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Efficient coal injection machine

A coal injection machine, high-efficiency technology, applied in the direction of combustion method, block/powder supply/distribution, supply configuration, etc., can solve the problems of inability to raise the temperature of the smelting furnace and reduce the smelting efficiency, so as to reduce the grinding process and shorten the smelting Time, the effect of improving smelting efficiency

Pending Publication Date: 2021-07-30
JIANGSU NEW CHUNXING RESOURCE RECYCLING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-efficiency coal injection machine to solve the problem that the existing metal smelting can not effectively raise the temperature of the smelting furnace and reduce the smelting efficiency when coal powder is sprayed into the smelting furnace

Method used

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  • Efficient coal injection machine
  • Efficient coal injection machine
  • Efficient coal injection machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1: The coal injection machine includes: a motor 1, a reducer 2, a coupling 3, a base 11 and a coal mixer; the coal mixer is installed on the base 11, and there is a feed port at the upper end of the coal mixer; There is a reducer 2 at one end of the coal mixer, the input shaft of the reducer 2 is connected with the output shaft of the motor 1, and the output shaft of the reducer 2 is connected with the rotor shaft 12 of the coal mixer through a coupling 3.

[0022] The coal mixer includes: body 4, sealing ring 6, bearing 7, air inlet 8, coal injection outlet 10, rotor shaft 12, rotor 13 and fins 14; both ends of rotor 13 are connected to the body through bearing 7 At both ends of 4, a seal ring 6 is connected to the rotor shaft inside the bearing 7; in the middle of the body 4 there is a rotor cavity matched with the rotor 13, and the rotor is located in the rotor cavity; on the side wall of the body 4 there is The coal inlet corresponding to the feed port, t...

Embodiment 2

[0028] Example 2: figure 2 Among them, the coal injection machine also includes: a coal inlet valve 5; a coal inlet valve 5 is installed on the feed port at the upper end of the coal mixer. Others are the same as in Example 1.

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Abstract

The invention discloses an efficient coal injection machine, and belongs to the field of mechanical equipment for metal smelting. The coal injection machine comprises a motor, a speed reducer, a coupler, a machine base and a coal mixer. The coal mixer is installed on the machine base, and a feeding port is formed in the upper end of the coal mixer. The speed reducer is arranged at one end of the coal mixer, an input shaft of the speed reducer is connected with an output shaft of the motor, and an output shaft of the speed reducer is connected with a rotor shaft of the coal mixer through the coupler. The efficient coal injection machine has the advantages that pulverized coal is fully mixed with compressed air or oxygen-enriched air, combustion is more complete, the combustion rate of the pulverized coal and the furnace temperature are improved, the smelting time is shortened, the smelting efficiency is effectively improved, resources are saved, and the production cost is reduced. The pulverized coal particle size range is wide, other small-particle-size raw coal powder can be prevented from being ignited and exploded, and the safety performance is high. The requirement for moisture of the pulverized coal is not high, and the adaptability is high. A coal injection pipeline is not blocked. Under the condition that the air pressure and air quantity are not changed, the coal injection quantity can be adjusted by changing the rotating speed of a speed adjusting motor according to the furnace condition of a smelting furnace; and the working environment is improved due to totally-closed operation.

Description

technical field [0001] The invention belongs to the field of mechanical equipment for metal smelting, and in particular relates to a high-efficiency coal injection machine. Background technique [0002] When metal is smelted, pulverized coal must be added to the smelting furnace. The role of pulverized coal in the smelting furnace is to provide the heat required for the smelting process and act as a reducing agent for reducing metals. There are various coal feeding methods and coal injection devices, basically all of which can meet the production needs. [0003] The coal injection machine is one of the important equipment in the coal injection device. The existing coal injection device has high requirements on the particle size of the coal powder to be sprayed; therefore, the existing coal injection device has a complex structure and a large volume. The coal injection device grinds the pulverized coal that needs to be sprayed through a ball mill first, and then sieves the p...

Claims

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Application Information

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IPC IPC(8): F23K3/02C22B5/10
CPCC22B5/10F23K3/02F23K2203/201Y02E20/34
Inventor 杨春明
Owner JIANGSU NEW CHUNXING RESOURCE RECYCLING CO LTD
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