44results about How to "Improve winnowing efficiency" patented technology

The invention provides a combine harvester. A feeding port is formed in the middle of a frame, so that a connecting port between a crop conveying structure communicated with the feeding port and a header is located at the position, close to the middle, of the header, and crops are fed into the connecting port from the two sides of the header more evenly; and meanwhile, a scattering structure is arranged close to a grain storage assembly, the crops enter from the middle of the front end of the harvester and are partially scattered out from the middle of the tail end of the harvester through the n-shaped threshing direction of a double-helix threshing conveying system, and the stability of the gravity center of the combine harvester is guaranteed. A cleaning transmission system is arranged at the outer side of a threshing system, centralized transmission is achieved, and installation and debug are convenient. The whole harvester is compact in structure, small in occupied space, high in maneuverability and remarkable in operation efficiency, and the gravity center is always kept stable in the empty operation and harvesting operation process.

The invention relates to a crushing stirring device for a waste LiFePO4 power battery. The crushing stirring device comprises a frame and a crushing device fixed on the frame; a feeding hopper is arranged above the crushing device; a stirring device is arranged under the crushing device; the crushing device and the stirring device are both connected with a power device; the crushing device comprises a driving hob set and a driven hob set which are oppositely arranged; the stirring device comprises a stirring barrel, a stirrer arranged in the stirring barrel and a discharging pipe arranged on the bottom of the stirring barrel; dilute alkali liquor is filled in the stirring barrel. According to the technical scheme of the invention, the crushing device is used for grinding and cutting the waste LiFePO4 power battery so as to form regularly shaped sheet crushed aggregates, and then the stirring device is used for effectively separating powder on anode aluminum foil current collector and cathode copper foil current collector so as to supply a reliable guarantee for the subsequent winnowing process and increase the winnowing efficiency.

The invention provides a garbage sorting treatment method which occupies small area, can avoid pollution and effectively treat toxic gas, has no residue and is short in treatment time, low in operation cost, high in product quality and free of secondary pollution. According to the technical scheme, the garbage sorting treatment method is characterized by comprising the following steps: drying, performing dust screening, winnowing, crushing, de-magnetizing, winnowing, performing water separating, crushing, winnowing, hydrolyzing and discharging hydrolyzed garbage from a hydrolysis tank.

The invention discloses a comprehensive steel slag utilization method which includes the steps: S1 ageing: stacking steel slag for 3 months or more to obtain aged steel slag; S2 drying the aged steelslag to obtain dried steel slag; S3 crushing the dried steel slag to obtain crushed steel slag; S4 rolling the crushed steel slag to obtain rolled steel slag; S5 primary iron removal: feeding the rolled steel slag into a magnetic separator to perform first iron removal to obtain iron particles I and steel slag after primary iron removal; S6 air separation: feeding the steel slag after primary ironremoval into an air separation device, and performing air separation to obtain fine steel slag powder, steel slag and sand mixture and steel slag coarse materials; S7 secondary iron removal: performing secondary iron removal on the steel slag and sand mixture to obtain iron particles II and steel slag and sand mixture after secondary iron removal; S8 screening the steel slag and sand mixture to obtain steel slag sand with different particle diameters. According to the method, waste steel slag generated in the steel making process serves as a raw material, so that the iron particles, the finesteel slag powder and the steel slag sand with the different particle diameters are prepared in a united manner, and the steel slag is comprehensively utilized.

The invention discloses a rice winnowing machine which comprises a case, an exhausting blade, a rotary shaft and drying machines, wherein a feeding hole is formed in the top of the case; husk outletsare formed in the upper side of the case, are V-shaped and are mounted at the top of the rotary shaft; a rice outlet is formed in the lower side of the case; the rotary shaft is hollow and communicates with the exhausting blade; the drying machines are arranged on two sides of the interior of the case; a spiral rotating vane is mounted on the rotary shaft; and turntables are arranged at two ends of the spiral rotating vane on the rotary shaft. According to the rice winnowing machine, the drying machines are arranged in the case to rapidly dry damp unhusked rice for winnowing; and a V-shaped rack is designed to have high air velocity , so that rice husks can be blown into the husk outlets in two sides of the case, and the winnowing efficiency is improved.

The present invention discloses a tea grading winnowing device with good impurity removal effect. The tea grading winnowing device with the good impurity removal effect comprises a winnowing box, an upper cover is movably connected to the upper end of the winnowing box, a first discharging port, a second discharging port and an impurity removal port are sequentially formed in the lower end of thewinnowing box from left to right, and symmetrically-arranged supporting legs are fixedly connected to the lower end of the winnowing box; a centrifugal fan is fixedly connected to the right end of thewinnowing box, an air inlet is formed in the right end of the winnowing box, an air pipe is arranged between the air inlet and the centrifugal fan, a feeding port is fixedly connected to the right side of the upper end of the upper cover, a permanent magnet roller is rotatably connected into the feeding port, and guide plates which are arranged in a bilateral symmetry mode are fixedly connected into the feeding port. A spiral blade is fixedly connected to the outer side of the rotating shaft. According to the tea grading winnowing device with the good impurity removal effect, tea leaves are graded, classified storage of the tea leaves is facilitated, the winnowing efficiency is improved, the normal effect of the conveying rollers on the tea leaves is guaranteed, magnetic impurities in thetea leaves are adsorbed, and an upper cover is convenient to disassemble and assemble.

The invention discloses an engineering sand making method. The method comprises the following steps: S1, crushing: crushing mother ores to obtain coarse sandstones; S2, ball-milling: ball-milling thecoarse sandstones to obtain fine sandstones; S3, screening: screening the fine sandstones to obtain sandstones with needed specifications; S4, grading: grading the sandstones to obtain sands with different grades; S5, detecting the mica content: detecting the mica content of the sands with each grade; S6, performing air separation: removing mica from the sands with different grades by air separation, wherein the frequency of air separation is determined according to the measured mica content in the sand sample with each grade; and S7, secondarily detecting the mica content: detecting the micacontent of the sands obtained by the air separation again. The method has the advantages of low cost, easiness in operation, high efficiency, good reliability, and realization of accurate control of the mica content and effective improvement of the sand quality.

The invention discloses a kind of rapeseed screening equipment for agricultural production and processing in the technical field of agricultural production and processing, which includes a separation box, a screening box fixed on the right side of the separation box and a separation mechanism. plate and a blanking plate, the screening box is provided with a first fan, an air inlet channel, a collection chamber and a rotating chamber, and a rotating assembly is provided in the rotating chamber. Beat the straw through the detachment mechanism to detach the rapeseed, and fall to the material guide plate after the first screening of the detachment filter, and then move along the feeder plate for winnowing, so that the lighter slag, etc., enters The air inlet channel is thickly collected. After the rapeseed moves obliquely upwards, it falls to the lower right on the cutting board. The detachment, detachment screen screening and winnowing are completed continuously. The detachment is convenient and can prevent the rapeseed from contacting the bottom surface and contaminating more Dust is screened twice, with good screening effect and high work efficiency.