285results about How to "Improve screening quality" patented technology

The invention discloses a house refuse treatment method, which comprises the following steps: crushing and fermenting refuse at normal pressure and under normal pressure; executing a screening process, crushing large or large-grain inorganic materials among oversize materials on a coarse screen, and making an urban coal material; coarsely screening, crushing stone and brick blocks among oversize materials on a medium screen, and making a roadbed material or pavior brick base material; making fertilizer by using organic materials or fermented products of the organic materials among the oversize materials and undersize materials of the medium screen and a fine screen, wherein materials with recycling value among magnetic materials screen out are sold directly, and materials without recycling value are collected and subjected to innocent treatment; and performing manual sorting, wherein materials with recycling value are directly sold. When the method is used for refuse treatment, the construction investment is small, the operation cost is low, the operation is simple, the treatment effect is desirable, and the resource recycling degree is high. The method can be widely used for treatment of refuse of different sizes and qualities without causing secondary pollution.

The invention relates to a civil engineering sand sieving device. The civil engineering sand sieving device uses crosses formed by transverse rods and longitudinal rods for forming a sieving net structure, enables the transverse rods and the longitudinal rods to perform equal interval adjustment according to requirements through a transverse interval adjustment device and a longitudinal interval adjustment device, and simultaneously uses a locking function of a hydraulic telescopic rod in a hydraulic cylinder and a self-locking function of threads for achieving position locking after the equalinterval adjustment, enables the transverse rods and the longitudinal rods in the sieving net structure to be stable and reliable in the sieving process, is suitable for different grain diameters offine sand or sand stone, and avoids replacement of a sieving net, and meanwhile a power device drives the transverse rods and the longitudinal rods, which cooperate with one another, to separate whenhole blocking of the sieving net occurs or the sieving net needs to be cleaned, and then achieves cleaning effect by adjusting intervals. The civil engineering sand sieving device is simple to operateand ingenious in structure, avoids the replacement of the sieving net, and meanwhile can clean up the sieving net timely, and greatly improves sieving efficiency and quality.

The invention discloses a circular building sand screening device, and relates to the technical field of building machines. The circular building sand screening device comprises a supporting bottom plate, and a transverse packing auger driven by a motor I is horizontally and fixedly mounted on the supporting frame. A dispersing barrel communicating with the transverse packing auger through a discharging pipe is arranged below the transverse packing auger. A conveying belt mounted on a supporting table is arranged below a horizontal screen, and a longitudinal packing auger driven by a motor IIis fixedly mounted on the supporting table. A lifting inlet communicating with the dispersing barrel is formed in the lower right side wall of the longitudinal packing auger, and a circulating pipe ismounted between the upper right side wall of the longitudinal packing auger and the transverse packing auger in a communicating manner. According to the circular building sand screening device, sandcan be screened through the horizontal screen and an inclined screen and passes. By means of conveying of the transverse packing auger and the longitudinal packing auger, on one hand, the scattering function on the sand is improved, the mobility of the sand during screening is improved, and the screening effect is improved; and on the other hand, repeated and circular screening of the sand can beachieved, screening can be more sufficient and thorough, and the screening quality of the sand is improved.

The invention relates to an iron-titanium ore magnetic separator which comprises a rack, a magnetic separation mechanism and a feeding hopper, wherein the magnetic separation mechanism comprises a titanium concentration device, an iron-titanium separation device, a titanium selection motor and an iron-titanium separation motor; the titanium concentration device is driven by the titanium selection motor, a titanium concentrate discharging hopper, a titanium ore recovery hopper and a tailings discharging hopper are arranged at the lower side of the titanium concentration device; a titanium concentrate precision regulator is arranged at one sides of feeding ports of the titanium concentrate discharging hopper and the titanium ore recovery hopper; a tailings precision regulator is arranged at one side of a feeding port of the tailings discharging hopper; the iron-titanium separation device is driven by the iron-titanium separation motor and comprises a first iron-titanium separation device and a second iron-titanium separation device; iron-titanium separation precision regulators are arranged at one sides of an iron-titanium mixture discharging hopper and an iron-titanium powder discharging hopper which are arranged at the lower side of the first iron-titanium separation device and at one sides of a titanium-in-iron discharging hopper and an iron powder discharging hopper which are arranged at the lower side of the second iron-titanium separation device. The iron-titanium ore magnetic separator is simple and reasonable in structural design, high in magnetic separation efficiency, good in effect and capable of effectively screening and separating minerals, and is environment-friendly.

The invention discloses an automatic-feeding ore screening device for an ore machine. The automatic-feeding ore screening device for the ore machine comprises a feeding device body and a screening device body. The screening device body is inclined. A first screening plate and a second screening plate are arranged in the screening device body. The first screening plate is located on the top of the second screening plate. The first screening plate and the second screening plate are provided with first screening holes and second screening holes correspondingly. Conveying rollers are connected through a conveying belt. The bottoms of the conveying rollers are provided with an installation frame. The conveying belt is further provided with feeding plates. A feeding baffle is hinged to the top of the left side face of the screening device body. The top end of the conveyer belt extends into the feeding baffle. The automatic-feeding ore screening device for the ore machine is novel in structure and convenient to operate, achieves automatic feeding, greatly lowers the labor intensity and improves the screening quality.

The invention relates to a screening device, in particular to a screening device for rapeseed processing. The technical problem to be solved by the present invention is to provide a screening device for rapeseed processing which can control the screening speed and prevent the rapeseed from splashing during screening. In order to solve the above technical problems, the present invention provides such a screening equipment for rapeseed processing, which includes a mounting frame, a screen frame, a storage hopper, a discharge device and a blowing device, etc.; There is a storage hopper at the center of the top of the frame, a discharge device at the bottom of the storage hopper, and a blowing device at the middle of the right side of the installation frame. In the present invention, by changing the position of the L-shaped baffle, the falling speed of the rapeseed is controlled, and at the same time, the first baffle effectively prevents the fine rapeseed from splashing around.

The invention discloses a dried tofu splitting-cutting and screening device. The dried tofu splitting-cutting and screening device comprises a cutting-splitting device, a sorting device, a conveyor and a controller. The cutting-splitting device comprises a first rack, an electric cylinder, a pressing plate, a rotary workbench, a left mold cutter, a right mold cutter and a servo motor. The sorting device comprises a second rack and a sorting screen which comprises a frame and a step-shaped screen face. According to the dried tofu splitting-cutting and screening device, the left mold cutter and the right mold cutter are arranged on the rotary workbench and located in a material charging position and a splitting-cutting position so that material charging and splitting-cutting can be conducted simultaneously, and the production efficiency is higher. In addition, the screen face of the sorting screen is the step-shaped screen face, so that dried tofu fall vertically when moving along the step-shaped screen face and passing steps. When falling vertically, the mutually adhesive dried tofu is more liable to be scattered and separated so that the dried tofu adhesive problem in the sorting process can be solved very well, and the good screening and sorting quality can be achieved.

The invention provides a lycium barbarum screening device, and belongs to the field of agricultural product machining equipment. The lycium barbarum screening device comprises a shell, a first screening unit and a second screening unit; the first screening unit comprises a guide piece and an annular screen; the guide piece is provided with a first screen hole; the guide piece can bear materials falling from the first screen hole; the annular screen is mounted on the shell; the annular screen sleeves the guide piece; the guide piece is used for guiding the materials falling from a feed port onto the annular screen; the second screening unit comprises an exhaust mechanism; the exhaust mechanism is mounted on the shell, and is provided with multiple exhaust ports; the multiple exhaust ports are arranged in the peripheral direction of the shell at intervals; the wind direction of each exhaust port is towards the shell; each exhaust port and the inner wall of the shell are arranged at intervals; and an annular screening area for enabling the materials to fall is formed between the inner wall of the shell and the multiple exhaust ports. The lycium barbarum screening device is high in automation degree, saves both time and power in the screening work, and is high in screening quality.

The invention provides a sorting system of mineralized refuse and a sorting process of the mineralized refuse, and relates to the field of mineralized refuse treatment. The sorting system includes anartificial sorting system, a screening system and a sorting system which are connected in turn; the artificial sorting system sorts out waste wood, plastic and rubber; the screening system screens outcoarse particulates with larger diameter and fine particulates with smaller diameter; the sorting system includes a coarse particulate sorting system and a fine particulate sorting system, the coarseparticulate sorting system is used for sieving out the plastic in a coarse particulate material, and the fine particulate sorting system sieves out fine aggregates in a fine particulate material. Thesorting system of the mineralized refuse can sort out the plastic and the fine aggregates through the coarse particulate sorting system and the fine particulate sorting system, and screen out the available materials such as the plastic, metal, humus soil and the like. The problem of low screening quality caused by complex composition and high humidity of the mineralized refuse is solved, and thesystem has the advantages of good screening quality, convenient screening and the like.

The invention relates to a raw material screening machine, in particular to a raw material screening machine for orange flower cake production which can quickly screen orange flower cake raw materialsand improve the working efficiency. The raw material screening machine for orange flower cake production comprises a mounting frame, a mounting disc, convex blocks, a discharging hopper, a discharging pipe, L-shaped sliding rods, an annular sliding rail, a collecting cylinder and the like, wherein the mounting disc is arranged on the mounting frame, the at least two convex blocks are uniformly arranged on the peripheries of the bottom of the mounting disc at intervals, the discharging hopper is arranged on the mounting disc, and the discharging pipe is arranged between the discharging hopperand the mounting disc. According to the raw material screening machine for orange flower cake production, a screening component is matched with a transmission component, so that the orange flower cakeraw materials with different sizes are screened, and the screening quality for screening the orange flower cake raw materials by workers is improved; and through the transmission component, manpowercan be saved, and the orange flower cake raw materials can be screened and separated continuously.

The invention discloses a two-dimensional scattered data density drawing method. The two-dimensional scattered data density drawing method comprises the following steps of: step (1) arranging two-dimensional density grids in an optimized manner; step (2), smoothly moving a density grid frequency number result on a plane; step (3) representing density attribute by color codes and isolines; step (4) counting and visualizing density distribution percentage. The two-dimensional scattered data density drawing method is simple, rapid and reliable, and particularly suitable for density drawing and visualization of the two-dimensional scattered data in a large data volume; the two-dimensional scattered data density drawing method realizes color code mapping of the two-dimensional scattered data density drawing through grid optimized arrangement and plane smooth movement of the density grid frequency number result, and realizes expression of the mathematical characteristic quantitative information of the two-dimensional scattered data density distribution.

The invention discloses a gravel screening device for a building. The gravel screening device for the building comprises a shell, a feeding hole is formed in the right side of the upper surface of theshell, the right side of the top of an inner cavity of the shell is fixedly connected with a fixing frame, the fixing frame is movably connected with an inclined plate through a pin shaft, a supporting plate is fixedly connected above the inner wall of the right side of the shell, a buffer spring is fixedly connected to the upper surface of the supporting plate, the other end of the buffer springis fixedly connected to the lower surface of the inclined plate through a spring base, and the left side of base of the inner cavity of the shell is fixedly connected with a first guide column. According to the gravel screening device for the building, a first screening frame, a second screening frame, the first guiding column, a second guiding column, a first guide block, a second guide block, afirst spring, a second spring and a vibration motor are arranged and cooperate with one another, so that the problem that the screening efficiency is low in a construction site is solved; and the fixing frame, the pin shaft, the inclined plate, the supporting plate and the buffer spring are arranged and cooperate with one another, so that the problem that the screening speed is low when a large amount of gravels are directly screened is solved.

The invention discloses a deep waste plastic particle deep purifying and screening device which comprises a screening machine body, wherein an air blowing hole is formed in the right side wall of a barrel body of a feeding barrel; an air-blowing fan communicates with an inlet in the right side of the air blowing hole; a left-side end opening of a plastic bag inlet is equipped with a light impurity collecting bag in a sealing mode; a supporting mounting frame is fixedly connected below the machine body of the screening machine body; the two sides of a bottom framework of the supporting mounting frame are separately hinged with a rotary cam; a vibrating screening slot is formed in the top end of a post body of a lifting supporting post; a rolling slide wheel can be arranged on the cam periphery of the rotary cam in a sliding mode; and a dust conveying folding tube further communicates with the position above the right side wall of the screening machine body. The deep waste plastic particle deep purifying and screening device avoids the problem that follow-up screening progress is affected as a bag drops; and plastic particles in the vibrating screening slot can be continuously screened, so that a deep screening process for materials which meet specification requirements is realized, and the surrounding environment is protected.

The invention discloses stauntonvine screening equipment in the field of stauntonvine production equipment. The stauntonvine screening equipment comprises a color selector, and the color selector comprises a first outlet used for outputting lesion fruits and a second outlet used for outputting normal fruits, a conveying belt is arranged below the second outlet, and small holes used for screening small fruits are formed in the conveying belt; a small fruit collecting device is arranged between an upper belt body and a lower belt body of the conveying belt, and a large fruit collecting device is arranged at the end, away from the second outlet, of the conveying belt; the color selector is arranged to sort out picked fruits, and the lesion fruits and the normal fruits are screened out; through the conveying belt with the small holes, small fruits enter the small fruit collecting device through the small holes, and due to the fact that large fruits cannot enter the small holes, the large fruits finally enter the large fruit collecting device in a conveyed manner; and therefore screening of stauntonvine is achieved, due to automatic screening, work intensity of workers is greatly reduced, and meanwhile work efficiency is improved; and the screening standard is fixed, and the higher screening quality is ensured.

The data driver of a flat panel display includes: an output driver configured to output a plurality of amplified data signals for a plurality of channels corresponding to a plurality of data lines, the plurality of channels including: a plurality of amplifiers configured to amplify a plurality of input data signals and to supply the amplified data signals to the data lines; and a plurality of chopping controllers, each of the chopping controllers being coupled connected to a plurality of input terminals of a corresponding amplifier of the amplifiers and configured to receive a first control signal or a second control signal to periodically change signals applied to positive and negative input terminals from among the input terminals of the amplifiers.

The invention discloses a movable asphalt cold regeneration cement gravel mixing building, which comprises a charging device capable of being loaded on a transport vehicle and consisting of a milling material charging belt, a milling material charging funnel, a new aggregate charging belt and a new aggregate charging funnel, and also comprises an asphalt cold regeneration cement gravel mixing device arranged on a stander capable of being lifted on a flat truck, wherein the asphalt cold regeneration cement gravel mixing device consists of a lifting hook arranged on the stander, a control cabinet and a milling material weighing belt, a new aggregate weighing belt, a mineral powder metering auger, a cement metering auger electrically connected with the control cabinet, and a milling material screening net, a milling material storage bin, a mineral powder bin, a cement bin, a water tank, an emulsified asphalt bin, a new aggregate bin, an asphalt pump, a water pump, an upper mixing boiler, a lower mixing boiler, a milling material semi-finished product charging belt, and a main belt; and the lower end of the lower mixing boiler is provided with a discharge port of the cold regeneration asphalt. The movable asphalt cold regeneration cement gravel mixing building recycles old road surface milling waste materials without crushing and heating, saves materials and cost, and is convenient and quick to move, lift and use.