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 Desulfuric acid washing tower

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Desulfuric acid washing tower

Spray tower waste gas purifier is also called purifier tower, desulfurization washing tower, water washing tower, washing tower, packing tower or pickling pool, etc. Vertical is generally round, horizontal is generally square. In the process of metabolism, the pollutants in the waste gas are degraded into simple inorganic substances and microbial cytoplasm by microorganisms attached to the filler in the reactor. The technology has the advantages of deodorization, treatment, simple operation, no secondary pollution and low operation cost.

Details:

Nowadays, a large number of factories have been set up, and the pollution in our country is also aggravating. Some factories discharge waste gas such as sulfur. The main pollution factors of these waste gas are industrial dust, odor and other pollutants. Although the pollution intensity is not large, the emission of waste gas is large, and the pollution components are complex and changeable, especially the odor components in the exhaust gas cause the surrounding environment and plant environment It is difficult to avoid the phenomenon of disturbing people. The composition of factory waste gas is complex and changeable, which can be divided into the following five categories:

1. Sulfur compounds: such as H2S, SO2, mercaptans, class;

2. Dust: such as carbon black

3. Chlorine containing compounds: such as amides, indoles

4. Hydrocarbons: such as alkanes, olefins, hydrocarbons, aromatic hydrocarbons;

5. Oxygen containing organic compounds, such as alcohols, phenols, aldehydes, ketones, organic acids, etc.

Our company recommends the use of desulfurization washing tower for the waste gas containing sulfur and other components in these plants. The waste gas purifier of spray tower is also called purifier tower, desulfurization washing tower, water washing tower, washing tower, packing tower or pickling pool, etc. Vertical is generally round, horizontal is generally square. In the process of metabolism, the pollutants in the waste gas are degraded into simple inorganic substances and microbial cytoplasm by microorganisms attached to the filler in the reactor. The technology has the advantages of deodorization, treatment, simple operation, no secondary pollution and low operation cost.

The complete set of equipment is mainly composed of fan, air filter, purifier, switch valve, condenser, separator, etc. Steam desorption was used. Through the switch of valves, the waste gas purification tower can realize the adsorption and desorption of solvent in the two purifiers. The desorbed solvent and water vapor enter the condenser for condensation, and the purified solvent can be obtained after liquid separation by the separator.

(1) Composite FRP liquid tank, liquid feeding pipe, waste gas spray tower. A filtrate device is added on the suction pipe, and the air inlet section is made of composite FRP.

(2) A row of Y-1 nylon nozzles, Paul ring filter material and plexiglass inspection hole are used in the secondary liquid spraying section.

(3) The water retaining section is provided with a swirl plate to reduce the water retaining effect. Waste gas purification tower.

(4) FRP hood.

(5) F4-72 FRP centrifugal fan

(6) Plastic pump or stainless steel centrifugal pump.

(7) Other accessories, such as plastic pipe fittings, valves, fixed supports, maintenance ladders and air inlet pipes, can be customized when ordering.

Deodorization principle: the principle is similar to that of biological filter. The acid mist spray purification tower uses inert materials such as polypropylene balls, ceramics, charcoal, plastic and so on, which can not provide nutrients. Scope of application: only the microorganisms which degrade some odorous substances adhere to the filler, and there will be no mixing in the biofilter. Advantages: the organic matter in the filter media is consumed simultaneously with the microbial community. Disadvantages: there are a large number of microorganisms in the tank, which can bear more pollution load than the biological filter. The inert filter material can not be replaced, resulting in small pressure loss. Moreover, the operating conditions are easy to control. It needs to continuously add nutrients, and the operation is complex, which limits its application. Small glass fiber reinforced plastic acid mist purification tower for the purification of acid waste gas, waste gas treatment equipment manufacturers, acid mist waste gas from the fan into the purification tower, through the secondary spray and packing layer, the waste gas and sodium hydroxide solution fully contact gas-liquid two-phase absorption neutralization reaction, acid mist waste gas after purification, and then through the dehydration treatment outside the room.

Sodium hydroxide NaOH solution or sulfuric acid solution is used as the absorption solution to purify acid or alkaline gas in the desulfurization tower. The acid or alkaline gas is sucked into the air inlet section by the centrifugal fan, and the neutralization liquid ejected from the nozzle is sprayed from the top to the bottom. The neutralization liquid ejected from the stage I contacts with the rising acid or alkaline gas in gas-liquid contact, absorbs the neutralization liquid and flows down the packing layer of the stage, so that the acid or basic gas from the bottom can be absorbed and neutralized by gas-liquid contact. The neutralization solution is then poured down the packing layer.

Once again, the gas-liquid contact absorption and neutralization effect is obtained, and at the same time, the wet drenching amount of the packing in the stage I is increased, thus increasing the gas-liquid ratio of the packing layer, because the acid or alkaline gas rises from the bottom to the top. Therefore, the concentration of acid or alkaline gas passing through the packing layer of grade I is high. In this way, the acid or basic gas with high concentration will zigzag through the gap between the fillers. When it rises upward, it will contact with the downward flowing neutralization liquid to absorb and neutralize. The concentration of acid or alkaline gas will drop sharply after passing through the packing layer. Then, it will be sprayed by a row of neutralizing solution. After neutralization with the absorption liquid, the concentration of acid or alkaline gas will drop again, and then pass through a packing layer and a packing layer Neutralize, neutralize, or spray to a predetermined concentration of acidic gas. It is discharged into the atmosphere through the cover.

Characteristics of desulfuric acid washing tower

1. The equipment adopts packed tower to purify the waste gas, which is suitable for continuous and intermittent exhaust gas treatment;

2. The process is simple, the management, operation and maintenance are quite convenient and concise. The waste gas purification equipment will not affect the production of the workshop;

3. It has a wide range of application, and can purify many pollutants at the same time;

4. It has low pressure drop, high operation flexibility and good mist removal performance (spiral mist eliminator);

5. The tower body can be made of FRP / PP / PVC and other materials according to the actual situation;

6. Low resistance Bauer ring is used as filler to remove odor and harmful substances in gas.

Shandong desulfuric acid washing tower   Jiangsu desulfuric acid washing tower  

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