WO2020034284A1 - 一种染制纯天然彩色纸的生产方法 - Google Patents

一种染制纯天然彩色纸的生产方法 Download PDF

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WO2020034284A1
WO2020034284A1 PCT/CN2018/104663 CN2018104663W WO2020034284A1 WO 2020034284 A1 WO2020034284 A1 WO 2020034284A1 CN 2018104663 W CN2018104663 W CN 2018104663W WO 2020034284 A1 WO2020034284 A1 WO 2020034284A1
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dyeing
paper
pure natural
liquid
natural
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PCT/CN2018/104663
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English (en)
French (fr)
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何炽斌
何欣洋
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何炽斌
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines

Definitions

  • the present invention relates to the technical field of light industry papermaking, and in particular, to a method for producing dyed pure natural colored paper.
  • the purpose of the present invention is to provide a production method for dyeing pure natural colored paper to solve the shortcomings of the prior art.
  • the technical solution is as follows:
  • a production method for dyeing pure natural colored paper includes the following steps:
  • Configuration of pure natural dyeing solution choose plants rich in pigments as raw materials for dyeing paper, and choose plants with higher viscosity as raw materials for natural dyeing fixatives.
  • the pigment-rich plants are dragon fruit , Strawberry, wild fruit, pomegranate, isatis root, bluegrass, ginseng fruit, yam, turmeric, safflower, gardenia, madder, Schisandra chinensis, southern candle leaf, gardenia, hebark or comfrey
  • the ginseng fruit or yam one or any combination of the skins, roots, stems, leaves, or fruits of one or any combination of pigment-rich plants or high-viscosity plants selected is washed thoroughly, and obtained by extraction and filtration Paper dyeing dyes or natural dyeing fixing agents, mixing the paper dyeing dyes and natural dyeing fixing agents into a pure natural dyeing solution;
  • Preparation of white paper products Wet white paper pulp or dry white paper rolls are dyed on a felt web belt that can support paper products.
  • the wet white paper pulp is passed through the net of a papermaking machine and is dyed.
  • the number of wet paper layers is 1 when the wet paper is pressed after dyeing.
  • the dry white paper roll is a wet paper roll made by a paper machine and then dried and rolled into a white paper roll.
  • the number of layers of dry paper ranges from 1 to 6 layers. First, roll 1 to 6 layers of paper rolls into a whole and dye them as a whole.
  • Direct injection dyeing Direct injection dyeing of the paper product described in step S2 with the pure natural dyeing solution described in step S1, without adding any chemical dyes and chemical additives, adjust the direct injection dyeing according to the paper door width
  • Step S6 The remaining liquid of the dyeing liquid collected by the dehydration and water absorption device is filtered and then returned to the refluxing water storage tank through a reflux pump.
  • the liquids are mixed according to a certain flow ratio, and then selectively pass through a filtering device and a physical defoaming device.
  • the dyeing liquid obtained after the physical defoaming is used again for the direct injection dyeing in step S3.
  • This technical solution uses a new pure natural dyeing process to replace the traditional chemical dyeing paper dyeing method.
  • the dyeing process does not add any chemical dye to complete the paper dyeing, which solves the problems of pollution and health impact of traditional chemical dyeing. ;
  • the new pure natural direct injection dyeing process can also solve the existing The problems of high cost, large production batch and so on exist in the dyeing of natural dye paper.
  • This technical solution can provide consumers with natural and healthy colored paper products in batches. After dyeing the paper products, they have a color that is very eye-catching in nature.
  • the natural dye solution made of fruit plants is rich in polyphenols and is very beneficial to the human body.
  • the ingredients make the paper products have a good skin care function; a layer of natural active pectin will form on the back surface of the paper products, giving the paper products excellent toughness. Pure natural dyed paper is one of the most sustainable and environmentally friendly products in the colored paper industry.
  • FIG. 1 is a process flow chart 1 of the present invention.
  • FIG. 2 is a process flow chart 2 of the present invention.
  • FIG. 3 is a schematic diagram of the recycling use and replenishment of the dye liquor of the present invention.
  • the invention selects a natural fruit plant with a high pigment content as a raw material for natural dyeing, selects a natural material with a high viscosity as a fixing agent for natural dyeing, avoids the use of chemical auxiliary agents such as a large number of chemical fixing agents, and solves the pollution and pollution of chemical dyeing. Problems affecting health; this technical solution chooses a new direct injection dyeing method. This method sprays white paper products with pure natural dyeing liquid before drying on the papermaking machine. The spray method avoids the use of a large amount of defoamer.
  • the pure natural dyeing liquid is pumped into a certain number, a certain number of liquid outlets, and a suitable nozzle shape and size of the spray pipe A by a pressure pump, so as to achieve the control of the amount of liquid sprayed, the cost control, Control the color fastness, and complete the dyeing production of paper products with high quality without using chemical additives. It solves the problem that the existing colored paper is mixed with the slurry and the dyeing liquid to color and the production batch is large.
  • the position A of the natural dyeing liquid spraying pipe, the position B of the stripping agent spraying pipe, and the position C of the drying device are shown in Figure 1.
  • the position A of the pure natural dyeing liquid spraying pipe must be placed on the paper peeling Before the spraying pipe B of the separating agent, and then to the drying device C, in order to realize the natural dyeing process without any chemical additives that affect the color of the paper, and to ensure the uniformity and fastness of dyeing;
  • the ready-to-use method finishes spraying and dyeing paper products immediately after the dyeing solution of natural fruit plants with high pigment content is completed, avoiding the use of chemical additives such as a large amount of preservatives and mordants.
  • a new production method of pure natural dyed colored paper which specifically includes the following technical scheme and process steps: S1. Preparation of pure natural dye liquor; S2. Preparation of white paper products; S3. Direct injection dyeing; S4. Addition of peeling agents; S5. Drying; S6. Dye liquor residual liquid collection; S7. Dye liquor recycling and replenishment; S8. Rolling.
  • the preparation of the pure natural dyeing liquid as described in step S1 selecting various pigment-rich fruit plants grown in nature as dyes for paper dyeing, and the selected fruit plants containing one or more kinds of higher viscosity Fruit plant as a natural dye fixative.
  • Highly pigmented fruit plants specifically include pitaya, strawberry, wild fruit, pomegranate, isatis root, bluegrass, ginseng fruit, yam, turmeric, safflower, gardenia, madder, schisandra, southern candle leaf, gardenia, hematoxylin and Comfrey, specific application of dragon fruit, strawberry, wild fruit, pomegranate, isatis root, bluegrass, ginseng fruit, yam, turmeric, safflower, gardenia, madder, schisandra, southern candle leaf, gardenia, hemp tree and comfrey Bark, root, stem, leaf, fruit; fruit plants with high viscosity as natural dye fixing agents include but are not limited to ginseng fruit and yam.
  • the natural dye solution After washing the selected fruit plants, the natural dye solution is obtained by extraction, and then the natural dye solution is filtered once or more to further remove impurities in the dye solution.
  • This technical solution adopts a ready-to-use method, and the paper is spray-dyeed after the dye solution is opened, thereby avoiding the use of a large number of chemical additives such as preservatives and mordants.
  • the preparation of the white paper product described in step S2 includes two forms of wet white pulp and dry white paper roll, wherein the wet white pulp is passed through a papermaking machine
  • the wet part of the net part (as shown in the position F in FIG. 1) and the pressed wet paper, the number of layers of the wet paper can only be 1 layer when dyeing, as shown in the position D in FIG. 1; dry white paper
  • the roll is a white paper roll made by a papermaking machine and then dried and rolled.
  • the number of layers of dry paper during dyeing ranges from 1 to 6 layers.
  • the positions of N1 to N6 shown in Fig. 1) are dyed as a whole.
  • the white paper product enters the felt net belt of the L supportable paper product as shown in FIG. 1 or FIG. 2 for dyeing.
  • this technical solution uses a pure natural dyeing solution to directly spray white paper products, and the pure natural dyeing solution contains a highly viscous fruit plant as a natural dyeing fixing agent , No chemical dyes and chemical additives are added to the dyeing solution; then the pure natural dyeing solution is pumped into the spray pipe A shown in FIG. 1 with a pressure pump, and the number of the spray pipe A ranges from 1 to 10
  • the number of tubes is proportional to the speed of dyeing. The higher the speed, the more tubes there are.
  • the number of liquid outlets on each tube ranges from 3 to 20 spray outlets and the number of liquid outlets. The number is directly proportional to the spray volume and the dyeing width of the paper product.
  • the addition of the stripping agent described in step S4 is the position of B shown in FIG. 1 is the position of the stripping agent adding tube, which is not added after the spraying pipe A and before the drying device C and before spraying Chemical substances, so that the pure natural dyeing solution and pulp are not directly affected by any chemical interference, and directly colored to ensure the uniformity and fastness of dyeing.
  • the position C shown in Figure 1 and Figure 2 is a drying device, including but not limited to a roller or an oven
  • the position of the drying and drying device C is after the spray pipe A and the stripping agent adding pipe B, but before the dewatering device of the felt net belt (such as the position E shown in FIG. 1 and FIG. 2).
  • the remaining liquid of the dyeing liquid is collected in step S6: after the pulp is colored, it is supported by the felt net belt to the drying drum device, and the wet felt net belt still carries a large amount of dyeing liquid.
  • This technical solution At position E in Figures 1 and 2 and under the felt mesh belt, add a completely separate dewatering and suction device for the recovery pipe.
  • the number of dewatering and suction device E ranges from 1 to 3 to ensure that the wet felt mesh belt passes
  • the amount of water after dewatering and absorption device E ranges from 5% to 30%; the wet felted mesh belt with a small amount of water is continued to be rinsed with clean water at position K in Figures 1 and 2, and the return water generated by the flushing cannot be recycled.
  • the system is treated as sewage entering the sink.
  • the dye liquor recycling device of this technical solution is recycled as shown in FIG. 3, and includes E, G, H, I, J, and K devices.
  • the residual liquid of the dyeing liquid collected by S6 dehydration and water absorption device E is filtered by a reflux pump and flows to the refluxing water storage tank G, the dyeing liquid mother liquid tank H as shown in FIG. 3 and the recovered liquid in the refluxing water storage tank G.
  • a certain flow ratio is mixed, and then selectively passes through the filtering device I and the physical defoaming device J, and the dyeing liquid after the physical defoaming is again used for the direct spray dyeing in step S3 (as shown in FIG. 1 and FIG. 2A).
  • step S8 (such as the M position in FIG. 1 and FIG. 2) and the packaged product described in step S9, a natural and healthy high-quality pure natural dyed colored paper is produced.
  • a new method for producing pure natural dyed colored paper Taking a paper pulp as a raw material as an example, a new method for producing paper products using pure natural dyes is described.
  • dragon fruit is selected as the paper product.
  • For dyeing dyes choose the high-viscosity yam as the natural dyeing fixer. Rinse the selected dragon fruit and yam well, obtain the natural dye solution by extraction, and then filter the natural dye solution once and further remove it. Impurities in the dye liquor. After the dye solution is opened, the paper product is spray-dyeed.
  • the white paper product before dyeing is selected and passed through the net portion of the papermaking machine (as shown in position F in FIG. 1) and pressed after the wet white pulp is dyed.
  • the number of layers of the wet paper is 1 layer, as shown in the position D in FIG. 1.
  • the white paper product enters the woolen mesh belt of the L-supportable paper product as shown in FIG. 1.
  • the direct-jet dyeing is performed.
  • the number of the spray pipe A is one, and the number of the liquid outlets opened on each pipe is 20, and the pure natural dyeing liquid sprayed on the paper product Amount:
  • a release agent is added at the position B shown in FIG. 1.
  • the residual liquid of the dyeing liquid collected by the dehydration and water absorption device E After the residual liquid of the dyeing liquid collected by the dehydration and water absorption device E is filtered, it flows through the reflux pump to the reflux water storage tank G, the dyeing mother liquid tank H, and the recovered liquid in the reflux water storage tank G as shown in FIG. 3. A certain flow ratio is mixed, and then selectively passes through the filtering device I and the physical defoaming device J, and the physical defoaming dyeing liquid is again used for direct injection dyeing as shown in A of FIG. 1. Finally, through rolling (such as the position M in FIG. 1) and packaging, a natural and healthy high-quality pure natural dyed colored drawn paper finished product is produced.
  • a new method for producing pure natural dyed colored paper using a bamboo pulp as a raw material for toilet roll paper as an example, illustrates a new method for producing paper products using pure natural dyes: first select the pomegranate skin and Gardenia fruit is used as a paper dyeing dye, and ginseng fruit and yam which are relatively viscous are selected as natural color fixing agents. The selected pomegranate skin, gardenia fruit, ginseng fruit and yam are washed and washed to obtain natural The dye solution is then filtered twice to remove impurities from the dye solution. After the dye solution is opened, the paper product is spray-dyeed.
  • the white paper product before dyeing is selected and passed through the net portion of the papermaking machine (as shown in position F in FIG. 1) and pressed after the wet white pulp is dyed.
  • the number of layers of the wet paper is 1 layer, as shown in the position D in FIG. 1.
  • the white paper product enters the woolen mesh belt of the L-supportable paper product as shown in FIG. 1.
  • the direct-jet dyeing is performed.
  • the spray pipe A the number of the spray pipe A is two, and the number of the liquid outlets opened on each pipe is six.
  • the spray natural liquid is sprayed on the paper product.
  • Amount: Paper weight 2: 1, the shape of the liquid outlet of the spray pipe A is round, and the diameter of the spray port is 3mm.
  • a release agent is added at the position B shown in FIG. 1.
  • the pure natural dye liquor and pulp are colored, they enter the roller drying device shown in the position C in FIG. 1.
  • the remaining liquid of the dyeing liquid generated after dyeing needs to be collected.
  • a completely separate dewatering and water absorption device is added for recycling.
  • the number of dewatering and water absorption device E is one to ensure a wet state.
  • the amount of water in the felt net belt is about 10%; the wet felt net belt with a small amount of water is continued to be rinsed with clean water at position K in Figure 1.
  • the return water generated by the rinse cannot enter the recycling system. Treated as sewage entering the sink.
  • the residual liquid of the dyeing liquid collected by the dehydration and water absorption device E After the residual liquid of the dyeing liquid collected by the dehydration and water absorption device E is filtered, it flows through the reflux pump to the reflux water storage tank G, the dyeing mother liquid tank H, and the recovered liquid in the reflux water storage tank G as shown in FIG. 3. A certain flow ratio is mixed, and then selectively passes through the filtering device I and the physical defoaming device J, and the physical defoaming dyeing liquid is again used for direct injection dyeing as shown in A of FIG. 1. Finally, through rolling (such as the position M in FIG. 1) and packaging, a natural healthy high-quality pure natural dyed colored sanitary rolled paper product is produced.
  • a new method for producing pure natural dyed colored paper Taking a paper pulp as a raw material as an example, a new method for producing paper products using pure natural dyes is described.
  • strawberries and safflowers are selected as Paper dyeing dyes, choose ginseng fruit and yam with high viscosity as the natural color fixing agent, rinse the selected strawberries, safflower, ginseng fruit and yam clean, get the natural dyeing liquid through extraction, and then dye the natural dye
  • the solution was filtered once to further remove impurities in the dye solution. After the dye solution is opened, the paper is spray-dyeed.
  • the white paper before dyeing is selected from a wet paper made by a paper machine and then dried and rolled into a white paper roll.
  • the number of dry paper layers is 1 when dyeing.
  • the white paper product enters the felt net belt of the L-supportable paper product as shown in FIG. 2.
  • the direct-jet dyeing is performed.
  • the number of the spray pipe A is two, and the number of the liquid outlets opened on each pipe is eight.
  • the spray natural liquid is sprayed on the paper product.
  • Amount: Paper weight 3: 1, the shape of the liquid outlet of the spray pipe A is selected to be mist, and the diameter of the spray port is 2mm.
  • a release agent is added at the position B shown in FIG. 2. After the pure natural dye liquor and pulp are colored, they enter the roller drying device shown in the position C in FIG. 2.
  • the remaining liquid of the dyeing liquid generated after dyeing needs to be collected.
  • a completely separate dewatering and water absorption device is added for recycling.
  • the number of dewatering and water absorption device E is 2 to ensure a wet state.
  • the amount of water in the felt net belt is about 5%; the wet felt net belt with a small amount of water is continued to be rinsed with clean water at position K in Figure 2.
  • the return water generated by the rinse cannot enter the recycling system. Treated as sewage entering the sink.
  • the residual liquid of the dyeing liquid collected by the dehydration and water absorption device E After the residual liquid of the dyeing liquid collected by the dehydration and water absorption device E is filtered, it flows through the reflux pump to the reflux water storage tank G, the dyeing mother liquid tank H, and the recovered liquid in the reflux water storage tank G as shown in FIG. 3. A certain flow ratio is mixed, and then selectively passes through the filtering device I and the physical defoaming device J, and the physical defoaming dyeing liquid is again used for direct injection dyeing as shown in A of FIG. 2. Finally, through rolling (such as the position M in FIG. 2) and packaging, a natural and healthy high-quality pure natural dyed colored drawn paper finished product is produced.
  • a new method for producing pure natural dyed colored paper Taking a bamboo pulp as a raw material as an example, a new method for producing paper products using pure natural dyes is described. Firstly, isatis root and bluegrass are selected as Dyes used for paper dyeing, choose high-viscosity dioscorea as the natural dye fixing agent, rinse the selected isatis root, bluegrass and yam, clean up the natural dye solution by extraction, and then perform the natural dye solution twice Filter and further remove impurities in the dye solution. After the dye solution is opened, the paper product is spray-dyeed. The white paper product before dyeing is selected and passed through the net portion of the papermaking machine (as shown in position F in FIG.
  • the number of layers of the wet paper is 1 layer, as shown in the position D in FIG. 1.
  • the white paper product enters the woolen mesh belt of the L-supportable paper product as shown in FIG. 1.
  • the direct-jet dyeing is performed.
  • a release agent is added at the position B shown in FIG. 1.
  • the residual liquid of the dyeing liquid collected by the dehydration and water absorption device E After the residual liquid of the dyeing liquid collected by the dehydration and water absorption device E is filtered, it flows through the reflux pump to the reflux water storage tank G, the dyeing liquid mother liquid tank H, and the recovered liquid in the reflux water storage tank G as shown in FIG. 3. A certain flow ratio is mixed, and then selectively passes through the filtering device I and the physical defoaming device J, and the physical defoaming dyeing liquid is again used for direct injection dyeing as shown in A of FIG. 1. Finally, after rolling (such as the position M in FIG. 1) and packaging, a natural and healthy high-quality pure natural dyed colored drawn paper finished product is produced.
  • a new method for producing pure natural colored paper is described.
  • a paper pulp as a raw material as an example
  • a new method for producing paper products using pure natural dyes is described.
  • wild mountain fruit and gardenia are selected.
  • a dye for paper dyeing choose a high-viscosity dioscorea as a natural dyeing fixative.
  • Rinse the selected wild fruit, gardenia and yam and extract the natural dyeing solution by extraction. Filter once to further remove impurities in the dye solution.
  • the paper is spray-dyeed.
  • the white paper before dyeing is selected from a wet paper made by a paper machine and then dried and rolled into a white paper roll.
  • the number of dry paper layers is 6 when dyeing. Layer, firstly integrate the 6 layers of paper rolls (as shown in the position of N1 to N6 in Figure 2), and dye them as a whole.
  • the white paper product enters the felt net belt of the L-supportable paper product shown in FIG. 2 for direct spray dyeing.
  • the pure natural dyeing liquid is pumped into the spray pipe A shown in FIG. 2 using a pressure pump.
  • a release agent is added at the position B shown in FIG. 2.
  • the pure natural dye liquor and pulp are colored, they enter the roller drying device shown in the position C in FIG. 2.
  • the remaining liquid of the dyeing liquid after dyeing needs to be collected.
  • a completely separate dewatering and water absorption device is added at the position E in Figure 2 and under the felt mesh belt.
  • the number of dewatering and water absorption device E is one to ensure a wet state.
  • the amount of water in the felt net belt is about 5%; the wet felt net belt with a small amount of water is continued to be rinsed with clean water at position K in Figure 2.
  • the return water generated by the rinse cannot enter the recycling system. Treated as sewage entering the sink.
  • the residual liquid of the dyeing liquid collected by the dehydration and water absorption device E After the residual liquid of the dyeing liquid collected by the dehydration and water absorption device E is filtered, it flows through the reflux pump to the reflux water storage tank G, the dyeing mother liquid tank H, and the recovered liquid in the reflux water storage tank G as shown in FIG. 3. A certain flow ratio is mixed, and then selectively passes through the filtering device I and the physical defoaming device J, and the physical defoaming dyeing liquid is again used for direct injection dyeing as shown in A of FIG. 2. Finally, through rolling (such as the position M in FIG. 2) and packaging, a natural and healthy high-quality pure natural dyed colored drawn paper finished product is produced.
  • a new method for producing pure natural dyed colored paper Taking a bamboo pulp as a raw material as an example, a new method for producing paper products using pure natural dyes is described: Turmeric and comfrey are selected first. Paper dyeing dyes, choose high-viscosity yam as a natural dyeing fixer, rinse the selected turmeric, comfrey and yam, and extract the natural dye solution by extraction, and then perform the natural dye solution 3 times Filter and further remove impurities in the dye solution. After the dye solution is opened, the paper product is spray-dyeed. The white paper product before dyeing is selected and passed through the net portion of the papermaking machine (as shown in position F in FIG. 1) and pressed after the wet white pulp is dyed.
  • the number of layers of the wet paper is 1 layer, as shown in the position D in FIG. 1.
  • the white paper product enters the woolen mesh belt of the L-supportable paper product as shown in FIG. 1.
  • the direct-jet dyeing is performed.
  • the spray pipe A the number of the spray pipe A is 10, and the number of the liquid outlets opened on each pipe is 3, and the pure natural dyeing liquid sprayed on the paper product Amount:
  • Paper weight 5: 1
  • the shape of the liquid outlet of the spray pipe A is selected to be mist, and the diameter of the spray port is 2mm.
  • a release agent is added at the position B shown in FIG. 1. After the pure natural dye liquor and pulp are colored, they enter the roller drying device shown in the position C in FIG.
  • the residual liquid of the dyeing liquid collected by the dehydration and water absorption device E After the residual liquid of the dyeing liquid collected by the dehydration and water absorption device E is filtered, it flows through the reflux pump to the reflux water storage tank G, the dyeing mother liquid tank H, and the recovered liquid in the reflux water storage tank G as shown in FIG. 3. A certain flow ratio is mixed, and then selectively passes through the filtering device I and the physical defoaming device J, and the physical defoaming dyeing liquid is again used for direct injection dyeing as shown in A of FIG. 1. Finally, through rolling (such as the position M in FIG. 1) and packaging, a natural and healthy high-quality pure natural dyed colored drawn paper finished product is produced.

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Abstract

一种染制纯天然彩色纸的生产方法，S1.纯天然染液的配置；S2.白色纸品的制备；S3.直喷染色；S4.剥离剂的加入；S5.烘干；S6.染色余液收集；S7.染液的循环使用和补给；S8.成卷。有益效果：采用新的纯天然染色工艺替代传统化工染料染色的纸品染色方法，染色过程不添加任何化工染料完成纸品的染色，解决了传统化学染料染色的污染和影响健康的问题；选择色素含量高的水果作为染色原料，实现纸品染色过程的纯天然性；选择粘性较高的水果植物作为天然染色的固色剂，解决了纯天然染色的染色牢度问题。

Description

一种染制纯天然彩色纸的生产方法 技术领域
本发明涉及轻工业造纸技术领域，特别是涉及一种染制纯天然彩色纸的生产方法。
背景技术
目前，传统的彩色纸多是用化工染料生产而成，常见方法包括：全彩印刷印色、涂刷法和色浆抄造生产色纸，其中全彩印刷印色就是在白色的纸巾上印各种花色或满地印色生产而成的彩色纸；涂刷法就是在白色的纸巾上用涂层的方法实现上色；色浆抄造生产色纸就是将碎解后的纤维浆料与染色染液进行混合并上色，将上述混合好的色浆经浆料流送系统上抄纸机进行抄造，经过上网脱水、成型、干燥、卷取，生产出传统的彩色纸。上述方法生产的彩色纸虽然炫彩多姿，但由于使用的化工印染物料对人体健康有害，特别是彩色餐巾纸，在让纸巾使用进入一个丰富多彩的彩色世界的同时、也给消费者带来健康风险。相关研究机构也曾经对天然染色彩色纸进行过相关研究，但由于天然染色的染料成本高、含杂质多、生产批量大、保鲜期短、染液容易起气泡等原因，生产过程中需要添加大量消泡剂、保鲜剂、媒染剂、酸、碱、化工固色剂等化工助剂进行染色，非常不环保，而且染后余液由于添加有大量化工助剂、没法实现染液余液的循环使用、造成天然染色彩色纸的成本极高、难以应用于大生产。
染彩色纸生产过程中不能添加任何化工助剂进行纯天然染色，目 前行业内仍然没有这种纯天然染色彩色纸的生产方法。其中的技术难题之一是天然染色的染液容易起气泡，传统工艺上浆料与染液进行混合上色时就不可避免大量使用消泡剂等化工助剂，抄造后制成的彩色纸就会出现臭味异味，影响产品的正常质量和销售使用；同时由于天然染色染液的保鲜期短，传统工艺上不可避免使用保鲜剂等化工助剂，又大大地影响了纯天然染色彩色纸的纯天然性能；加上传统混合上色是在大浆池中将浆料与染液进行混合好再用管道输送到各台抄造机上成纸，单色的生产批量大，不利于生产调度和产品销售接单；同时由于生产过程中不可避免大量使用了化工助剂，抄造机上的染液余液无法回收使用，纯天然彩色纸品的成本变得非常高，不利于天然健康产品的广泛应用。但随着人民生活质量的不断提高，象已被发达国家的人们普遍使用的彩色生活用纸一样，现代人对时尚与个性化生活的追求，越来越注重用纸的精美、华丽和视觉愉悦感，但这种产品在生产过程中大量使用化工合成染料，不仅会污染环境，对包装食品及身体接触也具有安全隐患。未来“绿色环保”的概念更深入人心，人们将更关注彩色纸的可持续发展，消费者对优质纸品的环保健康、产品的时尚度和性价比同时有越来越高的要求，但目前市场还没有能满足上述需求的纯天然染色的彩色纸产品。因此，提供一种新的纯天然染色彩色纸的生产方法很有必要。
发明内容
本发明的目的在于提供一种染制纯天然彩色纸的生产方法，以解决现有技术的不足，其技术方案如下:
一种染制纯天然彩色纸的生产方法，包括以下步骤：
S1.纯天然染液的配置：选择富含色素的植物作为纸品染色的染料的原料，选择粘性较高的植物作为天然染色的固色剂的原料，所述富含色素的植物为火龙果、草莓、野山果、石榴、板蓝根、蓝草、人参果、薯莨、姜黄、红花、诃子、茜草、五味子、南烛叶、栀子、苏木或紫草，所述粘性较高的植物为人参果或薯莨，将选择的一种或任意组合富含色素的植物或粘性较高的植物的皮、根、茎、叶或果中的一种或任意组合冲洗干净，通过萃取、过滤得到纸品染色的染料或天然染色的固色剂，将所述纸品染色的染料和天然染色的固色剂混合成纯天然染液；
S2.白色纸品的制备：选择湿状的白色纸浆或干状的白色纸卷进入可承托纸品的毛布网带上进行染色，所述湿状的白色纸浆为经过抄造机的网部并经过压榨后的湿纸，染色时，湿纸的层数为1层，所述干状的白色纸卷为经过抄造机制成的湿纸再经过烘干并已成卷的白色纸卷，染色时干纸的层数范围为1～6层，先将1～6层的纸卷轴併成一体，以一个整体进行染色；
S3.直喷染色：采用步骤S1所述的纯天然染液对步骤S2所述的纸品进行直喷染色，不添加任何化工染料和化工助剂，根据所述纸品门幅调整直喷染色的喷淋管数量，喷淋管的根数为1～10根，每根喷淋管上的出液口味3～20个，喷到纸品上的纯天然染液量：纸品重量＝(1～5):1，喷淋管喷出的纯天然染液控制为雾状、园孔状或片线状，喷淋口的直径范围为0.5～3mm；
S4.剥离剂的加入；
S5.烘干：将白色纸品通过毛布网带承托输入到辊筒或烘房的烘干；
S6.染色余液收集：在毛布网带下面增加回收管道完全独立的脱水吸水装置，以收集染液余液，脱水吸水装置的个数为1～3个，以确保毛布网带经过脱水吸水装置后带水量范围在5～30％；带水量已经很小的湿状毛布网带继续用清水冲洗，冲洗产生的回流水作为污水处理；
S7.染液的循环使用和补给：步骤S6脱水吸水装置收集的染液余液过滤后通过回流泵流到回流水储液池，染液母液池中的母液与回流水储液池中的回收液按一定的流量比例混合，再选择性经过过滤装置和物理消泡装置，物理消泡后获得的染色液再次供步骤S3直喷染色使用。
S8.成卷。
有益效果：本技术方案采用新的纯天然染色工艺替代传统化工染料染色的纸品染色方法，染色过程不添加任何化工染料完成纸品的染色，解决了传统化学染料染色的污染和影响健康的问题；选择色素含量高的水果作为染色原料，实现纸品染色过程的纯天然性；选择粘性较高的水果植物作为天然染色的固色剂，解决了纯天然染色的染色牢度问题；选择染色后和烘干前再进行剥离剂的加入，实现染色时纯天然染液与纸品的上染过程不会受到影响、实现均匀透底染色的目的；新的纯天然直喷染色工艺同时可解决现有天然染料纸品染色存在的 成本高、生产批量大等方面的问题。本技术方案能为消费者批量提供天然健康的彩色纸品产品，纸品染色后呈现出大自然原本非常养眼的色彩，水果植物制成的天然染液中富含多酚等对人体非常有益的成份、让纸品具有良好的护肤功能；纸品后表面会形成一层天然活性果胶，让纸品具有优良的韧度。纯天然染色染成的纸品是彩色纸品行业可持续发展最优秀、最环保的产品之一。
附图说明
构成本申请的一部分的说明书附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为本发明的工艺流程图1。
图2为本发明的工艺流程图2。
图3为本发明的染液的循环使用和补给的示意图。
具体实施方式
以下内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明,需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
本发明选择色素含量高的天然水果植物作为天然染色的原料、选择粘性较高的天然材料作为天然染色的固色剂、避免使用大量化工固色剂等化工助剂，解决了化学染色的污染和影响健康的问题；本技术方案选择的是一种新的直喷染色方法，这种方法在抄造机上烘干前对 白色纸品喷淋纯天然染液，喷淋方法避免了使用大量消泡剂，同时用压力泵将纯天然染液泵入一定根数、一定出液口个数和合适的出液口形状尺寸的喷淋管A内，从而实现喷液量的控制、成本的控制、固色牢度的控制，并在不使用化工助剂情况下高品质完成纸品的染色生产，解决现有彩色纸采用浆料与染液混合上色而出现生产批量大才方便生产的问题；纯天然染液喷淋管道的位置A、剥离剂的喷淋管道的位置B和烘干装置的位置C如附图1所示，纯天然染液喷淋管道的位置A必须放置在纸张剥离剂的喷淋管道B之前、再到烘干装置C，以实现纯天然染色过程中没有任何影响纸品上色的化工助剂，并确保染色的均匀度和染色牢度；本方案利用即开即用的方式、完成色素含量高的天然水果植物的染色液制成后马上进行纸品的喷淋染色，避免了使用大量保鲜剂和媒染剂等化工助剂；同时由于染后余液没有添加任何影响染色的化工助剂、如附图3所示实现染液余液的循环使用、采用新的过滤回收天然染液实现染液余液可循环使用的技术方案，解决染色后染液余液大量流失造成的污染和高成本的问题、大大降低天然染色彩色纸的生产成本。
一种新的纯天然染色彩色纸的生产方法，具体包括如下技术方案工艺步骤：S1.纯天然染液配制；S2.白色纸品的制备；S3.直喷染色；S4.剥离剂的加入；S5.烘干；S6.染液余液收集；S7.染液的循环使用和补给；S8.成卷。
优选的，步骤S1所述的纯天然染液配制：选择大自然中生长的各种富含色素的水果植物作为纸品染色的染料，选择的水果植物中含 有一种或一种以上粘性较高的水果植物作为天然染色的固色剂。色素含量高的水果植物具体指火龙果、草莓、野山果、石榴、板蓝根、蓝草、人参果、薯莨、姜黄、红花、诃子、茜草、五味子、南烛叶、栀子、苏木和紫草，具体应用火龙果、草莓、野山果、石榴、板蓝根、蓝草、人参果、薯莨、姜黄、红花、诃子、茜草、五味子、南烛叶、栀子、苏木和紫草的皮、根、茎、叶、果；作为天然染色固色剂粘性较高的水果植物包括但不限于人参果和薯莨。将选择好的水果植物冲洗干净后，通过萃取获得天然染液，然后对天然染液进行1次或1次以上的过滤、进一步去除染液中的杂质。本技术方案采用即开即用的方式、开好染液后即进行纸品的喷淋染色，避免了使用大量保鲜剂和媒染剂等化工助剂。
优选的，步骤S2中所述的白色纸品的制备：染色前的白色纸品的类型包括湿状的白色纸浆和干状的白色纸卷两种形式，其中湿状的白色纸浆为经过抄造机的网部(如附图1所示F的位置)并经过压榨后的湿纸，染色时湿纸的层数只能为1层,如附图1所示D的位置；干状的白色纸卷为经过抄造机制成的湿纸再经过烘干并已成卷的白色纸卷，染色时干纸的层数范围为1～6层，先将1～6层的纸卷轴併成一体(如附图1所示N1～N6的位置)，以一个整体进行染色。白色纸品进入如附图1或附图2所示的L可承托纸品的毛布网带上，进行染色。
优选的，步骤S3中所述的直喷染色：本技术方案采用的是纯天然染液对白色纸品进行直喷，纯天然染液中含有粘性较高的水果植物 作为天然染色的固色剂，染液中不添加任何化工染料和化工助剂；然后用压力泵将纯天然染液泵入附图1所示的喷淋管A内，喷淋管A的根数范围在1～10根、管的根数与染色速度成正比、车速越高管的根数越多，每根管上开有的出液口个数范围在3～20个喷淋出液口、出液口的个数与喷淋量和纸品的染色门幅成正比、喷淋量和纸品的染色门幅越大出液口的个数越多、本技术方案喷液量的范围在：喷到纸品上的纯天然染液量：纸品重量＝(1～5):1，喷淋管A的出液口形状包括但不限于喷成雾状、园孔状、片线状，喷淋口的直径大小范围在0.5～3mm之间。
优选的，步骤S4中所述的剥离剂的加入：附图1所示B的位置为剥离剂加入管的位置，它在喷淋管A之后和烘干装置C之前，喷淋前不添加任何化工物质，让纯天然染液与纸浆不受到任何化工干扰、直接上色，以确保染色均匀度和染色牢度。
纯天然染液与纸浆上色后，优选的，进入步骤S5中所述的烘干：如附图1和附图2所示C的位置为烘干装置，包括但不限于辊筒或烘房的烘干，烘干装置C的位置在喷淋管A和剥离剂加入管B之后、在毛布网带的脱水装置(如附图1和附图2所示E的位置)之前。
优选的，步骤S6中所述的染液余液收集：纸浆上色后通过毛布网带承托到烘干滚筒装置后、呈湿状的毛布网带仍带有大量的染液，本技术方案在附图1和附图2的E位置、毛布网带的下面增加回收管道完全独立的脱水吸水装置，脱水吸水装置E的个数范围在1～3个，以确保湿状的毛布网带经过脱水吸水装置E后带水量范围在5％～ 30％；带水量已经很小的湿状毛布网带附图1和附图2的K位置继续用清水冲洗、冲洗产生的回流水不能进入循环使用系统、作为污水进入污水池处理。
优选的，步骤S7中所述的染液的循环使用和补给：本技术方案的染液循环装置如附图3所示进行循环使用，包括E、G、H、I、J、K装置，步骤S6脱水吸水装置E收集的染液余液过滤后通过回流泵流到如附图3的回流水储液池G、染液母液池H中的母液与回流水储液池G中的回收液按一定的流量比例混合好、再选择性经过过滤装置I和物理消泡装置J、物理消泡后的染色液再次供步骤S3直喷染色(如附图1、附图2的A)使用。
最后，经过步骤S8中所述的成卷(如附图1、附图2的M位置)和步骤S9中所述的包装成品，生产出天然健康高品质的纯天然染色彩色纸。
实施例1：
本实施例一种新的纯天然染色彩色纸的生产方法，以一种木浆为原料的抽纸为例，说明利用纯天然染料进行纸品染色生产的新方法：先选择火龙果作为纸品染色的染料，选择粘性较高的薯莨作为天然染色的固色剂，将选择好的火龙果和薯莨冲洗干净，通过萃取获得天然染液，然后对天然染液进行1次过滤、进一步去除染液中的杂质。开好染液后即进行纸品的喷淋染色，染色前的白色纸品选择经过抄造机的网部(如附图1所示F的位置)并经过压榨后的湿状的白色纸浆，染色时湿纸的层数为1层,如附图1所示D的位置。白色纸品进入如 附图1所示的L可承托纸品的毛布网带上，完成白色纸品的制备后进行直喷染色，先用压力泵将纯天然染液泵入附图1所示的喷淋管A内，喷淋管A的根数为1根、每根管上开有的出液口个数为20个喷淋出液口、喷到纸品上的纯天然染液量：纸品重量＝4:1，喷淋管A的出液口形状选择雾状，喷淋口的直径大小为2mm。然后在附图1所示B的位置加入剥离剂。纯天然染液与纸浆上色后，进入附图1的C位置所示的辊筒烘干装置。染色后产生的染液余液需要进行收集，在附图1的E位置、毛布网带的下面增加回收管道完全独立的脱水吸水装置，脱水吸水装置E的个数为2个，以确保湿状的毛布网带经过脱水吸水装置E后带水量在15％左右；带水量已经很小的湿状毛布网带附图1的K位置继续用清水冲洗、冲洗产生的回流水不能进入循环使用系统、作为污水进入污水池处理。经过脱水吸水装置E收集的染液余液过滤后通过回流泵流到如附图3的回流水储液池G、染液母液池H中的母液与回流水储液池G中的回收液按一定的流量比例混合好、再选择性经过过滤装置I和物理消泡装置J、物理消泡后的染色液再次供如附图1的A进行直喷染色使用。最后，经过成卷(如附图1的M位置)和包装，生产出天然健康高品质的纯天然染色彩色抽纸成品。
实施例2：
本实施例一种新的纯天然染色彩色纸的生产方法，以一种竹浆为原料的卫生卷纸为例，说明利用纯天然染料进行纸品染色生产的新方法：先选择石榴的皮和栀子果作为纸品染色的染料，选择粘性较高的人参果和薯莨作为天然染色的固色剂，将选择好的石榴的皮、栀子果、 人参果和薯莨冲洗干净，通过萃取获得天然染液，然后对天然染液进行2次过滤、进一步去除染液中的杂质。开好染液后即进行纸品的喷淋染色，染色前的白色纸品选择经过抄造机的网部(如附图1所示F的位置)并经过压榨后的湿状的白色纸浆，染色时湿纸的层数为1层,如附图1所示D的位置。白色纸品进入如附图1所示的L可承托纸品的毛布网带上，完成白色纸品的制备后进行直喷染色，先用压力泵将纯天然染液泵入附图1所示的喷淋管A内，喷淋管A的根数为2根、每根管上开有的出液口个数为6个喷淋出液口、喷到纸品上的纯天然染液量：纸品重量＝2:1，喷淋管A的出液口形状选择园孔状，喷淋口的直径大小为3mm。然后在附图1所示B的位置加入剥离剂。纯天然染液与纸浆上色后，进入附图1的C位置所示的辊筒烘干装置。染色后产生的染液余液需要进行收集，在附图1的E位置、毛布网带的下面增加回收管道完全独立的脱水吸水装置，脱水吸水装置E的个数为1个，以确保湿状的毛布网带经过脱水吸水装置E后带水量在10％左右；带水量已经很小的湿状毛布网带附图1的K位置继续用清水冲洗、冲洗产生的回流水不能进入循环使用系统、作为污水进入污水池处理。经过脱水吸水装置E收集的染液余液过滤后通过回流泵流到如附图3的回流水储液池G、染液母液池H中的母液与回流水储液池G中的回收液按一定的流量比例混合好、再选择性经过过滤装置I和物理消泡装置J、物理消泡后的染色液再次供如附图1的A进行直喷染色使用。最后，经过成卷(如附图1的M位置)和包装，生产出天然健康高品质的纯天然染色彩色卫生卷纸成品。
实施例3：
本实施例一种新的纯天然染色彩色纸的生产方法，以一种木浆为原料的抽纸为例，说明利用纯天然染料进行纸品染色生产的新方法：先选择草莓和红花作为纸品染色的染料，选择粘性较高的人参果和薯莨作为天然染色的固色剂，将选择好的草莓、红花、人参果和薯莨冲洗干净，通过萃取获得天然染液，然后对天然染液进行1次过滤、进一步去除染液中的杂质。开好染液后即进行纸品的喷淋染色，染色前的白色纸品选择经过抄造机制成的湿纸再经过烘干并已成卷的白色纸卷，染色时干纸的层数为1层。白色纸品进入如附图2所示的L可承托纸品的毛布网带上，完成白色纸品的制备后进行直喷染色，先用压力泵将纯天然染液泵入附图2所示的喷淋管A内，喷淋管A的根数为2根、每根管上开有的出液口个数为8个喷淋出液口、喷到纸品上的纯天然染液量：纸品重量＝3:1，喷淋管A的出液口形状选择雾状，喷淋口的直径大小为2mm。然后在附图2所示B的位置加入剥离剂。纯天然染液与纸浆上色后，进入附图2的C位置所示的辊筒烘干装置。染色后产生的染液余液需要进行收集，在附图2的E位置、毛布网带的下面增加回收管道完全独立的脱水吸水装置，脱水吸水装置E的个数为2个，以确保湿状的毛布网带经过脱水吸水装置E后带水量在5％左右；带水量已经很小的湿状毛布网带附图2的K位置继续用清水冲洗、冲洗产生的回流水不能进入循环使用系统、作为污水进入污水池处理。经过脱水吸水装置E收集的染液余液过滤后通过回流泵流到如附图3的回流水储液池G、染液母液池H中的母液与回流水储液池 G中的回收液按一定的流量比例混合好、再选择性经过过滤装置I和物理消泡装置J、物理消泡后的染色液再次供如附图2的A进行直喷染色使用。最后，经过成卷(如附图2的M位置)和包装，生产出天然健康高品质的纯天然染色彩色抽纸成品。
实施例4：
本实施例一种新的纯天然染色彩色纸的生产方法，以一种竹浆为原料的抽纸为例，说明利用纯天然染料进行纸品染色生产的新方法：先选择板蓝根和蓝草作为纸品染色的染料，选择粘性较高的薯莨作为天然染色的固色剂，将选择好的板蓝根、蓝草和薯莨冲洗干净，通过萃取获得天然染液，然后对天然染液进行2次过滤、进一步去除染液中的杂质。开好染液后即进行纸品的喷淋染色，染色前的白色纸品选择经过抄造机的网部(如附图1所示F的位置)并经过压榨后的湿状的白色纸浆，染色时湿纸的层数为1层,如附图1所示D的位置。白色纸品进入如附图1所示的L可承托纸品的毛布网带上，完成白色纸品的制备后进行直喷染色，先用压力泵将纯天然染液泵入附图1所示的喷淋管A内，喷淋管A的根数为2根、每根管上开有的出液口个数为10个喷淋出液口、喷到纸品上的纯天然染液量：纸品重量＝5:1，喷淋管A的出液口形状选择线状，喷淋口的直径大小为0.5mm。然后在附图1所示B的位置加入剥离剂。纯天然染液与纸浆上色后，进入附图1的C位置所示的烘房烘干装置。染色后产生的染液余液需要进行收集，在附图1的E位置、毛布网带的下面增加回收管道完全独立的脱水吸水装置，脱水吸水装置E的个数为2个，以确保湿状的毛 布网带经过脱水吸水装置E后带水量在30％左右；带水量已经很小的湿状毛布网带附图1的K位置继续用清水冲洗、冲洗产生的回流水不能进入循环使用系统、作为污水进入污水池处理。经过脱水吸水装置E收集的染液余液过滤后通过回流泵流到如附图3的回流水储液池G、染液母液池H中的母液与回流水储液池G中的回收液按一定的流量比例混合好、再选择性经过过滤装置I和物理消泡装置J、物理消泡后的染色液再次供如附图1的A进行直喷染色使用。最后，经过成卷(如附图1的M位置)和包装，生产出天然健康高品质的纯天然染色彩色抽纸成品。
实施例5：
本实施例一种新的纯天然染色彩色纸的生产方法，以一种木浆为原料的抽纸为例，说明利用纯天然染料进行纸品染色生产的新方法：先选择野山果和栀子作为纸品染色的染料，选择粘性较高的薯莨作为天然染色的固色剂，将选择好的野山果、栀子和薯莨冲洗干净，通过萃取获得天然染液，然后对天然染液进行1次过滤、进一步去除染液中的杂质。开好染液后即进行纸品的喷淋染色，染色前的白色纸品选择经过抄造机制成的湿纸再经过烘干并已成卷的白色纸卷，染色时干纸的层数为6层，先将6层的纸卷轴併成一体(如附图2所示N1～N6的位置)，以一个整体进行染色。白色纸品进入如附图2所示的L可承托纸品的毛布网带上，进行直喷染色，先用压力泵将纯天然染液泵入附图2所示的喷淋管A内，喷淋管A的根数为1根、每根管上开有的出液口个数为8个喷淋出液口、喷到纸品上的纯天然染液量：纸 品重量＝1:1，喷淋管A的出液口形状选择雾状，喷淋口的直径大小为1mm。然后在附图2所示B的位置加入剥离剂。纯天然染液与纸浆上色后，进入附图2的C位置所示的辊筒烘干装置。染色后产生的染液余液需要进行收集，在附图2的E位置、毛布网带的下面增加回收管道完全独立的脱水吸水装置，脱水吸水装置E的个数为1个，以确保湿状的毛布网带经过脱水吸水装置E后带水量在5％左右；带水量已经很小的湿状毛布网带附图2的K位置继续用清水冲洗、冲洗产生的回流水不能进入循环使用系统、作为污水进入污水池处理。经过脱水吸水装置E收集的染液余液过滤后通过回流泵流到如附图3的回流水储液池G、染液母液池H中的母液与回流水储液池G中的回收液按一定的流量比例混合好、再选择性经过过滤装置I和物理消泡装置J、物理消泡后的染色液再次供如附图2的A进行直喷染色使用。最后，经过成卷(如附图2的M位置)和包装，生产出天然健康高品质的纯天然染色彩色抽纸成品。
实施例6：
本实施例一种新的纯天然染色彩色纸的生产方法，以一种竹浆为原料的抽纸为例，说明利用纯天然染料进行纸品染色生产的新方法：先选择姜黄和紫草作为纸品染色的染料，选择粘性较高的薯莨作为天然染色的固色剂，将选择好的姜黄、紫草和薯莨冲洗干净，通过萃取获得天然染液，然后对天然染液进行3次过滤、进一步去除染液中的杂质。开好染液后即进行纸品的喷淋染色，染色前的白色纸品选择经过抄造机的网部(如附图1所示F的位置)并经过压榨后的湿状的 白色纸浆，染色时湿纸的层数为1层,如附图1所示D的位置。白色纸品进入如附图1所示的L可承托纸品的毛布网带上，完成白色纸品的制备后进行直喷染色，先用压力泵将纯天然染液泵入附图1所示的喷淋管A内，喷淋管A的根数为10根、每根管上开有的出液口个数为3个喷淋出液口、喷到纸品上的纯天然染液量：纸品重量＝5:1，喷淋管A的出液口形状选择雾状，喷淋口的直径大小为2mm。然后在附图1所示B的位置加入剥离剂。纯天然染液与纸浆上色后，进入附图1的C位置所示的辊筒烘干装置。染色后产生的染液余液需要进行收集，在附图1的E位置、毛布网带的下面增加回收管道完全独立的脱水吸水装置，脱水吸水装置E的个数为3个，以确保湿状的毛布网带经过脱水吸水装置E后带水量在25％左右；带水量已经很小的湿状毛布网带附图1的K位置继续用清水冲洗、冲洗产生的回流水不能进入循环使用系统、作为污水进入污水池处理。经过脱水吸水装置E收集的染液余液过滤后通过回流泵流到如附图3的回流水储液池G、染液母液池H中的母液与回流水储液池G中的回收液按一定的流量比例混合好、再选择性经过过滤装置I和物理消泡装置J、物理消泡后的染色液再次供如附图1的A进行直喷染色使用。最后，经过成卷(如附图1的M位置)和包装，生产出天然健康高品质的纯天然染色彩色抽纸成品。
对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。

Claims (3)

  1. 一种染制纯天然彩色纸的生产方法，其特征在于，包括以下步骤：
    S1.纯天然染液的配置：选择富含色素的植物作为纸品染色的染料的原料，选择粘性较高的植物作为天然染色的固色剂的原料，所述富含色素的植物为火龙果、草莓、野山果、石榴、板蓝根、蓝草、人参果、薯莨、姜黄、红花、诃子、茜草、五味子、南烛叶、栀子、苏木或紫草，所述粘性较高的植物为人参果或薯莨，将选择的一种或任意组合富含色素的植物或粘性较高的植物的皮、根、茎、叶或果中的一种或任意组合冲洗干净，通过萃取、过滤得到纸品染色的染料或天然染色的固色剂，将所述纸品染色的染料和天然染色的固色剂混合成纯天然染液；
    S2.白色纸品的制备：选择湿状的白色纸浆或干状的白色纸卷进入可承托纸品的毛布网带上进行染色，所述湿状的白色纸浆为经过抄造机的网部并经过压榨后的湿纸，染色时，湿纸的层数为1层，所述干状的白色纸卷为经过抄造机制成的湿纸再经过烘干并已成卷的白色纸卷，染色时干纸的层数范围为1～6层，先将1～6层的纸卷轴併成一体，以一个整体进行染色；
    S3.直喷染色：采用步骤S1所述的纯天然染液对步骤S2所述的纸品进行直喷染色，不添加任何化工染料和化工助剂，根据所述纸品门幅调整直喷染色的喷淋管数量，喷淋管的根数为1～10根，每根喷淋管上的出液口味3～20个，喷到纸品上的纯天然染液量：纸品重量＝(1～5):1；
    S4.剥离剂的加入；
    S5.烘干：将白色纸品通过毛布网带承托输入到辊筒或烘房的烘干；
    S6.染色余液收集：在毛布网带下面增加回收管道完全独立的脱水吸水装置，以收集染液余液，脱水吸水装置的个数为1～3个，以确保毛布网带经过脱水吸水装置后带水量范围在5～30％；带水量已经很小的湿状毛布网带继续用清水冲洗，冲洗产生的回流水作为污水处理；
    S7.染液的循环使用和补给：步骤S6脱水吸水装置收集的染液余液过滤后通过回流泵流到回流水储液池，染液母液池中的母液与回流水储液池中的回收液按一定的流量比例混合，再选择性经过过滤装置和物理消泡装置，物理消泡后获得的染色液再次供步骤S3直喷染色使用。
    S8.成卷。
  2. 根据权利要求1所述一种染制纯天然彩色纸的生产方法，其特征在于，所述喷淋管喷出的纯天然染液控制为雾状、园孔状或片线状，喷淋口的直径范围为0.5～3mm。
  3. 根据权利要求1所述一种染制纯天然彩色纸的生产方法，其特征在于，在步骤S8之后进行包装成品工序。
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