Method for collecting asphalt smog in vibration formation process of prebaked anode

A technology of vibration forming and pre-baked anodes, which is applied in material forming presses, presses, manufacturing tools, etc., can solve the problems of poor collection effect of bitumen smoke pollution sources, and achieve less exhaust air, less mixing, and energy efficiency. low consumption effect

Inactive Publication Date: 2003-05-21
GUIZHOU BRANCH CHINA ALUMINUM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to propose a vibratory molding of prebaked anodes with high gas collection efficiency, small equipment investment and simple operation in view of the problem of poor collection effect of bitumen smoke pollution sources during the vibration molding production process of prebaked anodes. Collection method of process pitch fumes

Method used

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  • Method for collecting asphalt smog in vibration formation process of prebaked anode
  • Method for collecting asphalt smog in vibration formation process of prebaked anode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The flat air nozzle with the same width as the forming mold bucket is placed above the mouth of the vibrating forming mold of the prebaked anode, the air velocity is 5m / s, and the jet is blown into the airflow by a blower at 10° below the horizontal. The formed air curtain passes through the upper opening of the crane hopper or the mobile feeder of the vibration forming machine, and sends the asphalt fumes escaping from the hopper to the suction port, and the polluted air captured by the suction port is sent by a suction fan through the suction hood. To the purification system, the absorption rate of asphalt fume reaches 94%. .

Embodiment 2

[0017] The flat air nozzle with the same width as the forming mold bucket is placed above the mouth of the prebaked anode’s vibration forming forming mold, the air velocity is 8m / s, and the ejection is 6° below the horizontal level, and it will be blown into the air by a blower. The formed air curtain passes through the upper opening of the crane hopper or the mobile feeder of the vibration forming machine, and sends the asphalt fumes escaping from the hopper to the suction port, and the polluted air captured by the suction port is sent by a suction fan through the suction hood. To the purification system, the absorption rate of asphalt fume reaches 95%.

Embodiment 3

[0019] The flat air nozzle with the same width as the forming mold bucket is placed above the mouth of the vibrating forming mold of the prebaked anode, the airflow speed is 10m / s, and the spray is 10° below the horizontal level, and then it will be blown into the airflow by a blower. The formed air curtain passes through the upper opening of the crane hopper or the mobile feeder of the vibration forming machine, and sends the asphalt fumes escaping from the hopper to the suction port, and the polluted air captured by the suction port is sent by a suction fan through the suction hood. To the purification system, the absorption rate of asphalt fume reaches 97%.

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Abstract

The method for collecting usphalt smog in the course of vibration forming process of precalcined anode is characterized by that a jet gas flow with plane distribution is blown into the upper portion of vibration forming die bucket for precalcined anode, and a gas curtain is formed over the die bucket, a gas cuaking cover is placed on another side to suck and collect the gas flow. Said jet gas flow can be jetted out from a flat jet nozzle whose width is identical to that of forming die bucket, its gas flow speed is 5-10 m/s, and the jet gas flow is 0-10 deg. below horizontal level, its one side is used for sucking gas and another side is used for blowing gas so as to form gas curtain so as to remove harmful substances.

Description

technical field [0001] The invention relates to a method for collecting asphalt fume during the vibration forming process of the prebaked anode, relating to a method for removing the generated asphalt fume during the vibration forming production process of the prebaked anode. Background technique [0002] In the vibration forming production process of prebaked anodes, there are three main sources of pollution. One is that when the crane hopper puts the kneading material into the silo of the molding machine, the working time is about 20-30 seconds shorter, and the asphalt fume emits a large amount, and it is an open operation, and the hot fume diffuses upwards, which is the main source of pollution; the other is the silo When the material is unloaded into the mold hopper, the working time is longer, about 80-100 seconds. Due to the barrier on the platform, the asphalt fume diffuses everywhere, stays in the factory for a long time, pollutes the most, and has the most impact on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/12C25C3/22
CPCB30B11/022
Inventor 王锡慧宁平吕子剑殷在飞姜小凯牛利民王学谦郭显峰常虎成李刚王金合张剑辉张瑜赵凿元刘瑞赵书庆
Owner GUIZHOU BRANCH CHINA ALUMINUM IND
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