Xi'an Zhibang
News Center
06
2023
-
07
How to improve the energy saving and environmental protection effect of DC electric arc furnace?
Author：
First, the utilization of blast furnace hot air Blast furnace hot air is a high temperature and high pressure gas, containing a large amount of heat and oxygen. Introducing blast furnace hot air into a DC electric arc furnace can greatly reduce energy consumption. Before the exhaust gas flow is released, the exhaust gas is passed through the preheated heating system, and the heat in it is transferred to the heating water to obtain the effect of energy saving.
Second, the power self-provided power grid system Electric energy occupies a large proportion in the production of DC arc furnace, if there is a self-owned power grid system, it can greatly reduce the cost of electricity. The system compresses and stores the electrical energy generated in the actual production and discharges it when needed, so that the use of electric energy is more stable and the waste of energy is reduced.
Third, high-efficiency and energy-saving conductive structure Energy-efficient conductive structure is an important part of the DC arc furnace control system. The use of energy-efficient conductive structure can greatly improve the stability of the arc and the life of the arc cold electrode, avoiding unnecessary energy waste and maintenance loss.
Fourth, reasonable exhaust gas purification measures The purification of waste gas is a necessary step for DC electric arc furnace enterprises to discharge pollutants. Reasonable exhaust gas purification measures can digest or decompose harmful substances in the exhaust gas into harmless compounds, thereby reducing environmental pollution. The main methods of waste gas purification measures of DC electric arc furnace include wet desulfurization, activated carbon adsorption, membrane separation and photocatalysis.
V. Reasonable wastewater treatment measures Wastewater treatment in DC arc furnace technology is mainly for oily wastewater and acidic wastewater. Reasonable wastewater treatment measures can reduce the pollution of harmful substances to the environment. In the wastewater treatment process, the main technologies used include precipitation, evaporative crystallization, biological pools and cell membranes.
Sixth, furnace body insulation material furnace body insulation material is an important part of DC electric arc furnace, the use of high-quality insulation materials can not only reduce energy consumption, but also reduce exhaust gas emissions. The main insulation materials currently used are high clay and silicon carbide.