CN114249624A - Composite grease for improving stability of emulsion explosive - Google Patents
Composite grease for improving stability of emulsion explosive Download PDFInfo
- Publication number
- CN114249624A CN114249624A CN202011019545.9A CN202011019545A CN114249624A CN 114249624 A CN114249624 A CN 114249624A CN 202011019545 A CN202011019545 A CN 202011019545A CN 114249624 A CN114249624 A CN 114249624A
- Authority
- CN
- China
- Prior art keywords
- wax
- naphthenate
- emulsion explosive
- compound grease
- friction modifier
- 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
- 239000000839 emulsion Substances 0.000 title claims abstract description 57
- 239000002360 explosive Substances 0.000 title claims abstract description 55
- 239000004519 grease Substances 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 title abstract description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 27
- 239000003607 modifier Substances 0.000 claims abstract description 16
- 125000005609 naphthenate group Chemical group 0.000 claims abstract description 14
- 229920000642 polymer Polymers 0.000 claims abstract description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- -1 polypropylene Polymers 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- NKFIBMOQAPEKNZ-UHFFFAOYSA-N 5-amino-1h-indole-2-carboxylic acid Chemical compound NC1=CC=C2NC(C(O)=O)=CC2=C1 NKFIBMOQAPEKNZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 229940120693 copper naphthenate Drugs 0.000 claims description 3
- SEVNKWFHTNVOLD-UHFFFAOYSA-L copper;3-(4-ethylcyclohexyl)propanoate;3-(3-ethylcyclopentyl)propanoate Chemical compound [Cu+2].CCC1CCC(CCC([O-])=O)C1.CCC1CCC(CCC([O-])=O)CC1 SEVNKWFHTNVOLD-UHFFFAOYSA-L 0.000 claims description 3
- 239000000539 dimer Substances 0.000 claims description 3
- WIBFFTLQMKKBLZ-SEYXRHQNSA-N n-butyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCCCC WIBFFTLQMKKBLZ-SEYXRHQNSA-N 0.000 claims description 3
- 229940049964 oleate Drugs 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- WSFQLUVWDKCYSW-UHFFFAOYSA-M sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN1CCOCC1 WSFQLUVWDKCYSW-UHFFFAOYSA-M 0.000 claims description 3
- 239000004831 Hot glue Substances 0.000 claims description 2
- 239000010775 animal oil Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 2
- 239000008158 vegetable oil Substances 0.000 claims description 2
- 239000001993 wax Substances 0.000 claims 11
- 239000012188 paraffin wax Substances 0.000 claims 3
- 238000003860 storage Methods 0.000 abstract description 10
- 238000004880 explosion Methods 0.000 abstract description 6
- 238000005422 blasting Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 14
- 238000003756 stirring Methods 0.000 description 14
- 239000003921 oil Substances 0.000 description 13
- 235000019198 oils Nutrition 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 4
- 239000003995 emulsifying agent Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000001804 emulsifying effect Effects 0.000 description 3
- 239000004816 latex Substances 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 235000019362 perlite Nutrition 0.000 description 3
- 239000010451 perlite Substances 0.000 description 3
- 235000010344 sodium nitrate Nutrition 0.000 description 3
- 239000004317 sodium nitrate Substances 0.000 description 3
- 206010070834 Sensitisation Diseases 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000008313 sensitization Effects 0.000 description 2
- 239000012190 activator Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000008384 inner phase Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
- C06B23/006—Stabilisers (e.g. thermal stabilisers)
-
- 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
- C06B21/0008—Compounding the ingredient
-
- 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
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)
- Lubricants (AREA)
Abstract
The invention discloses a composite grease for improving the stability of an emulsion explosive, which belongs to the field of civil blasting equipment. Specifically, the oil friction modifier comprises, by mass, 6.0% -10.0% of an oil friction modifier, 1% -6% of naphthenate, 10.0% -25.0% of a second-line wax, 15.0% -35.0% of a third-line wax, 20.0% -50.0% of a fourth-line oil and 3.0% -10.0% of a polymer wax. Compared with the emulsion explosive prepared by the existing compound wax, the emulsion explosive prepared by the compound grease has the advantages that the stability is obviously improved, the natural storage period is prolonged by 15 months, and the high-low temperature cycle times are improved by 10 times; the explosion performance still accords with the performance index of the emulsion explosive in GB28286-2012 general conditions for industrial explosive technology.
Description
Technical Field
The invention relates to an external phase material for preparing an emulsion explosive, belongs to the field of civil blasting equipment, and particularly relates to a compound grease for improving the stability of the emulsion explosive.
Background
The emulsion explosive is a thermodynamically unstable system, wherein the emulsion explosive is a W/O type emulsion formed by taking micro droplets of a supersaturated inorganic salt oxidant aqueous solution as a disperse phase and fuel oil as a continuous phase and reducing the interfacial tension of oil and water through an emulsifier, and then the emulsion explosive is formed through physical or chemical sensitization; during the production, storage and use processes of the emulsion explosive, the emulsion explosive is often influenced by internal and external factors to cause emulsion breaking, performance attenuation and even explosion rejection, so that the stability of the emulsion explosive determines whether the emulsion explosive has vitality and competitiveness; the oil phase material is used as an important component of the emulsion explosive, the strength of an oil-water interfacial film formed by the oil phase material plays an important role in preventing crystallization of ammonium nitrate in the inner phase and damage of an emulsion film, the existing composite wax for the emulsion explosive has excellent performance, but the emulsion explosive has poor stability due to low strength of the formed emulsion interfacial film, is easy to delaminate and demulsify in the storage process, so that the detonation performance of the emulsion explosive is reduced and even refuses detonation, and therefore, certain oily friction modifiers and naphthenate are adopted to form a novel oil phase material, and the improvement of the stability of the emulsion explosive has important significance.
The compound oil phase oilless friction modifier for the emulsion explosive described in the patent CN201410475312.8 has storage stability only meeting the national standard, namely 6 months; the compound oil phase of the emulsion explosive disclosed in the patent CN 201810857998.5 is free of an oily friction modifier and naphthenate, and the storage stability is only 9 months; the CN 201810947405.4 patent mainly relates to the preparation of emulsion explosive renewable oil phase, does not have oily friction modifier and naphthenate, does not mention the storage stability of emulsion explosive, also does not have the explosive property characterization of emulsion explosive; the oil phase described in the patent CN 201510385795.7 can be only applied to emulsion explosives produced by a high-temperature sensitization process, and has no oil friction modifier and naphthenate, the natural storage period of the emulsion explosives is not mentioned, and the high-temperature and low-temperature cycle times are only 20 times; the compound oil phase of the emulsion explosive described in the patent CN 201010589540.X has no high molecular activator, and the storage stability only meets the national standard, namely 6 months.
Disclosure of Invention
In view of the above, the invention aims to provide a special compound grease for emulsion explosives by introducing an oily friction modifier and naphthenate to overcome the defects of the prior art of the special compound wax for the emulsion explosives in China, so as to improve the stability and the explosion performance of the emulsion explosives. The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the compound grease for improving the stability of the emulsion explosive comprises an oily friction modifier, naphthenate, second-line wax, third-line wax, fourth-line wax and polymerized wax.
The composite grease comprises the following components in percentage by mass: 6.0-10.0% of oily friction modifier, 1-6% of naphthenate, 10.0-25.0% of second wax, 5.0-35.0% of third wax, 20.0-50.0% of fourth wax and 3.0-10.0% of polymer wax.
Further, the oil friction modifier is 6.0-10.0%, the naphthenate is 2-5%, the reduced linear wax is 10.0-20.0%, the reduced linear wax is 20.0-34.0%, the reduced linear wax is 30.0-43.0%, and the polymer wax is 5.0-8.0%.
The oily friction modifier is one or a mixture of dimer acid, ethylene glycol oleate, butyl oleate and vulcanized animal and vegetable oil.
The naphthenate is one or a mixture of zinc naphthenate, calcium naphthenate, iron naphthenate and copper naphthenate.
The polymeric wax is one or a combination of random polypropylene, polyethylene wax, butadiene-styrene copolymer and hot melt adhesive.
The invention has the beneficial effects that:
compared with the prior art, the invention has the following remarkable advantages: compared with the existing emulsion explosive, the emulsion explosive prepared from the emulsion explosive compound grease has the advantages that the stability is obviously improved, the natural storage period reaches 18 months (the storage period of the existing emulsion explosive is 6 months), the times of high-low temperature circulation (high temperature is 50 +/-2 ℃, constant temperature is 12 hours, low temperature is shifted to-20 ℃, constant temperature is 12 hours, and every 24 hours is one circulation) reach 30 (the times of high-low temperature circulation of the existing emulsion explosive is 15, and emulsion breaking is carried out later), and the explosive performance of the emulsion explosive still meets the performance index of the emulsion explosive in GB28286-2012 'Industrial explosive general technical conditions'.
Detailed Description
The invention is further described below with reference to specific embodiments.
Example 1
Preparing the compound grease: 6.0 percent of ethylene glycol oleate, 5 percent of zinc naphthenate, 20.0 percent of minus two-line wax, 34.0 percent of minus three-line wax, 30.0 percent of minus four-line oil and 5.0 percent of atactic polypropylene, wherein the total amount of all the components is 90g, the components are heated and melted, and the mixture is stirred uniformly at 85-95 ℃ and is kept warm for standby application.
Preparation of an aqueous phase: heating 1870g of 82.8% ammonium nitrate, 6.5% sodium nitrate and 10.7% water, stirring, and keeping at 90-100 deg.C.
Preparing an emulsion explosive: dissolving 2% of 40g of emulsifier SP-80 in the compound grease, stirring uniformly, slowly adding the water phase into the compound grease under stirring at the rotating speed of 1450r/min, and stirring and emulsifying for 5min to obtain an emulsion matrix; cooling the latex matrix to 50-55 deg.C, adding 3.5% (additional) expanded perlite, mixing well, and packaging
Forming emulsion explosive (the charge density is 1.10-1.18 g/cm) in the plastic film3)。
Stability performance: and (3) naturally storing the emulsion explosive for 18 months, and then detecting the performance:
explosion speed: 4750m/s, gap distance of 4cm, and explosive degree of 18.2 mm; no layering, hardening and demulsification phenomena are generated after 30 high-temperature and low-temperature cycles.
Example 2
Preparing the compound grease: heating and melting 90g of dimer acid 8.0%, calcium naphthenate 3%, second-line wax 10.0%, third-line wax 30.0%, fourth-line wax 43.0% and polyethylene wax 6.0%, stirring uniformly at 85-95 deg.C, and keeping the temperature for later use.
Preparation of an aqueous phase: heating 1870g of 82.8% ammonium nitrate, 6.5% sodium nitrate and 10.7% water, stirring, and keeping at 90-100 deg.C.
Preparing an emulsion explosive: dissolving 2% of 40g of emulsifier SP-80 in the compound grease, stirring uniformly, slowly adding the water phase into the compound grease under stirring at the rotating speed of 1450r/min, and stirring and emulsifying for 5min to obtain an emulsion matrix; cooling the latex matrix to 50-55 deg.C, adding 3.5% (additional) expanded perlite, mixing well, and packaging
Forming emulsion explosive (the charge density is 1.11-1.17 g/cm) in the plastic film3)。
Stability performance: and (3) naturally storing the emulsion explosive for 18 months, and then detecting the performance:
explosion speed: 4930m/s, gap distance of 4cm, and explosive degree of 18.8 mm; no layering, hardening and demulsification phenomena are generated after 30 high-temperature and low-temperature cycles.
Example 3
Preparing the compound grease: heating and melting 90g of 10.0% of butyl oleate, 2% of copper naphthenate, 20.0% of minus two-line wax, 20.0% of minus three-line wax, 40.0% of minus four-line oil and 8.0% of butadiene-styrene copolymer, uniformly stirring at 85-95 ℃, and keeping the temperature for later use.
Preparation of an aqueous phase: heating 1870g of 82.8% ammonium nitrate, 6.5% sodium nitrate and 10.7% water, stirring, and keeping at 90-100 deg.C.
Preparing an emulsion explosive: dissolving 2% of 40g of emulsifier SP-80 in the compound grease, stirring uniformly, slowly adding the water phase into the compound grease under stirring at the rotating speed of 1450r/min, and stirring and emulsifying for 5min to obtain an emulsion matrix; cooling the latex matrix to 50-55 deg.C, adding 3.5% (additional) expanded perlite, mixing well, and packaging
Plastic filmIn the process, an emulsion explosive (the charge density is 1.12-1.19 g/cm)3)。
Stability performance: and (3) naturally storing the emulsion explosive for 18 months, and then detecting the performance: explosion speed: 5030m/s, gap distance of 4cm, and blast intensity of 19.5 mm; no layering, hardening and demulsification phenomena are generated after 30 high-temperature and low-temperature cycles.
Claims (6)
1. A compound grease for improving the stability of an emulsion explosive is characterized by comprising: the components of the compound grease comprise an oily friction modifier, naphthenate, second-line wax, third-line wax, fourth-line wax and polymerized wax.
2. The compound grease as claimed in claim 1, wherein the compound grease comprises the following components in percentage by mass: 6.0-10.0% of oily friction modifier, 1-6% of naphthenate, 10.0-25.0% of second wax, 5.0-35.0% of third wax, 20.0-50.0% of fourth wax and 3.0-10.0% of polymer wax.
3. The compound grease as claimed in claim 2, characterized in that the oily friction modifier is 6.0-10.0%, naphthenate is 2-5%, minus paraffin is 10.0-20.0%, minus paraffin is 20.0-34.0%, minus paraffin is 30.0-43.0%, and polymer wax is 5.0-8.0%.
4. The compound grease as claimed in claim 2, wherein the oily friction modifier is one or a mixture of dimer acid, ethylene glycol oleate, butyl oleate and vulcanized animal and vegetable oil.
5. The compound grease as claimed in claim 2, wherein the naphthenate is one or more of zinc naphthenate, calcium naphthenate, iron naphthenate and copper naphthenate.
6. The compound grease as claimed in claim 2, wherein the polymeric wax is one or more of random polypropylene, polyethylene wax, butadiene-styrene copolymer, and hot melt adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011019545.9A CN114249624A (en) | 2020-09-24 | 2020-09-24 | Composite grease for improving stability of emulsion explosive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011019545.9A CN114249624A (en) | 2020-09-24 | 2020-09-24 | Composite grease for improving stability of emulsion explosive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114249624A true CN114249624A (en) | 2022-03-29 |
Family
ID=80790156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011019545.9A Pending CN114249624A (en) | 2020-09-24 | 2020-09-24 | Composite grease for improving stability of emulsion explosive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114249624A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4420349A (en) * | 1982-02-02 | 1983-12-13 | C-I-L Inc. | Emulsion explosive compositions and method of preparation |
| CN1174181A (en) * | 1996-08-20 | 1998-02-25 | 中国石油化工总公司 | Emulsified explosive |
| CN101172914A (en) * | 2006-11-01 | 2008-05-07 | 中国石油化工股份有限公司 | Composite wax for powder emulsifying blasting agent |
| CN101649228A (en) * | 2009-07-21 | 2010-02-17 | 占小玲 | High water-content microemulsion diesel oil containing microemulsion heat value agent |
| CN102464518A (en) * | 2010-11-04 | 2012-05-23 | 中国石油化工股份有限公司 | Low-temperature-resisting emulsion explosive |
| CN103946184A (en) * | 2011-11-17 | 2014-07-23 | 戴诺诺贝尔亚太股份有限公司 | Blasting compositions |
| CN105859492A (en) * | 2016-04-01 | 2016-08-17 | 河南久联神威民爆器材有限公司 | Special compound oil phase for emulsion explosive and preparation method thereof |
| CN110387273A (en) * | 2019-07-11 | 2019-10-29 | 刘元彬 | The micro emulsion diesel fuel of environmentally protective low cost |
| CN111440038A (en) * | 2020-06-05 | 2020-07-24 | 陈龙 | Emulsion explosive capable of quickly adjusting hardness and viscosity and preparation method thereof |
-
2020
- 2020-09-24 CN CN202011019545.9A patent/CN114249624A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4420349A (en) * | 1982-02-02 | 1983-12-13 | C-I-L Inc. | Emulsion explosive compositions and method of preparation |
| CN1174181A (en) * | 1996-08-20 | 1998-02-25 | 中国石油化工总公司 | Emulsified explosive |
| CN101172914A (en) * | 2006-11-01 | 2008-05-07 | 中国石油化工股份有限公司 | Composite wax for powder emulsifying blasting agent |
| CN101649228A (en) * | 2009-07-21 | 2010-02-17 | 占小玲 | High water-content microemulsion diesel oil containing microemulsion heat value agent |
| CN102464518A (en) * | 2010-11-04 | 2012-05-23 | 中国石油化工股份有限公司 | Low-temperature-resisting emulsion explosive |
| CN103946184A (en) * | 2011-11-17 | 2014-07-23 | 戴诺诺贝尔亚太股份有限公司 | Blasting compositions |
| CN105859492A (en) * | 2016-04-01 | 2016-08-17 | 河南久联神威民爆器材有限公司 | Special compound oil phase for emulsion explosive and preparation method thereof |
| CN110387273A (en) * | 2019-07-11 | 2019-10-29 | 刘元彬 | The micro emulsion diesel fuel of environmentally protective low cost |
| CN111440038A (en) * | 2020-06-05 | 2020-07-24 | 陈龙 | Emulsion explosive capable of quickly adjusting hardness and viscosity and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 煤炭科学院北京开采所乳化油组: "《材料形成摩擦与润滑 第2版》", 煤炭工业出版社, pages: 28 - 29 * |
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