Jiangsu Haifa Machinery Manufacturing Co., Ltd.

In the catalytic unit area of Guangdong Petrochemical, the circulating oil slurry pump is one of the core equipment for the continuous and stable operation of the fluid catalytic cracking (FCC) unit, known as the "lifeline pump" of the unit's operation. The FCC unit operates under complex conditions, with high-temperature media containing catalyst particles and strong abrasiveness, imposing extremely high requirements on the pump's resistance to high temperature, wear, erosion, and long-term stable operation. Once the circulating oil slurry pump fails, it not only affects the stability of the oil slurry circulation and heat exchange system but may also cause fluctuations in unit load, potentially impacting the safe production of the entire FCC unit.

The circulating oil slurry pump primarily undertakes the continuous transportation of high-temperature oil slurry, and its operating status directly affects the balance of the reaction-regeneration system, fractionation system, and heat exchange system. Given the characteristics of the oil slurry medium—high temperature, high solid content, and susceptibility to coking—the pump design should focus on anti-clogging hydraulic channels, wear-resistant flow components, reliable shaft seal systems, and adequate bearing lubrication and cooling capacity. Key components such as the pump casing, impeller, and wear rings should be made of wear- and corrosion-resistant materials suitable for high-temperature oil slurry conditions. The mechanical seal system should also be equipped with appropriate flushing, cooling, or isolation schemes to reduce the impact of coking and wear on seal life.

For large-scale refining-integration projects like Guangdong Petrochemical, the stable operation of the circulating oil slurry pump not only reflects the level of equipment manufacturing but also relates to the unit's long-term operational capability. By optimizing pump type structures, improving material configurations, and strengthening seal and bearing system designs, equipment reliability can be effectively enhanced, unplanned shutdowns reduced, and a solid guarantee provided for the safe, stable, and efficient operation of the FCC unit.

Jiangsu Haifa Machinery Manufacturing Co., Ltd was restructured from Jiangsu Ligong Group Co., Ltd., originally founded in 1958, and the Jingjiang Stainless Steel Pump and Valve Factory of the Iron and Steel Research Institute of the Ministry of Metallurgical Industry. It mainly produces API610 chemical process pumps—OH1 pumps, OH2 pumps, OH3 pumps, OH4 pumps, BB1 pumps, BB2 pumps, BB3, BB4, BB5 multistage pumps, VS1, VS4, VS5, VS6 barrel-type pumps, HES-type chemical process, chemical pumps, petrochemical pumps, sixth-generation ultra-low carbon stainless steel high-quality leak-proof molten urea pumps, urea hydrolyzer feed pumps, high-temperature asphalt pumps, Pitot tube pumps, rotary jet pumps, low-flow high-head pumps, multistage vortex pumps, high-temperature salt pumps, high-temperature nitric acid pumps, vertical submerged pumps, magnetic drive pumps, low-temperature liquid hydrogen and methanol pumps, high-pressure liquid hydrogen pumps, high-temperature nitric acid magnetic drive pumps, magnetic drive pumps for solid-containing media, industrial pumps, boiler circulating pumps, canned motor pumps, slurry pumps, titanium tetrachloride pumps, self-priming pumps, lined fluorine pumps, clamped lined fluorine pumps, leak-proof pumps, desulfurization and denitrification pumps, alkali pumps, pumps, geothermal pumps, oil pumps, axial flow pumps, printing and dyeing pumps, dyeing and finishing pumps, Ti alloy pumps, C-276 material, Hastelloy, 316L, forced circulation pumps, fourth-generation nuclear pumps, nuclear island pumps, filter press-specific pumps, refrigerant pumps, long-shaft vertical submerged pumps, CQC first-level energy efficiency chemical pumps, high-pressure descaling industrial pumps, and Chinese chemical pumps. www.jslgpump.com  Contact number: 13905263417  E-mail: jslgpump@gmail.com  E-mail: jsareva@.com