CN105736719A - High-pressure and high-safety conveying valve structure for pasty propellant - Google Patents
High-pressure and high-safety conveying valve structure for pasty propellant Download PDFInfo
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- CN105736719A CN105736719A CN201410744700.1A CN201410744700A CN105736719A CN 105736719 A CN105736719 A CN 105736719A CN 201410744700 A CN201410744700 A CN 201410744700A CN 105736719 A CN105736719 A CN 105736719A
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- valve
- valve head
- pasty propellant
- propellant
- pasty
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Abstract
The invention provides a high-pressure and high-safety conveying valve structure for a pasty propellant. One end of a conveying valve shell of the high-pressure and high-safety conveying valve structure is provided with a pasty propellant medium inlet, and the pasty propellant medium inlet is connected with the propellant storage box side; the other end of the conveying valve shell is provided with a control gas conductor, and the control gas connector is connected with control gas and connected with connector external threads in a threaded mode through internal threads; a flow control cavity is machined in the position of a valve; a pasty propellant medium channel is machined in the connector, the upstream side of the pasty propellant medium channel is connected with the shell through threads, a connector butt joint conical opening is machined in the center of the pasty propellant medium channel, and the other side of the pasty propellant medium channel is connected with the propellant conveying downstream portion; a valve element is located in the shell, a control gas chamber is formed by one end of the valve element and the shell, and dual sealing of the valve element is achieved by means of a sealing ring; a valve head is inlaid in the other end of the valve element, and a gap is machined in the outer side close to the pasty propellant medium side; a check ring position is set, and a check ring is installed; a buffer cavity is formed between the check ring installation position and the sealing ring installation position; the valve head is formed by polyimide through integral machining; and a center hole is machined, a valve head butt joint ball is machined at one end of the valve head, and the valve head is matched with the connector butt joint conical opening through the valve head butt joint ball.
Description
Technical field
The present invention relates to mastic rocket engine technical field, be specifically related to one and be applied to pasty propellant high pressure high safe transport valve mechanism.
Background technology
Mastic rocket engine belongs to a kind of new rocket engine technology, propellant adopts uncured solid propellant, be capable of the high filling of electromotor, electromotor can repeatedly start, thrust size is controlled, its propellant adopted can under the premise keeping high-energy-density, can in very large range regulate the mechanical property of propellant, such as mobility, plasticity, viscosity, thixotropy etc..Integrate solid and liquid-propellant rocket engine advantage due to Pasty Propellant Rocket Engine, therefore it be of wide application, apply more advantage at small-sized rail control rocket engine.Owing to pasty propellant belongs to energetic material for a long time, it is applied to rocket engine, security requirement for its induction system is high, and therefore, the high safe feeding valve of High Voltage being applied to mastic rocket engine is pasty propellant major issue in rocket engine is applied.
At present the conveying of pasty propellant is not yet had the high safe feeding valve of effective high pressure, many employing electromagnet cut off valve structures, bringing electromagnetic effect in actual use, its safety is not enough, and spool impacts in the course of the work and easily makes oxidizing agent pellets in pasty propellant blast.
Summary of the invention
It is an object of the invention to the high pressure high safe transport for realizing pasty propellant, solve pasty propellant safe handling problem in mastic rocket engine, to meet pasty propellant use in mastic rocket engine.
In order to reach foregoing invention purpose, the present invention solves that its technical problem be employed technical scheme comprise that the high safe feeding valve structure of proposition pasty propellant high pressure, utilize fine copper and polyimide material characteristic, by arranging feeding valve in pasty propellant transfer pipeline, processing buffer structure in structure, realize the safe transport of pasty propellant, both the smooth delivery of power of pasty propellant had been met, meet again the control of mastic flow, it is ensured that pasty propellant safety applications on rocket engine uses.
The present invention includes: feeding valve housing (1), joint (2), spool (3), valve head (4), back-up ring (5), sealing ring (6), control air chamber (9), joint docking cone mouth (10), valve head docking bulb (11), valve head central hole (12), cushion chamber (13), flow-control chamber (14), gap (15)；
Described feeding valve housing (1) one end is pasty propellant medium inlet, it is connected with propellant tank side, the other end is for controlling gas joint, it is connected with controlling gas, it is threaded connection by female thread and joint (2) external screw thread, seal and adopt sealing ring (6) to seal, process flow-control chamber (14) at valve location；
Described joint (2) internal processing pasty propellant medium channel, upstream side is connected with housing (1) by screw thread, and center working joint docking cone mouth (10), opposite side is connected with propellant energy properties downstream；
Described spool (3) is positioned at housing (1) inside, one end and housing (1) composition control air chamber (9), seals and adopts sealing ring (6) two seals；The other end inlays valve head (4), it is being processed to form gap (15) outside pasty propellant side medium, and back-up ring (5) position is set, back-up ring (5) is installed, between the position that back-up ring (5) is installed and sealing ring (6) installation site, is processed to form cushion chamber (13)；
Described valve head (4) processing has centre bore (12), its one end processing valve head docking bulb (11), docks bulb by valve head and docks cone mouth (10) coupling with joint.
The present invention adopts feeding valve without electricity, magnetic structure, improves safety；Adopt gas that feeding valve is controlled, it is possible to making full use of the total source of the gas of electromotor propellant transfer system, simple in construction, safety is high；Feeding valve housing adopts stainless steel material, it is ensured that with the compatibility of propellant material and environment；Adopt fine copper spool and polyimides valve head structure, namely improve structural strength, rigidity property, reduce again and drive the impact safety in control process at feeding valve；And using the polyimide material part as structural member, architecture quality is light, and structure is formed by machining, technical process is simple, will not produce volatile substance etc., without aging conditions in feeding valve work process, structural member intensity is high, can fully meet High Voltage work requirements.There is the features such as simple in construction, easy to use, reliable operation, thermal adaptability are strong.
Accompanying drawing explanation
Fig. 1 is the high safe feeding valve structural representation of a kind of pasty propellant high pressure.
Detailed description of the invention
As shown in Figure 1, the high safe feeding valve structure of one pasty propellant high pressure of the present invention, specifically includes that feeding valve housing 1, joint 2, spool 3, valve head 4, back-up ring 5, sealing ring 6, pasty propellant Way in 7, pasty propellant Way out 8, controls air chamber 9, joint docking cone mouth 10, valve head docking bulb 11, valve head central hole 12, cushion chamber 13, flow-control chamber 14, gap 15.Feeding valve housing 1, joint 2, spool 3, valve head 4, back-up ring 5 quantity are 1, sealing ring 6 quantity 3, pasty propellant Way in 7, pasty propellant Way out 8, control air chamber 9, joint docking cone mouth 10, valve head docking bulb 11, valve head central hole 12, cushion chamber 13, flow-control chamber 14, gap 15 quantity are 1 place.
Feeding valve housing 1 adopts 1Cr18Ni9Ti material overall processing to form, one end is pasty propellant medium inlet, it is connected with propellant tank side, one end is for controlling gas joint, it is connected with controlling gas, it is threaded connection by female thread and joint 2 external screw thread, seals and adopt sealing ring 6 to seal, process flow-control chamber 14 at valve location；Joint 2 adopts 1Cr18Ni9Ti material overall processing to form, internal processing pasty propellant medium channel, and upstream side is connected with housing 1 by screw thread, and center working joint docking cone mouth 10, opposite side is connected with propellant energy properties downstream；It is internal that spool 3 is positioned at housing 1, employing pure copper material is processed, one end and housing 1 composition control air chamber 9, seal and adopt sealing ring 6 two seals, valve head 4 is inlayed in one end, being processed to form gap 15 outside pasty propellant side medium, arranges back-up ring 5 position, back-up ring 5 is installed, between back-up ring 5 installation site and sealing ring 6 installation site, is processed to form cushion chamber 13；Valve head 4 material adopts polyimides overall processing to form, machining center hole 12, one end processing valve head docking bulb 11, docks cone mouth 10 by valve head docking bulb with joint and mates；Back-up ring 5 adopts polytetrafluoroethylmaterial material overall processing to form；Sealing ring 6 adopts the mold pressing of fluorosioloxane rubber material to form.
The technical specification that the high safe feeding valve structure of the present invention a kind of pasty propellant high pressure reaches is as follows:
A. operating pressure: > 10MPa；
B. range of flow: > 600g/s；
C. architecture quality: < 100g；
D. temperature range is used: ± 100 DEG C；
E. response time: < 20ms；
F. media type: containing oxidizing agent pellets compound body propellant.
Obviously, the present invention can be carried out various change and deformation without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments of the present invention and deformation belong in the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these changes.
Claims (7)
1. the high safe feeding valve structure of kind of pasty propellant high pressure, including: feeding valve housing (1), joint (2), spool (3), valve head (4), back-up ring (5), sealing ring (6), control air chamber (9), joint docking cone mouth (10), valve head docking bulb (11), valve head central hole (12), cushion chamber (13), flow-control chamber (14), gap (15)；
Described feeding valve housing (1) one end is pasty propellant medium inlet, it is connected with propellant tank side, the other end is for controlling gas joint, it is connected with controlling gas, it is threaded connection by female thread and joint (2) external screw thread, seal and adopt sealing ring (6) to seal, process flow-control chamber (14) at valve location；
Described joint (2) internal processing pasty propellant medium channel, upstream side is connected with housing (1) by screw thread, and center working joint docking cone mouth (10), opposite side is connected with propellant energy properties downstream；
Described spool (3) is positioned at housing (1) inside, one end and housing (1) composition control air chamber (9), seals and adopts sealing ring (6) two seals；The other end inlays valve head (4), it is being processed to form gap (15) outside pasty propellant side medium, and back-up ring (5) position is set, back-up ring (5) is installed, between the position that back-up ring (5) is installed and sealing ring (6) installation site, is processed to form cushion chamber (13)；
Described valve head (4) processing has centre bore (12), its one end processing valve head docking bulb (11), docks bulb by valve head and docks cone mouth (10) coupling with joint.
2. the high safe feeding valve structure of a kind of pasty propellant high pressure according to claim 1, it is characterised in that: described feeding valve housing (1) adopts 1Cr18Ni9Ti material overall processing to form.
3. the high safe feeding valve structure of a kind of pasty propellant high pressure according to claim 1, it is characterised in that: described joint (2) adopts 1Cr18Ni9Ti material overall processing to form.
4. the high safe feeding valve structure of a kind of pasty propellant high pressure according to claim 1, it is characterised in that: described spool (3) adopts pure copper material processing.
5. the high safe feeding valve structure of a kind of pasty propellant high pressure according to claim 1, it is characterised in that: described valve head (4) material adopts polyimides overall processing to form.
6. the high safe feeding valve structure of a kind of pasty propellant high pressure according to claim 1, it is characterised in that: described back-up ring (5) adopts polytetrafluoroethylmaterial material overall processing to form.
7. the high safe feeding valve structure of a kind of pasty propellant high pressure according to claim 1, it is characterized in that: described housing (1), joint (2), spool (3), valve head (4), back-up ring (5) quantity are 1, sealing ring (6) quantity 3, pasty propellant Way in (7), pasty propellant Way out (8), control air chamber (9), joint docking cone mouth (10), valve head docking bulb (11), valve head central hole (12), cushion chamber (13), flow-control chamber (14), gap (15) quantity are 1 place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410744700.1A CN105736719A (en) | 2014-12-09 | 2014-12-09 | High-pressure and high-safety conveying valve structure for pasty propellant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410744700.1A CN105736719A (en) | 2014-12-09 | 2014-12-09 | High-pressure and high-safety conveying valve structure for pasty propellant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105736719A true CN105736719A (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410744700.1A Pending CN105736719A (en) | 2014-12-09 | 2014-12-09 | High-pressure and high-safety conveying valve structure for pasty propellant |
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| CN (1) | CN105736719A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6321774B1 (en) * | 1999-01-15 | 2001-11-27 | Daimlerchrysler Ag | Control valve for cryogenic use |
| CN2632405Y (en) * | 2003-07-03 | 2004-08-11 | 大连大洋阀门研究发展有限公司 | Ultra-low temperature valves |
| CN201731153U (en) * | 2010-06-28 | 2011-02-02 | 北京航天发射技术研究所 | High-pressure low-temperature gas check valve |
| CN202955249U (en) * | 2012-10-17 | 2013-05-29 | 金仙惠 | Stop valve with valve head sealing gasket |
| CN203477485U (en) * | 2013-08-20 | 2014-03-12 | 中国航天科技集团公司第六研究院第十一研究所 | All-welded mechanical actuating propellant filling and releasing valve |
| CN203614880U (en) * | 2013-11-18 | 2014-05-28 | 北京宇航系统工程研究所 | Pneumatic cutting type propellant isolation valve |
| CN203797002U (en) * | 2013-12-10 | 2014-08-27 | 上海新力动力设备研究所 | Diversion structure of high temperature high residue fuel gas valve sealing pair |
-
2014
- 2014-12-09 CN CN201410744700.1A patent/CN105736719A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6321774B1 (en) * | 1999-01-15 | 2001-11-27 | Daimlerchrysler Ag | Control valve for cryogenic use |
| CN2632405Y (en) * | 2003-07-03 | 2004-08-11 | 大连大洋阀门研究发展有限公司 | Ultra-low temperature valves |
| CN201731153U (en) * | 2010-06-28 | 2011-02-02 | 北京航天发射技术研究所 | High-pressure low-temperature gas check valve |
| CN202955249U (en) * | 2012-10-17 | 2013-05-29 | 金仙惠 | Stop valve with valve head sealing gasket |
| CN203477485U (en) * | 2013-08-20 | 2014-03-12 | 中国航天科技集团公司第六研究院第十一研究所 | All-welded mechanical actuating propellant filling and releasing valve |
| CN203614880U (en) * | 2013-11-18 | 2014-05-28 | 北京宇航系统工程研究所 | Pneumatic cutting type propellant isolation valve |
| CN203797002U (en) * | 2013-12-10 | 2014-08-27 | 上海新力动力设备研究所 | Diversion structure of high temperature high residue fuel gas valve sealing pair |
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Application publication date: 20160706 |