rock emulsion explosive

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Zhejiang Limin Chemical Industry Co.,Ltd.--2# Rock .

2# Rock Emulsion Explosive Porous granular ammonium nitrate fuel oil mixture Emulsion granular ammonium nitrate fuel oil mixture About us Zhejiang Limin Chemical Industry Co.,Ltd. is a designated production enterprise of national civil explosive equipments ...

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(PDF) Experimental investigation on the TNT equivalence .

The explosive used in the test was rock emulsion explosive manufactured by Nanjing Changshan Chemical Co., Ltd., and the shape of the explosive was cylindrical. The TNT equivalence coefficient of ...

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Bulk emulsions - BME

Bulk emulsions BME is the market leader in emulsions and explosives into Africa. BME was the first explosives company to introduce cold emulsions into South African opencast mines. Consequently, our INNOVEX brand of bulk emulsions has become

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Observation of the shock resistance of emulsion .

The U.S. Department of Energy's Office of Scientific and Technical Information OSTI.GOV Conference: Observation of the shock resistance of emulsion explosives in rock blasting

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rock emulsion explosive

rock emulsion explosive For each project scheme design, we will use professional knowledge to help you, carefully listen to your demands, respect your opinions, and use our professional teams and exert our greatest efforts to create a more suitable project scheme for you and realize the project investment value and profit more quickly.

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Chapter 2 EXPLOSIVES

For blasting in hard rock, a high-velocity explosive is preferable. In a softer or highly jointed rock, a low-velocity explosive, for example,(ANFO) with a heaving action may give satisfactory results at a lower cost. Some explosives, and particularly blasting agents ...

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EP2360133A2 - Emulsion explosives - Google Patents

A method of producing an emulsion explosive for use in an underground mining operation is provided. The method includes feeding, by means of gravity, an emulsion explosive oxidizer from an oxidizer source to an underground oxidizer holding zone in a mine, while ...

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Experimental Study on the Performance of on-site Mixed .

The proportion of on-site mixed emulsion explosives in mining is getting higher and higher, in order to better use the explosive performance of mixed explosives to improve energy utilization. Based on the wave impedance theory, the wave impedance of mixed explosives is changed to make rocks The wave impedances are matched to achieve the purpose of improving the blasting effect and reducing the ...

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Nitrogen residues from bulk emulsion explosives in .

The main raw material of emulsion explosive is ammonium nitrate, which contains a significant percentage of nitrogen. If the explosives do not detonate perfectly, it results in increased nitrogen load in the nature, because the explosive residues start to dissolve from blasted rock to water.

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IDL Explosives - Explosives

Slurry and Emulsion explosive products manufactured by IDL are devoid of any self-explosive ingredients and hence safe during manufacture, handling, transport, storage and usage. These explosives have excellent bore-hole coupling and result in high loading density in the bore-hole.

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Emulsion explosive material for Hard Rock blasting - .

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EX9139 Explosive Emulsifier-corelogy emulsifier

The emulsion explosive made of EX9139 has more advantages than that made of other PIBSA based emulsifiers, including: 1. Applicable to any formula and not influenced by other surfactants. 2. Excellent emulsifying performance. 3. Compatible with oil-phase ...

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Rock Blasting and Explosives Engineering - ResearchGate

The analysis was based on data from five field investigations carried out at tunnel sites in Sweden and Finland where emulsion ... energy delivered by the explosive is transformed in rock blasting ...

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Experimental Study of Bilinear Initiating System Based on .

The results show that the detonation pressure of No. 2 rock emulsion explosive can be increased 2.41, 2.47, and 3.08 times, respectively. A comparison of the physical simulation experimental results shows that the fracture area is larger and the rock fragmentation ratio of the bilinear initiating system is higher than that of the detonator initiating system.

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Nitrogen residues from bulk emulsion explosives in .

The main raw material of emulsion explosive is ammonium nitrate, which contains a significant percentage of nitrogen. If the explosives do not detonate perfectly, it results in increased nitrogen load in the nature, because the explosive residues start to dissolve from blasted rock to water.

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What is the difference between emulsion explosives and .

Emulsion Explosive emulsion explosive is the use of the role of emulsifier, so that the oxidant salt solution of water droplets, evenly dispersed in the dispersion of bubbles or hollow glass beads and other porous substances in the oil phase continuous medium, the ...

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USE OF BULK EMULSION EXPLOSIVE TO IMPROVE .

It is well known that bulk emulsion explosive has become a main direction in development of mining explosives.In the condition of using Site Mixed Emulsion explosive (SME),the charging and blasting performances can be improved,thus raising ...

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--cnki

Rock powdery emulsion explosive (RPEE) is a new high performance explosive which contain no TNT in the formula. 。 The improved method to determine the composition of rock powdery emulsion ...

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Numerical simulation of rock mass blasting using particle .

type of explosive was the 2# rock emulsion explosive, the charge amount was 60 g, the depth of burial of the explosive was 0.5 m. A total of 9 groups of experiments were conducted. A schematic diagram of the explosion device and the vibrationFig. 9, ...

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Emulsion Explosives - iRing

One explosive supplier has pioneered the use of emulsion explosives in borehole diameters up to 115 mm typically in underground sublevel cave (SLC) operations. Emulsion explosives also provide the base for another general class of explosives using ad-mixtures of ANFO.

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Emulsion Blend Blasting Product and How it Differs from .

With the 45% denser product, a borehole loaded with ANFO that would have held 100 lbs. of explosive product, the exact same borehole loaded with emulsion could hold 145 lbs. of explosives. If you have not read our blog post on Powder Factor, go back and read it .

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(PDF) METHOD FOR CALCULATION OF DRILLING-AND .

The relative force coefficient was determined for the emulsion explosive of "Ukrainit" type taking into account the extent of ... eling of rock mass deformation (Khomenko, Kononenko, & Petlovanyi ...

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CN102241552A - High density rock powdery emulsion .

The high density rock powdery emulsion explosive contains ammonium nitrate, urea, paraffin, composite oil, an emulsifier and a regulator. The preparation method comprises the following specific steps: 1) using ammonium nitrate and urea to prepare an aqueous ...

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Influence of Explosive Charge Diameter on the Detonation Velocity Based on Emulinit 7L and 8L Bulk Emulsion Explosives

become explosive only after mixing and injecting into the blast hole. The time of this operation usually varies from 5 min to 20 min. Emulsion explosives are an entirely new generation of explosives in which water is one of the components [3, 4]. The emulsion

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Zhejiang Limin Chemical Industry Co.,Ltd.--2# Rock .

2# Rock Emulsion Explosive GB28286-2012 2 Porous granular ammonium nitrate fuel oil mixture GB28286-2012 3 Emulsion granular ammonium nitrate fuel oil mixture GB28286-2012 3 Records

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BULK EMULSION EXPLOSIVE - A CASE STUDY

non-explosive emulsion matrix, which can be sensitized on site by chemical gassing or by microspheres. ... rock type can be described as horisontally bedded limestone. Two big quarries, Nordkalk and Cémenta, on the northern part excavate 5 million tonnes ...

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Explosives Manufacturing | Product & Applications | .

NewMITE Plus is a Water-in-Oil (W/O) type emulsion explosive containing about 10% of water and sensitized with physical sensitizer. Its explosive phase is made sufficiently hard using our own emulsifier and emulsifying technology so as to be easily used and handled, and it is highly water-resistant and freeze-resistant (down to -20°C).

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Nitrogen residues from bulk emulsion explosives in .

The main raw material of emulsion explosive is ammonium nitrate, which contains a significant percentage of nitrogen. If the explosives do not detonate perfectly, it results in increased nitrogen load in the nature, because the explosive residues start to dissolve from blasted rock to water.

read more

Numerical simulation of rock mass blasting using particle .

type of explosive was the 2# rock emulsion explosive, the charge amount was 60 g, the depth of burial of the explosive was 0.5 m. A total of 9 groups of experiments were conducted. A schematic diagram of the explosion device and the vibrationFig. 9, ...

read more
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