CN209790917U

CN209790917U - Crystal growing device for aluminum fluoride crystallization

Info

Publication number: CN209790917U
Application number: CN201920046288.4U
Authority: CN
Inventors: 菅玉航; 罗红雷
Original assignee: Polyfluoro Kunming Technology Development Co Ltd
Current assignee: Polyfluoro Kunming Technology Development Co Ltd
Priority date: 2019-01-11
Filing date: 2019-01-11
Publication date: 2019-12-17
Anticipated expiration: 2029-01-11

Abstract

The utility model relates to an aluminium fluoride production facility technical field, concretely relates to aluminium fluoride crystallization is with growing brilliant device. The specific technical scheme is as follows: the utility model provides an aluminium fluoride crystallization is with growing crystal device, includes silo and the top cap of setting at the silo top, the vertical rabbling mechanism that is provided with in the silo, the rabbling mechanism includes fixed disk and the fixed axle of setting at fixed disk top intermediate position, the bottom of fixed disk is equipped with a plurality of baffle, a plurality of the baffle with the axis of fixed axle will as the center the fixed disk partition, adjacent two the baffle with the inner wall of silo encloses into a growing crystal groove, every grow crystal inslot respectively vertical being provided with run through the (mixing) shaft of fixed disk, be equipped with a plurality of blade on the (mixing) shaft, stretch out the fixed disk be fixed with the sheave on the (mixing) shaft. The utility model provides an among the prior art aluminium fluoride crystallization time long, the inefficiency and be not convenient for clear up the problem of the deposit material of growing in the brilliant groove.

Description

Crystal growing device for aluminum fluoride crystallization

Technical Field

The utility model relates to an aluminium fluoride production facility technical field, concretely relates to aluminium fluoride crystallization is with growing brilliant device.

background

Anhydrous aluminum fluoride, white triclinic crystal or powder, relative density 2.882(25 ℃), insoluble in water, acid and alkali solution, insoluble in most organic solvents, and insoluble in hydrofluoric acid and liquid hydrogen fluoride; the liquid ammonia and concentrated sulfuric acid are heated to fuming, do not react, are eutectic with potassium hydroxide, are not reduced by hydrogen, and are not decomposed by heating; but sublimed at 1291 ℃. Can be partially hydrolyzed into hydrogen fluoride and aluminum oxide by water vapor at 300-400 ℃.

In the production process of aluminum fluoride, when aluminum fluoride slurry is crystallized in a crystal growing tank, the solid content in the aluminum fluoride slurry is increased by adopting a natural sedimentation concentration method, and the temperature in the crystal growing tank is controlled to be between 80 and 100 ℃, so that the filtering efficiency is improved, and the lower water content of filtered materials is ensured.

Disclosure of Invention

Not enough to prior art, the utility model provides an aluminium fluoride crystallization is with growing brilliant device has solved among the prior art long, the inefficiency of aluminium fluoride crystallization time and the problem of the deposit material of being not convenient for clear up growing the brilliant inslot.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

The utility model provides an aluminium fluoride crystallization is with growing brilliant device, includes silo and the top cap of setting at the silo top, the vertical rabbling mechanism that is provided with in the silo, the rabbling mechanism includes fixed disk and sets up the fixed axle at fixed disk top intermediate position, the bottom of fixed disk is equipped with a plurality of baffle, a plurality of the baffle with the axis of fixed axle will as the center the fixed disk partition, adjacent two the baffle with the inner wall of silo encloses into one and grows brilliant groove, every grow brilliant inslot vertical being provided with respectively and run through the (mixing) shaft of fixed disk, be equipped with a plurality of blade on the (mixing) shaft, stretch out the fixed disk be fixed with the sheave on the (mixing) shaft, one of them the sheave is connected with the motor through the drive belt, and this sheave still connects adjacent sheave through the belt, all the other a plurality of the.

Preferably, the other end of the fixed shaft penetrates through the top cover and is connected with a cylinder.

Preferably, the crystal growing tank is fan-shaped.

Preferably, the fixed disk is provided with a plurality of through holes, filter screens are arranged in the through holes, and the filter screens are positioned on the middle upper parts of the through holes.

Preferably, a plurality of air outlet holes are formed in the top cover.

Preferably, the side wall of the trough is a cavity, and an electric heating wire is wound around the trough in the cavity.

Preferably, the top lateral wall of silo is equipped with the inlet pipe, be equipped with the valve on the inlet pipe.

Preferably, the bottom of silo is the infundibulate, the bottom of silo is equipped with the discharging pipe, be equipped with the valve on the discharging pipe equally.

preferably, the shape of the bottom of the partition plate is matched with the shape of the bottom of the trough.

Preferably, the diameter of the fixed disk is matched with the inner diameter of the material groove, so that the fixed disk is just placed in the material groove; the side surface of the partition plate and the end surface of the fixed disc are in the same plane.

The utility model discloses possess following beneficial effect:

The utility model arranges the stirring mechanism in the trough, arranges the side wall of the trough into a cavity, winds the heating wire in the cavity, and performs crystallization work on the aluminum fluoride slurry under the dual functions of heating and stirring; and the rabbling mechanism is fixed disk and sets up a plurality of baffle in the fixed disk bottom, and the baffle divides the fixed disk partition, and two adjacent baffles enclose into a growing crystal groove with the inner wall of silo, and set up (mixing) shaft and blade in every growing crystal inslot, rotates through the (mixing) shaft of motor drive every growing crystal inslot, separately evaporates the crystallization with the aluminium fluoride ground paste to accelerate the speed that moisture distributes in the ground paste. Moreover, after the crystallization is accomplished, the side and the bottom terminal surface homoenergetic of baffle strike off the aluminium fluoride crystal of adhesion at silo lateral wall and bottom to fine solution aluminium fluoride crystallization time long, the inefficiency and be not convenient for clear up the problem of the deposit material of growing in the brilliant groove.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a bottom view of the agitation mechanism;

FIG. 3 is a top view of the stirring mechanism;

In the figure: the device comprises a trough 1, a top cover 2, a fixed disk 3, a fixed shaft 4, a partition plate 5, a stirring shaft 6, blades 7, a grooved wheel 8, a belt 9, a motor 10, a cylinder 11, a through hole 12, a filter screen 13, an air outlet 14, a cavity 15, an electric heating wire 16, a feeding pipe 17, a valve 18, a discharging pipe 19, a temperature sensor 20 and a transmission belt 21.

Detailed Description

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model discloses a crystal growing device for aluminum fluoride crystallization, which comprises a trough 1 and a top cover 2 arranged on the top of the trough 1, wherein the top cover 2 and the trough 1 are detachably connected; a stirring mechanism is vertically arranged in the trough 1, the stirring mechanism comprises a fixed disc 3 and a fixed shaft 4 arranged in the middle of the top of the fixed disc 3, the other end of the fixed shaft 4 penetrates through the top cover 2 and is connected with a cylinder 11, and the cylinder 11 is a telescopic rotary cylinder to realize the up-and-down and rotary motion of the fixed shaft 4; the bottom of fixed disk 3 is fixed with a plurality of baffle 5, a plurality of baffle 5 uses the axis of fixed axle 4 to divide fixed disk 3 equally as the center, two adjacent baffles 5 enclose into a brilliant groove with the inner wall of silo 1, it is fan-shaped to grow brilliant groove, every is grown brilliant inslot and is vertically provided with the (mixing) shaft 6 that runs through fixed disk 3 respectively, be equipped with a plurality of blade 7 on the (mixing) shaft 6, be fixed with sheave 8 on stretching out the (mixing) shaft 6 of fixed disk 3, one of them sheave 8 is connected with motor 10 through drive belt 21, this sheave 8 still connects adjacent sheave 8 through belt 9, all the other a plurality of sheave 8 are connected in order through belt 9. It should be noted that: the number of the partition plates 5 is preferably 6, the partition plates can be fixed at the bottom of the fixed disk 3 in a bonding mode, the fixed disk 3 is divided into 6 equal parts by the 6 partition plates 5, two adjacent partition plates 5 and the inner wall of the material tank 1 enclose a crystal growing tank, and 6 crystal growing tanks are counted; be equipped with sheave 8 on every (mixing) shaft 6 of growing in the brilliant inslot respectively, sheave 8 can be double sheave, also can be the multiple sheave, select according to actual need can, total 6 sheave 8, 6 sheave pass through belt 9 and connect in order, but the end to end is not connected, and connect motor 10 on this two sheave 8 that do not connect, it only needs starter motor 10 to have realized, the sheave 8 that the drive is connected with motor 10 rotates, and make other 5 sheave 8 also rotate in succession through the transmission of belt 9, finally make all stirring 6 rotate, stirring shaft 6 accessible bearing is connected with fixed disk 3.

The fixed disc 3 is provided with a plurality of through holes 12, a filter screen 13 is arranged in the through holes 12, and the filter screen 13 is positioned at the middle upper part of the through holes 12. It should be noted that: the filter screen 13 has a certain thickness, and the thickness of the filter screen is less than half of the height of the through holes 12, so that when the aluminum fluoride slurry is subjected to evaporative crystallization, generated hot gas can overflow through the through holes 12, and the aluminum fluoride slurry cannot overflow through the through holes 12; meanwhile, a plurality of air outlet holes 14 are required to be formed in the top cover 2, so that hot air in the material groove 1 can be conveniently discharged. In order to heat the aluminum fluoride slurry in the trough 1, the side wall of the trough 1 is provided with a cavity 15, an electric heating wire 16 is wound around the trough 1 in the cavity 15, and the aluminum fluoride slurry in the trough 1 is subjected to evaporative crystallization through the electric heating wire 16; in order to avoid the decomposition of the crystallized aluminum fluoride caused by the overhigh temperature in the trough 1, a temperature sensor 20 can be inserted into the top cover 2 so as to monitor the temperature in the trough 1 at any time, and when the temperature in the trough 1 reaches a critical value, the electric heating wire 16 can be powered off to stop heating the trough 1.

The side wall of the top of the material groove 1 is provided with a material inlet pipe 17, and the material inlet pipe 17 is provided with a valve 18. The bottom of the material groove 1 is funnel-shaped, so that the crystallized aluminum fluoride can be discharged conveniently; the bottom of the material tank 1 is provided with a material outlet pipe 19, and the material outlet pipe 19 is also provided with a valve 18. The shape of the bottom of the partition plate 5 is matched with the shape of the bottom of the trough 1. The diameter of the fixed disk 3 is matched with the inner diameter of the material tank 1, so that the fixed disk 3 is just placed into the material tank 1; the side surface of the partition plate 5 and the end surface of the fixed disc 3 are in the same plane. It should be noted that: when the aluminum fluoride slurry is evaporated and crystallized, only the motor 10 needs to be started to drive the stirring shaft 6 to rotate, so that the evaporation of water in the aluminum fluoride slurry is accelerated, and the crystallization speed is accelerated; the partition plate 5 and the fixed shaft 4 fixed with the partition plate 5 are static, only after the crystallization of the aluminum fluoride slurry is finished, the air cylinder 11 is started to perform telescopic motion, the whole stirring mechanism is lifted, the valve 18 on the discharge pipe 19 is opened, the aluminum fluoride crystals are discharged, and the whole stirring mechanism is put down after the aluminum fluoride crystals are discharged; the cylinder 11 is started to rotate, and the end face of the fixed disk 3 and the side face of the partition plate 5 are attached to the inner wall of the trough 1, so that aluminum fluoride crystals adhered to the side wall of the trough 1 can be scraped off in the process that the fixed disk 3 and the partition plate 5 are driven to rotate by the fixed shaft 4; and the shape of the bottom of the partition plate 5 is matched with the shape of the bottom of the trough 1, and the aluminum fluoride crystal deposited/adhered on the bottom of the trough 1 is scraped, and after scraping is finished, the cylinder 11 is started to move up and down to lift the whole stirring mechanism, so that the final aluminum fluoride crystal is discharged.

When the utility model is used, the top cover 2 and the stirring mechanism are placed outside the trough 1, aluminum fluoride slurry can be added into the trough 1 through the feeding pipe 17 or from the top of the trough 1, the depth of the added slurry is less than the height of the partition plate 5, and the slurry is prevented from overflowing from the through hole 12; after the slurry is added, the heating wire 16 is started to heat the slurry, the stirring device and the top cover 2 are placed at the same time, the motor 10 is started, the motor 10 drives all stirring shafts 6 in the crystal growing tank to rotate, so that the blades 7 are driven to stir the slurry, the stirring speed of the stirring shafts 6 is not too high, the slurry is stirred slowly, and under the double effects of heating and stirring, the moisture in the slurry is evaporated quickly; the temperature sensor 20 monitors the temperature in the trough 1, thereby determining the on/off of the heating wire 16. After the crystallization of the aluminum fluoride slurry is finished, the motor 10 is turned off, the air cylinder 11 is started to move up and down, the valve 18 on the discharge pipe 19 is opened after the whole stirring mechanism is lifted, aluminum fluoride crystals are discharged, and the whole stirring mechanism is put down after the aluminum fluoride crystals are discharged; starting cylinder 11 and carrying out rotary motion, make baffle 5 scrape down the aluminium fluoride crystal of silo 1 lateral wall and bottom adhesion, after scraping off and finishing, start cylinder 11 up-and-down motion mentions whole rabbling mechanism, makes last aluminium fluoride crystal discharge to the completion is to the crystallization process of aluminium fluoride ground paste.

in the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides an aluminium fluoride crystallization is with growing crystal device, includes silo (1) and top cap (2) of setting at silo (1) top, its characterized in that: the stirring device is characterized in that a stirring mechanism is vertically arranged in the trough (1), the stirring mechanism comprises a fixed disk (3) and a fixed shaft (4) arranged at the middle position of the top of the fixed disk (3), the bottom of the fixed disk (3) is provided with a plurality of partition plates (5), the partition plates (5) take the axis of the fixed shaft (4) as the center to divide the fixed disk (3) into equal parts, every two adjacent partition plates (5) and the inner wall of the trough (1) enclose a crystal growing groove, a stirring shaft (6) penetrating through the fixed disk (3) is vertically arranged in each crystal growing groove, a plurality of blades (7) are arranged on the stirring shaft (6), grooved wheels (8) are fixed on the stirring shaft (6) extending out of the fixed disk (3), one grooved wheel (8) is connected with a motor (10) through a driving belt (21), and the grooved wheel (8) is also connected with the adjacent grooved wheel (8) through a belt (9, the other grooved wheels (8) are connected in sequence through a belt (9).

2. The crystal growth device for aluminum fluoride crystallization according to claim 1, wherein: the other end of the fixed shaft (4) penetrates through the top cover (2) and is connected with a cylinder (11).

3. the crystal growth device for aluminum fluoride crystallization according to claim 1, wherein: the crystal growing tank is fan-shaped.

4. The crystal growth device for aluminum fluoride crystallization according to claim 1, wherein: the fixed disc (3) is provided with a plurality of through holes (12), a filter screen (13) is arranged in the through holes (12), and the filter screen (13) is positioned on the middle upper part of the through holes (12).

5. The crystal growth device for aluminum fluoride crystallization according to claim 1, wherein: the top cover (2) is provided with a plurality of air outlet holes (14).

6. The crystal growth device for aluminum fluoride crystallization according to claim 1, wherein: the side wall of the trough (1) is a cavity (15), and an electric heating wire (16) is wound around the trough (1) in the cavity (15).

7. The crystal growth device for aluminum fluoride crystallization according to claim 1, wherein: be equipped with inlet pipe (17) on the top lateral wall of silo (1), be equipped with valve (18) on inlet pipe (17).

8. The crystal growth device for aluminum fluoride crystallization according to claim 7, wherein: the bottom of silo (1) is the infundibulate, the bottom of silo (1) is equipped with discharging pipe (19), be equipped with valve (18) on discharging pipe (19) equally.

9. The crystal growth device for aluminum fluoride crystallization according to claim 1, wherein: the shape of the bottom of the partition plate (5) is matched with that of the bottom of the trough (1).

10. The crystal growth device for aluminum fluoride crystallization according to claim 1, wherein: the diameter of the fixed disk (3) is matched with the inner diameter of the material tank (1), so that the fixed disk (3) is just placed into the material tank (1); the side surface of the partition plate (5) and the end surface of the fixed disc (3) are in the same plane.