沼气生物脱硫装置  化工厂脱硫设备工程原料预处理技术
Raw Material Pretreatment Technology for Desulfurization Equipment Engineering in Chemical Plant of Biogas Desulfurization Unit
根据不同的原料来源（秸秆、畜禽粪便和农业生产体系废物），原料预处理技术可分为以下类型：
According to different sources of raw materials (straw, livestock manure and agricultural production system waste), raw material pretreatment technologies can be divided into the following types:
1.基于秸秆的原料预处理技术
1. Raw material pretreatment technology based on straw
以秸秆为主要原料的原料预处理技术主要包括物理方法（机械破碎、高温热解）、化学方法（酸预处理、碱预处理、臭氧处理）和物理和化学方法（物理和化学相结合）
The raw material pretreatment technology with straw as the main raw material mainly includes physical methods (mechanical crushing, high-temperature pyrolysis), chemical methods (acid pretreatment, alkali pretreatment, ozone treatment) and physical and chemical methods (physical and chemical combination)
2.基于畜禽粪便的原料预处理技术
2. Raw material pretreatment technology based on livestock manure
，粪便和其他废物在均化槽中搅拌和均化。为了防止原料结块和纤维物质对泵、阀门、外部设备、控制和其他下游设备造成问题，使用切碎机对原料进行均质
First, feces and other wastes are stirred and homogenized in the homogenizing tank. In order to prevent problems caused by raw material caking and fibrous substances to pumps, valves, external equipment, controls and other downstream equipment, shredders are used to homogenize raw materials

割断。混合后的原料在混合罐中调整浓度和加热温度后，可以被送到发酵罐。
Cut. The mixed raw materials can be sent to the fermentation tank after the concentration and heating temperature are adjusted in the mixing tank.
3、基于农业生产体系废弃物的原料预处理技术
3. Raw material pretreatment technology based on agricultural production system wastes
基于农业生产体系废弃物的原料预处理技术是针对厨房和果蔬生物质废弃物等生活垃圾的非均质、半流态特点，集除杂、破碎、均质、制浆为一体的一整套预处理技术。该技术可有效分离农业生产体系废物和无机废物，分离出的农业生产体系浆料可储存在罐中，可通过厌氧发酵技术进一步处理,分类的无机物质，如塑料、废纸和金属，可以回收或送往垃圾填埋场。通过垃圾分类和无机物回收利用，改善材料的运输和混合特性，确保处理系统持续稳定运行。结合农业生产体系物厌氧发酵生产沼气等技术，废物将“一个个分解"，充分体现低碳经济和循环经济发展模式下的理念创新。
Raw material pretreatment technology based on agricultural production system waste is a complete set of pretreatment technology integrating impurity removal, crushing, homogenization and pulping, aiming at the heterogeneous and semi fluid characteristics of domestic waste such as kitchen, fruit and vegetable biomass waste. This technology can effectively separate agricultural production system wastes and inorganic wastes. The separated agricultural production system slurry can be stored in tanks and further treated through anaerobic fermentation technology. Classified inorganic substances, such as plastics, waste paper and metals, can be recycled or sent to the landfill. Improve the transportation and mixing characteristics of materials through garbage classification and inorganic recycling to ensure the continuous and stable operation of the treatment system. In combination with technologies such as biogas production by anaerobic fermentation of agricultural production system, waste will be "decomposed one by one", fully reflecting the concept innovation under the development mode of low-carbon economy and circular economy.
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