CN214250564U

CN214250564U - Water-cooled electric arc furnace lid for fused brick production

Info

Publication number: CN214250564U
Application number: CN202023265161.3U
Authority: CN
Inventors: 郑凯强
Original assignee: Henan Sialon Technology Co ltd
Current assignee: Henan Sialon Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-21
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses an electric arc bell is used in production of water-cooled fused brick, including last lid and lower lid, go up the lid and be equipped with the cooling chamber down between the lid, go up the both sides on lid top and the both sides of lid bottom down and all seted up corresponding feed port, the fixed inlet pipe that is equipped with between per two corresponding feed ports, corresponding exhaust hole has all been seted up with the middle part of lid bottom down at the middle part on going up the lid top, the beneficial effects of the utility model are that: the cooling cavity arranged between the upper cover body and the lower cover body is used for injecting cooling water for cooling, and the furnace cover is cooled by adopting a water cooling structure mode, so that the cooling effect is good, the heat dissipation performance of the electric arc furnace is improved, the furnace cover can be effectively prevented from deforming due to heating, the service life of equipment is prolonged, and the production efficiency is also improved; the snakelike cooling pipeline that sets up can contact with exhaust high temperature flue gas, realizes thermal exchange, reduces the temperature of flue gas effectively.

Description

Water-cooled electric arc furnace lid for fused brick production

Technical Field

The utility model relates to an electric arc bell, in particular to electric arc bell is used in production of water-cooled fused brick belongs to electric arc furnace technical field.

Background

The electric arc furnace is an electric furnace for smelting ores and metals at high temperature by utilizing electrode electric arc; electric arc furnaces generally comprise a furnace shaft, a furnace lid and an electrode; the furnace cover has various designs, one is formed by piling up all refractory bricks, the temperature control effect and the cooling effect of the furnace cover are poor, and the furnace cover is easy to collapse; the other is a full heat dissipation metal furnace cover, the furnace cover is high in manufacturing cost, and because the heat dissipation pipeline of the furnace cover is distributed over the whole furnace cover, the furnace cover is cooled too fast, and the temperature control difficulty is high; and is inconvenient for cooling the discharged high-temperature flue gas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric arc bell is used in production of water-cooled fused brick to the cooling effect who proposes in solving above-mentioned background art is not good, is not convenient for carry out the problem of cooling down the processing to exhaust high temperature flue gas.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric arc bell for production of water-cooled electric smelting brick, includes lid and lower lid, go up the lid with lid welds mutually down, go up the lid with be equipped with the cooling chamber down between the lid, go up the both sides on lid top with corresponding feed port has all been seted up to the both sides of lid bottom down, and per two are corresponding fixed inlet pipe that is equipped with between the feed port, the middle part on lid top with corresponding exhaust hole has all been seted up down at the middle part of lid bottom, two fixed blast pipe that is equipped with between the exhaust hole, the fixed subassembly of discharging fume that is equipped with in top of going up the lid, the top of going up the lid with three corresponding electrode mounting hole has all been seted up to the bottom of lid down.

As the utility model discloses a preferred technical scheme, the subassembly of discharging fume includes exhaust pipe and snakelike cooling duct, exhaust pipe is fixed to be set up the middle part on upper cover body top, cooling duct is fixed to be set up exhaust pipe's inside, the exhaust port has been seted up at one side top of exhaust pipe, the fixed filter screen that is equipped with in inside of exhaust port, cooling duct's one end pass through the connecting pipe with the inside in cooling chamber is linked together.

As an optimized technical scheme of the utility model, the both sides inner wall of exhaust pipe all fixes and is equipped with the mutual asymmetric spoiler of a plurality of.

As an optimal technical scheme of the utility model, the fixed water injection pipe that is equipped with of one side of exhaust pipe, the water injection pipe with cooling pipeline's other end fixed connection, down one side of lid fixed be equipped with the drain pipe that the cooling chamber is linked together.

As an optimized technical scheme of the utility model, the one end of water injection pipe with the equal threaded connection of one end of drain pipe has sealed lid.

As an optimized technical scheme of the utility model, the bottom mounting of lower lid is equipped with the flame retardant coating.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an electric arc bell is used in production of water-cooled fused brick is used for pouring into the cooling water through the cooling chamber that sets up between upper cover body and the lower cover body and cools off, adopts the water-cooling structural style to realize the cooling to the bell, and its cooling effect is good, has promoted the heat dispersion of electric arc furnace, so can prevent effectively that the bell from because of the thermal deformation, has improved the life of equipment, has also improved production efficiency; the snakelike cooling pipeline that sets up can contact with exhaust high temperature flue gas, realizes thermal exchange, reduces the temperature of flue gas effectively.

Drawings

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

fig. 2 is a schematic structural view of the upper cover and the lower cover of the present invention;

fig. 3 is a schematic cross-sectional view of the upper cover and the lower cover of the present invention;

fig. 4 is a schematic side sectional view of the smoke evacuation assembly of the present invention;

fig. 5 is a schematic view of the sectional structure of the smoke exhaust assembly of the present invention.

In the figure: 1. an upper cover body; 2. a lower cover body; 3. a cooling chamber; 4. a feed port; 5. a feed pipe; 6. an exhaust hole; 7. an exhaust pipe; 8. an electrode mounting hole; 9. a smoke evacuation assembly; 91. a smoke exhaust duct; 92. a smoke outlet; 93. a filter screen; 94. a cooling duct; 95. a connecting pipe; 96. a spoiler; 10. a water injection pipe; 11. a drain pipe; 12. and (7) sealing the cover.

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.

Referring to fig. 1-5, the present invention provides an electric arc furnace cover for producing water-cooled electric melting bricks, which comprises an upper cover body 1 and a lower cover body 2, wherein the upper cover body 1 is welded with the lower cover body 2, a cooling cavity 3 is arranged between the upper cover body 1 and the lower cover body 2, used for storing cooling water, the two sides of the top end of the upper cover body 1 and the two sides of the bottom end of the lower cover body 2 are both provided with corresponding feed holes 4, a feed pipe 5 is fixedly arranged between every two corresponding feed holes 4, the middle part of the top end of the upper cover body 1 and the middle part of the bottom end of the lower cover body 2 are both provided with corresponding exhaust holes 6, an exhaust pipe 7 is fixedly arranged between the two exhaust holes 6, the top end of the upper cover body 1 is fixedly provided with a smoke exhaust assembly 9, the electrode mounting structure is used for discharging smoke generated in the heating process, and three corresponding electrode mounting holes 8 are formed in the top end of the upper cover body 1 and the bottom end of the lower cover body 2 and used for mounting electrodes.

Preferably, the smoke exhaust assembly 9 comprises a smoke exhaust pipeline 91 and a serpentine cooling pipeline 94, the smoke exhaust pipeline 91 is fixedly arranged in the middle of the top end of the upper cover body 1, the cooling pipeline 94 is fixedly arranged inside the smoke exhaust pipeline 91, a smoke exhaust port 92 is formed in the top of one side of the smoke exhaust pipeline 91, a filter screen 93 is fixedly arranged inside the smoke exhaust port 92, one end of the cooling pipeline 94 is communicated with the inside of the cooling cavity 3 through a connecting pipe 95, high-temperature smoke generated in the arc furnace enters the inside of the smoke exhaust pipeline 91 through an exhaust hole 6, heat exchange is carried out with the serpentine cooling pipeline 94 under the action of a spoiler 96, the temperature of the smoke is reduced, the smoke is finally exhausted through the smoke exhaust port 92, and particles in the smoke are filtered through the filter screen 93 to prevent air pollution; the inner walls of the two sides of the smoke exhaust pipeline 91 are respectively and fixedly provided with a plurality of mutually asymmetric spoilers 96, so that the discharged smoke is disturbed, the time of the smoke exhaust pipeline 91 is prolonged, and the cooling effect is improved; a water injection pipe 10 is fixedly arranged on one side of the smoke exhaust pipeline 91, the water injection pipe 10 is fixedly connected with the other end of the cooling pipeline 94, the arranged water injection pipe 10 is used for introducing cooling water into the cooling cavity 3, a drain pipe 11 communicated with the cooling cavity 3 is fixedly arranged on one side of the lower cover body 2, and the arranged drain pipe 11 is used for discharging water in the cooling cavity 3; one end of the water injection pipe 10 and one end of the drain pipe 11 are both in threaded connection with a sealing cover 12 for sealing the water injection pipe 10 and the drain pipe 11; the bottom mounting of lower lid 2 is equipped with the flame retardant coating, can improve the fire-resistant ability of lid 2 bottom down, prevents down that lid 2 from producing because of high temperature and warping, improves its life.

When the electric arc furnace cover is used in detail, the utility model relates to an electric arc furnace cover for producing water-cooled electric smelting bricks, firstly, electrodes are arranged in an electrode mounting hole 8 and are sealed, then the furnace cover is arranged at the top end of the electric arc furnace, raw materials are added into the electric arc furnace through a feed port 4, the raw materials in the furnace are heated at high temperature by the electrodes, a sealing cover 12 of a water injection pipe 10 is opened, cooling water is added into a cooling cavity 3 through the water injection pipe 10 to cool a lower cover body 2 and an upper cover body 1, the furnace cover is cooled by adopting a water cooling structure mode, the cooling effect is good, the heat dissipation performance of the electric arc furnace is improved, thus the furnace cover can be effectively prevented from thermal deformation, the service life of the equipment is prolonged, the production efficiency is also improved, high-temperature flue gas generated in the electric arc furnace enters the inside of a smoke exhaust pipe 91 through an exhaust hole 6, and heat exchange is carried out with a snakelike cooling pipe 94 under the action of a spoiler 96, the temperature of the flue gas is reduced, the flue gas is discharged through the smoke outlet 92, particles in the flue gas are filtered through the filter screen 93, air pollution is prevented, after the process is finished, the sealing cover 12 of the drain pipe 11 is opened, and water in the cooling cavity 3 is discharged.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric arc bell for production of water-cooled electric smelting brick, includes lid (1) and lower lid (2), its characterized in that, go up lid (1) with lid (2) weld mutually down, go up lid (1) with be equipped with cooling chamber (3) down between lid (2), go up the both sides on lid (1) top with corresponding feed port (4) have all been seted up to the both sides of lid (2) bottom down, per two are corresponding fixed inlet pipe (5) are equipped with between feed port (4), the middle part on going up lid (1) top with corresponding exhaust hole (6) have all been seted up down in the middle part of lid (2) bottom, two fixed blast pipe (7) that are equipped with between exhaust hole (6), the top of going up lid (1) is fixed to be equipped with and discharges fume subassembly (9), the top of going up lid (1) with three corresponding electrode mounting hole (8) have all been seted up to the bottom of lid (2) down.

2. The electric arc furnace cover for producing the water-cooled electric melting brick according to claim 1, characterized in that: the smoke exhaust component (9) comprises a smoke exhaust pipeline (91) and a serpentine cooling pipeline (94), the smoke exhaust pipeline (91) is fixedly arranged at the middle of the top end of the upper cover body (1), the cooling pipeline (94) is fixedly arranged inside the smoke exhaust pipeline (91), a smoke exhaust port (92) is formed in the top of one side of the smoke exhaust pipeline (91), a filter screen (93) is fixedly arranged inside the smoke exhaust port (92), and one end of the cooling pipeline (94) is communicated with the inside of the cooling cavity (3) through a connecting pipe (95).

3. The electric arc furnace cover for producing the water-cooled electric melting brick according to claim 2, characterized in that: the inner walls of the two sides of the smoke exhaust pipeline (91) are fixedly provided with a plurality of asymmetric spoilers (96).

4. The electric arc furnace cover for producing the water-cooled electric melting brick according to claim 2, characterized in that: one side of the smoke exhaust pipeline (91) is fixedly provided with a water injection pipe (10), the water injection pipe (10) is fixedly connected with the other end of the cooling pipeline (94), and one side of the lower cover body (2) is fixedly provided with a drain pipe (11) communicated with the cooling cavity (3).

5. The electric arc furnace cover for producing the water-cooled electric melting brick according to claim 4, characterized in that: and one end of the water injection pipe (10) and one end of the water discharge pipe (11) are both in threaded connection with a sealing cover (12).

6. The electric arc furnace cover for producing the water-cooled electric melting brick according to claim 1, characterized in that: the bottom end of the lower cover body (2) is fixedly provided with a fireproof layer.