CN105065754B - Explosion valve drive - Google Patents
Explosion valve drive Download PDFInfo
- Publication number
- CN105065754B CN105065754B CN201510430104.0A CN201510430104A CN105065754B CN 105065754 B CN105065754 B CN 105065754B CN 201510430104 A CN201510430104 A CN 201510430104A CN 105065754 B CN105065754 B CN 105065754B
- Authority
- CN
- China
- Prior art keywords
- interior sealing
- gunpowder
- igniter
- gunpowder chamber
- housing
- 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.)
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
Abstract
The present invention provides a kind of explosion valve drive, it is used to produce power in the explosive valve of nuclear power station to open explosive valve, it includes housing, at least one input seal disc, at least one igniter, first order gunpowder chamber, second level gunpowder chamber, export seal disc and interior sealing component, output seal disc is fixed in the bottom of housing, second level gunpowder chamber is arranged on output seal disc, interior sealing component is successively set on first order gunpowder chamber on the gunpowder chamber of the second level and interior sealing component is connected with housing, igniter is installed in case top, input seal disc is fixed in igniter bottom and forms flash hole between first order gunpowder chamber.The drive device uses the three-level sparking mode of igniter, the first order and second level gunpowder chamber, flame enters second level gunpowder chamber through interior sealing component after guarantee first order gunpowder intracavitary gunpowder fully burns after igniting makes its interior gunpowder fully burn, improve igniting property, interior sealing component is detachably connected with housing, improves security.
Description
Technical field
The present invention relates to firepower actuation techniques, more particularly to a kind of explosion valve drive applied in nuclear power station.
Background technology
At present, it is the last safe outpost of the tax office together in nuclear power station borehole blasting valve, driving need to be triggered when accident occurs for nuclear power station
Igniter in device receives to put to fight immediately after valve opening signal passes gunpowder conflagration in fire, grain to grain
The pressure of generation promotes the piston movement of valve, finally realizes valve opening, therefore have in the design to the igniting property of drive device
High requirement, two grains are fiery pass above and below setting typically in drive device, and one is set between two grains
The individual distance piece being welded and fixed after the powder burning of grain so as to enter back into following grain above.
However, due to the powder burning speed in grain above, the gunpowder in grain above is not also abundant
Burning may have flame fusing distance piece and enter following grain, influence the igniting property of drive device, simultaneously because
Distance piece is welded and fixed, and security is relatively low.
The content of the invention
In view of this, present invention offer is a kind of can improve igniting property and the explosion valve drive of security.
A kind of explosion valve drive, it is used to produce power in the explosive valve of nuclear power station to open explosive valve, described
Explosion valve drive includes a housing, at least one input seal disc, at least one igniter, a first order gunpowder
Chamber, a second level gunpowder chamber, an output seal disc and an interior sealing component.The output seal disc is fixed in the shell
The bottom of body, the second level gunpowder chamber is arranged on the output seal disc, the interior sealing component and first order fire
Medicine chamber is successively set on the second level gunpowder chamber and the interior sealing component is connected to a fixed with the housing, it is described at least
One igniter is installed in the top of the housing, and at least one described input seal disc is fixed at least one described igniter
Bottom and form flash hole between the first order gunpowder chamber.
Compared with prior art, in the explosion valve drive that provides of the present invention using igniter, first order gunpowder chamber and
This three-level sparking mode of second level gunpowder chamber, it is ensured that the pressure of first order gunpowder intracavitary will not be crossed because of too fast release with temperature
Cause the failure of igniting, so that igniter can guarantee that flame enters first order gunpowder chamber through flash hole and makes fire in it after firing
Medicine enters second level gunpowder chamber so that its interior gunpowder fully burns after fully burning through interior sealing component, it is ensured that cutting-off valve institute
The air pressure needed, improve the igniting property of drive device, simultaneously because interior sealing component and housing are detachably connected, it is to avoid interior
The danger of seal assembly welding, improves security.
Brief description of the drawings
Fig. 1 is the schematic cross-section for the explosion valve drive that the present invention is provided.
Fig. 2 is the top view of the interior sealing component in Fig. 1.
Fig. 3 is profile of the interior sealing component along A-A directions in Fig. 2.
Main element symbol description
Explosion valve drive 100
Housing 110
Input seal disc 120
Igniter 140
First order gunpowder chamber 150a
Second level gunpowder chamber 150b
Export seal disc 160
Interior sealing component 180
Interior sealing ring body 182
Interior sealing disk 184
Fanning strip 185
Following embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Embodiment
Referring to Fig. 1, a kind of its explosion valve drive 100 for being provided for embodiment of the present invention, it is used in nuclear power
Power is produced in the explosive valve stood to open explosive valve, the explosion valve drive 100 includes housing 110, at least one
Individual input seal disc 120, at least one igniter 140, first order gunpowder chamber 150a, second level gunpowder chamber 150b,
One output seal disc 160 and an interior sealing component 180, the output seal disc 160 are fixed in the bottom in the housing 110
Portion, the second level gunpowder chamber 150b is arranged on output seal disc 160, the interior sealing component 180 and first order fire
Medicine chamber 150a is successively set on the gunpowder chamber 150b of the second level and interior sealing component 180 is connected to a fixed with housing 110, it is described extremely
A few igniter 140 is installed in the top of housing 110, and at least one described input seal disc 120 is fixed at least one point
The bottom of firearm 140.
In present embodiment, explosion valve drive 100 includes two igniters 140 and two and two igniters 140
The input seal disc 120 being correspondingly arranged respectively.It is understood that each being fastened between input seal disc 120 and igniter 140
In connection, present embodiment, the welding corresponding with input seal disc 120 of igniter 140, namely each input seal disc 120
The bottom of each correspondence igniter 140 is welded on, flash hole is formed between each input seal disc 120 and first order gunpowder chamber 150a
So that the flame after igniter fire enters first order gunpowder chamber 150a through flash hole.Generally, set in igniter 140
Less powder volume is to be lighted a fire.
Incorporated by reference to Fig. 2 and Fig. 3, interior sealing component 180 is installed in described interior close including an interior sealing ring body 182 and one
In interior sealing disk 184 on seal ring body 182, present embodiment, the interior sealing disk 184 is soldered to interior sealing ring body 182.It is interior close
Seal ring body 182 is removably fixed on housing 110, it is to be understood that interior sealing ring body 182 can be according to reality with housing 110
Any dismountable mode fixation of selection is needed in order to interior sealing component 180 dismounting and change, present embodiment according to need at any time
In, both sides 182a and the housing 110 of interior sealing ring body 182 are connected by way of screw bolt coordinates fixation, while interior
The operating range 182b corresponding with being set on interior sealing disk 184 of seal ring body 182 is in order to interior sealing ring body 182 and housing 110
Dismounting.
Interior sealing disk 184 is opened up in multiple groove 184a, present embodiment, and multiple groove 184a of interior sealing disk 184 are in
Fanning strip 185 is formed between M shape, i.e. each groove 184a, it is to be understood that groove 184a number and shape can be according to
According to sets itself is needed, groove 184a quantity is more, the igniting property meeting between interior sealing disk 184 and interior sealing ring body 182
Better.Groove 184a groove depth is less than the thickness of interior sealing disk 184, due to groove 184a setting, and flame is from first order gunpowder
Chamber 150a, which enters, can fuse groove 184a parts after the gunpowder chamber 150b of the second level and the fanning strip 185 between groove 184a is existed
The direction entered in the presence of firepower to firepower is bent, and facilitates flame to enter second level gunpowder chamber 150b and fill the gunpowder in it
Divided combustion, so as to ensure that gunpowder in first order gunpowder chamber 150a and second level gunpowder chamber 150b is clean-burning while will not be by
Interior sealing disk 184 is fused and falls into passage, it is to avoid driven explosion valve piston is influenceed during the use of drive device 100
Motion, prevent damage the corresponding critical component of explosive valve so that interior sealing disk 184 keep some tension while again just
In entering second level gunpowder chamber 150b after first order gunpowder chamber 150a powder burning.
In present embodiment, the ratio of powder volume is 1 in powder volume and first order gunpowder chamber 150a in igniter 140:380
And igniter 140 is in the case where size of current is only 3.7A (ampere) function of current 10ms (millisecond), first order gunpowder chamber
150a also can fully burn with the gunpowder in the gunpowder chamber 150b of the second level, so as to realize that explosion valve drive 100 can be with minimum
Ignition energy complete the igniting of big dose.
In the explosion valve drive 100 that the present invention is provided, using igniter 140, first order gunpowder chamber 150a and second
Level gunpowder chamber 150b pass this three-level sparking mode of fire, and first order gunpowder is ensured by the setting of interior sealing component 180
Pressure in chamber 150a will not be crossed with temperature causes the failure of igniting because of too fast release, so that igniter 140 is after firing
It can guarantee that flame enters first order gunpowder chamber 150a through flash hole and its interior gunpowder is entered after fully burning through interior sealing component 180
Second level gunpowder chamber 150b, due to opening up fluted 184a on the interior sealing disk 184 of interior sealing component 180, flame is in fusing
The corresponding positions of the upper groove 184a of seal disc 184 and make the only bending downwards of fanning strip 185 and enter second in the case of not fusing
Level gunpowder chamber 150b makes the gunpowder in it fully burn, so as to ensure that gunpowder is clean-burning while avoiding interior sealing disk 184 from melting
Break into second level gunpowder chamber 150b, improve the igniting property of drive device 100.Simultaneously as the examination of test behavior of powder
Test more, interior sealing ring body and housing 110 are removably secured such as helicitic texture, easy to operate, effectively reduce the testing time,
It it also avoid welding the danger that interior sealing component 180 is brought simultaneously, improve security.
It is understood that for the person of ordinary skill of the art, can be done with technique according to the invention design
Go out other various corresponding changes and deformation, and all these changes and deformation should all belong to the protection model of the claims in the present invention
Enclose.
Claims (4)
1. a kind of explosion valve drive, it is used to produce power in the explosive valve of nuclear power station to open explosive valve, described quick-fried
Broken valve drive include a housing, at least one input seal disc, at least one igniter, first order gunpowder chamber,
One second level gunpowder chamber, an output seal disc and an interior sealing component, the output seal disc are fixed in the housing
Bottom, the second level gunpowder chamber is arranged on the output seal disc, the interior sealing component and the first order gunpowder
Chamber is successively set on the second level gunpowder chamber and the interior sealing component and the detachably connectable fixation of the housing, institute
State the top that at least one igniter is installed in the housing, at least one described input seal disc be fixed in it is described at least one
The bottom of igniter simultaneously forms flash hole between the first order gunpowder chamber, and the interior sealing component includes an inner seal ring
Body and an interior sealing disk being installed in the interior sealing ring body, the interior sealing disk opens up multiple grooves, the multiple recessed
Groove is in M shape, and interior sealing ring body is with setting corresponding operating range on interior sealing disk.
2. explosion valve drive as claimed in claim 1, it is characterised in that the explosion valve drive includes two points
Firearm and two input seal discs, described two igniters are separately positioned on the case top both sides and each input sealing
The disk corresponding bottom for being arranged on each igniter respectively.
3. explosion valve drive as claimed in claim 1 or 2, it is characterised in that the interior sealing disk is soldered in described
Seal ring body.
4. explosion valve drive as claimed in claim 1 or 2, it is characterised in that the interior sealing ring body and the housing
It is fixedly connected by screw-in version.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510430104.0A CN105065754B (en) | 2015-07-21 | 2015-07-21 | Explosion valve drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510430104.0A CN105065754B (en) | 2015-07-21 | 2015-07-21 | Explosion valve drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105065754A CN105065754A (en) | 2015-11-18 |
| CN105065754B true CN105065754B (en) | 2017-11-07 |
Family
ID=54495203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510430104.0A Active CN105065754B (en) | 2015-07-21 | 2015-07-21 | Explosion valve drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105065754B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499802B (en) * | 2016-02-03 | 2017-04-19 | 中国工程物理研究院化工材料研究所 | Blasting valve cartridge case sealed welding device and method |
| CN105605280A (en) * | 2016-02-04 | 2016-05-25 | 中国工程物理研究院化工材料研究所 | Cartridge case structure for explosion valves |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2707752B1 (en) * | 1993-06-28 | 1995-09-22 | Giat Ind Sa | Safety priming chain for explosive charge. |
| CN200972374Y (en) * | 2006-09-29 | 2007-11-07 | 张晓志 | Ignitor |
| CN101975534B (en) * | 2010-05-17 | 2015-04-01 | 中国兵器工业第二一三研究所 | Insensitive electric igniter for nuclear blast valve |
| CN104180731B (en) * | 2014-07-24 | 2015-11-04 | 中国工程物理研究院化工材料研究所 | Simulation cartridge case and the method with its detection explosive valve drive unit flame transfer dependability |
| CN204942694U (en) * | 2015-07-21 | 2016-01-06 | 中船重工特种设备有限责任公司 | Explosive valve drive unit |
-
2015
- 2015-07-21 CN CN201510430104.0A patent/CN105065754B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105065754A (en) | 2015-11-18 |
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