Journal of Agricultural Science and Technology ›› 2023, Vol. 25 ›› Issue (7): 105-112.DOI: 10.13304/j.nykjdb.2022.0044
• INTELLIGENT AGRICULTURE & AGRICULTURAL MACHINERY • Previous Articles
Yaqiang HU1,2(), Ya YUAN1(), Luwei YANG1, Xuelai ZHANG2, Shaopeng QIU1, Xinyao YU1
Received:
2022-01-17
Accepted:
2022-05-05
Online:
2023-07-15
Published:
2023-08-25
Contact:
Ya YUAN
胡亚强1,2(), 苑亚1(), 杨鲁伟1, 章学来2, 邱少鹏1, 于馨尧1
通讯作者:
苑亚
作者简介:
胡亚强 E-mail:914153497@qq.com;
基金资助:
CLC Number:
Yaqiang HU, Ya YUAN, Luwei YANG, Xuelai ZHANG, Shaopeng QIU, Xinyao YU. Study on Hot Air Drying System for Implantable Alfalfa Bales[J]. Journal of Agricultural Science and Technology, 2023, 25(7): 105-112.
胡亚强, 苑亚, 杨鲁伟, 章学来, 邱少鹏, 于馨尧. 植入式苜蓿草捆热风干燥系统的研究[J]. 中国农业科技导报, 2023, 25(7): 105-112.
Fig. 1 Flow of implantable hot air drying systemNote:1—Biomass hot-blast stove; 2—High temperature centrifugal fan; 3—Flue Pipe; 4—Diesel engine; 5—Implantable dryer.
Fig. 2 Acupuncture implantable dryerNote:1—Support column; 2—Guide column; 3—Hydraulic system; 4—Blanking platform; 5—Air inlet; 6—Air duct guide plate;7—Needle tube; 8—Loading platform; 9—Bale guide plate; 10—Reinforcing column; 11—Upper stabilizing barn.
等级 Level | 粗蛋白 CP/% | 酸性洗涤纤维 ADF/% | 中性洗涤纤维 NDF/% | 总可消化养分 TDN/% | 相对饲喂价值 RFV |
---|---|---|---|---|---|
特级 Extraordinary level | >22.0 | <27.0 | <34.0 | >62.0 | >185.0 |
优质级 High quality level | 20.1~22.0 | 27.1~29.0 | 34.0~36.1 | 60.5~62.0 | 170.1~185.0 |
良好级 Good level | 18.1~20.0 | 29.1~32.1 | 36.0~40.1 | 58.1~60.4 | 150.1~170.0 |
普通级 Ordinary level | 16.1~18.0 | 32.0~35.1 | 40.0~44.1 | 56.1~58.0 | 100.1~150.0 |
经济级 Economic level | ≤16.0 | ≥35.0 | ≥44.0 | ≤56.0 | ≤100.0 |
Table 1 American alfalfa hay quality inspection indicators and grading guidelines[16]
等级 Level | 粗蛋白 CP/% | 酸性洗涤纤维 ADF/% | 中性洗涤纤维 NDF/% | 总可消化养分 TDN/% | 相对饲喂价值 RFV |
---|---|---|---|---|---|
特级 Extraordinary level | >22.0 | <27.0 | <34.0 | >62.0 | >185.0 |
优质级 High quality level | 20.1~22.0 | 27.1~29.0 | 34.0~36.1 | 60.5~62.0 | 170.1~185.0 |
良好级 Good level | 18.1~20.0 | 29.1~32.1 | 36.0~40.1 | 58.1~60.4 | 150.1~170.0 |
普通级 Ordinary level | 16.1~18.0 | 32.0~35.1 | 40.0~44.1 | 56.1~58.0 | 100.1~150.0 |
经济级 Economic level | ≤16.0 | ≥35.0 | ≥44.0 | ≤56.0 | ≤100.0 |
指标 Index | 干燥前样品 Sample before drying | 干燥后样品 Sample after drying | 自然晾晒样品 Natural drying samples |
---|---|---|---|
粗蛋白Crude protein, CP/% | 20.3 | 20.2 | 18.2 |
酸性洗涤不溶蛋白Acid deter⁃ gent insoluble crude protein, ADICP/% | 1.4 | 1.3 | 1.4 |
有效粗蛋白Available protein, AP/% | 18.9 | 17.9 | 16.8 |
酸性洗涤纤维Acid detergent fiber,ADF/% | 28.2 | 27.5 | 33.7 |
中性洗涤纤维Neutral detergent fiber,NDF/% | 35.72 | 35.61 | 40.68 |
木质素Lingnin/% | 6.5 | 6.5 | 7.3 |
非纤维碳水化合物Non-fiber carbohydrate, NFC/% | 29.40 | 31.09 | 28.66 |
淀粉Starch/% | 1.6 | 2.1 | 0.7 |
水溶性碳水化合物Water-soluble carbohydrates,WSC/% | 10.8 | 11.9 | 6.6 |
单糖Monosaccharide,MSC/% | 8.1 | 8.3 | 5.3 |
脂肪Fat/% | 2.7 | 2.6 | 1.8 |
灰分Ash/% | 10.88 | 10.50 | 9.66 |
总可消化养分Tatal digestive nutrition,TDN/% | 61 | 61 | 58 |
相对饲用价值Relative feed value,RFV | 172 | 170 | 142 |
Table 2 Index measurement before and after drying in different ways
指标 Index | 干燥前样品 Sample before drying | 干燥后样品 Sample after drying | 自然晾晒样品 Natural drying samples |
---|---|---|---|
粗蛋白Crude protein, CP/% | 20.3 | 20.2 | 18.2 |
酸性洗涤不溶蛋白Acid deter⁃ gent insoluble crude protein, ADICP/% | 1.4 | 1.3 | 1.4 |
有效粗蛋白Available protein, AP/% | 18.9 | 17.9 | 16.8 |
酸性洗涤纤维Acid detergent fiber,ADF/% | 28.2 | 27.5 | 33.7 |
中性洗涤纤维Neutral detergent fiber,NDF/% | 35.72 | 35.61 | 40.68 |
木质素Lingnin/% | 6.5 | 6.5 | 7.3 |
非纤维碳水化合物Non-fiber carbohydrate, NFC/% | 29.40 | 31.09 | 28.66 |
淀粉Starch/% | 1.6 | 2.1 | 0.7 |
水溶性碳水化合物Water-soluble carbohydrates,WSC/% | 10.8 | 11.9 | 6.6 |
单糖Monosaccharide,MSC/% | 8.1 | 8.3 | 5.3 |
脂肪Fat/% | 2.7 | 2.6 | 1.8 |
灰分Ash/% | 10.88 | 10.50 | 9.66 |
总可消化养分Tatal digestive nutrition,TDN/% | 61 | 61 | 58 |
相对饲用价值Relative feed value,RFV | 172 | 170 | 142 |
编号 Number | 干燥前质量 Quality before drying | 干燥后质量 Quality after drying | 水分蒸发量 Water evaporation |
---|---|---|---|
1#草捆1# bale | 568 | 494 | 74 |
2#草捆2# bale | 549 | 466 | 83 |
3#草捆3# bale | 532 | 455 | 77 |
Table 3 Bale mass change
编号 Number | 干燥前质量 Quality before drying | 干燥后质量 Quality after drying | 水分蒸发量 Water evaporation |
---|---|---|---|
1#草捆1# bale | 568 | 494 | 74 |
2#草捆2# bale | 549 | 466 | 83 |
3#草捆3# bale | 532 | 455 | 77 |
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