HAO Er-cheng,GUO Yi,LIU Wei-yan,et al.Operation Analysis of Wastewater Treatment Plant Based on Mathematical Simulation: Modeling and Examination[J].China Water & Wastewater,2020,36(15):23-28.
基于數(shù)學(xué)模擬的污水廠運(yùn)行分析——建模與體檢
- Title:
- Operation Analysis of Wastewater Treatment Plant Based on Mathematical Simulation: Modeling and Examination
- 關(guān)鍵詞:
- 污水處理廠; 工藝模擬; 歷史監(jiān)測數(shù)據(jù); 模型校準(zhǔn); 數(shù)字化
- Keywords:
- wastewater treatment plant; process simulation; historical monitoring data; model calibration; digitalization
- 摘要:
- 在北美、歐洲、南非等國家和地區(qū), 污水處理工藝模擬已經(jīng)廣泛應(yīng)用于污水處理的開發(fā)、設(shè)計(jì)、提標(biāo)改造和優(yōu)化運(yùn)行管理等方面,成為污水處理行業(yè)的標(biāo)準(zhǔn)實(shí)踐。在國內(nèi),污水處理工藝模擬應(yīng)用起步較晚,正處于發(fā)展階段。應(yīng)用工藝模擬技術(shù)對污水處理廠進(jìn)行管理,一方面可以大大提高運(yùn)營管理水平;另一方面也可為實(shí)現(xiàn)智慧化水廠奠定基礎(chǔ)。以東莞大嶺山連馬污水處理廠作為示范,建立并校正了該污水處理廠的工藝模型,應(yīng)用模型對污水處理廠運(yùn)行現(xiàn)狀進(jìn)行體檢,尋找邊界運(yùn)行條件。結(jié)果表明,在設(shè)計(jì)流量條件下的運(yùn)行過程中,當(dāng)MLSS低于3 000 mg/L、進(jìn)水TN高于20 mg/L時(shí),出水氨氮有超標(biāo)風(fēng)險(xiǎn);當(dāng)進(jìn)水TN達(dá)到36 mg/L時(shí),若要保證出水水質(zhì)穩(wěn)定達(dá)標(biāo),COD必須大于200 mg/L,當(dāng)MLSS為6 000 mg/L時(shí),最大處理水量為8.5×104 m3/d。
- Abstract:
- In North America, Europe, South Africa and other regions, wastewater treatment process simulation has been widely used in the development, design, upgrading and optimization of wastewater treatment plants (WWTPs) management, and has become a standard practice in the wastewater treatment industry. In China, the simulation of wastewater treatment process started late and is in the development stage. On the one hand, the application of process simulation technology to the management of WWTPs can greatly improve the level of operational management. On the other hand, it can also lay a foundation for intelligent WWTPs. A process model of Dalingshan Lianma WWTP in Dongguan City, Guangdong was set up and calibrated. The calibrated model was then used to analyze the operation of the process and find boundary operational conditions. When MLSS was lower than 3 000 mg/L and total nitrogen of influent was higher than 20 mg/L under the design flow rate, ammonia nitrogen in the effluent had the risk of exceeding the standard. When the total nitrogen of influent reached 36 mg/L, COD must be greater than 200 mg/L so as to meet the effluent standards, when MLSS was 6 000 mg/L, the maximum treatment capacity was 8.5×104 m3/d.
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