CN217424002U - Vertical steel scrap baking and hot charging integrated device - Google Patents
Vertical steel scrap baking and hot charging integrated device Download PDFInfo
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- CN217424002U CN217424002U CN202220107072.6U CN202220107072U CN217424002U CN 217424002 U CN217424002 U CN 217424002U CN 202220107072 U CN202220107072 U CN 202220107072U CN 217424002 U CN217424002 U CN 217424002U
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Abstract
The utility model relates to a vertical scrap steel baking and hot charging integrated device, which comprises a preheating section furnace body (1) and a baking section furnace body (2) which are connected, wherein the lower part of the baking section furnace body (2) is connected with a hydraulic trolley (3); the lower part of the baking section furnace body (2) is connected with a hot flue (4), the lower part of the preheating section furnace body (1) is connected with two shutter punching plates (5) which are oppositely arranged, the upper part of each shutter punching plate (5) is hinged on the upper part and the lower part of the inner wall of the preheating section furnace body (1) and is connected with a discharging hydraulic push rod (6), and the discharging hydraulic push rod (6) is connected on the inner wall of the preheating section furnace body (1). The utility model has the advantages that can improve the temperature that the steel scrap got into the molten iron, clear away steel scrap surface adhered to organic matter, avoid taking place the direct vent phenomenon of VOC and black cigarette, for the lower stage toasts suitable raising the temperature fast, ensure that the steel scrap preheats the continuity operation of toasting.
Description
Technical Field
The utility model belongs to the technical field of scrap steel heating and hot dress technique and specifically relates to a vertical scrap steel toasts and hot dress integrated device.
Background
At present, when molten steel is smelted, scrap steel is directly added into molten iron for smelting, but the temperature of the scrap steel added into the molten iron is lower, the fuel consumption is higher, and the steelmaking process can be influenced; meanwhile, organic matters such as oil stains are attached to the surfaces of the scrap steel and enter molten iron together to participate in smelting, so that the direct discharge problem of VOC and black smoke can be caused, and the baking temperature can be influenced when the scrap steel enters the next-stage quick baking.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is exactly in order to solve the problem that current steel scrap entering molten iron temperature is low, fuel consumption is big, not environmental protection, provides a vertical steel scrap toasts and hot dress integrated device, can improve the temperature that the steel scrap got into the molten iron, clears away steel scrap surface adhesion's organic matter, avoids taking place the direct vent of VOC and black cigarette, toasts suitable raising the temperature for the lower stage fast, ensures that the steel scrap preheats the continuity operation of toasting.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a vertical type scrap steel baking and hot charging integrated device comprises a preheating section furnace body and a baking section furnace body, wherein the preheating section furnace body is connected above the baking section furnace body, and the lower part of the baking section furnace body is connected on a hydraulic trolley so as to discharge baked scrap steel into a ladle car;
the lower part of the baking section furnace body is connected with a hot flue, the lower part of the preheating section furnace body is connected with two shutter punching plates which are oppositely arranged, the upper part of each shutter punching plate is hinged to the upper part and the lower part of the inner wall of the preheating section furnace body and is connected with a discharging hydraulic push rod, and the discharging hydraulic push rod is connected to the inner wall of the preheating section furnace body so as to realize the opening and closing of the two punching plates through the push rod.
Furthermore, the baking section furnace body is of a cylindrical structure, refractory bricks are arranged in the baking section furnace body, and a furnace shell of the baking section furnace body is composed of a steel plate and a heat insulation material.
Further, the preheating section furnace body is of a square cylindrical structure and is composed of heat-resistant nodular cast iron and heat-insulating materials.
Further, the hydraulic trolley is made of nodular cast iron, and the inclination of the upper surface of the hydraulic trolley is 1: 10, so as to facilitate blanking of scrap steel.
Furthermore, the axes of the preheating section furnace body, the baking section furnace body and the hydraulic trolley are mutually overlapped.
Furthermore, when the lower ends of the two shutter punching plates are closed, a V-shaped structure is formed, and the preheating section furnace body and the baking section furnace body are separated by the V-shaped structure.
In the technical scheme of the utility model, the shutter type punching pore plate is adopted to separate between the baking section and the preheating section, the shutter type punching structure can ensure that hot flue gas smoothly enters the preheating section to participate in scrap steel preheating, and the pore plate is driven by the hydraulic push rod; when scrap steel is added into the device, the scrap steel enters the preheating section, flue gas of the hot blast stove enters the baking section from the hot flue and then enters the preheating section from the shutter type punching hole plate to preliminarily heat the scrap steel, after the temperature is raised for a period of time, the hydraulic push rod drives the hole plate to be opened, the scrap steel enters the baking section and is directly baked and heated by the hot flue gas, after the scrap steel is baked to a target temperature, the hydraulic trolley is opened from the middle, and the scrap steel enters the molten iron tank car. The utility model discloses a device can effectively improve the temperature that the steel scrap got into the molten iron, clears away steel scrap surface adhered to organic matter, for the lower stage toasts suitable raising the temperature fast, ensures the continuity operation that the steel scrap preheated and toasted.
Drawings
FIG. 1 is a schematic structural view of the vertical steel scrap baking and hot charging integrated device of the present invention.
Detailed Description
Example 1
In order to make the utility model more clearly understood, the following description is made in conjunction with the accompanying drawings to further explain the integrated device of the vertical steel scrap baking and hot charging of the utility model, and the specific embodiments described herein are only used for explaining the utility model, and are not used for limiting the utility model.
Referring to fig. 1, a vertical steel scrap baking and hot charging integrated device is characterized in that:
the preheating section furnace body 1 is of a square tubular structure and is composed of heat-resistant nodular cast iron and heat-insulating materials, the baking section furnace body 2 is of a tubular structure, a refractory brick 2a is arranged in the baking section furnace body, and a furnace shell of the baking section furnace body is composed of a steel plate and heat-insulating materials;
preheating section furnace body 1 is connected in the top of toasting section furnace body 2, and the sub-unit connection of toasting section furnace body 2 is on a hydraulic pressure dolly 3, and hydraulic pressure dolly 3 is the nodular cast iron material, and the inclination of its upper surface is 1: 10, discharging the baked scrap steel into a molten iron tank car;
the axes of the preheating section furnace body 1, the baking section furnace body 2 and the hydraulic trolley 3 are mutually overlapped;
the lower part of the baking section furnace body 2 is connected with a hot flue 4, the lower part of the preheating section furnace body 1 is connected with two shutter punching plates 5 which are oppositely arranged, the upper part of each shutter punching plate 5 is hinged on the upper part and the lower part of the inner wall of the preheating section furnace body 1 and is connected with a discharging hydraulic push rod 6, and the discharging hydraulic push rod 6 is connected on the inner wall of the preheating section furnace body 1 so as to realize the opening and closing of the two punching plates through the push rod;
when the lower ends of the two shutter punching plates 5 are closed, a V-shaped structure is formed, and the preheating section furnace body 1 and the baking section furnace body 2 are separated by the V-shaped structure.
In this embodiment, let cold steel scrap utilize the lower part in preheating section furnace body 1 to toast 2 exhaust waste gases of section furnace body and carry out preliminary preheating, both can clear away organic matters such as steel scrap surface adnexed greasy dirt like this to let smuggle the waste gas of greasy dirt and get into the high temperature zone postcombustion under circulating fan's effect secretly, thereby can avoid taking place the direct vent problem of VOC and black cigarette, toast suitable raising the temperature for the lower stage fast.
In the embodiment, the upper part of the preheating section furnace body 1 is a material waiting area, so that the continuous operation of preheating and baking the scrap steel can be ensured; the second stage is a rapid baking stage, high-temperature waste gas generated by burning blast furnace gas is introduced into a scrap baking bin to be directly baked, the baked high-temperature scrap is discharged into a ladle from the lower part of the scrap baking bin, correspondingly, part of the flue gas is shunted to a preheating bin filled with cold scrap to be preheated under the action of a circulating fan, and the waste gas is discharged from the top of the baking bin.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (6)
1. The utility model provides a vertical steel scrap toasts and hot charging integrated device which characterized in that:
the device comprises a preheating section furnace body (1) and a baking section furnace body (2), wherein the preheating section furnace body (1) is connected above the baking section furnace body (2), and the lower part of the baking section furnace body (2) is connected to a hydraulic trolley (3);
the lower part of the baking section furnace body (2) is connected with a hot flue (4), the lower part of the preheating section furnace body (1) is connected with two shutter punching plates (5) which are oppositely arranged, the upper part of each shutter punching plate (5) is hinged on the upper part and the lower part of the inner wall of the preheating section furnace body (1) and is connected with a discharging hydraulic push rod (6), and the discharging hydraulic push rod (6) is connected on the inner wall of the preheating section furnace body (1).
2. The integrated vertical scrap baking and hot charging device according to claim 1, wherein:
the baking section furnace body (2) is of a cylindrical structure, a refractory brick (2 a) is arranged in the baking section furnace body, and a furnace shell of the baking section furnace body is composed of a steel plate and a heat insulation material.
3. The integrated vertical scrap baking and hot charging device according to claim 1 or 2, wherein:
the preheating section furnace body (1) is of a square cylindrical structure and is composed of heat-resistant nodular cast iron and a heat-insulating material.
4. The integrated vertical scrap baking and hot charging device according to claim 1 or 2, wherein:
the hydraulic trolley (3) is made of nodular cast iron, and the inclination of the upper surface of the hydraulic trolley is 1: 10.
5. the integrated vertical steel scrap baking and hot charging device according to claim 1 or 2, wherein:
the axes of the preheating section furnace body (1), the baking section furnace body (2) and the hydraulic trolley (3) are mutually overlapped.
6. The integrated vertical scrap baking and hot charging device according to claim 1 or 2, wherein:
the lower ends of the two shutter punching plates (5) form a V-shaped structure when being closed, and the preheating section furnace body (1) and the baking section furnace body (2) are separated by the V-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220107072.6U CN217424002U (en) | 2022-01-17 | 2022-01-17 | Vertical steel scrap baking and hot charging integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220107072.6U CN217424002U (en) | 2022-01-17 | 2022-01-17 | Vertical steel scrap baking and hot charging integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217424002U true CN217424002U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220107072.6U Active CN217424002U (en) | 2022-01-17 | 2022-01-17 | Vertical steel scrap baking and hot charging integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217424002U (en) |
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2022
- 2022-01-17 CN CN202220107072.6U patent/CN217424002U/en active Active
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