頁籤選單縮合
題 名 | 應用墊料處理鴨排泄物之模式建立與分析 |
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作 者 | 鍾木壽; 黃振芳; 林達德; | 書刊名 | 農業工程學報 |
卷 期 | 37:4 1991.12[民80.12] |
頁 次 | 頁75-88 |
分類號 | 437.12 |
關鍵詞 | 排泄物; 處理; 墊料; 鴨; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以實驗與電腦模擬探討利用通風和鋪設墊料來達到對鴨排泄物的初步乾燥效果,以建立後段進行堆肥處理之基礎,同時提供禽舍飼養管理中以墊料乾燥處理排泄物之作業參考。利用質量平衡原理推導之數學理論模式經由室內實驗結果之驗證,在定性上與定量上兩者均相當吻合。室內實驗結果顯示墊料之含水率受降水量(排泄量)、通風風速、墊料種類等因子影響。細杉木屑較稻殼適用為墊料,於適當的鋪設厚度與強制通風的情形下可以維持較衡定含水率而可延長更換時間。電腦模擬結果則顯示墊料之吸濕容量及通風乾燥時之蒸氣壓差或空氣之相對濕度為影響墊料含水率之重要因子。墊料的厚度在短時間或通風良好時對墊料各層含水率沒有影響,但若就長期蓄積水份而言,則由於高厚度墊尊之總吸濕容量較大,其使用之耐久性或更換時間將較低厚度墊料為長。 |
英文摘要 | Presently, facing the problems of labor shortage and environmental pollution from duck production industry in Taiwan, the development of methods for duck manure disposal and mechanization of breeding management is critically needed. This research aims at the analysis of dehydration approach on duck manure disposal by ventilation and the application of beddings. Accompanied with the experimental analysis, a mathematical model was developed to analyze the factors influencing the moisture content of beddings. Nine sets of experiments were performed to examine the time-dependent characteristics of moisture content of beddings. The experiments revealed that fine wood shavings can be used as beddings for duck manure dehydration. Factors concerning dehydration efficacy, such as thickness of bedding layer, bedding materials, ventilation, and wood shaving properties were also examined. The experimental results were also compared with the numerical simulation from the mathematical model. Model verification and sensitivity analysis were performed and finally simulation results were generated to provide information for duck manure management. In the manure dehydration process, it was found that the bedding moisture absorbing capacity and vapor pressure difference are the most decisive factors on the moisture content of beddings. |
本系統中英文摘要資訊取自各篇刊載內容。