Product Description
brief introduction
A hydraulic cyclone is a device used to separate and remove heavier coarse particles such as mud and sand from wastewater. Sometimes it is also used for mud dewatering. There are two types of structures, namely the pressure type and the gravity type, which are often made of circular cylindrical structures or metal pipes. Water enters from the upper part of a structure (or metal pipe) along a tangent due to pressure or gravity. Under the action of centrifugal force, coarse and heavy particles are thrown towards the wall and rotated downwards to be discharged together with the formed concentrated liquid. Smaller particles rotate to a certain extent and are discharged with a secondary upward vortex.
Product function
Removing impurities, protecting irrigation equipment, improving irrigation quality, reducing chemical blockages: filtering out chemicals, algae, and microorganisms that may exist in the water.
Construction principle
The hydraulic cyclone consists of an upper hollow cylinder and a lower inverted cone connected to the cylinder, forming the working cylinder of the hydraulic cyclone. In addition, hydrocyclones also have ore feeding pipes, overflow pipes, overflow conduits, and sedimentation ports. A hydraulic cyclone uses a sand pump (or height difference) to rotate the slurry into a cylinder at a certain pressure (usually 0.5-2.5 kg/cm) and flow rate (about 5-12 m/s) in the tangential direction, and then the slurry rotates along the cylinder wall at a fast speed to generate centrifugal force. Under the action of centrifugal force and gravity, coarser and heavier mineral particles are thrown out.
Hydrocyclones are mainly used in the mineral processing industry for classification, sorting, concentration, and desliming. When a hydraulic cyclone is used as a classification device, it is mainly used to form a grinding and classification system with a mill; When used as a desliming equipment, it can be used for desliming in re-election plants; When used as a concentration and dehydration equipment, it can be used to concentrate the mineral tailings and send them to fill underground mining tunnels.
Hydrocyclones have no moving parts and are structurally simple; The production capacity per unit volume is relatively large, but it occupies a small area; High grading efficiency (up to 80%~90%), fine grading particle size; Low cost and minimal material consumption.
The suspension enters the hydrocyclone at a high velocity along the tangent direction from the feed pipe. Due to the restriction of the outer cylinder wall, the liquid is forced to undergo a top-down rotational motion, which is commonly referred to as external vortex or descending vortex motion. The solid particles in the outer vortex are subjected to centrifugal force. If the density is greater than the density of the surrounding liquid (which is the case in most cases), the centrifugal force it receives will be greater. Once this force is greater than the liquid resistance caused by motion, the solid particles will overcome this resistance and move towards the wall, separating from the suspension. The particles near the wall are continuously pushed by the liquid and move downwards along the wall, gathering near the bottom flow outlet to form a greatly thickened suspension, which is discharged from the bottom flow outlet. After separation and purification, the liquid (including some small particles) continues to rotate downward and enter the conical section. As the inner diameter of the cyclone separator gradually decreases, the liquid rotation speed increases. Due to the uneven pressure distribution along the radial direction when the liquid generates vortex motion, the pressure decreases closer to the axis and approaches zero at the axis, becoming a low-pressure zone or even a vacuum zone, causing the liquid to move towards the axis direction. At the same time, due to the greatly reduced bottom flow port of the cyclone separator, the liquid cannot be quickly discharged from the bottom flow port. The overflow port in the center of the top cover of the cyclone chamber, located in the low-pressure zone, causes some of the liquid to move towards it, thus forming an upward rotational motion and being discharged from the overflow port.
Applicable scenarios
Drip irrigation and micro sprinkler irrigation systems, large-scale farmland irrigation.
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