技术领域technical field
本发明属于卷烟纸生产技术领域，具体涉及一种提高全大麻卷烟纸强度的生产方法。The invention belongs to the technical field of cigarette paper production, and in particular relates to a production method for improving the strength of whole hemp cigarette paper.
背景技术Background technique
大麻的化学成份更适宜造纸，大麻化学成分纤维素含量51.32％(针叶木为50.86％)，纸浆得率高，木素含量为14.97％，针叶木为27.85％。木素含量低易蒸煮。大麻聚戊糖18.29％，高于针叶木的11.12％，低于阔叶木24.25％、麦草25.56％、芦苇22.46％，聚戊糖含量适中易润胀打浆。经国家轻工业局纸张质量监测沈阳站测定：大麻皮所制纸浆质量优于针叶木纸浆；芯杆与阔叶木纸浆类似；全杆相当于针叶和阔叶混合纸浆。纸的强度证明，大麻是很有前途的造纸原料。而且大麻纤维种植生产期间适应力强，无病虫害，不需要喷撒农药和施肥，是纯天然绿色纤维资源，被誉为“纤维之王”，是全麻卷烟纸的优异纤维原料。全大麻卷烟纸自然孔隙均匀，柔软细腻，不透明度高，手感好，相比木浆卷烟纸具有提升评吸香气质量，燃烧灰色白，碳线细等优良特性。The chemical composition of hemp is more suitable for papermaking. The cellulose content of hemp chemical composition is 51.32% (compared with 50.86% for coniferous wood), and the pulp yield is high. The lignin content is 14.97% and that of coniferous wood is 27.85%. Low lignin content and easy cooking. Hemp pentosan is 18.29%, which is higher than 11.12% of coniferous wood, lower than 24.25% of hardwood, 25.56% of wheat straw, and 22.46% of reed. The content of pentosan is moderate and easy to swell and beat. As determined by the Shenyang Station of Paper Quality Monitoring of the National Light Industry Bureau: the quality of the pulp made from hemp skin is better than that of coniferous wood pulp; the core rod is similar to hardwood pulp; the whole rod is equivalent to mixed coniferous and hardwood pulp. The strength of the paper proves that hemp is a promising raw material for papermaking. Moreover, hemp fiber has strong adaptability during planting and production, no pests and diseases, no need to spray pesticides and fertilization, it is a pure natural green fiber resource, known as the "king of fibers", and is an excellent fiber raw material for whole hemp cigarette paper. All-hemp cigarette paper has uniform natural pores, softness and fineness, high opacity, and good hand feeling. Compared with wood pulp cigarette paper, it has excellent characteristics such as improving the quality of aroma, burning gray and white, and fine carbon lines.
CN201110218277公开了一种工业大麻纤维卷烟纸，采用工业大麻纤维为主要原料，并且工业大麻纤维为工业大麻杆芯纤维或工业大麻杆芯纤维与工业大麻韧皮纤维的混合物，该专利旨在提高卷烟的抽吸品质，并未关注卷烟纸的强度指标。并且从目前的卷烟纸制造行业来看，现有的全麻卷烟纸原料一般为全亚麻、亚麻与西班牙草浆混合或大麻与亚麻混合，这些卷烟纸普遍存在透气度稳定性差与强度指标偏低的问题。CN201110218277 discloses an industrial hemp fiber cigarette paper, using industrial hemp fiber as the main raw material, and the industrial hemp fiber is a mixture of industrial hemp core fiber or industrial hemp core fiber and industrial hemp bast fiber. The smoking quality of cigarettes does not pay attention to the strength index of cigarette paper. And from the perspective of the current cigarette paper manufacturing industry, the raw materials of the existing whole hemp cigarette paper are generally whole flax, a mixture of flax and Spanish straw pulp, or a mixture of hemp and flax. These cigarette papers generally have poor air permeability stability and low strength indicators The problem.
发明内容Contents of the invention
针对现有技术存在的问题，本发明提供一种提高全大麻卷烟纸强度的生产方法。本发明的技术方案为：Aiming at the problems existing in the prior art, the invention provides a production method for improving the strength of whole hemp cigarette paper. Technical scheme of the present invention is:
一种提高全大麻卷烟纸强度的生产方法，包括以下步骤：A production method for increasing the strength of whole hemp cigarette paper, comprising the steps of:
（1）蒸煮：将大麻韧皮与大麻杆芯按质量比为4：1混合均匀，采用亚硫酸盐法制备得到本色大麻浆A；(1) Cooking: the hemp bast and the hemp core are mixed evenly in a mass ratio of 4:1, and the natural color hemp pulp A is prepared by the sulfite method;
将大麻韧皮与大麻杆芯按质量比为3：7混合均匀，采用亚硫酸盐法制备得到本色大麻浆B；The hemp bast and the hemp rod core are evenly mixed according to the mass ratio of 3:7, and the natural color hemp pulp B is prepared by the sulfite method;
（2）打浆：采用双盘磨分别对大麻浆A和大麻浆B连续打浆，将打浆后的大麻浆A纤维及大麻浆B纤维混合均匀后加入填料，得到混合成浆；(2) Beating: Use double disc mills to continuously beat hemp pulp A and hemp pulp B respectively, mix the beaten hemp pulp A fiber and hemp pulp B fiber evenly, and then add filler to obtain a mixed pulp;
（3）将步骤（2）得到的混合成浆进行稀释，然后加入助剂，再依次经网部成型和压榨部脱水处理至含水量为60~68%，得到湿纸页；(3) Dilute the mixed pulp obtained in step (2), then add additives, and then undergo sequential dehydration treatment in the wire section and press section until the water content is 60-68%, to obtain a wet paper sheet;
（4）将湿纸页经过前干烘干处理后涂布复配助燃试剂，然后进行后干烘干处理，经卷取既得。(4) After the wet paper sheet is pre-dried and dried, it is coated with a compound combustion-supporting agent, and then subjected to a post-drying and dried treatment, and it is obtained by coiling.
进一步的，所述步骤（1）中大麻韧皮的选择指标为：纤维长度12~25mm，平均纤维长度16 mm，纤维宽度12.39~24.28mm，平均纤维宽度18.53 mm；大麻杆芯的选择指标为：纤维长度0.45~0.72mm，平均纤维长度0.54 mm，纤维宽度14.51~27.78mm，平均纤维宽度19.33mm。Further, the selection index of hemp bast in the step (1) is: fiber length 12-25 mm, average fiber length 16 mm, fiber width 12.39-24.28 mm, average fiber width 18.53 mm; selection index of hemp rod core is : Fiber length 0.45~0.72mm, average fiber length 0.54 mm, fiber width 14.51~27.78mm, average fiber width 19.33mm.
进一步的，所述步骤（1）中亚硫酸盐法的控制参数为：蒸煮药液总量占绝干浆的19～23%，蒸煮液比为2.0～3.0，蒸煮时间10～15小时，放锅硬度6.0～16.0KaPPa值，黑液残碱6～14g/l。Further, the control parameters of the sulfite method in the step (1) are: the total amount of cooking liquid accounts for 19-23% of the dry pulp, the cooking liquid ratio is 2.0-3.0, the cooking time is 10-15 hours, and the The pot hardness is 6.0~16.0KaPPa value, and the residual alkali of black liquor is 6~14g/l.
进一步的，所述步骤（1）中大麻浆A的D65亮度≥80%，尘埃度≤25ppm，纤维长度为1.5～1.8mm，纤维粗度为0.110～0.140μg/m，纤维宽度为19.0～24.0μm，纤维扭曲度为14.0～18.0%，撕裂指数为16.0～20.0mN·m2/g，透气度为65～110CU，打浆度为46°SR，湿重为10.0～15.0g；大麻浆B的D65亮度≥80%，尘埃度≤25ppm，纤维长度为1.0～1.3 mm，纤维粗度为0.110～0.140为μg/m，纤维宽度为19.0～24.0μm，纤维扭曲度为14.0～18.0%，撕裂指数为10.0～14.0mN·m2/g，透气度为160～260CU，打浆度为44°SR，湿重为5.0～8.0g。Further, in the step (1), the D65 brightness of the hemp pulp A is ≥80%, the dustiness is ≤25ppm, the fiber length is 1.5-1.8mm, the fiber thickness is 0.110-0.140μg/m, and the fiber width is 19.0-24.0 μm, fiber torsion of 14.0-18.0%, tear index of 16.0-20.0mN·m2 /g, air permeability of 65-110CU, beating degree of 46°SR, wet weight of 10.0-15.0g; hemp pulp B D65 brightness ≥ 80%, dustiness ≤ 25ppm, fiber length 1.0-1.3 mm, fiber thickness 0.110-0.140 μg/m, fiber width 19.0-24.0 μm, fiber twist 14.0-18.0%, tearing The cracking index is 10.0-14.0mN·m2/g, the air permeability is 160-260CU, the beating degree is 44°SR, and the wet weight is 5.0-8.0g.
进一步的，所述步骤（2）中大麻浆A打浆的控制参数为：浆浓度为2.8～3.2%，叩解度/湿重为50～80°SR/9.5~13.5g；大麻浆B打浆的控制参数为：浆浓度为2.8～3.2%，叩解度/湿重为40~65°SR/1.5~5.0g；所述大麻浆A和所述大麻浆B按照重量百分比为：大麻浆A（10~100）%；大麻浆B（0~90）%混合均匀。Further, the control parameters of hemp pulp A beating in the step (2) are: the concentration of the pulp is 2.8-3.2%, the degree of percussion/wet weight is 50-80°SR/9.5-13.5g; the control parameters of hemp pulp B beating The parameters are: pulp concentration is 2.8-3.2%, percussion degree/wet weight is 40-65°SR/1.5-5.0g; the hemp pulp A and the hemp pulp B are according to weight percentage: hemp pulp A (10~ 100)%; hemp pulp B (0~90)% mixed evenly.
进一步的，所述填料为质量浓度为16~20%的碳酸钙溶液，其中碳酸钙的加入量为绝干浆质量的（30~45）%。Further, the filler is a calcium carbonate solution with a mass concentration of 16-20%, wherein the amount of calcium carbonate added is (30-45)% of the dry pulp mass.
进一步的，所述助剂选自增强剂、助留剂、杀菌剂、消泡剂中的一种或多种。Further, the auxiliary agent is selected from one or more of enhancers, retention aids, bactericides, and defoamers.
进一步的，所述复配助燃试剂为由助燃剂和氧化淀粉按照质量比为（1.0~5.0）：（0.8~1.5）配制成的质量浓度为（6.0~15.0）%的溶液，加入量为绝干浆质量的（2.0~8.0）%。Further, the compound combustion-supporting agent is a solution with a mass concentration of (6.0-15.0)% prepared from the combustion-supporting agent and oxidized starch according to the mass ratio of (1.0-5.0): (0.8-1.5), and the added amount is absolutely (2.0~8.0)% of dry pulp mass.
进一步的，所述助燃剂选自柠檬酸钾、柠檬酸钠、苹果酸钾中的一种或几种。Further, the combustion enhancer is selected from one or more of potassium citrate, sodium citrate, and potassium malate.
进一步的，所述步骤（4）中前干温度为65~120℃，后干温度为95~125℃，出前干纸页水分为5.0～7.0％。Further, in the step (4), the pre-drying temperature is 65-120° C., the post-drying temperature is 95-125° C., and the moisture content of the pre-dried paper sheet is 5.0-7.0%.
进一步的，所述生产方法还包括将步骤（1）获得的大麻浆A和大麻浆B采用漂白药液进行漂白的过程，具体控制参数为：漂白浆浓度为2.0～10.0%，漂白药液用量占绝干浆的10～30%，进行四段漂白处理（C～E～M～P），其中大麻浆A漂白处理总时间为7小时，大麻浆B漂白处理总时间为4小时。Further, the production method also includes the process of bleaching the hemp pulp A and hemp pulp B obtained in step (1) with a bleaching solution, and the specific control parameters are: the concentration of the bleaching pulp is 2.0-10.0%, the dosage of the bleaching solution Accounting for 10-30% of the absolute dry pulp, four-stage bleaching treatment (C～E～M～P) is carried out, in which the total bleaching treatment time of hemp pulp A is 7 hours, and the total bleaching treatment time of hemp pulp B is 4 hours.
进一步的，所述漂白药液选自次氯酸钠、氢氧化钠、漂液、水玻璃中的一种。Further, the bleaching liquid is selected from one of sodium hypochlorite, sodium hydroxide, bleaching liquid, and water glass.
本发明的有益效果在于：The beneficial effects of the present invention are:
本发明通过对大麻纤维的深入研究，依据大麻不同部位纤维特性，对大麻韧皮和杆芯按照不同比例混合进行制浆，得到两种不同纤维特性的大麻浆，分别为大麻浆A和大麻浆B。利用这两种大麻原料及填料在原有生产线进行抄造制成全大麻卷烟纸，此种生产方法车速可达240~300m/min，生产效率高且可以生产一系列不同定量、不同透气度的全大麻卷烟纸，并且该全大麻卷烟纸质量稳定、强度高，具有自然孔隙均匀、柔软细腻、不透明度高、手感好的特点，相比木浆卷烟纸具有提升评吸香气质量，燃烧灰色白，碳线细等优良特性。且纸页透气性好容易干燥，汽耗低，电耗低，车速高，生产效率高且成本低。Through in-depth research on hemp fiber, the present invention mixes hemp bast and rod core according to different proportions for pulping according to the fiber characteristics of different parts of hemp, and obtains two kinds of hemp pulp with different fiber characteristics, namely hemp pulp A and hemp pulp b. Use these two kinds of hemp raw materials and fillers to make full hemp cigarette paper in the original production line. This production method can reach a speed of 240~300m/min, with high production efficiency and can produce a series of whole hemp with different quantitative and different air permeability. Cigarette paper, and the whole hemp cigarette paper has stable quality, high strength, uniform natural pores, soft and delicate, high opacity, and good hand feeling. Fine line and other excellent characteristics. And the paper has good air permeability and easy drying, low steam consumption, low power consumption, high speed, high production efficiency and low cost.
具体实施方式Detailed ways
在本发明的描述中，需要说明的是，实施例中未注明具体条件者，按照常规条件或制造商建议的条件进行。所用试剂或仪器未注明生产厂商者，均为可以通过市售购买获得的常规产品。In the description of the present invention, it should be noted that those in the examples that do not specify specific conditions shall be carried out according to conventional conditions or conditions suggested by the manufacturer. The reagents or instruments used were not indicated by the manufacturer, and they were all conventional products that could be purchased from the market.
下面结合具体的实施例对本发明做进一步详细说明，所述是对本发明的解释而不是限定。The present invention will be described in further detail below in conjunction with specific examples, which are explanations of the present invention rather than limitations.
实施例1Example 1
本实施例提供一种提高全大麻卷烟纸强度的生产方法，包括以下步骤：The present embodiment provides a kind of production method that improves the strength of whole hemp cigarette paper, comprises the following steps:
（1）蒸煮：将大麻韧皮与大麻杆芯按质量比分别为4：1和3：7混合装锅，采用亚硫酸盐法制备，蒸煮药液总量占绝干浆的19～23%，蒸煮液比为2.0～3.0，蒸煮时间均为12小时，分别获得大麻浆A和大麻浆B，放锅硬度6.0～16.0KaPPa值，黑液残碱6～14g/l(1) Cooking: the hemp bast and the hemp stalk core are mixed in a pot according to the mass ratio of 4:1 and 3:7 respectively, and prepared by the sulfite method. The total amount of cooking liquid accounts for 19-23% of the dry pulp , the cooking liquid ratio is 2.0-3.0, and the cooking time is 12 hours, and the hemp pulp A and the hemp pulp B are obtained respectively, the hardness of the pot is 6.0-16.0KaPPa, and the residual alkali of the black liquor is 6-14g/l
（2）洗磨：使用槽式洗磨机进行洗磨，洗磨时间5～12h，洗磨叩解度：大麻浆A:35～400SR，洗磨湿重14～16g; 大麻浆B:35～400SR，洗磨湿重7～10g；再使用三级除渣系统，一级为重质除渣，二、三级为轻质除渣。(2) Washing and grinding: Use a tank type washing and grinding machine for washing and grinding, the washing and grinding time is 5-12 hours, the washing and grinding degree: hemp pulp A: 35-400 SR, the wet weight of washing and grinding is 14-16g; hemp pulp B: 35-400 SR, the wet weight of washing and milling is 7-10g; then use a three-stage slag removal system, the first stage is heavy slag removal, and the second and third stages are light slag removal.
（3）打浆：采用双盘磨分别对大麻浆A和大麻浆B纤维连续打浆。大麻浆A纤维打浆浓度（2.8～3.2）%，打浆度/湿重（80～85）°SR/（9.5-13.5）g；大麻浆B纤维打浆浓度（2.8～3.2）%，叩解度/湿重（60~65）°SR/（2.5~4.0）g。按重量比将打浆后的大麻浆A及大麻浆B按90%：10%混合，得到混合浆；将分散好的质量浓度为16%的碳酸钙溶液（粒径≤3.2μm）加入到混合浆中，碳酸钙的加入量为绝干浆质量的35%，即得到混合成浆；将混合浆料选择长网纸机进行生产制造，车速为260m/min。(3) Beating: Continuous beating of hemp pulp A and hemp pulp B fibers using double disc mills respectively. Hemp pulp A fiber beating concentration (2.8～3.2)%, beating degree/wet weight (80～85)°SR/(9.5-13.5)g; hemp pulp B fiber beating concentration (2.8～3.2)%, beating degree/wet Weight (60~65)°SR/(2.5~4.0)g. Mix the beaten hemp pulp A and hemp pulp B at a ratio of 90%:10% by weight to obtain a mixed pulp; add the dispersed calcium carbonate solution (particle size ≤ 3.2 μm) with a mass concentration of 16% to the mixed pulp Among them, the amount of calcium carbonate added is 35% of the dry pulp mass, that is, the mixed pulp is obtained; the mixed pulp is produced by a fourdrinier paper machine, and the speed is 260m/min.
（4）抄纸：将混合浆料稀释到浓度0.6%，经短循环系统分别加入瓜耳胶增强剂，瓜耳胶助留剂，消泡剂，杀菌剂，保证纤维均匀分散，在网部成型和压榨部脱水处理，得到水分为60~68%的湿纸页；湿纸页经过前干烘干处理（温度为65~120℃）；在前干烘干处理后纸页的水分为5.0~7.0%，在纸页上涂布助燃剂及氧化淀粉复配的溶液混合物再次经过后干烘干处理（温度为95~125℃），经卷取得到本色全大麻卷烟纸。(4) Papermaking: Dilute the mixed slurry to a concentration of 0.6%, add guar gum enhancer, guar gum retention aid, defoamer, and fungicide through the short circulation system to ensure that the fibers are evenly dispersed. Dehydration treatment in the forming and pressing section to obtain a wet paper sheet with a moisture content of 60-68%; the wet paper sheet undergoes pre-drying treatment (at a temperature of 65-120°C); the moisture content of the paper sheet after the pre-drying treatment is 5.0 ~7.0%, coating the solution mixture of combustion enhancer and oxidized starch on the paper, and then after post-drying and drying (temperature 95~125°C), the natural color full hemp cigarette paper is obtained by rolling.
其中：瓜耳胶增强剂质量浓度为（0.2~0.5）%，它在纸浆中的加入量为纸浆总量的（0.1~0.9）%；瓜耳胶助留剂质量浓度为（0.2~0.5）%，它在纸浆中的加入量为纸浆总量的（0.02~0.10）%；杀菌剂在纸浆中的加入量为纸浆总量的（0.001~0.15）%；消泡剂与水按1：6比例稀释，它在纸浆中的加入量为纸浆总量的（0.005~0.50）%。复配助燃试剂由助燃剂和氧化淀粉按照质量比为1：0.8复配，质量浓度为10.0%，加入量为8.0%，所述助燃剂为柠檬酸钾。Among them: the mass concentration of guar gum strengthening agent is (0.2~0.5)%, and its addition amount in the pulp is (0.1~0.9)% of the total amount of pulp; the mass concentration of guar gum retention aid is (0.2~0.5) %, the amount of it added to the pulp is (0.02~0.10)% of the total pulp; the amount of fungicide added to the pulp is (0.001~0.15)% of the total pulp; the ratio of defoamer to water is 1:6 Proportional dilution, its addition amount in the pulp is (0.005~0.50)% of the total pulp. The compound combustion-supporting agent is composed of combustion-supporting agent and oxidized starch at a mass ratio of 1:0.8, with a mass concentration of 10.0% and an addition amount of 8.0%. The combustion-supporting agent is potassium citrate.
本实施例的大麻卷烟纸指标为：定量：29g/㎡；抗张强度：1.31kN/m；伸长率1.21%，抗张能量吸收11.26J/㎡；透气度：40CU；白度：89.6%；不透明度：76.8%；灰分：20.3%。The indicators of the hemp cigarette paper in this example are: weight: 29g/㎡; tensile strength: 1.31kN/m; elongation: 1.21%, tensile energy absorption: 11.26J/㎡; air permeability: 40CU; whiteness: 89.6% ; Opacity: 76.8%; Ash: 20.3%.
实施例2Example 2
本实施例提供一种提高全大麻卷烟纸强度的生产方法，具体步骤中区别于实施例1的地方在于：1）打浆后的大麻浆A及大麻浆B按80%：20%混合；2）车速为300m/min；3）复配助燃试剂由助燃剂和氧化淀粉按照质量比为1：1复配，质量浓度为6.0%，加入量为4.0%，所述助燃剂为柠檬酸钾和柠檬酸钠按质量比为1：1复配。This example provides a production method for improving the strength of whole hemp cigarette paper. The specific steps are different from Example 1 in that: 1) Hemp pulp A and hemp pulp B after beating are mixed at 80%: 20%; 2) The vehicle speed is 300m/min; 3) The compound combustion-supporting agent is composed of combustion-supporting agent and oxidized starch at a mass ratio of 1:1, the mass concentration is 6.0%, and the addition amount is 4.0%. The combustion-supporting agent is potassium citrate and lemon Sodium acid is compounded at a mass ratio of 1:1.
本实施例的大麻卷烟纸指标为：定量：29g/㎡；抗张强度： 1.26kN/m；伸长率1.23%，抗张能量吸收10.25J/㎡；透气度：50CU；白度：89.8%；不透明度：76.6%；灰分：20.1%。The indicators of the hemp cigarette paper in this example are: weight: 29g/㎡; tensile strength: 1.26kN/m; elongation: 1.23%, tensile energy absorption: 10.25J/㎡; air permeability: 50CU; whiteness: 89.8% ; Opacity: 76.6%; Ash: 20.1%.
实施例3Example 3
本实施例提供一种提高全大麻卷烟纸强度的生产方法，具体步骤中区别于实施例1的地方在于：1）打浆后的大麻浆A及大麻浆B按65%：35%混合；2）复配助燃试剂由助燃剂和氧化淀粉按照质量比为2：0.8复配，质量浓度为6.0%，加入量为6.0%，所述助燃剂为柠檬酸钾和柠檬酸钠按质量比为7：3复配。This example provides a production method for improving the strength of whole hemp cigarette paper. The specific steps are different from Example 1 in that: 1) Hemp pulp A and hemp pulp B after beating are mixed at 65%:35%; 2) The compound combustion-supporting agent is compounded by combustion-supporting agent and oxidized starch according to the mass ratio of 2:0.8, the mass concentration is 6.0%, and the addition amount is 6.0%. The combustion-supporting agent is potassium citrate and sodium citrate with a mass ratio of 7: 3 Compounding.
本实施例的大麻卷烟纸指标为：定量：29g/㎡；抗张强度： 1.21kN/m；伸长率1.20%，抗张能量吸收9.85J/㎡；透气度：60CU；白度：89.6%；不透明度：76.4%；灰分：20.8%。The indicators of the hemp cigarette paper in this example are: weight: 29g/㎡; tensile strength: 1.21kN/m; elongation: 1.20%, tensile energy absorption: 9.85J/㎡; air permeability: 60CU; whiteness: 89.6% ; Opacity: 76.4%; Ash: 20.8%.
实施例4Example 4
本实施例提供一种提高全大麻卷烟纸强度的生产方法，具体步骤中区别于实施例1的地方在于：1）打浆后的大麻浆A及大麻浆B按45%：55%混合；2）将分散好的质量浓度为18%的碳酸钙溶液（粒径≤3.2μm）加入到混合浆中，碳酸钙的加入量为绝干浆质量的40%；3）复配助燃试剂由助燃剂和氧化淀粉按照质量比为3：1复配，质量浓度为12.0%，加入量为2.0%，所述助燃剂为柠檬酸钾和柠檬酸钠按质量比为7：3复配。This example provides a production method for improving the strength of whole hemp cigarette paper. The specific steps are different from Example 1 in that: 1) Hemp pulp A and hemp pulp B after beating are mixed at 45%:55%; 2) Add the dispersed calcium carbonate solution (particle size ≤ 3.2 μm) with a mass concentration of 18% to the mixed pulp, and the amount of calcium carbonate added is 40% of the dry pulp mass; The oxidized starch is compounded at a mass ratio of 3:1, the mass concentration is 12.0%, and the addition amount is 2.0%. The combustion enhancer is a compound of potassium citrate and sodium citrate at a mass ratio of 7:3.
本实施例的大麻卷烟纸指标为：定量：29g/㎡；抗张强度：1.15kN/m；伸长率1.20%，抗张能量吸收8.91J/㎡；透气度：70CU；白度：89.5%；不透明度：76.3%；灰分：20.1%。The indicators of the hemp cigarette paper in this example are: weight: 29g/㎡; tensile strength: 1.15kN/m; elongation: 1.20%, tensile energy absorption: 8.91J/㎡; air permeability: 70CU; whiteness: 89.5% ; Opacity: 76.3%; Ash: 20.1%.
实施例5Example 5
本实施例提供一种提高全大麻卷烟纸强度的生产方法，具体步骤中区别于实施例1的地方在于：1）打浆后的大麻浆A及大麻浆B按30%：70%混合；2）复配助燃试剂由助燃剂和氧化淀粉按照质量比为4：1复配，质量浓度为7.0%，加入量为7.0%，所述助燃剂为柠檬酸钾、柠檬酸钠和苹果酸钾质量比为11：11：3复配。This example provides a production method for improving the strength of whole hemp cigarette paper. The specific steps are different from Example 1 in that: 1) Hemp pulp A and hemp pulp B after beating are mixed at 30%:70%; 2) The compound combustion-supporting agent is compounded by combustion-supporting agent and oxidized starch according to the mass ratio of 4:1, the mass concentration is 7.0%, and the addition amount is 7.0%. The combustion-supporting agent is potassium citrate, sodium citrate and potassium malate in mass ratio Compound for 11:11:3.
本实施例的大麻卷烟纸指标为：定量：29g/㎡；抗张强度： 1.10kN/m；伸长率1.18%，抗张能量吸收8.12J/㎡；透气度：80CU；白度：89.7%；不透明度：76.1%；灰分：20.2%。The indicators of the hemp cigarette paper in this example are: weight: 29g/㎡; tensile strength: 1.10kN/m; elongation: 1.18%, tensile energy absorption: 8.12J/㎡; air permeability: 80CU; whiteness: 89.7% ; Opacity: 76.1%; Ash: 20.2%.
对比例1Comparative example 1
本对比例提供一种提高全大麻卷烟纸强度的生产方法，包括以下步骤：This comparative example provides a kind of production method that improves the strength of whole hemp cigarette paper, comprises the following steps:
（1）蒸煮：将大麻韧皮与大麻杆芯按质量比分别为4：1混合装锅，采用亚硫酸盐法制备，蒸煮药液总量占绝干浆的19～23%，蒸煮液比为2.0～3.0，蒸煮时间均为12小时，获得大麻浆A，放锅硬度6.0～16.0KaPPa，黑液残碱6～14g/l。(1) Cooking: The hemp bast and the hemp stalk core are mixed in a pot according to the mass ratio of 4:1 respectively, and prepared by the sulfite method. The total amount of cooking liquid accounts for 19-23% of the dry pulp, and the cooking liquid ratio 2.0-3.0, the cooking time is 12 hours, and hemp pulp A is obtained, the pot hardness is 6.0-16.0KaPPa, and the residual alkali of black liquor is 6-14g/l.
（2）洗磨：使用槽式洗磨机进行洗磨，洗磨时间5～12h，洗磨叩解度：大麻浆A:35～400SR，洗磨湿重14～16g; 再使用三级除渣系统，一级为重质除渣，二、三级为轻质除渣。(2) Washing and grinding: use a tank-type washing and grinding machine for washing and grinding, the washing and grinding time is 5-12 hours, the washing and grinding degree: hemp pulp A: 35-400 SR, the wet weight of washing and grinding is 14-16g; and then use the third grade The slag removal system, the first stage is heavy slag removal, and the second and third stages are light slag removal.
（3）打浆：采用双盘磨对大麻浆A连续打浆。大麻浆A纤维打浆浓度（2.8～3.2）%，打浆度/湿重（80～85）°SR/（9.5-13.5）g；将分散好的质量浓度为16%的碳酸钙溶液（粒径≤3.2μm）加入到大麻浆A中，即得到成浆；将成浆选择长网纸机进行生产制造，车速为260m/min。(3) Beating: The hemp pulp A is continuously beaten with double disc mills. Hemp pulp A fiber beating concentration (2.8-3.2)%, beating degree/wet weight (80-85) °SR/(9.5-13.5) g; the dispersed calcium carbonate solution with a mass concentration of 16% (particle size ≤ 3.2 μm) was added to the hemp pulp A to obtain the finished pulp; the finished pulp was produced on a fourdrinier paper machine at a speed of 260m/min.
（4）抄纸：将混合浆料稀释到浓度0.6%，经短循环系统分别加入瓜耳胶增强剂，瓜耳胶助留剂，消泡剂，杀菌剂，保证纤维均匀分散，在网部成型和压榨部脱水处理，得到水分为60~68%的湿纸页；湿纸页经过前干烘干处理（温度为65~120℃）；在前干烘干处理后纸页的水分为5.0~7.0%，在纸页上涂布助燃剂及氧化淀粉复配的溶液混合物再次经过后干烘干处理（温度为95~125℃），经卷取得到本色全大麻卷烟纸。(4) Papermaking: Dilute the mixed slurry to a concentration of 0.6%, add guar gum enhancer, guar gum retention aid, defoamer, and fungicide through the short circulation system to ensure that the fibers are evenly dispersed. Dehydration treatment in the forming and pressing section to obtain a wet paper sheet with a moisture content of 60-68%; the wet paper sheet undergoes pre-drying treatment (at a temperature of 65-120°C); the moisture content of the paper sheet after the pre-drying treatment is 5.0 ~7.0%, coating the solution mixture of combustion enhancer and oxidized starch on the paper, and then after post-drying and drying (temperature 95~125°C), the natural color full hemp cigarette paper is obtained by rolling.
其中：瓜耳胶增强剂质量浓度为（0.2~0.5）%，它在纸浆中的加入量为纸浆总量的（0.1~0.9）%；瓜耳胶助留剂质量浓度为（0.2~0.5）%，它在纸浆中的加入量为纸浆总量的（0.02~0.10）%；杀菌剂在纸浆中的加入量为纸浆总量的（0.001~0.15）%；消泡剂与水按1：6比例稀释，它在纸浆中的加入量为纸浆总量的（0.005~0.50）%。复配助燃试剂由助燃剂和氧化淀粉按照质量比为1：0.8复配，质量浓度为6.0%，加入量为8.0%，所述助燃剂为柠檬酸钾和柠檬酸钠按质量比为1：1复配。Among them: the mass concentration of guar gum strengthening agent is (0.2~0.5)%, and its addition amount in the pulp is (0.1~0.9)% of the total amount of pulp; the mass concentration of guar gum retention aid is (0.2~0.5) %, the amount of it added to the pulp is (0.02~0.10)% of the total pulp; the amount of fungicide added to the pulp is (0.001~0.15)% of the total pulp; the ratio of defoamer to water is 1:6 Proportional dilution, its addition amount in the pulp is (0.005~0.50)% of the total pulp. The compound combustion-supporting agent is compounded by combustion-supporting agent and oxidized starch according to the mass ratio of 1:0.8, the mass concentration is 6.0%, and the addition amount is 8.0%. The combustion-supporting agent is potassium citrate and sodium citrate at a mass ratio of 1: 1 compound.
本对比例的大麻卷烟纸指标为：定量：29g/㎡；抗张强度： 1.35kN/m；伸长率1.30%，抗张能量吸收11.86J/㎡；透气度：50CU；白度：89.9%；不透明度：76.8%；灰分：20.2%。The indicators of the hemp cigarette paper in this comparative example are: basis weight: 29g/㎡; tensile strength: 1.35kN/m; elongation: 1.30%, tensile energy absorption: 11.86J/㎡; air permeability: 50CU; whiteness: 89.9% ; Opacity: 76.8%; Ash: 20.2%.
对比例2Comparative example 2
本对比例提供一种提高全大麻卷烟纸强度的生产方法，包括以下步骤：This comparative example provides a kind of production method that improves the strength of whole hemp cigarette paper, comprises the following steps:
（1）蒸煮：将大麻韧皮与大麻杆芯按质量比分别为3：7混合装锅，采用亚硫酸盐法制备，蒸煮药液总量占绝干浆的19～23%，蒸煮液比为2.0～3.0，蒸煮时间均为12小时，获得大麻浆B，放锅硬度6.0～16.0KaPPa，黑液残碱6～14g/l。(1) Cooking: The hemp bast and the hemp stalk core are mixed in a pot according to the mass ratio of 3:7 respectively, and prepared by the sulfite method. The total amount of cooking liquid accounts for 19-23% of the dry pulp, and the cooking liquid ratio 2.0-3.0, the cooking time is 12 hours, and hemp pulp B is obtained, the pot hardness is 6.0-16.0KaPPa, and the residual alkali of black liquor is 6-14g/l.
（2）洗磨：使用槽式洗磨机进行洗磨，洗磨时间5～12h，洗磨叩解度：大麻浆B:35～400SR，洗磨湿重7～10g；再使用三级除渣系统，一级为重质除渣，二、三级为轻质除渣。(2) Washing and grinding: use a tank-type washing and grinding machine for washing and grinding, the washing and grinding time is 5-12 hours, the washing and grinding degree: hemp pulp B: 35-400 SR, the wet weight of washing and grinding is 7-10g; then use the third grade The slag removal system, the first level is heavy slag removal, and the second and third level are light slag removal.
（3）打浆：采用双盘磨对大麻浆B连续打浆。大麻浆B纤维打浆浓度（2.8～3.2）%，打浆度/湿重（40～65）°SR/（1.5~5.0）g；将分散好的质量浓度为18%的碳酸钙溶液（粒径≤3.2μm）加入到大麻浆B中，即得到成浆；将成浆选择长网纸机进行生产制造，车速为260m/min。(3) Beating: Double disc mills are used to continuously beat the hemp pulp B. Hemp pulp B fiber beating concentration (2.8-3.2)%, beating degree/wet weight (40-65) °SR/(1.5-5.0) g; the dispersed calcium carbonate solution with a mass concentration of 18% (particle size ≤ 3.2 μm) was added to the hemp pulp B to obtain the finished pulp; the finished pulp was produced on a fourdrinier paper machine at a speed of 260m/min.
（4）抄纸：将混合浆料稀释到浓度0.6%，经短循环系统分别加入瓜耳胶增强剂，瓜耳胶助留剂，消泡剂，杀菌剂，保证纤维均匀分散，在网部成型和压榨部脱水处理，得到水分为60~68%的湿纸页；湿纸页经过前干烘干处理（温度为65~120℃）；在前干烘干处理后纸页的水分为5.0~7.0%，在纸页上涂布助燃剂及氧化淀粉复配的溶液混合物再次经过后干烘干处理（温度为95~125℃），经卷取得到本色全大麻卷烟纸。(4) Papermaking: Dilute the mixed slurry to a concentration of 0.6%, add guar gum enhancer, guar gum retention aid, defoamer, and fungicide through the short circulation system to ensure that the fibers are evenly dispersed. Dehydration treatment in the forming and pressing section to obtain a wet paper sheet with a moisture content of 60-68%; the wet paper sheet undergoes pre-drying treatment (at a temperature of 65-120°C); the moisture content of the paper sheet after the pre-drying treatment is 5.0 ~7.0%, coating the solution mixture of combustion enhancer and oxidized starch on the paper, and then after post-drying and drying (temperature 95~125°C), the natural color full hemp cigarette paper is obtained by rolling.
其中：瓜耳胶增强剂质量浓度为（0.2~0.5）%，它在纸浆中的加入量为纸浆总量的（0.1~0.9）%；瓜耳胶助留剂质量浓度为（0.2~0.5）%，它在纸浆中的加入量为纸浆总量的（0.02~0.10）%；杀菌剂在纸浆中的加入量为纸浆总量的（0.001~0.15）%；消泡剂与水按1：6比例稀释，它在纸浆中的加入量为纸浆总量的（0.005~0.50）%。复配助燃试剂由助燃剂和氧化淀粉按照质量比为1：0.8复配，质量浓度为8.0%，加入量为10.0%，所述助燃剂为柠檬酸钾和柠檬酸钠按质量比为1：1复配。Among them: the mass concentration of guar gum strengthening agent is (0.2~0.5)%, and its addition amount in the pulp is (0.1~0.9)% of the total amount of pulp; the mass concentration of guar gum retention aid is (0.2~0.5) %, the amount of it added to the pulp is (0.02~0.10)% of the total pulp; the amount of fungicide added to the pulp is (0.001~0.15)% of the total pulp; the ratio of defoamer to water is 1:6 Proportional dilution, its addition amount in the pulp is (0.005~0.50)% of the total pulp. The compound combustion-supporting agent is compounded by combustion-supporting agent and oxidized starch according to the mass ratio of 1:0.8, the mass concentration is 8.0%, and the addition amount is 10.0%. The combustion-supporting agent is potassium citrate and sodium citrate according to the mass ratio of 1: 1 compound.
本对比例的大麻卷烟纸指标为：定量：29g/㎡；抗张强度： 0.78kN/m；伸长率1.10%，抗张能量吸收6.25J/㎡；透气度：50CU；白度：89.7%；不透明度：76.3%；灰分：20.4%。The indicators of the hemp cigarette paper in this comparative example are: basis weight: 29g/㎡; tensile strength: 0.78kN/m; elongation: 1.10%, tensile energy absorption: 6.25J/㎡; air permeability: 50CU; whiteness: 89.7% ; Opacity: 76.3%; Ash: 20.4%.
对比例3Comparative example 3
本对比例提供一种提高全大麻卷烟纸强度的生产方法，包括以下步骤：This comparative example provides a kind of production method that improves the strength of whole hemp cigarette paper, comprises the following steps:
（1）打浆：采用双盘磨对亚麻浆连续打浆。亚麻浆纤维打浆浓度（2.8～3.2）%，打浆度/湿重（75～85）°SR/（8.0-11.5）g，得到混合浆；将分散好的质量浓度为16%的碳酸钙溶液（粒径≤3.2μm）加入到混合浆中，即得到混合成浆；将混合浆料选择长网纸机进行生产制造，车速260m/min。(1) Beating: The flax pulp is continuously beaten with double disc mills. Flax pulp fiber beating concentration (2.8-3.2)%, beating degree/wet weight (75-85) °SR/(8.0-11.5) g, to obtain mixed pulp; the dispersed calcium carbonate solution with a mass concentration of 16% ( Particle size ≤ 3.2μm) is added to the mixed pulp to obtain a mixed pulp; the mixed pulp is produced on a Fourdrinier paper machine at a speed of 260m/min.
（2）抄纸：将混合浆料稀释到浓度0.6%，经短循环系统分别加入瓜耳胶增强剂，瓜耳胶助留剂，消泡剂，杀菌剂，保证纤维均匀分散，在网部成型和压榨部脱水处理，得到水分为60~68%的湿纸页；湿纸页经过前干烘干处理（温度为65~120℃）；在前干烘干处理后纸页的水分为5.0~7.0%，在纸页上涂布助燃剂及氧化淀粉复配的溶液混合物再次经过后干烘干处理（温度为95~125℃），经卷取得到本色全大麻卷烟纸。(2) Papermaking: Dilute the mixed slurry to a concentration of 0.6%, add guar gum enhancer, guar gum retention aid, defoamer, and fungicide through the short circulation system to ensure that the fibers are evenly dispersed. Dehydration treatment in the forming and pressing section to obtain a wet paper sheet with a moisture content of 60-68%; the wet paper sheet undergoes pre-drying treatment (at a temperature of 65-120°C); the moisture content of the paper sheet after the pre-drying treatment is 5.0 ~7.0%, coating the solution mixture of combustion enhancer and oxidized starch on the paper, and then after post-drying and drying (temperature 95~125°C), the natural color full hemp cigarette paper is obtained by rolling.
其中：瓜耳胶增强剂质量浓度为（0.2~0.5）%，它在纸浆中的加入量为纸浆总量的（0.1~0.9）%；瓜耳胶助留剂质量浓度为（0.2~0.5）%，它在纸浆中的加入量为纸浆总量的（0.02~0.10）%；杀菌剂在纸浆中的加入量为纸浆总量的（0.001~0.15）%；消泡剂与水按1：6比例稀释，它在纸浆中的加入量为纸浆总量的（0.005~0.50）%。复配助燃试剂由助燃剂和氧化淀粉按照质量比为1：0.8复配，质量浓度为10.0%，加入量为6.0%，所述助燃剂为柠檬酸钾和柠檬酸钠按质量比为1：1复配。Among them: the mass concentration of guar gum strengthening agent is (0.2~0.5)%, and its addition amount in the pulp is (0.1~0.9)% of the total amount of pulp; the mass concentration of guar gum retention aid is (0.2~0.5) %, the amount of it added to the pulp is (0.02~0.10)% of the total pulp; the amount of fungicide added to the pulp is (0.001~0.15)% of the total pulp; the ratio of defoamer to water is 1:6 Proportional dilution, its addition amount in the pulp is (0.005~0.50)% of the total pulp. The compound combustion-supporting agent is compounded by combustion-supporting agent and oxidized starch according to the mass ratio of 1:0.8, the mass concentration is 10.0%, and the addition amount is 6.0%. The combustion-supporting agent is potassium citrate and sodium citrate according to the mass ratio of 1: 1 compound.
本对比例的大麻卷烟纸指标为：定量：29g/㎡；抗张强度： 0.92kN/m；伸长率1.16%，抗张能量吸收7.12J/㎡；透气度：50CU；白度：89.1%；不透明度：75.1%；灰分：20.1%。The indicators of the hemp cigarette paper in this comparative example are: basis weight: 29g/㎡; tensile strength: 0.92kN/m; elongation: 1.16%, tensile energy absorption: 7.12J/㎡; air permeability: 50CU; whiteness: 89.1% ; Opacity: 75.1%; Ash: 20.1%.
对比例4Comparative example 4
本对比例提供一种提高全大麻卷烟纸强度的生产方法，包括以下步骤：This comparative example provides a kind of production method that improves the strength of whole hemp cigarette paper, comprises the following steps:
（1）打浆：采用双盘磨分别对针叶浆、阔叶浆连续打浆。针叶浆纤维打浆浓度（3.8～4.2）%，打浆度/湿重（85～90）°SR/（8.0-10.5）g；阔叶浆纤维打浆浓度（3.8～4.2）%，打浆度/湿重（40～44）°SR/（1.5-3.5）g得到混合浆；将分散好的填料((粒径≤3.2μm)加入到混合浆中，即得到混合成浆；将混合浆料选择长网纸机进行生产制造，车速260m/min。(1) Beating: double-disk mills are used to continuously beat softwood pulp and broadleaf pulp respectively. Coniferous pulp fiber beating concentration (3.8-4.2)%, beating degree/wet weight (85-90)°SR/(8.0-10.5)g; hardwood pulp fiber beating concentration (3.8-4.2)%, beating degree/wet weight Weight (40～44)°SR/(1.5-3.5)g to obtain mixed slurry; add dispersed filler ((particle size≤3.2μm) into the mixed slurry to obtain mixed slurry; choose long The net paper machine is used for production and manufacturing, with a speed of 260m/min.
（2）抄纸：将混合浆料稀释到浓度0.6%，经短循环系统分别加入瓜耳胶增强剂，瓜耳胶助留剂，消泡剂，杀菌剂，保证纤维均匀分散，在网部成型和压榨部脱水处理，得到水分为60~68%的湿纸页；湿纸页经过前干烘干处理（温度为65~120℃）；在前干烘干处理后纸页的水分为5.0~7.0%，在纸页上涂布助燃剂及氧化淀粉复配的溶液混合物再次经过后干烘干处理（温度为95~125℃），经卷取得到本色全大麻卷烟纸。(2) Papermaking: Dilute the mixed slurry to a concentration of 0.6%, add guar gum enhancer, guar gum retention aid, defoamer, and fungicide through the short circulation system to ensure that the fibers are evenly dispersed. Dehydration treatment in the forming and pressing section to obtain a wet paper sheet with a moisture content of 60-68%; the wet paper sheet undergoes pre-drying treatment (at a temperature of 65-120°C); the moisture content of the paper sheet after the pre-drying treatment is 5.0 ~7.0%, coating the solution mixture of combustion enhancer and oxidized starch on the paper, and then after post-drying and drying (temperature 95~125°C), the natural color full hemp cigarette paper is obtained by rolling.
其中：瓜耳胶增强剂质量浓度为（0.2~0.5）%，它在纸浆中的加入量为纸浆总量的（0.1~0.9）%；瓜耳胶助留剂质量浓度为（0.2~0.5）%，它在纸浆中的加入量为纸浆总量的（0.02~0.10）%；杀菌剂在纸浆中的加入量为纸浆总量的（0.001~0.15）%；消泡剂与水按1：6比例稀释，它在纸浆中的加入量为纸浆总量的（0.005~0.50）%。复配助燃试剂由助燃剂和氧化淀粉按照质量比为1：0.8复配，质量浓度为8.0%，加入量为8.0%，所述助燃剂为柠檬酸钾和柠檬酸钠按质量比为1：1复配。Among them: the mass concentration of guar gum strengthening agent is (0.2~0.5)%, and its addition amount in the pulp is (0.1~0.9)% of the total amount of pulp; the mass concentration of guar gum retention aid is (0.2~0.5) %, the amount of it added to the pulp is (0.02~0.10)% of the total pulp; the amount of fungicide added to the pulp is (0.001~0.15)% of the total pulp; the ratio of defoamer to water is 1:6 Proportional dilution, its addition amount in the pulp is (0.005~0.50)% of the total pulp. The compound combustion-supporting agent is compounded by combustion-supporting agent and oxidized starch according to the mass ratio of 1:0.8, the mass concentration is 8.0%, and the addition amount is 8.0%. The combustion-supporting agent is potassium citrate and sodium citrate at a mass ratio of 1: 1 compound.
本对比例的大麻卷烟纸指标为：定量：29g/㎡；抗张强度： 1.08kN/m；伸长率1.20%，抗张能量吸收8.75J/㎡；透气度：50CU；白度：89.4%；不透明度：73.6%；灰分：20.3%。The indicators of the hemp cigarette paper in this comparative example are: basis weight: 29g/㎡; tensile strength: 1.08kN/m; elongation: 1.20%, tensile energy absorption: 8.75J/㎡; air permeability: 50CU; whiteness: 89.4% ; Opacity: 73.6%; Ash: 20.3%.
结论：通过表1的数据可以看出，在实际生产全大麻卷烟纸过程中，将大麻浆A和大麻浆B配合使用，在提高成纸强度的同时优化了成纸透气度，并且获得的卷烟纸质量稳定、强度指标较高。Conclusion: From the data in Table 1, it can be seen that in the actual production of all-hemp cigarette paper, the combination of hemp pulp A and hemp pulp B can improve the strength of the paper and optimize the air permeability of the paper, and the obtained cigarette The paper quality is stable and the strength index is high.
表1实施例和对比例的指标结果对比The index result contrast of table 1 embodiment and comparative example
此外，通过对实施例和对比例的卷烟及燃烧对比，由于大麻生产卷烟纸 不透明度高，卷烟更美观，且燃烧灰色白，碳线细，且相比木浆卷烟纸无木 质气味，提升评吸香气质量。In addition, by comparing the cigarettes and combustion of the examples and the comparative examples, because the cigarette paper produced from hemp has high opacity, the cigarettes are more beautiful, and the combustion is gray and white, the carbon line is thin, and there is no woody smell compared with the wood pulp cigarette paper, which improves the evaluation. Inhale aroma quality.
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, those skilled in the art can make the above-mentioned The embodiments are subject to changes, modifications, substitutions and variations.
| Application Number | Priority Date | Filing Date | Title |
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| CN201910766554.5ACN110552249A (en) | 2019-08-20 | 2019-08-20 | Production method for improving strength of full hemp cigarette paper |
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| CN201910766554.5ACN110552249A (en) | 2019-08-20 | 2019-08-20 | Production method for improving strength of full hemp cigarette paper |
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