Anti-blocking device for preparing filling slurry

Abstract

The utility model discloses an anti-blocking device for preparing filling slurry, and belongs to the field of mortar filling equipment. Comprising a tailing silo and a wind-water combined slurry making mechanism, a conical sand breaking cone is arranged at an outlet in the bottom of the tailing bin; and the wind-water combined slurry making mechanism comprises a spray head arranged in the tailing bin, and the spray head is communicated with the wind-water pipe. A first branch pipe and a second branch pipe are further arranged between the air and water pipe and the spray heads, and the spray heads are divided into first spray heads with inclined spray nozzles and second spray heads with straight spray nozzles. The first nozzle is connected with the first branch pipe, and the second nozzle is connected with the second branch pipe. The tailing filling system has the beneficial effects that after the project is successfully implemented, the tailing filling system consisting of a material supply system, a water supply system, a gas supply system, a slurry preparation system, a slurry conveying system, an overflow water treatment and control system and the like is constructed, and the problems of low tailing settling speed, wall hanging of tailings, unstable concentration, full bin and tailing overflow are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of filling slurry preparation is prevented from blocking device, belong to mortar filling equipment field. BACKGROUND

[0002] In filling preparation process, often appear that the blanking pipeline shakes, blanking pipe is blocked phenomenon, it is found by observation that the main reason that blanking pipeline shakes is that tail sand in filling silo is cemented, and the large tail sand block that cemented tail sand collapses during filling process causes blanking pipeline to be blocked.I workshop has carried out research, discussion according to the above difficult problem. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of filling slurry preparation is prevented from blocking device, can effectively solve the above-mentioned problem.

[0004] In order to solve the above technical problem, the utility model is realized by the following technical scheme:

[0005] Including tail sand bin, wind water joint slurry mechanism;The bottom outlet position of the tail sand bin is provided with conical sand breaking cone;The wind water joint slurry mechanism includes the nozzle that is set in the tail sand bin, and the nozzle is communicated with wind water pipe.

[0006] Further: the wind water pipe and the nozzle are further provided with first branch pipe and second branch pipe, and the nozzle is divided into first nozzle with inclined nozzle and second nozzle with straight nozzle;The first nozzle is connected with the first branch pipe, and the second nozzle is connected with the second branch pipe.

[0007] Further: the upper end of the tail sand bin is provided with tail sand conveying pipe, one end of the tail sand conveying pipe is connected with cyclone, and the lower end of the cyclone is installed with elongated tube, and the elongated tube extends into the tail sand bin.

[0008] Further: the bottom outlet position of the tail sand bin is connected with sand discharging pipe, sand discharging valve is arranged in the sand discharging pipe, and one end of the sand discharging pipe is connected on the stirring barrel.

[0009] Further: the upper end of the stirring barrel is further provided with feeding pipe, one end of the feeding pipe is connected in screw feeder, and the upper end of the screw feeder is provided with stock bin.

[0010] Further: the lower end of the stirring barrel is provided with output pipe, and the output pipe is connected with underground borehole.

[0011] Further: the tail sand bin is further provided with tail sand overflow pipe.

[0012] Further, the tailings bin is provided with a platform plate, the sand breaking cone is installed on the platform plate, and a gap is left between the platform plate and the bin wall of the tailings bin.

[0013] The beneficial effects are:

[0014] 1) A platform is installed near the disc circle of the air pipe in the bin at the discharge port of the tailings bin, a self-made sand breaking cone is installed on the platform, and a proper gap is left between the platform and the bin wall.

[0015] 2) A 2.5mm diameter through hole is vertically inclined by 30 degrees at the top of the water slurry nozzle, and a radial net type jet is used to break up the deposited slurry, which can speed up the water slurry making speed, greatly reduce the phenomenon of large area wall hanging of tailings in the tailings bin, and greatly improve the problems of uneven slurry concentration and unstable underground filling.

[0016] 3) A double cylinder cyclone is preset on the top of the bin, the tailings are quickly settled in the tailings bin through the cyclone, and a 1-meter extension pipe is installed at the bottom of the cyclone, which effectively avoids overflow of tailings when the bin is full. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to facilitate the description, the utility model is described in detail by the following specific implementation and drawings.

[0018] Figure 1 The structure of the utility model is shown in the figure.

[0019] Explanation of reference signs:

[0020] 1, tailings bin; 2, wind-water combined slurry making mechanism; 3, sand breaking cone; 4, nozzle; 41, first nozzle; 42, second nozzle; 5, wind-water pipe; 6, first branch pipe; 7, second branch pipe; 8, tailings conveying pipe; 9, cyclone; 10, extension pipe; 11, sand discharge pipe; 12, sand discharge valve; 13, stirring barrel; 14, screw feeder; 15, material bin; 16, output pipe; 17, tailings overflow pipe. DETAILED DESCRIPTION

[0021] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the drawings. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation of the utility model.

[0022] It should be noted that in the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0023] In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] Meanwhile, in the description of the utility model, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Referring to Figure 1 An embodiment of the utility model discloses a kind of anti-blocking devices for filling slurry preparation,

[0026] Including tailings bin 1, wind water joint slurry mechanism 2;The bottom outlet position of tailings bin 1 is provided with conical sand breaking cone 3;Wind water joint slurry mechanism 2 includes the spray head 4 being arranged in tailings bin 1, and the spray head 4 is communicated with wind water pipe 5.

[0027] First branch pipe 6 and second branch pipe 7 are further provided between wind water pipe 5 and spray head 4, and spray head 4 is divided into first spray head 41 with inclined nozzle and second spray head 42 with straight nozzle;First spray head 41 is connected with first branch pipe 6, and second spray head 42 is connected with second branch pipe 7.Tailings bin 1 upper end is provided with tailings conveying pipe 8, and tailings conveying pipe 8 one end is connected with cyclone 9, and cyclone 9 lower end is installed with elongated tube 10, and elongated tube 10 extends into tailings bin 1.Tailings bin 1 bottom outlet position is connected with sand discharging pipe 11, sand discharging valve 12 is arranged in sand discharging pipe 11, and one end of sand discharging pipe 11 is connected on stirring barrel 13.Stirring barrel 13 upper end is further provided with feeding pipe, and one end of feeding pipe is connected in screw feeder 14, and screw feeder 14 upper end is provided with stock bin 15.Stirring barrel 13 lower end is provided with output pipe 16, and output pipe 16 is connected with underground borehole channel.Tailings bin 1 is further provided with tailings overflow pipe 17.Tailings bin 1 is provided with platform plate, sand breaking cone 3 is installed on platform plate, and gap is left between platform plate and bin wall of tailings bin 1.

[0028] Specific working principle is: in the preparation of slurry, we repeatedly consider, research, in the tailings bin 1 sand mouth near the warehouse wind pipe disc round place installation a platform, platform installation self-made broken sand cone 3, platform and warehouse wall between the appropriate gap, its role is the tailings block directly dropped to broken sand cone 3, tailings block decomposition dropped here, using high pressure air blowing.

[0029] At the same time, the pulp jet 4 is modified, the jet 4 is divided into first jet 41 and second jet 42, the first jet 41 is vertically inclined 30 degrees at the top, and the diameter of the through hole is 2.5mm, which is radiated net type jetting to scatter the deposited slurry, and the wind water slurry making speed is accelerated, and the tailings bin 1 tailings large area wall hanging phenomenon is greatly reduced, and the slurry concentration uneven and the feeding pipe vibration problem is greatly improved.

[0030] The second jet 42 is directly vertically upward, and the main purpose is to accelerate the wind water slurry making speed.

[0031] In order to accelerate the tailings settlement, double cylinder cyclone 9 is preset at the top of the bin, the tailings are quickly settled in the tailings bin 1 through cyclone 9, and 1 meter extension pipe 10 is installed at the bottom of cyclone 9, which effectively avoids the overflow of the full tailings bin.

[0032] During the sand feeding process, overflow groove is installed on the inner wall of the bin top, and overflow is carried out through overflow pipe, the overflow groove in the bin is kept horizontal, the uppermost surface of the slurry is kept clear, the overflow pipe outside the bin is provided with slope, and the local turbid liquid can flow away with the overflow water through gravity. After the filling automatic control system is opened, the settled full tailings slurry in the tailings bin 1 is fed into the mixing barrel 13 through the wind water combined slurry making mechanism 2, and the filling material is continuously and fully stirred through up-down counter-rotating stirring, the filling slurry is strongly activated and stirred, the flocculent structure of the cement in the slurry is broken, the liquidity of the filling material is greatly improved, and the filling material is transported to the empty area of the underground stope through filling borehole self-flowing.

[0033] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments are not required to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A clogging prevention device for a filling slurry preparation, characterized by: The application relates to a tailing sand bin (1) and a wind-water combined slurry making mechanism (2), wherein a conical sand breaking cone (3) is arranged at the bottom outlet position of the tailing sand bin (1); the wind-water combined slurry making mechanism (2) comprises a spray head (4) arranged in the tailing sand bin (1), and the spray head (4) is communicated with a wind-water pipe (5).

2. The anti-blocking device for preparing a filling slurry according to claim 1, characterized in that: A first branch pipe (6) and a second branch pipe (7) are further arranged between the wind-water pipe (5) and the spray head (4), the spray head (4) is divided into a first spray head (41) with an inclined nozzle and a second spray head (42) with a straight nozzle; the first spray head (41) is connected with the first branch pipe (6), and the second spray head (42) is connected with the second branch pipe (7).

3. The anti-blocking device for preparing a filling slurry according to claim 2, characterized in that: An end of a tailing sand conveying pipe (8) arranged at the upper end of the tailing sand bin (1) is connected with a cyclone (9), and an elongated pipe (10) is arranged at the lower end of the cyclone (9) and extends into the tailing sand bin (1).

4. The anti-blocking device for preparing a filling slurry according to claim 3, characterized in that: A sand discharging pipe (11) is connected with the bottom outlet position of the tailing sand bin (1), a sand discharging valve (12) is arranged in the sand discharging pipe (11), and one end of the sand discharging pipe (11) is connected with a stirring barrel (13).

5. The anti-blocking device for preparing a filling slurry according to claim 4, characterized in that: A feeding pipe is further arranged at the upper end of the stirring barrel (13), one end of the feeding pipe is connected with a screw feeder (14), and a material bin (15) is arranged at the upper end of the screw feeder (14).

6. The anti-blocking device for preparing a filling slurry according to claim 5, characterized in that: An output pipe (16) is arranged at the lower end of the stirring barrel (13) and connected with an underground borehole.

7. The anti-blocking device for preparing a filling slurry according to claim 1, characterized in that: A tailing sand overflow pipe (17) is further arranged in the tailing sand bin (1).

8. The anti-blocking device for preparing a filling slurry according to claim 1, characterized in that: A platform plate is arranged in the tailing sand bin (1), the sand breaking cone (3) is arranged on the platform plate, and a gap is left between the platform plate and the bin wall of the tailing sand bin (1).

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