CN106403741B - A kind of waste and old explosive blast apparatus for destroying - Google Patents
A kind of waste and old explosive blast apparatus for destroying Download PDFInfo
- Publication number
- CN106403741B CN106403741B CN201610430090.7A CN201610430090A CN106403741B CN 106403741 B CN106403741 B CN 106403741B CN 201610430090 A CN201610430090 A CN 201610430090A CN 106403741 B CN106403741 B CN 106403741B
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- China
- Prior art keywords
- wall
- waste
- blast apparatus
- destroying
- explosive blast
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- 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
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
- F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of waste and old explosive blast apparatus for destroying, including the agent structure (1) being arranged on foundation structure (5) and outer protecting wall (3), described agent structure (1) includes the crown wall (11) of spherical cap structure and the side wall (12) of cylindrical surface structure, some disengaging entrances (4) are provided with side wall (12), outer protecting wall (3) is arranged on the opening position of the outside face disengaging entrance (4) of agent structure (1)；Some steam vents (2) are provided with described crown wall (11).The present invention can effectively absorb and cut down shock wave caused by explosive, control the damage effect of fragmentation, prevent bomb fragments from flying out, and extend the service life of facility by more changeable liner.
Description
Technical field
The invention belongs to explosive field, more particularly to a kind of waste and old explosive blast apparatus for destroying.
Background technology
, can be to whole knot because explosive explodes in Destruction Establishment on ground in waste and old explosive explodes and destroys work
Structure facility damages load.The part for acting on direction of air can be in the form of explosion wave and explosion product to surrounding
Target is destroyed, and acts on the part in ground direction and energy transmission and destruction can be carried out in the form of seismic wave.This two
Kind failing load has main destruction to the structure of whole facility, so how to weaken shock wave seismic wave and go, shed
Explosion product with ensure installation security be structural facilities emphasis where.The effect of explosion product can make charge shell and week simultaneously
The sandstone enclosed is flown with very high initial velocity to surrounding, and the inwall of facility is destroyed, therefore the design to destroying equipment proposes
Higher requirement.The damage radius of slungshot is very big simultaneously, when opening up the opening of unloading shock wave, to avoid slungshot from flying out and set
Apply, surrounding is destroyed, and the key that facility is implemented.
The content of the invention
To solve the above problems, the present invention proposes a kind of waste and old explosive blast apparatus for destroying, in the same of security protection
When can effectively absorb and cut down shock wave caused by explosive, control the damage effect of fragmentation, prevent bomb fragments from flying out, extend
The service life of facility.
Technical scheme is as follows：
A kind of waste and old explosive blast apparatus for destroying, including the agent structure being arranged on foundation structure and outer protecting wall,
Described agent structure includes the crown wall of spherical cap structure and the side wall of cylindrical surface structure, and some disengaging entrances are provided with side wall,
Outer protecting wall is arranged on the opening position of the outside face disengaging entrance of agent structure；Some exhausts are provided with described crown wall
Hole.
In the above-mentioned transfer transport case for Waste Distillers'Grain, sandy soil are provided with the foundation structure inside the agent structure
Overcoat.
In the above-mentioned transfer transport case for Waste Distillers'Grain, the relatively thin pie knot in thicker periphery centered on sandy soil overcoat
Structure.
In the above-mentioned transfer transport case for Waste Distillers'Grain, the inwall of crown wall and side wall is provided with inner lining structure.
In the above-mentioned transfer transport case for Waste Distillers'Grain, inner lining structure is detachable steel plate.
In the above-mentioned transfer transport case for Waste Distillers'Grain, axis direction and the steam vent and the crown wall center of curvature of steam vent
The inclined angle in line direction.
In the above-mentioned transfer transport case for Waste Distillers'Grain, crown wall and side wall are reinforced concrete structure.
The beneficial effects of the invention are as follows：
(1) Design of Main Structure is two parts, and crown wall is the reinforced concrete canopy of curved surface, it is ensured that is uniformly born
Load, sidewall structure are designed as the face of cylinder, the support superstructure that can stablize, and carry the effect that whole facility is subject to.
(2) direction of steam vent and the direction of explosion product are at a certain angle, so when explosion product promotes gas fortune
When moving steam vent, gas is excluded because its fluid behaviour can turn to by steam vent, and slungshot can be touched and rebounded on hole wall
Return in facility, prevent fragmentation flies out from damaging.
(3) inner liner portion is loaded onto on agent structure inwall, inwall can be protected not to be damaged, it is ensured that whole facility is carried,
And liner can be changed in time, it is ensured that the service life of facility.
(4) foundation structure upper strata sets sandy soil overcoat, has certain space between sandy soil particle, can absorb certain
Shock wave energy, while increase the distance of explosion center and reinforced concrete structure, the structure peace of concrete foundation can be ensured
Entirely.
Brief description of the drawings
Fig. 1 is the schematic device of the present invention；
Fig. 2 is the agent structure schematic cross-section of the present invention；
Fig. 3 is common vent structure schematic diagram；
Fig. 4 is the vent structure schematic diagram of the present invention；
Fig. 5 is that inner lining structure of the present invention sets schematic diagram.
In accompanying drawing, 1- agent structures；2- steam vents；The outer protecting walls of 3-；4- passes in and out entrance；5- foundation structures；6- sandy soil are prevented
Sheath；7- inner lining structures；11- crown walls；12- side walls.
Embodiment
When powder charge explosion time in atmosphere, due to the immense pressure of explosion product, explosion product outwards expands rapidly.Expansion
The explosion product equally compresses the air of surrounding as the same piston for accelerating to promote.Because explosion product is initially with high
Speed compression around air dielectric, make its pressure, density and thermal shock rise, form the very high initial impact of pressure
Ripple (about 108The order of magnitude of pa).With the continuous expansion of explosion product, just have inwardly propagated along explosion product it is sparse
Ripple.When sparse wave surface travels to the quick-fried heart, the pressure at the quick-fried heart is just begun to decline.
For different distance, the effect that target is born is also different.In the distance nearest apart from the quick-fried heart, target is born
Mainly explosion product effect：When powder charge and target distance are less than (10~20) r0, wherein r0 is powder charge half
Footpath, collective effect of the target by explosion product and shock wave；And when farther apart, target is only destroyed by air-shock wave
Effect.
It is well known that explosion time, shock wave and explosion product gradually can outwards be expanded in the form of sphere in the air for powder charge
Propagate, so the building of ball-type can uniformly carry the effect of explosion wave, but if entirely facilities design is into hemisphere
Shape, moment of flexure that whole facility is subject to is analyzed from the mechanics of materials can be very big, and stability is difficult to ensure that.So by facility floor
Part is designed as two piecemeals, and top is the reinforced concrete canopy of curved surface, it is ensured that uniformly bears to load.Substructure is set
Cylinder is calculated as, the support superstructure that can stablize, and carry the effect that whole facility is subject to.
Shown referring to Figures 1 and 2, waste and old explosive blast apparatus for destroying of the invention includes being arranged on foundation structure 5
Agent structure 1 and outer protecting wall 3, the crown wall 11 of agent structure 1 including curved-surface structure and the side wall 12 of cylindrical surface structure, wherein
Crown wall 11 uses spherical cap structure most preferably, to be provided with some disengaging entrances 4 on side wall 12, and outer protecting wall 3 is arranged on body junction
The opening position of the outside face disengaging entrance 4 of structure 1.To ensure that explosion wave will not damage effect, facility master to facility
The internal diameter of body substructure have to be larger than 5m, and wall material is thickness 80cmC80 intensity ranks armored concrete proportioning 3%
HRB400 or RRB400 (KL400) reinforcing bar, the thickness of upper reinforcement coagulation earth mulch is 50cm, and material is same as described above, and is pushing up
Some steam vents 2 are provided with wall 11, for carrying out the unloading of explosion product.
Portion body structure 1 on facility floor is designed as two piecemeals, and crown wall 11 is the reinforced concrete canopy of curved surface,
It can ensure uniformly to bear to load.The structure design of side wall 12 is cylinder, the support superstructure that can stablize, and is carried whole
The effect that individual facility is subject to.Disengaging entrance 4 is arranged on the side wall 12 of agent structure 1, and outer protecting wall 3 is arranged on agent structure 1
Outside, outer protecting wall 3 with disengaging entrance 4 be correspondingly arranged, sandy soil overcoat 6 is arranged on the upper strata of foundation structure 5.
Explosion product, if closed facility, can directly bear institute to promote the gas of surrounding to be moved to surrounding at a high speed
The destruction that some load actions are subject to can be very strong, so must have the effect that steam vent weakens explosion product.Traditional exhaust
Hole is consistent with the direction that flies out of explosion product, and steam vent can allow explosion product along hole to discharge, but fragmentation caused by exploding
It can all fly out from steam vent with slungshot, runed counter to the principle of safe design.
As shown in Figure 3 and Figure 4, steam vent 2 is provided with the present invention on crown wall 11, the deviation of steam vent 2 is set, steam vent 2
Direction and explosion product direction it is at a certain angle, that is to say, that the axis direction of steam vent 2 and steam vent 2 and crown wall 11
The inclined angle in line direction of the center of curvature.When explosion product promotes gas motion to steam vent 2, gas is due to its fluid
Characteristic can be turned to, and be excluded by steam vent 2, and slungshot can be touched on hole wall and rebounded back in facility, prevent fragmentation flies out from causing
Destroy.And conventional exhaust pore structure then easily causes explosive fragment and flown out device in Fig. 3, causes potential safety hazard.Steam vent
Size is that radius is 40cm~60cm, specific size and the distance dependent apart from the quick-fried heart, to ensure fragmentation from the quick-fried heart with any side
It can all be blocked to projecting by top cover.
In order to normally enter and exit evolutionary operation inside facility, according to the equipment facility and destroyed article size carried,
The doorframe of design is the wide 2m of high 2.5m arched door, while is transmitted to the explosion wave of substructure to unload, and opens 4
Doorframe.The outer protecting wall of design, the fragmentation for preventing from flying out from doorframe externally cause to damage simultaneously.The high 4m of outer protecting wall of design,
Wide 5m thickness is 50cm armored concrete, and material is identical with agent structure.The inwall of outer protecting wall is apart from the outer of agent structure
Wall 1.5m.
As depicted in figs. 1 and 2, foundation structure 5 uses large volume design to ensure the stability of carrying, while can ensure ground
Seismic wave is than more uniform to the load action of concrete foundation.Because direct effect of the blast impulse to underground structure is very strong,
Initially caused shock wave energy reaches 10 to explosion center8Pa rank, therefore common material can not directly bear the straight of blast impulse
Connect effect.The present invention is provided with sandy soil overcoat 6 on foundation structure 5 inside agent structure 1, centered on sandy soil overcoat 6
The relatively thin pie structure in thicker periphery.There is certain space between sandy soil particle, certain shock wave energy can be absorbed, simultaneously
Increase the distance of explosion center and reinforced concrete structure, the structure safety of concrete foundation can be ensured.Sandy soil overcoat
Thickness can ensure that foundation structure will not be directly destroyed, and design thickness is not less than 66cm away from the minimum distance of the quick-fried heart.Reinforcing bar mixes
The thickness of Xtah Crude Clay structure is the stability for ensureing whole facility, and design minimum thickness is not less than 54cm.
In blast process, explosion fragment is in the case where charging explosion produces detonation product effect, and case swells, fracture are broken
Form.The size of fragmentation is uneven, and shape is regular, and speed per hour degree is decayed quickly in atmosphere.Slungshot, fragmentation produce in detonation
Dispersed in atmosphere to surrounding in the presence of thing, hit the inwall of Destruction Establishment, can so cause facility internal-wall concrete for a long time
Fragmentation, come off, destroy the Stability Analysis of Structures of facility carrying.In order to control the damage effect of fragmentation, as shown in figure 5, facility of the present invention
Inner liner portion is loaded onto on inwall, inwall can be protected not to be damaged, it is ensured that carries whole facility, and liner can be carried out in time
Change, it is ensured that the service life of facility.
In addition destruction of the flexible inner lining material except fragmentation, slungshot can be prevented is chosen, also has and cuts down impact
The effect of ripple.Because for general explosive charge, when target range powder charge has certain distance, play detonation and mainly should
Consider the effect of air-shock wave.The parameter of description air-shock wave has three：Peak overpressure, positive pressure time and momentum.
Peak value of shock wave overpressure represents the amount of shock wave momentary action, and momentum represents that superpressure continues in the range of positive pressure time
Actuating quantity.
Steel material has good plasticity, shock motion to liner above formula, and energy meeting some is delivered on Steel material
Cause Steel material that elastic deformation or plastic deformation occurs after being absorbed, shock wave can also be weakened some, while also protect
The inwall of facility.The inner lining structure of design is the thick steel plates of 12mm.On the one hand inwall can be protected not to be damaged, it is ensured that carrying is whole
Individual facility, another aspect liner can be changed in time, can extend the service life of facility.
Claims (6)
- A kind of 1. waste and old explosive blast apparatus for destroying, it is characterised in that：Including the agent structure being arranged on foundation structure (5) (1) and outer protecting wall (3), described agent structure (1) include the crown wall (11) of spherical cap structure and the side wall of cylindrical surface structure (12) some disengaging entrances (4), are provided with side wall (12), the outside face that outer protecting wall (3) is arranged on agent structure (1) is entered The opening position of gateway (4)；Some steam vents (2) are provided with described crown wall (11)；The axis side of described steam vent (2) To the inclined angle in line direction with steam vent and the crown wall center of curvature, the size of steam vent is that radius is 40cm~60cm； The inwall of crown wall (11) and side wall (12) is provided with dismountable inner lining structure (7).
- 2. waste and old explosive blast apparatus for destroying according to claim 1, it is characterised in that：In the agent structure (1) Sandy soil overcoat (6) is provided with the foundation structure (5) in portion.
- 3. waste and old explosive blast apparatus for destroying according to claim 2, it is characterised in that：Described sandy soil overcoat (6) the relatively thin pie structure in thicker periphery centered on.
- 4. waste and old explosive blast apparatus for destroying according to claim 1, it is characterised in that：The inner lining structure (7) is Steel plate.
- 5. waste and old explosive blast apparatus for destroying according to claim 1, it is characterised in that：Described crown wall (11) and side Wall (12) is reinforced concrete wall.
- 6. waste and old explosive blast apparatus for destroying according to claim 1, it is characterised in that：Described outer protecting wall (3) For reinforced concrete wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610430090.7A CN106403741B (en) | 2016-06-16 | 2016-06-16 | A kind of waste and old explosive blast apparatus for destroying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610430090.7A CN106403741B (en) | 2016-06-16 | 2016-06-16 | A kind of waste and old explosive blast apparatus for destroying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106403741A CN106403741A (en) | 2017-02-15 |
| CN106403741B true CN106403741B (en) | 2018-03-09 |
Family
ID=58005583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610430090.7A Expired - Fee Related CN106403741B (en) | 2016-06-16 | 2016-06-16 | A kind of waste and old explosive blast apparatus for destroying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106403741B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827097A (en) * | 2018-05-10 | 2018-11-16 | 中国人民解放军61489部队 | A kind of wave absorber preventing Underwater Engineering target by blast impulse wave impact |
| CN110530743B (en) * | 2019-08-28 | 2021-12-21 | 西安近代化学研究所 | Simulation experiment method for protective effect of ammunition gap high-speed fragment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4079612A (en) * | 1976-09-28 | 1978-03-21 | Polikarp Polikarpovich Smirnov | Arrangement for explosion treatment of materials |
| CA1064773A (en) * | 1977-07-29 | 1979-10-23 | Lorne R. Shrum | Tank for explosive forming |
| US6354181B1 (en) * | 1995-12-29 | 2002-03-12 | John L. Donovan | Method and apparatus for the destruction of suspected terrorist weapons by detonation in a contained environment |
| US6173662B1 (en) * | 1995-12-29 | 2001-01-16 | John L. Donovan | Method and apparatus for containing and suppressing explosive detonations |
| CN100526792C (en) * | 2006-06-21 | 2009-08-12 | 广东宏大爆破股份有限公司 | System and method of chamber destruction of bomb |
| CN203186784U (en) * | 2013-01-29 | 2013-09-11 | 三门峡市天康成套设备有限责任公司 | Tank cover for anti-explosion tank and anti-explosion tank with tank cover |
| CN205009625U (en) * | 2015-09-25 | 2016-02-03 | 豫西工业集团有限公司 | Scrap crowded garrulous processing apparatus of antitank mine powder charge |
| CN205808270U (en) * | 2016-06-16 | 2016-12-14 | 中国人民解放军理工大学 | A kind of waste and old explosive blast apparatus for destroying |
-
2016
- 2016-06-16 CN CN201610430090.7A patent/CN106403741B/en not_active Expired - Fee Related
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| CN106403741A (en) | 2017-02-15 |
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Granted publication date: 20180309 Termination date: 20210616 |
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