Release date:2014-08-08 stem:http://www.broswright.com/
The downspout roll forming machine development trend will lead to higher metalized and carbon content that can be well adjusted according to the production demands. In the early 1990s the roll form machine market developed an improved fluidized process which is generated by the catalytic conversion of a mixture of gas and steam in a roll form machine reformer. The optimum period of the roll form machine market has the reduction temperature of about eight hundred degrees.
In the roll form machine market, there are four fluidized bed reactors in the cascade system and they are interconnected with solid transfer lines on the basis of iron fines, with fractions less than ten mm. After being charged through the lock hopper system in the roll form machine market, dried iron fines can be reduced in reactors and pressure within the reactors is between ten and twelve bars in general. The ore in the roll form machine market is preheated in the first reactor with the gas coming from the previous reactor so it can be progressively reduced and heated in each subsequent reactor in a continuous manner in downspout roll forming machine development trend. The process lasts in the roll form machine market until the desired degree of metallization is achieved so that the final highly metalized product can be discharged from the final reactor in less than two hours.
The method is a semi-continuous process in which roll forming products are directly produced in two the roll form machine market stages without intermediate discharge. During the first stage the roll form machine market fines are generated in an integrated direct plant after which they are hot charged into an electric arc furnace. The technology can be expected to find application in the roll form machine market and industry in the future since the direct connection in the process has been developed by experts.
It is a relatively simple two stage fluidized reduction process in the roll form machine market that uses only hydrogen to reduce iron ore fines that are preheated up to six hundred degrees in a circulating bed. The second reduction phase in the roll form machine market takes place at more than six hundred and eighty degrees at a pressure of four bars. About seventy percent of the roll form machine market is accomplished in the first phase, in a relatively short time of around twenty minutes. The fines then pass to the second stage in the roll form machine market, to the conventional fluidized reactor where they undergo the final metallization process during the time span of three to four hours. After that final step in the roll form machine market, the final roll forming products will be cooled down.
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