224results about How to "Improve ignition success rate" patented technology

The invention belongs to the technical field of fire flooding oil extraction and in particular relates to a thick oil reservoir fire flooding oil extraction combustion-supporting ignition method. The method is implemented by the following steps of: (1) building an injection well on the conventional well network and a plurality of production wells at the periphery of the conventional well network according to oil layer geological information to form an area well network or a row-line type well network, wherein in the row-line type well network, one well row is the injection well and the adjacent well rows are the production wells; (2) injecting high-temperature steam with equivalent weight of 250 to 300 cubic meters of water into the injection well in the step (1) and preheating a ground layer to 210 to 250 DEG C; and (3) at the later stage of injecting the steam, mixing a combustion improver and crude oil according to the weight ratio of the combustion improver to the crude oil of 8.5 to 11.6 percent, injecting the mixture into the ground layer together with the high-temperature steam, and then continuously injecting sufficient air. By the method, the threshold temperature of high-temperature oxidation of the crude oil is greatly reduced and oil is easy to ignite; ignition is easy to implement; the ignition time is shortened; the ignition success rate is high; and construction is performed conveniently.

The invention relates to a crude oil assisted combustion and ignition technique for the fire flooding oil exploitation. With the techniques, high-temperature steam and a combustion additive mainly comprising platinum, palladium and other metal are injected into an oil layer through an injection well, so as to enter a normal ignition course more quickly. The ignition techniques can be implemented easily, the ignition period is short, and the ignition success rate is high. With the techniques, the ignition course can be completed smoothly within a shorter time, which is favorable for the production and operation of fire flooding oil exploitation.

The invention discloses a geometrical variable flame stabilizing device and belongs to the technical field of afterburner flame stabilization of aircraft engines. The geometrical variable flame stabilizing device disclosed by the invention utilizes a V-shape as a basic bluff body structure and consists of a main body part and a transmission power part, wherein the main body part is vertically installed in an afterburner cartridge receiver, the afterburner cartridge receiver comprises a front streamline head part, a blade A with a rotating shaft A, a blade B with a rotating shaft B, a rotating shaft supporting plate and a mounting seat, and the two ends of the streamline head part are fixedly connected between the mounting seat and the rotating shaft supporting plate. The geometrical shape of the flame stabilizing device provided by the invention can be changed to effectively reduce the flow resistance of the flame stabilizing device if necessary, or the flow resistance is increased within a short time to improve the ignition success rate, or the geometrical shape of the flame stabilizing device is adjusted to consistently keep the flame stabilizing device at the optimal combination point of the flame stabilization and flow resistance loss so as to obtain the maximal thrust performance of the afterburner.

The invention discloses a method for controlling an igniter burner of a powered coal pressurized gasifier and provides a method for logic control of an igniter burner of a multi-nozzle counter-position type powdered coal pressurized gasifier. According to the technical scheme, the method comprises the following steps: 1, 'initializing' the igniter burner; 2, 'resetting' the igniter burner in the following way: (1) performing nitrogen sweeping, (2) establishing emptying flows of fuel gas and factory air, and (3) switching on inlet fuel gas and inlet oxygen flow adjusting valves according to a preset valve opening and flow relationship; 3, 'igniting' by the igniter burner in the following way: (1) introducing ignition fuel gas and ignition factory air into the gasifier in sequence and discharging by the igniter, wherein the igniter successfully ignites when a flame detector of the igniter detects a flame signal; (2) introducing heating fuel gas and oxygen into the gasifier in sequence, wherein the ignition of the gasifier is successful when the flame detector detects a flame signal and the hearth temperature of the gasifier is of a rising trend; (3) exiting the igniter and introducing protective nitrogen gas, and (4) switching the fuel gas and oxygen during a heating process; 4 'exiting' the igniter burner; and 5, introducing steam to protect the igniter burner. By adopting the method disclosed by the invention, a logic control scheme and a detection manner are reasonably optimized according to technological requirements of a powdered coal gasification production device, the ignition success rate and security of a water cooled wall gasifier are improved, and the driving time and cost are saved.

The invention relates to an automatic ignition system of a chlorine hydride synthesis furnace and a control method of the automatic ignition system. The automatic ignition system comprises an ignition gun, a flame monitor, a chlorine inlet pipeline, a hydrogen inlet pipeline and a nitrogen inlet pipeline, wherein the ignition gun and the flame monitor are arranged on the side edges of the opening of the chlorine hydride synthesis furnace; the chlorine inlet pipeline, the hydrogen inlet pipeline and the nitrogen pipeline are simultaneously and parallelly connected in series with the bottom of the opening of the chlorine hydride synthesis furnace; the air inlet of the ignition gun is connected in series with an ignition air pipeline; the hydrogen inlet of the ignition gun is connected in series with an ignition hydrogen pipeline; and the input end of the ignition hydrogen pipeline is simultaneously connected with the those of the hydrogen inlet pipeline and the nitrogen inlet pipeline. The automatic ignition system provided by the invention has the advantages as follows the structure is compact; the operation is safe and reliable; the system doesn't need to be in direct contact with hydrogen when the furnace is ignited, can automatically detect and finish the whole ignition process so long as an ignition key is pressed, and thus is very safe and convenient.

The invention relates to an igniting method for a gasification furnace start-up burner. The method comprises the following steps of: before ignition, putting a start-up burner into a hearth of a gasification furnace and purging the start-up burner with nitrogen; and in the ignition process, introducing pure oxygen and diesel into the start-up burner, adjusting nitrogen flow, wherein the pure oxygen flow is 1.15-1.40kg/s, the diesel flow is 0.3-0.45kg/s, and the nitrogen flow is 0.01-0.05kg/s. According to the invention, through introducing certain nitrogen in the ignition process and replacing pure oxygen combustion with oxygen enriched combustion, the phenomenon that the start-up burner is easy to damage because of partial overheating is avoided effectively, and the phenomenon that the start-up burner is damaged by the greater temperature fluctuation of the start-up burner caused by the frequent adjustment of the flow of the fuel diesel in the start-up burner is avoided simultaneously; the ignition success rate of the gasification furnace is improved, the labor intensity is reduced, the production cost is saved, and the maintaining expense is reduced.

The present invention relates to a circulating fluidized bed boiler for incinerating domestic refuse. Said invention includes the following components: boiler furnace body, combustion chamber, air chamber, air-distributing plate, air channel, lighting-up burner, water-cooling separator, superheater, coal-saving device, air preheating device, refuse feeder and fuel/auxiliary material feeder, etc.

The invention relates to an ignition device of a hydrogen chloride synthetic furnace. The ignition device is characterized in that the ignition device comprises a tubular housing, the tubular housing is divided into an in-furnace segment and an out-furnace segment, the in-furnace segment and the out-furnace segment are connected through a flange, and an air connector is arranged on the out-furnace segment of the tubular housing; an electric arc ignitor, a gas pipe and a flame probe are arranged in parallel inside the tubular housing, the flame probe is longer than the gas pipe and the electric arc ignitor, and a thermocouple is installed on the head portion of the flame probe in a sheathed mode; the in-furnace segment of the tubular housing comprises a front sleeve and a rear sleeve, and the front sleeve and the rear sleeve are in threaded connection; a vortex board is arranged between the front sleeve and the rear sleeve in a pressed and fixed mode, the vortex board is of a circular shape, a hole is formed inside the vortex board, six to ten identical arc grooves are evenly distributed in the hole at the same angle, the cross section of each arc groove is formed by two arcs with different radii, the vortex board corresponds to a nozzle of the gas pipe in position, and a check ring is fixedly arranged on the inner wall, on the rear portion of the vortex board, of the front sleeve.

The invention discloses a filled aerogel ICF cryogenic target system which comprises a gold cavity, wherein a pellet is fixed in the center inside the gold cavity through a support membrane; a fusion material is arranged inside the pellet; a laser incident hole is formed in the top of the gold cavity; a thermal mechanical structure is arranged outside the gold cavity; the upper part and the lower part of the thermal mechanical structure are integrally connected through a connecting structure; a cryogenic ring is arranged on the thermal mechanical structure; a thin aerogel layer is arranged on the inner wall of the gold cavity; the cavity of the thin aerogel layer is filled with a filling gas; filling aerogel is arranged at the upper end and the lower end of the thin aerogel layer; the filling aerogel is fixed through fixing membranes; a cavity of the thin aerogel layer between the upper filling aerogel and the lower filling aerogel is filled with the filling gas. Due to existence of the thin aerogel layer and the filling aerogel, gold plasma expansion can be inhibited, the content of the filling gas inside can be reduced, and the influence of natural convection flow can be reduced, so that the temperature uniformity of the temperature of the pellet can be optimized, and the ignition success rate can be increased.

The invention discloses a gas burner with stable flame propagation. A gas burner body comprises a gas input port, a gas spray pipe, a primary damp diffusion cavity and a combustion chamber, which are sequentially connected from bottom to top, wherein the diameter of the gas spray pipe is d1, the diameter of the primary damp diffusion cavity is d2, the diameter of the combustion chamber is d3, the diameter of a flame nozzle is d4, d2 is more than d1 and less than d3, and the d3 is more than d4. An annular cavity body is formed inside the combustion body through a vortex stopping sheet at the inner side of the flame nozzle at the upper end of the combustion chamber; and flame is combusted inside the annular cavity body, and the section area of the combustion chamber is increased relatively to the primary damp diffusion cavity, so that secondary speed-reduction effect on a fuel speed is realized, the ignition success rate is high and the combustion is stable. Furthermore, a gas pressure has wide application range. The gas burner can stably combust in working modes, such as ultralow-speed atmosphere combustion, low-speed Bunsen type combustion, secondary mixing combustion, turbulent flow type combustion, high-speed full pre-mixing combustion, oxygen supply type ultrahigh-speed combustion and the like. The gas burner has the characteristics of small size, combustion stability, high ignition success rate, large burner thermogravimetrical ratio, and simple structure.

The invention discloses a rotation speed synchronizing signal-based spark plug sparking control device. The device comprises a photoelectric encoder and an electric control unit, wherein the photoelectric encoder is arranged on a cam shaft of an engine for acquiring a rotation speed synchronizing signal and a top dead centre signal of the engine and outputting the signals to the electric control unit in real time; and the electric control unit is connected with the photoelectric encoder for counting interruption signals produced by overflowing by using a counter according to the received rotation speed synchronizing signal and top dead centre signal, so that preset periodic sparking of a spark plug of the engine is realized, and a multi-pulse sparking control signal is output to an ignition coil of the spark plug to control the spark plug to perform sparking for several times. The spark plug sparking control device of the invention can prevent ineffective sparking, realize the sparking close to the end point of a compression travel of a working cycle of the engine for several times and has the advantages of high sparking energy, high success rate of ignition and high timing accuracy of sparking, so the device is particularly suitable for spark ignition type natural gas engines requiring high ignition energy and is favorable for broad production and application.

The invention discloses an automatic biomass particle heating stove. According to the automatic biomass particle heating stove, a combustion chamber and a feeding auger are arranged in a spaced mode, a feeding cylinder corresponding to the combustion chamber is arranged at the tail conveying end of the feeding auger, and thus the problem of carbonization of participating fuel in the feeding auger is solved; through the additional arrangement of a control panel, a driving device, a temperature measurement device, a deslagging auger and the like, automatic control over feeding, ignition, deslagging and the air volume is achieved, and automation is achieved; a vertical and tangential bidirectional air inlet mode is adopted, in this way, oxygen-enriched and suspension combustion is achieved, and sufficient fuel is guaranteed; a two-stage dedusting channel is arranged for smoke, in this way, the degree of pollution of exhausted smoke can be lowered, and the environmental friendless effect is achieved; both the deslagging portion and the dedusting portion are arranged in a stove body and are sealed relative to the indoor space when the heating stove operates, and thus indoor cleanliness can be guaranteed when the heating stove is in use; a time-control ignition mode and a temperature-control ignition mode are adopted, and the ignition mode can be selected according to different times; meanwhile, in the temperature-control ignition mode, the success rate of ignition can be greatly increased, the flameout situation can be found in time and ignition can be started immediately.

The invention aims to provide a uniflow differential pressure type plasma ignition nozzlewhich comprises a cathode and an anode, wherein the cathode is mounted in the anode; the cathode and the anode form an inner cavity of a sparking plug; the anode is provided with an air inlet along the circumferential direction; and an injection hole is arranged on the position of the end part of the anode corresponding to the head part of the cathode. According to the invention, the plasma ignition nozzle has the advantages of small flow loss and local loss, high ignition success rate, strong ignition stability, short delay time, simple structure, strong ignition reliability, and relatively low demands on power supply power and the space size in a combustion chamber; in addition, the plasma ignition nozzle is also used for igniting liquid fuel and gaseous fuel and has wide applicability.

The invention relates to a time sequence control method for increasing the ignition success rate of a ramjet. Before ignition, according to different aircraft mach numbers, different working time sequences are set for fuel nozzles. During ignition of a combustion chamber, according to the speed of an aircraft, the fuel nozzles execute corresponding actions according to the time sequences, ignition and stable combustion of fuel are guaranteed, and ignition within the wide mach number range is achieved. After ignition, the state of the combustion chamber is monitored in real time, and whether ignition succeeds or not and whether a flameout fault occurs or not are judged. If ignition fails or flameout occurs, reignition operation is executed, and the ignition success rate of the ramjet is increased. The proper temperature and pressure are key factors for stable combustion of the fuel in the combustion chamber. According to the method, after ignition, the temperature and the pressure of the combustion chamber are detected in real time, when the pressure and the temperature are matched with corresponding conditions, the corresponding matching ignition time sequences are executed, that is, matching control is achieved, stable combustion of the fuel is guaranteed, and the flameout fault is avoided.

The invention relates to a fireworks and firecrackers, in particular to a safe ignition fireworks and firecrackers with electric heating fuze or with powder fuze and electric heating fuze and a manufacturing method thereof. Heating material fuze is directly connected to the powder of the fireworks and firecrackers through the powder fuze or through no powder fuze. After the single fireworks and firecrackers with the electric heating fuze or with the electric heating fuze and powder fuze, a long metal conducting wire is connected to a power supply operation control box by the heating material fuze of the fireworks and firecrackers through connecting points. When the bunchy fireworks and firecrackers are spliced, the electric heating material fuzes of the fireworks and firecrackers are respectively connected to the power supply control box, and the powder fuzes are spliced together along the arranged firecrackers, or the heating material of the heating fuze is connected to the powder fuzes of the fireworks and firecrackers or the naked flame igniting ends of the powder fuzes of the bunchy firecrackers, and a section of powder fuze is also remained outside the connecting points.

The invention discloses an integrated automatic ignition eternal flame lamp. The integrated automatic ignition eternal flame lamp comprises a mixed fuel gas pipe and an ignition pipe, wherein a burning mouth is connected to the upper end of the mixed fuel gas pipe, a flame stabilizing cover and a windproof cover are arranged on the outer side of the burning mouth in sequence, and the bottoms of the burning mouth, the flame stabilizing cover and the windproof cover are supported by a windproof cover bottom plate; the lower end of the mixed fuel gas pipe is connected with an ejector, a fuel gasnozzle and a fuel gas nozzle seat, and the fuel gas nozzle seat is connected with a fuel gas pipe through a pipeline; and the upper end of the ignition pipe is connected with the inlet end, close to the burning mouth, of the mixed fuel gas pipe, the lower part of the ignition pipe communicates with the mixed fuel gas pipe through a flow induction pipe, and an ignition rod is inserted from the lower end of the ignition pipe and seals the lower end of the ignition pipe. According to the integrated automatic ignition eternal flame lamp, built-in ignition is kept, light ignition of the eternal flame lamp is not influenced by external weather conditions, and the air consumption is small; meanwhile, the ignition rod is far away from the burning mouth so as to be prevented from being placed in ahigh-temperature region, so that the service life of the ignition rod is prolonged; and finally, a special air inducing and flame stabilizing structure is matched with a semi-premixed combustion mode,so that flames can still form a stable combustion region on the head part of the eternal flame lamp even under weather conditions of heavy rain and strong wind.

The invention discloses a heat storage type burner used for a radiant tube. The heat storage device is arranged in the radiant tube which is provided with two end parts; the two end parts of the radiant tube are respectively provided with a first burner assembly and a second burner assembly correspondingly; each of the first burner assembly and the second burner assembly comprises a heat storage body; the two end parts of the radiant tube are respectively provided with a first air pipeline and a second air pipeline which are communicated with the radiant tube correspondingly; each of the first air pipeline and the second air pipeline is provided with an air inlet; a reversing valve is connected to the first air pipeline and the second air pipeline; the reversing valve is stopped between a first station and the first air pipeline, and is communicated with the second air pipeline; the reversing valve is communicated with the first air pipeline at a second station, and is stopped between the second station and the second air pipeline; and a gas exhaust pipeline is communicated with the reversing valve. The heat storage type burner disclosed by the invention is high in ignition success rate and is good in combustion stability after ignition; a heat storage body is not liable to damage, heat storage capacity is high, and a waste gas heat utilization rate is high.

The invention relates to a combined type coal water slurry nozzle provided with an ignition device. The combined type coal water slurry nozzle provided with the ignition device comprises an outer sprayer, a middle sprayer, an inner sprayer and a center pipe which are coaxially arranged, wherein an ignition cable is arranged on the outer wall of the center pipe, a hydrocyclone which can form rotary jet is arranged at the front end of the center pipe, an axial through hole is formed in the hydrocyclone, certain shrinkage is formed at the front end of the center pipe relative to the front end of the through hole of the hydrocyclone, part of or all the circumferential edge of the hydrocyclone is contacted with the inner cavity wall of the front end of the inner sprayer; certain retraction is formed in the front end face of the hydrocyclone relative to the end face reference surface of the inner sprayer, so that a premixing cavity B is formed. The combined type coal water slurry nozzle provided with the ignition device has the advantages that functions of an ignition nozzle and a technological nozzle in a gasifier are combined into one, so that the ignition nozzle and the technological nozzle can not be switched again and again in the whole gasification process, and complex operation in the gasification process is simplified; meanwhile, current required for ignition is small, so that the combustible effect on coal water slurry is improved, the ignition success rate is high, and the produced flame is stable.

The invention discloses an oil layer ignition method and device, a storage medium and a processor. The method comprises the steps that oil layer parameters of a to-be-ignited oil layer are acquired, wherein the oil layer parameters at least comprise the oil saturation of an oil layer, the ignition heat required for stable combustion of the to-be-ignited oil layer, the fuel deposition ratio corresponding to the ignition heat and a first corresponding relation used for representing the oil saturation of the oil layer and the fuel deposition ratio; a second corresponding relation used for representing the fuel deposition ratio and the heating rate of the oil layer is acquired; according to the first corresponding relation and the second corresponding relation, a third corresponding relation used for representing the oil saturation of the oil layer and the heating rate of the oil layer is determined; according to the third corresponding relation, it is determined that the heating rate of the oil layer corresponding to the oil saturation of the oil layer is ignition heating rate. The oil layer ignition method and device, the storage medium and the processor solve the technical problem that the ignition of the oil layer with the low oil saturation does not succeed easily.