142results about How to "Play a heating role" patented technology

The invention discloses a method for purifying air by combining adsorption and in-situ heat catalytic oxidation regeneration. The method uses a porous material with adsorption and catalysis functions and a porous material with protective adsorption to adsorb low concentration of formaldehyde and benzene series in the air; when the adsorption of the porous material approaches to saturation, electrical heating is started to activate the catalytic activity of the porous material with the adsorption and catalysis functions, thereby catalytically oxidizing the formaldehyde and the benzene series which are adsorbed on the surface of the porous material into carbon dioxide and water; at the same time, the adsorption capability of the porous material is regenerated; the regenerated porous material is reused for adsorption; thus air purification can be realized through the circulation. The method has the advantages of high efficiency, energy conservation, low cost, no secondary pollution and so on. The method is suitable for purifying air containing the low concentration formaldehyde and the benzene series in a building, a cabin or other restricted spaces.

The invention discloses a laser-assisted orthogonal micro-cutting device and method having an automatic laser focus following function, belongs to the technical field of machining equipment and aims to solve the problem that height changes of to-be-machined surfaces cannot be monitored in real time in laser-assisted micro-cutting processes in the prior art. A motion unit and a laser-assisted machining unit of the device are mounted on a shock-absorbing platform; an optical automatic following unit is arranged on the laser-assisted machining unit and comprises a lens A, a lens B and a linear array charge coupled device (CCD) sensor; laser emitted by a laser light source of the laser-assisted machining unit irradiates a to-be-machined surface via the lens A, and a laser beam reflected by the to-be-machined surface is focused on the linear array CCD sensor via the lens B; and the to-be-machined surface is mounted on the motion unit, and a computer control unit adjusts displacement of the to-be-machined surface in the direction X, the direction Y and the direction Z in real time by the aid of the motion unit according to the laser action range fed back by the linear array CCD sensor.

The invention discloses a compact continuous casting and tandem rolling method for producing hot rolling strip steel, including the following steps: 1) liquid molten steel passes through a long nozzle from a ladle to be cast to a pouring box, flows through a submerged nozzle from the pouring box to be cast in a crystallizer of a continuous caster and is continuously cooled in the continuous caster to form a casting blank; 2) a shearing machine is used for cutting a flat blank into certain size; 3) the flat blank enters a tunnel roller hearth heating furnace for heating; 4) the continuous caster is provided with a plurality of casting flows, one of which is in collineation with a rolling mill, the casting blank of other flows passes through a swinging section and is converged with the casting blank of the collinear flow and then is descaled by high pressure water; 5) the casting blank carries out rough rolling into an intermediate blank by a roughing mill group; 6) the intermediate blank is coiled and decoiled by a hot coiling box; 7) the head and the tail of the decoiled intermediate blank are cut and descaling by high pressure water is carried out to the decoiled intermediate blank; 8) the intermediate blank carries out finish rolling into a steel strip with standard thickness; 9) the steel strip is coiled into a finished steel coil by laminar flow cooling. The method is characterized by stable production technique, shorter production line, low equipment investment and high utilization rate of energy in the whole production process, etc.

The invention discloses a continuous casting and tandem rolling method for producing hot rolling strip steel by using medium sheet billet, including the following steps: 1) liquid molten steel passes through a long nozzle from a ladle to be cast to a pouring box, flows through a submerged nozzle from the pouring box to be cast in a crystallizer of a continuous caster and is continuously cooled in the continuous caster to form a casting blank; 2) the casting blank enters a short tunnel roller hearth type heating furnace for heating; 3) a technology of converging a plurality of casting flows is adopted, one of the casting flows is in collineation with a rolling mill, the casting blank of other flows passes through a swinging section and is converged with the casting blank of the collinear flow, then passes through a walking beam and a holding zone of the roller hearth complex type heating furnace which is provided with a roller way and finally enters high pressure water for descaling; 4) the casting blank is prepared into an intermediate blank by rough rolling; 6) the intermediate blank carries out finish rolling into a steel strip with standard thickness; 7) the steel strip is cooled and coiled into the finished steel coil. The method can reduce investment, save energy resource, improve the quality of products, expand the varieties of the products and lower production cost.

The invention provides a corrosion-resistance coating of a polysilicon ingot furnace, a high temperature resistance protective layer and a preparation method thereof. The corrosion-resistance coating comprises the following components with the weight percentage: 85%-93% of mixture of carbon fibre powder and graphite powder, 1%-4% of film forming agent, 1%-3% of mixture of firming agent and dispersing agent, and 5%-12% of insulating material powder; the insulating material powder is one or two compounds of Sr3Ti2O7 and Sr4Ti3O7. The high temperature resistance protective layer comprises a carbon fibre thermal-protective coating and the corrosion-resistance coating covered on thereof. The corrosion-resistance coating of the invention causes the surface of the carbon fibre thermal-protective coating to be smooth, blocks the aggregation of impurities, has high temperature resistance and high strength, protects the carbon fibre thermal-protective coating not to be rusted, thus prolonging the service life of the carbon fibre thermal-protective coating.

The invention relates to a preparation method of a lithium ion battery anode material, aiming to provide a method for preparing a conducting film LiFePO4 cladding material containing nitrogen. The method comprises the following steps of: ball milling and mixing FePO4.4H2O, LiOH.H2O and a polyacrylonitrile emulsion, blending into a paste and putting the paste into a quartz reactor; regulating and controlling the microwave output power and controlling the reaction temperature to be at 150 DEG C; raising the microwave output power in an oxygen atmosphere and heating up to 300 DEG C from 150 DEG C; switching to a highly pure nitrogen atmosphere, raising the microwave output power and heating up to 600 DEG C from 300 DEG C; and continuously raising the microwave output power under the highly pure nitrogen atmosphere and annealing at 700-800 DEG C for denitrifying. Nitrogen atoms remain on the conducting carbon film formed by the invention, and lone pair electrons of the nitrogen atoms can effectively improve the conductivity of the carbon film so as to improve electrochemical and dynamic properties of the anode, reduce the electrode polarization and improve the velocity volume of the lithium cell, thus the invention can be applied to power cells of electric vehicles.

The invention relates to the field of vegetable processing, and particularly discloses a vegetable dicing device. The vegetable dicing device comprises a rack, a material cutting barrel, a slicing mechanism, an upper pressing mechanism and a lower pressing mechanism, wherein the material cutting barrel is fixed to the rack, the slicing mechanism comprises a cylinder which communicates with the material cutting barrel, the cylinder is internally provided with a piston and a tension spring, slicing knives are fixed to the piston of the cylinder, the side wall of the material cutting barrel is provided with knife inlet channels, each slicing knife can slide along the corresponding knife inlet channel, a sealing part is fixed in each knife inlet channel, and each slicing knife is clamped intothe inner circumference of the corresponding sealing part; the upper pressing mechanism comprises a first air pump and a first piston, a push rod of the first air pump is fixed to the first piston, and cutting knifes are fixed to the lower surface of the first piston; and the lower pressing mechanism comprises a second air pump and a second piston, a push rod of the second air pump is fixed to thesecond piston, the second piston can seal the communicating portion of the material cutting barrel and the cylinder, and heating parts are fixed in the first piston and the second piston separately.The vegetable dicing device can be used for rapidly cutting vegetables into dices.

The invention discloses a multi-purpose gathering combustion type rotary furnace. The multi-purpose gathering combustion type rotary furnace comprises a furnace base. An outer furnace barrel and an inner furnace barrel are installed on the furnace base in a rotating mode and are synchronous. The two ends of the outer furnace barrel are connected with a feeding and discharging end base and a gathering combustion end base in a dynamic sealing mode correspondingly. One end of the inner furnace barrel is connected with a sealed feeding device. A combustion isolation body which stretches into the inner furnace barrel is arranged on the gathering combustion end base, a gathering combustion channel is formed in the portion, corresponding to a material gathering region, of the combustion isolationbody, and a slag falling opening is formed in the gathering combustion end base. A combustion supporting air supply pipe is arranged in the gathering combustion channel, and an annular flame retardant layer is arranged in the inner furnace barrel. A gas resistance device is arranged between the gathering combustion end base and the portion, located outside the material gathering region, of the inner furnace barrel, and the inner furnace barrel is connected with a gas supplement device. According to the multi-purpose gathering combustion type rotary furnace, the combustion heat can preheat rawmaterials, organic matter components can be precipitated and subjected to thermal decomposition to be gasified, the air flow enables the gaseous combustible materials to arrive at the gathering combustion channel and to be gathered, the centralized and powerful combustion is easily formed, and therefore the residual combustible materials inside the raw materials can be prompted to be sufficientlyburnt, and the number of hazardous substances in the tail gas can also be obviously reduced.

The invention discloses a welding device with a good welding effect. The welding device comprises a bottom plate and a movable top plate abutting against the bottom plate, wherein a radiating device is arranged on the bottom plate and is provided with a conducting electrode; the other end of the conducting electrode is connected to an electrode plate; the bottom part of the electrode plate is provided with a dielectric layer which plays a role in heating when high-frequency equipment is in working and conducting heat to the electrode plate; the output end of the high-frequency equipment is correspondingly and electrically connected to the electrode plate and the bottom plate. Aiming at overcoming the defects in the prior art, the welding device disclosed by the invention has the advantages of convenience in processing, high efficiency and good effect.

The invention provides a rotary compressor and a temperature adjusting system. The rotary compressor is driven by an electronic control system which is not provided with an electrolytic capacitor. The rotary compressor comprises a shell, a motor assembly located inside the shell, a pump body assembly located inside the shell and an air cylinder assembly, wherein the shell is provided with an exhaust port and an air inlet; the motor assembly comprises a stator and a rotor, the stator is embedded to the position of the inner wall of the shell, and the rotor and the stator are coaxially arranged; the pump body assembly comprises a crankshaft, the axis of the crankshaft is parallel to the axis of the shell, the crankshaft comprises an eccentric segment, and the rotor and the crankshaft are fixed in an embedded manner so that the crankshaft can be driven to rotate; and the air cylinder assembly comprises at least one air cylinder, the parameters of each air cylinder and the rotor meet a relation which is shown in the specification, D represents the internal diameter of the air cylinder, H represents the height of the air cylinder, r represents the radius of the rotor, and h represents the height of the rotor. By means of the technical scheme, the rotary compressor has the beneficial effects that the structure is simple and reasonable, assembling is easy, and vibration is low.

The invention discloses a high-efficiency seepage-proofing method for a landfill site for domestic garbage treatment and belongs to the technical field of seepage-proofing treatment. That a sedimentation dual-state water reducing layer is innovatively introduced by taking a layered seepage-proofing mode as a seepage-proofing foundation can be realized, landfill leachate generated during the landfill of domestic garbage and the heat generated in the microbial treatment process are dually settled and drained to the sedimentation dual-state water reducing layer by utilizing the characteristic ofmicrobial treatment of the landfill leachate, pollutant components in the landfill leachate are first decomposed by combining shunting adsorption filtration with the microbial treatment, secondly, theabsorbed heat is stored to heat the landfill leachate to evaporate, and the landfill leachate is discharged to the outside of the landfill site along a pre-buried pipeline to collect and recycle water resources and heat energy, and the landfill leachate is efficiently treated in a mode of actively draining and promoting the dual-state change, so that the seepage-proofing effect of the landfill site is obviously improved.

The invention discloses an environment-friendly cable with high brittleness resistance for a low-temperature environment. An inner diffusion channel, an outer diffusion channel and a self-heating layer are arranged; external water vapor or rainwater enters the self-heating layer through the internal and external diffusion channels; self-heating layer heating, on one hand, the internal temperatureof the cable can be effectively increased; accelerating transmission speed, on the other hand, the heat storage effect of viscous fluid is matched; a certain softening effect can be achieved on the thermal change softening layer from outside to inside; meanwhile, the heat generated by the wire core can be absorbed by the thermal softening layer during working. Therefore, the cable has a certain softening effect on the thermal softening layer from inside to outside, the brittleness of the cable at low temperature is effectively improved, the probability of cracking of the surface of the cable at low temperature is effectively reduced, the service life of the cable is effectively prolonged, material waste is reduced, environmental pollution is reduced, and the environmental protection property is improved.

The invention discloses a drying device for textile fiber processing, and belongs to the technical field of fiber material drying. Two drying cylinders which are sequentially arranged from top to bottom are arranged on one side of a drying box, fiber transmission rollers which are in traction contact with textile fibers are arranged on the drying cylinders, an air supply mechanism is used for supplying air to the interiors of the two drying cylinders, in the traction process of the textile fibers, the textile fibers are rubbed with the fiber transmission rollers, the heated fiber transmission rollers are dragged to rotate clockwise, and therefore the dynamic water absorption and drying effects are achieved, the drying effect is improved, direct hot air supply is avoided, and hot melting breakage of the fibers is not prone to being caused. In addition, flexible heat conduction parts are arranged on the outer sides of the pair of drying cylinders, the textile fibers are in friction contact with the inner end faces of the flexible heat conduction parts in the traction process, the moisture absorption and drying effects on the textile fibers are improved, and the textile fibers are flexibly combed.

A mobile heating device with shell breaking function, which is provided in a methane pool, and a shell breaking method are disclosed. The invention relates to a heating device and a shell breaking method. The invention effectively solves the problem that the methane pool in cold mountain areas generates no marsh gas in winter and can not be used normally, which is caused by unavailability of the heating device; the invention also solves the problem that the shell breaking function is not combined with the heating function. The invention comprises at least one set of heating pipe body (5) and a base frame (6) of the heating pipe and a control handle (7); a set of heating pipe body (5) is arranged on the base frame (6) of the heating pipe; the control handle (7) is fixed and connected with the base frame (6) of the heating pipe. The steps of the method are that: the mobile heating device with shell breaking function is installed in the methane pool; the distance L1 between an upper end of the heating pipe body and a top end of the methane pool is 0.5m to 5m; the base frame (6) of the heating pipe and the heating pipe body are moved up and down by the mobile control handle. The invention combines the heating function with the shell breaking function; the invention has the advantages of a simple structure, a low cost and convenient operation.

The invention discloses an air conditioning system and a control method thereof. The air conditioning system can provide fluid which is fully dehumidified and heated for the indoor space in an energy-saving mode and has the function of providing hot water. The air conditioning system comprises an outdoor unit, a dehumidifying and heating indoor unit and a refrigerating fluid water heat exchange unit, wherein the outdoor unit, the dehumidifying and heating indoor unit and the refrigerating fluid water heat exchange unit are connected through a first connecting pipe, a second connecting pipe and a third connecting pipe; one end of the third connecting pipe is connected to a discharge pipe connected to the discharge side of a compressor, the dehumidifying and heating indoor unit is provided with a second indoor side pipe, a second indoor side refrigerating fluid adjusting device and a second heat exchanger are arranged in the middle of the second indoor side pipe, and the other end of the third connecting pipe is connected to the other end of the second indoor side pipe; and the refrigerating fluid water heat exchange unit is provided with a refrigerating fluid pipe, a water loop and a refrigerating fluid water heat exchanger, one end of the refrigerating fluid pipe is connected to the first connecting pipe, and the other end of the refrigerating fluid pipe is connected to the third connecting pipe.

The invention provides an asphalt tank suitable for asphalt fissure cementation of a road maintenance road surface and a fissure cementation method. The asphalt tank comprises a fixed bottom plate, universal bottom wheels, a mounting frame, a storage battery, a push rod, an asphalt heating protection cover structure, a power switch, asphalt standby storage and mixing box structures, an asphalt storage tank, a suction pump, an L-shaped discharging pipe, an L-shaped extraction pipe, a transverse fixed frame, a longitudinal locating hole, an adjustable sweeping frame structure, an auxiliary presswheel structure, a fissure filling pipe and a discharging valve. The universal bottom wheels are mounted at the four corners of the lower portion of the fixed bottom plate in a bolted manner. According to the asphalt tank, through the arrangement of sweeping brushes and a rotary disc, fissures on the road surface can be swept easily; and through the arrangement of an upper fixed nut and a lower fixed nut of an external thread locating rod, the positions of the upper fixed nut and the lower fixed nut on the external thread locating rod can be conveniently adjusted according to use needs duringuse, and then the height of the sweeping frame can be conveniently adjusted.

The invention provides a cylindrical tile with refrigeration and heat collection capability and a solar tile roof system. The cylindrical tile comprises a double-layer vacuum tube and a refrigerant tube, wherein the double-layer vacuum tube is concentrically arranged on an outer layer, and the refrigerant tube is arranged on an inner layer, an outer tube of the double-layer vacuum tube is the outer tube of an atmospheric window material, and an inner layer tube is the inner tube of a metal material, and a vacuum layer is arranged between the inner tube and the outer tube; the outer surface of the inner tube is divided into two opposite parts in the circumferential direction, wherein one part is provided with a radiation refrigeration metamaterial, and the other part is provided with a heat selective coating; and the double-layer vacuum tube and the refrigerant tube can rotate relative to each other, the inner tube and the refrigerant tube are in direct contact or are provided with a heat transfer layer, and the interior of the refrigerant tube is used for introducing heat transfer media. According to the structure of the cylindrical tile, the double-layer vacuum tube are rotated to different angles in different seasons, so that the switching of refrigeration and heating is realized, and the problem of integration with buildings is solved.

The invention discloses a temperature controllable medical bed. The bed comprises a bed body, a water tank is arranged at the bottom end of the bed body, second telescopic rods are arranged at cornersof the bottom end of the bed body, first limiting holes are formed in the second telescopic rods, first limiting rods are arranged in the first limiting holes, first telescopic rods are arranged at the bottom ends of the second telescopic rods, the first telescopic rods are externally provided with springs, one side of the bed body is provided with a headboard, the top side of the headboard is provided with a display screen, a telescopic drip rod is arranged in the middle of one side of the bed body, the bottom end of the telescopic drip rod is connected with the bed body through a rotating shaft, a knob is arranged on the rotating shaft, a temperature control device is arranged inside the bed body, the temperature control device includes a water inlet, a water pipe, a water outlet, a heating rod, an insulation layer and a temperature sensor, the water inlet is formed in one side of the top end of the temperature control device, the water outlet is formed in one side, away from the water inlet, of the top end of the temperature control device, the heating rod is located in the water pipe of the water inlet, the water pipe is curved, and the temperature sensor is located on one side, close to the heating rod, of the water pipe.

The invention discloses a garden watering robot. The garden watering robot comprises a device body and a processing tank, a water tank is arranged at one end of the device body, a control panel is installed on the surface of the water tank, the inner bottom of the water tank is connected with a water pipe through a water outlet, one end of the water pipe is connected with the processing tank through a centrifugal pump, a chemical tank is arranged in the middle of the inner top of the processing tank, and the bottom of the chemical tank is connected with a main shaft through a rotating shaft. In the garden watering robot, the chemical tank is arranged at the inner top of the processing tank, and the bottom of the chemical tank is connected with the main shaft through the rotating shaft; when a driving motor drives the main shaft to rotate, a nutritional agent in the chemical tank flows into stirring rods through the inner wall of the main shaft and then flows into the processing tank from liquid outlets in the surfaces of the stirring rods to be mixed and stirred with water, and thus the structure accelerates mixing of the nutritional agent and water and simplifies the process.

The invention discloses a cutting device for broad beans. The cutting device comprises a rack, wherein an intermittent mechanism, a transport mechanism and a tool are arranged on the rack; the intermittent mechanism comprises a power motor, a stressed plate, a support table and a push rod, and a cam is arranged on the power motor; a first pressure spring is arranged between the stressed plate and the support table; one end of the push rod penetrates through the support table and is fixedly connected with the stressed plate, an air-inflation pocket is formed in the other end of the push rod, and the air-inflation pocket communicates with a steel pipe; the transport mechanism comprises a transport pipe and a movable plate, one end of the transport pipe is slidably connected with the steel pipe, a rubber sleeve is arranged in the other end of the transport pipe, and a charge channel is formed in the sidewall of the transport pipe; the movable plate is hinged to the inner wall of the transport pipe, and a second pressure spring is arranged between the movable plate and the inner wall of the transport pipe; a plurality of through holes are further formed in the outer wall of the transport pipe, and a circular shaft is arranged on each through hole; and a heating resistor is arranged in each circular shaft, and a plurality of heat dissipation holes are further formed in the circular shaft. The scheme mainly solves the problems of low efficiency and high possibility of causing hand injury due to cutting, of a traditional cutting process for broad beans.

The invention relates to the technical field of catering food and particularly relates to a process for producing quick-fried duck breasts. The process disclosed by the invention is an all-new process which subverts the conventional home style dish production methods in a series of links, such as raw material treatment, production processing, storage, transportation, microwave production and the like. In order to realize the aims, the technical scheme adopted by the invention is as follows: the process comprises the steps: (1) pretreating; (2) frying, packaging and warehousing sauces; (3) mixing; (4) packaging; (5) warehousing and storing; (6) distributing to stores in a refrigerated manner; (7) vending in a microwave manner.

The invention discloses a charging method for a vehicle. The charging method comprises the following steps that whether a charging pile is in the heating mode or not is judged; if the charging pile is in the heating mode, a power battery is heated after a heating relay is closed; and after heating is completed, if the heating relay is disconnected and a quick-charging cathode relay and a fast-charging negative relay are closed, the charging pile is controlled to charge the power battery. According to the charging method for the vehicle, detecting for voltage at both ends of the power battery is not required when the power battery is heated, the power battery is directly charged, so that safety of charging is improved, and reliability of charging is effectively guaranteed. The invention also discloses a charging device of the vehicle and the charging pile.

The invention discloses a multifunctional testing device and method for asphalt stirring, preparation and microwave aging. The device comprises a temperature control system, a stirring system, an objective table and an air blowing system; the temperature control system comprises a control box, an environment box, an infrared temperature probe, a microwave generator and a control panel, the stirring system comprises an illuminating lamp, a motor and a rotor; the rotor comprises a first rotor and a second rotor, and the air blowing system comprises an air blowing window, a draught fan, a filter,a heater and a cooler; in a process of performing microwave aging on the asphalt by using the testing device, a test mold is arranged on the objective table, the test mold is used for holding a testsample, the test sample is heated by the microwave generator, and the temperature of the test mold is monitored in real time by the infrared temperature probe. When the above testing device is used for stirring the asphalt and preparing modified asphalt, the rotor adopts the second rotor, and the second rotor is controlled to stir the test sample through the control panel. By adoption of the multifunctional testing device and method provided by the invention, the preparation efficiency and the output of the aged asphalt are improved, and the multifunctional test requirements are met.

The invention discloses a novel agitating vane. The agitating vane comprises a vane A and a vane B, wherein the vane A and the vane B have the same mechanism and are arranged on an agitating shaft in a 8 shape; the vane A and the vane B respectively comprise a first vane side plate, a second vane side plate, a vane end plate and an arc plate; the first vane side plate is arranged vertically to the agitating shaft, and is parallel to the end face of the agitating shaft; the second vane side plate is arranged vertically to the agitating shaft and is closely attached to the first vane side plate, and the other side of the second vane side plate is flared at a certain angle; a vane end plate is arranged at the flared angle of the first vane side plate and the second vane side plate, and an arc plate is arranged among the first vane side plate, the second vane side plate and the vane end plate, and is used for sealing the first vane side plate, the second vane side plate and the vane end plate to form a cavity; and an agitation gathering arm is arranged the end, far from the agitating shaft, on the vane end plate. The novel agitating vane has the beneficial effects of small agitating resistance, large heat transfer area and high hydrolysis efficiency.

The invention discloses a heat exchanger system for generating and strengthening negative pressure. The heat exchanger system comprises a waste gas flow equalizing pipe, connection branch pipes, guideblade fixing plates, waste gas channels and nozzles; the multiple guide blade fixing plates are installed around the same center of a circle in the circumferential direction and internally comprise the waste gas channels, industrial waste gas is guided into the waste gas flow equalizing pipe, thus, the waste gas uniformly flows into the waste gas channels in the guide blade fixing plates throughthe uniformly-distributed connection branch pipes at the same flow speed, the waste gas exchanges heat with external hot gas flow in the process of circulating in the waste gas channels, and finally,the waste gas is injected out through the waste gas nozzles in the tangential direction of waste gas outlets. The guide blade fixing plates of the heat exchanger system have the function of flow guiding and the function of a heat exchanger, the large heat exchange area and the long heat exchange time are ensured to the greatest extent through the waste gas channels in the guide blade fixing plates, by heating the external gas flowing through the system, the larger and stable temperature difference is provided, and higher negative pressure and the stable negative pressure zone are formed.

A multifunctional air purifier with a fan function comprises a shell, a wind wheel assembly driven by a motor and a filter are arranged in the shell, the filter is arranged on the lower portion in the shell, the wind wheel assembly driven by the motor is arranged above the filter, at least one side of the shell is provided with an air inlet net plate, an air outlet is located in the upper portion of the side face of the shell, the upper end of the air inlet net plate is higher than the filter, a direct air inlet corresponding to the upper portion of the air inlet net plate is formed in the shell and between the filter and the wind wheel assembly driven by the motor, an air inlet mechanism capable of opening or closing the direct air inlet is arranged at the direct air inlet, when the direct air inlet is opened, the purifier is in a fan mode, when the direct air inlet is closed, the purifier is in a purification mode, and a heating module and a power mechanism for driving the heating module to move or rotate are arranged on the side, corresponding to the air outlet, in the shell. The air purifier is simple and reasonable in structure and convenient and fast to assemble and has the functions of purification, fan and heating, and the fan, heating purification and single purification can be conveniently switched according to needs.

The invention relates to a steel ladle working lining capable of controlling molten steel slag entrapment. According to the technical scheme of the steel ladle working lining, an insulation layer (4)is laid on the inner wall of a steel ladle shell (7); a solid oxide fuel cell layer (3) is arranged in the mode of being attached to the inner wall of the insulation layer (7); an electromagnetic coil(2) is arranged in the inner wall, above a slag line, of the solid oxide fuel cell layer (3); slag line bricks (1) are laid in the mode of being attached to the inner wall of the electromagnetic coil(2); ladle wall bricks (5) are arranged on the inner wall, under a ladle wall slag line, of the solid oxide fuel cell layer (3); a seat brick layer (8) is laid on the inner wall, at the ladle bottom,of the solid oxide fuel cell layer (3); the solid oxide fuel cell layer (3) is of a flat plate type or a tubular type; the thickness of the solid oxide fuel cell layer (3) is 0.3-0.8 time that of theladle wall bricks (5); and the thickness of the electromagnetic coil (2) is 0.2-0.5 time that of the ladle wall bricks (5). The steel ladle working lining has the characteristics that molten steel slag entrapment can be reduced, inclusions in steel are reduced, the steel quality is improved, and the steel ladle working lining is environmentally friendly and capable of saving energy.

The invention discloses a functional composite wire based on carbon fiber reinforced nylon, which is characterized in that a wire core of the composite wire is a carbon fiber bundle, and a wire sheathis nylon; the composite wire can be used as a material of a drive element, exposed carbon fibers at the two ends of the manufactured electrothermal drive element are connected with a power supply, and voltage is applied to heat the carbon fibers. When a ''spring'' is stretched, a recovered pulling force can be generated in an electrothermal drive environment to drive the mechanical arm or other components / objects to move. When the wire sheath needs to be maintained or repaired, the stress applied to the electrothermal drive element is unloaded, the voltage applied to the two ends of the carbon fiber bundle is changed, the heating temperature of the carbon fiber bundle is higher than the working temperature and maintained for a period of time; and at the moment, the wire sheath can be melted and repaired under the electrothermal action, and the self-repairing function is achieved.

The invention relates to a venetian blind which comprises at least one capacitor component, wherein the capacitor component comprises two adjacent linked blades; two blades positioned in the same capacitor component are respectively connected with electrodes with different polarities; the blades comprise blade bodies and conductive components arranged on the blade bodies; the conductive components are used for forming capacitance among the adjacent blades under a light-transmitting state. The conductive components are arranged on the blade bodies; under the light-transmitting state, the blades of the venetian blind are connected with a power source, and two blades of the capacitor components are charged and are different in polarity, so that dust absorption is realized; on the other hand, the blade bodies are made of electric heating materials, under a light-shielding state that the blades are closed, the blades of the venetian blind are connected with the power source, a current loop is formed between the every two adjacent blades, the blades generate heat and thus a heating effect is achieved.