CN108802327A - A kind of vacuum explosion effect experimental rig - Google Patents
A kind of vacuum explosion effect experimental rig Download PDFInfo
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- CN108802327A CN108802327A CN201810432375.3A CN201810432375A CN108802327A CN 108802327 A CN108802327 A CN 108802327A CN 201810432375 A CN201810432375 A CN 201810432375A CN 108802327 A CN108802327 A CN 108802327A
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- 238000004880 explosion Methods 0.000 title claims abstract description 51
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 231100000331 toxic Toxicity 0.000 claims abstract description 17
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- 238000013016 damping Methods 0.000 claims abstract description 15
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 12
- 238000012806 monitoring device Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000005086 pumping Methods 0.000 claims abstract description 8
- 230000001172 regenerating effect Effects 0.000 claims abstract description 8
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 8
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 8
- 239000005060 rubber Substances 0.000 claims description 6
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/227—Explosives, e.g. combustive properties thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Combustion & Propulsion (AREA)
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Abstract
The invention discloses a kind of vacuum explosion effect experimental rigs, including tank body, the tank body upper end is separately connected vaccum-pumping equipment and pump drainage cigarette and air regenerating device by pipeline, the top of the tank is equipped with spray equipment, toxic and harmful gas monitoring device is additionally provided in the tank body, the tank body both sides are equipped with wiring sealed window and Observable window, and described tank body one end is equipped with double-layer seal door, and the tank base is equipped with detachable apparatus platform and replaceable bed course.The present invention is by being arranged spray dust's system, purification system and toxic and harmful gas monitoring device, the poisonous and harmful substance generated to explosion is monitored early warning, purification absorbs, it ensure that the safety of operating personnel when carrying out explosion effect experiment in vacuum environment to the full extent, simultaneously by the way that vibration damping groove is arranged outside device, damping material is filled with the joint face of pedestal, reduces the hazard of vibration brought due to explosion effect.
Description
Technical field
The present invention relates to explosion processing field more particularly to a kind of vacuum explosion effect experimental rigs.
Background technology
Explosion refers to that the physics drastically converted, chemical process occurs in limited volume self-energy.Explosion effect refer to
In the change procedure, along with the rapid conversion of energy, some form of interior energy of substance is converted into mechanical compression energy, light, hot spoke
The forms such as penetrate, to the starting substance or it changes product, surrounding medium generates influence.Explosion effect is related to explosive processing
(explosion synthesis, explosive forming, Explosion composite, explosive strengthening, explosion hardening etc.), explosion wave propagation law, explosive reaction
Mechanism study, explosion product detection, quick-fried raw toxic and harmful gas monitoring etc. make good use of the explosion effect of explosive, to society
The development important in inhibiting of productivity.
The existing application to explosive charge effect usually carries out in exposed environment or explosive container, and explosive container plays
Shielding and isolation explosion wave, limit the sphere of action of detonation product and fragmentation, effective protection personnel, equipment and environment
Safety, therefore, is widely used in the fields such as national defence, industry, scientific research and public safety.But it makes an uproar caused by explosion effect
Sound, vibration, toxic and harmful gas are not well controlled but.Meanwhile when carrying out explosive processing using explosive, such as quick-fried
Fried welding, explosive strengthening, explosion synthesis etc., due to the presence of air, it is easy to the defects of causing oxide, the air gap
Generation, product quality is had a serious impact, or even results in waste of resources.
CN200810190904.X discloses a kind of method of parital vacuum explosive welding, makes formation office in base compound plate gap
The explosive welding environment of portion's vacuum produces composite plate, and effect of the present invention is economic, simple disposable seal form with benefit
The confined space for including substrate and compound plate gap is constituted, which is evacuated, reduces and prevent explosive welding jet stream micro-
Grain and air reaction, improve welding quality and increase explosive welding window, realize big plate face stable detonation welding.But
This method merely provides local vacuum environment, still can be influenced by surrounding air during explosive processing, cannot
Expected explosive effect is fully achieved.
CN201621118154.1 discloses a kind of vacuum state metallic composite explosion welding apparatus, by the device without
The outdoor quick-fried field far from resident settlement need to be arrived and carry out explosive processing, only carried out in the quick-fried field of the mining of our unit, it will not be to surrounding
Resident interferes, but is not directed to the monitoring of the toxic and harmful gas generated to explosion in the device and eliminates equipment.
CN201702039295.7 discloses a kind of spherical blast container, devises and the explosive container that X-ray is shot can be used, but should
The use of explosive container be not in vacuum environment, meanwhile, to opened up window, lack internal safeguard procedures.
Invention content
Technical problems based on background technology, the present invention propose a kind of vacuum explosion effect experimental rig, pass through
Spray dust's system, purification system and toxic and harmful gas monitoring device are set, the adverse factor that explosion effect generates is carried out
Early warning ensures the safety of construction personnel, while by vibration reducing measure, reducing the hazard of vibration that explosion effect is brought.
A kind of vacuum explosion effect experimental rig proposed by the present invention, including tank body, the tank body upper end pass through pipeline point
Not Lian Jie vaccum-pumping equipment and pump drainage cigarette and air regenerating device, the pipeline that the vaccum-pumping equipment is connect with tank body be equipped with vacuumize
Pipeline valve and pressure gauge, the pipeline that the pump drainage cigarette and air regenerating device are connect with tank body are equipped with pump drainage cigarette and air refreshing tube valve
Door, the top of the tank are equipped with spray equipment, toxic and harmful gas monitoring device, the tank body both sides are additionally provided in the tank body
Equipped with wiring sealed window and Observable window, described tank body one end is equipped with double-layer seal door, and the tank base is equipped with removable
Handler platform.
Preferably, the wiring sealed window and Observable window are explosion-proof high-strength transparence watch window, the wiring
Sealed window and Observable window are located at the inboard portion setting safety device of tank body.
Preferably, the safety device includes detachable explosion-proof poly (methyl methacrylate) plate and high-transparent glass, described removable
It unloads explosion-proof poly (methyl methacrylate) plate to be bolted on the screw hole of tank body, and the high transparency glass being fixed on tank body is completely covered
Glass.
Preferably, detachable apparatus platform lower end is equipped with replaceable bed course, and the replaceable bed course is filled out by padded coaming
It fills.
Preferably, the packing material of the replaceable bed course is one or more of coarse sand, foam, rubber, wood bits.
Preferably, the tank body is fixed on reinforced concrete plinth, and pedestal supporting rack is equipped between tank body and pedestal.
Preferably, the pedestal locates below ground level, and the joint face of tank body and pedestal fills vibration-absorptive material.
Preferably, the vibration-absorptive material is rubber or sand.
Preferably, Damping ditch is equipped with around the pedestal, the bottom of the Damping ditch is connected with drainage system.
Preferably, the depth of the Damping ditch is 70-120cm.
Compared with prior art, the beneficial effects of the invention are as follows：
1, vacuum explosion effect experimental rig is compared with traditional bomb means for influencing, by providing the vacuum ring artificially founded
Border, it is possible to reduce influence of the air to test effect, while reducing shot noise；
2, vacuum explosion effect experimental rig is equipped with detachable and suspension type sampling test platform, can meet a variety of quick-fried
The demand of fried effect, it is flexibly and easily, feature-rich；
3, spray dust's system in vacuum explosion effect experimental rig, air purification and toxic and harmful gas monitor system
Automatic early-warning may be implemented, self-purging reduces the generation of safety accident to ensure that construction personnel's is healthy and safe；
4, the mating corresponding vibration damping facility of vacuum explosion effect experimental rig can reduce vibration caused by vacuum explosion
Harm, to reduce the harmful effect to context, facilitates addressing.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of axial arrangement schematic diagram of vacuum explosion effect experimental rig proposed by the present invention；
Fig. 2 is a kind of side view of vacuum explosion effect experimental rig proposed by the present invention.
Fig. 3 is a kind of observation window inboard air safeguard structure figure of vacuum explosion effect experimental rig proposed by the present invention.
In figure：1- Damping ditch, 2- vaccum-pumping equipments, 3- vacuum leads valve and pressure gauge, 4- tank bodies, 5- spray dresses
Set, 6- wiring sealed window and Observable window, 7- pump drainages cigarette and air refreshing tube valve, 8- pump drainages cigarette and air regenerating device, 9- can
The replaceable bed course of provision for disengagement platform, 10-, 11- pedestals supporting rack, 12- double-layer seals door, 13 toxic and harmful gas monitoring devices,
14- screw holes, 15- bolts, 16- detachably explosion-proof poly (methyl methacrylate) plate, 17- high-transparent glass, 18- pedestals.
Specific implementation mode
The present invention is made further to explain with reference to specific embodiment.
With reference to figure 1-3, a kind of vacuum explosion effect experimental rig, including tank body 4,4 upper end of the tank body pass through pipeline point
Not Lian Jie vaccum-pumping equipment 2 and pump drainage cigarette and air regenerating device 8, the pipeline that the vaccum-pumping equipment 2 is connect with tank body 4 be equipped with take out
Vacuum pipe valve and pressure gauge 3, the pipeline that the pump drainage cigarette and air regenerating device 8 are connect with tank body 4 are equipped with pump drainage cigarette and change
Feed channel valve 7,4 top of the tank body are equipped with spray equipment 5, and 5 external air purification spray system of spray equipment (is not shown
Go out), to be purified to the air in tank body 4, its injury to human body is avoided, poisonous and harmful gas is additionally provided in the tank body 4
Body monitoring device 13, the fixed toxic gas detector of model CGD-ZD types of toxic and harmful gas monitoring device 13, this is solid
Fixed pattern toxic gas detector number is 2, one of them is 30cm, 4 top of another and tank body at a distance from bed course top
Distance be 30cm, 4 both sides of the tank body are equipped with wiring sealed window and Observable window 6, wiring sealed window and Observable
Window 6 is explosion-proof high-strength transparence watch window, and the inside portion that wiring sealed window and Observable window 6 are located at tank body 4 is set up separately
Safety device is set, prevents from destroying wiring sealed window and Observable window 6 during explosion, improves safety,
4 one end of the tank body is equipped with double-layer seal door 12, and staff can be entered in tank body 4 by double-layer seal door 12, be fried
The work such as the installation of medicine, 4 bottom of the tank body are equipped with detachable apparatus platform 9.
Wiring sealed window and Observable window 6 are explosion-proof high-strength transparence watch window, the wiring sealed window and
Observable window 6 is located at the inboard portion setting safety device of tank body 4, and the safety device includes detachable explosion-proof
Poly (methyl methacrylate) plate 16 and high-transparent glass 17, the detachable explosion-proof poly (methyl methacrylate) plate 16 are fixed by screws on tank body 4, can
It dismantles explosion-proof poly (methyl methacrylate) plate 16 and is located inside, the high-transparent glass 17 that can be effectively protected on tank body 4 will not explode
It is destroyed in journey.
9 lower end of detachable apparatus platform is equipped with replaceable bed course 10, and the replaceable bed course 10 is filled by padded coaming,
Packing material is one or more of coarse sand, foam, rubber, wood bits.
Tank body 4 is fixed on reinforced concrete plinth 18, and pedestal supporting rack 11, pedestal are equipped between tank body 4 and pedestal 18
18 locate below ground level, and the joint face of tank body 4 and pedestal 18 fills vibration-absorptive material, and vibration-absorptive material is rubber or sand, pedestal
Damping ditch 1 is additionally provided with around 18, the bottom of Damping ditch 1 is connected with drainage system, prevents when the rainy day, 1 inner product of Damping ditch
Poly- rainwater, leading to follow up device, damping effect is deteriorated in use, and the depth of Damping ditch 1 is 70-120cm.
13 operation principle of toxic and harmful gas monitoring device：Using import electrochemical sensor, its application control current potential electricity
Solution principle, construction is that three electrodes, i.e. working electrode have been disposed in electrolytic cell, to electrode and reference electrode, and is applied
It with certain polarizing voltage, replaces the sensor of gas with various and changes polarizing voltage numerical value, you can measuring different toxic has
Evil gas.Tested gas reaches working electrode through film, and redox reaction occurs, and sensor will have a Weak current at this time
Output, this electric current and toxic and harmful gas concentration are proportional, and the sampled processing of this current signal is changed into voltage, voltage
Signal is converted the content (ppm values) in toxic and harmful gas detection range using carrying out Voltage to current transducer after amplification
It is exported at RS485 signals, the numerical value of the detector real-time display monitoring of the device, when reaching setting alarm point, live acousto-optic
Alarm.The staff effectively avoided enter into tank body 4 sucks excessive pernicious gas and generates harm to human body.
Embodiment 1
A kind of method of the explosive welding as processing metallic composite, has a wide range of applications scene.But traditional
In production process, the welding quality defects caused by air, and noise all can be to the popularization and application of this technology caused by explosion
Generate many restrictions.The vacuum production environment that apparatus of the present invention are provided, can overcome the defect of this method.
The main blasting charge of explosive welding uses porous particulated ammonium oil explosive or emulsion, and perlite mixing match, and one
As explosion velocity of explosive control in 2200m/s or so, compound plate is 304 planks of 3mm thickness, and plate face is 500mm × 500mm, and substrate is
304 planks of 6mm thickness, plate face are 450mm × 450mm, and end detonation is arranged by attached drawing 2, explosion welding apparatus is put into vacuum
In device, room door is closed, is evacuated by bleeding point, after measuring negative pressure to -0.08MPa, carries out explosive welding.After the completion of explosion,
Restore normal pressure, open spray system, quick-fried rear flue gas is cleaned, after toxic and harmful gas monitoring device shows safety, work
It is entered back into device as personnel and clad metal sheet is detected.Through flaw detection, recombination rate 100%, interface shear strength can
Reach 260MPa.
Embodiment 2
Since there is a large amount of asteroids in space, the reserves of the rare metals such as palladium, platinum thereon are quite abundant.Thus
It establishes asteroid base and is engaged in related exploitation work, be the only way of future development.Can be in simulation space in the present apparatus it is true
Ore extraction effect under Altitude, to improve production technology.
The basis that blastability classification is blasting parameters optimization design and construction is carried out to rock mass, thus under vacuum environment
The research of explosive funnel is extremely important.The coagulating cement soil block for pouring 1m × 1m × 1m in the device arranges aperture at center
For the emptying aperture of 34mm, it is No. 2 rock emulsion explosives that powder charge, which uses coupling charging, explosive used, and instant electric detonator is filled by adjusting
Raising degree and shot depth study the Rock Mass Blastability by Using under vacuum environment.After waiting for powder charge filling, line is carried out, is closed
Closed chamber door, is evacuated by bleeding point, after measuring negative pressure to -0.08MPa, is detonated.After the completion of explosion, restore normal pressure, opens
Spray system cleans quick-fried rear flue gas, and after toxic and harmful gas monitoring device shows safety, staff enters back into dress
In setting, blasting action index is tested, to carry out correlative study.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of vacuum explosion effect experimental rig, which is characterized in that including tank body, the tank body upper end is connected respectively by pipeline
Vaccum-pumping equipment and pump drainage cigarette and air regenerating device are connect, the pipeline that the vaccum-pumping equipment is connect with tank body is equipped with vacuum lead
Valve and pressure gauge, the pipeline that the pump drainage cigarette and air regenerating device are connect with tank body are equipped with pump drainage cigarette and air refreshing tube valve,
The top of the tank is equipped with spray equipment, is additionally provided with toxic and harmful gas monitoring device in the tank body, the tank body both sides are set
There are wiring sealed window and Observable window, described tank body one end to be equipped with double-layer seal door, the tank base is equipped with detachable
Charging floor.
2. a kind of vacuum explosion effect experimental rig according to claim 1, which is characterized in that the wiring sealed window
And Observable window is explosion-proof high-strength transparence watch window, the wiring sealed window and Observable window are located at the interior of tank body
Safety device is arranged in side section.
3. a kind of vacuum explosion effect experimental rig according to claim 2, which is characterized in that the safety device
Including detachable explosion-proof poly (methyl methacrylate) plate and high-transparent glass, the detachable explosion-proof poly (methyl methacrylate) plate is bolted on tank
On the screw hole of body, and the high-transparent glass being fixed on tank body is completely covered.
4. a kind of vacuum explosion effect experimental rig according to claim 1, which is characterized in that the detachable apparatus platform
Lower end is equipped with replaceable bed course, and the replaceable bed course is filled by padded coaming.
5. a kind of vacuum explosion effect experimental rig according to claim 4, which is characterized in that the replaceable bed course
Packing material is one or more of coarse sand, foam, rubber, wood bits.
6. a kind of vacuum explosion effect experimental rig according to claim 1, which is characterized in that the tank body is fixed on steel
On reinforced concrete pedestal, pedestal supporting rack is equipped between tank body and pedestal.
7. a kind of vacuum explosion effect experimental rig according to claim 6, which is characterized in that the pedestal is located at ground
Hereinafter, and the joint face of tank body and pedestal filling vibration-absorptive material.
8. a kind of vacuum explosion effect experimental rig according to claim 7, which is characterized in that the vibration-absorptive material is rubber
Glue or sand.
9. according to claim 6-8 any one of them vacuum explosion effect experimental rigs, which is characterized in that around the pedestal
Equipped with Damping ditch, the bottom of the Damping ditch is connected with drainage system.
10. a kind of vacuum explosion effect experimental rig according to claim 9, which is characterized in that the depth of the Damping ditch
Degree is 70-120cm.
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| CN201810432375.3A CN108802327A (en) | 2018-05-08 | 2018-05-08 | A kind of vacuum explosion effect experimental rig |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346411A (en) * | 2019-03-27 | 2019-10-18 | 安徽理工大学 | A kind of vacuum explosion experimental facility |
| CN110593615A (en) * | 2019-07-22 | 2019-12-20 | 安徽理工大学 | Vacuum environment-friendly explosive welding workshop |
| CN113466428A (en) * | 2021-05-21 | 2021-10-01 | 江苏健安安全科技有限公司 | Grading test device for explosive objects in factory building |
| CN115791228A (en) * | 2022-11-07 | 2023-03-14 | 南京理工大学 | Simulation experiment device for explosion effect in urban civil air defense facility |
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