Jiangsu Haifa Machinery Manufacturing Co., Ltd.

Recently, the Jixi Base Lugu DC 1.4 Million kW Power Transmission Project's 2-1 Solar Thermal 100MW Tower-Type Solar Thermal Power Station reached a key milestone. The core phase—the molten salt tower heating and salt-making operation—was successfully completed in a single attempt, marking the full completion of all system commissioning work and laying a solid foundation for subsequent grid-connected power generation.

Tower-type solar thermal power generation is an important technical route in the new energy sector. Its core principle involves using heliostats to concentrate solar energy onto a receiver at the top of the tower, then utilizing high-temperature molten salt for heat storage to achieve stable power generation. Among these processes, the molten salt tower heating and salt-making operation is one of the most technically challenging and risk-control-demanding key procedures in the entire system. operation requires transporting binary nitrate molten salt, with a freezing point exceeding 220°C, precisely to the tower-top receiver via molten salt pumps and pipelines along a hundred-meter-high tower for heating. Throughout the process, temperature, pressure, and flow rate must remain stable. Any drop in temperature, abnormal flow rate, or localized cold spots in the pipelines could lead to molten salt solidification, blockage, or even leakage, posing severe tests to equipment, pipelines, valves, and the control system.

To a one-time success, the project team thorough preparations in advance, optimized pipeline heat tracing and insulation plans, and completed full-system simulation drills and risk assessments. During the commissioning phase, the team strictly controlled the molten salt heating rate, verified the operational stability of Haifa molten salt pumps, valves, instruments, and control systems in stages, and arranged 24-hour shift monitoring to track key data such as temperature, pressure, liquid level, and flow rate in real time, ensuring precise execution of every operational command.

This molten salt tower heating and salt-making operation achieved zero errors and zero failures, fully demonstrating the project team's comprehensive capabilities in high-temperature molten salt system commissioning equipment coordination control, and safety management. As the solar thermal power station gradually enters the grid-connection phase, Haifa molten salt pumps high-temperature valves, and intelligent control systems will play an important role in stable new energy power supply and storage peak shaving.

Jiangsu Haifa Machinery Manufacturing Co., Ltd. was restructured from the Jingjiang Stainless Steel Pump and Valve Factory of the Steel Research Institute under the Ministry of Metallurgical Industry, Jiangsu Ligong Group Co., Ltd., established in 1958. It primarily produces API610 chemical process pumps—OH1, OH2, OH3, OH4 pumps, BB1, BB2,3, BB4, BB5 multistage pumps,1, VS4, VS5, VS6 barrel casing pumps, HES-type chemical process pumps, 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, molten salt pumps, vertical sump 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 conveying solid-containing media, industrial pumps, canned motor pumps, slurry pumps, titanium tetrachloride pumps, strong self-priming pumps, fluoroplastic-lined pumps, sandwich fluoroplastic-lined 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, special pumps for filter presses, refrigerant pumps, long-shaft vertical sump pumps, CQC first-level energy chemical pumps, high-pressure descaling industrial pumps, and Chinese chemical pumps. www.jslgpump.com Contact: 13905263417 E-mail: jslgpump@gmail.com-mail: jsareva@163.com