中水回用污水变成资源将在表面处理厂

Overview_TEXT

概观

这种情况

In one corner of Grundfos’ sprawling factory in Bjerringbro, Denmark, something almost magical takes place.

Amid a flurry of forklifts and pallets, workers hang shiny metal parts on racks. The hanging pump bases, motor stools, flanges and other components then move into a giant machine that dips them successively into a series of chemical or water baths for surface treatment and rinsing. They proceed to a bath that coats the components with a layer of paint electrostatically. This is called cathodic electrodeposition (CED) or cataphoresis. The process protects the items from rust and gives them a nice finish. From there, they go into a hot air dryer, then exit the system back to the factory. The workers then take them off the hooks and load them into pallets to be transported to other parts of the factory.

水浴场使用约5000立方米(M3) of water to rinse nearly 8 million components a year. “This is the process in our Bjerringbro factory that consumes the most water,” says Anders Lund Hansen, Senior Manufacturing Director at Grundfos in Denmark.


“The CED process impacts the environment, and that concerns us a great deal. Grundfos has a sustainability agenda that aims at reducing our water use by 50% by 2025.


“格兰富在于比耶灵布罗,约8000人在丹麦省的一个城市。“我们得到我们的水从地下就像在城里别的任何人。我们使用来自同一来源,先生和夫人比耶灵布罗利用洗澡或在家里喝。如果我们能够回收,而不是采取新的水这个CED水,我们将节约用水,为社会,为谁住在这里的人。”

解决方案

此前,格兰富派脏CED工艺水到现场前处理中心。在这里,通过基本的过滤和预处理,去向前流向城市本身的城镇污水处理设施之前。


This was where Grundfos saw the potential to build a full wastewater treatment and recycling system for the CED rinsing water.


“We put together a specialist team with knowledge of products, environmental issues, chemistry and production processes,” Anders says. “Together they built this and made it possible with some of the newest technology in water and wastewater treatment.”


的CED废水处理基本上是通过三过滤系统发送水中,然后向前到格兰BM反渗透单元的系统。最后,纯净水返回到工厂CED坦克。

在封闭的水电路

The plant treats 5,000 m3of water a year – the amount used by 100 Danish households annually, or what can fill two Olympic-sized swimming pools. It recycles 80% of the process water back to the treatment baths, as the remaining 20% is either solid matter or used to flush the filters. For the first year, this closed water circuit has been running at only half capacity, so it will eventually treat 10,000 m3水一年。


安德斯·伦德Hansen说建立这个系统的动机不是财务。“问题的关键不是要创造一个良好的商业案例,”他说。“那不是司机。动机是可持续性 - 志向,以减少水的消耗。


“这也有助于格兰富了解我们的产品如何促进可持续议程。你可能认为这是一个小型实验室。一个研究中心,我们可以从我们的产品中得到大量的学习。他们怎么能进一步促进水和能源的议程?

废水作为一个resource

该公司的集团环境,健康和安全,卡伦Touborg的高级主管说,相对与其它类型的行业,格兰富不使用这么多的水。“但是,就像任何其他的工业厂房,格兰富的活动也留下了对环境的影响。我们选择了循环水在比耶灵布罗工厂例证可以做什么,而且你可以有所作为,即使你有一个小型或中型的生产单位。”


卡伦Touborg补充说,这个项目是在当今的环境挑战,这就要求我们与像水资源采取不同的工作一个更大的画面的一部分。“我们没有看到水作为废水。我们认为这是当它的处理,可以循环重新投入生产,可重复使用的资源。


“Because we don’t have waste, only resources.”

Topic:

Industrial water reuse

位置:

比耶灵布罗,丹麦

公司:

格兰富

安德斯·汉森隆德,Grundfos的高级生产总监,丹麦,显示了CED表面处理中的应用。这是一系列化学品,水和油漆,磨损和锈蚀,最终保护泵部件浴。18luck手机客户端下载用于格兰简单地处理用过的冲洗水 - 5000米3一年。现在,它把它和重用它。

新压铸元件将很快通过格兰CED表面处理系统作出。

This system treats the wastewater from the Grundfos CED surface-treatment application with a series of filters and reverse osmosis. It then sends the cleaned water back to the CED unit for reuse.

新压铸部件的机架从第一漂洗池上升,在CED表面处理系统在格兰富工厂比耶灵布罗。

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