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High-pressure hydraulically controlled system with a piston accumulator for the inlet valve

Hydraulic Control System for the Accumulator Power Source in EAF/LF Electric Arc Furnace Steelmaking

In the liquid‑control system of electric‑arc furnace steelmaking, a piston‑type accumulator bank is configured under normal operating conditions to provide pressure stabilization and ensure smooth system performance. When abnormal operating conditions occur, the energy stored in the piston accumulators supplies the necessary power to sustain the entire steel‑tapping process.

2024

Energy-Saving System for the Converter Tilting Energy Storage Power Source

The tilting of the steelmaking converter’s skirt requires substantial installed power. Employing a piston‑type accumulator system as the power source for this operation can effectively reduce the required installed capacity. Moreover, the accumulator serves as a pressure‑stabilizing and emergency actuation source for ladle movements, thereby enhancing the overall hydraulic control system’s motion smoothness, improving energy efficiency, and providing backup power to prevent production losses in the event of power outages or other abnormal conditions.

2024

Piston-type high-pressure hydraulically controlled system for turbine governors

Hydraulic pressure units for hydropower, water‑conservation, and pumped‑storage control systems are power‑supply devices that deliver pressurized oil to the governor systems of hydroelectric turbines. With the maturation and widespread adoption of new technologies and improved operating conditions, an increasing number of hydropower and pumped‑storage projects worldwide have recently begun to employ high‑pressure piston‑type hydraulic control systems operating at pressures exceeding 10 MPa, up to 20 MPa or higher. Such high‑pressure systems enable long‑term, maintenance‑free operation while delivering energy savings, environmental cleanliness, and other smart‑operation benefits. Their advantages are particularly pronounced in power‑generation applications involving large head differences.

2024

Piston-type high-pressure hydraulic control system for the intake gate of a hydropower station

The hydrosystem that provides the water flow with potential energy required for power generation by a turbine unit is characterized by fluctuating flow rates and real-time variations in flow velocity. Prior to the turbine, an inlet valve system is typically installed to control the on/off operation of the water supply; such systems commonly employ ball valves and butterfly valves actuated by servomotors. These control schemes demand high reliability and must meet stringent emergency‑shut‑off requirements under fault conditions. A Westerwell high‑pressure piston accumulator system equipped with an energy‑monitoring subsystem represents an ideal solution for inlet valve control.

2024

Hydraulic Control System of the Accumulator for Emergency Operation of High-Voltage Circuit Breakers

In long-distance high-voltage transmission and transformation systems, substations typically install main circuit breakers as control nodes for disconnecting and reconnecting during power delivery. Such control demands high reliability and rapid emergency shutdown in fault conditions. A high‑pressure piston‑type accumulator system equipped with an energy‑monitoring subsystem represents the optimal solution for electro‑hydraulic actuation of circuit breakers. System volume is usually sized with a three‑fold safety margin to accommodate switching operations, while the energy‑monitoring system ensures stringent reliability requirements. Employing a three‑stroke accumulator volume not only meets emergency‑shutdown needs but also enables black‑start capability after maintenance.

2024

Emergency Control High-Pressure Electro-Hydraulic Control System for Chemical Valves

Large-scale chemical‑process valves demand high reliability and emergency shut‑off under fault conditions. A high‑pressure piston accumulator system equipped with an energy‑monitoring subsystem represents the optimal solution for electro‑hydraulic valve actuation. Typically, the system’s volume is sized with a three‑fold safety margin to accommodate both open and closed positions, while the energy‑monitoring system ensures compliance with stringent reliability requirements. Employing a three‑stroke accumulator design not only meets emergency shut‑off criteria but also supports black‑start capability.

2024

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Schwerll Fluid Control (Beijing) Co., Ltd.

Mobile: 0086 18201267391

Email: schwerlltec@schwerll.com.cn

Address: Building 39B, Floor 1, No. 16, Huanke Zhong Road, Tongzhou Park, Zhongguancun Science and Technology Park, Tongzhou District, Beijing

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