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Energy storage high-flow hydraulic forming system
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High-precision digital servo synchronous actuation system
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Energy storage high-flow electro-hydraulic servo test system
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Energy storage, large flow compensation and balance hydraulic control system
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Energy storage hydraulic control system with reliable energy monitoring
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Accumulator-powered source for the leveling system
Published Time:
2024-12-30 18:15
Category:
Solution
Energy-Storage High-Flow Compensation and Balanced Hydraulic Control System
Accumulator system for platform leveling
Leveling system using accumulator power source
Offshore platforms experience oscillations due to wind, waves, and other environmental factors. Similarly, during operations such as jacking systems, offshore wind‑farm installations, ship positioning, and the stabilization of large equipment, uneven external forces or non‑uniform load resistance, along with inconsistencies in mechanical transmission accuracy, can necessitate leveling. By employing accumulators to buffer, absorb, and release pressure fluctuations, pressure imbalances can be mitigated; further, real‑time servo‑controlled flow feedback enables highly precise leveling performance.
The leveling system employs either an active leveling mechanism, a passive leveling mechanism, or a combination of both. When the load requiring leveling is substantial, an accumulator‑based power‑supply unit is typically used; and when high system reliability is required, piston‑type accumulators are generally selected. To reduce costs, the system comprises accumulators together with multiple sets of standby fixed‑type pressure vessels.
The volume and distribution of the accumulator power source in the leveling system are typically determined based on the operating conditions and performance parameters. When performing calculations and configuring the system, please consult our engineers.
schwerlltec@schwerll.com.cn
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What are the causes of severe pressure drop and shortened service life in bladder-type accumulators?
What are the causes of severe pressure drop and short service life in bladder-type accumulators? The structure of a bladder-type accumulator is quite simple, consisting mainly of an oil chamber surrounding the bladder and a gas chamber equipped with a gas‑tight seal. During operation, the hydraulic fluid must be connected to the hydraulic circuit; when the system pressure rises, the fluid flows into the accumulator, compressing the gas until the pressure in the system pipeline stabilizes.
How can we reduce failures when an accumulator malfunctions?
If an accumulator malfunctions, its performance will be directly affected, potentially leading to abnormal pressures and system failure. Therefore, it should receive close attention during routine operation, and appropriate measures must be implemented to mitigate risks. So, how can we minimize failures when an accumulator malfunctions? The following sections address this issue.
Accumulators are intriguing components in hydraulic systems, analogous to capacitors in electrical circuits or springs in mechanical systems. As critical energy‑storage elements, they serve a variety of sophisticated functions, including hybrid‑power applications, shock absorption, pressure stabilization (and sometimes flow‑rate regulation), and the rapid release of stored energy to simulate impacts.
Is a bladder-type accumulator suitable for use in series with gas cylinders or cylinder banks?
1. Bladders typically have a shorter service life than piston‑type accumulators, and their quality varies significantly among different manufacturers. 2. Many factors can shorten a bladder’s lifespan and lead to rupture, including variations in the bladder’s intrinsic quality and durability; improper handling during assembly (e.g., failure to pre‑fill with fluid for lubrication); incorrect procedures during pre‑charging (e.g., insufficiently slow inflation); errors in calculating the pre‑charge pressure; oil‑port flow velocities approaching or exceeding 7 m/s; single‑stroke reciprocation times of 10 seconds or less when used for energy storage; collisions between the bladder and check valves during operation; large temperature fluctuations (including significant seasonal differences); prolonged lateral vibration; fluid‑induced corrosion; and inertial impacts from minute solid contaminants in the working medium, among others.
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