Mine full-tailing cemented filling equipment

Abstract

The utility model relates to mine full-tailing cemented filling equipment which comprises a stirring barrel, the lower end of the stirring barrel communicates with a discharging pipe, an auger is arranged below the stirring barrel, a driving motor is installed at the top of the stirring barrel, an output shaft of the driving motor is connected with a connecting shaft, the connecting shaft is connected with a stirring shaft, and stirring blades are arranged on the stirring shaft. Connecting keys are arranged on the surface of the connecting shaft, a connecting groove is formed in the end, close to the connecting shaft, of the stirring shaft, a connecting opening is formed in the inner wall of the connecting groove, a connecting pipe is arranged in the stirring barrel, an annular groove is formed in the inner wall of the connecting pipe, and connecting blocks are arranged on the outer wall of the stirring shaft. After aggregate and a cementing agent are added into a stirring barrel, a driving motor is started, a connecting shaft rotates, a stirring shaft is driven to rotate through a connecting key, and in the rotating process of the stirring shaft, a connecting block moves in an annular groove, so that the stirring shaft is driven to move up and down in the axis direction of the stirring barrel in the rotating process, and the stirring range of stirring blades on the stirring shaft is expanded; the stirring and mixing effect on the aggregate and the cementing agent is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mine equipment, and in particular to a mine full tailings cemented filling equipment. BACKGROUND

[0002] With the development of economy and technology, the requirement for environmental protection is higher and higher in the development of mine resources, and mining is bound to lead to adverse effects such as mine collapse, and thus mine filling technology is needed for treatment. With the development of filling mining technology, tailings cemented filling technology can not only reduce the pressure of tailings pond, but also realize the reuse of tailings, and is widely used.

[0003] The filling material used in the current mining filling method mainly consists of aggregate and cementing agent. Generally, classified tailings, tailings plus river sand or full tailings are used as filling aggregate. After the cementing agent is mixed with the filling aggregate and water, physical and chemical reactions occur to form a colloid, and the filling aggregate is solidified into a filling cemented body with certain strength for filling.

[0004] The existing mine full tailings cemented filling equipment has poor mixing effect, which reduces the mixing effect of tailings aggregate and super-high water material. CONTENT OF THE INVENTION

[0005] In order to improve the mixing effect of the aggregate and the cementing agent, the present application provides a mine full tailings cemented filling equipment.

[0006] The present application provides a mine full tailings cemented filling equipment, which adopts the following technical scheme:

[0007] A mine full tailings cemented filling equipment, comprising a stirring cylinder, a discharge pipe is communicated with the lower end of the stirring cylinder, a screw conveyor is arranged below the stirring cylinder and communicated with the discharge pipe, a driving motor is installed on the top of the stirring cylinder, a connecting shaft coaxially fixed connected with the output shaft of the driving motor is located in the stirring cylinder, a stirring shaft is coaxially connected with the connecting shaft, stirring blades are arranged on the stirring shaft, connecting keys are arranged on the surface of the connecting shaft, a connecting groove for the connecting shaft to insert is formed on one end of the stirring shaft close to the connecting shaft, connecting ports matched with the connecting keys are formed in the inner wall of the connecting groove, a connecting pipe sleeved on the stirring shaft is arranged in the stirring cylinder, an annular groove is formed in the inner wall of the connecting pipe, and a connecting block matched with the annular groove is arranged on the outer wall of the stirring shaft.

[0008] Through the above technical scheme, after the aggregate and the cementing agent are added into the stirring drum, the driving motor is started, the connecting shaft is rotated, the stirring shaft is driven to rotate through the connecting key, in the rotating process of the stirring shaft, the connecting block moves in the annular groove, thereby driving the stirring shaft to move up and down along the axial direction of the stirring drum in the rotating process, the stirring range of the stirring blades on the stirring shaft is expanded, the stirring and mixing effect on the aggregate and the cementing agent is improved, and after the mixing of the cementing agent and the aggregate in the stirring drum is completed, the mixture is discharged into the auger through the discharge pipe.

[0009] Optionally, a support groove is formed in the bottom of the connecting groove, a connecting ring is arranged between the support groove and the connecting groove, the length of the support groove is not less than the length of the annular groove along the height direction of the stirring drum, and a support plate located in the support groove is arranged at the bottom end of the connecting shaft.

[0010] Through the above technical scheme, in the rotating process of the connecting shaft and the stirring shaft, the support plate moves up and down in the support groove, the stability of the connection between the connecting shaft and the stirring shaft is improved, and the stirring shaft is prevented from suddenly falling off when the connecting block falls off in the annular groove, thereby protecting the stirring shaft.

[0011] Optionally, protective pads are arranged at the upper end and the lower end of the support plate.

[0012] Through the above technical scheme, the protective pads protect the upper end face and the lower end face of the support plate.

[0013] Optionally, a connecting plate is arranged on the stirring shaft, and a scraper is arranged at the end of the connecting plate and abuts against the inner wall of the stirring drum.

[0014] Through the above technical scheme, the cementing agent and the aggregate are easily attached to the inner wall of the stirring drum, and the scraper scrapes off the cementing agent and the aggregate attached to the inner wall of the stirring drum in the rotating process of the stirring shaft.

[0015] Optionally, a feeding hopper is arranged at the top of the stirring drum.

[0016] Through the above technical scheme, the cementing agent and the aggregate are conveniently added into the stirring drum through the feeding hopper.

[0017] Optionally, a discharge valve is arranged on the discharge pipe.

[0018] Through the above technical scheme, the discharge of the material in the discharge barrel is controlled through the discharge valve.

[0019] Optionally, an observation window is arranged on the surface of the stirring drum.

[0020] Through the above technical scheme, the mixing of the cementing agent and the aggregate in the stirring drum is conveniently observed through the observation window.

[0021] In summary, the present application has at least one of the following beneficial technical effects:

[0022] After the aggregate and the cementing agent are added into the stirring drum, the driving motor is started, the connecting shaft is rotated, and the stirring shaft is rotated through the connecting key. During the rotation of the stirring shaft, the connecting block moves in the annular groove, so that the stirring shaft moves up and down along the axis of the stirring drum during the rotation, the stirring range of the stirring blades on the stirring shaft is expanded, and the stirring and mixing effect on the aggregate and the cementing agent is improved. After the mixing of the cementing agent and the aggregate in the stirring drum is completed, the mixture is discharged into the auger through the discharge pipe.

[0023] During the rotation of the connecting shaft and the stirring shaft, the support plate moves up and down in the support groove, so that the stability of the connection between the connecting shaft and the stirring shaft is improved, the stirring shaft is prevented from suddenly falling off when the connecting block falls off in the annular groove, and the stirring shaft is protected. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of a mine full tailings cemented filling equipment.

[0025] Figure 2 It is a schematic diagram of the internal structure of the stirring drum in the embodiment of the application.

[0026] Figure 3 It is Figure 2 It is an enlarged schematic diagram of part A in the embodiment.

[0027] Figure 4 It is a schematic diagram of the connection relationship between the connecting shaft and the stirring shaft.

[0028] The reference signs are as follows: 1, stirring drum; 11, discharge pipe; 111, discharge valve; 12, feeding hopper; 2, driving motor; 3, connecting shaft; 31, connecting key; 32, support plate; 33, protective pad; 4, stirring shaft; 41, stirring blade; 42, connecting groove; 43, connecting port; 44, connecting block; 45, support groove; 46, connecting ring; 5, connecting pipe; 51, annular groove; 6, connecting plate; 61, scraper; 7, observation window; 8, auger. DETAILED DESCRIPTION

[0029] The application will be further described in detail below with reference to all the drawings.

[0030] The embodiment of the application discloses a mine full tailings cemented filling equipment.

[0031] Referring to Figure 1 and Figure 2The utility model provides a kind of mine total tailings cemented filling equipment, including mixing drum 1, the lower end of mixing drum 1 is communicated with discharge pipe 11, the top of mixing drum 1 is communicated with feeding hopper 12, by feeding hopper 12, it is convenient to add binder and aggregate into mixing drum 1, driving motor 2 is installed on the top of mixing drum 1, the output shaft of driving motor 2 is coaxially fixedly connected with the connecting shaft 3 located in mixing drum 1, connecting shaft 3 is coaxially connected with stirring shaft 4, and stirring blade 41 is arranged on stirring shaft 4, start driving motor 2, stirring shaft 4 rotates in mixing drum 1, and aggregate and binder are mixed, after mixing drum 1 inside binder and aggregate are mixed, mixing drum 1 below is provided with auger 8 communicated with discharge pipe 11, and it is discharged into auger 8 through discharge pipe 11.

[0032] Refer to Figure 3 And Figure 4 Connecting key 31 is arranged on the surface of connecting shaft 3, and connecting groove 42 is formed in the end of stirring shaft 4 close to connecting shaft 3 for inserting connecting shaft 3; connecting groove 42 is provided with connecting hole 43 matched with connecting key 31; connecting pipe 5 is arranged in stirring shaft 4 in mixing drum 1; annular groove 51 is formed in the inner wall of connecting pipe 5; and connecting block 44 is arranged on the outer wall of stirring shaft 4 and matched with annular groove 51.After aggregate and binder are added into mixing drum 1, driving motor 2 is started, connecting shaft 3 rotates, and stirring shaft 4 rotates by connecting key 31; in the rotating process of stirring shaft 4, connecting block 44 moves in annular groove 51, so that stirring shaft 4 rotates along the axial direction of mixing drum 1, the stirring range of stirring blade 41 on stirring shaft 4 is expanded, and the mixing effect of aggregate and binder is improved.

[0033] Refer to Figure 3 Support groove 45 is formed in the bottom of connecting groove 42, connecting ring 46 is arranged between support groove 45 and connecting groove 42, the length of support groove 45 is not less than the length of annular groove 51 along the height direction of mixing drum 1, and support plate 32 is arranged in support groove 45 at the bottom end of connecting shaft 3.In the rotating process of connecting shaft 3 and stirring shaft 4, support plate 32 moves up and down in support groove 45, the stability of connecting shaft 3 and stirring shaft 4 is improved, connecting block 44 is prevented from falling off in annular groove 51, and stirring shaft 4 is protected.

[0034] Refer to Figure 3 Protective pads 33 are arranged on the upper and lower ends of support plate 32.The upper and lower ends of support plate 32 are protected by protective pads 33.

[0035] Refer to Figure 2 Connecting plate 6 is connected to stirring shaft 4, and scraper 61 is arranged on the end of connecting plate 6 and abuts against the inner wall of mixing drum 1.The inner wall of mixing drum 1 is easy to adhere binder and aggregate, and the binder and aggregate adhered to the inner wall of mixing drum 1 are scraped off by scraper 61 in the rotating process of stirring shaft 4.

[0036] With reference to Figure 1 , the discharge pipe 11 is provided with a discharge valve 111. The discharge of the material in the discharge barrel is controlled by the discharge valve 111.

[0037] With reference to Figure 1 , the surface of the stirring drum 1 is provided with an observation window 7. The mixing between the cementing agent and the aggregate in the stirring drum 1 is observed through the observation window 7.

[0038] The implementation principle of the mine full tailings cemented filling equipment according to the embodiment of the present application is as follows: after the aggregate and the cementing agent are added into the stirring drum 1, the driving motor 2 is started, the connecting shaft 3 rotates, the stirring shaft 4 is driven to rotate through the connecting key 31, in the rotating process of the stirring shaft 4, the connecting block 44 moves in the annular groove 51, thereby driving the stirring shaft 4 to move up and down along the axis direction of the stirring drum 1 in the rotating process, the stirring range of the stirring blade 41 on the stirring shaft 4 is expanded, the stirring and mixing effect of the aggregate and the cementing agent is improved, after the mixing of the cementing agent and the aggregate in the stirring drum 1 is completed, the mixture is discharged into the auger 8 through the discharge pipe 11.

[0039] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A mine full tailings cemented fill plant characterised in that, Including stirring drum (1), the lower end of stirring drum (1) is communicated with discharge pipe (11), the lower portion of stirring drum (1) is provided with auger (8) communicated with discharge pipe (11), the top of stirring drum (1) is installed with drive motor (2), the output shaft of drive motor (2) is coaxially fixedly connected with connecting shaft (3) located in stirring drum (1), connecting shaft (3) is coaxially connected with stirring shaft (4), stirring shaft (4) is provided with stirring blade (41), connecting shaft (3) is provided with connecting key (31), the one end of stirring shaft (4) close to connecting shaft (3) is provided with connecting groove (42) for the insertion of connecting shaft (3), the inner wall of connecting groove (42) is provided with connecting port (43) matched with connecting key (31), the inside of stirring drum (1) is provided with connecting pipe (5) sleeved on stirring shaft (4), the inner wall of connecting pipe (5) is provided with annular groove (51), the outer wall of stirring shaft (4) is provided with connecting block (44) matched with annular groove (51).

2. A mine full tailings cemented filling equipment according to claim 1, characterized in that: The bottom of connecting groove (42) is provided with support groove (45), support groove (45) and connecting groove (42) are provided with connecting ring (46), the length of support groove (45) is not less than the length of annular groove (51) along the height direction of stirring drum (1), the bottom end of connecting shaft (3) is provided with support plate (32) located in support groove (45).

3. A mine full tailings cemented filling equipment according to claim 2, characterized in that: The upper and lower ends of support plate (32) are provided with protective pad (33).

4. A mine full tailings cemented filling equipment according to claim 1, characterized in that: The stirring shaft (4) is provided with connecting plate (6), the end of connecting plate (6) is provided with scraping plate (61) abutting with the inner wall of stirring drum (1).

5. A mine full tailings cemented filling equipment according to claim 1, characterized in that: The top of stirring drum (1) is provided with feeding hopper (12).

6. A mine full tailings cemented filling equipment according to claim 1, characterized in that: The discharge valve (111) is installed on the discharge pipe (11).

7. A mine full tailings cemented filling equipment according to claim 1, characterized in that: The surface of stirring drum (1) is provided with observation window (7).

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