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Waste heat utilization system for aluminium melting furnace

A technology of aluminum melting furnace and waste heat, which is applied in furnaces, waste heat treatment, furnace components, etc., can solve problems such as waste of heat energy, achieve the effects of reducing emission pollution, compact structure, and improving heat recovery efficiency

Active Publication Date: 2013-11-20
东莞市盛安炉具设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Similarly, the energy-saving device designed in this patent application only uses a first-level waste heat utilization device, which can only partially utilize the waste heat of the aluminum melting furnace, and a large amount of heat energy will be wasted in vain

Method used

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  • Waste heat utilization system for aluminium melting furnace

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Embodiment approach

[0031] Please refer to figure 1 According to an embodiment of the present invention, the aluminum melting furnace waste heat utilization system includes a furnace body 100, a nozzle 120, a flue gas pipe 160, a first-stage waste heat utilization system 200, a second-stage waste heat utilization system 400, and a third-stage waste heat utilization system. System 600.

[0032] A furnace (not shown) is disposed inside the furnace body 100 . The nozzle 120 is disposed on one end wall of the furnace body 100 . The flue gas pipe 160 is connected to the other end wall of the furnace body 100 to discharge the flue gas generated in the furnace to the chimney 190 .

[0033]The first-stage waste heat utilization system 200 includes a high-temperature heat exchanger 210 arranged upstream of the flue gas pipeline 160. The high-temperature heat exchanger 210 has a flue gas flow path (not shown) and a fluid flow path (not shown), And the first-stage waste heat utilization system 200 also i...

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Abstract

The invention discloses a waste heat utilization system for an aluminium melting furnace, which comprises a furnace body, a spray nozzle and a fume pipeline, as well as a high temperature heat exchanger, a medium temperature heat exchanger and an evaporator, wherein a furnace chamber is formed in the furnace body; the spray nozzle is arranged on one side end wall of the furnace body; the fume pipeline is connected onto the other side end wall of the furnace body to discharge fume generated inside the furnace chamber to a chimney; the high temperature heat exchanger, the medium temperature heat exchanger and the evaporator are sequentially arranged in the fume flowing direction of the fume pipeline and used for enabling fume in the fume pipeline to exchange heat with different fluids respectively. The waste heat utilization system for the aluminium melting furnace, provided by the invention, comprises a primary waste heat utilization system, a secondary waste heat utilization system and a third stage waste heat utilization system, and can fully recycle fume waste heat of the aluminium melting furnace.

Description

technical field [0001] The invention relates to a waste heat recovery system, in particular to a waste heat recovery system for an aluminum melting furnace. Background technique [0002] In the face of increasingly severe environmental problems and energy crises, the whole world is vigorously advocating energy conservation and emission reduction, especially for industrial kiln related industries with serious energy consumption and pollution. Factors that personnel must consider when designing such equipment. [0003] Taking an aluminum melting furnace as an example, the flue gas temperature at the flue gas outlet usually reaches about 1000 degrees Celsius. If these high-temperature flue gases are directly discharged into the environment, it will not only cause energy waste but also cause a certain degree of damage to the environment. [0004] For example, Chinese Patent No. 200920241826.1 discloses a waste heat recovery device for an aluminum melting furnace, which include...

Claims

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Application Information

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IPC IPC(8): F27D17/00F23J15/06F23L15/04
CPCY02E20/34Y02P10/25
Inventor 刘效洲李瑞宇何志锋
Owner 东莞市盛安炉具设备有限公司
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