SU1728489A1 - Method of purification and burial of mine water sediments in underground conditions - Google Patents

Abstract

The invention relates to the mining industry and allows us to simplify the processes of cleaning and disposal of mine water sediments with partial abandonment of the SS in the subsoil, reduce capital and labor costs, as well as reduce the volume of mine workings. The processing of reserves within the mine floor is initially carried out in its sloping part, in the center of the panel there are central inclined workings, and on the flanks - the flank ones. Mining works are conducted by the Rus in upward order. Tier drifts are inclined towards flanking inclined workings (HB). Air lines with suspended particles from the clearing and preparatory workings are drained along the drifts in the direction of flanking HB 5. Further into the worked-out space (VP). The collapsed rocks serve as a filter. In process of filling of the CV of voids of VP 6 and earlier suppressed openings 7, the precipitation of suspended particles occurs. At the same time, at the interface of drifts with central HB 8, the SF is accumulated in a purified form. In the lower part of the central H V construct a temporary drainage installation. Purified syringes are fed to the haulage level3. At the cross-pans, 10 CVs are fed to the main drainage complex and are discharged to the surface. through the non-pressure pipeline 5 and VP and in the previously extinguished production 7. Cleaned CV pump installation 17 pumped to the haul horizon. It is then gravity-guided along the crosscut 10 to the main drainage complex for subsequent release to the surface. 4 il .. CO with VI N 00 feb 00 Yu

Description

The invention relates to the mining industry and is intended for the purification and burial of mine water sediments in underground conditions during mining operations at new mines or new horizons.

The problem of cleaning and burial of mine water sediments is currently topical, with great importance being attached to the need to reduce the area occupied for the construction of expensive sewage treatment plants with pumping stations on the surface.

A known method of purification of mine water, in which the mine water with suspended

Particles from mining operations enter the catchment area of the main drainage complex located in the near-barrel yard of this horizon 1.

To reduce the amount of suspended particles in the mine water, sedimentation tanks or clarifying tanks are constructed in front of the water collectors of the main drainage complex, which are currently being cleaned with scraper winches and the sludge is loaded into the trolley.

However, sedimentation tanks or clarifying tanks of the dewatering complex do not ensure complete purification of the mine water from solid suspended particles, as a result of which the mine water along with the sediment goes to the pump sucks and through the pipes laid in the mine shaft, is pumped to the surface to the treatment facilities final cleaning and disinfection.

The disadvantage of this method of cleaning mine water is the need to build expensive sewage treatment plants on the surface of the mines, which require significant land areas to be located, since the water in them must be settled for 7-10 days. It is also laborious to clean these structures from sludge,

In addition, the content of suspended particles in pumped mine water adversely affects the operation mode of the cleaning of facilities and thereby worsens the ecological situation.

Closest to the proposed method is a method of cleaning mine water in the underground with the use of catchment basins and with the discharge of sediment into the open space of the mine 2.

The known method is carried out as follows. Shakhtna water with suspended particles through the drainage grooves enters the catchment basin, which consists of two branches. In the middle of each branch

the catchment basin of the sump is built dam-jumper, which reduces the flow rate of water by increasing the height of the flow layer. In this case, the bulk of the suspended particles settle in the first part of the catchment basin and the purified water is poured into the second part of the dam. Cleaning of the drainage basins is carried out with the help of a hydraulic ejector with sludge feeding through the transport pipeline into the worked-out space, which can be used both as previously used sections of the mines and excavation floors of the existing horizon. Purified water from the sump-sump is piped into the

water collectors of the main drainage complex, and then with the help of pumps give it to the surface.

The disadvantages of a known mine water treatment method are: the need

0 construction of sedimentation tanks with devices for their mechanized cleaning, which leads to additional capital and operating costs; limited scope (the developed space should be located lower in the fall of the drainage horizon, and moreover, only in the presence of seams of non-self-burning coal).

The aim of the invention is to simplify the process of cleaning and disposal of mine water sediments with partial retention of water in the subsoil, reducing capital and labor costs, as well as reducing the volume of mine workings.

5 This is achieved by the fact that in a known method of cleaning and burial of sediments of mine waters in underground conditions, including the conduct of preparatory flank and central mine workings,

0 mining of mine stockpiles, drainage and collection of mine water, sedimentation and burial of sediment, supply of purified mine water to the main drainage horizon and to the surface initially deposit 5 reserves in an inclined field with rusami in descending order, and mine water is bypassed along the flank openings in the spent space of the spent russia and the sediment are buried, and the purified water is delivered to the horizon of the main drainage system along the central slope.

The combination of operations for the treatment of mine water and the disposal of sludge simplifies the cleaning process, reduces capital and labor costs, and also reduces the volume of mine workings.

The proposed technical solution differs from the prototype in that initially the stocks in the sloping field are processed by the rulers themselves in ascending order, and the mine water is passed through the flanking workings into the spent rut and buried the sediments, and the purified water on the horizon of the main water outflow served on a central slope.

This allows us to conclude that the claimed method meets the criterion of novelty,

In the study of other known technical solutions in this field of technology.

the features that distinguish the claimed invention from the prototype were not identified and therefore they meet the criterion of significant differences.

FIG. 1 shows a method for treating mine water in underground conditions during mining operations below the hauling horizon, in plan; in fig. 2, too, in mining operations above the hauling horizon, plan view; in fig. 3 is the same; the section along A-A in FIG. one; in fig. 4 is the same, the section along BB in FIG. 2

The mining of reserves within the mine floor is initially carried out in its sloping part. For this purpose, near the shafts, the central panel of the inclined floor was prepared. In addition, in the center of the panel there are central inclined workings, and on the flanks - flank ones. Moreover, these workings pass immediately to the lower boundary of the mine floor. Initially, the lowermost Russian was prepared for operation, and then, as the Rus developed, the mining operations were transferred to the upper Russian. At the central and flank inclined workings on the rus build receiving-departure sites. Longline drifts are sloped towards flanking inclined workings.

The method of cleaning and disposal of mine water sediments in underground conditions is carried out as follows.

Mine water with suspended particles from treatment plant 1 and preparatory work 2, located below the haulage level 3, drains 4 along drifts 4 in the direction of flanking inclined workings 5 and further into the developed space of the underlying mining works, which is used as a brightening tank, and crushed rocks act as a filter. As the mine water fills the voids of the open space 6 and the previously suppressed openings 7, suspended particles fall out. This is filtering the mine water from the sludge while dumping the latter in the developed space, resulting in accumulation of drifts 4 with central inclined openings 8 purified water. In the lower part of the central inclined openings 8, a temporary pumping installation 9 is erected, with which the cleaned

mine water is fed to the haulage level 3. from where it flows by gravity through the cross-pans 10 to the main drainage complex for delivery to the surface. With 5 mining operations above the haulage level, 3 mine water with suspended particles from the clearing 11 preparatory 12 works on the drifts 13 drains to the central inclined openings 14, on

0 by which it flows by gravity to the haulage horizon 3, and then through the non-pressure pipeline 5, laid in flanking inclined workings 5, the mine water enters the developed space of the formerly quenched workings 7 located below the haul horizon 3, where suspended particles fall, there is filtration of mine water with simultaneous burial of sediments. The cleaned shaft of the zod accumulates at the interface of drifts 16 with central inclined workings 8, from where its pump installation 17 is pumped to the hauling horizon, and then it

5 by gravity through the crosscut 10 comes to the main drainage complex for subsequent issuance to the surface. The use of the proposed method simplifies the process of cleaning mine water. reduces capital and labor costs, as well as the volume of mine workings and structures on the surface.

Form u-la invention Method of cleaning and disposal of sediments

5 mine waters in underground conditions, including -. conducting preparatory flank and central mine workings, mining of mine floor reserves, drainage and collection of mine water, sedimentation and

0 burial of sediments, the supply of purified mine water to the horizon of the main drainage and to the surface, which is different, in order to simplify the process of cleaning and burial of mine deposits

5 waters with partial abandonment of water in the subsoil, reducing capital and labor costs, and also reducing the volume of mine workings, initially process reserves in a sloping field with russians and ascendance, and mine water is bypassed along the flank workings into the worked-out rut and lead burial of sediments, and purified water is supplied to the main drainage horizon

5 central slope.

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FIG.

Legend:

--- Contaminated Soda -. „- in, cleaned 8 years

x to extinguished mountain

Working out the slope of the bypass

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- urobenia mirror body

H

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Fig.Z

Claims (1)

SUMMARY OF THE INVENTION A method for purifying and burying mine water sediments in underground conditions, including carrying out preparatory flank and central mine workings, developing mine field reserves, draining and collecting mine water, depositing and collecting sediment, supplying purified mine water to the main drainage horizon and to the surface, characterized in that, in order to simplify the process of treatment and disposal of sludge from mine water with partial abandonment of water in the bowels, reduce capital and labor costs, as well as reduce mines of mine workings, initially treat the stocks in a sloping field in tiers in an ascending order, and mine water is passed through flank mine workings to the worked out space of the worked tier and sediment is buried, and purified water is fed to the main drainage horizon along a central slope. Legend: • —contaminated water —— · * purified baud extinguished mine workings slope of the soil production sediment 'h> ——— the level of the water mirror ί Figure 2 Fig.Z 6-5