10results about How to "Increase oxygen" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.