Coal ash casting paint

A casting coating and fly ash technology, which is applied in the field of casting coatings and fly ash casting coatings, can solve the problems of great harm, air pollution, surface pollution and fresh water resources, and achieve excellent performance

Inactive Publication Date: 2008-06-11
JINAN SHENGQUAN GROUP SHARE HLDG
0 Cites 42 Cited by

AI-Extracted Technical Summary

Problems solved by technology

At present, the main treatment method of fly ash is wet stacking, which is very harmful: one is to occupy land and waste w...
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Abstract

The invention belongs to the technical field of foundry, and relates to fly ash foundry coating. The invention provides foundry coating which is prepared through taking solid waste, namely the fly ash, which is produced after coal is burned as refractory aggregate, and the foundry coating is used for various nonferrous alloys and sand molds (cores) of iron castings. The foundry coating is prepared by materials according to the following weight proportion, the fly ash wt 20-100% and refractory powder wt 0-80% are taken as the refractory aggregate, and suspension concentrate, binder, thickener and carrier liquid are added to manufacture the foundry coating. The beneficial effects of the invention are that the invention provides the fly ash with an approach of waste secondary utilization, undisturbed fly ash is processed into refractory aggregate particle sizes which can be used for the foundry coating, the fly ash foundry coating which is manufactured can be applied to various different casts, performances such as coating high temperature crack resistance, coating surface strength, gas forming amount are good, and various requirements of the forging can be satisfied.

Application Domain

Technology Topic

Examples

  • Experimental program(8)

Example Embodiment

[0021] Example 1 Alcohol-based fly ash casting coating
[0022] Ingredients
[0023] Application scope: The coating can meet the requirements of sand casting production of various non-ferrous alloys and medium and small iron castings.

Example Embodiment

[0024] Example 2 Alcohol-based fly ash casting coating
[0025] Ingredients
[0026] Application range: The coating can meet the requirements of sand casting production of various non-ferrous alloys and large and medium-sized iron castings.

Example Embodiment

[0027] Example 3 Alcohol-based fly ash casting coating
[0028] Ingredients
[0029] Application range: The coating can meet the requirements of sand casting production of various non-ferrous alloys and large and medium-sized iron castings.
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PUM

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Description & Claims & Application Information

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