Submerged arc furnace bottom assembly

Abstract

The utility model discloses a submerged arc furnace bottom assembly which comprises a furnace bottom shell, a third rod piece is rotationally installed at the bottom end of a first rod piece, a fourth rod piece is rotationally installed at the bottom end of a second rod piece, the bottom end of a U-shaped piece is fixedly connected with a fixed base plate, and the inner side of a left rotating shaft and the inner side of a right rotating shaft are spirally connected with a lead screw. The first hand wheel is rotated to drive the lead screw to drive the left rotating shaft and the right rotating shaft to move, the left rotating shaft and the right rotating shaft are close to each other or away from each other, the left rotating shaft drives the first rod piece to move, the right rotating shaft drives the second rod piece to move, and then the first rod piece drives the third rod piece to move. The second rod piece drives the fourth rod piece to move, lifting of the furnace bottom shell is adjusted through the rod pieces, a second hand wheel is rotated to drive the worm to rotate, the worm drives the worm gear to rotate, the worm gear can drive the lower positioning piece to move, the furnace bottom shell can incline, slag in the submerged arc furnace can be guided and discharged, and the cleaning process is safer.

Description

Technical Field

[0001] The utility model relates to the technical field of furnace bottoms of submerged arc furnaces, in particular to a furnace bottom assembly of a submerged arc furnace. Background Art

[0002] Submerged arc furnace is an industrial electric furnace mainly used for reducing smelting ore, by using carbon or magnesia refractory materials as furnace lining and self-heating electrodes for submerged arc operation. In the submerged arc furnace, the electrodes are inserted into the charge, and the energy of the arc and the heat generated by the resistance of the charge when the current passes through the charge are used to melt the metal. Submerged arc furnace is mainly used to produce ferroalloys such as ferrosilicon, ferromanganese, ferrochrome, ferrotungsten, silicon manganese alloy, etc.

[0003] During the production activities of the submerged arc furnace, impurities in the ore will precipitate to form slag, and these slags need to be discharged from the submerged arc furnace regularly to avoid the problem of reduced production efficiency of the submerged arc furnace. In addition, long-term heat accumulation at the bottom of the submerged arc furnace can easily reduce the service life of the submerged arc furnace.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a furnace bottom assembly of an electric arc furnace to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] The cam is provided with a toothed plate, and the toothed plate ...

[0008] As a further solution of the utility model, the upper end of the heat dissipation pipe is a water inlet, the lower end of the heat dissipation pipe is a water outlet, and the upper end of the heat dissipation pipe is connected to a booster water pump.

[0009] As a further solution of the utility model, mounting holes are provided on the inner sides of the four corners of the fixed base plate, and the worm is rotatably connected to the fixed base plate.

[0010] As a further solution of the utility model, the right end of the screw is fixedly connected to a first hand wheel, and the right end of the worm is fixedly connected to a second hand wheel.

[0011] As a further solution of the utility model, the screw rod is provided with opposite threads, and the opposite threads on the screw rod are arranged in horizontal symmetry.

[0012] As a further solution of the utility model, the rotating shaft of the worm wheel passes through the U-shaped piece, and the worm wheel is rotatably connected to the U-shaped piece.

[0013] As a further solution of the utility model, the furnace bottom shell is arranged in a boss shape, and the first rod, the second rod, the third rod and the fourth rod are each provided with two front and rear groups.

[0014] The beneficial effects of the utility model are:

[0015] The utility model arranges a furnace bottom shell, a first rod, a second rod, a third rod, a fourth rod, a left rotating shaft, a right rotating shaft, a screw rod, a worm wheel, a worm, etc., and rotates the first hand wheel to drive the screw rod so that the screw rod drives the left rotating shaft and the right rotating shaft to move, and the left rotating shaft and the right rotating shaft approach or move away from each other, the left rotating shaft drives the first rod to move, the right rotating shaft drives the second rod to move, and then the first rod drives the third rod to move, and the second rod drives the fourth rod to move, and the movement of the rods adjusts the lifting of the furnace bottom shell, so that the furnace bottom shell and the ore-fired furnace can be quickly combined or separated, and the worm is driven to rotate by rotating the second hand wheel, and the worm drives the worm wheel to rotate, and the worm wheel can drive the lower positioning member to move, so that the furnace bottom shell 1 can be tilted, so that the slag in the ore-fired furnace can be guided and discharged, making the cleaning process safer.

[0016] The utility model is provided with a furnace bottom shell, a heat dissipation pipe, a support member, etc. The support member can protect the safety of the heat dissipation pipe and guide the heat to the heat dissipation pipe for centralized heat dissipation. The water pump is connected with the heat dissipation pipe through the water pipe. After the water pump is pressurized, cold water circulates in the heat dissipation pipe at a high speed, and the temperature of the furnace bottom is quickly reduced. The obtained hot water can be used for heating, etc., for reuse. This set of device can also prevent the furnace bottom component from maintaining a constant temperature, avoid heat accumulation, and extend the service life of the electric arc furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of a furnace bottom assembly of a submerged arc furnace according to an embodiment of the utility model;

[0019] Figure 2 It is a schematic diagram of the installation structure of an upper positioning member and a lower positioning member of a furnace bottom assembly of an ore-bearing furnace according to an embodiment of the utility model;

[0020] Figure 3 It is a schematic diagram of the overall structure of a screw rod of a furnace bottom assembly of an electric arc furnace according to an embodiment of the utility model;

[0021] Figure 4 It is a schematic diagram of the installation structure of a worm and a worm wheel of a furnace bottom assembly of an electric arc furnace according to an embodiment of the utility model;

[0022] Figure 5 The utility model is a schematic diagram of the overall structure of a heat dissipation pipe and a support member of a furnace bottom assembly of an electric arc furnace according to an embodiment of the utility model.

[0023] In the figure:

[0024] 1. Furnace bottom shell; 2. Heat dissipation pipe; 3. Support member; 4. Upper positioning member; 5. First rod member; 6. Second rod member; 7. Third rod member; 8. Fourth rod member; 9. Left rotating shaft; 10. Right rotating shaft; 11. Screw; 12. First hand wheel; 13. Lower positioning member; 14. U-shaped member; 15. Fixed base plate; 16. Worm wheel; 17. Worm; 18. Second hand wheel. DETAILED DESCRIPTION

[0025] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0026] According to an embodiment of the utility model, a furnace bottom assembly of an electric arc furnace is provided.

[0027] Please refer to the instruction manual Figure 1-5According to an embodiment of the utility model, a furnace bottom assembly of a mineral arc furnace comprises a furnace bottom shell 1, a heat dissipation pipe 2 is fixedly installed on the inner side of the furnace bottom shell 1, a support member 3 is arranged on the outer side of the heat dissipation pipe 2, an upper positioning member 4 is fixedly connected to the bottom of the furnace bottom shell 1, a first rod member 5 is rotatably installed on the inner left end of the upper positioning member 4, a second rod member 6 is rotatably installed on the inner right end of the upper positioning member 4, a third rod member 7 is rotatably installed on the bottom end of the first rod member 5, a fourth rod member 8 is rotatably installed on the bottom end of the second rod member 6, and the third A lower positioning member 13 is rotatably installed at the bottom end of the rod member 7 and the fourth rod member 8, a U-shaped member 14 is rotatably installed on the outer side of the lower positioning member 13, and a fixed base plate 15 is fixedly connected to the bottom end of the U-shaped member 14. A left rotating shaft 9 is rotatably connected between the front and rear first rod members 5, and a right rotating shaft 10 is rotatably connected between the front and rear second rod members 6. A screw 11 is spirally connected to the inner sides of the left rotating shaft 9 and the right rotating shaft 10, a worm gear 16 is fixedly connected to the outer side of the lower positioning member 13, and a worm 17 is meshingly connected to the outer side of the worm gear 16.

[0028] When the device is used, the first hand wheel 12 is rotated to drive the screw rod 11 to rotate, and the screw rod 11 drives the left rotating shaft 9 and the right rotating shaft 10 to move, so that the left rotating shaft 9 and the right rotating shaft 10 are moved closer to or farther from each other, and the left rotating shaft 9 drives the first rod 5 to move, and the right rotating shaft 10 drives the second rod 6 to move, and then the first rod 5 drives the third rod 7 to move, and the second rod 6 drives the fourth rod 8 to move, and the movement of the rods adjusts the lifting of the furnace bottom shell 1, so that the furnace bottom shell 1 and the ore-fired furnace can be quickly combined or separated. By rotating the second hand wheel 18, the worm 17 is driven to rotate, and the worm 17 drives the worm wheel 16 to rotate. The worm wheel 16 can drive the lower positioning member 13 to move, so that the furnace bottom shell 1 can be tilted, so that the slag in the ore-heating furnace can be guided and discharged, making the cleaning process safer. The support member 3 can protect the safety of the heat dissipation pipe 2, and guide the heat to the heat dissipation pipe for centralized heat dissipation. The water pump is connected to the heat dissipation pipe 2 through the water pipe. After the water pump is pressurized, cold water circulates in the heat dissipation pipe at a high speed, and the temperature of the furnace bottom is quickly reduced.

[0029] In one embodiment, please refer to the attached specification Figure 1-5 As a further solution of the utility model, the upper end of the heat dissipation pipe 2 is a water inlet, the lower end of the heat dissipation pipe 2 is a water outlet, and the upper end of the heat dissipation pipe 2 is connected to a booster water pump.

[0030] Cold water is flowed into the heat pipe at high speed through a booster water pump. The cold water absorbs the temperature of the furnace bottom, and the water flow that absorbs the temperature can be reused for heating, etc.

[0031] In another embodiment, please refer to the attached Figure 1-5As a further solution of the present invention, mounting holes are provided at the inner sides of the four corners of the fixed base plate 15 , and the worm 17 is rotatably connected to the fixed base plate 15 .

[0032] The fixed base plate 15 is fixed to the ground by bolts, so that the furnace bottom shell is directly below the ore-fired furnace. The fixed base plate 15 also enables the worm 17 to be positioned and rotated stably.

[0033] In one embodiment, please refer to the attached specification Figure 1-5 As a further solution of the utility model, the right end of the screw rod 11 is fixedly connected to the first hand wheel 12, the right end of the worm 17 is fixedly connected to the second hand wheel 18, the screw rod 11 is provided with opposite threads, and the opposite threads on the screw rod 11 are horizontally symmetrically arranged, the rotating shaft of the worm wheel 16 passes through the U-shaped member 14, and the worm wheel 16 is rotatably connected to the U-shaped member 14.

[0034] The worm 17 is driven to rotate by rotating the second hand wheel 18 , and the worm 17 drives the worm wheel 16 to rotate. The worm wheel 16 can drive the lower positioning member 13 to move, thereby allowing the furnace bottom shell 1 to tilt.

[0035] In another embodiment, please refer to the attached Figure 1-5 As a further solution of the utility model, the furnace bottom shell 1 is arranged in a boss shape, and the first rod 5, the second rod 6, the third rod 7 and the fourth rod 8 are all provided with two front and rear groups.

[0036] The four groups of rods can move relative to each other to raise or lower the furnace bottom shell.

[0037] When in use, the first hand wheel 12 is rotated to drive the screw rod 11 to rotate, and the screw rod 11 drives the left rotating shaft 9 and the right rotating shaft 10 to move, so that the left rotating shaft 9 and the right rotating shaft 10 are moved closer to or farther away from each other, the left rotating shaft 9 drives the first rod 5 to move, and the right rotating shaft 10 drives the second rod 6 to move, and then the first rod 5 drives the third rod 7 to move, and the second rod 6 drives the fourth rod 8 to move, and the movement of the rods adjusts the lifting of the furnace bottom shell 1, so that the furnace bottom shell 1 and the ore-fired furnace can be quickly combined or separated. By rotating the second hand wheel 18, the worm 17 is driven to rotate, and the worm 17 drives the worm wheel 16 to rotate. The worm wheel 16 can drive the lower positioning member 13 to move, so that the furnace bottom shell 1 can be tilted, so that the slag in the ore-heating furnace can be guided and discharged, making the cleaning process safer. The support member 3 can protect the safety of the heat dissipation pipe 2, and guide the heat to the heat dissipation pipe for centralized heat dissipation. The water pump is connected to the heat dissipation pipe 2 through the water pipe. After the water pump is pressurized, cold water circulates in the heat dissipation pipe at a high speed, and the temperature of the furnace bottom is quickly reduced.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A furnace bottom assembly of a submerged arc furnace, comprising a furnace bottom shell (1), characterized in that: A heat dissipation pipe (2) is fixedly mounted on the inner side of the furnace bottom shell (1), a support member (3) is provided on the outer side of the heat dissipation pipe (2), an upper positioning member (4) is fixedly connected to the bottom of the furnace bottom shell (1), a first rod member (5) is rotatably mounted on the inner left end of the upper positioning member (4), a second rod member (6) is rotatably mounted on the inner right end of the upper positioning member (4), a third rod member (7) is rotatably mounted on the bottom end of the first rod member (5), a fourth rod member (8) is rotatably mounted on the bottom end of the second rod member (6), and the bottom ends of the third rod member (7) and the fourth rod member (8) are rotatably mounted. A lower positioning member (13) is installed, a U-shaped member (14) is rotatably installed on the outer side of the lower positioning member (13), a fixed base plate (15) is fixedly connected to the bottom end of the U-shaped member (14), a left rotating shaft (9) is rotatably connected between the front and rear first rod members (5), a right rotating shaft (10) is rotatably connected between the front and rear second rod members (6), a screw rod (11) is spirally connected to the inner sides of the left rotating shaft (9) and the right rotating shaft (10), a worm wheel (16) is fixedly connected to the outer side of the lower positioning member (13), and a worm (17) is meshingly connected to the outer side of the worm wheel (16).

2. The furnace bottom assembly of a submerged arc furnace according to claim 1, characterized in that: The upper end opening of the heat dissipation pipe (2) is a water inlet, the lower end opening of the heat dissipation pipe (2) is a water outlet, and the upper end opening of the heat dissipation pipe (2) is connected to a booster water pump.

3. The furnace bottom assembly of a submerged arc furnace according to claim 1, characterized in that: Mounting holes are provided on the inner sides of the four corners of the fixed base plate (15), and the worm (17) is rotatably connected to the fixed base plate (15).

4. The furnace bottom assembly of a submerged arc furnace according to claim 1, characterized in that: The right end of the screw rod (11) is fixedly connected to a first hand wheel (12), and the right end of the worm (17) is fixedly connected to a second hand wheel (18).

5. The furnace bottom assembly of a submerged arc furnace according to claim 1, characterized in that: The screw rod (11) is provided with opposite threads, and the opposite threads on the screw rod (11) are arranged in horizontal symmetry.

6. The furnace bottom assembly of a submerged arc furnace according to claim 1, characterized in that: The rotating shaft of the worm wheel (16) passes through the U-shaped member (14), and the worm wheel (16) is rotatably connected to the U-shaped member (14).

7. The furnace bottom assembly of a submerged arc furnace according to claim 1, characterized in that: The furnace bottom shell (1) is arranged in the form of a boss, and the first rod (5), the second rod (6), the third rod (7) and the fourth rod (8) are each provided with two front and rear groups.

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