CN112878030A - Production process and production equipment for artificial silk floss hemp product cloth - Google Patents
Production process and production equipment for artificial silk floss hemp product cloth Download PDFInfo
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- CN112878030A CN112878030A CN202110062065.9A CN202110062065A CN112878030A CN 112878030 A CN112878030 A CN 112878030A CN 202110062065 A CN202110062065 A CN 202110062065A CN 112878030 A CN112878030 A CN 112878030A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
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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
- D06B21/00—Successive treatments of textile materials by liquids, gases or vapours
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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, 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
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/60—Optical bleaching or brightening
- D06L4/657—Optical bleaching or brightening combined with other treatments, e.g. finishing, bleaching, softening, dyeing or pigment printing
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/70—Multi-step processes
- D06L4/75—Multi-step processes combined with cleaning or washing
Abstract
The application relates to the field of printing and dyeing processes, and particularly discloses a production process and production equipment for artificial silk floss hemp product cloth. The production process comprises the following steps: s1: leveling; s2: oxygen bleaching: preparing an oxygen bleaching agent, and continuously passing the cloth through the oxygen bleaching agent; s3: washing with water; s4: dyeing; the oxygen bleaching agent comprises water, liquid alkali with the concentration of 3-5g/L, soda ash with the concentration of 1-2g/L, hydrogen peroxide with the concentration of 3-10g/L, a refining agent with the concentration of 2-3g/L, a stabilizing agent with the concentration of 1-2g/L and a chelating agent with the concentration of 0.5-1 g/L. The production process has the advantages of small batch-to-batch material distribution difference, high stability and reduction of water resource usage.
Description
Technical Field
The application relates to the field of printing and dyeing processes, in particular to a production process and production equipment for rayon cotton linen product cloth.
Background
Rayon is a silk-like artificial fiber, which is composed of cellulose, a main component of plants, and has the same properties as cotton and flax fibers; cotton and hemp are natural fibers extracted from plants.
Before dyeing rayon and cotton and linen, cottonseed hulls in the fabric need to be removed, so that the flatness of the fabric is improved, and the subsequent dyeing effect is ensured. The removal of the cottonseed hulls is now mainly carried out by using an oxygen bleaching process. In the related art, for the fabric with a flat style, generally, the fabric is sequentially flattened, bleached (rolled), washed and dyed; for the micro-wrinkle style cloth, the cloth is generally subjected to leveling, oxygen bleaching (flat cylinder or overflow), water washing and then dyeing in sequence.
The oxygen bleaching operation is as follows: a batch of cloth is thermally bleached corresponding to a cylinder of oxygen bleaching agent, and after the thermal bleaching is finished, the oxygen bleaching liquid is emptied and water is added for washing; and after the water washing is finished, adding a new cylinder of oxygen bleaching agent when carrying out oxygen bleaching on the next batch of cloth. The oxygen bleaching agent consists of water, liquid caustic soda, soda ash, hydrogen peroxide, a refining agent and a stabilizing agent; when the fabric is washed by water, 1600kg of water is needed for every 1000m of the fabric with the flat style, and 8t of water is needed for every 1000m of the fabric with the micro-wrinkle style.
In the related technology, the thermal bleaching among each batch of cloth is intermittent production, and the environment and the processing parameters during the thermal bleaching have difference; the oxygen bleaching effect can directly influence the subsequent dyeing, the color difference of the cloth is caused, and the difference of the cloth in batches is large.
Disclosure of Invention
In order to reduce the difference of colors among cloth materials of each batch, the application provides a production process and production equipment of artificial silk floss hemp product cloth materials.
In a first aspect, the present application provides the following technical solutions: a production process of artificial silk floss bast fiber product cloth comprises the following steps:
s1: leveling;
s2: oxygen bleaching: preparing an oxygen bleaching agent, and continuously passing the cloth through the oxygen bleaching agent;
s3: washing with water;
s4: dyeing;
the oxygen bleaching agent comprises water, liquid alkali with the concentration of 3-5g/L, soda ash with the concentration of 1-2g/L, hydrogen peroxide with the concentration of 3-10g/L, a refining agent with the concentration of 2-3g/L, a stabilizing agent with the concentration of 1-2g/L and a chelating agent with the concentration of 0.5-1 g/L; the mass concentration of the hydrogen peroxide in the hydrogen peroxide is 20-50%.
Through adopting above-mentioned technical scheme, the cloth is when carrying out the oxygen and float, can be the continuation carry out the oxygen and float that the agent is the same configuration of wholesale, and the effect uniformity that the oxygen floated is stable, realizes the oxygen of continuation and floats processing, and the oxygen of different batches of cloth floats the process difference little. Compared with the process that each batch needs to be independently subjected to oxygen bleaching in the prior art, the scheme has the advantages that the difference between the batches is small, the dyed cloth has small difference, and the product stability is high. In addition, the situation that holes are generated after the hemp-containing products are subjected to oxygen bleaching can be greatly reduced.
Further, the oxygen bleaching temperature of the step S2 is 15-25 ℃.
Through adopting above-mentioned technical scheme, carry out the oxygen at normal atmospheric temperature and float, can know from the experiment, reach fine oxygen equally and float the effect, compare with prior art, reduced the use of heat energy, simultaneously reduced the difference between batch greatly again, when improving cloth color stability, reduce the cost input.
Further, the oxygen bleaching time in the step S2 is 22-25h, and the cloth bleaching agent speed is 60-80 m/min.
By adopting the technical scheme, under the condition of normal-temperature oxygen bleaching, the oxygen bleaching time is prolonged, and experiments show that the oxygen bleaching effect can be achieved, and the situation that the hemp-containing product generates broken holes after oxygen bleaching is further reduced.
Further, the concentration of each component in the oxygen bleaching agent is as follows: 3.5g/L of liquid caustic soda, 2g/L of soda ash, 10g/L of hydrogen peroxide, 2g/L of refining agent, 1.5g/L of stabilizing agent and 1g/L of chelating agent.
By adopting the technical scheme, experiments show that oxygen bleaching can be completed under the condition of controlling cost, and broken holes of hemp-containing products are reduced.
Further, the oxygen bleaching and the water washing are respectively carried out in different containers.
Through adopting above-mentioned technical scheme, separate oxygen and rinse the step, can guarantee on the one hand that oxygen floats continuation going on, get into the washing step immediately, on the other hand can reduce the waste that oxygen bleaches the liquid.
Further, in step S3, the water moves from the discharging direction of the cloth to the feeding direction of the cloth.
By adopting the technical scheme, in the washing process of the cloth, the water is cleaner when the direction close to the discharging direction is reached, namely the later washing stage, and the water used for the cloth close to the discharging direction is used when the direction close to the feeding direction of the cloth is reached, namely the initial washing stage; when reaching the washing effect, can be with water make full use of, a large amount of water economy resources and cost.
In a second aspect, the present application provides the following technical solutions: production equipment for artificial silk floss hemp product cloth adopts the production process as claimed in any one of claims 1 to 6, and comprises a bottom plate and a coaming which are obliquely arranged, wherein the bottom plate and the coaming form a groove body with an opening at the upper end, and the bottom plate inclines towards the direction far away from the opening of the groove body from one end close to the cloth discharging to one end close to the cloth feeding; water enters from the direction close to the cloth discharging direction and exits from the direction close to the cloth feeding direction.
Through adopting above-mentioned technical scheme, water gets into from a high department of bottom plate, flows to the direction of bottom plate slope, and wherein when removing the washing of cloth, from dirty water entering clear water gradually, accomplish whole washing process, make full use of water resource reduces the extravagant assurance washing effect of cost.
Furthermore, a water inlet pipe is arranged on the enclosing plate close to the cloth discharging direction, a water outlet pipe is arranged on the enclosing plate close to the cloth feeding direction, and the water outlet pipe is positioned at one end, close to the bottom plate, of the enclosing plate.
Through adopting above-mentioned technical scheme, add the clear water and discharge sewage through the outlet pipe through the inlet tube, because sewage sinks the end easily, set up the outlet pipe in the position that is close to the bottom plate, do benefit to the discharge of sewage.
In summary, the present application has the following beneficial effects:
1. because this application adopts the cloth to pass through oxygen continuously and floats the agent, the oxygen of present continuation floats the processing, and the oxygen of different batches of cloth floats the process difference little, can also reduce greatly and contain the condition that the hemp product produces the broken hole after oxygen floats.
2. Because this application adopts normal atmospheric temperature oxygen to float, cooperates oxygen to float agent and oxygen and floats the time, has reduced the use of heat energy, has reduced the difference between batch simultaneously again greatly, when improving cloth color stability, reduces the cost input.
3. Because this application adopts oxygen to float and wash respectively go on in the container of difference, can guarantee on the one hand that oxygen floats when continuation goes on, gets into the washing step immediately, on the other hand can reduce the waste that oxygen floated the liquid.
4. Because this application adopts in the washing step, when reaching the washing effect, can be with water make full use of, a large amount of water economy resources and cost.
Drawings
FIG. 1 is a cross-sectional view of a production facility of the present application.
Reference numerals: 1. a base plate; 2. enclosing plates; 3. a trough body; 4. a water inlet pipe; 5. and (5) discharging a water pipe.
Detailed Description
Examples
Example 1: a production process of artificial silk floss bast fiber product cloth comprises the following steps:
s1: leveling: passing the cloth through a cloth leveling machine at a speed of 45m/min, and having three rinsing baths at 40 ℃, 80 ℃ and 60 ℃ in sequence to obtain leveled cloth;
s2: oxygen bleaching: adding an oxygen bleaching agent into an oxygen bleaching tank, heating the oxygen bleaching agent to 40 ℃, keeping the temperature, continuously introducing the oxygen bleaching agent into the cloth at the speed of 40m/min, and continuously carrying out oxygen bleaching for 24 hours per 1000m of the cloth; when the oxygen bleaching is carried out, the oxygen bleaching agent is continuously added into the oxygen bleaching cylinder. Preparation of the oxygen bleaching agent: putting the components into a stirring kettle, and stirring at a stirring speed of 30r/min for 3min until the solution is uniform;
s3: washing with water: washing the cloth subjected to oxygen bleaching twice by a washing tank; primary water washing operation: discharging materials from the discharging roller, feeding the materials into a washing tank, rolling the materials to a collecting roller after passing through the washing tank, discharging the materials from the collecting roller, rolling the materials to the discharging roller after passing through the washing tank, and returning once, wherein before washing each time, dirty water in the washing tank needs to be poured out, and 800kg of clean water is added; the cloth water passing speed is 40 m/min; washing cloth with width of 145cm per 1000m with water corresponding to 800 kg;
s4: dyeing: and (3) feeding the washed cloth into a cylinder dryer, drying at the temperature of 130 ℃ and at the speed of 40m/min, and then feeding the cloth into a dyeing machine for dyeing.
The oxygen bleach components and the corresponding masses are shown in table 1.
Example 2: the difference between the production process of the rayon cotton bast fiber product cloth and the example 1 is that: s2: oxygen bleaching: the heating temperature of the oxygen bleaching agent is 50 ℃, and the speed of the cloth passing through the oxygen bleaching agent is 90 m/min; the oxygen bleaching agent components and the corresponding mass are shown in table 1; oxygen bleaching is continuously carried out for 22h every 1000m of cloth.
Example 3: the difference between the production process of the rayon cotton bast fiber product cloth and the example 1 is that: s2: oxygen bleaching: the heating temperature of the oxygen bleaching agent is 30 ℃, and the speed of cloth passing through the oxygen bleaching agent is 50 m/min; the oxygen bleach components and the corresponding masses are shown in table 1.
TABLE 1 oxygen bleach component and corresponding mass (kg) in examples 1-3
Example 4: a process for producing a rayon bast fiber product cloth, which is different from the process of example 3 in that: s2: oxygen bleaching: the heating temperature of the oxygen bleaching agent is 15 ℃.
Example 5: a process for producing a rayon bast fiber product cloth, which is different from the process of example 3 in that: s2: oxygen bleaching: the heating temperature of the oxygen bleaching agent is 25 ℃.
Example 6: a process for producing a rayon bast fiber product cloth, which is different from that of example 5 in that: the speed of cloth passing through the oxygen bleaching agent is 80 m/min.
Example 7: a process for producing a rayon bast fiber product cloth, which is different from that of example 5 in that: the speed of the cloth passing through the oxygen bleaching agent is 70 m/min.
Example 8: a process for producing a rayon bast fiber product cloth, which is different from that of example 5 in that: the speed of cloth passing through the oxygen bleaching agent is 60 m/min.
Example 9: the difference between the production process of the rayon cotton bast fiber product cloth and the example 1 is that: after the step S2 of oxygen bleaching, the oxygen bleaching agent in the oxygen bleaching tank is poured out, and clean water is added to be used as the rinsing bath in the step S3.
Example 10: the difference between the production process of the rayon cotton bast fiber product cloth and the example 1 is that: in step S3, adding clean water over the cloth into the washing tank during each washing, and continuously adding clean water into the washing tank to ensure that the water level is unchanged until the washing is finished; when the clean water is continuously added, the clean water is added from one end close to the material distribution discharge, and the sewage is discharged from one end close to the material distribution feed.
Example 11: the difference between the production process of the rayon cotton bast fiber product cloth and the example 1 is that: the wash tank was constructed as in example 13.
Example 12: a process for producing a rayon bast fiber product cloth, which is different from that of example 8 in that: the wash tank was constructed as in example 13.
Example 13: the utility model provides a production facility of artificial silk floss class product cloth, includes cell body 3, as shown in figure 1, cell body 3 includes a bottom plate 1 and vertically is fixed in four bounding walls 2 on the bottom plate 1, and four bounding walls 2 and a bottom plate 1 constitute the cell body 3 that the opening is up, and cell body 3 has set gradually 9, and water flows to the cell body 3 that is close to the feed end from the cell body 3 that is close to the discharge end. The two oppositely arranged bottom plates 1 of each groove body 3 are also rotatably connected with a plurality of conveying rollers, and the conveying rollers immerse the cloth into clean water while conveying the cloth.
Bottom plate 1 is close to the one end of the cloth ejection of compact to the one end of being close to the cloth feeding, and the downward sloping sets up, and the transfer roller is installed on the bounding wall 2 of bottom plate 1 both sides. The two enclosing plates 2 at the two ends of the bottom plate 1 are respectively communicated with a water inlet pipe 4 and a water outlet pipe 5, the water inlet pipe 4 is communicated with the enclosing plate 2 fixed at the highest position of the bottom plate 1, and the water outlet pipe 5 is communicated with the enclosing plate 2 fixed at the lowest position of the bottom plate 1; and the water inlet pipe 4 is communicated with the upper end of the corresponding enclosing plate 2, and the water outlet pipe 5 is communicated with the bottom of the corresponding enclosing plate 2.
Before the water washing step begins, the water outlet pipe 5 is closed, and clean water is added into the trough body 3 through the water inlet pipe 4 until the clean water submerges the row of conveying rollers close to the bottom plate 1. The cloth is conveyed to a rinsing bath for rinsing, clear water is continuously introduced into the water inlet pipe 4 of the tank body 3 close to the discharge end, and the water outlet pipe 5 is opened to discharge the sewage into the next tank body 3. The water inlet pipe 4 and the water outlet pipe 5 have the same water passing amount in unit time.
In the above examples, the hydrogen peroxide concentration in hydrogen peroxide was 27% by mass, the refining agent was purchased from M-1011 of Hangzhou Meigao Hua Yihua chemical Co., Ltd, the stabilizer was purchased from ZOKC of Hangzhou Meigao Hua chemical Co., Ltd, and the chelating agent was purchased from M-1075 of Hangzhou Meigao Hua Yihua chemical Co., Ltd.
Comparative example
Comparative example 1: a production process of artificial silk floss bast fiber product cloth comprises the following steps:
s1: leveling: passing the cloth through a cloth leveling machine at a speed of 45m/min, and having three rinsing baths at 40 ℃, 80 ℃ and 60 ℃ in sequence to obtain leveled cloth;
s2: oxygen bleaching: adding the oxygen bleaching agent into an oxygen bleaching tank, heating the oxygen bleaching agent to 95 ℃, keeping the temperature, and continuously passing the cloth through the oxygen bleaching agent at the speed of 80m/min for 2 hours. Preparation of the oxygen bleaching agent: putting the components into a stirring kettle, and stirring at a stirring speed of 30r/min for 3min until the solution is uniform; the oxygen bleaching agent used correspondingly for cloth with the width of 145cm and the width of 1000m comprises the following components in percentage by weight: 1500kg of water, 8kg of liquid caustic soda, 2kg of soda ash, 8kg of hydrogen peroxide, 2kg of refining agent and 2kg of stabilizing agent.
S3: washing with water: pouring the oxygen bleaching agent in the oxygen bleaching tank, and adding clear water; washing the cloth subjected to oxygen bleaching twice by a washing tank; primary water washing operation: discharging materials from the discharging roller, feeding the materials into a washing tank, rolling the materials to a collecting roller after passing through the washing tank, and rolling the materials from the collecting roller to the discharging roller after passing through the washing tank, wherein the material is discharged once again and again, dirty water needs to be poured before washing each time, and 800kg of clean water needs to be added; the cloth water passing speed is 40 m/min; washing cloth with the width of 145cm and the width of 1000m with water for 800 kg;
s4: dyeing: and (3) feeding the washed cloth into a cylinder dryer, drying at the temperature of 130 ℃ and at the speed of 40m/min, and then feeding the cloth into a dyeing machine for dyeing.
The hydrogen peroxide concentration in hydrogen peroxide is 27%, the refining agent is M-1011 of Hangzhou Meigaohua Yihua chemical Co., Ltd, and the stabilizing agent is ZOKC of Hangzhou Qida chemical Co., Ltd.
Characterization test:
1. evaluation of oxygen bleaching Effect
Test subjects: examples 1-12 and comparative example 1, for a total of 13 groups of test subjects.
The test method comprises the following steps: a batch of primary-color cotton and linen cloth is prepared, mass production is carried out by using examples 1-12 and comparative example 1, ten batches of cloth (each batch is 1000m) are produced for each sample object, 5m is cut out from the middle section of each batch of cloth to be used as a test sample for oxygen bleaching effect evaluation, and each test object corresponds to ten test samples. And evaluating the bleaching effect and the hole breaking degree of the cloth after the water washing step. And ten lots of each specimen object were evaluated for lot-to-lot variability in staining after staining was complete.
In the production of large goods, the oxygen bleaching agent corresponding to the examples 1 to 13 can continuously carry out oxygen bleaching on 10000m (ten batches) of cloth. Comparative example 1 only 1000m (one batch) can be oxygen bleached at a time.
Evaluation of bleaching effect: marking a test sample of the comparative example 1 as a reference substance as grade 3, comparing the test sample with one test sample of the other test objects, marking as grade 1 or grade 2 if the bleaching effect is better than that of the comparative example 1, and marking as grade 4 or grade 5 if the bleaching effect is worse than that of the comparative example 1; the bleaching effect is good when the cloth is whiter and brighter, and the bleaching effect gradually becomes good from 1 grade to 5 grades.
And (3) evaluating the hole breaking degree: marking one test sample of the comparative example 1 as a reference substance as 3 grades, comparing the test sample with one test sample of the other test objects, marking as 1 grade or 2 grades if the number of the broken holes is less than that of the comparative example 1, and marking as 4 grades or 5 grades if the number of the broken holes is more than that of the comparative example 1; from level 1 to level 5, the number of broken holes increases.
And (3) evaluating dyeing difference: ten test sample samples of each test subject were compared, and 9 to 10 of the ten test sample samples were rated as 1, 7 to 8 as 2, 5 to 6 as 3, and 1 to 4 as 2 without any difference in color.
And (3) test results: the oxygen bleaching effect evaluation test results are reported in table 2.
TABLE 2 oxygen bleaching effect evaluation test results record
And (3) data analysis: as can be seen from Table 2, examples 1-13 all achieved the bleaching grade of prior art comparative example 1, and in part due to comparative example 1; the degree of hole breakage and the difference in staining were much lower in the examples than in comparative example 1. The embodiment can achieve the effects of improving the stability of the product and reducing oxygen drift holes. In addition, in the mass production, the oxygen bleaching agents corresponding to examples 1 to 13 can continuously oxygen bleach 10000m (ten lots) of cloth. Comparative example 1 only 1000m (one batch) can be oxygen bleached at a time.
Comparing all the examples, the bleaching effect, the hole breaking degree and the dyeing difference of the examples 4-8 are better than those of other examples, the examples 4-8 adopt the oxygen bleaching agent matched with the oxygen bleaching agent at 15-25 ℃ for oxygen bleaching, and simultaneously control the oxygen bleaching time and the vehicle speed to obtain the optimal oxygen bleaching effect; and better dyeing stability can be obtained after the dyeing is matched with the water washing step.
In addition, regarding the cost, in the water washing step, 1t of water can be continuously subjected to oxygen bleaching for at least ten cylinders of cloth (1000 m per cylinder), and in the water washing step, the clean water can be continuously discharged out of the sewage, and the ten cylinders of cloth only need 9 tons of water; while in comparative example 1t of water was required per 1000m, the water washing step was carried out with 3.2t of water.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. A production process of artificial silk floss bast fiber product cloth is characterized by comprising the following steps:
s1: leveling;
s2: oxygen bleaching: preparing an oxygen bleaching agent, and continuously passing the cloth through the oxygen bleaching agent;
s3: washing with water;
s4: dyeing;
the oxygen bleaching agent comprises water, liquid alkali with the concentration of 3-5g/L, soda ash with the concentration of 1-2g/L, hydrogen peroxide with the concentration of 3-10g/L, a refining agent with the concentration of 2-3g/L, a stabilizing agent with the concentration of 1-2g/L and a chelating agent with the concentration of 0.5-1 g/L; the mass concentration of the hydrogen peroxide in the hydrogen peroxide is 20-50%.
2. The process of claim 1, wherein the oxygen bleaching temperature of step S2 is 15-25 ℃.
3. The process for producing a rayon linen product cloth according to claim 1, wherein the oxygen bleaching time of step S2 is 22-25h, and the cloth peroxide bleaching speed is 60-80 m/min.
4. A process for producing a rayon bast product cloth according to claim 1 or 2, characterized in that the oxygen bleaching agent comprises the following components in concentration: 3.5g/L of liquid caustic soda, 2g/L of soda ash, 10g/L of hydrogen peroxide, 2g/L of refining agent, 1.5g/L of stabilizing agent and 1g/L of chelating agent.
5. The process of claim 1, wherein the oxygen bleaching and the water washing are performed in separate vessels.
6. The process of claim 1, wherein in step S3, water is moved from the discharge direction of the cloth to the feed direction of the cloth.
7. Production equipment for artificial silk floss hemp product cloth, which adopts the production process as claimed in any one of claims 1 to 6, and is characterized by comprising a base plate (1) and a coaming (2) which are obliquely arranged, wherein the base plate (1) and the coaming (2) form a groove body (3) with an opening at the upper end, and the base plate (1) inclines towards the direction far away from the opening of the groove body (3) from one end close to the cloth discharging to one end close to the cloth feeding; water enters from the direction close to the cloth discharging direction and exits from the direction close to the cloth feeding direction.
8. The production equipment of rayon cotton linen product cloth according to claim 7, characterized in that the coaming (2) close to the cloth discharging direction is provided with a water inlet pipe (4), the coaming (2) close to the cloth feeding direction is provided with a water outlet pipe (5), and the water outlet pipe (5) is positioned at one end of the coaming (2) close to the bottom plate (1).
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| CN111041810A (en) * | 2019-12-26 | 2020-04-21 | 杭州卓达染整有限公司 | Processing technology of all-cotton fabric |
| CN212247509U (en) * | 2020-03-27 | 2020-12-29 | 绍兴永通印花有限公司 | Feeding mechanism of oxygen bleaching machine |
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