CN110595302A - Preparation method of delay element for detonator - Google Patents
Preparation method of delay element for detonator Download PDFInfo
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- CN110595302A CN110595302A CN201910886960.5A CN201910886960A CN110595302A CN 110595302 A CN110595302 A CN 110595302A CN 201910886960 A CN201910886960 A CN 201910886960A CN 110595302 A CN110595302 A CN 110595302A
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- delay
- tube
- delay element
- detonator
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
- C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C11/00—Electric fuzes
- F42C11/06—Electric fuzes with time delay by electric circuitry
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention discloses a preparation method of a delay element for a detonator, which is implemented according to the following steps: step 1, preparing a non-metal pipe; step 2, filling the mixed delay powder into the nonmetal tube prepared in the step 1 through wet charging to obtain a delay tube; and 3, drying the delay tube obtained in the step 2, and cutting to obtain the delay element. The preparation method of the delay element for the detonator solves the problems of high labor intensity, complex process, low production efficiency, high manufacturing cost and serious environmental pollution in the reproduction process of the existing delay element.
Description
Technical Field
The invention belongs to the technical field of civil blasting, and particularly relates to a preparation method of a delay element for a detonator.
Background
At present, the delay element for the domestic industrial detonator mainly comprises a lead cable type delay element and an alloy (flange steel) tubular type delay element.
The lead cable type delay element adopts a drawing machine, so that a lead pipe passes through dies with different apertures to be sleeved and drawn into a three-core, five-core or single-core delay element, although the precision is relatively high, the process is complex, the labor intensity is high, the product cost is high and the pollution is serious.
The metal tube type delay element is made by adopting a multi-time loading-pressing process, although the process is simple, the delay time precision is poor, the production efficiency is low, and the consumption of delay agent is large.
The lead cable and the alloy tube type delay element have long production period, the medicament needs to be granulated, screened, dried, boxed and transported after being mixed uniformly, then the medicament is charged and draged (or pressed), and the dust is large, so that the potential safety hazard is high.
Disclosure of Invention
The invention aims to provide a preparation method of a delay element for a detonator, which solves the problems of complex process, high cost and high toxicity in the production of the conventional delay element.
In order to achieve the purpose, the invention adopts the technical scheme that the preparation method of the delay element for the detonator is implemented according to the following steps:
step 1, preparing a non-metal pipe;
step 2, filling the mixed delay powder into the nonmetal tube prepared in the step 1 through wet charging to obtain a delay tube;
and 3, drying the delay tube obtained in the step 2, and cutting to obtain the delay element.
The technical proposal of the invention also has the following characteristics,
in the step 1, the non-metal pipe comprises the following components in percentage by mass: 83-87% of engineering plastic polyether-ether-ketone, 6-8% of coupling agent, 4-7% of color master batch, 0.5-4% of dispersing agent and 0.3-0.7% of antioxidant, wherein the sum of the mass percentages of the components is 100%.
The coupling agent is propyl trimethoxy silane, the dispersing agent is hexenyl bis stearamide, and the antioxidant is N-phenyl-alpha-naphthylamine or alkyl phenothiazine.
In the step 1, the preparation of the non-metal pipe specifically comprises the following steps: the preparation method comprises the steps of weighing engineering plastic polyether-ether-ketone, a coupling agent, a color master, a dispersing agent and an antioxidant according to the mass percentage, uniformly mixing all the components, filling the mixture into a plastic extruder to prepare a nonmetal tube primary die, and finally heating, stretching and cooling the nonmetal tube primary die for multiple times to obtain the nonmetal tube.
In the step 2, the wet charging specifically comprises: adding solvent into the weighed delay medicine components, mixing to prepare uniform paste delay medicine, and filling the medicament into a nonmetal tube by a paste filling machine.
In the step 2, the paste filling machine is a horizontal pneumatic paste filling machine, the air pressure of the horizontal pneumatic paste filling machine is 0.6MPa to 0.9MPa, and the air volume is 0.5 cubic/min.
In the step 3, the temperature of the drying treatment is 90 ℃, and the drying time is 36 h.
In the step 3, a rope cutting machine is adopted to cut the delay tube.
In the step 1, the inner diameter of the non-metal pipe is 1.8mm or 2.5mm, and the outer diameter is 6.2 mm.
In the step 2, the solvent is dioctyl phthalate (DOP).
The invention has the beneficial effects that: the preparation method of the delay element for the detonator adopts the flame-retardant non-metallic material for preparation, and solves the problems of high cost and high toxicity of the existing delay element; according to the preparation method of the delay element for the detonator, disclosed by the invention, the delay powder and the delay element are integrally produced by adopting wet charging, the production process of the delay element is simplified, the production efficiency of the delay element is favorably improved, the dust is reduced, and the safety is improved.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following embodiments.
The invention relates to a preparation method of a delay element for a detonator, which is implemented according to the following steps:
step 1, preparing a non-metal pipe: firstly, weighing the following components in percentage by mass: 83-87 percent of engineering plastic polyether-ether-ketone, 6-8 percent of propyl trimethoxy silane, 4-7 percent of color master batch, 0.5-4 percent of hexenyl bis stearamide, 0.3-0.7 percent of N-phenyl-alpha-naphthylamine or alkyl phenothiazine, wherein the sum of the mass percent of the components is 100 percent; then, uniformly mixing all the components, and then loading the mixture into a plastic extruder to prepare a nonmetal pipe primary die; finally, heating and stretching the nonmetal pipe primary mould for multiple times and cooling to obtain a nonmetal pipe;
step 2, adding a solvent into the weighed delay medicine components, mixing to prepare uniform paste delay medicine, and filling the medicament into a non-metal tube through a paste filling machine to obtain a delay tube;
and 3, drying the delay tube obtained in the step 2 at 90 ℃ for 36 hours, and cutting the delay tube by using a cutting machine to obtain the delay element.
In the method for preparing the delay element for the detonator, the delay powder comprises silicon-based delay powder and tungsten-based delay powder.
For the silicon-based delay composition, the silicon-based delay composition comprises the following components in percentage by mass: 20-34% of silicon powder, 55-60% of red lead and 6-25% of antimony sulfide, wherein the sum of the mass percentages of the components is 100%.
For the tungsten delay powder, the tungsten delay powder comprises the following components in percentage by mass: 35-40% of tungsten powder, 10-20% of potassium perchlorate and 40-55% of barium chromate, wherein the sum of the mass percentages of the components is 100%.
The filling machine is a horizontal pneumatic paste filling machine, the air pressure of the horizontal pneumatic paste filling machine is 0.6MPa to 0.9MPa, and the air volume is 0.5 cubic/min.
According to different types of medicaments, non-metal tubes with different inner diameters are designed, so that the delay time precision and the ignition reliability of the detonator can be ensured, the inner diameter of each non-metal tube is 1.8mm or 2.5mm, and the outer diameter of each non-metal tube is 6.2 mm.
The delay element for the detonator obtained by the invention has a millisecond delay range of 25-1000 ms and a second delay range of 1-9 s.
Example 1
The invention relates to a preparation method of a delay element for a detonator, which is implemented according to the following steps:
step 1, preparing a non-metal pipe: firstly, weighing the following components in percentage by mass: 83 percent of engineering plastic polyether-ether-ketone, 8 percent of propyl trimethoxy silane, 7 percent of color master, 1.7 percent of hexenyl bis-stearamide and 0.3 percent of N-phenyl-alpha-naphthylamine; then, uniformly mixing all the components, and then loading the mixture into a plastic extruder to prepare a nonmetal pipe primary die; finally, heating and stretching the nonmetal pipe primary die for multiple times and cooling to obtain a nonmetal pipe with the inner diameter of 1.8mm and the outer diameter of 6.2 mm;
step 2, adding a solvent of dioctyl phthalate (DOP) into the weighed delay composition, mixing to prepare a uniform paste delay composition, and filling the medicament into the nonmetal tube prepared in the step 1 through a paste filling machine to obtain a delay tube;
and 3, drying the delay tube obtained in the step 2 at 90 ℃ for 36 hours, and cutting the delay tube by using a cutting machine to obtain the delay element.
The delay powder is silicon series delay powder, wherein the silicon powder accounts for 20 percent, the red lead accounts for 60 percent, and the antimony sulfide accounts for 20 percent.
Example 2
The invention relates to a preparation method of a delay element for a detonator, which is implemented according to the following steps:
step 1, preparing a non-metal pipe: firstly, weighing the following components in percentage by mass: 85% of engineering plastic polyether-ether-ketone, 7% of propyl trimethoxy silane, 5% of color master, 2.5% of hexenyl bis stearamide and 0.5% of N-phenyl-alpha-naphthylamine; then, uniformly mixing all the components, and then loading the mixture into a plastic extruder to prepare a nonmetal pipe primary die; finally, heating and stretching the nonmetal pipe primary die for multiple times and cooling to obtain a nonmetal pipe with the inner diameter of 1.8mm and the outer diameter of 6.2 mm;
step 2, adding a solvent of dioctyl phthalate (DOP) into the weighed delay composition, mixing to prepare a uniform paste delay composition, and filling the medicament into the nonmetal tube prepared in the step 1 through a paste filling machine to obtain a delay tube;
and 3, drying the delay tube obtained in the step 2 at 90 ℃ for 36 hours, and cutting the delay tube by using a cutting machine to obtain the delay element.
The delay powder is silicon-based delay powder, wherein 34% of silicon powder, 55% of red lead and 11% of antimony sulfide are adopted according to the mass percentage.
Example 3
The invention relates to a preparation method of a delay element for a detonator, which is implemented according to the following steps:
step 1, preparing a non-metal pipe: firstly, weighing the following components in percentage by mass: 87 percent of engineering plastic polyether-ether-ketone, 6 percent of propyl trimethoxy silane, 4 percent of color master batch, 2.7 percent of hexenyl bis stearamide and 0.3 percent of N-phenyl-alpha-naphthylamine or alkyl phenothiazine; then, uniformly mixing all the components, and then loading the mixture into a plastic extruder to prepare a nonmetal pipe primary die; finally, heating and stretching the nonmetal pipe primary die for multiple times and cooling to obtain a nonmetal pipe with the inner diameter of 1.8mm and the outer diameter of 6.2 mm;
step 2, adding a solvent of dioctyl phthalate (DOP) into the weighed delay composition, mixing to prepare a uniform paste delay composition, and filling the medicament into the nonmetal tube prepared in the step 1 through a paste filling machine to obtain a delay tube;
and 3, drying the delay tube obtained in the step 2 at 90 ℃ for 36 hours, and cutting the delay tube by using a cutting machine to obtain the delay element.
The delay powder is silicon-based delay powder, wherein the silicon powder accounts for 34 percent, the red lead accounts for 60 percent, and the antimony sulfide accounts for 6 percent.
Example 4
The invention relates to a preparation method of a delay element for a detonator, which is implemented according to the following steps:
step 1, preparing a non-metal pipe: firstly, weighing the following components in percentage by mass: 85% of engineering plastic polyether-ether-ketone, 6% of propyl trimethoxy silane, 4.7% of color master batch, 4% of hexenyl bis stearamide and 0.3% of alkyl phenothiazine; then, uniformly mixing all the components, and then loading the mixture into a plastic extruder to prepare a nonmetal pipe primary die; finally, heating and stretching the nonmetal pipe primary die for multiple times and cooling to obtain a nonmetal pipe with the inner diameter of 2.5mm and the outer diameter of 6.2 mm;
step 2, adding a solvent of dioctyl phthalate (DOP) into the weighed delay composition, mixing to prepare a uniform paste delay composition, and filling the medicament into the nonmetal tube prepared in the step 1 through a paste filling machine to obtain a delay tube;
and 3, drying the delay tube obtained in the step 2 at 90 ℃ for 36 hours, and cutting the delay tube by using a cutting machine to obtain the delay element.
The delay composition is a tungsten delay composition, wherein the tungsten powder is 35 percent, the potassium permanganate is 10 percent and the barium chromate is 55 percent according to mass percentage.
Example 5
The invention relates to a preparation method of a delay element for a detonator, which is implemented according to the following steps:
step 1, preparing a non-metal pipe: firstly, weighing the following components in percentage by mass: 87 percent of engineering plastic polyether-ether-ketone, 7 percent of propyl trimethoxy silane, 4.8 percent of color master batch, 0.5 percent of hexenyl bis stearamide and 0.7 percent of alkyl phenothiazine; then, uniformly mixing all the components, and then loading the mixture into a plastic extruder to prepare a nonmetal pipe primary die; finally, heating and stretching the nonmetal pipe primary die for multiple times and cooling to obtain a nonmetal pipe with the inner diameter of 2.5mm and the outer diameter of 6.2 mm;
step 2, adding a solvent of dioctyl phthalate (DOP) into the weighed delay composition, mixing to prepare a uniform paste delay composition, and filling the medicament into the nonmetal tube prepared in the step 1 through a paste filling machine to obtain a delay tube;
and 3, drying the delay tube obtained in the step 2 at 90 ℃ for 36 hours, and cutting the delay tube by using a cutting machine to obtain the delay element.
The delay powder is tungsten series delay powder, wherein the mass percentage of the tungsten series delay powder is 40%, the mass percentage of the potassium perchlorate is 20%, and the mass percentage of the barium chromate is 40%.
Claims (10)
1. A preparation method of a delay element for a detonator is characterized by comprising the following steps:
step 1, preparing a non-metal pipe;
step 2, filling the mixed delay powder into the nonmetal tube prepared in the step 1 through wet charging to obtain a delay tube;
and 3, drying the delay tube obtained in the step 2, and cutting to obtain the delay element.
2. The method for preparing a delay element for a detonator according to claim 1, wherein in the step 1, the non-metallic tube comprises the following components in percentage by mass: 83-87% of engineering plastic polyether-ether-ketone, 6-8% of coupling agent, 4-7% of color master batch, 0.5-4% of dispersing agent and 0.3-0.7% of antioxidant, wherein the sum of the mass percentages of the components is 100%.
3. The method for producing a delay element for detonators according to claim 2, wherein the coupling agent is propyl trimethoxy silane, the dispersing agent is hexenyl bis stearamide, and the antioxidant is N-phenyl-alpha-naphthylamine or alkyl phenothiazine.
4. The method for preparing a delay element for a detonator according to claim 3, wherein in the step 1, the preparation of the non-metallic tube is specifically: the preparation method comprises the steps of weighing engineering plastic polyether-ether-ketone, a coupling agent, a color master, a dispersing agent and an antioxidant according to the mass percentage, uniformly mixing all the components, filling the mixture into a plastic extruder to prepare a nonmetal tube primary die, and finally heating, stretching and cooling the nonmetal tube primary die for multiple times to obtain the nonmetal tube.
5. The method for preparing a delay element for a detonator according to claim 4, wherein in the step 2, the wet charging is specifically: adding solvent into the weighed delay medicine components, mixing to prepare uniform paste delay medicine, and filling the medicament into a nonmetal tube by a paste filling machine.
6. The method for producing a delay element for detonators according to claim 5, wherein in step 2, the paste filling machine is a horizontal pneumatic paste filling machine having a gas pressure of 0.6 to 0.9MPa and a gas amount of 0.5 cubic/min.
7. The method for producing a delaying element for detonators according to claim 6, wherein in step 3, the drying temperature is 90 ℃ and the drying time is 36 hours.
8. The method for producing a delay element for a detonator according to claim 7, wherein in the step 3, the delay tube is cut by a cord cutter.
9. The method for producing a delay element for a detonator according to claim 8, wherein in the step 1, the inner diameter of the non-metallic tube is 1.8mm or 2.5mm and the outer diameter is 6.2 mm.
10. The method for producing a delaying element for detonators according to claim 9 wherein in step 2, the solvent is dioctyl phthalate (DOP).
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0050380A1 (en) * | 1980-09-15 | 1982-04-28 | Schweizerische Eidgenossenschaft vertreten durch die Eidg. Munitionsfabrik Thun der Gruppe für Rüstungsdienste | Device and process for the manufacture of blister-free explosive and/or propellant charges |
| WO2001018483A1 (en) * | 1999-09-08 | 2001-03-15 | Dynamit Nobel Gmbh Explosivstoff- Und Systemtechnik | Lead-reduced or lead-free hunting rifle projectile having an improved retention force of the core in the case |
| CN104634193A (en) * | 2015-02-15 | 2015-05-20 | 安徽理工大学 | New-type energy-saving and environment-friendly delay electric detonator and production process thereof |
| CN109405680A (en) * | 2018-09-27 | 2019-03-01 | 芜湖博高光电科技股份有限公司 | A kind of Anti-dismantling integration fuze mechanism |
| CN109627679A (en) * | 2018-11-09 | 2019-04-16 | 苏州聚泰新材料有限公司 | A kind of highly conductive polyether-ether-ketone composite material and preparation method thereof |
-
2019
- 2019-09-19 CN CN201910886960.5A patent/CN110595302B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0050380A1 (en) * | 1980-09-15 | 1982-04-28 | Schweizerische Eidgenossenschaft vertreten durch die Eidg. Munitionsfabrik Thun der Gruppe für Rüstungsdienste | Device and process for the manufacture of blister-free explosive and/or propellant charges |
| WO2001018483A1 (en) * | 1999-09-08 | 2001-03-15 | Dynamit Nobel Gmbh Explosivstoff- Und Systemtechnik | Lead-reduced or lead-free hunting rifle projectile having an improved retention force of the core in the case |
| CN104634193A (en) * | 2015-02-15 | 2015-05-20 | 安徽理工大学 | New-type energy-saving and environment-friendly delay electric detonator and production process thereof |
| CN109405680A (en) * | 2018-09-27 | 2019-03-01 | 芜湖博高光电科技股份有限公司 | A kind of Anti-dismantling integration fuze mechanism |
| CN109627679A (en) * | 2018-11-09 | 2019-04-16 | 苏州聚泰新材料有限公司 | A kind of highly conductive polyether-ether-ketone composite material and preparation method thereof |
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