Exhaust waste heat recovery type energy-saving device

Abstract

The invention discloses an exhaust waste heat recovery type energy-saving device. The device comprises an exhaust inlet, an exhaust fan, an exhaust lower header, an exhaust upper header, an exhaust port, an inner layer body, an outer layer body and a plurality of header holes, wherein the inner layer body and the outer layer body are arranged between the exhaust lower header and the exhaust upperheader, gaps are reserved between the inner layer body and the outer layer body, the plurality of header holes are formed in the upper side wall of the exhaust lower header and the lower side wall ofthe exhaust upper header correspondingly, the exhaust lower header and the exhaust upper header communicate with the gaps through the header holes, the exhaust inlet is formed in the rear side wall ofthe exhaust lower header, the exhaust fan is arranged at the exhaust inlet, and the exhaust port is formed in the front side wall of the exhaust upper header. Compared with the prior art, the structure and maintenance are simple, the service life is long, the cost and the operation cost are low, exhaust waste heat can be fully utilized, the heat preservation and heat insulation performance of a window can be improved, and meanwhile, the indoor heat comfort can be improved.

Description

【Technical field】 [0001] The invention relates to an exhaust air waste heat recovery type energy-saving device, which belongs to the application field of building energy conservation. 【Background technique】 [0002] Windows are the weak link in the building envelope's thermal insulation, and typically account for a quarter of a building's heat consumption. For this reason, people have taken various measures to reduce the heat loss of windows, such as: double-glazing, Low-E glass, heat-reflecting glass, heat-insulating aluminum alloy windows, etc. Although the adoption of these technical measures has improved the thermal insulation of windows Thermal insulation performance, but also makes the cost has been greatly improved. [0003] With the improvement of people's living standards, people's requirements for indoor air quality are also getting higher and higher. Room ventilation has become a common means and method for improving indoor air quality in daily life. There are ...

AI Technical Summary

Problems solved by technology

Since this kind of fresh air system is equipped with a full-heat heat exchanger, it is expensive, the air resistance is large, and the energy consumption of the fan is correspondingly increased.

The total heat exchange efficiency of the total heat heat exchanger is generally about 60%, and the heat exchange efficiency will drop significantly as the use time increases

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