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A waste gas dust removal system

A technology of dust removal system and waste gas, applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of PM2.5 exceeding the standard and air pollution, and achieve the effect of easy adsorption, improving purification efficiency and increasing viscosity.

Active Publication Date: 2021-04-06
宁波捷通环保工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the process of melting aluminum, the fuel combustion products and the internal impurities of the recycled aluminum after melting tend to generate a large amount of dust particles, which are discharged together with the exhaust gas
[0003] And if these dust particles are directly discharged into the atmosphere, they will cause serious pollution to the atmosphere.
Especially in autumn and winter, due to the relatively dry weather and less moisture in the air, the dust particles are dispersed, which also brings about the problem of excessive PM2.5

Method used

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  • A waste gas dust removal system
  • A waste gas dust removal system
  • A waste gas dust removal system

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] as attached figure 1 As shown, a waste gas dust removal system includes a cyclone dust collector 1, a bag dust collector 2, a swirl tower 3 and a fan 4, and the five are connected in sequence according to the above order, so that the waste gas passes through the cyclone dust collector 1 and the bag dust collector 2 in sequence. and the purification of the swirl tower 3, and finally discharged into the atmosphere under the action of the blower fan 4.

[0047]First, as attached figure 2 And attached image 3 As shown, the number of cyclone dust collectors 1 can be determined according to the actual amount of purified exhaust gas. The number selected here is two. Two cyclone dust collectors 1 include a spiral air duct 11 and a vertical The air outlet pipe 12 that is arranged straightly, wherein the air channel 11 communicates with the bottom of the air outlet pipe 12 . At the same time, the first air inlet 111 of the air duct 11 and the first air outlet 121 of the air ...

Embodiment 2

[0059] as attached Figure 9 to attach Figure 11 Shown, a kind of waste gas dedusting system, based on the basis of embodiment one, is also provided with activated carbon adsorber 5 between bag filter 2 and swirl tower 3, the top air inlet 51 and air outlet of activated carbon adsorber 5 The two 211 are connected, and the side air outlet four 52 of the activated carbon adsorber 5 is connected with the air inlet three 31 . And the center lines of the air inlet 4 51 and the air outlet 52 are perpendicular to each other.

[0060] Here, a number of activated carbon plates 53 are arranged in the activated carbon adsorber 5 parallel to the overall flow direction of the waste gas, and the adjacent activated carbon plates 53 are equally spaced, so that when the waste gas enters the activated carbon adsorber, it is prone to turbulent flow. In this way, the dust particles are easy to hit the activated carbon plate 53 and be adsorbed by the activated carbon plate 53, which can ensure ...

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Abstract

An exhaust gas dust removal system, comprising a cyclone dust collector, a bag dust collector, a swirl tower and a fan, the first air outlet of the cyclone dust collector communicates with the second air inlet of the bag dust collector, and the outlet of the bag dust collector The second air outlet is connected with the third air inlet of the swirl tower, and the third air outlet of the swirl tower is connected with the outside world through a fan. By adopting the above technical solution, the exhaust gas will first pass through the cyclone dust collector, so that the larger particles in the dust particles will sink to the bottom of the cyclone dust collector under the action of centrifugal force, thereby preliminarily purifying the exhaust gas. When the exhaust gas passes through the bag filter, it needs to be filtered by the bag, so that most of the dust particles will be blocked in the bag. And the final swirl tower can make the exhaust gas form a whirlwind, so that the centrifugal force can be used again to throw the dust particles to the wall of the swirl tower, which is conducive to the sinking of the dust particles.

Description

technical field [0001] The invention relates to the field of exhaust gas treatment, in particular to an exhaust gas dust removal system. Background technique [0002] The content of aluminum in the earth's crust is second only to oxygen and silicon, ranking third, and is the most abundant metal element in the earth's crust. With the rapid development of my country's three major industries of aviation, construction, and automobiles, the quality and quantity requirements for aluminum metal materials are also getting higher and higher. Therefore, this has also greatly promoted the rapid development of my country's aluminum industry, and the contradiction between supply and demand of primary aluminum resources has become increasingly prominent. Vigorously developing the recycling and utilization of secondary aluminum resources is the only way for the development of the aluminum industry. However, in the process of melting aluminum, fuel combustion products and internal impuriti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D50/00
CPCB01D50/10
Inventor 徐燮坚
Owner 宁波捷通环保工程有限公司