72results about How to "Improve winnowing effect" patented technology

The invention discloses a simple agricultural grain winnowing machine which comprises a winnowing box and a de-dusting drying oven. The simple agricultural grain winnowing machine is characterized in that support legs are symmetrically arranged on left and right sides of the winnowing box; the winnowing box is arranged as a rectangular box; the de-dusting drying oven is arranged on the left side at the upper end of the winnowing box; the de-dusting drying oven is arranged as a cylindrical drum; an electromagnetic heating coil is clamped in a wall of the de-dusting drying oven; the bottom left side of the drying oven is communicated with the winnowing box through a connecting pipe; a blanking pipe is arranged in the middle of the top of the de-dusting drying oven; an adjusting valve is arranged on the blanking pipe; a feeding hopper is arranged at the upper end of the blanking pipe; a material collecting hopper is arranged in the de-dusting drying oven; an edge at the upper end of the material collecting hopper is connected with an inner wall of the winnowing box; a blanking hole is formed in a middle position at the lower end of the material collecting hopper; and a material distributing hopper is arranged above the material collecting hopper. The simple agricultural grain winnowing machine has the advantages of simple and reasonable structure, good winnowing effect, good de-dusting and drying effects, capability of reducing production cost of the device and high practicability.

The invention discloses a tea winnowing machine. The tea winnowing machine comprises a winnowing chamber and a fan; a feeding opening and a returning opening are arranged in the top part of the winnowing chamber and are communicated with each other through a screening device, wherein the screening device is equipped with an oscillator; the left side of the winnowing chamber is connected with the fan through an S-shaped pipeline; the mounting position of an air opening of the S-shaped pipeline is lower than that of the screening device; a dust discharging opening is arranged in the right side of the winnowing chamber and is connected with a dust recovering bag; a plurality of tea discharging buckets are arranged at the bottom part of the winnowing chamber; tea discharging openings are formed in the bottom parts of the tea discharging buckets; vortex type rotating plates which are vertically positioned in the centers of the tea buckets are fixedly mounted above the tea discharging openings; an observing window is mounted in the front side of the winnowing chamber. The tea winnowing machine is simple in structure and easy to be implemented; the air speed is uniform and stable; the winnowing quality is high; the waste and pollution are avoided; the tea winnowing machine is specially applied to tea winnowing.

The invention provides a screening system and a combine harvester. The screening system comprises a vibrating screen, a front sealing structure, a grain separating structure and a driving structure. The vibrating screen is provided with an upper screen area and a lower screen area, a lifting structure is arranged at the tail end of a corrugated plate in the upper screen area to increase the fall between the corrugated plate and a scaly screen, two-section lifting is formed in cooperation with a tail screen at the tail end, clustered crops are fully shaken to be scattered and loosened, and waste caused by the fact that crop straw carries grains to be discharged is avoided. Meanwhile, the front sealing structure is arranged at the front end of the corrugated plate to prevent the grains from being thrown out by the vibrating screen. The grain separating structure is arranged at the position, between a grain collecting area and an impurity collecting area, below the vibrating screen, so that clean grains are effectively separated from impurities such as straw, the grains are collected more completely and cleanly, waste is avoided, and the screening efficiency is improved.

The invention relates to a waste cigarette pneumatic separation device and a cigarette separation system. The waste cigarette pneumatic separation device comprises an air bellow and an air blowing device. A partition plate is arranged in the air bellow to divide an inner cavity of the air bellow into a first pneumatic separation cavity, a second pneumatic separation cavity and a pneumatic separation channel. The air bellow is provided with a feed inlet for achieving feeding from the first pneumatic separation cavity. An air flow port of the air blowing device faces towards the feed inlet. Air flow flows through the pneumatic separation channel in the feeding direction to enter the second cavity. In the pneumatic separation process, defective or waste cigarettes falling into the air bellow from the feed inlet are blown to be dispersed under the effect of pneumatic separation air flow, and air flow continues to be flow to drive the defective or waste cigarettes to flow along the pneumatic separation channel. The first partition plate achieves a blocking effect, and defective or waste cigarettes in various states are blocked to fall into the first pneumatic separation cavity. Cut tobaccos and paper scraps are relatively light and continue to move along the pneumatic separation channel rather than being blocked by the first partition plate and falling into the second pneumatic separation cavity, accordingly, pneumatic separation for defective or waste cigarettes is achieved, the pneumatic separation effect is good, production efficiency is high, and the cost is low.

The invention relates to an adjustable-power strong wind impurity removal device which is arranged at the tail end of a mixed material conveying belt. The impurity removal device comprises a vibrating feeder and a variable-frequency fan. A material inlet of the vibrating feeder is formed below the tail end of the mixed material conveying belt and used for receiving fallen mixed materials. A material outlet of the vibrating feeder extends into a sorting chamber. An air outlet of the variable-frequency fan extends into the sorting chamber. The air outlet direction of the air outlet faces the material outlet of the vibrating feeder. The upper end of the sorting chamber is connected with a dust pipeline. A spraying device is arranged in the dust pipeline. The variable-frequency fan is an adjustable-power vertical airflow winnowing machine. The variable-frequency vertical airflow winnowing machine is arranged at the tail end of the conveying belt, light materials and heavy materials in the mixed materials can be sorted effectively, all the dust in an outlet pipe is collected, dust pollution is reduced, and the working environment of workers is improved.

A tea leaf cutting and winnowing integrated apparatus comprises a movable frame [1]. The front end of the frame is a tea leaf cutting device [2]. The lower section of the cutting device is provided with an air duct [3]. The tail end of the air duct [3] is provided with a collection bag [4]. The air duct is provided with a blower motor [5]. When green leaves are picked and enter the air duct, the tea leaves with different lengths and impurities are separated according to weight, the tea leaves falling into the collection bag [4] and some impurities being discharged on site through a waste pipe [6]. The cutting device is arranged in a movable manner and is suitable for cutting of green leaves at different angles. The collection bag [4] is provided with a sensing device [7], so that when the bag is full of tea leaves, a prompt message is given. The green leaves are cut and winnowed at the same time, so that the winnowing effect is effectively improved and the picking efficiency is increased.

The invention relates to the technical field of particle separation and discloses a vortex cross flow grading type solid particle separating device comprising a shell. An inner cavity is arranged in the shell. The upper portion of the inner cavity is provided with a feed opening. A conical scattering assembly, an air supply channel and an air guide channel are arranged in the inner cavity, whereinthe small end of the conical scattering assembly is used for receiving materials flowing in from the feed opening, an interval remains between the circumferential side of the conical scattering assembly and the inner wall of the inner cavity to form a flow splitting channel, the air supply channel is used for providing the wind flowing in the direction opposite to the flowing direction of the materials in the flow splitting channel, the air guide channel runs through the circumferential side of the conical scattering assembly. The vortex cross flow grading type solid particle separating device has the technical effects that supplied air of the air supply channel drives powder and part of fine particles to float upward to separate from the material flow; the supplied air of the air supplychannel can also make contact with the material again through the air guide channel, the number of times of penetrating the particle material layer of the air flow is increased, the contact time between the air flow and the particle material layer is prolonged, and therefore the winnowing effect is improved.

The invention discloses a tea winnowing machine. The tea winnowing machine comprises a winnowing tank and a fan, wherein the winnowing tank is a transversely horizontally placed cuboid tank; supporting feet are mounted at the bottom of the winnowing tank; an air inlet is formed in the upper part of a right plate of the winnowing tank; a feed hopper is mounted on a feed inlet in the right side of a top plate of the winnowing tank; a plurality of continuous longitudinal material collecting hoppers are arranged on a bottom plate of the winnowing tank; hopper openings of the material collecting hoppers are rectangular; the fan is an induced draught fan; the fan is mounted and fixed to an air draft opening in a left plate of the winnowing tank; a longitudinal slot is formed between every two adjacent material collecting hoppers; rubber layers are arranged on the side walls in the slots; the length of the slots is the same as the length of the material collecting hoppers; baffle plates are inserted from the slots into the winnowing tank from bottom to up; the rubber layers clamp the baffle plates; and the baffle plates can be pulled up and down between the rubber layers. According to the tea winnowing machine, the structure is simple, the operation is convenient, the manufacturing cost is low, the winnowing effect of the tea winnowing machine can be remarkably improved, and the quality of tea of all winnowing levels is effectively improved.

The invention belongs to the technical field of agricultural production, and particularly relates to a seed screening device for agricultural production. For solving the problem of poor seed screeningeffect in the prior art, the seed screening device comprises a box body, wherein a feeding hopper is fixed to one side of the outer wall of the top of the box body, inclined blowing pipes are fixed to the two ends of the box body and the outer walls of the two sides of the box body, the ends, close to the interior of the box body, of the blowing pipes incline upwards, blowing fans are fixed to the inner walls of the blowing pipes, exhaust pipes are fixed to the positions, located at the top of the blowing pipes, of the two ends of the box body and the outer walls of the two sides of the box body, and exhaust fans are fixed to the inner walls of the exhaust pipes. According to the seed screening device, dust in seeds is discharged from the exhaust pipes through the wind direction cooperation operation between the blowing pipes and the exhaust pipes, the rest seeds fall into an auxiliary box containing salt water, the seeds with insufficient plumpness float on the water surface and areled out from a drainage pipe, and therefore winnowing and water separation operation is completed in the box body simultaneously; the seed screening effect of the device is improved.

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 invention provides a crawler type small-sized combined harvester and relates to a combined harvester in agricultural machinery. The crawler type small-sized combined harvester adopts a crawler to walk; a cutting table is arranged at the front end of a big frame; a walking wheel carrier is arranged at the lower part of the big frame; an operating table, a speed changing box, a clutch and an engine are arranged on the big frame; a seat is arranged at the rear part of the big frame; the cutting table mainly consists of a grain lifter, a threshing cage, a big stirring cage, a lower cutting knife, a small stirring cage, an upper cutting knife, a fan and a lifting cage. The crawler type small-sized combined harvester is characterized in that the inclination angle of a sine rotating piece on a threshing cage cover of the threshing cage can be adjusted; a rotating piece on a small stirring cage shaft is a combination of the sine rotating piece and an anti-sine rotating piece; the anti-sine rotating piece is positioned at the tail end of the shaft. The crawler type small-sized combined harvester is more reasonable in whole machine structure and arrangement, small and compact in whole machine structure, convenient to use and wide in adaptability, the negative pressure air separation effect of an air suction fan is good, residues are discharged downwards, and the crawler adopts a triangular layout, so that the effect of the harvester in a rotten field is obviously improved, therefore, the crawler type small-sized combined harvester has a promotional value.

The invention discloses screening-washing function integrated equipment for processing traditional Chinese medicines in the technical field of traditional Chinese medicine processing washing. The screening-washing function integrated equipment for processing the traditional Chinese medicines comprises a winnowing box; the winnowing box is provided with a material feeding hopper; the material feeding hopper is provided with a stopping plate; the material feeding hopper is provided with a grid; the winnowing box is connected with a fan; the winnowing box is provided with a gas outlet pipe; the gas outlet pipe is provided with a dust collection box; the winnowing box is provided with washing hoppers; the winnowing box is provided with water injection pipes; the washing hoppers are provided with bearings; the bearings are provided with stirring shafts; the stirring shafts are provided with stirring rods; the stirring shafts are provided with belt wheels; a belt is movably connected to thebelt wheels; the external side walls of one group of the belt wheels are fixedly connected with an output end of a motor; transparent glass windows are fixedly connected to the interiors of through holes in the rear side walls of the washing hoppers; and material outlet pipes are fixedly connected to the bottoms of the washing hoppers. According to the screening-washing function integrated equipment for processing the traditional Chinese medicines, the traditional Chinese medicines dropping from the material feeding hopper are winnowed by using dynamic air generated by the fan; and the screened traditional Chinese medicines fall into the different washing hoppers so that the device can winnow the traditional Chinese medicines before the traditional Chinese medicines are washed.

The invention discloses a sorting system of brand watermelon seeds, wherein the sieve is hanged at the upper of framework by four derricks, the back of the sieve is connected with the eccentric place of motor spindle rotary table by connecting rod, inside the sieve, there have the first layer screen and the second layer screen, at the lower of the framework, there has ventilation pipe, the first drawer and the second drawer are equipped under the ventilation pipe, the ventilation pipe is rectangular and provided with hopper, above the hopper, the rectangular closed tube is connected with the middle and lower chute, a draught fan is provided before the ventilation pipe, the mesh of the second layer screen are all the shape of watermelon seeds and the screen are all lined in the same horizontal mode and opposite tandem mode, between the ventilation tube and draught fan, there is the wind speed uniform device. As the mesh of screen uses the watermelon shape, the device could improve the sorting accuracy of the watermelon seeds size, and the wind speed uniform device could increase the aspiration effect, separate the full watermelon seeds and non-full watermelon seeds and adjust the speed of motor to make the air volume and wind pressure changing at the same time, as well as finding the proper wind to separate easily.

The invention discloses an adjustable type grain winnowing device and relates to the technical field of grain processing equipment. The adjustable type grain winnowing device comprises a rack; an outer tube is arranged on the top face of the rack; an inner tube is arranged inside the outer tube; a cavity is formed between the outer tube and the inner tube; a plurality of adhesive plates are evenlyand movably inserted in the side face of the outer tube in a penetrating mode; one ends of the adhesive plates abut against the outer surface of the inner tube; the bottom end of the inner tube penetrates through the rack and is connected with a discharging pipe; a plurality of air outlets are arranged on the side face of the inner tube in a matched mode; a wind conveying pipe is arranged insidethe inner tube; a plurality of sets of wind outlet pipes are evenly arranged on the outer surface of the wind conveying pipe; an adjusting mechanism is arranged at the top end of the inner tube; and the top of the adjusting mechanism is connected with a feeding hopper. As the outer tube and the inner tube are cooperatively connected and the adjusting mechanism is arranged in a matched mode, the winnowing effect is effectively improved, the production quality of grains is ensured, and the use cost of products is also lowered.

The invention discloses a cleaning device for a tea winnowing machine. The cleaning device for the tea winnowing machine comprises a winnowing cylinder body, an air blower, a wind input pipe, a feeding device, a first discharging port, a second discharging port, a third discharging port, a dust discharging pipe, a shock reduction device and a dust collection device. A first mounting plate is fixedly connected to the bottom of the right side of the winnowing cylinder body. The shock reduction device is fixedly connected to the bottom of the right side of the first mounting plate. A first mounting base is arranged at the top of the first mounting plate. The air blower is mounted on the first mounting base. The wind outlet of the air blower is connected with the wind input pipe. The other endof the winnowing cylinder body is in communication with the dust discharging pipe. The bottom end of the dust discharging pipe is fixedly connected with the dust collection device. The feeding deviceis arranged on the portion, close to one end of the air blower, of the winnowing cylinder body. The feeding device comprises a feeding hopper and a tea-loosening mechanism. A second mounting plate isfixedly connected to the upper end of the right side of the winnowing cylinder body. The tea-loosening mechanism comprises a loosening cavity, a driving motor, a stirring shaft, a coupling and stirring blades. A second mounting base is mounted at the top of the second mounting plate. The driving motor is mounted on the second mounting base. The driving motor is connected with the stirring shaft through the coupling.

The invention discloses a hulling and separating all-in-one machine for rice processing. The machine comprises a hulling box, a feeding hopper, a hulling rubber roller, a material guiding inclined plate, a material guiding hopper, a winnowing hopper, an ascending fan impeller, a material uniformizing box, a V-shaped material guiding plate, a material uniformizing opening, a canvas soft connector, a uniform feeding opening, a separating box, a rice discharging opening, a brown rice discharging opening, a rice husk discharging opening, an air inlet duct, a dust removing box, air supply fan blades, a drawing frame, a molecular sieve honeycomb plate, a fixed support and an angle adjusting rotary knob. According to the invention, a traditional split type structure is replaced with an integrated structure, and the hulling process and the separating process are integrated into one process, so that the processing flow of rice is simplified, the conveying frequency of materials is reduced, the manpower is saved, the falling risk of the materials is reduced, and the processing efficiency of the rice is improved; and a vortex winnowing mode is used for replacing a traditional direct-current winnowing mode, so that the winnowing strength of the all-in-one machine is enhanced, the residual quantity of rice hulls in brown rice is reduced, and the winnowing effect of the all-in-one machine is improved.

The invention discloses a tea winnower. The tea winnower comprises a cylindrical machine body, a feed device, a discharge device and a controller. The feed device is arranged above the machine body. The discharge device is arranged below the machine body. The controller is arranged on the machine body. A channel A and a channel B which are in the axial direction of the machine body are arranged in the machine body. The channel A and the channel B are each provided with a wind speed inductor, and the wind speed inductors are used for detecting the wind speed in the channel A and the wind speed in the channel B. The wind speed inductors are connected with the controller. One end of the channel A is provided with a fan A. The other end of the channel A is provided with a wind channel conveying tea to the channel B. One end of the channel B is provided with a fan B. The other end of the channel B is connected with the discharge device. The fan A and the fan B are located at the left end and the right end of the machine body respectively, and the fan A and the fan B are opposite in direction. The fan A and the fan B are connected with the controller. The two channels are adopted for winnowing, so that the winnowing effect is improved, and impurities are removed more completely. In addition, the wind speed inductors and the controller are matched with each other, so that not only is the stability of the wind speeds ensured, but also the wind speeds can be adjusted and controlled, and accordingly the precision of winnowing is improved.

The invention relates to a peel-pulp separation method of maize straw. The method comprises the following steps that step 1, the maize straw is mechanically crushed, so that straw peels, straw leavesand straw pulp are crushed and separated from one other; step 2, winnowing is performed on the straw peels, straw leaves and straw pulp which are obtained in step 1 to separate the straw pulp from thestraw leaves and the straw peels, and the straw pulp is collected; step 3, screening is conducted through a sieve, and the straw peels and the straw leaves are collected.