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an improved burner
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A burner and burner technology, which is applied to burners, gas fuel burners, combustion types, etc., can solve problems such as affecting the service life of gas stoves, poor combustion effect, and general strength, achieve good solid solution strengthening effect, prevent Grain growth and the effect of preventing the slip of grain boundaries
Active Publication Date: 2018-09-14
精劲精密机械南通有限公司
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Abstract
Description
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Problems solved by technology
[0004] The interior of the burner is often provided with a flow channel of a specific structure. After the gas circulates in the burner, it is ignited by the ignition device. The internal circulation of the burner is not smooth, which easily leads to insufficient combustion of gas, poor combustion effect and low safety
[0005] However, the material of the gas stove in the prior art is general alloy steel, aluminum alloy or copper alloy, which not only has average strength, but also has poor temperature resistance and corrosion resistance, which affects the service life of the gas stove.
Method used
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Embodiment 1
[0070] Pre-melting treatment: according to the constituent elements and mass percentages of the magnesium alloy described in Table 1, Example 1, the charge is prepared, the charge is preheated to 160°C for use, and the crucible is preheated to dark red at 540°C for use;
[0071] Melting: Melt the prepared charge at 715°C into molten magnesium, stir evenly and continue to heat up to 755°C, refine and remove slag under the protection of argon;
[0072] Die-casting: cooling the refined and slag-removed molten magnesium to 700°C first, and then pouring it into a mold cavity preheated to 270°C for die-casting to obtain die-casting parts; among them, the pouring temperature is 725°C and the injection speed is The injection pressure is 9.2m / s, the injection pressure is 30MPa, and the filling time is 24ms.
[0073] Heat treatment: Heat the die casting at 310°C for 12 hours, cool with the furnace, then raise the temperature to 390°C at a rate of 3.5°C / s and keep it for 3 hours, cool wi...
Embodiment 2
[0075] Pre-smelting treatment: according to the constituent elements and mass percentages of the magnesium alloy described in Table 1, Example 2, the charge is prepared, the charge is preheated to 170°C for standby, and the crucible is preheated to dark red at 560°C for standby;
[0076] Melting: Melt the prepared charge into molten magnesium at 720°C, stir evenly and continue to heat up to 752°C, refine and remove slag under the protection of argon;
[0077] Die-casting: cooling the refined and slag-removed molten magnesium to 710°C first, and then pouring it into a mold cavity that has been preheated to 275°C for die-casting to obtain die-castings; among them, the pouring temperature is 728°C and the injection speed is The injection pressure is 8.8m / s, the injection pressure is 32MPa, and the filling time is 25ms.
[0078] Heat treatment: Heat the die casting at 305°C for 14 hours, cool with the furnace, then raise the temperature to 385°C at a rate of 3.2°C / s and keep it fo...
Embodiment 3
[0080]Pre-smelting treatment: according to the constituent elements and mass percentages of the magnesium alloy described in Table 1, Example 3, the charge is prepared, the charge is preheated to 155°C for standby, and the crucible is preheated to dark red at 520°C for standby;
[0081] Melting: Melt the prepared charge into molten magnesium at 710°C, stir evenly and continue to heat up to 758°C, refining and slag removal under the protection of argon;
[0082] Die-casting: Cool the magnesium liquid after refining and slag removal to 690°C, and then pour it into the mold cavity that has been preheated to 265°C for die-casting to obtain die-casting parts; among them, the pouring temperature is 722°C and the injection speed is The injection pressure is 10.2m / s, the injection pressure is 28MPa, and the filling time is 23ms.
[0083] Heat treatment: heat the die casting at 315°C for 12 hours, cool with the furnace, then raise the temperature to 395°C at a rate of 3.8°C / s and keep ...
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Abstract
The invention provides an improved combustor, and belongs to the technical field of gas appliances. The improved combustor comprises an outer furnace end, an inner furnace end, a pipeline assembly, ignition columns and supporting columns; the outer furnace end is arranged in a circular-ring shape, an outer fire cover is buckled on the outer furnace end, an outer mixing cavity is defined by the outer fire cover and the outer furnace end, a plurality of main channels communicated with the outer mixing cavity are formed in the bottom of the outer furnace end, and the cross sections of the main channels are arranged in a square manner; the inner furnace end is arranged in the middle of the outer furnace end in a penetrating manner, an inner fire cover is buckled on the inner furnace end, an inner mixing cavity is defined by the inner fire cover and the inner furnace end, and secondary channels communicated with the inner mixing cavity are formed in the bottom of the inner furnace end; the pipeline assembly is provided with secondary air inlet pipes corresponding to the secondary channels and a plurality of main air inlet pipes corresponding to the main channels in a one-to-one manner; the ignition columns are communicated with the pipeline assembly and extend vertically and upwards to abut against the side wall of the periphery of the inner furnace end, and the supporting columns are vertically mounted below the pipeline assembly; the ignition columns and the supporting columns are made of a magnesium alloy. The beneficial effects of being good in combustion effect, long in service life and the like are achieved.
Description
technical field [0001] The invention belongs to the technical field of gas appliances, and relates to an improved burner, in particular to an improved burner used in a gas stove. Background technique [0002] Gas stoves refer to kitchen utensils that are heated directly by gaseous fuels such as liquefied petroleum gas, artificial gas, and natural gas. The gas stove is mainly composed of a burner, an ignition device, a hob, an air intake pipe, a valve body and other devices. [0003] The burner includes a burner head, inner and outer fire cover and other structures. When working, the gas enters the stove from the intake pipe, enters the burner head through the adjustment of the gas valve, and mixes part of the air at the same time (this part of the air is called primary air). The gas is ejected from the fire hole of the fire distribution cover and is ignited by the ignition device to form a flame (the air required for combustion is called secondary air), which is then used t...
Claims
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Application Information
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