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Principle and Application of Positive Pressure Dense Phase Pneumatic Conveying System
Release time:
2024-08-15
Principle and Application of Positive Pressure Dense Phase Pneumatic Conveying System
1. principle
Positive pressure dense phase pneumatic conveying systems usually use compressed air (or nitrogen) to convey materials. In the sending device, highThe pressurized gas is fully mixed with the material to form a gas-solid two-phase flow. In this process, the material particles are surrounded by air flow, forming a dune state, fluidized or agglomerated state.Since the pipeline pressure is higher than the atmospheric pressure, the matterThe material is pushed forward in the pipeline at a relatively low speed by the gas.GasThe driving force of the body flow pushes the material from the conveying source to the target location.Can achieve multi-point transmission, better optimize the production process.
2. features
- Continuous conveying: The system can realize continuous conveying of materials and improve production efficiency;
- Small damage: the mixing ratio of powder gas is large, the conveying speed is low, and the damage to the material particles is small;
- Powder contains less gas, easy to achieve powder gas separation;
- Flexible and reliable: flexible pipeline configuration, can be adjusted according to actual production needs; at the same time, the system has fewer moving parts, convenient maintenance, and easy to realize automatic control;
- Environmental protection and energy saving: the conveying process is completely closed, less dust flying, in line with environmental protection requirements; at the same time, the system consumes less gas, which helps to save energy;
- Long distance transportation: due to high working pressure,And usually equipped with gas supplement device,The system can realize long-distance material transportation and meet the needs of long-distance transportation;
3.Application
- Food industry: delivery of milk powder, rice flour, condiments and other finished and semi-finished products.
- Pharmaceutical Industry:Used for conveying powder materials such as pharmaceutical raw materials,Ensure the continuity and efficiency of pharmaceutical production.Yes.
- food processing industry:For conveying grain, flour and other food materials.
- Chemical industry:For fertilizer, plastic particles, calcium carbonate, titanium dioxide and other solid particles of material transport.
- powder coating industry:Used for conveying powder materials such as pigments and coatings.
- Rubber industry:Used for conveying rubber particles and powder.
- Power industry:It is suitable for conveying materials such as pulverized coal and desulfurizer to improve the efficiency and safety of power production.
- New energy industry:Lithium batteryPoolRaw materials, semi-finished products and products inof delivery.
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