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Metal smelting furnace

A metal smelting and metal technology, applied in the field of high-efficiency and energy-saving metal smelting furnaces, to achieve obvious energy-saving effects

Active Publication Date: 2016-06-01
苏州中创达节能环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in terms of the full combustion of the above-mentioned fuels and the recovery of waste heat, the current technology is very mature and has reached its limit, it is difficult to conduct research on these aspects to improve the energy-saving performance of smelting furnaces

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Embodiment Construction

[0025] An embodiment of the present invention provides a high-efficiency and energy-saving metal smelting furnace, which improves heat absorption of metals by enhancing heat transfer during the metallurgical process.

[0026] In terms of heat transfer, the heat absorption of the metal in the metal smelting furnace is completed through two parts: convective heat transfer on the metal surface (that is, the interface between the upper and lower parts of the furnace) and heat transfer on the metal surface absorbing radiation. In the non-ferrous metallurgical smelting process, since the blackness of non-ferrous metals is generally low (such as the blackness of aluminum and aluminum alloys is less than 0.25), the absorption ratio α to thermal radiation is also very low, and the surface of the heated metal is in the form of radiation heat transfer. The efficiency of receiving heat is very low (for example, aluminum and aluminum alloys only receive less than 30% of the heat energy radi...

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Abstract

The invention discloses a metal smelting furnace. The metal smelting furnace comprises a furnace bottom, a furnace wall, a furnace top wall, a furnace door and a hearth. The upper half part of the hearth is a hot smoke chamber, and metal to be heated is placed in the lower half part of the hearth. A strengthened heat transfer layer used for increasing the heat absorbing speed of the metal is arranged between the upper half part and the lower half part of the hearth. According to the metal smelting furnace, the heat of the hot smoke in the upper half part of the hearth is transmitted to the lower half part, the heat transfer strength of the heated metal is increased to more than two times till tens of times, the exhaust temperature is directly caused to be reduced, the heat losses are reduced, the metal temperature rising speed is increased, the fuel combustion time is shortened, and the obvious energy saving effect can be generated.

Description

technical field [0001] The invention belongs to the technical field of metallurgy and relates to a high-efficiency and energy-saving metal smelting furnace. Background technique [0002] The metal smelting industry is a high-energy-consumption and high-pollution industry. As energy prices continue to rise, fuel consumption costs account for an increasing proportion of processing costs, accompanied by a large consumption of natural resources, a large amount of carbon emissions, and serious environmental pollution. . In order to reduce fuel consumption in the production process of metallurgical furnaces, relevant research institutions and production enterprises are constantly exploring new technologies to reduce costs and reduce environmental pollution. [0003] At present, the new inventions and technologies in energy saving of metal smelting furnaces and efficient utilization of fuels in the entire metallurgical industry are mainly concentrated in two aspects: one is to a...

Claims

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Application Information

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IPC IPC(8): F27B14/00F27D17/00
CPCF27B14/00F27D17/00
Inventor 邓长友
Owner 苏州中创达节能环保科技有限公司