How to deal with waste aluminum ash correctly

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Many by-products will be produced during the melting and molding of aluminum. The aluminum content of these by-products accounts for about 1~ 12% of the total loss in aluminum production and use, which is what we often call waste aluminum ash and waste aluminum slag. In the past, people often thought that it was just a kind of waste ash and waste residue that was discarded at will without any use, which not only caused a waste of resources, but also brought environmental problems. So how to recycle these resources? The aluminum ash separator developed by Henan Exploration Machinery Manufacturing Co., Ltd., an earlier professional manufacturer in China, completely solved this phenomenon, and the waste aluminum ash and waste aluminum slag that people looked down upon have now become treasures!

Henan Exploration Company devotes itself to the research of industrial smelting waste residue treatment project, and develops aluminum ash treatment technology and equipment. The research and development of aluminum ash separator began with 1998, and it took two years to succeed in 2000. The aluminum ash separator for prospecting in Henan Province has been reformed for more than 10 years and its products have been updated several times. Now, a mature aluminum ash treatment system has been formed. The aluminum ash treated by the aluminum ash separator and the non-separated cold aluminum ash can be crushed, screened and melted. Until it is cast into a finished aluminum ingot, the aluminum ash is treated quite cleanly. Such cutting-edge technology and technology cannot be imitated by those small factories.

First, the scope of application of aluminum ash separator:

It is mainly used for recovering metals from smelting residues of nonferrous metals such as aluminum ash, aluminum slag, copper ash, copper slag, zinc ash and zinc slag.

Second, the hot ash treatment:

Hot aluminum ash separator or aluminum ash frying machine can be used to recover waste aluminum ash and aluminum slag.

1. The daily treatment capacity is less than 1 ton, which is suitable for the workshop near the furnace and has no special requirements for environmental protection.

2. The daily treatment capacity of aluminum ash is 1-5 tons, and the dust removal effect is average. Aluminum ash can be treated centrally near the furnace or in a workshop not too far away.

3. The daily processing of aluminum ash is 5-40 tons. The forklift is fully enclosed, equipped with a cold ash mixing system and a rapid cooling mechanism for rapid cooling, screening and then returning to the furnace. This treatment is relatively clean and thorough, and the residual aluminum content is 2%-5%. Equipped with bag dust removal, excluding dust removal. Suitable for centralized treatment in large aluminum plants.

Third, cold ash treatment:

The cold aluminum ash separator can be used to recover waste aluminum ash, aluminum slag, copper ash and zinc ash.

The cold ash treatment process is mature, and the cold ash treatment system adopts crushing-screening-ball milling-screening (separating aluminum particles with a particle size of 2~3mm)-reheating (when the product requires low iron, iron should be removed first and then put into the furnace), which can produce excellent results. Because the aluminum ash treatment method is a dry system, it produces a lot of dust. Therefore, the whole system needs to be sealed, equipped with dust cover and cyclone to ensure the normal working environment. It can also be connected with hot ash treatment to improve efficiency.

The treated aluminum particles can be directly used for smelting. Aluminum ash can be used as raw material to produce aluminum chloride series water purification agents, so that waste aluminum can be recycled and used to the best of its ability. Or use the treated aluminum ash as binder instead of cryolite as raw material for electrolytic aluminum.

Throughput varies depending on the configured machine.

Finding an economical and effective way to use and treat aluminum ash can not only improve the economic benefits of aluminum industry, but also have an important impact on the sustainable development of economy and society while realizing the effective recycling of resources. When choosing an aluminum ash separator, you must choose a professional manufacturer.