CN105065754A - Driving device of explosion valve - Google Patents
Driving device of explosion valve Download PDFInfo
- Publication number
- CN105065754A CN105065754A CN201510430104.0A CN201510430104A CN105065754A CN 105065754 A CN105065754 A CN 105065754A CN 201510430104 A CN201510430104 A CN 201510430104A CN 105065754 A CN105065754 A CN 105065754A
- Authority
- CN
- China
- Prior art keywords
- seal disc
- drive unit
- explosive valve
- valve drive
- gunpowder chamber
- 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.)
- Granted
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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
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention provides a driving device of an explosion valve. The driving device is used for generating power in the explosion valve of a nuclear power plant to open the explosion valve and comprises a shell, at least one input seal disc, at least one igniter, a first-stage powder cavity, a second-stage powder cavity, an output seal disc and an inner sealing assembly. The output seal disc is fixedly connected to the bottom of the shell, and the second-stage powder cavity is formed in the output seal disc; the inner sealing assembly and the first-stage powder cavity are sequentially arranged on the second-stage powder cavity, and the inner sealing assembly is connected with the shell; the igniters are fixedly arranged at the top of the shell, and the input seal discs are fixedly connected to the bottoms of the igniters, and flash holes are formed between the input seal discs and the first-stage powder cavity. A three-stage ignition mode of the igniters, the first-stage powder cavity and the second-stage powder cavity is adopted in the driving device, and after ignition, it is guaranteed that after powder in the first-stage powder cavity is fully combusted, flames pass through the inner sealing assembly to enter the second-stage powder cavity to enable powder in the second-stage powder cavity to be fully combusted, so that the flame transferring performance is improved; the inner sealing assembly is detachably connected with the shell, so that safety is improved.
Description
Technical field
The present invention relates to firepower actuation techniques, particularly relate to a kind of explosive valve drive unit be applied in nuclear power station.
Background technique
At present, the last safe outpost of the tax office together at nuclear power station borehole blasting valve, when nuclear power station has an accident, the igniter that need trigger in drive unit is fought immediately after receiving valve opening signal to powder flask and is passed fire, the pressure that in powder flask, gunpowder rapid combustion produces promotes the piston movement of valve, finally realize valve opening, therefore in the design the igniting property of drive unit is had higher requirements, upper and lower two powder flasks are generally set in drive unit and carry out biography fire, a distance piece be welded and fixed is set between two powder flasks with powder flask below entering again after the powder burning of powder flask above making.
But, due to the powder burning speed in powder flask above, the gunpowder above in powder flask also non-Thorough combustion just may have flame to fuse distance piece and enter into powder flask below, affects the igniting property of drive unit, being welded and fixed due to distance piece simultaneously, Security is lower.
Summary of the invention
In view of this, the invention provides a kind of explosive valve drive unit that can improve igniting property and Security.
A kind of explosive valve drive unit, it for producing power to open explosive valve in the explosive valve of nuclear power station, and described explosive valve drive unit comprises a housing, at least one input seal disc, at least one igniter, a first order gunpowder chamber, gunpowder chamber, a second level, an output seal disc and an interior black box.Described output seal disc is fixed in the bottom of described housing, gunpowder chamber, the described second level is arranged on described output seal disc, described interior black box and described first order gunpowder chamber are successively set on gunpowder chamber, the described second level and described interior black box and described housing are connected to a fixed, at least one igniter described is installed in the top of described housing, and at least one input seal disc described is fixed in the bottom of at least one igniter described and and forms flash hole between described first order gunpowder chamber.
Compared with prior art, igniter is adopted in explosive valve drive unit provided by the invention, this three grades of firing mode in first order gunpowder chamber and gunpowder chamber, the second level, pressure in guarantee first order gunpowder chamber and temperature can not cross the inefficacy causing because of too fast release lighting a fire, thus flame enters first order gunpowder chamber through flash hole and makes to enter gunpowder chamber, the second level to make gunpowder Thorough combustion in it through interior black box after gunpowder Thorough combustion in it to make igniter can ensure after firing, ensure that the air pressure needed for cutting-off valve, improve the igniting property of drive unit, removably connecting simultaneously due to interior black box and housing, avoid the danger that interior black box welds, improve Security.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of explosive valve drive unit provided by the invention.
Fig. 2 is the plan view of the interior black box in Fig. 1.
Fig. 3 be in Fig. 2 in black box along the sectional drawing in A-A direction.
Primary component symbol description
Explosive valve drive unit 100
Housing 110
Input seal disc 120
Igniter 140
First order gunpowder chamber 150a
Gunpowder chamber, second level 150b
Export seal disc 160
Interior black box 180
Inner seal ring body 182
Interior seal disc 184
Fanning strip 185
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, its a kind of explosive valve drive unit 100 provided for embodiment of the present invention, it for producing power to open explosive valve in the explosive valve of nuclear power station, described explosive valve drive unit 100 comprises a housing 110, at least one inputs seal disc 120, at least one igniter 140, a first order gunpowder chamber 150a, second level gunpowder chamber 150b, one exports seal disc 160 and an interior black box 180, described output seal disc 160 is fixed in the bottom in described housing 110, described second level gunpowder chamber 150b is arranged on and exports on seal disc 160, described interior black box 180 and described first order gunpowder chamber 150a are successively set on the 150b of gunpowder chamber, the second level on and interior black box 180 and housing 110 are connected to a fixed, at least one igniter 140 described is installed in the top of housing 110, at least one input seal disc 120 described is fixed in the bottom of at least one igniter 140.
In present embodiment, explosive valve drive unit 100 comprises two igniters 140 and two and two igniters 140 corresponding input seal discs 120 arranged respectively.Be understandable that, be fastenedly connected between each input seal disc 120 and igniter 140, in present embodiment, igniter 140 and the corresponding welding of input seal disc 120, also namely each input seal disc 120 is welded on the bottom of each corresponding points firearm 140, forms flash hole and enter first order gunpowder chamber 150a to make the flame after igniter fire through flash hole between each input seal disc 120 and first order gunpowder chamber 150a.Generally, less powder volume is set in igniter 140 to light a fire.
Incorporated by reference to Fig. 2 and Fig. 3, interior black box 180 comprises an inner seal ring body 182 and an interior seal disc 184 be installed on described inner seal ring body 182, and in present embodiment, described interior seal disc 184 is soldered to inner seal ring body 182.Inner seal ring body 182 is removably fixed on housing 110, be understandable that, inner seal ring body 182 and housing 110 any dismountable mode can be selected to fix according to actual demand so that interior black box 180 dismounting and change according to need at any time, in present embodiment, the both sides 182a of inner seal ring body 182 coordinates fixing mode to be connected and fixed with housing 110 by screw bolt, simultaneously inner seal ring body 182 to interior seal disc 184 arranges 182b between corresponding control panel so that the dismounting of inner seal ring body 182 and housing 110.
Interior seal disc 184 offers multiple groove 184a, in present embodiment, multiple groove 184a of interior seal disc 184 are meter-shape, namely fanning strip 185 is formed between each groove 184a, be understandable that, the quantity of groove 184a and shape can according to needs sets itself, and the quantity of groove 184a is more, and the igniting property between interior seal disc 184 and inner seal ring body 182 can be better.The groove depth of groove 184a is less than the thickness of interior seal disc 184, due to the setting of groove 184a, flame enters after the 150b of gunpowder chamber, the second level can the fanning strip 185 between groove 184a be bent to the direction that firepower enters under the effect of firepower the fusing of groove 184a part from first order gunpowder chamber 150a, flame is facilitated to enter second level gunpowder chamber 150b and make the gunpowder Thorough combustion in it, thus ensure that interior seal disc 184 can not fuse and fall into vent while of clean-burning by gunpowder in first order gunpowder chamber 150a and gunpowder chamber, second level 150b, avoid the motion affecting driven explosive valve piston in drive unit 100 using process, prevent from damaging the corresponding critical component of explosive valve, thus enter into gunpowder chamber, second level 150b after making interior seal disc 184 be convenient to again the powder burning of first order gunpowder chamber 150a while maintenance some tension.
In present embodiment, in igniter 140 in powder volume and the first order gunpowder chamber 150a ratio of powder volume be 1:380 and igniter 140 when size of current is only function of current 10ms (millisecond) of 3.7A (ampere), gunpowder in first order gunpowder chamber 150a and gunpowder chamber, second level 150b also can Thorough combustion, thus realizes explosive valve drive unit 100 can complete large dose igniting with minimum ignition energy.
In explosive valve drive unit 100 provided by the invention, adopt igniter 140, first order gunpowder chamber 150a and gunpowder chamber, second level 150b carries out this three grades of firing mode passing fire, ensure that pressure in first order gunpowder chamber 150a and temperature can not cross the inefficacy causing because of too fast release lighting a fire by arranging of interior black box 180, thus flame enters first order gunpowder chamber 150a through flash hole and makes to enter gunpowder chamber, second level 150b through interior black box 180 after gunpowder Thorough combustion in it to make igniter 140 can ensure after firing, owing to seal disc 184 offering groove 184a in interior black box 180, flame enters the gunpowder Thorough combustion that gunpowder chamber, second level 150b makes in it downwards when making fanning strip 185 only bend and not fuse in position corresponding to seal disc 184 upper groove 184a in fusing, thus ensure gunpowder clean-burning avoid simultaneously interior seal disc 184 fuse fall into gunpowder chamber, second level 150b, improve the igniting property of drive unit 100.Meanwhile, because the test testing behavior of powder is more, inner seal ring body and housing 110 are removably fixing as worm structure, easy to operate, effectively reduce the test time, it also avoid the danger that in welding, black box 180 brings simultaneously, improve Security.
Be understandable that, for the person of ordinary skill of the art, other various corresponding change and distortion can be made by technical conceive according to the present invention, and all these change the protection domain that all should belong to the claims in the present invention with distortion.
Claims (6)
1. an explosive valve drive unit, it for producing power to open explosive valve in the explosive valve of nuclear power station, described explosive valve drive unit comprises a housing, at least one inputs seal disc, at least one igniter, a first order gunpowder chamber, gunpowder chamber, a second level, one exports seal disc and an interior black box, described output seal disc is fixed in the bottom of described housing, gunpowder chamber, the described second level is arranged on described output seal disc, described interior black box and described first order gunpowder chamber are successively set on gunpowder chamber, the described second level and described interior black box and described housing are removably connected to a fixed, at least one igniter described is installed in the top of described housing, at least one input seal disc described is fixed in the bottom of at least one igniter described and and forms flash hole between described first order gunpowder chamber.
2. explosive valve drive unit as claimed in claim 1, it is characterized in that, described explosive valve drive unit comprises two igniters and two input seal discs, and described two igniters are separately positioned on described case top both sides and described each input seal disc corresponding bottom being arranged on described each igniter respectively.
3. explosive valve drive unit as claimed in claim 1, it is characterized in that, described interior black box comprises an inner seal ring body and an interior seal disc be installed on described inner seal ring body, and described interior seal disc offers multiple groove.
4. explosive valve drive unit as claimed in claim 3, it is characterized in that, described multiple groove is meter-shape.
5. explosive valve drive unit as claimed in claim 3, it is characterized in that, described interior seal disc is soldered to described inner seal ring body.
6. explosive valve drive unit as claimed in claim 3, it is characterized in that, described inner seal ring body is fixedly connected with by screw-in version with described housing.
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 true CN105065754A (en) | 2015-11-18 |
| CN105065754B CN105065754B (en) | 2017-11-07 |
Family
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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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499802A (en) * | 2016-02-03 | 2016-04-20 | 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5524543A (en) * | 1993-06-28 | 1996-06-11 | Giat Industries | Safety priming system for an explosive charge |
| CN200972374Y (en) * | 2006-09-29 | 2007-11-07 | 张晓志 | Ignitor |
| CN101975534A (en) * | 2010-05-17 | 2011-02-16 | 中国兵器工业第二一三研究所 | Insensitive electric igniter for nuclear blast valve |
| CN104180731A (en) * | 2014-07-24 | 2014-12-03 | 中国工程物理研究院化工材料研究所 | Simulated cartridge case and methods for detecting fire transferring reliability of explosion valve drive device by simulated cartridge case |
| 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
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5524543A (en) * | 1993-06-28 | 1996-06-11 | Giat Industries | Safety priming system for an explosive charge |
| CN200972374Y (en) * | 2006-09-29 | 2007-11-07 | 张晓志 | Ignitor |
| CN101975534A (en) * | 2010-05-17 | 2011-02-16 | 中国兵器工业第二一三研究所 | Insensitive electric igniter for nuclear blast valve |
| CN104180731A (en) * | 2014-07-24 | 2014-12-03 | 中国工程物理研究院化工材料研究所 | Simulated cartridge case and methods for detecting fire transferring reliability of explosion valve drive device by simulated cartridge case |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499802A (en) * | 2016-02-03 | 2016-04-20 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105065754B (en) | 2017-11-07 |
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