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大型沼气工程如何进行运行管理?

时间:2020-05-19
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  沼气发酵是人工生产沼气的一个重要因素。沼气微生物数量众多,可以获得各种微生物的基本生长条件,因此沼气发酵原料可以在微生物的作用下转化为沼气。大型沼气项目的启动和调试的过程是指在沼气池厌氧活性污泥接种和原材料,通过驯化和文化,逐渐增加的数量和活动在沼气池厌氧活性污泥,直到沼气池满足需求的操作过程。
  Biogas fermentation is an important factor in the production of biogas. There are a large number of biogas microorganisms, which can obtain the basic growth conditions of various microorganisms. Therefore, biogas fermentation raw materials can be transformed into biogas under the action of microorganisms. The start-up and commissioning process of large-scale biogas project refers to the operation process of inoculation and raw materials of anaerobic activated sludge in biogas digester, through domestication and culture, gradually increasing the number and activity of anaerobic activated sludge in biogas digester until the biogas digester meets the demand.
  大型沼气工程
  Large scale biogas project
  大型沼气项目竣工验收后进行启动调试,满足以下基本运行管理要求:
  After the completion acceptance of large biogas project, start-up and commissioning shall be carried out to meet the following basic operation management requirements:
  1. 操作管理人员必须熟悉大型沼气工程的工艺流程、操作要求和设施设备的技术指标;
  1. The operation and management personnel must be familiar with the process flow, operation requirements and technical indicators of facilities and equipment of large-scale biogas project;
  2. 操作人员必须熟悉现场设施设备的操作要求和技术指标,了解沼气工程流程;
  2. Operators must be familiar with the operation requirements and technical indicators of on-site facilities and equipment, and understand the biogas engineering process;
  3.操作人员应按时、准确填写《操作记录》,操作管理人员应定期核对原始记录;
  3. The operator shall fill in the operation record on time and accurately, and the operation manager shall check the original record regularly;
  4. 操作管理人员和操作人员应当按照工艺规程和管理规定,检查结构、设备、电器、仪表的运行情况。
  4. The operation management personnel and operators shall check the operation of structures, equipment, electrical appliances and instruments in accordance with the technological procedures and management regulations.
生物脱硫
  大型沼气项目管理要点:
  Key points of large biogas project management:
  1. 根据工艺设计参数进行进料量和进料周期,并在实践中找出优良的工艺参数;
  1. According to the process design parameters, feed quantity and feed cycle are carried out, and excellent process parameters are found out in practice;
  2. 保持一个相对稳定的厌氧消化温度;
  2. Maintain a relatively stable anaerobic digestion temperature;
  3.厌氧消化池的搅拌按工艺要求进行。如果沼气用于搅拌,则在启动或产气不足时,应与机械搅拌或泵搅拌等其他方法相结合。
  3. The mixing of anaerobic digestion tank shall be carried out according to the process requirements. If biogas is used for mixing, it shall be combined with other methods such as mechanical mixing or pump mixing when starting or gas production is insufficient.
  4. 厌氧消化池的混合不得与排泥同时进行;
  4. Mixing of anaerobic digestion tank shall not be carried out at the same time with sludge discharge;
  5. 建议每日监测:pH值、挥发酸、总碱度、温度、气压、产气量、沼气组成等,掌握厌氧消化池的运行情况,并根据监测数据及时调整大型沼气项目的运行方案或采取相应措施。
  5. It is recommended to monitor daily: pH value, volatile acid, total alkalinity, temperature, air pressure, gas production, biogas composition, etc., master the operation of anaerobic digester, and adjust the operation scheme of large biogas project or take corresponding measures according to the monitoring data.