Process for charging a carrier gas stream with a free-flowing ma

Details Process for charging a carrier gas stream with a free-flowing ma Process for charging a carrier gas stream with a free-flowing ma

1990-03-12

1991-08-27

Rosenbaum, Mark

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51416, 51436, 406 32, 406124, B24C 300

Patent

active

050422090

ABSTRACT:
The device has a storage vessel (2) that is connected to a compressed gas pipe (1) and whose outlet (6) discharges through a shut-off element (7) into a carrier gas pipe (10). Shut-off element (7) and the setpoint values of a first pressure regulator (23) in compressed gas pipe (1), as well as a second pressure regulator (24) in carrier gas pipe (10), are controlled by a program control device (33) with a program memory (34), in which several programs that are selectable by a selector (37) for charging the carrier gas stream with varying amounts of material and/or material concentrations are stored. Each program contains time-driven switching commands for opening and closing shut-off element (7) and two different setpoint values for first and second pressure regulator (23, 24). With the device, the carrier gas stream, for example, for descaling hollow billets of varying dimensions, can be charged selectively with different, precisely measured amounts of material and material concentrations (amounts of material per carrier gas volume), by which charging with different amounts of material or material concentrations can be done in quick succession.

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