CN212320430U - Novel scrap steel preheats device - Google Patents
Novel scrap steel preheats device Download PDFInfo
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- CN212320430U CN212320430U CN202020983836.9U CN202020983836U CN212320430U CN 212320430 U CN212320430 U CN 212320430U CN 202020983836 U CN202020983836 U CN 202020983836U CN 212320430 U CN212320430 U CN 212320430U
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- furnace door
- discharging
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- preheating
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Abstract
The utility model provides a novel scrap steel preheating device, which comprises a preheating furnace body, wherein a funnel structure is arranged below the preheating furnace body, a vibration unloading device is arranged below the funnel structure, a feed inlet is arranged on the side wall of the preheating furnace body, a charging furnace door is arranged at the feed inlet, and a charging furnace door lifting mechanism is connected to the top of the charging furnace door and used for opening or closing the charging furnace door; an inclined charging slideway is arranged on the outer side of the preheating furnace body, the top of the charging slideway is a scrap steel inlet, and the bottom of the charging slideway is communicated with a feeding hole; a discharging furnace door is arranged below the preheating furnace body and above the funnel structure, the discharging furnace door is tightly attached to the preheating furnace body, sliding rails are arranged on two sides of the discharging furnace door, and two edges of the discharging furnace door are respectively arranged in the sliding rails on the two sides; the two ends of the discharging furnace door are respectively connected with a discharging furnace door traction mechanism, and the discharging furnace door traction mechanism can push the discharging furnace door to slide along the track. The utility model discloses increase feeding furnace gate and ejection of compact furnace gate, make the interior temperature of stove reach more than 1000, improve heating efficiency, energy saving and emission reduction.
Description
Technical Field
The utility model relates to a scrap steel heating furnace technical field, concretely relates to novel scrap steel preheats device.
Background
With the economic development, the available quantity of the scrap steel is larger than the yield of the crude steel, and links such as sintering, coking and the like can be omitted by utilizing the scrap steel for steelmaking, so that the energy is saved, and the environment is protected. The improvement of the steel-making proportion of the scrap steel is inevitable in the historical development from the viewpoint of short-term economic benefit and the viewpoint of long-term economic benefit and social benefit, and is also the best choice for the development of iron and steel enterprises. The preheating of the scrap steel is an effective means for improving the proportion of the scrap steel in the steelmaking raw materials.
The scrap steel preheating device in the field mainly has two discharging modes: 1. fixed scrap steel heating device does not have the ejection of compact furnace gate, and the ejection of compact department is by the continuous slow ejection of compact of vibration ejection of compact machine by vibration ejection of compact machine. Because the heating device is not sealed by the discharging furnace door, the temperature in the device can only be maintained at a lower temperature of 400 ℃, the heat efficiency is low, and fuel is wasted. 2. The trolley type scrap steel heating device adopts the operation principle of a trolley furnace, and materials are loaded by a trolley to finish the charging and discharging processes. Because the closed hearth is adopted, higher heating temperature can be achieved, the heat efficiency is higher, when discharging is carried out, the mechanical part of the charging trolley walking is subjected to the heat radiation of high-temperature materials, the failure rate is higher, and certain requirements are also met on the materials.
The utility model discloses a fixed steel scrap heating device, the upper portion of preheating furnace body sets up loading attachment, and the below sets up the vibration discharge apparatus, and the top and the bottom of preheating furnace body are all uncovered, and the temperature can only be maintained at lower level in the furnace body for the grant publication No. CN208872106U, invention name is a refining furnace steel scrap preheating feeding device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a scrap steel preheating device, can seal furnace, improve the interior temperature of stove to the not enough of above-mentioned prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel scrap steel preheating device comprises a preheating furnace body, wherein a funnel structure is arranged below the preheating furnace body, a vibration discharging device is arranged below the funnel structure, a feeding hole is formed in the side wall of the preheating furnace body, a charging furnace door is arranged at the feeding hole, and the top of the charging furnace door is connected with a charging furnace door lifting mechanism and used for opening or closing the charging furnace door; an inclined charging slideway is arranged on the outer side of the preheating furnace body, the top of the charging slideway is a scrap steel inlet, and the bottom of the charging slideway is communicated with a feeding hole; a discharging furnace door is arranged below the preheating furnace body and above the funnel structure, the discharging furnace door is tightly attached to the preheating furnace body, sliding rails are arranged on two sides of the discharging furnace door, and two edges of the discharging furnace door are respectively arranged in the sliding rails on the two sides; the two ends of the discharging furnace door are respectively connected with a discharging furnace door traction mechanism, and the discharging furnace door traction mechanism can push the discharging furnace door to slide along the track.
Further, the charging furnace door lifting mechanism comprises a hydraulic rod, an upper pulley, a lower pulley and a transmission rope; the transmission rope is sequentially connected with the charging furnace door, the upper pulley, the lower pulley and the hydraulic cylinder, and the hydraulic cylinder moves upwards to enable the charging furnace door to move upwards.
Furthermore, ejection of compact furnace gate traction mechanism includes hydraulic stem, first pulley, second pulley and driving rope, and ejection of compact furnace gate, first pulley, second pulley and hydraulic stem are connected gradually to the driving rope, and the hydraulic stem shrink can stimulate the ejection of compact furnace gate.
Has the advantages that: and a charging furnace door and a discharging furnace door are added, so that the temperature in the furnace reaches over 1000 ℃, the heating efficiency is improved, and the energy conservation and emission reduction are realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a lifting mechanism of a charging furnace door;
FIG. 3 is a schematic structural view of a drawing mechanism of a discharging furnace door;
reference numbers in the figures: 1. preheating a furnace body; 2. a charging furnace door; 3. a hydraulic lever; 4. a hydraulic cylinder; 5. a lower pulley; 6. an upper pulley; 7. a drive rope; 8. a sliding rail; 9. a discharge furnace door; 10. a first pulley; 11. a second pulley; 12. a hydraulic cylinder; 13. a drive rope; 14. a hydraulic lever; 15. a funnel structure; 16. a charging chute; 17. side plates.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1, a discharging furnace door 9, a funnel structure 15 and a vibration discharging device which are arranged in a sliding track 8 are sequentially arranged below a preheating furnace body 1, the funnel structure 15 and the vibration discharging device are respectively the same as the funnel structure and the vibration discharging device disclosed in the utility model patent with the title of a refining furnace scrap preheating and feeding device, wherein the publication number of the funnel structure and the vibration discharging device is CN 208872106U. The lateral wall of preheating furnace body 1 is equipped with the feed inlet, and the feed furnace gate 2 is installed to the feed inlet, and the top of feed furnace gate 2 is connected with feed furnace gate hoist mechanism. One side of the charging furnace door 2 is provided with a feeding channel which is composed of a charging slideway 16 and side plates 17 at two sides of the charging slideway 16, the top opening of the feeding channel is a scrap steel inlet, and the bottom of the feeding channel is connected with a feeding hole. Two ends of the discharging furnace door 9 are respectively connected with a drawing mechanism of the discharging furnace door.
As shown in fig. 2, the charging furnace door lifting mechanism comprises a pulling rope 7, an upper pulley 6, a lower pulley 5, a hydraulic rod 3 and a hydraulic cylinder 4, wherein the pulling rope 7 is sequentially connected with the charging furnace door 2, the upper pulley 6, the lower pulley 5 and the hydraulic rod 3. The hydraulic cylinder 4 is fixed on the side wall of the preheating furnace body 1, and the supporting structures of the upper pulley 6 and the lower pulley 5 are fixed on the top of the preheating furnace body 1. The hydraulic rod 3 slides upwards to drive the upper pulley 6 to rotate anticlockwise and the lower pulley 5 to rotate clockwise, the charging furnace door 2 interacts upwards, and the feed inlet is opened. When the charging furnace door 2 needs to be closed, the charging furnace door 2 can slide downwards under the action of gravity to close the feeding hole.
As shown in fig. 3, the discharging furnace door pulling mechanism on the right side of the discharging furnace door 9 comprises a pulling rope 13, a first pulley 10, a second pulley 11, a hydraulic rod 14 and a hydraulic cylinder 12, wherein the pulling rope 13 is sequentially connected with the discharging furnace door 9, the first pulley 10, the second pulley 11 and the hydraulic rod 14. The hydraulic rod 14 slides rightwards to drive the first pulley 10 to rotate clockwise and the second pulley 11 to rotate anticlockwise, the discharging furnace door 9 slides rightwards, and the scrap steel in the preheating furnace body 1 falls into the funnel mechanism 15. On the contrary, when the discharging furnace door 9 needs to be closed, the discharging furnace door traction mechanism on the left side of the discharging furnace door 9 draws the discharging furnace door 9 leftwards.
Grab into the slide of feeding through the grab bucket with the scrap steel, the furnace gate hoist mechanism that feeds simultaneously starts, and the control furnace gate that feeds opens, and the scrap steel relies on self gravity landing to the preheating furnace internally along the slide of feeding, then the furnace gate that feeds closes, guarantees the interior temperature of device, reduces calorific loss. When the scrap steel is heated to 1000 ℃ in the preheating furnace body, the single-side discharging furnace door traction mechanism is started to control the opening of the discharging furnace door, and the heated scrap steel enters the hopper mechanism and enters the subsequent procedures.
Claims (3)
1. A novel scrap steel preheating device comprises a preheating furnace body, wherein a funnel structure is arranged below the preheating furnace body, and a vibration discharging device is arranged below the funnel structure; an inclined charging slideway is arranged on the outer side of the preheating furnace body, the top of the charging slideway is a scrap steel inlet, and the bottom of the charging slideway is communicated with a feeding hole; a discharging furnace door is arranged below the preheating furnace body and above the funnel structure, the discharging furnace door is tightly attached to the bottom of the preheating furnace body, sliding rails are arranged on two sides of the discharging furnace door, and two edges of the discharging furnace door are respectively arranged in the sliding rails on the two sides; the two ends of the discharging furnace door are respectively connected with a discharging furnace door traction mechanism, and the discharging furnace door traction mechanism can push the discharging furnace door to slide along the sliding track.
2. The novel scrap steel preheating device according to claim 1, wherein the charging furnace door lifting mechanism comprises a hydraulic rod, an upper pulley, a lower pulley and a transmission rope; the transmission rope is sequentially connected with the charging furnace door, the upper pulley, the lower pulley and the hydraulic cylinder, and the hydraulic cylinder moves upwards to enable the charging furnace door to move upwards.
3. The novel scrap steel preheating device according to claim 1, wherein the discharging furnace door drawing mechanism comprises a hydraulic rod, a first pulley, a second pulley and a transmission rope, the transmission rope is sequentially connected with the discharging furnace door, the first pulley, the second pulley and the hydraulic rod, and the discharging furnace door can be drawn by contraction of the hydraulic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020983836.9U CN212320430U (en) | 2020-06-02 | 2020-06-02 | Novel scrap steel preheats device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020983836.9U CN212320430U (en) | 2020-06-02 | 2020-06-02 | Novel scrap steel preheats device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212320430U true CN212320430U (en) | 2021-01-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020983836.9U Active CN212320430U (en) | 2020-06-02 | 2020-06-02 | Novel scrap steel preheats device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212320430U (en) |
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2020
- 2020-06-02 CN CN202020983836.9U patent/CN212320430U/en active Active
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