156 results about "Oxyhydrogen" patented technology

The utility model discloses an oxyhydrogen flame welding and cutting device, which relates to the field of oxyhydrogen flame welding and cutting, and comprises a shell, an oxygen compression bottle and a hydrogen compression bottle are respectively arranged at the lower part in the shell, a partition plate is arranged in the shell, and a conveying pipe is arranged at the bottom of the partition plate. By arranging the dismounting assembly, when the oxygen compression bottle or the hydrogen compression bottle needs to be replaced, the threaded rod can be rotated to move upwards and drive the movable ring to move upwards, the movable ring drives the movable barrel to move upwards, and after the movable barrel is moved out of the air outlet pipe, a worker can take the oxygen compression bottle or the hydrogen compression bottle out of the shell; a new oxygen compression bottle and a new hydrogen compression bottle are placed in the shell, then the threaded rod is rotated in the reverse direction, the movable ring moves downwards, the movable barrel is inserted into the gas outlet pipe, and therefore the oxygen pipe or the hydrogen pipe can be connected with the gas outlet pipe, and the oxygen compression bottle or the hydrogen compression bottle can be rapidly disassembled and assembled in the mode.

The invention discloses a metal shell welding device for oxyhydrogen cutting machine machining, and relates to the technical field of metal shell welding tools. Through cooperation of the mechanical arm and the second electromagnet, the movement and the welding angle of metal plates can be conveniently controlled, and through cooperation of the first electromagnet, the second electromagnet and the storage battery, the magnetic attraction size can be conveniently adjusted according to the weights of different metal plates; the analysis unit judges the position of the adsorption point and generates an adsorption adjustment signal to adjust the position of the connecting seat, so that the metal plate is adsorbed firmly, the position is accurate, the metal plate is more stable in the moving process, and the dislocation condition of the welding position is reduced; accurate adsorption point positioning can guarantee uniform distribution of acting force around adsorption points of the metal plate, damage to the electromagnet and the mechanical arm due to uneven stress is avoided, after stress is uniform, consumed electric energy is less when the electromagnet adsorbs the metal plate with the same weight, and equipment is more energy-saving.

The utility model discloses an oxyhydrogen burner for SOEC, which comprises a cylindrical steam generating device, and the outer wall of the steam generating device is connected with a pure water inlet pipeline and a steam outlet pipeline; a cylinder is sleeved with the steam generating device, the bottom of the cylinder is close to the bottom of the steam generating device, the lowest end of the cylinder is connected with an outlet pipeline, and the outlet pipeline protrudes out of the lower end of the steam generating device. The outer wall of the cylinder body is connected with a flame detection opening; a hydrogen inlet pipeline and an oxygen inlet pipeline are inserted above the outer wall of the barrel; a flame holder, a catalytic grating and a premixing device are arranged in the barrel. Fuel and air can be evenly mixed, combustion is sufficient, and the heat utilization rate is increased.

The invention discloses a process method for manufacturing a quartz filter assembly for a semiconductor. The process method comprises the following steps: separating quartz sand as a base material of a quartz filter through a vibrating screen; pure water is prepared through pure water equipment; then mixing the quartz sand with pure water in proportion; putting the pulped quartz sand into a mold for molding; placing the shaped quartz sand in a mold, and calcining by using oxyhydrogen flame; welding to form a quartz filter assembly; heating and bending a quartz tube section of the quartz filter assembly to a required angle; the invention relates to the technical field of semiconductor preparation, a high-purity quartz filter assembly is developed, introduced gas can be slowly released through holes of the filter to prevent turbulent flow, the purpose of improving the product quality is achieved, semiconductor-grade high-purity quartz sand is adopted for preparation, the purity of silicon dioxide reaches 99.999%, and the purity of silicon dioxide reaches 99.999%. And the high-purity plasma water and the quartz sand are used for pulping, so that impurity pollution is avoided.

An integrated system for power generation and method thereof is disclosed, for generating and utilizing hydrogen gas or oxyhydrogen gas for enhancing fuel efficiency, thereby providing energy efficient power generation. An electricity generation system (402) generates and store an electric current in a battery for processing a gas generator (100) i.e., hydrogen (H2) or oxyhydrogen (HHO) gas generator. In the gas generator (100) an Automatic Transmit Power Control power supply (102) stabilizes power transmission, providing constant current by a current source (104) to an electrolysis setup (106) for generating hydrogen (H2) gas or oxyhydrogen (HHO) gas. A thermostat regulates temperature, and a demister separates steam from the generated gas. A burner (200) combusts the generated gas. A steam boiler (302) converts water into high pressure steam using the generated gas. A steam turbine (304) converts the high-pressure steam into mechanical energy. An electricity generator (306) converts mechanical energy into electrical energy.

A zero-carbon flash reduction ironmaking device comprises a reaction tower, the reaction tower is arranged upside down, a flash reduction area, an iron powder waste heat boiler and a green oxygen preheater are sequentially arranged in an inner cavity of the tower from top to bottom, oxyhydrogen powder entering the tower is subjected to oxyhydrogen combustion, mineral powder green hydrogen absorbs heat and is heated to the high temperature, and all hydrogen reduction reaction is completed before the mineral powder flows out of the flash reduction area. Iron powder is cooled through an iron powder waste heat boiler and a green oxygen preheater, hydrogen steam is cooled through a hydrogen steam waste heat boiler and a mineral powder preheater, and hydrogen water is separated through a cyclone dehydrator and a drying filter. The iron ore concentrate powder with the particle size smaller than 200 meshes falls into a powder bin, the reduction temperature ranges from 1100 DEG C to 1200 DEG C, the time for the ore powder to flow through a flash reduction area ranges from 2 s to 3 s, and the temperature for the ore powder to leave an iron powder waste heat boiler and the temperature for hydrogen steam to leave a hydrogen steam waste heat boiler range from 125 DEG C to 175 DEG C. The invention can be used for flash smelting of iron ore concentrate powder. The invention has the advantages of high waste heat recovery rate, long service life of the furnace lining, low energy consumption and zero carbon emission, and can avoid using the key management object coke ironmaking blast furnace device of the national two-high project.

The oxyhydrogen energy carbonization furnace is characterized in that the oxyhydrogen energy carbonization furnace comprises a furnace body and a steam-water collecting barrel arranged in the middle of the furnace body, a feeding opening is formed in the upper portion of the furnace body, and a water jacket is arranged in the furnace wall of the furnace body; the furnace body comprises a drying bin, a first throat opening, a gasification bin, a carbonization bin and a second throat opening from top to bottom, and further comprises blanking plates arranged at the first throat opening and the second throat opening; an annular oxyhydrogen gas pipeline is arranged in the drying bin, and a plurality of oxyhydrogen fire nozzles are arranged on the annular oxyhydrogen gas pipeline; a permeable layer communicated with the water jacket is arranged on an upper slope of the first throat, and an oxyhydrogen nozzle is arranged on a lower slope of the first throat; and a charcoal outlet is formed below the carbonization bin. According to the scheme, gas-carbon co-production, low energy consumption, high benefit and zero emission of the wooden garbage are realized by using hydrogen and oxygen energy, and waste is turned into wealth. According to the structure, the combustion heat value of fuel gas can be effectively increased, and the purity of the fuel gas is improved.

A hydrogen boiler comprises a self-producing hydrogen system, the hydrogen is produced by electrolysis. A cut off sensor 7.18 is attached to the system to prevent hydrogen leaks and a pressure regulator to keep the gas flow constant. A pressure cut off 7.13 turns off the hydrogen production when the tank is full. A flashback arrestor 8.6 prevents furnace flashback to the main oxyhydrogen production tank 2. The system may be powered by solar panels or standard AC power. The hydrogen is combusted in a furnace 3, which includes a heat exchanger 3.15 connected to the central heating system; heated water is then circulated to the radiators and hot water system. Water produced by the combustion of hydrogen is recovered and returned to the electrolyser. The system may also provide additional hot water systems 9 or a hot air system using a second electrolyser and furnace.

The invention provides a preparation method and device of an optical fiber preform, the preform and an optical fiber. The device comprises a quartz accessory, a first heating furnace, a second heating furnace and a clamp, the first heating furnace can move relative to the quartz accessory so as to heat a sleeve of the quartz accessory, and the clamps are arranged at the upper end and the lower end of the quartz accessory; the quartz accessory comprises a core rod, a core rod tail handle connected with the core rod, a sleeve formed by a quartz tube containing a negative dopant and the core rod, and a sleeve tail handle connected with the sleeve; a medicament chamber is arranged in the core rod tail handle; an air outlet hole is formed in the medicament chamber; the second heating furnace is used for heating the medicament chamber. By means of the device, the doping and melting shrinkage process of alkali metal can be achieved at a time, the preparation efficiency is improved, an oxyhydrogen flame heating process is replaced with a melting process, and the core rod utilization rate is increased.

The invention provides a gas turbine power generation and propulsion integrated system based on hydrogen and oxygen preparation and combustion, and belongs to the technical field of power supply devices. The device comprises an oxyhydrogen storage part, a fuel gas generator, a turbine part and a motor part which are connected in sequence, hydrogen and oxygen fuel stored in the hydrogen and oxygen storage part is supplied to the fuel gas generator for combustion, generated gas is conveyed to the turbine part to push turbine blades in the turbine part to rotate to generate mechanical energy, the turbine blades rotate to drive a motor rotor of the motor part to rotate, the mechanical energy is converted into electric energy through electromagnetic induction, and power generation is achieved. According to the invention, a turbine power generation system formed by the hydrogen and oxygen storage part, the gas generator, the turbine part and the motor part is used for generating power, and the generated power is used for supplying power to satellite airborne equipment, so that the power can be efficiently generated at high speed and high power, and the power can be efficiently and quickly supplied to satellite airborne high-power electric equipment when a target needs to be attacked.

The utility model discloses a dry-type anti-backfire device for hydrogen-oxygen mixed gas, which relates to the technical field of anti-backfire devices and comprises a shell, a cover body is in threaded connection with the inside of the shell, a fire stopping sheet is placed in the shell, a first sealing ring matched with the fire stopping sheet for use is placed in the shell, and a second sealing ring matched with the fire stopping sheet for use is placed in the shell. The surface of the shell communicates with a sleeve, and the interior of the sleeve is slidably connected with a piston rod. According to the anti-backfire device, the fire stopping sheet is mounted in the shell, so that after the anti-backfire device is mounted at one end, far away from an external pipeline, of a pipeline in equipment through the air inlet connector and the pipeline in the equipment is subjected to backfire, flames can be effectively blocked after passing through the fire stopping sheet, and the flames are prevented from entering the hydrogen-oxygen generator; the anti-backfire device can effectively protect the interior of equipment, and the whole anti-backfire device is simple in structure and small in size, can be installed in the equipment for the last fire prevention work of the equipment, and improves the practicability.

The invention relates to the technical field of automobile maintenance, and discloses a hydrogen-energy environmentally friendly carbon removal device. The device comprises a liquid storage tank and an electrolytic tank connected by a liquid inlet pipe, the electrolytic tank being connected to the liquid storage tank by a liquid-gas mixing pipe, the top of the liquid storage tank being connected to a dehydration component by a first gas outlet pipe, and an air pump and a gas outlet passage. The air pump is connected to the dehydration component by the gas inlet pipe; the gas outlet passage transports the hydrogen-oxygen mixed gas from which water has been removed into an automobile engine; the hydrogen-energy environmentally friendly carbon removal device is provided with an air pump. Before the hydrogen-oxygen mixed gas from which water has been removed is introduced into the automobile engine for carbon removal treatment, the air pump transports air into the dehydration component. The air that has undergone water absorption treatment is mixed with the hydrogen-oxygen mixed gas and then transported into the automobile engine. By increasing the oxygen content, the amount of hydrogen in the mixed gas is reduced, thereby avoiding the situation where energy release is restricted during hydrogen combustion due to insufficient oxygen, thereby affecting the cleaning effect of carbon deposits in the engine.

1. The name of this design product: Hydrogen-oxygen machine humidification window. 2. Purpose of this design product: used as an accessory for an oxyhydrogen machine. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention provides a multi-degree-of-freedom cooperative control-based quartz tube and tube cap oxyhydrogen flame automatic seal welding method. The method comprises the following steps of S1, vacuum preparation: fixing a quartz tube loaded with indium phosphide polycrystal materials and a tube cap on a positioning platform for vacuumizing; the three-dimensional coordinates of the quartz tube and the tube cap are obtained through laser scanning, a seven-axis mechanical arm path is generated, and the fitting error is smaller than or equal to 0.05 mm; s3, a preheating stage; s4, a heat sealing stage, wherein the temperature is kept constant after temperature rise, and the circumferential speed of a mechanical arm is 0.8-1.2 rad / s; s5, a slow cooling stage, wherein the temperature is reduced to 700 DEG C, and the moving speed is 8-12 mm / s; and S6, airtightness detection: the standard is less than or equal to 5 * 10 Pa.m / s. The problem of quartz tube and tube cap curved surface welding is solved through four-degree-of-freedom dynamic compensation, thermal field stable control is achieved through gradient gas distribution, the vacuum sealing quality is guaranteed through time sequence interlocking, and the operation reliability is guaranteed through a millisecond-level safety mechanism.

The utility model relates to the technical field of hydrogen-oxygen separation devices, in particular to a hydrogen-oxygen separator washing device which comprises a separator, a partition plate, a connecting cover and a water passing pipe, a communicating pipe is installed on one side of the outer wall of the upper end of the separator in an inserted mode, and a shell is installed on the outer wall of the upper end of the communicating pipe. Partition plates which are distributed in parallel at equal intervals are installed on the inner wall of the shell, first bearings are embedded in the partition plates, a water passing pipe is rotatably installed in the first bearings, a driving shaft is rotatably installed on one side of the upper end of the inner wall of the shell, and a connecting cover is arranged on the outer side of the water passing pipe; an exhaust pipe is inserted into the upper end of the outer wall of one side of the shell, so that the dispersion uniformity of washing liquid in the filler layer is ensured, the absorption effect of the filler layer on alkali mist in gas can be ensured, meanwhile, the use amount of water spraying pipes is reduced, the shielding of a gas flowing path is reduced, and the circulation efficiency of the gas in the shell is improved; and the gas washing efficiency is improved.

To provide a quartz nozzle that can be used for supplying raw material gases and other purposes in a semiconductor deposition device and a method of manufacturing the same.SOLUTION: In a semiconductor deposition device, a quartz nozzle that is fused to the tip of a gas pipe for supplying a raw material gas and used is formed from synthetic quartz. The quartz nozzle 10 includes: a circular nozzle surface 11 with multiple discharge holes 12 formed for discharging the raw material gas; and a skirt portion 13 consisting of a side wall that is upright relative to the nozzle surface 11 on the periphery of the nozzle surface. The inner diameter D1 of the skirt portion 13 is the same as the inner diameter of the gas pipe to which the quartz nozzle 10 is mounted. The end face of the gas pipe made of quartz and the end face of the skirt portion of the quartz nozzle 10 are heated with an oxyhydrogen burner or the like, slightly melted and fused together. By providing the skirt portion in this way, the influence of heating during fusion on the nozzle surface 11 can be suppressed, thereby suppressing influence such as deformation or clogging of the discharge holes 12 due to heating.SELECTED DRAWING: Figure 1

The invention relates to a direct-current pulverized coal burner, in particular to a direct-current pulverized coal burner for a solar coupling SOEC system. The problems that in the prior art, a coal power unit only depends on pulverized coal combustion, the stable combustion effect is poor under the rated load of 20%-30% or below, and combustion is unstable are solved. The catalytic combustion effect is achieved in the combustion process of mixing hydrogen, oxygen and pulverized coal airflow, the hydrogen, the oxygen and the pulverized coal airflow serve as stable ignition heat sources, combustion is rapid, a large amount of heat is released, combustion of the hydrogen and the oxygen activates the temperature, pulverized coal volatile matter is promoted to be separated out, pulverized coal is ignited, combustion is more stable, and combustion efficiency is improved. The stable combustion load and the unburned loss of the combustor can be greatly reduced only by adding a small amount of oxyhydrogen, the temperature level at the initial stage of pulverized coal combustion is improved, long-time low-load efficient stable combustion of the combustor can be achieved, stable combustion of a coal power unit under the rated load of 20%-30% is achieved, and the minimum stable combustion load can be reduced to 15%. The invention belongs to the technical field of combustors.

The invention discloses aluminum-doped opaque quartz glass and a manufacturing method thereof. The manufacturing method comprises the following steps: S1, selecting high-purity quartz sand as a base material; s2, adding an aluminum-containing compound and a pore-forming agent into the high-purity quartz sand selected in the step S1, and fully and uniformly mixing to obtain a mixture; s3, putting the mixture mixed in the step S2 into a mold for shaping; s4, calcining the shaped mixture by adopting oxyhydrogen flame; and S5, naturally cooling after calcining is completed, and demolding to obtain the milky-white opaque quartz glass, so that the milky-white opaque quartz glass has high whiteness and low thermal conductivity, and has high-temperature deformation resistance superior to that of traditional milky-white quartz glass.

The utility model discloses a decarbonizing device of oxyhydrogen energy-saving equipment, which relates to the field of oxyhydrogen energy-saving equipment and comprises a box body, a partition plate is arranged in the box body, a plurality of vent holes are arranged on the partition plate, three electrolytic baths are arranged at the top of the partition plate, exhaust pipes are connected to the tops of the electrolytic baths, and gas guide pipes are arranged at the top ends of the exhaust pipes. And ash removal assemblies are arranged on the two sides of the box body. According to the dust removal device, the dust removal assembly is arranged, when the device needs to be cooled, the motor can be started, the motor works to drive the winding wheel to rotate, the winding wheel can wind the steel wire rope, the steel wire rope can pull the sliding block to enable the sliding block to move upwards, the sliding block can extrude the spring when sliding, and the spring is compressed under stress; and meanwhile, when the sliding block moves, the dust removal plate can be driven to move, so that the dust removal plate does not shield the air inlet hole any more, external air can enter the box body, and heat dissipation is facilitated.

The present invention provides a compact and portable hydrogen-oxygen generator, which comprises a housing, an end cover buckled on the upper end of the housing for gas outlet, and a bottom cover buckled on the lower end of the housing. It is characterized in that: a battery module for power supply, an electrolytic cell module for generating hydrogen / oxygen mixed gas, a water filtration cell for filtering moisture, and a multi-stage filtration baffle for further filtering gas are sequentially arranged in the housing from bottom to top. A flame arrester core is arranged between the top filtration baffle and the gas outlet arranged in the end cover. Among them, the multi-stage filtration baffle is arranged as required according to gas filtration indexes. The present invention uses water as a reaction raw material and inexpensive inorganic salts as an electrolyte, and can directly generate hydrogen / oxygen mixed gas at normal pressure, which is produced immediately when in use and has high safety. The present invention has the characteristics of small volume, light weight, low energy consumption, low cost, safety and no noise, and has a simple structure, strong practicability and portability.

The invention discloses a method and a process for repairing a high-purity quartz crucible, and relates to the field of high-purity quartz material processing. The method comprises the steps of box opening inspection and repairability judgment, cleaning treatment, defect grading judgment, defect removal, oxyhydrogen flame welding repair, dehydroxylation treatment, secondary cleaning and drying, quality detection and qualified product packaging. Reparability judgment has a clear standard, a grinding head with a specific particle size and a polishing solution are used for defect removal, a high-purity material with a matched thermal expansion coefficient is adopted for welding, dehydroxylation is carried out in two stages, and quality detection covers air tightness, roughness and impurity content. The method solves the problems of resource waste, poor repairing quality and the like in the prior art, can effectively recover the performance of the crucible and improve the qualification rate, and is suitable for repairing semiconductors and photovoltaic crucibles.

The utility model provides a gas outlet nozzle matched with an oxyhydrogen breathing machine, which belongs to the technical field of medical instruments and comprises a gas outlet nozzle main body, a quick release mechanism and a sealing mechanism, the gas outlet nozzle main body is connected with the oxyhydrogen breathing machine through the quick release mechanism, and the quick release mechanism comprises a clamping groove, a connecting pipe, a mounting hole, a quick release pin, a quick connector and a reset spring. The clamping groove is formed in the outer side of the air outlet nozzle body, the connecting pipe is arranged on the outer side of the air outlet nozzle body, and the mounting hole is formed in the top of the connecting pipe. Through the arrangement of the quick release mechanism, the connection between the air outlet nozzle and the oxyhydrogen breathing machine is very simple and quick, the spherical design of the quick release pin and the matched use of the quick connector and the reset spring enable the connection and disassembly processes to be easy, and the use convenience is improved; and due to the characteristics of quick connection and disassembly, the equipment is easier to maintain and replace, the operation time is saved, and the working efficiency is improved.

A method for operating a piston engine is disclosed, in which a water dispersion containing a reactant is supplied to the combustion chamber of the piston engine, wherein a heating element is placed in the combustion chamber. A first explosion is triggered by the explosive vaporization of the water contained in the water dispersion, by bringing the water dispersion into contact with the heating element and thereby heating it above its boiling point. A second explosion is triggered simultaneously with or immediately after the first explosion, by heating the vaporized water at the heating element with the reactant to a process temperature, thus causing a first chemical reaction in which gaseous hydrogen is produced. This hydrogen combines with process oxygen present in the combustion chamber, under the influence of the process temperature maintained in the combustion chamber by the heating element, in an oxyhydrogen reaction to form water.The expansive reaction energy generated by the first and second explosions is converted into mechanical kinetic energy by the movement of the piston.

A breathing system of a concentration-adjustable oxyhydrogen generator is used for changing the concentration of gas breathed by an assisted person and comprises an oxyhydrogen supply assist device (13), pure water electrolysis oxyhydrogen manufacturing machines (1 and 1 '), a moist bottle (3) and a hydrogen concentration detector (14). Wherein the pure water electrolysis oxyhydrogen manufacturing machine (1, 1 ') comprises ion exchange membranes (10, 10'), and the two sides of the ion exchange membranes (10, 10 ') are coated with oxidation catalyst layers (100, 100') and reduction catalyst layers (102, 102 ') respectively; a pair of anode metal layers (110, 110 ') and cathode metal layers (112, 112') having pores (114); anodes (120, 120 ') conductively connected to the anode metal layers (110, 110') and cathodes (122, 122 ') conductively connected to the cathode metal layers (112, 112'); the sealed containing body (2, 2 ') of the structure is used for containing the pure water electrolysis hydrogen and oxygen manufacturing machine (1, 1'), and the sealed containing body (2, 2 ') is provided with a water injection hole (20), a hydrogen hole (22, 22') and an oxygen hole (24, 24 '). The moist bottle (3) comprises an oxygen transmission pipe (32), a hydrogen transmission pipe (30), a mixed moist output pipe (34) and a bottle body (36); the mixed moist output pipe (34) is connected to the hydrogen and oxygen supply assistor (13); and one end of the oxygen transmission pipe (32) and one end of the hydrogen transmission pipe (30) are respectively inserted into clean water.

The invention relates to a welding device and a control method thereof.The welding device comprises a furnace body, a heating assembly and a clamping assembly, and the furnace body is provided with a heating cavity; the heating assembly comprises a graphite piece and an electromagnetic coil which are arranged in the heating cavity, and the electromagnetic coil is wound around the periphery of the graphite piece and used for being electromagnetically coupled with the graphite piece so that the graphite piece can emit heat; the clamping assembly comprises two clamping pieces which are oppositely arranged in the first direction, the clamping pieces at least can move in the first direction, and the clamping pieces are used for at least fixing the welding end of the quartz piece in the heating cavity. According to the technical scheme, pollution can be reduced, and the pollution problem caused by direct contact of flames in traditional oxyhydrogen flame welding is solved.

The application discloses a preparation method of an iron-based honeycomb filled circular pipe thin-wall structure reinforced aluminum-based composite material, and belongs to the technical field of metal composite material preparation.The method comprises the following steps: calculating the required mass of metal ingot according to the volume of the filled pore and the density of the aluminum-based solid material; stacking the iron-based honeycomb filled circular pipe thin-wall structure and aluminum ingot into a corundum ceramic boat, with the aluminum ingot above the thin-wall structure; placing the corundum ceramic boat in a high-temperature resistant glass tube; using a vacuum pump to vacuumize the two; then using oxyhydrogen welding to seal the tube; placing the glass tube in a sintering furnace to perform sintering; after sintering is completed, cooling the furnace to room temperature, then taking out the sample, and the iron-based honeycomb filled circular pipe thin-wall structure reinforced aluminum-based composite material is obtained.The method avoids the generation of an oxide layer between the Al / Fe alloy, the obtained composite material interface is complete fusion without obvious boundary, the method is simple and efficient, the excess aluminum-based material can be recycled, and the energy consumption and cost are low.

The present invention provides a hydrogen or hydrogen-oxygen mixed gas storage and supply device. The storage and supply device includes a hydrogen supply pipeline, an oxygen supply pipeline, and a mixed gas transmission pipeline. The hydrogen supply pipeline includes a vacuum pumping pipeline, an evacuation pipeline, a hydrogen filling pipeline, and a hydrogen discharging pipeline. The hydrogen filling pipeline includes: a main hydrogen filling pipeline, and a metal hydride hydrogen storage bottle pipeline connected to the end of the main hydrogen filling pipeline. A metal hydride hydrogen storage bottle group unit is provided at the end of the metal hydride hydrogen storage bottle pipeline; the hydrogen discharging pipeline has its starting end connected to the metal hydride hydrogen storage bottle group unit and its ending end connected to the mixed gas transmission pipeline; one end of the vacuum pumping pipeline is connected to the starting end of the metal hydride hydrogen storage bottle pipeline; one end of the evacuation pipeline is connected to the starting end of the metal hydride hydrogen storage bottle pipeline; the ending end of the oxygen supply pipeline is connected to the mixed gas transmission pipeline. The storage and supply device of the present invention is a hydrogen-oxygen ventilator and a hydrogen inhalation machine using high-safety solid hydrogen storage as the hydrogen source, which can achieve breathing of hydrogen-oxygen mixed gas with different mixing ratios and pure hydrogen breathing.

The invention discloses a batch infrared heating pipe vacuum treatment device and technology, and relates to the technical field of infrared heating pipe vacuum treatment.The batch infrared heating pipe vacuum treatment device comprises a placing frame and a pneumatic conveying mechanism, and the pneumatic conveying mechanism is installed on the side of the placing frame and comprises a conduction assembly installed on the side of the placing frame; the conduction assembly is composed of a vacuum pump, a high-pressure steel cylinder, a gas pipeline and a valve. By designing a multi-station synchronous processing system, batch clamping and continuous processing of the quartz tubes are achieved, a unique gas path switching mechanism is adopted, through a sliding guide mechanism and a specially-designed gourd block structure, efficient switching between the vacuumizing function and the inflation function is achieved, an efficient sealing technology is developed, and the sealing effect is improved. By combining an oxyhydrogen flame torch sealing technology, the sealing reliability and consistency of the quartz tube are ensured.

Provided in the present invention are a method for manufacturing a micro-lens, a micro-lens, and a manufacturing system therefor. The method comprises: enabling a spray head to face a surface to be treated of a micro-lens to be treated; controlling the spray head to spray an oxyhydrogen flame at a preset gas flow rate, and continuously heating said micro-lens by means of the oxyhydrogen flame, wherein the heat transfer thickness during heating covers the height of said micro-lens; and heating said micro-lens to an instantaneous temperature that reaches a glass transition temperature, whereby a micro-nano viscoelastic flow is generated on said surface of said micro-lens and the micro-nano viscoelastic flow then flows under the action of tension and gravity, so that said surface of said micro-lens is polished and shaped. Compared with the prior art, the present invention improves the yield of the micro-lens.

The utility model relates to the technical field of oxyhydrogen breathing machines, and discloses an oxyhydrogen breathing machine convenient to replace a power supply fuse, the oxyhydrogen breathing machine convenient to replace the power supply fuse comprises an oxyhydrogen breathing machine main body and a replacement mechanism, the upper end of a movable block is provided with a convex block, the front side of the convex block is provided with a positioning plate, and the movable block is provided with a power supply fuse. The gas interface is connected with a gas source and equipment, stable supply of hydrogen and oxygen is guaranteed, the fixing plate provides stable support for the fuse replacement mechanism, the correct position of the fuse replacement mechanism is guaranteed, the fastening bolt fixes and locks the fixing plate and the power socket, the stability of circuit connection is guaranteed, the sliding groove provides a track for movement of the replacement mechanism, and a fuse is convenient to quickly replace. According to the oxyhydrogen breathing machine facilitating replacement of the power supply fuse, an innovative replacement mechanism is adopted, a user can quickly complete replacement of the fuse through simple push-and-pull actions without any professional tool, and the maintenance convenience is greatly improved.