CN220555698U - Slag granulating device for converter steelmaking - Google Patents
Slag granulating device for converter steelmaking Download PDFInfo
- Publication number
- CN220555698U CN220555698U CN202321779445.5U CN202321779445U CN220555698U CN 220555698 U CN220555698 U CN 220555698U CN 202321779445 U CN202321779445 U CN 202321779445U CN 220555698 U CN220555698 U CN 220555698U
- Authority
- CN
- China
- Prior art keywords
- hopper
- slag
- chain belt
- dehydrator
- converter steelmaking
- Prior art date
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- 239000002893 slag Substances 0.000 title claims abstract description 63
- 238000009628 steelmaking Methods 0.000 title claims abstract description 16
- 230000005484 gravity Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 5
- 230000018044 dehydration Effects 0.000 abstract description 5
- 238000006297 dehydration reaction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000004744 fabric Substances 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 9
- 238000011010 flushing procedure Methods 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The utility model relates to a slag granulating device for converter steelmaking, and belongs to the technical field of converter steelmaking slag treatment. The technical proposal is as follows: the granulating device comprises a granulating device and a dehydrator which are arranged in a box body (3), a plurality of hoppers (16) are identical in structure, the top of one side of each hopper (16) which is forward relative to the advancing direction is hinged on a bracket, the bracket is vertically fixed on a chain belt (14), and the hoppers (16) can turn back and forth along the hinge points by means of gravity. When the hopper (16) filled with slag advances to the turning point at the forefront end of the chain belt (14), the hopper (16) gradually turns forward along the hinging point by means of self gravity to completely pour out the slag; when the hopper (16) moves to the turning point at the rearmost end along with the chain belt, the hopper gradually turns backwards along the hinging point by self gravity to reset. The utility model has the beneficial effects that: the automatic overturning of the hopper is used for discharging, cleaning is not needed, slag accumulation is avoided, production efficiency is improved, and the screen fabric hopper is used for improving dehydration efficiency.
Description
Technical Field
The utility model relates to a slag granulating device for converter steelmaking, and belongs to the technical field of converter steelmaking slag treatment.
Background
Steel slag is a main solid waste discharged in the converter steelmaking process, and the treatment and reuse of the steel slag are key problems of research. At present, the main treatment method for steelmaking slag at home and abroad comprises the following steps: coarse crushing and fine crushing are carried out on steel slag by using a crusher, the steel slag is crushed into small steel grains, the small steel grains are pretreated and then are subjected to a grinding process, and finally, the steel slag is purified by magnetic separation. The treatment method has the advantages of complex procedures, long production period, low recovery rate, large dust amount during crushing processing, poor economic benefit and environmental pollution, and occupies a large amount of land. Chinese patent CN99203936.3 discloses a "converter steelmaking slag granulating device" and 98201735.9 a converter steelmaking slag granulating device, mainly comprising devices such as a granulator and a dehydrator, because the hopper structure is unreasonable, the hopper is difficult to dump, slag accumulation is easy to cause, cleaning is difficult, and production efficiency is affected. In addition, in the process of dewatering slag, the equipment is often slow to operate due to insufficient dewatering efficiency.
Disclosure of Invention
The utility model aims to provide a slag granulating device for converter steelmaking, which can automatically overturn through a hopper to discharge without cleaning, can not cause slag accumulation, improves the production efficiency, and solves the technical problems existing in the prior art by adopting a screen fabric hopper to improve the dehydration efficiency.
The purpose of the utility model is realized in the following way:
the slag granulating device for converter steelmaking comprises a granulator and a dehydrator which are arranged in a box body, wherein the dehydrator is arranged in the box body in a tilting way, the upper end of the dehydrator extends out of the box body, the dehydrator consists of a driving wheel shaft, a driven wheel shaft, a chain belt and a hopper, the chain belt is sleeved on the driving wheel shaft and the driven wheel shaft, and the driving wheel shaft is connected with a transmission device II outside the box body; the method is characterized in that: the structure of the hoppers is the same, the top of one side of the hopper, which is close to the front in the advancing direction, is hinged on the bracket, the bracket is vertically fixed on the chain belt, and the hopper can turn back and forth along the hinge point by means of gravity. When the hopper filled with slag advances to the turning point at the forefront end of the chain belt, the hopper gradually turns forward along the hinging point by means of self gravity to completely pour the slag; when the hopper moves to the turning point at the rearmost end along with the chain belt, the hopper gradually turns backwards and resets along the hinging point by self gravity.
The bottom surface and the side of hopper are screen cloth structure for dehydration efficiency is higher.
The hopper is hinged with the bracket through a rolling bearing, so that the hopper can be turned over freely.
The utility model has the beneficial effects that: the hopper is arranged above the chain belt through a bracket and a rolling bearing, and can automatically turn over after unloading. The receiving surface of the hopper is composed of a screen plate. The automatic overturning of the hopper is used for discharging, cleaning is not needed, slag accumulation is avoided, production efficiency is improved, and the screen fabric hopper is used for improving dehydration efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic diagram of a dehydrator according to the present utility model;
FIG. 4 is a schematic view of a hopper according to the present utility model;
in the figure: chimney 1, blast pipe 2, box 3, slag flushing water pipe one 4, slag inlet 5, slag flushing water pipe two 6, casing 7, break wheel 8, driven wheel axle 9, overflow port 10, flushing water pipe 11, outlet 12, manhole one 13, chain belt 14, slag hole 15, hopper 16, driving wheel axle 17, guard shield 18, manhole two 19, cold air siphon device 20, transmission one 21, transmission two 22, slag trap 161, screen structure 162.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The utility model is described in detail below with reference to the examples of the drawings.
The slag granulating device for converter steelmaking comprises a granulator and a dehydrator which are arranged in a box body 3, wherein the dehydrator is arranged in the box body 3 in a tilting way, the upper end of the dehydrator extends out of the box body, the dehydrator consists of a driving wheel shaft 17, a driven wheel shaft 9, a chain belt 14 and a hopper 16, the chain belt 14 is sleeved on the driving wheel shaft 17 and the driven wheel shaft 9, and the driving wheel shaft 17 is connected with a transmission device II 22 outside the box body 3; the method is characterized in that: the hoppers 16 are identical in structure, the top of one side, which is forward relative to the advancing direction, of each hopper 16 is hinged to a bracket, the brackets are vertically fixed on the chain belts 14, and the hoppers 16 can turn back and forth along the hinge points by means of gravity. When the hopper 16 filled with slag runs to the turning point at the forefront end of the chain belt 14, the hopper 16 gradually turns forward along the hinge point by virtue of self gravity to completely pour out the slag; when the hopper 16 moves to the rearmost turning point along with the chain belt 14, the hopper 16 gradually turns backwards along the hinging point by self gravity to reset.
Both the bottom and side surfaces of the hopper 16 are screen structures 162 to provide for greater dewatering efficiency.
The hopper 16 is hinged with the bracket through a rolling bearing, so that the hopper can be turned over freely.
The front end of the dehydrator is provided with a shield 18, the front end of the shield 18 is connected with a slag hole 15, a first overhaul hole 13 is arranged below the shield, the chimney 1 is positioned above the dehydrator at the outlet of the granulator, a cold air siphon device 20 is arranged on the chimney 1, the bottom of the box body 3 is provided with a water outlet 12, the opposite side of the water outlet 12 is provided with a flushing water pipe 11, and an overflow port 10 is arranged at a certain distance from the bottom of the box body 3.
The granulator is composed of a crushing wheel 8, a shell 7, a slag inlet 5, a slag flushing water pipe and an exhaust pipe 2, wherein the crushing wheel 8 is positioned in the shell 7 and is connected with a first transmission device 21, the slag inlet 5 is positioned above the crushing wheel 8, the slag flushing water pipe I4 and the slag flushing water pipe II 6 are respectively positioned on the shell 7 at two sides of the slag inlet 5, the exhaust pipe 2 is positioned above the shell 7, the shell 7 is fixed on the box body 3, and an outlet of the shell 7 is positioned above a dehydrator in the box body 3.
The working process of the utility model comprises the following steps: when a certain amount of steel slag is stored in the slag pot, the first transmission device 21 and the second transmission device 22 are started to enable the crushing wheel and the dehydrator to rotate, high-pressure water in the first slag flushing water pipe 4 and the second slag flushing water pipe 6 is simultaneously opened, 1300-l 400 ℃ steel slag enters the granulator through the slag inlet 5 and falls on the crushing wheel 8 after being flushed by the high-pressure water, the two crushing wheels rotate in opposite directions to impact and grind the slag, the slag is granulated through the combination of water quenching and mechanical crushing, the granulated slag falls into the hopper 16 of the dehydrator through the outlet of the granulator, and the slag baffle 161 in front of the hopper can prevent the slag from falling outside the hopper through gaps between the hoppers when falling. When the chain belt 14 advances to the turning point at the forefront end, the hopper 16 filled with slag gradually turns forward along the hinge point by means of self gravity to completely pour out the slag; when the hopper 16 moves to the turning point at the rearmost end along with the chain belt 14, the hopper 16 gradually turns backwards and resets along the hinging point by self gravity, so that automatic discharging is realized, and cleaning is not needed. The receiving surface of the hopper consists of a screen plate (shown in figure 4), water in the slag can be drained in the transportation process, meanwhile, the slag can be dried and granulated by self physical heat, steam generated in the dehydration process is cooled and discharged by the exhaust pipe 2 under the siphon action of the cold air siphon device 20, the granular slag with the water content less than 9% is discharged by the slag outlet 15 after being tipped over by the hopper under the driving of the transmission device II 22, the hopper after being tipped over in rotation is turned over due to the change of the gravity center position and returns to the upward opening posture, so that the slag falling phenomenon of the slag falling device under the dehydrator is reduced, the overflow port 10 under the dehydrator can prevent the water accumulation phenomenon in the operation of equipment, the first overhaul hole 13 and the second overhaul hole 19 are convenient for overhauling and replacing components, and the granulating stopping device can be disconnected according to the smelting rhythm and the slag storage quantity of the converter.
Claims (3)
1. The slag granulating device for converter steelmaking comprises a granulator and a dehydrator which are arranged in a box body (3), wherein the dehydrator is arranged in the box body (3) in a tilting way, the upper end of the dehydrator extends out of the box body, the dehydrator consists of a driving wheel shaft (17), a driven wheel shaft (9), a chain belt (14) and a hopper (16), the chain belt (14) is sleeved on the driving wheel shaft (17) and the driven wheel shaft (9), and the driving wheel shaft (17) is connected with a transmission device II (22) outside the box body (3); the method is characterized in that: the structure of the hoppers (16) is the same, the top of one side of the hopper (16) which is forward relative to the advancing direction is hinged on the bracket, the bracket is vertically fixed on the chain belt (14), and the hopper (16) can turn back and forth along the hinge point by means of gravity.
2. The slag granulating apparatus for converter steelmaking as claimed in claim 1, wherein: the bottom surface and the side of the hopper (16) are both of a screen structure.
3. A slag granulating apparatus for converter steelmaking as claimed in claim 1 or 2, wherein: the hopper (16) is hinged with the bracket through a rolling bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321779445.5U CN220555698U (en) | 2023-07-07 | 2023-07-07 | Slag granulating device for converter steelmaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321779445.5U CN220555698U (en) | 2023-07-07 | 2023-07-07 | Slag granulating device for converter steelmaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220555698U true CN220555698U (en) | 2024-03-05 |
Family
ID=90051879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321779445.5U Active CN220555698U (en) | 2023-07-07 | 2023-07-07 | Slag granulating device for converter steelmaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220555698U (en) |
-
2023
- 2023-07-07 CN CN202321779445.5U patent/CN220555698U/en active Active
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| GR01 | Patent grant | ||
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