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Making Method Of Chimney Hood Jul 08, 2017

             The utility model relates to a downwind chimney cover, belonging to the "technical field" of the chimney supporting device structure. It comprises a pedestal, a vertical flue that rotates on the base and along the base, a transverse flue that is connected with the vertical flue, one end of the transverse flue is sealed, the other end is an open shape, and the outer side of the opening end is provided with a wind wing; the outer side of the base is provided with 1-2 first circumferential convex ribs, and the lower end of the vertical flue is provided with 1-2 second-ring convex ribs, and the first ring is fitted with the convex ribs and the second ring to each other, so that the vertical flue can rotate around the base. The utility model has the advantages of scientific and reasonable structure, the setting of the transverse flue, prevent the rain from entering the chimney to affect the effect of combustion and smoke exhaust; as the vertical flue and the transverse flue can rotate around the chimney base and the wind wing is added at one end of the transverse flue, the smoke direction is consistent with the wind direction, avoiding the problem of the upwind intrusion.Chimney Hood

             The main role of the chimney is to pull out smoke, exhaust fumes, improve the combustion conditions. High-rise buildings in general set the number of different staircases, exhaust ducts, air ducts, exhaust flue, elevator shaft and pipe wells, such as vertical wells, when the indoor temperature is higher than the outdoor temperature, the indoor thermal air because of small density, then along these vertical channels naturally rise, outward discharge, outdoor cold air due to the density of large, from the lower layer of infiltration to supplement, forming a chimney effect. At present, the use of chimney discharge is more direct discharge, there is no wind and rain prevention function, in the event of strong wind in the wind directly into the flue gas channel, so that the smoke can not be discharged normally, rainy rain will follow the vent into the flue gas channel, resulting in the passage of damp and stagnant water.Chimney Hood

               A vertical flue 2, set on the upper part of the base and rotated along the base, and vertical flue phase junction of the transverse flue 3, the one end of the flue is sealed, the other end is open, the open end of the outer side of the wind wing 4, the wind wing can make the transverse flue axis with the wind direction, and keep the opening end of the wind. The base I outer side is provided with 1-2 first ring to the convex rib 8, and the lower end of the vertical flue 2 is provided with 1-2 second ring to the convex ribs 9, the first ring is fitted with the convex rib and the second ring to the convex rib, so that the vertical flue can rotate around the base.Chimney Hood