施肥器

详细介绍了文丘里施肥器的工作原理，并根据实际使用中的性能要求和有关计算公式设计了其结构和参数。

This article introduces the operation principle of the Venturi fertilizer applicator in detail , and designs its structure , and identifies parameters according to performance requirement in practical use and the related formula .

并联式文丘里管施肥器试验研究调频式排气消声装置

Experimental Research on Applying Fertilizer Apparatus of Parallel Venturi Tubes FREQUENCY MODULATING EXHAUST SILENCER

文丘里施肥器系列的研制

Research and Development of Venturi Fertilizer Applicator Series

水肥一体化灌溉是滴灌技术的一个重要特点，选择合理的施肥器是滴灌系统设计的一项主要内容。

Water and fertilizer synchronization irrigation is a significant characteristic of dripirrigation ; fertilization device is one of main devices in the drip irrigation system .

以流量、浓度和进出口压力比与浓度的关系作为检测参数，对施肥器进行了检测，并根据检测结果详细分析了施肥器的性能。

The applicator is tested with the flow rate , concentration , and the relation between the ratio of inlet and outlet pressures and concentration as measuring parameters , and its performance is analyzed according to the result of test .

研究结果表明：在进口压力和凹槽位置一定的情况下，减小喉管直径和收缩段长度以及增加凹槽直径均能使文丘里施肥器的吸肥量增加；

Results show that when the ( inlet ) pressure and the slot position keep unchanged , the suction amount of Venturi Injector increases with the ( decrease ) of throat diameter and length , and the increase of slot diameter ;

在农业生产机械化不发达地区，为改进传统的播种施肥方法，设计并制造了一种适用于旱田穴播农作物播种施肥作业的手动播种施肥器。

In order to improve the traditional methods of seeding and fertilizing in the areas where are not developed on the aspect of agriculture production mechanization , a portable seeding-fertilizing machinery for bunch crops was designed and made .