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Blast furnace slag processing device

A treatment device and blast furnace slag technology, applied in the field of metallurgical ironmaking equipment, can solve the problems of poor slag granulation and cooling effect, easy occurrence of red slag and large black slag, short service life of granulation wheel method, etc., to achieve Improved production environment, high dehydration efficiency and good adaptability

Active Publication Date: 2010-02-17
CISDI ENG CO LTD
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  • Abstract
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Problems solved by technology

At present, the processing methods for slag are mainly INBA method and granulation wheel method. Among them, the INBA method is equipped with a steam condensation recovery device for forced water spray cooling, so the investment and floor space are relatively large, and the cost of production and operation is relatively high; However, the service life of the granulation wheel method is relatively short, the slag granulation and cooling effect is not good, and red slag and large black slag are prone to appear, so the quality of water slag is poor

Method used

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  • Blast furnace slag processing device
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Embodiment 1

[0021] Embodiment 1: as figure 1 and figure 2 As shown, a blast furnace slag processing device, the processing device includes a water quenching cooling device, a slag water separation device and a slag flushing water circulation device, wherein the input end of the slag water separation device and the output end of the water quenching cooling device The output end is connected to the input end of the slag flushing water circulation device; the output end of the slag flushing water circulation device is connected to the input end of the water quenching cooling device; the water quenching cooling device includes an inlet device 3 And the slag tank 4 of the lower outlet device 6, the slag ditch 1, the punching box 2 and the slag exhaust pipe 5; wherein, the slag ditch 1 and the punching box 2 are connected to the The water slag tank 4 is connected; the water slag exhaust cylinder 5 is arranged on the upper part of the water slag tank 4; the slag water separation device include...

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Abstract

The invention relates to a blast furnace slag processing device. The processing device comprises a water-quenching cooling device, a slag-water separating device and a slag flush water circulating device, wherein the input end of the slag-water separating device is connected with the output end of the water-quenching cooling device, and the output end of the slag-water separating device is connected with the input end of the slag flush water circulating device; and the output end of the slag flush water circulating device is connected with the input end of the water-quenching cooling device. The blast furnace slag processing device is provided with a condensing and recycling device, reduces the ground occupation area, the investment and the production running cost and has high quality of water and slag.

Description

technical field [0001] The invention belongs to the technical field of metallurgical ironmaking equipment, and relates to a blast furnace slag processing device. Background technique [0002] As an accessory of blast furnace metallurgical ironmaking, slag must be treated accordingly before it can be shipped out. At present, the processing methods for slag are mainly INBA method and granulation wheel method. Among them, the INBA method is equipped with a steam condensation recovery device for forced water spray cooling, so the investment and floor space are relatively large, and the cost of production and operation is relatively high; However, the service life of the granulation wheel method is relatively short, the slag granulation and cooling effects are not good, and red slag and large black slag are prone to appear, so the quality of water slag is poor. Contents of the invention [0003] In view of the above disadvantages, the present invention provides a slag treatmen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21B3/06C21B3/08
CPCC21B2400/024C21B2400/032C21B2400/062C21B2400/072Y02P10/20Y02W30/50
Inventor 林西平范志刚董会国叶薇
Owner CISDI ENG CO LTD
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