Complete equipment for complete regeneration of used clay sand
A completely regenerated, complete set of equipment technology, applied in the direction of casting molding equipment, metal processing equipment, cleaning/processing machinery of casting mold materials, etc., can solve the problem of poor adaptability of clay completely regenerated sand casting process, no complete set of clay used sand equipment, Incompletely regenerated sand and other problems, to achieve the effect of improving casting performance, reducing emissions, and reducing waste sand emissions
Active Publication Date: 2015-04-08
SHANDONG JIANZHU UNIV
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Problems solved by technology
Purely mechanical or air regeneration can only obtain incomplete regenerated sand
At present, there are very few equipments for the complete regeneration of old clay sand, and there is no complete set of equipment suitable for the complete regeneration of old clay sand, and the completely regenerated clay sand obtained by the regeneration device of the prior art has high acid consumption and complete clay regeneration. Problems such as poor adaptability of the foundry process of regenerated sand
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[0034] The purpose of completely regenerating the old clay sand is to make the reclaimed clay sand meet the requirements of organic binder core-making sand, such as particle size distribution, acid consumption value, residual water content, mud content, angle coefficient, etc.
[0035] The embodiment of the present invention provides a complete set of equipment for the complete regeneration of old clay sand, which sequentially includes a high-temperature embrittlement device for high-temperature roasted old sand, an embrittled old sand cooling device for cooling high-temperature embrittled old sand, and an embrittlement used sand cooling device for cooling after cooling Multi-row grinding wheel regeneration machine for recycling old sand, micropowder separation device for separating fine powder in reclaimed sand, reclaimed sand modification device for improving reclaimed sand performance, and three-pass drum for drying modified sand, high temperature embrittlement Equipment, em...
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The invention discloses complete equipment for complete regeneration of used clay sand. The complete equipment comprises a high-temperature embrittling device for roasting the used sand at a high temperature, an embrittled used sand cooling device for cooling the high-temperature embrittled used sand, a plurality of rows of grinding wheel regeneration machines for mechanical regeneration of the cooled used sand, a micro powder separating unit for separating micro powder in the regenerated sand, a regenerated sand modifying device for reducing acid consumption of the regenerated sand, and a three-return-stroke rotary drum for drying the modified regenerated sand. The complete equipment has the beneficial effects that the used clay sand can be completely regenerated, and the regenerated sand can be used for core making of various organic binding agents, so that environment pollution caused by discharge of the used sand is alleviated, the environment and natural resources are protected.
Description
technical field [0001] The invention relates to the technical field of liquid metal forming, in particular to a complete set of equipment for completely regenerating old clay sand. Background technique [0002] Machinery manufacturing industry is the pillar industry of our country, and casting is the basic industry of machinery manufacturing industry. The molds used in foundry production are mainly sand molds, ceramic molds, metal molds, plaster molds, etc. Among them, the castings produced by sand casting account for more than 90% of the total output of castings. Sand casting can be divided into clay sand casting, resin sand casting and water glass sand casting according to the different binders used. The clay sand production process has become the most commonly used casting production process in the foundry field because of its cheap and easy-to-obtain raw materials, easy handling, strong reusability, strong ability to adapt to molding methods, and convenient storage and ...
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IPC IPC(8): B22C5/00B22C5/04B22C5/08
Inventor孙清洲张普庆王健韩勇
OwnerSHANDONG JIANZHU UNIV