用于粘性尾砂连续短流程制备充填料浆的立式搅拌机

Abstract

本实用新型提供了一种用于粘性尾砂连续短流程制备充填料浆的立式搅拌机，涉及矿山搅拌机设备技术领域，其桶体内设置有带孔隔离板，所述带孔隔离板将立式搅拌机桶体分割成上搅拌腔和下搅拌腔；所述搅拌叶片包括分别设置于所述上搅拌腔和下搅拌腔内的上搅拌叶片和下搅拌叶片。所述上搅拌叶片为由刚性叶片和柔性链条复合而成的组合式叶片结构。该搅拌机是在现有立式搅拌机结构上进行的优化改进，通过简单且实用的设计，能够有效解决现有压滤尾砂等干骨料在连续制备充填料浆过程中出现的干料在搅拌机底部淤积、结块等对叶片阻力大、导致搅拌机过载和降低叶片使用寿命的技术问题。

Claims

1. A vertical mixer for the preparation of filling slurry in a continuous short process of viscous tailings, comprising: A vertical mixer barrel, a mixing shaft, a mixing motor, and mixing blades; wherein the mixing shaft and mixing blades are disposed inside the vertical mixer barrel, and the mixing motor is disposed above the vertical mixer barrel and is connected to the mixing shaft for transmission; characterized in that a perforated partition plate is disposed inside the vertical mixer barrel, and the perforated partition plate divides the vertical mixer barrel into an upper mixing chamber and a lower mixing chamber. The stirring blades include an upper stirring blade and a lower stirring blade respectively disposed in the upper stirring chamber and the lower stirring chamber; The upper stirring blade is a composite blade structure made up of rigid blades and flexible chains.

2. A vertical mixer for viscous tailings continuous short flow preparation of filling paste according to claim 1, characterized in that, The upper stirring blade includes several sets of rigid blades connected to the stirring shaft and symmetrically arranged, and a flexible chain connected to the end of the rigid blades away from the stirring shaft; the rigid blades and the flexible chain are on the same horizontal straight line.

3. A vertical mixer for viscous tailings continuous short flow preparation of filling paste according to claim 2, characterized in that, The relationship between the length of the rigid blade and the length of the flexible chain is given by the formula: L 柔性 =(1 / 2~4 / 5)L 刚性 .

4. A vertical mixer for viscous tailings continuous short flow preparation of filling paste according to claim 1, characterized in that, The length of the upper stirring blade is related to the diameter of the vertical mixer barrel as follows: L 上搅拌 = (2 / 3 ~ 3 / 4) R 桶径 .

5. A vertical mixer for viscous tailings continuous short flow preparation of filling paste according to claim 1, characterized in that, A concentration water pipe is connected to the inner wall of the lower stirring chamber.

6. A vertical mixer for viscous tailings continuous short flow preparation of filling paste according to claim 1, characterized in that, The isolation holes on the perforated isolation plate are one of the following structures: elongated elliptical, circular, square, or rhomboid, with the following parameters set: The isolation hole has an elongated elliptical structure: The length of the major axis L is 50 mm to 200 mm; The minor axis length W is 20 mm to 100 mm; The hole spacing S is 30 mm ~ 150 mm; Alternatively, the isolation hole can be circular: The diameter D is 30 mm to 120 mm; The hole spacing S is 40 mm to 160 mm; Alternatively, the isolation hole can be a square structure: Side length a ranges from 30 mm to 120 mm; The hole spacing S is 40 mm to 160 mm; Alternatively, the isolation hole may be a rhomboid structure: The diagonal length d1 is 40 mm to 150 mm; The diagonal length d2 is 20 mm to 100 mm; The hole spacing S is 30 mm to 150 mm.

7. A vertical mixer for viscous tailings continuous short flow preparation of filling slurry according to claim 6, characterized in that, The isolation holes are elongated elliptical structures, comprising vertical holes and horizontal holes arranged alternately to form a grid-like structure; the hole spacing is set as follows: Vertical hole spacing S 竖 The diameter is 30 mm to 150 mm. The pitch S of the transverse holes is 30 mm to 150 mm. 横 30 mm~150 mm。 8. A vertical mixer for viscous tailings continuous short flow preparation of filling paste according to claim 1, characterized in that, The perforated isolation plate has a through hole at its center for connection with the stirring shaft.

9. A vertical mixer for viscous tailings continuous short flow preparation of filling paste according to claim 1, characterized in that, The lower stirring blade has a double-layer blade structure, including a rigid blade layer and a flexible chain layer arranged parallel to each other; the blade length of the rigid blade layer is less than the blade length of the flexible chain layer.

10. A vertical mixer for viscous tailings continuous short flow preparation of filling paste according to claim 1, characterized in that, The vertical distance H between the upper stirring blade and the perforated isolation plate is 50mm≤H≤200mm.

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