浙江农业学报
浙江農業學報
절강농업학보
ACTA AGRICULTURAE ZHEJIANGENSIS
2014年
1期
194-199
,共6页
徐庆贤%官雪芳%林碧芬%钱蕾%林斌
徐慶賢%官雪芳%林碧芬%錢蕾%林斌
서경현%관설방%림벽분%전뢰%림빈
沼气池%产气率%智能化%玻璃钢%太阳能增温系统
沼氣池%產氣率%智能化%玻璃鋼%太暘能增溫繫統
소기지%산기솔%지능화%파리강%태양능증온계통
biogas digester%biogas production rate%glass fiber reinforced plastic%solar energy heating system
以福建省新星种猪育种有限公司和福建省永盛农牧科技发展有限公司的钢筋混凝土沼气池、太阳能加热玻璃钢沼气池和智能化上流式玻璃钢沼气池为研究对象,在进料污水相近,水力滞留期(HRT)同为10 d的条件下,比较分析了不同工艺沼气池一年中的发酵温度随气温变化情况、沼气池进出料COD变化情况以及产气效果。结果表明:①相同条件下,未加温玻璃钢沼气池比混凝土沼气池年平均温度高0.85℃以上,上流式玻璃钢沼气池、折流式玻璃钢沼气池和混凝土沼气池年平均容积产气率分别为0.74,0.44和0.35 m3· m-3·d-1;②太阳能加温玻璃钢沼气池年平均容积产气率为0.77 m3·m-3·d-1,高于未加温玻璃钢沼气池(0.44 m3· m-3· d-1);③智能化玻璃钢沼气池年平均容积产气率为0.93 m3· m-3· d-1,高于太阳能加温玻璃钢沼气池。
以福建省新星種豬育種有限公司和福建省永盛農牧科技髮展有限公司的鋼觔混凝土沼氣池、太暘能加熱玻璃鋼沼氣池和智能化上流式玻璃鋼沼氣池為研究對象,在進料汙水相近,水力滯留期(HRT)同為10 d的條件下,比較分析瞭不同工藝沼氣池一年中的髮酵溫度隨氣溫變化情況、沼氣池進齣料COD變化情況以及產氣效果。結果錶明:①相同條件下,未加溫玻璃鋼沼氣池比混凝土沼氣池年平均溫度高0.85℃以上,上流式玻璃鋼沼氣池、摺流式玻璃鋼沼氣池和混凝土沼氣池年平均容積產氣率分彆為0.74,0.44和0.35 m3· m-3·d-1;②太暘能加溫玻璃鋼沼氣池年平均容積產氣率為0.77 m3·m-3·d-1,高于未加溫玻璃鋼沼氣池(0.44 m3· m-3· d-1);③智能化玻璃鋼沼氣池年平均容積產氣率為0.93 m3· m-3· d-1,高于太暘能加溫玻璃鋼沼氣池。
이복건성신성충저육충유한공사화복건성영성농목과기발전유한공사적강근혼응토소기지、태양능가열파리강소기지화지능화상류식파리강소기지위연구대상,재진료오수상근,수력체류기(HRT)동위10 d적조건하,비교분석료불동공예소기지일년중적발효온도수기온변화정황、소기지진출료COD변화정황이급산기효과。결과표명:①상동조건하,미가온파리강소기지비혼응토소기지년평균온도고0.85℃이상,상류식파리강소기지、절류식파리강소기지화혼응토소기지년평균용적산기솔분별위0.74,0.44화0.35 m3· m-3·d-1;②태양능가온파리강소기지년평균용적산기솔위0.77 m3·m-3·d-1,고우미가온파리강소기지(0.44 m3· m-3· d-1);③지능화파리강소기지년평균용적산기솔위0.93 m3· m-3· d-1,고우태양능가온파리강소기지。
The traditional biogas digester , biogas digester of glass fiber reinforced plastic ( GFRP) using solar energy heating system and intelligent biogas digester in Xin-xing pig farm and Yong-sheng pig farm in Fujian Province were compared for biogas production .The index of feed of the three different technology biogas digesters was close and HRT was 10 d.The fermentation temperature changed with climate temperature , COD levels at the entrance and exit of biogas digesters and biogas production rate of biogas digesters were compared and analyzed in one year .The result showed that , firstly in the same conditions , the fermentation temperature of GFRP biogas digester was 0.85℃higher than that of traditional biogas digester , the biogas production rate of up-flow GFRP biogas digester , baffling GFRP biogas digester and traditional biogas digester was 0.74 , 0.44 and 0.35 m3· m-3· d-1 respectively .Secondly , the biogas production rate of GFRP biogas digester using solar energy heating system was 0.74 m3· m-3· d-1 , which was higher than that of GFRP biogas digester without solar energy heating system .Thirdly, the biogas production rate of intelligent biogas digester was 0.93 m3· m-3· d-1 , which was higher than that of GFRP biogas digester using solar energy heating system .