2results about How to "Improves airflow uniformity" patented technology

The utility model discloses a kind of high-efficiency catalyst material grading equipment, it is related to catalyst material processing technical field.The utility model includes equipment frame, and grading box is movably connected in the equipment frame inner chamber, and grading box one side is equipped with discharge port.The utility model is equipped with discharge assembly, using the linkage structure of slide bar, receiving block, sealing plate and extruding block, the automatic switching of grading box between screening and discharging state is realized, when screening, spring pushes receiving block to make sealing plate tightly clamped discharge port, ensure sealing, after screening is completed, cylinder drives grading box to rotate, extruding block compreses receiving block to drive sealing plate to separate discharge port, realize automatic discharge, this design cleverly uses equipment self-motion as power source, without additional driving device, both solve the problem of material leakage in traditional vibrating screening, and also ensure the accurate opening and closing of discharge port through mechanical linkage, significantly improve material recovery rate and equipment reliability.

The utility model discloses a kind of filter elements of self-suction filter type anti-particle respirator, belong to dust respirator technical field, including bottom shell, fixedly arranged in the three-dimensional filter assembly of the bottom shell inside and the upper cover buckled in the top of the bottom shell, the outside of the bottom shell is provided with filter material renewal assembly, electrostatic filter paper is provided between the three-dimensional filter assembly and the upper cover, the both ends of the electrostatic filter paper protrude the gap between the upper cover and the bottom shell and connect on the filter material renewal assembly.The utility model is through the surface filter paper and three-dimensional flow guide structure of renewability, synchronously conquers the double bottleneck of material waste and insufficient air permeability in prior art, while having use comfort along with guaranteeing protection performance.