CN109336725A - A kind of on-site mixed emulsion and preparation method thereof - Google Patents
A kind of on-site mixed emulsion and preparation method thereof Download PDFInfo
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- CN109336725A CN109336725A CN201811227901.9A CN201811227901A CN109336725A CN 109336725 A CN109336725 A CN 109336725A CN 201811227901 A CN201811227901 A CN 201811227901A CN 109336725 A CN109336725 A CN 109336725A
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- Prior art keywords
- oil
- oxidizing agent
- agent solution
- emulsion
- aqueous oxidizing
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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
- C06B31/30—Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate with vegetable matter; with resin; with rubber
-
- 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
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
- C06B23/009—Wetting agents, hydrophobing agents, dehydrating agents, antistatic additives, viscosity improvers, antiagglomerating agents, grinding agents and other additives for working up
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06D—MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART)
- C06D5/00—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
- C06D5/10—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets by reaction of solids with liquids
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Edible Oils And Fats (AREA)
- Fats And Perfumes (AREA)
Abstract
The present invention relates to a kind of on-site mixed emulsion and preparation method thereof, which includes aqueous oxidizing agent solution and oily phase；It include ammonium nitrate, sodium nitrate and water in aqueous oxidizing agent solution；Aqueous oxidizing agent solution accounts for the 70%-97% of emulsion gross mass；Oily mutually includes mineral oil, vegetable oil and emulsifier；Oil mutually accounts for the 3%-30% of emulsion gross mass.On-site mixed emulsion of the invention can prevent high shear make emulsion retrogradation, viscosity increase and decrease, from and cause emulsion demulsification crystallization method.Part oil is mutually replaced by vegetable oil in explosive.The viscosity of this kind of explosive is high, the crystallization of oxidant caused by shearing can be prevented, particularly suitable for upward hole powder charge.
Description
Technical field
The present invention relates to a kind of on-site mixed emulsions and preparation method thereof, belong to explosive preparation technical field.
Background technique
Emulsion has been widely used in mining explosion.It is to prevent explosive when powder charge from skidding off for upward blasthole
Blasthole, the emulsion used must have higher viscosity, but its viscosity again cannot be excessively high to be suitble to pumping simultaneously.To improve
Viscosity must carry out high shear to emulsion just to increase its viscosity.But it is influenced by shearing force, high shear can make emulsion
Tend to be unstable, the oxidant in water phase starts to crystallize, this to crystallize the demolition effect that will affect explosive or even miss-fire.
It is fried that Chinese patent document CN103159576A (201110410658.6) discloses a kind of pumpable emulsification of low viscosity
Medicine matrix and preparation method thereof, the process of dynamite substrate are mutually formed through emulsification by oxidizer salt aqueous solution and oil, institute
Stating aqueous oxidizing agent solution includes ammonium nitrate, thiocarbamide, sodium carbonate and water；The oil phase composition are as follows: oil content and emulsifier, the emulsification
Agent is the mixture of polyisobutylene butanedioic anhydride emulsifier and sorbester p17.
Chinese patent document CN103694068A (application number: 201310729906.2) discloses a kind of emulsion plant
Object type composite oil phase, main component are vegetable wax and vegetable oil, which is characterized in that by following material composition, each component total amount is
100%, each component and its mass percent are as follows: vegetable wax: 20-50%, vegetable oil: 10-25%, slack wax: 10-
25%, emulsifier: 20-35%, additive: 5-15%.
But explosive described in above-mentioned patent document is package-type emulsion, and package-type emulsion with load in mixture
There are significant differences for emulsion, use vegetable oil as one of ingredient just to reduce production cost, crystallisation problems are still
Effective solution is not obtained so.
In order to overcome crystallisation problems, Surfactant Ratio can be improved to improve the covered effect of oxidant water phase, but this
Kind mode will increase the usage amount of emulsifier, to improve cost.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of on-site mixed emulsion that Recipe is simple, economic
And preparation method thereof, to solve the problems, such as the easily demulsification crystallization under high shear of existing emulsion.The present invention is by emulsifying
It is at least realized with a part of vegetable oil substitution emulsion oil phase in explosive.
Technical scheme is as follows:
A kind of on-site mixed emulsion, including aqueous oxidizing agent solution and oily phase；
It include ammonium nitrate, sodium nitrate and water in the aqueous oxidizing agent solution；
The aqueous oxidizing agent solution accounts for the 70%-97% of emulsion gross mass；
The oil mutually includes mineral oil, vegetable oil and emulsifier；
The oil mutually accounts for the 3%-30% of emulsion gross mass.
, according to the invention it is preferred to, the aqueous oxidizing agent solution accounts for the 85%-95% of emulsion gross mass；Institute
The oil stated mutually accounts for the 5%-15% of emulsion gross mass.
, according to the invention it is preferred to, in the aqueous oxidizing agent solution: ammonium nitrate accounts for aqueous oxidizing agent solution quality
67%-71%, sodium nitrate account for the 13%-17% of aqueous oxidizing agent solution quality, water accounts for the 14%- of aqueous oxidizing agent solution quality
18%.More preferable: ammonium nitrate accounts for the 69% of aqueous oxidizing agent solution quality, sodium nitrate and accounts for the 15% of aqueous oxidizing agent solution quality, water
Account for the 16% of aqueous oxidizing agent solution quality.
, according to the invention it is preferred to, in the oily phase: vegetable oil accounts for the 30%-70% of oily phase quality, more preferably
40%-65%.According to the degree for preventing shearing from causing crystallization, vegetable oil at least needs to account for the 30% of oily phase quality.
, according to the invention it is preferred to, the vegetable oil at least contains a kind of glyceryl, it is furthermore preferred that the plant
Oil are as follows: cereal oil, soybean oil, sunflower oil, rapeseed oil, corn oil, linseed oil, peanut oil, safflower oil or above-mentioned substance mix
It closes.
, according to the invention it is preferred to, the emulsifier accounts for ratio≤5% of emulsion gross mass, more preferable 0.4-
3.0%.Using less emulsifier be conducive to emulsification stabilization and save the cost, but the amount of emulsifier it is minimum must assure that it is fried
Medicine can achieve the desired results.
, according to the invention it is preferred to, the emulsifier is that sorbitol ester, lecithin or polyisobutylene succinic acid are sub-
Amine.
, according to the invention it is preferred to, the mineral oil includes aliphatic, alicyclic, aromatic compound or above-mentioned substance
Mixing, these substances are flowable liquids at normal temperature；It is furthermore preferred that the mineral oil is gasoline, diesel oil, smelting furnace are oily,
The mixing of kerosene, naphtha, paraffin oil or above-mentioned substance, most preferably paraffin oil.
According to the present invention, the preparation method of above-mentioned on-site mixed emulsion, including steps are as follows；
(1) aqueous oxidizing agent solution is prepared:
The water measured in proportion is heated to 70-80 DEG C, the ammonium nitrate measured in proportion, sodium nitrate are then added to water
In, until dissolution finishes, 70-80 DEG C of solution temperature of holding is spare for stirring；
(2) oily phase is prepared:
The mineral oil measured in proportion, vegetable oil and emulsifier are heated to 85-95 DEG C and are uniformly mixed；
(3) emulsion is prepared:
Aqueous oxidizing agent solution is slowly added in oily phase to get emulsion in the case of stirring.
Compared with the prior art, the present invention has the following advantages:
1, vegetable oil is introduced into emulsion oil phase by the present invention, can obtain higher viscosity in a relatively short period of time.
2, oxidant caused by capable of preventing due to shearing crystallizes.
3, raw material sources are simple, at low cost, can reduce the use of fossil feedstock.
Specific embodiment
Below by specific embodiment, the present invention will be further described, but not limited to this.
Embodiment 1-2
The formula of emulsion is as shown in table 1.
The composition of aqueous oxidizing agent solution described in embodiment 1-2 and comparative example 1: ammonium nitrate 69g, sodium nitrate 15g, water 16g.
1 different formulations oil of table is with respect to emulsion viscosity influence
Preparation step is as follows:
(1) it prepares aqueous oxidizing agent solution: the water measured in proportion being heated to 75 DEG C, the nitric acid that then will be measured in proportion
Ammonium, sodium nitrate are added to the water, until dissolution finishes, 75 DEG C of solution temperature of holding is spare for stirring.
(2) it prepares oily phase: the mineral oil measured in proportion, vegetable oil and emulsifier being heated to 90 DEG C and are stirred
It is even.
(3) it prepares process of dynamite substrate: oil is slowly added in aqueous oxidizing agent solution in the case where 600r/min stirring
Xiang Zhong forms process of dynamite substrate and measures matrix viscosity.
As it can be seen from table 1 the equal retrogradation under shear action of the process of dynamite substrate of comparative example 1 and embodiment 1.And implement
Example 1-2 is added to vegetable oil, can reach higher viscosity in a relatively short period of time.Illustrate emulsion of the invention by adding
Add vegetable oil that can obtain higher viscosity under shearing few as far as possible, thus avoid because excessive shear because rise crystallization.
Embodiment 3
A kind of on-site mixed emulsion, including aqueous oxidizing agent solution 70g and oily phase 30g；
The aqueous oxidizing agent solution composition: ammonium nitrate 69g, sodium nitrate 15g and water 16g；
The oily phase composition: mineral oil 61g, vegetable oil 30g and emulsifier 9g, the mineral oil are paraffin oil, institute
The vegetable oil stated is soybean oil, and the emulsifier is polyisobutylene succinic acid imines.
The preparation method is the same as that of Example 1.
Embodiment 4
A kind of on-site mixed emulsion, including aqueous oxidizing agent solution 80g and oily phase 20g；
The aqueous oxidizing agent solution composition: ammonium nitrate 69g, sodium nitrate 15g and water 16g；
The oily phase composition: mineral oil 60g, vegetable oil 35g and emulsifier 5g, the mineral oil is diesel oil, described
Vegetable oil be peanut oil, the emulsifier be lecithin.
The preparation method is the same as that of Example 1.
Embodiment 5
A kind of on-site mixed emulsion, including aqueous oxidizing agent solution 90g and oily phase 10g；
The aqueous oxidizing agent solution composition: ammonium nitrate 69g, sodium nitrate 15g and water 16g；
The oily phase composition: mineral oil 55g, vegetable oil 40g and emulsifier 5g, the mineral oil is diesel oil, described
Vegetable oil be corn oil, the emulsifier be sorbitol ester.
The preparation method is the same as that of Example 1.
Embodiment 6
A kind of on-site mixed emulsion, including aqueous oxidizing agent solution 95g and oily phase 5g；
The aqueous oxidizing agent solution composition: ammonium nitrate 69g, sodium nitrate 15g and water 16g；
The oily phase composition: mineral oil 45g, vegetable oil 45g and emulsifier 10g, the mineral oil are paraffin oil, institute
The vegetable oil stated is soybean oil, and the emulsifier is sorbitol ester.
The preparation method is the same as that of Example 1.
Embodiment 7
A kind of on-site mixed emulsion, including aqueous oxidizing agent solution 85g and oily phase 15g；
The aqueous oxidizing agent solution composition: ammonium nitrate 69g, sodium nitrate 15g and water 16g；
The oily phase composition: mineral oil 42g, vegetable oil 50g and emulsifier 8g, the mineral oil are paraffin oil, institute
The vegetable oil stated is rapeseed oil, and the emulsifier is polyisobutylene succinic acid imines.
The preparation method is the same as that of Example 1.
Comparative example 2
As described in Example 3, unlike:
The on-site mixed emulsion, including aqueous oxidizing agent solution 65g and oily phase 35g.
Since aqueous oxidizing agent solution and oily Phase Proportion substantial deviation zero oxygen balance, explosive cannot be detonated.
Claims (10)
1. a kind of on-site mixed emulsion, including aqueous oxidizing agent solution and oily phase；
It is characterized in that,
It include ammonium nitrate, sodium nitrate and water in the aqueous oxidizing agent solution；
The aqueous oxidizing agent solution accounts for the 70%-97% of emulsion gross mass；
The oil mutually includes mineral oil, vegetable oil and emulsifier；
The oil mutually accounts for the 3%-30% of emulsion gross mass.
2. on-site mixed emulsion according to claim 1, which is characterized in that the aqueous oxidizing agent solution accounts for cream
Change the 85%-95% of explosive gross mass；The oil mutually accounts for the 5%-15% of emulsion gross mass.
3. on-site mixed emulsion according to claim 1, which is characterized in that in the aqueous oxidizing agent solution: nitre
Sour ammonium accounts for the 67%-71% of aqueous oxidizing agent solution quality, sodium nitrate accounts for the 13%-17% of aqueous oxidizing agent solution quality, water accounts for oxygen
The 14%-18% of agent aqueous solution quality.
4. on-site mixed emulsion according to claim 1, which is characterized in that in the oily phase: vegetable oil accounts for oil
The 30%-70% of phase quality, preferably 40%-65%.
5. on-site mixed emulsion according to claim 1, which is characterized in that the vegetable oil at least contains one kind
Glyceryl；Preferably, the vegetable oil are as follows: cereal oil, soybean oil, sunflower oil, rapeseed oil, corn oil, linseed oil, peanut
The mixing of oil, safflower oil or above-mentioned substance.
6. on-site mixed emulsion according to claim 1, which is characterized in that it is total that the emulsifier accounts for emulsion
Ratio≤5% of quality, preferably 0.4-3.0%.
7. on-site mixed emulsion according to claim 1, which is characterized in that the emulsifier is D-sorbite
Ester, lecithin or polyisobutylene succinic acid imines.
8. on-site mixed emulsion according to claim 1, which is characterized in that the mineral oil include aliphatic,
The mixing of alicyclic, aromatic compound or above-mentioned substance.
9. on-site mixed emulsion according to claim 8, which is characterized in that the mineral oil be gasoline, diesel oil,
The mixing of smelting furnace oil, kerosene, naphtha, paraffin oil or above-mentioned substance.
10. the preparation method of the described in any item on-site mixed emulsions of claim 1-9, including steps are as follows；
(1) aqueous oxidizing agent solution is prepared:
The water measured in proportion is heated to 70-80 DEG C, then the ammonium nitrate measured in proportion, sodium nitrate are added to the water,
Until dissolution finishes, 70-80 DEG C of solution temperature of holding is spare for stirring；
(2) oily phase is prepared:
The mineral oil measured in proportion, vegetable oil and emulsifier are heated to 85-95 DEG C and are uniformly mixed；
(3) emulsion is prepared:
Aqueous oxidizing agent solution is slowly added in oily phase to get emulsion in the case of stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227901.9A CN109336725B (en) | 2018-10-22 | 2018-10-22 | On-site mixed emulsion explosive and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227901.9A CN109336725B (en) | 2018-10-22 | 2018-10-22 | On-site mixed emulsion explosive and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109336725A true CN109336725A (en) | 2019-02-15 |
| CN109336725B CN109336725B (en) | 2023-05-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950721A (en) * | 2019-12-31 | 2020-04-03 | 雅化集团雅安实业有限公司 | Method for treating emulsified waste medicine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA925293A (en) * | 1967-10-16 | 1973-05-01 | J. Lissant Kenneth | Thixotropic emulsions |
| CN101475423A (en) * | 2008-11-15 | 2009-07-08 | 安徽江南化工股份有限公司 | High performance on-site mixed emulsified explosive |
| CN106431791A (en) * | 2016-09-27 | 2017-02-22 | 江西抚州国泰特种化工有限责任公司 | Plant type compound oil phase used for mixed loading vehicle producing emulsion explosive and preparing method thereof |
-
2018
- 2018-10-22 CN CN201811227901.9A patent/CN109336725B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA925293A (en) * | 1967-10-16 | 1973-05-01 | J. Lissant Kenneth | Thixotropic emulsions |
| CN101475423A (en) * | 2008-11-15 | 2009-07-08 | 安徽江南化工股份有限公司 | High performance on-site mixed emulsified explosive |
| CN106431791A (en) * | 2016-09-27 | 2017-02-22 | 江西抚州国泰特种化工有限责任公司 | Plant type compound oil phase used for mixed loading vehicle producing emulsion explosive and preparing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950721A (en) * | 2019-12-31 | 2020-04-03 | 雅化集团雅安实业有限公司 | Method for treating emulsified waste medicine |
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| CN109336725B (en) | 2023-05-09 |
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