106results about "Liquid fuel burner" patented technology

The invention discloses a methanol or light hydrocarbon fuel combustor which comprises a hydrogen mixture generator, a fuel pump, a gasification chamber, a variable-temperature variable-pressure adsorption device and a combustion chamber, wherein an input opening of the hydrogen mixture generator is connected to methanol and water vapor; the input opening of the fuel pump is connected to methanol or light hydrocarbon fuel; the input opening of the gasification chamber is connected to an output opening of the fuel pump and an output opening of the hydrogen mixture generator, and an output opening of the gasification chamber is connected to a nozzle; the input opening of the variable-temperature variable-pressure adsorption device is connected to the output opening of the hydrogen mixture generator and the variable-temperature variable-pressure adsorption device is used for adsorbing CO2 to improve the purity of hydrogen and is prior art; a first input opening of the combustion chamber is connected to the nozzle of the gasification chamber, a second input opening of the combustion chamber is connected to the output opening of the variable-temperature variable-pressure adsorption device, and a third input opening of the combustion chamber is connected to a compressed air pump; the position of the second input opening is a housing corresponding to the center of the combustion chamber; and the position of the second input opening is a position adjacent to the first input opening of the combustion chamber and is parallel to the spraying direction of the nozzle. The methanol or light hydrocarbon fuel combustor has the benefits as follows: more sufficient combustion is achieved, high energy is generated, the exhaust emission is reduced and the environment friendliness is realized.

The invention discloses a double-cyclone combustor with a primary air distribution structure; and the double-cyclone combustor consists of a fan, an outer cylinder, an ignition mechanism, an inner cylinder, a cyclone piece, an oil nozzle and an oil way. The double-cyclone combustor is characterized in that cyclone piece blades are set as an inner cyclone blade and an outer cyclone blade; an air stabilizing cylinder penetrating through the inner cylinder along the axis of the inner cylinder is arranged at the top of the inner cylinder; the outer cyclone blade coats the air stabilizing cylinder, and is connected with the outer cylinder through support legs; the inner cyclone blade is arranged in the air stabilizing cylinder; a hole is formed in the center of the inner cyclone blade; and the oil nozzle is positioned rightly above the hole of the inner cyclone blade. The double-cyclone combustor has the following beneficial effects: the fuel and air mixing effect is intensified to improve the combustion efficiency; cyclone air currents are formed in a combustion chamber to form rotating flame so as to improve the combustion stability; and the carbon formation on the wall surface of the combustion chamber is prevented.

A coal nozzle assembly for a pulverized coal burner includes a diffuser. A flow conditioner also may be used with the assembly. The assembly conditions the coal/air flow before the coal/air flow is introduced to the furnace. The flow conditioner directs the coal into the diffuser where it is swirled to form a fuel rich outer ring disposed about an air rich inner portion before the fuel is delivered to the coal nozzle.

The present invention provides a gas combustor which includes a gas container having a discharging nozzle, a fuel gas controlling device, and a piston disposed between the gas container and the fuel gas controlling device and capable of being reciprocally moved; through the pressure applied by a second spring provided in the fuel gas controlling device to the piston being greater than the pressure of a first spring and the fuel gas in the discharging nozzle and the pressure applied by the second spring to the piston being smaller than the pressure for vaporizing fuel in a vaporization chamber, the piston is enabled to be reciprocally and axially moved for opening or closing the discharging nozzle, thus the liquid gas can be effectively and fully vaporized and the combustion efficiency can be greatly enhanced.

A fuel injection device for injecting an air-fuel mixture to a combustion chamber in a combustor of a gas turbine engine includes a fuel injector which is arranged on an axis of the fuel injection device. The fuel injector includes a fuel injection portion for injecting fuel in the radial direction of the fuel injection device, a fuel flow path portion forming a passage through which fuel is supplied to the fuel injection portion, and a heat shield cover that covers an end portion facing toward the combustion chamber side of the fuel injection portion such that an air layer is formed between the heat shield cover and the end portion.

The invention, which belongs to the technical field of the combustion equipment, discloses a combustor with an adjustable flame. The combustor is mainly applied to the oil injection combustion-supporting regeneration process of the diesel particulate filter; and a thin steel plate with the adjustable taper is added into a combustion chamber of a traditional combustor. An adjusting circular plate that moves horizontally with rotation of a long screw rod a and a long screw rod b is arranged at the outer side of the tapered combustion chamber encircled by the thin steel plate; and the cross section size of the combustion chamber can be adjusted by rotating a rotation shaft, thereby realizing adjustment of the flame length and area. In order to avoid the thermal shock on the filter body by the flame, a baffle plate a with holes and a baffle plate b with holes are arranged at one end, approaching the filter body, of the combustion chamber; and adjustment on the passing area of the high-temperature gas is realized by adjusting the opposite position of the baffle plate a and the baffle plate b, thereby protecting the filter body. Meanwhile, according to a temperature signal detected by a temperature sensor, an ECU controls on/off of an injection pump power supply as well as positive and negative motion of a stepping motor, thereby realizing automatic control of the adjustment process.

A combustion gas burner enabling a multi-stage control is provided, which includes a main casing on the bottom surface of which an air blower is mounted so that air can be supplied from the air blower through an air inlet formed in the lower portion of the main casing, a tube-shaped burner mounted on the main casing in which fire hole units each having a number of fire holes formed at a predetermined distance from one another are disposed on the upper end surface of the main casing in order to burn gas and air which are mixed and supplied to the tube-shaped burner, a plate-shaped burner which is detachably disposed between the fire hole units formed on the upper end surface of the tube-shaped burner, and includes fire hole units having a number of fire holes, a number of mixture supply tubes inserted in the tube-shaped burner and disposed at a predetermined distance so that gas and air are mixed and the mixed gas and air is supplied to the tube-shaped burner and the plate-shaped burner, a Venturi tube installed in front of the mixture supply tubes, mixing gas and air and playing a role of distributing an amount of flow of the mixed gas and air which is needed for independent combustion in each burner, and a manifolder connected to the Venturi tube and the mixture supply tubes, controlling an amount of gas and air. A number of premixed combustion gas burners each having an identical output capacity of the burner, are disposed in parallel with one another and a number of operating burners is varied according to a desired calorie.

The invention discloses a double-cavity liquid film miniature liquid combustor and a combustion method thereof. A combustion barrel is composed of an inner barrel and an outer barrel, a plurality of primary ventilation holes are formed in the inner barrel in the circumferential direction at intervals, a gap between the lower end of the inner barrel and a lower end cover serves as a secondary ventilation opening, and a grid is arranged above the primary ventilation holes. Air entering from an air inlet tube drives liquid fuel coming from a fuel inlet to enter a gap between the outer wall of the inner barrel and the inner wall of the outer barrel in a rotational flow mode, so that a liquid film is formed by the liquid fuel and attached to the outer wall of the inner barrel, the liquid film on the outer wall of the inner barrel evaporates constantly as the air flows, mixed gas is formed by the liquid film and the air, one part of the mixed gas enters the inner barrel through the primary ventilation holes, and the other part of the mixed gas enters the inner barrel through the secondary ventilation opening of a lower port of the inner barrel from bottom to top. The combustor solves the technical problems that as for an existing miniature combustor, fuel is combusted insufficiently and unstably, flames are prone to extinguishing and combustion efficiency is low.

A fuel injector for a turbomachine includes an inner heat shield having an air cavity wall defining an air cavity for allowing air to flow therethrough. The inner heat shield includes an integral air swirler forming a downstream end thereof. The integral air swirler extends in an axially downstream direction at least as far as a fuel distribution channel defined on or in a fuel distributor of the injector to direct airflow at an outlet of the fuel distributor.

The invention discloses a micro-combustor for metal mesh heat storage and flame stabilization and a combustion method thereof. The micro-combustor for the metal mesh heat storage and flame stabilization comprises a combustor outer barrel and an igniter arranged in the combustor outer barrel; a combustor comprises a hollow blunt body, a multi-hole medium disc and a metal mesh, wherein the longitudinal section of the hollow blunt body is in the shape of an inverted triangle, the multi-hole medium disc is arranged on the hollow blunt body, the metal mesh is arranged on the multi-hole medium disc, and the bottom of the hollow blunt body is connected with a fuel channel. By means of the multi-hole medium disc, it is guaranteed that fuel is dispersed evenly, the superficial area of the fuel is increased, and the evaporation rate is sped up. A high temperature low-velocity backflow zone is formed near an outlet of the hollow blunt body, the dwell time of the fuel is increased, the metal mesh is taken as a heat storage medium and has the functions of absorbing heat and releasing heat, and the flame temperature can be maintained at a certain level; compared with other combustors, by means of the micro-combustor for the metal mesh heat storage and flame stabilization, a flame can be made to be attached to the metal mesh stably, sharply swing or up and down fluctuation of the flame does not occur along with changes of working conditions, and the stability of combustion of liquid hydrocarbon under micro scale is greatly promoted.

A portable cooking system is provided that includes a burner base, a cooking vessel and a canister. The canister may be oriented in an inverted arrangement. The burner may be oriented vertically above the canister. The system may include an evaporator feed tube that includes a heating section that preheats the fuel prior to the fuel being combusted. Further, the system may include a valve/regulator assembly for reducing the pressure of the fuel prior to the fuel flowing through the evaporator tube or being preheated. The system may be used with butane LPG.

The purpose of the present invention is to provide a method and a device for heating a to-be-heated object, said method and device making it possible to uniformly heat the to-be-heated object in a short time, greatly reduce the generation of carbon dioxide, nitrogen oxides, etc., and allow drying and heating to be carried out efficiently in consideration of the environment. The present invention provides a method for heating a to-be-heated object by supplying a fuel fluid (M1, M2) and a burn-supporting gas (G3) and using, as a heat source, a flame (2) obtained by combusting these, the method comprising gradually increasing the oxygen concentration in the burn-supporting gas (G3) supplied to the burner (3) and thereby increasing the rate of temperature increase of the to-be-heated object; and a device (1) for heating a to-be-heated object, the device (1) being provided with a burner (3) for heating the to-be-heated object, a flow rate control unit (4) for controlling the flow rates of the fuel fluid (M1, M2) and the burn-supporting gas (G3), and a computation unit (5) for transmitting combustion information about the burner (3) to the flow rate control unit (4). The flow rate control unit (4) gradually increases the oxygen concentration in the burn-supporting gas (G3) supplied to the burner (3) and increases the rate of temperature increase of the to-be-heated object.

A burner comprises a central passageway and outlets for fuel and for stabilizing oxidant arranged peripherally around the central passageway, and comprises outlets within the burner through which biasing gas, such as gas comprising oxygen, can be injected to enable control of the direction of the flame that is generated by combustion of the fuel and the oxidant at the face of the burner.

The invention relates to the technical field of kitchen utensils, especially an energy-saving and environment-friendly bio methanol oil fuel stove core with wide temperature range. The stove core includes a hollow cylinder body and a stove core body composed of an annular disk. The lower side wall of the cylinder body is evenly provided with at least three layers of wind inlet holes tilting along the counter clockwise direction by certain angle; the lower end of the stove core body arranged with an oil inlet hole which is communicated with an oil outlet hole of an oil valve switch; a fan access port is arranged below the stove core body; and two adjacent layers of the wind inlet holes are in staggered arrangement. The energy-saving bio methanol fuel oil stove core provided by the invention has the advantages of simple structure, reasonable design and effective reduction of heat energy waste. In combination with bio methanol based fuel, the bio methanol oil fuel stove core can realize better effect, give full play to the advantages of bio methanol oil fuel, reduce fuel fee by 40%-70%, and greatly ease the tense situation in the domestic fuel supplies.

The invention relates to the technical field of kitchen utensils, and particularly relates to a stove core of a biological alcohol oil fuel stove which is wide in temperature range, and has energy-saving and environment-friendly effects. The stove core comprises a cylindrical outer core and an inner core of a conical structure, wherein the height of the inner core is greater than the height of the outer core, at least three layers of air inlets inclined at a certain angle along a counterclockwise direction are uniformly formed in the side wall of the outer core, the lower end of the inner core is connected with a first oil inlet pipe and a second oil inlet pipe towards two sides respectively, and a fan air inlet is formed in the lower part of the outer core. According to the double-oil feeding energy-saving stove core of the fuel stove provided by the invention, the design is reasonable, the use is convenient, the waste of thermal energy can be effectively reduced, the effect is good after the stove core is matched with biological alcohol-based fuel for use, the advantages of the biological alcohol-based fuel can be sufficiently exerted, and the fuel cost of a user can be reduced by 40%-70%.

The invention discloses a heavy oil burner, relating to the field of boiler equipment manufacturing technology; the heavy oil burner comprises an air register, an oil pipe and an oil nozzle; one end of the oil pipe is communicated into the inner chamber of the air register and connected with one end of the oil nozzle; the inner chamber of the air register is provided with a steady burner, a primary air regulating device and a secondary air regulating device, and a high-energy ignition device and an ignition oil gun are arranged beside the oil nozzle. The heavy oil burner can solve the problems that a current fuel oil burner has a poor atomizing effect, and can only burn light oil, as the price of high-quality fuel oil rises constantly, the production cost of an enterprise becomes higher and higher.

Variable momentum burner assembly for separately injecting fuel gas and oxidant in a combustion zone, comprising at least two fuel gas canals, at least one oxidant canal and a fuel gas distributor, whereby the at least two fuel gas canals comprise an inner fuel-conducting passage forming an inner fuel gas outlet and an outer fuel-conducting passage forming an outer fuel gas outlet, said inner and said outer fuel-conducting passages being coaxially arranged; and whereby said fuel gas distributor comprises a first fuel gas chamber in fluid connexion with the inner fuel-conducting passage of the at least two fuel gas canals and a second fuel gas chamber in fluid connexion with the outer fuel-conducting passage of the at least two fuel gas canals.

Burner assemblies are configured to deliver decompressed mobile phase of supercritical fluid chromatography systems to the flame of a flame-based detector while providing for improved optimization of analyte response as well as enhanced flame stability during operation.

A pressure-type alcohol stove includes a stove body, an upper cover, a pre-heating pipe, and an automatic liquid-feeding device, wherein the upper cover is arranged on the stove body and is matched with the stove body to form a vaporization cavity, the pre-heating pipe penetrates through the upper cover and has a bottom end located in the stove body and a top end partially stretching out of the upper cover, a pre-heating cavity is formed around the pre-heating pipe, spirally-distributed spray holes are formed through the upper cover, air jet holes used for air jetting and pre-mixing are formed through an upper part of in the pre-heating pipe. Compared with traditional alcohol stoves, the alcohol stove of this invention has higher power and efficiency.

The invention relates to a classified combustion chamber adopting multi-point injection combustion stabilization classes for improving combustion stability. A structure of an oil gas mixing device at the head portion of the classified combustion chamber comprises center combustion stabilization class assemblies, periphery combustion stabilization class assemblies and main combustion class assemblies. The center combustion stabilization class assemblies are located in the centers of the main combustion class assemblies, and every two periphery combustion stabilization class assemblies are located between the corresponding two adjacent main combustion class assemblies. When ignition is conducted in the combustion chamber, an igniter firstly ignites the periphery combustion stabilization class assemblies close to an outer ring of a flame tube and then ignites the other periphery combustion stabilization class assemblies and the center combustion stabilization class assemblies. Due to the fact that energy of the igniter does not need to penetrate main combustion class air stream, the ignition performance of the classified combustion chamber is greatly improved; and when the combustion chamber works in a large-power state, the center combustion stabilization class assemblies, the periphery combustion stabilization class assemblies and the main combustion class assemblies supply oil at the same time, the center combustion stabilization class assemblies and the periphery combustion stabilization class assemblies have a stabilizing function on main combustion class flames at the same time, and the stability of large-power-state main combustion class combustion is improved.

The invention discloses a self-gasification combustor. An inner cavity of a combustor body is a combustion chamber. A mixing chamber is arranged at the end, at the inlet of the combustion chamber, of a combustor body. A gas and air channel is arranged. The inlet end of the channel is provided with a combustion air inlet, and the outlet end of the channel is communicated with the mixing chamber. A gasification chamber and a pressure adjuster connected to the outlet end of the gasification chamber are arranged. The inlet end of the gasification chamber is provided with a liquid state combustible gas inlet. The outlet end of the pressure adjuster is communicated with the gas and air channel. An electric heating device is arranged outside the gasification chamber in a surrounding mode. The outlet end of the gasification chamber is provided with an electric heating net. The upper portion of the electric heating net is provided with a temperature sensor and a pressure sensor. A first-stage pressure adjusting rod, a first-stage pressure sensor, a second-stage pressure adjusting rod and a second-stage pressure sensor are arranged in the pressure adjuster in sequence from top to bottom. The self-gasification combustor is a mechanical and electrical integrated device which has the maneuverability and can achieve self-gasification, and can directly use liquid state combustible gas by means of the structural features of itself.

The invention relates to an efficient energy saving and environmental protection alcohol group fuel burner which is characterized in that an outer cylinder (12) of a burner body (1) is a cylinder-shaped body; a spray burning cylinder (13) is a cylinder-shaped body mounted in the outer cylinder (12); one end of the spray burning cylinder (13) is connected with the opposite side, where an air outlet (15) is formed, of the outer cylinder (12) into a whole; a plurality of blast holes are formed in an inner wall of the spray burning cylinder (13); a blast orifice of a fan (2) is connected with the center of the spray burning cylinder (13), and communicated with a hollow cylinder wall of the spray burning cylinder (13); an oil spray nozzle (31) and two ignition needles (41) extend to an outlet of a first pipeline (22); an oil spray pipe (3) is connected with an immersed oil pump (5); and the immersed oil pump (5) is positioned at the bottom of a fuel tank (6). When the burner is used, the flame temperature is high enough, so that harmful components in a fuel can be burned out completely, no environment can be polluted, and the burner is convenient to use and good in safety. The burner can improve the energy structure of China and expand the application market of an alcohol group fuel.

An alcohol-based liquid fuel dual-phase self-atomization industrial combustor comprises a combustor body, an alcohol-based liquid fuel delivery device and an alcohol-based liquid fuel gasification and delivery device which are matched mutually. The combustor body comprises a combustor housing, the combustor housing is provided with a fan interface, and an atomization combustion assembly is arranged in the combustor housing. The alcohol-based liquid fuel gasification and delivery device comprises a phase change device, wherein an electric heating element and a gasification tube are arranged in the phase change device, one end of the gasification tube extends out of the phase change device to form a gasification tube inlet for input of alcohol-based liquid fuel, the other end of the gasification tube extends out of the phase change device to form a gasification and delivery tube for outputting the gasified alcohol-based liquid fuel to the atomization combustion assembly in the combustor body, and the alcohol-based liquid fuel gas is utilized to conduct atomization, ignition and combustion on another way of alcohol-based liquid fuel. The alcohol-based liquid fuel dual-phase self-atomization industrial combustor creates conditions for ensuring complete combustion of the alcohol-based liquid fuel and can meet the industrial high-power combustion demand.