CN112459925B - Built-in baffle type storage box - Google Patents
Built-in baffle type storage box Download PDFInfo
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- CN112459925B CN112459925B CN202011205956.7A CN202011205956A CN112459925B CN 112459925 B CN112459925 B CN 112459925B CN 202011205956 A CN202011205956 A CN 202011205956A CN 112459925 B CN112459925 B CN 112459925B
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- propellant
- ellipsoid
- storage tank
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- shaking
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a built-in partition plate type storage box, which comprises a front ellipsoid bottom, a cylindrical barrel section and a rear ellipsoid bottom, wherein the cylindrical barrel section is connected between the front ellipsoid bottom and the rear ellipsoid bottom to form the storage box; the storage tank is internally provided with an anti-shaking plate and a partition plate; the anti-shaking plate is an annular plate and is arranged on the inner wall of the cylindrical barrel section to prevent the propellant from shaking in a full box state; the partition plate is in a semicircular configuration, is connected with the anti-shaking plate close to the bottom of the rear ellipsoid in a threaded connection mode and is higher than the anti-shaking plate; the propellant flows to the bottom of the rear ellipsoid from the space above the clapboard, and liquid accumulation does not occur in front of the clapboard; when returning section aircraft flat flight little attack angle gesture, the suppression is shoved forward to the propellant to the baffle realization, and the propellant is accomodate in the baffle rear and is stored, prevents that the quality from rocking and bringing the barycenter and continuously changing. The storage tank can be suitable for the propellant type with any component at normal temperature or low temperature, and the single-layer partition plate structure can realize the storage and management functions of the residual propellant in the storage tank, thereby reducing the application of one-way valves in the tank body and reducing the design complexity of a pipeline system.
Description
Technical Field
The invention relates to a built-in clapboard type storage box, and belongs to the technical field of air vehicles which come and go from the sky to the earth.
Background
The air vehicles moving back and forth from the top to the bottom are in axisymmetric distribution, the ratio of the axial length to the radial dimension of the fuselage of the air vehicle is large, the ratio of the axial length to the radial dimension of the propellant storage tank is determined to be large, the axial displacement range of the residual propellant in the box body is large along with the increase of the consumption of the flight propellant, so that the residual propellant in the storage tank shakes violently, the integral mass center distribution of the air vehicle is influenced, the pneumatic advantage is not favorably exerted, and the control trim is not favorably realized.
The traditional carrier rocket mainly adopts a scheme of connecting large storage tanks in series/in parallel with small storage tanks to store and manage residual propellant, the diameter of a pipeline between boxes is small, the design of a connecting system is complex, and the application of small-diameter one-way valve assemblies is more.
Disclosure of Invention
The technical problem solved by the invention is as follows: the defects in the prior art are overcome, and the built-in clapboard type storage box is provided, so that the forward surge of the mass of the residual propellant can be inhibited in the return section of the aerospace vehicle, and the mass center axial position of the aircraft can be effectively controlled.
The technical scheme of the invention is as follows:
a built-in partition type storage box comprises a front ellipsoid bottom, a cylindrical barrel section and a rear ellipsoid bottom, wherein the cylindrical barrel section is connected between the front ellipsoid bottom and the rear ellipsoid bottom to form the storage box;
the storage tank is internally provided with an anti-shaking plate and a partition plate;
the anti-shaking plate is an annular plate and is arranged on the inner wall of the cylindrical barrel section to prevent the propellant from shaking in a full box state;
the partition board is in a partial spherical configuration and is connected with the anti-shaking plate close to the bottom of the rear ellipsoid in a screw connection mode, and the height of the partition board is higher than the width of the anti-shaking plate;
the propellant is filled through a filling pipeline at the bottom of the rear ellipsoid, the filling pipeline extends into the bottom of the rear ellipsoid and is connected with a section of conformal elbow, the volume of the air pillow is completely discharged when the propellant is filled, and no air cavity is generated behind the partition plate;
when the engine works, the air pillow at the top of the storage tank is pressurized, the propellant flows to the engine from the conveying pipeline at the bottom of the rear ellipsoid, and due to the partition plate, the propellant flows to the bottom of the rear ellipsoid from the space above the partition plate, so that liquid accumulation does not occur in front of the partition plate;
when returning section aircraft flat flight little attack angle gesture, the suppression is shoved forward to the propellant to the baffle realization, and the propellant is accomodate in the baffle rear and is stored, prevents that the quality from rocking and bringing the barycenter and continuously changing.
Further, the dimension ratio of the width W of the anti-sloshing plate to the diameter R of the storage tank is 0.06-0.08.
Further, the anti-sloshing plates are not equally spaced.
Furthermore, the storage tank partition plate is made of a metal material with the same specification as the bottom of the rear ellipsoid.
Furthermore, a delivery pipe is arranged at the center of the bottom of the ellipsoid behind the storage tank and used for delivering propellant to the engine.
Furthermore, a filling pipeline is additionally arranged at the bottom of the rear ellipsoid close to the lower bottom and is used for filling the propellant.
Furthermore, the bent pipe extends to the position 45-50mm from the bottom of the rear end of the baffle.
Compared with the prior art, the invention has the beneficial effects that:
(1) the storage tank can be suitable for the propellant type with any component at normal temperature or low temperature, and the single-layer partition plate structure can realize the storage and management functions of the residual propellant in the storage tank, thereby reducing the application of one-way valves in the tank body and reducing the design complexity of a pipeline system;
(2) the invention can realize the storage management of the residual propellant in the return section of the aircraft and prevent the adverse effect of the continuous change of the mass center caused by the mass shaking;
(3) the invention simplifies the design of the storage tank, and realizes the forward surge control function of the propellant under the condition of not using a one-way valve in the storage tank;
(4) the invention realizes the 'two-in-one' of the storage tanks, simplifies the series-parallel connection design of a plurality of storage tanks, reduces the complexity of the system and saves the layout space of the aircraft;
(5) the invention has the functions of filling in a vertical state and flying in a horizontal state to realize propellant supply.
Drawings
FIG. 1 is a schematic view of a storage tank with a built-in partition plate, wherein the storage tank comprises 1-a front ellipsoid bottom, 2-a cylindrical barrel section, 3-a rear ellipsoid bottom, 4-a partition plate, 5-a pressure increasing pipe, 6-an exhaust valve, 7-a filling pipeline, 8-a conveying pipe and 9-an anti-shaking plate.
Detailed Description
The invention is further illustrated by the following examples.
A built-in partition type storage tank is shown in figure 1 and comprises a front ellipsoid bottom, a cylindrical barrel section and a rear ellipsoid bottom, wherein the cylindrical barrel section is connected between the front ellipsoid bottom and the rear ellipsoid bottom to form the storage tank;
the storage tank is internally provided with an anti-shaking plate and a partition plate;
the anti-shaking plate is an annular plate and is arranged on the inner wall of the cylindrical barrel section to prevent the propellant from shaking in a full box state;
the partition board is in a partial spherical configuration and is connected with the anti-shaking plate close to the bottom of the rear ellipsoid in a screw connection mode, and the height of the partition board is higher than the width of the anti-shaking plate;
the propellant is filled through a filling pipeline at the bottom of the rear ellipsoid, the filling pipeline extends into the bottom of the rear ellipsoid and is connected with a section of conformal elbow, the volume of the air pillow is completely discharged when the propellant is filled, and no air cavity is generated behind the partition plate;
when the engine works, the air pillow at the top of the storage tank is pressurized, the propellant flows to the engine from the conveying pipeline at the bottom of the rear ellipsoid, and due to the partition plate, the propellant flows to the bottom of the rear ellipsoid from the space above the partition plate, so that liquid accumulation does not occur in front of the partition plate;
when returning section aircraft flat flight little attack angle gesture, the suppression is shoved forward to the propellant to the baffle realization, and the propellant is accomodate in the baffle rear and is stored, prevents that the quality from rocking and bringing the barycenter and continuously changing.
The propellant is filled through a siphon pipeline filled at the rear bottom of the storage tank, and meanwhile, the air pillow is discharged through an exhaust valve at the top of the storage tank, so that an air cavity cannot be generated.
During operation tank top gas pillow pressurization, propellant from the afterbody conveyer pipe outflow, propellant can not take place the hydrops phenomenon in the front of the baffle, also can realize the management of accomodating of surplus propellant, prevents that propellant from gushing forward.
The storage tank single-layer partition plate is made of a metal material with the same specification as the rear bottom and is connected with the anti-shaking plate in a threaded connection mode, the anti-shaking plate is welded to the annular inner wall of the storage tank, and the storage management of the residual propellant in the aircraft return section and the adverse effect of continuous change of the center of mass caused by shaking of the mass can be achieved functionally.
The single-layer partition plate is designed to be approximate to a semi-circular configuration, the radial dimension and height can be flexibly designed according to the shaking characteristic of the aircraft, and the single-layer partition plate can be suitable for different control requirements of the aircraft.
The center of the rear bottom of the storage tank is provided with a delivery pipe for delivering propellant to an engine, a filling pipeline is additionally arranged near the lower bottom of the rear bottom to realize the propellant filling function, the filling pipeline extends into the rear bottom end surface of the storage tank and is connected with a bent pipe along with the ellipsoidal shape characteristics of the section of the rear bottom of the storage tank, and the bent pipe properly extends to the position near the bottom of the rear end of the partition plate by about 50 mm.
The storage box can be suitable for the propellant type with any component at normal temperature or low temperature, and the single-layer partition plate structure can realize the storage and management functions of residual propellant in the storage box, so that the application of one-way valves in the box body is reduced, and the design complexity of a pipeline system is reduced.
The size ratio of the width W of the anti-sloshing plate to the diameter R of the storage tank is 0.06-0.08.
The anti-shaking plates are not equally spaced.
The bent pipe extends to the position 45-50mm from the bottom of the rear end of the baffle.
When the mass forward surge of the residual propellant can be inhibited in the return section of the aerospace craft, the device can effectively control the axial position of the mass center of the aerospace craft, is favorable for exerting the aerodynamic advantages of the aerospace craft and is favorable for realizing the control trim of the aerospace craft.
The invention can realize the storage management of the residual propellant in the return section of the aircraft and prevent the adverse effect of the continuous change of the mass center caused by the mass shaking.
The invention simplifies the design of the storage tank and realizes the forward surge control function of the propellant under the condition of not using a one-way valve in the storage tank.
The invention realizes the 'integration of two storage tanks' and simplifies the series-parallel connection design of a plurality of storage tanks, reduces the complexity of the system and saves the layout space of the aircraft.
The invention has the functions of filling in a vertical state and flying in a horizontal state to realize propellant supply.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Claims (7)
1. A built-in partition plate type storage box is characterized by comprising a front ellipsoid bottom, a cylindrical barrel section and a rear ellipsoid bottom, wherein the cylindrical barrel section is connected between the front ellipsoid bottom and the rear ellipsoid bottom to form the storage box;
the storage tank is internally provided with an anti-shaking plate and a partition plate;
the anti-shaking plate is an annular plate and is arranged on the inner wall of the cylindrical barrel section to prevent the propellant from shaking in a full box state;
the partition board is in a partial spherical configuration and is connected with the anti-shaking plate close to the bottom of the rear ellipsoid in a screw connection mode, and the height of the partition board is higher than the width of the anti-shaking plate;
the propellant is filled through a filling pipeline at the bottom of the rear ellipsoid, the filling pipeline extends into the bottom of the rear ellipsoid and is connected with a section of conformal elbow, the volume of the air pillow is completely discharged when the propellant is filled, and no air cavity is generated behind the partition plate;
when the engine works, the air pillow at the top of the storage tank is pressurized, the propellant flows to the engine from the conveying pipeline at the bottom of the rear ellipsoid, and due to the partition plate, the propellant flows to the bottom of the rear ellipsoid from the space above the partition plate, so that liquid accumulation does not occur in front of the partition plate;
when returning section aircraft flat flight little attack angle gesture, the suppression is shoved forward to the propellant to the baffle realization, and the propellant is accomodate in the baffle rear and is stored, prevents that the quality from rocking and bringing the barycenter and continuously changing.
2. The storage tank with built-in partitions as claimed in claim 1, wherein the dimension ratio of the width W of the slosh-proof plate to the diameter R of the storage tank is 0.06-0.08.
3. The storage tank with built-in partitions of claim 1, wherein the anti-sloshing plates are unequally spaced.
4. The storage tank with built-in partition as claimed in claim 1, wherein the storage tank partition is made of metal material with the same specification as the bottom of the rear ellipsoid.
5. The storage tank with built-in partition plates as claimed in claim 1, wherein a delivery pipe is provided at the center of the bottom of an ellipsoid at the rear of the storage tank to deliver propellant to the engine.
6. The storage tank with built-in partition of claim 1, wherein a filling pipeline is additionally arranged at the bottom of the rear ellipsoid close to the lower bottom part for filling the propellant.
7. The internal baffle type storage tank as claimed in claim 1, wherein the elbow extends to 45-50mm from the bottom of the rear end of the baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205956.7A CN112459925B (en) | 2020-11-02 | 2020-11-02 | Built-in baffle type storage box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205956.7A CN112459925B (en) | 2020-11-02 | 2020-11-02 | Built-in baffle type storage box |
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| CN112459925A CN112459925A (en) | 2021-03-09 |
| CN112459925B true CN112459925B (en) | 2022-03-04 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060171B (en) * | 2021-09-14 | 2023-04-07 | 航天科工火箭技术有限公司 | Rocket and rocket propellant sloshing inhibition method and device |
| CN115158678B (en) * | 2022-09-06 | 2022-12-27 | 北京凌空天行科技有限责任公司 | Aircraft liquid propellant storage tank |
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