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Water spraying device and cooling method for hot converter steelmaking slag

A converter steelmaking and water spray cooling technology, which is applied in the field of metallurgical slag treatment and comprehensive utilization, can solve problems such as uneven cooling, environmental pollution, and large water spray volume, so as to reduce cooling costs, avoid environmental pollution, and save water resources Effect

Inactive Publication Date: 2009-10-21
武汉钢铁有限公司
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Problems solved by technology

[0005] Aiming at the problems of large amount of water sprayed and uneven cooling in the current water spraying device for steelmaking slag, and in view of the problem of serious environmental pollution in the existing cooling method, the present invention provides a water spraying device and a cooling device used in conjunction with the water spraying device. method, it can not only save cooling costs, but also avoid environmental pollution

Method used

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  • Water spraying device and cooling method for hot converter steelmaking slag
  • Water spraying device and cooling method for hot converter steelmaking slag

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specific Embodiment approach 1

[0031] The invention provides a cooling method for hot converter steel-making slag. The specific solution is that the hot converter steel-making slag adopts an upper water spray system and a lower water spray system to spray water in layers, and adopts the method of intermittent water spray. cool down.

[0032] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0033] refer to figure 1 , figure 1 It is a water spraying device for hot converter steelmaking slag, and it is a water spraying device designed in conjunction with the cooling method described in the present invention.

[0034] The above-mentioned water spraying device includes a slag box 1, a lower water spray system is arranged on the upper edge of the box wall 2 at the corner of the slag box 1, and an upper water spray system is arranged above the slag box 1 so that the spray water can cover the entire slag box 1 .

[0035] The lower ...

specific Embodiment approach 2

[0078] In this embodiment, the slag chamber is rectangular, and the water nozzles are four, and the four water nozzles are respectively arranged on the upper edge near the four corners of the wall of the slag chamber; the nozzles on the upper spray pipe are 30 and set at the position directly above the slag box, refer to image 3 , since the slag dumping operation is to be carried out directly above the slag box, it is necessary to set the water spray pipe as a mobile type, that is, install guide rails on the slag box for the upper water spray system to slide, and move it to the side during the slag dumping operation. Then move to the middle to spray water.

[0079] The above-mentioned nozzles are divided into three groups and are respectively set in directions of 45, 90, and 135 degrees from the horizontal direction. Figure 4 , so that the cooling water can be evenly sprayed on the surface of the steel slag.

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Abstract

Disclosed are a sprinkler of thermal converter steelmaking slag and a cooling method, which belong to the technical field of metallurgical slag treatment and comprehensive utilization and aims at resolving the problems in an existing steelmaking slag sprinkler that water spray quantity is large and cooling is uneven. The sprinkler of thermal converter steelmaking slag of the invention includes a slag box, and a lower sprinkler system is arranged along the top of a box wall positioned on the corner of the slag box above which an upper sprinkler system is equipped and capable of enabling water spray to cover the whole slag box. Aiming to solving the problem in an existing cooling method that serious environmental pollution exists, the invention also provides the cooling method of the thermal converter steelmaking slag, which carries out a layered water spray of the upper sprinkler system and the lower sprinkler system on the thermal converter steelmaking slag and also employs a discontinuous water spray method to proceed cooling. The utilization of the sprinkler and cooling method of the invention is capable of saving a large amount of repair and maintenance costs, improving site work conditions, avoiding environmental pollution, saving precious water resources and reducing cooling cost. The invention is beneficial to be popularized and applied.

Description

technical field [0001] The invention relates to a device and method for cooling steelmaking slag in the iron and steel industry, belonging to the technical field of metallurgical slag treatment and comprehensive utilization. Background technique [0002] With the development of science and technology and the improvement of environmental protection requirements of the whole society, the steel industry is changing from a big polluter to a green steel industry with zero emissions, and the environmental protection treatment of converter steelmaking slag is one of the key points and difficulties in realizing the transformation . [0003] The cooling process of hot converter steelmaking slag is a necessary process for its environmental protection. At present, the cooling methods of hot converter steelmaking slag include cold disposal method, hot slag splashing method, hot braising method, water quenching method and so on. Among them, the cooling process of the slag box thermal p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21B3/06
CPCY02W30/50
Inventor 朱跃刚陈静胡博平程勇甘万贵董文楷
Owner 武汉钢铁有限公司
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