沼氣發(fā)酵微生物是人工生產(chǎn)沼氣的重要因素。沼氣微生物數(shù)量眾多，可以獲得各種微生物的基本生長條件，因此沼氣發(fā)酵原料可以在微生物的作用下轉(zhuǎn)化為沼氣。大型沼氣工程的啟動和調(diào)試是指沼氣池中厭氧活性污泥的過程從接種物和原料開始，經(jīng)過馴化和培養(yǎng)，逐漸增加沼氣池中厭氧活性污泥的數(shù)量和活性，直至沼氣池運(yùn)行達(dá)到要求的過程。
Biogas fermentation microorganism is an important factor in the artificial production of biogas. The number of biogas microorganisms is large, and the basic growth conditions of various microorganisms can be obtained. Therefore, the biogas fermentation raw materials can be converted into biogas under the action of microorganisms. The start-up and commissioning of large-scale biogas project refers to the process of anaerobic activated sludge in the biogas digester, which starts with inoculants and raw materials, gradually increases the quantity and activity of anaerobic activated sludge in the biogas digester after domestication and cultivation, until the biogas digester meets the requirements for operation.
新合環(huán)保
Xinhe Environmental Protection
關(guān)于大型沼氣工程的啟動調(diào)試應(yīng)在工程竣工驗收合格后進(jìn)行，同時還應(yīng)做好下列的運(yùn)行管理的基本要求：
The start-up and commissioning of large biogas projects shall be carried out after the completion acceptance of the project, and the following basic requirements for operation management shall also be met:
1、運(yùn)行管理人員熟悉大型沼氣工程工藝、設(shè)施設(shè)備的運(yùn)行要求和技術(shù)指標(biāo)；
1. The operation management personnel are familiar with the operation requirements and technical indicators of large-scale biogas engineering processes, facilities and equipment;
2、操作人員熟悉該位置設(shè)施設(shè)備的操作要求和技術(shù)指標(biāo)，并了解沼氣工程工藝流程；
2. The operators are familiar with the operation requirements and technical indicators of the facilities and equipment at this location, and understand the biogas engineering process flow;
3、操作人員應(yīng)準(zhǔn)時準(zhǔn)確填寫操作記錄，運(yùn)營管理人員應(yīng)定期檢查原始記錄；
3. The operators shall fill in the operation records timely and accurately, and the operation management personnel shall regularly check the original records;
4、運(yùn)行管理人員和操作人員應(yīng)按照工藝和管理規(guī)定檢查結(jié)構(gòu)、設(shè)備、電器和儀表的操作。
4. The operation management personnel and operators shall check the operation of structures, equipment, electrical appliances and instruments according to the process and management regulations.
大型沼氣工程管理要點：
Key management points of large-scale biogas project:
1、投料量和周期應(yīng)按工藝設(shè)計參數(shù)進(jìn)行，并在實踐中摸索出參數(shù)；
1. The feeding amount and cycle shall be carried out according to the process design parameters, and the parameters shall be found out in practice;
2、維持相對穩(wěn)定的厭氧消化溫度；
2. Maintain relatively stable anaerobic digestion temperature;
3、厭氧消化器的攪拌根據(jù)工藝要求進(jìn)行。采用沼氣攪拌的，在啟動期間或產(chǎn)氣量不足時，應(yīng)輔以機(jī)械或泵等其它方式攪拌；
3. The anaerobic digester shall be stirred according to the process requirements. If biogas is used for mixing, it shall be mixed by machinery or pump or other means during startup or when the gas production is insufficient;
4、厭氧消化器的攪拌不得與排泥同時進(jìn)行；
4. The mixing of anaerobic digester shall not be carried out simultaneously with sludge discharge;
5、宜每日監(jiān)測：pH值、揮發(fā)酸、總堿度、溫度、氣壓、產(chǎn)氣量和沼氣成分等指標(biāo)，掌握厭氧消化池運(yùn)行工況，并根據(jù)監(jiān)測數(shù)據(jù)及時調(diào)整大型沼氣工程運(yùn)行方案或采取相應(yīng)措施。
5. It is advisable to monitor indicators such as pH value, volatile acid, total alkalinity, temperature, air pressure, gas production and biogas composition every day, master the operating conditions of anaerobic digester, and timely adjust the operation scheme of large biogas projects or take corresponding measures according to the monitoring data.
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