CN112012849B - Vortex-proof collapse-proof structure and propellant storage tank with same - Google Patents
Vortex-proof collapse-proof structure and propellant storage tank with same Download PDFInfo
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- CN112012849B CN112012849B CN202011099941.7A CN202011099941A CN112012849B CN 112012849 B CN112012849 B CN 112012849B CN 202011099941 A CN202011099941 A CN 202011099941A CN 112012849 B CN112012849 B CN 112012849B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/42—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using liquid or gaseous propellants
- F02K9/60—Constructional parts; Details not otherwise provided for
- F02K9/605—Reservoirs
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Abstract
The invention provides a vortex-proof and anti-collapse structure and a propellant storage tank with the same, belonging to the technical field of rocket engine devices, wherein the vortex-proof and anti-collapse structure comprises: the tunnel tube adaptor is arranged on a central hole at the rear bottom of the propellant storage box; the anti-swirl plate is arranged above the plurality of outflow ports of the rear bottom, which are arranged around the central hole, and the anti-swirl plate is vertically provided with a plurality of pieces at intervals around the tunnel pipe adaptor; the anti-collapse plate is provided with a plurality of pieces which are arranged around the tunnel pipe adaptor and respectively connected between two adjacent anti-vortex plates; according to the vortex-proof and anti-collapse structure, the tunnel pipe adaptor is arranged on the central hole of the rear bottom of the storage box, and then the vortex-proof plate and the anti-collapse plate which are of the multi-piece structure or the multi-piece structure are arranged around the tunnel pipe adaptor, so that a plurality of outflow ports arranged around the central hole are vortex-proof and anti-collapse, and the use requirements of vortex-proof and anti-collapse of a novel storage box structure are met.
Description
Technical Field
The invention relates to the technical field of rocket engine devices, in particular to a vortex-proof and collapse-proof structure and a propellant storage tank with the same.
Background
During the flight of the carrier rocket storage tank, particularly after the engine is started for the second time after the gliding section of the rocket, the propellant (oxidant and combustion agent) in the storage tank flows into the engine through the outflow port, because of the friction between the liquid medium and the inner wall of the tank bottom, a boundary layer is formed for deceleration, and factors such as turbulence and shaking of liquid caused by an external interference source generated during the flight of the rocket can generate liquid level collapse and vortex phenomena near the outflow port of the propellant in the rocket storage tank. The liquid level tatting and the vortex can cause the pressure loss and air entrainment of the propellant flowing into the engine, so that the turbine pump of the engine can generate cavitation erosion, and the blades of the turbine pump are physically damaged or even fail to explode.
In the design process of the storage tank, an effective technical scheme for solving the problems of vortex and collapse of the outflow of the storage tank is to arrange a vortex-preventing and collapse-preventing structure above the outflow of the storage tank so as to relieve the problems of the vortex and the collapse of liquid in the tank and improve the outflow effect. The traditional anti-vortex anti-collapse structure is shown in figure 2, and an anti-collapse plate and an anti-vortex plate are arranged above an outflow opening. The traditional storage tank comprises two types, one type is a single outflow port structure with a large drift diameter, and an anti-vortex and anti-collapse device is arranged above the outflow port; the other type is provided with a plurality of outlets, and anti-vortex and anti-collapse devices are respectively arranged above different outlets. However, as the number N of the outlets of the storage tank is increased (N is greater than 4), the vortex anti-collapse device of the outlet is increased too much, which leads to the reduction of the structural efficiency, therefore, the traditional vortex anti-collapse structure is generally suitable for the storage tank structure with N outlets (N is greater than or equal to 1 and less than or equal to 4).
In recent years, with the development of commercial space, on the one hand, the carrier rocket has been from traditional disposable, develop to recoverable repetitious usage direction, on the other hand, for traditional rocket liquid oxygen kerosene, liquid hydrogen liquid oxygen driving system, commercial space flight liquid driving system generally adopts liquid oxygen methane driving system, synthesize above-mentioned two aspect reasons, novel recoverable rocket storage tank structure has taken place huge change relative to traditional rocket storage tank structure, in the face of new storage tank structural style, the structure of preventing collapsing of whirlpool has been unable to satisfy the operation requirement to the tradition, wait to design a new lightweight, integration, assemble convenient structure of preventing collapsing of whirlpool and satisfying the operation requirement of novel storage tank urgently.
Disclosure of Invention
Therefore, the invention aims to overcome the defect that the vortex collapse prevention structure in the prior art cannot be applied to the storage tank with a novel structure, and provides a novel vortex collapse prevention structure and a propellant storage tank with the same.
In order to solve the above technical problems, the present invention provides a vortex and collapse prevention structure, comprising:
the tunnel tube adaptor is arranged on a central hole at the rear bottom of the propellant storage box;
the anti-swirl plate is arranged above the plurality of outflow ports of the rear bottom, which are arranged around the central hole, and the anti-swirl plate is vertically provided with a plurality of pieces at intervals around the tunnel pipe adaptor;
and the anti-collapse plate is provided with a plurality of sections surrounding the tunnel pipe adaptor, and the plurality of sections of anti-collapse plates are respectively connected between the two adjacent anti-vortex plates.
Optionally, a filter is further disposed above the outflow port, and the filter is a multi-petal structure disposed around the tunnel tube adaptor.
Optionally, the filter is provided with a connection lug, and the anti-swirl plate is connected above the filter through the connection lug.
Optionally, the center of the filter has a center hole for passing through the tunnel pipe adaptor, and the bottom of the outer ring of the filter is provided with a plurality of first mounting holes adapted to be connected to the first connecting holes of the rear bottom.
Optionally, a second mounting hole is formed in the upper end of the central hole of the filter, a second flange is arranged on the tunnel pipe adaptor, and the second flange is suitable for being connected with the second mounting hole.
Optionally, a third flange is further disposed at the bottom end of the tunnel tube adaptor, and the third flange is adapted to be connected to the second connection hole of the rear bottom.
Optionally, the plate body of the anti-swirling plate is provided with a plurality of interference flow holes.
Optionally, the apertures of the turbulence holes have at least two different sizes, and the turbulence holes with different apertures are alternately arranged on the anti-swirl plate in a matrix manner in sequence.
Optionally, the spoiler hole includes: the hole diameter of the first turbulence hole is D1, and the hole diameter of the second turbulence hole is D2, wherein D1= D2 ~ 3D 2.
Optionally, the height of the anti-swirl plate is H1, and the depth of the rear bottom is H2, wherein H1= 0.2H 2-0.3H 2.
Optionally, anti-shaking plates distributed along the circumferential direction are connected above the anti-swirling plates.
Optionally, the horizontal width of the anti-sloshing plate is W, and the curvature radius of the rear bottom is R, wherein W =0.1 × R to 0.2 × R.
Optionally, the upper edge of the anti-swirl plate is provided with a first bending edge extending towards one side.
Optionally, the width of the section of the first bending edge extending into the anti-sloshing plate is greater than the width of other sections.
Optionally, a plurality of rib plates arranged at intervals are vertically arranged on the side wall of the tunnel pipe adaptor, and the rib plates are suitable for being connected with the anti-swirling plate.
Optionally, the anti-collapse plates of two adjacent petals are provided with second bending edges extending upwards or downwards on opposite side edges, and the second bending edges are suitable for being connected with the anti-collapse plates.
Optionally, the outer diameter of the anti-collapse plate is D3, and the diameter of an area where the outflow openings of the rear bottom are distributed is D4, wherein D3=1.5 × D4-2.5 × D4.
The present invention also provides a propellant tank comprising: the anti-vortex anti-collapse storage tank comprises a front bottom, a rear bottom and a common bottom arranged in the storage tank, wherein the rear bottom is provided with an anti-vortex anti-collapse structure in any one of the schemes;
a tunnel pipe is connected between the common bottom and the rear bottom, the bottom end of the tunnel pipe is connected with the rear bottom through a tunnel pipe adaptor, and a plurality of outflow ports are distributed on the rear bottom around the tunnel pipe adaptor.
The technical scheme of the invention has the following advantages:
1. the vortex-proof and anti-collapse structure provided by the invention has the advantages that the tunnel pipe adaptor is arranged on the central hole of the rear bottom of the storage box, and then the vortex-proof plate and the anti-collapse plate with the multi-piece structure or the multi-piece structure are arranged around the tunnel pipe adaptor, so that a plurality of outflow ports arranged around the central hole are vortex-proof and anti-collapse, and the use requirements of vortex-proof and anti-collapse of a novel storage box structure are met.
The utility model provides a prevent structure that collapses that whirlpool, applicable novel storage tank do: the common bottom is arranged in the storage tank, a first containing cavity formed between the front bottom and the common bottom of the storage tank can be used for containing an oxidant, a second containing cavity formed between the rear bottom and the common bottom of the storage tank can be used for containing fuel, and the tunnel pipe penetrates through the second containing cavity to be connected between the common bottom and the rear bottom, so that the oxidant contained in the first containing cavity can enter an engine through the tunnel pipe;
most of traditional storage tanks are of single tank structures, the storage tank filtering anti-vortex anti-collapse structures are generally installed at the rear bottom of the storage tank, a fuel tank and an oxidant tank are two mutually independent storage tanks and are connected through tank intervals, and no tunnel pipe structure is arranged in the center of each storage tank, so that the assembly space of the tank bottom is wide, the interference of parts is less, and the traditional anti-vortex anti-collapse structures can meet the design requirements. However, with the development of commercial aerospace at home and abroad, the reusable rocket becomes a new development trend of the carrier rocket, and the reusable rocket mostly adopts a multi-engine parallel design. For the storage tank design of the multi-engine parallel rocket, as shown in fig. 3 and 4, a tunnel pipe penetrates through the storage tank, N (N is more than or equal to 10) outflow ports (N is less than or equal to 4) are densely distributed at the rear bottom of the storage tank, and the novel storage tank structure cannot be applied by adopting a traditional vortex-proof anti-collapse structure.
2. According to the vortex-proof anti-collapse structure provided by the invention, the filter adopts a split structure and can enter and exit the storage tank through the storage tank manhole, so that the operation convenience of mounting and dismounting the filter is improved
3. The vortex-preventing and anti-collapse structure provided by the invention takes the tunnel pipe adaptor as an assembly center, realizes the integrated installation of the filter, the vortex-preventing plate, the anti-collapse plate and the anti-shaking plate, ensures that the structure is stable and the rigidity is good, can utilize the advantages of the integrated structure compared with the traditional discrete assembly, effectively reduces the weight of a structural member, and improves the structural efficiency by 15-30%; in addition, the tunnel pipe adaptor is machined and molded by a numerical control machine, the machining precision is high, the tunnel pipe adaptor is used as an assembly reference, the assembly precision can be improved, and the vortex-preventing and collapse-preventing effects after assembly are better.
4. According to the vortex-preventing and anti-collapse structure provided by the invention, the vortex-preventing plate is provided with the plurality of turbulent flow holes with different apertures, and the vortex-preventing effect can be enhanced through secondary disturbance.
5. The vortex-preventing anti-collapse structure provided by the invention is provided with the anti-sway plate, the first bending edge is arranged on the upper edge of the vortex-preventing plate, and the end part of the vortex-preventing plate is integrally connected with the anti-sway plate through the first bending edge, so that the rigidity of the end part of the vortex-preventing plate is enhanced.
6. The propellant storage tank provided by the invention has the advantages of any one of the above aspects because of the vortex-proof and collapse-proof structure of any one of the above aspects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a longitudinal cross-sectional perspective view of an embodiment of a swirl and collapse prevention structure in the rear sole region of a propellant tank.
FIG. 2 is a longitudinal cross-sectional perspective view of a swirl and collapse prevention structure in the rear sole region of a propellant tank prior to modification.
Figure 3 is a schematic diagram of the internal structure of one embodiment of a propellant tank.
Fig. 4 is a bottom view of fig. 3.
Fig. 5 is a perspective view of the tunnel tube adaptor.
Fig. 6 is a perspective view of the filter.
Fig. 7 is a perspective view of the collapse prevention plate.
Fig. 8 is an enlarged view of the area a in fig. 7.
FIG. 9 is a perspective view of a swirl prevention plate.
FIG. 10 is a perspective view of the assembly of the anti-swirl plate and anti-wobble plate.
Description of reference numerals:
1. a vortex preventing plate; 2. an anti-collapse plate; 3. a tunnel tube adaptor; 4. a filter; 5. an anti-sloshing plate; 6. a front bottom; 7. a rear bottom; 8. bottom sharing; 9. an outflow port; 10. a first accommodating chamber; 11. a second accommodating chamber; 12. a tunnel pipe;
101. a first folded edge; 102. a first baffle hole; 103. a second baffle hole;
201. second bending edges;
301. a rib plate; 302. a second flange; 303. a third flange;
401. connecting lugs; 402. a central bore; 403. a first mounting hole; 404. and a second mounting hole.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in FIG. 2, for the anti-vortex and anti-collapse structure of the propellant storage tank before improvement, a large-diameter single outflow opening 9 is arranged at the rear bottom 7 of the storage tank, a space capable of arranging anti-collapse plates 2 of a whole structure at intervals is arranged above the outflow opening 9, and the anti-collapse requirements of the liquid level of the propellant can be met by arranging the anti-collapse plates 2 of the whole structure; then a plurality of anti-swirl plates 1 are vertically arranged on the anti-collapse plate 2 at intervals, so that the anti-swirl requirement of the liquid level of the propellant can be met. However, the anti-vortex and anti-collapse structure cannot be applied to the improved propellant storage tank.
The present embodiment provides a specific implementation of a propellant tank, as shown in fig. 1 and 3, including: the fuel cell comprises a front bottom 6, a rear bottom 7 and a common bottom 8, wherein a first accommodating cavity 10 is formed between the front bottom 6 and the common bottom 8, a second accommodating cavity 11 is formed between the rear bottom 7 and the common bottom 8, an oxidant is accommodated in the first accommodating cavity 10, and a fuel is accommodated in the second accommodating cavity 11. A tunnel pipe 12 penetrates through the second accommodating cavity 11, the top end of the tunnel pipe 12 is connected with the common bottom 8 and communicated with the first accommodating cavity 10, the bottom end of the tunnel pipe 12 is connected with the rear bottom 7 through the tunnel pipe adaptor 3 and communicated to the outside, and therefore an oxidant in the first accommodating cavity 10 can be discharged outwards through the tunnel pipe 12 and enters the engine.
As shown in fig. 4, the rear bottom 7 is provided with a plurality of outlet openings 9 in the area surrounding the tunnel tube adaptor 3, and the fuel in the second receiving chamber 11 can be discharged through the outlet openings 9 into the engine.
As shown in fig. 1, a vortex anti-collapse structure is arranged above the outflow port 9, and the vortex anti-collapse structure comprises: prevent the board 1 and prevent the board 2 that collapses, prevent that the board 1 is in the top of egress opening 9 is around tunnel pipe adaptor 3 vertical interval is provided with the multi-disc, prevent collapsing board 2 has the bivalve that sets up around tunnel pipe adaptor 3, the bivalve prevent collapsing board 2 connect respectively between two adjacent the board 1 of preventing whirling.
As shown in fig. 1, a filter 4 is further disposed above the outflow port 9, and the filter 4 is a multi-petal structure disposed around the tunnel pipe adaptor 3.
As shown in fig. 6, the filter 4 has a structure of a frame + a filter net, wherein a filtering diameter of the filter net is set according to a medium for filtering liquid. The filter 4 is provided with a connecting lug 401, and the anti-swirl plate 1 is connected above the filter 4 through the connecting lug 401, and can be connected by a fastener. The center of the filter 4 has a center hole 402 for passing through the tunnel pipe adaptor 3, the bottom of the outer ring of the filter 4 is provided with a plurality of first mounting holes 403, and the first mounting holes 403 are adapted to be connected to the first connecting holes of the rear bottom 7. A second mounting hole 404 is formed in the upper end of the central hole 402 of the filter 4, a second flange 302 is formed on the tunnel pipe adaptor 3, and the second flange 302 is suitable for being connected with the second mounting hole 404, and may specifically be connected by a fastener.
As shown in fig. 5, a third flange 303 is further disposed at the bottom end of the tunnel tube adaptor 3, and the third flange 303 is adapted to be connected with the second connecting hole of the rear bottom 7, and may be connected by a fastening member.
As shown in fig. 9, the body of the anti-swirl plate 1 is provided with a plurality of disturbing holes, the diameter of each disturbing hole is at least two different sizes, and the disturbing holes with different diameters are alternately arranged on the anti-swirl plate 1 in a matrix manner. The spoiler hole includes: the baffle plate comprises a first turbulence hole 102 and a second turbulence hole 103, wherein the diameter of the first turbulence hole 102 is D1, the diameter of the second turbulence hole 103 is D2, and D1= D2-3 × D2. The height of the anti-swirl plate 1 is H1, the depth of the rear bottom 7 is H2, and H1= 0.2H 2-0.3H 2.
As shown in fig. 1, anti-sloshing plates 5 distributed along the circumferential direction are connected above the anti-swirl plate 1. The horizontal width of the anti-sloshing plate 5 is W, and the curvature radius of the rear bottom 7 is R, wherein W = 0.1-0.2R. The outer edge of the anti-shaking plate 5 is connected with the inner wall of the storage box in a welding mode, the anti-shaking plate 5 is provided with a plurality of pieces, and the anti-shaking plates 5 are connected through connecting angle pieces.
As shown in fig. 9 and 10, the upper edge of the swirl preventing plate 1 is provided with a first bending edge 101 extending towards one side. The first bending edge 101 stretches into the width of the section part in the anti-shaking plate 5 is larger than the width of other section parts, the first bending edge 101 of the anti-swirling plate 1 is used for enhancing the rigidity of the base body, and is integrally connected with the anti-shaking plate 5 through a variable cross-section structure, so that the rigidity of the end part of the partition plate is enhanced, and particularly, the first bending edge 101 of the anti-swirling plate 1 and the anti-shaking plate 5 can be connected through fasteners.
As shown in fig. 5, a plurality of rib plates 301 arranged at intervals are vertically arranged on the side wall of the tunnel tube adaptor 3, and the rib plates 301 are suitable for being connected with the swirl prevention plate 1, and may specifically be connected by welding.
As shown in fig. 7 and 8, on opposite side edges of two adjacent pieces of the anti-collapse plate 2, there are second bent edges 201 extending upward or downward, and the second bent edges 201 are adapted to be connected with the anti-collapse plate 1, and a welded connection may be used. The gap t between two adjacent second bent edges 201 is set according to the plate thickness of the swirl prevention plate 1. The outer diameter of the anti-collapse plate 2 is D3, the diameter of the area where the outflow openings 9 of the rear bottom 7 are distributed is D4, wherein D3=1.5 × D4-2.5 × D4. The inner diameter D5 of the anti-collapse plate 2 is more than or equal to the outer diameter of the tunnel tube adaptor 3, and specifically is 1-1.2 times of the outer diameter of the tunnel tube adaptor 3.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (17)
1. A vortex and collapse prevention structure is characterized by comprising:
the tunnel tube adaptor (3) is arranged on a central hole of a rear bottom (7) of the propellant storage box;
the vortex preventing plate (1) is arranged above a plurality of outflow ports (9) of the rear bottom (7) which are arranged around the central hole, and a plurality of vortex preventing plates (1) are vertically arranged around the tunnel pipe adaptor (3) at intervals;
the anti-collapse plate (2) is provided with a plurality of flaps arranged around the tunnel pipe adaptor (3), and the plurality of flaps of anti-collapse plate (2) are respectively connected between two adjacent anti-vortex plates (1);
the filter (4) is arranged above the outflow port (9), the filter (4) is of a multi-lobe structure arranged around the tunnel pipe adaptor (3), and the center of the filter (4) is provided with a center hole (402) used for penetrating through the tunnel pipe adaptor (3).
2. The structure of preventing vortex and collapse according to claim 1, characterized in that the filter (4) is provided with connecting lugs (401), and the vortex preventing plate (1) is connected above the filter (4) through the connecting lugs (401).
3. The structure of claim 1, wherein the bottom of the outer ring of the filter (4) is provided with a plurality of first mounting holes (403), and the first mounting holes (403) are suitable for being connected to the first connecting holes of the rear bottom (7).
4. The structure of claim 3, wherein the upper end of the central hole (402) of the filter (4) is provided with a second mounting hole (404), the tunnel pipe adaptor (3) is provided with a second flange (302), and the second flange (302) is suitable for being connected with the second mounting hole (404).
5. The structure of claim 4, wherein the bottom end of the tunnel pipe adaptor (3) is further provided with a third flange (303), and the third flange (303) is adapted to be connected with the second connecting hole of the rear bottom (7).
6. The structure of claim 1, wherein the body of the swirl prevention plate (1) is provided with interference flow holes.
7. The structure of preventing vortex and collapse according to claim 6, wherein the diameter of the turbulent flow holes is at least two different sizes, and the turbulent flow holes with different diameters are alternately arranged on the vortex preventing plate (1) in a matrix mode.
8. The structure of claim 7, wherein the turbulence holes comprise: the flow-dividing structure comprises a first flow-dividing hole (102) and a second flow-dividing hole (103), wherein the diameter of the first flow-dividing hole (102) is D1, the diameter of the second flow-dividing hole (103) is D2, and D1= D2-3 × D2.
9. The structure of claim 1, wherein the height of the anti-vortex plate (1) is H1, and the depth of the back bottom (7) is H2, wherein H1= 0.2H 2-0.3H 2.
10. The structure of claim 1, wherein the anti-sloshing plates (5) are circumferentially distributed above the anti-vortex plates (1).
11. The structure of claim 10, wherein the horizontal width of the anti-slosh plate (5) is W, and the radius of curvature of the rear bottom (7) is R, wherein W = 0.1R-0.2R.
12. The structure of claim 10, wherein the upper edge of the swirl plate (1) is provided with a first bending edge (101) extending towards one side.
13. The structure of claim 12, wherein the width of the section of the first bending edge (101) extending into the anti-sloshing plate (5) is larger than the width of the other sections.
14. The structure of preventing vortex and collapse according to any one of claims 1 to 13, wherein a plurality of ribs (301) are vertically arranged on the side wall of the tunnel pipe adaptor (3) at intervals, and the ribs (301) are suitable for being connected with the vortex preventing plate (1).
15. The structure of preventing vortex and collapse according to any one of claims 1 to 13, characterized in that the anti-collapse plates (2) of two adjacent lobes have second bent edges (201) extending upwards or downwards on opposite sides of the anti-collapse plates, and the second bent edges (201) are suitable for being connected with the anti-collapse plates (1).
16. The structure of any one of claims 1 to 13, wherein the outer diameter of the collapse prevention plate (2) is D3, and the diameter of the region of the rear bottom (7) where the outflow openings (9) are distributed is D4, wherein D3=1.5 × D4 — 2.5 × D4.
17. A propellant tank, comprising: a front bottom (6), a rear bottom (7) and a common bottom (8) arranged in the interior of the storage tank, wherein the rear bottom (7) is provided with the anti-vortex anti-collapse structure as claimed in any one of claims 1 to 16;
a tunnel pipe (12) is connected between the common bottom (8) and the rear bottom (7), the bottom end of the tunnel pipe (12) is connected with the rear bottom (7) through a tunnel pipe adaptor (3), and a plurality of outflow ports (9) are distributed on the rear bottom (7) around the tunnel pipe adaptor (3).
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| CN202011099941.7A CN112012849B (en) | 2020-10-15 | 2020-10-15 | Vortex-proof collapse-proof structure and propellant storage tank with same |
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| CN202011099941.7A CN112012849B (en) | 2020-10-15 | 2020-10-15 | Vortex-proof collapse-proof structure and propellant storage tank with same |
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| CN112012849B true CN112012849B (en) | 2021-03-16 |
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| CN114151232B (en) * | 2021-11-01 | 2022-12-27 | 北京宇航系统工程研究所 | Storage tank anti-shaking structure suitable for reusable rocket |
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| CN109911247A (en) * | 2019-03-13 | 2019-06-21 | 北京星际荣耀空间科技有限公司 | Rocket and its propellant tank |
| CN111102099A (en) * | 2019-11-18 | 2020-05-05 | 北京宇航系统工程研究所 | De-swirling anti-collapse filtering integrated device |
| CN111746826A (en) * | 2020-06-29 | 2020-10-09 | 南京航空航天大学 | Plate-type surface tension storage box based on temperature control propulsion |
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| CN112012849A (en) | 2020-12-01 |
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Address after: 100045 1-14-214, 2nd floor, 136 Xiwai street, Xicheng District, Beijing Applicant after: Beijing Star glory Space Technology Co.,Ltd. Applicant after: Beijing Star glory Technology Co.,Ltd. Applicant after: Beijing Star smart Manufacturing Technology Co.,Ltd. Address before: 329, floor 3, building 1, No. 9, Desheng South Street, Daxing Economic and Technological Development Zone, Beijing 100176 Applicant before: BEIJING XINGJIRONGYAO SPACE TECHNOLOGY Co.,Ltd. Applicant before: Beijing Star glory Technology Co.,Ltd. Applicant before: Beijing Star smart Manufacturing Technology Co.,Ltd. |
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Denomination of invention: Anti swirl and anti collapse structure and propellant storage tank with the same Effective date of registration: 20220309 Granted publication date: 20210316 Pledgee: Beijing finance Company limited by guarantee Pledgor: Beijing Star glory Space Technology Co.,Ltd.|Beijing Star glory Technology Co.,Ltd.|Beijing Star smart Manufacturing Technology Co.,Ltd. Registration number: Y2022990000137 |