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26results about How to "Increase oxygen" patented technology

Printing and dyeing sewage treatment equipment with filter screen cleaning function

The invention discloses printing and dyeing sewage treatment equipment with a filter screen cleaning function, which comprises a sedimentation tank for treating sewage, a partition plate is fixed in the sedimentation tank, the partition plate divides the sedimentation tank into a physical treatment cavity and a biological treatment cavity, and a through hole for sewage circulation is formed in the partition plate; a rotating shaft capable of rotating transversely penetrates through the partition plate, and a motor for driving the rotating shaft to rotate is mounted at the upper end of the sedimentation tank; the rotating shaft is divided into two parts by a partition plate, and a collector for filtering sewage and a mixer for mixing the sewage are respectively arranged on the two parts of the rotating shaft. According to the invention, suspended matters in sewage can be blocked by the filter strip, the rotating filter strip changes the matching position with the through hole, the suspended matters are easily separated from the filter strip, the outer side fan plate pushes the sewage to move towards the rotating shaft, the filter strip adheres to the suspended matters and moves into the annular hole, the suspended matters are remained in the receiving box, and the number of times of cleaning the suspended matters is reduced.
Owner:TONGXIANG YAMEI TEXTILE TECH CO LTD

MOFs (Metal-Organic Frameworks) mixed matrix membrane for nitrogen-oxygen separation and preparation method of MOFs mixed matrix membrane

The invention relates to the technical field of membrane separation, in particular to an MOFs mixed matrix membrane for nitrogen-oxygen separation and a preparation method of the MOFs mixed matrix membrane. The preparation method comprises the following steps: by taking high polymers such as PI, PSF and PIM-1 as film forming materials, embedding a metal organic framework (MOF) material with an affinity effect on oxygen into a polymer film matrix by adopting an in-situ growth method. The nitrogen-oxygen separation mixed matrix membrane is prepared through an in-situ growth MOF method, the method does not need to prepare MOFs firstly and then disperse MOFs particles, the agglomeration phenomenon caused by non-uniform dispersion is avoided, the gas separation performance of the composite membrane can be regulated and controlled by increasing the growth period of MOFs, the permeability of oxygen and the selectivity of oxygen / nitrogen are improved, and the nitrogen-oxygen separation effect is improved. Clean oxygen-enriched air with the oxygen content being 50% or above can be stably produced, and cost and energy consumption are reduced.
Owner:BEIJING INST OF TECH +1

Container quantitative feeder

The utility model relates to the technical field of container breeding, and discloses a container quantitative feeder which comprises a box body and a material storage tank arranged at the top of the box body, a water inlet is formed in the bottom of the box body, a material distributing device is communicated with the lower portion of the material storage tank and comprises a driving device and a frame body, the frame body is communicated with the material storage tank, and the driving device is connected with the driving device. A rotatable material distributing disc is arranged in the frame body, the driving device drives the material distributing disc to rotate, a plurality of grooves are evenly formed in the edge of the material distributing disc, the edge of the material distributing disc except the groove parts is tightly attached to the frame body, a discharging port is formed in the bottom of the frame body, and the width of the discharging port is larger than or equal to the width of the grooves. By means of the design, the feeding amount can be controlled by controlling the rotating angle or the number of turns of the material distributing disc, quantitative feeding is achieved, fishes can be in a reverse flow state in the feeding process, and the fish feeding device conforms to the life habits of the fishes.
Owner:GUANGZHOU JISU REFRIGERATION EQUIP CO LTD

Soil loosening device for ganoderma lucidum planting

The utility model provides a soil loosening device for ganoderma lucidum planting, which belongs to the technical field of ganoderma lucidum planting and comprises a supporting plate, a soil loosening mechanism is mounted at the bottom of the supporting plate and comprises a motor, the motor is fixedly mounted at the top of the supporting plate, a first driving wheel is fixedly mounted at the output end of the motor, and a second driving wheel is mounted at the output end of the first driving wheel. The first supporting seats are fixedly installed at the bottom of the supporting plate, the number of the first supporting seats is two, a first rotating shaft is rotatably installed between the two first supporting seats, the first driven wheel is rotatably installed on the side portion of the first supporting seat on the left portion, and a belt is installed between the first driven wheel and the first driving wheel. Through the arrangement of the soil loosening mechanism, the water retention capacity of soil can be improved, water evaporation and loss can be reduced, the water absorption capacity of crop roots can be improved, the air permeability and the water permeability of the soil can be improved, oxygen and water supply in the soil can be increased, and growth and development of the crop roots are facilitated.
Owner:LONGCHUAN COUNTY SHANGPING JINFENG FRUIT IND CO LTD

Edible mushroom culture medium filling device

The invention provides an edible fungus culture medium filling device, and particularly relates to the technical field of edible fungus cultivation, the edible fungus culture medium filling device comprises a filling table, a right-angle plate is fixedly arranged on the upper surface of the filling table, a storage barrel used for containing an edible fungus culture medium is arranged at the top of the right-angle plate, and a filling pipe is arranged in the center of the bottom of the storage barrel in a communicating mode; a vertical plate is arranged on the groove plate in a sliding mode, a plurality of vibration balls are evenly arranged on the side, close to the filling bottle, of the lower portion of the vertical plate, and the vibration balls capable of continuously doing circular motion around the filling bottle are utilized to intermittently impact the outer wall of the filling bottle in a reciprocating mode, so that the filling bottle is promoted to be subjected to the effect of external vibration force in the process of receiving filling materials, and the filling bottle is prevented from falling off. Under the action of vibration force, the matrix material falling into the filling bottle is promoted to be better and uniformly distributed in the filling bottle, so that the matrix material is effectively prevented from being accumulated in the filling bottle, and subsequent uniform spreading and growth of edible mushroom hyphae in the matrix material are facilitated.
Owner:XIANGNAN UNIV

Submerged plant planting appliance

ActiveCN222442628Uincrease oxygenDiffuse fully
The utility model discloses a submerged plant planting appliance, and belongs to the technical field of submerged plant planting. Comprising a water tank, a sucking pump is fixedly connected to one side of the outer wall of the water tank, a moving frame is arranged in the water tank, a fixing plate is fixedly connected to the interior of the moving frame, a plurality of inserting holes are formed in the fixing plate in a penetrating mode, air is injected into a fixing sleeve through the sucking pump, the air impacts fan blades of cross-shaped overturning blades, and the fan blades are driven to rotate. Under the pushing of air, the cross overturning blade rotates, meanwhile, the air is exhausted from the filter head, the air increases oxygen needed by plants in the nutrient solution, the situation that the growth and health of submerged plants are affected due to insufficient air in water is prevented, the cross overturning blade rotates to drive the rotating rod and the stirring blade to rotate synchronously, the stirring blade rotates to constantly stir the nutrient solution, and the nutrient solution is stirred continuously. Oxygen injected into the nutrient solution can be fully diffused, and meanwhile, a natural water environment is simulated, so that plants can adapt to the natural environment when the plants are transplanted in the later period.
Owner:CHINA MCC17 GRP CO LTD

Aquatic product fresh-keeping transport case

The utility model relates to the technical field of aquatic product transportation, and discloses an aquatic product fresh-keeping transportation box which comprises a dirt filtering mechanism including a magnetic suction filter screen and a pull rod, a box body mechanism including a breeding box, a box cover, a cover lug, a clamping groove, a box lug, a buckle, a ventilation groove and a magnetic frame, and an acting mechanism including a damper, a base, a water outlet, a water pump, a conveying pipe and a filter screen. The magnetic suction filter screen is adsorbed to the top end of the magnetic frame, and the pull rod is fixedly installed at the top end of the magnetic suction filter screen. The aquatic product fresh-keeping transportation box is provided with the dirt filtering mechanism, the position of a magnetic suction filter screen is limited through a magnetic frame, the position of a pull rod is limited through the magnetic suction filter screen, the magnetic suction filter screen is conveniently adsorbed and fixed to the magnetic frame, and therefore muddy water fed into a breeding box through a conveying pipe can be filtered, and the magnetic suction filter screen can be taken out to be cleaned by lifting the pull rod; water in the breeding box can be kept clean all the time, so that the water quality can be improved, oxygen in the water can be increased, and aquatic organisms are fresher and more alive.
Owner:ANHUI JINYUAN FOOD CO LTD

Energy-saving multifunctional casting blank flame cleaning device

ActiveCN119456572Beliminate frictionGood preheating effect
The application discloses an energy-saving multifunctional casting blank flame cleaning device, wherein fixed end pistons and floating end pistons are additionally arranged in the cleaning oxygen cavity of the upper and lower horizontal distributor piston cylinder assembly, the cleaning oxygen cavity is divided into three chambers, i.e., a fixed end chamber, an intermediate use chamber and a floating end chamber, the casting blank cross section is divided into eight optional cleaning areas, PID adjustment is performed on the other eight cleaning areas by using independent valve stations, multifunctional combination of the eight optional cleaning areas is realized, the surface defects of the casting blank can be cleaned in a fixed area and a fixed depth, unnecessary area cleaning is reduced, metal loss is reduced, the yield of finished products is increased, cost reduction and benefit increase are achieved, and the energy consumption is reduced. For hot blank, oxygen pressure of the relatively low temperature area at the edge, such as the top fixed end, the top floating end, the bottom fixed end and the bottom floating end, is increased to obtain a target cleaning depth, improve the hot blank hot delivery rate, reduce the energy consumption and help green metallurgy.
Owner:SHANGHAI DONGZHEN METALLURGY ENG TECH

Aerobic device for pollution control system in incineration plant

An aerobic device for a pollution control system in an incineration plant is characterized in that the pollution control system is used for treating leachate generated in a garbage storage pit of the incineration plant, the aerobic device comprises an aerobic tank, an aeration device and a submersible fan device arranged underwater, and the aeration device comprises a submersible pump assembly and a flow guide pipe assembly. The submersible fan device supplies air to the submersible pump assembly, on one hand, the submersible fan device and the submersible pump assembly operate below the liquid level of water or the leachate, on the other hand, the submersible fan device and the submersible pump assembly operate below the liquid level of the leachate, and on the other hand, the submersible fan device and the submersible pump assembly operate below the liquid level of the leachate. Sound generated by operation of the air purifier is refracted into water or percolate at the interface of air and water, noise is low, noise reduction facilities do not need to be additionally added, the input cost of other noise reduction equipment is saved, and the noise reduction effect is good. On the other hand, the submersible pump assembly pushes the percolate to be sprayed out in the extending direction of the flow guide pipe assembly to form circulating water flow, so that the submersible pump assembly also has a stirring effect in the process of introducing air for aeration.
Owner:FUJIAN BIANG ENVIRONMENTAL ENG CO LTD

Three-dimensional constructed wetland device

ActiveCN119569241Aincrease oxygenavoid severe excursionsWater contaminantsSustainable biological treatmentConstructed wetlandWater flow
The invention discloses a three-dimensional constructed wetland device which comprises a plurality of groups of constructed wetland modules arranged in the vertical direction, each group of constructed wetland module comprises two constructed wetland boxes, namely a first constructed wetland box and a second constructed wetland box, and the first constructed wetland box and the second constructed wetland box are distributed in a stepped manner; the first artificial wetland box is higher than the second artificial wetland box; each of the first artificial wetland box and the second artificial wetland box comprises an outer frame and a filler frame body; the filler frame bodies in the first artificial wetland box and the second artificial wetland box are obliquely arranged in the corresponding outer frames in opposite directions; and each group of constructed wetland modules comprises two constructed wetland boxes which are arranged in a stepped manner at high and low positions, and the two constructed wetland boxes are matched with the inlet, the outlet and the filler frame body, so that the underflow filtration of the constructed wetland modules is realized, and meanwhile, the water flow of the surface flow can be guided to flow out of the second constructed wetland box from the first constructed wetland box in an S-shaped flowing manner.
Owner:HOHAI UNIV

Preparation method and application of tara gum-chitosan-polyvinyl alcohol-citral antibacterial preservative film

The invention relates to the technical field of food antibacterial fresh-keeping packaging materials, in particular to a preparation method and application of a tara gum-chitosan-polyvinyl alcohol-citral antibacterial fresh-keeping film. Tara gum, chitosan and polyvinyl alcohol are used as film forming substrates, citral essential oil is added to serve as a multifunctional additive, and a film casting method is adopted for preparation. The raw materials used by the antibacterial preservative film prepared by the invention are safe, non-toxic and biodegradable; moreover, the preservative has good antibacterial property, can effectively inhibit growth and reproduction of microorganisms such as bacteria and molds, prolongs the shelf life, and can be applied to antibacterial preservation of foods.
Owner:GUANGXI UNIV FOR NATITIES

Plasma generator

ActiveCN224385759USolve the problem of low service life such as ablationResist high-frequency airflow impactPlasma technique
This plasma generator belongs to the field of automotive energy-saving equipment technology. The invention includes a base, a negative electrode metal sleeve, an insulating mounting base, and a positive electrode device. The base is an annular structure, with the negative electrode metal sleeve nested inside. The insulating mounting base is mounted on the top of the base, and the positive electrode device is installed at the center of the insulating mounting base and extends into the negative electrode metal sleeve. This invention features an ingenious structural design and quick installation. It can provide combustion assistance to the engine.
Owner:HUANAN COUNTY BAIDING TECHNOLOGY CO LTD

oxygen supply system

ActiveCN224279768USatisfy oxygen enrichment rateincrease oxygenBlast furnace componentsDispersed particle separationThermodynamicsProcess engineering
This utility model belongs to the field of blast furnace oxygen supply technology, specifically relating to an oxygen supply system. The oxygen supply system includes: a pressure swing adsorption (PSA) oxygen generator station; a cryogenic oxygen generator station; a first connecting pipe, one end of which is connected to the PSA oxygen generator station and the other end of which is connected to the blast furnace; and a second connecting pipe, one end of which is connected to the cryogenic oxygen generator station and the other end of which is connected to the first connecting pipe.
Owner:SHOUGANG JINGTANG IRON & STEEL CO LTD

Micro-nano aeration device for aerobic tank of sewage plant

The utility model discloses a micro-nano aeration device for an aerobic tank of a sewage plant, which relates to the technical field of water treatment and is characterized in that a tank plate is mounted on the bottom wall of an aerobic tank body, and a plurality of mounting plates are arranged on the tank plate; the multiple micro-nano bubble generator sets are installed on the multiple installation plates in a one-to-one correspondence mode, each micro-nano bubble generator set comprises multiple micro-nano bubble generators, an air outlet is formed in the upper portion of each micro-nano bubble generator, the bottom of each micro-nano bubble generator communicates with an air conveying pipe, and the other end of each air conveying pipe is connected with an air feeder; the multiple mud blocking plates cover the air outlets of the multiple micro-nano bubble generators in a one-to-one correspondence mode, and the lower end of each mud blocking plate is connected with the mounting plate through an elastic piece so that the mud blocking plates can move up and down. The air outlet is covered with the mud blocking plate, so that when the micro-nano bubble generator set does not work, sediment accumulated on the air outlet is reduced, and normal use of the micro-nano bubble generator is not affected.
Owner:HUNAN YUNZHONG TECH CO LTD

Environment-friendly liquid organic waste aerobic fermentation bin

This utility model relates to an environmentally friendly aerobic fermentation chamber for liquid organic waste, belonging to the field of fermentation equipment technology. It solves technical problems such as the separation of organic waste for fermentation, incomplete fermentation of liquid organic waste, and the generation of odorous gases during fermentation. The environmentally friendly aerobic fermentation chamber for liquid organic waste includes a fermentation chamber and a biological filter. The fermentation chamber contains a solid-liquid separation workshop, a sedimentation tank, an aerobic tank, and a clarification tank. Slide rails are laid along the length of the fermentation chamber on the inner side of the horseshoe-shaped walls on both sides of the sedimentation tank, aerobic tank, and clarification tank. Movable stirring components are installed on the slide rails, allowing them to slide left and right. Filter material is filled into the biological filter to filter odorous gases within the fermentation chamber. This utility model enables solid-liquid separation of organic waste and, through different tanks, ferments the liquid organic waste more completely.
Owner:JILIN FUYANG ENVIRONMENTAL PROTECTION TECH CO LTD

Fertilizer applicator capable of automatically mixing fertilizer

The utility model discloses an automatic fertilizer mixing fertilizer applicator, which belongs to the field of agricultural production and comprises a fertilizer applicator main body, a three-furrow plough is movably arranged on the fertilizer applicator main body, the top of the three-furrow plough penetrates through the fertilizer applicator main body and is fixedly provided with a connecting rod, and the connecting rod is sleeved with a threaded rod in a threaded manner, a cushion block is fixedly connected to the outer surface of the fertilizer applicator body, a first motor is fixedly mounted on the cushion block, the output end of the first motor is fixedly connected with a second gear meshed with the first gear, and a fertilizer spreading mechanism used for mixing fertilizer for fertilization is arranged in the fertilizer applicator body. Through the arrangement of the fertilizer applicator main body, the three-furrow plough, the first motor and the threaded rod, the effects of turning and loosening soil are achieved, oxygen for growth of plant root systems is increased in the soil, the fertilizer spreading mechanism is further added, the effect of applying fertilizer to the soil after the soil is turned is achieved, and the application range is wide. And the situation that the fertilizer only exists on the uppermost layer of the land after the soil is not turned and the fertilizer is applied can be effectively reduced.
Owner:WUHE COUNTY RUYUAN PLANTING PROFESSIONAL COOP

Anti-oxidation transparent high-barrier composite film, preparation device and method

The invention relates to the technical field of composite film preparation, in particular to an anti-oxidation transparent high-barrier composite film and a preparation device and method.The composite film comprises a first outer layer film, a middle layer film and a second outer layer film which are sequentially arranged, and the thickness of the first outer layer film ranges from 25 micrometers to 150 micrometers; the thickness of the middle layer film is 50 microns to 100 microns; the thickness of the second outer layer film is 50 [mu] m to 150 [mu] m; when the first outer-layer film, the middle-layer film and the second outer-layer film are extruded from a co-extrusion die head of a casting machine, ultraviolet rays irradiate the two sides of the middle-layer film, the wavelength of the ultraviolet rays is 350-380 nm, the illumination intensity is 15-25 mw / cm < 2 >, and the irradiation time is 2-8 s. The anti-oxidation transparent high-barrier composite film prepared by the preparation method disclosed by the invention is high in mechanical strength and relatively high in light transmittance.
Owner:SICHUAN PROVINCE XINDU YONGZHI PRINTING CO LTD

Three-stage aeration fishpond structure

ActiveCN222621935Uincrease oxygenImprove oxygen supply efficiencyPisciculture and aquariaSustainable biological treatmentWater sourceEnvironmental engineering
The three-stage aeration fishpond structure comprises a fishpond, a filter, a water pump, an air source, a first jet device and a second jet device, a water source of the fishpond is connected with a water inlet of the filter and a water inlet of the water pump through pipelines, and a water outlet of the water pump is connected with a water inlet of the first jet device and a water inlet of the second jet device in parallel through pipelines. An air inlet of the first jet device is connected with an air source, a water-air mixing opening of the second jet device is connected with a jet opening pipeline of the first jet device, and a jet opening of the second jet device is connected with a backflow opening pipeline of the fishpond. According to the three-stage aeration structure, the oxygen supply efficiency of the fishpond is greatly improved, the improvement of the water body environment can be more effectively facilitated, the growth and reproduction of aquatic organisms are promoted, the culture effect is improved, the accumulation of pollutants is reduced, and the self-cleaning capacity of the water body is enhanced.
Owner:李志峰

Eye care solution for relieving asthenopia and preparation method and application thereof

The invention relates to the technical field of eye care liquid, in particular to eye care liquid for relieving asthenopia and a preparation method and application thereof, and the eye care liquid is prepared from peptide selenium polysaccharide, hyaluronic acid, vitamin B2, oat extract and water. The effective component of the eye mask is peptide selenium polysaccharide, so that the eye mask has a good anti-oxidation effect and can effectively remove free radicals in eyes, protect cell membranes of the eyes and maintain normal physiological functions of optic nerves. Peptide selenium polysaccharide can protect the retina and eye tissues from being damaged by the external environment and blue light, and the eye aging process is delayed. Meanwhile, metabolism of the eyes is promoted, and the normal function and health state of the eyes can be maintained. Eye protection components such as hyaluronic acid, vitamin B2 and oat essence are also added, so that eye functions can be adjusted, and asthenopia can be relieved. The traditional Chinese medicine composition can effectively improve asthenopia, and is suitable for relieving or relieving discomfort such as asthenopia, eye dryness, eye pain and the like caused by overuse of eyes such as work, study, humidification, staying up late and the like.
Owner:TIANJIN DAOHEDE BIOTECHNOLOGY CO LTD

Tail water treatment device for aerobic denitrification nitrogen removal

The utility model relates to the technical field of tail water treatment devices. The tail water treatment device comprises a treatment barrel, the upper end of the treatment barrel is connected with a barrel cover in a clamped mode, the lower end of the left end face of the treatment barrel is communicated with a water inlet pipe, and the outer wall of the upper end of the barrel cover is rotationally connected with an aeration cleaning mechanism. A first filter plate, an aerobic bacteria storage box and a second filter frame are sequentially and fixedly connected in an inner cavity of the treatment barrel from bottom to top, and a fixing mechanism for fixing a filter element is connected to the upper end of the second filter frame in a clamped mode. The first filter plate is further prevented from being blocked, and the tail water treatment effect of the device is guaranteed.
Owner:SHAOYANG UNIV

Feed feeding assembly for shrimp seed breeding

The utility model relates to the technical field of feeding assemblies, and discloses a feed feeding assembly for shrimp seed culture, which comprises a hopper, and a discharge port of the hopper is fixedly communicated with a mounting frame; the mounting frame is provided with a water pumping and material taking mechanism which rotates along with water inflow; a dispersing mechanism driven by the water pumping and material taking mechanism is arranged on the mounting frame and is used for dispersing materials. According to the feed throwing assembly for shrimp seed breeding, the water pumping and feed taking mechanism is arranged, feed is evenly dispersed while being quantitatively discharged, water is pumped to increase oxygen, manpower use is reduced, and feed scattering convenience is improved.
Owner:SHANGHAI YINGFU AGRI TECH CO LTD

A boiler wall-mounted air system with burners arranged on the front and rear walls

ActiveCN224284699UEnsure long-term safe operationincrease oxygenCasings/liningsNon-combustible gases/liquids supplyThermodynamicsCombustor
This application discloses a boiler wall-mounted air supply system for burners arranged on the front and rear walls, including a secondary air duct structure, side air ducts, air boxes, and connecting air ducts installed on the front and rear walls of the boiler; a group of adjacent air outlets are horizontally opened on the water-cooled wall fins of the boiler side walls; one end of each of the multiple air ducts is connected to the secondary air duct structure, and the other end is connected to the air box; the other end of the air box is connected to the connecting air duct, and the connecting air duct is sequentially connected to the air outlets, for forming an air curtain from front to back on the side walls after air is supplied. This application solves the problem of poor corrosion resistance and poor combustion conditions caused by unreasonable air outlet spacing or arrangement in existing systems by opening adjacent air outlets on the boiler side walls to form an air curtain.
Owner:王红雨

Anionic gemini surfactant compounded foam extinguishing agent and preparation method thereof

PendingCN122424546Areduce surface tensionReduce surface tension effects
The application relates to the technical field of fire extinguishing agents, and particularly discloses a foam fire extinguishing agent compounded by anionic Gemini surfactants and a preparation method thereof, which comprises the following components in percentage by mass: 5-15% of anionic Gemini surfactants; 0.5-3% of fluorocarbon surfactants; 3-9% of hydrophilic monomer oligomers; 2-5% of zwitterionic surfactants; 1.0-2.5% of nonionic surfactants; 3-12% of anti-burning agents; 2-7% of cosolvents; and the balance of water. The biodegradable short-chain fluorocarbon surfactants are precisely compounded with anionic Gemini surfactants of specific structures, hydrophilic monomer oligomers and the like, and a preparation process of step-by-step construction is adopted, so that the environmental friendliness is remarkably improved, the performance of the fire extinguishing agent is comprehensively broken through, the water film on the oil surface is ensured to be rapidly spread and rapidly extinguished, the foam covering layer is endowed with super-strong mechanical stability and thermal stability, the anti-reignition time is greatly prolonged, and the purposes of efficient fire extinguishing, long-lasting anti-burning and environmental friendliness are finally achieved.
Owner:CHENGDU KEHENGDA FIRE TECH CO LTD +1

Anti-oxidation transparent high-barrier composite film, preparation device and method

ActiveCN119305282Badjustable thicknessAppropriate flow speedSynthetic resin layered productsCoatings
The present invention relates to the technical field of composite film preparation, and in particular to an anti-oxidation transparent high-barrier composite film, a preparation device and a method. The composite film comprises a first outer film, a middle film and a second outer film which are arranged in sequence, wherein the thickness of the first outer film is 25 μm to 150 μm; the thickness of the middle film is 50 μm to 100 μm; the thickness of the second outer film is 50 μm to 150 μm; when the first outer film, the middle film and the second outer film are extruded from a co-extrusion die head of a casting machine, ultraviolet rays are irradiated on both sides of the middle film, and the wavelength of the ultraviolet rays is 350 nm to 380 nm, and the light intensity is 15 mw / cm 2 Up to 25mw / cm 2 The irradiation time is 2s to 8s. The anti-oxidation transparent high-barrier composite film prepared by the present invention has not only high mechanical strength but also high light transmittance.
Owner:SICHUAN PROVINCE XINDU YONGZHI PRINTING CO LTD

Oxygen inhalation nozzle

ActiveCN224585151USave the wearing processUse oxygen quickly
The utility model relates to portable oxygen generator field especially, it is an oxygen inhalation nozzle that realizes fast oxygen inhalation, the oxygen inhalation nozzle is integrated in hand -held oxygen generator, and the oxygen inhalation nozzle is used for contacting mouth or nose to guide oxygen, including cover body, be equipped with the oxygen inhalation portion that extends to the outside side on the cover body, and the oxygen inhalation portion sets up the oxygen outlet, including branch air pipe, the branch air pipe includes the main air pipe for connecting hand -held oxygen generator and respectively extends to the branch pipe of oxygen outlet, and the main air pipe inner diameter of main air pipe is greater than the branch pipe inner diameter of branch pipe, the utility model is especially applicable to in hand -held oxygen generator.
Owner:SICHUAN QIANLI BEOKA MEDICAL TECHNOLOGY INC

Breathing mask capable of receiving oxygen and measuring pressure

ActiveCN224056414Ureduce noiseImprove your bed partnerRespiratory masksMedicineRespiratory mask
The utility model relates to the technical field of breathing mask equipment, in particular to a breathing mask capable of receiving oxygen and measuring pressure, which comprises a sealing gasket assembly, a frame assembly and a bent pipe assembly which are sequentially and detachably butted and communicated, the bent pipe assembly comprises a bent pipe, an annular silencing part and a buckle cover, a groove part is formed in the bent pipe, a plurality of vent grooves are formed in the inner side of the groove part in the peripheral direction, a hollow cylinder is arranged at the center of the groove part, the annular silencing part is arranged in the groove part, the buckle cover is arranged on the groove part in a buckled mode, and a plurality of exhaust holes are formed in the buckle cover. Exhaled waste gas is exhausted through the vent groove, the annular silencing piece and the exhaust hole in sequence; according to the breathing mask capable of receiving oxygen and measuring pressure, the problems that exhausted waste gas blows a bed accompanying part and noise is generated can be effectively solved, treatment of a patient is facilitated, and meanwhile the comfort of the patient and the bed accompanying part of the patient in the treatment process is improved; and oxygen receiving and pressure measuring functions are added, so that more use requirements are met.
Owner:HUNAN MICOME ZHONGJIN MEDICAL SCI & TECH DEV CO LTD