CN107061069B - Fuel heat exchange gasifier and internal combustion engine - Google Patents
Fuel heat exchange gasifier and internal combustion engine Download PDFInfo
- Publication number
- CN107061069B CN107061069B CN201710375090.6A CN201710375090A CN107061069B CN 107061069 B CN107061069 B CN 107061069B CN 201710375090 A CN201710375090 A CN 201710375090A CN 107061069 B CN107061069 B CN 107061069B
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- fuel
- exchange chamber
- chamber
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 98
- 239000000446 fuel Substances 0.000 title claims abstract description 93
- 239000007789 gas Substances 0.000 claims abstract description 108
- 239000000295 fuel oil Substances 0.000 claims abstract description 44
- 239000002737 fuel gas Substances 0.000 claims abstract description 32
- 238000001816 cooling Methods 0.000 claims description 28
- 238000007599 discharging Methods 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052799 carbon Inorganic materials 0.000 abstract description 13
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000000567 combustion gas Substances 0.000 abstract description 2
- 239000003502 gasoline Substances 0.000 description 15
- 238000012360 testing method Methods 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 239000010763 heavy fuel oil Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Classifications
-
- 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
- F02M31/16—Other apparatus for heating fuel
- F02M31/18—Other apparatus for heating fuel to vaporise fuel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Nozzles For Spraying Of Liquid Fuel (AREA)
Abstract
The invention relates to the field of internal combustion engine structures, and aims to solve the problems that the existing internal combustion engine is insufficient in fuel oil combustion, fuel oil waste is caused by the fact that no fuel oil after combustion is discharged, carbon emission and pollution to the atmosphere are increased, and provides a fuel oil heat exchange gasifier and an internal combustion engine. The fuel oil heat exchange gasifier comprises a heat exchange chamber, an air inlet, an air outlet and a plurality of heat exchange pipes. The air inlet communicates with the heat exchange chamber and is configured for introducing combustion gases. The gas outlet communicates with the heat exchange chamber and is configured to discharge the fuel gas. The heat exchange tube is at least partially located within the heat exchange chamber. The heat exchange tube has one end communicating with the exhaust inlet and the other end communicating with the exhaust outlet and is configured to pass through the exhaust gas after combustion of the gas. The invention has the advantages that the fuel can be gasified instantly and fully combusted instantly, the combustion energy is released instantly to do work, and the power of the internal combustion engine is improved; and meanwhile, the fully combusted fuel gas can reduce carbon emission and the emission of polluted gas.
Description
Technical Field
The invention relates to the field of internal combustion engine structures, in particular to a fuel heat exchange gasifier and an internal combustion engine.
Background
The fuel oil combustion of the internal combustion engine in the prior art is insufficient, and fuel oil waste is caused by the fact that fuel oil which is not burnt out is discharged, so that carbon emission and atmospheric pollution are increased.
Disclosure of Invention
The invention aims to provide a fuel heat exchange gasifier, which solves the problems of insufficient fuel combustion of an internal combustion engine, fuel waste caused by the fact that no fuel after combustion is discharged, carbon emission increase and atmospheric pollution in the prior art.
Another object of the present invention is to provide an internal combustion engine provided with the above-described fuel heat exchange gasifier.
The inventor researches and discovers that one of the main factors affecting the sufficient degree of fuel combustion is that fuel is injected in larger particles in the prior art, the combustion of the fuel starts from the surface, the larger particles of the fuel need longer time to burn from the outside to the inside, and the time of each oil inlet and combustion of the combustion chamber is very short, so that part of the fuel particles are rapidly discharged from an exhaust outlet after only partial combustion, thereby causing the problems of insufficient fuel combustion and waste of fuel discharge, increased carbon emission and pollution to the atmosphere in the prior art.
Based on the above problems, the embodiment of the invention provides a fuel heat exchange gasifier, which comprises a heat exchange chamber, an air inlet, an air outlet and a plurality of heat exchange pipes. The air inlet communicates with the heat exchange chamber and is configured for introducing combustion gases. The gas outlet communicates with the heat exchange chamber and is configured to discharge the fuel gas. The heat exchange tube is at least partially located within the heat exchange chamber. The heat exchange tube has one end communicating with the exhaust inlet and the other end communicating with the exhaust outlet and is configured to pass through the exhaust gas after combustion of the gas.
When the fuel oil heat exchange gasifier is used, fuel gas is introduced into a combustion chamber of an internal combustion engine from an air inlet through the heat exchange tube and an air outlet, and high-temperature tail gas generated after the fuel gas is combusted in the combustion chamber is discharged from an exhaust outlet through the heat exchange tube from an exhaust inlet. When the tail gas passes through the heat exchange chamber in the heat exchange pipe, the heat carried in the tail gas and the heat generated by the combustion of the residual fuel gas which is not fully combusted in the tail gas are used for heating the fuel gas in the space outside the heat exchange pipe through the heat exchange chamber at high temperature, so that on one hand, the fuel gas obtains larger basic heat, and on the other hand, the fuel oil heat exchange gasifier is heated to high temperature, so that the passing fuel oil can be gasified instantly, fully combusted instantly after ignition, instant power release is realized, and the power of the internal combustion engine is improved; and meanwhile, the fully combusted fuel gas can reduce carbon emission and the emission of polluted gas.
In one embodiment of the invention:
the fuel oil heat exchange gasifier also comprises plugs for respectively plugging the openings at the two axial ends of the heat exchange chamber. Two ends of each heat exchange tube are fixedly connected to the two plugs respectively, and the two ends of each heat exchange tube penetrate through the corresponding plugs respectively and are communicated with the exhaust inlet and the exhaust outlet respectively.
In one embodiment of the invention:
the fuel oil heat exchange gasifier further comprises an outer sleeve, the outer sleeve is sleeved outside the heat exchange chamber at intervals, a first channel is formed between the outer sleeve and the outer wall of the heat exchange chamber, and two ends of the first channel are respectively communicated with the exhaust inlet and the exhaust outlet.
In one embodiment of the invention:
the fuel oil heat exchange gasifier also comprises a tail gas inlet pipe and a tail gas outlet pipe which are respectively connected with the two ends of the outer sleeve. The tail gas inlet pipe comprises a first connecting pipe with the diameter smaller than that of the outer sleeve and a first conical pipe which is communicated with the first connecting pipe and the outer sleeve. The tail gas outlet pipe comprises a second connecting pipe with the diameter smaller than that of the outer sleeve and a second conical pipe which is communicated with the second connecting pipe and the outer sleeve.
In one embodiment of the invention:
and the two ends of the first channel are respectively provided with a supporting piece which is supported between the outer sleeve and the heat exchange chamber.
In one embodiment of the invention:
the heat exchange chamber is of a cylindrical structure, and the section shape of the heat exchange chamber is a kidney-shaped hole. The heat exchange chamber has first and second ends that are opposite along a cross-sectional length thereof. The air inlet includes a fuel inlet and an air inlet respectively communicating with the first ends. The air outlet is communicated with the second end.
In one embodiment of the invention:
the fuel heat exchange gasifier also comprises a micro air inlet pipe with the inner diameter smaller than that of the air inlet, one end of the micro air inlet pipe is a micro air inlet communicated with air, and the other end of the micro air inlet pipe is communicated with the heat exchange chamber and is close to the fuel inlet.
In one embodiment of the invention:
the fuel heat exchange gasifier also comprises a nozzle seat which is fixedly connected with a fuel injector for injecting fuel to the fuel inlet.
In one embodiment of the invention:
the fuel heat exchange gasifier also includes a cooling system having a cooling passage passing through the fuel injector and configured to cool the fuel injector.
The embodiment of the invention also provides a fuel oil heat exchange gasifier which comprises a heat exchange chamber, two plugs, an oil sprayer, an air inlet pipe with an air inlet, an air outlet pipe with an air outlet, a plurality of heat exchange pipes, an outer sleeve, a nozzle seat, a tail gas inlet pipe with an exhaust inlet, a tail gas outlet pipe with an exhaust outlet and a cooling system. The heat exchange chamber is of a cylindrical structure, and the section shape of the heat exchange chamber is a kidney-shaped hole. The heat exchange chamber has first and second ends that are opposite along a cross-sectional length thereof. The two plugs are used for respectively blocking openings at two axial ends of the heat exchange chamber. The fuel injector is connected to the first end and communicated with the heat exchange chamber. The fuel injector is configured to inject fuel into the heat exchange chamber. The air inlet pipe is connected to the first end. The air inlet pipe is configured to communicate with the heat exchange chamber and is used for introducing air into the heat exchange chamber. The air outlet pipe is connected to the second end. The air outlet pipe is configured to be communicated with the heat exchange chamber and used for leading out mixed fuel gas. The heat exchange tubes are arranged in the heat exchange chamber at intervals in parallel, and the axes of the heat exchange tubes are parallel to the axis of the heat exchange chamber. Two ends of each heat exchange tube are fixedly connected with two plugs respectively. The outer sleeve is sleeved outside the heat exchange chamber and is arranged in parallel with the heat exchange chamber at intervals to form a first channel along the axial direction. And supporting pieces supported between the outer sleeve and the heat exchange chamber are respectively arranged at two ends of the first channel. The air inlet pipe and the air outlet pipe respectively penetrate out of the outer sleeve. The nozzle seat is fixedly arranged at the first end and used for installing the fuel injector. The tail gas inlet pipe and the tail gas outlet pipe are respectively communicated with the openings at the two axial ends of the outer sleeve and are communicated with the first channel and each heat exchange pipe. The cooling channel of the cooling system is connected to the first end of the outer sleeve, which is opposite to the heat exchange chamber. The cooling passage passes through the fuel injector and is configured to cool the fuel injector.
When the fuel oil heat exchange gasifier is used, mixed fuel gas is introduced into a combustion chamber of an internal combustion engine from an air inlet through the heat exchange tube and an air outlet, and high-temperature tail gas generated after the mixed fuel gas is combusted in the combustion chamber is discharged from an exhaust outlet through the heat exchange tube from an exhaust inlet. When the tail gas passes through the heat exchange chamber in the heat exchange pipe, the heat carried in the tail gas and the heat generated by the combustion of the residual fuel gas which is not fully combusted in the tail gas are used for heating the fuel gas in the space outside the heat exchange pipe through the heat exchange chamber at high temperature, so that on one hand, the fuel gas obtains larger basic heat, and on the other hand, the fuel oil heat exchange gasifier is heated to high temperature, so that the passing fuel oil can be gasified instantly, fully combusted instantly after ignition, instant power release is realized, and the power of the internal combustion engine is improved; and meanwhile, the fully combusted fuel gas can reduce carbon emission and the emission of polluted gas.
The embodiment of the invention also provides an internal combustion engine, which comprises the fuel oil heat exchange gasifier. The air outlet is communicated with a fuel gas inlet of a combustion chamber of the internal combustion engine. An exhaust outlet of a combustion chamber of the internal combustion engine communicates with the exhaust inlet.
In summary, the fuel oil heat exchange gasifier in the embodiment of the invention can obtain larger basic heat for fuel gas on one hand, and is heated to high temperature on the other hand, so that the passing fuel oil can be gasified instantaneously, fully combusted instantaneously after ignition, and released instantaneously, and the power of the internal combustion engine is improved; simultaneously, the fully combusted fuel gas can reduce carbon emission and the emission of polluted gas;
the internal combustion engine in the embodiment has the fuel heat exchange gasifier, so that the fuel is fully combusted, the power of the internal combustion engine is high, and carbon emission and pollution gas emission are low.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a fuel heat exchange gasifier in accordance with an embodiment of the invention (shown in cross-section);
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a view in the direction C of FIG. 1;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 5 is a view in the C-direction of the outer sleeve of FIG. 1;
fig. 6 is a schematic structural view of an internal combustion engine in an embodiment of the invention;
fig. 7 is a schematic view of the internal combustion engine in fig. 6 in use.
Icon: 010-internal combustion engine; 100-fuel oil heat exchange gasifier; 200-combustion chamber; 10-a heat exchange chamber; 11-an air inlet pipe; 12-an air outlet pipe; 13-a support; 20-heat exchange tubes; 30-plugs; 40-an outer sleeve; 50-tail gas inlet pipe; 51-a first connecting tube; 52-a first conical tube; 60-a tail gas outlet pipe; 61-a second connecting tube; 62-a second tapered tube; 70-a nozzle holder; 71-an oil injector; 80-a cooling system; 81-cooling channels; 90-micro air inlet pipe; d1—a first end; d2—a second end; k1-air inlet; k11-fuel inlet; k12-air inlet; k2-air outlet; k3-exhaust inlet; k4-exhaust outlet; k5—gas inlet; k6-a tail gas outlet; k7-micro air inlets; t1-a first channel; l1-connecting flanges; l2-connecting flanges; g1-supporting blocks; q1-tapping; q2-tapping; q3-opening.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The terms "first," "second," and the like, in the description of the present invention, are used for distinguishing between the descriptions and not be construed as indicating or implying a relative importance.
Example 1
FIG. 1 is a schematic diagram of a fuel heat exchange gasifier 100 (shown in cross-section) in accordance with an embodiment of the present invention; FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1; FIG. 3 is a view in the direction C of FIG. 1; fig. 4 is a sectional view taken along line B-B of fig. 1, and the four views collectively show the structure of the fuel heat exchange gasifier 100 of the present embodiment. Referring to fig. 1 (see fig. 2, 3 and 4 in combination), a fuel heat exchange gasifier 100 in the present embodiment includes a heat exchange chamber 10, an air inlet K1, an air outlet K2, and a plurality of heat exchange tubes 20. The intake K1 communicates with the heat exchange chamber 10 and is configured for introducing fuel gas. The gas outlet K2 communicates with the heat exchange chamber 10 and is configured for letting out gas. The heat exchange tubes 20 are at least partially located within the heat exchange chamber 10. The heat exchange pipe 20 has one end communicating with the exhaust inlet K3 and the other end communicating with the exhaust outlet K4, and is configured to pass the exhaust gas after combustion of the gas.
When the fuel oil heat exchange gasifier 100 in the embodiment of the invention is used, fuel gas is introduced into a combustion chamber 200 (see fig. 6) of the internal combustion engine through the heat exchange tube 20 and the air outlet K2 from the air inlet K1, and high-temperature tail gas generated after the fuel gas is combusted in the combustion chamber 200 is discharged from the exhaust outlet K4 through the heat exchange tube 20 from the exhaust inlet K3. When the tail gas passes through the heat exchange chamber 10 in the heat exchange tube 20, the heat carried in the tail gas and the residual fuel gas which is not fully combusted in the tail gas burn in the heat exchange tube 20 to generate heat which heats the fuel gas in the space outside the heat exchange tube 20 through the heat exchange chamber 10 at high temperature, so that on one hand, the fuel gas obtains larger basic heat, and on the other hand, the fuel oil heat exchange gasifier 100 is heated to high temperature, so that the passing fuel oil can be gasified instantly, fully combusted instantly after ignition, realize instant power release and improve the power of the internal combustion engine; and meanwhile, the fully combusted fuel gas can reduce carbon emission and the emission of polluted gas. Taking a gasoline engine as an example, the temperature of exhaust gas discharged by the gasoline engine is 780 ° (the spontaneous combustion temperature of the gasoline is above 800 °), the exhaust gas passes through the heat exchange tube 20 and then heats the heat exchange chamber 10, the fuel oil heat exchange gasifier 100 can be heated to above 700 °, and the injected gasoline is gasified instantaneously when passing through the outer wall of the high-temperature heat exchange tube 20 and the inner wall of the heat exchange chamber 10. The gasified gasoline can be instantaneously ignited and fully combusted when being ignited, and the power release is instantaneously realized, so that the combustion efficiency of the internal combustion engine is improved, the emission of unburned gasoline is reduced, and the pollution of harmful gas is reduced. The test data show that the fuel oil heat exchange gasifier 100 in the embodiment can improve the power by more than 30%, save the fuel by 40% -60%, and the emission of unburned gas is almost zero.
In one embodiment of the present invention, the fuel heat exchange gasifier 100 further includes plugs 30 for respectively closing the openings of the heat exchange chamber 10 at both axial ends. Two ends of each heat exchange tube 20 are respectively and fixedly connected to the two plugs 30, and two ends of each heat exchange tube 20 respectively pass through the corresponding plugs 30 and are respectively communicated with the exhaust inlet K3 and the exhaust outlet K4. Preferably, the fuel oil heat exchange gasifier 100 further comprises an outer sleeve 40, the outer sleeve 40 is sleeved outside the heat exchange chamber 10 at intervals, a first channel T1 is formed between the outer sleeve 40 and the outer wall of the heat exchange chamber 10, and two ends of the first channel T1 are respectively communicated with the exhaust inlet K3 and the exhaust outlet K4. To support the outer sleeve 40 and the combustion chamber 200, both ends of the first passage T1 are provided with supporting members 13 supported between the outer sleeve 40 and the heat exchange chamber 10, respectively. Alternatively, the support 13 herein may be a plurality of support blocks G1 spaced apart along the circumference of the first passage T1. Alternatively, each supporting block G1 may be integrally formed on the outer wall of the heat exchange chamber 10, and the outer end of the supporting block G1 is welded to the inner wall of the outer sleeve 40 by means of welding, so as to realize supporting connection between the outer sleeve 40 and the heat exchange chamber 10. The supporting blocks G1 have gaps therebetween to maintain the communication of the first passages T1, ensuring that exhaust gas can be discharged from the exhaust gas inlet K3 through the first passages T1 and the exhaust gas outlet K4.
Preferably, the heat exchange chamber 10 has a cylindrical structure and has a cross-sectional shape of a kidney-shaped hole. The heat exchange chamber 10 has first and second ends D1, D2 opposite each other along its cross-sectional length. The intake port K1 includes a fuel inlet port K11 and an air inlet port K12 that communicate with the first end D1, respectively. The air outlet K2 is communicated with the second end D2. Because the heat exchange tube 20 and the heat exchange chamber 10 are heated to high temperature by the high-temperature tail gas, the fuel injected from the fuel inlet K11 is gasified instantly when passing through the inner wall of the heat exchange chamber 10 and the outer wall of the heat exchange tube 20, and air entering from the air inlet K12 is guided into the air passage from the air outlet K2 and is secondarily mixed with air entering from the second air inlet to form mixed fuel gas to enter the cylinder for combustion work. In one embodiment of the present invention, the fuel heat exchange gasifier 100 further comprises a nozzle holder 70, and the nozzle holder 70 is fixedly connected to a fuel injector 71 for injecting fuel into the fuel inlet K11. Two plugs 30 respectively block the openings at the two axial ends of the heat exchange chamber 10. The cross section of the heat exchange chamber 10 in this embodiment is a kidney-shaped hole, so that the paths of air and fuel passing from the air inlet K1 to the air outlet K2 are longer, and the air and the fuel can have enough time to receive the heat from the high-temperature tail gas in the heat exchange tube 20. Thus, the heating time of the air and the fuel can be adjusted by properly adjusting the length of the kidney-shaped hole of the heat exchange chamber 10.
In one embodiment of the present invention, the fuel heat exchange gasifier 100 further includes a tail gas inlet pipe 50 and a tail gas outlet pipe 60 connected to both ends of the outer sleeve 40, respectively. The exhaust gas inlet pipe 50 includes a first connecting pipe 51 having a smaller cross section than the outer sleeve 40 and a first tapered pipe 52 communicating the first connecting pipe 51 with the outer sleeve 40. The exhaust outlet pipe 60 includes a second connecting pipe 61 having a smaller cross section than the outer sleeve 40 and a second tapered pipe 62 communicating the second connecting pipe 61 with the outer sleeve 40. In order to facilitate the connection of the tail gas inlet pipe 50 and the tail gas outlet pipe 60, the outer ends of the tail gas inlet pipe 50 and the tail gas outlet pipe 60 are respectively provided with a connecting flange L1. In use, the exhaust gas inlet pipe 50 may be connected to the internal combustion engine via its connecting flange L1 and communicate with the exhaust gas outlet K6 of the combustion chamber 200 for letting out exhaust gas generated after combustion in the combustion chamber 200. The connection flange L1 of the exhaust outlet pipe 60 may be used to connect a muffler or the like to achieve exhaust noise reduction.
In this embodiment, the injector 71 is heated by the high-temperature exhaust gas, and in order to avoid the high-temperature burnout of the injector 71, a cooling system 80 is provided to cool the injector 71. The cooling channel 81 of the cooling system 80 is connected to the outer sleeve 40 opposite the first end D1 of the heat exchange chamber 10. To facilitate the installation of the cooling passages 81, the outer surface of the outer sleeve 40 adjacent the first end D1 of the heat exchange chamber 10 is provided as a flat surface. The cooling passage 81 passes through the fuel injector 71 and is configured to cool the fuel injector 71. Alternatively, the cooling passage 81 in this embodiment is connected to the end surface of the outer sleeve 40 near the first end D1 of the heat exchange chamber 10 by welding or by a detachable connection by a connection screw.
A more specific implementation of the fuel heat exchange gasifier 100 in this example is given below.
Referring to fig. 1, 2, 3 and 4, the fuel heat exchange gasifier 100 in the present embodiment includes a heat exchange chamber 10, two plugs 30, a fuel injector 71, an air inlet pipe 11 having an air inlet K1, an air outlet pipe 12 having an air outlet K2, a plurality of heat exchange pipes 20, an outer sleeve 40, a nozzle holder 70, an exhaust gas inlet pipe 50 having an exhaust gas inlet K3, an exhaust gas outlet pipe 60 having an exhaust gas outlet K4, and a cooling system 80.
The heat exchange chamber 10 has a cylindrical structure, and has a kidney-shaped cross section. The heat exchange chamber 10 has first and second ends D1, D2 opposite each other along its cross-sectional length. Two plugs 30 respectively block the openings at the two axial ends of the heat exchange chamber 10. The fuel injector 71 is connected to the first end D1 and communicates with the heat exchange chamber 10. The fuel injector 71 is configured to inject fuel into the heat exchange chamber 10. The intake pipe 11 is connected to the first end D1. The intake pipe 11 is provided to communicate with the heat exchange chamber 10 and to introduce air into the heat exchange chamber 10. The outlet pipe 12 is connected to the second end D2. The outlet pipe 12 is arranged to communicate with the heat exchange chamber 10 and is used for discharging the mixed gas. The outer end of the air outlet pipe 12 is provided with a connecting flange L2 for connecting the combustion chamber 200 so that the air outlet K2 is communicated with a fuel gas inlet K5 of the combustion chamber 200. The heat exchange tubes 20 are disposed in the heat exchange chamber 10 at intervals parallel to each other, and the axis of each heat exchange tube 20 is parallel to the axis of the heat exchange chamber 10. Two ends of each heat exchange tube 20 are fixedly connected to two plugs 30 respectively. In this embodiment, the heat exchange tubes 20 are 9 in total, and the 9 heat exchange tubes 20 are arranged in three rows which are staggered from each other in the longitudinal direction of the cross section of the heat exchange chamber 10. The cross section of the heat exchange chamber 10 in this embodiment is a kidney-shaped hole, so that the paths of air and fuel passing from the air inlet K1 to the air outlet K2 are longer, and the air and the fuel can have enough time to receive the heat from the high-temperature tail gas in the heat exchange tube 20. Thus, the heating time of the air and the fuel can be adjusted by properly adjusting the length of the kidney-shaped hole of the heat exchange chamber 10. The outer sleeve 40 is sleeved outside the heat exchange chamber 10 and is arranged in parallel with the heat exchange chamber 10 at intervals to form a first channel T1 along the axial direction. To support the outer sleeve 40 and the heat exchange chamber 10, the first passage T1 is provided at both ends with supporting members 13 supported between the outer sleeve 40 and the heat exchange chamber 10, respectively. Alternatively, the support 13 herein may be a plurality of support blocks G1 spaced apart along the circumference of the first passage T1. Alternatively, each supporting block G1 may be integrally formed on the outer wall of the heat exchange chamber 10, and the outer end of the supporting block G1 is welded to the inner wall of the outer sleeve 40 by means of welding, so as to realize supporting connection between the outer sleeve 40 and the heat exchange chamber 10. The supporting blocks G1 have gaps therebetween to maintain the communication of the first passages T1, ensuring that exhaust gas can be discharged from the exhaust gas inlet K3 through the first passages T1 and the exhaust gas outlet K4. The air inlet pipe 11 and the air outlet pipe 12 respectively penetrate out of the outer sleeve 40. Specifically, an opening may be provided in the outer sleeve 40, through which the inlet pipe and the outlet pipe 12 pass, respectively, and the outer wall of the inlet pipe 11, the outer wall of the outlet pipe 12 and the outer sleeve 40 are connected in a gap-sealing fit. The nozzle holder 70 is fixedly arranged at the first end D1 and is used for mounting the fuel injector 71. The exhaust gas inlet pipe 50 and the exhaust gas outlet pipe 60 are respectively communicated with the openings at the two axial ends of the outer sleeve 40, and are communicated with the first channel T1 and each heat exchange tube 20. To improve the heat exchange efficiency, the cross sections of the heat exchange chamber 10 and the outer sleeve 40 are preferably set larger, and the tail gas inlet pipe 50 and the tail gas outlet pipe 60 which are communicated with the two axial ends of the outer sleeve 40 are appropriately designed, and optionally, the tail gas inlet pipe 50 comprises a first connecting pipe 51 with a cross section smaller than that of the outer sleeve 40 and a first conical pipe 52 which is communicated with the first connecting pipe 51 and the outer sleeve 40; the exhaust outlet pipe 60 includes a second connecting pipe 61 having a smaller cross section than the outer sleeve 40 and a second tapered pipe 62 communicating the second connecting pipe 61 with the outer sleeve 40. In order to facilitate the connection of the tail gas inlet pipe 50 and the tail gas outlet pipe 60, the outer ends of the tail gas inlet pipe 50 and the tail gas outlet pipe 60 are respectively provided with a connecting flange L1. In use, the exhaust gas inlet pipe 50 may be connected to the internal combustion engine via its connecting flange L1 and communicate with the exhaust gas outlet K6 of the combustion chamber 200 for letting out exhaust gas generated after combustion in the combustion chamber 200. The connection flange L1 of the exhaust outlet pipe 60 may be used to connect a muffler or the like to achieve exhaust noise reduction.
In this embodiment, the injector 71 is heated by the high-temperature exhaust gas, and in order to avoid the high-temperature burnout of the injector 71, a cooling system 80 is provided to cool the injector 71. The cooling channel 81 of the cooling system 80 is connected to the outer sleeve 40 opposite the first end D1 of the heat exchange chamber 10. To facilitate the installation of the cooling passages 81, the outer surface of the outer sleeve 40 adjacent the first end D1 of the heat exchange chamber 10 is provided as a flat surface. The cooling passage 81 passes through the fuel injector 71 and is configured to cool the fuel injector 71. Alternatively, the cooling passage 81 in this embodiment is connected to the end surface of the outer sleeve 40 near the first end D1 of the heat exchange chamber 10 by welding or by a detachable connection by a connection screw.
The fuel heat exchange carburetor 100 in the present embodiment is also provided with a micro intake pipe 90. The micro intake pipe 90 is located close to the fuel injector 71. One end of the micro air inlet pipe 90 is a micro air inlet K7, and the other end is communicated with the heat exchange chamber 10. The micro air intake pipe 90 is provided with an electromagnetic valve. When the fuel injector 71 in this embodiment injects fuel, the electromagnetic valve is opened accordingly, air enters from the micro air intake pipe 90, air and fuel mixture enters from the air outlet K2 into the combustion chamber 200 to be ignited and burned, and the air supplied from the micro air intake pipe 90 and the fuel supplied from the fuel injector 71 can supply the mixed fuel gas to the combustion chamber 200 relatively quickly, so as to facilitate the rapid start of the internal combustion engine. When the injector 71 is not operating, the solenoid valve closes the micro intake pipe 90. Preferably, the solenoid valve is mounted on an air cleaner (not shown in the drawings) and the micro air intake pipe 90 is connected by a hose.
As can be seen from the above description, referring to fig. 5, the end of the outer sleeve 40 near the first end D1 of the heat exchange chamber 10 in the present embodiment is provided with the opening Q1 for passing through the intake pipe 11, the opening Q2 for passing through the injector 71, and the opening Q3 for passing through the micro intake pipe 90. Alternatively, the air inlet K12 has a larger aperture, and the two gas inlets K5 are provided, and the two gas inlets K5 are respectively disposed on two sides of the air inlet K12 and are aligned with the center of the air inlet K12. The number of the corresponding micro air inlets K7 is two, and the two micro air inlets K7 are respectively positioned near the two fuel gas inlets K5. The nozzle holders 70 corresponding to the two gas inlets K5 are respectively located in the cooling channels 81 and cooled by the cooling system 80. When the cooling passage 81 passes through the air inlet K12 located between the two gas inlets K5, the cooling passage 81 has a concave section accommodating the intake pipe 11 in order to avoid the intake pipe 11. The concave direction of the cooling passage 81 is in the same direction as the micro air inlet K7.
In summary, the fuel oil heat exchange gasifier 100 in this embodiment heats and gasifies the fuel oil through the fuel oil combustion tail gas, so that the fuel oil enters the combustion chamber 200 to burn in a higher temperature and gasification state, which can ensure sufficient combustion and has the advantages of high fuel oil utilization rate, high power of the internal combustion engine, and less carbon emission and pollutant gas emission. Especially, when the fuel heat exchange gasifier 100 in the embodiment is applied to a gasoline engine, the power of the gasoline engine is improved by 30%, the fuel saving rate is improved by 40% -60%, and the emission of unburned gasoline is almost zero.
Test data of the fuel heat exchange vaporizer 100 in the present embodiment are given below.
Test one:
test site: yinchuan city, helan county and hot spring
Test vehicle model: the power of an engine (gasoline engine) of a free CA10B type automobile equipped with the fuel heat exchange carburetor 100 of the present embodiment is 110 horsepower;
the test process comprises the following steps: the load is 12 tons instead of hanging, and the load runs for 30 km.
Results: the consumption rate of gasoline is reduced by 53%; the spark plug has no black burning phenomenon, which indicates that the gasoline is completely burnt, and basically no insufficiently burnt gasoline is discharged.
And (2) testing II:
in the test on the four-wheel drive 213, the four-wheel drive 213 was compared with the minibus equipped with the fuel heat exchange gasifier 100 of the present invention in the case of an imperfect fuel supply system, and the minibus was driven two fifths of the way than the four-wheel drive 213 in the case of the same fuel quantity. In a plurality of tests and several hundred kilometers, the high oil saving rate is obtained, the good oil saving effect is shown in the tests, the instantaneous release of energy during combustion of gasoline gasification is also shown, and the great improvement of engine power is also shown. In a plurality of tests, the phenomenon that the spark plug is burnt black is not found when the spark plug is taken down, and the fact that the gasoline is completely burnt is proved, and carbon emission is not existed.
Example two
Fig. 6 is a schematic structural diagram of an internal combustion engine 010 in an embodiment of the invention. Referring to fig. 6, the internal combustion engine 010 in the present embodiment includes the fuel heat exchange gasifier 100 in the first embodiment. The gas outlet K2 communicates with the gas inlet K5 of the combustion chamber 200 of the internal combustion engine 010. The exhaust gas outlet K6 of the combustion chamber 200 of the internal combustion engine 010 communicates with the exhaust gas inlet K3.
Fig. 7 is a schematic view of the use state of the internal combustion engine 010 in the embodiment of the invention. Referring to fig. 6 and 7, when the internal combustion engine 010 of the present embodiment is used, air and fuel are introduced from the air inlet K1, the air and the fuel are mixed into a mixed gas in the heat exchange chamber 10 and enter the combustion chamber 200 from the gas inlet K5, the mixed gas and the air entering from the air inlet of the combustion chamber 200 are combusted in the combustion chamber 200, and the exhaust gas generated after the combustion is ignited in the combustion chamber 200 is discharged from the exhaust gas outlet K6 through the exhaust gas inlet K3 and the heat exchange tube 20 and from the exhaust gas outlet K4. When the tail gas passes through the heat exchange tube 20 and is positioned in the heat exchange chamber 10, the heat carried in the tail gas is used for heating the air and the fuel oil in the heat exchange chamber 10, and the fuel oil is heated and gasified to obtain higher heat. The mixed gas with higher heat and gasification degree can be quickly and fully combusted after entering the combustion chamber 200, thereby improving the utilization rate of fuel oil, improving the power of the internal combustion engine 010 and reducing the carbon emission and the pollutant gas emission in the discharged tail gas.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A fuel heat exchange gasifier, said fuel heat exchange gasifier comprising:
a heat exchange chamber;
an air inlet communicating with the heat exchange chamber and configured for introducing a fuel gas;
the air outlet is communicated with the heat exchange chamber and is configured to be used for discharging fuel gas;
the heat exchange pipes are at least partially positioned in the heat exchange chamber; one end of the heat exchange tube is communicated with the exhaust inlet, and the other end of the heat exchange tube is communicated with the exhaust outlet and is configured to pass through tail gas after combustion of fuel gas;
the heat exchange chamber is of a cylindrical structure, and the section of the heat exchange chamber is a kidney-shaped hole; the heat exchange chamber having first and second ends longitudinally opposite along a cross-section thereof;
the air inlet comprises a fuel inlet and an air inlet which are respectively communicated with the first end; the air outlet is communicated with the second end;
the fuel oil heat exchange gasifier also comprises a micro air inlet pipe with the inner diameter smaller than that of the air inlet, one end of the micro air inlet pipe is a micro air inlet communicated with air, and the other end of the micro air inlet pipe is communicated with the heat exchange chamber close to the fuel oil inlet;
the fuel oil heat exchange gasifier also comprises a nozzle seat, wherein the nozzle seat is fixedly connected with a fuel injector for injecting fuel oil to the fuel oil inlet, and the mixed fuel gas can be supplied to the combustion chamber faster by the air supply of the micro air inlet pipe and the fuel oil supply of the fuel injector;
the fuel heat exchange gasifier further includes a cooling system having a cooling passage passing through the fuel injector and configured to cool the fuel injector;
the fuel oil heat exchange gasifier further comprises an outer sleeve, the outer sleeve is sleeved outside the heat exchange chamber at intervals, a first channel is formed between the outer sleeve and the outer wall of the heat exchange chamber, and two ends of the first channel are respectively communicated with the exhaust inlet and the exhaust outlet;
the fuel oil heat exchange gasifier further comprises plugs for respectively plugging openings at two axial ends of the heat exchange chamber;
two ends of each heat exchange tube are fixedly connected to the two plugs respectively, and the two ends of each heat exchange tube respectively pass through the corresponding plugs and are communicated with the exhaust inlet and the exhaust outlet respectively;
and the two ends of the first channel are respectively provided with a supporting piece which is supported between the outer sleeve and the heat exchange chamber.
2. An internal combustion engine, characterized in that:
the internal combustion engine comprising the fuel heat exchange gasifier of claim 1;
the air outlet is communicated with a fuel gas inlet of a combustion chamber of the internal combustion engine; an exhaust outlet of a combustion chamber of the internal combustion engine communicates with the exhaust inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375090.6A CN107061069B (en) | 2017-05-24 | 2017-05-24 | Fuel heat exchange gasifier and internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375090.6A CN107061069B (en) | 2017-05-24 | 2017-05-24 | Fuel heat exchange gasifier and internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107061069A CN107061069A (en) | 2017-08-18 |
| CN107061069B true CN107061069B (en) | 2024-01-19 |
Family
ID=59610739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710375090.6A Active CN107061069B (en) | 2017-05-24 | 2017-05-24 | Fuel heat exchange gasifier and internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061069B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116696528B (en) * | 2023-08-09 | 2023-11-17 | 潍柴动力股份有限公司 | Aftertreatment system, vehicle, and vehicle control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6186126B1 (en) * | 1999-07-19 | 2001-02-13 | The United States Of America As Represented By The Administrator Of The United States Environmental Protection Agency | Phase change heat engine |
| US6415775B1 (en) * | 2001-01-26 | 2002-07-09 | Hytec Fuel Delivery, Inc. | Preheat fuel delivery system |
| CN201318232Y (en) * | 2008-12-19 | 2009-09-30 | 梁海印 | Engine fuel carburetor |
| CN103527356A (en) * | 2013-04-28 | 2014-01-22 | 洛阳希诺能源科技有限公司 | Gasoline vaporizer |
| CN207161232U (en) * | 2017-05-24 | 2018-03-30 | 杨双喜 | Fuel oil heat exchange gasifier and internal combustion engine |
-
2017
- 2017-05-24 CN CN201710375090.6A patent/CN107061069B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6186126B1 (en) * | 1999-07-19 | 2001-02-13 | The United States Of America As Represented By The Administrator Of The United States Environmental Protection Agency | Phase change heat engine |
| US6415775B1 (en) * | 2001-01-26 | 2002-07-09 | Hytec Fuel Delivery, Inc. | Preheat fuel delivery system |
| CN201318232Y (en) * | 2008-12-19 | 2009-09-30 | 梁海印 | Engine fuel carburetor |
| CN103527356A (en) * | 2013-04-28 | 2014-01-22 | 洛阳希诺能源科技有限公司 | Gasoline vaporizer |
| CN207161232U (en) * | 2017-05-24 | 2018-03-30 | 杨双喜 | Fuel oil heat exchange gasifier and internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107061069A (en) | 2017-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2605164C2 (en) | Fuel nozzles unit and unit of combustion chamber | |
| US20140123632A1 (en) | Burner for exhaust purifying device | |
| CN110822474B (en) | Flame stabilizing structure of combustion chamber | |
| CN104136845B (en) | Emission-control equipment burner | |
| US9416705B2 (en) | Burner and filter renewal device | |
| US20150082777A1 (en) | Exhaust purification device burner | |
| US6916172B2 (en) | Burner apparatus | |
| CN104024734A (en) | Burner for exhaust gas purification devices | |
| CN107061069B (en) | Fuel heat exchange gasifier and internal combustion engine | |
| RU2755240C2 (en) | Burner for combustion chamber of gas turbine power plant, combustion chamber of gas turbine power plant containing such burner, and gas turbine power plant containing such combustion chamber | |
| CN111520216B (en) | Plug-in multistage mixing DPF burner | |
| JP6152417B2 (en) | Fuel injection system used in catalyst heaters and reactors for catalytic combustion of liquid fuel | |
| CN207161232U (en) | Fuel oil heat exchange gasifier and internal combustion engine | |
| US4066052A (en) | Exhaust recycling and carbon monoxide eliminator for combustion engines | |
| CN107795360A (en) | Igniter for diesel motor exhaust processing | |
| CN206555003U (en) | Igniter and low temperature heating device for diesel motor exhaust processing | |
| CN113864823B (en) | Turbine engine cyclic heating multistage combustion system | |
| CN2437976Y (en) | Side-wall gas burner | |
| RU99114069A (en) | METHOD OF WORK OF THE MULTI-FUEL INTERNAL COMBUSTION ENGINE, THE MULTI-FUEL INTERNAL COMBUSTION ENGINE | |
| CN110594729B (en) | Liquid fuel porous medium burner and using method | |
| CN219036629U (en) | Low-emission industrial natural gas burner | |
| RU39686U1 (en) | FUEL AIR BURNER OF THE COMBUSTION CHAMBER OF A GAS TURBINE ENGINE | |
| RU2395039C1 (en) | Front device of annular combustion chamber of gas-turbine engine | |
| JPH07318010A (en) | Vaporization combustion burner | |
| GB2100852A (en) | Fuel and air injectors for use in gas turbine engines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |