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的设计原理 Design principle of FRP purification tower

Acid mist purification tower is a purification product that can be widely used in electroplating and pickling workshops and other production processes. It is mainly used to purify acidic and harmful gases such as hydrochloric acid, sulfuric acid and nitrogen oxides produced in industrial production.

The purification process of this series of acid mist purification tower: the upper part of the tower body is sprayed with alkaline absorption liquid, and the acidic and harmful gas entering the tower body at the lower part flows countercurrently with the spray liquid and passes through the new high-efficiency low-resistance packing and perforation installed in the tower. Plate, full gas-liquid contact, good purification effect. Widely used in chemical, chemical preparation, pharmaceutical, laboratory, metallurgy, light industry, food, new energy, electroplating, pickling, petroleum, machinery, power and other industries.

This product consists of a circular tower body, which is connected in sections by flanges. The specific structure of the purification tower consists of an air inlet section, a pressure chamber, a bubble storage tank, a two-stage spray section, a swirl plate, and an air outlet cone cap. Its characteristics are: easy to make, easy to install and repair, high strength, small footprint. The acid mist exhaust gas is pressed into the inner tube of the purification tower by the fan to form a pressure chamber, and each pressure bubble tube is allocated to the pressure chamber. The exhaust gas enters the storage tank through the bubbling and neutralization liquid to generate bubbling, so that the gas and liquid are fully Contact to improve purification efficiency; then enter the spray layer, the spray form uses double-layer filler, two-stage spray, so that the gas and liquid are fully contacted to improve the purification efficiency. This tower can be equipped with a FRP centrifugal fan and a plastic or stainless steel pump. When the air volume is more than 10,000 cubic meters, the design requirements can be achieved by using two water pumps.

The original intention of designing the entrance of the disaster volume is to reduce the interference between the inlet airflow of the dust collector and the rotating airflow in the dust collector. However, according to the results of his research using transparent models, Steilman believes that this is not as good as a well-designed dust collector that is not a scroll inlet, because if the rotation of the dust inlet of the dust inlet is appropriate, The speed is slightly higher than the average inlet speed. The disturbance of the air flow at the inlet can be ignored. If the processing air volume is large and a large inlet is required, the scroll type has its advantages because it can avoid the overlap of the inlet and the trachea (Figure 3-8). ). Fujimoto, during his experiments with a hydrocyclone, concluded that it would be more economical to design and construct according to the inlet, and the performance would be more stable. The structure of the direct inlet and scroll inlet and its relationship with the performance of the dust collector are introduced below. The scroll can be regarded as the additional part of the dust collector cylinder. The length of this additional part is 1/4 of the circumference, and there are also half and full circumferences.


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