阅读说明：本技术 一种冶金矿山尾矿胶结充填辅助装置及其使用方法 (Auxiliary device for cemented filling of metallurgical mine tailings and application method thereof ) 是由 陈五九 许宝红 梁峰 张强 王玉富 孙永茂 吴红 石刚 王南南 范晓辉 康鑫 于 2020-12-24 设计创作，主要内容包括：本发明公开了一种冶金矿山尾矿胶结充填辅助装置及其使用方法,涉及尾矿胶结充填技术领域。该冶金矿山尾矿胶结充填辅助装置,包括囊体,所述囊体的表面设置有连通机构,所述囊体的顶部设置有气管,所述气管的顶端设置有堵塞帽,所述囊体内设置有生石灰粉。该冶金矿山尾矿胶结充填辅助装置及其使用方法,通过增设冶金矿山尾矿胶结充填辅助装置,并通过磁场和气压的方式,先将混合体加入至矿山内,再使得快硬硫铝酸盐水泥熟料与生石灰接触反应,极大的减小了对运输速度的需求,同时反应接触面较广,增加了成品的稳定性,底层和顶层使用细料,中层使用粗料,从而使得填充物可以更好的适应不规则形状的矿洞,进一步增加了成品的稳定性。(The invention discloses an auxiliary device for cemented filling of metallurgical mine tailings and a using method thereof, and relates to the technical field of cemented filling of tailings. The metallurgical mine tailing cemented filling auxiliary device comprises an utricule, wherein a communicating mechanism is arranged on the surface of the utricule, an air pipe is arranged at the top of the utricule, a blocking cap is arranged at the top end of the air pipe, and quicklime powder is arranged in the utricule. According to the metallurgical mine tailing cemented filling auxiliary device and the using method thereof, the metallurgical mine tailing cemented filling auxiliary device is additionally arranged, the mixture is added into a mine firstly in a magnetic field and air pressure mode, then the rapid hardening sulphoaluminate cement clinker is in contact reaction with quick lime, the requirement on the transportation speed is greatly reduced, the reaction contact surface is wider, the stability of a finished product is improved, fine materials are used for a bottom layer and a top layer, coarse materials are used for a middle layer, and therefore the filler can better adapt to an irregular-shaped mine opening, and the stability of the finished product is further improved.)

1. The utility model provides a metallurgical mine tailing cemented filling auxiliary device which characterized in that: the device comprises a bag body (1), wherein a communicating mechanism (2) is arranged on the surface of the bag body (1), an air pipe (3) is arranged at the top of the bag body (1), a plugging cap (4) is arranged at the top end of the air pipe (3), and quicklime powder (5) is arranged in the bag body (1);

the capsule body is characterized in that built-in holes (21) are formed in the capsule body (1) in a penetrating mode, built-in pipes (24) are arranged on the built-in holes (21), limiting blocks (22) are arranged on two sides of an inner cavity of each built-in hole (21), middle blocks (27) are arranged between the limiting blocks (22) and in the inner cavity of each built-in hole (21), two cavities (23) are formed in the middle blocks (27), metal clamping plates (26) are movably arranged in the cavities (23), one sides of the metal clamping plates (26) penetrate through the cavities (23) and are connected to the limiting blocks (22) in a clamping mode, magnet blocks (25) are arranged on the middle blocks (27), and the metal clamping plates (26) keep unchanged relative to the positions of the limiting blocks (22) under the magnetic field effect of the magnet blocks (25).

2. The application method of the metallurgical mine tailing cemented filling auxiliary device is characterized in that: the auxiliary device for the cemented filling of the metallurgical mine tailings of claim 1 is specifically operated as follows:

s1, measuring the internal condition of the mine by an ultrasonic ranging mode, calculating the volume R of the mine filling, and injecting air into the bag body (1) through the air pipe (3), so that the air pressure in the bag body (1) is higher than the external air pressure, and the specific air injection amount is determined according to the volume and the thickness of the bag body (1) and the used material;

s2, adding the fine materials with the volume of one fourth R, the quick-hardening sulphoaluminate cement clinker with the volume of one sixteenth R and the auxiliary device for cementation and filling of the metallurgical mine tailings into a mixing container in sequence for mixing to obtain a mixture A, and ensuring that the volume of the quicklime powder (5) in the auxiliary device for cementation and filling of the metallurgical mine tailings is one twelfth of the quick-hardening sulphoaluminate cement clinker;

s3, adding the mixture A obtained in the step S2 into a mine, using an electromagnetic chuck on the surface of the mixture A, ensuring that the electromagnetic chuck is attached to the surface of the mixture A when in use, and stopping using the electromagnetic chuck and taking out the electromagnetic chuck after lasting for 15 minutes;

s4, adding coarse materials with the volume of one fourth R, the quick-hardening sulphoaluminate cement clinker with the volume of one sixteenth R and the auxiliary device for cementation and filling of the metallurgical mine tailings into a mixing container in sequence for mixing to obtain a mixture B, and ensuring that the volume of the quicklime powder (5) in the auxiliary device for cementation and filling of the metallurgical mine tailings is one twelfth of the quick-hardening sulphoaluminate cement clinker;

s5, adding the mixture B obtained in the step S4 into a mine, using an electromagnetic chuck on the surface of the mixture B, ensuring that the electromagnetic chuck is attached to the surface of the mixture B when in use, and stopping using the electromagnetic chuck and taking out the electromagnetic chuck after lasting for 15 minutes;

s6, adding the fine materials with the volume of one fourth R, the quick-hardening sulphoaluminate cement clinker with the volume of one sixteenth R and the auxiliary device for cementation and filling of the metallurgical mine tailings into a mixing container in sequence for mixing to obtain a mixture C, and ensuring that the volume of the quicklime powder (5) in the auxiliary device for cementation and filling of the metallurgical mine tailings is one twelfth of the quick-hardening sulphoaluminate cement clinker;

s7, adding the mixture C obtained in the step S6 into a mine, using an electromagnetic chuck on the surface of the mixture C, ensuring that the electromagnetic chuck is attached to the surface of the mixture C when in use, and stopping using the electromagnetic chuck and taking out the electromagnetic chuck after lasting for 15 minutes;

and S8, filling the unfilled part of the mine with cement to finish the filling operation.

3. The use method of the metallurgical mine tailing cemented filling auxiliary device according to claim 2, characterized in that: in steps S2 and S6, the fines are a mixture of one or more of cement, fine sand, and tailings.

4. The use method of the metallurgical mine tailing cemented filling auxiliary device according to claim 2, characterized in that: in step S4, the coarse material is a mixture of one or more of sand or crushed stone.

5. The use method of the metallurgical mine tailing cemented filling auxiliary device according to claim 2, characterized in that: in steps S3, S5 and S7, when the electromagnetic chuck works, the magnetic field can adsorb the metal clamping plate (26) to be separated from the limit of the magnet block (25) and move relative to the cavity (23), so that the metal clamping plate (26) is separated from the limit block (22), the middle block (27) is separated from the built-in hole (21) and moves into the built-in pipe (24) under the action of air pressure, and then quicklime powder (5) is contacted with the fast hardening sulphoaluminate cement clinker under the action of the air pressure and the quicklime powder (5) is used as an excitant to carry out a gelling and activating operation.

Technical Field

The invention relates to the technical field of tailing cemented filling, in particular to an auxiliary device for metallurgical mine tailing cemented filling and a using method thereof.

Background

In recent years, with the development of economic technology, in the development of mine resources, the requirement on environmental protection is higher and higher, the cemented filling body has high strength and good stability, and can better support surrounding rocks, ensure the safe extraction of ore pillars and prevent the collapse and movement of rock strata; the mining conditions of unstable and complex ore bodies are improved, and the loss rate and the depletion rate of ores are obviously reduced (can be reduced to below 5 percent); however, the cement is used in large amount and high cost, the common cementing material is cement, the aggregate can be obtained from local materials, such as natural gravel, slag, tailings or crushed sand, stone and the like, the filling material is conveyed by a mechanical or hydraulic pipeline, and if the filling body strength is required to be high.

In the prior art, the rapid hardening sulphoaluminate cement clinker is used as a basic gelling and activating material, quicklime is used as an excitant, but the rapid hardening sulphoaluminate cement clinker reacts with the quicklime after contacting, so that the failure of partial rapid hardening sulphoaluminate cement clinker caused by relatively long conveying time is easy to occur, more rapid hardening sulphoaluminate cement clinker and quicklime are required in proportion, the cost is increased, and the stability of a finished product is reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an auxiliary device for cementing and filling metallurgical mine tailings and a using method thereof, and solves the problems that in the prior art, quick-hardening sulphoaluminate cement clinker is used as a basic cementing and activating material, quicklime is used as an excitant, but the quick-hardening sulphoaluminate cement clinker reacts with the quicklime immediately after contacting, part of the quick-hardening sulphoaluminate cement clinker is easy to lose efficacy due to relatively long conveying time, and more quick-hardening sulphoaluminate cement clinker and quicklime are needed in proportion.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the auxiliary device for cementing and filling the metallurgical mine tailings comprises an utricule, wherein a communicating mechanism is arranged on the surface of the utricule, an air pipe is arranged at the top of the utricule, a plugging cap is arranged at the top end of the air pipe, and quicklime powder is arranged in the utricule;

the improved capsule is characterized in that a built-in hole is formed in the capsule body in a penetrating mode, a built-in pipe is arranged on the built-in hole, limiting blocks are arranged on two sides of an inner cavity of the built-in hole, an intermediate block is arranged between the limiting blocks and located in the inner cavity of the built-in hole, two cavities are formed in the intermediate block, a metal clamping plate is movably arranged in each cavity, one side of the metal clamping plate penetrates through the cavities and is connected to the limiting blocks in a clamped mode, a magnet block is arranged on the intermediate block, and the metal clamping plate keeps unchanged relative to the limiting blocks under the magnetic field effect of the.

The application method of the auxiliary device for cemented filling of the metallurgical mine tailings comprises the following specific operations:

s1, measuring the internal condition of the mine by an ultrasonic ranging mode, calculating the volume R of the mine filling, and injecting air into the air bag through an air pipe to ensure that the air pressure in the air bag is higher than the external air pressure, wherein the specific air injection amount is determined according to the volume and the thickness of the air bag and the used material;

s2, adding the fine materials with the volume of one fourth R, the quick-hardening sulphoaluminate cement clinker with the volume of one sixteenth R and the metallurgical mine tailing cemented filling auxiliary device into a mixing container in sequence for mixing to obtain a mixture A, and ensuring that the volume of the quicklime powder in the metallurgical mine tailing cemented filling auxiliary device is one twelfth of that of the quick-hardening sulphoaluminate cement clinker;

s3, adding the mixture A obtained in the step S2 into a mine, using an electromagnetic chuck on the surface of the mixture A, ensuring that the electromagnetic chuck is attached to the surface of the mixture A when in use, and stopping using the electromagnetic chuck and taking out the electromagnetic chuck after lasting for 15 minutes;

s4, adding coarse materials with the volume of one fourth R, quick-hardening sulphoaluminate cement clinker with the volume of one sixteenth R and the metallurgical mine tailing cemented filling auxiliary device into a mixing container in sequence for mixing to obtain a mixture B, and ensuring that the volume of the quicklime powder in the metallurgical mine tailing cemented filling auxiliary device is one twelfth of that of the quick-hardening sulphoaluminate cement clinker;

s5, adding the mixture B obtained in the step S4 into a mine, using an electromagnetic chuck on the surface of the mixture B, ensuring that the electromagnetic chuck is attached to the surface of the mixture B when in use, and stopping using the electromagnetic chuck and taking out the electromagnetic chuck after lasting for 15 minutes;

s6, successively adding the fine materials with the volume of one fourth R, the quick-hardening sulphoaluminate cement clinker with the volume of one sixteenth R and the metallurgical mine tailing cemented filling auxiliary device into a mixing container for mixing to obtain a mixture C, and ensuring that the volume of the quicklime powder in the metallurgical mine tailing cemented filling auxiliary device is one twelfth of that of the quick-hardening sulphoaluminate cement clinker;

s7, adding the mixture C obtained in the step S6 into a mine, using an electromagnetic chuck on the surface of the mixture C, ensuring that the electromagnetic chuck is attached to the surface of the mixture C when in use, and stopping using the electromagnetic chuck and taking out the electromagnetic chuck after lasting for 15 minutes;

and S8, filling the unfilled part of the mine with cement to finish the filling operation.

Preferably, in steps S2 and S6, the fines are a mixture of one or more of cement, fine sand, and tailings.

Preferably, in step S4, the coarse material is one or more of sand and crushed stone.

Preferably, in steps S3, S5 and S7, when the electromagnetic chuck is operated, the magnetic field adsorbs the metal clamping plate to be separated from the limit of the magnet block and move relative to the cavity, so that the metal clamping plate is separated from the limit block, the middle block is separated from the built-in hole and moves into the built-in pipe under the action of air pressure, and then quicklime powder is contacted with the sulphoaluminate cement clinker under the action of air pressure and the quicklime powder is used as an excitant to perform a gelling and activating operation.

(III) advantageous effects

The invention provides a metallurgical mine tailing cemented filling auxiliary device and a using method thereof. The method has the following beneficial effects: this metallurgical mine tailing cemented filling auxiliary device and application method thereof, through addding metallurgical mine tailing cemented filling auxiliary device, and through the mode of magnetic field and atmospheric pressure, add the mixture into the mine earlier, make fast hard sulphoaluminate cement clinker contact reaction with quick lime again, very big reduction the demand to the transport speed, the reaction contact surface is wider simultaneously, finished product stability has been increased, adopt mixture A, the cooperation of three kinds of mixtures of mixture B and mixture C is filled, the thin material is used on bottom and the top layer, the coarse fodder is used on the middle level, thereby make the adaptation irregularly shaped cave that the filler can be better, finished product stability has further been increased.

Drawings

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

fig. 2 is a schematic structural view of the communicating mechanism of the present invention.

In the figure: 1. a capsule body; 2. a communicating mechanism; 21. a built-in hole; 22. a limiting block; 23. a cavity; 24. a build-in tube; 25. a magnet block; 26. a metal card board; 27. a middle block; 3. an air tube; 4. a plugging cap; 5. quicklime powder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the auxiliary device for cementing and filling the metallurgical mine tailings comprises an utricule 1, wherein a communicating mechanism 2 is arranged on the surface of the utricule 1, an air pipe 3 is arranged at the top of the utricule 1, a plugging cap 4 is arranged at the top end of the air pipe 3, and quicklime powder 5 is arranged in the utricule 1;

the bag body 1 is provided with the built-in hole 21 in a penetrating manner, the built-in hole 21 is provided with the built-in pipe 24, the two sides of the inner cavity of the built-in hole 21 are provided with the limiting blocks 22, the inner cavity of the built-in hole 21 is provided with the middle block 27 between the limiting blocks 22, the middle block 27 is provided with the two cavities 23, the cavities 23 are internally movably provided with the metal clamping plates 26, one side of each metal clamping plate 26 penetrates through the cavity 23 and is connected to the limiting block 22 in a clamping manner, the middle block 27 is provided with the magnet block 25, and the metal clamping plates 26 keep unchanged relative to the position of the limiting block 22 under.

The application method of the auxiliary device for the cemented filling of the metallurgical mine tailings comprises the following specific operations:

s1, measuring the internal condition of the mine by an ultrasonic ranging mode, calculating the volume R of the mine filling, and injecting air into the capsule 1 through the air pipe 3 to ensure that the air pressure in the capsule 1 is higher than the external air pressure, wherein the specific air injection amount is determined according to the volume and the thickness of the capsule 1 and the used material;

s2, adding the fine materials with the volume of one fourth R, the quick-hardening sulphoaluminate cement clinker with the volume of one sixteenth R and the metallurgical mine tailing cemented filling auxiliary device into a mixing container in sequence for mixing to obtain a mixture A, and ensuring that the volume of the quicklime powder 5 in the metallurgical mine tailing cemented filling auxiliary device is one twelfth of the quick-hardening sulphoaluminate cement clinker;

s3, adding the mixture A obtained in the step S2 into a mine, using an electromagnetic chuck on the surface of the mixture A, ensuring that the electromagnetic chuck is attached to the surface of the mixture A when in use, and stopping using the electromagnetic chuck and taking out the electromagnetic chuck after lasting for 15 minutes;

s4, adding coarse materials with the volume of one fourth R, the rapid hardening sulphoaluminate cement clinker with the volume of one sixteenth R and the metallurgical mine tailing cemented filling auxiliary device into a mixing container in sequence for mixing to obtain a mixture B, and ensuring that the volume of the quicklime powder 5 in the metallurgical mine tailing cemented filling auxiliary device is one twelfth of that of the rapid hardening sulphoaluminate cement clinker, and the coarse materials are one or a mixture of a plurality of sand or broken stones;

s5, adding the mixture B obtained in the step S4 into a mine, using an electromagnetic chuck on the surface of the mixture B, ensuring that the electromagnetic chuck is attached to the surface of the mixture B when in use, and stopping using the electromagnetic chuck and taking out the electromagnetic chuck after lasting for 15 minutes;

s6, adding the fine material with the volume of one fourth R, the rapid hardening sulphoaluminate cement clinker with one sixteenth R and the auxiliary device for cementation and filling of the metallurgical mine tailings into a mixing container to be mixed, so as to obtain a mixture C, and ensuring that the volume of the quicklime powder 5 in the auxiliary device for cementation and filling of the metallurgical mine tailings is one twelfth of that of the rapid hardening sulphoaluminate cement clinker, wherein in the steps S2 and S6, the fine material is one or a mixture of more of cement, fine sand and tailings;

s7, adding the mixture C obtained in the step S6 into a mine, using an electromagnetic chuck on the surface of the mixture C, ensuring that the electromagnetic chuck is attached to the surface of the mixture C when in use, and stopping using the electromagnetic chuck and taking out the electromagnetic chuck after lasting for 15 minutes;

and S8, filling the unfilled part of the mine with cement to finish the filling operation.

In steps S3, S5 and S7, when the electromagnetic chuck is operated, the magnetic field will attract the metal clamping plate 26 to be separated from the limit of the magnet block 25 and move relative to the cavity 23, so that the metal clamping plate 26 is separated from the limit block 22, the middle block 27 is separated from the built-in hole 21 and moves into the built-in pipe 24 under the action of air pressure, and then the quicklime powder 5 is contacted with the sulphoaluminate cement clinker under the action of air pressure and the quicklime powder 5 is used as an activator to perform a gelling and activating operation.

In conclusion, the auxiliary device for cementation filling of the metallurgical mine tailings and the using method thereof are characterized in that the auxiliary device for cementation filling of the metallurgical mine tailings is additionally arranged, a mixture is added into a mine firstly in a magnetic field and air pressure mode, then rapid hardening sulphoaluminate cement clinker is subjected to contact reaction with quick lime, the requirement on the transportation speed is greatly reduced, meanwhile, the reaction contact surface is wider, the stability of a finished product is improved, the mixture A, the mixture B and the mixture C are matched for filling, fine materials are used for a bottom layer and a top layer, coarse materials are used for a middle layer, and therefore the filler can be better suitable for irregular-shaped mine holes, and the stability of the finished product is further improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.