Efficient smelting furnace energy-saving system and energy-saving smelting technology
An energy-saving system and smelting furnace technology, which can be applied in the direction of improving process efficiency, etc., can solve the problems of high heat of metal smelting, reduction of furnace temperature, and large heat consumption.
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[0032] Example 1
[0033] Such as figure 1 , An energy-saving system for a high-efficiency smelting furnace, comprising a smelting furnace 1. The smelting furnace 1 is provided with a furnace door 2, a burner 3, and an exhaust gas exhaust pipe 4; the smelting furnace 1 is a plurality of smelting furnaces arranged side by side; A retaining wall 5 for isolating the molten metal but not the gas is provided between adjacent smelting furnaces 1.
[0034] There are many ways for the retaining wall 5 to block liquid and not gas. For example, air guide holes or air seams are provided on the top of the retaining wall 5, or the use of multi-capillary fireproof switches, etc. The purpose of this setting is that in the production process The two smelting furnaces 1 are not working at the same time. One smelting furnace 1 is working, and the other smelting furnace 1 needs to be shut down during the charging and discharging of liquid metal. When the furnace is shut down, due to the existence of...
Example Embodiment
[0037] Example 2
[0038] Such as figure 1 , An energy-saving system for a high-efficiency smelting furnace, comprising a smelting furnace 1. The smelting furnace 1 is provided with a furnace door 2, a burner 3, and an exhaust gas exhaust pipe 4; the smelting furnace 1 is a plurality of smelting furnaces arranged side by side; Between adjacent smelting furnaces 1, there is a retaining wall 5 for isolating the molten metal but not the gas; the exhaust gas exhaust pipe 4 is connected with an exhaust manifold 6; the burner 3 is provided with The oil supply pipe 7 and the air supply pipe 8; the furnace door 2 is provided with a water cooler 9; the water cooler 9 is connected with a circulating water supply pipe; the oil supply pipe 7 is connected to the oil storage tank 22; The air supply pipe 8 is connected to the fan 12;
[0039] It also includes an air preheating unit, a first oil preheating unit, a second oil preheating unit, and a third oil preheating unit 18;
[0040] The air pr...
Example Embodiment
[0055] Example 3
[0056] Such as figure 1 , An energy-saving smelting process of a high-efficiency smelting furnace, the process is implemented by the energy-saving system of the high-efficiency smelting furnace 1 as described in Example 2;
[0057] Adjacent smelting furnaces 1 alternately smelt; when any smelting furnace 1 is shut down, the furnace temperature is maintained by the gas in the adjacent smelting furnace 1;
[0058] The exhaust gas passes through the first air preheating mechanism 13, the second air preheating mechanism 14, the first oil preheating unit, and the second oil preheating unit in order to absorb heat in the exhaust gas;
[0059] The combustion-supporting air supplied by the fan 12 is heated by the first air preheating mechanism 13 and the second air preheating mechanism 14 and then enters the combustor 3;
[0060] The fuel oil passes through the second oil preheating unit, the third oil preheating unit 18, and the first oil preheating unit in sequence, and th...
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