2results about How to "Stop shock" patented technology

The utility model discloses a kind of parallel recovery devices of proton exchange membrane fuel cell engine hydrogen system, comprising: outer shell, the outer shell top is equipped with opening and detachable protective cover, the inside of the outer shell is equipped with first installation box and second installation box arranged side by side, the utility model uses parallel dryer group to process electric pile tail gas, significantly improves drying efficiency and system stability. Two dryers work synchronously, double the water absorption capacity, cope with high-humidity large-flow condition;More provide operation redundancy, when single dryer saturation, another can still maintain operation, guarantee reliability. The middle section of the curved pipe connecting two dryers is embedded with a ball tube buffer cavity, when system pressure fluctuation may cause siphon, gas in the cavity forms a physical barrier, effectively prevents gas reflux impact on the stack, protects the safety of core components.

This utility model relates to the field of mechanical seal technology, specifically a mechanical seal device with anti-shaft movement, interference resistance, and self-regulating temperature control. It includes a heat exchange inner sleeve, a shaft sleeve, rotating ring A, rotating ring B, two stationary rings, a sealing gland, a spring, a spring seat, a push ring, a transmission key, a standard transmission pin A, a clamping mechanism, and an O-ring assembly. The clamping mechanism consists of clamping disc A, a clamping ring, and clamping disc B. The distance between the two sealing rings remains constant, and the thrust on the end face of the sealing friction ring remains constant. Unaffected by pump shaft movement, the front moving and stationary rings do not require sealing, serving to block liquid flow impact and fluctuations. This ensures the safe and stable operation of the sealing rings, guaranteeing satisfactory performance and ideal service life of the mechanical seal during deep peak-shaving operation of the unit.