2results about How to "No electricity" patented technology

This invention discloses a differential pressure automatic jacketing device, comprising a cylinder with a power cylinder head connected to the top of the cylinder; a hollow piston rod is disposed inside the cylinder, with a power cylinder piston and reversing device connected to one end of the hollow piston rod near the power cylinder head, and a jacketing cylinder piston connected to the other end of the hollow piston rod; a jacketing cylinder head is connected to the bottom of the cylinder; a separation sleeve between the power cylinder and the drain / jacketing cylinder, and a separation sleeve between the drain / jacketing cylinder and the jacketing cylinder are sleeved on the outer wall of the hollow piston rod, the separation sleeve between the power cylinder and the drain / jacketing cylinder being fixed to the inner wall of the cylinder by a first positioning pin; the separation sleeve between the drain / jacketing cylinder and the jacketing cylinder being fixed to the inner wall of the cylinder by a second positioning pin; the cylinder also has a power fluid inlet, a power fluid and jacketing gas outlet, and an air inlet, the air inlet being connected to the jacketing cylinder head via a pipe. This differential pressure automatic jacketing device can efficiently draw jacketing gas from the annulus and discharge it into the production pipeline, is safe and effective, and is convenient to install and maintain.

The utility model provides a sunlight guide-in mildew-inhibiting deinsectization lighting system for a grain storage facility, which is characterized in that a sunlight guide-in device is arranged on the top surface outside the grain storage facility and is used for guiding sunlight into the grain storage facility, and the sunlight guide-in device keeps ultraviolet rays in the sunlight to the greatest extent and isolates infrared rays which can bring heat, so that the sunlight can be guided into the grain storage facility. Long-time natural sunlight is utilized, safe, environment-friendly and energy-saving in-bin lighting with mildew inhibition, deinsectization and energy conservation is achieved, and the system is further provided with a quick release module used for supplementary lighting and ultraviolet disinfection. Auxiliary lighting in cloudy and rainy days and at night is realized by utilizing a light guide system, and high-intensity ultraviolet centralized disinfection can be implemented according to needs. According to the utility model, cables do not need to be arranged in the granary, the safety requirement of'dust explosion-proof 20 areas' in the granary is completely met, and the device has wide application prospect in the grain storage and transportation industry.