The Red Stone Project in South Africa has been shipped successfully.

Release Date:

2023-02-23

The 100 MW Redstone solar‑thermal power plant in South Africa is located in the Northern Cape Province and benefits from abundant solar irradiance. Upon commissioning, the project is expected to deliver approximately 480 GWh of electricity annually to the grid, providing a reliable power supply to more than 200,000 households across South Africa.

The 100 MW red‑stone tower‑type concentrated solar power plant in South Africa is located in the Northern Cape Province and benefits from abundant solar irradiance. Upon commissioning, the project is expected to deliver approximately 480 GWh of electricity annually to the grid, providing a reliable power supply to more than 200,000 households across South Africa.

Our company supplied desalination tanks, deaerators, feedwater heaters, and pre‑startup heaters to Shandong Electric Power Construction No. 3 Engineering Co., Ltd. for this project; these units are ASME‑certified products.

Desalination tank

The molten-salt storage tank is used in concentrating solar power projects to store molten salt temporarily, maintaining its temperature within a specified range before pumping it into the molten-salt system.

Deaerator

The primary function of the deaerator is to remove dissolved oxygen from the feedwater, thereby ensuring its quality. When oxygen is dissolved in water, it can cause corrosion of metals in contact with the water; moreover, in heat exchangers, the accumulation of gases can impede heat transfer and reduce the equipment’s thermal efficiency. Consequently, the presence of any dissolved gas in the water is undesirable, particularly oxygen, which poses a direct threat to the safe operation of the equipment. The deaerator also serves as a mixed‑type heater within the feedwater regenerative system. Additionally, condensate from high‑pressure heaters, chemically treated makeup water, and condensate of acceptable quality from various plant locations, along with vented steam, can all be routed to the deaerator for collection and utilization, thus minimizing steam–water losses in the power plant.

Heater

The economizer or feedwater heater (also known as a high-pressure heater, or HP heater for short) is a device that uses extracted steam from the steam turbine to heat and recover boiler feedwater. It can improve the thermal efficiency of a power plant, reduce fuel consumption, and contribute to the safe operation of the unit.

Uzbekistan Syr Darya 1,500 MW Gas-Fired Combined-Cycle Independent Power Plant Project

Valmet has successfully delivered a key pulp‑making technology project to Nine Dragons Paper’s new Beihai plant.

Blog