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215 results about "Oxyhydrogen" patented technology

Oxyhydrogen is a mixture of hydrogen (H₂) and oxygen (O₂) gases. This gaseous mixture is used for torches to process refractory materials and was the first gaseous mixture used for welding. Theoretically, a ratio of 2:1 hydrogen:oxygen is enough to achieve maximum efficiency; in practice a ratio 4:1 or 5:1 is needed to avoid an oxidizing flame.

Oxyhydrogen flame welding and cutting device

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.
Owner:JIANGSU LINGHYDROGEN ENERGY SAVING TECH CO LTD

Safety treatment method for high-flow methane-rich fuel gas of fuel-rich generator

A safety treatment method for high-flow methane-rich fuel gas of a fuel-rich generator comprises the steps that through a low-temperature methane and fuel-rich fuel gas emission ignition performance scaling ground test, an igniter energy value and igniter arrangement position parameters during low-temperature methane and fuel-rich fuel gas emission combustion are determined; and then the oxyhydrogen torch type igniter design and ignition reliability research are carried out, the oxyhydrogen mixing ratio parameter is adjusted, and the oxyhydrogen torch type igniter meeting the optimal igniter energy is created through the similarity principle, so that safe combustion treatment of low-temperature methane and rich combustion gas emission is achieved, and the safety of test bed equipment and testers in the test process is guaranteed.
Owner:BEIJING INST OF AEROSPACE TESTING TECH

Tail afterburning system and method for increasing SCR inlet smoke temperature

The invention discloses a tail afterburning system and method for increasing SCR inlet smoke temperature, the tail afterburning system comprises a boiler and a combustion chamber for mixed combustion of hydrogen and air, an economizer is arranged on a smoke channel of the boiler, a tail flue of the boiler is connected with a smoke inlet of an SCR denitration device, a smoke outlet of the combustion chamber is connected with the tail flue through a third bypass flue, and the third bypass flue is connected with the tail flue through a fourth bypass flue. The combustion chamber is connected with an outlet flue of an air pre-heater of the boiler through a second bypass flue, an induced draft fan is arranged in the second bypass flue, and the induced draft fan is used for feeding smoke in the outlet flue of the air pre-heater into the combustion chamber. The bypass flue and the oxyhydrogen burner are arranged at the tail, afterburning is conducted through the tail burner, hot flue gas obtained after afterburning enters the tail flue to be mixed with low-temperature flue gas, the SCR inlet temperature is effectively increased, it is ensured that SCR is normally put into operation, carbon emission is reduced, and emission control over pollution gas under the low load of a coal-fired unit is effectively achieved.
Owner:XIAN TPRI BOILER ENVIRONMENTAL PROTECTION ENG CO LTD

Metal shell welding device for oxyhydrogen cutting machine machining

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.
Owner:HUNAN SHICHUN HYDROGEN ENERGY EQUIPMENT MANUFACTURING CO LTD

Oxyhydrogen atomizing machine

The utility model discloses an oxyhydrogen atomizing machine which comprises a water storage tank, an electrolytic bath, an oxygen water collector, a hydrogen water collector and two groups of gas path radiators, the water outlet end of the water storage tank is connected with the water inlet end of the electrolytic bath; the electrolyte enables water to be decomposed into oxygen and hydrogen under the action of direct current in the electrolytic bath; the oxygen output end of the electrolytic bath is connected with the water inlet end of the water storage tank through a group of gas path radiators, the oxygen output end of the water storage tank is connected with the oxygen water collector, and dried and cooled oxygen is obtained after separation by the oxygen water collector; the hydrogen output end of the electrolytic bath is connected with the hydrogen water collector through the other group of gas path radiators; and dry and cooled hydrogen is obtained after separation by the hydrogen water collector. The gas path radiator is additionally arranged at the gas output end of the electrolytic bath, gas electrolyzed by the electrolytic bath is pre-cooled and then separated through the water collector, finally, dry and pure hydrogen and oxygen are obtained, and influences on subsequent gas purity, the service life of equipment and safety are effectively avoided.
Owner:GUANGZHOU HEALTH & HEALTH MEDICAL EQUIP CO LTD

Oxyhydrogen burner for SOEC

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.
Owner:XUZHOU PROTON HYDROGEN ENERGY STORAGE IND RES INST CO LTD +4

Process method for manufacturing quartz filter assembly for semiconductor

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.
Owner:LIAONING ADVANCE FOUNDATION SEMICON MATERIAL CO LTD

An integrated system for power generation and method thereof

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.
Owner:SRIVASTAVA SIDDHARTHA

Zero-carbon flash reduction ironmaking device and use method

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.
Owner:CENT SOUTH UNIV

Hydrogen-oxygen fuel cell water temperature control device and method, electronic equipment and vehicle

The invention discloses an oxyhydrogen fuel cell water temperature control device and method, electronic equipment and a vehicle, and relates to the technical field of new energy vehicles. The device comprises an acquisition module, a table look-up module and a control module which are connected with one another, the obtaining module is configured to obtain the environment temperature, collected by the environment temperature sensor, of the vehicle and the current output value collected by the current sensor, and the current sensor is installed at the output end of the hydrogen-oxygen fuel cell. The table look-up module is configured to look up a fan basic opening value corresponding to the temperature and current output value of the environment where the vehicle is located in a two-dimensional parameter table containing the environment temperature and the output current, and the fan basic opening value is transmitted to the control module; the control module is configured to adjust a cooling system of the hydrogen-oxygen fuel cell based on the fan basic opening value so as to control the working temperature of the hydrogen-oxygen fuel cell. By adopting the device, water temperature control parameters can be flexibly adjusted according to actual operation conditions, and the performance and the service life of the fuel cell are improved.
Owner:HAIDRIVER (BEIJING) ENERGY TECH CO LTD

Method for evaluating water holding capacity of bioretention facility

The invention belongs to the technical field of rainwater treatment, discloses a method for evaluating the water holding capacity of a bioretention facility, and aims to effectively evaluate the water holding capacity of the bioretention facility and provide scientific guidance for subsequent construction of the bioretention facility. According to the scheme, the method comprises the following steps: collecting a soil water sample and a rainfall inflow water sample of the bioretention facility; the outflow flow of the bioretention facility in the rainfall event is continuously monitored, and outflow water samples in different time periods are collected; respectively carrying out oxyhydrogen stable isotope detection analysis on the collected soil water sample, the rainfall inflow water sample and the outflow water samples in different time periods; respectively calculating the soil moisture in the effluent water sample at different time periods and the composition proportion of the rainfall inflow water component according to the detection analysis result, and dividing the soil moisture outflow process from the outflow flow; and evaluating the water holding capacity of the bioretention facility according to the soil moisture outflow process.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE +1

Iridium oxide-based catalyst as well as preparation method and application thereof

The invention provides an iridium oxide-based catalyst as well as a preparation method and application thereof. The catalyst includes an oxide of iridium, the oxide of iridium including an oxide of iridium having vacancies; the types of the vacancies comprise iridium vacancies or oxygen vacancies; the iridium oxide includes metastable-phase iridium oxide. The invention also provides an application of the catalyst in an electro-catalysis oxygen evolution reaction. According to the preparation method of the catalyst, an oxyhydrogen flame method is utilized, and vacancy and crystal phase of iridium oxide can be regulated and controlled respectively. The iridium oxide-based catalyst simultaneously contains high-activity defect vacancies and a stable high-activity crystal phase, and has relatively low overpotential and relatively high oxygen evolution catalytic activity when being applied to water electrolysis.
Owner:PETROCHINA CO LTD

Oxyhydrogen energy carbonization furnace

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.
Owner:LIAONING AODONG HYDROGEN ENERGY EQUIP MFG CO LTD

Self producing hydrogen boiler and heating system

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.
Owner:MASON ADAM JAMES +1

Oxyhydrogen combustion-supporting machine for energy conservation and emission reduction of engine

The invention relates to the technical field of oxyhydrogen combustion-supporting machines, in particular to an oxyhydrogen combustion-supporting machine for energy conservation and emission reduction of an engine. According to the technical scheme, the device comprises a shell, an anode rod and a cathode rod are installed in the shell, the shell is provided with an exhaust port, the device further comprises a liquid level compensation component installed in the shell, and the liquid level compensation component controls the volume of the interior of the shell along with the change of the pressure applied to the liquid level compensation component by liquid in the shell. The liquid level compensation component comprises a surge protection mechanism. According to the invention, when the liquid in the shell is reduced, the volume in the shell is reduced, so that the liquid level in the shell can be effectively ensured not to drop, and the contact area between the liquid level and the electrode bar can be ensured not to be reduced; therefore, the contact length of the electrode bar and the electrolyte is not reduced along with the gradual reduction of the liquid in the shell, so that the electrolytic efficiency is not influenced when the liquid in the shell is gradually reduced, and the stability of the electrolytic efficiency is ensured.
Owner:HUNAN CHAOPING TECH CO LTD

Preparation method and device of optical fiber preform, preform and optical fiber

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.
Owner:ZHONGTIAN TECH ADVANCED MATERIALS CO LTD +1

Gas turbine power generation and propulsion integrated system based on hydrogen and oxygen preparation and combustion

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.
Owner:BEIJING INST OF TECH

Dry backfire prevention device for hydrogen-oxygen mixture

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.
Owner:BEIJING JINGYE TECH CO LTD

A hydrogen energy environmentally friendly carbon removal equipment

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.
Owner:BAOJI FENGYUAN KECHUANG EQUIPMENT MANUFACTURING CO LTD

Hydrogen oxygen machine humidification window

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.
Owner:SHENZHEN QINGYULAN ENVIRONMENTAL PROTECTION EQUIPMENT CO LTD

Bubble accumulation prevention device for hydrogen enrichment machine

The invention provides a bubble accumulation prevention device for a hydrogen enrichment machine, and belongs to the technical field of hydrogen enrichment machines. The bubble accumulation prevention device for the hydrogen enrichment machine is provided with an electrolysis electrode, a vibration assembly and a rotating assembly; the vibration assembly is arranged on the lower right portion of the electrolysis electrode, the vibration assembly abuts against the lower wall of the electrolysis electrode, and the vibration assembly is used for vibrating bubbles blocking the periphery of an exhaust hole of the electrolysis electrode to be scattered through vibration; the vibration assembly comprises a first rotating shaft, vibration pieces and clamping holes, the clamping holes are formed in the two sides of each vibration piece, each vibration piece is of a fan-shaped structure, an arc-shaped pit is formed in the side edge of each vibration piece, the number of the vibration pieces is four, the vibration pieces are arranged in the vertical and horizontal directions, and a connecting block is arranged in the center of the four vibration pieces; the problem that in the hydrogen-oxygen mixed gas preparation process, generated bubbles can be accumulated around an electrode, and the operation efficiency of equipment is affected can be solved.
Owner:ZHEJIANG YIGUO INTELLIGENT TECH CO LTD

Quartz tube and tube cap oxyhydrogen flame automatic seal welding method based on multi-degree-of-freedom cooperative control

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.
Owner:ZHONGDI SEMICONDUCTOR TECHNOLOGY (JIANGSU) CO LTD

Hydrogen-oxygen separator washing device

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.
Owner:TIANJIN RONGHAIXIN METAL PROD CO LTD

Quartz nozzle and method of manufacturing the same

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
Owner:KOHOKU KOGYO CO LTD

Method for sampling and detecting concentration of hydrogen and oxygen in nuclear power plant primary loop related container

The invention belongs to the technical field of gas oxyhydrogen concentration detection in nuclear power plant primary loop related containers, and particularly relates to a sampling detection method for gas oxyhydrogen concentration in nuclear power plant primary loop related containers. The in-container gas component confirmation module is used for confirming the current working state of a container which is about to be subjected to gas sampling to detect the hydrogen and oxygen concentration, so as to confirm the main components of gas in the container; the in-container gas sampling module adopts different sampling exhaust paths according to different components of the gas in the container after confirming the main components of the gas in the container; and the in-container gas detection module is used for detecting hydrogen and oxygen concentrations of gas in the container by using an instrument. Risks of internal irradiation, large deviation of measurement results, hydrogen-oxygen mixed explosion, violation of laws and regulations caused by radioactive gas pollution diffusion and the like due to the fact that personnel inhale radioactive waste gas by mistake in a gas sampling and monitoring process in a container are avoided.
Owner:CNNC FUJIAN FUQING NUCLEAR POWER

Direct-current pulverized coal burner for solar coupling SOEC system

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.
Owner:BEIJING YUANSHUO COMBUSTION TECHNOLOGY CO LTD +1

Aluminum-doped opaque quartz glass and manufacturing method thereof

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.
Owner:ZHEJIANG RUNYOU NEW MATERIAL TECH CO LTD

Carbon removal device of oxyhydrogen energy-saving equipment

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.
Owner:JIANGSU LINGHYDROGEN ENERGY SAVING TECH CO LTD

Compact Portable Hydrogen Oxygen Generator

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.
Owner:DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES

Method and process for repairing high-purity quartz crucible

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.
Owner:DONGHAI COUNTY YUANYU SEMICONDUCTOR TECHNOLOGY CO LTD