CN110005558A - A kind of anti-carbon deposition fuel injection equipment (FIE) - Google Patents
A kind of anti-carbon deposition fuel injection equipment (FIE) Download PDFInfo
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- CN110005558A CN110005558A CN201910207389.XA CN201910207389A CN110005558A CN 110005558 A CN110005558 A CN 110005558A CN 201910207389 A CN201910207389 A CN 201910207389A CN 110005558 A CN110005558 A CN 110005558A
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- Prior art keywords
- oxidant
- oil
- pipe
- fuel
- nozzle
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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
- F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
- F02M53/04—Injectors with heating, cooling, or thermally-insulating means
- F02M53/043—Injectors with heating, cooling, or thermally-insulating means with cooling means other than air cooling
-
- 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
- F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
- F02M53/04—Injectors with heating, cooling, or thermally-insulating means
- F02M53/08—Injectors with heating, cooling, or thermally-insulating means with air cooling
-
- 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
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/04—Fuel-injectors combined or associated with other devices the devices being combustion-air intake or exhaust valves
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/06—Fuel-injection apparatus having means for preventing coking, e.g. of fuel injector discharge orifices or valve needles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles For Spraying Of Liquid Fuel (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a kind of anti-carbon deposition fuel injection equipment (FIE)s, comprising: fuel injection mechanism and oxidant injection equipment；Fuel injection mechanism includes oil pipe and fuel nozzle component；Oil pipe includes the oil inlet section far from combustor side setting and the jet segment close to combustor side setting；Nozzle-valve assembly is installed on end of the jet segment far from oil inlet section side；Followed by oil inlet section and temperature end and the fuel oil that ejects through nozzle-valve assembly, the oxidant and high-temperature flue gas ejected through oxidant injection equipment flows to combustion chamber after the mixing of the hybrid channel of mixing tube；Jet segment protrudes into hybrid channel；The side wall of jet segment is equipped with the channel for the cooling fluid that circulates.The present invention carries out heat exchange by cooling fluid and oil pipe, and then realize the cooling of the fuel oil of the fuel gallery of oil pipe, to reduce the generation of carbon distribution, and then reduce the carbon distribution of fuel gallery, fuel injection quantity is improved, fuel nozzle component is avoided to be blocked and influenced the working performance of engine by carbon distribution.
Description
Technical field
The present invention relates to the fuel injection equipment (FIE) technical field of engine, espespecially a kind of anti-carbon deposition fuel injection equipment (FIE).
Background technique
Fuel injection equipment (FIE) is widely used in the equipment such as internal combustion engine, gas turbine, Stirling engine and oil burning boiler
In, it is the kernel component of such thermal energy equipment, directly influences the performance and efficiency of equipment, if it is damaged, can be led when serious
It causes to shut down.In the equipment of the continuous burnings such as boiler, gas turbine and Stirling engine, in order to improve atomization quality, generally
Using pressure atomization fuel injection equipment (FIE), also known as centrifuging temperature injection apparatus.There is independent eddy flow inside this kind of injection apparatus
Body, fuel oil is by that can generate rotation, improvement atomization quality when tiny eddy flow slot on the outside of rotary fluid.
In Stirling engine, in order to reduce ignition temperature, realizes flameless combustion, use Gases Recirculation technology.
Injection is carried out to high-temperature flue gas by the high-speed jet of air inlet, the high-temperature flue gas after injection can oxygen nozzle front end with
Air inlet mixing, then enters combustion chamber together with air inlet.In this process, the front of centrifuging temperature injection apparatus has very
Long one section always in hot environment so that the temperature of fuel injection equipment (FIE) especially centrifuging temperature nozzle significantly on
It rises.On the one hand, high temperature decomposes the fuel oil inside runner, generates coking carbon deposit, blocks the tiny eddy flow slot on rotary fluid；Separately
On the one hand, in the outer surface of fuel injection equipment (FIE), imperfect combustion fuel oil can generate carbon deposit, blocking combustion under the action of high temperature
Oil jet.Therefore, the problem of those skilled in the art's fuel injection equipment (FIE) urgently to be resolved carbon distribution due to high temperature.
Summary of the invention
The object of the present invention is to provide a kind of anti-carbon deposition fuel injection equipment (FIE), cooling fluid and oil pipe carry out heat exchange, into
And realize the cooling of oil pipe, and then realize the cooling of the fuel gallery of oil pipe, the generation probability of carbon distribution is reduced, and then reduce fuel oil
The carbon distribution in channel, the performance and efficiency of guarantee fuel injection equipment (FIE) and engine, reduction fuel injection equipment (FIE) and engine
Damage, avoids its shutdown, improves the fuel injection quantity of fuel injection equipment (FIE), avoid fuel nozzle component blocked by carbon distribution and
Influence the working performance of engine.
Technical solution provided by the invention is as follows:
A kind of anti-carbon deposition fuel injection equipment (FIE), comprising:
Fuel injection mechanism and oxidant injection equipment；
The fuel injection mechanism includes oil pipe and fuel nozzle component；
The oil pipe includes the oil inlet section far from combustor side setting and the jet segment close to combustor side setting；Institute
It states nozzle-valve assembly and is installed on end of the jet segment far from oil inlet section side；
Followed by the oil inlet section and the temperature end and the fuel oil ejected through the nozzle-valve assembly, through the oxygen
The oxidant and high-temperature flue gas that agent injection equipment ejects flow to the burning after the mixing of the hybrid channel of mixing tube
Room；
The jet segment protrudes into the hybrid channel；
The side wall of the jet segment is equipped with the channel for the cooling fluid that circulates.
In the technical program, is flowed through by cooling fluid and the channel of the side wall of jet segment is set realizes the cold of jet segment
But；In practical applications, cooling fluid and oil pipe carry out heat exchange, and then realize the cooling of oil pipe, and then realize the combustion of oil pipe
The cooling in oily channel reduces the generation probability of carbon distribution, and then reduces the carbon distribution of fuel gallery, guarantees fuel injection equipment (FIE) and hair
The performance and efficiency of motivation reduce the damage of fuel injection equipment (FIE) and engine, avoid its shutdown, improve fuel injection equipment (FIE)
Fuel injection quantity avoids fuel nozzle component from being blocked and influenced the working performance of engine by carbon distribution；Simultaneously as high temperature
Flue gas is mixed with oxidant, fuel oil, and therefore, oxidant can absorb the heat of high-temperature flue gas, is improved the intake air temperature of oxidant, is made
The density for obtaining oxidant reduces, and flow velocity improves, and then generates better injection effect, improves the burning quality of combustion chamber.
It is further preferred that the fuel nozzle component includes plug, rotary fluid and fuel nozzle；The fuel nozzle with
The oil pipe coaxial is arranged and is connected to；The plug and the rotary fluid are located in the inner space of the fuel nozzle.
In the technical program, in practical applications, fuel nozzle component can be the preferable centrifuging temperature spray of atomization quality
Nozzle assembly can also be the poor non-centrifuging temperature nozzle assembly of atomization quality；It can specifically be configured according to actual needs.
It is further preferred that further including oil head junctor, the oil head junctor and the oil pipe coaxial are arranged；The oil head connects
One end of body is connect with the oil pipe, and the other end of the oil head junctor is connect with the fuel nozzle.
In the technical program, the harmony and applicability that fuel nozzle is connect with oil pipe are improved by oil head junctor.
It is further preferred that the oil head junctor and the fuel nozzle detachable connection.
In the technical program, replaceable same type of fuel nozzle component as needed or different types of fuel oil
Nozzle assembly reduces the maintenance cost and use cost of engine；And improve the harmony of engine Yu fuel nozzle component.
It is further preferred that the oxidant injection equipment includes the first oxidant pipe, the second oxidant pipe and oxidant
Nozzle；First oxidant pipe is sheathed on the outside of the oil pipe；Second oxidant pipe is sheathed on first oxidation
The outside of agent pipe, and first oxidant pipe and second oxidant pipe form oxidant pressure stabilizing chamber；The oxidant spray
Muzzle is set to the outside of the oil pipe and docks respectively with first oxidant pipe and second oxidant pipe；The oxidation
One end of agent nozzle is connected to the oxidant pressure stabilizing chamber；The other end of the oxidant nozzle is connected to the hybrid channel.
In the technical program, oxidant injection equipment jeting effect is good, ensure that oxidant by oxidant pressure stabilizing chamber
The stability and efficiency of injection.
It is further preferred that the contact position of the oxidant nozzle and first oxidant pipe is equipped with male-female engagement knot
Structure；And/or the oxidant nozzle and the contact position of second oxidant pipe are equipped with concave-convex fit structure.
In the technical program, concave-convex fit structure improves all parts (oxidant nozzle and the first oxidant pipe, oxidation
Agent nozzle and the second oxidant pipe) between contraposition, alignment, convenient for assembling of the invention, improve its packaging efficiency.
It is further preferred that first oxidant pipe close to oil inlet section side lateral wall along the oil pipe diameter
Step surface is convexed to form to direction；Second oxidant pipe is connected to the step close to the end face of oil inlet section side
Face.
In the technical program, the fixation of the second oxidant pipe is realized by the first oxidant pipe and oxidant nozzle, is improved
Structural compactness of the invention.
It is further preferred that the channel extends into the oil inlet section by the jet segment.
In the technical program, the heat exchange amount between cooling fluid and high-temperature flue gas is can be improved in the extension in channel, improves oil
The temperature slippage of pipe, reduces the temperature of oil pipe, and then avoids the generation of carbon distribution.
It is further preferred that the cooling fluid contains the oxidant, the channel and the oxidant injection equipment
Connection, so that the cooling fluid flows to the hybrid channel.
In the technical program, when cooling fluid contains oxidant, cooling fluid can also pass through combustion chamber and burn, from
And the waste of oxidant is avoided, the utilization rate and recycling of oxidant are improved, use cost of the invention is reduced.
It is further preferred that radial direction successively arranged for interval of the channel along the oil pipe；The channel and/or
For the helical duct of the side wall of oil pipe described in winding.
In the technical program, the multilayer setting and/or spiral setting in channel improve the contact surface of cooling fluid and oil pipe
Product, and then the heat exchange amount between cooling fluid and high-temperature flue gas is improved, the temperature slippage of oil pipe is improved, the temperature of oil pipe is reduced
Degree, and then avoid the generation of carbon distribution.
A kind of anti-carbon deposition fuel injection equipment (FIE) provided by the invention, can bring it is following at least one the utility model has the advantages that
1, it in the present invention, is flowed through by cooling fluid and the channel of the side wall of jet segment is set realizes the cold of jet segment
But；In practical applications, cooling fluid and oil pipe carry out heat exchange, and then realize the cooling of oil pipe, and then realize the combustion of oil pipe
The cooling in oily channel reduces the generation probability of carbon distribution, and then reduces the carbon distribution of fuel gallery, guarantees fuel injection equipment (FIE) and hair
The performance and efficiency of motivation reduce the damage of fuel injection equipment (FIE) and engine, avoid its shutdown, improve fuel injection equipment (FIE)
Fuel injection quantity avoids fuel nozzle component from being blocked and influenced the working performance of engine by carbon distribution；Simultaneously as high temperature
Flue gas is mixed with oxidant, fuel oil, and therefore, oxidant can absorb the heat of high-temperature flue gas, is improved the intake air temperature of oxidant, is made
The density for obtaining oxidant reduces, and flow velocity improves, and then generates better injection effect, improves the burning quality of combustion chamber.It is more excellent
, the present invention is not necessarily to change the overall structure of existing fuel injection equipment (FIE), need to only change the structure (setting channel) of oil pipe, be easy to
It realizes and structure is simple.
2, in the present invention, when cooling fluid contains oxidant, cooling fluid can also pass through combustion chamber and burn, thus
The waste for avoiding oxidant improves the utilization rate and recycling of oxidant, reduces use cost of the invention.More preferably, channel
Multilayer setting and/or spiral setting, improve the contact area of cooling fluid and oil pipe, and then improve cooling fluid and high temperature cigarette
Heat exchange amount between gas improves the temperature slippage of oil pipe, reduces the temperature of oil pipe, and then avoids the generation of carbon distribution.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to anti-carbon deposition fuel injection equipment (FIE)
Above-mentioned characteristic, technical characteristic, advantage and its implementation be further described.
Fig. 1 is a kind of embodiment the schematic diagram of the section structure of the invention.
Drawing reference numeral explanation:
100. oil pipe, 101. fuel galleries, 102. helical ducts, 110. oxidant injection equipments, 111. first oxidants
Pipe, 1111. step surfaces, 112. second oxidant pipes, 113. oxidant nozzles, 114. oxidant pressure stabilizing chambers, the spray of 115. oxidants
Mouthful, 120. mixing tubes, 121. hybrid channels, 130. oil head junctors, 140. centrifuging temperature nozzle assemblies, 141. plugs, 142.
Rotary fluid, 143. fuel nozzles, 144. fuel jets；
201~207. intake flow directions；
301. high-temperature flue gas flow directions；
401~402. fuel flow directions.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, Detailed description of the invention will be compareed below
A specific embodiment of the invention.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, and obtain other embodiments.
To make simplified form, part related to the present invention is only schematically shown in each figure, their not generations
Its practical structures as product of table.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
Component, only symbolically depict one of those, or only marked one of those.Herein, "one" not only table
Show " only this ", can also indicate the situation of " more than one ".Herein, it should be noted that unless otherwise specific
Regulation and restriction, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to
It is detachably connected, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also lead to
It crosses intermediary to be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be with
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In example 1, as shown in Figure 1, a kind of anti-carbon deposition fuel injection equipment (FIE), comprising: fuel injection mechanism and oxidation
Agent injection equipment 110；Fuel injection mechanism includes oil pipe 100 and fuel nozzle component；Oil pipe 100 includes far from combustor side
The oil inlet section of setting and the jet segment being arranged close to combustor side；Nozzle-valve assembly is installed on jet segment far from oil inlet section side
End；Followed by oil inlet section and temperature end and the fuel oil that is ejected through nozzle-valve assembly, sprayed through oxidant injection equipment 110
The oxidant and high-temperature flue gas of injection flow to combustion chamber after the hybrid channel of mixing tube 120 121 mixes；Jet segment protrudes into
Hybrid channel 121；The side wall of jet segment is equipped with the channel for the cooling fluid that circulates.The present invention flows through setting by cooling fluid
The cooling of jet segment is realized in the channel of the side wall of jet segment；In practical applications, cooling fluid and oil pipe 100 carry out hot friendship
It changes, and then realizes the cooling of oil pipe 100, and then realize the cooling of the fuel gallery 101 of oil pipe 100, so that it is logical to be implemented in fuel oil
The cooling for the fuel oil that road 101 circulates reduces the generation probability of carbon distribution, and then reduces the carbon distribution of fuel gallery 101, guarantees fuel oil spray
The performance and efficiency of injection device and engine reduce the damage of fuel injection equipment (FIE) and engine, avoid its shutdown, improve combustion
The fuel injection quantity of oil spurts device avoids fuel nozzle component from being blocked and influenced the working performance of engine by carbon distribution；
Simultaneously as high-temperature flue gas is mixed with oxidant, fuel oil, therefore, oxidant can absorb the heat of high-temperature flue gas, improves oxidant
Intake air temperature so that the density of oxidant reduces, flow velocity is improved, and then generates better injection effect, improves combustion chamber
Burning quality.
In example 2, as shown in Figure 1, on the basis of example 1, fuel nozzle component is centrifuging temperature spray
Nozzle assembly 140, including plug 141, rotary fluid 142 and fuel nozzle 143；Fuel nozzle 143 and oil pipe 100 are coaxially disposed and connect
It is logical；Plug 141 and rotary fluid 142 are located in the inner space of fuel nozzle 143.Preferably, fuel nozzle component further includes oil
Head junctor 130, oil head junctor 130 and oil pipe 100 are coaxially disposed；One end of oil head junctor 130 is connect with oil pipe 100, and oil head connects
The other end of body 130 is connect with fuel nozzle 143.It is worth noting that fuel nozzle component can for atomization quality preferably from
Core type fuel nozzle component 140 can also be the poor non-centrifuging temperature nozzle assembly of atomization quality；It specifically can be according to practical need
It is configured.Preferably, fuel nozzle component further includes oil head junctor 130, and oil head junctor 130 and oil pipe 100 are coaxially disposed；
One end of oil head junctor 130 is connect with oil pipe 100, and the other end of oil head junctor 130 is connect with fuel nozzle 143.Preferably, oily
Head junctor 130 and 143 detachable connection of fuel nozzle.Specifically, oil head junctor 130 and fuel nozzle 143 can be by being spirally connected
Or screw bolt and nut or the modes such as clamping or grafting carry out detachable connection.Certainly, oil head junctor 130 and fuel nozzle 143
It can also be fixedly connected；Fuel nozzle 143 can also be directly fixedly connected with oil pipe 100 or detachable connection.Preferably, fuel oil sprays
Fuel jet 144 on mouth 143 is set on the axis of oil pipe 100.
In the third embodiment, as shown in Figure 1, on the basis of embodiment one or two, oxidant injection equipment 110 includes the
One oxidant pipe 111, the second oxidant pipe 112 and oxidant nozzle 113；First oxidant pipe 111 is sheathed on the outer of oil pipe 100
Side；Second oxidant pipe 112 is sheathed on the outside of the first oxidant pipe 111, and the first oxidant pipe 111 and the second oxidant pipe
112 form oxidant pressure stabilizing chamber 114；Oxidant nozzle 113 be sheathed on the outside of oil pipe 100 and respectively with the first oxidant pipe
111 and second oxidant pipe 112 dock；One end of oxidant nozzle 113 is connected to oxidant pressure stabilizing chamber 114；Oxidant nozzle
113 other end is connected to hybrid channel 121.Oxidant nozzle 113 and the contact position of the first oxidant pipe 111 are matched equipped with bumps
Close structure.Preferably, the contact position of oxidant nozzle 113 and the second oxidant pipe 112 is equipped with concave-convex fit structure.Preferably,
Lateral wall of first oxidant pipe 111 close to oil inlet section side convexes to form step surface 1111 along the radial direction of oil pipe 100；The
Dioxy agent pipe 112 is connected to step surface 1111 close to the end face of oil inlet section side.Preferably, oxidant pressure stabilizing chamber 114 can be by
The lateral wall of first oxidant pipe 111, the inner sidewall of the second oxidant pipe 112 and oxidant nozzle 113 enclose jointly and set to be formed.
And oxidant pressure stabilizing chamber 114 can be partially made of the first oxidant pipe 111, another part is made of oxidant nozzle 113.And
Oxidant pressure stabilizing chamber 114 can radially be convexed to form outwardly by the second oxidant pipe 112；It can also be by the first oxidant pipe
111 are radially recessed inwardly.Preferably, oxidant nozzle 113 is equipped with staged oxidant spout 115, wherein oxygen
The miner diameter end of agent spout 115 is arranged close to combustor side.Preferably, oxidant spout 115 is close to the end of combustor side
Face and mixing tube 120 are arranged far from the end face of combustor side.Preferably, hybrid channel 121 is close to oxidant spout 115
Side is horn-like structure, and the bigger diameter end of hybrid channel 121 is arranged close to 115 side of oxidant spout.
In example IV, as shown in Figure 1, channel is winding oil pipe 100 on the basis of embodiment one, two or three
The helical duct 102 of side wall.Preferably, channel extends into oil inlet section by jet segment.Preferably, radial direction of the channel along oil pipe 100
Direction successively arranged for interval.It is worth noting that channel can also extend along 100 axis direction of oil pipe the linear type channel to be formed,
Netted channel or bend.When channel be helical duct 102 when, channel by jet segment along oil pipe 100 axis direction around oil pipe 100
Side wall spiral to oil inlet section.When channel is along the multiple row setting that the radial direction of oil pipe 100 is arranged, two column being disposed adjacent are logical
Road connection increases the heat of cooling fluid and 100 side wall of oil pipe to increase the contact area of cooling fluid Yu 100 side wall of oil pipe
Exchange capacity.Preferably, cooling fluid contains oxidant, and channel is connected to oxidant injection equipment 110, so that cooling fluid flows to
Hybrid channel 121.Preferably, channel is connected to oxidant pressure stabilizing chamber 114.That is the side wall of the first oxidant pipe 111 is provided with connection
The through-hole in channel and oxidant pressure stabilizing chamber 114.Preferably, the first oxidant pipe 111 and/or the second oxidant pipe 112 and oil
Pipe 100 is provided with the channel for cooling circulation of circulating.Preferably, the end of channel and oxidant pressure stabilizing chamber 114 far from burning side
Portion's connection.Such as when oxidant is oxygen or air, cooling fluid can also be oxygen or air.When cooling fluid is oxygen,
Cooling fluid can be by oxygen storage tank introduction passage；When cooling fluid be air when, cooling fluid can by blower or other draw
Jet device is by atmospheric environment introduction passage.In practical applications, cooling fluid can be remote by flowing to close to the end of combustor side
End circulation from combustor side；Certainly, cooling fluid can be flowed to by the end far from combustor side close to combustion chamber one
It circulates the end of side.When cooling fluid is free of oxidant, at this point, preferred one circulatory system of self-contained of cooling fluid, and portion flows to
Hybrid channel 121；As cooling fluid be engine coolant liquid when, then cooling fluid can be coolant circulation system a branch
Road is recycled with realizing.Certainly, cooling fluid can also be a new cooling recirculation system of engine to realize cooling stream
Body recycles.It is worth noting that cooling fluid be temperature lower than high-temperature flue gas and can be used for reducing by 100 temperature of oil pipe
Fluid, such as gas or liquid.
It should be noted that above-described embodiment can be freely combined as needed.The above is only of the invention preferred
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (10)
1. a kind of anti-carbon deposition fuel injection equipment (FIE) characterized by comprising
Fuel injection mechanism and oxidant injection equipment；
The fuel injection mechanism includes oil pipe and fuel nozzle component；
The oil pipe includes the oil inlet section far from combustor side setting and the jet segment close to combustor side setting；The spray
Nozzle component is installed on end of the jet segment far from oil inlet section side；
Followed by the oil inlet section and the temperature end and the fuel oil ejected through the nozzle-valve assembly, through the oxidant
The oxidant and high-temperature flue gas that injection equipment ejects flow to the combustion chamber after the mixing of the hybrid channel of mixing tube；
The jet segment protrudes into the hybrid channel；
The side wall of the jet segment is equipped with the channel for the cooling fluid that circulates.
2. anti-carbon deposition fuel injection equipment (FIE) according to claim 1, it is characterised in that:
The fuel nozzle component includes plug, rotary fluid and fuel nozzle；
The fuel nozzle is arranged and is connected to the oil pipe coaxial；
The plug and the rotary fluid are located in the inner space of the fuel nozzle.
3. anti-carbon deposition fuel injection equipment (FIE) according to claim 2, which is characterized in that further include:
Oil head junctor, the oil head junctor and the oil pipe coaxial are arranged；
One end of the oil head junctor is connect with the oil pipe, and the other end of the oil head junctor is connect with the fuel nozzle.
4. anti-carbon deposition fuel injection equipment (FIE) according to claim 3, it is characterised in that:
The oil head junctor and the fuel nozzle detachable connection.
5. anti-carbon deposition fuel injection equipment (FIE) according to claim 1, it is characterised in that:
The oxidant injection equipment includes the first oxidant pipe, the second oxidant pipe and oxidant nozzle；
First oxidant pipe is sheathed on the outside of the oil pipe；
Second oxidant pipe is sheathed on the outside of first oxidant pipe, and first oxidant pipe and described second
Oxidant pipe forms oxidant pressure stabilizing chamber；
The oxidant nozzle cage is set to the outside of the oil pipe and aoxidizes respectively with first oxidant pipe and described second
The docking of agent pipe；
One end of the oxidant nozzle is connected to the oxidant pressure stabilizing chamber；The other end of the oxidant nozzle is mixed with described
Close channel connection.
6. anti-carbon deposition fuel injection equipment (FIE) according to claim 5, it is characterised in that:
The contact position of the oxidant nozzle and first oxidant pipe is equipped with concave-convex fit structure；And/or
The contact position of the oxidant nozzle and second oxidant pipe is equipped with concave-convex fit structure.
7. anti-carbon deposition fuel injection equipment (FIE) according to claim 5, it is characterised in that:
Lateral wall of first oxidant pipe close to oil inlet section side convexes to form platform along the radial direction of the oil pipe
Terrace；
Second oxidant pipe is connected to the step surface close to the end face of oil inlet section side.
8. anti-carbon deposition fuel injection equipment (FIE) described in -7 any one according to claim 1, it is characterised in that:
The channel extends into the oil inlet section by the jet segment.
9. anti-carbon deposition fuel injection equipment (FIE) described in -7 any one according to claim 1, it is characterised in that:
The cooling fluid contains the oxidant, and the channel is connected to the oxidant injection equipment, so that the cooling
Fluid flows to the hybrid channel.
10. anti-carbon deposition fuel injection equipment (FIE) described in -7 any one according to claim 1, it is characterised in that:
Radial direction successively arranged for interval of the channel along the oil pipe；And/or
The channel is the helical duct of the side wall of oil pipe described in winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910207389.XA CN110005558B (en) | 2019-03-19 | 2019-03-19 | Carbon deposition prevention fuel injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910207389.XA CN110005558B (en) | 2019-03-19 | 2019-03-19 | Carbon deposition prevention fuel injection device |
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| Publication Number | Publication Date |
|---|---|
| CN110005558A true CN110005558A (en) | 2019-07-12 |
| CN110005558B CN110005558B (en) | 2022-06-07 |
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| CN201910207389.XA Active CN110005558B (en) | 2019-03-19 | 2019-03-19 | Carbon deposition prevention fuel injection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700961A (en) * | 2019-10-11 | 2020-01-17 | 上海齐耀动力技术有限公司 | Closed Stirling engine underwater power process and system based on aluminum powder combustion |
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| CN110700961B (en) * | 2019-10-11 | 2023-08-29 | 上海齐耀动力技术有限公司 | Closed Stirling engine underwater power process and system based on aluminum powder combustion |
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