CN213507057U

CN213507057U - Device for adding steelmaking auxiliary materials into converter

Info

Publication number: CN213507057U
Application number: CN202120079339.0U
Authority: CN
Inventors: 郭强
Original assignee: Shandong Province Metallurgical Engineering Co Ltd
Current assignee: Shandong Province Metallurgical Engineering Co Ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-06-22
Anticipated expiration: 2031-01-13

Abstract

The utility model provides a device for adding steelmaking auxiliary materials into a converter. The device for adding the steelmaking auxiliary materials into the converter comprises a hopper; the four fixing plates are all fixedly arranged on the outer wall of the hopper and are rotationally and symmetrically distributed; the carrier plate is arranged above the hopper; the four lifting ropes are respectively and fixedly arranged on the four fixing plates, and the top ends of the four lifting ropes are fixedly connected with the support plate; the feeding pipe is fixedly arranged at the bottom of the hopper; the fixed frame is fixedly arranged at the top of the hopper; the internal thread rotating pipe is rotatably arranged on the fixed frame. The utility model provides a device of converter is added to steelmaking auxiliary material has and carries out the auxiliary material in can sneaking into the molten iron and deliver, be favorable to reducing the advantage of the whole input of auxiliary material.

Description

Device for adding steelmaking auxiliary materials into converter

Technical Field

The utility model relates to a steelmaking technical field especially relates to a device that converter was added to steelmaking auxiliary material.

Background

The steel smelting is a general term of the steel metallurgical process, most of modern steel making adopts a converter, and in the smelting process, in order to remove impurities such as phosphorus, sulfur and the like and cause furnace slag with good reactivity and proper amount, auxiliary raw materials such as metallurgical flux such as lime, light-burned dolomite or fluorite and the like need to be added.

In the prior art, an auxiliary material feeding port is formed in the side wall of a vertical flue, auxiliary materials fall into a converter under the action of gravity, and a part of auxiliary materials with smaller particles enter a dust removal system along with flue gas.

Therefore, there is a need to provide a new device for adding steelmaking auxiliary materials into a converter to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a can dive carry out the auxiliary material in the molten iron and deliver, be favorable to reducing the device that converter was added to steelmaking auxiliary material of the whole input of auxiliary material.

In order to solve the technical problem, the utility model provides a device that converter was added to steelmaking auxiliary material includes: a hopper; the four fixing plates are all fixedly arranged on the outer wall of the hopper and are rotationally and symmetrically distributed; the carrier plate is arranged above the hopper; the four lifting ropes are respectively and fixedly arranged on the four fixing plates, and the top ends of the four lifting ropes are fixedly connected with the support plate; the feeding pipe is fixedly arranged at the bottom of the hopper; the fixed frame is fixedly arranged at the top of the hopper; the internal thread rotating pipe is rotatably arranged on the fixed frame; the long screw is installed in the internal thread rotating pipe in a threaded mode, the top end of the long screw extends to the upper portion of the fixing frame, and the bottom end of the long screw extends into the hopper; the upper connecting plate is fixedly arranged at the top end of the long screw; the limiting slide rod is slidably mounted on the fixing frame, and the top end of the limiting slide rod extends to the upper part of the fixing frame and is fixedly connected with the upper connecting plate; the lower connecting plate is fixedly installed at the bottom end of the long screw rod, and the bottom end of the limiting slide rod is fixedly connected with the lower connecting plate; the core rod is arranged in the feeding pipe, and the top end of the core rod extends into the hopper and is fixedly connected with the lower connecting plate; the lower blocking block is arranged at an opening at the bottom of the feeding pipe, and the top of the lower blocking block extends into the feeding pipe and is fixedly connected with the core rod; the push block is arranged in the hopper and fixedly sleeved on the core rod; the first gear is fixedly sleeved on the internal thread rotating pipe; the speed reducing motor is fixedly arranged at the top of the fixing frame; and the second gear is fixedly sleeved on the output shaft of the speed reducing motor and is meshed with the first gear.

Preferably, a hanging ring is fixedly welded at the top of the carrier plate.

Preferably, the feeding pipe, the core rod, the lower blocking block and the pushing block are all made of refractory clay materials.

Preferably, a fixing hole is formed in the top of the fixing frame, the internal thread rotating pipe penetrates through the fixing hole, a bearing is fixedly sleeved on the outer wall of the internal thread rotating pipe, and the outer ring of the bearing is fixedly connected with the inner wall of the fixing hole.

Preferably, the top of the fixing frame is provided with a limiting sliding hole, and the limiting sliding rod penetrates through the limiting sliding hole and is in sliding connection with the inner wall of the limiting sliding hole.

Preferably, the top of mount has a mounting panel, gear motor fixed mounting be in on one side outer wall of mounting panel.

Compared with the prior art, the utility model provides a device that converter was added to steelmaking auxiliary material has following beneficial effect:

the utility model provides a device of converter is added to steelmaking auxiliary material, the auxiliary material can be automatic after dropping into in the hopper enter into the pan feeding pipe, through the cooperation with hoisting equipment, can make the bottom of pan feeding pipe sneak into in the converter molten iron, start gear motor operation back, can finally drive the core bar downstream, make sprue and ejector pad downstream down then, the ejector pad can push the interior auxiliary material of pan feeding pipe in the molten iron, whole in-process, the flue gas that rises in the converter can not lead to the fact the influence to the auxiliary material, the granule of the auxiliary material that uses can be littleer, and the auxiliary material enters into in the molten iron by the following position in iron slag layer, very big when having avoided extravagant, also can accelerate the reaction rate of auxiliary material and molten iron.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of the apparatus for adding steelmaking auxiliary materials into a converter according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B shown in fig. 1.

Reference numbers in the figures: 1. a hopper; 2. a fixing plate; 3. a carrier plate; 4. a lifting rope; 5. a feeding pipe; 6. a fixed mount; 7. rotating the pipe by internal threads; 8. a long screw; 9. an upper connecting plate; 10. a limiting slide bar; 11. a lower connecting plate; 12. a core bar; 13. a lower plugging block; 14. a push block; 15. a first gear; 16. a reduction motor; 17. a second gear.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to fig. 3, fig. 1 is a schematic structural diagram of a device for adding steelmaking auxiliary materials into a converter according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; fig. 3 is an enlarged schematic view of a portion B shown in fig. 1. The device for adding the steelmaking auxiliary materials into the converter comprises: a hopper 1; the four fixing plates 2 are all fixedly arranged on the outer wall of the hopper 1, and the four fixing plates 2 are rotationally and symmetrically distributed; a carrier plate 3, wherein the carrier plate 3 is arranged above the hopper 1; the four lifting ropes 4 are respectively and fixedly arranged on the four fixing plates 2, and the top ends of the four lifting ropes 4 are fixedly connected with the carrier plate 3; the feeding pipe 5 is fixedly arranged at the bottom of the hopper 1; the fixing frame 6 is fixedly arranged at the top of the hopper 1; the internal thread rotating pipe 7 is rotatably arranged on the fixed frame 6; the long screw 8 is installed in the internal thread rotating pipe 7 in a threaded mode, the top end of the long screw 8 extends to the upper portion of the fixing frame 6, and the bottom end of the long screw 8 extends into the hopper 1; the upper connecting plate 9 is fixedly arranged at the top end of the long screw 8; the limiting slide rod 10 is slidably mounted on the fixed frame 6, and the top end of the limiting slide rod 10 extends to the upper part of the fixed frame 6 and is fixedly connected with the upper connecting plate 9; the lower connecting plate 11 is fixedly installed at the bottom end of the long screw 8, and the bottom end of the limiting slide rod 10 is fixedly connected with the lower connecting plate 11; the core rod 12 is arranged in the feeding pipe 5, and the top end of the core rod 12 extends into the hopper 1 and is fixedly connected with the lower connecting plate 11; the lower blocking block 13 is arranged at the opening at the bottom of the feeding pipe 5, and the top of the lower blocking block 13 extends into the feeding pipe 5 and is fixedly connected with the core rod 12; the push block 14 is arranged in the hopper 1, the push block 14 is fixedly sleeved on the core rod 12, and the maximum diameter of the push block 14 is slightly smaller than the inner diameter of the feeding pipe 5; the first gear 15 is fixedly sleeved on the internal thread rotating pipe 7; the speed reducing motor 16 is fixedly arranged at the top of the fixing frame 6; and the second gear 17 is fixedly sleeved on the output shaft of the speed reducing motor 16, and the second gear 17 is meshed with the first gear 15.

And a lifting ring is fixedly welded at the top of the carrier plate 3.

The feeding pipe 5, the core rod 12, the lower block 13 and the pushing block 14 are all made of refractory clay materials and have the advantage of high temperature resistance, and the outer surfaces and the inner surfaces of the feeding pipe 5, the core rod 12, the lower block 13 and the pushing block 14 are polished, so that the adhesion of molten iron can be reduced.

The top of the fixing frame 6 is provided with a fixing hole, the internal thread rotating pipe 7 penetrates through the fixing hole, the outer wall of the internal thread rotating pipe 7 is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the fixing hole.

The top of the fixed frame 6 is provided with a limiting slide hole, and the limiting slide rod 10 penetrates through the limiting slide hole and is in sliding connection with the inner wall of the limiting slide hole.

The top fixed mounting of mount 6 has the mounting panel, gear motor 16 fixed mounting be in on one side outer wall of mounting panel.

The utility model provides a device for adding converter into steelmaking auxiliary materials has the following working principle:

when the device is used, the device is hung on a lifting hook of hoisting equipment through a lifting ring, the whole device is positioned right above a converter flue gas pipeline, an avoidance through hole needs to be formed in the top of the flue gas pipeline, when auxiliary materials need to be put into molten iron in a converter, the auxiliary materials are firstly put into a hopper 1, a push block 14 is positioned in the hopper 1 in an initial state, the falling of the auxiliary materials cannot be influenced, the auxiliary materials can enter a feeding pipe 5 under the action of gravity, and the auxiliary materials can be ensured not to further fall temporarily because a lower blocking block 13 is arranged at an opening in the bottom of the feeding pipe 5 for blocking;

the device is gradually lowered by hoisting equipment, the bottom end of a feeding pipe 5 firstly extends into a flue gas pipeline and then enters a converter, finally, the bottom end of the feeding pipe 5 penetrates through an iron slag layer on the top of molten iron and enters the molten iron, then, an output shaft of a speed reducing motor 16 is started to rotate in a forward direction, the speed reducing motor 16 drives a second gear 17 to rotate, an internal thread rotating pipe 7 is driven to rotate in a reverse direction through meshing transmission of the second gear 17 and a first gear 15, as a long screw 8 is in threaded connection with the internal thread rotating pipe 7 and the long screw 8 is limited by a limiting slide rod 10, the long screw 8 is driven to move downwards in the reverse rotation process of the internal thread rotating pipe 7, the long screw 8 drives a core rod 12 to move downwards through a lower connecting plate 11, the core rod 12 drives a push block 14 and a lower blocking block 13 to move downwards, an opening at the bottom of the feeding pipe 5 is opened, auxiliary materials in the feeding pipe 5 can be in, and the auxiliary materials can be pushed to move downwards in the descending process of the push block 14, so that the auxiliary materials in the feeding pipe 5 can be pushed into the molten iron completely.

the utility model provides a device of converter is added to steelmaking auxiliary material, the auxiliary material can be automatic after dropping into hopper 1 in entering into pan feeding pipe 5, through the cooperation with hoisting equipment, can make the bottom of pan feeding pipe 5 sneak into in the converter molten iron, start gear motor 16 operation back, can finally drive core bar 12 downstream, make sprue 13 and ejector pad 14 downstream down then, ejector pad 14 can be with the auxiliary material in the pan feeding pipe 5 in the molten iron, whole in-process, the flue gas that rises in the converter can not lead to the fact the influence to the auxiliary material, the granule of the auxiliary material that uses can be littleer, and the auxiliary material enters into the molten iron by the position below the iron slag layer, very big when having avoided extravagant, also can accelerate the reaction rate of auxiliary material and molten iron.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A device for adding steelmaking auxiliary materials into a converter is characterized by comprising:

a hopper;

the four fixing plates are all fixedly arranged on the outer wall of the hopper and are rotationally and symmetrically distributed;

the carrier plate is arranged above the hopper;

the four lifting ropes are respectively and fixedly arranged on the four fixing plates, and the top ends of the four lifting ropes are fixedly connected with the support plate;

the feeding pipe is fixedly arranged at the bottom of the hopper;

the fixed frame is fixedly arranged at the top of the hopper;

the internal thread rotating pipe is rotatably arranged on the fixed frame;

the long screw is installed in the internal thread rotating pipe in a threaded mode, the top end of the long screw extends to the upper portion of the fixing frame, and the bottom end of the long screw extends into the hopper;

the upper connecting plate is fixedly arranged at the top end of the long screw;

the limiting slide rod is slidably mounted on the fixing frame, and the top end of the limiting slide rod extends to the upper part of the fixing frame and is fixedly connected with the upper connecting plate;

the lower connecting plate is fixedly installed at the bottom end of the long screw rod, and the bottom end of the limiting slide rod is fixedly connected with the lower connecting plate;

the core rod is arranged in the feeding pipe, and the top end of the core rod extends into the hopper and is fixedly connected with the lower connecting plate;

the lower blocking block is arranged at an opening at the bottom of the feeding pipe, and the top of the lower blocking block extends into the feeding pipe and is fixedly connected with the core rod;

the push block is arranged in the hopper and fixedly sleeved on the core rod;

the first gear is fixedly sleeved on the internal thread rotating pipe;

the speed reducing motor is fixedly arranged at the top of the fixing frame;

and the second gear is fixedly sleeved on the output shaft of the speed reducing motor and is meshed with the first gear.

2. The apparatus of claim 1, wherein a lifting ring is fixedly welded to the top of the carrier plate.

3. The apparatus of claim 1, wherein the inlet tube, the core rod, the lower plug, and the push block are made of a refractory clay.

4. The device for adding the steelmaking auxiliary materials into the converter according to claim 1, wherein a fixing hole is formed in the top of the fixing frame, the internal thread rotating pipe penetrates through the fixing hole, a bearing is fixedly sleeved on the outer wall of the internal thread rotating pipe, and the outer ring of the bearing is fixedly connected with the inner wall of the fixing hole.

5. The device for adding steelmaking auxiliary materials into a converter according to claim 1, wherein a limiting slide hole is formed in the top of the fixed frame, and the limiting slide rod penetrates through the limiting slide hole and is connected with the inner wall of the limiting slide hole in a sliding manner.

6. The apparatus as claimed in claim 1, wherein a mounting plate is fixedly installed on the top of the fixing frame, and the speed reduction motor is fixedly installed on the outer wall of one side of the mounting plate.