SU408923A1 - REGULATOR OF COOLING MODE OF FIRE-LIQUID SLAG - Google Patents

Description

A cooling mode regulator for fiery liquid slag in a cooling stream is known, which contains a cooling mode setter connected to a unit for changing the flow rate of the component currents.

The purpose of the invention is to increase the efficiency of regulation.

For this, the controller is equipped with two contactless flow density sensors, a signal delay unit, a correlator and an extremum search unit, with one of the sensors connected to the correlator input through the delay unit and the other directly to the second input of the correlator, the output of the latter connected through the unit extremum search and signal delay unit with cooling mode setter.

The drawing is a diagram of the proposed controller.

The regulator consists of two sensors 1 ii 2 of the current density, a signal delay unit 5, orrelator 4, an extremum search unit 5, a cooling mode setting unit 6 and cooling units 7 and 1 for the flow components. Sensors / and 2 flux densities establish JOT along flux 9, each of which produces signals proportional to the densities of the slag particles that are currently in the depot area of the sensors.

Block 3 delay delay1, there is a delay

the signal of the sensor U. The magnitude of the delay a is controlled by the block 5 of the extremum search. The correlator 4 computes the mutual correlation function of two} x random processes.

changes in slag density in the stream. Block 5, the change in the magnitude of the delay in block 3, maintains the maximum value of the correlation function at the output of the correlator - /. Unit 6 perceives the reverse signal from the slag velocity in the flow from the delay unit 3 and corrects k. for block 7, the change in slag consumption and block 8 of the cooling agent. The warning lamp 10 for driving the alarm generates an alarm when it decreases)

frequency and amplitude of output oscillations

density sensor to the level of compliance) clearing slag stop in the gutter.

The controller works in the following way.

When chaspts slag in notes 9

They subsequently pass mp.mo sensors / and 2 of the flux density, set by a fixed distance along the current. The sensor from sensor 2 goes directly to the correlator 4, and from the sensor / external comes

to the correlator 4 through the block 3 of the signal delay. The input signals are converted in the correlator. The output signal goes to the block of the extremum search 5, which changes the delay value in such a way that

The output correlator of the correlator of the torus 4 was supported as much as possible. At the maximum value of the output signal of the correlator 4, the delay value is the time during which the slag moved in the note from sensor 1 to sensor 2.

With a fixed distance between the sensors, the amount of delay is inversely proportional to the slag velocity in the stream. The signal proportional to gallium slag slag from the delay device enters the setpoint adjuster commands for blocks 7 and S of the change in slag consumption and cooling, his agent. In the case when slag consumption control is not possible (for example, refined slag processing), a given cooling rate is maintained by varying the flow rate of the cooling agent due to the perturbing effect of the scrap metal consumption. When blocking the chute through which the flow of I is moving, sensors 7 and 2 will not register slag density fluctuations, a permanent signal will be set at their outputs that senses the gutter blocking alarm and generates an alarm.

Subject invention

The cooling mode regulator of the firewater slag in the cooling stream, which contains a cooling mode setter, is connected to a flow change component block, characterized in that, in order to increase efficiency, the regulator is equipped with non-contact flow density sensors, signal delay unit, correlator and unit search for an extremum, with one of the sensors connected to the input of the correlator through a delay unit, and the other directly to the second input of the correlator, the output of the last connected through the search unit

extremum and signal delay unit with cooling mode setter.

and and

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