CN106593697B - A kind of split type high temperature ladle cover jet pipe - Google Patents
A kind of split type high temperature ladle cover jet pipe Download PDFInfo
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- CN106593697B CN106593697B CN201611245701.7A CN201611245701A CN106593697B CN 106593697 B CN106593697 B CN 106593697B CN 201611245701 A CN201611245701 A CN 201611245701A CN 106593697 B CN106593697 B CN 106593697B
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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
- F02K9/96—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by specially adapted arrangements for testing or measuring
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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
- F02K9/97—Rocket nozzles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention discloses a kind of split type high temperature ladle cover jet pipe, including：Group section, expansion segment and combined segment；Wherein, the group section, the expansion segment and the combined segment are sequentially connected and connect；The combined segment includes V-type expansion segment, V-type contraction section and cover board；Wherein, the V-type expansion segment is connected with V-type contraction section, and the V-type contraction section upper end is connected with the cover board.The present invention solves the problems, such as the balance of complex surface machining and cooling effect and mechanical strength.
Description
Technical field
The present invention relates to Aerodynamic Heating ground simulating technical field more particularly to a kind of split type high temperature ladle cover jet pipes.
Background technology
Aerospace craft its surface in atmospheric reentry will be subjected to serious Aerodynamic Heating and radiant heating, this feature
It is required that aircraft loads heat-protection system.The aerodynamic configuration and heat insulation material of heat-protection system need to carry out on ground Aerodynamic Heating experiment with
Examine its thermal protective performance, some form parts of aerospace craft are in subsonic flight by serious Aerodynamic Heating, ground
It needs to simulate high temperature subsonic speed heating environment in examination experiment, because form parts are complicated and size is larger, freely penetrate
Simulation needs heater to put into very big operation power in stream, suffers from the limitation of heater power extreme value, in this case,
Experimental model is mounted in ladle cover jet pipe, heater power will be greatlyd save.
Existing ladle cover jet pipe uses inside and outside shell structure, jet pipe internal cross section for axial symmetry or rule rectangle, trapezoidal
Etc. shapes, cooling-water duct is formed between inner casing and shell, cooling water enters cooling-water duct from one end of cooling-water duct, from
The other end flows out cooling-water duct.It is had the following problems in use：
When test model has complex appearance, it is desirable that the inside of ladle cover jet pipe is complexity corresponding with test model shape
Shape, inside and outside shell structure can not realize the processing of complicated shape.
When test model is irregular shape, the inside of ladle cover jet pipe is irregular shape corresponding with test model shape
Shape, inside and outside shell structure can not meet inner casing cooling and the balance of mechanical strength.When interior thickness of the shell is big, mechanical strength is good, Ke Yicheng
By high pressure, cooling is poor, can not meet hot operation demand；When interior thickness of the shell is small, good cooling results can meet height
Warm operation demand, while bad mechanical strength can not bear high pressure.
When test model with rotation axis when projective structures when, it is necessary to jet pipe can be opened from some plane, inside and outside shell knot
Structure is difficult to realize the function.
The content of the invention
Present invention solves the technical problem that it is：Compared with the prior art, a kind of split type high temperature ladle cover jet pipe is provided, is solved
The problem of balance for complex surface machining and cooling effect and the mechanical strength of having determined.
The object of the invention is achieved by the following technical programs：A kind of split type high temperature ladle cover jet pipe, including：Switching
Section, expansion segment and combined segment；Wherein, the group section, the expansion segment and the combined segment are sequentially connected and connect；The combined segment
Including V-type expansion segment, V-type contraction section and cover board；Wherein, the V-type expansion segment is connected with V-type contraction section, and the V-type is shunk
Duan Shangduan is connected with the cover board.
In above-mentioned split type high temperature ladle cover jet pipe, the group section includes inner casing, shell, first flange and second flange；
Wherein, the inner casing is connected with the both ends of the shell, shape between the internal face of the outside wall surface of the inner casing and the shell
Into first passage；The first flange is connected with one end of the shell, the second flange and the other end of the shell
It is connected；The first flange is provided with the first water inlet pipe, and first water inlet pipe is connected with first passage；Second method
Orchid is provided with the first outlet pipe, and first outlet pipe is connected with first passage.
In above-mentioned split type high temperature ladle cover jet pipe, the expansion segment includes upstream flange, housing and downstream flange, wherein,
The upstream flange is connected with one end of housing, and the downstream flange is connected with the other end of housing；The housing it is upper
Side offers the first water inlet collector pipe, and the first water outlet collector pipe is offered on the downside of the housing；It is opened up on the upside of the housing
There is the first water inlet, first water inlet is connected with the described first water inlet collector pipe；Is offered on the downside of the housing
One water outlet, first water outlet are connected with the first water outlet collector pipe；The housing offers on its cross section
Well type passage, well type passage include the first water pipe, the second water pipe, the 3rd water pipe and the 4th water pipe；Wherein, the first water pipe, second
Water pipe, the 3rd water pipe and the 4th water pipe are sequentially connected and connect；First water pipe is connected with the described first water inlet collector pipe, described
3rd water pipe is connected with the first water outlet collector pipe.
The second water inlet is offered in above-mentioned split type high temperature ladle cover jet pipe, on the upside of the housing of the V-type expansion segment to catchment
It manages, the second water outlet collector pipe is offered on the downside of the housing；The second water inlet is offered on the upside of the housing of the V-type expansion segment
Mouthful, second water inlet is connected with the described second water inlet collector pipe；Is offered on the downside of the housing of the V-type expansion segment
Two water outlets, second water outlet are connected with the second water outlet collector pipe；The housing of the V-type expansion segment is transversal at its
The first V-type expansion segment water pipe and the second V-type expansion segment water pipe are offered on face, wherein, the first V-type expansion segment water pipe and the 2nd V
Type expansion segment water pipe is connected, and the first V-type expansion segment water pipe is connected with the described second water inlet collector pipe, the second V-type expansion segment
Water pipe is connected with the second water outlet collector pipe.
In above-mentioned split type high temperature ladle cover jet pipe, the one side of the housing of the V-type contraction section offers the 3rd water inlet and catchments
Pipe, the opposite side of the housing of the V-type contraction section offer the 3rd water outlet collector pipe；The one side of the housing of the V-type contraction section
The 3rd water inlet is offered, the 3rd water inlet is connected with the 3rd water inlet collector pipe；The opposite side of the housing of the V-type contraction section
The 3rd water outlet is offered, the 3rd water outlet is connected with the 3rd water outlet collector pipe；The housing of the V-type contraction section is transversal at its
π type passages are offered on face, π types passage includes the 5th water pipe, the 6th water pipe and the 7th water pipe；Wherein, the 5th water pipe, the 6th water
Pipe and the 7th water pipe, which are sequentially connected, to be connect；5th water pipe is connected with the 3rd water inlet collector pipe, and the 7th water pipe catchments with the 3rd water outlet
Pipe is connected.
In above-mentioned split type high temperature ladle cover jet pipe, the outside wall surface of the inner casing is provided with several fuisw ribs, several are led
Stream muscle is uniformly distributed along the circumferencial direction of inner casing.
In above-mentioned split type high temperature ladle cover jet pipe, the water inlet parallel with its axis is offered on the upside of the housing and is catchmented
Pipe.
In above-mentioned split type high temperature ladle cover jet pipe, the thickness of the housing is 30mm~100mm；First water pipe, the second water
The diameter of pipe, the 3rd water pipe and the 4th water pipe is 5mm~10mm；First water pipe, the second water pipe, the 3rd water pipe and the 4th water pipe
Internal face apart from housing is 3mm~6mm.
In above-mentioned split type high temperature ladle cover jet pipe, the wall thickness value range of V-type expansion segment, V-type contraction section and cover board should be
30mm~100mm.
In above-mentioned split type high temperature ladle cover jet pipe, the diameter of the 5th water pipe, the 6th water pipe and the 7th water pipe be 5mm~
10mm；5th water pipe, the internal face of the housing of the 6th water pipe and the 7th water pipe apart from the V-type contraction section are 3mm~6mm.
The present invention has the advantages that compared with prior art：
(1) present invention carries out segment design along curved surface, and each inflection point is waypoint, that is, is divided into group section, expansion
Complicated surface decomposition is several simple type faces by three sections of section and combined segment, this segment design, is solved complex-curved
Processing problems；
(2) group section of the invention adds the design method of fuisw rib to realize using water cooling sandwich structure, inner casing using thin-walled
The balance of cooling effect and mechanical strength；
(3) expansion segment of the invention is by rationally designing the first water inlet collector pipe, the first water outlet collector pipe and well type passage
Positions and dimensions realize the balance of cooling effect and mechanical strength；
(4) combined segment of the invention realizes cooling effect and mechanical strength by rationally designing water-cooling structure positions and dimensions
Balance, solve model installation question using the method for V-type expansion segment, V-type contraction section and cover plate combination.
Description of the drawings
Fig. 1 is the structure diagram of the split type high temperature ladle cover jet pipe of the present invention；
Fig. 1-1 is the another structure diagram of the split type high temperature ladle cover jet pipe of the present invention；
Fig. 2 is the structure diagram of the group section of the present invention；
Fig. 2-1 is the another structure diagram of the group section of the present invention；
Fig. 3 is the structure diagram of the expansion segment of the present invention；
Fig. 3-1 is the sectional view of the AA lines along Fig. 3；
Fig. 4 is the structure diagram of the combined segment of the present invention；
Fig. 5 is the structure diagram of the V-type contraction section of the present invention；
Fig. 6 is the structure diagram of the inner casing of the group section of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the structure diagram of the split type high temperature ladle cover jet pipe of the present invention；Fig. 1-1 is the split type high temperature of the present invention
The another structure diagram of ladle cover jet pipe；Fig. 4 is the structure diagram of the combined segment of the present invention.Such as Fig. 1, Fig. 1-1 and Fig. 4 institutes
Show, which includes：Group section 1, expansion segment 2 and combined segment 3；Wherein, group section 1, expansion segment 2 and group
Conjunction section 3, which is sequentially connected, to be connect；Combined segment 3 includes V-type expansion segment 12, V-type contraction section 13 and cover board 14；Wherein, V-type expansion segment 12 with
V-type contraction section 13 is connected, and 13 upper end of V-type contraction section is connected with cover board 14.Group section 1, expansion segment 2 and combined segment 3 use
Metal material, group section 1 are cylinder, and group section 1 is trapezoidal along the section of its axis, and combined segment 3 is along the section of its axis
Trapezoidal connection rectangle.V-type expansion segment 12, to be fixedly connected, is fixedly connected as sealing fixation, specific method with V-type contraction section 13
It can select sealing ring and be bolted or weld, not do specific restriction herein.V-type contraction section 13 is with cover board 14
It is fixedly connected, is fixedly connected as sealing and fixes, specific method can select sealing ring and be bolted or weld.
Specifically, group section 1, is fixedly connected with expansion segment 2, gas channel is realized in group section from axial symmetry to different
The transition of type；Expansion segment 2, upstream are fixedly connected with group section 1, and downstream is fixedly connected with combined segment 3, one expansion of formation
Gas channel；Combined segment 3, upstream are fixedly connected with expansion segment 2, and combined segment uses V-type expansion segment, V-type contraction section and cover board
The mode of combination, realization are fixedly connected with experimental model, and gas channel is realized in combined segment from the transition for being expanded to contraction,
And form venturi in outlet.It should be noted that the segment design of jet pipe should ensure that jet pipe inner mold face when choosing waypoint
Machinability Evaluation, type face that should be according to each section and the thermal environment born, take corresponding structure design, group section, expansion segment
Being fixedly connected between combined segment is that sealing is fixed, and specific method can select sealing ring and be bolted or weld
Deng not doing specific restriction herein.In specific processing technology, the mechanically deform of connect band is avoided.
The segmentation principle used in the present embodiment is to carry out segment design along jet pipe inner surface, each inflection point is point
Duan Dian, that is, be divided into 3 three sections of group section 1, expansion segment 2 and combined segment, and complicated surface decomposition is several by this segment design
A simple type face, solves the problems, such as complex surface machining.
Fig. 2 is the structure diagram of the group section of the present invention；Fig. 2-1 is the another structural representation of the group section of the present invention
Figure.It should be noted that Fig. 2-1 is the sectional view overlooked on the basis of Fig. 2.As shown in Fig. 2 and Fig. 2-1, group section 1 includes interior
Shell 4, shell 5, first flange 11 and second flange 120.Wherein,
Inner casing 4 is connected with the both ends of shell 5, and first passage is formed between the outside wall surface of inner casing 4 and the internal face of shell 5
130.Specifically, the left end of inner casing 4 is fixedly connected with the left end of shell 5, the right end of inner casing 4 is fixedly connected with the right end of shell 5,
The mode being fixedly connected is is tightly connected, and specific method can select sealing ring and be bolted or weld, herein not
Do specific restriction.First passage 130 is annular.
First flange 11 is connected with one end of shell 5, and second flange 120 is connected with the other end of shell 5.Specifically
, first flange 11 is fixedly connected with the left end of shell 5, and second flange 120 is fixedly connected with the right end of shell 5.
First flange 11 is provided with the first water inlet pipe 140, and the first water inlet pipe 140 is connected with first passage 130.Specifically
, offer the first water inlet pipe 140 along the radial direction of first flange 11.The quantity of first water inlet pipe 140 can be multiple, Duo Ge
One water inlet pipe 140 is uniformly distributed along the circumferential direction of first flange 11.The quantity of first water inlet pipe 140 shown in Figure 2 is two.
Second flange 120 is provided with the first outlet pipe 15, and the first outlet pipe 15 is connected with first passage 130.Specifically,
The first outlet pipe 15 is offered along the radial direction of first flange 11.The quantity of first outlet pipe 15 can be multiple, and multiple first go out
Water pipe 15 is uniformly distributed along the circumferential direction of first flange 11.The quantity of first outlet pipe 15 shown in Figure 2 is two.
Specifically, being passed through cooling water from the first water inlet pipe 140, cooling water circulates in first passage 130, so as to inner casing
4 are cooled down, and are finally discharged from the first outlet pipe 15.It should be noted that the inner surface of inner casing should be seamlessly transitted, avoid
Concentration of local is heated；Inner casing inner surface along airflow direction from axial symmetry to special-shaped curved transition, may be employed conical transition or
Person's gradual change surface blending, does not do specific restriction herein.
Fig. 3 is the structure diagram of the expansion segment of the present invention；Fig. 3-1 is the sectional view of the AA lines along Fig. 3.Such as Fig. 3 and figure
Shown in 3-1, expansion segment 2 includes upstream flange 6, housing 7 and downstream flange 8, wherein,
Upstream flange 6 is connected with one end of housing 7, and downstream flange 8 is connected with the other end of housing 7.On specifically,
Trip flange 6 is connected with the left end of housing 7, and downstream flange 8 is connected with the right end of housing 7, upstream flange 6 and second flange
120 are connected group section 1 with expansion segment 2 being connected, and the mode that upstream flange 6 is connected with second flange 120 can lead to
Threaded connection or welding are crossed, does not do specific restriction herein.
The upside of housing 7 offers the first water inlet collector pipe 10, and the downside of housing 7 offers and the first water outlet collector pipe
110.Specifically, the first water inlet collector pipe 10 parallel with the axis of housing 7 is offered in the upper side wall of housing 7.Housing 7
Lower wall in offer the first water outlet collector pipe 110 parallel with trapezoidal bevel edge.
The upside of housing 7 offers the first water inlet 101, and the first water inlet 101 is connected with the first water inlet collector pipe 10.
Specifically, the axis of the first water inlet 101 and the axis of the first water inlet collector pipe 10 are mutually perpendicular to, the number of the first water inlet 101
Amount can have multiple.
The downside of housing 7 offers the first water outlet 111, and the first water outlet 111 is connected with the first water outlet collector pipe 110
It connects.The axis of first water outlet 111 and the axis of the first water outlet collector pipe 110 are mutually perpendicular to, and the quantity of the first water outlet 111 can
It is multiple to have.
Housing 7 offers well type passage on its cross section, and well type passage includes the first water pipe 71, the second water pipe 72, the
Three water pipes 73 and the 4th water pipe 74；Wherein, the first water pipe 71, the second water pipe 72, the 3rd water pipe 73 and the 4th water pipe 74 phase successively
Connection；First water pipe 71 is connected with the first water inlet collector pipe 10, and the 3rd water pipe 73 is connected with the first water outlet collector pipe 110.
Specifically, the quantity of well type passage is multiple, multiple well type passages are uniformly distributed along the axis of housing 7.First water pipe 71 and
Three water pipes 73 are mutually parallel, and the shape of well type passage is consistent with the cavity shape of the cross section of housing 7.
Specifically, injecting cooling water from the first water inlet 101, into the first water inlet collector pipe 10, first catchments cooling water
Water in pipe 10 is flowed into the first water pipe 71 of well type passage, and the 3rd is flowed to after then flowing through the second water pipe 72 and the 4th water pipe 74
Then water pipe 73 is flowed into the first water outlet collector pipe 110, finally flowed out from the first water outlet 111, so as to play to the cold of housing
But act on.
Fig. 4 is the structure diagram of the combined segment of the present invention.As shown in figure 4, combined segment 3 includes V-type expansion segment 12, V-type
Contraction section 13 and cover board 14；Wherein, V-type expansion segment 12 is connected with V-type contraction section 13, and 13 upper end of V-type contraction section is connected with lid
Plate 14.
The second water inlet collector pipe 121 is offered on the upside of the housing of V-type expansion segment 12, the downside of housing 7 offers second
Water outlet collector pipe 122；The second water inlet 123, the second water inlet 123 and second are offered on the upside of the housing of V-type expansion segment 12
Water inlet collector pipe 121 is connected；The second water outlet 124, the second water outlet 124 are offered on the downside of the housing of V-type expansion segment 12
It is connected with the second water outlet collector pipe 122；The housing of V-type expansion segment 12 offers the first V-type expansion segment water on its cross section
125 and second V-type expansion segment water pipe 126 of pipe, wherein, 126 phase of the first V-type expansion segment water pipe 125 and the second V-type expansion segment water pipe
Connection, the first V-type expansion segment water pipe 125 are connected with the second water inlet collector pipe 121, the second V-type expansion segment water pipe 126 and second
Water outlet collector pipe 122 is connected.
Specifically, injecting cooling water from the second water inlet 123, into the second water inlet collector pipe 121, second intakes cooling water
Water in collector pipe 121 is flowed into the first V-type expansion segment water pipe 125, and the first V-type expansion segment water pipe 125 flows into the expansion of the second V-type
Section water pipe 126 is opened, the second water outlet collector pipe 122 is then flowed into, is finally flowed out from the second water outlet 124, so as to be expanded to V-type
The housing of section 12 plays cooling effect.
Fig. 5 is the structure diagram of the V-type contraction section of the present invention.As shown in figure 5, the one side of the housing of V-type contraction section 13
The 3rd water inlet collector pipe 16 is offered, the opposite side of the housing of V-type contraction section 13 offers the 3rd water outlet collector pipe 17.Specifically
, the 3rd water inlet collector pipe 16 is offered on the left of the housing of V-type contraction section 13, is opened up on the right side of the housing of V-type contraction section 13
There is the 3rd water outlet collector pipe 17.
The one side of the housing of V-type contraction section 13 offers the 3rd water inlet 134, and the 3rd water inlet 134 and the 3rd water inlet collect
Water pipe 16 is connected.Specifically, the 3rd water inlet 134 is offered on the left of the housing of V-type contraction section 13.
The opposite side of the housing of V-type contraction section 13 offers the 3rd water outlet 135, the 3rd water outlet 135 and the 3rd water outlet
Collector pipe 17 is connected.Specifically, the right side opening of the housing of V-type contraction section 13 is equipped with the 3rd water outlet 135.
The housing of V-type contraction section 13 offers π type passages on its cross section, and π types passage includes the 5th water pipe 131, the
Six water pipes 132 and the 7th water pipe 133；Wherein, the 5th water pipe 131, the 6th water pipe 132 and the 7th water pipe 133 are sequentially connected and connect；The
Five water pipes 131 are connected with the 3rd water inlet collector pipe 16, and the 7th water pipe 133 is connected with the 3rd water outlet collector pipe 17.Specifically,
The quantity of π type passages is multiple, and the shape of π type passages is consistent with the cavity shape of the cross section of the housing of V-type contraction section 13.
Specifically, injecting cooling water from the 3rd water inlet 134, into the 3rd water inlet collector pipe 16, the 3rd intakes cooling water
Water in collector pipe 16 is flowed into the 5th water pipe 131 of π type passages, then flows through the 6th water pipe 132 and enters the 7th water pipe
133, the 3rd water outlet collector pipe 17 is then flowed into, is finally flowed out from three water outlets 135, so as to play to V-type contraction section 13
The cooling effect of housing.
In above-described embodiment, as shown in fig. 6, the outside wall surface of inner casing 4 is provided with several fuisw ribs 41, several fuisw ribs
41 are uniformly distributed along the circumferencial direction of inner casing 4.By being provided with several fuisw ribs 41, fuisw rib 41 in the outside wall surface of inner casing 4
Heat dissipation area is added, so as to play good cooling effect.
In above-described embodiment, the thickness of housing 7 is 30mm~100mm；First water pipe 71, the second water pipe 72, the 3rd water pipe
73 and the 4th the diameter of water pipe 74 be 5mm~10mm；First water pipe 71, the second water pipe 72, the 3rd water pipe 73 and the 4th water pipe
74 internal face apart from housing 7 is 3mm~6mm.
In above-described embodiment, V-type expansion segment 12, the wall thickness value range of V-type contraction section 13 and cover board 14 should be 30mm~
100mm。
In above-described embodiment, the diameter of the 5th water pipe 131, the 6th water pipe 132 and the 7th water pipe 133 is 5mm~10mm；
5th water pipe 131, the internal face of the housing of the 6th water pipe 132 and the 7th water pipe 133 apart from V-type contraction section 13 be 3mm~
6mm。
The present invention along curved surface carry out segment design, each inflection point is waypoint, that is, be divided into group section, expansion segment and
Complicated surface decomposition is several simple type faces by three sections of combined segment, this segment design, solves complex surface machining
Problem；And the group section of the present invention adds the design method realization of fuisw rib cold using water cooling sandwich structure, inner casing using thin-walled
But the balance of effect and mechanical strength；And the expansion segment of the present invention is by rationally designing the first water inlet collector pipe, the first water outlet
Collector pipe and well type channel position and size realize the balance of cooling effect and mechanical strength；And the combined segment of the present invention passes through
The balance that water-cooling structure positions and dimensions realize cooling effect and mechanical strength is rationally designed, is shunk using V-type expansion segment, V-type
Section and the method for cover plate combination solve model installation question.
Embodiment described above is the present invention more preferably specific embodiment, and those skilled in the art is in this hair
The usual variations and alternatives carried out in the range of bright technical solution should all include within the scope of the present invention.
Claims (10)
1. a kind of split type high temperature ladle cover jet pipe, it is characterised in that including：Group section (1), expansion segment (2) and combined segment (3)；Its
In,
The group section (1), the expansion segment (2) and the combined segment (3) are sequentially connected and connect；Wherein, the group section (1) is
Metal material；
The combined segment (3) includes V-type expansion segment (12), V-type contraction section (13) and cover board (14)；Wherein, the V-type expansion segment
(12) it is connected with V-type contraction section (13), V-type contraction section (13) upper end is connected with the cover board (14).
2. split type high temperature ladle cover jet pipe according to claim 1, it is characterised in that：The group section (1) includes inner casing
(4), shell (5), first flange (11) and second flange (120)；Wherein,
The inner casing (4) is connected with the both ends of the shell (5), and the outside wall surface of the inner casing (4) is interior with the shell (5)
First passage (130) is formed between wall surface；
The first flange (11) is connected with one end of the shell (5), the second flange (120) and the shell (5)
The other end be connected；
The first flange (11) is provided with the first water inlet pipe (140), first water inlet pipe (140) and first passage (130)
It is connected；
The second flange (120) is provided with the first outlet pipe (15), first outlet pipe (15) and first passage (130) phase
Connection.
3. split type high temperature ladle cover jet pipe according to claim 1, it is characterised in that：The expansion segment (2) includes upstream
Flange (6), housing (7) and downstream flange (8), wherein,
The upstream flange (6) is connected with one end of housing (7), and the downstream flange (8) is connected with the other end of housing (7)
It connects；
The first water inlet collector pipe (10) is offered on the upside of the housing (7), the first water outlet is offered on the downside of the housing (7)
Collector pipe (110)；
The first water inlet (101), first water inlet (101) and the described first water inlet are offered on the upside of the housing (7)
Collector pipe (10) is connected；
The first water outlet (111), first water outlet (111) and first water outlet are offered on the downside of the housing (7)
Collector pipe (110) is connected；
The housing (7) offers well type passage on its cross section, and well type passage includes the first water pipe (71), the second water pipe
(72), the 3rd water pipe (73) and the 4th water pipe (74)；Wherein, the first water pipe (71), the second water pipe (72), the 3rd water pipe (73) and
4th water pipe (74), which is sequentially connected, to be connect；First water pipe (71) is connected with the described first water inlet collector pipe (10), and described the
Three water pipes (73) are connected with the first water outlet collector pipe (110).
4. split type high temperature ladle cover jet pipe according to claim 1, it is characterised in that：The shell of the V-type expansion segment (12)
The second water inlet collector pipe (121) is offered on the upside of body, the second water outlet collector pipe (122) is offered on the downside of the housing (7)；
Offer the second water inlet (123) on the upside of the housing of the V-type expansion segment (12), second water inlet (123) with
The second water inlet collector pipe (121) is connected；
Offer the second water outlet (124) on the downside of the housing of the V-type expansion segment (12), second water outlet (124) with
The second water outlet collector pipe (122) is connected；
The housing of the V-type expansion segment (12) offers the first V-type expansion segment water pipe (125) and the second V-type on its cross section
Expansion segment water pipe (126), wherein, the first V-type expansion segment water pipe (125) is connected with the second V-type expansion segment water pipe (126), the
One V-type expansion segment water pipe (125) with described second water inlet collector pipe (121) be connected, the second V-type expansion segment water pipe (126) with
The second water outlet collector pipe (122) is connected.
5. split type high temperature ladle cover jet pipe according to claim 1, it is characterised in that：The shell of the V-type contraction section (13)
The one side of body offers the 3rd water inlet collector pipe (16), and the opposite side of the housing of the V-type contraction section (13) offers the 3rd and goes out
Water collector pipe (17)；
The one side of the housing of the V-type contraction section (13) offers the 3rd water inlet (134), the 3rd water inlet (134) and the 3rd
Water inlet collector pipe (16) is connected；
The opposite side of the housing of the V-type contraction section (13) offers the 3rd water outlet (135), the 3rd water outlet (135) and the
Three water outlet collector pipes (17) are connected；
The housing of the V-type contraction section (13) offers π type passages on its cross section, and π types passage includes the 5th water pipe
(131), the 6th water pipe (132) and the 7th water pipe (133)；Wherein, the 5th water pipe (131), the 6th water pipe (132) and the 7th water pipe
(133) it is sequentially connected and connects；5th water pipe (131) is connected with the 3rd water inlet collector pipe (16), and the 7th water pipe (133) goes out with the 3rd
Water collector pipe (17) is connected.
6. split type high temperature ladle cover jet pipe according to claim 2, it is characterised in that：The outside wall surface of the inner casing (4) is set
Several fuisw ribs (41) are equipped with, several fuisw ribs (41) are uniformly distributed along the circumferencial direction of inner casing (4).
7. split type high temperature ladle cover jet pipe according to claim 3, it is characterised in that：It is opened up on the upside of the housing (7)
There is the water inlet collector pipe (10) parallel with its axis.
8. split type high temperature ladle cover jet pipe according to claim 3, it is characterised in that：The thickness of the housing (7) is
30mm~100mm；First water pipe (71), the second water pipe (72), the diameter of the 3rd water pipe (73) and the 4th water pipe (74) are 5mm
~10mm；The inner wall of first water pipe (71), the second water pipe (72), the 3rd water pipe (73) and the 4th water pipe (74) apart from housing (7)
Face is 3mm~6mm.
9. split type high temperature ladle cover jet pipe according to claim 1, it is characterised in that：V-type expansion segment (12), V-type are shunk
Section (13) and the wall thickness value range of cover board (14) should be 30mm~100mm.
10. split type high temperature ladle cover jet pipe according to claim 5, it is characterised in that：5th water pipe (131), the 6th water
The diameter for managing (132) and the 7th water pipe (133) is 5mm~10mm；5th water pipe (131), the 6th water pipe (132) and the 7th water
The internal face for managing the housing of (133) apart from the V-type contraction section (13) is 3mm~6mm.
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| CN106593697B true CN106593697B (en) | 2018-05-22 |
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| CN108915901B (en) * | 2018-07-26 | 2021-04-20 | 西安航天动力技术研究所 | Flexible spray pipe fixing body and expansion section dislocation prevention structure and method |
| CN108999727A (en) * | 2018-10-15 | 2018-12-14 | 北京动力机械研究所 | Protection against erosion water cooling nozzle structure |
| CN111015091B (en) * | 2019-11-26 | 2022-03-11 | 西安远航真空钎焊技术有限公司 | Welding method of covered spray pipe |
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| CN102121552A (en) * | 2010-12-17 | 2011-07-13 | 中国航天空气动力技术研究院 | High-temperature high-pressure spray pipe |
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| JPH1164168A (en) * | 1997-08-12 | 1999-03-05 | Ishikawajima Harima Heavy Ind Co Ltd | Exhaust gag jet cooling equipment |
| US6101957A (en) * | 1998-05-26 | 2000-08-15 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus for after-burning fuel rich rocket exhaust products |
| CN102121552A (en) * | 2010-12-17 | 2011-07-13 | 中国航天空气动力技术研究院 | High-temperature high-pressure spray pipe |
| CN204783326U (en) * | 2015-07-09 | 2015-11-18 | 南京理工大学 | Solid rocket engine ignition test device |
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