SU705110A1

SU705110A1 - Method of mining steep ore bodies

Info

Publication number: SU705110A1
Application number: SU772492424A
Authority: SU
Inventors: Геннадий Андреевич Курсакин; Николай Иванович Попов; Александр Иванович Числов; Анатолий Сергеевич Шахов; Иван Тимофеевич Дерипас
Original assignee: Всесоюзный научно-исследовательский институт золота и редких металлов
Priority date: 1977-05-27
Filing date: 1977-05-27
Publication date: 1979-12-25

Description

(54) СПОСОБ РАЗРАБОТКИ КРУТОПАДАЮЩИХ РУДНЫХ ТЕЛ(54) METHOD FOR DEVELOPING A STEEPFALLING ORE BODIES

Изобретение относитс к горной промьпилеиностн и может быть использовано лри подземной разработке крутопадающих месторождений с маганизированием руды и недостаточно устойчивыми вмещающими породами.The invention relates to mining industry and can be used in underground mining of steeply dipping deposits with maganization of ore and insufficiently stable host rocks.

Известен способ выемки крутопадааощих рудныхтел, предусматривающий периодическое удаление излишков руды самотеком через рудоспуски , наращиваемые в очистном пространстве вслед за подвигаиием очистного забо 1. There is a method of excavation steeply ore bodies, providing for the periodic removal of excess ore by gravity through the ore passes, increasing in the clearing space following the progress of the clearing slab 1.

Однако работы по удалению излишков руды самотеком малопроизводительны н опасны , так как на перепуске руды в наращиваемые рудоспуски примен етс ручной труд. Кроме того , дл обеспечени самотечного движени возникает необходимость придани поверхности магазина (и, соответственно, очистному забою) наклонного положени под уголом 25-30°, что усложн ет ведение буровзрывных работ. Процесс наращивани рудоспусков непосредственно в процессе очистной выемки приводит к снижению темпов очистных работ и производительности добьгш руды.However, work on the removal of surplus ore by gravity is inefficient and dangerous, since manual labor is used to transfer ore into stackable ore passes. In addition, in order to ensure gravity movement, it becomes necessary to give the surface of the magazine (and, accordingly, the cleaning face) an inclined position at an angle of 25-30 °, which complicates drilling and blasting operations. The process of increasing the ore passes directly in the process of clearing the excavation leads to a decrease in the rate of cleaning work and productivity of ore.

Известен способ разработки крутопадающих рудных тел, включающий отбойку руды сло ми снизу-вверх, маганизирование отбитой руды и выпуск ее излищков с поверхности магазина в рудоспуск 2.There is a known method for developing steeply dipping ore bodies, which includes breaking the ore in layers from the bottom up, maganizing the broken ore and releasing its ooze from the surface of the store into the ore release 2.

Недостатком данного способа вл етс низка зффективность выемки руды, заключающа с в малой интенсифнкации очистных работ, и больщой расход крепежных материалов.The disadvantage of this method is the low efficiency of the excavation of the ore, which consists in a small intensification of the cleaning works, and a large consumption of fastening materials.

Цель изобретени - повыщение эффективности выемки руды путем интенсификации очистных работ и зкономии крепежных материалов .The purpose of the invention is to increase the efficiency of excavation of ore by intensifying cleaning work and saving fasteners.

Это достигаетс тем, что рудоспуск проход т на всю высоту камеры до начала очистных работ и поддерживают его рудным ленточным целиком, отрезаемым от неотбитьи запасов руды камеры с опережением по отнощению к отбойке слоев руды, а излишки отбитого сло руды рыпускают скрепированием в рудоспуск через окна, проходимые в целике при возведении рудоспуска.This is achieved by passing the ore pass to the entire height of the chamber prior to the start of refining operations and supporting it with ore tape entirely, cut off from the unbooted and ore reserves of the chamber with advance in relation to the breaking of the ore layers, and the excess ore beaten off the layer of ore is digged into the ore pass through the windows traversed in the pillar during the construction of ore passes.

Claims

The drawing shows the processed camera in the section along the strike. 37 The development of the ore body within the excavation unit 1 is carried out as follows. After the rising block 2 is being placed in the inter-chamber block, the track 3 is fastened, the bottom of the block is prepared (the method of preparing the block may be different) and the undercut is dredged. As a second block, a block rising 4 or ore, descent 5 of a previously spent adjacent block 6 are used. Before the start of the clearing excavation, the ore discharge 7 passes from it and windows 8, 9 and D. from it to the block ascending block 2 and in the Ctopdny camera to be worked out 1. In the upper window 10, a scraper winch 11 is installed that is remotely controlled. The scraper bucket is moved using a block system. After sabing 12 and breaking through the first layer 13, the cables of the scraper installation pass through the window 9 and remove the ore facets by scrapering, into the ore discharge 7, located between the rear pillars 14 and 15. Next, the layer 16 and part of the layer 17 are beaten, cables run through window 18, through which the surplus ore is removed to the ore passage 7. If necessary (pouring windows 9, 18, etc.), it is possible to allow the ore to flow through the outlet 19. At the same time as the layer 20 is blasted, the sabotage 21 of the Striking Face part 22 work out melkoSchpurovym discourage second chamber means; the other part 23, immediately adjacent to the previously spent block 6, is abandoned. After the chamber stock of ore has been crushed to the level of the ceiling 24, the full output of the ore from the store is made through the bottom of the block and, in the second place, redeems the ceiling. Eliminating the need to increase ore-landing improves the technical and economic performance of the development system. The invention The method of developing steeply dipping ore bodies, including cutting the ore with bottom-up layers, maganizing the broken ore and releasing its surplus from the surface of the shop into the ore release, characterized in that, in order to increase the efficiency of ore excavation through the intensification of refining operations and saving fixing materials, The ore pass is carried out on the entire height of the chamber before the start of cleaning works 9 are supported by its ore belt entirely, cut off from the unbroken ore reserves of the chamber with advance in relation to the breaking of ore layers, and shki chipped ore layer skrepirovaniem discharged into the ore pass through windows in the rear sight traversed during the construction of the ore pass. Sources of information taken into account in the examination 1. USSR author's certificate number 211482, cl. E 21 C 41/06, 1967.

2. Rafienko DI. Systems with ore mining in the development of vein deposits. M., Nedra, 1967. p. 27-30 (prototype). w ,, is