CN212082169U - Safe explosive loading structure of liquid explosive - Google Patents
Safe explosive loading structure of liquid explosive Download PDFInfo
- Publication number
- CN212082169U CN212082169U CN202020045500.8U CN202020045500U CN212082169U CN 212082169 U CN212082169 U CN 212082169U CN 202020045500 U CN202020045500 U CN 202020045500U CN 212082169 U CN212082169 U CN 212082169U
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- CN
- China
- Prior art keywords
- explosive
- charge
- rubber plug
- diameter
- plastic
- Prior art date
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- Expired - Fee Related
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- 239000002360 explosive Substances 0.000 title claims abstract description 70
- 239000007788 liquid Substances 0.000 title claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 claims abstract description 15
- 230000001235 sensitizing effect Effects 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 11
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims description 20
- 229920003023 plastic Polymers 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 17
- 229920002301 cellulose acetate Polymers 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000003349 gelling agent Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 239000002985 plastic film Substances 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 3
- 231100000489 sensitizer Toxicity 0.000 claims 2
- 239000004005 microsphere Substances 0.000 claims 1
- 235000019362 perlite Nutrition 0.000 claims 1
- 239000010451 perlite Substances 0.000 claims 1
- 206010070834 Sensitisation Diseases 0.000 abstract description 14
- 230000008313 sensitization Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 7
- 238000005422 blasting Methods 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 abstract description 6
- 238000003860 storage Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- MFFWFHCQOSYXBT-UHFFFAOYSA-N acetic acid;nitromethane Chemical compound CC(O)=O.C[N+]([O-])=O MFFWFHCQOSYXBT-UHFFFAOYSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005474 detonation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- -1 then Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The utility model belongs to blasting equipment field provides a liquid explosive's safe loaded constitution. The method is characterized in that: the explosive filling device consists of a plugging system for sealing a explosive filling container, an isolation system for separating a sensitizing agent and a liquid explosive, an explosive filling system for containing the liquid explosive and an agitating system for mixing the explosive. Then safe charge structure, its powder charge order is: the physical sensitizer is arranged at the upper end of the isolation membrane, and the gel and the nitromethane are arranged at the lower end of the isolation membrane. The charging structure has the advantages of rapid on-site sensitization, simple operation, safety, reliability and the like; the isolating membrane separates the explosive and the sensitizing agent, thereby greatly avoiding the explosion hazard of the explosive in the processes of transportation, storage, loading and unloading and the like.
Description
Technical Field
The utility model relates to a safe charging structure and application method of quick sensitization in scene of liquid explosive can realize quick sensitization in scene, belongs to the blasting equipment field.
Background
At present, explosives applied to engineering blasting are mainly finished explosives and explosives mixed by a field mixing loading truck. Finished explosives such as emulsion explosives, anfo explosives, etc. may develop heat build-up due to shaking, friction, etc. during transportation, handling and storage, etc., which may result in an explosion hazard when the heat build-up reaches the thermal limit of the explosive. The on-site mixed explosive loading truck is used for sensitizing explosives on site, generally a method of adding chemical sensitizing agents such as sodium nitrite and the like is adopted, the influence of temperature is large, and the sensitizing time is long especially in areas with low temperature; and the good sensitization effect can not be ensured, and the phenomena of semi-explosion and explosion rejection are easy to occur. Therefore, a safe physical sensitization charging structure with simple operation, quick sensitization and good sensitization effect on a blasting construction site is needed.
Disclosure of Invention
To sum up, the utility model aims to solve the problem that the sensitization effect of having sensitized explosive in transportation and storage process explosion danger and on-the-spot mixed charge car is not good and the sensitization is slow, provide a physical sensitization loaded constitution of on-the-spot quick sensitization.
The purpose of the utility model can be realized by the following steps:
the utility model discloses a preferred scheme, physical sensitizer can use glass microballon, the circular shape porous material is just gone up to a cavity to certain intensity has.
The utility model discloses a preferred scheme, the gelling agent is cellulose acetate, can restrain volatilizing of nitromethane, makes nitromethane have certain viscosity, but the solid component that suspends makes physical sensitizer disperse in liquid explosive uniformly.
In a preferable scheme of the utility model, the diameter of the isolation film of the isolation system is equal to the inner diameter of the explosive container, and the isolation system has the function of isolating the physical sensitizer from the liquid explosive; the ring on the barrier film is connected with the string, and the barrier film is turned over downwards by pulling the pull ring outwards, so that the sensitizing agent is added into the liquid explosive.
The utility model discloses a preferred scheme, the barrier film, its material is aluminium, magnesium, can regard as the high energy additive, increases the heat of explosion of explosive to improve the power of explosive.
In a preferred scheme of the utility model, the rubber ring of the isolation system is embedded on the wall of the container and is tightly attached to the rotating plastic rod; has the functions of fixing the plastic rod, preventing the plastic rod from sliding or rotating and preventing liquid from leaking.
The utility model discloses a preferred scheme, block up the system, adopt the rubber buffer, guaranteed charging container's leakproofness. The hole of the big rubber plug with the hole at the upper part is positioned at the center of the big rubber plug and penetrates through the whole rubber plug, the aperture is equal to the diameter of the detonator, and the two ends of the hole are sealed with plastic films for inserting the detonator for detonating the explosive. The bottom small rubber plug is provided with a hole 1/2 with the diameter of the plastic stirring shaft and the height of the small rubber plug, so that the purpose of fixing the plastic stirring shaft is achieved. The small rubber plug is cylindrical, the diameter of the small rubber plug is the diameter of the joint of the motor and the plastic stirring shaft, and the height of the small rubber plug just allows the connection of the motor and the plastic stirring shaft.
The utility model discloses a preferred scheme, the spiral nick on charging system, its cylinder wall can lead to the formation of torrent when mixing, forms many little swirl in the flow field, does benefit to explosive and sensitizer misce bene.
The utility model discloses a preferred scheme, powder charge container material is plastics, a material with low costs, the leakproofness is good, waterproof and intensity is moderate.
The utility model discloses a preferred scheme, the powder charge container has the barrier film, keeps apart physical sensitizer and nitromethane, has guaranteed the transportation safety and the storage safety of explosive.
The utility model discloses a preferred scheme, mixing system, its (mixing) shaft is located the center of powder charge container, links to each other with foraminiferous solid cylinder section of thick bamboo to fixed (mixing) shaft. The diameter of the blade rotating circle is equal to the radius of the medicine-charging container.
The utility model discloses a preferred scheme, mixing system uses the rotatory (mixing) shaft of portable motor to carry out the explosive and mixes, can make explosive and sensitizing agent flash mixed even, and the sensitization is fast.
The utility model discloses a preferred scheme, safe loaded constitution, its powder charge order is: the physical sensitizer is arranged at the upper end of the isolation membrane, and the gel and the nitromethane are arranged at the lower end of the isolation membrane.
The utility model discloses liquid explosive's safe loaded constitution's concrete operating procedure as follows:
firstly, determining the diameter and the length of a liquid explosive charging cylindrical barrel according to blasting parameters, and then manufacturing a charging container;
secondly, mixing cellulose acetate particles and nitromethane according to a formulated formula, then sealing, standing, stirring uniformly after the cellulose acetate is completely dissolved to form cellulose acetate-nitromethane gel with good fluidity and certain viscosity, and adding the cellulose acetate-nitromethane gel into a container without an isolation system shown in figure 1;
sticking a metal isolating membrane with a pull ring system on the surface of the gel, then adding a physical sensitizing agent to the metal isolating membrane according to a formulated formula, and then sealing a medicine container by using a large rubber plug;
when in use, the pull ring is pulled outwards, the metal isolating membrane is torn, and the physical sensitizer is poured into the gel;
uncovering the small rubber plug, rotating the stirring shaft for about 5-10 s by using a portable motor, and uniformly distributing the physical sensitizer in the gel to obtain the sensitized liquid explosive.
The principle of the utility model is as follows: when the sensitizer is isolated from the explosive, the detonation sensitivity of the explosive is very low, and the critical diameter is more than 38 mm; after a sensitizing agent and an explosive are uniformly mixed, based on a bubble adiabatic compression hot spot forming mechanism, when the liquid explosive is detonated, the generated initial shock wave firstly breaks a physical sensitizing agent shell in the liquid explosive, then, air is released, bubbles are generated in the explosive, the subsequent shock wave carries out adiabatic compression on the bubbles, the internal temperature of the small bubbles is rapidly increased to form a hot spot, when the temperature of the hot spot reaches the ignition point of the explosive, the explosive starts to burn, the internal temperature and pressure of the explosive are continuously increased, the explosive accelerates and converts into detonation, the explosive which is detonated first provides energy for the explosive which is detonated later, and accordingly, the detonation reaction of the explosive is continuously continued.
Compared with the prior art, the utility model following beneficial effect has:
(1) the explosive can be sensitized rapidly on site, so that the explosive is prevented from being exploded in the processes of transportation, storage, loading and unloading;
(2) the physical sensitization method is adopted, and the plastic blades are rotated by the portable motor to mix, so that the explosive and the sensitizing agent are quickly and uniformly mixed, the sensitization speed is high, the operation is simple, and the safety and the reliability are high;
(3) the isolating membrane has the effect of separating the liquid explosive from the physical sensitizer, so that the transportation safety, the storage safety and the loading and unloading safety of the explosive are ensured;
(4) the powder container has certain strength, is not easy to deform and damage, has water impermeability and can be used for underwater blasting.
Drawings
FIG. 1 is a medicine-charging container diagram, wherein, 1 is a big rubber plug with holes, 2 is a metal isolating membrane, 3 is a spiral nick on the cylinder wall, 4 is a plastic blade, 5 is a plastic stirring shaft, 6 is a hollow plastic cylinder, 7 is a solid plastic cylinder with holes, 8 is a pull ring system, and 9 is a small rubber plug with holes.
Detailed Description
The utility model discloses will combine the concrete example to carry out the detailing:
example 1:
firstly, according to the size phi 32mm200mm of a standard EJ-102 emulsion explosive, determining the size phi 32mm200mm of a charge container, wherein the charge container is made of plastic, and manufacturing the charge container without an isolation system as shown in figure 1;
mixing 94g of nitromethane and 6g of cellulose acetate, sealing, standing, stirring uniformly after the cellulose acetate is completely dissolved to form cellulose acetate-nitromethane gel with good fluidity and certain viscosity, and adding the cellulose acetate-nitromethane gel into the container.
Sticking a metal isolating membrane with a pull ring system on the surface of the gel, adding a physical sensitizing agent to the metal isolating membrane according to a formulated formula, and sealing the medicine container by using a large rubber plug.
When in use, the pull ring is pulled outwards, the metal isolating membrane is torn, and the physical sensitizer is poured into the gel;
uncovering the small rubber plug, rotating the stirring shaft for about 5-10 s by using a portable motor, and uniformly distributing the physical sensitizer in the gel to obtain the sensitized liquid explosive.
The detonator is inserted into the hole of the large rubber plug to detonate the explosive.
Claims (8)
1. A safe explosive charging structure for liquid explosives is characterized in that the explosive charging structure relates to an explosive charging container and consists of a blocking system for sealing the explosive charging container, an isolating system for separating a sensitizing agent and the liquid explosives, an explosive charging system for containing the liquid explosives and a stirring system for mixing the explosives;
the blocking system consists of a large rubber plug with a hole at the upper part and a small rubber plug with a hole at the bottom; the isolation system consists of an isolation film and a pull ring system consisting of a circular ring, a string and a pull ring; the charging system consists of a hollow plastic cylinder with spiral nicks and a solid cylinder with holes; the stirring system consists of a portable motor, a plastic stirring shaft and plastic blades;
safe charge structure, its powder charge order is: the physical sensitizer is arranged at the upper end of the isolation membrane, and the gel and the nitromethane are arranged at the lower end of the isolation membrane.
2. A safety charge arrangement according to claim 1, wherein the insulating system has an insulating membrane diameter equal to the inner diameter of the charge container; the ring on the isolating membrane is connected with the string.
3. The safety charge structure according to claim 1, wherein the isolating membrane is made of aluminum or magnesium.
4. A safety charge structure as claimed in claim 1, wherein the blocking system is a large rubber plug with a hole in the upper part, the hole is positioned in the center of the large rubber plug and penetrates through the whole rubber plug, the hole diameter is equal to the diameter of the detonator, and the two ends of the hole are sealed with plastic films; the small rubber stopper at the bottom is provided with 1/2 holes with the hole diameter being the diameter of the plastic stirring shaft and the height being the height of the small rubber stopper; the small rubber plug is cylindrical, the diameter of the small rubber plug is the diameter of the joint of the motor and the plastic stirring shaft, and the height of the small rubber plug just allows the connection of the motor and the plastic stirring shaft.
5. A safety charge arrangement according to claim 1, wherein the stirring system has a stirring shaft located centrally in the charge holder and connected to a solid cylindrical perforated drum having blades with a circular diameter of revolution equal to the radius of the charge holder.
6. A safety charge configuration according to claim 1, characterized in that the charge system has a helical score on the cylindrical wall.
7. A safety charge construction for a liquid explosive according to claim 1, characterised in that the physical sensitiser is glass microspheres, expanded perlite.
8. A safety charge construction for a liquid explosive according to claim 1 wherein the gelling agent is cellulose acetate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045500.8U CN212082169U (en) | 2020-01-10 | 2020-01-10 | Safe explosive loading structure of liquid explosive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045500.8U CN212082169U (en) | 2020-01-10 | 2020-01-10 | Safe explosive loading structure of liquid explosive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212082169U true CN212082169U (en) | 2020-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020045500.8U Expired - Fee Related CN212082169U (en) | 2020-01-10 | 2020-01-10 | Safe explosive loading structure of liquid explosive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212082169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124710A (en) * | 2020-01-10 | 2021-07-16 | 西南科技大学 | Safe explosive loading structure of liquid explosive and using method thereof |
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2020
- 2020-01-10 CN CN202020045500.8U patent/CN212082169U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124710A (en) * | 2020-01-10 | 2021-07-16 | 西南科技大学 | Safe explosive loading structure of liquid explosive and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 |