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为了使沼气发酵原料不受冬春季节气温影响,除加强沼气池保温管理外,还要对生产沼气的物质基础采用适应的技术措施。利用热性发酵原料作为添加剂,为发酵细菌提供生长繁殖所需的微量元素,可加速有机物的分解,提高产气量。现将有关添加剂及应用技术介绍如下: 1.热性发酵原料 如豆腐坊、酒坊、粉坊、屠宰场下脚热水等,这些热性废弃物,直接投入池内或经过沉淀入池,可提高池温,增加产气量。 2.碳酸氢铵添加剂 用量为原料容积的0.1％～0.3％,拌在原料中投入池内发酵,可提高产气量30％左右。
In order to make biogas fermentation raw materials not affected by the temperature in winter and spring, in addition to strengthening the biogas thermal insulation management, but also to the material basis for the production of biogas using adaptive technical measures. The use of raw materials as a thermal fermentation additives, fermentation bacteria to provide the necessary growth and reproduction of trace elements, can accelerate the decomposition of organic matter, increase gas production. The relevant additives and application of technology are as follows: 1. Thermal fermentation of raw materials such as bean curd Square, wine Square, powder Square, slaughterhouse under the foot of hot water, these thermal waste, directly into the pool or after settling into the pool can be increased Pool temperature, increase gas production. 2. The dosage of ammonium bicarbonate additive is 0.1% ~ 0.3% of the raw material volume. When it is mixed with the raw material, it can be fermented in the pool to increase the gas production by about 30%.