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83results about How to "No need to consume energy" patented technology
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Radio sensor access control method based on key chain
InactiveCN101005459AImplement access controlReduce computational overheadKey distribution for secure communicationUser identity/authority verificationLine sensorExtensibility
The invention is based on five highly-effective sensor network access control modes: which are one-way key chain access control, multi key chain access control, Merkle tree-based access control, expanded Merkle tree access control, and an mode of canceling the key chain of captured users with Merkle. The method uses said five access control modes to reduce the storage expense of sensor node and increase the flexibility and expandability of access control so as to support mass users to access network. The invention is compatible with current sensor network data broadcast protocol.
Owner:XIDIAN UNIV
Rope net unfolding device based on thin-wall type stretching arm
InactiveCN102756811ANo need to consume energyRelease stabilityCosmonautic vehiclesCosmonautic partsStrain energyEngineering
The invention discloses a rope net unfolding device based on a thin-wall type stretching arm, which is used for ontrack cleaning of space debris. The device does not need to be driven by external power, and a net body structure is driven to unfold by strain energy stored by the thin-wall type stretching arm, so as to capture the space debris. Through adoption of a thin-wall structure, the stretching arm has high flexibility and light weight, the stretching arm stretches out and contracts back to store strain energy and to enable the mechanism to achieve a high magnification ratio. Due to the design that the stretching arm drives the net body structure to unfold, the unfolding process of the net body structure has good controllability; and due to the design of a press plate and a limiting pin, the unfolding synchronism is ensured.
Owner:BEIHANG UNIV
Crawler maglev vehicle and conveyor
InactiveCN101407181ASimple structureLow costEndless track vehiclesElectric propulsionDrive wheelFriction force
The invention provides a tracked magnetic suspension vehicle / a conveyer, which comprise a track, permanent magnets, a suspension seat and a driving wheel. The track is fixedly connected with the permanent magnet or a magnetizer, the suspension seat is fixedly connected with the permanent magnet, and the permanent magnet on the track and the permanent magnet on the suspension seat have homopolarity (or heteropolarity) and are arranged oppositely, generate magnetic suspension repulsive force (or attractive force) opposite to gravitational attraction, reduce or eliminate friction force when a vehicle runs, and reduce energy dissipation. The tracked magnetic suspension vehicle has the advantages of no energy consumption during suspension, low energy consumption during running, and energy saving. The tracked magnetic suspension vehicle achieves trackless magnetic suspension, also can run on a road, and is not limited by railway track any more. The tracked magnetic suspension vehicle also can be used as a magnetic suspension conveyer, and is energy-saving, clean and dustless.
Owner:刘忠臣
Purifying method for 1,2-epoxybutane
ActiveCN106397363AImprove separation efficiencyLess investmentOrganic chemistryPurification methodsExtractive distillation
The invention relates to a purifying method for 1,2-epoxybutane. The purifying method mainly overcomes the problems of low yield of 1,2-epoxybutane, great loss of extractant and high waste water treatment cost since waste water of an extraction distillation column carries 1,2-epoxybutane and the extractant in the prior art. According to the invention, a liquid-liquid separator is additionally arranged and the extractant is used for treating and recovering 1,2-epoxybutane in waste water, so the above problems are overcome; and the purifying method provided by the invention can be applied to industrial production of purification of 1,2-epoxybutane.
Owner:CHINA PETROLEUM & CHEM CORP +1
Normal-temperature solidifying wear-resistance coating and preparation method thereof
InactiveCN102250538ANo need to consume energyHigh hardnessPolyurea/polyurethane coatingsVinyl etherAccelerated curing
The invention relates to a normal-temperature solidifying wear-resistance coating and a preparation method thereof. The normal-temperature solidifying wear-resistance coating consists of a component A and a component B, which are in a weight ratio of (7-12):1, wherein the component A consists of graphite fluoride, silicon carbide micropowder, fluorinated ethylene vinyl ether (FEVE) fluorocarbon resin, a first solvent, a dispersant, a coupling agent and a thixotropic agent; and the component B comprises a solidifying agent and a second solvent. The normal-temperature solidifying wear-resistance coating can be applied by the conventional brushing, dipping and spraying coating processes without consuming a large amount of energy and can be applied on surfaces susceptible to high temperature. And with the high hardness and high wear resistance of silicon carbide and the excellent lubricating performance of graphite fluoride, the normal-temperature solidifying wear-resistance coating has the characteristics of high hardness and high wear resistance. In addition, the normal-temperature solidifying wear-resistance coating has high heat resistance and can solidify at normal temperature or solidify quickly with heating.
Owner:WUHAN UNIV OF TECH
Coin distinguishing apparatus and its method for distinguishing
InactiveCN1787017AHigh identification accuracyWidely usedCoin testingEngineeringIdentification device
The invention relates to a coin identifying or discriminating device and method, especially relating to the discrimination of the true coins from the false coins. The method vertically slides the tested coin along a guiding groove down onto a substrate, collects a sound signal emitted by the coin as striking the substrate through sound sensor, directly sends the sound signal or sends the sound signal amplified by a power amplifier to a frequency spectrum analyzing device for making frequency spectrum analysis so as to obtain an inherent frequency of the tested coin, and compares the inherent frequency with a standard data in a frequency spectrum standard memory for making frequency spectrum discrimination; then uses a pressure sensor to measure the weight of the tested coin and sends the generated force signal amplified by a power amplifier into a weight analyzing device and calculates to obtain the weight of the tested coin and compares it with a standard data in a weight standard memory for making weight discrimination; then by an operational policy maker, synthetically analyzes and obtains the final discrimination result. The discriminating device has simple structure, lower manufacturing cost, and high identifying accuracy, applied to identification of various coins and having a wide application prospect.
Owner:UNIV OF SCI & TECH OF CHINA
Method and device for preparing H2 and separating CO2 based on calcium-based sorbent
InactiveCN103060003AReduce energy lossReduce heat absorptionCarbon compoundsHydrogen separation using solid contactSorbentWater vapor
The invention discloses a method and a device for preparing H2 and separating CO2 based on a calcium-based sorbent. The method comprises that a calcium-based sorbent and pulverized coal are fed into a gasification reactor by a screw charging machine; the pulverized coal is gasified by steam to produce water gas; CH4 in the water gas is reformed into CO and H2 and CO undergoes conversion reactions to produce CO2 and H2; CO2 is absorbed by the calcium-based sorbent; H2 and residual CO2 enter into an absorption reactor; unreacted coke and CaCO3 enter into a calcination reactor; pure oxygen is fed into the calcination reactor; the coke and the pure oxygen burn and produce CO2; CaCO3 is decomposed into CaO and CO2; after separation adopting a separator, CO2 enters into a preheater and gives out heat; CaO is separated into two parts by a returning valve and one of the two parts enters into the gasification reactor and the other one of the two parts enters into the absorption reactor; CaO in the absorption reactor absorbs residual CO2 and produces CaCO3; after separation adopting a separator and condensation, clean H2 is obtained; and the separated CaCO3 enters into the calcination reactor so that sorbent recycle is realized.
Owner:SOUTHEAST UNIV
Anti-blocking grating for water purification
InactiveCN110180235AAvoid corrosionExtended service lifeTreatment involving filtrationStationary filtering element filtersImpellerGrating
The invention discloses an anti-blocking grating for water purification, relates to the technical field of filter devices for sewage treatment, and aims to solve the problem that sewage contains lotsof impurities, so that grating holes are always blocked, resulting in low water velocity and reduced sewage treatment efficiency. One side of a secondary filtering grating plate is provided with a primary filtering grating plate, and the primary filtering grating plate is fixedly connected with the secondary filtering grating plate through screws; both sides of the primary filtering grating plateare provided with water diversion plates, anti-blocking brush arms are arranged between the secondary filtering grating plate and the primary filtering grating plate, both sides of the anti-blocking brush arms are provided with anti-blocking brush arm fixing links, the middle part of each anti-blocking brush arm is provided with a rotating shaft, impellers are arranged outside each rotating shaft,brush plates are arranged both above and below each rotating shaft, one side of each brush plate is provided with anti-blocking brush hair, and a brush plate connecting rod is arranged between each brush plate and the corresponding rotating shaft.
Owner:SUZHOU RONGNENG ENVIRONMENTAL PROTECTION SCI & TECH CO LTD
Solar-sail spacecraft structure provided with distributed satellites for traction
ActiveCN106394933AReduce weight requirementsHigh spin control efficiencyCosmonautic power supply systemsArtificial satellitesSatelliteAttitude control
The invention discloses a solar-sail spacecraft structure provided with distributed satellites for traction. The solar-sail spacecraft structure provided with the distributed satellites for traction is composed of a central spacecraft, the distributed satellites and a square solar sail film. The distributed satellites are fixedly connected with the central spacecraft through connection and separation devices, and the distributed satellites are ejected to be separated from the central spacecraft through the connection and separation devices, so that the relative speed is obtained; and tied ropes are pulled to be controlled at the same time, so that the solar sail film is pulled out and unfolded. After the solar sail film is unfolded in place, a system is made to spin up through active acting force of the distributed satellites, and tensile force for keeping the solar sail film flat is generated. The multiple distributed satellites are used for providing traction force in the unfolding process, providing centrifugal force in the on-orbit flight process and serving as a distributed effective loading platform when a detection task is carried out. A thin-film solar cell and a liquid crystal reflection device are pasted onto the solar sail film; and electric energy converted by the solar cell is stored in a power source management system, serves as electric energy required for operation of satellite-borne equipment and is used for achieving posture control of the central spacecraft.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Energy-saving variable-frequency industrial electric appliance control cabinet
InactiveCN110989739AImprove cooling effectEasy to divergeSimultaneous control of multiple variablesCooling/ventilation/heating modificationsTemperature controlGrating
The invention relates to an energy-saving variable-frequency industrial electric appliance control cabinet, and belongs to the frequency conversion control cabinet technical field. The energy-saving variable-frequency industrial electric appliance control cabinet comprises a cabinet body, one side of the cabinet body is provided with an opening and a door body closing the opening, cooling water pipes are respectively fixed on two side inner walls of the cabinet body, the side wall of the cabinet body far away from the opening is provided with a ventilation grating communicated with the outside, and the inner wall of the cabinet body far away from the opening is fixed with a heat conduction sheet; a circulating water tank is arranged at the bottom of the cabinet body, two ends of the cooling water pipe are respectively communicated with the circulating water tank, and circulating water pumps are respectively arranged at the water inlet end and the water outlet end of the cooling water pipe; the energy-saving variable-frequency industrial electric appliance control cabinet further comprises a temperature detection module and a temperature control module; the temperature detection module detects the temperature in the cabinet body, the temperature control module recognizes and judges a temperature detection signal, and when the detected temperature value is larger than a water cooling temperature set value, the temperature control module controls the circulating water pump to be started to work. In the daily use process, the heat dissipation efficiency of the interior of the cabinet body is high, and energy is saved.
Owner:ZHEJIANG ZHONGKONG XIZI TECH
Two-degree-of-freedom rotation control device and application system with device
ActiveCN104850140ASimple structureLow costStands/trestlesControl using feedbackElectricityMiniaturization
The present invention discloses a two-degree-of-freedom rotation control device and an application system with the device. The device comprises a rotating body (1) which comprises a friction spherical surface and is provided with a load mounting platform at the top or internal part of the rotating body, a fixed support structure which holds the rotating body (1) such that the rotating body has the rotational degrees of freedom, drive motors (7) which are standing wave type piezoelectric ceramic motors and are longitudinally distributed around the rotating body (1), and a control unit which controls and adjusts the rotation of the rotating body (1) in two rotational degrees of freedom according to the attitude data measured by a detection unit. The driving ends of the drive motors are in direct contact with the friction spherical surface of the rotating body (1), and longitudinal friction transmission pairs which are tangent to the friction spherical surface are formed. The device has the advantages of simple structure, low cost, stable performance, easy miniaturization, wide dynamic response and small power consumption and can be widely used in a variety of dynamic stabilization platforms and automatic static directional / leveling devices.
Owner:BEIJING UNISTRONG SCI & TECH
Four-stroke free piston internal combustion engine
InactiveCN105626255AAvoid short circuit lossReduce fuel consumptionFree piston enginesSpray nozzleCylinder block
The invention discloses a four-stroke free piston internal combustion engine. The four-stroke free piston internal combustion engine comprises a cylinder body, an air inlet valve set, a vent valve set, a spraying nozzle set, a piston set, a connecting rod set, a power output block, a position sensor and a control unit; the cylinder body comprises four air cylinders; the air inlet valve set comprises four electronic control air inlet mechanisms which are located in the above four air cylinders; the vent valve set comprises four electronic control vent mechanisms which are located in the above four air cylinders; the spraying nozzle set comprises four electronic control spraying nozzles which are located in the above four air cylinders; the piston set comprises four pistons which are arranged in the four air cylinders; the connecting rod set comprises four connecting rods which are connected to the above four pistons; the power output block is connected to the above four connecting rods, and a unique motion component of an internal combustion engine system is jointly formed and used for externally providing straight-line reciprocated power; the position sensor is used for determining the real-time position of the above motion component; and the control unit is electrically connected to the air inlet valve set, the vent valve set, the spraying nozzle set and the position sensor.
Owner:CHINA SHIP DEV & DESIGN CENT
Preparation method for activated carbon and water purification filter element and water purifier manufactured by same
InactiveCN108545739AReduce pollutionLow activation temperatureCarbon compoundsOther chemical processesActivated carbonEcological environment
The invention discloses a preparation method for activated carbon and a water purification filter element and a water purifier manufactured by the same. The preparation method comprises the followingsteps: (1) selecting shells; (2) pre-processing the shells; (3) dipping by zinc chloride; and (4) carbonizing and activating. The method is simple in process, convenient in operation, and low in costwithout consuming a lot of energy sources, and is capable of using xanthoceras sorbifolia bunge shells as a raw material, wherein the source of the raw material is extensive, and protecting the ecological environment. The prepared activated carbon is good in adsorption effect. The method is suitable for the agricultural field.
Owner:山西文冠果科技有限公司
Magnetic drive
InactiveCN101212191ANo need to consume energyProtect environmentGenerators/motorsNatural resourceEngineering
The invention belongs to a power machine field and particularly relates to a magnetic motor. The invention comprises a rotor component, a stator component, a bearing seat and a shell and is characterized by no consumption of natural resource, no environmental pollution, no requirement on added energy source, attractive appearance, simple structure, convenient operation and maintenance, low cost, as well as easiness in market promotion and popularization.
Owner:龚清
Conducting concrete using polyaniline as conducting phase and preparation method thereof
The invention belongs to the field of a composite material, and particularly relates to conducting concrete using polyaniline as a conducting phase and a preparation method thereof. The conducting concrete using polyaniline as the conducting phase is prepared from the following ingredients in parts by weight: 100 to 200 parts of cement, 100 to 200 parts of sand, 15 to 150 parts of conducting polyaniline, 0.15 to 1.5 parts of dispersing agents and 50 to 200 parts of water. The preparation method is simple. Firstly, the conducting polyaniline, the dispersing agent and the water are mixed according to the weight parts; then, the ball milling dispersion is performed; next, all dispersing liquid is sufficiently stirred and mixed with the weight parts of cement and sand; next, the mixture is poured into a template; the processes of mold dismounting, maintaining, drying and the like are performed; finally, the conducting concrete using polyaniline as the conducting phase is obtained. The conducting concrete using polyaniline as the conducting phase prepared by the method and the raw material proportion provided by the invention has the advantages that the electric resistivity can be reduced to 69.0 ohm.cm; the voltage withstanding intensity can reach 35.7MPa; the conducting concrete is completely applicable to industrial production.
Owner:HUBEI UNIV
Multifunctional mini-resistance integrated protection device used for fan outlet side
InactiveCN102352859ASmall pressure lossLarge displacementPump componentsPumpsEngineeringSmall footprint
The invention discloses a multifunctional mini-resistance integrated protection device used for a fan outlet side. The device comprises a shell (1), wherein one end of the shell (1) is provided with an air inlet (2), and the other end of the shell (1) is provided with an air outlet (3). The multifunctional mini-resistance integrated protection device is characterized in that a check valve (4) is installed in the shell (1); the shell between the inner end surface (6) of the air inlet (2) and the air outlet (3) is provided with an outlet (7) shared by pressure relief and evacuation; and the outlet (7) is provided with a pressure relief and evacuation pile-up valve (8). The multifunctional mini-resistance integrated protection device simultaneously has all functions of a pressure release valve, the check valve and an unloading valve, can be independently used, has small installation land occupation and is convenient to install, installing and debugging time can be shortened, and the installation auxiliary attachments of the traditional valve are omitted.
Owner:宜兴市迪凡特机械制造有限公司
Steam and power dual-power-drive fan structure capable of achieving automatic switching
ActiveCN110145477ASimple structureMeet normal operation requirementsPump componentsMechanical energy handlingElectrical conductorCoupling
The invention discloses a steam and power dual-power-drive fan structure capable of achieving automatic switching. The problems that a fan drive structure is complex, single gas source drive or motordrive is adopted, at most of time, normal running needs cannot be met, and normal production is affected are solved. Two permanent magnet couplings are selected according to the actual industry and mining, when the permanent magnet couplings work, a controller controls an executor motor to work, an output shaft of the executor motor rotates and drives a pushing disc to rotate through a swing rod and a connecting rod, a pushing convex strip slides over a convex block from thin to thick, a sliding sleeve and a shaft sleeve are pushed to move in the direction away from the pushing disc, a permanent magnet disc gets close to a conductor disc, the air gap between the conductor disc and the permanent magnet disc is reduced, a steam turbine output shaft or electric motor output shaft can drive afan rotating shaft to rotate, the controller controls the rotation angle of the output shaft of the executor motor to achieve output torque adjusting between 0 and 100%, and engaging and disengaging between a steam turbine and a fan and between an electric motor and the fan can be achieved.
Owner:杭州科晟能源技术有限公司
Steam and power dual-power-drive fan structure
ActiveCN110145476ASimple structureReduce alignment requirementsPump componentsMechanical energy handlingMotor driveSelf locking
The invention discloses a steam and power dual-power-drive fan structure. The problems that a fan drive structure is complex, single gas source drive or motor drive is adopted, at most of time, normalrunning needs cannot be met, and normal production is affected are solved. Two permanent magnet couplings are selected according to the actual industry and mining, when the permanent magnet couplingswork, a rotating gear drives a pushing disc to rotate, a pushing convex strip slides over a convex block from thin to thick, a sliding sleeve and a shaft sleeve are pushed to move in the direction away from the pushing disc, a permanent magnet disc gets close to a conductor disc, the air gap between the conductor disc and the permanent magnet disc is reduced, a steam turbine output shaft or electric motor output shaft can drive a fan rotating shaft to rotate, and an air outlet of the fan begins to output air. Through control over the gear turning angle, the air gap is controlled, engaging anddisengaging of the permanent magnet couplings and magnitude adjusting of output torque can be achieved, and due to a ratchet wheel, ratchets and a pawl, gear self locking is achieved.
Owner:杭州科晟能源技术有限公司
Massaging device
The invention discloses a massaging device which is characterized in that a massaging head, a rubber sleeve, a first handle, a second handle and a connecting plate are included, wherein the inner ends of the first handle and the second handle are fixed on the two sides of the connecting plate respectively, the massaging head is fixed on the connecting plate, the outer portions of the first handle and the second handle are provided with a first handle sleeve and a second handle sleeve in a sleeved mode respectively, the rubber sleeve is arranged on the outer portion of the connecting plate in a sleeved mode, the first handle sleeve and the second handle sleeve penetrate through the two ends of the rubber sleeve respectively, during using, the first handle sleeve and the second handle sleeve are pressed, and the massaging head is aligned with a massaging portion for massaging. The massaging device can massage the back, the neck, the thighs, the waist and the like of a human body, massaging accuracy is high, a certain part of the body can be massaged stably for a long time in a pointed mode, size is small, weight is light, carrying is convenient, the massaging device can be used in different places, adaptability is high, energy loss is low, and cost is low.
Owner:黄卓红
Self-excited air granule conveying device
ActiveCN106966173AIncrease air velocityEasy to levitate and accelerateBulk conveyorsAirflowSelf excited
The invention provides a self-excited air granule conveying device. The self-excited air granule conveying device comprises a granule conveying pipe, a first air blower, a second air blower, a flexible turbulence assembly, a separator and a feeding tank. The flexible turbulence assembly is arranged inside the granule conveying pipe and is close to a discharging opening of the feeding tank. The flexible turbulence assembly comprises a fin rod and multiple flexible fins. The flexible fins are evenly arranged on the fin rod in the length direction of the fin rod. The two axial ends of the fin rod are arranged in an axial cavity of the granule conveying pipe. By the adoption of the self-excited air granule conveying device, under the drive of turbulent air flow, granules flow along the granule conveying pipe, and extra energy is not needed; the flexible fins have the enhancement function on the speed of the vertical air flow so that the granules can more easily suspend and accelerate, and the pressure loss of the system can be reduced; and air flow oscillation caused by the flexible fins changes the movement features of the granules, so that low-frequency large-scale granule flow is formed beneficially, and the air conveying speed and pipe wear can be reduced.
Owner:JIANGSU UNIV OF TECH
Adjustable high-vibration-isolation-performance automobile seat suspension structure
InactiveCN108501781ASimple structureLow costSeat suspension devicesMedium frequencyVibration isolation
Owner:CHONGQING UNIV
Detection method for content of ceramic powder of organic ceramic mixture
InactiveCN106018159AAccurately measure the contentNo need to consume energyWeighing by removing componentWater contentMetallurgy
The application provides a method for detecting the content of ceramic powder in an organic ceramic mixture. The organic ceramic mixture includes ceramic powder and organic matter, and the detection method includes: step S1, using an organic solvent to wet the organic ceramic mixture to form a first analyte, wherein the organic solvent and the organic matter are miscible; step S2, the first analyte The solid and the liquid in are separated, obtain solid isolate; Step S4, measure the weight m of solid isolate 1 ; Step S5, using the formula m 1 ×(1‑s) to calculate the weight of the ceramic powder, where s represents the moisture content of the ceramic powder. The detection method does not need to use high temperature, does not need to consume a large amount of energy, and can accurately measure the content of the ceramic powder in the mixture through simple and convenient operation.
Owner:LANGFANG GAOCI NEW MATERIALS TECH CO LTD
Fruit fly trap
PendingCN109497007ASpeed up distributionImprove trapping effectInsect catchers and killersEngineeringBottle
The invention discloses a fruit fly trap. The fruit fly trap comprises a transparent bottle body, a bottle cover and a windmill device; a horizontal fixing plate is arranged in the middle in the bottle cover, an insect inlet opening is formed in the side face, located on the lower portion of the fixing plate, of the bottle cover, the windmill device comprises fan blades, a horizontal transmissionrod, a driving helical gear, a vertical transmission rod, a driven helical gear and a color plate, the horizontal transmission rod penetrates through the bottle cover, is located on the side face of the upper portion of the fixing plate and stretches into the bottle cover, the horizontal transmission rod is rotatably connected with the fixing plate, the fan blades are fixedly installed at a stretch-out end of the horizontal transmission rod, the driving helical gear is fixedly installed at a stretch-in end of the horizontal transmission rod, the vertical transmission rod is installed on the fixing plate and rotatably connected with the fixing plate, the driven helical gear is fixedly installed at the upper end of the vertical transmission rod, the driving helical gear is in transmission connection with the driven helical gear, and the color plate is fixedly installed on the side face of the lower portion of the vertical transmission rod. According to the fruit fly trap, rotation of thecolor plate can be achieved by means natural wind power, and the trapping effect of fruit flies is achieved.
Owner:张敬
Nut grading and unshelling device
ActiveCN105768120AMeet the production requirements of "grading + shell breaking"Small footprintHuskingHullingEngineeringProduct processing
The invention belongs to the technical field of agricultural product processing machines and particularly relates to a nut grading and unshelling device. A device body is of a hollow box structure and consists of a grading area and an unshelling area. The nut grading and unshelling device is characterized in that the grading area consists of a conveying groove, a first cross plate arranged in the upper part of the device body, a rotary device arranged on the first cross plate and grading pipes; and the inlet end of the rotary device is communicated with the outlet end of the conveying groove, and the outlet end of the rotary device is connected with the grading pipes. The nut grading and unshelling device has the advantages that since breaking blades are provided with wedge-shaped bulges, nuts can be better extruded by the breaking blades when broken, so that larger pressure is applied onto the nuts and further the nuts are conveniently broken; and due to arrangement of the rotary device, the nuts can enter the grading pipes from the conveying groove without dead corners in the whole process, so that the nuts can not be blocked.
Owner:YUNNAN WOOD RIVER YUNSHENG FRUIT CO LTD
Central cooler back-washing device for dredger
PendingCN107044797ANo delay in operationImprove cooling effectFlush cleaningMarine engineeringCheck valve
The invention relates to a central cooler back-washing device for a dredger, belonging to the technical field of dredging construction. The central cooler back-washing device for the dredger is characterized by consisting of a seawater pump, valves and pipelines, wherein the outlet of the seawater pump communicates with an outboard through valves and a seawater filter; the outlet of the seawater pump is connected with two central coolers in parallel through pipelines and valves; the seawater outlets of the two central coolers are connected with the inlet pipeline of the seawater pump and the outboard through valves; pipelines between the seawater inlets of the two central coolers and the valves are connected with back-washing check valves; and the back-washing check valves communicate with the outboard through pipelines and sea valves. The central cooler back-washing device has the advantages that the structure is simple; cost is low; cost performance is excellent; no additional energy is needed; practicability is high; operation is convenient; controllability is good; the central cooler back-washing device is applicable to back-washing of all plate-cooling heat exchangers, especially the dredger during coastal construction; and the like.
Owner:CCCC TIANJIN DREDGING
Manufacture method of electronic equipment radiating coating
InactiveCN107163836AReduce surface temperatureImprove working environmentAntifouling/underwater paintsPaints with biocidesHazardous substanceNano carbon
The invention belongs to the technical field of coatings and particularly relates to a manufacture method of electronic equipment radiating coating; the manufacture method comprises the steps of (1) preparing modified resin; (2) preparing a film-forming aid; (3) ball-milling main materials; (4) preparing the coating. The coating comprises various resin materials, jade powder, nano carbon, nano silica and other materials; the solid matter ground by ball milling is fine and uniform; with the film-forming aid and the additives, the manufactured coating has uniform nature and high adhesion. The radiating coating produced herein has good heat conductivity, high heat-dissipating property, good antioxidant property and corrosion resistance, barely produces harmful matters during production and usage, and is good in safety and environmental friendliness.
Owner:HEFEI DONGHENGRUI ELECTRONICS TECH CO LTD
Rotating shaft with function of switch-on and switch-off by one key and cellphone with rotating shaft
ActiveCN102143663ANo need to consume energySmall sizeCasings/cabinets/drawers detailsTelephone set constructionsEngineeringCam
The invention discloses a rotating shaft with a function of switch-on and switch-off by one key, which comprises a press block sleeved on a spindle, a cam set and an elastic component, wherein the cam set comprises a main cam, a slave cam always adhering to the main cam and an auxiliary cam sleeved in the main cam, the press block can be moved axially in the main cam to drive the auxiliary cam to move axially, the axial movement of the auxiliary cam can drive the cam to move axially and turn over, and the slave cam compresses the elastic component for energy storage. The invention also discloses a cellphone with the rotating shaft with the function of switch-on and switch-off by one key.
Owner:江苏伟途力丰科技有限公司
Diseases-prevention organic fertilizer prepared by edible fungi residue
InactiveCN101759494BPrevent intrusionReduce the frequency of sprayingBio-organic fraction processingOrganic fertiliser preparationFungicideMicroorganism
The invention relates to a diseases-prevention organic fertilizer prepared by edible fungi residue, comprising the following steps of: adding trichoderma fermentation liquid into decomposed edible fungi residue, and preparing trichoderma fermentation substance; adding actinomycete fermentation liquid into decomposed edible fungi residue, and preparing actinomycete fermentation substance; evenly mixing the trichoderma fermentation substance and the actinomycete fermentation substance according to the mass ratio of 0.5-1:0.5-1; and airing the obtained mixture until the moisture content is 20-22% at the normal temperature; wherein the decomposed edible fungi residue is prepared by stacking and fermenting 75-85 parts of edible fungi residue, 15-20 parts of cake and 1-2 parts of microbial fermentation fungicide, and airing until the moisture content is 25-35%. The diseases-prevention organic fertilizer has high effective component, good diseases-prevention effect, safety, environmental protection and low cost.
Owner:SHANDONG GUANGDA FERTILIZER INDAL TECHCO
A kungfu tea companion robot
PendingCN109124352AReduce energy consumptionReduce mechanical wearBeverage vesselsTransceiverUltrasonic sensor
A Kungfu tea companion robot is disclosed. A mobile phone terminal comprises a voice recognition module and a first signal transceiver module, the robot controller RCU comprises a second signal transceiver module, which is connected with the first signal transceiver module. The robot controller RCU is in signal connection with a turntable, the output end of ultrasonic sensor module signal is connected with the signal input end of the robot controller RCU, and the signal output ends of the tea brewing motor module and the tea pouring motor module are connected with the output end of the robot controller RCU signal. Kungfu tea companion robot is convenient for people's life under the condition of small energy consumption, small mechanical wear and tear and long service life. Intelligent automatic tea pouring is achieved by using ultrasonic sensors and the RCU control system. The robot is stable and reliable, and can eliminate the hidden danger that people scald their hands due to spilling water when pouring tea. Turn off the equipment when you don't need tea, and you don't need to consume energy.
Owner:蔡凯鹏
Preparation method of pecan shell active carbon
InactiveCN106976879AWide variety of sourcesImprove adsorption capacityCarbon compoundsActivated carbonEcological environment
The invention relates to a preparation method of pecan shell active carbon. Pecan shells are crushed and are then dried; then, the dried walnut shells are added into a phosphoric acid solution with the concentration being 20 to 35 weight percent to be soaked; filtering is performed; filter slag obtained through filtering is put into a muffle furnace to be heated and activated; then, the materials are cooled to room temperature to obtain activated materials; the activated materials are subjected to acid washing, and are then washed by water to a neutral state; finally, sieving is performed to obtain a finished product. The method provided by the invention has the advantages that the process is simple; the operation is convenient; the consumption of a great number of energy sources is not needed; the cost is low; the pecan shells are used as a raw material; the source of the raw material is wide; the ecological environment is protected; the adsorption effect of the prepared active carbon is good.
Owner:句容市百诚活性炭有限公司
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