Solar & Heat assisted Passive Heat Recovery Ventilation with and Moisture Extraction (SHAP HRV) for existing and new buildings

太阳的

• 批准号: 710252
• 金额: $ 10.32万
• 依托单位: VENTIVE LTD
• 依托单位国家: 英国
• 项目类别: GRD Proof of Concept
• 财政年份: 2012
• 资助国家: 英国
• 起止时间: 2012 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=710252
• 关键词: Solar; Heat; assisted; Passive; Recovery

As new buildings are built to higher energy standards and become airtight, natural means ofventilation disappear. To overcome this, Mechanical Ventilation is used. Without HeatRecovery, this leads to up to 5,000 kWh of heat loss from a typical home per year. In order to‘reclaim’ this energy, Heat Recovery is added, with some models claiming 90% efficiency.With two fans running, 24h a day, the system uses up to 900kWh of electricity per year (threetimes more than a new fridge). In cases where gas heating is used Mechanical Heat RecoveryVentilation provides very little or no net CO2 saving.Besides the energy use, mechanical systems have high installation costs due to theircomplexity, require a number of trades to install and maintain, and suffer from componentfailures adding to the running costs which already average £100 per year. Mechanical systemsalso depend on a number of electronic and mechanical components contributing to lack ofreliability, resource depletion and electronic waste.Starting off with our innovative and retrofit specific Passive Heat Recovery Ventilation Unit(initially developed with the help of TSB funded feasibility study and utilising passive stackeffect and wind assistance), we have designed a reliable ventilation system for wet roomswhich incorporates a number of inventions around passive extraction boost, extraction periodextension, moisture withdrawal and simplified installation.The proposed system (SHAP HRV) both overcomes a number of challenges of wet roominstallations (such as lack of chimneys and dependable air extraction rates) and makes theproduct applicable to warmer climates, greatly increasing its export potential. Thedevelopment of this technology will also allow us to provide a Green Deal ready full housesystem (using already developed PHRVUs for habitable rooms and SHAP HRVs for wetrooms), a proposition proffered by both BRE and LABC.

随着新建筑按照更高的能源标准建造并变得密闭，自然通风手段消失了。为了克服这一点，使用机械通气。如果没有HeatRecovery，这将导致典型家庭每年损失高达5，000千瓦时的热量。为了“回收”这些能量，增加了热回收，有些型号声称效率高达90%。该系统有两个风扇，每天24小时运行，每年使用高达900千瓦时的电力（比新冰箱多三倍）。在使用气体加热的情况下，机械热回收通风提供很少或没有净CO2节省。除了能源使用，机械系统由于其复杂性而具有较高的安装成本，需要许多行业来安装和维护，并且遭受部件故障，增加了平均每年100英镑的运行成本。机械系统还依赖于大量的电子和机械部件，导致可靠性不足、资源消耗和电子浪费。从我们创新和改造的特定被动热回收通风装置开始（最初是在TSB资助的可行性研究的帮助下开发的，并利用被动堆叠效应和风力辅助），我们设计了一种用于潮湿房间的可靠的通风系统，该系统结合了围绕被动抽气增压，抽气周期延长，所提出的系统（SHAP HRV）既克服了湿室安装的许多挑战（例如缺乏烟囱和可靠的空气抽取率），又使产品适用于温暖的气候，大大增加了其出口潜力。这项技术的发展也将使我们能够提供一个绿色交易准备充分的房屋（使用已经开发的PHRVU的可居住的房间和SHAP HRV的wetrooms），一个命题提出的BRE和LABC。