CN102352802B - Plasma venting reforming gasoline hydrogen production device and system - Google Patents
Plasma venting reforming gasoline hydrogen production device and system Download PDFInfo
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- CN102352802B CN102352802B CN2011103435730A CN201110343573A CN102352802B CN 102352802 B CN102352802 B CN 102352802B CN 2011103435730 A CN2011103435730 A CN 2011103435730A CN 201110343573 A CN201110343573 A CN 201110343573A CN 102352802 B CN102352802 B CN 102352802B
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Abstract
The invention relates to a plasma venting reforming gasoline hydrogen production device and system. The plasma venting reforming gasoline hydrogen production device comprises a first cylindrical electrode, a second cylindrical electrode, a gasoline injector and an electrode covering ring, wherein the second cylindrical electrode and the first cylindrical electrode are coaxial; the internal diameter of the second cylindrical electrode and the internal diameter of the first cylindrical electrode are same; a gap is formed between the second cylindrical electrode and the first cylindrical electrode on the axial direction; the gasoline injector is positioned on the internal axle center of the first electrode; the electrode covering ring is covered on the gap of the first electrode and the second electrode; the covering ring and the electrodes are insulated by a magnetic ring; the covering ring is at least provided with one air hole and a second end surface, wherein the air hole is connected with an engine vent; the second end cover is positioned on the end surface of the second electrode; and the second end cover comprises a reformed gas outlet communicated with the inner cavity of the second electrode. Compared with the prior art, the plasma venting reforming gasoline hydrogen production device has the advantages that the leanburn limit can be increased, and the general trend of the leanburn limit of the engine becomes smooth.
Description
Technical field:
The present invention relates to a kind of from hydrogeneous mixed gas device and the system of separation of hydrogen, further relate to a kind of plasma exhaust reformation gasoline hydrogen-generator and system.
Background technique:
Improving the vehicular engine Economy is two important topics that present society faces with reducing discharging, former studies shows, if adopt auxiliary engine burnings such as hydrogen, can further enlarge the lean flammability limit of motor, make motor in that surpass under the air fuel ratio of gasoline Flammability limits still can stable operation, motor NOx emission level is very low, yet the popularization of this technology but is subjected to the restriction of on-board hydrogen source.Therefore, be badly in need of a kind of vehicle-mounted plasma exhaust reformation gasoline hydrogen-generator and system.
Summary of the invention:
The present invention proposes a kind of hydrogen-generator and system that utilizes water vapour in the motor exhaust and gasoline to react under action of plasma.
The hydrogen manufacturing mode is also varied, and mature methods mainly contains following 3 kinds at present: steam reforming (SR, Steam Reforming), partial oxidation is reformed (POX, Partial Oxidation), self-heating recapitalization (ATR, Auto-Thermal Reforming).
Partial oxidation: C
nH
m+ 0.5nO
2-→ nCO+0.5mH
2Exothermic reaction
Steam reforming: C
nH
m+ nH
2O-→ nCO+ (n+0.5m) H
2Heat absorption reaction
Self-heating recapitalization: C
nH
m+ aH
2O+0.5 (n-a) O
2-→ nCO+ (a+0.5m) H
2
The present invention proposes a kind of by cold plasma, utilize oxygen and water vapour in the lean combustion engine exhaust that fuel oil is carried out the method for partial oxidation and steam reformation (in order to narrate conveniently, often be called for short with plasma exhaust reformation PFEGR:Plasma Fuel Exhaust Gas Reforming in the research of this paper, perhaps exhaust is reformed) to improve the energy conversion efficiency of reforming system; And the limit of inflammability of the hydrogen-rich gas expansion petrol engine lean combustion of utilization reformation generation, discharge with the NOx that reaches reduced levels on the basis of improving the motor Economy.
Plasma exhaust reformation gasoline hydrogen-generator, comprise: cylindrical shape first electrode, coaxial with first electrode, internal diameter is identical and have cylindrical shape second electrode in gap in the axial direction, be positioned at the gasoline ejector at the first electrode inner axes place, the electrode that is coated on first electrode and the second electrode gap place coats ring, coat between ring and the electrode and insulate by magnet ring, coat on the ring and have a pore at least, this pore links to each other with engine exhaust port, be positioned at second end cap of second electrode end surface, comprise on second end cap one with reformation that the second electrode inner chamber is communicated with after gas outlet.
As preferred version, the oil spout frequency of described oil sprayer is 700Hz, and described oil sprayer is positioned at oil injector seat, and oil injector seat is nested in the oil-feed bracket, and the oil-feed bracket is enclosed within first electrode.The center line of the pore on the described coating ring is perpendicular to the axis of first electrode, second electrode, and non-intersect with the axis of first electrode, second electrode; The center line of the pore on the described coating ring departs from the shortest line 25 degree of axis of pore and first electrode, second electrode; Pore quantity on the described coating ring is at least 2, evenly distributes.
With the power supply that first electrode links to each other with second electrode, power parameter is: output frequency 5-25kHz, and adjustable; Output voltage 0～20kV, adjustable; Peak output 1kW.Described power supply comprises: AC low-tension pressure governor, rectification circuit behind 220V Ac process AC voltage regulator and the rectification circuit, transform into the direct current of 0～300V continuous variable; Inversion is the interchange of high frequency behind half-bridge high-frequency inverter circuit, the process half-bridge high-frequency inverter circuit; High frequency high voltage transformer, transformer primary and secondary coil ratio is 100:1; Control circuit.
The plasma gas reformation gasoline hydrogen generating system that comprises above-mentioned plasma gas reformation gasoline hydrogen-generator, also comprise: the engine exhaust pressure stabilizing cavity, this pressure stabilizing cavity has 1 inlet opening, 1 delivery outlet, the inlet opening links to each other respectively at engine exhaust pipe, and the pore on the coating ring of delivery outlet and plasma exhaust reformation gasoline hydrogen-generator is communicated with.
The present invention is with respect to the advantage of prior art:
(1) as can be seen from Figure 3: along with the increase of motor employing reformation ratio, lean flammability limit increases gradually.When motor was in traditional lean combustion state, the lean flammability limit of motor under this operating mode was about 24, and after 20% fuel oil was participated in reformation, lean flammability limit had reached 28.3.When maximum reformation ratio＜30%, the degree that lean flammability limit increases is directly proportional with the reformation ratio, the every increase by 10% of reformation ratio, and lean flammability limit increases about 2 air fuel ratio units.
(2) from Fig. 4,5 as can be seen: the lean flammability limit of motor increases along with the increase of fuel reformation ratio, but the degree that lean flammability limit increases is along with reducing to some extent along with the increase of the rising of rotating speed and load, the general trend of the achieving lean combustion in engine limit becomes smooth-going, reduced gradually by rotating speed and effects of load degree.This be since when engine speed lower and load hour, residual exhaust gases large percentage in cylinder during same throttle opening.Increase along with the reformation ratio, when motor is worked under bigger air fuel ratio, for guaranteeing that same power output needs the open the throttle wide aperture, thereby the amount of inner residual exhaust gases also reduces gradually, add reformed gas simultaneously to the influence of gasoline combustion speed, thereby make the lean combustion limit of motor when the little load of the slow-speed of revolution be greatly improved.And when engine speed was higher, equivalent proportion when work residual exhaust gases surplus itself was just fewer, and fuel oil is reformed influence to lean flammability limit mainly from the effect of reformed gas to gasoline combustion, so the degree of lean combustion limit increase decreases.Above factor has also been dwindled the gap between different rotating speeds and the load lean flammability limit, and rotating speed and load also reduce gradually to the influence degree of lean flammability limit.
(3) contrast Fig. 6, when motor adopted reformation, under less air fuel ratio, the oil consumption numerical value after the reformation often will be higher than the numerical value of former motor, and the reformation ratio is more high, and it is more many that oil consumption increases.The reformation ratio was respectively 0 and 20% data when relatively the equivalent proportion operating mode was burnt, and BSFC is respectively 350g/kWh, 364g/kWh, and latter's oil consumption has increased about 4%.Continuation increase along with air fuel ratio, especially when surpassing, air fuel ratio adopts when reforming behind the most economical air fuel ratio numerical value of motor, BSFC after the reformation moves closer to even is lower than does not have the BSFC numerical value of reforming, motor changes 3000,0.3Mpa the reformation ratio is 0% during operating mode, 10%, 20%, minimum BSFC was respectively 300 in 30% o'clock, 293,294.6,293g/kWh, oil consumption 350g/kWh during with the motor equivalent proportion compares, Economy has improved 14.3% respectively, 16.3%, 15.8%, 16.3%, as seen after fuel oil is reformed, can lose the calorific value of a part of fuel though reform, but the engine combustion thermal efficiency still has largely and to improve, met or exceeded motor fuel without cross lean combustion when reforming the Economy level that can reach.Specific fuel consumption increases sharply in the time of near reaching lean flammability limit, but compares the reduction that 10-12% is still arranged when equivalent proportion is burnt.
(3) from Fig. 7-9 as can be seen, fuel reformation ratio is little to the influence of the trend of three kinds of effulents of motor and air fuel ratio relation, HC and CO keep reducing trend of rising more earlier, and the NOx discharging is the low trend in high back earlier.Increase along with the reformation ratio, the lean flammability limit of motor also increases gradually, and the data that indicate ☆ among the figure are compared discovery: if motor is remained near the corresponding lean flammability limit, then along with the increase of reformation ratio, HC discharging and CO discharging raise to some extent, and the NOx discharging reduces gradually.The relatively discharging of lean flammability limit place and equivalent proportion place discharging numerical value, discharge value when the HC of lean flammability limit place discharging will be higher than equivalent proportion as can be seen is example with reformation ratio 20%, and the HC discharging is 400ppm during the equivalent proportion burning, the HC of lean flammability limit place discharging is 500ppm, and the amplitude of rising reaches 25%.Though the CO discharging has trend of rising again near lean flammability limit, only increase to the degree suitable with equivalent proportion place data at most.When working with the motor equivalent proportion, the NOx of lean flammability limit place discharging compares the reduction that certain degree is arranged, the reformation ratio is 0,10%, 20%, 30% o'clock, lean flammability limit place corresponding discharging numerical value is respectively 382ppm, 205ppm, 97ppm, 38ppm, compare with the 2300ppm at equivalent proportion place, the amplitude of reduction is respectively 83%, 91%, 95.8%, 98.3%.
Description of drawings:
Fig. 1 is embodiment's ionic medium body exhaust reformation gasoline hydrogen-generator schematic representation, and 1 represents first electrode, and 2 represent second electrode, 3 represent gasoline ejector, 4 representatives coat ring, and 5 represent magnet ring, and 6 represent the oil-feed bracket, 7 represent first end cap, 8 represent second end cap, and 9 represent oil injector seat, and 10 represent the gasoline entrance, gas outlet after 11 representatives are reformed, 12 representatives connect the pipeline of engine exhausts.
Fig. 2 is along A-A directional profile figure among Fig. 1, and 13 representatives coat the pore on the ring.
Fig. 3 give be depicted as motor under rotating speed 3000r/min, mean effective pressure 0.3Mpa operating mode different reformation ratios for the influence of Combustion Cycle Variability; Abscissa represents air fuel ratio, and y coordinate represents the fuel oil cyclical variations; ■ represents traditional lean combustion state, ● represent 10% fuel oil and participate in reformation, ▲ represent 20% fuel oil to participate in reformation,
Represent 30% fuel oil and participate in reformation.
Fig. 4 is that lean flammability limit is with the variation of load, engine speed 3000r/min; Abscissa represents mean effective pressure, and unit is MPa, and y coordinate represents lean flammability limit; ■ represents traditional lean combustion state, ● represent 10% fuel oil and participate in reformation, ▲ represent 20% fuel oil to participate in reformation,
Represent 30% fuel oil and participate in reformation.
Fig. 5 be lean flammability limit with change in rotational speed, mean effective pressure 0.3Mpa; Abscissa represents rotating speed, unit: rev/min, y coordinate represents lean flammability limit; ■ represents traditional lean combustion state, ● represent 10% fuel oil and participate in reformation, ▲ represent 20% fuel oil to participate in reformation,
Represent 30% fuel oil and participate in reformation.
Fig. 6 be motor under rotating speed 3000r/min, mean effective pressure 0.3Mpa operating mode whole fuel oil specific consumption with the change curve of air fuel ratio; Abscissa represents air fuel ratio, and y coordinate represents specific fuel consumption, unit: gram/kilowatt hour; The data point of figure acceptance of the bid ☆ is the fuel consumption data of various reformation ratio lean flammability limits place correspondence, and zero labeling position is the corresponding consumption minimization point of motor under the different reformation ratio situations; ■ represents traditional lean combustion state, ● represent 10% fuel oil and participate in reformation, ▲ represent 20% fuel oil to participate in reformation,
Represent 30% fuel oil and participate in reformation.
Fig. 7 be motor under rotating speed 3000r/min, mean effective pressure 0.3Mpa operating mode, the hydrocarbon emission under difference reformation ratio is with the variation relation of air fuel ratio; Abscissa represents air fuel ratio, and y coordinate represents hydrocarbon emission lane degree, unit: ppm; The data of each operating mode obtain under the optimum igniting advance angle; Figure acceptance of the bid ☆ place is lean flammability limit institute corresponding data, and marking zero place is the fuel economy peak; ■ represents traditional lean combustion state, ● represent 10% fuel oil and participate in reformation, ▲ represent 20% fuel oil to participate in reformation,
Represent 30% fuel oil and participate in reformation.
Fig. 8 be motor under rotating speed 3000r/min, mean effective pressure 0.3Mpa operating mode, the discharged nitrous oxides under the different reformation ratios is with the variation relation of air fuel ratio; Abscissa represents air fuel ratio, and y coordinate represents discharged nitrous oxides concentration, unit: ppm; The data of each operating mode obtain under the optimum igniting advance angle, and figure acceptance of the bid ☆ place is lean flammability limit institute corresponding data, and marking zero place is the fuel economy peak; ■ represents traditional lean combustion state, ● represent 10% fuel oil and participate in reformation, ▲ represent 20% fuel oil to participate in reformation,
Represent 30% fuel oil and participate in reformation.
Fig. 9 be motor under rotating speed 3000r/min, mean effective pressure 0.3Mpa operating mode, the carbon monoxide emission of motor under difference reformation ratio is with the variation relation of air fuel ratio; Abscissa represents air fuel ratio, and y coordinate represents carbon monoxide emission concentration, unit: ppm; The data of each operating mode obtain under the optimum igniting advance angle, and figure acceptance of the bid ☆ place is lean flammability limit institute corresponding data, and marking zero place is the fuel economy peak; ■ represents traditional lean combustion state, ● represent 10% fuel oil and participate in reformation, ▲ represent 20% fuel oil to participate in reformation,
Represent 30% fuel oil and participate in reformation.
The system schematic that Figure 10 embodiment device realizes at motor; 101 represent motor, and 102 represent petrol tank, and 103 represent pressure stabilizing cavity, and 104 represent plasma exhaust reformation gasoline hydrogen-generator, and 105 represent outlet pipe.
Embodiment
Embodiment:
Plasma exhaust reformation gasoline hydrogen-generator, comprise: cylindrical shape first electrode 1, coaxial with first electrode, internal diameter is identical and have cylindrical shape second electrode 2 in gap in the axial direction, be positioned at the gasoline ejector 3 at the first electrode inner axes place, the electrode that is coated on first electrode and the second electrode gap place coats ring 4, coat between ring and the electrode by magnet ring 5 insulation, coat on the ring and have a pore at least, this pore links to each other with engine exhaust port, be positioned at comprise on second end cap, 8, the second end caps of second electrode end surface one with reformation that the second electrode inner chamber is communicated with after gas outlet 11.
Described oil sprayer is positioned at oil injector seat, and oil injector seat is nested in the oil-feed bracket 6, and first end cap 7 is pressed on the oil injector seat; The oil-feed bracket is enclosed within first electrode.The center line of pore 13a, 13b on the described coating ring, 13c, 13d, 13e, 13f is perpendicular to the axis of first electrode, second electrode, and non-intersect with the axis of first electrode, second electrode; The center line of the pore on the described coating ring departs from the shortest line 25 degree of axis of pore and first electrode, second electrode; Pore quantity on the described coating ring is 6, evenly distributes.
With the power supply that first electrode links to each other with second electrode, power parameter is: output frequency 5-25kHz, and adjustable; Output voltage 0～20kV, adjustable; Peak output 1kW.Described power supply comprises: AC low-tension pressure governor, rectification circuit behind 220V Ac process AC voltage regulator and the rectification circuit, transform into the direct current of 0～300V continuous variable; Inversion is the interchange of high frequency behind half-bridge high-frequency inverter circuit, the process half-bridge high-frequency inverter circuit; High frequency high voltage transformer, transformer primary and secondary coil ratio is 100:1; Control circuit.
The plasma gas reformation gasoline hydrogen generating system that comprises above-mentioned plasma gas reformation gasoline hydrogen-generator, also comprise: engine exhaust pressure stabilizing cavity 103, this pressure stabilizing cavity has 1 inlet opening and 1 delivery outlet, the inlet opening links to each other with engine exhaust pipe 105, and pore 13a, 13b, 13c, 13d, 13e, 13f on the coating ring of delivery outlet and plasma exhaust reformation gasoline hydrogen-generator 104 are communicated with; Gas after the reformation is transported to the suction port of motor by the back gas outlet 11 of reforming; Tail gas is entered temperature controlling device before the plasma exhaust reformation gasoline hydrogen-generator, with exhaust temperature control between the 100-464 degree centigrade; Be positioned near the afterreaction district of plasma exhaust reformation gasoline hydrogen-generator reformed gas exhaust port, some nickel rods or porcelain grain in the afterreaction district, have been filled, avoid high velocity air directly straight-through with the reaction outlet, can play certain catalysis simultaneously, afterreaction coats thermal insulation layer outside the district.
During the engine underpressure burning, contain a large amount of oxygen in the exhaust, and engine exhaust has higher temperature, if fuel oil is directly sprayed in the engine exhaust of oxygen enrichment, when delivery temperature surpasses the spontaneous ignition temperature of gasoline, then will certainly cause the direct combustion reaction of gasoline in gas piping, influence the efficient of reforming system.Utilizing engine exhaust to reform simultaneously, is need to use the water vapour composition in the exhaust to carry out steam reforming reaction, if temperature is crossed and lowly can be caused condensing of water vapour again and cause reforming reaction, influences the effect of reforming reaction.Therefore, before oil gas mixed, the temperature of gas can not surpass the spontaneous ignition temperature of gasoline, and temperature can not be lower than the adiabatic condensation temperature (100 ℃) of water vapour before entering the plasma zone.The lowest self-ignition point of gasoline under normal pressure is 464 ℃, and (the fuel oil spontaneous ignition temperature is along with proportioning and the residing environmental conditions thereof of given reactant change, spontaneous ignition temperature reduces when inflammable mixture pressure raises), therefore will be with the control of oil gas mixing place temperature below 464 ℃.
Therefore in design process not after directly being put in outlet pipe (refer to former machine with cast iron gas exhaust manifold) with pressure stabilizing cavity 103, but apart from the distance about outlet pipe 1m, utilize this segment pipe to dispel the heat, and externally designed a heat exchanger apparatus further exhaust is heated, cooled off.
Learn by actual tests, after motor stable operation a period of time, even without under the pressure stabilizing cavity external heat exchanger situation, pressure stabilizing cavity 103 place's temperature just can basic controlling in 170～400 ℃ of scopes, combustion reaction does not take place in the gas pipeline, does not have the water of frozen state to occur yet.
After exhaust and fuel oil enter plasma exhaust reformation gasoline hydrogen-generator 104, under the high-voltage power effect, generate plasma, produce a large amount of active particles, promoted oxygen and water vapour generation reforming reaction in fuel oil and the exhaust.Be accompanied by the transfer of energy in the fuel oil in the reforming reaction, partial oxidation is reformed and is discharged certain heat, and steam reformation then can absorb certain heat.Reformation can reach chemistry balance state when temperature is higher, and reform when temperature is higher and do not have solid-state charcoal and separate out, and gas temperature＜400 ℃ before entering the plasma zone, thorough in order to guarantee that reforming reaction is carried out, should make system be in the heat release state, rely on partial oxidation reformation liberated heat to improve the temperature of self.Because gas flow rate very fast (0 ~ 30m/s), reactant is very short in the plasma zone time, a large amount of heats that reforming reaction is emitted are brought to the plasma slab downstream, therefore designed one section afterreaction district at plasma zone rear side, and some nickel rods or porcelain grain in the afterreaction district, have been filled, the one, avoid high velocity air directly straight-through with the reaction outlet, the 2nd, can play certain catalysis.The afterreaction district carries out heat insulation processing with materials such as ceramic cloth in the outside, with the external heat radiation of minimizing system, guarantees fully carrying out of reforming reaction.
Claims (10)
1. plasma exhaust reformation gasoline hydrogen-generator, it is characterized in that, comprise: cylindrical shape first electrode, coaxial with first electrode, internal diameter is identical and have cylindrical shape second electrode in gap in the axial direction, be positioned at the gasoline ejector at the first electrode inner axes place, the electrode that is coated on first electrode and the second electrode gap place coats ring, coat between ring and the electrode and insulate by magnet ring, coat on the ring and have a pore at least, this pore links to each other with engine exhaust port, be positioned at second end cap of second electrode end surface, comprise on second end cap one with reformation that the second electrode inner chamber is communicated with after gas outlet.
2. according to the described plasma exhaust of claim 1 reformation gasoline hydrogen-generator, it is characterized in that the oil spout frequency of described oil sprayer is 700Hz.
3. according to the described plasma exhaust of claim 1 reformation gasoline hydrogen-generator, it is characterized in that described oil sprayer is positioned at oil injector seat, oil injector seat is nested in the oil-feed bracket, and the oil-feed bracket is enclosed within first electrode.
4. according to the described plasma exhaust of claim 1 reformation gasoline hydrogen-generator, it is characterized in that the center line of the pore on the described coating ring is perpendicular to the axis of first electrode, second electrode, and non-intersect with the axis of first electrode, second electrode.
5. according to the described plasma exhaust of claim 4 reformation gasoline hydrogen-generator, it is characterized in that the center line of the pore on the described coating ring departs from the shortest line 25 degree of axis of pore and first electrode, second electrode.
6. according to the described plasma exhaust of claim 5 reformation gasoline hydrogen-generator, it is characterized in that the pore quantity on the described coating ring is at least 2, evenly distribute.
7. according to any one described plasma exhaust reformation gasoline hydrogen-generator of claim 1 to 6, it is characterized in that also comprise: with the power supply that first electrode links to each other with second electrode, power parameter is: output frequency 5-25kHz, adjustable; Output voltage 0～20kV, adjustable; Peak output 1kW.
8. according to the described plasma exhaust of claim 7 reformation gasoline hydrogen-generator, it is characterized in that, described power supply comprises: AC low-tension pressure governor, rectification circuit behind 220V Ac process AC voltage regulator and the rectification circuit, transform into the direct current of 0～300V continuous variable; Inversion is the interchange of high frequency behind half-bridge high-frequency inverter circuit, the process half-bridge high-frequency inverter circuit; High frequency high voltage transformer, transformer primary and secondary coil ratio is 100:1; Control circuit.
9. the plasma exhaust reformation gasoline hydrogen generating system that comprises the described plasma exhaust of claim 1 reformation gasoline hydrogen-generator, it is characterized in that, also comprise: the engine exhaust pressure stabilizing cavity, this pressure stabilizing cavity has 1 inlet opening and 1 delivery outlet, the inlet opening links to each other with engine exhaust pipe, and the pore on the coating ring of delivery outlet and plasma exhaust reformation gasoline hydrogen-generator is communicated with; Gas after the reformation is transported to the suction port of motor by the back gas outlet of reforming.
10. according to the described plasma exhaust of claim 9 reformation gasoline hydrogen generating system, it is characterized in that, also comprise: tail gas is entered temperature controlling device before the plasma exhaust reformation gasoline hydrogen-generator, with exhaust temperature control between the 100-464 degree centigrade; Be positioned near the afterreaction district of plasma exhaust reformation gasoline hydrogen-generator reformed gas exhaust port, some nickel rods or porcelain grain in the afterreaction district, have been filled, avoid high velocity air directly straight-through with the reaction outlet, can play certain catalysis simultaneously, afterreaction coats thermal insulation layer outside the district.
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| JPH0617646B2 (en) * | 1989-12-20 | 1994-03-09 | 株式会社新燃焼システム研究所 | Ultra low pollution methanol engine |
| CN1189652C (en) * | 2002-09-27 | 2005-02-16 | 中国科学院山西煤炭化学研究所 | Method and apparatus for reducing emissions of diesel engine |
| KR100704855B1 (en) * | 2005-03-31 | 2007-04-09 | 인하대학교 산학협력단 | Plasma reactor with multi-electrode for reforming diesel fuel |
| CN201003443Y (en) * | 2007-01-19 | 2008-01-09 | 合肥工业大学 | Diesel engine discharge system possessing fuel oil reforming device |
| DE102007048616A1 (en) * | 2007-10-10 | 2009-04-16 | Robert Bosch Gmbh | Internal combustion engine comprises combustion chamber, suction pipe, exhaust pipe and exhaust gas return line, which connects suction tube with exhaust pipe |
| CN101844744B (en) * | 2010-04-13 | 2012-03-14 | 浙江大学 | Hydrogen production device through reforming methane by using collaborative drive rotation sliding arc discharge plasma |
| CN101865020B (en) * | 2010-05-04 | 2012-05-02 | 吉林大学 | Ignition type internal-combustion engine system for on-line hydrogen production and local hydrogen enrichment and control method |
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Effective date of registration: 20211020 Address after: 300393-1, No. 26, Fusheng Road, Zhongbei Town, Xiqing District, Tianjin Patentee after: TIANJIN QMIND TECHNOLOGY Ltd. Address before: 300384 No. 22, Jing Jing Road, Xiqing District, Tianjin Patentee before: TIANJIN AGRICULTURAL University |
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