Use: It has a good dispersion effect on insoluble suspended matter (such as catalyst powder) in the oil slurry of catalytic cracking unit, and prevents it from condensing and settling.

Principle of slurry scale inhibitor

First, the principle of action

Slurry scale inhibitor is a chemical agent specially used to solve the scale inhibitor problem encountered in the process of oil drilling and production. By adding a certain proportion of scale inhibitor, the friction in the pipeline can be reduced, the flow rate of the pipeline can be increased, and the output of the oil well can be increased. Scale inhibitors can be divided into organic and inorganic types. The organic scale inhibitor mainly prevents the scale formed by the crystallization and precipitation of metal ions such as calcium and magnesium ions in the water on the pipe wall and the surface of the equipment, and plays the role of scale inhibition; The inorganic scale inhibitor can inhibit the scale formed by precipitation by changing the activity of ions in water.

Ii. Composition

The main components of slurry scale inhibitor are organic hydroxyl compounds, silicates, phosphates, polyethers and so on. Among them, the organic hydroxyl compound is a surfactant, which can produce a uniform microemulsion in water, which can disperse crystals and prevent scale accumulation. Silicate is mainly used as a corrosion inhibitor, which can prevent the corrosion of the scale inhibitor to the pipeline. Phosphate mainly plays a complexing role, which can stabilize polyvalent metal ions and prevent them from becoming the core of scale inhibition.

Third, use method

The use of slurry scale inhibitor is relatively simple, first of all, it is necessary to add an appropriate amount of scale inhibitor in the drilling or production process, and adjust the dosage according to the length of the pipeline and the ion content in the water. In general, the amount of scale inhibitor incorporation is about 0.1% to 0.3% of the water. Next, the inside of the pipe should be thoroughly rinsed with water so that the scale inhibitor can be evenly dispersed in the water. During use, the scale inhibitor can be added regularly or injected continuously as needed.

In general, slurry scale inhibitor is a kind of chemical agent with the characteristics of high efficiency, safety and convenience. It has a wide range of applications and plays an increasingly important role in the petroleum industry. Therefore, we need to further research and develop more efficient scale inhibitors to meet the needs of the petroleum industry.
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