CN104457298A - Reciprocation-type continuous feeding device of waste steel preheating kiln - Google Patents
Reciprocation-type continuous feeding device of waste steel preheating kiln Download PDFInfo
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- CN104457298A CN104457298A CN201410728363.7A CN201410728363A CN104457298A CN 104457298 A CN104457298 A CN 104457298A CN 201410728363 A CN201410728363 A CN 201410728363A CN 104457298 A CN104457298 A CN 104457298A
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- reciprocating
- kiln
- continuous feeding
- steel preheating
- scrap steel
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Abstract
The invention relates to a reciprocation-type continuous feeding device of a waste steel preheating kiln. The reciprocation type continuous feeding device comprises a fixing rack (1), wherein a reciprocation movement rack (3) is arranged on the fixing rack (1); a waste steel heating kiln (4) is arranged on the reciprocation movement rack (3); the waste steel heating kiln (4) comprises a box type kiln body (5); a fume inlet (17) and a discharge hole (15) are formed in the front end of the box type kiln body (5); a feeding opening (13) and a fume outlet (19) are formed in the rear end of the box type kiln body (5); a heat exchange grid inclined plate (12) is arranged inside the box type kiln body (5); the two ends of the heat exchange grid inclined plate (12) are respectively connected with the feeding hole (13) and a discharge hole (15). By adopting the reciprocation-type continuous feeding device of the waste steel preheating kiln, high-temperature fume can penetrate through waste steel and has a relatively large contact area with the waste steel in the preheating process, so that the heat absorption efficiency of the waste steel on the high-temperature fume is greatly improved, and the smelting energy consumption of the waste steel is reduced.
Description
Technical field
The present invention relates to a kind of scrap steel preheating process equipment of making steel intermediate frequency furnace or electric furnace arrangement for producing steel, specifically relate to a kind of reciprocating scrap steel preheating kiln continuous feeding of 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 adds the feeding device in the molten bath of steel to carrying out the steel material entering stove to heat also continuous print.Common are for electric arc furnaces 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.
At present, be provided with an afterbody mechanical shock source driven by motor for electric arc furnaces scrap steel preheating continuous feeding, 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.The steel material be in the process above the bed of material is heated and is admitted to molten bath.Scrap steel trough in gallery is for being horizontally disposed with.
The place of its Shortcomings is, the proportion because of high-temperature flue gas is less than the proportion of steel material, therefore flue gas mainly leans on heat radiation to the heat effect of steel material, therefore the bed of material upper, middle and lower portion temperature difference is comparatively large, and bottom is still almost cold burden, and the heat exchange effect of flue gas to steel material is poor.
Summary of the invention
The object of the invention is 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, make high-temperature flue gas and steel scrap in the process of preheating, have comparatively large contact surface to amass, the heat absorption effect of steel scrap to high-temperature flue gas is increased substantially, thus reduces the smelting energy consumption of steel.And the reduction of flue-gas temperature, makes again the effect of later stage flue-gas dust removal and purification process discharge improve, thus reduces the energy consumption of dust-removing process, promote 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 comprises fixed frame and reciprocating structure, described reciprocating mechanism comprises reciprocating motion frame and scrap heating kiln, described reciprocating motion erecting is placed on fixed frame, and described scrap heating kiln is arranged at and moves back and forth in frame;
Described scrap heating kiln comprises box kiln body, described box kiln body front end is provided with into mouth and discharging opening, described enter mouth be 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, be provided with heat exchange grid swash plate in described box kiln body, described heat exchange grid swash plate two ends are connected with discharging opening with charging aperture respectively.
Described heat exchange grid swash plate comprises the flat board of the dip-parallel layout of polylith, is connected between last flat back with a rear dull and stereotyped front end by polylith ramp.
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.
Described fixed frame is provided with rear support, described reciprocating motion frame is provided with front bearing, be 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.
Be provided with charging aperture gas labyrinth assembly between described charging aperture and box kiln body, between described discharging opening and box kiln body, be provided with discharging opening gas labyrinth assembly.
Describedly enter mouth is provided with flaring mouth, described flaring mouth is positioned at box kiln body.
Be provided with multiple ash bucket bottom described reciprocating motion frame, described hopper bottom is provided with normally closed type ash hole assembly.
Described ramp comprises parallel-segment and slope section, and the tilting section of described ramp is positioned at the front side of a rear flat board.
Described flat plate bottom is evenly provided with polylith slope gusset.
Bottom described reciprocating motion frame, the left and right sides is also provided with anti-drop assembly.
Compared with prior art, the present invention has following beneficial effect:
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 and steel scrap in the process of preheating, have comparatively large contact surface to amass, the heat absorption effect of steel scrap to high-temperature flue gas is increased substantially, thus reduce the smelting energy consumption of steel.And the reduction of flue-gas temperature, makes again the cost of later stage flue-gas dust removal and purification process discharge reduce effect and improves, thus reduce the energy consumption of dust-removing process, promote 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 structure 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
Dull and stereotyped 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
Enter mouth 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 comprises fixed frame 1 and reciprocating structure 2, described reciprocating mechanism 2 comprises reciprocating motion 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 at and moves back and forth in frame 3;
Described scrap heating kiln 4 comprises box kiln body 5, described box kiln body 5 front end is provided with into mouth 17 and discharging opening 15, described enter mouth 17 be 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, be 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 discharging opening 15 with charging aperture 13 respectively;
Charging aperture gas labyrinth assembly 14 is provided with between described charging aperture 13 and box kiln body 5;
Discharging opening gas labyrinth assembly 16 is provided with between described discharging opening 15 and box kiln body 5;
Described enter mouth 17 is provided 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 also provided with anti-drop assembly 11;
Be provided with multiple ash bucket 20 bottom described reciprocating motion frame 3, bottom described ash bucket 20, be provided with normally closed type ash hole assembly 21;
Described fixed frame 1 is provided with rear support 10, described reciprocating motion frame 3 is provided with front bearing 9, be provided with oil cylinder 8 between described front bearing 9 and rear support 19, 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 comprises the flat board 12.1 of the dip-parallel layout of polylith, be connected by polylith ramp 12.2 between last dull and stereotyped 12.1 rear ends with rear dull and stereotyped 12.1 front ends, described ramp 12.2 comprises 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, when material falls last flat board from a rear flat board, this tilting section can play certain cushioning effect, described dull and stereotyped 12.1 bottom evens are provided with polylith slope gusset 12.3, can play booster action to dull and stereotyped intensity.
Claims (10)
1. a reciprocating scrap steel preheating kiln continuous feeding, it is characterized in that: it comprises fixed frame (1) and reciprocating structure (2), described reciprocating mechanism (2) comprises reciprocating motion 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 at and moves back and forth in frame (3);
Described scrap heating kiln (4) comprises box kiln body (5), described box kiln body (5) front end is provided with into mouth (17) and discharging opening (15), described enter mouth (17) be 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, be 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 discharging opening (15) with charging aperture (13) respectively.
2. one according to claim 1 reciprocating scrap steel preheating kiln continuous feeding, it is characterized in that: described heat exchange grid swash plate (12) comprises the flat board (12.1) of the dip-parallel layout of polylith, be connected by polylith ramp (12.2) between last flat board (12.1) rear end with a rear flat board (12.1) front end.
3. one 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).
4. one according to claim 1 reciprocating scrap steel preheating kiln continuous feeding, it is characterized in that: described fixed frame (1) is provided with rear support (10), described reciprocating motion frame (3) is provided with front bearing (9), be provided with oil cylinder (8) between described front bearing (9) and rear support (19), 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.
5. one according to claim 1 reciprocating scrap steel preheating kiln continuous feeding, it is characterized in that: between described charging aperture (13) and box kiln body (5), be provided with charging aperture gas labyrinth assembly (14), between described discharging opening (15) and box kiln body (5), be provided with discharging opening gas labyrinth assembly (16).
6. one according to claim 1 reciprocating scrap steel preheating kiln continuous feeding, is characterized in that: described in enter on mouth (17) to be provided with flaring mouth (18), described flaring mouth (18) is positioned at box kiln body (5).
7. one according to claim 1 reciprocating scrap steel preheating kiln continuous feeding, it is characterized 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).
8. one according to claim 2 reciprocating scrap steel preheating kiln continuous feeding, is characterized in that: described ramp (12.2) comprises parallel-segment and slope section, and the tilting section of described ramp (12.2) is positioned at the front side of a rear flat board (12.1).
9. one according to claim 2 reciprocating scrap steel preheating kiln continuous feeding, is characterized in that: described flat board (12.1) bottom even is provided with polylith slope gusset (12.3).
10. one according to claim 3 reciprocating scrap steel preheating kiln continuous feeding, is characterized in that: the left and right sides, described reciprocating motion frame (3) bottom is also 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 |
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| CN104457298A true CN104457298A (en) | 2015-03-25 |
| CN104457298B CN104457298B (en) | 2016-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410728363.7A Active CN104457298B (en) | 2014-12-04 | 2014-12-04 | Reciprocating continuous feeding device for scrap steel preheating kiln |
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Citations (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 |
| CN1091871C (en) * | 1993-04-15 | 2002-10-02 | 石川岛播磨重工业株式会社 | Apparatus for preheating and supplying scraps |
| WO2006018252A1 (en) * | 2004-08-13 | 2006-02-23 | Rheinkalk Gmbh | Method for extending the residence time of a gas flow in bulk material |
| CN101876501A (en) * | 2009-12-03 | 2010-11-03 | 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 |
-
2014
- 2014-12-04 CN CN201410728363.7A patent/CN104457298B/en active Active
Patent Citations (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 |
| CN1091871C (en) * | 1993-04-15 | 2002-10-02 | 石川岛播磨重工业株式会社 | Apparatus for preheating and supplying scraps |
| WO2006018252A1 (en) * | 2004-08-13 | 2006-02-23 | Rheinkalk Gmbh | Method for extending the residence time of a gas flow in bulk material |
| CN101876501A (en) * | 2009-12-03 | 2010-11-03 | 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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| Publication number | Publication date |
|---|---|
| CN104457298B (en) | 2016-11-02 |
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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. |