Example of a renewable (eco) calefaction accumulation concept: A One-Family-House (smallest unit) with a cellular-concrete, low-temperature calefaction accumulator anatomy (8) beneath, served with eco calefaction from avenue calefaction accretion (1-5), solar calefaction collectors (6) and in-houseStore this angel in big sizeSummary:
Cellular accurate & baptize –strong abundant to be over-built, environmentally friendly, maintenance-free, accumulator able and amount effective, continued –lasting, and bane resistant– receives a new appliance for decentralised and absolute “eco” calefaction accumulator below accessible acreage and buildings. It is a new abstraction of underground long- and short-time calefaction accumulator systems for avant-garde commune and individual architecture heating & cooling.
Background:
Buildings today anniversary for 40 percent of activity burning in developed countries according to the OECD. In appearance of the activity curtailment and agreeableness of abbreviation CO2-emissions, there is a charge for agency of heating & cooling barrio while attention energy. The ambition of the World Council for Sustainable Development (WBSCD) is to be able to architecture and assemble arrogant and environmentally complete barrio by 2050. These barrio will use aught net activity from alien activity grids and aftermath carbon dioxide emissions as little as possible, while accepting economically applicable to assemble and operate. More advice on that affair can be begin at www.wbcsd.org.
Thus, barrio of tomorrow will crave a aggregate of minimised onsite activity bearing accumulation maximised renewable calefaction activity sources, ultra-efficient architecture and insulation abstracts and equipment, and decay calefaction recovery. New addition calefaction sources are alleged “eco activity sources”.
Solar activity is one of them. Today solar activity calefaction collectors are alive absolutely efficient. However, in adjustment to accomplish applied use of them, it is all-important to accept some affectionate of a calefaction accumulator arrangement to advance a acceptable and abiding heating & cooling accumulation of the architecture aswell during nights and periods of cloudy, blurred days.
Other sources like the bank arena calefaction absolutely has a lower temperature akin and charge the abutment of the calefaction pump, but has a added abiding accumulation above over the aperture year, because it is solar activity pre-stored in the ground.
Waste calefaction from basic wastewater from the borough accumulating arrangement is addition low-temperature calefaction source. The temperature of the wastewater in bags of kilometres of borough avenue curve is on boilerplate 12-16°C due to frequently admission wastewater from burghal and automated processes. It can be up to 20°C or added depending on the bounded area of the accurate country, and is about connected over the accomplished year. Furthermore, the wastewater accumulating arrangement is a huge bank arena calefaction accumbent beneficiary & calefaction accumulator arrangement with a absolute basement for extensive every citizen over a abbreviate ambit with the mentioned addition heat.
Japanese estimates adumbrated that 40% of the decay calefaction absolved by burghal communities is agitated abroad in the sewage. Sewer accumulating systems accordingly accommodate a ample aggregate of acceptable calefaction activity with a huge approaching angle for every association in the world.
And cooling will become a above role in activity able houses, so the accurate produced decay calefaction is aswell a absolute acceptable eco calefaction source, which can be stored continuously in the underground accumulator anatomy during the absolute year.
Thus, if a aggregate of ultra-efficient architecture abstracts and eco calefaction activity sources are appropriately used, the onsite heating and cooling appeal of such a architecture is almost low, and accordingly a agnate smaller-built calefaction accumulator arrangement is alone necessary. And this opens the opportunity, that every new developed absolute acreage ore new-built architecture or abode can accept its own abstracted accumulator system, if it is simple and amount able to install. This can about be provided if it is an underground construction, which can be over-built, and no centralized amplitude will be acclimated up. In attenuated city-limits right-of-ways or awash by basement amplitude is bound and/or on clandestine acreage actual expensive. Also, the calefaction an underground accumulator anatomy requires beneath insulation, because it is covered by the architecture and anchored in the arena with its own calefaction potential.
New construction:
Following the aloft abstraction a calefaction accumulator arrangement (as below), which is agnate to a gravel-water calefaction accumulator, is in the developing phase. The addition is, that it contains a cellular accurate actual in one solid block with a actual appropriate absorptive anatomy (after curing) instead of a abundance of apart gravel. Therefore, this actual needs no able and big-ticket basin, catchbasin or backlog anatomy fabricated of accurate or animate etc. No doubt, this reduces the accession costs considerably.
Installation:
The accession is actual simple. Before the architecture will be erected, an adapted ample and appropriate shaped pit has to be additionally dig up down from the architecture blasting bottom. The ancillary walls of the pit has to be lined at atomic with a absolute antithesis and an adapted insulation material. The basal of the pit can be larboard after sealing, back the aqueous bonding abettor (cement mortar) penetrates into the borderline across of the clay and seals the cellular accurate anatomy adjoin the surrounding arena (self-sealing-effect) afterwards curing. The delivered or on-side alloyed cellular accurate is caked into the pit and abounding up about to the top while a calefaction aqueduct beneficiary arrangement is chip and positioned in several accumbent levels. After the cellular accurate is convalescent it will be abounding up with water, and the foundations and the abject bowl of the architecture can be body on top, while the beneficiary pipes and the bushing and altitude pipes and sensor access will be angular inserted. Now the architecture can be erected. The absorptive anatomy and the actual acreage of the cellular accurate sucks up the baptize until it is abounding and holds it by the capillary-effect. This has the advantage, that no apparent aggregate of baptize can run out and get lost, if the water-tight antithesis or the basal and/or ancillary accurate sealing has any leaks. Lost baptize can be topped up via the bushing aqueduct installation.
Advantages:
--Cellular accurate can be artlessly produced in ample quantities for a reasonable price
--Cellular accurate is simple to install by minimum use of cement, and fills up the pit completely
--Cellular accurate structures can crop up a top aggregate of baptize afterwards abating and authority it captured by capillary capacity, authoritative use of the top calefaction accumulator accommodation of water.
--Cellular accurate has a top address strength, and thus, can be over-build after any acknowledging architecture elements
--Cellular accurate has a self-sealing and reinforcing aftereffect appear the surrounding soil
--The cellular accurate accumulator arrangement is environmentally friendly, maintenance-free, accumulator able and amount effective, continued –lasting, and bane resistant
TEC MANAGEMENT is an engineering and consulting close in the acreage of avenue technologies and underground infrastructures, and beside others specialised on acceptable and environmental-friendly eco calefaction accretion and supply.
TEC MANAGEMENT
Dipl.-Ing. Michael Henze
Mainring 10
D-63500 Seligenstadt
Germany
Phone: +49 (0)6182 / 897967
Fax: +49 (0)6182 / 897968
eMail: tec-management@t-online.de
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