美国布法罗市的冰雪融化

2016年6月1日,星期三

根据国家气象局(National Weather Service),2014 - 15年冬季,一系列湖泊效应活动和快船型系统在纽约布法罗(Buffalo)倾倒了112英寸的雪。在习惯于冬季的地区,这仍然是不寻常的 - 比正常人高约18英寸。但是,即使是如此令人印象深刻的雪也无法与Canalside安装的Danfoss雪融化系统相匹配。

雪雪时,该系统融化了

根据国家气象局(National Weather Service),2014 - 15年冬季,一系列湖泊效应活动和快船型系统在纽约布法罗(Buffalo)倾倒了112英寸的雪。在习惯于冬季的地区,这仍然是不寻常的 - 比正常人高约18英寸。但是,即使是令人印象深刻的降雪也与布法罗滨水区振兴的核心的Danfoss雪融化系统无法匹配。

在19世纪的大部分时间里,布法罗的内港是世界上最有利可图的商业中心之一。繁华的港口标志着伊利运河的西部终点站,并用作通往西部的门户。但是,随着20世纪初期的火车和汽车的到来,所有这些都改变了。港口活动急剧下降,最终,大部分场地都充满了石头和污垢,以容纳街道和停车场。

1999年,伊利运河港的重建项目概述了收回该地区的计划。16年后,恢复的地区涵盖了Canalside,这是16年,超过3亿美元,这是一个混合用途区,将布法罗市中心重新连接到港口。重新开发的活动中心包括浅灯运河恢复到他们的1825年足迹和人行道上,牵引车曾经容纳沿着运河拉驳船的mu子。在夏季,居民和游客可以租用桨船和遥控帆船进行复制的运河,而冬季则有机会在这些相同的水域上滑冰。

``雪融化系统是该项目的亮点之一。从产品的角度来看,该系统易于安装。但是,为了确保Danfoss的保修,测试至关重要。仅电阻测试就需要我们在收到电缆时测试它们,以确保它们在发货期间不会受到损坏。然后,在安装它们后,我们对它们进行了测试,当混凝土倒入混凝土时,倒入混凝土之后,我们再次对其进行了测试。在这个项目中,电缆通过了每项测试,这说明了它们的耐用性以及它们的制造方式。''
-Tom Zielke,O’Connell Electric

雪融化系统清除了通往运河的道路,冬季也将雪和冰带到港口。如果该市希望在运河上提供冰滑冰,则需要找到一种方法来保持围绕运河周围的区域人行道清理干燥,以便可安全到滑冰区域。That’s where the Danfoss snow melt system comes in. Provided by Comfort Radiant Heating, LLC, Clifton, New York, and installed by O’Connell Electric Company, Inc., Victor, New York, the snow melt system uses 8,000 square feet of Danfoss GX mats and cables, 10 digital sensors and five GX 850 dual zone automatic control panels paired with five electric contactor and timer panels that control each of the system’s five zones. Danfoss provided the electrical contractor with diagrams indicating how the mats should be laid down and pairings of zones to controllers. Because the Canalside project marked O’Connell Electric’s first experience with the snow melt system, the company hired Russ Hacker, owner of Comfort Radiant, as a consultant who could walk them through the installation process.“我们知道第一天遇见Russ,这是正确的产品,他是帮助我们正确安装它的合适人选。”电气承包公司执行副总裁Joe Pellerite说。“他会见了参与该项目的每个人 - 总承包商,泥瓦匠和我们的电工 - 向他们灌输了在安装过程中遵循适当程序的重要性。”


嵌入混凝土中的垫子和传感器

Danfoss线电压系统设计用于混凝土,沥青和摊铺机下,由双导体加热电缆和具有20英尺冷线的单点连接组成。该系统依靠数字传感器来提供有关降水和温度的精确反馈,以及一个自动控制面板,可提供对积雪系统设定点的全部控制。GX系统在铺路过程中嵌入。在倒入混凝土之前,电工将垫子连接到最终倒入中间的钢筋网格上。传感器也嵌入倒入的混凝土中。

Pellerite对垫子也提供了类似的评论。“我认为垫子的美丽是它们的制造方式。一切都是在系统中布置的,旨在满足特定应用程序。我们能够将人行道长度与击中传感器所需的更长的导线相匹配。丹福斯(Danfoss)提供了项目所需的额外长度,并且垫子的下降效果非常好,我归因于产品设计和制造业的远见。”

雪从来没有机会

布法罗雪融化系统的温度设置为30度,因此,任何时候混凝土的温度下降到30度以下并且平板上有水分,数字传感器都会发出数字传感器的信号,该控制器位于位于建筑物地下室的控制器运河。控制器对这些信息作用,在人行道上掉落时,每平方英尺融化了50瓦的电力,从而融化了雪。

“有了这个系统,斯诺永远没有机会积累。”黑客说。“当雪或冰开始在冰冻温度下开始时,平板会变暖。这在像布法罗这样的地区尤其重要,这些地区可以体验一到两周的10至20度温度,然后突然热身和暴风雪。它没有在寒冷的人行道上积雪,而是落在始终准备融化雪的雪上。给定的布法罗参数 - 他们可以得到多少积雪以及可以得到多快的降雪 - 这样的系统有助于为这种情况做准备。

系统提供美学,维护和安全益处

布法罗市还赞赏一种解决方案,该解决方案降低了与应用化学品,拥有积雪机械或雇用外部服务相关的成本和环境影响。根据霍伊特的说法,去年冬天,Canalside吸引了55,000至70,000人。“我们想以这一成功为基础,并将港口地区的其他部分转变为12个月的行动,”他说。“我们对雪融化系统为我们执行的方式感到非常满意,我认为我们将绝对考虑这一点,并鼓励未来的开发人员在我们前进的未来开发过程中考虑它。”

系统通过测试

完成了港口工作后,Pellerite准备做另一个工作,自信他知道如何安装产品以及期望什么。“当然,这不是您只是从开箱即用的东西,躺下并在上面倒入混凝土的东西。”他说。“您需要耐心地遵循Danfoss提供的指示。但是,如果这样做,您将不会感到失望,因为该产品将完全按照它说的是做。确实如此简单和有效。”

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Self-limiting heating cables are designed with a temperature-dependent resistant element between two parallel copper bus wires. When the bus wires are connected to the mains, a current goes through the temperature-dependent resistant element which will then heat.

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Digital controllers have unique features allowing you to reduce energy waste. Equipped with temperature and moisture sensors, control modes, and special functions, they ensure accurate temperature settings, reducing energy consumption costs by up to 40 percent. ​

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Analogue controllers are thermostats with temperature sensors allowing you to switch the system on and off depending on settings.

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