6results about How to "Reduce local high temperature" patented technology

The invention belongs to the technical field of heating devices, and particularly relates to an electric shock and incrustation prevention water heater which comprises a hot water storage tank, and a heating device is detachably arranged in the hot water storage tank; the heating device comprises a shell and a heating element located in the shell. The heating element and the interior of the shell form a sealed cavity, and the cavity is filled with insulating temperature conducting liquid; the storage bin is located on one side of the hot water storage tank; and the storage bin is communicated with the cavity through a connecting pipe. The shell is arranged in the hot water storage tank, the insulating temperature conduction liquid and the heating element are arranged in the shell, the heating element and water are isolated through the insulating temperature conduction liquid, the electrified heating element does not make contact with the water at all, and the water heater is divided into the two insulating isolation units including the electrified unit and the non-electrified unit. The electric leakage risk is thoroughly eliminated from the physical principle; and the insulating temperature-conducting liquid has the properties of insulation and heat conduction.

The present application relates to the technical field of burner, provide a kind of wall self-preheating low-nitrogen high-efficiency burner, comprising: shell, with the burner air duct fire pan brick of fixed connection of shell, the nozzle gun body is installed in the center of shell, the burner air cover is installed outside the shell, the nozzle gun body center is installed with fuel pipe, the fuel pipe is sequentially provided with nozzle ring, swirl vane and grid angle column, the nozzle ring is slidably connected with fuel pipe, the grid angle column is fixedly connected with fuel pipe, and the special nozzle is installed at one end of fuel pipe in burner air duct fire pan brick;The present application is provided with heat exchange turbulence conductor in burner air cover, and combustion-supporting air is self-preheated.

The utility model discloses a battery module with 360-degree air-cooling partition plates, a module partition plate is arranged between adjacent battery cell modules, the module partition plate comprises a first component, a second component and a third component, two ends of the first component are respectively connected to the surfaces of the two adjacent battery cell modules, and two ends of the second component are respectively connected to the surfaces of the two adjacent battery cell modules. The two ends of the second assemblies are connected to the adjacent first assemblies in the first direction, the two ends of the third assemblies are connected to the adjacent first assemblies in the second direction, the first direction is perpendicular to the second direction, and the second assemblies divide the battery cell modules into a plurality of first air channels in the first direction; the battery cell modules are divided into a plurality of second air ducts along a second direction by the third assemblies, and airflow can converge in the first air ducts and the second air ducts to form 360-degree heat dissipation airflow circulation. When the battery module works to generate heat, the heat can be diffused to the periphery through the crisscrossed air ducts and is not limited to the horizontal direction any more, so that the heat dissipation efficiency is effectively improved, and the local high temperature phenomenon is reduced.

The application discloses a novel fuel regenerative cooling structure of a combined nozzle, which comprises a curved section and straight pipe sections; one side of the straight pipe sections is configured as an inlet far from one end of the curved section, and the other side of the straight pipe sections is configured as an outlet far from the other end of the curved section; an upper pipe heating channel and a lower pipe heating channel are formed in the cooling structure; and a communication hole for connecting the upper pipe heating channel and the lower pipe heating channel is arranged at the curved section. The cooling structure is provided with the communication hole for connecting the upper and lower pipe heating channels, and the improved U-shaped structure of the liquid collecting cavity, which effectively alleviates the uneven flow distribution phenomenon of the curved parallel channels of the nozzle wall surface, reduces the local high temperature of the nozzle wall surface, effectively reduces the average temperature of the nozzle wall surface, avoids the nozzle damage caused by the local over-temperature, and meanwhile, the fuel temperature entering the combustion chamber is increased, the small molecular substances generated by the fuel cracking are easy to be atomized, and the combustion efficiency is improved.

The invention discloses a cutting blade and a cutting tool, and relates to the field of cutters, the cutting blade comprises a top surface, a bottom surface and side surfaces, the top surface and the bottom surface are oppositely arranged along the thickness direction of the cutting blade, the side surfaces are respectively connected with the top surface and the bottom surface, and the top surface and the bottom surface are oppositely arranged along the thickness direction of the cutting blade. A cutting edge is formed at the joint of the side surface and the top surface; wherein the top surface comprises a margin surface, a front cutter surface and a groove part which are connected in sequence, the margin surface extends in the extending direction of the cutting edge, a plurality of notch parts which are distributed at intervals in the extending direction of the cutting edge are formed in the surface of the margin surface, the front cutter surface obliquely extends from the margin surface to the groove part, and the notch parts are distributed at intervals in the extending direction of the cutting edge. And a plurality of convex parts which are arranged in sequence are formed on the surface of the groove part. According to the cutting blade provided by the embodiment of the invention, local high temperature and thermal stress concentration can be reduced, the heat dissipation efficiency is improved, and the service life of a cutting tool is effectively prolonged.

The ultralow NOx burner comprises a peripheral gun, a central ring gun, an incandescent light, an air bellow, a brick supporting plate, an inner-layer brick and an outer-layer brick. A plurality of peripheral guns are evenly distributed on the inner wall of a combustor shell, an incandescent light is installed in the center of an inner cavity of the shell, a center ring gun is arranged around the incandescent light, a brick supporting plate is installed above the combustor shell, an inner-layer brick and an outer-layer brick are installed on the brick supporting plate, and a hollow cavity formed in the inner side of the inner-layer brick forms a primary air channel. A cavity between the inner-layer brick and the outer-layer brick is a secondary air channel, the upper portion of the outer-layer brick is closed up, and the air bellow is installed on the combustor shell and communicated with an inner cavity of the shell. According to the combustor, the limitation of single grading of a traditional combustor is broken through, and accurate control over the grading proportion and the combustion height of gas and air collaborative grading is achieved through the two layers of spray guns and the two layers of burner bricks.