SU1371984A1 - Automatic control device for operating conditions of roasting pellets on conveyer machine - Google Patents

Abstract

The invention relates to the automation of sinter production, more specifically to the processes of preparation of ores for metallurgical processing on conveyor machines. The purpose of the invention is to increase the yield. For this, the consumption of fuel oil during roasting is maintained at an underestimate of the height of the layer on the conveyor belt, the weight of the raw pellets and the time it takes to transport the pellets from the time they measured their weight to the burners. 1 il. 1 (L

Description

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The invention relates to the automation of sinter production, more specifically to the processes of preparation of ores for metallurgical processing on conveyor machines.

The purpose of the invention is to increase the yield.

The drawing shows a block diagram of a device for automatically controlling the firing mode in a conveyor machine.

The device contains a sensor 1 and a setting device 2 layer height on a conveyor machine 3, a layer height controller 4, a weight meter 5, a threshold unit 6, a multichannel delay unit 7 (contains several delay units), a setpoint 8 delay time, a multichannel multiplication unit 9, setpoint 10 specific fuel consumption, fuel consumption sensor 11, fuel consumption controller 12 and its supply valve 13, temperature sensor 14, correction controller 15, air consumption sensor 16, fuel-air ratio controller 17, and air supply valve 18, and outputs 7 Holds for the time corresponding to the delay time of setting 8, set 1, and set 2 of the layer height are connected respectively to the first and second ports, in accordance with the time of the controller 4, of the height of the layer, and the pellets are transported from the drive. (not shown) of the conveyor machine 3, the output of the fuel consumption sensor 11 is connected to the first inputs of the fuel consumption controller 12 and the fuel ratio controller 17, the second input of which is connected to the output of the air consumption sensor 16, and the code to the valve input Air supply 18. ca, the output of temperature sensor 14 is connected to the input of the correction regulator 15, the output of which is connected to the second input of the fuel consumption regulator 12, the output of which is connected to the input of the fuel supply valve 13, the output of the weight meter 5 is connected to the input of the threshold unit 6, the outputs

This installation of the weight gauge 5 to the burners of the burning zone (not shown), and the height of the pellet layer on the conveyor

machine 3. The output signal of the delay unit 7 is multiplied in the multi-channel unit 9 multiplied by the value set by the setting unit 10 specific fuel consumption. The output signal of the multiplication unit 9 is the task of the regulator 12 for fuel consumption, processed by its feed valve 13.

Thus, the level of stabilization of fuel oil consumption is maintained taking into account pellet consumption and specific fuel consumption, and the time for changing the task of fuel oil consumption after changing the consumption of the final installation

45

setting devices 2 height of the layer of pellets and

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ki, the output of the multichannel multiplication unit 9 is connected to the third input of the fuel consumption regulator 12.

The device works as follows.

The level of material entering the conveyor machine 3 is monitored by the sensor 1 of the layer height, which is connected to the input of the controller 4, which controls the speed of the machine 3 (driver not shown), oppositely to the setting device 2.

The flow of syphilic pellets is measured by 5 weight sensors 5, depending on the output value of which threshold block 6 outputs logical signals at one of its outputs, corresponding to the measurement level of weight meters 5. Threshold block 6 is a standard with relay characteristics, the threshold of which corresponds to the level of measurements weight measurement l 5.

Output signals of the threshold block

6 are delayed by the corresponding delay blocks of the multichannel unit.

7 delay for the time corresponding to the delay time zadTchik 8, set0

five

0 poured in accordance with the time of transportation of pellets from

poured in accordance with the time of transportation of pellets from the

This installation of the weight gauge 5 to the burners of the burning zone (not shown), and the height of the pellet layer specified on the conveyor belt set by unit 2

machine 3. The output signal of the delay unit 7 is multiplied in the multichannel multiplication unit 9 by the value set by the unit 10 specific fuel consumption. The output signal of the multiplication unit 9 is the task of the regulator 12 for fuel consumption, processed by its feed valve 13.

Thus, the level of stabilization of fuel oil consumption is maintained taking into account pellet consumption and specific fuel consumption, and the time for changing the task of fuel oil consumption after changing the consumption of the final setting

8 delay times are connected respectively. cast by setpoint 8 and depends on

Actually with the first and second inputs of the multichannel delay unit 7, the remaining inputs of which are connected to the outputs of the threshold unit 6, the output of the unit 10 specific fuel consumption is connected to the first input of the multichannel multiplication unit 9, the remaining inputs of which are connected to the outputs of the multichannel 7 delay unit 55

signal setpoint 2, which allows to achieve a higher quality of the process of burning pellets, and consequently, the yield is good.

Claims (1)

Formula of the Invention A device for automatic control of the firing mode in a conveyor machine, containing dates cast by setpoint 8 and depends on signal setpoint 2, which allows to achieve higher quality of the process of burning pellets, and hence the yield. Claims device for automatic control of the firing mode on a conveyor machine, comprising a sensor and a bed height adjuster, a bed height regulator, a weight meter, fuel and air flow sensors, a temperature sensor, a fuel-air ratio controller, a correction regulator, a fuel consumption regulator and fuel and air supply valves, with the sensor and set height of the layer height connected respectively to the first and second inputs of the pellet layer height controller, the output of which is connected to of the vehicle, the output of the fuel consumption sensor is connected to the first inputs of the fuel consumption regulator and the fuel to air ratio controller, the other input of which is connected to the air flow sensor output and the output to the air supply valve inputs; the temperature sensor output is connected to the corrective control input torus, the output of which is connected to the second input of the fuel consumption regulator, the output of which Connected to the fuel supply valve inlet, characterized in that it also contains a threshold unit, a multichannel delay unit, a multichannel multiplication unit, a set delay time and a specific meter for the top flow, and the weight meter output is connected to the threshold input. block, the outputs of the set height of the layer and the delay time are connected respectively to the first and second inputs of the multichannel delay block, the rest the inputs of which are connected to the outputs of the threshold unit, the output unit of the specific fuel consumption is connected to the first input of the multichannel multiplication unit, the remaining inputs of which are connected to the outputs of the multichannel delay unit, the output of the multichannel multiplication unit is connected to the third input of the flow regulator fuel.