249results about How to "Improve combustion efficiency" patented technology

The invention discloses a molecular film type automotive nitrogen and oxygen separation device which comprises a turbocharger, a nitrogen and oxygen separator, a gas inlet valve, a gas outlet valve, a negative pressure pump and an electric control throttling valve. The turbocharger is driven by a turbine in an automobile turbocharger, so that the air is compressed to be conveyed to two paths of the nitrogen and oxygen separation device, the nitrogen and oxygen separation device can separate oxygen from the air, the air with high oxygen content is output, and the air is supplied to an engine for use through the gas outlet valve. The two paths of the nitrogen and oxygen separation device work alternately, when the temperature of the two paths of the nitrogen and oxygen separation device is too high to influence oxygen production efficiency, a main air inlet pipeline is opened to provide air normally by controlling the opening degree of the electric control throttling valve, and thus the phenomena of gas circuit plugging and engine stalling are avoided. According to the automotive nitrogen and oxygen separation device, the two branch paths work alternately, high concentration oxygen can be supplied to the engine continuously so that fuel can burn and act, and the burning utilization rate of the fuel is improved.

The invention belongs to the technical field of solid propellants, and particularly relates to a propellant containing active metal fuel and a preparation method of the propellant. 3.0-4.0% of a plasticizer; 0.3-0.4% of a curing agent; 0.1%-2.0% of a combustion rate regulator; 0.01%-0.5% of a bonding agent; 15-19% of an active metal fuel; 10-18% of a nitramine explosive; the metal fuel is an aluminum-gallium metal alloy, and the aluminum-gallium metal alloy is an aluminum-gallium metal alloy of which the outer layer is coated with an aluminum film. The propellant provided by the invention has the advantage of high combustion efficiency, and can meet the requirement of a solid rocket engine on the high energy performance of the propellant.

The biomass particle hot blast stove comprises a stove body, a feeding assembly, a combustion assembly, a heat exchange assembly and a smoke exhaust assembly. The combustion assembly is arranged in the furnace body, a combustion chamber of the combustion assembly is sequentially divided into a drying pyrolysis area, a main combustion area and a burnout area in the conveying direction of biomass particles, and ordered partitioned combustion of preheating, sufficient combustion and complete burnout of fuel is achieved; the heat exchange assembly comprises a first heat exchange set arranged above the combustion assembly and a second heat exchange set arranged in the circumferential direction of the combustion assembly, and a three-dimensional and multi-layer waste heat recovery structure is formed. The combustion efficiency and the burn-off rate of the biomass particles are obviously improved; through the first heat exchange set and the second heat exchange set, efficient and sufficient recovery of combustion waste heat is achieved, and the overall heat efficiency and the energy utilization rate of the hot blast stove are greatly improved.

The utility model relates to the technical field of combustion equipment, and provides a low-nitrogen combustion device for flue gas recirculation, which comprises a circulation frame, a gas delivery pump and a secondary gas mixing mechanism, the circulation frame is provided with a venturi mixing tube group, the venturi mixing tube group is communicated with a uniform gas delivery mechanism for flue gas delivery, the gas delivery pump is mounted on the circulation frame, and the secondary gas mixing mechanism is mounted on the circulation frame. The gas outlet end of the gas conveying pump is communicated with one end of the Venturi mixing tube set through a gas conveying bent tube, and the secondary gas mixing mechanism is installed on the circulation frame, arranged in the Venturi mixing tube set in a penetrating mode and used for conducting secondary acceleration and mixing on gas in the Venturi mixing tube set. The low-nitrogen combustion device for flue gas recirculation solves the problem that in the prior art, when a low-nitrogen combustion device for flue gas recirculation circulates flue gas, the mixing efficiency of the flue gas and air is poor.

A firewood-saving stove comprises a stove body, a stove pipe is arranged in the stove body, a plurality of gasification through holes are formed in the wall above the stove pipe, a fire grate and an ash box are sequentially arranged at the lower end of the stove pipe, and an integral stove bottom panel is arranged at the lower end of the stove body and used for sealing the stove body. Through holes with straight edges are formed in the left position, the right position and the rear position of the integral furnace bottom panel, and the through holes are communicated with a cavity between the furnace body and the furnace pipe; a baffle plate is arranged at the straight edge of the through hole and is used for limiting the ash box; a plurality of annular grooves are pressed in the center of the whole furnace bottom panel surrounded by the through holes, a plurality of annular cavities are formed between the annular grooves and the outer bottom face of an ash box placed on the whole furnace bottom panel, and a gap is reserved between the upper end of the ash box and the fire grate. According to the utility model, the integral furnace bottom panel is welded with the furnace body, so that the primary air inlet quantity flowing into the fire grate and the secondary air inlet quantity flowing above the furnace pipe can be more accurately and effectively controlled according to the opening and closing size of the ash box, the combustion is sufficient, the pollution to the environment is reduced, and the operation environment of cooking personnel is better.

The utility model belongs to the technical field of RTO furnaces, and discloses an RTO furnace energy-saving blowback device which comprises a bottom plate, a furnace body is fixedly arranged on the upper surface of the bottom plate, a blowing pipeline is fixedly arranged on one side of the furnace body, an air mixing box is fixedly arranged at one end of the blowing pipeline, an RTO fan is fixedly arranged on one side of the air mixing box, and a blowing fan is fixedly arranged on the other side of the blowing pipeline. The lower surface of the RTO fan is fixedly connected with the bottom plate, a high-temperature bypass is fixedly arranged on one side of the furnace body, a high-temperature air mixing box is fixedly arranged on one side of the furnace body, and the high-temperature air mixing box is fixedly connected with the lower end of the high-temperature bypass. The blowback operation can be carried out on equipment, the use of an RTO system fan is reduced, reasonable distribution, regulation and control of gas entering the furnace body can be realized through the combustion chamber and the air distribution chamber located below the combustion chamber, sufficient combustion of the gas in the combustion chamber is ensured, and the combustion efficiency is improved.

This invention discloses a mobile aluminum ladle baking device, relating to the field of metallurgical equipment technology. It includes a base frame, with a lifting unit and several support frames fixedly mounted on the upper end of the base frame. An installation unit is located on the front side of the lifting unit, and an igniter unit is fixedly connected to the bottom front side of the installation unit. A gas delivery unit is located on the upper part of the support frames, a gas control unit is located on the upper right side of the installation unit, and an air supply unit is located on the upper left side of the installation unit. This invention, through the base frame, electric forklift, traveling unit, and support units, achieves flexible movement, rapid positioning, and stable support of the device within the work area; the lifting unit enables precise lifting of the installation unit, igniter unit, gas control unit, and air supply unit; and the gas delivery unit, gas control unit, air supply unit, and igniter unit ensure safe gas delivery and precise gas-air mixing.

The invention relates to the technical field of fuel ratio regulation and control, in particular to a fuel self-adaptive ratio regulation and control method for a waste multi-fuel combustion boiler, which comprises the following steps of: obtaining combustion characteristic parameters of various fuels, calculating combustion performance values of the various fuels, grouping and dividing the fuels according to the combustion performance values, and regulating and controlling the fuel ratio of the waste multi-fuel combustion boiler. Calculating a difference value of two groups of fuel combustion performance mean values to obtain an initial performance difference value, determining a fuel proportioning parameter according to the initial performance difference value, monitoring and analyzing temperature data and waste gas emission amount data in a boiler operation process, calculating a temperature fluctuation value and a waste gas emission fluctuation value to obtain a combustion quality influence coefficient, and calculating a combustion quality influence coefficient according to the temperature fluctuation value and the waste gas emission fluctuation value; collecting a steam pressure oscillogram and feed water flow in equipment operation parameters, calculating a steam pressure fluctuation value and a feed water flow fluctuation value to obtain an equipment operation influence coefficient, performing weighted fusion on the combustion quality influence coefficient and the equipment operation influence coefficient to obtain a comprehensive influence value, and performing calibration analysis on an initial performance difference value according to the comprehensive influence value; therefore, the self-adaptive regulation and control of the fuel ratio parameters are realized.

The utility model discloses a combustion control device for an RTO (Regenerative Thermal Oxidation) incinerator, which relates to the technical field of combustion control of incinerators and comprises a bracket, and a control valve II is fixedly mounted on the outer surface of a transmission pipe; an adjusting mechanism used for controlling the combustion size is arranged between the controller and the conveying pipe and comprises a fuel gas inlet fixedly formed in the outer surface of the controller. According to the combustion control device for the RTO incinerator, external air is conveyed through the air inlet, the air circulates in the conveying pipe, a first control valve is installed on the side, close to the air inlet, of the conveying pipe, the circulating air is controlled through the first control valve, and the air is conveyed into a combustion-supporting air pipeline through the conveying pipe; the sealing disc is installed at the connecting position of the pipeline, so that the sealing performance of the pipeline is improved, the gas leakage phenomenon is avoided, the situation that the gas circulation size cannot be adjusted when the first control valve is damaged is avoided through the second control valve, the guarantee for equipment is improved, and the safety of the pipeline is guaranteed.

The folding top plate structure comprises a back plate, a top plate is rotationally installed on the back plate, a storage table is arranged at the upper end of the top plate, a lamp panel is arranged at the lower end of the top plate, first insertion holes are formed in the two sides of the back plate, and the first insertion holes are communicated with the storage table. The two sides of the top plate are provided with bolts which correspond to the first insertion holes in position and are fixedly inserted into the first insertion holes in a connected mode. According to the firewood stove, the top plate is horizontally arranged on the back plate, so that utensils such as a steamer and a food steamer can be conveniently placed on the storage table on the top plate, meanwhile, the utensils such as the steamer can be conveniently taken and used in the cooking process, the firewood stove is more convenient to use, the structure is more compact and reasonable, the size is greatly reduced, and the space is saved; and when the top plate is vertically rotated on the back plate, the top plate can avoid cooking of the firewood stove, so that steaming tools with relatively high stacking height can also meet cooking use, and the practicability of the firewood stove is better.

The invention provides a three-time air supply methanol-to-hydrogen combustion evaporator which comprises a heat exchanger, a combustion evaporator body, a combustion chamber and a three-time air supply device, the air outlet end of the heat exchanger communicates with the three-time air supply device, and the three-time air supply device is arranged at the top of the combustion chamber. The tertiary air supply device blows flames generated during combustion of the combustion chamber to the combustion evaporator, the heat exchanger is used for preheating normal-temperature air, and the tertiary air supply device supplies air to the combustion chamber. The three-time air supply design is adopted, so that combustion is more complete, the flame temperature distribution is uniform, the heat efficiency is greatly improved, and fuel waste is reduced. Through gas preheating and waste heat recovery, external energy input is reduced, the operation cost of the system is remarkably reduced, and the energy-saving and environment-friendly trend is met. The high-temperature gas guide pipe guides waste heat back to the heat exchanger, heat energy recycling is achieved, the overall heat energy utilization rate is increased, and emission loss is reduced.

The invention discloses a device and a method for generating nano-bubble fuel oil by utilizing oleophobic fibers and a Venturi flow field. The device comprises a Venturi tube, a nano-bubble generation reactor and a large bubble separator, the nano bubble generation reactor is filled with an oleophobic fiber module; the method comprises the steps that fuel oil flows through a Venturi tube to generate negative pressure to form liquid of pre-dissolved gas, the liquid enters a nano bubble generation reactor and flows through an oleophobic fiber module, micro-nano bubbles with large particle sizes are separated and discharged through an exhaust port in a large bubble separator, nano bubbles with small particle sizes stably exist in the liquid, and the micro-nano bubbles with small particle sizes stably exist in the liquid. The nanometer bubble fuel oil is obtained. The whole device system does not need high-energy-consumption equipment such as an external air pump and pressurized dissolved air, the structure is compact, the energy consumption is low, liquid of pre-dissolved air is formed only through negative pressure self-suction, and finally the liquid with the high concentration of D50lt is obtained; and therefore, the combustion efficiency can be remarkably improved, and pollutant emission can be reduced.

The utility model relates to the field of combustion systems, in particular to a pulverized coal conveying system which comprises a combustion furnace, a crusher and a circulating ventilation system, a conveying pipe is arranged between the crusher and the combustion furnace and communicated with the crusher and the combustion furnace, and the circulating ventilation system comprises an air inlet pipe, an air outlet pipe and a dust removal fan. An air inlet of the air inlet pipe penetrates through the combustion furnace to be communicated with the outside space, an air outlet of the air inlet pipe is communicated with an air inlet of the dust removal fan, an air outlet of the dust removal fan is communicated with an air inlet of the air outlet pipe, and an air outlet of the air outlet pipe is communicated with the material conveying pipe. The circulating ventilation system is arranged, air of the air inlet pipe is heated by the combustion furnace and then flows to the conveying pipe, pulverized coal in the conveying pipe is activated, accumulation of the pulverized coal in the pipeline is avoided, fuel is heated, the combustion efficiency of the fuel entering the combustion furnace is improved, and the utilization rate of the fuel is overall improved.

The utility model relates to an improved energy -conserving combustion stove core, including stove core body, stove core body has first stove section and second stove section, the inside diameter of first stove section is less than second stove section, and the lower extreme of first stove section is equipped with the cover, is equipped with the central hole and sets up first air -assist hole around central hole on the cover, and the upper extreme of second stove section is equipped with the fire -break cover, still includes gasification lid, and the gasification lid sets up in the inner chamber of second stove section and will the inner chamber of second stove section divide into first chamber and second chamber, be equipped with the mounting hole that the first stove section is passed into first stove section for the ignition needle on first stove section, or be equipped with the mounting hole that the first chamber is passed into for the ignition needle on second stove section, be equipped with a plurality of first fire -break through -hole on the gasification lid, and first fire -break through -hole is from the upper end surface of gasification lid and is penetrated to the lower end surface, and a plurality of first fire -break through -hole surrounds the central axis distribution of gasification lid.

The present application relates to the technical field of metallurgical production, in particular to a method for reducing the mixing amount of coke oven gas in lime double-D kiln by oxygen-enriched combustion, specifically, oxygen injection guns and oxygen-enriched valve groups are installed in the air pipeline of the lime double-D kiln to control the oxygen flow, the lime double-D kiln is started, mixed gas containing coke oven gas and converter gas is introduced, the oxygen-enriched valve groups are then started, the oxygen enrichment degree is set from 1% and gradually increased, and the highest oxygen enrichment degree does not exceed 9%, the air-fuel ratio and the excess air coefficient are simultaneously reduced, and the mixed gas flow is reduced. By the method of oxygen-enriched combustion, the oxygen content in the calcination combustion-supporting air is increased, the combustion efficiency is improved, the combustion temperature is optimized, the air demand and the combustion product generation amount are reduced, the heat taken away by the flue gas is reduced, thereby the heat loss of exhaust gas can be reduced, the theoretical combustion temperature and the furnace gas radiation capacity can be improved, and the energy consumption can be greatly reduced.

The utility model relates to the technical field of hot air generating furnace bodies, and discloses an efficient hot air generating furnace body, which includes a combustion chamber. A front-section prototype is fixedly connected to the left side of the combustion chamber, and a furnace neck is communicated and arranged on the left side of the front-section prototype. Through the design of the front-section prototype and the rear-section prototype ring of the combustion chamber in the utility model, the function of stabilizing the flow is achieved, thereby preventing the phenomenon of turbulent flow of hot air inside. Then, the silicon-aluminum coating applied to the combustion chamber has high heat resistance, which can effectively prevent oxidation and corrosion inside the combustion chamber at high temperatures. Then, through the ceramic coating applied to the surface of the combustion chamber, this coating can not only withstand high temperatures but also effectively insulate heat and prevent heat loss, thereby improving the combustion efficiency inside the combustion chamber. Then, the gas after combustion inside the combustion chamber will be discharged outwards through the hot air outlet, and all parts of this device use SUSS high-temperature resistant plates, so it has a long service life and is applicable to all occasions of hot air drying or heating.

The utility model provides an overhead valve guide air inlet type two-stroke engine which solves the problems that waste gas cannot be fully swept away due to the fact that a four-stroke working mode of a traditional overhead valve type engine is improved into a two-stroke working mode, and combustion efficiency and emission performance are poor. According to the technical scheme, the overhead valve guide air inlet type two-stroke engine comprises an engine body set and an air distribution mechanism provided with an overhead valve, an air guide pipe moving along with an air inlet valve rod through a support sleeve is arranged on the air inlet valve rod of the air distribution mechanism, the air guide pipe is close to the head of the air inlet valve, and a front end air outlet is reserved between the front end of the air guide pipe and the head of the air inlet valve. The rear port of the gas-guide tube communicates with the gas inlet channel; an air inlet cam of the air distribution mechanism is provided with an air inlet cam protruding part which pushes the front end of an air guide pipe of an air inlet valve to stretch into an inner cavity of the air cylinder body. By guiding and scavenging the inlet air, the engine can go deep into the cylinder body to purge the combusted waste gas, open the exhaust valve to work and fully sweep the waste gas, so that the scavenging efficiency is greatly improved, and the combustion efficiency and the emission performance are improved.

This invention relates to the field of burner technology, specifically a burner for a gas-fired wall-hung boiler, comprising a rear mounting bracket and a venturi tube mounted on its front side. The front side of the venturi tube is connected to the front mounting bracket, and a temporary storage frame is fixed to the front side of the front mounting bracket. A burner head of the venturi tube is mounted above the venturi tube. In this burner, when the rotating rod drives the convex column to rotate, the convex column intermittently applies a downward thrust to the convex block. This causes the convex block to drive the piston assembly to intermittently reciprocate within the gas storage pipe. Therefore, the piston assembly reciprocates to draw gas and air from the main pipe into the gas storage pipe and then discharges the gas and air from the gas storage pipe. This repeated operation allows for thorough pre-mixing of the pre-mixed gas and air, improving the completeness of subsequent combustion, reducing exhaust emissions, and lowering gas consumption, thus achieving excellent energy-saving and gas-saving effects.

The application discloses a preparation method of Al / NH4CuF3 metastable intermolecular complex. The method is characterized in that: firstly, NH4CuF3 with a nano-network structure is prepared through a solvothermal reaction; then, n-Al is filled into the nanopore channels of the NH4CuF3 in a manner of ultrasonic-assisted dispersion, so as to form n-Al / NH4CuF3 MICs with good dispersity. The n-Al / NH4CuF3 MICs prepared by the method can etch a passivation layer and reduce the reaction energy barrier of the aluminum powder and an oxidizing agent, depending on the low-temperature decomposition of the NH4CuF3 to release F and the thermal decomposition of the NH4CuF3 to generate HF. In addition, a large amount of gaseous products are generated by the decomposition of the NH4CuF3, so that the generation of a reaction sintering phenomenon is relieved, and the combustion efficiency of the n-Al is improved.

The application relates to a partition-injection air-bleed circulation combustion chamber and a liquid rocket engine, wherein the partition-injection air-bleed circulation combustion chamber comprises a combustion chamber body and a partition-injection injector; the combustion chamber body is provided with an oxygen inlet collector, a fuel inlet collector and an air-bleed collector; the partition-injection injector is installed on the upper end of the combustion chamber body and is provided with injection holes; the oxygen inlet collector and the fuel inlet collector are communicated with the partition-injection injector and inject oxidants and fuels into the combustion chamber body through the partition-injection injector; the air-bleed collector is installed on the outer side of the middle part of the combustion chamber body and is communicated with the combustion chamber body; the partition-injection injector is disc-shaped and is divided into an equivalence zone, an oxygen-rich zone and a fuel-rich zone from the center to the outside; a partition ring is fixed to the lower surface of the partition-injection injector; the partition ring is in the form of a ring cylinder structure; the partition ring is located between the oxygen-rich zone and the fuel-rich zone and is used for separating the oxygen-rich zone and the fuel-rich zone.

The application discloses a gas turbine regulation and control method and system based on a decentralized control system, and particularly relates to the field of gas turbine regulation and control, and comprises the following steps: S1, synchronously collecting gas turbine operation parameters by using a distributed sensor array; S2, performing feature engineering processing on local perception data by an edge computing node; S3, based on a decentralized control system architecture, adopting an improved model predictive control algorithm to realize control quantity decoupling; S4, after completing each control cycle, evaluating the control effect; S5, establishing a regulation and control threshold, judging the evaluation according to the regulation and control threshold, and issuing a corresponding signal according to the judgment; the application synchronously collects multi-field coupling parameters by using a distributed sensor array and realizes real-time processing of local data through an edge computing node, thereby improving the dynamic response capability of the gas turbine under multi-dimensional working conditions and reducing the occurrence rate of combustion instability events.

The utility model relates to a kind of natural gas hydrogen-oxygen gas negative pressure mixer structure, including fixed seat, ignition device, gas pipe, hydrogen-oxygen gas pipe and combustion air duct, the gas pipe and hydrogen-oxygen gas pipe are located in combustion air duct inside, combustion air duct front end is provided flame outlet, hydrogen-oxygen gas pipe front end is connected with gas pipeline middle section by jet mixer, gas pipe front end is closed and has gas hole around, gas pipe front end stretches to flame outlet place.The utility model natural gas hydrogen-oxygen gas negative pressure mixer structure structure is novel, reasonable in design, using internal mixing structure, hydrogen-oxygen gas and gas are mixed in burner, avoid the security risk that hydrogen-oxygen gas exists in external premixing, improve safety, and mixed by jet mixer, utilize venturi effect, by the negative pressure formed active suction hydrogen-oxygen gas generated, ensure that mixing is uniform, improve combustion efficiency, reduce energy loss.

The utility model discloses a boiler flue gas recirculation device which comprises a boiler main body which is arranged on a base in a supporting mode through a supporting rod. The flue gas filtering assembly is arranged at the rear end of the boiler main body, the flue gas filtering assembly is connected with a flue gas outlet pipe of the boiler main body, and flue gas is filtered through the flue gas outlet pipe; the gas inlet pipe comprises a first inlet pipe and a second inlet pipe, the first inlet pipe is connected with the boiler main body, and the second inlet pipe is connected with a neutralizing seat on the base; a part of flue gas of the flue gas filtering assembly is neutralized by a neutralizing seat on the base, and is input into the boiler main body again to be combusted again; and the other part of flue gas is discharged through a discharge pipeline. According to the utility model, part of neutralized flue gas is re-introduced into the boiler for re-combustion, so that residual energy in the flue gas can be fully utilized, and the overall combustion efficiency and heat efficiency of the boiler are improved.

The utility model provides a waste heat recovery type water-cooled horizontal pipe blanking system which not only has a blanking function, but also can recover waste heat of an expansion furnace and supply combustion-supporting air for preheating of a preheating furnace and a combustor at the bottom of the expansion furnace, has multiple purposes, and saves energy. According to the technical scheme, the device comprises an elbow pipe connected with a material outlet in the top end of the expansion furnace, and the elbow pipe is provided with a material channel bent at a certain angle; the circulating cooling module comprises a water tank arranged outside the elbow pipe in a sleeving mode, the side wall and the bottom of the water tank are each provided with an installation connector matched with the two ends of the elbow pipe in a sealed mode, and the water tank communicates with a cooling water circulating system; the waste heat recovery assembly comprises a horizontally-arranged material guide pipe, one end of the material guide pipe is communicated with a discharging port of the elbow pipe, and the other end of the material guide pipe is communicated to a heating cavity of the preheating furnace; the material distributing device comprises a material falling hopper arranged at the bottom of the material guiding pipe, a material falling opening formed in the material falling hopper is formed in the bottom of the material guiding pipe, and the material falling hopper is communicated with the finished product bin.

The invention discloses a rare earth tailing-based aerogel catalyst for refractory coal and a preparation method thereof, and the preparation method comprises the following steps: a, pretreating rare earth tailings rich in cerium oxide to obtain raw material powder; b, carrying out modification treatment on the raw material powder obtained in the step a to obtain modified powder; and c, preparing rare earth tailing-based aerogel from the modified powder obtained in the step b, and grinding to obtain the catalyst. The rare earth tailing-based aerogel catalyst prepared by the invention has a relatively high specific surface area and a rich pore structure, obviously improves the combustion efficiency of fire coal, can be suitable for fire-retardant solid fuel, realizes wide-load stable combustion of fire-retardant coal powder, expands the coal type adaptability of a unit, reduces the use amount of long flame coal, and reduces the production cost. The coking problem is effectively solved.

The utility model discloses an efficient energy-saving bell-type furnace burner which comprises a fixed machine shell, a front sealing cover is installed on the surface of the front end of the fixed machine shell, a detachable structure is arranged between the fixed machine shell and the front sealing cover, a flame stabilizing disc is installed in the front sealing cover, and a gas inlet is formed in the front sealing cover. A burner head is detachably mounted at the center of the surface of the flame stabilizing disc, and multiple stages of rotational flow blades are mounted in the air inlet pipeline. The components of the furnace burner are conveniently assembled and designed, so that the burner head is positioned inside the sealing front cover, a good windproof protection effect is achieved, meanwhile, a multi-stage rotational flow structure is designed, air and fuel gas respectively generate strong rotational motion through the multi-stage rotational flow blades after entering the burner, and the burner head is prevented from being blocked by the multi-stage rotational flow blades. Air and fuel gas can be mixed more sufficiently, the combustion efficiency is improved, the flame stabilizing disc is arranged in the combustor, combustion of flames can be stabilized, flame blow-off or backfire is prevented, and stability and safety in the combustion process are ensured.

This utility model relates to the technical field of boiler furnace air conditioning and distribution devices, and discloses a boiler furnace air conditioning and distribution device, including a furnace body, which is the combustion space of the boiler and has a hollow structure; a primary air inlet duct connected to the bottom of the furnace body for inputting primary air; a secondary air inlet duct connected to different height positions in the upper middle part of the furnace body for inputting secondary air; a primary air volume regulating valve installed on the primary air inlet duct for regulating the primary air volume; and a secondary air volume regulating valve installed on the secondary air inlet duct for regulating the secondary air volume. In this utility model, the inclined air outlet of the air cap at the bottom of the primary air inlet duct and the air distributor in the upper middle part of the secondary air inlet duct cooperate to achieve precise stratified distribution of air in the furnace body. The tangential primary air and the downwardly inclined secondary air form a composite flow field, enhancing the mixing efficiency of fuel and air and improving combustion completeness.

The utility model relates to a large-displacement side-burning ground closed torch which comprises a torch body, an air inlet is formed in the bottom of the torch body, an exhaust port is formed in the top of the torch body, an air inlet header pipe is arranged on the right side of the torch body, and grading branch pipes connected with the air inlet header pipe are arranged on the right side of the torch body. A combustor connected with the grading branch pipe is arranged in the torch body, and an air volume adjusting mechanism is arranged at the top of the air inlet. The air volume adjusting mechanism comprises supporting frames, the supporting frames are arranged on the left side and the right side of the air inlet correspondingly, and a two-way threaded rod is rotationally installed between the inner sides of the two supporting frames. According to the large-displacement side-burning ground closed torch, the air inlet area is adjusted in real time through the air volume adjusting mechanism according to the waste gas flow, it is guaranteed that the proportion of air and waste gas is appropriate, the combustion efficiency is greatly improved, and the problems that combustion is affected due to the fact that the temperature of a combustion chamber is reduced due to too much air or fuel gas cannot be fully burnt due to insufficient air are solved.

The device is arranged in the combustion chamber, a flame tube is arranged in the combustion chamber, and the device comprises a high-pressure fuel spray pipe and a concentric-square-shaped evaporation pipe; the high-pressure fuel spray pipe penetrates through the side wall of the combustion chamber and is connected with a high-voltage power supply to serve as an anode; the concentric-square-shaped evaporation pipe penetrates through the side wall of the flame tube to serve as a cathode; an anode oil spraying opening of the high-pressure fuel oil spraying pipe and a cathode expanding type fuel oil opening of the concentric-square-shaped evaporation pipe are coaxially arranged, and the end of the anode oil spraying opening extends into the cathode expanding type fuel oil opening. Through high-voltage arc discharge, fuel oil is physically promoted to be split into tiny liquid drops, and macromolecular fuel oil is partially split into micromolecular fuel with higher chemical activity, so that the chemical reaction rate is greatly increased, and rapid and sufficient combustion of the fuel oil is realized.

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.