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How to design pneumatic conveying system equipment to solve the common problems of dilute phase conveying?
Release time:
2022/04/18
Manufacturing companies know.Pneumatic conveying system equipmentA large amount of material can be transported from one place to another. Pneumatic conveying system equipment uses air to push the powdery materials in the pipeline to convey. In most cases, the bulk solids are dry powders or granules, which are transported by gas transport equipment. It can be conveyed to a vessel/mixer, the chemical feedstock is conveyed to a reactor, and the polymer pellets are loaded into a hopper above an extruder or injection molding machine. According to the conveying method, there are two kinds of pneumatic conveying system equipment: dense phase gas conveying equipment and dilute phase gas conveying equipment; dense phase gas conveying equipment is a kind of high-pressure equipment, used for long-distance conveying of materials, because of its low-speed characteristics, it is especially suitable for fragile or abrasive materials. Dilute phase gas conveying equipment is a low-pressure high-speed equipment with flexibility in the range of materials that can be handled. The air flow may be generated by an air compressor or a Roots blower.
Start with the main components of a single gas delivery device. It includes a controller (PLC ), which is an important equipment of gas conveying equipment; a rotary claw-type long-distance pump (LDP) with variable speed drive (VSD) to generate different levels of deep vacuum; a material shuttle to store pre-programmed formula and communicate with PLC; patented pulse valve and servo valve; a distribution box; and a speed sensor.
Users can program the wave type, speed and delivery rate according to the specific requirements of each material pick-up. The PLC allows the gas delivery equipment to operate in regular dilute phase mode or dense and dilute phase modes depending on the selected LDP pump and recipe. It all depends on the application and the effect the plant wants to achieve.Pneumatic conveying system equipmentThe valve works with a vacuum pump controlled by PLC and vfd to achieve vacuum pressure and material speed. For example, when the material needs to be transported over a long distance, the valve can be automatically adjusted so that the gas conveying equipment can convey the material under lower vacuum pressure and lower wave speed.
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