CN212426087U - Feeding system integrating main belt conveyor and scrap steel feeding - Google Patents
Feeding system integrating main belt conveyor and scrap steel feeding Download PDFInfo
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- CN212426087U CN212426087U CN202022051123.1U CN202022051123U CN212426087U CN 212426087 U CN212426087 U CN 212426087U CN 202022051123 U CN202022051123 U CN 202022051123U CN 212426087 U CN212426087 U CN 212426087U
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Abstract
The utility model provides a feeding system integrating a main belt conveyor and scrap steel feeding, which comprises a factory building, the main belt conveyor, a scrap steel feeding device and a lifting device, wherein an equipment installation area for arranging a driving device of the main belt conveyor and a scrap steel stacking and unloading area for storing scrap steel are arranged in the factory building; the scrap steel feeding device is arranged in the workshop and is positioned above the main belt conveyor; the lifting device is arranged in the workshop and is positioned above the scrap steel feeding device and the driving device of the main belt conveyor; when the scrap steel is fed, the scrap steel is lifted to a scrap steel feeding device from a scrap steel stacking and unloading area; when the main belt conveyor driving device is overhauled, the driving device is hoisted. The utility model discloses, scrap steel material loading and drive arrangement's maintenance sharing overhead hoist, the saving equipment investment has improved the utilization ratio of equipment. The scrap steel feeding device is arranged above the main belt conveyor in the factory building, the clearance above the main belt conveyor is fully utilized, the occupied area is small, and the cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of blast furnace smelting, concretely relates to reinforced integrated feeding system of main belt feeder and scrap steel.
Background
In the blast furnace ironmaking production process of ferrous metallurgy enterprises, raw fuels such as ores and cokes are usually added into a blast furnace for smelting through a main feeding belt conveyor. The head pulley of the main belt feeding machine is arranged at the top of the furnace, the driving device and the transmission roller of the main belt are arranged in a mechanical transmission chamber on the ground, a crane is specially designed at the top of the mechanical transmission chamber for overhauling and maintaining the driving device and the transmission roller, the utilization rate of the crane is low, the crane is often in an idle state, certain resource waste is caused, and the damage rate of the crane is high after the equipment is idle.
In addition, a large amount of scrap steel is generated in the production, replacement and scrapping processes of various industries, and in order to improve the recovery utilization rate of the scrap steel, save resources, reduce the iron-making ton-iron fuel ratio, save the iron-making cost, increase the yield of molten iron and the like, greater economic benefits are created. Therefore, adding scrap steel into a blast furnace for smelting is also a common mode adopted by many steel enterprises in recent years. At present, steel mills generally adopt a mode of designing a special scrap steel automobile receiving groove, a scrap steel yard hoisting mode, a loading vehicle shoveling mode and the like, and scrap steel is added into a feeding main belt conveyor. Any one of the above modes is independently arranged for feeding the scrap steel, and has the defects of site limitation, large floor area, high investment and the like.
The tail part of the main belt is provided with a special scrap steel feeding facility, a mechanical transmission chamber and a maintenance crane, so that the tail part of the main belt is in a tense area, the maintenance equipment of the mechanical transmission chamber and related scrap steel equipment cannot be comprehensively utilized, and the defects of high one-time investment, low equipment utilization rate and the like of civil engineering and equipment are caused.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art not enough, the utility model aims to provide a reinforced integrated feeding system of main belt feeder and scrap steel reduces occupation of land space, improve equipment utilization, reduces the disposable investment cost of civil engineering and equipment.
In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:
a feeding system integrating a main belt conveyor and scrap steel feeding comprises,
the device comprises a workshop, wherein an equipment installation area for arranging a driving device of a main belt conveyor and a waste steel stacking and unloading area for storing waste steel are arranged in the workshop;
the main belt conveyor penetrates through the workshop and is used for conveying raw materials and waste steel to the blast furnace;
the scrap steel feeding device is arranged in the workshop, is positioned above the main belt conveyor and is used for feeding scrap steel to the main belt conveyor;
the lifting device is arranged in the factory building, is positioned above the scrap steel feeding device and the driving device of the main belt conveyor, and is used for lifting the scrap steel and the driving device of the main belt conveyor; when the scrap steel is fed, the scrap steel is lifted to the scrap steel feeding device from the scrap steel stacking and unloading area; when the driving device of the main belt conveyor is overhauled or installed, the driving device is hoisted.
The utility model discloses, be in the same place the reinforced relevant facility integration of steel scrap to the relevant transmission facility of main belt feeder, have the saving and take up an area of, reduce civil engineering expense, advantage that the investment is little. The purpose of two kinds of equipment of make full use of, the overhead hoist is shared in the maintenance of steel scrap material loading and main belt feeder, practices thrift the equipment investment, has improved the utilization ratio of equipment. The scrap steel feeding device is arranged above the main belt conveyor in the factory building, the upper clearance of the main belt conveyor is fully utilized, and civil engineering cost and occupied area are saved by the shared factory building. The scrap steel can be evenly tiled on the surface of the ore to be fully mixed, and the damage of the scrap steel to the main belt conveyor is small.
Optionally, the scrap steel feeding point of the main belt conveyor is located in a factory building, and the raw material receiving point of the main belt conveyor is located outside the factory building and located at the upstream of the scrap steel feeding point of the main belt conveyor.
Optionally, the movement range of the lifting device covers the scrap steel stacking and unloading area, the scrap steel feeding device and the equipment installation area.
Optionally, a protection plate is arranged above the equipment installation area in the plant.
Optionally, the equipment installation area is located below the main belt conveyor; the position of the scrap steel removing and feeding device above the belt gallery of the main belt conveyor is provided with a protection plate.
Optionally, the guard plate is detachably mounted in the plant.
Optionally, the scrap steel feeding device comprises a scrap steel weighing hopper and a scrap steel feeder, the scrap steel feeder is arranged below the scrap steel weighing hopper, and the scrap steel weighing hopper is erected right above the main belt conveyor through a supporting structure.
Optionally, a grating is arranged on the top of the scrap steel weighing hopper.
Optionally, the equipment installation area and the scrap steel stacking and discharging area are arranged in a factory building in a transversely separated mode, and the equipment installation area and the scrap steel feeding device are arranged in tandem in the conveying direction of the main belt conveyor.
Optionally, the hoisting device comprises a crane, the crane is provided with a lifting hook for hoisting the driving device and an electromagnetic chuck for hoisting the scrap steel, and the crane can be switched between the lifting hook and the electromagnetic chuck.
Optionally, a crane beam for crane walking is arranged on the side wall of the plant.
Optionally, the main belt conveyor obliquely passes through the lower space of the plant, and a gallery of the main belt conveyor is obliquely erected on a support table of a side wall of the plant; the tail receiving point and the head of the main belt conveyor are both located outside the plant, the tail receiving point of the main belt conveyor is lower than the head of the main belt conveyor, the tail receiving point is used for receiving raw materials, and the head of the main belt conveyor is conveyed to the blast furnace.
As mentioned above, the utility model has the advantages that: under the normal production condition, the hoisting device undertakes the feeding of the scrap steel, and the scrap steel is hoisted to the scrap steel feeding device from the scrap steel stacking and unloading area, so that the scrap steel is added when the normal feeding of the main belt conveyor is ensured, and then the scrap steel is smelted in a furnace. When the main belt conveyor fails and the driving device needs to be overhauled, the main belt conveyor stops running, raw materials and scrap steel stop adding into the blast furnace, and the lifting device is used for carrying lifting work when the driving device is overhauled. The utility model discloses, be in the same place the reinforced relevant facility integration of steel scrap to the relevant transmission facility of main belt feeder, have the saving and take up an area of, reduce civil engineering expense, advantage that the investment is little. The purpose of two kinds of equipment of make full use of, with the overhead hoist of scrap steel material loading and the overhead hoist that main belt feeder overhauld sharing, practice thrift the equipment investment, improved the utilization ratio of equipment to effectively avoid or reduce the fault rate of idle equipment. The scrap steel feeding device is arranged above the main belt conveyor in the factory building, the upper clearance of the main belt conveyor is fully utilized, and civil engineering cost and occupied area are saved by the shared factory building. The scrap steel can be evenly tiled on the surface of the ore to be fully mixed, and the damage of the scrap steel to the main belt conveyor is small.
Drawings
Fig. 1 is a schematic view of a vertical arrangement of an embodiment of the present invention;
fig. 2 is a plan view of an embodiment of the present invention.
Part number description:
1-factory building 1; 11-equipment installation area; 12-scrap steel dumping zone; 13-crane beam; 14-a support table; 2-main belt conveyor; 21-tail receiving point; 22-a head; 23-a tensioning device; 24-a drive device; 24 a-a drive mechanism; 24 b-a driving roller; 25-corridor; 3, a hoisting device; 31-a cross beam; 32-a hook; 33-an electromagnetic chuck; 41-scrap steel weighing hopper; 42-scrap feeder; 5-protection plate; 6-a support structure; 7-a grid.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Examples
As shown in fig. 1 to fig. 2, the feeding system of the embodiment, in which a main belt conveyor and a scrap steel feeding are integrated, includes a factory building 1 (or warehouse), a main belt conveyor 2 (belt conveyor), a scrap steel feeding device, and a lifting device 3. The plant 1 is internally provided with an equipment installation area 11 and a scrap steel stacking and unloading area 12, and the equipment installation area 11 and the scrap steel stacking and unloading area 12 are arranged on the ground or a support foundation in the plant 1; the equipment installation area 11 and the scrap discharge area 12 are laterally spaced apart or separated by a partition wall (i.e., horizontally spaced apart to form separate areas); the main belt conveyor 2 penetrates through the space below the workshop 1 and is used for conveying raw materials and scrap steel to a blast furnace; the equipment installation area 11 is used for arranging the drive devices 24 of the main belt conveyor 2, such as drive components, transmission mechanisms, rollers and the like, and the scrap stacking area 12 is used for storing scrap and stacking the transported scrap.
The scrap steel feeding device is arranged in the workshop 1, is positioned above the main belt conveyor 2 and is used for feeding scrap steel to the main belt conveyor 2; the lifting device 3 is arranged in the factory building 1, is positioned above the scrap steel feeding device and the main belt conveyor 2, and is used for lifting scrap steel and a driving device 24 of the main belt conveyor 2; when the scrap steel is fed, the scrap steel is lifted to the scrap steel feeding device from the scrap steel piling and unloading area 12, then the scrap steel is fed to the main belt conveyor 2 by the scrap steel feeding device, and the scrap steel and the raw materials are sent to the blast furnace together; when the driving device 24 of the main belt conveyor 2 is overhauled or installed, the lifting device 3 is used for lifting the driving device 24.
The utility model discloses, under the normal production condition, the material loading of scrap steel is undertaken to overhead hoist 3, with the scrap steel by scrap steel heap unload district 12 handling to scrap steel loading attachment, add the scrap steel when guaranteeing the normal material loading of main belt feeder 2, and then go into the stove and smelt. When the main belt conveyor 2 fails and the driving device 24 needs to be overhauled, the main belt conveyor 2 stops running, raw materials and scrap steel stop being added into the blast furnace, and the lifting device 3 is used for lifting the driving device 24 during overhauling. The utility model discloses, the relevant transmission facility of main belt feeder 2 is integrated together with reinforced relevant facility of scrap steel, has the saving and takes up an area of, reduces civil engineering expense, advantage that the investment is little. The usage of two kinds of equipment of make full use of, sharing overhead hoist 3 that steel scrap material loading and main belt feeder overhauld practices thrift the equipment investment, has improved the utilization ratio of equipment to effectively avoid or reduce the fault rate of idle equipment. The scrap steel feeding device is arranged above the main belt conveyor 2 in the plant 1, the headroom above the main belt conveyor 2 is fully utilized, and the civil engineering cost and the occupied area are saved by the shared plant. The scrap steel can be evenly tiled on the surface of the ore to be fully mixed, and the damage of the scrap steel to the main belt conveyor 2 is small.
The plant 1 is of a closed structure with walls on four sides and a top cover, or the plant 1 is of a non-closed structure, and the top cover is supported by a stand column or the walls.
Wherein, the steel scrap material loading point of main belt feeder 2 is located factory building 1, the raw materials of main belt feeder 2 receives the material point to be located outside factory building 1 to be located the upper reaches of the steel scrap material loading point of main belt feeder 2, can make the steel scrap drop to the raw materials when the material loading, be convenient for on the one hand mix, on the other hand raw materials form the buffering, avoid the steel scrap directly to fall on main belt feeder 2, damage main belt feeder 2.
The main belt conveyor 2 comprises a main belt, a driving device 24, a tensioning device 23, a corridor 25 and other structures, the main belt conveyor 2 obliquely penetrates through the lower space of the plant 1, and the corridor 25 of the main belt conveyor 2 is obliquely erected on a support table 14 arranged on the side wall of the plant 1; the tail receiving point 21 and the head 22 of the main belt conveyor 2 are both located outside the plant 1, the tail receiving point 21 of the main belt conveyor 2 is lower than the head 22 of the main belt conveyor 2, the tail receiving point 21 is used for receiving raw materials, and the head 22 of the main belt conveyor 2 is conveyed to a blast furnace. The tensioning device 23 of the main belt conveyor 2 is arranged outside the factory building 1, the driving device 24 is arranged in the equipment installation area 11 in the factory building 1, the driving device 24 comprises a driving mechanism 24a and a transmission roller 24b, and the driving mechanism 24a comprises a motor, a speed reducer, a transmission structure of the speed reducer and the like.
In this example, the equipment installation area 11 and the scrap steel feeding device are arranged in tandem in the conveying direction of the main belt conveyor 2, the scrap steel feeding device is staggered up and down in front of the equipment installation area 11, and the scrap steel stacking and unloading area 12 is positioned on one side of the scrap steel feeding device, so that the scrap steel can be conveniently lifted and transported.
The scrap steel loading attachment includes scrap steel weighing hopper 41 and scrap steel batcher 42, and directly over main belt feeder 2 was erect through bearing structure 6 to scrap steel weighing hopper 41, and scrap steel batcher 42 sets up in the below of scrap steel weighing hopper 41, and is located main belt feeder 2 top, and scrap steel weighing hopper 41 and scrap steel batcher 42 can adopt current equipment, and concrete structure is no longer repeated. The supporting structure 6 can be a supporting frame erected on the ground or a factory building wall, and the like.
In order to prevent the scrap steel from falling onto the main belt conveyor 2 or the driving device 24 of the equipment installation area 11, a protection plate 5 is arranged in the plant 1 above the equipment installation area 11, and in the embodiment, the equipment installation area 11 is arranged below the main belt conveyor 2; the guard plates 5 are arranged above the belt gallery of the main belt conveyor 2 except for the position of the scrap steel feeding device. As shown in fig. 2, the spaces above the main belt conveyor 2 are each provided with a shielding plate 5, and the shielding plates 5 are mounted on a support structure 6 to flow out of the mounting space in correspondence with the position of the scrap weighing hopper 41. The protection plate 5 can prevent scrap steel from falling between the belt and the roller of the main belt conveyor 2 to scratch the belt.
In order to facilitate the handling of the drive 24 of the main belt conveyor 2 underneath for servicing, the protecting plate 5 is detachably mounted in the building 1, i.e. on the supporting structure 6, for example by means of bolts or the like, or in some other more convenient manner. The top of the scrap steel weighing hopper 41 is provided with a grid 7, so that the influence of large scrap steel entering the scrap steel weighing hopper 41 on the feeding smoothness is prevented.
As shown in fig. 2, the moving range of the lifting device 3 covers the scrap stacking and unloading area 12, the scrap loading device and the equipment installation area 11, namely the whole area of the workshop 1. And a crane beam 13 used for the lifting device 3 to walk is arranged on the side wall of the workshop 1.
The lifting device 3 comprises a crane, a cross beam 31 of the crane spans and supports the crane beam 13 of the factory building 1, a track is arranged on the crane beam 13, and the crane can move in X, Y, Z three directions to meet lifting requirements of a transverse space and a longitudinal space. The crane is provided with a hook 32 for lifting the driving device 24 and an electromagnetic chuck 33 for lifting the scrap, and the crane can be switched between the hook 32 and the electromagnetic chuck 33. Specifically, the electromagnetic suction cup 33 may be hung from the hook 32, or one of the electromagnetic suction cup 33 and the hook 32 may be separately installed by a crane and switched during use.
The utility model discloses, the steel scrap is transported and self-discharging through car or load wagon and is stored in the steel scrap unloading district 12 of factory building 1. Under the normal production condition, the electromagnetic chuck 33 of the crane undertakes the feeding of the scrap steel, and the scrap steel is added when the normal feeding of the main belt is ensured, and then the scrap steel enters the furnace for smelting. The crane feeds the scrap steel into the scrap steel weighing hopper 41 through the electromagnetic chuck 33, and when the blast furnace needs to add the scrap steel, the scrap steel feeder 42 adds the scrap steel in the scrap steel weighing hopper 41 to the surface of the ore of the blast furnace main belt conveyor 2 and feeds the scrap steel into the furnace together with the ore and the blast furnace main belt conveyor 2. When the scrap feeder 42 is not in operation, the crane feeds the scrap into the scrap weighing hopper 41 through the electromagnetic chuck 33. Under the condition that the main belt conveyor 2 has a fault, when the driving device 24 and the transmission roller need to be overhauled, the main belt conveyor 2 stops running, raw materials and scrap steel stop being added into the blast furnace, the electromagnetic suction disc 33 of the crane is taken down at the moment, the protection plate 5 is moved away, and the lifting hook 32 of the crane bears the overhauling and hoisting functions of the driving device 24 and the transmission roller.
Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (12)
1. The utility model provides a reinforced integrated feeding system of main belt feeder and scrap steel which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the device comprises a workshop, wherein an equipment installation area for arranging a driving device of a main belt conveyor and a waste steel stacking and unloading area for storing waste steel are arranged in the workshop;
the main belt conveyor penetrates through the workshop and is used for conveying raw materials and waste steel to the blast furnace;
the scrap steel feeding device is arranged in the workshop, is positioned above the main belt conveyor and is used for feeding scrap steel to the main belt conveyor;
the lifting device is arranged in the factory building, is positioned above the scrap steel feeding device and the driving device of the main belt conveyor, and is used for lifting the scrap steel and the driving device of the main belt conveyor; when the scrap steel is fed, the scrap steel is lifted to the scrap steel feeding device from the scrap steel stacking and unloading area; when the driving device of the main belt conveyor is overhauled or installed, the driving device is hoisted.
2. The main belt conveyor and scrap steel charging integrated feeding system according to claim 1, characterized in that: the scrap steel feeding point of the main belt conveyor is located in a factory building, and the raw material receiving point of the main belt conveyor is located outside the factory building and located at the upstream of the scrap steel feeding point of the main belt conveyor.
3. The main belt conveyor and scrap steel charging integrated feeding system according to claim 1, characterized in that: the moving range of the lifting device covers the waste steel stacking and unloading area, the waste steel feeding device and the equipment installation area.
4. The main belt conveyor and scrap steel charging integrated feeding system according to claim 1, characterized in that: and a protection plate is arranged above the equipment installation area in the plant.
5. The main belt conveyor and scrap steel charging integrated feeding system according to claim 1, characterized in that: the equipment installation area is positioned below the main belt conveyor; the position of the scrap steel removing and feeding device above the belt gallery of the main belt conveyor is provided with a protection plate.
6. The main belt conveyor and scrap steel charging integrated feeding system according to claim 4 or 5, characterized in that: the guard plate is detachably installed in the plant.
7. The main belt conveyor and scrap steel charging integrated feeding system according to claim 1, characterized in that: the scrap steel feeding device comprises a scrap steel weighing hopper and a scrap steel feeder, the scrap steel feeder is arranged below the scrap steel weighing hopper, and the scrap steel weighing hopper is erected right above the main belt conveyor through a supporting structure.
8. The main belt conveyor and scrap steel charging integrated feeding system according to claim 7, characterized in that: and a grid is arranged at the top of the scrap steel weighing hopper.
9. The main belt conveyor and scrap steel charging integrated feeding system according to claim 1, characterized in that: the equipment installation area and the waste steel stacking and unloading area are transversely arranged in a plant separately, and the equipment installation area and the waste steel feeding device are arranged in tandem in the conveying direction of the main belt conveyor.
10. The main belt conveyor and scrap steel charging integrated feeding system according to claim 1, characterized in that: the lifting device comprises a crane, the crane is provided with a lifting hook for lifting the driving device and an electromagnetic chuck for lifting the scrap steel, and the crane can be switched between the lifting hook and the electromagnetic chuck.
11. The main belt conveyor and scrap steel charging integrated feeding system according to claim 1, characterized in that: and a crane beam used for a crane to walk is arranged on the side wall of the workshop.
12. The main belt conveyor and scrap steel charging integrated feeding system according to claim 1, characterized in that: the main belt conveyor obliquely penetrates through the lower space of the plant, and a gallery of the main belt conveyor is obliquely erected on a support table of a side wall of the plant; the tail receiving point and the head of the main belt conveyor are both located outside the plant, the tail receiving point of the main belt conveyor is lower than the head of the main belt conveyor, the tail receiving point is used for receiving raw materials, and the head of the main belt conveyor is conveyed to the blast furnace.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022051123.1U CN212426087U (en) | 2020-09-17 | 2020-09-17 | Feeding system integrating main belt conveyor and scrap steel feeding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022051123.1U CN212426087U (en) | 2020-09-17 | 2020-09-17 | Feeding system integrating main belt conveyor and scrap steel feeding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113637818A (en) * | 2021-08-10 | 2021-11-12 | 广东韶钢松山股份有限公司 | Blast furnace scrap steel feeding device and blast furnace scrap steel adding smelting method |
-
2020
- 2020-09-17 CN CN202022051123.1U patent/CN212426087U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113637818A (en) * | 2021-08-10 | 2021-11-12 | 广东韶钢松山股份有限公司 | Blast furnace scrap steel feeding device and blast furnace scrap steel adding smelting method |
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