Dry floor heating heating building energy efficiency market
Traditional radiator (radiator) heating compared to indoor floor heating does not occupy the available space, indoor temperature distribution is more reasonable and use of solar energy, geothermal and other low-grade heat source, is an energy saving, environmental protection, comfortable heating method .
Common ground floor heating are mostly adopted in the construction landfill layer of wet concrete cast structure, resulting in weight gain floor level, to bring home many adverse effects, especially for high-rise housing. First, the buried pipe heated vertical expansion transformation prone to cushion the stress cracking; second, laying the ground for heating, indoor net height reduced; more, this structure belongs to the ground heating works underground hidden and difficult to repair, maintenance when Paokai ground and complexity; Finally, the insulation layer and the greater the intensity difference, if the construction is not standardized, easy deformation of the insulation layer, resulting in the construction risks.
So, how best to use this comfortable health, environmental protection and energy-efficient heating methods? Improve the existing technology model is undoubtedly a priority.
More advanced dry floor heating technology
Dry floor heating technology is for our radiant floor heating technology application research and development. It abolished the concrete pouring, the pre-heating tube directly by the insulation, joists and covering layer in a closed sandwich.
Dry floor heating structure is light, the ground is not easy deformation, for special purpose, easy maintenance and so on. Wet ground with the existing practice of heating compared to dry the load-bearing structure, floor heating decreased by 40% to 50%, saving 30% to 40% space reduction of 15% to 20% material usage. Use dry ground-floor heating structure is not easy deformation, is because there is no landfill layer. On the one hand eased vertical landfill expansion after heat pipe within the transformation stress, to avoid cracking the concrete layer; on the other hand eliminate the long-term pressure cushion insulation ground deformation caused by the hidden dangers. Before the floor heating system is hidden, while on the dry floor heating system more user-friendly construction, leak detection, maintenance and quality control. In addition, the cover heating and floor heating can use wood, bamboo, marble, tile and other materials, both decorative function.
Dry floor heating structure heating mechanism and structure are not exactly the same landfill. Dry floor heating structure is laminated in the heat transfer and thermal convection combined effects of radiation, the effect is much larger than the thermal conductivity of pure air layer. However, the heat transfer to the surface, as with all floor heating to two forms of radiation and convection, and other surfaces and indoor air for heat exchange. In addition, dry concrete floor heating systems do not need to landfill, reducing the resistance to heat up, in the case of rational design, can meet the heating needs.
Dry floor heating technology still need to improve
Dry floor heating technology and construction techniques from the heating technology combines the perspective of the floor heating on the ground floor, insulation, heating pipe, radiation levels, the ground floor was decorated in their entirety, to improve the heating technology to increase the surface radiation heating application quality has opened up a new way to meet the diverse needs of our residential products. It is open style, reserved sandwich structure design, special features for the development of a platform floor heating system. Mezzanine floor with this technology can fill with insulation, energy storage, fire-retardant materials, such as the role of the block, provided for the realization of special purpose may create a win-win situation.
At present, the dry floor heating technology has been tested in a few areas, relatively effective. However, there are still some technical problems need to continuously improve this technology. Landfill because of the abolition of the concrete layer, if not placed as a sandwich insulation, energy storage, such as the role of fire-retardant materials, heat may not be uniform, the temperature maintained is also problematic. At present, China's application of energy storage materials, technology is not perfect, manufacturing costs are higher, and now placed more than a concrete block light, relatively low cost. I believe in the use of laminated material in place the special block just around the corner
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