23 results about "Diesel combustion" patented technology

The present invention relates to the technical field of engine oil replenishment, and discloses a novel automatic bench engine oil replenishment system, comprising: an engine oil level acquisition unit for acquiring the engine oil level of the oil pan of a target diesel generator in real time; a generator operating information acquisition module for acquiring the operating information of the target diesel generator; and a byproduct content calculation module for calculating the amount of byproducts generated by diesel combustion in the oil pan of the target diesel generator based on the operating information of the target diesel generator. The present invention takes into account the effects of the engine oil usage time and the amount of oxidized deposits in the engine oil on the gap between the piston ring and the cylinder wall of the diesel generator during use. Compared with common engine oil filling control methods, the calculation result of the deposit content in the engine oil is more accurate, thereby improving the control of the engine oil filling amount and avoiding the phenomenon of insufficient lubrication due to insufficient engine oil.

The utility model provides a kind of diesel heating type road marking machine, belong to road construction equipment technical field, including mobile frame, mobile frame is sequentially provided with pearl box, gas tank, oil tank and material tank, the bottom of material tank is provided with primer burner, one side of material tank is connected with guide plate, the below of guide plate is provided with discharge gate, the rear of discharge gate is provided with rear fire burner, and the rear fire burner is fixedly connected with discharge gate.The utility model uses above-mentioned one kind of diesel heating type road marking machine, solves the problem that using gas exists supply limited, diesel combustion is not sufficient, heating efficiency is low and burner homogenization, improves marking operation efficiency and quality.

The invention relates to a diesel methanol dual-fuel engine lean-burn system combined with a heat and power combined supply circulating system and an energy comprehensive utilization method, and the diesel methanol dual-fuel engine lean-burn system comprises a pre-combustion chamber, a dual-fuel injector system, a methanol injection system, an exhaust back pressure adjusting system, the heat and power combined supply circulating system and the like. The fuel injection precision control of the engine is realized through a dual-fuel injector system and a methanol injection system, two working modes of a pure diesel oil combustion mode and a dual-fuel combustion mode are realized, and lean combustion of the engine is realized by adopting an exhaust backpressure adjusting system and micro-injection ignition of a pre-combustion chamber. A combined heat and power supply circulating system is adopted to meet the electric energy and heat energy requirements of the system, and meanwhile engine combustion pollutant emission is reduced. And the economical efficiency, the dynamic property and the environmental protection property of the system under the full-working-condition operation condition are improved.

This invention provides a pure electric wide-body dump truck, relating to the field of new energy dump truck technology, specifically including a vehicle body and a diesel-fired heating system. The vehicle body includes a frame, a cab, and a cargo box. The cab is located at one end of the frame, and the cargo box is located at the other end. The load-bearing plate of the cargo box has a sandwich structure, with an air inlet at one end and an air outlet at the other end. The diesel-fired heating system is located on the frame and includes an air outlet pipe and an exhaust pipe. The air outlet pipe is connected to the cab, and the exhaust pipe is connected to the air inlet. This invention heats the cab by burning diesel fuel through the diesel-fired heating system, while the exhaust gas simultaneously heats the load-bearing plate of the cargo box, thus simultaneously heating both the cab and the load-bearing plate of the cargo box. The heat generated by diesel combustion is fully utilized, avoiding energy waste.

The utility model relates to the technical field of heating equipment, in particular to double-heat-source heating equipment which comprises a closed cavity, an installation frame and an electric auxiliary heating water tank are fixedly installed on the surface of one side of the closed cavity, an electric heating pipe is installed in the electric auxiliary heating water tank, and a liquid inlet pipe is fixedly installed on the electric heating pipe. Two water pumps and two fuel water heaters are fixedly mounted on the outer surface of the mounting frame, first connecting pipes are fixedly connected between the two electric auxiliary hot water tanks and liquid inlet ports of the two water pumps, and second connecting pipes are fixedly connected between liquid outlet ports of the water pumps and liquid inlet ports of the fuel water heaters. A first heat exchanger, a second heat exchanger and a third heat exchanger are mounted on the inner bottom wall of the closed cavity; the circulating medium low-temperature-resistant cooling liquid can be heated in an electric heating or diesel combustion mode, the dual-heating mode is achieved, and the advantages of being large in temperature adjusting coverage range, wide in use range, flexible to install, higher in flexibility, small in influence on airtightness and the like are achieved.

Method for cleaning a flue gas stream, in particular for cleaning flue gases produced during the combustion of heavy oil and / or diesel fuels, in a flue gas cleaning plant with at least one first reactor unit (5a-c, 35a-c, 65a-c) and a second reactor unit (5a-c, 35a-c, 65a-c), wherein in a pre-cleaning operation particles are substantially removed from the flue gas stream and in a final cleaning operation at least sulfur-containing components are substantially removed, wherein i. in the pre-cleaning operation the flue gas stream is fed from an engine (1, 31, 61) to the first reactor unit (5a-c, 35a-c, 65a-c) in which a pre-cleaning of the flue gas stream is carried out, and ii.In the final cleaning operation, the flue gas stream is transferred, after pre-cleaning, from the first reactor unit (5a-c, 35a-c, 65a-c) to the second reactor unit (5a-c, 35a-c, 65a-c), in which final cleaning of the flue gas stream is carried out, characterized in that at least a third reactor unit (5a-c, 35a-c, 65a-c) is provided with a sorption material (23a-c, 53a-c, 88a-c), wherein at least one reactor unit (5a-c, 35a-c, 65a-c) is in the pre-cleaning state, one reactor unit (5a-c, 35a-c, 65a-c) is in the final cleaning state and one reactor unit (5a-c, 35a-c, 65a-c) is in the standby state, so that the sorption material of the reactor unit It can be replaced while at rest.

The invention relates to a diesel and natural gas dual-fuel engine lean burn system and an operation method, the diesel and natural gas dual-fuel engine lean burn system comprises a pre-combustion chamber, a dual-fuel injector system, a natural gas injection system, an exhaust back pressure adjusting system, a heat and power combined supply circulation system, a cold energy utilization system and the like, and engine fuel injection precision control is achieved through the dual-fuel injector system and the diesel injection system. Two working modes of a pure diesel oil combustion mode and a dual-fuel combustion mode are achieved, lean combustion of the engine is achieved through an exhaust back pressure adjusting system and pre-combustion chamber micro-jet ignition, the electric energy and heat energy requirements of the system are met through a heat and power combined supply circulation system, and cold energy is provided for equipment through a cold energy utilization system; and meanwhile, emission of combustion pollutants of the engine is reduced. And the economical efficiency, the dynamic property and the environmental protection property of the engine under the full-working-condition operation condition are improved.

The invention relates to the field of engines, and discloses a compression ignition type alcohol ammonia engine which comprises a temperature-controllable glow plug, a first ejector and a second ejector, and the first ejector can eject methanol into a combustion chamber; the second injector can inject ammonia fuel into the combustion chamber; methanol sprayed into the combustion chamber combusts under the action of the temperature-controllable glow plug to ignite ammonia sprayed into the combustion chamber so as to push the piston to move, the piston drives the crankshaft to rotate through the connecting rod, and the crankshaft drives the output element to move so as to achieve power output. Methanol is used as an ignition fuel, then methanol combustion heat is used for igniting an ammonia fuel, the ammonia fuel is used as a main fuel, compression ignition of the ammonia fuel is achieved, only nitrogen and water are generated during combustion of the ammonia fuel, and the carbon emission of methanol combustion is far lower than that of high-carbon fuel diesel combustion. Methanol is adopted as ignition fuel, ignition reliability is high, and the problem of ammonia escape is avoided. The invention further provides an operation method of the compression ignition type alcohol ammonia engine.

This invention relates to the field of blanching machine technology, specifically providing a diesel-heated blanching machine and blanching method. The blanching machine of this invention includes: a blanching tank with a blanching space formed within it, and a blanching basket installed on the top of the blanching space; a heating and heat exchange component disposed inside the blanching space; a diesel engine fixedly installed on the outer wall of the blanching tank; the exhaust outlet of the diesel engine connected to the air inlet of the heating and heat exchange component; a waste heat recovery component with its water supply outlet connected to the blanching tank component, and the exhaust end of the heating and heat exchange component connected to the air inlet of the waste heat recovery component; and a controller electrically connected to the diesel engine. This equipment eliminates the site limitations of centralized steam pipelines, significantly improving its versatility and adaptability to various scenarios. Furthermore, through the closed-loop structure design of direct diesel exhaust heat exchange and waste heat recovery, the high-temperature exhaust heat energy generated by diesel combustion is fully utilized.

The invention belongs to the technical field of low-temperature freezing prevention of agricultural crops, and particularly relates to a method for preventing and controlling freezing injury of red plum apricots in the flowering period. According to the method, after a smoke agent is put into a smoke generating container, the smoke generating container is placed at the position of an upper tuyere of the red plum apricot forest, when the environment temperature is reduced to 0-2 DEG C, the smoke agent is ignited, and the surface of the smoke agent is immediately covered with a soil layer to construct an oxygen-limited environment, so that open fire is avoided; diesel oil is mainly used for improving the ignition efficiency and enhancing the diffusivity of smoke, and potassium nitrate provides a continuous oxidation combustion-supporting effect. In the fuming process, diesel oil is combusted to directly release heat so as to increase the near-surface temperature; meanwhile, potassium nitrate and cow dung synergistically generate a high-density hygroscopic aerosol smoke screen, and cold air invasion can be effectively blocked. Through combined action of the mechanisms, effective anti-freezing protection in the flowering period of the red plum apricots is realized.

A marine ammonia diesel dual fuel boiler. It relates to the field of marine boiler. When the existing ammonia gas fuel is used as the fuel of the auxiliary boiler of the ship, the heat value of the ammonia gas as the fuel is low, the steam production demand is large, the heating surface size is large, the overall size of the boiler is large, and the arrangement on the ship is not conducive to the problem. The utility model discloses a furnace body, furnace wall, water cooling wall and evaporation pipe bundle, and is characterized by furnace wall including front furnace wall and rear furnace wall, front furnace wall, rear furnace wall, water cooling wall and evaporation pipe bundle close to the side of water cooling wall are enclosed and form the hearth area, the marine ammonia diesel dual fuel boiler also includes ammonia gas storage tank, diesel oil storage tank, ammonia gas burner and diesel oil burner, ammonia gas storage tank is connected with ammonia gas burner through separate pipeline, and ammonia gas fuel is sent into the hearth area and burns, and diesel oil storage tank is connected with diesel oil burner through separate pipeline, and diesel oil fuel is sent into the hearth area and burns. The utility model is applied to the field of marine ammonia diesel dual fuel boiler.

The present application belongs to the field of air purification technology, specifically a negative oxygen ion filter element, including a top plate and a bottom cover, the top plate and the bottom cover are connected by a support net, the support net is provided with a folded filter screen, the outer side of the folded filter screen is wrapped with glue or rope containing negative oxygen ions, the glue or rope containing negative oxygen ions are crossed and overlapped by cross buckles, the cross buckles include a first cross buckle, the first cross buckle is provided with a rope slide, the rope slide is provided with a progressive wheel, the progressive wheel eaves is in contact with the glue or rope containing negative oxygen ions. The present application wraps glue or rope containing negative oxygen ions on the air filter element, and the oxygen ion solvent coating on the glue or rope containing negative oxygen ions releases oxygen molecules and negative oxygen ions. The concentration of the negative oxygen ion solvent coating can be feedback-adjusted according to the oxygen concentration. The oxygen content of the air entering the engine is increased, which can improve diesel combustion, thereby improving power, and because the combustion is more complete, the content of harmful substances in exhaust emissions is reduced.

The invention provides a high-efficiency energy-saving generator set, and belongs to the technical field of generator sets. The diesel engine is fixedly connected to the top of the bottom frame; the outer box layer is fixedly connected to the top of the bottom frame and located on one side of the diesel engine, the inner box layer is fixedly connected between the inner walls of the outer box layer, the space between the outer box layer and the inner box layer is filled with heat insulation cotton, an embedding groove is formed in the top of the outer box layer, and a connecting block is inserted into the embedding groove. Meanwhile, the heat pipe is used for guiding high-temperature air generated in the refrigeration process of the compressor into the diesel engine to provide high-pressure gas for an oil nozzle of the diesel engine, and the air with temperature can improve the atomization combustion rate of diesel oil in the diesel engine, so that the diesel oil combustion efficiency of the diesel engine is improved, and the combustion amount of the diesel oil is reduced under the same output power; therefore, the diesel usage amount of the diesel generator is saved, and the diesel utilization efficiency of the diesel generator process is improved.

The utility model discloses an electric fertilizing device convenient to move, which relates to the technical field of agricultural machinery and comprises a bottom plate, a pressure sensor is arranged on the bottom plate, the upper end of the pressure sensor is fixedly connected with a support frame, the upper end of the support frame is fixedly connected with a fertilizer box, and a discharge port at the lower end of the fertilizer box penetrates through a through hole in the bottom plate. A uniform discharging mechanism is arranged at a discharging opening in the lower end of the fertilizer containing box, an adjusting component for adjusting the fertilizing amount is arranged on the uniform discharging mechanism, and a uniform scattering module is arranged at the lower end of the bottom plate; through mutual cooperation of a pressure sensor, a walking distance measuring instrument, a uniform discharging mechanism and an adjusting part, the fertilization amount can be adjusted in time according to actual conditions, uniform fertilization is ensured, and the fertilization quality is improved; an electric driving mode is adopted, and a storage battery is used as a power source, so that pollution to farmland and air caused by diesel combustion and mechanical oil leakage is avoided, and the environment and human health are protected; waste caused by excessive application of the fertilizer is avoided due to precise fertilization, and the influence on flue-cured tobacco growth due to insufficient fertilization is avoided.

The invention relates to the field of power generation equipment, in particular to a portable mute stealth power generation device which comprises a power generation component and a simulation component. The power generation component comprises a diesel oil combustion unit, and the diesel oil combustion unit is used for improving the combustion utilization rate by atomizing macromolecular diesel oil drop clusters into micromolecular diesel oil gas clusters and fully mixing the micromolecular diesel oil gas clusters with combustion-supporting air; the high-pressure steam generating unit is used for forming a water-steam circulating system without a power device by utilizing a self-circulating steam generating technology; the annular rotor power generation unit realizes power generation through expansion work of high-pressure steam; the condensation latent heat recovery unit is used for preparing drinking water by condensing water vapor and is linked with the infrared simulation component; high-temperature distilled water is injected into the simulation component to simulate an infrared false target, and the device has the advantages of being small in size, high in power generation efficiency, low in noise, high in confusion and the like.

The invention discloses a highway engineering crack treatment device which comprises a mounting platform, a pushing handle is mounted at the rear end of the mounting platform, moving wheels are mounted at the bottom of the mounting platform and comprise universal wheel parts located at the front end of the mounting platform and fixed wheel parts located at the rear end of the mounting platform, and a heating kettle is fixedly mounted on the mounting platform. A discharging pipe is arranged at the bottom of the heating kettle and located in the center of a connecting line of the two fixed wheel parts, a control valve is installed at the upper end of the discharging pipe, a fire cage cover is fixedly installed on the outer side of the heating kettle, a diesel burner is fixedly installed on the installation platform, a temperature sensor is installed on the outer side of the heating kettle, and a control module is further arranged and connected with a power supply. And the diesel burner and the temperature sensor are electrically connected with the control module. By arranging the mounting platform to carry the diesel burner and the heating kettle part, a worker can control the position of the discharging pipe by controlling the pushing handle, the danger that the worker makes contact with a high-temperature kettle body is reduced, and the labor intensity is reduced.

The invention discloses an energy-saving diesel generating set with an energy recovery device, and relates to the technical field of diesel generating equipment.The diesel generating set comprises a rack, a controller, an oil tank, an alternating-current generator, an engine unit and a waste heat mechanism, the engine unit comprises an engine body and a main shaft, and the waste heat mechanism comprises a heat exchanger and a water tank; the controller, the oil tank, the alternating-current generator, the engine body and the water tank are fixedly connected with the rack, the main shaft is rotationally connected with the alternating-current generator, the heat exchanger is fixedly connected with the engine body, and the alternating-current generator, the engine unit and the waste heat mechanism are connected with the controller through electric signals. Kinetic energy and waste heat of high-temperature waste gas generated by diesel combustion are recycled, the waste gas kinetic energy is used for increasing the engine gas inlet pressure, the diesel combustion efficiency is improved, waste gas is used for preheating domestic water, the economic efficiency of a diesel generating set is improved, active adjustment is conducted in the low-speed stage of the engine, and the waste gas kinetic energy utilization rate is improved.

The invention belongs to the field of pulping and papermaking, and provides a method for regenerating sodium hydroxide through spontaneous steam gasification combined with catalytic reaction of black liquor, which comprises the following steps: S1, uniformly mixing concentrated black liquor with a catalyst to obtain mixed slurry; s2, diesel oil is combusted, and after the temperature in the reaction furnace reaches the first furnace temperature, the mixed slurry is sprayed into the reaction furnace according to the set flow; s3, the air flow is increased at the same time, and when the temperature in the reaction furnace reaches the second furnace temperature, diesel combustion is stopped; s4, controlling the furnace temperature at a third furnace temperature, and carrying out continuous gasification and catalytic reaction for more than 1 hour; and S5, discharging the molten product out of the reaction furnace, dissolving part of the molten product with hot water to generate hydration reaction, and performing alkalization reaction on the other part of the molten product to obtain the sodium hydroxide mixed alkali liquor with the proper causticization rate of 65-80%. According to the method, sodium hydroxide is regenerated in one step through spontaneous vapor gasification and catalytic reaction of the black liquor.

The application provides a high-efficiency energy-saving generator set, and belongs to the technical field of generator sets.The generator set comprises a chassis, a diesel engine fixedly connected to the top of the chassis, an outer box layer fixedly connected to the top of the chassis, the outer box layer being located on one side of the diesel engine, an inner box layer fixedly connected between the inner walls of the outer box layer, heat insulation cotton filled between the outer box layer and the inner box layer, a recessed groove formed in the top of the outer box layer, and a connecting block inserted into the recessed groove, so that the waste heat emitted by the diesel engine is used for power generation, the high-temperature air generated in the refrigeration process of the compressor is introduced into the diesel engine through the heat pipe, high-pressure gas is provided for the oil nozzle of the diesel engine, the air with temperature can improve the atomization combustion rate of diesel in the diesel engine, the diesel combustion efficiency of the diesel engine is increased, the combustion amount of diesel is reduced under the same output power, the diesel consumption of the diesel generator is saved, and the diesel utilization efficiency in the process of the diesel generator is improved.

The present application provides a post-processing temperature management method, device, equipment and storage medium, the method comprising obtaining the running time and speed of a vehicle collected within a period of time before the current time; determining the time proportion during the running time when the speed is less than a speed threshold, and determining whether the time proportion is greater than the time proportion threshold; if so, determining that the vehicle is in a first operating condition, and when it is detected that the carbon load of the vehicle is greater than an upper limit threshold of the carbon load, increasing the fuel injection amount by worsening diesel combustion through the fuel system and the air system to increase the DPF temperature, and switching the vehicle from normal mode to a specific mode; if not, determining that the vehicle is in a second operating condition, and when it is detected that the carbon load of the vehicle is greater than a driving regeneration carbon load threshold, switching the vehicle from normal mode to driving regeneration mode; the upper limit threshold of the carbon load is less than the driving regeneration carbon load threshold; ensuring the carbon deposit combustion rate without affecting the normal use of the vehicle, while ensuring the engine performance and the reliability of the DPF.

The application aims to provide a diesel / ammonia dual-fuel engine combustion system and combustion method based on high and low temperature EGR activity reforming, which comprises a common rail dual-injector system, an ammonia fuel injector, a high and low temperature EGR system and the like, in order to realize engine fuel injection precision control, the ammonia fuel is supplied by using an intake port multi-point injection mode, and the diesel fuel is supplied by using a common rail dual-injector high and low flow injection mode. According to the diesel / ammonia dual-fuel engine operating condition, two working modes of pure diesel combustion mode and dual-fuel combustion mode are adopted, and a Miller cycle is used to optimize the engine thermal efficiency, and high and low temperature EGR is used to adjust the fuel combustion activity, so as to improve the engine efficiency and reduce the pollutant emission under the full operating condition of the engine.