CN217536066U

CN217536066U - Automatic loading equipment for tunnel kiln reduction sponge iron

Info

Publication number: CN217536066U
Application number: CN202220919045.9U
Authority: CN
Inventors: 吴矿林; 赵钢; 周长云; 刘万升
Original assignee: Chaoyang Bosheng Metallurgical Technology Co ltd
Current assignee: Chaoyang Bosheng Metallurgical Technology Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-10-04
Anticipated expiration: 2032-04-20

Abstract

The application provides an automatic loading equipment of tunnel cave reduction sponge iron includes: the frame, the upper surface at the frame is installed to the lifting unit detachable, lifting unit includes the hoist engine, the both sides of hoist engine respectively are equipped with a rolling unit, and the inside winding of rolling unit has wire rope, and wire rope's lower surface is equipped with the crossbeam, relate to tunnel kiln technical field, wherein, adopt lifting unit, lifting unit includes hoist engine and rolling axle, and the rolling axle winding has wire rope, wire rope and the crossbeam interconnect of bottom, the crossbeam up-and-down motion of drive bottom, and the bottom of crossbeam is equipped with the mould, can load the raw materials inside the kiln jar through the mould is quick when the loading like this, can control the rising and the decline of floating lever simultaneously under drive assembly's effect, drive the motion of floating lever through drive assembly, can carry out the tamping operation with the inside raw materials of mould, need not use artifical labour.

Description

Automatic loading equipment for tunnel kiln reduction sponge iron

Technical Field

The utility model relates to a tunnel cave technical field especially relates to an automatic loading equipment of tunnel cave reduction sponge iron.

Background

The tunnel kiln is a modern continuous sintering thermal device, is widely used for sintering production of ceramic products, and is also widely applied in metallurgical industries such as grinding materials and the like.

The direct reduction method for tunnel kiln is an important coal-based direct reduction ironmaking method, and uses high-grade concentrate powder (containing Fe69% -70%) as raw material, and the concentrate powder is pressed and loaded into clay or silicon carbide crucible, and then the periphery of the crucible is filled with reduced coke powder and lime. The amount of the added lime is about 10-15% of the mixed material, so as to ensure good desulfurization effect. The filling mode is various in interval or lattice mode. The reducing carbon needs to be added in excess to ensure that the reduction reaction is sufficient and the carbon is not reoxidized in the cooling process.

The crucible is filled and then covered but not sealed to allow the CO generated by the reduction process to be exhausted from the crucible and burned in the kiln, which provides about 80% of the heat required. The loaded crucibles are arranged on a trolley and sent into a tunnel kiln for heating, the temperature of the crucibles is increased to 1220 ℃ within 30 hours, then the crucibles are subjected to heat preservation and cooling for 60 hours, the crucibles are taken out of the kiln when the temperature of furnace charge is reduced to below 200 ℃, the sponge iron is separated by a magnetic separator after being cleaned, crushed and ground, the product is used for powder metallurgy or used for producing special steel instead of scrap steel, and in the method, the materials need to be filled and loaded during operation, and then the reduced sponge iron is produced and processed.

However, the device has the following problems in the use process:

the original loading platform needs more manpower for loading, and because manual operation does not accurately define the weight of the raw material, the amount of the material is determined by personal experience, so that the loading industry needs rich experience, and a mature loading industry needs time and material consumption. After the materials are filled, the materials need to be tamped by manpower, and a large amount of labor is needed for long-time loading. The manual loading is because some materials need artifical closely to be put in, even there is dust collecting equipment still to have some dust when putting in view of the material characteristics.

SUMMERY OF THE UTILITY MODEL

In order to overcome current not enough, the embodiment of the application provides an automatic loading equipment of tunnel cave reduction sponge iron, adopt lifting unit, lifting unit includes hoist engine and rolling axle, and the rolling axle winding has wire rope, wire rope and the crossbeam interconnect of bottom, drive the crossbeam up-and-down motion of bottom, and the bottom of crossbeam is equipped with the mould, can load the raw materials inside the kiln jar through the mould is quick like this when the loading, can control the rising and the decline of floating lever simultaneously under drive assembly's effect, drive the floating lever motion through drive assembly, can carry out the tamping operation with the inside raw materials of mould, need not use artifical labour.

The technical scheme adopted by the embodiment of the application for solving the technical problem is as follows:

an automatic loading equipment of tunnel cave reduction sponge iron includes: the frame, the upper surface at the frame is installed to the lifting unit detachable, lifting unit includes the hoist engine, and the both sides of hoist engine respectively are equipped with a rolling unit, and the inside winding of rolling unit has wire rope, and wire rope's lower surface is equipped with the crossbeam, and transmission assembly detachable installs at frame table wall, transmission assembly is including the hydro-cylinder unit that is used for going up and down and installing the tamping unit in both sides hydro-cylinder unit inboard.

Preferably, the lower surface of tamping unit is equipped with the unloading dolly, and the unloading dolly includes the kiln car to and install the kiln jar at kiln car upper surface, the kiln jar is equipped with a plurality of, and mutual parallel arrangement, a plurality of the inside of kiln jar all is equipped with the mould.

Preferably, the tamping unit comprises a floating rod for tamping the raw materials and a support beam for fixedly supporting the floating rod, the floating rod is fixedly connected with the support beam, and a through hole penetrates through the intersection of the support beam and the steel wire rope.

The ascending and descending of the floating rod can be controlled under the action of the transmission assembly, the floating rod is driven to move through the transmission assembly when materials are tamped, the raw materials in the die can be tamped, and manual labor is not needed.

Preferably, the hydro-cylinder unit is including the floating cylinder who is used for the ascending air cylinder of lift tamping unit and is used for supporting ascending air cylinder, the crossing department of hydro-cylinder unit and tamping unit is equipped with spacing seat.

Preferably, the winding unit comprises a transmission shaft connected with the winch and a winding shaft for winding the steel wire rope, the transmission shaft is fixedly connected with the winding shaft through bolts, one side of the winding shaft, which is far away from the winch, is respectively provided with a fixing seat, and the fixing seats are fixedly connected with the frame through bolts.

Therefore, the lifting assembly can be tightly connected with the frame under the action of the fixed seat.

Preferably, the frame is still including the roof of being connected with lifting unit and the stand that is used for supporting the roof, the hole has been seted up with the crossing department of stand to spacing seat, and the size of hole is the same with the cross-sectional dimension of stand.

When the lifting assembly runs, the limiting seat can move up and down on the outer surface of the upright post.

Preferably, two ends of the cross beam are fixedly connected with the bottom end of the transmission assembly.

Preferably, a transmission gear box is arranged at the intersection of the winch and the transmission shaft, a transmission gear is arranged on the transmission shaft close to the transmission gear box, and the transmission gear is meshed with a gear inside the transmission gear box.

Therefore, the gear inside the transmission gear box can be driven to rotate under the action of the winch, and the gear drives the transmission shaft to rotate, so that the winding shaft can be driven to wind the steel wire rope.

The embodiment of the application has the advantages that:

1. the utility model discloses the mode of well artifical loading is equipped with and adopts lifting unit and drive assembly combined action to carry out the loading down, and lifting unit includes hoist engine and rolling axle, and the winding of rolling axle has wire rope, and wire rope and the crossbeam interconnect of bottom can drive the crossbeam up-and-down motion of bottom through lifting unit to the bottom of crossbeam is equipped with the mould, can load the raw materials inside the kiln jar through the mould is quick like this when the loading.

2. The utility model discloses in be equipped with the floating lever in the inside of mould, floating lever and drive assembly interconnect can control the rising and the decline of floating lever under drive assembly's effect, smashes the material real-time, drives the floating lever motion through drive assembly, can carry out the tamping operation with the inside raw materials of mould, need not use artifical labour.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

FIG. 1 is a schematic view of the front view structure of the automatic loading equipment for tunnel kiln sponge iron reduction of the utility model;

FIG. 2 is a front view of the lifting assembly of the present invention;

FIG. 3 is a first structural diagram of the transmission assembly of the present invention;

fig. 4 is a schematic view of a second form of the transmission assembly of the present invention.

Description of the main reference numerals:

1. kiln car; 2. a kiln cylinder; 3. a mold; 4. a frame; 5. a lifting assembly; 51. a wire rope; 52. a fixed seat; 53. a winding shaft; 54. a drive shaft; 55. a hoist; 6. a cross beam; 7. a transmission assembly; 71. a floating oil cylinder; 72. a lift cylinder; 73. a through hole; 74. supporting a beam; 75. a floating rod; 76. a limiting seat.

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 efforts belong to the protection scope of the present invention. In addition, for the convenience of description, the following references to "upper", "lower", "left" and "right" are to be construed as referring to the upper, lower, left, right, etc. direction of the attached drawings, and the following references to "first", "second", etc. are to be distinguished for descriptive purposes and not for other specific meanings.

The embodiment of the application is through providing a concrete structure of automatic loading equipment of tunnel cave reduction sponge iron, adopt manual operation among the solution prior art, extravagant manpower and materials, dust splashes problem can appear in the in-process of tamping simultaneously, adopt lifting unit, lifting unit includes hoist engine and rolling axle, and the winding of rolling axle has wire rope, wire rope and the crossbeam interconnect of bottom, the crossbeam up-and-down motion of drive bottom, and the bottom of crossbeam is equipped with the mould, can load the raw materials inside the kiln jar through the mould is quick when the loading like this, can control the rising and the decline of floating lever under drive assembly's effect simultaneously, drive the floating lever motion through drive assembly, can carry out the tamping operation with the inside raw materials of mould, need not use artifical labour.

In order to solve the above problems, the technical solution in the embodiments of the present application has the following general idea:

example 1:

the embodiment provides a specific structure of an automatic loading device for reducing sponge iron in a tunnel kiln, as shown in fig. 1-4, comprising: a frame 4, a lifting component 5 and a transmission component 7,

the frame 4 is used for supporting the stability of the whole structure, the frame 4 further comprises a top plate connected with the lifting assembly 5 and an upright post used for supporting the top plate, a hole is formed at the intersection of the limiting seat 76 and the upright post, and the size of the hole is the same as the size of the cross section of the upright post;

the lifting component 5 is detachably arranged on the upper surface of the frame 4, and the beam 6 below the lifting component 5 is driven to move up and down by the lifting component 5.

During operation, the winch 55 inside the lifting assembly 5 operates to drive the rotating shafts 54 on the two sides to rotate, so as to drive the winding shaft 53 to rotate, so that the steel wire rope 51 can be wound, the cross beam 6 can be driven to ascend when the steel wire rope 51 is wound, and the tamping unit can be driven to ascend when the cross beam 6 ascends.

Wherein, lifting unit 5 includes hoist engine 55, the crossing department of hoist engine 55 and transmission shaft 54 is equipped with the transmission gear box, transmission shaft 54 is close to the transmission gear box and is equipped with drive gear, and drive gear is connected with the inside gear engagement of transmission gear box, the both sides of hoist engine 55 respectively are equipped with a rolling unit, the rolling unit includes transmission shaft 54 and the rolling axle 53 that is used for rolling up wire rope 51 of being connected with hoist engine 55, transmission shaft 54 passes through bolt fixed connection with rolling axle 53, one side that rolling axle 53 kept away from hoist engine 55 respectively is equipped with a fixing base 52, and fixing base 52 passes through bolt fixed connection with frame 4, and the inside winding of rolling unit has wire rope 51, and wire rope 51's lower surface is equipped with crossbeam 6, the both ends of crossbeam 6 and the bottom fixed connection of transmission unit 7.

Example 2:

the embodiment provides a specific structure of an automatic loading device for reducing sponge iron in a tunnel kiln, as shown in fig. 1-4, the embodiment also describes a transmission assembly 7 compared with embodiment 1, wherein the transmission assembly 7 is detachably mounted on the surface wall of the frame 4, the transmission assembly 7 comprises an oil cylinder unit for lifting and a tamping unit mounted on the inner side of the oil cylinder units on two sides, the oil cylinder unit comprises a lifting air cylinder 72 for lifting and lowering the tamping unit and a floating oil cylinder 71 for supporting the lifting air cylinder 72, and a limiting seat 76 is arranged at the intersection of the oil cylinder unit and the tamping unit.

Therefore, when the lifting component 5 runs, the limiting seat 76 can move up and down on the outer surface of the upright column, and the problem that the transmission component 7 deviates in the up-down lifting process can be avoided.

The lower surface of tamping unit is equipped with the unloading dolly, and the unloading dolly bears the raw materials, and the unloading dolly includes kiln car 1 to and install kiln jar 2 at 1 upper surface of kiln car, kiln jar 2 is equipped with a plurality of, and mutual parallel arrangement, and the inside of a plurality of kiln jar 2 all is equipped with mould 3.

The tamping unit comprises a floating rod 75 for tamping raw materials and a support beam 74 for fixedly supporting the floating rod 75, the floating rod 75 is fixedly connected with the support beam 74, and a through hole 73 penetrates through the intersection of the support beam 74 and the steel wire rope 51.

When the stamping machine operates, the oil cylinder unit drives the tamping unit to move up and down, so that the tamping unit tamps the raw materials in the die 3.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims

1. The utility model provides an automatic loading equipment of tunnel cave reduction sponge iron which characterized in that includes:

a frame (4);

the lifting component (5) is detachably arranged on the upper surface of the frame (4);

the lifting assembly (5) comprises a winch (55), two winding units are arranged on two sides of the winch (55), a steel wire rope (51) is wound inside each winding unit, and a cross beam (6) is arranged on the lower surface of each steel wire rope (51);

drive assembly (7), detachable installs at frame (4) table wall, drive assembly (7) are including the hydro-cylinder unit that is used for going up and down and install the tamping unit in both sides hydro-cylinder unit inboard.

2. The automatic loading equipment for the tunnel kiln sponge iron reduction as claimed in claim 1, wherein the lower surface of the tamping unit is provided with a blanking trolley, the blanking trolley comprises a kiln car (1) and a plurality of kiln cylinders (2) arranged on the upper surface of the kiln car (1), the kiln cylinders (2) are arranged in parallel, and the inside of the plurality of kiln cylinders (2) is provided with the mold (3).

3. The automatic loading equipment for reducing the sponge iron in the tunnel kiln according to the claim 1, wherein the tamping unit comprises a floating rod (75) for tamping the raw materials and a supporting beam (74) for fixedly supporting the floating rod (75), the floating rod (75) is fixedly connected with the supporting beam (74), and a through hole (73) penetrates through the intersection of the supporting beam (74) and the steel wire rope (51).

4. The automatic loading equipment for sponge iron reduction in a tunnel kiln as claimed in claim 1, wherein the cylinder unit comprises a lifting cylinder (72) for lifting the tamping unit and a floating cylinder (71) for supporting the lifting cylinder (72), and a limiting seat (76) is provided at the intersection of the cylinder unit and the tamping unit.

5. The automatic loading device for reducing sponge iron in the tunnel kiln according to claim 1, wherein the winding unit comprises a transmission shaft (54) connected with a winding machine (55) and a winding shaft (53) for winding the steel wire rope (51), the transmission shaft (54) is fixedly connected with the winding shaft (53) through bolts, one side of the winding shaft (53) far away from the winding machine (55) is respectively provided with a fixed seat (52), and the fixed seat (52) is fixedly connected with the frame (4) through bolts.

6. The automatic loading equipment for the tunnel kiln sponge iron reduction as claimed in claim 4, wherein the frame (4) further comprises a top plate connected with the lifting assembly (5) and a column for supporting the top plate, a hole is formed at the intersection of the limiting seat (76) and the column, and the size of the hole is the same as the cross section size of the column.

7. The automatic loading equipment for reducing sponge iron in a tunnel kiln as claimed in claim 1, characterized in that both ends of the beam (6) are fixedly connected with the bottom end of the transmission assembly (7).

8. The automatic loading equipment for the tunnel kiln sponge iron reduction as claimed in claim 5, characterized in that a transmission gear box is arranged at the intersection of the winch (55) and the transmission shaft (54), the transmission shaft (54) is provided with a transmission gear near the transmission gear box, and the transmission gear is meshed with a gear inside the transmission gear box.