SU1028847A1 - Method of mining thick ore deposits - Google Patents

Description

2. The POP.1 method, I distinguish it by the fact that the lower part of the delivery development and the cutting-out redeem the mixture with the mixture when laying the spent chamber.

3. The method according to claim 1, characterized in that the lower part of the delivery excavation extinguishes the rock from the excavation of openings in adjacent chambers to the laying of the spent chamber.

The invention relates to mining and can be used in the continuous excavation of reserves of the tapping and high seas of gently dipping and inclined ore deposits by chambers with mortgage depleted space using hard-mixes. The Ieyesten method of developing powerful ore deposits in staggered chambers, including the passage perpendicular to the front of the work of loading and hauling workings, borehole blasting and end ore production, isolation of the open space by overlapping the ends of the loading workings and laying the worked space with a hardening mixture 11. The disadvantage of this method is the high laboriousness of the work associated with the need to build a crane and a large number of perekichek. The closest to the proposed technical essence and the achieved result is the method of developing powerful ore deposits, which includes borehole blasting of ore from drilling workings, shipment of ore through sift-cuttings, of the ore between drilling and delivery workings, transportation of ore to mining workings, passed into adjacent chambers, and laying of the worked-out space of hard drives di vi cm with f 2. However, this method is characterized with a relatively high risk of work and considerable complexity of the clearing recess. The purpose of the invention is to increase the safety of work and reduce the complexity of the clearing recess. The goal is achieved by the fact that according to the method of developing powerful ore deposits, including borehole ore breaking, shipment of ore through sbyki-prosechki, decorated between drilling and delivery workings, transportation of ore through delivery workings, passed in adjacent chambers, and laying the developed space hardened mixtures, at the end of the shipment of ore from the chamber. drill and blow up the roof of the delivery output no less than to the height of the cuttings, cut off: They burn the broken ore, then quench the lower hour delivery of the production to the roof of the gang-cuttings, and after laying the rebuilt chamber, the reserves of the adjacent chamber from the upper nepodgidnogo delivery development. The lower part of the delivery development and the tipping is cut off with a hardening mixture during the laying of the fixed camera. In addition, the lower part of the supplying workings is redeemed by the rock from the excavation of workings in adjacent chambers to the laying of the spent chambers. FIG. 1 shows the reservoir when moving up the front of the uprising mining, cross section (section AA in FIG. 2); in fig. 2 - section BB In figure 1. The mining sites 1 are divided into separate excavation areas, which are prepared by haulage workings, ore lugs to them, transport congresses or slopes, and, if necessary, also passed in lightweight rocks by special ventilation and backfill workings. Extraction sites cut into the panel. The cutting of the panels is carried out by panel workings 2, which are passable, as a rule, into the soil and the roof of the alegea, and, if necessary, in the middle part of its height. . The stocks of the cut panels are worked out with chambers 3 with the maximum possible width and a flat or trench bottom, which are oriented depending on the angle of incidence of the deposit along the strike, uprising or diagonal. The chambers are prepared by the front workings 4 parallel to the front, the ventilation openings 5 and the drill workings b. In the case of flat-bottom, the above-mentioned mills have a strike along the strike parallel to the front of the sewage works near the soil and the roof of the camshaft, with the residual workings digging into the unloaded soil rocks. Unloading of these rocks is carried out ahead of time with partial overworking of the ventilation and backfill production supported by the ductile ore pillars 7. The pillars of the necessary compliance are reached by their compaction, for example, by undercharging with exploding explosives in the well 8. In the event of a fall of a deposit at an angle of over 25 °, delivery, ventilation and backfill and drilling workings are located near the soil of the deposit. At the same time, the drilling workings are oriented according to the uprising, i.e. normal to the front of work. The prepared chamber reserves are fended off with vertical layers, explosive charges of explosives in the wells 9. When ore is crushed, the walls of the chambers are attached to the CLOS to the ore massif equal to 70-75. This increases the stability of high ore walls and achieves an increase in the effect of unloading the bottom-hole part of the ore massif over the exploited: workings of the loading and delivery horizon. Repulsed ore is shipped through sboi ki 10 and transported to the ore passes, passed to the interface of panel and delivery workings. As the brick breaks out or after stripping, the kama masters the roof of their delivery openings and blows it up. The blast raises the level of the roof in these workings to the roof mark of the delivery workings that pass through the settling to prepare adjacent chambers or to another mark chosen. for technological reasons, the Pomerom of the ceiling-accessible motion of the faces in the roof of the delivery workings, in case of orientation of the chambers along the strike, ships the broken ore, leaving the rock, including from the passable delivery workings, on the ground. In the case of the orientation of the chambers after the uprising, the ore that was broken off during the undermining of the roof of the delivery workings, the ore temporarily stores. The implementation of these measures provides for the overlapping of the ends of the effective delivery workings and the exclusion of the construction of nepeNW check. In case of refusal from the said measures, peremlchki were erected at the ends of the existing delivery workings. After raising the roof of the delivery openings of the spent chambers and closing off the ends of the actuation of the delivery openings, the laying of the spent chambers starts with a hardening mixture supplied, for example, through pipelines 11 installed in the ventilation openings. With the complete overlap of the receivers on the spent cameras, the bookmark is carried out at one time. In case of uncovered sboks, the loading of the filling mixture at the level corresponding to the level of the highest sections of the roof of the sboek is temporarily stopped. It is resumed only after the occurrence of a mixture previously hardened by the hardening of the mixture and continues until the fully developed space of the chamber is redeemed. As a result of such an order of work, renewed mines are formed in the upper part of the delivery workings. These workings serve as boring drifts when orienting chambers along the strike and as ventilation-stowing ones - while orienting after the uprising. The operation of the accumulated drills, when the broken rock is left in their soil, is started regardless of the backfilling work, and when their soil is hardened. mixtures - from the moment people and equipment can move around it, which usually occurs after a few months at a low laying capacity and after 3-7 days at a durable one. For this reason, in the second case, in the soil of the updated workings, a carrier layer is formed of a solid 3 padding. The continuity of the mining process is achieved by dividing the panels into three sections and sequential alternation of operations in sections. In one of the sections, if necessary, the next delivery workings and connections are made and the camera is mortgaged. In the other, they beat off and release ore and raise the roof of the delivery excavation with a ceiling-faced slaughter. In the third, a well is drilled and a cutting slot is formed. In this case, in each of the chambers, the ore is taken, for example, with a hardening mixture compacted by the force of an explosion, anticipating blasting. The use of the proposed method allows to expand the area of application of development systems from laying out the developed space with hardening mixtures.

T / //////).

 GTT-:.: .. to

... I.; - 1

-M: ..: -. : H :: t:

. K. -A

J 1 V./I .K; -il;

.. ..p -j I I

4., r - .-. L.

.

T

I. .. I /

“I. -r I

one. .:

,

Kf-j

. l.;,. . l.

;:. V - :: f i. .one

x- 1-: D ;,

,

A fr g.

.Ch, x

already

Claims (3)

1. METHOD FOR DEVELOPING POWERFUL ORE DEPOSITS, including borehole breaking of ore from drillings, ore shipment through cut-outs * cut between the drilling and delivery workings, transportation of ore through delivery workings, passed in the bottoms of adjacent chambers, and laying of the mined-out space hardening mixtures, due to the fact that, in order to increase the safety of work and reduce the complexity of the treatment dredging, after the end of the shipment of ore from the chamber, they drill and blast the roof of the dos, at least, than _{Q the} height of the glitches-cuts, the shipped ore is shipped, then the lower part of the supply output is extinguished to the roof of the glitches-cuts, and after laying the spent chamber, they drill and explode the reserves of the adjacent chamber from the upper unpaid part of the supply workings. s SU „„ 102884 2. The method according to claim 1, characterized in that the lower part of the delivery generation and the glitch-cutoff are extinguished by the hardening mixture when laying the spent chamber. 3. The method according to claim 1, characterized in that the lower part of the delivery workings is extinguished by the rock from the sinking of the workings in adjacent chambers to the laying of the spent chamber.