CN216665675U - Step type self-flowing separation layer grouting filling processing gangue slurrying and slurry conveying process system - Google Patents

Abstract

The utility model discloses a step-type self-flowing separation layer grouting filling processing gangue slurrying and slurry conveying process system which comprises a screening and crushing station, wherein an iron remover is installed at the top of the screening and crushing station, a first layer below the iron remover is provided with a cross screen, a second layer below the cross screen is provided with a crusher, and a third layer below the crusher is provided with a scraper conveyer; the device realizes that the slurrying process flows automatically, in succession, buffering, ration and long distance transport etc, reducible slurrying station area, reduce the middle transport link, shorten material transport route, guarantee that the slurrying is stable, solve the long distance transport problem, reduce the slurrying cost, improve the suitability of absciss slip casting technique in the waste rock processing field, can be extensive, the safe processing gangue, solve the mine waste rock processing difficult problem, to realizing the waste rock zero release, guarantee the normal production of mine, realize green mining and have the significance, can increase substantially the economic benefits of enterprise simultaneously.

Description

Step type self-flowing separation layer grouting filling processing gangue slurrying and slurry conveying process system

Technical Field

The utility model belongs to the technical field of coal gangue treatment and overlying strata separation layer grouting, and particularly relates to a step type gravity flow separation layer grouting filling treatment gangue slurrying and slurry transporting process system.

Background

Coal gangue is used as a byproduct of coal production, and environmental hazards such as land occupation, ground surface subsidence, ecological damage and the like can be caused by a large amount of discharge. Particularly in Mongolian areas, the ecological environment of the areas is fragile, the industrial utilization ways of the waste rocks are few, the waste rocks are mainly used for land reclamation projects at present, and along with the gradual saturation of the land reclamation projects, the waste rock treatment becomes an important factor for restricting coal production.

At present, mature solid filling, paste filling and roadway filling are all used for 'three-time mining' of coal resources, part of gangue can be processed at the same time, but the method is limited by influences of process equipment, procedures, mining and filling interference and the like, the yield of a filling working face and the gangue consumption are limited, the yield of a mine can be influenced when underground filling is adopted for an extra-large mine, underground operating personnel are required to be increased, and potential safety hazards are required to be increased.

Overlying strata separation layer grouting filling is used as a novel filling process for treating the gangue in the mine, can solve the problems of large treatment capacity, no influence on underground mining, coal yield and the like, and continuously and stably solves the problem of treating the gangue in the mine. But the application of overlying strata abscission layer grouting for the purpose of large-scale waste rock treatment is less at present; the overburden bed separation grouting pulping process is planar, and the occupied area is large; the process system is simple in arrangement, all process links cannot be effectively connected, and the self-flowing, the continuity, the buffering and the quantification of the pulping process cannot be realized; when the distance between the grouting station and the grouting hole is long, the problem of long-distance conveying cannot be solved.

Therefore, a step type gravity flow type separation layer grouting filling processing gangue slurrying and conveying process system is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a step type gravity flow type separation layer grouting filling processing gangue slurrying and transporting process system, which avoids the problems that the output of a filling working face and the gangue consumption amount are limited during gangue processing, the mine output is influenced by underground filling for an oversize mine, underground operators are required to be added, potential safety hazards are increased, overlying strata separation layer grouting is needed, the process system is simple in arrangement, all process links cannot be effectively connected, the gravity flow, continuity, buffering and quantification of a slurrying process cannot be realized, and when the distance between a grouting station and a grouting hole is far, the problem of long-distance transportation cannot be solved.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a defeated thick liquid process systems of waste rock slurrying is filled to processing by stepped gravity flow separation layer slip casting, the technology is based on the defeated thick liquid process systems of a slurrying realizes, defeated thick liquid process systems of slurrying includes the broken station of screening, the top at the broken station of screening is installed and is removed the iron ware, the below first layer of removing the iron ware is provided with the cross screen, and the below second floor of cross screen is provided with the breaker, and the below third layer of breaker is provided with scraper conveyor, scraper conveyor's bottom is provided with a plurality of groups pan feeding storehouse, and the bottom in pan feeding storehouse is linked together through the chute and the ball mill, and the discharge gate bottom of a plurality of groups ball mill is provided with five layers of head tanks, and the one end of head tank is provided with the buffer pool, the buffer pool is located the below third layer, the buffer pool bottom is linked together through pipeline and the slip casting pump that is located the sixth layer, the broken station of screening is connected with the waste rock storehouse through first belt conveyor, the bottom of the waste rock bin is provided with a lower weighing feeder, the scraper conveyor is connected with the buffer bin through a second belt conveyor, and the bottom of the buffer bin is provided with a screw feeder.

As a preferred technical scheme of the utility model, a slurry folding stirrer is arranged in the buffer tank, and the buffer bin is a hyperbolic bin.

As a preferable technical scheme of the present invention, the ball mill is of a wet overflow type.

As a preferred technical scheme of the utility model, the pulping and pulp conveying process system is arranged according to six layers of steps and respectively comprises a cross sieve arranged on a first layer, a crusher arranged on a second layer, a scraper conveyor arranged on a third layer, a ball mill arranged on a fourth layer, a buffer pool arranged on a fifth layer and a grouting pump arranged on a sixth layer.

Compared with the prior art, the utility model can achieve the following beneficial effects:

the device is characterized in that waste rocks with four components enter three different process links of a pulping process through a waste rock buffer quantifying system, a crushing system, a screening system, a ball milling system, a stirring buffering system and a pumping system, slurry is prepared according to a top-down six-layer step process, a secondary station is additionally arranged between a grouting station and a grouting hole, the self-flowing, the continuity, the buffering, the quantifying, the long-distance conveying and the like of the pulping process are realized, the occupied area of the pulping station can be reduced, the intermediate conveying link is reduced, the material conveying path is shortened, the pulping stability is ensured, the pulping cost is reduced, the applicability of the separation layer grouting technology in the field of waste rock treatment is improved, the coal gangue can be treated safely in a large scale, the problem of mine waste rock treatment is solved, the zero discharge of the waste rocks is realized, the normal production of a mine is ensured, the green mining is realized, and meanwhile, and the economic benefit of enterprises can be greatly improved.

Drawings

FIG. 1 is a schematic top view of the system of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure I-I of FIG. 1 according to the present invention;

FIG. 3 is a schematic cross-sectional view of II-II in FIG. 1 according to the present invention.

Wherein: 1. a screening and crushing station; 2. cross screening; 3. a crusher; 4. a scraper conveyor; 5. Feeding into a storage bin; 6. a chute; 7. a ball mill; 8. a head tank; 9. folding and stirring the slurry; 10. a buffer pool; 11. grouting pump; 12. a buffer bin; 13. a screw feeder; 14. a second belt conveyor; 15. a waste rock bin; 16. a weighing feeder; 17. a first belt conveyor; 18. a de-ironing separator.

Detailed Description

Technical means for implementing the present invention; authoring features; the purpose served by the disclosure is to provide a thorough understanding of the utility model, and is to be construed as being a limitation on the scope of the utility model as defined by the appended claims. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples, unless otherwise specified, are conventional methods, materials used in the following examples; reagents and the like are commercially available unless otherwise specified.

Examples

As shown in fig. 1-3, the process is realized based on a pulping and slurry transporting process system, the pulping and slurry transporting process system comprises a screening and crushing station 1, an iron remover 18 is installed at the top of the screening and crushing station 1, a cross screen 2 is arranged at a first layer below the iron remover 18, a crusher 3 is arranged at a second layer below the cross screen 2, a scraper conveyor 4 is arranged at a third layer below the crusher 3, a plurality of groups of feeding bins 5 are arranged at the bottom of the scraper conveyor 4, the bottom of the feeding bins 5 is communicated with a ball mill 7 through a chute 6, a head tank 8 is arranged at the bottom of a discharge port of a plurality of groups of ball mills 7, a buffer pool 10 is arranged at one end of the head tank 8, the buffer pool 10 is positioned at a fifth layer below, the bottom of the buffer pool 10 is communicated with a grouting pump 11 positioned at a sixth layer through a pipeline, the screening and crushing station 1 is connected with a waste rock bin 15 through a first belt conveyor 17, a lower weighing feeder 16 is installed at the bottom of the waste rock bin 15, the scraper conveyor 4 is connected with the buffer bin 12 through a second belt conveyor 14, and a screw feeder 13 is arranged at the bottom of the buffer bin 12.

In other embodiments, a slurry folding stirrer 9 is arranged in the buffer tank 10, and the buffer bin 12 is a hyperbolic bin;

through the design, the slurry folding stirrer 9 is matched with the buffer pool 10 to prevent slurry from precipitating and realize slurry buffering.

In other embodiments, the ball mill 7 is of the wet overflow type;

through the design, the ball mill 7 is of a wet overflow type, so that the crushed gangue blocks and the crushed gangue powder can be conveniently ground into gangue slurry with a certain concentration after water is added into the ball mill.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature is "above" the second feature; "above" and "above" include the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature is "below" the second feature; "below" and "beneath" include the first feature being directly beneath and obliquely below the second feature, or merely indicating that the first feature is at a lesser level than the second feature.

The foregoing shows and describes the general principles of the present invention; the main features and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a step is from flowing type absciss layer slip casting filling and is handled gangue slurrying defeated thick liquid process system which characterized in that: the pulping and pulp conveying process system comprises a screening and crushing station (1), an iron remover (18) is installed at the top of the screening and crushing station (1), a first layer below the iron remover (18) is provided with a cross screen (2), a second layer below the cross screen (2) is provided with a crusher (3), a third layer below the crusher (3) is provided with a scraper conveyor (4), the bottom of the scraper conveyor (4) is provided with a plurality of groups of feed bins (5), the bottom of the feed bins (5) is communicated with a ball mill (7) through a chute (6), a pulp flow groove (8) is formed at the bottom of a discharge port of a plurality of groups of ball mills (7), one end of the pulp flow groove (8) is provided with a buffer pool (10), the buffer pool (10) is located at the fifth layer below, the bottom of the buffer pool (10) is communicated with a pulp injection pump (11) located at the sixth layer through a pipeline, screening crushing station (1) is connected with waste rock storehouse (15) through first belt conveyor (17), weighing feeder (16) are installed down to the bottom in waste rock storehouse (15), scraper conveyor (4) are connected with surge bin (12) through second belt conveyor (14), and the bottom of surge bin (12) is provided with screw feeder (13).

2. The step type gravity flow type separation layer grouting filling processing gangue slurrying and transporting process system according to claim 1, characterized in that: a slurry folding stirrer (9) is arranged in the buffer pool (10), and the buffer bin (12) is a hyperbolic bin.

3. The step type gravity flow type separation layer grouting filling processing gangue slurrying and slurry conveying process system according to claim 1, characterized in that: the ball mill (7) is of a wet overflow type.

4. The step type gravity flow type separation layer grouting filling processing gangue slurrying and transporting process system according to claim 1, characterized in that: the pulping and pulp-conveying process system is arranged according to six layers of steps and comprises a cross sieve (2) arranged on a first layer, a crusher (3) arranged on a second layer, a scraper conveyor (4) arranged on a third layer, a ball mill (7) arranged on a fourth layer, a buffer pool (10) arranged on a fifth layer and a grouting pump (11) arranged on a sixth layer.

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