate 412, and the extrusion cylinders 51 are arranged at intervals along the axial direction of the first guide roller 42, and the piston rods of the extrusion cylinders 51 vertically penetrate through the baffle plate 412 and extend into the spray box 41; two sliding blocks 52 are arranged, the two sliding blocks 52 are fixedly arranged on the piston rods of the two extrusion cylinders 51 and are positioned above the first guide roller 42, and meanwhile, the sliding blocks 52 are positioned above the first guide roller 42; the pressing roller 53 is rotatably installed on the side wall of the opposite side of the two sliding blocks 52, and the pressing roller 53 and the first guide roller 42 are parallel in axis and cooperate to press the fabric.
Referring to fig. 3 and 5, the filtering apparatus 2 further includes a backflow mechanism 3, the backflow mechanism 3 being provided on the filtering tank 21 and configured to backflow the boiling liquid in the shower tank 41 into the boiling pool 1; the return mechanism 3 includes first and second partition plates 31 and 32, a delivery pipe 33, a return pump 34, and a return pipe 35.
Referring to fig. 4 and 5, the first partition plate 31 and the second partition plate 32 are fixedly installed on the inner side wall of the spraying box 41 at a vertical interval, and the first partition plate 31 and the second partition plate 32 are matched to divide the interior of the filtering box 21 into a first space 211 and a second space 212 which are independent of each other, and meanwhile, the projections of the first partition plate 31 and the second partition plate 32 in the vertical direction are overlapped; the sidewall of the filter frame 22 is provided with an insertion groove 221 for inserting the first partition plate 31, the first partition plate 31 is inserted into the insertion groove 221 and the lower surface of the first partition plate 31 abuts against the inner sidewall of the filter frame 22, the second partition plate 32 abuts against the lower surface of the filter frame 22, and the filter frame 22 under the first partition plate 31 is not provided with a through hole.
Referring to fig. 3 and 4, the first space 211 is located at a side of the first partition plate 31 adjacent to the boiling tank 1, and the liquid inlet pipe 25 and the filter pump 23 communicate with the second space 212.
Referring to fig. 3 and 5, one end of the delivery pipe 33 is fixedly connected to the lower surface of the shower box 41, and the other end of the delivery pipe 33 is fixedly connected to the upper surface of the filter box 21, and the delivery pipe 33 communicates with the shower box 41 and the first space 211; the return pump 34 is fixedly installed on the lower surface of the filter tank 21, and the return pump 34 communicates with the first space 211.
Referring to fig. 3 and 5, the return pipe 35 is fixedly installed on the return pump 34, and one end of the return pipe 35 far away from the return pump 34 horizontally extends into the boiling pool 1 and is in a sealed state, and meanwhile, a plurality of liquid outlet holes 36 are arranged on the upper surface of the return pipe 35 in the boiling pool 1 at intervals along the axis of the return pipe 35; a backflow check valve 37 is fixedly arranged on the backflow pipe 35 positioned outside the boiling pool 1, and the backflow check valve 37 ensures that the boiling liquid in the backflow pipe 35 can only enter the boiling pool 1.
Referring to fig. 2 and 5, the scouring liquor enters the second space 212 through the liquid inlet pipe 25, and the scouring liquor is filtered by the filter frame 22 and flows to the bottom of the second space 212 to be stored.
Referring to fig. 6, the filter pump 23 is activated so that the filtered scouring liquor sprays the textiles through the outlet pipe 24.
Referring to fig. 3 and 5, the sprayed scouring liquor and impurities enter the first space 211 through the conveying pipe 33, the scouring liquor and the impurities are filtered by the filter frame 22 and then flow to the bottom of the first space 211 to be stored, the reflux pump 34 is started, the filtered scouring liquor flows back into the scouring pool 1 through the reflux pipe 35 and the liquid outlet hole 36, and the scouring liquor output from the liquid outlet hole 36 moves upwards to push the impurities in the scouring pool 1 to turn upwards, so that more impurities enter the filter frame 22 to be filtered.
Referring to fig. 2 and 8, a preparation device 6 for preparing bleaching liquid is arranged on the bleaching tank 11, the preparation device 6 comprises a detection tube 61, a first PH detector 62, a preparation box 63, a second PH detector 64, a preparation pump 65 and a stirring mechanism 7, the detection tube 61 is fixedly installed on the outer side wall of the bleaching tank 11, the detection tube 61 is positioned below the liquid level of the bleaching liquid and is communicated with the interior of the bleaching tank 11, meanwhile, the detection tube 61 is in a horizontal state, and the bleaching liquid in the bleaching tank 11 enters the detection tube 61; the first PH detector 62 is fixedly arranged on the upper surface of the detection tube 61, and a detection element of the first PH detector 62 extends into the detection tube 61 and is contacted with the bleaching solution; a control valve 66 is fixedly arranged on the detection pipe 61 and on one side of the first PH detector 62 away from the bleaching tank 11.
Referring to fig. 2 and 8, the preparation box 63 is fixedly installed on the outer side wall of the bleaching tank 11 and is located below the detection tube 61, meanwhile, one end of the detection tube 61, which is far away from the bleaching tank 11, is fixedly connected with the upper surface of the preparation box 63, and the detection tube 61 is communicated with the interior of the preparation box 63; the second PH detector 64 is fixedly arranged on the upper surface of the preparation box 63, and a detection element of the second PH detector 64 extends into the preparation box 63 and is in contact with the bleaching liquid; an addition pipe 67 is fixedly installed on the upper surface of the preparation tank 63, and the addition pipe 67 is used for adding raw materials for preparing the bleaching solution into the preparation tank 63.
Referring to fig. 2 and 8, a preparation pump 65 is fixedly installed on the lower surface of the preparation tank 63 and above the bottom of the bleaching tank 11, a preparation pipe 68 is fixedly installed on the preparation pump 65, the preparation pipe 68 horizontally penetrates through the bleaching tank 11 below the preparation tank 63 and extends into the bleaching tank 11, and a preparation check valve 69 is fixedly installed on the preparation pipe 68, so that the bleaching liquid in the preparation pipe 68 can only enter the bleaching tank 11.
Referring to fig. 2 and 8, the stirring mechanism 7 is arranged on the preparation tank 63 and is used for stirring the bleaching liquid in the preparation tank 63, the stirring mechanism 7 comprises a stirring rod 71, stirring blades 72 and a stirring motor 73, the stirring rod 71 is horizontally and rotatably installed on the inner side wall of the preparation tank 63, and the stirring blades 72 are arranged on the stirring rod 71 and are circumferentially arrayed around the axis of the stirring rod 71; the stirring motor 73 is fixedly arranged on the outer side wall of the preparation box 63, and the output shaft of the stirring motor 73 is connected with the stirring rod 71.
Referring to fig. 2 and 8, the bleaching solution in the bleaching tank 11 enters the detection tube 61, the first PH detector 62 detects the bleaching solution, when the effective components of the bleaching solution are reduced to lower the PH of the bleaching solution below a specified value, the control valve 66 is opened, the bleaching solution enters the preparation tank 63 through the detection tube 61, and the control valve 66 is closed when the amount of the bleaching solution in the preparation tank 63 reaches a specified amount.
Referring to fig. 2 and 8, raw materials for preparing bleaching liquid are added into the preparation box 63 through the adding pipe 67, meanwhile, the stirring motor 73 is started to drive the stirring rod 71 to rotate, the stirring rod 71 rotates to drive the stirring blades 72 to rotate to stir and mix the bleaching liquid, the second PH detector 64 detects the PH value of the bleaching liquid in the preparation box 63, when the PH value of the bleaching liquid reaches a specified value, the raw materials are stopped to be added, the stirring blades 72 continue to stir and mix the bleaching liquid, then the preparation pump 65 is started, and the prepared bleaching liquid enters the bleaching tank 11 through the preparation pipe 68, so that the preparation of the bleaching liquid is realized, and the bleaching effect of the bleaching liquid on fabrics is improved.
Referring to fig. 2 and 9, a heating device 8 for heating bleaching liquid is arranged on the bleaching tank 11, the heating device 8 includes a heating box 81, an air inlet pipe 82, a blower 83, a heating pipe 84, an air return pipe 85 and a temperature detector 86, the heating box 81 is fixedly mounted on an outer side wall of the bleaching tank 11 far from the detection pipe 61, and the heating box 81 is located above the liquid level of the bleaching liquid in the bleaching tank 11.
Referring to fig. 2 and 9, a mounting hole is formed in a side wall of the heating box 81 on the side away from the bleaching tank 11, one end of the air inlet pipe 82 is fixedly mounted on an outer side wall of the heating box 81 on the side close to the bleaching tank 11, one end of the air inlet pipe 82 far away from the heating box 81 vertically extends downwards to the lower side of the heating box 81 and is integrally provided with an air outlet pipe 87, and meanwhile, the air inlet pipe 82 is communicated with the inside of the heating box 81; the air outlet pipe 87 horizontally penetrates through the outer side wall of the bleaching tank 11 and extends into the bleaching liquid in the bleaching tank 11, the air outlet pipe 87 is positioned below the second guide roller 15, and meanwhile, a plurality of vertical upward air outlet holes 88 are formed in the upper surface of the air outlet pipe 87 in an array mode along the axis of the air outlet pipe 87.
Referring to fig. 2 and 9, the fan 83 is fixedly installed on the outer side wall of the heating box 81 where the installation hole is opened, the fan 83 blocks the installation hole and the air outlet faces the inside of the heating box 81, the heating pipe 84 is fixedly installed on the inner side wall of the heating box 81, and the heating pipe 84 is used for heating air entering the heating box 81.
Referring to fig. 2 and 9, one end of the return air pipe 85 is fixedly installed on the upper surface of the second installation plate 13, and one end of the return air pipe 85 away from the second installation plate 13 is fixedly connected with the upper surface of the heating box 81 between the blower 83 and the heating pipe 84, and meanwhile, the return air pipe 85 is communicated with the inside of the heating box 81; the temperature detector 86 is fixedly installed on the inner side wall of the bleaching tank 11, the temperature detector 86 is used for detecting the temperature of bleaching liquid in the bleaching tank 11, meanwhile, a control board for controlling the heating pipe 84 to be started and stopped is fixedly installed on the bleaching tank 11, and the control board is electrically connected with the temperature detector 86.
The working principle of the embodiment of the application is as follows:
the preparation of the gray cloth is firstly carried out, then singeing and desizing are carried out, then the fabric enters the scouring pool 1 through the fabric inlet 16, the fabric sequentially bypasses a plurality of first guide rollers 14 for scouring treatment, the scoured fabric enters the spraying box 41 from the fabric inlet 47, the fabric bypasses the first guide roller 42, the second guide roller 43 and the other first guide roller 42 and then enters the bleaching pool 11 from the fabric outlet 48, the fabric sequentially bypasses a plurality of second guide rollers 15 for bleaching treatment, the bleached fabric is output from the fabric outlet 17, and then the fabric is moved to a mercerizing machine for mercerizing treatment to obtain the product.
Impurities in the boiling-off pool 1 and the boiling-off liquid enter the second space 212 together, the filter frame 22 filters the impurities, the boiling-off liquid flows into the bottom of the second space 212 to be stored, the filter pump 23 is started to enable the boiling-off liquid to be sprayed on two surfaces of the fabrics through the spraying holes 442 of the two spraying plates 44, the impurities and the boiling-off liquid on the fabrics flow into the spraying box 41, then the impurities and the boiling-off liquid enter the first space 211 through the conveying pipe 33, then the filter frame 22 filters the impurities, then the boiling-off liquid flows to the bottom of the first space 211 to be stored, the reflux pump 34 is started to enable the boiling-off liquid to enter the boiling-off pool 1 through the reflux pipe 35, the boiling-off liquid moves upwards to push the impurities to turn upwards, so that more impurities enter the filter frame 22 to be filtered, the boiling-off liquid is filtered and the fabrics are sprayed, and the boiling-off liquid on the fabrics is improved in the boiling-off quality of the fabrics, the adverse effect of impurities on bleaching during the bleaching of the fabric is also reduced, and the bleaching quality of the fabric is improved.
The squeezing cylinder 51 is started to drive the squeezing roller 53 and the first guide roller 42 to squeeze the fabric in a matching manner, so that part of impurities flow into the spraying box 41 along with scouring liquid, the waste of the scouring liquid is reduced, the adverse effect of the scouring liquid in the fabric on bleaching is reduced, and the bleaching quality of the fabric is improved.
The first PH detector 62 detects the PH value of bleaching liquid in the detection tube 61, when the PH value is lower than a specified value, the control valve 66 is opened, bleaching liquid enters the preparation box 63 through the detection tube 61, then the control valve 66 is closed, raw materials for preparing bleaching liquid are added into the preparation box 63 through the adding tube 67, meanwhile, the stirring motor 73 is started to drive the stirring blades 72 to rotate to stir for preparing bleaching liquid, the second PH detector 64 detects the PH value of bleaching liquid in the preparation box 63, when the PH value reaches the specified value, the raw materials are stopped to be added, after the preparation is completed, the preparation pump 65 is started, bleaching liquid enters the bleaching pool 11 through the preparation tube 68, the bleaching effect of the bleaching pool 11 on fabrics is improved, and the quality of the fabrics is improved.
The fan 83 is started to enable air to enter the heating box 81, the heating pipe 84 heats the air in the heating box 81, the hot air is output through the air outlet 88 to heat bleaching liquid, the hot air is moved back into the heating box 81 through the air return pipe 85 to be continuously recycled, the temperature detector 86 detects the temperature of the bleaching liquid, and when the temperature reaches a specified value, the temperature detector 86 controls the heating pipe 84 to stop heating, so that the bleaching liquid is at a proper temperature, and the bleaching quality of the fabric is improved; and the blower 83 is continuously started, and the air stirs the bleaching solution through the air outlet 88, so that the probability of precipitation of effective components in the bleaching solution is reduced, the bleaching quality of the fabric is improved, and the quality of the fabric is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A rayon fabric pretreatment process comprises the following steps:
s1, preparing grey cloth;
s2, singeing;
s3, desizing;
s4, scouring, namely scouring the fabric through the scouring pool (1);
s6, bleaching, namely bleaching the fabric through a bleaching tank (11);
s7, mercerizing;
the method is characterized in that: s5 is arranged between the S4 and the S6: and spraying, namely spraying the fabric through a spraying device (4) and removing impurities on the fabric.
2. The rayon fabric pretreatment process according to claim 1, characterized in that: the boiling-off pool (1) is provided with a filtering device (2) for filtering boiling-off liquid, and the filtering device (2) comprises;
the filter box (21) is arranged on the boiling-off pool (1), is communicated with the boiling-off pool (1) through a liquid inlet pipe (25) and is provided with a sliding hole (26);
the filter frame (22), the filter frame (22) is slidably mounted on the sliding hole (26) and is used for filtering the scouring liquid entering the filter box (21), and a positioning plate (27) abutting against the filter box (21) is arranged on the filter frame (22);
the filter pump (23) is arranged on the filter tank (21) and communicated with the interior of the filter tank (21);
the liquid outlet pipe (24) is arranged on the filter pump (23) and communicated with the spraying device (4);
and the backflow mechanism (3) is arranged on the filter box (21) and is used for refluxing the boiling liquid sprayed by the spraying device (4) into the boiling pool (1).
3. The rayon fabric pretreatment process according to claim 2, characterized in that: the spraying device (4) comprises;
the spraying box (41) is arranged on the scouring pool (1), the fabric is scoured and then moves into the bleaching pool (11) through the spraying box (41), and the spraying box (41) is positioned above the filter box (21);
the device comprises two first guide rollers (42) and two second guide rollers (43), wherein the two first guide rollers (42) and the two second guide rollers (43) are rotatably arranged in a spraying box (41), the second guide roller (43) is positioned between the two first guide rollers (42) and below the first guide rollers (42), and the fabric is in an inclined state when bypassing the first guide rollers (42) and the second guide rollers (43);
the two spraying plates (44) are arranged on the inner side wall of the spraying box (41) and are respectively positioned between the two first guide rollers (42) and the second guide rollers (43), the two spraying plates (44) are positioned on two sides of the fabric, the side wall of one side, close to the fabric, of each spraying plate (44) is parallel to the fabric, and a plurality of spraying holes (442) which are communicated with the liquid outlet pipe (24) and face the fabric are uniformly formed in the side wall of one side, close to the fabric, of each spraying plate (44);
flow guide channel (45), flow guide channel (45) set up on spraying case (41) inside wall and lie in the fabric and be close to first guide roll (42) one side, flow guide channel (45) catch boiling-off liquid and impurity that drop on the fabric and the water conservancy diversion sprays in case (41).
4. The rayon fabric pretreatment process according to claim 3, characterized in that: the backflow mechanism (3) comprises;
the filter box comprises a first partition plate (31) and a second partition plate (32), wherein the first partition plate (31) and the second partition plate (32) are arranged in the filter box (21) at an upper-lower interval and divide the filter box (21) into a first space (211) and a second space (212) which are mutually independent, the first partition plate (31) abuts against the inner bottom wall of the filter frame (22), the second partition plate (32) abuts against the lower surface of the filter frame (22), an insertion groove (221) which is in insertion fit with the first partition plate (31) is formed in the side wall of the filter frame (22), and the liquid inlet pipe (25) and the filter pump (23) are communicated with the second space (212);
a delivery pipe (33), the delivery pipe (33) being provided on a lower surface of the shower box (41) and communicating with the first space (211);
a return pump (34), the return pump (34) being provided on the filter tank (21) and communicating with the first space (211);
the backflow pipe (35), the backflow pipe (35) set up on backwash pump (34) and be located feed liquor pipe (25) below and extend to in the boiling-off pond (1), be provided with on backflow pipe (35) and make the boiling-off liquid can only get into backflow check valve (37) in the boiling-off pond (1) in the backflow pipe (35).
5. The rayon fabric pretreatment process according to claim 3, characterized in that: squeezing devices (5) used for squeezing out scouring liquid in the fabrics are arranged on the spraying box (41) and at the two first guide rollers (42), and each squeezing device (5) comprises;
the extrusion air cylinder (51), the said extrusion air cylinder (51) is set up on the spray box (41);
the sliding block (52) is arranged on a piston rod of the extrusion cylinder (51) and positioned above the first guide roller (42);
and the squeezing roller (53) is rotatably arranged on the sliding block (52) and is matched with the first guide roller (42) to squeeze the fabric.
6. The rayon fabric pretreatment process according to claim 3, characterized in that: a brush plate (411) is arranged on the spraying box (41) and between the first guide roller (42) and the second guide roller (43), and bristles abutted to fabric are arranged on the brush plate (411).
7. The rayon fabric pretreatment process according to claim 1, characterized in that: a preparation device (6) for preparing bleaching liquid is arranged on the bleaching tank (11), and the preparation device (6) comprises;
a detection tube (61), wherein the detection tube (61) is arranged on the bleaching tank (11) and bleaching liquid enters the detection tube (61);
the first PH detector (62) is arranged on the detection pipe (61) and used for detecting the PH value of bleaching liquid in the detection pipe (61), and a control valve (66) is arranged on the detection pipe (61) and positioned on one side, away from the bleaching tank (11), of the first PH detector (62);
the preparation box (63) is arranged on the bleaching tank (11), is communicated with the detection pipe (61) and is used for preparing bleaching liquid, and an adding pipe (67) for adding and preparing bleaching liquid raw materials is arranged on the preparation box (63);
the second PH detector (64) is arranged on the preparation box (63) and is used for detecting the PH value of the bleaching liquid in the preparation box (63);
the preparation pump (65), the preparation pump (65) is arranged on the preparation box (63) and is communicated with the interior of the preparation box (63), the preparation pump (65) is provided with a preparation pipe (68) communicated with the bleaching pool (11) below the detection pipe (61), and the preparation pipe (68) is provided with a preparation one-way valve (69) which enables bleaching liquid in the preparation pipe (68) to only enter the bleaching pool (11);
and the stirring mechanism (7) is arranged on the preparation box (63) and is used for stirring the bleaching liquid.
8. The rayon fabric pretreatment process according to claim 7, characterized in that: the stirring mechanism (7) comprises;
the stirring rod (71), the stirring rod (71) is rotatably arranged on the preparation box (63);
the stirring blade (72) is arranged on the stirring rod (71);
the stirring motor (73), stirring motor (73) set up on preparing case (63) and be connected with puddler (71).
9. The rayon fabric pretreatment process according to claim 1, characterized in that: the bleaching tank (11) is provided with a heating device (8) for heating bleaching liquid, and the heating device (8) comprises;
the heating box (81), the heating box (81) is arranged on the bleaching pool (11);
the air inlet pipe (82) is arranged on the heating box (81), extends into bleaching liquid in the bleaching tank (11) and is provided with a plurality of vertically upward air outlet holes (88);
a fan (83), wherein the fan (83) is arranged on the heating box (81) and enables air to enter the air inlet pipe (82);
the heating pipe (84) is arranged in the heating box (81) and is used for heating air entering the heating box (81);
the air return pipe (85) is arranged on the bleaching tank (11) and communicated with the heating box (81) positioned between the fan (83) and the heating pipe (84);
and the temperature detector (86) is arranged on the bleaching tank (11), is used for detecting the temperature of the bleaching liquid and is electrically connected with the heating pipe (84).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978628.9A CN113718442B (en) | 2021-08-25 | 2021-08-25 | Rayon fabric pretreatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978628.9A CN113718442B (en) | 2021-08-25 | 2021-08-25 | Rayon fabric pretreatment process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113718442A true CN113718442A (en) | 2021-11-30 |
| CN113718442B CN113718442B (en) | 2022-06-03 |
Family
ID=78677727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110978628.9A Active CN113718442B (en) | 2021-08-25 | 2021-08-25 | Rayon fabric pretreatment process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113718442B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0593104A1 (en) * | 1992-10-16 | 1994-04-20 | Crellin, Inc. | Improved dye spring |
| JP2009091706A (en) * | 2007-10-12 | 2009-04-30 | Japan Vilene Co Ltd | Apparatus and method for treatment with liquid |
| DE202014104532U1 (en) * | 2014-09-23 | 2014-10-07 | Chi-Lung Chang | Dyeing machine for fabrics with roller conveyor |
| CN106120202A (en) * | 2016-08-09 | 2016-11-16 | 浙江富润纺织有限公司 | Device is cleaned in the slub dyeing of a kind of high-grade wool worsted fabric |
| CN110205759A (en) * | 2019-04-26 | 2019-09-06 | 山东源丰纺织机械有限公司 | Case is boiled in the leaching of fabric linear temperature increase |
| CN110512384A (en) * | 2019-08-05 | 2019-11-29 | 绍兴海通印染有限公司 | A kind of woven people's cotton dyeing technique |
| CN111364232A (en) * | 2020-03-27 | 2020-07-03 | 石狮市致高纺织实业有限公司 | Antibacterial and mildewproof cotton fabric and preparation process thereof |
| CN211446220U (en) * | 2020-01-08 | 2020-09-08 | 绍兴布泰纺织印染有限公司 | Boiling-off mechanism of desizing, boiling and bleaching combination machine |
| CN111764074A (en) * | 2020-07-07 | 2020-10-13 | 浙江屹男印染有限公司 | Desizing, boiling and bleaching combination machine |
-
2021
- 2021-08-25 CN CN202110978628.9A patent/CN113718442B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0593104A1 (en) * | 1992-10-16 | 1994-04-20 | Crellin, Inc. | Improved dye spring |
| JP2009091706A (en) * | 2007-10-12 | 2009-04-30 | Japan Vilene Co Ltd | Apparatus and method for treatment with liquid |
| DE202014104532U1 (en) * | 2014-09-23 | 2014-10-07 | Chi-Lung Chang | Dyeing machine for fabrics with roller conveyor |
| CN106120202A (en) * | 2016-08-09 | 2016-11-16 | 浙江富润纺织有限公司 | Device is cleaned in the slub dyeing of a kind of high-grade wool worsted fabric |
| CN110205759A (en) * | 2019-04-26 | 2019-09-06 | 山东源丰纺织机械有限公司 | Case is boiled in the leaching of fabric linear temperature increase |
| CN110512384A (en) * | 2019-08-05 | 2019-11-29 | 绍兴海通印染有限公司 | A kind of woven people's cotton dyeing technique |
| CN211446220U (en) * | 2020-01-08 | 2020-09-08 | 绍兴布泰纺织印染有限公司 | Boiling-off mechanism of desizing, boiling and bleaching combination machine |
| CN111364232A (en) * | 2020-03-27 | 2020-07-03 | 石狮市致高纺织实业有限公司 | Antibacterial and mildewproof cotton fabric and preparation process thereof |
| CN111764074A (en) * | 2020-07-07 | 2020-10-13 | 浙江屹男印染有限公司 | Desizing, boiling and bleaching combination machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113718442B (en) | 2022-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111764074B (en) | Move back to boil and float combination machine | |
| CN211814935U (en) | Rinsing machine | |
| CN114875600B (en) | Environment-friendly soaping-free active dyeing and finishing system and process for dyeing and finishing Roman cloth | |
| CN113718442B (en) | Rayon fabric pretreatment process | |
| CN111254613B (en) | Dyeing equipment for filament elastic cloth and production process thereof | |
| CN110840312B (en) | Antibacterial and antivirus super-soft floor wet tissue and preparation method thereof | |
| CN210561202U (en) | Washing device for textile printing and dyeing | |
| CN112626751A (en) | Blanket preparation equipment and preparation process | |
| CN218372813U (en) | Washing and disinfecting equipment for medical textile | |
| CN211645672U (en) | Continuous washing device for rayon knitted fabric | |
| CN213507558U (en) | Dyeing machine for clothing production | |
| CN212688436U (en) | Water circulation treatment device for textiles | |
| CN113882104A (en) | Cloth dyeing process | |
| DE2903125A1 (en) | DEVICE FOR CONTINUOUS WET TREATMENT OF LIQUID-TRANSFERABLE TEXTILE MATERIAL OR THE LIKE. | |
| CN113493968A (en) | Desizing, boiling and bleaching combination machine | |
| CN216998874U (en) | Scutching and squeezing processing mechanism for processing pongee fabric | |
| CN217052671U (en) | Cleaning mechanism for spinning equipment | |
| CN220034937U (en) | Belt cleaning device is used in fabrics production | |
| CN216304165U (en) | Wash gauze washing and float and dye device | |
| CN215593435U (en) | Cleaning device of rope-shaped rinsing machine | |
| CN213389283U (en) | Continuous open-width dyeing equipment | |
| CN212895417U (en) | Cloth cleaning and bleaching machine | |
| CN109680432A (en) | A kind of high temperature dyeing machine with the anti-dyeing defect function of cloth | |
| CN219364027U (en) | Cloth belt cleaning device | |
| CN219603909U (en) | Knitted sweater washing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |