CN220418003U - Stirring mechanism for calcium fluoride production and treatment - Google Patents

Abstract

The utility model discloses a stirring mechanism for calcium fluoride production and treatment, which comprises an outer cylinder, a hot air supply device, an air pipe and a cyclone separator. According to the utility model, calcium fluoride powder is fed into the outer cylinder through the feed hopper after flotation, the servo motor rotates to drive the auger blade to rotate, the powder is driven to move through the auger blade, the servo motor rotates forwards and overturns, the powder is driven to move left and right along the inner side wall of the outer cylinder in the moving process, the powder is continuously rolled over in the moving process, the hot air is fed into the outer cylinder by the hot air supply device, so that the powder is diffused in the outer cylinder by the air, the powder is heated by the electric heating rod and the electric heating layer, the left side and the right side of the outer cylinder are low and high by adjusting the heights of the left bracket and the right bracket, the device is used as a material lifting device, the defect that in the prior art, the calcium fluoride powder is required to be transferred to a ball pressing process after being stirred and dried is overcome, and the production efficiency is greatly improved.

Description

Stirring mechanism for calcium fluoride production and treatment

Technical Field

The utility model relates to the technical field of calcium fluoride production, in particular to a stirring mechanism for calcium fluoride production treatment.

Background

The calcium fluoride powder is a fluxing agent and a slag discharging agent for steelmaking, has the effect of reducing the melting point of refractory substances, is a main raw material for preparing hydrofluoric acid in the industry, is mainly produced by screening, adopts a flotation method, adopts a production process flow mainly comprising crushing, flotation, drying, ball pressing, re-drying and other series of operations, generally adopts stirring equipment with a heating function for drying the calcium fluoride powder, and is processed in a stirring and drying mode, and the stirring purpose is to disperse the powder so that the powder drying speed is higher;

however, at present, the common stirring and drying equipment for producing the calcium fluoride powder does not have the feeding function, needs to be transferred and transported through other power, reduces the whole production efficiency, and needs to be optimized and improved for the stirring and drying equipment for producing the calcium fluoride powder.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a stirring mechanism for calcium fluoride production and treatment.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the stirring mechanism for calcium fluoride production and treatment comprises an outer cylinder, a hot air supply device, an air pipe and a cyclone separator; the automatic feeding device is characterized in that the lower wall of the outer cylinder is provided with an adjusting structure with adjustable height, the upper wall of the outer cylinder is provided with a feeding hopper for feeding calcium fluoride powder near the left end, the outer wall of the outer cylinder is provided with an exhaust port and a discharge port near the right end, the exhaust port and the discharge port are located the upper wall and the lower wall of the outer cylinder relatively from top to bottom, the inner side wall of the outer cylinder is provided with an inner liner layer, an external heating structure for heating from the outside is arranged between the inner liner layer and the outer cylinder, the left end cover and the right end cover are detachably connected with a left end cover and a right end cover respectively, a rotating shaft is connected between the left end cover and the right end cover through two groups of bearing seats in a rotating manner, the outer wall of the rotating shaft is provided with auger blades for stirring calcium fluoride powder, the outer wall of the auger blades is in sliding connection with the inner side wall of the inner liner layer, an internal heating structure for heating from the inside is arranged between the rotating shaft and the right end cover, one side of the left end cover, which is far away from the auger blades, and the outer cylinder is provided with a driving assembly for driving the auger blades, and a guiding structure for heating and diffusing powder is arranged below the driving assembly.

As a further description of the above technical solution:

the adjusting structure comprises a left bracket and a right bracket, the left bracket and the right bracket are sequentially and rotatably connected to the lower wall of the outer cylinder according to left and right distribution and respectively close to the left end and the right end, and the left bracket and the right bracket are telescopic brackets.

As a further description of the above technical solution:

the external heating structure comprises an insulating layer, a heat preservation layer and an electric heating layer, and the insulating layer, the heat preservation layer and the electric heating layer are sequentially and fixedly connected between the inner side wall of the outer cylinder and the outer wall of the inner liner layer from outside to inside.

As a further description of the above technical solution:

the inner heating structure comprises an electric heating rod, a heat insulation rod, a conductive slip ring and an electric connection box, wherein the electric heating rod is fixedly connected to the inner side wall of a rotating shaft, the electric heating rod penetrates through the right end of the rotating shaft and stretches out to the right side of the rotating shaft, the heat insulation rod is fixedly connected to the right end of the electric heating rod, the electric connection box is fixedly connected to one side, far away from the outer cylinder, of the right end cover, the conductive slip ring is fixedly connected to the right wall of the inner side of the electric connection box, the conductive slip ring consists of a sliding ring and a fixed ring which are in rotary connection and are in electric connection, the fixed ring is fixedly connected to the inner side wall of the electric connection box, one end, far away from the electric heating rod, of the heat insulation rod is fixedly connected to the sliding ring, a wire passing hole is formed in the inner side wall of the wire passing hole, and two ends of the wire are respectively electrically connected with the electric heating rod and the conductive slip ring.

As a further description of the above technical solution:

the driving assembly comprises a motor case, a servo motor and a speed reducer assembly, wherein the motor case is fixedly connected to one side, far away from the outer cylinder, of the left end cover, the servo motor is fixedly connected to the lower wall of the inner side of the motor case, the speed reducer assembly is fixedly connected to the left wall of the left end cover and is positioned in the motor case, one end, facing the left end cover, of the rotating shaft penetrates through the inner wall of the left end cover, the end portion of the rotating shaft is fixedly connected with the output end of the speed reducer assembly, and the input end of the speed reducer assembly is fixedly connected with the extending shaft of the servo motor through a coupler.

As a further description of the above technical solution:

the air pipe connector is fixedly connected to one side, far away from the outer cylinder, of the left end cover and located below the driving assembly, and one side, far away from the outer cylinder, of the air pipe connector is connected with the hot air supply device through an air pipe.

The utility model has the following beneficial effects:

1. compared with the prior art, this rabbling mechanism for calcium fluoride production and treatment, inside the urceolus is sent into through the feeder hopper after the calcium fluoride powder flotation, servo motor rotates and passes through the speed reducer speed reduction and improve moment of torsion, drive pivot and auger blade rotation, it removes to drive powder through the rotation of auger blade, servo motor corotation and when overturning, just drive the powder along the urceolus inside wall about moving, the in-process powder that removes can be ceaselessly roll, it is inside to cooperate hot-blast feeding device to send hot-blast through trachea, the air pipe connection again, make the powder by the diffusion of wind blow inside the urceolus, electric heating rod heating and the electric heating layer heating of urceolus inside wall through the pivot, fully dry the calcium fluoride powder of diffusion inside the urceolus, reach the purpose of quick drying powder, compared prior art, drying rate promotes greatly.

2. Compared with the prior art, the stirring mechanism for calcium fluoride production and treatment is low in left and right sides through the height adjustment of the left bracket and the right bracket, the outer barrel is low in left and right and high in right, the proper length of the outer barrel and the proper height ratio are selected, the stirring mechanism can be used as a lifting device, the defect that external power is required to be transferred to a ball pressing process after stirring and drying calcium fluoride powder in the prior art is overcome, and the production efficiency is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a stirring mechanism for calcium fluoride production and treatment;

fig. 2 is a partial sectional view of the inner structures of an outer cylinder, a left end cover and a motor box of the stirring mechanism for calcium fluoride production and treatment;

FIG. 3 is an enlarged view of part of the stirring mechanism for calcium fluoride production treatment in FIG. 2A;

fig. 4 is a partial cross-sectional view of the inner structures of the right end cover, the outer cylinder and the contact box of the stirring mechanism for calcium fluoride production and treatment.

Legend description:

1. an outer cylinder; 2. a left end cover; 3. a right end cover; 4. a feed hopper; 5. an exhaust port; 6. a discharge port; 7. a left bracket; 8. a right bracket; 9. a motor case; 10. an air pipe joint; 11. a servo motor; 12. a speed reducer assembly; 13. a rotating shaft; 14. auger blades; 15. an insulating layer; 16. a heat preservation layer; 17. an electrical heating layer; 18. an inner liner layer; 19. an electric heating rod; 20. a bearing seat; 21. a heat insulating rod; 22. a conductive slip ring; 23. and a power connection box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the utility model provides a stirring mechanism for calcium fluoride production and treatment, which comprises: comprises an outer cylinder 1, a hot air supply device, an air pipe and a cyclone separator; the lower wall of the outer cylinder 1 is provided with a height-adjustable adjusting structure, the adjusting structure comprises a left bracket 7 and a right bracket 8, the left bracket 7 and the right bracket 8 are sequentially connected to the lower wall of the outer cylinder 1 in a rotating way according to left-right distribution and are respectively close to the left end and the right end, the left bracket 7 and the right bracket 8 are telescopic brackets, the horizontal angle of the outer cylinder 1 can be conveniently adjusted through the telescopic left bracket 7 and the telescopic right bracket 8, when the feeding hopper 4 is arranged to be lower than the discharge opening 6, the material conveying effect with a certain height can be completed through the rotation of the auger blade 14, and the problem that stirring and drying equipment in the prior art cannot convey materials is solved;

the upper wall of the outer cylinder 1 is provided with a feed hopper 4 for feeding calcium fluoride powder near the left end, the outer wall of the outer cylinder 1 is provided with an exhaust port 5 and a discharge port 6 near the right end, the exhaust port 5 and the discharge port 6 are respectively positioned on the upper wall and the lower wall of the outer cylinder 1 in an up-down opposite mode, the exhaust port 5 is connected with a cyclone separator, moisture generated in the drying process can be discharged through the exhaust port 5 in the production process, and part of powder discharged along with the moisture is recycled through the cyclone separator;

the inner side wall of the outer cylinder 1 is provided with an inner liner layer 18, an external heating structure for heating from outside is arranged between the inner liner layer 18 and the outer cylinder 1, the external heating structure comprises an insulating layer 15, a heat preservation layer 16 and an electric heating layer 17, the insulating layer 15, the heat preservation layer 16 and the electric heating layer 17 are sequentially and fixedly connected between the inner side wall of the outer cylinder 1 and the outer wall of the inner liner layer 18 from outside to inside, the electric heating layer 17 is heated after being electrified, the inner liner layer 18 is heated, heat transfer drying is carried out by contacting the inner liner layer 18 with calcium fluoride powder, and the heat preservation layer 16 is used for preserving heat from inside to outside;

the left end cover 2 and the right end cover 3 are detachably connected with the left end cover 2 and the right end cover 3 respectively, a rotating shaft 13 is rotatably connected between the left end cover 2 and the right end cover 3 through two groups of bearing seats 20, auger blades 14 for stirring calcium fluoride powder are arranged on the outer wall of the rotating shaft 13, the outer wall of the auger blades 14 is in sliding connection with the inner side wall of an inner liner layer 18, an internal heating structure for heating from inside is arranged between the rotating shaft 13 and the right end cover 3, the internal heating structure comprises an electric heating rod 19, a heat insulation rod 21, a conductive slip ring 22 and an electric connection box 23, the electric heating rod 19 is fixedly connected to the inner side wall of the rotating shaft 13, the electric heating rod 19 penetrates through the right end of the rotating shaft 13 and stretches out to the right side of the rotating shaft 13, the heat insulation rod 21 is fixedly connected to the right end of the electric heating rod 19, the electric connection box 23 is fixedly connected to one side of the right end of the electric connection box 3 far away from the rotating shaft 13, the conductive slip ring 22 is fixedly connected to the right side wall of the electric connection box 23, the conductive slip ring 22 consists of a sliding ring and a fixed ring which are in sliding connection, the inner side wall of the fixed ring which is electrically connected, one end of the inner side wall of the electric connection box 23 is far from the electric heating rod 19 is fixedly connected with the sliding ring, the inner side wall of the electric connection box 19, the electric heating rod 21 is fixedly connected with the inner side wall of the electric connection box 19 through a wire, the conductive wire, and the inner side wall is provided with the inner side wire hole, and the electric connection wire hole, when the electric connection wire is respectively, and the electric heating rod 19 is connected with the electric heating rod 13, and the electric heating wire and the electric wire through the electric wire, and the electric heating rod and the electric wire and the electric drum and the electric drying;

the device comprises a left end cover 2, an outer cylinder 1, a left end cover 2, a right end cover 2, a left end cover 2, a right end cover 12, a speed reducer assembly 12, a rotating shaft 13, a speed reducer assembly 12 and a speed reducer assembly 12, wherein the driving assembly for driving the auger blade 14 is arranged on one side of the left end cover 2 far away from the outer cylinder 1, the driving assembly comprises a motor box 9, the servo motor 11 and the speed reducer assembly 12, the motor box 9 is fixedly connected to one side of the left end cover 2 far away from the outer cylinder 1, the servo motor 11 is fixedly connected to the lower wall of the inner side of the motor box 9, the speed reducer assembly 12 is fixedly connected to the left wall of the left end cover 2 and is positioned in the motor box 9, one end of the rotating shaft 13, which faces the left end cover 2, penetrates through the inner wall of the left end cover 2, and the end of the rotating shaft is fixedly connected to the output end of the speed reducer assembly 12, the input end of the speed reducer assembly 12 is fixedly connected with the extending shaft of the servo motor 11 through a coupler, the speed reducer assembly 12 can reduce the rotating speed of the servo motor 11 to improve torque, and the speed of the servo motor 11 can drive the auger blade 14 to stir and disperse calcium fluoride powder;

the outer wall of the left end cover 2 and the guiding structure for feeding hot air to heat and diffuse powder are arranged below the driving assembly, the guiding structure is an air pipe connector 10, the air pipe connector 10 is fixedly connected to one side, far away from the outer cylinder 1, of the left end cover 2 and is positioned below the driving assembly, one side, far away from the outer cylinder 1, of the air pipe connector 10 is connected with a hot air supply device through an air pipe, hot air supplied by the hot air supply device is fed into the outer cylinder 1 through the air pipe and the air pipe connector 10, on-off can be controlled through a common electromagnetic valve in the market, and the hot air can dry powder and blow the powder to diffuse through the shape air flow.

Working principle: after flotation and filter pressing of calcium fluoride powder, the water content is generally 40-60%, so that the high water content can not be pressed into balls, further drying and dehydration are needed, the calcium fluoride powder is fed into the outer cylinder 1 through the feed hopper 4 after flotation, the horizontal angle of the outer cylinder 1 is adjusted through the telescopic left support 7 and the telescopic right support 8, the calcium fluoride powder is adapted between a flotation process and a ball pressing process, the speed reducer assembly 12 can reduce the rotating speed of the servo motor 11 to improve torque, the servo motor 11 can drive the auger blade 14 to stir and disperse the calcium fluoride powder, hot air supplied by the hot air supply device is fed into the outer cylinder 1 through an air pipe and an air pipe joint 10, the hot air can be used for drying and diffusing the powder through a common electromagnetic valve in the market, the hot air can be used for heating the rotating shaft 13 after the electric heating rod 19 is electrified, and conducting heat to the auger blade 14 through the rotating shaft 13, when the powder is contacted with the auger blade 14, the powder can be dried, the electric heating layer 17 is heated after the electric heating, the inner layer 18 is contacted with the calcium fluoride powder, the inner container 18 is dried, the inner container 16 is heated, the hot air is connected with the air pipe and the cyclone separator through the air pipe joint 5, moisture can be discharged from the air exhaust port, and the moisture can be recovered in the process, and the moisture is discharged from the cyclone separator through the heat insulation process, and the air exhaust process is recycled.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The stirring mechanism for calcium fluoride production and treatment comprises an outer cylinder (1), a hot air supply device, an air pipe and a cyclone separator; the method is characterized in that: the lower wall of the outer cylinder (1) is provided with an adjusting structure with adjustable height, the position, close to the left end, of the upper wall of the outer cylinder (1) is provided with a feed hopper (4) for feeding calcium fluoride powder, the position, close to the right end, of the outer wall of the outer cylinder (1) is provided with an exhaust port (5) and a discharge port (6), the exhaust port (5) and the discharge port (6) are respectively located on the upper wall and the lower wall of the outer cylinder (1) in an up-down opposite mode, the inner side wall of the outer cylinder (1) is provided with an inner liner layer (18), an external heating structure for heating from outside is arranged between the inner liner layer (18) and the outer cylinder (1), the left end cover (2) and the right end cover (3) are respectively detachably connected with the left end and the right end of the outer cylinder (1), a rotating shaft (13) is rotationally connected between the left end cover (2) and the right end cover (3) through two groups of bearing seats (20), an auger blade (14) for stirring calcium fluoride powder is arranged on the outer wall of the rotating shaft (13), the outer wall of the auger blade (14) is slidably connected with the inner side wall of the inner liner layer (18), an inner heating structure for heating from the inside is arranged between the rotating shaft (13) and the right end cover (3), a driving component for driving the auger blade (14) is arranged on one side, far away from the outer cylinder (1), of the left end cover (2), the outer wall of the left end cover (2) and positioned below the driving assembly are also provided with an introduction structure for introducing hot air to heat and diffuse powder.

2. The stirring mechanism for calcium fluoride production and treatment according to claim 1, wherein: the adjusting structure comprises a left bracket (7) and a right bracket (8), wherein the left bracket (7) and the right bracket (8) are sequentially connected to the lower wall of the outer cylinder (1) in a left-right distribution manner and respectively close to the left end and the right end, and the left bracket (7) and the right bracket (8) are telescopic brackets.

3. The stirring mechanism for calcium fluoride production and treatment according to claim 2, wherein: the external heating structure comprises an insulating layer (15), a heat preservation layer (16) and an electric heating layer (17), wherein the insulating layer (15), the heat preservation layer (16) and the electric heating layer (17) are sequentially and fixedly connected between the inner side wall of the outer cylinder (1) and the outer wall of the inner liner layer (18) from outside to inside.

4. A stirring mechanism for calcium fluoride production and treatment according to claim 3, wherein: the utility model provides an internal heating structure includes electrical heating stick (19), insulating rod (21), electrically conductive sliding ring (22) and meets electric box (23), electrical heating stick (19) fixed connection is in pivot (13) inside wall, electrical heating stick (19) run through pivot (13) right-hand member and stretch out to pivot (13) right side, insulating rod (21) fixed connection is in electrical heating stick (19) right-hand member, connect electric box (23) fixed connection to keep away from one side of urceolus (1) in right-hand member lid (3), electrically conductive sliding ring (22) fixed connection is in the inboard right wall that connects electric box (23), electrically conductive sliding ring (22) comprise slip ring, the solid fixed ring of being connected and connecing electric box (23) inside wall fixed connection, the one end and the slip ring fixed connection of electrical heating stick (19) are kept away from to insulating rod (21), insulating rod (21) inside wall is provided with the wire hole, wire hole inside wall is provided with the wire, wire both ends are connected with electrical heating stick (19), electrically conductive ring (22) respectively.

5. The stirring mechanism for calcium fluoride production and treatment according to claim 4, wherein: the driving assembly comprises a motor case (9), a servo motor (11) and a speed reducer assembly (12), wherein the motor case (9) is fixedly connected to one side, far away from the outer cylinder (1), of the left end cover (2), the servo motor (11) is fixedly connected to the inner lower wall of the motor case (9), the speed reducer assembly (12) is fixedly connected to the left wall of the left end cover (2) and is positioned in the motor case (9), one end of the rotating shaft (13) facing the left end cover (2) penetrates through the inner wall of the left end cover (2) and is fixedly connected with the output end of the speed reducer assembly (12), and the input end of the speed reducer assembly (12) is fixedly connected with the extending shaft of the servo motor (11) through a coupler.

6. The stirring mechanism for calcium fluoride production and treatment according to claim 5, wherein: the air pipe connector (10) is fixedly connected to one side, far away from the outer cylinder (1), of the left end cover (2) and located below the driving assembly, and one side, far away from the outer cylinder (1), of the air pipe connector (10) is connected with the hot air supply device through an air pipe.