105results about How to "Increase the screening area" patented technology

A screen retention mechanism for use with vibratory separators is disclosed. The screen retention mechanism includes a structural frame mounted to a vibratory separator into which a plurality of lightweight and flexible screen elements are inserted into multiple tows of perforated screen supports. The perforated screen supports are bonded to the structural frame and are aligned parallel to the direction in which solids are conveyed by a vibratory motion. The invention further features an improved retention mechanism whereby screen elements are conveniently and selectively restrained.

An electronic device is provided. The electronic device includes a window panel having a front area and a curved area extending from the front area, a display panel disposed beneath the window panel, and a fixed part which supports a curved area of the display panel. The display panel includes a front display area, a side display area extending from the front display area so as to be curved, and a wiring area extending from the side display area, and the fixed part supports a curved shape of the side display area or the wiring area.

A test device for a display panel and a method of testing the same are provided. The test device for a display panel includes a luminance measurement unit that measures a luminance value of a display panel including a plurality of pixels, and a controller that determines a voltage value of a data signal corresponding to a target luminance value, receives a measured luminance value of a pixel to which the data signal is supplied from the luminance measurement unit from among the plurality of pixels, compares the measured luminance value and the target luminance value, and outputs a control signal that changes a first power source voltage value supplied from a power source voltage supply unit to the pixel until the measured luminance value does not coincide with the target luminance value.

A vibratory separator having a basket with a first side spaced-apart from a second side, screen assembly apparatus mounted in the basket, the screen assembly apparatus having a central portion, a first screen side and a second screen side, central support apparatus connected to the basket and positioned beneath and in contact with the central portion of the screen assembly apparatus, and pressing apparatus on the first side and second side of the basket for pressing down on the first screen side and on the second screen side of the screen assembly apparatus so that the central portion of the screen assembly apparatus is higher than the first screen side and the second screen side.

A screen panel center retainer system utilizes a center retainer that is provided with a retainer base which is adapted to be secured to screen stringer rails of a vibrating separatory machine. A pair of retainer channel legs form an upper portion of the center retainer and have screen panel edge receiving slots. A locking strip, having a wedging tongue, is used in conjunction with the center retainer. The wedging tongue is insertable into the channel on the center retainer which is defined by the two retainer channel legs. Flow control dams and cross dam retainers are used in conjunction with, and in addition to the center retainers and locking strips, to provide the complete installation of screen panels on the vibrating separating machine.

The invention discloses a vertical spiral vibrating screen capable of greatly increasing the area of a screen and lengthening the movement stroke of powder. The vertical spiral vibrating screen comprises a base, a screen arranged on the base through a plurality of supporting springs, a vibrating device connected with the lower end of the screen and positioned in the base, a bin arranged at the upper end of the screen and a feeding valve arranged in the bin. The screen comprises a shell, a middle upright post and a screen net. The shell is a cylinder provided with a cover plate and a bottom plate, and the lower part of the shell is provided with a fine powder feeding hole and a coarse powder feeding hole; the middle upright post is vertical to the center of the shell; and the screen net comprises a bottom screen net, a lateral screen net and a top plate, wherein the inner edge of the bottom screen net is fixed on the middle upright post and is downwards spiral around the middle upright post, the lateral screen net is arranged coaxial with the middle upright post and is downwards spiral around the middle upright post, the lower end of the lateral screen net is connected with the outer edge of the bottom screen net, and the inner edge of the top plate is fixed on the middle upright post and is downwards spiral around the middle upright post.

The invention discloses a material distributing screening machine, comprising a machine case (1), a forced fabric plate (2), a driving device (3), a filtering roller (4), a reducer motor (5) and an iron removing device (24), wherein the machine case (1) is provided with a feeding hole (6) and a plurality of discharging holes (10), the filtering roller (4) comprises a flange disk type roller (11) and a filtering rope type roller (12), the filtering roller (4) is provided with the driving device (3), the reducer motor (5) drives the filtering roller (4) to rotate by virtue of the driving device (3), and material enters from the feeding hole (6), is screened by the filtering roller (4) and is discharged by the discharging hole (10). The invention has the beneficial effects that: more than two materials in different grain sizes can be screened by setting different interstitial screen cuts, the working condition requirement for screening more than two materials can be met, screening efficiency is high, bulk material impact resistance is high, material is distributed more uniformly, no blockage is caused, and an iron piece contained in the material can be removed.

The invention relates to an overlapping high-frequency fine screen, which is provided with a framework, a plurality of inclined screening units are arranged from the top down on the framework, a distributor is arranged at one end of the upper part of each screening unit, each distributor is connected to a divider, a vibration exciter is mounted on the framework over the uppermost screening unit, shock-absorbing springs are mounted on the bottom of the lowermost screening unit, screen frames of all the screening units are arranged in parallel from the top down, and moreover, the inclination angle of each screen frame inclined downward from the horizon is 20 to 35 degrees; an oversize discharge plate is provided with at least one longitudinal V-shaped separation baffle; undersize-receiving buckets are mounted just under corresponding screen surfaces, and the section of each undersize-receiving bucket is shaped like a circular arc or a trapezium. The overlapping high-frequency fine screen has a simple and compact structure, and does not occupy an extra space, the manufacturing cost is greatly reduced, the overall dimensions are small, the occupied area and the occupied space are small, moreover, the installation cost is little, the length of each layer of screen frame is not limited, and large scale can be easily achieved.

The invention relates to a double-mass self-synchronization elliptical vibrating screen based on motion synthesis, mainly comprising a feeding hopper, exciting motors, an upper mass, an upper mass-supporting spring, a lower mass, a lower mass-supporting spring and a base, wherein the two exciting motors with the same mass moment are mounted at the top of the upper mass in such a way that the axes of the two exciting motors are parallel and do uniform-speed reverse rotation to generate linear vibrating motion; an exciting motor which is bridged and mounted on the lower mass also does uniform-speed rotation to generate uniform-frequency circular vibrating motion; the linear vibrating motion and the circular vibrating motion are transferred by the upper mass-supporting spring and synthesized on the upper mass and the lower mass to form the elliptical motion of the upper mass and the lower mass; and the two exciting motors on the upper mass can be bridged and mounted at the top of the upper mass or on two lateral plates of the upper mass in such a way that the axes of the two exciting motors are parallel. The invention has the advantages of great screening area, great processing capability and high screening efficiency and can satisfy the production requirements of petroleum, chemical, coal, metallurgy, and the like.

According to an aspect, a display device with a touch detection function includes a plurality of drive electrodes that face a plurality of pixel electrodes in an orthogonal direction to the surface of the substrate, and extend in a direction parallel to the direction in which a plurality of signal lines extend. The display device with a touch detection function also includes a scan driving unit that applies a touch drive signal to a signal line that faces, in an overlapping manner in the orthogonal direction, a drive electrode to which the touch drive signal is applied.

A sifter comprising: a receiver having a supply chamber; a sieve assembly having a sieving chamber coupled to the supply chamber; a rotator having a rotating shaft laterally arranged to pass through the supply chamber and the sieving chamber; a drum having a circular cross-section and having a larger diameter than the diameter of the rotating shaft, the drum being extended in at least space of the sieving chamber and arranged coaxially with the sieve; a cylindrical sieve located inside the sieving chamber and arranged coaxially with the rotating shaft; a stirring rotor located in an inner area of the sieving chamber inside the sieve comprising a rotating blade attached to the rotating shaft; an extraction member; and an outlet for discharging powder passing through the sieve from the inner area to the outer area.

The invention discloses a filtering sieve shaft of a sieving machine. The filtering sieve shaft comprises a sieving face composed of a movable flange plate type sieve shaft (4), a movable sieving strip type sieve shaft (5) and a spring type sieve shaft (24). The filtering sieve shaft has the advantages of guaranteeing sieving granular size and solving the problem that materials are not blocked in the hollow filtering sieve shaft. The filtering sieve shaft has the advantages of being good in anti-impact capacity, efficient in sieving, capable of guaranteeing granular size, free of material blocking, capable of removing iron, even in material distribution, capable of meeting requirements of more than two discharging granular sizes, convenient to overhaul, favorable for replacing parts and the like and is major breakthrough in the field of the sieving machine.

A screen panel center retainer system for a vibrating separatory machine utilizes a center retainer that is provided with a retainer base which is adapted to be secured to screen stringer rails of a vibrating separatory machine. A pair of retainer channel legs form an upper portion of the center retainer and have screen panel edge receiving slots. A locking strip, having a wedging tongue, is used in conjunction with the center retainer. The wedging tongue is insertable into the channel on the center retainer which is defined by the two retainer channel legs. Flow control dams and cross dam retainers are used in conjunction with, and in addition to the center retainers and locking strips. The cross dam retainers are provided with locking strip end receiving pockets, to compensate for changes in the length of the locking strips. The screen panel center retainer system is configured to provide a functional, universal installation of screen panels on vibrating separating machines.

The invention discloses a mobile terminal control method, a mobile terminal and a storage medium. The mobile terminal comprises a first long strip-shaped fingerprint sensor and a second long strip-shaped fingerprint sensor, wherein the first long strip-shaped fingerprint sensor is arranged at a first side of a mobile terminal body and the second long strip-shaped fingerprint sensor is arranged ata second side of the mobile terminal body. The control method comprises the following steps of: when identity information verification is carried out, obtaining combined fingerprint information of a user holding the first long strip-shaped fingerprint sensor and the second long strip-shaped fingerprint sensor; judging whether the combined fingerprint information is matched with a preset fingerprint combined feature or not; if the combined fingerprint information is matched with the preset fingerprint combined feature, considering that the identity verification succeeds; and if the combined fingerprint information is not matched with the preset fingerprint combined feature, considering that the identity verification fails.

The invention discloses a forming method of non-planar polyurethane screen meshes. The forming method of non-planar polyurethane screen meshes comprises the operation steps of a, selecting high-tenacity polyurethane material, heating the high-tenacity polyurethane material to 140 DEG C, removing humidity, drying raw material and feeding the raw material into a material fixer, adding nanometer materials, gas-phase silicon dioxide and ultrafine ink powder to commonly mix and form a synthetic material. According to the forming method of the non-planar polyurethane screen meshes, the aperture ratio is increased by 50% on the original basis; an isosceles triangle is arranged; holes are formed in two oblique sides; compared with a normal plane screen, the aperture ratio is increased by 50%; apertures are formed in two oblique sides; due to the principle that the water flows through screen holes from top to bottom, high screening efficiency is achieved; good dewatering effect is achieved, so that the holes are not blocked.

The invention discloses an efficient building sandstone screening device which comprises a feeding hopper. A feeding pipe is arranged at the lower end of the feeding hopper; supporting columns are symmetrically arranged on the left side and the right side of the feeding hopper; supporting sleeves are arranged at the lower ends of the supporting columns in a sliding and sleeving manner; supportingblocks are arranged at the lower ends of the supporting sleeves; rollers facilitating device transportation are arranged on the supporting blocks; buffer springs are arranged inside the supporting sleeves, and connect and fix the supporting sleeves and the supporting columns; a buffer mechanism is arranged to effectively improve the vibration resistance of the device; a connecting ring is arrangedbelow the feeding hopper; a screening plate is arranged at the upper end of the connecting ring, and is cone-shaped; the cone-shaped tip is corresponding to the discharging pipe in position; a collecting hopper is arranged at the lower end of the connecting ring; and a discharging pipe is arranged at the lower end of the connecting hopper. The efficient building sandstone screening device is simple and reasonable in structure, convenient to carry, high in vibration resistance, and high in practicability, and eliminates defects in an existing device.

The invention discloses a water attack angle forward-inclined ultra-high-speed cruise rescue speedboat. The speedboat comprises a speedboat body, a water channel and a propelling pump, the water channel parallel to the axis of the speedboat body is arranged at the bottom of the speedboat body, and the propelling pump is arranged on an internal path of the water channel. The propelling pump comprises a seat ring, axial flow blades, a magnetic bearing, a stator and a rotor. An annular groove is formed in the water channel, the seat ring is arranged in the groove through the magnetic bearing, theaxis of the seat ring coincides with that of the water channel, a plurality of axial flow blades which are circumferentially and uniformly distributed are mounted on the inner ring of the seat ring,the axial flow blades are fan-shaped about the axis of the seat ring and extend towards the axis direction of the seat ring, all the axial flow blades extend to the axis of the seat ring and then arespot-welded together, the rotor is fixedly installed on the outer ring of the seat ring, the stator is fixed to the inner wall of the water channel and faces the rotor, the magnetic bearings are installed on the seat ring and the inner wall of the water channel in pairs, and the magnetic bearings are arranged in the axial direction and the radial direction of the axis of the water channel.

The invention discloses air drying equipment for plastic extruded strips. The air drying equipment comprises a bottom plate, wherein supporting feet are arranged on the edge of the lower end surface of the bottom plate; the number of the supporting feet is not smaller than 6; the supporting feet are uniformly distributed on the edge of the lower end surface of the bottom plate. According to the invention, through rollers, movement of the equipment can be achieved, so that a special production requirement of a user on the movement of the equipment in the production process can be met; meanwhile, through cooperative use of electric telescopic rods and counterweights, fixing of the equipment is achieved; furthermore, through vibration-proof gaskets on the bottom end surfaces of the counterweights, adverse effects of vibration generated by the equipment in the production process on other production processes are effectively reduced; through adjustment of rotating shafts 3, the inclinationangles of wind deflectors can be controlled so as to control the wind direction in the air drying process, and the air drying uniformity of plastic is guaranteed; moreover, air entering a main body isheated by heating tubes 1, so that the air drying efficiency of the plastic is greatly improved.