| After-sales Service: | Warranty Period |
|---|---|
| Warranty: | 2 Years |
| Function: | Storage Pressure Vessel |
| Application: | Liquefied Gas |
| Material: | Stainless Steel |
| Pressure: | 1.6MPa≤p<10.0MPa |
| Samples: |
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| Customization: |
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Audited Supplier The working principle of a thick tank is to use the principle of gravity sedimentation to separate solids from low concentration semi-finished crystal slurry. The suspension flows into the central liquid tank, and the clear liquid is discharged from the surrounding area through the overflow port. The sediment or residue in the thickener concentrates towards the center of the bottom of the thickener and is discharged through the discharge port, thereby increasing the material consistency.
Thick tanks are generally divided into three sections: clarification section, thick section, and conical bottom. The working principle of the thick section: After the crystal slurry enters the thickener, it is divided into two material flows, one of which is the overflow clear liquid that rises to the upper clarification section, called top flow; The other is the thicker crystal slurry flow, also known as underflow, that descends to the bottom. Due to the thickening of the crystal slurry, the porosity decreases, and the settling speed of the crystal slurry decreases; To cause the grains to sink, the rising speed of the crystal slurry must be lower than the settling speed of the grains in order to achieve this. The grain sedimentation in the thick section belongs to interference sedimentation.
In the process of liquid-solid fluidization, the sedimentation of grains is caused by the balance between the "drag" and gravity generated by the liquid's rise. Keeping the liquid's rise speed equal to the settling speed, grains can only roll in the liquid and cannot rise or fall. When the concentration of crystal slurry is high and the grain diameter is>100um, the settling speed of the grains is hindered and reduced.
Large thickening tanks are mostly conical bottomed cylinders, with suspended liquid flowing in from the central delivery tank and clear liquid overflowing from the periphery and discharged through the outflow tank. There is a slowly moving rake in the container, which collects sediment or residue towards the center of the bottom of the container and then discharges it through the discharge pipe. However, existing thickeners can only settle solid particles in the suspension during operation, making it difficult to handle impurities inside the clear liquid.
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