Dual-tier convection stirrer
A stirring paddle, double-layer technology, applied in the field of double-layer convection stirring paddle, can solve the problems of large load, large loss of reducer, small proportion of tungsten mortar upper layer, etc., and achieve the effect of convenient replacement and cost reduction.
Inactive Publication Date: 2019-02-01
杜志远
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Problems solved by technology
[0003] At present, most of the widely used stirring paddles are single-layer blade type or frame type. During the operation of the blade type stirring paddle, it will generate an upward pressure and a centrifugal force to the surroundings, forming a vortex in the tungsten mortar bucket, making the tungsten The mortar moves circularly in one direction at its own speed, which may easily cause the specific gravity of the tungsten mortar to be smaller in the upper layer and larger in the lower layer; smaller in the middle and larger in the surrounding area.
The frame-type impeller also has the same problem because it only generates a centrifugal force to the surroundings, and the load is larger, and the loss of the reducer is also greater
Method used
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Embodiment Construction
[0027] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0028] Such as Figure 1 to Figure 6 Shown, be a kind of double-deck convection stirring paddle of the present embodiment, comprise stirring main shaft 1, be provided with upper stirring paddle 2 and lower stirring paddle 4 vertically on the stirring main shaft 1 on stirring main shaft 1, upper stirring paddle 2 and The lower stirring paddles 4 are installed obliquely, and the inclination angle is 30 degrees. The tilting direction of the upper stirring paddle 2 is opposite to that of the lower stirring paddle 4 helicoid. , when the stirring spindle 1 rotates clockwise, the upper stirring paddle 2 and the lower stirring paddle 4 stir up and down to form a convective pressure. The stirring spindle 1 is provided with a casing 5, which is detachable. The stirring spindle 1 is provided with a fixing hole, and the inside of the sleeve 5 is provided with a scr...
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The invention discloses a dual-tier convection stirrer. Upper stirring blades and lower stirring blades are mounted on a stirring spindle respectively in vertical and inclined manners, inclination angle is 10 degrees and 80 degrees, spiral faces of the upper stirring blades are inclined opposite to those of the lower stirring blades; blades are arranged between the upper stirring blades and the lower stirring blades; the upper stirring blades are connected with the stirring spindle in welded manner; the lower stirring blades are connected with the stirring spindle via sleeves; stirring platesare connected to the bottom of the stirring spindle.
Description
technical field [0001] The invention belongs to the field of chemical industry, and in particular relates to a double-layer convection stirring paddle. Background technique [0002] Tungsten hydrometallurgy enterprises need to grind the raw material tungsten sand so that it can better react with alkali or acid. The ground tungsten mortar needs to be stirred continuously to avoid stratification and precipitation, which will affect the decomposition during use, but Due to the high specific gravity of tungsten mortar, in order to make it evenly stirred, the role of the stirring paddle is particularly important. [0003] At present, most of the widely used stirring paddles are single-layer blade type or frame type. During the operation of the blade type stirring paddle, it will generate an upward pressure and a centrifugal force to the surroundings, forming a vortex in the tungsten mortar bucket, making the tungsten The mortar moves circularly in one direction at its own speed,...
Claims
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Login to View More IPC IPC(8): B01F7/00
CPCB01F27/192B01F2101/26
Inventor 杜志远
Owner 杜志远