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- Energy storage hydraulic control system with reliable energy monitoring
- Energy storage high-flow hydraulic forming system
- High-precision digital servo synchronous actuation system
- Energy storage high-flow electro-hydraulic servo test system
- Energy storage, large flow compensation and balance hydraulic control system
- High-frequency fatigue testing system
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- Product
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Solution
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Energy storage hydraulic control system with reliable energy monitoring
- Energy storage high-flow power source start-up system
- Energy-saving electro-hydraulic control system
- Hydro-controlled system of electric furnace energy storage device power source
- Emergency control high-pressure accumulator power source for valves
- Governor energy storage power source electro-hydraulic control system
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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
- High-frequency fatigue testing system
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Energy storage hydraulic control system with reliable energy monitoring
- Service
- Calculation
Is a bladder-type accumulator suitable for use in series with gas cylinders or cylinder banks?
1. Diaphragms typically have a shorter service life (compared to piston-type designs), and their quality varies significantly across different brands.
2. Many factors can shorten the diaphragm’s service life and lead to rupture, including variations in the diaphragm’s intrinsic quality and lifespan, improper handling during assembly (such as failure to pre‑fill with fluid for lubrication), incorrect procedures during pre‑inflation (e.g., insufficiently slow inflation), errors in calculating the pre‑inflation 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 diaphragm and check valves during operation, significant temperature fluctuations (including large seasonal temperature differences), prolonged lateral vibration, fluid‑induced corrosion, and inertial impacts from minute solid impurities in the working medium, among others.
3. When the bladder ruptures, the accumulator may fail suddenly, while the reservoir may experience oil spray and gas explosion, leading to system failures or losses due to repairs and shutdowns.
4. The bladder should not be made too large, as this would reduce its service life; under the U.S. ASME standard, the maximum capacity is typically 60 liters.
5. Operating pressure should not be excessively high; in China, the maximum allowable pressure is typically 31.5 MPa (with a safety factor of 3 or greater), while bladder-type accumulators are rated at 51.8 MPa (with a safety factor of 4).
6. When fluid is rapidly released, the poppet valve of a bladder-type accumulator may close prematurely, causing the accumulator to temporarily fail suddenly.
7. Since the bladder is made of rubber, it has relatively low strength and cannot withstand significant pressure fluctuations (note the bladder’s compression ratio); excessive pressure variations will substantially shorten its service life.
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Address: Building 39B, Floor 1, No. 16, Huanke Zhong Road, Tongzhou Park, Zhongguancun Science and Technology Park, Tongzhou District, Beijing
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Schwerll Fluid Control (Beijing) Co., Ltd.
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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