CN111997747A - Zero-emission compression ignition type two-stroke rotor machine capable of recycling oxygen and control method thereof - Google Patents
Zero-emission compression ignition type two-stroke rotor machine capable of recycling oxygen and control method thereof Download PDFInfo
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- CN111997747A CN111997747A CN202010701084.7A CN202010701084A CN111997747A CN 111997747 A CN111997747 A CN 111997747A CN 202010701084 A CN202010701084 A CN 202010701084A CN 111997747 A CN111997747 A CN 111997747A
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- oxygen
- hydrogen
- rotor machine
- tail gas
- control unit
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 220
- 239000001301 oxygen Substances 0.000 title claims abstract description 220
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 220
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000006835 compression Effects 0.000 title claims abstract description 19
- 238000007906 compression Methods 0.000 title claims abstract description 19
- 238000004064 recycling Methods 0.000 title abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 239000001257 hydrogen Substances 0.000 claims abstract description 98
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 98
- 239000007789 gas Substances 0.000 claims abstract description 77
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 238000002485 combustion reaction Methods 0.000 claims abstract description 27
- 238000011084 recovery Methods 0.000 claims abstract description 26
- 239000000446 fuel Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000000110 cooling liquid Substances 0.000 claims description 12
- 150000002978 peroxides Chemical class 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 230000002269 spontaneous effect Effects 0.000 claims description 3
- 238000011217 control strategy Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/04—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using kinetic energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
- F02B53/02—Methods of operating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
- F02B53/04—Charge admission or combustion-gas discharge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
- F02B53/04—Charge admission or combustion-gas discharge
- F02B53/08—Charging, e.g. by means of rotary-piston pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/021—Control of components of the fuel supply system
- F02D19/022—Control of components of the fuel supply system to adjust the fuel pressure, temperature or composition
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/401—Controlling injection timing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/125—Fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D2041/389—Controlling fuel injection of the high pressure type for injecting directly into the cylinder
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
A zero-emission compression ignition type two-stroke rotor machine capable of recycling oxygen and a control method thereof belong to the field of internal combustion engines, and particularly relate to a control method of a two-stroke rotor machine capable of compressing and burning pure oxyhydrogen fuel and recycling tail gas energy and redundant oxygen. The device comprises a two-stroke rotor machine fuel supply and combustion strategy, a tail gas energy utilization and oxygen recovery strategy, wherein pure oxyhydrogen fuel directly enters a cylinder through hydrogen and oxygen inlet pipelines respectively, and a heating rod (4) (31) heats mixed gas as required to realize compression ignition operation of the rotor machine; meanwhile, the device recycles the tail gas energy for multiple times through the energy recovery device (20), the heat exchanger (10) and the condenser (17). The two-stroke rotor machine provided by the invention effectively improves the power density of the rotor machine, and achieves the effects of zero tail gas pollution and improvement of the energy utilization rate of the whole machine through pure oxyhydrogen combustion and tail gas energy utilization.
Description
Technical Field
The invention designs a control method of a zero-emission compression ignition type two-stroke rotor machine capable of recycling oxygen, in particular relates to a control method of a two-stroke rotor machine capable of compressing and burning pure oxyhydrogen fuel and recycling tail gas energy and redundant oxygen, and belongs to the field of internal combustion engines.
Background
The rotor engine has the advantages of simple structure, small volume, light weight, uniform torque, stable operation and the like compared with a piston machine by virtue of unique geometric design and motion mode, however, the problems of more pollutant discharge, poor air intake and exhaust performance and large tail gas loss energy of the rotor engine cannot be ignored, so that the rotor engine has more parts to be improved.
The rotor machine runs in a two-stroke mode, and in terms of performance, when the rotating speeds of the eccentric shafts are the same, the working times of the two-stroke rotor machine are twice that of the four-stroke rotor machine, the rotor machine has higher power per liter, and the dynamic property is better; structurally, the two-stroke rotor machine is not complex in structure, and better dynamic performance can be obtained by only additionally arranging a set of air inlet and exhaust device on the basis of the four-stroke rotor machine.
Hydrogen and oxygen are used as combustible gas and combustion-supporting gas with excellent performance, and compared with the conventional combustion of air and fuel, the combustion of pure hydrogen and oxygen can not only improve the dynamic property of the rotor machine, but also realize zero pollution of tail gas. Meanwhile, the mixed gas is heated by the heating rod, so that the compression combustion is realized, the combustion process can be effectively improved, and the overall characteristics of the rotor machine are improved.
Disclosure of Invention
The invention aims to realize a zero-emission compression ignition type two-stroke rotor machine capable of recycling oxygen, fuel supply of the two-stroke rotor machine is combined with a combustion strategy, tail gas energy utilization and oxygen recycling strategy, so that the combustion characteristic of the rotor machine is effectively improved, the energy utilization rate is improved, and zero pollution is discharged.
The invention adopts the following technical scheme:
a zero-emission compression ignition type two-stroke rotor machine capable of recycling oxygen is characterized by comprising a rotor machine cylinder body (24), an eccentric shaft (25), a rotor (26), a first heating rod (4) and a second heating rod (31) which are arranged on the rotor machine; the first hydrogen storage tank (1) is connected with the first hydrogen pressure controller (2) through a pipeline, hydrogen in the tank is sprayed into the tank through the first hydrogen nozzle (3), the second hydrogen storage tank (35) is connected with the second hydrogen pressure controller (34) through a pipeline, and the hydrogen in the tank is sprayed into the tank through the second hydrogen nozzle (33); a high-pressure oxygen tank (12) in an oxygen inlet manifold (11) is connected with an oxygen pressure regulator (13) through a pipeline, oxygen in the pipeline can enter a cylinder through a first oxygen inlet channel (9), a first oxygen pressure sensor (8), a first oxygen solenoid valve (7), a first oxygen temperature sensor (6) and a first oxygen inlet valve (5), or enter the cylinder through a second oxygen inlet channel (36), a second oxygen pressure sensor (32), a second oxygen solenoid valve (30), a second oxygen temperature sensor (29) and a second oxygen inlet valve (28); burnt tail gas is respectively gathered into an exhaust main pipe (21) through a first exhaust passage (22) and a second exhaust passage (37) through a first exhaust port (23) and a second exhaust port (27), the burnt tail gas sequentially flows into an energy recovery device (20) and a heat exchanger (10), a condenser (17) is connected with an oxygen pump (15), the oxygen pump (15) can pump the recovered oxygen into an oxygen inlet main pipe (11), wherein a cooling liquid inlet (16), a cooling liquid outlet (18) and a water outlet (19) are arranged on the condenser (17);
the electronic control unit (14) is respectively connected with the first heating rod (4) and the second heating rod (31) through leads and respectively sends out a first heating rod control signal (d) and a second heating rod control signal (e) to control the on-off of the heating rods;
the electronic control unit (14) is respectively connected with the first oxygen pressure sensor (8) and the second oxygen pressure sensor (32) through leads, and obtains an oxygen pressure signal through a first oxygen pressure sensor signal (j) and a second oxygen pressure sensor signal (g) respectively;
the electronic control unit (14) is respectively connected with the first oxygen temperature sensor (6) and the second oxygen temperature sensor (29) through leads, and obtains oxygen temperature signals through a first oxygen temperature sensor signal (f) and a second oxygen temperature sensor signal (a) respectively;
the electronic control unit (14) is respectively connected with the first oxygen solenoid valve (7) and the second oxygen solenoid valve (30) through leads and controls the opening and closing of the solenoid valves through a first oxygen solenoid valve control signal (h) and a second oxygen solenoid valve control signal (c) respectively;
the electronic control unit (14) is respectively connected with the first hydrogen nozzle (3) and the second hydrogen nozzle (33) through leads and controls the opening and closing of the electromagnetic valve through a first hydrogen nozzle control signal (b) and a second hydrogen nozzle control signal (i).
The zero-emission compression ignition type two-stroke rotor machine capable of recycling oxygen comprises the following control strategies:
(1) fuel supply and combustion strategy of two-stroke rotor machine
The rotor machine is provided with two sets of air inlet and exhaust devices, and each time the rotor rotates for one circle, the electronic control unit (14) enables the two sets of air inlet and exhaust devices to be opened and closed once periodically by judging a rotor top dead center position signal, so that the rotor machine can run in a two-stroke mode; wherein, the definition of the top dead center of the rotor machine is as follows: the position of the rotor at the minimum volume of the cylinder; the definition of bottom dead center is: the position of the rotor at the maximum volume of the cylinder; therefore, the rotor machine has 2 top dead center positions and 2 bottom dead center positions.
When the rotor machine runs, oxygen in a high-pressure oxygen tank (12) is decompressed by an oxygen pressure regulator (13) and then is input into an oxygen inlet pipeline, and respectively enters a first oxygen inlet channel (9) and a second oxygen inlet channel (36) after being heated by a heat exchanger, and an electronic control unit (14) sends a first oxygen solenoid valve control signal (h) and a second oxygen solenoid valve control signal (c) to control the oxygen to enter a cylinder within a rotor rotation angle range of 35 degrees before a top dead center and 10 degrees before the top dead center by judging a rotor rotation angle signal; meanwhile, hydrogen in the first hydrogen storage tank (1) is subjected to pressure regulation by a first hydrogen pressure controller (2) and then is sprayed into the cylinder through a first hydrogen nozzle (3), hydrogen in the second hydrogen storage tank (35) is subjected to pressure regulation by a second hydrogen pressure controller (34) and then is sprayed into the cylinder through a second hydrogen nozzle (33), and an electronic control unit (14) sends a first hydrogen nozzle control signal (b) and a second hydrogen nozzle control signal (i) by judging a rotor rotation angle signal to control the hydrogen to be sprayed into the cylinder within a rotor rotation angle range of 35 degrees before top dead center to 10 degrees before top dead center;
the supply pressure of the oxyhydrogen fuel is in the range of 0.5-1 MPa in the supply process, and the supply pressure of the oxyhydrogen fuel is kept the same in order to ensure that the backflow phenomenon caused by different supply pressures does not occur in the supply process; at the same time, the electronic control unit (14) regulates the peroxide concentration factor gamma of the gas mixture during operation, wherein the peroxide concentration factor
VaActual volume of oxygen, V, supplied to the oxygen supply apparatusbThe theoretical oxygen volume required for complete combustion of hydrogen; in order to ensure the complete combustion of the hydrogen fuel, the electronic control unit (14) adjusts the peroxide concentration coefficient gamma of the mixed gas to be maintained at 1.1-1.3 in the running process;
the electronic control unit (14) obtains the oxygen inlet temperature T through the signal of the oxygen temperature sensoriAccording to the oxygen inlet temperature TiCalculating the temperature T of the mixed gas at the end of compression by using the compression ratio r of the rotor machine and the specific heat ratio k of the mixed gase,Te＝m*Ti*r(k-1)Wherein m is a proportionality coefficient, and m is more than or equal to 0.8 and less than or equal to 1.3; t calculated by the electronic control unit (14)eWhen the temperature is less than or equal to 858K, electricity is suppliedThe sub-control unit respectively sends out a first heating rod control signal (d) and a second heating rod control signal (e) to switch on the heating rods to heat the mixed gas in the cylinder so as to ensure that the temperature in the cylinder is not lower than the spontaneous combustion temperature of hydrogen in oxygen when the hydrogen is sprayed into the cylinder; t calculated by the electronic control unit (14)eWhen the temperature is more than 858K, the electronic control unit stops sending out the first heating rod control signal (d) and the second heating rod control signal (e) and stops heating the mixed gas by the heating rods;
(2) tail gas energy utilization and oxygen recovery strategy
High-temperature tail gas in the operation process of the rotor machine flows into the energy recovery device (20) through the exhaust main pipe (21), the tail gas pushes a mechanism in the energy recovery device (20) to do work by means of self kinetic energy, and the kinetic energy is converted into mechanical energy; meanwhile, the energy recovery device (20) is connected with the eccentric shaft (25) and transmits the recovered energy to the eccentric shaft, so that the dynamic property of the rotor machine is improved;
the tail gas flowing out through the energy recovery device (20) further flows into a high-temperature port of the heat exchanger (10) through the exhaust main pipe (21), and the heat of the tail gas in the heat exchanger (10) is transferred to oxygen in the oxygen inlet main pipeline (11); the tail gas after twice utilization enters a condenser (17), and as the combustion product of hydrogen and oxygen only contains water and the peroxide concentration coefficient gamma is maintained to be 1.1-1.3 in the operation process, the components of the tail gas entering the condenser (17) are liquid water, water vapor and oxygen; tail gas is condensed in the condenser (17) through a pipeline between the cooling liquid inlet (16) and the cooling liquid outlet (18), condensed liquid water flows into the bottom of the condenser (17) and is discharged through the water outlet (19), and the residual uncondensed tail gas is pure oxygen; oxygen recovered under the action of gas pushing enters an oxygen pump (15), the oxygen pump (15) pumps the oxygen in the tail gas into an oxygen inlet main pipe (11), and then the oxygen in the tail gas is recycled.
The beneficial effects of the invention are mainly as follows: the invention provides a control method of a zero-emission compression-ignition two-stroke rotor machine capable of recycling oxygen, aiming at the problems of insufficient power, low thermal efficiency, high emission, unused tail gas energy and the like during the compression combustion operation of a rotor machine. In the invention, the rotor machine operates in a two-stroke compression ignition mode, and pure oxygen and pure hydrogen are used as fuels, so that the tail gas pollution is thoroughly eliminated, and the characteristics of the rotor machine, such as power density, are effectively improved. Meanwhile, the tail gas energy recovery device and the oxygen recovery device are arranged, so that the energy utilization rate of the whole rotor machine is improved, and meanwhile, a technical method for tail gas energy recovery and oxygen recovery is provided for the rotor machine.
Drawings
FIG. 1. Structure and operation of the invention
In fig. 1: 1 a first hydrogen storage tank; 2 a first hydrogen pressure controller; 3 a first hydrogen nozzle; 4 a first heating rod; 5 a first oxygen intake valve; 6 a first oxygen temperature sensor; 7 a first oxygen solenoid valve; 8 a first oxygen pressure sensor; 9 a first oxygen inlet; 10 heat exchanger; 11 oxygen intake manifold; 12 high-pressure oxygen tank; 13 oxygen pressure regulator; 14 an electronic control unit; 15 an oxygen pump; 16 a coolant inlet; 17 a condenser; 18 a coolant outlet; 19 a water outlet; 20 an energy recovery device; 21 an exhaust manifold; 22 a first exhaust duct; 23 a first exhaust port; 24 cylinder bodies; 25 an eccentric shaft; 26 a rotor; 27 a second exhaust port; 28 second oxygen intake valve; 29 a second oxygen temperature sensor; 30 second oxygen solenoid valve; 31 a second heating rod; a 32 second oxygen pressure sensor; 33 a second hydrogen gas nozzle; 34 a second hydrogen pressure controller; 35 a second hydrogen storage tank; 36 second oxygen inlet; 37 second exhaust passage
a. A second oxygen temperature sensor signal; b. a first hydrogen nozzle control signal; c. a second oxygen solenoid valve control signal; d. a first heating rod control signal; e. a second heating rod control signal; f. a first oxygen temperature sensor signal; g. a second oxygen pressure sensor signal; h. a first oxygen solenoid valve control signal; i. a second hydrogen nozzle control signal; j. first oxygen pressure sensor signal
Detailed Description
The invention is further described with reference to the following figures and detailed description:
as shown in figure 1, the device comprises a rotor machine cylinder body (24), an eccentric shaft (25), a rotor (26), a first heating rod (4) and a second heating rod (31) which are arranged on a rotor machine; the first hydrogen storage tank (1) is connected with the first hydrogen pressure controller (2) through a pipeline, hydrogen in the tank is sprayed into the tank through the first hydrogen nozzle (3), the second hydrogen storage tank (35) is connected with the second hydrogen pressure controller (34) through a pipeline, and the hydrogen in the tank is sprayed into the tank through the second hydrogen nozzle (33); a high-pressure oxygen tank (12) in an oxygen inlet manifold (11) is connected with an oxygen pressure regulator (13) through a pipeline, oxygen in the pipeline can enter a cylinder through a first oxygen inlet channel (9), a first oxygen pressure sensor (8), a first oxygen solenoid valve (7), a first oxygen temperature sensor (6) and a first oxygen inlet valve (5), or enter the cylinder through a second oxygen inlet channel (36), a second oxygen pressure sensor (32), a second oxygen solenoid valve (30), a second oxygen temperature sensor (29) and a second oxygen inlet valve (28); burnt tail gas is gathered into an exhaust main pipe (21) through a first exhaust passage (22) and a second exhaust passage (37) through a first exhaust port (23) and a second exhaust port (27) respectively, flows into an energy recovery device (20) and a heat exchanger (10) in sequence, a condenser (17) is connected with an oxygen pump (15), the oxygen pump (15) can pump recovered oxygen into an oxygen inlet main pipe (11), and a cooling liquid inlet (16), a cooling liquid outlet (18) and a water outlet (19) are arranged on the condenser (17).
The electronic control unit (14) is respectively connected with the first heating rod (4) and the second heating rod (31) through leads and respectively sends out a first heating rod control signal (d) and a second heating rod control signal (e) to control the on-off of the heating rods;
the electronic control unit (14) is respectively connected with the first oxygen pressure sensor (8) and the second oxygen pressure sensor (32) through leads, and obtains an oxygen pressure signal through a first oxygen pressure sensor signal (j) and a second oxygen pressure sensor signal (g) respectively;
the electronic control unit (14) is respectively connected with the first oxygen temperature sensor (6) and the second oxygen temperature sensor (29) through leads, and obtains oxygen temperature signals through a first oxygen temperature sensor signal (f) and a second oxygen temperature sensor signal (a) respectively;
the electronic control unit (14) is respectively connected with the first oxygen solenoid valve (7) and the second oxygen solenoid valve (30) through leads and controls the opening and closing of the solenoid valves through a first oxygen solenoid valve control signal (h) and a second oxygen solenoid valve control signal (c) respectively;
the electronic control unit (14) is respectively connected with the first hydrogen nozzle (3) and the second hydrogen nozzle (33) through leads and controls the opening and closing of the electromagnetic valve through a first hydrogen nozzle control signal (b) and a second hydrogen nozzle control signal (i).
The zero-emission compression ignition type two-stroke rotor machine capable of recycling oxygen comprises the following control strategies:
(1) fuel supply and combustion strategy of two-stroke rotor machine
The rotor machine is provided with two sets of air inlet and exhaust devices, and each time the rotor rotates for one circle, the electronic control unit (14) enables the two sets of air inlet and exhaust devices to be opened and closed once periodically by judging a rotor top dead center position signal, so that the rotor machine can run in a two-stroke mode; wherein, the definition of the top dead center of the rotor machine is as follows: the position of the rotor at the minimum volume of the cylinder; the definition of bottom dead center is: the position of the rotor at the maximum volume of the cylinder; therefore, the rotor machine has 2 top dead center positions and 2 bottom dead center positions.
When the rotor machine runs, oxygen in a high-pressure oxygen tank (12) is decompressed by an oxygen pressure regulator (13) and then is input into an oxygen inlet pipeline, and respectively enters a first oxygen inlet channel (9) and a second oxygen inlet channel (36) after being heated by a heat exchanger, and an electronic control unit (14) sends a first oxygen solenoid valve control signal (h) and a second oxygen solenoid valve control signal (c) to control the oxygen to enter a cylinder within a rotor rotation angle range of 35 degrees before a top dead center and 10 degrees before the top dead center by judging a rotor rotation angle signal; meanwhile, hydrogen in the first hydrogen storage tank (1) is subjected to pressure regulation by a first hydrogen pressure controller (2) and then is sprayed into the cylinder through a first hydrogen nozzle (3), hydrogen in the second hydrogen storage tank (35) is subjected to pressure regulation by a second hydrogen pressure controller (34) and then is sprayed into the cylinder through a second hydrogen nozzle (33), and an electronic control unit (14) sends a first hydrogen nozzle control signal (b) and a second hydrogen nozzle control signal (i) by judging a rotor rotation angle signal to control the hydrogen to be sprayed into the cylinder within a rotor rotation angle range of 35 degrees before top dead center to 10 degrees before top dead center;
the supply pressure of the hydrogen and oxygen fuel is in the range of 0.5-1 MPa in the supply process, and the hydrogen and oxygen fuel is supplied for ensuringThe backflow phenomenon caused by different supply pressures does not occur in the process, and the supply pressure of the hydrogen and oxygen fuel is kept the same; at the same time, the electronic control unit (14) regulates the peroxide concentration factor gamma of the gas mixture during operation, wherein the peroxide concentration factor
VaActual volume of oxygen, V, supplied to the oxygen supply apparatusbThe theoretical oxygen volume required for complete combustion of hydrogen; in order to ensure the complete combustion of the hydrogen fuel, the electronic control unit (14) adjusts the peroxide concentration coefficient gamma of the mixed gas to be maintained at 1.1-1.3 in the running process;
the electronic control unit (14) obtains the oxygen inlet temperature T through the signal of the oxygen temperature sensoriAccording to the oxygen inlet temperature TiCalculating the temperature T of the mixed gas at the end of compression by using the compression ratio r of the rotor machine and the specific heat ratio k of the mixed gase,Te＝m*Ti*r(k-1)Wherein m is a proportionality coefficient, and m is more than or equal to 0.8 and less than or equal to 1.3; t calculated by the electronic control unit (14)eWhen the temperature is less than or equal to 858K, the electronic control unit respectively sends out a first heating rod control signal (d) and a second heating rod control signal (e) to switch on the heating rods to heat the mixed gas in the cylinder, so as to ensure that the temperature in the cylinder is not lower than the spontaneous combustion temperature of hydrogen in oxygen when the hydrogen is sprayed into the cylinder; t calculated by the electronic control unit (14)eWhen the temperature is more than 858K, the electronic control unit stops sending out the first heating rod control signal (d) and the second heating rod control signal (e) and stops heating the mixed gas by the heating rods;
(2) tail gas energy utilization and oxygen recovery strategy
High-temperature tail gas in the operation process of the rotor machine flows into the energy recovery device (20) through the exhaust main pipe (21), the tail gas pushes a mechanism in the energy recovery device (20) to do work by means of self kinetic energy, and the kinetic energy is converted into mechanical energy; meanwhile, the energy recovery device (20) is connected with the eccentric shaft (25) and transmits the recovered energy to the eccentric shaft, so that the dynamic property of the rotor machine is improved;
the tail gas flowing out through the energy recovery device (20) further flows into a high-temperature port of the heat exchanger (10) through the exhaust main pipe (21), and the heat of the tail gas in the heat exchanger (10) is transferred to oxygen in the oxygen inlet main pipeline (11); the tail gas after twice utilization enters a condenser (17), and as the combustion product of hydrogen and oxygen only contains water and the peroxide concentration coefficient gamma is maintained to be 1.1-1.3 in the operation process, the components of the tail gas entering the condenser (17) are liquid water, water vapor and oxygen; tail gas is condensed in the condenser (17) through a pipeline between the cooling liquid inlet (16) and the cooling liquid outlet (18), condensed liquid water flows into the bottom of the condenser (17) and is discharged through the water outlet (19), and the residual uncondensed tail gas is pure oxygen; oxygen recovered under the action of gas pushing enters an oxygen pump (15), the oxygen pump (15) pumps the oxygen in the tail gas into an oxygen inlet main pipe (11), and then the oxygen in the tail gas is recycled.
Claims (2)
1. A zero-emission compression ignition type two-stroke rotor machine capable of recovering oxygen is characterized by comprising: a rotor machine cylinder body (24), an eccentric shaft (25), a rotor (26), a first heating rod (4) and a second heating rod (31) which are arranged on the rotor machine; the first hydrogen storage tank (1) is connected with the first hydrogen pressure controller (2) through a pipeline, hydrogen in the tank is sprayed into the tank through the first hydrogen nozzle (3), the second hydrogen storage tank (35) is connected with the second hydrogen pressure controller (34) through a pipeline, and the hydrogen in the tank is sprayed into the tank through the second hydrogen nozzle (33); a high-pressure oxygen tank (12) in an oxygen inlet manifold (11) is connected with an oxygen pressure regulator (13) through a pipeline, oxygen in the pipeline can enter a cylinder through a first oxygen inlet channel (9), a first oxygen pressure sensor (8), a first oxygen solenoid valve (7), a first oxygen temperature sensor (6) and a first oxygen inlet valve (5), or enter the cylinder through a second oxygen inlet channel (36), a second oxygen pressure sensor (32), a second oxygen solenoid valve (30), a second oxygen temperature sensor (29) and a second oxygen inlet valve (28); burnt tail gas is respectively gathered into an exhaust main pipe (21) through a first exhaust passage (22) and a second exhaust passage (37) through a first exhaust port (23) and a second exhaust port (27), the burnt tail gas sequentially flows into an energy recovery device (20) and a heat exchanger (10), a condenser (17) is connected with an oxygen pump (15), the oxygen pump (15) can pump the recovered oxygen into an oxygen inlet main pipe (11), wherein a cooling liquid inlet (16), a cooling liquid outlet (18) and a water outlet (19) are arranged on the condenser (17);
the electronic control unit (14) is respectively connected with the first heating rod (4) and the second heating rod (31) through leads and respectively sends out a first heating rod control signal (d) and a second heating rod control signal (e) to control the on-off of the heating rods;
the electronic control unit (14) is respectively connected with the first oxygen pressure sensor (8) and the second oxygen pressure sensor (32) through leads, and obtains an oxygen pressure signal through a first oxygen pressure sensor signal (j) and a second oxygen pressure sensor signal (g) respectively;
the electronic control unit (14) is respectively connected with the first oxygen temperature sensor (6) and the second oxygen temperature sensor (29) through leads, and obtains oxygen temperature signals through a first oxygen temperature sensor signal (f) and a second oxygen temperature sensor signal (a) respectively;
the electronic control unit (14) is respectively connected with the first oxygen solenoid valve (7) and the second oxygen solenoid valve (30) through leads and controls the opening and closing of the solenoid valves through a first oxygen solenoid valve control signal (h) and a second oxygen solenoid valve control signal (c) respectively;
the electronic control unit (14) is respectively connected with the first hydrogen nozzle (3) and the second hydrogen nozzle (33) through leads and controls the opening and closing of the electromagnetic valve through a first hydrogen nozzle control signal (b) and a second hydrogen nozzle control signal (i).
2. The method for controlling the oxygen-recoverable, zero-emission compression-ignition two-stroke rotor machine of claim 1, comprising a two-stroke rotor machine fuel supply and combustion strategy, an exhaust gas energy utilization and oxygen recovery strategy;
(1) fuel supply and combustion strategy of two-stroke rotor machine
The rotor machine is provided with two sets of air inlet and exhaust devices, and each time the rotor rotates for one circle, the electronic control unit (14) enables the two sets of air inlet and exhaust devices to be opened and closed once periodically by judging a rotor top dead center position signal, so that the rotor machine can run in a two-stroke mode; wherein, the definition of the top dead center of the rotor machine is as follows: the position of the rotor at the minimum volume of the cylinder; the definition of bottom dead center is: the position of the rotor at the maximum volume of the cylinder; therefore, the rotor machine has 2 top dead center positions and 2 bottom dead center positions.
When the rotor machine runs, oxygen in a high-pressure oxygen tank (12) is decompressed by an oxygen pressure regulator (13) and then is input into an oxygen inlet pipeline, and respectively enters a first oxygen inlet channel (9) and a second oxygen inlet channel (36) after being heated by a heat exchanger, and an electronic control unit (14) sends a first oxygen solenoid valve control signal (h) and a second oxygen solenoid valve control signal (c) to control the oxygen to enter a cylinder within a rotor rotation angle range of 35 degrees before a top dead center and 10 degrees before the top dead center by judging a rotor rotation angle signal; meanwhile, hydrogen in the first hydrogen storage tank (1) is subjected to pressure regulation by a first hydrogen pressure controller (2) and then is sprayed into the cylinder through a first hydrogen nozzle (3), hydrogen in the second hydrogen storage tank (35) is subjected to pressure regulation by a second hydrogen pressure controller (34) and then is sprayed into the cylinder through a second hydrogen nozzle (33), and an electronic control unit (14) sends a first hydrogen nozzle control signal (b) and a second hydrogen nozzle control signal (i) by judging a rotor rotation angle signal to control the hydrogen to be sprayed into the cylinder within a rotor rotation angle range of 35 degrees before top dead center to 10 degrees before top dead center;
the supply pressure of the oxyhydrogen fuel is in the range of 0.5-1 MPa in the supply process, and the supply pressure of the oxyhydrogen fuel is kept the same in order to ensure that the backflow phenomenon caused by different supply pressures does not occur in the supply process; at the same time, the electronic control unit (14) regulates the peroxide concentration factor gamma of the gas mixture during operation, wherein the peroxide concentration factor
VaActual volume of oxygen, V, supplied to the oxygen supply apparatusbThe theoretical oxygen volume required for complete combustion of hydrogen; in order to ensure the complete combustion of the hydrogen fuel, the electronic control unit (14) adjusts the peroxide concentration coefficient gamma of the mixed gas to be maintained at 1.1-1.3 in the running process;
the electronic control unit (14) obtains the oxygen inlet temperature T through the signal of the oxygen temperature sensoriAccording to the oxygen inlet temperature TiCalculating the temperature T of the mixed gas at the end of compression by using the compression ratio r of the rotor machine and the specific heat ratio k of the mixed gase,Te＝m*Ti*r(k-1)Wherein m is a proportionality coefficient, and m is more than or equal to 0.8 and less than or equal to 1.3; t calculated by the electronic control unit (14)eWhen the temperature is less than or equal to 858K, the electronic control unit respectively sends out a first heating rod control signal (d) and a second heating rod control signal (e) to switch on the heating rods to heat the mixed gas in the cylinder, so as to ensure that the temperature in the cylinder is not lower than the spontaneous combustion temperature of hydrogen in oxygen when the hydrogen is sprayed into the cylinder; t calculated by the electronic control unit (14)eWhen the temperature is more than 858K, the electronic control unit stops sending out the first heating rod control signal (d) and the second heating rod control signal (e) and stops heating the mixed gas by the heating rods;
(2) tail gas energy utilization and oxygen recovery strategy
High-temperature tail gas in the operation process of the rotor machine flows into the energy recovery device (20) through the exhaust main pipe (21), the tail gas pushes a mechanism in the energy recovery device (20) to do work by means of self kinetic energy, and the kinetic energy is converted into mechanical energy; meanwhile, the energy recovery device (20) is connected with the eccentric shaft (25) and transmits the recovered energy to the eccentric shaft, so that the dynamic property of the rotor machine is improved;
the tail gas flowing out through the energy recovery device (20) further flows into a high-temperature port of the heat exchanger (10) through the exhaust main pipe (21), and the heat of the tail gas in the heat exchanger (10) is transferred to oxygen in the oxygen inlet main pipeline (11); the tail gas after twice utilization enters a condenser (17), and as the combustion product of hydrogen and oxygen only contains water and the peroxide concentration coefficient gamma is maintained to be 1.1-1.3 in the operation process, the components of the tail gas entering the condenser (17) are liquid water, water vapor and oxygen; tail gas is condensed in the condenser (17) through a pipeline between the cooling liquid inlet (16) and the cooling liquid outlet (18), condensed liquid water flows into the bottom of the condenser (17) and is discharged through the water outlet (19), and the residual uncondensed tail gas is pure oxygen; oxygen recovered under the action of gas pushing enters an oxygen pump (15), the oxygen pump (15) pumps the oxygen in the tail gas into an oxygen inlet main pipe (11), and then the oxygen in the tail gas is recycled.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006934A (en) * | 2021-03-12 | 2021-06-22 | 北京工业大学 | Ignition type diesel rotor machine and control method thereof |
| CN113389637A (en) * | 2021-06-29 | 2021-09-14 | 北京工业大学 | Air inlet humidifying quality adjusting hydrogen rotor machine and control method |
| CN113389624A (en) * | 2021-06-11 | 2021-09-14 | 重庆大学 | Wankel engine and high-temperature water spraying based tail gas waste heat recovery efficient engine structure |
| CN114893330A (en) * | 2022-05-20 | 2022-08-12 | 哈尔滨工程大学 | External fuel pretreatment device, engine system and control method thereof |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1383729A (en) * | 1972-05-15 | 1974-02-12 | Nissan Motor | Trochoidal type rotary piston internal combustion engine |
| US5271359A (en) * | 1990-11-20 | 1993-12-21 | Mazda Motor Corporation | Gas fuel engine |
| CN2311615Y (en) * | 1997-04-16 | 1999-03-24 | 张旭 | Waste gas turbine energy recovery apparatus for internal combustion engine |
| CN1316583A (en) * | 1999-12-10 | 2001-10-10 | 赫多特普索化工设备公司 | Method for operating compression ignition engine |
| JP2005042563A (en) * | 2003-07-23 | 2005-02-17 | Seiji Kubo | Hydrogen engine and its driving method |
| WO2008016979A2 (en) * | 2006-08-02 | 2008-02-07 | Liquidpiston, Inc. | Hybrid cycle rotary engine |
| CN101316999A (en) * | 2005-09-29 | 2008-12-03 | 原动力国际有限责任公司 | Hydrogen g-cycle rotary internal combustion engine |
| CN101718221A (en) * | 2009-12-18 | 2010-06-02 | 奇瑞汽车股份有限公司 | Application of hydrogen fuel and rotary engine thereof |
| US20110023814A1 (en) * | 2008-08-04 | 2011-02-03 | Liquidpiston, Inc. | Isochoric Heat Addition Engines and Methods |
| US20110036324A1 (en) * | 2009-06-17 | 2011-02-17 | De Versterre William I | DEV cycle engine |
| US20110174262A1 (en) * | 2008-10-08 | 2011-07-21 | Pratt & Whitney Rocketdyne, Inc. | Rotary engine with exhaust gas supplemental compounding |
| CN104234832A (en) * | 2014-09-10 | 2014-12-24 | 北京工业大学 | hydrogen-gasoline blended fuel rotary engine and control method |
| WO2017194057A1 (en) * | 2016-05-11 | 2017-11-16 | Reinhard Diem | Internal combustion engine with a rotor rotatable about its own axis |
| CN207315517U (en) * | 2017-04-27 | 2018-05-04 | 袁新文 | Two-stroke multi-trace rotary internal combustion engine |
| CN108443010A (en) * | 2018-02-13 | 2018-08-24 | 上海柯来浦能源科技有限公司 | A kind of pure hydrogen combustion engine of oxygen direct-injection and its dynamical system |
| CN109404120A (en) * | 2018-12-30 | 2019-03-01 | 北京工业大学 | The compression-ignited zero nitrogen discharged pure oxygen rotary engine of one kind and its control method |
| CN109707504A (en) * | 2018-12-30 | 2019-05-03 | 北京工业大学 | A kind of zero-emission hydrogen engine and its control method |
| CN111156078A (en) * | 2020-01-03 | 2020-05-15 | 北京工业大学 | Two-stroke hydrogen-oxygen fuel rotor machine and control strategy thereof |
-
2020
- 2020-07-20 CN CN202010701084.7A patent/CN111997747B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1383729A (en) * | 1972-05-15 | 1974-02-12 | Nissan Motor | Trochoidal type rotary piston internal combustion engine |
| US5271359A (en) * | 1990-11-20 | 1993-12-21 | Mazda Motor Corporation | Gas fuel engine |
| CN2311615Y (en) * | 1997-04-16 | 1999-03-24 | 张旭 | Waste gas turbine energy recovery apparatus for internal combustion engine |
| CN1316583A (en) * | 1999-12-10 | 2001-10-10 | 赫多特普索化工设备公司 | Method for operating compression ignition engine |
| JP2005042563A (en) * | 2003-07-23 | 2005-02-17 | Seiji Kubo | Hydrogen engine and its driving method |
| CN101316999A (en) * | 2005-09-29 | 2008-12-03 | 原动力国际有限责任公司 | Hydrogen g-cycle rotary internal combustion engine |
| WO2008016979A2 (en) * | 2006-08-02 | 2008-02-07 | Liquidpiston, Inc. | Hybrid cycle rotary engine |
| US20110023814A1 (en) * | 2008-08-04 | 2011-02-03 | Liquidpiston, Inc. | Isochoric Heat Addition Engines and Methods |
| US20110174262A1 (en) * | 2008-10-08 | 2011-07-21 | Pratt & Whitney Rocketdyne, Inc. | Rotary engine with exhaust gas supplemental compounding |
| US20110036324A1 (en) * | 2009-06-17 | 2011-02-17 | De Versterre William I | DEV cycle engine |
| CN101718221A (en) * | 2009-12-18 | 2010-06-02 | 奇瑞汽车股份有限公司 | Application of hydrogen fuel and rotary engine thereof |
| CN104234832A (en) * | 2014-09-10 | 2014-12-24 | 北京工业大学 | hydrogen-gasoline blended fuel rotary engine and control method |
| WO2017194057A1 (en) * | 2016-05-11 | 2017-11-16 | Reinhard Diem | Internal combustion engine with a rotor rotatable about its own axis |
| CN207315517U (en) * | 2017-04-27 | 2018-05-04 | 袁新文 | Two-stroke multi-trace rotary internal combustion engine |
| CN108443010A (en) * | 2018-02-13 | 2018-08-24 | 上海柯来浦能源科技有限公司 | A kind of pure hydrogen combustion engine of oxygen direct-injection and its dynamical system |
| CN109404120A (en) * | 2018-12-30 | 2019-03-01 | 北京工业大学 | The compression-ignited zero nitrogen discharged pure oxygen rotary engine of one kind and its control method |
| CN109707504A (en) * | 2018-12-30 | 2019-05-03 | 北京工业大学 | A kind of zero-emission hydrogen engine and its control method |
| CN111156078A (en) * | 2020-01-03 | 2020-05-15 | 北京工业大学 | Two-stroke hydrogen-oxygen fuel rotor machine and control strategy thereof |
Non-Patent Citations (3)
| Title |
|---|
| 纪常伟: "进气道结构对汽油转子发动机燃烧过程的影响", 《北京工业大学学报》 * |
| 谢倩等: "LNG废气重整再循环发动机系统的模拟", 《内燃机学报》 * |
| 陈士强等: "中国运载火箭液体动力系统发展方向研究", 《宇航总体技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006934A (en) * | 2021-03-12 | 2021-06-22 | 北京工业大学 | Ignition type diesel rotor machine and control method thereof |
| CN113389624A (en) * | 2021-06-11 | 2021-09-14 | 重庆大学 | Wankel engine and high-temperature water spraying based tail gas waste heat recovery efficient engine structure |
| CN113389637A (en) * | 2021-06-29 | 2021-09-14 | 北京工业大学 | Air inlet humidifying quality adjusting hydrogen rotor machine and control method |
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| CN114893330B (en) * | 2022-05-20 | 2023-05-12 | 哈尔滨工程大学 | External fuel pretreatment device, engine system and control method thereof |
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