41results about How to "Improve the combustion environment" patented technology

The invention relates to an efficient and energy-saving environment-friendly high-pressure burner, wherein smoke which has high temperature and high pressure as well as low pollution and is generated by the burner can be used in industries of petroleum, chemical engineering and the like. The burner comprises a combustion chamber, the front end of the combustion chamber is provided with a tapered spray nozzle which is provided with a fuel gas spray inlet and a primary air spray inlet, and a fuel air tube and a primary air distribution tube are respectively communicated with the fuel gas spray inlet and the primary air spray inlet. A combustion chamber protective casing is arranged outside the outer wall of the combustion chamber, an annular channel is formed by the surrounding of the outer wall of the combustion chamber and the combustion chamber protective casing, a secondary air inlet is communicated with the annular channel, the tail end of the outer wall of the combustion chamber is provided with a secondary air auxiliary inlet, and secondary air enters the combustion chamber through the secondary air auxiliary inlet. The burner realizes secondary air distribution to the combustion chamber by the secondary air, and secondary air distribution not only plays the role of cooling and heat preservation to the combustion chamber, but also can conduct secondary air distribution combustion supporting by being preheated to certain temperature, thus improving combustion efficiency and saving energy.

The invention provides a biomass burning machine. Biomass is used for burning in the biomass burning machine. The biomass burning machine comprises a burning furnace, an air bellow and a feeding device connected to the burning furnace. A combustion chamber and a slag collection chamber are arranged in the burning furnace. The slag collection chamber is arranged below the combustion chamber. A space formed by the combustion chamber, the slag collection chamber and the inner wall of the burning furnace contains liquid mediums which are capable of conducting heat energy in the combustion chamber. Because the specific heat capacity of the liquid mediums is large, the liquid mediums can absorb the heat energy produced through burning of the biomass in the combustion chamber in a heat transmission mode, the burning environment of the biomass is improved, and the biomass burning machine is friendly to environment and reduces manpower and material resources. Moreover, the liquid mediums have fluidity, the liquid mediums absorbing the heat energy can be recycled after being cooled, and therefore the biomass burning machine has an energy-saving effect.

The invention discloses a methane gas catalytic combustion agent. The main component of natural gas is methane gas, the liquefied natural gas has methane content of 99.9% generally, and the general gaseous natural gas belongs to raw gas, and may contain a small amount of ethane, propane or butane resulting from noncomplete purification such as dewatering and desulfurization, and it also contains hydrogen sulfide, carbon dioxide, nitrogen and water vapor, and trace inert gas such as helium and argon. It is characterized in that a liquid catalytic combustion agent is added in the natural gas, wherein when the natural gas weight is 100 kg, the dosage of the liquid catalytic combustion agent is 2.6-3.6 kg. Due to sufficient dissolution of the liquid catalytic combustion agent and the methane gas, high-efficiency catalytic combustion can be carried out, to increase thermal reaction speed of methane molecules, flame temperature and combustion velocity, decrease combustion temperature, improve heat utilization ratio of combustible gas, and enhance safety thereof.

An industrial furnace comprehensive energy saving and emission reduction integrated system is characterized in that the industrial furnace comprehensive energy saving and emission reduction integrated system is a comprehensive integration integrated system which compounds oxygen-enriched combustion-supporting technology, a selective non-catalytic reduction (SNCR) denitrification method and an oxidation neutralization desulfurization and denitrification dedusting method. The industrial furnace comprehensive energy saving and emission reduction integrated system comprises a waste heat boiler, a deduster, a reducing agent spray atomization device, an oxidation neutralization denitrification reaction tower, an ammonium salt pond, an oxygen-enriched generating device, a wind mixing device, an ozone generating device and an ammonium salt liquid-solid separation device, wherein the waste heat boiler, the deduster, the reducing agent spray atomization device, the oxidation neutralization denitrification reaction tower, the ammonium salt pond, the oxygen-enriched generating device, the wind mixing device, the ozone generating device and the ammonium salt liquid-solid separation device are sequentially connected. The industrial furnace comprehensive energy saving and emission reduction integrated system not only is reasonable in process route and high in desulfurization and denitrification efficiency and combustion efficiency; but also is high in use rates of desulfurization and denitrification absorbent, can effectively reduce consumption of fuel such as fire coal, and improves yield of a furnace. Besides, clinker combusted quality of a cement kiln in an industrial furnace can be effectively improved, and intensity of cement end products can be improved by 3 to 28 days.

The invention provides a system and method for real-time detection of atmosphere components in a rotary hearth furnace and combustion optimization control, including: a pneumatic advance and retreat device; a composite probe, which can move back and forth on a sliding guide rail and extend into the rotary hearth furnace It is used to monitor the data of the atmosphere composition in the rotary hearth furnace; the gas source box is used to control the gas source of the cylinder to push the composite probe to move on the slide rail, and to detect the gas source pressure of the cylinder; the instrument host is used to send Control instructions to the gas source box and composite probe to control the movement of the composite probe on the slide rail and collect the monitoring data of the composite probe; PLC controller is used to optimize the control of the combustion model according to the monitoring data received by the instrument host, And send instructions to the combustion controller to optimize the combustion conditions in the rotary hearth furnace. The invention detects various data in the rotary hearth furnace through a composite probe, and integrates all the data to adaptively optimize the combustion environment in the rotary hearth furnace and improve combustion efficiency.

The invention relates to the field of energy conservation and emission reduction devices, and provides an activation catalyst for energy conservation, an automobile economizer containing the catalystand an installation method of the automobile economizer. The catalyst comprises a nano composite negative ion far-infrared material and a carrier. By means of the catalyst, the molecular activity of fuel molecules and oxygen molecules can be improved at the same time, the combustion environment is improved, and the combustion heat value of fuel is improved, so that the power of an engine during combustion of equal amount of fuel is higher, therefore the energy-saving effect is achieved, and the safety performance of an automobile and the service life of the engine are not affected. Besides, the power of the engine is improved by the activation catalyst for the automobile economizer, the energy-saving effect is achieved, and harmful gas in tail gas is also reduced. Meanwhile, oxidation is carried out in the exhausted gas, the harmful gas is decomposed, and the catalyst in the tail gas in a silencer is activated. According to the installation method, the energy-saving and emission-reducing effects of the engine at different rotating speeds can be taken into consideration, so that the optimal energy-saving and emission-reducing effects are achieved in general.

The embodiment of the invention provides a spark compression ignition type piston, a combustion system, a power assembly system and a control method. The top structure of the piston is symmetrically arranged about the center line in the first direction and the second direction, and the first direction and the second direction are perpendicular to each other; the top structure of the piston comprises a center pit, vortex rings, air inlet pits and air exhaust pits; the central pit is formed in the middle of the piston; the two vortex rings are arranged on the two sides of the center pit in the first direction; the air inlet pits and the air exhaust pits are formed in the two sides of the center pit in the second direction; and the central pit, the air inlet pits and the air exhaust pits arein fluid connection with the same side edges of the vortex rings. By improving the structure of the surface of the piston, time-sharing and partitioning heat release of the combustion system is achieved, short-time constant-volume heat release of unburned mixed gas can be avoided, the pressure rise rate and rough combustion are inhibited, the combustion system can still achieve a high combustion isometric degree under the high load of an ignition compression ignition manner within the wide overall equivalence ratio range, and the thermal efficiency is improved.

The invention discloses an ignition-mode-variable diesel/natural gas dual-fuel engine. The engine is provided with an air inlet valve and an exhaust valve. An original diesel injecting system is not changed, a spark plug igniting system is newly added, and a spark plug installing hole is reserved in a cylinder cover. A spark plug is in threaded connection with a cylinder, and the spark plug and a diesel injector are oppositely arranged relative to the center of the cylinder. An engine electronic control unit judges the work condition of the engine according to the opening degree of a throttle valve; when it is judged that the work condition of the engine is in a low-load state, the electronic control unit transmits a signal to an ignition controller, the spark plug is controlled to perform ignition, and natural gas mixtures in the cylinder are ignited; when it is judged that the work condition of the engine is in the high-load state, the electronic control unit performs calculation, controls the diesel injector to inject diesel and controls the injection amount, the diesel is compressed so that multi-point ignition can be achieved, and the natural gas mixtures in the cylinder are ignited.

The invention discloses a double-circuit gasification and combustion system based on a circulating fluidized bed and a method and application thereof. The double-circuit gasification and combustion system comprises a gasifier, a primary separator, a heat exchanger, a secondary separator, a boiler and an ash bin, wherein the inlet of the primary separator communicates with the outlet of the gasifier; the gas outlet of the primary separator communicates with the heat medium inlet of the heat exchanger; the heat medium outlet of the heat exchanger communicates with the inlet of the secondary separator; gas subjected to primary separation is subjected to heat exchange for cooling in the heat exchanger; the gas outlet of the secondary separator communicates with the boiler; the solid outlet of the primary separator communicates with the inlet of a first material return valve; one side outlet of the first material return valve communicates with a first material return opening of the gasifier, and the other side outlet of the first material return valve communicates with the ash bin; the solid outlet of the secondary separator communicates with the inlet of a second material return valve; and one side outlet of the second material return valve communicates with a second material return opening of the gasifier, and the other side outlet of the second material return valve communicates with the ash bin.

The invention relates to a magnetization oxygen-enriched energy conservation and emission reduction system of a gaseous suspension roaster. The magnetization oxygen-enriched energy conservation and emission reduction system comprises a raw air supply fan, two multi-duct pressure equalization distribution tanks, a double-stage booster roots pump set, an intelligent PLC (programmable logic control) system and an oxygen-enriched gas output pipeline. The raw air supply fan is connected with the two multi-duct pressure equalization distribution tanks, cyclone concave-convex thermal separation magnetic groups are arranged in the two multi-duct pressure equalization distribution tanks and are connected with an inlet of the double-stage booster roots pump set by vacuum absorption pipelines, the double-stage booster roots pump set is connected with an oxygen-enriched injection point of the gaseous suspension roaster by the oxygen-enriched gas output pipeline, the raw air supply fan, an intelligent oxygen analyzer and an intelligent gas flow meter are connected with the intelligent PLC system, and the intelligent PLC system is connected with a remote computer. The magnetization oxygen-enriched energy conservation and emission reduction system has the advantages that the combustion speeds can be increased, and complete combustion can be promoted; ignition temperatures of fuel can be lowered, combustion environments can be optimized, and the service life of the roaster can be prolonged; the yield of products can be increased, the quality of the products can be improved, and the post-combustion smoke quantity can be reduced.

The invention provides a process for improving combustion efficiency of a cement kiln by utilizing high-oxygen content air. The process comprises the following steps: manufacturing high-oxygen content air with an oxygen content of 28% through a membrane method oxygen enrichment technology, and feeding 10-15% of the high-oxygen content air into a coal injection duct at the head part of the kiln through a blast pipe to combust pulverized coal in the kiln; sending 20-25% of the high-oxygen content air into delivery air of a coal injection duct at the tail part of the kiln through a blast pipe to combust pulverized coal in a decomposition furnace; sending 60-70% of the high-oxygen content air to an air outlet of a cooling fan at a high-temperature section of a grate cooler through a blast pipe, so that the high-oxygen content air and the cooling water are together sent into the grate cooler, and through heat exchange, the generated high-temperature secondary air with relatively high oxygen content is supplied to combust pulverized coal at the head part of the kiln. The process provided by the invention has the advantages of rapidly improving the temperature of the cement kiln, reducing the ignition temperature of the pulverized coal, improving the combustion speed of the pulverized coal, promoting the pulverized coal to be sufficiently combusted, improving the burn-off rate of the pulverized coal, reducing the smoke exhaust rate and saving the fuel. According to the process, the pulverized coal combustion environment of the kiln is improved, the cement quality is improved, and favorable economic benefit and social environment-friendly benefit are provided.

The invention relates to an ignition method for a compound burner. The invention is characterized in that the compound burner is combined by a main burner and an auxiliary burner; mixed gas flowing out from the auxiliary burner is partially-premixed burning gas; mixed gas flowing out from the main burner is fully-premixed burning gas; and heat generated by firstly burning the atmospheric partially-premixed gas flowing out from the auxiliary burner is provided for the burning of the fully-premixed burning gas of the main burner, thus a continuously flowing high-temperature environment and a fluid flame-type flame-stabilizing carrier are created for the fully-premixed burning gas of the main burner so that the rapid, full and sufficient burning reaction of the fully-premixed burning gas of the main burner can be realized without the arrangement of a real flame-stabilizing carrier or under the conditions of crash and revolution, back turning and heat storage, and the fully-premixed burning of the main burner can be realized.

The invention relates to a method for preparing emulsified fuel oil, which comprises the following steps: 1) adding methanol or ethanol into oleic acid or fatty acid, and stirring for forming an acid phase; 2) adding the methanol or the ethanol into ammonia, and stirring for forming a base phase; 3) adding the base phase into the acid phase while stirring for preparing an emulsifier; and 4) adding clean water into petrochemical finished oil, firstly stirring till milk white, then adding the emulsifier, stirring till that liquid is transparent and clear, standing and then filtering, thereby preparing the emulsified fuel oil. The method can also add a diluent, a modifier, a protective agent and the like according to needs. The emulsified fuel oil has the advantages of simple production technology, extensive resources of raw materials, cheap price, high product stability and good intersolubility with the petrochemical finished oil.

The invention discloses a diesel engine air supply system based on fuzzy algorithm optimization. The diesel engine air supply system comprises a pressurized air pressure collector, a rack position signal collector and a control processor. The pressurized air pressure collector is in circuit connection with the control processor and is used for collecting a pressurized air pressure value; the rack position signal collector is in circuit connection with the control processor and is used for collecting the rack position of a diesel engine fuel rack; the control processor is in circuit connection with the air supply electromagnetic valve, and the control processor forms a control signal for controlling the on-off of the air supply electromagnetic valve through a fuzzy algorithm based on the pressurized air pressure value and the position of the rack. The invention can increase the rotating speed of the supercharger at the moment of sudden loading of the diesel engine, accelerate the increase of air pressure entering the cylinder, improve the combustion environment in the cylinder, reduce black smoke generated by the diesel engine, improve the working performance of the diesel engine and realize the purpose of environmental protection.

The invention relates to a compound burner characterized by comprising a main burner and an auxiliary burner and being mainly composed of an inner core, an upper cover cap and a base, wherein an upper end cover of the inner core is provided with penetrated main burning nozzle holes which are communicated with an upper and a lower main gas chambers to form the main burner; auxiliary burning nozzle holes are arranged in a circle on the outer wall of the inner core below the upper end cover of the inner core, a circular groove is arranged at the lower ends of the auxiliary burning nozzle holes on the outer wall of the inner core, a circular auxiliary gas premixing spacer is arranged at the lower ends of the inner core and the upper end of a convex ring on the outer wall of the inner core, penetrated auxiliary burning channels are arranged in a circle in the auxiliary gas premixing spacer, the upper cover cap is covered on the inner core and provided with an inwards-inclined surface on the inner wall, an upper auxiliary gas chamber is formed among the inclined surface of the inner wall of the upper cover cap, the outer wall of the inner core part and the groove in the outer wall of the inner core, and the auxiliary burning nozzle holes, the upper auxiliary gas chamber, the auxiliary burning channels and a lower auxiliary gas chamber are communicated to form the auxiliary burner; and a mixed gas input pipeline of the auxiliary burner is sheathed outside a mixed gas input pipeline of the main burner. As shown in figure 4, the main burning nozzle holes are reasonably arranged, so that flame of the auxiliary burner can smoothly flow to the center of main flame from the outer circle in the horizontal direction. The auxiliary flame can uniformly heat the main flame, thereby being a stable fluid flame type diffusing carrier for the main flame. Thus, the main and the auxiliary burning systems have the advantages of high efficiency, energy saving and environment protection.

The invention discloses a gasoline engine protection device which comprises a first oil pipe and a second oil pipe. Two or more groups of magnetizers are arranged outside the first oil pipe, and the distance between the opposite end faces of the two adjacent groups of magnetizers is 3-8 cm, a heater is arranged on the outer wall of the second oil pipe, the second oil pipe is arranged to be of a spiral tubular structure, and the magnetizers are arranged in the spiral pipe; and each magnetizer comprises an outer cylinder, wherein an annular magnetic block is arranged at the middle position in the outer cylinder, the left end and the right end of the outer cylinder are connected with a left end cover and a right end cover through threads correspondingly, the annular magnetic block is evenly divided into N equal parts of arc-shaped magnetic blocks, and N is an odd multiple of 2. The gasoline engine protection device is capable of recombining the molecular structure of gasoline, increasingthe temperature and the pressure of a cylinder of a gasoline engine, remarkably improving the power, enabling the combustion environment in the cylinder to be better, effectively fully combusting actual gum and wax in an oil product, effectively removing carbon deposition of the engine and reducing the noise and emission of the engine.