Gas flow equalizing ring for oil heater
A fuel heater, gas technology, applied in air heaters, fluid heaters, lighting and heating equipment, etc., can solve problems such as heat loss of fuel heaters, and achieve the effect of improving thermal efficiency
Inactive Publication Date: 2009-05-27
河北宏业永盛汽车加热器股份有限公司 +1
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Problems solved by technology
[0003] At present, various types of fuel oil heaters generally have different degrees of gas short-circuit problems, that is, when the heat of the gas is not fully absorbed by the heat exchanger in the heater, the high-temperature gas will pass through a relatively short distance and a small flow resistance. The channel on the side of the heater exhaust port escapes into the atmosphere from the exhaust port, and the smaller the exhaust back pressure, the more serious the phenomenon, resulting in unnecessary heat loss of the fuel heater
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[0017] Such as figure 1 and figure 2 As shown, the gas flow equalizing ring 1 for a fuel heater of the present invention is a ring having an inner circle and an outer circle (or other geometric shapes), and a number of gas equalizing holes 2 with different areas are distributed on the ring. The area of each gas flow equalizing hole on the gas flow equalizing ring 1 increases gradually along the gas equalizing hole with the smallest area toward its two sides, and the area of the gas equalizing hole opposite to the gas equalizing hole with the smallest area is the largest. The gas equalizing hole 2 can be various geometric shapes such as circle, square or racetrack shape. The shape of the outer ring of the gas flow sharing ring 1 matches the shape of the gas outlet end surface of the inner cavity of the heat exchanger in the applied fuel heater, and the shape of the inner hole matches the outer shape of the burner in the fuel heater.
[0018] The application of the presen...
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The invention provides a gas flow-distribution ring used for a fuel heater. The gas flow-distribution ring takes a shape of annularity, and gas flow-distribution holes of different areas are arranged on the gas flow-distribution ring. The arrangement of the area of each gas flow-distribution hole is that the areas of the gas flow-distribution holes are enlarged gradually along two sides of the gas flow-distribution hole of the smallest area. When in use, the gas flow-distribution ring is arranged between a heat exchanger and a burner in the fuel heater, and the gas flow-distribution ring is fixed on the end-face of the inner cavity gas outlet of the heat exchanger of the fuel heater. One side with the smallest area of the gas flow-distribution hole on the gas flow-distribution ring is positioned on the vent side of the fuel heater, leading the gas flow circulation area to be enlarged gradually from the vent side of the fuel heater to the opposite side of the vent side and resulting in an equal general flow resistance of each gas flow route when the gas flows to the vent, so as to realize the purpose of an equal flow of gas in the whole flowing route and avoiding short circuit and enhancing the heating efficiency. The invention can lead the heating efficiency of the fuel heater to be improved by more than 4 percent.
Description
technical field [0001] The invention relates to a gas flow equalizing device for a fuel oil heater, belonging to the technical field of fuel oil heaters. Background technique [0002] As an independent heating device, the fuel heater has been widely used for heating in low-temperature environments and engine preheating for various transport machinery such as automobiles and ships. As a key component of a fuel heater, the heat exchanger has a significant impact on the heat exchange efficiency and other properties of the heater. [0003] At present, various types of fuel oil heaters generally have different degrees of gas short-circuit problems, that is, when the heat of the gas is not fully absorbed by the heat exchanger in the heater, the high-temperature gas will pass through a relatively short distance and a small flow resistance. The channel on the side of the heater exhaust port escapes into the atmosphere from the exhaust port, and the smaller the exhaust back pressure...
Claims
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IPC IPC(8): F24H3/00
Inventor 毛华永李国祥陆辰潘世艳巩厅房张岳郝胜兵晋世强孔炯炯张志博孙焕利
Owner 河北宏业永盛汽车加热器股份有限公司