CN210475519U

CN210475519U - Water gap anti-blocking device of steel furnace for producing ultra-micro crystal belt

Info

Publication number: CN210475519U
Application number: CN201921523986.5U
Authority: CN
Inventors: 徐玉川
Original assignee: Anhui Develop Noncrystal Equipment Co ltd
Current assignee: ANHUI HUMMER DYNAMO Co.,Ltd.
Priority date: 2019-09-13
Filing date: 2019-09-13
Publication date: 2020-05-08
Anticipated expiration: 2029-09-13

Abstract

The utility model discloses a mouth of a river anti-clogging device of steelmaking furnace is used in production of super little crystalline ribbon, including steelmaking furnace body and stopper rod, the mouth of a river has been seted up to steelmaking furnace body bottom, the discharge gate has been seted up between the inside and the mouth of a river of steelmaking furnace body, stopper rod bottom and discharge gate phase-match, the lateral wall and the roof at the mouth of a river have all been filled the heat-conducting layer, antiseized layer has been laid on mouth of a river inner wall surface, mouth of a river inner wall is located the inside heating coil that has buried underground of heat-conducting layer all around, the bottom wall is located the inside recess of seting up of heat-conducting layer in the mouth of a river, inside blast head and the piston. The utility model discloses a be equipped with heating coil and blast nozzle, be favorable to blowing off the molten steel after will melting, effectually clear away the inside solidification molten steel in the mouth of a river completely, prevent that the molten steel that solidifies from blockking up the mouth of a river, cause the production to break, improve production efficiency.

Description

Water gap anti-blocking device of steel furnace for producing ultra-micro crystal belt

Technical Field

The utility model relates to an ultra-micro crystal strip production facility technical field, in particular to mouth of a river anti-clogging device of steelmaking furnace is used in ultra-micro crystal strip production.

Background

The traditional method for preparing the ultra-microcrystalline strip comprises the steps of smelting metal into liquid through a medium-frequency induction furnace, pouring molten metal into a tundish, bottom-injecting the molten metal into a strip spraying ladle, spraying the molten metal onto a crystallization roller rotating at a high speed through a nozzle, and instantly solidifying the molten metal into the ultra-microcrystalline strip with the thickness of 25-30 microns.

However, the production raw materials are lifted and pressed down by a stopper rod in a steelmaking furnace to control the lower flow rate of molten steel, a water gap below the stopper rod is always full of molten steel in the flow control process, the molten steel is solidified to cause the water gap to be blocked, the blockage of the water gap can cause the continuous interruption of the manufacturing process in production, the loss of time is caused, and the maintenance time of the steelmaking furnace is shortened.

Therefore, it is necessary to invent a nozzle anti-clogging device of a steel furnace for producing an ultra-fine grain strip to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a mouth of a river anti-clogging device of steelmaking furnace is used in production of ultra-micro zone is favorable to blowing off the molten steel after will melting through being equipped with heating coil and shower nozzle, and the effectual molten steel that solidifies with the mouth of a river inside clears away completely, prevents that the molten steel that solidifies from blockking up the mouth of a river, causes the production to interrupt, improves production efficiency to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mouth of a river anti-clogging device of steelmaking furnace is used in production of super little brilliant area, includes steelmaking furnace body and stopper stick, the mouth of a river has been seted up to steelmaking furnace body bottom, the discharge gate has been seted up between the inside and the mouth of a river of steelmaking furnace body, stopper stick bottom and discharge gate phase-match, the lateral wall and the roof of mouth of a river all fill has the heat-conducting layer, antiseized layer has been laid on mouth of a river inner wall surface, mouth of a river inner wall is located the inside heating coil that has buried underground of heat-conducting layer all around, the bottom wall is located the inside recess that has seted up of heat-conducting layer in the mouth of a river, inside blast nozzle and the piston of being provided with of recess, piston top fixedly connected with sliding sleeve, the inside activity of sliding sleeve is pegged graft there.

Preferably, the piston is divided into an upper part and a lower part, the upper section of the piston is arranged in a circular truncated cone shape, and the lower section of the piston is arranged in a cylindrical shape and matched with the inner wall of the groove.

Preferably, the top of the air nozzle is connected with a high-pressure air pipe, and the high-pressure air pipe penetrates through the heat conduction layer and extends to the outside to be connected with an external high-pressure air pump.

Preferably, the heating coil is electrically connected with an external high-frequency power supply, and the heating coil is positioned outside the water gap and uniformly wound at a certain height.

Preferably, the cross-sectional shapes of the sliding sleeves and the T-shaped rods are circular, the number of the sliding sleeves is four, and the sliding sleeves are located at the tops of the pistons and are evenly arranged.

Preferably, a turning bulge is arranged at a connecting port of the top of the water gap and the side wall, the turning bulge is arranged in an arc shape, and the bottom of the water gap is arranged in a slope shape.

Preferably, the grooves are arranged at the periphery of the top of the water gap, the number of the grooves is four, and an included angle between every two adjacent grooves is 90 degrees.

Preferably, the steelmaking furnace body is provided with a fire-resistant heat preservation layer, a heating layer and a magnet yoke layer from inside to outside in sequence, and a heating copper pipe is laid inside the heating layer.

Preferably, the heat conduction layer is made of graphene materials, and the anti-adhesion layer is made of metal coating materials.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with heating coil and air blast head, be favorable to melting the slag that solidifies through heating coil, and the molten steel after will melting through the air blast head blows off, on the one hand effectual with the inside solidification molten steel in the mouth of a river clear away completely, prevent that the molten steel that solidifies from blockking up the mouth of a river, cause the production to interrupt, improve production efficiency, on the other hand the effectual molten steel that prevents after melting melts with the inside steel liquid that flows down of steelmaking furnace body, make the molten steel of two different temperatures mix, lead to advance the raw materials temperature that is not conform to the molten steel ultra-micro crystal zone needs that goes into in the follow-up step, the influence is at.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the structure of the part a in fig. 1 according to the present invention;

fig. 3 is a schematic structural view of a portion B in fig. 2 according to the present invention;

fig. 4 is a bottom view of the nozzle structure of the present invention.

In the figure: 1. a steel-making furnace body; 2. a stopper rod; 3. a water gap; 4. a discharge port; 5. a heat conductive layer; 6. an anti-sticking layer; 7. a heating coil; 8. a groove; 9. a blast head; 10. a piston; 11. a sliding sleeve; 12. a T-shaped rod; 13. a spring; 14. a high-pressure air pipe; 15. direction-changing bulges; 16. a fire-resistant insulating layer; 17. a heating layer; 18. a yoke layer; 19. the copper tube is heated.

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.

According to the water gap anti-blocking device of the steel furnace for producing the ultramicro zone shown in the figures 1-4, the device comprises a steel furnace body 1 and a stopper rod 2, a water gap 3 is arranged at the bottom of the steel furnace body 1, a discharge hole 4 is arranged between the inside of the steel furnace body 1 and the water gap 3, the bottom of the stopper rod 2 is matched with the discharge hole 4, heat conducting layers 5 are filled on the side walls and the top wall of the water gap 3, the heat conducting layers 5 are arranged to facilitate the rapid heat transfer generated by heating coils 7, accelerate the melting efficiency of steel slag and improve the cleaning efficiency of the steel slag, anti-sticking layers 6 are laid on the surfaces of the inner walls of the water gap 3, the anti-sticking layers 6 are arranged to facilitate the prevention of residual molten steel in the validity period of the anti-sticking layers 6, heating coils 7 are arranged inside the heat conducting layers 5 on the periphery of the inner, the inner part of the groove 8 is provided with the air injection head 9 and the piston 10, the top of the piston 10 is fixedly connected with the sliding sleeve 11, the inner part of the sliding sleeve 11 is movably inserted with the T-shaped rod 12, one end of the top of the T-shaped rod 12 is fixedly connected with the inner top wall of the groove 8, one section of the T-shaped rod 12, which is positioned in the sliding sleeve 11, is sleeved with the spring 13, the heating coil 7 and the air injection head 9 are arranged, so that the solidified steel slag can be melted by the heating coil 7, and the molten steel after being melted can be blown out by the air injection head 9, on one hand, the solidified steel liquid in the water gap 3 can be effectively and completely removed, the water gap 3 can be prevented from being blocked by the solidified steel liquid, the production interruption can be improved, on the other hand, the molten steel can be effectively prevented from flowing down from the steel liquid phase in the steelmaking furnace body 1, affecting the quality of the first produced ultra-micro ribbon.

Further, in above-mentioned technical scheme, piston 10 divide into two parts about, the upper segment of piston 10 is round platform shape setting, piston 10 hypomere is the cylindricality setting, and is the round platform setting through piston 10 upper segment with 8 inner wall phase-matchs of recess, is favorable to making when the wind of nozzle 9 spun contacts with piston 10 top, diffuses to make the air current blow other positions of mouth of a river 3, reduce the quantity that sets up of nozzle 9, be the cylindricality setting through piston 10 hypomere, be favorable to making

piston

10 and 8 phase-matches of recess, thereby when piston 10 is not atress, seal 8 lateral walls of recess, thereby prevent that the molten steel from getting into inside the recess 8.

Further, in the above technical scheme, the top of the air nozzle 9 is connected with a high-pressure air pipe 14, and the high-pressure air pipe 14 penetrates through the heat conduction layer 5 and extends to the outside to be connected with an external high-pressure air pump, so that the external high-pressure air pump is favorably adopted to provide wind power for the air nozzle 9.

Further, in the above technical scheme, heating coil 7 and outside high frequency power supply electric connection, heating coil 7 is located the highly even winding setting of the outside of mouth of a river 3, is favorable to evenly heating the slag of mouth of a river 3 inner wall, increases the efficiency that melts of slag, improves the cleaning speed.

Further, in the above technical scheme, the cross-sectional shapes of the sliding sleeve 11 and the T-shaped rod 12 are both circular, and the number of the sliding sleeve 11 is four, and the sliding sleeve is uniformly arranged on the top of the piston 10, so that the piston 10 is always aligned with the groove 8 under the action of the T-shaped rod 12 and the sliding sleeve 11, and is prevented from being blocked when the position is restored.

Further, in above-mentioned technical scheme, the connector position of 3 tops of mouth of a river and lateral wall is provided with diversion arch 15, through diversion arch 15, changes the air current direction, provides the air current to 3 lateral walls of mouth of a river, diversion arch 15 sets up for the arc, 3 bottoms in mouth of a river set up for slope form, and 3 bottoms in the mouth of a river set up for slope, are favorable to making the molten steel flow out, prevent to have too much residue.

Further, in the above technical scheme, recess 8 is located 3 tops of mouth of a river and sets up in position all around, and quantity is four, and the contained angle between two adjacent recesses 8 is 90 degrees, is favorable to evenly providing the amount of wind to 3 lateral walls in the mouth of a river.

Further, in the above technical scheme, the steelmaking furnace body 1 is sequentially provided with a fire-resistant heat preservation layer 16, a heating layer 17 and a yoke layer 18 from inside to outside, a heating copper pipe 19 is laid inside the heating layer 17, wherein the heating steel pipe 19 is connected with an external heating medium, which is beneficial to heating and preserving the molten steel inside the steelmaking furnace body 1.

Further, in the above technical scheme, the heat conduction layer 5 is made of a graphene material, and the anti-adhesion layer 6 is made of a metal coating material.

The utility model discloses the theory of operation:

referring to the attached drawings 1-4 of the specification, when the device is used, the anti-sticking layer 6 is arranged, so that molten steel in a steel furnace cannot remain, the molten steel is prevented from remaining and solidifying, after long-time use, the anti-sticking function of the anti-sticking layer 6 is lost, an external high-frequency power supply is needed to electrify the heating coil 7, the heating coil 7 generates heat, the generated heat is transferred to the anti-sticking layer 6 through the heat conduction layer 5, the solidified steel slag remained on the anti-sticking layer 6 is melted, then an external high-pressure air pump is used for supplying air to the high-pressure air pipe 14, the high-pressure air flow is sprayed out through the air spraying head 9, so that the air pressure in the groove 8 is increased, the chute is pushed out from the inside of the groove 8, the upper section of the piston 10 is arranged in a circular truncated cone shape, the sprayed air flow is diffused to the periphery through the top of the piston 10, air is, the direction of the air flow sprayed to the position of the side wall is changed, the air flow flows downwards from the top of the side wall, molten steel melted on the side wall of the water gap 3 is blown out along the downward direction of the side wall, after the molten steel in the water gap 3 is completely blown out, the high-pressure air pump is stopped, the piston 10 is restored to the inside of the groove 8 under the action of the T-shaped rod 12, the spring 13 and the sliding sleeve 11, solidified molten steel in the water gap 3 is effectively and completely removed, the solidified molten steel is prevented from blocking the water gap 3, production interruption is caused, production efficiency is improved, the molten steel is blown out through the air nozzle 9, the molten steel after melting is effectively prevented from being melted with the molten steel flowing downwards in the steel making furnace body 1, two molten steel with different temperatures are mixed, the molten steel entering the subsequent steps in advance is not in accordance with the raw material temperature required by an ultra-micro-.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a mouth of a river anti-clogging device of steelmaking furnace for production of ultra-micro crystal area, includes steelmaking furnace body (1) and stopper stick (2), its characterized in that: the bottom of the steelmaking furnace body (1) is provided with a water gap (3), a discharge port (4) is arranged between the interior of the steelmaking furnace body (1) and the water gap (3), the bottom of the stopper rod (2) is matched with the discharge port (4), the side wall and the top wall of the water gap (3) are both filled with a heat conduction layer (5), the surface of the inner wall of the water gap (3) is paved with an anti-sticking layer (6), the periphery of the inner wall of the water gap (3) is positioned inside the heat conduction layer (5) and is embedded with a heating coil (7), the inner bottom wall of the water gap (3) is positioned inside the heat conduction layer (5) and is provided with a groove (8), the groove (8) is internally provided with an air nozzle (9) and a piston (10), the top of the piston (10) is fixedly connected with a sliding sleeve (11), the interior of the sliding sleeve (11) is movably inserted, and a section of the T-shaped rod (12) positioned inside the sliding sleeve (11) is sleeved with a spring (13).

2. A nozzle (3) anti-clogging device for a steel furnace for producing an ultra-fine ribbon according to claim 1, characterized in that: the piston (10) is divided into an upper part and a lower part, the upper section of the piston (10) is arranged in a circular truncated cone shape, and the lower section of the piston (10) is arranged in a cylindrical shape and is matched with the inner wall of the groove (8).

3. A nozzle (3) anti-clogging device for a steel furnace for producing an ultra-fine ribbon according to claim 1, characterized in that: the top of the air nozzle (9) is connected with a high-pressure air pipe (14), and the high-pressure air pipe (14) penetrates through the heat conduction layer (5) and extends to the outside to be connected with an external high-pressure air pump.

4. A nozzle (3) anti-clogging device for a steel furnace for producing an ultra-fine ribbon according to claim 1, characterized in that: the heating coil (7) is electrically connected with an external high-frequency power supply, and the heating coil (7) is positioned outside the water gap (3) and is uniformly wound.

5. A nozzle (3) anti-clogging device for a steel furnace for producing an ultra-fine ribbon according to claim 1, characterized in that: the cross-sectional shapes of the sliding sleeves (11) and the T-shaped rods (12) are all in circular arrangement, the number of the sliding sleeves (11) is four, and the sliding sleeves are located at the tops of the pistons (10) and are evenly arranged.

6. A nozzle (3) anti-clogging device for a steel furnace for producing an ultra-fine ribbon according to claim 1, characterized in that: the connecting opening position of the top of the water gap (3) and the side wall is provided with a turning bulge (15), the turning bulge (15) is arranged in an arc shape, and the bottom of the water gap (3) is arranged in a slope shape.

7. A nozzle (3) anti-clogging device for a steel furnace for producing an ultra-fine ribbon according to claim 1, characterized in that: the grooves (8) are arranged at the periphery of the top of the water gap (3), the number of the grooves is four, and the included angle between every two adjacent grooves (8) is 90 degrees.

8. A nozzle (3) anti-clogging device for a steel furnace for producing an ultra-fine ribbon according to claim 1, characterized in that: the steel-making furnace body (1) is provided with a fire-resistant heat preservation layer (16), a heating layer (17) and a magnetic yoke layer (18) from inside to outside in sequence, and a heating copper pipe (19) is laid inside the heating layer (17).

9. A nozzle (3) anti-clogging device for a steel furnace for producing an ultra-fine ribbon according to claim 1, characterized in that: the heat conduction layer (5) is made of graphene materials, and the anti-sticking layer (6) is made of metal coating materials.