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Environment Protection DeviceOther Environment Protection DevicePLC Control CabinetIntelligentizationEnergy Conservation Environmental ProtectionSkid-Mounted Control System
Heze Zexuan Equipment Manufacturing Co., Ltd.
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Product Description Scope of applicationPetrochemical industry: It is used to monitor and control various production processes in refineries and chemical plants, such as the temperature and pressure control of distillation towers, the flow and liquid level control of reactors, and the monitoring of pipeline transportation systems. This ensures the safe and stable operation of production processes in complex environments involving high temperatures, high pressures, flammability, and explosiveness.Power industry: It can realize the monitoring and control of equipment such as generator sets, boilers, and steam turbines in power plants, optimize the operating parameters of the power generation process, improve power generation efficiency, reduce energy consumption and pollutant emissions. At the same time, it is also used for the automatic control of substations to achieve real-time monitoring and dispatching of the power grid.Metallurgical industry: In places such as steel mills and non-ferrous metal smelters, it is used to control processes like ironmaking in blast furnaces, steelmaking in converters, and electrolysis in electrolytic cells. It enables precise control of parameters such as temperature, pressure, flow, and composition, thereby improving product quality and production efficiency.Pharmaceutical industry: In compliance with GMP standards, it plays an important role in aspects such as the control of clean environments in pharmaceutical production processes, the operation monitoring of production equipment, and the parameter control of technological processes, ensuring the quality and safety of pharmaceuticals. How it works The DCS control cabinet is a key piece of equipment in the Distributed Control System. It is used to install the DCS control system and related equipment, enabling centralized monitoring, operation, management and decentralized control of the production process. The equipped controllers (such as PLC and DCS controllers) execute functions like logical control, sequence control and PID regulation through preset programs, automatically responding to on-site signals and outputting control instructions to realize unattended operation of the production process. Controller: As the core of the DCS control cabinet, it is responsible for executing control algorithms, processing and analyzing the collected data, and generating control instructions according to preset control strategies to achieve precise control of the production process.Input/Output (I/O) modules: Used to connect various on-site sensors and actuators to realize signal conversion and transmission. I/O modules can be divided into analog input modules, analog output modules, digital input modules, digital output modules, etc. They are capable of collecting analog signals such as temperature, pressure, and flow, as well as digital signals such as switch states and pulse signals, and outputting the controller's control instructions to the corresponding actuators.Communication interface: It supports multiple communication protocols such as Profibus, Modbus, HART, and industrial Ethernet. Through the communication network, it enables data exchange and communication between the controller and the upper computer, other control cabinets, and on-site equipment, ensuring that all parts of the system can work collaboratively. Power supply module: It provides stable power for various components in the DCS control cabinet, usually including AC power input modules and DC power output modules. It converts commercial power into DC voltages suitable for various devices, such as 24V and 5V, ensuring the reliable operation of the system under different power supply conditions.Human-machine interface (HMI): Generally a touch screen or industrial computer, it provides an intuitive graphical operation interface. It facilitates operators to monitor various parameters and equipment status of the production process in real time, perform parameter setting, control operations, alarm checking, etc., realizing the interaction between humans and the control system.System software: It includes operating systems, configuration software, control algorithm software, etc. The configuration software is used for configuring, programming and debugging the DCS system. Users can conveniently build the logical structure of the control system, set control parameters, draw process flow diagrams, etc. through graphical configuration tools; the control algorithm software is a program that implements various advanced control algorithms, such as PID control and model predictive control, to meet the control needs of different production processes. Technical features Data acquisition and processing: It can collect data from various on-site sensors and instruments in real time, perform filtering, conversion, compensation and other processing on the collected data, and conduct data analysis and storage simultaneously, providing data support for production process monitoring, optimization and fault diagnosis.Remote monitoring and operation: With the help of network connection, operators can remotely monitor the operating status of the production process in a control room or other locations away from the site through upper computers or mobile terminals, keep abreast of information such as equipment operating parameters and working status in real time, and can remotely control equipment, such as starting/stopping equipment and adjusting parameters, which improves the convenience and flexibility of operation.Alarm and fault diagnosis: It conducts real-time monitoring and analysis on the status of various equipment and production processes. When abnormal situations are detected, such as parameters exceeding the set thresholds or equipment failures, it can promptly issue sound and light alarm signals to remind operators, and can quickly locate fault points through the fault diagnosis function, helping maintenance personnel troubleshoot and reduce downtime, ensuring the continuity of production. Flexible programming and logical control: It supports multiple programming languages and methods, such as ladder diagrams, statement lists, function block diagrams, etc. Users can flexibly write control programs according to the requirements of production processes to realize various complex functions such as logical control, sequence control, timing control, and counting control, meeting the control needs of different production processes.Redundant design and reliability: It adopts technologies such as dual-controller redundant configuration, communication network redundancy, and power supply redundancy to ensure seamless switching when hardware failures occur without affecting the normal operation of the system. This improves the reliability and availability of the system, making it suitable for high-risk workplaces such as nuclear power and petrochemical industries. Automated control executionEquipped controllers (such as PLC and DCS controllers) execute functions like logical control, sequence control, and PID regulation through preset programs. They automatically respond to on-site signals and output control instructions to realize unattended operation of the production process (such as automatic start/stop of production lines and precise temperature adjustment of reaction kettles).Human-machine interfaceSome control cabinets integrate touch screens (HMI), operation buttons (such as emergency stop buttons, start/stop buttons), indicator lights (power lights, running lights, alarm lights), etc., to facilitate operators to:Monitor status and parameter data in real time (such as current temperature and pressure values);Manually intervene in the control process (such as emergency shutdown, modification of set parameters);Receive fault alarm signals (sound and light prompts).Communication and networking functionsThrough built-in communication interfaces (such as Ethernet ports, RS485 interfaces) or communication modules, it supports data interaction with upper computers (SCADA systems), other control cabinets, and on-site equipment (such as frequency converters, instruments) to realize:Remote monitoring (real-time viewing of control cabinet operation data in the control room);Centralized management (collaborative work of multiple control cabinets, such as linkage control of production lines);Data upload (production data is stored in the server for analysis and optimization). Company Profile Address: Huji Industrial Park, Deshang Expressway, Mudan District, Heze City, Shandong Province, ChinaBusiness type: Manufacturer/factory, trading companyBusiness scope: manufacturing and processing machineryManagement system certification: ISO9001:2015 ISO45001:2018 ISO14001:2015Main products: Ground flare, Biogas flares, flare stack,Thermal Oxidation Furnace, Flue gas purification equipmentHeze Zexuan Equipment Manufacturing Co., Ltd. is an enterprise engaged in the manufacture of special equipment for environmental protection; sales of special equipment for environmental protection; application of industrial automation technology; sales of power electronic components; research and development of mechanical equipment; sales of intelligent instruments and meters; manufacturing of intelligent instruments and meters; research and development and promotion of comprehensive utilization of waste gas and VOCs treatment technology.The company's main products and service directions: manufacturing of ground torches, elevated torches, waste gas venting torches, biogas torches, three waste incinerators, and wastewater treatment equipment, industrial automation and DCS system applications, wastewater treatment projects, VOCs treatment equipment and engineering construction, petrochemical accessories and instrument sales, petrochemical equipment installation, maintenance and repair, etc.; support product customization services and OEM services in the same industry, from design to manufacturing, installation, commissioning, and after-sales one-stop service. 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