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An energy-saving and environment-friendly cupola

An energy-saving, environmentally friendly, cupola technology, applied in furnaces, vertical furnaces, furnace components, etc., can solve the problem of unutilized physical, thermal and chemical heat of furnace exhaust gas, achieve good dust removal effect, high heat utilization rate, and reduce pollution. The effect of emissions

Inactive Publication Date: 2011-12-14
王洪旗
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cupola currently used is generally exhausted from the furnace gas into the atmosphere through the chimney, or directly cooled with water due to the needs of dust removal equipment, the physical heat and potential chemical heat in the furnace gas tail gas (that is, the heat energy released by CO combustion) not used

Method used

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  • An energy-saving and environment-friendly cupola
  • An energy-saving and environment-friendly cupola

Examples

Experimental program
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Effect test

Embodiment Construction

[0014] Depend on figure 1 As can be seen from the shown embodiment, it includes a cupola body 1, and it also includes an induced draft pipe 4, a shell-and-tube heat exchanger 5, a dust collecting hopper 9, a spray scrubber 11, an induced draft fan 11, a chimney 8, The dehydrator 6, blower 2 and hot air pipe 7, the heat flow inlet of the shell and tube heat exchanger 5 is connected with the cupola flue gas outlet through the draft pipe 4, and its heat flow outlet is connected with the air inlet of the dust collecting hopper 9. The air outlet of the dust hopper 9 is connected with the spray washing tower 11, which is then connected with the chimney 8 through the induced draft fan 11 and the dehydrator 6; the outlet of the blower 2 is connected with the cold flow inlet of the heat exchanger 5, and the The cold flow outlet links to each other with the air inlet of cupola 1 by hot blast pipe 7; The used washing liquid of spray dust collector 10 is alkaline water; There is insulat...

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Abstract

The invention discloses an energy-saving and environment-friendly cupola. By adding equipment such as heat exchangers and dust collectors, the tail gas of the furnace is treated with heat energy recycling, dust removal and desulfurization, etc., so as to achieve energy saving (reduce coke consumption), It also has the effect of reducing pollution emissions (high-temperature gas, SO2, dust). At the same time, due to the use of hot air inlet technology, the furnace temperature is increased, the reject rate of casting products is reduced, and economic benefits are increased.

Description

technical field [0001] The present invention relates to a cupola. Background technique [0002] During the smelting process of the cupola furnace, a reduction reaction will occur, so that the tail gas of the furnace gas will produce about 13% CO. When CO is burned, the flame temperature can reach 2095 ° C, and the calorific value is very high. The cupola currently used is generally exhausted from the furnace gas into the atmosphere through the chimney, or directly cooled with water due to the needs of dust removal equipment, the physical heat and potential chemical heat in the furnace gas tail gas (that is, the heat energy released by CO combustion) Not being exploited. The sum of this part of heat energy is equivalent to 30% of the heat released when the coke used in the production process is burned. If it is not used, it will be wasted in vain. Therefore, the cupola furnace has great potential for energy saving and consumption reduction. At the same time, the dust, sulfi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B1/00F27B1/18F27B1/22F27D17/00F23L15/00
CPCY02E20/34
Inventor 王洪旗
Owner 王洪旗
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