ES2397733B1 - PNEUMATIC EQUIPMENT FOR ACHIQUE AND LOADING EXPLOSIVES IN BARRENOS WITH WATER - Google Patents

Abstract

Pneumatic equipment for bilge and charge of explosives in holes with water. # Consists of a mobile structure that supports, among others, an open or closed tank for explosives, which at the exit has a valve, preferably sphere, coupled to a sleeve in which a flexible hose is closed closed at its lower end, slightly smaller in diameter than the hole and variable length depending on whether it can be drained to load it with Anfo in bulk or it must be encamped because the total bilge is impossible. # The hose, When swelling due to the pressure of the fluid supplied by a compressor, cylinder, etc., it moves the water towards the mouth. To distribute and control this fluid, the equipment has a multi-way valve and a safety valve that, depending on whether it is an open or closed tank, is then installed, or before, the ball valve.

Description

PNEUMATIC EOUIPO FOR ACIIlOUE AND EXPLOSIVE LOAD IN

BARRENOS WITH WATER

Technical sector 5

The invention is part of the industrial and mining sector of rock and mineral mining

with explosives, both indoors and outdoors.

State of the art

10 In certain blasting, the explosive called Anfo, consisting of ammonium nitrate and gas-oi, is used. This explosive, of low price, has the disadvantage that it cannot be used in bulk in drills with water and the problem, when presented, is usually solved by encasing it on site, replacing it with another insensitive to water or

15 shrinking the one contained in the holes.

The encartuchado, it is necessary to do it in hoses of diameter substantially smaller than the one of the auger, reason why the amount of explosive loaded is quite smaller than the calculated one in bulk and therefore the performance of the blasting will be lower. In the second case,

20 if the substitutes are dynamites encartuchadas, the same happens and, in addition to the lower yield, the cost of blasting is considerably more expensive as they are much more expensive explosives. If emulsions are used the volume of explosive is the same as in bulk but the price is much higher. As for the drain of the holes, for which we have registered a submersible pneumatic pump with the number

25 EN 1066159U, it is a valid procedure if water is not returned to them.

Technical problem raised

Taking into account that the order of explosives must be done at least 30 twenty-four hours in advance, if the weather conditions did not foresee the presence of water, and this is presented, it is not always possible to resort to the indicated solutions and . Sometimes, there is no other choice but to destroy the Anfo.

It would therefore be desirable to have equipment that allows the use of these explosives in 35 holes with water.

For this, the present invention allows the holes to be drained and loaded with bulk aufo. or, hoisted to the diameter, practically, of the hole with which the specific designed load is maintained and, therefore, the expected performance.

Detailed description of the invention

As can be seen in Figures 1 and 2, the invention relates to a device containing:

A structure (1), which can be supported by dirt, on wheels or in a vehicle. A reservoir for aofo (2), open, Figure I or closed, Figure 2. A preferably ball valve (3). A hose or hose (4) in which the flexible and flat hose (5) is inserted. diameter slightly smaller than that of the hole and is closed by the lower end where it joins to the last cartridge of the bottom load (9) 0, if Anfo is not embedded, to another body that

Likewise, counterbalance and lower it to the bottom to drain the hole O borehole and, in this case, load it with Anfo in bulk.

The sleeve or hose (4) used in the Equipment of Figure 1 has two holes where a 3 Way Valve (6) is coupled for inlet and distribution of the pressurized fluid and one of Security (7). These Valves in the Equipment of Figure 2 are mounted on the Deposit (2).

The Equipment of Figure (2) is suitable for loading several holes from the same location and can have W1 measuring equipment.

The components of the Equipment are joined together by welding., Sleeves, mamelons, flanges, etc.

To facilitate the understanding of the invention in Figure 1 the installed Equipment is represented on the cut of a hole (12), inside which the bottom load (10) is appreciated; he detonating cord or detonator wires (11) and the flexible and flat hose (5) stripped and connected by the couplings (8) to the sleeve or hose (4) and to the last cartridge of the load background that acts as a counterweight (9).

Embodiment of the invention:

To drain wells or boreholes with airtight flow.

5 With the empty tanks (2), the flexible and flat hose is inserted into the well or borehole

(5) attached to a counterweight (9) and with the Valve (3) closed in the case of Figure 1 and open in that of Figure 2, the 3-way Valve (6) is opened so that the pressurized fluid Swell (5) and expel water through the mouth. When it does not leave, it closes (6) and the Equipment is removed. If the drain was made in a hole, it can be loaded with Anfo in bulk.

10 To encase ADlo in holes with continuous water inlet:

With Equipment of Figure 1 (Open tank)

15 1) The bottom load (10) minus the last cartridge (9) is attached to the hole (12), which is attached, as a counterweight, to the flexible and flat hose (5) to lower it to the load already introduced. The other end is embedded and closed in (4). The detonating cord or children of detonators (I 1) leave the bottom load (1 O) outside.

20 2) The valves (3) and (6) are closed And after putting in the tank (2) the required amp load for the hole, the valve (6) is opened to swell (5) and move the water towards the mouth.

3) When it stops exiting it closes (6) and opens (3) that remains open while leaving 25 Anfo.

4) Closed (3) opens (6) and the pressurized fluid displaces and compresses the amp column against the bottom load {10). Then it closes (6) and the retouching is carried out if the load has been tended. Otherwise, it is reopened (3) and the operations are repeated until

30 tenninate it. 5) It can be retouched by traditional means or using the Equipment.

35 With Team of Figure 2 (Closed tank)

1) - Operation 1) of the previous case is done. 2) -The explosive is put inside the tank (2). 3) -The valve (3) is opened and then the (6) to push the Anfo against the load of

40 bottom (10) 4) -The two valves close when the hole is loaded. 5) -It is retouched as in 5) of the previous case.

This type of deposit has the advantage of continuous loading and several 45 holes can be loaded from the same location.

Claims (2)

1. Pneumatic equipment for bilge and loading of explosives in holes with water characterized by containing a structure, (1) mounted on a vehicle, or resting on the ground, and on which the rest of the elements composed of a tank for mounting are mounted explosive, (2) 10 open, or closed, with a valve, preferably of sphere (3), to which a sleeve or hose (4) is attached in which a flexible and flat hose (5) is embedded, preferably closed at the other end to which a counterweight is attached (9). A 3-way valve (6) and a safety valve (7) are installed before or after the valve (3) depending on whether it is a closed or open tank and, optionally, can be mounted 15 measure. All components are joined together by welding, clamps, reductions, mamelons, flanges and other auxiliary elements. 2. Pneumatic equipment for bilge and loading of explosives in bam: nos with water, according to claim 1, characterized in that the flexible and flat hose (5) is preferably 20 supplied in sealed continuous coil in lengths of the holes and is mounted on the structure (1).