CN211112059U - Accurate scrap steel device that adds in molten iron jar - Google Patents
Accurate scrap steel device that adds in molten iron jar Download PDFInfo
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- CN211112059U CN211112059U CN201921840079.3U CN201921840079U CN211112059U CN 211112059 U CN211112059 U CN 211112059U CN 201921840079 U CN201921840079 U CN 201921840079U CN 211112059 U CN211112059 U CN 211112059U
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- molten iron
- steel scrap
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- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The utility model provides an accurate steel scrap device that adds in molten iron jar, including the rail weighbridge, add the steel scrap platform, steel scrap hopper and hopper pneumatic cylinder, add the steel scrap platform setting at the rail weighbridge side, the steel scrap hopper is installed on adding the steel scrap platform, the front side of steel scrap hopper bottom with add the steel scrap platform articulated, the piston rod of the articulated hopper pneumatic cylinder of rear side of steel scrap hopper bottom, hopper pneumatic cylinder lower part is articulated with the middle part frame that adds the steel scrap platform, the hopper pneumatic cylinder is located the hydraulic pressure station that adds steel scrap platform lower part through hydraulic line connection. Adopt the utility model discloses but the steel scrap addition of accurate control hot metal ladle car, according to actual production's molten iron composition, molten iron temperature and hot metal bottle capacity, the addition of every jar of steel scrap is mastered to the accuracy, effectively adjusts the molten iron temperature after adding the steel scrap to avoid the drawback of molten iron bottle bottom bottoming and package mouth knot lid. In addition, adopt the utility model discloses can also eliminate and empty the iron flower that the scrap steel brought and splash and smog dust pollution problem in the molten iron jar.
Description
Technical Field
The utility model relates to a device for accurately adding scrap steel in a molten iron tank outside a metallurgical blast furnace.
Background
The method adds the scrap steel in the steel smelting process flow and improves the scrap steel ratio, and is the most direct and effective method for saving energy, reducing consumption, dredging potential, improving efficiency and improving yield of steel enterprises. The energy-saving effect of the scrap steel as a metal iron material is reflected in effectively reducing the fuel ratio of a blast furnace and improving the yield of the blast furnace, and the empirical data shows that 100kg of scrap steel is added into per ton of iron, the coke ratio is reduced by 30kg/t, and the yield is improved by 4-6%. The hot-metal bottle outside the blast furnace adds the scrap steel, is favorable to protecting resources, saves energy consumption, reduces pollution, and improves the energy utilization rate. The most serious problem is that the temperature of molten iron is reduced due to the addition of the scrap steel, and bottom and cover of the ladle mouth can be formed at the bottom of the ladle, thereby influencing the tapping of a blast furnace and the iron adding of steel making. At present, visual extensive scrap adding is mostly adopted for adding scrap in a molten iron tank outside a blast furnace, and the error of the adding quantity of the scrap can directly influence the temperature of the molten iron and cause the problems of bottom forming, cover forming of a ladle opening and the like of the molten iron tank.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve prior art's problem, provide an accurate scrap steel device that adds in the molten iron jar that can accurately master every jar of scrap steel addition.
The problem of the utility model is realized with following technical scheme:
the utility model provides an accurate steel scrap device that adds in molten iron jar, including the rail weighbridge, add the steel scrap platform, steel scrap hopper and hopper pneumatic cylinder, add the steel scrap platform setting at the rail weighbridge side, the steel scrap hopper is installed on adding the steel scrap platform, the front side of steel scrap hopper bottom with add the steel scrap platform articulated, the piston rod of the articulated hopper pneumatic cylinder of rear side of steel scrap hopper bottom, hopper pneumatic cylinder lower part is articulated with the middle part frame that adds the steel scrap platform, the hopper pneumatic cylinder is located the hydraulic pressure station that adds steel scrap platform lower part through hydraulic line connection.
The accurate steel scrap device that adds in above-mentioned molten iron jar still includes the steel scrap chute, and the steel scrap chute is installed in the steel scrap hopper lower part, and steel scrap chute middle part is articulated with adding the steel scrap platform, and the one end of keeping away from the molten iron jar of steel scrap chute is equipped with the counter weight.
Above-mentioned accurate steel scrap device that adds in molten iron jar still includes dust removal mechanism, and dust removal mechanism is equipped with the dust excluding hood, and the dust excluding hood is located the upper portion of molten iron jar, and the dust excluding hood is through the pipe connection dust remover.
Above-mentioned accurate steel scrap device that adds in the molten iron jar adds the steel scrap platform and is equipped with track scale display and operation control box.
The utility model discloses but the steel scrap addition of accurate control hot metal ladle car, according to actual production's molten iron composition, molten iron temperature and hot metal bottle capacity, the addition of every jar of steel scrap is mastered to the accuracy, effectively adjusts the molten iron temperature after adding the steel scrap to avoid the drawback of molten iron bottle bottom bottoming and package mouth knot lid. In addition, adopt the utility model discloses can also eliminate and empty the iron flower that the scrap steel brought and splash and smog dust pollution problem in the molten iron jar.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures are: 1. the device comprises a dust cover, 2, a scrap steel chute, 3, a scrap steel hopper, 4, a scrap steel adding platform, 5, a hopper hydraulic cylinder, 6, a hydraulic station, 7, an operation control box, 8, a rail weighbridge display, 9, a rail weighbridge, 10, a molten iron tank, 11 and a balance weight.
Detailed Description
Referring to fig. 1, the utility model discloses a rail weighbridge 9, add scrap steel platform 4, scrap steel hopper 3 and hopper pneumatic cylinder 5. The rail weighbridge is connected with the rail for transporting the hot metal bottle, the scrap steel adding platform is arranged beside the weighbridge, the scrap steel hopper is arranged on the scrap steel adding platform, the front side of the bottom of the scrap steel hopper is hinged to the scrap steel adding platform, the rear side of the bottom of the scrap steel hopper is hinged to a piston rod of the hopper hydraulic cylinder, and the lower portion of the hopper hydraulic cylinder is hinged to a middle frame of the scrap steel adding platform. When the piston rod of the hydraulic cylinder of the hopper extends out, one side of the scrap steel hopper is supported to dump the scrap steel. The hopper hydraulic cylinder is connected with a hydraulic station 6 positioned at the lower part of the scrap steel adding platform through a hydraulic pipeline. The scrap steel adding platform is provided with an operation control box 7 and a rail balance display for displaying weight.
Still referring to fig. 1, to reduce the impact and dust flying of scrap entering the hot metal ladle 10, a scrap chute 2 is provided. The scrap steel chute is installed and is located the scrap steel hopper lower part in adding the scrap steel platform department, and the middle part of scrap steel chute is articulated with the middle part frame that adds the scrap steel platform, and the one end that the hot-metal bottle was kept away from to the scrap steel chute is equipped with counter weight 11. The arrangement of the balance weight can keep the scrap steel chute in a horizontal state when not in work, and the scrap steel chute is prevented from colliding with a molten iron tank below. The working state of the scrap steel chute inclines towards the molten iron tank under the action of the scrap steel, the working end of the scrap steel chute corresponds to the molten iron tank, and the scrap steel poured by the scrap steel hopper slides into the molten iron tank through the scrap steel chute.
Still referring to fig. 1, in order to prevent the pollution of smoke and dust when dumping the scrap, a dust removing mechanism is provided, which is provided with a dust hood 1 and a dust remover, the dust hood is installed on the upper part of the hot metal ladle through a bracket, and the dust hood is connected with the dust remover through a pipeline.
The utility model discloses during the use, utilize electromagnetism to hang or the overhead traveling crane in advance places the scrap steel hopper with the scrap steel. When the hot-metal ladle reaches the scrap steel adding process area, the ladle opening is aligned with the scrap steel chute; an operator calculates the weight of scrap steel required to be added according to the information of the yield, the components, the temperature and the like of molten iron known in advance and the weight of the molten iron tank displayed by a rail weighbridge display; operating the control box, lifting the hydraulic cylinder to enable the scrap steel in the scrap steel hopper to be poured into a scrap steel chute, wherein the chute is inclined downwards under the gravity of the scrap steel, and the scrap steel flows into a molten iron tank along with the gradient of the chute; an operator controls the hydraulic cylinder and focuses on the quantity display on the rail weighbridge display at the same time, and the hopper hydraulic cylinder returns after the required quantity of the scrap steel is added, and the scrap steel adding is stopped; the dust remover is started to work when scrap steel is added, and the environment pollution caused by dust emission and smoke emission is avoided.
Claims (4)
1. The utility model provides an accurate scrap steel device that adds in molten iron jar which characterized in that: including rail weighbridge (9), add scrap steel platform (4), scrap steel hopper (3) and hopper pneumatic cylinder, add the scrap steel platform setting in rail weighbridge side, the scrap steel hopper is installed on adding the scrap steel platform, the front side of scrap steel hopper bottom with add the scrap steel platform articulated, the piston rod of the articulated hopper pneumatic cylinder of rear side of scrap steel hopper bottom, hopper pneumatic cylinder lower part is articulated with the middle part frame that adds the scrap steel platform, the hopper pneumatic cylinder is located through hydraulic line connection and adds hydraulic pressure station (6) of scrap steel platform lower part.
2. The accurate scrap steel feeding device in the molten iron tank according to claim 1, characterized in that: still include steel scrap chute (2), the steel scrap chute is installed in steel scrap hopper lower part, and steel scrap chute middle part is articulated with adding the steel scrap platform, and the one end of keeping away from the hot-metal bottle of steel scrap chute is equipped with counter weight (11).
3. The accurate scrap steel feeding device in the molten iron tank according to claim 2, characterized in that: the hot metal ladle dust collection device is characterized by further comprising a dust removal mechanism, wherein the dust removal mechanism is provided with a dust removal cover (1), the dust removal cover is located on the upper portion of the hot metal ladle (10), and the dust removal cover is connected with a dust remover through a pipeline.
4. The accurate scrap steel feeding device in the molten iron tank according to claim 3, characterized in that: the scrap steel adding platform is provided with a rail weighbridge display (8) and an operation control box (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921840079.3U CN211112059U (en) | 2019-10-30 | 2019-10-30 | Accurate scrap steel device that adds in molten iron jar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921840079.3U CN211112059U (en) | 2019-10-30 | 2019-10-30 | Accurate scrap steel device that adds in molten iron jar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211112059U true CN211112059U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921840079.3U Active CN211112059U (en) | 2019-10-30 | 2019-10-30 | Accurate scrap steel device that adds in molten iron jar |
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| CN (1) | CN211112059U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114410884A (en) * | 2022-01-21 | 2022-04-29 | 贵州大学 | Device for preventing scrap steel groove from sliding off during adding of scrap steel in converter and using method |
| CN115072637A (en) * | 2022-07-11 | 2022-09-20 | 广东韶钢松山股份有限公司 | Broken material feeding system of steel scrap |
-
2019
- 2019-10-30 CN CN201921840079.3U patent/CN211112059U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114410884A (en) * | 2022-01-21 | 2022-04-29 | 贵州大学 | Device for preventing scrap steel groove from sliding off during adding of scrap steel in converter and using method |
| CN114410884B (en) * | 2022-01-21 | 2023-01-13 | 贵州大学 | Device for preventing steel scrap groove from sliding off during steel scrap adding of converter and using method |
| CN115072637A (en) * | 2022-07-11 | 2022-09-20 | 广东韶钢松山股份有限公司 | Broken material feeding system of steel scrap |
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