CN116676727A - Functional cellulose diacetate tow coating system, coating process and preparation method - Google Patents
Functional cellulose diacetate tow coating system, coating process and preparation method Download PDFInfo
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- 238000000576 coating method Methods 0.000 title claims abstract description 124
- 239000011248 coating agent Substances 0.000 title claims abstract description 104
- 229920001747 Cellulose diacetate Polymers 0.000 title claims abstract description 84
- 238000002360 preparation method Methods 0.000 title abstract description 16
- 239000011550 stock solution Substances 0.000 claims abstract description 64
- 238000003860 storage Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 42
- 239000000126 substance Substances 0.000 claims description 23
- 239000013067 intermediate product Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000009987 spinning Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 235000013599 spices Nutrition 0.000 claims description 4
- 238000012800 visualization Methods 0.000 claims description 4
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004043 dyeing Methods 0.000 description 8
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 description 6
- 235000019504 cigarettes Nutrition 0.000 description 6
- 239000000975 dye Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000779 smoke Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 241000675108 Citrus tangerina Species 0.000 description 3
- 229930003427 Vitamin E Natural products 0.000 description 3
- 230000003064 anti-oxidating effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000007760 free radical scavenging Effects 0.000 description 3
- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 description 3
- 235000019165 vitamin E Nutrition 0.000 description 3
- 229940046009 vitamin E Drugs 0.000 description 3
- 239000011709 vitamin E Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 235000011437 Amygdalus communis Nutrition 0.000 description 2
- 241000220304 Prunus dulcis Species 0.000 description 2
- 235000020224 almond Nutrition 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 238000010016 exhaust dyeing Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 235000014571 nuts Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000000578 dry spinning Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/08—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating from outlets being in, or almost in, contact with the textile material
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/14—Containers, e.g. vats
- D06B23/18—Sealing arrangements
-
- 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
- D06B23/205—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation for adding or mixing constituents of the treating material
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
本发明提供了一种功能性二醋酸纤维素丝束涂布系统、涂布工艺及制备方法，用于解决现有的制备方法成本较高且制备的丝束整体效果较差等技术问题。涂布系统包括原液存储单元、原液输送单元和涂布单元；输送单元包括输送管路和设置在输送管路上的输送泵；输送管路的入口端连接原液存储单元，出口端设有第一分管和第二分管；第一分管和第二分管上分别设有第一流量计和第二流量计，用于控制功能物质原液的输出量；涂布单元包括侧板，及安装在壳体上的第一涂布口和第二涂布口，第一涂布口和第二涂布口的入口端分别与第一分管和第二分管的出口端连接，且分别位于待加工的二醋酸纤维素丝束的上下两侧并与其表面接触。
The invention provides a functional cellulose diacetate tow coating system, a coating process and a preparation method, which are used to solve the technical problems of high cost and poor overall effect of the prepared tow in the existing preparation method. The coating system includes a raw solution storage unit, a raw solution delivery unit and a coating unit; the delivery unit includes a delivery pipeline and a delivery pump arranged on the delivery pipeline; the inlet end of the delivery pipeline is connected to the raw solution storage unit, and the outlet end is provided with a first branch pipe and the second branch pipe; the first branch pipe and the second branch pipe are provided with a first flow meter and a second flow meter respectively, which are used to control the output of the functional material stock solution; the coating unit includes a side plate, and a The first coating port and the second coating port, the inlet ports of the first coating port and the second coating port are respectively connected to the outlet ends of the first branch pipe and the second branch pipe, and are respectively located on the cellulose diacetate to be processed. The upper and lower sides of the tow are in contact with its surface.
Description
技术领域technical field
本发明涉及一种二醋酸纤维素丝束制备工艺，尤其涉及一种功能性二醋酸纤维素丝束涂布系统、涂布工艺及制备方法。The invention relates to a preparation process of cellulose diacetate tow, in particular to a coating system, coating process and preparation method of functional cellulose diacetate tow.
背景技术Background technique
二醋酸纤维素丝束主要用作香烟过滤嘴，采用二醋酸纤维素丝束制作成的滤嘴具有吸阻小，烟气过滤效果好，能够选择性的吸附烟气中有害成分等优点。Cellulose diacetate tow is mainly used as a cigarette filter. The filter made of cellulose diacetate tow has the advantages of small suction resistance, good smoke filtering effect, and the ability to selectively adsorb harmful components in smoke.
传统单一的烟用二醋酸纤维素丝束主要采用干法纺丝进行制备，主要将称量好的二醋酸纤维素片溶解在丙酮中，通过搅拌形成纺丝液，纺丝液再经过滤、脱泡后进入纺丝甬道，甬道中的纺丝细流经过热风闪蒸固化成丝条，丝条通过卷绕罗拉的卷绕形成丝束，丝束最后经卷曲、干燥、摆丝、打包，即形成二醋酸纤维素丝束。The traditional single cellulose diacetate tow for cigarettes is mainly prepared by dry spinning. The weighed cellulose diacetate sheet is dissolved in acetone and stirred to form a spinning solution, which is then filtered, After degassing, it enters the spinning tunnel. The fine spinning stream in the tunnel is flashed by hot air and solidified into filaments. The filaments are wound by winding rollers to form tows. The tows are finally crimped, dried, spun, and packed That is, cellulose diacetate tow is formed.
但是，随着经济的快速发展和消费者品味的提升，传统单一的烟用二醋酸纤维素丝束不再能满足人们的需求，开发功能性烟用二醋酸纤维素丝束(如彩色丝束、含香丝束、可降焦油及减少烟气中有害物质材料的丝束等)，则成为发展的必然趋势。对于彩色丝束，要实现该类丝束的染色，一般采用浸染或喷染的方式。若采用浸染的方式，不仅需要改变丝带的导向，而且丝带的张力会随之改变，从而导致丝带本身性能有很大的改变，并且浸染的方式耗费染料量大，占地面积大，整体制造成本较高。若采用喷染的方式，则由于染料存在一定的压力，进而会对丝带的稳定性造成一定的影响，并且喷染过程也容易产生色花，从而影响丝束的整体效果。However, along with the rapid development of the economy and the improvement of consumer taste, the traditional single cellulose diacetate tow for cigarettes can no longer satisfy people's needs, and the development of functional cigarette cellulose diacetate tow (such as colored tow , containing fragrant tow, tow that can reduce tar and reduce harmful substances in smoke, etc.), it has become an inevitable trend of development. For colored tow, to realize the dyeing of this kind of tow, generally adopt the mode of exhaust dyeing or spray dyeing. If the dip-dyeing method is used, not only the orientation of the ribbon needs to be changed, but also the tension of the ribbon will change accordingly, resulting in a great change in the performance of the ribbon itself, and the dip-dyeing method consumes a large amount of dye, occupies a large area, and lowers the overall manufacturing cost. higher. If the spray dyeing method is used, the dye will have a certain pressure, which will have a certain impact on the stability of the ribbon, and the spray dyeing process is also prone to color patterns, which will affect the overall effect of the tow.
发明内容Contents of the invention
本发明的目的在于提供一种功能性二醋酸纤维素丝束涂布系统、涂布工艺及制备方法，用于解决现有的制备彩色二醋酸纤维素丝束的染色方法成本较高且制备的丝束整体效果较差等技术问题。The purpose of the present invention is to provide a functional cellulose diacetate tow coating system, coating process and preparation method, which is used to solve the problem of high cost and preparation of the existing dyeing method for preparing colored cellulose diacetate tow. The overall effect of the tow is poor and other technical problems.
为了实现上述目的，本发明的技术解决方案为：In order to achieve the above object, the technical solution of the present invention is:
一种功能性二醋酸纤维素丝束涂布系统，其特殊之处在于：包括原液存储单元、原液输送单元和涂布单元；A functional cellulose diacetate tow coating system, which is special in that it includes a stock solution storage unit, a stock solution delivery unit and a coating unit;
所述原液存储单元用于存储功能物质原液；所述原液输送单元包括输送管路和设置在输送管路上的输送泵；所述输送管路的入口端连接原液存储单元，出口端设有第一分管和第二分管；所述第一分管和第二分管上分别设有第一流量计和第二流量计，用于控制功能物质原液的输出量；The raw liquid storage unit is used to store the raw liquid of functional substances; the raw liquid delivery unit includes a delivery pipeline and a delivery pump arranged on the delivery pipeline; the inlet end of the delivery pipeline is connected to the raw solution storage unit, and the outlet end is provided with a first A branch pipe and a second branch pipe; the first branch pipe and the second branch pipe are respectively provided with a first flow meter and a second flow meter, which are used to control the output of the functional material stock solution;
所述涂布单元包括侧板，及安装在侧板上的第一涂布口和第二涂布口，所述第一涂布口和第二涂布口的入口端分别与第一分管和第二分管的出口端连接，且分别位于待加工的二醋酸纤维素丝束的上下两侧并与其表面接触。The coating unit includes a side plate, and a first coating port and a second coating port installed on the side plate, and the inlet ends of the first coating port and the second coating port are respectively connected to the first branch pipe and the second coating port. The outlet end of the second branch pipe is connected, and is respectively located on the upper and lower sides of the cellulose diacetate tow to be processed and is in contact with its surface.
进一步地，所述涂布单元还包括接液盒和防液盖；Further, the coating unit also includes a liquid receiving box and a liquid proof cover;
所述接液盒设置在第一涂布口和第二涂布口的下方且与侧板连接，用于接收多余的功能物质原液；所述接液盒与原液存储单元之间通过回流管连接；The liquid receiving box is arranged below the first coating port and the second coating port and is connected to the side plate for receiving excess functional substance stock solution; the liquid receiving box is connected to the stock solution storage unit through a return pipe ;
所述防液盖位于第一涂布口和第二涂布口的上方且与侧板连接，用于防止功能物质原液外溅。The liquid-proof cover is located above the first coating port and the second coating port and is connected with the side plate, so as to prevent the original liquid of the functional substance from splashing out.
进一步地，所述第一涂布口和第二涂布口的出口端分别为细长结构的出液口，出液口的宽度与待加工的二醋酸纤维素丝束的宽度一致。Further, the outlet ends of the first coating port and the second coating port are respectively elongated liquid outlets, and the width of the liquid outlets is consistent with the width of the cellulose diacetate tow to be processed.
进一步地，所述侧板上设有竖直的第一长方形孔和第二长方形孔，所述第一涂布口安装于第一长方形孔处；所述第二涂布口安装于第二长方形孔处，且第一涂布口和第二涂布口相对于第一长方形孔和第二长方形孔的位置可上下调节。Further, the side plate is provided with a vertical first rectangular hole and a second rectangular hole, the first coating port is installed at the first rectangular hole; the second coating port is installed at the second rectangular hole The position of the first coating port and the second coating port relative to the first rectangular hole and the second rectangular hole can be adjusted up and down.
进一步地，所述原液存储单元为带有搅拌器的储液罐，其上方设有密封盖，用于防止功能性原液被污染；所述密封盖的中部设有可视化窗口，可视化窗口的材质一般为玻璃，可实时观察储液罐中的原液状态。Further, the raw liquid storage unit is a liquid storage tank with a stirrer, and a sealing cover is provided above it to prevent the functional raw liquid from being polluted; a visualization window is provided in the middle of the sealing cover, and the material of the visualization window is generally It is made of glass, and the state of the original liquid in the liquid storage tank can be observed in real time.
进一步地，所述输送管路入口端设有过滤器，用于过滤原液中的杂质，以防对丝束质量造成影响。Further, a filter is provided at the inlet end of the conveying pipeline for filtering impurities in the raw liquid so as not to affect the quality of the tow.
本发明还提供一种功能性二醋酸纤维素丝束涂布工艺，其特殊之处在于，采用本发明所述的功能性二醋酸纤维素丝束涂布系统，包括以下步骤：The present invention also provides a functional cellulose diacetate tow coating process, which is special in that the functional cellulose diacetate tow coating system of the present invention comprises the following steps:
1】根据设计要求将提前配制好的功能物质原液置于原液存储单元内；1) Place the pre-prepared functional substance stock solution in the stock solution storage unit according to the design requirements;
2】将二醋酸纤维素丝束置于第一涂布口和第二涂布口之间，，且第一涂布口和第二涂布口分别位于二醋酸纤维素丝束的上下两侧并分别调整好第一涂布口及第二涂布口与二醋酸纤维素丝束的接触程度；2) Place the cellulose diacetate tow between the first coating port and the second coating port, and the first coating port and the second coating port are respectively located on the upper and lower sides of the cellulose diacetate tow And respectively adjust the degree of contact between the first coating port and the second coating port and the cellulose diacetate tow;
3】设置二醋酸纤维素丝束的运行速度，及第一流量计和第二流量计的原液输出量；3) Set the running speed of cellulose diacetate tow, and the stock solution output of the first flowmeter and the second flowmeter;
4】启动输送泵，从而实现功能物质原液在二醋酸纤维素丝束上的涂布。4) Start the delivery pump to realize the coating of the functional substance stock solution on the cellulose diacetate tow.
进一步地，步骤1】中，所述功能物质原液为染料原液、香料原液、由抗氧化物质配制的原液中的一种原液或多种原液的混合液。Further, in step 1], the functional substance stock solution is one stock solution or a mixture of several stock solutions among dye stock solution, perfume stock solution, and stock solution prepared from antioxidant substances.
进一步地，步骤3】中，二醋酸纤维素丝束的运行速度为400m/min～750m/min。Further, in step 3], the running speed of the cellulose diacetate tow is 400m/min-750m/min.
除此之外，本发明还提供一种功能性二醋酸纤维素丝束的制备方法，其特殊之处在于，包括以下步骤：In addition, the present invention also provides a preparation method of functional cellulose diacetate tow, which is special in that it comprises the following steps:
A】通过纺丝系统制备得到二醋酸纤维素丝束中间品；A] The intermediate product of cellulose diacetate tow is prepared by spinning system;
B】采用本发明所述的涂布工艺涂布得到功能性二醋酸纤维素丝束中间品；B] adopt the coating process of the present invention to coat and obtain the intermediate product of functional cellulose diacetate tow;
C】将步骤B】得到的功能性二醋酸纤维素丝束中间品依次经卷曲、干燥、摆丝后得到功能性二醋酸纤维素丝束成品。C] The functional cellulose diacetate tow intermediate product obtained in step B] is crimped, dried and spun in turn to obtain a finished functional cellulose diacetate tow.
与现有技术相比，本发明具有以下优点：Compared with the prior art, the present invention has the following advantages:
1、本发明的涂布系统包括原液存储单元、原液输送单元和涂布单元，整体结构简单，占地面积小且不会对原有生产造成影响；该涂布系统可搭载于现有的纺丝系统上，在二醋酸纤维素丝束纺丝结束后直接进行涂布，整体制造成本较低、涂布效率较高；将第一涂布口和第二涂布口分设于待加工的二醋酸纤维素丝束的上下两侧且与待加工的二醋酸纤维素丝束表面接触，提高了涂布工艺的均匀性，提高了功能性二醋酸纤维素丝束的整体效果。1. The coating system of the present invention includes a stock solution storage unit, a stock solution delivery unit and a coating unit. The overall structure is simple, the floor space is small and the original production will not be affected; In the silk system, the coating is carried out directly after the cellulose diacetate tow is spun, the overall manufacturing cost is low, and the coating efficiency is high; the first coating port and the second coating port are set separately on the two The upper and lower sides of the cellulose acetate tow are in contact with the surface of the cellulose diacetate tow to be processed, which improves the uniformity of the coating process and improves the overall effect of the functional cellulose diacetate tow.
2、本发明的涂布工艺流程简单，操作方便，且便于清洗，相对于浸染和喷染，本发明的涂布工艺更为节省染料。2. The coating process of the present invention is simple, easy to operate, and easy to clean. Compared with exhaust dyeing and spray dyeing, the coating process of the present invention saves more dyes.
3、本发明的涂布工艺不需要改变原有二醋酸纤维素丝束的导向，纺丝结束后直接进行涂布，进而减少了对二醋酸纤维素丝束稳定性的影响。3. The coating process of the present invention does not need to change the orientation of the original cellulose diacetate tow, and the coating is carried out directly after spinning, thereby reducing the influence on the stability of the cellulose diacetate tow.
4、本发明的涂布工艺与原液上色工艺相比，原液上色需要对原有生产线进行改造，前期改造投入多，如果进行多颜色丝束的生产，增加了设备的清洗难度，耗费成本高。而本发明的涂布工艺拆卸方便，容易清洗且耗费成本较低，可适用于不同的功能性二醋酸纤维素丝束的制备，适用性更强。4. Compared with the stock solution coloring process, the coating process of the present invention needs to transform the original production line for the stock solution coloring, and the investment in the early stage transformation is large. If the production of multi-color tow is carried out, the cleaning difficulty of the equipment will be increased and the cost will be consumed high. However, the coating process of the present invention is easy to disassemble, easy to clean and low in cost, applicable to the preparation of different functional cellulose diacetate tows, and has stronger applicability.
附图说明Description of drawings
图1为本发明功能性二醋酸纤维素丝束涂布系统实施例的结构示意图。Fig. 1 is a schematic structural view of an embodiment of a coating system for functional cellulose diacetate tow of the present invention.
附图标记如下：The reference signs are as follows:
1-原液存储单元，2-输送管路，3-输送泵，4-第一分管，5-第二分管，6-第一涂布口，7-第二涂布口，8-第一流量计，9-第二流量计，10-接液盒，11-回流管，12-防液盖，13-侧板，14-第一长方形孔，15-第二长方形孔。1-stock solution storage unit, 2-delivery pipeline, 3-delivery pump, 4-first branch pipe, 5-second branch pipe, 6-first coating port, 7-second coating port, 8-first flow rate Meter, 9-the second flow meter, 10-the liquid receiving box, 11-the return pipe, 12-the liquid-proof cover, 13-side plate, 14-the first rectangular hole, 15-the second rectangular hole.
具体实施方式Detailed ways
以下结合附图和具体实施例对本发明的技术方案做进一步详细说明。The technical solutions of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
如图1所示，一种功能性二醋酸纤维素丝束涂布系统，包括原液存储单元1、原液输送单元和涂布单元。As shown in Figure 1, a functional cellulose diacetate tow coating system includes a stock solution storage unit 1, a stock solution delivery unit and a coating unit.
原液存储单元1用于存储功能物质原液，原液存储单元1可为带有搅拌器的储液罐，搅拌器可以使功能物质原液一直处于均匀状态。储液罐上方设有密封盖，密封盖的中部设有可视化窗口。密封盖材质可选择不锈钢材质，用于防止灰尘落入储液罐而污染原液；可视化窗口的材质一般为玻璃，可透过玻璃窗口实时观察储液罐中的原液状态及原液余量。The stock solution storage unit 1 is used to store the stock solution of the functional substance. The stock solution storage unit 1 can be a liquid storage tank with a stirrer, and the stirrer can keep the stock solution of the functional substance in a uniform state. A sealing cover is arranged above the liquid storage tank, and a visual window is arranged in the middle of the sealing cover. The material of the sealing cover can be made of stainless steel, which is used to prevent dust from falling into the liquid storage tank and contaminating the original liquid; the material of the visualization window is generally glass, through which the state of the original liquid in the liquid storage tank and the remaining amount of the original liquid can be observed in real time.
原液输送单元包括输送管路2和设置在输送管路2上的输送泵3。输送管路2的入口端连接原液存储单元1，输送管路2入口处还设有过滤器，用于过滤原液中的杂质，以防对丝束质量造成影响。出口端设有第一分管4和第二分管5，第一分管4和第二分管5上分别设有第一流量计8和第二流量计9，用于控制功能物质原液的输出量。The raw liquid delivery unit includes a delivery pipeline 2 and a delivery pump 3 arranged on the delivery pipeline 2 . The inlet end of the delivery pipeline 2 is connected to the raw liquid storage unit 1, and a filter is provided at the inlet of the delivery pipeline 2 to filter impurities in the raw solution so as not to affect the quality of the tow. The outlet end is provided with a first branch pipe 4 and a second branch pipe 5, and the first branch pipe 4 and the second branch pipe 5 are respectively provided with a first flow meter 8 and a second flow meter 9 for controlling the output volume of the functional material stock solution.
涂布单元包括侧板13，及安装在侧板13上的第一涂布口6和第二涂布口7，以及接液盒10和防液盖12。侧板13上设有竖直的第一长方形孔14和第二长方形孔15，第一涂布口6通过螺母穿过第一长方形孔14固定于侧板13上，第二涂布口7通过螺母穿过第二长方形孔15固定于侧板13上。The coating unit includes a side plate 13 , a first coating port 6 and a second coating port 7 installed on the side plate 13 , a liquid receiving box 10 and a liquid-proof cover 12 . The side plate 13 is provided with a vertical first rectangular hole 14 and a second rectangular hole 15, the first coating port 6 passes through the first rectangular hole 14 and is fixed on the side plate 13 through a nut, and the second coating port 7 passes through The nut passes through the second oblong hole 15 and is fixed on the side plate 13 .
第一涂布口6和第二涂布口7的入口端分别与第一分管4和第二分管5的出口端连接，第一涂布口6和第二涂布口7分别位于待加工的二醋酸纤维素丝束的上下两侧并与其表面接触；第一涂布口6和第二涂布口7相对于第一长方形孔14和第二长方形孔15的位置可上下调节，以此调节涂布口与代加工二醋酸纤维素丝束表面的接触程度。第一涂布口6和第二涂布口7的出口端分别为细长结构的出液口，出液口的宽度与待加工的二醋酸纤维素丝束的宽度一致。The inlet ports of the first coating port 6 and the second coating port 7 are respectively connected with the outlet ports of the first branch pipe 4 and the second branch pipe 5, and the first coating port 6 and the second coating port 7 are respectively located at the The upper and lower sides of the cellulose diacetate tow are in contact with the surface; the positions of the first coating port 6 and the second coating port 7 relative to the first rectangular hole 14 and the second rectangular hole 15 can be adjusted up and down, thereby adjusting The degree of contact between the coating port and the surface of the processed cellulose diacetate tow. The outlet ends of the first coating port 6 and the second coating port 7 are respectively elongated liquid outlets, and the width of the liquid outlets is consistent with the width of the cellulose diacetate tow to be processed.
接液盒10设置在侧板下方且与侧板连接，用于接收多余的功能物质原液；接液盒10与原液存储单元1之间通过回流管11连接，接液盒10中的原液通过回流管11回到原液存储单元1中进行循环再利用，进而提高原液的利用率。防液盖12位于侧板上方且与侧板连接，用于防止功能物质原液外溅。The liquid receiving box 10 is arranged under the side plate and is connected with the side plate, and is used to receive excess functional substance stock solution; the liquid receiving box 10 is connected to the stock solution storage unit 1 through a return pipe 11, and the stock solution in the liquid receiving box 10 is passed through the back flow The tube 11 is returned to the stock solution storage unit 1 for recycling, thereby improving the utilization rate of the stock solution. The liquid-proof cover 12 is located above the side plate and is connected with the side plate, and is used to prevent the original liquid of the functional material from splashing out.
本实施例还提供了一种功能性二醋酸纤维素丝束涂布工艺，该涂布工艺包括以下步骤：Present embodiment also provides a kind of functional cellulose diacetate tow coating process, and this coating process comprises the following steps:
1】根据设计要求将提前配制好的功能物质原液置于原液存储单元1内。功能物质原液可为染料原液、香料原液、由抗氧化物质配制的原液中的一种原液或多种原液的混合液。或者也可根据实际需求配置相应的功能物质原液。1] Place the pre-prepared stock solution of functional substances in the stock solution storage unit 1 according to the design requirements. The stock solution of the functional substance can be one stock solution or a mixture of stock solutions of dye stock solution, spice stock solution, and stock solution prepared from antioxidant substances. Alternatively, corresponding functional substance stock solutions can also be configured according to actual needs.
2】将二醋酸纤维素丝束置于第一涂布口6和第二涂布口7之间，使得第一涂布口6和第二涂布口7分别位于二醋酸纤维素丝束的上下两侧，分别调整好第一涂布口6及第二涂布口7与二醋酸纤维素丝束的接触程度，具体接触程度依据二醋酸纤维素丝束的实际功能性需求而定。2] Place the cellulose diacetate tow between the first coating port 6 and the second coating port 7, so that the first coating port 6 and the second coating port 7 are respectively located at the sides of the cellulose diacetate tow On the upper and lower sides, adjust the degree of contact between the first coating port 6 and the second coating port 7 and the cellulose diacetate tow, and the specific contact degree depends on the actual functional requirements of the cellulose diacetate tow.
3】设置二醋酸纤维素丝束的运行速度，及第一流量计8和第二流量计9的原液输出量；本实施例中，二醋酸纤维素丝束的运行速度为400m/min～750m/min，第一流量计8和第二流量计9的原液输出量也依据二醋酸纤维素丝束的实际功能性需求而定。3] Set the running speed of cellulose diacetate tow, and the stock solution output of the first flowmeter 8 and the second flowmeter 9; in this embodiment, the running speed of cellulose diacetate tow is 400m/min～750m /min, the raw liquid output of the first flowmeter 8 and the second flowmeter 9 is also determined according to the actual functional requirements of cellulose diacetate tow.
4】启动输送泵3，从而实现功能物质原液在二醋酸纤维素丝束上的涂布。4] Start the delivery pump 3, so as to realize the coating of the functional substance stock solution on the cellulose diacetate tow.
本实施例还提供了一种功能性二醋酸纤维素丝束的制备方法，可将上述涂布工艺直接应用于纺丝后的工序中，具体包括以下步骤：This embodiment also provides a preparation method of functional cellulose diacetate tow, the above-mentioned coating process can be directly applied to the post-spinning process, which specifically includes the following steps:
A】通过纺丝系统制备得到二醋酸纤维素丝束中间品，此步骤按照常规生产工艺即可。A] The intermediate product of cellulose diacetate tow is prepared through the spinning system, and this step can be carried out according to the conventional production process.
B】采用本发明的涂布工艺涂布得到功能性二醋酸纤维素丝束中间品。B] Apply the coating process of the present invention to obtain a functional cellulose diacetate tow intermediate product.
C】将功能性二醋酸纤维素丝束中间品依次经卷曲、干燥、摆丝后得到功能性二醋酸纤维素丝束成品。C] The intermediate product of functional cellulose diacetate tow is crimped, dried, and spun to obtain the finished product of functional cellulose diacetate tow.
本实施例分别选用了染料、香料、维生素E、杏仁皮提取物、陈皮提取物，基于本发明的涂布系统及制备方法得到了不同功能的二醋酸纤维素丝束，具体为：In this embodiment, dyes, spices, vitamin E, almond bark extract, and tangerine peel extract were respectively selected, and cellulose diacetate tows with different functions were obtained based on the coating system and preparation method of the present invention, specifically:
①染料，浓度范围0.1％-20％；流量：0-10L/h，采用本发明的制备方法得到的彩色二醋酸纤维素丝束色彩鲜艳且无异味。①Dye, the concentration range is 0.1%-20%; the flow rate: 0-10L/h, the colored cellulose diacetate tow obtained by the preparation method of the present invention is bright in color and has no peculiar smell.
②食用香料原液，浓度范围0.1％-10％；流量0-10L/h，采用本发明的制备方法得到的二醋酸纤维素丝束具有淡淡的香气。②Food spice stock solution, the concentration range is 0.1%-10%; the flow rate is 0-10L/h, and the cellulose diacetate tow obtained by the preparation method of the present invention has a faint fragrance.
③维生素E，浓度范围0.1％-10％；流量：0-10L/h，采用本发明的制备方法得到的含有维生素E的二醋酸纤维素丝束具有抗氧化、清除自由基的作用，将该种丝束用作烟用滤棒，可以有效降低烟气中的有害成分。3. Vitamin E, concentration range 0.1%-10%; Flow rate: 0-10L/h, the cellulose diacetate tow containing vitamin E obtained by the preparation method of the present invention has the effect of anti-oxidation and free radical scavenging. The seed tow is used as a filter rod for cigarettes, which can effectively reduce harmful components in the smoke.
④杏仁皮提取物，浓度0.1％-10％；流量：0-10L/h，采用本发明的制备方法得到的含有杏仁皮提取物的二醋酸纤维素丝束具有抗氧化、清除自由基的作用，将该丝束用作烟用滤棒，可有效降低烟气中的有害成分。④Almond bark extract, concentration 0.1%-10%; flow rate: 0-10L/h, the cellulose diacetate tow containing almond bark extract obtained by the preparation method of the present invention has the effect of anti-oxidation and free radical scavenging The tow is used as a filter rod for cigarettes, which can effectively reduce the harmful components in the smoke.
⑤陈皮提取物，浓度0.1％-10％；流量：0-15L/h，采用本发明的制备方法得到的含有陈皮提取物的二醋酸纤维素丝束具有抗氧化、清除自由基的作用。⑤ tangerine peel extract, concentration 0.1%-10%; flow rate: 0-15L/h, the cellulose diacetate tow containing tangerine peel extract obtained by the preparation method of the present invention has the effects of anti-oxidation and free radical scavenging.
以上实施例仅为示例性说明本发明的技术方案，本领域的技术人员基于本发明的构思对本实施例所做的变化和变形均视为落入本发明的保护范围内。The above embodiments are only illustrative technical solutions of the present invention, and changes and deformations made by those skilled in the art based on the concept of the present invention are deemed to fall within the protection scope of the present invention.
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