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113results about How to "Reduce blocking" patented technology
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Gas-solid fluidized bed reactor and method for photo-thermal coupling catalysis of CO2 reduction
PendingCN119565513Aimprove performanceFull performanceChemical/physical processesGas solidPtru catalyst
The invention provides a gas-solid fluidized bed reactor and method for photo-thermal coupling catalysis of CO2 reduction. The gas-solid fluidized bed reactor comprises a reactor main body, a gas inlet base and a heating part, a reaction cavity in the reactor main body is an inverted circular truncated cone-shaped cavity, and a quartz light window is arranged at the top of the reaction cavity; a columnar gas channel is arranged in the gas inlet base; the bottom of the reactor main body is connected with the top of the air inlet base, and a porous sieve plate is arranged between the reactor main body and the air inlet base; the bottom of the inverted circular truncated cone-shaped cavity is communicated with the top of the columnar gas channel through a porous sieve plate; the heating part is used for providing heat for the reactor main body and the air inlet base. According to the photo-thermal reactor, light blocking caused by catalyst accumulation of a traditional photo-thermal reactor is reduced, the contact area of reactant gas and the catalyst is effectively increased, and the efficiency of the catalyst is fully exerted.
Owner:XI AN JIAOTONG UNIV
Semiconductor laser element and light-emitting device
PendingCN119674710Areduce absorptionImprove hole injection efficiencyOptical wave guidanceLaser active region structureDopantElectron hole
The invention provides a semiconductor laser element and a light-emitting device. An electron blocking layer is arranged between a second coating layer and a second waveguide layer of the semiconductor laser element; the second semiconductor layer is doped with a P-type dopant, the P-type dopant in the electron blocking layer has at least one doping concentration peak, the doping concentration of Mg at the doping concentration peak is smaller than the maximum doping concentration of the P-type dopant in the second semiconductor layer, and the P-type dopant in the electron blocking layer gradually approaches the direction of the electron blocking layer. The doping concentration of the P-type dopant in the second coating layer is provided with a plurality of subareas, and the doping concentration curve of the P-type dopant is gradually reduced along the plurality of subareas. Due to the descending trend of the Mg doping concentration in the second semiconductor layer, it can be guaranteed that the second semiconductor layer can provide enough holes, the hole injection efficiency in the quantum well layer is improved, and the light emitting efficiency is improved. Meanwhile, due to the arrangement of the second semiconductor layer, light absorption can be reduced, and the light emitting effect of the device is improved.
Owner:QUANZHOU SANAN SEMICON TECH CO LTD
Multifunctional unmanned aerial vehicle undercarriage
InactiveCN119590662Aincrease the anglereduce blockingAircraft braking arrangementsWheel arrangementsUncrewed vehicleStructural engineering
Owner:TIBET YINGHAN INFORMATION TECHNOLOGY CO LTD
Multi-angle micro-nano bubble cleaning system and method for wafer
ActiveCN119426242Areduce volumeLarge specific surface areaSemiconductor/solid-state device manufacturingCleaning using liquidsMicro nanoWafering
The invention discloses a multi-angle micro-nano bubble cleaning system for wafers, which belongs to the technical field of micro-nano bubble cleaning and comprises an ozone generator, a heating tank, a micro-nano bubble generator, a cleaning tank, a filter and an electric control cabinet. The ozone generator and the heating tank are respectively connected with an inlet of the micro-nano bubble generator, an outlet of the micro-nano bubble generator is connected with an inlet of the cleaning tank, and an outlet of the cleaning tank is connected with the filter; the electric control cabinet is electrically connected with the heating tank, the ozone generator and the micro-nano bubble generator; the cleaning pool comprises a cleaning station and a plurality of cleaning nozzles, and the cleaning nozzles can be driven to swing through a reciprocating motor; the invention further discloses a corresponding cleaning method. The cleaning efficiency and the removal rate of stains on the surface of the wafer can be improved, uneven cleaning is avoided, and pollution to the environment is reduced.
Owner:HUBEI UNIV OF TECH
Civil aviation security video monitoring equipment convenient to install
ActiveCN224120930UEnsure vertical positionGuaranteed stabilityStands/trestlesVideo monitoringStructural engineering
The utility model provides civil aviation security video monitoring equipment convenient to install, which belongs to the technical field of monitoring equipment and comprises an installation seat, a connecting assembly is fixedly installed in the center of the upper surface of the installation seat, a stand column is installed on the connecting assembly, and a camera body is installed at the top of the stand column through an installation assembly. According to the utility model, through the arrangement of the connecting assembly, when the camera body is installed, the installation seat is fixedly installed at the position where the camera body needs to be installed, then the locking bolt is screwed upwards, the locking bolt drives the limiting block to move upwards, then the stand column is grabbed and lifted upwards, and the pin shaft on the stand column slides upwards along the sliding groove, so that the camera body is installed. The vertical column is rotated along the direction of the open slot through the pin shaft until the horizontal height of the bottom of the vertical column is equal to the horizontal height of the bottom of the open slot, so that the vertical column is positioned in the open slot in an inclined manner, and then the camera body is mounted at the bottom of the vertical column through the mounting assembly; and the camera body can be installed at a high position without climbing.
Owner:SHANDONG AIRPORT MGMT GRP YANTAI INTL AIRPORT CO LTD
Ventilation wall air conditioner indoor unit and ventilation wall air conditioner
PendingCN119653730AImprove the winding effecteasy to watchMechanical apparatusLighting and heating apparatusCold airElectric control
The invention provides a ventilation wall air conditioner indoor unit and a ventilation wall air conditioner, the ventilation wall air conditioner indoor unit comprises a first ventilation wall module, the first ventilation wall module comprises a plurality of first cold air cavities arranged side by side, and a first fan assembly is arranged in each first cold air cavity; the upper portion of the first cold air cavity located in the middle is covered with a door plate, a display screen module is embedded in the door plate, a weak electric control box and a strong electric control box are sequentially arranged in the first cold air cavity on the inner side of the door plate from outside to inside, a weak electric component is arranged in the weak electric control box, and a strong electric component is arranged in the strong electric control box. According to the ventilation wall air conditioner indoor unit and the ventilation wall air conditioner, the internal assemblies are reasonable in layout, the air outlet effect of the ventilation wall device is effectively improved, and use operation and maintenance of a user are facilitated.
Owner:GUANGDONG ENVICOOL TECH CO LTD
Constant-temperature monitoring fire coal drying device for coal-fired power plant
InactiveCN119617805Astable air pressureGuaranteed circulationUsing liquid separation agentDrying solid materialsProcess engineeringTemperature monitoring
The invention discloses a coal-fired power plant constant-temperature monitoring fire coal drying device, and belongs to the technical field of fire coal drying, the coal-fired power plant constant-temperature monitoring fire coal drying device comprises a drying bin, a sliding door assembly is arranged on the side wall of the drying bin, a hot air blower is fixedly installed on the side wall of the drying bin in a penetrating mode, an exhaust assembly is fixedly connected to the side wall of the drying bin, and a material pressing assembly is fixedly installed on the side wall of the drying bin in a penetrating mode; according to the device, by arranging the structures such as the air exhaust assembly and the material pressing assembly, the air pressure in the drying bin can be kept stable, coal powder flowing along with air in the drying bin can move into a material pressing frame, the dust falling assembly is fixedly installed on the top of the material pressing assembly, and the temperature monitor is fixedly installed on the side wall of the drying bin in a penetrating mode; and after accumulation for a certain time, the pulverized coal is extruded and formed through the combined action of a baffle, a material pressing frame and an extrusion block, then pushed into the conveying frame and moved into the drying bin again through the conveying frame, so that the collected pulverized coal can be dried, and follow-up use is facilitated.
Owner:JURONG GENERATE ELECTRICITY PLANT HUADIAN JIANGSU ENERGY CO LTD
A headset
ActiveCN115209268BImprove acoustic performanceImprove sound leakageEarpiece/earphone attachmentsSkin contactTransducer
The present application mainly relates to an earphone, wherein a movement shell is used to contact the user's skin, a transducer device enables the skin contact area of the movement shell to generate bone conduction sound under the action of the transducer device, a diaphragm divides the accommodating cavity into a front cavity and a rear cavity, the movement shell is provided with a sound outlet hole connected to the rear cavity, and the diaphragm generates air conduction sound transmitted to the human ear through the sound outlet hole during the relative movement of the transducer device and the movement shell; the movement shell is provided with a pressure relief hole connected to the front cavity and a sound tuning hole connected to the rear cavity, the pressure relief hole and the sound tuning hole are arranged adjacent to each other, the leakage sound output through the pressure relief hole has a first resonance peak f1, and the leakage sound output through the sound tuning hole has a second resonance peak f2, the peak resonance frequencies of the first and second resonance peaks are respectively greater than or equal to 2kHz, and |f1‑f2| / f1≤60%, thereby making the peak resonance frequencies of the two leakage sounds as close as possible in the frequency band above 2kHz, so as to better cancel each other out and improve the sound leakage problem of the earphone.
Owner:SHENZHEN SHOKZ CO LTD
A welding device for a diesel generator set base
ActiveCN120480353BWelding will not affectEasy to observe and control
The application provides a welding device for a diesel generator set base, and relates to the technical field of automatic electric arc welding of diesel generator sets. The welding device for the diesel generator set base comprises a storage base plate, a lifting mechanism is arranged on the inner side of the storage base plate, a support frame is fixedly connected to the upper surface of the storage base plate, a lifting assembly is arranged on the inner side of the support frame, a grabbing arm is arranged on the upper end surface of the lifting assembly, a placing rack is arranged on the surface of the storage base plate, a rocker mechanism is arranged on the inner side of the placing rack, a grabbing frame is arranged at the free end of the rocker mechanism, a moving assembly is arranged on the inner side of the grabbing frame, and a grabbing plate is clamped on the surface of the moving assembly. The welding device for the diesel generator set base can clamp the base steel material of the grabbing frame by the grabbing arm, so that the steel material can be combined into a frame. When the base is welded, the steel material does not need to be adjusted and supported, the effect of rapid welding is achieved, and the problem that the position of the steel material is not only heavy but also inconvenient to weld during welding is solved.
Owner:JIANGSU EXCALIBUR POWER MASCH
A mountain road slope rockfall protection device
The application discloses a kind of mountainous area highway slope rockfall protection equipment, including supporting mechanism;The supporting mechanism includes protection plate, and further include at least one first linear degree of freedom;At least four The protection plate is hinged between each other and is folded mutually;The technology of the application can flexibly unfold and adjust the position, angle and form of protection plate according to actual situation by the design of supporting mechanism, abutting mechanism and carrying mechanism.This makes the protection device can adapt to different shapes of slope and various rockfall angle, improves the overall adaptability.M type of unfolding mode makes impact force more evenly distributed on each folding layer, thereby reducing the risk of damage caused by excessive local stress.This helps to prolong the service life of protection plate, reduces maintenance cost.M type of unfolding mode makes the side with acute angle face the side of mountainous area slope rockfall, this design can better intercept and block rockfall.
Owner:CHINA WATER CONSERVANCY & HYDROPOWER NO 9 ENG BUREAU CO LTD
Sewage treatment apparatus with filter grid
ActiveCN224723725USolve the problem of cumbersome disassemblyMeet the needs of filtration
The utility model relates to sewage treatment technical field, and specifically is a kind of sewage treatment equipment with filter grating, including first filter tank, second filter tank and box, the first filter tank inside is equipped with filter cavity, the first filter tank top end is also equipped with with opening intercommunication's embedded slot, box top end is fixedly connected with sealing plate, the box is equipped with with filter cavity intercommunication's cavity, box is close to the end of second filter tank inner wall and is equipped with the clamping groove for installing grating plate;Box is away from the end of grating plate inner wall lower part and is equipped with blanking plate, and the blanking plate both ends are with the fixed connection of filter cavity both ends inner wall. Grating plate is cooperated with the clamping groove of box by mounting frame, and is fixed by bolt, when disassembling, just loosen bolt can be taken out, without complex tool;Meanwhile, box is connected with the first filter tank by sealing plate, after unscrewing self-tapping screw, box can be taken out by handle, realize the quick disassembly of grating plate, solve the problem of grating disassembly complicated in traditional equipment.
Owner:TIANJIN JINBEI WATER CO LTD
Laboratory sample rack
ActiveCN111054463Breduce blockingimprove accuracyTest tube stands/holdersExperimental laboratoryTube placement
The present invention discloses a laboratory sample rack, comprising a base, a support frame and a sample tube fixing plate, wherein the upper surface of the base has a buffer layer, the lower end of the support frame is connected to the base, the sample tube fixing plate has a sample tube placement hole, the sample tube fixing plate is arranged above the base, the sample tube placement hole is within the upward projection range of the buffer layer, and the support frame is used to support and fix the sample tube fixing plate. The laboratory sample rack provided by the present invention can reduce the collision between the sample tube and the sample rack, and avoid the sample tube from bouncing up when placing the sample tube, causing the sample to spill and cause contamination.
Owner:GUIZHOU JINYU MEDICAL LAB CENT CO LTD
Grinding aid flow controller for cement production
The utility model discloses a cement production is with grinding aid flow controller, including the shell, and it is characterized by: the shell is fixedly connected with the feed pipe, the shell bottom fixedly connected with the discharge pipe, the shell is fixedly connected with the air cylinder, the piston rod of air cylinder fixedly connected with the mounting bracket, the mounting bracket is fixedly connected with the stand, and the stand is slidably connected with the shell, and the stand one end fixedly connected with the briquetting, and the briquetting is slidably connected in the shell, and the briquetting is slidably connected with the connecting rod, and the connecting rod one end fixedly connected with the block up, the utility model's beneficial effect reflects: through servo motor control discharge pipe and the opening between block up, and the flow control is more accurate, and the briquetting is arranged in the shell, and the pipe wall residual can be cleaned, and the shell and the discharge pipe internal hopper structure design are not easy to keep, and the reduction is blocked up.
Owner:SHANDONG ZHONGSEN NEW MATERIAL CO LTD
A headset
ActiveCN115209278BImprove acoustic performanceImprove sound leakageEarpiece/earphone attachmentsSkin contactTransducer
The present application mainly relates to an earphone, wherein the movement shell is used to contact the user's skin, the transducer device enables the skin contact area of the movement shell to generate bone conduction sound under the action of the transducer device, the diaphragm divides the accommodating cavity into a front cavity and a rear cavity, the movement shell is provided with a sound outlet hole connected to the rear cavity, and the diaphragm generates air-conducted sound transmitted to the human ear through the sound outlet hole during the relative movement of the transducer device and the movement shell; the movement shell is provided with a pressure relief hole connected to the front cavity and a sound tuning hole connected to the rear cavity, the pressure relief hole enables the front cavity to be connected with the external environment to reduce the blockage of the front cavity to the rear cavity, the sound tuning hole can destroy the high-pressure area of the rear cavity, reduce the wavelength of the standing wave in the rear cavity, and make the peak resonance frequency of the air-conducted sound shift to high frequency; the wavelength of the standing wave in the front cavity is reduced by cooperating with multiple pressure relief holes, so that the peak resonance frequency of the leakage sound output through the pressure relief hole adjacent to the sound tuning hole is shifted to high frequency, so that the leakage sound output through the adjacent pressure relief hole and the sound tuning hole is better coherently canceled.
Owner:SHENZHEN SHOKZ CO LTD
Aerosol generating device
An aerosol generating device is provided with an air inlet channel and an atomizing channel, the air inlet channel comprises a first air inlet cavity and a second air inlet cavity communicated with the atomizing channel, and a communicating hole communicated with the first air inlet cavity and the second air inlet cavity is formed in the air inlet cavity; the aerosol generating device is further provided with a first air inlet and a second air inlet which are communicated with the first air inlet cavity, the first air inlet and the second air inlet are arranged in a staggered mode in the extending direction of the atomization channel, and / or the included angle between the orientation of the first air inlet and the orientation of the second air inlet is not zero. The first air inlet and the second air inlet are both communicated with the atomization channel through the communicating holes, on one hand, the probability that all the air inlets are blocked or shielded can be reduced by arranging the first air inlet and the second air inlet which are different in position and / or orientation, and the air inlet amount and normal work of the aerosol generating device are ensured; on the other hand, the air inflow of the atomization channel can be adjusted by adjusting the size of the communicating hole, and the consistency of mass production of the aerosol generating device is ensured.
Owner:SHENZHEN GEEKVAPE TECH CO LTD
A metal mesh hot air drying oven
This application discloses a hot air drying oven for metal mesh, belonging to the field of hot air drying technology. It mainly includes a box body; the box body includes a hot air box and a conveying assembly; the conveying assembly includes several conveying rollers for conveying the metal mesh. The key feature is that each of the several conveying rollers is equipped with a guide wheel assembly, which includes a first guide wheel and a second guide wheel; both the first and second guide wheels are provided with a bearing portion and a limiting portion, and the diameter of the bearing portion is larger than the diameter of the conveying roller, while the diameter of the bearing portion is smaller than the diameter of the limiting portion; the bearing portions on the first and second guide wheels are close to each other; by providing the guide wheel assembly, the metal frame in the metal mesh can be placed on the guide wheels, thereby increasing the distance between the metal mesh and the conveying rollers, thus reducing the obstruction and interference of the conveying rollers on the hot air flowing down the metal mesh, thereby improving the uniformity of drying on both sides of the metal mesh.
Owner:CHANGZHOU PLET PRINTING TECH CO LTD
A load 32 Method for preparing ultra-thin sheet-like chitosan hydrogel patch of P
ActiveCN119792586Bincrease viscositygood curative effectRadioactive preparation carriersRadioactive preparation formsHydrophilic coatingPolymer science
This invention discloses a load 32 The preparation method of the ultrathin sheet-like chitosan hydrogel applicator of P includes: (1) preparing a chitosan aqueous solution; (2) adding methacrylic anhydride to the chitosan aqueous solution to obtain methacrylated chitosan; (3) preparing a methacrylated chitosan aqueous solution; (4) adding 2-hydroxy-4′-(2-hydroxyethoxy)-2-methylphenylacetone to the methacrylated chitosan aqueous solution to obtain a chitosan hydrogel precursor solution; (5) coating the inner wall of a polytetrafluoroethylene mold with a superhydrophilic coating; (6) adding Na2H 32 PO4 aqueous solution and chitosan hydrogel precursor solution are added to the mold, stirred and then cured by light; (7) the cured hydrogel is taken out and sealed between two layers of transparent tape. This application can prepare an ultra-thin hydrogel applicator, thereby reducing the obstruction of radiation by the hydrogel material itself and enhancing the therapeutic effect of the applicator.
Owner:SICHUAN UNIV
Hydrogen storage tank and hydrogen storage device
PendingCN121977160AImprove temperature concentration phenomenonImprove cooling effectContainer filling methodsFixed capacity gas holdersPlate heat exchangerWater flow
The invention discloses a hydrogen storage tank body and a hydrogen storage device. The invention discloses the hydrogen storage tank body and the hydrogen storage device. The hydrogen storage tank body comprises a hydrogen inlet, a heat exchange medium inlet, a heat exchange medium outlet and a central heat exchange structure, the central heat exchange structure comprises a double-spiral pipe and a straight pipe, the double-spiral pipe relieves the phenomenon that local heat concentration exists on the edge of the structure, and the straight pipe is additionally arranged in the center of the spiral pipe, so that the heat dissipation performance of the central part is improved. The hydrogen storage device comprises a hydrogen storage device body, a plate heat exchanger, a water pump, a hydrogen pipeline system and a circulating water pipeline system, the hydrogen storage device body is mainly composed of twelve hydrogen storage tank bodies, a water inlet, a water outlet, an outer frame and inclined supporting partition plates, and the inclined supporting partition plates can prolong the residence time of water flow in the device. And blocking of water flow in the device is reduced, so that the reduction degree of the flow speed is reduced.
Owner:HOHAI UNIV
Anti-blocking receiving hopper
ActiveCN224159754ULarge amount of processingavoid cloggingLarge containersCircular discStructural engineering
The utility model relates to the technical field of anti-blocking of receiving hoppers, in particular to an anti-blocking receiving hopper which comprises a receiving hopper, a blanking hopper and a transmission cutting mechanism, the transmission cutting mechanism is arranged in the blanking hopper and comprises a cutting disc and a cutting rotating shaft, the cutting rotating shaft penetrates through the blanking hopper, and the cutting disc is arranged on the cutting rotating shaft. A plurality of cutting discs are obliquely arranged on the cutting rotating shaft in the blanking hopper, a cutting angle is formed between the cutting discs and the cutting rotating shaft, the plurality of cutting discs are uniformly distributed on the cutting rotating shaft in the blanking hopper at equal intervals, and the cutting discs between two adjacent cutting rotating shafts are arranged at intervals in a crossed manner; the material receiving hopper has the advantages that materials are prevented from being blocked at the bottom of the material receiving hopper, the service life of the material receiving hopper and related equipment is prolonged, the maintenance and replacement cost of the equipment is reduced, the production downtime caused by equipment failures can be shortened, and the reliability and stability of the equipment are improved.
Owner:LINGYUAN IRON & STEEL CO LTD
High-negative-pressure dust collection device for coal conveying belt vestibule
InactiveCN119429772AEasy to scrapereduce adhesionDispersed particle filtrationLoading/unloadingElectric machineryStructural engineering
The invention discloses a high-negative-pressure dust suction device for a coal conveying belt vestibule, and relates to the technical field of ash removal devices.The high-negative-pressure dust suction device comprises a bottom plate, a vacuum pump and an extraction rod, one side of the top of the bottom plate is fixedly connected with an extraction box, the other side of the top of the bottom plate is fixedly connected with a collecting box, and the inlet end of the vacuum pump is connected with a connecting pipe; a top cover is fixedly mounted at the top of the collecting box, a collecting mechanism is arranged in the collecting box, and an extraction mechanism is arranged on the outer side of the extraction box; an inner pipe is transversely and fixedly mounted in the extraction box, and a collection barrel is slidably connected to the inner bottom surface of the collection box; the collecting mechanism comprises a motor and a rotating shaft, a left filter plate and a right filter plate are mounted in the collecting box, and the problems that the material passing screen plate is not cleaned in time, so that the material passing screen plate is possibly blocked and blocked in the subsequent dust and collecting process, the dust collecting efficiency is reduced, and the dust collecting efficiency is reduced are solved. And dust on the wall of the vestibule is inconvenient to collect and treat.
Owner:ERSAN TECH (SHANXI) CO LTD
Fire rescue robot anti-collision structure based on visual feedback
PendingCN122032003AOvercoming the limitations of energy absorptionRealize active preventive collision avoidanceFire rescueRescue robotWater flow
The invention relates to the technical field of fire-fighting robots, and discloses a fire rescue robot anti-collision structure based on visual feedback. High-pressure water flushing protection mechanisms are arranged on the two sides of the fire-fighting robot. The high-pressure water flushing protection mechanism comprises a U-shaped pipe, control equipment and a plurality of high-pressure nozzles; the fire-fighting robot is further provided with induction equipment. The sensing device monitors the surrounding environment in real time, when obstacles in the advancing direction are detected, high-pressure water flow is sprayed out in advance through the high-pressure spray head for buffering, and surrounding residual fire is extinguished. The high-pressure water flushing protection mechanism can be rotatably stored, a U-shaped pipe of the high-pressure water flushing protection mechanism is composed of a curved pipe and a rotatable straight pipe, and the conversion between a buffering mode and a fire extinguishing mode is achieved by switching a high-pressure spray head and a diffusion spray head. And an anti-collision fence structure is arranged on the periphery and is linked with the spray head to form a water cushion effect to enhance buffering. According to the robot, collision is actively prevented through visual feedback, multi-mode water spraying and anti-collision fence linkage are combined, and the anti-collision capacity and the fire extinguishing efficiency of the robot are remarkably improved.
Owner:ZHONGCHENG HLDG GRP CO LTD
Modularized structure connecting and mounting device for cable bridge in electrical vertical shaft
ActiveCN224177860UReduce hanging formworkreduce blockingElectrical apparatusCable trayArchitectural engineering
The utility model provides a cable bridge modular structure connecting and installing device in an electrical vertical shaft, which comprises a frame body, the frame body is of a hollow structure, the size of the frame body is matched with the size of a reserved hole for a cable bridge to penetrate through, and the frame body is provided with a connecting hole; the connecting lugs are arranged around the outer wall of the frame body, the connecting lugs are located on the same plane, and at least one through hole is formed in each connecting lug; and the first fastener is used for penetrating through the through hole to be connected with the floor template. The device is easy to install, after the device is installed, concrete can be poured on a floor formwork, after the concrete is solidified, the device can form a reserved hole without being disassembled, the construction process is simple, the construction technical difficulty is reduced, the processes of secondary formwork erecting, fireproof blocking, root closing-up and the like of the cable bridge are omitted, and the construction efficiency is improved. The construction cost is reduced, and the work efficiency is improved.
Owner:CONSTR & INSTALLATION ENG THE THIRD ENG GROUP OF CHINA RAILWAY +1
A method for preparing a lithium pre-doped amine coordination manganese iron phosphate precursor from lithium manganese iron phosphate
ActiveCN118183677Bhigh economic valuemild reaction conditionsWaste accumulators reclaimingPhosphorus compoundsIron saltsElectrical battery
The application discloses a method for preparing lithium pre-doped amine coordination manganese iron phosphate precursor from lithium manganese iron phosphate, and belongs to the field of battery recycling. The method comprises the following steps: stirring and reacting lithium manganese iron phosphate battery material with a high-valence iron salt solution and a surfactant, and filtering to obtain filtrate and phosphorus iron residue; mixing the filtrate with a phosphate, adjusting the pH of the solution to 2-6, then mixing with an oxidizing agent A, and adding a mixed solution containing an organic amine compound to perform nucleation precipitation reaction, and aging to obtain the lithium pre-doped amine coordination manganese iron phosphate precursor. The application utilizes the surfactant and the high-valence iron salt to efficiently replace divalent iron under acid-free or weak acid conditions, generates a metal solution containing Li + , Fe 2+ , Mn 2+ , performs oxidation to form nucleation precipitation, adds an organic amine compound to control the morphology of the generated particles in the solution, generates the lithium-doped amine coordination manganese iron phosphate precursor, the reaction condition is mild, the energy consumption in the treatment process is low, and the economic utilization value of a manganese byproduct is improved.
Owner:HUNAN BRUNP RECYCLING TECH CO LTD +2
Automatic mold stripping device
PendingCN119500993Areduce blockingReduce the probability of interferenceMoulding machinesElectric machineryStructural engineering
The invention discloses an automatic mold stripping device, belongs to the technical field of mold equipment, and provides an automatic mold stripping device capable of rapidly forming a complex sand mold structure. The automatic mold stripping device comprises a base and a compaction mechanism, the base is connected with a lifting cabin through a lifter, and a plurality of retracting and releasing mechanisms are arranged on the side wall of the lifting cabin; each retracting and releasing mechanism is provided with a movable template, all the templates are located in the lifting cabin and can form a main mold cavity when approaching each other, the inner wall of the lifting cabin is fixedly connected with a partition plate, the center of the partition plate is provided with a base mold cavity penetrating through the upper surface and the lower surface, and the compaction mechanism comprises a fixedly-arranged rack and a linkage plate rotationally connected with the lifting cabin. According to the mold plate structure capable of being demolded in the radial direction of the molding sand mold in the motor shell, the probability of blocking and interference between the mold plate and the molding sand mold in the motor shell in the demolding process is effectively reduced, and therefore the molding sand mold in the motor shell can be made to be more complex, and the motor shell with a more complex inner wall structure is manufactured.
Owner:XIANGSHAN ZHONGYU MOLD CO LTD
Clamping device suitable for corrosion-resistant stainless steel machining
ActiveCN224274804UEasy to adjustreduce blockingWork holdersClassical mechanicsStructural engineering
The clamping device comprises a machine frame, a rectangular frame is arranged on the lower side of the machine frame, a first two-way screw rod is rotationally connected into the rectangular frame, strip-shaped openings are formed in the two sides of the upper side of the machine frame, the first two-way screw rod is slidably connected with a pair of moving blocks, and the moving blocks are connected with the first two-way screw rod. According to the technical scheme, the two sets of clamping seats with the adjustable distance are arranged on the upper side of the rack, compared with the prior art, the distance between the clamping seats can be adjusted according to the length of a stainless steel plate, and after adjustment is finished, the clamping seats can be clamped through the strip-shaped seats, so that the clamping seats can be clamped, and the clamping seats can be clamped. And the position of the adjusting base can be fixed, the overall application range is wide, and adjusting operation is convenient.
Owner:CHONGQING WEIFU METAL PROD CO LTD
Pneumatic power zero-point positioning mechanism
ActiveCN224255183Uavoid wear and tearNo secondary contaminationWork holdersElectric machineryAir blower
The utility model discloses a pneumatic type power zero point positioning mechanism and an efficient air blowing assembly, the efficient air blowing assembly comprises a bearing plate, a cylinder and an air outlet pipe, the bearing plate is arranged at the top of a mounting base, the middle of the bearing plate is movably connected with the cylinder, and the side portion of the cylinder is fixedly connected with the air outlet pipe in a penetrating mode; an air outlet end of an air blower is fixedly connected into the air guide groove; the efficient blowing assembly further comprises a U-shaped frame and a motor, the middle of the U-shaped frame is fixedly connected with one end of the motor, and the output end of the motor is connected with an air blower. Air blown out by the air blower can be exhausted through the four air outlet pipes, the air outlet pipes can be driven to rotate by starting the motor, then the air can be blown out in a rotating mode, dust attached to the surface of the installation base can be blown away at the moment, the dust cannot be attached to the surface of the installation base for the second time, and then the cleaning effect is improved. And the mounting base and other parts can be effectively prevented from being affected by dust and abraded.
Owner:NANTONG JINGRUIHENG IND TECHNOLOGY CO LTD
Cleaning device
The application relates to a cleaning device. The cleaning device comprises a frame, a cleaning assembly, a hand lever assembly, a water injection assembly and a switch assembly. The cleaning assembly comprises a cleaning roller which is rotatably connected to the frame. The hand lever assembly is connected to one end of the frame which is away from the cleaning assembly. The water injection assembly comprises a water tank and a hose. The water tank is mounted on the hand lever assembly. One end of the hose is connected to the water tank. The hose is partially arranged in the hand lever assembly and partially arranged in the frame, so that one end of the hose which is away from the water tank can inject water into the cleaning roller. The switch assembly is at least partially mounted on the hand lever assembly to realize the conduction or blockage of the hose.
Owner:HIZERO APPLIANCES CORP
Surveying and mapping marker post with auxiliary structure
Owner:ZHEJIANG ZHICHENG SURVEYING & MAPPING CO LTD
Compressor
ActiveCN224200808Ureduce blockingContinuous and stable lubricationRotary piston pumpsRotary piston liquid enginesPhysicsOil supply
The utility model relates to the technical field of compressors, in particular to a compressor which comprises a main shaft and a rotating part which are rotationally connected, an oil supply channel is arranged in the main shaft, an outlet of the oil supply channel is located at the end of the main shaft, and one or two of the main shaft and the rotating part is / are provided with an oil guide structure. An oil guide channel is formed at the oil guide structure and communicated with the oil supply channel, the oil guide channel can extend to the radial outer side of the main shaft from the oil supply channel, the oil supply channel can supply oil to the radial outer side of the main shaft through the oil guide channel so as to guarantee that the radial outer side of the main shaft can be continuously and stably lubricated, the structure is simple, the cost is low, and the effect is obvious.
Owner:SUZHOU INVOTECH SCROLL TECH
Method for preparing prebaked anode for aluminum by adding carbon fiber powder and polymerized asphalt
The invention relates to a method for preparing a prebaked anode for aluminum by adding carbon fiber powder and polymerized asphalt, which comprises the following steps of: crushing, screening and grading calcined coke to obtain aggregates with various particle sizes and ball-milled powder; mixing the ground carbon fiber powder and the calcined coke, adding the mixture into a mixing and kneading pot for mixing and kneading, preheating, adding the polymerized asphalt, and continuously heating and mixing and kneading to obtain a paste material; putting the obtained paste into a mold in batches for extrusion forming, and performing cooling forming to obtain a prebaked anode green body; and putting the cooled and molded prebaked anode green body into a roasting furnace, roasting according to a heating curve, and naturally cooling to obtain a high-quality prebaked anode finished product. Compared with the prior art, the prebaked anode has the following beneficial effects that the volume density and mechanical strength of a prebaked anode green body can be effectively improved, the volume density, compression strength and conductivity of the prebaked anode are improved, the thermal shock resistance of the prebaked anode in an aluminum electrolysis cell is improved, and the resistivity and air permeability of the anode are reduced.
Owner:SHANDONG CHENYANG NEW CARBON MATERIAL CO LTD