CN114526649A - Preparation method of simple ammonium nitrate fuel oil explosive for drilling - Google Patents

Preparation method of simple ammonium nitrate fuel oil explosive for drilling Download PDF

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Publication number
CN114526649A
CN114526649A CN202111540374.9A CN202111540374A CN114526649A CN 114526649 A CN114526649 A CN 114526649A CN 202111540374 A CN202111540374 A CN 202111540374A CN 114526649 A CN114526649 A CN 114526649A
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CN
China
Prior art keywords
explosive
fuel oil
ammonium nitrate
cartridge
drilling
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CN202111540374.9A
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Chinese (zh)
Inventor
江睿
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Individual
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Individual
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Priority to CN202111540374.9A priority Critical patent/CN114526649A/en
Publication of CN114526649A publication Critical patent/CN114526649A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/02Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges
    • F42B33/0207Processes for loading or filling propulsive or explosive charges in containers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/02Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges
    • F42B33/0214Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges by casting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D1/00Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04Arrangements for ignition
    • F42D1/045Arrangements for electric ignition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D3/00Particular applications of blasting techniques

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cosmetics (AREA)

Abstract

The invention discloses a preparation method of a simple ammonium nitrate fuel oil explosive for drilling, belonging to the technical field of blasting drilling explosives and comprising the following steps: manufacturing a cartridge case of a blasting point, cutting a section of the blasting cartridge of the blasting gun by using a paper cutter, blocking the bottom of the cartridge by using stemming clay, and compacting; screening and weighing oxidants, taking out the pre-purchased cupola salute, integrally disassembling the paper tubes of the salute, and selecting corresponding powerful potassium nitrate and potassium perchlorate oxidant raw materials according to exercise requirements; and (4) converting and weighing other component substances. The invention has the characteristics of simple manufacturing process, simple and convenient raw materials, simple operation, good safety performance and high brisance, can control the explosive power by artificially controlling the charge according to different drilling requirements, can meet the drilling requirements of public security organs on-site operation, and can achieve the drilling effect.

Description

Preparation method of simple ammonium nitrate fuel oil explosive for drilling
Technical Field
The invention relates to a preparation method of a simple ammonium nitrate fuel oil explosive for drilling, belonging to the technical field of blasting drilling explosives.
Background
The explosive as a special energetic material has high application value, and generally meets the following requirements of high energy density substances; metastable species, self-activating species; a self-oxygenating substance; has certain physical and chemical compatibility. Common industrial explosives mainly comprise ammonium nitrate explosives, ammonium nitrate fuel oil explosives, emulsion explosives, water gel explosives and the like; the explosive can be divided into allowable explosives, plastic explosives, flexible explosives, pressed explosives, foam explosives and the like according to the use environment and action. In conclusion, no matter what type and kind of explosive, the artificial expected effect can be achieved by using shock waves generated by the detonation of the explosive and high-temperature and high-pressure detonation gas to do work.
The self-made explosion point explosion is the same as the industrial explosive explosion, belongs to chemical explosion, and has three elements: the exothermicity of the reaction; rapidity of reaction; the method is characterized in that a gaseous product is generated, which is called as three elements of explosive explosion, the exothermicity of the reaction is taken as the name, the explosive explosion chemical reaction emits a large amount of heat, the heat release enables the explosive to be decomposed, so that the explosion process is automatically propagated, the condition is the first condition of a chemical explosion field, the chemical reaction which does not emit heat cannot explode, and therefore, the industrial explosive generally has high energy density; the rapidity of the reaction means that after the explosive is exploded, the explosion product cannot expand in time in a short space, and the released energy is totally concentrated in the volume occupied by the explosive before explosion, so that the high energy density and high temperature and high pressure state which cannot be achieved by general chemical reaction are maintained, the general chemical reaction speed is slow, the generated gas product and the released heat can be fully diffused, the high temperature and high pressure state cannot be formed, the energy density of the product is very low, the pressure is almost normal pressure, and therefore the explosion phenomenon cannot occur, and the explosive chemical explosion has huge power and strong destructive effect; the generation of the gaseous product mainly refers to the generation of a high-temperature high-pressure gas product after the chemical explosion of the explosive, the mechanical effect of the explosion of the explosive on the surrounding medium is mainly realized by the expansion work of the high-temperature high-pressure gaseous product, the generated gaseous product is a medium for heat-power conversion, and the explosion can not occur when the gaseous product is not generated.
The existing public security organ can not achieve the prior art for blasting exercise, and the stored explosive can not meet the blasting exercise requirement of public security, so that the explosive which is simple and can achieve the exercise effect needs to be developed.
Disclosure of Invention
The invention mainly aims to solve the defects of the prior art and provide a preparation method of a simple ammonium nitrate fuel oil explosive for drilling.
The purpose of the invention can be achieved by adopting the following technical scheme:
a preparation method of a simple ammonium nitrate fuel oil explosive for drilling comprises the following steps:
step 1: manufacturing a cartridge case of the explosive point, cutting a section of the explosive point by using a paper cutter, blocking the bottom of the cartridge by using stemming clay and compacting;
step 2: screening and weighing oxidants, taking out the pre-purchased cupola salute, integrally disassembling the paper tubes of the salute, and selecting corresponding powerful potassium nitrate and potassium perchlorate oxidant raw materials according to exercise requirements;
and step 3: converting and weighing other components, calculating the dosages of other corresponding components according to the weight of the previously weighed oxidant and the distribution ratio of the frying point components, and respectively weighing the corresponding dosages of light diesel oil, starch, rosin and paraffin by using a baking electronic scale;
and 4, step 4: mixing and charging the components, taking out an electric ignition powder head, positioning the bottom ignition powder head at the center of a shell of the explosive ignition cartridge, slowly inserting the ignition powder head to the blockage position of bottom stemming along the wall of the shell of the explosive ignition cartridge, uniformly mixing weighed potassium nitrate serving as an oxidant, potassium perchlorate powder, sensitizer starch powder, additive rosin and paraffin, slowly pouring the mixture into the shell of the explosive ignition cartridge, and finally pouring weighed light diesel oil for mixing and sensitizing;
and 5: after standing for 2 minutes, cutting out the prepared plastic foam into a shape with the same size as the cylinder wall of the shell of the explosive point cartridge by using a paper cutter, and then putting the cut plastic foam into the explosive point cartridge and lightly pressing the cartridge to a mixed charging section;
step 6: the stemming at the top of the explosive point stick is blocked and capped, after the procedures are completed, the stemming is finally blocked to the plastic foam buffer block, the whole explosive point is tightly blocked, the exposed electric ignition head foot line is in short connection, and the simple self-made ammonium nitrate fuel oil explosive is manufactured and completed.
Preferably, the stemming clay needs to be prepared in advance, and clay with the water content of 1% -2% of the vegetable garden is selected and dried to serve as the stemming.
Preferably, in step 2, after the cupola gun cartridge is unpacked, the inner charge is poured onto a prepared A4 paper, black spherical barium salt and strontium salt particles in the cupola gun are filtered out by a filter screen, the filtered black oxidant powder is placed on a baking electronic scale for weighing, and the weight is recorded by a sign pen.
Preferably, the bottom ignition head is bent to 90 degrees, so that the explosive head is positioned in the center of the shell of the explosive point cartridge.
Preferably, when the simple ANFO electric ignition head needs to be used, the simple ANFO electric ignition head is opened and connected to a wiring port of a circuit of a wireless remote controller, and the simple ANFO electric ignition head can be detonated by pressing a switch of the remote controller.
Preferably, the filter screen is a goldfish net bag, and the filtering times are 3-4 times.
Preferably, the simple ammonium nitrate fuel oil explosive for drilling comprises, by weight, 91-93% of an oxidant, 1-2% of a combustible agent, 3-6% of a sensitizer and 1-4% of an additive.
The invention has the beneficial technical effects that: according to the simple ammonium nitrate fuel oil explosive preparation method for drilling, the self-made simple modified ammonium nitrate fuel oil explosive provided by the invention has the characteristics of simple preparation process, simple and convenient raw materials, simplicity in operation, good safety performance and high brisance, can control the explosive power by artificially controlling the explosive loading amount according to different drilling requirements, can meet the drilling requirements of public security organs on the spot, and can achieve the drilling effect; the plastic foam is added into the explosive, and the plastic foam can play a buffering role well by utilizing the elastic plasticity of the plastic foam, so that the mixed charge is prevented from being pressed to be dead when the stemming on the top of the explosive stick at the explosive point is blocked, and the phenomenon of explosion rejection is avoided; the raw material tools are simple and easy to obtain, the manufacturing process is simple, the manufacturing can be finished in an indoor environment without stray current, and the on-site manufacturing can be carried out on site.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail with reference to the following examples, but the embodiments of the present invention are not limited thereto.
The embodiment provides a preparation method of a simple ammonium nitrate fuel oil explosive for drilling, which comprises the following steps:
step 1: manufacturing a cartridge case of the explosive point, cutting a section of the explosive point by using a paper cutter, blocking the bottom of the cartridge by using stemming clay and compacting;
step 2: screening and weighing oxidants, taking out the pre-purchased cupola salute, integrally disassembling the paper tubes of the salute, and selecting corresponding powerful potassium nitrate and potassium perchlorate oxidant raw materials according to exercise requirements;
and step 3: converting and weighing other components, calculating the dosages of other corresponding components according to the weight of the previously weighed oxidant and the distribution ratio of the frying point components, and respectively weighing the corresponding dosages of light diesel oil, starch, rosin and paraffin by using a baking electronic scale;
and 4, step 4: mixing and charging the components, taking out an electric ignition powder head, positioning the bottom ignition powder head at the center of a shell of the explosive ignition cartridge, slowly inserting the ignition powder head to the blockage position of bottom stemming along the wall of the shell of the explosive ignition cartridge, uniformly mixing weighed potassium nitrate serving as an oxidant, potassium perchlorate powder, sensitizer starch powder, additive rosin and paraffin, slowly pouring the mixture into the shell of the explosive ignition cartridge, and finally pouring weighed light diesel oil for mixing and sensitizing;
and 5: after standing for 2 minutes, cutting out the prepared plastic foam into a shape with the same size as the cylinder wall of the shell of the explosive point cartridge by using a paper cutter, and then putting the cut plastic foam into the explosive point cartridge and lightly pressing the cartridge to a mixed charging section;
step 6: the stemming at the top of the explosive point stick is blocked and capped, after the procedures are completed, the stemming is finally blocked to the plastic foam buffer block, the whole explosive point is tightly blocked, the exposed electric ignition head foot line is in short connection, and the simple self-made ammonium nitrate fuel oil explosive is manufactured and completed.
In the embodiment, the stemming clay needs to be prepared in advance, and the clay with the water content of 1% -2% in the vegetable garden is selected and dried to be used as the stemming. In step 2, the gun salute cartridge is disassembled, the inner charge is poured on the A4 paper prepared in advance, the black spherical barium salt and strontium salt particles in the gun are filtered by a filter screen, the black oxidant powder filtered by the filter screen is placed on a baking electronic scale for weighing, and the weight is recorded by a sign pen. The production method is characterized in that manual production is adopted, raw material tools are simple and easy to obtain, the production process is simple, production can be completed in an indoor environment without stray current, field production and field initiation can be realized, a plurality of products can be produced in batches, the storage period is one week in a dry, ventilated and shady environment, production can be completed in advance before drilling, and the products can be used at any time by connecting a wireless remote controller during formal drilling. After the manufacture is finished, the electric ignition head pin wire is in short circuit, so that an explosion point is prevented from being ignited by external stray current.
In this embodiment, the bottom firing head is bent at 90 ° so that the cartridge is centered in the cartridge housing. When the simple anfo explosive electric ignition head needs to be used, the simple anfo explosive electric ignition head foot line is opened and connected to a wiring port of a circuit of a wireless remote controller, and the remote controller can be detonated by pressing a switch of the remote controller. The filter screen is a goldfish net bag, and the filtering times are 3-4 times. The simple ammonium nitrate fuel oil explosive for drilling comprises, by weight, 91-93% of an oxidant, 1-2% of a combustible agent, 3-6% of a sensitizer and 1-4% of an additive. Stemming and compacting the bottom of the cartridge with stemming clay, and selecting a PVC plastic water pipe as an outer packaging cartridge and tightly plugging one end with stemming. And the plugging agent or the accelerating agent can be purchased in a hardware building material shop, added with water according to the formula and uniformly mixed to be used as the plugging filling of blast holes of the explosion points.
In summary, in this embodiment, according to the method for preparing a simple ammonium nitrate fuel oil explosive for drilling and the method for preparing a simple ammonium nitrate fuel oil explosive for drilling provided by this embodiment, since paraffin is added as a waterproof additive, the requirement for drilling or teaching under various weather conditions can be met, and through a rainy weather explosion test, no problem occurs, and the explosion effect is good. After the drilling is finished by using the simple ammonium nitrate fuel oil explosive, the short connection of the pin wire of the electric ignition head is required to be recorded for inspection. The simple ammonium nitrate fuel oil explosive for drilling is required to be placed in a warehouse or an equipment warehouse with weak communication signal stray current such as a shady and cool ventilated mobile phone radio and the like for storage, non-professionals are strictly prohibited from contacting and using the simple ammonium nitrate fuel oil explosive for drilling, smoke and fire are strictly prohibited, and professionals are required to take charge of supervision. The simple ammonium nitrate fuel oil explosive is used for drilling, the surface of the simple ammonium nitrate fuel oil explosive is strictly forbidden to cover any object so as to prevent local hot spots caused by unsmooth ventilation, the simple ammonium nitrate fuel oil explosive is placed on a sun-shielding surface when being stored, and the simple ammonium nitrate fuel oil explosive is strictly forbidden to be placed near glass surfaces such as windows and convex lenses so as to prevent direct solar rays. The simple ammonium nitrate fuel oil explosive for drilling is strictly forbidden to be stored in an explosive disposal vehicle, especially in spring and summer. The shelf life of the simple ammonium nitrate fuel oil explosive for drilling is 5-7 days, diesel oil molecules can be volatilized completely after the shelf life is too long, the initiation sensitivity is reduced, and the simple ammonium nitrate fuel oil explosive can be used and consumed in the shelf life.
The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.

Claims (7)

1. The preparation method of the simple ammonium nitrate fuel oil explosive for drilling is characterized by comprising the following steps:
step 1: manufacturing a cartridge case of the explosive point, cutting a section of the explosive point by using a paper cutter, blocking the bottom of the cartridge by using stemming clay and compacting;
step 2: screening and weighing oxidants, taking out the pre-purchased cupola salute, integrally disassembling the paper tubes of the salute, and selecting corresponding powerful potassium nitrate and potassium perchlorate oxidant raw materials according to exercise requirements;
and step 3: converting and weighing other components, calculating the dosages of other corresponding components according to the weight of the previously weighed oxidant and the distribution ratio of the frying point components, and respectively weighing the corresponding dosages of light diesel oil, starch, rosin and paraffin by using a baking electronic scale;
and 4, step 4: mixing and charging the components, taking out an electric ignition powder head, positioning the bottom ignition powder head at the center of a shell of the explosive ignition cartridge, slowly inserting the ignition powder head to the blockage position of bottom stemming along the wall of the shell of the explosive ignition cartridge, uniformly mixing weighed potassium nitrate serving as an oxidant, potassium perchlorate powder, sensitizer starch powder, additive rosin and paraffin, slowly pouring the mixture into the shell of the explosive ignition cartridge, and finally pouring weighed light diesel oil for mixing and sensitizing;
and 5: after standing for 2 minutes, cutting out the prepared plastic foam into a shape with the same size as the cylinder wall of the shell of the explosive point cartridge by using a paper cutter, and then putting the cut plastic foam into the explosive point cartridge and lightly pressing the cartridge to a mixed charging section;
step 6: the stemming at the top of the explosive point stick is blocked and capped, after the procedures are completed, the stemming is finally blocked to the plastic foam buffer block, the whole explosive point is tightly blocked, the exposed electric ignition head foot line is in short connection, and the simple self-made ammonium nitrate fuel oil explosive is manufactured and completed.
2. The method for preparing a simple ammonium nitrate fuel oil explosive for rehearsal according to claim 1, wherein the stemming clay is prepared in advance, and the clay with the water content of 1-2% in vegetable garden is selected and dried to be used as the stemming.
3. The method for preparing a simple anfo explosive for rehearsal according to claim 1, wherein in step 2, after the cartridge of the cupola gun is disassembled, the inner charge is poured on a prepared A4 paper, black spherical barium salt and strontium salt particles in the cupola gun are filtered out by a filter screen, the filtered black oxidant powder is placed on a baking electronic scale for weighing, and the weight is recorded by a signature pen.
4. The method for preparing simple ammonium nitrate fuel oil explosive for rehearsal of claim 1, wherein the bottom ignition head is bent to 90 ° so that the explosive head is located at the center of the shell of the cartridge.
5. The method for preparing a simple ammonium nitrate fuel oil explosive for drilling according to claim 1, wherein when the simple ammonium nitrate fuel oil explosive is required to be used, the electric ignition head pin line of the simple ammonium nitrate fuel oil explosive is opened and is connected to a wiring port of a circuit of a wireless remote controller, and the simple ammonium nitrate fuel oil explosive can be detonated by pressing a switch of the remote controller.
6. The method for preparing the simple ammonium nitrate fuel oil explosive for rehearsal according to claim 1, wherein the filter screen is a goldfish net bag, and the filtering times are 3-4 times.
7. The method for preparing the simple ammonium nitrate fuel oil explosive for drilling according to claim 1, wherein the simple ammonium nitrate fuel oil explosive for drilling comprises 91-93% of an oxidant, 1-2% of a combustible agent, 3-6% of a sensitizer and 1-4% of an additive in percentage by weight.
CN202111540374.9A 2021-12-16 2021-12-16 Preparation method of simple ammonium nitrate fuel oil explosive for drilling Pending CN114526649A (en)

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CN114526649A true CN114526649A (en) 2022-05-24

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB564602A (en) * 1942-11-27 1944-10-05 Du Pont Improvements in or relating to explosive compositions containing inorganic oxidisingsalts
CN1034264A (en) * 1987-05-22 1989-07-26 淮南矿业学院 Low density grainy emulsified explosive
CN1088901A (en) * 1992-12-29 1994-07-06 华东工学院 Powdered ammonium nitrate-fuel oil explosive and manufacture method thereof
CN1105350A (en) * 1994-01-13 1995-07-19 冶金工业部长沙矿冶研究院 Cheap nitric acid base liquid explosive and its producing method
CN203274596U (en) * 2013-04-27 2013-11-06 谢俊磊 Civil defense drill exploder
CN104964620A (en) * 2015-05-27 2015-10-07 中钢集团马鞍山矿山研究院有限公司 Blasting method capable of effectively reducing fume harm
CN107957222A (en) * 2017-11-28 2018-04-24 武汉大学 Reduce blasthole spaced loading and the method for ignition of methods of blasting toes in open generation rate
CN108132005A (en) * 2017-12-07 2018-06-08 长春黄金研究院 A kind of method of short-delay blasting in medium-length hole upward hole

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB564602A (en) * 1942-11-27 1944-10-05 Du Pont Improvements in or relating to explosive compositions containing inorganic oxidisingsalts
CN1034264A (en) * 1987-05-22 1989-07-26 淮南矿业学院 Low density grainy emulsified explosive
CN1088901A (en) * 1992-12-29 1994-07-06 华东工学院 Powdered ammonium nitrate-fuel oil explosive and manufacture method thereof
CN1105350A (en) * 1994-01-13 1995-07-19 冶金工业部长沙矿冶研究院 Cheap nitric acid base liquid explosive and its producing method
CN203274596U (en) * 2013-04-27 2013-11-06 谢俊磊 Civil defense drill exploder
CN104964620A (en) * 2015-05-27 2015-10-07 中钢集团马鞍山矿山研究院有限公司 Blasting method capable of effectively reducing fume harm
CN107957222A (en) * 2017-11-28 2018-04-24 武汉大学 Reduce blasthole spaced loading and the method for ignition of methods of blasting toes in open generation rate
CN108132005A (en) * 2017-12-07 2018-06-08 长春黄金研究院 A kind of method of short-delay blasting in medium-length hole upward hole

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Title
尹建平等: "弹药学(第3版)", 31 December 2017, 北京理工大学出版社, pages: 212 - 213 *
赵艳美: "现场混装粒状铵油炸药的应用", 大众标准化, no. 05, pages 115 - 116 *

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