Coal slurry flotation device

Abstract

The utility model discloses a coal slurry flotation device, which relates to the field of flotation and comprises a flotation tank, a plurality of first chutes are arranged at the upper end of the inner wall of the flotation tank, the first chutes are horizontally and symmetrically designed, gear grooves which are symmetrically designed are fixedly mounted on the inner wall of the flotation tank, and connecting rods are slidably mounted in the first chutes. One end of the connecting rod is located on the outer side of the first sliding groove, a motor is fixedly installed on the lower end face of the connecting rod, a gear is fixedly installed on an output shaft of the motor and rotationally installed in the gear groove, and a scraping box is connected to the lower end face of the connecting rod; the connecting rod can drive the scraping box to move synchronously when moving horizontally. The connecting rod can drive the scraping box to move synchronously in the sliding process, and laitance on the surface of the flotation tank can be scraped into laitance containers on the two sides in the moving process of the scraping box, so that the situation that the laitance is accumulated in the flotation tank is avoided, laitance cleaning is accelerated, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of flotation, in particular to a coal slurry flotation device. Background Art

[0002] Flotation machine is the abbreviation of flotation concentrator, which refers to the mechanical equipment that completes the flotation process. In the flotation machine, the pulp treated with reagents is stirred and aerated, so that some mineral particles are selectively fixed on the bubbles; the particles that float to the surface of the pulp are scraped out to form foam products, and the rest are retained in the pulp to achieve the purpose of separating minerals.

[0003] Coal slurry flotation is an indispensable process in coal deep processing. The coal mined directly from the mine is called raw coal. Coal washing is an industrial process to remove impurities from the raw coal or to classify high-quality coal and low-quality coal. Therefore, a flotation machine is needed to operate.

[0004] At present, most traditional flotation machines are operated by motors with rotating shafts. Scrapers are installed on the circumference of the rotating shafts. The scrapers scrape away the foam on the surface of the coal slurry during the rotation process. When this type of flotation device is in operation, the scrapers are mostly installed on one side of the flotation machine. When scraping the slurry, the slurry behind needs to push the slurry in front to move. When the slurry moves, the edge of the flotation machine is behind, and the scraper can scrape the slurry off during the rotation process. The process also needs to consider the movement of the slurry, which is easy to cause the slurry to accumulate inside the flotation machine, away from the side of the scraper, thereby affecting the efficiency and effect of flotation. Utility Model Content

[0005] The main purpose of the utility model is to provide a coal slurry flotation device, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A coal slurry flotation device comprises a flotation tank, wherein a plurality of first chutes are provided at the upper end of the inner wall of the flotation tank, the first chutes are horizontally symmetrically designed, and a symmetrically designed gear groove is fixedly installed on the inner wall of the flotation tank;

[0008] A connecting rod is slidably installed in the first slide groove, one end of the connecting rod is located outside the first slide groove, a motor is fixedly installed on the lower end surface of the connecting rod, a gear is fixedly installed on the output shaft of the motor, and the gear is rotatably installed inside the gear groove;

[0009] The lower end surface of the connecting rod is connected with a scraper box. When the gear rotates, it can bring the connecting rod to move horizontally, and when the connecting rod moves horizontally, it can bring the scraper box to move synchronously.

[0010] Furthermore, a feed pipe is fixedly connected to the side wall of the flotation tank, and the feed pipe can be connected to an external pipeline so that the material enters the interior of the flotation tank.

[0011] Furthermore, the first slide groove is in a vertical state with the connecting rod, and the first slide groove can restrict the connecting rod so that one end of the connecting rod away from the first slide groove is downward, thereby making the connecting rod in a horizontal state.

[0012] Furthermore, a tooth groove is provided on one side wall of the inner side of the gear groove, and the gear is meshed with the tooth groove.

[0013] Furthermore, the lower end surface of the connecting rod protrudes downward, a spring is fixedly installed on one end of the protrusion, and the other end of the spring is fixedly connected to a scraper box.

[0014] Furthermore, a screw is rotatably mounted on the connecting rod, the two ends of the screw are located at the upper and lower ends of the connecting rod, and the lower end of the screw is rotatably mounted on the scraper box, so that the scraper box can move up and down when the screw is rotated.

[0015] Furthermore, slurry containers are fixedly installed on both sides of the flotation tank, and the slurry inside the flotation tank can enter the slurry container under the action of the scraper box.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] Compared with traditional flotation machines on the market, the utility model can allow the gear to carry the connecting rod to slide horizontally in the first slide groove under the drive of the motor, and the connecting rod can carry the scraper box to move synchronously during the sliding process. During the movement of the scraper box, the slurry on the surface of the flotation tank can be scraped into the slurry containers on both sides, thereby avoiding the accumulation of slurry inside the flotation tank, speeding up the cleaning of the slurry, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is an external view of the main body of a coal slurry flotation device of the utility model;

[0019] Figure 2 This is a schematic diagram of the first chute of a coal slurry flotation device of the utility model;

[0020] Figure 3 This is a schematic diagram of a connecting rod and a scraper box of a coal slurry flotation device of the utility model;

[0021] Figure 4 This is a cross-sectional view of the first chute and gear groove of a coal slurry flotation device of the utility model;

[0022] In the figure: 1, flotation tank; 11, first chute; 12, gear groove; 13, tooth groove; 2, motor; 21, gear; 3, connecting rod; 31, spring; 4, scraper box; 5, screw; 6, slurry container. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] As shown in the figure, this embodiment provides a coal slurry flotation device, including a flotation tank 1. A circular hole is opened on one end surface of the flotation tank 1, and a connecting pipe is installed on the hole. One end of the connecting pipe is fixedly connected to the material box, so that the raw materials stirred in the material box can enter the interior of the flotation tank 1.

[0025] The upper sides of the flotation tank 1 protrude upward and are higher than the flotation tank 1. Figure 1 As shown. Symmetrical first chutes 11 are provided on the inner walls of both sides of the upper end of the flotation tank 1, and both ends of the first chutes 11 are in a closed state. Secondly, symmetrical gear grooves 12 are fixedly installed on the inner walls of both sides of the upper end of the flotation tank 1, and the height of the gear grooves 12 is lower than that of the first chutes 11, as shown. Figure 4 shown.

[0026] The connecting rod 3 is slidably mounted inside the first slide groove 11, and the other end of the connecting rod 3 extends to the outside of the first slide groove 11 (the first slide groove 11 and the connecting rod 3 are in a vertical state, such as Figure 3 The first slide groove 11 can keep the connecting rod 3 in a horizontal state, thereby preventing the end of the connecting rod 3 away from the first slide groove 11 from tilting downward due to weight.

[0027] A motor 2 is fixedly mounted on the lower end surface of the connecting rod 3 near the first slide groove 11 (the motor 2 can rotate forward and reverse, so that the connecting rod 3 can move back and forth), a gear 21 is fixedly mounted on the output shaft of the motor 2, and a tooth groove 13 is provided on one side wall of the inner side of the gear groove 12, and the tooth groove 13 meshes with the gear 21, such as Figure 4 shown.

[0028] When the output shaft of the motor 2 rotates with the gear 21, the connecting rod 3 can slide horizontally, thereby changing the position of the connecting rod 3 at one end inside the first slide slot 11. Secondly, the other end of the connecting rod 3 protrudes downward, and the lower end surface of the connecting rod 3 close to the motor 2 also protrudes downward, so that the lower end surface of the connecting rod 3 has two downwardly protruding columns, so that the lower end surface of the connecting rod 3 has a "U"-shaped structure, such as Figure 3 shown.

[0029] A spring 31 is fixedly mounted on one end of the two columns away from the connecting rod 3. The other end of the spring 31 is fixedly connected to a scraper box 4. The scraper box 4 is a trapezoidal structure, and the inner walls on both sides are hollow. Figure 3 shown.

[0030] During the horizontal sliding process of the connecting rod 3, the scraper box 4 can move synchronously, and the scraper box 4 can scrape the slurry on the surface of the flotation tank 1 during the movement. The slurry containers 6 are fixedly installed on both sides of the flotation tank 1. When the scraper box 4 moves horizontally to the edges of both sides of the flotation tank 1, the slurry can be scraped into the inside of the slurry container 6, and then flow out through the holes opened in the slurry container 6. Figure 1 shown.

[0031] A threaded hole is provided at the center of the two protruding columns of the connecting rod 3, and a screw rod 5 is rotatably installed inside the threaded hole. One end of the screw rod 5 rotates from one end of the threaded hole to the other end and extends to the outside of the threaded hole. The lower end of the screw rod 5 is rotatably installed to the upper end of the scraper box 4. Figure 3 Rotating the screw 5 can make the scraper box 4 move up and down, so that the scraper box 4 can handle slurries of different thicknesses. Secondly, when the screw 5 rotates, the spring 31 can be contracted or stretched, so that the scraper box 4 can maintain a horizontal state.

[0032] The working principle is as follows: the side wall of the flotation tank 1 is connected to the raw material barrel, and the raw materials in the raw material barrel enter the flotation tank 1. Under the action of the stirring rod, stirring teeth and drugs, foam is generated, and the foam floats on the surface under the action of buoyancy.

[0033] The height of the scraper box 4 is adjusted by the screw rod 5 to meet the actual on-site needs. Secondly, under the drive of the motor 2, the gear 21 can rotate and slide inside the gear groove 12, and the connecting rod 3 can slide horizontally synchronously, so that the connecting rod 3 moves with the scraper box 4. During the movement, the scraper box 4 can push the floating slurry on the surface into the floating slurry container 6 to complete the operation, thereby avoiding the situation in which the floating slurry of the traditional flotation machine accumulates on one side and the situation in which a continuous supply of floating slurry is required to push the floating slurry in the center to the edge.

[0034] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be determined by the attached claims and their equivalents.

Claims

1. A coal slurry flotation device, characterized in that: The flotation tank (1) comprises a plurality of first chutes (11) on the upper end of the inner wall of the flotation tank (1), the first chutes (11) are designed to be horizontally symmetrical, and a symmetrically designed gear groove (12) is fixedly installed on the inner wall of the flotation tank (1); A connecting rod (3) is slidably mounted in the first slide groove (11), one end of the connecting rod (3) is located outside the first slide groove (11), a motor (2) is fixedly mounted on the lower end surface of the connecting rod (3), a gear (21) is fixedly mounted on the output shaft of the motor (2), and the gear (21) is rotatably mounted inside the gear groove (12); The lower end surface of the connecting rod (3) is connected to a scraper box (4); when the gear (21) rotates, it can drive the connecting rod (3) to move horizontally; when the connecting rod (3) moves horizontally, it can drive the scraper box (4) to move synchronously.

2. A coal slurry flotation device according to claim 1, characterized in that: A feed pipe is fixedly connected to the side wall of the flotation tank (1), and the feed pipe can be connected to an external pipeline so that the material enters the interior of the flotation tank (1).

3. A coal slurry flotation device according to claim 1, characterized in that: The first slide groove (11) and the connecting rod (3) are in a vertical state, and the first slide groove (11) can restrict the connecting rod so that the end of the connecting rod (3) away from the first slide groove (11) is downward, thereby making the connecting rod (3) in a horizontal state.

4. A coal slurry flotation device according to claim 1, characterized in that: A tooth groove (13) is provided on one side wall of the inner side of the gear groove (12), and the gear (21) is meshed with the tooth groove (13).

5. A coal slurry flotation device according to claim 1, characterized in that: The lower end surface of the connecting rod (3) protrudes downward, and a spring (31) is fixedly installed on one end of the protrusion, and the other end of the spring (31) is fixedly connected to a scraper box (4).

6. A coal slurry flotation device according to claim 1, characterized in that: A screw rod (5) is rotatably mounted on the connecting rod (3), the two ends of the screw rod (5) are located at the upper and lower ends of the connecting rod (3), and the lower end of the screw rod (5) is rotatably mounted on the scraper box (4). When the screw rod (5) is rotated, the scraper box (4) can move up and down.

7. A coal slurry flotation device according to claim 1, characterized in that: Float containers (6) are fixedly installed on both sides of the flotation tank (1), and the float inside the flotation tank (1) can enter the float container (6) under the action of the scraper box (4).

Images