CN211218597U

CN211218597U - Novel water external cooling electromagnetic stirrer

Info

Publication number: CN211218597U
Application number: CN201921694188.9U
Authority: CN
Inventors: 孙汝菲
Original assignee: Tangshan Meinit Electric Co ltd
Current assignee: Tangshan Meinit Electric Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-08-11
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a novel water external cooling electromagnetic stirrer relates to electromagnetic stirrer technical field, specifically is a novel water external cooling electromagnetic stirrer, the on-line screen storage device comprises a base, base top fixed mounting has sealed bottom, the top fixed mounting of sealed bottom has the inner shell, the outside fixed mounting of inner shell has auger blade, auger blade's outside fixed mounting has the shell, the top fixed mounting of shell has the top cap. This novel water external cooling electromagnetic stirrer, through the inside cooling water of centrifugal pump extraction coolant tank, then dispel the heat through the heat dissipation copper pipe, the cooling water that reduces the temperature pours into the cooling water course that interior shell and auger blade constitute into through the inlet tube into, has realized the cooling to the agitator, has solved the problem that partial agitator high temperature in the past, and the cooling water course can make the lower cooling water evenly distributed of temperature in the inner shell outside in addition, makes the inside temperature of agitator more even.

Description

Novel water external cooling electromagnetic stirrer

Technical Field

The utility model relates to an electromagnetic stirrer technical field specifically is a novel water external cooling electromagnetic stirrer.

Background

With the continuous development of continuous casting technology, the continuous casting steel grade is continuously expanded, the electromagnetic stirring technology has more and more attracted general attention of the continuous casting field, and proper crystallizer electromagnetic stirring can reduce the superheat degree of molten steel in a crystallizer, improve the solidification condition, promote the aggregation and floating of inclusions and bubbles, and break growing columnar crystal tail-end dendritic crystals, which are favorable for improving the inner and outer quality of continuous casting billets.

In the cooling mode, the traditional electromagnetic stirring method mostly adopts the mode of installing a cooling water tank outside a stirrer body and circularly supplying water for cooling, the outstanding problem is that the cooling water in the cooling water tank is unevenly distributed, the stirrer cannot be well cooled, a common hearth type stirring device usually uses a rotating magnetic field for stirring, the whole furnace melt is concentrically rotated under the push of the rotating magnetic field, the part with higher specific gravity is thrown to the periphery of a smelting furnace under the action of centrifugal force, the part with lower specific gravity is left in the center, once the part with higher specific gravity is thrown to the periphery of the smelting furnace, the stirring mode has no way to move the parts to the center of the furnace, so that the nonuniformity of the melt is intensified, the higher the rotating speed is, the more prominent the separation phenomenon is, the stirring is changed into centrifugal separation, the uniformity of chemical components of the melt cannot be realized, and if the rotating speed is reduced to lighten the centrifugal force, the rotating magnetic field near the rotating center part has a lower speed, and according to the principle of electromagnetic induction, the center part of the aluminum melting furnace cannot obtain enough stirring force, so that the center part is difficult to rotate, the lower the speed, the larger the area of the center part, the larger the part which cannot rotate, and the purpose of uniform stirring cannot be achieved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a novel water external cooling electromagnetic stirrer, has the advantage that cooling water distributes evenly, stirring, simple structure, has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

For the purpose that realizes above cooling water even distribution, stirring, simple structure, the utility model discloses a following technical scheme realizes: a novel electromagnetic stirrer with water outside cooling comprises a base, wherein a sealing bottom cover is fixedly arranged at the top of the base, an inner shell is fixedly arranged at the top of the sealing bottom cover, an auger blade is fixedly arranged at the outer part of the inner shell, an outer shell is fixedly arranged at the outer part of the auger blade, a top cover is fixedly arranged at the top of the outer shell, a high-temperature discharge valve penetrating into the inner shell is fixedly arranged at the front of the outer shell, a fixed plate is fixedly arranged at the middle part of an inner cavity of the base, a fixed frame is fixedly arranged at the bottom of the fixed plate, a driving motor is fixedly arranged at the inner part of the fixed frame, a driving gear positioned at the top of the fixed plate is fixedly sleeved on an output shaft of the driving motor, a fixed shaft is movably sleeved at the top of the fixed plate, a transmission gear, the middle part fixed mounting on drive gear top has the guide bar, the guide bar has reciprocal rack through the spout joint, the top fixed mounting of fixed plate has the guide block that is located drive gear openly, the heat dissipation case has been placed at the back of base, the left side fixed mounting of heat dissipation case has coolant tank, the top fixed mounting of heat dissipation case has the centrifugal pump, the left side fixed mounting of centrifugal pump has cooling motor.

Preferably, the auger blade is the heliciform, and the pitch of auger blade is the tenth of inner shell height, and shell, inner shell, auger blade constitute the cooling water course, the top fixed mounting at the shell back has the outlet pipe that runs through to the inside of cooling water course, and the below fixed mounting at the shell back has the inlet tube that runs through to the inside of cooling water course.

Preferably, the other end of outlet pipe runs through to inside the coolant tank, the inside fixed mounting of heat dissipation case has the heat dissipation copper pipe, heat dissipation copper pipe shape is the N style of calligraphy, and the heat dissipation copper pipe is five layer structures, heat dissipation copper pipe one end and the fixed cup joint of centrifugal pump delivery port, and the heat dissipation copper pipe other end and the fixed cup joint of inlet tube, the water inlet of centrifugal pump passes through pipeline and coolant tank fixed connection.

Preferably, the top of reciprocal rack has the magnet steel through connecting block fixed mounting, and the magnet steel arranges with reciprocal rack is perpendicular, the guide bar is located the middle part of drive gear, and the diameter value of guide bar is the same with the width of spout.

Preferably, the number of the transmission gears, the fixed shaft and the reciprocating gears is two, the outer edges of the two transmission gears are meshed with the driving gear, the reciprocating gears are fan-shaped, the outer edges of the reciprocating gears are meshed with the reciprocating racks, the shape of the two reciprocating gears is the same, and the gears face the same direction.

Preferably, the back of the guide block is provided with a guide groove, the guide blocks are distributed in the front and back of the driving gear in a mirror image mode, the length of the reciprocating rack is larger than the distance between the two guide blocks, and two end faces of the reciprocating rack are cambered surfaces.

Preferably, the outer diameter of the top cover has the same value as the diameter of the outer shell, and the inner diameter of the top cover has the same value as the diameter of the inner shell.

Preferably, the magnetic steel top and the inner side of the base top are non-contact surfaces, and an inner lining layer is fixedly mounted at the top of the base.

(III) advantageous effects

The utility model provides a novel water external cooling electromagnetic stirrer possesses following beneficial effect:

1. this novel water external cooling electromagnetic stirrer, through the inside cooling water of centrifugal pump extraction coolant tank, then dispel the heat through the heat dissipation copper pipe, the cooling water that reduces the temperature pours into the cooling water course that interior shell and auger blade constitute into through the inlet tube, the cooling to the agitator has been realized, the problem of partial agitator high temperature in the past has been solved, the cooling water course can make the lower cooling water evenly distributed of temperature outside the inner shell in addition, make the inside temperature of agitator more even, be favorable to the cooling and the crystallization of inside stirring material.

2. This novel water external cooling electromagnetic stirrer, drive gear drives the drive gear and rotates, thereby drive reciprocating gear and rotate, and then drive the magnet steel back-and-forth movement through reciprocal rack, compare with electromagnetic stirrer in the past, change into translation magnetic field rotating magnetic field, solved in the past because centrifugal force leads to stirring inhomogeneous problem, moreover, cooperation through guide bar and spout, it can only the seesaw to have guaranteed reciprocal rack, and reciprocal rack both ends all add and are equipped with the guide block, the moving direction of reciprocating rack has further been injectd, thereby guarantee that the magnet steel is done work along the fore-and-aft direction, the validity of the device has been guaranteed.

Drawings

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

FIG. 2 is a schematic structural view of the cooling water channel of the present invention;

FIG. 3 is a schematic structural diagram of the translational magnetic field of the present invention;

fig. 4 is a schematic view of the structure for fixing the motor of the present invention.

In the figure: 1. a base; 2. a fixing plate; 3. a housing; 4. an inner shell; 5. a top cover; 6. cooling the motor; 7. A screw blade; 8. sealing the bottom cover; 9. a fixed mount; 10. a drive motor; 11. a drive gear; 12. A transmission gear; 13. a reciprocating gear; 14. a fixed shaft; 15. a reciprocating rack; 16. magnetic steel; 17. a guide block; 18. a guide groove; 19. a high temperature discharge valve; 20. a water outlet pipe; 21. a water inlet pipe; 22. a heat dissipation copper pipe; 23. a heat dissipation box; 24. a centrifugal pump; 25. a cooling water tank; 26. a guide bar; 27. a chute.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a novel electromagnetic stirrer with water cooling outside comprises a base 1, a sealing bottom cover 8 is fixedly installed at the top of the base 1, an inner shell 4 is fixedly installed at the top of the sealing bottom cover 8, an auger blade 7 is fixedly installed at the outside of the inner shell 4, an outer shell 3 is fixedly installed at the outside of the auger blade 7, wherein the auger blade 7 is in a spiral shape, the pitch of the auger blade 7 is one tenth of the height of the inner shell 4, the outer shell 3, the inner shell 4 and the auger blade 7 form a cooling water channel, a water outlet pipe 20 penetrating into the cooling water channel is fixedly installed above the back of the outer shell 3, a water inlet pipe 21 penetrating into the cooling water channel is fixedly installed below the back of the outer shell 3, the cooling water of the water inlet pipe 21 can be uniformly distributed outside the inner shell 4 by the spiral auger blade 7, compared with the conventional through type cooling, the cooling is quicker and more uniform, the uniform distribution of crystals in the stirred solution is ensured, the quality of the solution is improved, in addition, the higher the temperature of the water is, the lower the density is, the water outlet pipe 20 is arranged at the upper part of the outer shell 3, the water with higher temperature can be discharged, the temperature of cooling water is further reduced, the top part of the outer shell 3 is fixedly provided with the top cover 5, wherein, the outer diameter value of the top cover 5 is the same as the diameter value of the outer shell 3, the inner diameter value of the top cover 5 is the same as the diameter value of the inner shell 4, the front surface of the outer shell 3 is fixedly provided with the high-temperature discharge valve 19 penetrating into the inner shell 4, the middle part of the inner cavity of the base 1 is fixedly provided with the fixed plate 2, the bottom part of the fixed plate 2 is fixedly provided with the fixed frame 9, the inside of the fixed frame 9 is fixedly provided with the driving motor 10, the output, and the transmission gear 12 is fixedly sleeved outside the fixed shaft 14, the reciprocating gear 13 positioned at the top of the transmission gear 12 is fixedly sleeved outside the fixed shaft 14, wherein the number of the transmission gear 12, the fixed shaft 14 and the reciprocating gear 13 is two, the outer edges of the two transmission gears 12 are all meshed with the driving gear 11, the shape of the reciprocating gear 13 is fan-shaped, the outer edge of the reciprocating gear 13 is meshed with the reciprocating rack 15, the shapes of the two reciprocating gears 13 are the same, the gears face the same direction, the driving gear 11 drives the transmission gear 12 to rotate, so that the reciprocating gear 13 is driven to rotate, and further the magnetic steel 16 is driven to move back and forth through the reciprocating rack 15, compared with the traditional electromagnetic stirrer, the rotating magnetic field is changed into a translation magnetic field, the problem of uneven stirring caused by centrifugal force in the prior art is solved, the structure is simple, a guide rod 26 is fixedly installed in the middle of the top end of the driving gear 11, the guide rod 26 is connected with a reciprocating rack 15 in a clamping mode through a sliding groove 27, a guide block 17 positioned on the front face of the driving gear 11 is fixedly installed at the top of the fixing plate 2, wherein a guide groove 18 is formed in the back face of the guide block 17, the guide block 17 is distributed in the front and back directions of the driving gear 11 in a mirror image mode, the length of the reciprocating rack is larger than the distance between the two guide blocks 17, two end faces of the reciprocating rack 15 are cambered surfaces, when one end of the reciprocating rack 15 leaves the guide groove 18, the other end of the reciprocating rack 15 just slides into the guide groove 18 at the other end, the reciprocating rack 15 is always guaranteed to move back and forth along the guide rod 26 and the guide groove 18, and only back and forth movement of the reciprocating rack is guaranteed, a magnetic steel 16 is fixedly installed at the top of, the diameter value of the guide rod 26 is the same as the width of the chute 27, wherein the top of the magnetic steel 16 and the inner side of the top of the base 1 are non-contact surfaces, an inner lining layer is fixedly installed at the top of the base 1, a heat dissipation box 23 is placed at the back of the base 1, a cooling water tank 25 is fixedly installed at the left side of the heat dissipation box 23, a centrifugal pump 24 is fixedly installed at the top of the heat dissipation box 23, a cooling motor 6 is fixedly installed at the left side of the centrifugal pump 24, wherein the other end of a water outlet pipe 20 penetrates into the cooling water tank 25, a heat dissipation copper pipe 22 is fixedly installed inside the heat dissipation box 23, the heat dissipation copper pipe 22 is in an N-shaped structure, the heat dissipation copper pipe 22 is in a five-layer structure, one end of the heat dissipation copper pipe 22 is fixedly sleeved with a water outlet of the centrifugal pump 24, the other end of the heat, then dispel the heat through heat dissipation copper pipe 22, the cooling water that reduces the temperature pours into the cooling water course into through inlet tube 21 into, has realized the cooling to the agitator, has solved the too high problem of partial agitator temperature in the past, and the cooling water course can make the lower cooling water evenly distributed of temperature in addition in the inner shell 4 outsidely, makes the inside temperature of agitator more even, is favorable to the cooling and the crystallization of inside stirring material.

To sum up, when the novel water external cooling electromagnetic stirrer is used, whether the outer shell 3, the inner shell 4 and the cooling water pipe of the electromagnetic stirrer are good or not is checked, after the situation that a solution to be stirred is poured into the inner shell 4 is confirmed to be correct, the cooling water in the cooling water tank 25 is extracted by the centrifugal pump 24, then the heat dissipation is carried out through the heat dissipation copper pipe 22, the cooling water with reduced temperature is injected into the inner shell 4 through the water inlet pipe 21, the cooling water channel formed by the outer shell 3 and the auger blades 7 realizes the cooling of the stirrer, the cooling water with lower temperature can be uniformly distributed outside the inner shell 4 through the spiral cooling water channel, the driving gear 11 drives the transmission gear 12 to rotate, thereby driving the reciprocating gear 13 to rotate, and then driving the magnetic steel 16 to move back and forth through the reciprocating rack 15, compared with the traditional electromagnetic stirrer, the rotating magnetic field is changed into the translation magnetic, make reciprocal rack seesaw, when waiting that reciprocal rack 15 one end leaves guide way 18, reciprocal rack 15 other end just slides in the guide way 18 of the other end, guarantee all the time that reciprocal rack 15 is seesaw along guide bar 26 and guide way 18, the magnetic field that magnet steel 16 produced moves along the fore-and-aft direction always, because the electromagnetic induction principle, the inside solution of inner shell 4 can follow magnet steel 16 and do the seesaw, thereby reach the stirring mesh to the solution, wait to stir the completion back, emit the solution through high temperature discharge valve 19, can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel water external cooling electromagnetic stirrer, includes base (1), its characterized in that: the sealing device is characterized in that a sealing bottom cover (8) is fixedly arranged at the top of the base (1), an inner shell (4) is fixedly arranged at the top of the sealing bottom cover (8), an auger blade (7) is fixedly arranged at the outer part of the inner shell (4), an outer shell (3) is fixedly arranged at the outer part of the auger blade (7), a top cover (5) is fixedly arranged at the top of the outer shell (3), a high-temperature discharge valve (19) penetrating to the inner part of the inner shell (4) is fixedly arranged at the front of the outer shell (3), a fixing plate (2) is fixedly arranged at the middle part of the inner cavity of the base (1), a fixing frame (9) is fixedly arranged at the bottom of the fixing plate (2), a driving motor (10) is fixedly arranged at the inner part of the fixing frame (9), a driving gear (11) positioned at the top of the fixing plate (2) is fixedly, and the external fixation of fixed axle (14) has cup jointed drive gear (12), the external fixation of fixed axle (14) has cup jointed reciprocating gear (13) that are located drive gear (12) top, the middle part fixed mounting on drive gear (11) top has guide bar (26), guide bar (26) have reciprocal rack (15) through spout (27) joint, the top fixed mounting of fixed plate (2) has guide block (17) that are located drive gear (11) front, heat dissipation case (23) have been placed at the back of base (1), the left side fixed mounting of heat dissipation case (23) has cooling water tank (25), the top fixed mounting of heat dissipation case (23) has centrifugal pump (24), the left side fixed mounting of centrifugal pump (24) has cooling motor (6).

2. The novel water-cooled electromagnetic stirrer according to claim 1, characterized in that: auger blade (7) are the heliciform, and the pitch of auger blade (7) is one tenth of inner shell (4) height, and shell (3), inner shell (4), auger blade (7) constitute the cooling water course, the top fixed mounting at the shell (3) back has outlet pipe (20) that runs through to the inside of cooling water course, and the below fixed mounting at the shell (3) back has inlet tube (21) that runs through to the inside of cooling water course.

3. The novel water-cooled electromagnetic stirrer according to claim 2, characterized in that: the other end of outlet pipe (20) runs through to inside coolant tank (25), the inside fixed mounting of heat dissipation case (23) has heat dissipation copper pipe (22), heat dissipation copper pipe (22) shape is the N style of calligraphy, and heat dissipation copper pipe (22) are five layers of structures, heat dissipation copper pipe (22) one end and centrifugal pump (24) delivery port are fixed to be cup jointed, and heat dissipation copper pipe (22) other end and inlet tube (21) are fixed to be cup jointed, the water inlet of centrifugal pump (24) passes through pipeline and coolant tank (25) fixed connection.

4. The novel water-cooled electromagnetic stirrer according to claim 1, characterized in that: the top of reciprocal rack (15) passes through connecting block fixed mounting has magnet steel (16), and magnet steel (16) and reciprocal rack (15) are arranged perpendicularly, guide bar (26) are located the middle part of drive gear (11), and the diameter value of guide bar (26) is the same with the width of spout (27).

5. The novel water-cooled electromagnetic stirrer according to claim 1, characterized in that: the number of the transmission gears (12), the number of the fixed shafts (14) and the number of the reciprocating gears (13) are two, the outer edges of the transmission gears (12) are all meshed with the driving gear (11), the shape of the reciprocating gears (13) is fan-shaped, the outer edges of the reciprocating gears (13) are meshed with the reciprocating rack (15), the shape of the reciprocating gears (13) is the same, and the gears face the same direction.

6. The novel water-cooled electromagnetic stirrer according to claim 1, characterized in that: guide way (18) have been seted up to the back of guide block (17), guide block (17) mirror image distribution is in the front and back of drive gear (11), the length of reciprocal rack is greater than the distance between two guide blocks (17), the both ends face of reciprocal rack (15) is the cambered surface.

7. The novel water-cooled electromagnetic stirrer according to claim 1, characterized in that: the outer diameter value of top cap (5) is the same with the diameter value of shell (3), the inner diameter value of top cap (5) is the same with the diameter value of inner shell (4).

8. The novel water-cooled electromagnetic stirrer according to claim 4, wherein: the inner sides of the top of the magnetic steel (16) and the top of the base (1) are non-contact surfaces, and an inner lining layer is fixedly arranged at the top of the base (1).