13results about How to "Fully stable combustion" patented technology

The present invention relates to the technical field of burners, and in particular to a universal full-time ultra-low nitrogen burner, comprising: a combustion assembly, the combustion assembly comprising a combustion tube and an outer tube mounted on its outer layer, the cavity formed between the combustion tube and the outer tube being connected to a return air cavity, a combustion chamber being arranged in the combustion tube, the inlet end of the combustion chamber being respectively connected to a powder inlet, a plasma igniter and a purge assembly; a tempering nozzle, arranged on the inner wall of the combustion chamber outlet end, and its air inlet being connected to the cavity between the combustion tube and the outer tube, and its air outlet being connected to the combustion chamber and opposite to the powder inlet direction; a tempering channel, arranged on the inner wall of the combustion chamber, between the tempering air outlet of the tempering nozzle and the purge air outlet of the purge assembly, and having openings at both ends connected to the combustion chamber, for solving the technical problem in the prior art that the continuous operation of the burner needs to rely on a plasma igniter, resulting in low combustion efficiency.

This invention discloses a biomass pellet burner, comprising: a hopper including an inlet and an outlet; a screw feeder including a screw feed pipe, a screw feed rotating component disposed within the screw feed pipe, and a screw feed drive component connected to the screw feed rotating component, the outlet being disposed at a first end of the screw feed pipe; a combustion chamber disposed at a second end of the screw feed pipe; an air supply device including an air supply chamber and an air supply drive component connected to the air supply chamber, the air supply chamber including an air distribution chamber and a combustion chamber air chamber, the air distribution chamber communicating with the screw feed pipe, and the combustion chamber air chamber communicating with the combustion chamber; and an ignition device, a sealing plate disposed between the air distribution chamber and the combustion chamber, the inlet end of the ignition device being located within the air distribution chamber, and the outlet end of the ignition device being located within the combustion chamber. This invention avoids backflow and backfire by balancing the pressure of the screw feed pipe and the combustion chamber.

The invention relates to the technical field of combustors, in particular to a universal full-time ultralow-nitrogen combustor which comprises a combustion assembly, the combustion assembly comprises a combustion cylinder and an outer cylinder arranged on the outer layer of the combustion cylinder in a sleeving mode, a cavity formed between the combustion cylinder and the outer cylinder is communicated with a backflow air cavity, and a combustion chamber is arranged in the combustion cylinder; the inlet end of the combustion chamber is respectively communicated with the powder inlet, the plasma igniter and the purging assembly; the tempering nozzle is arranged on the inner wall of the outlet end of the combustion chamber, an air inlet of the tempering nozzle communicates with a cavity between the combustion cylinder and the outer cylinder, and an air outlet of the tempering nozzle communicates with the combustion chamber and is opposite to the powder feeding direction; the tempering channel is arranged on the inner wall of the combustion chamber and located between the tempering air outlet of the tempering nozzle and the purging air outlet of the purging assembly, the two ends of the tempering channel are open, and the tempering channel is communicated with the combustion chamber and used for solving the technical problem that in the prior art, continuous operation of a combustor needs to depend on a plasma igniter, so that the combustion efficiency is low.

This application relates to an environmentally friendly low-NOx burner, belonging to the field of burner technology. It includes a housing, a mounting plate, a central tube, several first combustion tubes, and several second combustion tubes. The mounting plate is coaxially fixed in the housing, and the central tube is fixed to the mounting plate, with the central tube and mounting plate being coaxial. An ignition device is provided inside the central tube. The several first combustion tubes are distributed around the periphery of the central tube and are spaced apart along the circumference of the central tube. The several second combustion tubes are located on the side of the first combustion tubes away from the central tube and are spaced apart along the circumference of the mounting plate. Each first combustion tube includes a gas pipe and an air pipe. The air pipe is sleeved on the gas pipe and communicates with the gas pipe. An adjustment mechanism is provided on the air pipe for adjusting the orifice size connecting the air pipe and the gas pipe. This application allows for adjustment of the air-gas mixing ratio, ensuring complete combustion, reducing the generation of nitrogen oxides, and achieving an environmentally friendly effect.

The present application relates to the technical field of boiler combustion and discloses a multi-stage coal powder burner, which comprises an outer combustion cylinder, an inner combustion cylinder, an adjuster and a combustion stabilizer, the inner combustion cylinder is arranged inside the outer combustion cylinder, a channel is formed between the outer combustion cylinder and the inner combustion cylinder, the adjuster is connected with the outer combustion cylinder, the adjuster is used for guiding mixed gas flow, the mixed gas flow can be divided into a first-stage gas flow flowing through the inner combustion cylinder and a second-stage gas flow flowing through the channel, the adjuster is used for adjusting the flow of the first-stage gas flow and the second-stage gas flow, the combustion stabilizer is connected with the inner combustion cylinder, the combustion stabilizer is provided with a flame spout, the flame spout is arranged in the inner combustion cylinder and is used for spouting a flame to ignite the first-stage gas flow and the second-stage gas flow step by step. The multi-stage coal powder burner of the present application can adapt to different coal types to realize rapid ignition and stable and sufficient combustion.

The present invention discloses an oil supply atomization device, a combustion chamber device and a micro jet engine, comprising: an oil supply ring connected to an oil supply main pipe; an evaporator pipe, the evaporator pipe comprising a preheating part and an evaporator, one end of the preheating part is connected to the oil supply ring, the other end of the preheating part is connected to the evaporator, and the outer periphery of the preheating part is covered with a heat conductor. During operation, the oil supply main pipe supplies fuel to the oil supply ring, the fuel enters the evaporator pipe from the oil supply ring, the fuel first enters the preheating part, the heat conductor can quickly transfer the heat in the combustion chamber to the fuel entering the preheating part, so that the fuel enters the evaporator after rapid preheating, and is ejected after further heat transfer from the evaporator, which is conducive to sufficient preheating before the fuel enters the combustion chamber, so that the fuel is fully evaporated, and uniformly distributed atomized fuel hot steam is formed, the fuel has a high atomization degree, the combustion is more sufficient and stable, the combustion chamber is not prone to stall, and the micro jet engine is not prone to surge and air parking.

The present invention relates to the technical field of micro liquid combustion devices, and discloses a micro charged spray burner suitable for large flow, including a combustion chamber, an atomization unit, a multi-nozzle nozzle, a combustion mesh plate, a fuel supply box and a high-voltage DC power supply; the atomization unit includes an atomization chamber and a metal grid; the combustion chamber and the atomization chamber are separated by a combustion mesh plate, and the metal grid is arranged in the atomization chamber; the multi-nozzle nozzle includes a feed pipe and a plurality of spray layers arranged on the feed pipe, the top end of the feed pipe is sealed, and the plurality of spray layers are arranged at intervals along the axial direction of the feed pipe and close to the top end of the feed pipe, and the plurality of spray layers are all located in a cavity surrounded by the metal grid, and the bottom end of the feed pipe passes through the bottom end opening of the atomization chamber and is connected to the fuel supply box. The present invention also discloses a combustion method suitable for a micro charged spray burner with large flow, and its beneficial effects are: compact structure, high combustion efficiency, and broad application prospects.

The invention relates to the technical field of petrochemical equipment, in particular to a premixing device, a low-nitrogen burner and a ground torch, which comprises a fan, a first pipeline, a second pipeline and a third pipeline, the first pipeline, the second pipeline and the third pipeline are sequentially communicated, the first pipeline is a straight pipeline, and an outlet of the fan is connected with one end of the first pipeline; a spoiler is fixedly arranged at an outlet of the fan; the pipe wall of one side of the first pipeline is connected with an air equalizing pipe in a penetrating manner; the second pipeline comprises a bent section and a straight section; and the third pipeline is a rotary body pipeline. The premixing uniformity of combustible gas and air can be effectively improved, the concentration distribution of the combustible gas and the air in mixed gas is more uniform, combustion is more sufficient and stable, and meanwhile the service life of the combustion head can be prolonged through the uniform temperature field.

The utility model relates to a sludge treatment device containing 60% water, including sludge storage tank, sludge crushing structure, sludge transmission structure and sludge blending combustion structure, sludge crushing structure sets up in sludge storage tank, and the discharge gate of sludge storage tank is connected with the input of sludge transmission structure, and the output of sludge transmission structure is connected with sludge blending combustion structure, and sludge crushing structure carries out crushing operation to massive sludge, and sludge transmission structure transports the sludge particle of crushing to the back spray of sludge blending combustion structure. The device reduces the wastewater and stench pollution produced in the process, does not need to consume steam, and the equipment investment is greatly reduced, and the broken sludge particle atomization is sprayed into the furnace and burns more fully and stably, reduces the wear and tear to the furnace equipment, guarantees continuous, efficient and long -term operation.

The invention relates to a low-calorific-value waste liquid incineration treatment system and method in the technical field of low-calorific-value waste liquid treatment. The low-calorific-value waste liquid incineration treatment system comprises a waste liquid storage tank, a distillation device, a concentration device, a steam pocket, a solid material pipeline, a liquid material pipeline and a boiler incineration device. According to the low-heating-value waste liquid incineration treatment system, low-temperature steam generated by the concentration device is ingeniously used as a heat source of the distillation device to form a secondary waste liquid treatment device, fine decomposition of the low-heating-value waste liquid is achieved under the condition that energy consumption does not need to be increased, and a liquid material and a solid material which are high in heating value and high in combustibility are formed; the temperature value in the hearth can meet the standard temperature value requirement of incineration decontamination by stably combusting the solid material alone or the solid material and the liquid material simultaneously in the hearth; the technical problems of high energy consumption, high cost and increased flue gas emission caused by the fact that a large amount of natural gas needs to be supplemented during combustion treatment of the low-heating-value waste liquid are basically solved.

The utility model relates to the technical field of environmental pollution detection equipment, in particular to a device for collecting three-hand cigarette residues, which comprises a collecting box, the top of the collecting box is rotatably connected with a top cover through a hinge seat, and a three-hand cigarette collecting mechanism is arranged in the collecting box. The collecting mechanism comprises two grid frames which are symmetrically distributed, the two grid frames are detachably connected with the inner wall of the collecting box through bolts, and a plurality of supporting rods which are distributed in a linear array mode are fixedly installed on the sides, close to the center of the collecting box, of the grid frames. Cloth for collecting three-hand cigarettes is clamped on the outer wall of the supporting rod through a clamp; a cigarette table used for fixing cigarettes is arranged at the bottom of the interior of the collecting box, cloth is hung perpendicular to the plane through a grid frame and a linear supporting rod so as to increase the adsorption area, a large amount of three-hand cigarette residues can be rapidly and evenly collected, and during collecting, other pollutants mixed in the environment can be avoided.

The present invention discloses a methanol fuel self-gasification burner for industrial kilns, including a burner body, the burner body including a fuel inlet for inputting gasified methanol and a burner nozzle for spraying flames, and also including a gasification component, the burner nozzle including a combustion chamber sleeve for forming a combustion chamber, the gasification component including a heat transferer tightly sleeved on the periphery of the combustion chamber sleeve, a gasification pipe wound inside the heat transferer, and a PTC electric heating element tightly sleeved on the periphery of the gasification pipe, the gasification pipe outlet and the fuel inlet are connected through a methanol gas delivery pipe. The overall structure of the present invention is simple and ingenious, and no external special fuel gasification device is required, nor is an electric heating gasifier temperature control device required, and the gasification component can control the temperature within the most suitable range for complete gasification of methanol fuel by adjustment.

The utility model discloses a combustion head of a full-premixing water-cooled combustion engine, which comprises a mounting seat, a combustion head, a water-cooled combustion head and a water-cooled combustion head, and is characterized in that the mounting seat is fixed on a boiler; the water inlet pipe is horizontally arranged above the mounting seat; the water outlet pipe is horizontally arranged below the mounting seat; the first cooling pipe is vertically arranged between the water inlet pipe and the water outlet pipe, and a plurality of layers of cooling fins are arranged on the outer wall of the first cooling pipe. The water-cooling burner has the advantages that the burning temperature of flames is reduced in a water-cooling mode, the radiating fins are arranged, burning gas flows through the radiating fins, a structure similar to a nozzle is formed, the purpose of shortening the length of the flames is achieved, burning is more sufficient and stable, and formation of nitric oxide is reduced.