44 results about "Diesel combustion" patented technology

The vehicle system can include: a set of vehicle couplings (e.g., a tractor interface, a trailer interface, etc.); a chassis, a battery pack, an electric powertrain, a sensor suite, and a controller. The modular vehicle system can optionally include landing gear, a suspension, and any other suitable set of components. The vehicle system functions to structurally support and / or tow a trailer—such as a Class 8 semi-trailer—and / or to augment / supplement a tractor propulsive capability (e.g., via a diesel / combustion engine) with a supplementary electric drive axle(s).

The invention provides an engine particulate matter emission optimizing device and method, a vehicle and a storage medium, and belongs to the technical field of vehicle energy conservation and emission reduction. The engine particulate matter emission optimizing device comprises an air storage tank, an electromagnetic valve, an engine, a particulate trap, a whole vehicle controller and an engine controller; the air supply end of the air storage tank is connected to an engine air inlet pipe through an electromagnetic valve. An engine exhaust pipe is connected to the particulate filter; the operation information of the engine air inlet pipe, the engine exhaust pipe and the particle trap is obtained in real time, the combustion efficiency is analyzed in combination with the preset algorithm, the electromagnetic valve is controlled to be switched on and off, high-pressure gas is added, the pressure and temperature of mixed gas in the engine are effectively increased, atomization and mixing of diesel oil are promoted, and the combustion efficiency is improved. When the compression stroke of the engine reaches the upper pole, diesel oil is combusted more fully, the corresponding carbon loading amount is reduced, the service life of the DPF is prolonged, meanwhile, the combustion efficiency is improved, and the fuel economy and the engine dynamic property are improved.

The present invention relates a system for the treatment of an exhaust gas of a diesel combustion engine, said system comprising a specific NOx adsorber component, a diesel oxidation catalyst (DOC) component, a selective catalytic reduction (SCR) component, a gas heating component, and a reductant injector, wherein in said system, the specific NOx adsorber component is arranged upstream of the gas heating component, the reductant injector is arranged up-stream of the SCR component, the gas heating component is arranged upstream of the reductant injector, the DOC component is arranged upstream of the reductant injector, and the DOC component and the gas heating component are directly consecutive components. Further, the present invention relates a process for preparing such a system and use thereof.

The present invention provides a method, device, apparatus, and readable storage medium for distributing fuel in an ammonia-diesel engine, comprising: determining an engine fuel distribution mode when the engine is at a preset time; determining the required torques of diesel and ammonia at the preset time based on the engine fuel distribution mode; determining the diesel fuel quantity based on the required torque, diesel thermal efficiency, diesel calorific value, and engine displacement at the preset time; and determining the ammonia quantity based on the required torque, ammonia thermal efficiency, ammonia calorific value, and engine displacement at the preset time. This invention can effectively reduce the large amount of carbon emissions generated by diesel combustion, while also effectively addressing the problems of difficult combustion and insufficient reaction of pure ammonia fuel, thereby improving the thermal efficiency and fuel economy of the engine.

The utility model discloses a combined type waste gas and waste liquid burner spray gun which comprises a spray gun barrel, a waste liquid pipe, an atomized air pipe, a waste gas pipe and a spray gun head. The waste liquid, the atomized air and the waste gas are jointly connected to the spray gun head through the waste liquid pipe, the atomized air pipe and the waste gas pipe, the waste liquid and the atomized air in the premixing chamber at the spray gun head are sprayed out from the outlet of the premixing chamber after being fully mixed for the first time, and then the waste liquid and the waste gas sprayed out from the waste gas spray head are secondarily mixed and fully combusted. The original spray gun spraying combustion mode that only a single raw material can be used as fuel is changed, combustible waste gas and waste liquid generated by a natural gas burner or a diesel burner can be combusted in a combined mode, the repeated utilization rate of the combustible waste gas and waste liquid is increased, and energy is saved.

The invention discloses an ultrahigh altitude diesel generating set, and particularly relates to the technical field of diesel engine units, the ultrahigh altitude diesel generating set comprises an equipment main body, the equipment main body comprises a diesel engine, and the diesel engine is provided with a supercharging device, a fuel injector, an adjusting device and an air supply device; the supercharging device comprises a supercharging barrel fixedly connected to the diesel engine, the oil injector is arranged on the diesel engine and provided with a throttling part, and the end, in the oil inlet cavity, of the throttling part can be matched with the bottom of the oil inlet cavity to control the oil injection time. The high-altitude gas is compressed through the supercharging mechanism, supercharged air is fed into the air cylinder of the diesel generator, the air inlet amount is increased, the oil inlet amount and the air-fuel ratio are controlled through the oil injector, and therefore the problems that the air inlet amount of an engine in a high-altitude area is insufficient, and the air-fuel ratio of the engine in the high-altitude area is low are solved. The engine is difficult to start and the diesel oil is not fully combusted.

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 invention provides a diesel oil pour point depressant based on a multipolymer, and belongs to the technical field of fuel additives. The diesel oil pour point depressant is prepared by the following steps: firstly, constructing a multipolymer which takes 2-acrylamide-2-methylpropanesulfonic acid, acrylic acid, acrylamide and anisd as unit bodies; on the basis, the pour point depressant is compounded with polyacrylate, methacrylic acid high-carbon alcohol ester, fatty alcohol-polyoxyethylene ether, vinyl benzoate, polyethylene glycol, cyclohexyl vinyl ether, monoisopropanolamine, glyceryl monostearate, N-hexadecyl methacrylamide and oleic acid polyoxyethylene ester to form the pour point depressant formula. Compared with the prior art, the average condensation point and the average cold filter plugging point of commercially available 0 # diesel oil and commercially available-10 # diesel oil respectively added with the diesel oil pour point depressant provided by the invention are lower, which shows that the diesel oil pour point depressant provided by the invention has better fluidity and pour point depressing effect than conventional pour point depressants. Moreover, black smoke during diesel combustion is obviously reduced, the combustion time is prolonged by 12%-15%, and a certain fuel-saving effect is achieved.

The invention relates to the technical field of ruling machines, in particular to a low-energy-consumption diesel combustion heating type ruling machine which comprises a movable frame, an oil tank, an air compressor, a combustor and a coating device, the oil tank, the air compressor, the combustor and the coating device are arranged on the movable frame, and the combustor is used for heating the coating device. The combustor comprises an oil-gas mixing bin, a preheating pipeline bin and a fire outlet which are sequentially communicated, the combustor further comprises an oil way pipeline and a wind power pipeline, the oil-gas mixing bin is connected with an oil tank through the oil way pipeline and connected with an air compressor through the wind power pipeline, and the oil way pipeline and the wind power pipeline are provided with an oil valve and an air valve respectively. According to the low-energy-consumption diesel oil combustion heating type ruling machine, open fire combustion of diesel oil is achieved, meanwhile, the situation that a high-power air compressor needs to be used is effectively avoided, the safety risk of oil storage of the oil tank is reduced, and the characteristic of stable storage of the diesel oil is guaranteed.

The utility model belongs to the technical field of automobiles, and discloses a modularized oil-electricity integrated storage battery heating device for a heavy wheeled vehicle, which comprises a storage battery heating device, a storage battery mounting box and a heating control box, a storage battery is placed in the storage battery mounting box, the storage battery heating device is connected with the storage battery mounting box through an internal circulating air duct, the storage battery heating device is electrically connected with the heating control box, and the storage battery heating device and the heating control box are both connected with the power supply. According to the utility model, heat generated by combustion of diesel enters the storage battery mounting box through the internal circulating air duct, and the storage battery is heated, so that the capacity and the discharge capacity of the storage battery are quickly recovered, an engine is ensured to be smoothly started in a low-temperature (extremely cold) environment, the charge-discharge capacity of the storage battery is improved, and the storage battery is continuously kept in a good working state.

The invention discloses a particulate matter settlement evaluation device, which comprises an environmental chamber and a combustion chamber, realizes quantitative combustion of diesel oil in the combustion chamber to generate particles, transmits the particles to the environmental chamber, takes the environmental chamber as a diffusion space of diesel oil combustion particles, and is provided with particle sensors at different positions for long-term monitoring of particle concentration. The method can be used for quantitative evaluation of diffusion and sedimentation of particulate matters. The device has the advantages of being convenient to use, strong in function and low in cost, can be used for quantitative evaluation of diffusion and sedimentation of combustion particles of fuel oil type power devices, and serves as measuring equipment in the field of environmental protection. The device can also provide a research tool for realizing effective control of combustion particles by adopting ventilation in a limited space, and can be used as measuring equipment in the field of building environment; a research tool can be provided for fuel optimization design of a power mechanical device, and the device serves as measuring equipment in the field of power mechanical equipment manufacturing.

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 present invention discloses a hydrogen and diesel dual-fuel generator set, including a chassis, an engine is arranged on the chassis, the engine is connected with a radiator and a brushless generator, a control box is arranged on the brushless generator, the engine includes a diesel feed system, a hydrogen intake system, an air intake system, an exhaust system and a control system, the hydrogen intake system and the air intake system are connected with the cylinder intake port of the engine, and the exhaust system is connected with the exhaust port of the cylinder of the engine. Hydrogen is used to effectively replace diesel fuel, reduce pollution, ensure sufficient fuel supply, and provide a new option for industrial power energy utilization. At the same time, due to the fast combustion speed of hydrogen, the mixed diesel fuel is more fully burned, the fuel utilization rate is improved, and carbon deposition is reduced. By setting a hydrogen intake rail, an embedded hydrogen injection pipe, a hydrogen electronically controlled injection valve and realizing direct injection of hydrogen into the cylinder, the hydrogen intake amount is automatically controlled.

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.

The invention discloses biodiesel combustion performance detection equipment and a using method thereof.The biodiesel combustion performance detection equipment comprises a detection assembly, a traction assembly and a connecting mechanism, the detection assembly comprises a control box body, a communicating box and a coke oven box, the communicating box and the control box body are integrally connected, the coke oven box is installed on the communicating box, a coke oven is installed in the coke oven box, and the coke oven is connected with the traction assembly; a pipe frame is arranged in the coke oven, a coke oven cover is arranged on the top of the coke oven box, and the traction assembly is located on the top of the coke oven box and used for automatically pulling the coke oven cover. The arrangement mode that the sliding frame, the fixed frame, the first air cylinder, the second air cylinder and the connecting mechanism are matched is utilized, the first air cylinder drives the coke oven cover to move up and down so that the pipe frame can be automatically put in and taken out from the interior of the coke oven, the second air cylinder enables the traction frame to push the pipe frame to move, and the pipe frame is pushed from the coke oven cover; and workers do not need to carry out excessive operation, so that the operation steps are optimized, and the taking-out and putting-in safety of the pipe frame is 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 the technical field of orchard frost prevention equipment, and discloses a self-propelled orchard frost prevention device which comprises a control system, a power supply device, a chassis and a heat source box which are connected with one another. The chassis comprises a Beidou navigation crawler-type driving chassis and a temperature monitoring and early warning device arranged on the Beidou navigation crawler-type driving chassis, and the temperature monitoring and early warning device is electrically connected with the control system; the heat source box is arranged on the chassis and comprises a protective cover, and a heat supply device and a wind power disturbance device which are arranged in the protective cover; the heat supply device comprises a furnace body arranged in a protective cover, a thermal insulation material with the thickness of 3cm is arranged on the protective cover, a diesel combustion engine is arranged in the furnace body, an automatic ignition starting device and a constant-temperature power-off device are arranged on the diesel combustion engine, and the automatic ignition starting device is electrically connected with the control system; and when the set temperature threshold value is reached, the burner stops burning. Hot air pipes are arranged on the side wall of the furnace body. The device provides an efficient, intelligent and accurate anti-frost solution for the orchard.

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 purpose of the present invention is to provide a diesel-ammonia dual-fuel engine combustion system and combustion method using hydrogenation active reforming, including a single common rail dual injector, an ammonia fuel injector, a hydrogen injector, etc. In order to achieve the precision control of engine fuel injection, the ammonia fuel is supplied by multi-point injection in the intake duct, and the diesel fuel is supplied by high-low flow injection using a single common rail dual injector. According to the operating conditions of the diesel / ammonia dual-fuel engine, the present invention adopts two working modes, namely, a pure diesel combustion mode and a dual-fuel combustion mode, and at the same time adopts the Miller cycle to optimize the piston workmanship and dual reforming to improve the combustion activity of ammonia fuel, thereby reducing pollutant emissions under the full operating conditions of the engine.

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.

The present invention discloses a pipeline blockage self-checking diesel generator set, which includes a frame. On the frame, there are provided: a diesel engine and a generator. The output end of the diesel engine is connected to the input end of the generator. The diesel engine has a combustion-supporting inlet, an exhaust gas outlet, and a fuel inlet; a fuel supply assembly for delivering diesel to the fuel inlet; an air supply assembly for providing combustion-supporting gas to the combustion-supporting inlet, including an air compressor and a filter connected in sequence. A flowmeter is adjacent to the exhaust end of the filter, and a discharge valve is connected to the bottom end; an oxygen enrichment assembly for increasing the oxygen concentration in the combustion-supporting gas. This pipeline blockage self-checking diesel generator set increases the oxygen concentration at the combustion-supporting inlet of the diesel engine through the oxygen enrichment assembly, promotes the full combustion of the diesel delivered by the fuel supply assembly into the diesel engine, improves the diesel combustion efficiency, can output more mechanical energy to the generator to increase the power generation amount, and at the same time reduces the pollutant emissions generated by combustion, reduces the subsequent exhaust gas treatment cost, and realizes energy conservation and environmental protection.

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.

The utility model belongs to the technical field of gas heat storage, and particularly relates to an electric heating coal mine gas heat storage oxidation device which comprises a metal shell composed of a steel plate and an aluminum silicate heat preservation layer fixedly connected to the inner wall of the steel plate. The air inlet chamber, the heat storage chamber and the oxidizing chamber are sequentially formed in the metal shell from bottom to top, and the heat storage chamber of the metal shell is filled with a ceramic heat storage body; and an electric heating module. According to the utility model, the electric heating module is arranged in the oxidation chamber to replace the traditional diesel burner and natural gas burner, so that the oxidation device is suitable for occasions where diesel or natural gas cannot be used as a heat source to start the oxidation device, and also can be used as a double-heating system in occasions with higher safety requirements; the situation that the temperature in the heat storage oxidation device is low due to faults of a heating system, and the oxidation treatment effect of gas is affected is avoided, and the problem that the heat storage oxidation device at the present stage can only select diesel oil and natural gas as starting heat sources is solved.

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.

A method of enhancing diesel fuel combustion by adding reformed hydrogen to the diesel fuel, by: (a) extracting hydrogen gas from liquid diesel fuel with a reformer / hydrogen generation system; (b) bubbling and agitating the extracted hydrogen gas into the liquid diesel fuel to form a homogenous mixture of hydrogen gas in liquid diesel fuel; (c) compressing the homogenous mixture of hydrogen gas in liquid diesel fuel at high pressures; and then (d) receiving both air and the compressed homogenous mixture of hydrogen gas in liquid diesel fuel into a combustion chamber.