3 results about "Cascade impactor" patented technology

The application provides a stacking type impact crushing device and a high-energy crusher comprising the device, relates to the field of concrete pavement repairing and constructing machinery, and comprises a frame body, a crushing device, a stacking device and a pulling body. The frame body is provided with a first lifting assembly; the crushing device is slidingly arranged in the frame body; the stacking device comprises a lifting frame, a second lifting assembly and a lifting wheel assembly, the lifting frame is slidingly installed on the frame body and fixedly connected with a first movable end of the first lifting assembly, the second lifting assembly is fixedly installed on the lifting frame, and the lifting wheel assembly is fixedly installed on the top of a second movable end of the second lifting assembly; one end of the pulling body is fixedly connected with the crushing device, and the other end is slidingly arranged around the lifting wheel assembly and fixedly connected with the frame body; wherein the crushing device and the stacking device slide in the frame body along the vertical direction. The application utilizes the principle of a movable pulley to make the crushing device obtain greater gravitational potential energy in a short time and be quickly released, so that the working efficiency is greatly improved.

The invention discloses a porous nickel filling type high-dust-holding cascade impactor and a filtering method, and relates to the field of industrial production and scientific research. The problems that in the prior art, an inertial impactor still has many technical bottlenecks in practical application, and it is difficult to consider multi-scene adaptability and core performance indexes are solved. The porous nickel filling type high-dust-holding cascade impactor comprises an upper cover, a multi-stage seam plate, a multi-stage collecting plate and a filter material frame, aerosol enters from an inlet of the upper cover, sequentially passes through the multi-stage seam plate and the multi-stage collecting plate to complete filtering and collecting of aerosol particles with different particle sizes, and finally flows out from an outlet of the filter material frame; when the impactor works and aerosol passes through a narrow channel of the multi-stage slit plate, the aerosol deviates from an airflow track and impacts on the multi-stage collection plate filled with porous nickel by utilizing the inertia effect of particulate matters in air flow, so that high-dust-holding particulate matter trapping is realized. And the device is also suitable for different types of aerosol trapping scenes such as aerosol filtration and collection of nuclear power plants, biological aerosol sampling and the like.

This invention relates to a differential pressure monitoring and early warning device and method for a porous nickel-filled cascade impactor, belonging to the technical field of aerosol inertial classification and capture equipment. To address the difficulty in achieving online monitoring, visual display, and dust full warning for each stage of differential pressure in porous nickel-filled cascade impactors, this invention utilizes a differential pressure tapping channel, a slider-type pressure measuring component, a push rod transmission component, a three-color indicator block, a visual observation window, and a mechanical self-locking latch to achieve porous nickel block status monitoring and dust full warning. It is applicable to fields such as radioactive aerosol monitoring, ambient air detection, and particulate matter inertial classification and capture.