CN1347767A - 城市垃圾无公害处理方法 - Google Patents

城市垃圾无公害处理方法 Download PDF

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CN1347767A
CN1347767A CN00123057A CN00123057A CN1347767A CN 1347767 A CN1347767 A CN 1347767A CN 00123057 A CN00123057 A CN 00123057A CN 00123057 A CN00123057 A CN 00123057A CN 1347767 A CN1347767 A CN 1347767A
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rubbish
sieve
gravity treatment
earthworm
methane
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CN1167519C (zh
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于绍志
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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Abstract

一种城市垃圾无公害处理方法,是将垃圾手选出大块杂物后,经粗筛、开包破碎、风选、中筛、重选、细筛。将得到的杂物分类回收出售。细筛筛下垃圾喂养蚯蚓,中筛筛上垃圾的大部分与蚯蚓混合煮沸后作为饲料养猪,猪的粪尿和中筛筛上垃圾的小部分用来产沼气,沼气用来煮沸饲料,产沼气的剩余物作为农家肥出售。垃圾处理过程中所需之水,由地膜渗滤水处理技术进行水处理,并循环使用。本发明具有综合利用,消除二次污染,保护环境等优点。

Description

城市垃圾无公害处理方法
本发明涉及环境保护，特别是涉及城市垃圾无公害处理方法。
已有的城市垃圾处理是采取深埋、堆放、烧毁的方法。其结果是对环境造成严重的二次污染。
本发明的目的是发明一种综合利用城市垃圾，从而消除二次污染，保护环境的城市垃圾无公害处理方法。
本发明的城市垃圾无公害处理方法是将垃圾经手选选出大块杂物后进行粗筛，粗筛的筛上垃圾经破碎、风选，风选的较重垃圾返回粗筛；粗筛的筛下垃圾经中筛，中筛的筛下垃圾进行细筛，细筛的筛上垃圾用来喂养蚯蚓；中筛的筛上垃圾进行重选，重选的轻垃圾经脱水、粉碎后的一大部分与蚯蚓混合煮沸，成为饲料，饲料用于养猪；用水将猪的粪尿冲入沼气池、并将一小部分粉碎后的重选轻垃圾放入沼气池，沼气池所产沼气用于为煮沸供热；垃圾手选选出的大块杂物、风选的较轻垃圾经手选选出的废纸和经水洗的塑料以及杂物、重选的重垃圾经手选选出的杂物、饲养的成猪全部出售；蚯蚓的***物和养蚯蚓的剩余垃圾、沼气池中的废水、产沼气的剩余物、细筛的筛下垃圾作为粪肥出售；水洗塑料的污水和重选后脱水脱出的污水排入地膜渗滤水处理沟池，处理后的净水供重选和塑料的水洗以及猪粪尿的冲洗用水，并循环使用。
沼气池用不完的猪粪尿，可以出售；养猪用不完的饲料，可发出售。
本发明的城市垃圾无公害处理方法具有将城市垃圾全部综合利用，变废为宝和消除城市垃圾处理所产生的二次污染以及净化环境、保护环境等优点。
图1城市垃圾无公害处理方法流程框图。
结合图1——流程框图中的作业名称加画括号表示——的实施例：本发明的城市垃圾无公害处理方法是将城市(垃圾)经(手选)选出(大块杂物)后，采用棒条筛进行(粗筛)，(粗筛)的筛上垃圾采用sh-yI型破碎开包机进行塑料袋等包装的“开包”、并进行(破碎)、采用4-72离心通风机进行(风选)，(风送)的较重垃圾返回(粗筛)；(粗筛)的筛下垃圾采用30mm×30mm振动筛进行(中筛)，(中筛)的筛下垃圾采用5mm×5mm振动筛进行(细筛)，(细筛)的筛上垃圾用来喂(养蚯蚓)，(中筛)的筛上垃圾采用摇床进行(重选)，(重选)的轻垃圾采用快速摇动筛进行(脱水)、采用青饲料粉碎机进行(粉碎)后的一大部分与蚯蚓混合(煮沸)，成为高蛋白(饲料)，(饲料)用于(养猪)；用水将猪的(粪尿)冲入(沼气池)、并将一小部分(粉碎)后的(重选)轻垃圾放入(沼气池)，(沼气池)所产(沼气)用于为(煮沸)供热；(垃圾)经(手选)选出的(大块杂物)、(风选)的较轻垃圾经(手选)选出的(废纸)和经(水洗)的(塑料)以及杂物、(重选)的重垃圾经(手选)选出的(杂物)、(养猪)饲养的成猪全部分种类出售。(养蚯蚓)的***物和剩余垃圾、(沼气池)中的废水、产(沼气)的剩余物、(细筛)的筛下垃圾都作为粪肥出售；(水洗)(塑料)的污水和(重选)后(脱水)脱出的污水排入已有的技术(地膜渗滤水处理)沟池，处理后的净水供(重选)和(塑料)的(水洗)以及猪(粪尿)的冲洗用水，并循环使用。

Claims (1)

1、一种城市垃圾无公害处理方法，其特征是将垃圾经手选选出大块杂物后进行粗筛，粗筛的筛上垃圾经破碎、风选，风选的较重垃圾返回粗筛；粗筛的筛下垃圾经中筛，中筛的筛下垃圾进行细筛，细筛的筛上垃圾用来喂养蚯蚓；中筛的筛上垃圾进行重选，重选的轻垃圾经脱水、粉碎后的一大部分与蚯蚓混合煮沸，成为饲料，饲料用于养猪；用水将猪的粪尿冲入沼气池、并将一小部分粉碎后的重选轻垃圾放入沼气池，沼气池所产沼气用于为煮沸供热；垃圾手选选出的大块杂物、风选的较轻垃圾经手选选出的废纸和经水洗的塑料以及杂物、重选的重垃圾经手选选出的杂物、饲养的成猪全部出售；蚯蚓的***物和养蚯蚓的剩余垃圾、沼气池中的废水、产沼气的剩余物、细筛的筛下垃圾作为粪肥出售；水洗塑料的污水和重选后脱水脱出的污水排入地膜渗滤水处理沟池，处理后的净水供重选和塑料的水洗以及猪粪尿的冲洗用水，并循环使用。
CNB001230573A 2000-10-10 2000-10-10 城市垃圾无公害处理方法 Expired - Fee Related CN1167519C (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1306865C (zh) * 2003-11-20 2007-03-28 黄山青 清粪方法
CN100431721C (zh) * 2003-12-03 2008-11-12 万元坤 城市生活垃圾热解馏化处理工艺方法
CN101348315B (zh) * 2008-09-02 2010-06-16 同济大学 利用蚯蚓生物滤池处理城镇污水厂剩余污泥的方法
CN104785492A (zh) * 2014-06-18 2015-07-22 湖南紫博星生物科技发展有限公司 一种城市垃圾分类回收再生***

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1306865C (zh) * 2003-11-20 2007-03-28 黄山青 清粪方法
CN100431721C (zh) * 2003-12-03 2008-11-12 万元坤 城市生活垃圾热解馏化处理工艺方法
CN101348315B (zh) * 2008-09-02 2010-06-16 同济大学 利用蚯蚓生物滤池处理城镇污水厂剩余污泥的方法
CN104785492A (zh) * 2014-06-18 2015-07-22 湖南紫博星生物科技发展有限公司 一种城市垃圾分类回收再生***

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