Screw pump in the airport sewage treatment "to show their talents"

As we all know, because it has a screw pump flow smooth, small pressure pulsation, self-absorption, low noise, high efficiency, long life, reliable work, is now in the environmental protection, bio-engineering, mining, oil Chemical, food, construction and agriculture industries play an important role. However, people may not be familiar with, as early as the last century, the screw pump has "appeared" in the airport sewage treatment, then the screw pump in the airport pollution control is how to work, this article we come to discuss. Screw pump at the airport sewage treatment It is reported that the use of screw pump at the airport sewage treatment began in 1989, due to Heathrow Airport Thames Perry Oaks sewage treatment plant began to be closed, the sewage treatment plant by Land Reclamation and Recycling Specialized Company --- Drunkwater - Sabi Co., Ltd. management. The Mogad Sewage Treatment Plant delivers 17600 gal of anaerobic treated sewage sludge per day and contains 2% of the dry solids. The sewage is delivered to one of the 12 cesspools in the area. After the precipitation, excess water is removed, the solids content of the sludge is 9% ~ 10%. At the Perotx wastewater treatment plant, the sewage pump drained the concentrated sludge from these sumps at a rate of 200 t / h at a pressure of 87 psi. Running for 24 hours a day will stop the pump only during routine maintenance, such as checking whether the motor has gasoline or diesel. The use of a screw pump to accomplish this task, because the screw pump has a unique flexible shaft design, the bearing shaft and the screw rotor connected one by one is to solve the pump drive shaft coaxial movement and eccentric screw rotor connection between the complex engineering problems A simple method In order to prevent damage to the stator, the sludge first passes through a device called the "big mouth" to crush any potentially dangerous substances, such as stones and wood. The flow rate is an important parameter in this application: The pump is relatively slow, about 100 revolutions per minute, reducing consumption and wear, extending pump life and reducing maintenance costs. The purpose of the application of the screw pump is to move the concentrated sludge into the two largest sumps (all exceeding 1760000gal). From these two sewage pools, the sewage is loaded into a sewage tanker truck and distributed to a local farm as an ordinary organic fertilizer. The above is the retrofit of the screw pump in the airport sewage treatment, as well as the interpretation of its working principle. Believe that, with the development of the city, the airport construction, screw pump sewage treatment in the airport will "provoke the beam," plays a very important role. Industry Internet (Xiamen) Technology Co., Ltd. Asia Pump Network Editor: Zeng Fenfen (QQ / WeChat:) http://beng.liuti.cn/ (Service Hotline:)

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