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Home > News > Content
Positive Pressure Pipe Fittings Absorption Requirements
Jun 08, 2018

The pneumatic conveying system of positive pressure pipe fittings is divided into low-pressure dilute phase pneumatic conveying and high-pressure dense phase pneumatic conveying. When it is used, it belongs to the principle of using air pneumatics, and the energy of the air flow will be along the sealed pipeline inside. The flow direction of the powder and granular materials is a specific application of fluidization technology.

  

Positive pressure pipe fittings to a certain extent is mainly the use of its pneumatic conveying method to transport powdered materials, and is widely used in electric power, metallurgy, petrochemical, plastics, food, building materials and hydropower industries. The pipelines can be arranged according to the specific terrain to achieve centralized, decentralized, large-height, and long-distance transmission. The transportation process is not affected by the weather conditions, and it can ensure that the materials are free of moisture and conducive to production and environmental protection.

  

During the operation of positive pressure pipe fittings, the conveying system is mainly based on the principle of recording pneumatic pressure difference, jet flow technology and fluidization technology. In operation, it fully absorbs the theory of modern pneumatic conveying of two-phase flow, after many years of The operation practice is summarized, and the special equipment developed for the characteristics of a large number of medium and short distance continuous conveying in the powder pneumatic conveying technology is applied to the ash removal system, cement, metallurgy, chemical industry, and wharf systems in thermal power plants.

  

In the pneumatic conveying system, the transfer pump consists of a diffusion chamber, a mixing chamber, an active air duct, and an actuator. Low-pressure air passes through the air intake duct, mixing chamber, and into the diffusion chamber. The high-speed air stream vaporizes the material around the nozzle through the mixing chamber. The air flowing out of the nozzle into the diffusion chamber forms a partial negative pressure in the nozzle and the diffusion chamber. The gasification material is sucked into the feeding tube and lifted by the high-speed air flow to the discharge point.

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