CN114250333A

CN114250333A - Iron and steel smelting device

Info

Publication number: CN114250333A
Application number: CN202111602861.3A
Authority: CN
Inventors: 徐卫兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-03-29

Abstract

The invention belongs to the field of iron and steel smelting, and relates to an iron and steel smelting device which comprises a shell, wherein four support columns are fixedly arranged on the lower side of the shell, an upper cover is slidably arranged on the upper side of the shell, an exhaust hole is fixedly arranged on the upper side of the upper cover, a gas tank is fixedly arranged on the right side of the shell, a gas output pipe is fixedly arranged on the upper side of the gas tank, an oxygen tank is fixedly arranged on the left side of the shell, and an oxygen output pipe is fixedly arranged on the upper side of the oxygen tank. According to the invention, the smelting vessel can be rotated by the rotating device in the steel smelting process, so that raw materials in the smelting vessel can be uniformly heated, and meanwhile, the stirring device can be used for stirring the materials in the smelting vessel, so that the raw materials can be continuously turned over in the smelting process, the raw materials can be uniformly heated, the caking phenomenon can not occur, and harmful gases generated in the smelting process can be effectively treated.

Description

Iron and steel smelting device

Technical Field

The invention belongs to the field of steel smelting, and particularly relates to a steel smelting device.

Background

As is well known, iron and steel smelting (iron and steel smelting) is a general name for steel and iron metallurgy process. Iron produced industrially is classified into pig iron (containing carbon at 2% or more) and steel (containing carbon at less than 2%) according to the carbon content. Most of modern iron making adopts blast furnace iron making, and a direct reduction iron making method and an electric furnace iron making method are respectively adopted. The steel-making is mainly made by using pig iron smelted by blast furnace, sponge iron smelted by direct reduction iron-smelting method and waste steel as raw materials and smelting them into steel by different methods. The basic production process is to smelt iron ore into pig iron in an iron-making furnace, then to smelt the pig iron into steel by different methods and then to cast the steel into steel ingots or continuous casting billets, however, the existing smelting devices have some disadvantages,

1. at present, smelting needs to be carried out by using a blast furnace with lower combustion rate, and the heat loss of the blast furnace is large;

2. the discharge amount of harmful substances after smelting and combustion is high, and the influence on operators and the environment can be caused;

3. meanwhile, the temperature in the blast furnace is concentrated, so that the metal cannot be uniformly heated, the smelting effect is influenced, and the smelting efficiency is reduced.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a steel smelting device which can uniformly heat raw materials in a smelting process, accelerate the smelting speed and completely purify harmful gas.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a steel smelting device, includes the casing, the fixed four support columns that are equipped with of casing downside, the casing upside slides and is equipped with the upper cover, cover the fixed exhaust hole that is equipped with in side, the fixed gas case that is equipped with in casing right side, the fixed gas output tube that is equipped with of gas case upside, the fixed oxygen case that is equipped with in casing left side, the fixed oxygen output tube that is equipped with of oxygen case upside, be equipped with the heating chamber in the casing, be equipped with rotating device in the support column, rotating device is used for rotatory with the raw materials of smelting to make the raw materials can the thermally equivalent, rotating device includes the support column internal fixation is equipped with the motor cabinet, the fixed motor that is equipped with of motor cabinet upside.

Preferably, the output end of the upper side of the motor is provided with a motor shaft, the motor shaft penetrates through the shell and extends into the heating cavity, a bottom plate is fixedly arranged on the upper side of the motor shaft, bases are fixedly arranged at the left end and the right end of the upper side of the bottom plate respectively, and a smelting vessel is fixedly arranged on the upper side of the bases.

Preferably, the fixed first rotation axis that is equipped with of motor shaft upside, first rotation axis passes the bottom plate, the fixed first gear that is equipped with of first rotation axis upside, right-hand member the fixed first backup pad that is equipped with in base left side, the fixed first bearing that is equipped with in first backup pad left side, the first bearing internal fixation is equipped with the second rotation axis, the fixed second gear that is equipped with of second rotation axis downside, the second gear with first gear engagement, the fixed third gear that is equipped with of second rotation axis upside, the fixed second backup pad that is equipped with in first bearing front side, the fixed second bearing that is equipped with in second backup pad front side, the second bearing internal fixation is equipped with the third rotation axis, the fixed fourth gear that is equipped with of third rotation axis upside, the fourth gear with third gear engagement.

Preferably, the left end a third supporting plate is fixedly arranged on the right side of the base, a third bearing is fixedly arranged on the right side of the third supporting plate, a stirring shaft is fixedly arranged in the third bearing, a fifth gear is fixedly arranged on the outer side of the stirring shaft, the fifth gear is meshed with the fourth gear, and a stirring rod is fixedly arranged at the upper end of the stirring shaft.

Preferably, the casing internal fixation is equipped with the heat preservation, the fixed gas conveyer pipe that is equipped with in heating chamber right side, the gas conveyer pipe with the gas output tube communicates with each other, the fixed burner that is equipped with in gas conveyer pipe left end, the fixed oxygen conveyer pipe that is equipped with in heating chamber left side, the oxygen conveyer pipe with the oxygen output tube communicates with each other, the fixed shower nozzle that is equipped with in oxygen conveyer pipe right side.

Preferably, the exhaust pipe is fixedly arranged on the lower side of the upper cover and communicated with the exhaust hole, the gas purifier is fixedly arranged on the lower side of the exhaust pipe, the gas cover is fixedly arranged on the lower side of the gas purifier and covers the smelting vessel.

Put into the smelting ware with the raw and other materials of usefulness this moment, cover the upper cover this moment, the gas will come out from the gas case this moment, through gas output tube and gas conveyer pipe from the first blowout of burning and burning, oxygen will come out from the oxygen case simultaneously, through oxygen output tube and oxygen conveyer pipe from the shower nozzle blowout to supplementary gas burning, thereby carry out heat treatment to the raw and other materials of smelting in the ware, the motor will start this moment. Thereby make the motor drive motor shaft rotatory to it is rotatory to drive the bottom plate, thereby it is rotatory to drive the smelting ware, can rotate the smelting ware through rotary device like this, thereby make the raw and other materials in the smelting ware can be heated evenly, thereby increase the smelting effect of raw and other materials, can be to smelting the required fuel of intracavity portion transport smelting burning through gas case and the oxygen case that sets up, heat the metal material of smelting ware inside, thereby improved the efficiency of smelting.

Meanwhile, the motor shaft drives the first rotating shaft to rotate, so that the first gear is driven to rotate, the second rotating shaft is driven to rotate, and the third gear is driven to rotate. Thereby it is rotatory to drive the fourth gear, thereby it is rotatory to drive the second gear, thereby it is rotatory to drive the (mixing) shaft, thereby it is rotatory to drive the puddler, because the size of second gear will be less than the size of first gear far away, so the rotational speed of (mixing) shaft will be far more than the rotational speed of smelting the ware, so the rotational speed of puddler is far more than the rotational speed of smelting the ware, the puddler will be continuous stir the raw and other materials in the smelting ware, can make the puddler can produce a speed difference with smelting the ware through setting up accelerator like this, thereby make the puddler can be continuous stir raw and other materials, thereby make raw and other materials can be continuous roll, thereby make its can be even be heated, thereby the smelting time of raw and other materials has been reduced, thereby the efficiency of smelting has been improved.

Simultaneously the gas purifier will start to the poisonous gas that produces among the smelting process is whole to be absorbed, and carry out filtration purification through the gas purifier, then will purify the harmless gas of accomplishing and pass through blast pipe and exhaust hole and discharge into the atmosphere, can be with the filtration purification that harmful gas and smoke and dust that produce among the smelting process can be abundant through setting up gas purification device, thereby reduced the pollution of harmful gas to the air, also avoided harmful gas to cause the harm to the workman simultaneously.

Compared with the prior art, the steel smelting device has the following advantages:

1. can rotate the smelting ware through rotary device to make the raw and other materials in the smelting ware can be heated evenly, thereby increase the smelting effect of raw and other materials, can be to smelting the required fuel of intracavity portion transport smelting burning through the gas case that sets up and oxygen case, heat the metal material of smelting ware inside, thereby improved the efficiency of smelting.

2. Can make the puddler produce a speed difference with the smelting ware through setting up accelerator to make the puddler can be continuous stir raw and other materials, thereby make raw and other materials can be continuous roll, thereby make it can be even be heated, thereby reduced the smelting time of raw and other materials, thereby improved the efficiency of smelting.

3. Harmful gas and smoke dust that can produce in the smelting process can be abundant filtration purification through setting up gas purification device to reduce the pollution of harmful gas to the air, also avoided harmful gas to cause the harm to the workman simultaneously.

Drawings

FIG. 1 is a schematic view of a steel smelting apparatus.

FIG. 2 is a front view of the iron and steel smelting apparatus.

3 fig. 33 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 a 3- 3 a 3 in 3 fig. 32 3. 3

Fig. 4 is a sectional view taken along line B-B in fig. 3.

Fig. 5 is an enlarged view of the structure at D in fig. 4.

Fig. 6 is a sectional view taken along line C-C in fig. 5.

In the figure, 10, the housing; 11. a support pillar; 12. a motor base; 13. a motor; 14. a motor shaft; 15. a gas tank; 16. a gas output pipe; 17. an oxygen tank; 18. an oxygen output pipe; 19. an upper cover; 20. an exhaust hole; 21. an exhaust pipe; 22. a gas purifier; 23. a gas hood; 24. a heating cavity; 25. a heat-insulating layer; 26. a base; 27. a smelting vessel; 28. a stirring shaft; 29. a base plate; 30. a first rotating shaft; 31. a first gear; 32. a gas delivery pipe; 33. a burner head; 34. an oxygen delivery pipe; 35. a spray head; 36. a stirring rod; 37. a fifth gear; 38. a third bearing; 39. a third support plate; 40. a fourth gear; 41. a third rotation axis; 42. a second bearing; 43. a third gear; 44. a second rotation shaft; 45. a first bearing; 46. a second support plate; 47. a second gear; 48. a first support plate.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, a steel smelting device, including casing 10, the fixed four support columns 11 that are equipped with of casing 10 downside, casing 10 upside slides and is equipped with upper cover 19, the fixed exhaust hole 20 that is equipped with of upper cover 19 upside, the fixed gas case 15 that is equipped with in casing 10 right side, the fixed gas output tube 16 that is equipped with of gas case 15 upside, casing 10 left side is fixed and is equipped with oxygen case 17, the fixed oxygen output tube 18 that is equipped with of oxygen case 17 upside, be equipped with heating chamber 24 in the casing 10, be equipped with rotating device in the support column 11, rotating device is arranged in will smelting the raw materials rotatory, thereby make the raw materials can the thermally equivalent, rotating device includes that support column 11 internal fixation is equipped with motor cabinet 12, the fixed motor 13 that is equipped with of motor cabinet 12 upside.

As shown in fig. 2 and 3, a motor shaft 14 is arranged at an output end of an upper side of the motor 13, the motor shaft 14 passes through the housing 10 and extends into the heating cavity 24, a bottom plate 29 is fixedly arranged on the upper side of the motor shaft 14, bases 26 are respectively fixedly arranged at left and right ends of the upper side of the bottom plate 29, and a smelting vessel 27 is fixedly arranged on the upper side of the bases 26.

As shown in fig. 5 and 6, a first rotating shaft 30 is fixedly disposed on the upper side of the motor shaft 14, the first rotating shaft 30 passes through the bottom plate 29, a first gear 31 is fixedly disposed on the upper side of the first rotating shaft 30, a first supporting plate 48 is fixedly disposed on the left side of the right base 26, a first bearing 45 is fixedly disposed on the left side of the first supporting plate 48, a second rotating shaft 44 is fixedly disposed in the first bearing 45, a second gear 47 is fixedly disposed on the lower side of the second rotating shaft 44, the second gear 47 is engaged with the first gear 31, a third gear 43 is fixedly disposed on the upper side of the second rotating shaft 44, a second supporting plate 46 is fixedly disposed on the front side of the first bearing 45, a second bearing 42 is fixedly disposed on the front side of the second supporting plate 46, a third rotating shaft 41 is fixedly disposed in the second bearing 42, a fourth gear 40 is fixedly disposed on the upper side of the third rotating shaft 41, and the fourth gear 40 is engaged with the third gear 43.

As shown in fig. 3, 4 and 5, a third supporting plate 39 is fixedly arranged on the right side of the left end base 26, a third bearing 38 is fixedly arranged on the right side of the third supporting plate 39, a stirring shaft 28 is fixedly arranged in the third bearing 38, a fifth gear 37 is fixedly arranged on the outer side of the stirring shaft 28, the fifth gear 37 is meshed with a fourth gear 40, and a stirring rod 36 is fixedly arranged at the upper end of the stirring shaft 28.

As shown in fig. 4, a heat insulating layer 25 is fixedly arranged in the wall of the housing 10, a fuel gas delivery pipe 32 is fixedly arranged at the right side of the heating cavity 24, the fuel gas delivery pipe 32 is communicated with the fuel gas output pipe 16, a burner 33 is fixedly arranged at the left end of the fuel gas delivery pipe 32, an oxygen delivery pipe 34 is fixedly arranged at the left side of the heating cavity 24, the oxygen delivery pipe 34 is communicated with the oxygen output pipe 18, and a nozzle 35 is fixedly arranged at the right side of the oxygen delivery pipe 34.

As shown in fig. 4, an exhaust pipe 21 is fixedly provided under the upper cover 19, the exhaust pipe 21 is communicated with the exhaust hole 20, a gas purifier 22 is fixedly provided under the exhaust pipe 21, a gas cover 23 is fixedly provided under the gas purifier 22, and the gas cover 23 covers the smelting pot 27.

The raw material that will smelt usefulness is put into smelting ware 27, covers upper cover 19 this moment, and the gas will come out from gas tank 15 this moment, through gas output tube 16 and gas conveyer pipe 32 from the blowout of combustion head 33 and burning, and oxygen will come out from oxygen case 17 simultaneously, through oxygen output tube 18 and oxygen conveyer pipe 34 from shower nozzle 35 blowout to supplementary gas burning, thereby to the raw and other materials of smelting ware 27 carry out heat treatment, and motor 13 will start this moment. Thereby make motor 13 drive motor shaft 14 rotatory to it is rotatory to drive bottom plate 29, thereby it is rotatory to drive and smelt the ware 27, can rotate the smelting ware through rotary device like this, thereby make the raw and other materials in the smelting ware can be heated evenly, thereby increase the smelting effect of raw and other materials, can carry the required fuel of smelting burning to smelting intracavity portion through the gas case that sets up and oxygen case, heat the metal material of smelting ware inside, thereby improved the efficiency of smelting.

At the same time, the motor shaft 14 will rotate the first rotating shaft 30, and thus the first gear 31, and thus the second gear 47, and thus the second rotating shaft 44, and thus the third gear 43. Thereby it is rotatory to drive fourth gear 40, thereby it is rotatory to drive second gear 47, thereby it is rotatory to drive (mixing) shaft 28, thereby it is rotatory to drive puddler 36, because the size of second gear 47 will be less than the size of first gear 31 far away, so the rotational speed of (mixing) shaft 28 will be far greater than the rotational speed of smelting ware 27, so the rotational speed of puddler 36 is far greater than the rotational speed of smelting ware 27, puddler 36 will be continuous stir the raw and other materials in the smelting ware 27, can make the puddler can produce a speed difference with smelting the ware through setting up accelerator like this, thereby make the puddler can be continuous stir raw and other materials, thereby make it can be even be heated, thereby the smelting time of raw and other materials has been reduced, thereby the efficiency of smelting has been improved.

Simultaneously gas purification ware 22 will start to the poisonous gaseous total absorption that produces among the smelting process, and carry out filtration purification through gas purification ware 22, then will purify the harmless gas of accomplishing and discharge into the atmosphere through blast pipe 21 and exhaust hole 20, can be with the filtration purification that harmful gas and smoke and dust that produce among the smelting process can be abundant through setting up gas purification device, thereby reduced the pollution of harmful gas to the air, also avoided harmful gas to cause the harm to the workman simultaneously.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a steel smelting device, includes casing (10), its characterized in that, casing (10) downside is fixed to be equipped with four support columns (11), casing (10) upside slides and is equipped with upper cover (19), upper cover (19) upside is fixed to be equipped with exhaust hole (20), casing (10) right side is fixed to be equipped with gas case (15), gas case (15) upside is fixed to be equipped with gas output tube (16), casing (10) left side is fixed to be equipped with oxygen case (17), oxygen case (17) upside is fixed to be equipped with oxygen output tube (18), be equipped with heating chamber (24) in casing (10), be equipped with rotating device in support column (11), rotating device is used for the raw materials rotation in will smelting to make the raw materials can the thermally equivalent, rotating device includes support column (11) internal fixation is equipped with motor seat (12), and a motor (13) is fixedly arranged on the upper side of the motor base (12).

2. The iron and steel smelting plant of claim 1, wherein: motor (13) upside output is equipped with motor shaft (14), motor shaft (14) pass casing (10) extend into in heating chamber (24), motor shaft (14) upside is fixed and is equipped with bottom plate (29), both ends are fixed respectively and are equipped with base (26) about bottom plate (29) upside, base (26) upside is fixed and is equipped with smelting ware (27).

3. The iron and steel smelting plant of claim 2, wherein: the motor shaft (14) upside is fixedly provided with a first rotating shaft (30), the first rotating shaft (30) penetrates through the bottom plate (29), the first rotating shaft (30) upside is fixedly provided with a first gear (31), the right end of the motor shaft is fixedly provided with a first supporting plate (48) on the left side of the base (26), the first supporting plate (48) is fixedly provided with a first bearing (45) on the left side, the first bearing (45) is internally fixedly provided with a second rotating shaft (44), the lower side of the second rotating shaft (44) is fixedly provided with a second gear (47), the second gear (47) is meshed with the first gear (31), the second rotating shaft (44) upside is fixedly provided with a third gear (43), the first bearing (45) is fixedly provided with a second supporting plate (46), the second supporting plate (46) is fixedly provided with a second bearing (42), the second bearing (42) is internally fixedly provided with a third rotating shaft (41), a fourth gear (40) is fixedly arranged on the upper side of the third rotating shaft (41), and the fourth gear (40) is meshed with the third gear (43).

4. The iron and steel smelting plant of claim 3, wherein: the left end base (26) right side is fixed and is equipped with third backup pad (39), third backup pad (39) right side is fixed and is equipped with third bearing (38), third bearing (38) internal fixation is equipped with (mixing) shaft (28), the fixed fifth gear (37) that is equipped with in (mixing) shaft (28) outside, fifth gear (37) with fourth gear (40) meshing, fixed puddler (36) that is equipped with in (mixing) shaft (28) upper end.

5. The iron and steel smelting plant of claim 4, wherein: casing (10) wall internal fixation is equipped with heat preservation (25), heating chamber (24) right side is fixed and is equipped with gas conveyer pipe (32), gas conveyer pipe (32) with gas output tube (16) communicate with each other, gas conveyer pipe (32) left end is fixed and is equipped with combustion head (33), heating chamber (24) left side is fixed and is equipped with oxygen conveyer pipe (34), oxygen conveyer pipe (34) with oxygen output tube (18) communicate with each other, oxygen conveyer pipe (34) right side is fixed and is equipped with shower nozzle (35).

6. The iron and steel smelting plant of claim 5, wherein: the fixed blast pipe (21) that is equipped with of upper cover (19) downside, blast pipe (21) with exhaust hole (20) communicate with each other, fixed gas purifier (22) that is equipped with of blast pipe (21) downside, fixed gas hood (23) that is equipped with of gas purifier (22) downside, gas hood (23) cover smelting ware (27) top.