Shandong Sinovis EP Tech Co., Ltd Quality Control

Approaches and methods for quality control in chemical production

     In order to ensure product quality, chemical enterprises need to strengthen quality control to meet the needs of customers and the market. The production quality control of curing agents and other products includes raw material control, process control, and product inspection during the production process.

1. Raw material control

    The quality of chemical products is directly constrained by the quality of raw materials, therefore strict raw material control is crucial. Firstly, it is necessary to determine the source of raw materials and conduct qualification audits and evaluations of suppliers. When selecting raw materials, it is necessary to consider factors such as quality, price, and service life, and make detailed records.

   Secondly, different control plans should be developed for different types of raw materials, such as for flammable products, ensuring their safety during storage and use. For easily oxidizable raw materials, control measures such as sealing, moisture-proof, and ventilation should be taken. At the same time, it is also necessary to establish reasonable quality inspection standards to ensure that the quality of raw materials meets the standards.

2. Process control

     The process control in the chemical production process is the key to ensuring product quality, as the stability and accuracy of process parameters directly affect the yield and quality of products. Therefore, it is necessary to strictly control and monitor the process flow. The main process control methods include the following aspects:

(1) Cleaning and disinfection: Before the process begins, production equipment and pipelines should be cleaned and disinfected to kill potential bacteria and viruses and ensure the hygiene and health of the production process.

(2) Stability test: By conducting stability tests on production equipment and pipelines, one can confirm their reliability and accuracy, thereby ensuring the accuracy and quality stability of product preparation.

(3) Pressure and temperature control: As chemical production involves complex processes such as high temperature and high pressure, it is necessary to ensure precise control of equipment, pressure, and temperature to ensure product quality and safety.

(4) Preparation in advance: Before the start of finished product production, it is necessary to release heat and purify in advance to eliminate components that may affect quality, in order to achieve a more accurate combination of substances.

3. Product inspection

    Product inspection is an important means for chemical enterprises to ensure product quality. Through strict inspection methods, product problems can be identified and promptly rectified. The conventional inspection methods include the following points:

(1) Scale balance: Use instruments and calculation programs with higher accuracy and sensitivity to ensure the accuracy of weight and quality.

(2) Ratio test: For products that require precise ratios, use specific product design quantification to ensure the correct combination of ratios.

(3) Control sample comparison: Introduce both calibration and test samples into a certain equipment for testing, compare the properties and characteristics of the samples to determine whether the product meets the standards.

(4) Combining experience and analysis: Combining experiential knowledge with physical analysis, combining analysis and judgment under different physical conditions, and making different judgment conclusions for different physical attributes.

    In short, in order to ensure product quality, enterprises must make efforts in raw material control, process control, and product inspection. By establishing strict standards, implementing refined production management, optimizing the structure of passenger or metallurgical equipment, and selecting appropriate testing methods, product quality and market competitiveness can be effectively improved.