Pellet roasting device

A roasting device and roasting technology, which are applied in the field of pellet production, can solve the problems of large heat dissipation of the edge effect cup, affect the pellet roasting test, and uneven combustion process, so as to improve combustion adequacy, reduce edge effect, and solve the problem of The effect of uneven flame

Active Publication Date: 2013-11-27
SHOUGANG CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the problems of uneven combustion process, edge effect and large heat dissipation of the cup body in the prior art, which affect the pellet roasting test, and provide a kind of pellet roasting cup with uniform combustion, good heat preservation performance and stable and uniform airflow. Pellet roasting device

Method used

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Embodiment Construction

[0021] combine figure 1 , figure 2 , image 3 and Figure 4 As shown, a kind of pellet roasting device provided by the present invention includes: upper combustion chamber 1, lower combustion chamber 2, roasting cup 3 and flange 4, upper combustion chamber 1, lower combustion chamber 2 and roasting cup 3 from top to bottom The bottom is connected successively, and the whole is cylindrical. Upper combustion chamber 1 and lower combustion chamber 2 are connected by flange 4 sealing. The outer walls of the upper combustion chamber 1, the lower combustion chamber 2 and the roasting cup 3 are all made of steel shell 5, refractory asbestos 6, outer refractory brick 7 and inner refractory brick 8, and the steel shell 5, refractory asbestos 6, outer refractory brick 7 and The inner refractory bricks 8 are sequentially connected from outside to inside, and are used to reduce heat dissipation from the upper combustion chamber 1, the lower combustion chamber 2 and the roasting cup 3...

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Abstract

The invention discloses a pellet roasting device, which comprises an upper combustion chamber, a lower combustion chamber and a roasting beaker, wherein the upper combustion chamber, the lower combustion chamber and the roasting cup are connected sequentially from top to bottom and are in a cylindrical shape integrally. According to the provided pellet roasting device, a structure is improved, so that the combustion sufficiency of gas is improved, the radiating and edge effects of the roasting beaker are reduced, energy is saved, the problem of large quality difference of pellets on upper side, lower side, edges and central position of the roasting beaker caused by non-uniform flame and large edge effect during roasting tests of the pellets is solved, and the stable and effective condition is created for the roasting tests and study of the pellets.

Description

technical field [0001] The invention belongs to the technical field of pellet production, and in particular relates to a pellet roasting device. Background technique [0002] Pellets have the characteristics of high strength, uniform particle size, high grade, and low content of harmful elements, and are one of the important components of blast furnace charge. [0003] The roasting process is one of the most complicated and important processes in the pellet production process. Green balls have low strength and poor thermal stability, so they must be roasted and consolidated to make them have sufficient mechanical strength and thermal stability to meet the requirements of transportation and blast furnace smelting. The pellet roasting process includes several processes such as drying, preheating, roasting, soaking, and cooling. The changes in parameters such as temperature, time, and wind speed in each process will affect the production and quality of pellets. Therefore, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22B1/02
Inventor 青格勒王冬青马泽军田筠清郭和宝陈秀昆
Owner SHOUGANG CORPORATION
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