CN109235679A - A kind of fire-proof and explosion-proof pressure reductor - Google Patents
A kind of fire-proof and explosion-proof pressure reductor Download PDFInfo
- Publication number
- CN109235679A CN109235679A CN201811004425.4A CN201811004425A CN109235679A CN 109235679 A CN109235679 A CN 109235679A CN 201811004425 A CN201811004425 A CN 201811004425A CN 109235679 A CN109235679 A CN 109235679A
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- pressure reductor
- proof
- main body
- explosion
- fire
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/14—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against other dangerous influences, e.g. tornadoes, floods
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of fire-proof and explosion-proof pressure reductors, including pressure reductor main body, several grooves are uniformly provided in the pressure reductor main body, it further include backboard, the backboard is arranged at the pressure reductor main body back side, and the air cavity of sealing is formed between groove, make entire pressure reductor main body in backboard, air cavity, pressure reductor main body three-decker.Nian Jie between the backboard and pressure reductor main body, integrally formed or bolt seal connection.The pressure reductor main body and backboard are made of non-ferromagnetic metal plate;And the non-ferromagnetic metal plate is non-magnetic rustproof steel plate.Air or helium are filled in the air cavity.The explosion-proof pressure reductor main body is applicable in the enclosed environments such as fire, explosion, and can play the role of good explosion-proof impact.
Description
Technical field
The present invention relates to a kind of fire-proof and explosion-proof pressure reductors.
Background technique
Pressure reductor main body is mainly used for various closed fire hazard environments, such as tunnel, interior, passes through setting for pressure reductor main body
It sets, the impact forces such as explosion occurred after can generating to fire carry out certain buffering, and then weaken it and cause to scene facility
Destruction, prevent fire spread, the intensity of a fire expand, cause quadratic loss.
However, as shown in Figure 1, existing pressure reductor main body is usually by single layer general steel plate or the processing life of non-magnetic rustproof steel plate
It produces, the groove that surface is process is Open architecture, can also be applicable in common fire hazard environment, however, quick-fried
In fried environment, pressure reductor main body only relies on groove itself to resist impact force, it is generally the case that it is limited by its material and structure,
Existing pressure reductor main body can only at most bear the impact force of 0.2Pa/s, still, in actual conditions, the impact force for generation of exploding
It is greater than 0.2Pa/s, existing pressure reductor main body is also much unable to satisfy actual demand, therefore needs to improve.
Summary of the invention
The purpose of the present invention is to solve above-mentioned technical problems, provide a kind of fire-proof and explosion-proof pressure reductor, the explosion-proof decompression
Plate main body is applicable in the enclosed environments such as fire, explosion, and can play the role of good explosion-proof impact.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of fire-proof and explosion-proof pressure reductor, including pressure reductor main body are uniformly provided with several grooves in the pressure reductor main body, also
Including backboard, the backboard is arranged at the pressure reductor main body back side, and the air cavity of sealing is formed between groove, makes entire pressure reductor
Main body in backboard, air cavity, pressure reductor main body three-decker.
Preferably, Nian Jie, integrally formed or bolt seal connection between the backboard and pressure reductor main body.
As another preferred embodiment, the pressure reductor main body and backboard are made of non-ferromagnetic metal plate;And it is described non-
Ferromagnetic metal plate is non-magnetic rustproof steel plate.
Further, air is filled in the air cavity.
As another preferred embodiment, helium is filled in the air cavity.
Preferably, on the longitudinal section of the pressure reductor main body, the fluted entirety of institute is wavy.
Preferably, the longitudinal section of the groove is in the small isosceles trapezoid shape that is open.
Preferably, the longitudinal section of the groove is in rectangular shape.
As another preferred embodiment, the groove includes the barrel-shaped through slot being set up directly in pressure reductor main body, and is set
Set the dovetail groove in barrel-shaped through slot movable end;The opening of the dovetail groove is greater than its bottom.
Compared with prior art, the invention has the following advantages:
(1) present invention is sealed the groove in pressure reductor main body using backboard, and air/helium in groove is made also to form one
Fixed blocking effect, meanwhile, backboard can also realize certain blocking effect to impact force, to make entire pressure reductor main body shape
At groove, air, backboard three-decker, the three layers of blocking effect resisted layer by layer are formed to the impact force that explosion generates, reinforcing subtracts
Pressing plate main body improves its comprehensive performance to the blocking reduced pressure capabilities of impact force.
(2) groove of the invention is different from the big dovetail groove of existing circular groove or opening, effectively raises back
Contact area between plate and pressure reductor main body improves pressure reductor main body to the resistivity of impact force, and then improves recessed
The impact resistance of slot, and it is avoided that the impact force of groove surface pair impacts the plane position of pressure reductor main body.
(3) pressure reductor main body of the invention and backboard are all made of nonmagnetic metal and are made, and take into account hardness and wilfulness, resist
The effective raising that impact capacity obtains, greatly strengthens its comprehensive performance.
Detailed description of the invention
Fig. 1 is pressure reductor schematic diagram in the prior art.
Fig. 2 is the pressure reductor structural schematic diagram of drops groove of the present invention.
Fig. 3 is the pressure reductor structural schematic diagram of isosceles trapezoid shape groove of the present invention.
Fig. 4 is the pressure reductor structural schematic diagram of tubbiness groove of the present invention.
Fig. 5 is the pressure reductor structural schematic diagram of present invention combination groove.
Wherein, the corresponding title of appended drawing reference are as follows:
1- pressure reductor main body, 2- groove, 3- backboard, 4- air cavity.
Specific embodiment
The invention will be further described with embodiment for explanation with reference to the accompanying drawing, and mode of the invention includes but not only limits
In following embodiment.
The present embodiment be in order to solve pressure reductor main body in the prior art can not explosion-proof impact force and the helium that designs is anti-
Quick-fried pressure reductor main body, the pressure reductor main body can be used for various closed fire, explosion environment and pass through pressure reductor such as tunnel, interior
The setting of main body can realize buffering to the impact force that explosion generates, and then weaken and even explosion be blocked to cause scene facility
Destruction, and explode cause fire can also be depressurized plate main body blocking, prevent fire spread, the intensity of a fire expand, cause secondary
Loss.
Specifically, as shown in Figure 2-5, the explosion-proof pressure reductor main body of the present embodiment includes pressure reductor main body 1 and backboard 3, is incited somebody to action
From the point of view of pressure reductor main body 1 and backboard 3 tile, the pressure reductor main body is located at lowest level, if being uniformly provided with above pressure reductor main body
Dry groove 2, the backboard 1 are arranged above pressure reductor main body 1, and the air cavity 4 of sealing is formed between groove, in the air cavity also
Fillable gas so that entire pressure reductor main body in backboard, gas, pressure reductor main body three-decker, explosion generation is rushed
It hits power and forms the three layers of blocking effect resisted layer by layer, enhance the present embodiment pressure reductor main body and energy is depressurized to the blocking of impact force
Power.
Wherein, the gas of filling can be helium, be also possible to air, what the present embodiment was selected is helium, because of helium
For relative atmospheric, medium is dredged for wave, mechanical wave is reflected in the interface of air and helium, and is reflected and occurred in air
When side, back wave is without half-wave loss.Different from there is the back wave of half-wave loss, the back wave and incidence wave of no half-wave loss are folded
Add the standing wave of generation, amplitude is smaller compared with incidence wave, therefore its impact resistance is stronger.And it is with reeded pressure reductor main body
Whole is in wave structure, and helium is filled in its air cavity, it is assumed that pressure spike P1, P2 for generation of exploding is by the metal of pressure reductor main body
Structure is destroyed, and since process is very fast, helium is still in original position, with incident waveform at standing wave contact and will weaken air vibration,
It form pressure spike P3 reduction even can not, to reach the protecting effect to facility.
Here, groove is generally circular or trapezium structure, this formation are mainly in view of in existing pressure reductor main body
In order to easy to process, cost is reduced, but it is to the buffering effect of impact force and bad, especially circular groove, it is easy to will rush
Hit the plane that power guides un-grooved in pressure reductor main body into, and the plane position in pressure reductor main body liquidate hit power resistivity it is weak
In groove position, it can so aggravate the breakage of entire pressure reductor main body.Therefore, the present embodiment spy is by round or trapezoidal groove knot
Structure is improved.In the present embodiment, as shown in Fig. 2, groove can be in drops, i.e. groove cross section is parabolic, from
From the point of view of the longitudinal section of pressure reductor main body, the fluted entirety of institute on longitudinal section is wavy, and (in the present embodiment, institute is fluted can
To be transverse and longitudinal equidistant arrangement, it is also possible to be arranged at random) setting makes itself and backboard point contact, and it is more to contact point pole, and it is recessed
Gas can also be connected between slot and groove, furthermore the arcwall face structure of groove parabolic shape, when certain a part is impacted,
The performance of its cushion impact forces is stronger;Or as shown in figure 3, set the small isosceles trapezoid shape that is open for groove, it is different from
The small isosceles trapezoid shape of existing opening, the setting can increase the area of pressure reductor subject plane part, on the one hand make itself and back
Plate connection is stronger, on the other hand, when groove is impacted, due to itself structure and the gassiness reason of Qi Nei,
There can be better buffering effect;As shown in figure 4, groove can also be directly disposed as cylindrical shape, with isosceles trapezoid principle class
Seemingly, manufacture difficulty is relatively lower, and this will not be repeated here;In addition, as shown in figure 5, groove can also include being set up directly on pressure reductor
Barrel-shaped through slot in main body 1, and the dovetail groove of barrel-shaped through slot movable end is set;The opening of the dovetail groove is greater than its bottom
Portion, on the one hand avoids the defect of existing trapezoidal groove, for another aspect, when groove-bottom is impacted, can transmit simultaneously
To gas in barrel-shaped through slot and slot, the two shares pressure, can also play the role of good shock resistance.The present embodiment is to groove structure
Improvement, the impact resistance of groove can not only be improved, moreover it is possible to effectively avoid the impact force of groove surface pair to pressure reductor main body
Plane position impact.
In the present embodiment, as long as being capable of fixing connection between the backboard 3 and pressure reductor main body 1, and keep backboard close
Seal groove, specific connection type can be bonding, be integrally formed or bolt seal connect in any one,
Three kinds of connection types be it is very mature, this will not be repeated here.
In addition, it is contemplated that existing pressure reductor is usually calcium silicate board and cement vermiculite plate, calcium silicate board hardness is high, but toughness
Difference, and the toughness of cement vermiculite plate is strong, but intensity is inadequate, therefore, the present embodiment is special non-ferromagnetic with no 304 stainless steel plate of magnetic etc.
Property metal plate is made to make pressure reductor main body and backboard.
Above-described embodiment is only one of the preferred embodiment of the present invention, should not be taken to limit protection model of the invention
It encloses, as long as that in body design thought of the invention and mentally makes has no the change of essential meaning or polishing, is solved
The technical issues of it is still consistent with the present invention, should all be included within protection scope of the present invention.
Claims (10)
1. a kind of fire-proof and explosion-proof pressure reductor, including pressure reductor main body (1), several grooves are uniformly provided in the pressure reductor main body
(2), which is characterized in that further include backboard (3), the backboard is arranged at pressure reductor main body (1) back side, and is formed between groove
The air cavity (4) of sealing, make entire pressure reductor main body in backboard, air cavity, pressure reductor main body three-decker.
2. a kind of fire-proof and explosion-proof pressure reductor according to claim 1, which is characterized in that the backboard and pressure reductor main body it
Between bonding, be integrally formed or bolt seal connection.
3. a kind of fire-proof and explosion-proof pressure reductor according to claim 2, which is characterized in that the pressure reductor main body (1) and back
Plate (3) is made of non-ferromagnetic metal plate.
4. a kind of fire-proof and explosion-proof pressure reductor according to claim 3, which is characterized in that the non-ferromagnetic metal plate is nothing
Magnetic stainless steel plate.
5. a kind of fire-proof and explosion-proof pressure reductor according to claim 4, which is characterized in that filling is free in the air cavity (4)
Gas.
6. a kind of fire-proof and explosion-proof pressure reductor according to claim 4, which is characterized in that be filled with helium in the air cavity (4)
Gas.
7. a kind of fire-proof and explosion-proof pressure reductor described in any one according to claim 1~6, which is characterized in that the pressure reductor
On the longitudinal section of main body, institute fluted (2) is whole wavy.
8. a kind of fire-proof and explosion-proof pressure reductor described in any one according to claim 1~6, which is characterized in that the groove (2)
Longitudinal section in the small isosceles trapezoid shape of being open.
9. a kind of fire-proof and explosion-proof pressure reductor described in any one according to claim 1~6, which is characterized in that the groove (2)
Longitudinal section it is in rectangular shape.
10. a kind of fire-proof and explosion-proof pressure reductor described in any one according to claim 1~6, which is characterized in that the groove
(2) include the barrel-shaped through slot being set up directly on pressure reductor main body (1), and the dovetail groove of barrel-shaped through slot movable end is set;Institute
The opening for stating dovetail groove is greater than its bottom.
Priority Applications (1)
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CN201811004425.4A CN109235679B (en) | 2018-08-30 | 2018-08-30 | Fireproof and explosion-proof pressure reducing plate |
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CN201811004425.4A CN109235679B (en) | 2018-08-30 | 2018-08-30 | Fireproof and explosion-proof pressure reducing plate |
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CN109235679A true CN109235679A (en) | 2019-01-18 |
CN109235679B CN109235679B (en) | 2021-01-08 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110952688A (en) * | 2019-11-01 | 2020-04-03 | 中冶建筑研究总院有限公司 | Antiknock wall body |
CN112031493A (en) * | 2020-07-28 | 2020-12-04 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Novel valve hall plugging structure and anti-explosion checking method |
CN112031492A (en) * | 2020-07-28 | 2020-12-04 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Novel valve hall plugging structure and fire-resistant checking method |
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CN86105349A (en) * | 1986-09-01 | 1988-03-16 | 公安部天津消防科学研究所 | A kind of new use for explosive pressure relief plate |
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CN110952688A (en) * | 2019-11-01 | 2020-04-03 | 中冶建筑研究总院有限公司 | Antiknock wall body |
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CN112031492A (en) * | 2020-07-28 | 2020-12-04 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Novel valve hall plugging structure and fire-resistant checking method |
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