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Pouring ladle molten iron drainage trough and mold brick thereof

A technology of pouring ladles and drainage channels, which is applied in the direction of casting melt containers, manufacturing tools, metal processing equipment, etc., can solve problems affecting the quality of castings, and achieve the effects of reducing blisters, fewer steps, and simple formulas

Inactive Publication Date: 2009-07-15
YIXING CLEANING REFRACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, during the use of general casting ladles, it is easy to pour the slag from the molten iron level into the casting cavity of the casting
As a result, the casting has many sand holes, which affects the quality of the casting

Method used

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  • Pouring ladle molten iron drainage trough and mold brick thereof
  • Pouring ladle molten iron drainage trough and mold brick thereof
  • Pouring ladle molten iron drainage trough and mold brick thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Weigh each component according to the following weight percentages:

[0029] al 2 o 3 : 63%; SiC: 18%; C: 14%; Dextrin: 5%.

[0030] According to the following steps, the molded bricks of pouring molten iron drainage grooves are prepared:

[0031] (1) Mixing of raw materials: dry mix the solid particles in advance according to the proportion, pour half of the binder into the mix for 5 to 8 minutes, pour in the powder, and pour the remaining binder into the mixer, and mix for 5 to 10 minutes. Pour out in minutes, and the mud must be mixed evenly.

[0032] (2) Trapped material: Cover the mixed mud with a cloth at room temperature and place it for 12 hours before molding.

[0033] (3) Molding: put the mud into the mold, and use a tamping machine to pound it into shape. Stratification should be avoided during molding, and it should be pounded while feeding.

[0034] (4) Drying: It should be dried naturally under greenhouse conditions for 24 hours, and then enter the d...

Embodiment 2

[0039] Weigh each component according to the following weight percentages:

[0040] al 2 o 3 : 38%; SiC: 48%; C: 11.5%; Dextrin: 2.5%.

[0041] According to the following steps, the molded bricks of pouring molten iron drainage grooves are prepared:

[0042] (1) Mixing of raw materials: dry mix the solid particles in advance according to the proportion, pour 3 / 4 of the binder into the mix, and then wet mix for 5-8 minutes, pour in the powder, and pour the remaining 1 / 4 of the binder into the mixer, Knead for 5 to 10 minutes and pour out. The mud must be mixed evenly.

[0043] (2) Trapped material: Cover the mixed mud with a cloth at room temperature and leave it for 24 hours before molding.

[0044] (3) Molding: put the mud into the mold, and use a tamping machine to pound it into shape. Stratification should be avoided during molding, and it should be pounded while feeding.

[0045] (4) Drying: It should be dried naturally under greenhouse conditions for 48 hours, and t...

Embodiment 3

[0050] Weigh each component according to the following weight percentages:

[0051] al 2 o 3 : 47%; SiC: 40.5%; C: 2.5%; Dextrin: 10%.

[0052] According to the following steps, the molded bricks of pouring molten iron drainage grooves are prepared:

[0053] (1) Mixing of raw materials: Dry mix the solid particles in advance according to the proportion, pour 4 / 5 of the binder into the wet mix for 5-8 minutes, pour in the powder, and pour the remaining 1 / 5 of the binder into the mixer, Knead for 5 to 10 minutes and pour out. The mud must be mixed evenly.

[0054] (2) Trapped material: Cover the mixed mud with a cloth at room temperature and leave it for 36 hours before molding.

[0055] (3) Molding: put the mud into the mold, and use a tamping machine to pound it into shape. Stratification should be avoided during molding, and it should be pounded while feeding.

[0056] (4) Drying: It should be dried naturally under greenhouse conditions for 36 hours, and then enter the ...

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Abstract

The invention discloses a molten iron drainage tank of a casting ladle and a molding brick thereof, wherein the molten iron drainage tank of the casting ladle comprises the casting ladle, and a drainage tank is arranged in the casting ladle and formed by molding bricks; each molding brick comprises the following ingredients according percentages by weight of 38-63 percent of Al2O3, 18-48 percent of SiC, 2.5-14 percent of C and 2.5-10 percent of bonding agent. A method for preparing the molding bricks comprises five steps of compounding materials, ageing mixture, molding, drying and baking. The invention is additionally provided with the molten iron drainage tank in the casting ladle so that dregs are blocked and can not flow into a casting die cavity easily, thereby reducing blowholes and the like on a casting, and greatly improving the quality of the casting; and meanwhile, the molding bricks have simple prescription, high-temperature resistance and long service life; and the preparation method of the molding bricks has less procedures and simple operation and can be industrially produced easily.

Description

technical field [0001] The invention relates to a pouring molten iron drainage groove and a shaped brick thereof. Background technique [0002] At present, during the use of general casting ladles, it is easy to pour the slag from the molten iron level into the pouring cavity of the casting. As a result, the casting has many sand holes, which affects the quality of the casting. Contents of the invention [0003] Purpose of the invention: The purpose of the invention is to address the deficiencies in the prior art and provide a pouring ladle molten iron drainage trough so that the waste slag on the surface of the molten iron will not be poured into the pouring cavity. Another object of the present invention is to provide the above-mentioned shaped bricks for preparing drainage channels. Another object of the present invention is to provide a method for preparing the above shaped brick. [0004] Technical solution: In order to realize the above-mentioned purpose of the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D41/00C04B35/66C04B35/10C04B35/565C04B35/52C04B35/622
Inventor 殷勤君
Owner YIXING CLEANING REFRACTORY
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