Download Ammonium Nitrate Explosives for Civil Applications: by Erode G. Mahadevan PDF

By Erode G. Mahadevan

The publication describes the technology and expertise of formula and production of non-nitroglycerine explosives with ammonium nitrate because the major element. in accordance with the author's event of greater than thirty years, it offers an unheard of remedy of 1 of the commercially most crucial periods of explosives and as a result stimulates extra examine and improvement efforts within the box of explosives for civil applications.Content:
Chapter 1 category of Explosives (pages 1–3):
Chapter 2 Explosive technological know-how (pages 5–14):
Chapter three Ammonium Nitrate Explosives (pages 15–30):
Chapter four Ammonium Nitrate and AN/FO (pages 31–58):
Chapter five Slurries and Water Gels (pages 59–112):
Chapter 6 Emulsion Explosives (pages 113–155):
Chapter 7 learn and improvement (pages 157–162):
Chapter eight sensible security in the course of Manufacture of AN Explosives (pages 163–177):
Chapter nine Economics of AN?Based Explosives (pages 179–193):
Chapter 10 present prestige and Concluding comments (pages 195–197):

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Additional info for Ammonium Nitrate Explosives for Civil Applications: Slurries, Emulsions and Ammonium Nitrate Fuel Oils

Example text

3 Resistance to Effect of Temperature Cycling As mentioned earlier in detail, cycling around 32 ◦ C is the one which affects properties of AN prills in storage. 3) leading to fineness due to reduction in crushing strength. Further if moisture is also present, the AN prills will also tend to cake into lumps due to bridging of the fines on absorption of water from the atmosphere.

4 Ammonium Nitrate Fuel Oil Explosives reduces the voids in the prills and affects the sensitivity of the prill to initiating shock wave due to the lesser number of hotspots available. A rough method of checking the uniformity of oil absorption is a visual check of the coloration on the prills when mixed with FO containing a dye (orange or red). A very high porosity and oil absorbency >12% sometimes lead to uneven absorption as the rate of absorption is very high and if the oil is not sprayed in a fine mist, pockets of high and low oil content result in the AN/FO.

Fertilizer-grade HD prills can be the standard. 35 kg/cm2 ensures adequate mechanical strength and porosity. Crushing strength and porosity are properties inversely related to each other. A prill with low porosity has high crushing strength and vice versa. This relationship is not hard to understand when one looks at the structure of low- and high-porosity prills. Thus it is a balance against each others’ beneficial effect. 2 Effect of density on detonation of AN/FO. 4 43 4 Ammonium Nitrate and AN/FO 110 Nonstabilized prills 100 Volume increase % 44 80 60 40 Stabilized prills 20 0 0 4 8 12 16 20 No.

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