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Chemical packing manufacturers introduce the product characteristics of Pall ring packing

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Chemical packing manufacturers introduce the product characteristics of Pall ring packing

2020-07-16 08:01:58
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Product features of Pall ring

The Pall ring packing is an open ring packing and ring with equal height and diameter. Each hole has 5 tongues, and each is bent at the tongue to point to the ring. The upper and lower holes are staggered in opposite positions, and they are generally open. The ring wall with a total area of approximately 30 is correct. There is a large gap rate, low pressure drop and mass transfer unit height, high prompt, sufficient gas-liquid contact, small proportion, high mass transfer efficiency, and so on. This structure improves the distribution of vapor and liquid, makes full use of the inner surface of the ring, and makes the gas and liquid of the packed tower free of charge.


The shape and structure of the Pall ring can be divided into m-shaped internal ribs, called plastic ring (m); internal ribs and glyphs, called plastic ring. The Er ring has holes in the two layers of the Raxi ring, and the holes in the upper and lower layers are staggered. The hole cutting blade is connected to the maternal side window of the ring wall, the other side is bent to the ring, the ring near the center, and the upper and lower layers of the blade are bent in opposite directions. Since the surface and space of the inner and outer rings are open and communicated, the liquid and gas are evenly distributed. Therefore, the resistance, flux and mass transfer efficiency are significantly higher than the Raschig ring.

Chemical packing, Pall ring packing, Raschig ring packing

The structure of the Pall ring improves the distribution of vapor and liquid, and makes full use of the inner surface of the ring, so that the gas and liquid of the packed tower can be free from the form. It is to open two-layer rectangular small windows on the ordinary Erring packing Rasig ring wall. The small windows are placed in the center of the ring. The upper and lower two-layer windows are staggered and the resistance is reduced. Therefore, the gas can increase the speed, the gas-liquid distribution is uniform, and the pressure Drop, the capacity is 5% than the Lassi ring. Erring packing is a new type of packing. It has some major shortcomings improved and the emergence of Raschig rings. Eight small rectangular windows are opened in the common Raschig ring wall, and the small window blades and tower internals are in the center of the photo. Circle, the upper and lower surface window positions overlap each other.


The main difference between it and the Raschig ring packing is that rectangular holes are opened on the wall and the holes and windows are bent into a circle, because the ring wall holes significantly improve the gas and liquid distribution performance, especially the internal Raschig ring area can make full use of the ring .


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