CN111848314A - Packaged heavy ammonium nitrate fuel oil explosive and preparation method thereof - Google Patents
Packaged heavy ammonium nitrate fuel oil explosive and preparation method thereof Download PDFInfo
- Publication number
- CN111848314A CN111848314A CN202010561643.9A CN202010561643A CN111848314A CN 111848314 A CN111848314 A CN 111848314A CN 202010561643 A CN202010561643 A CN 202010561643A CN 111848314 A CN111848314 A CN 111848314A
- Authority
- CN
- China
- Prior art keywords
- ammonium nitrate
- fuel oil
- nitrate fuel
- oil explosive
- matrix
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Liquid Carbonaceous Fuels (AREA)
Abstract
The invention relates to the technical field of industrial explosives, in particular to a packaged heavy ammonium nitrate fuel oil explosive and a preparation method thereof; the packaged heavy ammonium nitrate fuel oil explosive comprises an ammonium nitrate fuel oil explosive matrix, an emulsion matrix and a stabilizer; the stabilizer accounts for 0.5-2% of the total mass of the packaged heavy ammonium nitrate fuel oil explosive; wherein the ammonium nitrate fuel oil explosive matrix comprises porous granular ammonium nitrate, a combustible agent and a composite modifier; the composite modifier accounts for 0.5-4% of the total mass of the ammonium nitrate fuel oil explosive matrix; the emulsion matrix accounts for 5-28% of the total mass of the packaged heavy ammonium nitrate fuel oil explosive and is under any temperature condition without sensitization. According to the invention, specific raw materials are selected for compounding to obtain the packaged heavy ammonium nitrate fuel oil explosive with better stability; the method for preparing the packaged heavy ammonium nitrate fuel oil explosive has no limit on the temperature of the emulsified matrix, and realizes continuous and automatic production under the action of a certain shearing force; compared with the traditional discontinuous preparation method, the method has higher efficiency and is safer.
Description
Technical Field
The invention relates to the technical field of industrial explosives, in particular to a packaged heavy ammonium nitrate fuel oil explosive and a preparation method thereof.
Background
The heavy ammonium nitrate fuel oil explosive has the common advantages of both emulsion explosive and ammonium nitrate fuel oil explosive, has good water resistance and excellent detonation performance, and is widely applied to blasting operation of various mines in open air, underground and the like. At present, heavy ammonium nitrate fuel oil explosives are usually produced in a field mixed loading mode, namely, the heavy ammonium nitrate fuel oil explosives are used for being prepared on a blasting field, and the storage condition of the heavy ammonium nitrate fuel oil explosives is further considered to be insufficient; there are also a few reports of packaged heavy anfo explosives, specifically as follows:
CN201710047412.4 discloses a packaged type emulsified ammonium nitrate fuel oil explosive and a preparation method thereof, and specifically discloses a method for preparing the packaged type emulsified ammonium nitrate fuel oil explosive, which comprises the steps of adding porous granular ammonium nitrate and a combustible agent into a hopper of a charging machine after metering and spiral mixing, adding an emulsified matrix, a foaming agent and a foaming accelerant which are prepared and cooled to 70 ℃ into the hopper of the charging machine, mixing and stirring for 1-2 min, and then filling a cartridge.
CN201810170780.2 discloses a sticky ammonium nitrate fuel oil explosive mixing roller, which is prepared by adding ammonium nitrate fuel oil explosive and polyacrylamide into the mixing roller, wherein the mixing roller is provided with forward and reverse blades, and the explosive is rotated and mixed in the mixing roller.
CN201610799342.3 discloses a heavy ammonium nitrate fuel oil explosive and a preparation method thereof, and specifically discloses a heavy ammonium nitrate fuel oil explosive which is prepared by mixing porous granular ammonium nitrate with diesel oil, immersing for 24 hours, heating base oil and microcrystalline wax to 85-95 ℃, and finally stirring and mixing together.
CN201010502508.3 patent discloses a heavy ammonium nitrate fuel oil explosive with improved explosive property and its production method, which is prepared by sensitizing emulsion matrix into emulsion explosive and mixing with porous granular ammonium nitrate fuel oil explosive in U-shaped spiral.
CN201010526615.X discloses a heavy ammonium nitrate fuel oil explosive, which is prepared by mixing porous granular ammonium nitrate, diesel oil and a water-resistant additive in a vertical mixer for 2-4 min, adding powdery ammonium nitrate fuel oil explosive, continuously mixing, taking out, and packaging.
In conclusion, in the existing production technology of the heavy ammonium nitrate fuel oil explosive, part of the production technology needs to be realized by sensitizing the emulsion matrix and maintaining a certain temperature condition, namely intermittent production by adopting a double-cone tank type mixing machine has the defects of low efficiency, more on-line personnel, automation, low informatization level and the like, and the relevant requirements of civil explosion industry are difficult to meet.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a packaged heavy ammonium nitrate fuel oil explosive; the packaged heavy ammonium nitrate fuel oil explosive has better storage capacity. The storage period and the explosive performance of the packaged heavy ammonium nitrate fuel oil explosive are improved by optimizing raw materials and a formula; the emulsion matrix does not need sensitization, the temperature is 0-90 ℃, and the production convenience is greatly improved.
Specifically, the packaged heavy ammonium nitrate fuel oil explosive comprises an ammonium nitrate fuel oil explosive matrix, an emulsion matrix and a stabilizer; the stabilizer accounts for 0.5-2% of the total mass of the packaged heavy ammonium nitrate fuel oil explosive;
wherein the ammonium nitrate fuel oil explosive matrix comprises porous granular ammonium nitrate, a combustible agent and a composite modifier; the composite modifier is a gel, and accounts for 0.5-4% of the total mass of the ammonium nitrate fuel oil explosive matrix.
In the invention, the emulsion matrix can come from a packaging type emulsion explosive production line or a field mixed emulsion explosive ground station, and the emulsion matrix can be normally used at the temperature of 0-90 ℃ without cooling or heat preservation.
According to the invention, specific raw materials are selected for compounding to obtain the packaged heavy ammonium nitrate fuel oil explosive with better stability; particularly, the combination of the stabilizer and the composite modifier can obviously change the viscosity of the mixing system, keep the physical properties of the mixing system uniform and stable, reduce the recrystallization agglomeration of porous granular ammonium nitrate granules, reduce the absorption of external moisture and further improve the storage stability.
Preferably, the composite modifier is selected from one or more of higher fatty acid salt, polyacrylic acid, polyacrylate, acrylamide and natural vegetable gum;
Further, the composite modifier is selected from one or more of higher fatty acid salt, polyacrylic acid and polyacrylate.
Preferably, the combustible agent is selected from one or more of mineral oil, glycol, higher fatty alcohol and higher fatty acid lower ester; preferably, the mineral oil is selected from one or more of diesel oil, white oil, residual oil and base oil; in the invention, the combustible agent can be absorbed by the porous granular ammonium nitrate; the composite modifier can obviously change the surface tension and viscosity of the mixed system, so that the mixed system is kept uniform and stable, and the performance and the storage period of the explosive are improved.
Preferably, the particle size of the porous granular ammonium nitrate is 1.2 to 2.0 mm.
Preferably, the ammonium nitrate fuel oil explosive matrix comprises the following raw materials in percentage by mass:
92.5 to 95.5 percent of porous granular ammonium nitrate
3.5 to 5.5 percent of flammable agent
0.5-4% of composite modifier.
Preferably, the stabilizer is one or more selected from phosphoric acid and sulfuric acid inorganic salts, alkyl sulfates, organic amines and fatty glyceride; preferably, the stabilizing agent is selected from two or more than two of sodium aluminosilicate, stearyl erucamide, talcum powder and hydroxyethyl cellulose;
In the invention, the stabilizer has the functions of fluidity adjustment, moisture resistance and crystallization prevention; the ammonium nitrate is uniformly covered on the surfaces of porous granular ammonium nitrate particles, so that the crystal contact among the particles is reduced, and meanwhile, the moisture is absorbed to reduce the crystallization of oxidant crystals; the stabilizer and the composite modifier are synergistic, so that the stability of each raw material in the heavy ammonium nitrate fuel oil explosive is effectively improved, and the physical properties of the finally obtained packaged heavy ammonium nitrate fuel oil explosive are stable.
Preferably, the packaged heavy ammonium nitrate fuel oil explosive comprises the following raw materials in percentage by mass:
70-90% of ammonium nitrate fuel oil explosive matrix
5-28% of emulsifying base
0.5-2% of a stabilizer.
Preferably, in the technical scheme, the packaged heavy ammonium nitrate fuel oil explosive comprises the following raw materials in percentage by mass:
79-89% of ammonium nitrate fuel oil explosive matrix
10-20% of emulsifying base
1-2% of a stabilizer;
wherein the ammonium nitrate fuel oil explosive matrix comprises the following raw materials:
93-94.5% of porous granular ammonium nitrate
4.5 to 5 percent of flammable agent
1-2% of a composite modifier.
Preferably, in the technical scheme, the packaged heavy ammonium nitrate fuel oil explosive comprises the following raw materials in percentage by mass:
88 percent of ammonium nitrate fuel oil explosive matrix
10 percent of emulsifying base
Mixing 2% of phosphoric acid and sulfuric acid inorganic salt and hydroxyethyl cellulose according to the mass ratio of 1: 9-9: 1;
wherein the ammonium nitrate fuel oil explosive matrix comprises the following raw materials:
porous granular ammonium nitrate 93%
The diesel oil and the higher fatty acid low-carbon ester are mixed by 5 percent according to the mass ratio of 1: 9-9: 1
And 2% by mass of a mixture of polyacrylic acid and higher fatty acid salt in a mass ratio of 1: 9-9: 1.
The storage life of the packaged heavy ammonium nitrate fuel oil explosive reaches 3 months.
The invention also provides a preparation method of the packaged heavy ammonium nitrate fuel oil explosive, which comprises the following steps:
(1) uniformly mixing porous granular ammonium nitrate, a combustible agent and a composite modifier to obtain an ammonium nitrate fuel oil explosive matrix;
(2) mixing the ammonium nitrate fuel oil explosive matrix, an emulsion matrix and a stabilizer under the action of shearing force;
the shear force is 400-600 N.m.
The invention prepares the packaged heavy ammonium nitrate fuel oil explosive under the condition of normal temperature; specifically, porous granular ammonium nitrate, a combustible agent and a composite modifier are mixed to prepare an ammonium nitrate fuel oil explosive matrix, and then the ammonium nitrate fuel oil explosive matrix, an emulsion matrix and a stabilizer are uniformly mixed under the action of shearing force to obtain the heavy ammonium nitrate fuel oil explosive.
Preferably, each raw material is added in a continuous sequence mode; namely, the invention can realize the emulsified matrix under any temperature condition (without cooling or sensitizing the emulsified matrix), and realize continuous and automatic production of the packaged heavy ammonium nitrate fuel oil explosive with excellent stability.
Preferably, the preparation method further comprises the steps of weighing and packaging.
In a specific embodiment, the anfo explosive matrix is mixed with an emulsion matrix, a stabilizer, in a heavy anfo explosive mixer.
The invention has the beneficial effects that:
(1) according to the invention, specific raw materials are selected for compounding to obtain the packaged heavy ammonium nitrate fuel oil explosive with better stability;
(2) the method for preparing the packaged heavy ammonium nitrate fuel oil explosive has no limit on the temperature of the emulsified matrix, and realizes continuous and automatic production under the action of a certain shearing force; compared with the traditional intermittent preparation method, the method has higher efficiency and is safer;
(3) the preparation method provided by the invention is continuous and high in automation degree, realizes continuous mixing, loading and transporting of the heavy ammonium nitrate fuel oil explosive, and is only available for 3 persons by all-line operators, and the number of all-line operators including a transporting post is not more than 5 persons.
Drawings
FIG. 1 is a schematic diagram of a process for preparing a packaged heavy ammonium nitrate fuel oil explosive in example 1 of the present invention;
FIG. 2 is a schematic diagram of an apparatus for producing the packaged heavy ANFO explosive of example 1;
FIG. 3 is a schematic cross-sectional view of the heavy ANFO blender of example 1;
wherein, 1 is an ammonium nitrate fuel oil explosive mixing machine, 11 is a first feed inlet, 12 is a second feed inlet, 13 is a first discharge outlet, 2 is a heavy ammonium nitrate fuel oil explosive mixing machine, 21 is a third feed inlet, 22 is an emulsion matrix injection device, 23 is a second discharge outlet, 3 is a weighing unit, and 4 is a packaging unit.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
The embodiment provides a packaged heavy ammonium nitrate fuel oil explosive, which comprises the following raw materials in percentage by mass:
79.0 percent of ammonium nitrate fuel oil explosive matrix
20.0 percent of emulsifying base
1% of talcum powder;
wherein the ammonium nitrate fuel oil explosive matrix comprises the following raw materials:
porous granular ammonium nitrate 94.5%
4.5 percent of diesel oil
Polyacrylic acid 1.0%;
the preparation method of the packaged heavy ammonium nitrate fuel oil explosive comprises the following steps (as shown in figure 1):
(1) uniformly mixing porous granular ammonium nitrate, a combustible agent and a composite modifier in an ammonium nitrate fuel oil explosive mixer to obtain an ammonium nitrate fuel oil explosive matrix;
(2) Mixing the ammonium nitrate fuel oil explosive matrix, an emulsion matrix and a stabilizer in a heavy ammonium nitrate fuel oil explosive mixing machine;
(3) and weighing and packaging by an automatic packaging machine.
In this example, a production apparatus shown in fig. 2 was used to continuously prepare a packaged heavy ammonium nitrate fuel oil explosive; the production device comprises an ammonium nitrate fuel oil explosive mixing machine 1, a heavy ammonium nitrate fuel oil explosive mixing machine 2, a weighing unit 3 and a packaging unit 4 which are connected in sequence;
wherein, one end of the ammonium nitrate fuel oil explosive mixing machine 1 is respectively provided with a first feed inlet 11 and a second feed inlet 12, and the other end is provided with a first discharge outlet 13; the first discharge hole 13 is connected with the heavy ammonium nitrate fuel oil explosive mixing machine 2;
the heavy ammonium nitrate fuel oil explosive mixing machine 2 is connected with the ammonium nitrate fuel oil explosive mixing machine 1, one end of the heavy ammonium nitrate fuel oil explosive mixing machine is provided with a third feeding hole 21 and an emulsion matrix injection device 22, and the other end of the heavy ammonium nitrate fuel oil explosive mixing machine is provided with a second discharging hole 23; the second discharge port 23 is connected with the weighing unit 3;
the weighing unit 3 is connected with the packaging unit 4.
The cross section of the heavy ammonium nitrate fuel oil explosive mixer 2 is shown in figure 3, and two parallel rotating shafts are arranged in the horizontal direction of the interior of the heavy ammonium nitrate fuel oil explosive mixer; and the rotating shaft is provided with stirring blades.
In this embodiment, the specific process for preparing the packaged heavy ammonium nitrate fuel oil explosive by using the production device is as follows:
(1) Putting porous granular ammonium nitrate into the ammonium nitrate fuel oil explosive mixing machine 1 through a second feeding hole 12, putting a combustible agent and a composite modifier into the ammonium nitrate fuel oil explosive mixing machine 1 through a first feeding hole 11, and fully mixing the porous granular ammonium nitrate with the combustible agent and the composite modifier in the ammonium nitrate fuel oil explosive mixing machine 1 to obtain an ammonium nitrate fuel oil explosive matrix;
(2) the ammonium nitrate fuel oil explosive base body is fed into a heavy ammonium nitrate fuel oil explosive mixing machine 2 through a first discharge port 13, the emulsion base body is fed into the heavy ammonium nitrate fuel oil explosive mixing machine 2 through a plurality of specially designed nozzles at the bottom of an emulsion base injection device 22, the stabilizer is fed into the heavy ammonium nitrate fuel oil explosive mixing machine 2 through a third feed port 21, and the ammonium nitrate fuel oil explosive base body, the emulsion base body and the stabilizer are mixed and dispersed under the action of stirring blades of the heavy ammonium nitrate fuel oil explosive mixing machine; the shearing force of the stirring blade is 400-600 N.m; and (5) preparing the packaged heavy ammonium nitrate fuel oil explosive.
(3) The packaged heavy ammonium nitrate fuel oil explosive sequentially enters the weighing unit 3 and the packaging unit 4 through the second discharge hole 23, and is weighed and packaged.
Example 2
The embodiment provides a packaged heavy ammonium nitrate fuel oil explosive, which comprises the following raw materials in percentage by mass:
83.5 percent of ammonium nitrate fuel oil explosive matrix
15 percent of emulsifying base
1.5 percent of phosphoric acid and sulfuric acid inorganic salt;
wherein the ammonium nitrate fuel oil explosive matrix comprises the following raw materials:
porous granular ammonium nitrate 94.5%
4.5 percent of white oil
1.0 percent of polyacrylic acid;
the preparation method of the packaged heavy ammonium nitrate fuel oil explosive is the same as that of example 1.
Example 3
The embodiment provides a packaged heavy ammonium nitrate fuel oil explosive, which comprises the following raw materials in percentage by mass:
88.5 percent of ammonium nitrate fuel oil explosive matrix
10 percent of emulsifying base
1.5 percent of hydroxyethyl cellulose;
wherein the ammonium nitrate fuel oil explosive matrix comprises the following raw materials:
porous granular ammonium nitrate 94.5%
4.5 percent of higher fatty alcohol
1.0% of higher fatty acid salt;
the preparation method of the packaged heavy ammonium nitrate fuel oil explosive is the same as that of example 1.
Example 4
The embodiment provides a packaged heavy ammonium nitrate fuel oil explosive, which comprises the following raw materials in percentage by mass:
88 percent of ammonium nitrate fuel oil explosive matrix
10 percent of emulsifying base
2% of phosphoric acid and sulfuric acid inorganic salt;
wherein the ammonium nitrate fuel oil explosive matrix comprises the following raw materials:
Porous granular ammonium nitrate 93%
5 percent of higher fatty acid low-carbon ester
2% of higher fatty acid salt;
the preparation method of the packaged heavy ammonium nitrate fuel oil explosive is the same as that of example 1.
Example 5
The embodiment provides a packaged heavy ammonium nitrate fuel oil explosive, which comprises the following raw materials in percentage by mass:
88 percent of ammonium nitrate fuel oil explosive matrix
10 percent of emulsifying base
The mass ratio of phosphoric acid and sulfuric acid inorganic salt to hydroxyethyl cellulose is 3: 1, mixing 2 percent;
wherein the ammonium nitrate fuel oil explosive matrix comprises the following raw materials:
porous granular ammonium nitrate 93%
Diesel oil and higher fatty acid low-carbon ester are mixed by 5 percent according to the mass ratio of 1:1
Polyacrylic acid and higher fatty acid salt are mixed in a mass ratio of 1:1 by 2%.
The preparation method of the packaged heavy ammonium nitrate fuel oil explosive is the same as that of example 1.
Comparative example 1
This comparative example provides a packaged heavy ammonium nitrate fuel oil explosive which differs from example 5 only in that: the preparation method is different; the method specifically comprises the following steps: the raw materials are directly mixed according to the proportion.
Test example 1
The performance of the packaged heavy ammonium nitrate fuel oil explosive obtained in examples 1-5 and comparative example 1 is tested according to the method for determining the detonation velocity of industrial explosive (GB/T13228); the test results are shown in table 1;
Table 1 performance test of packaged heavy ammonium nitrate fuel oil explosives obtained in examples 1 to 5 and comparative example 1
As can be seen from Table 1, when diesel is used as the combustible fuel, the initial performance of the fuel is better than that of white oil, but the storage stability of the fuel is lower than that of the white oil; the effect of compounding the stabilizer and the composite modifier by multiple components is better than that of compounding by a single component. In addition, even if the formulation of the packaged heavy ammonium nitrate fuel oil explosive is completely the same, the components are directly mixed according to the proportion, the initial performance of the obtained product is general, and the storage period can not meet the requirement.
Although the invention has been described in detail hereinabove by way of general description, specific embodiments and experiments, it will be apparent to those skilled in the art that many modifications and improvements can be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A packaged heavy ammonium nitrate fuel oil explosive is characterized by comprising an ammonium nitrate fuel oil explosive matrix, an emulsion matrix and a stabilizer; the stabilizer accounts for 0.5-2% of the total mass of the packaged heavy ammonium nitrate fuel oil explosive;
wherein the ammonium nitrate fuel oil explosive matrix comprises porous granular ammonium nitrate, a combustible agent and a composite modifier; the composite modifier is a gel, and accounts for 0.5-4% of the total mass of the ammonium nitrate fuel oil explosive matrix.
2. The packaged heavy ammonium nitrate fuel oil explosive according to claim 1, wherein the composite modifier is one or more selected from the group consisting of higher fatty acid salts, polyacrylic acids, polyacrylates, acrylamides and natural vegetable gums;
preferably, the composite modifier is selected from one or more of higher fatty acid salt, polyacrylic acid and polyacrylate.
3. The packaged heavy ammonium nitrate fuel oil explosive according to claim 1 or 2, wherein the combustible agent is one or more selected from mineral oil, ethylene glycol, higher fatty alcohol and lower ester of higher fatty acid; preferably, the mineral oil is selected from one or more of diesel oil, white oil, residual oil and base oil;
and/or the particle size of the porous granular ammonium nitrate is 1.2-2.0 mm.
4. The packaged heavy anfo explosive according to any one of claims 1 to 3, wherein the anfo explosive matrix comprises the following raw materials in percentage by mass:
92.5 to 95.5 percent of porous granular ammonium nitrate
3.5 to 5.5 percent of flammable agent
0.5-4% of composite modifier.
5. The packaged heavy ammonium nitrate fuel oil explosive according to any one of claims 1 to 4, wherein the stabilizer is one or more selected from phosphoric acid sulfuric acid inorganic salts, alkyl sulfates, organic amines and fatty acid glycerides; preferably, the stabilizer is selected from two or more of sodium aluminosilicate, stearyl erucamide, talcum powder and hydroxyethyl cellulose.
6. The packaged heavy ammonium nitrate fuel oil explosive according to any one of claims 1 to 5, which comprises the following raw materials in percentage by mass:
70-90% of ammonium nitrate fuel oil explosive matrix
5-28% of emulsifying base
0.5-2% of a stabilizer.
7. The packaged heavy ammonium nitrate fuel oil explosive according to claim 6, which comprises the following raw materials in percentage by mass:
79-89% of ammonium nitrate fuel oil explosive matrix
10-20% of emulsifying base
1-2% of a stabilizer;
wherein the ammonium nitrate fuel oil explosive matrix comprises the following raw materials:
93-94.5% of porous granular ammonium nitrate
4.5 to 5 percent of flammable agent
1-2% of a composite modifier.
8. The packaged heavy ammonium nitrate fuel oil explosive according to claim 7, which comprises the following raw materials in percentage by mass:
88 percent of ammonium nitrate fuel oil explosive matrix
10 percent of emulsifying base
Mixing 2% of phosphoric acid and sulfuric acid inorganic salt and hydroxyethyl cellulose according to the mass ratio of 1: 9-9: 1;
Wherein the ammonium nitrate fuel oil explosive matrix comprises the following raw materials:
porous granular ammonium nitrate 93%
The diesel oil and the higher fatty acid low-carbon ester are mixed by 5 percent according to the mass ratio of 1: 9-9: 1
And 2% by mass of a mixture of polyacrylic acid and higher fatty acid salt in a mass ratio of 1: 9-9: 1.
9. A method for preparing a packaged heavy ammonium nitrate fuel oil explosive according to any one of claims 1 to 8, which comprises the following steps:
(1) uniformly mixing porous granular ammonium nitrate, a combustible agent and a composite modifier to obtain an ammonium nitrate fuel oil explosive matrix;
(2) mixing the ammonium nitrate fuel oil explosive matrix, an emulsion matrix and a stabilizer under the action of shearing force;
the shear force is 400-600 N.m.
10. The method according to claim 9, wherein the raw materials are continuously and sequentially added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010561643.9A CN111848314A (en) | 2020-06-18 | 2020-06-18 | Packaged heavy ammonium nitrate fuel oil explosive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010561643.9A CN111848314A (en) | 2020-06-18 | 2020-06-18 | Packaged heavy ammonium nitrate fuel oil explosive and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111848314A true CN111848314A (en) | 2020-10-30 |
Family
ID=72986799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010561643.9A Pending CN111848314A (en) | 2020-06-18 | 2020-06-18 | Packaged heavy ammonium nitrate fuel oil explosive and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111848314A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115074162A (en) * | 2022-07-21 | 2022-09-20 | 河北欧狮顿新能源科技有限公司 | Diesel oil-based combustible agent and preparation method and application thereof |
| CN116621666A (en) * | 2023-05-22 | 2023-08-22 | 大连安泰化工有限公司 | Porous granular modified ammonium nitrate fuel oil explosive for underground mine and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1114948A (en) * | 1994-07-13 | 1996-01-17 | 西安近代化学研究所 | Anticaking agent for ammonium nitrate |
| CN1289718A (en) * | 2000-10-12 | 2001-04-04 | 蔡剑斌 | Free-particles loosening agent for ammonium nitrate |
| CN1807369A (en) * | 2006-01-04 | 2006-07-26 | 云南安化有限责任公司 | Environment-friendly type glutinous pellet explosive |
| CN101967073A (en) * | 2010-10-11 | 2011-02-09 | 谢斌 | Heavy ammonium nitrate-fuel oil explosive with detonator sensitivity produced by using chemical sensitization |
| CN104692982A (en) * | 2015-03-09 | 2015-06-10 | 马鞍山江南化工有限责任公司 | Upward hole compressed-air cartridge-loading emulsified ammonium oil explosive with high-temperature resistance and continuous preparation method thereof |
| CN106365933A (en) * | 2016-08-31 | 2017-02-01 | 南京群峰复合材料有限公司 | Heavy ammonium nitrate-fuel oil explosive and preparation method thereof |
| CN106916042A (en) * | 2017-01-22 | 2017-07-04 | 石家庄成功机电有限公司 | A kind of package-type emulsifying ammonium nitrate fuel explosive and preparation method thereof |
-
2020
- 2020-06-18 CN CN202010561643.9A patent/CN111848314A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1114948A (en) * | 1994-07-13 | 1996-01-17 | 西安近代化学研究所 | Anticaking agent for ammonium nitrate |
| CN1289718A (en) * | 2000-10-12 | 2001-04-04 | 蔡剑斌 | Free-particles loosening agent for ammonium nitrate |
| CN1807369A (en) * | 2006-01-04 | 2006-07-26 | 云南安化有限责任公司 | Environment-friendly type glutinous pellet explosive |
| CN101967073A (en) * | 2010-10-11 | 2011-02-09 | 谢斌 | Heavy ammonium nitrate-fuel oil explosive with detonator sensitivity produced by using chemical sensitization |
| CN104692982A (en) * | 2015-03-09 | 2015-06-10 | 马鞍山江南化工有限责任公司 | Upward hole compressed-air cartridge-loading emulsified ammonium oil explosive with high-temperature resistance and continuous preparation method thereof |
| CN106365933A (en) * | 2016-08-31 | 2017-02-01 | 南京群峰复合材料有限公司 | Heavy ammonium nitrate-fuel oil explosive and preparation method thereof |
| CN106916042A (en) * | 2017-01-22 | 2017-07-04 | 石家庄成功机电有限公司 | A kind of package-type emulsifying ammonium nitrate fuel explosive and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115074162A (en) * | 2022-07-21 | 2022-09-20 | 河北欧狮顿新能源科技有限公司 | Diesel oil-based combustible agent and preparation method and application thereof |
| CN116621666A (en) * | 2023-05-22 | 2023-08-22 | 大连安泰化工有限公司 | Porous granular modified ammonium nitrate fuel oil explosive for underground mine and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10723670B2 (en) | Blasting compositions | |
| AU2015337861B2 (en) | Explosive composition and method of delivery | |
| CN111848314A (en) | Packaged heavy ammonium nitrate fuel oil explosive and preparation method thereof | |
| AU679920B2 (en) | Beneficial use of energy-containing wastes | |
| CN104045495A (en) | Viscous and granular anfo (ammonium nitrate and fuel oil) explosive and preparation method thereof | |
| US3202556A (en) | Method for gelling water-bearing explosive compositions containing galactomannan gums | |
| EP2176197A2 (en) | Explosive emulsion compositions and methods of making the same | |
| US6808573B2 (en) | Emulsion phase having improved stability | |
| US3445305A (en) | Gelation of galactomannan containing water-bearing explosives | |
| CN109879710B (en) | Compound oil phase for explosive emulsion matrix, field mixed explosive and preparation method | |
| CN1137071C (en) | Method for preparing loose ammonium nitrate crystals by using anti-hardening agent | |
| CA2403703A1 (en) | Method of gassing emulsion explosives and explosives produced thereby | |
| RU103804U1 (en) | TECHNOLOGICAL LINE FOR THE PRODUCTION OF PATRONIZED EMULSION EXPLOSIVE COMPOSITIONS | |
| CN114773133B (en) | Rock petroleum emulsion explosive for top hole charging | |
| USRE26804E (en) | Temperature co | |
| US5925846A (en) | Method for the production of an ammonium nitrate fuel oil blasting composition having improved water resistance | |
| CN116178090B (en) | Antifreeze agent for coal-based explosive, low-Wen Meiji-resistant explosive and preparation method of antifreeze agent | |
| CN1101639A (en) | Rock type low temperature emulsified explosive and its making method | |
| CN111925260A (en) | High-viscosity colloidal explosive | |
| US20030201041A1 (en) | High energy explosive containing cast particles | |
| CN112573977A (en) | Oil phase for underground mixed emulsion explosive and preparation method thereof | |
| JPH09278578A (en) | Explosive | |
| CN114478144A (en) | Viscous powdery emulsion explosive for top hole and preparation method thereof | |
| RU2281277C2 (en) | Composition of blasting mixtures and a method for preparation thereof | |
| CN114853553A (en) | High-sulfur-content mining emulsion explosive and production process method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |