CN211645307U - Device for adding scrap steel into molten iron tank on molten iron transportation line - Google Patents
Device for adding scrap steel into molten iron tank on molten iron transportation line Download PDFInfo
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- CN211645307U CN211645307U CN201922256222.0U CN201922256222U CN211645307U CN 211645307 U CN211645307 U CN 211645307U CN 201922256222 U CN201922256222 U CN 201922256222U CN 211645307 U CN211645307 U CN 211645307U
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Abstract
The utility model belongs to the technical field of metallurgical steelmaking, and relates to a device for adding scrap steel into a hot metal ladle on a hot metal conveying line, wherein a movable scrap steel adding trolley is adopted to move a movable scrap steel adding system to a corresponding hot metal ladle for scrap steel adding operation after the empty hot metal ladle returns, and the added scrap steel is timely moved to a standby position without influencing the operations of hoisting, seat packing and the like of the next hot metal ladle; moreover, the hoisting and hoisting operation of the charging bucket is carried out by adopting a movable scrap adding system by adopting a cantilever crane and a self-unloading type scrap basket, the load of the existing crane is not occupied, and meanwhile, the investment and the efficiency are lower and higher; set up the removal groove of induced drafting on portable steel scrap joining system traffic direction, carry out convulsions dust removal operation when portable steel scrap joining system carries out the steel scrap and adds, reduce a large amount of flue gases that produce when the steel scrap adds hot-metal bottle to the influence of steelmaking factory building environment.
Description
The technical field is as follows:
the utility model belongs to the technical field of metallurgical steelmaking, a device of adding scrap steel in the hot metal bottle on hot metal transportation line is related to.
Background art:
in recent years, with the increasing production of scrap resources, it is becoming common knowledge in the steel industry to increase the scrap ratio in the steel making process, reduce the steel making cost, and increase the economic efficiency. The scrap steel is an iron resource which can be recycled, the scrap steel ratio is improved, the environmental pollution and the comprehensive energy consumption can be greatly reduced, and the economic benefit of a steel plant can be improved. The existing measures for improving the steel-making plant steel scrap ratio include: the blast furnace adds the steel scrap, the tapping process adds the steel scrap (blast furnace casting field), the hot metal bottle adds the steel scrap and preheats, the steel scrap groove adds the steel scrap and preheats, adds the steel scrap and preheats after the stove, etc., wherein add the steel scrap in the hot metal bottle and be a simple efficient mode of adding, invest in lowly, efficient, can make full use of the preheating of high temperature molten iron simultaneously and melt the steel scrap.
At present, the method of adding scrap steel into a hot metal ladle on a hot metal transportation line for railway transportation generally adopts a mode of directly using an electromagnetic crane or directly adding scrap steel into the hot metal ladle by using other cranes, and the method needs to add an additional scrap steel adding crane, so that the crane has low efficiency and complex operation; meanwhile, a large amount of smoke is generated when scrap steel is added into the hot metal ladle, and great influence is generated on the workshop environment. Therefore, there is a strong need for an apparatus and method for improving the efficiency of adding scrap to a ladle on a molten iron transportation line.
The invention content is as follows:
the utility model discloses an invention aim at overcome the shortcoming that prior art exists, the design provides the device of adding the steel scrap in the hot metal bottle on the molten iron transportation line, improves the steel scrap and adds efficiency, produces the influence of flue gas to the steel plant area when reducing the steel scrap and adding.
In order to achieve the purpose, the main structure of the device for adding the steel scrap into the molten iron tank on the molten iron conveying line comprises a self-unloading type steel scrap basket, a dust removing air pipe, a movable type steel scrap adding trolley track, a molten iron tank truck track, a movable type steel scrap adding trolley receiving position, a cantilever crane, a molten iron tank truck, a No. 1 molten iron tank, a movable type steel scrap adding trolley No. 1 feeding position, a movable type steel scrap adding trolley No. 2 feeding position, a No. 2 molten iron tank, a movable type steel scrap adding trolley No. 3 feeding position, a No. 3 molten iron tank, a casting crane and a movable air exhaust groove; the movable type scrap steel adding trolley is placed on a movable type scrap steel adding trolley track, the movable type scrap steel adding trolley track is provided with four parking spaces, namely a movable type scrap steel adding trolley receiving position, a movable type scrap steel adding trolley 1# feeding position, a movable type scrap steel adding trolley 2# feeding position and a movable type scrap steel adding trolley 3# feeding position, and the movable type scrap steel adding trolley can accurately stop at the four positions; the inner side of the movable scrap adding trolley track is provided with two parallel hot metal ladle trolley tracks, each hot metal ladle trolley track is uniformly provided with a set of hot metal ladle car, each hot metal ladle car is arranged on the hot metal ladle trolley track, each set of hot metal ladle car is provided with a No. 1 hot metal ladle, a No. 2 hot metal ladle and a No. 3 hot metal ladle, the self-unloading scrap baskets are arranged near the ground at two sides of the hot metal ladle car, the movable scrap adding trolley is arranged right above the hot metal ladle car, and the adding positions on the movable scrap adding trolley just face the hot metal ladle car at each adding position; the two cantilever cranes are symmetrically arranged at two sides of the receiving position of the movable scrap adding trolley, the self-unloading type scrap baskets are hoisted to a seat tank position (the seat tank position refers to the position for placing a hot metal ladle) on the movable scrap adding trolley, the number of the self-unloading type scrap baskets is designed according to actual requirements, and the two dust removing air pipes and the plurality of self-unloading type scrap baskets are arranged at the top of the movable scrap adding trolley and move together with the movable scrap adding trolley; the movable air draft groove is arranged on one side of the movable scrap steel adding trolley track along the movable scrap steel adding trolley running direction and is arranged on a plant column, the casting crane is arranged on the plant column, and the 1# hot metal ladle, the 2# hot metal ladle and the 3# hot metal ladle are hoisted to perform iron adding operation and return to an empty ladle to the hot metal ladle car.
Self-discharging formula scrap steel basket's bottom is equipped with basket opening device, basket opening device adopts four connecting rods to open device in step.
The utility model discloses a movable scrap steel charging trolley comprises a scrap steel charging trolley frame, a three-in-one motor, an iron ladle/steel ladle, a charging chute and a wireless operation box; the dolly frame arrangement is added to the steel scrap and round trip movement on the dolly track is added to portable steel scrap, the steel scrap is added and is set up the sitting jar position and the basket opening device of placing self-discharging formula steel scrap basket on the dolly frame, the steel scrap is added dolly frame upper portion side and is equipped with the dust removal tuber pipe, reinforced elephant trunk setting is in sitting jar position below, ladle/ladle is placed in reinforced elephant trunk below, the steel scrap is added dolly frame both sides bottom and is equipped with trinity motor respectively, be used for providing drive power, wireless operation box arranges on the outside of factory post, wireless operation box and trinity motor and basket opening device wireless connection.
Compared with the prior art, the utility model, following beneficial effect has: firstly, a movable scrap adding trolley is adopted, after the empty ladle of the hot-metal ladle returns, a movable scrap adding system moves to a corresponding hot-metal ladle for scrap adding operation, the added scrap runs to a standby position in time, and the operations of lifting, seating and the like of the next hot-metal ladle are not influenced; secondly, the lifting in and out operation of the charging bucket is carried out by adopting a cantilever crane and a self-unloading type scrap basket to a movable scrap adding system, the burden of the existing crane is not occupied, and meanwhile, the investment and the efficiency are low and high; and thirdly, a movable air draft groove is arranged in the running direction of the movable scrap adding system, air draft and dust removal operation are carried out when the movable scrap adding system is used for adding scrap, and the influence of a large amount of smoke generated when the scrap is added into the hot iron ladle on the environment of the steel making factory building can be reduced.
Description of the drawings:
FIG. 1 is a sectional view of the main structure of the apparatus for adding scrap steel into a molten iron tank on a molten iron transportation line.
Fig. 2 is a layout diagram of the main structure of the device for adding scrap steel into the molten iron tank on the molten iron transportation line.
Figure 3 is the structural principle schematic diagram of the dolly is added to portable steel scrap.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings by way of examples.
Example (b):
the main structure of the device for adding the steel scrap into the molten iron tank on the molten iron transportation line comprises a plurality of self-unloading type steel scrap baskets 1, two dust removal air pipes 2, a movable type steel scrap adding trolley 3, a movable type steel scrap adding trolley track 4, a molten iron tank truck track 5, a movable type steel scrap adding trolley receiving position 6, two cantilever cranes 7, two molten iron tank trucks 8, two molten iron tanks 1# 9, a movable type steel scrap adding trolley 1# feeding position 10, a movable type steel scrap adding trolley 2# feeding position 11, two molten iron tanks 2# 12, a movable type steel scrap adding trolley 3# feeding position 13, two molten iron tanks 3# 14, a casting crane 15 and a movable air exhaust groove 16; the movable scrap steel adding trolley 3 is placed on the movable scrap steel adding trolley track 4 and moves back and forth along the movable scrap steel adding trolley track 4; the movable type scrap steel adding trolley track 4 is provided with four parking spaces, namely a movable type scrap steel adding trolley receiving position 6, a movable type scrap steel adding trolley 1# feeding position 10, a movable type scrap steel adding trolley 2# feeding position 11 and a movable type scrap steel adding trolley 3# feeding position 13, and the movable type scrap steel adding trolley 3 can accurately stop at the 4 positions; two parallel hot metal ladle car tracks 5 are arranged on the inner side of the movable scrap steel adding trolley track 4, a set of hot metal ladle car 8 is uniformly distributed on each hot metal ladle car track 5, the hot metal ladle car 8 is arranged on each hot metal ladle car track 5, each set of hot metal ladle car 8 is provided with a No. 1 hot metal ladle 9, a No. 2 hot metal ladle 12 and a No. 3 hot metal ladle 14, the self-unloading scrap steel baskets 1 are arranged near the ground on two sides of the hot metal ladle car 8, the movable scrap steel adding trolley 3 is arranged right above the hot metal ladle car 8, and the material adding position on the movable scrap steel adding trolley 3 just faces the hot metal ladle car 8 at each material adding position; the two cantilever cranes 7 are symmetrically arranged at two sides of the receiving position 6 of the movable scrap adding trolley, the self-discharging scrap baskets 1 are hoisted to the sitting tank positions (the sitting tank positions refer to the positions of the molten iron discharging tanks 9, 12 and 14) on the movable scrap adding trolley 3, the number of the self-discharging scrap baskets 1 is designed according to actual requirements, and the two dust removing air pipes 2 and the plurality of self-discharging scrap baskets 1 are arranged at the top of the movable scrap adding trolley 3 and move together with the movable scrap adding trolley 3; the movable air draft groove 16 is arranged on one side of the movable type scrap steel adding trolley track 4 along the running direction of the movable type scrap steel adding trolley 3 and is arranged on a factory building column, when the movable type scrap steel adding trolley 3 adds scrap steel to 3 positions of a movable type scrap steel adding trolley 1# feeding position 10, a movable type scrap steel adding trolley 2# feeding position 11 and a movable type scrap steel adding trolley 3# feeding position 13, the operation of air draft and dust removal is carried out on the generated smoke; the casting crane 15 is arranged on a plant column and used for hoisting the No. 1 hot metal ladle 9, the No. 2 hot metal ladle 12 and the No. 3 hot metal ladle 14 to carry out iron charging operation and returning empty ladles to the hot metal ladle car 8.
In this embodiment, the bottom of self-discharging formula scrap steel basket 1 is equipped with basket opening device 17, and basket opening device 17 adopts the synchronous opening device of four-bar linkage.
The movable scrap adding trolley 3 comprises a scrap adding trolley frame 18, a three-in-one motor 19, an iron ladle/steel ladle 20, a feeding chute 21 and a wireless operation box 22; dolly frame 18 is added to steel scrap and is arranged round trip movement on dolly track 4 is added to portable steel scrap, the steel scrap is added and is set up the sitting jar position and the basket opening device 17 of placing self-discharging formula steel scrap basket 1 on the dolly frame 18, the steel scrap is added dolly frame 18 upper portion side and is equipped with dust removal tuber pipe 2, reinforced elephant trunk 21 sets up and is sitting jar position below, ladle/ladle 20 is placed in reinforced elephant trunk 21 below, the steel scrap is added dolly frame 18 both sides bottom and is equipped with trinity motor 19 respectively, a drive power is provided for, wireless control box 22 is arranged on the outside of factory building post, wireless control box 22 and trinity motor 19 and basket opening device 17 wireless connection.
In the embodiment, when the steel ladles/ladles 6 need to be added with the steel scraps, the self-discharging type steel scrap basket 1 is hoisted to the tank seating position of the steel scrap adding trolley frame 18 in advance by using a crane, meanwhile, the basket opening device 17 is contacted with the self-discharging type steel scrap basket 1, an operation button on the wireless operation box 22 is operated according to the position of the steel ladles/ladles 20, and the steel scrap adding trolley frame 18 is driven by the three-in-one motor 18 to drive the self-discharging type steel scrap basket 1 to run together to the position right above the steel ladles/ladles 20; after the scrap adding trolley frame 18 is stopped to the corresponding position, a button on the wireless operation box 22 is operated, the material basket opening device 17 opens the self-discharging type scrap basket 1, and the scrap is added into the iron ladle/steel ladle 20 through the feeding chute 21.
The specific process of the working of the embodiment is as follows:
(1) when the 3# hot metal ladle 14 needs to be filled with steel scraps, firstly, the self-discharging type steel scrap basket 1 filled with steel scraps in a steel scrap stacking or steel scrap treatment room is transported to the ground near a hot metal ladle car track 5 by an automobile for storage, meanwhile, the movable type steel scrap adding trolley 3 is parked to the movable type steel scrap adding trolley receiving position 6, the self-discharging type steel scrap basket 1 is hung to a tank sitting position right above the movable type steel scrap adding trolley 3 by the cantilever crane 7, and the self-discharging type steel scrap baskets 1 are simultaneously seated at the two tank sitting positions; meanwhile, the hot metal ladle car 8 moves to a hot metal ladle lifting position along the hot metal ladle car track 5, the casting crane 15 lifts the 3# hot metal ladle 14 on the hot metal ladle car 8 to perform iron charging operation and returns the empty ladle to the hot metal ladle car 8, after the empty 3# hot metal ladle 14 charged with hot metal returns to the hot metal ladle car 8, the movable type scrap adding trolley 3 moves to a movable type scrap adding trolley 3# feeding position 13 along the movable type scrap adding trolley track 4, the empty 3# hot metal ladle 14 performs scrap feeding operation, and when the empty 3# hot metal ladle 14 performs scrap feeding operation, the dust removing air pipe 2 is automatically connected with the movable air suction groove 16 and performs air suction and dust removal operation;
(2) when the 2# hot metal ladle 12 needs to be added with the waste steel, the movable waste steel adding trolley 3 runs along the movable waste steel adding trolley track 4 to the movable waste steel adding trolley receiving position 6, then the self-unloading waste steel material basket 1 is hung to a sitting position right above the movable waste steel adding trolley 3 through the cantilever crane 7, after the empty 2# hot metal ladle 12 filled with the molten iron returns to the hot metal ladle car 8, the movable waste steel adding trolley 3 runs along the movable waste steel adding trolley track 4 to the movable waste steel adding trolley 2# feeding position 11, the waste steel feeding operation is carried out on the empty 2# hot metal ladle 12, and when the waste steel feeding operation is carried out on the empty 2# hot metal ladle 12, the dust removing air pipe 2 is automatically connected with the movable air exhaust groove 16 and carries out air exhaust and dust removing operation;
(3) when the No. 1 hot metal ladle 9 needs to be charged with scrap steel, the corresponding charging operation sequence is consistent with the above description, and after the No. 1 hot metal ladle 9, the two No. 2 hot metal ladles 12 and the two No. 3 hot metal ladles 14 are charged with the scrap steel, the hot metal ladle car 8 is driven to a blast furnace tapping position for tapping.
The above is only a preferred embodiment of the present invention, and the scope of the right of the present invention should not be limited by this, so that the equivalent changes made in the claims of the present invention still belong to the protection scope of the present invention.
Claims (3)
1. A device for adding steel scraps into a molten iron tank on a molten iron conveying line is characterized in that a main body structure comprises a self-unloading type steel scrap basket, a dust removal air pipe, a movable type steel scrap adding trolley track, a molten iron tank truck track, a movable type steel scrap adding trolley receiving position, a cantilever crane, a molten iron tank truck, a No. 1 molten iron tank, a movable type steel scrap adding trolley No. 1 feeding position, a movable type steel scrap adding trolley No. 2 feeding position, a No. 2 molten iron tank, a movable type steel scrap adding trolley No. 3 feeding position, a No. 3 molten iron tank, a casting crane and a movable air draft groove; the movable type scrap steel adding trolley is placed on a movable type scrap steel adding trolley track, and the movable type scrap steel adding trolley track is provided with four parking spaces, namely a movable type scrap steel adding trolley receiving position, a movable type scrap steel adding trolley 1# feeding position, a movable type scrap steel adding trolley 2# feeding position and a movable type scrap steel adding trolley 3# feeding position; the inner side of the movable scrap adding trolley track is provided with two parallel hot metal ladle trolley tracks, each hot metal ladle trolley track is uniformly provided with a set of hot metal ladle car, each hot metal ladle car is arranged on the hot metal ladle trolley track, each set of hot metal ladle car is provided with a No. 1 hot metal ladle, a No. 2 hot metal ladle and a No. 3 hot metal ladle, the self-unloading scrap baskets are arranged near the ground at two sides of the hot metal ladle car, the movable scrap adding trolley is arranged right above the hot metal ladle car, and the adding positions on the movable scrap adding trolley just face the hot metal ladle car at each adding position; the two cantilever cranes are symmetrically arranged at two sides of the receiving position of the movable scrap steel adding trolley, the number of the self-unloading scrap steel baskets is designed according to actual requirements, and the two dust removing air pipes and the plurality of self-unloading scrap steel baskets are arranged at the top of the movable scrap steel adding trolley; the movable air draft groove is arranged on one side of the movable scrap steel adding trolley track along the movable scrap steel adding trolley running direction and is arranged on a plant column, the casting crane is arranged on the plant column, and the 1# hot metal ladle, the 2# hot metal ladle and the 3# hot metal ladle are hoisted to perform iron adding operation and return to an empty ladle to the hot metal ladle car.
2. The apparatus for adding scrap to a ladle in a hot metal delivery line according to claim 1, wherein the basket opening means is provided at the bottom of the self-discharging scrap basket and the basket opening means is a four-bar linkage synchronous opening means.
3. The apparatus for charging scrap in a ladle on a molten iron transport line according to claim 2 wherein said mobile scrap charging car comprises a scrap charging car frame, a three-in-one motor, a ladle/ladle, a charging chute and a cordless operator box; the dolly frame arrangement is added to the steel scrap on portable steel scrap adds the dolly track, the steel scrap is added and is set up the sitting jar position and the basket opening device of placing self-discharging formula steel scrap basket on the dolly frame, the steel scrap is added dolly frame upper portion side and is equipped with the dust removal tuber pipe, reinforced elephant trunk setting is in sitting jar position below, ladle/ladle is placed in reinforced elephant trunk below, the steel scrap is added dolly frame both sides bottom and is equipped with trinity motor respectively, wireless operation box arranges on the outside of factory's post, wireless operation box and trinity motor and basket opening device wireless connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922256222.0U CN211645307U (en) | 2019-12-17 | 2019-12-17 | Device for adding scrap steel into molten iron tank on molten iron transportation line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922256222.0U CN211645307U (en) | 2019-12-17 | 2019-12-17 | Device for adding scrap steel into molten iron tank on molten iron transportation line |
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| CN211645307U true CN211645307U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922256222.0U Active CN211645307U (en) | 2019-12-17 | 2019-12-17 | Device for adding scrap steel into molten iron tank on molten iron transportation line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114381570A (en) * | 2022-01-07 | 2022-04-22 | 北京首钢国际工程技术有限公司 | Online molten iron jar steel scrap joining device |
-
2019
- 2019-12-17 CN CN201922256222.0U patent/CN211645307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114381570A (en) * | 2022-01-07 | 2022-04-22 | 北京首钢国际工程技术有限公司 | Online molten iron jar steel scrap joining device |
| CN114381570B (en) * | 2022-01-07 | 2024-04-02 | 北京首钢国际工程技术有限公司 | Online hot-metal bottle steel scrap adding device |
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