CN106195384B - A kind of ventilating system high anti-seismic type explosion-wave-preventing valve - Google Patents
A kind of ventilating system high anti-seismic type explosion-wave-preventing valve Download PDFInfo
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- CN106195384B CN106195384B CN201610760922.1A CN201610760922A CN106195384B CN 106195384 B CN106195384 B CN 106195384B CN 201610760922 A CN201610760922 A CN 201610760922A CN 106195384 B CN106195384 B CN 106195384B
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Abstract
The invention discloses a kind of ventilating system high anti-seismic type explosion-wave-preventing valve, plural valve element including valve buckle and on valve buckle, the valve buckle includes rectangular frame, plural H profile steel, plural stiffener plate, plural triangle boss and plural pressing plate, the rectangular frame has surface frame and side frame, and the left and right sides of the side frame have the shelves bar of inside bending, the triangle boss is welded on grade between bar and surface frame at equal intervals, the H profile steel frame is weldingly fixed in rectangular frame, it is arranged in parallel with left and right sides, the stiffener plate is weldingly fixed between H profile steel frame and between H profile steel and rectangular frame side at equal intervals, the valve element is arranged on surface frame surface, the back side is fixed by pressing plate.The present invention provides a kind of ventilating system high anti-seismic type explosion-wave-preventing valve, and its insertion is intraoral installed in entering for ventilation system for buildings, while enables explosion-wave-preventing valve to have high shock resistance using the cooperation of a variety of reinforcement structures.
Description
Technical field
The present invention relates to a kind of explosion-wave-preventing valve, more particularly to a kind of ventilating system being inlaid in ventilating opening high anti-seismic type
Explosion-wave-preventing valve.
Background technology
In nuclear power field, in order to prevent accident from being impacted to nuclear island factory building, the building structure of its nuclear island factory building must
Explosion resistant structure must be used, its ventilating system also has to reach identical or higher antiknock rating, generally in ventilating system
Entrance can install explosion-wave-preventing valve, to resist the damage of blast wave or cyclone to ventilating system, and then ensure that ventage is under the overall leadership
Road and the integrality of equipment, in general explosion-wave-preventing valve are directly installed on the metope outside ventilating system entrance, but
Nuclear power explosion time also has a strenuous vibration in addition to having shock wave, and this structural stability that is directly installed on exterior wall is poor,
Easily come off under the impact of strenuous vibration or blast wave, and then ventilating system is influenceed.
The content of the invention
Goal of the invention：To solve the defects of prior art, a kind of ventilating system high anti-seismic type explosion-wave-preventing valve is now provided, its
It is embedded intraoral installed in entering for ventilation system for buildings, while cause explosion-wave-preventing valve to have height anti-using the cooperation of a variety of reinforcement structures
Shock stability.
Technical scheme：A kind of ventilating system of the present invention high anti-seismic type explosion-wave-preventing valve, including valve buckle and installation
Plural valve element on valve buckle, the valve buckle include rectangular frame, plural H profile steel, plural stiffener plate, plural triangle boss
And plural pressing plate, the rectangular frame has surface frame and side frame, and the left and right sides of the side frame have inwardly
The shelves bar of bending, the triangle boss are welded on grade between bar and surface frame at equal intervals, and the H profile steel is weldingly fixed on rectangle frame
Arranged in parallel with left and right sides in frame, the stiffener plate is weldingly fixed at equal intervals between H profile steel and H profile steel and square
Between shape frame sides, the valve element is arranged on surface frame surface, and the back side is fixed by pressing plate.
The surface frame is surrounded by plural mounting hole, and angle steel is provided with by fastener.
The spacing distance of the triangle boss is 150 ~ 360mm.
The spacing distance of the stiffener plate is 275 ~ 450mm, and the stiffener plate thickness is 8mm.
The both ends of the stiffener plate being arranged between H profile steel are in the H-type groove of H profile steel.
The stiffener plate being arranged between H profile steel and side frame, its one end is in the H-type groove of H profile steel, the other end
Between shelves bar and surface frame.
The H profile steel is provided with hanger.
Beneficial effect：Disclosed a kind of ventilating system high anti-seismic type explosion-wave-preventing valve, suitable for gigawatt
All ventilating systems of level advanced pressurized water reactor nuclear power generating sets nuclear island, and 280 DEG C of high temperature can be resisted, the duration is more than 30min,
Minimum 2500 ± 50Pa of closing presure（Shock wave）, 2500 ± 50Pa（Cyclone）, the shut-in time is not more than 2ms, while can also
The shaking force that shock wave or cyclone are brought is effective against, prevents dropping for explosion-wave-preventing valve, and then protects ventilating system not
It is impacted.
Brief description of the drawings
Fig. 1 is the side sectional view after present invention installation；
Fig. 2 is positive structure schematic of the present invention；
Fig. 3 is structure schematic diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawing of the present invention, clear, complete description is carried out to the technical scheme of the embodiment of the present invention.
As shown in Fig. 1 ~ 3, a kind of disclosed ventilating system high anti-seismic type explosion-wave-preventing valve, ventage is inlaid in
Entering for system is intraoral, a ring recess steel 1 is embedded with the entrance inwall of ventilating system, the explosion-wave-preventing valve is welded by angle steel 2 and channel-section steel 1
Connect fixation.
The explosion-wave-preventing valve includes valve buckle 3, multiple valve elements 4, multiple H profile steels 5, multiple stiffener plates 6, multiple triangles reinforcements
Block 7 and multiple pressing plates 8, the valve buckle 3 include the surface frame 9 of rectangle, are vertically welded in the side frame 10 of the surrounding of surface frame 9, described
The left and right sides of side frame 10 has the shelves bar 11 of inside bending, and the interval of triangle boss 7 is welded on grade bar 11 and surface frame 9
Between, play a part of Auxiliary support from side, and the spacing distance between triangle boss is 150 ~ 360mm, the surface frame 9
It is surrounded by plural number and hole 12 is fixedly mounted, is fixed surface frame 9 and angle steel 2 by fastener, the H profile steel 5 is welded in valve buckle 3
It is parallel with the left and right sides of side frame 10.
Stiffener plate 6 is welded between the H profile steel frame 5 at equal intervals, and the both ends of stiffener plate 6 are embedded in the H-type groove of H profile steel
It is vertically arranged in 13 and with H-type groove 13, stiffener plate 6 is equally welded with equal intervals between the H profile steel frame 5 and side frame 10,
And the one end of stiffener plate 6, in the H-type groove 13 of H profile steel, the other end is embedded between shelves bar 11 and surface frame 9, the stiffener plate 6
Between spacing be 275 ~ 450mm, and the stiffener plate uses the stainless steel after 8mm, and the pressing plate is placed on panel and H types
Steel back face, the valve element 4 are arranged on panel and H profile steel front, press fixation by fastener between each other so that valve element is in length and breadth
Surface frame surface is distributed in, being provided with hanger 14 in the H profile steel 9 is easily installed.
The valve element uses ANDAIR antiknock valve elements, and it can resist 280 DEG C of high temperature, and the duration is more than 30min, minimum
2500 ± 50Pa of closing presure（Shock wave）, 2500 ± 50Pa（Cyclone）, the shut-in time of explosion-wave-preventing valve is not more than 2ms.
Although valve element can carry out certain isolation to cyclone or explosion wave, most of impulsive force is still
Valve buckle is needed to carry out disperseing to fall, this allows for valve buckle and needs to have certain anti-seismic performance, and the valve buckle in the present invention uses angle steel
Channel-section steel with being embedded in wall is fixed, and can play certain cushioning effect, while strengthen using stiffener plate and triangle
Block carries out reinforcement support from rear portion, reaches certain antihunt action.
Antidetonation test is carried out to the explosion-wave-preventing valve of the present invention using experimental data below, wherein：
Testing equipment
Simulated earthquake vibration stand
Mesa dimensions： 4m×4m
Direction of vibration：X, the direction six degree of freedom of Y, Z tri-
Maximum displacement： X：±100mm Y：±50mm Z：±50mm
Maximal rate： X：±1000mm/s Y：±600mm/s Z：±600mm/s
Peak acceleration： X：± 4.0g, Y:± 2.0g, Z: ±4.0g
Maximum test specimen weight：25 tons
Frequency range：0.1~100Hz data collecting systems
Data collecting system
Port number： 128
Sample frequency：1Hz~2kHz
Signal amplifies：1~10000.
Acceleration transducer：Using piezoelectric acceleration transducer, Hz-KHz：0.2~300Hz.
Strain transducer：Using electric resistance wire strain gauge, Hz-KHz：0.0~300Hz.
Experimental enviroment
Tested in normal atmospheric conditions it.Ordinary atmospheric conditions are as follows：Temperature：- 25 DEG C~35 DEG C；Relative humidity：
≤95%。
Test method
Dynamic characteristic exploratory test
Input white noise, detect the parameters such as the intrinsic dynamic characteristic i.e. natural frequency of vibration, the damping ratio of explosion-wave-preventing valve.
SL-1 seismic tests
Explosion-wave-preventing valve bears 5 SL-1 earthquake certification tests under the conditions of dry run（1/2SSE is tested）.
SL-2 seismic tests
Explosion-wave-preventing valve bears 1 SL-2 earthquake certification test under the conditions of dry run（SSE is tested）
Result of the test
Range estimation is complete by sample machine, and flawless and deformation, structural connection non-loosening come off；
Can normally it be opened and closed after experiment by sample machine；
By consistent with performance after experiment before sample machine shock test.
The technology contents and technical characteristic of the present invention have revealed that as above, but those skilled in the art still may base
Make a variety of replacements and modification without departing substantially from spirit of the present invention in the announcement of the present invention, therefore, the scope of the present invention should be unlimited
In the content disclosed in embodiment, and various replacements and modification without departing substantially from the present invention should be included, and be present patent application right
It is required that covered.
Claims (7)
1. a kind of ventilating system high anti-seismic type explosion-wave-preventing valve, including valve buckle and the plural valve element on valve buckle, it is special
Sign is：The valve buckle includes rectangular frame, plural H profile steel, plural stiffener plate, plural triangle boss and plural number pressure
Plate, the rectangular frame has surface frame and side frame, and the left and right sides of the side frame have the shelves bar of inside bending,
The triangle boss is welded on grade between bar and surface frame at equal intervals, and the H profile steel is weldingly fixed in rectangular frame, with left and right
Two sides are arranged in parallel, the stiffener plate be weldingly fixed at equal intervals between H profile steel and H profile steel and rectangular frame side it
Between, the valve element is arranged on surface frame surface, and the back side is fixed by pressing plate.
2. ventilating system according to claim 1 high anti-seismic type explosion-wave-preventing valve, it is characterised in that：The surface frame surrounding is set
There is plural mounting hole, angle steel is provided with by fastener.
3. ventilating system according to claim 1 high anti-seismic type explosion-wave-preventing valve, it is characterised in that：The triangle boss
Spacing distance be 150~360mm.
4. ventilating system according to claim 1 high anti-seismic type explosion-wave-preventing valve, it is characterised in that：The stiffener plate
Spacing distance is 275~450mm, and the stiffener plate thickness is 8mm.
5. ventilating system according to claim 1 high anti-seismic type explosion-wave-preventing valve, it is characterised in that：Installed in H profile steel it
Between the stiffener plate both ends embedded in H profile steel H-type groove in.
6. ventilating system according to claim 1 high anti-seismic type explosion-wave-preventing valve, it is characterised in that：Installed in H profile steel with
The stiffener plate between side frame, in the H-type groove of H profile steel, the other end is embedded between shelves bar and surface frame its one end.
7. ventilating system according to claim 1 high anti-seismic type explosion-wave-preventing valve, it is characterised in that：Set in the H profile steel
There is hanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760922.1A CN106195384B (en) | 2016-08-30 | 2016-08-30 | A kind of ventilating system high anti-seismic type explosion-wave-preventing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760922.1A CN106195384B (en) | 2016-08-30 | 2016-08-30 | A kind of ventilating system high anti-seismic type explosion-wave-preventing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106195384A CN106195384A (en) | 2016-12-07 |
| CN106195384B true CN106195384B (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610760922.1A Active CN106195384B (en) | 2016-08-30 | 2016-08-30 | A kind of ventilating system high anti-seismic type explosion-wave-preventing valve |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04290686A (en) * | 1991-01-11 | 1992-10-15 | Tokyo Gas Co Ltd | Purging of shaft seal part of pneumatic drive regulating valve and shaft seal part purging type pneumatic drive regulating valve |
| CN201651352U (en) * | 2010-03-18 | 2010-11-24 | 大连兆和科技发展有限公司 | Pneumatic air valve |
| CN103899821A (en) * | 2012-12-28 | 2014-07-02 | 南通大通宝富风机有限公司 | Adjusting door added with electric actuator bracket |
| CN203770677U (en) * | 2014-04-08 | 2014-08-13 | 南通大通宝富风机有限公司 | High-temperature-resistant radiation-resistant air valve provided with metal elastic pieces |
| CN205118358U (en) * | 2015-09-14 | 2016-03-30 | 李宝龄 | Pressure relief device of dust explosion |
| CN206036332U (en) * | 2016-08-30 | 2017-03-22 | 南通大通宝富风机有限公司 | Ventilation system is with high antidetonation type explosion - proof wave valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3122159U (en) * | 2006-03-24 | 2006-06-01 | ニチハ株式会社 | Seismic reinforcement structure for buildings |
-
2016
- 2016-08-30 CN CN201610760922.1A patent/CN106195384B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04290686A (en) * | 1991-01-11 | 1992-10-15 | Tokyo Gas Co Ltd | Purging of shaft seal part of pneumatic drive regulating valve and shaft seal part purging type pneumatic drive regulating valve |
| CN201651352U (en) * | 2010-03-18 | 2010-11-24 | 大连兆和科技发展有限公司 | Pneumatic air valve |
| CN103899821A (en) * | 2012-12-28 | 2014-07-02 | 南通大通宝富风机有限公司 | Adjusting door added with electric actuator bracket |
| CN203770677U (en) * | 2014-04-08 | 2014-08-13 | 南通大通宝富风机有限公司 | High-temperature-resistant radiation-resistant air valve provided with metal elastic pieces |
| CN205118358U (en) * | 2015-09-14 | 2016-03-30 | 李宝龄 | Pressure relief device of dust explosion |
| CN206036332U (en) * | 2016-08-30 | 2017-03-22 | 南通大通宝富风机有限公司 | Ventilation system is with high antidetonation type explosion - proof wave valve |
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| Publication number | Publication date |
|---|---|
| CN106195384A (en) | 2016-12-07 |
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