1、 Working principle

The V-shaped activated carbon filter is a gas-phase purification filtration device that uses multiple sets of filter plates arranged in a V-shape, and is commonly used in the front-end of industrial waste gas treatment such as painting. The exhaust gas containing VOCs and odor molecules enters the interior of the filter, and the V-shaped angled arrangement significantly increases the contact area between the gas and the carbon material, prolonging the gas residence time. By relying on the developed microporous structure inside activated carbon, organic volatile compounds and odor molecules in exhaust gas can be captured through physical adsorption. Some modified carbons can achieve chemical adsorption of acidic and alkaline gases. V-shaped structure optimizes airflow distribution, reduces overall operating resistance, and avoids airflow short circuits. The equipment is equipped with sealing strips to prevent direct leakage of unfiltered exhaust gas. The front end can be paired with a primary filtration component to intercept dust and prevent dust from blocking the activated carbon micropores. When the adsorption of activated carbon tends to saturation and the adsorption capacity decreases, it is necessary to replace the filter material as a whole. This device can be connected to the exhaust gas pipeline of the painting production line to perform pre adsorption treatment on the organic waste gas generated during the painting and drying processes, reducing the load on the back-end treatment equipment and achieving preliminary purification of gas-phase pollutants.

2、 Technical parameters

1. Filtration process: V-shaped array activated carbon adsorption process, used to treat organic waste gas and odorous gases;

2. Homework method: Online continuous filtration operation, which can be connected to the exhaust gas treatment system for continuous operation;

3. Equipment configuration: galvanized/stainless steel frame, V-shaped activated carbon filter assembly, sealing strip, pre protective filter layer, pressure differential detection interface;

4. Process conditions: working temperature ≤ 80 ℃, relative humidity ≤ 80%, rated air volume configured according to the number of filters, initial resistance 120-220Pa;

5. Filtering indicators: It has good adsorption effect on organic waste gases such as benzene and esters, sufficient gas contact, and no gas short circuit leakage;

6. Protection performance: The frame is corrosion-resistant and suitable for working conditions such as paint mist and organic volatile compounds in the painting workshop;

7. Applicable media: organic waste gas generated from painting, spraying, and drying, low concentration VOC, and odorous gases;

8. Supporting performance: It can be configured with differential pressure monitoring to determine the adsorption saturation state through changes in resistance, making it easy to maintain and replace.

3、 Application scope

The V-shaped activated carbon filter solves the problems of small filtration area, high air resistance, and limited processing air volume of ordinary flat activated carbon filters. With the V-shaped array structure, it achieves large processing air volume in a limited space and is a commonly used filtration equipment for pre-treatment of coating exhaust gas. Widely used in engineering machinery painting lines, rail transit component painting lines, tank container painting production lines, electrophoretic coating waste gas treatment, metal sheet metal painting, furniture painting processing projects. The process of painting, spraying, drying and curing will release a large amount of organic volatile compounds, which will increase the processing load if directly sent to the back-end incineration equipment. After being pre adsorbed by a V-shaped activated carbon filter, some organic waste gas and odors can be removed, reducing the processing pressure of the back-end equipment. Modular design of equipment, easy disassembly and maintenance, flexible adjustment of filter quantity according to exhaust gas volume, suitable for exhaust gas pipelines of large and medium-sized coating production lines. The front-end is equipped with a primary filter to block paint mist and dust, protect the activated carbon filter material, and extend its service life. The entire equipment has a small footprint and is easy to install and renovate, making it suitable for new production lines and old painting line waste gas renovation projects. Suitable for equipment manufacturing enterprises, tank truck processing plants, spray coating processing plants, and transportation parts manufacturers, it is a specialized filtration equipment for achieving organic gas adsorption and purification in coating waste gas treatment systems.