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Melt granulation apparatus

A technology of melt granulation and nozzle, which is applied in the direction of liquid separation into beads and granulation, which can solve problems such as equipment, property, personal hazards, impact on the living environment, violent explosions, etc.

Inactive Publication Date: 2015-07-08
TONGLING NON FERROUS METAL GROUP CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the existing problem of this kind of granulation device during granulation is that water is involved in the molten slag or water is located under the continuous slag layer. At this time, a closed system will be formed. With the heat of water and slag Exchange, the pressure in the system will rise sharply, resulting in a violent explosion, that is to say, the existing granulation device is prone to explosion, which will cause certain harm to the surrounding equipment, property and people. The explosion noise also affected the surrounding living environment

Method used

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  • Melt granulation apparatus

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Embodiment Construction

[0007] A melt granulation device, comprising a nozzle 10, a plurality of nozzles 11 are arranged at intervals on the nozzle 10, among the nozzles 11, some of the nozzles 11 communicate with the water source pipeline 30, and some of the nozzles 11 communicate with the steam pipeline 40, The outlets of the nozzles 11 point toward the fall-off path of the melt stream. When the nozzle 11 of this part is connected with a medium-pressure steam pipeline with a pressure of 2.5Mpa, the steam can fully impact and disperse the melt falling down from the chute 50 in advance, and implement uniform granulation, thereby obviously avoiding the pressure in the water. The explosion phenomenon and the resulting noise during the quenching and granulation process also improve the granulation quality, and the equipment, property and personal safety of the factory area are guaranteed to a certain extent.

[0008] In the optimum solution, the spray head 10 includes a base plate, on which short tubes ...

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Abstract

The invention provides a melt granulation apparatus, which can effectively avoid the blast condition generated due to water quenching granulation. For realizing the above purpose, the melt granulation apparatus comprises a nozzle, and is characterized in that several nozzles are arranged on the nozzle at intervals, in the nozzle, a part of the nozzle can be communicated to a water source pipeline, a part of the nozzle can be communicated to a steam pipeline, and the outlet of the nozzle points to a falling path of a melt flow. Through verification, the part of the nozzle is connected to the middle pressure steam pipeline with pressure being as 2.5Mpa, steam cab fully impact the melt for dispersing, so that uniform granulation can be realized. According to the invention, blast phenomenon generated in a water quenching granulation process and accordingly generated noise, granulation quality can be simultaneously increased.

Description

technical field [0001] The invention relates to a melt granulation device, which is mainly used in the smelting industry. Background technique [0002] In the process of pyrometallurgy, the melt can be granulated by high-pressure water. That is, a fixed nozzle is installed under the chute for the melt to pass through. The high-temperature melt flows out of the chute and falls on the upper surface of the high-speed water flow ejected from the nozzle. The high-speed water flow ejected from the nozzle must wrap the melt flow in width. The high-temperature liquid melt flow is dispersed and crushed by the high-speed water flow in the process of flowing out and falling. In addition, the high-temperature liquid melt flow encounters water and is rapidly cooled and shrinks to cause stress concentration, crushing, and pulverization. At the same time, heat exchange is carried out to make the liquid melt The flow is granulated in the water curtain and then falls into the pool for furth...

Claims

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Application Information

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IPC IPC(8): B01J2/06
CPCB01J2/06
Inventor 柴满林孙来胜
Owner TONGLING NON FERROUS METAL GROUP CORP
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