In the wave of booming development of the modern chemical industry, instrumentation is like a hidden behind the scenes but control the overall situation of the “black hand”, deeply embedded in every muscle of chemical production, to become the key to ensure smooth production, product quality and personnel safety.
Raw material procurement and pretreatment link
Infrared spectrometer, a commonly used analytical instrument, features a compact size and excellent performance. It profiles the composition of raw materials. Atomic absorption spectrophotometer accurately detects the purity of main components and trace impurities in raw materials. For example, in the production of high-quality plastics, it tests ethylene, propylene and other monomer raw materials. So, to ensure they meet the process standards, providing quality assurance for subsequent reactions.
Chemical reaction stage
Thermistor thermometers in temperature control systems are rugged and easy to use, with an accuracy of ±0.2°C. They tightly fit the outer walls of reactors and piping to sense temperature changes. Strain gauge pressure sensors and capacitive pressure sensors, such as Siemens SITRANS P series strain gauge pressure sensors. It can monitor the pressure of the reaction system in real time and link with automated control devices. And it can ensure that the reaction is carried out in a safe and efficient pressure environment.
In flow meters, electromagnetic flow meters and Emerson's Micro Motion mass flow meters can finely regulate the input flow of raw materials based on the material ratio. This way, they ensure the orderly progress of chemical reactions.
Product Refining
Gas chromatographs and liquid chromatographs use their powerful separation and analytical capabilities to deeply “screen” various components in crude products. They determine product purity and accurately locate impurities. In the pharmaceutical and chemical fields, from the synthesis of raw materials to the preparation of finished products, each step of purification and refinement needs chromatographs. We must control the content of impurities at a very low level to produce safe and efficient medicines that meet pharmaceutical standards.
Chemical safety production link
Combustible gas alarms and toxic gas detectors play a crucial role as safeguards in chemical production safety. Workers can widely place combustible gas and toxic gas detectors in the workshop to monitor dangerous gases in the air non-stop for 24 hours. Once the gas concentration exceeds the standard, these detectors will immediately trigger an alarm. And workers will link with ventilation systems, emergency cut-off devices and other safety equipment to cut down the accident risk.
Conclusion
Instrumentation permeates the chemical industry in all aspects, they are the “intelligent brain” of production, the “loyal guard” of quality, and the “guardian angel” of safety. With the continuous progress of science and technology, instrumentation continues to innovate and upgrade, will certainly boost the chemical industry towards a more highly sophisticated, greener and safer future strides, and continue to write a magnificent chapter in the development of the industry.
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