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43results about How to "Not afraid of corrosion" patented technology
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Metal PTC electric heating tube component of air conditioner and manufacturing method thereof
The invention discloses a metal PTC electric heating tube component of an air conditioner. A wound PTC heating filament of which two ends are sleeved and fixed with a conductive bar respectively, is placed in the center of a copper-plated iron pipe; a part of the conductive bars at two ends of the wound PTC heating filament is positioned outside the copper-plated iron pipe; magnesium oxide powder as heat conducting and insulating powder is filled in the copper-plated iron pipe; the wound PTC heating filament is tightly pressed in the center of the magnesium oxide powder in the copper-plated iron pipe; an aluminum pipe of a plurality of aluminum radiating fins is sleeved outside an expansion sleeve of the copper-plated iron pipe, namely the copper-plated iron pipe is tightly matched with the aluminum pipe, and the aluminum pipe is tightly matched with the aluminum radiating fins; and pipe orifices at two ends of the copper-plated iron pipe are sealed by silicon rubber and then sleeved into a porcelain head. The metal PTC electric heating tube component has the advantages of reasonable structure and better safety performance and durability. A manufacturing method for the component comprises the following steps: cutting the pipe, grinding the pipe, drilling the pipe, cleaning, winding wires, cleaning, drying, threading, measuring wires, spot welding, filling, stuffing a film, measuring withstood voltage, contracting the pipe, detecting the length of the pipe, middle inspection, peeling, pulling out colloidal particles, cutting a pin, straightening, inversing pipe angles, expanding the pipe, sealing, measuring the withstood voltage, measuring insulation, and measuring resistance.
Owner:ZHEJIANG ZHENGLIANG ELECTRONICS & ELECTRICAL
Conductive diamond film for electrode and its preparation method
InactiveCN1341774ANot afraid of corrosionGood chemical stabilityChemical vapor deposition coatingCarbon sourceElectrochemistry
The present invention relates to a conductive diamond film for electrode and its preparation method. It is mainly applicable to electrochemical analysis and detection. Said film contains 0.3%-5% of boron and 99.5%-99.7% of carbon content, and is prepared by adopting microwave reinforced chemical gas phase deposition process. In the course of preparation using silicon as base, making the silicon base undergo the processes of sand-blasting, cleaning, placing in diamond powder and ethyl alcohol mixed solution, ultrasonic wave treatment, and then placing the above-mentioned material in settling chamber, selecting and using hydrogen and methane mixed gas as reaction gas of carbon source, and selecting and using 1% of trimethyl borate and 99% of hydrogen gas mixed gas as boron-doping gas source, sending microwave whose frequency is greater than 2GH2 into the settling chamber so as to make gas being in settling chamber produce plasma. By controlling flow speed of the above-mentioned gas source and growth time the diamond film with required content and thickness can be obtained. Said diamond film can be directly used as electrode.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Method for producing liquid wood integral door
The invention discloses a method for producing a liquid wood integral door, which comprises the following steps of: 1) preparing liquid wood, namely (1) drying and grinding raw materials; (2) mixing the raw materials to obtain a mixture; and (3) generating the liquid wood, wherein the liquid wood comprises the following raw materials in part by weight: 100 parts of polyvinyl chloride, 40 parts of calcium carbonate, 60 parts of wood fiber powder, 4.5 parts of stabilizer, 8 parts of chlorinated polyethylene (CPE), 5 parts of acrylamide (ACR), 3 parts of H530, 0.5 part of polyethylene (PE) wax, 0.6 part of stearic acid, and 1 part of pigment; and 2) performing extrusion molding on the liquid wood at one time to obtain the integral door. In the method, the raw materials are molded at one time at a high temperature and under high pressure, do not contain formaldehyde, and are subjected to surface treatment by adopting thermal transfer technology; the integral door is free of paint, has no any toxic harmful gas and smell release in the production and use process, is environmental-friendly and has practicality.
Owner:杨华
Non-contact magnetic transmission absolute angle sensor for steering system of automobile
InactiveCN101603808AOvercome the disadvantages of high price and high environmental requirementsLow environmental requirementsUsing electrical meansSteering columnEngineering
The invention relates to a non-contact magnetic transmission absolute angle sensor for a steering system of an automobile, comprising a magnetic cylinder (1), a CPU control unit (7), a magnetic wheel mechanism and Hall sensors, wherein the magnetic wheel mechanism comprises two driven magnetic gears and a driving magnet wheel (5) which is in mesh connection with the driven magnetic gears, and one magnetic steel (1) is installed on the central part of each driven magnetic gear; the driving magnet wheel is fixed on a steering column (8); and one Hall sensor is installed adjacently to each magnetic steel, and the Hall sensors are connected with the CPU control unit by data wires. The invention has the advantages of low requirement on environment, high cost performance, wide range of measurement, insensitivity to error caused by temperature, convenient installation, etc.
Owner:WUHAN UNIV OF TECH
Waste heat recovery for condensing type anti-corrosive gas/oil-fired boiler
ActiveCN102410550AReduce pollutionAchieve energy saving and emission reductionCorrosion preventionIndirect heat exchangersThermal energyWater vapor
The invention discloses a waste heat recovery for condensing type anti-corrosive gas / oil-fired boiler, which can effectively recover the physical heat of boiler flue; not only lots of sensible heat is recovered, but also the latent heat of vaporization discharged by condensation of water vapor. The structure is as follows: a common heat tube heat exchanger body and a solution spraying device are included. The heat tube heat exchanger body is used for transferring the heat from the flue side to the other side by the shock transmission of the heat tube, so as to heat the air or water; the solution sprayed by the sprayer is uniformly distributed in the heat exchange tube on the flue side and on the inner wall of the heat exchanger, so as to remove the corrosion from the weakly acidic solution formed by condensation of water vapor in the flue of the boiler.
Owner:SHANDONG TIANLI DRYING TECH & EQUIP
Lightweight carbon fiber container
InactiveCN110980026AWith heat preservation functionEasy to prepareLarge containersDomestic articlesFiberThermal dilatation
The invention discloses a design structure of a lightweight carbon fiber container. The container comprises an upper cover and a base, is formed in an open uncovering mode, and is compact in structureand light in weight. Rainproof, sealing and dustproof functions are achieved. Proper temperature, humidity and mechanical environment is provided in the transportation process. A carbon fiber material is adopted to form a container structure part, the design is reasonable, and the construction is simple and convenient. The carbon fiber has many excellent performances, and has the advantages of high axial strength and modulus, low density, high specific performance, no creep deformation, ultrahigh temperature resistance in a non-oxidation environment, high fatigue resistance, small thermal expansion coefficient, anisotropy and good corrosion resistance. High electric conduction and heat conduction performance, high electromagnetic shielding performance and the like are also realized.
Owner:LIANYUNGANG YINGYOU HEDA MOLD MFG
ECU control system of power surf board, working method thereof and power surf board
PendingCN109625200AImprove securityImprove reliabilityProgramme controlWaterborne vesselsEngineeringLuminous flux
The invention relates to an ECU control system of a power surf board, a working method thereof and a power surf board. The ECU control system comprises a control handle, wherein the control handle isprovided with an optical fiber luminous flux switch; the control handle is triggered to enable the optical fiber luminous flux switch to output a digital control signal, and the digital control signalis transmitted to a processor module via optical fibers through an optical coupled isolator; the processor module is suitable for control over work of the ECU control system according to the digitalcontrol signal. According to the ECU control system of the power surf board, the working method thereof and the power surf board, the digital control signal is transmitted through the optical fibers,a common electric wire switch mode is changed thoroughly, it is not needed to be worried about electrical signal loss or short-circuiting caused by water and seawater corrosion; since a PVC optical fiber cable is soft, high in strength and not prone to breaking, the using safety and reliability of the power surf board are improved greatly.
Owner:常州市兔客智能科技有限公司
Preparation method of composite board
The invention relates to a preparation method of a composite board required by manufacturing industry of desks / chairs and furniture. The method comprises the steps of extrusion and hard compression at constant temperature. The method comprises the following steps: compositely and uniformly stirring and dehydrating PVC (polyvinyl chloride), wood meal, calcium powder and related materials in a high speed machine, sending into an extruding machine, heating to 180-230 DEG C in the extruding machine, carrying out foaming and extrusion, sending into a thermal insulation cabinet, and sending into a hydraulic machine mold, wherein a mold with required shape is arranged in the hydraulic machine, the mold pressure of the hydraulic machine is 300-2400 tons and is determined by the size of the product, and a quick refrigerating plant is arranged in the mold, so that the extruded mixture can be quickly cooled, molded and demolded. The composite board has the characteristics of high toughness, high hardness, worm resistance, corrosion resistance, moisture absorption resistance and no deformation, can be nailed or punched, can not be influenced when being put outdoors for three years, can be reutilized, is free of formaldehyde, can be used in middle and small desks / chairs and household kitchens, and has the advantages low cost, beautiful appearance and high quality.
Owner:GUANGZHOU LIANGJIAN STATIONERY CO LTD
Production process of viscose filament with nano chitin
InactiveCN1986915AImprove functionalityImprove long-term effectMonocomponent cellulose artificial filamentChitin formationViscose fiber
The production process of viscose filament with nanometer chitin includes the steps of mixing, grinding, filtering, injecting, acid bath treatment, forming, washing and stoving. It features the mixing step to compound chitin solution with chitin, desalted water and assistant; and the injecting step comprising suction filtering the chitin solution and adding the chitin solution into raw spinning liquor with the adding ratio being 20 ml to 1L. The viscose fiber with nanometer chitin of the present invention has tightly combined chitin, and lasting and stable chitin function. The present invention expands the application range of viscose product.
Owner:YIBIN GRACE
Corrosion-resistant dry-grinding-resistant centrifugal pump
PendingCN110905821ASimple sealing structureWorking principle scienceSpecific fluid pumpsPump componentsEngineeringBearing (mechanical)
The invention discloses a corrosion-resistant dry-grinding-resistant centrifugal pump, which comprises a pump shell, a main shaft, a shaft seal on the main shaft, a bearing seat and an impeller installed at the end of the main shaft and located in a pump shell volute cavity. The shaft seal comprises a sealing box assembly and a mechanical seal. The mechanical seal comprises a static ring and a movable ring; the sealing box assembly is fixedly connected with the pump shell; the movable ring is fixed on the main shaft; the movable ring is positioned in the pump cavity and is in contact with conveyed feed liquid; the sealing box assembly comprises a sealing box, a sealing box pressing rear cover which is separated from or integrated with the sealing box, and a static ring pushing elastic circle arranged in the sealing box; two ends of the static ring pushing elastic circle are compressed between the sealing box pressing rear cover and the static ring; the static ring pushing elastic circle is in an elastic compression state, a static ring friction amplitude and a movable ring friction amplitude are contacted and sealed, a rigid partition plate is fixedly connected to the sealing end face of the sealing box and the sealing end face of the pump shell, the circumferential face of an inner hole of the rigid partition plate makes contact with the outer circumferential face of the static ring in a sealed mode, and the outer circumferential face of the static ring pushing elastic circle, the sealing box pressing rear cover, the rigid partition plate and the static ring form a liquidstorage cavity in a surrounding mode.
Owner:宜兴市宙斯泵业有限公司
Spiral inner-tube vacuum heat collecting tube suitable for large temperature difference
ActiveCN104279777AExcellent heat resistance temperatureExtended service lifeGeneral water supply conservationSolar heat devicesThermodynamicsSolar heat
The invention relates to a spiral inner-tube vacuum heat collecting tube suitable for large temperature difference. The spiral inner-tube vacuum heat collecting tube comprises an outer tube, a sealing element, an inner tube and a supporting tube, wherein the sealing element is used for sealing the two end parts of the outer tube and enclosing a vacuum space; the inner tube is arranged inside the outer tube, and two ends of the inner tube penetrate out of the sealing element; two ends of the supporting tube are connected with the sealing element, and the supporting tube is used for supporting the inner tube; and the inner tube comprises a spiral section located in the middle and linear sections located at two ends, wherein the spiral section is wound on the supporting tube, the linear sections penetrate out of the sealing element, and annular bulges for preventing the linear sections from sliding relative to the sealing element are also arranged at positions, penetrating out of the sealing element, on the linear sections. By using the spiral inner-tube vacuum heat collecting tube, a favorable vacuum degree can be kept between the outer tube and the spiral inner tube under the conditions of high temperature and large temperature difference; and the spiral inner-tube vacuum heat collecting tube is low in manufacturing cost, long in working life, high in heat efficiency and capable of greatly promoting the industrialization and large-scale production of solar heat collecting tubes and promoting environment protection.
Owner:ZHANGJIAGANG YUCHENG MASCH C0 LTD
Fan used for animal husbandry and production method of fan
The invention relates to the technical field of heat dissipation of colony houses for livestock, in particular to a fan used for animal husbandry and a production method of the fan. The fan comprises a fan body and a support, a power source is connected with an electric control box and a motor, the support consists of a rotating system, a power system and an electric control system, a reducer with an oblique gear and a turbine is arranged on a motor shaft of the rotating system, a transmission shaft and the electric control box are disposed on the reducer, a plurality of rotating shafts are disposed on the transmission shaft, couplers are equidistantly disposed on the transmission shaft on the left sides and the right sides of the rotating shafts, a bearing is arranged in an inner cavity of each rotating shaft, the bearings are connected with plane bearings, a gear is disposed outside each rotating shaft, the gears drive the turbine, a fan angle adjusting support is disposed on the lower portions of the plane bearings of the rotating shafts and provided with a fan shell, the fan shell is a square hollow frame structure made of plastics in a rotational moulding forming manner, and a circular inner cavity which rotates along blades of the fan is arranged in the middle of the square frame structure. The fan is durable, reduces cost and is safe and reliable.
Owner:上海特瑞机械设备盐城大丰有限公司
Self-floating collision prevention device based on composite materials
InactiveCN105908678AGood mechanical propertiesStable in natureClimate change adaptationShipping equipmentPolyurethane elastomerInterior space
The invention discloses a self-floating collision prevention device based on composite materials; and the device coasts a stand column of a marine structure, and floats up and down along with a water level. The device is characterized by forming a ring body by multiple connected collision prevention units; the cross sections of the collision prevention units are fan rings, and the longitudinal sections are ellipses; and the collision prevention units are formed by glass fiber resins, corrugated sandwich steel plates, polyurethane elastomers, inner-layer steel plates and polyurethane foam multilayer composite materials from edge to internal in sequence, wherein an internal space formed by the inner-layer steel plates is filled with polyurethane foams. The self-floating collision prevention device is stable in water property, resistant in corrosion, excellent in impact resistance, and green and environment-friendly.
Owner:JIANGSU UNIV OF SCI & TECH
Guide ceramic valve rod for filling valve and filling valve with same
PendingCN110217744AAvoid high temperature agingAvoid corrosionLiquid bottlingCeramic coatingMaterials science
The invention discloses a guide ceramic valve rod for a filling valve, and relates to the technical field of filling valves. The ceramic valve rod comprises a stainless steel valve element and a ceramic coating arranged on the outer side of the stainless steel valve element, wherein the ceramic valve rod and a valve sleeve are sealed in a matched guide mode. According to the guide ceramic valve rod, the ceramic coating is arranged on the outer side of the stainless steel valve element, so that the stainless steel valve element has high temperature resistance and corrosion resistance; and the ceramic valve rod and the valve sleeve are sealed in the matched guide mode, and a guide belt and a sealing ring are cancelled, so that the problems that the guide between the valve rod and the valve sleeve is not flexible and a spring cannot reset due to the aging of the sealing ring are solved.
Owner:HEFEI ZHONGCHEN LIGHT IND MACHINERY
Polystyrene anticorrosive paint
InactiveCN105885555AImprove water resistanceNot afraid of corrosionAnti-corrosive paintsFiltrationPetroleum resin
The invention provides polystyrene anticorrosive paint. The polystyrene anticorrosive paint is prepared from, by weight, 20-40 parts of polystyrene (old foam), 15-35 parts of xylene, 6-30 parts of 200# gasoline, 6-20 parts of petroleum resin, 5-15 parts of VAE, 6-15 parts of anti-settling agent and a proper quantity of pigments. According to a preparation method, recovered discarded old polystyrene foam is dissolved through a solvent, and static settlement is carried out. During production, a polystyrene solution, the petroleum resin, the VAE, the anti-settling agent and other raw materials are weighed accurately and added into a reaction kettle, a charging opening is covered, a shearing and emulsifying machine is started to scatter and mix the materials at the speed of 1,400 r / min for one hour, and then the speed is increased to 2,800 r / min for high-speed shearing and emulsifying. When the viscosity and fineness reach standards, filtration and filling can be conducted, and finished products are put in storage.
Owner:邹文和
Methanol and pure water mixing device
InactiveCN114367210ANo downtimeNot afraid of corrosionFlow mixersTransportation and packagingPeristaltic pumpPhysical chemistry
The invention provides a methanol and pure water mixing device which comprises first peristaltic pumps and second peristaltic pumps, the top end of a pure water tank is communicated with the input ends of the two first peristaltic pumps through water conveying pipes, the top end of the pure water tank is communicated with the output end of a pure water generator, and one end of a methanol tank is communicated with the input ends of the two second peristaltic pumps through methanol conveying pipes. The other end of the methanol box is communicated with the output end of the methanol self-priming pump, and the output ends of the first peristaltic pump and the second peristaltic pump are respectively communicated with the input end of the static mixer. The invention aims to provide the methanol and pure water mixing device which is long in service life, safe and pollution-free.
Owner:中氢新能北京新能源技术研究院有限公司
Stirring device, reaction container and analytical instrument
PendingCN112808056AFlexible structureImprove general performanceRotary stirring mixersTransportation and packagingEngineeringMechanical engineering
The invention discloses a stirring device, a reaction container and an analytical instrument. The stirring device comprises a supporting pipe, a transmission shaft, a first oil seal, a second oil seal, a first bearing and a second bearing; the transmission shaft penetrates through the supporting pipe, and the two ends of the transmission shaft extend out of the supporting pipe by a certain length; the first bearing and the first oil seal are mounted at one end in the supporting pipe, and the second bearing and the second oil seal are mounted at the other end; and the first bearing and the second bearing support the transmission shaft, and the first oil seal and the second oil seal seal the transmission shaft. The stirring device can be installed on the reaction container in various modes, leakage points are transferred, all structural accessories of the stirring device are hidden in the supporting pipe, the supporting pipe is connected with an instrument container in a non-movable rigid connection mode, the installation mode is firm and reliable, movement is avoided, and therefore, leakage caused by aging of accessories after long-time work does not exist.
Owner:王峰
Setting method of Hall linear stroke indicator
ActiveCN105651157ANot afraid of pollutionNot afraid of corrosionUsing electrical meansAudio power amplifierHall element
The invention provides a setting method of a Hall linear stroke indicator. The Hall linear stroke indicator comprises a Hall element and a conditioning circuit connected with the Hall element; the conditioning circuit comprises a temperature compensation constant current source circuit which is input into a magnetoelectricity conversion circuit, namely the Hall element, the Hall element output is output via a signal adjustment and amplification circuit; the Hall element converts a magnetic signal into an electric signal, and the electric signal is output after being adjusted and amplified by virtue of an operational amplifier; and magnetic steel is arranged and enters a working region of the Hall linear stroke indicator, and the Hall element senses a magnetic field and outputs a voltage signal. When the magnetic steel displaces along the axis of the Hall linear stroke indicator, voltage output by the Hall element is in linear variation along with a gradually strengthened magnetic field strength sensed by the Hall element, and the stroke of the magnetic steel can be judged through conversion.
Owner:NANJING ZHONGXU ELECTRONICS SCI & TECH
Energy-saving and safe instantaneous water heater
The invention discloses an energy-saving and safe instantaneous water heater. The energy-saving and safe instantaneous water heater comprises an outer shell, and further comprises a control plate for controlling a heating water temperature, wherein an inner container is arranged on the inner part of the outer shell; a water inlet tube is connected below the right side of the inner container; the top end of the inner container is connected to a water outlet tube; a partition plate for dividing the inner container into a left cavity and a right cavity is further arranged in the inner container; the upper end of the partition plate and the top of the inner container are provided with a water overflowing gap through which water can be diffused into the left cavity from the right cavity; a ceramic heating tube assembly is arranged in the inner container; the bottom of the left cavity communicates with a bottom water inlet of the ceramic heating tube assembly; a top water outlet of the ceramic heating tube assembly is connected to the water outlet tube; and a Hall water flow switch is arranged on the water outlet tube.
Owner:中山浩发节能科技有限公司
Cultivation method of wasp cordyceps sphecocephala
InactiveCN113575279AIncreased chance of infection with beechweed ascosporesNot afraid of corrosionCultivating equipmentsMushroom cultivationHorticultureBeehive
The invention discloses a cultivation method of wasp cordyceps sphecocephala, and relates to the technical field of wasp breeding. The cultivation method comprises the following steps: pouring cement and reinforcing steel bars into a medium beehive for later use; in autumn every year, scalding worker wasps to death with boiled water for standby application; paving a foam box with clean fine yellow mud, compacting the yellow mud, inserting the yellow mud into a plurality of small holes by using a small stick, putting the worker wasps into the small holes with the heads facing upwards, then covering the surface with the clean fine yellow mud and then putting the foam box into the beehive; taking out the foam box from the beehive and putting the foam box in an outdoor environment to absorb rainwater and sunlight after each worker wasp begins to grow cordyceps sphecocephala in the next year; and after autumn, cleaning and drying the worker hasps and the cordyceps sphecocephala growing on the worker hasps in the sun for later use. Compared with the prior art, the cordyceps sphecocephala cultivated in the constant-temperature and constant-humidity environment of the bee box has the advantages of being uniform in growth vigor, high in medicinal component and the like.
Owner:三江县连兴科技有限公司
Rotary water distributor of microbial filter bed
PendingCN113772827AReduce energy consumptionNot easy to corrodeBiological water/sewage treatmentMicroorganismEnvironmental engineering
A rotary water distributor of a microbial filter bed comprises a water inlet pipe and a rotary sleeve; the upper end of the water inlet pipe is closed, and at least one rotational flow water outlet hole is formed in the pipe wall of the upper portion of the water inlet pipe around the central axis in an annular array mode; an annular storage tank is arranged on the lower portion of the water inlet pipe, mercury is contained in the annular storage tank, and the lower end of the rotating sleeve is inserted into the annular storage tank and located below the liquid level of the mercury; the upper end of the rotating sleeve is closed, and at least three cavity separating plates are fixedly arranged on the inner sleeve wall of the rotating sleeve around the central axis in an annular array; and at least two water distribution pipes are connected and arranged on the outer sleeve wall of the rotating sleeve around the central axis in an annular array. Tangential water columns are sprayed outwards through the rotational flow water outlet holes in the water inlet pipe, the water columns impact on the cavity partition plate, so the rotary sleeve can be pushed to rotate, the water distribution pipe is driven to rotate, and a circular water distribution range is formed.
Owner:JIANGXI GAIA ENVIRONMENTAL SCI & TECH CO LTD +1
Simple type fertilizer crusher
The invention discloses a simple type fertilizer crusher, and belongs to the technical field of crushers. In order to solve the technical problems in the prior art that the internal lining of the conventional crusher is liable to the corrosion and impact damage and cumbersome in disassembly and replacement, two much noise is generated in equipment production, the crushing effect of the crushing device is poor, the raw materials are liable to wall adhering and cannot be cleaned thoroughly, the technical scheme adopted lies in that the simple type fertilizer crusher comprises a driving motor, a feed hopper, a crusher box body and a crushing device; a crusher inner barrel is arranged in the crusher box body; the crusher inner barrel is cylindrical and formed by movably splicing three barrel boards; a box door is arranged on the outer side surface of the crusher box body; each of the barrel boards is fixedly connected with the box door through a connecting plate; a sound insulation material is arranged between the box door and the barrel boards; the crushing device is arranged in the crusher inner barrel; the crushing device comprises a transmission shaft, an upper chain fixing disc, a lower chain fixing disc, chain fixing pillars and chains.
Owner:SHANDONG YOUBANG FERTILIZER IND & TECHCO
Ultra-low rotating speed tidal current energy pulse generator
InactiveCN106230226AHigh mechanical strengthEasy to installFinal product manufactureMachines/enginesMechanical energyEngineering
The invention belongs to development technical field of ocean energy in renewable energy sources, and relates to an ultra-low rotating speed weak tidal current energy efficient power generation apparatus. A generator rotor is equipped with a weight-balancing part and a one-way transmission mechanism; the mechanical energy output by a main shaft is converted into gravitational potential energy for the weigh-balancing part of the generator rotor; the generator rotor and the weigh-balancing part rapidly fall off rotatably in a manner similar to free falling body; and when the speed achieves the highest level, pulse type power generation is realized through coils. The ultra-low rotating speed tidal current energy pulse generator is applicable to ultra-low rotating speed weak tidal current at the speed of 0.3m / s or below, which is high in power generation efficiency, long in power generation time, wide in applicable range, and suitable for 85% of sea areas of China; and meanwhile, the ultra-low rotating speed tidal current energy pulse generator is simple in structure, high in mechanical strength, reliable in performance, light in weight, easy to install, wide in applicable area, capable of manufacturing different specifications according to different power requirements, low in cost, long in service life, small in size, and resistant to sea water corrosion.
Owner:NORTHEAST NORMAL UNIVERSITY
Method for realizing waterproof, anti-disassembly and anti-replacement of a safety case
InactiveCN113835493AEnsure integrityEnsure safetyDigital processing power distributionEnergy efficient computingGlass fiberSafety case
The invention discloses a method for realizing waterproof, anti-disassembly and anti-replacement of a safety case. The method realizes the functions of waterproof, anti-disassembly and anti-replacement (internal PCB) performances. The case is designed into a case base and a case cover plate, and the base and the cover plate are both realized in an injection molding manner (for example, the injection molding material is nylon 66 plus 30% of glass fiber). Four corners of the base and the cover plate are respectively provided with a through hole (for example, the cover plate and the base are fixed by adopting an M8 316 stainless steel column, and the base and the cover plate are fixed by spin riveting), the upper parts of four edges of the base are provided with glue filling grooves, and the cover plate is provided with clamping grooves at positions corresponding to the glue filling grooves; the method is suitable for environments with strict requirements on safety, and in the environments, the power consumption of equipment is not high, but the reliability requirement is very high. By adopting the customized safe case, the problems of water prevention, disassembly prevention and replacement prevention (internal PCB) can be well solved.
Owner:深圳深度探测科技有限公司
A biogas engineering unit device
InactiveCN104843961BIncrease productionIncrease gas productionAgricultural buildingsWaste based fuelGreenhouseUnit device
The invention relates to a biogas engineering unit device. The biogas engineering unit device comprises a wall body, wherein a roof is arranged on the upper side of the wall body, a sunlight greenhouse is arranged on the right side of the roof, a pigsty is arranged on the right side of the wall body, a manure gutter is arranged on the lower side of the front door of the pigsty, the manure gutter is connected to a fermentation chamber through a feed inlet, a sensor is arranged at the upper portion of the left end of the fermentation chamber, a biogas chamber cover is arranged on the upper side of the fermentation chamber, an opening is provided in the left portion of the upper side of the biogas chamber cover, an opening cover is arranged on the opening, a gas outlet is provided in the middle portion of the upper side of the biogas chamber cover, a baffle is arranged at the upper portion of the right end of the fermentation chamber, a radiator is arranged on the upper side of the baffle, a controller is arranged on the upper side of the radiator, the radiator is connected to a medium return port in a heating box through a pipe A, the heating box is connected to a circulating pump through a pipe, the circulating pump is connected to the lower side of the radiator through a pipe B, the right side of the heating box is connected with a power supply, the power supply is connected with a battery pack, and the battery pack is connected with a power generator. The biogas engineering unit device has the advantages of reasonable design, good economic benefit and convenience in use.
Owner:JIAOZUO UNIV
Anti-pollution CTD (conductivity, temperature and depth) conductivity probe
PendingCN108051484ANo drifting issuesHigh saturation magnetic inductionMaterial resistanceGuide tubePollution
The invention discloses an anti-pollution CTD (conductivity, temperature and depth) conductivity probe; two circular magnet ring coils are coaxially arranged, an anti-corrosion voltage withstand insulating shell is arranged outside, and the axial center is provided with a sea water passage; the two magnet ring coils include an exciting magnet ring and an output magnet ring; a core of each of the exciting magnet ring and the output magnet ring is a nanocrystal core; a shaft is a flow guide tube having good resistance to sea water corrosion and stable physiochemical properties. The anti-pollution CTD conductivity probe employing inductive conductivity measurement is solid and reliable and is resistant to corrosion, free of polarization and long in service life.
Owner:STATE OCEAN TECH CENT
Automatic direction regulating device of rotation-free joint of horizontal axis tidal current energy generating system
ActiveCN102536594BLow costSolution to short lifeHydro energy generationMachines/enginesUniversal jointHorizontal axis
Owner:NORTHEAST NORMAL UNIVERSITY
Antiprick bicycle wheel
InactiveCN1155486CNot afraid of corrosionWith heat insulation and heat dissipation characteristicsRimsPneumatic tyre reinforcementsRubber ringEngineering
An antiprick bicycle wheel is composed of tyre inner tube, steel rim, spokes and axle. The said tyre is a reverse U-shaped section metal ring with a rubber ring on its surface. The said steel rim is also a U-shaped section metal ring with the holes on the bottom for installing spokes. Its advantages are inflatable inner tube, stainless steel tyre, combined rim, and not afraid of nail or glass prick at all.
Owner:赵绕棋
Anti-corrosion anti-dry-grinding shaft seal
PendingCN111022369ASimple sealing structureWorking principle scienceSpecific fluid pumpsPump componentsEngineeringMaterials science
The invention discloses an anti-corrosion anti-dry-grinding shaft seal. The shaft seal is mounted on a centrifugal pump main shaft. The shaft seal comprises a sealing box assembly and a mechanical seal. The mechanical seal comprises a static ring and a moving ring. The anti-corrosion anti-dry-grinding shaft seal is characterized in that the sealing box assembly is fixedly connected with a pump shell, the moving ring is fixed to a main shaft, and the moving ring is located in a pump cavity and is in contact with conveying material liquid; the sealing box assembly comprises a sealing box, a sealing box pressing rear cover and a static ring pushing elastic ring arranged in the sealing box, wherein the sealing box pressing rear cover and the sealing box are arranged in a split or integrally manner; the two ends of the static ring pushing elastic ring are compressed between the sealing box pressing rear cover and the static ring, the static ring pushing elastic ring is in an elastic pressing state, a static ring friction pair is in contact sealing with a moving ring friction pair, and a rigid partition is fixedly connected to the sealing end surface of the sealing box and the pump shell; and the peripheral surface of an inner hole of the rigid partition is in contact sealing with the outer peripheral surface of the static ring, and a liquid storage cavity is defined by the outer peripheral surface of the static ring pushing elastic ring, the sealing box pressing rear cover, the rigid partition and the static ring.
Owner:宜兴市宙斯泵业有限公司
Bendable blades of a hydrodynamic self-pitching turbine
ActiveCN106438184BNot afraid of corrosionEasy to installHydro energy generationReaction enginesTurbine bladePitch variation
The invention belongs to the technical field of development of ocean energy of renewable energy sources, and particularly relates to a blade of a hydrodynamic automatic variable-pitch turbine which can efficiently convert tidal current energy in oceans into mechanical energy. Efficient utilization of bidirectional tides can be achieved, the blade is automatically bent under the hydrodynamic action of tides, and thus pitch variation is achieved. The bendable blade is provided with rotating shafts, the installation rotating shaft is arranged at the front end of the blade and used for installing the blade on the turbine, and the blade can swing left and right around the installation rotating shaft; the big rotating shaft is mounted in the middle of the blade, and the front portion and the tail portion of the blade can rotate around the big rotating shaft by a small angle; and the blade is suitable for areas with bidirectional returning tides, efficient pitch variation of the turbine is achieved, conversion is efficient, the cost is low, and motive seal and extra energy drive are not needed. The bendable blade of the hydrodynamic automatic variable-pitch turbine is simple in structure, high in mechanical strength, reliable in performance, low in weight, long in service life, resistant to seawater corrosion and free of maintenance.
Owner:NORTHEAST NORMAL UNIVERSITY
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