48results about How to "High removal accuracy" patented technology

The invention discloses a motion noise interference eliminating method suitable for a wearable heart rate monitoring device based on a photo plethyamo graphy. The method can effectively eliminate motion noise interference and improve heart rate value monitoring precision. According to the method, an NLMS self-adapting filter and a Mallat algorithm are combined, and six-axis acceleration signals generated by a triaxial accelerometer and a gyroscope are selected as motion reference signals of the self-adapting filter to eliminate part of motion noise interference. The method takes full consideration of complexity and calculation amount of the algorithm, the characteristic that motion noise and heart rate noise are equal in frequency, and other noises and the heart rate noise are not overlapped in frequency is utilized, and through two efficient and low-complexity algorithms, different noises are eliminated step by step, and the purpose of calculating the heart rate in real time is achieved. The low complexity of the method guarantees practicability of the method on the wearable heart rate monitoring device.

The invention provides a hydrofining process of waste lubricating oil. The process comprises: after pre-treating, dewatering and removing impurities from a raw material, removing pitch and colloid in a propane extraction or wiped film vaporization device, and perfecting the product quality via a two-stage hydrofining reactor, and filling a hydrogenation protective agent and a demetallization agent in a pre-hydrogenation reaction, wherein the reaction temperature is 310-360 DEG C, the pressure is 6-12 MPa, the volume ratio of hydrogen to oil is 100-300, and the liquid volume space velocity is 0.5-1.2h<-1>, the reaction temperature of a main hydrogenation reactor is 320-400 DEG C, the pressure is 6-12 MPa, the volume ratio of hydrogen to oil is 500-1000, the liquid volume space velocity is 0.2-0.6h<-1>, and the used catalyst is Ni-Mo-W-Ce/Al2O3 or Ni-Mo-P-La/Al2O3; no acid or alkali waste is discharged in the production process, thereby being environmentally friendly and pollution-free, the recovery rate of the waste oil is higher than 95%, and the oil quality can be greatly improved to increase the economic benefits.

The invention provides a burr removal device and a burr removal method. The burr removal device (100) comprises: grinding components (21, 31) which includes rotating shafts (25, 35) and grinding faces (21C, 31C) rotated along with and orthogonal to the rotating shafts (25, 35); a displacement component (10) which enables a grinded component (1) and the grinding components (21, 31) to relatively displace down a straight path; driving components (20, 30) which drive the grinding components (21, 31) to apply the grinding components (21, 31) to the grinded component (1) at a first grinding position that deviates from a central path of the grinded component (1), and to apply the grinding components (21, 31) to the grinded component (1) at a second grinding position that is isolated from the central path of the grinded component (1) and offset at one side opposite to the first grinding position.

The invention discloses a method for treating pickling wastewater in iron and steel industry. The method comprises the following steps: a) introducing pickling wastewater into a regulating tank, a chromium reduction tank and a heavy metal catcher; b) separating heavy metal precipitate produced in reaction from clear liquor through an ultramicro separating machine, carrying out primary fluoride removal on the clear liquor in a fluoride removal filter; c) feeding the mixed solution subjected to primary fluoride removal into a primary precipitating tank for separating non-ferrous precipitate from water, then carrying out secondary fluoride removal on the clear liquor in a fluoride reaction tank; and d) feeding the mixed solution subjected to secondary fluoride removal into a secondary precipitating tank for separating non-ferrous precipitate from water, and emitting the separated clear liquor into a clear water tank for storage. The method has high metal particle separation efficiency, the ultramicro separation machine has concentration effect, so no concentration tank is required for separating the precipitate from the clear liquor to save space and the labor force, the indexes of iron, chromium, nickel, fluoride and the like in the clear liquor emitted from the secondary precipitating tank can all meet the national-level standard requirement.

The invention relates to an adsorbent for removing sulfur-and-oxygen-containing impurities from a light hydrocarbon material flow, and a preparation method and a regeneration method of the adsorbent. The adsorbent is prepared by expanding pores by using organic amine, adding an alkali metal salt solution which contains a small quantity of rare earth metals, blending and then adding an adhesive for rolling balls and forming, wherein activated aluminum oxide and kaolin are taken as raw materials; and performing high-temperature roasting and activating after low-temperature drying is performed, wherein the prepared adsorbent consists of Al2O3, SiO2, alkali metal oxides and trace rare earth oxides; the particle diameter of the prepared adsorbent is 2.5 to 5.5mm; the specific surface area of the adsorbent is 260 to 320m<2>/g; the pore volume of the adsorbent is 0.3 to 0.35ml/g. According to the adsorbent, electric charges on the surface of the adsorbent are distributed reasonably by the synergistic effect of introduced different types of rare earth metal elements, the removal precision and the adsorption capacity of the sulfur-and-oxygen-containing impurities by the adsorbent are greatly improved, and meanwhile, the selectivity of the adsorbent on polar molecules is greatly improved by introduced sodium silicate, and overall adsorption heat is reduced. The process is simple; the prepared adsorbent can be regenerated and recycled; the regeneration method is simple.

The invention discloses a cleaning agent for removing iron carbonyl and nickel carbonyl in synthesis gas and a preparation method and application of the cleaning agent. The invention belongs to the field of gas purification. The general formula of the cleaning agent is CuZnAl(O)-carrier; the molar ratio of Cu to Zn to Al is (58-62):(26-21):(16-17), and the mass ratio of the carrier to CuO is (1.7-2):1. The preparation method for the cleaning agent comprises the following steps of in sequence: preparing soluble salt with active ingredients into a solution A; soaking to obtain a cleaning agent precursor A; drying to obtain a cleaning agent precursor B; preparing the soluble salt with the active ingredients into a solution B; soaking to obtain a cleaning agent precursor C; drying; adding bentonite and water; extruding; and roasting to obtain the cleaning agent, wherein the reaction temperature is 170-300 DEG C, the reaction pressure is 0-2.0MPa, and the reaction airspeed is 500-8000h-1. The cleaning agent with higher removal precision more meets the requirements of the methanol large-scale synthesis gas purification aspect at present.

The invention provides a low-resistance adsorbing material based on resin microspheres. The low-resistance adsorbing material has a boundary dimension much bigger than that of a microsphere, so that the resistance of a bed layer is relatively low when the adsorbing material is used for fixing a bed, meanwhile, the internal diffusion problem is relatively small, the adsorption and exchange capacity and precision are basically not decreased. The low-resistance adsorbing material is formed by bonding a spherical, strip-shaped, honeycombed, cylindrical or abnormal-shaped body with boundary dimension much bigger than that of the microsphere with a plenty of adsorbing or ion exchange resin microspheres, most openings of internal micropores of the resin microspheres in the outer surfaces of the microspheres are not blocked, and the resin microspheres are directly communicated with the outer surface of the adsorbing material or are communicated with the adsorbing material through ducts among the microspheres; and the low-resistance adsorbing material can be applied to the recycling of organic solvents, the tissue and non-tissue exhaust VOCs removal and the deoiling treatment of oil-containing water.

The invention discloses a remote sensing image thin cloud removal method and system based on full-band feature fusion. The method comprises the following steps: carrying out multispectral influence thin cloud removal on a multispectral remote sensing image to be processed by using a trained thin cloud removal network; wherein the trained thin cloud removal network is obtained through the following steps: obtaining multispectral remote sensing images in the same region under the condition of clouds and no clouds, and obtaining a training set and a test set; sampling to obtain spatial features and spectral features of spectral bands with different resolutions of the image; carrying out feature fusion to respectively obtain feature maps of the images under the cloud condition and the cloud-free condition; calculating multi-path supervision loss, and optimizing network parameters of a preset thin cloud removal network; and training and testing the optimized thin cloud removal network by using the training set and the test set to obtain a trained thin cloud removal network. The method is high in thin cloud removal precision and small in error, compared with the prior art, the removal training is greatly improved, and the method has a wide application space in multispectral remote sensing images.

The invention relates to a ship rust removal automatic wall-climbing robot device based on the magneto-rheological effect, which mainly includes a shell, a collar, a vacuum tube installation sleeve, an inlet liquid guide plate, a high-pressure tube support sleeve, a high-pressure tube upper sleeve, a high-pressure tube Lower socket, rivets, bolts, high-pressure pipe installation socket, elastic sealing ring, T-shaped catheter, motor support, motor, sprocket, chain, wheel, electromagnetic coil, bearing, end cover, drainage tube, cover , rotating fan blades, nozzles, cylinders, permanent magnets and shafts. The whole device is divided into the vehicle driving part and the magneto-rheological effect derusting part. The driving mode of the whole drive is motor-driven, and it crawls on the surface of the ship through cooperation with the permanent magnet; the magnetorheological fluid in the magnetorheological effect derusting part Through the inlet guide plate, after the T-shaped catheter is rectified, it enters the drainage tube, and it is drained to each nozzle through the drainage tube. Under the action of the electromagnetic coil, a magneto-rheological effect occurs to form a flexible grinding head, and then the surface of the ship is cleaned. rust.

The invention relates to the technical field of machining, in particular to a device for removing burrs of wheel bolt holes. The device comprises a wheel positioning and rotating system, an auxiliaryclamping system and a deburring system, wherein the three systems are mutually assisted. The burrs in the bolt holes and the chamfering burrs on the backs of the bolt holes can be simultaneously removed, the removing precision is high, the efficiency is high, the adjustment is flexible and convenient, and the device can adapt to deburring of the wheel bolt holes of different specifications, and ishigh in universality.

The invention relates to the field of plastic injection product machining, in particular to a full-automatic deburring device. The full-automatic deburring device comprises a machine frame, a controller, a photoelectric sensor, a front limiting device, a rear limiting device, punching pin cylinders, a vibrating disk, a conveying rail and a conveying line, wherein the controller, the photoelectric sensor, the front limiting device, the rear limiting device, the punching pin cylinders, the vibrating disk, the conveying rail and the conveying line are installed on the machine frame, and the vibrating disk, the conveying rail and the conveying line are connected in sequence. A product locating mold is arranged at the bottom end of the conveying line, the photoelectric sensor is installed on one side of the product locating mold, the punching pin cylinders are installed on the two sides of the conveying line, the front limiting device and the rear limiting device are installed at the front end and the rear end of the product locating mold respectively, and the photoelectric sensor, the front limiting device, the rear limiting device and the punching pin cylinders are connected with the controller. The full-automatic deburring device is completely automatic, is simple in operating mode and high in production efficiency and deburring accuracy, and saves the labor cost.

Micro device optical inspection and repairing equipment adopting an adhesion device is provided. The micro device optical inspection and repairing equipment includes a carrying stage, an optical inspection module and at least one adhesion device. The optical inspection module is arranged corresponding to the carrying stage so as to capture image information and obtain a position coordinate from the image information. The adhesion device includes a main body and an adhesive portion. The adhesive portion is connected to the main body. The adhesion device can move to a target position of the carrying stage according to the position coordinate. The main body is adapted to drive the adhesive portion to move to the target position along a moving axis. An optical inspection and repairing method adopting the micro device optical inspection and repairing equipment is also provided.

The invention discloses production equipment for a semi-finished integrated chip, and the equipment comprises a processing machine body and a conveying cavity which is disposed in the processing machine body and is laterally through. The interior of the processing machine body is sequentially provided with a metal sputtering coating cavity, a coating photoresistor cavity, a photoetching cavity anda first sliding guide groove from the left to the right, wherein the openings of the metal sputtering coating cavity, the coating photoresistor cavity, the photoetching cavity and the first sliding guide groove are communicated with the conveying cavity and face downwards. The interior of the processing machine body is provided with a second sliding guide groove, wherein the opening of the secondsliding guide groove faces upwards and is communicated with the conveying cavity. The interiors of the front and rear walls of the second sliding guide groove are communicated with guide rail grooveswhich are arranged in symmetry and extend along the second sliding guide groove. The inner wall of the rear end of the second sliding guide groove is provided with first displacement sensors which are located exactly below the central lines of the conveying cavity, the coating photoresistor cavity, the photoetching cavity and the first sliding guide groove. The equipment is simple in structure, is convenient to operate, is precise in processing, and improves the processing efficiency and effect of the integrated chip.

A biological image denoising algorithm based on a statistical rule belongs to the optical microscopic technology and metering microscopic imaging technology fields. By using a traditional algorithm, in a processing result, a noise can not be completely removed so that an engineering need can not be satisfied, and many limitations exists during image processing. The algorithm comprises three steps of filtering template selection, cell edge and noise monitoring, and image denoising processing. A specific process comprises the following steps of using a biological microscope to collect RGB images of biological cells and selecting filtering templates to be a mean value filtering template and a Gaussian filtering template; using the mean value filtering template and the Gaussian filtering template to traverse a collected whole biological cell image and determining a biological cell edge position and an isolated noise point position; and carrying out filtering processing on the biological cell edge position and the isolated noise point position, filtering a isolated point noise, retaining a biological cell sample graph and acquiring a denoised biological cell image. The algorithm is used for biological image denoising.

The invention discloses a device and method for automatically searching an unbalanced point position after vertical dynamic balance detection. The device includes a rack, an electrical control system,and a display system; a 360-degress dial is arranged on a working table surface of the rack; a clamp is coaxially arranged on the 360-degress dial; the clamp and the 360-degress dial are connected toa drive device; the drive device is connected to the electrical control system; and a photoelectric sensor is arranged near the 360-degress dial. The device and method can uses a servo system to automatically rotate a workpiece to find an unbalanced angle position, uses the sensor to determine a zero point position, may quickly search an unbalanced position point and quickly move the point to a weight removing position, is quick in searching speed, is high in position searching precision, can completely and automatically move to the weight removing position, is high in universality, can achieve various dynamic balance detections and weight removing operations, may reduce manual operation errors, can improve the removing accuracy, can improve the balancing efficiency, and can improve the product quality.

The invention relates to a hand-held wall-climbing robot device for derusting ships based on the magneto-rheological effect. The device includes a shell, a collar, a vacuum tube installation sleeve, an inlet guide plate, a high-pressure tube support sleeve, a high-pressure tube upper sleeve, a high-pressure tube lower sleeve, rivets, bolts, a high-pressure tube installation sleeve, an elastic sealing ring, a T Shaped catheters, bearings, universal balls, electromagnetic coils, end caps, drainage tubes, covers, rotating fan blades, nozzles, cylinders and permanent magnets. The whole device is divided into the vehicle driving part and the magneto-rheological effect derusting part. The driving mode of the whole driving part is hand-held driving, and crawls on the surface of the ship through the cooperation of the universal ball and the permanent magnet; the magnetorheological effect derusting part The magnetorheological fluid in the tube passes through the inlet guide plate, enters the drainage tube after being rectified by the T-shaped catheter, and drains it to each nozzle through the drainage tube. Under the action of the electromagnetic coil, the magnetorheological effect occurs to form a flexible grinding head. Then the surface of the ship is derusted.

The invention discloses a belt foreign matter automatic identification device. The belt foreign matter automatic identification device comprises an upper box body; the lower end of the upper box bodycommunicates with the upper end of a conical hopper; the lower end of the conical hopper communicates with the lower end of a lower box body; a material outlet is formed in the right side of the lowerbox body; an iron sleeve pipe is magnetic due to a post-shaped strong magnet; an iron material is attracted to the surface of the iron sleeve pipe; the iron sleeve pipe drives the iron material to rotate around the axis of the post-shaped strong magnet anti-clockwise; an iron material accommodation cavity is formed by a vertical baffle plate, a side baffle plate, a material scraping plate and theiron sleeve pipe; the iron material falls into the iron material accommodation cavity; working load of a worker is reduced; the iron material removing efficiency is high; the worker can adjust the height of a material baffle plate; besides, the worker rotate nuts through an external wrench to fix the position of the material baffle plate; the material outlet speed of coal blocks in the lower boxbody and the thickness of coals on an external conveyer belt are adjusted by adjusting the area, which is shielded by the material baffle plate, of a material outlet; and the iron material removing precision of the belt foreign matter automatic identification device is improved.

The invention discloses a film layer removing process for a silicon-based OLED micro-display device, and belongs to the technical field of silicon-based OLED micro-display device preparation. The film layer removing process comprises the following steps of feeding a wafer to be processed, positioning the wafer on a work platform, and completing laser alignment; starting a laser system, conducting single-point multi-time laser operation on the target film layer to remove the target film layer, and conducting nitrogen purging on an operation area; conducting wet cleaning operation on the wafer of which the film layer is removed by the laser; and conducting baking operation on the cleaned wafer. The film layer removing process has the beneficial effects that the film layer removing process is simple, the film layer removing efficiency is high, poor etching and packaging layer damage abnormity can be avoided, the product yield is improved, and meanwhile, the process cost is reduced.