38 results about "Screening procedures" patented technology

A production green quality comprehensive evaluation method for a distribution transformer comprises the steps of collecting data, forming a quality detection index matrix, a production energy consumption index matrix and a carbon footprint characteristic index matrix, screening procedures which have great influence on energy consumption by using a K-means clustering algorithm, constructing a production energy consumption index set, updating the production energy consumption index matrix, and evaluating the production green quality of the distribution transformer. And performing normalization processing on various index matrixes to form a normalized index data matrix. On the basis, respectively calculating the weight of each index by adopting a CRITIC method and an entropy weight method to obtain an overall CRITIC weight vector and an overall entropy weight vector; according to a minimum identification information principle, solving an optimal combination weight through a Lagrange multiplier method; and calculating a comprehensive evaluation score and a corresponding grade. The multi-dimensional data fusion mode can reflect the green production quality of the distribution transformer more comprehensively and accurately.

The utility model relates to a coal mine screening device which comprises a screening box, and a multi-stage screening mechanism used for screening a coal mine is arranged in the screening box; the discharging barrel is installed above the screening box, a turnover mechanism and a drying mechanism are arranged in the discharging barrel, and a feeding opening is formed in the top end of the discharging barrel; the supporting frame is arranged on the ground, the top end of the supporting frame is connected with a mounting part, and the discharging barrel is fixedly connected to the mounting part. Therefore, through the multi-stage screening mechanism, the whole device can achieve the vibration grading screening effect, the raw materials can be divided into different grades according to the particle size, and therefore targeted application of the follow-up raw materials is facilitated. The raw materials can be fully overturned by the overturning mechanism, the raw materials can be dried when the whole device is used in cooperation with the drying mechanism, the raw materials can be overturned and dried through cooperation of the operation, the dryness of the raw materials during screening is guaranteed, and the screening effect of the follow-up screening procedure is further guaranteed.

The invention discloses a sand mold casting waste sand recovery treatment device, and relates to the technical field of sand mold recovery, the sand mold casting waste sand recovery treatment device comprises a treatment device box body, the treatment device box body is internally provided with a large cavity and a small cavity, the top of the treatment device box body is fixedly connected with a feed inlet, and the bottom of the treatment device box body is fixedly connected with a base frame; a screening assembly is arranged on the treatment device box and comprises a first motor fixedly connected to the outer surface of the treatment device box through bolts, and an output shaft of the first motor penetrates into the treatment device box. The rotatable screen and the second material guide plate impact the screen to form flapping, small-particle gravel blocks clamped in holes of the screen body of the screen are flapped off, then the screen body of the screen can be effectively cleaned, the situation that due to the fact that the holes of the screen body of the screen are blocked, the normal screening procedure cannot be carried out is avoided, and the screening efficiency is improved. And normal gravel screening operation of the screen is guaranteed, the step of manual cleaning is reduced, and the screen can be repeatedly used.

The invention discloses a production method of high-quality cold-pressed sesame oil, and relates to the field of cold-pressed sesame oil, and the production method of the cold-pressed sesame oil comprises the following steps: S1, screening; s2, hardening and tempering the raw materials; s3, a squeezing process; s4, a multi-stage fine filtration process; and S5, a storage process. In the whole production process, through multiple screening procedures, combination of magnetic separation, a vibrating screen and a specific gravity stoning machine and multiple times of screening, stoning and magnetic separation operation, various impurities in sesame can be efficiently removed, the purity of raw materials is guaranteed, raw material tempering is conducted through spraying humidification and constant-temperature heating, moisture and temperature parameters are accurately controlled, and the production efficiency is improved. According to the sesame oil press, the plasticity of sesame is improved, the yield is further improved, the oil pressing effect and the oil yield are effectively guaranteed by combining sectional operation of sectional type cold pressing, primary pressing and secondary pressing and a pressing machine with a machine core water cooling function in the pressing procedure, and the clarity of sesame oil is remarkably improved by controlling parameters such as filtering equipment, temperature, hole diameter and pressure through multi-stage refined filtration.

The utility model provides a baking machine with a screening device, and belongs to the technical field of food processing. Comprising a machine body, a parching assembly is rotationally arranged in the machine body, and a screening device is arranged at a discharging opening of the parching assembly; the screening device comprises a flow dividing box, a screen plate is arranged on the flow dividing box, the screen plate is arranged at a discharging port of the baking and frying assembly in an arc shape from the bottom of the discharging port in the discharging and rotating direction of the baking and frying assembly, and a movable screen plate is arranged in the flow dividing box. The device has the advantages that materials fall into the flow dividing box through the discharging opening, and scraps are preliminarily separated through the sieve plate and the movable sieve plate; the chips and the small particles enter the flow dividing box through the screening holes, the screening device is directly integrated to the discharging opening of the baking and frying assembly, the screening procedure is synchronously completed when discharging is conducted after baking and frying are completed, the additional screening procedure after collection is not needed, the machining process is effectively shortened, and the production efficiency is improved.

A sequence-to-fixed-length transformation is used to process a sequence representation of a molecule structure to yield a fixed-length representation. A transformation of the fixed-length representation yields a prediction of one or more properties of the molecular structure. For example, the molecular structure is a candidate drug and the process described above is part of a screening procedure.

A system for short-term screening and triage of a subject includes a smart device in the subject's possession and an application on the smart device programmed to provide instructions to the subject to start a screening procedure, the application programmed with multiple screening procedures, and record sensor data obtained from a sensor located in the smart device.

The invention discloses a solid sodium silicate preparation process based on particle size controllable water quenching, and relates to the technical field of inorganic silicate chemical industry, and the preparation process comprises the following specific steps: S1, melting and homogenizing raw materials; s2, particle size controllable water quenching; s3, carrying out solid-liquid separation and online grading; and S4, deep drying and packaging. According to the invention, the innovation and simplification of the production process are realized: through an atomization-cooling one-step forming method, high-energy-consumption crushing and screening procedures in the traditional process are thoroughly eliminated, the process flow is shortened, and the equipment investment and maintenance cost are reduced; solid particles with high sphericity and smooth surfaces are directly generated, the product fluidity is good, the bulk density is stable, the whiteness is high, the caking tendency is avoided in the subsequent dissolution process, the dissolution rate is higher, and the application performance is excellent.

The invention relates to the technical field of corn processing, in particular to an efficient corn kernel harvester with an arrangement conveying structure, which comprises an outer frame and a positioning frame, a feeding groove is arranged at one end of the top surface of the outer frame, the positioning frame is fixedly mounted at the middle section of the interior of the outer frame, and a rotating rod is rotatably arranged at the center of the interior of the positioning frame; a storage plate is fixedly mounted on one side of the rotating rod in the positioning frame; according to the invention, firstly, a plurality of groups of corn cobs are dynamically clamped so as to be compatible with the corn cobs with different specifications and realize a parallel multi-cob threshing effect, secondly, a cooperative mode of axial rotation and transverse, longitudinal and radial slicing is adopted to realize multidirectional composite threshing and force the corn cob threshing rate to be stably improved, and finally, through integrated sorting and discharging, the corn cob threshing efficiency is improved. Secondary threshing and screening procedures are compelled to be completed synchronously, the broken core mixing rate is effectively controlled, and the corn harvesting quality and efficiency are improved.

The invention pertains to the use of a specific biomarker of elastin degradation (desmosine) that measures the extent and progression of chronic obstructive pulmonary disease (COPD). In addition to potentially serving as a screening procedure for COPD, it provides a real-time measure of COPD drug efficacy and may therefore supersede the use of less sensitive tests such as pulmonary function studies and computed tomography. Equally important, the current invention constitutes a marked improvement for measuring desmosine in tissues and body fluids by greatly shortening the time for detection of this molecule in liquid chromatography-tandem mass spectrometry (LC-MS-MS) assays that are the gold standard for such measurements. Unlike previous methods, the invention allows for the use of LC-MS-MS without modification, so the method can be applied to any laboratory that uses this equipment for other measurements. This would include forensic facilities that need to determine if undiagnosed COPD played a role in the loss of life.

The invention relates to an automatic emulsified granular ammonium nitrate fuel oil explosive raw material feeding system which comprises a feeding box, a feeding hopper connected to the top of the feeding box and a receiving device arranged on the feeding hopper and further comprises a screening mechanism. The screening mechanism is arranged on the feeding box and comprises a swing assembly arranged on the side face of the feeding box, a screen assembly arranged on the swing assembly, two collecting assemblies arranged on the feeding box, sweeping assemblies arranged on the collecting assemblies and a restraining assembly arranged on the swing assembly. The feeding mechanism is arranged to be matched with the screening mechanism, so that the uniform and stable continuous screening process of the raw materials is achieved, and the technical problem that the continuous and stable operation of the feeding system is restricted due to the bridging phenomenon caused by accumulation in the screening procedure of raw material feeding due to the poor fluidity of the materials is solved.

The utility model relates to the technical field of modified plastic particle production, in particular to a drying and screening all-in-one machine for modified plastic particle production, which comprises a screening machine, a conveyor, a feeding hopper, a heat preservation cover, a fixing block and a heating pipe. The heat preservation cover covers the conveyor, the heating pipes are fixed to the inner side face of the heat preservation cover through the fixing blocks, and the heating pipes are horizontally arranged. A heat preservation cover is arranged at the position of the conveyor, modified plastic particles conveyed in the conveyor are dried through the heating pipe, and after the modified plastic particles enter the screening machine, the device achieves the screening procedure of the modified plastic particles and completes drying of moisture of the modified plastic particles.

The utility model relates to the technical field of screening, and discloses a stirring and screening device which comprises a rack, a hopper arranged on the rack, a stirring mechanism arranged in an inner cavity of the hopper, a screening disc arranged below an outlet of the hopper, a screening mechanism connected with the screening disc and a driving mechanism arranged on the rack. A plurality of screening holes are formed in the screening disc; and the driving mechanism is in transmission connection with the stirring mechanism and the screening mechanism, and the driving mechanism is used for driving the stirring mechanism to stir the materials in the hopper, driving the screening disc to reciprocate when driving the screening mechanism to operate, and screening the materials with different particle sizes. By arranging the driving mechanism, the stirring mechanism and the screening mechanism can be driven to operate synchronously, so that materials in the hopper are stirred and scattered, the materials are screened through the screening disc, the stirring and screening procedures are completed in one device, higher efficiency is achieved, and the size and manufacturing cost of the device are reduced.

Methods and systems for managing operations of a data processing system are disclosed. To manage operations of the data processing system, a hardware resource of the data processing system may identify that a device is operably connected to the data processing system. A management controller of the data processing system may perform a screening procedure to determine whether the device is an any known good device. If the device is not the any known good device, the device may be denied access to the data processing system to reduce an impact of the device on the operation of the data processing system. If the device is the any known good device, the device may be allowed access to the data processing system to perform functions of the device. Computer-implemented services may be provided using the device.

The present invention discloses a Cu-MOF material for specifically enriching antioxidant peptides and its preparation and application method. The Cu-MOF is an organic metal framework material with Cu as the metal atom and a specific surface area of ​​1300 to 1500 m 2 / g, pore diameter is #imgabs0#, pore volume is 0.6~0.8cm 3 / g, the Cu metal atoms of the Cu-MOF and the antioxidant peptides specifically and selectively adsorb each other through chelation, and the huge specific surface area and micropore volume significantly increase the contact area of ​​the chelation, greatly improving the purification efficiency of the antioxidant peptides, greatly simplifying the subsequent chromatographic screening procedure, and reducing the manual operation of the staff while maintaining the purity and quantity of the obtained antioxidant peptides.

The utility model provides a kind of sulphuric acid residue efficient utilization sintering equipment, including sintering furnace, the side of sintering furnace is provided with screening cylinder, spiral disc is fixedly connected in the screening cylinder.The utility model has the advantages that: the inertia of sulphuric acid residue with higher iron element content is stronger, it moves to discharge plate over drop hole, and rolls to screening box along discharge plate.Start motor drives magnetic roller to rotate, sulphuric acid residue in screening box falls on magnetic roller under the action of inertia, sulphuric acid residue with more iron content relative to its mass is adsorbed and driven to rotate by magnetic roller, sulphuric acid residue with less iron content relative to its mass flows along magnetic roller to enter discharge cylinder at through hole, so that the magnetic separation of sulphuric acid residue is realized.Sulphuric acid residue with higher iron element content enters sintering furnace through material passage, and completes ironmaking work with other ironmaking raw materials.Sulphuric acid residue is automatically screened, and two screening procedures are passed, and ironmaking raw material has higher iron element content, which is conducive to improving ironmaking quality.

The utility model discloses an intelligent glass bottle screening device, and belongs to the technical field of glass bottle screening. The screening device comprises a conveying belt, the conveying belt is provided with a bearing block, the bearing block is provided with a bearing groove so as to contain glass bottles, and the bearing groove penetrates through the bearing block; the feeding mechanism is located at the starting end of the conveying belt, and the glass bottles fall to the bearing block in a horizontal state; the color recognition device is connected with the conveying belt and used for recognizing the color of the glass bottle; and the sorting device is in communication connection with the color recognition device, the sorting device is located on the side, close to the terminal end of the conveying belt, of the color recognition device, the sorting device comprises a push rod, and the push rod is provided with a sorting position stretching into the bearing groove and a standby position far away from the bearing groove. The technical problem that rapid and automatic sorting of the glass bottles is difficult in the current glass bottle screening procedure is solved.

The invention relates to a concrete aggregate crushing and screening device which comprises a screening roller, a plurality of screening holes, a plurality of supporting rods and a plurality of supporting rods. The crushing roller is arranged in the screening roller, and the axial direction of the crushing roller is parallel to the axial direction of the screening roller; the rotary sliding assemblies are arranged at the two ends of the screening roller and comprise rotating parts capable of rotating relative to the screening roller and sliding assemblies arranged on the rotating parts in a sliding mode, and the sliding assemblies are connected with the two ends of the crushing roller; the driving assembly is connected to the screen roller and the rotating part and used for driving the screen roller and the rotating part to rotate; and when the driving assembly drives the rotating part to rotate, the sliding assembly slides under the action of centrifugal force and drives the crushing roller to translate, so that the outer circumferential surface of the crushing roller is close to the inner circumferential surface of the screening roller. The crushing effect can be dynamically optimized according to actual working conditions, and the efficiency and adaptability of crushing and screening procedures are improved.

The utility model discloses a collagen raw material pretreatment multistage cleaning screening integrated machine, including the box, the top of box is provided with the feed inlet, the box is divided into preflushing area, high pressure sprinkling area and screening area in proper order along raw material processing flow, be provided with first conveyer in preflushing area, the top of first conveyer is arranged with preflushing pipe, be provided with second conveyer in high pressure sprinkling area, the top of second conveyer is installed with high pressure sprinkling pipe, be provided with vibration box in screening area, install multilayer vibrating screen in vibration box. Advantageous effects: the utility model discloses by with the screening procedure integration in the same equipment in cleaning procedure, raw material enters after feed inlet, can complete preflushing, high pressure sprinkling cleaning and multistage screening operation in proper order, need not manual transfer, greatly reduces manual operation, reduces labor intensity, shortens processing cycle simultaneously, improves production efficiency.

The invention discloses a DHA (docosahexaenoic acid) production strain and application thereof, and belongs to the technical field of microorganisms. According to the present invention, by using the ARTP mutagenesis technology, the screening procedures such as shake flask adaptive screening, plate pre-screening, shake flask primary screening and shake flask secondary screening are respectively utilized to superpose dominant mutation, such that the strain capable of producing DHA at the high yield by using the inorganic nitrogen source is obtained through screening, the strain has good passage stability, and the DHA yield can be maintained at more than 54 mg / L after the passage is performed for more than 5 times; the strain can maintain high DHA fermentation capability in a culture medium in which inorganic nitrogen source nitrate is used for replacing part of organic nitrogen sources, and is suitable for industrial production.

The utility model discloses automatic sorting equipment for cold heading steel balls, and relates to the technical field of steel ball sorting, the automatic sorting equipment comprises a fixed box, a first sorting hopper and a second sorting hopper, a sleeve plate is rotatably arranged between two connecting rods, and the first sorting hopper and the second sorting hopper are both fixedly sleeved in the sleeve plate. According to the cold heading steel ball sorting device, the first sorting hopper, the second sorting hopper, the gear and the rack are arranged, a plurality of cold heading steel balls are placed in the first sorting hopper and the second sorting hopper, when the gear rotates, the first sorting hopper and the second sorting hopper can swing, and the steel balls with small sizes can be sorted out through the first sorting holes; according to the steel ball sorting device, the first sorting hopper and the second sorting hopper are turned over, so that the multiple steel balls can fall into the second sorting hopper, the multiple second sorting holes can sort out the steel balls with the large size, the steel balls do not need to be repeatedly screened, the screening procedure is reduced, and the screening efficiency of the steel balls is improved.

The utility model relates to the technical field of grain elevator, in particular to a single-drive hose grain elevator. According to the technical scheme, the screening device comprises a box body and a screening mechanism fixed to the inner wall of the box body, the screening mechanism comprises a primary screening fan fixed to one side of the outer wall of the box body, a fixing plate is fixedly connected to the position, located at the lower end of the primary screening fan, of the inner wall of the box body, and a plurality of first baffles are fixedly connected to the other side, corresponding to the primary screening fan, of the inner wall of the box body; a secondary screening mechanism is arranged at the bottom end of the inner wall of the box body and comprises a second baffle fixed to the bottom end of the fixing plate, a secondary screening fan is fixedly connected to the end, corresponding to the second baffle, of the other side of the inner wall of the box body, and a conveying mechanism is arranged on one side of the outer wall of the box body and comprises a driving motor. The single-drive hose grain elevator has the functions that grains are screened, empty and unqualified rice is removed, the subsequent screening procedure is omitted, and the subsequent procedure is facilitated.

Method for cargo security screening with multiple viewing angles for screening an object (2) using a cargo security screening system, wherein the cargo security screening system comprises a radiation source (1) for generating a beam of radiation for scanning the object (2) to be screened and a data collection unit (3) for collecting the scanning projection data after the beam of radiation has scanned the object (2) to be screened, wherein the method comprises a scanning step comprising: Rotating the radiation source (1) and / or the object (2) about an axis of rotation to achieve a relative rotation, thereby positioning the radiation source (1) in a plurality of discrete positions with different viewing angles with respect to the object (2) to be inspected, wherein the radiation source (1) moves along a straight line in a direction parallel to the axis of rotation in each viewing angle and simultaneously scans the object (2) to be inspected in each viewing angle to acquire the radiographic projection data; wherein the plurality of discrete positions with different viewing angles is a plurality of positions evenly spaced on a circumference; wherein the method further comprises an imaging step for imaging the object to be controlled (2) on the basis of the X-ray projection data collected by the data collection unit (3), wherein in the imaging step a three-dimensional image of the object to be controlled (2) is reconstructed using the X-ray projection data of the multiple viewing angles in combination, wherein this reconstruction is carried out using a filter back-projection algorithm, expectation maximization algorithm or statistical algorithm with ordered subsets.

The utility model discloses a kind of ceramic frit glaze screening rejection devices, relate to ceramic frit processing technical field.The utility model includes fixed plate, the fixed plate top two sides are respectively fixedly connected with telescopic support and support rod, the telescopic support and support rod top inside are all hingedly connected with support block through pin shaft, the support block one side is fixedly connected with separation tank, the separation tank one side is provided with separation mechanism.The utility model is by being provided with first filter screen and second filter screen of different aperture in separation tank bottom, cooperate threaded conveying rod and be uniformly conveyed to material into separation tank, it is convenient to realize to the preliminary classification screening of ceramic frit glaze, effectively separate out the frit of different particle size, simultaneously, in subsequent screening component, first filter frame and second filter frame further carry out fine screening to material, multiple screening procedures are combined, greatly improve screening precision, compared with traditional single screening structure, it is convenient to more thoroughly eliminate impurity, ensure the quality of ceramic frit glaze.

The utility model discloses an aluminum smelting furnace heat storage ball screening device, and relates to the technical field of heat storage ball screening, the aluminum smelting furnace heat storage ball screening device comprises a base, two first supporting rods and two second supporting rods are fixedly connected to the two sides of the top end of the base respectively, and the top ends of the first supporting rods and the top ends of the second supporting rods are jointly and fixedly connected with a connecting plate; a moving mechanism is arranged at the top end of the connecting plate, a screen frame is arranged at one end of the moving mechanism, the two sides of the screen frame are jointly and fixedly connected with a screen plate, a supporting seat is fixedly connected to one side of the top end of the screen frame, and a feeding assembly is fixedly connected to the top end of the supporting seat. According to the heat storage ball screening device, a plurality of heat storage balls can be rapidly screened conveniently, the screening efficiency of the screening procedure is improved, raw materials needing to be screened can be conveniently added into the screening frame at a constant speed through the feeding assembly, and the practicability of the screening device is improved.

The application discloses a kind of star-ground cooperative based on spaceborne ground target identification algorithm automatic updating method, comprising: step 1, spaceborne computing unit obtains the multiple imaging of hot spot area, and image is sent into on-orbit data screening procedure;Step 2, using spaceborne deep learning target identification algorithm, target feature extraction is carried out to image;Step 3, after identifying the image containing suspected target, image is screened in combination with target template data statistics value;Step 4, select the target information most conducive to algorithm migration from the screened image;Step 5, the result after screening is transmitted back to ground through downlink;Step 6, ground system receives and accumulates satellite downlink data, and sends to high-performance cloud server;Step 7, on the server, execute semi-supervised learning method, use unmarked high-quality on-orbit real data and existing remote sensing data set on ground, complete algorithm model updating and upgrading under the migration learning framework of target detection algorithm model.

The invention relates to the technical field of raw coal impurity removal, and provides a control method for raw coal impurity removal. The control method comprises the following steps that firstly, raw coal is subjected to preliminary screening, fine coal powder is filtered out, meanwhile, coal flow is evenly distributed, and the raw coal with the fine coal powder filtered out enters a next-stage working procedure; secondly, in the metal impurity removal process, in the raw coal transportation process, metal impurities existing in the raw coal are detected and removed in combination with a material recognizer, and the raw coal with the metal impurities removed is conveyed to the next stage of impurity removal and screening process; then, screening of the coal flow is achieved in the impurity removal and screening procedure, the coal flow meeting the blanking requirement falls and is divided under the action of gravity and kinetic energy, and large coal briquettes and impurities which cannot fall off are further screened and subjected to impurity removal; and finally, coal briquettes carried in the impurities are screened out, and the impurities are conveyed to a recycling box. According to the control method, iron metal impurities such as anchor rods in the raw coal can be removed, large impurities can also be removed, and the quality of the raw coal is effectively improved.

Systems and methods for remotely managing security access without an attendant are discussed. More particularly, techniques for a bifurcated screening procedure that screens both individuals and objects entering or exiting a secure area are described. Multiple detection devices and sensors at a security checkpoint in a screening area, such as an enclosed room or other type of enclosure, communicate with a remote management system (RMS). In many instances, the screening procedure may take place completely unattended by human security personnel at the security checkpoint. The RMS provides for overall command and control of multiple scanning systems to provide an automated self-service security solution.

The invention relates to the related technical field of grinding machinery, discloses a building gravel grinding device and method, and aims to solve the problem of low construction efficiency caused by dispersed grinding and screening procedures. A grinding roller for grinding and crushing gravel is arranged on the inner side of a filter cartridge, and after the gravel is fed into the filter cartridge, the gravel can be screened firstly, and the construction efficiency is improved; and then along with rotation of the filter drum, the screened sand and stones are conveyed to the position between the grinding rollers to be ground and crushed, the ground and crushed sand and stones are subjected to secondary screening, and the unqualified sand and stones are conveyed back to the grinding rollers again to be ground for multiple times. And finally, the effects of screening in real time after the sand and stones are ground and feeding back the sand and stones with unqualified volumes for secondary grinding are achieved.

An organ tissue composition or constitution assessment apparatus (10) comprises first and second panel elements (16, 18) disposed in spaced apart and facing relationship. One of the first and second panel elements (16, 17) is adjustable relative to the other in distance. At least one ultrasound emitter (32) is disposed on the second panel element (18). At least one ultrasound receiver (30) is disposed on the first panel element (16), such that the emitter and receiver face another. The panel elements are connected to a support structure (12, 14) and preferably in an arrangement which enables assessment of a patient's body part while the patient is in an upright position. The apparatus includes a processing unit (304) which is configured to determine from the received ultrasound signals a tissue composition or constitution measure associated with the organ tissue to be assessed and preferably an overall tissue composition or constitution measurement across the entire area of the organ tissue to be assessed. The preferred embodiment is able to obtain a measure of an average breast tissue composition or constitution, which can be used as indicative of a medical condition or risk of a medical condition, such as cancer, and as a guide to selection of optimum screening procedures.