Manganese processing rotary kiln with gas furnace supplying heat

A technology of rotary kiln and gas furnace, applied in the field of rotary kiln, can solve the problems of low thermal efficiency, small heat transfer area between materials and kiln body, etc., and achieve the effects of improving thermal efficiency, promoting material turning and relieving environmental protection pressure

Inactive Publication Date: 2015-11-11
JISHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The rotary kiln is generally cylindrical, so the heat transfer area between the material and the kiln body is very small, resulting in low thermal efficiency

Method used

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  • Manganese processing rotary kiln with gas furnace supplying heat
  • Manganese processing rotary kiln with gas furnace supplying heat

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Embodiment Construction

[0021] Now in conjunction with accompanying drawing, the present invention is described in further detail.

[0022] Such as figure 1 and figure 2 The manganese processing rotary kiln heated by the gas furnace shown in the figure includes the rotary kiln 1, which is arranged obliquely, and has a built-in burner 6, which is connected to the air control valve 19 and the gas control valve 20; the high end of the rotary kiln is equipped with an air lock 11 feeding, and connect the cyclone dust collector 8 through the wing segment 15 and the air pipe 17, the cyclone dust collector 8 is connected to the induced draft fan A, the exhaust port of the induced draft fan A is connected to the bag filter 10, and the bottom of the cyclone dust collector 8 is connected to the air locker, A dust collection bucket 23 is arranged below the air locker; fins 14 are arranged inside the fin section 15, a cover cylinder 16 is provided outside the fin section 15, and a sleeve-type air heat exchanger...

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PUM

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Abstract

The invention discloses a manganese processing rotary kiln with a gas furnace supplying heat. The rotary kiln is characterized in that the rotary kiln is arranged obliquely, and is internally provided with a burner; the burner is connected with an air control valve and a gas control valve; an air-lock valve is arranged at the high end of the rotary kiln for feeding, and is connected with a dust collector through a fin section and an air pipe; the fin section is externally provided with a cover cylinder; the air pipe is externally provided with an extension-type air heat exchanger; after the cover cylinder and a lower air exhaust port of the air heat exchanger are converged, one branch is connected with the gas control valve through an air blower and the gas furnace, and the other branch is connected with the air control valve through the air blower; and the rotary kiln is internally provided with raised fire-resistant plates. The raised fire-resistant plates increase a heat transfer area of the rotary kiln, and facilitate stirring a material and reaching the reaction temperature rapidly, so that the heat efficiency is improved; the fin section and the air heat exchanger achieve waste heat utilization, and facilitate burning; rapid cooling is performed on a pellet material by a rapid cooling liquid bath, and a large amount of water can be evaporated through a reaction, so that environment protection pressure due to production liquid expansion can be alleviated effectively; and the rotary kiln is particularly suitable for burning processing of manganese ore and has broad application prospects.

Description

technical field [0001] The invention relates to a rotary kiln, in particular to a manganese processing rotary kiln for heating by a gas furnace. Background technique [0002] Due to its strong adaptability, low operating cost and high reliability, the rotary kiln is one of the main preferred equipment for mineral batching, pelletizing, reaction and drying, especially suitable for the processing and burning of manganese ore. During the working process, the rotary kiln needs to consume fuel to maintain a suitable high temperature in the kiln. Therefore, the exhaust gas discharged from the rotary kiln contains a lot of heat energy and dust. It is necessary to purify the exhaust gas and recover the exhaust heat to achieve energy saving and emission reduction. [0003] The rotary kiln is generally cylindrical, so the heat transfer area between the material and the kiln body is very small, resulting in low thermal efficiency. Therefore, designing a rotary kiln for manganese proce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B7/10F27B7/12F27B7/16F27B7/20F27B7/34
Inventor 姚茂君银永忠向于心
Owner JISHOU UNIVERSITY
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