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Acid and alkali waste gas toxic substances purify exhaust equipment system

Acid and alkali waste gas toxic substances purify exhaust equipment system

Country/Region china
Company Shanghai Duoke Energy TechnologyCo., Ltd
Categories Gas Liquid Separator
Update 2017-07-06 16:43:44
ICP License Issued by the Chinese Ministry
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Product Detail
Acid and alkali waste gas toxic substances purify exhaust equipment system
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brand :DUOKE
model :P5000
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Harm of nitrogen and oxygen compound gas:

L, the toxic effect of N02 and NO are toxic substances, which are harmful to human beings and biology. The affinity of NO and hemoglobin is a few hundred times more than CO and hemoglobin, which poses a great threat to life, and the toxicity of N02 is more than 4-5 times of NO.

2, to plant the damaging effects of nitrogen oxides on plants have greater harm, according to introduce the relevant information, volume percentage concentration 2.5*10-6 nitrogen and oxides 7 hour will enable beans, tomatoes and other crops leaves become white, many plants will die because of injury. In addition, nitrogen oxides can fade the acetic acid fiber, cotton and rayon.

3, NO x is one of the main causes of acid fog and acid rain formation, NO x in the atmosphere after a series of transformation, the formation of nitrate, nitrite and nitrate, acid rain and fog, which constitutes a great harm to the nature.

4. Nitrogen oxide and hydrocarbon form photochemical smog.

The main treatment method of the waste gas of nitrogen and oxygen:

According to the different purification principle, there are three kinds of catalytic reduction method, absorption and absorption..

1, catalytic reduction, the main working principle is under the conditions of high temperature and the presence of a catalyst, the no in the exhaust gas * reduced to N2 and no pollution, due to the higher reaction temperature and catalyst, the equipment investment is big, the running cost is larger.

2, adsorption method, mainly uses absorption material, adsorbent adsorption gas in NO x, because of the adsorption capacity is small, so this method is only suitable for NO x concentration, small gas treatment.

3, absorption, water or acid, alkali, salt water solution to absorb nitrogen and oxygen in the exhaust gas, so that the exhaust gas to purify. The investment province of the equipment and the running cost is lower.

Working principle

Waste gas generating from the cover by the exhaust fan into the absorption tower, gas in the tower from the bottom up, while absorbing liquid by the circulation pump input into the absorbing tower by a downward jet, exhaust gas in the tower filler layer and absorption reverse contact of liquid and chemical reaction, most of the absorbed; by absorption after treatment of the exhaust gas through the gas-liquid separator and my company production of dry adsorption tower adsorption, such a high concentration of exhaust gas after absorption, adsorption treatment to, purification.

The absorption liquid and adsorbent of the nitrogen oxide waste gas will be prepared and supplied by the factory and shall be used by our factory..

Structure and features

DUOKE series of nitrogen oxide purifying device is composed of a waste gas sent students cover and an exhaust fan (including isolation, sound insulation device), absorption tower, absorption liquor circulating conveying system, a gas-liquid separator, a dry adsorption tower components, with each unit design is reasonable, compact structure, covers an area of small, simple operation and easy management is the best and most advanced technology, the most reasonable structure equipment efficiency of nitrogen oxide waste gas purification.


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