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Tower-type slag granulation steam-recovery unit

A recovery device and a one-tower technology, applied in the field of metallurgy, to achieve obvious energy-saving effects, outstanding effects, and excellent separation effects

Active Publication Date: 2012-09-26
CISDI ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the object of the present invention is to provide a tower-type slag granulation steam recovery device with good steam condensate recovery effect, small footprint and low investment, which solves the problem of slag granulation steam condensate recovery

Method used

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  • Tower-type slag granulation steam-recovery unit

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Embodiment Construction

[0021] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the present invention, but not for limiting the protection scope of the present invention.

[0022] As shown in the figure, a tower-type slag granulation steam recovery device of the present invention includes a tower-type shell, and the bottom of the shell is provided with a steam drainage pipe 1. Drench cleaning device, front-stage steam-water separator 3, mixer 5, rear-stage steam-water separator 6, blower fan 7 and steam discharge pipe 8; There are air intake windows 4.

[0023] A drainage device is also arranged at the bottom of the tower shell, and the drainage device includes a drain pipe 15 and a slag launder 16, and the cleaning water and condensed water are connected to the slag launder through the drain pipe.

[0024] In this embodiment, the spray...

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Abstract

The invention discloses a tower-type slag granulation steam-recovery unit, comprising a tower-type shell, wherein the bottom of the shell is provided with a steam drainage tube; a spray washing unit, a front-section steam-water separator, a mixer, a back-section steam-water separator, an air blower and a steam discharge tube are sequentially arranged above the steam drainage tube in the longitudinal direction of the tower-like shell; and an air window is arranged on a wall of the tower-like shell between the front-section steam-water separator and the mixer. In the tower-type slag granulationsteam-recovery unit, a cold air cooling steam mode is adopted except a spray washing mode. Compared with a water cooling steam mode, the cold air cooling mode is adopted, thus the implementation costis lower, the wastes of water resources are avoided, and the recovery of steam condensates is realized beneficially. In the tower-type slag granulation steam-recovery unit, a mode that the water carried in steams is separated independently is adopted and the front-section steam-water separator, the mixer and the back-section steam-water separator as well as the air blower which are sequentially arranged are utilized, thus the coordination effects and the separation effects are good.

Description

technical field [0001] The invention relates to the field of metallurgy, in particular to a device for recovering slag granulation steam. Background technique [0002] Metallurgical plants will produce a large amount of molten slag during the production process. Most of the molten slag is treated by water granulation. A large amount of steam will also be generated in the slag granulation project. The current steam treatment methods mainly include: The following 4 types: [0003] (1) Arbitrary discharge; (2) After collection, use the chimney to discharge; (3) After collection, use pipes to lead to the top of the blast furnace for discharge; (4) After collection, spray water to cool and recover steam, which is the environmental protection INBA method of PW Company. [0004] Relatively speaking, the first two methods have a great impact on the environment, and at the same time, the water loss is also large; although the third method reduces the impact on the environment, the c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21B3/08
CPCC21B2400/024C21B2400/026C21B2400/062C21B2400/072C21B2400/074C21B2400/08
Inventor 邱利祥李丽娟王亮
Owner CISDI ENG CO LTD
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