224 results about "Combustion products" patented technology

The invention discloses a photovoltaic-driven IDC electric-cooling linkage method and device, and belongs to the technical field of IDC electric-cooling linkage, and the method comprises the following steps: S1, constructing a gravity energy storage structure; s2, the gravity object is lifted to the highest point of the gravity object channel through the gravity energy storage structure; s3, air at the bottom of the gravity object channel is compressed for the second time, and a thermal cracking reaction is carried out; s4, thermal cracking gas generated by the thermal cracking reaction is drained, and combustion products are discharged into a gas storage chamber; s5, the generated steam waste heat pushes a turbine in a turbine chamber to do work for power generation; and S6, domestic hot water and night heating hot water are prepared, convective heat exchange is conducted, the low-temperature reclaimed water obtained after heat exchange is heated into high-temperature steam in a cooler, the high-temperature steam enters a turbine to become high-temperature reclaimed water, and the high-temperature reclaimed water flows into a control center or a water storage pool. The organic matter compressed garbage is used as a gravity object for gravity energy storage, and heavy oil, solid fuel, adsorbents and other high-value products are produced in the gravity energy storage process.

The present disclosure relates to the technical field of solid-state hydrogen storage materials, and specifically provides a magnesium-based hydrogen storage material based on a core-shell structure, a preparation method therefor, and use thereof. The magnesium-based hydrogen storage material based on a core-shell structure provided by the present disclosure comprises a hydrogenated combustion product of Ni / Fe3O4@MIL and MgH2, wherein Ni / Fe3O4@MIL is a material having a core-shell structure. An inner core of Ni / Fe3O4@MIL comprises Ni-loaded Fe3O4 microspheres, and an outer shell of Ni / Fe3O4@MIL comprises an organic ligand. The magnesium-based hydrogen storage material based on a core-shell structure significantly improves the hydrogen storage performance of magnesium hydride, and can still maintain a high hydrogen absorption capacity at a low temperature.

The invention belongs to the field of simulation optimization control, and particularly relates to a biomass gas blending combustion parameter optimization simulation control system based on combustion product prediction, and the system comprises an acquisition module which carries out data preprocessing based on multi-source pilot frequency sampling and through frequency division domain adaptive filtering and variable step size gradient descent optimization; the prediction module is used for predicting combustion product characteristic indexes through a mechanism and data driven double-layer fusion model; the control mapping module is used for obtaining a boiler control response parameter set by adopting deep reinforcement learning strategy network analysis under multi-target constraint; and the simulation adjustment module is used for loading control parameters in the digital twin platform, judging deviation based on a dynamic self-adaptive threshold value and triggering closed-loop feedback adjustment. According to the method, the problems of inaccurate pollutant prediction and control lag caused by fluctuation of biomass raw materials are solved, and feed-forward accurate control and closed-loop adaptive optimization are realized.

A method of controlling a deflagration combustion process in a pistonless combustor includes scavenging combustion products of the previous cycle, introducing air into the combustor thereby initiating a flow pattern having a first flow component within the combustor, introducing air into the pistonless combustor in a nonparallel angle in relation to the previous air input and thereby creating a second flow component to the flow pattern for increasing speed of combustion propagation, introducing fuel mixed into the air creating a fuel-air mixture flowing within the flow pattern, igniting the fuel-air mixture within the pistonless combustor and introducing fuel by direct injection after the ignition thereby increasing pressure within the pistonless combustor.

The invention provides a burner apparatus comprising:a combustion chamber (8);a fuel dispenser (15, 16) arranged to direct a flow of fuel into the combustion chamber (8), the fuel dispenser (15, 16) being located at an upstream end of the combustion chamber and being connected or connectable to a fuel supply;an airflow modifier device (10), located at an upstream end of the combustion chamber, for controlling a primary air flow into the combustion chamber (8), the airflow modifier device (10) being configured to facilitate mixing of the air with the fuel to give a mixture for combustion; andone or more secondary air channels (24) for directing a cooling secondary air flow onto a stream of combustion products (e.g. flame) as the stream of combustion products emerges from a downstream end of the combustion chamber.Also provided are a dryer apparatus comprising a burner apparatus as described herein and a method of drying aggregates using a burner apparatus as described herein.

The utility model discloses a collection device for combustion products of an aero-engine fuel-rich gas generator, which adopts an asbestos fiber material, a zeolite molecular sieve, sandy soil and a filter screen for multiple filtration, and filters and collects solid-liquid components in outlet flue gas; and under the action of the water-cooling coil pipe, the residual outlet flue gas is cooled to a safe temperature, and the low-pressure gas tank is utilized to complete the collection of gas components. The collecting device disclosed by the utility model is stable in material performance, low in price, good in usability and service life, and capable of obtaining remarkable working and economic benefits.

A fuel system for a hydrogen-fueled gas turbine engine includes a main fuel conduit configured to conduct hydrogen fuel from a hydrogen storage unit to a core combustor of the gas turbine engine, a pre-heater including an auxiliary combustor configured to combust hydrogen fuel diverted from the main fuel conduit to heat hydrogen fuel in the main fuel conduit. A first exhaust passage is configured to conduct combustion products from the auxiliary combustor to the core combustor of the gas turbine engine.

The present application belongs to the technical field of forest fire research, and specifically discloses a forest fire simulation monitoring method and system. The method divides multiple forest fire simulation areas, determines the area where the ignition point is located as a target area; uses a UAV to carry a Fourier infrared spectrometer to collect spectral images in the target area; compares the spectral images with the spectral bands generated by the combustion of existing combustion products to determine the types of combustion products in the target area; based on the spectral images in the target area and the corresponding combustion product types, a flame spectral radiation model is constructed; multiple forest fire danger levels and the corresponding flame spectral radiation ranges of each forest fire danger level are set in advance, and the flame spectral radiation parameters output by the flame spectral radiation model are compared with all flame spectral radiation ranges to determine the forest fire danger level of the target area. By using the flame spectral radiation model, the present application realizes accurate detection and identification of forest fires.

Systems and methods for processing gases are disclosed. A first cryogenic fluid stream is cryogenically separated from an air stream through an O2 production system. A first cryogenic column in a CO2 production system transfers heat to a first portion of the first cryogenic fluid stream. The CO2 production system separates carbon dioxide from a combustion product stream. A second cryogenic column in an N2 rejection system transfers heat to a second portion of the first cryogenic fluid stream. The N2 rejection system separates a second cryogenic fluid stream from a combustible carbonaceous gas fuel stream. The air stream transfers heat to a first portion of the second cryogenic fluid stream.

The application discloses a heating non-combustion device, which comprises a main machine, a heating assembly, a closure body, a rotary connecting assembly and a stop release assembly. One side of the main machine is provided with a containing groove. The heating assembly is arranged in the containing groove and is provided with a heating cavity. The closure body is rotatable relative to the main machine in a plane parallel to the side of the main machine provided with the containing groove to an open position or a covering position through the rotary connecting assembly. The closure body is provided with a stop portion. The stop release assembly is in a stop state and stops at the stop portion to limit the closure body to the covering position. The stop release assembly is in a release state and releases the stop portion to enable the closure body to rotate to the open position. Through the operation of the stop release assembly, the closure body is released from the limitation and can be in the open position under the action of the rotary connecting assembly, that is, the heating non-combustion product can naturally fall in an inverted mode, the user's hand does not need to contact the cover body all the time, the risk of scalding is avoided, and the safety is improved.

An ejection device (100) for a gas generator, the ejection device (100) for ejecting a combustion product, comprising: a detonator (101) with an ignition charge and an ignition area (102) designed to burn the ignition charge; a pyrotechnic device (121) arranged to be burned by burning the ignition charge; a cup (104) made of metal, wherein the cup (104) has a base (107) and a peripheral wall (105), wherein the bottom surface (107) is arranged opposite the ignition area (102), the peripheral wall (105) adjoins a peripheral edge of the bottom surface (107) and is arranged to surround the ignition area (102), wherein the cup (104) further comprises a receiving space (120) which is defined by the peripheral wall (105) and the floor area (107) is formed and receives the pyrotechnic agent (121), wherein the bottom surface (107) of the cup (104) contains a through-hole (108) through which the receiving chamber (120) and an exterior area of ​​the cup (104) are connected, wherein the through-hole (108) is formed by several peripheral through-hole edges (108a, 108b, 108c, 108d), and the adjacent peripheral through-hole edges (108a, 108b, 108c, 108d) are connected to each other at a predetermined connection point, the through-bore (108) contains a narrow part (115) in which the width of the through-bore (108), formed by each of parts of the two peripheral through-bore edges (108a, 108b, 108c, 108d) of the several peripheral through-bore edges (108a, 108b, 108c, 108d), gradually decreases with increasing distance from a center of the bottom surface (107) to the peripheral edge of the bottom surface (107), and the narrow part (115) is closer to the peripheral edge of the bottom surface (107) than a non-narrow part (125) formed by each of the other parts of the two peripheral through-bore edges (108a, 108b, 108c, 108d), and the narrow part (115) is a predetermined part in which stress due to the emission of the combustion product is concentrated, and the bottom surface (107) is designed to be split starting from the narrow part (115), and the peripheral wall (105) is designed to be split.

A heating device comprises a thermally-conductive outer tube, and a combustor arranged to combust air and gaseous hydrogen input to the device and introduce resulting combustion products into a first end of the outer tube. The device includes an igniter arranged to ignite the air and gaseous hydrogen. Combustion products produced by the combustor flow from the combustor to an output of the device along a flow path such that they are in contact with the internal surface of the outer tube over at least a portion of the flow path. Apparatus for heating a flow of hydrogen comprises a conduit for conducting the flow of hydrogen from a principal input port to a principal output port, the apparatus further comprising the heating device located at least partially within the conduit between the principal input port and the principal output port.

The invention relates to the technical field of rotational flow flame holders, and discloses a rotational flow flame holder and multistage air distribution device of a linear flame treatment combustor, the rotational flow flame holder and multistage air distribution device comprises a barrel, a flame stabilizing mechanism is arranged in the barrel, the flame stabilizing mechanism comprises a guide barrel, the guide barrel is located in the barrel, and the guide barrel is located in the barrel. The surface of the guide cylinder is fixedly connected with three first mounting plates distributed circumferentially, and the ends, away from the guide cylinder, of the first mounting plates are fixedly connected with the inner wall of the cylinder body. According to the invention, the inclined guide plate of the guide cylinder enables airflow to form primary rotational flow, the gas-liquid contact area is enlarged, the central pressure is reduced, a foundation is laid for flame root stabilization, the inclined guide plate of the flame stabilizing cylinder further strengthens the rotational flow, a high-strength rotational flow field is formed, and a backflow area formed by the rotational flow field entrains high-temperature combustion products and continuously heats unburned mixed airflow; the flame is kept in a stable combustion state in dynamic airflow, and the mixing efficiency of fuel and air is improved.

This application provides a denitrification control method and system for biomass boilers based on cryogenic catalytic reduction, relating to the field of combustion product treatment technology. The method includes: arranging a denitrification reactor in the tail flue of the biomass boiler and monitoring the associated data of the outlet flue gas in real time; performing multi-level control analysis on the boiler denitrification control space and establishing a multi-level denitrification control channel; monitoring the reaction temperature and dynamically identifying zones in the denitrification reactor to determine the cryogenic catalyst reaction zone set; using the multi-level denitrification control channel to perform dynamic strategy analysis on the associated data of the outlet flue gas and the cryogenic catalyst reaction zone set; monitoring the denitrification execution of the denitrification reactor based on the target boiler denitrification control parameters, and performing dynamic compensation control through flue gas denitrification feedback data. This application can solve the technical problem of unstable denitrification control efficiency in existing biomass boiler technologies, achieving the technical effect of improving the stability of denitrification control efficiency.

The utility model discloses a secondary integrated safe heat flow sealing burner, which belongs to the technical field of burners, and comprises a bottom plate, two support leg blocks are fixedly arranged on the bottom plate, a primary burning cylinder and a secondary burning cylinder are fixedly arranged on the two support leg blocks respectively, the primary burning cylinder is provided with a push plate, and the secondary burning cylinder is provided with a push rod. A graphite packing sealing ring is arranged on the outer side of the push plate; according to the pre-combustion device, the push plate is arranged and can be driven by the high-temperature-resistant air cylinder to move in the first-stage combustion cylinder, the size of the first-stage combustion cylinder can be adjusted through the movable push plate, and the pre-combustion space can be accurately controlled according to the combustion characteristics of different fuels; various fuels can be preliminarily combusted in the most suitable environment, the fuel difficult to ignite can be fully preheated and slowly combusted by enlarging the pre-combustion space, the combustion stability and reliability are improved, and the generation of incompletely combusted products is reduced.

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

Disclosed is a method for synthesizing aluminum nitride by microgravity combustion, which uses Mg4Al3 or Mg 17 Al 12 powder as raw material, and performs combustion in a microgravity and nitrogen atmosphere, and then purifies the combustion product using hydrochloric acid to obtain AlN powder. The method is applicable to both small particles (1 μm in diameter) and large particles (500 μm in diameter), and has a short synthesis time, high purity of the obtained aluminum nitride, and the heat generated by combustion can be used to maintain the temperature of the synthesis chamber, thereby reducing energy consumption.

An apparatus for treating a fluid including an organofluorine compound, the apparatus including: a vessel that contains a liquid with a fluoride bonding agent; a combustion chamber in fluid communication with the vessel via an outlet submerged in the liquid; an inlet configured to introduce the fluid into the combustion chamber; and a flame source configured to produce a flame in the combustion chamber to at least partially break down the organofluorine compound to form a gaseous combustion product bearing fluoride, wherein the gaseous combustion product passes from the outlet of the combustion chamber through the liquid so that the fluoride in the gaseous combustion product is at least partially bound by the fluoride bonding agent.

A hydrocarbon feed can be contacted with dehydrogenation catalyst particles to produce a conversion effluent that includes coked catalyst particles and dehydrogenated hydrocarbon(s). The coked catalyst particles can be contacted with an oxidant and a fuel to produce a combustion effluent that can include catalyst particles lean in coke and a combustion gas. The catalyst particles lean in coke can be contacted with an oxidative gas at an oxidizing temperature for a duration of at least 30 seconds to produce conditioned catalyst particles that can have an activity that can be less than the coked catalyst particles. The conditioned catalyst particles can be contacted with a reducing gas to produce regenerated catalyst particles that can have a dehydrogenation activity that can be greater than the coked catalyst particles. The dehydrogenated hydrocarbon(s) can be cooled, compressed, and a plurality of products can be separated from the compressed gaseous stream.

This application relates to a fuel injector, engine, and mechanical device in the field of engine technology. The fuel injector includes an injector body, a needle valve body disposed at one end of the injector body, a needle valve disposed within the needle valve body, and a nozzle cap for connecting the needle valve body to the injector body. The nozzle cap is fitted onto the needle valve body, and an annular cavity is formed between the inner surface of the nozzle cap and the outer surface of the needle valve body. The annular cavity is located at the end of the nozzle cap away from the injector body. A suitable sealing gasket is placed within the annular cavity, and an interference gasket is fitted onto the needle valve body near the sealing gasket. The fuel injector of this application can reduce the possibility of combustion products entering the injector shoulder, improve the protection of the injector shoulder, and extend the service life of the injector.

Exhaust assemblies for vehicles and methods of installing exhaust systems on vehicles are disclosed. An exhaust assembly for a vehicle includes an exhaust inlet to receive combustion products from a drive unit, a catalytic converter to control emissions from combustion products received by the exhaust system, and a first piping assembly coupled to the exhaust inlet and the catalytic converter.

This invention relates to a vertical oxidation-combustion collection system for sediment or biological radioactive organic carbon-tritium samples and its method of use, comprising: a vertical oxidation-combustion device for oxidizing and combusting the sample and catalyzing it into products to be separated; and a sample collection device comprising: a water vapor trapping module for collecting tritium samples; and a carbon trapping module for collecting... 14 Sample C; A rear-mounted protection module is used to discharge exhaust gas, collect waste liquid, and prevent external air interference with sample collection. This invention, by placing the collection port below the collection container, allows for the collection of tritium samples from combustion products under gravity. 14 Sample C is collected more thoroughly and can also prevent tritium from entering. 14 C-sample collection module, to avoid 14 Sample C enters the post-protection module; more importantly, nitrogen blowing or inert gas blowing can completely remove and collect any residual tritium sample in the collection module. 14 Like C, avoid the occurrence of the memory effect.

The invention relates to a thermodynamic component combined test, and provides a thermodynamic component combined test system and a test method in order to solve the problems that an afterburning cycle engine gas generator is large in propellant mass flow deviation, large in combustion product pollution, high in hot test run cost and the like. The test system comprises a fuel gas generator, a gas venturi tube and a thrust chamber which are coaxially connected; a first component access port is formed in the top of the fuel gas generator, a second component access port is formed in the side face of the fuel gas generator, the first component access port and the second component access port are used for accessing a first component propellant and a second component propellant respectively, and a plurality of fuel gas performance monitoring ports are formed in the side face of the gas venturi tube; a second component regeneration cooling access port is formed in the side surface of the outlet end of the thrust chamber and is used for regenerating and cooling a second component propellant and then accessing the second component propellant into the thrust chamber; the test method based on the test system can effectively improve the efficient, reliable and environment-friendly hot test run test between the fuel gas generator and the thrust chamber.

The application relates to a solid oxide co-electrolysis driven carbon cycle liquid fuel preparation system, which comprises a solid oxide electrolysis device configured to produce synthetic gas; a Fischer-Tropsch device in pipeline communication with the solid oxide electrolysis device; a multi-component separator in pipeline communication with the Fischer-Tropsch device; a feeding device in pipeline communication with the multi-component separator; and a combustion device in pipeline communication with the multi-component separator and the Fischer-Tropsch device. Hydrogen and the like can be sent into the feeding device to form gas raw material supplement and recycling, carbon monoxide and hydrogen can also be sent into the combustion device to generate high-temperature combustion products, the high-temperature combustion products are transported to the solid oxide electrolysis device, the gas raw material can be heated, high-temperature heat recovery is realized, and a high-grade heat source is provided for the solid oxide electrolysis device; therefore, the energy utilization efficiency of the system and the yield of the synthetic liquid fuel are remarkably improved.

The application discloses a kind of self-adapting flameless combustion multi-pollutant collaborative control methods for electronic waste pyrometallurgical recovery two combustion chambers, it is related to the technical field of combustion control and pollutant generation in situ inhibition of electronic waste pyrometallurgical recovery.The combustible component flue gas is introduced into the front section of two combustion chambers, so that the combustible flue gas environment is formed in the front section of two combustion chambers;The auxiliary fuel is introduced into the front section of two combustion chambers in the form of axial injection, and the flameless distributed combustion main reaction zone is formed in the front section of two combustion chambers;In the rear end of two combustion chambers, the combustion-supporting medium is introduced in a staged oxygen-supplying manner, and the oxidation reaction of carbon monoxide and intermediate combustible components in the combustion products is completed through a high-temperature oxidation environment;Based on the temperature field distribution, oxygen concentration distribution and combustion incomplete component characteristic parameters in two combustion chambers, the fuel injection parameters and combustion-supporting medium staged supply parameters are adjusted, so that the overall combustion state in two combustion chambers is stably maintained in the flameless distributed combustion state.The application can improve the overall pollutant control stability and operation reliability of the system.

The application discloses a low-nitrogen combustion head of a hole plate type, which comprises a premixed gas flow cavity and a plurality of inserts. A plurality of first long holes are formed in the surface of the premixed gas flow cavity. The insert comprises a body, and a plurality of tongue portions extending laterally along the body are arranged at intervals on the body. The body of the insert is located inside the premixed gas flow cavity, the tongue portions are inserted into the first long holes and extend out of the surface of the premixed gas flow cavity, a gap is left between the tongue portions and the inner wall of the first long holes, a plurality of second long holes are arranged on the tongue portions, and the second long holes extend from the inside of the premixed gas flow cavity to the outside. The cold and hot deformation of the insert is utilized to generate friction with the premixed gas flow cavity, so that the accumulation of combustion products such as carbon deposition at the flame passage is eliminated, the service life is improved, and the cost is low.

The present application belongs to the technical field of gas turbine, and relates to an indirect heating biomass gas turbine system and a method thereof, comprising an air compressor, an air turbine, a generator, a combustion chamber, a first waste heat recovery module, an indirect heating module, a second waste heat recovery module and a third waste heat recovery module. The present application adopts the mode of indirect heat exchange between compressed air and flue gas to heat the compressed air, avoids the direct contact between the fuel combustion products and the turbine blades, effectively prevents the problems of turbine blade corrosion, dust accumulation, wear and fouling, and prolongs the service life of the core components such as turbine blades. At the same time, the tail gas waste heat of the air turbine is used to heat the compressed air, the average heat absorption temperature of the air is improved, and the fuel combustion heat conversion efficiency is improved. In addition, the tail gas waste heat of the air turbine is used to heat and cool the user, which not only improves the energy utilization efficiency of the system, but also realizes heat and power cogeneration in winter and cold and power cogeneration in summer.

Analytical instrument (1), in particular for determining the content of nitrogen, carbon, hydrogen and / or sulfur in a sample (P), comprising a combustion unit for combustion of the sample (P), a ballast chamber (7) for receiving gaseous combustion products and a movable piston (54) arranged in the ballast chamber (7), characterized in that the ballast chamber (7) is designed for the selective receiving of combustion products in two sub-chambers (52, 53) separated from each other by the piston (54).

A method and apparatus for operating a flare stack pilot with a fuel having a high flame speed includes a structure which is operable to recirculate products of combustion to be mixed with the incoming fuel to dilute the incoming fuel to reduce the flame speed of the resulting mixture.