CN220853069U - Water ring of furnace cover of electric arc furnace - Google Patents
Water ring of furnace cover of electric arc furnace Download PDFInfo
- Publication number
- CN220853069U CN220853069U CN202322560489.5U CN202322560489U CN220853069U CN 220853069 U CN220853069 U CN 220853069U CN 202322560489 U CN202322560489 U CN 202322560489U CN 220853069 U CN220853069 U CN 220853069U
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- circular surface
- ring
- water
- electric arc
- cooling
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000010891 electric arc Methods 0.000 title claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 41
- 238000005192 partition Methods 0.000 claims abstract description 15
- 239000000498 cooling water Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model provides an electric arc furnace bell water circle, belongs to metallurgical equipment technical field, solves the very easy fracture of bell water circle bottom welding seam or the technical problem who peels off, and the solution is: the water ring of the furnace cover of the electric arc furnace comprises a ring body, a water inlet, a water outlet, a cooling circulating pipe and a baffle plate, wherein the cooling circulating pipe is arranged at the bottom corner position of the inner side of the hollow inner cavity of the ring body, the baffle plate is arranged between the surfaces of the outer circular surface and the inner circular surface which are opposite, and the baffle plate penetrates through the cooling circulating pipe; the outer circular surface on the same side of the partition plate is provided with a water inlet and a water outlet respectively, the lower end of the water inlet is communicated with the cooling circulation pipe, and the cooling circulation pipe on the other side of the partition plate is provided with a water outlet. According to the utility model, the cooling circulation pipe is added at the bottom angle position of the inner cavity of the water ring of the furnace cover of the hollow electric arc furnace, the circulation path of cooling water is increased, the cooling effect at the bottom angle position is enhanced, and the effects of reducing maintenance frequency and prolonging service life are achieved.
Description
Technical Field
The utility model belongs to the technical field of metallurgical equipment, and particularly relates to a water ring of an electric arc furnace cover.
Background
Industrial furnaces, which produce electric arc heating by means of metallic or nonmetallic electrodes, are called arc furnaces (ELECTRIC ARC furnace), which can be classified into three-phase arc furnaces, consumable arc furnaces, single-phase arc furnaces, resistive arc furnaces, etc., according to the form of electric arcs. The furnace body of the electric arc steelmaking furnace consists of a furnace cover, a furnace door, a steel tapping groove and a furnace body, and the furnace bottom and the furnace wall are built by using alkaline refractory materials or acid refractory materials.
In the smelting process, the furnace cover water ring of the electric arc furnace is influenced by factors such as thermal shock, chemical erosion, arc radiation and the like, so that the bottom temperature is particularly high, the erosion is serious, the welding seam at the bottom of the water ring of the furnace cover is extremely easy to crack or peel off, the service life of the water ring of the furnace cover is influenced, and further, the frequent maintenance of the furnace is caused, and the production efficiency is also influenced while the maintenance cost is increased.
Disclosure of utility model
The utility model mainly aims to overcome the defects in the prior art and solve the technical problem that a weld joint at the bottom of a water ring of a furnace cover is easy to crack or peel.
The utility model is realized by the following technical scheme:
The utility model provides an electric arc furnace bell water circle, includes circle body, water inlet, delivery port, cooling circulation pipe and baffle, the circle body includes lower end ring, outer disc, upper end ring and interior disc, wherein: the outer circular surface of the ring body is a cylindrical surface arranged along the vertical direction, the inner circular surface is a conical surface with an upward opening, the lower end of the outer circular surface is fixedly connected with the outer edge of the lower end ring, the upper end of the outer circular surface is fixedly connected with the outer edge of the upper end ring, the inner edge of the upper end ring is fixedly connected with the upper end of the inner circular surface, and the lower end of the inner circular surface and the inner edge of the lower end ring are fixedly connected with the outer wall of the cooling circulation pipe;
The baffle plate is arranged between the surfaces of the outer circular surface and the inner circular surface which are opposite to each other at any position of the hollow inner cavity in the ring body, and penetrates through the cooling circulation pipe; the outer circular surface on the same side of the partition plate is provided with a water inlet and a water outlet respectively, the lower end of the water inlet is communicated with the cooling circulation pipe, and the cooling circulation pipe on the other side of the partition plate is provided with a water outlet.
Further, the water inlet is lower than the water outlet in level.
Further, the lower end of the inner circular surface and the inner edge of the lower end ring are tangential to the outer wall of the cooling circulation pipe.
Further, the diameter of the outer circular surface is 3340mm; the diameter of the outer circle of the upper end ring is 3360mm, and the diameter of the inner circle of the upper end ring is 3174mm; the diameter of the position where the lower end of the inner circular surface is fixedly connected with the cooling circulation pipe is 3021mm, and the diameter of the position where the inner edge of the lower end ring is fixedly connected with the cooling circulation pipe is 3120mm.
Further, the included angle between the generatrix of the inner circular surface and the plane of the lower end ring is 65-70 degrees.
The beneficial effects of the utility model are as follows:
the utility model adopts the tubular water-cooled furnace cover, and the cooling water is introduced into the cooling circulation pipe, so that the power level of the electric arc furnace is improved, the service life is prolonged, the furnace repairing times are reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic top view partially enlarged schematic construction of a water ring of a furnace cover of an electric arc furnace in the prior art;
FIG. 2 is a schematic view of the rotational cross-sectional structure of the A-A plane of FIG. 1;
FIG. 3 is a schematic top view of a partial enlarged structure of a water ring of a furnace cover of an electric arc furnace according to the present utility model;
FIG. 4 is a schematic view of the rotary cross-sectional structure of the B-B plane in FIG. 3;
Fig. 5 is a schematic view of the separator of fig. 3 in partial cross-section at position C.
In the figure, 1 is a lower end ring, 2 is an outer circular surface, 3 is a water inlet, 4 is a water outlet, 5 is an upper end ring, 6 is an inner circular surface, 7 is a cooling circulation pipe, 8 is a partition plate, and 9 is a water outlet.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples.
As shown in fig. 1 and 2, the water ring of the furnace cover of the electric arc furnace commonly used in the prior art comprises a ring body, a water inlet 3, a water outlet 4 and a partition plate 8, wherein the ring body comprises a lower end ring 1, an outer circular surface 2, an upper end ring 5 and an inner circular surface 6, and the water ring comprises the following components: the outer circular surface 2 of the ring body is a cylindrical surface arranged along the vertical direction, the inner circular surface 6 is a conical surface with an upward opening, the lower end of the outer circular surface 2 is fixedly connected with the outer edge of the lower end ring 1, the upper end of the outer circular surface 2 is fixedly connected with the outer edge of the upper end ring 5, and the inner edge of the upper end ring 5 is fixedly connected with the upper end of the inner circular surface 6; in the arbitrary position department of the internal hollow inner chamber of circle, baffle 8 sets up between the surface that outer disc 2 and interior disc 6 are relative, sets up water inlet 3 and delivery port 4 on the outer disc 2 of baffle 8 both sides respectively, the level of water inlet 3 is less than the level of delivery port 4, and the cooling water carries out the cooling cycle in sending into the hollow inner chamber of the circle body by water inlet 3 in prior art, then delivery port 4 discharge circle body, and circulating water only carries out once circulation in the circle body.
The water ring of the furnace cover of the electric arc furnace as shown in fig. 3 to 5 comprises a ring body, a water inlet 3, a water outlet 4, a cooling circulation pipe 7 and a partition plate 8, wherein the ring body comprises a lower end ring 1, an outer circular surface 2, an upper end ring 5 and an inner circular surface 6, and the water ring comprises the following components: the outer circular surface 2 of the ring body is a cylindrical surface arranged along the vertical direction, the inner circular surface 6 is a conical surface with an upward opening, the lower end of the outer circular surface 2 is fixedly connected with the outer edge of the lower end ring 1, the upper end of the outer circular surface 2 is fixedly connected with the outer edge of the upper end ring 5, the inner edge of the upper end ring 5 is fixedly connected with the upper end of the inner circular surface 6, the lower end of the inner circular surface 6 and the inner edge of the lower end ring 1 are fixedly connected with the outer wall of the cooling circulation pipe 7, the lower end of the inner circular surface 6 and the inner edge of the lower end ring 1 are tangent to the outer wall of the cooling circulation pipe 7, and the included angle between the generatrix of the inner circular surface 6 and the plane of the lower end ring 1 is 65 degrees; in this embodiment, the diameter of the outer circular surface 2 is 3340mm; the diameter of the outer circle of the upper end ring 5 is 3360mm, and the diameter of the inner circle of the upper end ring 5 is 3174mm; the diameter of the position where the lower end of the inner circular surface 6 is fixedly connected with the cooling circulation pipe 7 is 3021mm, and the diameter of the position where the inner edge of the lower end ring 1 is fixedly connected with the cooling circulation pipe 7 is 3120mm;
At any position of the hollow inner cavity in the ring body, the partition plate 8 is arranged between the surfaces of the outer circular surface 2 and the inner circular surface 6, and the partition plate 8 penetrates through the cooling circulation pipe 7; the water inlet 3 and the water outlet 4 are respectively arranged on the outer circular surface on the same side of the partition plate 8, the horizontal height of the water inlet 3 is lower than that of the water outlet 4, the lower end of the water inlet is communicated with the cooling circulation pipe 7, and the water outlet 9 is arranged on the cooling circulation pipe 7 on the other side of the partition plate 8.
The application principle of the utility model is as follows: the cooling water is firstly sent into the cooling circulation pipe 7 through the water inlet 3 for primary cooling circulation, then is discharged into the hollow inner cavity of the ring body through the water outlet 9 for secondary cooling circulation, the direction of the secondary cooling circulation is opposite to that of the primary cooling circulation, and finally the ring body is discharged through the water outlet 4.
Compared with the prior art, the cooling circulation pipe 7 is added at the bottom angle position of the inner cavity of the water ring of the furnace cover of the hollow electric arc furnace, the circulation path of cooling water is increased, the cooling effect at the bottom angle position is enhanced, and the effects of reducing maintenance frequency and prolonging service life are achieved.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides an electric arc furnace bell water circle, includes circle body, water inlet (3), delivery port (4), cooling circulation pipe (7) and baffle (8), the circle body includes lower end ring (1), outer disc (2), upper end ring (5) and interior disc (6), its characterized in that: the outer circular surface (2) of the ring body is a cylindrical surface arranged along the vertical direction, the inner circular surface (6) is a conical surface with an upward opening, the lower end of the outer circular surface (2) is fixedly connected with the outer edge of the lower end ring (1), the upper end of the outer circular surface (2) is fixedly connected with the outer edge of the upper end ring (5), the inner edge of the upper end ring (5) is fixedly connected with the upper end of the inner circular surface (6), and the lower end of the inner circular surface (6) and the inner edge of the lower end ring (1) are fixedly connected with the outer wall of the cooling circulation pipe (7);
At any position of the hollow inner cavity in the ring body, the partition plate (8) is arranged between the surfaces of the outer circular surface (2) and the inner circular surface (6), and the partition plate (8) penetrates through the cooling circulation pipe (7); the water inlet (3) and the water outlet (4) are respectively arranged on the outer circular surface on the same side of the partition plate (8), the lower end of the water inlet is communicated with the cooling circulation pipe (7), and the water outlet (9) is arranged on the cooling circulation pipe (7) on the other side of the partition plate (8).
2. The electric arc furnace lid water ring of claim 1, wherein: the horizontal height of the water inlet (3) is lower than that of the water outlet (4).
3. The electric arc furnace lid water ring of claim 1, wherein: the lower end of the inner circular surface (6) and the inner edge of the lower end ring (1) are tangential to the outer wall of the cooling circulation pipe (7).
4. The electric arc furnace lid water ring of claim 1, wherein: the diameter of the outer circular surface (2) is 3340mm; the diameter of the outer circle of the upper end ring (5) is 3360mm, and the diameter of the inner circle of the upper end ring (5) is 3174mm; the diameter of the position where the lower end of the inner circular surface (6) is fixedly connected with the cooling circulating pipe (7) is 3021mm, and the diameter of the position where the inner edge of the lower end ring (1) is fixedly connected with the cooling circulating pipe (7) is 3120mm.
5. The electric arc furnace lid water ring of claim 1, wherein: the included angle between the generatrix of the inner circular surface (6) and the plane of the lower end ring (1) is 65-70 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322560489.5U CN220853069U (en) | 2023-09-20 | 2023-09-20 | Water ring of furnace cover of electric arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322560489.5U CN220853069U (en) | 2023-09-20 | 2023-09-20 | Water ring of furnace cover of electric arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220853069U true CN220853069U (en) | 2024-04-26 |
Family
ID=90745164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322560489.5U Active CN220853069U (en) | 2023-09-20 | 2023-09-20 | Water ring of furnace cover of electric arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220853069U (en) |
-
2023
- 2023-09-20 CN CN202322560489.5U patent/CN220853069U/en active Active
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