46results about How to "Not easy to extinguish" patented technology

A novel ironing moxibustion apparatus integrating moxibustion and ironing methods. Before and after use, the variation value of grease parameter in a grease-containing moxa processed substance is less than 50% (0.5), wherein the grease parameter is the ratio of length to weight of a grease-containing portion, or is the ratio of grease weight of the grease-containing portion to total weight. In the whole usage period, the grease content of the grease-containing moxa processed substance is stable, thereby greatly reducing operation difficulty and improving user experience and practical curative effect.

The invention discloses a pre-combustion type plasma igniter and an ignition method. The pre-combustion type plasma igniter comprises a shell, an oil conveying pipe, a hydrocyclone, a spark plug and agas channel base. A jetting opening is formed in the upper end of the shell. The hydrocyclone is arranged in the shell and connected with the shell. The hydrocyclone divides an inner cavity of the shell into a pre-combustion chamber and a rectification chamber. The spark plug is arranged on the inner cavity of the shell, penetrates the hydrocyclone and is connected with the hydrocyclone, and thehigh-voltage electrode of the spark plug is located in the pre-combustion chamber. An oil conveying cavity is formed in the shell wall of the portion, corresponding to the pre-combustion chamber, of the shell. The oil conveying pipe communicates with the oil conveying cavity. An atomizing hole is formed in the position, corresponding to the pre-combustion chamber, of the inner wall of the shell and communicates with the oil conveying cavity. The atomizing hole is used for atomizing fuel and then spraying the fuel to the pre-combustion chamber. The gas channel base is arranged at the lower endof the shell, connected with the shell, and used for providing combustion-supporting gas for the rectification chamber. A high-pressure lead of the spark plug penetrates the gas channel base and extends out of the shell. The igniter can ignite mainstream fuel oil in the pre-combustion chamber of an aircraft engine, and the reignition height of the aircraft engine is increased.

The invention provides an arc striking control method and device. The arc striking control method is used for manual arc welding and comprises the steps of judging whether the current arc striking of manual arc welding is within the preset time or not; if not, carrying out arc striking of manual arc welding by the adoption of a first arc striking control mode; and if yes, carrying out arc striking of manual arc welding by the adoption of a second arc striking control mode. The arc striking control scheme disclosed by the invention can improve the arc striking success rate.

The invention relates to a rapid-mixing tubular flame burner with an axial jet function. The burner comprises a burner body and an axial jet device. A cyclone mixing cavity is formed in the burner body. The burner body further comprises at least two airflow inlets communicating with the cyclone mixing cavity in the tangential direction of the cyclone mixing cavity. According to the burner, fuel and an oxidizing agent are injected into the burner from tangential thin-slot inlets evenly distributed in the circumference correspondingly, and backfire and even explosion can be prevented under the conditions that the flow speed is low or the oxygen concentration is high and even pure oxygen exists. According to the burner, a large-density low-temperature unburned gas film is formed on the inner wall of a quartz glass tube through the aerodynamic characteristic, and a flame area inside the quartz glass tube is wrapped, so that heat transfer between flames and the wall surface is reduced, heat loss is effectively reduced, the heat utilization rate is high, a high temperature can be easily obtained, and the flame cutting quality and the yield of nano-particles synthesized through the flames are improved.

The invention discloses a method for increasing the stable combustion limit of gaseous hydrocarbon fuels by femtosecond laser-induced plasma and a device for realizing the method, relating to a method for improving the stable combustion limit of gaseous hydrocarbon fuels and a device for realizing the method. It solves the problems of unstable combustion and easy extinguishment of flames existing in the existing air velocity supercritical combustion system. Method: ignite the mixed gas at the nozzle of the quartz glass circular tube to form a Bunsen burner flame, and make the speed of the mixed gas supercritical; use a femtosecond laser to emit a femtosecond laser beam, and turn the femtosecond laser The beam is focused on the unburned area of ​​the mixed gas to induce the mixed gas to generate plasma, so as to improve the flame stability limit. Device: The gas outlet of the gas mixing tank is connected to the inlet of the quartz glass circular tube; a flame is generated at the top of the quartz glass circular tube, and the femtosecond laser beam generated by the femtosecond laser is focused on the unburned area of ​​the mixed gas. The invention can be widely used in the design of combustion systems with various supercritical airflow speeds.

The invention provides a plasma pressure sensor. The plasma pressure sensor comprises a discharge electrode, wherein the discharge electrode comprises two metal electrodes and two insulating block media arranged on the surfaces of the metal electrodes, and plasma is produced between the two insulating block media by the discharge electrode under the driving of an alternating-current power supply.Meanwhile, the invention provides a plasma pressure sensing system. The plasma pressure sensor and the plasma pressure sensing system can reduce cathodic sputtering, are not affected by mass inertia,have potential of breaking through MHZ high-frequency response, can effectively reduce cathodic sputtering of electrode surfaces and prevent electrode loss.

The present invention relates to an aerosol generating article (100) having a first section (114) including a combustible heat source (102) and an aerosol-forming substrate(104) and a second section (118) including a tubular element (150) defining a recess (152) at one end of the second section(118). The first and second sections (114, 118) are integrally connected at a region of weakness(122) andare separable at the region of weakness. This enables the tubular element (150) to be placed over the combustible heat source(102), after use of the aerosol generating article, such that the combustible heat source is at least partially received in the recess (152) to reduce the ignition propensity of the smoking article. The first section is upstream of the second section when the first and second sections are integrally connected and the tubular element is at least partially open at both of its ends such that air may be drawn through the tubular element. The tubular element is either at thedownstream end of the second section such that the recess forms a mouth end cavity, or is at the upstream end such that the recess forms a transfer element.

The invention discloses a high energy electronic ignition system for a high pressure gas well, which is suitable for igniting an open flow spout in the petrochemical field, especially the open flow field of the gas well (oil well). The high energy electronic ignition system for the high pressure gas well comprises an input power supply and an open flow device, wherein the input power supply is connected with a host machine of an igniter, the host machine of the igniter is connected with an ignition rod by a flame resistant cable, and the ignition rod is fixed above the open flow device by an ignition rod bracket. The high energy electronic ignition system for the high pressure gas well can solve the problem of various ignition modes that ignited fire is easy to be extinguished by spouted water; and the high energy electronic ignition system has the advantages of high reliability, no potential safety hazard and accurate and efficient ignition performance, and the operation of ignition can still be successfully carried out under the adverse environment in the premise that the gas concentration reaches the lower limit of inflammation concentration.

The invention relates to an environmentally-friendly and flame-retardant SBS modified asphalt coating material for a waterproof roll, and a preparation method thereof. The coating material is mainly prepared from, by weight, 100 parts of petroleum asphalt, 18-21 parts of softening oil, 14-16 parts of SBS, 6-8 parts of SBR, 3.0-4.0 parts of nitrile rubber, 10-12 parts of talcum powder, 9-11 parts of ammonium polyphosphate, 4.5-5.5 parts of melamine phosphate, 1.5-2.0 parts of zinc borate, 3.0-4.0 parts of organic montmorillonite, 7-8 parts of magnesium-aluminum hydrotalcite and 0-2.0 parts of an auxiliary agent. The waterproof roll prepared from the SBS modified asphalt coating material has excellent heat resistance, low-temperature flexibility, watertightness, low oil permeability, high cohesiveness, good basic mechanical properties and good thermal aging resistance, meets the waterproof use requirements of buildings, also has excellent fireproof and flame-retardant properties and highlimit oxygen index, belongs to a flame-retardant material, has no molten drop phenomenon, and is safe and reliable.

The invention discloses an elevator button epidemic prevention method. The method comprises the steps that firstly, an elevator button is pressed, specifically, a user takes out a lighter for preventing epidemic from the pocket and presses the elevator button needing to be pressed by using a horizontal rod of a U-shaped metal rod; secondly, disinfection is carried out, specifically, the user leaves the lighter from the elevator button and then presses down a pressing switch, and after the lighter is ignited, high temperature formed by flame performs high-temperature disinfection on the horizontal rod of the U-shaped metal rod to kill bacteria and/or virus, and in the step, the lighter is kept in a burning state for 3-6 seconds; and thirdly, the lighter is retracted, specifically, after thehorizontal rod is cooled, the lighter is contained in the pocket. According to the method, the elevator button can be conveniently pressed, a pressed part can be conveniently, rapidly and reliably disinfected, any part does not need to be discarded and can be repeatedly used, people can conveniently get in and out of an elevator to press the elevator button, no garbage needing to be discarded isgenerated, the propagation path of the elevator button can be completely blocked, and great significance is realized.

The invention discloses an initial section injection method of an injection process of a sintering machine. The method comprises the following steps that materials enter a heat preservation section for heat preservation after being ignited by an ignition furnace device; after heat preservation, the materials are conveyed to a fuel gas injection unit for injecting fuel gas, the starting point of the injection initial section of the fuel gas injection unit is 4-5 min of sintering, and the end point of the fuel gas injection initial section is 5-7.5 min of sintering; the materials pass through the fuel gas injection unit and then enter a fuel gas steam coupling unit, the starting point of a steam injection initial section of the fuel gas steam coupling injection unit is the 8-9 min of sintering, and the end point of the steam injection initial section is the 9-11 min of sintering; and the gas concentration of the gas injection initial section adopts an incremental gradient ratio, and the steam concentration of the steam injection initial section adopts an incremental gradient ratio. The fuel gas injection initial section is within the range, the arrangement is reasonable, the ignition phenomenon is avoided, and the sintering effect is enhanced. The steam injection initial section is within the range, so that the air permeability of a material layer can be improved, the burnup can be reduced, and a formed combustion zone is not easy to extinguish.

The invention provides a discharging device and method applied to an ion source. The discharging device comprises a hollow container and further comprises a discharging needle, a discharging cavity and a power supply, wherein the discharging needle is arranged in the container and comprises a pointed part and a rear part, an axial hole and radial holes are formed in the rear part, the axial hole is communicated with the radial holes, the radial holes are evenly distributed, the discharging cavity is cylindrical and is formed in one side of the discharging needle in the container, the pointed part stretches into the discharging cavity, the axial section of the discharging cavity is composed of two symmetrical sides, the side, adjacent to the axis, of the section is a curve, the discharging cavity is grounded, and the power supply is formed by introducing high voltage between the discharging needle and the discharging cavity. The discharging device and method applied to the ion source have the advantages that stability is high, sensitivity is high, and service life is long.

The invention provides a flow control valve and belongs to the technical field of control valves. Through the flow control valve, the technical problems that the gas flow of an existing combustor is difficult to control and the combustor is not safe in use are solved. The flow control valve comprises a valve body and a front end cover. The outer surface of the valve body is provided with a gas inlet pipe, a gas outlet pipe and an ignition gas pipe. The valve body is internally provided with a spacer block. The spacer block is provided with a first through hole. The gas inlet pipe communicateswith a second containing cavity. The gas outlet pipe and the ignition gas pipe communicate with a first containing cavity. A valve element is arranged in the first containing cavity. The rear end of the valve element is provided with a shaft hole coaxial with the first through hole. The outer surface of the rear end of the valve element is provided with an ignition gas hole and a gas outlet hole communicating with the shaft hole. When the valve element rotates in the first containing cavity, the ignition gas pipe communicates with the ignition gas hole, and the gas outlet pipe communicates with the gas outlet hole. An ignition gas channel and a combustion gas channel supply gas respectively. When the ignition gas channel conducts ignition, the gas supply flow of the ignition gas channel isstable, the ignition efficiency is high, and the ignition process is safe.

The invention discloses an air distribution type disaster reduction device for cabins, compartments and rooms. External air is led to multiplication assisting machines at mouths of people in ships, vehicles or rooms through a plurality of pipelines, carbon dioxide is sent to legs of the people for fire extinguishment, and fire blankets, flexible bags or tough bags are released for protection. A plurality of mouth muffles communicated with the outside enable people to muffle mouths without obstructing nostrils, and each mouth muffle is provided with a check valve for preventing invasion of smoke or water. Long flexible pipes longer than 9m are less prone to being squashed and communicated with portions, communicated with the outside, of some pipelines and further communicated with hard long inhalation tubes. An air inlet end of each long inhalation tube is resistant to blockage and immersion and capable of floating on the water along with a floater, so that people wearing the mouth muffles can also breathe even falling into water. Some floaters are made into large tough bags which are usually hung at the tail of a vehicle in a contracted manner and can be inflated in emergency for prevention of rear-end collision. In addition, multiple flexible bags are usually stacked at a high position in a contracted manner and easy to fall down and automatically expand in a shrinkage prevention manner to buffer for body protection in emergency.

The invention provides a long open fire burner outside an artificial coal gas chamber. The long open fire burner comprises a housing, a coal gas distribution pipe and a base, wherein a coal gas inlet is formed in the middle of the base; the lower end of the coal gas distribution pipe is connected with the coal gas inlet; and a coal gas outlet is radially formed on the side edge of the coal gas distribution pipe. The burner keeps the orange red color of a diffusion flame and a swinging effect of the flame, and has an extremely high wind and rain resistance capability. Under the same heat load,a higher flame can be obtained; therefore, the energy is saved and the consumption is reduced.

The invention discloses a novel burning accompanying device and relates to a diffused burning device. The novel burning accompanying device comprises an annular tube and burners, wherein one circle of burners are evenly arranged on the annular tube, the included angle between the burners and the plane on which the annular tube is positioned is 90 degrees, the annular tube communicates with the inner sides of the burners, the burner openings of the burners all point to the inner side, and heat-resistant stainless steel burners are used as the burners. The novel burning accompanying device is high in flame rigidity, can still be normally used under severe weather conditions, ensures burning reliability, and is long in service life and high in practicability.

A main combustion chamber of an aero-engine based on plasma jet ignition and combustion comprises a combustion outer casing, a flame tube and a plasma jet igniter. The flame tube is located in the outer casing of the combustion chamber, and the plasma jet igniter is located at the upper end of the flame tube, wherein the jet outlet extends into about one-third of the flame tube, and the plasma jet igniter is connected to the inlet end of the combustion chamber through an external thread. The outer casing of the combustion chamber, the flame tube and the plasma jet igniter are coaxial. The present invention is based on a very small aero-engine with plasma jet ignition and combustion. And the weight and volume of the combustion chamber, improve the ignition reliability of the aero-engine combustion chamber, and then improve the performance of the aero-engine.

The invention discloses a cigarette and a preparation method thereof. The cigarette comprises an ignition section, an atomization section and an inlet section. The ignition section comprises a tobaccoleaf part used for generating smoke after being heated; the atomization section is arranged between the ignition section and the inlet section; the atomization section comprises a tobacco substance used for increasing the smoke concentration and diluting harmful ingredients of smoke and a roll paper part wrapping the tobacco substance; the inlet section is used for allowing smoke to pass throughand flow into the mouth of a user; and the ignition section, the atomization section and the inlet section are connected through tipping paper. The preparation method of the cigarette comprises the following steps: obtaining an ignition section, an atomization section and an inlet section; and rubbing or compounding the ignition section, the atomization section and the inlet section through tipping paper. The safety of cigarette smoking can be improved, the body health of a user can be protected, and the cigarette is convenient to use.

The invention discloses a combustor which comprises a combustor body, and is characterized in that the upper part of the combustor body is provided with a primary batch charging chamber and a secondary batch charging chamber, wherein the two sides of the upper part of the combustor body are provided with a through mixing hole; the circumference of the bottom of the combustor body is provided with a plurality of air inlets; the middle part of the combustor body is provided with a fuel supplying port; the fuel supplying port is connected with a fuel gas guiding chassis; the fuel gas guiding chassis is composed of a plurality of air ducts; blowing holes are uniformly distributed on the inner wall of the fuel supplying port; and the blowing holes are communicated with the primary batch charging chamber and the secondary batch charging chamber. The combustor has the advantages that the structure is suitable for solid fuels and gas fuels, the fuels can be fully combusted, and the combustor is good in safety.

The invention discloses a moxa-moxibustion stick for improving organism immunity and a preparation method of the moxa-moxibustion stick. The moxa-moxibustion stick comprises, by weight, 90-100 parts of argy wormwood leaves, 40-50 parts of common cruculigo rhizome extracts, 15-19 parts of mongolian milkvetch root extracts, 0.3-0.4 part of eucommia bark extract and 0.2-0.3 part of modified konjaku powder. The prepared moxa-moxibustion stick has the health care function and is difficult to be fractured and extinguished, less in smoke amount and high in safety, and the burning process is more stable.