Dedusting, desulfurization and denitrification integrated treatment process for industrial smoke

A technology for industrial flue gas, desulfurization and denitrification, which is applied in the direction of air quality improvement, the use of liquid separating agents, chemical instruments and methods, etc., can solve the problems of wasting water resources, high industrial energy consumption, complex processes, etc., and reduce industrial energy consumption. , The effect of low investment cost and simple operation process

Active Publication Date: 2013-09-11
SHANDONG LANBO ENVIRONMENTAL PROTECTION EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above method has defects such as high industrial energy consumption, waste of a large amount of water resources, large area occupation, large investment and complicated process.

Method used

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  • Dedusting, desulfurization and denitrification integrated treatment process for industrial smoke

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Effect test

Embodiment 1

[0036]An integrated dust removal, desulfurization and denitrification treatment process for controlling industrial flue gas, which includes the following steps: industrial flue gas enters the cooling pipe from the chimney for refrigeration treatment, so that the temperature of the flue gas is controlled at 25°C, and then enters the biological reaction chamber, and the biological reaction The upper nozzle hole of the device sprays out the composite bacterial liquid, and performs dust removal, desulfurization and denitrification purification treatment on the industrial flue gas. The treatment time is 3 days, and the purified industrial flue gas is finally discharged through the gas outlet;

[0037] The composite bacteria solution is mixed with the following raw material bacteria in weight fractions: 30% Thiobacillus denitrificans, 20% Pseudomonas aeruginosa, 15% Acidophilus Thiobacillus ferrooxidans, 15% Bacillus subtilis, waxy Bacillus 10%, Alcaligenes faecalis 10%.

[0038] Se...

Embodiment 2

[0041] An integrated dust removal, desulfurization and denitrification treatment process for controlling industrial flue gas, which includes the following steps: industrial flue gas enters the cooling pipe from the chimney for refrigeration treatment, so that the temperature of the flue gas is controlled at 30°C, and then enters the biological reaction chamber, and the biological reaction The upper nozzle hole of the device sprays out the composite bacterial liquid, and performs dust removal, desulfurization and denitrification purification treatment on the industrial flue gas. The treatment time is 3 days, and the purified industrial flue gas is finally discharged through the gas outlet;

[0042] The composite bacteria solution is mixed with the following raw material bacteria in weight fractions: 30% Thiobacillus denitrificans, 20% Pseudomonas aeruginosa, 15% Acidophilus Thiobacillus ferrooxidans, 15% Bacillus subtilis, waxy Bacillus 10%, Alcaligenes faecalis 10%.

[0043] T...

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Abstract

The invention discloses a dedusting, desulfurization and denitrification integrated treatment process for industrial smoke. The treatment process comprises the following steps of: introducing the industrial smoke into a cooling pipe from a chimney to perform refrigeration treatment to ensure that the temperature of the smoke is controlled to be between 25 and 30 DEG C; introducing the industrial smoke into a biological reaction chamber; spraying composite bacteria solutions from spraying holes formed in the upper part of the biological reaction chamber; performing dedusting, desulfurization, denitrification and purification on the industrial smoke; purifying the industrial smoke subjected to the treatment; finally, exhausting the industrial smoke by virtue of a gas outlet. The dedusting, desulfurization and denitrification integrated treatment process is carried out, so that the industrial energy consumption is reduced, and the process is environmentally-friendly, low in investment cost and simple in operation procedures.

Description

[0001] technical field [0002] The invention belongs to the technical field of environmental protection, and in particular relates to an integrated treatment process for dust removal, desulfurization and denitrification of industrial flue gas. [0003] Background technique [0004] Industrial flue gas is a mixture of gas and smoke, which is one of the main causes of air pollution. The composition of the flue gas is very complex. The gas includes sulfides, carbon compounds, and nitrogen oxides. The smoke includes fuel ash, coal particles, oil droplets, and high-temperature cracking products. Therefore, the pollution of flue gas to the environment is the compound pollution of various poisons. The harmfulness of smoke to the human body is related to the size of the particles. The most harmful to the human body is the floating dust with a diameter of less than 10 microns, especially the 1-2.5 micron floating dust is the most harmful. Air pollution from smoke and dust is clos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/84B01D53/60B01D47/06
CPCY02A50/20
Inventor 曹立峰
Owner SHANDONG LANBO ENVIRONMENTAL PROTECTION EQUIP CO LTD
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