CN116045110B - Oxygen self-generating pressurizing pipeline adapter, pressurizing system and production method of adapter - Google Patents
Oxygen self-generating pressurizing pipeline adapter, pressurizing system and production method of adapter Download PDFInfo
- Publication number
- CN116045110B CN116045110B CN202211713799.XA CN202211713799A CN116045110B CN 116045110 B CN116045110 B CN 116045110B CN 202211713799 A CN202211713799 A CN 202211713799A CN 116045110 B CN116045110 B CN 116045110B
- Authority
- CN
- China
- Prior art keywords
- oxygen
- adapter
- pressurizing
- flange
- generating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 204
- 239000001301 oxygen Substances 0.000 title claims abstract description 204
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 204
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 15
- 239000000945 filler Substances 0.000 claims description 56
- 238000003466 welding Methods 0.000 claims description 45
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 38
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 229910052786 argon Inorganic materials 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- 238000005554 pickling Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
- F16L43/001—Bends; Siphons made of metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
- B23K31/027—Making tubes with soldering or welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
- F16L43/02—Bends; Siphons adapted to make use of special securing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/40—Arrangements or adaptations of propulsion systems
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2201/00—Special arrangements for pipe couplings
- F16L2201/40—Special arrangements for pipe couplings for special environments
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The embodiment of the invention provides an oxygen self-generating pressurizing pipeline adapter, a pressurizing system and a production method of the adapter, wherein the oxygen self-generating pressurizing pipeline adapter is used for adapting between an oxygen self-generating pressurizing pipeline and an oxygen box interface and comprises an adapter main shell, a top cap, an oxygen box interface flange and an oxygen pressurizing pipeline interface flange; the adapter main shell comprises a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are both cylindrical, and the second connecting part is perpendicular to the first connecting part and is communicated with the first connecting part; one end of the first connecting part is fixedly connected with the oxygen box interface flange, and the other end of the first connecting part is fixedly connected with the top cap; the end part of the second connecting part is fixedly connected with the oxygen pressurization pipeline interface flange. The oxygen self-generating pressurizing pipeline adapter, the pressurizing system and the production method of the adapter provided by the embodiment of the invention have the advantages of simple structure, lower processing cost and the like.
Description
Technical Field
The invention relates to the technical field of liquid rockets, in particular to an oxygen self-generating pressurizing pipeline adapter, a pressurizing system and a production method of the adapter.
Background
The existing liquid oxygen storage tank of a new generation carrier rocket adopts an oxygen self-generating pressurizing technology, pure oxygen is a strong oxidant, and the oxygen self-generating pressurizing technology has high requirements on equipment structure, materials, internal conditions and the like in the using process of oxygen self-generating pressurizing. When oxygen self-generating pressurization is carried out on the rocket storage tank, firstly, the oxygen needs to be preheated, and then the oxygen tank is self-generated and pressurized through an oxygen self-generating pressurizing pipeline. And combustion of structures or impurities may be caused in an oxygen environment, such as impact of particulate matter, heat generated by gas compression, mechanical collisions, friction, electrostatic discharge, electric arcs, chemical reactions, thermal runaway, resonance, etc., may be caused in an oxygen-rich environment. Therefore, the safety problem of the flow of the self-generated pressurized oxygen in the pipeline is always one of the key problems of the oxygen self-generated pressurizing mode adopted by the rocket liquid oxygen storage tank.
In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art: the interface adapter of the oxygen self-generating pressurizing pipeline and the oxygen box is used as one of the greatest safety risks of the whole oxygen self-generating pressurizing system, and the material selection and the structural design of the adapter directly influence the processing technology and the economical efficiency of the adapter. The existing carrier rocket and a new generation of aircraft can meet the safety requirement of an oxygen pressurizing system, but the oxygen self-generating pressurizing pipeline and an oxygen box interface adapter have the problems of complex processing process flow and higher processing cost, and cannot meet the requirement of low-cost emission of commercial aerospace.
Disclosure of Invention
Accordingly, an object of the present invention is to provide an oxygen self-generating pressurizing pipeline adapter, a pressurizing system and a method for producing the adapter, so as to solve the problems of complex processing process flow, high processing cost and the like of the adapter in the prior art.
In a first aspect, an embodiment of the present invention provides an oxygen self-generating pressurization pipeline adapter, which is used for transferring between an oxygen self-generating pressurization pipeline and an oxygen tank interface, and includes an adapter main housing, a top cap, an oxygen tank interface flange and an oxygen pressurization pipeline interface flange; the adapter main shell comprises a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are both cylindrical, and the second connecting part is perpendicular to the first connecting part and is communicated with the first connecting part; one end of the first connecting part is fixedly connected with the oxygen box interface flange, and the other end of the first connecting part is fixedly connected with the top cap; the end part of the second connecting part is fixedly connected with the oxygen pressurization pipeline interface flange.
Further, the top cap cover is arranged on the first connecting part of the adapter main shell, and the transition parts of the inner wall of the top cap are smooth transition parts.
Further, a penetrating mounting hole is formed in the top cap, a temperature measuring filler neck is mounted on the mounting hole, a temperature sensor is fixedly connected to the temperature measuring filler neck, and the temperature sensor is used for measuring the temperature of oxygen autogenous pressurized gas.
Further, the oxygen box interface flange comprises a first fixing portion and a first flange portion, wherein the outer diameter of the first flange portion is larger than that of the first fixing portion, and the first fixing portion is fixedly connected with the first connecting portion.
Further, a first looper flange is sleeved on the first fixing part and is used for being connected with an oxygen box interface of the rocket.
Further, the oxygen pressurization pipeline interface flange comprises a second fixing portion and a second flange portion, the outer diameter of the second flange portion is larger than that of the second fixing portion, and the second fixing portion is fixedly connected with the second connecting portion.
Further, a second loop flange is sleeved on the second fixing part and is used for being connected with an oxygen self-generating pressurizing pipeline interface of the rocket.
Further, the first connecting portion is further provided with an oxygen tank pre-injection pressurizing filler neck and an oxygen tank inflating filler neck, the oxygen tank pre-injection pressurizing filler neck and the oxygen tank inflating filler neck are arranged on the same cross section of the first connecting portion and are spaced 180 degrees apart, the oxygen tank pre-injection pressurizing filler neck is used for being connected with a pre-injection pressurizing pipeline of a rocket, and the oxygen tank inflating filler neck is used for being connected with a ground inflating pipeline of the rocket.
In a second aspect, an embodiment of the present invention provides an oxygen self-generating pressurization system, including the oxygen self-generating pressurization pipeline adapter, and further including an oxygen pressurization pipeline fixedly connected to the oxygen pressurization pipeline interface flange, and an oxygen tank fixedly connected to the oxygen tank interface flange.
In a third aspect, an embodiment of the present invention provides a liquid rocket, including the oxygen autogenous pressurization system described above.
In a fourth aspect, an embodiment of the present invention provides a method for producing an oxygen-generating pressurization pipeline adapter, which is used for manufacturing the oxygen-generating pressurization pipeline adapter, and the production method includes the following steps:
Welding and fixing an oxygen box interface flange and the first connecting part;
welding and fixing an oxygen pressurizing pipeline interface flange and the second connecting part;
Welding and fixing the top cap and the first connecting part;
and (3) washing the inner and outer surfaces of the oxygen self-generating pressurizing pipeline adapter after acid washing and alkali liquor neutralization.
The technical scheme has the following beneficial effects:
The oxygen self-generating pressurizing pipeline adapter provided by the embodiment of the invention has the advantages that the whole structure is very simple, the production method is very simple, the adapter is formed by welding, fixing and assembling a plurality of parts, the machining amount of the adapter is small, the parts are welded, and the volume of a machined blank, the cost of the blank and the cost of machining can be reduced.
The oxygen self-generating pressurizing pipeline adapter provided by the embodiment of the invention has the advantages that the structural shape and design are reasonable, the oxygen flow field is good in the working process, the oxygen flow speed and the pressure are uniform and have no abrupt change, and the flow resistance of the adapter is small. The structure of the oxygen self-generating pressurizing pipeline adapter can ensure the safety of an oxygen system between the oxygen self-generating pressurizing pipeline and an oxygen box interface, the phenomena of local temperature rise and combustion are avoided, and the safety of the whole oxygen self-generating pressurizing system is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an oxygen-generating boost line adapter according to an embodiment of the present invention;
FIG. 2 is a schematic view of another view of an oxygen-generating boost line adapter according to an embodiment of the present invention;
FIG. 3 is a schematic bottom view of an oxygen-generating boost line adapter according to an embodiment of the present invention;
FIG. 4 is a schematic view of the cross-sectional structure B-B of FIG. 3;
FIG. 5 is a schematic view of the cross-sectional structure of A-A of FIG. 3;
FIG. 6 is a schematic cross-sectional structural view of a overcap of an embodiment of the present invention;
FIG. 7 is a schematic view of the structure of the main housing of the adapter according to the embodiment of the present invention;
FIG. 8 is a schematic view of the structure of FIG. 7 in section D-D;
FIG. 9 is a schematic view of the cross-sectional structure of FIG. 7C-C;
FIG. 10 is a schematic flow chart of a method for producing an oxygen-generating boost line adapter according to an embodiment of the invention.
Reference numerals illustrate:
1. a top cap; 2. an adapter main housing; 3. a first looper flange; 4. an oxygen box interface flange; 5. a second looper flange; 6. an oxygen pressurization pipeline interface flange; 11. a temperature sensor; 12. a temperature measuring filler neck; 21. a first connection portion; 22. a second connecting portion; 23. pressurizing filler neck before oxygen box shooting; 24. an oxygen tank inflating filler neck; 41. a first fixing portion; 42. a first flange portion; 61. a second fixing portion; 62. and a second flange portion.
Detailed Description
Features and exemplary embodiments of various aspects of the invention are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order not to unnecessarily obscure the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1 to 9, one embodiment of the present invention provides an oxygen self-generating pressurizing pipe adapter for transferring between an oxygen self-generating pressurizing pipe and an oxygen tank interface, comprising an adapter main housing 2, a top cap 1, an oxygen tank interface flange 4 and an oxygen pressurizing pipe interface flange 6; the adapter main housing 2 comprises a first connecting part 21 and a second connecting part 22, the first connecting part 21 and the second connecting part 22 are both cylindrical, and the second connecting part 22 is perpendicular to the first connecting part 21 and is communicated with the first connecting part 21; one end of the first connecting part 21 is fixedly connected with the oxygen box interface flange 4, and the other end of the first connecting part 21 is fixedly connected with the top cap 1; the end of the second connecting part 22 is fixedly connected with the oxygen pressurization pipeline interface flange 6.
Specifically, as shown in fig. 1,2 and 6, in the present embodiment, the second connecting portion 22 is disposed at a position above the middle portion of the first connecting portion 21, the top cap 1 is connected to the upper end portion of the first connecting portion 21 by using an argon arc welding girth weld, the oxygen tank interface flange 4 is connected to the lower end portion of the first connecting portion 21 by using an argon arc welding girth weld, and the oxygen pressurization pipeline interface flange 6 is connected to the end portion of the second connecting portion 22 by using an argon arc welding girth weld. The top cap 1 closes the upper end opening of the first connection portion 21, so that the oxygen-generating pressurizing pipe adapter has only two open ends, one is an oxygen box interface flange 4 and one is an oxygen pressurizing pipe interface flange 6, and pressurized gas enters the oxygen-generating pressurizing pipe adapter through the oxygen pressurizing pipe interface flange 6 and then enters the oxygen box of the rocket through the oxygen box interface flange 4. The oxygen self-generating pressurizing pipeline adapter of the embodiment has the advantages of simple structure, simple manufacturing process flow and reasonable structural design, ensures the safety of an oxygen self-generating pressurizing system, and simultaneously takes into account the economical efficiency.
The top cap 1 is covered on the first connecting part 21 of the adapter main shell 2, and the transition part of the inner wall of the top cap 1 is smooth.
The top cap 1 of the embodiment is in a shape similar to a back-off bowl, the inner wall of the top cap is inwards sunken to form a cover shape, and the transition part between the side wall and the bottom wall of the top cap is in smooth round corner transition so as to reduce the flow resistance of the pressurized gas in the oxygen self-generating pressurizing pipeline adapter.
As shown in fig. 1, 2 and 6, the top cap 1 is provided with a through mounting hole (not shown), a temperature measuring filler neck 12 is mounted on the mounting hole, a temperature sensor 11 is fixedly connected to the temperature measuring filler neck 12, and the temperature sensor 11 is used for measuring the temperature of oxygen autogenous pressurized gas.
The bottom wall of the top cap 1 is provided with a penetrating mounting hole, the temperature measuring filler neck 12 is a standard component, the temperature measuring filler neck is connected to the mounting hole through an argon arc welding girth weld, and the temperature sensor 11 is fixedly connected with the temperature measuring filler neck 12 through a connecting component. The temperature sensor 11 can be used for measuring the temperature of the oxygen self-generating pressurizing gas, the condition of the pressurizing gas in the oxygen self-generating pressurizing pipeline adapter can be known in time, if the temperature fluctuation phenomenon occurs, potential safety hazards can be found and eliminated in time, and the safety of the whole oxygen self-generating pressurizing system is ensured.
As shown in fig. 5, the oxygen box interface flange 4 includes a first fixing portion 41 and a first flange portion 42, the outer diameter of the first flange portion 42 being larger than the outer diameter of the first fixing portion 41, the first fixing portion 41 being fixedly connected to the first connecting portion 21.
The inner and outer diameters of the first fixing portion 41 are the same as those of the first connecting portion 21, and are used for being connected with the first connecting portion 21 by girth welding in an argon arc welding mode. The first flange 42 protrudes from the first fixing portion 41 and is configured to be connected to an oxygen tank. The oxygen box interface flange 4 and the first connecting part 21 are fixed in a welding mode, so that the volume of a blank subjected to mechanical processing, the cost of the blank and the cost of mechanical processing can be reduced.
The first fixing part 41 is sleeved with a first looper flange 3, and the first looper flange 3 is used for being connected with an oxygen box interface of the rocket.
The first looper flange 3 and the oxygen box interface flange 4 are in a non-connection state, the first looper flange 3 is only sleeved outside the first fixing part 41, and after the first looper flange 3 is connected with the oxygen box interface of the rocket, the oxygen box interface flange 4 and the oxygen box interface are fixedly connected. The first looper flange 3 which is movably arranged can compensate the angle deviation between the oxygen self-generating pressurizing pipeline adapter and the oxygen box installation, so that the installation is easier and more reliable.
The oxygen-pressurizing pipe joint flange 6 includes a second fixing portion 61 and a second flange portion 62, the outer diameter of the second flange portion 62 is larger than the outer diameter of the second fixing portion 61, and the second fixing portion 61 is fixedly connected with the second connecting portion 22.
The inner and outer diameters of the second fixing portion 61 are the same as those of the second connecting portion 22, and are used for being connected with the second connecting portion 22 by girth welding in an argon arc welding mode. The second flange 62 protrudes from the second fixing portion 61 and is connected to the oxygen generating pressurizing pipe. The oxygen pressurization pipeline interface flange 6 and the second connecting part 22 are fixed in a welding mode, so that the volume of a blank subjected to mechanical processing, the cost of the blank and the cost of mechanical processing can be reduced.
The second fixing part 61 is sleeved with a second looper flange 5, and the second looper flange 5 is used for being connected with an oxygen self-generating pressurizing pipeline interface of the rocket.
The second looper flange 5 and the oxygen pressurization pipeline interface flange 6 are in a non-connection state, the second looper flange 5 is only sleeved outside the second fixing part 61, and after the second looper flange 5 is connected with the oxygen self-generation pressurization pipeline interface of the rocket, the fixed connection between the oxygen pressurization pipeline interface flange 6 and the oxygen self-generation pressurization pipeline interface is realized. The second looper flange 5 which is movably arranged can compensate the angle deviation between the oxygen self-generating pressurizing pipeline adapter and the oxygen self-generating pressurizing pipeline installation, so that the installation is easier and more reliable.
As shown in fig. 4 and 8, the first connecting portion 21 is further provided with an oxygen tank pre-injection pressurizing filler neck 23 and an oxygen tank charging filler neck 24, the oxygen tank pre-injection pressurizing filler neck 23 and the oxygen tank charging filler neck 24 are arranged on the same cross section of the first connecting portion 21 and are spaced 180 degrees apart, the oxygen tank pre-injection pressurizing filler neck 23 is used for being connected with a pre-injection pressurizing pipeline of a rocket, and the oxygen tank charging filler neck 24 is used for being connected with a ground charging pipeline of the rocket.
In this embodiment, the oxygen tank pre-injection pressurizing filler neck 23 and the oxygen tank charging filler neck 24 are disposed at the same height of the first connecting portion 21 with a 180 ° spacing therebetween, i.e., disposed opposite to each other. The first connecting portion 21 is provided with penetrating mounting holes at positions corresponding to the oxygen tank pre-injection pressurizing filler neck 23 and the oxygen tank charging filler neck 24, respectively, and the oxygen tank pre-injection pressurizing filler neck 23 and the oxygen tank charging filler neck 24 are connected with the first connecting portion 21 through argon arc welding girth welds respectively through the respective mounting holes. The oxygen box pre-injection pressurizing filler neck 23 is connected with the oxygen box pre-injection pressurizing small conduit through a YC joint, the oxygen box inflating filler neck 24 is connected with the oxygen box inflating small conduit through a YC joint, and the oxygen box pre-injection pressurizing filler neck 23 and the oxygen box inflating filler neck 24 are standard components, so that the oxygen box pre-injection pressurizing filler neck is easy to purchase and install.
Another embodiment of the present invention provides an oxygen self-generating pressurization system, which includes the oxygen self-generating pressurization pipeline adapter, and further includes an oxygen pressurization pipeline fixedly connected with an oxygen pressurization pipeline interface flange 6, and an oxygen tank fixedly connected with an oxygen tank interface flange 4.
Still another embodiment of the present invention further provides a liquid rocket, including the oxygen autogenous pressurizing system described above.
As shown in fig. 10, a further embodiment of the present invention further provides a method for producing an oxygen self-generating pressurization pipeline adapter, which is used for the oxygen self-generating pressurization pipeline adapter, and the method for producing the oxygen self-generating pressurization pipeline adapter includes the following steps:
Welding and fixing the oxygen box interface flange 4 and the first connecting part 21;
welding and fixing the oxygen pressurization pipeline interface flange 6 and the second connecting part 22;
Welding and fixing the top cap 1 and the first connecting part 21;
And (3) carrying out acid washing and alkali liquor neutralization on the inner and outer surfaces of the oxygen self-generating pressurizing pipeline adapter, and then cleaning.
Specifically, in this embodiment, the method for producing the oxygen-generating boost line adapter includes the steps of:
S1, preparing welding equipment and tools and completing matching parts;
S2, argon arc welding is carried out on the circumferential weld joint of the adapter main shell 2 and the oxygen box front pressurizing filler neck 23, and the weld joint inside the adapter main shell 2 is processed;
S3, argon arc welding is conducted on circumferential welds of the adapter main shell 2 and the oxygen tank inflation filler neck 24, and welds inside the adapter main shell 2 are processed;
S4, after the welding line is processed, manufacturing of the adapter main shell 2 is completed;
S5, argon arc welding is conducted on circumferential welds of the top cap 1 and the temperature measuring filler neck 12, and the welds inside the top cap 1 are processed;
S6, after the welding line is processed, manufacturing of the top cap 1 is completed;
S7, installing the first looper flange 3, welding a circumferential weld between the oxygen box interface flange 4 and the adapter main shell 2 through argon arc welding, and processing a weld inside the adapter main shell 2;
S8, installing a second looper flange 5, welding a circumferential weld between the oxygen pressurizing pipeline interface flange 6 and the adapter main shell 2 through argon arc welding, and processing a weld inside the adapter main shell 2;
S9, argon arc welding is carried out on the circumferential weld between the top cap 1 and the adapter main shell 2, and the weld inside the adapter main shell 2 is processed;
S10, pickling the outer surface and the inner surface of an oxygen self-generating pressurizing pipeline adapter, cleaning a welded oxide skin, neutralizing with alkali liquor, and finally cleaning;
s11, manufacturing the oxygen self-generating pressurizing pipeline adapter.
In the welding production process, firstly, welding the circumferential weld of the adapter main housing 2 and the oxygen box pre-injection pressurizing filler neck 23, after the circumferential weld of the interior of the adapter main housing 2 is processed, then, welding the circumferential weld of the adapter main housing 2 and the oxygen box inflating filler neck 24, and after the circumferential weld of the interior of the adapter main housing 2 is processed, completing the manufacture of the part adapter housing; then, the circumferential weld between the top cap 1 and the temperature measuring filler neck 12 is welded, and after the circumferential weld in the top cap 1 is processed, the manufacturing of the top cap 1 part is completed; then, the circumferential weld between the oxygen box interface flange 4 and the adapter main shell 2 is processed, the circumferential weld inside the adapter main shell 2 is processed, and after the processing is finished, the circumferential weld between the oxygen pressurizing pipeline interface flange 6 and the adapter main shell 2 is welded, and the circumferential weld inside the adapter main shell 2 is processed; finally, the girth weld between the top cap 1 and the main adapter housing 2 is welded, and the girth weld inside the main adapter housing 2 is processed.
The embodiment of the invention provides an oxygen self-generating pressurizing pipeline adapter, which has the advantages of simple process flow and low production cost, and can complete the functions of pre-pressurizing an oxygen tank before injecting and inflating the oxygen tank.
According to the oxygen self-generating pressurizing pipeline adapter, the oxygen box pre-pressurizing filler neck is welded on the adapter main shell, and the oxygen box pre-pressurizing adapter filler neck is connected with the pre-pressurizing pipeline, so that the requirement of pre-pressurizing the oxygen box before injection can be met.
According to the oxygen self-generating pressurizing pipeline adapter, the oxygen box inflation filler neck is welded on the main shell of the adapter, and the oxygen box inflation filler neck is connected with the ground inflation pipeline, so that the requirement of inflation and deflation during the total assembly measurement of the oxygen box can be met.
According to the oxygen self-generating pressurizing pipeline adapter, the temperature measuring filler neck is welded on the top cap at the top of the adapter, and the temperature sensor is arranged on the temperature measuring filler neck through the adapter, so that the temperature of oxygen self-generating pressurizing gas can be measured through the temperature sensor, and the safety of the whole system is improved.
The oxygen self-generating pressurizing pipeline adapter provided by the embodiment of the invention has less machining amount, is used for welding a plurality of parts, and can reduce the volume of a machined blank, the cost of the blank and the cost of machining.
The invention also provides a production method of the oxygen self-generating pressurizing pipeline adapter, which is simple and has lower production cost.
Through simulation analysis, the oxygen self-generating pressurizing pipeline adapter has the advantages that an oxygen flow field is good in the working process of the adapter, the oxygen flow speed and the oxygen flow pressure are uniform, no mutation exists, and the flow resistance of the adapter is small.
Experiments show that the structure of the oxygen self-generating pressurizing pipeline adapter can ensure the safety of an oxygen system between the oxygen self-generating pressurizing pipeline and an oxygen box interface, the phenomena of local temperature rise and combustion are avoided, and the safety of the system is improved.
In the description of the present invention, it should be noted that the orientation or positional 5 relationship indicated by "upper, lower, inner and outer", etc. in terms is based on the orientation or positional relationship shown in the drawings, only for convenience in describing the present invention and simplifying the description, not
Indicating or implying that the apparatus or elements herein referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first, second, or third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected, and coupled" are to be construed broadly in this disclosure unless otherwise specifically indicated and defined, e.g., 0: can be fixed connection, detachable connection or integral connection; it can also be a mechanical, electrical or direct connection
The connection may be indirect through an intermediate medium, or may be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Although the invention has been described with reference to preferred embodiments, without departing from the scope of the invention,
Various modifications may be made and equivalents may be substituted for elements thereof. In particular, the technical features mentioned in the embodiments 5 can be combined in any way as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (7)
1. An oxygen self-generating pressurizing pipeline adapter is used for transferring between an oxygen self-generating pressurizing pipeline and an oxygen box interface and is characterized by comprising an adapter main shell (2), a top cap (1), an oxygen box interface flange (4) and an oxygen pressurizing pipeline interface flange (6); the adapter main shell (2) comprises a first connecting part (21) and a second connecting part (22), wherein the first connecting part (21) and the second connecting part (22) are both cylindrical, and the second connecting part (22) is perpendicular to the first connecting part (21) and is communicated with the first connecting part (21); one end of the first connecting part (21) is fixedly connected with the oxygen box interface flange (4), and the other end of the first connecting part (21) is fixedly connected with the top cap (1); the end part of the second connecting part (22) is fixedly connected with the oxygen boosting pipeline interface flange (6);
The top cap (1) is covered on the first connecting part (21) of the adapter main shell (2), and the transition parts of the inner wall of the top cap (1) are smooth;
The top cap (1) is provided with a penetrating mounting hole, a temperature measuring filler neck (12) is mounted on the mounting hole, a temperature sensor (11) is fixedly connected to the temperature measuring filler neck (12), and the temperature sensor (11) is used for measuring the temperature of oxygen self-generated pressurized gas;
The device is characterized in that the first connecting part (21) is further provided with an oxygen tank pre-injection pressurizing filler neck (23) and an oxygen tank inflating filler neck (24), the oxygen tank pre-injection pressurizing filler neck (23) and the oxygen tank inflating filler neck (24) are arranged on the same cross section of the first connecting part (21) and are 180 degrees apart, the oxygen tank pre-injection pressurizing filler neck (23) is used for being connected with a pre-injection pressurizing pipeline of a rocket, and the oxygen tank inflating filler neck (24) is used for being connected with a ground inflating pipeline of the rocket.
2. The oxygen-generating boost conduit adapter of claim 1, wherein the oxygen tank interface flange (4) includes a first fixed portion (41) and a first flange portion (42), the first flange portion (42) having an outer diameter greater than an outer diameter of the first fixed portion (41), the first fixed portion (41) being fixedly connected to the first connecting portion (21).
3. Oxygen-generating boost pipeline adapter according to claim 2, characterized in that the first fixing part (41) is sleeved with a first looper flange (3), and the first looper flange (3) is used for being connected with an oxygen tank interface of a rocket.
4. The oxygen-generating boost conduit adapter of claim 1, wherein the oxygen-boost conduit interface flange (6) includes a second fixed portion (61) and a second flange portion, the second flange portion having an outer diameter greater than an outer diameter of the second fixed portion (61), the second fixed portion (61) being fixedly connected to the second connecting portion (22).
5. The oxygen-generating pressurizing pipeline adapter according to claim 4, wherein a second looper flange (5) is sleeved on the second fixing portion (61), and the second looper flange (5) is used for being connected with an oxygen-generating pressurizing pipeline interface of a rocket.
6. An oxygen self-generating pressurizing system, which is characterized by comprising the oxygen self-generating pressurizing pipeline adapter according to any one of claims 1 to 5, an oxygen pressurizing pipeline fixedly connected with an oxygen pressurizing pipeline interface flange (6), and an oxygen tank fixedly connected with an oxygen tank interface flange (4).
7. A method of producing an oxygen-generating boost line adapter, for use in the manufacture of an oxygen-generating boost line adapter as claimed in any one of claims 1 to 5, the method comprising the steps of:
S1, preparing welding equipment and tools and completing matching parts;
s2, argon arc welding is carried out on circumferential welds of the adapter main shell (2) and the oxygen box front pressurizing filler neck (23), and welds inside the adapter main shell (2) are processed;
S3, argon arc welding is conducted on circumferential welds of the adapter main shell (2) and the oxygen box inflation filler neck (24), and welds inside the adapter main shell (2) are processed;
S4, after the welding line is processed, manufacturing of the adapter main shell (2) is completed;
S5, argon arc welding is conducted on circumferential welds of the top cap (1) and the temperature measuring filler neck (12), and welds inside the top cap (1) are processed;
s6, after the welding line is processed, manufacturing of the top cap (1) is completed;
s7, installing a first looper flange (3), welding a circumferential weld between an oxygen box interface flange (4) and the adapter main shell (2) through argon arc welding, and processing a weld in the adapter main shell (2);
s8, installing a second looper flange (5), welding a circumferential weld between an oxygen pressurizing pipeline interface flange (6) and the adapter main shell (2) through argon arc welding, and processing a weld inside the adapter main shell (2);
S9, argon arc welding is conducted on the circumferential weld between the top cap (1) and the adapter main shell (2), and welding seams inside the adapter main shell (2) are processed;
S10, pickling the outer surface and the inner surface of an oxygen self-generating pressurizing pipeline adapter, cleaning a welded oxide skin, neutralizing with alkali liquor, and finally cleaning;
s11, manufacturing the oxygen self-generating pressurizing pipeline adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211713799.XA CN116045110B (en) | 2022-12-29 | 2022-12-29 | Oxygen self-generating pressurizing pipeline adapter, pressurizing system and production method of adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211713799.XA CN116045110B (en) | 2022-12-29 | 2022-12-29 | Oxygen self-generating pressurizing pipeline adapter, pressurizing system and production method of adapter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116045110A CN116045110A (en) | 2023-05-02 |
| CN116045110B true CN116045110B (en) | 2024-07-09 |
Family
ID=86123090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211713799.XA Active CN116045110B (en) | 2022-12-29 | 2022-12-29 | Oxygen self-generating pressurizing pipeline adapter, pressurizing system and production method of adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116045110B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117788522A (en) * | 2023-12-28 | 2024-03-29 | 北京京杰锐思技术开发有限公司 | Animation realization method of joint at loop |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202812610U (en) * | 2012-07-19 | 2013-03-20 | 天津市石化管件有限公司 | Novel wear-resistant bend |
| CN213776713U (en) * | 2020-09-25 | 2021-07-23 | 浙江蓝箭航天空间科技有限公司 | Low temperature carrier rocket pipeline connection structure |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3011281B1 (en) * | 2013-09-30 | 2015-10-16 | Snecma | AUTOGENOUS PRESSURIZATION DEVICE OF A TANK |
| CN103807531A (en) * | 2014-02-25 | 2014-05-21 | 中国科学院电子学研究所 | Lap joint metal sealing flange |
| FR3032238B1 (en) * | 2015-01-30 | 2017-02-17 | Snecma | CAPACITIVE CAPACITIVE POGO EFFECT CORRECTION SYSTEM WITH POSITIONABLE HALF-CENTER REJECT TUBE IN ONE ELBOW |
| US11060482B2 (en) * | 2015-09-14 | 2021-07-13 | Korea Aerospace Research Institute | Liquid rocket engine using booster pump driven by electric motor |
| CN105115827B (en) * | 2015-09-23 | 2018-09-14 | 中国航天空气动力技术研究院 | Rocket is pressurized flange and pipeline hot environment combined test device |
| US10677701B2 (en) * | 2017-11-29 | 2020-06-09 | AD Systems S.A.S. | Jet fuel thermal oxidation test equipment |
| CN208804364U (en) * | 2018-08-29 | 2019-04-30 | 东莞市泰丰空调制冷设备有限公司 | A kind of attachment device of loop adapter tube |
| CN208845946U (en) * | 2018-10-19 | 2019-05-10 | 太谷县天和管业有限公司 | It is a kind of can connecting detection equipment pipe fitting |
| CN111102416B (en) * | 2020-01-14 | 2021-10-01 | 北京宇航系统工程研究所 | Anti-vortex rotational flow five-way device |
| CN113719754B (en) * | 2021-08-26 | 2022-07-01 | 北京航天发射技术研究所 | Rocket liquid oxygen filling system and control method |
| CN114251193B (en) * | 2021-12-10 | 2023-06-06 | 北京航天动力研究所 | Double-component liquid rocket engine integrated propellant storage tank pressurizing system and method |
-
2022
- 2022-12-29 CN CN202211713799.XA patent/CN116045110B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202812610U (en) * | 2012-07-19 | 2013-03-20 | 天津市石化管件有限公司 | Novel wear-resistant bend |
| CN213776713U (en) * | 2020-09-25 | 2021-07-23 | 浙江蓝箭航天空间科技有限公司 | Low temperature carrier rocket pipeline connection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116045110A (en) | 2023-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116045110B (en) | Oxygen self-generating pressurizing pipeline adapter, pressurizing system and production method of adapter | |
| CN110525201B (en) | Integrated fuel tank and manufacturing process thereof | |
| CN108462319B (en) | A kind of water cooling casing and preparation method thereof | |
| CN110512745A (en) | A kind of application space truss structure assembling is inserted radially into from locking quick coupling | |
| CN108725808A (en) | Special fuel tank for aircraft | |
| CN110985880A (en) | Liquefied gas cylinder and manufacturing method thereof | |
| CN208352596U (en) | A kind of CA cable assembly turning to valve system based on aviation | |
| CN201236850Y (en) | Septum accumulator | |
| CN208143038U (en) | The stator pallet of New energy automobile motor stator connecting line bonding machine | |
| CN214602515U (en) | Power lithium cell welding pole piece pressure head frock | |
| CN209838557U (en) | Assembly structure, rocket engine and liquid rocket | |
| CN210687409U (en) | Flange plate for water inlet and outlet | |
| CN109728341A (en) | Lithium battery | |
| CN210822208U (en) | Automobile-used air receiver and vehicle | |
| CN219198479U (en) | Welding type quick connector for automobile | |
| CN221754975U (en) | Connecting device for assembling tube plate and lower seal head of nuclear power steam generator | |
| CN203437794U (en) | Thin-wall barrel manufacturing, assembling and transferring tool | |
| CN112610356A (en) | Floating cylinder sleeve sealing structure | |
| CN206388775U (en) | The pole column structure of lithium battery | |
| CN221097289U (en) | Spliced air spring double-cavity upper air chamber | |
| CN2374483Y (en) | Effective jar cap of enameled glass equipment | |
| CN209465842U (en) | A kind of welding structure and flexible pipe | |
| CN216618838U (en) | Double-wall corrugated pipe | |
| CN212277496U (en) | Integral type air pressure sealing separation electric connector | |
| CN220268420U (en) | Sealing device for testing air tightness of end face of metal pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |