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Trolley type heat preservation box
ActiveCN222453169Ureduce vibrationGuaranteed buffer functionSealingContainers to prevent mechanical damageThermodynamicsDamping function
The utility model provides a cart type heat preservation box, which relates to the technical field of heat preservation boxes and comprises a heat preservation box body, a box cover is movably mounted at the top of the heat preservation box body, a heat preservation plate is arranged at the bottom of the box cover, a heat preservation sleeve is arranged in the heat preservation box body, and shock absorption damping springs are arranged at four corners of the bottom of the heat preservation box body. The damping springs are matched with the buffering damping columns to be supported at the four corners of the bottom of the heat preservation box body, the buffering and damping functions are provided, meanwhile, the lateral elastic pieces are installed on the outer frame body, the lateral supporting effect can be achieved, the ends of the lateral elastic pieces are connected to the inner sides of the sliding rails in a sliding mode through the sliding blocks, and the sliding blocks are not prone to falling off. The sliding lifting adjustment can be provided, so that the functions of lateral buffering and limiting can be guaranteed while damping is provided, vibration of internal objects in the moving process is reduced, the stability in the moving process is improved, and the objects in the box body can be guaranteed conveniently.
Owner:NINGBO HAIYI IND CO LTD
Heat preservation and insulation ceramic cup
The heat preservation and insulation ceramic cup comprises a heat insulation shell, first heat insulation cotton is arranged on the inner wall of the heat insulation shell, a ceramic cup is arranged on the inner wall of the first heat insulation cotton, and a cup cover is connected to an opening of the heat insulation shell in a clamped mode. The first heat insulation cotton is arranged between the ceramic cup and the heat insulation shell, the heat insulation function is achieved, the heat insulation layer is arranged in the ceramic cup, heat insulation is further conducted on the ceramic cup, the ceramic cup is provided with the cup cover, the embedded block is arranged in the cup cover, and the second heat insulation cotton is arranged in the embedded block. When hot air in the ceramic cup rises, heat preservation is conducted through the second heat insulation cotton, then the heat preservation effect is achieved on the periphery and an outlet of the ceramic cup, a vent hole is formed in the cup cover, the situation that the ceramic cup bursts due to the fact that a large amount of hot air cannot be dissipated is avoided, and after some hot air is dissipated, the vent hole is blocked through a sealing plug, and the situation that the hot air is completely dissipated is avoided. And the sealing plug can be clamped in the circular groove when the vent hole is opened, so that the smaller sealing plug is prevented from being lost.
Owner:HENAN YAOSHEN CULTURE COMM CO LTD
Method for solving interface failure of resistance spot-welded joint of 980MPa-grade galvanized complex-phase steel plate
PendingCN119304330Aimprove performancepure ingredientsResistance welding apparatusElectrical resistance and conductanceSpot welding
The invention relates to a method for solving interface failure of a resistance spot-welded joint of a 980MPa-grade galvanized complex-phase steel plate. The method comprises the following steps: determining preheating current and preheating time according to the plate thickness of a welding sample; determining the number of welding pulses and the single-pulse welding time according to the plate thickness of the welding sample; according to the plate thickness of the welding sample, the cooling interval time of preheating pulse and welding pulse and the welding pulse interval time are determined; determining welding pressure according to the steel plate thickness of the welding sample; and determining the dwell time according to the plate thickness of the welding sample. The method has the advantages that the pulse form with ultra-large preheating current and small preheating time is used, the content of a zinc layer in a weld nugget is greatly reduced, then the multi-pulse interval time is determined according to the plate thickness of a welding sample, the cooling interval time between welding pulses is long, and the welding precision is high. The method aims at providing sufficient time to enable nugget structures to tend to be relatively stable after a previous welding pulse is finished, and a next pulse is applied when the temperature of a welding spot is close to the normal temperature state, so that the nugget is further increased.
Owner:BENGANG STEEL PLATES CO LTD
Thermal insulation, heating and heat storage electrical cabinet for extremely cold region and control method thereof
PendingCN119154126Athermal insulationavoid failureSubstation/switching arrangement cooling/ventilationSubstation/switching arrangement casingsTemperature controlThermal insulation
The invention provides a heat preservation, heating and heat storage electrical cabinet for an extremely cold region and a control method thereof, and relates to the technical field of electrical cabinets, the electrical cabinet comprises a cabinet body, a liquid storage tank, a heat storage tank, a circulation pipeline and a controller, the controller controls a first circulation loop to be communicated according to the temperature of heat conduction oil in the liquid storage tank, and the heat conduction oil in the liquid storage tank is sucked to a heat exchange pipe; heating the phase change material; and when the temperature in the cabinet body is lower than a second set temperature, the second circulation loop is controlled to be communicated, and the heat conduction oil heated by the phase change material is sucked into the heat exchanger to heat the interior of the cabinet body. The solar thermal collector has the beneficial effects that the heat conduction oil is heated by the solar thermal collector in the daytime, the phase-change material is heated through the heat conduction oil, and the phase-change material stores heat; at night, the phase change materials release heat in a phase change mode to heat the heat conduction oil and heat the interior of the cabinet body, so that the interior of the cabinet body has a long-time heat preservation effect, electrical elements are prevented from being out of order or breaking down in a low-temperature environment, and energy consumption is effectively reduced.
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD +1
Bowl-type uncongealed bean curd steaming machine
The utility model relates to the technical field of food processing machinery, in particular to a bowl-steamed uncongealed beancurd machine which comprises a box body, a front box door is hinged and fixed to the opening side of the box body, a water storage tank is arranged at the bottom in an inner cavity of the box body, an electric heating module is installed in the water storage tank, a supporting bottom frame is placed in the electric heating module, and the supporting bottom frame is connected with the box body. Two sets of supporting strips are symmetrically formed on the inner wall of the box body, each set of supporting strips are arranged at equal intervals, and a plurality of containing layer plates which are sequentially placed on the supporting bottom frame and the supporting strips are placed in the box body. The uncongealed beancurd machine has the beneficial effects that the fetching box door is arranged on the front box door, so that when steamed uncongealed beancurd is taken out, only the small window is opened, the loss of heat in the machine is reduced, and the heat preservation time is prolonged; the placing laminates for placing the uncongealed beancurd bowls are designed in a split mode, the size of a single laminate is reduced, the idle placing laminates can be directly taken out when the uncongealed beancurd bowls are taken out, taking out of other uncongealed beancurd bowls is not affected, and use is convenient.
Owner:马东红
Internal circulation pressure maintaining rotary oil cylinder
The internal circulation pressure maintaining rotary oil cylinder comprises a piston pull pipe, a cylinder body is installed outside the piston pull pipe, a cover shell is installed at the rear end of the cylinder body, a backflow cavity is formed in the front end of the cylinder body, and a third installation groove opposite to a second installation groove is formed in the side wall of the other side of the backflow cavity; a valve is mounted in the third mounting groove and is mounted on the oil through hole; the valve is provided with a valve body, the valve body is installed in the third installation groove, a penetrating hole penetrating through the valve body is formed in the center of the valve body, a valve rod is arranged on the side, close to the oil inlet part, of the backflow cavity, one end of the valve rod penetrates through the second installation groove and is inserted into the first installation groove, and the other end of the valve rod is inserted into the penetrating hole. The bottom face of the end, close to the first steel ball, of the valve rod sinks inwards to form a spring clamping groove. The problem that when the hydraulic pressure in the oil cylinder is too large, the bearing limit of the oil cylinder and accessories (such as sealing pieces and pipelines) of the oil cylinder is possibly exceeded, and consequently the parts are damaged or invalid is solved.
Owner:NINGBO JINGONG TECH CO LTD
A self-priming sealed heat-insulating cover
ActiveCN112107207Breduce heat exchangeReasonable structural designDomestic vesselsDrinking vesselsHeat conservationInhalation chamber
The present invention discloses a self-inhalation sealed heat-insulating cover, comprising an outer cover and an inner cover which are press-fitted, a mounting hole being provided in the middle of the inner cover, an inner plug being fixedly mounted in the mounting hole, a concave cavity being provided in the middle of the inner plug, a sealed cavity being formed between the concave cavity and the outer cover, an automatic air-inhalation sealing mechanism being installed in the concave cavity, the sealing mechanism comprising an air-inhalation chamber surrounded by a shell and arranged in the concave cavity, the air-inhalation chamber being separated from the sealed chamber as an independent chamber, an air inlet of the air-inhalation chamber being located on the side wall of the inner plug at a corresponding position thereof, an air-permeable hole and a fixing hole for fixing a sealing gasket being provided on the bottom end surface of the air-permeable chamber, a disc-shaped sealing gasket for sealing the air-permeable hole being fixedly installed in the fixing hole. The present invention changes the structure of the traditional cover body, and through the structure of the sealed cavity in the inner plug, the heat exchange between the cup body and the outside air can be reduced, thereby prolonging the heat-insulating time, and at the same time, when the heat is dissipated to the point where the air pressure in the cup is lower than the outside pressure, it is convenient to open.
Owner:HEFEI QIFANLIANGPIN NETWORK TECH CO LTD
A method for using a mask machine for producing masks without ear hanging ropes
ActiveCN112278935BCompact designsmall footprintArticle deliveryProtective garmentStructural engineeringConveyor belt
The present invention discloses a mask machine for producing earless hanging rope masks and a method for using the same. The material rack is an inverted T-shaped frame structure arranged vertically and horizontally, and a workbench is provided in the middle thereof; four face cloth unwinding assemblies are respectively provided on the left and right sides directly above the workbench, and a first adjustable tension feeding rack is respectively provided on one side of the face cloth unwinding assembly, and the fabric is fed through the first adjustable tension feeding rack and assembled on the second adjustable tension feeding rack; a left cover body welding assembly, a right cover body welding assembly and an edge sealing welding assembly are provided in a T-shape directly above the workbench, and a mask cutting and forming assembly is provided on one side of the edge sealing welding assembly, and a conveyor belt is provided on one side of the mask cutting and forming assembly; after two groups of four layers of fabric are welded respectively, the edge sealing welding assembly is used for edge sealing and welding, and then the mask cutting and forming assembly is used for cutting and forming, and the fabric is conveyed by the conveyor belt. The overall structure of the present invention adopts a T-shaped structural design and a U-shaped transmission design, so that the traction force is symmetrical and it is not easy to form a phase difference.
Owner:NANTONG SAIYANG ELECTRONICS CO LTD
Oval wine box forming rotating disc type assembly line
ActiveCN222475439ULong holding timeGuaranteed reliabilityBox making operationsPaper-makingElectric machineryAssembly line
The utility model discloses an oval wine box forming rotating disc type assembly line which comprises a round rotating disc, a pressure maintaining assembly is arranged at the top end of the round rotating disc, a rotating assembly is arranged at the bottom end of the round rotating disc and comprises a rotating piece and a driving piece, the rotating piece comprises a rotating column, the driving piece is arranged on one side of the rotating column, and a base is arranged at the bottom end of the rotating column. The top end of the rotating column is fixedly connected with the bottom end of the circular turntable, the outer wall of the bottom of the rotating column is sleeved with a bearing, and the bottom end of the bearing is fixedly connected with the top end of the base; by means of the design of the pressure maintaining assemblies, the base and the rotating assembly, rotation of the rotating column can be controlled by controlling starting and stopping of the driving motor, so that the rotating column can drive the multiple pressure maintaining assemblies at the top end of the circular rotating disc to rotate, the circular rotating disc does not need to be manually rotated, and manpower is greatly saved; meanwhile, the multiple pressure maintaining assemblies can prolong the pressure maintaining time of the wine box, and the sealing reliability of the wine box is guaranteed.
Owner:INT PAPER SHOREWOOD PACKAGING GUANGZHOU
An integrated negative pressure adsorption colon enema catheter, system and separation method
The application discloses an integrated negative pressure adsorption colon enema catheter and belongs to the technical field of medical devices.The catheter body is internally provided with a main channel and a negative pressure channel which are parallel to each other and axially penetrate through.The main channel and the negative pressure channel are independent of each other and are not communicated with each other.A plurality of side holes which are communicated with the main channel are arranged on the distal end tube wall of the catheter body.An integrated longitudinal adsorption ridge is arranged on the outer wall of the catheter body in an axial direction and is spaced apart from each other.The side of the longitudinal adsorption ridge which is away from the center of the catheter body is provided with a central recessed area.The bottom surface of the central recessed area is axially provided with a plurality of negative pressure holes which are communicated with the negative pressure channel.A sponge core is embedded in the central recessed area.The technical scheme provided by the application can provide a colon deep enema catheter system which has strong adsorption force, good sealing performance, firm component anti-dropping performance, full non-invasive performance and safe withdrawal performance.
Owner:BEIJING FANCHENG MEDICAL TECHNOLOGY CO LTD +1
Mannitol constant temperature device
ActiveCN222560267Ureduce weighteasy to carryStorage heatersPharmaceutical containersApparatus instrumentsMannitol
The utility model discloses a mannitol constant temperature device, which relates to the technical field of medical instruments and comprises a heating main machine, a storage box and a hole plug assembly. A box groove is formed in the upper end of the heating host, multiple hot air pipes are arranged at the bottom of the box groove, and side holes are formed in the side faces of the hot air pipes; the storage box is arranged in the box groove, a plurality of medicine bottle grooves are formed in the storage box, and a bottom hole for inserting a hot air pipe is formed in the bottom of each medicine bottle groove; the hole plug assembly is arranged on the bottom hole, and when the storage box is taken out of the box groove, the hole plug assembly blocks the bottom hole. Wherein the hole plug assembly comprises a sliding rod, a spring and a plug block, the hot air pipe can upwards act on the plug block to be inserted into the medicine bottle groove, and the plug block plugs the bottom hole under the action of the spring after the hot air pipe is separated. The mannitol constant temperature device is convenient to use, and the storage box used for containing mannitol is convenient to carry.
Owner:玉林市第一人民医院
A cable for use in a cryogenic environment
ActiveCN121281910BConvenient bindingImprove stress resistanceInsulated cablesInsulated conductorsParaffin waxHeat conservation
The application relates to the cable technical field, in particular to a cable used in a low-temperature environment, which comprises a center cable, a plurality of integrated cables arranged around the center cable, and a plurality of restraining members, the number of the restraining members is the same as that of the integrated cables, the length direction of two adjacent integrated cables is limited by one restraining member, and the plurality of restraining members limit the plurality of integrated cables to be an integral annular layer in the annular direction. After accepting the external temperature, the aluminum foil film of the capsule-shaped space is rapidly heated, at which time the aluminum foil film melts the paraffin particles in the interior, so that the paraffin particles are melted, the paraffin has excellent heat preservation effect as a heat accumulator, can better preserve the temperature, so that the outer sheath can be kept at a suitable temperature, which is beneficial to protecting the outer sheath used in the low-temperature environment and can improve the service life of the outer sheath, and then the outer sheath can reversely preserve the temperature of the external adjusting sleeve, increase the temperature preservation time of the external adjusting sleeve, and reduce the frequency of external heat supply.
Owner:HUIZHOU HONGYA ELECTRONICS CO LTD
A shield machine segment posture adjustment device
ActiveCN113833502BEasy to adjustLong holding timeUnderground chambersTunnel liningClassical mechanicsControl theory
The invention discloses a shield machine segment posture adjustment device, including a yoke, a fine-tuning device and a vacuum suction cup, a connecting shaft, a spherical bearing, a connecting device, a first fine-tuning oil cylinder, a second fine-tuning oil cylinder, a third fine-tuning oil cylinder and a fourth fine-tuning oil cylinder. The yoke is a closed box-shaped structure, the left end of which is connected to the left lifting oil cylinder of the segment assembly machine, the right side is connected to the lower end of the fine-tuning device, the upper end of the fine-tuning device is connected to the right lifting oil cylinder of the segment assembly machine, the connecting shaft is arranged on the yoke, and the yoke is connected to the vacuum suction cup; the connecting device is placed on the upper part of the yoke, the first fine-tuning oil cylinder and the second fine-tuning oil cylinder barrel ends are connected to the two ends of the connecting device, and the cylinder rod end is connected to the vacuum suction cup; the cylinder barrel of the third fine-tuning oil cylinder is connected to the upper connecting seat of the yoke, and the cylinder rod end is connected to the vacuum suction cup; the cylinder barrel end of the fourth fine-tuning oil cylinder is connected to the front connecting seat of the yoke, and the cylinder rod end is connected to the cylinder barrel connecting seat of the third fine-tuning oil cylinder. The invention has a simple structure and improves the efficiency of segment assembly operation.
Owner:JINAN HEAVY MACHINERY JOINT STOCK
High-strength plant cellulose-based composite paperboard and preparation method thereof
ActiveCN121951973Afull rearrangementguarantee normal performanceFlexible coversMechanical working/deformationPlant fibreNanoparticle
The invention discloses a high-strength plant cellulose-based composite paperboard and a preparation method thereof, belongs to the technical field of paperboard materials, and aims to solve the technical problem that the strength and wet strength retention rate of a plant fiber-based composite paperboard in the prior art need to be further improved. The composite plant fiber layer is composed of a plant fiber layer and interface layers arranged on the two sides of the plant fiber layer in a modifying mode. A plant fiber layer is prepared through CMC modified plant cellulose, a PEG modified inorganic reinforcing agent and a bio-based toughening agent reinforced plant fiber, a composite structure of an interface layer, a fiber layer and an interface layer is formed by arranging a double-interface layer containing lignin nano particles / carboxylated nano cellulose, and a hot-pressing curing process is combined, so that the lignin / carboxylated nano cellulose composite fiber is prepared. The strength and toughness of the plant fiber-based composite paperboard are effectively improved, and the wet strength retention rate of the material is also effectively improved.
Owner:ANHUI PROVINCE XIAO COUNTRY LINPING PAPER CO LTD
Steam circulation system for steam oven and control method
PendingCN119257462Aspeed up the cyclequality improvementRoasters/grillsTemperature controlWater vapor
The invention provides a steam circulation system for a steam oven and a control method, and the steam circulation system comprises a steam generation module which is used for generating high-pressure superheated steam; the steam circulation module is used for heating the high-pressure superheated steam, conveying the high-pressure superheated steam to all parts in the oven and conveying the steam after heat release back to the steam generation module; the state detection module is used for detecting the water vapor state in the steam generation module and the steam circulation module to obtain detection data; the temperature control module is used for controlling the temperature in the oven in the heating and heat preservation states of the steam oven according to the detection data; and the steam control module is used for controlling the generation amount of the high-pressure superheated steam according to the detection data. The energy efficiency of the steam oven is improved, meanwhile, energy consumption is reduced, energy loss is reduced, cyclic utilization of superheated steam is completed, the steaming and baking efficiency and quality are improved, and the steaming and baking cost is reduced.
Owner:HENGTAI WEIYE HEBEI KITCHEN EQUIP CO LTD
PET thermos bottle and preparation process thereof
PendingCN121845442Alow priceLong holding timeNon-pressured vesselsThermally-insulated vesselsPolymer scienceInsulation layer
The invention provides a PET thermos bottle which is of a double-layer hollow PET bottle structure, aerogel is arranged in the double-layer hollow structure to serve as a heat insulation layer, the hollow structure is vacuumized to be semi-vacuum, the aerogel layer is tightly clamped by the inner bottle wall and the outer bottle wall, the aerogel is not loosened, and the better heat preservation effect is achieved. According to the invention, the double-layer PET and the aerogel are combined, so that the thermos bottle is very light and low in price; the heat preservation time of cold drinks or hot drinks is longer, and the heat preservation effect is better than that of a stainless steel thermos bottle; and the bottle body is light, so that the carrying capacity is more.
Owner:SUZHOU ANHUI SAIERWODE INTERNET OF THINGS TECH CO LTD
Intelligent control method and system for injection molding of plastic mold
InactiveCN121871058AReduce injection speedReduce injection pressureControl engineeringProcess engineering
The invention relates to the technical field of plastic mold injection molding intelligent control, in particular to a plastic mold injection molding intelligent control method and system, and the method comprises the following steps: obtaining parameter information in an injection molding production process; monitoring the parameter information, and identifying continuous one-way drift or abnormal fluctuation in the parameter information; based on the parameter information and the continuous one-way drifting or abnormal fluctuation, judging the source of the continuous one-way drifting or abnormal fluctuation; and according to the judgment result, a control strategy of the production process is adjusted, and when the source is physical wear of the mold, the injection speed and the injection pressure are reduced, and the pressure maintaining pressure is increased or the pressure maintaining time is prolonged. Parameter abnormity caused by physical abrasion of the mold in the injection molding production process can be effectively recognized, the control strategy is adjusted in a targeted mode, the service life of the mold is effectively prolonged, the product percent of pass is increased, and the production cost is reduced.
Owner:HUIZHOU YUKE TECH CO LTD
High-vacuum double-layer heating and heat preservation transportation tank of insulator washing vehicle under extremely cold working condition
ActiveCN222523340UImprove insulation effectreduce lossTank vehiclesLarge containersInsulation layerThermal insulation
The utility model discloses a high-vacuum double-layer heating and heat-preservation transportation tank of an insulator washing vehicle under an extremely cold working condition. The high-vacuum double-layer heating and heat-preservation transportation tank specifically comprises a tank body and a water inlet and drainage system, the tank body comprises an outer tank layer, an outer tank heat preservation layer, an inner tank heat preservation layer and an inner tank layer which are sequentially arranged from outside to inside, and a vacuum layer is arranged between the outer tank heat preservation layer and the inner tank heat preservation layer. A manhole is formed in the middle lower part of the right side of each inner partition plate, and an airflow hole and a water flow hole are respectively formed in the top and the bottom of each inner partition plate; a heater is mounted in an interlayer formed by the inner partition plates, and whether the heater heats or not is controlled through a control unit; the water inlet and drainage system comprises a water inlet pipe, a water outlet pipe, a water return pipe and a high-pressure water pipe. According to the utility model, the thermal insulation performance of the tank body is effectively improved, and the heat loss is reduced; it is guaranteed that the temperature of the flushing water is always within the temperature range suitable for insulator flushing, and the problem that the temperature of the flushing water is reduced when a flushing vehicle works for a long time under the extremely cold working condition is solved.
Owner:SOUTHWEST JIAOTONG UNIV
A corrosion-resistant coating on the surface of an impeller
ActiveCN118685110BHigh bonding strengthImprove thermal stabilityAnti-corrosive paintsMetallic material coating processesCyclohexanoneCeramic coating
The invention discloses a corrosion-resistant coating on the surface of an impeller, and relates to the technical field of coating materials. The invention discloses a corrosion-resistant coating on the surface of an impeller, comprising a bonding layer coated on the surface of the impeller, and a nickel-based tungsten carbide ceramic coating arranged on the surface of the bonding layer; the bonding layer is obtained by mixing a modifier, triolein, anhydrous ethanol, glycerol, di-n-octyl phthalate, and cyclohexanone and then brushing the mixture on the surface of a metal substrate; the application prepares a bonding layer between the ceramic coating and the metal substrate, which not only improves the bonding strength between the ceramic coating and the metal substrate, but also effectively eliminates the thermal stress generated by the mismatch of the expansion coefficient between the metal substrate and the ceramic coating, thereby achieving a toughening effect and improving the thermal shock resistance and life of the material.
Owner:INNER MONGOLIA BREGTON PUMP CO LTD
Feeding rack capable of preserving heat of steel billets
ActiveCN222528324UIncreased hot charge ratereduce lossCharge manipulationStructural engineeringProcess engineering
Owner:SHANXI XINTAI FUAN NEW MATERIALS CO LTD
Portable cold closet convenient to move
ActiveCN222523296UImprove insulation effectImprove shock absorptionLighting and heating apparatusDomestic cooling apparatusCool storageHeat conservation
The utility model discloses a portable cold closet convenient to move, and belongs to the technical field of cold storage and heat preservation. The cold closet comprises a cover, an inner box and a shell, a double-layer design is adopted, an air layer is formed between the shell and the inner box, and good heat preservation and shock absorption effects are provided. The bottom of the inner box is provided with water-permeable holes to ensure that the inside of the box is kept dry and prevent articles from being damped. Partition plates are arranged in the inner box and divide the inner box into four independent storage grids, the partition plates are of a double-layer structure, ice bags can be placed in the partition plates, and the refrigeration effect is further improved. According to the overall design, the heat preservation performance and the use flexibility of the refrigerating box are improved, the refrigerating box is suitable for outdoor activities and long journeys, and an efficient, reliable and low-maintenance refrigerating solution is provided.
Owner:王伟
A 2GPa-grade hydrogen embrittlement-resistant hot-formed steel containing NbVTiMo composite precipitates, its preparation method, and its application.
This invention belongs to the field of alloy forming technology and discloses a 2GPa-grade hydrogen embrittlement-resistant hot-formed steel containing NbVTiMo composite precipitates, its preparation method, and its applications. Through the synergistic proportioning of Nb, V, Ti, and Mo quaternary microalloys, a NbVTiMo composite nano-precipitate with high thermal stability and good interfacial bonding is formed. Compared with traditional single / low-element microalloy precipitates, this composite precipitate can act as a highly efficient hydrogen trap, significantly improving the hydrogen atom capture ability, effectively inhibiting hydrogen enrichment at grain boundaries and defects, improving the hydrogen embrittlement resistance of hot-formed steel, and reducing the risk of hydrogen-induced cracking and delayed fracture. Simultaneously, extending the coiling holding time promotes the full nucleation and dispersed distribution of the precipitates; shortening the austenitizing holding time avoids excessive dissolution and coarsening of the precipitates, maintaining the nanoscale of the precipitates, and achieving a fine and dense distribution of the precipitates, thus balancing hydrogen embrittlement resistance with the strength and toughness of the steel.
Owner:UNIV OF SCI & TECH BEIJING +1
Intelligent low-carbon energy-saving piglet incubator based on photovoltaic power supply
ActiveCN116034891Buse energy savingReduce electricity consumptionBatteries circuit arrangementsThermometers using electric/magnetic elementsTemperature controlInsulator (electricity)
The present invention discloses an intelligent low-carbon and energy-saving piglet incubator based on photovoltaic power supply, including an incubator body, a box cover is arranged on the top of the incubator body, an insulation board is arranged at the bottom of the inner cavity of the incubator body, an entrance is opened in the middle of the front side wall of the incubator body, an infrared sensor is installed on the front inner wall of the incubator body above the entrance, and a temperature controller is installed on the side wall of the incubator body. The present invention can achieve the purpose of reducing the power consumption of the insulation board by setting a constant temperature zone and a heating zone, so that the piglet incubator is more energy-efficient to use; by setting a temperature sensor and a temperature controller, the temperature of the heating zone can be adjusted to the most suitable temperature for the growth of piglets, and intelligent heat preservation can be adjusted according to the age of the piglets; by setting a photovoltaic module and an energy storage battery, the photovoltaic power supply function of the piglet incubator can be realized, the power consumption of the mains electricity can be reduced, and the piglet incubator is more green and environmentally friendly.
Owner:JIANGSU ACAD OF AGRI SCI
Portable specimen cold storage transfer box capable of promoting temperature balance
ActiveCN222453179UUniform temperatureIncrease cooling areaLighting and heating apparatusDomestic cooling apparatusCool storageHeat conservation
The utility model discloses a portable specimen cold storage transfer box that promotes temperature balance, including box body, box cover, lock catch and handle, box cover one side with box body hinge joint, the other side with box body through lock catch detachable connection, its inside forms the storage chamber, the handle is provided in the box cover top, the support is placed in the storage chamber, the support includes side plate and bottom plate, and the bottom plate is provided with the side plate. The four side plates form a rectangular structure, the connecting positions extend outwards to form extending sections and make contact with the inner wall of the storage cavity, rectangular holes are formed in the lower portions of the side plates, sliding rods and springs are vertically arranged in the rectangular holes, the sliding rods are slidably sleeved with supporting plates extending towards the inner sides and the outer sides of the side plates, and the bottom plate is placed on the supporting plates on the inner sides of the side plates. The gaps are formed between the four side walls and the bottom of the support and the inner wall of the storage cavity, ice blocks can be placed on the periphery of the box body, the refrigeration area is effectively increased, the heat preservation time is prolonged, the temperature in the box body is balanced, taking and placing are convenient, the ice blocks can be increased or decreased according to the needed temperature requirement, and safe and scientific transfer of specimens in a hospital is facilitated.
Owner:AFFILIATED HOSPITAL OF HENAN ACAD OF TRADITIONAL CHINESE MEDICINE
Disposable batch cell preparation transport case
ActiveCN222497073UReduce the temperatureReduced activityLighting and heating apparatusDomestic cooling apparatusCell activityMechanical engineering
In order to solve the problem that cell viability is affected by too high or too low temperature in the cell preparation transportation process, the utility model provides a disposable batch cell preparation transportation box which comprises an outer box, the outer box is a shell with an opening in the upper end, a containing groove is formed in the outer box, and inner box clamping grooves are formed in the upper portions of the inner walls of the two opposite sides of the containing groove; the inner box is clamped in the outer box through an inner box clamping groove, an ice block containing cavity is formed between the lower portion of the inner box and the bottom of the containing groove in a spaced mode, multiple sets of cell preparation containing grooves which are evenly distributed at intervals are formed in the inner box, and multiple sets of heat dissipation holes communicated with the ice block containing cavity are formed in the cell preparation containing grooves; the box cover is clamped to the upper end of the outer box, the lower end face of the box cover is flush with the upper end face of the inner box, heat exchange is conducted through heat dissipation holes in the inner box and communicating cavities in the front side and the rear side of the inner box and the ice block containing cavity, the heat transfer speed is effectively controlled, and the condition that the temperature of the cell preparation is too low is prevented.
Owner:SHANDONG YIYUAN PLURIPOTENT STEM CELL BIOENGINEERING CO LTD
A heat treatment process for low alloy steel castings
ActiveCN116590501BOrganizational transformation is sufficienthigh strengthHeat treatment process controlProcess efficiency improvementTemperingSteel casting
The application discloses a heat treatment process of low-alloy steel castings, and the heat treatment process of the low-alloy steel castings controls the chemical element content of the low-alloy steel castings reasonably, so that the strength of the steel castings is higher; the heating temperature in the heat treatment process is appropriately increased, and the holding time is prolonged, so that the structure transformation of the steel is sufficient, and the mechanical performance and the impact toughness are effectively improved. The heat treatment process adopts a process flow of preheating + normalizing + tempering + quenching + annealing, and compared with a traditional heat treatment process, the heat treatment process has the advantages that the grains are further refined and uniform, the grain size is maximally increased, and good structure conditions are prepared for subsequent heat treatment.
Owner:SHANDONG ZHENGFANG HETAI INTELLIGENT DRIVE MASCH CO LTD
Valve assembly, container closure assembly and thermally insulated container
The present disclosure provides a valve assembly, a container cover assembly and a thermal container, the valve assembly is used for being installed on a container cover, the container cover has a water outlet channel, the valve assembly comprises a valve rod and a valve body connected with a first end of the valve rod, the valve body is a hollow structure with a sealing cavity, the valve rod is used for being connected with the container cover, and the valve body is used for sealing or opening the water outlet channel. The valve body is connected with the container cover, the water outlet channel can be selectively opened, the soup water in the thermal container is convenient to use, and the convenience of using the thermal container is improved. Further, the valve body is arranged as a hollow structure with a sealing cavity, the heat conduction performance of the valve body is reduced, the heat conduction speed is reduced, the heat of boiled water is not easy to be dissipated to the outside through the valve assembly, the temperature of the boiled water in the containing cavity is not easy to be reduced, the heat preservation time of the boiled water is prolonged, and the heat preservation performance of the thermal container is improved.
Owner:WUHAN SUPOR COOKWARE
A material head for a high pressure liquid nitrogen freezer
PendingCN122708471AAchieve bilateral symmetrical coolingSolve the problem of uneven freezing
The application discloses a material head for a high-pressure liquid nitrogen freezer and relates to the technical field of low-temperature freezing equipment.The material head comprises a material head upper sheet, a material head middle sheet and a material head lower sheet which are stacked in sequence from top to bottom and jointly form a cylindrical material head, an outer coaxial ring is arranged on the material head, and a rubber ring is arranged on the coaxial ring; the material head upper sheet is provided with a first air inlet and a first air outlet and is connected through a first air path, a second air path and a first air cavity; the material head lower sheet is provided with a second air inlet and a second air outlet and is connected through a third air path, a fourth air path and a second air cavity; and the material head middle sheet is provided with a sample cavity in which a sample box and biological samples are placed. Through the arrangement of the upper and lower double air inlet channels, bilateral synchronous cooling is realized, the freezing uniformity is good, the coaxial ring is attached to the cavity wall to form a small-volume sealed space, the pressure building time is short, the pressure maintaining time is long, and the high-pressure freezing sample preparation efficiency and sample preservation quality are effectively improved.
Owner:HUAIAN XUCHANG ZHIYAN TECHNOLOGY CO LTD
Diaphragm spring, tempering process of diaphragm spring, clutch pressure plate assembly and assembling method of clutch pressure plate assembly
PendingCN119120873AIncrease the holding temperatureLong holding timeAssembly machinesFriction clutchesProduction lineTempering
The invention provides a diaphragm spring and a tempering process thereof, a clutch pressure plate assembly and an assembling method thereof, and the tempering process of the diaphragm spring comprises the following steps: S1, establishing a diaphragm spring tempering process production line to meet compliance operation; s2, material supplies needed by the diaphragm spring tempering process are laid and prepared, and the material supplies comprise a starting switch, temperature detection equipment and timing equipment; and S3, the tempering process is started through a starting switch, the heat preservation temperature is controlled to range from 200 DEG C to 230 DEG C through temperature detection equipment and timing equipment, and the heat preservation time ranges from 100 min to 130 min till tempering is finished. The tempering process and the diaphragm spring manufactured through the tempering process have the following technical effects that the material thickness does not need to be increased, the problem that in the prior art, the material thickness needs to be increased is solved, meanwhile, production efficiency is improved, and cost is reduced; and the operation is simple and convenient, and the use is flexible.
Owner:HUBEI TRI RING CLUTCH
Preparation method of in-situ endogenous multiphase particle reinforced aluminum-based composite material
The invention discloses a preparation method of an in-situ endogenous multiphase particle reinforced aluminum-based composite material, and belongs to the field of metal-based composite materials. The aluminum-based composite material is characterized in that in-situ generated nano Al2O3 particles and micron (Al, Si, Ti) ternary intermetallic compound particles are uniformly distributed on an aluminum-silicon alloy matrix; the preparation method comprises the following steps: carrying out variable-speed ball milling on raw materials in an argon environment, pressing in a cold / hot isostatic press to obtain a prefabricated blank, sintering the prefabricated blank, and carrying out hot extrusion to obtain the Al2O3 and (Al, Si and Ti) ternary intermetallic compound multiphase reinforced aluminum alloy-based composite material. According to the aluminum-based composite material provided by the invention, nano Al2O3 and micron (Al, Si and Ti) ternary intermetallic compound particles are well combined with a matrix interface, and the strength, modulus and wear resistance of the material are improved through the cooperation of the two micro-nano particles.
Owner:KUNMING UNIV OF SCI & TECH