A Multi-fuel Ring Beam Lime Kiln

Abstract

The invention relates to a multi-fuel ring beam type lime kiln, comprising a kiln shell and an internal cylinder located in the kiln shell. An annular calcining zone is formed between the kiln shell and the internal cylinder; an upper combustion beam and a lower combustion beam are arranged in the annular calcining zone and are staggerly distributed at an upper row and a lower row; the upper combustion beam and the lower combustion beam respectively extend from the sidewall of the kiln shell, through the annular calcining zone and into the internal cylinder; the parts of the upper combustion beam and the lower combustion beam extending into the annular calcining zone are respectively provided with a plurality of burners. The multi-fuel ring beam type lime kiln provided by the invention has the advantages of high calcining efficiency, uniform calcining and capacity of effectively improving daily output of a single kiln, thereby overcoming the problems of low calcining efficiency and low daily output of conventional lime kilns using low-heating-value gas as a fuel.

Description

【Technical field】 [0001] The invention relates to a lime kiln, in particular to a multi-fuel ring beam type lime kiln, which belongs to the technical field of calcining equipment. 【Background technique】 [0002] Iron and steel industry, calcium carbide industry, alumina industry, refractory materials and other industries are all major lime consumers. In the past two years, these industries are all high-speed developing industries, and the annual output basically increases at a rate of more than 20%, but the main material and auxiliary material they need-lime does not increase correspondingly, so the lime production is caused. Tension, thus stimulating a large number of social soil lime kilns, and the blooming of soil-fired kilns has caused serious pollution to the environment. Under such circumstances, the national and local governments have successively issued a series of policies and regulations to regulate earth-fired kilns, but it is difficult to achieve the expected re...

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Problems solved by technology

[0005] In order to solve the above problems, the object of the present invention is to provide a multi-fuel ring-beam lime kiln with high calcination efficiency, uniform calcination, which can effectively increase the daily output of a single kiln, so as to solve the problem that the existing lime kiln uses gas with low calorific value as fuel. The problem of low calcining efficiency and low daily output

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