World Grain Chinese - July 2014 - 36

技术介绍

选择合适的卸船系统
高效连续的粮食卸船系统,包括链式、气力和带式
输送类型,已在世界范围内得到了广泛应用。这些
系统技术成熟、科技含量高,各自在其应用领域
堪称完美。根据经验,如果最大卸料量不高于600
吨/时,或每年不超过30万吨,气力式卸船系统则
为最佳选择。
对于所有连续卸船机,其基本的要求都是尽可
能高效率地卸料。然而到底采用哪种卸船机最好,
需要考虑总成本、能耗、适用性及安全性等方面的
问题。

实际应用
慕尼黑工业大学对三种卸船系统进行了比较研
究(见图1),布勒也对不同卸船系统选择的基本
要求作了阐述。
投资准则的关键是运行费用与资本支出相结
合。对于最佳客户方案,这些准则需要平衡把握。
布勒的卸船系统,其垂直链输送的运行费用最低。
由于效率较低,并且成本较高,带式和气力输送系
(上图)布勒在中国天津港的Portalink 1100卸船机。照片由布
勒提供。
36

作者:Vincent van der Wijk

机械和气力卸船机各有其优点
图1. 对比三种卸船机
链式

带式

气力

实用性

++

-

+

物料破碎

++

+

--

操作性

++

-

+

安全性

+++

-

+

++

-

++

++

-

粉尘排放
噪声散发
-- 很差
++ 好

++
- 差
+++ 很好

+ 中等

2014年7月 / 世界谷物 / www.World-Grain.com


http://www.World-Grain.com

World Grain Chinese - July 2014

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