Centrifugal dehydrator It is a commonly used Sludge treatment equipment Its principle is to separate sludge from water by centrifugal force. Based on my professional knowledge and experience Principle of centrifugal dehydrator Answer to:
1、 Fundamentals
There is a rotary table inside the centrifugal dehydrator. The rotary table rotates at a certain speed to make materials move outward along the rotary table under the centrifugal force of the rotary table, so as to realize the separation of sludge and water. The strength of centrifugal force depends on such factors as sludge concentration, rotor speed and sludge specific gravity.
2、 Main structure
The centrifugal dehydrator is mainly composed of rotary table, feeding system, flocculant system, filter cake discharge system, etc. The rotary table is usually made of stainless steel and other corrosion resistant materials to ensure the stable operation of the equipment. The feeding system is responsible for inputting sludge into the equipment, and the flocculant system is used to add flocculant to the sludge to enhance the dewatering effect. The filter cake discharge system usually uses a scraper or screw device to scrape the dehydrated filter cake from the rotary table.
3、 Influencing factors
1. Rotating speed: the higher the rotating speed of the centrifugal dehydrator, the greater the centrifugal force, and the better the sludge dewatering effect. However, too high rotating speed will also cause the filter cake to be broken, affecting the discharge effect.
2. Flocculant: Adding flocculant to sludge can change the physical properties of sludge, making it easier to form large flocs, thus improving the dewatering efficiency.
3. Filter cake discharge system: the design of the discharge system has an important impact on the drying degree and integrity of the filter cake. Proper discharge speed and scraper pressure can ensure the dryness and integrity of filter cake.
In short, centrifugal dehydrator is an effective Sludge dewatering equipment Its principle is to separate sludge and water by centrifugal force. Reasonable operating parameters and equipment structure can achieve good dehydration effect.
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