CN212357289U - Internal heat balance system of converter scrap steel furnace - Google Patents
Internal heat balance system of converter scrap steel furnace Download PDFInfo
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- CN212357289U CN212357289U CN202020622886.4U CN202020622886U CN212357289U CN 212357289 U CN212357289 U CN 212357289U CN 202020622886 U CN202020622886 U CN 202020622886U CN 212357289 U CN212357289 U CN 212357289U
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Abstract
The utility model belongs to the technical field of the steelmaking, especially, relate to a hot balanced system in converter scrap steel stove, include loading attachment, receiving device and converter. The feeding device comprises a conveyor, and coke block materials are in friction transmission on the conveyor. The receiving device is arranged on the converter and comprises an adjusting receiving mechanism and a fixed receiving mechanism; one end of the material adjusting and receiving mechanism is used for receiving coke block materials conveyed by the conveyor, and the other end of the material adjusting and receiving mechanism is hinged with the fixed material receiving mechanism; the material adjusting and receiving mechanism comprises a box body with an opening, a hydraulic cylinder, an adjusting plate and a processor. The utilization is with coke oven plant's coke breeze piece material from band conveyer to receiving device, and in the regulation receiving mechanism and the fixed receiving mechanism that pass through receiving device as required added the converter to the coke breeze piece material according to the user demand, the coke breeze piece material oxidation was exothermic at converter converting in-process, and it is not enough to provide sufficient heat help balance because of the heat that the scrap steel ratio improvement brought to improve converter scrap steel ratio.
Description
Technical Field
The utility model relates to a technical field of steelmaking especially relates to a hot balanced system in converter scrap steel stove.
Background
In order to reduce the molten iron consumption, the backward capacity is eliminated for the country, and after the bar steel is banned, the domestic scrap steel supply has a large surplus situation. Therefore, a larger amount of scrap steel is used in the steelmaking production, so that the production cost can be reduced, and the method has very important significance for ecological environment protection.
In the prior art, the converter heat balance limits the improvement of the scrap steel ratio due to the limitation of the converter steelmaking heat balance link, so that the scrap steel ratio of the converter is reduced.
Therefore, a system for balancing the internal heat of the converter scrap is needed, which can provide enough heat to help balance the insufficient heat caused by the increase of the scrap ratio, thereby increasing the scrap ratio of the converter.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hot balanced system in converter steel scrap stove aims at solving because of the steel scrap is than improving the heat that brings not enough to improve the technical problem that converter steel scrap is than.
In order to achieve the above object, the utility model discloses a main technical scheme include: a heat balance system in a converter scrap steel furnace comprises a feeding device, a receiving device and a converter;
the feeding device comprises a conveyor, wherein coke block materials are in friction transmission on the conveyor, and the conveyor conveys the coke block materials from a low position to a high position;
the receiving device is arranged on the converter and comprises an adjusting receiving mechanism and a fixed receiving mechanism;
the adjusting material receiving mechanism is arranged at the high position of the conveyor, one end of the adjusting material receiving mechanism is used for receiving coke block materials conveyed by the conveyor, and the other end of the adjusting material receiving mechanism is hinged with the fixed material receiving mechanism;
the adjusting material receiving mechanism comprises a box body with an opening, a hydraulic cylinder, an adjusting plate and a processor;
the hydraulic cylinder is arranged in the inner cavity of the box body, and the driving end of the hydraulic cylinder is hinged with the adjusting plate;
the adjusting plate is provided with a movable end and a connecting end, the movable end of the adjusting plate is erected above the box body, and the connecting end of the adjusting plate is hinged with the fixed material receiving mechanism;
the processor is electrically connected with the hydraulic cylinder and used for controlling the lifting of the hydraulic cylinder, and the processor is electrically connected with an external controller;
the fixed material receiving mechanism is used for conveying the coke block materials from the adjusting plate to the converter, and is provided with a material receiving end and a material discharging end;
the converter is provided with a feed inlet, the feed inlet is positioned at the discharge end of the fixed receiving mechanism, and the feed inlet is used for conveying the coke block materials into the converter.
Preferably, the fixed material receiving structure comprises a first plate, a second plate and a third plate;
the coke briquette material conveying device comprises a converter, a first plate, a second plate and a third plate, wherein the first plate, the second plate and the third plate are sequentially connected end to form a right-angled triangular prism, the first plate is arranged on the converter, the second plate is perpendicular to the first plate, and the third plate is used for conveying coke briquette materials from an adjusting plate into the converter.
Preferably, the rotation angle of the adjusting plate ranges from 0 degree to 135 degrees.
Preferably, the height of the side of the box body close to the conveyor is greater than the height of the side of the box body far away from the conveyor.
Preferably, a rubber gasket is arranged above one side, close to the conveyor, of the box body.
Preferably, the conveyor is a belt conveyor.
Preferably, a baffle is arranged at a position, far away from the fixed material receiving mechanism, of a feed inlet of the converter.
The utility model has the advantages that:
(1) the converter blowing process using the coke block material belongs to an exothermic reaction, and the generated heat effectively makes up the limited physical heat and chemical heat of molten iron, so that the heat required by the melting of the scrap steel is met.
(2) The adjusting plate on the middle box body of the material receiving device can rotate along the connecting end, so that the speed of coke block materials on the adjusting plate entering the converter can be controlled, and the coke block materials can be added and used according to use requirements in the converting process of the converter.
(3) The coke block material is small coke blocks screened after coke production and screening in a coking plant, belongs to waste materials, utilizes waste utilization, and effectively reduces environmental pollution caused by waste treatment, thereby protecting the ecological environment.
(4) The beneficial conditions of surplus steel scrap resources are fully utilized, the internal heat balance of the converter for converter steelmaking is improved, and the steel scrap ratio of the converter is further improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a heat balance system in a converter scrap steel furnace according to the present invention;
fig. 2 is a schematic sectional view of the receiving device and the converter of the present invention.
[ description of reference ]
10: a feeding device; 101: a conveyor; 102: a coke block material; 20: a material receiving device; 201: adjusting the material receiving mechanism; 2011: a box body; 2013: an adjusting plate; 2014: a processor; 202: fixing a material receiving mechanism; 2021: a first plate; 2022: a second plate; 2023: a third plate; 30: a converter; 301: a feed inlet; 302: and a baffle plate.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
A heat balance system in a converter scrap steel furnace comprises a feeding device 10, a receiving device 20 and a converter 30;
the feeding device 10 comprises a conveyor 101, coke block materials 102 are in friction transmission on the conveyor 101, and the conveyor 101 conveys the coke block materials 102 from a low position to a high position.
The coke block material 102 is a small coke block screened after coke production and screening in a coking plant, belongs to waste materials, and can improve the heat balance in the converter 30 for converter steelmaking while reducing solid garbage by utilizing the waste materials, so that the converter scrap ratio is improved.
The receiving device 20 is disposed on the converter 30, and the receiving device 20 includes an adjusting receiving mechanism 201 and a fixing receiving mechanism 202.
The adjusting material receiving mechanism 201 is arranged at a high position of the conveyor 101, one end of the adjusting material receiving mechanism 201 is used for receiving the coke block materials 102 conveyed by the conveyor 101, and the other end of the adjusting material receiving mechanism 201 is hinged to the fixed material receiving mechanism 202.
Further, the material receiving adjusting mechanism 201 can rotate along the hinged point of the material receiving adjusting mechanism and the fixed connecting mechanism 202, and the gliding speed of the coke block material 102 is controlled, so that the coke block material can be added and used according to the use requirement in the converter blowing process.
The adjusting receiving mechanism 201 comprises a box 2011 with an opening, a hydraulic cylinder 2012, an adjusting plate 2013 and a processor 2014;
the hydraulic cylinder 2012 is arranged in an inner cavity of the box 2011, and a driving end of the hydraulic cylinder 2012 is hinged with the adjusting plate 2013;
the adjusting plate 2013 is provided with a movable end and a connecting end, the movable end of the adjusting plate 2013 is erected above the box 2011, and the connecting end of the adjusting plate 2013 is hinged with the fixed material receiving mechanism 202;
the processor 2014 is electrically connected with the hydraulic cylinder 2012 and used for controlling the lifting of the hydraulic cylinder 2012, and the processor 2014 is electrically connected with an external controller.
Wherein, the processor 2014 is controlled by an external controller according to the amount of heat required in the converter 30, the processor 2014 receives and processes a signal of the external controller, and then transmits the signal to the hydraulic cylinder 2012, and the inclination angle of the adjusting plate 2013 hinged with the hydraulic cylinder 2012 is adjusted by the lifting of the hydraulic cylinder 2012. When a large amount of heat is needed, the processor 2014 is controlled by the external controller to control the hydraulic cylinder 2012 to ascend to the maximum, the movable end of the adjusting plate 2013 is lifted upwards, the inclination of the adjusting plate 2013 is maximized, the coke block material 102 can slide downwards conveniently, and the adding speed and the adding quantity of the coke block material 102 to the converter 30 can be increased. When less heat is needed, the hydraulic cylinder 2012 is controlled by the external controller to keep the adjusting plate 2013 level or the upward movement distance of the hydraulic cylinder 2012 is smaller, so that the inclination of the adjusting plate 2013 is smaller, and the adjusting plate 2013 can be added and used according to the use requirement.
The fixed receiving mechanism 202 is used for conveying the coke block materials 102 from the adjusting plate 2013 to the converter 30, and the fixed receiving mechanism 202 has a receiving end and a discharging end;
a feed inlet 301 is formed in the converter 30, the feed inlet 301 is located at the discharge end of the fixed material receiving mechanism 202, and the feed inlet 301 is used for conveying the coke block material 102 to the converter 30.
Specifically, in order to ensure that the coke block materials can slide down into the converter 30 from the upper side of the adjusting plate 2013 in a buffering manner, the fixed material receiving mechanism 202 comprises a first plate 2021, a second plate 2022 and a third plate 2023;
the first plate 2021, the second plate 2022 and the third plate 2023 are sequentially connected end to form a right-angled triangular prism, the first plate 2021 is disposed on the converter 30, the second plate 2022 is perpendicular to the first plate 2021, and the third plate 2023 is used for conveying the coke block materials 102 from the adjusting plate 2013 to the converter 30.
Specifically, in order to match the heat requirement in the converter 30, the rotation range of the adjustment plate 2013 is as wide as possible, and the rotation angle of the adjustment plate 2013 is in the range of 0 to 135 degrees.
Specifically, to ensure that coke breeze material 102 can slide freely when the adjustment plate 2013 is not rotating, the height of the box 2011 on the side closer to the conveyor 101 is greater than the height of the box 2011 on the side farther from the conveyor 101.
Specifically, the adjusting plate 2013 and the box 2011 can be continuously separated from contact with each other, so that the box 2011 is not damaged, and a rubber gasket is arranged above the side, close to the conveyor 101, of the box 2011.
Specifically, the conveyor 101 is a belt conveyor for more convenient movement of the coke cake material 102.
Specifically, in order to prevent the coke briquette materials 30 from splashing to the outside when the receiving device 20 adds the coke briquette materials 30 into the converter 30, a baffle 302 is provided at a position of the feed opening 301 of the converter 30 away from the fixed receiving mechanism 202.
In summary, coke block materials 102 of a coke plant are fed from the belt conveyor 102 to the material receiving device 20, and the coke block materials 102 are fed and used into the converter 30 according to the use requirements through the material receiving adjusting mechanism 201 and the material receiving fixing mechanism 202 of the material receiving device 20, so that the coke block materials 102 are oxidized and released heat in the blowing process of the converter 30, sufficient heat is provided to help balance insufficient heat caused by the improvement of the steel scrap ratio, the steel scrap ratio of the converter is improved, the yield is increased, and the benefit is improved.
It should be understood that the above description of the embodiments of the present invention is only for illustrating the technical lines and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, but the present invention is not limited to the above specific embodiments. All changes and modifications that come within the scope of the claims are to be embraced within their scope.
Claims (7)
1. A heat balance system in a converter scrap steel furnace is characterized by comprising a feeding device, a receiving device and a converter;
the feeding device comprises a conveyor, wherein coke block materials are in friction transmission on the conveyor, and the conveyor conveys the coke block materials from a low position to a high position;
the receiving device is arranged on the converter and comprises an adjusting receiving mechanism and a fixed receiving mechanism;
the adjusting material receiving mechanism is arranged at the high position of the conveyor, one end of the adjusting material receiving mechanism is used for receiving coke block materials conveyed by the conveyor, and the other end of the adjusting material receiving mechanism is hinged with the fixed material receiving mechanism;
the adjusting material receiving mechanism comprises a box body with an opening, a hydraulic cylinder, an adjusting plate and a processor;
the hydraulic cylinder is arranged in the inner cavity of the box body, and the driving end of the hydraulic cylinder is hinged with the adjusting plate;
the adjusting plate is provided with a movable end and a connecting end, the movable end of the adjusting plate is erected above the box body, and the connecting end of the adjusting plate is hinged with the fixed material receiving mechanism;
the processor is electrically connected with the hydraulic cylinder and used for controlling the lifting of the hydraulic cylinder, and the processor is electrically connected with an external controller;
the fixed material receiving mechanism is used for conveying the coke block materials from the adjusting plate to the converter, and is provided with a material receiving end and a material discharging end;
the converter is provided with a feed inlet, the feed inlet is positioned at the discharge end of the fixed receiving mechanism, and the feed inlet is used for conveying the coke block materials into the converter.
2. The system of claim 1, wherein the fixed receiving structure comprises a first plate, a second plate, and a third plate;
the coke briquette material conveying device comprises a converter, a first plate, a second plate and a third plate, wherein the first plate, the second plate and the third plate are sequentially connected end to form a right-angled triangular prism, the first plate is arranged on the converter, the second plate is perpendicular to the first plate, and the third plate is used for conveying coke briquette materials from an adjusting plate into the converter.
3. The system of claim 1, wherein the rotation angle of the regulating plate is in a range of 0 to 135 degrees.
4. The system of claim 1, wherein the height of the box on the side closer to the conveyor is greater than the height of the box on the side farther from the conveyor.
5. The system of claim 1, wherein a rubber gasket is disposed over a side of the box adjacent to the conveyor.
6. The system of claim 1, wherein the conveyor is a belt conveyor.
7. The system of claim 1, wherein a baffle is disposed at a position away from the fixed receiving mechanism at the feed inlet of the converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020622886.4U CN212357289U (en) | 2020-04-21 | 2020-04-21 | Internal heat balance system of converter scrap steel furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020622886.4U CN212357289U (en) | 2020-04-21 | 2020-04-21 | Internal heat balance system of converter scrap steel furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212357289U true CN212357289U (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020622886.4U Active CN212357289U (en) | 2020-04-21 | 2020-04-21 | Internal heat balance system of converter scrap steel furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212357289U (en) |
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2020
- 2020-04-21 CN CN202020622886.4U patent/CN212357289U/en active Active
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