稻谷秸秆收获与碾压用麦秸收割机的改进

IF 2.4 4区农林科学 Q2 AGRICULTURAL ENGINEERING

Journal of Agricultural Engineering Pub Date : 2023-01-01 DOI:10.52151/jae2022593.1776

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引用次数: 0

摘要

对稻秆切碎用麦秸收割机进行了改进。麦秸收割机的鼓风机改为两个压痕滚筒和一个凹形滚筒。将刀杆的尖头护刀替换为固定在切割刀片下方的v形锯齿刀片。在秸秆负荷为6.25 t.ha-1和8.58 t.ha-1的稻田中，以0.55、0.70和0.97 m.s-1的前进速度运行。稻草挫伤气缸转速分别为640、725和810 rpm。在各处理组合下，125 mm以下的秸秆刈割比例、秸秆加权平均刈割尺寸、覆盖厚度和秸秆铺布均匀性变异系数分别为71.28 ~ 86.41%、57.6 ~ 81.2 mm、53.9% ~ 60.0 mm和20.54 ~ 22.17%。该机的燃油消耗量为8.88 ~ 12.08 l.ha-1，现场运力为0.27 ~ 0.55 ha.h-1。

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Refinement of Wheat Straw Harvester for Paddy Straw Harvesting and Bruising

Refinement of a wheat straw harvester was done for chopping of paddy straw. Blower of the wheat straw harvester was replaced by two bruising cylinders and a concave. Pointed knife guards of the cutter bar were replaced with V-shaped serrated blades fixed below the cutting blades. The machine was operated in paddy fields having straw load 6.25 t.ha-1 and 8.58 t.ha-1 at forward speed of 0.55, 0.70, and 0.97 m.s-1. Straw bruising cylinder speeds of 640, 725, and 810 rpm were used. The percentage of chopped straw of size up to 125 mm, weighted mean size of chopped straw, mulch thickness, and coefficient of variation of uniformity of straw spread were in the range of 71.28-86.41%, 57.6-81.2 mm, 53.9-60.0 mm, and 20.54-22.17%, respectively, under all treatment combinations. The fuel consumption and field capacity of the machine were in the range of 8.88-12.08 l.ha-1 and 0.27-0.55 ha.h-1, respectively.

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来源期刊

Journal of Agricultural Engineering AGRICULTURAL ENGINEERING-

CiteScore

2.30

自引率

5.60%

发文量

审稿时长

10 weeks

期刊介绍： The Journal of Agricultural Engineering (JAE) is the official journal of the Italian Society of Agricultural Engineering supported by University of Bologna, Italy. The subject matter covers a complete and interdisciplinary range of research in engineering for agriculture and biosystems.