CN218596450U

CN218596450U - Ladle refining furnace with smoke and dust purifying effect

Info

Publication number: CN218596450U
Application number: CN202223113048.2U
Authority: CN
Inventors: 胡俊; 沈彦
Original assignee: Wuxi Yixing Electric Furnace Co ltd
Current assignee: Wuxi Yixing Electric Furnace Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-03-10
Anticipated expiration: 2032-11-21

Abstract

The utility model relates to a smoke and dust purifies technical field, discloses a ladle refining furnace with smoke and dust purifying effect, comprising a base plate, the equal fixedly connected with fixed gusset in both sides around the bottom plate top middle part, two the inboard one end fixedly connected with refining furnace body of fixed gusset, refining furnace body bottom middle part fixedly connected with bubble piece, inner wall fixedly connected with takes out the dirt pipe in refining furnace body top middle part, take out dirt pipe body middle part and run through refining furnace body top outer wall and fixedly connected with air exhauster, take out dirt pipe right-hand member top fixedly connected with left end mounting flange, left end mounting flange right-hand member fixedly connected with purification tank, purification tank right-hand member fixedly connected with right-hand member mounting flange. The utility model discloses in, through having set up separator box and baffle for air and argon gas after the purification are separated, collect the argon gas, influence staff life safety after preventing to discharge.

Description

Ladle refining furnace with smoke and dust purifying effect

Technical Field

The utility model relates to a smoke and dust purifies technical field, especially relates to a ladle refining furnace with smoke and dust purifying effect.

Background

The ladle is equipment with the heating and refining functions of a steel furnace, is used for refining molten steel melted in a primary smelting furnace, can adjust the temperature of the molten steel, has process buffering, meets the requirements of important metallurgical equipment for continuous casting and continuous rolling, and can remove most impurities in the molten steel.

Present ladle refining furnace, the smoke and dust of production enter into the inside back of purifying tank and purifying, and equipment such as the inside filter screen of purifying tank generally takes out comparatively trouble, and the washing of being not convenient for, the filter screen filters the back many times moreover, and the mesh can be stopped up, influences follow-up purifying effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a ladle refining furnace with smoke dust purification effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a ladle refining furnace with smoke and dust purifying effect, includes the bottom plate, the equal fixedly connected with fixed gusset in both sides around the bottom plate top middle part, two the inboard one end fixedly connected with refining furnace body of fixed gusset, refining furnace body bottom middle part fixedly connected with bubble piece, refining furnace body top middle part inner wall fixedly connected with take out the dirt pipe, take out dirt pipe body middle part and run through refining furnace body top outer wall and fixedly connected with air exhauster, take out dirt pipe right-hand member top fixedly connected with mounting flange of left end, left end right-hand member fixedly connected with purifying tank, purifying tank right-hand member fixedly connected with mounting flange of right-hand member, the equal sliding connection in both ends has the slide bar around the purifying tank inner wall, the equal fixedly connected with seal ring in both ends about the slide bar, the inboard one end fixedly connected with a plurality of second fixed stop plate of slide bar, the equal fixedly connected with multiple filter screen in both ends about the second fixed stop plate, the equal fixedly connected with first fixed stop plate in both ends outside the multiple filter screen, the right-hand member inner wall fixedly connected with air duct, bottom plate top right side fixedly connected with separator box, the equal fixedly connected with separator plate in both sides around the separator box inner wall.

As a further description of the above technical solution:

bottom plate top left side fixedly connected with argon gas case, argon gas case right-hand member bottom fixedly connected with gas-supply pipe, gas-supply pipe top right side fixed connection is at bubble piece bottom inner wall.

As a further description of the above technical solution:

the top end of the bubble block penetrates through the inner wall of the refining furnace body and extends to the inside.

As a further description of the above technical solution:

the upper part of the left end of the refining furnace body is fixedly connected with a feed inlet.

As a further description of the above technical solution:

the bottom end of the dust extraction pipe penetrates through the inner wall of the refining furnace body and is fixedly connected with a dust collection disc.

As a further description of the above technical solution:

the exhaust fan is fixedly connected to the top of the refining furnace body.

As a further description of the above technical solution:

the separation box top left side fixedly connected with density monitor, separation box top right side inner wall fixedly connected with air advances the pipe.

As a further description of the above technical solution:

the bottom end of the air duct penetrates through the inner wall of the separation box and is fixedly connected with a control valve.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first through having set up sealing ring and multiple filter screen for take out the smoke and dust after purifying the jar inside through the air exhauster can be highly purified by multiple filter screen, and can take out subassembly such as multiple filter screen and baffle and wash, improve the filter effect through the slide bar after purifying.

2. The utility model discloses in, through having set up separator box and baffle for air and argon gas after the purification are separated, collect the argon gas, influence staff life safety after preventing to discharge.

Drawings

FIG. 1 is a perspective view of a ladle refining furnace with smoke and dust purification effect according to the present invention;

FIG. 2 is a drawing of an exhaust fan of a ladle refining furnace with smoke and dust purification effect provided by the present invention;

FIG. 3 is a cross-sectional view of a purifying tank of a ladle refining furnace with smoke purifying effect according to the present invention;

FIG. 4 is a schematic view showing a multi-strainer structure of a ladle refining furnace with a smoke purifying effect;

FIG. 5 is a cross-sectional view of a separating box of a ladle refining furnace with smoke and dust purifying effect.

Illustration of the drawings:

1. a base plate; 2. an argon gas tank; 3. a gas delivery pipe; 4. a feed inlet; 5. a bubble block; 6. an exhaust fan; 7. a dust extraction pipe; 8. a purification tank; 9. a gas-guide tube; 10. a density monitor; 11. an air inlet pipe; 12. a separation tank; 13. fixing a rib plate; 14. installing a flange; 15. a control valve; 16. a dust collection tray; 17. a first fixed baffle; 18. a second fixed baffle; 19. a slide bar; 20. a sealing gasket; 21. multiple filter screens; 22. a partition plate; 23. a refining furnace body.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a ladle refining furnace with smoke purification effect comprises a bottom plate 1, wherein fixed rib plates 13 are fixedly connected to the front side and the rear side of the middle part of the top end of the bottom plate 1, a refining furnace body 23 is fixedly connected to one end of the inner side of each fixed rib plate 13, a bubble block 5 is fixedly connected to the middle part of the bottom end of the refining furnace body 23, a dust extraction pipe 7 is fixedly connected to the inner wall of the middle part of the top end of the refining furnace body 23, the middle part of the dust extraction pipe 7 penetrates through the outer wall of the top end of the refining furnace body 23 and is fixedly connected with an exhaust fan 6, a left end mounting flange 14 is fixedly connected to the top of the right end of the dust extraction pipe 7, a right end mounting flange 14 is fixedly connected to the right end of the left end mounting flange 14, the front end and the rear end of the inner wall of the refining furnace 8 are respectively and slidably connected with a sliding rod 19, sealing gaskets 20 are fixedly connected to the sealing effect of the cleaning tank 8 after the sliding rod 19 slides into the interior of the cleaning tank 8, a plurality of second fixed baffles 18 are fixedly connected to the left end of the sliding rod 19, the first fixed ribs 17 are respectively and can only be driven by a tempered gas generated by the first filtering gas generated by the filtering baffle 17 after the gas generated by the filtering of the first filtering baffle plate 17, and the gas generated by the tempering of the first filtering baffle plate 17, and the gas generated in the interior of the refining furnace body, and the first filtering baffle plate 17, then, the gas enters the right side of the inner wall of the purification tank 8 through the unsealed position at the top of the second fixed baffle plate 18, the purification effect is improved for multiple times in a circulating mode, the purification tank 8 can be taken out through mounting flanges 14 on two sides after purification, then an inner-side multiple filter screen 21 is taken out through a sliding rod 19, the first fixed baffle plate 17 and the second fixed baffle plate 18 are taken out for cleaning, failure of excessive filter screens is prevented from being filtered, the purification effect is influenced, the inner wall of the mounting flange 14 on the right end of the right side is fixedly connected with a gas guide tube 9, the separation tank 12 is fixedly connected with the top right side of the bottom plate 1, the front side and the rear side of the inner wall of the separation tank 12 are both fixedly connected with partition plates 22, the purified gas enters the separation tank 12 through the gas guide tube 9, the argon density is greater than that of the air, the argon can be pressed into the two sides of the partition plates 22 through injecting the air into the separation tank 12, the argon is collected, and the air is discharged, so that the argon discharge is prevented from influencing the life safety of workers.

Bottom plate 1 top left side fixedly connected with argon gas case 2, 2 right-hand member bottom fixedly connected with gas-supply pipe 3 of argon gas case, 3 top right sides fixedly connected at 5 bottom inner walls of bubble piece of gas-supply pipe, 5 top of bubble piece run through refining furnace body 23 inner walls and extend to inside, argon gas of argon gas case 2 inside can be inputed to bubble piece 5 through gas-supply pipe 3, bubble piece 5 can pour argon gas into the tempering liquid of refining furnace body 23 bottom with the bubble form, refining furnace body 23 upper portion fixedly connected with feed inlet 4, tempering liquid can enter into refining furnace body 23 inside through feed inlet 4, take out dust pipe 7 bottom and run through refining furnace body 23 inner wall and fixedly connected with dust absorption dish 16, 6 fixed connection at refining furnace body 23 top of air exhauster, dust absorption dish 16 can enlarge the dust extraction scope of dust extraction pipe 7 and take out the gas and the slag of come-up inside to purification tank 8, separation box 12 top left side fixedly connected with density monitor 10, separation box 12 top right side inner wall fixedly connected with air advances pipe 11, 9 bottom of air duct runs through separation box 12 inner wall and fixedly connected with control valve 15 and fixedly connected with control valve 11 can be when the both sides of continuous control valve input to the separation box 12 between the both sides of argon gas separation baffle 22 can carry out two roughly equal gaseous density monitor 22 between the gaseous density monitor 22 and can be according to the gaseous density between the gaseous separation baffle 22.

The working principle is as follows: firstly, the tempering liquid is injected into the refining furnace body 23 through the feed inlet 4, then the argon gas in the argon gas box 2 is input into the bubble block 5 through the gas transmission pipe 3, the bubble block 5 can inject the argon gas into the tempering liquid at the bottom of the refining furnace body 23 in a bubble form, after receiving the argon gas injected by the bubble block 5 at the bottom end, the argon gas generates bubbles in the tempering liquid because of being insoluble in high-temperature liquid to take away impurity steel slag in the tempering liquid, the argon gas floats upwards to the upper part of the inner wall of the refining furnace body 23 under the drive of high-temperature steam and is pumped into the purifying tank 8 by the dust pumping pipe 7 under the action of the exhaust fan 6, the mixed gas enters the purifying tank 8 and is sealed because of the upper part of the first fixed baffle 17, the mixed gas can only pass through the bottom of the multiple filter screens 21, is filtered by the next multiple filter screen 21 at the bottom of the first fixed baffle 17 and then overflows from the top, and then enters the right side of the inner wall of the purifying tank 8 through the unsealed part at the top of the second fixed baffle 18, the purification effect is improved by circulating for many times, the purification tank 8 can be taken out through the mounting flanges 14 on the two sides after purification, then the multiple filter screens 21 on the inner sides, the first fixed baffle 17 and the second fixed baffle 18 are taken out through the sliding rod 19 for cleaning, the failure of the filter screens is prevented from being too much filtered, the purification effect is influenced, the purified gas enters the separation box 12 through the right gas guide pipe 9, the density of the argon is higher than that of the air, the argon can be pressed into the two sides of the partition plates 22 by injecting the air into the separation box 12 after the control valve 15 is closed, then the density of the gas on the two sides of the partition plates 22 of the separation box 12 can be monitored by the density monitor 10, so that the gas composition between the two partition plates 22 can be judged according to the density, when the gas density between the two partition plates 22 is approximately equal to the air density, the argon on the two sides of the partition plates 22 can be collected, the argon gas is collected by discharging the gas between the partition plates 22, and the air is discharged to prevent the argon gas from being discharged to influence the life safety of workers.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a ladle refining furnace with smoke and dust purifying effect, includes bottom plate (1), its characterized in that: bottom plate (1) top middle part both sides equal fixedly connected with fixed gusset (13) around the middle part of, two fixed gusset (13) inboard one end fixedly connected with refining furnace body (23), refining furnace body (23) bottom middle part fixedly connected with bubble piece (5), refining furnace body (23) top middle part inner wall fixedly connected with takes out dirt pipe (7), take out dirt pipe (7) body middle part and run through refining furnace body (23) top outer wall and fixedly connected with air exhauster (6), take out dirt pipe (7) right-hand member top fixedly connected with left end mounting flange (14), left end mounting flange (14) right-hand member fixedly connected with purifying tank (8), purifying tank (8) right-hand member fixedly connected with mounting flange (14), the equal sliding connection in both ends has slide bar (19) around purifying tank (8) inner wall, the equal fixedly connected with seal ring (20) in both ends about slide bar (19), the inboard one end fixedly connected with a plurality of second fixed stop (18) of slide bar (19), the equal fixed stop (21) in both ends about multiple fixed connection with of second fixed stop (18), the equal fixed connection with fixed stop (21) in both ends of filter screen (21) outside fixed connection has first fixed connection with seal ring (17) first end fixed stop (17) inner wall (12), right side separation baffle (12) of right side (17), the front side and the rear side of the inner wall of the separation box (12) are fixedly connected with clapboards (22).

2. The ladle refining furnace with smoke purifying effect as claimed in claim 1, wherein: bottom plate (1) top left side fixedly connected with argon gas case (2), argon gas case (2) right-hand member bottom fixedly connected with gas-supply pipe (3), gas-supply pipe (3) top right side fixed connection is at bubble piece (5) bottom inner wall.

3. The ladle refining furnace with smoke purifying effect as claimed in claim 1, wherein: the top end of the bubble block (5) penetrates through the inner wall of the refining furnace body (23) and extends to the inside.

4. The ladle refining furnace with smoke purifying effect as claimed in claim 1, wherein: the upper part of the left end of the refining furnace body (23) is fixedly connected with a feed inlet (4).

5. The ladle refining furnace with smoke purifying effect as claimed in claim 1, wherein: the bottom end of the dust extraction pipe (7) penetrates through the inner wall of the refining furnace body (23) and is fixedly connected with a dust collection disc (16).

6. The ladle refining furnace with smoke purifying effect as claimed in claim 1, wherein: exhaust fan (6) fixed connection is at refining furnace body (23) top.

7. The ladle refining furnace with smoke purifying effect as claimed in claim 1, wherein: the density monitor is fixedly connected to the left side of the top end of the separation box (12), and the air inlet pipe (11) is fixedly connected to the inner wall of the right side of the top end of the separation box (12).

8. The ladle refining furnace with smoke purifying effect as claimed in claim 1, wherein: the bottom end of the air duct (9) penetrates through the inner wall of the separation box (12) and is fixedly connected with a control valve (15).