31results about How to "Regulation state" patented technology

The invention discloses an unmanned helicopter flight control system which comprises an onboard unit and a ground control station unit. The onboard unit comprises a flight control computer, a sensor module, a servo control module, a wireless transmission module, a remote-controlled receiver and an actuating mechanism. The ground control station unit comprises a measuring and controlling terminal having a wireless transmission function; the measuring and controlling terminal comprises a PC (personal computer) console and a remote control. The system comprises an automatic control mode and a manual control mode and has the advantages of being small in size and light in weight. The invention further discloses a control method of the unmanned helicopter flight control system, and the method includes that output quantity is calculated and controlled by a closed-loop control algorithm to control the actuating mechanism to operate. By the method, complexity in manipulating a model helicopter is reduced, and the helicopter is enabled to have the basic capacity in automatic flight. Therefore, quite good society and economy benefits are achieved.

The invention discloses an automatic reducing low-deformation offshore deep-water cage, relating to a cage for marine aquiculture. The invention is capable to reduce the deformation of the cage and the flow rate of the sea water inside the cage. The invention comprises a buoyancy frame, a cage, a sinking ring, a sinking block and an anchoring rope. A supporting and lifting control ring bigger than the buoyancy frame and the diameter of the sinking ring is arranged at the one second depth of the cylindrical cage; a water inlet and a water outlet are arranged in the pipe wall of the supporting and lifting control ring; a girdle rubber inner bag which regulates the lifting and descending of the cage is arranged in the ring pipe; an air-valve is installed in the rubber inner bag and connected with the air supply by a pressure hose; between the outer ring and the supporting and lifting control ring of the double-ring buoyancy frame, the bottom outline of the cylindrical cage and the bottom sinking ring, a plurality of flexible ropes are located and connected according to the ring at geometric proportion, and a netting is arranged among the connecting ropes of the three rings; and finally, a flexibly connected automatic reducing low-deformation offshore deep-water cage with a cylindrical inside and a two-cone platform outside is formed, the stress point of the anchoring rope of the cage is arranged at the supporting and lifting control ring.

The invention discloses a double-component conductive ink and a preparing method thereof. The double-component conductive ink is prepared from, by mass, 6-30 parts of conductive filler, 6-15 parts of resin, 0.5-1.5 parts of a dispersing agent, 1-5 parts of an auxiliary and 48.5-85 parts of a solvent. The preparing method of the double-component conductive ink comprises the following steps that firstly, a part of the solvent is taken and mixed with the resin through stirring until a transparent bonding material is obtained; secondly, the bonding material, the conductive filler, the auxiliary, the dispersing agent and the rest of the solvent are added into a ball grinder, and ball milling beads are added for grinding for 3-10 h after the conductive filler is wetted; thirdly, the ground material is filtered, and the finished product conductive ink is obtained. By means of the double-component conductive ink and the preparing method thereof, the problem that the preparing process and the preparing period of conductive ink are long in the prior art is solved, and the conductive ink has better conductivity and higher dispersibility.

The invention discloses a composition containing L-Ergothioneine extract, brown rice fermentation filtrate and acetylchitosamine and application of the composition. The composition includes 0.1-2.0 parts of L-Ergothione extract, 0.1-4.0 parts of brown rice fermentation filtrate and 0.1-2.0 parts of acetylchitosamine. Since the three natural fermentation source components which include the L-Ergothioneine extract, brown rice fermentation filtrate and acetylchitosamine are selected, the composition has the advantages of naturalness, high activity, easy absorption and high safety, an obvious synergistic effect is achieved through sieving of the dosage of the components, meanwhile, the effects of regulating the biological rhythm of skin, delaying skin aging and improving pigmentation are achieved, and damage of blue light to the skin is prevented from the three aspects, so that comprehensiveness is achieved, and the blue light resistant effect is achieved.

The invention discloses a water box device for a washing machine to limit, guide and adjust the path of water flow. The device comprises a water box, a washing solution box and a water-splitting plate, wherein the washing solution box having a drawer-type pull-push structure is arranged in the water box; the water-splitting plate is arranged in the upper space of the washing solution box in the water box, a guiding structure of the water-splitting plate, which is capable of limiting the direction of water flow and adjusting the path of water flow, is arranged on the water-splitting plate; thewater-splitting plate comprises a large water-splitting plate and a small water-splitting plate; a separating rib is arranged between the large water-splitting plate and the small water-splitting plate; the guiding structure of the water-splitting plate is arranged on the large water-splitting plate and composed of at least one guide plate fixed on the water-splitting plate; a water-guiding channel is formed between the water-splitting plates and / or between the water-splitting plates and the inner wall of the water box; and a guide notch capable of guiding the outlet water is formed at the bottom of the lateral wall of the washing solution box. The water box device of the invention can effectively control the path of inlet water and outlet water of the washing machine, and prevent the inlet water from leaking from the water box; and the water box device has the advantages of simple structure and convenient installation and application.

The invention discloses a production method of negative ion BCF fiber. The production method comprises the following steps: A, preparing negative ion master batch: (1) grinding common BCF fiber polymerizing raw material sections into powder for later use; (2) stirring and mixing the powdery common BCF fiber polymerizing raw material, nanoscale negative ion powder and an assistant; and (3) prilling the stirred mixture to obtain negative ion master batch; B, preparing negative ion BCF fiber: mixing the negative ion master batch with the common BCF fiber polymerizing raw material to obtain a mixed material, wherein the weight percentage of the negative ion master batch in the mixed material is 3-8%; extruding the mixed material into a spinning box at the temperature of 220-280 DEG C; putting the mixed material after being processed in the spinning box into the production of the subsequent BCF spinning production line, wherein the BCF spinning production line comprises the following production steps: (1) filament spraying; (2) cooling; (3) oil applying and drafting; (4) BCF bulking; and (5) cooling and forming, outputting, entanglement network and winding. The negative ion BCF fiber is suitable for carpet weaving.

The invention discloses a tightening-degree-adjustable device for a conveyer belt for an automatic textile machine, and relates to the tightening-degree-adjustable device. The tightening-degree-adjustable device particularly comprises a bottom plate, an L-shaped rod at the position of the side wall of a lifting plate is held with the hand to rotate, second screw rods can be driven to rotate, two belt wheels are in transmission connection through a second belt, and the two second screw rods can be driven to synchronously rotate; because the threaded directions of two second threaded holes are opposite, two second sliders move oppositely or back to back, the distance between rollers on the conveyer belt is reduced, the falling possibility caused by the fact that the conveyer belt is excessively loose is prevented, the possibility that the abrasion degree is large due to the fact that the conveyer belt is too tight is prevented, the two states can be adjusted, and the service life of theconveyer belt is prolonged; an X-shaped connecting rod, first screw rods, the L-shaped rod and other structures form a lifting mechanism, the height adjustment of the conveyor belt can be completed, placement at the suitable height can be achieved, the applicable range is increased, and the operation process is relatively time-saving and labor-saving, and operation by people is facilitated.

The invention discloses a pipeline filtering device with a self-cleaning function. An outer wall and a filter screen are included, the outer wall is in a circular tube shape, and the filter screen isarranged at the middle front end in the outer wall; an annular concave table formed on the outer wall is arranged on the left side of the filter screen; a water outlet is formed in the right side of the annular concave table, a ball valve is rotatably arranged in the annular concave table, a valve hole is formed in the center of the ball valve, a sewage draining exit is formed under the outer wallbetween the filter screen and the ball valve, a conical surface with a certain size is formed in the inner side of the sewage draining exit, and a ball valve hand wheel is fixedly connected to the upper portion of the ball valve; compared with the prior art, the pipeline filtering device has the following advantages that the filter screen can be self-cleaned; when the filter screen needs to be cleaned, the ball valve is closed firstly, backwash is conducted by pressing the arranged backwash button at the moment, and troublesome operation of manual cleaning of the filter screen is avoided; a sewage draining outlet is formed for draining sewage; the filter screen is easily replaced, the service life is prolonged, and the environment is improved; the stable and adjustable ball valve is provided.

The invention discloses a preparation method for improving the blood curd texture. The method comprises the following steps of collecting fresh blood of beasts and birds; mixing the blood with anticoagulants; 2, performing temperature reduction treatment and cold storage; 3, adding cooling water into the anticoagulation blood, wherein the temperature of the cooling water is 4 to 10 DEG C, and the mass percentage of the cooling water in the material liquid is 30 to 50 percent; 4, performing homogenate processing or ultrasonic processing, wherein the homogenate processing comprises the concrete parameters of the homogenate rotating speed being 3000 to 20000 rpm, the homogenate time being 3 to 20 min and the homogenate temperature being 4 to 10 DEG C; the ultrasonic processing comprises the concrete parameters of the ultrasonic power being 20 to 200 HZ, the ultrasonic time being 10 to 60 min, and the ultrasonic temperature being 4 to 15 DEG C; 5, performing post processing on the material liquid so as to prepare the blood curd. The blood curd prepared by the method has high quality, low hardness, good elasticity and good mouthfeel.

The invention relates to the technical field of biomedical instruments, and particularly discloses an automatic loading device for serological pipette air tightness detection. The device comprises side boards, a first vertical baffle, second vertical baffles, feeding slides, a third vertical baffle, a fourth vertical baffle, a discharging slide, a baseboard, a cube poking block and a first throughhole, wherein second through holes are formed in the cube poking block, adjustment parts and slides are arranged in the second through holes, each adjustment part comprises a handle part and two adjustment rods, sawtooth parts are arranged on the adjustment rods, sawteeth on the sawtooth parts are of stepwise rising structures, third through holes are formed in the cube poking block, adjustment blocks are arranged in the third through holes, one end of each adjustment block is of a conical structure matched with the corresponding sawteeth on the corresponding sawtooth parts, adjustment grooves are formed in both side surfaces of the interior of each third through hole, and second adjustment springs are arranged in the adjustment grooves. The automatic loading device for serological pipette air tightness detection has the characters that loading is tidy, a to-be-detected pipette does not drop, a material opening is not blocked, and the adjustment performance and the adaptability are good.

The invention discloses a leg rehabilitation device for medical surgical nursing. The leg rehabilitation device comprises a bottom plate; the left side of the bottom plate is fixedly connected with a first frame, and the upper surface of the bottom plate is slidably connected with a pedal; the right side of the first frame is fixedly connected with a sleeve, and the inner wall of the sleeve is slidably connected with a telescopic rod; the right end of the telescopic rod is fixedly connected with the left side of the pedal, and the left end of the telescopic rod is fixedly connected with a first pressure spring; the left end of the first pressure spring is fixedly connected with the right side of the first frame; the top of the pedal is fixedly connected with an extension block, and the right side of the bottom plate is fixedly connected with a cushion; and the surface of the first frame is rotationally connected with an auxiliary device. According to the leg rehabilitation device, through matched using of the structures, the problems that in the practical using process, a traditional leg rehabilitation device also has difficulty in achieving complete knee bending rehabilitation training, in the rehabilitation training process, legs of a patient are difficult to protect enough, and consequently using is inconvenient are solved.

The invention discloses an unmanned aerial vehicle (UAV) with telescopic propeller arms and telescopic landing legs. The structure of the UAV comprises a UAV body, a telescopic adjustment connecting frame, a first propeller, blades, the landing legs, a second propeller, a second telescopic adjustment connecting frame, a third propeller and a fourth propeller, wherein the telescopic adjustment connecting frame is perpendicularly connected to the left end surface of the UAV body; the left end surface of the telescopic adjustment connecting frame is movably connected with the first propeller; the upper end surface of the first propeller is perpendicularly connected with a spiral rotating shaft; the corresponding blades are perpendicularly connected to the outer surface of the spiral rotating shaft; and the left end of the telescopic adjustment connecting frame is downwardly and movably connected with one of the landing legs. The UAV with the telescopic propeller arms and the telescopic landing legs can freely and flexibly adjust the state of the propeller arms and the landing legs according to actual needs, thereby ensuring the on-time and efficient accomplishment of corresponding tasks and effectively improving the practical performance of the UAV.

The invention discloses a pure natural plant bathing liquid and a preparation method thereof. The pure natural plant bathing liquid comprises the following raw materials in parts by weight: 60-100 parts of wormwood, 10-20 parts of thymus quinquecostatus flowers, 20-30 parts of radix astragali, 10-15 parts of licorice roots, 10-15 parts of aloe, 0.3-0.6 part of lavender and 2-3 parts of rose. The preparation method of the pure natural plant bathing liquid includes the following steps that raw materials are weighed according to the following weight ratio, the weighed raw materials are boiled with thermal spring water for 2 h under normal pressure, and 1 liter of thermal spring water is added per 110-120 grams of raw materials; and then cooling and filtering are conducted to obtain the finished plant bathing liquid. The components are compatible with one another, and the pure natural plant bathing liquid has the effects of antibiosis and bacteriostasis, expelling damp and cold, warming and nourishing qi and blood, dredging channels and collaterals and regulating the skin state.

The invention relates to the field of power transmission and distribution facilities, in particular to an integrated adjustable locking wire pulling device. The integrated adjustable locking wire pulling device comprises a base and a winding roller rotationally matched on the base; a first connecting part used for being detachably connected with the ground is assembled on the base; a rope is wound around the winding roller, a second connecting part is installed at the outer end of the rope, the second connecting part is used for being detachably connected with a to-be-installed part on an electric pole / iron tower, and the height of the to-be-installed part on the electric pole / iron tower is larger than the height of the installation position of the first connecting part and the ground; and the integrated adjustable locking wire pulling device further comprises a brake assembly, and the brake assembly is used for locking and unlocking rotation of the winding roller in the rope unwinding direction. By the adoption of the scheme, the length of a temporary stay wire can be conveniently adjusted so as to meet the requirements for stay wires with different lengths in the construction process, and due to the fact that the integrated adjustable locking wire pulling device can be detachably connected with the ground and the electric pole / iron tower, recycling of the integrated adjustable locking wire pulling device is facilitated.

The invention relates to the technical field of medical instruments, in particular to a multifunctional rescue device for an emergency department, which comprises a supporting plate. A supporting frame is connected to the supporting plate in a lifting manner, a folding mechanism is connected to the supporting frame, universal wheels are connected to the folding mechanism, an adjusting mechanism is connected to the supporting frame, and the adjusting mechanism is matched with the folding mechanism; the supporting plate is further connected with a bed plate in a sliding mode, the supporting plate is further connected with a linkage mechanism matched with the bed plate, the linkage mechanism is connected with a lifting plate, and the lifting plate is matched with the bed plate; armrests are connected to the bed plate in a lifting mode, an inner rod and a square pipe are connected between the two armrests in a sliding mode, a linkage rod is rotatably connected to the supporting plate, a supporting column is fixedly connected to the supporting frame, the supporting column is connected with one end of the linkage rod in a sliding and rotating mode, and the square pipe is connected with the other end of the linkage rod in a sliding and rotating mode. The problems that in the prior art, an emergency department rescue device is prone to shaking in the conveying process, and the length cannot be adjusted are effectively solved.

The invention relates to an energy saving device for circularly drying an aquatic product at normal temperature, belonging to the field of aquatic product processing equipment. The energy saving device comprises an air pump, a first control valve, a second control valve, a condenser, a third control valve, a drying chamber, a fourth control valve, an evaporator, a fifth control valve, a plate-type heat exchanger, an air blower, a sixth control valve, a compressor and a heat pump system, wherein the left side of the air pump is sequentially connected with the first control valve, the compressor and the condenser through pipelines to enter the drying chamber; pipelines of the third control valve are arranged between the left side drying chamber and the air pump in parallel; pipelines of the second control valve are arranged on both ends of the first control valve and the compressor in parallel; the right side of the drying chamber is sequentially connected with the evaporator, the fifth control valve and the plate-type heat exchanger through the pipelines to enter the air pump; pipelines of the sixth control valve are arranged between the right side drying chamber and the air pump in parallel; the pipelines arranged in the plate-type heat exchanger are arranged on the pipeline positioned between the drying chamber and the evaporator in parallel.

The invention provides closed disinfecting and cleaning equipment for a mixing container for an intravenous medicine blending center. The closed disinfecting and cleaning equipment for a mixing container for an intravenous medicine blending center comprises a mixing tank; a U-shaped supporting block arranged above the mixing tank; two movable grooves both formed in the U-shaped supporting block; two vertical screw rods rotationally mounted between the top inner walls and the bottom inner walls of the corresponding movable grooves correspondingly, the top ends of the corresponding vertical screw rods extending out of the U-shaped supporting block; a first motor fixedly mounted at the top of the U-shaped supporting block, with an output shaft fixedly connected with the top end of the corresponding vertical screw rod; and two moving blocks. The closed disinfecting and cleaning equipment for the mixing container for the intravenous medicine blending center has the advantages that the use is convenient, the cleaning efficiency of the mixing tank is improved, and the cleanliness of the mixing tank is ensured.

The invention relates to a use method of an adjusting device for machining a precise workpiece. The method comprises the steps that firstly, a boss on a first adjusting block is matched with a second groove in a second adjusting block; according to actual needs, the boss on the first adjusting block is matched with a first groove in the other first adjusting block; by parity of reasoning, the height can be increased or reduced, and the height can be adjusted; and secondly, an adjusting bolt on the second adjusting block can be rotated, fine adjustment of the height can be achieved, and the adjusting precision of the bolt is adjusted to be higher. The adjusting device is simple in structure, flexible and convenient to use, and high in adjusting precision.

The energy-saving type self-closing tuyere structure for building decoration comprises an existing building wall, a square foundation frame is installed in a reserved installation opening, a plurality of rotating rods arranged in parallel are installed on the foundation frame through bearings, swing hinges are arranged on the rotating rods, and the swing hinges are connected with the foundation frame through bearings. The rotating rods are synchronously driven by an electric synchronous transmission mechanism, the rotating rods are provided with butt joint plates making close contact with the swing leaves on the adjacent rotating rods, the swing leaves are provided with covering battens for covering the butt joint positions of the butt joint plates and the swing leaves, and the tail end of each swing leaf is hinged to a waterproof guide plate; the multiple waterproof guide plates are connected through an electric synchronous adjusting mechanism. An electric closing door is arranged on the inner side of the basic frame. The ventilation quantity can be conveniently adjusted, different ventilation adjustment requirements are met, rainwater is effectively prevented from entering a room through ventilation gaps between the swing leaves through the weather strips, and therefore the good waterproof performance is achieved.

The invention discloses a traditional Chinese medicine pillow for treating cervical spondylosis. The traditional Chinese medicine pillow comprises a head pillow and a neck pillow. The head pillow and the neck pillow are both composed of a pillow case and a pillow inner, the upper portions of the pillow inners are made of breathable materials, the lower portions of the pillow inners are made of non-breathable materials, and traditional Chinese medicine powder is arranged in the pillow inners. The traditional Chinese medicine powder is prepared from, by weight, 800-1,200 parts of the root of kudzu vine, 200-300 parts of rhizoma cimicifugae, 150-250 parts of rhizoma polygonati, 200-400 parts of bighead atractylodes rhizomes stir-baked with bran, 150-300 parts of the bark of eucommia, 150-300 parts of radix morindae officinalis, 50-150 parts of herba cistanche and 15-30 parts of borneol. The traditional Chinese medicine except for the borneol is dried and ground together, borneol is added, the mixture is mixed to be uniform, the mixture is put in the pillow inners, and sealing is carried out. The traditional Chinese medicine pillow has great advantages for treatment, prevention and healthcare of cervical spondylosis, and is an indispensable item for treating cervical spondylosis.

The invention discloses a domestic magnetization cleaning machine comprising a box, a magnetizer, an electromagnetic pump, a water flow sensor, a heating body and a plurality of pipelines. The box comprises a water inlet end opening and a water outlet end opening. The magnetizer, the electromagnetic pump, the water flow sensor and the heating body are installed in the box. The water inlet end opening, the magnetizer, the electromagnetic pump, the water flow sensor, the heating body and the water outlet end opening are sequentially connected through the multiple pipelines correspondingly. The domestic magnetization cleaning machine combines the magnetizer and the heating body, scale generated during heating of the heating body is eliminated, the protection effect on the heating body is achieved, and service life of the equipment is prolonged.

The invention provides a hand-held dust collector comprising a machine body connected with a suction pipe and a handle arranged on the machine body; with respect to the axle that is vertical to a suction pipe extension direction, a fixed structure used for fixing the relative positions between the handle and a mounting structure is rotatably arranged on the machine body. The handle angle can be adjusted so as to connect the handle with the mounting structure in different angles, thus more comprehensively adjusting the handle states, and satisfying real demands of handling the hand-held dust collector in various angles when a user uses the hand-held dust collector to clean; the handle angle can be adjusted to reach a labor saving state, thus obtaining a better user experience.

The invention relates to a method for synthesizing ultrahigh-viscosity water-soluble block polyether by a one-pot process, which comprises the following steps: placing a compound containing reactive hydrogen in a reaction kettle, adding a phosphazene catalyst to catalyze nucleophilic substitution reaction between the reactive hydrogen and initial polyether, vacuumizing, and heating to 130-150 DEG C in the reaction kettle; introducing a mixture of ethylene oxide and propylene oxide into the reaction kettle, and carrying out nucleophilic substitution reaction on the mixture and reactive hydrogen to generate polyether polyol; introducing ethylene oxide into the reaction kettle to generate ethylene oxide-terminated polyether polyol; after the reaction is finished, aging until the pressure in the reaction kettle is unchanged; introducing an isocyanate cross-linking agent; reacting the primary hydroxyl group in the ethylene oxide terminated polyether polyol of the primary hydroxyl group to generate macromolecular polyether polyol; and vacuumizing to remove the solvent to obtain the ultrahigh-viscosity water-soluble block polyether. The alkali metal content in the polyether is reduced, the molecular weight of the polyether is improved, and the viscosity of the water-soluble block polyether is increased.

The invention relates to a feeding device for a high-pressure roller mill, in particular to a novel high-pressure roller mill feeding device. By means of the novel high-pressure roller mill feeding device, the dedusting effect is good, the distribution state is convenient to adjust, and installation and maintenance are convenient. The novel high-pressure roller mill feeding device comprises a feeding box body and is characterized in that a wear-resistant chute is longitudinally arranged in the box body, two adjusting plates are arranged on the box body and below the wear-resistant chute, and the two adjusting plates are symmetrically and rotationally connected to the two sides of the box body; and each adjusting plate is connected with an adjusting device, and the two adjusting plates deviate from each other or get close to each other under the action of the respective adjusting devices, so that the opening degree of a discharge port is adjusted.

The invention discloses an office desk with a keyboard rack, comprising: a desktop and a supporting cabinet for supporting the desktop, the desktop includes a display screen placement area, a keyboard fixing area and a storage area, and the keyboard fixing area includes an adjustable One end of the adjustable plate is hinged with the desktop, and the other end is connected to the adjustable cylinder support. The adjustable wrench is provided with a keyboard positioning key, and the display screen placement area includes a liftable disc. Through the above method, the office desk with keyboard frame of the present invention can transfer the height and angle of the keyboard and the display screen, improve office comfort, adjust the state of sedentary office, and provide protection for human health.

The invention discloses a planting method for increasing the content of epigallocatechin gallate in tea leaves. The planting method comprises the following steps that a red thin film is arranged above the canopy surface of a tea garden, and through holes are formed in the surface of the thin film; the thin film enables sunlight to form single red visible light below the thin film after penetrating through the surface of the thin film; and the through holes enable sunlight spectrums not to be changed (especially short-wave spectrums such as ultraviolet rays) to irradiate on the canopy surfaces of tea trees. The method can be used in any time period of the tea growth stage, is simple and feasible, can be used in a large-area tea garden, and is low in cost. According to the method, the red thin film is used for changing the quality of the light irradiated on the canopy surfaces of the tea trees, and then the through holes are used for providing the ultraviolet light and other short-wave trace light elements for the growth of the tea trees, so that the growth state and quality component synthesis of the tea trees can be effectively adjusted, and the EGCG content in the tea leaves is increased; and compared with hybridization cultivation in the prior art, the method is short in time consumption, simple in process and high in field operability.

The invention provides a capsule for treating infantile autism and a preparation method thereof. The capsule is prepared from the following raw materials in parts by weight: 33 to 62 parts of galactooligosaccharide, 12 to 28 parts of succinic anhydride, 20 to 33 parts of pumpkin polysaccharide, 22 to 40 parts of rutinose, 12 to 33 parts of rice fermentation filtrate, 12 to 25 parts of beta-carotene, 10 to 19 parts of strain, 10 to 20 parts of filler and 0.1 to 3 parts of adhesive. The raw materials are reasonably selected and scientifically proportioned, and all the components interact with one another to selectively stimulate the composition and activity of specific intestinal flora; and through a regulating system for regulating bidirectional signal communication between the intestinal tract and the nervous system, the composition and activity of the specific intestinal flora are selectively stimulated.

The invention relates to a ventilation material for a molten iron ladle and a preparation method thereof. The method is characterized in that corundum fine powder, alpha-Al2O3 micro powder, quartz sand fine powder, aluminum hydroxide, aluminum fluoride, additives, foaming agents, foam stabilizing agents, water reducing agents and calcium aluminate cement are mixed; water is added; stirring, shaping, curing and drying are performed; heat treatment is performed at 1,400 to 1,600 DEG C; crushing and sieving are performed to obtain a particle material A and a particle material B with different granularities; then, thermosetting phenolic resin, surfactants, monatomic silicon powder, silicon carbide powder, copper powder and ammonium metavanadate are mixed and are uniformly stirred to obtain modified resin; next, corundum particles, particle material A, particle material B, crystalline flake graphite, silicon carbide powder and modified resin are uniformly mixed and are pressed and shaped; heat treatment is performed at 100 to 300 DEG C to obtain the ventilation material for the molten iron ladle. The ventilation material has the advantages that the production cost is low; the prepared ventilation material for the molten iron ladle has the characteristics of great high-temperature anti-folding intensity, stable ventilation performance, excellent flushing-resistant performance and a long service life.