CN104457298B - Reciprocating continuous feeding device for scrap steel preheating kiln - Google Patents
Reciprocating continuous feeding device for scrap steel preheating kiln Download PDFInfo
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- CN104457298B CN104457298B CN201410728363.7A CN201410728363A CN104457298B CN 104457298 B CN104457298 B CN 104457298B CN 201410728363 A CN201410728363 A CN 201410728363A CN 104457298 B CN104457298 B CN 104457298B
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- Prior art keywords
- reciprocating
- scrap steel
- kiln
- continuous feeding
- steel preheating
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 54
- 239000010959 steel Substances 0.000 title claims abstract description 54
- 239000000779 smoke Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000000391 smoking effect Effects 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 20
- 239000003546 flue gas Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000003723 Smelting Methods 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The invention relates to a continuous feeding device of a reciprocating type scrap steel preheating kiln, which comprises a fixed rack (1), wherein a reciprocating rack (3) is arranged on the fixed rack (1), a scrap steel heating kiln (4) is arranged on the reciprocating rack (3), the scrap steel heating kiln (4) comprises a box-type kiln body (5), a smoke inlet (17) and a smoke outlet (15) are arranged at the front end of the box-type kiln body (5), a feed inlet (13) and a smoke extraction port (19) are arranged at the rear end of the box-type kiln body (5), a heat exchange grid inclined plate (12) is arranged in the box-type kiln body (5), and two ends of the heat exchange grid inclined plate (12) are respectively connected with the feed inlet (13) and the smoke outlet (15). The continuous feeding device of the reciprocating type scrap steel preheating kiln can enable high-temperature flue gas to penetrate through scrap steel, so that the high-temperature flue gas and the scrap steel have larger contact area in the preheating process, the heat absorption effect of the scrap steel on the high-temperature flue gas is greatly improved, and the energy consumption for smelting the steel is reduced.
Description
Technical field
The present invention relates to a kind of scrap steel preheating process equipment making steel intermediate frequency furnace or electric furnace arrangement for producing steel, be specifically related to a kind of reciprocating scrap steel preheating kiln continuous feeding making steel intermediate frequency furnace or electric furnace arrangement for producing steel, belong to technical field of metallurgical equipment.
Background technology
Scrap steel preheating continuous feeding, is that a kind of high-temperature flue gas utilizing steel to produce in smelting is to the feeding device in the molten bath that the steel material entering stove carries out heating continuous print addition steel.Common are for electric arc furnace scrap steel preheating continuous feeding, there is UTILIZATION OF VESIDUAL HEAT IN, energy-saving and cost-reducing advantage.Scrap steel preheating continuous feeding for intermediate frequency furnace remains blank so far.
Being presently used for electric arc furnace scrap steel preheating continuous feeding is to be provided with by the mechanical shock source of motor-driven with an afterbody, and middle part is closed, and there is the feeding gallery of discharging opening end.The bottom of gallery is the steel scrap bed of material, and its top is high-temperature flue gas layer.The high-temperature flue gas on top enters from the one end on gallery top under the effect of air-introduced machine gravitation, and the other end is extracted out；The steel scrap bed of material of bottom is moved to discharging opening by the afterbody of gallery under the effect of focus shaking force, and the direction of motion of flue gas is contrary with the direction of motion of the steel scrap bed of material.It is in the steel material above the bed of material in the process be heated and be admitted to molten bath.Scrap steel trough in gallery is for being horizontally disposed with.
The place of its Shortcomings is, because the proportion of high-temperature flue gas is less than the proportion of steel material, therefore flue gas to the heat effect of steel material mainly by heat radiation, therefore the bed of material upper, middle and lower portion temperature difference is relatively big, and bottom is the most still cold burden, and flue gas is poor to the heat exchange effect of steel material.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, a kind of reciprocating scrap steel preheating kiln continuous feeding is provided, it can make high-temperature flue gas penetrate steel scrap, high-temperature flue gas is made to have large contact area with steel scrap during preheating, make steel scrap that the heat absorption effect of high-temperature flue gas to be increased substantially, thus reduce the smelting energy consumption of steel.And the reduction of flue-gas temperature, the effect making again later stage flue-gas dust removal and purification process discharge improves, thus reduces the energy consumption of dust-removing process, promotes the energy-saving and emission-reduction of process for making.
The object of the present invention is achieved like this: a kind of reciprocating scrap steel preheating kiln continuous feeding, it includes fixed frame and reciprocating mechanism, described reciprocating mechanism includes moving back and forth frame and scrap heating kiln, described reciprocating motion erecting is placed on fixed frame, and described scrap heating kiln is arranged in reciprocating motion frame；
Described scrap heating kiln includes box kiln body, described box kiln body front end is provided with smoke inlet and discharging opening, described smoke inlet is positioned at above discharging opening, described box kiln body rear end is provided with charging aperture and smoking mouth, described charging aperture is positioned at above smoking mouth, being provided with heat exchange grid swash plate in described box kiln body, described heat exchange grid swash plate two ends are connected with charging aperture and discharging opening respectively.
Described heat exchange grid swash plate includes the flat board of the dip-parallel layout of polylith, is connected by polylith ramp between previous flat back with a rear flat board front end.
The left and right sides, described fixed frame top is provided with reciprocating orbital, and bottom described reciprocating motion frame, the left and right sides is provided with roll wheel assembly, and described roll wheel assembly is arranged on reciprocating orbital.
Being provided with rear support on described fixed frame, described reciprocating motion frame is provided with front bearing, is provided with oil cylinder between described front bearing and rear support, the tailpiece of the piston rod of described oil cylinder and rear end of the cylinder block are hinged with front bearing and rear support respectively.
It is provided with charging aperture gas labyrinth assembly between described charging aperture and box kiln body, between described discharging opening and box kiln body, is provided with discharging opening gas labyrinth assembly.
Being provided with flaring mouth on described smoke inlet, described flaring mouth is positioned at box kiln body.
Being provided with multiple ash bucket bottom described reciprocating motion frame, described hopper bottom is provided with normally closed type ash hole assembly.
Described ramp includes that parallel-segment and slope section, the tilting section of described ramp are positioned at the front side of a rear flat board.
Described flat plate bottom is evenly arranged with polylith slope gusset.
Bottom described reciprocating motion frame, the left and right sides is additionally provided with anti-drop assembly.
Compared with prior art, the method have the advantages that
A kind of reciprocating scrap steel preheating kiln continuous feeding of the present invention, it can make high-temperature flue gas penetrate the steel scrap bed of material, make high-temperature flue gas have large contact area with steel scrap during preheating, make steel scrap that the heat absorption effect of high-temperature flue gas to be increased substantially, thus reduce the smelting energy consumption of steel.And the reduction of flue-gas temperature, the cost making again later stage flue-gas dust removal and purification process discharge reduces effect and improves, thus reduce the energy consumption of dust-removing process, promotes the energy-saving and emission-reduction of process for making.
Accompanying drawing explanation
Fig. 1, Fig. 2 are the structural representation of a kind of reciprocating scrap steel preheating kiln continuous feeding of the present invention, and Fig. 1 is the A-A sectional view of Fig. 2.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the structural representation of reciprocating mechanism in Fig. 1.
Fig. 5 is the right view of Fig. 4.
Fig. 6 is the B-B sectional view of Fig. 4.
Fig. 7 is the structural representation of fixed frame in Fig. 1.
Fig. 8 is the top view of Fig. 7.
Fig. 9 is the structural representation of heat exchange grid swash plate in Fig. 1.
Figure 10 is the left view of Fig. 9.
Figure 11 is the top view of Fig. 9.
Figure 12 is the I portion enlarged drawing of Fig. 1.
Figure 13 is the II portion enlarged drawing of Fig. 1.
Figure 14 is the III portion enlarged drawing of Fig. 5.
Figure 15 is the IV portion enlarged drawing of Fig. 9.
Figure 16 is the V portion enlarged drawing of Figure 10.
Wherein:
Fixed frame 1
Reciprocating mechanism 2
Move back and forth frame 3
Scrap heating kiln 4
Box kiln body 5
Roll wheel assembly 6
Reciprocating orbital 7
Oil cylinder 8
Front bearing 9
Rear support 10
Anti-drop assembly 11
Heat exchange grid swash plate 12
Flat board 12.1
Ramp 12.2
Slope gusset 12.3
Charging aperture 13
Charging aperture gas labyrinth assembly 14
Discharging opening 15
Discharging opening gas labyrinth assembly 16
Smoke inlet 17
Flaring mouth 18
Smoking mouth 19
Ash bucket 20
Normally closed type ash hole assembly 21.
Detailed description of the invention
See Fig. 1 ~ Figure 16, a kind of reciprocating scrap steel preheating kiln continuous feeding of the present invention, it includes fixed frame 1 and reciprocating mechanism 2, described reciprocating mechanism 2 includes moving back and forth frame 3 and scrap heating kiln 4, described reciprocating motion frame 3 is arranged on fixed frame 1, and described scrap heating kiln 4 is arranged in reciprocating motion frame 3；
Described scrap heating kiln 4 includes box kiln body 5, described box kiln body 5 front end is provided with smoke inlet 17 and discharging opening 15, described smoke inlet 17 is positioned at above discharging opening 15, described box kiln body 5 rear end is provided with charging aperture 13 and smoking mouth 19, described charging aperture 13 is positioned at above smoking mouth 19, being provided with heat exchange grid swash plate 12 in described box kiln body 5, described heat exchange grid swash plate 12 two ends are connected with charging aperture 13 and discharging opening 15 respectively；
Charging aperture gas labyrinth assembly 14 it is provided with between described charging aperture 13 and box kiln body 5；
Discharging opening gas labyrinth assembly 16 it is provided with between described discharging opening 15 and box kiln body 5；
Being provided with on described smoke inlet 17 and be transitioned into cone shape flaring mouth 18 by cylinder, described flaring mouth 18 is positioned at box kiln body 5；
The left and right sides, described fixed frame 1 top is provided with reciprocating orbital 7, bottom described reciprocating motion frame 3, the left and right sides is provided with roll wheel assembly 6, described roll wheel assembly 6 is arranged on reciprocating orbital 7, and bottom described reciprocating motion frame 3, the left and right sides is additionally provided with anti-drop assembly 11；
It is provided with multiple ash bucket 20 bottom described reciprocating motion frame 3, bottom described ash bucket 20, is provided with normally closed type ash hole assembly 21；
Being provided with rear support 10 on described fixed frame 1, described reciprocating motion frame 3 is provided with front bearing 9, is provided with oil cylinder 8 between described front bearing 9 and rear support 10, the tailpiece of the piston rod of described oil cylinder 8 and rear end of the cylinder block are hinged with front bearing 9 and rear support 10 respectively；
Described heat exchange grid swash plate 12 includes the flat board 12.1 of the dip-parallel layout of polylith, it is connected by polylith ramp 12.2 between previous flat board 12.1 rear end with rear flat board 12.1 front end, described ramp 12.2 includes parallel-segment and slope section, the tilting section of described ramp 12.2 is positioned at the front side of a rear flat board 12.1, material this tilting section when previous flat board fallen by a rear flat board can play certain cushioning effect, described flat board 12.1 bottom even is provided with polylith slope gusset 12.3, it is possible to flat board intensity is played booster action.
Claims (10)
1. a reciprocating scrap steel preheating kiln continuous feeding, it is characterized in that: it includes fixed frame (1) and reciprocating mechanism (2), described reciprocating mechanism (2) includes moving back and forth frame (3) and scrap heating kiln (4), described reciprocating motion frame (3) is arranged on fixed frame (1), and described scrap heating kiln (4) is arranged in reciprocating motion frame (3)；
Described scrap heating kiln (4) includes box kiln body (5), described box kiln body (5) front end is provided with smoke inlet (17) and discharging opening (15), described smoke inlet (17) is positioned at discharging opening (15) top, described box kiln body (5) rear end is provided with charging aperture (13) and smoking mouth (19), described charging aperture (13) is positioned at smoking mouth (19) top, being provided with heat exchange grid swash plate (12) in described box kiln body (5), described heat exchange grid swash plate (12) two ends are connected with charging aperture (13) and discharging opening (15) respectively.
One the most according to claim 1 reciprocating scrap steel preheating kiln continuous feeding, it is characterized in that: described heat exchange grid swash plate (12) includes the flat board (12.1) of the dip-parallel layout of polylith, be connected by polylith ramp (12.2) between previous flat board (12.1) rear end with a rear flat board (12.1) front end.
One the most according to claim 1 reciprocating scrap steel preheating kiln continuous feeding, it is characterized in that: described fixed frame (1) left and right sides, top is provided with reciprocating orbital (7), the left and right sides, described reciprocating motion frame (3) bottom is provided with roll wheel assembly (6), and described roll wheel assembly (6) is arranged on reciprocating orbital (7).
One the most according to claim 1 reciprocating scrap steel preheating kiln continuous feeding, it is characterized in that: on described fixed frame (1), be provided with rear support (10), it is provided with front bearing (9) on described reciprocating motion frame (3), being provided with oil cylinder (8) between described front bearing (9) and rear support (10), the tailpiece of the piston rod of described oil cylinder (8) and rear end of the cylinder block are hinged with front bearing (9) and rear support (10) respectively.
One the most according to claim 1 reciprocating scrap steel preheating kiln continuous feeding, it is characterized in that: be provided with charging aperture gas labyrinth assembly (14) between described charging aperture (13) and box kiln body (5), between described discharging opening (15) and box kiln body (5), be provided with discharging opening gas labyrinth assembly (16).
One the most according to claim 1 reciprocating scrap steel preheating kiln continuous feeding, it is characterised in that: being provided with flaring mouth (18) on described smoke inlet (17), described flaring mouth (18) is positioned at box kiln body (5).
One the most according to claim 1 reciprocating scrap steel preheating kiln continuous feeding, it is characterised in that: described reciprocating motion frame (3) bottom is provided with multiple ash bucket (20), and described ash bucket (20) bottom is provided with normally closed type ash hole assembly (21).
One the most according to claim 2 reciprocating scrap steel preheating kiln continuous feeding, it is characterised in that: described ramp (12.2) includes that parallel-segment and slope section, the tilting section of described ramp (12.2) are positioned at the front side of a rear flat board (12.1).
One the most according to claim 2 reciprocating scrap steel preheating kiln continuous feeding, it is characterised in that: described flat board (12.1) bottom even is provided with polylith slope gusset (12.3).
One the most according to claim 3 reciprocating scrap steel preheating kiln continuous feeding, it is characterised in that: the left and right sides, described reciprocating motion frame (3) bottom is additionally provided with anti-drop assembly (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410728363.7A CN104457298B (en) | 2014-12-04 | 2014-12-04 | Reciprocating continuous feeding device for scrap steel preheating kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410728363.7A CN104457298B (en) | 2014-12-04 | 2014-12-04 | Reciprocating continuous feeding device for scrap steel preheating kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104457298A CN104457298A (en) | 2015-03-25 |
| CN104457298B true CN104457298B (en) | 2016-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410728363.7A Active CN104457298B (en) | 2014-12-04 | 2014-12-04 | Reciprocating continuous feeding device for scrap steel preheating kiln |
Country Status (1)
| Country | Link |
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| CN (1) | CN104457298B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87210154U (en) * | 1987-07-15 | 1988-06-15 | 中国农业工程研究设计院 | Reciprocating vibrator type continuous drying machine |
| JPH07190629A (en) * | 1993-04-15 | 1995-07-28 | Ishikawajima Harima Heavy Ind Co Ltd | Scrap material preheating and charging device |
| DE102004039551B8 (en) * | 2004-08-13 | 2008-07-24 | Rheinkalk Gmbh | Method for improving the heat exchange of a gas flow in a bulk material |
| CN101876501B (en) * | 2009-12-03 | 2011-12-28 | 中电投蒙东能源集团有限责任公司 | Material concurrent flow and jigging drying device and process |
| CN204301538U (en) * | 2014-12-04 | 2015-04-29 | 江苏盛凯环保工程有限公司 | Reciprocating continuous feeding device for scrap steel preheating kiln |
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2014
- 2014-12-04 CN CN201410728363.7A patent/CN104457298B/en active Active
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| CN104457298A (en) | 2015-03-25 |
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Effective date of registration: 20190203 Address after: 214445 No. 1 Huangtuxi Village Road, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Langrun Environmental Protection Technology Co., Ltd. Address before: 214445 No. 1 Xicun Road, Huangtu Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: JIANGSU SHENGKAI ENVIRONMENTAL PROTECTION ENGINEERING CO., LTD. |