CN105067393A - Propellant flame component acquisition device - Google Patents
Propellant flame component acquisition device Download PDFInfo
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- CN105067393A CN105067393A CN201510481996.7A CN201510481996A CN105067393A CN 105067393 A CN105067393 A CN 105067393A CN 201510481996 A CN201510481996 A CN 201510481996A CN 105067393 A CN105067393 A CN 105067393A
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Abstract
The invention discloses a propellant flame component acquisition device. The propellant flame component acquisition device comprises a component acquisition subassembly, piston subassemblies, a baffle plate subassembly, a pedestal, a propellant support, guide rails, slide blocks, an air valve, and a high pressure gas cylinder. According to application, the high pressure gas cylinder is opened, the component acquisition subassembly and the baffle plate subassembly are pushed by high pressure gas to move to each other; when the component acquisition subassembly and the baffle plate subassembly meet, flame gas of propellant is divided by a pyramid-shaped hole of the component acquisition device, flame gas is delivered into a component acquisition plate of the component acquisition subassembly; and a syringe is used for suck flame gas out, and a component analyzer is used for analyzing the component of the flame gas. The propellant flame component acquisition device is simple in structure, sample acquisition efficiency is high, and the propellant flame component acquisition device can be used for simultaneous acquisition of same flame at the same time at different parts.
Description
Technical field
The invention belongs to flame gas component collection technology, be specifically related to a kind of propellant flame component collection device.
Background technology
The combustion speed of solid propellant affects by pressure, and influence coefficient becomes Pressure Exponent.Deviser wishes that the burning rate pressure exponent of propellant is more low better under normal circumstances, thus makes the fluctuation of pressure caused by accidental change of some parameter of engine be unlikely to cause propellant burning rate sharply to change thus change solid engines performance.
Way the most frequently used at present adds catalyzer in propellant, thus change the burning rate test of propellant.But the explanation that the principle of catalysts influence propellant Pressure Exponent is also ununified at present, also finds during experiment that a certain catalyzer can affect the Pressure Exponent of a specific class propellant, but be almost then without impact on the Pressure Exponent of another kind of propellant.Analyze the propellant flame component containing different catalysts, contribute to the mechanism that announcement catalyzer affects propellant Pressure Exponent.
Zhao Zhibo proposes a kind of device of analytic combustion component in " NEPE high-energy propellant coagulates the specificity analysis of phase products of combustion " literary composition, is placed in by propellant inside a closed container and lights, and analyzes the product after burning in different situations.Analyze again after propellant combustion completes, intermediate product dilution in combustion process can be fallen, if the precision of component analysis instrument is not high enough, even monitor the intermediate product less than these content rarenesses, be unfavorable for the detailed process that analysis of catalyst affects propellant combustion like this.
Summary of the invention
The object of the present invention is to provide a kind of propellant flame component collection device, solve the problem of aflame propellant flame component collection difficulty.
The technical scheme realizing the object of the invention is: a kind of propellant flame component collection device, comprises component collection assembly, piston component, baffle assembly, pedestal, propellant support, guide rail, slide block, air valve and gas cylinder; Two piston component symmetries are fixed on the two ends of pedestal, and two guide rails be parallel to each other are connected on pedestal, and the setting direction of guide rail and piston component direction of motion are in the same way; Guide rail is provided with two slide blocks along slide; Baffle assembly one end is connected from two slide blocks being positioned at different guide rail, and the other end and the piston component of slide block homonymy be connected with it are connected; Component collection assembly one end and another two slide blocks are connected, and the other end and another piston component of slide block homonymy be connected with it are connected; Two piston components are connected with air valve respectively by wireway, and air valve is connected with gas cylinder again; Propellant Bracket setting on pedestal, and is positioned in the middle of component collection assembly and baffle assembly.
Described piston component comprises piston rod, piston and piston holder, and piston rod comprises cross bar and is connected in cross bar one end and perpendicular montant, and piston is fixed on pedestal by piston holder, and the cross bar of piston rod stretches into piston; Piston bottom end is connected with air valve by wireway.
Described component collection assembly comprises component collection plate, Fraction collection plate and connecting link, component collection plate is arranged in order M*N the first through hole, M >=5, N >=5, first through hole one end side of being taper hole, the face of the component collection strip side of having taper hole is relative with baffle plate, Fraction collection plate has the second through hole communicated with component collection plate, component collection plate and Fraction collection plate are connected, two connecting links lay respectively at bottom and the top of Fraction collection plate, connecting link one end and Fraction collection plate hinged, the end of the montant of the other end and described piston rod is hinged.Be fixed on bottom component collection plate and be positioned on two slide blocks of different slide rail.
Described component collection plate material is that tungsten oozes copper.
Described baffle assembly comprises plate washer and transmission rod, bottoms is fixed on and is positioned on two slide blocks of different slide rail, two transmission rods lay respectively at top and the bottom of plate washer, transmission rod one end and plate washer hinged, the end of the montant of the other end and described piston rod is hinged.
The face coating rubber coating that described plate washer is relative with component collection plate.
Described propellant support is positioned in the middle of plate washer and component collection plate.
Compared with prior art, its remarkable advantage is in the present invention: (1) can gather the flame component of same flame synchronization diverse location simultaneously, and precision can according to the adjusted size of taper hole in data acquisition board.
(2) structure is simple, and the gas cylinder using laboratory common is as propulsion system, and experimental cost is low.
(3) sample collection efficiency is high, as long as just can carry out second time collection after piston rod being resetted after gathering a secondary data.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of propellant flame component collection device of the present invention.
Fig. 2 is the side view of propellant flame component collection device of the present invention.
Fig. 3 is the schematic diagram of the component collection plate of propellant flame component collection device of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Composition graphs 1 ~ Fig. 3, a kind of propellant flame component collection device, comprises component collection assembly, piston component, baffle assembly, pedestal 7, propellant support 9, guide rail 10, slide block 11, air valve 14 and gas cylinder 15.Two piston component symmetries are fixed on the two ends of pedestal 7, and two guide rails be parallel to each other 10 are connected on pedestal 7, and the setting direction of guide rail 10 and piston component direction of motion are in the same way.Guide rail 10 is provided with two slide blocks 11 slided along guide rail 10.Baffle assembly one end is connected from two slide blocks 11 being positioned at different guide rail, and the other end and the piston component of slide block 11 homonymy be connected with it are connected.Component collection assembly one end and another two slide blocks 11 are connected, and the other end and another piston component of slide block 11 homonymy be connected with it are connected.Two piston components are connected with air valve 14 respectively by wireway, and air valve 14 is connected with gas cylinder 15 again.Propellant support 9 is arranged on pedestal 7, and is positioned in the middle of component collection assembly and baffle assembly.
Piston component comprises piston rod 4, piston cylinder 5 and piston holder 6, and piston rod 4 comprises cross bar and is connected in cross bar one end and perpendicular montant, and piston cylinder 5 is fixed on pedestal 7 by piston holder 6, and the cross bar of piston rod 4 stretches into piston cylinder 5.Piston cylinder 5 bottom is connected with air valve 14 by wireway.
Component collection assembly comprises component collection plate 1, Fraction collection plate 2 and connecting link 3, component collection plate 1 is arranged in order M*N the first through hole, M >=5, N >=5, first through hole one end side of being taper hole, component collection plate 1 is relative with baffle plate 12 with the face of square taper hole, Fraction collection plate 2 has the second through hole communicated with component collection plate 1, component collection plate 1 and Fraction collection plate 2 are connected, two connecting links 3 lay respectively at bottom and the top of Fraction collection plate 2, connecting link 3 one end and Fraction collection plate 2 hinged, the end of the montant of the other end and described piston rod 4 is hinged.Be fixed on bottom component collection plate 1 and be positioned on two slide blocks 11 of different slide rail.Two connecting links 3 do not intersect.
Component collection plate 1 material is that tungsten oozes copper.
Baffle assembly comprises plate washer 12 and transmission rod 8, be fixed on bottom plate washer 12 and be positioned on two slide blocks 11 of different slide rail, two transmission rods 8 lay respectively at top and the bottom of plate washer 12, transmission rod 8 one end and plate washer 12 hinged, the end of the montant of the other end and described piston rod 4 is hinged.The face coating rubber coating 13 that plate washer 12 is relative with component collection plate 1.Two transmission rods 8 do not intersect.
Described propellant support 9 is positioned in the middle of plate washer 12 and component collection plate 1.
Embodiment 1
A kind of propellant flame component collection device, comprises component collection assembly, piston component, baffle assembly, pedestal 7, propellant support 9, guide rail 10, slide block 11, air valve 14 and gas cylinder 15.Two piston component symmetries are fixed on the two ends of pedestal 7, and two guide rails be parallel to each other 10 are welded on pedestal 7, and the setting direction of guide rail 10 and piston component direction of motion are in the same way.Guide rail 10 is provided with two slide blocks 11 slided along guide rail 10.Baffle assembly one end is connected from two slide blocks 11 being positioned at different guide rail, and the other end and the piston component of slide block 11 homonymy be connected with it are connected.Component collection assembly one end and another two slide blocks 11 are connected, and the other end and another piston component of slide block 11 homonymy be connected with it are connected.Two piston components are connected with air valve 14 respectively by wireway, and air valve 14 is connected with gas cylinder 15 again.Propellant support 9 is welded on pedestal 7, and is positioned in the middle of component collection assembly and baffle assembly.
Piston component comprises piston rod 4, piston cylinder 5 and piston holder 6, piston rod 4 cross section is T-shaped, and comprise cross bar and be connected in cross bar one end and perpendicular montant, piston cylinder 5 is welded on pedestal 7 by piston holder 6, the cross bar of piston rod 4 stretches into piston cylinder 5, carries out piston movement.Piston cylinder 5 bottom is connected with air valve 14 by wireway.
Component collection assembly comprises component collection plate 1, Fraction collection plate 2 and connecting link 3, component collection plate 1 is arranged in order 10*10 the first through hole, first through hole one end side of being taper hole, component collection plate 1 is relative with baffle plate 12 with the face of square taper hole, Fraction collection plate 2 has the second through hole communicated with component collection plate 1, component collection plate 1 and Fraction collection plate 2 are connected, one end of a connecting link 3 and the top of Fraction collection plate 2 hinged, the top of the other end and montant is hinged; Another root connecting link 3 one end Fraction collection plate 2 bottom-hinged, the bottom-hinged of the montant of the other end and piston rod 4.Be fixed by screws in bottom component collection plate 1 and be positioned on two slide blocks 11 of different slide rail.
Component collection plate 1 material is that tungsten oozes copper.
Baffle assembly comprises plate washer 12 and transmission rod 8, and be fixed by screws in bottom plate washer 12 and be positioned on two slide blocks 11 of different slide rail, wherein the top of transmission rod 8 one end and plate washer 12 is hinged, and the top of the montant of the other end and described piston rod 4 is hinged.The bottom-hinged of another root transmission rod 8 one end and plate washer 12, the bottom-hinged of the montant of the other end and described piston rod 4.The face coating rubber coating 13 that plate washer 12 is relative with component collection plate 1.
Described propellant support 9 is positioned in the middle of plate washer 12 and component collection plate 1.
During use, first the solid propellant sample of component to be analyzed is put on propellant support 9, two piston rods 4 are moved respectively to the bottom of piston cylinder 5, laser is used to be lighted by solid propellant, air valve 14 is opened after propellant smooth combustion, the gases at high pressure of gas cylinder 15 promote two piston rods 4 and travel forward, then baffle plate 12 is promoted respectively by transmission rod 8 and connecting link 3, Fraction collection plate 2 move toward one another, Fraction collection plate 2 drives component collection plate 1 to move, final component collection plate 1 bumps against directly over propellant support 9 with baffle plate 12, flame gas is divided, enter component collection plate 1 with the through hole of component collection plate 2, in knockout process, rubber coating 13 impact that both can slow down between component collection plate 1 and baffle plate 12 also plays the effect of sealing.Afterwards with syringe by the gas sucking-off in the second through hole, be put into the component analyzing propellant flame diverse location place in component analysis instrument.
The present invention can gather the flame component of same flame synchronization diverse location simultaneously, and precision can according to the adjusted size of taper hole in data acquisition board.Structure is simple, and the gas cylinder using laboratory common is as propulsion system, and experimental cost is low.Sample collection efficiency is high, as long as just can carry out second time collection after piston rod being resetted after gathering a secondary data.
Claims (7)
1. a propellant flame component collection device, is characterized in that: comprise component collection assembly, piston component, baffle assembly, pedestal (7), propellant support (9), guide rail (10), slide block (11), air valve (14) and gas cylinder (15); Two piston component symmetries are fixed on the two ends of pedestal (7), and two guide rails be parallel to each other (10) are connected on pedestal (7), and the setting direction of guide rail (10) and piston component direction of motion are in the same way; Guide rail (10) is provided with two slide blocks (11) slided along guide rail (10); Baffle assembly one end is connected from two slide blocks (11) being positioned at different guide rail, and the other end and the piston component of slide block (11) homonymy be connected with it are connected; Component collection assembly one end and another two slide blocks (11) are connected, and the other end and another piston component of slide block (11) homonymy be connected with it are connected; Two piston components are connected with air valve (14) respectively by wireway, and air valve (14) is connected with gas cylinder (15) again; Propellant support (9) is arranged on pedestal (7), and is positioned in the middle of component collection assembly and baffle assembly.
2. propellant flame component collection device according to claim 1, it is characterized in that: described piston component comprises piston rod (4), piston (5) and piston holder (6), piston rod (4) comprises cross bar and is connected in cross bar one end and perpendicular montant, piston (5) is fixed on pedestal (7) by piston holder (6), and the cross bar of piston rod (4) stretches into piston (5); Piston (5) bottom is connected with air valve (14) by wireway.
3. propellant flame component collection device according to claim 2, it is characterized in that: described component collection assembly comprises component collection plate (1), Fraction collection plate (2) and connecting link (3), component collection plate (1) is arranged in order M*N the first through hole, M >=5, N >=5, first through hole one end side of being taper hole, component collection plate (1) is relative with baffle plate (12) with the face of square taper hole, Fraction collection plate (2) has the second through hole communicated with component collection plate (1), component collection plate (1) and Fraction collection plate (2) are connected, two connecting links (3) lay respectively at bottom and the top of Fraction collection plate (2), connecting link (3) one end and Fraction collection plate (2) hinged, the end of the montant of the other end and described piston rod (4) is hinged, component collection plate (1) bottom is fixed on and is positioned on two slide blocks (11) of different slide rail.
4. propellant flame component collection device according to claim 3, is characterized in that: described component collection plate (1) material is that tungsten oozes copper.
5. propellant flame component collection device according to claim 3, it is characterized in that: described baffle assembly comprises plate washer (12) and transmission rod (8), plate washer (12) bottom is fixed on and is positioned on two slide blocks (11) of different slide rail, two transmission rods (8) lay respectively at top and the bottom of plate washer (12), transmission rod (8) one end and plate washer (12) hinged, the end of the montant of the other end and described piston rod (4) is hinged.
6. propellant flame component collection device according to claim 5, is characterized in that: face coating rubber coating (13) that described plate washer (12) is relative with component collection plate (1).
7. propellant flame component collection device according to claim 5, is characterized in that: described propellant support (9) is positioned in the middle of plate washer (12) and component collection plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481996.7A CN105067393B (en) | 2015-08-03 | 2015-08-03 | A kind of propellant flame component collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481996.7A CN105067393B (en) | 2015-08-03 | 2015-08-03 | A kind of propellant flame component collection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105067393A true CN105067393A (en) | 2015-11-18 |
| CN105067393B CN105067393B (en) | 2017-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510481996.7A Expired - Fee Related CN105067393B (en) | 2015-08-03 | 2015-08-03 | A kind of propellant flame component collection device |
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| CN (1) | CN105067393B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108037236A (en) * | 2017-11-21 | 2018-05-15 | 中国科学院地质与地球物理研究所兰州油气资源研究中心 | Methane conversion quantitative analysis gas collection experimental provision in flare discharge |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037236A (en) * | 2017-11-21 | 2018-05-15 | 中国科学院地质与地球物理研究所兰州油气资源研究中心 | Methane conversion quantitative analysis gas collection experimental provision in flare discharge |
| CN108037236B (en) * | 2017-11-21 | 2023-03-03 | 中国科学院西北生态环境资源研究院 | Experimental device for collecting quantitative analysis gas of methane conversion rate in torch discharge |
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| CN105067393B (en) | 2017-09-15 |
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