113 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 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 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 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.

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 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.

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 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 invention discloses an ammonia-methanol coupling gas production device and a use method thereof, and belongs to the technical field of controllable atmosphere preparation, the ammonia-methanol coupling gas production device comprises a central combustion zone, a peripheral cracking zone and a tail mixing purification zone which are coaxially nested; the central combustion area comprises a hearth wall, and the hearth wall is of a honeycomb-shaped porous heat exchange structure; the peripheral cracking area is arranged on the outer side of the central combustion area, a catalyst bed layer of a spiral flow guide structure is arranged in the peripheral cracking area, and a high-temperature-resistant heat-conducting filling layer is arranged between the catalyst bed layer and the hearth wall of the central combustion area; the tail mixing and purifying area is connected to the downstream of the central combustion area and the peripheral cracking area and used for mixing and purifying combustion products from the central combustion area and cracking gas from the peripheral cracking area. By optimizing a heat exchange interface and a catalyst bed layer structure, the heat transfer uniformity and the response speed are enhanced, so that stable temperature control and preparation of high-purity mixed gas are realized.

A furnace including a combustion chamber for burning fuel can have increased fuel burning efficiency, increased heating efficiency, and decreased harmful emissions of combustion byproducts. A combustion air delivery system delivers primary and secondary combustion air to the combustion chamber. Primary and secondary combustion air may be delivered at amounts that increase burning efficiency. An amount of secondary combustion air can be controlled by a valve system. A heat transfer device efficiently transfers heat from products of combustion for heating an enclosed space.

A furnace (2) for an analytical instrument (1) for analyzing a sample is shown and described, comprising a combustion tube (4), wherein the sample can be introduced into the combustion tube (4), preferably by means of a crucible (6), and can be combusted at least partially in the combustion tube (4), preferably with the addition of an oxidizing agent. According to the invention, a guide tube (7) is provided that surrounds the combustion tube (4) at least partially, wherein a guide channel (8) for combustion products released in the combustion tube (4) is formed between the guide tube (7) and the combustion tube (4).

A recuperative radiant tube system includes a radiant tube combustion system having a burner leg and an exhaust leg and is configured to produce a stream of products of combustion (POC) through a combustion process. A recuperator assembly is coupled to the exhaust leg and includes a first heat exchanger to facilitate heat exchange between a combustion air stream and the stream of POC in a recirculation loop. A booster assembly is coupled to the recuperator assembly and includes a second heat exchanger to facilitate additional heat exchange between the stream of POC and the combustion air stream outside the recirculation loop.

A system includes a top cycle and a bottoming cycle. The top cycle is an engine having a combustor. The combustor receives a fuel. The combustor is capable of igniting a mix of fuel and a gas, and creating products of combustion. Products of the combustion pass downstream through a first heat exchanger. The bottoming cycle has a bottoming cycle working fluid receiving a first amount of heat through the first heat exchanger. The bottoming cycle produces work from the first amount of heat. The bottoming cycle working fluid then passes through a second heat exchanger and rejects a second lesser amount of heat. A source housing fuel is delivered to the combustor via the second heat exchanger. The bottoming cycle working fluid provides heat to the fuel being delivered to the combustor. The source is configured to maintain the fuel at a temperature equal to or below 0° F.

This application relates to the field of combustion product testing, specifically a smoke toxicity testing device. It includes a base on which multiple independent mouse cages are fixed, each cage having a gas inlet and a gas outlet. This smoke toxicity testing device directly assesses smoke toxicity by placing live mice in the cages, introducing smoke into the cages, and observing the mice's reactions. Using live mice as a bioindicator for assessing smoke toxicity simulates the potential harm to humans in real fire scenarios, intuitively reflecting the impact of smoke on organisms, and more effectively assessing smoke toxicity. This provides researchers with a direct method for assessing smoke toxicity, offering a basis for improving fire prevention and response measures.

The invention provides a system for pyrolysis, comprising: (i) a gas producer comprising a gasification zone and a producer gas outlet, wherein the gas producer is configured to: oxidise at least one carbon-containing feed in the presence of an oxidising gas in the gasification zone to form a producer gas; and discharge the producer gas from the gasification zone via the producer gas outlet, wherein a residual oxygen content of the producer gas is substantially depleted or maintained below a maximum predetermined amount by controlling a ratio of oxygen fed to the gasification zone to the carbon-containing feed, (ii) a pyrolyzer comprising a pyrolysis zone and one or more pyrolyzer gas outlets, wherein the pyrolyzer is configured to: feed the producer gas discharged from the gasification zone to the pyrolysis zone; pyrolyze a pyrolyzable organic feed in the pyrolysis zone in the presence of the producer gas to produce a carbonaceous pyrolysis product and a gas mixture comprising combustible components comprising pyrolysis gas; and discharge the gas mixture from the pyrolysis zone via the one or more pyrolyzer gas outlets, and (iii) a first combustor comprising a combustion zone, wherein the first combustor is configured to: receive the gas mixture discharged from the pyrolysis zone in the combustion zone; feed an oxygen-containing gas to the combustion zone; and combust at least a portion of the combustible components present in the gas mixture in the combustion zone to produce a combustion product gas.

A fuel system (200) for a hydrogen-fuelled gas turbine engine (201) comprises a main fuel conduit (217) configured to conduct hydrogen fuel from a hydrogen storage unit (204) to a core combustor (206) of the gas turbine engine (201), a pre-heater (218) comprising an auxiliary combustor (222) configured to combust hydrogen fuel diverted from the main fuel conduit (217) to heat hydrogen fuel in the main fuel conduit (217). A first exhaust passage (228) is configured to conduct combustion products from the auxiliary combustor (222) to the core combustor (206) of the gas turbine engine (201).

The application discloses a kind of fire extinguishing microcapsule synthetic material performance testing device and its use method, belong to fire extinguishing testing device technical field, including box, fuel placement basin body, fire gun body, fire gun opening and closing mechanism, drive mechanism, fire extinguishing microcapsule synthetic patch, the inside of box is provided with cavity, the bottom of cavity is fixedly connected with fuel placement basin, fuel is placed in fuel placement basin, one output end of drive mechanism is pasted with fire extinguishing microcapsule synthetic patch, another output end of drive mechanism is provided with fire gun body, fire gun body is provided with fire gun opening and closing mechanism, fire gun body and fire extinguishing microcapsule synthetic patch are respectively towards fuel placement basin body.The application uses a drive mechanism to control fire gun to be quickly removed after igniting fuel, avoid its long-term exposure in flame is damaged or is interfered by combustion product;Fire extinguishing microcapsule synthetic patch is controlled to vertically fall from directly above to set position simultaneously, guarantee the real reflection of fire extinguishing effect.

The utility model discloses a recycling device for combustion products prepared from metallurgical micro powder, and belongs to the technical field of metallurgical micro powder preparation. The micro iron powder prepared by the micro iron powder preparation device is stored, and heat generated in the preparation process is conveyed to a park heating system to be recycled; the stored micro iron powder is combusted through a micro powder combustion device to generate iron oxide powder, heat generated in the process is converged into a park heating system, and generated flue gas enters a waste heat boiler for secondary utilization; the waste heat boiler exchanges heat to generate low-temperature flue gas, and the low-temperature flue gas enters the dust removal system to be subjected to dust removal and then returns to the micro iron powder preparation system to be used for cooling the micro iron powder. The iron oxide powder is reduced through the iron oxide hydrogen reduction system to obtain pure iron powder, and the pure iron powder is recycled into the micro iron powder preparation system and participates in preparation of the micro iron powder again. According to the utility model, the cooperative work of all systems is realized, the heat generated in the production process is efficiently utilized, the pollutant discharge is reduced, and the efficiency and the stability of the whole production process are improved.

The present application relates to the technical field of in-cylinder combustion of dual-fuel engines, in particular to an ammonia entrainment system and a control method, comprising a diesel fuel supply system and an LNG fuel supply system, and a dual-fuel engine installed at the output ends of the diesel fuel supply system and the LNG fuel supply system; the dual-fuel engine is internally provided with a combustion chamber, the lower portion of the combustion chamber is provided with a piston, and the outer portion of the piston is provided with a cylinder body, and the top portion of the cylinder body is provided with a cylinder head. The present application reduces the phenomenon of unburned methane caused by the cold shock effect of the combustion chamber through the entrainment of ammonia fuel, and reduces the emission of unburned methane; and solves the problems of difficult ignition and unstable ignition of ammonia fuel, effectively ensures the collaborative combustion of ammonia and natural gas, ammonia fuel is zero-carbon fuel, and there is no carbon dioxide in the combustion products, effectively reducing the carbon dioxide emission of the engine.

The invention is suitable for the technical field of fire detection, and provides a combustion product detection method and system based on vortex ring air supply, and the method comprises an environment reference establishment stage, a self-adaptive optimization stage, an intelligent operation control stage and an alarm decision output stage. According to the method, an environment reference is established through dynamic calibration, vortex ring launching parameters are adaptively optimized based on the fluid mechanics principle, accurate directional conveying of combustion product samples is achieved, and the accuracy and reliability of initial fire detection can be remarkably improved. Compared with the prior art, the system has the outstanding advantages of high environmental adaptability, adaptive optimization, low power consumption, low false alarm rate and the like, and is suitable for fire safety monitoring of various building environments.

The invention discloses integrated intelligent electric soldering iron smoke treatment equipment, and relates to the technical field of removal or treatment of combustion products. The equipment is integrated in an electric soldering iron body and comprises an air suction module, a filtering module and a control module. The air suction module is composed of an air suction approaching flue wrapping a soldering bit and a micro diaphragm pump, and source capture of smoke is achieved. And the filtering module filters the smoke through a filter element which can be quickly disassembled and assembled. The control module intelligently controls starting, stopping and the rotating speed of the diaphragm pump based on movement of the electric soldering iron and data of the power sensor, and self-adaptive linkage with the welding working condition is achieved. The problems that a traditional split type purifier is low in trapping efficiency, large in occupied space and poor in collaboration are solved, and a smoke treatment solution which is efficient, compact, intelligent and easy to maintain is provided.