2results about How to "Elongated length" patented technology

The utility model discloses a kind of sealing structure for water heater shell, it is related to water heater and its accessory technical field.The utility model includes sealing shell;Sealing shell is inserted with sealing cover in outer end, and sealing cover is installed with sealing assembly on the side, sealing shell, sealing assembly includes threaded column one on the side wall of sealing shell end portion, the end portion of threaded column one is rotatably connected with connecting plate, sealing cover is embedded with sealing sleeve in upper side wall, sealing cover is connected with water pipe by sealing sleeve, water pipe includes water pipe one fixed in sealing sleeve, and water pipe two is inserted in the end of water pipe one, the side of water pipe is provided with adjusting assembly, and positioning plate one and positioning plate two are connected by threaded column two.The utility model can improve the sealing effect between sealing cover and the sealing shell of water heater by sealing assembly, and the overall length of water pipe can be adjusted by adjusting assembly, so that it is better adapted to different length of connecting hose.

The application discloses a method for reducing gaseous suspended calcination nitrogen oxide, and solves the problem of high cost of external equipment for reducing nitrogen oxide emission of a calcination furnace at present.The method comprises the following steps: S1, arranging a lance in a combustion station; and S2, lengthening a flame and dispersing a flame intersection.Compared with the prior art, the application has the following benefits: 1) under the existing working condition and equipment condition, the method of lengthening the flame and dispersing the intersection is adopted in operation, the external flame intersection is avoided, the high-temperature interval is controlled within 950 DEG C, and the formation of NOx can be effectively reduced; 2) the number of the lances can be reduced, and the lengthening of the flame length and the avoidance of the external flame intersection point can be realized; and 3) the wind speed can be increased, and the lengthening of the flame length and the reduction of the intersection point temperature can be realized.