DISPENSING CHAMBER Russian patent published in 2014 - IPC F28F9/00 

FIELD: machine building.

SUBSTANCE: dispensing chamber (5) is limited from outside by body (3), bottom (2) and grate (6) and interconnects central supply pipe (8) and side discharge channel (1) through a clearance between bottom (2) and end-face part of central supply pipe (8). Side discharge channel (1) is shaped by body (3) and central supply pipe (8). Grate (6) is installed in side discharge channel (1), while its porosity coefficient corresponds to a range from 0.3 to 0.8. The ratio of dimensions of chamber (5) corresponds to the conditions taking into account the interrelations, first of all, of a height of dispensing chamber (5) and inner diameter of central supply pipe (8); secondly, of a height of inlet into dispensing chamber (5) and inner diameter of central supply pipe (8); thirdly, of a height of dispensing chamber (5), a height of entrance into it and inner diameter of central supply pipe (8); fourthly, of a height of dispensing (5) and a height of entrance into it, radius of the lower part of body (3), inner and outer radii of central supply pipe (8); fifthly, of a distance from bottom (2) to step (7) at body (3) accordingly with the height of dispensing chamber (5) and with a radius of the lower part of body (3), a height of entrance into dispensing chamber (5), inner radius of central supply pipe (8); sixthly, of a radius of the lower part of body (3), inner radius of central supply pipe (8) and a height of entrance into dispensing chamber (5). The dimensions of a flowpath of dispensing chamber (5) are related with its hydrodynamic characteristics by a relation taking into account the mass flow rate of the working medium through a hole of grate (4), an average mass flow rate of the working medium through it, full pressure loss at grate (4), working medium density, average velocity of the working medium in central supply pipe (8), area of cross-section of a jet of the working medium falling on grate (6) jet of the working medium, a radius of the upper part of body (3), external radius of central supply pipe (8), reference radius of grate (6) and three empiric coefficients.

EFFECT: extending functional capabilities of a device at shaping a hydrodynamic irregularity at the exit of the dispensing chamber and simplifying its design.

5 cl, 1 dwg