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58results about How to "Improve material efficiency" patented technology

Application method and device for cold field plasma discharge assisted high energy ball milled powder

The present invention provides an application method for cold field plasma discharge assisted high energy ball milled powder and a plasma assisted high energy ball milling device using the method for cold field plasma high energy ball milled powder. The present invention generates plasma by using dielectric barrier discharge and introducing a dielectric barrier discharge electrode bar into a high-speed vibrating ball milling tank, which requires that, on one hand, a solid insulation medium on the outer layer of the electrode bar can simultaneously bear high-voltage discharge and mechanical shock failure of the grinding ball, and on the other hand, the high-speed vibrating ball milling device can uniformly process the powder. Based on the ordinary ball milling technology, the discharge space pressure is set to a non-thermal equilibrium discharge state with a pressure of about 102 to 106 Pa, discharge plasmas are introduced to input another kind of effective energy to the processed powder, so as to accelerate refinement of the powder to be processed and promote the alloying process under the combined action of the mechanical stress effect and the thermal effect of the external electric field, thereby greatly improving the processing efficiency and the effect of the ball mill.
Owner:SOUTH CHINA UNIV OF TECH

Three-Degree-of-Freedom Hybrid Vibratory Screening Mechanism, Control Method Thereof, and Harvester

ActiveUS20210402437A1Material efficiency be improveDecrease in rate of lossSievingScreeningReciprocating motionControl engineering
The present invention provides a three-degree-of-freedom hybrid vibratory screening mechanism, a control method thereof, and a harvester. The three-degree-of-freedom hybrid vibratory screening mechanism comprises a frame, a vibrating screen, a first driving mechanism, a second driving mechanism, sensors and a controller; parallel drive of hydraulic motors are used for achieving two-degree-of-freedom rotational adjustment of the horizontal attitude angle and inclination angle of the screen surface of the vibrating screen, and the first driving mechanism drives the vibrating screen to reciprocate in one degree of freedom, so as to realize three-degree-of-freedom vibration adjustment of the screen surface; a vibration parameter control model is established by means of theoretical analysis in combination with experiment. In the operating process, the sensors installed at the tail part of the vibrating screen monitor the loss rate and distribution of the grains in real time, and the horizontal attitude angle of the screen surface, inclination angle of the screen surface and vibration frequency are self-adaptively optimized and adjusted to promote uniform and discrete distribution of the material on the screen surface, so that the screening efficiency of the material under a condition of non-uniform material feeding is effectively improved and the loss rate of the grains is decreased.
Owner:JIANGSU UNIV
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