Rotary Paddle Switches Applied in Integrated Sludge Incineration System
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Rotary Paddle Switches Applied in Integrated Sludge Incineration System An Anhui sewage treatment plant builds a 100 t / D circulating fluidized bed integrated sludge incineration project, and provides the best solution for the final disposal of urban sludge. The processes of the integrated sludge incineration system mainly include drying system, incineration system and flue gas purification system. The drying system contains dryer, fine-powder separator, condenser, gas-water separator and circulating fan. Level switches are essentials to control and monitor the fine powder levels in fine-powder separator to ensure the efficiency of the fine-powder separator and plays an important role in the continuous operation of the entire system. RF admittance level switches were used by the client with inaccurate detections and frequent false alarms. Due to the high powdery dust and fine particle size, as well as the unstable dielectric constant and conductivity of medium (the powder particles after sludge drying), RF admittance level switches were not able to measure reliably in such situation. Shenzhen Jiwei Automations Ltd.

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Instead of RF admittance level switch, the client tested Jiwei Spin-11 Rotary Paddle Switches for trials. In Spin-11 Rotary Paddle Switch series of products，micro motor, through a clutch, drives the rotation of a transmission shaft on which a paddle is assembled. When the spinning paddle is not contacted with measured material, the motor is in normal rotation; when the paddle is covered by measured material, the motor stops rotating and its power is switched off automatically. At the same time, a switching signal is generated by a detection device to control the process of material...

Open the catalog to page 2

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