SU1013923A1 - Process of mixing regulation device - Google Patents

Abstract

A DEVICE FOR REGULATING A MIXING PROCESS, containing component dispensers, a motor connected to the mixer of the mixer, as well as an adder and setting device, the output of which is connected to the first input of the flow regulator, so that To increase the accuracy of the device, it contains a sensor I of the active component of traffic. the motor whose output is connected to the second input of the flow regulator whose third input is connected to the output i of the adder, and the output to the input dose of the corrective component. The inputs of the adder are connected respectively to the outputs of the component dispensers.

Description

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The invention relates to the regulation of blending processes and can be used in the refractory industry, for example, in the manufacture of pulp for briquetting from chamotte, water and clay fines as a binder. A device is known for adjusting the viscosity in the process of continuous cooking of superphosphate from phosphate raw materials and sulfuric acid carried out in an apparatus with agitators, in which sulfuric acid is supplied depending on the current, the drive of the agitators 1. However, in this device, the motor current of the agitator drive depends not only on the viscosity of the mixed mass, but also on other parameters, such as voltage fluctuations and cos of the suction network, and also significantly depends on the amount of the mixed mass, which generally reduces the quality of the mixture. The closest technical solution to the invention is an end-of-sulfidation process control unit containing component dispensers, a power sensor used by a motor stirrer, a high-frequency power interference filter, a signal accumulator from a filter and a signal proportional to the process time integral and the absolute value of the signal from the filter, the extremum sensor in bones connected by the input from the output of the adder, and the output to the input of the log (c2 control unit of the end of the process). TV is poor quality of the mixture due to the fact that the consumed power significantly depends not only on the bone mass, but also on its quantity, as well as fluctuations of the power supply network parameters, for example cosM. The aim of the invention is to improve the accuracy of the device. that an active sensor is inserted into the device for regulating the mixing process, the contents of the component dispensers, the motor associated with the mixer mixer, and the adder and adjuster, the output of which is connected to the first input of the flow controller. engine output, the output of which is connected to the second input. the house of the flow regulator, the third input of which is connected to the output of the adder and the output to the input of the metering component of the correction component, and the inputs of the totalizer are connected respectively to the output of the component metering units. The introduction of an active power sensor and the connection of an adder makes it possible to most fully isolate the useful signal proportional to the quality (viscosity) of the mixture, and thus, using it in the control system, improve the quality of the mixture. The drawing shows a block diagram of the proposed device. The device contains dispensers 1-3 of components: water, dust and clay, respectively supplied to the mixer 4 with the engine 5, the sensor of the active component of the engine 6, the flow regulator 7, the setting device 8 and the adder. 9. The device works as follows. A set of initial components (water, dust and clay as a binder and a correction component) are fed into the mixer 4 using dispensers 1-3. Using the sensor 6, the active component of the power consumed by the stirrer drive motor 5 is determined and compared in the controller 7 with the value output by the setter 8. The controller controls the performance of the metering unit 3 of the corrective component. With the active component and the power exceeding the set one, the supply of the correction component decreases, and otherwise it increases. The active component of the power consumed by the engine 5 depends not only on the ratio of the components, but also on their total quantity in the mixer 4. Beforehand, the relationship between the active component of the engine power and the total consumption of components for the ratio required by the technology of Liver should be known. given mixture. On the basis of production requirements, for example, an increase in the amount of dust briquetted is required (increased dust loss during clay firing. Dust consumption dispensers And water is given a new task (manually or automatically depending on the level of dust in the bunker), Adder 9 enters the signal about the new value of the costs. The expense of the corrective component (clay in this case) remains unchanged so far. The adder 9 determines the new total value of the expenses of the components in the mixer, which leads to a change in the corrective the signal from adder 9 to regulator 7 and, accordingly, to the flowrate of the corrective component to the mixer. The algorithm of operation of regulator 7 is as follows: Regulator 7 receives three signals X - the set value of the active component of the engine power from the setting unit 8.; X2 - the current value of the active component of the engine power from sensor 6; X is a signal from adder 9 proportional to the total consumption of components in the mixer (the total number of components in the mixer), which compensates for the change in the signal from the sensor b in reg By varying the volume of the mixture in mixer 4 In controller 7, the resulting input signal Xg is determined by the equation Xj X KXa where K is the coefficient determining the relationship between the active component of the engine and the total consumption of the components in the mixer. The signal at the output of regulator 7 will be equal to zero, when 0. In the opposite case, when changing X, X2 or Xj, the correction signal flow rate correction (for dispenser 3) will be corrected. The use of the proposed device improves the quality of the mixture, and hence the strength of the briquette obtained from this mixture, which reduces the cost of fuel for briquette burning by reducing the amount of circulating dust in the furnace and leads to an increase in the quality of the shamdja

Claims (1)

DEVICE FOR REGULATING THE MIXING PROCESS, containing component dispensers, an engine connected to the mixer of the mixer, as well as an adder and a setter, the output of which is connected to the first input of the flow regulator, which is related to the fact that, with • in order to increase current of the apparatus, it comprises an active sensor part power engine whose output is connected with ^one secondary ring input flow regulator, tretay input of which is linked to yield 'of the adder, and the output - to the input of the correction dispenser components, wherein the inputs adder connected respectively with the outputs of the dispensers of the components. £ to..tstsa2