153results about How to "Improve combustion stability" patented technology

The invention discloses a rotational flow micro-mixing nozzle with built-in plasma combustion supporting and a micro-mixing combustor. The rotational flow micro-mixing nozzle comprises a tangential rotational flow part, a fuel pipe and a mixing pipe which are coaxially arranged, and plasma combustion supporting exciters arranged on the fuel pipe and the mixing pipe. The plasma combustion-supporting exciter is integrated in the nozzle, the structural design of the micro-mixing combustor can be simplified, and the size and complexity of the micro-mixing combustor are reduced; the plasma combustion-supporting exciter is installed at the top of the mixed gas channel of the rotational flow micro-mixing nozzle, stable adjustment of the combustion process under the variable working conditions can be achieved by controlling opening and closing and the discharge intensity of the plasma combustion-supporting exciter when the load changes, and meanwhile the response speed under the different working conditions is increased; air or an oxidizing agent can be fully mixed with fuel at a specific rotational flow degree through rotational flow air flow generated by the tangential rotational flow component, the combustion range can be widened, and the stable combustion effect under the extreme working condition is enhanced.

A fuel cavity, an air cavity and a combustion cavity are sequentially and coaxially arranged at intervals in a sealed mode from bottom to top, a plurality of nozzle assemblies are fixedly arranged in the air cavity, and the nozzle assemblies are symmetrically arranged relative to the center of the air cavity to form an annular multi-layer array structure; the nozzle assembly comprises an air flow guide component, a tangential rotational flow component, a fuel pipe and a mixing pipe which are coaxially arranged. Through a combined adjusting mechanism of the air flow guide component and the tangential rotational flow component, different rotational flow degrees of a single nozzle can be realized, so that the nozzle adapts to fuels with different properties; according to different working conditions, different air rotational flow degrees can be set for the nozzle assemblies on different layers in a staggered mode, or different air rotational flow degrees can be set for the multiple nozzle assemblies on the same layer in a staggered mode, so that staged coupling combustion of the multiple nozzle assemblies in a large space is achieved, and the purposes of enhancing combustion stability and improving temperature uniformity are achieved.

The invention relates to the technical field of gas turbine engines, and discloses a concentric circle type pure hydrogen combustion micro-mixing combustion chamber head which is characterized in that a combustion bowl is arranged on a secondary hydrogen fuel nozzle, secondary hydrogen fuel realizes stable combustion of hydrogen in a low-working-condition central area on the downstream of the combustion bowl, and a stable low-speed central backflow area is formed on the leeside of the combustion bowl; and the central backflow area ensures good combustion stability of the secondary stage. Main-stage hydrogen fuel sprayed out of the inner ring radial spraying holes and the outer ring radial spraying holes is micro-premixed with incoming flow air, the effect of improving the mixing quality and spatial distribution uniformity of the hydrogen fuel in the premixing process is achieved, and the problem of backfire during combustion of the main-stage hydrogen fuel can be avoided; and meanwhile, a low-speed and relatively-large-scale large annular backflow vortex structure is formed on the leeward side of the V-shaped ring, stable combustion is carried out in the large annular backflow vortex, and therefore the stability and uniformity of main-stage hydrogen combustion are improved, and NOx emission is reduced.

The invention provides an intelligent control gas generator set and a control system, and relates to the technical field of gas power generation. The gas generator set comprises a compression ignition type internal combustion engine, a synchronous generator, an intelligent control box and a plurality of sensors. The intelligent control box comprises a display screen, a data memory, a central processing unit and a unit regulator; the central processing unit is used for receiving collected data of the sensors and processing the collected data to obtain adjustment parameters of the compression ignition type internal combustion engine; the unit regulator regulates the input air flow of the engine, the piston motion state and the rotating speeds of the engine and the synchronous generator according to the regulation parameters; the synchronous generator converts mechanical energy obtained by the engine into electric energy to be output, the operation efficiency and economical efficiency of the gas generator set are improved, emission is reduced, and environment-friendly power generation is achieved.

The invention belongs to the field of flexible peak regulation and carbon reduction of thermal power generating units, and discloses a power station boiler oxygen-enriched hydrogen-ammonia-doped system and a working method thereof.The power station boiler oxygen-enriched hydrogen-ammonia-doped system comprises a boiler, and two combustors on the lower portion of the boiler are micro-hydrogen combustors; a combustion outlet of the micro-hydrogen combustor is connected with a lower hearth of the boiler, the hydrogen main gun is obliquely inserted into the inner side of a pulverized coal air chamber of the micro-hydrogen combustor, the hydrogen ignition gun is located in the middle of the pulverized coal air chamber of the micro-hydrogen combustor, and the hydrogen main gun and the hydrogen ignition gun are both connected with the hydrogen supply system. The boiler is provided with secondary air nozzles above and below each burner, the secondary air nozzle below the lowermost micro-hydrogen burner is arranged as a lower secondary air nozzle, the secondary air nozzle above the lowermost micro-hydrogen burner is arranged as an ammonia-doped secondary air nozzle, and the secondary air nozzle below the lowermost micro-hydrogen burner is arranged as an ammonia-doped secondary air nozzle. The secondary air nozzles above and below the uppermost micro-hydrogen burner are ammonia-doped secondary air nozzles, and ammonia gas inlets of the ammonia-doped secondary air nozzles are connected with an ammonia supply system. The problem of unstable combustion under low load can be solved by combining hydrogen-doped ammonia combustion and air oxygen-enriched combustion supporting.

The invention discloses a natural gas supply device for an industrial furnace, which relates to the technical field of gas supply systems for industrial furnaces, and comprises an annular guide rail which is arranged at the side end of a gas inlet flow regulation and control valve pipe in a sleeving manner and is used for driving an adjusting shaft and an ultrasonic generator to be positioned at the side end of a gas inlet pipeline to carry out ultrasonic frequency emission regulation and control, under the cooperation of the oxygen-containing regulation and control assembly, the oxygen content proportion in the natural gas in the oxygen-containing conveying pipe is rapidly corrected, the precise oxygen content needed by combustion of the industrial furnace is guaranteed, super-uniform mixing of natural gas and oxygen is integrally achieved, the incomplete combustion phenomenon caused by fluctuation of the oxygen content is reduced, and the heating effect and the product quality are improved; and under the cooperation of the ultrasonic adjusting assembly, more complex pipeline impurity conditions can be treated, so that emission parameters and reflection angles of self-adaptive automatic adjustment ultrasonic waves are formed, natural gas conveying is smoother, and therefore the combustion stability and heat efficiency of the industrial furnace are improved.

The invention discloses a pebble coal waste heat utilization system and method of a coal-fired unit coupled heat insulation furnace, and belongs to the technical field of energy utilization and energy conservation. Comprising a heat insulation furnace body, a pebble coal crushing unit, an air supply unit, a diesel oil ignition unit, an ash blowing unit, a high-temperature flue gas mixing unit and an ash slag unit, wherein the pebble coal crushing unit, the air supply unit and the diesel oil ignition unit are connected with the feeding end of the heat insulation furnace body; the ash blowing unit and the high-temperature flue gas mixing unit are connected with the flue gas outlet end of the heat insulation furnace body; and the compressed air unit is respectively connected with the heat insulation furnace body, the soot blowing unit and the air supply unit. Based on the stable combustion characteristic of an adiabatic furnace, pebble coal is crushed and then combusted through the adiabatic furnace, after combustion, the pebble coal is mixed with a hot secondary air system of a pulverized coal furnace through hot flue gas, meanwhile, an effective pebble coal treatment mode and hot secondary air temperature rising are provided, solid waste treatment of a unit is achieved, and the flexibility of the unit is improved.

The invention relates to the technical field of parameter optimization control, and provides a combustion stability optimization control method and system for a gas turbine, and the method comprises the following steps: S1, obtaining target values of a current environment parameter and a stability parameter of the gas turbine; s2, constructing a plurality of data combinations of fuel flow and air flow; s3, pre-estimating a corresponding stability parameter according to the current environment parameter and each data combination to obtain a plurality of pre-estimated values of the stability parameters; s4, selecting the estimated value with the minimum difference with the target value in the plurality of estimated values as the most accurate estimated value, and judging whether the difference between the most accurate estimated value and the target value is smaller than a preset threshold value, if so, executing the step S5, and otherwise, returning to the step S2; and S5, the fuel flow and the air flow of the gas turbine in the next time period are set according to the data combination corresponding to the most accurate estimated value. The combustion stability of the gas turbine can be effectively optimized.

The invention discloses a condenser and flue gas waste heat utilization system for an ammonia power plant, which belongs to the technical field of power generation and comprises a condenser, a condensate pump, a circulating water regulating valve, a liquid ammonia regulating valve, an ammonia regulating valve, a primary flue gas heat exchanger, a secondary flue gas heat exchanger, a water collector, a steam extraction heater, a pure ammonia burner, a boiler, an air pre-heater, a chimney and a steam turbine. A condenser and a liquid ammonia evaporator are integrally designed, the condenser comprises a liquid ammonia cooling area and a circulating water cooling area, liquid ammonia gasification cold energy of an ammonia power plant is used for cooling steam exhausted by a low-pressure cylinder of a steam turbine, the heat exchange efficiency is improved, and the load of a cooling tower is reduced; the tail of the pure ammonia boiler is free of dust removal and desulfurization facilities, waste heat of high-temperature and high-humidity flue gas at the outlet of the air pre-heater is used for replacing steam extraction of a steam turbine to heat condensed water and low-temperature ammonia gas, the generating power of a unit can be increased, secondary condensation of the ammonia gas can be prevented, the combustion stability of the ammonia gas can be improved, and meanwhile a large amount of water in the flue gas can be recycled.

The invention discloses a multistage self-adaptive enhanced mixing device for a solid fuel ramjet engine, which belongs to the technical field of solid fuel ramjet engines and comprises a front flange, a rear flange, an afterburning chamber barrel, a mixing partition plate, a heat insulating layer, a pressure measuring seat and a temperature measuring seat. The front flange and the rear flange are welded with the afterburning chamber barrel, a water pressure test is carried out after welding is completed, the mixing partition plates are bonded to the inner wall of the afterburning chamber barrel through high-temperature-resistant glue, and the mixing partition plates are distributed in a multi-stage mode, are separated through a heat insulation layer and are bonded through the high-temperature-resistant glue. In order to verify the effect of the multi-stage self-adaptive enhanced mixing device for the solid fuel ramjet engine, a pressure measuring point and a temperature measuring point are arranged on an afterburning chamber barrel and a mixing partition plate; according to the multi-stage self-adaptive enhanced mixing device, the combustion efficiency of a solid fuel ramjet can be remarkably improved, and the efficiency is further improved along with the increase of the number of the mixing partition plates.

The invention discloses a thermal power deep peak regulation system and method based on ammonia cracking hydrogen production coupling waste heat deep utilization, and relates to the field of thermal power generation, the thermal power deep peak regulation system comprises a gasifier, an ammonia cracking hydrogen production device, a cooler, a separator, an ammonia storage tank, an ammonia hydrogen storage system, a peak regulation combustor and a boiler. The waste heat of the thermal power boiler is utilized to gasify liquid ammonia to form gas ammonia, the ammonia cracking hydrogen production device utilizes medium-high temperature waste heat or electric energy and an ammonia cracking catalyst to crack part of ammonia gas to generate ammonia-hydrogen-nitrogen mixed gas, and the ammonia-hydrogen mixed gas is obtained through separation of the separator. The ammonia-hydrogen mixed gas and ammonia gas are mixed to generate mixed gas with different ammonia-hydrogen proportions, the mixed gas is stored in an ammonia-hydrogen storage tank, and the ammonia-hydrogen proportions used for the combustor are adjusted according to different loads to maintain stable combustion. Stable combustion of the combustor can be maintained under the low load, deep peak regulation of thermal power is achieved, waste heat of the thermal power can be deeply utilized, and the power generation efficiency is improved.

The invention discloses a liquid slagging boiler with a modular combustion chamber and a peak regulation method, and belongs to the technical field of fire coal consumption reduction of thermal power generating units. According to the method, on the basis of a combustion chamber of an existing liquid slagging boiler, the combustion chamber is divided into four modular combustion chambers with the same size, an independent fuel nozzle and an independent draught fan are installed on the outer side of each modular combustion chamber, so that each modular combustion chamber can be independently used, and in the peak regulation process, according to the peak regulation requirement, the modular combustion chambers can be used independently; and determining the use number of independent combustion chambers. The partition screens and the modular combustion chambers in the boiler are of detachable and splicable structures, so that each modular combustion chamber can be detached from the liquid slagging boiler to be replaced and spliced. According to the boiler, operation of the combustion chamber module can be accurately controlled according to actual load requirements, energy consumption is effectively reduced under the low-load condition, and the combustion efficiency is improved; and when the load is increased, sufficient steam supply is ensured.

The utility model belongs to the technical field of combustion, and particularly discloses a fire grate, a combustor and gas heating equipment. The fire grate comprises an inner shell, an inner core head and a rectification inner core. An injection channel and a first flame channel which communicate with each other are formed in the inner shell, and the upper end of the first flame channel is open; the inner core head comprises a fire hole plate covering an opening in the upper end of the first flame channel, and at least three first fire holes are formed in the fire hole plate in the first direction of the fire row; the rectifying inner core is vertically inserted into the first flame channel, the rectifying inner core and the two side walls, in the first direction, of the inner shell are arranged at intervals, the upper portion of the first flame channel is divided into a plurality of sub-flow channels through the rectifying inner core, and the upper end of each sub-flow channel communicates with the corresponding first fire hole. According to the fire grate, the combustor and the fuel gas heating equipment, the structure of the fire grate can be simplified while the combustion stability is improved, the machining difficulty of the fire grate is reduced, and therefore the cost of the combustor and the fuel gas heating equipment is reduced.

The invention discloses an experimental system for automatically adjusting the content of CeO2 nano fuel oil and an adjusting method, and relates to the technical field of nano fuel control. According to the experimental system for automatically adjusting the content of the CeO2 nano fuel oil and the adjusting method, components of flue gas are analyzed according to an analysis instrument, then the rotating speed of a pump is adjusted according to an analysis result, and then the conveying amount of CeO2 nano metal powder is controlled. According to the experimental system for automatically adjusting the content of the CeO2 nano fuel oil and the adjusting method, control over adding of the content of the CeO2 nano fuel oil can be further improved by considering different burner power ranges and combining comprehensive comparison of the content of CO and the content of HC in flue gas, the combustion efficiency can be further improved, and the combustion stability can be improved.

The invention discloses a vehicle thermal management method, device and system, a vehicle, a medium and equipment, and the method comprises the steps: collecting the external environment temperature of the vehicle, the temperature of mixed air passing through an intercooling heat dissipation branch, and the temperature of cooling liquid of an electric drive assembly, so as to control the operation of an execution part; namely, the electric heat dissipation branch and the intercooling heat dissipation branch are merged into the same cooling loop so as to realize heat transfer between the electric heat dissipation branch and the intercooling heat dissipation branch; and according to the environment temperature, the mixed air temperature and the cooling liquid temperature of the electric drive assembly, an execution part is controlled to ensure the gas temperature before and after turbocharging, so that the combustion stability is improved, the service life of the turbocharging system is prolonged, the starting temperature of an EGR cooler is increased, and low-temperature oil consumption is reduced. And meanwhile, it is guaranteed that the electric drive assembly operates in a better temperature range, so that the power loss of the electric drive assembly at the low temperature is reduced.

The invention provides a hydrogen and ammonia gas mixed combustion device which comprises a combustion chamber, a combustion chamber, a combustion chamber and a combustion chamber, the hydrogen spraying pipe penetrates through the mounting wall, and the output end of the hydrogen spraying pipe is located in the combustion space; the first air spraying pipe is arranged in the hydrogen conveying pipe in a penetrating mode, and the output end of the first air spraying pipe is located in the combustion space and corresponds to the output end of the hydrogen spraying pipe; and the ammonia gas spraying pipe is arranged in the first air spraying pipe in a penetrating mode, and the output end of the ammonia gas spraying pipe is located in the combustion space and corresponds to the output end of the first air spraying pipe. According to the hydrogen and ammonia gas mixed combustion device, the combustion stability of ammonia gas can be improved, the ammonia gas can be combusted more easily under the assistance of combustion-supporting gas, the ignition difficulty of the ammonia gas is reduced, pollutants generated by combustion can be prevented from being increased, and the application range of the ammonia gas serving as carbon-free fuel can be expanded.

The present application belongs to the technical field of internal combustion engine, and particularly relates to a kind of alcohol hydrogen fusion engine precombustion chamber system and its control method.Alcohol hydrogen fusion engine precombustion chamber system includes the engine main body with the main combustion chamber and precombustion chamber being communicated with each other, and also includes methanol supply unit, hydrogen production unit, hydrogen delivery control unit, exhaust gas recirculation unit and main control unit;Main control unit collects engine operating parameters and judges current working condition, and adjusts methanol supply path, hydrogen supply path, precombustion chamber working mode, hydrogen production unit heating mode and on-off state of exhaust gas recirculation unit according to working condition.The present application can realize engine full-condition combustion performance optimization without complex auxiliary device, and also considers cold start reliability, high and low load combustion stability and operation energy efficiency, to improve the whole machine operation reliability and transient response capability.

The utility model provides a hand pressing type moxa cone manufacturing tool, which belongs to the technical field of moxa cone manufacturing, and comprises a bent plate and a straight plate which are mutually hinged through a hinge shaft, the free end of the bent plate extends to form a first pressing handle, and the free end of the straight plate extends to form a second pressing handle; the opposite sides of the first pressing handle and the second pressing handle are respectively provided with a connecting structure; the replaceable forming assembly comprises a female die detachably installed on the first pressing handle through a connecting structure and a male die correspondingly installed on the second pressing handle and provided with a forming through hole. A forming pressure adjusting assembly is arranged on the inner side of the second pressing handle and comprises a fixedly-arranged threaded sleeve and an adjusting rod in threaded connection with the threaded sleeve. The inner side of the first pressing handle is in threaded connection with a discharging ejector pin coaxial with the forming through hole. The moxa manufacturing device is simple in structure and convenient to operate, the moxa manufacturing efficiency and quality can be effectively improved, and market requirements are met.

The invention discloses a superfine pulverized coal and ammonia mixed dual-fuel flameless combustion device which comprises a combustion chamber, primary air spray pipes and secondary air spray pipes, the secondary air spray pipes are used for conveying high-temperature and high-speed oxidant airflow into the combustion chamber, and the primary air spray pipes are symmetrically distributed around the secondary air spray pipes. The primary air spray pipe comprises a conventional pulverized coal spray pipe, an ammonia gas spray gun and a superfine pulverized coal spray pipe which are respectively used for conveying conventional pulverized coal airflow, ammonia gas and superfine pulverized coal airflow into the combustion chamber, and the conventional pulverized coal spray pipe, the ammonia gas spray gun and the superfine pulverized coal spray pipe are coaxially arranged from outside to inside; therefore, a high-temperature combustion area with conventional pulverized coal, ammonia gas and superfine pulverized coal sequentially from outside to inside is formed at an outlet of the primary air spray pipe. According to the low-nitrogen-emission ammonia-coal mixed combustion device, internal and external combustion distribution of conventional coal powder, ammonia gas and superfine coal powder is utilized, a unique combustion mode of flameless combustion is supplemented, accordingly, low-nitrogen emission of ammonia-coal mixed combustion is achieved, and the low-nitrogen-emission ammonia-coal mixed combustion device has the advantages of being simple in structure, convenient to install, low in cost, wide in applicability and the like.

The present invention discloses a low-emission swirl burner for a gas turbine and an operating method thereof. The burner comprises a hollow inner cone and an outer cone which are coaxially arranged. A plurality of swirl blades are arranged between the inner cone and the outer cone. A plurality of inner cone fuel spray hole channels penetrating the inner cone wall are arranged on the inner cone wall. An annular blade fuel spray hole channel is also arranged on the inner cone wall. A plurality of blade fuel spray holes are arranged on each swirl blade, and each blade fuel spray hole is connected to the blade fuel spray hole channel. An air channel is formed in the cavity between the inner cone and the outer cone. The fuel nozzle of the burner is designed in two stages. The first stage is the inner cone fuel spray hole channel on the inner cone wall of the burner. When the load is low, the fuel is sprayed out from the inner cavity of the inner cone through the plurality of inner cone fuel spray hole channels, which can stabilize the flame and control the emission. The other stage is the blade fuel spray hole on the swirl blade. When the load is high, the fuel is sprayed through the blade fuel spray hole, mixed with the air and burned under the action of strong swirl, which can reduce the emission of NOx.

The invention discloses the technical field of gas turbines, particularly relates to a nozzle combustor applied to a combustion chamber of a gas turbine, and aims to solve the problems that in the prior art, the gas turbine is difficult to stably combust at low emission under high-temperature and wide-load working conditions, and meanwhile, the cooling efficiency of a nozzle is relatively low; the nozzle structurally comprises an on-duty stage nozzle, a main combustion stage nozzle, a fuel rectifying plate and a nozzle upper cover plate, wherein the main combustion stage nozzle is positioned on the outer side of the on-duty stage nozzle; a mixture sprayed by the main combustion stage nozzle directly penetrates through a combustion area of the nozzle combustor; the fuel rectifying plate and the nozzle upper cover plate are wrapped to form an upper fuel cavity, the on-duty stage nozzle and the main combustion stage nozzle are communicated with a combustion area of the nozzle combustor through the nozzle upper cover plate, and fuel in the upper fuel cavity is in direct contact with the nozzle upper cover plate for heat exchange.

The utility model belongs to the combustion technical field, specifically discloses a kind of fire, combustor and gas hot water equipment.Fire includes inner shell and inner core piece.Inner shell is surrounded and is formed with the first injection passage and first gas passage of intercommunication, and the upper portion of inner shell has two rectifier vertical board parts that are relatively arranged and spaced apart in width direction;Inner core piece is inserted in the upper portion of first gas passage and has two rectifier board parts that are relatively arranged and spaced apart, and vertical intermediate flow passage is formed between two rectifier board parts, and the lower portion of each rectifier board part is formed with core plate profile stamping in the direction away from each other, and core plate profile stamping is vertically arranged and is in contact with rectifier vertical board part of corresponding side, and the upper end of core plate profile stamping is spaced apart with rectifier board part to form air vent, and the upper portion of each rectifier board part is formed with side flow passage with upper open between rectifier vertical board part, and side flow passage is communicated with air vent of corresponding side.The utility model can reduce the processing difficulty of fire, improve the stability of combustion.

According to the energy-saving system of the coal-fired boiler, when the boiler operates at a low load, part of steam generated during operation of the boiler is used for heating secondary air by arranging the secondary air heater, so that combustion of fuel in a hearth is stabilized, meanwhile, the temperature of flue gas at an outlet of the economizer is increased, and energy is saved. The inlet flue gas temperature of the SCR denitration device can meet the requirement of low-load commissioning; meanwhile, the steam pressure reducer and the sludge drying device are arranged, part of steam generated during operation of the boiler is extracted to be subjected to pressure reduction through the steam pressure reducer to be used for drying the sludge, the dried sludge is input into the boiler to be mixed with pulverized coal for combustion, and the coal combustion cost is saved. According to the device, through cooperative use of the equipment, secondary air can be heated when the boiler is in low load, and the combustion stability of the boiler is improved; and sludge can be blended and burnt under high load, so that the fuel cost is reduced.

The present invention discloses a swirl micro-mixing nozzle and a micro-mixing burner with built-in plasma combustion-supporting. The swirl micro-mixing nozzle includes a coaxially arranged tangential swirl component, a fuel pipe and a mixing pipe, and a plasma combustion-supporting exciter arranged on the fuel pipe and the mixing pipe. The present invention integrates the plasma combustion-supporting exciter inside the nozzle, which can simplify the structural design of the micro-mixing burner and reduce the volume and complexity of the micro-mixing burner; the present invention installs the plasma combustion-supporting exciter on the top of the mixed gas channel of the swirl micro-mixing nozzle, and can control the opening and closing and discharge intensity of the plasma combustion-supporting exciter when the load changes, so as to achieve stable regulation of the combustion process under variable working conditions and improve the response speed under different working conditions; the present invention uses the swirl airflow generated by the tangential swirl component to make the air or oxidant fully mixed with the fuel at a specific swirl degree, which can widen the combustion range and enhance the stable combustion effect under extreme working conditions.

The present invention proposes an intelligently controlled gas generator set and control system, which relates to the technical field of gas power generation. The gas generator set includes: a compression ignition internal combustion engine, a synchronous generator, an intelligent control box and several sensors; the intelligent control box includes a display screen, a data storage device, a central processor and a unit regulator; the central processor is used to receive the collected data of several sensors and process to obtain various adjustment parameters of the compression ignition internal combustion engine; the unit regulator adjusts the input air flow of the engine, the piston movement state and the engine and synchronous generator speed according to the various adjustment parameters; the synchronous generator converts the mechanical energy obtained from the engine into electrical energy output, thereby improving the operating efficiency and economy of the gas generator set, reducing emissions, and realizing green and environmentally friendly power generation.

This invention provides a waste pyrolysis gas combustion device and its combustion method, belonging to the field of waste treatment technology. The invention includes: a shell, foam ceramic balls, a central tube, a preheater, a mixing tube, a co-firing air sleeve, and a flow-dispersing component. This invention uses foam ceramic balls as a heat storage carrier in conjunction with a preheater to achieve stable ignition of pyrolysis gas with low calorific value fluctuations, effectively adapting to the combustion requirements of waste pyrolysis gas with low calorific value and parameter fluctuations, and improving combustion stability. The flow-dispersing component in the mixing tube enhances gas-gas mixing, improving combustion efficiency and pollutant control, increasing combustion completeness, reducing pollutant generation, and optimizing combustion efficiency. The compact structure of the nested central tube and mixing tube with annular slot air intake achieves efficient space utilization and integrated application, realizing precise gas distribution and efficient mixing within a limited space. The overall layout of the device is compact and easy to integrate.

The invention provides an intelligent adjustable turbulent burner system and a control method thereof. Comprising a central air pipe, an adjustable primary air pipe, an inner secondary air pipe, an outer secondary air pipe and a cone expanding body; the adjustable primary air pipe comprises an inner primary air pipe, a rotating pipe and an outer primary air pipe, the rotating pipe is used for driving the outer primary air pipe to be close to or away from the inner primary air pipe, and a bluff body is arranged on the outer primary air pipe; the air supply assembly is used for supplying air to the stable combustion cavity in the expanded cone body; the feeding assembly is used for providing fuel for the stable combustion cavity in the expanded cone body; the detection assembly comprises a combustion state detection unit, a flame shape detection unit, a flame temperature distribution detection unit, a flue gas temperature detection unit and a combustion product detection unit; and the control unit is used for carrying out comprehensive analysis according to parameters input by the detection assembly, generating a control instruction and regulating and controlling the air supply assembly, the feeding assembly and the adjustable primary air pipe.

The present application discloses a domestic waste incinerator and a method for controlling secondary air distribution in a furnace, wherein the angle between the front arch wall surface of the furnace and the horizontal is 25°, the angle between the rear arch wall surface and the horizontal is 35°, a flame folding angle and an ignition burner are arranged on the rear arch, the inlet of the first flue is located in the front middle part of the furnace, the first flue is surrounded by water-cooled walls, the water-cooled walls extend to the middle part of the refractory furnace wall along with the front arch, the rear arch, the side wall and the flame folding angle, a secondary air duct group is arranged at the lower part of the first flue, and the air outlet of the secondary air duct group forms a double elliptical flow field in the first flue. It can be seen that the design method of the secondary air duct of the flue has a stronger anti-interference ability than the double tangent circle, and can still increase the flue gas disturbance, improve the uniformity of the flow field and protect the wall surface from overheating when the combustion conditions change frequently. By increasing the inclination angle of the rear arch and increasing the flame folding angle, the stable combustion effect of the furnace is improved, and the newly-entered garbage is easier to dry, precipitate volatiles, and ignite, thereby enhancing the stable combustion ability of the incinerator.

The utility model provides a kind of for coke oven tail gas combustion device, belongs to tail gas combustion technical field, comprising: combustion chamber, raw gas import, combustion air import, ignition needle, explosion door, first baffle and smoke outlet;Combustion chamber includes inner shell and outer shell, combustion air passage is equipped between inner shell and outer shell, inner shell is equipped with multiple air holes, inner shell is connected with raw gas import, combustion air passage is connected with combustion air import;Ignition needle is embedded in inner shell inside one end, and ignition needle is located above raw gas import;Explosion door is rotatably connected with combustion chamber, and covers in the opening of combustion chamber;The device passes through raw gas first by ignition needle and is ignited to occur first combustion, then fully mixes with combustion air in combustion chamber interior and occurs secondary combustion, to improve combustion efficiency, and after the gas after combustion is guided and shunted, then is discharged through smoke outlet, avoid airflow direct impact smoke outlet, reduce the risk of turbulence generation and smoke outlet blockage.

The invention relates to the technical field of two-stroke fuel oil machines, in particular to a two-stroke fuel oil machine which comprises a machine body provided with an air inlet channel and an air outlet channel, a compression structure is arranged on the machine body and comprises a pump body and a cam unit connected with the pump body, and the cam unit is arranged in the pump body; a first pump body cavity is formed in the pump body, and the cam unit can drive the size of the first pump body cavity to be increased or decreased; the fuel pump further comprises a main oil way balance channel and a main fuel gas mixture conveying channel, one end of the main oil way balance channel and one end of the main fuel gas mixture conveying channel both communicate with the first pump body cavity, and the other end of the main fuel gas mixture conveying channel communicates with the first cavity. The other end of the oil way balance main channel is used for being communicated with an air inlet channel and / or the second cavity, and the problem that in the scavenging process of an existing two-stroke fuel engine, tail gas emission pollution is high is solved.