CN110386852A - A kind of bulking ammonium nitrate explosive and preparation method thereof - Google Patents
A kind of bulking ammonium nitrate explosive and preparation method thereof Download PDFInfo
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- CN110386852A CN110386852A CN201910654880.7A CN201910654880A CN110386852A CN 110386852 A CN110386852 A CN 110386852A CN 201910654880 A CN201910654880 A CN 201910654880A CN 110386852 A CN110386852 A CN 110386852A
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B31/00—Compositions containing an inorganic nitrogen-oxygen salt
- C06B31/28—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate
- C06B31/285—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate with fuel oil, e.g. ANFO-compositions
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Abstract
The present invention relates to explosive production field, in particular to a kind of bulking ammonium nitrate explosive and preparation method thereof；It is prepared by the raw material of following parts by weight: 91-93 parts of expanded ammonium nitrates；3.5-4.5 parts of coal dusts；3-4 parts of composite oil phases；3-4 parts of copper sulphate；The composite oil phase includes diesel oil and complex wax, and the diesel oil and complex wax weight ratio are 3-4: 1-2.By selecting coal dust to replace fuel agent of the wood powder as bulking ammonium nitrate explosive, it joined copper sulphate simultaneously, and collaboration is carried out to the composition proportion of composite oil phase and has been improved, so that bulking ammonium nitrate explosive obtained compares extruding nitric acid explosive of traditional wood powder as fuel agent, performance greatly improves, and has the advantages that combustion heat value is high, density is high, at low cost, quality is stable, and the improved explosive fluidity of the present invention is good, it is not easy the moisture absorption, induced detonation and explosion velocity are promoted obvious.
Description
Technical field
The present invention relates to explosive production field, in particular to a kind of bulking ammonium nitrate explosive and preparation method thereof.
Background technique
Currently, traditional bulking ammonium nitrate explosive production technology formula is with the extruding nitre with autosensibilization property, low-density
Ammonium is as oxidant, the commercial explosive mixed with wood powder and composite fuel oil as fuel agent.Above-mentioned traditional expanded ammonium nitrate
Explosive has the disadvantage in that 1, because wood powder density is low, causes finished product bulking ammonium nitrate explosive density relatively low, unit volume acting ability
It is small.2, free-running property is poor, and wood powder, which is easy the moisture absorption, influences properties of product.3, China's timber resources is relatively deficient, and wood powder in the market is normal
It is mixed with the impurity such as bakelite, quality not can guarantee and at high cost.4, the combustion heat value of wood powder is low.
Summary of the invention
The technical problems to be solved by the present invention are: a kind of expanded ammonium nitrate explosive and preparation method thereof is provided, by matching
The improvement of side and preparation method, solves the disadvantage that traditional puffed explosive exists, is especially increased the acting ability of explosive.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of bulking ammonium nitrate explosive is prepared by the raw material of following parts by weight:
91-93 parts of expanded ammonium nitrates；3.5-4.5 parts of coal dusts；3-4 parts of composite oil phases；3-4 parts of copper sulphate；
The composite oil phase includes diesel oil and complex wax, and the diesel oil and complex wax weight ratio are 3-4: 1-2.
Another technical solution of the invention are as follows:
A kind of preparation method of bulking ammonium nitrate explosive, comprising the following steps:
Step 1: ammonium nitrate being dissolved as saturated solution with water, swelling agent is added after completely dissolution, sucking is in vacuum shape
The Bulking tank extruding of state obtains semi-finished product；
Step 2: the resulting expanded ammonium nitrate of step 1 and coal dust, compound oil, copper sulphate being mixed, mixture is obtained；
Step 3: after the resulting mixture of step 1 is carried out powder charge, packaging, obtaining bulking ammonium nitrate explosive finished product.
The beneficial effects of the present invention are: in bulking ammonium nitrate explosive formula provided by the invention, by selecting coal dust to replace
Fuel agent of the wood powder as bulking ammonium nitrate explosive, while joined copper sulphate, and assisted to the composition proportion of composite oil phase
With improving, so that bulking ammonium nitrate explosive obtained compares extruding nitric acid explosive of traditional wood powder as fuel agent, performance is significantly
It improves, has the advantages that combustion heat value is high, density is high, at low cost, quality is stable, and the improved explosive fluidity of the present invention
It is good, it is not easy to which that the moisture absorption, induced detonation and explosion velocity are promoted obvious.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, it is explained below in conjunction with embodiment.
The most critical design of the present invention is: by selecting coal dust to replace fuel agent of the wood powder as bulking ammonium nitrate explosive,
It joined copper sulphate simultaneously, and collaboration carried out to the composition proportion of composite oil phase and has been improved, so that bulking ammonium nitrate explosive obtained
Extruding nitric acid explosive compared to traditional wood powder as fuel agent, performance greatly improve.
The present invention provides a kind of bulking ammonium nitrate explosive, is prepared by the raw material of following parts by weight:
91-93 parts of expanded ammonium nitrates；3.5-4.5 parts of coal dusts；3-4 parts of composite oil phases；3-4 parts of copper sulphate；
The composite oil phase includes diesel oil and complex wax, and the diesel oil and complex wax weight ratio are 3-4: 1-2.
Further, it in above-mentioned bulking ammonium nitrate explosive, is prepared by the raw material of following parts by weight:
92 parts of expanded ammonium nitrates；4 parts of coal dusts；3.5 parts of composite oil phases；3.5 parts of copper sulphate；
The composite oil phase is that diesel oil and complex wax are mixed according to the thawing of weight ratio 3.5: 1.5.
In above-mentioned bulking ammonium nitrate explosive formula, by selecting coal dust to replace fuel agent of the wood powder as bulking ammonium nitrate explosive,
It joined copper sulphate simultaneously, and collaboration carried out to the composition proportion of composite oil phase and has been improved, so that bulking ammonium nitrate explosive obtained
Extruding nitric acid explosive compared to traditional wood powder as fuel agent, performance greatly improve, have combustion heat value is high, density is high, at
The advantage that this is low, quality is stable, and the improved explosive fluidity of the present invention is good, it is not easy to the moisture absorption, induced detonation and explosion velocity are promoted bright
It is aobvious.
Further, in above-mentioned bulking ammonium nitrate explosive, the composite oil phase is by diesel oil, complex wax, semi-refined paraffin wax and all
Intellectual circle mixes according to weight ratio 4: 1: 0.3: 0.2.
Seen from the above description, it is improved by the composition proportion of composite oil phase, further increases explosive property.
Further, in above-mentioned bulking ammonium nitrate explosive, the complex wax is MF-1 complex wax, MF-2 complex wax, LF-2 multiple
Close any one of wax.
Further, in above-mentioned bulking ammonium nitrate explosive, the coal dust is coking coal, anthracite or lignite.
Further, the preparation method of above-mentioned bulking ammonium nitrate explosive, comprising the following steps:
Step 1: ammonium nitrate being dissolved as saturated solution with water, swelling agent is added after completely dissolution, sucking is in vacuum shape
The Bulking tank extruding of state obtains semi-finished product；
Step 2: the resulting expanded ammonium nitrate of step 1 and coal dust, compound oil, copper sulphate being mixed, mixture is obtained；
Step 3: after the resulting mixture of step 1 is carried out powder charge, packaging, obtaining bulking ammonium nitrate explosive finished product.
Further, in the preparation method of above-mentioned bulking ammonium nitrate explosive, the step 1 specifically: by ammonium nitrate with water-soluble
The saturated solution that solution is 125-138 DEG C, adds 0.12-0.15% swelling agent after completely dissolution, and sucking is in vacuum state
Bulking tank extruding 8-12min makes its moisture be less than or equal to 0.1%, bulk density and is less than or equal to 0.53g/cm3Obtain semi-finished product.
Further, in the preparation method of above-mentioned bulking ammonium nitrate explosive, the coal dust is with coking coal by being milled, drying
It arrives, the moisture of the coal dust is less than or equal to 1.5%, and ash content is less than or equal to 10%, and calorific value is more than or equal to 7000kcal/kg, grain
Degree is 60-100 mesh.
Embodiment 1
A kind of bulking ammonium nitrate explosive is prepared by the raw material of following parts by weight:
91 parts of expanded ammonium nitrates；3.5 parts of coal dusts；3 parts of composite oil phases；3 parts of copper sulphate；
The composite oil phase is that diesel oil and complex wax are mixed according to the thawing of weight ratio 3.5: 1.5.
The coal dust is coking coal.
The complex wax is MF-1 complex wax.
The preparation method of above-mentioned bulking ammonium nitrate explosive, comprising the following steps:
Step 1: ammonium nitrate is dissolved as with water to 125 DEG C of saturated solution, adds 0.12% swelling agent after completely dissolution,
Sucking is in the Bulking tank extruding 8min of vacuum state, so that its moisture is less than or equal to 0.1%, bulk density and is less than or equal to 0.53g/
cm3Obtain semi-finished product；
Step 2: the resulting expanded ammonium nitrate of step 1 and coal dust, composite oil phase, copper sulphate being mixed, mixture is obtained；
Step 3: after the resulting mixture of step 1 is carried out powder charge, packaging, obtaining bulking ammonium nitrate explosive finished product.
The coal dust is to be obtained with coking coal by milling, drying, and the moisture of the coal dust is less than or equal to 1.5%, and ash content is small
In being equal to 10%, calorific value is more than or equal to 7000kcal/kg, and granularity is 60-100 mesh.
Embodiment 2
The present invention provides a kind of bulking ammonium nitrate explosive, is prepared by the raw material of following parts by weight:
92 parts of expanded ammonium nitrates；4 parts of coal dusts；3.5 parts of composite oil phases；3.5 parts of copper sulphate；
The coal dust is coking coal.
The composite oil phase is mixed by diesel oil, complex wax, semi-refined paraffin wax and vaseline according to weight ratio 4: 1: 0.3: 0.2
It forms；
The complex wax is MF-2 complex wax.
The preparation method of above-mentioned bulking ammonium nitrate explosive, comprising the following steps:
Step 1: ammonium nitrate is dissolved as with water to 130 DEG C of saturated solution, adds 0.13% swelling agent after completely dissolution,
Sucking is in the Bulking tank extruding 10min of vacuum state, so that its moisture is less than or equal to 0.1%, bulk density and is less than or equal to
0.53g/cm3Obtain semi-finished product；
Step 2: the resulting expanded ammonium nitrate of step 1 and coal dust, composite oil phase, copper sulphate being mixed, mixture is obtained；
Step 3: after the resulting mixture of step 1 is carried out powder charge, packaging, obtaining bulking ammonium nitrate explosive finished product.
The coal dust is to be obtained with coking coal by milling, drying, and the moisture of the coal dust is less than or equal to 1.5%, and ash content is small
In being equal to 10%, calorific value is more than or equal to 7000kcal/kg, and granularity is 60-100 mesh.
Embodiment 3
The present invention provides a kind of bulking ammonium nitrate explosive, is prepared by the raw material of following parts by weight:
93 parts of expanded ammonium nitrates；4.5 parts of coal dusts；4 parts of composite oil phases；4 parts of copper sulphate；
The coal dust is coking coal.
Further, in above-mentioned bulking ammonium nitrate explosive, the composite oil phase is by diesel oil, complex wax, semi-refined paraffin wax and all
Intellectual circle mixes according to weight ratio 4: 1: 0.3: 0.2.
Further, in above-mentioned bulking ammonium nitrate explosive, the complex wax is LF-2 complex wax.
The preparation method of above-mentioned bulking ammonium nitrate explosive, comprising the following steps:
Step 1: ammonium nitrate is dissolved as with water to 138 DEG C of saturated solution, adds 0.15% swelling agent after completely dissolution,
Sucking is in the Bulking tank extruding 12min of vacuum state, so that its moisture is less than or equal to 0.1%, bulk density and is less than or equal to
0.53g/cm3Obtain semi-finished product；
Step 2: the resulting expanded ammonium nitrate of step 1 and coal dust, composite oil phase, copper sulphate being mixed, mixture is obtained；
Step 3: after the resulting mixture of step 1 is carried out powder charge, packaging, obtaining bulking ammonium nitrate explosive finished product.
The coal dust is to be obtained with coking coal by milling, drying, and the moisture of the coal dust is less than or equal to 1.5%, and ash content is small
In being equal to 10%, calorific value is more than or equal to 7000kcal/kg, and granularity is 60-100 mesh.
It is tested for the property with bulking ammonium nitrate explosive made from above-described embodiment, as a result as follows:
The extruding of 1. coal dust of table and obtained bulking ammonium nitrate explosive the performance test results and wood powder as fuel agent
Nitrolite the performance test results
In conclusion in bulking ammonium nitrate explosive formula provided by the invention, by selecting coal dust to replace wood powder as extruding
The fuel agent of nitrolite, while joined copper sulphate, and collaboration has been carried out to the composition proportion of composite oil phase and has been improved, so that system
The bulking ammonium nitrate explosive obtained compares extruding nitric acid explosive of traditional wood powder as fuel agent, and performance greatly improves, and has burning
The advantage that calorific value is high, density is high, at low cost, quality is stable, and the improved explosive fluidity of the present invention is good, it is not easy to the moisture absorption,
Induced detonation and explosion velocity are promoted obvious.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright description are applied directly or indirectly in relevant technical field, are similarly included in this hair
In bright scope of patent protection.
Claims (8)
1. a kind of bulking ammonium nitrate explosive, which is characterized in that be prepared by the raw material of following parts by weight:
91-93 parts of expanded ammonium nitrates；3.5-4.5 parts of coal dusts；3-4 parts of composite oil phases；3-4 parts of copper sulphate；
The composite oil phase includes diesel oil and complex wax, and the diesel oil and complex wax weight ratio are 3-4: 1-2.
2. bulking ammonium nitrate explosive according to claim 1, which is characterized in that be prepared by the raw material of following parts by weight:
92 parts of expanded ammonium nitrates；4 parts of coal dusts；3.5 parts of composite oil phases；3.5 parts of copper sulphate；
The composite oil phase is that diesel oil and complex wax are mixed according to the thawing of weight ratio 3.5: 1.5.
3. bulking ammonium nitrate explosive according to claim 1, which is characterized in that the composite oil phase is by diesel oil, complex wax, half
Fully refined paraffin wax and vaseline are mixed according to weight ratio 4: 1: 0.3: 0.2.
4. according to bulking ammonium nitrate explosive described in right 1, which is characterized in that the complex wax is MF-1 complex wax, MF-2 is compound
Any one of wax, LF-2 complex wax.
5. according to bulking ammonium nitrate explosive described in right 1, which is characterized in that the coal dust is coking coal, anthracite or lignite.
6. a kind of preparation method of the described in any item bulking ammonium nitrate explosives of claim 1-5, which is characterized in that including following step
It is rapid:
Step 1: ammonium nitrate being dissolved as saturated solution with water, swelling agent is added after completely dissolution, sucking is in vacuum state
Bulking tank extruding obtains semi-finished product；
Step 2: the resulting expanded ammonium nitrate of step 1 and coal dust, copper sulphate, composite oil phase being mixed, mixture is obtained；
Step 3: after the resulting mixture of step 1 is carried out powder charge, packaging, obtaining bulking ammonium nitrate explosive finished product.
7. the preparation method of bulking ammonium nitrate explosive according to claim 6, which is characterized in that the step 1 specifically: will
Ammonium nitrate is dissolved as 125-138 DEG C of saturated solution with water, 0.12-0.15% swelling agent is added after completely dissolution, at sucking
In the Bulking tank extruding 8-12min of vacuum state, so that its moisture is less than or equal to 0.1%, bulk density and be less than or equal to 0.53g/cm3
Obtain semi-finished product.
8. the preparation method of bulking ammonium nitrate explosive according to claim 6, which is characterized in that the coal dust is logical with coking coal
Cross milling, drying obtains, the moisture of the coal dust is less than or equal to 1.5%, and ash content is less than or equal to 10%, and calorific value is more than or equal to
7000kcal/kg, granularity are 60-100 mesh.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115124395A (en) * | 2022-07-22 | 2022-09-30 | 河南久联神威民爆器材有限公司 | Liquid composite oil phase, preparation method and expanded ammonium nitrate explosive |
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2019
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| JPS57150427A (en) * | 1981-03-12 | 1982-09-17 | Nippon Oil & Fats Co Ltd | Additive for coal-alcohol slurry |
| RU2194688C2 (en) * | 2000-10-27 | 2002-12-20 | ОАО "Знамя" | Composition of granulated explosive and method of preparation thereof |
| CN1821189A (en) * | 2006-02-27 | 2006-08-23 | 广东省四○一厂 | Method for preparing high density bulking ammonium nitrate explosive |
| CN101348403A (en) * | 2007-07-20 | 2009-01-21 | 浙江永进化工有限公司 | Waterproof type rock swelling ammonium nitrate explosive and preparation technique thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115124395A (en) * | 2022-07-22 | 2022-09-30 | 河南久联神威民爆器材有限公司 | Liquid composite oil phase, preparation method and expanded ammonium nitrate explosive |
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