Energy-saving metal melting furnace with zero burning loss
A technology for melting furnaces and metals, applied in furnaces, crucible furnaces, furnace types, etc., can solve the problems of low combustion rate of melting furnaces, metal oxidation burnout, high oxidation rate, etc., to reduce channel maintenance and production costs, and avoid metal Oxidation, thermal efficiency improvement effect
Active Publication Date: 2019-11-05
易平
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Problems solved by technology
[0004] The combustion rate of the melting furnace in the prior art is not high, and the oxidation rate is high, causing adverse effects such as metal oxidation and burning.
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[0028] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0029] see Figure 1-3 As shown, the present invention relates to a zero-burning energy-saving metal melting furnace, including a combustion chamber 1, a holding chamber 2 and a preheating melting chamber 3, the holding chamber 2 is arranged at the lower end of the preheating melting chamber 3, and is connected with the preheating The lower end of the melting chamber 3 communicates, and the upper end of the preheating melting chamber 3 communicates with the holding chamber 2 through a channel and through the first counterflow heat exchanger 4 to form an air flow circulat...
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The invention relates to the field of melting furnaces, in particular to a zero-burning loss energy-saving metal melting furnace. Nitrogen is used as a heat transfer medium, and a nitrogen storage tank is connected to provide positive pressure, the volume of a furnace body is filled with the nitrogen in the whole process from preheating to melting to maintaining of metal, outside oxygen cannot enter the furnace body, metal oxidation can be avoided, the metal in melting and the metal in preheating are completely burned in oxygen-free gas, and the zero-burning loss effect is achieved; through the arrangement of a steering valve, gas exchange and sharing can be realized, it is ensured that another preheating melting chamber is preheated by the nitrogen to preheat the metal when one preheatingmelting chamber melts the metal, and the heat efficiency is improved; a channel for discharging tail gas further communicates with a channel, used for discharging burning gas, of a burning chamber, the temperature of the burning gas is reduced by partially flowing back the tail gas, and it is ensured that the furnace body is used within the temperature range which can be withstood; and the exhaust passage is also provided with a regulating valve, and the mixing amount of the tail gas and the burning gas can be adjusted through the regulating valve.
Description
technical field [0001] The invention relates to the field of melting furnaces, in particular to a zero-burning energy-saving metal melting furnace. Background technique [0002] In the field of metallurgy, melting metal is a very common and important process. The molten metal can be used to cast metal parts of various shapes. The melting furnace is a new type of high-efficiency and energy-saving aluminum melting furnace developed according to the aluminum smelting process. It is mainly used for melting and heat preservation of aluminum ingots, and it can well meet the aluminum smelting process. The furnace is composed of melting furnace, crucible, heating element, furnace cover lifting mechanism, electrical automatic temperature control system and so on. The furnace shell is welded into a square or cylindrical shape by section steel and steel plate. There is a hole at the lower part of the front end of the furnace body, for the crucible to leak out due to corrosion and ox...
Claims
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IPC IPC(8): F27B14/04F27B14/14F27B14/08F27B14/20
CPCF27B14/04F27B14/08F27B14/14F27B14/20F27B2014/085F27B2014/0875
Inventor 易平
Owner 易平