CN214344542U - Elutriator - Google Patents

Abstract

The utility model provides an elutriator, which is provided with a first cavity, a second cavity, a third cavity and a fourth cavity which are communicated in sequence from top to bottom; the first cavity is provided with a material inlet and an elutriation liquid outlet; the inner diameter of the second cavity gradually shrinks from top to bottom; the bottom edge of the second cavity is provided with a flow guide edge, the flow guide edge is provided with a plurality of through holes, and the flow guide edge extends downwards in an inclined mode and extends into the third cavity; the upper part of the inner cavity of the third cavity is provided with a guide cylinder, the guide cylinder comprises a cylinder body and an arc top cover arranged at the top of the cylinder body, the arc top cover is provided with a plurality of guide holes, and the diameter of the cylinder body of the guide cylinder is smaller than the inner diameter of the third cavity; an elutriation liquid inlet is formed in the third cavity; and a material outlet is formed in the fourth cavity. The utility model discloses an elutriation ware elutriates efficiently, is favorable to obtaining stable quality's crystal salt.

Description

Elutriator

Technical Field

The utility model relates to a material draws the field, especially relates to a novel elutriator.

Background

An aluminum chloride washing system of an evaporative crystallization unit is one of key processes for guaranteeing the quality of aluminum chloride, and a two-stage separation and one-time washing process is adopted in the aluminum chloride washing process during the seventh test run reaching the standard so as to ensure the product quality. The specific washing process comprises the steps of carrying out primary separation on the triple-effect aluminum chloride slurry, then feeding solid crystalline aluminum chloride into a mixing tank, washing with saturated aluminum chloride solution, and carrying out secondary separation on the washed slurry to obtain crystalline aluminum chloride with high purity. The system has the defects of longer process flow route, high energy consumption, high labor intensity, low centrifuge capacity and the like.

In order to improve the washing efficiency of the existing aluminum chloride washing equipment and improve the quality of the crystallized aluminum chloride, a novel elutriation equipment needs to be developed.

Disclosure of Invention

An object of the utility model is to provide a washing efficiency is high, does benefit to the novel equipment of elutriating that obtains the stable quality crystal.

In order to achieve one aspect of the above object, the invention adopts the following technical scheme:

an elutriator is sequentially provided with a first cavity, a second cavity, a third cavity and a fourth cavity which are communicated from top to bottom;

the first cavity is provided with a material inlet and an elutriation liquid outlet;

the inner diameter of the second cavity gradually shrinks from top to bottom;

the bottom edge of the second cavity is provided with a flow guide edge, the flow guide edge is provided with a plurality of through holes, and the flow guide edge extends downwards in an inclined mode and extends into the third cavity;

the upper part of the inner cavity of the third cavity is provided with a guide cylinder, the guide cylinder comprises a cylinder body and an arc top cover arranged at the top of the cylinder body, the arc top cover is provided with a plurality of guide holes, and the diameter of the cylinder body of the guide cylinder is smaller than the inner diameter of the third cavity;

an elutriation liquid inlet is formed in the third cavity;

and a material outlet is formed in the fourth cavity.

In one embodiment, the central axis of the guide cylinder and the central axis of the third cavity are coaxial, the bottom edge profile of the guide edge is circular, the central axis of the guide cylinder penetrates through the circle center of the circle, and the diameter of the bottom edge profile of the guide edge is 1.1-1.2 times of the diameter of the cylinder of the guide cylinder.

In one embodiment, the diameter of the flow guide hole on the arc-shaped top cover is 5-10 mm; the aperture of the through hole arranged on the flow guide edge is 5-10 mm.

In one embodiment, an overflow baffle is arranged in a first cavity, the overflow baffle is connected with the bottom of the first cavity, the overflow baffle encloses an overflow cavity which is communicated up and down, the overflow cavity is communicated with an inner cavity of a second cavity, and an annular flow channel is formed between the outer wall of the overflow baffle and the inner wall of the first cavity; the upper edge of the overflow baffle is in a sawtooth shape.

In one embodiment, a material pipeline is arranged on the material inlet, and an outlet of the material pipeline is located in the second cavity.

In one embodiment, a plurality of elutriation liquid inlets arranged at intervals are sequentially arranged on the third cavity from top to bottom.

In one embodiment, the fourth cavity gradually shrinks in inner diameter from top to bottom.

In one embodiment, the lower part of the third cavity is provided with a material outlet.

In one embodiment, the lower edge of the cylinder of the guide shell is provided with a sawtooth shape.

In one embodiment, one or more device flanges are provided on the third cavity, and ear mounts are provided on both sides of the first cavity.

The utility model provides a novel elutriation ware should be equipped with water conservancy diversion limit and draft tube in elutriation ware to play the effect of distributor, make the fluid evenly flow downwards all around along the draft tube, avoid the fluid to walk the short circuit and form the fluid blind spot, do benefit to and improve washing efficiency, thereby obtain stable quality's crystal salt.

Drawings

Fig. 1 is a schematic diagram of an embodiment of the elutriator of the present invention.

Fig. 2 is a schematic view of a draft tube according to an embodiment of the present invention.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1, the utility model provides an elutriator, which is provided with a first cavity 10, a second cavity 20, a third cavity 30 and a fourth cavity 40 which are communicated with each other in sequence from top to bottom; the first cavity 10 is provided with a material inlet 11 and an elutriation liquid outlet 12; the inner diameter of the second cavity 20 gradually shrinks from top to bottom; the bottom edge of the second cavity 20 is provided with a flow guide edge 21, the flow guide edge 21 is provided with a plurality of through holes, and the flow guide edge 21 extends obliquely downwards and extends into the third cavity 30; the upper part of the inner cavity of the third cavity 30 is provided with a guide cylinder 31, the guide cylinder 31 comprises a cylinder body 311 and an arc top cover 312 arranged at the top of the cylinder body 311, the arc top cover 312 is provided with a plurality of guide holes 313, and the diameter of the cylinder body of the guide cylinder 31 is smaller than the inner diameter of the third cavity 30; the third cavity 30 is provided with an elutriation liquid inlet 32; the fourth cavity 40 is provided with a material outlet 41.

The utility model discloses an it is the leg of elutriating that elutriating is preferred, and it utilizes impurity content should be far less than in the material impurity content's the elutriation liquid and wash the material to get rid of impurity, realize elutriating the purpose. In the elutriator of the present invention, fresh elutriation liquid is injected into the elutriator from the elutriation liquid inlet 32 of the third chamber 30, and a material to be elutriated (for example, a magma) is injected into the elutriator from the material inlet 11 of the first chamber 10. In the elutriator, the elutriation liquid washes the material, takes away the impurity that is mingled with in the material to improve the purity of material, the material can sink because of self weight simultaneously, can finally gather the material that the impurity level reduces from material outlet 41, and the elutriation liquid of smuggleing secretly impurity is discharged from elutriation liquid discharge port 12 on first cavity 10.

In one embodiment, the guide shell 31 is located below the guide edge 21 and adjacent to the guide edge 21. The central axis of the guide cylinder 31 is coaxial with the central axis of the third cavity 30, the bottom edge profile of the guide edge 21 is circular, the central axis of the guide cylinder 31 passes through the circle center of the circle, and the diameter of the bottom edge profile of the guide edge 21 is 1.1-1.2 times of the diameter of the cylinder of the guide cylinder 31. The material flows downwards after entering the elutriator from the material inlet 11, and the flow guide edge 21 is beneficial to guiding the material to uniformly flow downwards along the periphery of the flow guide cylinder 31, so that a fluid dead zone caused by fluid short circuit is avoided. Meanwhile, the flow guide edge 21 is provided with a through hole through which liquid can flow in a convection manner, so that a fluid dead zone is prevented from being formed in a part sandwiched by the flow guide edge 21 and the third cavity 30, and the quality stability of the product salt is facilitated.

Preferably, the aperture size of the through hole on the flow guide edge 21 is 5-10 mm.

Since the arc top cover 312 of the guide shell 31 is provided with a plurality of guide holes 313, the liquid can flow through the guide holes 313. Fresh elutriation liquid enters the elutriator from the elutriation liquid inlet 32 and overflows upwards, and is discharged from the elutriation liquid discharge port 12, part of the material particles can be entrained in the elutriation liquid during the upward flow, and when the material particles meet the arc-shaped top cover 312 of the guide shell 31, the material particles are blocked and move downwards under the action of self gravity, and the fluid part can pass through the guide hole 313.

Preferably, the aperture size of the diversion hole 313 on the arc top cover 312 is 5-10 mm.

Preferably, the lower edge of the cylinder 311 of the guide cylinder 31 is arranged in a zigzag shape, so that the liquid resistance at the edge of the guide cylinder can be reduced.

In one embodiment, an overflow baffle 13 is arranged in the first cavity 10, the overflow baffle 13 is connected with the bottom of the first cavity 10, the overflow baffle 13 encloses an overflow cavity which is communicated with the inner cavity of the second cavity 20, and an annular channel is formed between the outer wall of the overflow baffle 13 and the inner wall of the first cavity 10. The upper edge of the overflow baffle 13 is serrated, and the gaps between the serrations of the overflow baffle 13 control the overflow flow rate of the elutriation liquid so that the elutriation liquid can flow into the circulation passage at a smooth rate.

In one embodiment, a material pipe is provided on the material inlet 11, and an outlet of the material pipe is located in the second cavity 20.

In one embodiment, the third chamber 30 is provided with a plurality of spaced elutriation liquid inlets 32 from top to bottom. Optionally, the fourth chamber 40 is also provided with an elutriation liquid inlet 32. The plurality of elutriation liquid inlets 32 can enhance the elutriation efficiency.

Preferably, the lower portion of the third chamber 30 is provided with a plurality of material outlets 41 spaced from top to bottom. Depending on the weight and shape of the material, the material is distributed in layers during elutriation, so that different quality material can be obtained from different material outlets 41.

Preferably, the fourth chamber 40 is of a shape that gradually tapers from top to bottom, and at least the bottom of the fourth chamber 40 is provided with a material outlet 41, which on the one hand can be used to obtain the drained material and on the other hand can facilitate the draining of the washing water when the elutriator needs to be cleaned.

Preferably, the elutriation liquid inlet 32 and/or the material outlet 41 may be provided with a valve for opening or closing the elutriation liquid inlet 32 and/or the material outlet 41 and adjusting the flow rate according to the degree of closing of the valve.

Preferably, one or more equipment flanges 33 are provided on the third cavity 30 to facilitate equipment servicing and internal cleaning.

Preferably, the first chamber 10 is provided at both sides with ear seats 14 for fixing the device. A viewing mirror 34 is further provided on the third chamber 30 to facilitate observation of the inside of the elutriator, and a temperature measuring port 35 for measuring the inside temperature of the elutriator.

Claims (10)

1. The elutriator is characterized in that a first cavity, a second cavity, a third cavity and a fourth cavity which are communicated with each other are sequentially arranged from top to bottom;

the first cavity is provided with a material inlet and an elutriation liquid outlet;

the inner diameter of the second cavity gradually shrinks from top to bottom;

The bottom edge of the second cavity is provided with a flow guide edge, the flow guide edge is provided with a plurality of through holes, and the flow guide edge extends downwards in an inclined mode and extends into the third cavity;

the upper part of the inner cavity of the third cavity is provided with a guide cylinder, the guide cylinder comprises a cylinder body and an arc top cover arranged at the top of the cylinder body, the arc top cover is provided with a plurality of guide holes, and the diameter of the cylinder body of the guide cylinder is smaller than the inner diameter of the third cavity;

an elutriation liquid inlet is formed in the third cavity;

and a material outlet is formed in the fourth cavity.

2. The elutriator as claimed in claim 1, wherein the central axis of the guide shell and the central axis of the third cavity are coaxial, the bottom edge of the guide shell has a circular profile, the central axis of the guide shell passes through the center of the circular profile, and the diameter of the bottom edge of the guide shell is 1.1 to 1.2 times the diameter of the cylinder of the guide shell.

3. The elutriator as claimed in claim 2, wherein the diameter of the flow guide holes in the arc-shaped top cover is 5-10 mm; the aperture of the through hole arranged on the flow guide edge is 5-10 mm.

4. The elutriator as claimed in claim 3, wherein an overflow baffle is arranged in the first cavity, the overflow baffle is connected with the bottom of the first cavity, the overflow baffle encloses an overflow cavity which is communicated with the inner cavity of the second cavity, and an annular flow passage is formed between the outer wall of the overflow baffle and the inner wall of the first cavity; the upper edge of the overflow baffle is in a sawtooth shape.

5. The elutriator in accordance with claim 4, wherein a material pipe is provided at said material inlet, and an outlet of said material pipe is located in said second chamber.

6. The elutriator in accordance with claim 5, wherein said third chamber has a plurality of spaced elutriation liquid inlets in sequence from top to bottom.

7. The elutriator in accordance with claim 6, wherein said fourth chamber is tapered from top to bottom in inside diameter.

8. The elutriator in accordance with claim 7 wherein a material outlet is provided in a lower portion of said third chamber.

9. The elutriator in accordance with claim 8, wherein the lower edge of the cylinder of the guide shell is serrated.

10. The elutriator in accordance with claim 9 wherein said third chamber has one or more device flanges and said first chamber has ear mounts on each side.

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