Ore transportation device and underground mine ore lifting system

Abstract

The utility model discloses an ore transportation device and an underground mine ore lifting system, the ore transportation device comprises an ore bucket, a first transmission wheel, a second transmission wheel, a conveyor belt, a stirring shaft arranged in the ore bucket and a driving device arranged on the outer side wall of the ore bucket, and blades are arranged on the stirring shaft; one end of the stirring shaft is rotationally connected with the inner side wall of the ore bucket, and the other end penetrates through the side wall of the ore bucket to be connected with the first transmission wheel; the output end of the driving device is connected with a second transmission wheel, and the second transmission wheel is in transmission connection with the first transmission wheel through a conveying belt. According to the ore transportation device, the technical problem that ore particles are bonded and agglomerated in the transportation process is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ore transportation, and in particular relates to an ore transportation device and an underground mine ore hoisting system. Background Art

[0002] Traditional ore hoisting in underground mines primarily involves using skips and cages. The skip and cage shaft and hoisting systems are subject to significant investment, long construction cycles, and require numerous operators. Furthermore, ore is typically transported underground using a hopper, powered by a tractor. During transportation, ore particles within the hopper reagglomerate, and fine ore particles often adhere to the hopper's inner walls, compromising ore conveying and unloading efficiency. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the present invention aims to provide an ore transport device, which can solve the technical problem of adhesion and agglomeration between ore particles during transportation.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] An ore transport device includes an ore bucket and has the following structural features: it also includes a first transmission wheel, a second transmission wheel, a conveyor belt, a stirring shaft arranged in the ore bucket, and a driving device arranged on the outer wall of the ore bucket, the stirring shaft being provided with blades; one end of the stirring shaft is rotatably connected to the inner wall of the ore bucket, and the other end passes through the side wall of the ore bucket and is connected to the first transmission wheel; the output end of the driving device is connected to the second transmission wheel, and the second transmission wheel is connected to the first transmission wheel through a conveyor belt.

[0006] The drive device can be an electric motor, which can be powered by a tractor connected to the ore bucket. When the transport device of the present application is used to transport ore, the drive device is activated, which drives the second transmission wheel to rotate. The second transmission wheel drives the first transmission wheel to rotate via the conveyor belt, causing the stirring shaft disposed within the ore bucket to rotate. The blades on the stirring shaft stir the ore, thereby preventing the ore particles from sticking and clumping.

[0007] Specifically, the stirring shaft is arranged along the length direction of the ore bucket.

[0008] Preferably, the blades are rotating blades, which are arranged along the length direction of the stirring shaft.

[0009] Preferably, an ultra-high molecular weight polyethylene sheet is provided on the inner wall of the ore bucket. The ultra-high molecular weight polyethylene sheet has the characteristics of being non-sticky and non-hygroscopic, so that the ore does not adhere to the inner wall of the ore bucket.

[0010] Based on the same inventive concept, the present application also provides an underground mine ore hoisting system, comprising ore mining equipment, grinding equipment, mineral processing equipment, a pulping machine, a slurry pool, a conveying pump, and the ore transport device described above; the output end of the ore mining equipment is connected to the inlet of the grinding equipment, and the outlet of the grinding equipment is connected to the inlet of the mineral processing equipment; the ore screened by the mineral processing equipment is transported to the pulping machine via the ore transport device for pulping, and the output port of the pulping machine is connected to the slurry pool; the input port of the conveying pump is connected to the outlet of the slurry pool, and the output port of the conveying pump is connected to the surface via an upward channel. The grinding equipment can be a ball mill, and the ore mined by the ore mining equipment is ground by the grinding equipment. The ground ore is screened by the mineral processing equipment and then transported to the pulping machine via the ore transport device to form ore pulp. The ore pulp is then diluted by the slurry pool into ore slurry that can be pumped by the conveying pump, and finally pumped to the surface by the conveying pump. This new underground mine ore hoisting system brings grinding, beneficiation, and pulping equipment underground, converting mined ore into a slurry and lifting it to the surface. This fluidized ore transport significantly reduces ore transportation costs and associated construction expenses compared to traditional skip and cage ore hoisting methods. This new underground mine ore hoisting system improves ore hoisting efficiency, increases ore hoisting safety, and reduces energy consumption and emissions, thereby accelerating the development of green mines.

[0011] Preferably, the ore mining equipment includes one or a combination of a cantilever roadheader, a full-face hard rock roadheader, and a fully mechanized mining machine. Using mechanized and intelligent equipment for mining generally produces smaller ore particles, creating excellent conditions for subsequent grinding, screening, and pulping.

[0012] Specifically, the distance between the grinding equipment and the ore mining equipment does not exceed 100 meters.

[0013] Specifically, the grinding equipment and the mineral processing equipment are arranged in the same equipment chamber.

[0014] Preferably, the pulping machine, slurry tank and delivery pump are all arranged in the underground drainage system. The ore is made into slurry and diluted using water in the existing underground drainage system. The dilution ratio is determined according to actual conditions so that the diluted ore slurry is suitable for pumping.

[0015] Specifically, the output end of the delivery pump is connected to the drainage channel of the underground drainage system. Through the existing underground drainage system, the ore slurry is transported to the surface using drill holes or pipes, thereby achieving ore lifting through the existing drainage system, further saving ore lifting costs.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The ore transport device of the present invention stirs the ore by arranging a stirring shaft and blades on the stirring shaft in the ore bucket, thereby preventing the ore particles from sticking together during the transportation process;

[0018] 2. The underground mine ore hoisting system of this utility model moves the grinding equipment, mineral processing equipment and pulping equipment underground, converts the mined ore into slurry and hoists it to the surface, realizing fluidized ore transportation. Compared with the traditional skip cage method of ore hoisting, it greatly reduces the ore transportation cost and the corresponding construction expenses.

[0019] 3. The underground mine ore hoisting system of this utility model improves the ore hoisting efficiency, increases the safety of ore hoisting, and saves energy and reduces emissions, thereby accelerating the construction of green mines;

[0020] 4. The underground mine ore hoisting system of the present invention hoists ore through the existing drainage system, further saving the ore hoisting cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic structural diagram of the ore transport device of the present utility model;

[0022] Figure 2 for Figure 1 Schematic diagram of the top view structure;

[0023] Figure 3 This is a schematic diagram of the structure of an underground mine ore hoisting system of the present utility model.

[0024] In the figure

[0025] 1- ore bucket; 2- stirring shaft; 3- first transmission wheel; 4- second transmission wheel; 5- transmission belt; 6- driving device; 7- blade. DETAILED DESCRIPTION

[0026] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. It should be noted that the embodiments and features of the embodiments of the present invention may be combined unless they conflict. For ease of description, the words "upper," "lower," "left," and "right" appear below merely to indicate the directions of upper, lower, left, and right in the accompanying drawings and do not limit the structure.

[0027] like Figure 1 As shown, the ore transport device provided in this embodiment includes an ore bucket 1, a first transmission wheel 3, a second transmission wheel 4, a conveyor belt 5, and a drive device 6 arranged on the outer wall of the ore bucket 1. The inner wall of the ore bucket 1 is provided with an ultra-high molecular weight polyethylene plate. The drive device 6 is a motor, and the motor is powered by a tractor connected to the ore bucket 1. Figure 2As shown, a stirring shaft 2 is provided along the length of the ore bucket 1, and blades 7 are mounted on the stirring shaft 2. The blades 7 are rotating blades arranged along the length of the stirring shaft 2. One end of the stirring shaft 2 is rotatably connected to the inner sidewall of the ore bucket 1, while the other end extends through the sidewall of the ore bucket 1 and is connected to the first transmission wheel 3. The motor output end is connected to the second transmission wheel 4, which is in transmission connection with the first transmission wheel 3 via a conveyor belt 5. When the transport device of this embodiment is used to transport ore, the motor is started, which drives the second transmission wheel 4 to rotate. The second transmission wheel 4 drives the first transmission wheel 3 via the conveyor belt 5, causing the stirring shaft 2 located within the ore bucket 1 to rotate. The blades 7 on the stirring shaft 2 stir the ore, thereby preventing the ore particles from sticking and clumping. Because the inner wall of the ore bucket 1 is covered with ultra-high molecular weight polyethylene sheets, which are non-sticky and non-hygroscopic, the ore does not adhere to the inner wall of the ore bucket 1.

[0028] like Figure 3 As shown, this embodiment also provides an underground ore hoisting system including ore mining equipment, grinding equipment, mineral processing equipment, a pulping machine, a slurry pool, a conveying pump, and the mine transportation device as described above. The ore mining equipment adopts intelligent mechanized mining equipment, such as: a cantilever tunneling machine, a full-section hard rock tunneling machine, and a fully mechanized mining machine. The grinding equipment and the mineral processing equipment are arranged in the same equipment chamber, the grinding equipment adopts a ball mill, the conveying pump adopts a plunger pump, and the pulping machine, the slurry pool, and the conveying pump are arranged in the original underground drainage system. The output end of the ore mining equipment is connected to the inlet of the grinding equipment, and the outlet of the grinding equipment is connected to the inlet of the mineral processing equipment. The ore screened by the mineral processing equipment is transported to the pulping machine through the ore transportation device for pulping, and the output port of the pulping machine is connected to the slurry pool. The input port of the conveying pump is connected to the outlet of the slurry pool, and the output port of the conveying pump is connected through the drainage channel of the existing drainage system. The specific working process of the underground ore hoisting system is as follows: on the mining face, fine ore particles are mined by intelligent mechanized mining equipment; the excavated ore is ground by a ball mill in a chamber no more than 100 meters away from the excavation face; the ground ore particles are screened by mineral processing equipment; the waste rock obtained by screening is directly used to fill the goaf and slag, and the screened ore is transported to the original underground drainage system through the ore bucket; the slurry is made by the mining pulping machine in the underground drainage system, and the slurry is diluted with water in the slurry pool. The specific dilution ratio is determined by the properties of the ore, so that the diluted ore particles have pumpable properties; the plunger pump will use the ore slurry diluted with water through the existing drainage system and transport it to the surface mineral processing workshop using a borehole or pipeline; the mineral processing workshop screens out the target ore and sends it to subsequent processing, and the waste rock in the mineral processing workshop is used to fill the mining area and slag.

[0029] Compared with the traditional skip cage method of lifting ore, the underground ore hoisting system of this embodiment, taking a mine with an annual production capacity of 5 million tons as an example, the total annual ore transportation cost is 4 million yuan. At a 30% reduction, the total annual ore transportation cost can be saved by 1.2 million yuan, and the skip construction cost can be reduced by 5 million yuan.

[0030] The contents described in the above embodiments should be understood as these embodiments are only used to more clearly illustrate the present invention, and are not used to limit the scope of the present invention. After reading the present invention, various equivalent modifications to the embodiments by those skilled in the art fall within the scope defined by the claims attached to the present invention.

Claims

1. An ore transport device, comprising an ore bucket (1), characterized in that: It also includes a first transmission wheel (3), a second transmission wheel (4), a conveyor belt (5), a stirring shaft (2) arranged in the ore bucket (1), and a driving device (6) arranged on the outer wall of the ore bucket (1); the stirring shaft (2) is provided with blades (7); One end of the stirring shaft (2) is rotatably connected to the inner wall of the ore bucket (1), and the other end passes through the side wall of the ore bucket (1) and is connected to the first transmission wheel (3); The output end of the driving device (6) is connected to the second transmission wheel (4), and the second transmission wheel (4) is connected to the first transmission wheel (3) through a transmission belt (5).

2. The ore transport device according to claim 1, characterized in that: The stirring shaft (2) is arranged along the length direction of the ore bucket (1).

3. The ore transport device according to claim 1, characterized in that: The blades (7) are rotating blades, and the rotating blades are arranged along the length direction of the stirring shaft (2).

4. The ore transport device according to claim 1, characterized in that: An ultra-high molecular weight polyethylene plate is provided on the inner wall of the ore bucket (1).

5. An underground mine ore hoisting system, characterized by: It comprises ore mining equipment, grinding equipment, mineral processing equipment, a pulping machine, a slurry pool, a conveying pump and an ore transportation device as described in any one of claims 1 to 4; the output end of the ore mining equipment is connected to the inlet of the grinding equipment, and the outlet of the grinding equipment is connected to the inlet of the mineral processing equipment; the ore screened by the mineral processing equipment is transported to the pulping machine for pulping through the ore transportation device, and the output port of the pulping machine is connected to the slurry pool; the input port of the conveying pump is connected to the outlet of the slurry pool, and the output port of the conveying pump is connected to the surface through an upward channel.

6. The underground mine ore hoisting system according to claim 5, characterized in that: The ore mining equipment includes one or a combination of a cantilever roadheader, a full-face hard rock roadheader, and a fully mechanized mining machine.

7. The underground mine ore hoisting system according to claim 5, characterized in that: The distance between the grinding equipment and the ore mining equipment shall not exceed 100 meters.

8. The underground mine ore hoisting system according to claim 5, characterized in that: The grinding equipment and the mineral processing equipment are arranged in the same equipment chamber.

9. The underground mine ore hoisting system according to claim 5, characterized in that: The pulping machine, slurry pool and delivery pump are all arranged in the underground drainage system.

10. The underground mine ore hoisting system according to claim 9, characterized in that: The output end of the delivery pump is connected to the drainage channel of the underground drainage system.

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