SONG Xiao-ya.Review of Biennial Operation of Xiaohongmen Thermal Hydrolysis Anaerobic Digestion System[J].China Water & Wastewater,2018,34(22):116-122.
小紅門污泥熱水解厭氧消化項(xiàng)目運(yùn)行兩周年之回顧
- Title:
- Review of Biennial Operation of Xiaohongmen Thermal Hydrolysis Anaerobic Digestion System
- 文章編號:
- 1000-4602(2018)22-0116-07
- Keywords:
- sludge treatment; thermal hydrolysis; anaerobic digestion; plate and frame filter dewatering; biogas utilization
- 分類號:
- TU992
- 文獻(xiàn)標(biāo)志碼:
- C
- 摘要:
- 小紅門熱水解厭氧消化系統(tǒng),是國內(nèi)首個采用康碧熱水解+厭氧消化工藝的大型污泥升級改造工程。通過回顧兩年的實(shí)際運(yùn)行情況,全面總結(jié)了熱水解、厭氧消化、板框脫水的生產(chǎn)和技術(shù)指標(biāo),并與主要設(shè)計值進(jìn)行對比。熱水解處理后的污泥含水率穩(wěn)定,鏡檢顯示活性污泥破壁效果明顯,消化產(chǎn)氣量、有機(jī)物分解率、板框脫水后泥餅含水率等指標(biāo)均優(yōu)于設(shè)計指標(biāo)。沼氣品質(zhì)較好,但廠內(nèi)利用有限,需進(jìn)一步考慮沼氣的綜合利用問題。同時,針對除渣、除砂裝置運(yùn)行效率低,熱水解系統(tǒng)稀釋水用量較多等問題,提出優(yōu)化建議。
- Abstract:
- Xiaohongmen thermal hydrolysis anaerobic digestion system was the first large-scale sludge upgrading project in China which adopted Cambi thermal hydrolysis anaerobic digestion process. By reviewing two years of operation, the operation indexes of project, such as thermal hydrolysis, anaerobic digestion, plate and frame filter, were summarized and compared with the design values. The moisture of sludge treated by thermal hydrolysis was stable and the cell-wall breaking effect was obvious under microscopy. The indexes of digestion gas yield, organic matter decomposition rate and moisture content of cake after dehydration by plate and frame filter were all better than the design indexes. The quality of biogas was good, however, the utilization of biogas plant was limited at present, so the comprehensive utilization of biogas should be further considered. At the same time, the problems in actual operation were summarized, and the optimization suggestions were put forward in view of the low operation efficiency of the slag removal, sand removal devices and the large amount of dilution water in the thermal hydrolysis system.
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備注/Memo
作者簡介:宋曉雅(1971- ), 女, 河北石家莊人,大學(xué)本科, 教授級高級工程師, 先后參與高碑店、小紅門、槐房、高安屯等消化系統(tǒng)的啟動調(diào)試, 參與高碑店、延慶康莊、小紅門再生水等污水和再生水系統(tǒng)的調(diào)試運(yùn)行工作。 E-mail:songxy@bdc.cn
收稿日期:2018-08-16
來源：http://zggsps.paperonce.org//oa/darticle.aspx?type=view&id=201822025
