Aluminum fluoride particle size distribution control equipment

Abstract

The utility model belongs to the technical field of aluminum fluoride production, and particularly relates to aluminum fluoride particle size distribution control equipment which comprises a reaction kettle and a cooling structure, the reaction kettle comprises an inner layer and an outer layer, the inner layer is fixedly arranged in the outer layer, protruding parts distributed at equal intervals are arranged on the side wall of the inner layer from top to bottom, and the cooling structure is arranged on the inner layer. A concave part is arranged between every two adjacent protruding parts, a cooling structure is arranged on the outer wall of the outer layer, supporting columns distributed at equal intervals are fixedly connected to the bottom end of the outer layer, a stirring structure used for stirring is arranged in the inner layer, a baffle ring is arranged in the middle of each concave part, and the outer wall of each baffle ring is fixedly connected with the inner wall of the outer layer. According to the utility model, the cooling liquid is introduced into the outer layer through the cooling structure to cool the reaction solution, and the inner layer is provided with the plurality of concave parts, so that the area of the inner wall of the inner layer is increased, the contact area of the reaction solution and the inner layer can be increased, and the cooling effect of the solution is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to aluminium fluoride production technical field, concretely relates to a kind of aluminium fluoride particle size distribution control equipment. BACKGROUND

[0002] Aluminium fluoride is a white powder state compound, aluminium fluoride is a strong acid strong base salt, with good chemical stability and high temperature resistance, the preparation method of aluminium fluoride is usually by fluoride and aluminium salt reaction, for example, sodium fluoride and aluminium salt reaction can obtain aluminium fluoride, in reaction, many factors can influence the particle size of aluminium fluoride generation, wherein the biggest influencing factor is the temperature in reaction.

[0003] Generally used particle size control device is by the cooling of reaction kettle to absorb the heat generated by reaction, to improve the size of particle size, and reaction kettle is generally straight cylinder structure, when cooling, the heat in the middle of reaction kettle is difficult to dissipate, cause reaction kettle temperature uneven, influence aluminium fluoride particle size control effect. INNOVATION CONTENT

[0004] The utility model discloses a kind of aluminium fluoride particle size distribution control equipment, it can improve the contact area of reaction solution with inner layer, to improve the cooling effect of solution, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of aluminium fluoride particle size distribution control equipment, including reaction kettle and cooling structure, the reaction kettle includes inner layer and outer layer, the inner layer is fixedly arranged in the inside of outer layer, the side wall of the inner layer is provided with the protruding portion of equidistant distribution from top to bottom, it is recessed between adjacent two protruding portion, the outer wall of the outer layer is provided with cooling structure, the bottom end of the outer layer is fixedly connected with the support column of equidistant distribution, the inside of the inner layer is provided with the stirring structure for stirring.

[0006] Further, the middle part of the recessed portion is provided with a retaining ring, the outer wall of the retaining ring is fixedly connected with the inner wall of the outer layer, and the surface of the retaining ring is provided with a notch.

[0007] Further, the bottom end of the inner layer is fixedly connected with a discharge pipe, the discharge pipe penetrates the bottom end of the outer layer, and the bottom of the discharge pipe is provided with an electromagnetic valve.

[0008] Further, the cooling structure includes a water cooling pipe, the side wall of the water cooling pipe is fixedly connected with equidistantly distributed water inlet pipes, the plurality of water inlet pipes all penetrate the side wall of the inner layer, and the plurality of water inlet pipes are respectively arranged corresponding to the plurality of recessed portions, and the bottom end of the outer layer is fixedly connected with a drain pipe.

[0009] Further, the top end of the inner layer is fixedly connected with a top plate, the stirring structure comprises a rotating shaft rotatably connected to the middle part of the top plate, the side wall of the rotating shaft is fixedly connected with a plurality of pairs of stirring blades arranged in pairs, a plurality of pairs of the stirring blades are arranged in the plurality of inner recesses respectively, the top end of the top plate is fixedly connected with a servo motor, and the output shaft of the servo motor is fixedly connected with the top end of the rotating shaft.

[0010] Further, the stirring blade is a rhombic structure, and the surface of the stirring blade is provided with uniformly distributed through holes.

[0011] Further, the top end of the top plate is symmetrically provided with a liquid inlet structure, the liquid inlet structure comprises a liquid inlet pipe fixedly connected to the top end of the top plate, and the bottom of the liquid inlet pipe is provided with a flow meter.

[0012] Compared with the prior art, the beneficial effects of the utility model are that: the cooling structure is used for passing cooling liquid into the inner layer of the outer layer to cool the reaction solution, the inner layer is provided with a plurality of inner recesses, the area of the inner wall of the inner layer is increased, the contact area between the reaction solution and the inner layer is increased, and the cooling effect of the solution is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is a front view of the utility model;

[0015] Figure 3 It is an internal structure schematic view of the reaction kettle of the utility model.

[0016] In the drawings, the components represented by each reference numeral are listed as follows:

[0017] 1, reaction kettle; 11, inner layer; 12, outer layer; 13, protruding part; 14, inner recess; 15, baffle ring; 16, notch; 17, discharge pipe; 18, electromagnetic valve; 19, top plate; 2, cooling structure; 21, water cooling pipe; 22, water inlet pipe; 3, support column; 4, drain pipe; 5, stirring structure; 51, rotating shaft; 52, servo motor; 53, stirring blade; 6, liquid inlet structure; 61, liquid inlet pipe; 62, flow meter. DETAILED DESCRIPTION

[0018] In order to make the purpose and advantages of the utility model more clear and obvious, the utility model is specifically described below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the protection scope of the utility model.

[0019] For example, Figures 1-3As shown in the figure, a kind of aluminium fluoride particle size distribution control equipment, including reaction kettle 1 and cooling structure 2, reaction kettle 1 includes inner layer 11 and outer layer 12, inner layer 11 is fixedly arranged in the inside of outer layer 12, the side wall of inner layer 11 is provided with equidistant distribution protruding portion 13 from top to bottom, the inner recess 14 between adjacent two protruding portions 13, the outer wall of outer layer 12 is provided with cooling structure 2, the bottom end of outer layer 12 is fixedly connected with equidistant distribution support column 3, the inside of inner layer 11 is provided with stirring structure 5 for stirring, the middle part of inner recess 14 is provided with baffle ring 15, the outer wall of baffle ring 15 is fixedly connected with the inner wall of outer layer 12, the surface of baffle ring 15 is provided with notch 16, the bottom end of inner layer 11 is fixedly connected with discharge pipe 17, discharge pipe 17 penetrates the bottom end of outer layer 12, the bottom of discharge pipe 17 is provided with electromagnetic valve 18.

[0020] According to the above structure, when preparing aluminium fluoride, fluoride and aluminium salt solution are introduced into the inside of inner layer 11 to react, stirring structure 5 is used for stirring during reaction, cooling liquid is introduced into the inside of outer layer 12 by cooling structure 2 to cool the reaction solution during reaction, so as to improve the particle size of aluminium fluoride generated by reaction, since inner layer 11 is provided with several inner recesses 14, the area of inner wall of inner layer 11 is improved, the contact area of reaction solution with inner layer 11 can be improved, so as to improve the cooling effect of solution, the remaining liquid and aluminium fluoride are discharged through discharge pipe 17 after reaction is completed.

[0021] As shown in the figure, Figure 2 and 3 cooling structure 2 includes water cooling pipe 21, the side wall of water cooling pipe 21 is fixedly connected with equidistant distribution water inlet pipe 22, several water inlet pipes 22 all penetrate the side wall of inner layer 11, and several water inlet pipes 22 are correspondingly arranged with several inner recesses 14, respectively, the bottom end of outer layer 12 is fixedly connected with drain pipe 4.

[0022] According to the above structure, cooling liquid is introduced into the inside of water cooling pipe 21 during reaction, the cooling liquid is injected into the inside of inner recess 14 through water inlet pipe 22, so as to cool the reaction solution, the cooling liquid in the inside of inner recess 14 flows downward through notch 16, and finally flows out from drain pipe 4, the cooling liquid forms flow circulation in the inside of outer layer 12, so as to improve the cooling effect.

[0023] As shown in the figure, Figure 3 the top end of inner layer 11 is fixedly connected with top plate 19, stirring structure 5 includes rotating shaft 51 rotatingly connected in the middle part of top plate 19, the side wall of rotating shaft 51 is fixedly connected with several pairs of stirring blades 53 arranged oppositely, several pairs of stirring blades 53 are arranged in the inside of several inner recesses 14, respectively, the top end of top plate 19 is fixedly connected with servo motor 52, the output shaft of servo motor 52 is fixedly connected with the top end of rotating shaft 51, stirring blade 53 is rhombic structure, the surface of stirring blade 53 is provided with uniformly distributed through holes.

[0024] According to the above structure, when the reaction is carried out, the rotating shaft 51 is driven to rotate by the servo motor 52, the stirring blade 53 is driven to rotate by the rotating shaft 51, after the stirring blade 53 rotates, not only the stirring effect on the solution can be achieved to improve the reaction rate, but also the generated aluminum fluoride can be swept from the bottom of the inner wall of the inner recess 14 to the bottom of the inner layer 11, which is convenient for discharging the aluminum fluoride.

[0025] As shown in Figure 3 The top end of the top plate 19 is symmetrically provided with a liquid inlet structure 6, the liquid inlet structure 6 includes a liquid inlet pipe 61 fixedly communicated at the top end of the top plate 19, and the bottom of the liquid inlet pipe 61 is provided with a flow meter 62.

[0026] According to the above structure, when in use, the fluoride solution is injected into the inside of the inner layer 11 through one of the liquid inlet pipes 61, the aluminum salt solution is injected into the inside of the inner layer 11 through the other liquid inlet pipe 61, the two solutions are respectively introduced into the inside of the inner layer 11 through the two liquid inlet pipes 61, the reaction of the solutions in the inside of the liquid inlet pipe 61 is avoided, the generated product is prevented from adhering to the wall of the liquid inlet pipe 61, and the flow meter 62 can measure the volume of the solution in the inside of the inner layer 11.

[0027] The working principle of the utility model is as follows: the fluoride solution is injected into the inside of the inner layer 11 through one of the liquid inlet pipes 61, the aluminum salt solution is injected into the inside of the inner layer 11 through the other liquid inlet pipe 61, the two solutions are respectively introduced into the inside of the inner layer 11 through the two liquid inlet pipes 61, the reaction of the solutions in the inside of the liquid inlet pipe 61 is avoided, the generated product is prevented from adhering to the wall of the liquid inlet pipe 61, and the flow meter 62 can measure the volume of the solution in the inside of the inner layer 11.

[0028] The above are only preferred embodiments of the present application, and it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, unless otherwise specified and limited.

Claims

1. A device for controlling the particle size distribution of aluminum fluoride, comprising a reaction vessel (1) and a cooling structure (2), characterized in that: The reaction kettle (1) comprises an inner layer (11) and an outer layer (12), the inner layer (11) is fixedly arranged in the inner layer (12), the side wall of the inner layer (11) is provided with protruding parts (13) distributed at equal intervals from top to bottom, and the inner layer (11) is provided with recessed parts (14) between adjacent two protruding parts (13), the outer wall of the outer layer (12) is provided with a cooling structure (2), the bottom end of the outer layer (12) is fixedly connected with support columns (3) distributed at equal intervals, and the inner layer (11) is provided with a stirring structure (5) for stirring.

2. The apparatus for controlling the particle size distribution of aluminum fluoride according to claim 1, characterized by: The middle part of the recessed part (14) is provided with a retaining ring (15), the outer wall of the retaining ring (15) is fixedly connected with the inner wall of the outer layer (12), and the surface of the retaining ring (15) is provided with a notch (16).

3. An apparatus for controlling the particle size distribution of aluminum fluoride according to claim 2, characterized by: The bottom end of the inner layer (11) is fixedly connected with a discharge pipe (17), the discharge pipe (17) penetrates the bottom end of the outer layer (12), and the bottom of the discharge pipe (17) is provided with an electromagnetic valve (18).

4. The apparatus for controlling the particle size distribution of aluminum fluoride according to claim 3, characterized by: The cooling structure (2) comprises a water cooling pipe (21), the side wall of the water cooling pipe (21) is fixedly connected with water inlet pipes (22) distributed at equal intervals, the water inlet pipes (22) penetrate the side wall of the inner layer (11), and the water inlet pipes (22) are correspondingly arranged in the recessed parts (14).

5. An apparatus for controlling the particle size distribution of aluminum fluoride according to claim 4, characterized by: The top end of the inner layer (11) is fixedly connected with a top plate (19), the stirring structure (5) comprises a rotating shaft (51) rotatably connected to the middle part of the top plate (19), the side wall of the rotating shaft (51) is fixedly connected with a plurality of pairs of stirring blades (53), the stirring blades (53) are arranged in the recessed parts (14), the top end of the top plate (19) is fixedly connected with a servo motor (52), and the output shaft of the servo motor (52) is fixedly connected with the top end of the rotating shaft (51).

6. An apparatus for controlling the particle size distribution of aluminum fluoride according to claim 5, characterized by: The stirring blade (53) is a rhombus structure, and the surface of the stirring blade (53) is provided with uniformly distributed through holes.

7. An apparatus for controlling the particle size distribution of aluminum fluoride according to claim 6, characterized by: The top end of the top plate (19) is symmetrically provided with a liquid inlet structure (6), the liquid inlet structure (6) comprises a liquid inlet pipe (61) fixedly connected to the top end of the top plate (19), and the bottom of the liquid inlet pipe (61) is provided with a flow meter (62).

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