Abstract
The paper gives theoretic analysis and results of experimental investigation of suspended particle collecting in high‐speed fibrous mist collectors. A dominating role of inertial mechanism of suspended particle precipitation in highspeed mist collectors was determined and a method of calculation of their efficiency by means of probability integral was proposed. Applicability of physical analogy method to deduction of dependency determining values of d50 (diameter of particles collected in an apparatus under given technological mode of its operation with the efficiency of 50 %) on the basis of experimental data is shown. Experimental assembly used for research, testing techniques and result estimating methods are described. Investigation results allowed achieving an improved formula for calculating the value of d50 depending on hydraulic resistance of apparatus and density of collected particles.
Highlights
The paper gives theoretic analysis and results of experimental investigation of suspended particle collecting in high-speed fibrous mist collectors
Investigation results allowed achieving an improved formula for calculating the value of d50 depending on hydraulic resistance of apparatus and density of collected particles
Efficiency of precipitation of suspended particles in any type of dust extractor could be represented as a function of dimensionless precipitation parameters – criteria [1, 2], each of them characterizing a respective precipitation mechanism, and Re criterion which determines hydrodynamic mode of work of apparatus
Summary
Efficiency of precipitation of suspended particles in any type of dust extractor could be represented as a function of dimensionless precipitation parameters – criteria [1, 2], each of them characterizing a respective precipitation mechanism, and Re criterion which determines hydrodynamic mode of work of apparatus. If there’s a mechanism playing a major role in precipitation of particles in an extractor of specific type, the calculation of efficiency of apparatus η should be made in the light of this most likely mechanism of precipitation, removing all others from functional dependence (they are negligible here) This approach allows significant simplification of calculation methods for gas-cleaning equipment.
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