CN216282680U - Novel electric arc furnace shell water cooling structure - Google Patents
Novel electric arc furnace shell water cooling structure Download PDFInfo
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- CN216282680U CN216282680U CN202122625020.6U CN202122625020U CN216282680U CN 216282680 U CN216282680 U CN 216282680U CN 202122625020 U CN202122625020 U CN 202122625020U CN 216282680 U CN216282680 U CN 216282680U
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Abstract
The utility model discloses a novel water cooling structure of an electric arc furnace shell, which comprises an electric arc furnace shell water cooling structure body, wherein a water cooling mechanism shell is arranged on the electric arc furnace shell water cooling structure body, a second-stage water cooling tank is arranged on the inner side of the water cooling mechanism shell, a first-stage water cooling tank is arranged on the inner side of the second-stage water cooling tank, the side wall between the second-stage water cooling tank and the first-stage water cooling tank is tightly attached together, the first-stage water cooling tank is in a semicircular arc shape, the first-stage water cooling tank is wrapped with the outer wall of a heating pipe of the electric arc furnace, a cooling water injection mechanism is arranged on the side wall, close to the upper edge, of one side of the water cooling mechanism shell, a first-stage water cooling tank injection pipe and a first-stage water inlet are respectively arranged at the two ends of a flow guide pipe A on the cooling water injection mechanism, a second-stage water cooling tank injection pipe and a second-stage water inlet are respectively arranged at the two ends of the flow guide pipe B, electromagnetic water valves are respectively arranged inside the first-stage water cooling tank injection pipe and the second-stage water cooling tank injection pipe, the electric arc furnace shell water-cooling structure groove adopts wrapped dual water-cooling, and has high cooling speed and high safety.
Description
Technical Field
The utility model relates to the technical field of water cooling of electric arc furnace shells, in particular to a novel water cooling structure of an electric arc furnace shell.
Background
Electric arc furnaces utilize high temperature melting of ores and metals produced by an electrode arc. When the gas discharge forms an electric arc, the energy is concentrated, and the temperature of the arc area is more than 3000 ℃. For smelting metal, the electric arc furnace has greater process flexibility than other steel furnaces, can effectively remove impurities such as sulfur, phosphorus and the like, has easily controlled furnace temperature and small equipment floor area, and is suitable for smelting high-quality alloy steel.
Industrial furnaces heated by an electric arc generated by metallic or non-metallic electrodes are called electric arc furnaces. Electric arc furnaces can be classified into three-phase electric arc furnaces, consumable electric arc furnaces, single-phase electric arc furnaces, resistance electric arc furnaces, and the like, in terms of the form of an electric arc. 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 alkaline refractory materials or acidic refractory materials. Electric arc steelmaking furnaces are classified into ordinary power electric arc furnaces, high power electric arc furnaces and ultra-high power electric arc furnaces according to the capacity of a transformer allocated to each ton of furnace capacity. In the electric arc furnace steelmaking, electric energy is input into the electric arc steelmaking furnace through a graphite electrode, and electric arc generated between the end part of the electrode and furnace burden is used as a heat source to carry out steelmaking. The electric arc furnace uses electric energy as a heat source, can adjust the atmosphere in the furnace, and is very favorable for smelting steel containing more easily-oxidizable elements. The utility model of electric arc furnace steelmaking is soon used for smelting alloy steel and is greatly developed.
The electric arc furnace can lead to the shell temperature of electric arc furnace sharply rising in long-time use, in order to guarantee the safety in utilization of electric arc furnace, need carry out the casing cooling to the electric arc furnace.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel electric arc furnace shell water cooling structure which adopts wrapped double water cooling, has high cooling speed and high safety, and solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a novel water cooling structure for an electric arc furnace shell comprises an electric arc furnace shell water cooling structure body, wherein a water cooling mechanism shell is arranged on the electric arc furnace shell water cooling structure body, a secondary water cooling groove is formed in the inner side of the water cooling mechanism shell, a primary water cooling groove is formed in the inner side of the secondary water cooling groove, and the secondary water cooling groove is connected with the side wall of the primary water cooling groove in a clinging mode;
the cooling water injection mechanism is fixedly connected with the shell of the water cooling mechanism, the cooling water injection mechanism is installed in a matching way with the second-stage water cooling tank and the first-stage water cooling tank, the cooling water injection mechanism is provided with a flow guide pipe A and a flow guide pipe B, and an interlayer is arranged between the flow guide pipe A and the flow guide pipe B;
the outer wall of the electric arc furnace shell water cooling structure body is provided with a drainage head mechanism close to the bottom end, and the drainage head mechanism is installed in a matching mode with a second-level water cooling tank and a first-level water cooling tank on the inner side of a shell of the water cooling mechanism.
Preferably, the inner side surfaces of the secondary water-cooling groove and the primary water-cooling groove are both arc-shaped.
Preferably, the two ends of the draft tube A are respectively provided with a primary water cooling tank injection tube and a primary water inlet, and an electromagnetic water valve is arranged inside the primary water cooling tank injection tube.
Preferably, the two ends of the flow guide pipe B are respectively provided with a secondary water cooling tank injection pipe and a secondary water inlet, and an electromagnetic water valve is arranged inside the secondary water cooling tank injection pipe.
Preferably, one end of the cooling water injection mechanism is connected with a liquid nitrogen cooling water tank, and the outer wall of the liquid nitrogen cooling water tank is provided with a liquid nitrogen condensation pipe.
Preferably, two drain pipes are respectively arranged on the drain head mechanism, and one end of each drain pipe is respectively connected with a water pump.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the secondary water-cooling groove is closely connected with the side wall of the primary water-cooling groove, and the inner side surfaces of the secondary water-cooling groove and the primary water-cooling groove are both arc-shaped, so that the primary water-cooling groove can be closely attached to the outer wall of the electric arc tube to the maximum extent, and the water-cooling speed is greatly improved;
(2) an electromagnetic water valve is arranged inside the injection pipe of the primary water cooling tank, the two end heads of the flow guide pipe B are respectively provided with a secondary water cooling tank injection pipe and a secondary water inlet, the electromagnetic water valve is arranged inside the injection pipe of the secondary water cooling tank, and the circulation of cooling water is controlled through the electromagnetic water valve, so that better management and control are realized, and the energy consumption is reduced;
(3) the outer wall of the electric arc furnace shell water-cooling structure body 1 is provided with a cooling water injection mechanism near the top end, one end of the cooling water injection mechanism is connected with a liquid nitrogen cooling water tank, the outer wall of the liquid nitrogen cooling water tank is provided with a liquid nitrogen condenser pipe, water is rapidly cooled through liquid nitrogen, the cooling water is injected into the water-cooling mechanism to cool the water temperature bottom, and the cooling speed of the electric arc pipe is greatly shortened;
(4) the electric arc furnace shell water-cooling structure groove adopts wrapped dual water-cooling, and has high cooling speed and high safety.
Drawings
FIG. 1 is a schematic structural diagram of a water-cooling structural body of an electric arc furnace shell according to the present invention;
FIG. 2 is a schematic view of a cutting mechanism according to the present invention.
In the figure: 1. the furnace shell water cooling structure body of the electric arc furnace; 2. a water-cooling mechanism housing; 3. a secondary water cooling tank; 4. a primary water cooling tank; 5. a drain head mechanism; 6. a cooling water injection mechanism; 7. a primary water cooling tank injection pipe; 8. a secondary water cooling tank injection pipe; 9. an electromagnetic water valve; 10. A primary water inlet; 11. a secondary water inlet; 12. a flow guide pipe A; 13. and a flow guide pipe B.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a novel electric arc furnace shell water-cooling structure, includes electric arc furnace shell water-cooling structure body 1, its characterized in that: be equipped with water-cooling mechanism shell 2 on electric arc furnace shell water-cooling structure body 1, the inboard of water-cooling mechanism shell 2 is equipped with second grade water-cooling tank 3, and the inboard of second grade water-cooling tank 3 is equipped with one-level water-cooling tank 4, and second grade water-cooling tank 3 is hugged closely with the lateral wall of one-level water-cooling tank 4 and is connected, and second grade water-cooling tank 3 is circular-arcly with the inboard surface of one-level water-cooling tank 4, can make one-level water-cooling tank 4 can be in the same place with electric arc tube outer wall furthest's close laminating like this, improves the speed of water-cooling greatly.
The outer wall of the electric arc furnace shell water-cooling structure body 1 is provided with a cooling water injection mechanism 6 close to the top end, one end of the cooling water injection mechanism 6 is connected with a liquid nitrogen cooling water tank, the outer wall of the liquid nitrogen cooling water tank is provided with a liquid nitrogen condenser tube for rapidly cooling water through liquid nitrogen so that the water is injected into the water-cooling mechanism at the water temperature bottom, the speed of cooling the electric arc tube is greatly reduced, the cooling water injection mechanism 6 is fixedly connected with a water-cooling mechanism shell 2, the cooling water injection mechanism 2 is matched and installed with a secondary water-cooling tank 3 and a primary water-cooling tank 4, the cooling water injection mechanism 2 is provided with a flow guide tube A12 and a flow guide tube B13, a separation layer is arranged between the flow guide tube A12 and the flow guide tube B13, the two end heads of the flow guide tube A12 are respectively provided with a primary water-cooling tank injection tube 7 and a primary water inlet 10, the inside of the primary water-cooling tank injection tube 7 is provided with an electromagnetic water valve 9, the two end heads of the flow guide tube B13 are respectively provided with a secondary water-cooling tank injection tube 8, The inside of second grade water inlet 11, second grade water-cooling tank injection pipe 8 is equipped with electromagnetism water valve 9, through the circulation of electromagnetism water valve 9 control cooling water, realizes better management and control, realizes the reduction of energy consumption.
The outer wall of the electric arc furnace shell water cooling structure body 1 is provided with a water discharging head mechanism 5 close to the bottom end, the water discharging head mechanism 5 is provided with two water discharging pipes respectively, and one end of each water discharging pipe is connected with a water pump respectively. The water discharge head mechanism 5 is installed in cooperation with a secondary water cooling tank 3 and a primary water cooling tank 4 on the inner side of the water cooling mechanism shell 2.
The electric arc furnace shell water-cooling structure groove adopts wrapped dual water-cooling, and has high cooling speed and high safety.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel electric arc furnace shell water-cooling structure, includes electric arc furnace shell water-cooling structure body (1), its characterized in that: the electric arc furnace shell water cooling structure comprises an electric arc furnace shell water cooling structure body (1), wherein a water cooling mechanism shell (2) is arranged on the electric arc furnace shell water cooling structure body, a secondary water cooling tank (3) is arranged on the inner side of the water cooling mechanism shell (2), a primary water cooling tank (4) is arranged on the inner side of the secondary water cooling tank (3), and the secondary water cooling tank (3) is connected with the side wall of the primary water cooling tank (4) in a clinging manner;
the cooling water injection mechanism (6) is arranged on the outer wall of the electric arc furnace shell water cooling structure body (1) close to the top end, the cooling water injection mechanism (6) is fixedly connected with the water cooling mechanism shell (2), the cooling water injection mechanism (6) is installed in a matching mode with the secondary water cooling tank (3) and the primary water cooling tank (4), a guide pipe A (12) and a guide pipe B (13) are arranged on the cooling water injection mechanism (6), and an interlayer is arranged between the guide pipe A (12) and the guide pipe B (13);
the outer wall of the electric arc furnace shell water cooling structure body (1) is provided with a water discharging head mechanism (5) close to the bottom end, and the water discharging head mechanism (5) is installed in a matching manner with a secondary water cooling tank (3) and a primary water cooling tank (4) on the inner side of a water cooling mechanism shell (2).
2. The novel water cooling structure for the furnace shell of the electric arc furnace as claimed in claim 1, wherein: the inner side surfaces of the secondary water cooling tank (3) and the primary water cooling tank (4) are arc-shaped.
3. The novel water cooling structure for the furnace shell of the electric arc furnace as claimed in claim 1, wherein: the two ends of the flow guide pipe A (12) are respectively provided with a primary water cooling tank injection pipe (7) and a primary water inlet (10), and an electromagnetic water valve (9) is arranged inside the primary water cooling tank injection pipe (7).
4. The novel water cooling structure for the furnace shell of the electric arc furnace as claimed in claim 1, wherein: and the two ends of the flow guide pipe B (13) are respectively provided with a secondary water cooling tank injection pipe (8) and a secondary water inlet (11), and an electromagnetic water valve (9) is arranged inside the secondary water cooling tank injection pipe (8).
5. The novel water cooling structure for the furnace shell of the electric arc furnace as claimed in claim 1, wherein: one end of the cooling water injection mechanism (6) is connected with a liquid nitrogen cooling water tank, and a liquid nitrogen condensation pipe is arranged on the outer wall of the liquid nitrogen cooling water tank.
6. The novel water cooling structure for the furnace shell of the electric arc furnace as claimed in claim 1, wherein: two drain pipes are respectively arranged on the drain head mechanism (5), and one end of each drain pipe is respectively connected with a water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122625020.6U CN216282680U (en) | 2021-10-29 | 2021-10-29 | Novel electric arc furnace shell water cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122625020.6U CN216282680U (en) | 2021-10-29 | 2021-10-29 | Novel electric arc furnace shell water cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216282680U true CN216282680U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122625020.6U Active CN216282680U (en) | 2021-10-29 | 2021-10-29 | Novel electric arc furnace shell water cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216282680U (en) |
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2021
- 2021-10-29 CN CN202122625020.6U patent/CN216282680U/en active Active
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