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Intelligent PLC-controlled Hot and Cold Integrated Machine for Polymerization of Chemical High Polymers
The intelligent PLC-controlled heating and cooling integrated machine for chemical polymerization is a high-precision temperature control device that integrates heating, cooling, circulation and intelligent control. The core of this device achieves wide temperature range control (typically -80℃ to 300℃) with ±0.1℃ accuracy through PLC + touch screen + PID algorithm. It is designed to meet the core requirements of polymerization reactions with intense heat release, multi-stage temperature control, and prevention of "thermal runaway / dead reactor". This equipment is a key process device for polymer synthesis.
Item No :
LCH-05AS-12WSOrder(MOQ) :
1Payment :
EXW/FOB/CIF/FCA/DPU/DDUProduct Origin :
CHINAColor :
CustomizableShipping Port :
SHANGHAI/NANJINGLead Time :
20Weight :
180kg
Integrated hot and cold temperature control unit
The equipment takes PLC as the control center, combines temperature sensors to collect the temperature of the reaction system in real time, and dynamically adjusts the output power of the heating and cooling modules through PID (or fuzzy adaptive PID) algorithm. It drives the heat transfer medium (such as corrosion-resistant silicone oil, ethylene glycol solution) to circulate in a closed loop in the jacket / coil of the reactor, achieving seamless switching between heating and cooling and precise temperature control. At the same time, it completes the execution of the process curve, safety interlock and data traceability through program logic.
Heating stage: PLC triggers the electric heating module, and the heat is evenly transferred through the heat transfer medium to meet the temperature requirements of the polymerization initiation, chain growth and other stages.
Cooling stage: The compressor refrigeration system starts, quickly removing the heat released during polymerization to avoid temperature runaway leading to burst polymerization or increased by-products.
Constant temperature stage: The PID algorithm micro-adjusts the heating / cooling output in real time to maintain the reaction system within a high-precision fluctuation range of ±0.1℃ to ±0.5℃ from the target temperature.
FeaturesHigh Precision and Dynamic Response: The PLC supports more than 9 sets of segmented PID temperature control, with coordinated dual PID control for heating and cooling. The temperature control accuracy can reach ±0.1℃ (±0.05℃ for ultra-high precision models), featuring fast heating and cooling rates. It is suitable for the non-linear and large-lag characteristics of polymerization reactions, preventing "runaway polymerization" or "stagnant reactor".
Process Flexibility and Automation: Multiple sets of polymerization process curves (such as stepped heating, constant temperature holding, and programmed cooling) can be edited and stored via the touch screen. It supports one-click start and unmanned operation for batch production, reducing manual intervention and improving batch stability.
Intelligent Operation & Maintenance and Data-driven Management: Integrated with fault self-diagnosis (e.g., sensor abnormality, medium leakage, compressor overload), remote monitoring (RS485/Ethernet) and data logging (temperature, pressure, power, etc.), it supports connection with the MES system to meet the requirements of compliance and process optimization.
Safety Redundancy Design: Equipped with three-level protection including dual-circuit power supply, overpressure relief valve, multi-point temperature monitoring, and high-low temperature interlock shutdown, it is suitable for high-pressure and flammable chemical environments. Some models adopt a magnetic pump + plate heat exchanger combination to eliminate the risk of heat transfer medium leakage.
Energy Saving and Modularization: The heat recovery system can reuse waste heat from refrigeration for low-temperature compensation, achieving energy saving of more than 30%. The modular design facilitates later maintenance and upgrading, adapting to flexible production of multiple varieties and small batches.
Q1:Unable to Reach the Set Temperature
A1:This may be caused by refrigerant leakage, compressor failure, or blockage in the circulation system. It is necessary to check if the refrigerant is sufficient, repair the leakage point and recharge the refrigerant; inspect the status of the compressor and perform maintenance or replacement if needed; clean the circulation system to eliminate blockages.
Q2:Abnormal noise from the water pump or failure to operate normally.
A2:Inspect the condition of the water pump impellers and bearings; replace them if damaged. Check whether the motor connections are in good condition and ensure the power supply is normal.
Q3:Slow Heating/Cooling Rate
A3:Ensure the heater/cooler is functioning properly; it may be necessary to replace the electric heating element or refrigeration element. Check if the heat exchanger is blocked or contaminated—cleaning the heat exchanger can restore its performance. Ensure the refrigerant circulates smoothly; it may be required to inspect and clean the refrigerant pipelines.
Q4:Can you provide OEM or customized solutions?
A4: Yes, we offer OEM service and tailor-made temperature control systems according to your specific process requirements (temperature range, medium, cooling capacity, etc.).
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IPv6 network supported
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