Closed-wind belt material-type alumina crust block crushing production line device

Abstract

The invention relates to a closed-wind belt material-type alumina crust block crushing production line device which comprises a first electric butterfly valve, a crusher, a first iron remover, a conveyer, a raw material bin, a first gate valve, a vibratory feeder, a second electric butterfly valve, a pulverizer, a first pressure transmitter, a temperature transmitter, a coarse powder separator, a second pressure transmitter, a cyclone dust collector, a third pressure transmitter, a first electric adjusting air door, a circulating fan, a hand-operated butterfly valve, a fourth pressure transmitter, a bag type dust collector, a second electric adjusting air door, an exhaust fan, a second iron remover, a third iron remover, a finished product bin, a second gate valve and a fifth pressure transmitter. The invention realizes a material feeding particle size of not more than 300mm and a material discharge particle size of not more than 1 mm by one-stage crushing processing of the alumina crust blocks in the production line; the crushing production line device of the invention has less crushing equipment and conveying equipment by 2-3 than current multi-stage crushing devices, but reaches the material discharge particle size that is reached by 2 to 3-stage crushing in the prior art, which improves the production efficiency.

Description

technical field [0001] The invention relates to a crushing production line device, in particular to a closed wind belt material type alumina crust block crushing production line device. Background technique [0002] In recent years, the electrolytic aluminum industry has developed rapidly. Statistics show that since 2001, the domestic demand for electrolytic aluminum has grown at a rate of 1 million tons per year; by the end of 2003, the production capacity of electrolytic aluminum had reached 8.34 million tons; by 2008, electrolytic aluminum The production capacity has reached 12.5 million tons. With the rapid growth of electrolytic aluminum production in my country, the amount of alumina crusts left over by electrolytic aluminum enterprises in production has also increased. However, the domestic research and development status of the crushing process of alumina crust blocks is limited to the rectification and improvement of a single device. The overall equipment and the ...

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Problems solved by technology

[0007] The purpose of the present invention is to overcome the defects in the existing processing technology of alumina crust blocks, and provide a new structure of closed wind belt material type alumina crust block crushing production line device, the technical problem to be solved is Make it through the first-stage crushing process of the production line, so that the input particle size is ≤300mm, and the output particle size is ≤1mm. Compared with the existing multi-stage crushing, 2-3 crushing equipment and conveying equipment are used less. However, it has reached the standard discharge particle size that can only be achieved through 2 to 3 stages of crushing in the past, which improves production efficiency, reduces consumption, and enables timely recycling of alumina crusts, and controls the automatic operation of the production line through the electrical control system. At the same time, the purification of dust in the crushing process is achieved, which is very suitable for practical use.

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