METHOD OF DETERMINING GAS SUSPENSION OF TECHNICAL CARBON IN SEALING HOPPER Russian patent published in 2013 - IPC C09C1/60 B01J2/10 

FIELD: chemistry.

SUBSTANCE: sealing hopper 3 is divided vertically into control zones I-VII, in each of which sensors 8₁-8₈ measure hydrostatic pressure drop of the gas suspension of technical carbon between the top and bottom points of the zones. Measurement results are used to determine hydrostatic pressure drop in each zone, calculate density of the gas suspension of technical carbon in each zone and plotting a curve of change in density of the gas suspension of technical carbon on the height of the hopper, based on which one of the zones where there is an abrupt drop in density is determined and said zone is denoted the k-th zone. The height of the level of the gas suspension within said zone is then calculated. The level of the gas suspension in the sealing hopper 3 at each current moment in time is then calculated using the formula $$H_{lev}={\displaystyle \sum _{i=1}^{k-1}{h}_i+\Delta h},$$ where H_lev is the level of the gas suspension of technical carbon in the sealing hopper, m; Σh_i is the total height of the i-th control zone (from i=1 to i=k-1), m; Δh is the height of the level of the gas suspension of technical carbon within the k-th zone of abrupt drop in density, m; k-1 is the number of i-th control zones from the outlet zone of the hopper to the k-th zone of abrupt drop in density of the gas suspension of technical carbon.

EFFECT: invention enables to determine the level of gas suspension in a sealing hopper 3 with high reliability and accuracy.

3 dwg, 2 ex