区域供冷

  • 概述
  • 工具和应用程序
  • 相关应用
  • 案例故事
  • 视频
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通过提高能源利用率,将冷却能耗降低50%

区域冷却通过闭环管网向工业、商业和住宅建筑提供用于室内冷却的冷冻水。

在功能和技术上,它类似于区域供暖。

区域冷却系统的效率通常比传统冷却系统高5倍甚至10倍。

区域冷却系统中使用的冷水可以来自自由来源,如海水,也可以来自使用蒸汽轮机驱动或吸收式制冷机或电动制冷机产生的废热。

你知道吗?

  • 区域冷却比传统的机器冷却节能5到10倍
  • 通过提高能源利用率,区域冷却可将冷却能耗降低50%

区域冷却是如何工作的?

区域冷却系统向办公室、购物中心、公寓和其他需要室内冷却的建筑物输送冷冻水。

冷却设备通过区域冷却网络将冷却水供应泵送至建筑物。冷却水通过热交换器送入各个建筑物的冷却系统。

当水冷却了建筑物后,它以较高的温度返回冷却设备,在那里再次冷却,并在闭环中重新分配。

区域冷却系统中使用的冷水可以来自自由来源,如海水,也可以来自使用蒸汽轮机驱动或吸收式制冷机或电动制冷机产生的废热。

环保节能型冷却电源

区域供冷可以利用当地的自然资源,如海水,或者利用蒸汽或电力运行的制冷机,这使其成为一种环保的选择。它也是一个可靠和高度安全的冷却源。

区域冷却可将冷却能耗降低50%。它还可以在电力需求高峰期大幅减少用电量。通过将生产转移到白天或晚上电网运行较少的时段,配备用于冷藏的电冷却器的电网有助于降低城市冷却用电高峰需求。

区域供冷实现绿色未来

随着全世界对清洁冷却需求的增加,区域冷却变得越来越重要。

仅在欧洲,就有40%的商业和机构建筑安装了冷却系统,这一需求正在增长。与此同时,二氧化碳减排在政治议程上占据重要地位。

由于其结合了可再生能源和剩余能源,区域冷却系统比传统冷却系统排放的二氧化碳要少得多,并且不排放有害的制冷剂。

区域冷却信息图

工具和应用程序

相关应用

Save energy, time and money in district energy distribution network with Danfoss know how and advanced substations, heat exchangers and control components.

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Save energy, time and money in district energy infrastructure with Danfoss know how and advanced substations, heat exchangers and control components.

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案例故事

Taarnby Municipality within Greater Copenhagen is the first to integrate the production of district cooling and district heating in combination with ground source cooling and chilled water storage in one facility that also exploits surplus heat from a nearby wastewater treatment plant. This symbiosis allows the utility company to provide building owners in the district with competitive and environmentally friendly cooling – while generating more cost-effective heating to the district heating network.

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All too often, the service staff at Stadtwerke Giessen received customer complaints about the hot water supply in the morning. One minute the water was too cold, the next too warm. In the end, Stadtwerke Giessen had to install an extra oil boiler to ensure sufficient hot water supplies. The boiler was turned on every morning and the complaints stopped.

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Installation of AVQMs lover the energy bill by 25% and pay back substation upgrade in less than a year

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The construction and operation of a district heating facility is a complex task: In particular, countless controllers, which are often also widely distributed throughout the network, must be monitored. Danfoss now makes this easy with Leanheat® Monitor. 

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Stadtwerke Altensteig (Baden-Wuerttemberg) is one of the first district heating network operators to use the brand new Enspire software that offers operators a complete package for the operation of their district heating network.

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In Europe, 30 percent of all energy consumption goes to heat or cool buildings. Danfoss has the solution to lower energy usage and improve indoor climate by adding a digital element: Leanheat software.

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    VLT®驱动器运行世界上最智能的地区能源系统

    位于大哥本哈根的塔恩比市是第一个将区域制冷和区域供热生产与地源制冷和冷冻水储存整合在一个设施中的城市,该设施还利用附近污水处理厂的余热。这种共生关系使公用事业公司能够提供建筑用水该地区的业主在为区域供热网络提供更具成本效益的供热的同时,还拥有具有竞争力的环保制冷系统。

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    新的数字解决方案可在几分钟内优化Giessen网络

    Stadtwerke Giessen的服务人员经常收到客户对早上热水供应的投诉。前一分钟水太冷,后一分钟水太热。最后,Stadtwerke Giessen不得不额外安装一台燃油锅炉,以确保足够的热水供应。锅炉每天早上都被打开,投诉也就停止了。

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    压力独立控制阀在瑞典住宅区创造奇迹

    安装AVQMs可以节省25%的能源费用,并在不到一年的时间内偿还变电站升级费用

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    简单:区域热网监测和运行简化奥地利圣兰布雷希特

    区域供热设施的建设和运行是一项复杂的任务:特别是,必须对无数控制器进行监控,这些控制器通常也广泛分布在整个网络中。丹佛斯现在通过Leanheat®监视器使这一过程变得简单。

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    德国Altensteig地区集中供热系统效率的优化

    Stadtwerke Altensteig(巴登·伍尔滕贝格)是首批使用全新Enspire软件的区域供热网络运营商之一,该软件为运营商的区域供热网络运营提供了完整的软件包。

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    精益热使建筑智能化

    在欧洲,所有能源消耗的30%用于加热或冷却建筑物。丹佛斯通过增加一个数字元素:Leanheat软件,解决了降低能源消耗和改善室内气候的问题。

视频

消息