Method and device for additional filling of developed chambers

FIELD: oil and gas production.

SUBSTANCE: method includes installation of a manifold pipeline and supply of a filling mixture along it. Besides, the filling mixture is supplied along the manifold pipeline to the height of at least 1.7 m to the roof level. Afterwards the direction of the filling mixture flow movement from the vertical to the horizontal one by means of a device for additional filling of developed chambers, which makes it possible to save the energy of a mud torrent movement. The device for additional filling of developed chambers comprises a nozzle and is equipped with extension pipes. Supports with step-bearings are installed under extension pipes. Length of extension pipes does not exceed 1/5 of a developed chamber length. Height of supports is identified depending on the angle of the filling mixture spread α.

EFFECT: improved completeness and evenness of the developed space filling with the filling mixture along the whole perimetre of the chamber.

2 cl, 4 dwg

 

The invention relates to the mining industry and can be used in underground mining with the mined-out space.

There is a method of DataBlade exhaust chambers hardening mixtures with underground mining of mineral deposits, consisting in drilling wells and supply wells hardening filling mixture under the roof of the chamber [1]. The disadvantage of this method is the significant cost of the drilling of many wells, and the installation and dismantling of pipelines.

There is a method of DataBlade exhaust chambers hardening mixtures with underground mining of mineral deposits, consisting in drilling wells, supply wells hardening filling mixture under the roof of the chamber, lowering after filling of the chamber to the wellhead on her camera of explosives and detonations and additional filing after this hardening backfill mixture formed from the explosion crater [2]. The disadvantage of this method is the limitation on safety during blasting operations.

The closest way is "the Way to fill out space hardening tab", which are as follows: in the roof cleaning formulation is formed filling the gap to the ora attached backbone of filling the pipeline, feeding filling material, which is from the main line enters the slit, which results in clean production, filling her in the direction of the pipeline to the dead end of the treatment formulation [3]. The disadvantage is incomplete and uneven filling of the chamber opposite from the pipeline end.

The famous "Filling the pipeline", which is the closest technical solution of the invention. Filling the pipeline consists of a horizontal rod with pipes. They fixed crosswise on the circumference of the rod and have a variable diameter, increasing to the free end of the rod, i.e. in the direction of the expiration of the mixture along the length of the pipeline. The upper tubes are oriented, respectively, the configuration of the roof. This provides a uniform expiration of the mixture throughout the volume of the chamber. The upper tubes are made with a different length. Stowing mixture comes into becoming, then at the bottom, lateral and top nozzles, ensuring the completion of all cameras [4]. Disadvantages are that the pipeline cannot be used for backfilling cameras great length, because with increasing the length of the pipeline will occur to any significant deflection or damage to the rod. As well as the limitation for use in vertical filing filling mixture,

Task n the present invention is to improve the completeness and uniformity of filling of goaf stowing mixture around the perimeter of the chamber.

The technical effect that allows you to solve the problem, is to reduce costs through the use of an already established Central vertical pipe, and use an inexpensive device, which after DataBlade not disassemble.

The problem is solved by the proposed method DataBlade waste cameras, including the installation of a pipeline and feed it filling mixture. And filling the mixture is fed by pipeline to a minimum height of 1.7 m at the roof level, and then change the direction of flow of the filling mixture from the vertical to the horizontal by means of the device for DataBlade waste cameras, allowing you to save energy of motion of a debris flow.

To achieve the technical result of the proposed device for DataBlade exhaust chambers, consisting of a nozzle, and further provided with a tubular nozzle, which is installed bearings with thrust bearings, and the length of pipe nozzles does not exceed 1/5 of the length of the waste chamber, and the height of the supports is determined depending on the angle of spread filling mixture of α.

1 shows a General view of the device from the front, figure 2 - side view, figure 3 is a top view, figure 4 - location of the device in the chamber.

Device for DataBlade rabotnik cameras consists of a pipe 2 cruciform shape, pipe nozzles 3, which are secured on the pipe for the implementation of horizontal movement of the filling mixture along the chamber; tubular nozzles 4, welded to the pipe and intended for horizontal movement of the filling mixture across the camera; supports 5 and 6 with pads that serve to maintain the entire structure and is made of standard pipe. The supports 5 and 6 with thrust bearings perform various heights depending on the angle spread filling mixture α. The length of horizontal pipe does not exceed 1/5 of the length of the chamber.

The proposed device stowing mixture is fed at a certain distance from the vertical pipe in the longitudinal and transverse directions for uniform DataBlade it to the roof.

The method is as follows. After filling the filling chamber 7 (figure 4) backfill with a mixture of 8 with pipeline transport of filling solution up to a minimum height of 1.7 m at the roof level moving with a large debris flow rate on the vertical main pipe 1, located at the center of the camera, filling the flow changes its direction of movement from the vertical to the horizontal. To do this, the camera is at a height of 1.7 m from the roof (it's already filled to this level) construct design, allowing you to save energy of motion of a debris flow during movement along the horizontal pipeline for spreading in the camera.

Sources of information

1. Wepcrack, V.V. Kulikov. Application hardening bookmarks in the development of ore deposits. - M.: Nedra, 1974, s-125.

2. Copyright certificate №735805 published 27.05.1980,

3. Copyright certificate №376584 published 29.05.1973,

4. Patent No. 1399482 published 30.05.1988,

1. How DataBlade waste cameras, including the installation of a pipeline and feed it filling mixture, characterized in that the filling mixture served by pipeline to a minimum height of 1.7 m at the roof level, and then change the direction of flow of the filling mixture from the vertical to the horizontal by means of the device according to claim 2, allowing you to save energy of motion of a debris flow.

2. Device for DataBlade exhaust chambers, consisting of a nozzle, wherein the device is further provided with a tubular nozzle, which is installed bearings with thrust bearings, and the length of pipe nozzles does not exceed 1/5 of the length of the waste chamber, and the height of the supports is determined depending on the angle of spread filling mixture α.



 

Same patents:

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EFFECT: environmental protection, filler material is obtained, which binds in its structure the contaminants and excludes their migration to environment.

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1 ex, 2 tbl

Stowage mixture // 2396434

FIELD: mining.

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4 cl, 3 ex, 2 tbl

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FIELD: mining.

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2 dwg

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FIELD: mining industry.

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Backfill mix // 2270921

FIELD: mining industry, particularly to develop mineral deposit along with backfilling of worked-out areas.

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EFFECT: increased strength and crack-resistance.

2 tbl

FIELD: mining industry.

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5 cl, 4 dwg, 3 tbl

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5 cl, 3 dwg

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EFFECT: increased operational safety due to improved quality mine space filling, reduced costs and increased mine intensity.

6 cl, 4 tbl, 5 dwg

Fill mix // 2282724

FIELD: mining, particularly to develop valuable mineral deposits along with goaf filling.

SUBSTANCE: fill mix comprises quick lime, grinded blast furnace slag, filler, industrial lignosulphonate and water. The fill mix additionally comprises trisodiumphosphate. All above components are taken in the following amounts (% by weight): quick lime - 1.61-4.8, grinded blast furnace slag - 10.79-14.4, filler - 60.85-62.14, industrial lignosulphonate - 0.016-0.11, trisodiumphosphate - 0.124-0.35, remainder is water.

EFFECT: increased strength and crack-resistance of fill mix over the full fill body.

2 tbl

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