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What is the relationship between the filtration area and the processing capacity of a filter?
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Processing capacity is directly proportional to filtration area at a given flow velocity. Larger filter area means higher throughput at the same face velocity. Standard design uses 0.5-2 m/min face velocity for liquid filtration. Double the area roughly doubles the flow capacity.
Is the filtration effect of a filter greatly affected by the environmental temperature?
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Temperature affects filtration moderately: higher temperature reduces fluid viscosity, improving flow rate through the filter; extreme temperatures can degrade filter media materials or cause thermal expansion affecting seal integrity. Always verify media temperature rating.
What performance changes will occur when a chemical pump transports the same medium with different concentrations?
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Higher concentration increases corrosion rate and fluid density/viscosity, potentially reducing flow rate and accelerating material wear. Pump performance shifts along the system curve due to changed fluid properties. Material compatibility must be verified at the specific concentration, not just the chemical type.
Does the installation angle of a vertical pump have an impact on its operating efficiency?
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Yes. Vertical pumps are designed for vertical installation. Tilting or angled installation causes: uneven bearing wear, shaft misalignment, reduced lubrication effectiveness, increased vibration, accelerated seal wear, and shortened service life. Always install vertically as specified.
For transporting media with different flow velocities, what considerations are there in the structural design of chemical pumps?
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Structural considerations include: impeller design matched to flow velocity range, volute geometry optimized for the design point, suction passage sizing to prevent excessive inlet velocity and cavitation, and discharge nozzle sizing to control exit velocity within pipe system limits.
How does the operation of a fan in different humidity environments affect its performance?
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High humidity can cause: moisture condensation in motor windings reducing insulation life, corrosion of metal components if not properly coated, and slight changes in air density affecting performance. In extremely dry conditions, static electricity buildup may be a concern.
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