CN107793007A - 一种生猪粪污无害化综合治理工艺 - Google Patents

一种生猪粪污无害化综合治理工艺 Download PDF

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CN107793007A
CN107793007A CN201711032649.1A CN201711032649A CN107793007A CN 107793007 A CN107793007 A CN 107793007A CN 201711032649 A CN201711032649 A CN 201711032649A CN 107793007 A CN107793007 A CN 107793007A
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pig
excrement
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anaerobic treatment
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杨信金
费阿星
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Nanxun Linghu Jingxin Ecological Pig Breeding Field
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/10Culture of aquatic animals of fish
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/30Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00Fertilisers from human or animal excrements, e.g. manure
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F9/00Fertilisers from household or town refuse
    • C05F9/04Biological compost
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00Fertilisers characterised by their form
    • C05G5/20Liquid fertilisers
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/10Energy recovery
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

本发明公开了一种生猪粪污无害化综合治理工艺,通过采用“猪‑沼气‑作物与养鱼”的生态循环养猪模式,实现生猪排泄物的资源化利用,既切实防治生猪养殖污染,又为农户免费提供沼气能源,为种植业提供有机肥、水产养殖业提供饵料,达到多产业融合、协调发展、改善农业生态环境、提高农产品品质的目的。

Description

一种生猪粪污无害化综合治理工艺
技术领域
本发明涉及生物资源循环处理技术,特别是一种生猪粪污无害化综合治理工艺。
背景技术
规模化、集约化养猪的迅猛发展,污染排放量的加大,给环境带来了前所未有的压力,要彻底解决规模化养猪引发的环境问题,不仅是政府部门密切关注的,也是养猪企业必须面对的,采用农田直接消纳式已无法解决大量粪污的问题,造成粪污对土壤、地下水、河流、大气的污染,恶化了的环境给人民生活带来了严重影响,进而严重阻碍了畜牧业的可持续发展,也与社会主义新农村的建设不相适应,大量的生猪粪污已成为当今社会三大污染源之一。
发明内容
本发明的目的在于,提供一种生猪粪污无害化综合治理工艺,通过采用“猪-沼气-作物与养鱼”的生态循环养猪模式,实现生猪排泄物的资源化利用,既切实防治生猪养殖污染,又为农户免费提供沼气能源,为种植业提供有机肥、水产养殖业提供饵料,达到多产业融合、协调发展、改善农业生态环境、提高农产品品质的目的。
本发明的技术方案:一种生猪粪污无害化综合治理工艺,其特征在于,包括以下步骤:
①雨污分离、干湿分离:生猪养殖产生的粪污,通过雨污分离设施,雨水导入渠道,养殖产生的排泄物实行干湿分离,经固液分离机处理,固液分离机分离出的粪便榨干后,通过运输车送至苗木种植基地,直接作有机肥施用;固液分离机分离出的污水进入沼气净化池,进行厌氧处理;
②厌氧处理:厌氧处理后产生的废水进入曝气氧化塘,再进行好氧处理;好氧处理后的废水,部分废水用于渔塘,作养殖肥水循环利用,部分废水通过管道和槽罐车输送至种植区,用作水稻和蔬菜的有机肥,实施肥水同灌;
厌氧处理后产生的沼渣定期抽取,用作蔬菜及牧草种植的有机肥,收割的青菜作为青饲料,改进生猪饲料结构,提高猪肉品质;
③转化能源:厌氧处理后产生的沼气进入贮气罐,部分通过沼气灯,用于场内供暖,部分通过小型发电机组,提供给生猪养殖场内供电,其余部分通过沼气输送系统为周边村民提供能源。
前述的一种生猪粪污无害化综合治理工艺,其特征在于,所述步骤①中,厌氧处理采用UASB与IC相结合的厌氧反应器。
前述的一种生猪粪污无害化综合治理工艺,其特征在于,所述步骤③中,沼气输送系统包括管网系统、调压设施、储存设施、监控及数据采集系统。
与现有技术相比,本发明通过采用“猪-沼-作物与养鱼”生态循环养猪模式,运行多种适宜技术和设备的集成,实现生猪排泄物的资源化利用,既切实防治生猪养殖污染,又为农户免费提供沼气能源,为种植业提供有机肥、水产养殖业提供饵料,达到多产业融合、协调发展、改善农业生态环境、提高农产品品质的目的,具有很好的公益性和技术推广性。
具体实施方式
下面实施例对本发明作进一步的说明,但并不作为对本发明限制的依据。
实施例
一种生猪粪污无害化综合治理工艺,包括以下步骤:
①雨污分离、干湿分离:生猪养殖产生的粪污,通过雨污分离设施,雨水导入渠道,养殖产生的排泄物实行干湿分离,经固液分离机处理,固液分离机分离出的粪便榨干后,通过运输车送至苗木种植基地,直接作有机肥施用;固液分离机分离出的污水进入沼气净化池,进行厌氧处理;
②厌氧处理:厌氧处理后产生的废水进入曝气氧化塘,再进行好氧处理;好氧处理后的废水,部分废水用于渔塘,作养殖肥水循环利用,部分废水通过管道和槽罐车输送至种植区,用作水稻和蔬菜的有机肥,实施肥水同灌;
厌氧处理后产生的沼渣定期抽取,用作蔬菜及牧草种植的有机肥,收割的青菜作为青饲料,改进生猪饲料结构,提高猪肉品质;
③转化能源:厌氧处理后产生的沼气进入贮气罐,部分通过沼气灯,用于场内供暖,部分通过小型发电机组,提供给生猪养殖场内供电,其余部分通过沼气输送系统为周边村民提供能源。
所述步骤①中,厌氧处理采用UASB与IC相结合的厌氧反应器。
所述步骤③中,沼气输送系统包括管网系统、调压设施、储存设施、监控及数据采集系统。
本发明通过"猪-沼-作物与养鱼"循环,生猪养殖的污染物全部被有效消纳,成为有机资源得到生态利用。该工艺高度集成了废弃物减量化技术、资源利用技术及污水治理等多种成熟技术于一体,以低成本、少维护、资源利用率高、处理效率好等特点为其大面积推广提供了前提条件。该模式既解决了生猪养殖污染问题,又为周边农户提供了免费的沼气能源,同时运营成本低,具有很好的公益性和技术推广性。

Claims (3)

1.一种生猪粪污无害化综合治理工艺,其特征在于,包括以下步骤:
①雨污分离、干湿分离:生猪养殖产生的粪污,通过雨污分离设施,雨水导入渠道,养殖产生的排泄物实行干湿分离,经固液分离机处理,固液分离机分离出的粪便榨干后,通过运输车送至苗木种植基地,直接作有机肥施用;固液分离机分离出的污水进入沼气净化池,进行厌氧处理;
②厌氧处理:厌氧处理后产生的废水进入曝气氧化塘,再进行好氧处理;好氧处理后的废水,部分废水用于渔塘,作养殖肥水循环利用,部分废水通过管道和槽罐车输送至种植区,用作水稻和蔬菜的有机肥,实施肥水同灌;
厌氧处理后产生的沼渣定期抽取,用作蔬菜及牧草种植的有机肥,收割的青菜作为青饲料,改进生猪饲料结构,提高猪肉品质;
③转化能源:厌氧处理后产生的沼气进入贮气罐,部分通过沼气灯,用于场内供暖,部分通过小型发电机组,提供给生猪养殖场内供电,其余部分通过沼气输送系统为周边村民提供能源。
2.根据权利要求1所述的一种生猪粪污无害化综合治理工艺,其特征在于,所述步骤①中,厌氧处理采用UASB与IC相结合的厌氧反应器。
3.根据权利要求1所述的一种生猪粪污无害化综合治理工艺,其特征在于,所述步骤③中,沼气输送系统包括管网系统、调压设施、储存设施、监控及数据采集系统。
CN201711032649.1A 2017-10-30 2017-10-30 一种生猪粪污无害化综合治理工艺 Pending CN107793007A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108934848A (zh) * 2018-06-25 2018-12-07 上海新农饲料股份有限公司 一种规模化猪场污水处理方法
CN113678786A (zh) * 2021-08-19 2021-11-23 陆荣清 一种提高生猪抗病性的生态养殖方法

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CN101269904A (zh) * 2008-04-29 2008-09-24 安徽瑞福祥食品有限公司 发酵糟液污水处理的方法及其应用
CN104310740A (zh) * 2014-10-30 2015-01-28 朱安民 一种规模养殖排污治理工艺
CN104743755A (zh) * 2015-04-21 2015-07-01 农业部环境保护科研监测所 一种存栏3000头以上牧场型干清粪奶牛场粪污综合处理方法
WO2016072960A1 (en) * 2014-11-06 2016-05-12 Young Thomas Benton Municipal waste water treatment plant design to produce byproducts and recycle water of drinking water quality

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101269904A (zh) * 2008-04-29 2008-09-24 安徽瑞福祥食品有限公司 发酵糟液污水处理的方法及其应用
CN104310740A (zh) * 2014-10-30 2015-01-28 朱安民 一种规模养殖排污治理工艺
WO2016072960A1 (en) * 2014-11-06 2016-05-12 Young Thomas Benton Municipal waste water treatment plant design to produce byproducts and recycle water of drinking water quality
CN104743755A (zh) * 2015-04-21 2015-07-01 农业部环境保护科研监测所 一种存栏3000头以上牧场型干清粪奶牛场粪污综合处理方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108934848A (zh) * 2018-06-25 2018-12-07 上海新农饲料股份有限公司 一种规模化猪场污水处理方法
CN113678786A (zh) * 2021-08-19 2021-11-23 陆荣清 一种提高生猪抗病性的生态养殖方法

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