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62results about How to "Flexible and easy to operate" patented technology
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Plate mop and mop bucket
The invention creatively discloses a plate mop and mop bucket. The plate mop and mop bucket comprises a plate mop and a mop bucket (2); the lower side of a mop rod (1) is movably connected with a flat mop plate (11); the flat mop plate (11) is provided with mop cloth; the mop bucket (2) is provided with a water squeezing cavity (3) and a cleaning cavity (8) which are mutually separated from each other; the water squeezing cavity (3) is provided with a water squeezing device; the cleaning cavity (8) is internally provided with a cleaning device; during water squeezing, the flat mop plate (11) rotates to a position parallel to the mop rod (1), is mutually positioned to the mop rod (1) and moves up and down relative to the water squeezing device to wring the mop cloth to squeeze water; and a cleaning component used for cleaning the mop cloth is arranged in the cleaning device, and during cleaning, a part of the cleaning component is placed in water, the flat mop plate (11) rotates to the position parallel to the mop rod (1), is mutually positioned to the mop rod (1) and washes the mop cloth through mutual friction between the cleaning component and the mop cloth in the water. After adopting the structure, the plate mop and mop bucket has the advantages of simple and reasonable structure, convenience to operate and use, capability of alternatively carrying out cleaning and dewatering, saving labor by being cleaned in the water with rapid speed, good water squeezing and cleaning effects and the like.
Owner:ZHEJIANG XINGHAO PLASTIC
Flexible device for multipoint clamping and positioning spatial 3D thin wall part
InactiveCN1695896APrecise liftingConvenient location changeWelding/cutting auxillary devicesWork holdersCircular discMultiple point
Owner:SHANGHAI JIAO TONG UNIV
Building indoor energy-saving detection point marking method based on infrared image
InactiveCN103196565AQuick pickQuick layoutRadiation pyrometryMeasuring points markingHeat flowBuilding energy
The invention discloses a building indoor energy-saving detection point marking method based on an infrared image. The building indoor energy-saving detection point marking method based on the infrared image comprises the steps of shooting the infrared image, splicing the infrared image, setting a detection body, dividing temperature zones, generating an isothermal chart, establishing column diagram distribution, selecting large temperature zones as marking positions of detection points, and selecting and determining the detection points according to the isothermal chart and the infrared image of the detection body. The building indoor energy-saving detection point marking method based on the infrared image is applied to indoor analysis and detection of a building, capable of accurately select the positions of building energy-saving detection points of an indoor wall, flexible and simple in operation, visual and differentiable in identification effect, and capable of storing detection results and carrying out the analysis repeatedly. The building indoor energy-saving detection point marking method based on the infrared image can be used as a processing and analysis method of the indoor wall in the building energy-saving detection process and can also be used as the direct basis for placing a temperature gauge and a heat flow meter.
Owner:SHANDONG COMP SCI CENTNAT SUPERCOMP CENT IN JINAN
Method of simultaneously producing dimethyl succinate and 1,4-butyl glycol
ActiveCN102190582AFlexible productionOvercome defectsOrganic compound preparationCarboxylic acid esters preparationFuranGas phase
The invention relates to a method of simultaneously producing dimethyl succinate (DMS) and 1, 4-butyl glycol. The method can also be used to simultaneously produce at least one of Tetrahydro furan (THF) and gamma-irradiation butyl lactone (GBL). In the invention, dimethyl maleate (DMM) is used as raw materials and contacts with hydrogen under the condition of gas phase in a low pressure reaction district and a middle pressure reaction district respectively. A low-pressure reactor and a middle-pressure reactor are equipped with a catalyst. DMS products are produced in the low pressure reaction district and 1, 4-butyl glycol products are produced in the middle pressure reaction district. Simultaneously, at least one of the GBL and THF can be produced in the middle pressure reaction district. Purity of DMS can reach over 99.5% without refining through using a gas-liquid separator. In the invention, the method is used in mild condition; heavier component does not need to be circulated; operation is simple; transesterification type polymerization and other side reactions are greatly reduced in a system.
Owner:SHANGHAI HUAYI ENERGY CHEM
Temperature control device and temperature control method
ActiveCN108121379AStable structureSimple structureTemperature control using electric meansTemperature controlControl system
A temperature control device is characterized in that the temperature control device comprises a refrigerator, an intermediate thermal resistor, a temperature acquisition device and a control system.The intermediate thermal resistor is arranged between the refrigerator and a temperature control object. The temperature acquisition device is used for acquiring the temperatures of a cold head of therefrigerator and the temperature control object. The intermediate thermal resistor and the temperature acquisition device are connected with the control system. The control system is used for regulating the thermal resistance of the intermediate thermal resistor. According to the temperature control device, the thermal resistance of the intermediate thermal resistor is regulated through controlling of the control system. The cold amount which is transmitted from the cold head of the refrigerator to the temperature control object can be regulated. Accurate control and flexible change of the temperature can be automatically controlled. High operation stability and stable and reliable temperature control process are realized. Furthermore, compared with a soaking and heating system, the temperature control device has advantages of simple structure, easy operation, and no consumption of low-temperature liquid. Except for certain power supply required in the temperature control process, noother cost input is required, thereby realizing low cost. Furthermore the invention provides a temperature control method.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Method for preparing beryllium oxide or high-purity beryllium oxide from beryllium containing solution
ActiveCN103818937ALow grade requirementsImprove qualityBeryllium oxides/hydroxidesO-Phosphoric AcidAlcohol
The invention relates to the technical field of beryllium oxide preparation, and refers to a method for preparing beryllium oxide or high-purity beryllium oxide from a beryllium containing solution. The method comprises the following steps of: 1, weighing and mixing a phosphoric acid extractant, alcohol and sulfonated kerosene in a volume ratio of 10: 10: 75 to 25: 15: 90, then preparing to be an extractant. The method disclosed by the invention is simple and flexible to operate, convenient to realize continuity. The method has low requirements in beryllium containing ore grade and can treat the beryllium containing waste liquid of any concentration. In comparison with the prior art, the recovery rate of beryllium oxide, the back extraction ratio and the one-time precipitation rate of hydrolysis BeO are higher and the quality of beryllium oxide or high-purity beryllium oxide can be effectively guaranteed, so that high-quality beryllium oxide or high-purity beryllium oxide can be obtained. In the process of production, acid waste liquids are mainly produced, and the acid waste liquids can be discharged after a neutralizing treatment is carried out, the waste residue and exhausted air emissions are less, therefore the method is an environment-friendly technology.
Owner:XINJIANG RES INST OF NON FERROUS METALS
Saw blade type cave development machine
InactiveCN102003179AProtection securityProtection from damageDriving meansCutting machinesElectric machineryMachine
The invention discloses a saw blade type cave development machine, which comprises a machine body, wherein the machine body is provided with wheels, a movable frame and a supporting frame; the movable frame comprises an upper bracket and a lower bracket, the front end of the upper bracket is provided with a rotating shaft, a saw blade is fixed on the rotating shaft, and a motor is connected on the rotating shaft; the rear end of the upper bracket is coupled at the top of the lower bracket, and the bottom of the lower bracket is supported on the machine body; the saw blade supporting frame is supported at the bottom of the upper bracket, and the bottom of the saw blade supporting frame is supported on the machine body; and a push rod is connected at the joint of the brackets, the front end of the push rod is coupled at the joint of the brackets, and the rear end of the push rod is connected on the supporting frame by screw threads. The saw blade type cave development machine has the advantages of simple structure, low production cost, low operating vibration and low damage; a saw blade and a hammering machine of the development machine can be adjusted up and down, left and right, so the development machine is flexible, simple and convenient to operate and can be used on different terrains; and the development machine does not need to use explosive, and can control the size of the crushed ores during excavating so as to improve the value of the ores and reduce environmental pollution.
Owner:郑家富
Remote control locking and unlocking system, method and engineering machine
InactiveCN103593890AReduce manufacturing costReduce management costsSoil-shifting machines/dredgersEngine controllersLocking mechanismControl engineering
The invention discloses a remote control locking and unlocking system, a method and an engineering machine. The remote control locking and unlocking system is arranged on the engineering machine. The remote control locking and unlocking system comprises a remote control key used for sending an unlocking signal and a locking signal, a locking mechanism arranged on a door of a cab of the engineering machine, a host controller which is connected with the locking mechanism and is configured to receive the unlocking signal and the locking signal which are sent from the remote control key and control unlocking and locking of the locking mechanism according to the unlocking signal and the locking signal, and a starter which is connected with the host controller and is configured to start up and close down the engineering machine. Thus, the remote control locking and unlocking system, the method and the engineering machine can be adopted to reduce cost and raise antitheft performance, and are convenient for operation.
Owner:SANY HEAVY MACHINERY
Method for measuring vertical dynamic disturbance of high-speed railway bridge based on unmanned aerial vehicle
ActiveCN109813510AFlexible and easy to operateFlexible and easily disturbed high-precision measurementElasticity measurementMeasurement pointUncrewed vehicle
The invention relates to a method for measuring the vertical dynamic disturbance of a high-speed railway bridge based on an unmanned aerial vehicle, which is characterized in that measuring points arearranged on a high-speed railway bridge to be measured. A camera is installed on the unmanned aerial vehicle, and markers are arranged on the unmanned aerial vehicle. A total station instrument is arranged on the ground. The method comprises the following steps: controlling the unmanned aerial vehicle to fly to a set position on a horizontal plane of the measuring points and a vertical line vertical to the measuring points, shooting and imaging the measuring points on the high-speed railway bridge to be measured by using the camera on the unmanned aerial vehicle according to a set time interval at the set position, and synchronously measuring the position coordinates of markers on the unmanned aerial vehicle according to the same set time interval as the camera on the unmanned aerial vehicle by using the total station instrument; correcting the image coordinates of the measuring points by using the data output by the total station instrument and the inertial navigation of the unmannedaerial vehicle, and obtaining the vertical dynamic disturbance of the high-speed railway bridge based on the corrected image coordinates of the measuring points. The method is not influenced by environmental vibration, can achieve flexible and easy-to-operate high-precision measurement of the dynamic disturbance of the high-speed railway bridge, and has simple and efficient measurement process.
Owner:SUN YAT SEN UNIV +1
Method for measuring shaft force of bolt
InactiveCN109724742ASimple structureEasy to assembleMeasurement of torque/twisting force while tighteningPropagation timeEngineering
The invention belongs to the technical field of threaded fastener testing, and relates to a method for measuring shaft force of a bolt. The method comprises the following steps: 1, a calibration curve, for calibration, between the ultrasonic signal propagation time increment and the shaft force of the bolt is calibrated through tool clamps; 2, ultrasonic signal propagation time increment data of the actually assembled bolt are measured during actual assembling; and 3, the ultrasonic signal propagation time increment data of the actually assembled bolt are compared with the calibration curve toobtain the shaft force of the actually assembled bolt. According to the method, the situation that a connected piece is damaged, and thus waste is generated can be avoided, meanwhile, unification oftightening equipment during calibration and assembly can be guaranteed, and the system error is avoided so as to obtain more accurate test data; in addition, bolts of different specifications and connection lengths can further be calibrated by adjusting combinations of the clamps, and the accurate calibration curve is advantageously obtained to support the product design; and the structure is simple, assembling is convenient, the interchangeability is good, and operation is easy and convenient.
Owner:CHINA FIRST AUTOMOBILE
System and method for generating non-diffraction vector Bezier optical field
InactiveCN110133856ARich research contentFlexible and easy to operateOptical elementsCircular discDiffraction effect
The invention discloses a system for generating a non-diffraction vector Bezier optical field. The system comprises a light source, a beam expansion collimator, a polarization converter, a focusing lens group and a metal round disc, wherein the light source is used for generating linear polarization laser, the beam expansion collimator is used for performing beam expansion and collimation on the linear polarization laser emitted from the light source, the polarization converter is used for converting the linear polarization laser after beam expansion to a vector optical field with non-uniformspace distribution, the focusing lens group is used for focusing the vector optical field, adjusting a focal spot of the vector optical field and generating a vector Laguerre-Gauss optical field, themetal round disc is used for absorbing a central part of the vector Laguerre-Gauss optical field, higher-order frequency spectrum components are induced due to a sharp-edge vector diffraction effect,and the non-diffraction vector Bezier optical field is generated by coherence stack of the high-order spectrum components. The higher-order spectrum components are induced by the sharp-edge vector diffraction effect, the Bezier optical field is generated by the coherence stack of the higher-order spectrum components which are circularly and symmetrically distributed, and the generated optical field has the characteristics of non-diffraction transmission and self-healing.
Owner:JINAN UNIVERSITY
Method for measuring high-speed rail bridge vertical dynamic deflection
ActiveCN109798874AFlexible and easy to operateFlexible and easily disturbed high-precision measurementPicture interpretationRelative displacementMeasurement point
The invention relates to a method for measuring high-speed rail bridge vertical dynamic deflection. The method includes: determining a to-be-measured high-speed rail bridge, and arranging a measuringpoint and two reference points on the high-speed rail bridge; controlling a drone with a camera to fly to a set position close to the left side or right side of the to-be-measured high-speed rail bridge, and using the camera on the drone to shoot the to-be-measured high-speed rail bridge at the set position, wherein the left reference point, the middle measuring point and the right reference pointof the to-be-measured high-speed rail bridge can be shot at the set position; calculating the vertical-direction relative displacement of the middle measuring point, the left reference point and theright reference point in a world coordinate system according to the images shot by the camera so as to obtain the high-speed rail bridge vertical dynamic deflection. By the measuring method, environment vibration influence is avoided, flexible and easy-to-operate high-speed rail bridge vertical dynamic deflection measuring can be achieved, and a simple and efficient measuring process is achieved.
Owner:SUN YAT SEN UNIV +1
Method for measuring vertical dynamic disturbance of high-speed railway bridge based on unmanned aerial vehicle
ActiveCN109813509AFlexible and easy to operateFlexible and easily disturbed high-precision measurementElasticity measurementMeasurement pointShoot
The invention relates to a method for measuring the vertical dynamic disturbance of a high-speed railway bridge based on an unmanned aerial vehicle, which is characterized in that measuring points arearranged on the high-speed railway bridge to be measured. A camera is arranged on the unmanned aerial vehicle, more than three markers are arranged on the unmanned aerial vehicle, two cameras are arranged on the ground below the shooting position of the unmanned aerial vehicle to form a binocular stereoscopic vision system, and the two cameras in the binocular stereoscopic vision system shoot theunmanned aerial vehicle so as to monitor displacement changes of coordinates of all marker points on the unmanned aerial vehicle under a world coordinate system. The method comprises the following steps: correcting images shot by the cameras on the unmanned aerial vehicle according to the displacement and attitude change of the unmanned aerial vehicle obtained by the binocular stereoscopic visionsystem, and obtaining the vertical dynamic disturbance of the high-speed railway bridge based on the image coordinates of the corrected measuring points. The method is not influenced by environmentalvibration, can achieve flexible and easy-to-operate high-precision measurement of the dynamic disturbance of the high-speed railway bridge, and has simple and efficient measurement process.
Owner:SUN YAT SEN UNIV +1
Balance car
PendingCN112693547AEasy to operateReasonable designCycle control systemsMotorcyclesElectrical batteryElectric machinery
The invention discloses a balance car, which aims to solve the problem of complex supporting structure in the prior art; the balance car comprises a supporting rod, a pair of wheels are arranged on the supporting rod side by side, each wheel comprises a hub motor with a motor shaft, the motor shaft is fixedly arranged on the supporting rod, and a pair of car bodies are arranged on the supporting rod. A strain sensor used for detecting deformation of the supporting rod is fixedly arranged on the supporting rod. The balance car also includes a battery and a pair of control circuit boards; angle sensors are arranged on the control circuit boards, and the battery, the control circuit boards, the angle sensors, the hub motor and the strain sensor are electrically connected together. The supporting rod comprises a first supporting rod body, a rotating shaft section and a second supporting rod section, the first supporting rod body is axially fixed to the second supporting rod body, the second supporting rod section is fixedly arranged on the rotating shaft section, when the car body bears load, the supporting rod body can deform, and the strain sensor is used for detecting deformation of the supporting rod body and determining whether the balance car is started or not.
Owner:浙江安尚机器人有限公司
System for cleaning high-intensity magnetic separator coils
ActiveCN104874571AFlexible and easy to operateImprove cleaning efficiencyHollow article cleaningCleaning using liquidsEngineeringChemical cleaning
The invention provides a system for cleaning high-intensity magnetic separator coils. The system comprises a mobile trolley as well as an electronic control box, a storage tank and a cleaning fluid delivery pump which are arranged on the mobile trolley, wherein a cleaning fluid inlet is formed in the storage tank; a cleaning fluid outlet is formed in one end close to the bottom of the storage tank; a cleaning fluid outlet valve is arranged at the cleaning fluid outlet; one end of the cleaning fluid delivery pump is connected with the cleaning fluid outlet, and the other end is connected with the high-intensity magnetic separator coils, and the cleaning fluid delivery pump is used for delivering a cleaning fluid in the storage tank to the high-intensity magnetic separator coils for cleaning. According to the system for cleaning the high-intensity magnetic separator coils, the cleaning fluid is stored in the storage tank and delivered by the cleaning fluid delivery pump to the high-intensity magnetic separator coils for chemical cleaning, so that the cleaning efficiency is high, and the equipment damage is little.
Owner:岳阳大力神电磁机械有限公司
Vacuum freeze dryer
InactiveCN109323536AEasy to operateSimple internal structureMechanical apparatusDrying solid materials without heatFrostControl system
The invention provides a vacuum freeze dryer comprising a drying and freezing box, at least two cold trap cabins, a refrigeration system, a vacuum system, an ice melting system and a control system. The refrigeration system is connected with the cold trap cabins and is used for freezing materials in the drying and freezing box; the vacuum system is used for maintaining the vacuum degree in the drying and freezing box; the ice melting system is used for melting frost frozen in the cold trap cabins; the control system is electrically connected to the ice melting system, the vacuum system and therefrigeration system and is used for controlling starting or stopping of the ice melting system, the vacuum system or the refrigeration system; in the production process, the control system controlsthe ice melting system and the refrigeration system, so that one cold trap cabin performs cold trap water catching operation, the other cold trap cabin performs low-pressure steam ice melting operation under the vacuum state, and alternative switching is carried out. The vacuum freeze dryer overcomes the defect that cold trap cabins of an existing vacuum freeze dryer need to firstly carry out coldtrap water catching and then perform low-pressure steam ice melting under the vacuum state after ending of freezing, and consequently long time is wasted.
Owner:SHANGYU GUANFENG FOOD MACHINERY
Method of simultaneously producing dimethyl succinate and 1,4-butyl glycol
ActiveCN102190582BFlexible productionOvercome defectsOrganic compound preparationCarboxylic acid esters preparationFuranGas phase
The invention relates to a method of simultaneously producing dimethyl succinate (DMS) and 1, 4-butyl glycol. The method can also be used to simultaneously produce at least one of Tetrahydro furan (THF) and gamma-irradiation butyl lactone (GBL). In the invention, dimethyl maleate (DMM) is used as raw materials and contacts with hydrogen under the condition of gas phase in a low pressure reaction district and a middle pressure reaction district respectively. A low-pressure reactor and a middle-pressure reactor are equipped with a catalyst. DMS products are produced in the low pressure reaction district and 1, 4-butyl glycol products are produced in the middle pressure reaction district. Simultaneously, at least one of the GBL and THF can be produced in the middle pressure reaction district. Purity of DMS can reach over 99.5% without refining through using a gas-liquid separator. In the invention, the method is used in mild condition; heavier component does not need to be circulated; operation is simple; transesterification type polymerization and other side reactions are greatly reduced in a system.
Owner:SHANGHAI HUAYI ENERGY CHEM
Stick for measuring circumferential distance of flange plate
InactiveCN101750000AFlexible and easy to measureAccurate and fast measurementMechanical clearance measurementsButt jointEngineering
The invention provides a stick for measuring the circumferential distance of a flange plate, which comprises a stick body, wherein the two ends of the stick body are respectively provided with measuring scales, the measuring scale valve of one end is larger than that of the other end, and the top of the end with the smaller measuring scale valve is provided with a lug boss. The stick can be suitable for use under various environment conditions such as air medium or underwater, and the like; has simple structure, small volume, convenient carrying, flexible operation, convenience and simpleness; exactly measures the circumferential distance of the flange plate and greatly improves the success rate of the butt joint of the flange plate; and saves time and labor, is safe and reliable, and effectively improves the work efficiency and the accuracy.
Owner:CHINA NAT OFFSHORE OIL CORP +1
Method for measuring vertical dynamic immunity of high-speed railway bridges
ActiveCN109596053AFlexible and easily disturbed high-precision measurementLow costUsing optical meansCamera lensRelative displacement
The invention provides a method for measuring vertical dynamic immunity of high-speed railway bridges. According to the method, a middle measurement point and left and right reference points are arranged on a to-be-measured high-speed railway bridge. A measurement device is built on an unmanned aerial vehicle, and the measurement device comprises a camera and a plurality of optical lens assembliesarranged in front of the lens of the camera. Each optical lens assembly comprises an optical lens and a rotation mechanism. Each optical lens is adjusted to ensure that the left reference point, theright reference point and the middle measurement point marked on the to-be-measured high-speed railway bridge can be imaged in the lens of the camera and respectively imaged in R, G and B channels ofa shot image. Relatively displacements of the middle measurement point, the left reference point and the right reference point in a vertical direction under a world coordinate system are respectivelycalculated according to the image shot by the camera, so as to obtain vertical immunity of the high-speed railway bridge. The method is capable of realizing flexible and easy-to-operate high-precisionmeasurement of high-speed railway bridge immunity without being influenced by environment vibration, and the measurement process is simple and efficient.
Owner:SUN YAT SEN UNIV +1
Goods taking and placing method and system of laser forklift
ActiveCN110342432AAchieve interferenceReduce limitationsLifting devicesLaser scanningComputer vision
The embodiment of the invention discloses a goods taking and placing method and a system of a laser forklift. The method comprises the steps that the laser forklift is controlled to walk to a corresponding parking detection point according to a working instruction comprising a task type and a parking detection point; a library position detection area of a laser scanner corresponding to the corresponding parking detection point is determined according to the position information of the corresponding parking detection point and the pre-associated library position information of the correspondingparking detection point, and the corresponding laser scanner is switched from an obstacle avoidance detection area to a library position detection area to carry out the detection of whether a corresponding library position exists goods or not; the operation of whether the laser forklift executes the corresponding goods taking or goods placing or not is determined according to the detection resultand the task type; if yes, the corresponding goods taking or goods placing operation is executed; and if not, the detection of whether the goods exist in a next library or not and the subsequent steps are continuously executed according to the received working instruction. According to the goods taking and placing method and the system of the laser forklift, extra hardware configuration is reduced, and a library position management system which is cumbersome in the operation process is omitted.
Owner:GUANGDONG JATEN ROBOT & AUTOMATION
Core-shell structure sound insulation mortar and preparation method thereof
ActiveCN110407534AEffective absorptionEffective vibrationSolid waste managementHigh densityAcoustic wave
The invention belongs to the technical field of sound insulation materials, and particularly relates to core-shell structure sound insulation mortar, which comprises core-shell structure sound insulation particles, wherein the core-shell structure sound insulation particle uses a rigid particle as a core and uses an elastic high polymer as a shell. According to the present invention, the sound insulating mortar rigid particle core has high density and large mass, and can effectively absorb and dissipate the vibration of sound waves, such that the sound wave energy can be well absorbed and dissipated through the damping vibration effect formed by the rigid particle core and the elastic polymer outer shell; and compared with the non-core-shell structure sound insulation particles formed by the pure elastic high polymer particles, the core-shell structure sound insulation particles of the present invention can effectively absorb and dissipate the vibration of sound waves so as to obtain excellent sound insulation effect.
Owner:ZHUHAI SINGYES RENEWABLE ENERGY TECH +4
Method for Learning Remote Control and Learning Remote Control Thereof
InactiveUS20120310867A1Simple procedureImprove performanceElectric signal transmission systemsDigital computer detailsRemote controlStudy methods
A learning method and a learning remote control in the present invention include: selecting keys to be taught on the learning remote control, and constructing a key series; performing such operation to each key to be taught as: prompting to the keys to be taught, and then receiving and learning commands from a teaching remote control according to the key to be taught; and when being detected that a key is further selected during the operation to each key to be taught, renewing the key series according to this key, and reexecute the operation to each key. The user follows flexible and simple operating steps during the learning procedure of the learning remote control. The operation is brief, and the learning procedure is simple. The intelligent performance of the learning remote control is improved.
Owner:SAISHENGYUAN ELECTRONICS SHENZHEN
SO3 gas jetting sulfonation reactor and process
ActiveCN100584443CReasonable structureFlexible and easy to operateChemical/physical/physico-chemical nozzle-type rreactorsLiquid-gas reaction processesProduct gasProcess engineering
The SO3 gas jetting sulfonation reactor consists of a nozzle and a reactor kettle. The nozzle includes a gas jet, a liquid distributing cavity, an atomizing jet, a liquid material inlet and a gas mixture inlet. The nozzle is fixed in the top of the reactor kettle, the atomizing jet is stretched into inside of the reactor kettle, and the reactor kettle has product outlet in the lower end. The present invention is suitable for sulfonating different kinds of organic material, and has the advantages of reasonable structure, great operation flexibility, simple operation, easy material replacement, stable product quality, etc.
Owner:中轻化工绍兴有限公司
Closed space low-frequency sound field reproduction method based on microphone random sampling
ActiveCN111272274AGuaranteed reproduction accuracyFlexible and easy to operateSubsonic/sonic/ultrasonic wave measurementComplex mathematical operationsDescent algorithmFrequency sound
According to a closed space low-frequency sound field reproduction method based on microphone random sampling, a plurality of microphones are used for random position sampling in the closed space, microphone arrays such as a spherical array do not need to be used, the operation is simpler, more convenient and more flexible while the reproduction precision is ensured, and the test cost is low; recording and reproducing a sound field through a spatial domain decomposition method of a plane wave. For the calculation speed problem caused by the large cardinal number of the plane wave model, a split augmented Lagrange contraction algorithm SALSA is proposed, and compared with a complex coordinate descent algorithm, the calculation speed is greatly increased, so that the plane wave model can besuitable for the reproduction of a full-space unsteady sound field.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Split type universal reset stirring shaft device
ActiveCN106013972AEasy to useReduce operating loadBuilding locksHandle fastenersEngineeringMechanical engineering
Owner:永康市三多工贸有限公司
Denim foam arranging device
The invention relates to a denim foam arranging device which comprises a dynamic foaming machine (1), a foam exerting device (2), a constant pressure air tank (3), a mixed stirring tank (4), a foaming agent storage tank (5), a waste liquid storage tank (6), a liquid pump, high-accuracy measuring pumps (7-1) to (7-3), a stirring motor (8-1) and (8-2), pipelines (9-1) to (9-5), a frequency conversion motor (10), electromagnetic valves (11-1) to (11-4), a flow meter (12) and a liquid consistency monitor (13). The device is characterized by decreasing energy consumption in production, realizing flexible and simple operation, making foam uniform and fine, softening denim, and the like.
Owner:淄博鹏丰纺织有限公司
Container type counter weight
InactiveCN102101766AFlexible and easy to operateReduce manufacturing costCorrosion resistantMaterials science
The invention discloses a container type counter weight, which is prepared from the following materials in part by weight: 75 to 98 parts of ore, 2 to 6 parts of cement, 0 to 30 parts of iron particles and a small amount of water. The container type counter weight is filled in a box or bag. The design is reasonable, the manufacturing is simple, the cost is reduced by 2 / 3 compared with the cost before, and the operation is convenient. The counter weight disclosed by the method is not influenced in performance, is weather corrosion resistant and dustproof. When used, the container type counter weight can be arranged on various devices which need a counter weight for keeping balance.
Owner:TIANJIN ELEVATOR ELEVATOR PARTS
Laser Focus Adjustment System Realizing 360° Interaction with Oriented Beamlines
A laser focus adjustment system that realizes 360-degree interaction with a directional beamline, including a focus optical path, a focal spot detection and alignment system, and a vacuum cavity. In the present invention, the laser initially propagates vertically from top to bottom, the optical axis is s, the directional beamline propagates along the horizontal direction, the central axis is t, and the axes s and t intersect at point O (fixed laser focal spot position). The present invention utilizes plane mirror (reflection angle is M, 45 °
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Vacuum freezing drying machine
InactiveCN109341247AEasy to operateSimple internal structureMechanical apparatusDrying solid materials without heatFreeze-dryingProcess engineering
The invention provides a vacuum freezing drying machine. The vacuum freezing drying machine comprises a material drying freezing box body, a heating system and a refrigerating system, wherein a dryingbin is arranged at one inner side of the material drying freezing box body, and a cold trap chamber is arranged at the other inner side of the material drying freezing box body; the drying bin communicates with the cold trap chamber; an evaporating discharging pipe is arranged in the drying bin; a cold trap pipe is arranged in the cold trap chamber; the heating system is connected to the evaporating discharging pipe; the heating system is used for heating the drying bin; and the refrigerating system is connected to the cold trap pipe and is used for freezing materials in the material drying freezing box body. According to the vacuum freezing drying machine, the drying bin and the cold trap chamber are positioned in the same communicated material drying freezing box body and are operated on the same device, so that the operation is simplified; and meanwhile, the cleaning operation is performed in the same box body; the inner structure is simplified; the dead corners are decreased by being compared with those of operation through a plurality of devices; and the GMP standard is easily reached.
Owner:SHANGYU GUANFENG FOOD MACHINERY
Method for preparing beryllium oxide or high-purity beryllium oxide from beryllium-containing solution
ActiveCN103818937BLow grade requirementsImprove qualityBeryllium oxides/hydroxidesO-Phosphoric AcidAlcohol
The present invention relates to the technical field of producing beryllium oxide, which is a method for producing beryllium oxide or high-purity beryllium oxide from a beryllium-containing solution. Phosphoric acid extractant in volume ratio: alcohol: sulfonated kerosene is 10:10:75 to 25:15:90 Weigh and mix together to configure the extractant. The operation of the invention is simple and flexible, and it is convenient to realize continuous operation. The invention has low requirements on the grade of beryllium-containing ore. Able to process any concentration of beryllium-containing waste liquid, the method of the present invention Recycling than existing technology beryllium oxide Recovery rate, Stripping rate and hydrolysis BeO The primary precipitation rate is higher, which can effectively guarantee the quality of beryllium oxide or high-purity beryllium oxide, and then Get High Quality Beryllium Oxide or High Purity Beryllium Oxide , in the production process, the present invention mainly produces acid waste liquid, which can be discharged after neutralization treatment, and the amount of waste residue and waste gas is less, which is a green and environmental protection process.
Owner:XINJIANG RES INST OF NON FERROUS METALS
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