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57results about How to "Burn faster" patented technology

Engine energy-saving device and method for producing hydrogen by utilizing ultrasonic water mist and mineral particles

The invention belongs to the field of automobile engine energy saving, and particularly relates to an engine energy saving device and method for producing hydrogen through ultrasonic water mist and mineral particles, the device comprises a special water storage tank, an ultrasonic water mist generator and micro hydrogen production mineral particles, and the special water storage tank is divided into an ultrasonic water mist generation chamber and a mineral particle hydrogen production chamber through a permeation partition plate; the ultrasonic water mist generator is placed at the position 3 mm-5 mm below the liquid level of the ultrasonic water mist generating chamber, and water is atomized through external power supply. Micro-hydrogen production mineral particles are placed at the bottom of the mineral particle hydrogen production chamber and react with water to generate hydrogen, part of hydrogen is dissolved in water, and part of hydrogen is stored in the gas storage chamber above the liquid level. An air outlet is formed in the top of the special water storage tank and connected with an engine air inlet pipe, water mist and hydrogen enter an air cylinder along with engine suction to participate in acting, and therefore the redundant fuel injection amount is eliminated, and heat transfer loss in the cylinder is reduced. The heat efficiency of the automobile engine is improved, knocking is restrained, the incomplete combustion phenomenon is reduced, and then fuel consumption and harmful gas emission are reduced.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY +1

Hot air backflow device for producing and processing superfine slag powder

The utility model discloses a hot air backflow device for producing and processing superfine slag powder, which comprises a hot air furnace, a vertical mill and a hot air pipe, an exhaust pipe is arranged at the top of the vertical mill, and a primary dust remover, a secondary dust remover, an induced draft fan, a first temperature sensor and a three-way joint are sequentially mounted on the exhaust pipe along the airflow direction; one outlet of the three-way connector is connected with a first backflow pipe communicated with the hot air pipe, a first control valve is installed on the first backflow pipe, a second control valve is installed on the hot air pipe between the first backflow pipe and the hot air furnace, the other outlet of the three-way connector is connected with a second backflow pipe, and a waste heat recoverer is arranged at an outlet of the second backflow pipe. An air inlet pipe, an air outlet pipe and a smoke exhaust pipe are arranged on the waste heat recoverer, and the air outlet pipe is communicated with a combustor of the hot blast stove. The device not only can effectively improve the utilization rate of hot air heat energy, but also can greatly reduce the operation cost of the device, and has the advantages of advanced structural design and remarkable energy-saving effect.
Owner:YAOCHENG MATERIALS COMPREHENSIVE UTILIZATION CO LTD MALONG DISTRICT QUJING CITY

Energy-saving spiral-flow type all-directional spraying burner for decomposing furnace

The invention relates to the technical field of combustors, in particular to an energy-saving spiral-flow type all-directional spraying combustor for a decomposing furnace, which comprises a furnace body, an installation and maintenance mechanism, an ignition mechanism and a rapid cut-off mechanism, the middle upper part of the furnace body is connected with a second pipeline through the installation and maintenance mechanism, and the inner wall of the bottom end of the first pipeline is fixedly connected with a flow dividing fan; first flow dividing openings are evenly formed in the bottom end of the first pipeline, and flow dividing plates are evenly and fixedly connected between the first pipeline and the third pipeline. According to the device, a user can conveniently conduct overhaul and maintenance work, air or fuel can be rapidly cut off, the use safety of the device can be improved, meanwhile, it can be guaranteed that the fuel is sprayed and combusted in all directions without dead corners, local high temperature in the furnace body is avoided, the fuel effect and the product yield can be improved, and the production cost is reduced. And meanwhile, the fuel consumption can be effectively reduced, so that the effects of saving energy, reducing consumption, reducing cost and improving efficiency are achieved.
Owner:YANGZHOU YINYAN MASCH CO LTD

Kiln flue gas cooling device capable of recycling heat energy

The utility model discloses a kiln flue gas cooling device capable of recycling heat energy. The kiln flue gas cooling device comprises a first box body and a first box cover arranged above the first box body, a second box body is arranged on the inner side of the first box body, a second box cover is arranged above the second box body, the second box body is connected with one end of a fixing pipe, and the other end of the fixing pipe is connected with a main conveying pipe; and one end of a smoke exhaust pipe is arranged in the second box body, and the other end of the smoke exhaust pipe penetrates through the first box cover. According to the kiln flue gas cooling device capable of recycling heat energy, a gas inlet pipe is installed on the side face of a first box cover, a draught fan is installed on the front side of a first box body, the inlet end of the draught fan is connected with one end of a connecting pipe, the other end of the connecting pipe is located in the first box body, and a gas conveying pipe is installed at the outlet end of the draught fan. And hot air between the first box body and the second box body can be sucked in and conveyed to a combustion chamber of the kiln, so that the combustion speed can be accelerated.
Owner:KOA GLASS (SUZHOU) CO LTD

Ammonia gas stable combustion device

The utility model discloses an ammonia gas stable combustion device which comprises a flame generator, an ammonia gas adding device and a pure oxygen adding device, the flame generator enables ignition fuel and oxygen to be mixed and combusted to generate flames, the ammonia gas adding device is used for adding ammonia gas to the outer side of the flames, the pure oxygen adding device is used for adding pure oxygen to the outer side of the ammonia gas, and the ammonia gas is stably combusted in a high-temperature area of the flames under the oxygen-enriched condition. According to the device, ignition fuel and oxygen are mixed and combusted to generate flames, the temperature of a high-temperature area of the flames reaches 2000 DEG C, ammonia gas and pure oxygen are heated and ignited, and the ammonia gas is high in combustion speed and not prone to flameout under the oxygen-enriched working condition, so that the ammonia gas can be stably combusted in the high-temperature area of the flames under the oxygen-enriched condition.
Owner:GUIZHOU FURAN ENVIRONMENTAL PROTECTION TECH CO LTD

A device for lithium mica oxygen-enriched roasting

This invention provides an apparatus for oxygen-enriched roasting of lepidolite. The apparatus includes: a roasting furnace; a feed trough disposed on the roasting furnace, with a discharge trough at the bottom of the furnace, the outlet of which is sealed by a sealing plate; and a combustion assembly mounted on the roasting furnace for roasting the lepidolite. The apparatus for oxygen-enriched roasting of lepidolite provided by this invention prepares oxygen-enriched gas and fuel through an oxygen-enriched air preparation assembly, which then enters the roasting furnace for combustion. Because the fuel burns faster and more completely in an oxygen-enriched state, the emission of harmful gases is effectively reduced. The oxygen-enriched gas lowers the fuel's ignition point; under the same natural gas mass and flow rate, a higher oxygen content in the oxygen-enriched air results in a higher flame temperature, significantly improving the utilization rate of thermal energy.
Owner:JIANGXI JIULING LITHIUM CO LTD

A lean-burn hydrogen engine system and control method thereof

The present application relates to a lean-burn hydrogen engine system and a control method thereof, wherein two intake pipes are connected in parallel between an outlet of an electric compressor and an inlet of an intercooler, and the intercooler is connected to the inlet of the hydrogen engine; the intake pipe comprises a flow valve and a mechanical compressor connected in sequence; two exhaust gas boost pipes are connected in parallel to a vehicle aftertreatment system, and are both connected to an exhaust gas recirculation pipe connected to the inlet of the hydrogen engine, and a high-pressure EGR valve is provided on the exhaust gas recirculation pipe; a vehicle ECU is connected to the electric compressor, the flow valve and the high-pressure EGR valve signal; the electric compressor replenishes the intake volume of the two intake pipes to meet the air-fuel ratio requirement of the hydrogen engine, and the combustion state in the cylinder of the hydrogen engine is adjusted by setting up two exhaust gas boost pipes and exhaust gas recirculation technology, in combination with the electric compressor and the flow valve, to avoid abnormal combustion problems that frequently occur under medium and high loads, taking into account both high and low speeds, and also having the effect of reducing the requirement for installation space.
Owner:DONGFENG COMML VEHICLE CO LTD

Fire spraying mechanism for overhead line rescue machine

The utility model relates to the technical field of rescue machines, in particular to a flaming mechanism for an overhead line rescue machine. An ignition assembly is mounted on the lifting assembly; the ignition assembly comprises an ignition motor installed on the plate face of a rack in the lifting assembly, an igniter installation plate is installed on the ignition motor, an igniter and an igniter push rod are installed on the plate face of the igniter installation plate side by side in the vertical direction, and an ignition plate is installed on the igniter installation plate between the igniter and the igniter push rod. The extending end of the igniter push rod is connected with the ignition plate to push the ignition plate to rotate for ignition. The hanging rope on the cable wrapping robot is burnt out through the flaming mechanism installed on the rescue telescopic rod, only 3-4 seconds are needed, the burning speed is high, and the rescue efficiency is improved; meanwhile, the application occasion is wide, the working efficiency and the safety coefficient are improved, and the device is not limited by factors such as weather conditions.
Owner:CHANGZHOU SHIENXI POWER EQUIP MFG CO LTD

Integrally-designed oxygen-enriched turbine engine injector

The invention relates to the technical field of turbine engines, in particular to an integrally-designed oxygen-enriched turbine engine injector which comprises an injection head center dovetail structure integrally formed on the inner side of an injector body and an igniter base fixed to one side of the outer wall of the injector body. A first mounting flange and a second mounting flange are fixed to the outer side edges of the upper end and the lower end of the injector body respectively, an oxygen-enriched gas flow channel is formed in the middle of the inner side of the injector body, and a high-pressure air flow channel formed in the injector body is formed in the outer side of the oxygen-enriched gas flow channel. Fuel injection atomization and efficient mixing of fuel gas are effectively achieved, the combustion speed and efficiency are remarkably improved, the injector body is integrally designed based on the 3D printing technology, machining, welding and assembling are not needed, the situations that an existing injector is large in welding deformation and high-temperature and high-pressure sealing is difficult to design are avoided, and the fuel injection efficiency is greatly improved. And the overall reliability of the injector is improved, and the service life of the injector main body is prolonged.
Owner:HEFEI ZHONGKE ZHONGMING TECH CO LTD +1

A hydrogen and diesel dual-fuel generator set

The present invention discloses a hydrogen and diesel dual-fuel generator set, including a chassis, an engine is arranged on the chassis, the engine is connected with a radiator and a brushless generator, a control box is arranged on the brushless generator, the engine includes a diesel feed system, a hydrogen intake system, an air intake system, an exhaust system and a control system, the hydrogen intake system and the air intake system are connected with the cylinder intake port of the engine, and the exhaust system is connected with the exhaust port of the cylinder of the engine. Hydrogen is used to effectively replace diesel fuel, reduce pollution, ensure sufficient fuel supply, and provide a new option for industrial power energy utilization. At the same time, due to the fast combustion speed of hydrogen, the mixed diesel fuel is more fully burned, the fuel utilization rate is improved, and carbon deposition is reduced. By setting a hydrogen intake rail, an embedded hydrogen injection pipe, a hydrogen electronically controlled injection valve and realizing direct injection of hydrogen into the cylinder, the hydrogen intake amount is automatically controlled.
Owner:SHANDONG PULIDA NEW ENERGY TECH CO LTD

A perforating device for baling straw biomass fuel

ActiveCN224643835UImprove burnout rateImprove combustion efficiency
The utility model discloses a kind of perforating device of bundled straw biomass fuel, including frame, and frame is provided with perforating device, and perforating device includes linear power mechanism, mounting seat and punch assembly, the end surface of mounting seat is connected with linear power mechanism, and the other end surface is provided with punch assembly;The bottom of frame is provided with the positioning assembly for positioning straw bundle, and linear power mechanism drives punch assembly to carry out punching operation to the straw bundle after positioning. Linear power mechanism includes any one in hydraulic cylinder, cylinder, electric cylinder, and hydraulic cylinder is connected with hydraulic pump group and control valve group, cylinder is equipped with gas source equipment and solenoid valve, electric cylinder is electrically connected with servo driver and controller. The utility model punches in straw bundle, obtains straw bundle with air hole, increases airflow flow in straw bundle, effectively improves the combustion efficiency of whole straw bundle, can effectively reduce the volume and structure of combustion furnace, reduces combustion furnace investment cost.
Owner:HARBIN MENGBIAO ENERGY TECHNOLOGY CO LTD

Combustion chamber and engine

The invention relates to a combustion chamber and an engine. The combustion chamber comprises a pit located in the top of the piston, the pit comprises a bottom rotation groove, the rotation center of the bottom rotation groove is collinear with the axis of the piston, the center section of the bottom rotation groove is in a semi-oval shape, and the long axis of the semi-oval shape is in the radial direction of the piston; the top rotation groove is communicated with the bottom rotation groove, the rotation center of the top rotation groove is collinear with the axis of the piston, and the top rotation groove forms an opening in the top of the piston. The piston can generate stronger tumble compared with a traditional piston, turbulent kinetic energy in a cylinder is improved, and therefore the combustion speed is increased, and the heat efficiency is improved.
Owner:FAW JIEFANG AUTOMOTIVE CO

Clean type pulverized coal combustion equipment and using method

The invention relates to the technical field of pulverized coal combustion, and discloses clean type pulverized coal combustion equipment and a using method.The clean type pulverized coal combustion equipment comprises a combustion furnace, the outer side of the combustion furnace is sleeved with and fixedly connected with an annular reinforcing plate, and the outer side of the combustion furnace is rotationally connected with a sealing door through a rotating bolt; the outer side of the annular reinforcing plate is fixedly connected with a reinforcing base through a support, and the top of the annular reinforcing plate is fixedly connected with an igniter through a support. Oxygen is injected into the combustion furnace through the air injection device; the preheating device is used for heating oxygen entering the combustion furnace by utilizing waste heat; the to-be-combusted pulverized coal is ground through the pretreatment device; a material taking opening matched with the sealing door is formed in the outer side of the combustion furnace. According to the clean type pulverized coal combustion equipment and the using method, oxygen can be evenly sprayed into the combustion furnace, and pulverized coal can obtain sufficient oxygen in all areas in the furnace.
Owner:HEILONGJIANG LONGJIAN EQUIP ENG CO LTD

A hydrogen-oxygen mixed gas generating device

The present invention discloses a hydrogen-oxygen mixed gas generating device, which comprises a box body and a gas generating system arranged in the box body, wherein the gas generating system comprises a water tank and a plurality of electrode plates arranged close to one side of the water tank, an insulator is arranged between each two of the electrode plates, one side of the water tank and the plurality of electrode plates are each provided with at least one gas flow hole and at least one liquid flow hole, the gas flow holes of two adjacent electrode plates are arranged staggered with each other and the liquid flow holes of two adjacent electrode plates are arranged staggered with each other, the liquid flow holes are connected to the water tank and each of the electrode plates to form an electrolyte channel, and the gas flow holes are connected to the water tank and each of the electrode plates to form an oxygen channel. The present invention can increase the combustion speed of fossil fuels, help fossil fuels burn, and effectively reduce the emission of nitrogen oxides and carbon dioxide during combustion.
Owner:JIANGXI YIMEI INFORMATION CONSULTING CO LTD

A waste treatment device for metallurgical engineering

ActiveCN224352997USolve the problem of adhesion hindering combustionburn fasterNon-combustible gases/liquids supplyIncinerator apparatus
The utility model relates to metallurgical engineering technical field discloses a kind of waste treatment devices for metallurgical engineering, including incinerator, the right end of incinerator is fixedly connected with support plate, the bottom end of support plate is fixedly connected with motor, motor drive end is fixedly connected with driving shaft, the driving shaft is connected with driven shaft by transmission assembly, the driving shaft and the outer wall of driven shaft are rotationally connected in the inner wall of support plate, the upper portion of the outer wall of driving shaft and driven shaft is fixedly connected with half gear, the half gear is connected with placing frame by reciprocating assembly, the bottom end of placing frame is fixedly connected with iron grid, the top of incinerator is fixedly connected with exhaust pipe.In the utility model, the ash produced when waste is burned is shaken down, so that oxygen and unburned waste are in full contact, the burning speed is accelerated, the combustion efficiency is improved, and the active adsorption plate is conveniently disassembled, and the replacement efficiency of the active carbon adsorption plate is improved.
Owner:吴照永

A new type of air premixed flue gas internal circulation ultra-low emission gas combustion device

ActiveCN117387066BInhibition of thermal NOburn fasterCombustorNitrogen oxides
The application discloses a novel air premixing flue gas internal circulation ultra-low emission gas combustion device and relates to the technical field of burners.The application solves the problem of excessive initial emission of nitrogen oxides of the existing gas boiler.The main flame injection nozzle is externally sleeved with a main flame gas nozzle;the main flame gas nozzle is provided with a plurality of flue gas entraining holes;the air passage end is provided with an air passage necking portion;the end of the duty flame gas pipe extends into the gas mixing cylinder and is provided with a plurality of duty flame short pipes at the end;the duty flame gas pipe is internally provided with a duty flame nozzle;and the air premixing holes are arranged on the front pipe wall of the duty flame nozzle.The application completes the partial air premixing in the duty flame gas pipe, improves the duty class gas combustion speed, introduces the flue gas into the combustion device, increases the inert gas content in the combustion zone, dilutes the oxygen concentration through heat absorption of the flue gas, reduces the combustion speed and temperature, and thus inhibits the generation of NOx.
Owner:HARBIN BOILER CO LTD

Fuel gas conveying device for boiler

ActiveCN224201731UEfficient and precise deliveryImplement distributed inputFuel supply regulationFuel feedersThermodynamicsCombustion chamber
The utility model relates to the technical field of gas-fired boilers, in particular to a gas conveying device for boilers, which comprises a support frame, a return pipe, a gas conveying pipe group and a rotating structure, a right combustion chamber is fixedly connected inside the support frame, a cyclone separator is fixedly connected inside the support frame and positioned on one side of the combustion chamber, and a gas conveying pipe group is arranged inside the cyclone separator. The top of the combustion chamber is communicated with the cyclone separator through a pipeline, a backflow pipe is installed between the combustion chamber and the cyclone separator, one end of the backflow pipe is fixedly connected with the side wall of the combustion chamber, the other end of the backflow pipe is fixedly connected with the bottom of the cyclone separator, and the top of the cyclone separator is fixedly connected with an exhaust pipe. A fuel gas conveying pipe set used for conveying fuel gas and coal lock gas is installed at the bottom of the combustion chamber, a rotating structure used for mixing the fuel gas and the coal lock gas is installed in the combustion chamber, and the fuel gas conveying device for the boiler has the advantages of being efficient and accurate in fuel gas conveying and efficient and sufficient in fuel gas mixing.
Owner:SHANXI LUAN COAL BASED SYNTHETIC OIL

Heating device based on hydrogen catalytic combustion technology and using method

The invention is suitable for the technical field of heat supply devices, and provides a heat supply device based on a hydrogen catalytic combustion technology and a using method. The catalytic reaction module is connected with the air inlet mixing module, and a catalyst and a carrier of the catalyst are loaded in the catalytic reaction module; the heat exchange module is connected with the catalytic reaction module; the exhaust cooling module is connected with the catalytic reaction module through a connector; and the tail exhaust module is connected with the exhaust cooling module. The device can better solve the problems of safety control difficulty, low heat utilization efficiency, hydrogen tempering, high-temperature combustion nitrogen oxide emission and the like of direct hydrogen combustion.
Owner:CHINA HYDROGEN YUANAN (BEIJING) TECH CO LTD

Ammonia hydrogen rotor machine based on passive pre-combustion chamber jet ignition and control method

The invention designs an ammonia hydrogen rotor machine based on passive pre-combustion chamber jet ignition and a control method, belongs to the field of internal combustion engines, and particularly relates to an ammonia gas storage tank connected with an ammonia nozzle through an ammonia gas pressure reducing valve, a hydrogen storage tank connected with the ammonia nozzle through a hydrogen pressure reducing valve, and an ammonia hydrogen nozzle arranged in a gas inlet channel. A jet flow spraying hole is formed in the passive pre-combustion chamber and communicates with the main combustion chamber, and the spark plug is arranged in the passive pre-combustion chamber to ignite the ammonia-hydrogen-air mixed gas. By means of cooperative control over the ammonia-hydrogen fuel proportion, regulation and control over the reaction activity of mixed gas in a cylinder are achieved, abnormal combustion is inhibited through the low reaction activity of ammonia, and therefore the power density of a rotor machine is improved; the passive pre-combustion chamber is arranged and jet ignition is combined, so that the ignition stability of low-temperature mixed gas is guaranteed, the turbulent combustion process is accelerated, and the combustion stability and heat efficiency of the rotor machine are improved.
Owner:TONGLIAO HYDROGEN POWER TECH CO LTD

A gasoline antiknock agent and its preparation method and application

This invention proposes a gasoline antiknock agent, its preparation method, and its application, belonging to the field of antiknock agent technology. Palm oil is subjected to molecular distillation, and the secondary distillation product and undistilled substances are collected. The undistilled substances react with ethanol to obtain palm oil fatty acid ethyl esters. The secondary distillation product undergoes a saponification reaction with an alkali to obtain a saponified product, which is then added to water with a hydrophilic emulsifier to obtain an aqueous phase. A lipophilic emulsifier, methyl malonate, and palm oil fatty acid ethyl esters are added to the residual oil to obtain an oil phase. The aqueous phase is then added dropwise to the oil phase, emulsified, and filtered to obtain the gasoline antiknock agent. This gasoline antiknock agent achieves antiknock through the rapid vaporization of nano-water droplets. While providing antiknock protection, it also reduces cylinder temperature and exhaust emissions. Furthermore, its components are safe and environmentally friendly, non-polluting, non-toxic, easily degradable, and low-cost. It maintains good antiknock performance even at relatively low temperatures, indicating broad application prospects.
Owner:SHANDONG YIPENG ENERGY DEV CO LTD

Three-stage oxygenation combustion-supporting air supply structure

The utility model relates to the field of straw combustion equipment, in particular to a three-stage oxygen-adding combustion-supporting air supply structure which comprises a combustion bin, and three stages of air inlets are formed in the combustion bin from bottom to top and include a bottom first-stage air cap, a middle second-stage air cap and a top third-stage air inlet pipe. The space in the combustion bin from the first-stage air cap at the bottom to the third-stage air inlet pipe at the top is gradually reduced, and an air outlet is formed in the top of the combustion bin. The straw combustion-supporting device is reasonable in structure, can effectively achieve sufficient combustion of straw, improves the combustion speed of the straw, can support combustion of flue gas which is not completely combusted, improves the cleanliness of exhausted gas, and is beneficial to environmental protection.
Owner:临江市展铭科技有限公司

A memorial photo frame

ActiveCN224612290Uemission reductionMeet environmental requirements
This utility model discloses a portrait frame for the deceased, specifically relating to the field of funeral supplies technology. It includes a paper frame assembled by folding, which is then fixed by insertion or gluing through connecting holes to form a rectangular frame. The outer surface of the frame is covered with wood grain paper, fabric, or an environmentally friendly coating. This portrait frame uses recyclable corrugated cardboard or compressed cardboard as the frame material, combined with an environmentally friendly coating and low-VOC adhesive. During incineration, the emissions of dioxins, smoke, and other harmful substances are significantly lower than those of traditional wooden / PS frames. It also burns quickly with no solid residue, meeting the environmental protection requirements of funeral settings. It eliminates the need for complex processes such as painting and sanding, and can be formed through semi-cutting, folding, and insertion assembly, reducing equipment investment and labor costs. Furthermore, its detachable structure facilitates transportation and storage, and it is highly adaptable.
Owner:WEIHAI JINGYA CRAFTS CO LTD

Field moving straw burner

The utility model relates to the technical field of agricultural machinery straw treatment, in particular to a field moving straw burner which comprises a main frame and walking wheels, a protective cover, a feeding barrel, a throwing machine, an induced draft fan, an air inlet box, an air outlet box, an air blower and a fuel igniter are arranged on the main frame, and the air outlet box is provided with a hot air nozzle with the air outlet direction facing the ground. The material throwing machine throws crushed straw entering the feeding barrel into the protective cover, the air blower blows air into the protective cover through the air inlet box, the fuel oil igniter ignites and combusts the straw on the protective cover, and hot air generated by combustion goes in and out of the air outlet box through the induced draft fan and is blown to the ground through a hot air nozzle of the air outlet box. The straw burning device is reasonable in structure, can fully burn straws, improves the burning speed of the straws, can be widely popularized to effectively solve the problem that the straws in rural areas are difficult to process, is beneficial to environmental protection, and simultaneously has the function of assisting in treating diseases and insect pests in fields.
Owner:临江市展铭科技有限公司

An ammonia low-nitrogen submerged combustion device and method

This invention discloses a low-NOx submerged combustion device and method for ammonia. The submerged combustion device includes a heating pool, an ammonia burner, a flue, and a heat exchange tube bundle; the heating pool is filled with liquid, and the flue and heat exchange tube bundle are submerged below the liquid surface; the combustion device also includes an ammonia regeneration tank, the lower part of which is located below the liquid surface in the heating pool, and the upper end extending beyond the top of the heating pool; the ammonia regeneration tank has two spray facilities on its side wall, the upper spray facility I is used to introduce and spray liquid above the liquid inlet into the ammonia regeneration tank, and the lower spray facility II is connected to the outlet of the aeration mixture pump; the ammonia burner is used for combustion under oxygen-deficient conditions. The low-NOx submerged combustion device of this invention can achieve efficient low-NOx combustion and simplifies the denitrification equipment required in traditional combustion systems.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Combustible gas integrated mixed combustion device

The utility model discloses a combustible gas integrated mixed combustion device which comprises an air conveying pipe, a brown gas conveying pipe and a natural gas conveying pipe which are sequentially and coaxially sleeved from inside to outside, and the output end of the air conveying pipe and the output end of the brown gas conveying pipe are connected with a combustion end cover. An air overflowing hole position and a brown gas overflowing hole position are formed in the combustion end cover, and the periphery of the combustion end cover is in clearance fit with the inner wall of the natural gas conveying pipe to form a natural gas overflowing groove position. The combustible gas integrated mixed combustion device has the advantages of being simple in structure, high in integration level and good in compatibility, the combustion speed can be increased, and the combustion heat value can be increased.
Owner:GUANGDONG JINYI GREEN ENERGY TECH CO LTD

Ammonia-coal mixed combustion burner and combustion process thereof

The application discloses an ammonia-coal mixed combustion burner and a combustion process thereof, and relates to the technical field of industrial combustion, which comprises a primary combustion chamber and a secondary combustion chamber; the primary combustion chamber comprises: a primary main combustion chamber sleeve; a primary oxygen-enriched cyclone passage arranged in the interior of the primary main combustion chamber sleeve; and primary cyclone vanes arranged at the outlet of the primary oxygen-enriched cyclone passage and used for generating cyclone to mix ammonia fuel with oxygen-enriched gas; and a blunt structure is arranged at the ammonia fuel outlet of the primary burner to pre-mix the fuel with oxygen, which is a flame stabilizing device. The application forms a high-temperature concentrated flame core through the design of the staged combustion structure of the primary pre-reaction flame stabilization and the secondary outlet concentrated explosion combustion, the combustion flame is short and rigid, and the application is suitable for the burning zone of a cement kiln; meanwhile, the combustion speed of the pulverized coal can be obviously improved, rapid ignition and burnout can be realized in the high-temperature explosion zone, the radiation heat exchange capacity is strengthened, and the clinker burning process is facilitated.
Owner:HEFEI CEMENT RESEARCH AND DESIGN INSTITUTE CO LTD

Gas burning cement shaft kiln

The utility model relates to the technical field of shaft kilns, and discloses a gas burning cement shaft kiln. The gas burning cement shaft kiln comprises a shaft kiln device, an equipment combustion layering mechanism is installed in the shaft kiln device, the left side of the shaft kiln device is connected with a heat storage mechanism, the equipment combustion layering mechanism comprises a branch ring installed in the shaft kiln device, a barrier used for clinker layering combustion is installed in the middle of the branch ring, and the branch ring is connected with the heat storage mechanism. And an equipment opening is formed in the surface of the shaft kiln device. According to the vertical kiln device, the branch rings are installed in the vertical kiln device, the barriers are installed in the branch rings, the vertical kiln device is divided into three stages through the arrangement of the branch rings and the barriers, and raw materials which are prone to combustion and high in combustion heat can be placed at the bottom of the vertical kiln device to be combusted; raw materials which are not prone to combustion or raw materials which are long in combustion speed are placed above the branch rings and the barriers to be combusted, the combustion speed of the different raw materials can be increased, and the combustion efficiency of the equipment is improved.
Owner:XINGYE HONGSHI CEMENT CO LTD

Bundled straw direct-fired module fast-assembly boiler

The invention relates to a bundled straw direct-fired module fast-assembly boiler which is partially arranged above a fire grate and comprises a stock bin, a direct-fired module, a direct-fired module and a direct-fired module, the combustion cavity is located below the stock bin; the water cooling device and the stock bin are arranged in the length direction of the fire grate, and the water cooling device is connected to the combustion cavity; the heat exchange device is connected to the water cooling device and located on the side, away from the stock bin, of the water cooling device. According to the technical scheme, the combustion cavity is arranged below the stock bin, so that the whole bag breaking process is in a high-temperature environment, the bag breaking difficulty is reduced, meanwhile, most straw fuel is consumed, and the subsequent fuel consumption pressure is relieved; meanwhile, the stock bin, the water cooling system and the heat exchange device are all independent modules and can be independently transported to an installation site to be combined and spliced conveniently, compared with a traditional boiler, a large amount of site building and welding work is omitted, the installation period is greatly shortened, and the installation cost is reduced.
Owner:TIELING ZHONGYUAN ENVIRONMENTAL PROTECTION EQUIP MFG CO LTD

Ammonia hydrogen fuel engine based on liquid ammonia thermal management supply system and operation control method

The purpose of the present invention is to provide an ammonia hydrogen fuel engine and operation control method based on a liquid ammonia thermal management supply system, including a multi-stage heat recovery unit, a cooling unit, and an ammonia hydrogen fuel internal combustion engine. When the engine is started, the thermal cracker is not working at this time, and the liquid ammonia enters the combustion chamber through direct injection into the cylinder. A small amount of hydrogen in the hydrogen storage tank is supplied to the pre-combustion chamber and the intake duct to assist the initial combustion of ammonia. The hydrogen in the pre-combustion chamber is ignited by a spark plug to achieve ignition of ammonia. After starting, the high-temperature exhaust gas is subjected to multi-stage heat recovery for shaft work compensation. In addition, the heat recovery unit is used to achieve ammonia overheating control and energy supply to the SCR reductant and cracker. The hydrogen mixture can also be pre-mixed with the refluxed ammonia for intake supply. Through the fuel supply and management system, the efficient combustion of ammonia fuel and the efficient operation of the ammonia hydrogen fuel engine are achieved from the perspective of fuel combustion, solving the problem of low thermal efficiency of the ammonia fuel engine caused by the inherent properties of ammonia fuel.
Owner:HARBIN ENG UNIV

A slag melter

ActiveCN117212805BMaintain slag levelSmooth unloadingIncinerator apparatusThermodynamicsFlue gas
This invention relates to the field of carbonaceous material reactor technology, specifically to a slag melter, comprising: a combustion aid distribution ring, which is a pipe arranged in a ring around the outer periphery of a discharger; a first pipe connected to the combustion aid distribution ring to introduce combustion aid; a gas-liquid fuel distribution ring, which is a pipe arranged in a ring around the outer periphery of the discharger; a second pipe connected to the gas-liquid fuel distribution ring to introduce gas-liquid fuel; multiple burners connected to both the combustion aid distribution ring and the gas-liquid fuel distribution ring; the multiple burners generate flames and high-temperature flue gas, which, in conjunction with the discharger, agitate, mix, oxidize, heat, and lift inorganic residues to produce molten liquid inorganic residues; this application distributes gas-liquid fuels and combustion aids as needed, fully mixes and combusts them, generates a stable high-temperature flame to agitate the inorganic residues according to operational needs, and adjusts the temperature of the inorganic residues, maintaining the slag level of the inorganic residues and ensuring smooth discharge.
Owner:BEIJING XINKEYINGYUAN NEW COAL GASIFICATION TECH CO LTD