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672 results about "Cold weather" patented technology

Variable temperature lawn chair device

A variable temperature lawn chair device is disclosed that has the ability to warm or cool its occupant. The variable temperature lawn chair device comprises a body component that comprises a seating area, a backrest, and a plurality of legs. The seating area and backrest comprise a plurality of pockets which house refrigerated or frozen gel packs. The gel packs help keep the user cool without making the chair device uncomfortable to sit on. Further, the device also comprises a battery-powered heating element to provide warmth to the user. Thus, during cold weather, the heating element can be activated to elevate the chair device's temperature and keep the user warm. Accordingly, the chair device's temperature can be regulated to maintain comfort when sitting outdoors.
Owner:NUNCIO GREGORY

Shower head faucet without water storage

PendingCN119617145Asolve the hourglassprevent frost crackingDomestic plumbingMultiple way valvesWater leakageBathroom Equipment
The invention relates to the technical field of bathroom equipment, and particularly discloses a water-storage-free shower head faucet which comprises a shower body, a lower water outlet valve element, a top-spraying water outlet valve element and a shower head water outlet valve element are installed on the shower body and communicate with a lower water outlet head, a top-spraying water outlet head and a shower head water outlet head correspondingly, and the shower head water outlet valve element communicates with the top-spraying water outlet valve element and the shower head water outlet valve element. The lower water outlet valve element, the top spraying water outlet valve element and the shower head water outlet valve element are all communicated with the temperature adjusting water mixing valve element, a drainage channel communicated with the lower water outlet head is arranged in the shower body, and drainage openings are formed in the top spraying water outlet valve element and the shower head water outlet valve element. Residual water in the top spraying water outlet head and the shower head water outlet head can be sequentially drained through the water drainage opening, the water drainage channel and the lower water outlet head under the action of gravity and the constant suction principle, so that no residual water exists in a pipeline, the problem of residual water leakage is solved, a shower pipe and a shower head pipe are prevented from being frozen to crack in cold weather, and the phenomenon that when a user opens a shower faucet, the shower head is damaged is avoided. Cold water comes out for a long time.
Owner:黄机群

Low-temperature-resistant hydrolysis-resistant polyurethane protector material and preparation method thereof

PendingCN120173199APolymer sciencePtru catalyst
The invention discloses a low-temperature-resistant hydrolysis-resistant polyurethane protector material and a preparation method thereof. The low-temperature-resistant hydrolysis-resistant polyurethane protector material is prepared from a component A and a component B through cross-linking and curing, wherein the component A is prepared from polyether polyol, bifunctional hydroxyl-terminated polysiloxane, modified polyborosiloxane, a cross-linking agent, a chain extender, a foaming agent, a foam stabilizer, a catalyst and a pore opening agent, and the component B is isocyanate. The protective clothing prepared from the material has excellent buffer energy absorption performance, low temperature resistance and hydrolysis resistance, and meets the use requirements in extremely cold weather.
Owner:WANHUA CHEM BEIJING

Anti-leakage natural gas anti-freezing valve

The anti-leakage natural gas anti-freezing valve comprises a valve pipe, a base, a heating box and a heating mechanism, the heating box is installed on the top of the base and located below the valve pipe, and a valve rod is installed in the middle of the top face of the valve pipe; the heating mechanisms are symmetrically installed on the valve pipe, each heating mechanism comprises an upper heating plate, a lower heating plate, a liquid return ring, a liquid guide ring, an upper guide plate and a lower guide plate, the upper heating plates and the lower heating plates are both of an arc-shaped structure and are alternately installed on the surface of the valve pipe, and the liquid return rings are installed at the ends of the valve pipe and are connected with the upper heating plates and the lower heating plates correspondingly; the liquid guide ring is installed on the top of the valve pipe and arranged on the valve rod in a sleeving mode, and the two sides of the liquid guide ring are connected with the upper guide plate. The heating box is arranged below the valve pipe, the heating liquid circulates in the heating box and is heated, the heated liquid is led out through the pump machine, the heating mechanism is installed on the valve pipe, the heating liquid circulates in the heating mechanism, the temperature of the valve pipe, the valve element and the valve rod can be increased, and the problem that the valve is frozen in cold weather is solved.
Owner:SPECIAL VALVE JIANGSU FLUID MASCH MFG CO LTD

A hybrid system for thermal management of battery pack with immersion and phase change techniques

The present invention discloses a system for thermal management of battery packs using a hybrid of immersion and phase change techniques. The system comprises of battery enclosure having a dielectric fluid and battery cells at least partially immersed in the dielectric fluid. A FCS for circulating the dielectric fluid inside the battery enclosure to cool or heat the battery cells. A PCM heat sink attached to the battery enclosure to absorb heat from the dielectric fluid. An EAFS to cool the PCM by blowing cool air over the PCM. An IHS for heating the dielectric fluid during cold weather conditions. A microcontroller / processor to receive inputs from plurality of temperature sensors and accordingly operate the FCS, IHS and EAFS for thermal management of battery pack.
Owner:KAIRUS ENERGIES PTE LTD

Adaptive power management system for fuel cell electric vehicles

Methods for adaptive derating fuel cell electric vehicles (FCEVs) based on battery state of charge (SOC) are provided. The method calculates target battery current based on SOC, measures actual current, determines current error, and implements performance derating. This adaptive approach maintains SOC while preserving drivability, particularly for heavy transport. A vehicle control unit implements feedback control, producing a unitless derate factor between zero and one to modify vehicle performance parameters. The technology addresses challenges in scenarios like a trailer loaded outside predetermined parameters, uphill climbs, highway operation, urban delivery, and cold weather. By adaptively adjusting performance based on real-time measurements, the method optimizes power management, prevents rapid SOC depletion, and ensures operational capability in adverse conditions.
Owner:HYZON MOTORS USA INC

Portable protective enclosure

A portable protective enclosure for equipment located outside, such as, for example pumps, it preassembled and towable to an in-service position for enclosing the equipment and protecting it from cold weather environments. The enclosure has first and second skids being arranged parallel and spaced to one another defining a space therebetween, the first and second skids having a first end and an opposite second end. The enclosure may further have a building supported on the skids for movement therewith, the building comprising first and second end walls each extending across the skids, first and second side walls one each extending along a length of a respective skid, and a roof spanning the first and second end walls and the first and second side walls, the building being free of a floor.
Owner:KOLISNEK KURTIS

Air humidifier

The utility model discloses an air humidifier which comprises a shell, a filter screen assembly arranged in the shell and provided with a hollow structure, a wind wheel assembly arranged corresponding to the hollow structure, an air outlet grille arranged corresponding to the wind wheel assembly and arranged at the top of the shell, and a water tank assembly arranged in the shell and used for supplying water to the filter screen assembly. And the heating assembly is arranged on the air outlet path behind the filter screen assembly and is used for heating the wetted air. According to the air humidifier, the humidified air can be heated in cold weather, the humidified air is blown out after the temperature of the humidified air is increased, the humidifying efficiency of the humidifier can be improved, meanwhile, the blown air is more warm and moist when the air humidifier is used in cold weather, and the use comfort of the air humidifier is improved.
Owner:SHENZHEN ANTOP TECH

Inductive heating for cold weather charging

An inductive heater assembly for heating a power tool battery pack, the inductive heater assembly comprising a housing, a battery pack interface configured to receive the power tool battery pack, a charging base, a coil portion located within the housing. The coil portion including a first coil winding and a second coil winding configured to generate an electromagnetic field, wherein the first coil winding and the second coil winding to form a Helmholtz coil.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Dust suppression system of car dumper

ActiveCN222630572UIncrease the degree of atomizationreduce moisture contentLoading/unloadingCold weatherAerosolization
The utility model relates to the technical field of dumper dust suppression, in particular to a dumper dust suppression system which comprises a spraying unit, a water supply unit and an air supply unit. The spraying unit is communicated with the water supply unit through a spraying water supply pipe, and the spraying unit is also communicated with the air supply unit through a spraying air supply pipe; heating units are arranged on the spraying water supply pipe and the spraying air supply pipe; water and air are mixed through the water supply unit and the air supply unit and then sprayed out through the spraying unit, the atomization degree of water mist is improved, the direct contact area with dust is increased, meanwhile, the water content of materials can be reduced, the dust suppression effect is achieved, and the dust suppression efficiency is guaranteed; and cold weather can be dealt with, stable dust suppression operation is guaranteed, and the actual dust suppression requirement is met.
Owner:HUADIAN POWER INTERNATIONAL CORPORATION LTD

Shower head faucet without water storage

The utility model relates to the technical field of bathroom equipment, and particularly discloses a water-storage-free shower head faucet which comprises a shower body, and a lower water outlet valve element, a top spraying water outlet valve element and a shower head water outlet valve element are installed on the shower body. The lower water outlet valve element, the top spraying water outlet valve element and the shower head water outlet valve element are communicated with a lower water outlet head, a top spraying water outlet head and a shower head water outlet head respectively, the lower water outlet valve element, the top spraying water outlet valve element and the shower head water outlet valve element are all communicated with the temperature adjusting water mixing valve element, and a drainage channel communicated with the lower water outlet head is arranged in the shower body. The top spraying water outlet valve element and the shower head water outlet valve element are each provided with a water outlet. According to the utility model, residual water in the top spraying water outlet head and the shower head water outlet head can be discharged through the water outlet, the water drainage channel and the lower water outlet head in sequence under the action of gravity and a constant suction principle, so that no residual water exists in a pipeline; the problem of leakage of residual water is solved, the shower pipe and the shower head pipe are prevented from being frozen and cracked in cold weather, and cold water is prevented from being discharged for a long time when a user opens a shower faucet.
Owner:黄机群

Interlocking type ecological slope protection brick and interlocking type ecological slope protection brick assembly

The utility model relates to the field of water conservancy building blocks and ecological landscapes, in particular to a chain type ecological slope protection brick and a chain type ecological slope protection brick assembly. The chain type ecological slope protection brick comprises an I-shaped brick body, the brick body comprises a cuboid-shaped main body part, the positions, close to the end parts, of the two ends of the main body part are perpendicularly and symmetrically provided with embedding parts in an extending mode towards the two sides respectively, and the faces, close to each other, of the two embedding parts on the same side are first slope faces. And an isosceles trapezoid interlocking gap is formed between the two embedding parts on the same side and the main body part. The brick has the advantages that the structural design is simple and reasonable, the brick bodies can be effectively and mutually embedded and laid to form a whole surface, meanwhile, due to the design of the first slope surfaces, the brick bodies can relatively move and be expanded along the first slope surfaces when freezing swelling changes occur in cold weather, freezing swelling force is effectively released, and damage to the brick bodies and the laid whole is avoided.
Owner:臧显民

Automated controlling cold weather hydrant integrated into recreational vehicle parking facility

The invention described herein is a cold weather hydrant that is preferably integrated into the RV Self-Park utility pedestal and smart parking system but which could be used independently of the RV Self-Park system. The cold weather unit includes a standard water line and spigot, commonly used at RV parks and other areas where potable water is desired, and also incorporates a cold weather housing, heating element and central monitoring computer. The system thereby operates without freezing in cold weather settings and also notifies interested parties of system failures in the event that a failure occurs.
Owner:TURNTINE JAMES DEAN

Photocuring hand lay-up resin system for low-temperature environment in winter and preparation method of photocuring hand lay-up resin system

PendingCN120025501AGlass fiberPolymer science
The invention belongs to the technical field of hand lay-up resin systems, and particularly relates to a photocuring hand lay-up resin system for a low-temperature environment in winter and a preparation method of the photocuring hand lay-up resin system for the low-temperature environment in winter, and the photocuring hand lay-up resin system for the low-temperature environment in winter comprises 20-50% of an oligomer and 50-80% of a reactive diluent, the preparation method comprises the following steps: adding the oligomer and the reactive diluent into a planetary stirring kettle in proportion, heating and stirring; and after the oligomer is uniformly dispersed in the reactive diluent, adding the photoinitiator, stirring, cooling to room temperature, adding the pigment, the polymerization inhibitor and the defoaming agent, continuously stirring, cooling and filtering, and in extremely cold weather, the photocurable glass fiber adhesive has the characteristics of low viscosity, fast glass fiber infiltration, high reaction activity and the like, and provides convenience for blade maintenance due to the advantage of photocuring. The winter maintenance efficiency of the wind power blade is improved.
Owner:CHONGQING SHENGKE TESTING TECH CO LTD

Photo-thermal super-hydrophobic anti-icing coating as well as preparation method and application thereof

The invention relates to the technical field of super-hydrophobic anti-icing coatings, and discloses a photo-thermal super-hydrophobic anti-icing coating and a preparation method and application thereof.The photo-thermal super-hydrophobic anti-icing coating is prepared from nanocellulose, MXene, dopamine and octadecylamine, and the mass ratio of nanocellulose to MXene is (0.3-1.7): 1; the mass ratio of the dopamine to the MXene is 1: (0.3 to 1.7). A coating prepared from the photo-thermal super-hydrophobic anti-icing coating has good photo-thermal conversion capacity, has good compatibility with various substrates and can be applied to icing prevention in cold weather.
Owner:SOUTH CHINA NORMAL UNIV +1

Anti-freezing oil-water well casing pressure detection device

The invention discloses an anti-freezing oil-water well casing pressure detection device, and the device comprises a pipeline joint which is disposed at one side of a wellhead large four-way joint of an oil-water well; the pressure detection instrument is arranged on the pipeline joint; the probe is arranged in a loop space formed by a casing pipe and an oil pipe of the oil-water well and is positioned below the anti-freezing layer; the probe is in communication connection with the pressure detection instrument through an armored cable; the guide pipe is of an L-shaped structure arranged outside the armored cable in a sleeving mode, an opening with the two ends communicated is formed in one side of the guide pipe, the horizontal portion of the guide pipe is horizontally located in the pipeline connector, and the vertical portion of the guide pipe is vertically located in an annular space formed by a sleeve of the oil-water well and an oil pipe. According to the invention, the pressure detection probe is located 2 meters below the ground, so that the technical defect that the actual sleeve pressure value cannot be accurately obtained due to freezing of the sleeve space in cold weather is avoided.
Owner:BEIJING ZHUCHUANG TECH CO LTD

Adhesive tape manufacturing and gluing device and using method thereof

The invention discloses an adhesive tape manufacturing gluing device and a using method thereof, and relates to the technical field of adhesive tape manufacturing, the adhesive tape manufacturing gluing device comprises a machine body and a material storage box, the material storage box is installed on the outer side of the top of the machine body through screws, a rotating rod is rotationally installed in the material storage box, and the top end of the rotating rod penetrates and extends to the outer side of the top of the material storage box; an arc-shaped groove is formed in the outer side of the top of the rotating rod. According to the adhesive tape manufacturing and gluing device and the using method thereof, the rotating rod is arranged, the rotating rod is arranged in a groove in the inner side of the top of the storage box in a penetrating mode, then an arc-shaped groove is formed in the outer side of the rotating rod, and then a lifting rod is slidably arranged on the inner side of the arc-shaped groove in a penetrating mode; and the rotating rod can be driven to rotate in the storage box while the lifting rod ascends and descends, at the moment, the two electric heating rods connected with the bottom end of the rotating rod in a penetrating mode can drive the two rows of stirring rods to heat, mix and stir glue stored in the storage box at the same time, and the phenomenon that the glue is solidified during gluing in severe cold weather is avoided.
Owner:CHENGHONG TECHNOLOGY CO LTD

Warming wrap for cold weather outdoor equipment

A system and method for providing warmth to a person, particularly a skier, in cold or inclement outdoor elements. Skiing is an outdoor winter sport where participants need to have proper clothing and equipment to stay warm in order to participate at optimal strength. Traveling on open-air lifts may cause skiers to become cold. The present disclosure provides a warming wrap that may be placed on a ski pole or other handheld device. A heating device integrated in the warming wrap transmits warmth through an outer layer whereas an insulating layer limits heat from escaping into the pole. The warming wrap contains a heating device that transmits heat from the heating layer to a person who touches the outer layer of the warming wrap. A grip layer alone or together with a fastener arrangement prevents the wrap from sliding down the pole. The preferred placement of the wrap on the pole rather than on a grip or in a glove or mitten provides the skier with better control and balance of the ski pole.
Owner:AFFINITRIX LLC

Pressure data compensation method based on temperature sensor and underground water level monitoring device

The invention provides a pressure data compensation method based on a temperature sensor and an underground water level monitoring device, relates to the technical field of temperature compensation of pressure sensors, and aims to realize a pressure sensor capable of more reliably and efficiently coping with extremely cold weather. Real-time temperature data and real-time pressure data are obtained through a temperature sensor and a pressure sensor respectively; based on the fluctuation range coefficient and the real-time temperature data, obtaining the range of the corrected temperature; the compensated pressure range is obtained through the corrected temperature range and the real-time pressure data; and selecting an optimal pressure value from the compensated pressure range as a final compensated pressure value. The method has the advantage that the data detection accuracy of the pressure sensor in the extremely cold environment is improved.
Owner:INST OF EXPLORATION TECH OF CHINESE ACAD OF GEOLOGICAL SCI

Vital capacity training equipment for respiratory medicine nursing

The invention discloses vital capacity training equipment for respiratory medicine nursing, and relates to the field of medical equipment, the vital capacity training equipment comprises a mask, an air inlet bin is arranged in the mask, a breathable absorbent cotton piece in a wet state is arranged in the air inlet bin, a refrigeration semiconductor is further arranged in the mask, the refrigeration surface of the refrigeration semiconductor faces the outside of the mask, and the refrigeration surface of the refrigeration semiconductor faces the outside of the mask. The heating surface faces the interior of the mask, airflow entering the mask can penetrate through the absorbent cotton piece and then pass through the heating surface of the refrigeration semiconductor, one end of the corrugated pipe is connected with the mask, and the other end of the corrugated pipe is connected with an impedor. The breathable cotton piece capable of preserving moisture is arranged at the air inlet channel of the mask, the humidity of air entering the mask is increased, meanwhile, the heating face of the refrigeration semiconductor in the mask is used for heating the air entering the mask, then more comfortable air conditions are provided for a patient in dry and cold weather, and the vital capacity training quality of the patient is improved.
Owner:CHANGZHOU THIRD PEOPLES HOSPITAL

Deicing structure for front cover of car lamp

The invention discloses a car lamp front cover deicing structure, and relates to the technical field of car parts, the car lamp front cover deicing structure comprises a shell, a deicing assembly is arranged in the shell, and a drainage assembly is arranged at the bottom of the shell. When the device is used, an infrared sensor is started to detect whether an ice layer exists or not, a controller starts a micro fan and a heating wire, an air inlet pipe conveys air into a first connecting pipe, the air is conveyed into a graphene heat conduction pipe through a flow dividing pipe and makes contact with the heating wire to form hot air, and then the hot air enters a fixed pipe through an air inlet pipe; and hot air is blown to the inner wall of the lampshade through the air outlet pipe, meanwhile, heat is transferred into the lampshade through the graphene heat conduction pipe, the ice layer is heated and melted, and the intelligent automatic deicing effect is achieved. The outer surface of the lampshade is coated with a hydrophobic coating, so that water drops can quickly flow downwards. Under the action of the deicing assembly, manual deicing is not needed in cold weather.
Owner:NINGBO BEILUN HAIYU AUTOMOTIVE LAMP

Fuel injection method and device of engine, vehicle and storage medium

The invention discloses a fuel injection method and device of an engine, a vehicle and a storage medium, a cylinder cover of the engine is provided with a fuel injector, a glow plug is arranged below an air inlet channel, the fuel injector is configured to inject fuel into a combustion chamber of the engine, and the glow plug is configured to heat the combustion chamber of the engine. The method comprises the steps that under the condition that an engine starting instruction is received, the cooling water temperature of an engine is obtained; under the condition that the temperature of the cooling water is smaller than or equal to a first preset temperature threshold value, the glow plug is controlled for heating; and under the condition that the temperature of the glow plug reaches the second preset temperature threshold value, the motor of the vehicle is controlled to drag the engine to rotate at the preset rotating speed, and the fuel injector is controlled to conduct single-time injection into the combustion chamber in the later period of the compression stroke. According to the fuel injection method, the problem that single-fuel cold start of the methanol engine is difficult in cold weather can be solved, the success rate of cold start of the engine is increased, and the cost can be reduced.
Owner:GREAT WALL MOTOR CO LTD

Cold-proof and anti-skid shoes capable of heating during sports

A supporting device comprises an upper sewn to the bottom end of a vamp, the bottom end of the upper is fixedly provided with an anti-skid assembly used for preventing skid, and the top end of the upper is provided with a supporting assembly used for supporting. The heating device comprises a heating assembly arranged in the supporting assembly and used for heating, and a temperature control unit used for controlling the heating assembly to heat the vamp is arranged in the vamp. The temperature control unit embedded in the shoe tongue is used for controlling the flexible carbon fiber heating wire to conduct gear temperature adjustment so as to keep the insole to be heated, warm can be rapidly provided for the feet, and invasion of cold weather can be effectively resisted; meanwhile, the unique design of the antiskid patterns and the antiskid nails can adapt to the ground with different slippery degrees, and the risk of slipping and injury is effectively reduced; and multiple functions such as heating, skid resistance and motion assistance are integrated into a whole.
Owner:JIANGSU LIUDU SAFETY TECH CO LTD

Temperature-adjustable building outer wall

The invention relates to the technical field of building outer walls, and discloses a temperature-adjustable building outer wall which comprises a wall body, after a motor in a heating structure is started, the motor can drive a lead screw to rotate, so that a first friction block is pushed to slide on a sliding block, a copper pipe is continuously rubbed to generate heat, and the heat can be continuously absorbed by water in the heating structure; therefore, when the indoor temperature is affected by temperature rise, freezing prevention and too high internal temperature of the wall body, external air can enter the wall body through the sieve holes in the air inlet box only by pulling down the baffle plate and limiting the baffle plate by using the limiting block, so that the wall body can be quickly cooled, and the indoor temperature is reduced; a heating source in the temperature control assembly is started in extremely cold weather, heat can be dissipated and conveyed into the wall body through strip-shaped holes, so that the temperature of the wall body is increased, the indoor temperature is increased, and bamboo charcoal blocks in the moisture absorption assembly can absorb moisture contained in air entering the wall body through an air inlet box.
Owner:HEFEI GUORUI INTEGRATED CONSTR TECH CO LTD

fuel heater

1. Name of the product in this design: Fuel Heater. 2. Purpose of this design: A device for heating fuel in automobiles, facilitating quick starting of vehicles in extremely cold weather. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
Owner:NANPI COUNTY PINTAI AUTO PARTS CO LTD

Belly-protecting boxer shorts

The utility model belongs to the technical field of underpants, and relates to belly-protecting boxer shorts, a waistband is formed by folding waistband cloth in half, so that the waistband is of a double-layer structure, the belly of a child is protected, meanwhile, the tightening feeling of the waistband to the child is relieved, the waistband comprises a front waist part and a rear waist part made of breathable cloth, and the rear waist part is made of mesh cloth. The design of the belly protector of the front waist can provide an additional warm keeping effect, especially in cold weather or in an air conditioning environment, the belly protector is beneficial to maintaining the temperature of the belly and reducing discomfort caused by catching a cold, and the breathable back waist can enable air to circulate, reduce sweat accumulation and keep the body dry and comfortable. The bottom of the waistband is connected with the trouser body, the trouser body comprises a front part and a rear part which are connected with each other, and the middle of the front part is provided with a bag used for containing the genital organ of the male user, so that the child can wear the trouser conveniently.
Owner:SANLIREN SHENZHEN TECH CO

Anti-freezing shallow underground water monitoring system and method

The invention discloses an anti-freezing shallow groundwater monitoring system and method.The anti-freezing shallow groundwater monitoring system comprises a heat preservation water tank, a detection mechanism and a temperature control mechanism, a heat preservation layer is arranged on the outer side of the heat preservation water tank, and the top of the heat preservation water tank is connected with a water supply pipeline; the detection mechanism comprises a water quality analyzer, a carbon dioxide sensor, a first temperature sensor and a liquid level sensor, and a probe of the water quality analyzer, the carbon dioxide sensor, the temperature sensor and the liquid level sensor are arranged in the water tank and used for detecting underground water; the temperature control mechanism comprises a heating piece arranged at the bottom of the heat preservation water tank, a controller and a second temperature sensor arranged on the inner wall of the water tank, and the controller is electrically connected with the heating piece and the second temperature sensor to control the temperature of the heat preservation water tank. The anti-freezing shallow groundwater monitoring system provided by the invention has the advantages of adaptability to severe cold weather, low energy consumption and high reliability.
Owner:华能庆阳煤电有限责任公司 +1

Plastic vacuum tank for liquid metal storage

The utility model discloses a plastic vacuum tank for liquid metal storage, which comprises a bottom frame, a material storage barrel is arranged on the bottom frame, a water inlet pipe and a water outlet pipe are communicated on the material storage barrel, a vacuum tank is fixed in the material storage barrel, a feeding pipe and a discharging pipe are communicated on the vacuum tank, an inclined plate is arranged at the bottom of the vacuum tank, and the inclined plate is fixed on the bottom of the vacuum tank. The discharging pipe is arranged on the edge side of the bottom of the vacuum tank, a constant-temperature electric heating pipe is fixed to the material storage barrel, a water circulation assembly is arranged in the material storage barrel, and a stirring assembly is arranged in the vacuum tank, so that liquid metal storage and discharging are facilitated, the discharging speed of the liquid metal is increased, and the purpose of complete discharging is achieved. The function of heating the discharging pipe in cold weather is added, and liquid metal is prevented from being condensed in the discharging pipe during discharging in the cold weather.
Owner:HENAN CHINALCO EQUIP CO LTD

Steel casting and preparation method and application thereof

ActiveCN119464900AOptimize chemical compositionImprove low temperature impact toughnessProcess efficiency improvementChemical compositionCold weather
The invention belongs to the technical field of metallurgical materials, and particularly relates to a steel casting and a preparation method and application thereof. The preparation method of the steel casting comprises the following steps that preparation raw materials of the steel casting are smelted, and a melt is obtained; the melt, a deoxidizing agent and a refining agent are mixed for deoxidizing refining and pouring, and a blank casting is obtained; and the blank casting is subjected to heat treatment, and the steel casting is obtained. By optimizing the chemical components of the steel casting, improving the purity of the molten steel through the deoxidizing agent and the refining agent and optimizing the heat treatment method and control parameters, the low-temperature impact toughness of the steel casting cast by the medium-frequency induction furnace can be obviously improved, and the use safety of bridge construction under the extremely cold weather condition can be met; and the production cost of the steel casting is reduced, and resource consumption and environmental pollution are reduced.
Owner:HENGSHUI ZHONGTIEJIAN CASTING & FORGING

Wall surface repairing device

The utility model relates to the technical field of repairing tools, in particular to a wall repairing device which comprises a pressing plate, a strong pressure spring, a base, an adjusting assembly, a heating plate, a mounting plate a and a mounting plate b. A strong pressure spring is connected below the pressing plate and is connected with a base, and the base is connected with an adjusting assembly; the heating plate is connected in the adjusting assembly; the heating plate is connected with the baffle and movably connected with the repairing raw material box. A filling opening is formed below the repairing raw material box. The mounting plate a is connected to one end of the pressing plate and used for smearing the repairing raw materials to the wall surface; the mounting plate b is connected to the other end of the pressing plate and used for collecting waste. According to the heating plate, the repairing raw material box is heated, raw materials in the repairing raw material box are heated for use, the situation that the raw materials are caked or granulated in the cold weather environment is avoided, and the effect that the raw materials are smeared to the wall surface for repairing flatness is conveniently improved; and by heating water in the permeation water tank, the wall surface wetting effect is conveniently improved.
Owner:WUHAN GANGGONG ARCHITECTURE ENG CO LTD