Self-filling wear-through-preventing ore pulp conveying device of ball mill for mineral separation

Abstract

The utility model discloses a self-filling abrasion-proof ore pulp conveying device of a ball mill for mineral separation, which belongs to the technical field of mineral processing and comprises an ore pulp conveying groove, and an ore pulp conveying channel penetrating left and right is formed on the ore pulp conveying groove. A loading groove is formed under the ore pulp conveying groove. The loading groove comprises a bottom face and a surrounding face, a glass fiber reinforced plastic containing cavity with an upward opening is defined by the bottom face and the surrounding face, and a glass fiber reinforced plastic groove is in lap joint in the glass fiber reinforced plastic containing cavity. The glass fiber reinforced plastic groove is in an open shape, and a closed ore pulp containing cavity is defined by the glass fiber reinforced plastic groove and the outer bottom face of the ore pulp conveying groove. The utility model has the advantages of simple manufacture, low cost and durability.

Description

Technical Field

[0001] The utility model belongs to the technical field of mineral processing, and more specifically relates to a self-filling and anti-wear slurry conveying device for a ball mill used for ore dressing. Background Art

[0002] In the mineral processing production line, the raw ore is ground by a ball mill and then introduced into a spiral classifier for classification. In the actual operation process, a slurry conveying device is installed between the discharge end of the ball mill and the feed end of the spiral classifier to transport the ore in the form of slurry after grinding. The slurry of the mineral processing plant is different from the slurry of general raw materials. After the raw ore is ball milled, the material with a fineness of -200 mesh accounts for about 50%-60% of the slurry, and the concentration of the slurry is about 50%. In addition, the slurry also contains a high concentration of sodium ions and chloride ions. During the transportation process, this kind of slurry has a very strong impact on the slurry conveying device, especially the bottom area of ​​the slurry conveying device is often worn through, resulting in frequent shutdowns in production. Frequent shutdowns for maintenance have greatly affected the continuous and stable production, not only increasing the workload of personnel, but also increasing production costs.

[0003] Traditionally, the problem of slurry wearing through the bottom of the slurry conveying device is solved by welding a steel plate on the outside of the bottom of the slurry conveying device. However, the welding steel plate only prolongs the service life to a certain extent. After the original bottom of the slurry conveying device is worn through, the welded steel plate becomes the new bottom, which will continue to be worn through during the continuous transportation of the slurry.

[0004] In addition, in the prior art, the publication number CN205606080U of "A repair structure for a slurry conveying pipeline" fills the worn-out part of the leakage position inside the slurry conveying pipeline with repair materials, and sets a leak-proof plate on the outside of the slurry conveying pipeline, so that the leakage position can be repaired to a strength close to the original structure, preventing the leakage position from being worn and leaking again under the scouring of the slurry, thereby extending the service life. However, in this technical solution, it is necessary to protect the outside of the slurry conveying pipeline and fill and repair the inside of the slurry conveying pipeline. The overall manufacturing process is relatively cumbersome, and the method of using cement mortar to repair the inside has a poor anti-wear effect. Utility Model Content

[0005] In order to overcome the problems existing in the background technology, the utility model patent provides a self-filling anti-wear slurry conveying device for a ball mill for ore dressing, which is simple to manufacture, has good anti-wear effect, and is more durable.

[0006] In order to achieve the above purpose, the utility model is implemented by the following technical solutions:

[0007] A self-filling and wear-resistant slurry conveying device for a ball mill for mineral processing comprises a slurry conveying trough, on which a slurry conveying channel is formed that runs through the slurry conveying trough from left to right; a loading trough is provided directly below the slurry conveying trough; the loading trough comprises a bottom surface and a surrounding surface, and the bottom surface and the surrounding surface together form a glass fiber reinforced plastic containing chamber that is open upward, and a glass fiber reinforced plastic trough is overlapped in the glass fiber reinforced plastic containing chamber; the glass fiber reinforced plastic trough is open, and a closed slurry containing chamber is enclosed between the glass fiber reinforced plastic trough and the outer bottom surface of the slurry conveying trough.

[0008] Furthermore, the fiberglass channel includes a left side plate, a right side plate and an arc-shaped plate connected between the left side plate and the right side plate.

[0009] Furthermore, the fiberglass reinforced plastic trough has a depth of 10-20 cm and a length of 1-1.5 m.

[0010] Furthermore, the slurry conveying trough includes a front panel, a rear panel, a top panel and a bottom panel, and the front panel, the rear panel, the top panel and the bottom panel enclose a slurry conveying channel that runs through from left to right.

[0011] Furthermore, the loading trough and the slurry conveying trough are arranged flush with each other as a whole.

[0012] Furthermore, the top end of the surrounding surface is fixedly connected to the bottom plate by full welding.

[0013] Beneficial effects of the utility model:

[0014] The utility model is provided with a loading trough below the slurry conveying trough, and a glass fiber reinforced plastic trough is provided in the loading trough. When the bottom area of ​​the existing slurry conveying trough is worn through, the hollow slurry containing chamber in the glass fiber reinforced plastic trough provided below will be slowly and evenly filled with slurry automatically. When the hollow slurry containing chamber is filled, the ore in the filled part will serve as an anti-wear layer to achieve a new anti-wear protection purpose. At the same time, because it is a glass fiber reinforced plastic trough, it has good anti-corrosion performance and can resist the long-term impact of high-concentration sodium ions and chloride ions. The utility model is simple to manufacture, low in cost, durable, and has good anti-wear effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] In the figure, 1-slurry conveying trough, 2-loading trough, 10-slurry conveying channel, 11-front panel, 12-rear panel, 13-top plate, 14-bottom plate, 20-bottom surface, 21-surrounding surface, 22-glass fiber reinforced plastic containing chamber, 3-glass fiber reinforced plastic trough, 30-left side plate, 31-right side plate, 32-arc plate, 33-slurry containing chamber. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to facilitate understanding by technicians.

[0018] like Figure 1 As shown, a self-filling and anti-wear pulp conveying device for a ball mill for mineral processing comprises a pulp conveying trough 1, on which a pulp conveying channel is formed which runs through the pulp conveying trough 1;

[0019] When in use, one open end of the slurry conveying channel is fixedly connected to the discharge end of the ball mill, and the other open end of the slurry conveying channel is fixedly connected to the feed end of the spiral classifier; the slurry conveying channel is responsible for transmitting the ore in the form of slurry after ball milling in the ball mill to the spiral classifier.

[0020] In order to prevent the bottom of the slurry conveying trough 1 from being worn through and causing slurry leakage and shutdown for maintenance, a loading trough 2 is provided directly below the slurry conveying trough 1; the loading trough 2 includes a bottom surface 20 and a surrounding surface 21, and the bottom surface 20 and the surrounding surface 21 together form a glass fiber reinforced plastic containing chamber 22 open upward, and a glass fiber reinforced plastic trough 3 is overlapped in the glass fiber reinforced plastic containing chamber 22; the glass fiber reinforced plastic trough 3 is open, and the glass fiber reinforced plastic trough 3 and the outer bottom surface of the slurry conveying trough 1 together form a closed slurry containing chamber 33; the slurry containing chamber 33 is arranged corresponding to the slurry conveying channel, that is, the slurry leaked from the slurry conveying channel can flow into the slurry containing chamber 33 and be collected.

[0021] Through the above design, when the bottom area of ​​the slurry conveying trough 1 is worn through, the slurry containing chamber 33 in the FRP trough 3 will be slowly and evenly filled with slurry automatically. When the slurry containing chamber 33 is fully filled, the ore in the filled part will serve as an anti-wear layer to achieve a new anti-wear protection purpose. At the same time, since the FRP trough 3 has good corrosion resistance, it can resist the long-term impact of high concentrations of sodium ions and chloride ions, and is therefore more durable. In addition, it should be noted that FRP itself is a prior art, which generally refers to reinforced plastics using glass fiber to reinforce unsaturated polyester, epoxy resin and phenolic resin matrix, with glass fiber or its products as reinforcing materials.

[0022] The function of the loading slot 2 in the utility model is to provide a containing space for the glass fiber reinforced plastic slot 3 and to protect the glass fiber reinforced plastic slot 3 from displacement due to external impact.

[0023] Specifically, the fiberglass tank 3 in the present invention includes a left plate 30, a right plate 31, and an arc plate 32 connected between the left plate 30 and the right plate 31. With the above design, the volume of the slurry holding chamber 33 can be reduced, so that the slurry holding chamber 33 can be filled without too much slurry, thereby playing an early role in preventing wear and tear.

[0024] Specifically, the glass fiber reinforced plastic groove 3 has a depth of 10-20 cm and a length of 1-1.5 m.

[0025] Specifically, the slurry conveying trough 1 comprises a front panel 11, a rear panel 12, a top panel 13 and a bottom panel 14, and the front panel 11, the rear panel 12, the top panel 13 and the bottom panel 14 enclose a slurry conveying channel that runs through from left to right.

[0026] Specifically, for a more aesthetically pleasing appearance, the loading trough 2 and the slurry conveying trough 1 are arranged flush with each other as a whole.

[0027] Specifically, the top end of the surrounding surface 21 is fixedly connected to the bottom plate 14 by full welding.

[0028] The working process of this utility model:

[0029] When in use, the device is fixedly installed between the discharge end of the ball mill and the feed end of the spiral classifier; specifically, first prepare the glass fiber reinforced plastic trough 3 and the loading trough 2 of corresponding sizes according to the size of the slurry conveying trough 1; then overlap the glass fiber reinforced plastic trough 3 in the loading trough 2; then complete the sealing of the top surface of the glass fiber reinforced plastic trough 3 and the bottom surface of the slurry conveying trough 1, and finally seal the top of the loading trough 2 and the outer bottom surface of the slurry conveying trough 1, that is, complete the entire installation process, and then it can be put into use.

[0030] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the utility model. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the protection scope of the utility model.

Claims

1. A self-filling and anti-wear pulp conveying device for a ball mill for mineral processing, comprising a pulp conveying trough (1), wherein a pulp conveying channel is formed on the pulp conveying trough (1) and runs through the trough to the left and right; the characteristics are as follows: A loading trough (2) is provided directly below the slurry conveying trough (1); the loading trough (2) comprises a bottom surface (20) and a surrounding surface (21), and the bottom surface (20) and the surrounding surface (21) together form a glass fiber reinforced plastic containing chamber (22) which is open and faces upward, and a glass fiber reinforced plastic trough (3) is overlapped in the glass fiber reinforced plastic containing chamber (22); the glass fiber reinforced plastic trough (3) is open, and the glass fiber reinforced plastic trough (3) and the outer bottom surface of the slurry conveying trough (1) together form a closed slurry containing chamber (33).

2. The self-filling and anti-wear pulp conveying device for ball mill for ore dressing according to claim 1 is characterized in that: The glass fiber reinforced plastic channel (3) comprises a left side plate (30), a right side plate (31), and an arc-shaped plate (32) connected between the left side plate (30) and the right side plate (31).

3. A self-filling and anti-wear pulp conveying device for ball mill for ore dressing according to claim 1 or 2, characterized in that: The glass fiber reinforced plastic groove (3) has a depth of 10-20 cm and a length of 1-1.5 m.

4. The self-filling and anti-wear pulp conveying device for ball mill for ore dressing according to claim 1, characterized in that: The slurry conveying trough (1) comprises a front panel (11), a rear panel (12), a top panel (13) and a bottom panel (14); the front panel (11), the rear panel (12), the top panel (13) and the bottom panel (14) enclose a slurry conveying channel that runs through from left to right.

5. The self-filling and anti-wear pulp conveying device for ball mill for ore dressing according to claim 4, characterized in that: The loading trough (2) and the slurry conveying trough (1) are arranged flush with each other as a whole.

6. The self-filling and anti-wear pulp conveying device for ball mill for ore dressing according to claim 5, characterized in that: The top end of the surrounding surface (21) is fixedly connected to the bottom plate (14) by full welding.

Images