198 results about "Staged combustion" patented technology

The invention discloses a multi-angle micro-pipe staged combustion rotational flow gas burner, and relates to the technical field of industrial burners and low-nitrogen combustion. According to the low-nitrogen combustor, the problem that the combustion stability and the nitrogen oxide emission control level are difficult to optimize at the same time due to the fact that an existing low-nitrogen combustor cannot achieve fuel uniform distribution on the microscale is solved. The device comprises an on-duty flame system, a main flame system, an air supply channel and a flue gas recirculation structure, the on-duty flame system realizes multi-angle uniform injection of fuel through a multi-angle fuel distribution device to form stable central on-duty flame; the main flame system realizes fuel grading through an inner and outer ring mixing pipe; the flue gas recirculation structure introduces backflow flue gas into the combustion area through the flaring of the mixing pipe and the entrainment opening of the arc-shaped air sleeve, the backflow flue gas is mixed with air or fuel gas, and the combustion temperature and the oxygen concentration are effectively reduced. Through the synergistic effect of staged combustion and flue gas recirculation, the effects of stable combustion, uniform flame and low NOx emission are achieved.

The invention discloses a control method of a combustion system and the combustion system, and belongs to the technical field of combustion control. The control method of the combustion system comprises the steps that fuel gas is controlled to be input into the first-stage combustion module, so that the fuel gas and air in the first-stage combustion module are subjected to mixed combustion, and gas which is not fully combusted enters the second-stage combustion module through flow guide fins; and gas is controlled to be input into the second-stage combustion module, so that the gas is mixed with gas which is not fully combusted in the second-stage combustion module and air in the second-stage combustion module for combustion. According to the control method of the combustion system, the emission amount of harmful gas is reduced, and the combustion heat efficiency of the system is improved.

The invention relates to the technical field of boiler combustion control, in particular to a through-flow boiler ultra-low nitrogen combustion control system based on multistage flue gas recirculation. Comprising a flue gas grading circulation unit; the low-nitrogen combustion regulation and control unit is used for realizing staged mixed combustion of fuel and circulating flue gas, and a staged combustion structure is matched with an air-fuel ratio dynamic regulation technology; the working condition parameter sensing unit is used for acquiring boiler combustion and flue gas state parameters in real time, integrating a multi-source sensor module and constructing a multi-dimensional operation parameter set; and the intelligent cooperative control unit is used for coordinating dynamic control of the ultra-low nitrogen combustion process. High-temperature and low-temperature independent flue gas circulation branches are arranged through the flue gas staged circulation unit, and a staged combustion structure of a main combustion section and a re-combustion section of the low-nitrogen combustion regulation and control unit is combined, so that the problem of non-uniform distribution of a hearth temperature field caused by compact combustion space and dramatic change of a flow field of the through-flow boiler can be solved; therefore, the generation of thermal nitrogen oxides is inhibited.

The application discloses a low-NOx ammonia fuel combustion system based on plasma combustion support X The generated staged ammonia gas combustion system comprises a high-frequency high-voltage power supply, a dielectric barrier plasma generator, a gas distribution system (a blower and an ammonia storage tank), a combustion chamber and a swirler; the dielectric barrier plasma generator comprises a high-voltage electrode, an insulating medium, a swirler and a ground electrode; and the gas distribution system comprises a blower and an ammonia storage tank. The application utilizes dielectric barrier to generate ammonia gas plasma discharge, reduces the difficulty of ammonia gas combustion and improves the stability of ammonia gas combustion; utilizes the swirler to generate rotating airflow and improves the combustion efficiency; utilizes ammonia gas staged combustion to further reduce NOx emission; and the ideal staged ratio is that the volume ratio of ammonia gas plasma to side wall ammonia gas is 20% (10%-30%), so that the ammonia gas plasma can be fully discharged, and the ammonia sprayed from the side wall can also be fully combusted.

A gas turbine unit includes a compressor (2), a turbine (5), a combustor assembly (3), and a fuel supply assembly (4); the combustor assembly (3) includes at least one combustor unit (7); the combustor unit (7) includes a first-stage combustor (8) and a second-stage combustor (9); the first-stage combustor (8) includes a first-stage incinerator (11) and a first-stage combustion chamber (12); the first-stage fuel is an amino fuel; wherein the second-stage combustor (9) includes a second-stage incinerator (13) and a second-stage combustion chamber (14); the fuel supply assembly (4) is configured to supply at least one first-stage fuel to the first-stage incinerator (11) such that the combustion stoichiometry of the first-stage incinerator (11) is unbalanced and there is an excess of first-stage fuel in the first-stage incinerator (11) to obtain unburned first-stage fuel reaching the second-stage incinerator (13).

A aircraft gas turbine engine and operation method, the engine including: a staged combustion system having pilot and main fuel injectors, and operates in a pilot-only range wherein fuel delivers to pilot fuel injectors, and a pilot-and-main operation range wherein fuel is delivered to at least the main fuel injectors. The engine further includes a fuel delivery regulator to pilot and main fuel injectors, which receives fuel from a first and second source containing fuels each with different characteristics. The staged combustion system switches between pilot-only and pilot-and-main range operation when in steady cruise mode, the mode defining a boundary between first and second engine cruise operation range. The fuel delivery regulator delivers fuel to pilot fuel injectors during at least part of the first engine cruise operation with different fuel characteristics from fuel delivered to one or both pilot and main fuel injectors the second engine cruise operation range.

The application relates to the technical field of hydrogen fuel engines and discloses a hydrogen fuel staged combustion unit, a full-ring combustion chamber and an aero-engine. The hydrogen fuel staged combustion unit comprises a shell and a nozzle. An air flow cavity is formed in the shell. A combustion cavity is formed by the shell. The air flow cavity is communicated with the combustion cavity. The nozzle is provided with at least two nozzles. The at least two nozzles are arranged at intervals along the engine axis direction. The nozzle is arranged on the shell. A hydrogen fuel cavity is formed in the nozzle. The first end of the nozzle is adapted to communicate with hydrogen fuel. The second end of the nozzle is arranged in the combustion cavity. A group of injection holes are arranged on the nozzle. The group of injection holes is arranged close to the second end of the nozzle. The group of injection holes penetrates the nozzle to communicate the hydrogen fuel cavity with the combustion cavity. At least two nozzles are arranged along the engine axis direction. The hydrogen gas entering the combustion cavity is mixed with the air in the combustion cavity more sufficiently. The mixing uniformity of the hydrogen gas is improved. The temperature of the combustion cavity is reduced. The emission is reduced.

A combustor assembly (3) for a gas turbine unit (1) comprises at least one combustor unit (7) provided with a liner (16) extending substantially along a combustor axis (B); the combustor unit (7) comprising a first-stage combustor (8) and a second-stage combustor (9), which is arranged downstream the first-stage combustor (8) along the gas flow direction (G); the first-stage combustor (8) comprising a first-stage burner (11), fed with first-stage fuel and first-stage air, and a first-stage combustion chamber (12), where the first-stage fuel is burned; wherein the second-stage combustor (9) comprises a second-stage burner (13) and a second-stage combustion chamber (14); the second-stage burner (13) being arranged downstream of the first-stage combustion chamber (12); the second-stage combustion chamber (14) being fed with hot gas leaving the first-stage combustion chamber (12) and passing through the second-stage burner (13), with dilution air and with a second-stage fuel; wherein the dilution air and the second-stage fuel are injected simultaneously within the second-stage burner (13).

The dual-fuel engine piston capable of reducing methane emission comprises a piston body, a concave pit is formed in the top face of the piston body to serve as a combustion chamber, the top face of the piston body is connected with the side face of the piston body through a flow guide face, and the combustion chamber is communicated with the flow guide face through a plurality of vortex grooves. A set included angle is formed between the vortex groove and the tangent line of the outer circumference of the combustion chamber; according to the utility model, the flow guide surface is arranged between the piston top surface and the piston side surface, so that natural gas in the backlash can be guided into the combustion chamber for combustion, and methane emission is further reduced. A vortex groove is formed in the top face of the piston, natural gas in a side gap passes through a flow guide face to a motion chamber in a combustion chamber and inevitably passes through the vortex groove, airflow is guided by the vortex groove to form a certain vortex in a cylinder, later-stage combustion is accelerated, combustion is more sufficient, and methane emission is further reduced.

The utility model discloses an energy-saving burner with a multi-stage airflow mixing structure, which belongs to the technical field of burners and comprises a gas main pipe, a connecting base communicated with the gas main pipe and a burning head sleeve mounted on the outer side of the connecting base. A gas branch pipe is installed on the connecting base, a gas small hole is formed in the top end of the gas branch pipe, an internal thread is arranged on the inner wall of the gas branch pipe, an ignition hole is formed in the middle of the connecting base, a combustion-supporting pipe is arranged on the outer side of the gas branch pipe in a sleeving mode, and the bottom end of the combustion-supporting pipe is fixedly connected with the connecting base. Small combustion-supporting holes are formed in the side wall of the combustion-supporting pipe in an array mode, so that the problems of scale deposition and rusting in the fuel gas branch pipe can be prevented, pipeline blockage is effectively prevented, meanwhile, the flame jetting range is increased, mixing of fuel and air is promoted in the first-stage combustion area, and sufficient combustion of the fuel can be guaranteed.

The present application relates to the technical field of combustion equipment, and particularly relates to a rotary backflow carbon and steam co-production low-nitrogen combustion equipment and a combustion method, which comprises a combustion furnace assembly, a cracking carbonization furnace and a heat exchanger, the cracking carbonization furnace is connected with a carbonization tail gas recovery pipeline and a cracking gas delivery pipeline, and the combustion furnace body of the combustion furnace assembly is connected with the output ends of the carbonization tail gas recovery pipeline and the cracking gas delivery pipeline; the combustion furnace body is internally provided with a first-stage combustion zone and a second-stage combustion zone, and the first-stage combustion zone is located in front of the second-stage combustion zone. x The present application generates the source of NO x xidation (NO x ) emission without relying on complex end denitration equipment, and easily meets the environmental protection emission standard; meanwhile, the carbonization tail gas and the boiler tail gas are both used in the system, so that the amount of directly discharged tail gas is reduced.

1. Name of the product in this design: Complete set of equipment for two-stage combustion technology. 2. Purpose of this design: for waste incineration. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 2. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

The invention discloses a subcritical boiler energy efficiency optimization method based on a multi-stage combustion technology, and belongs to the field of boilers, and the method comprises the following steps: S1, system construction: constructing a subcritical boiler energy efficiency optimization system based on the multi-stage combustion technology, the system comprises a main combustion zone combustor, a reduction zone combustor and a burnout zone combustor which are arranged in a layered manner along the height of a hearth, a matched air powder conveying system and an intelligent control system integrated with a multi-dimensional sensor array are adopted, and all combustors are designed in a differentiated structure so as to meet the requirements of corresponding combustion stages. According to the subcritical boiler energy efficiency optimization method based on the multi-stage combustion technology, through staged combustion design, high-concentration pulverized coal injection and tertiary air disturbance intensified burnout are combined, the fuel burnout rate is greatly increased, and mechanical incomplete combustion heat loss is reduced; meanwhile, the heat absorption efficiency of the heating surface is optimized through dynamic regulation, smoke exhaust loss is reduced, and the boiler heat efficiency is comprehensively improved.

The invention relates to the technical field of combustion, in particular to a staged combustion device of a plasma combustion system, which comprises a plasma combustor connecting pipe, and a treatment assembly for treating impurities in hot air flow is arranged on a fixed arm. In the normal combustion and gas production process of the staged combustion device of the plasma combustion system, when hot airflow containing iron oxide solid particles flows through the pulverized coal inlet pipe, the movable bolt and the treatment table drive the scraper to continuously rotate along the surface of the filter disc, and the iron oxide solid particles remaining in the hot airflow can be accurately intercepted; the turbine blades are prevented from being impacted by high-speed hot air; when the cleaning operation is carried out during equipment shutdown or low-load operation, the scraper generates periodic vibration under the action of jacking of the starting contact strip and reset of the spring, particles clamped in meshes of the filter disc are effectively loosened and discharged, blockage is avoided, and the dual functions of protection in operation and blockage clearing after shutdown are achieved.

The utility model discloses combustion waste gas multistage purification equipment which comprises a spraying purification box, the two sides of the spraying purification box are connected with a smoke inlet pipe and a gas outlet pipe in a penetrating mode respectively, the side, away from a first filter box, of the smoke inlet pipe is fixedly provided with the first filter box, and an anti-blocking assembly is arranged in the first filter box. A dust collection box is fixedly mounted at the bottom of the first filter box, and a second filter box is fixed to the side, close to the air outlet pipe, of the spraying purification box through a mounting plate. When the multi-stage purification equipment for the combustion waste gas is used, the waste gas entering the spraying purification box is filtered through the interior of a first filter box, the waste gas is conveniently filtered through an arranged anti-blocking assembly, the output end of a motor rotates to drive a reciprocating lead screw to rotate, and then a brush is driven by a sliding block to move up and down on the surface of a filter screen plate; and the surface can be brushed conveniently, and the filter screen plate can be prevented from being blocked by impurities.

The invention discloses a double-flow-channel combustion chamber and a rocket-based combined power engine. The problem that a combustion chamber cannot stably work in a wide range in a high-performance mode is solved. The first flow channel is provided with a first isolation section and a first combustion chamber, and a first flame stabilizer is arranged on the side, close to the first isolation section, of the first combustion chamber; the second flow channel is provided with a second isolation section and a second combustion chamber, a second flame stabilizer is arranged on the side, close to the second isolation section, of the second combustion chamber, the first flame stabilizer and the second flame stabilizer are both used for injecting fuel, the second flow channel is parallel to the flowing direction of the first flow channel, and the expansion ratio of the second flow channel is larger than or equal to that of the first flow channel; the first combustion chamber and the second combustion chamber communicate with the second-stage combustion chamber, and the expansion ratio of the first flow channel and the expansion ratio of the second flow channel are both smaller than the expansion ratio of the second combustion chamber. The power device communicates with the second-stage combustion chamber, and the jetting direction of the power device inclines towards the flowing direction of the second flow channel and is used for jetting high-temperature wake flow into the second-stage combustion chamber.

The application discloses a large-length-diameter-ratio rotor structure with a separated turbine, comprising a four-stage fan, a two-stage front turbine, a single-stage rear turbine, four bearing supporting points, a connecting structure and the like. A 1-2-1 four supporting point supporting scheme is adopted, and an intermediate supporting point is additionally arranged at the front turbine to control the bending deformation of the large-length-diameter-ratio rotor. Meanwhile, the two-stage front turbine in the middle section of the rotor is designed as an integrated ring cavity structure, the structure angular rigidity is enhanced, and the overall gyroscopic moment effect is exerted. The front turbine and the rear turbine are connected with the rotor shaft through a large-space double-centering-face stop mouth-toothed sleeve connection, the bending moment bearing capacity is improved, the gyroscopic moment of the wheel disc is fully applied to the shaft section, the rotor resonance speed safety margin is improved, and the bending deformation is controlled. The application is the first rotor structure proposed for a new engine with an inter-stage combustion chamber, and meets the dynamic design requirements of the rotor with the characteristics of the multi-stage separated turbine and the large-length-diameter ratio.

The invention relates to the technical field of biomass particle combustion equipment, and discloses a biomass particle firewood kiln device which comprises a furnace body bearing base assembly, a detachable supporting assembly is arranged at the upper end of the furnace body bearing base assembly, a main combustion assembly is arranged at the upper end of the detachable supporting assembly, and the main combustion assembly comprises a particle main combustion chamber. A columnar combustion channel is arranged at the upper end of the particle main combustion chamber, rotary combustion assemblies are symmetrically arranged on the two sides of the particle main combustion chamber, each rotary combustion assembly comprises lateral circulation combustion chambers which are symmetrically arranged, and flow guide cavities are formed in the lateral circulation combustion chambers. Biomass particle fuel is fully burnt out, clean burning is achieved, and meanwhile the heat utilization efficiency is improved; the modular detachable structure is adopted, rapid assembly and flexible deployment are facilitated, the requirements of multiple scenes are met, and the installation, maintenance and relocation cost is reduced.

The present application relates to a kind of multi-burner blast furnace slag powder suspension calcining system, including suspension calciner, cyclone separator and grading tank, combustion-supporting gas passes into the lower end of grading tank and the lower end of suspension calciner by shunt box, slag powder is injected from the upper end of grading tank, the upper end of suspension calciner is communicated with cyclone separator inlet, multiple burners arranged in upper and lower and multiple feeders arranged in upper and lower are equipped in suspension calciner, feeder includes feed box and the feed pipe that is communicated feed box and grading tank, the lower end of the feed box is opened with feed opening, the present application realizes grading and burns, more beneficial to material dispersion, uniform distribution and furnace temperature control, increase the mixing of material and fuel, improve the fuel burn rate, reduce the heat consumption of system.Quantitative adjustment can be carried out according to overall operation and each index, fine control, provide the possibility for large space low nitrogen calcination, effectively reduce the content of NOx in export exhaust gas, reduce the generation of harmful substances, realize ultra-low emission, save cost.

The utility model provides a fuel staged combustion denitration device, which belongs to the field of staged combustors and comprises a combustion bin, a furnace body, a feeding pipe, a flue gas bin, an air pipe and a scattering bin, the furnace body is fixedly connected to the top of the combustion bin, the feeding pipe is fixedly connected to the outer wall of the furnace body, the flue gas bin is arranged on the outer wall of the combustion bin, and the scattering bin is arranged in the furnace body. The air pipe is fixedly connected to the outer wall of the furnace body, the scattering bin is fixedly connected to the outer wall of the furnace body, a smashing assembly is arranged on the outer wall of the combustion bin, a screening assembly is arranged on the outer wall of the combustion bin, and the smashing assembly comprises a smashing bin, a conveying pipe, a funnel, a supporting plate, an inclined rod, a motor, a transmission belt and smashing rollers. According to the grading burner, after raw materials enter the smashing bin through the funnel, the motor can drive the smashing roller to rotate through the transmission belt by controlling operation of the motor, so that the raw materials are smashed, and the problem that an existing grading burner cannot process large-particle fuel is solved.

The invention relates to the technical field of coal clean combustion, and discloses an ammonia-doped combustion cross-megawatt ammonia coal intelligent mixed combustion process system and method, and the system comprises a hearth, a multi-channel combustor, an auxiliary ammonia spraying system, an air grading system, a flue gas monitoring system and an intelligent control system; the method comprises the following steps that firstly, pulverized coal and a first path of ammonia gas flow are injected through a multi-channel combustor to form a main combustion reduction area so as to inhibit nitrogen; and then a second path of ammonia gas flow is injected downstream for denitration, and graded over-fire air is supplied to ensure complete combustion. The intelligent control system monitors flue gas at the outlet in real time and dynamically adjusts the distribution proportion and the graded air volume of two paths of ammonia gas, and collaborative optimization control over the combustion process is achieved. Through fuel and air classification and intelligent control, dual roles of fuel and a reducing agent of ammonia are decoupled, efficient stable combustion and low-nitrogen emission under high-proportion ammonia doping are cooperatively achieved, and the technical bottleneck of mutual restriction of stable combustion and denitration is solved.

A gas turbine engine includes a staged combustion system having pilot fuel injectors and main fuel injectors. A fuel delivery regulator controls delivery of fuel to the pilot and main fuel injectors, receives fuel from a first fuel source containing a first fuel having a first fuel characteristic and a second fuel source containing a second fuel having a second fuel characteristic. In a transition range of operation between the pilot-only and the pilot-and-main ranges of operation, fuel is delivered to both the pilot and main fuel injectors at a transition staging ratio different from the pilot-and-main staging ratio. The fuel delivery regulator delivers fuel to one or both the pilot and main fuel injectors during the transition range of operation having a different fuel characteristic from fuel delivered to one or both the pilot and main fuel injectors during at least part of the pilot-and-main range of operation.

The utility model provides a staged burner and a steam coil thereof. The steam coil pipe comprises a water inlet pipe, a heated coil pipe and a steam ejection ring pipe which are sequentially connected, the heated coil pipe is spiral, the diameter of the inner ring contour of the steam ejection ring pipe is larger than that of the outer ring contour of the heated coil pipe, and a plurality of steam outlet holes are formed in the steam ejection ring pipe. Water enters from a water inlet pipe of the steam coil pipe to cool primary flame combusted in the fire protection barrel, local high temperature is prevented, NOx emission of a primary combustion area is reduced, meanwhile, steam generated by heating is sprayed out from a steam outlet hole of the steam spraying ring pipe, and the steam and secondary air participate in secondary combustion after being mixed in a secondary air shell. OH and H groups generated by decomposition of the water vapor can be subjected to chain reaction with CO generated by primary combustion, the reducing atmosphere is enhanced, NO in-phase reduction reaction is facilitated, meanwhile, H and OH free radicals generated by dissociation of the water vapor can inhibit oxidation of HCN to NO, and the generation amount of NO is reduced under the combined action of the H and OH free radicals and the CO free radicals.

This invention provides a combustion chamber head device and ignition method for a pure hydrogen gas turbine. It relates to the field of gas turbine combustion chamber design, solving the problem of unreliable ignition in existing pure hydrogen combustion chambers. The device includes: a fuel distribution component, a multi-cluster burner, and a base; the multi-cluster burner includes a central combustion cluster and multiple interconnected combustion clusters surrounding the central combustion cluster; the multiple interconnected combustion clusters are divided into N-stage combustion chambers; the fuel distribution component includes a central fuel pipe and N-stage interconnected fuel pipes; each stage of interconnected fuel pipes is isolated from each other and from the central fuel pipe; the central fuel pipe is connected to the top of the central combustion cluster; each stage of interconnected fuel pipe is connected to the top of its corresponding combustion chamber; the bottom ends of the central combustion cluster and the N-stage combustion chambers are respectively connected to the base. This invention provides reliable start-up, stable operation, and low emissions over wide loads, achieving multi-cluster interconnection and reliable flame propagation, significantly improving ignition success rate and combustion stability.

A value-moving deviation method for acquiring cycle-stage combustion parameters of an engine based on multiple sensing signals includes: with prior values of combustion feature parameters under each piece of working condition information as a reference, reconstructing combustion feature parameter values based on signal features acquired by sensors of the engine, and calculating deviations between the combustion feature parameter values and the prior values and weights of the deviations; obtaining a fusion deviation of the combustion feature parameters as a transient fluctuation amount of the combustion feature parameters; correcting, based on the value-moving deviation method, the prior values according to the obtained transient fluctuation amount, so as to obtain actual values of the combustion feature parameters of a current cycle of the engine; and updating, according to a Weber equation, a combustion heat release rate curve to obtain each piece of transient combustion parameter information under a current working condition.

This invention provides a simulated external circulation reactor system and a simulated external circulation reaction method for a coal-fired power plant boiler furnace. The simulated external circulation reactor system includes a furnace partitioned reactor unit and an external circulation flue gas duct. The furnace partitioned reactor unit is used to simulate the lower part, middle part, upper part, lower part, and upper part of the main combustion zone in the furnace of a prototype boiler. The furnace partitioned reactor unit is connected to the external circulation flue gas duct and the furnace outlet respectively through a first distributor. The outlet of the external circulation flue gas duct returns the flue gas to the main combustion zone through a second distributor. This invention establishes a one-dimensional reactor network system for deep air staged combustion in a coal-fired power plant boiler furnace with dimensions and tuyeres highly matched to the prototype boiler and employing external flue gas circulation technology. This system is used to obtain the influence of different flue gas recirculation ratios under deep air staged combustion on the combustion performance and component conversion mechanism of the coal combustion process, especially the influence on the migration and conversion characteristics of nitrogen element.

The combustor comprises a combustor body, L-shaped plates are installed on one side of the front end face and one side of the rear end face of the combustor body respectively, rotating shafts are arranged on the opposite sides of the outer surfaces of the two L-shaped plates, and combustion openings are fixedly formed in the opposite sides of the outer surfaces of the two rotating shafts. The burner body is provided with a burning port, the burning port is connected with the burner body through a telescopic hose, a motor is installed on the rear end face of one L-shaped plate, four fixing plates are evenly arranged on one side of the interior of the burning port, a plurality of air holes are evenly formed in the outer surfaces of the fixing plates, and transverse shafts are arranged on the opposite sides of the four fixing plates. The outer surface of the transverse shaft is sleeved with a lantern ring. The angle of the combustion port can be adjusted, and the applicability is improved; and the size of sprayed flames can be controlled, the flow control effect is achieved, and practicability is improved.

A natural gas combustion system and its burner assembly for simulating the working environment of a three-way catalytic converter include an intake assembly, a combustion assembly, a cooling assembly, and a reaction assembly. The intake assembly includes a gas bus and an air bus. The combustion assembly includes a primary combustion mechanism and several secondary combustion mechanisms. It also includes a combustion process, comprising a primary combustion stage and a secondary combustion stage. Furthermore, it includes a regulating component. When the regulating component is located on the gas branch line, it sequentially includes a pneumatic valve, a filter, a flow meter, a check valve, and a flame arrester. When the regulating component is located on the air branch line, it sequentially includes a filter, a flow meter, and a check valve. This invention employs a multi-stage burner to perform multi-stage combustion of natural gas to simulate the reaction environment during normal operation of a three-way catalytic converter. It also features a complete automated closed-loop system for dynamic adjustment, significantly improving experimental accuracy through the air-fuel ratio meter and air-fuel ratio control unit of each burner stage.

Disclosed in the present invention is a power generation system capable of treating hazardous waste and various types of garbage. The power generation system comprises a garbage incineration assembly, a first power generation assembly, a second power generation assembly and a flue gas treatment assembly. The present invention relates to the technical field of power generation from waste. The power generation system capable of treating hazardous waste and various types of garbage conveys waste in a classified and layered manner by means of providing a first garbage feeding assembly, a second garbage feeding assembly and a third garbage feeding assembly, and performs staged combustion on the waste in cooperation with the provision of a pre-combustion furnace, a first coal supply assembly, a smoke chamber, a rotary kiln and a second coal supply assembly. In this way, a combustion treatment is performed on the waste by means of multi-point feeding and staged and classified combustion, such that heat of the garbage itself can be fully utilized, thereby fully utilizing the garbage treatment capacity of the rotary kiln while improving the energy utilization rate. In cooperation with the provision of the first power generation assembly and the second power generation assembly, efficient electric energy conversion of the waste is achieved.