CN107043483A - 地膜回收再利用的方法 - Google Patents

地膜回收再利用的方法 Download PDF

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CN107043483A
CN107043483A CN201710041381.1A CN201710041381A CN107043483A CN 107043483 A CN107043483 A CN 107043483A CN 201710041381 A CN201710041381 A CN 201710041381A CN 107043483 A CN107043483 A CN 107043483A
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孙佳音
吾提库尔·胡斯曼
柴翼
孙佳峰
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    • A01G13/00—Protecting plants
    • A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
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    • A01G13/0268—Mats or sheets, e.g. nets or fabrics
    • A01G13/0275—Films
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    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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Abstract

本发明公开了一种地膜回收再利用的方法，包括如下步骤：1）回收夹杂有泥沙和秸秆的地膜混合料：用机械将地中的废弃地膜进行集中回收；2）将地膜混合料进行称重，并通过添加泥沙或秸秆调整所述的地膜混合料密度，得到预混料；3）将预混料进行加热至140‑170℃，碾磨，捏合，最后压制成型后得到地膜成型材料。所述预混料中包括如下重量份组分：聚乙烯 3.5‑4份，聚丙烯 2‑3份，泥沙 2.5‑3份，秸秆 2‑2.5份。本发明公开的方法不用人挑拣、漂洗，即刻使用，大大提高了农用废地膜的用途，既环保又减少了不必要的劳动力。该材料坚硬耐磨、防冻、抗老化能力强，可以制多种产品。实现了地膜的回收再利用，防止了地膜掩埋和焚烧，变废为宝，创造商业价值。

Description

地膜回收再利用的方法
技术领域
本发明涉及地膜回收技术领域,尤其涉及一种地膜回收再利用的方法。
背景技术
从目前的情况看，废旧农膜回收问题是世界各国都面临的一个“顽疾”。国外的地膜厚度一般为0.02～0.05mm，其抗拉强度比较大，可连续使用2～3年，因此主要采取收卷式回收地膜。国内地膜厚度只有0.006～0.008mm(GB13735规定的最小厚度为0.008mm)，主要填埋法，许多国家不同程度的在使用这种方式，但因地膜质量轻，又不易腐烂，导致填埋地日益减少，对环境的污染严重，所以很难进一步发发展。二是焚烧法，该法是近年来常用的一种废旧农膜处理方法，废旧农膜焚烧时发热量大，可利用热能发电，但释放出的有害气体会污染空气环境，又带来二次污染。三是回收再利用法，通过分解废旧农膜回收乙烯及提炼石油制品等，将废旧农膜经过再生处理，制成塑料制品。
以前，人工作业性回收率低，作业效果差，劳动强度大，人工只能捡拾去土壤表层的废旧农膜，造成大量的地膜使用后没有得到有效清理，年复一年，不断累积，并随着每年的耕翻作业，分层到了整个田间的耕层里，影响农田土壤质量和作物的生长。现在，回收方法主要是机械回收，废旧农膜回收机械不能产生直接的经济效益，机具价格高，制约了废旧农膜机械化的进程。
环保部门无法处理的废弃农用地膜，以往加工方法要经过挑拣、漂洗，然后在加工，这种加工方法费时、费力、浪费水，没有商业价值。
发明内容
为解决现有技术和实际情况中存在的上述问题，本发明提供了一种地膜回收再利用的方法，包括如下步骤：
1）回收夹杂有泥沙和秸秆的地膜混合料：用机械将地中的废弃地膜进行集中回收；
2）将地膜混合料进行称重，并通过添加泥沙或秸秆调整所述的地膜混合料密度，得到预混料；
3）将预混料同时进行加热至140-170℃，碾磨，捏合，最后压制成型后得到地膜成型材料，即完成地膜的回收再利用。
优选地，所述预混料中包括如下重量份组分：聚乙烯 3.5-4份，聚丙烯 2-3份，泥沙 2.5-3份，秸秆 2-2.5份。
本发明公开的方法不用人挑拣、漂洗，即刻使用，大大提高了农用废地膜的用途，既环保又减少了不必要的劳动力。泥沙起到了坚硬的作用，秸秆通过研磨变成纤维，起到抗拉作用，废地膜起到粘合作用，该材料坚硬耐磨、防冻、抗老化能力强，可以制多种产品。实现了地膜的回收再利用，防止了地膜掩埋和焚烧，变废为宝，创造商业价值。
具体实施方式
本发明公开了一种地膜回收再利用的方法，以棉花地为例，包括如下步骤：
1）回收夹杂有泥沙和秸秆的地膜混合料：用机械将棉花地中的废弃地膜进行集中回收；
2）将地膜混合料进行称重，并通过添加泥沙或秸秆调整所述的地膜混合料密度，得到预混料；其中预混料中包括如下重量份组分：聚乙烯 3.5-4份，聚丙烯 2-3份，泥沙 2.5-3份，秸秆 2-2.5份；
3）将预混料同时进行加热至140-170℃，在此温度下加热15-20分钟，排出，高温下碾磨，捏合，最后压制成型后得到地膜成型材料，即完成地膜的回收再利用。
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 (2)

1.一种地膜回收再利用的方法，其特征在于，包括如下步骤：
1）回收夹杂有泥沙和秸秆的地膜混合料：用机械将地中的废弃地膜进行集中回收；
2）将地膜混合料进行称重，并通过添加泥沙或秸秆调整所述的地膜混合料密度，得到预混料；
3）将预混料同时进行加热至140-170℃，碾磨，捏合，最后压制成型后得到地膜成型材料，即完成地膜的回收再利用。
2.根据权利要求1所述的地膜回收再利用的方法，其特征在于，所述预混料中包括如下重量份组分：聚乙烯 3.5-4份，聚丙烯 2-3份，泥沙 2.5-3份，秸秆 2-2.5份。
CN201710041381.1A 2017-01-20 2017-01-20 地膜回收再利用的方法 Pending CN107043483A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107738461A (zh) * 2017-10-20 2018-02-27 成都新柯力化工科技有限公司 一种再生薄膜塑料制备农用地膜的方法
CN110238987A (zh) * 2019-07-24 2019-09-17 石河子大学 一种木塑颗粒制造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101945571A (zh) * 2007-12-17 2011-01-12 罗卡制造私人有限公司 塑料地膜回收器
CN103444473A (zh) * 2013-08-22 2013-12-18 深圳市聚源天成技术有限公司 残留地膜回收方法及回收机组
CN104725707A (zh) * 2015-04-10 2015-06-24 民勤县家兴节能服务有限公司 一种废旧地膜复合材料及加工方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101945571A (zh) * 2007-12-17 2011-01-12 罗卡制造私人有限公司 塑料地膜回收器
CN103444473A (zh) * 2013-08-22 2013-12-18 深圳市聚源天成技术有限公司 残留地膜回收方法及回收机组
CN104725707A (zh) * 2015-04-10 2015-06-24 民勤县家兴节能服务有限公司 一种废旧地膜复合材料及加工方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王彦亭等: "《中国烟草地膜覆盖栽培技术》", 31 October 2005, 北京：中国农业科学技术出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107738461A (zh) * 2017-10-20 2018-02-27 成都新柯力化工科技有限公司 一种再生薄膜塑料制备农用地膜的方法
CN107738461B (zh) * 2017-10-20 2019-06-28 威正包装制品（上海）有限公司 一种再生薄膜塑料制备农用地膜的方法
CN110238987A (zh) * 2019-07-24 2019-09-17 石河子大学 一种木塑颗粒制造方法

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Application publication date: 20170815