DCS control system for material processing

A control system and material technology, applied in the direction of comprehensive factory control, comprehensive factory control, electrical program control, etc., can solve the problems of feeding, metering or measurement errors, increased labor, and unqualified products, etc., to improve accuracy, The effect of reducing operation intensity and number of people and improving safety

Inactive Publication Date: 2014-05-28
ANHUI LAND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This poses a great challenge to the current manual control, because the mixers or grinders used in production and processing in factories are relatively large, and the weight of each processing is relatively heavy. If these controls all rely on workers to realize feeding and metering, W

Method used

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  • DCS control system for material processing
  • DCS control system for material processing
  • DCS control system for material processing

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0031] Example one:

[0032] Such as figure 1 The DCS control system for material processing shown includes a diaphragm pump arranged on a material storage tank and a motor 5 for starting material processing. The diaphragm pump 8 is provided with a solenoid valve 7 and the material storage tank is provided with a detection module 1 inside. The detection module 1 is interactively connected to the PLC controller 3 via the analog I / O module 2, the PLC controller 3 is interactively connected to the digital I / O module 4, and the digital I / O module 4 passes The solenoid valve 7 controls the diaphragm pump to run. The output terminal of the solenoid valve 7 is connected to the input terminal of the digital I / O module 4; the analog I / O module 2 and the digital I / O module 4 The output terminals are all connected with the motor 5; the PLC controller 3 is also interactively connected with the touch screen 9; the output terminal of the digital I / O module 4 is connected with an alarm 6.

[003...

Example Embodiment

[0034] Embodiment two:

[0035] Such as figure 2 The DCS control system for material processing shown includes a diaphragm pump arranged on a material storage tank and a motor 5 for starting material processing. The diaphragm pump 8 is provided with a solenoid valve 7 and the material storage tank is provided with a detection module 1 inside. The detection module 1 is interactively connected to the PLC controller 3 via the analog I / O module 2, the PLC controller 3 is interactively connected to the digital I / O module 4, and the digital I / O module 4 passes The solenoid valve 7 controls the diaphragm pump to run. The output terminal of the solenoid valve 7 is connected to the input terminal of the digital I / O module 4; the analog I / O module 2 and the digital I / O module 4 The output ends are all connected with the motor 5; the PLC controller 3 is interactively connected with the PC 8 through the communication module 10. An alarm 6 is connected to the output end of the digital I / O m...

Example Embodiment

[0045] Embodiment three:

[0046] Such as image 3 Shown is the operation flow of this DCS control system, briefly described as follows:

[0047] 1. Turn on the power and initialize the control system;

[0048] 2. Select automatic or manual mode. If manual mode is selected, manual control operation will be performed, and the system will not perform control;

[0049] 3. After selecting the automatic mode, enter the formula selection mode;

[0050] 4. Set the amount of each material according to the ratio of the processed material and each raw material, and determine the output of each raw material storage tank according to the formula;

[0051] 5. Turn on the electric valves on each raw material storage tank in turn, and make ingredients according to the formula through the weighing module and metering module;

[0052] 6. Put the raw materials into the reactor in batches;

[0053] 7. The temperature sensor detects the reaction kettle and controls the reaction temperature in the kettle, the...

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Abstract

The invention provides a DCS control system for material processing. The system comprises a diaphragm pump arranged on a material storage tank and a motor used for starting material processing, an electromagnetic valve is arranged on the diaphragm pump, and a detection module is arranged inside the material storage tank. The detection module is in interactive connection with a PLC via an analog I/O module, the programmable logic controller is in interactive connection with a digital I/O module, the digital I/O module controls operation of the diaphragm pump through the electromagnetic valve, the output end of the electromagnetic valve is connected with the input end of the digital I/O module, and the output ends of the analog I/O module and the digital I/O module are both connected with the motor. According to the DCS control system for material processing provided by the invention, material weighing, material feeding, and the temperature, liquid level and the like inside the material storage tank in the process of material stirring, dispersing or grinding can be automatically and remotely controlled, a processing device can be automatically started or stopped, the purpose of automatic processing is achieved, the cost is saved, and the product quality is improved.

Description

technical field [0001] The invention relates to the field of automatic control, in particular to a DCS control system for the production steps of materials in the processing process. Background technique [0002] With the continuous rise of modern large-scale industrial production automation and the increasingly complex requirements of process control, a comprehensive control system for production management and process control, which combines computer technology, system control technology, network communication technology and multimedia technology, has emerged as the times require. system to achieve the purpose of automated management. [0003] In the process of chemical production, it is often necessary to mix or grind various materials such as active ingredients, dispersants, emulsifiers, preservatives, etc. Before mixing or grinding, the mass of solid materials must be weighed, and the mass of liquid materials should be weighed. It is measured, and then added to the sti...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 李正祥张月晴丁晓文陈雨新
Owner ANHUI LAND GRP
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