CN109881306B - Method for separating, recycling and reusing blended fabric - Google Patents
Method for separating, recycling and reusing blended fabric Download PDFInfo
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- CN109881306B CN109881306B CN201910053883.5A CN201910053883A CN109881306B CN 109881306 B CN109881306 B CN 109881306B CN 201910053883 A CN201910053883 A CN 201910053883A CN 109881306 B CN109881306 B CN 109881306B
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Abstract
The invention discloses a method for separating, recycling and reusing blended fabric, which comprises the following steps: (1) measuring and classifying colors, namely measuring the colors of the blended fabric, and then classifying according to the color tones; (2) performing fiberization treatment, namely disassembling the classified blended fabric into uniformly dispersed multi-component mixed fibers; (3) the multi-component mixed fiber is subjected to dispersibility and conductivity pretreatment, so that the dispersibility and conductivity of the multi-component mixed fiber are improved, and the conductivity difference of each component fiber is increased; (4) dispersing, namely dispersing the mixed fibers into a uniform thin layer by adopting a mechanical vibration or airflow sedimentation method; (5) electrostatic adsorption separation, namely placing the pre-treated and dispersed multi-component mixed fibers in an electric field, and performing upward flying fast-slow separation or downward falling deviation far-near separation on each component fiber by utilizing the action of the electric field force; (6) and (5) recovering and recycling. The method has high separation degree of the blended fabric, high value-added recycling rate and low recycling cost.
Description
Technical Field
The invention belongs to the technical field of recycling of waste textiles, and particularly relates to a method for separating, recycling and reusing blended fabrics.
Background
At present, the treatment modes of the waste textiles are mainly divided into three types: the first is as second-hand clothing to be sold or donated to poverty-stricken groups; second, regeneration recovery, including physical regeneration recovery and chemical regeneration recovery; thirdly, burning and burying. The proportion of the first and the second is not high, and the majority is the third; in the regeneration and recovery, the regeneration and recovery of single material products such as pure cotton are aimed at, the regeneration and recovery of blended products are difficult to realize, the separation effect of chemical regeneration and recovery of dissolution and degradation separation is poor, the cost is extremely high, and the industrialization is difficult to realize, so that the recovery of waste terylene or polyester cotton textiles in China at present mainly adopts a physical method to prepare low value-added regeneration products such as mops, filling cotton and the like; therefore, the advanced recycling technology is urgently developed and introduced, and the industrialization process of the high-added-value utilization technology is accelerated.
Disclosure of Invention
The invention aims to provide a method for separating, recycling and reusing blended fabric, which separates the blended fabric into single-component fibers which can be directly applied to production for recycling, and realizes high value-added recycling of the blended fabric.
The above purpose of the invention is realized by the following technical scheme:
a method for separating, recycling and reusing blended fabric comprises the following steps:
(1) measuring and classifying the color of the blended fabric, namely measuring the color of the blended fabric, and then classifying according to the color tone;
(2) performing fiberization treatment on the blended fabric, namely disassembling the classified blended fabric into uniformly dispersed multi-component mixed fibers;
(3) the multi-component mixed fiber is subjected to dispersibility and conductivity pretreatment, so that the dispersibility and conductivity of the multi-component mixed fiber are improved, and the conductivity difference of each component fiber is increased;
(4) dispersing the multi-component mixed fibers, namely dispersing the mixed fibers into a uniform thin layer by adopting a mechanical vibration or airflow sedimentation method;
(5) and (3) electrostatic adsorption separation of the multi-component mixed fibers, namely placing the pre-treated and dispersed multi-component mixed fibers in an electric field, and performing upward flying fast-slow separation or downward falling deviation far-near separation on each component fiber by utilizing the action of the electric field force. The fibers with strong conductivity in the multi-component mixed fibers are more subjected to electric field force, the arrangement direction, the movement direction and the movement speed are firstly changed, and upward flying, fast and slow separation or downward falling, deviation and near-far separation of the fibers of each component are realized.
(6) Recovering and reusing, collecting the accurately separated component fibers in different recovering chambers, and directly using the separated fibers as colored spinning fiber raw materials without fading and bleaching if the separated fibers are natural fibers or regenerated fibers, or performing quick fading and bleaching treatment, compressing and packaging to use the fibers as white spinning fiber raw materials; if the separated fiber is synthetic fiber, the color of the fiber is not needed to be faded and bleached, and the fiber is directly and intensively melted or dissolved, then granulated and spun to obtain colored regenerated fiber.
The blended fabric is a blended fabric of synthetic fibers and natural fibers or a blended fabric of synthetic fibers and regenerated fibers or a blended fabric of synthetic fibers and synthetic fibers or a blended fabric of natural fibers and natural fibers.
The synthetic fiber and natural fiber blended fabric is a polyester and cotton blended fabric, an acrylic and cotton blended fabric, a chinlon and cotton blended fabric, a polyester and wool blended fabric, an acrylic and wool blended fabric or a chinlon and wool blended fabric; the synthetic fiber and regenerated fiber blended fabric is a terylene and viscose blended fabric, an acrylic fiber and viscose blended fabric, a chinlon and viscose blended fabric, a terylene and tencel blended fabric, an acrylic fiber and tencel blended fabric, a chinlon and tencel blended fabric, a terylene and modal blended fabric, an acrylic fiber and modal blended fabric or a chinlon and modal blended fabric; the synthetic fiber and synthetic fiber blended fabric is a terylene and chinlon blended fabric, a terylene and polypropylene blended fabric or a terylene and acrylic blended fabric; the natural fiber and natural fiber blended fabric is cotton and hemp blended fabric, cotton and wool blended fabric or cotton and silk blended fabric.
And (2) the color measurement and classification in the step (1) are carried out by adopting a high-speed digital camera to collect images of the blended fabric, converting the images into HSV format, extracting hue and then classifying according to the hue.
And (3) the fiberization treatment in the step (2) is to disassemble the blended fabric into uniformly dispersed mixed fibers in a mechanical hooking and grabbing way.
The components and weight percentage of the treating fluid adopted in the pre-treatment of dispersibility and conductivity in the step (3) are 35-92% of water, 2-30% of sodium silicate, 2-15% of sodium chloride, 2-10% of an electricity-inducing agent B and 2-10% of a dispersing agent T; the pretreatment temperature is 40-70 ℃, the bath ratio is 40: 1-10: 1, and the time is 10-30 min.
The upward flying fast-slow separation method comprises the following steps: placing the pre-treated and dispersed multi-component mixed fiber on a polar plate at the bottom end of an electric field, and adjusting the distance between the polar plate and the voltage and the electrifying time to ensure that the natural fiber component or the regenerated fiber component with better conductivity quickly flies up firstly, leaves the mixed fiber aggregate and reaches a fiber recovery net below an upper polar plate, and the synthetic fiber component which is difficult to fly up is left; the step of downward falling and deviating far and near separation comprises the following steps: the pretreated and dispersed multicomponent mixed fiber is scattered vertically from the top end and enters a horizontal electric field, the electric field force makes the natural fiber component or the regenerated fiber component with better conductivity deviate from the descending direction quickly and fall at a position far away from the descending point, and the synthetic fiber falls at a position near the descending point, so that the separation of the fiber components is realized.
The electric field is a direct current electric field, the distance between two polar plates is 10-100 cm, the voltage is 50-50000V, and the electrifying time is 2-60 s. More preferably, the electric field is a direct current electric field, the distance between two polar plates is 40-80 cm, the voltage is 200-30000V, and the electrifying time is 5-40 s.
Compared with the prior art, the invention has the following beneficial effects:
(1) the method separates the blended fabric into single-component fibers which can be directly applied to production for recycling, and realizes high added value recycling of the blended fabric.
(2) The physical separation method is adopted to separate the blended fabric fibers, the performance loss of the fibers is extremely low, a large amount of chemical reagents are not needed to be used, secondary pollution is avoided, and the method is an environment-friendly and green recovery method.
(3) Compared with chemical separation and recovery, the method has the advantages that the separation degree of the mixed fibers can reach more than 19, the separation effect is good, the recovery rate reaches more than 93%, the recovery efficiency is high, and the cost is low.
(4) The method can also be used for qualitative and quantitative determination of the blended fabric, can avoid using toxic, harmful and corrosive reagents, and becomes another environment-friendly method except an image processing method.
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FIG. 1 is a process flow diagram of the blended fabric separation, recovery and reuse method of the present invention.
Detailed Description
The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to the following examples.
Example 1:
the method for separating, recycling and reusing the red terylene and viscose blended fabric comprises the following specific steps:
(1) and color measurement and classification, namely acquiring images of the terylene and viscose blended fabric by adopting a high-speed digital camera, converting the images into HSV (hue, saturation, value) formats, extracting color tones, and classifying the terylene and viscose blended fabric according to the color tones.
(2) And (3) performing fiberization treatment, namely performing fiberization treatment on the terylene and viscose blended fabric by adopting a mechanical hooking and grabbing mode, and disassembling the classified terylene and viscose blended fabric into uniformly dispersed terylene and viscose mixed fibers.
(3) Performing pre-treatment on dispersibility and conductivity, namely taking 1g of mixed fiber of terylene and viscose (through determination, the mixed fiber contains 50% of terylene, 50% of viscose and 1% of separation degree), and preparing the mixed fiber by the following components in percentage by weight: water (92%), sodium silicate (2%), sodium chloride (2%), an electricity inducing agent B (2%) and a dispersing agent T (2%) are prepared into a dispersing and conductive treatment liquid, and the mixed fiber is pretreated under the following treatment conditions: the temperature is 70 ℃, the bath ratio is 40:1, and the time is 10min, so that the dispersibility and the conductivity of the mixed fiber of the terylene and the viscose are improved, the conductivity difference of the terylene fiber and the viscose is increased, and the performance requirement of the viscose reaches the industrial standard requirement (FZ/T64013-.
(4) Dispersing, namely dispersing the mixed fiber of the terylene and the viscose into a uniform thin layer by adopting an airflow sedimentation method.
(5) And (3) electrostatic adsorption separation, namely placing the pre-treated and dispersed mixed fibers of the terylene and the viscose on a polar plate at the bottom end of an electric field, and adjusting the distance between two polar plates to be 10cm, the voltage to be 50V and the power-on time to be 2s, so that the viscose with better conductivity quickly flies up at first, leaves the mixed fiber aggregate and reaches a fiber recovery net below an upper polar plate, and the terylene fiber components which are difficult to fly up are remained.
(6) The terylene and the viscose fibers which are accurately separated are respectively collected into 2 different recovery chambers, the weight of the terylene and the viscose fibers is measured to determine the mass ratio of the two fibers which fly to the recovery net, the viscose accounts for 98.8 percent, the terylene accounts for 1.2 percent, the separation degree reaches 82, the separation effect is good, and the recovery rate is 95 percent. Preparing a high-added-value recycled raw material, carrying out quick fading bleaching treatment on the red viscose fiber separated from the upper layer, compressing and packaging the red viscose fiber, and using the red viscose fiber as a spinning fiber raw material of viscose yarn; the red polyester fiber which is not subjected to flying and lifting separation at the lower layer does not need fading and bleaching, and is directly subjected to concentrated melting, granulation and spinning to obtain red regenerated polyester fiber, so that the dyeing link is omitted.
Example 2:
the method for separating, recycling and reusing the blue polyester and cotton blended fabric comprises the following specific steps:
(1) and color measurement and classification, namely acquiring images of the polyester and cotton blended fabric by adopting a high-speed digital camera, converting the images into HSV (hue, saturation, value) formats, extracting color tones, and classifying the polyester and cotton blended fabric according to the color tones.
(2) And (3) performing fiberization treatment, namely performing fiberization treatment on the terylene and cotton blended fabric by adopting a mechanical hooking and grabbing mode, and disassembling the classified terylene and cotton blended fabric into uniformly dispersed terylene and cotton mixed fibers.
(3) Performing pre-treatment on dispersibility and conductivity, namely taking 1g of polyester and cotton mixed fiber (through determination, the mixed fiber contains 65% of polyester, 35% of cotton and 1.86% of separation degree), and preparing the polyester and cotton mixed fiber by the following components in percentage by weight: preparing water (35%), sodium silicate (30%), sodium chloride (15%), an electricity-inducing agent B (10%) and a dispersing agent T (10%) into a dispersing and conductive treatment liquid, and pretreating the mixed fibers under the following treatment conditions: the temperature is 40 ℃, the bath ratio is 30:1, and the time is 30min, so that the dispersibility and the conductivity of the mixed fiber of the terylene and the cotton are improved, the conductivity difference of the terylene fiber and the cotton fiber is increased, and the performance requirement of the cotton fiber reaches the industrial standard requirement (FZ/T64013-.
(4) Dispersing, namely dispersing the mixed fiber of the terylene and the cotton into a uniform thin layer by adopting a mechanical vibration method.
(5) Electrostatic adsorption separation, namely uniformly and vertically scattering the pre-treated and dispersed terylene and cotton mixed fibers from the top end, and enabling the mixed fibers to enter a horizontal electric field, wherein the cotton fiber components with better conductivity quickly deviate from the descending direction by the electric field force and fall at a position far away from the descending point and under the descending point, and the terylene fibers fall at a position near the descending point, so that the separation of the terylene fibers and the cotton fibers is smoothly realized; the distance between the two polar plates is 100cm, the voltage is 50000V and the electrifying time is 60 s.
(6) The terylene and the cotton fibers which are accurately separated are respectively collected into 2 different recovery chambers, the mass ratio of the two fibers in the cotton fiber recovery chamber is measured by weighing, the cotton accounts for 98 percent, the terylene accounts for 2 percent, the separation degree reaches 49, the separation effect is good, and the recovery rate reaches 93 percent. Carrying out quick fading bleaching treatment on the blue cotton fiber separated to the far end, compressing and packaging the blue cotton fiber to be used as a spinning fiber raw material of cotton yarn; the blue polyester fiber separated to the near end is directly and intensively melted, granulated and spun without fading and bleaching to obtain the blue regenerated polyester fiber, and the dyeing link is omitted.
Example 3:
the grey acrylic fiber and wool blended fabric separating, recycling and reusing method comprises the following specific steps:
steps (1) to (5) are compared with example 1 except that: the blended fabric is gray acrylic fiber and wool blended fabric (the acrylic fiber accounts for 70 percent, the wool accounts for 30 percent and the separation degree is 2.3 through determination); the components and weight percentages of the dispersibility and conductivity treatment liquid adopted in the step (3) are water (56%), sodium silicate (20%), sodium chloride (8%), an inducer B (8%) and a dispersant T (8%), and the treatment conditions are as follows: the temperature is 60 ℃, the bath ratio is 35:1, and the time is 20 min; dispersing, namely dispersing the acrylic fibers and the wool mixed fibers into a uniform thin layer by adopting a mechanical vibration method; in the step (5), the distance between the two polar plates is 80cm, the voltage is 10000V and the electrifying time is 50 s. The other processes were the same as in example 1.
And (6) recycling, namely respectively collecting the acrylic fibers and the wool fibers which are accurately separated into 2 different recycling chambers, and measuring the mass ratio of the two fibers which fly to the recycling net by weighing, wherein the wool accounts for 97 percent, the acrylic fibers account for 3 percent, the separation degree reaches 32.3, the separation effect is good, and the recycling rate reaches 94 percent. Carrying out quick fading bleaching treatment on the gray wool fiber separated from the upper layer, compressing and packaging the gray wool fiber to be used as a spinning fiber raw material of wool yarns; the grey acrylic fiber which is not subjected to flying-lifting separation at the lower layer does not need fading bleaching, and is directly and intensively dissolved, granulated and spun to obtain grey regenerated acrylic fiber, so that the dyeing link is omitted.
Example 4:
the method for separating, recycling and reusing the black polyester and wool blended fabric comprises the following specific steps:
steps (1) to (5) are compared with example 1 except that: the blended fabric is black acrylic fiber and wool blended fabric (through determination, polyester accounts for 80%, wool accounts for 20%, and the separation degree is 4); the components and weight percentages of the dispersivity and conductivity treatment liquid adopted in the step (3) are water (70%), sodium silicate (15%), sodium chloride (5%), an inducer B (5%) and a dispersant T (5%), and the treatment conditions are as follows: the temperature is 50 ℃, the bath ratio is 20:1, and the time is 25 min; dispersing, namely dispersing the mixed fiber of the terylene and the wool into a uniform thin layer by adopting a mechanical vibration method; in the step (5), the distance between the two polar plates is 50cm, the voltage is 3000V and the electrifying time is 40 s. The other processes were the same as in example 1.
And (6) recycling, namely collecting the polyester fibers and the wool fibers which are accurately separated into 2 different recycling chambers respectively, and measuring the mass ratio of the two fibers which fly to the recycling net by weighing, wherein the wool accounts for 97.5 percent, the acrylic fibers account for 2.5 percent, the separation degree reaches 39, the separation effect is good, and the recycling rate reaches 94.5 percent. Carrying out quick color fading bleaching treatment on the black wool fibers separated from the upper layer, compressing and packaging the black wool fibers, and using the black wool fibers as spinning fiber raw materials of wool yarns; the black polyester fiber which is not subjected to flying and lifting separation at the lower layer does not need fading and bleaching, and is directly subjected to concentrated melting, granulation and spinning to obtain black regenerated polyester fiber, so that the dyeing link is omitted.
Example 5:
the method for separating, recycling and reusing the yellow polyester and chinlon blended fabric comprises the following specific steps:
steps (1) to (4) are compared with example 1 except that: the blended fabric is yellow terylene and chinlon blended fabric (by determination, 60% of terylene, 40% of wool and 1.5% of separation degree); the components and weight percentages of the dispersivity and conductivity treatment liquid adopted in the step (3) are water (80%), sodium silicate (10%), sodium chloride (4%), an inducer B (3%) and a dispersant T (3%), and the treatment conditions are as follows: the temperature is 60 ℃, the bath ratio is 30:1, and the time is 15 min; and (4) dispersing, namely dispersing the mixed fiber of the terylene and the chinlon into a uniform thin layer by adopting a mechanical vibration method. The other processes were the same as in example 1.
Electrostatic adsorption separation, namely uniformly and vertically scattering the pre-treated and dispersed terylene and chinlon mixed fibers from the top end, and enabling the terylene and chinlon mixed fibers to enter a horizontal electric field, wherein the electric field force enables the chinlon fiber components with better conductivity to quickly deviate from the descending direction firstly, and fall at a position far away from the descending point and just below the descending point, and the terylene fibers fall at a position near the position just below the descending point, so that the separation of the terylene fibers and the chinlon fibers is smoothly realized; the distance between the two polar plates is 20cm, the voltage is 800V and the electrifying time is 20 s.
And (6) recycling, namely collecting the accurately separated terylene and nylon fibers into 2 different recovery chambers respectively, and weighing to determine the mass ratio of the two fibers in the nylon fiber recovery chamber, wherein the nylon accounts for 98 percent, the terylene accounts for 2 percent, the separation degree reaches 49, the separation effect is good, and the recovery rate reaches 95 percent. The black nylon fiber separated to the far end is directly and intensively melted, granulated and spun without fading and bleaching to obtain yellow regenerated nylon fiber, and the dyeing link is omitted; the black polyester fiber separated to the near end is directly and intensively melted, granulated and spun without fading and bleaching to obtain gray regenerated polyester fiber, and the dyeing link is omitted.
Example 6:
the method for separating, recycling and reusing the light red cotton and wool blended fabric comprises the following specific steps:
steps (1) to (5) are compared with example 1 except that: the blended fabric is light red cotton and wool blended fabric (the cotton accounts for 70%, the wool accounts for 30% and the separation degree is 2.3 through determination); the components and weight percentages of the dispersivity and conductivity treatment liquid adopted in the step (3) are water (75%), sodium silicate (10%), sodium chloride (5%), an inducer B (5%) and a dispersant T (5%), and the treatment conditions are as follows: the temperature is 60 ℃, the bath ratio is 30:1, and the time is 15 min; dispersing, namely dispersing the cotton and wool mixed fibers into a uniform thin layer by adopting a mechanical vibration method; in the step (5), the distance between the two polar plates is 15cm, the voltage is 200V and the electrifying time is 5 s. The other processes were the same as in example 1.
And (6) recovering and recycling, namely collecting the cotton and wool fibers which are accurately separated into 2 different recovery chambers respectively, measuring the mass ratio of the two fibers which fly to the recovery net by weighing, wherein the cotton accounts for 95 percent, the wool accounts for 5 percent, the separation degree reaches 19, the separation effect is good, and the recovery rate reaches 94 percent. The light red cotton separated from the upper layer is directly compressed and packed without being subjected to fading bleaching treatment and is used as a spinning fiber raw material of light red cotton yarn, so that the dyeing link is omitted; the light red wool fiber which is not subjected to flying-lifting separation at the lower layer is subjected to rapid fading bleaching treatment, compressed and packaged and used as a spinning fiber raw material of white wool yarn.
Claims (5)
1. The method for separating, recycling and reusing the blended fabric is characterized by comprising the following steps of:
(1) measuring and classifying the color of the blended fabric, namely measuring the color of the blended fabric, and then classifying according to the color tone;
(2) performing fiberization treatment on the blended fabric, namely disassembling the classified blended fabric into uniformly dispersed multi-component mixed fibers;
(3) the multi-component mixed fiber is subjected to dispersibility and conductivity pretreatment, so that the dispersibility and conductivity of the multi-component mixed fiber are improved, and the conductivity difference of each component fiber is increased;
(4) dispersing the multi-component mixed fibers, namely dispersing the mixed fibers into a uniform thin layer by adopting a mechanical vibration or airflow sedimentation method;
(5) electrostatic adsorption separation of the multi-component mixed fibers, namely placing the pre-treated and dispersed multi-component mixed fibers in an electric field, and performing upward flying fast-slow separation or downward falling deviation far-near separation on each component of the fibers by utilizing the action of the electric field force;
(6) recovering and reusing, collecting the accurately separated component fibers in different recovering chambers, and directly using the separated fibers as colored spinning fiber raw materials without fading and bleaching if the separated fibers are natural fibers or regenerated fibers, or performing quick fading and bleaching treatment, compressing and packaging to use the fibers as white spinning fiber raw materials; if the separated fiber is synthetic fiber, the color of the fiber is not needed to be faded and bleached, and the fiber is directly and intensively melted or dissolved, then granulated and spun to obtain colored regenerated fiber;
the upward flying fast-slow separation method comprises the following steps: placing the pre-treated and dispersed multi-component mixed fiber on a polar plate at the bottom end of an electric field, and adjusting the distance between the polar plate and the voltage and the electrifying time to ensure that the natural fiber component or the regenerated fiber component with better conductivity quickly flies up firstly, leaves the mixed fiber aggregate and reaches a fiber recovery net below an upper polar plate, and the synthetic fiber component which is difficult to fly up is left; the step of downward falling and deviating far and near separation comprises the following steps: the pretreated and dispersed multi-component mixed fibers are uniformly, dispersedly and vertically scattered from the top end and enter a horizontal electric field, the electric field force enables natural fiber components or regenerated fiber components with better conductivity to quickly deviate from the descending direction firstly, and fall at a position far away from the position right below a descending point, while synthetic fibers fall at a position near the position right below the descending point, so that the separation of the fibers of each component is realized;
the components and weight percentage of the treating fluid adopted in the pre-treatment of dispersibility and conductivity in the step (3) are 35-92% of water, 2-30% of sodium silicate, 2-15% of sodium chloride, 2-10% of an electricity-inducing agent B and 2-10% of a dispersing agent T; the pretreatment temperature is 40-70 ℃, the bath ratio is 40: 1-10: 1, and the time is 10-30 min;
the electric field is a direct current electric field, the distance between two polar plates is 10-100 cm, the voltage is 50-50000V, and the electrifying time is 2-60 s.
2. The method for separating, recycling and reusing the blended fabric according to claim 1, wherein the blended fabric is a blended fabric of synthetic fibers and natural fibers or a blended fabric of synthetic fibers and regenerated fibers or a blended fabric of synthetic fibers and synthetic fibers or a blended fabric of natural fibers and natural fibers.
3. The method for separating, recycling and reusing blended fabric according to claim 2, wherein the synthetic fiber and natural fiber blended fabric is a polyester and cotton blended fabric, an acrylic and cotton blended fabric, a polyamide and cotton blended fabric, a polyester and wool blended fabric, an acrylic and wool blended fabric or a polyamide and wool blended fabric; the synthetic fiber and regenerated fiber blended fabric is a terylene and viscose blended fabric, an acrylic fiber and viscose blended fabric, a chinlon and viscose blended fabric, a terylene and tencel blended fabric, an acrylic fiber and tencel blended fabric, a chinlon and tencel blended fabric, a terylene and modal blended fabric, an acrylic fiber and modal blended fabric or a chinlon and modal blended fabric; the synthetic fiber and synthetic fiber blended fabric is a terylene and chinlon blended fabric, a terylene and polypropylene blended fabric or a terylene and acrylic blended fabric; the natural fiber and natural fiber blended fabric is cotton and hemp blended fabric, cotton and wool blended fabric or cotton and silk blended fabric.
4. The method for separating, recycling and reusing blended fabric according to claim 1, wherein the color measurement and classification in step (1) is performed by collecting images of the blended fabric by a high-speed digital camera, converting the images into HSV format, extracting hue, and classifying according to the hue.
5. The method for separating, recycling and reusing blended fabric according to claim 1, wherein the fiberizing treatment of the step (2) is to disassemble the blended fabric into uniformly dispersed mixed fibers by a mechanical hook-and-catch method.
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| CN111304787B (en) * | 2020-01-18 | 2021-06-22 | 海安联发棉纺有限公司 | Production and processing technology of recycled regenerated cotton |
| CN114262958A (en) * | 2022-01-04 | 2022-04-01 | 福建景丰科技有限公司 | Preparation method of black regenerated nylon-6 fiber |
| CN115197468A (en) * | 2022-03-21 | 2022-10-18 | 福建华峰新材料有限公司 | Process for extracting chinlon from waste blended fabric by using selective solvent and product |
| WO2023217607A1 (en) | 2022-05-09 | 2023-11-16 | Säntis Textiles Ag | Electrostatic separation device for elastic mono filaments from cotton staple fiber yarns in fleeces |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09220491A (en) * | 1996-02-15 | 1997-08-26 | Nec Corp | Separation of mixture composed of paper and plastic |
| CN101795775A (en) * | 2007-08-27 | 2010-08-04 | 三菱电机株式会社 | Electrostatic separation apparatus, method of electrostatic separation, and process for producing recycled plastic |
| CN101821010A (en) * | 2008-02-22 | 2010-09-01 | 三菱电机株式会社 | Electrostatic sorting machine |
| CN106245125A (en) * | 2016-09-12 | 2016-12-21 | 安徽新创智能科技有限公司 | Waste and old medicated clothing environment-friendly high-efficiency regenerative system and renovation process |
| CN106801271A (en) * | 2016-12-30 | 2017-06-06 | 山东孚润机械科技有限公司 | A kind of fiber-spinnable processing method |
| CN107043966A (en) * | 2017-05-31 | 2017-08-15 | 桐乡河山巨瑞纺织有限公司 | A kind of useless cloth regeneration device and its recoverying and utilizing method |
| CN107953482A (en) * | 2016-10-17 | 2018-04-24 | 三菱电机株式会社 | Electrostatic separation apparatus and electrostatic sorting method |
| CN108311289A (en) * | 2018-02-01 | 2018-07-24 | 东莞阿莫斯特环保科技有限公司 | A kind of electrostatic separator and electrostatic separation system |
-
2019
- 2019-01-21 CN CN201910053883.5A patent/CN109881306B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09220491A (en) * | 1996-02-15 | 1997-08-26 | Nec Corp | Separation of mixture composed of paper and plastic |
| CN101795775A (en) * | 2007-08-27 | 2010-08-04 | 三菱电机株式会社 | Electrostatic separation apparatus, method of electrostatic separation, and process for producing recycled plastic |
| CN101821010A (en) * | 2008-02-22 | 2010-09-01 | 三菱电机株式会社 | Electrostatic sorting machine |
| CN106245125A (en) * | 2016-09-12 | 2016-12-21 | 安徽新创智能科技有限公司 | Waste and old medicated clothing environment-friendly high-efficiency regenerative system and renovation process |
| CN107953482A (en) * | 2016-10-17 | 2018-04-24 | 三菱电机株式会社 | Electrostatic separation apparatus and electrostatic sorting method |
| CN106801271A (en) * | 2016-12-30 | 2017-06-06 | 山东孚润机械科技有限公司 | A kind of fiber-spinnable processing method |
| CN107043966A (en) * | 2017-05-31 | 2017-08-15 | 桐乡河山巨瑞纺织有限公司 | A kind of useless cloth regeneration device and its recoverying and utilizing method |
| CN108311289A (en) * | 2018-02-01 | 2018-07-24 | 东莞阿莫斯特环保科技有限公司 | A kind of electrostatic separator and electrostatic separation system |
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