44 results about "Post combustion" patented technology

The utility model relates to the technical field of kitchen utensils, and provides a novel furnace end which comprises a furnace end body provided with a combustion cavity, an ignition needle used for igniting liquid fuel and a heating device used for preheating the liquid fuel to promote gasification of the liquid fuel are arranged on the combustion cavity, and the furnace end body is provided with an air inlet device. A plurality of circles of air inlet channels which are arranged at intervals in the circumferential direction and penetrate through the side portion of the combustion cavity are formed in the side portion of the combustion cavity, the input end of the air inlet device communicates with outside air, the output end of the air inlet device communicates with the air inlet channels, and the outside air enters the combustion cavity through the air inlet device and the air inlet channels and forms spiral airflow spirally flowing in the combustion cavity. After being gasified, the liquid fuel is mixed with the spiral air flow, so that the gasified liquid fuel is fully combusted, and the technical problem that carbon black is easily generated in a combustion cavity due to insufficient combustion after the liquid fuel of an existing furnace end is gasified is effectively solved.

A method of heating water in a tankless water heating appliance in conditions of low water flow or no water flow is disclosed. A water supply is introduced into a heat exchanger configured to transfer heat to the water supply from a burner when the water supply is contained in the heat exchanger. A pulse fire duration is determined for the burner and a pre-defined condition of the water supply is sensed. When the pre-defined condition is sensed, the burner is activated to fire for the pulse fire duration, and the burner is deactivated after the pulse fire duration is elapsed. The pre-defined condition of the water supply is monitored, such that when the pre-defined condition is sensed again, the burner is activated to fire for another pulse fire duration, and the burner is deactivated after the another pulse fire duration is elapsed.

A thermal energy carrier and a heating and power generation system are disclosed, belonging to the field of thermoelectric technology. Existing heating and power generation systems are generally horizontally positioned for easy connection of the exhaust outlet to a chimney. However, this arrangement causes fuel to flow back to the ignition needle, reducing ignition success rate and hindering fuel diffusion and volatilization. This invention includes an exhaust pipe and a radiator. The thermal energy carrier has an installation chamber at its front end. Multiple heat-absorbing ribs are arranged circumferentially on the inner wall of the installation chamber, forming an exhaust groove between adjacent ribs. After the burner is inserted into the thermal energy carrier, the combustion chamber of the burner communicates with the installation chamber, and the exhaust groove forms an exhaust channel with the outer wall of the burner. The exhaust pipe is located on the side of the thermal energy carrier and is connected to the exhaust channel to discharge flue gas from the exhaust channel. An insertion port is located at or near the top of the thermal energy carrier. The radiator is located at the rear of the thermal energy carrier to accelerate the heat diffusion rate.

The use of nitrogen-containing compounds as additives in a diesel fuel composition to reduce the impact of deposits in the post combustion system of a diesel engine when combusting said diesel fuel co

This invention provides a control method for waste incineration equipment that reduces NOx emissions. [Solution] The combustion apparatus comprises a furnace into which the gas after combustion flows, a furnace body that includes a drying stage, a combustion stage, and a post-combustion stage and burns and transports the material to be incinerated, and, when the upstream side in the transport direction of the material to be incinerated is referred to as the front and the downstream side in the transport direction is referred to as the rear, a primary combustion chamber having a front ceiling portion extending forward from the furnace, a rear ceiling portion extending backward from the furnace, and a rear wall extending downward from the rear end of the rear ceiling portion, a secondary combustion chamber provided connected to the outlet side of the primary combustion chamber and having a secondary combustion gas supply nozzle, an optical measuring device provided in the primary combustion chamber for detecting targets in a specific wavelength band, and means for calculating the detection position of the target in the specific wavelength, and increasing the reaction rate of reduction in the downstream reduction region by increasing the NOx concentration early by activating the reaction of the unburned gas at the detection position and promoting the generation of NOx.

The invention relates to a furnace (1) for recycling photovoltaic modules (100), said furnace comprising a pyrolysis enclosure (2), a post-combustion chamber (3), a first circuit (411) and a second circuit (412) for distributing a combustible gas and an oxidizing gas, which circuits are connected to the enclosure (2), a third, neutral gas distribution circuit (6) designed to inject said gas into the enclosure (2), a fourth, water distribution circuit (7) designed to inject the water into the enclosure (2), a temperature sensor (32) for measuring what is referred to as the outlet temperature of the chamber (3), a pressure sensor (29) for measuring a pressure referred to as the internal pressure of the enclosure (2), and a controller (C) designed to control the injection of neutral gas by the third distribution circuit (6) on the basis of the outlet temperature and to control the injection of water by the fourth distribution circuit (7) on the basis of the internal pressure.

The application belongs to the technical field of ship power and distributed energy, and particularly relates to a marine combined heat and power system based on a compact reformer and an application method. The system comprises a combined heat and power module and a transcritical CO2 cycle module. The combined heat and power module converts the chemical energy of gaseous fuel into electric energy and generates combustion tail gas. The transcritical CO2 cycle module recovers and utilizes the waste heat of the combustion tail gas to generate power. The application overcomes the defects of the separation of the pre-reformer and the after-burner structure, the large system volume and the long heat and mass transfer path in the prior art, solves the problems of low high-grade waste heat utilization rate and low system comprehensive energy efficiency in the prior art, and realizes the collaborative optimization of system miniaturization, multi-stage efficient energy utilization and extremely low emission.

The utility model discloses a support frame for a gas-fired boiler, which comprises a burner, the left side of the burner is communicated with a gas-fired boiler main body, the bottom of the burner is provided with a support frame, and the bottom of the support frame is fixedly connected with a heightening frame. Through cooperation of the supporting frame and the mounting frame, the combustor is stably supported, vibration force generated by the gas boiler body difficultly drives the combustor to shake, in order to enable the combustor to work more stably, the motor is started, the motor drives the rotating plate to rotate, and the rotating plate drives the push rod to contract. The push rod drives the clamping plate to move towards the side close to the burner, after the clamping plate makes contact with the burner, the front-back direction of the burner is limited, the burner can be stably matched with the gas-fired boiler body for work for a long time, and the gas-fired boiler has the advantage of being safe and stable in operation; and the combustor cannot be driven by vibration force of the gas-fired boiler, so that the overall use stability of the gas-fired boiler is improved.

The invention relates to a pyrolysis furnace suitable for batchwise treatment, for breaking down photovoltaic modules, said pyrolysis furnace comprising: - a pyrolysis enclosure, isolated from the outside by a leaktight door; - a post-combustion chamber fluidically connected to the pyrolysis enclosure; - heating means for the pyrolysis enclosure and for the post-combustion chamber; - at least a first and a second location in the pyrolysis enclosure; - at least a first and a second removable support that are configured to support a plurality of photovoltaic modules and are arranged respectively in the first location and the second location; - a neutral gas distribution system designed to inject said neutral gas into the pyrolysis enclosure and to maintain a preliminary temperature at the second location that is lower than a pyrolysis temperature applied at the first location. The invention also relates to a pyrolysis method.

The invention provides a rotary detonation combustion chamber injection device with an air mixing circular seam. The rotary detonation combustion chamber injection device comprises an oxidizing agent circular seam, a fuel injection hole and the air mixing circular seam. The application object of the device is a rotary detonation combustion chamber, and the device is arranged at one end of an annular flow channel of the rotary detonation combustion chamber. In a working state, the air mixing circular seam starts supplying while the oxidizing agent circular seam and the fuel spraying hole supply normally. When rotating detonation waves propagate in the combustion chamber, the detonation waves are locally decoupled in the radial direction of the combustion chamber due to the fact that no fuel exists in the downstream position of the air mixing circular seam, and the pressure and the temperature are both reduced; the air and detonation wave combustion products are mixed at the head of the combustion chamber, and the temperature of the products is further reduced. Under the condition that the supply conditions of an oxidizing agent, fuel and mixed air are fixed, the rotating detonation wave propagation process and the air mixing process reach dynamic balance, the pressure and temperature of combustion products near an outer ring and an inner ring of a combustion chamber are reduced, and the uniformity of fuel gas parameters at an outlet of the combustion chamber is improved.

A solid oxide fuel cell (SOFC-C) with burners addresses the fast start-up, high weight power density, and emission control issues faced by SOFC in aerospace and other mobile vehicle applications by providing efficient clean power generation for full hybrid or partial hybrid propulsion systems. The SOFC-C may include one or more SOFC tubes and a combustion chamber integrated within a housing. Fuel may be provided through an anode portion of one or more SOFC tubes or stacks and combust upon exiting the one or more SOFC tubes or stacks. Combustion products may then be provided through the cathode portion of the one or more SOFC tubes or stacks, whereby contaminants may be reduced or removed from the combustion products through the cathode portion before exiting the housing as exhaust gas. The cathode inlet temperature may be controlled by controlling the fuel flow.

The invention belongs to the technical field of aero-engine tests, and relates to an afterburner experiment table rear combustion section which is mainly composed of a combustion section casing, a fuel nozzle with a single-stage cyclone, a composite flame stabilizing working unit and an ignition electric nozzle. A swirler I and a swirler II in the composite flame stabilizing working unit are utilized to form a swirling airflow and stable backflow area, and mixed gas in the backflow area is ignited by an ignition electric nozzle; according to the design, the synergistic effect of the swirler combination and the V-shaped evaporation tube flame stabilizer is optimized, and a rear water cooling and tail end spraying system of the combustion section casing is matched, so that efficient and clean combustion of the unburned fuel gas is ensured, the structure is compact, the economical efficiency is good, and the combustion efficiency is high. And the problem of emission treatment of unburned fuel gas in the afterburner test is effectively solved.

- related to the patent application with the title: Destroyers of sanitary - rate with technical characteristics - parameters: - constructive type: cylindric horizontal - with tunnel-type combustion chamber, with post combustion chamber on the flue gas path - fuel: GN - natural gases + green - H2 - thermal power 160 kW -- 1600 kW Pmax 3700 kW - temperature 1250 - 1300°C Tmax 1400°C with continuous online monitoring with analysis, metering and data, storage Sanitary-organic waste destroyer is characterized by the fact that: In addition to the combustion of sanitary -organic waste in a tunnel oven with burners on GN fuel - Natural Gas + Green H2, there is also a combustion of the flue gases in a post-combustion chamber with a burner on GN fuel + Green H2 for the purpose of burning dioxin and furans resulting from the combustion of plastic waste and in view of the classification as pollutants permitted by environmental legislation. The green hydrogen that is used by injecting into the natural gas supply pipeline replacing 20% of the natural gas consumption is produced by a modular station - Hydrogen production Electrolyser at the pressure of 1 ~ 4 bar, which uses solar energy: photovoltaic panels. Advantages: reduces natural gas consumption, increases yield, efficiency reduces costs, reduces harmful substances, burns sanitary - organic waste.

The invention discloses gasified slag composite fuel as well as a preparation method and application thereof. The gasified slag composite fuel is prepared from the following components in parts by mass: 40 to 60 parts of gasified slag, 30 to 50 parts of inflammable solid waste and 2 to 8 parts of clay mineral. The composite fuel provided by the invention takes gasified slag as a main raw material, and agricultural and forestry wastes or urban organic solid wastes as auxiliary materials. After the composite fuel is used for blending combustion of a coal-fired boiler, heat energy of carbon-containing substances in the composite fuel can be recycled, and meanwhile solid waste is deeply reduced; by blending combustion of the composite fuel provided by the invention, the consumption of boiler fire coal can be reduced, and the purpose of carbon reduction is achieved. The compound fuel provided by the invention is reasonable in volatile component and fixed carbon content matching, and the combustion characteristic is similar to that of fire coal; meanwhile, the particle size distribution characteristics of the composite fuel are further optimized. After the composite fuel provided by the invention is used for blending combustion, the combustion process is more stable, and the stability of the combustion working condition in a boiler is favorably maintained.

1. Name of the product in this design: Gas Distributor (120). 2. Purpose of this design: To disperse and burn natural gas. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: the front view.

A carbon recycling control system may generate electricity using blast furnace gas emissions from a blast furnace, the blast furnace gas emissions including carbon dioxide. A carbon recycling control system may concentrate the carbon dioxide from the blast furnace gas emissions using a post combustion carbon capture process, the post combustion carbon capture process resulting in a carbon dioxide rich stream. A carbon recycling control system may generate carbon monoxide at an electrolyzer using the carbon dioxide rich stream, the carbon monoxide combined with hydrogen gas to form a syngas. A carbon recycling control system may inject the syngas into the blast furnace.

The invention belongs to the technical field of wall-hanging stoves, and particularly relates to an air filtering and rainwater collecting integrated structure and a gas wall-hanging stove. Comprising a wall-hanging stove shell, a wall-hanging stove body is arranged in the wall-hanging stove shell, the top of the wall-hanging stove shell is connected with a coaxial smoke pipe, the coaxial smoke pipe is connected with the wall-hanging stove body, an air filtering and rainwater collecting structure is fixed to the inner wall of the top of the wall-hanging stove shell, and the position of the air filtering and rainwater collecting structure corresponds to that of the coaxial smoke pipe. According to the invention, air with residual dust particles or water vapor is blocked when passing through the filter screen, so that the air is purified, waste during combustion is reduced during final combustion, the heat exchanger is protected, and the heat efficiency is improved.

The utility model relates to low nitrogen combustor technical field, concretely relates to an external uniform mixing type low nitrogen combustor, including main pipeline, flow divider, gas shunt pipe, ignition gas gun, ignition device and flame monitoring device, and the main pipeline is respectively communicated with gas inlet and combustion -supporting air inlet who sets up, uses natural gas from gas inlet to enter the main pipeline inside, and directly runs to the flow divider downward, then directly shunts through a plurality of gas shunt pipes, and the gas can mix with the air in the premixer at the bottom of the main pipeline finally, then, when encountering open fire, can burn fully, the gas and air mixing structure of the application compares the ratio control structure under prior art, less by outside interference, gas and air directly premix in the burner's spout, then burn after encountering open fire, the structure is more simple, and flow delivery is more stable, and further can pass in gas spout premix gas and air, compared with the existing ratio control structure, will be more conducive to the stable combustion of the burner.

The use of a nitrogen containing detergent as an additive in a diesel fuel composition to reduce the impact of deposits in an exhaust gas recirculation (EGR) system and / or the post combustion system o

A suction enabled post shutdown combustor cooling and ventilation system including a pump fluidly coupled with a suction line, wherein the suction line is fluidly coupled with suction ports proximate a fuel system component near the combustor; a pump suction valve positioned in the suction line upstream of the pump; a pump discharge line fluidly coupled with the pump, an outlet fluidly coupled with the pump discharge line; and an engine core flow path fluidly coupled with the suction ports.

Provided is an exhaust gas treatment facility that is capable of desulfurizing and / or desalinizing in a furnace while suppressing running costs and that can reduce risks to workers. [Solution] An exhaust gas treatment facility (3) that neutralizes acidic gas components contained in combustion exhaust gas generated by the combustion of materials to be combusted in a stoker-type combustion furnace (2), and is equipped with a neutralizing agent injection means (60) that injects a neutralizing agent containing powdered limestone into the furnace of the stoker-type combustion furnace (2). The stoker-type combustion furnace (2) includes a main combustion chamber (11) in which the materials to be combusted are burned while being moved sequentially through a drying stage, a combustion stage, and a post-combustion stage, and it is preferable that the neutralizing agent injection means (60) is configured to inject the neutralizing agent toward the drying stage and / or the combustion stage in the main combustion chamber (11).

The application discloses a kind of industrial furnace combustion diagnostic methods based on flame image, including the arrangement of camera: a pair of side walls of boiler flue above the secondary air nozzle of industrial boiler is respectively provided with one camera device;Image acquisition and processing: two flame cameras are respectively named as camera one and camera two, the video signal of camera one and camera two is connected into the same computer, every certain time respectively extracts a frame of RGB image, then according to the area rate of flame and gray value, left and right combustion deviation index Dp1, front and back combustion deviation index Dp2 and combustion fluctuation index Db are calculated, and the combustion state of flame is diagnosed according to the size of Dp1, Dp2 and Db.The method provides diagnostic information of the stability and uniformity of industrial boiler combustion, with the advantages of low latency, large monitoring range, good adaptability, high precision, low cost, provides high-quality diagnostic information for combustion control and automatic operation.

A system, that includes a gas treating system having at least one of (i) an absorption-based system, having at least one absorber, and / or (ii) an adsorption-based system having at least one adsorber. The system further includes a combustion device, operatively coupled to the gas treating system, an Organic Rankine Cycle (ORC) operatively coupled to the combustion device and / or to the gas treating system, and a control module, wherein the control module is configured to cause energy to be diverted from one or more of combustion device exhaust flow, thermal fluid, stripped gas, compressed stripped gas, natural gas, compressed natural gas, ORC propellant, chilled thermal fluid, jacket water fluid, auxiliary cooling water, and / or turbine lube oil, through any of the gas treating system, the combustion device and / or the ORC to provide heat and / or cooling and / or power.

The present application relates to the technical field of welding, and discloses a large-size steel structure welding preheating device, which comprises a turbofan jet engine, one end of the turbofan jet engine is an air inlet, and the other end is a rear combustion chamber, a vortex sleeve is arranged outside the turbofan jet engine, a nitrogen air compressor is arranged at the front end of the air inlet, one end of the vortex sleeve is provided with a cold gas discharge pipe, and the other end is provided with a hot gas discharge pipe, the cold gas discharge pipe is located on the same side as the air inlet, and the hot gas discharge pipe is located on the same side as the rear combustion chamber. Compared with the prior art, the present application has the advantages that the turbofan jet engine generates high-temperature gas flow, realizes large-flow and high-flow-speed hot gas flow injection, and has a wider preheating range; the nitrogen air compressor mixes cold nitrogen into the air inlet, reduces the oxygen content of the combustion zone, and reduces the oxidation risk of the preheating area; the hot gas discharge pipe forms a low-oxygen hot nitrogen layer in the periphery of the high-temperature tail gas, reduces heat loss, and further inhibits oxidation.

The invention relates to a furnace (1) for recycling photovoltaic modules (100), comprising a pyrolysis chamber (2), a post-combustion chamber (3), a first (411) and a second (412) distribution circuits for a fuel gas and an oxidizing gas, connected to the chamber (2), a third distribution circuit (6) for neutral gas configured to inject said gas into the chamber (2), a fourth distribution circuit (7) for water configured to inject water into the chamber (2), a temperature sensor (32) for measuring a temperature called the outlet temperature of the chamber (3), a pressure sensor (29) for measuring a pressure called the internal pressure of the chamber (2), and a controller (C) configured to control the injection of neutral gas by the third distribution circuit (6) as a function of the outlet temperature, and to control the injection of water by the fourth distribution circuit (7) as a function of the internal pressure.Figure to be published with the abbreviation: Figure 2.

An advanced process and system for post combustion CO2 capture (PostCO2) using CO2—NH3—H2O ammoniated solution is provided. The process includes three main subsystems: CO2 absorber operating at ambient pressure, CO2 regenerator operating at elevated pressure and ammonia reclaimer. The system is designed for high CO2 capture efficiency, high CO2 loading, low heat and power consumption and regeneration of clean and high-pressure CO2 stream. No steam is required for the regeneration and instead hot flue gas is applied directly and efficiently in the reboiler. Moderate amount of chilling is used to control ammonia emission from the absorber.

The invention relates to a pyrolysis furnace, adapted for batch processing, for dismantling photovoltaic modules, comprising: - a pyrolysis chamber, isolated from the outside by a sealed door, - a post-combustion chamber fluidly connected to the pyrolysis chamber, - heating means for the pyrolysis chamber and for the post-combustion chamber, - at least one first and one second location within the pyrolysis chamber, - at least one first and one second removable supports, configured to support a plurality of photovoltaic modules, and arranged respectively in the first and second locations, - a neutral gas distribution system configured to inject said neutral gas into the pyrolysis chamber and to maintain a preliminary temperature at the second location, lower than the pyrolysis temperature applicable to the first location. The invention also relates to a pyrolysis process.Figure to be published with the abbreviation: Fig.2a.

Use of one or more ester compounds as an additive in a diesel fuel composition to reduce the impact of deposits in the exhaust gas recirculation system and / or the post combustion system of a diesel en

The present application relates to the field of aero-engine combustion technology, and particularly relates to a combined oil supply nozzle for a small aero-engine combustion chamber. The combined oil supply nozzle comprises a nozzle rod, a centrifugal nozzle and an evaporation pipe. The centrifugal nozzle and the evaporation pipe are connected to the nozzle rod by welding. When the engine is working, fuel enters the nozzle rod, and is divided into two paths. One path of fuel passes through the centrifugal nozzle, and the other path of fuel passes through the evaporation pipe. The fuel is injected into the flame tube and is mixed with air to be combusted. The combined oil supply nozzle uses a fuel staging technology of a combination of a centrifugal nozzle and an evaporation pipe. According to the working characteristics of the centrifugal nozzle and the evaporation pipe, the performance of the combined oil supply nozzle is complementary, the combustion efficiency and the overall performance of the engine under low working conditions are improved. The evaporation pipe overcomes the shortcoming of a small adjustment ratio of a single centrifugal nozzle, and meets the performance requirements under large states. At the same time, due to the fuel staging, the system complexity is reduced, the structure weight of the engine is reduced, and the overall cost of the engine is reduced.

This invention relates to the field of high-temperature solid oxide fuel cell (SOFC) cogeneration technology, specifically providing a co-regulation system for SOFC cogeneration, comprising a fuel gas supply subsystem, an air supply subsystem, an SOFC module, a burner module, an exhaust gas staged utilization subsystem, a waste heat cascade recovery subsystem, a power output subsystem, a central control system, and peripheral auxiliary systems. The fuel gas supply adopts a dual-path design, one path powering the SOFC and the other replenishing fuel to the burner; the exhaust gas staged utilization subsystem premixes SOFC exhaust gas with fresh fuel before combustion; the waste heat cascade recovery subsystem achieves cascaded heat utilization; the central control system is electrically connected to various sensors and actuators, and incorporates a co-regulation model to achieve rapid thermoelectric ratio adaptation. This invention solves the problems of slow thermoelectric ratio response, low fuel utilization, and unstable battery operation in existing systems, and can be widely used in industrial, commercial, and residential cogeneration scenarios.