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2221results about How to "Achieve separation" patented technology

Device for the generative manufacturing of three-dimensional components

ActiveUS20130108726A1Efficient and cost-effective operationEfficiently formedManufacturing platforms/substratesConfectioneryEngineeringMonochrome
The invention relates to a device for producing products having individual geometries, comprising a substrate carrier device, a material application device for applying material, preferably above the substrate carrier device, which material application device can be moved relative to the substrate carrier device, and a control device which is coupled to the material application device for signaling. According to the invention, the material application device is coupled to an input interface for signaling and for selection of a first or a second application mode, the control device and the application device being designed such as to produce, in the first application mode, a three-dimensional product on the surface of a substrate plate by way of an additive production method, said substrate plate being connected to the substrate carrier device. According to the additive production method, a curable material is applied in consecutive layers, one or more predetermined regions are selectively cured after or during each application of a layer, the predetermined regions being bonded to one or more regions of the underlying layer. The predetermined region(s) is/are predetermined by a cross-section geometry of the product in the respective layer and is/are stored in the control device, and the curable material is applied in a plurality of consecutive layers to produce the three-dimensional product. The control device and the application device are further designed such that in the second mode of application one or more colors are applied to predetermined regions of a print substrate material connected to the substrate carrier device to produce a monochrome or polychrome print.
Owner:BEGO MEDICAL

Conversion method for sound of speaker

ActiveCN102982809AAchieve separationMeet the needs of processing tasksSpeech analysisFrequency spectrumSound quality
The invention discloses a conversion method for sound of a speaker. The method comprises a training stage and a conversion stage, wherein the training stage comprises the steps of respectively extracting a fundamental frequency characteristic, a speaker characteristic and a content characteristic from training voice signals of a source speaker and a target speaker, constructing a fundamental frequency conversion function according to the fundamental frequency characteristic, and constructing a speaker conversion function according to the speaker characteristic. The conversion stage comprises the steps of extracting a fundamental frequency characteristic and a spectrum characteristic from a voice signal to be converted of the source speaker, using the fundamental frequency conversion function and the speaker conversion function obtained in the training stage to convert the fundamental frequency characteristic and the speaker characteristic extracted from the voice signal to be converted, obtaining the converted fundamental frequency characteristic and the speaker characteristic, and synthesizing voices of the target speaker according to the obtained converted fundamental frequency characteristic, the speaker characteristic and the content characteristic in the voice signal to be converted. The method is easy to realize, and the converted sound quality and similarity are higher.
Owner:UNIV OF SCI & TECH OF CHINA

Permanent-magnet type eddy current tuned mass damper

ActiveCN101761146APrecise linear motionStructural damping dropBridge structural detailsTowersStress concentrationElectricity
The invention relates to a permanent-magnet type eddy current tuned mass damper which comprises a steel magnetic-conducting baseplate (10), wherein end plates (3) are respectively arranged at two ends of the baseplate (10). The permanent-magnet type eddy current tuned mass damper is characterized by also comprising a circular shaft (4) and a linear bearing seat (5), wherein two ends of the circular shaft (4) are respectively arranged on the corresponding end plates (3), and the linear bearing seat (5) is sleeved on the circular shaft (4) and can slide on the circular shaft (4); the lower part of the bearing seat (5) is connected with a mass block (6), and two ends of the mass block (6) are respectively connected with the corresponding end plates (3) through spiral springs (7); the lower part of the mass block (6) is connected with a permanent magnet (13), and a copper plate (12) is arranged below the permanent magnet (13) and connected with the baseplate (12) through a cushion block (11). By adopting an eddy current damping model with special design, the permanent-magnet type eddy current tuned mass damper realizes the damping adjustability of the damper in a larger range, realizes the complete separation between the system rigidity and the damper, and cancels the mechanical friction energy consumption and stress concentration elements, thereby avoiding the common TMD damage failure.
Owner:湖南省潇振工程科技有限公司 +1

Data processing management system facing to process flow

The invention provides a management system of data processing for flow, which comprises an interface module, a service module of working flow, a representative module of working flow, an engine of working flow, a working flow module and at least a task processing module, wherein the interface module is used to change the request of the user interface to business event and notice the service module of working flow, the service module of working flow is used to provide uniform working flow service for the various users and call the representative module of working flow when receiving the notice from the interface module, the representative module of working flow is used for the engine of working flow which provides various specific working flows and complete the data conversion between the service module of working flow and the engine of working flow, the engine of working flow is used to deliver task case to the working list of the task executor according to the model of working flow, the model of working flow is used to record the relative information of the business flow, the task processing module, which is linked with the working list, is used to receive activation and complete relative processing procedure of task data. The invention can support large-scale and complex working flow management which is cross organization and quickly adapt for the need of changed business.
Owner:CHINA CONSTRUCTION BANK

Device and method for nitrogen and phosphorus removal for low CN ratio urban sewage through nitrosation and anaerobic ammonia oxidation coupling denitrifying phosphorus removal intensification

ActiveCN103663862AUnified denitrificationUnified phosphorus removal processMultistage water/sewage treatmentMunicipal sewageAmmonia
The invention discloses a device and a method for nitrogen and phosphorus removal for low CN ratio urban sewage through nitrosation and anaerobic ammonia oxidation coupling denitrifying phosphorus removal intensification, and belongs to the field of biological sewage treatment. The device comprises an urban sewage raw water tank, a denitrifying phosphorus removal reactor, an adjusting water tank, a sedimentation tank, and an integrated partial nitrification and anaerobic ammonia oxidation reactor; when the urban sewage enters the denitrifying phosphorus removal reactor, phosphorus-accumulating bacteria utilizes organic carbon source in the urban sewage for anaerobic phosphorus release, sedimentation and water drainage are performed, the amount of output water is adjusted by the adjusting water tank, then the output water enters the integrated partial nitrification and anaerobic ammonia oxidation reactor, contained NH4<+>-N is converted into N2 to be effectively removed through partial nitrification and anaerobic ammonia oxidation, contained PO4 <3-> and a small amount of NO3<->-N produced in the anaerobic ammonia oxidation flow back with the output water to the denitrifying phosphorus removal reactor for denitrifying phosphorus removal, and then micro-aeration is carried out for a period of time. The method reduces oxygen consumption and energy consumption, improves the nitrogen and phosphorus removal rate, and avoids the problem of insufficient carbon source.
Owner:贵州筑信水务环境产业有限公司

Wearable human body multiple physiological parameter acquiring device

The invention discloses a wearable human body multiple physiological parameter acquiring device. The wearable human body multiple physiological parameter acquiring device comprises a wearable acquiring band and acquiring clothes, wherein the wearable acquiring band comprises a chest strap, shoulder straps, a waistband and a connecting band located on the chest. The chest strap, the waistband and the connecting band comprise an outer layer and a liner respectively, the chest strap is fixedly connected with the waistband through the connecting band, and the chest strap is fixedly connected with the shoulder straps. Sandwich layers between the outer layers and the liners of the chest strap, the waistband and the connecting band are provided with corresponding electrode buttons, the outer surfaces of the liners of the chest strap, the waistband and the connecting band are correspondingly provided with electrodes for acquiring electrocardiosignals or respiratory signals, and the outer surface of the liner of the chest strap is further provided with a first temperature sensor and a second temperature sensor which are used for acquiring human body temperature signals. The acquiring clothes comprises a pocket provided with an acquiring circuit, sleeve bands for measuring blood pressure and provided with air bags are fixed at the upper-limb positions of sleeves of the acquiring clothes, and the air bags are connected with a pressure sensor in a blood pressure signal interface circuit in the acquiring circuit through air guiding tubes.
Owner:ZHEJIANG UNIV

End effector of manipulator for harvesting tomato fruit strings and method of end effector

The invention discloses an end effector of a manipulator for harvesting the tomato fruit strings. The end effector comprises a T-shaped rack, a cutting mechanism, a clamping mechanism and a control system, wherein the cutting mechanism is mounted above the T-shaped rack; the clamping mechanism is mounted in the front lower direction of the T-shaped rack; a left clamping arm and a right clamping arm of the clamping mechanism are electrically driven to move in the bidirectional manner in a stepping manner; the left clamping arm and the right clamping arm of the clamping mechanism clamp a main fruit stem of fruits; a clamping force is sensed by a piezoelectric sensor and is set by a controller; reliable clamping is guaranteed; the fruit stem cannot be broken; the cutting mechanism consists of an upper half blade, a lower half blade and a knife pivot which form scissors; the upper half blade and the lower half blade are driven by a cylinder to open and shear, and a fruit string is separated from a main tomato stem; the circumstance that later-period growth of a whole tomato plant is affected by picking in a dragging manner is avoided; a whole picking process is finished under the control of a control system; and automation is realized. The end effector is compact in structure and reliable in work, and meets requirements of string picking of tomatoes in different varieties; and the end effector which is excellent in performance is provided for a robot for harvesting the tomato fruit strings.
Owner:CHINA JILIANG UNIV

Screening device for fishes of particular specification

The invention relates to a screening device for fishes of particular specification. The screening device comprises a half-headed water tank, wherein one end of the water tank is open, the other end of the water tank is closed, the side wall of the water tank is provided with multiple movable clamping slots, the open end of the water tank is provided with a blocking net, at least one fish blocking corral is mounted in the water tank by virtue of the movable clamping slots and the water tank is divided into multiple regions, at least one baffle is matched with the movable clamping slots, the closed end of the water tank is provided with a water tank water inlet hole, the baffle is provided with a baffle water inlet hole, and a water inlet pipe communicated with the water pump is matched with the water tank water inlet hole and the baffle water inlet hole. The screening device for the fishes of particular specification disclosed by the invention can be used for rapidly screening and separating individual fishes of particular specification by utilizing the stream against characteristic of the fishes, the defects of the existing screening method are overcome, time and effort are saved, the screening device is simple in structure, easy in operation and high in efficiency, and the economic benefit is improved.
Owner:CHINA THREE GORGES UNIV

Transportation magnetic separation equipment for crushing and processing construction waste

The invention discloses a transportation magnetic separation equipment for crushing and processing construction waste, which comprises a frame, a transmission box, a magnetic separation roller and a conveyor belt. The transmission box is installed on the upper end of the frame, and a conveyor frame is installed inside the transmission box , a driving roller and a magnetic separation roller are installed on the conveyor frame, and a conveyor belt is set between the driving roller and the magnetic separation roller; the upper left end of the transmission box is welded with a construction waste adding bucket, and the bottom of the construction waste adding bucket is A crushing roller is installed inside; the right end of the conveyor belt is provided with a winnowing chamber, and the bottom side of the right end of the conveyor belt is installed in sequence from left to right with an iron collection box, a heavy material box, a light material box, a slag collection box and Dust settling box; it is convenient to add construction waste into the hopper and crush it through the two crushing rollers; the magnetic separation roller absorbs and screens the construction waste containing ferromagnetism to realize the crushing and transportation of construction waste , Removal of ferromagnetism, screening, separation and dust removal, the operation is convenient and quick.
Owner:寿涵红

Grading recycle device for electric flocculation and electric floatation purification bathing and washing wastewater

The invention discloses a grading recycle device for electric flocculation and electric floatation purification bathing and washing wastewater, which is characterized in that one part of effluent from a wastewater collecting tank, passing through a tee joint, is used as front end effluent to be directly output, and the other path is serially connected with a Venturi tube, the wastewater outlet of the Venturi tube is connected with an electrolytic bath, the throat tube of the Venturi tube is communicated with an air inlet tube with a filter casing; the electrolytic bath is set to be an iron promoted dual-anodic oxidization unit which has a structure that a Tl/SnO2 anode and an Fe anode are respectively arranged at two sides of a cathode to form a combined anode, and the cathode adopts an air diffusion electrode; the wastewater outlet of the electrolytic bath is serially provided with a two-stage filtering unit, a primary filtering chamber of the two-stage filtering unit is provided with a primary wastewater outlet valve, and a secondary filtering chamber of the two-stage filtering unit is provided with a secondary wastewater outlet valve. The invention can effectively reduce or remove surface activating agents and other organic pollutants in washing/bathing wastewater to ensure that the bath/washing wastewater is recycled by stages.
Owner:NANJING UNIV

Method for producing partial full-oxygen type cement suitable for separation and collection of CO2

The invention discloses a method for producing partial full-oxygen type cement suitable for separation and collection of CO2, which is a cement production process combining a process of pre-decomposing cement raw materials by using full-oxygen combustion and a process of baking clinkers by using conventional heated air combustion and can effectively solve the problems of the separation and collection of the CO2 in the cement production process. The raw materials subjected to the decomposition of carbonate in a decomposing furnace are separated through a fifth-stage cyclone and enter a rotary kiln, and the combustion way of the rotary kiln is different from the conventional way; the other part of heated air is discharged by a grate cooler to serve as secondary air for combustion, wherein the temperature of the firing zone in the kiln reaches 1,800 DEG C; the heat from fuel combustion is transmitted to materials; the materials are calcined into clinkers; the clinkers from the rotary kiln enter the grate cooler and then enter a rear material receiving device after being cooled; smoke from the rotary kiln enters a right five-stage preheater and is mixed with the heated air from the grate cooler at the output of the five-stage preheater; and the mixed air enters a fourth-stage preheater, gradually rises and is discharged from the top of a first-stage preheater to an exhaust gas processing system.
Owner:SOUTHEAST UNIV

Stalk crushing returning and residual plastic film recovery combined machine

The invention relates to a machine used for the combined operation of chopping crop straws and returning farmland and recycling residual films on the ground surface. The machine comprises a traction unit (1), a transmission system (2), a frame (3), a residual film box (4), a land wheel (10), a scarifier tyne (11), a straw chopping device and a residual film recycling device; the straw chopping device consists of a reciprocating cutterbar (13), a transverse conveying belt (12), a disc type chopper (14), a protection hood (16) and a transmission device; wherein, the residual film recycling device is arranged at the back of the residual film box and consists of a chain harrow (6), an elastic gear (7) for raking the film, a bottom board (9) and a feeler wheel (8); a gear rod (5) is arranged on the chain harrow, and the elastic gear (7) for raking the film is arranged at the back side of the residual film recycling device. The machine can finish the two operations of returning the straws to the farmland and recycling the residual films, has the advantages of high operation speed, clean residual film recycling, small energy consumption and film-rod separation; moreover, the residual films are hard to twist working parts; therefore, the demands of chopping the straws and recycling the residual films can be met.
Owner:SHIHEZI UNIVERSITY

Method for comprehensively recovering tungsten and fluorine from minerals

The invention provides a method for comprehensively recovering tungsten and fluorine from minerals, namely a mixed acid of phosphoric acid and sulfuric acid is adopted for decomposing complex calcium-containing minerals containing fluorite, scheelite, apatite, and calcite, wherein the fluorite is decomposed to fluorine hydride or silicon tetrafluoride to escape, and absorption treatment is performed for preparing hydrofluoric acid or a fluoride salt; and the scheelite is transformed to phosphotungstic acid to enter into a solution, and filtrate after filtration is supplemented into the consumed sulfuric acid and the phosphoric acid after extraction of the tungsten and returned to the new-round mineral leaching. The method disclosed by the invention has the advantages of comprehensively recovering the fluorine and the tungsten from the minerals, reducing the requirements on the fluorite or the tungsten ore raw material, reducing the pressure on a mineral dressing link, improving the comprehensive recovery rate and simultaneously ensuring the decomposition rate of the fluorite and the scheelite, wherein the decomposition rate of the fluorite is above 98%, and WO3 contained in decomposition slag is reduced to below 0.5%; furthermore, a leaching agent can be recycled, so that leaching cost and wastewater emission are greatly reduced; and the method also has the advantages of simple leaching equipment, convenience in operation and easiness in realization of industrialization.
Owner:CENT SOUTH UNIV

Method for separating lignin and cellulose from lignocellulose by using ionic liquid solvent

The invention relates to a method for separating lignin and cellulose from lignocellulose by using ionic liquid solvent, which comprises the following steps: adopting ionic liquid synthesized from an imidazole compound and halogenated alkane and water to form a liquid phase system which is added with wood flour, wood chips or vegetation plants to separate the lignin and the cellulose in a high-pressure autoclave at certain pressure and temperature, wherein the lignin is dissolved in ionic liquid water solution; filtering, separating, cleaning and drying the solid phase to obtain a cellulose product; and diluting, filtering, separating and drying the liquid phase to obtain a lignin product, wherein the ionic liquid can be recycled. The method achieves the separation of the lignin and the cellulose, the prepared cellulose product can be used as a raw material for papermaking directly and also can be used for preparing cellulose derivatives applied to the fields of daily use chemicals, medicaments, biology and the like; and the lignin can be used for preparing lignin modified products. The method does not volatile organic solvents and causes no environmental pollution, the used solvent can be recycled, and the production cost is low, thus the method has strong industrial application prospect.
Owner:DALIAN POLYTECHNIC UNIVERSITY

Heavy metal waste acid and wastewater resource recycling method and device

The invention discloses a heavy metal waste acid and wastewater resource recycling method and device. According to the method, acids in waste acid can be well separated through selection of anionic and cationic membranes in the electrodialysis process, heavy metal ions still remain in a waste acid solution, and the separated acid enters a concentration basin, has the acidity of over 8 percent and can be used for a sulfuric acid preparation process; the acidity of the treated waste acid is reduced to a pH value of over 3, valuable heavy metals in heavy metal-containing low-acidity waste liquor can be rapidly recovered by utilizing a hydrogen sulfide and jet process integration technology, and the recovery rate of the heavy metal ions is over 95 percent; the residual low-acidity low-salt wastewater can be recycled for a spraying system. According to the method, the heavy metal waste acid and wastewater can be treated at high efficiency, the phenomena that neutralization residues which are difficultly treated are generated and secondary pollution is caused in the process of neutralizing by adopting alkalis are avoided, high-quality sulfuric acid and heavy metals can be recovered, and more important, the adopted equipment and device are simple, convenient to operate and good in treatment effect.
Owner:CENT SOUTH UNIV +1
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