CN210796527U

CN210796527U - Cooling device for electric arc furnace steelmaking

Info

Publication number: CN210796527U
Application number: CN201921804491.XU
Authority: CN
Inventors: 马塾君
Original assignee: Simm Information Technology Services Dalian Co ltd
Current assignee: Simm Information Technology Services Dalian Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-06-19
Anticipated expiration: 2029-10-25

Abstract

The utility model belongs to the technical field of the electric arc furnace technique and specifically relates to a cooling device for electric arc furnace steelmaking and specifically relates to a cooling device, which comprises a bracket, the inboard fixedly connected with oil pump in bottom of support, the top intercommunication of oil pump is connected with the oil storage shell, the left end fixedly connected with flexible oil shell of oil storage shell, the left end intercommunication of oil pump is connected with high pressure fuel pipe, high pressure fuel pipe's the inboard intercommunication in left end is connected with first electromagnetic oil valve, high pressure fuel pipe's the inboard intercommunication in right-hand member is connected with second electromagnetic oil valve, the right-hand member upside intercommunication of flexible oil shell is connected with third electromagnetic oil valve, the right-hand member downside intercommunication of flexible oil shell is connected with fourth electromagnetic oil valve, sliding connection has flexible arm about the inboard of flexible oil shell, the inboard fixedly connected with electrode in left end of flexible arm, through the water pump that sets up, drench ring, the air suction pipe can realize the cooling of the electrode, reduce the loss of the electrode and prolong the service life of the electrode.

Description

Cooling device for electric arc furnace steelmaking

Technical Field

The utility model relates to an electric arc furnace technical field specifically is an electric arc furnace is cooling device for steelmaking.

Background

The electric arc furnace is an electric furnace for smelting ores and metals at high temperature generated by utilizing electrode arc, because the energy is concentrated when the gas discharge forms the electric arc, the temperature of an arc zone is more than 3000 ℃, the electric arc furnace has higher process flexibility than other steel-making furnaces for smelting the metals, can effectively remove impurities such as sulfur, phosphorus and the like, is easy to control the furnace temperature, has small floor area of equipment, is suitable for smelting high-quality alloy steel, increases the demand on high-quality steel along with the development of the society, and increasingly widely applies the electric arc furnace, so the demand on the cooling device for smelting the steel by the electric arc furnace is increased day by day.

With the improvement of electric arc furnace equipment and the improvement of smelting technology, the development of electric power industry and the continuous reduction of the cost of electric arc furnace steelmaking, the electric arc furnace steelmaking is not only used for producing alloy steel, but also used for producing a large amount of common carbon steel, the specific gravity of the yield in the total yield of steel in main industrial countries is continuously increased, but because graphite electrodes in China have larger gaps, in the electric arc furnace production of steel, the consumption speed of the electrodes is accelerated due to high temperature, and the temperature reduction of the electrodes during working is very necessary, so the cooling device for electric arc furnace steelmaking is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric arc furnace is cooling device for steelmaking to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a cooling device for electric arc furnace steelmaking comprises a support, wherein an oil pump is fixedly connected to the inner side of the bottom end of the support, an oil storage shell is connected to the top end of the oil pump in a communicating manner, a telescopic oil shell is fixedly connected to the left end of the oil storage shell, a high-pressure oil pipe is connected to the left end of the oil pump in a communicating manner, a first electromagnetic oil valve is connected to the inner side of the left end of the high-pressure oil pipe in a communicating manner, a second electromagnetic oil valve is connected to the inner side of the right end of the high-pressure oil pipe in a communicating manner, a third electromagnetic oil valve is connected to the upper side of the right end of the telescopic oil shell in a communicating manner, a fourth electromagnetic oil valve is connected to the lower side of the right end of the telescopic oil shell in a communicating manner, a telescopic arm is connected to the inner side of the left end of the telescopic arm in an up-, the one end intercommunication of outlet pipe is connected with drenches the water ring, and the inboard one end outside fixed connection with the electrode of drenching the water ring, the one end outside fixedly connected with water ring of electrode, the top intercommunication of electrode is connected with the aspiration channel, the right-hand member intercommunication of aspiration channel is connected with the shell that induced drafts, and induced drafts the bottom of shell and the top outside fixed connection of flexible arm, the inboard fixedly connected with motor of right-hand member of shell that induced drafts, the terminal fixedly connected with flabellum of main shaft of motor, the inboard fixedly connected with base in bottom of support, the top fixedly connected with furnace body of base, the top of furnace body can be dismantled and be connected.

Preferably, the left end of the high-pressure oil pipe is communicated and connected with the top end of the telescopic oil casing, and the right end of the high-pressure oil pipe is communicated and connected with the bottom end of the telescopic oil casing.

Preferably, the number of the electrodes is three, and the electrodes are uniformly distributed on the inner side of the telescopic arm.

Preferably, the top end of the furnace cover is provided with a hole, and the electrode penetrates through the hole on the inner side of the furnace cover.

Preferably, the bracket is made of a steel plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the water pump that sets up, drench the water ring, the ring catchments, the aspiration channel, can realize the cooling of electrode, because each internal electric arc furnace factory receives graphite electrode supply tense always, the puzzlement that the price constantly rises, and this kind of situation still will last longer a period, when the electrode works in the electric arc furnace, not only can be because work self loss electrode, still will cause the unnecessary waste because of high temperature, drench the electrode through continuous cold water and can make the electrode cooling, the absorbed heat also will be for the electrode secondary cooling during the water evaporation, this kind sets up simple structure practicality, and do not have other harmful effects to the steel quality.

2. The utility model discloses in, through oil pump, oil storage shell, flexible oil shell, the flexible arm that sets up, can realize reciprocating of flexible arm, flexible arm reciprocates and will drive the electrode and reciprocate, can upwards pull out the bell with the electrode, makes things convenient for the inspection and the change of electrode, and the electrode is in the use, often need inspect the electrode, because the furnace body is opaque and bulky, the people is difficult to observe the state of electrode, if stand and observe on the furnace body, not only observe unsharply, and very dangerous.

Drawings

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

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic structural diagram of the point C in fig. 1 according to the present invention.

In the figure: 1-support, 2-oil pump, 3-oil storage shell, 4-telescopic oil shell, 5-high pressure oil pipe, 6-first electromagnetic oil valve, 7-second electromagnetic oil valve, 8-third electromagnetic oil valve, 9-fourth electromagnetic oil valve, 10-telescopic arm, 11-electrode, 12-water pump, 13-water inlet pipe, 14-water outlet pipe, 15-water sprinkling ring, 16-water collecting ring, 17-air suction pipe, 18-air suction shell, 19-motor, 20-fan blade, 21-base, 22-furnace body and 23-furnace 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. 1-4, the present invention provides a technical solution:

a cooling device for electric arc furnace steelmaking comprises a bracket 1, wherein an oil pump 2 is fixedly connected to the inner side of the bottom end of the bracket 1, an oil storage shell 3 is connected to the top end of the oil pump 2 in a communicating manner, the oil pump 2 can suck oil in the oil storage shell 3 through the arrangement, a telescopic oil shell 4 is fixedly connected to the left end of the oil storage shell 3, a high-pressure oil pipe 5 is connected to the left end of the oil pump 2 in a communicating manner, the arrangement can enable the oil to circulate, a first electromagnetic oil valve 6 is connected to the inner side of the left end of the high-pressure oil pipe 5 in a communicating manner, the arrangement can control the flowing and stopping of the oil, a second electromagnetic oil valve 7 is connected to the inner side of the right end of the high-pressure oil pipe 5 in a communicating manner, the arrangement can control the flowing and stopping of the oil, a third electromagnetic oil valve 8 is connected to the upper side of the right end of the telescopic oil shell 4 in a communicating manner, a fourth electromagnetic oil valve, the device can control the flowing and stopping of oil, the inner side of the telescopic oil shell 4 is vertically and slidably connected with a telescopic arm 10, the device can enable the telescopic arm 10 to move up and down, the inner side of the left end of the telescopic arm 10 is fixedly connected with an electrode 11, the upper end face of the telescopic arm 10 is fixedly connected with a water pump 12, the top end of the water pump 12 is communicated and connected with a water inlet pipe 13, the left end of the water pump 12 is communicated and connected with a water outlet pipe 14, one end of the water outlet pipe 14 is communicated and connected with a water spraying ring 15, the inner side of the water spraying ring 15 is fixedly connected with the outer side of one end of the electrode 11, the device can enable water to flow on the electrode 11 from top to bottom, the outer side of one end of the electrode 11 is fixedly connected with a water collecting ring 16, the device can enable redundant water to be collected, the top end of the electrode 11 is communicated and, the right-hand member intercommunication of aspiration channel 17 is connected with air suction shell 18, and air suction shell 18's the bottom and the top outside fixed connection of flexible arm 10, and this kind of setting can make air suction shell 18 more stable, air suction shell 18's the inboard fixedly connected with motor 19 of right-hand member, motor 19's the terminal fixedly connected with flabellum 20 of main shaft, this kind of setting can make motor 19 drive flabellum 20 rotate, the inboard fixedly connected with base 21 in bottom of support 1, the top fixedly connected with furnace body 22 of base 21, the top of furnace body 22 can be dismantled and be connected with bell 23.

The left end of high pressure fuel pipe 5 is connected with the top intercommunication of flexible oil casing 4, high pressure fuel pipe 5's right-hand member is connected with the bottom intercommunication of flexible oil casing 4, and this kind of setting can make fluid flow in flexible oil casing 4 from the equidirectional, the quantity of electrode 11 is three, and the even distribution of electrode 11 is in the inboard of flexible arm 10, and this kind of setting can make the more stable work of electrode, the hole has been seted up on the top of bell 23, and electrode 11 passes the inboard hole of bell 23, and the temperature in furnace body 22 can be guaranteed in this kind of setting, support 1 constitutes for the panel of steel, and this kind of setting can make the device structure more stable.

The model of oil pump 2 is HYSN660-40, the model of first solenoid oil valve 6 is 0955305, the model of second solenoid oil valve 7 is 0955305, the model of third solenoid oil valve 8 is 0955305, the model of fourth solenoid oil valve 9 is 0955305, the model of water pump 12 is ZX250-300-45-75, the model of motor 19 is MSD 315-011D.

The working process is as follows: the utility model supplies power through an external power supply before using, one end of the water inlet pipe 13 is connected with a clean water source, the raw materials for steel making are put into the furnace body 22, the electrode 11 is electrified, the electrode 11 generates electric arc to start smelting, the water feeding pump 12 is electrified, the clean water source is conveyed to the inner side of the water spraying ring 15 from the water outlet pipe 14, water flows downwards from the inner side of the water spraying ring 15, because the water temperature is lower, the temperature of the electrode 11 can be reduced, when the temperature of the electrode 11 is overhigh, the water is evaporated to absorb heat, the electrode 11 can be cooled for the second time, when the residual water flows to the water collecting ring 16, the motor 19 is electrified, the motor 19 drives the fan blade 20 to rotate, the fan blade 20 rotates to generate suction force, the water can flow upwards from the inner side of the water collecting ring 16 through the inner side of the electrode 11, the device flows out through the air suction pipe 17, when the electrode 11 needs, closing the first electromagnetic oil valve 6 and the fourth electromagnetic oil valve 9 to cut off the flow, electrifying the oil feed pump 2, sucking out the oil liquid inside the oil storage shell 3 by the oil feed pump 2, sending the oil liquid to the inner side of the telescopic oil shell 4 through the high-pressure oil pipe 5, moving the telescopic arm 10 upwards due to the increase of the oil pressure on the lower side of the telescopic arm 10 to finish the upward extraction of the electrode 11, opening the first electromagnetic oil valve 6 and the fourth electromagnetic oil valve 9 to circulate when the electrode 11 needs to move downwards, closing the second electromagnetic oil valve 7 and the third electromagnetic oil valve 8 to cut off the flow, electrifying the oil feed pump 2, sucking out the oil liquid inside the oil storage shell 3 by the oil feed pump 2, sending the oil liquid to the inner side of the telescopic oil shell 4 through the high-pressure oil pipe 5, and moving the telescopic arm 10 downwards due to the increase of the oil pressure on the upper side of the telescopic arm 10 to finish.

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 furnace is cooling device for steelmaking, includes support (1), its characterized in that: the oil pump (2) is fixedly connected to the inner side of the bottom end of the support (1), the top end of the oil pump (2) is connected with an oil storage shell (3) in a communicating manner, the telescopic oil shell (4) is fixedly connected to the left end of the oil storage shell (3), the left end of the oil pump (2) is connected with a high-pressure oil pipe (5) in a communicating manner, the inner side of the left end of the high-pressure oil pipe (5) is connected with a first electromagnetic oil valve (6) in a communicating manner, the inner side of the right end of the high-pressure oil pipe (5) is connected with a second electromagnetic oil valve (7) in a communicating manner, the upper side of the right end of the telescopic oil shell (4) is connected with a third electromagnetic oil valve (8) in a communicating manner, the lower side of the right end of the telescopic oil shell (4) is connected with a fourth electromagnetic oil valve (9) in a communicating manner, the upper end face of the telescopic arm (10) is fixedly connected with a water pump (12), the top end of the water pump (12) is connected with a water inlet pipe (13) in a communicating manner, the left end of the water pump (12) is connected with a water outlet pipe (14) in a communicating manner, one end of the water outlet pipe (14) is connected with a water spraying ring (15) in a communicating manner, the inner side of the water spraying ring (15) is fixedly connected with the outer side of one end of the electrode (11), the outer side of one end of the electrode (11) is fixedly connected with a water collecting ring (16), the top end of the electrode (11) is connected with an air suction pipe (17) in a communicating manner, the right end of the air suction pipe (17) is connected with an air suction shell (18) in a communicating manner, the bottom end of the air suction shell (18) is fixedly connected with the outer side of the top end of the telescopic arm (10, the furnace cover is characterized in that a base (21) is fixedly connected to the inner side of the bottom end of the support (1), a furnace body (22) is fixedly connected to the top end of the base (21), and a furnace cover (23) is detachably connected to the top end of the furnace body (22).

2. The cooling device for steelmaking by an electric arc furnace as set forth in claim 1, wherein: the left end of the high-pressure oil pipe (5) is communicated and connected with the top end of the telescopic oil casing (4), and the right end of the high-pressure oil pipe (5) is communicated and connected with the bottom end of the telescopic oil casing (4).

3. The cooling device for steelmaking by an electric arc furnace as set forth in claim 1, wherein: the number of the electrodes (11) is three, and the electrodes (11) are uniformly distributed on the inner side of the telescopic arm (10).

4. The cooling device for steelmaking by an electric arc furnace as set forth in claim 1, wherein: the top end of the furnace cover (23) is provided with a hole, and the electrode (11) penetrates through the hole on the inner side of the furnace cover (23).

5. The cooling device for steelmaking by an electric arc furnace as set forth in claim 1, wherein: the support (1) is made of steel plates.