NON ELECTRIC DETONATOR

These are widely used across the world. The source of initiation for these detonators is a shock wave which circulates in a tube from one detonator to another. Besides being used for commercial operations, these are also used for military operations. This initiation system consists of shock tubes connected to down-the-hole detonators and surface connectors. These can also use chemical reactions such as rapid burning or violent detonations, to initiate explosive charges. Apart from all the benefits of an electric detonator, these offer a wide operational flexibility (easier to design larger initiation sequences, theoretically with an unlimited number of delays) and more safety (insensitivity to electricity, radio frequency energy, and electromagnetic radiation). Less interruption as they provide better safety: accidental initiation by static electricity, stray electrical currents, etc.

NEO DET is a non-electric initiating device used in Blasting , comprising of both DTHD and STLD in one set (Twin Det). It consists in one coil of shock tube , one end of which is crimped with DTHD and the other end is crimped with STLD. Thus, it is useful for down the hole delay initiation and also surface initiation in the blast. It is useful in those mines where the drilling and charge loading patterns are fixed . This enables to reduce the waste of shock tube in the usages of DTHD and STLD separately. STLD is housed in a suitable connector, which has a provision to connect 6 shock tubes for initiation. Each NEODET has length indicating stickers and delay time indicating stickers for DTHD and STLD separately for easy identification and handling. The delay detonator is of No. 8 strength. NEO DET provides unlimited delay periods and sequences to conduct large scale blasts. It is available as per the customer's requirement upto50 meter lengths. The delay timings of NEO DET are combinations of the following.

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PESO PRODUCT ID : NEO DET – 632 / NEO DTS – 635 / NEO STL -636 PACKING : NEO DET is first packed in a paper bag and the bags are then kept in a Card board Box. 25 to 200 nos. of NEO DET are packed into a box depending on the length of the shock tube. ADVANTAGES · Since STLD is used for surface hook up , it totally eliminates the air blast noise. · It provides necessary relief delay to reduce the back break and thereby provides a good free face for the next drilling operations. · There is no disturbance of stemming column; no desensitization of explosive column, thereby higher explosive efficiency can be achieved. · Bottom initiation and ground vibration can be controlled · Provides ultimate number of delays which is particularly helpful in large blasts. The leakage current in conductive ore bodies and watery hole will not cause misfire.

ADVANTAGES

Apart from all the benefits of an electric detonator, these offer a wide operational flexibility (easier to design larger initiation sequences, theoretically with an unlimited number of delays) and more safety (insensitivity to electricity, radio frequency energy, and electromagnetic radiation).

 

Less interruption as they provide better safety: accidental initiation by static electricity, stray electrical currents, etc.

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