CN107098731A - 三级自动恒温高效腐殖厌氧发酵工艺 - Google Patents

三级自动恒温高效腐殖厌氧发酵工艺 Download PDF

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CN107098731A
CN107098731A CN201710414893.8A CN201710414893A CN107098731A CN 107098731 A CN107098731 A CN 107098731A CN 201710414893 A CN201710414893 A CN 201710414893A CN 107098731 A CN107098731 A CN 107098731A
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贺德明
苏明田
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Abstract

本发明公开了一种三级自动恒温高效腐殖厌氧发酵工艺,包括发酵物料配方和绿肥造粒配方,所述发酵物料配方:秸秆与杂草1吨、臭污泥0.6吨、污水0.5吨、牲畜粪便0.5吨;所述绿肥造粒配方:沼渣每吨30公斤熟石灰和5公斤氨水;与现有技术相比,本发明通过三级发酵,采用合理的配方,能够提高沼气的产量,同时,发酵物能够制成有机绿色肥料,并采用石灰和氨水进行除臭和延长存放期,具有推广应用的价值。

Description

三级自动恒温高效腐殖厌氧发酵工艺
技术领域
本发明涉及一种有机肥与沼气发酵工艺,尤其涉及一种三级自动恒温高效腐殖厌氧发酵工艺。
背景技术
腐殖厌氧发酵是指有机物质(如人畜家禽粪便、秸秆、杂草等)在一定的水分、温度和厌氧条件下,通过种类繁多、数量巨大、且功能不同的各类微生物的分解代谢,最终形成甲烷和二氧化碳等混合性气体(沼气)的复杂的生物化学过程。为了提高沼气与有机肥的产量,需要不断的改进与创新。
发明内容
本发明的目的就在于为了解决上述问题而提供一种三级自动恒温高效腐殖厌氧发酵工艺。
本发明通过以下技术方案来实现上述目的:
本发明包括发酵物料配方和绿肥造粒配方,所述发酵物料配方:秸秆与杂草1吨、臭污泥0.6吨、污水0.5吨、牲畜粪便0.5吨;所述绿肥造粒配方:沼渣每吨30公斤熟石灰和5公斤氨水;其发酵工艺包括以下步骤:
(1)原料进场,对秸秆、稻草、青草、树叶、朽木等粉碎;
(2)对垃圾进行分拣,挑出塑料、玻璃等物品,然后进行粉碎;
(3)加入臭污泥作为酵母剂和牲畜粪便后进行搅拌;
(4)进入一级自动恒温高效腐殖厌氧发酵罐中,恒温温度35-38度之间;
(5)加污水定时搅拌,保持糊状,新罐一级发酵50天后再往一级罐加料,至此每24小时加一次料,一级发酵膨胀后没完全发酵的物料经溢流管流入二级发酵罐;
(6)二级发酵罐随着一级发酵罐每间隔24小时物料的不断加入也逐渐满罐至溢流管注入三级发酵罐,物料进入三级发酵罐后已完全发酵完毕;三段发酵所产生的沼气收集使用;
(7)经三级发酵罐底部出料口放出已发酵完全的物料;排出物料经干湿分离系统进行沼液和沼渣分离处理;
(8)分离的沼液经过浓缩、过滤、取过滤物为有机营养物质,分离的沼渣进行水分挤压,而后加入定量的氨水、熟石灰搅拌,与有机营养物质混合后进入机械高温挤压造粒,得有机绿色肥料。
本发明的有益效果在于:
本发明是一种三级自动恒温高效腐殖厌氧发酵工艺,与现有技术相比,本发明通过三级发酵,采用合理的配方,能够提高沼气的产量,同时,发酵物能够制成有机绿色肥料,并采用石灰和氨水进行除臭和延长存放期,具有推广应用的价值。
具体实施方式
下面对本发明作进一步说明:
本发明包括发酵物料配方和绿肥造粒配方,所述发酵物料配方:秸秆与杂草1吨、臭污泥0.6吨、污水0.5吨、牲畜粪便0.5吨;所述绿肥造粒配方:沼渣每吨30公斤熟石灰和5公斤氨水;其发酵工艺包括以下步骤:
(1)原料进场,对秸秆、稻草、青草、树叶、朽木等粉碎;
(2)对垃圾进行分拣,挑出塑料、玻璃等物品,然后进行粉碎;
(3)加入臭污泥作为酵母剂和牲畜粪便后进行搅拌;
(4)进入一级自动恒温高效腐殖厌氧发酵罐中,恒温温度35-38度之间;
(5)加污水定时搅拌,保持糊状,新罐一级发酵50天后再往一级罐加料,至此每24小时加一次料,一级发酵膨胀后没完全发酵的物料经溢流管流入二级发酵罐;
(6)二级发酵罐随着一级发酵罐每间隔24小时物料的不断加入也逐渐满罐至溢流管注入三级发酵罐,物料进入三级发酵罐后已完全发酵完毕;三段发酵所产生的沼气收集使用;
(7)经三级发酵罐底部出料口放出已发酵完全的物料;排出物料经干湿分离系统进行沼液和沼渣分离处理;
(8)分离的沼液经过浓缩、过滤、取过滤物为有机营养物质,分离的沼渣进行水分挤压,而后加入定量的氨水、熟石灰搅拌,与有机营养物质混合后进入机械高温挤压造粒,得有机绿色肥料。
加入熟石灰和氨水是因为沼渣的气味很臭,经干燥造粒后可去掉臭味,但存放三四个月后受回潮等多种因素的影响又散发臭味,但经添加熟石灰和氨水后干燥造粒的绿色肥料存放期可达十四个月。
以上显示和描述了本发明的基本原理和主要特征及本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (1)

1.一种三级自动恒温高效腐殖厌氧发酵工艺,其特征在于:包括发酵物料配方和绿肥造粒配方,所述发酵物料配方:秸秆与杂草1吨、臭污泥0.6吨、污水0.5吨、牲畜粪便0.5吨;所述绿肥造粒配方:沼渣每吨30公斤熟石灰和5公斤氨水;其发酵工艺包括以下步骤:
(1)原料进场,对秸秆、稻草、青草、树叶、朽木等粉碎;
(2)对垃圾进行分拣,挑出塑料、玻璃等物品,然后进行粉碎;
(3)加入臭污泥作为酵母剂和牲畜粪便后进行搅拌;
(4)进入一级自动恒温高效腐殖厌氧发酵罐中,恒温温度35-38度之间;
(5)加污水定时搅拌,保持糊状,新罐一级发酵50天后再往一级罐加料,至此每24小时加一次料,一级发酵膨胀后没完全发酵的物料经溢流管流入二级发酵罐;
(6)二级发酵罐随着一级发酵罐每间隔24小时物料的不断加入也逐渐满罐至溢流管注入三级发酵罐,物料进入三级发酵罐后已完全发酵完毕;三段发酵所产生的沼气收集使用;
(7)经三级发酵罐底部出料口放出已发酵完全的物料;排出物料经干湿分离系统进行沼液和沼渣分离处理;
(8)分离的沼液经过浓缩、过滤、取过滤物为有机营养物质,分离的沼渣进行水分挤压,而后加入定量的氨水、熟石灰搅拌,与有机营养物质混合后进入机械高温挤压造粒,得有机绿色肥料。
CN201710414893.8A 2017-06-05 2017-06-05 三级自动恒温高效腐殖厌氧发酵工艺 Pending CN107098731A (zh)

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CN107500819A (zh) * 2017-09-21 2017-12-22 柳州农投生态农业科技有限公司 一种水肥发酵装置
CN108821809A (zh) * 2018-07-25 2018-11-16 江苏大学 利用农业废弃物生产有机菌肥并用于果园水肥一体施用系统及方法
CN111616009A (zh) * 2020-05-28 2020-09-04 衢州市恒辉农业科技有限公司 一种半夏提前出苗的种植方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107500819A (zh) * 2017-09-21 2017-12-22 柳州农投生态农业科技有限公司 一种水肥发酵装置
CN108821809A (zh) * 2018-07-25 2018-11-16 江苏大学 利用农业废弃物生产有机菌肥并用于果园水肥一体施用系统及方法
CN111616009A (zh) * 2020-05-28 2020-09-04 衢州市恒辉农业科技有限公司 一种半夏提前出苗的种植方法

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Application publication date: 20170829