SU1606177A1 - Apparatus for contacting solid particles of polydispersed composition from 0.01 to 3 member with liquid - Google Patents

Abstract

The invention relates to the design of an apparatus for contacting solid materials of a polydisperse composition with a liquid, can be used in chemical, microbiological and other traditional households and allows an increase in the intensity of the process of interaction of solid particles and liquid due to additional circulation of solid particles. The device is equipped with an ejector nozzle mounted on the pipe entering the fluid at the point of transition of the conical part of the device into a cylindrical. 2 Il.

Description

The invention relates to the design of apparatus for contacting solid materials of a polydisperse composition with a liquid and can be used in chemical, microbiological and other sectors of the national economy.

The purpose of the invention is to increase the intensity of the process of interaction between solid particles and a liquid due to the involvement of particles in the zone of active hydrodynamic environment and additional circulation of solid particles.

FIG. 1 shows the apparatus, a longitudinal section; on -fig. 2 - section of the input pipe with an ejector.

The device contains a conical 1 and a cylindrical 2 parts, the pipe 3 input fluid directed toward the bottom 4, fittings 5 and 6 of the input and output of solid particles, respectively, fitting 7 output fluid.

The device works as follows.

Fluid through the inlet pipe 3 is supplied to the lower part of the apparatus. Lift up

according to the conical part 1 of the apparatus, it brings the particles of a solid material into a fluidized state. The fluidized bed of solid particles consists of two zones: zone 1 of the usual fluidization of solid material and zone II of the active hydrodynamic environment. Zone I is a conventional Fluidized Bed, as on distribution grids. Zone II of an active hydrodynamic environment is characterized by high fluid flow rates of solid particles compared to flow velocities in a conventional fluidized bed, as well as swirling fluid motion caused by a change in the direction of flow of the fluid flowing out of the inlet pipe. In this zone, the interaction of solid particles is higher than in a conventional fluidized bed.

To increase the intensity of interaction between the particles and the liquid, it is necessary to increase the number of particles in the zone of active hydrodynamic conditions, for which purpose on the input pipe

05

about

O5

the fluid at the junction of the conical part 1 of the apparatus into the cylindrical part 2 is installed an ejector nozzle 8, with which particles from the usual fluidization zone are sucked into the liquid inlet pipe 3 and then from it enter the active hydrodynamic environment, which leads to the intensification of the process of solid particles with liquid.

Claims (1)

Invention Formula Apparatus for contacting solid particles of polydisperse composition from 0.01 to 3 mm with liquid, containing a cylindrical-conical case, a central tube for introducing a liquid with an open end directed towards the bottom, shunting of input and output of solid particles, a shucer of liquid withdrawal, characterized in that, in order to increase the intensity of the process of interaction of solid particles and liquids due to the involvement of particles in the zone of active hydrodynamic conditions and additional circulation of solid particles, the apparatus is equipped with an ejector head mounted on the liquid inlet pipe, at the junction of the conical part rpusa in cylindrical.