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Pelletizing drying technology and equipment for smelting alusil alloy

An aluminum-silicon alloy, drying process technology, applied in the direction of drying solid materials, progressive dryers, lighting and heating equipment, etc., can solve the problems of ineffective collection of slag, complex mechanical structure, and many materials for manufacturing, and achieve drying process. Reasonable temperature curve, good safety performance and high production efficiency

Inactive Publication Date: 2008-10-01
登封电厂集团铝合金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing pellet drying process and equipment for smelting aluminum-silicon alloy usually have high energy consumption, complex mechanical structure, many manufacturing materials and high operating costs
And it cannot effectively collect and process the debris in the drying process of the pellets
Especially for the temperature-flammability-efficiency problems in the drying process of high-volatile pellets, there is no reliable solution

Method used

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  • Pelletizing drying technology and equipment for smelting alusil alloy
  • Pelletizing drying technology and equipment for smelting alusil alloy
  • Pelletizing drying technology and equipment for smelting alusil alloy

Examples

Experimental program
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Effect test

Embodiment 1

[0026] As shown in Figure 1, the pellet drying process for smelting aluminum-silicon alloy of the present invention comprises the following steps:

[0027] (1) Lay the pellets to be dried on the mesh conveyor belt 4 of the belt dryer. The moisture content of the pellets is 8%-35%, and the weight of the pellets to be dried is 70-90g / piece;

[0028] (2) Pass the hot air flow passing through the laying pellet layer to multiple drying temperature sections in the belt dryer, wherein the inlet drying temperature section with a length of 2m or 1m or 3m or 4m is introduced from the bottom And the temperature of the hot air flow passing through the pellet layer is 82°C or 87°C or 92°C or 97°C or 102°C or 112°C or 117°C or 127°C or 132°C or 137°C or 138°C. The temperature of the hot air flowing through the pellet layer from bottom to top in the second drying temperature section adjacent to the drying temperature section with a length of 14m or 12m or 15m or 16m is 202°C or 207°C or 212...

Embodiment 2

[0032] As shown in Figure 1, the pellet drying process for smelting aluminum-silicon alloy of the present invention comprises the following steps:

[0033] (1) Lay the pellets to be dried on the mesh conveyor belt 4 of the belt dryer. The thickness of the paving should be less than 260mm, generally 150mm-250mm. The moisture content of the pellets is 10%-16%, and the weight of the pellets to be dried is 70-90g / piece;

[0034] (2) Pass the hot air flow passing through the laying pellet layer to multiple drying temperature sections in the belt dryer, wherein the inlet drying temperature section with a length of 2m or 1m or 3m or 4m is introduced from the bottom The temperature of the hot air flow passing through the pellet layer is 80°C or 85°C or 90°C or 95°C or 100°C or 110°C or 115°C or 125°C or 130°C or 135°C or 140°C. The temperature of the hot air flowing through the pellet layer from bottom to top in the second drying temperature section adjacent to the drying temperature...

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Abstract

The invention is a pellet drying process for aluminum-silicon alloy smelting, comprising: laying the pellets to be dried on the netlike conveyer belt of a belt drier, where the thickness of he layer of pellets is less than 260 mm; inputting hot air flow into plural drying temperature segments in the belt drier and letting the netlike conveyer belt pass through all the segments at 0.2-0.8m / min. And a pellet drying device comprises drying room, where one end of the drying room is equipped with a driving wheel and the other end is equipped with a driven wheel, an annular netlike conveyer belt is jacketed on the driving wheel and the driven wheel, the upper layer of the netlike conveyer belt passes through the middle of the case of the drying room, the lower part of the drying room is equipped with plural hot air inlets, the bottom of the drying room is equipped in parallel with plural particles collecting and discharging drawers. And the invention provides a low-energy consumption, high-producing efficiency pellet drying process and device, which can effectively collect and process the disintegrating slags in the pellet drying course.

Description

technical field [0001] The invention relates to a pellet drying process and equipment for smelting aluminum-silicon alloys. Background technique [0002] The existing pellet drying process and equipment for smelting aluminum-silicon alloy usually have high energy consumption, complex mechanical structure, many manufacturing materials and high operating costs. And can not effectively collect and handle the slag in the pellet drying process. Especially for the temperature-flammability-efficiency problems in the drying process of high-volatile pellets, there is no reliable solution. Contents of the invention [0003] The object of the present invention is to provide a pellet drying process and equipment for smelting aluminum-silicon alloys with low energy consumption, effective collection and treatment of slag in the pellet drying process, and high production efficiency. [0004] The pellet drying process for smelting aluminum-silicon alloys of the present invention compris...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B15/18F26B3/06
Inventor 张天清杨明生谢奇刘勇闫海洋王建军刘洪涛徐家君王锋
Owner 登封电厂集团铝合金有限公司
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