In order to save energy, first of all, thermal insulation measures should be taken for the conduction, convection and radiation of heat transfer, and thermal insulation materials with low thermal conductivity, high strength and resistance to aluminum water erosion should be selected. Secondly, the thickness of thermal insulation materials shall be ensured in the structure, and the heat dissipation section at the inlet and outlet and the heat dissipation surface area of the furnace body shall be minimized. Of course, the molten pool material of the holding furnace is also very important. It is recommended to use imported special mullite or corundum materials, which can be used for more than 5 years.
Let's first understand the energy-saving potential of holding furnace. Ideally, if aluminum does not need to be heated and there is no energy loss during insulation, there is no need for energy. In this sense, the energy-saving potential of holding furnace is greater. After more than 20 years of efforts, the energy saving of LDB series pool holding furnace of our company is more prominent. Take the holding furnace crl-600-12 for 900t press as an example, with capacity of 600kg, design power of 12KW and practical power of 8kw. In the test of Taizhou Suzhong nonferrous alloy factory, the 24-hour power consumption is less than 200 kwh. It is determined that the 24-hour power consumption of a holding furnace with the same capacity of a company is 480 kwh, saving 58.3%. Later, the company decisively updated the remaining more than ten holding furnaces, saving more than 10000 yuan of electricity every five days. It significantly reduces the product cost and improves the competitiveness of enterprises.
In order to save energy, first of all, thermal insulation measures should be taken for the conduction, convection and radiation of heat transfer, and thermal insulation materials with low thermal conductivity, high strength and resistance to aluminum water erosion should be selected. Secondly, the thickness of thermal insulation materials shall be ensured in the structure, and the heat dissipation section at the inlet and outlet and the heat dissipation surface area of the furnace body shall be minimized. Of course, the molten pool material of the holding furnace is also very important. It is recommended to use imported special mullite or corundum materials, which can be used for more than 5 years.
The structure of crl-600-12 holding furnace of our company is shown in the attached figure (in addition to the above characteristics, it can directly control and display the temperature of molten aluminum; it can automatically open and close the furnace cover for easy cleaning).