WO2017166857A1 - 棉杆制作可降解地膜纸的方法 - Google Patents

棉杆制作可降解地膜纸的方法 Download PDF

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WO2017166857A1
WO2017166857A1 PCT/CN2016/108931 CN2016108931W WO2017166857A1 WO 2017166857 A1 WO2017166857 A1 WO 2017166857A1 CN 2016108931 W CN2016108931 W CN 2016108931W WO 2017166857 A1 WO2017166857 A1 WO 2017166857A1
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paper
sent
degradable
cotton
producing
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PCT/CN2016/108931
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English (en)
French (fr)
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滕铁生
张跃平
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新疆国力源投资有限公司
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Publication of WO2017166857A1 publication Critical patent/WO2017166857A1/zh

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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00Pretreatment of the finely-divided materials before digesting
    • D21C1/02Pretreatment of the finely-divided materials before digesting with water or steam
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H11/00Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/12Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/02Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/18De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00Methods of beating or refining; Beaters of the Hollander type
    • D21D1/02Methods of beating; Beaters of the Hollander type
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20Methods of refining
    • D21D1/34Other mills or refiners

Definitions

  • the present invention relates to a method of making a degradable film from a cotton swab.
  • Xinjiang is the main cotton producing area in China. Its cotton planting area has reached more than half of the country's total planting area in 14 years, reaching 35 million mu. About 80 kilograms of cotton rods can be produced per mu of cotton fields, and about 8.75 million tons of cotton rod resources are available in Xinjiang. At present, the main methods of cotton rod treatment are: in-situ burning, smashing and returning to the field and straw power generation are all disappointing results.
  • the technical problem to be solved by the present invention is to overcome the existing drawbacks and provide a method for making a degradable film paper by a cotton rod.
  • the present invention provides the following technical solutions:
  • the method for making a degradable film paper by a cotton swab includes the following steps:
  • step (3) The coarse pulp of step (3) is sent to the paper machine after washing, beating, pasting, and slag removal, and is copied into a film paper.
  • the step (1) has a length of 30-40 mm and a diameter of 2-3 mm.
  • step (2) 2 to 2.5% of potassium hydroxide, 1.5 to 1.8% of ammonium sulfite, and 1.2 to 1.5% of sodium tripolyphosphate are added, based on the weight of the section.
  • the ratio of the material to the liquid during cooking is 1:4.5, the temperature is 135 to 140 ° C, and the time is 95 to 100 minutes.
  • the cooked material is first spirally dehydrated, and then sent to a twin-screw refiner for rubbing and separating.
  • the film contains a large amount of nitrogen, phosphorus and potassium, which provides nutrients for cotton growth after degradation.
  • the system generated wastewater b / c ratio is high, can reach about 0.5, very easy to biochemical, water treatment can use biological treatment methods, pointing out the direction for papermaking zero emissions.
  • the prepared raw material (material section) is sent to the steaming warehouse by belt conveyor (manufacturer: Dandong Ogilvy & Light Industry Machinery Co., Ltd. Model: S650) (Manufacturer: Dandong Ogilvy & Light Industry Machinery Co., Ltd. Model: QZC25) Pre-steaming (normal pressure, time 1-10min), and then through the material plug screw (manufacturer: Tianjin Zhongqing Machinery Co., Ltd. Model: FD150) to the continuous steamer (manufacturer: Tianjin Zhongqing Machinery Co., Ltd.
  • Model: FD150 for continuous Cooking, adding 2 ⁇ 2.5% potassium hydroxide, 1.5 ⁇ 1.8% ammonium sulfite, 1.2-1.5% sodium tripolyphosphate, cooking ratio 1:4.5, cooking according to the weight of the section during cooking The temperature is 135 to 140 ° C, and the cooking time is 95 to 100 min.
  • the cooked raw materials are sent to the spiral dewatering machine by means of unloading, and the dehydrated raw materials enter the twin-screw refiner (manufacturer: Jiangsu Jinwo Machinery Co., Ltd. Model: TSP240) for rubbing and separating the yarn to obtain a brown pulp. .
  • the slurry is highly concentrated and slag removed. After screening, it enters the papermaking workshop and is used to form a film paper by using a stacking paper machine (manufacturer: Fuyang First Paper Machinery Co., Ltd. Model: 4400/300).

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Biological Depolymerization Polymers (AREA)

Abstract

一种棉杆制作可降解地膜纸的方法,该方法包括如下步骤:(1)将棉杆切成料段;(2)将料段送入汽蒸仓预蒸后,再送入连蒸器进行蒸煮;(3)蒸煮后的物料送入双螺杆磨浆机进行搓摩分丝,得到粗浆;(4)步骤(3)的粗浆经洗浆、打浆、消遣、除渣后送抄纸机,抄造成地膜纸。采用本方法,抄纸效率高可达到90~95%,系统产生的废水b/c比值高,极易生化,可采用生物处理的办法,制作的地膜纸中含有大量的氮,磷,钾,降解后为棉花生长提供了养料,同传统塑料薄膜相比可节省成本1/3左右。

Description

棉杆制作可降解地膜纸的方法 技术领域
本发明涉及一种棉杆制作可降解地膜纸的方法。
背景技术
新疆是我国棉花主产区,其棉花种植面积14年已经达到全国总种植面积的一半以上,达到3500万亩。每亩棉田可产出棉杆约250公斤,全疆约有875万吨的棉杆资源可利用。目前棉杆处理的办法主要是:就地焚烧、粉碎后还田和秸秆发电等,均是令人失望的结果。
新疆春季经常出现大风降温、倒春寒等极端天气,为保证棉花及时出苗、保墒情,棉花播种不得不采取地膜覆盖保温。由于塑料薄膜不可降解,又没办法回收,所以,“白色污染”越来越严重。
如何解决“白色污染”问题?除加强塑料薄膜的回收,找到可替代塑料薄膜的可降解地膜势在必行。
发明内容
本发明要解决的技术问题是克服现有的缺陷,提供了一种棉杆制作可降解地膜纸的方法。
为了解决上述技术问题,本发明提供了如下的技术方案:
棉杆制作可降解地膜纸的方法,包括如下步骤:
(1)将棉杆切成料段;
(2)将料段送入汽蒸仓预蒸后,再送入连蒸器进行蒸煮;
(3)蒸煮后的物料送入双螺杆磨浆机进行搓摩分丝,得到粗浆;
(4)步骤(3)的粗浆经洗浆、打浆、消遣、除渣后送抄纸机,抄造成地膜纸。
进一步,步骤(1)料段的长30-40mm,直径2-3mm。
进一步,步骤(2)按料段重量计,加入2~2.5%的氢氧化钾,1.5~1.8%的亚硫酸铵,1.2~1.5%的三聚磷酸钠。
进一步,蒸煮时的料液比为1:4.5,温度为135~140℃,时间为95~100min。
进一步,蒸煮后的物料先螺旋脱水,再送入双螺杆磨浆机进行搓摩分丝。
进一步,抄造时,按吨浆计,加入120~130公斤的玉米淀粉,15~20公斤造纸湿强剂,10~12公斤纸张防水防潮剂。
本发明的有益效果:
1、抄纸效率高可达到90~95%。
2、地膜纸中含有大量的氮,磷,钾,降解后为棉花生长提供了养料。
3、系统产生的废水b/c比值高,可达到0.5左右,极易生化,水处理可采用生物处理的办法,为造纸零排放指明了方向。
4、工艺流程简单,造纸成本低。同传统塑料薄膜相比可节省成本1/3左右。
具体实施方式
以下对本发明的优选实施例进行说明,应当理解,此处所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
实施例1
1、将全植株棉杆用旋切机(厂家:章丘市托尼机械制造有限公司型号:XQ2500)切成长30~40mm长,直径2~3mm的料段,用圆筒筛(厂家:章丘市托尼机械制造有限公 司型号:YTS800)去除杂质和细屑后备用。
2、将备好的原料(料段)用皮带输送机(厂家:丹东奥美轻工机械有限公司型号:S650)送至汽蒸仓(厂家:丹东奥美轻工机械有限公司型号:QZC25)进行预蒸(常压,时间1-10min),再经料塞螺旋(厂家:天津中轻机械有限公司型号:FD150)输送至连蒸器(厂家:天津中轻机械有限公司型号:FD150)进行连续蒸煮,在蒸煮过程中按料段重量计加入2~2.5%的氢氧化钾,1.5~1.8%的亚硫酸铵,1.2~1.5%的三聚磷酸钠,蒸煮料液比为1:4.5,蒸煮温度为135~140℃,蒸煮时间为95~100min。
3、蒸煮好的原料以卸料的方式送至螺旋脱水机,脱水后的原料进入双螺杆磨浆机(厂家:江苏金沃机械有限公司型号:TSP240)进行搓摩分丝,制得粗浆。
4、将制得粗浆经4台挤浆机(厂家:丹东奥美轻工机械有限公司型号:AOM800)逆式洗涤后,送至高浓磨浆机(厂家:吉林市景皓机械制造有限公司型号:TDX1100)进行高浓打浆,磨后浆进入浆池消遣。
5、消遣后的浆料经高浓除渣,筛选后进入抄纸车间,用叠网纸机(厂家:沁阳市第一造纸机械有限公司型号:4400/300)抄造成地膜纸。
6、在抄造地膜纸过程中按吨浆计,加入120~130公斤的玉米淀粉,15~20公斤造纸湿强剂(骏能化工,河北厂,PPE型),10~12公斤纸张防水防潮剂(骏能化工,河北厂)。
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (7)

  1. 棉杆制作可降解地膜纸的方法,包括如下步骤:
    (1)将棉杆切成料段;
    (2)将料段送入汽蒸仓预蒸后,再送入连蒸器进行蒸煮;
    (3)蒸煮后的物料送入双螺杆磨浆机进行搓摩分丝,得到粗浆;
    (4)步骤(3)的粗浆经洗浆、打浆、消遣、除渣后送抄纸机,抄造成地膜纸。
  2. 根据权利要求1所述棉杆制作可降解地膜纸的方法,其特征在于,步骤(1)料段的长30-40mm,直径2-3mm。
  3. 根据权利要求1所述棉杆制作可降解地膜纸的方法,其特征在于,步骤(2)按料段重量计,加入2~2.5%的氢氧化钾,1.5~1.8%的亚硫酸铵,1.2~1.5%的三聚磷酸钠。
  4. 根据权利要求3所述棉杆制作可降解地膜纸的方法,其特征在于,蒸煮时的料液比为1:4.5,温度为135~140℃,时间为95~100min。
  5. 根据权利要求1所述棉杆制作可降解地膜纸的方法,其特征在于,蒸煮后的物料先螺旋脱水,再送入双螺杆磨浆机进行搓摩分丝。
  6. 根据权利要求1所述棉杆制作可降解地膜纸的方法,其特征在于,抄造时,按吨浆计,加入120~130公斤的玉米淀粉,15~20公斤造纸湿强剂,10~12公斤纸张防水防潮剂。
  7. 依权利要求1-6任一方法制作的可降解地膜纸。
PCT/CN2016/108931 2016-03-28 2016-12-07 棉杆制作可降解地膜纸的方法 WO2017166857A1 (zh)

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CN105821699B (zh) * 2016-03-28 2017-12-08 新疆国力源投资有限公司 棉杆制作可降解地膜纸的方法
CN108374293B (zh) * 2018-03-09 2020-10-23 金鑫 一种生物质特性纸的制备方法及其使用方法
CN108642954A (zh) * 2018-04-04 2018-10-12 上海馨星环保科技有限公司 一种用秸秆造纸的方法及其制成的可全降解产品
CN110122307B (zh) * 2019-05-21 2022-02-25 刘利军 一种多层结构可降解绿色有机环保营养盘
CN110760087A (zh) * 2019-11-08 2020-02-07 魏常炬 一种适用棉田平原抗风耐寒可分解农用地膜及其制备方法
CN112359633A (zh) * 2020-11-04 2021-02-12 江西中竹生物质科技有限公司 农用地膜纸制浆系统
CN113089382B (zh) * 2021-03-12 2022-08-09 海南大学 一种自胶合全降解有机覆盖垫及制作方法

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