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2020-10-29
垃圾的收集需要了解哪些?
我国目前主要大中型城市的垃圾由环卫部门工人收集后,送往制定的中转站,然后根据各地情况,分别采用填埋和焚烧等方法进行处理;不发达地区的小城镇或农村等,都是收集后直接采用填埋的方式;有些农村的垃圾因处理费用的问题,无人专门进行收集,村民各户一部分用于堆肥外,都是散落于各处,对环境造成较大影响
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垃圾的收集需要了解哪些?
Date﹕2020-10-29|Source:Eclear Environmental
       我国目前垃圾的收集情况如何?

       我国目前主要大中型城市的垃圾由环卫部门工人收集后,送往制定的中转站,然后根据各地情况,分别采用填埋和焚烧等方法进行处理;不发达地区的小城镇或农村等,都是收集后直接采用填埋的方式;有些农村的垃圾因处理费用的问题,无人专门进行收集,村民各户一部分用于堆肥外,都是散落于各处,对环境造成较大影响

       垃圾收集方式中真空垃圾收集系统原理是?

       指通过预先铺设好的管道系统,利用负压技术将生活垃圾抽送至中央垃圾收集站,再由压缩车运送至垃圾处置场的过程。这种负压气力收集是一种自成体系的收集系统,是由倾卸垃圾的通道,通道阀输送管道,机械中心,收集转运站等组成的垃圾收运系统。但对垃圾分类有要求,在国内厨余垃圾不能进行真空收集。国外的厨余垃圾因为比较干燥成小颗粒状、杂物不多,是进管道处理的,但因为国内居民的生活习惯,厨余等生活垃圾泥土多、水分大,所以中国达不到真空收集条件。

        真空垃圾收集系统有何优缺点?

优点:


(1)垃圾流密封、隐蔽、和人流完全隔离,有效地杜绝了收集过程中的二次污染,包括臭味、蚊蝇、噪音和视觉污染;


(2)显著降低垃圾收集劳动强度,提高收集效率,优化环卫工人劳动环境;


(3)取消手推车、垃圾桶、箩筐等传统垃圾收集工具,基本避免了垃圾运输车辆穿行于居住区,减轻交通压力和环境污染;


(4)垃圾收集、压缩可以全天候自动运行,垃圾成分不受雨季影响,有利于填埋场、焚烧厂的稳定运行;


(5)可利用一套公共管道收集系统自动分别收集可回收和不可回收垃圾。


缺点:一次性投资大;对系统的维护和管理要求较高。
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