CN220119425U - Aluminum powder efficient combustion chamber based on two-stage cyclone air inlet - Google Patents
Aluminum powder efficient combustion chamber based on two-stage cyclone air inlet Download PDFInfo
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- CN220119425U CN220119425U CN202320215220.0U CN202320215220U CN220119425U CN 220119425 U CN220119425 U CN 220119425U CN 202320215220 U CN202320215220 U CN 202320215220U CN 220119425 U CN220119425 U CN 220119425U
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 135
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 94
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000007788 liquid Substances 0.000 claims description 64
- 239000000498 cooling water Substances 0.000 claims description 39
- 238000001816 cooling Methods 0.000 claims description 21
- 238000009692 water atomization Methods 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000000889 atomisation Methods 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 13
- 239000001257 hydrogen Substances 0.000 abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003546 flue gas Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The utility model provides an aluminum powder efficient combustion chamber based on two-stage rotational flow air inlet, which comprises: the combustion chamber comprises a combustion chamber body, wherein an ignition device and an aluminum powder inlet are arranged at one end of the combustion chamber body; a first water vapor inlet group which is arranged on the outer surface of one end of the combustion chamber body, which is close to the ignition device, in a surrounding way; a second water vapor inlet group circumferentially disposed on an outer surface of an end of the first water vapor inlet remote from the ignition device; the first water vapor inlet group and the second water vapor inlet group are used for simultaneously flowing water vapor into the combustion chamber body to form high-speed water vapor rotational flow. The utility model aims to promote aluminum water combustion reaction by utilizing high-speed rotating vapor airflow, improve aluminum powder combustion efficiency and obtain hydrogen-rich high-temperature flue gas.
Description
Technical Field
The utility model relates to the technical field of aluminum powder combustion, in particular to an aluminum powder efficient combustion chamber with controllable combustion temperature based on two-stage cyclone air inlet.
Background
The main products of the aluminum/water reaction are aluminum oxide particles and hydrogen, and the hydrogen can be introduced into a Stirling engine for further combustion, so that the energy density of the whole system is higher than that of the existing power systems for underwater vehicles, such as power batteries, diesel-liquid oxygen Stirling engines and the like.
Aluminum powder is a metal fuel with high volume energy density characteristic, can be widely applied to an underwater propulsion power system, but the aluminum powder and water are difficult to undergo severe chemical reaction at normal temperature, a high-temperature heat source is required to be externally input, an aluminum oxide layer is generally arranged on the surface of the aluminum powder to cover the surface of the aluminum powder, so that ignition and continuous combustion of the aluminum powder are prevented, an aluminum powder combustion chamber in the prior art is insufficient in aluminum water combustion, the aluminum water combustion efficiency is low, the progress of obtaining smoke is slow, and the underwater propulsion power system is not beneficial to application.
Disclosure of Invention
Aiming at the technical problems, the utility model aims to provide the aluminum powder high-efficiency combustion chamber based on the two-stage rotational flow air inlet, which utilizes the high-speed rotating steam airflow to promote the aluminum water combustion reaction, reduces the aluminum powder ignition difficulty, improves the aluminum powder combustion efficiency and obtains the hydrogen-rich high-temperature flue gas. Solves the technical problems of insufficient aluminum water combustion, lower aluminum water combustion efficiency and the like in the prior art.
In order to achieve the technical purpose, the technical scheme provided by the utility model is as follows:
the utility model provides an aluminum powder efficient combustion chamber based on two-stage rotational flow air inlet, which comprises the following components:
the combustion chamber comprises a combustion chamber body, wherein an ignition device and an aluminum powder inlet are arranged at one end of the combustion chamber body;
a first water vapor inlet group which is arranged on the outer surface of one end of the combustion chamber body, which is close to the ignition device, in a surrounding way;
a second water vapor inlet group circumferentially disposed on an outer surface of an end of the first water vapor inlet group remote from the ignition device;
the first water vapor inlet group and the second water vapor inlet group are used for simultaneously flowing water vapor into the combustion chamber body to form high-speed water vapor rotational flow.
The two-stage cyclone air inlet is adopted for the twice steam inlet group, steam is utilized to enter from a tangential angle, high-speed rotating air flow is formed in the combustion chamber, aluminum powder collides and rubs with each other in the moving process of the high-speed air flow, an aluminum oxide shell covered on the surface of the aluminum powder is gradually removed, the aluminum powder and the steam can be in direct contact, aluminum water reaction is continuously triggered, and the combustion efficiency of the aluminum powder is improved.
In some embodiments, the combustion chamber body is divided into a connection portion, a first pipe, and a second pipe, which are sequentially connected by a connection piece; the ignition device and the aluminum powder inlet are both arranged on the connecting part.
Specifically, the ignition device is a plasma igniter, and can generate flame with the temperature of more than 1300 ℃, so that aluminum powder can quickly reach the ignition temperature and burn in a steam atmosphere.
In some embodiments, the first water vapor inlet group is circumferentially disposed on the connection;
the second water vapor inlet group is arranged on the first pipeline in a surrounding mode.
In some embodiments, the number of the first steam inlets in the first steam inlet group is four, and the connecting part circumferential surface is uniformly distributed in a circumference;
the number of the second steam inlets in the second steam inlet group is four, and the first pipeline pipe surfaces are uniformly distributed on the circumference.
In some embodiments, the connection portion, the first pipeline and the second pipeline are all of a double-layer structure, so that the combustion chamber body is integrally divided into a combustion layer and a cooling layer.
In some embodiments, the first water vapor inlet group opens into the combustion layer through the cooling layer of the connection; the second water vapor inlet group penetrates through the cooling layer of the first pipeline and is led into the combustion layer.
Specifically, the steam input by the first steam inlet group forms a swirl turbulence in the combustion chamber, so that the aluminum powder and the steam are fully mixed and the aluminum oxide shell on the surface of the aluminum powder is continuously crushed, the combustion efficiency is improved, and the swirl effect can be improved by changing the diameter of the pipe and the tangential diameter. The steam input by the second steam inlet group can further perform combustion reaction with the incompletely combusted aluminum powder, so that the combustion efficiency is ensured, the temperature of the combustion chamber is reduced, the combustion chamber is protected, and the combustion and heat exchange effects can be improved by changing the diameter of the pipe, the inlet angle and other modes.
In some embodiments, a number of liquid cooling water inlets and liquid cooling water outlets are also included.
In some embodiments, the liquid cooling water inlet is disposed on the second conduit;
the liquid cooling water outlet is arranged on the connecting part and the first pipeline;
liquid cooling water flows into the cooling layer from the liquid cooling water inlet and flows out from the liquid cooling water outlet.
Specifically, after the aluminum water combustion reaction is carried out for a certain time, the temperature of the wall surface of the combustion chamber is increased, a certain amount of liquid cooling water enters from the liquid cooling water inlet and flows through the cooling layer and then flows out from the liquid cooling water outlet 5, so that the combustion chamber is protected from being burnt.
In some embodiments, a liquid water atomizing nozzle is arranged on the side of the second pipeline away from the first pipeline; the number of the liquid water atomization nozzles is four, and the liquid water atomization nozzles are circumferentially and uniformly distributed on the second pipeline; the liquefied water atomizing nozzle penetrates through the cooling layer and is led into the combustion layer.
In some embodiments, the liquid water atomization nozzle forms tiny liquid drops by utilizing the pressure swirl atomization principle, and the injection angle and the injection pressure are adjustable.
Specifically, the liquid water atomizing nozzle atomizes the liquid water into small liquid drops, so that the liquid water absorbs heat and evaporates rapidly, and the flue gas temperature is reduced. The nozzle is positioned at the outlet position of the combustion chamber, the spraying direction points to the central axis, and the cooling effect can be improved by adjusting various modes such as spraying pressure, spraying angle and the like.
Compared with the prior art, the aluminum powder efficient combustion chamber based on the two-stage cyclone air inlet has the following beneficial effects:
1. according to the aluminum powder efficient combustion chamber based on the two-stage cyclone air inlet, the two-stage cyclone air inlet is adopted, water vapor enters from a tangential angle, high-speed rotating air flow is formed in the combustion chamber, and the aluminum powder combustion efficiency is improved.
2. The aluminum powder efficient combustion chamber based on the two-stage rotational flow air inlet provided by the utility model adopts a sectional design, so that the structure is convenient to mount and dismount.
3. The aluminum powder high-efficiency combustion chamber based on the two-stage rotational flow air inlet provided by the utility model adopts a sectional cooling water jacket design, is convenient for local structure adjustment and replacement, and can ensure that the combustion chamber can run for a long time.
Drawings
The above features, technical features, advantages and implementation modes of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and understandable manner.
FIG. 1 is a semi-section structure diagram of an aluminum powder efficient combustion chamber based on two-stage cyclone air intake in an embodiment of the utility model;
fig. 2 is a schematic structural diagram of an aluminum powder efficient combustion chamber based on two-stage swirl air intake in the embodiment of the utility model;
fig. 3 is a schematic side structural view of an aluminum powder efficient combustion chamber based on two-stage swirl air intake in the embodiment of the utility model.
Reference numerals illustrate:
the plasma igniter 1, aluminum powder inlet 2, combustion chamber body 3, first vapor inlet group 4, liquid cooling water outlet 5, second vapor inlet group 6, liquid water atomizing nozzle 7, liquid cooling water inlet 8.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In one embodiment, referring to fig. 1 to 3 of the drawings in the specification, the utility model provides an aluminum powder efficient combustion chamber based on two-stage swirl air intake, which comprises: the combustion chamber comprises a combustion chamber body 3, wherein an ignition device and an aluminum powder inlet 2 are arranged at one end of the combustion chamber body 3; a first water vapor inlet group 4 circumferentially arranged on the outer surface of one end of the combustion chamber body 3 close to the ignition device; a second water vapor inlet group 6 circumferentially arranged on the outer surface of the end of the first water vapor inlet group 4 remote from the ignition device; the first water vapor inlet group 4 and the second water vapor inlet group 6 both simultaneously flow water vapor into the combustion chamber body 3 to form high-speed water vapor rotational flow.
In this embodiment, a certain amount of high-temperature vapor enters the combustion chamber body 3 through the first vapor inlet group 4 to form a high-speed swirling flow, and preheats the combustion chamber, when a certain amount of aluminum powder enters the combustion chamber body 3 through the aluminum powder inlet 2, the aluminum powder is heated and ignited by the ignition device, a severe aluminum water reaction occurs in the combustion chamber, and as the reaction continues, a certain amount of vapor is introduced into the combustion chamber body 3 through the second vapor inlet group 6, and continues to undergo a combustion reaction with the aluminum powder which is not completely combusted, and the temperature of the combustion chamber is reduced. The two-stage cyclone air inlet is adopted in the two-time steam inlet group, steam is utilized to enter from a tangential angle, high-speed rotating air flow is formed in the combustion chamber, aluminum powder collides and rubs with each other in the moving process of the high-speed air flow, an aluminum oxide shell covered on the surface of the aluminum powder is gradually removed, the aluminum powder and the steam can be in direct contact, the aluminum water reaction is continuously triggered, and the combustion efficiency of the aluminum powder is improved.
In other embodiments, the aluminum powder high-efficiency combustion chamber is a multi-stage rotational flow air inlet, a third water vapor inlet group is arranged at one end of the second water vapor inlet group 6 far away from the first water vapor inlet group 4, a certain amount of water vapor is sprayed into the first water vapor inlet group 4 to form high-speed rotational flow, and the combustion chamber is preheated; when a certain amount of aluminum powder enters the combustion chamber body 3 through the aluminum powder inlet 2, the aluminum powder is heated and ignited by the ignition device, a severe aluminum water reaction occurs in the combustion chamber, and as the reaction continues, a certain amount of water vapor is introduced into the combustion chamber body 3 through the second water vapor inlet group 6 and the third water vapor inlet group, compared with the embodiment, more aluminum powder can be combusted, and when the amount of aluminum powder required by the reaction is small, the second water vapor inlet group 6 or the third water vapor inlet group can be closed alternatively.
In one embodiment, referring to fig. 1 to 3 of the drawings in the specification, the aluminum powder efficient combustion chamber based on two-stage rotational flow air intake provided by the utility model is characterized in that a combustion chamber body 3 is divided into a connecting part, a first pipeline and a second pipeline, and the connecting part, the first pipeline and the second pipeline are sequentially connected through a connecting piece; the ignition device and the aluminum powder inlet 2 are arranged on the connecting part.
In the embodiment, the combustion chamber body 3 adopts a sectional design, so that the structure is convenient to mount and dismount, and the first pipeline and the second pipeline are connected through a circular table; the ignition device is a plasma igniter 1, and can generate flame with the temperature of more than 1300 ℃, so that aluminum powder can quickly reach the ignition temperature and burn in a water vapor atmosphere; the aluminum powder inlets 2 are uniformly distributed along the circumference with the diameter of 90mm in the middle of the connecting part by four pipes with the diameter of phi of 6 multiplied by 1mm, and convey the aluminum powder into the combustion chamber through air flow.
In one embodiment, referring to fig. 1 to 3 of the drawings in the specification, the utility model provides an aluminum powder efficient combustion chamber based on two-stage rotational flow air intake, wherein a first water vapor inlet group 4 is arranged on a connecting part in a surrounding way; the second water vapour inlet group 6 is arranged on the first pipe. The number of the first steam inlets in the first steam inlet group 4 is four, and the connecting part circumferences are uniformly distributed on the circumferences; the number of the second steam inlets in the first steam inlet group 4 is four, and the first pipeline pipe surfaces are uniformly distributed on the circumference.
In this embodiment, the first steam inlet group 4 is formed by uniformly distributing four pipes with phi 8×1mm on a section with diameter of 260mm of the combustion chamber, the tangential diameter is 90mm, and the distance between the tangential diameter and the aluminum powder inlet 2 is 25mm. The secondary steam inlet 6 is uniformly distributed on a section with the diameter of 140mm of the combustion chamber by four pipes with phi of 6 multiplied by 1mm, the tangential diameter is 30mm, and the distance between the secondary steam inlet 6 and the aluminum powder inlet 2 is 115mm.
In an embodiment, referring to fig. 1 to 3 of the drawings in the specification, the aluminum powder efficient combustion chamber based on two-stage rotational flow air intake provided by the utility model has a double-layer structure of a connecting part, a first pipeline and a second pipeline, so that the combustion chamber body 3 is integrally divided into a combustion layer and a cooling layer. The first water vapor inlet group 4 penetrates through the cooling layer of the connecting part and is led into the combustion layer; the second water vapor inlet group 6 passes through the cooling layer of the first pipeline and into the combustion layer.
In this embodiment, the steam input by the first steam inlet group 4 forms a swirl turbulence in the combustion chamber, so that the aluminum powder is fully mixed with the steam and the aluminum oxide shell on the surface of the aluminum powder is continuously crushed, the combustion efficiency is improved, and the swirl effect can be improved by changing the diameter of the pipe and the tangential diameter. The steam input by the second steam inlet group 6 can further perform combustion reaction with the incompletely combusted aluminum powder, so that the combustion efficiency is ensured, the temperature of the combustion chamber is reduced, the combustion chamber is protected, and the combustion and heat exchange effects can be improved by changing the diameter of the pipe, the inlet angle and other modes.
In an embodiment, referring to fig. 1 to 3 of the drawings in the specification, the aluminum powder efficient combustion chamber based on two-stage cyclone air intake provided by the utility model further comprises a plurality of liquid cooling water inlets 8 and liquid cooling water outlets 5. The liquid cooling water inlet 8 is arranged on the second pipeline; the liquid cooling water outlet 5 is arranged on the connecting part and the first pipeline; liquid cooling water flows into the cooling layer from the liquid cooling water inlet 8 and flows out from the liquid cooling water outlet 5.
In this embodiment, after the aluminum water combustion reaction is performed for a certain period of time, the temperature of the wall surface of the combustion chamber is raised, a certain amount of liquid cooling water enters from the liquid cooling water inlet 8, flows through the cooling layer, and flows out from the liquid cooling water outlet 5, so that the combustion chamber is protected from being burnt. The liquid cooling water outlet 5 can be used as a liquid cooling water inlet 8, and the liquid cooling water inlet 8 can also be used as the liquid cooling water outlet 5, so that the liquid cooling water outlet 5 can be applied to different use scenes.
In one embodiment, referring to fig. 1 and 2 of the drawings in the specification, the utility model provides an aluminum powder efficient combustion chamber based on two-stage rotational flow air intake, and a liquid water atomization nozzle 7 is arranged on one side of a second pipeline far away from a first pipeline; the number of the liquid water atomizing nozzles 7 is four, and the liquid water atomizing nozzles are circumferentially and uniformly distributed on the second pipeline; the liquid water atomizing nozzle 7 penetrates the cooling layer and opens into the combustion layer. The liquid water atomizing nozzle 7 forms tiny liquid drops by utilizing the pressure swirl atomizing principle, and the injection angle and the injection pressure are adjustable.
In this embodiment, the liquid water atomizing nozzle 7 atomizes the liquid water into small droplets, so that the liquid water absorbs heat and evaporates rapidly, and the flue gas temperature is reduced. The nozzle is positioned at the outlet position of the combustion chamber, the spraying direction points to the central axis, and the cooling effect can be improved by adjusting various modes such as spraying pressure, spraying angle and the like. Introducing a certain amount of water vapor into the combustion chamber body 3 through the second water vapor inlet group 6, continuously carrying out combustion reaction with aluminum powder which is not completely combusted, and reducing the temperature of the combustion chamber; meanwhile, a certain amount of liquid water forms small liquid drops through the liquid water atomizing nozzle 7 to enter the combustion chamber body 3 and rapidly absorb heat and evaporate, so as to perform phase change heat exchange. The finally formed alumina particles, hydrogen and the rest water vapor flow out from the outlet of the combustion chamber, and the temperature is controlled below 1000K.
Compared with the prior art, the utility model has at least the following beneficial effects:
according to the aluminum powder high-efficiency combustion chamber based on the two-stage cyclone air inlet, the two-stage cyclone air inlet is adopted, water vapor enters from a tangential angle, high-speed rotating air flow is formed in the combustion chamber, and the aluminum powder combustion efficiency is improved; the sectional design is adopted, so that the structure is convenient to mount and dismount; and the sectional cooling water jacket design is adopted, so that the local structure is convenient to adjust and replace, and the long-time operation of the combustion chamber can be ensured.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. An aluminum powder high-efficiency combustion chamber based on two-stage rotational flow air inlet is characterized by comprising:
the combustion chamber comprises a combustion chamber body, wherein an ignition device and an aluminum powder inlet are arranged at one end of the combustion chamber body;
a first water vapor inlet group which is arranged on the outer surface of one end of the combustion chamber body, which is close to the ignition device, in a surrounding way;
a second water vapor inlet group circumferentially disposed on an outer surface of an end of the first water vapor inlet group remote from the ignition device;
the first water vapor inlet group and the second water vapor inlet group are used for simultaneously flowing water vapor into the combustion chamber body to form high-speed water vapor rotational flow.
2. The aluminum powder high-efficiency combustion chamber based on two-stage swirl air intake according to claim 1, wherein,
the combustion chamber body is divided into a connecting part, a first pipeline and a second pipeline, and the connecting part, the first pipeline and the second pipeline are sequentially connected through a connecting piece;
the ignition device and the aluminum powder inlet are both arranged on the connecting part.
3. The aluminum powder high-efficiency combustion chamber based on two-stage swirl air intake according to claim 2, wherein,
the first water vapor inlet group is arranged on the connecting part in a surrounding way;
the second water vapor inlet group is arranged on the first pipeline in a surrounding mode.
4. The aluminum powder high-efficiency combustion chamber based on two-stage cyclone air inlet as claimed in claim 3, wherein,
the number of the first steam inlets in the first steam inlet group is four, and the connecting part circumferential surfaces are uniformly distributed in the circumference;
the number of the second steam inlets in the first steam inlet group is four, and the first pipeline pipe surfaces are uniformly distributed on the circumference.
5. The aluminum powder high-efficiency combustion chamber based on two-stage swirl air intake according to claim 4, wherein,
the connecting part, the first pipeline and the second pipeline are of double-layer structures, so that the whole combustion chamber body is divided into a combustion layer and a cooling layer.
6. The aluminum powder high-efficiency combustion chamber based on two-stage swirl air intake according to claim 5, wherein,
the first water vapor inlet group penetrates through the cooling layer of the connecting part and is led into the combustion layer;
the second water vapor inlet group penetrates through the cooling layer of the first pipeline and is led into the combustion layer.
7. The aluminum powder high-efficiency combustion chamber based on two-stage swirl air intake according to claim 6, wherein,
the cooling device also comprises a plurality of liquid cooling water inlets and liquid cooling water outlets, and the liquid cooling water inlets and the liquid cooling water outlets are used for introducing liquid cooling water into the cooling layer.
8. The aluminum powder high-efficiency combustion chamber based on two-stage swirl air intake according to claim 7, wherein,
the liquid cooling water inlet is arranged on the second pipeline;
the liquid cooling water outlet is arranged on the connecting part and the first pipeline;
liquid cooling water flows into the cooling layer from the liquid cooling water inlet and flows out from the liquid cooling water outlet.
9. The aluminum powder high-efficiency combustion chamber based on two-stage swirl air intake according to claim 8, wherein,
a liquid water atomizing nozzle is arranged at one side of the second pipeline far away from the first pipeline;
the number of the liquid water atomization nozzles is four, and the liquid water atomization nozzles are circumferentially and uniformly distributed on the second pipeline;
the liquefied water atomizing nozzle penetrates through the cooling layer and is led into the combustion layer.
10. The aluminum powder high-efficiency combustion chamber based on two-stage swirl air intake according to claim 9, wherein,
the liquid water atomization nozzle forms tiny liquid drops by utilizing the pressure swirl atomization principle, and the injection angle and the injection pressure are adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320215220.0U CN220119425U (en) | 2023-02-15 | 2023-02-15 | Aluminum powder efficient combustion chamber based on two-stage cyclone air inlet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320215220.0U CN220119425U (en) | 2023-02-15 | 2023-02-15 | Aluminum powder efficient combustion chamber based on two-stage cyclone air inlet |
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| CN220119425U true CN220119425U (en) | 2023-12-01 |
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| CN202320215220.0U Active CN220119425U (en) | 2023-02-15 | 2023-02-15 | Aluminum powder efficient combustion chamber based on two-stage cyclone air inlet |
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